CN219591514U - Integrated direct-current type quick heat exchange device, battery box and new energy automobile - Google Patents
Integrated direct-current type quick heat exchange device, battery box and new energy automobile Download PDFInfo
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- CN219591514U CN219591514U CN202320298154.8U CN202320298154U CN219591514U CN 219591514 U CN219591514 U CN 219591514U CN 202320298154 U CN202320298154 U CN 202320298154U CN 219591514 U CN219591514 U CN 219591514U
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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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Abstract
The utility model relates to the technical field of equipment heat exchange, and discloses an integrated direct-current type rapid heat exchange device, a battery box body and a new energy automobile, wherein the integrated direct-current type rapid heat exchange device comprises a heat exchange plate, one side of the heat exchange plate is integrally formed with a bent plate which is bent in a reciprocating manner, and each bent unit of the bent plate and the heat exchange plate enclose a heat exchange flow channel; the two sides of the heat exchange plate are connected with connecting pieces, and the connecting pieces are provided with circulating flow passages communicated with the heat exchange flow passages. According to the heat exchange device, the bending plate is integrally formed on one side of the heat exchange plate, and the bending units which are bent back and forth on the bending plate and the heat exchange plate enclose a plurality of heat exchange flow passages, so that the problems that the structural strength of the heat exchange device is poor and the heat exchange effect is to be improved in the prior art are solved.
Description
Technical Field
The utility model relates to the technical field of equipment heat exchange, in particular to an integrated direct-current type rapid heat exchange device, a battery box body and a new energy automobile.
Background
The power electronic equipment generates a large amount of heat in the use process, and in order to enable the equipment to normally operate, heat dissipation treatment is required to be carried out on the equipment. Taking a new energy automobile as an example, in order to control the temperature of a battery pack in a battery box, a cooling device is usually arranged in the battery box for cooling and radiating, the existing cooling device mainly takes a heat exchange plate as a main part, and a heat exchange flow channel is usually arranged in the heat exchange plate.
Although the existing heat exchange device can realize a better heat exchange effect, in the actual use process, on one hand, the processing and manufacturing difficulty of the heat exchange flow channel are high, the cost is high, and the structural strength of the existing heat exchange device is limited, so that when the heat exchange medium is a high-pressure medium such as gas in the use process, the heat exchange device can possibly leak the heat exchange medium because the heat exchange medium cannot bear the high pressure; on the other hand, the heat exchange flow channel in the existing heat exchange device can exchange heat through heat exchange of the heat exchange medium, but the heat dissipation capacity of the heat exchange device is limited, so that the overall heat exchange performance of the heat exchange device is limited.
Disclosure of Invention
The utility model aims to provide an integrated direct-current rapid heat exchange device, a battery box body and a new energy automobile, so as to solve the problems that the heat exchange device in the prior art is poor in structural strength and the heat exchange effect is to be improved.
In order to solve the problems, the utility model adopts the following technical scheme: the integrated direct-current rapid heat exchange device comprises a heat exchange plate, wherein one side of the heat exchange plate is integrally formed with a bent plate in a reciprocating bending shape, and each bent unit of the bent plate and the heat exchange plate enclose a heat exchange flow channel; the both sides of heat exchange board all are connected with the connecting piece, all are equipped with the circulation runner with heat exchange runner intercommunication on the connecting piece.
The principle and beneficial effect of this scheme are: in the utility model, as the bending plate is integrally formed on the heat exchange plate, the connection between the bending plate and the heat exchange plate is very stable, so that the heat exchange flow passage enclosed between the bending unit and the heat exchange plate, which are arranged in a reciprocating bending way on the bending plate, has very good tightness, and in the use process, even if the pressure of a heat exchange medium is large, the heat exchange flow passage can bear the large pressure to realize stable heat exchange, and the bending plate and the heat exchange plate are integrally formed, so that the processing is simple and the cost is relatively low; meanwhile, the whole bending plate is in a reciprocating bending shape, so that one side of the bending plate deviating from the heat exchange plate has larger surface area compared with a plane structure, the bending plate has stronger heat dissipation effect in the heat exchange process, and the integral heat exchange effect of the heat exchange device can be effectively improved.
Preferably, as an improvement, the heat exchange plate is formed by fixedly connecting a plurality of substrates adjacently, and the number of the bending plates is equal to the number of the substrates and corresponds to one by one.
In this scheme, the heat exchange plate is formed by a plurality of base plates adjacent fixed, when the whole size of heat exchange plate is great, can divide into a plurality of small-size base plates with the heat exchange plate that the size is big and process to greatly reduce the processing degree of difficulty, effectively practice thrift the processing cost.
Preferably, as a modification, the cross section of the bending unit on the bending plate is one or more of a circular arc shape, an elliptic arc shape, a triangle shape, a quadrilateral shape, a trapezoid shape and other polygons.
In this scheme, the curved unit transversal arc or polygonal structure of reciprocal bending on the curved plate, both can carry out stable connection with the heat exchange plate, and can effectively increase the area of curved plate and supplementary heat transfer effect that promotes.
Preferably, as an improvement, the two ends of the base plate extend out of the two ends of the bending plate respectively, the connecting piece comprises a left connecting plate and a right connecting plate which are fixedly connected to the two ends of the heat exchange plate, and the left connecting plate and the right connecting plate are respectively provided with a matching step matched with the part of the base plate extending out of the bending plate.
In this scheme, through all setting up the cooperation step on left connecting plate and right connecting plate, when connecting left connecting plate and right connecting plate in the both sides of heat exchange plate, not only can realize counterpoint fast and accurately, simultaneously, because the setting of cooperation step to when being fixed in left connecting plate and right connecting plate in the heat exchange plate both sides, can adopt friction stir welding's mode to fix more conveniently.
Preferably, as a modification, the joint of the curved plate and the substrate is smoothly transited.
In the scheme, the joint of the bending plate and the substrate is smoothly transited, so that the cross section of the heat exchange flow channel is smooth closed, and the condition that stress concentration occurs due to the sharp corner formed at the joint of the bending plate and the substrate is avoided.
Preferably, as an improvement, the circulating flow channel comprises a liquid inlet flow channel and a liquid outlet flow channel, the liquid inlet flow channel is arranged on the right connecting plate, the liquid outlet flow channel is arranged on the left connecting plate and is communicated with all the heat exchange flow channels, and the right connecting plate is provided with a liquid inlet connecting channel for communicating the liquid inlet flow channel with the heat exchange flow channels.
In this scheme, feed liquor runner, feed liquor even passageway, heat exchange runner, play liquid even passageway and play liquid runner communicate in proper order to make the heat exchange medium pass through each runner in proper order and carry out the heat transfer in heat exchange runner department, make the heat exchange medium that uses among the prior art can circulation flow, again with the help of the intervention of heat transfer equipment among the prior art, can accomplish continuous heat exchange operation.
Preferably, as an improvement, a group of heat exchange groups is formed by a plurality of adjacent base plates and bending plates connected to the base plates, a plurality of groups of heat exchange groups are arranged in the heat exchange plates, the right connecting plate is provided with a plurality of liquid inlet channels with the same number as the heat exchange groups, and each liquid inlet channel corresponds to one group of heat exchange groups; and a plurality of blocking pieces for blocking the liquid inlet channels are fixedly connected to the right connecting plate, and each liquid inlet channel can only be communicated with the heat exchange channels in one group of heat exchange groups under the blocking effect of the liquid inlet blocking pieces.
In the scheme, a group of heat exchange groups is formed by a plurality of adjacent base plates and bending plates corresponding to the base plates, and the heat exchange flow channels in the heat exchange groups are communicated by utilizing a single liquid inlet flow channel, so that heat exchange media are independently supplied to heat exchange areas corresponding to the heat exchange groups; meanwhile, as a plurality of heat exchange groups are arranged, each heat exchange group independently supplies heat exchange media by using the circulating runner groups, and even if the temperature of the supplied heat exchange media is the same, the heat exchange plates can be provided with a plurality of liquid inlets, so that the problem that the heat exchange media can only enter the heat exchange plates from one liquid inlet end and flow out from the liquid outlet end, and the heat exchange effect is reduced due to the temperature change of the heat exchange media is solved.
Preferably, as an improvement, the liquid inlet blocking piece is a liquid inlet blocking head, and a mounting hole which is communicated with the liquid inlet channel and matched with the liquid inlet blocking head is formed in the side wall of the right connecting plate.
In this scheme, with the feed liquor mounting hole offer on the lateral wall of right connecting plate, after the shaping goes out the feed liquor runner on right connecting plate, can conveniently process out the mounting hole with the feed liquor runner intercommunication on the lateral wall of right connecting plate, then with the feed liquor stop the head and be fixed in the mounting hole again, can utilize the feed liquor to stop the head and block the feed liquor runner, processing is simple and convenient.
The battery box body is provided with the integrated direct-current type rapid heat exchange device, the heat exchange plate is used as a bottom plate of the battery box body, and the bending plate is positioned on the bottom surface of the heat exchange plate.
In the scheme, the battery box body adopts the integrated direct-current type rapid heat exchange device to exchange heat, so that the strength of the heat exchange device can be effectively ensured, and the heat exchange effect can be improved; meanwhile, in the scheme, the heat exchange plate is directly used as a bottom plate without arranging an additional bearing plate in the battery box body as the bottom plate, namely, the heat exchange plate is directly integrated in the frame of the battery box body, so that the whole structure of the battery box body is simpler, the weight is lighter, the battery box body directly utilizes the heat exchange plate to bear the weight of a battery and directly contact with the battery for heat dissipation, the heat dissipation effect is better, and the bending plate is positioned on the bottom surface of the heat exchange plate, so that the bending plate is in an exposed state, and the auxiliary heat dissipation effect of the bending plate is further improved.
The new energy automobile utilizes the integrated direct-current type rapid heat exchange device or the battery box body.
The new energy automobile adopts an integrated direct-current rapid heat exchange device or a battery box body, is favorable for the heat exchange device of the new energy automobile to have good structural strength and good heat exchange effect, and can also meet the technical requirement of strong heat exchange for certain areas in the use of the new energy automobile.
Drawings
Fig. 1 is a schematic diagram of a first embodiment of the present utility model.
Fig. 2 is an exploded view of fig. 1.
Fig. 3 is a partial schematic view of a connection between a substrate and a curved plate according to a first embodiment of the present utility model.
FIG. 4 is a longitudinal cross-sectional view of a base plate connected to a left connecting plate and a right connecting plate in accordance with a first embodiment of the present utility model.
Fig. 5 is a cross-sectional view illustrating a connection between a liquid inlet blocking head and a substrate according to a first embodiment of the present utility model.
FIG. 6 is a schematic illustration of the flow path of a heat exchange medium according to an embodiment of the present utility model.
Fig. 7 is a schematic view of a battery case according to a first embodiment of the utility model.
Fig. 8 is a longitudinal sectional view of the second embodiment of the present utility model, in which the liquid outlet channel is disposed on the left connecting plate.
Detailed Description
The following is a further detailed description of the embodiments:
reference numerals in the drawings of the specification include: the heat exchange plate 1, the base plate 101, the heat exchange flow channel 1011, the bending plate 2, the round corner 201, the left connecting plate 3, the matching boss 301, the liquid outlet flow channel 302, the right connecting plate 4, the liquid inlet flow channel 401, the liquid inlet communication channel 402, the transition flow channel 403, the liquid inlet blocking head 5 and the plugging head 6.
Example 1
The first embodiment is basically as shown in fig. 1-7: the integrated direct-current rapid heat exchange device comprises a heat exchange plate 1 and a bending plate 2 connected to the bottom side of the heat exchange plate 1, wherein in the embodiment, the heat exchange plate 1 is formed by adjacently welding a plurality of base plates 101 along the length direction of the heat exchange plate 1, and the welding mode adopts friction stir welding; correspondingly, the number of the bending plates 2 is equal to the number of the base plates 101 and the widths are equal, meanwhile, the bending plates 2 and the base plates 101 are arranged in a one-to-one correspondence, when the base plates 101 are formed, the bending plates 2 are formed simultaneously in an extrusion integrated forming mode, then the base plates 101, the bending plates 2, adjacent base plates 101 and the bending plates 2 are welded and fixed together, and finally the heat exchange plate 1 is formed, and the heat exchange plate 1 in the embodiment comprises twelve base plates 101 and twelve bending plates 2.
As shown in fig. 3, the curved plate 2 is in a reciprocating curved shape, and each curved unit on the curved plate 2 and the substrate 101 enclose a heat exchange channel 1011, so that a plurality of heat exchange channels 1011 parallel to each other are enclosed between each curved plate 2 and each substrate 101, and a rounded corner 201 is arranged at the connection position of the curved plate 2 and the substrate 101, so that the connection position of the curved plate 2 and the substrate 101 is smoothly transited. In this embodiment, the cross section of the bending unit on the bending plate 2 is triangular, and the two sides of the triangle also smoothly transition at the intersection of the top, and in other embodiments other than this embodiment, the cross section of the bending unit may be one or more combinations of circular arc, elliptical arc, quadrilateral, trapezoid and other polygons, which will not be described here again.
In combination with fig. 1 and fig. 2, the left and right sides of the heat exchange plate 1 are both connected with a connecting piece, the connecting piece is provided with a circulation runner communicated with the heat exchange runner 1011, in this embodiment, the connecting piece includes a left connecting plate 3 and a right connecting plate 4 fixedly connected to the left and right ends of the heat exchange plate 1 in a friction stir welding manner, in order to facilitate welding of the left connecting plate 3 and the right connecting plate 4, in combination with fig. 3, the left and right ends of the substrate 101 all extend out of the curved plate 2, and the left connecting plate 3 and the right connecting plate 4 are integrally formed with a matching boss 301 which is matched with a portion of the substrate 101 extending out of the curved plate 2 as in fig. 4, and the matching boss 301 is utilized to form matching with the two ends of the substrate 101, so that the left connecting plate 3 and the right connecting plate 4 are conveniently located with the matching of the substrate 101, so that after the welding is completed, the top surface of the left connecting plate 3, the top surface of the substrate 101 and the top surface of the right connecting plate 4 are all located in the same plane.
As shown in fig. 4, the circulation flow channel includes a liquid inlet flow channel 401 and a liquid outlet flow channel 302, the liquid outlet flow channel 302 is integrally formed on the left connecting plate 3, and the left end of a heat exchange channel surrounded by twelve substrates 101 and twelve curved plates 2 is simultaneously communicated with the liquid outlet flow channel 302; the liquid inlet channel 401 is integrally formed on the right connecting plate 4, the right connecting plate 4 is provided with a liquid inlet connecting channel 402 for communicating the liquid inlet channel 401 with the heat exchange channel 1011, and twelve base plates 101 and twelve bending plates 2 in the embodiment are equally divided into two groups of heat exchange groups, and the liquid inlet channel 401 on the right connecting plate 4 is two in combination with fig. 4 and 6, and six base plates 101 and six bending plates 2 in each group of heat exchange groups are communicated with only one liquid inlet channel 401.
As shown in fig. 4, specifically, the substrate 101 extends beyond the left and right ends of the curved plate 2, the portion of the substrate 101 extending beyond the left end of the curved plate 2 and the left connecting plate 3 enclose the liquid outlet channel 302, the portion of the substrate 101 extending beyond the right end of the curved plate 2 and the right connecting plate 4 enclose the liquid inlet channel 402, the liquid inlet channel 402 is located between the liquid inlet channel 401 and the heat exchange channels 1011, and all the heat exchange channels 1011 enclosed by the same substrate 101 and the corresponding curved plate 2 are simultaneously communicated with the liquid inlet channel 402; meanwhile, a transition flow channel 403 is machined between two adjacent liquid inlet flow channels 401 and between the liquid inlet flow channels 401 and the liquid inlet communication channel 402 in a drilling mode, so that the liquid inlet flow channels 401 can be communicated with the heat exchange flow channels 1011 through the liquid inlet communication channel 402 and the transition flow channels 403, and in order to enable heat exchange media in the liquid inlet flow channels 401 and the liquid outlet flow channels 302 to directionally flow, plugging heads 6 are welded at two ends of the liquid inlet flow channels 401 and two ends of the liquid outlet flow channels 302 according to requirements, as shown in fig. 2.
Referring to fig. 2 and 5, a plurality of blocking members for blocking the liquid inlet channels 401 are fixedly connected to the right connecting plate 4, and each liquid inlet channel 401 can only communicate with the heat exchange channel 1011 in one of the heat exchange groups under the blocking action of the liquid inlet blocking member. In this embodiment, the feed liquor blocking piece is cylindrical feed liquor blocking head 5, open on the side of right connecting plate 4 with feed liquor runner 401 intercommunication's mounting hole, the diameter size of mounting hole equals with the diameter of feed liquor blocking head 5, and the diameter size of feed liquor blocking head 5 is greater than or equal to the width of feed liquor runner 401, after inserting the feed liquor blocking head 5 into the mounting hole and inserting into feed liquor runner 401, can utilize feed liquor blocking head 5 to block up feed liquor runner 401, realize controlling the flow direction of heat exchange medium in the feed liquor runner 401.
As shown in fig. 4 and 6, under the blocking effect of the liquid inlet blocking head 5 in fig. 5, external heat exchange medium flows into the right connecting plate 4 through two liquid inlet channels 401 at the right lower corner of the heat, wherein the heat exchange medium in the left liquid inlet channel 401 in the two liquid inlet channels 401 flows upwards and flows leftwards, flows through the liquid inlet communication channel 402 and enters the heat exchange channel 1011, then flows into the liquid outlet channel 302 through the heat exchange channel 1011, and finally flows out of the heat exchange device through the liquid outlet channel 302; the heat exchange medium in the right inlet flow channel 401 of the two inlet flow channels 401 flows upwards (indicated by dotted arrows) until flowing to the six base plates 101 near the upper side and the corresponding bending plates 2, then flows into the left inlet flow channel 401 through the transition flow channel 403 between the two inlet flow channels 401, flows into the heat exchange flow channel 1011 from the left inlet flow channel 401 through the transition flow channel 403 and the inlet communication channel 402 in turn leftwards, flows into the liquid outlet flow channel 302 from the heat exchange flow channel 1011, and finally flows out of the heat exchange device from the liquid outlet flow channel 302.
By adopting the heat exchange device in the embodiment, as the bending plate 2 is formed with the base plate 101 at one time through extrusion forming, the connection between the bending plate 2 and the base plate 101 is quite stable, the processing is convenient, the structure strength is quite good, and the bending plate 2 is in a reciprocating bending shape, so that the bending plate 2 has a larger heat dissipation area, the surface area of the heat exchange flow channel 1011 can be effectively improved, the heat exchange efficiency can be improved, the rapid auxiliary heat exchange can be carried out by virtue of the bending plate 2, and the heat exchange efficiency can be further improved; meanwhile, two groups of heat exchange groups are separated in the heat exchange plate 1, the two groups of heat exchange groups are independently supplied with heat exchange media through two liquid inlet flow channels 401, the heat exchange media in the heat exchange flow channels 1011 can rapidly flow into the liquid outlet flow channels 302 and then flow out of the heat exchange device, so that the heat exchange intensity in each group of heat exchange groups can be independently controlled, and simultaneously, the rapid heat exchange can be realized, and in other embodiments except the embodiment, the number of the groups of the heat exchange groups can be set according to the actual use requirements, thereby realizing better heat exchange effect control.
As shown in fig. 7, the battery box body uses the integrated direct-current rapid heat exchange device, and directly uses the heat exchange plate 1 as the bottom plate of the battery box body, no bearing plate is arranged as the bottom plate of the battery box body, and the bending plate 2 is positioned at the bottom of the whole battery box body, so that the planar plate-shaped structure formed by all the substrates 101 can be used for installing batteries, and the bending plate 2 is positioned at the bottom of the substrate 101, thereby better realizing the auxiliary heat exchange effect.
The novel energy automobile uses the integrated direct-current type rapid heat exchange device or the battery box body to achieve the rapid heat exchange effect.
Example two
The second embodiment differs from the first embodiment in that: in the first embodiment, the liquid outlet channel 302 is surrounded by the substrate 101 and the matching boss 301 on the left connecting plate 3, in this embodiment, as shown in fig. 8, the liquid outlet channel 302 is integrally formed in the left connecting plate 3, and the right end of the liquid outlet channel 302 is directly communicated with the heat exchange channel 1011, so as to improve the tightness of the liquid outlet channel 302 and reduce the risk of leakage of heat exchange medium in the liquid outlet channel 302; meanwhile, the base plate 101, the bending plate 2 and the left connecting plate 3 are connected through the slot structure, so that the left connecting plate 3, the base plate 101 and the bending plate 2 are more convenient to weld and are more stable to connect.
The foregoing is merely exemplary of the present utility model, and specific technical solutions and/or features that are well known in the art have not been described in detail herein. It should be noted that, for those skilled in the art, several variations and modifications can be made without departing from the technical solution of the present utility model, and these should also be regarded as the protection scope of the present utility model, which does not affect the effect of the implementation of the present utility model and the practical applicability of the patent. The protection scope of the present utility model is subject to the content of the claims, and the description of the specific embodiments and the like in the specification can be used for explaining the content of the claims.
Claims (10)
1. An integrative straight-flow type quick heat exchange device, includes the heat exchange board, its characterized in that: one side of the heat exchange plate is integrally formed with a bent plate in a reciprocating bending shape, and each bent unit of the bent plate and the heat exchange plate enclose a heat exchange flow channel; the both sides of heat exchange board all are connected with the connecting piece, all are equipped with the circulation runner with heat exchange runner intercommunication on the connecting piece.
2. The integrated direct current rapid heat exchange device of claim 1, wherein: the heat exchange plates are formed by fixedly connecting a plurality of substrates adjacently, and the number of the bending plates is equal to that of the substrates and corresponds to that of the substrates one by one.
3. The integrated direct current rapid heat exchange device of claim 1, wherein: the cross section of the bending unit on the bending plate is one or a plurality of combinations of arc, elliptic arc and polygon.
4. The integrated direct current rapid heat exchange device according to claim 2, wherein: the two ends of the base plate extend out of the two ends of the bending plate respectively, the connecting piece comprises a left connecting plate and a right connecting plate which are fixedly connected to the two ends of the heat exchange plate, and the left connecting plate and the right connecting plate are respectively provided with a matching step matched with the part of the base plate extending out of the bending plate.
5. The integrated direct current rapid heat exchange device of claim 4, wherein: and the joint of the bending plate and the substrate is in smooth transition.
6. The integrated direct current rapid thermal exchange device according to claim 5, wherein: the circulating flow passage comprises a liquid inlet flow passage and a liquid outlet flow passage, the liquid inlet flow passage is arranged on the right connecting plate, the liquid outlet flow passage is arranged on the left connecting plate and is communicated with all the heat exchange flow passages, and the right connecting plate is provided with a liquid inlet connecting passage for communicating the liquid inlet flow passage with the heat exchange flow passages.
7. The integrated direct current rapid heat exchange device of claim 6, wherein: a plurality of heat exchange groups are formed by a plurality of adjacent base plates and bending plates connected to the base plates, a plurality of heat exchange groups are arranged in the heat exchange plates, the right connecting plate is provided with a plurality of liquid inlet channels, the number of which is equal to that of the heat exchange groups, and each liquid inlet channel corresponds to one heat exchange group; and a plurality of blocking pieces for blocking the liquid inlet channels are fixedly connected to the right connecting plate, and each liquid inlet channel can only be communicated with the heat exchange channels in one group of heat exchange groups under the blocking effect of the liquid inlet blocking pieces.
8. The integrated direct current rapid heat exchange device of claim 7, wherein: the liquid inlet blocking piece is a liquid inlet blocking head, and the side wall of the right connecting plate is provided with a mounting hole which is communicated with the liquid inlet channel and matched with the liquid inlet blocking head.
9. The battery box, its characterized in that: use of an integrated direct current rapid thermal exchange device according to any of claims 1-8, the heat exchange plate being the bottom plate of the battery box and the curved plate being located on the bottom surface of the heat exchange plate.
10. A new energy vehicle using the integrated direct current rapid heat exchange device according to any one of claims 1 to 8 or the battery case according to claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320298154.8U CN219591514U (en) | 2023-02-23 | 2023-02-23 | Integrated direct-current type quick heat exchange device, battery box and new energy automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320298154.8U CN219591514U (en) | 2023-02-23 | 2023-02-23 | Integrated direct-current type quick heat exchange device, battery box and new energy automobile |
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| Publication Number | Publication Date |
|---|---|
| CN219591514U true CN219591514U (en) | 2023-08-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320298154.8U Active CN219591514U (en) | 2023-02-23 | 2023-02-23 | Integrated direct-current type quick heat exchange device, battery box and new energy automobile |
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| Country | Link |
|---|---|
| CN (1) | CN219591514U (en) |
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2023
- 2023-02-23 CN CN202320298154.8U patent/CN219591514U/en active Active
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