CN109786596A - A kind of electrokinetic cell system of electric car - Google Patents

A kind of electrokinetic cell system of electric car Download PDF

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Publication number
CN109786596A
CN109786596A CN201811488837.XA CN201811488837A CN109786596A CN 109786596 A CN109786596 A CN 109786596A CN 201811488837 A CN201811488837 A CN 201811488837A CN 109786596 A CN109786596 A CN 109786596A
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CN
China
Prior art keywords
battery
lower box
electric car
electrokinetic cell
plug receptacle
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201811488837.XA
Other languages
Chinese (zh)
Inventor
曾祥兵
宋开通
朱红
谢堃
王亚东
张伟波
朱晓东
王恒
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chery New Energy Automobile Technology Co Ltd
Original Assignee
Chery New Energy Automobile Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Chery New Energy Automobile Technology Co Ltd filed Critical Chery New Energy Automobile Technology Co Ltd
Priority to CN201811488837.XA priority Critical patent/CN109786596A/en
Publication of CN109786596A publication Critical patent/CN109786596A/en
Pending legal-status Critical Current

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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
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/60Other road transportation technologies with climate change mitigation effect
    • Y02T10/70Energy storage systems for electromobility, e.g. batteries
    • 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
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10Technologies relating to charging of electric vehicles
    • Y02T90/16Information or communication technologies improving the operation of electric vehicles

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  • Battery Mounting, Suspending (AREA)

Abstract

The present invention relates to a kind of electrokinetic cell systems of electric car, which is characterized in that including lower box and upper housing, and the battery portion being arranged in the sealing space that the lower box and the upper housing are formed;The battery portion includes several modularizations, the battery modules of standardized designs, and the battery modules for being distributed in the sealing space front are symmetrically arranged, and the battery modules for being distributed in the sealing space rear portion are arranged in upper and lower double-layer structure;Power output plug receptacle, fast charge plug receptacle, trickle charge plug receptacle and the battery communication port concentrated setting of the battery system are on the Insertion panel of the battery portion.The high voltage power distribution module BDU of the battery portion is arranged on the one side of the lower box front end;The high voltage power distribution module BDU uses integrated form standardized designs.In the present invention, battery modules unification, modularized design, the size normalised design of battery modules, high-pressure system improves space utilization rate, increases energy storage capacity and reduces development cost.

Description

A kind of electrokinetic cell system of electric car
Technical field
The invention belongs to electric automobile power battery system technical fields, and in particular to a kind of power battery of electric car System.
Background technique
Pure electric automobile is the main force of new-energy automobile market, market to pure electric automobile course continuation mileage and vehicle at This requires higher and higher, and the space for causing vehicle to be supplied to battery system since vehicle wheelbase is limited is limited, to existing Space lining sets more electricity, just has to improve space utilization rate, separately since major main engine plants' vehicle is different and major electricity Pond manufacturer's battery core mould group also there are many, cause main engine plants' a vehicle of every exploitation that will develop corresponding sub- components, it is invisible In increase single product cost vehicle caused to hold at high price, battery system and sub- components hardware and software platform and modularization are set It is imperative to count.
Summary of the invention
The purpose of the present invention is realizing the modularized design of battery system mould group and sub- components, to improve space utilization Rate increases energy storage capacity and reduces development cost.To achieve the goals above, the present invention devises a kind of power of electric car Battery system.
To achieve the goals above, present invention employs following scheme:
A kind of electrokinetic cell system of electric car, including lower box and upper housing, and setting is in the lower box and described The battery portion in sealing space that upper housing is formed;The battery portion includes the battery of several modularizations, standardized designs Mould group, the battery modules for being distributed in the sealing space front are symmetrically arranged, and are distributed in the electricity at the sealing space rear portion Chi Mo group is arranged in upper and lower double-layer structure;The power output plug receptacle of the battery system, fast charge plug receptacle, trickle charge plug receptacle and Battery communication port concentrated setting is on the Insertion panel of the battery portion.
Further, the battery mould of rear portion double-layer structure arrangement is arranged in the battery management system collection plate of the battery portion The left and right sides of group;The high voltage power distribution module BDU of the battery portion is arranged on the one side of the lower box front end;The electricity The battery management system control panel of pond part is arranged in the lower box front, and positioned at the upper of the high voltage power distribution module BDU Side.
Further, the high voltage power distribution module BDU uses integrated form standardized designs, including the positive and negative anodes with battery modules Tie point, PTC positive and negative anodes output point, with the tie point of power output plug receptacle anode, with power output socket cathode and slowly Fill tie point and fast charge plug receptacle anode pole tie point, the load and electricity of plug receptacle cathode tie point and trickle charge plug receptacle anode The acquisition signal assembly connector port of source voltage acquisition point and the inside BDU each conversion and control component.
Further, the high voltage power distribution module BDU further includes upper-lower casing, and the upper-lower casing uses plastic material system At.
Further, the Insertion panel is fixed on the lower box front end and is tightly connected with the upper housing.
Further, MSD service switch is fixed together by the fixed plate of its bottom with the upper housing, convenient for described The maintenance of battery system.
Further, to front projection, lower box posterior vertical direction protrusion among the lower box front end.
Further, the lower box includes lower box ontology assembly and the double-deck module bracket, and the bilayer module bracket is set It sets at the rear portion of the lower box ontology assembly, the bottom of the lower box ontology assembly is additionally provided with battery service ports and maintenance Lid.
Further, the lower box ontology assembly includes bearing frame and provides the box-like body of sealing performance, described to hold It carries frame and box-like body is fixed together;The battery modules are fixed on the crossbeam of the bearing frame.
Further, multiple fixed points are symmetrically provided in order to the battery system and vehicle at left and right sides of the lower box The fixed installation of body.
The electrokinetic cell system of the electric car has the advantages that
(1) in the present invention, battery modules unification, modularized design, the size normalised design of battery modules, high-pressure system mentioned High space utilization rate increases energy storage capacity and reduces development cost;Front battery modules are arranged symmetrically design, rear battery The design of mould group Dual-layer, space utilization rate is high, effectively improves internal connection line beam and the copper bar general rate that is flexible coupling, harness, The general rates such as copper bar are high, nonrecurring cost reduces.
(2) in the present invention, battery lower box front end by-level direction has to front projection and posterior vertical direction protrusion Vehicle lower space is utilized in effect;High voltage power distribution module BDU, battery management system control panel, Insertion panel etc. are arranged in battery Lower box front end convex portion is not take up mould group space, and reducing series connection copper bar reduces cost, provides inside battery high pressure management System is effectively separated with battery modules, improves space utilization rate, increases mould group quantity.
(3) the entire energy-storage system PACK of the present invention is small in size, light-weight, is easily installed and safeguards.
Detailed description of the invention
Fig. 1: the outline structural diagram of the electrokinetic cell system of electric car in embodiment of the present invention;
Fig. 2: the structural schematic diagram of battery portion in embodiment of the present invention;
Fig. 3: the structural schematic diagram of embodiment of the present invention mesohigh Power entry module BDU;
Fig. 4: the structural schematic diagram of lower box in embodiment of the present invention.
Description of symbols:
1-lower box;11-lower box ontology assemblies;12-double-deck the module brackets;13-battery service ports and maintenance lid; 2-upper housings;3-MSD service switch;4-power output plug receptacles;5-fast charge plug receptacles;6-trickle charge plug receptacles;7-electricity Pond communication port;8-battery portions;81-battery modules;82-battery management system collection plate (BMU, battery Management unit);83-battery management system control panels (BCU, battery computer unit);84-high pressures are matched Electric module BDU;841-with the positive and negative anodes tie points of battery modules;842-PTC positive and negative anodes output points;843-and power output The tie point of plug receptacle anode;844-with power output plug receptacle cathode and trickle charge plug receptacle cathode tie point;845-with The tie point of trickle charge plug receptacle anode;846-with fast charge plug receptacle anode tie point;847-loads and supply voltage collection point; The acquisition signal assembly connector port of each conversion and control component inside 848-BDU;849-BDU shells;85-plug-in units Panel.
Specific embodiment
With reference to the accompanying drawing, the present invention will be further described:
Fig. 1 to Fig. 4 shows the specific embodiment of the electrokinetic cell system of electric car of the present invention.Fig. 1 is present embodiment The outline structural diagram of the electrokinetic cell system of middle electric car;Fig. 2 is the structural representation of battery portion in present embodiment Figure;Fig. 3 is the structural schematic diagram of present embodiment mesohigh Power entry module BDU;Fig. 4 is the structure of lower box in present embodiment Schematic diagram.
As shown in Figures 1 to 4, the electrokinetic cell system of the electric car in present embodiment, including lower box 1 and upper casing Body 2, and the battery portion 8 being arranged in the sealing space that lower box 1 and upper housing 2 are formed;Battery portion 8 includes several moulds The battery modules 81 of block, standardized designs, the battery modules 81 for being distributed in sealing space front are symmetrically arranged, are distributed in The battery modules 81 at sealing space rear portion are arranged in upper and lower double-layer structure;The power output plug receptacle 4 of the battery system, fast charge Plug receptacle 5, trickle charge plug receptacle 6 and 7 concentrated setting of battery communication port are on the Insertion panel 85 of battery portion 8.The work of lower box 1 With being to carry the weight of entire battery system and protected to the component of battery portion;Upper housing 2 is set using lightweight Meter, main function is the sealing performance for guaranteeing battery system together with lower box 1.In the present embodiment, battery modules 81 share 24 It is a, front symmetrical structure arrangement, rear portion double-layer structure arrangement.
As shown in Fig. 2, the battery of rear portion double-layer structure arrangement is arranged in the battery management system collection plate 82 of battery portion 8 The left and right sides of mould group 81;The high voltage power distribution module BDU84 of battery portion 8 is arranged on 1 front end one side of lower box, is not take up Mould group space, reducing series connection copper bar close to connector reduces cost;The setting of battery management system control panel 83 of battery portion 8 exists 1 front of lower box, and it is located at the top of high voltage power distribution module BDU84.
As shown in figure 3, high voltage power distribution module BDU84 uses integrated form standardized designs, including positive and negative with battery modules The tie point 843 and power output socket of pole tie point 841, PTC positive and negative anodes output point 842 and power output plug receptacle anode Tie point 845 and fast charge the plug receptacle anode of cathode and trickle charge plug receptacle cathode tie point 844 and trickle charge plug receptacle anode Pole tie point 846, load and supply voltage collection point 847(battery system LINK voltage and PACK voltage acquisition point) and BDU in Respectively convert and control the acquisition signal assembly connector port 848 of component in portion.High voltage power distribution module BDU84 further includes upper lower casing Body, upper-lower casing are made of plastic material.In the present embodiment, BDU shell 849 is made of plastic material.Each turn inside BDU The acquisition signal assembly connector port 848 for changing and controlling component passes through output, the signal of input and control signal associated. High-Voltage Electrical Appliances are concentrated in BDU box, and assembly efficiency is high, and external high pressure is flexible coupling, and length is short, do not intersect and low voltage wiring harness connects It is neat succinct.
As shown in Fig. 2, Insertion panel 85 is fixed on 1 front end of lower box and is tightly connected with upper housing 2.In the present embodiment, Power output plug receptacle 4 is used as battery DC charge port, trickle charge plug receptacle 6 as battery power output interface, fast charge plug receptacle 5 As battery AC charge port, battery communication port 7 as battery and whole vehicle communication port, concentrated setting on Insertion panel 85, And it is fixed on lower box 1 by Insertion panel 85.
As shown in Figure 1, MSD(manual service disconnect) service switch 3 by the fixed plate of its bottom with Upper housing 2 is fixed together, convenient for the maintenance to the battery system.
As shown in Figure 1 and Figure 4, to front projection, 1 posterior vertical direction of lower box protrusion, effectively benefit among 1 front end of lower box With vehicle lower space, space utilization rate is improved, increases mould group quantity.
Preferably, lower box 1 includes lower box ontology assembly 11 and the double-deck module bracket 12, and the double-deck module bracket 12 is arranged At the rear portion of lower box ontology assembly 11, the bottom of lower box ontology assembly 11 is additionally provided with battery service ports and maintenance lid 13.It is designed using battery bottom service ports, as long as trickle charge and PTC fuse, side can be replaced from battery bottom by lifting vehicle Just quick.
Preferably, lower box ontology assembly 11 includes the box-like body of bearing frame and offer sealing performance, the carrying Frame and box-like body are connected;Battery modules 81 are fixed on the crossbeam of the bearing frame, and mould group weight is transmitted from crossbeam It is transferred on vehicle by the fixed point of two sides again to lower box side bar.In the present embodiment, bearing frame and box-like body welding connect It connects.In the present embodiment, multiple fixed points are symmetrically provided at left and right sides of lower box 1 in order to the battery system and vehicle body It is fixedly mounted.
In the present embodiment, lower box is formed using the frame welding of the ontology and bearing strength that provide sealing performance, is used Material thickness is effectively thinned in the steel and the good steel classification design of ductility of high-yield strength, mitigates box weight, internal mode group Power transmitting is effectively improved in fixed set to inner frame crossbeam, improves the whole packet intensity of battery system.
In the present invention, battery modules unification, modularized design, the size normalised design of battery modules, high-pressure system mentioned High space utilization rate increases energy storage capacity and reduces development cost;Front battery modules are arranged symmetrically design, rear battery The design of mould group Dual-layer, space utilization rate is high, effectively improves internal connection line beam and the copper bar general rate that is flexible coupling, harness, The general rates such as copper bar are high, nonrecurring cost reduces.
In the present invention, battery lower box front end by-level direction is to front projection and posterior vertical direction protrusion, effectively Vehicle lower space is utilized;High voltage power distribution module BDU, battery management system control panel, Insertion panel etc. are arranged under battery Cabinet front end convex portion is not take up mould group space, and reducing series connection copper bar reduces cost, provides inside battery high pressure management system System is effectively separated with battery modules, improves space utilization rate, increases mould group quantity.
The entire energy-storage system PACK of the present invention is small in size, light-weight, is easily installed and safeguards.
Above in conjunction with attached drawing, an exemplary description of the invention, it is clear that realization of the invention is not by aforesaid way Limitation, as long as use the inventive concept and technical scheme of the present invention carry out various improvement, or it is not improved will be of the invention Conception and technical scheme directly apply to other occasions, be within the scope of the invention.

Claims (10)

1. a kind of electrokinetic cell system of electric car, which is characterized in that including lower box and upper housing, and be arranged described The battery portion in sealing space that lower box and the upper housing are formed;The battery portion includes several modularizations, standard Change the battery modules of design, the battery modules for being distributed in the sealing space front are symmetrically arranged, and are distributed in the sealing The battery modules of spatial rear are arranged in upper and lower double-layer structure;The power output plug receptacle of the battery system, fast charge plug receptacle, Trickle charge plug receptacle and battery communication port concentrated setting are on the Insertion panel of the battery portion.
2. the electrokinetic cell system of electric car according to claim 1, which is characterized in that the battery of the battery portion The left and right sides of the battery modules of rear portion double-layer structure arrangement is arranged in management system collection plate;The high pressure of the battery portion is matched Electric module BDU is arranged on the one side of the lower box front end;The battery management system control panel setting of the battery portion exists The lower box front, and it is located at the top of the high voltage power distribution module BDU.
3. the electrokinetic cell system of electric car according to claim 2, which is characterized in that the high voltage power distribution module BDU uses integrated form standardized designs, including the positive and negative anodes tie point, PTC positive and negative anodes output point, defeated with power with battery modules The tie point of plug receptacle anode and power output socket cathode and trickle charge plug receptacle cathode tie point and trickle charge plug receptacle out Each conversion in the tie point of anode and fast charge plug receptacle anode pole tie point, load and supply voltage collection point and the inside BDU and control The acquisition signal assembly connector port of component processed.
4. the electrokinetic cell system of electric car according to claim 2 or 3, which is characterized in that the high voltage power distribution mould Block BDU further includes upper-lower casing, and the upper-lower casing is made of plastic material.
5. the electrokinetic cell system of electric car according to claim 1,2 or 3, which is characterized in that the Insertion panel It is fixed on the lower box front end and is tightly connected with the upper housing.
6. the electrokinetic cell system of electric car according to claim 1,2 or 3, which is characterized in that MSD service switch is logical The fixed plate and the upper housing for crossing its bottom are fixed together, convenient for the maintenance to the battery system.
7. the electrokinetic cell system of electric car according to any one of claims 1 to 6, which is characterized in that the lower box To front projection, lower box posterior vertical direction protrusion among front end.
8. the electrokinetic cell system of electric car according to any one of claims 1 to 7, which is characterized in that the lower box Including lower box ontology assembly and the double-deck module bracket, after the lower box ontology assembly is arranged in the bilayer module bracket Portion, the bottom of the lower box ontology assembly are additionally provided with battery service ports and maintenance lid.
9. the electrokinetic cell system of electric car according to claim 8, which is characterized in that the lower box ontology assembly Including bearing frame and the box-like body of sealing performance is provided, the bearing frame and box-like body are fixed together;The electricity Chi Mo group is fixed on the crossbeam of the bearing frame.
10. the electrokinetic cell system of electric car according to any one of claims 1 to 9, which is characterized in that the lower box The left and right sides is symmetrically provided with multiple fixed points in order to the fixed installation of the battery system and vehicle body.
CN201811488837.XA 2018-12-06 2018-12-06 A kind of electrokinetic cell system of electric car Pending CN109786596A (en)

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Application Number Priority Date Filing Date Title
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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110277523A (en) * 2019-06-25 2019-09-24 奇瑞汽车股份有限公司 Electric automobile power battery system
CN112259854A (en) * 2020-09-27 2021-01-22 中国第一汽车股份有限公司 Power battery assembly and automobile
CN113690522A (en) * 2021-08-04 2021-11-23 大运汽车股份有限公司 Disconnect-type battery package system
CN113782904A (en) * 2020-05-22 2021-12-10 比亚迪股份有限公司 Battery pack and electric vehicle
WO2021253976A1 (en) * 2020-06-19 2021-12-23 比亚迪股份有限公司 Vehicle and battery pack thereof

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CN113782904A (en) * 2020-05-22 2021-12-10 比亚迪股份有限公司 Battery pack and electric vehicle
WO2021253976A1 (en) * 2020-06-19 2021-12-23 比亚迪股份有限公司 Vehicle and battery pack thereof
CN113889708A (en) * 2020-06-19 2022-01-04 比亚迪股份有限公司 Vehicle and battery pack thereof
CN113889708B (en) * 2020-06-19 2022-11-11 比亚迪股份有限公司 Vehicle and battery pack thereof
CN112259854A (en) * 2020-09-27 2021-01-22 中国第一汽车股份有限公司 Power battery assembly and automobile
CN113690522A (en) * 2021-08-04 2021-11-23 大运汽车股份有限公司 Disconnect-type battery package system

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Application publication date: 20190521