CN114295906A

CN114295906A - Portable charging pile operation and maintenance patrol instrument, intelligent client, operation and maintenance method and system

Info

Publication number: CN114295906A
Application number: CN202111373737.4A
Authority: CN
Inventors: 刘慧文; 周季; 郭立杰; 方向亮; 张明晖; 张涛; 刘宝文; 徐广腾; 关朝强; 陆园园; 韦廷真; 宫英凯; 韩金璐
Original assignee: Ponovo Power Co ltd; State Grid Electric Vehicle Service Co Ltd
Current assignee: Ponovo Power Co ltd; State Grid Electric Vehicle Service Co Ltd
Priority date: 2021-11-19
Filing date: 2021-11-19
Publication date: 2022-04-08

Abstract

The invention provides a portable charging pile operation and maintenance patrol instrument, an intelligent client, an operation and maintenance method and a system, wherein the portable charging pile operation and maintenance patrol instrument comprises the following components: the gun seat, the data transceiving unit, the core control panel and the load module are connected with each other; after the charging gun is inserted into the gun seat, the gun seat samples output parameters of the direct current charging pile or the alternating current charging pile through the data receiving and transmitting unit and then accesses the load module and the core control board; the core control board is in communication connection with an external intelligent client and is used for sending a connection signal to a charging pile where the charging gun is located and controlling the input of a load module; the charging pile state and output parameters are uploaded to the intelligent client, the testing instruction issued by the intelligent client is received, the on-site charging and testing requirements of the alternating current and direct current charging pile can be met, high reliability is achieved, and the working efficiency of detection personnel is greatly improved.

Description

Portable charging pile operation and maintenance patrol instrument, intelligent client, operation and maintenance method and system

Technical Field

The invention relates to a charging pile detection device, in particular to a portable charging pile operation and maintenance patrol instrument, an intelligent client, an operation and maintenance method and a system.

Background

At present, the policy system of the electric automobile industry is basically improved, the electric automobile industry enters an accelerated development stage, and further the construction of new energy automobile charging infrastructure is gradually improved. Therefore, the detection requirements for the charging pile are higher and higher in various places, the detection content and the detection quantity are increased in geometric multiple, and the detection task becomes heavier. Among many detection tasks, carrying out conventional operation and maintenance inspection on the already-put-in-operation charging pile becomes daily work content, and the detection task becomes heavier. Most of fill electric pile detecting system and place in detecting the laboratory generally, though multiple functional, superior performance, can't reach the scene and detect. The existing mobile detection platform is high in cost, more in detection items, long in time, low in working efficiency and capable of meeting the requirement of rapid detection on the costal inspection of the charging pile.

Disclosure of Invention

In order to solve the problems in the prior art, the invention provides a portable charging pile operation and maintenance patrol instrument, which comprises: the device comprises a gun seat, a data receiving and transmitting unit, a core control board and a load module; the data receiving and transmitting unit is respectively connected with the gun seat, the load module and the core control panel;

the gun seat is used for inserting a charging gun, and the output parameters of a charging pile where the charging gun is located are sampled by a data receiving and transmitting unit and then are accessed to a load module and a core control board;

the core control board is used for sending a connection signal to a charging pile where the charging gun is located and controlling the input of a load module; the charging pile is also used for outputting the charging pile state and the output parameters;

the gun stock includes: the charging gun seat comprises an alternating current charging gun seat and a direct current charging gun seat.

Preferably, the load module includes a plurality of switches and a plurality of resistors connected through the plurality of switches; the load module realizes different series-parallel connection modes for the plurality of resistors based on the on-off of each switch so as to obtain a plurality of groups of working voltages, currents and powers.

Preferably, the resistive load includes: an ac load resistor and a dc load resistor.

Preferably, the core control board is further in communication connection with the intelligent client, and is configured to receive the test instruction sent by the intelligent client, and execute a corresponding operation and maintenance operation based on the test instruction.

Preferably, the core control board comprises: a microcontroller;

the microcontroller is used for analyzing the test instruction to obtain a charging parameter and a simulation charging type; corresponding operation and maintenance operation is executed based on the charging parameters and the simulated charging type;

wherein the analog charging types include: simulating alternating current charging, simulating direct current charging, detecting a control voltage guidance limit value of a charging pile or simulating a charging fault;

when the simulation charging type is a simulation charging fault, the analyzed instruction further comprises a fault type.

Preferably, the microcontroller is further configured to determine a load according to the output parameter of the charging pile;

and the core control board of the inspection instrument controls the on-off of a switch in the load module of the inspection instrument based on the size of the load, determines the connection relation of resistors in the load module and further enables the load module to be put into the load.

Preferably, the patrol instrument further comprises: the device comprises a power supply unit, a power supply main switch, a battery pack, an external power supply interface, a direct current charging gun seat auxiliary power supply and an alternating current charging gun seat output power supply; the battery pack, the external power interface, the direct current charging gun seat auxiliary power supply and the alternating current charging gun seat output power supply are all connected with the power supply unit through the power main switch;

the fan is connected with the data receiving and transmitting unit;

the auxiliary power supply is connected with the core control panel and comprises: the A + and A-signals are controlled by a core control board.

Preferably, the data sampled by the data transceiver unit includes: the output parameters of the charging pile, the control guidance parameters, the auxiliary power supply parameters and the operation parameters of the polling instrument;

the operation parameters of the inspection tour instrument comprise one or more of the following data: load temperature, battery voltage, fan current;

the output parameters of the charging pile comprise one or more of the following parameters: a charging voltage, a charging current, and a control pilot signal.

Preferably, the patrol instrument further comprises a fault unit; the fault unit is connected with the core control panel; the data transceiver unit is used for monitoring the data sampled by the data transceiver unit and performing one or two of the following operations based on the monitoring result: alarming and sending a charging stopping signal to the charging pile through the core control board;

the alarm comprises one or more of the following faults: overvoltage, overcurrent, overpower, overtemperature, and fan failure.

Preferably, the patrol instrument further comprises a display module; the display module is connected with the core control panel and used for displaying the data output by the core control panel.

Preferably, the display module is configured to display one or more of the following information: the current working mode, the output parameter, the control guidance parameter, the charging state and the fault information of the charging pile.

Preferably, the display module comprises a touch screen;

the touch screen is also used for collecting charging pile error codes based on the human-computer interaction interface and displaying error information;

the core control board is further used for matching the error code with pre-stored error information to obtain error information corresponding to the error code.

Preferably, the patrol instrument further comprises: controlling a guide interface and an emergency stop knob; the control guide interface and the emergency stop knob are connected with the core control panel;

the control pilot interface is used for accessing one or more of the following signals: CC. CP, CC1, CC 2.

Preferably, the patrol and examine appearance still includes CAN communication message monitoring port, CAN communication message monitoring port is connected with direct current fills electric pile, is used for based on CAN communication message monitoring port with direct current fills electric pile and carries out the communication, and will CAN communication message sends.

Based on the same inventive concept, the invention also provides a portable charging pile operation and maintenance method, which comprises the following steps:

when a charging gun is inserted into a gun seat of the patrol instrument, sending a connection signal to a charging pile where the charging gun is located, and controlling a load module of the patrol instrument to be put into operation;

the method comprises the steps of collecting output parameters of a charging pile and state information of the charging pile in the operation and maintenance process, and outputting the output parameters and the state information.

Preferably, the executing operation and maintenance operation includes:

receiving a test instruction issued by an intelligent client;

and executing operation and maintenance operation on the charging pile according to the test instruction.

Preferably, the executing operation and maintenance operation on the charging pile according to the test instruction includes:

the core control board analyzes the test instruction to obtain a charging parameter and a charging type to be simulated;

performing corresponding operation and maintenance operations by controlling guide parameters based on the charging parameters and the charging type to be simulated;

when the simulation charging type is a simulation charging fault, the analyzed instruction further comprises a fault type;

the control guidance parameters include: CC. CP, CC1, and CC 2.

Preferably, the performing the corresponding operation and maintenance operation by controlling the guidance parameter based on the charging parameter and the charging type to be simulated includes:

when the charging type is analog alternating current charging, controlling the level change of the CP signal based on the charging parameter; and the CP signal is communicated with the charging pile to simulate the alternating current charging of the electric automobile.

when the charging type is analog direct current charging:

simulating the charging parameters of the electric automobile based on the charging parameters, and executing model direct-current charging;

the charging parameters include: current charging voltage, charging current and charging mode; wherein, the charging mode includes: constant voltage charging or constant current charging.

when the charging type is a simulated charging fault: controlling the guidance parameters of the charging pile based on the fault type, and simulating a charging fault;

the fault types include: an ac fault or a dc fault.

when the test instruction is to detect the control voltage guidance limit value of the charging pile,

a control pilot voltage is determined based on the control voltage pilot limit, and an analog charging operation is performed based on the control pilot voltage.

Preferably, the controlling the load module of the patrol instrument comprises:

the core control board of the patrol instrument determines the load size according to the charging pile data;

Preferably, the state information of the charging pile includes one or more of the following: charging pile type, operating voltage, operating current, operating mode, CP voltage, CP frequency, BMS voltage, CC1 voltage, and auxiliary power status;

the charging pile type comprises: direct current charging pile or alternating current charging pile.

Preferably, after the controlling the duty of the load module of the inspection instrument, the method further includes:

based on the touch screen display of the patrol instrument displays one or more of the following information of the charging pile: the current working mode, the output parameter, the control guide parameter and the charging state of the charging pile.

Preferably, after it is detected that the charging gun is inserted into the gun seat of the patrol instrument, the method further comprises the following steps:

monitoring each component of the inspection instrument, and giving a fault alarm based on a touch screen of the inspection instrument when a fault occurs;

the fault information comprises one or more of the following: overvoltage, overcurrent, overpower, overtemperature, and fan failure.

Preferably, after it is detected that the charging gun is inserted into the gun base of the patrol instrument, before sending a connection signal to the charging pile where the charging gun is located, the method further includes:

and starting the patrol inspection instrument.

Preferably, the operation and maintenance method further includes:

acquiring a charging pile error code by using a touch screen of the inspection tour instrument;

and matching the error code with pre-stored error information based on a core control board of the inspection instrument to obtain the error information corresponding to the error code, and displaying by using the touch screen.

Preferably, the acquiring the state of the charging pile or the acquired output parameters of the charging pile comprises:

and acquiring the state of the charging pile or the acquired output parameters of the charging pile based on a communication protocol supported by a CAN communication message monitoring port, and sending the CAN communication message.

Based on the same invention concept, the invention also provides a portable charging pile field detection intelligent client, wherein the intelligent client is in communication connection with the patrol instrument and comprises an intelligent APP and a human-computer interaction interface which are installed on the intelligent client;

the intelligent APP is used for receiving the charging pile state and the output parameters output by the patrol instrument; the system is also used for generating a test instruction based on the state of the charging pile and the operation and maintenance operation to be executed and sending the test instruction; the human-computer interaction interface is used for displaying the charging pile state and output parameters;

the portable charging pile operation and maintenance patrol instrument is provided by the invention.

Preferably, the human-computer interaction interface is further used for setting charging parameters and simulating charging types;

the intelligent APP is also used for: and generating a test instruction by using the charging parameters and the simulated charging type set by the human-computer interaction interface based on the current state of the charging pile uploaded by the inspection instrument and the operation and maintenance operation to be executed.

Preferably, the intelligent APP is further configured to receive a CAN communication message sent by the patrol instrument; and the output parameters of the charging pile are displayed in a waveform form.

Preferably, the smart client includes: smart phones or computer terminals.

Preferably, install in intelligent APP of computer terminal still includes: analyzing and monitoring the CAN communication message uploaded by the inspection instrument based on the communication protocol analysis; the monitoring includes whether the message can be received and whether the message meets the protocol standard.

acquiring and displaying the charging pile state and the output parameters sent by the patrol instrument;

and generating a test instruction based on the state of the charging pile and the operation and maintenance operation to be executed, and sending the test instruction.

Preferably, the generating a test instruction based on the charging pile state and the operation and maintenance operation to be executed includes:

setting charging parameters and simulating charging types by using a human-computer interaction interface based on the charging pile states uploaded by the inspection instrument and operation and maintenance operations to be executed;

and generating a test instruction based on the charging parameter and the simulation charging type.

Preferably, the charging pile output parameters include: charging voltage, charging current, control pilot voltage;

the output parameters are displayed in the form of waveforms.

Preferably, the smart client includes: smart phones or computer terminals.

Preferably, when the intelligent client is a computer terminal, the generating of the instruction based on the charging pile state uploaded by the patrol inspection instrument and the operation and maintenance operation to be executed further includes:

and setting parameters of a communication protocol and sending the parameters to the patrol instrument.

Preferably, when the intelligent client is a computer terminal, the charging pile data sent by the patrol instrument further includes:

analyzing and monitoring the message sent by the inspection instrument based on the communication protocol analysis; the monitoring includes whether the message can be received and whether the message meets the protocol standard.

Preferably, still include after obtaining the electric pile data that fills that the patrol instrument sent: and storing, exporting and replaying the output parameters and the messages of the charging pile.

Based on the same inventive concept, the invention also provides a portable charging pile operation and maintenance system, which comprises: the portable charging pile operation and maintenance patrol instrument and the portable charging pile field detection intelligent client are in communication connection; the portable charging pile operation and maintenance method is executed based on the patrol instrument; the portable charging pile operation and maintenance method is executed based on the intelligent client.

Compared with the prior art, the invention has the beneficial effects that:

the invention provides a portable charging pile operation and maintenance patrol instrument and an intelligent client, which comprise: the device comprises a gun seat, a data receiving and transmitting unit, a core control board and a load module; the data receiving and transmitting unit is respectively connected with the gun seat, the load module and the core control panel; the gun seat is used for inserting a charging gun, and the output parameters of a charging pile where the charging gun is located are sampled by a data receiving and transmitting unit and then are accessed to a load module and a core control board; the core control board is used for sending a connection signal to a charging pile where the charging gun is located and controlling the input of a load module; the charging pile is also used for outputting the charging pile state and the output parameters; the gun stock includes: alternating current charging gun seat or direct current charging gun seat can realize the on-the-spot charging and the test demand to alternating current-direct current stake of charging, possess the high reliability, have greatly promoted measurement personnel's work efficiency.

According to the portable charging pile operation and maintenance method and system, a stand-alone working mode and an online working mode are supported, the charging pile can be started without setting in the stand-alone working mode, and charging operation parameters can be checked on a patrol instrument screen; the online working mode of the invention can be connected with computer software or APP through a network (Ethernet or WIFI), thus realizing the functions of fault simulation, message monitoring, message analysis, waveform display, data analysis, automatic report generation and the like; the working mode of combining field operation, field monitoring or remote monitoring can be realized, the level of the equipment for automatically processing data is improved, and meanwhile, deep analysis on operation and maintenance results is supported.

Drawings

FIG. 1 is a block diagram of a portable charging pile field detection device of the present invention;

FIG. 2 is a block diagram of the portable charging pile operation and maintenance patrol instrument of the invention;

FIG. 3 is a schematic block diagram of the portable charging pile operation and maintenance patrol instrument of the present invention;

FIG. 4 is a diagram of a portable charging pile operation and maintenance method-inspection device according to the invention;

fig. 5 illustrates a portable charging pile operation and maintenance method-an intelligent client according to the present invention;

fig. 6 is a structural diagram of the portable charging pile operation and maintenance patrol instrument.

Detailed Description

The current charging pile detection system (device) is large in size, does not have field testing capability, or is high in manufacturing cost, complex to operate, long in time and low in working efficiency. For example, patent with publication number CN111122997A proposes a portable charging pile detection device with high versatility, which can only simply simulate the connection state of a gun head and the charging state of an electric vehicle to detect partial electrical performance of an ac/dc charging pile, although the detection of the ac/dc charging pile can be achieved, so that the detection mode is single, the detection items are few, real data such as real voltage, current and communication messages in the charging process cannot be obtained, and data analysis cannot be performed. The patent with application number 202110227687.2 provides a mobile AC/DC charging pile detection device and method, although the name of the patent contains 'mobile', the detection function is realized by a series of equipment instead of an instrument, so the device is suitable for laboratory environment, the floor area of testing equipment in general laboratory environment is very large, and the weight can reach hundreds of kilograms or even more than one ton. The invention provides a portable small instrument with the weight of about 8 kg. If 'a fill electric pile detection device and system' of application number 202022168956.6 again, this patent is only when filling electric pile and electric automobile and charge and puts into this device series connection, carries out the charge parameter control, does not possess the test function.

Therefore, aiming at the defects of the prior art, the invention provides a portable charging pile operation and maintenance system, which adopts an alternating current-direct current integrated design as shown in fig. 1 and comprises an alternating current-direct current charging pile operation and maintenance patrol instrument and an intelligent client, wherein the intelligent client can be a patrol instrument mobile phone APP and patrol instrument computer software. The invention adopts an alternating current-direct current integrated design, is provided with an intelligent client, is provided with a load module, comprises an alternating current load and a direct current load, has a single-machine working mode and an online working mode, and can simultaneously meet the charging and testing requirements of an alternating current-direct current charging pile.

The built-in load power unit of the inspection instrument comprises an alternating current load and a direct current load, has a single-machine working mode and an online working mode, and can be compatible with the charging and testing requirements of an alternating current-direct current charging pile. Under the unit mode of operation, need not to set up and to start charging pile to can look over the operation parameter that charges at the inspection appearance screen. Under the on-line working mode, the system can be connected with computer software or APP through a network (Ethernet or WIFI), and the functions of fault simulation, message monitoring, message analysis, waveform display, data analysis, automatic report generation and the like are realized.

For a better understanding of the present invention, reference is made to the following description taken in conjunction with the accompanying drawings and examples.

Example 1:

the invention provides a portable charging pile operation and maintenance patrol instrument, which comprises the following components as shown in figure 2: the device comprises a gun seat, a data acquisition and transmission unit (data transceiving unit for short), a core control panel and a load module; the data receiving and transmitting unit is respectively connected with the gun seat, the load module and the core control panel;

The inspection instrument has a single-machine working mode and an online working mode; during the unit mode, need not set up the parameter during the use, can directly insert the rifle head that fills electric pile and patrol the rifle seat that charges of examining the appearance, fill electric pile interaction with the alternating current-direct current, charge to show charging parameter and charged state on patrolling and examining the appearance LCD screen. When the online work is carried out, the inspection instrument is connected with the mobile phone APP, so that the charging state display, partial function parameter setting and fault simulation can be carried out, and meanwhile, charging data and charging messages can be led out; the polling instrument is connected with computer software and can perform all functions of charging state display, all function parameter setting, fault simulation, charging data and message import and export, charging waveform drawing, charging message analysis, error message marking and the like. The portable AC/DC charging pile field detection device can observe and monitor real data and waveforms of voltage, current, communication messages and the like in the charging process at an intelligent client, and performs data analysis to form a complete test report.

Alternating current and direct current charging interfaces of the alternating current and direct current charging pile field detection device are arranged on a front panel, positions are trampled when inserting and pulling guns are reserved on the front side, and rubber is used for protection. The patrol instrument is provided with a portable handle, and is convenient to carry. When in use, the front face of the inspection instrument is placed upwards, and rubber protection is arranged at 8 corners of the inspection instrument. The double-shoulder computer bag is used for storing the patrol instrument, and is convenient to carry on site.

The invention relates to a portable AC/DC charging pile field detection device, which comprises an AC/DC charging pile operation and maintenance inspection instrument, an inspection instrument mobile phone APP and inspection instrument computer software, wherein the relationship of the three parts is shown in figure 1. The alternating current-direct current charging pile operation and maintenance patrol and examine the appearance and patrol and examine appearance cell-phone APP and patrol and examine appearance computer software and use WIFI to be connected, use TCP/IP agreement communication.

The functional block diagram of the operation and maintenance polling instrument for the alternating current and direct current charging pile is shown in fig. 3. The operation and maintenance patrol instrument for the alternating-current and direct-current charging pile comprises an alternating-current charging gun seat, a direct-current charging gun seat, a switch control unit, a load module, a core control panel, a power supply unit, a battery pack, an adapter, a data receiving and sending unit, a fault unit (in the embodiment, a fault alarm and protection unit) and the like. The alternating current charging gun seat comprises L1 and N signals and is used for connecting an alternating current charging pile to be tested; the direct current charging gun seat comprises a DC + signal and a DC-signal and is used for connecting a direct current charging pile to be tested; the load module is internally provided with a resistance load, the resistance load is composed of a plurality of resistors, and the switch control unit comprises a plurality of switches; different series-parallel connection modes are realized for the resistors based on the on-off of each switch, so that multiple groups of working voltages, currents and powers are obtained, for example, an alternating current load 690W is obtained, the direct current load is divided into two gears of 500V and 1000V, and the maximum power 3570W is obtained; the adapter introduces alternating current 220V voltage through the alternating current gun seat, and provides 12V/8A signals to the outside through internal conversion; the battery pack is internally provided with a 12V/3.2Ah lithium battery and is used for starting the patrol instrument before charging and establishing connection with computer software or APP.

Further, the appearance is patrolled and examined in maintenance of electric pile operation of alternating current-direct current of this embodiment still includes: and the data transmission unit is respectively connected with the core control panel and the intelligent client and is used for realizing data interaction between the data transmission unit and the core control panel.

Further, the appearance is patrolled and examined in maintenance of electric pile operation of alternating current-direct current of this embodiment still includes: auxiliary power supply, control guidance interface. The auxiliary power supply comprises A + and A-signals, and the on-off of the relay can be controlled through the core control panel to provide 12V/24V signals; the control pilot interface includes CC, CP, CC1, CC2 signals.

Further, the appearance is patrolled and examined in maintenance of electric pile operation of alternating current-direct current of this embodiment still includes: a contactor, a fan, a touch screen, an emergency stop knob, a switch and the like.

The appearance adopts and fills the electric pile power supply to patrol and examine after filling electric pile and starting, gives built-in lithium cell charging simultaneously, patrols and examines the appearance in addition and supports external 220V commercial power to patrol and examine appearance and built-in lithium cell power supply. When the direct current charging pile for the inspection instrument supplies power, the direct current charging pile auxiliary power supply is adopted for supplying power. The data transceiver unit is internally provided with 10 AD sampling channels, and the maximum sampling rate of 10kbps is supported. The sampling data includes: charging pile output parameters, control guide parameters, auxiliary power supply parameters and internal operation parameters (such as load temperature, lithium battery voltage and fan current) of the patrol instrument. The touch screen is a 2.8-inch color touch screen, and can display information such as a current working mode, output parameters, control guide parameters, a charging state and the like in real time; the emergency stop knob is used for safety protection in emergency, so that the safety of equipment and personnel can be effectively guaranteed; the switch is a main power switch of the patrol instrument; the core control panel adopts ARM STM32F407 digital microcontroller, possesses and supports 1 way ethernet, 1 way WIFI or bluetooth, 3 way CAN communication interface, uploads computer software or APP in real time with the data that the appearance was gathered to patrolling. The fault warning and protecting unit has the functions of warning and protecting overvoltage, overcurrent, overpower, overtemperature, fan fault and the like, and fault warning information can be displayed on a liquid crystal screen of the inspection instrument, so that safe and reliable operation of equipment is ensured.

Patrol and examine appearance cell-phone APP, support promptly and "e patrol and examine" APP's interconnection, "patrol and examine" cell-phone end at "e and can set up the operational parameter who patrols and examine the appearance, various running state in the simulation charges to reach" e and patrol and examine "APP on the test data and the fortune dimension result of fortune dimension that will charge.

Patrol appearance computer software, can realize promptly patrolling and examining all functions of appearance and computer software interconnection promptly and can realize data storage, look over and derive, functions such as playback function, real-time waveform display, direct current charging parameter setting/default parameter, direct current fill inside message monitoring of electric pile, direct current charging message monitoring can also be realized.

The AC/DC charging pile operation and maintenance patrol instrument mainly comprises a power supply unit, a data acquisition and transmission unit, a load module, a core control panel and a fault warning and protecting unit, and is shown in figure 2. The AC charging gun seat and the DC charging gun seat can provide input power for the power supply unit. The data acquisition and transmission unit acquires voltage, current and guide signals from the alternating current charging gun and the direct current charging gun. After passing through the data acquisition and transmission unit, the power flows through the load module. The data of the data acquisition and transmission unit is transmitted to the core control panel in a bus mode. The core control panel carries out control and data analysis and transmits the alarm information to the fault alarm and protection unit.

A load module: the inspection instrument is internally provided with a resistance load, the series-load parallel connection mode can be changed through a switch, the alternating current load is 690W, the direct current load is divided into two gears of 500V and 1000V, and the maximum power is 3570W. The load power and current at different operating voltages are shown in the table below.

Voltage (V)	Current (A)	Power (W)	Mode of operation
				200	2.8	571	In parallel
220	3.1	691	In parallel
				500	7	3570	In parallel
520	1.8	965	In series connection
				750	2.6	2008	In series connection
1000	3.5	3570	In series connection

A power supply unit: and the lithium battery arranged in the patrol instrument is used for starting the patrol instrument before charging and establishing connection with computer software or APP. The appearance adopts and fills the electric pile power supply to patrol and examine after filling electric pile and starting, gives built-in lithium cell charging simultaneously, patrols and examines the appearance in addition and supports external 220V commercial power to patrol and examine appearance and built-in lithium cell power supply. When the direct current charging pile for the inspection instrument supplies power, the direct current charging pile auxiliary power supply is adopted for supplying power.

Data acquisition and transmission unit: 10 AD sampling channels are built in, and the maximum sampling rate of 10kbps is supported. The sampling data includes: charging pile output parameters, control guide parameters, auxiliary power supply parameters and internal operation parameters (such as load temperature, lithium battery voltage and fan current) of the patrol instrument.

A core control panel: adopt ARM STM32F407 digital microcontroller, possess and support 1 way ethernet, 1 way WIFI or bluetooth, 3 way CAN communication interface, upload computer software or APP in real time with the data that the appearance was gathered of patrolling and examining.

Fault warning and protection unit: the patrol instrument has the functions of alarming and protecting overvoltage, overcurrent, overpower, overtemperature, fan fault and the like, and fault alarming information can be displayed on a liquid crystal screen of the patrol instrument, so that the safe and reliable operation of equipment is ensured.

Example 2

Based on the same invention concept, the portable charging pile field detection intelligent client is in communication connection with a patrol instrument and comprises an intelligent APP installed on the intelligent client;

the intelligent APP is used for receiving and displaying the charging pile state and the output parameters provided by the patrol instrument; the system is also used for generating an instruction based on the state of the charging pile and the operation and maintenance operation to be executed and sending the test instruction to the patrol instrument;

the inspection instrument is the portable AC/DC charging pile operation and maintenance inspection instrument provided by the invention.

Furthermore, the intelligent client also comprises a human-computer interaction interface;

the human-computer interaction interface is used for: displaying the state of the charging pile, the output parameters of the charging pile and the operation data of the patrol instrument; the charging device is also used for setting charging parameters and simulating the charging type;

and the output parameters of the charging pile are displayed in a waveform form.

Further, the intelligent APP is specifically configured to:

and generating an instruction by using the charging parameters and the simulated charging type set by the human-computer interaction interface based on the current state of the charging pile uploaded by the inspection instrument and the operation and maintenance operation to be executed.

Further, the smart client includes: smart phones or computer terminals.

Further, install in intelligent APP of computer terminal still includes: analyzing and monitoring the message uploaded by the inspection instrument based on communication protocol analysis; the monitoring includes whether the message can be received and whether the message meets the protocol standard.

Example 3

The invention provides a portable charging pile operation and maintenance method based on a patrol instrument, which comprises the following steps of:

s1-1, when the charging gun is inserted into the gun seat of the patrol instrument, sending a connection signal to the charging pile where the charging gun is located, and controlling the load module of the patrol instrument to be put into operation;

s1-2, acquiring output parameters of the charging pile and state information of the charging pile in the operation and maintenance process, and outputting the output parameters and the state information.

The charging pile operation and maintenance method provided by the invention has the functions of a single machine working mode and a working mode of interconnection with an intelligent client.

The invention also provides a portable charging pile operation and maintenance method based on the intelligent client, as shown in fig. 5, comprising the following steps:

s2-1, acquiring the charging pile state and the output parameters sent by the patrol instrument, and displaying the charging pile state and the output parameters;

and S2-2, generating a test instruction based on the charging pile state and the operation and maintenance operation to be executed, and sending the test instruction.

The portable charging pile operation and maintenance method provided by the invention has two working modes: and the working mode of the single machine of the inspection instrument and the working mode of the interconnection of the inspection instrument and the intelligent client.

1. The specific process of the single machine working mode is as follows:

1) the charging interaction function is as follows: the rifle that charges with direct current charging stake or alternating current charging stake disect insertion patrols the rifle seat of examining the appearance, starts to fill electric pile, patrols and examines the appearance and can automatic operation and input load.

When the alternating current charging is simulated, the level change of the CP signal is realized by controlling a switch S2 of the polling instrument; the CP signal is communicated with the charging pile to simulate the alternating current charging of the electric automobile;

when simulating direct current charging:

2) And (3) displaying charging parameters: the patrol inspection instrument is provided with a 2.8-inch color touch screen, and can display information such as a current working mode, output parameters, control guide parameters, a charging state and the like in real time.

The current state of the charging pile comprises one or more of the following states: charging pile type, operating voltage, operating current, operating mode, CP voltage, CP frequency, BMS voltage, CC1 voltage, and auxiliary power status;

3) TCU fills electric pile fault code and resolves: when charging pile breaks down, will fill the fault code input of electric pile screen display and patrol the touch-sensitive screen that goes out of examining the appearance, can resolve the fault reason that the fault code represented.

2. The specific process of the working mode of interconnecting the patrol instrument and the intelligent client is as follows:

acquiring the state of the charging pile and uploading the state to an intelligent client;

and executing operation and maintenance operation based on the instruction issued by the intelligent client, collecting output parameters of the charging pile in the operation and maintenance operation executing process, and uploading the output parameters to the intelligent client.

The invention and the intelligent client side interconnection mode comprises: the method comprises a mode of interconnecting with a mobile phone APP and a mode of interconnecting with computer software.

When the portable AC/DC charging pile field detection device adopts a mobile phone APP interconnection mode, the portable AC/DC charging pile field detection device has the following functions after an online working mode: can realize all functions of unit mode after patrolling and examining appearance and APP software interconnection, can also realize following function in addition:

1) alternating current ordered charging: a switch S2 of the inspection instrument adopts an MOS tube, the level change of a CP signal is realized by switching the MOS tube, the CP signal is used for supporting the communication of the alternating current ordered charging pile, and the information of simulated vehicle VIN, SOC, battery capacity and the like is uploaded to the alternating current ordered management platform through the charging pile. This function can be turned on/off by the APP software.

2) Direct current is filled promptly when inserting: before the charging begins, the patrol inspection instrument can communicate with a direct-current charging pile supporting plug-and-play, the vehicle VIN information simulated by the patrol inspection instrument is uploaded to a charging management platform through the charging pile, and after the VIN supporting plug-and-play function of charging is inquired by the charging management platform, the charging is directly started by operation of swiping a card or scanning a code during charging. This function can be turned on/off in software by the APP software.

3) When the charging protocol is updated, the charging protocol before and after updating can be supported, for example, the patrol inspection instrument is compatible with the 2011 version and 2015 version of GB/T27930, so that the charging standard of the charging pile under both protocols can be met at the same time.

4) And (3) controlling pilot voltage limit detection: the patrol inspection instrument can simulate different control guide voltages and detect the control voltage guide limit value of the charging pile.

5) And (3) direct current charging output control: the patrol instrument APP can modify the current charging voltage, the charging current, the charging mode (constant voltage charging, constant current charging) and other direct current charging parameters, and the current charging parameters are displayed on the APP.

6) And (3) fault state testing: the alternating current fault state that the patrol instrument can simulate comprises the following steps: CP pin breakage, CP grounding test and switch S2 disconnection; the dc fault conditions include: insulation fault, communication interruption, disconnection of a charging interface, abnormal voltage of a single storage battery, abnormal SOC of a power storage battery of the whole vehicle, abnormal charging current of the power storage battery, abnormal temperature of the power storage battery, abnormal insulation state of the power storage battery, abnormal connection state of an output connector of the power storage battery and over-temperature fault of the output connector.

When the portable charging pile field detection device adopts a mode of being interconnected with computer software, the portable charging pile field detection device has the following functions after being in an online working mode: can realize all functions interconnected with APP after patrolling and examining appearance and computer software interconnection, can also realize following function in addition:

1) real-time waveform display and viewing: the computer software can receive real-time transmission data of the patrol inspection instrument and display charging waveforms such as charging voltage, charging current, control guide voltage and the like in real time, and the charging waveform display supports the functions of starting and stopping, zooming, cursors and the like.

2) Monitoring a direct current charging message: interactive messages in the GB/T27930 communication protocol can be displayed in real time, real-time analysis is carried out, charging messages and analysis results can be exported, and exported data are in txt/excel and other formats.

3) Data storage and export, playback function: and the computer software stores charging waveform data such as charging voltage, charging current, control guide voltage and the like and charging message data uploaded by the inspection instrument at regular time and supports export in a file form. Meanwhile, the computer software supports importing of files exported by the software, the imported charging waveform data can be used for redrawing the charging waveform, and functions of local zooming, cursor indexing and the like are supported; the imported charging message can be analyzed, whether the message meets the charging standard or not is judged, and the judgment result is displayed.

4) Dc charging parameter setting/default parameters: any parameter of the BMS message in the GB/T27930 communication protocol can be modified, the current parameter is displayed in software, the parameter is issued to the polling instrument in real time, the polling instrument takes effect immediately after receiving the parameter, and the communication with the charging pile is carried out according to the issued parameter when the charging pile is tested.

5) Monitoring messages inside the direct current charging pile: after a CAN communication message monitoring port of the patrol inspection instrument is connected with an internal communication line of the direct-current charging pile, the patrol inspection instrument CAN upload a monitoring communication message to computer software in real time, the computer software CAN analyze and display the state of an internal communication parameter in real time, and the charging message and an analysis result support a exporting function. When the inspection instrument can not monitor the message, prompting and wiring inspection suggestions are carried out in computer software.

Example 4

In this embodiment, a specific example is introduced to the portable ac/dc charging pile operation and maintenance patrol instrument provided by the present invention, and technical parameters of the portable ac/dc charging pile field detection apparatus related to the present invention are as follows:

As shown in fig. 6, the patrol instrument provided by the present invention comprises the following structure:

the front side is provided with a charging socket, a touch screen, an indicator light, an operation key and the like. 15V charge interface, 3 CAN interfaces, ethernet interface, ground terminal are placed on the survey board.

Product size: 360mm X225 mm X129 mm (length X width X height)

The weight of the product is as follows: about 7.4kg

The various signals are illustrated in the present example as follows

Signal	Description of the invention
		CP	AC charging connection confirmation (charging pile whether connected to electric automobile)
CC	AC charging connection confirmation (electric car is connected to charging pile)
		S-	Direct current charging communication CAN _ L, communication line connecting non-vehicle charger and electric automobile
S+	Direct current charging communication CAN _ H, communication line connecting non-vehicle charger and electric automobile
		CC1	DC charging connection confirmation (charging pile whether connected to electric automobile)
CC2	DC charging connection confirmation (electric car is connected to charging pile)
		A⁺	DC charging gun seat auxiliary power supply
A^-	DC charging gun seat auxiliary power supply
		PE	Direct current protection grounding, connection power supply equipment ground wire and vehicle ground wire

It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. 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.

As will be appreciated by one skilled in the art, embodiments of the present invention may be provided as a method, system, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.

The present invention is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.

These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.

These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.

The present invention is not limited to the above embodiments, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention are included in the scope of the claims of the present invention which are filed as the application.

Claims

1. The utility model provides a portable electric pile operation and maintenance patrol and examine appearance which characterized in that includes: the device comprises a gun seat, a data receiving and transmitting unit, a core control board and a load module; the data receiving and transmitting unit is respectively connected with the gun seat, the load module and the core control panel;

2. The circuit inspector of claim 1, wherein the load module comprises a plurality of switches and a plurality of resistors connected through the plurality of switches; the load module realizes different series-parallel connection modes for the plurality of resistors based on the on-off of each switch so as to obtain a plurality of groups of working voltages, currents and powers.

Preferably, the core control board comprises: a microcontroller;

3. The circuit inspector of claim 2, wherein the microcontroller is further configured to determine a load magnitude from the output parameter of the charging post;

4. The patrol instrument according to claim 1, further comprising: the device comprises a power supply unit, a power supply main switch, a battery pack, an external power supply interface, a direct current charging gun seat auxiliary power supply and an alternating current charging gun seat output power supply; the battery pack, the external power interface, the direct current charging gun seat auxiliary power supply and the alternating current charging gun seat output power supply are all connected with the power supply unit through the power main switch;

the fan is connected with the data receiving and transmitting unit;

5. The data patrol instrument according to claim 1, wherein the data sampled by the data transmitting and receiving unit includes: the output parameters of the charging pile, the control guidance parameters, the auxiliary power supply parameters and the operation parameters of the polling instrument;

6. The patrol instrument according to claim 5, further comprising a failure unit; the fault unit is connected with the core control panel; the data transceiver unit is used for monitoring the data sampled by the data transceiver unit and performing one or two of the following operations based on the monitoring result: alarming and sending a charging stopping signal to the charging pile through the core control board;

7. The patrol instrument according to claim 1, further comprising a display module; the display module is connected with the core control panel and used for displaying the data output by the core control panel.

8. The data logger of claim 7 wherein the display module is adapted to display one or more of the following: the current working mode, the output parameter, the control guidance parameter, the charging state and the fault information of the charging pile.

9. The data patrol instrument of claim 7, wherein the display module comprises a touch screen;

10. The patrol instrument according to claim 1, further comprising: controlling a guide interface and an emergency stop knob; the control guide interface and the emergency stop knob are connected with the core control panel;

11. The inspection instrument according to claim 4, further comprising a CAN communication message monitoring port, wherein the CAN communication message monitoring port is connected to the DC charging pile, and is configured to communicate with the DC charging pile based on the CAN communication message monitoring port and send the CAN communication message.

12. A portable charging pile operation and maintenance method is characterized by comprising the following steps:

13. The operation and maintenance method of claim 12, wherein said performing operation and maintenance operations comprises:

receiving a test instruction issued by an intelligent client;

the control guidance parameters include: CC. CP, CC1, and CC 2.

when the charging type is analog direct current charging:

the fault types include: an ac fault or a dc fault.

Preferably, the controlling the load module of the patrol instrument comprises:

and starting the patrol inspection instrument.

Preferably, the operation and maintenance method further includes:

14. A portable charging pile field detection intelligent client is characterized in that the intelligent client is in communication connection with a patrol instrument and comprises an intelligent APP and a human-computer interaction interface, wherein the intelligent APP and the human-computer interaction interface are installed on the intelligent client;

wherein the patrol instrument is the patrol instrument according to any one of claims 1 to 11.

15. The smart client of claim 14,

the human-computer interaction interface is also used for setting charging parameters and simulating charging types;

Preferably, the smart client includes: smart phones or computer terminals.

16. A portable charging pile operation and maintenance method is characterized by comprising the following steps:

17. The operation and maintenance method according to claim 16, wherein the generating a test instruction based on the charging pile status and the operation and maintenance operation to be performed comprises:

Preferably, the first and second liquid crystal materials are,

fill electric pile output parameter and include: charging voltage, charging current, control pilot voltage;

the output parameters are displayed in the form of waveforms.

Preferably, the smart client includes: smart phones or computer terminals.

Preferably, when the intelligent client is a computer terminal, the method further includes the following steps after the charging pile state and the output parameter are sent by the patrol instrument:

Preferably, still include after obtaining the electric pile state and the output parameter that patrol and examine the appearance and send: and storing, exporting and replaying the output parameters and the messages of the charging pile.

18. An operation and maintenance system of a portable charging pile, characterized in that the system comprises a patrol instrument according to any one of claims 1 to 11 and a smart client according to claim 14 or 15, wherein the patrol instrument is in communication connection with the smart client, the patrol instrument performs the operation and maintenance method according to claim 12 or 13, and the smart client performs the operation and maintenance method according to claim 16 or 17.