CN102940491A - Sleep and breath preliminary screening instrument with timing power-on function and power-saving method - Google Patents

Sleep and breath preliminary screening instrument with timing power-on function and power-saving method Download PDF

Info

Publication number
CN102940491A
CN102940491A CN2012104772098A CN201210477209A CN102940491A CN 102940491 A CN102940491 A CN 102940491A CN 2012104772098 A CN2012104772098 A CN 2012104772098A CN 201210477209 A CN201210477209 A CN 201210477209A CN 102940491 A CN102940491 A CN 102940491A
Authority
CN
China
Prior art keywords
circuit
power
nand gate
processing unit
central processing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN2012104772098A
Other languages
Chinese (zh)
Other versions
CN102940491B (en
Inventor
胡坤
许云龙
邵秀凤
贺婷婷
熊学华
杨吉涛
李金�
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kangtai medical system (Qinhuangdao) Limited by Share Ltd
Original Assignee
Contec Medical Systems Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Contec Medical Systems Co Ltd filed Critical Contec Medical Systems Co Ltd
Priority to CN201210477209.8A priority Critical patent/CN102940491B/en
Publication of CN102940491A publication Critical patent/CN102940491A/en
Application granted granted Critical
Publication of CN102940491B publication Critical patent/CN102940491B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Abstract

The invention relates to a sleep and breath preliminary screening instrument with a timing power-on function and a power-saving method. The instrument comprises a casing wearing on the wrist, a display and control buttons are arranged on the casing, a nose airflow signal input interface and a blood oxygen signal input interface are arranged on the side wall of the casing respectively, and a control analysis circuit is fixed in the casing. According to the instrument, the timing power-on is achieved under a state that the circuit is completely out of power, cruising time of a battery is guaranteed, the power-on can be identified automatically, the effectiveness of the power-on state can be determined, and ordered carrying out of manual power-on and timing power-on can be achieved. The instrument is in a power-saving mode during storage, the working current is smaller than 30mA, the instrument can perform data storage as long as 20 hours, and the screen is in a blank screen state during the power-saving mode, so that the visual trouble caused by bright screen of the instrument during sleep of a patient can be avoided.

Description

Sleep-respiratory primary dcreening operation instrument and power-saving working method with timing start-up function
Technical field
The invention belongs to medical Instrument field, relate in particular to a kind of sleep-respiratory primary dcreening operation instrument and power-saving working method with timing start-up function, this primary dcreening operation instrument is attached to one with sleep-respiratory test function and blood oxygen test function, and the automatic recognition start-up state of instrument meeting is judged the effectiveness of timing start-up, accomplishes the orderly execution of manually start and timing start-up.
Background technology
Along with the quickening of modern life rhythm and the change of life style, various sleep disordered illness day by day become an outstanding medical treatment and public health problem and obtain people's concern.According to the world sleep classification of diseases of publication in 2005, sleep disease external or that intrinsic factor cause reaches more than 90 plants, and wherein the most common person is all very high such as insomnia, the prevalence of sleep apnea syndrome in compatriots.Some rare Sleep Disorders such as narcolepsy etc. also are familiar with gradually.
Present sleep detection product is mainly PSG, and profile is larger, and external to lead continued proportion more, wears inconvenience, and the operation more complicated is more suitable for serious symptom and breathes the patient and use in hospital.But because the patient at initial stage is not ready, even the unexpected hospital that goes goes to check, wish very much to carry out primary dcreening operation at home, but this product must possess power saving, easy to operate, therefore, up to the present, also do not have aly to wear conveniently, simple to operate, be suitable for the sleep primary dcreening operation instrument that the ordinary people wears at home and occur in market.
Summary of the invention
The objective of the invention is a kind of sleep-respiratory primary dcreening operation instrument and the power-saving working method technical scheme with timing start-up function for the problems referred to above proposition, this primary dcreening operation instrument is attached to one with sleep-respiratory test function and blood oxygen test function, and the automatic recognition start-up state of instrument meeting is judged the effectiveness of timing start-up, accomplishes the orderly execution of manually start and timing start-up.
To achieve these goals, technical scheme of the present invention is:
Sleep-respiratory primary dcreening operation instrument with timing start-up function, comprise a housing that is used for being worn on the wrist, housing is provided with display screen and control button, be respectively arranged with nose airflow signal input interface and blood oxygen signal input interface in housing sidewall, in housing, be fixed with the control analysis circuit, described control analysis circuit comprises MCU central processing unit and battery supply, and the circuit that connects respectively setting around the MCU central processing unit comprises nose air-flow test circuit, blood oxygen test circuit, display circuit, TF storage card circuit, power control circuit and USB card reading circuit; Wherein, described power control circuit comprises power-on circuit and with the clock chip of interrupt output, described power-on circuit is provided with a plurality of control ends, described a plurality of control end comprises an electric power starting keyed end that is connected with the MCU central processing unit, a judgement end that takes a decision as to whether time opening that is connected with the MCU central processing unit, a time opening control end that is connected with the clock chip interrupt output, the data terminal of described clock chip connects the MCU central processing unit, and described clock chip connects battery supply all the time.
Described battery supply provides power supply by power-on circuit for MCU central processing unit, nose air-flow test circuit, blood oxygen test circuit, display circuit, TF storage card circuit, USB card reading circuit, described battery supply is connected without breakpoint with clock chip, is always clock chip uninterrupted power source is provided.
Described power-on circuit comprises four dual input NAND gate circuits, key switch, the first field effect transistor and the second field effect transistor, described four dual input NAND gate circuits are respectively the first NAND gate, the second NAND gate, the 3rd NAND gate and the 4th NAND gate, described the first NAND gate output connects respectively the dual input of the 3rd NAND gate and an input of the 4th NAND gate, an input of described the first NAND gate is connected with the output of the 4th NAND gate, another input of described the first NAND gate is connected with the output of the second NAND gate, the dual input parallel connection of the second NAND gate is connected to power cathode by the first resistance, another input of described the 4th NAND gate is connected to the battery supply negative pole by the second resistance, the output of described the 3rd NAND gate connects the first field effect transistor control grid, the positive pole of battery supply connects the first field effect transistor source electrode, the drain electrode of the first field effect transistor is power supply output, and another input of described the 4th NAND gate is connected with the MCU central processing unit as described electric power starting keyed end; The input of described key switch connects the positive pole of battery supply, the outfan of key switch connects the dual input of the second NAND gate, the dual input of described the second NAND gate connects a diode cathode simultaneously, be connected two divider resistances between the drain electrode of described the second field effect transistor and the battery supply negative pole, the positive pole of battery supply connects the second field effect transistor source electrode, the positive pole of described diode is connected in the middle of described two divider resistances, in the middle of described two divider resistances as described whether be that the judgement end of time opening is connected with the MCU central processing unit, the control grid of described the second field effect transistor is connected with the clock chip interrupt output as described time opening control end.
Infrared light driving and infrared signal receiving circuit that described blood oxygen test circuit comprises microprocessor and is attached thereto, described infrared signal receiving circuit is connected with described blood oxygen signal input interface, and the infrared signal after described microprocessor will be processed is passed to the MCU central processing unit by serial interface circuit.
Described nose air-flow test circuit nose pneumatic sensor adopts the bridge-type baroceptor, described sensor balanced input termination has entered a constant-current source circuit, the outfan of sensor connects a differential amplifier circuit, the output of differential amplifier circuit connects filter amplification circuit, and the output of filter amplification circuit connects the A/D conversion input of MCU central processing unit.
The model of described bridge-type baroceptor is MPS-2107-006GRC, described constant-current source circuit includes an operational amplifier, the positive pole input of operational amplifier is connected between two divider resistances, the negative pole of operational amplifier is input between the simulation ground and takes back road resistance, and constant-current source circuit provides the continuous current of a 0.54mA for the bridge-type baroceptor.
Sleep-respiratory primary dcreening operation instrument power-saving working method: the method is based on above-mentioned method with sleep-respiratory primary dcreening operation instrument of timing start-up function, comprises start step and blank screen treatment step;
Described start step is:
A. by the power control circuit energized;
B. electric power starting locking signal of central processing unit output keeps power connection to power control circuit;
C. central processing unit detects whether power control circuit is the judgement end of time opening, is judgement manually to start shooting or timing start-up?
D. if manually start shooting, central processing unit enters normal mode of operation, enters the Real-Time Monitoring interface;
E. if timing start-up, central processing unit enters the storage interface, the MCU central processing unit reads data running time of setting from intervalometer, the beginning timing, when running time behind setup times, central processing unit is at first preserved case, and then one of central processing unit output is closed locking signal to the power control circuit power cutoff;
Described blank screen treatment step is: output blank screen signal was to display without button operation in 1 minute after carrying out memory command.
The beneficial effect that compared with the prior art the present invention produces is:
(1) timing start-up of the present invention is realized under the complete off-position of circuit, has guaranteed the cruise time of battery, and the effectiveness of the automatic recognition start-up state judgement of meeting timing start-up, accomplishes the orderly execution of manually start and timing start-up.
(2) the present invention adopts large capacity I F card to realize the multiple-case storage, and be more than 200 hour total memory time.Patient can preserve the case of different time sections, and distinguishes with the acquisition time name respectively, is convenient to analyze relatively PD trend.
(3) the present invention adopts low power dissipation design, instrument enters battery saving mode when storage, operating current is less than 30mA, and instrument can reach 20 hours data storage, and the battery saving mode sub-screen is in the blank screen state, solves the patient in bed because the vision that the instrument screen bright band comes puzzlement.
(4) the present invention can be uploaded to case fast the computer upper computer analyzing software or directly be saved in computer by the USB card-reading mode.Patient self does not need upper computer analyzing software just can send case history to the doctor in charge by network to diagnose, and accomplishes truly convenient.
Below in conjunction with accompanying drawing embodiment the present invention is made a detailed description.
Description of drawings
Fig. 1 is structural representation of the present invention;
Fig. 2 is control analysis electrical block diagram of the present invention;
Fig. 3 is power-on circuit sketch map of the present invention;
Fig. 4 is nose air-flow test circuit sketch map of the present invention.
The specific embodiment
Embodiment 1;
Referring to Fig. 1, a kind of storage sleep-respiratory primary dcreening operation instrument with timing start-up function, comprise that one is worn on housing 1 on the wrist by bracelet 1-1, housing is provided with display screen 1-2 and control button 1-3, be respectively arranged with nose airflow signal input interface 1-4 and blood oxygen signal input interface 1-5 in housing sidewall, in housing, be fixed with the control analysis circuit; Referring to Fig. 2, described control analysis circuit comprises MCU central processing unit 2 and battery supply 3, and the circuit that connects respectively setting around the MCU central processing unit comprises nose air-flow test circuit 4, blood oxygen test circuit 5, display circuit 6, TF storage card circuit 7, power control circuit 8 and the USB card reading circuit 10 that is connected with host computer 9 of being connected; Wherein, referring to Fig. 3, described power control circuit comprises power-on circuit and with the clock chip 8-1 of interrupt output, described power-on circuit is provided with a plurality of control ends, described a plurality of control end comprises an electric power starting keyed end 8-2 who is connected with the MCU central processing unit, judgement end 8-3 who takes a decision as to whether time opening who is connected with the MCU central processing unit, the time opening control end 8-4 that is connected with the clock chip interrupt output, the data terminal of described clock chip connects the MCU central processing unit, and described clock chip connects battery supply all the time.
Among the embodiment, the model of described MCU central processing unit is MSP430F249TPM, and the model of described clock chip is ISL1208U8Z-TK.
Still can realize time switch in order to be implemented in fully after the outage, described battery supply comprises main battery power supply 8-5 and auxiliary battery power supply 8-6, described main battery power supply is that described auxiliary battery power supply is to provide power supply for clock chip for MCU central processing unit, nose air-flow test circuit, blood oxygen test circuit, display circuit, TF storage card circuit, USB card reading circuit provide power supply.
The described battery supply of present embodiment is built-in lithium battery, described battery supply provides power supply by power-on circuit for MCU central processing unit, nose air-flow test circuit, blood oxygen test circuit, display circuit, TF storage card circuit, USB card reading circuit, described battery supply is connected without breakpoint with clock chip, be always clock chip uninterrupted power source is provided, the built-in lithium battery among the embodiment is equivalent to main battery power supply and auxiliary battery power supply are integrated.
Among the embodiment, described power-on circuit comprises four dual input NAND gate circuits, key switch 8-7, the first field effect transistor 8-8 and the second field effect transistor 8-9, described four dual input NAND gate circuits are respectively the first NAND gate 8-10, the second NAND gate 8-11, the 3rd NAND gate 8-12 and the 4th NAND gate 8-13, described the first NAND gate output connects respectively the dual input of the 3rd NAND gate and an input of the 4th NAND gate, an input of described the first NAND gate is connected with the output of the 4th NAND gate, another input of described the first NAND gate is connected with the output of the second NAND gate, the dual input parallel connection of the second NAND gate is connected to power cathode by the first resistance R 1, another input of described the 4th NAND gate is connected to the battery supply negative pole by the second resistance R 2, the output of described the 3rd NAND gate connects the first field effect transistor control grid G, the positive pole of battery supply connects the first field effect transistor source S, the first field effect transistor drain D is power supply output, and another input of described the 4th NAND gate is connected with the MCU central processing unit as described electric power starting keyed end; The input of described key switch connects the positive pole of battery supply, the outfan of key switch connects the dual input of the second NAND gate, the dual input of described the second NAND gate connects a diode D1 negative pole simultaneously, be connected two divider resistance R3 and R4 between described the second field effect transistor drain D and the battery supply negative pole, the positive pole of battery supply connects the second field effect transistor source S, the positive pole of described diode is connected in the middle of described two divider resistances, in the middle of described two divider resistances as described whether be that the judgement end of time opening is connected with the MCU central processing unit, the control grid G of described the second field effect transistor is connected with the clock chip interrupt output as described time opening control end.
Among the embodiment, in order to prevent the phase mutual interference, outfan at key switch is connected to two diodes of serial connection between the diode D1 negative pole, two diodes are respectively the second diode D2 and the 3rd diode D3, the negative pole of the second diode D2 connects the positive pole of the 3rd diode D3, the negative pole of the 3rd diode D3 connects diode D1 negative pole, the positive pole of the second diode D2 connects the output of key switch, and the positive pole of the negative pole of the second diode D2 and the 3rd diode D3 connects the battery supply negative pole by resistance R 5 simultaneously.
Among the embodiment, infrared light driving and infrared signal receiving circuit that described blood oxygen test circuit comprises microprocessor and is attached thereto; Wherein, infrared light drives and infrared signal receiving circuit is ripe common circuit, described described infrared signal receiving circuit is connected with described blood oxygen signal input interface, and the infrared signal after described microprocessor will be processed is passed to the MCU central processing unit by serial interface circuit.Blood oxygen test philosophy is to be foundation according to reduced hemoglobin, the absorption Spectrum characteristic of HbO2 Oxyhemoglobin in HONGGUANG and near infrared light zone, uses Lambert Beer law to set up the data empirical equation.The operation principle of this instrument is to adopt photoelectric blood oxygen detection technique to trace technology in conjunction with volume pulsation, HONGGUANG and infrared light with two bundle different wave lengths refer to formula sensor irradiation human body nail tip and obtain measuring-signal by light-sensitive element by the perspective folder respectively, the information of obtaining is sent to the reception that the MCU central processing unit carries out data after electronic circuit and microprocessor processes, the microprocessor model among the embodiment in the blood oxygen test circuit is MSP430F1232IPOW.
Described nose air-flow test circuit nose pneumatic sensor adopts bridge-type baroceptor 401, described sensor balanced input termination has entered a constant-current source circuit, the outfan of sensor connects a differential amplifier circuit 402, the output of differential amplifier circuit connects filter amplification circuit 403, the output of filter amplification circuit connects the A/D conversion input of MCU central processing unit, wherein, the model of described bridge-type baroceptor is MPS-2107-006GRC, described constant-current source circuit includes an operational amplifier 404, the positive pole input of operational amplifier is connected between two divider resistance R6 and the R7, the negative pole of operational amplifier is input between the simulation ground and takes back road resistance R 8, and constant-current source circuit provides the continuous current I of a 0.54mA for the bridge-type baroceptor.Described operational amplifier adopts TLC2254 and the little power consumption amplifier of TLC2252 low drift dual power supply chip.This circuit structure aggregation of data sensor sensitive and amplify requirement, obtain best airflow signal.
Above-described embodiment structure can realize the multiple-case memory function: adopt the FAT32 file system, by preserving agreement case history is stored, upper computer analyzing software is decoded to data to preserve agreement, analyzes.Present clock is read in each storage, and creates file with the present clock name.
Present embodiment adopts the peculiar inner super low-power consumption of MSP430 single-chip microcomputer, lower frequency oscillator to design, and can enter battery saving mode during storage, under battery saving mode, can close liquid crystal display screen, mode by SPI is carried out storage operation, low in energy consumption under the battery saving mode, and solve the patient in bed because the vision that the instrument screen bright band comes puzzlement.
Present embodiment adopts the USB card-reading mode to upload, and adopts the storage of TF card and Card Reader automatic switch-over circuit, and single-chip microcomputer and TF link and tap into capable data storage during storage, and the TF card automatically switches to the Card Reader chip circuit during Card Reader, carries out exchanges data with PC.
Embodiment 2;
Sleep-respiratory primary dcreening operation instrument power-saving working method embodiment, the method is based on embodiment 1 described method with sleep-respiratory primary dcreening operation instrument of timing start-up function, comprises start step and blank screen treatment step;
Described start step is:
A. by the power control circuit energized;
Electric power starting locking signal of b.MCU central processing unit output keeps power connection to power control circuit;
Whether what the c.MCU central processing unit detected power control circuit is the judgement end of time opening, is judgement manually to start shooting or timing start-up?
D. if manually start shooting, the MCU central processing unit enters normal mode of operation, and instrument enters the Real-Time Monitoring interface;
E. if timing start-up, the MCU central processing unit enters the storage interface, the MCU central processing unit reads data running time of setting from intervalometer, the beginning timing, when running time behind setup times, central processing unit is at first carried out the preservation case, and then power-off locking signal of MCU central processing unit output is to the power control circuit power cutoff; Timing start-up and running time are in the function of the manually rear selection of start and the time data of input, store in the intervalometer of this moment the timing start-up time data that after manual start, deposits in and running time data, behind the timing start-up function setting information deposited in single-chip microcomputer FLASH, and with timing start-up time write clock chip register.In case select timing start-up then just be defaulted as 8 hours running time (unless inputting separately running time), the MCU central processing unit is with a Lookup protocol depositor running time behind timing start-up, automatically put in the depositor from data running time that intervalometer is read described running time, MCU central processing unit intervalometer begins timing behind the timing start-up, and the data after the timing are judged, running time, then the MCU central processing unit was exported a power-off locking signal powered-down to then preserving measurement data;
Described blank screen treatment step is: output blank screen signal was to display without button operation in 1 minute after carrying out memory command.Memory command is divided into manually and is automatic, automatically when timing start-up, just have, such as step e, the explanation user has not needed Real Time Observation when carrying out memory command, for the power supply that avoids waste is judged the requirement that has or not continuation to observe after executing memory command, when will effectively having saved battery without autoshutdown demonstration after observing requirement; If the observation requirement is arranged, can wake demonstration up by button.
The present embodiment instrument is made as manual start and timing start-up dual mode, and can automatically identify.Manually start is controlled by power key, when pressing power key, diode D2, D3 conducting, diode D1 is in cut-off state, at this moment, CTR is high level, by the NAND gate on-off circuit, metal-oxide-semiconductor 8-8 conducting, single-chip microcomputer is started working, by one-chip machine port KEY-HOLD output high level, latch open state, this moment, one-chip machine port KEY-AUTO detected low level state, and the system that judges powers by manual start-up mode, single-chip microcomputer enters normal mode of operation, and instrument enters the Real-Time Monitoring interface.
The timing start-up function is to utilize the timing alarm interrupt function of clock chip to realize, default available machine time and running time before the timing start-up, clock chip produces to report to the police and interrupts when the time arrives Preset Time, clock chip IRQ port produces low level, metal-oxide-semiconductor 8-9 conducting this moment, diode D1 conducting, diode D2, D3 is in cut-off state, and at this moment, CTR is high level, by the NAND gate on-off circuit, metal-oxide-semiconductor Q1 conducting, single-chip microcomputer is started working, by one-chip machine port KEY-HOLD output high level, latch open state, this moment, one-chip machine port KEY-AUTO detected high level state, and the system that judges powers by the timing start-up mode, and instrument can enter the storage interface automatically after the start, intervalometer begins timing, when running time instrument behind the setup times preserve case and automatic shutdown.
During as sleep-respiratory, in the situation that does not have signal as example: the analogue signal of output is 0-3V, and scope of data are 0-4095 after 12 AD conversions.In the absence of signal, what nose air-flow collection single-chip microcomputer collected is the reference voltage of amplifier part, is about 1. 25V, and the desired result after the AD conversion is (1.25/3) * about 4095=1706.So in the situation that does not have the nose airflow signal, the data of single-chip microcomputer collection remain on about 0x6AA.In like manner, when the nose airflow signal is arranged, the result of AD conversion=(voltage/3.0V full scale voltage this moment) * 4095, then single-chip microcomputer carries out computing to data, traces waveform at liquid crystal display screen.

Claims (7)

1. the sleep-respiratory primary dcreening operation instrument that has the timing start-up function, comprise a housing that is used for being worn on the wrist, housing is provided with display screen and control button, be respectively arranged with nose airflow signal input interface and blood oxygen signal input interface in housing sidewall, in housing, be fixed with the control analysis circuit, described control analysis circuit comprises MCU central processing unit and battery supply, and the circuit that connects respectively setting around the MCU central processing unit comprises nose air-flow test circuit, blood oxygen test circuit, display circuit, TF storage card circuit, power control circuit and USB card reading circuit; It is characterized in that, described power control circuit comprises power-on circuit and with the clock chip of interrupt output, described power-on circuit is provided with a plurality of control ends, described a plurality of control end comprises an electric power starting keyed end that is connected with the MCU central processing unit, a judgement end that takes a decision as to whether time opening that is connected with the MCU central processing unit, a time opening control end that is connected with the clock chip interrupt output, the data terminal of described clock chip connects the MCU central processing unit, and described clock chip connects battery supply all the time.
2. the sleep-respiratory primary dcreening operation instrument with timing start-up function according to claim 1, it is characterized in that, described battery supply provides power supply by power-on circuit for MCU central processing unit, nose air-flow test circuit, blood oxygen test circuit, display circuit, TF storage card circuit, USB card reading circuit, described battery supply is connected without breakpoint with clock chip, is always clock chip uninterrupted power source is provided.
3. the sleep-respiratory primary dcreening operation instrument with timing start-up function according to claim 1, it is characterized in that, described power-on circuit comprises four dual input NAND gate circuits, key switch, the first field effect transistor and the second field effect transistor, described four dual input NAND gate circuits are respectively the first NAND gate, the second NAND gate, the 3rd NAND gate and the 4th NAND gate, described the first NAND gate output connects respectively the dual input of the 3rd NAND gate and an input of the 4th NAND gate, an input of described the first NAND gate is connected with the output of the 4th NAND gate, another input of described the first NAND gate is connected with the output of the second NAND gate, the dual input parallel connection of the second NAND gate is connected to power cathode by the first resistance, another input of described the 4th NAND gate is connected to the battery supply negative pole by the second resistance, the output of described the 3rd NAND gate connects the first field effect transistor control grid, the positive pole of battery supply connects the first field effect transistor source electrode, the drain electrode of the first field effect transistor is power supply output, and another input of described the 4th NAND gate is connected with the MCU central processing unit as described electric power starting keyed end; The input of described key switch connects the positive pole of battery supply, the outfan of key switch connects the dual input of the second NAND gate, the dual input of described the second NAND gate connects a diode cathode simultaneously, be connected two divider resistances between the drain electrode of described the second field effect transistor and the battery supply negative pole, the positive pole of battery supply connects the second field effect transistor source electrode, the positive pole of described diode is connected in the middle of described two divider resistances, in the middle of described two divider resistances as described whether be that the judgement end of time opening is connected with the MCU central processing unit, the control grid of described the second field effect transistor is connected with the clock chip interrupt output as described time opening control end.
4. the sleep-respiratory primary dcreening operation instrument with timing start-up function according to claim 1, it is characterized in that, infrared light driving and infrared signal receiving circuit that described blood oxygen test circuit comprises microprocessor and is attached thereto, described infrared signal receiving circuit is connected with described blood oxygen signal input interface, and the infrared signal after described microprocessor will be processed is passed to the MCU central processing unit by serial interface circuit.
5. the sleep-respiratory primary dcreening operation instrument with timing start-up function according to claim 1, it is characterized in that, described nose air-flow test circuit nose pneumatic sensor adopts the bridge-type baroceptor, described sensor balanced input termination has entered a constant-current source circuit, the outfan of sensor connects a differential amplifier circuit, the output of differential amplifier circuit connects filter amplification circuit, and the output of filter amplification circuit connects the A/D conversion input of MCU central processing unit.
6. the sleep-respiratory primary dcreening operation instrument with timing start-up function according to claim 5, it is characterized in that, the model of described bridge-type baroceptor is MPS-2107-006GRC, described constant-current source circuit includes an operational amplifier, the positive pole input of operational amplifier is connected between two divider resistances, the negative pole of operational amplifier is input between the simulation ground and takes back road resistance, and constant-current source circuit provides the continuous current of a 0.54mA for the bridge-type baroceptor.
7. sleep-respiratory primary dcreening operation instrument power-saving working method: the method is based on the described method with sleep-respiratory primary dcreening operation instrument of timing start-up function of claim 1, comprises start step and blank screen treatment step;
Described start step is:
A. by the power control circuit energized;
B. electric power starting locking signal of central processing unit output keeps power connection to power control circuit;
C. central processing unit detects whether power control circuit is the judgement end of time opening, is judgement manually to start shooting or timing start-up?
D. if manually start shooting, central processing unit enters normal mode of operation, enters the Real-Time Monitoring interface;
E. if timing start-up, central processing unit enters the storage interface, the MCU central processing unit reads data running time of setting from intervalometer, the beginning timing, when running time behind setup times, central processing unit is at first preserved case, and then one of central processing unit output is closed locking signal to the power control circuit power cutoff;
Described blank screen treatment step is: output blank screen signal was to display without button operation in 1 minute after carrying out memory command.
CN201210477209.8A 2012-11-20 2012-11-20 Sleep and breath preliminary screening instrument with timing power-on function and power-saving method Active CN102940491B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201210477209.8A CN102940491B (en) 2012-11-20 2012-11-20 Sleep and breath preliminary screening instrument with timing power-on function and power-saving method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201210477209.8A CN102940491B (en) 2012-11-20 2012-11-20 Sleep and breath preliminary screening instrument with timing power-on function and power-saving method

Publications (2)

Publication Number Publication Date
CN102940491A true CN102940491A (en) 2013-02-27
CN102940491B CN102940491B (en) 2014-05-14

Family

ID=47723564

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201210477209.8A Active CN102940491B (en) 2012-11-20 2012-11-20 Sleep and breath preliminary screening instrument with timing power-on function and power-saving method

Country Status (1)

Country Link
CN (1) CN102940491B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103860151A (en) * 2014-03-12 2014-06-18 郑州雅晨生物科技有限公司 Portable SAHS (Sleep Apnea Hypopnea Syndrome) screening device with automatic analysis function

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5275159A (en) * 1991-03-22 1994-01-04 Madaus Schwarzer Medizintechnik Gmbh & Co. Kg Method and apparatus for diagnosis of sleep disorders
CN101026995A (en) * 2002-12-13 2007-08-29 因特尔丘尔有限公司 Apparatus and method for beneficial modification of biorhythmic activity
CN102458245A (en) * 2009-04-20 2012-05-16 雷斯梅德有限公司 Discrimination of cheyne -stokes breathing patterns by use of oximetry signals
CN202950658U (en) * 2012-11-21 2013-05-29 秦皇岛市康泰医学系统有限公司 Sleep breath primary screening instrument

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5275159A (en) * 1991-03-22 1994-01-04 Madaus Schwarzer Medizintechnik Gmbh & Co. Kg Method and apparatus for diagnosis of sleep disorders
CN101026995A (en) * 2002-12-13 2007-08-29 因特尔丘尔有限公司 Apparatus and method for beneficial modification of biorhythmic activity
CN102458245A (en) * 2009-04-20 2012-05-16 雷斯梅德有限公司 Discrimination of cheyne -stokes breathing patterns by use of oximetry signals
CN202950658U (en) * 2012-11-21 2013-05-29 秦皇岛市康泰医学系统有限公司 Sleep breath primary screening instrument

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103860151A (en) * 2014-03-12 2014-06-18 郑州雅晨生物科技有限公司 Portable SAHS (Sleep Apnea Hypopnea Syndrome) screening device with automatic analysis function

Also Published As

Publication number Publication date
CN102940491B (en) 2014-05-14

Similar Documents

Publication Publication Date Title
CN200987666Y (en) Portable sleep monitor
CN111466910B (en) Sleep monitoring method, system, storage medium, computer program and device
CN102274020B (en) Low-power consumption portable electrocardiograph monitor and control method thereof
CN103313651A (en) Self-contained patient monitor
CN104720748A (en) Sleep stage determining method and sleep stage determining system
CN210843062U (en) Multi-parameter acquisition intelligent watch based on noninvasive blood glucose detection
CN104720765A (en) Mobile phone medical device for human health monitoring and diagnosis
CN205514533U (en) Wearable human skin detection device
CN104545885A (en) Patch type dynamic electrocardiograph recorder
CN202146301U (en) Dynamic ECG (electrocardiograph) monitor with low power consumption
CN102525484B (en) Digital portable pulse oximeter and battery power supply control method thereof
CN109077722A (en) A kind of multi-modal acquisition device of portable physiological signal
CN204428026U (en) A kind of SMD dynamic electrocardiogram recording instrument
CN105938548A (en) Hand-held fingerprint identity card check terminal
CN202950658U (en) Sleep breath primary screening instrument
CN102940491B (en) Sleep and breath preliminary screening instrument with timing power-on function and power-saving method
CN205885439U (en) Wearing formula brain function detecting device based on NIRS
CN108606789A (en) A kind of brain dateline hoop applied to depressive emotion monitoring
CN105411544B (en) A kind of electricity saving method of the healthy watch with power saving handoff functionality
CN205144551U (en) Portable domestic health supervision device
CN106108856A (en) A kind of sleep primary dcreening operation instrument with warning function
CN106073775A (en) A kind of myoelectric signal collection apparatus and acquiring and processing method thereof
CN206473320U (en) EEG monitoring device and system
CN204169841U (en) A kind of heart rate monitoring system
CN215227571U (en) Human health parameter monitoring device

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
C56 Change in the name or address of the patentee
CP01 Change in the name or title of a patent holder

Address after: Qin 066004 West Street in Hebei province Qinhuangdao City Economic and Technological Development Zone No. 112

Patentee after: Kangtai medical system (Qinhuangdao) Limited by Share Ltd

Address before: Qin 066004 West Street in Hebei province Qinhuangdao City Economic and Technological Development Zone No. 112

Patentee before: Qinhuangdao Contec Medical Systems Co.,Ltd.