CN219832772U - Heat radiation structure for lithium battery module - Google Patents
Heat radiation structure for lithium battery module Download PDFInfo
- Publication number
- CN219832772U CN219832772U CN202320313005.4U CN202320313005U CN219832772U CN 219832772 U CN219832772 U CN 219832772U CN 202320313005 U CN202320313005 U CN 202320313005U CN 219832772 U CN219832772 U CN 219832772U
- Authority
- CN
- China
- Prior art keywords
- heat
- heat dissipation
- insulating shell
- lithium battery
- battery module
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 50
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 47
- 230000005855 radiation Effects 0.000 title abstract description 29
- 230000017525 heat dissipation Effects 0.000 claims abstract description 71
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 61
- 229910052802 copper Inorganic materials 0.000 claims abstract description 36
- 239000010949 copper Substances 0.000 claims abstract description 36
- 239000000463 material Substances 0.000 claims abstract description 29
- 239000004519 grease Substances 0.000 claims abstract description 15
- 229920001296 polysiloxane Polymers 0.000 claims abstract description 15
- 239000011889 copper foil Substances 0.000 claims description 25
- 229910052751 metal Inorganic materials 0.000 claims description 25
- 239000002184 metal Substances 0.000 claims description 25
- 239000000758 substrate Substances 0.000 claims description 22
- 238000000605 extraction Methods 0.000 claims description 21
- 238000001816 cooling Methods 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 7
- 238000010586 diagram Methods 0.000 description 4
- 235000011837 pasties Nutrition 0.000 description 3
- 239000011148 porous material Substances 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910000733 Li alloy Inorganic materials 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000001989 lithium alloy Substances 0.000 description 1
- 239000007773 negative electrode material Substances 0.000 description 1
- 239000011255 nonaqueous electrolyte Substances 0.000 description 1
- 239000007774 positive electrode material Substances 0.000 description 1
- 230000000191 radiation effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
-
- 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
Landscapes
- Secondary Cells (AREA)
Abstract
The utility model discloses a heat radiation structure for a lithium battery module, which relates to the technical field of battery heat radiation and comprises a main body, wherein the main body comprises an insulating shell, a battery compartment is arranged in the insulating shell, two ends of the insulating shell are provided with channel heat radiation devices, two sides of the insulating shell are provided with material heat radiation devices, one side, far away from the insulating shell, of the material heat radiation devices is provided with a module heat radiation device, and two sides of the interior of the insulating shell are provided with lithium batteries. According to the utility model, heat is extracted through the channel heat dissipation device, and the hall wind is formed in the battery compartment, so that the continuous heat dissipation is realized, the heat dissipation effect is obvious, the silicone grease multi-structure and material heat dissipation are filled through the material heat dissipation device, and the copper rods and the heat dissipation fins are simultaneously subjected to heat dissipation through the module heat dissipation device.
Description
Technical Field
The utility model relates to the technical field of battery heat dissipation, in particular to a heat dissipation structure for a lithium battery module.
Background
Lithium batteries are a type of battery using a nonaqueous electrolyte solution with lithium metal or a lithium alloy as a positive/negative electrode material. The chemical characteristics of lithium metal are very active, so that the processing, storage and use of the lithium metal have very high requirements on environment, and the use environment temperature of a lithium battery cannot be too high, and the danger is easy to occur at the too high temperature. The following problems exist in the prior art:
1. the existing lithium battery module often gathers a plurality of lithium batteries together, has poor heat dissipation and ventilation effects, is mostly not provided with a heat dissipation device, only depends on passive heat dissipation and natural air cooling heat dissipation, has poor heat dissipation effects, and is often used for a long time, and the service life is influenced by too high temperature;
2. the existing heat dissipation structure for the lithium battery module is poor in heat conductivity of materials, single in heat dissipation structure, free of heat conduction materials, capable of guiding heat out of the lithium battery module, easy to collect in temperature and easy to generate danger.
Disclosure of Invention
In order to solve the technical problems, the utility model adopts the following technical scheme:
the utility model provides a heat radiation structure for lithium battery module, includes the main part, the main part is including insulating shell, battery compartment has been seted up to the inside of insulating shell, the both ends of insulating shell are provided with passageway heat abstractor, the both sides of insulating shell are provided with material heat abstractor, one side that material heat abstractor kept away from the insulating shell is provided with module heat abstractor, the inside both sides of insulating shell are provided with the lithium cell, passageway heat abstractor is including taking out the heat passageway; the material heat dissipation device comprises a copper foil layer; the module heat dissipation device comprises a bottom plate.
The technical scheme of the utility model is further improved as follows: the heat extraction device comprises a heat extraction channel, wherein a fixing frame is arranged at two ends of the heat extraction channel and positioned on an insulating shell, a fixing frame is fixedly arranged on one side of the fixing frame, a driving motor is fixedly arranged in the middle of the fixing frame, and one end of the driving motor is connected with a first fan blade in an output mode.
The technical scheme of the utility model is further improved as follows: the inside of the fixed frame is connected with the heat extraction channel in a penetrating way.
The technical scheme of the utility model is further improved as follows: one side of copper foil layer is connected with the lithium cell, the opposite side and the insulating shell inner wall fixed connection of copper foil layer, the outside surface that the insulating shell corresponds the copper foil layer is provided with metal substrate, one side that the insulating shell was kept away from to metal substrate is provided with the heat-conducting plate, the inside of heat-conducting plate is provided with the silicone grease, one side that the metal substrate was kept away from to the heat-conducting plate and module heat abstractor fixed connection.
The technical scheme of the utility model is further improved as follows: the lithium battery is arranged on two sides of the inside of the insulating shell through copper foil layers.
The technical scheme of the utility model is further improved as follows: the heat-conducting module comprises a base plate, wherein a heat-conducting fin is fixedly arranged on one side of the base plate, the heat-conducting base is arranged at the bottom of the outer side surface of the insulating shell corresponding to the copper foil layer, a heat-conducting copper pipe is fixedly connected with one end of the insulating shell, far away from the heat-conducting base, a heat-conducting fan is fixedly connected with the heat-conducting base through the heat-conducting copper pipe, and the heat-conducting fan is arranged on one side of the heat-conducting fin.
The technical scheme of the utility model is further improved as follows: the cooling fan comprises a mounting shell, a copper rod is inserted in the mounting shell, the copper rod is connected with a heat conduction copper pipe through the bottom of the mounting shell, a motor is fixedly installed on one side of the copper rod, and a second fan blade is connected with the output of the motor.
By adopting the technical scheme, compared with the prior art, the utility model has the following technical progress:
1. the utility model provides a heat radiation structure for a lithium battery module, which is characterized in that under the combined action of a heat extraction channel of a channel heat radiation device, a fixed frame, a driving motor and first fan blades, the heat extraction channel is arranged in a battery compartment and is positioned between lithium batteries at two sides, the driving motor of the channel heat radiation device at two ends drives the first fan blades to extract heat in the heat extraction channel under the running fit of the first fan blades, and in addition, hall wind is formed in the battery compartment for continuous heat radiation, so that heat converged in the middle of the battery compartment can be well radiated, and the heat radiation effect is obvious.
2. The utility model provides a heat radiation structure for a lithium battery module, which is characterized in that under the combined action of a copper foil layer, a metal substrate and a heat conduction plate of a material heat radiation device, the copper foil layer has good heat conductivity, heat generated by a lithium battery is transmitted to the metal substrate through an insulating shell, metal also has good heat conductivity, the heat radiation structure for the lithium battery module can be reinforced, the metal substrate further transmits the heat to the heat conduction plate, the heat conduction plate is filled with the silicone grease which is a pasty heat interface material with good heat conductivity and most of non-conductivity, the silicone grease fills the pores of the part of the heat conduction plate to replace air with low heat conductivity, the reduction of heat resistance is realized, the heat conduction is enhanced, one side of the heat conduction plate far away from the metal substrate is fixedly connected with the module heat radiation device, and the heat can be further transmitted to the module heat radiation device, and the heat radiation structure and the material heat radiation are multi-structure.
3. The utility model provides a heat radiation structure for a lithium battery module, which is characterized in that under the combined action of a bottom plate, a heat radiation fin, a heat transfer base, a heat radiation fan, a heat conduction copper pipe, a mounting shell, a copper rod, a motor and a second fan blade of the module heat radiation device, the bottom plate is connected with the material heat radiation device and can transmit heat to the heat radiation fin, the heat transfer base guides out the heat of the lithium battery, is connected with the copper rod in the heat radiation fan through the heat conduction copper pipe, and the motor drives the second fan blade to rotate and can simultaneously radiate the heat of the copper rod and the heat radiation fin.
Drawings
Fig. 1 is a schematic structural view of a heat dissipation structure for a lithium battery module according to the present utility model;
FIG. 2 is a schematic diagram of a heat sink device according to the present utility model;
FIG. 3 is a schematic diagram of a material heat sink according to the present utility model;
FIG. 4 is a schematic diagram of a module heat dissipating device according to the present utility model;
fig. 5 is a schematic structural diagram of a heat dissipating fan according to the present utility model.
In the figure: 1. a main body; 2. a battery compartment; 3. a channel heat sink; 4. an insulating case; 5. a material heat sink; 6. a module heat sink; 7. a lithium battery; 31. a heat extraction channel; 32. a fixed frame; 33. a fixing frame; 34. a first fan blade; 35. a driving motor; 51. a copper foil layer; 52. a metal substrate; 53. a heat conductive plate; 54. silicone grease; 61. a bottom plate; 62. a heat sink; 63. a heat radiation fan; 64. a heat transfer base; 65. a heat conducting copper pipe; 631. a mounting shell; 632. a copper rod; 633. a second fan blade; 634. and a motor.
Detailed Description
The utility model is further illustrated by the following examples:
example 1
As shown in fig. 1-5, the utility model provides a heat dissipation structure for a lithium battery module, which comprises a main body 1, wherein the main body 1 comprises an insulating shell 4, a battery compartment 2 is arranged in the insulating shell 4, two ends of the insulating shell 4 are provided with channel heat dissipation devices 3, two sides of the insulating shell 4 are provided with material heat dissipation devices 5, one side of the material heat dissipation devices 5 far away from the insulating shell 4 is provided with a module heat dissipation device 6, and two sides of the interior of the insulating shell 4 are provided with lithium batteries 7.
Example 2
As shown in fig. 1-5, on the basis of embodiment 1, the present utility model provides a technical solution: preferably, the channel heat dissipation device 3 comprises a heat extraction channel 31, a fixed frame 32 is arranged at two ends of the heat extraction channel 31 and positioned on the insulating shell 4, a fixed frame 33 is fixedly arranged on one side of the fixed frame 32, a driving motor 35 is fixedly arranged in the middle of the fixed frame 33, one end of the driving motor 35 is output and connected with a first fan blade 34, and the inside of the fixed frame 32 is in through connection with the heat extraction channel 31.
In this embodiment, under the combined action of the heat extraction channel 31, the fixing frame 32, the fixing frame 33, the driving motor 35 and the first fan blades 34 of the channel heat dissipation device 3, the heat extraction channel 31 is arranged in the battery compartment 2 and is positioned between the lithium batteries 7 at two sides, the driving motor 35 of the channel heat dissipation device 3 at two ends drives the first fan blades 34 to extract heat in the heat extraction channel 31 under the running fit, and the hall wind is formed in the battery compartment 2 to continuously dissipate heat, so that heat collected in the middle of the battery compartment 2 can be well dissipated, and the heat dissipation effect is obvious.
Example 3
As shown in fig. 1-5, on the basis of embodiment 1, the present utility model provides a technical solution: preferably, the material heat dissipation device 5 comprises a copper foil layer 51, one side of the copper foil layer 51 is connected with the lithium battery 7, the other side of the copper foil layer 51 is fixedly connected with the inner wall of the insulating shell 4, the insulating shell 4 is provided with a metal substrate 52 corresponding to the outer side surface of the copper foil layer 51, one side of the metal substrate 52 away from the insulating shell 4 is provided with a heat conducting plate 53, the inside of the heat conducting plate 53 is provided with silicone grease 54, one side of the heat conducting plate 53 away from the metal substrate 52 is fixedly connected with the module heat dissipation device 6, and the lithium battery 7 is arranged on two sides of the inside of the insulating shell 4 through the copper foil layer 51.
In this embodiment, under the combined action of the copper foil layer 51, the metal substrate 52, the heat conducting plate 53 and the silicone grease 54 of the material heat dissipation device 5, the copper foil layer 51 has good heat conductivity, heat generated by the lithium battery 7 is transferred to the metal substrate 52 through the insulating shell 4, metal also has good heat conductivity, the heat dissipation structure for the lithium battery module can be reinforced, the metal substrate 52 further transfers the heat to the heat conducting plate 53, the silicone grease 54 is filled in the heat conducting plate 53, the silicone grease 54 is a pasty thermal interface material with good heat conductivity and high semi-non-conductivity, the silicone grease 54 fills the pores of the heat conducting plate 53 to replace low heat conductivity air, heat resistance is reduced, heat conduction is enhanced, one side of the heat conducting plate 53 far away from the metal substrate 52 is fixedly connected with the module heat dissipation device 6, the heat can be further transferred to the module heat dissipation device 6, and the heat dissipation structure and the material are multi-structure and good in heat dissipation effect.
Example 4
As shown in fig. 1-5, on the basis of embodiment 1, the present utility model provides a technical solution: preferably, the module heat dissipation device 6 includes a bottom plate 61, a heat dissipation plate 62 is fixedly installed on one side of the bottom plate 61, the module heat dissipation device 6 includes a heat transfer base 64, the heat transfer base 64 is disposed at the bottom of the insulating shell 4 corresponding to the outer side surface of the copper foil layer 51, one end of the insulating shell 4 far away from the heat transfer base 64 is fixedly connected with a heat conduction copper pipe 65, the heat transfer base 64 is fixedly connected with a heat dissipation fan 63 through the heat conduction copper pipe 65, the heat dissipation fan 63 is disposed at one side of the heat dissipation plate 62, the heat dissipation fan 63 includes a mounting shell 631, a copper rod 632 is inserted in the mounting shell 631, the copper rod 632 is connected with the heat conduction copper pipe 65 through the bottom of the mounting shell 631, a motor 634 is fixedly installed on one side of the copper rod 632, and the output of the motor 634 is connected with a second fan blade 633.
In this embodiment, under the combined action of the bottom plate 61, the heat radiating fin 62, the heat transfer base 64, the heat radiating fan 63, the heat conducting copper pipe 65, the mounting shell 631, the copper rod 632, the motor 634 and the second fan blade 633 of the module heat radiating device 6, the bottom plate 61 is connected with the material heat radiating device 5, heat can be transferred to the heat radiating fin 62, the heat conducting base 64 guides out the heat of the lithium battery 7 to be connected with the copper rod 632 in the heat radiating fan 63 through the heat conducting copper pipe 65, and the motor 634 drives the second fan blade 633 to rotate so as to radiate the heat of the copper rod 632 and the heat radiating fin 62.
The working principle of the heat dissipation structure for a lithium battery module will be described in detail.
As shown in fig. 1-5, under the combined action of the heat extraction channel 31, the fixed frame 32, the fixed frame 33, the driving motor 35 and the first fan blades 34 of the channel heat dissipation device 3, the heat extraction channel 31 is arranged in the battery compartment 2 and is positioned between the lithium batteries 7 at two sides, the driving motor 35 of the channel heat dissipation device 3 at two ends drives the first fan blades 34 to extract heat in the heat extraction channel 31 under the rotating fit, and the hall wind is formed in the battery compartment 2 to continuously dissipate heat, so that heat collected in the middle of the battery compartment 2 can be well dissipated, the heat dissipation effect is obvious, the copper foil layer 51 has good heat conductivity under the combined action of the copper foil layer 51, the metal substrate 52, the heat conduction plate 53 and the silicone grease 54 of the material heat dissipation device 5, the heat generated by the lithium batteries 7 is transferred to the metal substrate 52 through the insulating shell 4, and the metal also has good heat conductivity, the heat dissipation structure for the lithium battery module can be reinforced, the metal substrate 52 further transfers heat to the heat conduction plate 53, the heat conduction plate 53 is filled with silicone grease 54, the silicone grease 54 is a pasty thermal interface material which has good heat conductivity and is mostly non-conductive, the silicone grease 54 fills the pores of the heat conduction plate 53 part, the heat resistance is reduced instead of air with low heat conductivity, the heat conduction is enhanced, one side of the heat conduction plate 53 far away from the metal substrate 52 is fixedly connected with the module heat dissipation device 6, the heat can be further transferred to the module heat dissipation device 6, the heat is dissipated by multiple structures and materials, the heat dissipation effect is good, the bottom plate 61 of the module heat dissipation device 6 is connected with the material heat dissipation device 5 through the combined action of the bottom plate 61, the heat dissipation plate 62, the heat transfer base 64, the heat dissipation fan 63, the heat conduction copper pipe 65, the installation shell 631, the copper rod 632, the motor 634 and the second fan blade 633, the bottom plate 61 can be transferred to the heat dissipation plate 62, the heat conduction base 64 conducts heat of the lithium battery 7 out and is connected with the copper rod 632 in the cooling fan 63 through the heat conduction copper pipe 65, and the motor 634 drives the second fan blade 633 to rotate so as to simultaneously cool the copper rod 632 and the cooling fin 62.
The foregoing utility model has been generally described in great detail, but it will be apparent to those skilled in the art that modifications and improvements can be made thereto. Accordingly, it is intended to cover modifications or improvements within the spirit of the inventive concepts.
Claims (7)
1. A heat dissipation structure for a lithium battery module, comprising a main body (1), characterized in that: the main body (1) comprises an insulating shell (4), a battery compartment (2) is formed in the insulating shell (4), channel heat dissipation devices (3) are arranged at two ends of the insulating shell (4), material heat dissipation devices (5) are arranged at two sides of the insulating shell (4), a module heat dissipation device (6) is arranged at one side, far away from the insulating shell (4), of the material heat dissipation devices (5), lithium batteries (7) are arranged at two sides of the interior of the insulating shell (4), and the channel heat dissipation devices (3) comprise heat extraction channels (31); the material heat dissipation device (5) comprises a copper foil layer (51); the module heat sink (6) includes a base plate (61).
2. The heat dissipation structure for a lithium battery module according to claim 1, wherein: the heat extraction device is characterized in that fixing frames (32) are arranged at two ends of the heat extraction channel (31) and located on the insulating shell (4), one side of each fixing frame (32) is fixedly provided with a fixing frame (33), the middle of each fixing frame (33) is fixedly provided with a driving motor (35), and one end of each driving motor (35) is output and connected with a first fan blade (34).
3. The heat dissipation structure for a lithium battery module according to claim 2, wherein: the inside of the fixed frame (32) is connected with the heat extraction channel (31) in a penetrating way.
4. The heat dissipation structure for a lithium battery module according to claim 1, wherein: one side of copper foil layer (51) is connected with lithium cell (7), the opposite side and the insulating shell (4) inner wall fixed connection of copper foil layer (51), insulating shell (4) are provided with metal substrate (52) corresponding to the outside surface of copper foil layer (51), one side that insulating shell (4) was kept away from to metal substrate (52) is provided with heat-conducting plate (53), the inside of heat-conducting plate (53) is provided with silicone grease (54), one side that metal substrate (52) was kept away from to heat-conducting plate (53) and module heat abstractor (6) fixed connection.
5. The heat dissipation structure for a lithium battery module according to claim 4, wherein: the lithium battery (7) is arranged on two sides of the inside of the insulating shell (4) through the copper foil layer (51).
6. The heat dissipation structure for a lithium battery module according to claim 1, wherein: one side fixed mounting of bottom plate (61) has fin (62), module heat abstractor (6) is including heat transfer base (64), heat transfer base (64) set up the bottom at insulating shell (4) corresponding copper foil layer (51) outside surface, insulating shell (4) one end fixed connection heat conduction copper pipe (65) that heat transfer base (64) kept away from, heat transfer base (64) are through heat conduction copper pipe (65) fixedly connected with radiator fan (63), radiator fan (63) set up in one side of fin (62).
7. The heat dissipation structure for a lithium battery module according to claim 6, wherein: the cooling fan (63) comprises a mounting shell (631), a copper rod (632) is inserted in the mounting shell (631), the copper rod (632) is connected with the heat conduction copper pipe (65) through the bottom of the mounting shell (631), a motor (634) is fixedly arranged on one side of the copper rod (632), and a second fan blade (633) is connected with the output of the motor (634).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320313005.4U CN219832772U (en) | 2023-02-25 | 2023-02-25 | Heat radiation structure for lithium battery module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320313005.4U CN219832772U (en) | 2023-02-25 | 2023-02-25 | Heat radiation structure for lithium battery module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219832772U true CN219832772U (en) | 2023-10-13 |
Family
ID=88275439
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320313005.4U Active CN219832772U (en) | 2023-02-25 | 2023-02-25 | Heat radiation structure for lithium battery module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219832772U (en) |
-
2023
- 2023-02-25 CN CN202320313005.4U patent/CN219832772U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP1665448B1 (en) | Polymer batteries having thermal exchange apparatus | |
| CN113410538B (en) | Liquid cooling battery package structure of trompil foamed aluminum heat dissipation runner | |
| CN219832772U (en) | Heat radiation structure for lithium battery module | |
| CN212323077U (en) | Lithium battery with good heat dissipation performance | |
| CN218769754U (en) | Heat conduction and dissipation device for power battery of automobile | |
| CN116780038A (en) | Lithium battery protection board and lithium battery device with same | |
| CN218548552U (en) | Battery heat abstractor and large capacity group battery | |
| CN217589100U (en) | Battery module | |
| CN216597749U (en) | Power battery thermal management system | |
| CN211376703U (en) | Battery box capable of dissipating heat quickly | |
| JPH01186768A (en) | Electrode structure of electrolyte circulation type secondary battery | |
| CN211957702U (en) | Heat release explosion-proof lithium ion battery | |
| CN210576056U (en) | Battery case with heat dissipation function | |
| CN210379146U (en) | Battery box that radiating effect is good | |
| CN210671126U (en) | Electric radiator | |
| CN113206322A (en) | Air-cooled heat pipe composite heat dissipation structure of battery pack | |
| CN110993850A (en) | Battery box capable of dissipating heat quickly | |
| CN221352910U (en) | Top cover, battery and electricity utilization device | |
| CN218448105U (en) | Power lithium battery with strong heat dissipation performance | |
| CN219873177U (en) | High-temperature-resistant aluminum electrolytic capacitor | |
| CN219960318U (en) | Motor with good heat dissipation performance | |
| CN216451715U (en) | Air cooling and cold guiding combined heat dissipation type case structure | |
| CN219873710U (en) | Rear elevation sealing plate convenient for heat dissipation for metal product battery | |
| CN213124549U (en) | High energy density high voltage battery | |
| CN210246617U (en) | External radiating solar inverter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |