CN208896889U - The charge control system of electric car - Google Patents
The charge control system of electric car Download PDFInfo
- Publication number
- CN208896889U CN208896889U CN201821623593.7U CN201821623593U CN208896889U CN 208896889 U CN208896889 U CN 208896889U CN 201821623593 U CN201821623593 U CN 201821623593U CN 208896889 U CN208896889 U CN 208896889U
- Authority
- CN
- China
- Prior art keywords
- relay
- full
- control unit
- vehicle control
- coil
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/72—Electric energy management in electromobility
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/12—Electric charging stations
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/14—Plug-in electric vehicles
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/16—Information or communication technologies improving the operation of electric vehicles
Landscapes
- Electric Propulsion And Braking For Vehicles (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
This application discloses the charge control systems of electric car, first input stitch of full-vehicle control unit is connected to the low-tension supply of electric car, the movable contact of first relay is connected to the second input stitch of full-vehicle control unit, first stationary contact is connected to the ON gear of car key, second stationary contact is connected to low-tension supply, the first end of coil is connected to charge port, the second end of coil is grounded, the third input stitch of full-vehicle control unit is connected to charge port, in addition, first output stitch of full-vehicle control unit is connect with the coil of the second relay, second output stitch is connect with the coil of third relay, the feeder ear of power-supply management system is connected to low-tension supply by the contact of the second relay, the feeder ear of direct current transducer is connected to low-tension supply by the contact of third relay, the of enable end and full-vehicle control unit Three output stitch connections.Charge control system disclosed in the present application can reduce the vehicle energy consumption under car key power-down state.
Description
Technical field
The application belongs to electric car charging technique field more particularly to a kind of charge control system of electric car.
Background technique
With new-energy automobile continuous development and widely popularize, more and more electric cars occur on the market.Electricity
The energy source of electrical automobile is power battery, needs to charge to it when the electric energy stored in power battery is less.
After vehicle parking, car key (would generally be extracted or be adjusted to LOCK by driver by electricity under car key
Gear, LOCK gear are also known as locking shelves), at this point, the controller in vehicle all enters dormant state, can not work normally.It drives
The person of sailing is usually chosen in night and charges to the power battery of electric car, that is, under car key it is right in the case where electricity
Power battery charges.If to charge in car key power-down state to power battery, it is necessary to electric car
VCU, BMS and DC/DC converter are in running order, just can guarantee the progress of charging process.Current solution is usual are as follows:
It is each controller continued power of electric car by battery after electricity under car key, each controller works on, from
And guarantee going on smoothly for charging operations.
But that there are vehicle energy consumptions is high for current processing mode, the problem of wasting electric energy.
Utility model content
In view of this, a kind of charge control system for being designed to provide electric car of the application, under car key
Under electricity condition, the energy consumption of vehicle can reduce, reduce the waste of electric energy.
To achieve the above object, the application provides the following technical solutions:
The application provides a kind of charge control system of electric car, including full-vehicle control unit, power-supply management system, straight
Stream transformer, the first relay, the second relay and third relay；
First input stitch of the full-vehicle control unit is the feeder ear of the full-vehicle control unit, first input
Stitch is connected to the low-tension supply of the electric car；
Second input stitch of the full-vehicle control unit is the wake-up signal receiving end of the full-vehicle control unit, described
Second input stitch is connected to the movable contact of first relay, and the first stationary contact of first relay is connected to vehicle
The ON gear of key, the second stationary contact of first relay are connected to the low-tension supply of the electric car, and described first
The first end of the coil of relay is connected to the charge port of the electric car, the second termination of the coil of first relay
Ground, wherein when the coil of first relay is in power failure state, the movable contact and the first stationary contact of first relay
Closure；
The third input stitch of the full-vehicle control unit is the charging signals receiving end of the full-vehicle control unit, described
Third input stitch is connected to the charge port of the electric car；
First output stitch of the full-vehicle control unit is connected to the first end of the coil of second relay, described
The second end of the coil of second relay is grounded, and the feeder ear of the power-supply management system passes through the contact of second relay
It is connected to the low-tension supply of the electric car；
Second output stitch of the full-vehicle control unit is connected to the first end of the coil of the third relay, described
The second end of the coil of third relay is grounded, and the feeder ear of the direct current transducer is connected by the contact of the third relay
It is connected to the low-tension supply of the electric car, the third output stitch of the full-vehicle control unit and making for the direct current transducer
It can end connection.
It optionally, further include direct current transducer cooling system and the 4th relay on the basis of above-mentioned charge control system
Device；
4th output stitch of the full-vehicle control unit is connected to the first end of the coil of the 4th relay, described
The second end of the coil of 4th relay is grounded, and the feeder ear of the direct current transducer cooling system passes through the 4th relay
Contact be connected to the low-tension supply of the electric car.
It optionally, further include battery cooling system and the 5th relay on the basis of above-mentioned charge control system；
5th output stitch of the full-vehicle control unit is connected to the first end of the coil of the 5th relay, described
The second end of the coil of 5th relay is grounded, and the feeder ear of the battery cooling system passes through the contact of the 5th relay
It is connected to the low-tension supply of the electric car.
It optionally, further include the 6th relay on the basis of above-mentioned charge control system；
6th output stitch of the full-vehicle control unit is connect with the first end of the coil of the 6th relay, described
The second end of the coil of 6th relay is grounded, and the movable contact of the 6th relay is connected to the vehicle-mounted instrument of the electric car
The feeder ear of table, the first stationary contact of the 6th relay are connected to the ACC gear of the car key, the 6th relay
Second stationary contact of device is connected to the low-tension supply of the electric car, wherein the coil of the 6th relay is in power loss
When state, the movable contact of the 6th relay and the first stationary contact are closed.
Optionally, in above-mentioned charge control system, the onboard instruments include display screen and/or buzzer.
It can be seen that the application's has the beneficial effect that
The charge control system of electric car disclosed in the present application, the first input stitch of full-vehicle control unit is as power supply
End is connected to the low-tension supply of electric car, and the second input stitch is connected to the movable contact of the first relay, the first relay
First stationary contact is connected to the ON gear of car key, and the second stationary contact of the first relay is connected to the low tension of electric car
Source, the first end of the coil of the first relay are connected to the charge port of electric car, second end ground connection, and the of full-vehicle control unit
Three input stitch as charging signals receiving end, be connected to the charge port of electric car.In electric car parking and car key
It is lower electricity in the case where, when charging gun insertion electric car charge port when, the coil of the first relay obtain it is electric so that first after
The movable contact of electric appliance and the second stationary contact are closed, and the second input stitch are connected to the low-tension supply of electric car, to wake up
Full-vehicle control unit after full-vehicle control unit enters working condition, detects that third input stitch has charging signals input, vehicle
Control unit controls the contact closure of the second relay and third relay, and exports enabled letter to the enable end of direct current transducer
Number, so that power-supply management system and direct current transducer enter working condition from dormant state.
It can be seen that the charge control system of electric car disclosed in the present application, in electric car parking and car key
In the case where lower electricity, only when the charge port of charging gun insertion electric car, full-vehicle control unit, power-supply management system and straight
Stream transformer can just enter working condition, with full-vehicle control unit, power management system after electricity under car key in the prior art
System is continuously in working condition with direct current transducer and compares, and can reduce energy consumption, reduces the waste of electric energy.
Detailed description of the invention
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is the application
Some embodiments for those of ordinary skill in the art without creative efforts, can also basis
These attached drawings obtain other attached drawings.
Fig. 1 is a kind of structure chart of the charge control system of electric car disclosed in the present application；
Fig. 2 is the structure chart of the charge control system of another electric car disclosed in the present application；
Fig. 3 is the structure chart of the charge control system of another electric car disclosed in the present application；
Fig. 4 is the structure chart of the charge control system of another electric car disclosed in the present application.
Specific embodiment
It in the prior art, is each controller continued power of electric car by battery, respectively after electricity under car key
A controller works on, to guarantee going on smoothly for charging operations.That is, in order to meet charge requirement, in vehicle
Under key after electricity, each controller of electric car is continuously in working condition, even if not carrying out to power battery
Charging, each controller are still within working condition, this just brings a large amount of energy consumption.
The application discloses a kind of charge control system of electric car, under car key power-down state, can reduce whole
The energy consumption of vehicle reduces the waste of electric energy.
The technical term occurred in the application is explained below:
VCU: full-vehicle control unit；
DC/DC converter: direct current transducer；
BMS: battery management system；
ACC gear: attachment energization shelves, when car key is in ACC gear, the accessory circuits of vehicle are switched on；
ON gear: connecting shelves, and when car key be in ON gear, full vehicle circuit is connected, for starting motor prepare with
Self-test work.
To keep the purposes, technical schemes and advantages of the embodiment of the present application clearer, below in conjunction with the embodiment of the present application
In attached drawing, the technical scheme in the embodiment of the application is clearly and completely described, it is clear that described embodiment is
Some embodiments of the present application, instead of all the embodiments.Based on the embodiment in the application, those of ordinary skill in the art
Every other embodiment obtained without making creative work, shall fall in the protection scope of this application.
Referring to Fig. 1, Fig. 1 is a kind of structure chart of the charge control system of electric car disclosed in the present application.
The charge control system includes full-vehicle control unit 100, battery management system 200, direct current transducer 300, first
Relay S1, the second relay S2 and third relay S3.
Wherein:
First input stitch A1 of full-vehicle control unit 100 is the feeder ear of full-vehicle control unit 100, the first input stitch
A1 is connected to the low-tension supply of electric car.
Wherein, the low-tension supply of electric car includes the battery of electric car, further include via direct current transducer 300 into
The low-tension supply of row voltage conversion output.
Full-vehicle control unit 100 second input stitch A2 be full-vehicle control unit 100 wake-up signal receiving end, second
Input stitch A2 is connected to the movable contact of the first relay S1, and the first stationary contact of the first relay S1 is connected to car key
ON gear, that is, T15 grades of vehicle, the second stationary contact of the first relay S1 are connected to the low-tension supply of electric car, and first
The first end of the coil of relay S1 is connected to the charge port of electric car, the second end ground connection of the coil of the first relay S1.
Wherein, when the coil of the first relay S1 is in power failure state, the movable contact of the first relay S1 and the first stationary contact are closed.
The third input stitch A3 of full-vehicle control unit 100 is the charging signals receiving end of full-vehicle control unit 100, third
Input stitch A3 is connected to the charge port of electric car.When the charge port of charging gun insertion electric car, needle is inputted in third
Foot A3 generates a charging signals.
Full-vehicle control unit 100 first output stitch B1 be connected to the second relay S2 coil first end, second
The second end of the coil of relay S2 is grounded, and the feeder ear of power-supply management system 200 is connected by the contact of the second relay S2
To the low-tension supply of electric car.
Second output stitch B2 of full-vehicle control unit 100 is connected to the first end of the coil of third relay S3, third
The second end of the coil of relay S3 is grounded, and the feeder ear of direct current transducer 300 is connected to by the contact of third relay S3
The low-tension supply of electric car, the third output stitch B3 of full-vehicle control unit 100 and the enable end of direct current transducer 300 connect
It connects.
Under the charge port idle state of electric car, i.e., charge port is not inserted into the state of charging gun, the first relay S1
Coil be in power failure state, the movable contact of the first relay S1 and the first stationary contact are closed at this time, full-vehicle control unit 100
Second input stitch A2 is connected to the ON gear of car key.It is defeated without signal since car key is in power-down state
Enter the second input pin A2, full-vehicle control unit 100 is in a dormant state.When have charging gun insertion electric car charge port it
Afterwards, the coil of the first relay S1 is in obtain electricity condition, and the movable contact of the first relay S1 switches to and the second stationary contact at this time
Closure, the second input stitch A2 of full-vehicle control unit 100 are connected to the low-tension supply of electric car, full-vehicle control unit 100
It is waken up, into working condition.
Full-vehicle control unit 100 is waken up into after working condition, and third input stitch A3 has charging signals input (i.e.
Plug-In signal), therefore, full-vehicle control unit 100 controls the second relay S2 by the first output stitch B1, so that second
The contact closure of relay S2, the low-tension supply of the feeder ear of power-supply management system 200 and electric car connects at this time, by low pressure
Power supply is the power supply of power-supply management system 200, and power-supply management system 200 enters working condition.Full-vehicle control unit 100 passes through second
It exports stitch B2 and controls third relay S3, so that the contact closure of third relay S3, the at this time power supply of direct current transducer 300
End is connect with the low-tension supply of electric car, is that direct current transducer 300 is powered by low-tension supply, in addition, full-vehicle control unit 100
Stitch B3 is exported by third and exports enable signal to the enable end of direct current transducer 300, guarantees that direct current transducer 300 enters work
Make state, to guarantee the stabilization of the low-voltage power supply system of electric car.
First input stitch of charge control system disclosed in the present application, full-vehicle control unit is connected to electricity as feeder ear
The low-tension supply of electrical automobile, the second input stitch are connected to the movable contact of the first relay, the first stationary contact of the first relay
Be connected to the ON gear of car key, the second stationary contact of the first relay is connected to the low-tension supply of electric car, first after
The first end of the coil of electric appliance is connected to the charge port of electric car, second end ground connection, and the third of full-vehicle control unit inputs needle
Foot as charging signals receiving end, be connected to the charge port of electric car.The electric feelings under electric car parking and car key
Under condition, when the charge port of charging gun insertion electric car, the coil of the first relay obtain it is electric so that the first relay is dynamic
Contact and the second stationary contact are closed, and the second input stitch are connected to the low-tension supply of electric car, to wake up full-vehicle control
Unit after full-vehicle control unit enters working condition, detects that third input stitch has charging signals input, full-vehicle control unit
The contact closure of the second relay and third relay is controlled, and exports enable signal to the enable end of direct current transducer, so that
Power-supply management system and direct current transducer enter working condition from dormant state.
It can be seen that the charge control system of electric car disclosed in the present application, in electric car parking and car key
In the case where lower electricity, only when the charge port of charging gun insertion electric car, full-vehicle control unit, power-supply management system and straight
Stream transformer can just enter working condition, with full-vehicle control unit, power management system after electricity under car key in the prior art
System is continuously in working condition with direct current transducer and compares, and can reduce energy consumption, reduces the waste of electric energy.
Referring to fig. 2, Fig. 2 is the structural schematic diagram of the charge control system of another electric car disclosed in the present application.
The charge control system includes full-vehicle control unit 100, battery management system 200, direct current transducer 300, first
Relay S1, the second relay S2, third relay S3, direct current transducer cooling system 400 and the 4th relay S4.
Wherein:
First input stitch A1 of full-vehicle control unit 100 is the feeder ear of full-vehicle control unit 100, the first input stitch
A1 is connected to the low-tension supply of electric car.
Full-vehicle control unit 100 second input stitch A2 be full-vehicle control unit 100 wake-up signal receiving end, second
Input stitch A2 is connected to the movable contact of the first relay S1, and the first stationary contact of the first relay S1 is connected to car key
ON gear, that is, T15 grades of vehicle, the second stationary contact of the first relay S1 are connected to the low-tension supply of electric car, and first
The first end of the coil of relay S1 is connected to the charge port of electric car, the second end ground connection of the coil of the first relay S1.
Wherein, when the coil of the first relay S1 is in power failure state, the movable contact of the first relay S1 and the first stationary contact are closed.
The third input stitch A3 of full-vehicle control unit 100 is the charging signals receiving end of full-vehicle control unit 100, third
Input stitch A3 is connected to the charge port of electric car.When the charge port of charging gun insertion electric car, needle is inputted in third
Foot A3 generates a charging signals.
Full-vehicle control unit 100 first output stitch B1 be connected to the second relay S2 coil first end, second
The second end of the coil of relay S2 is grounded, and the feeder ear of power-supply management system 200 is connected by the contact of the second relay S2
To the low-tension supply of electric car.
Second output stitch B2 of full-vehicle control unit 100 is connected to the first end of the coil of third relay S3, third
The second end of the coil of relay S3 is grounded, and the feeder ear of direct current transducer 300 is connected to by the contact of third relay S3
The low-tension supply of electric car, the third output stitch B3 of full-vehicle control unit 100 and the enable end of direct current transducer 300 connect
It connects.
Full-vehicle control unit 100 the 4th output stitch B4 be connected to the 4th relay S4 coil first end, the 4th
The second end of the coil of relay S4 is grounded, and the feeder ear of direct current transducer cooling system 400 passes through the touching of the 4th relay S4
Point is connected to the low-tension supply of electric car.
Compared with charge control system shown in FIG. 1, charge control system shown in Fig. 2 is further provided with direct current conversion
Device cooling system 400 and the 4th relay S4.During the power battery charging to electric car, full-vehicle control unit 100
Direct current transducer cooling system 400 can be started by the 4th relay S4, cooled down to direct current transducer 300.
Optionally, full-vehicle control unit 100 monitors the work temperature of direct current transducer 300 in electric car charging process
Degree；In the case where the operating temperature of direct current transducer 300 reaches preset temperature threshold, the contact of the 4th relay S4 is controlled
Closure starts direct current transducer cooling system 400；The case where the operating temperature of direct current transducer is lower than preset temperature threshold
Under, the contact of the 4th relay S4 of control disconnects, and closes the cooling system 400 of direct current transducer.
Based on above-mentioned technical solution, carried out in charging process to electric car, 100 real-time monitoring of full-vehicle control unit
The operating temperature of direct current transducer 300 starts direct current transducer cooling system when the operating temperature of direct current transducer 300 is excessively high
400, cool down to direct current transducer 300, so that direct current transducer 300 be avoided to break down since temperature is excessively high, guarantee is filled
Electrically operated goes on smoothly.
Referring to Fig. 3, Fig. 3 is the structural schematic diagram of the charge control system of another electric car disclosed in the present application.
The charge control system includes full-vehicle control unit 100, battery management system 200, direct current transducer 300, first
Relay S1, the second relay S2, third relay S3, direct current transducer cooling system 400, the 4th relay S4, battery are cold
But system 500 and the 5th relay S5.
Wherein:
First input stitch A1 of full-vehicle control unit 100 is the feeder ear of full-vehicle control unit 100, the first input stitch
A1 is connected to the low-tension supply of electric car.
Full-vehicle control unit 100 second input stitch A2 be full-vehicle control unit 100 wake-up signal receiving end, second
Input stitch A2 is connected to the movable contact of the first relay S1, and the first stationary contact of the first relay S1 is connected to car key
ON gear, that is, T15 grades of vehicle, the second stationary contact of the first relay S1 are connected to the low-tension supply of electric car, and first
The first end of the coil of relay S1 is connected to the charge port of electric car, the second end ground connection of the coil of the first relay S1.
Wherein, when the coil of the first relay S1 is in power failure state, the movable contact of the first relay S1 and the first stationary contact are closed.
The third input stitch A3 of full-vehicle control unit 100 is the charging signals receiving end of full-vehicle control unit 100, third
Input stitch A3 is connected to the charge port of electric car.When the charge port of charging gun insertion electric car, needle is inputted in third
Foot A3 generates a charging signals.
Full-vehicle control unit 100 first output stitch B1 be connected to the second relay S2 coil first end, second
The second end of the coil of relay S2 is grounded, and the feeder ear of power-supply management system 200 is connected by the contact of the second relay S2
To the low-tension supply of electric car.
Second output stitch B2 of full-vehicle control unit 100 is connected to the first end of the coil of third relay S3, third
The second end of the coil of relay S3 is grounded, and the feeder ear of direct current transducer 300 is connected to by the contact of third relay S3
The low-tension supply of electric car, the third output stitch B3 of full-vehicle control unit 100 and the enable end of direct current transducer 300 connect
It connects.
Full-vehicle control unit 100 the 4th output stitch B4 be connected to the 4th relay S4 coil first end, the 4th
The second end of the coil of relay S4 is grounded, and the feeder ear of direct current transducer cooling system 400 passes through the touching of the 4th relay S4
Point is connected to the low-tension supply of electric car.
Full-vehicle control unit 100 the 5th output stitch B5 be connected to the 5th relay S5 coil first end, the 5th
The second end of the coil of relay S5 is grounded, and the feeder ear of battery cooling system 500 is connected by the contact of the 5th relay S5
To the low-tension supply of electric car.
Compared with charge control system shown in Fig. 2, it is cooling that charge control system shown in Fig. 3 is further provided with battery
System 500 and the 5th relay S5.During the power battery charging to electric car, full-vehicle control unit 100 can lead to
The 5th relay S5 starting battery cooling system 500 is crossed, is cooled down to power battery.
Optionally, full-vehicle control unit 100 monitors the temperature of power battery in electric car charging process；In power
In the case that the temperature of battery reaches preset temperature threshold, the contact closure of the 5th relay S5 is controlled, starting battery is cooling
System 500；In the case where the temperature of power battery is lower than preset temperature threshold, the contact of the 5th relay S5 of control is disconnected
It opens, closes battery cooling system 500.
Based on above-mentioned technical solution, carried out in charging process to electric car, 100 real-time monitoring of full-vehicle control unit
The temperature of power battery cools down to power battery in the battery cooling system of starting when the temperature is excessively high 500 of power battery,
To avoid power battery from breaking down since temperature is excessively high, going on smoothly for charging operations is ensured.
Referring to fig. 4, Fig. 4 is the structural schematic diagram of the charge control system of another electric car disclosed in the present application.
The charge control system includes full-vehicle control unit 100, battery management system 200, direct current transducer 300, first
Relay S1, the second relay S2, third relay S3, direct current transducer cooling system 400, the 4th relay S4, battery are cold
But system 500, the 5th relay S5 and the 6th relay S6.
Here mainly the difference place with disclosed charge control system above is illustrated.
6th output stitch B6 of full-vehicle control unit 100 is connect with the first end of the coil of the 6th relay S6, and the 6th
The second end of the coil of relay S6 is grounded, and the movable contact of the 6th relay S6 is connected to the power supply of the onboard instruments of electric car
End, the first stationary contact of the 6th relay S6 are connected to the ACC gear of car key, and the second stationary contact of the 6th relay S6 connects
It is connected to the low-tension supply of electric car.Wherein, when the coil of the 6th relay S6 is in power failure state, the 6th relay S6's is dynamic
Contact and the first stationary contact are closed.
Full-vehicle control unit 100 carries out malfunction monitoring.When the 6th output stitch B6 of full-vehicle control unit 100 does not export letter
Number when, the coil of the 6th relay S6 is in power failure state, and the movable contact of the 6th relay S6 and the first stationary contact are closed, at this time
The feeder ear of onboard instruments is connected to the ACC gear of car key.Since car key is in power-down state, vehicle-mounted instrument
Table is in off-position.When full-vehicle control unit 100 determines faulty generation, stitch B6 output signal is exported by the 6th,
The coil of 6th relay S6 is in obtain electricity condition, and the movable contact of the 6th relay S6 is switched to be closed with the second stationary contact, this
When onboard instruments feeder ear be connected to the low-tension supply of electric car, onboard instruments are turned on, and export corresponding fault cues
Information.
Optionally, full-vehicle control unit 100 is in determining break down, by the 6th output stitch B6 output signal, and
And full-vehicle control unit 100 starts timing, after clocking value reaches scheduled duration, stops through the 6th output stitch B6 output letter
Number, at this point, the coil losing electricity of the 6th relay S6, the movable contact of the 6th relay S6 is switched to be closed with the first stationary contact, vehicle
It carries instrument to be disconnected, into closed state.Full-vehicle control unit 100 records relevant fault message.
Optionally, full-vehicle control unit 100 sends corresponding failure letter to remote monitoring platform in determining break down
Breath.
In implementation, onboard instruments include display screen and/or buzzer.
As an implementation, when the determination of full-vehicle control unit 100 is broken down, control display screen shows corresponding event
Hinder code, controls buzzer warning.
In addition, specific fault level is determined, if failure when full-vehicle control unit 100 determines certain component malfunction
Grade has reached scheduled grade, then stops charging operations, to avoid that more serious accident occurs.
Specifically, full-vehicle control unit 100 is disconnected by the contact that the first output stitch B1 controls the second relay S2, lead to
The contact for crossing the second output stitch B2 control third relay S3 disconnects, to close power-supply management system 200 and direct current conversion
Device 300 stops charging operations.
The application charge control system shown in Fig. 4 is further provided with the 6th relay connecting with onboard instruments,
Electric car is carried out in charging process, 100 real-time perfoming malfunction monitoring of full-vehicle control unit, when determining certain component malfunction
When, the movable contact and the second stationary contact for controlling the 6th relay S6 are closed, so that onboard instruments are opened, will pass through onboard instruments
Corresponding fault cues information is exported, the generation for knowing failure is allowed users to.
Finally, it is to be noted that, herein, relational terms such as first and second and the like be used merely to by
One entity is distinguished with another entity, and without necessarily requiring or implying between these entities, there are any this reality
Relationship or sequence.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.
The foregoing description of the disclosed embodiments makes professional and technical personnel in the field can be realized or use the application.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the application.Therefore, the application
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (5)
1. a kind of charge control system of electric car, which is characterized in that including full-vehicle control unit, power-supply management system, straight
Stream transformer, the first relay, the second relay and third relay；
First input stitch of the full-vehicle control unit is the feeder ear of the full-vehicle control unit, the first input stitch
It is connected to the low-tension supply of the electric car；
The full-vehicle control unit second input stitch be the full-vehicle control unit wake-up signal receiving end, described second
Input stitch is connected to the movable contact of first relay, and the first stationary contact of first relay is connected to car key
ON gear, the second stationary contact of first relay is connected to the low-tension supply of the electric car, first relay
The first end of the coil of device is connected to the charge port of the electric car, and the second end of the coil of first relay is grounded,
Wherein, when the coil of first relay is in power failure state, movable contact and the first stationary contact of first relay are closed
It closes；
The third input stitch of the full-vehicle control unit is the charging signals receiving end of the full-vehicle control unit, the third
Input stitch is connected to the charge port of the electric car；
The full-vehicle control unit first output stitch be connected to second relay coil first end, described second
The second end of the coil of relay is grounded, and the feeder ear of the power-supply management system is connected by the contact of second relay
To the low-tension supply of the electric car；
Second output stitch of the full-vehicle control unit is connected to the first end of the coil of the third relay, the third
The second end of the coil of relay is grounded, and the feeder ear of the direct current transducer is connected to by the contact of the third relay
The low-tension supply of the electric car, the enable end of third the output stitch and the direct current transducer of the full-vehicle control unit
Connection.
2. charge control system according to claim 1, which is characterized in that further include direct current transducer cooling system and
Four relays；
The full-vehicle control unit the 4th output stitch be connected to the 4th relay coil first end, the described 4th
The second end of the coil of relay is grounded, the touching that the feeder ear of the direct current transducer cooling system passes through the 4th relay
Point is connected to the low-tension supply of the electric car.
3. charge control system according to claim 2, which is characterized in that further include battery cooling system and the 5th relay
Device；
The full-vehicle control unit the 5th output stitch be connected to the 5th relay coil first end, the described 5th
The second end of the coil of relay is grounded, and the feeder ear of the battery cooling system is connected by the contact of the 5th relay
To the low-tension supply of the electric car.
4. charge control system according to claim 3, which is characterized in that further include the 6th relay；
6th output stitch of the full-vehicle control unit is connect with the first end of the coil of the 6th relay, and the described 6th
The second end of the coil of relay is grounded, and the movable contact of the 6th relay is connected to the onboard instruments of the electric car
Feeder ear, the first stationary contact of the 6th relay are connected to the ACC gear of the car key, the 6th relay
Second stationary contact is connected to the low-tension supply of the electric car, wherein the coil of the 6th relay is in power failure state
When, the movable contact of the 6th relay and the first stationary contact are closed.
5. charge control system according to claim 4, which is characterized in that the onboard instruments include display screen and/or
Buzzer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821623593.7U CN208896889U (en) | 2018-09-30 | 2018-09-30 | The charge control system of electric car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821623593.7U CN208896889U (en) | 2018-09-30 | 2018-09-30 | The charge control system of electric car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208896889U true CN208896889U (en) | 2019-05-24 |
Family
ID=66574803
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821623593.7U Active CN208896889U (en) | 2018-09-30 | 2018-09-30 | The charge control system of electric car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208896889U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110920520A (en) * | 2019-12-05 | 2020-03-27 | 江苏悦达专用车有限公司 | Protective device |
| CN112208381A (en) * | 2019-07-12 | 2021-01-12 | 陕西汽车集团有限责任公司 | New energy automobile charging system control circuit and control method |
| JP7354357B1 (en) | 2022-06-15 | 2023-10-02 | 日鉄テックスエンジ株式会社 | Charge/discharge inspection equipment and charge/discharge inspection equipment |
-
2018
- 2018-09-30 CN CN201821623593.7U patent/CN208896889U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112208381A (en) * | 2019-07-12 | 2021-01-12 | 陕西汽车集团有限责任公司 | New energy automobile charging system control circuit and control method |
| CN110920520A (en) * | 2019-12-05 | 2020-03-27 | 江苏悦达专用车有限公司 | Protective device |
| JP7354357B1 (en) | 2022-06-15 | 2023-10-02 | 日鉄テックスエンジ株式会社 | Charge/discharge inspection equipment and charge/discharge inspection equipment |
| WO2023243733A1 (en) * | 2022-06-15 | 2023-12-21 | 日鉄テックスエンジ株式会社 | Charge/discharge testing device and charge/discharge testing equipment |
| JP2023182912A (en) * | 2022-06-15 | 2023-12-27 | 日鉄テックスエンジ株式会社 | Charging and discharging inspection device, and charging and discharging inspection facility |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR102690900B1 (en) | Charging control apparatus for electric vehicle | |
| CN208896889U (en) | The charge control system of electric car | |
| CN206106967U (en) | Electric automobile , on -vehicle charger and control circuit thereof | |
| CN112319259B (en) | Control system and control method for alternating-current charging electronic lock of electric automobile | |
| CN108437835A (en) | Power-supply system | |
| CN109353234A (en) | The charge control method and battery charge controller of electric car | |
| CN205970900U (en) | Vehicle, on -vehicle charger and control circuit thereof | |
| CN109421542A (en) | Method for electrically under electric automobile high-voltage | |
| CN113612283B (en) | Automatic power supplementing method for storage battery of pure electric vehicle | |
| CN112019040B (en) | Direct current conversion control system and control method for electric automobile | |
| CN211731319U (en) | Power supply control system and vehicle | |
| US20240262245A1 (en) | Vehicle Control Method and Apparatus, and Vehicle | |
| CN112937304B (en) | Electric motor car low-voltage storage battery insufficient voltage's starting system | |
| CN114161931A (en) | New energy vehicle type storage battery electricity supplementing control method | |
| CN110329075A (en) | A kind of control system and control method and electric vehicle based on lithium battery power supply | |
| CN112009247B (en) | High-voltage power-on method of vehicle-mounted charging system of electric vehicle | |
| CN210652696U (en) | New energy automobile and low-voltage power supply circuit thereof | |
| CN110239349B (en) | Method and system for preventing false alarm of hybrid electric vehicle | |
| CN109050255B (en) | Intelligent power-off low-voltage device of electric motor coach | |
| CN113665381A (en) | Parking keyless DCDC charging method for new energy bus | |
| CN221125813U (en) | Control magnetic latching relay device | |
| CN217396456U (en) | Vehicle power supply system | |
| CN115032921B (en) | Circuit capable of closing controller and CAN communication network simultaneously, control method and vehicle | |
| CN219351304U (en) | Low-voltage redundant power supply circuit of electric automobile and electric automobile | |
| CN113071316B (en) | New energy automobile ECU power-on and power-off abnormity diagnosis and correction system and method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |