Method for operating and maintaining charging pile
阅读说明：本技术 充电桩运行维护的方法 (Method for operating and maintaining charging pile ) 是由 刘允利 于 2019-12-02 设计创作，主要内容包括：本发明公开了一种充电桩运行维护的方法,该充电桩用来接入市电,该方法包括：提供一种供电监测电路,该供电监测电路用来向充电桩内的控制单元发送供电脉冲信号,控制单元通过通信模块与服务器通信,当控制单元检测不到供电监测电路发送的供电脉冲信号时确定为停电信号；提供一种储能装置,该储能装置常态下由市电充电；当控制单元收到停电信号时,控制单元切断除控制单元和通信模块外的其他工作模块的供电,储能装置利用其储存的电能为控制单元和通信模块供电,控制单元通过通信模块向服务器发送停电信号。该方法可以让服务器端准确获取终端的停电信息。(The invention discloses a method for operating and maintaining a charging pile, wherein the charging pile is used for accessing commercial power, and the method comprises the following steps: the power supply monitoring circuit is used for sending a power supply pulse signal to a control unit in a charging pile, the control unit is communicated with a server through a communication module, and when the control unit cannot detect the power supply pulse signal sent by the power supply monitoring circuit, the power supply monitoring circuit determines the power supply pulse signal as a power stop signal; providing an energy storage device, wherein the energy storage device is charged by commercial power in a normal state; when the control unit receives the power failure signal, the control unit cuts off the power supply of other working modules except the control unit and the communication module, the energy storage device utilizes the stored electric energy to supply power for the control unit and the communication module, and the control unit sends the power failure signal to the server through the communication module. The method can enable the server to accurately acquire the power failure information of the terminal.)
1. A method for operation and maintenance of a charging pile is provided, the charging pile is used for accessing commercial power, and the method is characterized by comprising the following steps:
providing a power supply monitoring circuit, wherein the power supply monitoring circuit is used for sending a power supply pulse signal to a control unit in a charging pile, the control unit is communicated with a server through a communication module, and when the control unit cannot detect the power supply pulse signal sent by the power supply monitoring circuit, the control unit determines the power supply pulse signal as a power stop signal;
providing an energy storage device which is normally charged by the mains supply;
when the control unit receives a power failure signal, the control unit cuts off the power supply of other working modules except the control unit and the communication module, the energy storage device utilizes the stored electric energy to supply power for the control unit and the communication module, and the control unit sends the power failure signal to the server through the communication module.
2. The method for operation and maintenance of a charging pile according to claim 1, wherein the control unit cuts off other working modules except the control unit and the communication module by cutting off a power supply device.
3. The method for maintaining operation of a charging pile according to claim 2, wherein the power cut-off device is a power control switch.
4. The method for operation and maintenance of the charging pile according to claim 3, wherein the power control switch is a MOS (metal oxide semiconductor) tube, a triode or a solid-state relay.
5. The method for operation and maintenance of the charging pile according to claim 1, wherein the energy storage device is a capacitor or a rechargeable battery.
6. The charging pile operation and maintenance method according to claim 1, wherein the power supply monitoring circuit comprises an optical coupling element, a capacitor, a first resistor and a second resistor, an input end of the optical coupling element, the capacitor and the first resistor are connected in series to the commercial power, the second resistor is connected between a power supply end of the optical coupling element and an output end of the optical coupling element, and an output end of the optical coupling element is connected with an input port of the control unit.
7. The method for operation and maintenance of the charging pile according to claim 1, wherein the communication module adopts 2G gprs, 3G, 4G, Ethernet or wifi.
Technical Field
The invention relates to the technical field of charging pile operation and maintenance, in particular to a charging pile operation and maintenance method.
Background
Along with electric vehicle's popularization, fill electric pile more and more by the construction, no matter fill electric pile or direct current, it is independent after the construction, fill electric pile in the use, its inside device has the loss, in time maintains, otherwise can the damage of a spare part lead to filling electric pile can't put into use again.
At present, most of charging pile monitoring and maintenance processes are in a charging pile terminal information-fault judgment-maintenance mode, and the mode can timely master the operation condition of terminal equipment and provides reference for judging whether maintenance is needed or not.
The invention discloses an automobile charging pile monitoring and maintaining method with the publication number of 109752615A, which comprises the following steps: s1, acquiring the working quality data of all charging piles in the area; s2, calculating and analyzing the working quality data to obtain a conclusion; s3, judging whether the charging pile needs maintenance according to the conclusion, if so, issuing a service suspension instruction to the charging pile, issuing a maintenance task to a maintainer and executing the next step; if not, re-executing the step S1; s4, obtaining the maintenance task progress, and after confirming the completion of the maintenance task, re-executing the step S1. According to the technical scheme, the operation conditions of all charging piles in the area can be monitored in real time, the obtained working quality data are analyzed to obtain a conclusion, the conclusion is analyzed and compared to judge whether maintenance is needed or not and timely maintenance is adopted, the monitoring and maintenance integration is integrated, the service life quality of the working state and the main components of the charging piles is mastered constantly, feedback guidance is timely made, the loop is effectively closed, and the timeliness of maintenance is ensured.
However, under the condition that the terminal has power failure, the terminal loses the contact with the server side, and the server side cannot obtain terminal information; also, communication failures can cause the server to lose contact with the charging pile. If the recovery can not be carried out for a long time, people need to be sent to the field for maintenance, the expenditure of various resources and manpower is needed, but the simple power failure does not need to be sent to the field for maintenance. If the communication fault is caused by power failure, the situation that people are dispatched to run on the spot can be avoided.
Disclosure of Invention
The invention aims to provide a method for operating and maintaining a charging pile, which can enable a server to accurately acquire power failure information of a terminal.
In order to achieve the purpose, the invention provides a method for operating and maintaining a charging pile, wherein the charging pile is used for accessing commercial power, and the method comprises the following steps: the power supply monitoring circuit is used for sending a power supply pulse signal to a control unit in a charging pile, the control unit is communicated with a server through a communication module, and when the control unit cannot detect the power supply pulse signal sent by the power supply monitoring circuit, the power supply monitoring circuit determines the power supply pulse signal as a power stop signal; providing an energy storage device, wherein the energy storage device is charged by commercial power in a normal state; when the control unit receives the power failure signal, the control unit cuts off other working modules except the control unit and the communication module, the energy storage device supplies power to the control unit and the communication module by using the stored electric energy, and the control unit sends the power failure signal to the server through the communication module.
Alternatively or preferably, the control unit cuts off the power supply to the other operation modules except the control unit and the communication module by cutting off the power supply device.
Alternatively or preferably, the power cut-off device is a power control switch.
Optionally or preferably, the power control switch is a MOS transistor, a triode, or a solid state relay.
Alternatively or preferably, the energy storage device is a capacitor or a rechargeable battery.
Optionally or preferably, the power supply monitoring circuit includes an optical coupling element, a capacitor, a first resistor and a second resistor, the input end of the optical coupling element, the capacitor and the first resistor are connected in series to the utility power, the second resistor is connected between the power supply end of the optical coupling element and the output end of the optical coupling element, and the output end of the optical coupling element is connected to the input port of the control unit.
Optionally or preferably, the communication module uses 2G gprs, 3G, 4G, ethernet or wifi.
The technical scheme provided by the invention has the beneficial effects that:
by the scheme, whether communication interruption is caused by power failure or not can be distinguished, if the communication interruption is caused by power failure, the communication interruption is not necessary, and if the communication interruption is caused by power failure, people need to be sent for maintenance, so that unnecessary maintenance cost is reduced, and economic benefit is increased.
Drawings
Fig. 1 is a flowchart of a method for operation and maintenance of a charging pile according to an embodiment of the present invention;
fig. 2 is a schematic diagram of an energy storage device and a power supply monitoring circuit accessing a system in a method for maintaining operation of a charging pile according to an embodiment of the present invention;
fig. 3 is a schematic diagram of a power monitoring module in the method for maintaining operation of a charging pile according to the embodiment of the present invention;
fig. 4 is a schematic diagram of power control operations of the energy storage device and other modules in the method for operating and maintaining the charging pile according to the embodiment of the invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail with reference to the accompanying drawings. It is to be understood that the described embodiments are merely illustrative or exemplary in nature and are in no way intended to limit the invention, its application, or uses. In the following detailed description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. It will be apparent, however, to one skilled in the art that the present invention may be practiced without some or all of these specific details. The following description of the embodiments is merely intended to provide a better understanding of the present invention by presenting examples of the invention. The present invention is in no way limited to any specific configuration and algorithm set forth below, but rather covers any modification, replacement or improvement of elements, components or algorithms without departing from the spirit of the invention.
The present invention will be described in further detail with reference to specific examples, but the embodiments of the present invention are not limited thereto.
As shown in fig. 1 and fig. 2, this embodiment provides a method for operating and maintaining a charging pile, where the charging pile is used to access commercial power, and the method includes:
the utility model provides a power supply monitoring circuit, this power supply monitoring circuit is used for sending the power supply pulse signal to the control unit in filling electric pile, and the control unit passes through communication module and server communication, confirms to stop the signal of telecommunication when the control unit can not detect the power supply pulse signal that power supply monitoring circuit sent.
An energy storage device is provided, which is normally charged by mains electricity.
When the control unit receives the power failure signal, the control unit cuts off other working modules except the control unit and the communication module, the energy storage device supplies power to the control unit and the communication module by using the stored electric energy, and the control unit sends the power failure signal to the server through the communication module.
In summary, the control unit monitors the pulse signal sent by the power monitoring unit through the input port, and if the pulse does not exist, all other module power supplies except the control unit and the communication module are cut off, and a power failure message is sent to the central server.
In a preferred embodiment, the control unit shuts off the other operation modules except the control unit and the communication module by shutting off the power supply device. The power supply cut-off device can adopt a power supply control switch, and the power supply control switch can adopt an MOS tube, a triode or a solid-state relay.
As a specific implementation manner, an energy storage device may be added at the control unit and the communication module to supply the dc power, and the minimum maintenance time of the energy storage device is that the system can continue to work after power failure, until the power failure information can be reliably sent out. The energy storage device can adopt two methods of charging a battery and a capacitor, wherein the method of adopting the capacitor is simpler and more economical. As shown in fig. 4, when the
As a preferred implementation manner, the power supply monitoring circuit includes an optical coupling element, a capacitor, a first resistor and a second resistor, the input end of the optical coupling element, the capacitor and the first resistor are connected in series to the utility power, the second resistor is connected between the power supply end of the optical coupling element and the output end of the optical coupling element, and the output end of the optical coupling element is connected to the input port of the control unit. As shown in fig. 3, under the condition that the power supply is normally powered, ac 220V passes through C1, R1 is divided and then is applied to the input end of the optocoupler U1, the output end of the U1 generates a 50hz pulse signal (when the power is off, the voltage at the input end of the U1 is 0, the pulse disappears), the pulse signal is applied to the input port of the control unit, and the control unit can determine whether the power supply is normal by detecting the pulse signal.
As for the communication module, the scheme can adopt 2G gprs, 3G, 4G, Ethernet or wifi. The main functions of the intelligent charging pile are a channel for interaction between the charging pile and a central server, and the intelligent charging pile comprises control of the server, sending of maintenance instructions and the like to the charging pile, and sending of command feedback information and state information of the charging pile to the central server.
Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of "first," "second," and similar terms in the description and claims of this patent does not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. Also, the use of the terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one.
The above description is only exemplary embodiments of the present invention and should not be taken as limiting the invention, and any modifications, equivalents, improvements and the like that are within the spirit and principle of the present invention should be included in the scope of the present invention.
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