CN220510097U - Battery pack and battery box with heat radiation structure - Google Patents
Battery pack and battery box with heat radiation structure Download PDFInfo
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- CN220510097U CN220510097U CN202321742320.5U CN202321742320U CN220510097U CN 220510097 U CN220510097 U CN 220510097U CN 202321742320 U CN202321742320 U CN 202321742320U CN 220510097 U CN220510097 U CN 220510097U
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- heat dissipation
- heat
- battery pack
- semiconductor refrigeration
- water
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- 230000005855 radiation Effects 0.000 title claims abstract description 11
- 230000017525 heat dissipation Effects 0.000 claims abstract description 74
- 238000005057 refrigeration Methods 0.000 claims abstract description 59
- 239000004065 semiconductor Substances 0.000 claims abstract description 44
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 90
- 230000003287 optical effect Effects 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 4
- 239000000428 dust Substances 0.000 abstract description 6
- 238000009423 ventilation Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000000084 colloidal system Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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Abstract
The utility model discloses a battery pack and a battery box with a heat radiation structure, wherein the battery pack with the heat radiation structure comprises a shell, a semiconductor refrigeration plate and a heat radiation assembly, wherein the shell is provided with an opening; the semiconductor refrigeration plate is arranged at the opening of the shell to form a closed cavity, and a plurality of single batteries are arranged in the cavity; the heat dissipation component is arranged on the shell and is positioned outside the cavity; the semiconductor refrigeration plate is provided with a refrigeration surface and a heat dissipation surface, the refrigeration surface is attached to the bottom surface of each single battery, and the heat dissipation assembly is used for dissipating heat of the heat dissipation surface to the outside of the shell. According to the technical scheme, the shell and the semiconductor refrigeration plate are sealed to form the closed cavity, so that the heat dissipation of the single battery is realized, the active heat dissipation can be realized, no ventilation opening is needed, the heat in the battery pack can be transferred to the outside, and the dust is prevented from entering.
Description
Technical Field
The utility model relates to the technical field of heat dissipation of battery packs, in particular to a battery pack with a heat dissipation structure and a battery box.
Background
The existing battery pack can generate heat in the working process, if the heat is not timely dissipated, the service life of the battery pack is easily shortened, but the heat dissipation structure of the existing battery pack is generally provided with a heat dissipation fan, the heat dissipation effect is poor, the battery pack is frequently used, and the service life is short. Meanwhile, the heat dissipation holes are generally arranged in the battery pack for heat dissipation, but dust easily flows into the battery pack due to the existence of the heat dissipation holes.
Disclosure of Invention
The utility model mainly aims to provide a battery pack and a battery box with a heat dissipation structure, which aim to automatically dissipate heat inside the battery pack to the outside and prevent dust from entering.
In order to achieve the above object, a battery pack with a heat dissipation structure according to the present utility model is used in an air conditioner room, and the battery pack with a heat dissipation structure includes:
a housing having an opening;
the semiconductor refrigeration plate is arranged at the opening of the shell to form a closed cavity, and a plurality of single batteries are arranged in the cavity; and
the heat dissipation assembly is arranged on the shell and positioned outside the cavity;
the semiconductor refrigeration plate is provided with a refrigeration surface and a heat dissipation surface, the refrigeration surface is attached to the bottom surface of each single battery, and the heat dissipation assembly is used for dissipating heat of the heat dissipation surface to the outside of the shell.
In this embodiment, the heat dissipation assembly includes a water tank, a water inlet pump, and a water outlet pump, where the water tank is attached to the heat dissipation surface;
the water tank is provided with a water bin, a water inlet and a water outlet, wherein the water inlet and the water outlet are communicated with the water bin, the water inlet is connected with the water inlet pump, and the water outlet is connected with the water outlet pump.
In this embodiment, the water tank is made of a thermally conductive metal.
In this embodiment, the water tank is provided with a plurality of heat dissipation columns in the sump.
In this embodiment, a semiconductor refrigeration assembly is disposed between every two adjacent single batteries, the semiconductor refrigeration assembly includes two semiconductor refrigeration sheets and a heat conduction assembly clamped between the two semiconductor refrigeration sheets, each semiconductor refrigeration sheet includes a cold end plate, a hot end plate and a semiconductor disposed between the hot end plate and the cold end plate, the cold end plate is attached to a side surface of the single battery, and the heat conduction assembly contacts with the refrigeration surface to cool the heat conduction assembly.
In this embodiment, the heat conducting component is one of a heat conducting colloid and a heat conducting plate.
In this embodiment, the battery pack further includes a temperature sensor and a control unit, where the temperature sensor is disposed in the cavity, and the temperature sensor is configured to detect a temperature of the cavity;
the control unit is connected with the water inlet pump, the water outlet pump and the temperature sensor, and controls the water inlet flow of the water inlet pump and the water outlet flow of the water outlet pump according to the temperature signal of the temperature sensor.
In this embodiment, the battery pack further includes an alarm, and the alarm is in signal connection with the temperature sensor through the control unit;
when the temperature detected by the temperature sensor is greater than a critical value, the control unit controls the alarm to send an alarm signal.
In this embodiment, the alarm signal is an acoustic signal or an optical signal.
The utility model also provides a battery box, which comprises a box body and a battery pack with a heat dissipation structure, wherein the battery pack is arranged in the box body in parallel;
the battery pack with a heat dissipation structure includes:
a housing having an opening;
the semiconductor refrigeration plate is arranged at the opening of the shell to form a closed cavity, and a plurality of single batteries are arranged in the cavity; and
the heat dissipation assembly is arranged on the shell and positioned outside the cavity;
the semiconductor refrigeration plate is provided with a refrigeration surface and a heat dissipation surface, the refrigeration surface is attached to the bottom surface of each single battery, and the heat dissipation assembly is used for dissipating heat of the heat dissipation surface to the outside of the shell.
The battery pack with the heat dissipation structure comprises a shell, a semiconductor refrigeration plate and a heat dissipation assembly, wherein the shell is provided with an opening; the semiconductor refrigeration plate is arranged at the opening of the shell to form a closed cavity, and a plurality of single batteries are arranged in the cavity; the heat dissipation component is arranged on the shell and is positioned outside the cavity; the semiconductor refrigeration plate is provided with a refrigeration surface and a heat dissipation surface, the refrigeration surface is attached to the bottom surface of each single battery, and the heat dissipation assembly is used for dissipating heat of the heat dissipation surface to the outside of the shell. So set up, through seal formation confined cavity between casing and the semiconductor refrigeration board, when realizing radiating to the battery cell like this, can realize initiatively radiating to need not to set up any vent, just can pass to outside with the inside heat of battery package, prevent that the dust from running in.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a battery pack with a heat dissipating structure according to an embodiment of the present utility model;
fig. 2 is a schematic diagram of a semiconductor refrigeration assembly according to an embodiment of a battery pack having a heat dissipation structure of the present utility model;
fig. 3 is a schematic diagram of a heat dissipating assembly according to an embodiment of the battery pack with a heat dissipating structure of the present utility model.
Reference numerals illustrate:
the achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be noted that, if directional indications (such as up, down, left, right, front, and rear … …) are included in the embodiments of the present utility model, the directional indications are merely used to explain the relative positional relationship, movement conditions, etc. between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are correspondingly changed.
In addition, if there is a description of "first", "second", etc. in the embodiments of the present utility model, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, if the meaning of "and/or" is presented throughout this document, it is intended to include three schemes in parallel, taking "a and/or B" as an example, including a scheme, or B scheme, or a scheme where a and B meet simultaneously. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.
The existing battery pack can generate heat in the working process, if the heat is not timely dissipated, the service life of the battery pack is easily shortened, but the heat dissipation structure of the existing battery pack is generally provided with a heat dissipation fan, the heat dissipation effect is poor, the battery pack is frequently used, and the service life is short. Meanwhile, the heat dissipation holes are generally arranged in the battery pack for heat dissipation, but dust easily flows into the battery pack due to the existence of the heat dissipation holes.
Referring to fig. 1 to 3, the present utility model provides a battery pack with a heat dissipation structure.
The battery pack with the heat dissipation structure comprises a shell 100, a semiconductor refrigeration plate 200 and a heat dissipation assembly, wherein the shell 100 is provided with an opening; the semiconductor refrigeration plate 200 is disposed at the opening of the housing 100 to form a closed cavity, and a plurality of unit cells 700 are disposed in the cavity; the heat dissipation component is arranged on the shell 100 and is positioned outside the cavity; the semiconductor refrigeration board 200 has a refrigeration surface 210 and a heat dissipation surface 220, the refrigeration surface 210 is attached to the bottom surface of each unit cell 700, and the heat dissipation component is used for dissipating the heat of the heat dissipation surface 220 to the outside of the housing 100.
Specifically, after the semiconductor refrigeration plate 200 is electrified, a refrigeration surface 210 and a heat dissipation surface 220 which are opposite can be formed, the temperature of the refrigeration surface 210 is low, and the temperature of the single battery 700 can be reduced by being attached to the single battery 700; the temperature of the radiating surface 220 is higher, the temperature of the radiating surface 220 is reduced through the radiating component to radiate, so that the temperature of the refrigerating surface 210 is lower, and the radiating component is ensured to absorb heat of the single battery 700. By sealing the case 100 and the semiconductor refrigeration plate 200 to form a closed cavity, the heat dissipation of the unit battery 700 can be realized, and meanwhile, the active heat dissipation can be realized, and the heat inside the battery pack can be transferred to the outside without any ventilation opening, so that dust is prevented from entering.
Referring to fig. l and fig. 3, in the present embodiment, the heat dissipating assembly includes a water tank 400, a water inlet pump 421 and a water outlet pump 431, and the water tank 400 is attached to the heat dissipating surface 220; the water tank 400 has a water tank 410, and a water inlet 420 and a water outlet 430 which are communicated with the water tank 410, wherein the water inlet 420 is connected with the water inlet pump 421, and the water outlet 430 is connected with the water outlet pump 431. Specifically, the cold water in the water tank 410 of the water tank 400 can cool the heat-conducting component 330, and when the heat-conducting component 330 is cooled by the cold water for a long time, the temperature of the cold water is gradually raised, so that the cold water in the water containing cavity needs to be replaced periodically to ensure continuous cooling of the semiconductor refrigeration plate 200. In this embodiment, the circulating water cooling and heat conducting component 330 is driven by controlling the water inlet pump 421 and the water outlet pump 431, so as to achieve the function of automatic cooling. Of course, in other embodiments, water in the water tank 400 may be manually replenished or drained.
To ensure that the water tank 400 can absorb heat of the semiconductor refrigeration panel 200, the water tank 400 is generally made of a heat conductive material, and in this embodiment, the water tank 400 is made of a heat conductive metal. To secure the heat conduction effect, the thickness of the bottom plate of the water tank 400 in contact with the semiconductor refrigeration panel 200 may be made thin, preferably between 0.5mm and 2 mm.
Referring to fig. l and 3, in the present embodiment, the water tank 400 is provided with a plurality of heat dissipation columns 411 in the water tank 4l 0. So set up, when the hydrologic cycle system of radiator unit dispels the heat, rivers contact heat dissipation post 411, and the water has increased the area of contact with heat dissipation post 411, has further improved hydrologic cycle system's heat dissipation function.
Referring to fig. l to 3, in the present embodiment, a semiconductor refrigeration assembly 300 is disposed between every two adjacent unit cells 700, the semiconductor refrigeration assembly 300 includes two semiconductor refrigeration sheets 310 and a heat conduction assembly 330 sandwiched between the two semiconductor refrigeration sheets 310, each semiconductor refrigeration sheet 310 includes a cold end plate 311, a hot end plate 312, and a semiconductor 320 disposed between the hot end plate 312 and the cold end plate 311, the cold end plate 311 is attached to a side surface of the unit cell 700, and the heat conduction assembly 330 contacts the refrigeration surface 210 to refrigerate the heat conduction assembly 330. Specifically, the semiconductor refrigeration sheets 310 are used for respectively radiating heat of the single battery 700, the muscle-increasing heat radiating surface 220 is better in heat radiating effect, the heat radiating speed is higher, and the heat conducting component 330 can quickly discharge high hot air flow between the hot end plates 312 of the two semiconductor refrigeration sheets 310 to the outside of the battery pack through contacting with the refrigeration surface 210 of the semiconductor refrigeration plate 200, so that active heat radiation is realized. Of course, the heat conducting component 330 may also extend out of the housing 100 and extend into the cold water in the water tank 400 for direct contact heat dissipation.
In this embodiment, the heat conducting component 330 is one of a heat conducting colloid or a heat conducting plate. The heat conducting component 330 may also adopt a heat pipe mode, wherein the heat pipe uses the heat conduction principle and the rapid heat transfer property of the phase change medium, and the heat of the heat generating object is rapidly transferred to the outside of the heat source through the heat pipe, and the heat conducting capability of the heat conducting component exceeds that of any known metal.
Referring to fig. l, in the present embodiment, the battery pack further includes a temperature sensor 500 and a control unit, the temperature sensor 500 is disposed in the cavity, and the temperature sensor 500 is configured to detect a temperature of the cavity; the control unit is connected with the water inlet pump 42l, the water outlet pump 43l and the temperature sensor 500, and controls the water inlet flow of the water inlet pump 42l and the water outlet flow of the water outlet pump 43l according to the temperature signal of the temperature sensor 500. So set up, through the temperature control water inlet pump 42l and the water outlet pump 43l that the control unit detected according to temperature sensor 500, can realize that the hydrologic cycle system adapts to the temperature variation in the casing 100 cavity voluntarily, can adjust the power of water inlet pump 42l and water outlet pump 43l according to different temperatures simultaneously, effective energy saving.
Referring to fig. l, in this embodiment, the battery pack further includes an alarm 600, and the alarm 600 is in signal connection with the temperature sensor 500 through the control unit; when the temperature detected by the temperature sensor 500 is greater than a critical value, the control unit controls the alarm 600 to emit an alarm signal. When the heat dissipation component cannot meet the requirement of heat dissipation in the battery pack, when the internal temperature of the battery pack continues to rise to exceed a critical value, the alarm 600 sends an alarm signal to enable personnel to pay attention, and the heat of the battery pack is rapidly dissipated by manually adjusting and increasing the power of the heat dissipation component to dissipate heat.
In this embodiment, the alarm signal is an acoustic signal or an optical signal. The optical signal may be an infrared light signal or an optical flashing light signal, and the acoustic signal may be a sound of "beep and beep", or the like.
The utility model also provides a battery box, which comprises the battery pack with the heat dissipation structure and a box body, wherein the battery packs are arranged in the box body in parallel. The battery box adopts all the technical schemes of all the embodiments, so that the battery box has all the beneficial effects brought by the technical schemes of the embodiments, and the description is omitted.
The foregoing description is only of the optional embodiments of the present utility model, and is not intended to limit the scope of the utility model, and all the equivalent structural changes made by the description of the present utility model and the accompanying drawings or the direct/indirect application in other related technical fields are included in the scope of the utility model.
Claims (10)
1. A battery pack having a heat dissipation structure, the battery pack comprising:
a housing having an opening;
the semiconductor refrigeration plate is arranged at the opening of the shell to form a closed cavity, and a plurality of single batteries are arranged in the cavity; and
the heat dissipation assembly is arranged on the shell and positioned outside the cavity;
the semiconductor refrigeration plate is provided with a refrigeration surface and a heat dissipation surface, the refrigeration surface is attached to the bottom surface of each single battery, and the heat dissipation assembly is used for dissipating heat of the heat dissipation surface to the outside of the shell.
2. The battery pack with a heat radiation structure according to claim 1, wherein the heat radiation assembly comprises a water tank, a water inlet pump and a water outlet pump, and the water tank is attached to the heat radiation surface;
the water tank is provided with a water bin, a water inlet and a water outlet, wherein the water inlet and the water outlet are communicated with the water bin, the water inlet is connected with the water inlet pump, and the water outlet is connected with the water outlet pump.
3. The battery pack having a heat dissipation structure as defined in claim 2, wherein the water tank is made of a heat conductive metal.
4. The battery pack with a heat dissipation structure as recited in claim 3, wherein the water tank is provided with a plurality of heat dissipation posts in the sump.
5. The battery pack with the heat radiation structure according to claim 2, wherein a semiconductor refrigeration assembly is arranged between every two adjacent single batteries, the semiconductor refrigeration assembly comprises two semiconductor refrigeration sheets and a heat conduction assembly clamped between the two semiconductor refrigeration sheets, each semiconductor refrigeration sheet comprises a cold end plate, a hot end plate and a semiconductor arranged between the hot end plate and the cold end plate, the cold end plate is attached to the side surface of the single battery, and the heat conduction assembly is contacted with the refrigeration surface to refrigerate the heat conduction assembly.
6. The battery pack with heat dissipation structure as recited in claim 5, wherein the heat conducting component is one of a heat conducting gel or a heat conducting plate.
7. The battery pack with the heat dissipation structure as set forth in claim 5, further comprising a temperature sensor provided in the cavity for detecting a temperature of the cavity, and a control unit;
the control unit is connected with the water inlet pump, the water outlet pump and the temperature sensor, and controls the water inlet flow of the water inlet pump and the water outlet flow of the water outlet pump according to the temperature signal of the temperature sensor.
8. The battery pack with the heat radiation structure according to claim 7, further comprising an alarm, wherein the alarm is in signal connection with the temperature sensor through the control unit;
when the temperature detected by the temperature sensor is greater than a critical value, the control unit controls the alarm to send an alarm signal.
9. The battery pack with a heat dissipation structure as recited in claim 8, wherein the alarm signal is an acoustic signal or an optical signal.
10. A battery box, characterized by comprising a box body and a battery pack with a heat dissipation structure as claimed in any one of claims l to 9, wherein the battery pack is arranged in parallel in the box body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321742320.5U CN220510097U (en) | 2023-07-04 | 2023-07-04 | Battery pack and battery box with heat radiation structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321742320.5U CN220510097U (en) | 2023-07-04 | 2023-07-04 | Battery pack and battery box with heat radiation structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220510097U true CN220510097U (en) | 2024-02-20 |
Family
ID=89875590
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321742320.5U Active CN220510097U (en) | 2023-07-04 | 2023-07-04 | Battery pack and battery box with heat radiation structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220510097U (en) |
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2023
- 2023-07-04 CN CN202321742320.5U patent/CN220510097U/en active Active
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