CN105667336B - Modularization intelligent high-tension distribution box - Google Patents
Modularization intelligent high-tension distribution box Download PDFInfo
- Publication number
- CN105667336B CN105667336B CN201610130689.9A CN201610130689A CN105667336B CN 105667336 B CN105667336 B CN 105667336B CN 201610130689 A CN201610130689 A CN 201610130689A CN 105667336 B CN105667336 B CN 105667336B
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- China
- Prior art keywords
- modules
- distribution box
- main control
- voltage
- control module
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L50/00—Electric propulsion with power supplied within the vehicle
- B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
- B60R16/023—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for transmission of signals between vehicle parts or subsystems
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/46—Boxes; Parts thereof or accessories therefor
-
- 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 invention discloses a kind of modularization intelligent high-tension distribution box, including casing, the high-pressure modular including 300A modules, 150A modules, 50A modules, 20A modules and preliminary filling module is set in casing；The main control module for low voltage control is additionally provided with casing, each high-pressure modular is provided with battery high-voltage acquisition circuit, using precision resistance partial pressure mode, and is converted into low and high level by light-coupled isolation and gives main control module processing；Busbar current acquisition is acquired using Hall current sensor and gives main control module processing；Main control module is communicated by CAN with external microcontroller.The modularization intelligent high voltage power distributing cabinet of the present invention has advantages below：Internal relay is voluntarily controlled, avoids external error from operating；Status monitoring can be carried out to each device；Loosened screw problem can be monitored, and fed back；Principle And Method of Flame Retardation Design is carried out to high voltage power distributing cabinet；All signals are all communicated by CAN, as long as low voltage wiring harness power line and CAN lines.
Description
Technical field
The present invention relates to new-energy automobile field, in particular to a kind of modularization intelligent high-tension distribution box.
Background technology
For pure electric automobile using on-vehicle battery as power, high-tension electricity needs to distribute to each electrical equipment, high-tension distribution box on car
For the important component of pure electric automobile.Problems be present in current high-tension distribution box：
1st, the relay inside distribution box relies on outside ECU to be controlled, and can not ensure correctly to control.
2nd, the state of the devices such as relay and fuse can not be monitored in real time.It is when device goes wrong, it is necessary to longer
Time investigates failure.
3rd, internal high-low pressure wire harness is more, and irregular distribution, internal more in disorder, and can not realize that high-low pressure separates.
4th, the connection status of copper bar can not be monitored, when there is bolt looseness, can not and alarm.
5th, after high-voltaghe compartment is on fire, without fire-extinguishing function concurrently.
The content of the invention
It is an object of the invention to provide a kind of modularization intelligent high-tension distribution box, by the way that each branch road is carried out modularization,
Make high-tension line clear, during device failure, need to only change corresponding module, shorten the maintenance time.
The technical scheme is that：
A kind of modularization intelligent high-tension distribution box, including casing, interior set of casing include 300A modules, 150A modules, 50A
High-pressure modular including module, 20A modules and preliminary filling module, the 300A modules, 150A modules, 50A modules and 20A module bags
Relay, fuse and battery high-voltage acquisition circuit are included, preliminary filling module includes relay and preliminary filling resistance；Use is additionally provided with casing
In the main control module of low voltage control, each high-pressure modular connects power supply by busbar；300A modules are mainly used in motor, 150A modules
It is mainly used in fast charge, 50A modules are mainly used in trickle charge, and 20A is mainly used in DC/DC, DC/AC, PTC and air-conditioning, preliminary filling module master
It is used for super-high-current relay protection；Each high-pressure modular is provided with battery high-voltage acquisition circuit, using precision resistance partial pressure mode,
And low and high level is converted into by light-coupled isolation and gives main control module processing；Busbar current acquisition is carried out using Hall current sensor
Gather and give main control module processing；Main control module is communicated by CAN with external microcontroller.
The battery high-voltage acquisition circuit is carried out electric resistance partial pressure, 5V is separated in high-pressurized contents using series connection precision resistance
Voltage simultaneously carries out high-pressure section and low-pressure section isolation by linear optical coupling, then is transferred to monolithic by follower and filter circuit
Machine AD input ports carry out voltage signal acquisition, and real-time monitoring modular intelligent high-pressure distribution box input terminal voltage changes, when
When the voltage signal of collection is less than setting value, single-chip microcomputer will be communicated by CAN to battery management system, make battery management system pair
Total relay or other related devices are controlled.
Temperature sensor in circuit is thermistor, to prevent loosened screw from causing the accident, distribution box of the invention
Temperature sensor is set at the copper bar screw connection in circuit, when temperature reaches the temperature value of setting, single-chip microcomputer will alarm, and
Signal is passed into BMS (battery management system), battery management system will disconnect main relay port, protection moduleization intelligence
High-tension distribution box.
Above is the single operation principle of various functions, in normal entrucking, high-voltage acquisition circuit acquisition moduleization intelligence is high
It is press-fitted the battery input voltage and the voltage condition at relay and fuse both ends of electronic box；Temperature sensor gathers each key point
Temperature conditions；Size of current on Hall current sensor collection busbar；Main control module single-chip microcomputer carries out above-mentioned signal
Then collection, processing are communicated by CAN lines with the single-chip microcomputer outside modularization intelligent high-tension distribution box, make external microcontroller
Vehicle is electrically controlled according to control strategy.
The modularization intelligent high voltage power distributing cabinet of the present invention has advantages below：
1st, high voltage power distributing cabinet voluntarily controls the relay of inside, avoids external control unit outside from carrying out mistake to high voltage power distributing cabinet
Operation.
2nd, status monitoring can be carried out to each device.
3rd, loosened screw problem can be monitored, and fed back.
4th, Principle And Method of Flame Retardation Design is carried out to high voltage power distributing cabinet.
5th, all signals are all communicated by CAN, as long as low voltage wiring harness power line and CAN lines.
Brief description of the drawings
Fig. 1 is the modularization intelligent high-tension distribution box overall structure diagram of the present invention.
Fig. 2 is the structural representation of 300A modules in modularization intelligent high-tension distribution box of the invention.
Fig. 3 is the structural representation of 150A modules in modularization intelligent high-tension distribution box of the invention.
Fig. 4 is the structural representation of 50A modules in modularization intelligent high-tension distribution box of the invention.
Fig. 5 is the structural representation of 20A modules in modularization intelligent high-tension distribution box of the invention.
Fig. 6 is the structural representation of preliminary filling module in modularization intelligent high-tension distribution box of the invention.
Embodiment
Present pre-ferred embodiments are provided below in conjunction with the accompanying drawings, to describe technical scheme in detail.
Embodiment：
As shown in figures 1 to 6, modularization intelligent high-tension distribution box of the invention, including casing 7, interior set of casing include 300A
High-pressure modular including module 1,150A modules 2,50A modules 3,20A modules 4 and preliminary filling module 5, it is additionally provided with for low in casing
The main control module 6 of voltage-controlled system, each high-pressure modular connect power supply by busbar；
300A modules are mainly used in motor, and 150A modules are mainly used in fast charge, and 50A modules are mainly used in trickle charge, and 20A is main
For DC/DC, DC/AC, PTC and air-conditioning, preliminary filling module is mainly used in super-high-current relay protection；
300A modules, 150A modules, 50A modules and 20A modules include relay 101,201,301 and 401, fuse
102nd, 202,302,402 and battery high-voltage acquisition circuit, by being incorporated to a string resistance between high pressure, voltage is subjected to partial pressure,
The magnitude of voltage within 0~5V is gathered, each module voltage signal is twinkling signal, and lasting strong high pressure can not be born on resistance, by
Single-chip microcomputer controls, and the actuating of relay, collects signal and just disconnects, in order to which high-low voltage is isolated, uses optocoupler TLP521-
1 carries out voltage isolation, and is converted into On-off signal to the I/O mouths of single-chip microcomputer, enters line level collection, in relay closure state
Under, if collecting high level, damaged for relay or fuse, 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.Due to depositing
In capacitive load, when equivalent capacity is connected in parallel on both ends of power, power on moment, the voltage at electric capacity both ends will not dash forward
Become, and the electric current at electric capacity both ends can be mutated, and be just switched on power supply moment, capacitor both ends are equivalent to short circuit.
Loosened screw monitors application principle：Connecting copper bar loosened screw makes to produce interval between two copper bars, equivalent to two bronze medals
Resistance between row increases, according to P=I2R understands that the heating power increase between copper bar is a lot, the caused heat in same time
Also increase very greatly, copper bar temperature is risen to the fusing point of copper bar and is melted.Thermistor is a kind of resistance as temperature linearity becomes
The sensor component of change, the relation between voltage and temperature can be obtained by this characteristic of thermistor.Set when temperature reaches
During fixed temperature value, single-chip microcomputer will be alarmed, and signal is passed into BMS (battery management system), and battery management system will be master
Relay port disconnects, protection module intelligent high-pressure distribution box.
Compared with conventional high-tension power distribution cabinet, modularization intelligent high voltage power distributing cabinet has the advantages that：
1st, control module has been incorporated into external control unit outside by conventional high-tension power distribution cabinet, makes conventional high-tension power distribution cabinet must be with
External control unit outside, which is combined, to be used；And the present invention is Control, high-voltage signal collection, current signal collection etc.
Combine, become independent entirety.Modularization intelligent high voltage power distributing cabinet is only needed by CAN and entire car controller
Carrying out communication can complete to control, and avoid different suppliers and carry out erroneous control operations to it, burn device.
2nd, conventional high-tension power distribution cabinet can only be controlled to relay, and modularization intelligent high voltage power distributing cabinet can supervise in real time
Survey fuse, the instantaneous operating conditions of relay.To produced problem in running (such as relay bonds, and fuse burns)
Carry out Real-time Feedback.
3rd, due to oxygen be present in conventional high-tension power distribution cabinet, when there is naked light failure, device in cabinet, wire harness can be burnt
Ruin, and after modularization intelligent high voltage power distributing cabinet detects high temperature or naked light higher than 150 degree, the extinguishing device inside high-voltage board
Can automatic gas injection, reduce the oxygen content inside high-voltage board, play the purpose of fire extinguishing, when the relay arcing is occurred, no
Spark occurs, causes fire.
In conventional high-tension cabinet, with the increase of relay, low voltage wiring harness can also increase, and make wire harness complicated, and of the invention
By introducing intelligent object, wire harness length is set to shorten as far as possible, the quantity of line is reduced as far as possible.Introduce CAN, make with outside
The low-voltage line of boundary's connection only has 5.
5th, conventional high-tension power distribution cabinet high-voltage line, copper bar cabling is chaotic, is not easy to connect up, and unsightly, it is of the invention by each branch
(motor circuit, DC/DC, air conditioner loop, front and rear defrosting etc.) carries out modularized design, is selected for different application customer requirement
Disparate modules are designed, and inlet wire and outlet separate, and avoid inlet-outlet line from intersecting.
General principle, principal character and the advantages of the present invention of the present invention has been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the simply explanation described in above-described embodiment and specification is originally
The principle of invention, various changes and modifications of the present invention are possible without departing from the spirit and scope of the present invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention.
Claims (3)
1. modularization intelligent high-tension distribution box, it is characterised in that being set including casing, in casing includes 300A modules, 150A moulds
High-pressure modular including block, 50A modules, 20A modules and preliminary filling module, the 300A modules, 150A modules, 50A modules and 20A
Module includes relay, fuse and battery high-voltage acquisition circuit, and preliminary filling module includes relay and preliminary filling resistance；In casing also
Provided with the main control module for low voltage control, each high-pressure modular connects power supply by busbar；300A modules are mainly used in motor,
150A modules are mainly used in fast charge, and 50A modules are mainly used in trickle charge, and 20A is mainly used in DC/DC, DC/AC, PTC and air-conditioning, in advance
Mold filling block is mainly used in super-high-current relay protection；Each high-pressure modular is provided with battery high-voltage acquisition circuit, using precision resistance
Partial pressure mode, and low and high level is converted into by light-coupled isolation and gives main control module processing；Busbar current acquisition uses Hall current
Sensor is acquired and gives main control module processing；Main control module is communicated by CAN with external microcontroller.
2. modularization intelligent high-tension distribution box according to claim 1, it is characterised in that the battery high-voltage acquisition circuit
Using series connection precision resistance, electric resistance partial pressure is carried out, 5V voltages are separated in high-pressurized contents and high-voltage section is carried out by linear optical coupling
Divide and low-pressure section is isolated, then be transferred to Chip Microcomputer A/D input port progress voltage signal by follower and filter circuit and adopt
Collection, real-time monitoring modular intelligent high-pressure distribution box input terminal voltage change, when the voltage signal of collection is less than setting value,
Single-chip microcomputer will be communicated by CAN to battery management system, battery management system is carried out total relay or other related devices
Control.
3. modularization intelligent high-tension distribution box according to claim 1, it is characterised in that in the circuit of the distribution box
Temperature sensor is set at copper bar screw connection, when temperature reaches the temperature value of setting, main control module single-chip microcomputer will alarm, and
Signal is passed into battery management system, battery management system will disconnect main relay port, protection module intelligent high-pressure
Distribution box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610130689.9A CN105667336B (en) | 2016-03-08 | 2016-03-08 | Modularization intelligent high-tension distribution box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610130689.9A CN105667336B (en) | 2016-03-08 | 2016-03-08 | Modularization intelligent high-tension distribution box |
Publications (2)
| Publication Number | Publication Date |
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| CN105667336A CN105667336A (en) | 2016-06-15 |
| CN105667336B true CN105667336B (en) | 2017-11-24 |
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| CN201610130689.9A Active CN105667336B (en) | 2016-03-08 | 2016-03-08 | Modularization intelligent high-tension distribution box |
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Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106143189A (en) * | 2016-07-07 | 2016-11-23 | 金龙联合汽车工业（苏州）有限公司 | Batteries of electric automobile group high-voltaghe compartment |
| CN109669062A (en) * | 2017-10-17 | 2019-04-23 | 许继集团有限公司 | A kind of automatic detection elastic test macro of bolt |
| CN108711916A (en) * | 2018-06-27 | 2018-10-26 | 友邦电气（平湖）股份有限公司 | 90KW to 120KW charging piles direct current output module |
| CN108550757B (en) * | 2018-06-28 | 2023-10-24 | 余姚市海泰贸易有限公司 | Power battery cut-off unit |
| CN108695692B (en) * | 2018-06-29 | 2024-03-19 | 余姚市海泰贸易有限公司 | Highly integrated anti-electromagnetic shielding high-voltage distribution box |
| CN109524929A (en) * | 2018-07-10 | 2019-03-26 | 顺科新能源技术股份有限公司 | A kind of die casting shell four-in-one high voltage distribution box |
| CN110588442B (en) * | 2019-08-16 | 2024-04-12 | 上海电气集团股份有限公司 | High-pressure tank of fuel cell system |
| CN113156209A (en) * | 2021-03-05 | 2021-07-23 | 淮安骏盛新能源科技有限公司 | Diagnosis method for monitoring looseness of mounting bolts of bus bar connected between modules |
| CN113161958A (en) * | 2021-03-18 | 2021-07-23 | 国网浙江省电力有限公司温州供电公司 | Forceful electric power well low pressure enclosed bus trouble is salvageed and is equipped based on thing networking |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2734448B1 (en) * | 1995-05-17 | 1997-06-27 | Schneider Electric Sa | ELECTRICAL EQUIPMENT BOX |
| CN1953285A (en) * | 2005-10-17 | 2007-04-25 | 上海市电力公司 | Preframed substation of modular structure and its manufacture method |
| CN102815229B (en) * | 2012-09-21 | 2014-10-22 | 中国人民解放军第三军医大学第三附属医院 | Intelligent power supply box for supplying electricity for vehicle-mounted precision equipment |
| CN103303149B (en) * | 2013-06-06 | 2015-10-21 | 张家港市江南汽车制造有限公司 | A kind of extended-range electric vehicle high direct voltage control convenience |
| CN203522292U (en) * | 2013-10-31 | 2014-04-02 | 株洲高新技术产业开发区壹星科技有限公司 | Control power supply cabinet for railway vehicle lithium battery energy storage system |
| CN103715641B (en) * | 2013-12-31 | 2016-04-27 | 山西尚宽电气集团有限公司 | Modularization distribution box |
| CN104505742B (en) * | 2014-12-26 | 2017-03-15 | 黑默（天津）电气工程系统有限公司 | Distribution box |
| CN204615189U (en) * | 2015-04-21 | 2015-09-02 | 合肥国轩高科动力能源股份公司 | A kind of pure electronic logistic car high-tension distribution box |
| CN205417224U (en) * | 2016-03-08 | 2016-08-03 | 上海埃而生电气有限公司 | Modularization intelligence high voltage distributor box |
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2016
- 2016-03-08 CN CN201610130689.9A patent/CN105667336B/en active Active
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Address after: 201802 Shanghai City, Jiading District Nanxiang Town, Chen Xiang Road No. 698 Applicant after: Shanghai born electric Limited by Share Ltd Address before: 201802 Shanghai City, Jiading District Nanxiang Town, Chen Xiang Road No. 698 Applicant before: SHANGHAI ALSON ELECTRIC CO., LTD. |
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