CN202259493U - Battery box and battery pack module - Google Patents
Battery box and battery pack module Download PDFInfo
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- CN202259493U CN202259493U CN2011203489187U CN201120348918U CN202259493U CN 202259493 U CN202259493 U CN 202259493U CN 2011203489187 U CN2011203489187 U CN 2011203489187U CN 201120348918 U CN201120348918 U CN 201120348918U CN 202259493 U CN202259493 U CN 202259493U
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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
本实用新型提供一种电池箱，包括箱体和上盖，箱体包括前、后端板以及中间部分，中间部分包括左、右侧板以及底板，左、右侧板分别与前、后端板垂直连接，其中，左、右侧板设置有供外部冷空气进入的空气通道，且左、右侧板的内壁上设置有进风组件；上盖设置有出风组件，并且进风组件包括进风口、横向风道、纵向风道以及多个通风孔。还提供一种具有上述电池箱的电池组模块。本实用新型的电池箱利用内部具有间隙的结构形成通风风道，使得其同时具备结构支撑和通风两个功能，这样可充分利用电池箱内部空间，使得电池箱结构紧凑，通风效果好。
The utility model provides a battery box, which includes a box body and an upper cover. The box body includes front and rear end plates and a middle part. The middle part includes left and right side plates and a bottom plate. The plates are vertically connected, wherein the left and right side plates are provided with air passages for external cold air to enter, and the inner walls of the left and right side plates are provided with an air inlet assembly; the upper cover is provided with an air outlet assembly, and the air intake assembly includes Air inlets, horizontal air ducts, longitudinal air ducts and multiple ventilation holes. There is also provided a battery pack module having the above battery box. The battery box of the utility model utilizes a structure with gaps inside to form a ventilation duct, so that it has two functions of structural support and ventilation at the same time, so that the internal space of the battery box can be fully utilized, and the battery box has a compact structure and good ventilation effect.
Description
Technical field
The utility model relates to battery case and battery module, relates to the lithium ion battery case and the battery module that are used for electric automobile especially.
Background technology
Along with the development of electric vehicle engineering and lithium-ion electric pool technology, lithium ion battery obtains use more and more widely in the electric automobile field.In recent years, as important part in the electric automobile, electric automobile lithium ion battery box technology developed rapidly.In order to satisfy the requirement of lithium ion battery for operational environment; Satisfy the requirement that battery case uses simultaneously on pure electric automobile; Battery case should have following basic function: 1, can keep lithium ion battery under the temperature that is fit to, to work; Promptly when the summer environment temperature is higher, need good ventilation refrigerating function, can realize heating and heat preserving function winter.2, battery case needs enough intensity, can protect battery, can both guarantee that under each operating mode of electric automobile during traveling battery can not receive excessive pressure and excessive shock loading.3, excellent sealing performance is arranged, prevent the influence of dust and water battery.4, enough spaces are arranged in order to arrange battery case internal high pressure circuit and low-voltage circuit.5, battery case is adorned the lithium ion battery total capacity and need be satisfied the electric automobile requirement, and the overall dimension of battery case will satisfy the requirement of electric automobile simultaneously.7, maintenance and repair are convenient, comprise the dismounting of battery case, the replacing of battery etc.
For realizing above-mentioned functions, must consider meeting under the condition of dimensional requirement during the design battery case, reasonably utilize the inner space as far as possible.Existing lithium ion battery box-shaped formula is various, but cuts both ways at aspects such as structural strength, ventilation effect, cost, maintenance conveniences.
The utility model content
The purpose of the utility model is to provide a kind of battery case that overcomes the existing structure defective; Through utilizing box inner structure to form the ventilation air channel battery is forced cooling, make body structure possess the support structure and two functions of ventilating simultaneously, can make full use of the battery case inner space like this; Make the battery case compact conformation; Structural strength strengthens, and ventilation effect is good, and is easy to maintenance low with cost.
The purpose of the utility model also is to provide a kind of improved battery module, and it makes that through modular design the maintenance of battery case is quite convenient.
First aspect according to the utility model; A kind of battery case is provided; Comprise: the loam cake of casing and capping casing upper end; Casing comprises front end-plate positioned opposite to each other and end plate and the mid portion between front end-plate and end plate, and mid portion comprises the base plate of the bottom of left plate positioned opposite to each other and right plate and capping casing, and left plate is connected with front end-plate and end plate are vertical respectively with right plate; Wherein, the left plate of mid portion and right plate are provided with the air duct that the confession cool exterior air that penetrates side plate gets into, and the inwall of left plate and right plate is provided with the air intake assembly, and loam cake is provided with the air-out assembly; The air intake assembly comprises: air inlet, and it is positioned at being communicated with the corresponding position of air duct and with air duct of air intake assembly; Horizontal air channel, it is positioned at the air inlet top and is communicated with air inlet, and laterally extend towards the direction of front end-plate and end plate respectively at the two ends in air channel; Vertical air channel, it is plate and right plate bottom extension to the left from horizontal air channel, and is communicated with horizontal air channel but is not communicated with air inlet; And a plurality of ventilation holes, said a plurality of ventilation holes are arranged on the below in vertical air channel, and are communicated with vertical air channel and box house but are not communicated with air inlet.
The air intake assembly can be formed by metallic plate.Top, left and right sides portion from metallic plate are formed with top flange, the first left side flange and the first right side flange that outwards stretches out respectively.The upper/lower positions place is leaned on by central authorities in the space that is crossed by top flange, the first left side flange and the first right side flange, is formed with base flange, the second left side flange and the second right side flange that outwards stretches out respectively from the surface of metallic plate.
Laterally the air channel is formed by the gap between inwall, top flange and the metallic plate of left plate or right plate; Vertically the air channel is formed by inwall, the first left side flange and the second left side flange of left plate or right plate or the gap between the first right side flange and the second right side flange and the metallic plate; Air inlet is formed by the gap between inwall, base flange, the second left side flange, the second right side flange and the metallic plate of left plate or right plate.
Preferably; Free end at top flange, the first left side flange and the first right side flange is formed with first kink respectively; The overbending direction of first kink is: first kink of top flange bends towards the top; First kink of the first left side flange bends towards the left side, and first kink of the first right side flange bends towards the right side.
Preferably; Free end at base flange, the second left side flange and the second right side flange is formed with second kink respectively; The overbending direction of second kink is: second kink of base flange bends towards the bottom; Second kink of the second left side flange bends towards the left side, and second kink of the second right side flange bends towards the right side.
Preferably, plane, first kink of top flange, the first left side flange and first right side flange place flushes with the plane, second kink place of base flange, the second left side flange and the second right side flange each other.
The air-out assembly comprises symmetrically arranged two air exhausters and two air outlets.Preferably, air outlet adopts the conical by its shape of " narrow advance wide go out ".
Further, the left plate of mid portion and right plate two-layerly are made up of inside and outside, and skin for example is a plane steel plate, and the inwall of internal layer is provided with the air intake assembly, thereby has strengthened structural strength to a certain extent.Skin and internal layer all are provided with the air duct that supplies cool exterior air to get into and communicate with each other, and formed air duct is convenient to cool exterior air and is got into air intake assembly and and then entering box house.
According to the utility model on the other hand, a kind of battery module is provided also, comprises: according to the described battery case of the utility model first aspect; At the left plate of battery case and the dividing plate between the right plate, it is separated into the battery case box house several chambers that communicate with each other; And be arranged at a plurality of battery cells in each chamber of battery case box house.
On total; The utility model is forced cooling through utilizing box inner structure to form the ventilation air channel to battery, makes above-mentioned body structure possess the improved battery case of the support structure and two functions of ventilating simultaneously, can make full use of the battery case inner space like this; Make the battery case compact conformation; Structural strength strengthens, and ventilation effect is good, and is easy to maintenance low with cost.
In addition, make that through modular design the battery maintenance is quite convenient, when one or several breaks down in several battery cells, can fix a breakdown through the way of replacement.
Description of drawings
Illustrate execution mode with reference to accompanying drawing according to the utility model, wherein:
Fig. 1 is the schematic perspective view according to the battery case of the utility model one execution mode;
Fig. 2 is the body structure sketch map that removes behind the battery case loam cake of Fig. 1, wherein in the inner space of battery case casing, accommodates a plurality of battery cells;
Fig. 3 is the body structure sketch map of battery case casing after removing battery cell of Fig. 2;
Fig. 4 is arranged on the stereogram of the air intake assembly on the side plate inwall of battery case casing of Fig. 3;
Fig. 5 is the front view along the observable air intake assembly of arrow A direction among Fig. 4, wherein shows the flow direction of air; And
Fig. 6 is the structural representation of the battery case loam cake of observable Fig. 1 from bottom to top.
Embodiment
Hereinafter will be done further to detail referring to figs. 1 through 6 pairs of the utility model, and wherein in each accompanying drawing, same reference numerals indicates similar elements.
Thereby the utility model mainly through with the internal structure in the battery case casing as the air channel, and and then battery is forced cooling at the inner circulation air path that forms the enclose inside that is communicated with of entire cell case.Further; The utility model is also placed a plurality of identical battery cells through in above-mentioned battery case, dividing into groups battery module is provided; Make when one or more battery cells break down; Can detect apace and fix a breakdown, thereby make things convenient for the installation, maintenance and the replacing of battery module.
The first aspect of the utility model provides a kind of battery case.Fig. 1 is the schematic perspective view according to an execution mode battery case of the utility model; Fig. 2 is the body structure sketch map that removes behind the battery case loam cake of Fig. 1, wherein in the inner space of battery case casing, accommodates a plurality of battery cells; And Fig. 3 is the body structure sketch map of battery case casing after removing battery cell of Fig. 2.Referring to Fig. 1 to 3; The loam cake 2 that comprises casing 1 and capping casing upper end according to the battery case 100 of the preferred implementation of the utility model; Casing 1 comprises front end-plate positioned opposite to each other 4 and end plate 6 and the mid portion 7 between front end-plate 4 and end plate 6; Mid portion 7 comprises the base plate 7C of the bottom of left plate 7A positioned opposite to each other and right plate 7B and capping casing, left plate 7A and right plate 7B respectively with front end- plate 4 and 6 vertical connections of end plate; Wherein, the left plate 7A of mid portion 7 and right plate 7B are provided with the air duct 71 of the confession cool exterior air entering that penetrates side plate, and all are provided with hereinafter on the inwall of left plate 7A and right plate 7B with the air intake assembly 8 that details.In addition, the loam cake 2 of battery case 100 is provided with air-out assembly 16.
Referring to Fig. 1 and 2, the loam cake 2 of battery case 100 typically is connected to casing 1 removably.The front end-plate 4 of casing 1 and end plate 6 and the mid portion 7 between front end-plate 4 and end plate 6 can be one-body molded, perhaps also can be for example through modes such as welding and link together securely.On front end-plate 4, can install such as other battery case annexes such as battery management systems.For easy to use, can also be on front end-plate 4 mounting knob.
The left plate 7A of mid portion 7 and right plate 7B for example are connected to the front end-plate 4 and end plate 6 of casing 1 securely through modes such as welding, and the base plate 7C of mid portion 7 for example is connected to bottom and the front end-plate 4 of casing 1 and the bottom of end plate 6 of the left plate 7A and the right plate 7B of mid portion 7 securely through modes such as welding.As shown in the figure; The left plate 7A of mid portion 7 and right plate 7B are formed with the air duct 71 of the confession cool exterior air entering that penetrates side plate, and all are provided with the air intake assembly 8 corresponding to air duct 71 that hereinafter will detail on the inwall of left plate 7A and right plate 7B.Especially, the left plate 7A of mid portion 7 and right plate 7B two-layerly are made up of inside and outside, and skin for example is a plane steel plate, and the internal layer inwall is provided with air intake assembly 8 to accomplish the air intake process.
Especially, the base plate 7C of mid portion 7 is two-layer inside and outside also can being divided into, and internal layer is for example for having the plane steel plate of hole, and is outer for example for the panel beating part of groove is arranged.Especially, inner layer steel plate for example links together through modes such as welding, and outer panel beating part then is fixed on the internal layer plane steel plate.Space two-layer inside and outside the base plate 7C is provided with heating material, and the function of heating material is the normal use that under cryogenic conditions, guarantees battery, and the heat that heating material sends can get into battery case inside through the hole of opening on the steel plate.
More be clearly shown that like Fig. 3, on the inwall of the left plate 7A of mid portion 7 and right plate 7B, on the inwall of left and right side inner cord, be provided with the air intake assembly of installing corresponding to the air duct that supplies cool exterior air to get into 71 8 especially.
The following specifically describes the structure of air intake assembly 8.Fig. 4 is mounted in the stereogram of the air intake assembly 8 on the side plate inwall of battery case casing; And Fig. 5 is the front view along the observable air intake assembly 8 of arrow A direction among Fig. 4, wherein shows the flow direction of air.Shown in Figure 4 and 5, air intake assembly 8 comprises: air inlet 12, and it is positioned at being communicated with air duct 71 corresponding positions and with passage 71 of air intake assembly 8, and the area of air inlet 12 is bigger than the area of air duct 71; Horizontal air channel 11, it is positioned at air inlet 12 tops and is communicated with air inlet 12, and laterally extend towards the direction of front end-plate 4 and end plate 6 respectively at the two ends in air channel 11; Vertical air channel 10, it extends from horizontal air channel 11 to side plate 7A, 7B bottom, and is communicated with horizontal air channel 11 but is not communicated with air inlet 12; And a plurality of ventilation holes 9, above-mentioned a plurality of ventilation holes 9 are arranged on the below in vertical air channel 10 of air intake assembly 8, and are communicated with vertical air channel 10 and box house but are not communicated with air inlet 12.
In more detail, air intake assembly 8 can be formed by the metallic plate 81 such as steel plate, aluminium alloy plate etc.Shown in Figure 4 and 5, be formed with top flange 811, the first left side flange 812 and the first right side flange 813 that outwards stretches out respectively from top, the left and right sides portion of metallic plate 81.Further; Free end at top flange 811, the first left side flange 812 and the first right side flange 813 is formed with first kink 13 respectively; The overbending direction of first kink 13 is: first kink 13 of top flange 811 bends towards the top; The bending towards the left side of first kink 13 of the first left side flange 812, first kink 13 of the first right side flange 813 bends towards the right side.In addition; The upper/lower positions place is leaned on by central authorities in the space that is crossed by top flange 811, the first left side flange 812 and the first right side flange 813, is formed with base flange 814, the second left side flange 815 and the second right side flange 816 that outwards stretches out respectively from the surface of metallic plate 81.Further; The free end of base flange 814, the second left side flange 815 and the second right side flange 816 be formed with respectively second kink 13 '; Second kink 13 ' overbending direction be: second kink 13 of base flange 814 ' bend towards the bottom; Second kink 13 of the second left side flange 815 ' bending towards the left side, second kink 13 of the second right side flange 816 ' bend towards the right side.
Because the structure and the mounting means on left and right side plate inwall thereof of aforesaid air intake assembly 8; Can between the inwall of air intake assembly 8 and left plate 7A and right plate 7B, have the gap, this gap is limited with top flange 811, the first left side flange 812 and the first right side flange 813 and base flange 814, the second left side flange 815 and 816 of the second right side flanges the metallic plate 81 of air intake assembly 8.Existing gap between the inwall of air intake assembly 8 and left plate 7A and right plate 7B defines vertical air channel 10 of aforesaid air intake assembly 8, horizontal air channel 11 and air inlet 12 respectively.Concrete example as, the horizontal air channel 11 of air intake assembly 8 is formed by the gap between inwall, top flange 811 and the metallic plate 81 of left plate 7A (or right plate 7B); Vertically air channel 10 is formed by inwall, the first left side flange 812 and the second left side flange 815 (the perhaps first right side flange 813 and the second right side flange 816) of left plate 7A (or right plate 7B) and the gap between the metallic plate 81; Air inlet 12 is formed by the gap between the inwall of left plate 7A (or right plate 7B), base flange 814, the second left side flange 815, the second right side flange 816 and the metallic plate 81.
Through the said structure of air intake assembly 8, guaranteed that horizontal air channel 11 is communicated with air inlet 12, vertically air channel 10 is communicated with horizontal air channel 11 but is not communicated with air inlet 12 and ventilation hole 9 is communicated with vertical air channel 10 and box house but is not communicated with air inlet 12.
In Fig. 5, arrow indicates air-flow direction.When cool exterior air flows through the left and right side plate of battery case casing; Get into air inlet 12 via air duct 71; Cold air upwards flow to horizontal air channel 11 then; Then longitudinally path 10 flows downward, and flows into the inside of battery case casing at last via ventilation hole 9, thereby forces cool batteries and other intraware.
The favourable part of above-mentioned design is to have increased area of dissipation greatly through vertical air channel and the laterally design in air channel, prevents that effectively dust from getting into, and helps the raising of battery case heat-sinking capability and the prolongation in useful life.Because when air gets into according to path as shown in Figure 5, it becomes greatly with the contact area of casing, and time of contact is also elongated, also just equals to have increased area of dissipation; In addition, when dust gets into through air inlet 12 along with cold air together, dust air inlet 12 in upwards in the process of vertical motion owing to the effect of self gravitation is dropped, so such structural design can prevent the inside of dust entering battery case casing.
Fig. 6 is the structural representation of the battery case loam cake 2 of observable Fig. 1 from bottom to top.Battery case loam cake 2 is installed in the upper surface of battery case casing 1 hermetically, and dust and water protection is functional, can guarantee that like this battery case inside can not receive the pollution of dust and water, has guaranteed that simultaneously the inner whole ventilation of battery case air channel does not receive external influence.As shown in Figure 6, the loam cake 2 of battery case 100 is provided with air-out assembly 16.Especially, air-out assembly 16 is made up of symmetrically arranged two air exhausters 14 and two air outlets 15.Air is sucked by air exhauster 14 after the battery case box house is through circulation, discharges via the air outlet 15 of both sides, thereby forms air circulation.Preferably, air outlet 15 adopts the shape (pyramidal structure as shown in Figure 6) of " narrow advance wide go out ", can further increase the contact area of air and box house like this, and heat-sinking capability is further improved.
Like this; Cool exterior air can flow into through battery case sidewall and air duct thereof; And successively through air intake assembly 8, battery case box house chamber; Discharge the battery case casing through air-out assembly 16 at last, thereby, realized battery is forced cooling purpose at the inner circulation air path that forms sealing of battery case.
Further, on the front end-plate of battery case casing, the battery case protecgulum can be installed, the battery case protecgulum has protection battery management system function, also act as the internal contamination to battery case such as the exogenous impurity that prevents dust and water simultaneously.
Further; On the end plate of battery case casing, can install such as battery case annexes such as high-tension circuit connector, data wire binding posts; The high-tension circuit connector is used for the high-tension circuit that battery case is inner and is connected with the outer high-tension circuit of battery case, and the data wire binding post is used for the low-voltage circuit of battery case inside is connected with data circuit with the outer low pressure circuit respectively with data circuit.
Further, between battery case box back plate and battery cell, can form empty space through a fixing insulation board.Can be installed in this space such as battery case annexes such as battery insurance and battery management systems.
The battery case annex of more than installing only is exemplary, can other battery case annex be installed at each correct position of battery case casing as required.
The second aspect of the utility model provides a kind of battery module, and it comprises the battery case of describing according to the utility model first aspect 100; Between left plate 7A and right plate 7B, be used for the battery case box house is separated into the dividing plate 7D of several chambers that communicate with each other; And grouping is arranged at a plurality of battery cells 5 in the battery case box house chamber.Know purpose for the sake of simplicity at this, no longer be repeated in this description the battery case that the utility model first aspect provides.
Place the overall dimension of a plurality of battery cells 5 in battery case 100 casings 1 internal chamber all identical, thereby the fast detecting that can realize fault is got rid of with internal structure.For example, can 16 battery cells be placed in the casing.Typically, above-mentioned battery cell is a lithium ion battery.
For the battery cell with requirement fitly divides into groups to be arranged at the battery case box house, can dividing plate 7D be set at mid portion 7 places of the casing of battery case.For example, above-mentioned 16 battery cells can four is one group, is arranged in four corners, and a side is arranged two groups.This design can utilize the space in the outer box body fully, for the installation of other annex sufficient space is provided again.Certainly, the utility model is not limited thereto quantity, can change the quantity of battery cell as required.Especially, dividing plate 7D can be the sheet metal part of individual layer.
The utility model is mainly used in the electric automobile field, but is not limited to the electric automobile field, and the utility model can also be applied to other with the field of lithium ion battery as power resources.
Though described the utility model with reference to above-mentioned execution mode, these execution modes are illustrative rather than restrictive.Under the situation of scope that does not break away from the utility model requirement protection and equivalency range thereof, can carry out various changes to the utility model, these changes all fall in the protection range of the utility model.
Claims (9)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203489187U CN202259493U (en) | 2011-09-16 | 2011-09-16 | Battery box and battery pack module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203489187U CN202259493U (en) | 2011-09-16 | 2011-09-16 | Battery box and battery pack module |
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| Publication Number | Publication Date |
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| CN202259493U true CN202259493U (en) | 2012-05-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011203489187U Expired - Fee Related CN202259493U (en) | 2011-09-16 | 2011-09-16 | Battery box and battery pack module |
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| CN (1) | CN202259493U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103568856A (en) * | 2012-07-30 | 2014-02-12 | 现代自动车株式会社 | Battery pack for vehicle |
| CN104767004A (en) * | 2015-03-18 | 2015-07-08 | 惠州亿纬锂能股份有限公司 | Thermal management system of battery pack |
| CN107658400A (en) * | 2017-09-27 | 2018-02-02 | 遵义西南机械设备有限责任公司 | A kind of electric automobile battery box for being conveniently replaceable battery |
| US10005350B1 (en) | 2017-02-23 | 2018-06-26 | Ford Global Technologies, Llc | Traction battery securing assembly and method |
| CN108878695A (en) * | 2018-09-06 | 2018-11-23 | 株洲联诚集团控股股份有限公司 | A kind of fuel cell case top cover with air duct function |
| CN110756663A (en) * | 2019-11-01 | 2020-02-07 | 浙江舜仕汽车技术有限公司 | Forming process of front end plate of automobile battery box |
| CN111446399A (en) * | 2020-05-22 | 2020-07-24 | 东莞阳天电子科技有限公司 | Battery box |
| CN112331953A (en) * | 2020-10-27 | 2021-02-05 | 北京工业大学 | Electric automobile battery box based on two right trapezoid heat dissipation rooms |
| CN113659260A (en) * | 2016-11-16 | 2021-11-16 | 奥动新能源汽车科技有限公司 | Vehicle-mounted power battery box |
-
2011
- 2011-09-16 CN CN2011203489187U patent/CN202259493U/en not_active Expired - Fee Related
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103568856B (en) * | 2012-07-30 | 2017-03-01 | 现代自动车株式会社 | Vehicular battery group |
| CN103568856A (en) * | 2012-07-30 | 2014-02-12 | 现代自动车株式会社 | Battery pack for vehicle |
| CN104767004A (en) * | 2015-03-18 | 2015-07-08 | 惠州亿纬锂能股份有限公司 | Thermal management system of battery pack |
| CN104767004B (en) * | 2015-03-18 | 2017-03-01 | 惠州亿纬锂能股份有限公司 | battery pack thermal management system |
| CN113659260A (en) * | 2016-11-16 | 2021-11-16 | 奥动新能源汽车科技有限公司 | Vehicle-mounted power battery box |
| US10005350B1 (en) | 2017-02-23 | 2018-06-26 | Ford Global Technologies, Llc | Traction battery securing assembly and method |
| CN107658400A (en) * | 2017-09-27 | 2018-02-02 | 遵义西南机械设备有限责任公司 | A kind of electric automobile battery box for being conveniently replaceable battery |
| CN107658400B (en) * | 2017-09-27 | 2024-04-05 | 遵义西南机械设备有限责任公司 | Electric automobile battery box convenient to change battery |
| CN108878695A (en) * | 2018-09-06 | 2018-11-23 | 株洲联诚集团控股股份有限公司 | A kind of fuel cell case top cover with air duct function |
| CN108878695B (en) * | 2018-09-06 | 2024-03-12 | 株洲联诚集团控股股份有限公司 | Fuel cell box top cover with air duct function |
| CN110756663A (en) * | 2019-11-01 | 2020-02-07 | 浙江舜仕汽车技术有限公司 | Forming process of front end plate of automobile battery box |
| CN110756663B (en) * | 2019-11-01 | 2024-04-30 | 浙江舜仕汽车技术有限公司 | Forming process of front end plate of automobile battery box |
| CN111446399A (en) * | 2020-05-22 | 2020-07-24 | 东莞阳天电子科技有限公司 | Battery box |
| CN112331953A (en) * | 2020-10-27 | 2021-02-05 | 北京工业大学 | Electric automobile battery box based on two right trapezoid heat dissipation rooms |
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