CN102923070A - High-voltage power distribution system for electric automobile - Google Patents
High-voltage power distribution system for electric automobile Download PDFInfo
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- CN102923070A CN102923070A CN2012104178112A CN201210417811A CN102923070A CN 102923070 A CN102923070 A CN 102923070A CN 2012104178112 A CN2012104178112 A CN 2012104178112A CN 201210417811 A CN201210417811 A CN 201210417811A CN 102923070 A CN102923070 A CN 102923070A
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Abstract
The invention discloses a high-voltage power distribution system for an electric automobile. The high-voltage power distribution system comprises an electromagnetic relay switch, as well as a charging machine contactor, a power supply contactor of a motor controller and a DC/DC (direct current/direct current) power supply contactor, which are respectively connected with the electromagnetic relay switch; the power supply contactor of the motor controller and the charging machine contactor are connected with the DC/DC power supply contactor; and the charging machine contactor is connected with a charge control end, and the electromagnetic relay switch is connected with the ACC (alternating current circuit) control end and the charge control end. The high-voltage power distribution system disclosed by the invention can realize interlocking of charge of a power battery and power supply of a motor, a DC/DC converter can get high-voltage power supply in two states, namely the power supply of the motor and the charge of the power battery, so that potential safety hazard can be further eliminated.
Description
Technical field
The present invention relates to the electronlmobil field, relate in particular to a kind of high-voltage power distribution system for electric automobiles.
Background technology
Electronlmobil refers to take vehicle mounted dynamic battery as power, the vehicle that travels with power wheel.Electrokinetic cell provides electric energy for the driving motor of electronlmobil, and electrical motor is mechanical energy with the electric energy conversion of electrokinetic cell, by driving device or direct drive of wheel and equipment.In electronlmobil, its electrical equipment is far more than conventional truck.Therefore, except low voltage control system, also has high voltage power transmisson system at car load.A lot of components and parts operating voltages in the electronlmobil are up to several hectovolts, and electric current is then up to tens peaces, even peace up to a hundred, thereby it is necessary introducing high tension distribution system in electronlmobil.High tension distribution system mainly is the break-make of controlling by the electrical equipment of high drive, realizes the low pressure control high pressure, improves the safety of vehicle and normally travelling of support vehicles.
Prior art mesohigh switching arrangement are more complicated all, and has potential safety hazard, and especially the DC/DC conv can not all obtain high voltage supply under motor power supply and power battery charging two states, exists potential safety hazard.
Summary of the invention
The technical problem to be solved in the present invention is can not all obtain high voltage supply for DC/DC conv in the prior art under motor power supply and power battery charging two states, exist the defective of potential safety hazard, a kind of high-voltage power distribution system for electric automobiles that can make the DC/DC conv all can obtain high voltage supply under above-mentioned two states is provided.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of high-voltage power distribution system for electric automobiles is provided, comprises electromagnetic relay switch, and all connected battery charger contactless switch, electric machine controller supply electric contactor for electric contactor and DC/DC; Electric machine controller all is connected with DC/DC confession electric contactor for electric contactor and battery charger contactless switch; The battery charger contactless switch connects the charging control end, and electromagnetic relay switch connects ACC control end and charging control end;
When not receiving the charging signals of charging control end, the battery charger contactless switch is in off-state; When receiving charging control end charging signals, battery charger contactless switch closure is power battery charging, owing to its coil blackout is disconnected, DC/DC will closedly be the power supply of DC/DC conv for electric contactor for electric contactor for the magnet coil energising of electromagnetic relay switch, electric machine controller;
When receiving the actuation signal of ACC control end, the battery charger contactless switch is in off-state, electric machine controller is closed for electric contactor, electrokinetic cell will provide dc high-voltage to electric machine controller, the magnet coil of electromagnetism relay switch can not switched on, but DC/DC still can closedly be the power supply of DC/DC conv for electric contactor.
In the high-voltage power distribution system for electric automobiles of the present invention, this system comprises that also the warm braw that is connected with the warm braw control end is for electric contactor, the air-conditioning that is connected with the air-conditioning control end is for electric contactor, and warm braw be connected the negative pole of the control coil of electric contactor all to be connected altogether negative pole of realization low pressure with the negative pole of the magnet coil of electromagnetic relay switch with air-conditioning for electric contactor.
In the high-voltage power distribution system for electric automobiles of the present invention, battery charger contactless switch, electric machine controller supply control coil two ends diode all in parallel of electric contactor for electric contactor and warm braw for electric contactor, air-conditioning for electric contactor, DC/DC.
In the high-voltage power distribution system for electric automobiles of the present invention, DC/DC all is connected with current fuse for electric contactor, warm braw for electric contactor and battery charger contactless switch for electric contactor, air-conditioning.
In the high-voltage power distribution system for electric automobiles of the present invention, this system also comprises altogether negative pole end of high direct voltage, and electric machine controller with battery charger contactless switch is connected negative pole for electric contactor, warm braw for electric contactor for electric contactor, air-conditioning for electric contactor, DC/DC and all is total to negative pole end with high direct voltage and is connected.
In the high-voltage power distribution system for electric automobiles of the present invention, the large current interface that is connected with the common negative pole end of high direct voltage connects by copper bar, and its relatively low current interface realizes in this way that by selecting suitable wire to be connected with copper bar high pressure is negative altogether.
In the high-voltage power distribution system for electric automobiles of the present invention, this system is arranged in the splitter box, on the side panel of this splitter box the adaptor union with error protection function is installed, and this system is connected with peripheral components by adaptor union.
The beneficial effect that the present invention produces is: the present invention is not when receiving the charging signals of charging control end, and the battery charger contactless switch is in off-state; When receiving charging control end charging signals, battery charger contactless switch closure is power battery charging, owing to its control coil disconnects, DC/DC will closedly be the power supply of DC/DC conv for electric contactor for electric contactor for the magnet coil energising of electromagnetic relay switch, electric machine controller; When receiving the actuation signal of ACC control end, the battery charger contactless switch is in off-state, electric machine controller is closed for electric contactor, electrokinetic cell will provide dc high-voltage to electric machine controller, the magnet coil of electromagnetism relay switch can not switched on, but DC/DC still can closedly be the power supply of DC/DC conv for electric contactor.The present invention can realize the interlocking of power battery charging and motor power supply, and makes the DC/DC conv all can obtain high voltage supply under motor power supply and power battery charging two states, thereby has eliminated potential safety hazard.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples, in the accompanying drawing:
Fig. 1 is the electrical principle schematic diagram of embodiment of the invention high-voltage power distribution system for electric automobiles;
Fig. 2 is the high voltage distribution box cabinet inner structure layout schematic diagram that the embodiment of the invention is provided with high-voltage power distribution system for electric automobiles;
Fig. 3 is high voltage distribution box front interface schematic diagram.
Among the figure:
1 electromagnetic relay switch
2,4,6,8,10 diodes
3 electric machine controllers are for electric contactor
5 DC/DC are for electric contactor
7 air-conditionings are for electric contactor
9 warm braws are for electric contactor
11 battery charger contactless switchs
13 preliminary filling resistance
12,14,15,16,17 current fuses
18 charging control ends
19 warm braw control ends
20 air-conditioning control ends
21 ACC control ends
22 preliminary fillings feedback
23 secondary fire just
24 secondaries fire is negative
25 electric machine controller high voltage supplies are rectified the utmost point
26 electric machine controller high voltage supply end negative poles
27 DC/DC feeder ears are anodal
28 DC/DC feeder ear negative poles
29 on-board air conditioner feeder ears are anodal
30 on-board air conditioner feeder ear negative poles
31 warm braw feeder ears are anodal
32 warm braw feeder ear negative poles
The utmost point is rectified in 33 AC chargings
34 AC charging end negative poles
35 DC charging are rectified the utmost point
36 DC charging end negative poles
37 high voltage bus are anodal
38 high voltage bus negative poles
39 insulcretes
40, the cylindrical insulated terminal of 51 brown
41,46,49,50,52 copper bars
42,43,44,45,47,48 red insulated terminals
53 high voltage distribution boxes
The anodal feeder ear adaptor union of 54 high voltage bus
55 DC charging are rectified utmost point adaptor union
56 electric machine controller high voltage supplies are rectified utmost point adaptor union
57 high direct voltages are the negative pole end adaptor union altogether
58 AC charging adaptor unions
59 DC/DC DC supply adaptor unions
60 air-conditioning power-feed connectors
61 warm braw power-feed connectors
62 seven apertures in the human head control signal adaptor unions
The specific embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, is not intended to limit the present invention.
As shown in Figure 1, the high-voltage power distribution system for electric automobiles of the embodiment of the invention comprises electromagnetic relay switch 1, and all connected battery charger contactless switch 11, electric machine controller supply electric contactor 5 for electric contactor 3 and DC/DC; Electric machine controller is connected with the battery charger contactless switch all for electric contactor 3 and is connected with DC/DC confession electric contactor 5; Battery charger contactless switch 11 connects charging control end 18, and electromagnetic relay switch 1 connects ACC control end 21 and charging control end 18;
When not receiving the charging signals of charging control end, battery charger contactless switch 11 is in off-state; When receiving the charging signals of charging control end 18, battery charger contactless switch 11 closures are power battery charging, the magnet coil energising of electromagnetic relay switch 1, owing to its control coil disconnects, DC/DC will closedly be the power supply of DC/DC conv for electric contactor 5 to electric machine controller for electric contactor 3;
When receiving the actuation signal of ACC control end 21, battery charger contactless switch 11 is in off-state, electric machine controller is for electric contactor 3 closures, electrokinetic cell will provide dc high-voltage to electric machine controller, the magnet coil of electromagnetism relay switch 1 can not switched on, but DC/DC still can closedly be the power supply of DC/DC conv for electric contactor 5.
As seen from the above-described embodiment, each contactless switch can be controlled the disconnected of corresponding contact device by control signal and close, and power battery charging and motor power supply can realize interlocking; The DC/DC conv all can obtain high voltage supply under power battery charging and motor power supply two states.
Further, on the basis of above-described embodiment, the system of the embodiment of the invention comprises that also the warm braw that is connected with warm braw control end 10 is for electric contactor 9, the air-conditioning that is connected with air-conditioning control end 20 is for electric contactor 7, and warm braw be connected the negative pole of the control coil of electric contactor 7 all to be connected altogether negative pole of realization low pressure with the negative pole of the magnet coil of electromagnetic relay switch 1 with air-conditioning for electric contactor 9.
Further, on the basis of above-described embodiment, this system comprises that also high direct voltage is total to negative pole end, all together negative terminal connections of negative pole that electric machine controller is connected with the battery charger contactless switch for electric contactor 9 for electric contactor 7, warm braw for electric contactor 5, air-conditioning for electric contactor 3, DC/DC.In one embodiment of the invention, the large current interface that is connected with the common negative pole end of high direct voltage connects by copper bar, and its relatively low current interface is by selecting suitable wire to be connected with copper bar.
Further, on the basis of above-described embodiment, DC/DC all is connected with current fuse for electric contactor 7, warm braw for electric contactor 9 and battery charger contactless switch 11 for electric contactor 5, air-conditioning.Embodiment of the invention high-voltage power distribution system for electric automobiles also comprises preliminary filling resistance 13, current fuse 12,14,15,16,17, and the quantity of current fuse is identical with the quantity of contactless switch.
As shown in Figure 1, in the preferred embodiment of the present invention, an end of battery charger contactless switch 11 connects current fuse 17, and the other end of current fuse 17 connects DC charging anodal 35 and AC charging positive pole 33; Electric machine controller is connected with an end of preliminary filling resistance 13 for an end of electric contactor 3, and draws interface (being the proper utmost point 25 of electric machine controller high voltage supply) at this end usefulness copper bar 49 as shown in Figure 2 and be connected with electric machine controller; DC/DC links to each other with the other end of preliminary filling resistance 13 for electric contactor 5 one ends, and this end also connects an end of current fuse 14 simultaneously, and the other end of current fuse 14 (DC/DC feeder ear positive pole 27) is connected with the DC/DC conv; Warm braw is connected with current fuse 16 for electric contactor 9 one ends, and the other end of current fuse 16 (warm braw power supply anodal 31) is connected with warm air system; Air-conditioning links to each other with current fuse 15 for electric contactor 7 one ends, and the other end of current fuse 15 (on-board air conditioner feeder ear positive pole 29) is connected with a/c system; Battery charger contactless switch 11, electric machine controller are connected for the other end of electric contactor 5 end with a larger current fuse 12 for electric contactor 3, DC/DC, and the other end of this current fuse 12 is connected with high voltage bus positive pole 37; The one end connection of the current fuse 14 that warm braw is connected for electric contactor 5 for the other end of electric contactor 7 and DC/DC for electric contactor 9, air-conditioning.
In the embodiments of the invention, the control coil two ends of each contactless switch diode all in parallel is used for consuming the self-induced emf that produces when the electromagnetic contactor coil disconnects.The positive pole of each diode links to each other with the negative pole of the coil of its corresponding contact device, and the positive pole of the coil of its corresponding contactless switch of each diode cathode links to each other.Diode 10 positive poles of battery charger contactless switch 11 link to each other with the negative pole of electromagnetic relay control coil, diode 10 negative poles link to each other with an open contact of electromagnetic relay switch 1, the positive pole of while with the control coil of electromagnetic relay 1 links to each other, and draws an external wire as charging control end 18; It is positive 23 as the secondary fire that electric machine controller is directly drawn wire for the negative pole of the diode 2 of electric contactor 3, and another of the positive pole of diode 2 and electromagnetic relay switch 1 organized normally closed contact and be connected; DC/DC links to each other with the negative pole of electromagnetic relay switch 1 coil for diode 4 positive poles of electric contactor 5, the intermediate contact of this group switch that has been connected the diode 10 of battery charger relay 11 in diode 4 negative poles and the electromagnetic relay switch 1 connects, and draws a wire as ACC control end 21 at the normally closed contact end of this group contact; Warm braw links to each other with the negative pole of electromagnetic relay switch 1 coil for the positive pole of the diode 8 of electric contactor 9, and directly draws a wire as warm braw control end 19 from the positive pole of diode 8; Air-conditioning links to each other with the negative pole of electromagnetic relay switch 1 coil for the positive pole of the diode 6 of electric contactor 7, and directly draws a wire as air-conditioning control end 20 from the positive pole of diode 6; Also should directly draw a wire as secondary fire negative 24 for the negative pole of electromagnetic relay switch 1 coil.
This high-voltage power distribution system for electric automobiles is arranged in the high voltage distribution box 53, has the function of certain waterproof and dustproof and high insulation.On one side panel of this splitter box 53 adaptor union with error protection function is installed, this system is connected with peripheral components by adaptor union.As shown in Figure 2, the electric elements of system are fixed on the insulcrete 39, and from left to right electric elements are specially high voltage bus current fuse 12, battery charger contactless switch 11, electric machine controller confession electric contactor 3, DC/DC for electric contactor 5, air-conditioning confession electric contactor 7, warm braw confession electric contactor 9, electromagnetic relay switch 1; All the other four current fuses 14,15,16,17 and preliminary filling resistance 13 and the corresponding corresponding next row that is placed on of contactless switch.
In one embodiment of the present of invention, insulcrete 49 can be placed the bottom surface that is fixed on high voltage distribution box 53, each lead-in wire will be fixed on by adaptor union 54,55,56,57,58,59,60,61 and 62 outside face of high voltage distribution box 53, so just can be connected with corresponding electric system by wire each interface with high-voltage power distribution system for electric automobiles, define simultaneously the function of each interface; Selected high voltage distribution box 53 is seal box, and its IP grade meets related request.
High voltage bus current fuse 12, battery charger contactless switch 11, electric machine controller connect for the parallel connected end copper bar 41 of electric contactor 5 four for electric contactor 3, DC/DC, and DC/DC connects for electric contactor 5 its corresponding current fuse 14 copper bars 46; High voltage bus positive pole 37, high voltage bus negative pole 38, DC charging are rectified the utmost point 35, DC charging end negative pole 36, electric machine controller high voltage supply and are rectified the utmost point 25, electric machine controller high voltage supply end negative pole 26 and adopt six adaptor unions 54,55,56,57(wherein 57 to comprise three adaptor unions) connect, three negative poles are with a copper bar parallel connection; AC charging is rectified the utmost point 33, AC charging end negative pole 34, DC/DC feeder ear positive pole 27, DC/DC feeder ear negative pole 28, air-conditioning feeder ear positive pole 29, air-conditioning feeder ear negative pole 30, warm braw feeder ear anodal 31 and warm braw feeder ear negative pole 32 and is selected four more than or equal to the adaptor union 58,59,60,61 of two cores; Select the adaptor union 62 of seven cores for signal conductor, will be connected with entire car controller, these adaptor unions all are arranged on the front of high voltage distribution box 53.
Each interface on the high-voltage power distribution system for electric automobiles should have the function of error protection, except being total to the negative pole end adaptor union, three high direct voltages can adopt unified model, the model of other 8 adaptor unions all should be different, therefore the selection of adaptor union has 9 kinds of different models at least.
Principle of work of the present invention is: the voltage of control signal is 12V.DC/DC are for electric contactor 5 in ACC control end 21 control, and both control electric machine controller simultaneously for electric contactor 3 preliminary filling feedback end 22 and secondary fire anodal 23, and air-conditioning control end 20 control air-conditionings are for electric contactor 7, and warm braw control end 19 control warm braws are for electric contactor 9.Battery charger contactless switch 11 generally is in off-state, when charging control end 18 gives signal, battery charger contactless switch 11 closures, the magnet coil energising of electromagnetic relay switch 1, so that two groups of normally closed contacts jump on the open contact, this moment, electric machine controller supplied electric contactor 3 owing to its coil blackout disconnects, and DC/DC will be closed for electric contactor 5, continued to power to the DC/DC conv.This device can be realized power battery charging and motor power supply interlocking, and the DC/DC conv all can obtain high voltage supply under motor power supply and power battery charging two states.
Dotted line represents to be total to the high tension cord that negative pole end is connected with high direct voltage in Fig. 1, and namely all high tension cords adopt same negative pole point.Can get from Fig. 1, when battery charger contactless switch 11 closure, electric machine controller can occur disconnecting for the circuit at electric contactor 3 places, therefore both interlockings.When interface ACC control end 21 supplies high level, DC/DC can be closed for electric contactor 5, because air-conditioning links to each other for the end that picks out of electric contactor 5 with DC/DC with the end of warm braw for electric contactor 9 for electric contactor 7, therefore only under the state of DC/DC for electric contactor 5 work, air-conditioning could be worked for electric contactor 9 for electric contactor 7 and warm braw.When analysis chart 1 can get battery charger contactless switch 11 closure, DC/DC also can be closed for electric contactor 5, therefore can get, the DC/DC conv all can be in running order when battery charging and motor power supply, and a/c system and warm air system also can all be worked under two states.
In Fig. 2, provided the structural plan of the inner electric elements of a kind of high tension distribution system, all electric elements all are fixed on the insulcrete 39.Current fuse 12 is supported on the insulcrete 39 by the cylindrical insulated terminal 40 of brown, 51, and current fuse 14,15,16,17 is supported on the insulcrete 39 by red insulated terminal 42,43,44,45,47,48.Current fuse 12, battery charger contactless switch 11, electric machine controller connect by copper bar 41 for the common positive terminal of electric contactor 5 for electric contactor 3, DC/DC, current fuse 12 is connected by copper bar 52 with the anodal feeder ear adaptor union 54 of high voltage bus, current fuse 17 is rectified utmost point adaptor union 55 with DC charging and is connected by copper bar 50, electric machine controller is rectified utmost point adaptor union 56 for electric contactor 3 and electric machine controller high voltage supply and is connected by copper bar 49, and DC/DC is connected by copper bar 46 with current fuse 14 for electric contactor 5.Divide for other circuit connecting section and all to adopt wire to connect, institute's wire diameter that uses is according to the size of current selection of calculating.
In Fig. 3, because high tension distribution system is with extraneous what be connected all is high-tension bus-bar, large electric current, therefore total interface all should have the function of error protection.The electric current that six adaptor unions in the figure pass through is larger, select the adaptor union of the special small electronlmobil of Amphrnol, select altogether four models, the angle of its Anti-misplug is respectively 90 degree, 120 degree, 135 degree, 180 degree, three adaptor unions that wherein are connected with the common negative pole end of high direct voltage (being altogether negative pole end adaptor union 57 of high direct voltage) all adopt 90 degree, and socket is pin type.Adaptor union for lower row, front four since electric current less, therefore can select the general air plug of prestige, AC charging adaptor union 58 is that the jack socket of two cores, the contact pin type socket that DC/DC DC supply adaptor union 45 is two cores, jack socket, the warm braw power-feed connector 64 that air-conditioning power-feed connector 60 is three cores are three core formula contact pin type sockets, and seven apertures in the human head control signal adaptor union 62 can be selected the jack socket of seven cores at prestige Pu.It is anodal defining 1 for this socket, and 2 is negative pole, and an other core of three cores is vacated for subsequent use.
The parameter of selected electric elements in this example is determined according to the calculation of parameter of the vehicle of mating and the selected annex of this car.Rated voltage in the embodiment of the invention is 336V, and the rated current of the electric machine controller that mates is 120A.Vehicle for the coupling different parameters, can be different with accessory parameters according to required voltage on the basis of the embodiment of the invention, calculate the parameter of selecting electric elements, adopt identical location arrangements, select to be fit to the splitter box of size and IP grade, select suitable copper bar, wire to connect, just can obtain needed high tension distribution system.
High-voltage power distribution system for electric automobiles of the present invention can be realized the control to DC charging, AC charging, motor power supply, DC/DC power supply, air-conditioning power supply, warm braw power supply; And can realize charging and the interlocking of motor power supply; Other high-voltage power distribution system for electric automobiles of the present invention, volume is little, is convenient to install, and waterproof and dustproof is better, good insulation preformance.
Should be understood that, for those of ordinary skills, can be improved according to the above description or conversion, and all these improvement and conversion all should belong to the protection domain of claims of the present invention.
Claims (7)
1. a high-voltage power distribution system for electric automobiles is characterized in that, comprises electromagnetic relay switch, and all connected battery charger contactless switch, electric machine controller supply electric contactor for electric contactor and DC/DC; Electric machine controller all is connected with DC/DC confession electric contactor for electric contactor and battery charger contactless switch; The battery charger contactless switch connects the charging control end, and electromagnetic relay switch connects ACC control end and charging control end;
When not receiving the charging signals of charging control end, the battery charger contactless switch is in off-state; When receiving charging control end charging signals, battery charger contactless switch closure is power battery charging, owing to its coil blackout is disconnected, DC/DC will closedly be the power supply of DC/DC conv for electric contactor for electric contactor for the magnet coil energising of electromagnetic relay switch, electric machine controller;
When receiving the actuation signal of ACC control end, the battery charger contactless switch is in off-state, electric machine controller is closed for electric contactor, electrokinetic cell will provide dc high-voltage to electric machine controller, the magnet coil no power of electromagnetism relay switch, but DC/DC still can closedly be the power supply of DC/DC conv for electric contactor.
2. high-voltage power distribution system for electric automobiles according to claim 1, it is characterized in that, this system comprises that also the warm braw that is connected with the warm braw control end is for electric contactor, the air-conditioning that is connected with the air-conditioning control end is for electric contactor, and warm braw is connected the negative pole of the control coil of electric contactor all to be connected with the magnet coil negative pole of electromagnetic relay switch for electric contactor and realizes altogether negative pole of low pressure with air-conditioning.
3. high-voltage power distribution system for electric automobiles according to claim 2, it is characterized in that, battery charger contactless switch, electric machine controller supply control coil two ends diode all in parallel of electric contactor for electric contactor and warm braw for electric contactor, air-conditioning for electric contactor, DC/DC.
4. high-voltage power distribution system for electric automobiles according to claim 3 is characterized in that, DC/DC all is connected with current fuse for electric contactor, warm braw for electric contactor and battery charger contactless switch for electric contactor, air-conditioning.
5. high-voltage power distribution system for electric automobiles according to claim 4, it is characterized in that, this system also comprises altogether negative pole end of high direct voltage, and electric machine controller with battery charger contactless switch is connected negative pole for electric contactor, warm braw for electric contactor for electric contactor, air-conditioning for electric contactor, DC/DC and all is total to negative pole end with high direct voltage and is connected.
6. high-voltage power distribution system for electric automobiles according to claim 5 is characterized in that, the large current interface that is connected with the common negative pole end of high direct voltage connects by copper bar, and its relatively low current interface is by selecting suitable wire to be connected with copper bar.
7. each described high-voltage power distribution system for electric automobiles according to claim 1-6, it is characterized in that, this system is arranged in the splitter box, on the side panel of this splitter box the adaptor union with error protection function is installed, and this system is connected with peripheral components by adaptor union.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104158098A (en) * | 2014-08-19 | 2014-11-19 | 四川永贵科技有限公司 | Electric automobile high voltage distribution box |
| CN104949302A (en) * | 2015-04-22 | 2015-09-30 | 珠海格力电器股份有限公司 | Air conditioner |
| CN108983092A (en) * | 2018-05-31 | 2018-12-11 | 北京新能源汽车股份有限公司 | Wire breaking box device, motor test assembly and motor test method |
| CN113103979A (en) * | 2021-04-13 | 2021-07-13 | 广西玉柴新能源汽车有限公司 | Power supply circuit of refrigerating unit system |
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| CN113103979A (en) * | 2021-04-13 | 2021-07-13 | 广西玉柴新能源汽车有限公司 | Power supply circuit of refrigerating unit system |
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