CN208530307U - A kind of battery special for electric automobiles group high-voltage cage and the interior battery case equipped with high-voltage cage - Google Patents
A kind of battery special for electric automobiles group high-voltage cage and the interior battery case equipped with high-voltage cage Download PDFInfo
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- CN208530307U CN208530307U CN201820764163.0U CN201820764163U CN208530307U CN 208530307 U CN208530307 U CN 208530307U CN 201820764163 U CN201820764163 U CN 201820764163U CN 208530307 U CN208530307 U CN 208530307U
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- relay
- charge
- voltage cage
- battery
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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
Abstract
The utility model discloses a kind of battery special for electric automobiles group high-voltage cage and the interior battery case equipped with high-voltage cage, fastening group shelling internal box above and below the upper shell cover and lower cover of high-voltage cage, the shell internal box are equipped with fast charge relay, trickle charge relay, pre-charge-relay, total negative relay and total positive relay；The fast charge relay, trickle charge relay, pre-charge-relay, total positive relay are simultaneously connected to circuit.The high-voltage cage of the application has fast charge, trickle charge and discharging function, the information such as relay viscous glutinous state, electric current, stagnation pressure can be sent to BMS and carry out signal processing by low pressure connector, structure is simple, and can save the inner space of Battery case, can fully meet the distribution requirement of power battery electric energy.
Description
Technical field
The utility model relates to components for electric vehicle, and in particular to a kind of battery special for electric automobiles group high-voltage cage and interior
Battery case equipped with high-voltage cage.
Background technique
Core component one of of the power battery as electric car is the energy maincenter of electric car, and high-voltage cage conduct
The energy allocation unit of power battery, plays a part of can not be substituted to vehicle.
Connection is mostly attached by harness inside traditional high-voltage cage, although harness is easy to connect, because
More than one is connected for high-voltage cage inside harness, will result in that harness is mixed and disorderly in this way, simultaneously because harness has very big resistance value,
Electric energy causes biggish electric energy loss when transmitting, and has very big electric current to pass through inside high-voltage cage, is unfavorable for dissipating for high-voltage cage
Heat.
Existing high-voltage cage is gradually applied in terms of battery management system, and high-voltage cage in the prior art is arranged in electricity
The outside of pond group, referred to as battery pack external high pressure box.The main function of battery pack external high pressure box is the total of connection power battery
Positive terminals and total negative terminals, the distribution of power battery energy is realized by high-voltage cage.Its shortcoming is that: the volume of high-voltage cage
It is larger, it needs individually to distribute corresponding rigging position on vehicle, occupies the limited space of vehicle, high-voltage cage is located at power battery
Outside, need longer high-pressure connection line and low voltage control line to connect with power battery, such connection type is unfavorable for harness
Connection and protection, to influence the security reliability of entire vehicle electrical system.
Utility model content
In view of the above technical problems, it the utility model proposes a kind of battery special for electric automobiles group high-voltage cage and interior is equipped with
The battery case of high-voltage cage, the high-voltage cage are arranged inside Battery case, can reduce the copper bar length of high-voltage cage connection battery pack, use
Copper bar replaces harness to realize the circuit communication between each circuit devcie, it is possible to increase inflow-rate of water turbine and heat-conducting area, and it is conducive to heat dissipation.
Its technical solution is as follows: a kind of battery special for electric automobiles group high-voltage cage, including upper shell cover and lower cover；On described
Fastening group shelling internal box above and below cap and lower cover, the shell internal box are equipped with fast charge relay, trickle charge relay, precharge
Relay, total negative relay and total positive relay；Confluence is passed through by total positive relay that busbar connector 1 is connect with anode
Row 4 connect with electric discharge anode；Trickle charge relay one end is connect by conducting wire with anode, the other end and trickle charge connector
One end connection；The trickle charge connector other end is connect by conducting wire with total negative relay；Total negative relay passes through confluence
Row 2 connect with battery cathode, is connect by busbar connector 5 with electric discharge cathode；After the pre-charge-relay is connected with preliminary filling resistance,
Both ends are connect with anode, electric discharge anode respectively；Fast charge relay one end is connect by copper bar with anode, another
End is connect by busbar connector 3 with fast charge anode.In advance rush resistance 12 be mounted on it is pre- rush by relay 3, be used for upper high pressure electric process, drop
It is low it is pre- rush loop current, the devices such as protection electric machine controller, main relay will not because of moment high current and damage.
Further, total negative relay and total positive relay are set to the right side of shell internal box；The fast charge relay,
Trickle charge relay, pre-charge-relay are set to the left side of shell internal box.High-low pressure or so separation prevents signal interference.
Further, it is additionally provided with Hall sensor in the shell internal box, the Hall sensor is sheathed on busbar2
On, it is used for acquisition circuit current signal.
Further, low pressure connector is additionally provided in the shell internal box；The external BMS of low pressure connector.
A kind of interior battery case equipped with high-voltage cage of battery special for electric automobiles group high-voltage cage.
The invention has the beneficial effects that: high-voltage cage is arranged inside Battery case, can reduce high-voltage cage connection battery pack
Copper bar length, replace harness with copper bar to realize the circuit communication between each circuit devcie, it is possible to increase inflow-rate of water turbine and heat-conducting area,
And it is conducive to heat dissipation.High-voltage cage of the present invention is integrated with battery management system, saves Battery case inner space.Structure is simple, but
The distribution requirement of power battery electric energy is fully met, there is fast charge, trickle charge and discharging function, low pressure connector can be by relay
The information such as device viscous glutinous state, electric current, stagnation pressure, which are sent to BMS, carries out signal processing.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model battery special for electric automobiles group high-voltage cage；
Fig. 2 is the disassemblying structure schematic diagram of battery special for electric automobiles group high-voltage cage；
Fig. 3 is the electrical schematic diagram of the battery special for electric automobiles group high-voltage cage of the utility model；
Fig. 4 is the structural schematic diagram of the battery case with battery special for electric automobiles group high-voltage cage.
1- fast charge relay；2- trickle charge relay；3- pre-charge-relay；4- low pressure connector；5- busbar connector 1；On 6-
Cap；The total positive relay of 7-；8- Hall sensor；The total negative relay of 9-；10- trickle charge connector；11- busbar connector 2；12- is rushed in advance
Resistance；13- busbar connector 3；14- busbar connector 4；15- busbar connector 5；16- lower cover；17- high-voltage cage；18- Battery case.
Specific embodiment
The utility model is described further with reference to the accompanying drawings and examples.
As shown in Figs 1-4, a kind of battery special for electric automobiles group high-voltage cage, including upper shell cover 6 and lower cover 16；It is described
Upper shell cover 6 and about 16 fastening group shelling internal box of lower cover, the shell internal box are equipped with fast charge relay 1, trickle charge relay
2, pre-charge-relay 3, total negative relay 9 and total positive relay 7；With anode by busbar connector 15 connect always just after
Electric appliance is connect by busbar connector 4 14 with electric discharge anode；Described 2 one end of trickle charge relay is connect by conducting wire with anode, separately
One end is connect with 10 one end of trickle charge connector；10 other end of trickle charge connector is connect by conducting wire with total negative relay 9；Institute
It states total negative relay 9 to connect by busbar connector 2 11 with battery cathode, be connect by busbar connector 5 15 with electric discharge cathode；It is described pre-
It fills after relay 3 connects with preliminary filling resistance 12, both ends are connect with anode, electric discharge anode respectively；The fast charge relay 1 one
End is connect by copper bar with anode, and the other end is connect by busbar connector 3 13 with fast charge anode.
Total negative relay 9 is set to the right side of shell internal box with total positive relay 7；The fast charge relay 1, trickle charge
Relay 2, pre-charge-relay 3 are set to the left side of shell internal box.
Hall sensor 8 is additionally provided in the shell internal box, the Hall sensor 8 is sheathed on busbar connector 2 11.
Low pressure connector 4 is additionally provided in the shell internal box；The external BMS of the low pressure connector 4.Low pressure connector 4 belongs to
It is unrelated with cabling of major loop in secondary cabling.
A kind of interior battery case equipped with high-voltage cage of battery special for electric automobiles group high-voltage cage.
The principles of the present invention are: the battery special for electric automobiles group high-voltage cage of the application include total positive relay 7,
Total negative relay 9, fast charge relay 1, pre-charge-relay 3, low pressure connector 4, Hall sensor 8, converges at trickle charge relay 2
Stream row rushes resistance 12 in advance.
Total positive relay 7, total negative relay 9, trickle charge relay 2, fast charge relay 1, pre-charge-relay 3, low pressure connect
Plug-in unit 4, rushes resistance 12 and is mounted on high-voltage cage lower cover 16 trickle charge connector 10 in advance, total positive relay 7, total negative relay 9
It is centrally placed on the right side of high-voltage cage, facilitates the extraction and introduction of high pressure copper bar.Total positive relay 7 is for controlling discharge loop power supply
On-off, total negative relay 9 are mounted in major loop as second class protection switch.Pre-charge-relay 3, fast charge relay 1, trickle charge
Relay 2 is put together on the left of high-voltage cage, and low voltage wiring harness is facilitated to connect and lead to low pressure connector 4, pre-charge-relay 3
For controlling preliminary filling circuit, fast charge relay 1 is used for quickly charging battery, and trickle charge relay 2 is used to slowly charge to battery,
In addition, high-low pressure or so separation prevents signal interference.Hall sensor 8 is mounted on busbar connector 2 11, for acquisition circuit electricity
Flow signal.Low pressure connector 4, trickle charge connector 10 are mounted on lower cover using snap, are respectively used to high-voltage cage 17
Interior low-voltage signal leads to BMS and to power battery charging battery.Resistance 12 is rushed in advance to be mounted on by pre-charge-relay 3, for
High pressure electric process reduces and rushes loop current in advance, and the devices such as protection electric machine controller, main relay will not be because of the high current of moment
And it damages.
Battery positive pole passes through busbar connector 15 respectively and connect with total positive relay 7, is connected to fast charge relay by copper bar
1, and trickle charge relay 2 and pre-charge-relay 3 are connected to by polyvinyl chloride insulation single flexible circuit conductor respectively.Total positive relay
7 are connect by busbar connector 4 14 with electric discharge positive terminal, and 3 other end of pre-charge-relay rushes 12 one end of resistance company by conducting wire and in advance
It connecing, rushes 12 other end of resistance in advance and be connected to electric discharge positive terminal, 2 other end of trickle charge relay is then connected to trickle charge connector 10,
1 other end of fast charge relay is connected to fast charge positive terminal by busbar connector 3 13.
Battery negative column is connected to total negative relay 9 by busbar connector 2 11, and total negative 9 other end of relay passes through busbar connector
5 15 are connected to electric discharge negative terminal；And a conducting wire is connected to trickle charge connector 10 by total negative 9 other end of relay.
Embodiment described above is only that preferred embodiments of the present invention are described, not practical to this
Novel range is defined, and under the premise of not departing from the spirit of the design of the utility model, those of ordinary skill in the art are to this
The various changes and improvements that the technical solution of utility model is made should all fall into the protection that the utility model claims book determines
In range.
Claims (5)
1. a kind of battery special for electric automobiles group high-voltage cage, including upper shell cover and lower cover；Above and below the upper shell cover and lower cover
Fastening group shelling internal box, it is characterised in that: the shell internal box is equipped with fast charge relay, trickle charge relay, precharge relay
Device, total negative relay and total positive relay；The total positive relay being connect with anode by busbar connector 1 by busbar connector 4 with
Electric discharge anode connection；Trickle charge relay one end is connect by conducting wire with anode, the other end and trickle charge connector one end
Connection；The trickle charge connector other end is connect by conducting wire with total negative relay；Total negative relay by busbar connector 2 with
Battery cathode connection is connect by busbar connector 5 with electric discharge cathode；After the pre-charge-relay is connected with preliminary filling resistance, both ends
It is connect respectively with anode, electric discharge anode；Fast charge relay one end is connect by copper bar with anode, and the other end is logical
Busbar connector 3 is crossed to connect with fast charge anode.
2. battery special for electric automobiles group high-voltage cage according to claim 1, it is characterised in that: total negative relay with
Total positive relay is set to the right side of shell internal box；The fast charge relay, trickle charge relay, pre-charge-relay are set to case in shell
The left side of body.
3. battery special for electric automobiles group high-voltage cage according to claim 1, it is characterised in that: in the shell internal box also
Equipped with Hall sensor, the Hall sensor is sheathed on busbar connector 2.
4. battery special for electric automobiles group high-voltage cage according to claim 1, it is characterised in that: in the shell internal box also
Equipped with low pressure connector；The external BMS of low pressure connector.
5. a kind of battery case includes battery special for electric automobiles group high-voltage cage according to any one of claims 1-4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820764163.0U CN208530307U (en) | 2018-05-22 | 2018-05-22 | A kind of battery special for electric automobiles group high-voltage cage and the interior battery case equipped with high-voltage cage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820764163.0U CN208530307U (en) | 2018-05-22 | 2018-05-22 | A kind of battery special for electric automobiles group high-voltage cage and the interior battery case equipped with high-voltage cage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208530307U true CN208530307U (en) | 2019-02-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820764163.0U Active CN208530307U (en) | 2018-05-22 | 2018-05-22 | A kind of battery special for electric automobiles group high-voltage cage and the interior battery case equipped with high-voltage cage |
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| CN (1) | CN208530307U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116620114A (en) * | 2023-07-21 | 2023-08-22 | 宁德时代新能源科技股份有限公司 | High-voltage box, battery pack, electric control system and electricity utilization device |
-
2018
- 2018-05-22 CN CN201820764163.0U patent/CN208530307U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116620114A (en) * | 2023-07-21 | 2023-08-22 | 宁德时代新能源科技股份有限公司 | High-voltage box, battery pack, electric control system and electricity utilization device |
| CN116620114B (en) * | 2023-07-21 | 2024-01-02 | 宁德时代新能源科技股份有限公司 | High-voltage box, battery pack, electric control system and electricity utilization device |
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