阅读说明：本技术 一种充电桩、电动汽车、充电方法、计算机设备和可读存储介质 (Charging pile, electric vehicle, charging method, computer equipment and readable storage medium ) 是由 雷贵州 于 2019-10-18 设计创作，主要内容包括：本发明提供一种充电桩,包括第一处理单元用于在所述充电桩与待充电车辆的充电系统建立连接后,生成身份确认请求信息；第一发送单元用于向待充电车辆发送身份确认请求信息；第一接收单元用于接收待充电车辆发送的身份确认响应信息,第一处理单元还用于响应于身份确认响应信息生成充电桩准备就绪的第一信息,第一发送单元还用于向待充电车辆发送第一信息；第一接收单元还用于接收用于表示待充电车辆处于可充电状态的第二信息,第一处理单元还用于响应于第二信息生成对待充电车辆进行充电的指令。本发明能解决现有技术中充电操作复杂,并且在余额不足或者网络不好的情况下无法充电带来的用户体验差的缺陷。本发明还提供一种电动汽车和充电方法。(The invention provides a charging pile which comprises a first processing unit, a second processing unit and a charging unit, wherein the first processing unit is used for generating identity confirmation request information after the charging pile is connected with a charging system of a vehicle to be charged; the first sending unit is used for sending identity confirmation request information to the vehicle to be charged; the first receiving unit is used for receiving identity confirmation response information sent by the vehicle to be charged, the first processing unit is also used for responding to the identity confirmation response information to generate first information of readiness of the charging pile, and the first sending unit is also used for sending the first information to the vehicle to be charged; the first receiving unit is further used for receiving second information used for indicating that the vehicle to be charged is in a chargeable state, and the first processing unit is further used for responding to the second information to generate an instruction for charging the vehicle to be charged. The invention can solve the defects of complicated charging operation and poor user experience caused by incapability of charging under the condition of insufficient balance or poor network in the prior art. The invention also provides the electric automobile and a charging method.)

1. A charging pile, comprising a first processing unit, a first transmitting unit and a first receiving unit, wherein,

the first processing unit is used for generating identity confirmation request information after the charging pile is connected with a charging system of a vehicle to be charged;

the first sending unit is used for sending the identity confirmation request information to the vehicle to be charged;

the first receiving unit is configured to receive identity confirmation response information sent by the vehicle to be charged, the first processing unit is further configured to generate first information used for indicating readiness of the charging pile in response to the identity confirmation response information, and the first sending unit is further configured to send the first information to the vehicle to be charged;

the first receiving unit is further configured to receive second information indicating that the vehicle to be charged is in a chargeable state, and the first processing unit is further configured to generate an instruction to charge the vehicle to be charged in response to the second information.

2. The charging pile according to claim 1, wherein the first processing unit is specifically configured to:

a pulse width modulated signal is generated having a first set number of rising or falling edges.

3. The charging pile according to claim 2, wherein the first processing unit is specifically configured to:

and controlling a fourth switch to be switched from an open state to a closed state and switching the fourth switch for the first set number of times or controlling the fourth switch to be switched from the closed state to the open state and switching the fourth switch for the first set number of times, wherein one end of the fourth switch is connected with a device ground of the charging pile, the other end of the fourth switch is connected with one end of a third switch, the other end of the fourth switch is connected with one end of a fourth resistor, and the other end of the third switch and the other end of the fourth resistor are connected and then connected with a connection confirmation signal end of the charging pile through a fifth resistor.

4. The charging pile according to claim 3, wherein the first processing unit is specifically configured to:

detecting a first voltage signal of a first detection point, determining that the first voltage signal has a second set number of rising edges or falling edges within a set time, wherein the rising edges are changed from 0V to 9V, and the falling edges are changed from 9V to 0V, and generating first information for indicating the readiness of the charging pile in response to determining that the first voltage signal has the second set number of rising edges or falling edges within the set time.

5. The charging pile according to claim 1, wherein the first processing unit is specifically configured to:

a pulse width modulated signal is generated having a set frequency, the set frequency being unequal to 1 KHz.

6. The charging pile according to claim 5, wherein the first processing unit is specifically configured to:

and controlling the first detection point to output a second voltage signal with the set frequency.

7. The charging pile according to claim 6, wherein the first processing unit is specifically configured to:

detecting a third voltage signal of a first detection point, determining that the third voltage signal has a third set number of rising edges or falling edges within a set time, wherein the rising edges are changed from-12V to 0V, and the falling edges are changed from 0V to-12V, and generating the first information for indicating the readiness of the charging pile in response to determining that the third voltage signal has the third set number of rising edges or falling edges within the set time.

8. The charging pile according to claim 1, wherein the first processing unit is specifically configured to:

generating a pulse width modulated signal having a set duty cycle that is greater than 90% and less than 100%.

9. The charging pile according to claim 8, wherein the first processing unit is specifically configured to:

and controlling the first detection point to output a fourth voltage signal with a set duty ratio, wherein the set duty ratio is greater than 90% and less than 100%.

10. The charging pile according to claim 9, wherein the first processing unit is specifically configured to:

detecting a fifth voltage signal of the first detection point, determining that the fifth voltage signal has a fourth set number of rising edges or falling edges within a set time, wherein the rising edges are changed from-12V to 0V, and the falling edges are changed from 0V to-12V, and generating first information for indicating the readiness of the charging pile in response to determining that the fifth voltage signal has the fourth set number of rising edges or falling edges within the set time.

11. An electric vehicle, comprising a second processing unit, a second transmitting unit and a second receiving unit, wherein,

the second receiving unit is used for receiving identity confirmation request information sent by the charging pile after the electric automobile is connected with the charging pile;

the second processing unit is used for determining that the received identity confirmation request information is matched with the preset information and generating identity confirmation response information in response to determining that the received identity confirmation request information is matched with the preset information;

the second sending unit is used for sending the identity confirmation response information to the charging pile;

the second receiving unit is further configured to receive first information indicating that the charging pile is ready, the second processing unit is further configured to generate second information indicating that the electric vehicle is in a chargeable state in response to the first information, and the second sending unit is further configured to send the second information to the charging pile.

12. The electric vehicle according to claim 11, wherein the second processing unit is specifically configured to:

detecting a resistance value between a third detection point and a device ground of the electric automobile, determining that the resistance value between the third detection point and the device ground is changed from RC + R4 to 0 and is changed for a first set number of times, or determining that the resistance value between the third detection point and the device ground is changed from 0 to RC + R4 and is changed for the first set number of times, wherein R4 is a resistance value of a fourth resistor, and RC is a resistance value of a fifth resistor.

13. The electric vehicle of claim 12, wherein the second processing unit is specifically configured to:

and controlling the second detection point to output a first voltage signal, wherein the first voltage signal comprises a second set number of rising edges or falling edges within a set time, the rising edges are changed from 0V to 9V, and the falling edges are changed from 9V to 0V.

14. The electric vehicle of claim 13, wherein the second processing unit is specifically configured to:

and controlling the second detection point to be disconnected from the equipment ground of the electric automobile for the second set number of times within the set time.

15. The electric vehicle according to claim 11, wherein the second processing unit is specifically configured to:

and detecting the frequency of the voltage signal of the second detection point within a set time, and when the frequency of the voltage signal of the second detection point is equal to a preset frequency, determining that the electric automobile is matched with the charging pile.

16. The electric vehicle of claim 15, wherein the second processing unit is specifically configured to:

and controlling the second detection point to output a second voltage signal, wherein the second voltage signal comprises a third set number of rising edges or falling edges within a set time, the rising edges are changed from-12V to 0V, and the falling edges are changed from 0V to-12V.

17. The electric vehicle of claim 16, wherein the second processing unit is specifically configured to:

and controlling the second switch to be switched from the closed state to the open state and to be switched for the third set number of times or controlling the second switch to be switched from the open state to the closed state and to be switched for the third set number of times within a set time.

18. The electric vehicle according to claim 11, wherein the second processing unit is specifically configured to:

and detecting the duty ratio of the voltage signal of the second detection point within the set time, and when the duty ratio is equal to the preset duty ratio, determining that the electric automobile is matched with the charging pile.

19. The electric vehicle of claim 18, wherein the second processing unit is specifically configured to:

and controlling the second detection point to output a third voltage signal, wherein the third voltage signal comprises a fourth set number of rising edges or falling edges within a set time, the rising edges are changed from-12V to 0V, and the falling edges are changed from 0V to-12V.

20. A charging method is applied to a charging pile and comprises the following steps:

after the charging pile is connected with a charging system of a vehicle to be charged, generating identity confirmation request information;

sending the identity confirmation request information to the vehicle to be charged;

receiving identity confirmation response information sent by the vehicle to be charged, generating first information used for indicating the readiness of the charging pile in response to the identity confirmation response information, and sending the first information to the electric vehicle;

and receiving second information indicating that the vehicle to be charged is in a chargeable state, and generating an instruction for charging the vehicle to be charged in response to the second information.

21. The method according to claim 20, wherein the generating the identity confirmation request message specifically comprises:

a pulse width modulated signal is generated having a first set number of rising or falling edges.

22. The method according to claim 21, wherein generating the pulse width modulated signal having the first set number of rising edges or falling edges comprises:

and switching a fourth switch from an open state to a closed state and switching the fourth switch for the first set number of times or switching the fourth switch from the closed state to the open state and switching the fourth switch for the first set number of times, wherein one end of the fourth switch is connected with the equipment ground of the charging pile, the other end of the fourth switch is connected with one end of the third switch, the other end of the fourth switch is connected with one end of a fourth resistor, and the other end of the third switch and the other end of the fourth resistor are connected and then connected with a connection confirmation signal end of the vehicle to be charged through a fifth resistor.

23. The method according to claim 22, wherein the determining that the information sent by the vehicle to be charged is identity confirmation response information specifically comprises:

detecting a first voltage signal of a first detection point, determining that the first voltage signal has a second set number of rising edges or falling edges within a set time, wherein the rising edges are changed from 0V to 9V, and the falling edges are changed from 9V to 0V, and generating first information for indicating that the charging pile is ready in response to determining that the first voltage has the second set number of rising edges or falling edges within the set time.

24. The method according to claim 20, wherein the generating the identity confirmation request message specifically comprises:

a pulse width modulated signal is generated having a set frequency, the set frequency being unequal to 1 KHz.

25. The method according to claim 24, wherein the generating a pulse width modulated signal having a set frequency specifically comprises:

and controlling the first detection point to output a second voltage signal with the set frequency.

26. The method according to claim 25, wherein the determining that the information sent by the vehicle to be charged is the identity confirmation response information specifically comprises:

detecting a third voltage signal of a first detection point, determining that the third voltage signal has a third set number of rising edges or falling edges within a set time, wherein the rising edges are changed from-12V to 0V, and the falling edges are changed from 0V to-12V, and generating first information for indicating the readiness of the charging pile in response to determining that the third voltage signal has the third set number of rising edges or falling edges within the set time.

27. The method according to claim 20, wherein the generating the identity confirmation request message specifically comprises:

generating a pulse width modulated signal having a set duty cycle that is greater than 90% and less than 100%.

28. The method according to claim 27, wherein the generating a pulse width modulated signal having a set duty cycle comprises:

and controlling the first detection point to output a fourth voltage signal with a set duty ratio, wherein the set duty ratio is greater than 90% and less than 100%.

29. The method according to claim 28, wherein the determining that the information sent by the vehicle to be charged is the identity confirmation response information specifically comprises:

detecting a fifth voltage signal of the first detection point, determining that the fifth voltage signal has a fourth set number of rising edges or falling edges within a set time, wherein the rising edges of the fifth voltage signal are changed from-12V to 0V, the falling edges of the fifth voltage signal are changed from 0V to-12V, and generating first information for indicating the readiness of the charging pile in response to the determination that the fifth voltage signal has the fourth set number of rising edges or falling edges within the set time.

30. A charging method is characterized by being applied to an electric automobile and comprising the following steps:

after the connection between the electric automobile and a charging pile is established, receiving identity confirmation request information sent by the charging pile, determining that the received identity confirmation request information is matched with preset information, responding to the fact that the received identity request is matched with the preset information to generate identity confirmation response information, and sending the identity confirmation response information to the charging pile;

receiving first information sent by a charging pile and used for indicating the readiness of the charging pile, responding to the first information, generating second information used for indicating that the electric automobile is in a chargeable state, and sending the second information.

31. The method according to claim 30, wherein the confirming that the received identity confirmation request message matches the preset message specifically comprises:

detecting a resistance value between a third detection point and a device ground, determining whether the resistance value between the third detection point and the device ground changes from RC + R4 to 0 and changes a first set number of times, or determining whether the resistance value between the third detection point and the device ground changes from 0 to RC + R4 and changes the first set number of times, wherein R4 is a resistance value of a fourth resistor, and RC is a resistance value of a fifth resistor;

the step of generating the identity confirmation response information in response to determining that the received identity confirmation request information is matched with the preset information specifically includes:

and controlling the second detection point to output a first voltage signal, wherein the first voltage signal comprises a second set number of rising edges or falling edges within a set time, the rising edges are changed from 0V to 9V, and the falling edges are changed from 9V to 0V.

32. The method of claim 31, wherein the controlling the second detection point to output the first voltage signal specifically comprises:

and controlling the second detection point to be disconnected from the ground for the second set number of times within set time.

33. The method according to claim 30, wherein the confirming whether the received identity confirmation request message matches with the preset message specifically comprises:

detecting the frequency of the voltage signal of the second detection point within a set time, and when the frequency of the voltage signal of the second detection point is equal to a preset frequency, determining that the electric automobile is matched with the charging pile;

the step of generating the identity confirmation response information in response to determining that the received identity request information matches the preset information specifically includes: and controlling the second detection point to output a second voltage signal, wherein the second voltage signal comprises a third set number of rising edges or falling edges within a set time, the rising edges are changed from-12V to 0V, and the falling edges are changed from 0V to-12V.

34. The method of claim 33, wherein the controlling the second sensing circuit to output the second voltage signal specifically comprises:

and controlling the second switch to be switched from the closed state to the open state and to be switched for the third set number of times or controlling the second switch to be switched from the open state to the closed state and to be switched for the third set number of times within a set time.

35. The method according to claim 30, wherein the confirming whether the received identity confirmation request message matches with the preset message specifically comprises:

detecting the duty ratio of a voltage signal of the second detection point within a set time, and when the duty ratio is equal to a preset duty ratio, determining that the electric automobile is matched with the charging pile;

the step of generating the identity confirmation response information in response to determining that the received identity request information matches the preset information specifically includes:

and controlling the second detection point to output a third voltage signal, wherein the third voltage signal comprises a fourth set number of rising edges or falling edges within a set time, the rising edges are changed from-12V to 0V, and the falling edges are changed from 0V to-12V.

36. A computer-readable storage medium, on which a computer program is stored, which, when being executed by a computer device, carries out the method steps of any one of the preceding claims 20 to 35.

37. A computer device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, wherein the processor executes the computer program to cause the computer device to perform the steps of the method of any one of claims 20 to 35.

Technical Field

The invention relates to the technical field of electric automobile charging, in particular to a charging pile, an electric automobile, a charging method, computer equipment and a readable storage medium.

Background

The country supports new energy vehicles, the rapid development of the new energy vehicles is promoted, and correspondingly matched charging piles are increasingly built. The alternating-current charging pile is a common one, and is mostly built on parking spaces of residential areas or other public parking lots. The alternating-current charging pile is communicated with the automobile through a PWM (pulse width modulation) signal and a CP (control pilot function) signal line of a control pilot circuit, and communication functions of connection determination, charging current determination, starting and stopping charging and the like are achieved.

Most electric pile that fills at present need start APP or punch the card and just can charge, and this operation of charging is complicated to just can't charge when balance is not enough or the network is not good, and visible use is not humanized, and user experience is poor.

Disclosure of Invention

The invention aims to overcome the defects of the prior art, provides a charging method, and solves the defect that a user cannot charge when the balance is insufficient or the network is not good in the prior art.

In order to realize the purpose, the following technical scheme is adopted:

in a first aspect, the present invention provides a charging pile, comprising a first processing unit, a first transmitting unit and a first receiving unit, wherein,

the first processing unit is used for generating identity confirmation request information after the charging pile is connected with a charging system of a vehicle to be charged;

the first sending unit is used for sending the identity confirmation request information to the vehicle to be charged;

the first receiving unit is configured to receive identity confirmation response information sent by the vehicle to be charged, the first processing unit is further configured to generate first information used for indicating readiness of the charging pile in response to the identity confirmation response information, and the first sending unit is further configured to send the first information to the vehicle to be charged;

the first receiving unit is further configured to receive second information indicating that the vehicle to be charged is in a chargeable state, and the first processing unit is further configured to generate an instruction to charge the vehicle to be charged in response to the second information.

In a second aspect, the present invention provides an electric vehicle, comprising a second processing unit, a second transmitting unit and a second receiving unit, wherein,

the second receiving unit is used for receiving identity confirmation request information sent by the charging pile after the electric automobile is connected with the charging pile;

the second processing unit is used for determining that the received identity confirmation request information is matched with the preset information and generating identity confirmation response information in response to determining that the received identity confirmation request information is matched with the preset information;

the second sending unit is used for sending the identity confirmation response information to the charging pile;

the second receiving unit is further used for receiving first information used for indicating the readiness of the charging pile, the second processing unit is further used for responding to the first information to generate second information used for indicating that the electric automobile is in a chargeable state, and the second sending unit is further used for sending the second information.

In a third aspect, the present invention provides a charging method applied to a charging pile, including:

after the charging pile is connected with a charging system of a vehicle to be charged, generating identity confirmation request information;

sending identity confirmation request information to the vehicle to be charged;

receiving identity confirmation response information sent by the vehicle to be charged, generating first information for indicating the readiness of the charging pile in response to the identity confirmation response information, and sending the first information;

and receiving second information for determining that the vehicle to be charged is in a chargeable state, and generating an instruction for charging the vehicle to be charged in response to the second information.

In a fourth aspect, the present invention provides a charging method applied to an electric vehicle, including:

after the electric automobile is connected with a charging pile, receiving identity confirmation request information sent by the charging pile, determining that the received identity confirmation request information is matched with preset information, responding to the fact that the received identity request information is matched with the preset information to generate identity confirmation response information, and sending the identity confirmation response information;

receiving first information sent by a charging pile, wherein the first information is ready for charging, and sending second information that a vehicle is in a chargeable state in response to the first information.

In a fifth aspect, the invention provides a computer-readable storage medium, on which a computer program is stored, characterized in that the computer program realizes the aforementioned method steps when executed by a computer device.

In a sixth aspect, the present invention provides a computer device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, the processor executing the computer program to cause the computer device to perform the steps of the aforementioned method.

The invention has the beneficial effects that: according to the charging method, after the charging pile is connected with the charging system of the vehicle to be charged, identity confirmation request information is sent to the vehicle to be charged, identity confirmation response information is received and detected, if the identity confirmation response information is received, ready information is output, and the vehicle is charged after the chargeable information of the vehicle to be charged is received. The charging method improves the user experience.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, and it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope of the present invention.

Fig. 1 is a schematic structural diagram of a charging pile according to an embodiment of the present invention;

FIG. 2 is a schematic diagram of a corresponding charge steering circuit according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of an electric vehicle according to a second embodiment of the invention;

fig. 4 is a schematic flow chart of a charging method according to a third embodiment of the present invention;

fig. 5 is a schematic flowchart of a charging method according to a fourth embodiment of the present invention.

Detailed Description

Hereinafter, various embodiments of the present invention will be described more fully. The invention is capable of various embodiments and of modifications and variations therein. However, it should be understood that: there is no intention to limit various embodiments of the invention to the specific embodiments disclosed herein, but on the contrary, the intention is to cover all modifications, equivalents, and/or alternatives falling within the spirit and scope of various embodiments of the invention.

Hereinafter, the terms "includes" or "may include" used in various embodiments of the present invention indicate the presence of disclosed functions, operations, or elements, and do not limit the addition of one or more functions, operations, or elements. Furthermore, as used in various embodiments of the present invention, the terms "comprises," "comprising," "includes," "including," "has," "having" and their derivatives are intended to mean that the specified features, numbers, steps, operations, elements, components, or combinations of the foregoing, are only meant to indicate that a particular feature, number, step, operation, element, component, or combination of the foregoing, is not to be understood as first excluding the existence of, or adding to the possibility of, one or more other features, numbers, steps, operations, elements, components, or combinations of the foregoing.

In various embodiments of the invention, the expression "a or/and B" includes any or all combinations of the words listed simultaneously, e.g., may include a, may include B, or may include both a and B.

Expressions (such as "first", "second", and the like) used in various embodiments of the present invention may modify various constituent elements in various embodiments, but may not limit the respective constituent elements. For example, the above description does not limit the order and/or importance of the elements described. The foregoing description is for the purpose of distinguishing one element from another. For example, the first user device and the second user device indicate different user devices, although both are user devices. For example, a first element could be termed a second element, and, similarly, a second element could be termed a first element, without departing from the scope of various embodiments of the present invention.

It should be noted that: in the present invention, unless otherwise explicitly stated or defined, the terms "mounted," "connected," "fixed," and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium; there may be communication between the interiors of the two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, it should be understood by those skilled in the art that the terms indicating an orientation or a positional relationship herein are based on the orientations and the positional relationships shown in the drawings and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or the element referred to must have a specific orientation, be constructed in a specific orientation and operate, and thus, should not be construed as limiting the present invention.

The terminology used in the various embodiments of the present invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the various embodiments of the present invention. Unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the various embodiments of the present invention belong. The terms (such as those defined in commonly used dictionaries) should be interpreted as having a meaning that is consistent with their meaning in the context of the relevant art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.

The charging pile 1 comprises a first processing unit 11, a first sending unit 12 and a first receiving unit 13, wherein the first processing unit 11 is used for generating identity confirmation request information after the charging pile is connected with a charging system of a vehicle to be charged; the first sending unit 12 is configured to send the identity confirmation request information to the vehicle to be charged; the first receiving unit 13 is configured to receive identity confirmation response information sent by a vehicle to be charged, the first processing unit 11 is further configured to generate first information of readiness of a charging pile in response to the identity confirmation response information, and the first sending unit 12 is further configured to send the first information to the vehicle to be charged; the first receiving unit 13 is further configured to receive second information indicating that the vehicle to be charged is in a chargeable state, and the first processing unit 11 is further configured to generate an instruction to charge the vehicle to be charged in response to the second information.

As shown in fig. 2, which is a charging control guidance circuit diagram of a charging post and an electric vehicle according to an embodiment of the present invention, in fig. 2, the vehicle interface includes a vehicle socket and a vehicle plug, the vehicle socket and a power supply device constitute the charging post, in fig. 2, one end of a fourth switch S4 is connected to a device ground of the power supply device, the other end of the fourth switch S4 is connected to one end of a fourth resistor R4, the other end of the fourth switch S4 is connected to one end of a third switch S3, and the other end of the fourth resistor R4 is connected to a CC line at the electric vehicle end through a fifth resistor after being connected to the other end of the third switch S3.

The following description will take the example of generating the identity confirmation request message to control the fourth switch S4 to switch from the open state to the closed state and switch the first set number of times or to control the fourth switch to switch from the closed state to the open state and switch the first set number of times.

After the charging pile is connected with the charging system of the vehicle to be charged, the first processing unit 11 of the charging pile end controls the fourth switch S4 to switch from the open state to the closed state and switch for the first set number of times or controls the fourth switch to switch from the closed state to the open state and switch for the first set number of times, and generates a pulse width modulation signal with a first set number of rising edges or falling edges by controlling the fourth switch, wherein the pulse width modulation signal is identity confirmation request information. The first set number of times may be 3 times, and after the first processing unit 11 generates the pwm signal, the first transmitting unit 12 transmits the pwm signal.

The electric vehicle (i.e., the vehicle to be charged) side second receiving unit 21 receives the pulse width modulation signal, and the second processing unit 22 determines whether the electric vehicle is matched with the charging post by detecting a change in resistance value between the third detection point and the device ground of the vehicle receptacle of the charging post side, specifically, if the first processing unit 11 controls the fourth switch S4 to be switched from the open state to the closed state 3 times, the second processing unit 22 detects that the resistance value between the third detection point and the device ground changes from 0 to RC + R4 and 3 times within the set time, the electric vehicle is considered to be matched with the charging post, if the first processing unit 11 controls the fourth switch S4 to switch from the closed state to the open state, the second processing unit 22 detects that the resistance value between the third detection point and the device ground is changed from RC + R4 to 0 and is changed 3 times, and determines that the electric vehicle is matched with the charging pile. After the second processing unit 22 determines that the charging pile and the electric vehicle are matched, the second processing unit 22 generates identity confirmation response information, and the second sending unit 23 sends the identity confirmation response information, specifically, the second processing unit 22 outputs a first voltage signal by controlling the second detection point, wherein the first voltage signal includes a second set number of rising edges or falling edges within a set time, the rising edges are changed from 0V to 9V, and the falling edges are changed from 9V to 0V. Specifically, to output the first voltage information, the second processing unit 22 may control the detection point 2 of the electric vehicle to be disconnected from the device ground of the electric vehicle end for a second set number of times, where the second set number may be 3.

The first receiving unit 13 of the charging pile end receives identity confirmation response information sent by the electric vehicle, and the first processing unit 11 is used for generating first information of readiness of the charging pile in response to the identity confirmation response information. The first processing unit 11 detects a first voltage signal of the first detection electricity, and determines whether the first voltage signal has 3 rising edges or falling edges within a set time, wherein the rising edges are changed from 0V to 9V, and the falling edges are changed from 9V to 0V. If the first processing unit 11 detects that the first voltage signal has 3 rising edges or falling edges within a set time, first information of readiness of the charging pile is generated. The first transmission unit 13 transmits the first information to the vehicle to be charged.

After the second receiving unit 21 at the electric vehicle end receives the first information, the processing unit 22 of the electric vehicle generates second information that the electric vehicle is in a chargeable state in response to the first information, and the second sending unit 23 sends the second information to the charging pile.

The first receiving unit 13 of the charging pile terminal receives the second information, and the first processing unit 11 generates an instruction for charging the vehicle to be charged in response to the second information.

Through set up switch S4 at the stake end that charges to break-make through control switch S4 generates the identity and confirms response information, can simulate electric automobile 'S plug on the one hand, can realize electric automobile and fill electric pile' S identity confirmation on the other hand, through the automatic identification who fills electric pile and vehicle, under the condition that does not have network signal or balance not enough, own car can charge through own stake, and other people 'S car then charges through normal route, this fills electric pile has improved user' S experience.

The following description will be made by taking an example of generating a pwm signal for controlling the output of the first checkpoint at the set frequency in the identity confirmation request message.

After the connection between the charging pile and the charging system of the vehicle to be charged is established, the first processing unit 11 at the charging pile end generates pulse width modulation information with a set frequency, wherein the set frequency is not equal to 1 KHz. The first transmission unit 12 transmits a pulse width modulation signal of the set frequency. Specifically, the first processing unit 11 may control the first detection point to output the second voltage signal of the set frequency.

The second receiving unit 21 of the electric vehicle receives the pwm signal with the set frequency, and the second processing unit 22 determines whether the pwm signal with the set frequency received by the receiving unit matches with the preset information. Specifically, the second processing unit 22 detects the frequency of the voltage signal at the second detection point within a set time, determines whether the frequency of the voltage signal at the second detection point is equal to a preset frequency, and determines that the vehicle to be charged is matched with the charging pile if the frequency of the voltage signal at the second detection point is equal to the preset frequency. When the electric vehicle is matched with the charging pile, the second processing unit 22 generates identity confirmation response information in response to the received identity request information being matched with preset information, and the second sending unit 23 sends the identity confirmation response information. To generate the identity confirmation response message, the second processing unit 22 controls the second switch to switch from the closed state to the open state and switch for a third set number of times within a set time or controls the second switch to switch from the open state to the closed state and switch for the third set number of times, where the third set number of times may be specifically 3 times.

The first receiving unit 13 of the charging pile terminal receives the identity confirmation response information, and the first processing unit 11 is configured to generate a first charging pile readiness information in response to the received identity confirmation response information. Specifically, the first processing unit 11 detects a third voltage signal at a first detection point, determines whether the third voltage signal has a third set number of rising edges or falling edges within a set time, the rising edges change from-12V to 0V, the falling edges change from 0V to-12V, generates first information that the charging pile is ready if the third voltage signal has the third set number of rising edges or falling edges within the set time, and the first transmitting unit 12 transmits the first information.

The second receiving unit 21 of the electric vehicle receives the first information, the second processing unit 22 generates second information that the electric vehicle is in a chargeable state in response to the first information, and the second sending unit 23 is further configured to send the second information.

The first receiving unit 13 of the charging pile terminal receives the second information, and the first processing unit 11 generates an instruction for charging the vehicle to be charged in response to the second information.

The pulse width modulation signal with the set frequency is sent through the charging pile end, and the electric automobile end detects whether the received pulse width modulation signal with the set frequency is consistent with preset information or not to determine whether a vehicle to be charged is matched with the charging pile or not. Through the automatic identification who fills electric pile and vehicle, under the condition that does not have network signal or the balance is not enough, own car can charge through own stake, and other people's car then charges through normal route, and this electric automobile has improved user's experience.

The following description will be given taking an example of generating a pulse width modulation signal for controlling the output of the set duty ratio at the first detection point as the identity confirmation request information.

After the charging pile is connected with the charging system of the vehicle to be charged, the first processing unit 11 at the charging pile end generates identity confirmation request information, and the first sending unit 12 sends the identity confirmation request information. Specifically, the first processing unit 11 controls the first detection point to output a fourth voltage signal of a set duty ratio, which is greater than 90% and less than 100%.

The second receiving unit 21 of the electric vehicle receives the identity confirmation request information, the second processing unit 22 determines whether the received identity confirmation request information matches with preset information, and if so, generates identity confirmation response information in response to determining that the received identity confirmation request information matches with the preset information. Specifically, the second processing unit 22 detects a duty ratio of the voltage signal at the second detection point within a set time, determines whether the duty ratio of the voltage signal at the second detection point is equal to a preset duty ratio, and determines that the electric vehicle is matched with the charging pile if the duty ratio of the voltage signal at the second detection point is equal to the preset duty ratio. To generate the identity confirmation response information, the second processing unit 22 further controls the second detection point to output a third voltage signal, where the third voltage signal includes a fourth set number of rising edges or falling edges within a set time, the rising edges are from-12V to 0V, and the falling edges are from 0V to-12V. The second sending unit 23 sends the identity confirmation response message.

The first receiving unit 13 of the charging pile terminal receives the identity confirmation response information, and the first processing unit 11 generates a charging pile readiness first information in response to the identity confirmation response information. Specifically, the first processing unit 11 detects a fifth voltage signal at the first detection point, and determines whether the fifth voltage signal has a fourth set number of rising edges or falling edges within a set time, the rising edges being from-12V to 0V, and the falling edges being from 0V to-12V. If the fifth voltage signal has a fourth set number of rising edges or falling edges within a set time, the first processing unit 11 generates first information that the charging pile is ready, and the charging pile transmitting unit 12 transmits the first information.

The second receiving unit 21 of the electric vehicle receives the first information, the second processing unit 22 generates second information that the electric vehicle is in a chargeable state in response to the first information, and the second sending unit 23 sends the second information.

The first receiving unit 13 of the charging pile terminal receives the second information, and the first processing unit 11 generates an instruction for charging the vehicle to be charged in response to the second information.

The method comprises the steps that a pulse width modulation signal with a set duty ratio is sent through a charging pile end, and the electric automobile end determines matching of the charging pile and a vehicle to be charged by comparing whether the pulse width modulation signal with the set duty ratio is matched with preset information. Through the automatic identification who fills electric pile and vehicle, under the condition that does not have network signal or the balance is not enough, own car can charge through own stake, and other people's car then charges through normal route, and this electric automobile has improved user's experience.

The second embodiment of the present invention provides an electric vehicle, as shown in fig. 3, the electric vehicle 2 includes a second processing unit 22, a second sending unit 23, and a second receiving unit 21, where the second receiving unit 21 is configured to receive, after the electric vehicle establishes a connection with a charging pile, identity confirmation request information sent by the charging pile; the second processing unit is used for determining that the received identity confirmation request information is matched with the preset information and responding to the received identity confirmation request information which is determined to be matched with the preset information to generate identity confirmation response information; the second sending unit 23 is configured to send the identity confirmation response message to the charging pile; the second receiving unit 21 is further configured to receive first information that a charging pile is ready, the second processing unit 22 is further configured to generate second information that the electric vehicle is in a chargeable state in response to the first information, and the second sending unit 23 is further configured to send the second information.

The detailed explanation of the electric vehicle refers to the description of the first embodiment, and thus the detailed description is omitted.

The third embodiment of the invention provides a charging method applied to a charging pile, and as shown in fig. 4, the method comprises the following steps:

and S11, generating identity confirmation request information after the charging pile is connected with a charging system of the vehicle to be charged.

S12, identity confirmation request information is sent to the vehicle to be charged;

s13, receiving identity confirmation response information sent by the vehicle to be charged, responding to the identity confirmation response information to generate first information of readiness of charging pile, and sending the first information;

and S14, receiving second information used for determining that the vehicle to be charged is in a chargeable state, and generating an instruction for charging the vehicle to be charged in response to the second information.

The following description will take the example of generating the identity confirmation request message to control the fourth switch S4 to switch from the open state to the closed state and switch the first set number of times or to control the fourth switch to switch from the closed state to the open state and switch the first set number of times.

The charging post controls the fourth switch S4 to switch from the open state to the closed state and switch the first set number of times or controls the fourth switch to switch from the closed state to the open state and switch the first set number of times after the charging post establishes a connection with a charging system of the vehicle to be charged, thereby generating the pulse width modulation signal having the first set number of rising edges or falling edges. And after the pulse width modulation signal is generated, sending the pulse width modulation signal to a vehicle to be charged.

The electric vehicle (i.e. the vehicle to be charged) receives the pwm signal, determines whether the received pwm signal matches preset information, specifically, the electric vehicle determines whether the electric vehicle matches the charging post by detecting a change in a resistance value between the third detection point and a device ground of the vehicle receptacle of the charging post, specifically, if the charging post controls the fourth switch S4 to be switched from an open state to a closed state 3 times, the electric vehicle detects that the resistance value between the third detection point and the device ground is changed from 0 to RC + R4 and 3 times within a set time, the electric vehicle is considered to be matched with the charging post, and if the charging post controls the fourth switch S4 to be switched from the closed state to the open state, the electric vehicle detects that the resistance value between the third detection point and the device ground is changed from RC + R4 to 0 and 3 times, determining that the electric automobile is matched with the charging pile. After the electric automobile determines that the charging pile is matched with the electric automobile, the electric automobile generates identity confirmation response information and sends the identity confirmation response information to the charging pile, the electric automobile outputs a first voltage signal by controlling a second detection point, the first voltage signal comprises a second set number of rising edges or falling edges within a set time, the rising edges are changed from 0V to 9V, and the falling edges are changed from 9V to 0V. Specifically, to output the first voltage information, the electric vehicle may control the connection between the detection point 2 and the device ground of the electric vehicle end to be disconnected a second set number of times, where the second set number may be 3.

The charging pile receives identity confirmation response information sent by the electric automobile, and generates first information of readiness of the charging pile in response to the identity confirmation response information. The charging pile detects a first voltage signal of a first detection point, and judges whether the first voltage signal has 3 rising edges or falling edges within a set time, wherein the rising edges are changed from 0V to 9V, and the falling edges are changed from 9V to 0V. If the charging pile detects that the first voltage signal has 3 rising edges or falling edges within the set time, generating first information of readiness of the charging pile, and sending the first information to the vehicle to be charged.

And after receiving the first information, the electric automobile responds to the first information to generate second information of the electric automobile in a chargeable state, and sends the second information to the charging pile.

And the charging pile receives the second information and generates a command for charging the vehicle to be charged in response to the second information.

Through set up switch S4 at the stake end of charging to turn on or off through control switch S4 and generate the identity and confirm response message, can simulate electric automobile ' S plug on the one hand, can realize electric automobile and fill the identity of electric pile on the other hand and confirm, through the automatic identification who fills electric pile and vehicle, under the condition that does not have network signal or the balance is not enough, own car can charge through own stake, and other people ' S car charges through normal route, and this charging method has improved user ' S experience.

The following description will be made by taking an example of generating a pwm signal for controlling the output of the first checkpoint at the set frequency in the identity confirmation request message.

And after the charging pile is connected with a charging system of the vehicle to be charged, generating pulse width modulation information with set frequency, wherein the set frequency is not equal to 1 KHz. And the charging pile sends the pulse width modulation signal with the set frequency to the electric automobile. Specifically, the charging pile may control the first detection point to output the second voltage signal of the set frequency.

And the electric automobile receives the pulse width modulation signal with the set frequency and judges whether the received pulse width modulation signal with the set frequency is matched with preset information. Specifically, the electric vehicle detects the frequency of the voltage signal of the second detection point within a set time, judges whether the frequency of the voltage signal of the second detection point is equal to a preset frequency, and determines that the vehicle to be charged is matched with the charging pile if the frequency of the voltage signal of the second detection point is equal to the preset frequency. And when the electric automobile is matched with the charging pile, the electric automobile responds to the received identity request information and matches with preset information to generate identity confirmation response information, and the identity confirmation response information is sent to the charging pile. In order to generate the identity confirmation response message, the electric vehicle controls the second switch to switch from the closed state to the open state and switch for a third set number of times within a set time or controls the second switch to switch from the open state to the closed state and switch for the third set number of times, where the third set number of times may be specifically 3 times.

And the charging pile receives the identity confirmation response information and generates charging pile readiness first information in response to the received identity confirmation response information. Specifically, the charging pile detects a third voltage signal of a first detection point, judges whether the third voltage signal has a third set number of rising edges or falling edges within a set time, the rising edges change from-12V to 0V, the falling edges change from 0V to-12V, and if the third voltage signal has the third set number of rising edges or falling edges within the set time, generates first information of readiness of the charging pile and sends the first information to the electric vehicle.

And the electric automobile end receives the first information, responds to the first information to generate second information that the electric automobile is in a chargeable state, and the electric automobile sends the second information to the charging pile.

And receiving second information for determining that the vehicle to be charged is in a chargeable state by the charging pile, and generating an instruction for charging the vehicle to be charged in response to the second information.

The pulse width modulation signal with the set frequency is sent through the charging pile end, and the electric automobile end detects whether the received pulse width modulation signal with the set frequency is consistent with preset information or not to determine whether a vehicle to be charged is matched with the charging pile or not. Through the automatic identification of the charging pile and the vehicle, under the condition that no network signal exists or the balance is insufficient, the vehicle can be charged through the pile, and the vehicles of other people are charged through a normal way, so that the charging method improves the user experience.

The following description will be given taking an example of generating a pulse width modulation signal for controlling the output of the set duty ratio at the first detection point as the identity confirmation request information.

And after the charging pile end establishes connection with a charging system of the vehicle to be charged, generating identity confirmation request information and sending the identity confirmation request information to the electric vehicle. Specifically, the charging pile controls the first detection point to output a fourth voltage signal with a set duty ratio, wherein the set duty ratio is greater than 90% and less than 100%.

And the electric automobile receives the identity confirmation request information, judges whether the received identity confirmation request information is matched with preset information or not, and responds to the fact that the received identity request information is matched with the preset information to generate identity confirmation response information if the received identity confirmation request information is matched with the preset information. Specifically, the electric vehicle detects the duty ratio of the voltage signal of the second detection point within a set time, judges whether the duty ratio of the voltage signal of the second detection point is equal to a preset duty ratio, and determines that the electric vehicle is matched with the charging pile if the duty ratio of the voltage signal of the second detection point is equal to the preset duty ratio. In order to generate the identity confirmation response information, the electric automobile further controls the second detection point to output a third voltage signal, wherein the third voltage signal comprises a fourth set number of rising edges or falling edges within a set time, the rising edges are changed from-12V to 0V, and the falling edges are changed from 0V to-12V.

And the charging pile receives the identity confirmation response information and generates charging pile readiness first information in response to the identity confirmation response information. Specifically, the charging pile detects a fifth voltage signal of the first detection point, and determines whether the fifth voltage signal has a fourth set number of rising edges or falling edges within a set time, wherein the rising edges are changed from-12V to 0V, and the falling edges are changed from 0V to-12V. If the fifth voltage signal has rising edges or falling edges of a fourth set number within a set time, the charging pile generates first information of readiness of the charging pile and sends the first information to the electric automobile.

And the electric automobile receives the first information, responds to the first information to generate second information of the electric automobile in a chargeable state, and sends the second information to the charging pile.

And receiving second information for determining that the vehicle to be charged is in a chargeable state, and generating an instruction for charging the vehicle to be charged in response to the second information.

The method comprises the steps that a pulse width modulation signal with a set duty ratio is sent through a charging pile end, and the electric automobile end determines matching of the charging pile and a vehicle to be charged by comparing whether the pulse width modulation signal with the set duty ratio is matched with preset information. Through the automatic identification who fills electric pile and vehicle, under the condition that does not have network signal or the balance is not enough, own car can charge through own stake, and other people's car then charges through normal route, and this electric automobile has improved user's experience.

The fourth embodiment of the invention provides a charging method applied to an electric vehicle, which comprises the following steps:

s21, after the electric automobile is connected with a charging pile, receiving identity confirmation request information sent by the charging pile, determining that the received identity confirmation request information is matched with preset information, responding to the fact that the received identity request information is matched with the preset information to generate identity confirmation response information, and sending the identity confirmation response information;

and S22, receiving first information of charging pile readiness sent by the charging pile, responding to second information that the primary vehicle is in a chargeable state and sending the second information.

For a detailed description of the method of this embodiment, reference is made to the description of the third embodiment, and thus, detailed description is omitted.

An embodiment of the present invention provides a computer-readable storage medium, on which a computer program is stored, where the computer program is implemented, when executed by a computer device, to implement the method steps of any one of the preceding claims.

An embodiment of the present invention provides a computer device, including a memory, a processor, and a computer program stored in the memory and executable on the processor, where the processor executes the computer program to make the computer device execute the steps of the foregoing method.

The above-described embodiments are merely illustrative of several embodiments of the present invention, which are described in more detail and detail, but are not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, other various changes and modifications can be made according to the above-described technical solutions and concepts, and all such changes and modifications should fall within the protection scope of the present invention.