CN104716398A - Vehicle-mounted battery cooling device - Google Patents
Vehicle-mounted battery cooling device Download PDFInfo
- Publication number
- CN104716398A CN104716398A CN201310693224.0A CN201310693224A CN104716398A CN 104716398 A CN104716398 A CN 104716398A CN 201310693224 A CN201310693224 A CN 201310693224A CN 104716398 A CN104716398 A CN 104716398A
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- battery
- vehicle battery
- heat
- vehicle
- liquid cooling
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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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- Battery Mounting, Suspending (AREA)
- Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
- Secondary Cells (AREA)
Abstract
The invention provides a vehicle-mounted battery cooling device including a liquid cooling chamber and a heat radiating body arranged on one surface of the liquid cooling chamber, a plurality of battery grooves are formed on one surface of the heat radiating body, and each of the battery grooves is suitable for placing two a vehicle-mounted batteries. The cooling device adopts the cooling device heat radiating body as a structural element, the structural strength is strengthened, the inner part can be cooled, and the external part can be strengthened. The batteries can be fixed by the battery grooves, battery shift phenomenon in the vehicle movement process can be prevented, safety is high; the battery groove depth is greater than battery height, and heat dissipation area increase can be facilitated, so that the battery heat dissipation is even. The cooling fluid flow in the liquid cooling chamber of the cooling device can drive an overall decrease in temperature.
Description
Technical field
The present invention relates to a kind of electric automobile and manufacture field, particularly relate to the heat abstractor in electric automobile vehicle mounted electric pond.
Background technology
Along with improving constantly of the energy scarcity in global range and people's environmental consciousness, electric automobile industry obtains swift and violent development in recent years, and battery is as the core component of electric automobile, and its performance directly affects the performance of electric automobile.Electric automobile is in running, battery can produce amount of heat, if heat can not be discharged in time, the all parts temperature of battery can be made to raise, exceed the efficient working range of battery, have a strong impact on efficiency and the useful life of battery, bring potential safety hazard simultaneously, therefore design high performance battery heat removal system most important.
The cooling system adopted in current electric automobile industry mostly is wind-cooling heat dissipating system and liquid cooling heat radiation system.Wind-cooling heat dissipating system take air as heat eliminating medium, is taken away by the heat of radiator fan by generation, and liquid cooling heat radiation system is then taken away by the heat of generation by the liquid radiating medium of water one class.
The shortcoming that above-mentioned cooling system exists is that non-uniform temperature in battery case, easily causes the battery temperature difference, thus affect battery with two side terminals, and then affect battery life.And, above-mentioned cooling system is arranged in battery case, when battery is dispelled the heat, poor stability, all needs additional steel plates to reinforce, not only gains in weight but also increase volume, and likely can have influence on the position of the cell in battery case, cause the phenomenon that battery displacement occurs in vehicle operation, thus cause contacting with each other between cell being short-circuited, there is potential safety hazard.
Summary of the invention
For this reason, technical problem to be solved by this invention is that in prior art, construction for heat radiating device is fragile and unstable, uneven for battery case heat radiation, thus proposes a kind of on-vehicle battery heat abstractor.
For solving the problems of the technologies described above, the invention provides following technical scheme:
A kind of on-vehicle battery heat abstractor, comprises liquid cooling chamber and is arranged at the surperficial heat radiator body in one, described liquid cooling chamber;
A face of described heat radiator body forms some battery cases, battery case described in each is suitable for placement two pieces of on-vehicle batteries, the degree of depth of described battery case is greater than the height of described on-vehicle battery, and described battery case bottom surface is provided with the electric conductor with described on-vehicle battery positive pole and cathode contact;
Described liquid cooling chamber is provided with medium entrance and media outlet, and described medium entrance and described media outlet UNICOM form liquid cooling circulation circuit.
Above-mentioned on-vehicle battery heat abstractor, described liquid cooling chamber is the dog leg piping of hollow, and the entrance of described dog leg piping is described medium entrance, and the outlet of described dog leg piping is described media outlet.
Above-mentioned on-vehicle battery heat abstractor, also comprises circuit board, described circuit board is provided with the contact with the positive pole of described on-vehicle battery and negative pole conducting, and described circuit board is covered on described battery case surface and conducts with described on-vehicle battery.
Above-mentioned on-vehicle battery heat abstractor, described heat radiator body is aluminum body.
Above-mentioned on-vehicle battery heat abstractor, also comprises heat insulation layer, is coated on the outside in described circuit board, described aluminum body and described liquid cooling chamber.
Above-mentioned on-vehicle battery heat abstractor, described heat insulation layer is aerosol layer.
Above-mentioned on-vehicle battery heat abstractor, also comprises heat dissipating layer, is arranged at described battery case inwall and fits tightly with described battery case inwall.
Above-mentioned on-vehicle battery heat abstractor, also comprises the pump housing, and the described pump housing is arranged between described medium entrance and described media outlet; The described pump housing and described medium entrance and described media outlet form path, coolant under the effect of the described pump housing at described path internal circulation flow.
Above-mentioned on-vehicle battery heat abstractor, is mixed with extinguishing chemical component or volatilization cooling component in described coolant.
Technique scheme of the present invention has the following advantages compared to existing technology:
(1) on-vehicle battery heat abstractor of the present invention, comprises liquid cooling chamber and is arranged at the surperficial heat radiator body in one, described liquid cooling chamber.A face of described heat radiator body forms some battery cases, and battery case described in each is suitable for placement two pieces of on-vehicle batteries.Heat abstractor in the present invention, adopts cooling device heat radiator body to serve as structural member, strengthens structural strength, internally can cool, externally can reinforce.Adopt battery case can self-contained battery, prevent automobile from battery shifting phenomena occurring in moving process, can effectively protect each battery cell and isolate, and increase overall rigidity and impact strength, when running into severe impact, can effectively prevent large-area battery pack from occurring distortion, leakage, open circuit and then causing danger on fire, fail safe is high; The battery case degree of depth is greater than cell height and is conducive to increasing heat radiation area, and battery is dispelled the heat evenly.Heat abstractor in the present invention, the coolant flow in liquid cooling chamber can drive bulk temperature to decline.
(2) vehicle-mounted heat abstractor of the present invention, described liquid cooling chamber is the dog leg piping of hollow, and the entrance of described dog leg piping is described medium entrance, and the outlet of described dog leg piping is described media outlet.Adopt dog leg piping to increase liquid flow time, namely increase the time of contact of liquid and heat radiator body, more heat can be absorbed to distribute, thus can radiating efficiency be improved.
(3) vehicle-mounted heat abstractor of the present invention; comprise circuit board; described circuit board is provided with the contact with the positive pole of described on-vehicle battery and negative pole conducting; described circuit board is covered on described battery case surface and conducts with described on-vehicle battery; the design of circuit board is convenient to carry out test analysis and the rapid replacing to battery cell to battery cell; circuit board and aluminum body and liquid cooling chamber form three-decker; there is good mechanical protection performance; there is better stability; and maintainable good, easily process.
(4) on-vehicle battery heat abstractor of the present invention, entirety is wrapped up by aerosol, and hot/cold is guided in outside, is conducive to Integral automobile external form, pneumatic and safe design.
(5) on-vehicle battery heat abstractor of the present invention, also comprises heat dissipating layer, is arranged at described battery case inwall and fits tightly with described battery case inwall.Can ensure that the inwall of battery and battery case is not having space by additional heat layer, the stability of battery can be ensured further.
(6) on-vehicle battery heat abstractor of the present invention, also comprises the pump housing, and the described pump housing is arranged between described medium entrance and described media outlet; The described pump housing and described medium entrance and described media outlet form path, coolant under the effect of the described pump housing at described path internal circulation flow.The circulation rate controlling liquid can be added by the pump housing, the efficiency of heat radiation can be improved by the flowing of accelerating liquid.
(7) on-vehicle battery heat abstractor of the present invention, adds the composition of extinguishing chemical composition or volatilization cooling in coolant, when running into battery pack and being damaged, the liquid simultaneously spilt can play effect that is fire-retardant and fire extinguishing.
Accompanying drawing explanation
In order to make content of the present invention be more likely to be clearly understood, below according to a particular embodiment of the invention and by reference to the accompanying drawings, the present invention is further detailed explanation, wherein
Fig. 1 is the overall structure schematic diagram of one embodiment of the invention;
Fig. 2 is the overall structure schematic diagram of one embodiment of the invention;
Fig. 3 is the heat radiator body vertical view of one embodiment of the invention;
Fig. 4 is the battery case structure schematic diagram of one embodiment of the invention;
Fig. 5 is the heat radiator body structure side view of one embodiment of the invention;
Fig. 6 is the single battery group structural representation of one embodiment of the invention;
Fig. 7 is the liquid cooling cavity configuration schematic diagram of one embodiment of the invention.
In figure, Reference numeral is expressed as: 1-liquid cooling chamber, 2-heat radiator body, 3-circuit board, 11-dog leg piping, 12-medium entrance, 13-media outlet, 21-battery case, 22-on-vehicle battery, 23-electric conductor.
Embodiment
embodiment 1
The present embodiment provides a kind of on-vehicle battery heat abstractor, as illustrated in fig. 1 and 2, comprises liquid cooling chamber 1 and is arranged at the surperficial heat radiator body 2 in 1 one, described liquid cooling chamber.Wherein said heat radiator body 2 can be aluminum body, and aluminum body has higher thermal conductivity and therefore has good radiating effect, but intensity is poor.Described heat radiator body 2 also can be aluminium alloy body or metal body, and concrete situation will consider heat dispersion, intensity, the actual demand of weight and cost.
A face of described heat radiator body 2 forms some battery cases 21, battery case 21 described in each is suitable for placement two pieces of on-vehicle batteries 22, the degree of depth of described battery case 21 is greater than the height of described on-vehicle battery 22, and described battery case bottom surface is provided with the electric conductor with described on-vehicle battery 22 positive pole and cathode contact.Described liquid cooling chamber 1 is provided with medium entrance 12 and media outlet 13, and described medium entrance 12 and described media outlet 13 UNICOM form liquid cooling circulation circuit.Be appreciated that described medium entrance 12 and described media outlet 13 to be joined together to form liquid cooling circulation circuit, also can split and come, to realize injecting liquid from medium entrance 12, from media outlet 13 by fluid discharge.
A face of heat radiator body 2 as shown in Figure 3 forms some battery cases 21, two pieces of on-vehicle batteries 22 are placed in each battery case 21, the size of heat radiator body 2 is determined according to the quantity of described on-vehicle battery 22 and size, such as 18650 lithium battery diameters are 18mm, required 7000, battery, battery distance 5-10mm, the then general 4m of the size of heat radiator body 2
2.
As shown in Figure 4, if the diameter of described on-vehicle battery 22 is X, then the size shown in figure will meet following relation to the size of described battery case 21:
B>X, ensures that battery case 21 can put into on-vehicle battery 22;
C>X, ensures not contact between adjacent on-vehicle battery 22;
A<X, forms remaining silent of battery case 21, can fix on-vehicle battery 22, and can increase heat radiation contact area.
Fig. 5 is the end view of heat radiator body 2, the degree of depth of battery case 21 is greater than the height of on-vehicle battery 22, object is the contact area increasing battery case 21 and on-vehicle battery 22, places heat sink material between battery case 21 and on-vehicle battery 22, can strengthen the effect of heat radiation and fixed position.Described heat sink material can select aluminum sheet.Can ensure that the inwall of battery and battery case no longer includes space by additional heat layer, the stability of battery can be ensured further.
As shown in the figure, the bottom surface of described battery case 21 is provided with the electric conductor of on-vehicle battery 22 positive pole and cathode contact, the bottom of two pieces of on-vehicle batteries 22 utilizes electric conductor 23 to connect, and described electric conductor 23 can be copper bridging plate or wire.
The heat abstractor of the present embodiment, adopts cooling device heat radiator body 2 to serve as structural member, strengthens structural strength, internally can cool, externally can reinforce.Adopt battery case can self-contained battery; prevent automobile from battery shifting phenomena occurring in moving process; can effectively protect each battery cell and isolate; and increase overall rigidity and impact strength; when running into severe impact; can effectively prevent large-area battery pack from occurring distortion, leakage, open circuit and then causing danger on fire, fail safe is high.The battery case degree of depth is greater than cell height and is conducive to increasing heat radiation area, and battery is dispelled the heat evenly.Heat abstractor in the present invention, the coolant flow in liquid cooling chamber can drive bulk temperature to decline.
embodiment 2
The present embodiment is on the basis of embodiment 1, also comprise circuit board 3, described circuit board 3 is provided with the contact with the positive pole of on-vehicle battery 22 and negative pole conducting, circuit board 3 is covered on battery case 21 surface and conducts with on-vehicle battery 22, in addition as required described circuit board 3 can also be equipped with acquisition chip can gather the current/voltage of every block on-vehicle battery 22, and circuit board 3 is equipped with battery charge circuit to charge to on-vehicle battery 22, the arrangement mode of battery pack and the design of circuit board can be convenient to carry out test analysis to battery cell and change rapidly, because described circuit board 3 is covered in this heat radiator body described, circuit board thus, heat radiator body and liquid cooling chamber form three-decker, there is good mechanical protection performance, there is better stability, and it is maintainable good, easy processing.
As optional execution mode, described liquid cooling chamber 1 can be the cavity of hollow, also can be to have some shape that can increase heat radiation contact area or can larger fluid and the shape of aluminum body time of contact.As shown in Figure 7, liquid cooling chamber 1 is the dog leg piping 11 of hollow to the structure in the liquid cooling chamber 1 in the present embodiment, and the entrance of dog leg piping 11 is medium entrance 12, and the outlet of dog leg piping 11 is media outlet 13.Adopt dog leg piping to increase liquid flow time, namely increase the time of contact of liquid and heat radiator body, more heat can be absorbed to distribute, thus can radiating efficiency be improved.
As preferred embodiment, the heat abstractor in the present embodiment also comprises the pump housing, and the described pump housing is arranged between described medium entrance 12 and described media outlet 13; The described pump housing and described medium entrance 12 and described media outlet 13 form path, coolant under the effect of the described pump housing at described path internal circulation flow.The circulation rate controlling liquid can be added by the pump housing, the efficiency of heat radiation can be improved by the flowing of accelerating liquid.
In addition, the heat abstractor in the present embodiment also comprises heat insulation layer, is coated on the outside in described circuit board, described aluminum body and described liquid cooling chamber.Further preferably, described heat insulation layer is aerosol layer.Device entirety is wrapped up by aerosol layer, plays good heat-blocking action.
It should be noted that, the liquid for cooling mentioned in the above embodiments of the present application, can adopt water, special cooling fluid etc.Also phase-change material can be adopted.Phase-change material is meeting liquefy when absorbing heat, and can become solid-state when heat release.Not only can dispel the heat to battery pack, and the effect of insulation can be realized when temperature is low.Can add the composition of extinguishing chemical or volatilization cooling in cooling fluid, when running into battery pack and being damaged, the liquid simultaneously spilt can play effect that is fire-retardant and fire extinguishing.
Obviously, above-described embodiment is only for clearly example being described, and the restriction not to execution mode.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all execution modes.And thus the apparent change of extending out or variation be still among the protection range of the invention.
Claims (9)
1. an on-vehicle battery heat abstractor, is characterized in that, comprises liquid cooling chamber and is arranged at the surperficial heat radiator body in one, described liquid cooling chamber;
A face of described heat radiator body forms some battery cases, battery case described in each is suitable for placement two pieces of on-vehicle batteries, the degree of depth of described battery case is greater than the height of described on-vehicle battery, and described battery case bottom surface is provided with the electric conductor with described on-vehicle battery positive pole and cathode contact;
Described liquid cooling chamber is provided with medium entrance and media outlet, and described medium entrance and described media outlet UNICOM form liquid cooling circulation circuit.
2. on-vehicle battery heat abstractor according to claim 1, is characterized in that, described liquid cooling chamber is the dog leg piping of hollow, and the entrance of described dog leg piping is described medium entrance, and the outlet of described dog leg piping is described media outlet.
3. on-vehicle battery heat abstractor according to claim 1 and 2, it is characterized in that, also comprise circuit board, described circuit board is provided with the contact with the positive pole of described on-vehicle battery and negative pole conducting, described circuit board is covered on described battery case surface and conducts with described on-vehicle battery.
4., according to the arbitrary described on-vehicle battery heat abstractor of claim 1-3, it is characterized in that, described heat radiator body is aluminum body.
5. according to the arbitrary described on-vehicle battery heat abstractor of claim 1-4, it is characterized in that, also comprise heat insulation layer, be coated on the outside in described circuit board, described aluminum body and described liquid cooling chamber.
6. on-vehicle battery heat abstractor according to claim 5, is characterized in that, described heat insulation layer is aerosol layer.
7., according to the arbitrary described on-vehicle battery heat abstractor of claim 1-6, it is characterized in that, also comprise heat dissipating layer, be arranged at described battery case inwall and fit tightly with described battery case inwall.
8., according to the arbitrary described on-vehicle battery heat abstractor of claim 1-7, it is characterized in that, also comprise the pump housing, the described pump housing is arranged between described medium entrance and described media outlet; The described pump housing and described medium entrance and described media outlet form path, coolant under the effect of the described pump housing at described path internal circulation flow.
9. want the on-vehicle battery heat abstractor described in 8 according to right, it is characterized in that, in described coolant, be mixed with extinguishing chemical component or volatilization cooling component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310693224.0A CN104716398A (en) | 2013-12-17 | 2013-12-17 | Vehicle-mounted battery cooling device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310693224.0A CN104716398A (en) | 2013-12-17 | 2013-12-17 | Vehicle-mounted battery cooling device |
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| CN104716398A true CN104716398A (en) | 2015-06-17 |
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| CN201310693224.0A Pending CN104716398A (en) | 2013-12-17 | 2013-12-17 | Vehicle-mounted battery cooling device |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105406147A (en) * | 2015-11-13 | 2016-03-16 | 湖南南车时代电动汽车股份有限公司 | Battery water-cooling plate water path structure and battery water-cooling radiating method |
| CN105946503A (en) * | 2016-05-05 | 2016-09-21 | 西南交通大学 | Vehicle-mounted temperature reduction device for car |
| CN106785224A (en) * | 2017-03-10 | 2017-05-31 | 江苏索尔新能源科技股份有限公司 | A kind of radiating subassembly of on-vehicle battery |
| CN106935929A (en) * | 2015-12-30 | 2017-07-07 | 通用汽车环球科技运作有限责任公司 | For the composite type heat exchanger and its manufacture method of battery |
| CN108133919A (en) * | 2017-12-29 | 2018-06-08 | 加弘科技咨询(上海)有限公司 | Closed loop liquid cooling apparatus and its electronic equipment of application |
| CN108736098A (en) * | 2018-05-03 | 2018-11-02 | 安徽新能科技有限公司 | A kind of bottom liquid cooling battery modules of high-energy density |
| CN109687054A (en) * | 2018-12-27 | 2019-04-26 | 江南大学 | A kind of liquid cooling battery heat removal system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105406147B (en) * | 2015-11-13 | 2018-10-26 | 湖南南车时代电动汽车股份有限公司 | A kind of battery cooled plate waterway structure and cell water cooling heat dissipation method |
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| CN106935929A (en) * | 2015-12-30 | 2017-07-07 | 通用汽车环球科技运作有限责任公司 | For the composite type heat exchanger and its manufacture method of battery |
| CN106935929B (en) * | 2015-12-30 | 2020-03-17 | 通用汽车环球科技运作有限责任公司 | Composite heat exchanger for battery and method of manufacturing the same |
| CN105946503A (en) * | 2016-05-05 | 2016-09-21 | 西南交通大学 | Vehicle-mounted temperature reduction device for car |
| CN106785224B (en) * | 2017-03-10 | 2023-09-19 | 苏州索尔智行新能源科技有限公司 | Radiating assembly of vehicle-mounted battery |
| CN106785224A (en) * | 2017-03-10 | 2017-05-31 | 江苏索尔新能源科技股份有限公司 | A kind of radiating subassembly of on-vehicle battery |
| CN108133919A (en) * | 2017-12-29 | 2018-06-08 | 加弘科技咨询(上海)有限公司 | Closed loop liquid cooling apparatus and its electronic equipment of application |
| CN108133919B (en) * | 2017-12-29 | 2024-05-28 | 加弘科技咨询(上海)有限公司 | Closed loop liquid cooling device and electronic equipment using same |
| CN108736098A (en) * | 2018-05-03 | 2018-11-02 | 安徽新能科技有限公司 | A kind of bottom liquid cooling battery modules of high-energy density |
| CN108736098B (en) * | 2018-05-03 | 2024-01-12 | 安徽新能科技有限公司 | Bottom liquid cooling battery module with high energy density |
| CN109687054A (en) * | 2018-12-27 | 2019-04-26 | 江南大学 | A kind of liquid cooling battery heat removal system |
| CN109687054B (en) * | 2018-12-27 | 2024-05-14 | 江南大学 | Liquid cooling battery cooling system |
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