CN1990061B - Ultrasonic transducer and ultrasonic therapeutic system comprising same - Google Patents
Ultrasonic transducer and ultrasonic therapeutic system comprising same Download PDFInfo
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- CN1990061B CN1990061B CN200510137439XA CN200510137439A CN1990061B CN 1990061 B CN1990061 B CN 1990061B CN 200510137439X A CN200510137439X A CN 200510137439XA CN 200510137439 A CN200510137439 A CN 200510137439A CN 1990061 B CN1990061 B CN 1990061B
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- ultrasonic transducer
- ultrasonic
- transmitting element
- comparator
- cold stored
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Abstract
The invention belongs to the field of ultrasonic therapy technology, specifically an ultrasonic transducer and the ultrasonic therapy system containing the ultrasonic transducer. The ultrasonic transducer includes shell, the casing is installed ultrasound transmit unit and the cooling unit of ultrasound transmit unit in itself. Said cooling unit includes cold-storage units, refrigeration units and dissipating heat units below the ultrasound transmit unit, the refrigeration units are installed between the cold-storage units and dissipating heat units, the refrigeration surface of refrigerationunits is applying with the cold-storage units, and other surface of refrigeration units, that is dissipating heat surface, is applying with the dissipating heat units. The invention also provides an ultrasonic therapy containing said ultrasound transmit unit. The ultrasound transmit unit in the invention can continuity and steady work in the condition of high power output and long time, and shortens the treatment time.
Description
Technical field
The invention belongs to the ultrasonic therapy technical field, be specifically related to a kind of treatment with ultrasonic transducer and comprise the ultrasonic therapeutical system of this ultrasonic transducer.
Background technology
The high intensity ultrasound treatment technology is a kind of practical clinical ultrasound treatment technology that development in recent years is got up, the equipment of using this technology mainly is high intensity ultrasound transducer, because the energy of ultrasonic transducer (generally adopting piezoelectric ceramic transducer) output is big, the heat that produces is many, the temperature inside height, make the poor stability of its output, even Yin Wendu surpasses the Curie temperature of its material and loses the ultrasound emission ability.
Present high intensity ultrasound transducer both domestic and external is various informative, as the lens style focused transducer, concave sphere self focusing piezoelectric ceramic piece transducer, dull and stereotyped piezoelectric ceramic piece sphere is arranged transducer and dull and stereotyped piezoelectric ceramic piece horizontal layout phase-control focusing transducer etc., the type of cooling of these ultrasonic transducers, what have only dispels the heat with acoustic emission face, passing through of having is provided with metallic conduit and passes ultrasonic transducer by water or gas heat radiation, these cool-down method efficient are low, the a large amount of heats that produce in the time of can't taking away ultrasonic transducer work, when under high heat environment, working greater than maximum nominal power, because the piezoelectric ceramic piece heating rapidly, cause the piezoelectric ceramic piece parameter to change, heating is accelerated, acoustical power output descends fast, even causes the whole ultrasonic transducer to damage.Therefore, in order to guarantee ultrasonic transducer energy steady operation, generally speaking, ultrasonic transducer has to use under the condition that reduces rated power usually, perhaps use a period of time continuously earlier, treat to continue again to use after its cooling, thereby influenced therapeutic effect, prolong treatment time, also shortened the service life of ultrasonic transducer simultaneously.
Summary of the invention
Technical problem to be solved by this invention is the above-mentioned deficiency at prior art, and a kind of ultrasonic transducer and ultrasonic therapeutical system of can be under the high power output condition long-time, continous-stable work is provided.
The technical scheme that solution the technology of the present invention problem is adopted is that this treatment comprises shell with ultrasonic transducer, and ultrasonic transmitting element is arranged in the shell, wherein, also has the cooling unit of ultrasonic transmitting element in the shell.Described cooling unit comprises cold stored plate, cooling piece, the fin of ultrasonic transmitting element below, and cooling piece is between cold stored plate and fin, and the chill surface of cooling piece and cold stored plate are fitted, and the another side of cooling piece is that radiating surface and fin are fitted.
Preferably, described cooling unit also can include water circulation unit, and this water circulation unit comprises water inlet pipe and drain pipe, and water inlet pipe and drain pipe pass shell and be connected with extraneous water circulation system.
Further preferably, this treatment also can include the control unit of cooling unit with ultrasonic transducer, this control unit comprises the temperature sensor between cold stored plate and ultrasonic transmitting element, the prime amplifier that links to each other with temperature sensor, first comparator that links to each other with cooling piece and second comparator that links to each other with ultrasonic transmitting element, and first comparator links to each other with prime amplifier respectively with second comparator.In this intelligent control unit, be set with a set lower temperature value, when temperature sensor measurement when temperature reaches set low setting value, intelligent control unit can start cooling piece work.Simultaneously, in order to prevent that Yin Wendu is too high the ultrasound emission unit is caused damage, also can be set with a set higher temperature value in the control unit of the present invention, when temperature sensor measurement when temperature reaches described set higher setting value, under the control of control unit, ultrasonic transmitting element quits work.
In order to strengthen the circulation of heat that ultrasonic transmitting element produces, make between ultrasonic transmitting element and the cold stored plate and can fully carry out heat exchange, also can be equipped with a plurality of radiator fans between the top of cold stored plate and/or its gap.
In order to prevent to carry out heat exchange between heatsink temperature too high (can damage the holding wire of circuit) and cold stored plate and the fin, thermal insulation layer is arranged between cold stored plate and the fin and/or around the Kong Zhu of fin.
In order to prevent the dewfall phenomenon to occur when the cold stored plate temperature from reducing, also can be equipped with desiccant in the gap of each cold stored plate.
Ultrasonic transducer of the present invention is used in combination with image supervisory control equipment for convenience, can have the Kong Lu that image supervisory control equipment passes through at the middle part of shell bottom surface and the middle part of ultrasonic transmitting element.The preferred Ultrasonic-B probe of image supervisory control equipment.
The present invention also provides a kind of ultrasonic therapeutical system that comprises above-mentioned treatment with ultrasonic transducer, and is identical in other part-structures of this ultrasonic therapeutical system and the prior art.
When using therapy system of the present invention, the heat that cooling unit can be taken away ultrasonic transmitting element rapidly and produced, on the basis of adopting control unit, the work that whole ultrasonic ripple transmitter unit is can be under the high power output condition long-time, stable, and also has the overtemperture control function, when temperature is too high, ultrasonic transmitting element quits work, guaranteed that ultrasonic transducer is injury-free, therefore the existing ultrasonic therapeutical system therapeutic effect of therapy system of the present invention is good, shorten treatment time simultaneously, alleviated patient's misery.
Description of drawings
Fig. 1 is the structure cutaway view of ultrasonic transducer in the embodiment of the invention 1
Fig. 2 is the vertical view of ultrasonic transducer in the embodiment of the invention 1
Fig. 3 is the structure cutaway view of ultrasonic transducer in the embodiment of the invention 2
Fig. 4 is the structured flowchart of control unit in the embodiment of the invention 2
Among the figure: the road of the 1-piezoelectric ceramic piece 2-fan 3-cold stored plate 4-cooling piece 5-fin 6-water inlet pipe 7-control unit 71-prime amplifier 72-first comparator 73-, the second comparator 8-thermal insulation layer 9-temperature sensor 10-focusing unit 11-desiccant 12-drain pipe 13-conduit 14-shell 15-hole
The specific embodiment
Below in conjunction with embodiment and accompanying drawing content of the present invention is described in further detail.
Following examples are indefiniteness embodiment of the present invention.
Embodiment 1:
As shown in Figure 1, 2, the present invention's treatment comprises shell 14 with ultrasonic transducer, and the top of shell 14 is the cooling unit that is useful on the cooling ultrasonic transmitting element in ultrasonic transmitting element, the shell 14, and cooling unit is positioned at the below of ultrasonic transmitting element.In the present embodiment, ultrasonic transmitting element comprises piezoelectric ceramic piece 1 and the focusing unit 10 on it.Focusing unit 10 adopts lens, utilizes lens refraction mode to carry out ultrasound wave and focuses on.
As shown in Figure 2, the hole road 15 that the middle part of shell 14 bottom surfaces and the middle part of ultrasonic transmitting element have image supervisory control equipment to pass through, in the present embodiment, image supervisory control equipment adopts Ultrasonic-B probe.
Cooling unit is fixed on the sidewall of shell 14 with screw or bonding mode.Cooling unit comprises cold stored plate 3, cooling piece 4, fin 5, water circulation pipe (being water inlet pipe 6 and drain pipe 12).Wherein, cooling piece 4 adopts semiconductor chilling plate.Cold stored plate 3 is positioned at piezoelectric ceramic piece 1 below, semiconductor chilling plate 4 is between cold stored plate 3 and fin 5, the three is close to: the hot side of semiconductor chilling plate 4 and fin 5 are close to, the chill surface of semiconductor chilling plate 4 and cold stored plate 3 are close to, contact surface is coated heat-conducting silicone grease uniformly, with screw in compression.The two ends of water inlet pipe 6 and drain pipe 12 are passed shell 14 and are connected with extraneous water circulation system.Drain pipe 12 external little water pump (not shown)s, cold water enters, hot water flows out to make things convenient for when in use.
Above cold stored plate 3, be evenly distributed with 2-4 radiator fan 2.
Simultaneously, fill with thermal insulation layer 8 in the gap that fin 5 and cold stored plate are 3, and this thermal insulation layer 8 adopts materials such as asbestos, the poly-stupid ethylene of foam, prevents that 5 of cold stored plate 3 and fin from producing heat exchange.In addition, in the gap of cold stored plate 3, be placed with small quantity of drying 11 (is prerequisite not influence air mobile), occur the dewfall phenomenon when reducing in order to prevent cold stored plate 3 temperature.
Adopt the ultrasonic transducer of the present invention of said structure to carry out cool cycles to the heat that piezoelectric ceramic piece 1 is produced.
When using ultrasonic transducer of the present invention, at first place it in the cooling water, the signal of telecommunication is provided for piezoelectric ceramic piece 1, fan 2, semiconductor chilling plate 4, it is started working, piezoelectric ceramic piece 1 emission ultrasound wave and scioptics focus on, the heat transferred cold stored plate 3 that in producing hyperacoustic process, is produced, and cold stored plate 3 is transferred to fin 5 by cooling piece 4 with heat, cooling water in the water inlet pipe 6 is met heat and is heated up rapidly, and the water after will heating by drain pipe 12 is discharged.
In whole ultrasonic transducer work process, fan 2 continuous firings make piezoelectric ceramic piece 1 and 3 of cold stored plates carry out sufficient heat exchange, so that rapidly the heat energy of piezoelectric ceramic piece 1 is distributed, thereby piezoelectric ceramic piece 1 are operated in the normal temperature range.Simultaneously, the use of thermal insulation layer 8, desiccant 11 makes that also the whole work process of ultrasonic transducer is more effective.
Embodiment 2:
As shown in Figure 3, the present embodiment ultrasonic transducer is compared with embodiment 1 has increased control unit 7.
Shown in Fig. 3,4, control unit 7 comprises the temperature sensor 9 between cold stored plate 3 and ultrasonic transmitting element, the prime amplifier 71 that links to each other with temperature sensor 9, first comparator 72 that links to each other with cooling piece 4 and second comparator, 73, the first comparators 72 that link to each other with ultrasonic transmitting element link to each other with prime amplifier 71 respectively with second comparator 73.
Wherein, temperature sensor 9 is to be fixed in the gap of cold stored plate 3 and ultrasonic transmitting element in bonding mode.Pass the conduit 13 that shell 14 links to each other with atmosphere in the cooling unit in addition, the holding wire of piezoelectric ceramic piece 1, fan 2, cooling piece 4, temperature sensor 9 is all guided on the control unit 7 of ultrasonic transducer outside by conduit 13, and all outer adiabator of wrapping up in of all holding wires can damage holding wire when preventing that fin 5 temperature are high simultaneously.In addition, also can prevent to damage holding wire with thermal insulation layer 8 fillings between fin 5 and the cold stored plate 3.
The mode of intelligent control unit 7 available computers softwares, electronic circuit realizes the control of ultrasonic transducer.Be provided with a set lower temperature value in first comparator 72; be provided with a set higher temperature value in second comparator 73; because prime amplifier 71 links to each other with temperature sensor 9; first comparator, 72 two ends link to each other with semiconductor chilling plate 4 with prime amplifier 71 respectively; second comparator, 73 two ends link to each other with piezoelectric ceramic piece 1 in the ultrasonic transmitting element with prime amplifier 71 respectively; whether the temperature that is measured by first comparator, 72 C.T pick offs 9 reaches set low setting value; if reach; then intelligent control unit 7 starts semiconductor chilling plate 4 work; whether the temperature that second comparator, 73 C.T pick offs 9 measure reaches set higher setting value; if reach; then under the control of control unit 7; ultrasonic transmitting element quits work, and ultrasonic transducer of the present invention is protected.
The set low setting value of described temperature is generally more than 70 ℃, the set higher setting value of described temperature is generally below 20% of used piezoelectric (such as piezoelectric ceramic piece) Curie temperature, and (piezoelectric ceramic piece will not have piezoelectric effect after reaching Curie temperature, also just can not produce ultrasound wave), therefore guard generally speaking and be set to below 20% of used piezoelectric Curie temperature, concrete desired temperature can be provided with by user oneself according to factors such as environments for use.
When described control unit 7 adopts the mode of electronic circuit to work, the inside that control unit 7 can be fixed on ultrasonic transducer also can be fixed on the outside of ultrasonic transducer, when described intelligent control unit adopts the mode of software to design, described control unit 7 is positioned at the outside of ultrasonic transducer, be connected with the equipment such as computer of outside for convenience, the cable-through hole that has the water shutoff function in the bottom of ultrasonic transducer in addition, flexible wire pipe 13 is by this cable-through hole water-stop, to prevent that cooling water from entering (the water conduction can produce the danger of getting an electric shock) in the ultrasonic transducer, simultaneously, if cooling water enters ultrasonic transducer, also can cause aqueous corrosion, influence the life-span of each parts each parts in it.Be enclosed with flexible material on the cable-through hole, flexible wire pipe 13 no matter how move the conduit position, can not cause the wearing and tearing to lead with after its water-stop is connected yet like this, and guardwire can not be damaged.
Present embodiment has carried out intelligentized design on the basis of embodiment 1, increased control unit 7, therefore cooling unit of the present invention not only can reduce the temperature in the ultrasonic transducer rapidly, and the staff also needn't worry piezoelectric ceramic piece 1 and reduce performance or damage because work long hours, thereby can improve therapeutic effect, shorten treatment time.
Other work process of present embodiment is identical with embodiment 1.
Claims (9)
1. treatment ultrasonic transducer, comprise shell (14), ultrasonic transmitting element is arranged in the shell, it is characterized in that also having in the shell (1 4) cooling unit of ultrasonic transmitting element, described cooling unit comprises cold stored plate (3), cooling piece (4), the fin (5) of ultrasonic transmitting element below, cooling piece (4) is positioned between cold stored plate (3) and the fin (5), the chill surface of cooling piece (4) and cold stored plate (3) are fitted, and the another side of cooling piece (4) is that radiating surface and fin (5) are fitted.
2. treatment ultrasonic transducer according to claim 1, it is characterized in that described cooling unit also includes water circulation unit, this water circulation unit comprises water inlet pipe (6) and drain pipe (12), and water inlet pipe and drain pipe pass shell (14) and be connected with extraneous water circulation system.
3. treatment ultrasonic transducer according to claim 1 is characterized in that between the top of cold stored plate (3) and/or its gap radiator fan (2) being arranged.
4. treatment ultrasonic transducer according to claim 1 is characterized in that between cold stored plate (3) and the fin (5) and/or the Kong Zhu of fin (5) has thermal insulation layer (8) on every side.
5. treatment ultrasonic transducer according to claim 1 is characterized in that the gap of each cold stored plate (3) is built-in with desiccant (11).
6. treatment ultrasonic transducer according to claim 1 is characterized in that the Kong Lu (15) that the middle part of the middle part of shell (14) bottom surface and ultrasonic transmitting element has image supervisory control equipment to pass through.
7. according to the described treatment ultrasonic transducer of one of claim 1-6, it is characterized in that this ultrasonic transducer also includes control device, described control device comprises control unit (7), be positioned at the temperature sensor (9) between cold stored plate (3) and the ultrasonic transmitting element, the prime amplifier (71) that links to each other with temperature sensor (9), first comparator (72) that links to each other with cooling piece (4), described first comparator (72) also links to each other with described prime amplifier (71), described control unit (7) and temperature sensor (9), cooling piece (4) links to each other by holding wire, in first comparator (72), be provided with a set lower temperature value, whether the temperature that is measured by first comparator (72) C.T pick off (9) reaches this lower temperature value, if reach, then start cooling piece (4) work by control unit (7).
8. treatment ultrasonic transducer according to claim 7, it is characterized in that also including in the described control device second comparator (73) that links to each other with ultrasonic transmitting element, second comparator (73) links to each other with prime amplifier again, ultrasonic transmitting element links to each other with described control unit (7) by holding wire, be provided with a set higher temperature value in described second comparator (73), whether the temperature that is measured by second comparator (73) C.T pick off (9) reaches set higher temperature value, if reach, then quit work by control unit (7) control ultrasonic transmitting element.
9. one kind comprises the ultrasonic therapeutical system that ultrasonic transducer is used in the described treatment of one of claim 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200510137439XA CN1990061B (en) | 2005-12-30 | 2005-12-30 | Ultrasonic transducer and ultrasonic therapeutic system comprising same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200510137439XA CN1990061B (en) | 2005-12-30 | 2005-12-30 | Ultrasonic transducer and ultrasonic therapeutic system comprising same |
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| Publication Number | Publication Date |
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| CN1990061A CN1990061A (en) | 2007-07-04 |
| CN1990061B true CN1990061B (en) | 2010-06-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN200510137439XA Expired - Fee Related CN1990061B (en) | 2005-12-30 | 2005-12-30 | Ultrasonic transducer and ultrasonic therapeutic system comprising same |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101468240B (en) * | 2007-12-26 | 2012-01-25 | 重庆融海超声医学工程研究中心有限公司 | Ultrasonic therapy head |
| CN101972519B (en) * | 2010-09-14 | 2012-03-14 | 陕西师范大学 | Thermostatic multifrequency ultrasonic cell processing transducer |
| CN103125584A (en) * | 2013-01-31 | 2013-06-05 | 河南科技大学 | Method for drying mushroom by combining ultrasound and hot air and ultrasound wave irradiation device |
| CN107243445A (en) * | 2017-06-26 | 2017-10-13 | 杭州成功超声设备有限公司 | A kind of blast resistance construction with cooling-part for ultrasonic equipment |
| CN110201320A (en) * | 2019-06-28 | 2019-09-06 | 武汉大学中南医院 | A kind of apparatus for ultrasonic therapeutic treatment with refrigerating function |
| CN114952444A (en) * | 2022-05-20 | 2022-08-30 | 广州大学 | Cooling device and method for ultrasonic reinforced grinding processing equipment |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5213103A (en) * | 1992-01-31 | 1993-05-25 | Acoustic Imaging Technologies Corp. | Apparatus for and method of cooling ultrasonic medical transducers by conductive heat transfer |
| CN2249979Y (en) * | 1995-07-31 | 1997-03-19 | 陈异鹏 | Laser with semiconductor cooler |
| CN2344037Y (en) * | 1998-11-16 | 1999-10-20 | 重庆市高强度聚焦超声肿瘤治疗研究中心 | Extensible combined probe |
-
2005
- 2005-12-30 CN CN200510137439XA patent/CN1990061B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5213103A (en) * | 1992-01-31 | 1993-05-25 | Acoustic Imaging Technologies Corp. | Apparatus for and method of cooling ultrasonic medical transducers by conductive heat transfer |
| CN2249979Y (en) * | 1995-07-31 | 1997-03-19 | 陈异鹏 | Laser with semiconductor cooler |
| CN2344037Y (en) * | 1998-11-16 | 1999-10-20 | 重庆市高强度聚焦超声肿瘤治疗研究中心 | Extensible combined probe |
Non-Patent Citations (4)
| Title |
|---|
| JP特开2001-37800A 2000.02.13 |
| JP特开2004-283494A 2004.10.14 |
| JP特开2005-13461A 2005.01.20 |
| JP特开2005-27737A 2005.02.03 |
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| CN1990061A (en) | 2007-07-04 |
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Application publication date: 20070704 Assignee: Ronghai Ultrasonic Medical Engineering Research Center Co., Ltd. Chongqing Assignor: Chongqing Haifu Medical Technology Co., Ltd. Contract record no.: 2012500000082 Denomination of invention: Ultrasonic transducer and ultrasonic therapeutic system comprising same Granted publication date: 20100623 License type: Exclusive License Record date: 20120903 |
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Granted publication date: 20100623 Termination date: 20121230 |