CN210110999U - Power battery heat radiation structure - Google Patents
Power battery heat radiation structure Download PDFInfo
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- CN210110999U CN210110999U CN201921451192.2U CN201921451192U CN210110999U CN 210110999 U CN210110999 U CN 210110999U CN 201921451192 U CN201921451192 U CN 201921451192U CN 210110999 U CN210110999 U CN 210110999U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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Abstract
The utility model provides a power battery heat radiation structure, including the heat dissipation case, be used for sealing the case lid of heat dissipation case, set up in a plurality of battery hold tank, air cooling module and heat pipe cooling module in the heat dissipation incasement. Compared with the prior art, the utility model, simple structure is reasonable, carries out the surface to the air cooling runner and makes a little, makes the air cooling gaseous turbulent state that changes into by laminar flow state, makes it absorb the heat of battery work, and then with the heat transfer of battery to the battery outside. The copper plate is utilized to increase the contact area between the heat pipe and the battery tab and the lower bottom of the battery, improve the heat transfer efficiency of the heat dissipation system, enable the temperature distribution of the battery to be more uniform, reduce the number of the heat pipes and reduce the cost.
Description
Technical Field
The utility model relates to an electric automobile and mixed automobile power battery heat dissipation field particularly, relates to a power battery heat radiation structure.
Background
Nowadays, electric vehicles and hybrid vehicles are receiving great social attention, but there are still obstacles such as battery explosion and the like to hinder the development of electric vehicles, wherein the safety problem of power batteries is more of a cause of the society's improvement of electric vehicles. The explosion of the power battery caused by high working temperature needs to design a set of perfect power battery heat dissipation system to keep the working temperature of the battery pack within a certain range and improve the heat dissipation performance of the power battery. The utility model provides a power battery cooling system based on air cooling, fan and many cooling methods of heat pipe carries out the micro-fabrication process in surface to the air cooling passageway and sets up the rectangle recess, makes the air cooling fluid change the turbulent flow into by the laminar flow, based on gaseous turbulent flow energy consumption that forms, then gaseous heat that need draw power battery production forms the turbulent flow to the power battery outside, and then reinforcing air cooling is to power battery's radiating effect. Secondly, the heat pipes are distributed above the lugs of the power battery and at the bottom of the battery, so that heat accumulated on the lugs when the power battery starts to work and heat accumulated on the bottom of the battery after long-time work are transferred to the outside.
Through mass search, a heat dissipation device in the prior art, such as a power battery module unit and a power battery module disclosed in the publication number CN104253289B, is found. The temperature of each power battery in the power battery module can be uniform, and the stable performance of the power batteries can be ensured. The four sides of conducting strip all are equipped with the frame, and the last plane processing of conducting strip has a plurality of circular blind holes, and the lateral wall of circular blind hole is fixed with the radial protruding shell fragment of metal, and the bottom in the circular blind hole is fixed with the protruding shell fragment of metal axial, is fixed with a plurality of bellied metal connection pieces on four frames of conducting strip, and the below of conducting strip is provided with a plurality of power battery, the lower plane and the anodal welding of a plurality of power battery of the conducting strip that a plurality of circular blind holes correspond. The utility model has the advantages of simple structure, the heat dissipation is even, stable performance and low cost, the utility model is used for the power battery heat dissipation. Or a heat sink for a power battery pack as disclosed in publication No. CN100527521C, comprising a heat collecting plate, a heat dissipating plate and a pump; the heat collecting plate is provided with a heat collecting plate channel, the heat radiating plate is provided with a heat radiating plate channel, one port of the heat collecting plate channel is connected with one port of the heat radiating plate channel, the other port of the heat collecting plate channel is connected with the liquid outlet end of the pump, and the other port of the heat radiating plate channel is connected with the liquid inlet end of the pump. The utility model discloses the power battery group who uses this heat abstractor is still provided. According to the utility model discloses a power battery group, in heat abstractor's use, the pump is with cooling liquid pump income thermal-arrest board passageway, and the heat in the thermal-arrest board is absorbed by cooling liquid, has absorbed during thermal cooling liquid flows into the heating panel passageway and gives off the heat in the heating panel, and the cooling after giving off the heat is again gone into thermal-arrest board passageway by the pump, consequently can give off the heat that the single cell produced effectively. Or a heat sink for a power battery pack as disclosed in publication No. CN100517860C, comprising a heat pipe and a heat collecting plate; the heat collecting plates comprise a bottom layer heat collecting plate and an upper layer heat collecting plate, holes are formed in the bottom layer heat collecting plate and the upper layer heat collecting plate, heat pipes are located in the holes of the bottom layer heat collecting plate and the upper layer heat collecting plate, and the heat pipes in the holes of the bottom layer heat collecting plate are communicated with the heat pipes in the holes of the upper layer heat collecting plate. The utility model discloses the power battery group who uses this heat abstractor is still provided. According to the utility model discloses a power battery group, in heat abstractor's use, because install the heat pipe in the hole of bottom heat collection plate and upper strata heat collection plate and the heat pipe in the hole of bottom heat collection plate is linked together with the heat pipe in the hole of upper strata heat collection plate, the heat pipe can give off the heat transfer in the upper strata heat collection plate bottom heat collection plate and in bottom heat collection plate, consequently can give off the heat that the single cell produced effectively.
In the existing research, the predecessor uses water cooling and phase change cooling to dissipate heat of the power battery, and the two ways can cause a series of problems. Firstly, utilize water-cooling heat dissipation, need provide the electric energy for the circulating pump and make its work, then can consume the battery internal energy. And secondly, the high latent heat performance of the phase-change material is utilized to transfer the heat of the power battery to the phase-change material, and when the battery is extruded or the phase-change material expands at high temperature, the phase-change material is in contact with the electrode of the power battery, so that the battery is short-circuited.
The power battery heat dissipation structure based on the air cooling, the fan and the heat pipe multiple cooling modes is simple in structure and even in heat dissipation, the heat dissipation performance of the power battery is enhanced, the problems can be well solved, and a simpler, more reasonable and feasible scheme is provided for heat dissipation of the power battery of the electric automobile.
SUMMERY OF THE UTILITY MODEL
The utility model provides a power battery heat dissipation structure to solve the problems,
in order to achieve the above purpose, the utility model adopts the following technical scheme:
a power battery heat dissipation structure comprises a heat dissipation box, a box cover used for sealing the heat dissipation box, a plurality of battery storage grooves arranged in the heat dissipation box, an air cooling flow channel, a flow channel groove, a plurality of straight heat pipes and a plurality of elbow heat pipes; the heat dissipation box is internally provided with a bottom plate for supporting the battery storage groove; the battery storage grooves are uniformly distributed in the heat dissipation box along the length direction of the heat dissipation box and are connected in the heat dissipation box, each battery storage groove is provided with a notch facing the box cover, and one end, without the notch, of each battery storage groove is connected with the bottom plate; the air cooling flow channel is a through groove which is positioned at two sides of the battery storage groove and penetrates through the heat dissipation box; the flow channel groove is rectangular and is arranged on the bottom plate in a manner of being matched with the air cooling flow channel; one part of the plurality of straight heat pipes is connected to the bottom plate, and the other part of the plurality of straight heat pipes is connected to the inside of the box cover; and one part of the plurality of elbow heat pipes is connected to the bottom plate, and the other part of the plurality of elbow heat pipes is connected to the inside of the box cover.
Furthermore, the heat dissipation structure also comprises heat dissipation fins, a heat dissipation fan and heat dissipation holes;
the radiating fins are connected to two sides of the radiating box, and the planes of the radiating fins are perpendicular to straight lines formed by connecting the battery storage grooves;
the heat dissipation fan is matched with the battery storage groove and arranged on one side of the heat dissipation box;
the heat dissipation holes are formed in the outer surfaces of the heat dissipation box and the box cover.
Further, connect in on the case lid the nozzle of straight heat pipe cup joints in power battery's battery utmost point ear periphery, connect in on the case lid the nozzle of elbow heat pipe cup joints in power battery's battery utmost point ear periphery, another nozzle of elbow heat pipe is towards the louvre of heat dissipation case.
Furthermore, a partition board is arranged between the two battery storage grooves, and the air cooling flow channel is arranged on two sides of the partition board.
The utility model discloses the beneficial technological effect who gains is:
1. the utility model has the advantages of simple and reasonable structure, dispel the heat through using many cooling methods, improve the radiating efficiency.
2. And performing surface micro-manufacturing on the air cooling runner to convert the air cooling gas from a laminar flow state to a turbulent flow state, so that the air cooling gas absorbs the heat generated by the operation of the battery and further transfers the heat of the battery to the outside of the battery.
3. The copper plate is utilized to increase the contact area between the heat pipe and the battery tab and the lower bottom of the battery, improve the heat transfer efficiency of the heat dissipation system, enable the temperature distribution of the battery to be more uniform, reduce the number of the heat pipes and reduce the cost.
Drawings
The invention will be further understood from the following description in conjunction with the accompanying drawings. The components in the figures are not necessarily to scale, emphasis instead being placed upon illustrating the principles of the embodiments. Like reference numerals designate corresponding parts throughout the different views.
Fig. 1 is a schematic structural diagram of a power battery heat dissipation structure according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of the high temperature bonding between the heat pipe and the copper plate according to one embodiment of the present invention;
fig. 3 is a schematic structural diagram of a heat dissipation box and a channel groove according to an embodiment of the present invention;
fig. 4 is a schematic view of a heat dissipation hole structure in one embodiment of the present invention;
fig. 5 is a schematic structural diagram of a battery storage tank according to an embodiment of the present invention.
Description of reference numerals: 1-a power battery; 2-air cooling flow channel; 3-a heat dissipation fan; 4-radiating fins; 5-a straight heat pipe; 6-elbow heat pipe; 7-heat dissipation holes; 8-a runner groove; 9-a heat dissipation box; 11-a battery tab; 12-a battery storage tank; 13-bottom plate.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly apparent, the present invention will be further described in detail with reference to the following embodiments thereof; it should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention. Other systems, methods, and/or features of the present embodiments will become apparent to those skilled in the art upon review of the following detailed description. It is intended that all such additional systems, methods, features and advantages be included within this description, be within the scope of the invention, and be protected by the accompanying claims. Additional features of the disclosed embodiments are described in, and will be apparent from, the detailed description that follows.
The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if there are terms such as "upper", "lower", "left", "right", etc., indicating directions or positional relationships based on those shown in the drawings, it is only for convenience of description and simplicity of description, but not for indicating or implying that the indicated device or component must have a specific direction, be constructed in a specific direction, and operate, and therefore the terms describing the positional relationships in the drawings are used for illustrative purposes only and are not to be construed as limitations of the present patent, and those skilled in the art can understand the specific meanings of the above terms according to specific situations.
The utility model relates to a power battery heat radiation structure, according to the following embodiment of the illustrated explanation of the attached drawing:
the first embodiment is as follows:
a power battery heat dissipation structure comprises a heat dissipation box 9, a box cover used for sealing the heat dissipation box 9, a plurality of battery storage grooves 12 arranged in the heat dissipation box 9, an air cooling runner 2, a runner groove 8, a plurality of straight heat pipes 5 and a plurality of elbow heat pipes 6; the heat dissipation box 6 is internally provided with a bottom plate 13 for supporting the battery storage groove 12; the battery storage grooves 12 are uniformly distributed in the heat dissipation box along the length direction of the heat dissipation box and are connected in the heat dissipation box, each battery storage groove is provided with a notch facing the box cover, and one end, without the notch, of each battery storage groove is connected with the bottom plate; the air cooling flow channel 2 is a through groove which is positioned at two sides of the battery storage groove and penetrates through the heat dissipation box; the flow channel groove 8 is rectangular and is arranged on the bottom plate 13 in a manner of being matched with the air cooling flow channel 2; one part of the plurality of straight heat pipes 5 is connected to the bottom plate, and the other part of the plurality of straight heat pipes 5 is connected to the inside of the box cover; and one part of the elbow heat pipes 6 is connected to the bottom plate, and the other part of the elbow heat pipes 6 is connected to the inside of the box cover.
The power cell 1 is a flat plate, such as a lithium battery, wherein the electrodes of the power cell 1 are integrated on one side, and include a positive electrode and a negative electrode, and are generally designed as a flat plate or a block, and the electrodes are disposed thereon, and the detailed analysis of the heat dissipation structure is focused below according to the position arrangement. Since the present embodiment does not focus on the improvement of the power battery 1, the structure of the power battery 1 will not be described in detail.
The heat dissipation structure also comprises heat dissipation fins 4, a heat dissipation fan 3 and heat dissipation holes 7;
the radiating fins 4 are connected to two sides of the radiating box 9, and the plane of the radiating fins 4 is perpendicular to the straight line formed by connecting the battery storage grooves 12;
the heat dissipation fan 3 is matched with the battery storage groove 12 and is arranged on one side of the heat dissipation box 9; the cooling fan 3 can be purchased directly on the market by a technician with the model searching function, and can be known by directly reading the technical specification of the searching function when needing to know the model of the equipment, so the cooling fan 3 is not described in detail.
The heat dissipation holes 7 are formed in the outer surfaces of the heat dissipation box 9 and the box cover.
Connect in on the case lid the nozzle of straight heat pipe 5 cup joints in power battery's battery utmost point ear 11 periphery, connect in on the case lid the nozzle of elbow heat pipe 6 cup joints in power battery's battery utmost point ear 11 periphery, another mouth of pipe of elbow heat pipe 6 orientation the louvre 7 of radiating box 9.
A partition board is arranged between the two battery storage grooves 12, and the air cooling flow channel 2 is arranged on two sides of the partition board.
The heat dissipation case 9 includes a battery separator.
The air cooling runner 2 runs through and sets up in power battery both sides, and air cooling runner 2 lower surface and battery hollow partition outer wall are provided with the runner recess 8 that is the rectangle through the little manufacturing process in surface. The radiating fins 4 are fixed at one end of the two outermost battery separators, and the battery storage groove 12 is arranged at the bottom of the radiating system. The copper plate is arranged above the power battery pack 1 in a penetrating mode, and part of the straight heat pipes 5 and the elbow heat pipes 6 are arranged in the area range of the tabs 11 of the power battery and are bonded to the surface of the copper plate through high-temperature glue. The copper plate is arranged below the battery storage groove 12 in a penetrating mode, the straight heat pipe 5 is arranged in the range of the bottom area of the power battery 1, and the straight heat pipe is bonded to the surface of the copper plate through high-temperature glue. The heat radiation fan 3 is disposed at the center of one side of the heat radiation system.
The air cooling flow channel 2 is arranged on two sides of the power battery 1 in a penetrating mode. The lower surface of the air cooling runner 2 and the outer wall of the battery separator are provided with rectangular runner grooves 8 through a surface micro-manufacturing process. The flow channel groove 8 can convert the introduced cooling gas from a laminar flow state to a turbulent flow state, and the gas needs to extract heat generated by the power battery to form turbulent flow based on energy consumption of turbulent flow formed by the gas, so that the gas flows to the outside of the power battery.
The radiating fins 4 are fixed on the outer walls of one ends of the two outermost battery separators.
The cooling fan 3 is arranged in the center of one side of the cooling system, and the rotating range of the cooling fan 3 is arranged in the distance between two adjacent air cooling runners 2. The flow of the air cooling fluid is accelerated by the heat radiation fan 3, thereby enhancing the heat radiation strength.
The copper pass through the setting respectively power battery utmost point ear 11 with power battery hold groove 12, and then with power battery 1 just begin to work the gathering the heat transfer of battery utmost point ear 11 to the copper, and with power battery 1 after working for a long time the gathering in power battery 1 in the heat transfer of below to the copper.
The part of the straight heat pipe 5 and the elbow heat pipe 6 are arranged in the area range of the power battery tab 11 and are bonded on the surface of the copper plate through high-temperature glue. The straight heat pipe 5 is arranged in the lower bottom area range of the power battery 1 and is bonded on the surface of the copper plate through high-temperature glue. The copper plate is fixedly bonded with the straight heat pipe 5 and the elbow heat pipe 6, so that heat generated by the power battery 1 is transferred to the outside.
The box cover, the lower bottom cover and the side walls of the heat dissipation structure are provided with the heat dissipation holes 7.
Example two:
a power battery heat dissipation structure comprises a heat dissipation box 9, a box cover used for sealing the heat dissipation box 9, a plurality of battery storage grooves 12 arranged in the heat dissipation box 9, an air cooling runner 2, a runner groove 8, a plurality of straight heat pipes 5 and a plurality of elbow heat pipes 6; the heat dissipation box 6 is internally provided with a bottom plate 13 for supporting the battery storage groove 12; the battery storage grooves 12 are uniformly distributed in the heat dissipation box along the length direction of the heat dissipation box and are connected in the heat dissipation box, each battery storage groove is provided with a notch facing the box cover, and one end, without the notch, of each battery storage groove is connected with the bottom plate; the air cooling flow channel 2 is a through groove which is positioned at two sides of the battery storage groove and penetrates through the heat dissipation box; the flow channel groove 8 is rectangular and is arranged on the bottom plate 13 in a manner of being matched with the air cooling flow channel 2; one part of the plurality of straight heat pipes 5 is connected to the bottom plate, and the other part of the plurality of straight heat pipes 5 is connected to the inside of the box cover; and one part of the elbow heat pipes 6 is connected to the bottom plate, and the other part of the elbow heat pipes 6 is connected to the inside of the box cover.
The power cell 1 is a flat plate, such as a lithium battery, wherein the electrodes of the power cell 1 are integrated on one side, and include a positive electrode and a negative electrode, and are generally designed as a flat plate or a block, and the electrodes are disposed thereon, and the detailed analysis of the heat dissipation structure is focused below according to the position arrangement. Since the present embodiment does not focus on the improvement of the power battery 1, the structure of the power battery 1 will not be described in detail.
The heat dissipation structure also comprises heat dissipation fins 4, a heat dissipation fan 3 and heat dissipation holes 7;
the radiating fins 4 are connected to two sides of the radiating box 9, and the plane of the radiating fins 4 is perpendicular to the straight line formed by connecting the battery storage grooves 12;
the heat dissipation fan 3 is matched with the battery storage groove 12 and is arranged on one side of the heat dissipation box 9; the cooling fan 3 can be purchased directly on the market by a technician with the model searching function, and can be known by directly reading the technical specification of the searching function when needing to know the model of the equipment, so the cooling fan 3 is not described in detail.
The heat dissipation holes 7 are formed in the outer surfaces of the heat dissipation box 9 and the box cover.
Connect in on the case lid the nozzle of straight heat pipe 5 cup joints in power battery's battery utmost point ear 11 periphery, connect in on the case lid the nozzle of elbow heat pipe 6 cup joints in power battery's battery utmost point ear 11 periphery, another mouth of pipe of elbow heat pipe 6 orientation the louvre 7 of radiating box 9.
A partition board is arranged between the two battery storage grooves 12, and the air cooling flow channel 2 is arranged on two sides of the partition board.
The heat dissipation case 9 includes a battery separator.
The air cooling runner 2 runs through and sets up in power battery both sides, and air cooling runner 2 lower surface and battery hollow partition outer wall are provided with the runner recess 8 that is the rectangle through the little manufacturing process in surface. The radiating fins 4 are fixed at one end of the two outermost battery separators, and the battery storage groove 12 is arranged at the bottom of the radiating system. The copper plate is arranged above the power battery pack 1 in a penetrating mode, and part of the straight heat pipes 5 and the elbow heat pipes 6 are arranged in the area range of the tabs 11 of the power battery and are bonded to the surface of the copper plate through high-temperature glue. The copper plate is arranged below the battery storage groove 12 in a penetrating mode, the straight heat pipe 5 is arranged in the range of the bottom area of the power battery 1, and the straight heat pipe is bonded to the surface of the copper plate through high-temperature glue. The heat radiation fan 3 is disposed at the center of one side of the heat radiation system.
The air cooling flow channel 2 is arranged on two sides of the power battery 1 in a penetrating mode. The lower surface of the air cooling runner 2 and the outer wall of the battery separator are provided with rectangular runner grooves 8 through a surface micro-manufacturing process. The flow channel groove 8 can convert the introduced cooling gas from a laminar flow state to a turbulent flow state, and the gas needs to extract heat generated by the power battery to form turbulent flow based on energy consumption of turbulent flow formed by the gas, so that the gas flows to the outside of the power battery.
The radiating fins 4 are fixed on the outer walls of one ends of the two outermost battery separators.
The cooling fan 3 is arranged in the center of one side of the cooling system, and the rotating range of the cooling fan 3 is arranged in the distance between two adjacent air cooling runners 2. The flow of the air cooling fluid is accelerated by the heat radiation fan 3, thereby enhancing the heat radiation strength.
The copper pass through the setting respectively power battery utmost point ear 11 with power battery hold groove 12, and then with power battery 1 just begin to work the gathering the heat transfer of battery utmost point ear 11 to the copper, and with power battery 1 after working for a long time the gathering in power battery 1 in the heat transfer of below to the copper.
The part of the straight heat pipe 5 and the elbow heat pipe 6 are arranged in the area range of the power battery tab 11 and are bonded on the surface of the copper plate through high-temperature glue. The straight heat pipe 5 is arranged in the lower bottom area range of the power battery 1 and is bonded on the surface of the copper plate through high-temperature glue. The copper plate is fixedly bonded with the straight heat pipe 5 and the elbow heat pipe 6, so that heat generated by the power battery 1 is transferred to the outside.
The box cover, the lower bottom cover and the side walls of the heat dissipation structure are provided with the heat dissipation holes 7.
Preferably, the heat dissipation box 9 is any one of an aluminum alloy box, a cold-rolled plate box, a hot-rolled plate box and a polymer box.
Preferably, a plurality of handles are further mounted on the outer wall surface of the box body of the heat dissipation box 9, so that the heat dissipation system of the power battery pack can be conveniently moved.
Preferably, the battery storage tank 12 is made of any one of aluminum alloy, cold-rolled sheet, hot-rolled sheet, and polymer sheet. And fixing a plurality of matched power batteries through the battery storage groove 12 to obtain a power battery pack.
Preferably, the power battery 1 installed in the battery storage tank 12 is one of a polymer soft package, a ternary lithium ion cylinder, a square aluminum shell, a lithium iron phosphate cylinder, a square aluminum shell, and the like.
Preferably, the heat collecting part (not shown in the figure) comprises a first bottom plate and a plurality of first grid plates, the first bottom plate is horizontally arranged, the first grid plates extend upwards from the first bottom plate, the first grid plates are perpendicular to the surface of the first bottom plate, first plug holes (not shown in the figure) are formed in the first grid plates, the heat conducting part is inserted into the first plug holes, the first grid plates abut against the lower surface of the power battery pack mounting box, a large amount of heat generated by the power battery pack can be prevented from having no convection space, heat moving is facilitated by means of gaps of the first grid plates, and in entering the first grid plate forming space, the contact area between the heat and the heat collecting part is increased, and the heat collecting effect is improved.
Preferably, the heat sink (not shown) includes a second bottom plate and a plurality of second grid plates, the second grid plates extend inward from the surface of the second bottom plate and are perpendicular to the inner surface of the second bottom plate, second insertion holes (not shown) are formed in the second grid plates, the other ends of the heat conducting members are inserted into the second insertion holes, and the fan is detachably mounted on the outer surface of the second bottom plate.
Preferably, the heat collecting member and/or the heat dissipating member is an aluminum profile. The aluminum profile has the characteristics of good heat conduction effect and difficulty in corrosion.
Preferably, the heat conducting member is any one of a wire mesh structure copper pipe, a fiber structure copper pipe, and a groove structure copper pipe. The copper pipes with the structures have good heat conduction effects, and can quickly conduct heat collected by the heat collection part to the heat dissipation part.
According to the power battery heat dissipation structure, on one hand, heat generated by the power battery pack is conducted to the position near the fan through the heat conduction element, and the heat of the power battery pack can be timely dissipated to the outside of the box body under the action of the fan, so that the temperature of the power battery pack is effectively reduced, the power battery is guaranteed to work at a relatively constant temperature, and the service efficiency and the service life of the battery are improved; on the other hand, because of the existence of the heat dissipation assembly, the power battery pack can be completely and hermetically installed in the power battery pack installation box, dust or moisture is effectively prevented from entering the battery pack, and the safety of the battery pack is improved.
To sum up, the utility model provides a power battery heat radiation structure compares with prior art, the utility model has the advantages of simple and reasonable structure, carry out the surface to the air cooling pipeline and make a little, make the air cooling gaseous turbulent state that is changed into by laminar flow state, make its heat that absorbs battery work, and then with the heat transfer of battery to the battery outside. The copper plate is utilized to increase the contact area between the heat pipe and the battery tab and the lower bottom of the battery, improve the heat transfer efficiency of the heat dissipation system, enable the temperature distribution of the battery to be more uniform, reduce the number of the heat pipes and reduce the cost.
Although the invention has been described above with reference to various embodiments, it should be understood that many changes and modifications may be made without departing from the scope of the invention. That is, the methods, systems, and devices discussed above are examples. Various configurations may omit, substitute, or add various procedures or components as appropriate. For example, in alternative configurations, the methods may be performed in an order different than that described, and/or various components may be added, omitted, and/or combined. Moreover, features described with respect to certain configurations may be combined in various other configurations, as different aspects and elements of the configurations may be combined in a similar manner. Further, elements therein may be updated as technology evolves, i.e., many elements are examples and do not limit the scope of the disclosure or claims.
Specific details are given in the description to provide a thorough understanding of the exemplary configurations including implementations. However, configurations may be practiced without these specific details, e.g., well-known circuits, processes, algorithms, structures, and techniques have been shown without unnecessary detail in order to avoid obscuring the configurations. This description provides example configurations only, and does not limit the scope, applicability, or configuration of the claims. Rather, the foregoing description of the configurations will provide those skilled in the art with an enabling description for implementing the described techniques. Various changes may be made in the function and arrangement of elements without departing from the spirit or scope of the disclosure.
It is intended that the foregoing detailed description be regarded as illustrative rather than limiting, and that it be understood that it is the following claims, including all equivalents, that are intended to define the spirit and scope of this invention. The above examples are to be understood as merely illustrative of the present invention and not as limiting the scope of the invention. After reading the description of the present invention, the skilled person can make various changes or modifications to the present invention, and these equivalent changes and modifications also fall within the scope of the present invention defined by the claims.
Claims (4)
1. A power battery heat dissipation structure is characterized by comprising a heat dissipation box (9), a box cover used for sealing the heat dissipation box (9), a plurality of battery storage grooves (12) arranged in the heat dissipation box (9), an air cooling flow channel (2), a flow channel groove (8), a plurality of straight heat pipes (5) and a plurality of elbow heat pipes (6); the heat dissipation box (9) is internally provided with a bottom plate (13) for supporting the battery storage groove (12); the battery storage grooves (12) are uniformly distributed in the heat dissipation box along the length direction of the heat dissipation box and are connected in the heat dissipation box, each battery storage groove is provided with a notch facing the box cover, and one end, without the notch, of each battery storage groove is connected with the bottom plate; the air cooling flow channel (2) is a through groove which is positioned at two sides of the battery storage groove and penetrates through the heat dissipation box; the flow channel groove (8) is rectangular and is arranged on the bottom plate (13) in a manner of being matched with the air cooling flow channel (2); a plurality of the straight heat pipes (5), one part of which is connected to the bottom plate, and the other part of which is connected to the inside of the box cover; and one part of the elbow heat pipes (6) is connected to the bottom plate, and the other part of the elbow heat pipes is connected to the inside of the box cover.
2. A power battery heat dissipation structure as defined in claim 1, wherein the heat dissipation structure further comprises heat dissipation fins (4), heat dissipation fans (3), heat dissipation holes (7);
the radiating fins (4) are connected to two sides of the radiating box (9), and the plane where the radiating fins (4) are located is perpendicular to a straight line formed by connecting the battery storage grooves (12);
the heat dissipation fan (3) is matched with the battery storage groove (12) and is arranged on one side of the heat dissipation box (9);
the heat dissipation holes (7) are formed in the outer surfaces of the heat dissipation box (9) and the box cover.
3. The power battery heat dissipation structure of claim 1, wherein the pipe orifice of the straight heat pipe (5) connected to the case cover is sleeved on the periphery of the battery tab (11) of the power battery, the pipe orifice of the elbow heat pipe (6) connected to the case cover is sleeved on the periphery of the battery tab (11) of the power battery, and the other pipe orifice of the elbow heat pipe (6) faces the heat dissipation hole (7) of the heat dissipation case (9).
4. A power battery heat dissipation structure as defined in claim 1, wherein a partition is provided between the two battery storage tanks (12), and the air cooling flow passage (2) is provided on both sides of the partition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921451192.2U CN210110999U (en) | 2019-09-03 | 2019-09-03 | Power battery heat radiation structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN111367381A (en) * | 2020-03-31 | 2020-07-03 | 广东金宇恒软件科技有限公司 | Emergency protection system for public financial people large budget online networking monitoring system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111367381A (en) * | 2020-03-31 | 2020-07-03 | 广东金宇恒软件科技有限公司 | Emergency protection system for public financial people large budget online networking monitoring system |
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