CN209409847U - A kind of electric car charge protocol conversion control circuit, controller and electric car - Google Patents
A kind of electric car charge protocol conversion control circuit, controller and electric car Download PDFInfo
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- CN209409847U CN209409847U CN201920090727.1U CN201920090727U CN209409847U CN 209409847 U CN209409847 U CN 209409847U CN 201920090727 U CN201920090727 U CN 201920090727U CN 209409847 U CN209409847 U CN 209409847U
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- 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
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- 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
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- 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
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- 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
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Abstract
The utility model embodiment discloses control circuit, controller and the electric car of a kind of electric car charge protocol conversion, including microprocessor, charging signals control circuit and signal imitation output circuit, microprocessor includes the input terminal of the CC signal of the first consensus standard, CP signal, CC2 signal and CAN signal；Charging signals control circuit includes the first consensus standard CC2 signal control signal；First consensus standard CC2 signal controls the first and second switching elements conductives and shutdown in charging signals control circuit, is controlled with CC and CP the control signal inputted to signal imitation output circuit；Signal imitation output circuit generates second protocol standard CC and CP signal, and is sent to electric automobile set controller.The utility model can quickly disconnect second protocol standard CC signal and CP signal when charging gun pulls out, and realize the protection of Vehicle Controller and the safe charging of electric car.
Description
Technical field
The utility model relates to electric vehicle charging technique more particularly to a kind of electric car charge protocol conversion and control electricity
Road, controller and electric car.
Background technique
Rapid nitriding within a short period of time can charge to vehicle by high current, to solve electric car
Charging time too long problem, since in quick charge, electric current, voltage are relatively high, so needing between charging station and vehicle
Design the safety in more complicated charge protocol guarantee charging process.
The fast charge protocol standard of every country is all inconsistent at present, and the U.S. is learned using U.S. automotive engineer
(Society of Automotive Engineers, SAE) standard, including SAE J1772 and SAE J2847 are (referred to as beautiful herein
Mark), Chinese then use national standard (Gu ó bi ā o, GB), including GB18487 and GB29730, therefore, in use national standard charging pile to symbol
When the electric car (hereinafter referred American Standard electric car) of conjunction American Standard charge protocol is charged, there are charge protocol standard is different
The problem of cause, can not be normally carried out charging；In addition to this, even if the CC that will be generated in national standard charging pile by protocol conversion circuitry
Signal, CP signal and CC2 signal are converted to the CC signal and CP signal for meeting American Standard, and are supplied to American Standard electric car, but mesh
In preceding protocol conversion circuitry, when being pulled out there are charging gun, the problem of cannot quickly disconnecting American Standard CC signal and American Standard CP signal,
It is easy judgement of the delay American Standard electric car Vehicle Controller to charging gun connection status, and damages Vehicle Controller.
Utility model content
The utility model provides a kind of electric car charge protocol conversion control circuit, controller and electric car, can
When charging gun pulls out, communication connection is quickly disconnected, and safely carries out protocol conversion.
In a first aspect, the utility model embodiment provides a kind of control circuit of electric car charge protocol conversion, packet
It includes:
Microprocessor, the microprocessor include the first consensus standard CC signal input part, the first consensus standard CP signal
Input terminal, the first consensus standard CC2 signal input part and the first consensus standard CAN signal input terminal, the microprocessor also wrap
Include CC signal control output end and CP signal control output end；
Charging signals control circuit, the charging signals control circuit include the control input of the first consensus standard CC2 signal
The first consensus standard CC2 signal of end, the first consensus standard CC2 signal control signal and the microprocessor is defeated
Enter end electrical connection；The charging signals control circuit further includes first switching element and second switch element, the first switch
The first end of element is electrically connected with the CC signal control output end of the microprocessor, and the second of the first switching element
End ground connection, the control terminal of the first switch are electrically connected with the first consensus standard CC2 signal control signal；Described second
The electrical connection of the CP signal control output end of the first end of switch element and the microprocessor, the second switch element
Second end ground connection, the control terminal of the second switch element are electrically connected with the first consensus standard CC2 signal control signal；
Signal imitation output circuit, the signal imitation output circuit include CC signal control signal and the control of CP signal
Input terminal, the CC signal control signal respectively with CC signal control output end and the first switching element first
End electrical connection, the CP signal control signal respectively with CP signal control output end and the second switch element the
One end electrical connection；The signal imitation output circuit further includes second protocol standard CC signal output end and second protocol standard CP
Signal output end.
Optionally, the microprocessor further includes AC charging rifle connection signal output end；The first switching element and
The second switch element is high level conducting switch；
The charging signals control circuit further includes third switch element and the 4th switch element；The third switch element
First end connect with the control terminal of the first switching element, the second end of third switch element ground connection, the third
The control terminal of switch is electrically connected with the AC charging rifle connection signal output end of the microprocessor；The 4th switch member
The first end of part is connect with the control terminal of the second switch element, the second end of the 4th switch element ground connection, and described the
The control terminal of four switches is electrically connected with the AC charging rifle connection signal output end of the microprocessor.
Optionally, the first switching element is the first triode, and the second switch element is the second triode；
The charging signals control circuit further includes first resistor, second resistance, 3rd resistor, the 4th resistance, the first electricity
Hold and the second capacitor, the first end electrical connection of the first end of the first resistor and the first capacitor and with the microprocessor
The first consensus standard CC2 signal input part electrical connection, the first capacitor second end ground connection, the second of the first resistor
End is electrically connected with the first end of the base stage of first triode and the second resistance respectively, the second end of the second resistance
It is electrically connected and is grounded with the emitter of first triode, the collector of first triode and the institute of the microprocessor
State the electrical connection of CC signal control output end；
The first end of the 3rd resistor and the electrical connection of the first end of second capacitor and the institute with the microprocessor
The electrical connection of the first consensus standard CC2 signal input part is stated, the second end of second capacitor is grounded, and the second of the 3rd resistor
End is electrically connected with the first end of the base stage of second triode and the 4th resistance respectively, the second end of the 4th resistance
It is electrically connected and is grounded with the emitter of second triode, the collector of second triode and the institute of the microprocessor
State the electrical connection of CP signal control output end.
Optionally, the third switch element is third transistor, and the 4th switch element is the 4th triode；
The charging signals control circuit further includes the 5th resistance, the 6th resistance and third capacitor；5th resistance
First end and the first end of the third capacitor electrical connection and it is defeated with the AC charging rifle connection signal of the microprocessor
Outlet electrical connection, the second end of the 5th resistance respectively with the base stage of the third transistor and the 6th resistance first
End electrical connection, the collector of the third transistor are electrically connected with the first end of the first resistor, the third transistor
The second end of emitter and the 6th resistance is electrically connected and grounded, the second end ground connection of the third capacitor；
The charging signals control circuit further includes the 7th resistance, the 8th resistance and the 4th capacitor；7th resistance
First end and the first end of the 4th capacitor electrical connection and it is defeated with the AC charging rifle connection signal of the microprocessor
Outlet electrical connection, the second end of the 7th resistance respectively with the base stage of the 4th triode and the 8th resistance first
End electrical connection, the collector of the 4th triode are electrically connected with the first end of the 3rd resistor, the 4th triode
The second end of emitter and the 8th resistance is electrically connected and grounded, the second end ground connection of the 4th capacitor.
Optionally, the microprocessor further includes second protocol standard CC signal acquisition terminal and second protocol standard CP signal
Collection terminal, the second protocol standard CC signal of the second protocol standard CC signal acquisition terminal and the signal imitation output circuit
Output end electrical connection, the second protocol standard of the second protocol standard CP signal acquisition terminal and the signal imitation output circuit
The electrical connection of CP signal output end.
Optionally, the charging signals control circuit further includes the 9th resistance, the tenth resistance, eleventh resistor, the 5th electricity
Hold and the 6th capacitor；
The first end of 9th resistance and the second protocol standard CC signal output end of the signal imitation output circuit
Electrical connection, the second end of the 9th resistance be electrically connected with the first end of the 5th capacitor and with described in the microprocessor
The electrical connection of CC signal acquisition terminal, the second end ground connection of the 5th capacitor；
The first end of tenth resistance and the second protocol standard CP signal output end of the signal imitation output circuit
Electrical connection, the second end of the tenth resistance first end with the first end of the eleventh resistor and the 6th capacitor respectively
It is electrically connected and is electrically connected with the CP signal acquisition terminal of the microprocessor, the second end ground connection of the eleventh resistor, institute
State the second end ground connection of the 6th capacitor.
Optionally, the control circuit further includes the 7th capacitor, the first end and the signal imitation of the 7th capacitor
The second protocol standard CC signal output end of output circuit is electrically connected, the second end ground connection of the 7th capacitor；
The control circuit further includes the 8th capacitor, first switch diode and second switch diode；
The first end of 8th capacitor and the second protocol standard CP signal output end of the signal imitation output circuit
Electrical connection, the second end ground connection of the 8th capacitor；
The cathode of the first switch diode and the second protocol standard CP signal of the signal imitation output circuit are defeated
Outlet electrical connection, the anode of the first switch diode are electrically connected with the anode of the second switch diode, and described second
The cathode of switching diode is grounded.
Second aspect, the utility model embodiment additionally provide a kind of charge protocol switching controller, including such as first party
Any electric car charge protocol conversion control circuit in face.
The third aspect, the utility model embodiment additionally provide a kind of electric car, including filling as described in second aspect
Electric protocol conversion controller, further includes Vehicle Controller, the electric car charging in the charge protocol switching controller
The second protocol standard CC signal output end and second protocol standard CP signal output end of protocol conversion control circuit respectively with institute
State Vehicle Controller electrical connection.
Electric car charge protocol conversion control circuit, controller and electric car provided by the embodiment of the utility model,
By the way that microprocessor and signal imitation output circuit are arranged in control circuit, charged by microprocessor according to the first consensus standard
The the first consensus standard CC signal and CP signal or the first consensus standard CC2 signal and the first consensus standard CAN signal that stake provides,
Processing is that CC controls signal and CP controls signal, and controls the CC letter of signal imitation output circuit simulation output second protocol standard
Number and CP signal, the first consensus standard signal can be converted to second protocol standard signal, realize filling for the first consensus standard
Charging of the electric stake to second protocol standard electric car；Meanwhile by the way that charging signals control circuit is arranged, by first switching element
It whether is passed through the first consensus standard CC2 signal with the control terminal of second switch element, to export to microprocessor to signal imitation
Circuit input CC control signal and CP control signal are controlled, so as to can quickly disconnect the second association when charging gun pulls out
Standard CC signal and CP signal are discussed, solving second protocol standard electric car may to charging gun connection status judgement delay
The problem of causing Vehicle Controller to damage, realizes the protection of Vehicle Controller and the safe charging of electric car.
Detailed description of the invention
Fig. 1 is a kind of circuit of the control circuit of electric car charge protocol conversion provided by the embodiment of the utility model
Figure；
Fig. 2 is the circuit of the control circuit of another electric car charge protocol conversion provided by the embodiment of the utility model
Figure；
Fig. 3 is the circuit of the control circuit of another electric car charge protocol conversion provided by the embodiment of the utility model
Figure；
Fig. 4 is the circuit of the control circuit of another electric car charge protocol conversion provided by the embodiment of the utility model
Figure；
Fig. 5 is the circuit of the control circuit of another electric car charge protocol conversion provided by the embodiment of the utility model
Figure；
Fig. 6 is that the utility model embodiment additionally provides a kind of structural schematic diagram of charge protocol switching controller.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawings and examples.It is understood that herein
Described specific embodiment is used only for explaining the utility model, rather than the restriction to the utility model.It further needs exist for
It is bright, part relevant to the utility model is illustrated only for ease of description, in attached drawing rather than entire infrastructure.
Fig. 1 is a kind of circuit diagram of electric car charge protocol conversion control circuit provided by the embodiment of the utility model,
With reference to Fig. 1, which includes: microprocessor 10, and microprocessor 10 includes the first agreement
Standard CC signal input part 11, the first consensus standard CP signal input part 12, the first consensus standard CC2 signal input part 14 and
One consensus standard CAN signal input terminal 13, wherein the first consensus standard CC signal input part 11 and the first consensus standard CP signal
Input terminal 12 receives the first consensus standard CC signal and the first consensus standard CP letter of the first consensus standard AC charging rifle respectively
Number, the first consensus standard CC2 signal input part 14 and the first consensus standard CAN signal input terminal 13 receive the first Protocol Standard respectively
Collimate the first consensus standard CC2 signal and the first consensus standard CAN signal of current charge rifle；Microprocessor 10 further includes CC signal
Control output end 15 and CP signal control output end 16；
Charging signals control circuit 20, charging signals control circuit 20 include the control input of the first consensus standard CC2 signal
The first consensus standard CC2 signal input of end 21, the first consensus standard CC2 signal control signal 21 and microprocessor 10
14 electrical connection of end, wherein the first consensus standard CC2 signal control signal 21 receives the of the first consensus standard DC charging rifle
One consensus standard CC2 signal；Charging signals control circuit 20 further includes first switching element 221 and second switch element 222, and
The first end of one switch element 221 is electrically connected with the CC signal control output end 15 of microprocessor 10, first switching element 221
Second end ground connection, the control terminal of first switching element 221 are electrically connected with the first consensus standard CC2 signal control signal 21,
In, the control terminal of first switching element 221 receives the first consensus standard CC2 signal of the first consensus standard DC charging rifle, the
One consensus standard CC2 signal controls 221 turn-on and turn-off of first switching element；The first end and Wei Chu of second switch element 222
The CP signal control output end 16 for managing device 10 is electrically connected, the second end ground connection of second switch element 222, second switch element 222
Control terminal be electrically connected with the first consensus standard CC2 signal control signal 21, wherein the control terminal of second switch element 222
The first consensus standard CC2 signal of the first consensus standard DC charging rifle is received, the first consensus standard CC2 signal control second is opened
Close 222 turn-on and turn-off of element；
Signal imitation output circuit 30, signal imitation output circuit 30 include CC signal control signal 31 and CP signal control
Input terminal 32 processed, CC signal control signal 31 respectively with CC signal control output end 15 and first switching element 221 first
End electrical connection, the first end with CP signal control output end 16 and second switch element 222 respectively of CP signal control signal 32
Electrical connection；Signal imitation output circuit 30 further includes second protocol standard CC signal output end 33 and second protocol standard CP signal
Output end 34, wherein the CC signal for meeting second protocol standard that signal imitation output circuit 30 is exported according to microprocessor 10
It controls signal and CP signal control signal generates second protocol standard CC signal and second protocol standard CP signal, and by the second association
View standard CC signal output end 33 and second protocol standard CP signal output end 34 are sent respectively to electric car Vehicle Controller.
Wherein, the control circuit of the electric car charge protocol conversion circuit can be set at electric car end, can also be with
Transit module as electric car charging is integrated on the charger of peripheral hardware, is not done to the setting position of the control circuit herein
Limitation.First consensus standard and second protocol standard may respectively be one of country variant consensus standard consensus standard, wherein
National consensus standard includes national standard, American Standard, Japanese consensus standard and European Protocols standard etc., illustratively, the first consensus standard
It can be the GB18487 consensus standard in national standard, second protocol standard is the SAE J1772 consensus standard in American Standard.Below with reference to
Fig. 1 simply introduces the course of work and principle of the control circuit:
Firstly, the control circuit can believe the CC signal and CP signal or CAN that the charging pile of the first consensus standard provides
Number and CC2 signal be converted to CC signal and CP signal that the electric car of second protocol standard can identify.Specifically, micro process
The the first consensus standard CC signal and CP signal or the first agreement of receiving that device 10 passes through the first consensus standard AC charging rifle of reception
The the first consensus standard CC2 signal input part and the first consensus standard CAN signal of standard DC charging rifle turn after analysis is handled
It is changed to the CC control of corresponding first consensus standard AC charging rifle connection status or the first consensus standard DC charging rifle connection status
Signal and CP processed control signal, and are sent to signal imitation output circuit 30, and signal imitation output circuit 30 is then controlled according to CC
Signal and CP control signal mode draw up the CC signal and CP signal for meeting second protocol standard, are supplied to electric car and realize charging
Protocol.Secondly, the control circuit can also meet to what microprocessor 10 exported by charging signals control circuit 20
The CC control signal and CP control signal of two consensus standards are controlled.Specifically, first in charging signals control circuit 20
The first end of switch element 221 and second switch element 222 respectively with the CC signal control output end 15 of microprocessor 10 and CP
Signal control output end 16 is electrically connected, and CC signal control signal 31 and CP signal control with signal imitation output circuit 30
Input terminal 32 processed is electrically connected, and second end is then grounded, it is clear that when first switching element 221 and second switch element 222 are connected
When, CC signal control output end 15, CP signal control output end 16, CC signal control signal 31 and CP signal control signal
32 are grounded, and signal imitation output circuit 30 then controls the input of signal and CP control signal without CC, therefore will not generate second
The CC signal and CP signal of consensus standard, and when first switching element 221 and second switch element 222 turn off, microprocessor
10 and signal imitation output circuit 30 protocol conversion process it is uncontrolled, can be realized the work of normal conversion.First switch
The control terminal of element 221 and second switch element 222 receives the CC2 signal of the first consensus standard, i.e. first switching element 221
Turn-on and turn-off are controlled by the first consensus standard CC2 signal with second switch element 222.It is thus understood that when
When one consensus standard DC charging rifle is pulled up, the first consensus standard CC2 signal changes, at this time 221 He of first switching element
Second switch element 222 can be become turning off from conducting immediately, so that preventing signal imitation output circuit 30 to simulate immediately generates the
The CC signal and CP signal of two consensus standards.It should be noted that in the insertion of the first consensus standard AC charging rifle and the first association
It assesses a bid for tender in the case of collimating two kinds of current charge rifle insertion, microprocessor 10 analyzes input signal and what is exported after converting meets the second association
The CC control signal and CP control signal for assessing a bid for tender quasi- be not identical, and microprocessor 10 controls signal by CC and CP controls signal and makes
Signal imitation output circuit 30 exports corresponding first consensus standard AC charging rifle insert state or the first consensus standard direct current fills
The second protocol standard CC signal and CP signal of electric rifle insertion.In addition to this, the first consensus standard DC charging rifle is inserted into
Under state, microprocessor 10, which also needs to export CAN signal, gives transceiver (not shown), from transceiver to the vehicle-mounted control of electric car
Device processed sends the charge protocol converting circuit structure on some bases such as identifiable CAN signal, herein with no restrictions.
Electric car charge protocol conversion control circuit provided by the embodiment of the utility model, by the way that microprocessor 10 is arranged
With signal imitation output circuit 30, believed by microprocessor 10 according to the first consensus standard CC that the first consensus standard charging pile provides
Number and CP signal or the first consensus standard CC2 signal input part and the first consensus standard CAN signal, handle for CC control signal and
CP controls signal, and controls the CC signal and CP signal of 30 simulation output second protocol standard of signal imitation output circuit, can incite somebody to action
First consensus standard signal is converted to second protocol standard signal, realizes the charging pile of the first consensus standard to second protocol mark
The charging of quasi- electric car；Meanwhile by the way that charging signals control circuit 20 is arranged, by first switching element 221 and second switch
Whether the control terminal of element 222 is passed through the first consensus standard CC2 signal, with to microprocessor 10 to signal imitation output circuit 30
Input meets the CC control signal of second protocol standard and CP control signal is controlled, so as to the energy when charging gun pulls out
Second protocol standard CC signal and CP signal are quickly disconnected, solves second protocol standard electric car to charging gun connection status
The problem of judgement is delayed and may cause Vehicle Controller damage, realize the protection of Vehicle Controller and the safety of electric car
Charging.
In the control circuit of electric car charge protocol conversion as above, charging signals control circuit 20 is only by the first agreement
The CC2 signal of standard DC charging rifle controls, it is clear that after the DC charging rifle of the first consensus standard pulls out, the electric car
Charge protocol conversion control circuit just stops protocol conversion, can not if the first consensus standard AC charging rifle is inserted at this time
Signal after obtaining protocol conversion.Therefore in view of this, the utility model embodiment additionally provides a kind of electric car charging association
The control circuit of conversion is discussed, Fig. 2 is the control of another electric car charge protocol conversion provided by the embodiment of the utility model
The circuit diagram of circuit, with reference to Fig. 2, in the control circuit of electric car charge protocol conversion, microprocessor 10 further includes exchange
Charging gun connection signal output end 17, wherein microprocessor 10 is according to the first consensus standard CC signal and the first consensus standard CP
Signal generates AC charging rifle connection signal and is exported by AC charging rifle connection signal output end 17；221 He of first switching element
Second switch element 222 is high level conducting switch；
Charging signals control circuit 20 further includes third switch element 223 and the 4th switch element 224；Third switch element
223 first end is connect with the control terminal of first switching element 221, the second end ground connection of third switch element 223, third switch
223 control terminal is electrically connected with the AC charging rifle connection signal output end 17 of microprocessor 10；The of 4th switch element 224
One end is connect with the control terminal of second switch element 222, the second end ground connection of the 4th switch element 224, the control of the 4th switch 224
End processed is electrically connected with the AC charging rifle connection signal output end 17 of microprocessor 10.
Wherein, AC charging rifle connection signal can indicate that the first consensus standard AC charging rifle is in not connected or has connected
State is connect, table 1 is the control logic state table of control circuit shown in Fig. 2, below with reference to the accompanying drawings 2 and table 1, to the control circuit work
Be introduced as principle: when the connection of DC charging rifle, the first consensus standard CC2 signal exports low level, controls first at this time
Switch element 221 and second switch element 222 disconnect, and the reception microprocessor 10 of signal imitation output circuit 30 meets the second association
The CC signal control signal and CP signal control signal for standard of assessing a bid for tender, the second protocol standard CC that simulation generates corresponding direct current connection are believed
Number and second protocol standard CP signal；When DC charging rifle is not connected, the first consensus standard CC2 signal exports high level, this
When control first switching element 221 and second switch element 222 be connected, the CC signal of signal imitation output circuit 30 controls input
31 and CP signal control signal 32 is held to be grounded, therefore second protocol standard CC signal output end 33 and second protocol standard CP signal
The not output signal of output end 34.And when DC charging rifle is not connected, AC charging rifle is in connected status, in order not to interfere
Normal AC charging process, AC charging rifle connection signal output end 17 controls third switch 223 and the 4th switch 224 is led
Logical, first switching element 221 and the control terminal of second switch element 222 are grounded at this time, the first switch member of high level conducting
Part 221 and second switch element 222 disconnect at this time, and the reception microprocessor 10 of signal imitation output circuit 30 meets second protocol
The CC signal control signal and CP signal control signal of standard, simulation generate the second protocol standard CC signal of corresponding exchange connection
With second protocol standard CP signal.
It should be noted that it is 0 and 1 right respectively that direct current rifle, which is connected and disconnected from the first consensus standard CC2 signal, in table 1
It answers, exchange rifle, which is connected and disconnected from, to be respectively corresponded with AC charging rifle connection signal for 1 and 0, in addition, AC charging rifle connects in table
When signal is 0, i.e., when exchange rifle disconnects, direct current rifle is connected and disconnected from then corresponding control first switching element and second switch member
Part, which switches off and on, is pulled down to ground, and third switch is then held off due to exchanging rifle disconnection with the 4th switch；First agreement
When 2 signal of standard CC is 1, i.e., when direct current rifle disconnects, exchange rifle is connected and disconnected from corresponding control third switch and the 4th switch
Conducting be pulled down to and shutdown, first switching element and second switch element be then held off since direct current rifle disconnects.
Table 1
Optionally, the first switching element in charging signals control circuit is the first triode, and second switch element is the
Two triodes, specifically, the utility model embodiment additionally provide the control circuit of specific electric car charge protocol conversion,
Fig. 3 is the circuit diagram of the control circuit of another electric car charge protocol conversion provided by the embodiment of the utility model, reference
Fig. 3, wherein charging signals control circuit 20 further include first resistor R1, second resistance R2,3rd resistor R3, the 4th resistance R4,
The first end of the first end and first capacitor C1 of first capacitor C1 and the second capacitor C2, first resistor R1 is electrically connected and and micro process
First consensus standard CC2 signal input part 14 of device 10 is electrically connected, for receiving the first of the first consensus standard DC charging rifle
Consensus standard CC2 signal, the second end ground connection of first capacitor C1, the second end of first resistor R1 is respectively with the first triode Q1's
Base stage and the electrical connection of the first end of second resistance R2, the second end of second resistance R2 are electrically connected with the emitter of the first triode Q1
And be grounded, the collector of the first triode Q1 is electrically connected with the CC signal control output end 15 of microprocessor 10；
The first end of 3rd resistor R3 and the electrical connection of the first end of the second capacitor C2 and the first agreement with microprocessor 10
The electrical connection of 2 signal input part 14 of standard CC, the first consensus standard CC2 for receiving the first consensus standard DC charging rifle believe
Number, the second end of the second capacitor C2 is grounded, and the second end of 3rd resistor R3 is electric with the base stage of the second triode Q2 and the 4th respectively
The first end electrical connection of R4 is hindered, the second end of the 4th resistance R4 is electrically connected and is grounded with the emitter of the second triode Q2, and second
The collector of triode Q2 is electrically connected with the CP signal control output end 16 of microprocessor 10.
Wherein, the first triode Q1 and the second triode Q2 receives the first association of the first consensus standard DC charging rifle respectively
It assesses a bid for tender quasi- CC2 signal, and pressure stabilizing and filtering is carried out by first capacitor C1 and the second capacitor C2 respectively, by the first consensus standard
CC2 signal controls the turn-on and turn-off of the first triode Q1 and the second triode Q3, illustratively, for national standard DC charging
Rifle exports low level signal, the first triode Q1 and the second triode Q2 shutdown, signal imitation output electricity in connected state
Road 30 exports the American Standard CC signal and American Standard CP signal of corresponding direct current connection；National standard DC charging rifle exports in the unconnected state
High level signal, the first triode Q1 and the second triode Q2 conducting, the not output signal of signal imitation output circuit 30.
Further, with reference to Fig. 3, third switch element is third transistor Q3, and the 4th switch element is the 4th triode
Q4；Charging signals control circuit 20 further includes the 5th resistance R5, the 6th resistance R6 and third capacitor C3；The first of 5th resistance R5
The first end of end and third capacitor C3 are electrically connected and are electrically connected with the AC charging rifle connection signal output end 17 of microprocessor 10,
The second end of 5th resistance R5 is electrically connected with the first end of the base stage of third transistor Q3 and the 6th resistance R6 respectively, the three or three pole
The emitter of pipe Q3 and the second end of the 6th resistance R6 are electrically connected and grounded, the second end ground connection of third capacitor C3；
Charging signals control circuit 20 further includes the 7th resistance R7, the 8th resistance R8 and the 4th capacitor C4；7th resistance R7
First end and the 4th capacitor C4 first end electrical connection and the AC charging rifle connection signal output end 17 with microprocessor 10
Electrical connection, the second end of the 7th resistance R7 are electrically connected with the first end of the base stage of the 4th triode Q4 and the 8th resistance R8 respectively,
The collector of 4th triode Q4 is electrically connected with the first end of 3rd resistor R3, the emitter and the 8th resistance of the 4th triode Q4
The second end of R8 is electrically connected and grounded, the second end ground connection of the 4th capacitor C4.
Wherein, the AC charging rifle connection signal that third transistor Q3 and the 4th triode Q4 is then exported by microprocessor 10
Output end 17 controls turn-on and turn-off, specifically, when the first consensus standard AC charging rifle is in not-connected status, micro process
The AC charging rifle connection signal that device 10 exports is low level signal, and third transistor Q3 and the 4th triode Q4 are turned off, at this time
The level for being connected and disconnected from i.e. the first consensus standard CC2 signal of DC charging rifle determines that first switching element 221 and second is opened
It closes whether element 222 is connected, that is, determines the CC signal control signal 31 and the control of CP signal of signal imitation output circuit 30
Whether input terminal 32 is grounded, thus second protocol standard CC signal output end 33 and second protocol standard CP signal output end 34 whether
Output signal is controlled by the first consensus standard CC2 signal；When the first consensus standard AC charging rifle is in connection status, micro- place
Managing the AC charging rifle connection signal that device 10 exports is high level signal, third transistor Q3 and the 4th triode Q4 conducting, letter
Number analog output circuit 30 receives the CC signal control output end 15 of microprocessor 10 and CP signal control output end 16 exports
Meet the CC signal control signal and CP signal control signal of second protocol standard, simulation generates the second association of corresponding exchange connection
Discuss standard CC signal and second protocol standard CP signal.
First triode Q1, the second triode Q2, third transistor Q3 and the 4th triode Q4 as shown in Figure 3 is height
Level conducting, that is, use NPN type triode, and adaptively, those skilled in the art can be according to specific first Protocol Standard
The level logic of CC2 signal in current charge rifle is collimated, selecting the first triode Q1 and the second triode Q2 is PNP type triode,
That is low level turn-on transistor, and can type to third transistor Q3 and the 4th triode Q4 and microprocessor 10 hand over
The level signal that current charge rifle connection signal output end 17 exports is designed and selects, such as third transistor Q3 can be set
It is NPN type, that is, low level turn-on transistor with the 4th triode Q4, is in not connected shape in the first consensus standard AC charging rifle
When state, the AC charging rifle connection signal that microprocessor 10 exports is high level signal, third transistor Q3 and the 4th triode
Q4 shutdown；When the first consensus standard AC charging rifle is in connection status, the AC charging rifle that microprocessor 10 exports is connected
Signal is low level signal, third transistor Q3 and the 4th triode Q4 conducting.
The utility model embodiment additionally provides a kind of control circuit of electric car charge protocol conversion, and Fig. 4 is this reality
It is optional with reference to Fig. 4 with the circuit diagram for the control circuit that another electric car charge protocol that new embodiment provides is converted
Ground, microprocessor 10 further include second protocol standard CC signal acquisition terminal 18 and second protocol standard CP signal acquisition terminal 19, and
Two consensus standard CC signal acquisition terminals 18 and the second protocol standard CC signal output end 33 of signal imitation output circuit 30 are electrically connected
It connects, the second protocol standard CP signal output end 34 of second protocol standard CP signal acquisition terminal 19 and signal imitation output circuit 30
Electrical connection, wherein microprocessor 10 can charge according to second protocol standard CC signal and second protocol standard CP signal monitoring
The failure of signal control circuit 20 and signal imitation output circuit 30.
Specifically, Fig. 5 is the control electricity of another electric car charge protocol conversion provided by the embodiment of the utility model
The circuit diagram on road, with reference to Fig. 5, wherein charging signals control circuit 20 further includes the 9th resistance R9, the tenth resistance R10, the 11st
Resistance R11, the 5th capacitor C5 and the 6th capacitor C6；The first end of 9th resistance R9 and the second association of signal imitation output circuit 30
Discuss standard CC signal output end 33 be electrically connected, the second end of the 9th resistance R9 be electrically connected with the first end of the 5th capacitor C5 and with it is micro-
The CC signal acquisition terminal 18 of processor 10 is electrically connected；The first end of tenth resistance R10 and the second of signal imitation output circuit 30
Consensus standard CP signal output end 34 be electrically connected, the second end of the tenth resistance R10 respectively with the first end of eleventh resistor R11 and
The first end of 6th capacitor C6 is electrically connected and is electrically connected with the CP signal acquisition terminal 19 of microprocessor 10, eleventh resistor R11's
Second end ground connection, the second end ground connection of the 6th capacitor C6.
With continued reference to Fig. 5, optionally, control circuit further includes the 7th capacitor C7, the first end and signal of the 7th capacitor C7
The second protocol standard CC signal output end of analog output circuit 30 is electrically connected, the second end ground connection of the 7th capacitor C7.Pass through
The second protocol standard CC signal that seven capacitor C7 can export signal imitation output circuit 30 is filtered pressure stabilizing, and output is stablized
Second protocol standard CC signal.
Optionally as well, control circuit further includes the 8th capacitor C8, first switch diode D1 and second switch diode
D2；The first end of 8th capacitor C8 is electrically connected with the second protocol standard CP signal output end 34 of signal imitation output circuit 30,
The second end of 8th capacitor C8 is grounded；The cathode of first switch diode D1 and the second protocol mark of signal imitation output circuit 30
Quasi- CP signal output end 34 is electrically connected, and the anode of first switch diode D1 is electrically connected with the anode of second switch diode D2,
The cathode of second switch diode D2 is grounded.Wherein, the 8th capacitor C8 can to second protocol standard CP signal carry out pressure stabilizing and
Filtering, while the first switch diode D1 of differential concatenation and second switch diode D2 then carry out clamper, make second protocol mark
Quasi- CP signal output voltage is limited in preset value.
The utility model embodiment additionally provides a kind of charge protocol switching controller, and Fig. 6 is the utility model embodiment
A kind of structural schematic diagram of charge protocol switching controller is additionally provided, with reference to Fig. 6, which includes upper
Any one electric car charge protocol conversion control circuit 100 of embodiment offer is provided.Due to the charge protocol conversion and control
Device uses the electric car charge protocol conversion control circuit that embodiment as above provides, therefore the charge protocol switching controller
It is likewise supplied with the beneficial effect of the electric car charge protocol conversion control circuit.
Further, the utility model embodiment additionally provides a kind of electric car, which includes as above
Charge protocol switching controller further include in addition to this Vehicle Controller, the electric car in charge protocol switching controller
The second protocol standard CC signal output end and second protocol standard CP signal output end of charge protocol conversion control circuit are distinguished
It is electrically connected with the vehicle-mounted controller.Wherein, charge protocol switching controller is according to the first Protocol Standard of the first consensus standard charging pile
Quasi- CC signal, the first consensus standard CP signal, the first consensus standard CAN signal and the first consensus standard CC2 signal generate second
Consensus standard CC signal and second protocol standard CP signal are simultaneously sent to Vehicle Controller.Since the electric car uses as above
The charge protocol switching controller that embodiment provides, therefore the electric car is likewise supplied with having for the charge protocol switching controller
Beneficial effect.
Note that above are only the preferred embodiment and institute's application technology principle of the utility model.Those skilled in the art's meeting
Understand, the utility model is not limited to specific embodiment described here, is able to carry out for a person skilled in the art various bright
Aobvious variation is readjusted, be combined with each other and is substituted without departing from the protection scope of the utility model.Therefore, although passing through
Above embodiments are described in further detail the utility model, but the utility model is not limited only to the above implementation
Example can also include more other equivalent embodiments in the case where not departing from the utility model design, and the utility model
Range is determined by the scope of the appended claims.
Claims (9)
1. a kind of control circuit of electric car charge protocol conversion characterized by comprising
Microprocessor, the microprocessor include the first consensus standard CC signal input part, the input of the first consensus standard CP signal
End, the first consensus standard CC2 signal input part and the first consensus standard CAN signal input terminal, the microprocessor further includes CC
Signal control output end and CP signal control output end；
Charging signals control circuit, the charging signals control circuit include the first consensus standard CC2 signal control signal, institute
State the first consensus standard CC2 signal input part of the first consensus standard CC2 signal control signal and the microprocessor
Electrical connection；The charging signals control circuit further includes first switching element and second switch element, the first switching element
First end be electrically connected with the CC signal control output end of the microprocessor, the first switching element second termination
Ground, the control terminal of the first switching element are electrically connected with the first consensus standard CC2 signal control signal；Described second
The electrical connection of the CP signal control output end of the first end of switch element and the microprocessor, the second switch element
Second end ground connection, the control terminal of the second switch element are electrically connected with the first consensus standard CC2 signal control signal；
Signal imitation output circuit, the signal imitation output circuit include CC signal control signal and the control input of CP signal
End, the CC signal control signal are electric with the first end of CC signal control output end and the first switching element respectively
Connection, the CP signal control signal first end with CP signal control output end and the second switch element respectively
Electrical connection；The signal imitation output circuit further includes second protocol standard CC signal output end and second protocol standard CP signal
Output end.
2. control circuit according to claim 1, which is characterized in that the microprocessor further includes the connection of AC charging rifle
Signal output end；The first switching element and the second switch element are high level conducting switch；
The charging signals control circuit further includes third switch element and the 4th switch element；The of the third switch element
One end is connect with the control terminal of the first switching element, the second end ground connection of the third switch element, the third switch
Control terminal be electrically connected with the AC charging rifle connection signal output end of the microprocessor；4th switch element
First end is connect with the control terminal of the second switch element, and the second end ground connection of the 4th switch element, the described 4th opens
The control terminal of pass is electrically connected with the AC charging rifle connection signal output end of the microprocessor.
3. control circuit according to claim 2, which is characterized in that the first switching element is the first triode, institute
Stating second switch element is the second triode；
The charging signals control circuit further include first resistor, second resistance, 3rd resistor, the 4th resistance, first capacitor and
The first end of second capacitor, the first end of the first resistor and the first capacitor is electrically connected and the institute with the microprocessor
The electrical connection of the first consensus standard CC2 signal input part is stated, the second end of the first capacitor is grounded, and the second of the first resistor
End is electrically connected with the first end of the base stage of first triode and the second resistance respectively, the second end of the second resistance
It is electrically connected and is grounded with the emitter of first triode, the collector of first triode and the institute of the microprocessor
State the electrical connection of CC signal control output end；
The first end of the 3rd resistor and the electrical connection of the first end of second capacitor and with the microprocessor described the
The electrical connection of one consensus standard CC2 signal input part, the second end ground connection of second capacitor, the second end point of the 3rd resistor
It is not electrically connected with the first end of the base stage of second triode and the 4th resistance, the second end of the 4th resistance and institute
The emitter for stating the second triode is electrically connected and is grounded, the collector of second triode and the CP of the microprocessor
The electrical connection of signal control output end.
4. control circuit according to claim 3, which is characterized in that the third switch element is third transistor, institute
Stating the 4th switch element is the 4th triode；
The charging signals control circuit further includes the 5th resistance, the 6th resistance and third capacitor；The first of 5th resistance
The electrical connection of the first end of end and the third capacitor and the AC charging rifle connection signal output end with the microprocessor
Electrical connection, the second end of the 5th resistance are electric with the base stage of the third transistor and the first end of the 6th resistance respectively
Connection, the collector of the third transistor are electrically connected with the first end of the first resistor, the transmitting of the third transistor
Pole and the second end of the 6th resistance are electrically connected and grounded, the second end ground connection of the third capacitor；
The charging signals control circuit further includes the 7th resistance, the 8th resistance and the 4th capacitor；The first of 7th resistance
The electrical connection of the first end of end and the 4th capacitor and the AC charging rifle connection signal output end with the microprocessor
Electrical connection, the second end of the 7th resistance are electric with the base stage of the 4th triode and the first end of the 8th resistance respectively
Connection, the collector of the 4th triode are electrically connected with the first end of the 3rd resistor, the transmitting of the 4th triode
Pole and the second end of the 8th resistance are electrically connected and grounded, the second end ground connection of the 4th capacitor.
5. control circuit according to claim 4, which is characterized in that the microprocessor further includes second protocol standard CC
Signal acquisition terminal and second protocol standard CP signal acquisition terminal, the second protocol standard CC signal acquisition terminal and the signal mode
The second protocol standard CC signal output end electrical connection of quasi- output circuit, the second protocol standard CP signal acquisition terminal with
The second protocol standard CP signal output end of the signal imitation output circuit is electrically connected.
6. control circuit according to claim 5, which is characterized in that the charging signals control circuit further includes the 9th electricity
Resistance, the tenth resistance, eleventh resistor, the 5th capacitor and the 6th capacitor；
The first end of 9th resistance and the second protocol standard CC signal output end of the signal imitation output circuit
Electrical connection, the second end of the 9th resistance be electrically connected with the first end of the 5th capacitor and with described in the microprocessor
The electrical connection of CC signal acquisition terminal, the second end ground connection of the 5th capacitor；
The first end of tenth resistance and the second protocol standard CP signal output end of the signal imitation output circuit
Electrical connection, the second end of the tenth resistance first end with the first end of the eleventh resistor and the 6th capacitor respectively
It is electrically connected and is electrically connected with the CP signal acquisition terminal of the microprocessor, the second end ground connection of the eleventh resistor, institute
State the second end ground connection of the 6th capacitor.
7. control circuit according to claim 3, which is characterized in that the control circuit further includes the 7th capacitor, described
The first end of 7th capacitor is electrically connected with the second protocol standard CC signal output end of the signal imitation output circuit, institute
State the second end ground connection of the 7th capacitor；
The control circuit further includes the 8th capacitor, first switch diode and second switch diode；
The first end of 8th capacitor and the second protocol standard CP signal output end of the signal imitation output circuit
Electrical connection, the second end ground connection of the 8th capacitor；
The cathode of the first switch diode and the second protocol standard CP signal of the signal imitation output circuit are defeated
Outlet electrical connection, the anode of the first switch diode are electrically connected with the anode of the second switch diode, and described second
The cathode of switching diode is grounded.
8. a kind of charge protocol switching controller, which is characterized in that filled including electric car as claimed in claim 1
Electric protocol conversion control circuit.
9. a kind of electric car, which is characterized in that including charge protocol switching controller as claimed in claim 8, further include
Vehicle Controller, the second association of the electric car charge protocol conversion control circuit in the charge protocol switching controller
View standard CC signal output end and second protocol standard CP signal output end are electrically connected with the Vehicle Controller respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920090727.1U CN209409847U (en) | 2019-01-18 | 2019-01-18 | A kind of electric car charge protocol conversion control circuit, controller and electric car |
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|---|---|---|---|
| CN201920090727.1U CN209409847U (en) | 2019-01-18 | 2019-01-18 | A kind of electric car charge protocol conversion control circuit, controller and electric car |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111193311A (en) * | 2020-03-02 | 2020-05-22 | 江苏兆能电子有限公司 | Method for adapting national standard OBC product to American standard charging gun |
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2019
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111193311A (en) * | 2020-03-02 | 2020-05-22 | 江苏兆能电子有限公司 | Method for adapting national standard OBC product to American standard charging gun |
| CN111193311B (en) * | 2020-03-02 | 2021-01-01 | 江苏兆能电子有限公司 | Method for adapting national standard OBC product to American standard charging gun |
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Address after: 4 / F, building 1, No.14 Jiuxianqiao Road, Chaoyang District, Beijing 100020 Patentee after: Beijing Jingwei Hengrun Technology Co., Ltd Address before: 100101 Beijing city Chaoyang District Anxiang Beili 11 B block 8 layer of Beijing Jingwei Hengrun Technology Co. Ltd. Patentee before: Beijing Jingwei HiRain Technologies Co.,Ltd. |
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