CN109760544A - Top charging bow DC charging control guidance circuit and implementation method - Google Patents

Top charging bow DC charging control guidance circuit and implementation method Download PDF

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Publication number
CN109760544A
CN109760544A CN201811610355.7A CN201811610355A CN109760544A CN 109760544 A CN109760544 A CN 109760544A CN 201811610355 A CN201811610355 A CN 201811610355A CN 109760544 A CN109760544 A CN 109760544A
Authority
CN
China
Prior art keywords
charging
vehicle
switch
bow
supply
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.)
Pending
Application number
CN201811610355.7A
Other languages
Chinese (zh)
Inventor
张萱
李旭玲
倪峰
栗文涛
于世友
李志刚
董新生
刘永东
李晓强
耿群锋
赵翔
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
State Grid Corp of China SGCC
China Electric Power Research Institute Co Ltd
NARI Group Corp
State Grid Beijing Electric Power Co
Original Assignee
State Grid Corp of China SGCC
China Electric Power Research Institute Co Ltd
NARI Group Corp
State Grid Beijing Electric Power Co
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by State Grid Corp of China SGCC, China Electric Power Research Institute Co Ltd, NARI Group Corp, State Grid Beijing Electric Power Co filed Critical State Grid Corp of China SGCC
Priority to CN201811610355.7A priority Critical patent/CN109760544A/en
Publication of CN109760544A publication Critical patent/CN109760544A/en
Pending legal-status Critical Current

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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/60Other road transportation technologies with climate change mitigation effect
    • Y02T10/70Energy storage systems for electromobility, e.g. batteries
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/60Other road transportation technologies with climate change mitigation effect
    • Y02T10/7072Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10Technologies relating to charging of electric vehicles
    • Y02T90/12Electric charging stations
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10Technologies relating to charging of electric vehicles
    • Y02T90/14Plug-in electric vehicles
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10Technologies relating to charging of electric vehicles
    • Y02T90/16Information or communication technologies improving the operation of electric vehicles

Abstract

It charges the invention discloses a kind of top and bends DC charging control guidance circuit and implementation method, it is characterized in that, supply side control pilot circuit includes: that pull-up power supply U1, switch S0, resistance R1, resistance R1 ', the end supply side CP are sequentially connected in series, switch S1 is attempted by the both ends resistance R1 ', is attempted by the end supply side PE and the end supply side CP after resistance R4 and switch S3 series connection;Automobile side control pilot circuit includes: that the end vehicle side PE, resistance R3, diode D1, the end vehicle side CP are sequentially connected in series, and resistance R2 and switch S2 are attempted by the end vehicle side PE and the end vehicle side CP after connecting;The first monitoring point is equipped between resistance R1 ' and the end supply side CP;The second monitoring point is equipped between the end vehicle side CP and diode D1.Advantage: the reliability and timeliness of DC high-power charging are improved;It realizes to the quick judgement of fault detection and real-time response.

Description

Top charging bow DC charging control guidance circuit and implementation method
Technical field
The present invention relates to a kind of top charging bow DC charging control circuits and implementation method, in particular to one kind to be suitable for The charging of electric motor coach top DC.
Background technique
There are more drawbacks to electric motor coach charging for Traditional DC charger, are limited by charging interface voltage and current energy Power, maximum charge ability are 1000V DC and 250A, are generally charged simultaneously using more charging interfaces, and such charging gun line weight needs Charging pile pipette tips are pulled and adjusted, are not easy to plug, the cumbersome reduction user experience of charging process.Electric car charging mould Formula is bent using the charging with autoconnect function, is solved in the prior art using double charging guns when charging to electric motor coach The problem for pulling charging gun line and causing charge user task amount weight, experience poor, the convenience of enhancing electric motor coach charging, is improved Electric motor coach charge efficiency promotes user's charging experience.
How to realize that establishing charging connection matches and can detect connecting fault, is to guarantee that electric motor coach securely and reliably charges Critical issue.
Summary of the invention
The technical problem to be solved by the present invention is to overcome the deficiencies of existing technologies, a kind of charging bow direct current in top is provided and is filled Electric control guidance circuit and implementation method monitor the variation of monitoring point voltage, confirmation charging shape by control switch state simultaneously State improves the reliability and timeliness of DC high-power charging;It realizes to the quick judgement of fault detection and real-time response, it can The means and tool of effectively detection, assessment abnormal failure are provided for charging equipment manufacturer or electric car producer.
In order to solve the above technical problems, the present invention provides a kind of top charging bow DC charging control guidance circuit, it is special Sign is, including supply side control pilot circuit and automobile side control pilot circuit;
The supply side control pilot circuit includes pull-up power supply U1, switch S0, resistance R1, resistance R1 ', resistance R4, opens S1, switch S3, the end supply side PE and the end supply side CP are closed,
Wherein pull-up power supply U1, switch S0, resistance R1, resistance R1 ', the end supply side CP are sequentially connected in series, and switch S1 is attempted by The end supply side PE and the end supply side CP are attempted by after the both ends resistance R1 ', resistance R4 and switch S3 series connection;
The automobile side control pilot circuit includes resistance R2, resistance R3, switch S2, diode D1, the end vehicle side PE and The end vehicle side CP,
Wherein the end vehicle side PE, resistance R3, diode D1, the end vehicle side CP are sequentially connected in series, and resistance R2 and switch S2 connect After be attempted by the end vehicle side PE and the end vehicle side CP;
It is equipped with the first monitoring point (1) between resistance R1 ' and the end supply side CP, the voltage of the first monitoring point (1) is power supply Voltage between the side end CP and the end supply side PE, for charging, bow is confirmed whether to be fully connected vehicle;
The second monitoring point (2) are equipped between the end vehicle side CP and diode D1, the voltage of the second monitoring point (2) is vehicle Voltage between the side end CP and the end PE is confirmed whether to be fully connected charging bow for vehicle.
Further, vehicle side PE end connection vehicle body.
Further, the anode connection resistance R3 of the diode D1, cathode connect the end vehicle side CP.
A kind of implementation method of top charging bow DC charging control guidance circuit, which comprises the steps of:
Step 1 is restored to original position in charging bow, and supply side switch S0 and switch S3 are in closed state, and switch S1 is in Off-state, 1 voltage nominal value of monitoring point are 11V, and 2 voltage nominal value of vehicle side monitoring point is 0V;It is at this time P-state;
Step 2 bends ready, the closure switch S1 that charges when supply side charges, and 1 voltage nominal value of monitoring point is 12V, is opened Begin wireless communication;Vehicle side switch S2 is in an off state, and 2 voltage nominal value of monitoring point is 0V;It is at this time A condition;
After step 3, both sides establish communication, charging bow is fully connected vehicle, and monitoring point 1 and 2 voltage nominal value of monitoring point are equal For 9V;It is at this time B state;
Step 4, when Vehicular charging it is ready, closure switch S2, monitoring point 1 and 2 voltage nominal value of monitoring point are 6V, Both sides enter the charging stage;It is at this time C-state;
Whether step 5, during the charging process, charging bow and vehicle detect monitoring point 1 and 2 voltage nominal value of monitoring point respectively For 6V, if so, continuing to charge;Otherwise, stop charging.
Further, in the step 5, the stopping charging further includes following 4 kinds of suspension charging: supply side promptly stops Machine, vehicle side emergency shutdown actively stop charging and passive shutdown.
Further, the supply side emergency shutdown are as follows: emergency occurs for charging bow, then the bow that charges disconnects switch S1, Charging current is down to 5A in 100ms hereinafter, supply side, which is sent, stops charging message, and the bow that will charge is restored to original position, this When be P-state.
Further, the vehicle side emergency shutdown are as follows: emergency occurs for vehicle, then vehicle disconnects switch S2, vehicle Side, which is sent, stops charging message, and charging bow detects that Ucp is non-6V, and charging current is down to 5A in 100ms hereinafter, disconnecting Switch S1, and charging bow is restored to original position, it is at this time P-state.
Further, the active stops charging are as follows:
A) when Vehicular battery is full of or reaches end-of-charge condition, vehicle, which is sent, stops charging message, disconnects S2 switch, After charging bow receives vehicle suspension charging message, S1 switch is disconnected, and charging current is down to 5A in 100ms hereinafter, and will Charging bow is restored to original position, is at this time P-state;
B) when charging bow reaches end-of-charge condition, charging bow, which is sent, stops charging message, disconnects S1 switch, and will charging Electric current be down to 5A in 100ms hereinafter, and charging bow is restored to original position, vehicle receives after charging bow stops charging message, breaks S2 switch is opened, is at this time P-state.
Further, the passive shutdown are as follows:
A) when vehicle passively stops, that is, the suspension charging message that charging bow is sent is received, vehicle disconnects S2 switch, charging bow It sends after stopping charging message, disconnects S1 switch immediately, and charging current is down to 5A in 100ms hereinafter, and bending charging It is restored to original position, is at this time P-state;
B) it when charging bow passively stops, that is, receives vehicle transmission and stops charging message, charge bow disconnection S1 switch, and will fill Electric current be down to 5A in 100ms hereinafter, and charging bow is restored to original position, vehicle is sent stop charging message after, break immediately S2 switch is opened, is at this time P-state.
Advantageous effects of the invention:
1) control guidance circuit only has the end PE and the end CP, and opposite conductivity formula DC charging system controls guidance circuit (GB/T 18487.1-2015), cost is relatively low less for number of poles, also reduces spininess and connects existing risk and unstability;
2) control guidance circuit is equipped with monitoring point, is controlled by switch (S1) and switch (S2), knee both sides' root According to the voltage change of monitoring point 1 and monitoring point 2 as charging activation signal;
3) present invention solve at present Chinese DC charging without hard node signal, response speed is slow, reliability is low the problems such as, Judgement and responding ability of the knee to failure are improved, charging security reliability is improved.Data communication can be used as supplementary means, Enhance knee both sides to fault location and processing capacity;
4) for the present invention by hardware node mode, knee can determine whether out PE/CP failure, stop charging in time, and help System maintenance personnel more accurately judge the position of specific broken needle, so that maintenance personnel solves failure faster, reduce system dimension Protect time and maintenance cost.It can securely and reliably charge for electric car using the present invention and technology guarantee is provided.
Detailed description of the invention
Fig. 1 is charging bow DC charging control guidance circuit schematic diagram at the top of the present invention;
Fig. 2 is monitoring point voltage status figure of the invention.
Specific embodiment
The invention will be further described below in conjunction with the accompanying drawings.Following embodiment is only used for clearly illustrating the present invention Technology, and not intended to limit the protection scope of the present invention.
As shown in Figure 1, a kind of top charging bow DC charging controls guidance circuit, which is characterized in that including supply side control System guidance circuit and automobile side control pilot circuit;
Supply side control pilot circuit include pull-up power supply U1, switch S0, resistance R1, resistance R1 ', resistance R4, switch S1, Switch S3, the first monitoring point 1, the end supply side PE, pull-up power supply U1, switch S0, resistance R1, resistance R1 ', monitoring point 1, power supply Side CP is sequentially connected in series, and switch S1 is attempted by the both ends resistance R1 ', and resistance R4 and switch S3 are attempted by the end supply side PE and the end CP.
Automobile side control pilot circuit includes resistance R2, resistance R3, switch S2, diode D1, and the end vehicle side PE connects vehicle Body, the end vehicle side PE, resistance R3, diode D1, vehicle side CP are sequentially connected in series, and resistance R2 and switch S2 are attempted by vehicle side PE End and the end CP.
Wherein PE is ground terminal, is connected with the earth to charging bow inlet wire, after being fully connected, vehicle ground end will bend with charging Ground terminal be connected, CP be control guide end, detect whether to be fully connected for both sides.
A kind of top charging bow DC charging control guidance circuit and implementation method, monitoring point voltage status such as Fig. 2 institute Show, includes the following steps:
Step 1 is restored to (not connected) in situ in charging bow, and supply side switch S0 and switch S3 are in closed state, open It closes S1 to be in an off state, 1 voltage nominal value of monitoring point is 11V.2 voltage nominal value of vehicle side monitoring point is 0V;It is at this time P State;
Step 2 bends ready, the closure switch S1 that charges when supply side charges, and 1 voltage nominal value of monitoring point is 12V, is opened Begin wireless communication;Vehicle side switch S2 is in an off state, and 2 voltage nominal value of monitoring point is 0V;It is at this time A condition;
After step 3, both sides establish communication, charging bow is fully connected vehicle, and monitoring point 1 and 2 voltage nominal value of monitoring point are equal For 9V;It is at this time B state;
Step 4, when Vehicular charging it is ready, closure switch S2, monitoring point 1 and 2 voltage nominal value of monitoring point are 6V, Both sides enter the charging stage;It is at this time C-state;
Whether step 5, during the charging process, charging bow and vehicle detect monitoring point 1 and 2 voltage nominal value of monitoring point respectively For 6V, if so, continuing to charge;Otherwise, stop charging, improper suspension charging there are following several situations:
(1) supply side emergency shutdown: emergency occurs for charging bow, then the bow that charges disconnects switch S1 (D2 state), will fill Electric current is down to 5A in 100ms and stops charging message hereinafter, sending, and charging bow is restored to (not connected) in situ, at this time For P-state;
(2) vehicle side emergency shutdown: emergency occurs for vehicle, then vehicle disconnects switch S2 (B state), sends and stops to fill Telegram text, charging bow detect that Ucp is non-6V, and charging current is down to 5A in 100ms hereinafter, disconnecting switch S1 (D1 shape State), and charging bow is restored to (not connected) (P-state) in situ;
(3) actively stop charging: being divided into following two situation, when Vehicular battery is full of or reaches end-of-charge condition, Vehicle, which is sent, stops charging message, disconnects S2 switch, after charging bow receives vehicle suspension charging message, disconnects S1 switch, and will Charging current be down to 5A in 100ms hereinafter, and charging bow is restored in situ (not connected), be at this time P-state.When charging is bent When reaching end-of-charge condition, charging bow, which is sent, stops charging message, disconnects S1 switch, and charging current is dropped in 100ms To 5A hereinafter, and charging bow is restored in situ (not connected), vehicle receives after charging bow stops charging message, and disconnection S2 is opened It closes, is at this time P-state.
(4) passive to shut down: to be divided into following two situation, when vehicle passively stops, that is, receive the suspension that charging bow is sent Charge message, and vehicle disconnects S2 switch, charging bow is sent stop charging message after, disconnect S1 switch immediately, and by charging current Be down to 5A in 100ms hereinafter, and charging bow is restored in situ (not connected), be at this time P-state.When passive stop is bent in charging When, that is, receive vehicle and send and stop charging message, charging bow disconnects S1 switch, and charging current is down in 100ms 5A with Under, and charging bow is restored in situ (not connected), vehicle is sent stop charging message after, disconnect S2 immediately and switch, at this time for P-state.
1 monitoring point voltage status conversion timing sequence of table
In not connected or charging process, when there is PE or CP broken needle broken string, 1 voltage nominal value of monitoring point will become 12V Or 11V, 2 voltage of monitoring point will become 0V.Charging bow and vehicle will all be detected and be out of order, and not allow or stop charging.
Supply side charging bow switch S0 and S3 is optional switches, and the present invention claims for normally off, reserved switch be can be used as It is carried out with Europe, Japanese system compatible.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art For member, without departing from the technical principles of the invention, several improvement and deformations can also be made, these improvement and deformations Also it should be regarded as protection scope of the present invention.

Claims (9)

1. a kind of charging bow DC charging in top controls guidance circuit, which is characterized in that including supply side control pilot circuit and Automobile side control pilot circuit;
The supply side control pilot circuit include pull-up power supply U1, switch S0, resistance R1, resistance R1 ', resistance R4, switch S1, Switch S3, the end supply side PE and the end supply side CP,
Wherein pull-up power supply U1, switch S0, resistance R1, resistance R1 ', the end supply side CP are sequentially connected in series, and switch S1 is attempted by resistance The end supply side PE and the end supply side CP are attempted by after the both ends R1 ', resistance R4 and switch S3 series connection;
The automobile side control pilot circuit includes resistance R2, resistance R3, switch S2, diode D1, the end vehicle side PE and vehicle The side end CP,
Wherein the end vehicle side PE, resistance R3, diode D1, the end vehicle side CP are sequentially connected in series, after resistance R2 and switch S2 series connection simultaneously It connects at the end vehicle side PE and the end vehicle side CP;
It is equipped with the first monitoring point (1) between resistance R1 ' and the end supply side CP, the voltage of the first monitoring point (1) is supply side CP Voltage between end and the end supply side PE, for charging, bow is confirmed whether to be fully connected vehicle;
The second monitoring point (2) are equipped between the end vehicle side CP and diode D1, the voltage of the second monitoring point (2) is vehicle side CP Voltage between end and the end PE is confirmed whether to be fully connected charging bow for vehicle.
2. charging bow DC charging in top according to claim 1 controls guidance circuit, which is characterized in that the vehicle side The end PE is with connecting vehicle body.
3. charging bow DC charging in top according to claim 1 controls guidance circuit, which is characterized in that the diode The anode connection resistance R3 of D1, cathode connect the end vehicle side CP.
4. a kind of charged based on top described in claim 1 bends the implementation method of DC charging control guidance circuit, feature It is, includes the following steps:
Step 1 is restored to original position in charging bow, and supply side switch S0 and switch S3 are in closed state, and switch S1, which is in, to be disconnected State, 1 voltage nominal value of monitoring point are 11V, and 2 voltage nominal value of vehicle side monitoring point is 0V;It is at this time P-state;
Step 2 bends ready, the closure switch S1 that charges when supply side charges, and 1 voltage nominal value of monitoring point is 12V, starts nothing Line communication;Vehicle side switch S2 is in an off state, and 2 voltage nominal value of monitoring point is 0V;It is at this time A condition;
After step 3, both sides establish communication, charging bow is fully connected vehicle, and monitoring point 1 and 2 voltage nominal value of monitoring point are 9V; It is at this time B state;
Step 4, when Vehicular charging it is ready, closure switch S2, monitoring point 1 and 2 voltage nominal value of monitoring point are 6V, both sides Into the charging stage;It is at this time C-state;
Step 5, during the charging process, charging bow and vehicle detect respectively monitoring point 1 and 2 voltage nominal value of monitoring point whether be 6V, if so, continuing to charge;Otherwise, stop charging.
5. the implementation method of top charging bow DC charging control guidance circuit according to claim 4, which is characterized in that In the step 5, stopping charging further includes that following 4 kinds of suspension are charged: supply side emergency shutdown, vehicle side emergency shutdown, Actively stop charging and passive shutdown.
6. the implementation method of top charging bow DC charging control guidance circuit according to claim 5, which is characterized in that The supply side emergency shutdown are as follows: emergency occurs for charging bow, then the bow that charges disconnects switch S1, by charging current in 100ms Inside 5A is down to hereinafter, supply side, which is sent, stops charging message, and the bow that will charge is restored to original position, is at this time P-state.
7. the implementation method of top charging bow DC charging control guidance circuit according to claim 5, which is characterized in that The vehicle side emergency shutdown are as follows: emergency occurs for vehicle, then vehicle disconnects switch S2, and vehicle side, which is sent, stops charging report Text, charging bow detect that Ucp is non-6V, charging current are down to 5A in 100ms hereinafter, disconnecting switch S1, and charging is bent It is restored to original position, is at this time P-state.
8. the implementation method of top charging bow DC charging control guidance circuit according to claim 5, which is characterized in that The active stops charging are as follows:
A) when Vehicular battery is full of or reaches end-of-charge condition, vehicle, which is sent, stops charging message, disconnects S2 switch, charging After bow receives vehicle suspension charging message, S1 switch is disconnected, and charging current is down to 5A in 100ms hereinafter, and will charging Bow is restored to original position, is at this time P-state;
B) when charging bow reaches end-of-charge condition, charging bow, which is sent, stops charging message, disconnects S1 switch, and will charging electricity Stream in 100ms be down to 5A hereinafter, and charging bow is restored to original position, vehicle receives after charging bow stops charging message, disconnects S2 switch, is at this time P-state.
9. the implementation method of top charging bow DC charging control guidance circuit according to claim 5, which is characterized in that The passive shutdown are as follows:
A) when vehicle passively stops, that is, the suspension charging message that charging bow is sent is received, vehicle disconnects S2 switch, charging bow hair After sending suspension charging message, S1 switch is disconnected immediately, and charging current is down to 5A in 100ms hereinafter, and charging bow is extensive It is multiple to arrive original position, it is at this time P-state;
B) it when charging bow passively stops, that is, receives vehicle transmission and stops charging message, charge bow disconnection S1 switch, and will charge Electric current be down to 5A in 100ms hereinafter, and charging bow is restored to original position, vehicle is sent stop charging message after, disconnect immediately S2 switch, is at this time P-state.
CN201811610355.7A 2018-12-27 2018-12-27 Top charging bow DC charging control guidance circuit and implementation method Pending CN109760544A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811610355.7A CN109760544A (en) 2018-12-27 2018-12-27 Top charging bow DC charging control guidance circuit and implementation method

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Application Number Priority Date Filing Date Title
CN201811610355.7A CN109760544A (en) 2018-12-27 2018-12-27 Top charging bow DC charging control guidance circuit and implementation method

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Publication Number Publication Date
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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08303910A (en) * 1995-05-12 1996-11-22 Touou Kogyo Kk Refrigerant charging device
JP3012481B2 (en) * 1995-05-12 2000-02-21 東應工業株式会社 Refrigerant filling device
CN104201736A (en) * 2014-08-18 2014-12-10 苏州克兰兹电子科技有限公司 Control and guide circuit for alternating current charging pile of vehicle
CN107415723A (en) * 2017-05-03 2017-12-01 南京南瑞集团公司 Electric automobile DC charging control guiding auxiliary circuit and system and control method
CN109050329A (en) * 2018-09-14 2018-12-21 北京新能源汽车股份有限公司 DC charging controls guidance circuit, adaptable interface circuit and charge control method

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08303910A (en) * 1995-05-12 1996-11-22 Touou Kogyo Kk Refrigerant charging device
JP3012481B2 (en) * 1995-05-12 2000-02-21 東應工業株式会社 Refrigerant filling device
CN104201736A (en) * 2014-08-18 2014-12-10 苏州克兰兹电子科技有限公司 Control and guide circuit for alternating current charging pile of vehicle
CN107415723A (en) * 2017-05-03 2017-12-01 南京南瑞集团公司 Electric automobile DC charging control guiding auxiliary circuit and system and control method
CN109050329A (en) * 2018-09-14 2018-12-21 北京新能源汽车股份有限公司 DC charging controls guidance circuit, adaptable interface circuit and charge control method

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