CN105539181B - A kind of electric automobile high-voltage distributor - Google Patents
A kind of electric automobile high-voltage distributor Download PDFInfo
- Publication number
- CN105539181B CN105539181B CN201511000362.1A CN201511000362A CN105539181B CN 105539181 B CN105539181 B CN 105539181B CN 201511000362 A CN201511000362 A CN 201511000362A CN 105539181 B CN105539181 B CN 105539181B
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- connector
- contactor
- fast charge
- charge
- fuse
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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
- B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
-
- 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
-
- 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 electric automobile high-voltage distributor, and it is provided with battery pack positive/negative connector including side, and opposite side is provided with the casing of fast charge positive/negative connector, motor positive/negative connector, trickle charge contactor and signal connector；Battery anode connector is connected with battery manager and main contactor respectively by Hall sensor；Main contactor is connected with motor positive connector；Preliminary filling resistance and preliminary filling relay are provided between Hall sensor and main contactor；Main contactor is connected with heater fuse, trickle charge fuse, heater contactor, trickle charge contactor and trickle charge connector；Battery electrode connector is connected with fast charge negative pole connector, electrode negative connector and trickle charge connector；Fast charge positive connector is connected with fast charge fuse and fast charge contactor successively.Preliminary filling resistance, fuse ensure the security performance of high pressure distributor；Information transmission in battery pack is ensured safe operation by Hall sensor to battery manager.
Description
The invention belongs to high pressure distributor technical field for technical field, and in particular to a kind of electric automobile high-voltage distribution
Device.
Background technology is increasingly severe with global pollution, and country increases the attention dynamics to clean energy resource, increase pair
The input and support dynamics of electric automobile are rapid from the maturation of every technology of electric automobile in 2015, the yield of electric automobile
Rise.The second half year in 2015, country proposed " each city will build the charging station and charging pile to match with electric automobile ",
Electric automobile is produced in all transition such as each traditional Automobile Enterprises such as BYD in the country, Cherry, many Thailands, Beijing Automobile Workshop, Yangze river and Huai river in enormous quantities, electronic
The recoverable amount of automobile steeply rises.At present, country, each province and place although increase subsidy dynamics to electric automobile and other
Preferential policy, but the price of electric automobile is still high；It is one big to account for its vehicle price for electric automobile middle-and-high voltage system cost
Part, and high pressure distributor is the hinge portion measure of high-pressure system, traditional high pressure distributor function is few, and volume is big and reliability
It is low, therefore, reduce its cost and be particularly important.
High pressure distributor casing exposed to outside due to playing a part of protection, environment rather harsh, it is therefore desirable to casing
Material possesses preferable mechanical property and decay resistance, to improve its service life.
The content of the invention
Present invention aim to address prior art to have complicated, the big technical problem low with reliability of volume, carries
For a kind of electric automobile high-voltage distributor, with overcome the deficiencies in the prior art.
Present invention also offers a kind of casing of electric automobile high-voltage distributor, with overcome the deficiencies in the prior art.
To achieve these goals, a kind of electric automobile high-voltage distributor of the present invention, its main points are that it is including battery pack just
Pole connector, casing, Hall sensor, heater fuse, heater contactor, main contactor, battery electrode connector,
Fast charge fuse, trickle charge fuse, fast charge contactor, trickle charge contactor, fast charge positive connector, motor positive connector, letter
Number connector, fast charge negative pole connector, electrode negative connector, trickle charge connector and battery manager；
The side of the casing is provided with battery anode connector and battery electrode connector, and opposite side is being provided with fast charge just
Pole connector, fast charge negative pole connector, motor positive connector, electrode negative connector, trickle charge contactor and signal connector；
The battery anode connector is connected with battery manager and main contactor respectively by Hall sensor；The main contactor
It is connected by copper bar with motor positive connector；Be provided between the Hall sensor and main contactor preliminary filling resistance and preliminary filling after
Electrical equipment；The main contactor successively with heater fuse, trickle charge fuse, heater contactor, trickle charge contactor and trickle charge
Connector connects；The battery electrode connector by copper bar successively with fast charge negative pole connector, electrode negative connector and
Trickle charge connector connects；The fast charge positive connector is connected with fast charge fuse and fast charge contactor successively.
In order to reduce impulsive force, the battery manager is connected by supporting plate with casing.
The casing of above-mentioned electric automobile high-voltage distributor, it is prepared as follows and obtained：
Step 1）Weigh raw material, step 2）Prepare auxiliary agent, step 3）Preheating, step 4）Fusing, step 5）Prepare aluminium alloy,
Step 6）Die casting；
Specifically, comprise the following steps：
Step 1）Weigh raw material：Each raw material for standby is weighed according to parts by weight：0.5 part of lanthanum, 0.6 part of gallium, 0.6 part of cerium, neodymium 0.6
Part, 0.8 part of vanadium, 1 part of tin, 1.5 parts of glass fibre, 2 parts of niobium, 3 parts of zirconium, 8 parts of zinc, 12 parts of graphite, 15 parts of titanium, 36 parts of silicon, aluminium 90
Part, 1000 parts of magnesium；
Step 2）Prepare auxiliary agent：Glass fibre and graphite are added in acetone successively, 200 turns/min stirrings 3 hours, so
After be placed in 4 DEG C refrigerate 12 hours, obtain auxiliary agent；Wherein, the mass ratio of acetone and graphite is 2:1；
Step 3）Preheating：By lanthanum, gallium, cerium, neodymium, vanadium, tin, niobium, zirconium, zinc, titanium, silicon, aluminium and magnesium are respectively in 200 DEG C of preheatings
1 hour；
Step 4）Fusing：Using crucible electrical resistance furnace by after preheating magnesium melt, then 760 DEG C add auxiliary agents, zinc, titanium,
Silicon and aluminium, and stir melt 3min；Protected in whole process using argon gas；
Step 5）Prepare aluminium alloy：800 DEG C are continuously heating to, adds lanthanum, gallium, cerium, neodymium, vanadium, tin, niobium and zirconium, stirring
5min, obtain aluminium alloy；Protected in whole process using argon gas；
Step 6）Die casting：Using die casting machine, by step 5）Gained aluminium alloy die casting is into mould, injection pressure 70Mpa,
Injection speed is 4m/s, and casing is made.
The present invention is easy to use, rational in infrastructure, and preliminary filling resistance, fuse can ensure the security performance of high pressure distributor；Connect
Tentaculum realizes effect of the high pressure distributor in electric automobile；Hall sensor passes the current-voltage information in battery pack in real time
Giving battery manager ensures the safe and stable operation of electric automobile.Casing of the present invention possesses that elastoresistance deformability is good, mechanics
Performance is good, surface is smooth and it is corrosion-resistant the advantages that, service life greatly increases；It can not only be refined by adding auxiliary agent
Crystal grain, while alloy flowability can be improved, improve the die casting performance and decay resistance of magnesium alloy；Niobium and zirconium have alloy
Higher intensity and good plastic deformation ability, antioxidant and alkali resistant metal erosion performance are good；Titanium heat resisting corrosion-proof corrosion
Can be good, keep preferable performance in various extreme environments；Lanthanum, gallium, neodymium and ce metal, which are added in magnesium alloy, to be refined
The microscopic structure of alloy improves the plastic deformation ability of the mechanical property raising alloy of alloy, and effectively refining matrix improves phase
Pattern and distribution improve alloy comprehensive mechanical property.
It is the structural representation top view without battery manager in the present invention to illustrate Fig. 1；
Fig. 2 is the structural representation top view for having in the present invention battery manager；
Fig. 3 is the structural representation right view of the present invention；
Fig. 4 is the operation principle schematic diagram of the present invention；
Fig. 5 is connection status reference chart of the present invention in electric automobile high-voltage system.
1 in figure, battery anode connector 2, casing 3, Hall sensor 4, heater fuse 5, preliminary filling
Resistance 6, preliminary filling relay 7, heater contactor 8, main contactor 9, copper bar 10, battery electrode connector
11st, screw 12, fast charge fuse 13, trickle charge fuse 14, fast charge contactor 15, trickle charge contactor 16, fast charge
Positive connector 17, motor positive connector 18, signal connector 19, fast charge negative pole connector 20, electrode negative
Connector 21, trickle charge connector 22, supporting plate 23, battery manager
Embodiment
Embodiment 1
According to Fig. 1, Fig. 2, Fig. 3, Fig. 4 and Fig. 5, the present invention it include battery anode connector 1, casing 2, hall sensing
It is device 3, heater fuse 4, heater contactor 7, main contactor 8, battery electrode connector 10, fast charge fuse 12, slow
Fuse 13, fast charge contactor 14, trickle charge contactor 15, fast charge positive connector 16, motor positive connector 17, signal is filled to connect
Connect device 18, fast charge negative pole connector 19, electrode negative connector 20, trickle charge connector 21 and battery manager 23；The casing 2
Side be provided with battery anode connector 1 and battery electrode connector 10, opposite side is provided with fast charge positive connector 16, fast
Fill negative pole connector 19, motor positive connector 17, electrode negative connector 20, trickle charge contactor 15 and signal connector 18；
The battery anode connector 1 is connected with battery manager 23 and main contactor 8 respectively by Hall sensor 3；The master
Contactor 8 is connected by copper bar 9 with motor positive connector 17；Preliminary filling is provided between the Hall sensor 3 and main contactor 8
Resistance 5 and preliminary filling relay 6；The main contactor 8 successively with heater fuse 4, trickle charge fuse 13, heater contactor
7th, trickle charge contactor 15 and trickle charge connector 21 connect；The battery electrode connector 10 is born with fast charge successively by copper bar 9
Pole connector 19, electrode negative connector 20 and trickle charge connector 21 connect；The fast charge positive connector 16 successively with fast charge
Fuse 12 and fast charge contactor 14 connect；The battery manager 23 is connected by supporting plate 22 with casing 2.
Operation principle：Battery anode connector 1 and battery electrode connector 10 are connected to power battery pack；Motor is just
Pole connector 17 and electrode negative connector 20 connect motor inverter；Fast charge positive connector 16 and fast charge negative pole connector 19
Connect fast charge socket；Trickle charge connector 21 connects DCDC/PTC/ air-conditionings/trickle charge charger；Signal connector 18 connects vehicle pipe
Reason system；Casing 2 provides carrier for all first parts；All parts are fixed on casing 2 by screw 11；Use battery manager
（That is BMU）Battery manager 23 is fixed and buffered to supporting plate 22；Copper bar 9 and cable are by battery electrode connector 10, fast charge
Negative pole in negative pole connector 19, electrode negative connector 20 and trickle charge connector 21 links together.
Power battery pack is connected to main contactor 8 by battery anode connector 1 through Hall sensor 3, while suddenly
Voltage in battery pack and current information are transferred to battery manager by that sensor 3 in fact（That is BMU）23；Electric current first passes through preliminary filling
Resistance 5 and preliminary filling relay 6 main contactor 8 after 2-3s preliminary filling turn on, and electric current is connected to motor positive pole by copper bar 9 and connected
Device 17 is connect, while electric current passes through heater respectively（That is PTC）The circuit protection and heater of fuse 4, trickle charge fuse 13（I.e.
PTC）Contactor 7, trickle charge contactor 15 are connected to trickle charge connector 21, vehicle life's work；Now battery manager（That is BMU）
23 control system strategies, prevent fast charge and trickle charge from working.
Trickle charge can be by trickle charge connector 21, trickle charge fuse 13, trickle charge contactor 15 to dynamic after vehicle is stopped
Power battery pack is slowly charged, or by fast charge positive connector 16, fast charge fuse 12, fast charge contactor 14 to power
Battery pack carries out quick charge, and both can not work simultaneously.Preliminary filling resistance, fuse ensure the security performance of high pressure distributor；
Contactor realizes effect of the high pressure distributor in electric automobile；Hall sensor is real-time by the current-voltage information in battery pack
Sending BMU to ensures the stability of electric automobile.
Referring to Fig. 4, electric automobile starts battery pack and provides dynamical system as electric automobile the operation principle of high pressure distributor
System, there is provided to motor inverter, heater（That is PTC）, air-conditioning, DCDC power supplys, make its normal work；Trickle charge is with fast charge in vehicle
Charged after flame-out, and fast charge can not work simultaneously with trickle charge；Due to DCDC and trickle charge and air-conditioning under different operating modes work
Make, from one group of fuse and contactor.
The selection of electric automobile high-voltage subsystem electrical property strategy in the present invention, determine each electronic device electricity of high pressure distributor
The selection of performance.The electrical property of the high-pressure system of high voltage power distribution device is generally：Passenger car power battery pack and motor inverter
Rated voltage is 320V, power 18Kw/h, and sustainable electric current is no more than 60A, and 80A is no more than 60s, and 120A is no more than 30s；It hurry up
The power for filling socket is 12 Kw/h；The power of DC/DC converters is 1.2 Kw/h；The power of other high pressure sub-systems is 4 Kw/
h。
According to the electrical property of the electric automobile high-voltage subsystem, the selection of each electronic component is referring to figure in high pressure distributor
4；Hall sensor selects model CAB300-C/SP2；Preliminary filling resistance selects 100 Ω, 200W high-power resistance；Precharge
Contactor of the resistance from 3-5A；Main contactor selects safe EV200,200A to be no more than 10s；Other contactors are according to control
System strategy selects EV20 and EV30 contactor；Remaining selects 15A and 30A fuse, and selects phase according to different electric currents
The copper bar or cable answered.
According to electric automobile high-voltage system and the function of high pressure distributor, power battery pack, motor inverter, fast charge are at least
Two kinds of single core connector are needed, from model HV22 series of products, the product can crimp 25 squares of unmasked and shielding line
Cable, there is the anti-misplug functions such as key mapping fool proof, color fool proof, mark fool proof, effectively increase the security of product.Heater
（That is PTC）, DC/DC converters, air conditioning frequency converter, motor inverter, trickle charge charger and other high pressure sub-systems connection point
Wei not two core connectors.From model HV30-8 connector.XC30-30 signal connectors have 30 contacts, can
Meet the transmission of multi-signal to greatest extent, the signal number that now system uses is 28.
Pivoting system of the mesohigh distributor of the present invention as electric automobile high-voltage system, there is collecting vehicle inner high voltage signal
And the function of control high-pressure system；The connection status of electric automobile high-voltage system passes through battery management referring to Fig. 5, high pressure distributor
Device（That is BMU）23 low-voltage signal controls power battery pack, motor inverter, heater（That is PTC）, DC/DC converters, sky
The high pressure sub-systems such as frequency converter, motor inverter, trickle charge charger, fast charge socket are adjusted, so as to realize low pressure Small current control height
Press the purpose of high current.
The present invention is analyzed overall structure and electrical property, selects different parts, and small volume, cost are low, have very
Good reliability.
Embodiment 2
A kind of casing of electric automobile high-voltage distributor, it is prepared as follows and obtained：
Step 1）Weigh raw material：Each raw material for standby is weighed according to parts by weight：0.5 part of lanthanum, 0.6 part of gallium, 0.6 part of cerium, neodymium 0.6
Part, 0.8 part of vanadium, 1 part of tin, 1.5 parts of glass fibre, 2 parts of niobium, 3 parts of zirconium, 8 parts of zinc, 12 parts of graphite, 15 parts of titanium, 36 parts of silicon, aluminium 90
Part, 1000 parts of magnesium；
Step 2）Prepare auxiliary agent：Glass fibre and graphite are added in acetone successively, 200 turns/min stirrings 3 hours, so
After be placed in 4 DEG C refrigerate 12 hours, obtain auxiliary agent；Wherein, the mass ratio of acetone and graphite is 2:1；
Step 3）Preheating：By lanthanum, gallium, cerium, neodymium, vanadium, tin, niobium, zirconium, zinc, titanium, silicon, aluminium and magnesium are respectively in 200 DEG C of preheatings
1 hour；
Step 4）Fusing：Using crucible electrical resistance furnace by after preheating magnesium melt, then 760 DEG C add auxiliary agents, zinc, titanium,
Silicon and aluminium, and stir melt 3min；Protected in whole process using argon gas；
Step 5）Prepare aluminium alloy：800 DEG C are continuously heating to, adds lanthanum, gallium, cerium, neodymium, vanadium, tin, niobium and zirconium, stirring
5min, obtain aluminium alloy；Protected in whole process using argon gas；
Step 6）Die casting：Using die casting machine, by step 5）Gained aluminium alloy die casting is into mould, injection pressure 70Mpa,
Injection speed is 4m/s, and casing is made.
Embodiment 3
1. contrast test 1：Processing step is not add auxiliary agent with embodiment 2, difference.
Contrast test 2：Processing step is with embodiment 2, and difference is not add lanthanum, gallium, cerium, neodymium.
Contrast test 3：Processing step is with embodiment 2, and difference is not add vanadium, tin, niobium, zirconium.
Each properties of product testing result is shown in Table 1：
Table 1
| Group | Tensile strength（MPa） | Modulus of elasticity（GPa） | Elongation percentage（%） |
| Embodiment 2 | 323 | 63.2 | 18.1 |
| Contrast test 1 | 309 | 56.1 | 14.9 |
| Contrast test 2 | 283 | 53.4 | 15.3 |
| Contrast test 3 | 276 | 59.7 | 16.5 |
2. according to GB10124-1988 metal materials laboratory homogeneous corrosion total immersion test method, said sample is tiltedly stood
It is put in 3.5%NaCl solution, taking-up CrO after 4 days3+AgNO3 +Ba(NO3)2+ distilled water removes the corrosion production of specimen surface
Thing, then cleaned again with acetone and absolute alcohol, survey corrosion rate（mm/a）.
The corrosion rate of casing alloy material is as shown in table 2.
Table 2
| Numbering | Corrosion rate（mm/a） |
| Embodiment 2 | 0.09 |
| Contrast test 1 | 0.15 |
| Contrast test 2 | 0.19 |
| Contrast test 3 | 0.17 |
Although above detailed explanation is made to this case with generality explanation and embodiment, at this
On the basis of invention, it can be made some modifications or improvements, this will be apparent to those skilled in the art.Therefore,
The modification or improvement made without departing from theon the basis of the spirit of the present invention, belong to the scope of protection of present invention.
Claims (1)
1. a kind of electric automobile high-voltage distributor, it is characterised in that it includes battery anode connector（1）, casing（2）, suddenly
That sensor（3）, heater fuse（4）, heater contactor（7）, main contactor（8）, battery electrode connector（10）、
Fast charge fuse（12）, trickle charge fuse（13）, fast charge contactor（14）, trickle charge contactor（15）, fast charge positive connector
（16）, motor positive connector（17）, signal connector（18）, fast charge negative pole connector（19）, electrode negative connector（20）、
Trickle charge connector（21）And battery manager（23）；The casing（2）Side be provided with battery anode connector（1）And battery
Group negative pole connector（10）, opposite side is provided with fast charge positive connector（16）, fast charge negative pole connector（19）, motor positive pole connection
Device（17）, electrode negative connector（20）, trickle charge contactor（15）And signal connector（18）；The battery anode connector
（1）Pass through Hall sensor（3）Respectively with battery manager（23）And main contactor（8）Connection；The main contactor（8）Pass through
Copper bar（9）With motor positive connector（17）Connection；The Hall sensor（3）With main contactor（8）Between be provided with precharge
Resistance（5）With preliminary filling relay（6）；The main contactor（8）Successively with heater fuse（4）, trickle charge fuse（13）, heating
Body contactor（7）, trickle charge contactor（15）With trickle charge connector（21）Connection；The battery electrode connector（10）Pass through copper
Row（9）Successively with fast charge negative pole connector（19）, electrode negative connector（20）With trickle charge connector（21）Connection；The fast charge
Positive connector（16）Successively with fast charge fuse（12）With fast charge contactor（14）Connection；
The battery manager（23）Pass through supporting plate（22）With casing（2）Connection；
The casing is prepared as follows and obtained：
Step 1）Weigh raw material：Each raw material for standby is weighed according to parts by weight：0.5 part of lanthanum, 0.6 part of gallium, 0.6 part of cerium, 0.6 part of neodymium,
0.8 part of vanadium, 1 part of tin, 1.5 parts of glass fibre, 2 parts of niobium, 3 parts of zirconium, 8 parts of zinc, 12 parts of graphite, 15 parts of titanium, 36 parts of silicon, 90 parts of aluminium,
1000 parts of magnesium；
Step 2）Prepare auxiliary agent：Glass fibre and graphite are added in acetone successively, 200 turns/min is stirred 3 hours, is then put
Refrigerated 12 hours in 4 DEG C, obtain auxiliary agent；Wherein, the mass ratio of acetone and graphite is 2:1；
Step 3）Preheating：Lanthanum, gallium, cerium, neodymium, vanadium, tin, niobium, zirconium, zinc, titanium, silicon, aluminium and magnesium is small in 200 DEG C of preheatings 1 respectively
When；
Step 4）Fusing：Using crucible electrical resistance furnace by after preheating magnesium melt, then 760 DEG C add auxiliary agents, zinc, titanium, silicon with
And aluminium, and stir melt 3min；Protected in whole process using argon gas；
Step 5）Prepare aluminium alloy：800 DEG C are continuously heating to, adds lanthanum, gallium, cerium, neodymium, vanadium, tin, niobium and zirconium, stirs 5min,
Obtain aluminium alloy；Protected in whole process using argon gas；
Step 6）Die casting：Using die casting machine by step 5）Gained aluminium alloy die casting is into mould, injection pressure 70Mpa, injection
Speed is 4m/s, and casing is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511000362.1A CN105539181B (en) | 2015-12-29 | 2015-12-29 | A kind of electric automobile high-voltage distributor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511000362.1A CN105539181B (en) | 2015-12-29 | 2015-12-29 | A kind of electric automobile high-voltage distributor |
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| CN105539181A CN105539181A (en) | 2016-05-04 |
| CN105539181B true CN105539181B (en) | 2017-12-01 |
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Families Citing this family (2)
| 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 |
| CN113130273B (en) | 2020-01-15 | 2022-07-15 | 比亚迪股份有限公司 | Multifunctional fuse |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07184303A (en) * | 1993-12-24 | 1995-07-21 | Sumitomo Wiring Syst Ltd | High voltage high current distributor for electric automobile |
| CN102856797A (en) * | 2012-09-13 | 2013-01-02 | 安徽江淮汽车股份有限公司 | Easy-to-maintain compact high-voltage distribution box |
| CN202944214U (en) * | 2012-11-22 | 2013-05-22 | 东南（福建）汽车工业有限公司 | Automatic defense device of electric car |
| CN104672781A (en) * | 2014-12-03 | 2015-06-03 | 合复新材料科技(无锡)有限公司 | Preparation method of electric vehicle battery box material |
| CN105140787A (en) * | 2015-09-21 | 2015-12-09 | 四川永贵科技有限公司 | High-voltage power supply distribution box assembly |
| CN205256040U (en) * | 2015-12-29 | 2016-05-25 | 临沂市海纳电子有限公司 | Electric automobile high pressure distributor |
-
2015
- 2015-12-29 CN CN201511000362.1A patent/CN105539181B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07184303A (en) * | 1993-12-24 | 1995-07-21 | Sumitomo Wiring Syst Ltd | High voltage high current distributor for electric automobile |
| CN102856797A (en) * | 2012-09-13 | 2013-01-02 | 安徽江淮汽车股份有限公司 | Easy-to-maintain compact high-voltage distribution box |
| CN202944214U (en) * | 2012-11-22 | 2013-05-22 | 东南（福建）汽车工业有限公司 | Automatic defense device of electric car |
| CN104672781A (en) * | 2014-12-03 | 2015-06-03 | 合复新材料科技(无锡)有限公司 | Preparation method of electric vehicle battery box material |
| CN105140787A (en) * | 2015-09-21 | 2015-12-09 | 四川永贵科技有限公司 | High-voltage power supply distribution box assembly |
| CN205256040U (en) * | 2015-12-29 | 2016-05-25 | 临沂市海纳电子有限公司 | Electric automobile high pressure distributor |
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| Publication number | Publication date |
|---|---|
| CN105539181A (en) | 2016-05-04 |
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