CN209751345U - electronic cold compress device - Google Patents
electronic cold compress device Download PDFInfo
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- CN209751345U CN209751345U CN201821904108.3U CN201821904108U CN209751345U CN 209751345 U CN209751345 U CN 209751345U CN 201821904108 U CN201821904108 U CN 201821904108U CN 209751345 U CN209751345 U CN 209751345U
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- semiconductor refrigerating
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- cold compress
- power supply
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Abstract
The utility model discloses an electronic cold compress device, which comprises a refrigerator and a knitted fabric layer; the refrigerator comprises a refrigerator shell, a semiconductor refrigerating device, a temperature sensor, a temperature controller and a power supply, wherein the semiconductor refrigerating device, the temperature sensor, the temperature controller and the power supply are arranged in the refrigerator shell; the semiconductor refrigerating device and the temperature sensor are both connected with the temperature controller, wherein the temperature sensor is arranged on the semiconductor refrigerating device and used for detecting the working temperature of the semiconductor refrigerating device; the power supply supplies power to the semiconductor refrigerating device, the temperature sensor and the temperature controller; the knitted fabric layer is positioned outside the refrigerator shell and is attached to the outer side wall of the refrigerator shell; the semiconductor refrigerating device is arranged on the inner side wall of the refrigerator shell, wherein the inner side wall is provided with the knitted fabric layer in an attached mode. The cold compress device can realize temperature control in the cold compress process.
Description
Technical Field
The utility model relates to a medical cold compress field refers in particular to an electron cold compress device.
Background
In order to relieve swelling or reduce temperature of patients in the medical industry, physical temperature reduction is needed, and an ice bag cold compress method is generally adopted. The disadvantages of this method are: 1. the ice bag is relatively troublesome to manufacture; 2. the cold compress temperature can change along with the melting of ice blocks in the ice bag in the cold compress process, and the constant temperature cold compress can not be realized; 3. the temperature of the cold compress cannot be adjusted. Making the cold compress process cumbersome.
disclosure of Invention
The utility model aims to provide a: in view of the above-mentioned problems, an electronic cold compress device is provided, which can realize temperature control in the cold compress process.
The utility model adopts the technical scheme as follows:
An electronic cold compress device comprises a refrigerator and a knitted fabric layer; the refrigerator comprises a refrigerator shell, a semiconductor refrigerating device, a temperature sensor, a temperature controller and a power supply, wherein the semiconductor refrigerating device, the temperature sensor, the temperature controller and the power supply are arranged in the refrigerator shell; the semiconductor refrigerating device and the temperature sensor are both connected with the temperature controller, wherein the temperature sensor is arranged on the semiconductor refrigerating device and used for detecting the working temperature of the semiconductor refrigerating device; the power supply supplies power to the semiconductor refrigerating device, the temperature sensor and the temperature controller; the knitted fabric layer is positioned outside the refrigerator shell and is attached to the outer side wall of the refrigerator shell; the semiconductor refrigerating device is arranged on the inner side wall of the refrigerator shell, wherein the inner side wall is provided with the knitted fabric layer in an attached mode.
Furthermore, the semiconductor refrigerating device comprises a semiconductor refrigerating sheet, a radiator, a radiating fan and a heat conducting cavity; the radiator is arranged at the hot end face of the semiconductor refrigerating sheet and is in contact with the hot end face, and a radiating fan is arranged on the radiator; the heat conduction cavity is arranged at the cold end surface of the semiconductor refrigerating sheet and is in contact with the cold end surface, and the heat conduction cavity is also in contact with the inner side wall of the refrigerator shell, which is provided with the knitted fabric layer; the heat conducting cavity is filled with anti-freezing heat conducting liquid; the sensor is inserted into the heat conduction cavity and is contacted with the anti-freezing heat conduction liquid; the power supply supplies power for the semiconductor refrigeration sheet and the cooling fan.
Furthermore, the temperature controller comprises a singlechip system module, a driving circuit module, a temperature setting module and a temperature display module; the driving circuit module, the temperature setting module and the temperature display module are all connected to the single chip microcomputer system module; the driving circuit module is connected with the semiconductor refrigerating sheet; and the temperature sensor is connected to the single chip microcomputer system module.
furthermore, the single chip microcomputer system module comprises an analog-to-digital converter, a digital PID controller and a pulse width modulation circuit; the digital PID controller is connected with a pulse width modulation circuit, an analog-to-digital conversion circuit, a temperature setting module and a temperature display module; the pulse width modulation circuit is connected with the drive circuit module; the analog-to-digital converter is connected with the temperature sensor.
Further, the power supply is a switching power supply.
Further, an air inlet and an air outlet are arranged on the refrigerator shell wall; the heat radiation fan is positioned at the air outlet.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
The electronic cold compress device of the utility model has convenient use, does not need troublesome and long-time ice making process, and has high refrigeration speed; and the cold compress temperature can be kept constant in the cold compress process. And the cold compress temperature can be adjusted by oneself as required. The utility model discloses, simple structure, facilitate promotion and use.
Drawings
FIG. 1 is an overall structure of the present invention;
FIG. 2 is a circuit structure diagram of the temperature controller of the present invention;
Fig. 3 is a power supply diagram of the switching power supply.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The embodiment discloses an electronic cold compress device, which comprises a refrigerator and a knitted fabric layer 6; the refrigerator comprises a refrigerator shell 8, a semiconductor refrigerating device arranged in the refrigerator shell 8, a temperature sensor 5, a temperature controller 9 and a power supply 4; the knitted fabric layer 6 is positioned outside the refrigerator shell 8 and is attached to the bottom of the refrigerator shell 8; a semiconductor refrigeration unit within the refrigerator housing 8 is also provided at the bottom of the refrigerator housing 8 to transfer heat to the knit layer 6 through the bottom of the housing. The temperature of the knitted fabric layer is reduced, and therefore the knitted fabric layer is convenient to be cold-compressed by a user.
The semiconductor refrigerating device comprises a semiconductor refrigerating sheet 3, a radiator 2, a radiating fan 1 and a heat conducting cavity 7;
the lower surface of the semiconductor refrigerating sheet 3 is a cold end surface, the upper end of the heat conducting cavity 7 is in contact with the cold end surface of the semiconductor refrigerating sheet 3, and the lower end of the heat conducting cavity is in contact with the bottom of the refrigerator shell 8;
The upper surface of the semiconductor refrigerating sheet 3 is a hot end surface, the lower end of the radiator 2 is in contact with the hot end surface of the semiconductor refrigerating sheet 3, and the upper end of the radiator is provided with a radiating fan 1;
The heat conduction cavity 7 is filled with anti-freezing heat conduction liquid; the sensor is inserted into the heat conduction cavity 7 and is contacted with the anti-freezing heat conduction liquid; and the power supply 4 supplies power to the semiconductor refrigerating sheet 3 and the cooling fan 1.
The temperature sensor 5 is connected on the temperature controller 9, and the semiconductor refrigerating device is also connected and controlled by the temperature controller 9 simultaneously, the power 4 supplies power for the temperature controller 9 and the temperature sensor 5.
An air outlet is formed in the top of the refrigerator shell 8, and the cooling fan 1 is located at the air outlet; an air inlet is arranged on the side wall of the refrigerator shell 8, and the air inlet is close to the bottom of the refrigerator shell 8.
The temperature controller 9 comprises a singlechip system module, a driving circuit module, a temperature setting module and a temperature display module;
The single chip microcomputer system module comprises an analog-to-digital converter, a digital PID controller and a pulse width modulation circuit; the digital PID controller is connected with a pulse width modulation circuit, an analog-to-digital conversion circuit, a temperature setting module and a temperature display module;
The pulse width modulation circuit is connected with a driving circuit module, and the driving circuit is connected with the semiconductor refrigerating sheet 3;
The analog-to-digital converter is connected with the temperature sensor 5;
The temperature setting module is a setting button; the temperature display module is a display screen.
The power supply 4 is a switching power supply 4; the input end of the switching power supply 4 is connected with a 220V alternating current power supply 4; the output end outputs +12V and +5V direct current voltage. The +12V voltage supplies power to the driving circuit module and the heat radiation fan 1; the +5V voltage supplies power to the singlechip system module, the temperature setting module and the temperature display module.
in the embodiment, the temperature sensor 5 is a thermistor with the model number of PT100, and does not need to be supplied with power independently, and the working voltage is provided by an analog-digital converter in the temperature controller; the working voltage of the cooling fan is 12V direct current and is directly provided by a switching power supply.
The model of the switching power supply is S-100-5-12, the model of the temperature controller is TCM-X107 single-channel temperature controller, and the model of the semiconductor refrigeration piece is TEC1-12706.
The working principle of the utility model is as follows:
the utility model discloses a semiconductor refrigeration piece 3 has utilized "peltier effect" to refrigerate, and peltier effect's rationale is when having the current to pass through in the thermocouple centering that an N type semiconductor material and a P type semiconductor material link into, will produce heat transfer between the both ends, leads to one end release heat to become the hot junction, and the other end absorbed heat becomes the cold junction. The utility model discloses then utilize the temperature of cold junction to reduce the temperature of knitted fabric layer 6, the knitted fabric layer 6 cold compress of being convenient for.
When the switch power supply 4 works, after the input end of the switch power supply 4 is connected with the 220V alternating current power supply 4, the output end outputs +12 and +5V direct current voltage. The +12V voltage provides working power supply for the driving circuit module and the cooling fan, and the +5V voltage provides working power supply for the single chip system module, the temperature setting module and the temperature display module. The single chip microcomputer system module, the driving circuit module, the temperature setting module and the temperature display module start to work. The driving circuit module outputs direct current pulsating current to be sent to the input end of the semiconductor refrigerating piece 3, and the semiconductor refrigerating piece 3 starts to work. The cold end and the hot end of the semiconductor refrigerating sheet 3 are subjected to heat transfer, so that the temperature of the cold end is reduced, and the temperature of the hot end is increased. The temperature of the cold end of the semiconductor refrigerating sheet 3 is reduced, so that the temperature of the anti-freezing heat-conducting liquid in the heat-conducting cavity 7 is reduced. Then, the heat is transferred to the knitted fabric layer 6 to lower the temperature of the knitted fabric layer 6, so that the knitted fabric layer 6 can be cold-compressed. Meanwhile, the heat at the hot end of the semiconductor refrigerating sheet 3 is discharged out of the refrigerator shell 8 from the air outlet through the radiator 2 and the radiating fan 1, so that the influence of the heat on the refrigeration at the cold end and the service life of other electronic devices in the refrigerator shell 8 is avoided. The air inlet sets up in refrigerator shell 8 and leans on the position of bottom, can make the wind that gets into refrigerator shell 8 be close to heat conduction cavity 7, and then reduces the inlet air temperature of air inlet, makes the temperature of taking away 3 hot junctions of semiconductor refrigeration piece that cold air can be better.
During the operation of the temperature controller 9, first, the temperature setting module sets the temperature to be cooled. The temperature display module displays the set temperature and the current temperature value. And the temperature sensor 5 is arranged in the anti-freezing heat-conducting liquid, and the transmitted signals are converted by an analog-to-digital converter in the single chip microcomputer system module. And then compared to the set temperature signal internally within the digital PID controller. The output signal of the digital PID controller controls the PWM duty ratio of the pulse width modulation circuit. The pulse width modulation output signal controls the conduction time of an MOS tube in the driving circuit module, thereby controlling the working time of the semiconductor refrigerating chip 3 and achieving the effect of temperature control.
the electronic cold compress device of the utility model has flexible and convenient use; the free adjustment of the cold compress temperature can be realized; the cold compress temperature is constant; and cold compress temperature real-time display and the like.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (6)
1. An electronic cold compress device is characterized by comprising a refrigerator and a knitted fabric layer (6); the refrigerator comprises a refrigerator shell (8), a semiconductor refrigerating device arranged in the refrigerator shell (8), a temperature sensor (5), a temperature controller (9) and a power supply (4); the semiconductor refrigerating device and the temperature sensor (5) are connected with a temperature controller (9), wherein the temperature sensor (5) is arranged on the semiconductor refrigerating device and used for detecting the working temperature of the semiconductor refrigerating device; the power supply (4) supplies power to the semiconductor refrigerating device, the temperature sensor (5) and the temperature controller (9); the knitted fabric layer (6) is positioned outside the refrigerator shell (8) and is attached to the outer side wall of the refrigerator shell (8); the semiconductor refrigerating device is arranged on the inner side wall of the refrigerator shell (8) attached with the knitted fabric layer (6).
2. an electronic cold compress device according to claim 1, wherein: the semiconductor refrigerating device comprises a semiconductor refrigerating sheet (3), a radiator (2), a radiating fan (1) and a heat conducting cavity (7); the radiator (2) is arranged at the hot end face of the semiconductor refrigerating sheet (3) and is in contact with the hot end face, and a radiating fan (1) is arranged on the radiator (2); the heat conduction cavity (7) is arranged at the cold end surface of the semiconductor refrigeration sheet (3) and is in contact with the cold end surface, and the heat conduction cavity (7) is also in contact with the inner side wall of the refrigerator shell (8) attached with the knitted fabric layer (6); the heat conduction cavity (7) is filled with anti-freezing heat conduction liquid; the sensor is inserted into the heat conduction cavity (7) and is contacted with the anti-freezing heat conduction liquid; the power supply (4) supplies power to the semiconductor refrigeration piece (3) and the cooling fan (1).
3. an electronic cold compress device according to claim 2, wherein: the temperature controller (9) comprises a singlechip system module, a driving circuit module, a temperature setting module and a temperature display module; the driving circuit module, the temperature setting module and the temperature display module are all connected to the single chip microcomputer system module; the driving circuit module is connected with the semiconductor refrigerating sheet (3); and the temperature sensor (5) is connected to the single chip microcomputer system module.
4. An electronic cold compress device according to claim 3, wherein: the single chip microcomputer system module comprises an analog-to-digital converter, a digital PID controller and a pulse width modulation circuit; the digital PID controller is connected with a pulse width modulation circuit, an analog-to-digital conversion circuit, a temperature setting module and a temperature display module; the pulse width modulation circuit is connected with the drive circuit module; the analog-to-digital converter is connected with a temperature sensor (5).
5. An electronic cold compress device according to any one of claims 1 to 4, wherein: the power supply (4) is a switch power supply (4).
6. An electronic cold compress device according to any one of claims 2 to 4, wherein: the wall of the refrigerator shell (8) is provided with an air inlet and an air outlet; the heat dissipation fan (1) is positioned at the air outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821904108.3U CN209751345U (en) | 2018-11-19 | 2018-11-19 | electronic cold compress device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821904108.3U CN209751345U (en) | 2018-11-19 | 2018-11-19 | electronic cold compress device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209751345U true CN209751345U (en) | 2019-12-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821904108.3U Active CN209751345U (en) | 2018-11-19 | 2018-11-19 | electronic cold compress device |
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| CN (1) | CN209751345U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110916891A (en) * | 2020-01-17 | 2020-03-27 | 王龙 | Intelligent cold therapy spectrum control system, control method and cold therapy equipment |
| CN111106523A (en) * | 2019-12-16 | 2020-05-05 | 中国电子科技集团公司第十一研究所 | Fixing assembly of pumping module and laser |
| CN114281128A (en) * | 2021-12-23 | 2022-04-05 | 北京新风航天装备有限公司 | Flexible multi-point temperature control device and method based on electric arc material increase inside thin-wall cylinder |
-
2018
- 2018-11-19 CN CN201821904108.3U patent/CN209751345U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111106523A (en) * | 2019-12-16 | 2020-05-05 | 中国电子科技集团公司第十一研究所 | Fixing assembly of pumping module and laser |
| CN110916891A (en) * | 2020-01-17 | 2020-03-27 | 王龙 | Intelligent cold therapy spectrum control system, control method and cold therapy equipment |
| CN114281128A (en) * | 2021-12-23 | 2022-04-05 | 北京新风航天装备有限公司 | Flexible multi-point temperature control device and method based on electric arc material increase inside thin-wall cylinder |
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Denomination of utility model: An electronic cold compress device Effective date of registration: 20230921 Granted publication date: 20191210 Pledgee: Zhengning County Rural Credit Cooperative Association Pledgor: QINGYANG OUWEI ELECTROMECHANICAL EQUIPMENT CO.,LTD. Registration number: Y2023980058162 |