CN109786596A - A kind of electrokinetic cell system of electric car - Google Patents
A kind of electrokinetic cell system of electric car Download PDFInfo
- 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
- Authority
- 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.)
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Classifications
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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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/16—Information 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
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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811488837.XA CN109786596A (en) | 2018-12-06 | 2018-12-06 | A kind of electrokinetic cell system of electric car |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811488837.XA CN109786596A (en) | 2018-12-06 | 2018-12-06 | A kind of electrokinetic cell system of electric car |
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| Publication Number | Publication Date |
|---|---|
| CN109786596A true CN109786596A (en) | 2019-05-21 |
Family
ID=66496896
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811488837.XA Pending CN109786596A (en) | 2018-12-06 | 2018-12-06 | A kind of electrokinetic cell system of electric car |
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Cited By (5)
| 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 |
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Address after: 241003 no.226, South Huajin Road, high tech Industrial Development Zone, Wuhu City, Anhui Province Applicant after: Chery New Energy Automobile Co.,Ltd. Address before: 241003 Huajing South Road, Yijiang District, Wuhu, Anhui 226 Applicant before: CHERY NEW ENERGY AUTOMOBILE TECHNOLOGY Co.,Ltd. |
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Application publication date: 20190521 |