CN205417224U - Modularization intelligence high voltage distributor box - Google Patents
Modularization intelligence high voltage distributor box Download PDFInfo
- Publication number
- CN205417224U CN205417224U CN201620176318.XU CN201620176318U CN205417224U CN 205417224 U CN205417224 U CN 205417224U CN 201620176318 U CN201620176318 U CN 201620176318U CN 205417224 U CN205417224 U CN 205417224U
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- China
- Prior art keywords
- module
- voltage
- distribution box
- pressure
- relay
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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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Abstract
The utility model discloses a modularization intelligence high voltage distributor box, including the box, set up the high pressure module including 300A module, 150A module, 50A module, 20A module and preliminary filling module in the box, still be equipped with the host system who is used for the low -pressure control in the box, each high pressure module is equipped with battery high pressure acquisition circuit, adopts precision resistor partial pressure mode to it handles for host system to convert the high -low level to through optical coupling isolation, female electric current collection adoption hall current sensor of arranging is gathered and is handled for host system, host system passes through CAN bus and outside singlechip communication. This modularization intelligence high voltage distribution cabinet has following advantage: outside erroneous operation is avoided to the inside relay of self -actuated control, can carry out the state monitoring to each device, can keep watch on the screw loose problem, and the feedback, carry out fire -retardant design to high voltage distribution cabinet, all signals are all communicated by letter through the CAN bus, and as long as the low pressure pencil is power cord and CAN line.
Description
Technical field
This utility model relates to new-energy automobile field, specifically refers to a kind of modularization intelligent high-tension distribution box.
Background technology
Pure electric automobile is with on-vehicle battery as power, and high-tension electricity needs to distribute to each electrical equipment on car, and high-tension distribution box is the important component part of pure electric automobile.Current high-tension distribution box there is problems in that
1, the relay within distribution box relies on outside ECU to be controlled, it is impossible to ensure correct control.
2, the state of the device such as relay and fuse cannot be monitored in real time.When device goes wrong, the long period is needed to investigate fault.
3, internal high-low pressure wire harness is more, and irregular distribution, and inside is more in disorder, and cannot realize high-low pressure separation.
4, the connection status of copper bar cannot be monitored, when bolt looseness occurs, it is impossible to and alarm.
5, after high-voltaghe compartment is on fire, there is no fire-extinguishing function concurrently.
Utility model content
The purpose of this utility model is to provide a kind of modularization intelligent high-tension distribution box, by each branch road is carried out modularity, makes high-tension line clear, during device failure, only need to change corresponding module, shorten the repair and maintenance time.
The technical solution of the utility model is:
A kind of modularization intelligent high-tension distribution box, including casing, high-pressure modular including 300A module, 150A module, 50A module, 20A module and preliminary filling module is set in casing, described 300A module, 150A module, 50A module and 20A module include relay, fuse and battery high-voltage acquisition circuit, and preliminary filling module includes relay and preliminary filling resistance；Being additionally provided with the main control module for low voltage control in casing, each high-pressure modular connects power supply by busbar；300A module is mainly used in motor, and 150A module is mainly used in filling soon, and 50A module is mainly used in trickle charge, and 20A is mainly used in DC/DC, DC/AC, PTC and air-conditioning, and preliminary filling module is mainly used in super-high-current relay protection；Each high-pressure modular is provided with battery high-voltage acquisition circuit, uses precision resistance dividing potential drop mode, and is converted into low and high level to main control module process by light-coupled isolation；Busbar current acquisition uses Hall current sensor to be acquired and processes to main control module；Main control module is by CAN and external microcontroller communication.
Described battery high-voltage acquisition circuit uses series connection precision resistance, carry out electric resistance partial pressure, in high-pressurized contents, separate 5V voltage and carry out high-pressure section and low-pressure section isolation by linear optical coupling, it is transferred to Chip Microcomputer A/D input port through follower and filter circuit again and carries out voltage signal acquisition, real-time monitoring modular intelligent high-pressure distribution box input terminal voltage change, when the voltage signal gathered is less than setting value, single-chip microcomputer will make battery management system be controlled total relay or other related devices by CAN to battery management system communication.
Temperature sensor in circuit is critesistor; for preventing loosened screw from causing the accident; copper bar screw junction in the circuit of distribution box of the present utility model arranges temperature sensor; when temperature reaches the temperature value set; single-chip microcomputer will be reported to the police; and signal is passed to BMS (battery management system), battery management system will disconnect main relay port, protect modularization intelligent high-tension distribution box.
It is above various function singleness operation principle, when normal entrucking, the battery input voltage of high-voltage acquisition circuit acquisition module intelligent high-pressure distribution box and relay and the voltage condition at fuse two ends；Temperature sensor gathers the temperature conditions of each key point；Hall current sensor gathers the size of current on busbar；Above-mentioned signal is acquired by main control module single-chip microcomputer, processes and is then communicated with the single-chip microcomputer outside modularization intelligent high-tension distribution box by CAN line, makes external microcontroller electrically be controlled car load according to control strategy.
Modularization intelligent high voltage power distributing cabinet of the present utility model has the advantage that
1, high voltage power distributing cabinet controls the relay of inside voluntarily, it is to avoid external control unit outside carries out faulty operation to high voltage power distributing cabinet.
2, each device can be carried out status monitoring.
3, loosened screw problem can be monitored, and feed back.
4, high voltage power distributing cabinet is carried out Principle And Method of Flame Retardation Design.
5, all signals are all communicated by CAN, if low voltage wiring harness power line and CAN line.
Accompanying drawing explanation
Fig. 1 is modularization intelligent high-tension distribution box overall structure schematic diagram of the present utility model.
Fig. 2 is the structural representation of 300A module in modularization intelligent high-tension distribution box of the present utility model.
Fig. 3 is the structural representation of 150A module in modularization intelligent high-tension distribution box of the present utility model.
Fig. 4 is the structural representation of 50A module in modularization intelligent high-tension distribution box of the present utility model.
Fig. 5 is the structural representation of 20A module in modularization intelligent high-tension distribution box of the present utility model.
Fig. 6 is the structural representation of preliminary filling module in modularization intelligent high-tension distribution box of the present utility model.
Detailed description of the invention
Provide this utility model preferred embodiment below in conjunction with the accompanying drawings, to describe the technical solution of the utility model in detail.
Embodiment:
As shown in figures 1 to 6, modularization intelligent high-tension distribution box of the present utility model, including casing 7, high-pressure modular including 300A module 1,150A module 2,50A module 3,20A module 4 and preliminary filling module 5 is set in casing, being additionally provided with the main control module 6 for low voltage control in casing, each high-pressure modular connects power supply by busbar；
300A module is mainly used in motor, and 150A module is mainly used in filling soon, and 50A module is mainly used in trickle charge, and 20A is mainly used in DC/DC, DC/AC, PTC and air-conditioning, and preliminary filling module is mainly used in super-high-current relay protection；
null300A module、150A module、50A module and 20A module include relay 101、201、301 and 401，Fuse 102、202、302、402 and battery high-voltage acquisition circuit，By being incorporated to a string resistance between high pressure，Voltage is carried out dividing potential drop，Gather the magnitude of voltage within 0～5V，Each module voltage signal is twinkling signal，Lasting strong high pressure can not be born on resistance，By Single-chip Controlling，The actuating of relay，Collect signal just to disconnect，In order to high-low voltage is isolated，Optocoupler TLP521-1 is used to carry out voltage isolation，And it is converted into the On-off signal I/O mouth to single-chip microcomputer,Carry out level collection，Under relay closure state，If collecting high level，It is then relay or fuse damage，If low level，Then circuit is normal.
Preliminary filling module includes relay 501 and preliminary filling resistance 502, is mainly used in super-high-current relay protection.Owing to there is capacitive load, when equivalent capacity is connected in parallel on both ends of power when, power on moment, the voltage at electric capacity two ends will not suddenly change, and the electric current at electric capacity two ends can suddenly change, and is just switched on power supply moment, and capacitor two ends are equivalent to short circuit.
Loosened screw monitoring application principle is: connects copper bar loosened screw and makes to produce between two copper bars interval, is equivalent to the resistance between two copper bars and strengthens, according to P=I2R understands, and the heating power between copper bar increases a lot, and the heat produced within the identical time also increases very big, makes copper bar temperature rise to the fusing point of copper bar and melt.Critesistor is the sensor component that a kind of resistance changes along with temperature linearity, can obtain the relation between voltage and temperature by this characteristic of critesistor.When temperature reaches the temperature value set, single-chip microcomputer will be reported to the police, and signal passes to BMS (battery management system), and battery management system will disconnect main relay port, protect modularization intelligent high-tension distribution box.
Compared with conventional high-tension power distribution cabinet, modularization intelligent high voltage power distributing cabinet has the advantages that:
1, conventional high-tension power distribution cabinet has been incorporated into external control unit outside control module, makes conventional high-tension power distribution cabinet must be combined using with external control unit outside；And this utility model is Control, high-voltage signal collection, current signal collection etc. combines, and becomes independent entirety.Modularization intelligent high voltage power distributing cabinet is had only to be communicated by CAN and entire car controller and can complete to control, it is to avoid different suppliers carry out erroneous control operations to it, burn device.
2, relay can only be controlled by conventional high-tension power distribution cabinet, and modularization intelligent high voltage power distributing cabinet can monitor fuse in real time, the instantaneous operating conditions of relay.Produced problem in running (as relay bonds, fuse burns) is carried out Real-time Feedback.
3, owing to conventional high-tension power distribution cabinet existing oxygen, when naked light fault occurs, can be device in cabinet, wire harness burns, and after modularization intelligent high voltage power distributing cabinet detects the high temperature higher than 150 degree or naked light, extinguishing device within high-voltage board can spray gas automatically, reduce the oxygen content within high-voltage board, play the purpose of fire extinguishing, when making relay that arcing to occur, do not have spark, cause fire.
In conventional high-tension cabinet, along with the increase of relay, low voltage wiring harness also can increase, and makes wire harness complicated, and this utility model is by introducing intelligent object, makes wire harness length shorten as far as possible, and the quantity of line reduces as far as possible.Introduce CAN, make the low-voltage line being connected with the external world only have 5.
5, conventional high-tension power distribution cabinet high-voltage line, copper bar cabling is chaotic, it is difficult to wiring, and unsightly, each branch (motor circuit, DC/DC, air conditioner loop, front and back defrosting etc.) is carried out modularized design by this utility model, selecting disparate modules to be designed for different application customer requirement, inlet wire and outlet are separately, it is to avoid line intersects.
Of the present utility model ultimate principle, principal character and of the present utility model advantage have more than been shown and described.Skilled person will appreciate that of the industry; this utility model is not restricted to the described embodiments; described in above-described embodiment and description, principle of the present utility model is simply described; on the premise of without departing from this utility model spirit and scope, this utility model also has various changes and modifications, in the range of these changes and improvements both fall within claimed this utility model.
Claims (3)
1. modularization intelligent high-tension distribution box, it is characterized in that, including casing, high-pressure modular including 300A module, 150A module, 50A module, 20A module and preliminary filling module is set in casing, described 300A module, 150A module, 50A module and 20A module include relay, fuse and battery high-voltage acquisition circuit, and preliminary filling module includes relay and preliminary filling resistance；Being additionally provided with the main control module for low voltage control in casing, each high-pressure modular connects power supply by busbar；300A module is mainly used in motor, and 150A module is mainly used in filling soon, and 50A module is mainly used in trickle charge, and 20A is mainly used in DC/DC, DC/AC, PTC and air-conditioning, and preliminary filling module is mainly used in super-high-current relay protection；Each high-pressure modular is provided with battery high-voltage acquisition circuit, uses precision resistance dividing potential drop mode, and is converted into low and high level to main control module process by light-coupled isolation；Busbar current acquisition uses Hall current sensor to be acquired and processes to main control module；Main control module is by CAN and external microcontroller communication.
Modularization intelligent high-tension distribution box the most according to claim 1, it is characterized in that, described battery high-voltage acquisition circuit uses series connection precision resistance, carry out electric resistance partial pressure, in high-pressurized contents, separate 5V voltage and carry out high-pressure section and low-pressure section isolation by linear optical coupling, it is transferred to Chip Microcomputer A/D input port through follower and filter circuit again and carries out voltage signal acquisition, real-time monitoring modular intelligent high-pressure distribution box input terminal voltage change, when the voltage signal gathered is less than setting value, single-chip microcomputer will be by CAN to battery management system communication, make battery management system that total relay or other related devices to be controlled.
Modularization intelligent high-tension distribution box the most according to claim 1; it is characterized in that; copper bar screw junction in the circuit of described distribution box arranges temperature sensor; when temperature reaches the temperature value set; main control module single-chip microcomputer will be reported to the police; and signal is passed to battery management system, battery management system will disconnect main relay port, protect modularization intelligent high-tension distribution box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620176318.XU CN205417224U (en) | 2016-03-08 | 2016-03-08 | Modularization intelligence high voltage distributor box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620176318.XU CN205417224U (en) | 2016-03-08 | 2016-03-08 | Modularization intelligence high voltage distributor box |
Publications (1)
| Publication Number | Publication Date |
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| CN205417224U true CN205417224U (en) | 2016-08-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620176318.XU Withdrawn - After Issue CN205417224U (en) | 2016-03-08 | 2016-03-08 | Modularization intelligence high voltage distributor box |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105667336A (en) * | 2016-03-08 | 2016-06-15 | 上海埃而生电气有限公司 | Modularized intelligent high-voltage distribution box |
| CN106183868A (en) * | 2016-08-12 | 2016-12-07 | 四川永贵科技有限公司 | Electric automobile high-voltage power distribution panel |
| CN107340439A (en) * | 2017-05-18 | 2017-11-10 | 扬子江汽车集团有限公司 | A kind of off-grid detection means of trolleybus |
-
2016
- 2016-03-08 CN CN201620176318.XU patent/CN205417224U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105667336A (en) * | 2016-03-08 | 2016-06-15 | 上海埃而生电气有限公司 | Modularized intelligent high-voltage distribution box |
| CN106183868A (en) * | 2016-08-12 | 2016-12-07 | 四川永贵科技有限公司 | Electric automobile high-voltage power distribution panel |
| CN106183868B (en) * | 2016-08-12 | 2018-06-19 | 四川永贵科技有限公司 | Electric automobile high-voltage power distribution panel |
| CN107340439A (en) * | 2017-05-18 | 2017-11-10 | 扬子江汽车集团有限公司 | A kind of off-grid detection means of trolleybus |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160803 Effective date of abandoning: 20171124 |