CN218039442U - Liquid cooling battery case and battery package - Google Patents
Liquid cooling battery case and battery package Download PDFInfo
- Publication number
- CN218039442U CN218039442U CN202222316348.4U CN202222316348U CN218039442U CN 218039442 U CN218039442 U CN 218039442U CN 202222316348 U CN202222316348 U CN 202222316348U CN 218039442 U CN218039442 U CN 218039442U
- Authority
- CN
- China
- Prior art keywords
- liquid
- battery
- cooled
- cooling
- case
- 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
Images
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
Abstract
The utility model discloses a liquid cooling battery case and battery package, it includes: the liquid cooling box body is internally provided with a liquid cooling cavity, the side wall of the liquid cooling box body is provided with a liquid inlet and a liquid outlet, the liquid inlet and the liquid outlet are communicated with the liquid cooling cavity and the outside, and the outer wall of the liquid cooling box body is provided with a heat conducting surface for transferring heat; the battery box body is arranged on the heat conducting surface, and a containing cavity for containing a battery pack is formed in the battery box body. The battery pack is placed in a receiving cavity of a battery case, and the battery case is mounted on the heat-conducting surface. And cooling liquid is poured into the liquid cooling cavity through the liquid inlet, and the cooling liquid in the liquid cooling cavity is guided out through the liquid outlet. The heat generated by the battery pack can be continuously taken away by the continuously flowing cooling liquid in the liquid cooling cavity, so that the battery pack is cooled. Because the liquid cooling chamber is kept apart with accomodating the chamber each other, stopped the possibility of coolant liquid and group battery contact, can avoid the coolant liquid seepage to lead to the insulating bad problem of short circuit of group battery.
Description
Technical Field
The utility model relates to an energy storage equipment field, concretely relates to liquid cooling battery case and battery package.
Background
During the operation of the battery pack, a part of electric energy is converted into heat, so that the temperature of the battery pack is rapidly increased. In order to cool down the battery pack, the battery pack is cooled down by means of liquid cooling.
The existing liquid-cooled battery pack can be referred to in patent with application number CN201710199100.5, the liquid-cooled plate of the battery pack is placed on the tray of the battery pack by adopting an independent liquid-cooled plate, or the battery tray is integrated with the liquid-cooled plate, but a welding seam or a liquid-cooled joint sealed by the liquid-cooled plate exists in the general battery pack. If the welding seam or the liquid cooling joint sealed by the liquid cooling plate exists in the battery pack, the leakage inside the battery pack can be caused due to the instability of the welding process, the aging of a joint sealing ring and other problems, and the risk of short circuit of the battery pack can be caused.
Therefore, how to avoid the leakage of the cooling liquid to cause the poor insulation and short circuit of the battery pack is an urgent technical problem to be solved.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome above-mentioned technique not enough, provide a liquid cooling battery case and battery package, solve among the prior art coolant liquid seepage can lead to the insulating bad and technical problem of short circuit of group battery.
In order to achieve the technical purpose, the technical scheme of the utility model include a liquid cooling battery case, it includes:
the liquid cooling box body is internally provided with a liquid cooling cavity, the side wall of the liquid cooling box body is provided with a liquid inlet and a liquid outlet, the liquid inlet and the liquid outlet are communicated with the liquid cooling cavity and the outside, and the outer wall of the liquid cooling box body is provided with a heat conducting surface for transferring heat;
the battery box body is arranged on the heat conducting surface, and a containing cavity for containing a battery pack is formed in the battery box body.
Preferably, the liquid-cooled box further comprises a support beam, and the support beam is located in the liquid-cooled chamber to support the battery box.
Preferably, the supporting beams are two, the two supporting beams are respectively arranged on the two sections of the liquid cooling cavity, a flow guide channel is arranged in the supporting beam, and a plurality of flow guide ports communicated with the flow guide channel and the liquid cooling cavity are formed in the side wall of the supporting beam.
Preferably, the battery box body includes base shell and baffle, have in the base shell accomodate the chamber, just the base shell lateral wall seted up the intercommunication external with accomodate the access hole in chamber, baffle detachable install in the base shell is in order to shield the access hole.
Preferably, the outer wall of the liquid cooling box body is also provided with a mounting push handle.
Preferably, a plurality of box connecting holes are formed in the periphery of the battery box body, a plurality of box matching holes in one-to-one correspondence with the box connecting holes are formed in the periphery of the liquid cooling box body, and the liquid cooling box body and the battery box body are connected through bolts penetrating through the box connecting holes and the box matching holes.
Preferably, the bottom end of the battery box body is provided with a heat conduction rubber mat which is attached to the heat conduction surface.
Preferably, the outer wall of the liquid cooling box body is provided with a plurality of hoisting grooves.
Preferably, the liquid cooling battery case further comprises a sealing gasket, and the sealing gasket is arranged between the liquid cooling box body and the battery box body.
A battery pack is provided with the above liquid-cooled battery case.
Compared with the prior art, the beneficial effects of the utility model include: the battery pack is placed in a receiving cavity of a battery case, and the battery case is mounted on the heat-conducting surface. And cooling liquid is poured into the liquid cooling cavity through the liquid inlet, and the cooling liquid in the liquid cooling cavity is guided out through the liquid outlet. The heat generated by the battery pack can be continuously taken away by the continuously flowing cooling liquid in the liquid cooling cavity, so that the battery pack is cooled. Because the liquid cooling chamber is kept apart with accomodating the chamber each other, stopped the possibility of coolant liquid and group battery contact, can avoid the coolant liquid seepage to lead to the insulating bad short circuit of group battery.
Drawings
Fig. 1 is a schematic view of a liquid-cooled battery case according to an embodiment of the present invention;
fig. 2 is an exploded view of a liquid-cooled battery case according to an embodiment of the present invention;
fig. 3 is a schematic structural view of a liquid cooling box according to an embodiment of the present invention;
fig. 4 is an exploded view of the liquid cooling tank according to the embodiment of the present invention;
the liquid cooling device comprises a liquid cooling box body 100, a liquid cooling cavity 110, a liquid inlet 120, a liquid outlet 130, a supporting beam 140, a flow guide channel 141, a flow guide port 142, an installation push handle 150, a box body matching hole 160, a hoisting groove 170, a battery box body 200, a base shell 210, an access hole 212, a baffle 220, a heat conduction rubber gasket 240 and a sealing gasket 300.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
Can refer to fig. 1 to 4, the embodiment of the utility model provides a liquid cooling battery case, it belongs to the energy storage equipment field, and this liquid cooling battery case is used for placing the group battery to carry out cooling to the group battery. Because the battery pack and the cooling liquid in the liquid cooling battery case are in mutually independent spaces, the problem of short circuit caused by poor insulation of the battery pack due to leakage of the cooling liquid can be avoided.
In some embodiments, the liquid-cooled battery case includes a liquid-cooled box 100 and a battery box 200, wherein the liquid-cooled box 100 has a liquid-cooled cavity 110 therein, the side wall of the liquid-cooled box 100 is provided with a liquid inlet 120 and a liquid outlet 130, both the liquid inlet 120 and the liquid outlet 130 are communicated with the liquid-cooled cavity 110 and the outside, and the outer wall of the liquid-cooled box 100 has a heat-conducting surface for transferring heat; the battery case 200 is mounted on the heat-conducting surface, and a storage cavity (not shown) for storing the battery pack is provided in the battery case 200.
In the above embodiment, the battery pack is placed in the housing cavity (not labeled) of the battery case 200, and the battery case 200 is mounted on the heat conduction surface. The liquid-cooled chamber 110 is filled with cooling liquid through the liquid inlet 120, and the cooling liquid in the liquid-cooled chamber 110 is guided out through the liquid outlet 130. The continuous flow of the cooling fluid in the fluid-cooling chamber 110 continuously removes heat generated from the battery pack, thereby cooling the battery pack. Because the liquid cooling cavity 110 and the containing cavity (not marked in the figure) are mutually isolated, the possibility of contact between cooling liquid and the battery pack is avoided, and the problem of short circuit caused by poor insulation of the battery pack due to leakage of the cooling liquid can be avoided.
In some embodiments, the liquid-cooled enclosure 100 further includes support beams 140, the support beams 140 being positioned in the liquid-cooled chamber 110 to support the battery enclosure 200. Due to the existence of the liquid cooling chamber 110 in the liquid-cooled tank 100, a cavity structure exists in the liquid-cooled tank 100. The liquid-cooled tank 100 has a weak ability to bear external pressure, and the support beam 140 is located in the liquid-cooled chamber 110 to support the battery tank 200, so that the battery tank 200 can be effectively supported.
It is understood that there may be one or more support beams 140, and a designer may flexibly select an appropriate number of support beams 140 according to the specification and size of an actual battery pack.
On the basis of the above embodiment, referring to fig. 3 and fig. 4, two supporting beams 140 are provided, the two supporting beams 140 are respectively disposed on two sections of the liquid cooling chamber 110, a flow guiding channel 141 is provided in the supporting beam 140, and a plurality of flow guiding ports 142 communicating the flow guiding channel 141 and the liquid cooling chamber 110 are provided on a side wall of the supporting beam 140.
In the above embodiment, the support beams 140 at both ends of the liquid cooling chamber 110 can firmly support both ends of the battery case 200. In addition, the cooling liquid can enter the diversion channel 141 of the support beam 140 through the diversion port 142, so that the cooling liquid can flow in the diversion channel 141, and the support beam 140 of the design does not obstruct the flow of the cooling liquid, thereby preventing the flow of the cooling liquid from being obstructed.
In some preferred embodiments, the battery box 200 includes a base housing 210 and a baffle 220, the base housing 210 has a receiving cavity (not labeled), a sidewall of the base housing 210 is opened with an access hole 212 communicating with the outside and the receiving cavity (not labeled), and the baffle 220 is detachably mounted on the base housing 210 to shield the access hole 212.
In the above embodiment, when the battery pack in the battery box 200 needs to be repaired and maintained, the baffle 220 can be detached, so as to open the access opening 212, and an operator can perform a repairing operation on the battery pack in the storage cavity (not labeled in the figure) through the access opening 212. After the maintenance operation is completed, the baffle 220 can be installed on the base housing 210 again to shield the maintenance opening 212, thereby re-closing the storage cavity (not shown) and protecting the battery pack in the storage cavity (not shown).
In some preferred embodiments, the outer wall of the liquid cooling box 100 further has an installation push handle 150, and the installation push handle 150 can be held and grasped by an operator, and can also be clamped and fixed by a clamping and pressing device, so as to facilitate the liquid cooling box 100 to move or fix the liquid cooling box 100 during the assembling and disassembling process, and the operation process of assembling and disassembling the liquid cooling box 100 is more convenient.
It is understood that any embodiment that can fix the battery box 200 and the liquid-cooled box 100 to each other is possible, for example, the battery box 200 and the liquid-cooled box 100 can be welded or clamped. In a specific embodiment, the battery box 200 has a plurality of box connection holes (not labeled) formed at the periphery thereof, and the liquid cooling box 100 has a plurality of box fitting holes 160 formed at the periphery thereof, which correspond to the plurality of box connection holes (not labeled) one by one, and bolts are inserted through the box connection holes (not labeled) and the box fitting holes 160 to connect the liquid cooling box 100 and the battery box 200.
In some preferred embodiments, the bottom end of the battery box 200 has a heat conducting rubber pad 240, the heat conducting rubber pad 240 is attached to and made of a heat conducting surface, the heat conducting rubber pad 240 is made of a soft material with high heat conductivity, and the heat conducting rubber pad 240 can perfectly attach to the heat conducting surface, so that a matching gap between the heat conducting surface and the liquid cooling box is avoided, and the heat conducting efficiency between the liquid cooling boxes 100 is effectively improved.
In some preferred embodiments, the outer wall of the liquid cooling box 100 is provided with a plurality of hoisting grooves 170, the plurality of hoisting grooves 170 are arranged along the circumferential direction of the liquid cooling box 100, it should be noted that the hoisting grooves 170 are not communicated with the liquid cooling chamber 110, the design of the hoisting grooves 170 cannot affect the tightness of the liquid cooling chamber 110, and the hooks of the carried liquid cooling box 100 can be clamped in the hoisting grooves 170, thereby facilitating the carrying of the liquid cooling box 100.
It should be noted that, the liquid cooling chamber 110 and the storage chamber (not labeled in the figure) in the liquid cooling battery case of the present invention are isolated from each other, and the liquid cooling box 100 can seal the liquid cooling chamber 110 by the liquid cooling box 100 itself, and can also open the top end of the liquid cooling box 100, and the liquid cooling chamber 110 is sealed by the battery box 200. In some embodiments that utilize a battery box to enclose the liquid-cooled chamber 110, the liquid-cooled battery enclosure further includes a gasket 300, and the gasket 300 is disposed between the liquid-cooled chamber 100 and the battery chamber 200, so as to improve the sealing performance of the liquid-cooled chamber 110.
Furthermore, the embodiment of the utility model provides a still provide a battery package, it installs foretell liquid cooling battery case.
The battery pack is placed in a receiving cavity (not labeled) of the battery case 200, and the battery case 200 is mounted on the heat conductive surface. The battery box 200 has a plurality of box connecting holes (not labeled) formed in the periphery thereof, and the liquid-cooled box 100 has a plurality of box fitting holes 160 formed in the periphery thereof, which correspond to the plurality of box connecting holes (not labeled) one-to-one, and pass through the box connecting holes (not labeled) and the box fitting holes 160 via bolts to connect the liquid-cooled box 100 and the battery box 200. The support beams 140 at both ends of the liquid cooling chamber 110 can firmly support both ends of the battery case 200. In addition, the cooling liquid can enter the diversion channel 141 of the support beam 140 through the diversion port 142, so that the cooling liquid can flow in the diversion channel 141, and the support beam 140 of the design does not obstruct the flow of the cooling liquid, thereby preventing the flow of the cooling liquid from being obstructed. The liquid-cooled chamber 110 is filled with cooling liquid through the liquid inlet 120, and the cooling liquid in the liquid-cooled chamber 110 is guided out through the liquid outlet 130. The continuous flow of the cooling fluid in the liquid cooling chamber 110 continuously removes heat generated from the battery pack, thereby cooling the battery pack. Because the liquid cooling cavity 110 and the containing cavity (not marked in the figure) are mutually isolated, the possibility of contact between cooling liquid and the battery pack is avoided, and the problem of short circuit caused by poor insulation of the battery pack due to leakage of the cooling liquid can be avoided.
The above description is intended to illustrate the embodiments of the present invention, and not to limit the scope of the invention. Any other corresponding changes and modifications made according to the technical idea of the present invention should be included in the scope of the claims of the present invention.
Claims (10)
1. A liquid-cooled battery case, comprising:
the liquid cooling box body is internally provided with a liquid cooling cavity, the side wall of the liquid cooling box body is provided with a liquid inlet and a liquid outlet, the liquid inlet and the liquid outlet are communicated with the liquid cooling cavity and the outside, and the outer wall of the liquid cooling box body is provided with a heat conducting surface for transferring heat;
the battery box body is arranged on the heat conducting surface, and a containing cavity for containing a battery pack is formed in the battery box body.
2. The liquid-cooled battery enclosure of claim 1, wherein the liquid-cooled enclosure further comprises a support beam positioned in the liquid-cooled chamber to support the battery enclosure.
3. The liquid-cooled battery case of claim 2, wherein there are two of the support beams, two of the support beams are respectively disposed on two sections of the liquid-cooled chamber, a flow guide channel is disposed in the support beam, and a plurality of flow guide openings communicating the flow guide channel with the liquid-cooled chamber are disposed on a side wall of the support beam.
4. The liquid-cooled battery case of claim 1, wherein the battery case comprises a base housing and a baffle, the base housing has the receiving cavity therein, and a sidewall of the base housing is formed with an access opening for communicating the external environment with the receiving cavity, the baffle is detachably mounted to the base housing to cover the access opening.
5. The liquid-cooled battery enclosure of claim 1, wherein the exterior wall of the liquid-cooled tank further comprises a mounting push-pull handle.
6. The liquid-cooled battery case of claim 1, wherein a plurality of case connection holes are formed in the periphery of the battery case, a plurality of case mating holes corresponding to the plurality of case connection holes one to one are formed in the periphery of the liquid-cooled case, and bolts are inserted through the case connection holes and the case mating holes to connect the liquid-cooled case and the battery case.
7. The liquid-cooled battery case of claim 1, wherein a thermally conductive adhesive pad is disposed at a bottom end of the battery case, the thermally conductive adhesive pad being attached to the thermally conductive surface.
8. The liquid-cooled battery enclosure of claim 1, wherein the exterior wall of the liquid-cooled enclosure defines a plurality of lifting slots.
9. The liquid-cooled battery enclosure of claim 1, further comprising a gasket disposed between the liquid-cooled tank body and the battery box body.
10. A battery pack incorporating a liquid-cooled battery enclosure as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222316348.4U CN218039442U (en) | 2022-08-31 | 2022-08-31 | Liquid cooling battery case and battery package |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222316348.4U CN218039442U (en) | 2022-08-31 | 2022-08-31 | Liquid cooling battery case and battery package |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218039442U true CN218039442U (en) | 2022-12-13 |
Family
ID=84351044
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222316348.4U Active CN218039442U (en) | 2022-08-31 | 2022-08-31 | Liquid cooling battery case and battery package |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218039442U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116565433A (en) * | 2023-05-19 | 2023-08-08 | 清安储能技术(重庆)有限公司 | Battery box and battery pack |
-
2022
- 2022-08-31 CN CN202222316348.4U patent/CN218039442U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116565433A (en) * | 2023-05-19 | 2023-08-08 | 清安储能技术(重庆)有限公司 | Battery box and battery pack |
| CN116565433B (en) * | 2023-05-19 | 2024-01-09 | 清安储能技术(重庆)有限公司 | Battery box and battery pack |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP3641004B1 (en) | Battery module | |
| CN218039442U (en) | Liquid cooling battery case and battery package | |
| CN210052768U (en) | Electric automobile battery safety device | |
| CN114006078A (en) | Air-cooled battery system | |
| CN218783109U (en) | Liquid cooling subassembly and electricity core module | |
| CN218731278U (en) | Battery module and battery pack | |
| CN116722262A (en) | Battery pack and electric equipment | |
| CN217158332U (en) | Battery box | |
| CN111276657A (en) | Air-cooled battery module | |
| CN216529125U (en) | Box, battery package and electric vehicle | |
| CN212571121U (en) | Battery box and power battery | |
| CN115528349A (en) | Single battery and battery module of integrated thermal management structure | |
| CN212033099U (en) | Battery box and power battery | |
| CN217589091U (en) | Battery module structure | |
| CN210006791U (en) | Casing and power battery package | |
| CN215644732U (en) | Heat dissipation battery module | |
| CN220435751U (en) | Joint assembly, liquid cooling plate assembly, battery pack assembly and vehicle | |
| CN219457849U (en) | Battery pack | |
| CN211720092U (en) | Heat dissipation device of electric power automation equipment | |
| CN219419467U (en) | Battery and power equipment | |
| CN218274775U (en) | High-cycle sheet battery | |
| CN218632330U (en) | Battery pack and electric automobile | |
| CN211376738U (en) | Automobile battery pack | |
| CN220895678U (en) | Shell assembly and energy storage power supply | |
| CN217485554U (en) | Liquid cooling board and power battery |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |