CN115420119A - Pure electric vehicles series connection radiator structure and vehicle - Google Patents
Pure electric vehicles series connection radiator structure and vehicle Download PDFInfo
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- CN115420119A CN115420119A CN202210908187.XA CN202210908187A CN115420119A CN 115420119 A CN115420119 A CN 115420119A CN 202210908187 A CN202210908187 A CN 202210908187A CN 115420119 A CN115420119 A CN 115420119A
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- radiator
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- water chamber
- pure electric
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 62
- 230000003014 reinforcing effect Effects 0.000 claims description 21
- 238000001746 injection moulding Methods 0.000 claims description 12
- 229920009788 PA66 GF30 Polymers 0.000 claims description 8
- 229920006497 PA66-GF30 Polymers 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 13
- 238000009434 installation Methods 0.000 abstract description 6
- 230000003139 buffering effect Effects 0.000 abstract description 3
- 230000017525 heat dissipation Effects 0.000 abstract description 3
- 239000000463 material Substances 0.000 description 4
- 230000007774 longterm Effects 0.000 description 3
- 239000006243 Fine Thermal Substances 0.000 description 2
- 239000000306 component Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- IBSREHMXUMOFBB-JFUDTMANSA-N 5u8924t11h Chemical compound O1[C@@H](C)[C@H](O)[C@@H](OC)C[C@@H]1O[C@@H]1[C@@H](OC)C[C@H](O[C@@H]2C(=C/C[C@@H]3C[C@@H](C[C@@]4(O3)C=C[C@H](C)[C@@H](C(C)C)O4)OC(=O)[C@@H]3C=C(C)[C@@H](O)[C@H]4OC\C([C@@]34O)=C/C=C/[C@@H]2C)/C)O[C@H]1C.C1=C[C@H](C)[C@@H]([C@@H](C)CC)O[C@]11O[C@H](C\C=C(C)\[C@@H](O[C@@H]2O[C@@H](C)[C@H](O[C@@H]3O[C@@H](C)[C@H](O)[C@@H](OC)C3)[C@@H](OC)C2)[C@@H](C)\C=C\C=C/2[C@]3([C@H](C(=O)O4)C=C(C)[C@@H](O)[C@H]3OC\2)O)C[C@H]4C1 IBSREHMXUMOFBB-JFUDTMANSA-N 0.000 description 1
- 239000005660 Abamectin Substances 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229950008167 abamectin Drugs 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D1/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
- F28D1/02—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid
- F28D1/0206—Heat exchangers immersed in a large body of liquid
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/26—Arrangements for connecting different sections of heat-exchange elements, e.g. of radiators
- F28F9/262—Arrangements for connecting different sections of heat-exchange elements, e.g. of radiators for radiators
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
Abstract
The invention relates to the technical field of electric vehicle heat dissipation systems, in particular to a series radiator structure of a pure electric vehicle and a vehicle, which comprise a front radiator and a rear radiator, wherein the front radiator comprises a front radiator core, a first front radiator water chamber is arranged on one side of the front radiator core, and a second front radiator water chamber is arranged on the other side of the front radiator core; the rear radiator comprises a rear radiator core body, a first rear radiator water chamber is arranged on one side of the rear radiator core body, and a second rear radiator water chamber is arranged on the other side of the rear radiator core body; the first front radiator water chamber is provided with a first front connecting piece, the second front radiator water chamber is provided with a second front connecting piece, the first rear radiator water chamber is provided with a first rear connecting piece, and the second rear radiator water chamber is provided with a second rear connecting piece. The invention solves the problems that the structure of a double-radiator series structure in the prior art is complex, the whole vehicle is low in assembly production efficiency due to the fact that manpower is required during installation, the rigidity is high after assembly, and the buffering performance is poor.
Description
Technical Field
The invention relates to the technical field of electric vehicle heat dissipation systems, in particular to a series radiator structure of a pure electric vehicle and a vehicle.
Background
The pure electric vehicle has the advantages of environmental protection, zero carbon emission in the operation process and the like, and has important significance for national energy conservation and emission reduction war. For the end of automobile consumption market, the pure electric vehicle has the advantages of low use cost, strong scientific and technological exchange capacity and the like, is gradually pursued by consumers, and the market share is rapidly increased. Compared with the traditional energy vehicle, the pure electric vehicle needs more cooled parts, such as a battery pack, a vehicle controller, a motor controller and the like; meanwhile, because the working temperature intervals of the components are different and are more sensitive to temperature, a fine thermal management system is required to be designed to meet the thermal management requirement of the pure electric vehicle, and the series radiator structure is a key core component of the fine thermal management system of the pure electric vehicle.
The electricity consumption index of the pure electric vehicle is an important technical parameter, the heat dissipation of air entering the vehicle through the front air grid can be comprehensively utilized by using the series radiator, the opening area of the vehicle is reduced to the maximum extent, the wind resistance of the vehicle is obviously reduced, and the pure electric vehicle has important significance in reducing the electricity consumption of the pure electric vehicle.
At present, a double-radiator series structure is widely applied to pure electric vehicles, such as Changan automobiles (abamectin), tesla and other vehicle enterprises. However, the connection mode of the existing dual-radiator series structure is that the dual-radiator series structure is mostly connected together by adopting fasteners such as bolts, nuts and the like. Such a connection structure and method have the following major technical drawbacks: 1. in the prior art, the process of the double-radiator series structure is complicated to deliver, and more manual operation links are needed, so that the production efficiency is low, the production cost is not reduced, and the cost control of the whole vehicle is influenced; 2. the existing double radiators are connected in series through fasteners such as bolts and nuts, the problems of high rigidity, poor buffering performance and the like exist after the equipment is completed, the fasteners are easy to loosen due to long-term driving vibration, abnormal sound is caused, and therefore user experience is reduced; 3. the prior art does not realize the adaptation of the mechanical arm, excessively depends on manual work, and is not suitable for a future full-automatic production system.
Disclosure of Invention
In view of the above, the invention aims to provide a series radiator structure of a pure electric vehicle and a vehicle, and solves the problems that in the prior art, the structure of a double-radiator series structure is complex, labor is required to be relied on during installation, the production efficiency of the whole vehicle assembly is low, the rigidity is high after the assembly, and the buffer performance is poor.
The invention solves the technical problems by the following technical means:
a series radiator structure of a pure electric vehicle comprises a front radiator and a rear radiator, wherein the front radiator comprises a front radiator core, a first front radiator water chamber is arranged on one side of the front radiator core, and a second front radiator water chamber is arranged on the other side of the front radiator core; the rear radiator comprises a rear radiator core body, a first rear radiator water chamber is arranged on one side of the rear radiator core body, and a second rear radiator water chamber is arranged on the other side of the rear radiator core body; be provided with first preceding connecting piece on the radiator hydroecium before first, be provided with connecting piece before the second on the radiator hydroecium before the second, be provided with first back connecting piece on the radiator hydroecium after the first, be provided with connecting piece after the second on the radiator hydroecium after the second, connecting piece can be dismantled with first back connecting piece before the first, connecting piece can dismantle with second back connecting piece before the second and be connected.
Further, the first front connecting piece is connected with a second rear connecting piece in a buckling mode, and the second front connecting piece is connected with the first rear connecting piece in a buckling mode. Through the mode of buckle connection for the connection of first preceding connecting piece and first back connecting piece, and the connection installation of connecting piece and second back connecting piece are more convenient before the second, thereby reduce the time of whole car assembly, practice thrift whole car manufacturing cost.
Furthermore, the first front connecting piece and the second front connecting piece have the same structure, the first front connecting piece and the second front connecting piece both comprise mounting bases, elastic blocks with the same length are arranged on two sides of each mounting base, and elastic block reinforcing ribs are arranged on one ends of the elastic blocks, which are far away from the mounting bases; the structure of the first rear connecting piece is the same as that of the second rear connecting piece, mounting holes are formed in the first rear connecting piece and the second rear connecting piece, and the elastic blocks on the two sides of the mounting seat are clamped in the mounting holes. The elastic blocks have elasticity, the distance between the elastic blocks can be changed, and when the elastic blocks are installed, the two elastic blocks can be oppositely pressed and pushed into the installation holes; the elastic block reinforcing rib can strengthen the structural strength, and after the first front connecting piece and the second front connecting piece and the first rear connecting piece and the second rear connecting piece are assembled, the limiting structures in the upper and lower directions of the clamping groove limit the first front connecting piece and the second front connecting piece, so that the installation caused by long-term driving vibration is prevented from being loosened, and the assembly reliability between the front radiator and the rear radiator is improved.
Furthermore, the shape of the elastic block reinforcing rib is trapezoidal, and the width of one side, close to the elastic block, of the elastic block reinforcing rib is larger than the width of one side, far away from the elastic block, of the elastic block reinforcing rib. So, when inserting two elastic blocks in the mounting hole, can the disect insertion can, need not press the elastic block, use convenience more.
Further, mounting hole strengthening ribs are arranged on two sides of the mounting hole. The mounting hole reinforcing ribs can increase the structural strength of the first rear connecting piece and the second rear connecting piece, so that the two rear connecting pieces are durable and reliable.
Furthermore, the cross-section of mount pad is the I shape, including first holding tank and second holding tank, the gliding setting respectively of two elastic blocks of mount pad both sides is in first holding tank and second holding tank. Two elastic blocks on two sides of the mounting seat are respectively arranged in the first accommodating groove and the second accommodating groove in a sliding manner, so that the problem that the elastic blocks are broken due to excessive pressing when the elastic blocks are pressed can be avoided.
Further, the first front connecting piece and the first front radiator water chamber are integrally formed by injection molding, the second front connecting piece and the second front radiator water chamber are integrally formed by injection molding, and the first front connecting piece, the first front radiator water chamber, the second front connecting piece and the second front radiator water chamber are all made of PA66-GF30. The first front connecting piece and the first front radiator water chamber are integrally formed by injection molding through a PA66-GF30 material, the second front connecting piece and the second front radiator water chamber are integrally formed by injection molding, the manufacturing process is simple, and the connection relation between the front connecting piece and the front radiator water chamber is firmer.
Further, the first rear connecting piece and the first rear radiator water chamber are integrally formed by injection molding, the second rear connecting piece and the second rear radiator water chamber are integrally formed by injection molding, and the first rear connecting piece, the first rear radiator water chamber, the second rear connecting piece and the second rear radiator water chamber are all made of PA66-GF30. The first rear connecting piece and the first rear radiator water chamber are integrally injection-molded by using a PA66-GF30 material, the second rear connecting piece and the second rear radiator water chamber are integrally injection-molded, the manufacturing process is simple, and the connection relationship between the rear connecting piece and the rear radiator water chamber is firmer.
The invention also discloses a vehicle which comprises the series radiator structure.
The series radiator structure of the pure electric vehicle and the vehicle have the advantages that:
1. according to the invention, the first front connecting piece and the first front radiator water chamber are integrally injection-molded, the second front connecting piece and the second front radiator water chamber are integrally injection-molded, the first rear connecting piece and the first rear radiator water chamber are integrally injection-molded, and the second rear connecting piece and the second rear radiator water chamber are integrally injection-molded, so that the whole series radiator structure is simple in preparation process, the connecting relation between the connecting piece and the body is firmer, and the integral injection-molding is realized during production, so that fewer production links are required, and the improvement of the spare and accessory part preparation production efficiency is facilitated.
2. According to the invention, the first front connecting piece and the first rear connecting piece are connected with the mounting hole through the elastic blocks and the second front connecting piece and the second rear connecting piece are connected with the mounting hole through the elastic block reinforcing ribs in a buckling manner, when the elastic blocks are connected, the elastic blocks are directly inserted into the mounting hole, when the elastic blocks are disassembled, the two elastic blocks are oppositely pressed, so that the first connecting piece or the second connecting piece can be taken out from the mounting hole, the disassembling and the assembling are very convenient and quick, the manual work is not needed, the assembling can be realized by using a mechanical arm during the production, and the improvement of the assembling production efficiency of the whole vehicle is facilitated.
3. The invention adopts a non-rigid connection mode that the elastic block reinforcing ribs are connected with the mounting holes in a buckling manner, after the whole vehicle is assembled, the rigidity of the connection part is small, the buffering performance is better, and the connection part cannot be loosened even if the vehicle is driven for a long time, so that the user experience is favorably improved.
Drawings
FIG. 1 is a schematic structural diagram of a front radiator of a series radiator structure of a pure electric vehicle according to the present invention;
FIG. 2 is a schematic structural diagram of a rear radiator of a series radiator structure of a pure electric vehicle according to the present invention;
FIG. 3 is a schematic view of the connection between the front and rear heat sinks;
fig. 4 is a schematic view of the first rear connector of fig. 2.
The heat sink includes a front heat sink 1, a rear heat sink 2, a front heat sink core 11, a first front heat sink water chamber 12, a second front heat sink water chamber 13, a rear heat sink core 21, a first rear heat sink water chamber 22, a second rear heat sink water chamber 23, a first front connector 121, a second front connector 131, a first rear connector 221, a second rear connector 231, a first receiving groove 1211, a second receiving groove 1212, an elastic block 1213, an elastic block reinforcing rib 1214, a mounting seat 12155, a mounting hole 2211, and a mounting hole reinforcing rib 2212.
Detailed Description
The invention will be described in detail below with reference to the following figures and specific examples:
the following description is given for illustrative embodiments of the invention with reference to specific examples, and it is to be understood that the invention is not limited to the details of the embodiments disclosed herein. It should be noted that the drawings provided in the following embodiments are only for illustrative purposes, are schematic drawings rather than actual drawings, and are not to be construed as limiting the invention, and in order to better illustrate the embodiments of the invention, some components in the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and their descriptions may be omitted.
In the description of the present invention, it should be understood that if there are terms such as "upper", "lower", "left", "right", "front", "back", etc., indicating orientations or positional relationships based on the orientations or positional relationships shown in the drawings, it is only for convenience of description and simplicity of description, but does not indicate or imply that the indicated device or element must have a specific orientation, be constructed in a specific orientation, and be operated, therefore, the terms describing the positional relationships in the drawings are only used for illustrative purposes and are not to be construed as limiting the present invention, and those skilled in the art can understand the specific meanings of the terms according to specific situations.
Examples 1,
As shown in fig. 1 and fig. 2, the series radiator structure of the pure electric vehicle of the embodiment includes a front radiator 1 and a rear radiator 2, where the front radiator 1 includes a front radiator core 11, a first front radiator water chamber 12 is installed on the left side of the front radiator core 11, and a second front radiator water chamber 13 is installed on the right side of the front radiator core 11; the rear radiator 2 comprises a rear radiator core 21, a first rear radiator water chamber 22 is arranged on the left side of the rear radiator core 21, and a second rear radiator water chamber 23 is arranged on the right side of the rear radiator core 21; a first front connecting piece 121 is integrally injection-molded on the first front radiator water chamber 12, a second front connecting piece 131 is integrally injection-molded on the second front radiator water chamber 13, a first rear connecting piece 221 is integrally injection-molded on the first rear radiator water chamber 22, and a second rear connecting piece 231 is integrally injection-molded on the second rear radiator water chamber 23; the first front connector 121 is snap-fit connected to the second rear connector 231, and the second front connector 131 is snap-fit connected to the first rear connector 221.
Specifically, as shown in fig. 3 and 4, the first front connecting member 121 and the second front connecting member 131 have the same structure, the first front connecting member 121 and the second front connecting member 131 both include a mounting seat 1215, the cross section of the mounting seat 1215 is i-shaped, and includes a first receiving groove 1211 and a second receiving groove 1212, the first receiving groove 1211 and the second receiving groove 1212 on both sides of the mounting seat 1215 are slidably provided with elastic blocks 1213 having the same length, one ends of the elastic blocks 1213 far away from the mounting seat 1215 are integrally formed with elastic block reinforcing ribs 1214 by injection molding, the shape of the elastic block reinforcing ribs 1214 is trapezoidal, and the width of the elastic block reinforcing ribs 1214 close to the elastic blocks 1213 is greater than the width of the elastic blocks 1213 far away; the first rear connector 221 and the second rear connector 231 have the same structure, the first rear connector 221 and the second rear connector 231 are both provided with mounting holes 2211, the two sides of the mounting holes 2211 are both integrally formed with mounting hole reinforcing ribs 2212, and the elastic blocks 1213 at the two sides of the mounting seat 1215 are clamped in the mounting holes 2211.
The materials of the first front connector 121, the first front radiator water chamber 12, the second front connector 131 and the second front radiator water chamber 13 of this embodiment are PA66-GF30; the materials of the first rear connector 221, the first rear radiator water chamber 22, the second rear connector 231, and the second rear radiator water chamber 23 are PA66-GF30.
Examples 2,
This embodiment is a vehicle that includes the tandem radiator structure of the embodiment. When the vehicle is running, because the connection mode of the front radiator 1 and the rear radiator 2 is non-rigid connection and the buffer performance is better, the connection part can not be loosened even if the vehicle is in long-term running vibration, and the improvement of user experience is facilitated.
The invention discloses an installation and disassembly method of a series radiator structure of a pure electric vehicle, which comprises the following steps:
when the front radiator 1 and the rear radiator 2 are assembled, the front radiator 1 and the rear radiator 2 are aligned firstly, so that the first front radiator water chamber 12 is aligned with the second rear radiator water chamber 23, and the second front radiator water chamber 13 is aligned with the first rear radiator water chamber 22.
Then, the two elastic block reinforcing ribs 1214 on the first front connecting piece 121 and the second front connecting piece 131 are aligned with the mounting holes 2211 on the first rear connecting piece 221 and the second rear connecting piece 231, the front heat sink 1 and the rear heat sink 2 are pressed towards each other by force, and the two elastic block reinforcing ribs 1214 enter the mounting holes 2211 under the deformation of the elastic blocks 1213, so that the front heat sink 1 and the rear heat sink 2 are stably and non-rigidly connected, and the shock absorption performance is better.
When the front connecting piece is disassembled, the two elastic blocks 1213 are oppositely pressed, so that the first front connecting piece 121 or the second front connecting piece 131 can be taken out from the mounting hole 2211, and the disassembly and the assembly are both convenient and quick.
Although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted without departing from the true spirit and scope of the present invention, which is defined by the claims appended hereto. The techniques, shapes, and configurations not described in detail in the present invention are all known techniques.
Claims (9)
1. A series radiator structure of a pure electric vehicle comprises a front radiator and a rear radiator, wherein the front radiator comprises a front radiator core, a first front radiator water chamber is arranged on one side of the front radiator core, and a second front radiator water chamber is arranged on the other side of the front radiator core; the rear radiator comprises a rear radiator core body, a first rear radiator water chamber is arranged on one side of the rear radiator core body, and a second rear radiator water chamber is arranged on the other side of the rear radiator core body; the method is characterized in that: be provided with first preceding connecting piece on the radiator hydroecium before first, be provided with connecting piece before the second on the radiator hydroecium before the second, be provided with first back connecting piece on the radiator hydroecium after the first, be provided with connecting piece after the second on the radiator hydroecium after the second, connecting piece can be dismantled with first back connecting piece before the first, connecting piece can dismantle with second back connecting piece before the second and be connected.
2. The series radiator structure of the pure electric vehicle according to claim 1, wherein: the first front connecting piece is connected with the second rear connecting piece in a buckling mode, and the second front connecting piece is connected with the first rear connecting piece in a buckling mode.
3. The series radiator structure of the pure electric vehicle according to claim 2, wherein: the first front connecting piece and the second front connecting piece are identical in structure and comprise mounting seats, elastic blocks with the same length are arranged on two sides of each mounting seat, and elastic block reinforcing ribs are arranged at one ends, far away from the mounting seats, of the elastic blocks; the structure of the first rear connecting piece is the same as that of the second rear connecting piece, mounting holes are formed in the first rear connecting piece and the second rear connecting piece, and the elastic blocks on the two sides of the mounting seat are clamped in the mounting holes.
4. The series radiator structure of the pure electric vehicle according to claim 3, wherein: the shape of the elastic block reinforcing rib is trapezoidal, and the width of one side, close to the elastic block, of the elastic block reinforcing rib is larger than the width of one side, far away from the elastic block, of the elastic block reinforcing rib.
5. The series radiator structure of the pure electric vehicle according to claim 4, wherein: and mounting hole reinforcing ribs are arranged on two sides of the mounting hole.
6. The series radiator structure of the pure electric vehicle according to claim 5, wherein: the cross-section of mount pad is the I shape, including first holding tank and second holding tank, two elastic blocks of mount pad both sides gliding setting respectively are in first holding tank and second holding tank.
7. The series radiator structure of the pure electric vehicle according to claim 1, wherein: the first front connecting piece and the first front radiator water chamber are integrally formed by injection molding, the second front connecting piece and the second front radiator water chamber are integrally formed by injection molding, and the first front connecting piece, the first front radiator water chamber, the second front connecting piece and the second front radiator water chamber are made of PA66-GF30.
8. The series radiator structure of the pure electric vehicle according to claim 1, wherein: the first rear connecting piece and the first rear radiator water chamber are integrally formed by injection molding, the second rear connecting piece and the second rear radiator water chamber are integrally formed by injection molding, and the first rear connecting piece, the first rear radiator water chamber, the second rear connecting piece and the second rear radiator water chamber are made of PA66-GF30.
9. A vehicle, characterized in that: the vehicle comprising a series radiator arrangement according to any one of claims 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210908187.XA CN115420119A (en) | 2022-07-29 | 2022-07-29 | Pure electric vehicles series connection radiator structure and vehicle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210908187.XA CN115420119A (en) | 2022-07-29 | 2022-07-29 | Pure electric vehicles series connection radiator structure and vehicle |
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| CN115420119A true CN115420119A (en) | 2022-12-02 |
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| CN202210908187.XA Pending CN115420119A (en) | 2022-07-29 | 2022-07-29 | Pure electric vehicles series connection radiator structure and vehicle |
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