CN1323857C - Device for learing codes in monitor of tyre pressure - Google Patents
Device for learing codes in monitor of tyre pressure Download PDFInfo
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- CN1323857C CN1323857C CNB021319405A CN02131940A CN1323857C CN 1323857 C CN1323857 C CN 1323857C CN B021319405 A CNB021319405 A CN B021319405A CN 02131940 A CN02131940 A CN 02131940A CN 1323857 C CN1323857 C CN 1323857C
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- tire
- pressure monitor
- tire pressure
- electronic module
- frequency
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Abstract
The present invention relates to an encoding device of a tyre pressure detector. The encoding device is arranged in an automobile and comprises at least one sensor electronic module arranged in tyres of the automobile for sensing the state of the tyres and transmitting the state through a wireless signal. The sensor electronic module is additionally provided with an asking-answering device (transponder), and radio waves capable of sensing first frequency generate electric power so as to transmit the specific coding of the sensor electronic module.
Description
Technical field
The present invention relates to a kind of sign indicating number device of sign indicating number device, particularly a kind of tire pressure monitor of tire pressure monitor,, and have the sign indicating number process of simplification in order to the state in the monitoring tire.
Background technology
In the existing technology, tire pressure monitoring device is known.For example, the applicant has proposed No. 089117036 application case in Taiwan " airtyred tire pressure monitoring method and device thereof " on August 22nd, 2000, wherein disclose a kind of tire pressure monitoring device and have sensor module, be installed in the air-inflation tyre respectively, in order to respond to the state of this tire, and behind the tire condition that will the respond to coding, send with radiofrequency signal, and a decoder module, in order to receive radiofrequency signal and this airtyred condition of service of decision that this sensor module is launched.
Yet, in aforesaid patent application case, when the decoder module of this vehicle and each air-inflation tyre in-to-in sensor module are carried out code verification, must exit to each air-inflation tyre of this vehicle via operating personal, utilize the variation rapidly of this tire pressure, after this decoder module affirmation, just confirmed the position of tire that this sensor module is installed.Afterwards, this tire must be inflated once again, and the beginning is used this vehicle once again.Apparently, the quite consuming time and very inconvenience and complicated of this process.
In addition, issued US Patent the 6th on April 9th, 2002 in Lill, 369, No. 703 " tire pressure monitor and position-recognizing system " (Tire pressure monitor and locationidentification system) announcement one is used for the tire pressure monitoring and the recognition system of a vehicle, it comprises at least one tire pressure monitor, may be operably coupled to each tire, a plurality of interrogator-responsor (transponder) and a central system receptor.Each interrogator-responsor, it has a distinctive heading code, is fixed on this vehicle, near one of this vehicle predetermined tire.In when operation, this tire pressure monitor is sent to its cooresponding interrogator-responsor with tire pressure data, and this interrogator-responsor adds its distinctive position code in these tire pressure data, and these data are sent to this central system receptor.This central system receptor optionally shows this tire pressure data by tire location.Yet the tire pressure monitoring of this patent is complicated, and is vulnerable to the interference of external electromagnetic waves.
As previously mentioned, aforesaid code method can not provide quick and actv. sign indicating number (code learning) pattern, therefore just having to provide a kind of of tire pressure monitor sign indicating number devices and methods therefor, makes the sign indicating number process of this tire pressure monitor more simple fast.
Summary of the invention
Main purpose of the present invention is to overcome the deficiencies in the prior art and defective, and a kind of sign indicating number device of tire pressure monitor is provided, and in order to the state of monitoring tire, and this monitoring device can be confirmed the position of the tire that this tyre monitor is installed easily.
Secondary objective of the present invention provides a kind of code method of tire pressure monitor, and the user does not need complicated operation, promptly can confirm the position of the tire that this tyre monitor is installed.
For reaching above-mentioned purpose, the invention provides a kind of sign indicating number device of tire pressure monitor, be installed in the vehicle, comprise at least one inductor electronic module, be installed in the tire of this vehicle, in order to responding to the state of this tire, and send this state by radio signal.This inductor electronic module has an interrogator-responsor (transponder), and the radiowave that can respond to a first frequency produces electric power, in order to send the specific coding of this inductor electronic module.The sign indicating number device of this tire pressure monitor comprises a reader in addition, in order to send the radiowave of this first frequency, and receive the radio wave signal of this specific coding, an and tire monitoring electronic module, be installed in this vehicle, this state that this inductor electronic module in this tire is sent can be received, and this specific coding of this inductor electronic module can be obtained by this reader.
The present invention provides a kind of code method of tire pressure monitor in addition, comprises that step is as follows: a plurality of inductor electronic modules are provided, are installed on respectively in a plurality of tires of a vehicle, in order to responding to the state of this tire, and send this state by radio signal; A plurality of interrogator-responsors are provided, are installed on respectively in this inductor electronic module, produce electric power in order to the radiowave of responding to a first frequency, and in order to send the specific coding of this inductor electronic module; And one of near these a plurality of tires of this vehicle the person place, send the radiowave of this first frequency, make this interrogator-responsor in this tire produce electric power, and send the specific coding of this inductor electronic module in this tire.
Described before combining, according to tyre monitor of the present invention, owing to have this interrogator-responsor, the user can confirm the specific coding of this inductor electronic module of being installed in this tire easily.Moreover this interrogator-responsor does not need extra supply unit, is unlikely the useful life that influences this inductor electronic module.
Description of drawings
Fig. 1 is the diagram of block according to the sign indicating number device of tire pressure monitor of the present invention;
Fig. 2 is the interior integrated circuit of this interrogator-responsor of Fig. 1 and the scheme drawing of inductor-capacitor antiresonant circuit.
Nomenclature among the figure
The sign indicating number device of 1 tire pressure monitor
10a inductor electronic module 10b inductor electronic module
10c inductor electronic module 10d inductor electronic module
12 interrogator-responsors
12a interrogator-responsor 12b interrogator-responsor
12c interrogator-responsor 12d interrogator-responsor
14a inductor special IC 12b inductor special IC
14c inductor special IC 12d inductor special IC
20 readers, 22 microprocessors
24a sends key 24b and sends key
24c sends key 24d and sends key
26 transceivers, 27 antennas
28 memory devices, 30 tires monitoring electronic module
31 memory devices
32 microprocessors, 34 receptors
35 antennas, 36 display units
40 integrated circuit, 42 Vcc pins
44 GND pins
50 electric capacity-inductance antiresonant circuit
The specific embodiment
Describe the specific embodiment of the present invention in detail below in conjunction with drawings and Examples.
Now please refer to Fig. 1, wherein show the sign indicating number device 1 that has the tire pressure monitor of learning sign indicating number (cod elearning) function according to of the present invention.The sign indicating number device 1 of this tire pressure monitor comprises a plurality of inductor electronic modules (sensor electric module) 10a, 10b, 10c, 10d and tire monitoring electronic module (tire monitoring electric module) 30.This tire monitoring electronic module 30 comprises a microprocessor 32, a receptor 34, and it has an antenna 35, a display unit 36 and memory device 31.
This inductor electronic module 10a, 10b, 10c, 10d are installed on respectively near the near front wheel (FL), off front wheel (FR), left rear wheel (RL) and the off hind wheel (RR) of a vehicle.This inductor electronic module 10a, 10b, 10c, 10d have inductor application-specific integrated circuit ASIC (Sensor Application-Specific Integrated Circuit) 14a, 14b, 14c, the 14d state in order to the tire of sense vehicle, and antenna 13a, 13b, 13c, 13d, in order to send this state.More specifically, this inductor special IC 14a-d is in order to responding to the state of cooresponding tire, and with the tire condition coding of induction, and sends via this antenna 13a-d with a radiofrequency signal, and wherein this tire condition comprises the pressure and the temperature of this tire.This inductor special IC has a specific coding in addition, and can follow in this radiofrequency signal transmission.Similarly monitoring device had been disclosed in the applicant already in No. 089117036 application case in Taiwan " airtyred tire pressure monitoring method and device thereof " of filing an application on August 22nd, 2000.The full text of this application case is incorporated a literary composition into as a reference.
Sign indicating number device 1 according to tire pressure monitor of the present invention comprises a hand-held reader (hand-held reader) 20 in addition, and this inductor electronic module 10a, 10b, 10c, 10d comprise interrogator- responsor 12a, 12b, 12c, 12d respectively.This hand-held reader 20 comprises a microprocessor 22, a plurality of transmission key 24a, 24b, 24c, 24d, a transceiver (transceiver) 26, has an antenna 27 and a memory device 28.Being skillful in present technique person can understand, and this interrogator-responsor 12a-d can respond to the radiowave of an assigned frequency, and produce power drives one integrated circuit, and send the specific coding of this inductor special IC thus.Again, this hand-held reader 20 has the key of transmission 24a-d, and when this transmission key 24a-d was pressed, this hand-held reader 20 can send the radiowave of this assigned frequency.
In the time of at first must learning yard process according to the sign indicating number device 1 of this tire pressure monitor of the present invention, in order to the specific coding of this induction electricity submodule of confirming to be installed in indivedual tires.Learn in sign indicating number process in this, for example, hand-holdable this hand-held reader 20 of user and near the near front wheel of this vehicle is pressed this transmission key 24a, in order to send the radiowave of this assigned frequency.This interrogator-responsor 12a responds to this radiowave, and produces power drives one integrated circuit, in order to the specific coding with this inductor special IC 14a, sends by another radiofrequency signal.The transceiver 26 of this hand-held reader 20 can receive this radiofrequency signal, and the specific coding of this inductor special IC 14a in this near front wheel is stored in the memory device 28.This user is more respectively near other tire, and presses relative transmission key 24b, 24c, 24d, the specific coding of this inductor special IC that can obtain in all tire to be installed.Afterwards, this hand-held reader 20 can be by radiowave or transmission line, the specific coding of indivedual tires is delivered in the memory device 31 of this tire monitoring electronic module 30, this tire monitoring electronic module 30 can receive the tire condition signal of this inductor electronic module 10a-d in indivedual tires thus, and can confirm to send the tire of this signal.Moreover, this tire monitoring electronic module 30 also by radiowave or transmission line with the state of this tire, be sent in this hand-held reader 20, in order to the function of long distance monitoring to be provided.
Again, according to embodiments of the invention, when this user reads 20 usefulness with this hand-held so that this interrogator-responsor when starting, the radio wave intensity of this assigned frequency that this hand-held reader 20 is sent must be limited, so make when this hand-held reader 20 near this interrogator-responsor (that is tire) during to 7～20 centimetres, this radio wave intensity beginning is enough to start this interrogator-responsor, to avoid being subjected to the influence of other tires.
More specifically, as shown in Figure 2, be provided with an integrated circuit 40 and an electric capacity 52-inductance 54 antiresonant circuits 50 in this interrogator-responsor 12, and this circuit 50 is electrically connected at Vcc (power supply) pin 42 and GND (ground connection) pin 44 of this integrated circuit 40 respectively.The resonant frequency of this resonance circuit 50 is this assigned frequency.Therefore, when this hand-held reader 20 near this resonance circuit 50, and when sending the radiowave of this assigned frequency, this resonance circuit 50 can be responded to this radiowave and produce voltage, drive this integrated circuit 40 and send another radiofrequency signal, wherein include the specific coding of this inductor special IC, and received by this hand-held reader 20.
Under specific circumstances, this assigned frequency of this interrogator-responsor 12a-d is about 125KHz, and the frequency of the radiofrequency signal that sent of this inductor electronic module 10a-10d and this interrogator-responsor 12a-12d is about 433.92MHz or 315MHz.
Though the present invention discloses with aforementioned preferred embodiment, so it is not in order to limiting the present invention, anyly is familiar with this operator, without departing from the spirit and scope of the present invention, and when doing various changes and modification.Therefore protection scope of the present invention is as the criterion as the scope person of defining that look claims.
Claims (21)
1. the sign indicating number device of a tire pressure monitor is installed in the vehicle, it is characterized in that, comprising:
At least one inductor electronic module, has a specific coding, and be installed in the tire of this vehicle, in order to respond to the state of this tire, and send this state by radio signal, and this inductor electronic module has an interrogator-responsor, and the radiowave that can respond to a first frequency produces electric power, in order to send the specific coding of this inductor electronic module.
2. the sign indicating number device of tire pressure monitor as claimed in claim 1 is characterized in that other comprises:
One reader in order to sending the radiowave of this first frequency, and receives the radio wave signal of this specific coding.
3. the sign indicating number device of tire pressure monitor as claimed in claim 2 is characterized in that other comprises:
One tire monitoring electronic module is installed in this vehicle, can receive this state that this inductor electronic module in this tire is sent, and can be obtained this specific coding signal of this inductor electronic module by this reader.
4. the sign indicating number device of tire pressure monitor as claimed in claim 1 is characterized in that, this interrogator-responsor comprises one electric capacity-inductance antiresonant circuit.
5. the sign indicating number device of tire pressure monitor as claimed in claim 3 is characterized in that, this tire monitoring modular receives this specific coding signal via a radiowave.
6. the sign indicating number device of tire pressure monitor as claimed in claim 3 is characterized in that, this tire monitoring modular receives this specific coding signal via a transmission line.
7. the sign indicating number device of tire pressure monitor as claimed in claim 3 is characterized in that, this tire monitoring modular has a memory device in addition, in order to store this specific coding.
8. the sign indicating number device of tire pressure monitor as claimed in claim 1 is characterized in that this first frequency is about 125KHz.
9. the sign indicating number device of tire pressure monitor as claimed in claim 1 is characterized in that, this inductor electronic module sends this state of this tire by a second frequency, and this interrogator-responsor sends the specific coding of this inductor electronic module by this first frequency.
10. the sign indicating number device of tire pressure monitor as claimed in claim 9 is characterized in that this second frequency is about 433.92MHz.
11. the sign indicating number device of tire pressure monitor as claimed in claim 9 is characterized in that this second frequency is about 315MHz.
12. the sign indicating number device of tire pressure monitor as claimed in claim 1 is characterized in that, selects in the group that this tire condition is made of tire pressure, tyre temperature or its combination.
13. the code method of a tire pressure monitor is characterized in that, comprises that step is as follows:
A plurality of inductor electronic modules are provided, have a specific coding respectively, and be installed in a plurality of tires of a vehicle, in order to responding to the state of this tire, and send this state by radio signal;
A plurality of interrogator-responsors are provided, are installed on respectively in this inductor electronic module, produce electric power in order to the radiowave of responding to a first frequency, and in order to send the specific coding of this inductor electronic module; And
Person place one of near these a plurality of tires of this vehicle sends the radiowave of this first frequency, makes this interrogator-responsor in this tire produce electric power, and sends the specific coding of this inductor electronic module in this tire.
14. the code method of tire pressure monitor as claimed in claim 13 is characterized in that other comprises step:
Write down the relation between the tire location of this specific coding and this vehicle;
One tire monitoring electronic module is provided, is installed in this vehicle, can receive the tire condition signal of this inductor electronic module in this tire; And
With the relation between the tire location of this specific coding and this vehicle, be sent in this tire monitoring electronic module.
15. the code method of tire pressure monitor as claimed in claim 13 is characterized in that, in the step of the radiowave that sends this first frequency, be in apart from this tire about 7 to about 20 centimeters, send the radiowave of this first frequency.
16. the code method of tire pressure monitor as claimed in claim 13 is characterized in that, this interrogator-responsor comprises one electric capacity-inductance antiresonant circuit, can respond to the radiowave of this first frequency and produces electric power.
17. the code method of tire pressure monitor as claimed in claim 13 is characterized in that this first frequency is about 125KHz.
18. the code method of tire pressure monitor as claimed in claim 13 is characterized in that, this inductor electronic module sends this state of this tire by a second frequency, and this interrogator-responsor sends the specific coding of this inductor electronic module by this first frequency.
19. the code method of tire pressure monitor as claimed in claim 18 is characterized in that this second frequency is about 433.92MHz.
20. the code method of tire pressure monitor as claimed in claim 18 is characterized in that this second frequency is about 315MHz.
21. the code method of tire pressure monitor as claimed in claim 13 is characterized in that, selects in the group that this state of this tire is made of tire pressure, tyre temperature or its combination.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021319405A CN1323857C (en) | 2002-09-05 | 2002-09-05 | Device for learing codes in monitor of tyre pressure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021319405A CN1323857C (en) | 2002-09-05 | 2002-09-05 | Device for learing codes in monitor of tyre pressure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1480353A CN1480353A (en) | 2004-03-10 |
| CN1323857C true CN1323857C (en) | 2007-07-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB021319405A Expired - Fee Related CN1323857C (en) | 2002-09-05 | 2002-09-05 | Device for learing codes in monitor of tyre pressure |
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| Country | Link |
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| CN (1) | CN1323857C (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100514380C (en) * | 2007-06-14 | 2009-07-15 | 惠州市华阳集团有限公司 | An information transmission method for motorcar pressure monitoring system |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4450431A (en) * | 1981-05-26 | 1984-05-22 | Hochstein Peter A | Condition monitoring system (tire pressure) |
| US4567460A (en) * | 1981-12-24 | 1986-01-28 | Bayerische Motoren Werke Ag | Testing device apparatus and method for tire pressure of automotive vehicle wheels |
| CN1141613A (en) * | 1994-02-22 | 1997-01-29 | 计算机方法公司 | Active intergrated circuit transponder and sensor apparatus for transmitting vehicle tire parameter data |
| US5612671A (en) * | 1995-12-11 | 1997-03-18 | Delco Electronics Corp. | Method of learning tire pressure transmitter ID |
| US5731754A (en) * | 1994-06-03 | 1998-03-24 | Computer Methods Corporation | Transponder and sensor apparatus for sensing and transmitting vehicle tire parameter data |
| US6369703B1 (en) * | 2000-06-30 | 2002-04-09 | Eaton Corporation | Tire pressure monitor and location identification system |
-
2002
- 2002-09-05 CN CNB021319405A patent/CN1323857C/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4450431A (en) * | 1981-05-26 | 1984-05-22 | Hochstein Peter A | Condition monitoring system (tire pressure) |
| US4567460A (en) * | 1981-12-24 | 1986-01-28 | Bayerische Motoren Werke Ag | Testing device apparatus and method for tire pressure of automotive vehicle wheels |
| CN1141613A (en) * | 1994-02-22 | 1997-01-29 | 计算机方法公司 | Active intergrated circuit transponder and sensor apparatus for transmitting vehicle tire parameter data |
| US5731754A (en) * | 1994-06-03 | 1998-03-24 | Computer Methods Corporation | Transponder and sensor apparatus for sensing and transmitting vehicle tire parameter data |
| US5612671A (en) * | 1995-12-11 | 1997-03-18 | Delco Electronics Corp. | Method of learning tire pressure transmitter ID |
| US6369703B1 (en) * | 2000-06-30 | 2002-04-09 | Eaton Corporation | Tire pressure monitor and location identification system |
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| Publication number | Publication date |
|---|---|
| CN1480353A (en) | 2004-03-10 |
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Granted publication date: 20070704 Termination date: 20090905 |