CN105375540A - Vehicle charging gateway controller with conversion use of national standard and American standard and charging conversion method thereof - Google Patents
Vehicle charging gateway controller with conversion use of national standard and American standard and charging conversion method thereof Download PDFInfo
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- CN105375540A CN105375540A CN201410416421.2A CN201410416421A CN105375540A CN 105375540 A CN105375540 A CN 105375540A CN 201410416421 A CN201410416421 A CN 201410416421A CN 105375540 A CN105375540 A CN 105375540A
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Abstract
The invention relates to a vehicle charging gateway controller with conversion use of a national standard and an American standard. An American standard charging standard is adopted between the vehicle charging gateway controller and a vehicle battery management system, and a national standard charging standard is adopted between the vehicle charging gateway controller and a charging station. The vehicle charging gateway controller with conversion use of a national standard and an American standard is characterized by comprising a national standard interface module for being connected with the charging station to simulate the national standard charging standard with the charging station, and an American standard interface module for being connected with the vehicle battery management system to simulate the American standard charging standard with the vehicle battery management system. By using the vehicle charging gateway controller with conversion use of the national standard and the American standard of the invention, the vehicle meeting the American standard can be directly charged in the national standard charging station.
Description
Technical field
The present invention relates to a kind of Vehicular charging technology, relate to GB and American Standard conversion Vehicular charging gateway controller particularly and for the GB of Vehicular charging and American Standard charging conversion method.
Background technology
Rapid nitriding can be charged to vehicle by big current within a short period of time, thus solves the problem of charging electric vehicle overlong time.Due in quick charge, electric current, voltage are all higher, so need to design the fail safe in comparatively complicated charge protocol guarantee charging process between charging station and vehicle.
At present, the fast charge protocol standard of every country is all inconsistent, and the U.S. uses SAE standard (SAEJ1772, in this article referred to as American Standard), China uses GB (GB20234, in this article referred to as American Standard), and Europe uses IEC standard.The standard in every country area has larger difference on hardware and software, and the electric motor car meeting American Standard cannot carry out quick charge in China.
If suitable change can be done to original fast charging system meeting American Standard, increase the part with protocol conversion function, the car meeting American Standard can be made also can to carry out quick charge in China.
Summary of the invention
In view of the above problems, the present invention aims to provide and a kind ofly utilizes existing GB charging station can carry out the GB of GB quick charge and American Standard conversion Vehicular charging gateway controller to the vehicle of American Standard and for the GB of Vehicular charging and American Standard conversion method.
GB of the present invention and American Standard conversion Vehicular charging gateway controller, wherein, adopting American Standard rechargeable standard between described Vehicular charging gateway controller and Vehicular battery management system, is GB rechargeable standard between described Vehicular charging gateway controller and charging station, it is characterized in that, comprising:
GB interface module, for being connected with between described charging station, to make to simulate GB rechargeable standard between described charging station; And
American Standard interface module, for being connected with described Vehicular battery management system, to make to simulate American Standard rechargeable standard between described Vehicular battery management system.
Preferably, described GB interface module comprises:
Whether CCL2 detection module, be connected with described charging station and when detecting that described charging gateway controller triggers following progressive switch module when being connected with described charging station for detecting described charging gateway controller, and
First CAN signal interface module, for accepting CAN signal from described charging station,
Described American Standard interface module comprises:
PWM generator, for generation of PWM ripple and roll PWM ripple away from when charging is carried out and after charging terminates stop roll PWM ripple away from;
Back production circuit, for monitoring to make to stop charging when charging abnormal to described PWM ripple in charging process; And
CP analog module, only works for the CP signal of simulating in American Standard rechargeable standard under the triggering of described CCL2 detection module.
Preferably, described back production circuit is for gathering the voltage of described PWM ripple, frequency and duty ratio.
Preferably, described American Standard interface module comprises further:
Second CAN signal interface module, for accepting CAN signal from described GB interface module and being delivered to Vehicular battery management system;
Prox analog module, for providing Prox signal when above-mentioned CCL2 signal being detected to described Vehicular battery management system.
Preferably, described Prox analog module turns off the output of Prox signal after charging stops,
Described CP analog module turns off the output of CP signal (control steering signal) after charging stops.
GB and the American Standard charging conversion method utilizing GB and the realization of American Standard conversion Vehicular charging gateway controller of the present invention, wherein, American Standard rechargeable standard is adopted between described Vehicular charging gateway controller and Vehicular battery management system, be GB rechargeable standard between described Vehicular charging gateway controller and charging station, it is characterized in that, comprise the steps:
Preliminary handshake steps, charges gateway controller to Vehicular battery Management System Simulation CP signal and Prox signal after the CCL2 signal that mark charging gun has been plugged being detected, and sends handshake respectively to GB charging station, Vehicular battery management system;
Charging preparation process, charging gateway controller forwards the charging restriction of GB charging station and Vehicular battery management system, the charging of GB charging station notice limits the charging of backward charging gateway controller and is ready to, and Vehicular battery management system utilizes the charging of CP signal indication to be ready to after by charging restriction;
Charge step, GB charging station is charged to vehicle by charging gateway controller, and charging gateway controller forwards the electric current of Vehicular battery management system, voltage request value and forward actual output current, the voltage of GB charging station; And
Charging stopping step, manually presses shutdown switch according to operating personnel or when Vehicular battery management system is judged as that amount of batteries is full, charging gateway controller sends charging to GB charging station and/or Vehicular battery management system and ceases and desist order.
Preferably, described charging restriction comprises current limit, voltage restriction, Power Limitation.
Preferably, stop in step in described charging, charging gateway controller turns off the output of CP signal and Prox signal.
Preferably, stop in step in described charging, when the gateway controller that charges detects improper charging, charging gateway controller sends charging to GB charging station and/or Vehicular battery management system and ceases and desist order.
Preferably, described charging gateway controller detects that the situation of improper charging refers to that charging gateway controller detects that hard signal exceeds normal range (NR) or loses with GB charging station and/or the communication of Vehicular battery management system.
According to GB of the present invention and American Standard conversion Vehicular charging gateway controller and conversion method of charging, for the vehicle of American Standard, by increasing GB of the present invention and American Standard conversion Vehicular charging gateway controller, quick charge can be carried out at the charging station of GB.And GB of the present invention and American Standard conversion Vehicular charging gateway controller architecture be simple, be easy to realize, there is the advantage that cost is low, easily apply.
Accompanying drawing explanation
Fig. 1 is the framework map representing the fast charging system of existing American Standard.
Fig. 2 represents the framework map arranging GB of the present invention and American Standard conversion Vehicular charging gateway controller between GB charging station and the fast charging system of American Standard.
Fig. 3 is the organigram of the GB interface module represented in gateway controller of the present invention.
Fig. 4 is the schematic diagram of the interface configurations of the CP port of the American Standard interface module represented in gateway controller of the present invention.
Fig. 5 is the schematic diagram of the interface configurations of the Prox port of the American Standard interface module represented in gateway controller of the present invention.
Embodiment
What introduce below is some in multiple embodiment of the present invention, aims to provide basic understanding of the present invention.Be not intended to confirm key of the present invention or conclusive key element or limit claimed scope.
Fig. 1 is the framework map representing the fast charging system of existing American Standard.As shown in Figure 1, in the fast charging system of existing American Standard, 100 represent American Standard charging station, and 200 represent Vehicular battery management system, and 300 represent high voltage connector box, and 400 represent power brick.Between American Standard charging station 100 and Vehicular battery management system 200, transmit the progressive switching signal of Prox(), the signal such as Controlpilot, CAN500kbps.Between American Standard charging station 100 and Vehicular battery management system 200 according to American Standard (i.e. SAE standard) be terminated mouth design.
Fig. 2 represents the framework map arranging GB of the present invention and American Standard conversion Vehicular charging gateway controller between GB charging station and the fast charging system of American Standard.As shown in Figure 2,110 is GB charging stations, and 120 is Vehicular battery management systems, and 130 is high voltage connector boxes, and 140 is power brick, and 150 is GB of the present invention and American Standard conversion Vehicular charging gateway controller (hereinafter referred to as gateway controller).Between GB charging station 110 and gateway controller 150 according to GB (i.e. GB standard) be terminated mouth design, between Vehicular battery management system 120 and gateway controller 150 according to American Standard (i.e. SAE standard) be terminated mouth design, and, between Vehicular battery management system 120 and gateway controller 150, transmit the progressive switching signal of Prox(), the signal such as Controlpilot, CAN500kbps.In addition, transmit between GB charging station 110 and gateway controller 150 CCL2(connect confirmation signal), 250kbpsCAN signal.Like this, gateway controller 150 serves as function served as bridge between Vehicular battery management system 120 and GB charging station 110, changes two kinds of standard hard wire signals and communications protocol.
Under regard to gateway controller 150 of the present invention concrete structure be described.
As shown in Figure 2, gateway controller 150 of the present invention comprises: GB interface module 151, for being connected with between GB charging station 110, to make to simulate GB rechargeable standard between GB charging station 110; And American Standard interface module 152, for being connected with Vehicular battery management system 120, to make to simulate American Standard rechargeable standard between Vehicular battery management system 120.
Fig. 3 is the organigram of the GB interface module represented in gateway controller of the present invention.As shown in Figure 3, GB interface module 151 comprises: CCL2 detection module 153, whether to be connected with GB charging station 110 and when detecting that the gateway controller 150 that charges triggers following progressive switch module when being connected with GB charging station 110 for detecting charging gateway controller 150, and the first CAN signal interface module (not shown), for accepting CAN signal from GB charging station.In GB interface module 151, as shown in Figure 3, this port is pulled upward to the 1K resistance of 12V by one, detects filling plug state soon.By this signal, gateway controller, by detecting CCL2 interface, determines whether whether GB charging plug is plugged.When detecting that CCL2 signal is connection status, gateway controller starts to simulate Prox signal.
Fig. 4 is the schematic diagram of the interface configurations of the CP port of the American Standard interface module represented in gateway controller of the present invention.Described American Standard interface module 152 comprises: PWM generator (not shown), exports PWM ripple for generation of PWM ripple and when charging is carried out and after charging terminates, stops exporting PWM ripple; Back production circuit (not shown), for monitoring to make to stop charging when charging abnormal to described PWM ripple in charging process; And (control steering signal) analog module 155, only work under the triggering of CCL2 detection module 153 for the CP signal (control steering signal) of simulating in American Standard rechargeable standard.Wherein, described back production circuit is for gathering the voltage of described PWM ripple, frequency and duty ratio.And described CP analog module 155 provides CP detection signal to battery management system 120 charging in the process of carrying out, and turns off the output of CP detection signal after charging stops.Like this, can generate the pwm signal of certain duty ratio in American Standard interface module 152, vehicle side controller, by detecting CP, confirms whether the state of charging station end can enter charging.Complete charging handshake phase, after gateway controller receives charging pile handshake, switching to PWM ripple to send, and after charging terminates, stop this output.In charging process, gateway controller detects voltage magnitude and frequency, the duty ratio of this signal in real time, once occur abnormal, stopping is charged.Acting as of vehicle end diode in Fig. 4 is anti-reverse, plays the effect of circuit protection, and amplifier act as and samples to pwm signal.
Fig. 5 is the schematic diagram of the interface configurations of the Prox port of the American Standard interface module represented in gateway controller of the present invention.
As shown in Figure 5, American Standard interface module 152, except the structure shown in Fig. 4, comprises further: the second CAN signal interface module (not shown), for accepting CAN signal from GB interface module 151 and being delivered to Vehicular battery management system; Prox analog module 157, for providing Prox detection signal when above-mentioned CCL2 signal being detected to Vehicular battery management system 120.Wherein, described Prox analog module 157 turns off the output of Prox signal after charging stops.Like this, the progressive switching signal of American Standard Prox(of American Standard interface module 152) port as shown in Figure 5, it act as the progressive switching signal (this signal is a resistance signal) in simulation American Standard.When gateway controller detects that GB charging plug is plugged, control switch conducting, otherwise control switch turns off.To Prox input, Vehicular battery management system 120 is by confirming whether charging gun is plugged.
Under regard to the GB that utilizes GB of the present invention and American Standard conversion Vehicular charging gateway controller to realize and American Standard conversion method is described.
Gateway controller 150, after detecting that CCL2 marker charging gun is plugged, simulates CP signal and Prox signal to Vehicular battery management system 120.Send handshake by J1939 bus and GB charging station 110 simultaneously, send handshake by high-speed CAN bus and Vehicular battery management system 120, complete state of tentatively shaking hands.
After completing and tentatively shaking hands, gateway controller 150 forwards the current limit, voltage restriction, Power Limitation etc. of GB charging station 110 and Vehicular battery management system 120.Can send charging by J1939 bus after GB charging station 110 is checked by charging restriction and get out signal, by the voltage status of CP signal, Vehicular battery management system 120 can represent that charging is ready to after being checked by charging restriction.
After completing charging preparation, enter charging process.Gateway controller 150 forwards electric current, the voltage request value of Vehicular battery management system 120, and the actual output current of charging station, voltage.
When operating personnel manually press shutdown switch or Vehicular battery management system 120 thinks that battery electric quantity is full, gateway controller 150 forwards the halt command of GB charging station 110 or Vehicular battery management system 120.Gateway controller 150 sends charging to GB charging station 110 and stops message, sends charging stop signal, and stops the PWM of CP port to export, carry out lower electric treatment to vehicle end.After charging stops, gateway controller 150 turns off the output of CP signal and Prox signal.
On the other hand, gateway controller 150 is also diagnosed improper charging process.If in charging process, the signal in gateway controller 150 pairs of charging processes detects.When gateway controller 150 detects that hard signal exceeds normal range (NR), or when losing with the communication of GB charging station 110/ Vehicular battery management system 120, gateway controller 150 will send halt command to GB charging station 110 and Vehicular battery management system 120 simultaneously.
According to GB of the present invention and American Standard conversion Vehicular charging gateway controller and conversion method of charging, for the vehicle of American Standard, by increasing GB of the present invention and American Standard conversion Vehicular charging gateway controller, quick charge can be carried out at the charging station of GB.And GB of the present invention and American Standard conversion Vehicular charging gateway controller architecture be simple, be easy to realize, there is the advantage that cost is low, easily apply.
Above example mainly describes GB of the present invention and American Standard conversion Vehicular charging gateway controller and for the GB of Vehicular charging and American Standard conversion method.Although be only described some of them the specific embodiment of the present invention, those of ordinary skill in the art should understand, and the present invention can implement with other forms many not departing from its purport and scope.Therefore, the example shown and execution mode are regarded as illustrative and not restrictive, when do not depart from as appended each claim define the present invention spirit and scope, the present invention may contain various amendments and replacement.
Claims (10)
1. Vehicular charging gateway controller is used in a GB and American Standard conversion, wherein, adopting American Standard rechargeable standard between described Vehicular charging gateway controller and Vehicular battery management system, is GB rechargeable standard between described Vehicular charging gateway controller and charging station, it is characterized in that, comprising:
GB interface module, for being connected with between described charging station, to make to simulate GB rechargeable standard between described charging station; And
American Standard interface module, for being connected with described Vehicular battery management system, to make to simulate American Standard rechargeable standard between described Vehicular battery management system.
2. Vehicular charging gateway controller is used in GB as claimed in claim 1 and American Standard conversion, it is characterized in that,
Described GB interface module comprises:
Whether CCL2 detection module, be connected with described charging station and when detecting that described charging gateway controller triggers following progressive switch module when being connected with described charging station for detecting described charging gateway controller, and
First CAN signal interface module, for accepting CAN signal from described charging station,
Described American Standard interface module comprises:
PWM generator, makes when charging is carried out to export PWM ripple for generation of PWM ripple and after charging terminates, stops exporting PWM ripple;
Back production circuit, for monitoring to make to stop charging when charging abnormal to described PWM ripple in charging process; And
CP signaling module, only works for the CP signal of simulating in American Standard rechargeable standard under the triggering of described CCL2 detection module.
3. Vehicular charging gateway controller is used in GB as claimed in claim 2 and American Standard conversion, it is characterized in that,
Described back production circuit is for gathering the voltage of described PWM ripple, frequency and duty ratio.
4. Vehicular charging gateway controller is used in GB as claimed in claim 2 and American Standard conversion, it is characterized in that,
Described American Standard interface module comprises further:
Second CAN signal interface module, for accepting CAN signal from described GB interface module and being delivered to Vehicular battery management system;
Prox analog module, for providing Prox signal when above-mentioned CCL2 signal being detected to described Vehicular battery management system.
5. Vehicular charging gateway controller is used in GB as claimed in claim 2 and American Standard conversion, it is characterized in that,
Described Prox analog module turns off the output of Prox signal after charging stops,
Described CP analog module turns off the output of CP signal after charging stops.
6. the GB utilizing the GB described in claim 1 ~ 5 and American Standard conversion Vehicular charging gateway controller to realize and American Standard charging conversion method, wherein, American Standard rechargeable standard is adopted between described Vehicular charging gateway controller and Vehicular battery management system, be GB rechargeable standard between described Vehicular charging gateway controller and charging station, it is characterized in that, comprise the steps:
Preliminary handshake steps, charges gateway controller to Vehicular battery Management System Simulation CP signal and Prox signal after the CCL2 signal that mark charging gun has been plugged being detected, and sends handshake respectively to GB charging station, Vehicular battery management system;
Charging preparation process, charging gateway controller forwards the charging restriction of GB charging station and Vehicular battery management system, the charging of GB charging station notice limits the charging of backward charging gateway controller and is ready to, and Vehicular battery management system utilizes the charging of CP signal indication to be ready to after by charging restriction;
Charge step, GB charging station is charged to vehicle by charging gateway controller, and charging gateway controller forwards the electric current of Vehicular battery management system, voltage request value and forward actual output current, the voltage of GB charging station; And
Charging stopping step, manually presses shutdown switch according to operating personnel or when Vehicular battery management system is judged as that amount of batteries is full, charging gateway controller sends charging to GB charging station and/or Vehicular battery management system and ceases and desist order.
7. the GB utilizing the GB described in claim 1 ~ 5 and American Standard conversion Vehicular charging gateway controller to realize as claimed in claim 6 and American Standard charging conversion method, is characterized in that,
Described charging restriction comprises current limit, voltage restriction, Power Limitation.
8. the GB utilizing the GB described in claim 1 ~ 5 and American Standard conversion Vehicular charging gateway controller to realize as claimed in claim 7 and American Standard charging conversion method, is characterized in that,
Stop in step in described charging, charging gateway controller turns off the output of CP signal and Prox signal.
9. the GB utilizing the GB as described in claim 1 ~ 5 and American Standard conversion Vehicular charging gateway controller to realize as described in claim 6 ~ 8 any one and American Standard charging conversion method, is characterized in that,
Stop in step in described charging, when the gateway controller that charges detects improper charging, charging gateway controller sends charging to GB charging station and/or Vehicular battery management system and ceases and desist order.
10. the GB utilizing the GB described in claim 1 ~ 5 and American Standard conversion Vehicular charging gateway controller to realize as claimed in claim 9 and American Standard charging conversion method, is characterized in that,
Described charging gateway controller detects that the situation of improper charging refers to that charging gateway controller detects that hard signal exceeds normal range (NR) or loses with GB charging station and/or the communication of Vehicular battery management system.
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| CN109466365A (en) * | 2018-10-23 | 2019-03-15 | 上海创造软件系统有限公司 | A kind of charging conversion method, device, system, computer equipment and storage medium |
| CN111775734A (en) * | 2020-07-13 | 2020-10-16 | 东风汽车股份有限公司 | Adaptive American standard charging control system for pure electric vehicle and control method thereof |
| CN112100714A (en) * | 2020-08-18 | 2020-12-18 | 上海思源输配电工程有限公司 | American standard cable trench structure design method and electronic equipment applying same |
| CN112428866A (en) * | 2020-12-03 | 2021-03-02 | 国创新能源汽车智慧能源装备创新中心(江苏)有限公司 | Charging protocol conversion method and device |
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| CN106828133A (en) * | 2016-10-21 | 2017-06-13 | 蔚来汽车有限公司 | Charge protocol modular converter and the charging system using the module |
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| CN111775734A (en) * | 2020-07-13 | 2020-10-16 | 东风汽车股份有限公司 | Adaptive American standard charging control system for pure electric vehicle and control method thereof |
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| CN112428866A (en) * | 2020-12-03 | 2021-03-02 | 国创新能源汽车智慧能源装备创新中心(江苏)有限公司 | Charging protocol conversion method and device |
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