CN202695577U - High-reliability vehicle-mounted lithium battery device - Google Patents
High-reliability vehicle-mounted lithium battery device Download PDFInfo
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- CN202695577U CN202695577U CN2012202860846U CN201220286084U CN202695577U CN 202695577 U CN202695577 U CN 202695577U CN 2012202860846 U CN2012202860846 U CN 2012202860846U CN 201220286084 U CN201220286084 U CN 201220286084U CN 202695577 U CN202695577 U CN 202695577U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The utility model relates to a high-reliability vehicle-mounted lithium battery device, wherein each lithium battery box body is internally and hermetically provided with a plurality of lines of lithium battery modules, each lithium battery box body and each lithium battery module are respectively fixed on a cooling base plate, each lithium battery module internally comprises a plurality of orderly-overlapped lithium battery cores, the cooling base plate is formed by the means that the inner end faces of two cooling plates with the same shape and size are buckled with each other, and an S-shaped cooling water flow passageway is each arranged on the inner end face of each cooling plate. Each cooling plate is formed by combining a three-link cooling plate and a single-link expanded cooling plate, the end head of each S-shaped cooling water flow passageway penetrates through the thickness direction of the corresponding cooling plate, and the end heads of the two adjoining S-shaped cooling water flow passageways are respectively communicated with each other by virtue of control plates at the outer end faces of the cooling plates; and one side of each three-link cooling plate is folded to be formed into a flanging edge towards the direction which is perpendicular to the inner end faces, and the two flanging edges are respectively arranged at two sides of the cooling base plate, and the edge of each S-shaped cooling water flow passageway is sealed. The device is compact in structure, small in space occupancy and good in cooling effect.
Description
Technical field
The utility model relates to a kind of cell apparatus of used for electric vehicle, particularly a kind of high reliability vehicle-mounted lithium battery device.
Background technology
Traditional automobile engine can be discharged a large amount of tail gas in operation process, thereby causes urban atmospheric pollution serious.Along with the more and more attention of people to environment, Development of EV adopts clean energy resource, has become the developing direction of Traffic Systems.The existing urban of China or Large Exhibitions begin the electric automobile that comes into operation at present, and this has brought into play important function to reducing city environmental pollution.
Present electric automobile adopts lithium battery device to provide power to automobile more, for satisfying mileages of continuation, reduce charge frequency, each electric automobile all need be installed a plurality of lithium battery kits, be arranged with respectively the multiple row lithium battery module in each lithium battery kit, each lithium battery module neatly is overrided to form by the multi-disc lithium cell core again.The about space of more piece and the minimizing internal resistance of cell, lithium cell core need to closely laminate, and in the automobile traveling process, each lithium battery all needs heat radiation, causes heat accumulation, affects to a certain extent the useful life of lithium battery.Temperature such as certain lithium battery surpasses 170 ℃, causes security incident thereby spontaneous combustion also easily occurs.Again because lithium battery module has numerous electrodes, wait for preventing from drenching with rain to cause short circuit, lithium battery module also must keep certain closure, and this heat radiation to lithium battery has brought difficulty.
In order to improve radiating effect, common way is that lithium battery module is installed on the cooling bottom plate, passes into cooling water in the cooling bottom plate lithium battery module is forced cooling.Because the model of vehicle is numerous, the vehicle of different model requires different to the installed capacity of lithium battery.For reducing manufacturing cost, lithium battery kit need to be formed approved product series and carry out large-scale production, the battery total capacity of vehicle is adjusted by the installation number of lithium battery kit.
Along with the installation quantity of lithium battery kit is different, the size of cooling bottom plate also changes thereupon.For example three lithium battery kits are installed in parallel, and supporting cooling bottom plate is single three times; Four lithium battery kits are installed in parallel, and supporting cooling bottom plate is single four times; By that analogy; And for different vehicles, lithium battery kit has several combination, for every kind of combination, all will make the cooling bottom plate of corresponding size, and the expense of die sinking is too high, and the manufacturing cycle is long, inefficiency.
The utility model content
The purpose of this utility model is, overcomes problems of the prior art, and a kind of high reliability vehicle-mounted lithium battery device is provided, and mounting structure is compact, good heat dissipation effect, and can make up installation.
For solving above technical problem, high reliability vehicle-mounted lithium battery device provided by the utility model, comprise a plurality of lithium battery box bodys, be sealed and installed with the multiple row lithium battery module in each lithium battery box body, described lithium battery box body and each lithium battery module are separately fixed on the cooling bottom plate, comprise a plurality of lithium cell cores that neatly laminate in each described lithium battery module, described cooling bottom plate is relatively mutually fastened by the identical coldplate inner face of two plate shapes size and forms, and is respectively equipped with the cooling water runner on the inner face of each described coldplate.
With respect to prior art, the utility model has been obtained following beneficial effect: battery case is made certain specification, by the whole capacitance of how much expanding of battery case is installed; Cooling water flow is through the cooling water duct in the cooling bottom plate, and the heat that each lithium battery is separately fixed on the cooling bottom plate self conducts to cooling bottom plate, and cooling water is taken away the heat of cooling bottom plate again, thereby makes lithium battery obtain effective cooling; Different battery cases is installed number just needs supporting different cooling bottom plate; the utility model is made assembled structure with cooling bottom plate, and the cooling water runner is easy to processing, is beneficial to realize scale, producing in serial form; reduce manufacturing cost, more convenient in the vehicle assembling.
As preferred version of the present utility model, described coldplate is three coldplates, the inner face upper and lower of each described three coldplate is distributed with respectively three end to end S shape cooling water runners, bottom three S shapes cooling water runner and top three S shapes cooling water runner are centered by the axis of three coldplate horizontal directions that mirror image distributes and cooling water is flowed through successively six S shape cooling water runners, one edge of described three coldplates is to turning up the formation flange perpendicular to the direction of inner face, the axis of described flange is parallel to the axis of three coldplate vertical directions and the twice that the flange gross thickness equals base plate remainder thickness, and the another side relative with described flange is featheredge; Near the lower end of the S shape cooling water runner of the upper end of the top S shape cooling water runner of flange and bottom respectively passing hole channel be connected with cooling water connector on the flange; After fastening, two or three coldplate consists of described cooling bottom plate, two described flange lay respectively at the both sides of described cooling bottom plate, wherein on the cooling water connector of a side flanging warter connection is installed respectively, the cooling water connector shutoff of opposite side flange, the edge of each described S shape cooling water runner and the periphery of cooling bottom plate seal respectively.Two three coldplate a positive and a negative fasten mutually, the outer face is that lithium battery kit is installed at the back side, and relative with the inner face of cooling water runner, flange lays respectively at both sides, the featheredge of three coldplates is resisted against the flange inboard of another three coldplate, whole formation cuboid thin-slab structure; Warter connection is installed respectively, the cooling water connector shutoff of another sheet three coldplate flange on the cooling water connector of a slice three coldplate flange; Select a warter connection as cooling water inlet, for example cooling water enters from upper left quarter, flow through at first successively three S shape cooling water runners on top, arrive featheredge one side, the upper end of the lower end of the top S shape cooling water runner of close right side featheredge and the S shape cooling water runner of bottom is interconnected, cooling water continues to enter bottom three S shapes cooling water runner, from featheredge one side direction flange one side flow, until flow out from the warter connection of lower left quarter; Because two three coldplate shapes, big or small in full accord, a positive and a negative fastens, the S shape cooling water runner of two or three coldplate intersects mutually, and cooling water flow on another sheet three coldplates from infall very naturally, and advances along S shape cooling water runner separately.
As preferred version of the present utility model, after two or three coldplate fastens, between the featheredge of the flange of each three coldplate and another three coldplate, be fitted with at least one simply connected and expand coldplate; The thickness of described simply connected expansion coldplate is identical with the featheredge thickness of three coldplates, the inner face upper and lower of simply connected expansion coldplate is distributed with respectively a S shape cooling water runner, and bottom S shape cooling water runner and top S shape cooling water runner are mirror image and distribute centered by the axis of simply connected expansion coldplate horizontal direction; The S shape cooling water runner of described simply connected expansion coldplate forms end to end with adjacent S shape cooling water runner respectively.For example, between the featheredge of the flange of each three coldplate and another three coldplate, be fitted with a simply connected expansion coldplate and namely consist of the tetrad coldplate, at the simply connected in front expansion coldplate between the flange of the featheredge of positive three coldplates and reverse side three coldplates, at the simply connected of reverse side expansion coldplate between the flange of the featheredge of reverse side three coldplates and positive three coldplates, the seam of two simply connecteds expansion coldplate is not on a section thus, and the globality after the assembly unit, stability are very good; Between the featheredge of the flange of each three coldplate and another three coldplate, be fitted with two simply connecteds expansion coldplates and namely consist of the 5-linked coldplate; By that analogy, are integral multiples of simply connected expansion coldplate width sum as long as avoid the width of three coldplates, namely can avoid inserting and positively behind the simply connected expansion coldplate vertical masonry joint occurs with reverse side; As long as such structure can be produced three coldplates and the simply connected expansion coldplate of fixed dimension, just can be combined into the coldplate of tetrad, 5-linked or more sizes, greatly reduce production cost.
As preferred version of the present utility model, the termination of each described S shape cooling water runner connects respectively the thickness direction of place coldplate, be connected by control board respectively in the outer face of place coldplate between the adjacent termination of adjacent two S shape cooling water runners, described control board has ' leading to ' and ' ending ' two states.Be communicated with adjacent S shape cooling water runner by control board, simple and convenient on the one hand, cost is low, on the other hand, can change the flow direction of cooling water, be in the state of ' leading to ' such as control board, then cooling water can flow to a rear S shape cooling water runner from previous S shape cooling water runner, be in the state of ' ending ' such as control board, then cooling water can not flow to a rear S shape cooling water runner from previous S shape cooling water runner, has changed thus the flow direction of cooling water.
As preferred version of the present utility model, described control board is installed for heavy formula in the outer face of place coldplate, the outer face of described control board is equal with the outer face of place coldplate, and the inner face edge sealing of each described control board is installed in the corresponding groove of place coldplate.The outer face of coldplate is that back side maintenance is smooth, is convenient to install lithium battery kit.
As preferred version of the present utility model, each described lithium cell core is respectively installed with the radiation aluminium cover outward, the outside of each described radiation aluminium cover is coated with U-shaped red copper fin, and the two side of described U-shaped red copper fin and diapire fit with both sides and the bottom of each radiation aluminium cover respectively; The sidewall outside that described U-shaped red copper fin is relative with described cooling bottom plate is fitted with the moulded heat-conductive insulated plastics plate, and described moulded heat-conductive insulated plastics plate is fitted on the described cooling bottom plate.The heat of each lithium cell core is derived by the radiation aluminium cover, the radiation aluminium cover is again with heat transferred U-shaped red copper fin, because both sides and the bottom of U-shaped red copper fin while with each radiation aluminium cover fits, therefore the heat of radiation aluminium cover both sides all can be delivered to rapidly on the U-shaped red copper fin, again because the high thermal conductivity of copper, the temperature difference on the whole U-shaped red copper fin is very little, the heat radiation that has also just guaranteed the lithium cell core both sides is even, have a narrow range of temperature, the heat that gathers on the U-shaped red copper fin is passed on the cooling bottom plate by the moulded heat-conductive insulated plastics plate again.
As preferred version of the present utility model, described U-shaped red copper fin is provided with elastic bumps away from the sidewall of described cooling bottom plate, and described elastic bumps is stamped to form from inside to outside by U-shaped red copper fin self.Elastic bumps is positioned at a side relative with the moulded heat-conductive insulated plastics plate, and the area that is stamped is compared very little with the area of place sidewall, can not affect heat conduction, and elastic bumps self still has conductive force; In the time of in lithium battery module is packed the lithium battery box body into, the elasticity of elastic bumps can push away lithium battery module to the cooling bottom plate direction, and to guarantee moulded heat-conductive insulated plastics plate and cooling bottom plate close contact, the heat conduction is good.
As preferred version of the present utility model, described elastic bumps is respectively equipped with four at the sidewall of each U-shaped red copper fin, four rectangular distributions of elastic bumps; Each elastic bumps only has one side and described U-shaped red copper fin to keep being connected, and all the other position integral body are given prominence to outside the window that punching press forms.Such structure makes the elastic bumps deformability large, has larger elasticity, and four elastic bumps can produce uniform thrust.
As preferred version of the present utility model, each lithium battery module positive pole is respectively with adjacent lithium battery module negative pole or anodally interconnect by copper busbar in the described lithium battery box body, and each described copper busbar is with each described lithium battery module successively serial or parallel connection.Serial or parallel connection forms the voltage and current of different battery cases to cooperate the needs of Full Vehicle System power supply, and copper busbar not only plays electric action, also is the good conductor of heat, and the heat of lithium battery can outwards transmit rapidly by copper busbar; This apparatus structure is compact, takes up space little, and cooling effect is superior.
As preferred version of the present utility model, the front end face of described lithium battery box body middle part is provided with transparent burst disk, and described burst disk is sealedly connected on the described lithium battery box body.Front end face middle part at the lithium battery box body is provided with transparent burst disk, can observe inside battery by transparent burst disk during maintenance, judges whether lithium battery module is damaged; Simultaneously when lithium cell core excessively outmoded and expand or when occuring to leak the air pressure in the box body above certain limit; burst disk is explosion at first; obtain pressure release in the lithium battery box body; guarantee battery and the safety of life and property on every side; whole box body and lithium battery module are protected, and also which battery case the easy access personnel judge rapidly and are damaged.
Description of drawings
Fig. 1 is the stereogram of the utility model high reliability vehicle-mounted lithium battery device embodiment one.
Fig. 2 is the stereogram after Fig. 1 removes shell.
Fig. 3 is the front view of a certain group of lithium battery module.
Fig. 4 is the left view of Fig. 3.
Fig. 5 is the stereogram of a certain group of lithium battery module thermal component.
Fig. 6 is the stereogram that Fig. 1 removes another direction of part box body.
Fig. 7 is the front view of three coldplates.
Fig. 8 is two front views after the three coldplate assembly units.
Fig. 9 is the vertical view of Fig. 8.
Figure 10 is the front view of simply connected expansion coldplate.
Figure 11 is the rearview of Figure 10.
Figure 12 is that two three coldplates add the front view that two simply connected expansion coldplates form the tetrad cooling bottom plate.
Figure 13 is the vertical view of Figure 12.
Figure 14 is the internal cooling current direction schematic diagram of Figure 12.
Figure 15 is that two three coldplates add the front view that four simply connected expansion coldplates form the 5-linked cooling bottom plate.
Figure 16 is the vertical view of Figure 15.
Among the figure: 1. lithium battery box body; 1a. total positive electrode; 1b. total negative electrode; 1c. burst disk; 1d. safe enclosure wall; 2 lithium battery modules; 2a. lithium battery module is anodal; 2b. lithium battery module negative pole; 2c. copper busbar; 3. cooling bottom plate; 3a. three coldplates; 3a1. flange; 3a2. featheredge; 3a3.S shape cooling water runner; 3b. simply connected expansion coldplate; 3c. control board; 4. lithium cell core; 5. radiation aluminium cover; 6.U shape red copper fin; 6a. elastic bumps; 7. moulded heat-conductive insulated plastics plate; 8. fin radiator; 9. radiator fan; 10. warter connection.
Embodiment
As shown in Figure 1 and Figure 2, high reliability vehicle-mounted lithium battery device of the present utility model, comprise a plurality of lithium battery box bodys 1, be sealed and installed with multiple row lithium battery module 2 in each lithium battery box body 1, lithium battery box body 1 and each lithium battery module 2 are separately fixed on the cooling bottom plate 3, comprise a plurality of lithium cell cores that neatly laminate 4 in each lithium battery module, cooling bottom plate 3 is relatively mutually fastened by the identical coldplate inner face of two plate shapes size and forms, and is respectively equipped with the cooling water runner on the inner face of each coldplate.Cooling water flow is through the cooling water duct in the cooling bottom plate, and the heat that each lithium battery is separately fixed on the cooling bottom plate self conducts to cooling bottom plate, and cooling water is taken away the heat of cooling bottom plate again, thereby makes lithium battery obtain effective cooling; Different battery cases is installed number just needs supporting different cooling bottom plate.
The front end face of lithium battery box body is provided with total positive electrode 1a and total negative electrode 1b, total positive electrode 1a is respectively equipped with safe enclosure wall 1d in the face of the side of total negative electrode 1b and total negative electrode 1b in the face of the side of total positive electrode 1a, safe enclosure wall 1d is higher than respectively total positive electrode 1a and total negative electrode 1b, prevents that external conductor from touching simultaneously two electrodes and making their short circuits.The front end face middle part is provided with transparent burst disk 1c, and burst disk 1c is sealedly connected on the lithium battery box body 1.Can observe inside battery by transparent burst disk 1c during maintenance, judge whether lithium battery module is damaged; Simultaneously when lithium cell core excessively outmoded and expand or when occuring to leak the air pressure in the box body above certain limit; burst disk is explosion at first; obtain pressure release in the lithium battery box body; guarantee battery and the safety of life and property on every side; whole box body and lithium battery module are protected, and also which battery case the easy access personnel judge rapidly and are damaged.
To shown in Figure 5, each lithium cell core 4 is outer to be respectively installed with radiation aluminium cover 5 such as Fig. 3, and the outside of each radiation aluminium cover 5 is coated with U-shaped red copper fin 6, and the two side of U-shaped red copper fin 6 and diapire fit with both sides and the bottom of each radiation aluminium cover respectively; U-shaped red copper fin 6 and the cooling bottom plate 3 relative sidewall outsides are fitted with moulded heat-conductive insulated plastics plate 7, and moulded heat-conductive insulated plastics plate 7 is fitted on the cooling bottom plate 3.The heat of each lithium cell core is derived by radiation aluminium cover 5, radiation aluminium cover 5 is again with heat transferred U-shaped red copper fin 6, because both sides and the bottom of 6 whiles of U-shaped red copper fin with each radiation aluminium cover fits, therefore the heat of radiation aluminium cover both sides all can be delivered to rapidly on the U-shaped red copper fin, again because the high thermal conductivity of copper, the temperature difference on the whole U-shaped red copper fin is very little, the heat radiation that has also just guaranteed the lithium cell core both sides is even, have a narrow range of temperature, the heat that gathers on the U-shaped red copper fin is passed on the cooling bottom plate by moulded heat-conductive insulated plastics plate 7 again.
U-shaped red copper fin is provided with elastic bumps 6a away from the sidewall of cooling bottom plate, and elastic bumps 6a self is stamped to form from inside to outside by U-shaped red copper fin 6.Elastic bumps 6a is positioned at a side relative with moulded heat-conductive insulated plastics plate 7, and the area that is stamped is compared very little with the area of place sidewall, can not affect heat conduction, and elastic bumps self still has conductive force; In the time of in lithium battery module is packed the lithium battery box body into, the elasticity of elastic bumps 6a can push away lithium battery module to cooling bottom plate 3 directions, and to guarantee moulded heat-conductive insulated plastics plate 7 and cooling bottom plate 3 close contacts, the heat conduction is good.
On the sidewall of each U-shaped red copper fin, preferably be respectively equipped with four elastic bumps 6a, four rectangular distributions of elastic bumps; Each elastic bumps only has one side and U-shaped red copper fin to keep being connected, and all the other position integral body are given prominence to outside the window that punching press forms.
As shown in Figure 6, the anodal 2a of each lithium battery module interconnects by copper busbar 2c with adjacent lithium battery module negative pole 2b or anodal 2a respectively in the lithium battery box body, each copper busbar 2c forms the voltage and current of different battery cases to cooperate the needs of Full Vehicle System power supply with each lithium battery module successively serial or parallel connection.
To shown in Figure 9, coldplate can be three coldplate 3a such as Fig. 7, and three coldplate 3a provide cooling for six lithium battery kits.The inner face upper and lower of each three coldplate is distributed with respectively three by the end to end S shape cooling water runner 3a3 of control board 3c at the back side, bottom three S shapes cooling water runner and top three S shapes cooling water runner are mirror image and distribute centered by the axis of three coldplate horizontal directions, one edge of three coldplates forms flange 3a1 to turning up perpendicular to the direction of inner face, flange 3a1 is parallel to the axis of three coldplate vertical directions and the twice that the flange gross thickness equals base plate remainder thickness, and the another side relative with flange is featheredge 3a2; Be connected with cooling water connector on the flange 3a1 by back side control board 3c respectively near the lower end of the S shape cooling water runner of the upper end of the top S shape cooling water runner of flange and bottom.After fastening, two or three coldplate consists of cooling bottom plate, two flange lay respectively at the both sides of cooling bottom plate, wherein on the cooling water connector of a side flanging warter connection is installed respectively, the cooling water connector shutoff of opposite side flange, the edge sealing of each S shape cooling water runner, welded seal around the cooling bottom plate.
Two three coldplate a positive and a negative fasten mutually, and relative with the inner face of cooling water runner, flange lays respectively at both sides, and the featheredge of three coldplates is resisted against the flange inboard of another three coldplate, whole formation cuboid thin-slab structure; Warter connection 10 is installed respectively, the cooling water connector shutoff of another sheet three coldplate flange on the cooling water connector of a slice three coldplate flange.
The termination of each described S shape cooling water runner connects respectively the thickness direction of place coldplate, and the outer face at the place coldplate between the adjacent termination of adjacent two S shape cooling water runners links to each other by control board 3c respectively.Control board 3c has two kinds, and a kind of inner face is flat, and current can pass through, and namely is in the state of ' leading to ' after the installation, and another kind of inner face is provided with projection eyelet is blocked, and current can not pass through, and namely are in the state of ' ending ' after the installation.So be communicated with the flow direction that adjacent S shape cooling water runner can change cooling water by control board 3c, can change thus the discharge area of cooling water.
Take Fig. 7 as example, for sake of convenience, three coldplates shown in the figure are called plate No. one, be fastened on that unshowned three coldplates are called plate No. two on plate.
For plate, cooling water enters from upper left quarter, flow through at first successively three S shape cooling water runners on top, arrive featheredge one side, the upper end of the lower end of the top S shape cooling water runner of close right side featheredge and the S shape cooling water runner of bottom is interconnected by control board, cooling water continues to enter bottom three S shapes cooling water runner, from featheredge one side direction flange one side flow, until flow out from the warter connection of lower left quarter.
For No. two plates, mutually obstructed near the upper end of the S shape cooling water runner of the lower end of the top S shape cooling water runner of left side featheredge and bottom, prevent the short stream of cooling water.On No. two plate right sides, the S shape cooling water runner on No. two plate tops is communicated with the S shape cooling water runner of No. two plate bottoms by means of the control board on plate, thus, still forms on No. two plates six S shape cooling water runners and connects successively.
, after two or three coldplate fastens, between the featheredge of the flange of each three coldplate and another three coldplate, be fitted with at least one simply connected and expand coldplate 3b to shown in Figure 14 such as Figure 10; The thickness of simply connected expansion coldplate 3b is identical with the featheredge thickness of three coldplates, the inner face upper and lower of simply connected expansion coldplate is distributed with respectively a S shape cooling water runner, and bottom S shape cooling water runner and top S shape cooling water runner are mirror image and distribute centered by the axis of simply connected expansion coldplate horizontal direction; The S shape cooling water runner of simply connected expansion coldplate forms end to end with adjacent S shape cooling water runner respectively.For example, between the featheredge of the flange of each three coldplate and another three coldplate, be fitted with a simply connected expansion coldplate and namely consist of the tetrad coldplate, at the simply connected in front expansion coldplate between the flange of the featheredge of positive three coldplates and reverse side three coldplates, at the simply connected of reverse side expansion coldplate between the flange of the featheredge of reverse side three coldplates and positive three coldplates, the seam of two simply connecteds expansion coldplate is not on a section thus, and the globality after the assembly unit, stability are very good.The tetrad coldplate can provide cooling for eight lithium battery kits.
As shown in figure 14, three coldplate 3a self S shape cooling water runner end to end is to realize by the control board 3c that is installed on the three coldplate 3a rear end faces, is being communicated with of the S shape cooling water runner on the S shape cooling water runner on the three coldplate 3a and the simply connected expansion coldplate 3b by being installed in control board 3c realization on the front end face.
Such as Figure 15, shown in Figure 16, between the featheredge of the flange of each three coldplate 3a and another three coldplate, be fitted with two simply connecteds expansion coldplate 3b and namely consist of the 5-linked coldplate.The 5-linked coldplate can provide cooling for ten lithium battery kits.By that analogy, are integral multiples of simply connected expansion coldplate width sum as long as avoid the width of three coldplates, namely can avoid inserting and positively behind the simply connected expansion coldplate vertical masonry joint occurs with reverse side; As long as such structure can be produced three coldplates and the simply connected expansion coldplate of fixed dimension, just can be combined into the coldplate of tetrad, 5-linked or more sizes.Only be superimposed with each other with a kind of part, or be combined with the expansion coldplate and form mode of extension, form the coldplate of different size in order to be fit to the needs of cooling varying number battery case, easy to process or save die cost, cooling effect is superior, greatly reduces production cost.
In addition to the implementation, the utility model can also have other execution modes.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop in the protection range of the utility model requirement.
Claims (10)
1. high reliability vehicle-mounted lithium battery device, comprise a plurality of lithium battery box bodys, be sealed and installed with the multiple row lithium battery module in each lithium battery box body, described lithium battery box body and each lithium battery module are separately fixed on the cooling bottom plate, comprise a plurality of lithium cell cores that neatly laminate in each described lithium battery module, it is characterized in that: described cooling bottom plate is relatively mutually fastened by the identical coldplate inner face of two plate shapes size and forms, and is respectively equipped with the cooling water runner on the inner face of each described coldplate.
2. high reliability vehicle-mounted lithium battery device according to claim 1, it is characterized in that: described coldplate is three coldplates, the inner face upper and lower of each described three coldplate is distributed with respectively three end to end S shape cooling water runners, bottom three S shapes cooling water runner and top three S shapes cooling water runner are centered by the axis of three coldplate horizontal directions that mirror image distributes and cooling water is flowed through successively six S shape cooling water runners, one edge of described three coldplates is to turning up the formation flange perpendicular to the direction of inner face, the axis of described flange is parallel to the axis of three coldplate vertical directions and the twice that the flange gross thickness equals base plate remainder thickness, and the another side relative with described flange is featheredge; Near the lower end of the S shape cooling water runner of the upper end of the top S shape cooling water runner of flange and bottom respectively passing hole channel be connected with cooling water connector on the flange; After fastening, two or three coldplate consists of described cooling bottom plate, two described flange lay respectively at the both sides of described cooling bottom plate, wherein on the cooling water connector of a side flanging warter connection is installed respectively, the cooling water connector shutoff of opposite side flange, the edge of each described S shape cooling water runner and the periphery of cooling bottom plate seal respectively.
3. high reliability vehicle-mounted lithium battery device according to claim 2 is characterized in that: after two or three coldplate fastens, be fitted with at least one simply connected and expand coldplate between the featheredge of the flange of each three coldplate and another three coldplate; The thickness of described simply connected expansion coldplate is identical with the featheredge thickness of three coldplates, the inner face upper and lower of simply connected expansion coldplate is distributed with respectively a S shape cooling water runner, and bottom S shape cooling water runner and top S shape cooling water runner are mirror image and distribute centered by the axis of simply connected expansion coldplate horizontal direction; The S shape cooling water runner of described simply connected expansion coldplate forms end to end with adjacent S shape cooling water runner respectively.
4. according to claim 2 or 3 described high reliability vehicle-mounted lithium battery devices, it is characterized in that: the termination of each described S shape cooling water runner connects respectively the thickness direction of place coldplate, be connected by control board respectively in the outer face of place coldplate between the adjacent termination of adjacent two S shape cooling water runners, described control board has ' leading to ' and ' ending ' two states.
5. high reliability vehicle-mounted lithium battery device according to claim 4, it is characterized in that: described control board is installed for heavy formula in the outer face of place coldplate, the outer face of described control board is equal with the outer face of place coldplate, and the inner face edge sealing of each described control board is installed in the corresponding groove of place coldplate.
6. high reliability vehicle-mounted lithium battery device according to claim 1, it is characterized in that: each described lithium cell core is respectively installed with the radiation aluminium cover outward, the outside of each described radiation aluminium cover is coated with U-shaped red copper fin, and the two side of described U-shaped red copper fin and diapire fit with both sides and the bottom of each radiation aluminium cover respectively; The sidewall outside that described U-shaped red copper fin is relative with described cooling bottom plate is fitted with the moulded heat-conductive insulated plastics plate, and described moulded heat-conductive insulated plastics plate is fitted on the described cooling bottom plate.
7. high reliability vehicle-mounted lithium battery device according to claim 6, it is characterized in that: described U-shaped red copper fin is provided with elastic bumps away from the sidewall of described cooling bottom plate, and described elastic bumps is stamped to form from inside to outside by U-shaped red copper fin self.
8. high reliability vehicle-mounted lithium battery device according to claim 7, it is characterized in that: described elastic bumps is respectively equipped with four at the sidewall of each U-shaped red copper fin, four rectangular distributions of elastic bumps; Each elastic bumps only has one side and described U-shaped red copper fin to keep being connected, and all the other position integral body are given prominence to outside the window that punching press forms.
9. high reliability vehicle-mounted lithium battery device according to claim 1, it is characterized in that: each lithium battery module positive pole is respectively with adjacent lithium battery module negative pole or anodally interconnect by copper busbar in the described lithium battery box body, and each described copper busbar is with each described lithium battery module successively serial or parallel connection.
10. high reliability vehicle-mounted lithium battery device according to claim 1 is characterized in that: the front end face middle part of described lithium battery box body is provided with transparent burst disk, and described burst disk is sealedly connected on the described lithium battery box body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202860846U CN202695577U (en) | 2012-06-18 | 2012-06-18 | High-reliability vehicle-mounted lithium battery device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202860846U CN202695577U (en) | 2012-06-18 | 2012-06-18 | High-reliability vehicle-mounted lithium battery device |
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| CN202695577U true CN202695577U (en) | 2013-01-23 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102723452A (en) * | 2012-06-18 | 2012-10-10 | 北京戴尔维动力电池系统科技有限公司 | Highly reliable vehicular lithium battery device |
| CN104716398A (en) * | 2013-12-17 | 2015-06-17 | 苏州峰通光电有限公司 | Vehicle-mounted battery cooling device |
| CN104779419A (en) * | 2014-01-09 | 2015-07-15 | 罗伯特·博世有限公司 | Battery pack with external cooling system interfaces |
-
2012
- 2012-06-18 CN CN2012202860846U patent/CN202695577U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102723452A (en) * | 2012-06-18 | 2012-10-10 | 北京戴尔维动力电池系统科技有限公司 | Highly reliable vehicular lithium battery device |
| CN102723452B (en) * | 2012-06-18 | 2014-05-14 | 北京戴尔维动力电池系统科技有限公司 | Highly reliable vehicular lithium battery device |
| CN104716398A (en) * | 2013-12-17 | 2015-06-17 | 苏州峰通光电有限公司 | Vehicle-mounted battery cooling device |
| CN104779419A (en) * | 2014-01-09 | 2015-07-15 | 罗伯特·博世有限公司 | Battery pack with external cooling system interfaces |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130123 Effective date of abandoning: 20140514 |
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| RGAV | Abandon patent right to avoid regrant |