CN113442759A - Charging pile with switchable control guide circuit and charging method - Google Patents

Charging pile with switchable control guide circuit and charging method Download PDF

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Publication number
CN113442759A
CN113442759A CN202110700138.2A CN202110700138A CN113442759A CN 113442759 A CN113442759 A CN 113442759A CN 202110700138 A CN202110700138 A CN 202110700138A CN 113442759 A CN113442759 A CN 113442759A
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China
Prior art keywords
charging
charging interface
control
adaptive
interface
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CN202110700138.2A
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Chinese (zh)
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CN113442759B (en
Inventor
刘崇汉
李�杰
赵阳
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Chongqing Guohan Energy Development Co Ltd
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Chongqing Guohan Energy Development Co Ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60LPROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L53/00Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/30Constructional details of charging stations
    • B60L53/31Charging columns specially adapted for electric vehicles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60LPROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L53/00Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/60Monitoring or controlling charging stations
    • B60L53/66Data transfer between charging stations and vehicles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60LPROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L53/00Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/60Monitoring or controlling charging stations
    • B60L53/68Off-site monitoring or control, e.g. remote control
    • 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

The invention discloses a charging pile with a switchable control guide circuit and a charging method, wherein the charging pile comprises a plurality of charging interfaces with different types and a control guide circuit; the control pilot circuit includes: a control pilot unit for generating a control pilot signal; the selector switch is positioned between the control guide unit and a plurality of charging interfaces of different models; and the control module controls the selector switch according to the adaptive charging interface information, so that the adaptive charging interface is connected with the control guide unit and also receives the control guide signal. The control module of the charging pile needs to acquire the adaptive charging interface information so as to select the charging interface; and then the control module switches the switch connected between the control guide unit and a plurality of charging interfaces of different models according to the charging interface information and switches the switch to the route of the adaptive charging interface. The invention can solve the problems of installation and cost of a plurality of interfaces requiring a plurality of control guide circuits.

Description

Charging pile with switchable control guide circuit and charging method
Technical Field
The invention relates to the field of charging piles, in particular to a charging pile with a switchable control guide circuit and a charging method.
Background
The electric automobile is a vehicle which takes a vehicle-mounted power supply as power and drives wheels to run by using a motor, and meets various requirements of road traffic and safety regulations. It is powered using electricity stored in a battery. The charging pile has the function similar to that of an oiling machine in a gas station, can be fixed on the ground or on the wall, is installed in public buildings (public buildings, shopping malls, public parking lots and the like) and residential district parking lots or charging stations, and can charge various types of electric vehicles according to different voltage levels. The input end of the charging pile is directly connected with an alternating current power grid, and the output end of the charging pile is provided with a charging plug for charging the electric automobile.
When the utilization is filled electric pile and is charged for electric vehicle, if charge under the condition of filling electric pile and electric vehicle not being connected completely, take place the waste of danger and energy easily, for guaranteeing to charge safety and reliably, the country has gone out to fill electric pile standard, need set up control guide circuit in filling electric pile promptly, fills electric pile and is connected with electric vehicle through control guide circuit, realizes electric vehicle's charging. The control guide circuit is used for generating a control confirmation signal (pulse signal) to the electric vehicle, the electric vehicle can judge whether a vehicle interface is completely connected or not according to the control confirmation signal and the voltage of a detection point in the vehicle, the charging control device in the charging pile can judge whether a power supply interface is completely connected or not according to the control confirmation signal and the voltage of the detection point in the charging pile, the electric vehicle can judge the magnitude of charging current according to the duty ratio of the control confirmation signal, charging is carried out when the complete connection is successful, and if the charging current exceeds the rated current of the electric vehicle, the electric vehicle does not receive the charging, so that the charging safety is guaranteed.
The charging piles in the prior art usually have only one charging interface, so that each charging pile charges a specific electric vehicle, and different charging piles with different charging interfaces are required for different electric vehicles. However, if a charging post having a plurality of charging interfaces is used, a corresponding number of control pilot circuits are required for the design of the control pilot circuits, thereby increasing the cost.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a charging pile with a switchable control guide circuit and a charging method.
The purpose of the invention is realized by the following technical scheme:
in a first aspect of the present invention, a charging pile with a switchable control guidance circuit is provided, where the charging pile includes a plurality of charging interfaces of different types and the control guidance circuit;
the control steering circuit includes:
a control pilot unit for generating a control pilot signal;
the selector switch is positioned between the control guide unit and a plurality of charging interfaces of different models;
and the control module controls the selector switch according to the adaptive charging interface information, so that the adaptive charging interface is connected with the control guide unit and receives the control guide signal.
Further, fill electric pile still includes:
the wireless network module is used for accessing the electric automobile parked in the corresponding parking position of the charging pile;
the control module acquires the model of the electric automobile through the wireless network module, acquires adaptive charging interface information according to the model, and controls the selector switch to perform connection switching according to the charging interface information.
Further, the control module is further used for controlling the adaptive charging interface to be opened according to the adaptive charging interface information.
Further, fill electric pile still includes:
the wired network module is respectively connected with the control module and the remote server and is used for acquiring the information of the types of different electric vehicles and the types of adaptive charging interfaces;
and the storage module is connected with the control module and used for storing the types of different electric vehicles and the adaptive charging interface types.
Further, the control guide unit includes: the voltage regulator comprises a first voltage comparator, a first photoelectric coupler U1, a second voltage comparator and a second photoelectric coupler U2; the positive phase input ends of the first voltage comparator and the second voltage comparator are connected with a charging interface through a selector switch, the positive phase input ends are also connected with VDD through a resistor R1, the negative phase input end of the first voltage comparator is connected with a first reference voltage, and the negative phase input end of the second voltage comparator is connected with a second reference voltage;
the output end of the first voltage comparator is connected with VDD through a resistor R2, and is also connected with the first input end of a first photoelectric coupler U1 through a resistor R3, the second input end of the first photoelectric coupler U1 is grounded, the first output end of the first photoelectric coupler U1 is grounded, the second output end of the first photoelectric coupler U1 is connected with the control module, and the second output end of the first photoelectric coupler U1 is also connected with VCC through a resistor R4;
the output end of the second voltage comparator is connected with VDD through a resistor R5, and is also connected with the first input end of a second photoelectric coupler U2 through a resistor R6, the second input end of the second photoelectric coupler U2 is grounded, the first output end of the second photoelectric coupler U2 is grounded, the second output end of the second photoelectric coupler U2 is connected with the control module, and the second output end of the second photoelectric coupler U2 is also connected with VCC through a resistor R7;
the first reference voltage and the second reference voltage are different.
In a second aspect of the present invention, a charging method for charging piles with switchable control guidance circuits is provided, where the charging piles each include a plurality of charging interfaces of different models and the control guidance circuits;
the method comprises the following steps:
acquiring charging interface information matched with the electric automobile parked in a corresponding parking position of the charging pile;
controlling a selector switch according to the charging interface information to enable the adaptive charging interface to be connected with the control guide unit;
the control pilot unit will generate a control pilot signal.
Further, the method further comprises the steps of:
the wireless network module is normally opened;
accessing the electric automobile parked in the corresponding parking position of the charging pile through the wireless network module;
acquiring the model of the accessed electric automobile;
obtaining adaptive charging interface information according to the model;
and controlling the selector switch to perform connection switching according to the adaptive charging interface information.
Further, the method further comprises the steps of:
and controlling the adaptive charging interface to be opened according to the adaptive charging interface information.
Further, the method further comprises:
obtaining the model information of different electric vehicles and the adaptive charging interface type information sent by a remote server through a wired network module;
the storage module is used for storing the types of different electric vehicles and the type of the adaptive charging interface.
Further, the control guide unit includes: the voltage regulator comprises a first voltage comparator, a first photoelectric coupler U1, a second voltage comparator and a second photoelectric coupler U2; the positive phase input ends of the first voltage comparator and the second voltage comparator are connected with a charging interface through a selector switch, the positive phase input ends are also connected with VDD through a resistor R1, the negative phase input end of the first voltage comparator is connected with a first reference voltage, and the negative phase input end of the second voltage comparator is connected with a second reference voltage;
the output end of the first voltage comparator is connected with VDD through a resistor R2, and is also connected with the first input end of a first photoelectric coupler U1 through a resistor R3, the second input end of the first photoelectric coupler U1 is grounded, the first output end of the first photoelectric coupler U1 is grounded, the second output end of the first photoelectric coupler U1 is connected with the control module, and the second output end of the first photoelectric coupler U1 is also connected with VCC through a resistor R4;
the output end of the second voltage comparator is connected with VDD through a resistor R5, and is also connected with the first input end of a second photoelectric coupler U2 through a resistor R6, the second input end of the second photoelectric coupler U2 is grounded, the first output end of the second photoelectric coupler U2 is grounded, the second output end of the second photoelectric coupler U2 is connected with the control module, and the second output end of the second photoelectric coupler U2 is also connected with VCC through a resistor R7;
the first reference voltage and the second reference voltage are different.
The invention has the beneficial effects that:
(1) in an exemplary embodiment of the present invention, a control module of a charging pile needs to acquire adaptive charging interface information, so as to select a charging interface; and then the control module switches the selector switches connected between the control guide unit and the charging interfaces of different models according to the information of the charging interfaces and switches the selector switches to the adaptive charging interface route, so that a whole loop is formed, and at the moment, whether the power supply interfaces are completely connected or not can be judged according to the control guide signal generated by the control guide unit and the voltage of a detection point in the charging pile through the control guide unit on the route. By adopting the mode, the problems of installation and cost of a plurality of interfaces needing a plurality of control guide circuits can be solved.
(2) In an exemplary embodiment of the invention, a control module of a charging pile sends a model acquisition request to an electric vehicle through a wireless network module, and the electric vehicle replies model information after receiving the model acquisition request; and the charging pile is matched according to the received model information, so that subsequent switching and control guidance are realized.
(3) In an exemplary embodiment of the invention, for a driver of an electric vehicle, the driver only needs to come to a corresponding parking position according to the recommendation of a background system and/or a mobile terminal, and after the charging pile automatically opens the adaptive charging interface according to the matching result, the driver connects the charging interface with the vehicle plug, so that the operation is simple and convenient; for a demander who purchases the charging pile, the multi-interface matching can be realized by purchasing one charging pile, namely, one charging pile is purchased without purchasing a plurality of charging piles according to actual conditions; for charging pile manufacturers, the nearby judgment of the electric automobile and the judgment of the automobile model are achieved through data interaction of the wireless network module, the realization is simple and reliable, and the cost is reduced compared with that of other realization modes.
(4) In an exemplary embodiment of the present invention, the obtaining of the data of the model and the adaptation type is implemented by a remote server, and various manners may be adopted, including, for example, performing self-test on the charging pile each time, restarting the charging pile each time, and actively issuing the data by the remote server at regular time.
(5) In an exemplary embodiment of the present invention, two lines are designed to be compared so as to realize the states of the charging interface and the automobile plug being disconnected, the charging interface and the automobile plug being connected but not being charged, and the charging interface and the automobile plug being connected and being charged.
Drawings
FIG. 1 is a block diagram of the disclosed architecture in accordance with an exemplary embodiment of the present invention;
fig. 2 is a schematic diagram of a control pilot unit circuit according to an exemplary embodiment of the disclosure.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that directions or positional relationships indicated by "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like are directions or positional relationships described based on the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply that the device or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
Referring to fig. 1, fig. 1 illustrates charging posts having switchable control guidance circuits provided in an exemplary embodiment, each of the charging posts including a plurality of different types of charging interfaces and the control guidance circuit;
the control steering circuit includes:
a control pilot unit for generating a control pilot signal;
the selector switch is positioned between the control guide unit and a plurality of charging interfaces of different models;
and the control module controls the selector switch according to the adaptive charging interface information, so that the adaptive charging interface is connected with the control guide unit and receives the control guide signal.
Specifically, in the exemplary embodiment, each multi-interface charging post corresponds to at least one parking location; that is, in some exemplary embodiments, one multi-interface charging pile may simultaneously charge vehicles at a plurality of parking locations due to its multi-interface. In the following exemplary embodiments, a description will be given of one charging pile corresponding to one parking location, unless otherwise specified. Specifically, the method comprises the following steps:
firstly, a control module of a charging pile needs to acquire adaptive charging interface information so as to select a charging interface; and then the control module switches the selector switches connected between the control guide unit and the charging interfaces of different models according to the information of the charging interfaces and switches the selector switches to the adaptive charging interface route, so that a whole loop is formed, and at the moment, whether the power supply interfaces are completely connected or not can be judged according to the control guide signal generated by the control guide unit and the voltage of a detection point in the charging pile through the control guide unit on the route. By adopting the mode, the problems of installation and cost of a plurality of interfaces needing a plurality of control guide circuits can be solved.
Preferably, in an exemplary embodiment, the charging pile further includes:
the wireless network module is used for accessing the electric automobile parked in the corresponding parking position of the charging pile;
the control module acquires the model of the electric automobile through the wireless network module, acquires adaptive charging interface information according to the model, and controls the selector switch to perform connection switching according to the charging interface information.
Specifically, in the exemplary embodiment, the wireless network module of the multi-interface charging pile located at the parking position is in a normally open state, after the electric vehicle to be charged is recommended to arrive at an idle parking position through the background system and/or the mobile terminal, the wireless network module of the charging pile automatically detects that the electric vehicle arrives at the parking position due to the reason of proximity, at this time, the charging pile automatically performs network connection with the electric vehicle, and the charging pile can perform information interaction with the electric vehicle.
A control module of the charging pile sends a model acquisition request to the electric automobile through a wireless network module, and the electric automobile replies model information after receiving the model acquisition request; and the charging pile is matched according to the received model information, so that subsequent switching and control guidance are realized.
Preferably, in an exemplary embodiment, the control module is further configured to control the adapted charging interface to be opened according to the adapted charging interface information.
Specifically, in this exemplary embodiment, the charging pile matches according to the received model information, and opens the adapted charging interface to provide charging connection for the electric vehicle, thereby implementing power supply.
Wherein, in an exemplary embodiment, the opening refers to opening a physical outer cover of the charging interface; in another exemplary embodiment, the turning on refers to turning on the power of the charging interface; or a combination of the two exemplary embodiments described above.
When any one of the above manners is adopted, for a driver of the electric automobile, the driver only needs to come to a corresponding parking position according to the recommendation of the background system and/or the mobile terminal, and after the charging pile automatically opens the adaptive charging interface according to the matching result, the driver connects the charging interface with the automobile plug, so that the operation is simple and convenient; for a demander who purchases the charging pile, the multi-interface matching can be realized by purchasing one charging pile, namely, one charging pile is purchased without purchasing a plurality of charging piles according to actual conditions; for charging pile manufacturers, the nearby judgment of the electric automobile and the judgment of the automobile model are achieved through data interaction of the wireless network module, the realization is simple and reliable, and the cost is reduced compared with that of other realization modes.
Preferably, in an exemplary embodiment, the charging pile further includes:
the wired network module is respectively connected with the control module and the remote server and is used for acquiring the information of the types of different electric vehicles and the types of adaptive charging interfaces;
and the storage module is connected with the control module and used for storing the types of different electric vehicles and the adaptive charging interface types.
The data acquisition of the model and the adaptation type can be carried out in various ways, such as self-checking of the charging pile every time, restarting of the charging pile every time, and actively sending the data by a remote server at regular time.
In yet another exemplary embodiment, the wireless network module is not only used for model determination and interface control, but also used for adaptation of charging power, specifically:
the control module is further used for acquiring the electric quantity of the electric automobile through the wireless network module and controlling the charging power of the adaptive charging interface.
After the network connection with the electric automobile at the parking position is completed, the sent acquisition request not only comprises a model acquisition request, but also comprises an electric quantity acquisition request; and after the charging pile acquires the actual electric quantity of the electric automobile, the charging power is distributed.
In yet another exemplary embodiment, a specific implementation manner of the charging interface is defined, specifically: the charging interface includes:
a charging connector with a charging circuit;
the charging interface placing groove is matched with the charging connector in shape and used for placing the charging connector;
the pushing motor is controlled by the control module and used for partially displacing the charging connector inside the charging interface placing groove and the charging interface placing groove.
When the charging interface is not opened, the charging connector is completely positioned in the charging interface placing groove, and the pushing motor is positioned at the recovery position; when the charging interface is opened (namely, interface adaptation is carried out), the pushing motor partially pushes the charging connector out of the charging interface placing groove, the pushing degree is only enough for a driver to take out, and the pushing motor is still located at a pushing position; then, a driver connects a charging connector of the charging pile with a plug of the electric automobile for charging, and the pushing motor is still located at the pushing position at the moment; after the completion of charging, the driver will fill the interface standing groove that charges of charging connector place back, and push motor will charge the connector and replay, accomplishes the recovery, and push motor this moment is located the recovery position.
Preferably, in yet another exemplary embodiment, the charging interface further includes:
the detection device is connected with the control module, arranged on the groove surface of the charging interface placing groove and used for detecting whether the charging connector is placed in the charging interface placing groove or not;
the reminding device is connected with the control module, arranged at the notch of the charging interface placing groove and used for reminding according to the detection result of the detection device;
and the detection result of the detection device is also used for controlling the recovery of the pushing motor.
The detection device may adopt various implementation manners, such as infrared correlation, light detection, and the like, which are not described herein again. When the mode is adopted, the reminding device can be used for reminding a driver whether the charging connector is placed back correctly or not; and the control of the pushing motor is realized according to the detection result.
More preferably, in an exemplary embodiment, as shown in fig. 2, the control guide unit includes: the voltage regulator comprises a first voltage comparator, a first photoelectric coupler U1, a second voltage comparator and a second photoelectric coupler U2; the positive phase input ends of the first voltage comparator and the second voltage comparator are connected with a charging interface through a selector switch, the positive phase input ends are also connected with VDD through a resistor R1, the negative phase input end of the first voltage comparator is connected with a first reference voltage, and the negative phase input end of the second voltage comparator is connected with a second reference voltage;
the output end of the first voltage comparator is connected with VDD through a resistor R2, and is also connected with the first input end of a first photoelectric coupler U1 through a resistor R3, the second input end of the first photoelectric coupler U1 is grounded, the first output end of the first photoelectric coupler U1 is grounded, the second output end of the first photoelectric coupler U1 is connected with the control module, and the second output end of the first photoelectric coupler U1 is also connected with VCC through a resistor R4;
the output end of the second voltage comparator is connected with VDD through a resistor R5, and is also connected with the first input end of a second photoelectric coupler U2 through a resistor R6, the second input end of the second photoelectric coupler U2 is grounded, the first output end of the second photoelectric coupler U2 is grounded, the second output end of the second photoelectric coupler U2 is connected with the control module, and the second output end of the second photoelectric coupler U2 is also connected with VCC through a resistor R7;
the first reference voltage and the second reference voltage are different.
Specifically, in an exemplary embodiment, VDD is 12V in size, VCC is 3.3V in size, the first reference voltage is a + V, and the second reference voltage is B + V (a is greater than B). When the charging interface is not connected with the automobile plug, the input voltage of the guide unit is controlled to be 12V; when the charging interface and the automobile plug are connected but not charged, controlling the input voltage of the guide unit to be A-V; when the charging interface and the automobile plug are connected and are in charging, the input voltage of the guide unit is controlled to be B-V.
Two lines were therefore designed to compare AV and BV sizes, respectively: (1) when the charging interface is not connected with the automobile plug, the output ends of the first voltage comparator and the second voltage comparator are both at a high level, the output ends of the first photoelectric coupler U1 and the second photoelectric coupler U2 are at a low level, and the control module knows that the automobile plug is in an unconnected state at the moment after receiving information; (2) when the charging interface and the automobile plug are connected but not charged, the output ends of the first voltage comparator and the second voltage comparator are respectively at a low level and a high level, the output ends of the first photoelectric coupler U1 and the second photoelectric coupler U2 are respectively at a high level and a low level, and the control module knows that the charging interface and the automobile plug are in a non-charging state at the moment after receiving information; (3) when the charging interface and the automobile plug are connected and are in charging, the output ends of the first voltage comparator and the second voltage comparator are both at low level, the output ends of the first photoelectric coupler U1 and the second photoelectric coupler U2 are at high level, and the control module knows that the charging state is connected at the moment after receiving information.
Still another exemplary embodiment of the present invention, having the same inventive concept as the exemplary embodiment of the charging pile, provides a charging method of a charging pile having switchable control pilot circuits, each of which includes a plurality of charging interfaces of different models and the control pilot circuit;
the method comprises the following steps:
acquiring charging interface information matched with the electric automobile parked in a corresponding parking position of the charging pile;
controlling a selector switch according to the charging interface information to enable the adaptive charging interface to be connected with the control guide unit;
the control pilot unit will generate a control pilot signal.
More preferably, in an exemplary embodiment, the method further comprises the steps of:
the wireless network module is normally opened;
accessing the electric automobile parked in the corresponding parking position of the charging pile through the wireless network module;
acquiring the model of the accessed electric automobile;
obtaining adaptive charging interface information according to the model;
and controlling the selector switch to perform connection switching according to the adaptive charging interface information.
More preferably, in an exemplary embodiment, the method further comprises the steps of:
and controlling the adaptive charging interface to be opened according to the adaptive charging interface information.
Preferably, in an exemplary embodiment, the method further comprises:
obtaining the model information of different electric vehicles and the adaptive charging interface type information sent by a remote server through a wired network module;
the storage module is used for storing the types of different electric vehicles and the type of the adaptive charging interface.
More preferably, in an exemplary embodiment, the control pilot unit includes: the voltage regulator comprises a first voltage comparator, a first photoelectric coupler U1, a second voltage comparator and a second photoelectric coupler U2; the positive phase input ends of the first voltage comparator and the second voltage comparator are connected with a charging interface through a selector switch, the positive phase input ends are also connected with VDD through a resistor R1, the negative phase input end of the first voltage comparator is connected with a first reference voltage, and the negative phase input end of the second voltage comparator is connected with a second reference voltage;
the output end of the first voltage comparator is connected with VDD through a resistor R2, and is also connected with the first input end of a first photoelectric coupler U1 through a resistor R3, the second input end of the first photoelectric coupler U1 is grounded, the first output end of the first photoelectric coupler U1 is grounded, the second output end of the first photoelectric coupler U1 is connected with the control module, and the second output end of the first photoelectric coupler U1 is also connected with VCC through a resistor R4;
the output end of the second voltage comparator is connected with VDD through a resistor R5, and is also connected with the first input end of a second photoelectric coupler U2 through a resistor R6, the second input end of the second photoelectric coupler U2 is grounded, the first output end of the second photoelectric coupler U2 is grounded, the second output end of the second photoelectric coupler U2 is connected with the control module, and the second output end of the second photoelectric coupler U2 is also connected with VCC through a resistor R7;
the first reference voltage and the second reference voltage are different.
It is to be understood that the above-described embodiments are illustrative only and not restrictive of the broad invention, and that various other modifications and changes in light thereof will be suggested to persons skilled in the art based upon the above teachings. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications of the invention may be made without departing from the spirit or scope of the invention.

Claims (10)

1. The utility model provides a fill electric pile with changeable control guide circuit which characterized in that: the charging piles comprise a plurality of charging interfaces with different models and the control guide circuit;
the control steering circuit includes:
a control pilot unit for generating a control pilot signal;
the selector switch is positioned between the control guide unit and a plurality of charging interfaces of different models;
the control module controls the selector switch according to the adaptive charging interface information, so that the adaptive charging interface is connected with the control guide unit and receives the control guide signal;
the charging interface includes:
a charging connector with a charging circuit;
the charging interface placing groove is matched with the charging connector in shape and used for placing the charging connector;
the pushing motor is controlled by the control module and used for partially displacing the charging connector inside the charging interface placing groove and the charging interface placing groove.
2. The charging pole having a switchable control steering circuit according to claim 1, wherein: fill electric pile still includes:
the wireless network module is used for accessing the electric automobile parked in the corresponding parking position of the charging pile;
the control module acquires the model of the electric automobile through the wireless network module, acquires adaptive charging interface information according to the model, and controls the selector switch to perform connection switching according to the charging interface information.
3. A charging pile with switchable control and steering circuit according to claim 1 or 2, characterized in that: the control module is also used for controlling the adaptive charging interface to be opened according to the adaptive charging interface information.
4. The charging pole having a switchable control steering circuit according to claim 2, wherein: fill electric pile still includes:
the wired network module is respectively connected with the control module and the remote server and is used for acquiring the information of the types of different electric vehicles and the types of adaptive charging interfaces;
and the storage module is connected with the control module and used for storing the types of different electric vehicles and the adaptive charging interface types.
5. The charging pole having a switchable control steering circuit according to claim 1, wherein: the charging interface further comprises:
the detection device is connected with the control module, arranged on the groove surface of the charging interface placing groove and used for detecting whether the charging connector is placed in the charging interface placing groove or not;
the reminding device is connected with the control module, arranged at the notch of the charging interface placing groove and used for reminding according to the detection result of the detection device;
and the detection result of the detection device is also used for controlling the recovery of the pushing motor.
6. A charging method of a charging pile with a switchable control guide circuit is characterized in that: fill electric pile all include a plurality of different models charge the interface with control guide circuit, the interface that charges includes:
a charging connector with a charging circuit;
the charging interface placing groove is matched with the charging connector in shape and used for placing the charging connector;
the pushing motor is controlled by the control module and is used for partially displacing the charging connector inside the charging interface placing groove and the charging interface placing groove;
the method comprises the following steps:
acquiring charging interface information matched with the electric automobile parked in a corresponding parking position of the charging pile;
controlling a selector switch according to the charging interface information to enable the adaptive charging interface to be connected with the control guide unit;
the control pilot unit generates a control pilot signal;
when the charging interface is not opened, the charging connector is completely positioned in the charging interface placing groove, and the pushing motor is positioned at the recovery position; when the charging interface is opened, namely, after the interface is matched, the pushing motor partially pushes the charging connector out of the charging interface placing groove, the pushing degree is enough for a driver to take out, and the pushing motor is still located at the pushing position; then, a driver connects a charging connector of the charging pile with a plug of the electric automobile for charging, and the pushing motor is still located at the pushing position at the moment; after the completion of charging, the driver will fill the interface standing groove that charges of charging connector place back, and push motor will charge the connector and replay, accomplishes the recovery, and push motor this moment is located the recovery position.
7. The method of claim 6, wherein the charging method comprises: the method further comprises the steps of:
the wireless network module is normally opened;
accessing the electric automobile parked in the corresponding parking position of the charging pile through the wireless network module;
acquiring the model of the accessed electric automobile;
obtaining adaptive charging interface information according to the model;
and controlling the selector switch to perform connection switching according to the adaptive charging interface information.
8. The charging method of the charging post with the switchable control guiding circuit as claimed in claim 6 or 7, wherein: the method further comprises the steps of:
and controlling the adaptive charging interface to be opened according to the adaptive charging interface information.
9. The method of claim 7, wherein the charging method comprises: the method further comprises the following steps:
obtaining the model information of different electric vehicles and the adaptive charging interface type information sent by a remote server through a wired network module;
the storage module is used for storing the types of different electric vehicles and the type of the adaptive charging interface.
10. The method of claim 6, wherein the charging method comprises: the charging interface further comprises:
the detection device is connected with the control module, arranged on the groove surface of the charging interface placing groove and used for detecting whether the charging connector is placed in the charging interface placing groove or not;
the reminding device is connected with the control module, arranged at the notch of the charging interface placing groove and used for reminding according to the detection result of the detection device;
the detection result of the detection device is also used for controlling the recovery of the pushing motor;
the reminding device is used for reminding a driver whether the charging connector is placed back correctly or not; and the control of the pushing motor is realized according to the detection result.
CN202110700138.2A 2019-12-27 2019-12-27 Charging pile with switchable control guide circuit and charging method Active CN113442759B (en)

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CN111016713B (en) 2021-06-11

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