CN106740129B - A kind of interlock circuit for electric vehicle loop - Google Patents
A kind of interlock circuit for electric vehicle loop Download PDFInfo
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- CN106740129B CN106740129B CN201611127548.8A CN201611127548A CN106740129B CN 106740129 B CN106740129 B CN 106740129B CN 201611127548 A CN201611127548 A CN 201611127548A CN 106740129 B CN106740129 B CN 106740129B
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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
- B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
- B60L3/0023—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train
-
- 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
- B60L3/04—Cutting off the power supply under fault conditions
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- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The invention discloses a kind of interlock circuits and its control method for electric vehicle loop, belong to electric vehicle circuit field.Interlock circuit includes battery loop, electric machine controller loop, charger loop, DCDC loops, compressor of air conditioner loop and PTC loops, and battery loop includes battery management module；Charger loop includes charger control module；Direct current transducer loop includes direct current transducer controller；Compressor of air conditioner loop includes air conditioner compressed machine controller；Heater loop includes heater controller；Electric machine controller loop includes electric machine controller module, and battery management module, charger control module, direct current transducer controller, air conditioner compressed machine controller, heater controller and electric machine controller module are electrically connected with the entire car controller of electric vehicle respectively.Energy accurate judgement defective device of the invention.
Description
Technical field
The invention belongs to electric vehicle circuit fields, more particularly to a kind of interlock circuit for electric vehicle loop.
Background technology
With the development of auto industry, electric vehicle is widely used because of its advantage with environmental protection and energy saving.
Since electric vehicle is using high voltage electric energy as drive energy, so the Electrical Safety problem of electric vehicle is constantly subjected to the pass of people
Note.
It in electric vehicle, is generally connected by connector between two high tension apparatus, the disconnection once connector falls off, it will
The risk that can have electric leakage, threatens to the safety of occupant or service personnel.In order to solve this problem, it will usually will
The connector of multiple high tension apparatus is linked to be an interlock circuit by low voltage wiring harness series connection, once one of connector occurs to break
Road failure, then entire interlock circuit will be powered down, so as to avoid the generation of electric leakage.
However, for this method, after disconnection fault occurs, service personnel can not fast and accurately judge it is interlocking
Failure has occurred in which of circuit connector, can only investigate one by one, wastes a large amount of working hour.
Invention content
In order to solve the problems, such as to be unable to judge accurately defective device, an embodiment of the present invention provides one kind being used for electric vehicle
The interlock circuit of loop.The technical solution is as follows：
An embodiment of the present invention provides a kind of interlock circuits for electric vehicle loop, and the interlock circuit includes battery
Loop, electric machine controller loop, charger loop, direct current transducer loop, compressor of air conditioner loop and heater loop,
The battery loop includes battery management module, fast charge connector, electric discharge connector and trickle charge connector, the electricity
Pond management module is for monitoring whether the fast charge connector, electric discharge connector and trickle charge connector disconnect, the battery management
Module is electrically connected with the entire car controller of electric vehicle；
The charger loop includes charger control module, charger out connector and charger input connector,
The charger control module is used to monitor the charger out connector and whether the charger input connector disconnects,
The charger control module is electrically connected with the entire car controller；
The direct current transducer loop includes direct current transducer controller and direct current transducer connector, the direct current conversion
Device controller is for monitoring whether the direct current transducer connector disconnects, the direct current transducer controller and the vehicle control
Device electrical connection processed；
The compressor of air conditioner loop includes air conditioner compressed machine controller and compressor of air conditioner connector, described air conditioner compressed
Machine controller is for monitoring whether the compressor of air conditioner connector disconnects, the air conditioner compressed machine controller and the vehicle control
Device electrical connection processed；
The heater loop includes heater controller and heater connectors, and the heater controller is for monitoring
Whether the heater connectors disconnect, and the heater controller is electrically connected with the entire car controller；
The electric machine controller loop includes electric machine controller module, electric machine controller connector, described straight for connecting
First connector of stream transformer connector, the second connector for connecting the compressor of air conditioner connector and for connecting
The third connector of the heater connectors, the electric machine controller module for monitor the electric machine controller connector,
Whether first connector, second connector and the third connector disconnect, the electric machine controller module and institute
State entire car controller electrical connection；
The fast charge connector, the electric discharge connector, the trickle charge connector, the charger out connector, institute
State charger input connector, the direct current transducer connector, the compressor of air conditioner connector, heater connection
Device, the electric machine controller connector, first connector, second connector and the third connector include using
In the interlocking structure of the cable connector of connecting electric automobile loop, each interlocking structure includes the first interlocking terminal pins
With the second interlocking terminal pins, the first interlocking terminal pins are used to connect the one of the first short circuit piece pin of the cable connector
End, the second interlocking terminal pins are used to connect one end of the second short circuit piece pin of the cable connector, the first short circuit piece
The other end of pin is connected with the other end of the second short circuit piece pin, when the interlocking structure connects with the corresponding cable
Head docking when, it is described first interlocking terminal pins connect with the first short circuit piece pin, it is described second interlocking terminal pins with
The second short circuit piece pin connection, when the interlocking structure is disconnected with the corresponding cable connector, first interlocking
Terminal pins and the first short circuit piece pin disconnect, and the second interlocking terminal pins and the second short circuit piece pin are disconnected
It opens.
In another realization method of the present invention, the battery management module includes two pins, the battery management
First pin of module is connect with the first interlocking terminal pins of the fast charge connector, the second interlocking of the fast charge connector
Terminal pins are connect with the first interlocking terminal pins of the electric discharge connector, and the second interlocking terminal of the electric discharge connector draws
Foot is connect with the first interlocking terminal pins of the trickle charge connector, the second interlocking terminal pins of the trickle charge connector and institute
State the second pin connection of battery management module.
In another realization method of the present invention, the charger control module includes two pins, the charger
First pin of control module is connect with the first interlocking terminal pins of the charger out connector, the charger output
Second interlocking terminal pins of connector are connect with the first interlocking terminal pins of the charger input connector, the charging
Second interlocking terminal pins of machine input connector are connect with the second pin of the charger control module.
In another realization method of the present invention, the direct current transducer controller includes two pins, the direct current
First pin of converter controller is connect with the first interlocking terminal pins of the direct current transducer connector, and the direct current turns
Second interlocking terminal pins of parallel operation connector are connect with the second pin of the direct current transducer controller.
In another realization method of the present invention, the air conditioner compressed machine controller includes two pins, the air-conditioning
First pin of compressor controller is connect with the first interlocking terminal pins of the compressor of air conditioner connector, the air-conditioning pressure
Second interlocking terminal pins of contracting machine connector are connect with the second pin of the air conditioner compressed machine controller.
In another realization method of the present invention, the heater controller includes two pins, the heater control
First pin of device processed is connect with the first interlocking terminal pins of the heater connectors, and the second of the heater connectors
Interlocking terminal pins are connect with the second pin of the heater controller.
In another realization method of the present invention, the electric machine controller module includes two pins, the motor control
First pin of device module processed is connect with the first interlocking terminal pins of first connector, and the second of first connector
Interlocking terminal pins are connect with the first interlocking terminal pins of second connector, the second interlock end of second connector
Sub- pin is connect with the first interlocking terminal pins of the third connector, the second interlocking terminal pins of the third connector
It is connect with the first interlocking terminal pins of the electric machine controller connector, the second interlock end of the electric machine controller connector
Sub- pin is connect with the second pin of the electric machine controller module.
It is the battery management module, the charger control module, described straight in another realization method of the present invention
Stream transformer controller, the air conditioner compressed machine controller, the heater controller and the electric machine controller module are logical
The CAN bus for crossing the electric vehicle is electrically connected with the entire car controller.
In another realization method of the present invention, the interlock circuit further includes alarm module, and the alarm module is used
In in the battery loop, the electric machine controller loop, the charger loop, the direct current transducer loop, the sky
Alarm is sent out when compressor loop or the heater loop being adjusted to disconnect, the alarm unit is electrically connected with the entire car controller
It connects.
The advantageous effect that technical solution provided in an embodiment of the present invention is brought is：
In the work of interlock circuit that the embodiment of the present invention is provided, by battery management module monitor fast charge connector,
Whether electric discharge connector and trickle charge connector disconnect, and charger out connector and charger are monitored by charger control module
Whether whether input connector disconnects, disconnected by direct current transducer monitoring control devices direct current transducer connector, pass through air-conditioning
Whether compressor controller monitoring compressor of air conditioner connector disconnects, and whether heater connectors are monitored by heater controller
It disconnects, passes through electric machine controller module monitors electric machine controller connector, the first connector, the electric machine controller of electric machine controller
The second connector and the third connector of electric machine controller whether disconnect, when battery management module, charger control module, straight
When stream transformer controller, air conditioner compressed machine controller, heater controller and electric machine controller module monitors are to disconnection failure,
Signal will be sent out to entire car controller, so that service personnel can accurately judge specific failure ring by entire car controller
Road, to save a large amount of working hour.
Description of the drawings
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, other are can also be obtained according to these attached drawings
Attached drawing.
Fig. 1 is the connection block diagram of high tension apparatus provided in an embodiment of the present invention；
Fig. 2 is the connection diagram of battery loop provided in an embodiment of the present invention；
Fig. 3 is the connection diagram of charger loop provided in an embodiment of the present invention；
Fig. 4 is direct current transducer loop, compressor of air conditioner loop, heater loop and motor provided in an embodiment of the present invention
The connection diagram of controller loop；
Fig. 5 is the CAN network topological diagram of interlock circuit provided in an embodiment of the present invention；
Fig. 6 is the partial structural diagram of interlocking structure provided in an embodiment of the present invention.
Specific implementation mode
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached drawing to embodiment party of the present invention
Formula is described in further detail.
Embodiment
An embodiment of the present invention provides a kind of interlock circuit for electric vehicle loop, which is suitable for electronic
The high tension apparatus loop of automobile, the electricity consumption loop of the high tension apparatus of high tension apparatus loop, that is, electric vehicle,
Fig. 1 is the connection block diagram of high tension apparatus, as shown in Figure 1, high tension apparatus may include battery 1, charger 2, motor
Controller 3 (Microcontroller Unit, MCU), compressor of air conditioner 4, (the Positive Temperature of heater 5
Coefficient, PTC) and direct current transducer 6.Also, trickle charge interface 7 is connect by charger 2 with battery 1, fast charge interface 8
Directly it is connect with battery 1, to realize the quick charge of battery 1 and charge at a slow speed, the power distribution module 9 of electric vehicle
(Power Distribution Unit, PDU) is integrated in electric machine controller 3, so that the structure of electric vehicle is more tight
It gathers.
In the present embodiment, which includes battery loop 100, electric machine controller loop 600, charger loop
200, direct current transducer loop 300, compressor of air conditioner loop 400 and heater loop 500.
Fig. 2 is the connection diagram of battery loop, and referring to Fig. 2, battery loop 100 includes battery management module 110, fast charge
Connector 120, electric discharge connector 130 and trickle charge connector 140, battery management module 110 for monitor fast charge connector 120,
Whether electric discharge connector 130 and trickle charge connector 140 disconnect, the entire car controller electricity of battery management module 110 and electric vehicle
Connection.
Specifically, fast charge connector 120, electric discharge connector 130 and trickle charge connector 140 can be connected on cell tube together
It manages in module 110, to form battery loop 100.
Fig. 3 is the connection diagram of charger loop, and referring to Fig. 3, charger loop 200 includes charger control module
210, charger out connector 220 and charger input connector 230, charger control module 210 is for monitoring charger
Whether out connector 220 and charger input connector 230 disconnect, and charger control module 210 is electrically connected with entire car controller
It connects.
Specifically, charger out connector 220 and charger input connector 230 can be connected on charger control together
On molding block 210, to form charger loop 200.
Fig. 4 is that the connection of direct current transducer loop, compressor of air conditioner loop, heater loop and electric machine controller loop is shown
It is intended to, referring to Fig. 4, direct current transducer loop 300 includes direct current transducer controller 310 and direct current transducer connector 320, directly
Stream transformer controller 310 for monitoring whether direct current transducer connector 320 disconnects, direct current transducer controller 310 with it is whole
Vehicle controller is electrically connected.
Specifically, direct current transducer connector 320 is connect with direct current transducer controller 310, to form direct current conversion
Device loop 300.
Compressor of air conditioner loop 400 includes air conditioner compressed machine controller 410 and compressor of air conditioner connector 420, air-conditioning pressure
Contracting machine controller 410 is for monitoring whether compressor of air conditioner connector 420 disconnects, air conditioner compressed machine controller 410 and vehicle control
Device electrical connection processed.
Specifically, compressor of air conditioner connector 420 is connect with air conditioner compressed machine controller 410, air conditioner compressed to be formed
Machine loop 400.
Heater loop 500 includes heater controller 510 and heater connectors 520, and heater controller 510 is used for
Whether monitoring heater connectors 520 disconnect, and heater controller 510 is electrically connected with entire car controller.
Specifically, heater connectors 520 are connect with heater controller 510, to form heater loop 500.
Electric machine controller loop 600 includes electric machine controller module 610, electric machine controller connector 620, for connecting directly
First connector 630 of stream transformer connector 320,640 and of the second connector for connecting compressor of air conditioner connector 420
Third connector 650 for connecting heater connectors, electric machine controller module 610 is for monitoring electric machine controller connector
620, whether the first connector 630, the second connector 640 and third connector 650 disconnect, electric machine controller module 610 with it is whole
Vehicle controller is electrically connected.
Specifically, electric machine controller connector 620, the first connector 630, the second connector 640 and third connector 650
It is connected on together in electric machine controller module 610, to form electric machine controller loop 600.
In above-mentioned realization method, electric machine controller module 610 can be electric machine controller control panel, including microcontroller
With IGBT (Insulated Gate Bipolar Transistor, insulated gate bipolar transistor).
It should be noted that battery loop 100, electric machine controller loop 600, charger loop 200, direct current transducer ring
What is be connected in road 300, compressor of air conditioner loop 400 and heater loop 500 is low pressure electric signal.
In the interlock circuit work that the embodiment of the present invention is provided, fast charge connection is monitored by battery management module 110
Whether device 120, electric discharge connector 130 and trickle charge connector 140 disconnect, and it is defeated to monitor charger by charger control module 210
Go out connector 220 and whether charger input connector 230 disconnects, direct current conversion is monitored by direct current transducer controller 310
Whether device connector 320 disconnects, and monitors whether compressor of air conditioner connector 420 disconnects by air conditioner compressed machine controller 410, leads to
It crosses heater controller 510 and monitors whether heater connectors 520 disconnect, motor control is monitored by electric machine controller module 610
The second connector 640 and electric machine controller of device connector 620 processed, the first connector 630 of electric machine controller, electric machine controller
Third connector 650 whether disconnect, when battery management module 110, charger control module 210, direct current transducer controller
It 310, will when air conditioner compressed machine controller 410, heater controller 510 and electric machine controller module 610 monitor to disconnect failure
Signal is sent out to entire car controller, so that service personnel can accurately judge specific failure ring by entire car controller
Road, to save a large amount of working hour.
Also, due to battery management module 110, fast charge connector 120, electric discharge connector 130 and 140 structure of trickle charge connector
At the battery loop 100 of an entirety, so that fast charge connector 120, electric discharge connector 130 and trickle charge connector 140 are not
It needs respective individually extraction wire to be connect respectively with battery management module 110, and then reduces leading in battery management module 110
Line contact, reduces failure rate.Correspondingly, electric machine controller loop 600, charger loop 200, direct current transducer loop 300,
Compressor of air conditioner loop 400 and heater loop 500, same advantageous effect having the same, therefore not to repeat here.
Fig. 5 is the CAN network topological diagram of interlock circuit, and referring to Fig. 5, in the present embodiment, battery management module 110 is filled
Motor control module 210, direct current transducer controller 310, air conditioner compressed machine controller 410, heater controller 510 and motor
Controller module 610 is electrically connected by the CAN bus of electric vehicle with entire car controller, to be conducive to the whole of electric vehicle
Body cabling.
In the present embodiment, fast charge connector 120, electric discharge connector 130, trickle charge connector 140, charger output connection
Device 220, charger input connector 230, direct current transducer connector 320, compressor of air conditioner connector 420, heater connection
Device 520, electric machine controller connector 620, the first connector 630, the second connector 640 and third connector 650 include using
In the interlocking structure 700 (referring to Fig. 6) of the cable connector 800 of connecting electric automobile loop, each interlocking structure 700 includes the
One interlocking terminal pins 710 and second interlock terminal pins 720, and the first interlocking terminal pins 710 are used for connecting cable connector 800
The first short circuit piece pin 810 one end, second interlocking terminal pins 720 be used for connecting cable connector 800 the second short circuit piece
The other end of one end of pin 820, the other end of the first short circuit piece pin 810 and the second short circuit piece pin 820 connects, and works as interlocking
When structure 700 is docked with corresponding cable connector 800, the first interlocking terminal pins 710 and the connection of the first short circuit piece pin 810,
Second interlocking terminal pins 720 and the connection of the second short circuit piece pin 820, when interlocking structure 700 is disconnected with corresponding cable connector 800
When opening, the first interlocking terminal pins 710 and the first short circuit piece pin 810 disconnect, the second interlocking terminal pins 720 and the second short circuit
Piece pin 820 disconnects.
In above-mentioned realization method, cable connector can be the connector of the cable for connecting other electricity consumption devices, such as
The cable etc. of charging interface for connecting fast charge connector 120 and electric vehicle.
Referring again to Fig. 2, in the present embodiment, battery management module 110 includes two pins, battery management module 110
The first interlocking terminal pins 121 of the first pin 111 and fast charge connector 120 connect, the second of fast charge connector 120 interlocks
Terminal pins 122 are connect with the first interlocking terminal pins 131 of electric discharge connector 130, the second interlock end of the connector 130 that discharges
Sub- pin 132 is connect with the first interlocking terminal pins 141 of trickle charge connector 140, the second interlocking terminal of trickle charge connector 140
Pin 142 is connect with the second pin 112 of battery management module 110.
It following is a brief introduction of the interlocking principle of battery loop 100：
When battery loop 100 works normally, the first pin 111 of battery management module 110 sends out high level signal, by
It is fitted with corresponding cable connector 800 in firm on fast charge connector 120, electric discharge connector 130 and trickle charge connector 140,
So the first interlocking terminal pins and the second interlock end of fast charge connector 120, electric discharge connector 130 and trickle charge connector 140
Sub- pin passes through corresponding first short circuit piece pin and the connection of the second short circuit piece pin so that the of battery management module 110
Two pins 112 can receive the high level signal, show that battery loop 100 works normally；When fast charge connector 120, electric discharge
One or more of connector 130 and trickle charge connector 140 with the firm inserting of corresponding cable connector 800, do not lead to the
One interlocking terminal pins and the second interlocking terminal pins cannot pass through corresponding first short circuit piece pin and the second short circuit piece pin
Connection so that the second pin 112 of battery management module 110 does not receive high level signal, shows that event occurs for battery loop 100
Barrier, at this point, battery management module 110 sends out indicating fault by CAN bus to full-vehicle control module.
It should be noted that service personnel can also be sent out by the reading of automobile computer detector with full-vehicle control module
The corresponding error code of indicating fault, consequently facilitating the maintenance activity of service personnel.
Referring again to Fig. 3, in the present embodiment, charger control module 210 includes two pins, charger control module
210 the first pin 211 is connect with the first interlocking terminal pins 221 of charger out connector 220, charger output connection
Second interlocking terminal pins 222 of device 220 are connect with the first interlocking terminal pins 231 of charger input connector 230, are charged
Second interlocking terminal pins 232 of machine input connector 230 are connect with the second pin 212 of charger control module 210.
The interlocking principle of charger loop 200 and battery loop 100 are essentially identical, and this will not be repeated here.
Referring again to Fig. 4, in the present embodiment, direct current transducer controller includes 310 two pins, direct current transducer control
First pin 311 of device 310 processed is connect with the first interlocking terminal pins 321 of direct current transducer connector 320, direct current transducer
Second interlocking terminal pins 322 of connector 320 are connect with the second pin 312 of direct current transducer controller 310.
The interlocking principle of direct current transducer loop 300 and battery loop 100 are essentially identical, and this will not be repeated here.
In the present embodiment, air conditioner compressed machine controller 410 includes two pins, and the of air conditioner compressed machine controller 410
One pin 411 connect 421 with the first interlocking terminal pins of compressor of air conditioner connector 420, compressor of air conditioner connector 420
Second interlocking terminal pins 422 are connect with the second pin 412 of air conditioner compressed machine controller 410.
The interlocking principle of compressor of air conditioner loop 400 and battery loop 100 are essentially identical, and this will not be repeated here.
In the present embodiment, heater controller 510 includes two pins, the first pin 511 of heater controller 510
It is connect with the first interlocking terminal pins 521 of heater connectors 520, the second interlocking terminal pins of heater connectors 520
522 connect with the second pin 512 of heater controller 510.
The interlocking principle of heater loop 500 and battery loop 100 are essentially identical, and this will not be repeated here.
In the present embodiment, electric machine controller module 610 includes two pins, and the first of electric machine controller module 610 draws
Foot 611 is connect with the first interlocking terminal pins 631 of the first connector 630, the second interlocking terminal pins of the first connector 630
632 connect with the first interlocking terminal pins 641 of the second connector 640, the second interlocking terminal pins of the second connector 640
642 connect with the first interlocking terminal pins 651 of third connector 650, the second interlocking terminal pins of third connector 650
652 connect with the first interlocking terminal pins 621 of electric machine controller connector 620, and the second of electric machine controller connector 620 is mutual
Lock terminal pins 622 are connect with the second pin 612 of electric machine controller module 610.
In the present embodiment, interlock circuit further includes alarm module, and alarm module is used in battery loop 100, motor control
Device loop 600, charger loop 200, direct current transducer loop 300, compressor of air conditioner loop 400 or heater loop 500 processed
Alarm is sent out when disconnecting and (open circuit fault occurs), alarm unit is electrically connected with entire car controller.
In above-mentioned realization method, when battery loop 100 or the generation open circuit fault of electric machine controller loop 600, vehicle
Controller stops the vehicle power supply of electric vehicle.
When charger loop 200, direct current transducer loop 300, compressor of air conditioner loop 400 or heater loop 500 are sent out
When raw open circuit fault, entire car controller stops the power supply of the loop to break down.
In above-mentioned realization method, due to the severity phase not to the utmost of security risk caused by different loop faults
Together, it is possible to according to the difference of the loop to break down, different processing modes is accordingly taken, so that interlock circuit is more
It is flexible.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention.
Claims (9)
1. a kind of interlock circuit for electric vehicle loop, which is characterized in that the interlock circuit includes battery loop, motor
Controller loop, charger loop, direct current transducer loop, compressor of air conditioner loop and heater loop,
The battery loop includes battery management module, fast charge connector, electric discharge connector and trickle charge connector, the cell tube
Reason module is for monitoring whether the fast charge connector, electric discharge connector and trickle charge connector disconnect, the battery management module
It is electrically connected with the entire car controller of electric vehicle；
The charger loop includes charger control module, charger out connector and charger input connector, described
Charger control module is used to monitor the charger out connector and whether the charger input connector disconnects, described
Charger control module is electrically connected with the entire car controller；
The direct current transducer loop includes direct current transducer controller and direct current transducer connector, the direct current transducer control
Device processed is for monitoring whether the direct current transducer connector disconnects, the direct current transducer controller and the entire car controller
Electrical connection；
The compressor of air conditioner loop includes air conditioner compressed machine controller and compressor of air conditioner connector, the compressor of air conditioner control
Device processed is for monitoring whether the compressor of air conditioner connector disconnects, the air conditioner compressed machine controller and the entire car controller
Electrical connection；
The heater loop includes heater controller and heater connectors, and the heater controller is described for monitoring
Whether heater connectors disconnect, and the heater controller is electrically connected with the entire car controller；
The electric machine controller loop includes electric machine controller module, electric machine controller connector, turns for connecting the direct current
First connector of parallel operation connector, the second connector for connecting the compressor of air conditioner connector and described for connecting
The third connector of heater connectors, the electric machine controller module is for monitoring the electric machine controller connector, described
Whether the first connector, second connector and the third connector disconnect, the electric machine controller module with it is described whole
Vehicle controller is electrically connected；
The fast charge connector, the trickle charge connector, the charger out connector, described fills the electric discharge connector
Motor input connector, the direct current transducer connector, the compressor of air conditioner connector, the heater connectors, institute
It includes for connecting to state electric machine controller connector, first connector, second connector and the third connector
The interlocking structure of the cable connector of electric vehicle loop is connect, each interlocking structure includes the first interlocking terminal pins and the
Two interlocking terminal pins, the first interlocking terminal pins are used to connect one end of the first short circuit piece pin of the cable connector, the
Two interlocking terminal pins are used to connect one end of the second short circuit piece pin of the cable connector, the first short circuit piece pin
The other end is connected with the other end of the second short circuit piece pin, when the interlocking structure is docked with the corresponding cable connector
When, the first interlocking terminal pins connects with the first short circuit piece pin, and described second interlocks terminal pins and described the
Two short circuit piece pins connect, and when the interlocking structure is disconnected with the corresponding cable connector, the first interlocking terminal draws
Foot and the first short circuit piece pin disconnect, and the second interlocking terminal pins and the second short circuit piece pin disconnect.
2. interlock circuit according to claim 1, which is characterized in that the battery management module includes two pins, institute
The first pin for stating battery management module is connect with the first interlocking terminal pins of the fast charge connector, the fast charge connector
Second interlocking terminal pins with it is described electric discharge connector first interlocking terminal pins connect, it is described discharge connector second
Interlocking terminal pins are connect with the first interlocking terminal pins of the trickle charge connector, the second interlock end of the trickle charge connector
Sub- pin is connect with the second pin of the battery management module.
3. interlock circuit according to claim 1, which is characterized in that the charger control module includes two pins,
First pin of the charger control module is connect with the first interlocking terminal pins of the charger out connector, described
Second interlocking terminal pins of charger out connector and the first interlocking terminal pins of the charger input connector connect
It connects, the second interlocking terminal pins of the charger input connector are connect with the second pin of the charger control module.
4. interlock circuit according to claim 1, which is characterized in that the direct current transducer controller draws including two
Foot, the first pin of the direct current transducer controller and the first interlocking terminal pins of the direct current transducer connector connect
It connects, the second interlocking terminal pins and the second pin of the direct current transducer controller of the direct current transducer connector connect
It connects.
5. interlock circuit according to claim 1, which is characterized in that the air conditioner compressed machine controller draws including two
Foot, the first pin of the air conditioner compressed machine controller and the first interlocking terminal pins of the compressor of air conditioner connector connect
It connects, the second interlocking terminal pins and the second pin of the air conditioner compressed machine controller of the compressor of air conditioner connector connect
It connects.
6. interlock circuit according to claim 1, which is characterized in that the heater controller includes two pins, institute
The first pin for stating heater controller is connect with the first interlocking terminal pins of the heater connectors, and the heater connects
The the second interlocking terminal pins for connecing device are connect with the second pin of the heater controller.
7. interlock circuit according to claim 1, which is characterized in that the electric machine controller module includes two pins,
First pin of the electric machine controller module is connect with the first interlocking terminal pins of first connector, and described first connects
The the second interlocking terminal pins for connecing device are connect with the first interlocking terminal pins of second connector, second connector
Second interlocking terminal pins are connect with the first interlocking terminal pins of the third connector, and the second of the third connector is mutual
Lock terminal pins are connect with the first interlocking terminal pins of the electric machine controller connector, the electric machine controller connector
Second interlocking terminal pins are connect with the second pin of the electric machine controller module.
8. according to claim 1-7 any one of them interlock circuits, which is characterized in that the battery management module described is filled
Motor control module, the direct current transducer controller, the air conditioner compressed machine controller, the heater controller and described
Electric machine controller module is electrically connected by the CAN bus of the electric vehicle with the entire car controller.
9. according to claim 1-7 any one of them interlock circuits, which is characterized in that the interlock circuit further includes alarm mould
Block, the alarm module are used in the battery loop, the electric machine controller loop, the charger loop, the direct current
Converter loop, the compressor of air conditioner loop or the heater loop send out alarm, the alarm unit and institute when disconnecting
State entire car controller electrical connection.
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| CN201611127548.8A CN106740129B (en) | 2016-12-09 | 2016-12-09 | A kind of interlock circuit for electric vehicle loop |
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| CN201611127548.8A CN106740129B (en) | 2016-12-09 | 2016-12-09 | A kind of interlock circuit for electric vehicle loop |
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| CN106740129B true CN106740129B (en) | 2018-08-14 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108162722A (en) * | 2017-12-29 | 2018-06-15 | 豫新汽车空调股份有限公司 | A kind of electric vehicle PTC logic control systems |
| CN109572435B (en) * | 2018-12-11 | 2021-02-12 | 浙江零跑科技有限公司 | Vehicle high-voltage interlocking system and control method |
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| JP2012085415A (en) * | 2010-10-08 | 2012-04-26 | Toyota Motor Corp | Power supply system and control method therefore |
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| CN203596651U (en) * | 2013-12-20 | 2014-05-14 | 惠州市亿能电子有限公司 | Low-voltage power supply interlocking circuit of electric vehicle |
| CN103847526A (en) * | 2014-03-20 | 2014-06-11 | 东风汽车公司 | Electric automobile high-voltage distributing system with high-voltage interlocking functions |
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| JP2012085415A (en) * | 2010-10-08 | 2012-04-26 | Toyota Motor Corp | Power supply system and control method therefore |
| JP2013009552A (en) * | 2011-06-27 | 2013-01-10 | Kawasaki Heavy Ind Ltd | Failure determining device, failure determining method, and failure processing system |
| CN102826017A (en) * | 2012-09-06 | 2012-12-19 | 浙江吉利汽车研究院有限公司杭州分公司 | High-voltage safety protection system of electromobile |
| CN203596651U (en) * | 2013-12-20 | 2014-05-14 | 惠州市亿能电子有限公司 | Low-voltage power supply interlocking circuit of electric vehicle |
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