CN204313523U - A kind of mixing heat radiating type thermoelectric cooling heats integrated apparatus - Google Patents
A kind of mixing heat radiating type thermoelectric cooling heats integrated apparatus Download PDFInfo
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- CN204313523U CN204313523U CN201420636203.5U CN201420636203U CN204313523U CN 204313523 U CN204313523 U CN 204313523U CN 201420636203 U CN201420636203 U CN 201420636203U CN 204313523 U CN204313523 U CN 204313523U
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Abstract
The utility model discloses a kind of mixing heat radiating type thermoelectric cooling and heat integrated apparatus, comprise: inside has the device body of storage cavities, its periphery is provided with heat-insulation layer, and the gap between body outer wall forms heat exchanging interlayer, this interlayer is divided into two cavitys by dividing plate, and is connected with the pump for pumping heat exchange liquid respectively; The second heat exchanger being arranged on this external First Heat Exchanger and being arranged in storage cavities, two cavitys of two heat exchangers, separation and pump form the closed circuit of heat accumulation liquid; And thermoelectric slice, its one end attaches and is arranged in First Heat Exchanger outside wall surface, thus can the heat of generation or cold be delivered on First Heat Exchanger, and and then carry out heat exchange by the heat exchange liquid flowed in this First Heat Exchanger and when flowing through the second heat exchanger by its heat exchange in storage cavities, realize refrigeration or heat.Device of the present utility model can realize heating refrigerating integrated efficiently.
Description
Technical field
The utility model belongs to semiconductor thermoelectric chip technology field, is specifically related to a kind of cooling and warming integrated apparatus based on thermoelectric slice.
Background technology
Current semiconductor thermoelectric sheet (also claiming cooling piece) is used to small-sized refrigerating field just more and more widely, as Mobile portable refrigerator, and small test cooling bench etc.It mainly make use of P, N-type semiconductor when current flowing, and Nodes can produce Peltier effect, thus makes the node temperature decline heat absorption of end from N to P, becomes cold junction; And the node temperature of end raises heat release from P to N, become hot junction.By N, P-type semiconductor periodic arrangement, and its cold junction and hot junction are encapsulated respectively facing one direction afterwards namely can be made into and can simultaneously freeze, the thermoelectric slice of one side heat production.
Because the cold and hot end of thermoelectric slice determined due to direction of current flow, when the sense of current changes, heat production end originally will become refrigeration end, and refrigeration end originally becomes heat production end, and the heat production principle of thermoelectric slice is different with conventional, electric-resistance energising heat production, the origin of heat that its hot junction produces is in the heat production of self-resistance under the function of current and the heat carried from cold junction by electronics, the efficiency of thermoelectric slice hot junction heat production is made to be greater than 1, thus become a kind of desirable mode of heating, this provides good solution or approach for cooling and warming integration.
But realized refrigeration and heated integration to there is larger problem in actual applications by thermoelectric slice, the effect of its cooling and warming and efficiency are not fine, and this is technical barrier urgently to be resolved hurrily in the industry at present.Specifically, on the one hand, due to the characteristic of thermoelectric slice self, what its refrigerating efficiency was subject to the cold and hot two ends temperature difference affects highly significant, when the two ends temperature difference is very little, common thermoelectric slice refrigerating efficiency can reach more than 0.6, and after the two ends temperature difference strengthens, its refrigerating efficiency will significantly decline.Therefore when freezing, need in time the heat that hot junction produces to be taken away, less to ensure cold warm end temperature difference, thus ensure refrigeration.In addition on the one hand, owing to having heat-production functions simultaneously, the type of cooling adopted when freezing is made to need the impact simultaneously taken into account when heating.Thermoelectric cooling product traditional at present only adopts simple wind-cooling heat dissipating mode, hot-side heat dissipation effect is unsatisfactory, when particularly heating due to heat radiation when the structure of cooling and warming integration makes current heat radiation cannot meet refrigeration simultaneously, also the demand of cold taken away by needs, cannot meet exchange and the circulation requirement of cooling and warming simultaneously
Utility model content
For above defect or the Improvement requirement of prior art, the utility model provides a kind of mixing heat radiating type thermoelectric cooling to heat integrated apparatus, it is by arranging hydronic heat exchange loop and utilizing ultrasonic atomizatio and airflow radiating means, thus realizes heating refrigerating integrated efficiently.
According to the utility model, for achieving the above object, its concrete technical scheme adopted is as follows:
A kind of mixing heat radiating type thermoelectric cooling heats integrated apparatus, and it realizes the integration of cooling and warming based on thermoelectric slice, it is characterized in that, this device comprises:
Inside has the device body of storage cavities, its periphery is provided with heat-insulation layer, and the gap between this heat-insulation layer and body outer wall forms heat exchanging interlayer, for the interlayer flowed as heat exchange liquid, and this interlayer is divided into two cavitys by dividing plate, and be connected with the pump for pumping heat exchange liquid respectively;
The second heat exchanger being arranged on described external First Heat Exchanger and being arranged in described storage cavities, the outlet of wherein said First Heat Exchanger and the entrance of the second heat exchanger pass through pipeline connection, and this First Heat Exchanger entrance is communicated with the first cavity in described two cavitys and the outlet of the second heat exchanger is communicated with the second cavity in described two cavitys, thus described two heat exchangers, two cavitys of separation and described pump is made to form the closed circuit of heat accumulation liquid; And
Thermoelectric slice, its one end attaches and is arranged in described First Heat Exchanger outside wall surface, after energising, freeze or heat in this one end, thus can the heat of generation or cold be delivered on First Heat Exchanger, and and then carry out heat exchange by the heat exchange liquid flowed in this First Heat Exchanger and when flowing through described second heat exchanger by its heat exchange to described storage cavities, realizing refrigeration or heating.
As improvement of the present utility model, the other end of described thermoelectric slice arranges radiator, this radiator comprises air channel, and the air port at these two ends, air channel is provided with fan, thus can produce air-flow take away for the heat described thermoelectric slice other end produced or cold in this air channel.
As improvement of the present utility model, the fan outer setting of one end, described air channel has atomizer, for atomizing water into fog, and enters radiator air passage to be taken away by the heat passing to described radiator at this end by thermoelectric slice with the air-flow that this fan is formed.
As improvement of the present utility model, the pipeline that described two heat exchangers are communicated with draws the check valve being provided with an automatic switch, its can suspend heating or refrigeration and pump stop pressurization time, be opened under the effect of external pressure, thus make the heat exchange liquid of the second heat exchanger inside can be back in connected cavity, and be closed when pump pressurizes, heat exchange liquid is flowed in the second heat exchanger again.
As improvement of the present utility model, described second heat exchanger periphery is provided with fan, for the heat radiation of this heat exchanger outside.
In the utility model, by power supply system dc source, pump is by the heat accumulation liquor pump on right side in liquid storage heat exchanging interlayer to left side, and pressurization makes liquid stream obtain the heat of thermoelectric slice lower end or cold through external heat exchanger.Heat accumulation liquid is heated or cooled interior storage cavities by fan through built-in heat exchanger again, and the right side finally by liquid storage heat exchanging interlayer is got back in pump and formed recuperated cycle.During refrigeration, controller controls thermoelectric slice lower end refrigeration, upper end heat production.The air-flow that the heat that upper end produces is formed by fan through radiator is taken away.And air-flow passes through spray chamber by entrance, the fog making water fogging generated mixing is brought in radiator strengthen radiating effect in spray chamber by ultrasonic atomizer.When heating, freeze in thermoelectric slice upper end, lower end heats, and cold is taken away by air-flow through upper heat sink, and heat passes to inner heat accumulation liquid through bottom external heat exchanger, then bring to box house thus experiment heats.Periodic duty flow process is with similar during refrigeration, and just atomizer does not work.Casing is wrapped up adiabatic by insulation material layer, temperature controls through controller by after sensor senses.When temperature departure design temperature scope, controller control system works, and quits work when temperature reaches setting range Time Controller control system.
In the utility model, described embedded liquid storage heat exchanging interlayer is divided into two cavitys in left and right by dividing plate, and two cavitys are connected with the import and export of pump respectively.Two cavitys are connected by pipeline in casing top with built-in heat exchanger and external heat exchanger, and the pump of bottom forms the closed circuit of heat accumulation liquid.Utilize convective heat transfer liquid ability to be better than gas and thermal capacitance comparatively large, the heat of cooling piece lower end or cold can be taken away rapidly, and heat or cold are stored in liquid storage heat exchanging interlayer.Heat or cold by wall with box house air generation heat trnasfer, and can be stored in heat accumulation liquid by the heat accumulation liquid in liquid storage heat exchanging interlayer.
In the utility model, the pipeline of described connection external heat exchanger is drawn the check valve of an automatic switch, make when system halt heating or refrigeration, pump stops pressurization, under the effect of external pressure, one-way valve opens, makes the liquid being positioned at external heat exchanger inside automatically can flow back to the right cavity of liquid storage heat exchanging interlayer.And when the system is operating, due to the pressurization of pump, making closed check valve, heat accumulation liquid flows in external heat exchanger again.Thus the heat avoided when system does not work in heat accumulation liquid or cold run off through thermoelectric slice and fin.
In the utility model, the chamber at described radiator and both sides fan and atomizer place, right side forms the airtight but air channel of left and right both ends open of surrounding.When freezing, atomizer atomizes water into fog, the heat passing to radiator by contact by thermoelectric slice upper end is taken away by the air-flow that fog becomes with fan-shaped, introduce the phase-change heat-exchange of water, enhance the heat transfer of spreader surface, reduce the temperature in cooling piece hot junction, improve refrigerating efficiency; When heating, atomizer does not work, and freezes to prevent radiator.
In the utility model, described thermoelectric slice utilizes the change of the sense of current, and the cool and heat ends of thermoelectric slice is exchanged, and in conjunction with above-mentioned circulation heat transfer system, thus realizes a casing and not only can freeze but also can heat.
In general, the above technical scheme conceived by the utility model compared with prior art, has following beneficial effect:
(1) atomising device is added at outside radiating part in device of the present utility model, through computational analysis, when freezing, the existence of atomizing humidifying performance process effectively can not only take away the temperature of spreader surface, the temperature of effective reduction thermoelectric slice upper end, improve the thermal efficiency, and can under the prerequisite realizing identical heat dissipation capacity, compare and air-cooledly can reduce thermal component size merely.
(2) the technical solution of the utility model efficiently solves box house heat exchange heat accumulation problem, liquid storage heat exchanging interlayer and liquid heat exchange material make the heat exchange of thermoelectric slice lower end strengthen, improve thermoelectric slice efficiency, strengthen the heat exchange of housing interior volume simultaneously, make to be heated in casing more even, compare traditional direct air heat transfer, heat-transfer effect obviously improves.
Accompanying drawing explanation
Fig. 1 is the structural representation heating integrated box according to the mixing heat radiating type thermoelectric cooling of the ultrasonic atomizatio constructed by the utility model embodiment.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.In addition, if below in described each embodiment of the utility model involved technical characteristic do not form conflict each other and just can mutually combine.
As shown in Figure 1, the mixing heat radiating type thermoelectric cooling of the ultrasonic atomizatio of the present embodiment heats integrated box, and it comprises the hollow box body surrounded by heat-insulation layer 5 and embedded liquid storage heat exchanging interlayer 6, and heat-insulation layer 5 plays the effect of heat-insulation and heat-preservation.Ac-dc switching power 19 and electrodynamic pump 9 are placed in casing outer lower side, and built-in heat exchanger 17 and fan are placed in above box house, and external heat exchanger 15, radiator 12, fan 11, thermoelectric slice 1 and ultrasonic atomizer 4 are placed in above casing outside.
Embedded liquid storage heat exchanging interlayer 6 is divided into two cavitys in left and right by dividing plate, and two cavitys are connected with the import and export of pump 9 respectively.Two cavitys are connected by pipeline in casing top with built-in heat exchanger and external heat exchanger, and the pump 9 of bottom forms the closed circuit of heat accumulation liquid.Utilize convective heat transfer liquid ability to be better than gas and thermal capacitance comparatively large, the heat of cooling piece lower end or cold can be taken away rapidly, and heat or cold are stored in liquid storage heat exchanging interlayer 6.Heat or cold by wall with box house air generation heat trnasfer, and can be stored in heat accumulation liquid by the heat accumulation liquid in liquid storage heat exchanging interlayer 6.The runner of definite shape can be designed in heat storage and exchange interlayer 6, guide the flowing of internal flow, avoid unnecessary fluid thermal convection current occurs in cavity.
The pipeline of connection external heat exchanger 15 is drawn the check valve 14 of an automatic switch, make when system halt heating or refrigeration, pump stops pressurization, under the effect of external pressure, check valve 14 is opened, and makes the liquid being positioned at external heat exchanger 15 inside automatically can flow back to the right cavity of liquid storage heat exchanging interlayer 6.And when the system is operating, due to the pressurization of pump, check valve 14 being closed, heat accumulation liquid flows in external heat exchanger 15 again.Thus the heat avoided when system does not work in heat accumulation liquid or cold run off through thermoelectric slice and fin.
Radiator 12 and the fan 11 of its both sides and the chamber at right side atomizer 4 place form the airtight but air channel of left and right both ends open of surrounding, and the import and export at two ends, air channel are respectively 2 and 13.When freezing, water 3 is atomized into fog by atomizer 4, the heat passing to radiator 12 by contact by thermoelectric slice 1 upper end is taken away by the air-flow that fog becomes with fan-shaped, thus introduce the phase-change heat-exchange of water, enhance the heat transfer of spreader surface, reduce the temperature in cooling piece hot junction, improve refrigerating efficiency; When heating, atomizer does not work, and freezes to prevent radiator 12.
Thermoelectric slice 1 utilizes the change of the sense of current, and the cool and heat ends of thermoelectric slice is exchanged, and in conjunction with said system, thus realizes a casing and not only can freeze but also can heat.
In this programme, by power supply 19 feed system dc source, pump 9 by liquid storage heat exchanging interlayer 6 right side heat accumulation liquor pump to left side, and pressurization make liquid stream obtain heat or the cold of thermoelectric slice 1 lower end through external heat exchanger 15.Heat accumulation liquid is heated or cooled interior storage cavities 7 by fan 16 through built-in heat exchanger 17 again, and the right side finally by liquid storage heat exchanging interlayer is got back in pump and formed recuperated cycle.During refrigeration, controller 10 controls thermoelectric slice 1 lower end refrigeration, upper end heat production.The air-flow that the heat that upper end produces is formed by fan 11 through radiator 12 is taken away.And air-flow by entrance 2 by spray chamber, mix to bring in radiator 12 strengthen radiating effect by water 3 being atomized generated fog by ultrasonic atomizer 4 in spray chamber.When heating, freeze in thermoelectric slice upper end, lower end heats, and workflow is with similar during refrigeration, and just atomizer does not work.Casing wraps up thermal insulation by insulation material layer 5, and temperature controls through controller 10 by after sensor 8 perception.It is characterized in that: thermoelectric slice 1 flows through the transformation in direction by electric current and cold and hot end is exchanged, thus realize not only can freezing but also can heat; Use ultrasonic atomizer 2 by air-flow humidification thus introduce phase-change heat-exchange on radiator 12 surface, strengthening radiating effect, making thermoelectric slice hot junction to be maintained relatively low temperature during refrigeration, thus improve thermoelectric slice refrigerating efficiency; When heating, the characteristic utilizing thermoelectric slice self thermal efficiency to be greater than 1, compares pure resistance mode of heating more energy-conservation; The embedded liquid storage heat exchange layer of casing, can strengthen heating or refrigeration in case, reduce controller start up system repeatedly; Comprehensive utilization gas, the heat convection of liquid and the phase-change heat-exchange of water, improve the cooling or heating effect of system.
Also found by theory analysis and experiment, in the program, gas and liquid contact heat transfer mode effectively can improve the effect of heat exchange, improve the operating efficiency of system.And the existence due to liquid storage heat exchanging interlayer makes the temperature consistency of casing better, and temperature fluctuation is less.Simultaneously can be directly integrally manufactured with external heat exchanger by the lower end of thermoelectric slice, allow heat accumulation liquid direct contact heat electricity sheet lower end, heat exchange efficiency can be improved further.
Those skilled in the art will readily understand; the foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection domain of the present utility model.
Claims (5)
1. mix heat radiating type thermoelectric cooling and heat an integrated apparatus, it realizes the integration of cooling and warming based on thermoelectric slice, it is characterized in that, this device comprises:
Inside has the device body of storage cavities, its periphery is provided with heat-insulation layer (5), and the gap between this heat-insulation layer (5) and body outer wall forms heat exchanging interlayer (6), for the interlayer flowed as heat exchange liquid, and this interlayer is divided into two cavitys by dividing plate, and be connected with the pump (9) for pumping heat exchange liquid respectively;
The second heat exchanger (17) being arranged on described external First Heat Exchanger (15) and being arranged in the storage cavities of described body, the outlet of wherein said First Heat Exchanger (15) and the entrance of the second heat exchanger (17) pass through pipeline connection, and this First Heat Exchanger (15) entrance is communicated with the first cavity in described two cavitys and the outlet of the second heat exchanger (17) is communicated with the second cavity in described two cavitys, thus described two heat exchangers, two cavitys of separation and described pump (9) is made to form the closed circuit of heat accumulation liquid; And
Thermoelectric slice (1), its one end attaches and is arranged in described First Heat Exchanger (15) outside wall surface, after energising, freeze or heat in this one end, thus the heat of generation or cold can be delivered on First Heat Exchanger (15), and and then carry out heat exchange by the heat exchange liquid of flowing in this First Heat Exchanger (15) and when flowing through described second heat exchanger (17) by its heat exchange to described storage cavities, realizing refrigeration or heating.
2. one mixing heat radiating type thermoelectric cooling according to claim 1 heats integrated apparatus, wherein, the other end of described thermoelectric slice (1) arranges radiator (12), this radiator (12) comprises air channel, and the air port at these two ends, air channel is provided with fan, thus air-flow can be produced takes away for the heat that described thermoelectric slice (1) other end is produced or cold in this air channel.
3. one mixing heat radiating type thermoelectric cooling according to claim 2 heats integrated apparatus, wherein, the fan outer setting of one end, described air channel has atomizer (4), for atomizing water into fog, and enter radiator air passage to be taken away by the heat passing to described radiator (12) at this end by thermoelectric slice (1) with the air-flow that this fan is formed.
4. the one mixing heat radiating type thermoelectric cooling according to any one of claim 1-3 heats integrated apparatus, wherein, the pipeline that described two heat exchangers are communicated with draws the check valve (14) being provided with an automatic switch, its can suspend heating or refrigeration and pump stop pressurization time, be opened under the effect of external pressure, thus make the heat exchange liquid of the second heat exchanger inside can be back in connected cavity, and be closed when pump pressurizes, heat exchange liquid is flowed in the second heat exchanger (17) again.
5. the one mixing heat radiating type thermoelectric cooling according to any one of claim 1-3 heats integrated apparatus, wherein, described second heat exchanger periphery is provided with fan (16), and the heat energy of the heat accumulation liquid of this second heat exchanger internal flow is passed to box house gas by the air-flow formed by this fan (16).
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| CN201420636203.5U CN204313523U (en) | 2014-10-29 | 2014-10-29 | A kind of mixing heat radiating type thermoelectric cooling heats integrated apparatus |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105180478A (en) * | 2015-07-22 | 2015-12-23 | 上海交通大学 | Solar water heater and thermoelectricity self-cooling device thereof |
| CN106387279A (en) * | 2016-10-19 | 2017-02-15 | 中山市立兴电器有限公司 | Ice cream making machine |
| CN108131862A (en) * | 2018-01-02 | 2018-06-08 | 湘潭大学 | A kind of high miniature thermoelectric refrigerator of security performance |
| CN110774858A (en) * | 2019-10-08 | 2020-02-11 | 宁波吉利汽车研究开发有限公司 | Vehicle auxiliary cooling and heating system and vehicle |
| CN114857801A (en) * | 2022-05-21 | 2022-08-05 | 臻迪科技股份有限公司 | Semiconductor temperature control auxiliary device applied to aircraft hangar and aircraft hangar |
| CN115177125A (en) * | 2022-07-19 | 2022-10-14 | 青岛海容商用冷链股份有限公司 | Semiconductor cold and hot display cabinet and control method thereof |
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2014
- 2014-10-29 CN CN201420636203.5U patent/CN204313523U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105180478A (en) * | 2015-07-22 | 2015-12-23 | 上海交通大学 | Solar water heater and thermoelectricity self-cooling device thereof |
| CN106387279A (en) * | 2016-10-19 | 2017-02-15 | 中山市立兴电器有限公司 | Ice cream making machine |
| CN108131862A (en) * | 2018-01-02 | 2018-06-08 | 湘潭大学 | A kind of high miniature thermoelectric refrigerator of security performance |
| CN108131862B (en) * | 2018-01-02 | 2020-09-04 | 湘潭大学 | Miniature thermoelectric refrigerator that security performance is high |
| CN110774858A (en) * | 2019-10-08 | 2020-02-11 | 宁波吉利汽车研究开发有限公司 | Vehicle auxiliary cooling and heating system and vehicle |
| CN114857801A (en) * | 2022-05-21 | 2022-08-05 | 臻迪科技股份有限公司 | Semiconductor temperature control auxiliary device applied to aircraft hangar and aircraft hangar |
| CN115177125A (en) * | 2022-07-19 | 2022-10-14 | 青岛海容商用冷链股份有限公司 | Semiconductor cold and hot display cabinet and control method thereof |
| CN115177125B (en) * | 2022-07-19 | 2024-03-22 | 青岛海容商用冷链股份有限公司 | Semiconductor cold and hot display cabinet and control method thereof |
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