CN204905383U - Lithium ion battery module and car - Google Patents

Lithium ion battery module and car Download PDF

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Publication number
CN204905383U
CN204905383U CN201520459564.1U CN201520459564U CN204905383U CN 204905383 U CN204905383 U CN 204905383U CN 201520459564 U CN201520459564 U CN 201520459564U CN 204905383 U CN204905383 U CN 204905383U
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CN
China
Prior art keywords
radiating part
lithium ion
ion battery
battery module
heat
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CN201520459564.1U
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Chinese (zh)
Inventor
郑卫鑫
曾毅
朱建华
朱燕
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BYD Co Ltd
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BYD Co Ltd
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Priority to CN201520459564.1U priority Critical patent/CN204905383U/en
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Publication of CN204905383U publication Critical patent/CN204905383U/en
Priority to PCT/CN2016/084738 priority patent/WO2017000746A1/en
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

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Abstract

The utility model relates to a lithium ion battery module and car, the utility model provides a lithium ion battery module includes the cooling plate, and the cooling plate includes heat -conducting plate and cooling tube, the cooling tube is including setting up the radiating part in the heat -conducting plate and being located the import department of radiating part one end and the export department that is located the radiating part other end, radiating part formula pipeline as an organic whole. Be provided with foretell lithium ion battery module in the car. The utility model discloses a cooling plate is located the radiating part formula pipeline as an organic whole of heat -conducting plate, and the coolant liquid flow is in the cooling tube of cooling plate, because the radiating part formula pipeline as an organic whole of cooling tube does not weld the limit, the coolant liquid contact not dao welds the brazing filler metal, and the cooling tube can not influence its sealing performance because the solder is corroded or the condition of weeping appear, and the corrosion resistance of this cooling tube is strong, the sealing reliability is high. And can not use the battery mould group security performance of this cooling plate high because of the weeping brings adverse effect to the security performance of battery.

Description

A kind of lithium ion battery module and automobile
Technical field
The utility model relates to the cooling heat dissipation field of lithium ion battery module, relates generally to a kind of coldplate and the lithium ion battery module containing this coldplate.
Background technology
Lithium rechargeable battery, owing to having the advantages such as lightweight, volume is little, pollution-free, interior pressure is little, low cost, has become mancarried electronic aid with to obtain main power source.And battery is in use, when many extreme such as short circuit, high current charge-discharge etc., battery modules inside can produce a large amount of heats, if dispelled the heat not in time, will on the serviceability of battery modules particularly security performance cause very large impact.In the electrokinetic cell that vehicle uses, more should be noted that the security performance of battery; Therefore, by the design to radiator structure in battery modules, make in the use procedure of battery modules, or when occurring extreme, its internal heat can distribute in time, be the making of electrokinetic cell and need the direction of primary study in using.
In the heat sink conception that prior art is conventional, the docking of many employing double layer of metal plates forms one piece of coldplate; As depicted in figs. 1 and 2, coldplate 1 comprises metallic plate 11 and lower metallic plate 12, in upper metallic plate 11 or lower metallic plate 12, at least one is provided with cooling groove 21(as shown in Figure 2, lower metallic plate 12 is provided with cooling groove 21), then upper metallic plate 11 and lower metallic plate 12 are fixed together by soldering, and cooling groove 21 is sealed between upper metallic plate 11 and lower metallic plate 12, form the cooling duct of sealing, for coolant flow.In this technical scheme, the import of cooling duct and outlet, all need at external pipe, and need to carry out welded seal.
In technique scheme, Welding face between upper metallic plate 11 and lower metallic plate 12 is long, and cooling duct and import and also will weld between exporting, in use, weld easily corrode by the cooling fluid that circulates wherein, and then there is the problem of leakage.Therefore, in such scheme, the restricted lifetime of coldplate, and the situation easily occurring leakage after being corroded, its liquid flows in battery modules, easily causes damage to battery modules, reduces the useful life of battery modules; Further, leakage not only can cause radiating effect bad, and can affect the security performance of battery modules use.
Summary of the invention
The utility model is intended to solve the problems of the technologies described above at least to a certain extent.
An object of the present utility model be to propose a kind of cooling water pipe and coldplate can not by burn into can not leakage, coldplate that security performance is high.
In order to solve the problems of the technologies described above, the utility model provides a kind of coldplate, comprise heat-conducting plate and cooling water pipe, described cooling water pipe comprises the radiating part be arranged in heat-conducting plate and the import department being positioned at radiating part one end and is positioned at the export department of the radiating part other end, and described radiating part is integral type pipeline.
The coldplate that the utility model provides, the radiating part being positioned at heat-conducting plate is integral type pipeline, coolant flow is in the cooling water pipe of coldplate, radiating part due to cooling water pipe is integral type pipeline, there is no welding edge, cooling fluid does not reach welding filler metal, and cooling water pipe can not affect its sealing property or occur the situation of leakage because solder is corroded, the corrosion resistance of this cooling water pipe is strong, sealing reliability is high.Meanwhile, reduce the possibility of leakage, improve the useful life of coldplate; And adverse effect can not be brought because of the security performance of leakage to battery, use the battery modules security performance of this coldplate high.
Preferably, the pipeline that is formed in one of described radiating part, import department and export department.
Preferably, described radiating part is flat tube.
Further, described radiating part is flattened by pipe and forms.
Preferably, described cooling water pipe welds or is pasted onto in heat-conducting plate.
Preferably, described heat-conducting plate is dull and stereotyped.
Preferably, described radiating part repeatedly bends in heat-conducting plate.
Further, the U-shaped or W type of described radiating part.
Preferably, the mouth of pipe of described radiating part is oval or rectangle.
Preferably, the width of described radiating part is 1.2-2 with the ratio of the diameter flattening front pipe.
Further, the width of described radiating part is 1.4-1.8 with the ratio of the diameter flattening front pipe.
Preferably, described heat-conducting plate is provided with radiating part mounting groove, the radiating part of described cooling water pipe is arranged in radiating part mounting groove.
Further, described heat-conducting plate comprises body and Ban Gai, and described radiating part mounting groove is arranged on body, and described plate lid is fixedly connected with body, is encapsulated between plate lid and body by described radiating part mounting groove.
Further, described radiating part welds or is pasted onto in radiating part mounting groove.
Further, described radiating part mounting groove repeatedly bends in described heat-conducting plate.
Further, the U-shaped or W type of described radiating part mounting groove.
Preferably, described radiating part mounting groove is made up of the reinforcement arranged on the cooling plate and the groove between adjacent two reinforcements.
Further, the madial wall of described radiating part mounting groove is provided with limited impression, described radiating part is connected in described radiating part mounting groove by described limited impression.
Another object of the present utility model there are provided a kind of lithium ion battery module, is provided with coldplate, the coldplate that described coldplate provides for the utility model in described lithium ion battery module.
The lithium ion battery module that the utility model provides, there will not be because cooling water pipe in coldplate is corroded leakage or affects the situation of its security performance, coldplate has higher sealing reliability and corrosion resistance, has higher security performance.
Another object of the present utility model there are provided a kind of automobile, is provided with lithium ion battery module in described automobile, the lithium ion battery module that described lithium ion battery module provides for the utility model.
Additional aspect of the present utility model and advantage will part provide in the following description, and part will become obvious from the following description, or be recognized by practice of the present utility model.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present utility model and advantage will become obvious and easy understand from accompanying drawing below combining to the description of embodiment, wherein:
Fig. 1 is the overall structure schematic diagram of coldplate in prior art.
Fig. 2 is the explosive view of plate structure of cooling in prior art.
Fig. 3 is the overall structure schematic diagram of coldplate in the utility model embodiment.
Fig. 4 is the pipe structure for cooling schematic diagram before flattening in the utility model embodiment.
Fig. 5 is the pipe structure for cooling schematic diagram after flattening in the utility model embodiment.
Fig. 6 be in the utility model embodiment cooling water pipe and heat-conducting plate in conjunction with schematic diagram.
Fig. 7 is the schematic cross-section of heat-conducting plate body in another embodiment of the utility model.
Fig. 8 is the pipe structure for cooling schematic diagram in the utility model embodiment after bending.
Reference numeral:
1, heat-conducting plate; 11, upper metallic plate; 12, lower metallic plate; 13, radiating part mounting groove; 131, reinforcement; 132, limited impression; 14, body; 15, Ban Gai; 2, cooling water pipe; 21, cooling groove; 22, import department; 23, export department; 24, radiating part.
Embodiment
Be described below in detail embodiment of the present utility model, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the utility model, and can not be interpreted as restriction of the present utility model.
In description of the present utility model, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", orientation or the position relationship of the instruction such as " outward " are based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.
In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristic.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise one or more these features.In description of the present utility model, the implication of " multiple " is two or more, unless otherwise expressly limited specifically.
In the utility model, unless otherwise clearly defined and limited, the term such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, the concrete meaning of above-mentioned term in the utility model can be understood as the case may be.
Below, 3 and the 4 illustratively coldplates that provide of the utility model by reference to the accompanying drawings, comprise heat-conducting plate 1 and cooling water pipe 2, wherein cooling water pipe 2 comprises the radiating part 24 that is arranged in heat-conducting plate 1 and the import department 22 being positioned at radiating part 24 one end and the export department 23 being positioned at radiating part 24 other end, and described radiating part 24 is integral type pipeline.It is inner that radiating part 24 is arranged on heat-conducting plate 1, and by the contact of radiating part 24 with heat-conducting plate 1, the heat collected by heat-conducting plate 1 is taken away via the cooling fluid flow through from radiating part 24, to reach the object of cooling, cooling.In the utility model, as shown in Figure 3 and Figure 4, import department 22 and export department 23 lay respectively at the two ends of radiating part 24.Here import department 22 and export department 23 refer to the end being positioned at heat-conducting plate 1, are used for introducing or draw from radiating part 24 interface of cooling fluid in radiating part 24.Import department 22 and export department 23 are the call to the pipeline being positioned at heat-conducting plate 1 end, do not limit its structure and particular location.As shown in Figure 3, import department 22 and export department 23 can be positioned at the same side of heat-conducting plate 1, drawings describe wherein a kind of position relationship here just by an embodiment; In addition, import department 22 and export department 23 also can be positioned at the not homonymy of heat-conducting plate 1, such as, can be positioned at the relative both sides of heat-conducting plate 1 or the adjacent both sides of heat-conducting plate 1, be all feasible, do not form restriction of the present utility model at this.
Radiating part 24 unitary tubes.Here unitary tubes refers to conventional integrated pipeline, not welding or other mechanical connections on radiating part 24, but the pipeline be made up of a complete metal tube or other insulating heat-conduction materials is made.In an embodiment, as shown in Figure 4, namely radiating part 24 is formed by bending by a complete pipeline, and its two ends and import department 22 and export department 23 are connected and sealed.In the utility model, radiating part 24, import department 22 and export department 23 are all to better describe the technical solution of the utility model and technique effect, the artificial division to cooling water pipe 2.In fact, if radiating part 24, import department 22 and export department 23 separately out, are all complete pipelines; Or three of an integral conduit parts.
The coldplate that the utility model provides, the radiating part 24 being positioned at heat-conducting plate 1 is integral type pipeline, coolant flow is in the cooling water pipe 2 of coldplate, because the radiating part 24 of cooling water pipe 2 is integral type pipeline, there is no welding edge, cooling fluid does not reach welding filler metal, and cooling water pipe 2 can not affect its sealing property or occur the situation of leakage because solder is corroded, the corrosion resistance of this cooling water pipe 2 is strong, sealing reliability is high.Meanwhile, reduce the possibility of leakage, improve the useful life of coldplate; And adverse effect can not be brought because of the security performance of leakage to battery, make the battery modules security performance using this coldplate high.
In an embodiment of the present utility model, above-mentioned cooling water pipe 2 is integral type pipeline, and radiating part 24, import department 22 and export department 23 are a part for this unitary tubes.As shown in Figure 4, formed after complete pipeline (unitary tubes can be the pipeline that metal tube or other insulating heat-conduction materials an are made) bending, this complete pipeline, after bending, comprises radiating part 24, import department 22 and export department 23.Way like this, when making cooling water pipe 2, directly can bend a complete pipeline (such as metal tube), making cooling water pipe 2; In the process, make simple and make on cooling water pipe 2 without any welding or mechanical connection.Therefore, not only on radiating part 24 without any weld mark, and radiating part 24 and import department 22, radiating part 24 and export department 23 and import department 22, in export department 23 all without any weld mark.So, cooling fluid in cooling water pipe 2 not only can not corrode radiating part 24, and the junction of import department 22, export department 23 and radiating part 24 and import department 22 and export department 23 can not be eroded to, further improve corrosion resistance and the sealing reliability of cooling water pipe, reduce the possibility of leakage, improve the security performance of the battery modules using this coldplate.
As shown in Figure 5, in an embodiment of the present utility model, radiating part 24 is flat tube.Make use of flat tube herein and have two roomy surfaces, radiating part 24 can more large-arealy be contacted with heat-conducting plate 1, making the heat in heat-conducting plate 1, easier to penetrate cooling water pipe 2 by radiating part 24 inner, taken away, play better radiating effect by cooling fluid.
Further, in another embodiment of the present utility model, radiating part 24 is flattened by pipe and forms.Pipe flatten process in, can manual control pipe flatten thickness; In addition, in preparation process, also first radiating part 24 can be placed in heat-conducting plate 1, then extrude heat-conducting plate 1, and then obtain the radiating part 24 that is crushed.
In an embodiment of the present utility model, cooling water pipe 2 welds or is pasted onto in heat-conducting plate 1.More refinement, radiating part 24 welds or is pasted onto in heat-conducting plate 1.
Above radiating part 24 or flat tube are at the preferred thermal conductivity of material business and the good material of calenderability, such as Al and Alalloy, Copper and its alloy, high thermal conductivity polymeric material, magnadure etc.The preferred thermal conductivity of material of outside heat-conducting plate 1 and the good material of intensity, such as Al and Alalloy, Copper and its alloy, high thermal conductivity polymeric material, magnadure etc.
In an embodiment of the present utility model, as shown in Figure 3, heat-conducting plate 1 is dull and stereotyped.Being arranged to flat board is in order to better and surrounding need the structure of lowering the temperature to carry out good laminating, better to realize heat conducting function.Further, dull and stereotyped existence, makes the radiating part 24 that heat-conducting plate 1 can be flat tube with shape better contact.Certainly, in order to better match with the structure that outside need is lowered the temperature, if external structure exists some special shape, such as L shape, surface band are fluted etc., and heat-conducting plate 1 also can be designed to the structure with this L shape or groove match.
In an embodiment of the present utility model, as shown in Fig. 5 or Fig. 8, in order to make coldplate better play thermolysis, radiating part 24 can be selected repeatedly to bend in heat-conducting plate 1, above-mentionedly repeatedly to bend, for radiating part 24 is arranged on the shape after in heat-conducting plate 1; To increase the contact area of radiating part more than 24 heat-conducting plate 1, thus increase the speed that in heat-conducting plate 1, heat transmits in cooling water pipe 2, improve the heat dispersion of coldplate.
Preferred, in the utility model, the radiating part 24 of cooling water pipe 2 can in heat-conducting plate 1 U-shaped or W type.As shown in Figure 8, the arrangement of W type is.
In an embodiment of the present utility model, as shown in Figure 6, the mouth of pipe of radiating part 24 is oval; Certainly, can also be other shapes such as rectangle.The oval mouth of pipe, directly can extrude formation by pipe on the one hand, easy to make; On the other hand by hereinafter presenting, the oval mouth of pipe can better and radiating part mounting groove 13 carry out interference fit, make the connection between cooling water pipe 2 and heat-conducting plate 1 more firm.
In the utility model, the width of radiating part, the width of wide of namely above described flat tube is 1.4-1.8 with the ratio of the diameter flattening front pipe.More preferably, can selection percentage scope within the scope of 1.4-1.8.Aforementioned proportion, be by consider contact area and cooling liquid speed on radiating effect affect prerequisite under propose.In theory, contact area is larger, cooling liquid speed is faster, and the radiating effect of coldplate is also better; But in practical structures, if think, contact area is large, will to radiating part 24 press more flat, the liquid cross-sectional that will certainly affect like this when cooling fluid circulates in cooling water pipe is amassed, and sectional area is less, and the flow velocity of cooling fluid will be slower.Therefore, in order to take into account the flow velocity of contact area and cooling fluid, the utility model designs the radiating part 24 of cooling water pipe 2 further, the diameter ratio of its width and pipe is limited; Under the prerequisite increasing contact area as far as possible, ensure the flow velocity of cooling fluid in cooling water pipe as far as possible.
As shown in Figure 6, in the coldplate that the utility model provides, heat-conducting plate 1 is provided with radiating part mounting groove 13, the radiating part 24 of cooling water pipe 2 is arranged in this radiating part mounting groove 13.Namely in heat-conducting plate 1, be first formed with pre-determined bit or lay the groove of radiating part 24 of cooling water pipe 2, in the process making coldplate, the radiating part 24 of cooling water pipe 2 first can be placed in above-mentioned radiating part mounting groove 13, pre-determined bit is carried out to it, so that follow-up connection or flattening operation.Above-mentioned radiating part mounting groove 13 is trapped in the groove in coldplate in can being, also can be by arranging protruding parts on the cooling plate, by adjacent two protruding parts and between groove composition radiating part groove is installed.
Further, above-mentioned heat-conducting plate 1 comprises body 14 and plate lid (not shown), and radiating part mounting groove 13 is arranged on body 14, is then fixedly connected with coordinating of plate lid by body 14, is encapsulated between plate lid and body 14 by radiating part mounting groove 13.Also cooling water pipe 2 is encapsulated between body 14 and plate lid simultaneously.It is sealed, heat radiation.
As described above, the radiating part 24 of cooling water pipe 2 welds or is pasted onto in radiating part mounting groove 13.
In order to coordinate radiating part 24 in heat-conducting plate 1 inside in repeatedly bending arrangement or U-shaped, W type arrangement, above-mentioned radiating part mounting groove 13 is also in repeatedly bending arrangement or U-shaped, W type arrangement.
In an embodiment of the present utility model, radiating part mounting groove 13 is made up of the reinforcement 131 arranged on the cooling plate and the groove between adjacent two reinforcements 131.As shown in Figure 6, body 14 is provided with two reinforcements raised up 131, jointly constitutes radiating part by these two reinforcements and groove is installed.The setting of shown reinforcement 131, improves the intensity of coldplate entirety.In the utility model, the coldplate that both ends of the surface can be adopted all to seal also can be the coldplate of one side sealing; When adopting the coldplate of one side sealing, the body 14 in Fig. 6 can be considered as the plate body of whole coldplate; When adopt two sides sealing coldplate time, so illustrate only the structure of radiating part mounting groove that body 14 and body 14 are arranged in Fig. 6.In a word, Fig. 6 is the relatively good embodiment of the utility model one.In Fig. 6, body 14 is provided with two reinforcements 131, forms radiating part by these two reinforcements 131 and groove 13 is installed, then plate lid (not shown) is covered on body 14 form last coldplate.In fact above-mentioned reinforcement 131 is exactly the lug boss in the plate face higher than coldplate arranged on the cooling plate, is used for forming radiating part mounting groove plays reinforcement simultaneously effect to coldplate.
In another embodiment of the present utility model, as shown in Figure 7, the madial wall of radiating part mounting groove 13 is provided with limited impression 132, radiating part 24 is connected in radiating part mounting groove 13 by limited impression 132.No matter radiating part mounting groove 13 is trapped in coldplate inside in being, or is made up of the reinforcement arranged in its surface, its madial wall all can arrange above-mentioned limited impression 132, be used for carrying out spacing to radiating part 24.The radiating part 24 of cooling water pipe 2 is connected to above-mentioned limited impression 132 inside.Here be exactly above-mentioned interference fit, by interference fit, radiating part 24 be connected to radiating part and install in groove 13, so that the stability of follow-up processing and fabricating and coldplate.
Meanwhile, the utility model additionally provides a kind of lithium ion battery module, is provided with coldplate, the coldplate that above-mentioned coldplate provides for the utility model in this lithium ion battery module.
The lithium ion battery module that the utility model provides, there will not be because cooling water pipe in coldplate is corroded leakage or affects the situation of its security performance, coldplate has higher sealing reliability and corrosion resistance, has higher security performance.
The utility model additionally provides a kind of automobile, is provided with lithium ion battery module in described automobile, the lithium ion battery module that this lithium ion battery module provides for the utility model.
In the description of this specification, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present utility model or example.In this manual, identical embodiment or example are not necessarily referred to the schematic representation of above-mentioned term.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.
Although illustrate and described embodiment of the present utility model above, be understandable that, above-described embodiment is exemplary, can not be interpreted as restriction of the present utility model, those of ordinary skill in the art can change above-described embodiment when not departing from principle of the present utility model and aim, revising, replacing and modification in scope of the present utility model.

Claims (19)

1. a lithium ion battery module, it is characterized in that, coldplate is provided with in described lithium ion battery module, described coldplate comprises heat-conducting plate and cooling water pipe, described cooling water pipe comprises the radiating part be arranged in heat-conducting plate and the import department being positioned at radiating part one end and is positioned at the export department of the radiating part other end, and described radiating part is integral type pipeline.
2. lithium ion battery module according to claim 1, the pipeline that described radiating part, import department and export department are formed in one.
3. lithium ion battery module according to claim 1 and 2, is characterized in that, described radiating part is flat tube.
4. lithium ion battery module according to claim 1 and 2, is characterized in that, described radiating part is flattened by pipe and forms.
5. lithium ion battery module according to claim 1, is characterized in that, described cooling water pipe welds or is pasted onto in heat-conducting plate.
6. lithium ion battery module according to claim 1, is characterized in that, described heat-conducting plate is dull and stereotyped.
7. lithium ion battery module according to claim 1, is characterized in that, described radiating part repeatedly bends in heat-conducting plate.
8. lithium ion battery module according to claim 6, is characterized in that, the U-shaped or W type of described radiating part.
9. lithium ion battery module according to claim 1, is characterized in that, the mouth of pipe of described radiating part is oval or rectangle.
10. lithium ion battery module according to claim 4, is characterized in that, the width of described radiating part is 1.2-2 with the ratio of the diameter flattening front pipe.
11. lithium ion battery modules according to claim 10, is characterized in that, the width of described radiating part is 1.4-1.8 with the ratio of the diameter flattening front pipe.
12. lithium ion battery modules according to claim 1, is characterized in that, described heat-conducting plate is provided with radiating part mounting groove, the radiating part of described cooling water pipe is arranged in radiating part mounting groove.
13. lithium ion battery modules according to claim 12, it is characterized in that, described heat-conducting plate comprises body and Ban Gai, and described radiating part mounting groove is arranged on body, described plate lid is fixedly connected with body, is encapsulated between plate lid and body by described radiating part mounting groove.
14. lithium ion battery modules according to claim 12 or 13, is characterized in that, described radiating part welding or be pasted onto in radiating part mounting groove.
15. lithium ion battery modules according to claim 12 or 13, it is characterized in that, described radiating part mounting groove repeatedly bends in described heat-conducting plate.
16. lithium ion battery modules according to claim 15, is characterized in that, the U-shaped or W type of described radiating part mounting groove.
17. lithium ion battery modules according to claim 12, is characterized in that, described radiating part mounting groove is made up of the reinforcement arranged on the cooling plate and the groove between adjacent two reinforcements.
18. lithium ion battery modules according to claim 12, is characterized in that, the madial wall of described radiating part mounting groove is provided with limited impression, and described radiating part is connected in described radiating part mounting groove by described limited impression.
19. 1 kinds of automobiles, is characterized in that, are provided with lithium ion battery module in described automobile, and described lithium ion battery module is the lithium ion battery module described in claim 1-18 any one.
CN201520459564.1U 2015-06-30 2015-06-30 Lithium ion battery module and car Active CN204905383U (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201520459564.1U CN204905383U (en) 2015-06-30 2015-06-30 Lithium ion battery module and car
PCT/CN2016/084738 WO2017000746A1 (en) 2015-06-30 2016-06-03 Cooling plate, lithium-ion battery module, and automobile

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520459564.1U CN204905383U (en) 2015-06-30 2015-06-30 Lithium ion battery module and car

Publications (1)

Publication Number Publication Date
CN204905383U true CN204905383U (en) 2015-12-23

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CN201520459564.1U Active CN204905383U (en) 2015-06-30 2015-06-30 Lithium ion battery module and car

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017000746A1 (en) * 2015-06-30 2017-01-05 比亚迪股份有限公司 Cooling plate, lithium-ion battery module, and automobile
CN106653521A (en) * 2016-12-21 2017-05-10 广东威特真空电子制造有限公司 Magnetron
CN108987844A (en) * 2017-05-31 2018-12-11 比亚迪股份有限公司 A kind of battery and battery modules

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017000746A1 (en) * 2015-06-30 2017-01-05 比亚迪股份有限公司 Cooling plate, lithium-ion battery module, and automobile
CN106653521A (en) * 2016-12-21 2017-05-10 广东威特真空电子制造有限公司 Magnetron
CN108987844A (en) * 2017-05-31 2018-12-11 比亚迪股份有限公司 A kind of battery and battery modules

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