CN202797637U

CN202797637U - High-voltage distribution box for pure electric vehicle

Info

Publication number: CN202797637U
Application number: CN 201220399590
Authority: CN
Inventors: 刘宁; 李可; 王家雁; 吴明瞭
Original assignee: Dongfeng Automobile Co Ltd
Current assignee: Dongfeng Automobile Co Ltd
Priority date: 2012-08-13
Filing date: 2012-08-13
Publication date: 2013-03-13
Anticipated expiration: 2022-08-13

Abstract

The utility model provides a high voltage distribution box for pure electric vehicles, low voltage control type relay, main contact type relay and protection type device installed in the distribution box, internal connection is carried out between each device, various connectors are arranged on the distribution box body as interfaces with the outside, and the control end of the low voltage control type relay is connected to the low voltage connector on the distribution box body; the contact of the PTC1 relay J14 and the power supply negative D2, the contact of the PTC2 relay J15 and the power supply negative D1, the contact of the air-conditioning relay J12 and the power supply negative D4, and the contact of the accessory relay J13 and the power supply negative D3 are respectively connected with a double-hole high-voltage connector; the two ends of the contact of the motor relay J10, the contact of the pre-charging relay J11 and the contact of the power supply positive and negative relay J16 connected with the charging fuse R6 in parallel are respectively connected with the contact of the motor negative and the contact connected with the battery pack negative, the contact of the charging relay J17, the contact of the motor fuse R1 and the power supply negative connected with the negative relay J16 in parallel are respectively connected with a single-hole high-voltage connector.

Description

A kind of high-voltage power distribution box for pure electric automobile

Technical field

The utility model relates to a kind of high-voltage power distribution box for pure electric automobile, belongs to pure electric automobile high-voltage electric system distribution technique field.

Background technology

At present in the pure electric automobile high-voltage electric system, the electrokinetic cell that mainly comprises power supply is delivered to electric system, charging system, air-conditioning system, PTC heating system, DC/DC low-pressure system, electric boosting steering system, electrodynamic braking system etc. with electric power by distribution devices such as relay, fuses, if directly carry out connection, not only complex structure, and safety is difficult to ensure.

Summary of the invention

The purpose of this utility model be for above-mentioned deficiency provide simple in structure, volume is little, realize easily a kind of high-voltage power distribution box for pure electric automobile of high voltage power distribution and function.

The technical solution of the utility model is achieved in that high-voltage power distribution box for pure electric automobile of the present utility model comprises the block terminal box body, the device that is installed in the block terminal has low voltage control class relay, main contacts class relay and protection class device, carrying out inside according to circuit requirement between each device connects, at the block terminal box body all kinds of connectors conducts and externally fed power supply are set, connecting interface between controller and each electrical appliance, its low voltage control class relay comprises power control relay J1, charge power supply control relay J2, Electric Machine Control relay J 3, preliminary filling control relay J4, air-conditioning control relay J5, annex control relay J6, PTC control relay J7, negative pole control relay J8, charging control relay J9; Main contacts class relay comprises motor relay J10, preliminary filling relay J 11, AIR COND RLY Air Conditioner Relay J12, annex relay J 13, PTC1 relay J 14, PTC2 relay J 15, negative pole relay J 16, charge relay J17; Protection class device comprises preliminary filling resistance R, motor fuse R1, air-conditioning fuse R2, annex fuse R3, PTC1 fuse R4, PTC2 fuse R5, charging fuse R6; The control end of low voltage control class relay is connected respectively to the low pressure connector is set on the block terminal box body; The contact J14K of PTC1 relay J 14 and power-D2 are connected to the first diplopore high-voltage connector; The contact J15K of PTC2 relay J 15 and power-D1 are connected to the second diplopore high-voltage connector; The contact J12K of AIR COND RLY Air Conditioner Relay J12 and power-D4 are connected to the 3rd diplopore high-voltage connector; The contact J13K of annex relay J 13 and power-D3 are connected to the 4th diplopore high-voltage connector; The positive contact J11K of power supply of motor relay J10 contact, preliminary filling relay J 11 contacts and charging fuse R6 parallel connection is connected to the 3rd single hole high-voltage connector; Meeting respectively the negative contact J16K1 of motor and meeting the negative contact J16K2 of power brick of the two ends, contact of negative pole relay J 16 is connected respectively to the first single hole high-voltage connector and the 4th single hole high-voltage connector; The contact J17K of charge relay J17 is connected to the 5th single hole high-voltage connector; The contact R 1C of motor fuse R1 is connected to the 6th single hole high-voltage connector; The power-tie point D5 that is connected in parallel on the contact of negative pole relay J 16 is connected to the second single hole high-voltage connector.

Advantage of the present utility model: the utility model has not only possessed the repertoire of former high-tension line, and have simple in structure, sealing reliability is high, volume is little, use and keep in repair the advantage safe, easy to operate, that integration is high.

Block terminal of the present utility model can be realized by screw bolt and nut the switching of lid, makes lid and box body overall separation, makes things convenient for the inspection operation under the small space.Characteristics with compact conformation, convenient maintenance.

Description of drawings

Fig. 1 is circuit of the present utility model and external interface schematic diagram.

Fig. 2 is block terminal structural representation of the present utility model.

Fig. 3 is that circuit of the present utility model reaches the control schematic diagram.

Embodiment

Further specify the utility model below in conjunction with accompanying drawing.

Such as Fig. 1, Fig. 2:

A kind of high-voltage power distribution box for pure electric automobile of the present utility model comprises the block terminal box body, the device that is installed in the block terminal has low voltage control class relay, main contacts class relay and protection class device, carrying out inside according to circuit requirement between each device connects, at the block terminal box body all kinds of connectors conducts and externally fed power supply are set, connecting interface between controller and each electrical appliance is characterized in that: low voltage control class relay comprises power control relay J1, charge power supply control relay J2, Electric Machine Control relay J 3, preliminary filling control relay J4, air-conditioning control relay J5, annex control relay J6, PTC control relay J7, negative pole control relay J8, charging control relay J9; Main contacts class relay comprises motor relay J10, preliminary filling relay J 11, AIR COND RLY Air Conditioner Relay J12, annex relay J 13, PTC1 relay J 14, PTC2 relay J 15, negative pole relay J 16, charge relay J17; Protection class device comprises preliminary filling resistance R, motor fuse R1, air-conditioning fuse R2, annex fuse R3, PTC1 fuse R4, PTC2 fuse R5, charging fuse R6; The control end of low voltage control class relay is connected respectively to low pressure connector 2a is set on the block terminal box body; The contact J14K of PTC1 relay J 14 and power-D2 are connected to the first diplopore high-voltage connector 2b; The contact J15K of PTC2 relay J 15 and power-D1 are connected to the second diplopore high-voltage connector 2c; The contact J12K of AIR COND RLY Air Conditioner Relay J12 and power-D4 are connected to the 3rd diplopore high-voltage connector 2d; The contact J13K of annex relay J 13 and power-D3 are connected to the 4th diplopore high-voltage connector 2e; The positive contact J11K of power supply of motor relay J10 contact, preliminary filling relay J 11 contacts and charging fuse R6 parallel connection is connected to the 3rd single hole high-voltage connector 2h; Meeting respectively the negative contact J16K1 of motor and meeting the negative contact J16K2 of power brick of the two ends, contact of negative pole relay J 16 is connected respectively to the first single hole high-voltage connector 2f and the 4th single hole high-voltage connector 2i; The contact J17K of charge relay J17 is connected to the 5th single hole high-voltage connector 2j; The contact R 1C of motor fuse R1 is connected to the 6th single hole high-voltage connector 2k; The power-tie point D5 that is connected in parallel on the contact of negative pole relay J 16 is connected to the second single hole high-voltage connector 2g.

The control end of low voltage control class relay comprises: the control end J3X of Electric Machine Control relay J 3 coils, the control end J4X of preliminary filling control relay J4 coil, the control end J9X of charging control relay J9 coil, the control end J6X of annex control relay J6 coil, the control end J8X of main negative control relay J 8 coils, control end J5X1 and the J5X2 at air-conditioning control relay J5 coil two ends, the J7X of PTC control relay J7 coil, the control end J10K that motor relay J10 contact connects, the coil control end J1K of the contact of power supply normally closed relay J1 and charge power supply normally closed relay J2, the contact control end J2K of power supply normally closed relay J1 coil and charge power supply normally closed relay J2, the coil earth terminal of each relay and vehicle body earth terminal V0, the control end J14X of PTC1 relay J 14 coils, the control end J15X of PTC2 relay J 15 coils, the contact control end J7K of PTC control relay J7.

Fig. 3 is that circuit of the present utility model reaches the control schematic diagram:

During assembling, plug receptacle J11K is connected with the positive pole of high-tension battery bag; Plug receptacle J10K connects the electric machine controller contact feedback pin of entire car controller; The J16K of power-, D1, D2, D3, six plug receptacles of D4, D5 are connected with the negative pole of the high pressure electrical appliances such as electric machine controller, PTC2 heater, PTC1 heater, DC/DC transducer, air-conditioner controller, dc charging motor respectively; Plug receptacle R1C connects the high-voltage positive electrode of electric machine controller; Plug receptacle J17K connects the high-voltage positive electrode of dc charging motor; Plug receptacle J16K is connected with the negative pole of high-tension battery bag; Plug receptacle J15K connects the high-voltage positive electrode of PTC2; Plug receptacle J15X is connected with the PTC2 switching signal; Plug receptacle J14K connects the high-voltage positive electrode of PTC1; Plug receptacle J14X is connected with the PTC1 switching signal; Plug receptacle J13K connects the high-voltage positive electrode of DC transducer; Plug receptacle J12K connects the high-voltage positive electrode of air-conditioner controller; Plug receptacle J1K is connected with ignition lock ON shelves; Plug receptacle J2K connects the 24V positive pole of dc charger; Plug receptacle J3X, J4X, J5X1 are connected pin with AIR COND RLY Air Conditioner Relay and are connected with motor relay control, the preliminary filling Control of entire car controller respectively; Plug receptacle J5X2 is connected with the A/C switching signal; Plug receptacle J6X, J7X are connected with PTC Control pin with the annex Control of entire car controller respectively; Plug receptacle J7K is connected with the blower switch signal; Plug receptacle J8X, J9X are connected pin with the negative Control of the master of entire car controller with charge relay respectively and are connected; Plug receptacle V0 connects body earth.

When pure electric automobile began to start, the output current of high-tension battery bag was dispensed to corresponding high pressure electricity consumption device by each the branch supply control system in the block terminal, guaranteed the normal operation of high pressure electricity consumption device.

Claims

1. high-voltage power distribution box for pure electric automobile, comprise the block terminal box body, the device that is installed in the block terminal has low voltage control class relay, main contacts class relay and protection class device, carrying out inside according to circuit requirement between each device connects, at the block terminal box body all kinds of connectors conducts and externally fed power supply are set, connecting interface between controller and each electrical appliance is characterized in that: low voltage control class relay comprises power control relay J1, charge power supply control relay J2, Electric Machine Control relay J 3, preliminary filling control relay J4, air-conditioning control relay J5, annex control relay J6, PTC control relay J7, negative pole control relay J8, charging control relay J9; Main contacts class relay comprises motor relay J10, preliminary filling relay J 11, AIR COND RLY Air Conditioner Relay J12, annex relay J 13, PTC1 relay J 14, PTC2 relay J 15, negative pole relay J 16, charge relay J17; Protection class device comprises preliminary filling resistance R, motor fuse R1, air-conditioning fuse R2, annex fuse R3, PTC1 fuse R4, PTC2 fuse R5, charging fuse R6; The control end of low voltage control class relay is connected respectively to low pressure connector (2a) is set on the block terminal box body; The contact J14K of PTC1 relay J 14 and power-D2 are connected to the first diplopore high-voltage connector (2b); The contact J15K of PTC2 relay J 15 and power-D1 are connected to the second diplopore high-voltage connector (2c); The contact J12K of AIR COND RLY Air Conditioner Relay J12 and power-D4 are connected to the 3rd diplopore high-voltage connector (2d); The contact J13K of annex relay J 13 and power-D3 are connected to the 4th diplopore high-voltage connector (2e); The positive contact J11K of power supply of motor relay J10 contact, preliminary filling relay J 11 contacts and charging fuse R6 parallel connection is connected to the 3rd single hole high-voltage connector (2h); Meeting respectively the negative contact J16K1 of motor and meeting the negative contact J16K2 of power brick of the two ends, contact of negative pole relay J 16 is connected respectively to the first single hole high-voltage connector (2f) and the 4th single hole high-voltage connector (2i); The contact J17K of charge relay J17 is connected to the 5th single hole high-voltage connector (2j); The contact R 1C of motor fuse R1 is connected to the 6th single hole high-voltage connector (2k); The power-tie point D5 that is connected in parallel on the contact of negative pole relay J 16 is connected to the second single hole high-voltage connector (2g).