CN209029507U - A kind of current sharing liquid body cooled automobile power cell group - Google Patents

A kind of current sharing liquid body cooled automobile power cell group Download PDF

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Publication number
CN209029507U
CN209029507U CN201821741771.6U CN201821741771U CN209029507U CN 209029507 U CN209029507 U CN 209029507U CN 201821741771 U CN201821741771 U CN 201821741771U CN 209029507 U CN209029507 U CN 209029507U
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shell
liquid
power cell
cell group
automobile power
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蔡贵立
史忠山
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Foshan Jiuan Energy Storage Technology Co ltd
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Guangdong Heyi New Material Institute Co Ltd
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

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Abstract

The utility model relates to a kind of current sharing liquid body cooled automobile power cell groups, connecting terminal including shell and for being connect with external circuit, battery pack is equipped in the shell, insulating and cooling liquid, pump and feed liquor homogenizing plate, the connecting terminal and the battery pack are electrically connected, the side wall that the shell two of them are oppositely arranged is denoted as the first side wall and second sidewall respectively, the insulating and cooling liquid is full of the inner space of the shell, the shell is externally provided with cooling device, the outlet of the pump is connected with pipeline, admission chamber is equipped in the shell, the admission chamber is equipped with inlet, the pipeline passes through the cooling device and connect with the inlet.A kind of current sharing liquid body cooled automobile power cell group provided by the utility model by the way that battery pack to be integrally immersed in insulating and cooling liquid, and then realizes the cooling to automobile power cell group.

Description

A kind of current sharing liquid body cooled automobile power cell group
Technical field
The utility model relates to power battery fields, and in particular to a kind of current sharing liquid body cooled automobile power cell group.
Background technique
Increasingly serious with energy and environmental problem, electric car gradually replaces conventional fuel oil automobile, becomes vapour The big important branch of the one of garage's industry.And electric car include three core technologies, power battery, motor and control system, wherein Power battery is the most key, and performance indicator and economic cost determine the commercialization process of electric car.Electric car at present Battery is broadly divided into two major classes-battery and fuel cell, and battery includes nickel-metal hydride battery, lithium battery, receives sulphur battery etc. then It is the emphasis of existing market exploitation.
Power battery can all generate heat in charging process and discharge process, and charging process is an exothermic reaction and has in battery Resistance, during quick charge, the temperature of battery can rise obviously, and especially when fast be full of, fever is particularly acute;Electric discharge Process, battery-heating are mainly Joule heat caused by the internal resistance of cell;Battery long-term temperature is excessively high to generate not the service life of battery Good influence, in some instances it may even be possible to overheat spontaneous combustion, therefore these batteries need to control its internal temperature in the reasonable scope.Power battery charging It is required that charging rate is fast, most simple and crude solution is exactly to increase charging current, and high current will cause quantity of heat production increasing;And Discharge process guarantees that vehicle power is abundant, it is also desirable to which High-current output causes Joule heat quickly to generate, and the above operating condition causes to move The electrothermal calefactive rate of power battery is much higher than conventional batteries, so power battery needs to install radiator additional, to guarantee dynamical system Safety.Currently, the demand with battery capacity is being continuously increased, traditional fan cooling has been unable to satisfy dissipating for power battery Heat demand, and non-contact liquid cold plate cooling structure is complicated, it is at high cost.
Utility model content
The utility model provides a kind of current sharing liquid body cooled automobile power cell group, by integrally submerging battery pack It in insulating and cooling liquid, and then realizes the cooling to automobile power cell group, while can guarantee the uniformity cooling to battery pack, The structure improves the radiating rate of battery pack, it is fast can to meet battery pack by directly contacting insulating and cooling liquid with battery pack The demand of speed heat dissipation, meanwhile, the structure is simple, advantageously reduces manufacturing cost.
To achieve the above object, the utility model provides a kind of current sharing liquid body cooled automobile power cell group, including The shell of sealing and connecting terminal for being connect with external circuit, be equipped in the shell battery pack, insulating and cooling liquid, pump and Feed liquor homogenizing plate, the connecting terminal and the battery pack are electrically connected, the side wall that the shell two of them are oppositely arranged Be denoted as the first side wall and second sidewall respectively, the feed liquor homogenizing plate be set to the shell the first side wall and the battery pack Between and be parallel to the first side wall setting, the feed liquor homogenizing plate separates the first side wall relative to the battery pack And surrounded jointly with the other faces of the first side wall and shell and to form an admission chamber, the admission chamber is equipped with inlet, described Feed liquor homogenizing plate is the plate structure that surface is equipped with through-hole, and the insulating and cooling liquid is full of the inner space of the shell, described Shell is externally provided with cooling device, and the outlet of the pump is connected with pipeline, and the pipeline passes through the cooling device and the feed liquor Mouth connection.
Preferably, the cooling device includes the liquid storage box for being set to the upper surface of the shell, the liquid storage The lower surface of box is equipped with liquid outlet, and the outlet end of the pipeline extends to the inside of the liquid storage box, the liquid outlet with it is described Inlet connection.
Preferably, the cooling device further includes the cooling fin of multiple outer surfaces for being set to the liquid storage box Piece.
Preferably, the cooling device further includes the radiator fan for being set to the outside of the radiated rib.
Preferably, the cooling device is air-cooled radiator, and the pipeline passes through the air-cooled radiator and institute State inlet connection.
Preferably, the pipeline includes radiating segment, and the radiating segment is the tubular structure of coiling setting, described to dissipate Hot arc connect with the air-cooled radiator and is located in the air-cooled radiator.
Preferably, the pump is set between the battery pack and the second sidewall.
Preferably, stand-by pump is additionally provided in the shell, the stand-by pump is connect with the liquid feeding end of the pipeline.
Preferably, the battery pack includes multiple connect respectively with the bottom surface of the shell and rectangular array cloth The single battery set.
Preferably, the quantity of the connecting terminal be it is multiple, the shell in a rectangular parallelepiped shape, multiple wiring Terminal is set on one of side of the shell, the side of the not set connecting terminal of the other three of the shell It is respectively equipped with the radiated rib of multiple rectangular array settings.
A kind of current sharing liquid body cooled automobile power cell group, passes through connecting terminal conduct provided by above-mentioned technical proposal Power output end powers for automobile, can generate amount of heat in charge and discharge process in automobile power cell group, wherein pyrotoxin Insulating and cooling liquid is full of in shell for the heat for reducing single battery for the single battery in battery pack, so that guaranteeing will be electric Pond group is totally submerged in insulating and cooling liquid, and insulating and cooling liquid carries out real-time heat with single battery and exchanges, to reduce monomer The heat of battery, since the intracorporal insulating and cooling liquid of shell will be added while realizing the heat dissipation to single battery by single battery Insulating and cooling liquid is pumped to the hollow chamber of lid by setting pump by heat, and in the hollow chamber to being heated after Insulating and cooling liquid is cooled down, and insulating and cooling liquid after cooling is back to the inside of shell.In addition, guarantee to battery pack top and The uniform cooling of lower part flows into the intracorporal insulating and cooling liquid of shell and initially enters admission chamber, then flow by the way that feed liquor homogenizing plate is arranged It is flowed through feed liquor homogenizing plate, the insulating and cooling liquid flowed out from feed liquor homogenizing plate uniformly flows to battery pack, and to battery pack It is cooled down, to guarantee the uniformity that battery pack integrally cools down, the structure with battery pack by directly connecing insulating and cooling liquid Touching, improves the radiating rate of battery pack, can meet the needs of battery pack rapid cooling, meanwhile, the structure is simple, is conducive to drop Low manufacturing cost.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model embodiment 1;
Fig. 2 is the schematic cross-section in the direction A-A in Fig. 1;
Fig. 3 is the structural schematic diagram of the utility model embodiment 2.
Wherein: 1, radiator fan;2, radiated rib;3, liquid storage box;4, pipeline;5, it pumps;6, single battery;7, bracket;8, Shell;9, feed liquor homogenizing plate;10, air-cooled radiator;11, radiating segment.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.Below Embodiment is not intended to limit the scope of the present invention for illustrating the utility model.
Embodiment 1
It as shown in Figs. 1-2, is a kind of current sharing liquid body cooled automobile power cell group provided by the present embodiment, feature It is, the shell 8 including sealing and the connecting terminal for being connect with external circuit, battery pack, insulation is equipped in the shell 8 Coolant liquid, pump 5 and feed liquor homogenizing plate 9, the connecting terminal and the battery pack are electrically connected, by 8 two of them of shell The side wall being oppositely arranged is denoted as the first side wall and second sidewall respectively, and the feed liquor homogenizing plate 9 is set to the first of the shell 8 Between side wall and the battery pack and it is parallel to the first side wall setting, the feed liquor homogenizing plate 9 is by the first side wall phase The battery pack is separated and surrounds to form an admission chamber, the feed liquor jointly with the other faces of the first side wall and shell 8 Chamber is equipped with inlet, and the feed liquor homogenizing plate 9 is the plate structure that surface is equipped with through-hole, it is preferable that described in the present embodiment Feed liquor homogenizing plate 9 is that surface is equipped with multiple through-holes being evenly arranged, and the insulating and cooling liquid is full of the inside of the shell 8 Space, the shell 8 are externally provided with cooling device, and the outlet of the pump 5 is connected with pipeline 4, and the pipeline 4 passes through the cooling dress It sets and is connect with the inlet.Specifically, it is powered by connecting terminal as power output end for automobile, in automobile power electricity Pond group can generate amount of heat in charge and discharge process, and wherein pyrotoxin is the single battery 6 in battery pack, to reduce monomer electricity The heat in pond 6 is full of insulating and cooling liquid in shell 8, to guarantee to be totally submerged battery pack in insulating and cooling liquid, insulate Coolant liquid carries out real-time heat with single battery 6 and exchanges, so that the heat of single battery 6 is reduced, due to the insulating cold in shell 8 But liquid will be heated while realizing the heat dissipation to single battery 6 by single battery 6, be taken out insulating and cooling liquid by setting pump 5 It is drawn to the hollow chamber of lid, and the insulating and cooling liquid after being heated is cooled down in the hollow chamber, it is after cooling Insulating and cooling liquid is back to the inside of shell 8.In addition, guarantee uniform cooling to battery pack upper and lower part, by be arranged into Liquid homogenizing plate 9, the insulating and cooling liquid flowed into shell 8 initially enter admission chamber, then flow through feed liquor homogenizing plate 9 and flowed, The insulating and cooling liquid flowed out from feed liquor homogenizing plate 9 uniformly flows to battery pack, and cools down to battery pack, to guarantee battery The uniformity that group integrally cools down, the structure improve the heat dissipation of battery pack by directly contacting insulating and cooling liquid with battery pack Speed can meet the needs of battery pack rapid cooling, meanwhile, the structure is simple, advantageously reduces manufacturing cost.
In the present embodiment, the cooling device includes the liquid storage box 3 for being set to the upper surface of the shell 8, the liquid storage The lower surface of box 3 is equipped with liquid outlet, and the outlet end of the pipeline 4 extends to the inside of the liquid storage box 3, the liquid outlet and institute Inlet connection is stated, the cooling device further includes the radiated rib 2 of multiple outer surfaces for being set to the liquid storage box 3.Specifically Ground, since the insulating and cooling liquid in shell 8 will be heated while realizing the heat dissipation to single battery 6 by single battery 6, therefore by The insulating and cooling liquid temperature being pumped in liquid storage box 3 is relatively high, therefore should carry out to the temperature of the insulating and cooling liquid in liquid storage box 3 It reduces, to improve cooling effect during spraying cooling, it is described for the heat dissipation for realizing the insulating and cooling liquid in liquid storage box 3 The upper surface of liquid storage box 3 is connected with multiple radiated ribs 2, and the insulating and cooling liquid in liquid storage box 3 is by the radiated rib 2 and outside Boundary's environment carries out heat exchange, to realize the heat dissipation to the insulating and cooling liquid in liquid storage box 3;In addition, to further increase pair The heat dissipation effect of insulating and cooling liquid in liquid storage box 3, as shown in Figure 1, the outside of the radiated rib 2, which is equipped with, to be dissipated in this implementation Hot-air fan 1, by the way that radiator fan 1 is arranged in the outside of radiated rib 2, to accelerate the speed of the air flowing nearby of radiated rib 2 Degree, and then improve the insulating and cooling liquid in liquid storage box 3 and carry out the speed that heat exchanges with external environment.
Preferably, the connecting terminal is set to the outside of the shell 8, it is further preferred that the connecting terminal can To be set to the outer surface of the shell 8 or be set to the outer surface of the liquid storage box 3, in this implementation, the connecting terminal is set It is placed in the outer surface of the shell 8.
In the present embodiment, the pump 5 is set between the battery pack and the second sidewall, in this way, can guarantee shell The feed liquor and drain position of body 8 are located at the two sides of battery pack, to form a flow circulation, raising pair in shell 8 The heat dissipation effect of battery pack.In addition, liquid inlet is additionally provided on the liquid storage box 3, the outlet end and the liquid of the pipeline 4 Entrance connection, wherein the liquid inlet and liquid outlet are located at the two sides of the liquid storage box 3, to guarantee to enter liquid storage box 3 liquid must flow to the other end from one end, be just able to outflow liquid storage box 3, extend insulating and cooling liquid and stop in liquid storage box Time, and then extend the time cooling to insulating and cooling liquid, improve the cooling effect to insulating and cooling liquid.
Further, stand-by pump is additionally provided in the shell 8, the stand-by pump is connect with the liquid feeding end of the pipeline 4, when When the pump 5 breaks down, the stand-by pump is opened immediately, to guarantee that battery pack is radiated always, and then improves automobile The safety of power battery pack entirety.
In the present embodiment, the battery pack includes multiple connect respectively with the bottom surface of the shell 8 and rectangular array cloth The bottom surface of the single battery 6 set, the shell 8 is equipped with multiple brackets 7 for being used to support the single battery 6, the monomer The lower end of battery 6 is fixedly connected with the bracket 7, thus guarantee that the position of single battery 6 is fixed always relative to shell 8, from And improve the stability of automobile power cell group operation.
Further, the quantity of the connecting terminal be it is multiple, the shell 8 in a rectangular parallelepiped shape, multiple terminals Son is set on one of side of the shell 8, the side of the not set connecting terminal of the other three of the shell 8 It is respectively equipped with the radiated rib 2 of multiple rectangular array settings, the insulating and cooling liquid in shell 8 passes through the radiated rib 2, which carry out heat with external environment, exchanges, to realize the direct heat dissipation to the insulating and cooling liquid in shell 8.
Embodiment 2
As shown in figure 3, for a kind of current sharing liquid body cooled automobile power cell group provided by the present embodiment, the present embodiment The difference from embodiment 1 is that the cooling device is air-cooled radiator 10, the pipeline 4 passes through the air-cooled radiator 10 It is connect with the inlet, the pipeline 4 includes radiating segment 11, and the radiating segment 11 is the tubular structure of coiling setting, described Radiating segment 11 connect with the air-cooled radiator 10 and is located in the air-cooled radiator 10, specifically, when pump 5 will be in shell 8 Insulating and cooling liquid when pumping out and flowing to radiating segment 11, the air-cooled radiator 10 is cooling to the insulation for flowing through radiating segment 11 Liquid carries out wind-cooling heat dissipating, guarantees from radiating segment 11 to flow out into the insulating and cooling liquid temperature in shell 8 lower.The present embodiment phase For embodiment 1, liquid storage chamber, radiated rib 2 and radiator fan 1 are eliminated, alleviates automobile power cell group entirety Weight, thus the flexibility of vehicle power battery pack entirety.
A kind of other structures of current sharing liquid body cooled automobile power cell group of the present embodiment are identical as embodiment 1, This is no longer repeated.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally Connection;It can be mechanical connection, be also possible to be electrically connected;Can be directly connected, can also indirectly connected through an intermediary, It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition The concrete meaning of language in the present invention.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art For art personnel, without deviating from the technical principle of the utility model, several improvement and replacement can also be made, these change It also should be regarded as the protection scope of the utility model into replacement.

Claims (10)

1. a kind of current sharing liquid body cooled automobile power cell group, which is characterized in that shell including sealing and be used for and outside The connecting terminal of circuit connection, the shell is interior to be equipped with battery pack, insulating and cooling liquid, pump and feed liquor homogenizing plate, the terminals It is sub to be electrically connected with the battery pack, the side wall that the shell two of them are oppositely arranged is denoted as the first side wall and second respectively Side wall, the feed liquor homogenizing plate are set between the first side wall of the shell and the battery pack and are parallel to first side Wall setting, the feed liquor homogenizing plate by the first side wall separated relative to the battery pack and with its of the first side wall and shell His face is surrounded to form an admission chamber jointly, and the admission chamber is equipped with inlet, and the feed liquor homogenizing plate is surface equipped with logical The plate structure in hole, the insulating and cooling liquid are full of the inner space of the shell, and the shell is externally provided with cooling device, described The outlet of pump is connected with pipeline, and the pipeline passes through the cooling device and connect with the inlet.
2. current sharing liquid body cooled automobile power cell group according to claim 1, which is characterized in that the cooling device Liquid storage box including being set to the upper surface of the shell, the lower surface of the liquid storage box are equipped with liquid outlet, and the pipeline goes out Liquid end extends to the inside of the liquid storage box, and the liquid outlet is connect with the inlet.
3. current sharing liquid body cooled automobile power cell group according to claim 2, which is characterized in that the cooling device It further include the radiated rib of multiple outer surfaces for being set to the liquid storage box.
4. current sharing liquid body cooled automobile power cell group according to claim 3, which is characterized in that the cooling device It further include the radiator fan for being set to the outside of the radiated rib.
5. current sharing liquid body cooled automobile power cell group according to claim 1, which is characterized in that the cooling device For air-cooled radiator, the pipeline passes through the air-cooled radiator and connect with the inlet.
6. current sharing liquid body cooled automobile power cell group according to claim 5, which is characterized in that the pipeline includes Radiating segment, the radiating segment are the tubular structure of coiling setting, and the radiating segment connect with the air-cooled radiator and is located at institute It states in air-cooled radiator.
7. current sharing liquid body cooled automobile power cell group according to claim 1, which is characterized in that the pump is set to Between the battery pack and the second sidewall.
8. current sharing liquid body cooled automobile power cell group according to claim 1, which is characterized in that in the shell also Equipped with stand-by pump, the stand-by pump is connect with the liquid feeding end of the pipeline.
9. current sharing liquid body cooled automobile power cell group according to claim 1, which is characterized in that the battery pack packet Include multiple single batteries connecting respectively with the bottom surface of the shell and rectangular array is arranged.
10. current sharing liquid body cooled automobile power cell group according to claim 3, which is characterized in that the terminals Son quantity be it is multiple, in a rectangular parallelepiped shape, multiple connecting terminals are set to one of side of the shell to the shell On face, the side of the not set connecting terminal of the other three of the shell is respectively equipped with the institute of multiple rectangular array settings State radiated rib.
CN201821741771.6U 2018-10-25 2018-10-25 A kind of current sharing liquid body cooled automobile power cell group Active CN209029507U (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109301392A (en) * 2018-10-25 2019-02-01 广东合新材料研究院有限公司 A kind of current sharing liquid body cooled automobile power cell group
CN113067078A (en) * 2019-12-16 2021-07-02 河南美力达汽车有限公司 Battery protection device for new energy automobile
CN114628811A (en) * 2022-01-24 2022-06-14 广东合一新材料研究院有限公司 Engineering truck battery pack liquid cooling system
CN114628812A (en) * 2022-01-24 2022-06-14 广东合一新材料研究院有限公司 Liquid cooling system for passenger car battery pack

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109301392A (en) * 2018-10-25 2019-02-01 广东合新材料研究院有限公司 A kind of current sharing liquid body cooled automobile power cell group
CN113067078A (en) * 2019-12-16 2021-07-02 河南美力达汽车有限公司 Battery protection device for new energy automobile
CN114628811A (en) * 2022-01-24 2022-06-14 广东合一新材料研究院有限公司 Engineering truck battery pack liquid cooling system
CN114628812A (en) * 2022-01-24 2022-06-14 广东合一新材料研究院有限公司 Liquid cooling system for passenger car battery pack

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Effective date of registration: 20220706

Address after: 528000 room 207, scientific research building 5, South waterfront corridor, information Avenue, Nanhai Software Park, Shishan town, Nanhai District, Foshan City, Guangdong Province (cluster registration) (residence declaration)

Patentee after: Foshan Jiuan Energy Storage Technology Co.,Ltd.

Address before: 510000 room 431, No. 333, jiufo Jianshe Road, Zhongxin Guangzhou Knowledge City, Guangzhou, Guangdong

Patentee before: GUANGDONG HI-1 NEW MATERIALS TECHNOLOGY RESEARCH INSTITUTE Co.,Ltd.