CN109444566B - Electric automobile charging facility detection equipment and method - Google Patents
Electric automobile charging facility detection equipment and method Download PDFInfo
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- CN109444566B CN109444566B CN201811020160.7A CN201811020160A CN109444566B CN 109444566 B CN109444566 B CN 109444566B CN 201811020160 A CN201811020160 A CN 201811020160A CN 109444566 B CN109444566 B CN 109444566B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
Abstract
The invention provides an electric automobile charging facility detection device and method, wherein the device comprises the following components: a portable electric vehicle charging facility tester and a portable electronic load; the portable electronic load is connected to the tested electric vehicle charging facility through the portable electric vehicle charging facility tester; the portable electronic load is used for simulating the electric automobile; the portable electric automobile charging facility tester is used for carrying out charging facility test of preset projects on the tested electric automobile charging facility by using the simulated electric automobile. The equipment and the method provided by the invention can complete all projects of electric performance test, interoperability test, protocol consistency test and electric energy metering verification test of the electric automobile charging facility, improve the automation level of the charging facility detection equipment and the working efficiency of detection personnel, and truly meet and realize the operation requirements of light, convenient and efficient field detection.
Description
Technical Field
The invention belongs to the technical field of power electronics, and particularly relates to electric automobile charging facility detection equipment and method.
Background
Along with the popularization of the current environmental protection concept, new energy electric vehicles are gradually popularized, the number of matched infrastructure charging facilities is also rapidly increased, but a plurality of charging compatibility and poor safety problems are still highlighted in the process, and higher requirements are put forward on strict detection quality. The operation maintenance before the operation of the electric automobile charging station and after the operation need to carry out regular maintenance and diagnosis test on the charging facilities in the station and other matched power supply facilities, which brings more urgent demands for improving the automation level of the detection equipment and the working efficiency of the detection personnel.
In addition, the existing charging facility detection equipment has single function, can only perform manual testing on site, has complex reporting flow and lower working efficiency, cannot cope with network access detection and operation maintenance tasks of a large number of charging facilities, has only compatibility or communication consistency testing function, and cannot perform full-performance testing.
Most of the test devices or systems in the prior art mainly adopt laboratory detection as main materials, are suitable for type test detection tasks, have huge construction investment, generally only select the scheme by a professional third party detection mechanism, and externally accept detection business; at present, more field portable detection devices are gradually emerging on the market, but all the devices need to be carried with instruments such as a power analyzer and an oscilloscope at the same time to collect test data, the repeated wiring workload is large, the burden of field detection personnel is still heavy, and the purposes of portability and rapidness of the field detection work are not achieved.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides the equipment and the method for detecting the charging facility of the electric automobile, which can greatly improve the equipment level of a detection mechanism, an operator and operation and maintenance service personnel, improve the fault diagnosis processing and acceptance efficiency of the charging facility of the electric automobile, ensure the safety and compatibility of the charging facility and improve the charging service level of the operator.
The solution adopted for achieving the purpose is as follows:
in an electric vehicle charging facility detection apparatus, the improvement is that: comprising the following steps: a portable electric vehicle charging facility tester and a portable electronic load;
the portable electronic load is connected to the tested electric vehicle charging facility through the portable electric vehicle charging facility tester;
the portable electronic load is used for simulating an electric automobile;
the portable electric vehicle charging facility tester is used for carrying out charging facility testing of preset items on the tested electric vehicle charging facility by using the simulated electric vehicle;
the charging facility test of the preset item comprises the following steps: electrical performance testing, interoperability testing, protocol conformance testing, and electrical energy metering verification testing.
The first preferred technical scheme provided by the invention is improved in that the portable electric automobile charging facility tester comprises: the system comprises a control module, a system simulation module and a test interface;
the test interface is respectively connected with the tested electric vehicle charging facility and the portable electric vehicle charging facility tester and is used for realizing data communication between the portable electric vehicle charging facility tester, the tested electric vehicle charging facility and the portable electronic load;
the system simulation module is connected with the test interface and used for simulating and controlling the change of the pilot resistance, the signal grounding/breaking fault and the switching on-off logic, and carrying out the charging facility test of a preset item in cooperation with the portable electronic load;
the control module is connected with the system simulation module and used for controlling the system simulation module to perform configuration, controlling and managing normal and fault working flows of the electric vehicle charging facility detection equipment, and performing charging facility detection of a preset item by combining the portable electronic load.
The second preferred technical scheme provided by the invention is improved in that the system simulation module comprises a direct current simulation circuit and an alternating current simulation circuit, and the direct current simulation circuit and the alternating current simulation circuit are respectively connected between the control module and the test interface;
When the tested electric automobile charging facility is a direct current charger, the tested electric automobile charging facility is connected to the control module sequentially through the test interface and a direct current analog circuit, and the direct current analog circuit is used for simulating the change of a guide resistance, the signal grounding/breaking fault and the switching on-off logic in the charging process of the direct current charger, and carrying out the charging facility test of a preset item in cooperation with the portable electronic load;
when the tested electric automobile charging facility is an alternating current charging pile, the test interface and the alternating current simulation circuit are connected to the control module in sequence, and the alternating current simulation circuit is used for simulating the change of the guide resistance, the signal grounding/breaking fault and the switch switching logic in the charging process of the alternating current charging pile, and is matched with the portable electronic load to perform the charging facility test of a preset item.
The third preferred technical scheme provided by the invention is improved in that the portable electric vehicle charging facility tester further comprises a built-in load module;
the built-in load module is connected with the system simulation module and used for calibrating the voltage and the current measured by the portable electric vehicle charging facility tester.
The fourth preferred technical scheme provided by the invention is improved in that the built-in load module comprises a direct-current electronic load and an alternating-current electronic load;
the direct-current electronic load is connected with the direct-current analog circuit and is used for calibrating the voltage and the current measured by the portable electric vehicle charging facility tester when the electric vehicle charging facility to be tested is a direct-current charger;
the alternating current electronic load is connected with the alternating current analog circuit and is used for calibrating the voltage and the current measured by the portable electric vehicle charging facility tester when the tested electric vehicle charging facility is an alternating current charging pile.
The fifth preferred technical scheme provided by the invention is improved in that the portable electric vehicle charging facility tester further comprises a data acquisition module;
the data acquisition module is connected between the control module and the system simulation module and is used for acquiring electric signals of the electric automobile charging facility to be tested.
The sixth preferred technical scheme provided by the invention is characterized in that the portable electric vehicle charging facility tester further comprises a signal gating module;
The signal gating module is connected between the control module and the data acquisition module and is used for controlling and managing electric and communication signals of the electric automobile charging facility detection equipment.
The seventh preferred technical scheme provided by the invention is improved in that the test interface comprises an electronic load interface and a charging facility interface;
the electronic load interface is connected with the portable electronic load and is used for realizing data interaction with the portable electronic load;
the charging facility interface is connected with the charging facility of the tested electric automobile and is used for realizing data interaction with the charging facility of the tested electric automobile.
The eighth preferred technical scheme provided by the invention is characterized in that the portable electronic load comprises an alternating current load and a direct current load;
the alternating current load is connected to the test interface and used for simulating an alternating current electric automobile;
the direct current load is connected to the test interface and used for simulating a direct current electric automobile.
The ninth preferred technical scheme provided by the invention is characterized in that the portable electric automobile charging facility tester further comprises an industrial personal computer;
the industrial personal computer is connected with the control module and used for installing and running test software, controlling a test flow and generating a test report.
The tenth preferred technical scheme provided by the invention is improved in that the portable electric automobile charging facility tester further comprises a power supply module;
the power module is connected between an external power supply and the industrial personal computer and is used for supplying power to the electric automobile charging facility detection equipment.
The eleventh preferred technical scheme provided by the invention is improved in that the invention further comprises a client;
the client is connected to the portable electric vehicle charging facility tester and is used for realizing interaction with the portable electric vehicle charging facility tester, configuration of parameters of a tested charging facility, configuration of test items and execution of a test flow.
The twelfth preferred technical scheme provided by the invention is characterized in that the portable electric automobile charging facility tester further comprises a communication module;
the communication module is connected with the control module and used for providing a communication loop connected to an external cloud platform and the client for the portable electric vehicle charging facility tester.
According to the thirteenth preferred technical scheme, the portable electric vehicle charging facility tester and the portable electronic load are arranged in the portable case.
In the method, a portable electronic load and a tested electric vehicle charging facility are connected to a portable electric vehicle charging facility tester;
simulating an electric automobile by utilizing a portable electronic load;
adopting a portable electric vehicle charging facility tester, and carrying out charging facility testing of preset items on the tested electric vehicle charging facility by using the simulated electric vehicle;
the charging facility test of the preset item comprises the following steps: electrical performance testing, interoperability testing, protocol conformance testing, and electrical energy metering verification testing.
The fourteenth preferred technical solution provided by the present invention is improved in that the charging facility test for performing a preset item on the tested electric vehicle charging facility by using the simulated electric vehicle, including:
the system simulation module of the portable electric vehicle charging facility tester is configured by utilizing the control module of the portable electric vehicle charging facility tester, the normal and fault work flow of the electric vehicle charging facility detection equipment is controlled by utilizing the control module, the system simulation module of the portable electric vehicle charging facility tester is adopted to simulate the control of the change of the guide resistance, the signal grounding/breaking fault and the switching logic in the charging process, and the system simulation module is matched with the electric vehicle simulated by the portable electronic load to perform the charging facility test of a preset project.
The fifteenth preferred technical scheme provided by the invention is improved in that a system simulation module of a portable electric vehicle charging facility tester is adopted to simulate the control of the change of a guide resistance, the signal grounding/breaking fault and the switching on/off logic in the charging process, and the system simulation module is matched with the portable electric vehicle simulated by an electronic load to perform electric performance test, and comprises the following steps:
the system simulation module of the portable electric vehicle charging facility tester is used for simulating the control of the change of the pilot resistance, the signal grounding/breaking fault and the switching on-off logic in the charging process, controlling the portable electronic load to simulate the load change in the charging process of the electric vehicle, and performing the electric performance test of the charging facility.
The sixteenth preferred technical scheme provided by the invention is improved in that a system simulation module of a portable electric vehicle charging facility tester is adopted to simulate the control of the change of a guide resistance, the signal grounding/breaking fault and the switching on/off logic in the charging process, and the system simulation module is matched with the portable electric vehicle simulated by an electronic load to perform interoperability test, and comprises the following steps:
the system simulation module of the portable electric vehicle charging facility tester is used for simulating control guide resistance change, signal grounding/breaking fault and switch switching logic in the charging process, and the simulation circuit of the system simulation module is used for controlling the load change in the charging process of the portable electronic load simulation electric vehicle through programming so as to perform interoperability test.
The seventeenth preferred technical scheme provided by the invention is improved in that a system simulation module of a portable electric vehicle charging facility tester is adopted to simulate the control of the change of a guide resistance, the signal grounding/breaking fault and the switching on/off logic in the charging process, and the protocol consistency test is carried out by matching with the portable electric vehicle simulated by an electronic load, and the seventeenth preferred technical scheme comprises the following steps:
the system simulation module of the portable electric vehicle charging facility tester is adopted to simulate the control guide resistance change, the signal grounding/breaking fault and the switch switching logic in the charging process, and is matched with the portable electronic load to perform protocol consistency test according to a preset protocol consistency test flow.
The eighteenth preferred technical scheme provided by the invention is improved in that a system simulation module of a portable electric vehicle charging facility tester is adopted to simulate the control of the change of a guide resistance, the signal grounding/breaking fault and the switching on/off logic in the charging process, and the system simulation module is matched with the portable electric vehicle simulated by an electronic load to perform electric energy metering verification test, and comprises the following steps:
the system simulation module of the portable electric vehicle charging facility tester is used for simulating the control guide resistance change, the signal grounding/breaking fault and the switch switching logic in the charging process, and the data acquisition module is used for acquiring the electric signals of the tested charging facility and carrying out electric energy metering verification test in cooperation with the portable electronic load.
The nineteenth preferred technical solution provided by the present invention is an improvement, wherein after the portable electronic load and the tested electric vehicle charging facility are connected to the portable electric vehicle charging facility tester, the nineteenth preferred technical solution further comprises:
and configuring nameplate parameters, detection standards, detection equipment and detection items of the detected charging facility through the client of the automatic detection equipment of the charging facility of the electric automobile.
The twentieth preferred technical scheme provided by the invention is improved in that the charging facility test of a preset project is performed on the charging facility of the tested electric automobile by using the simulated electric automobile, and the method further comprises the following steps:
test data in the test process are collected through a data collection module of the portable electric vehicle charging facility tester, and the test data are sent to the cloud platform through a communication module of the portable electric vehicle charging facility tester.
The twenty-first preferred technical scheme provided by the invention is characterized in that after the simulated electric automobile is used for carrying out the charging facility test of the preset item on the charging facility of the tested electric automobile, the twenty-first preferred technical scheme further comprises:
and generating a detection report by using the industrial personal computer of the portable electric vehicle charging facility tester, and sending the detection report to a cloud platform through the communication module of the portable electric vehicle charging facility tester.
Compared with the closest prior art, the invention has the following beneficial effects:
according to the electric vehicle charging facility detection equipment and method provided by the invention, the portable electronic load is adopted to simulate the electric vehicle, and the portable electric vehicle charging facility tester is adopted to test the charging facility of the detected electric vehicle charging facility in a preset project, so that the automation level of the charging facility detection equipment and the working efficiency of detection personnel are improved, and the operation requirements of light weight, convenience and high efficiency of field detection are truly met and realized.
By adopting the detection equipment and the detection method for the electric automobile charging facility, provided by the invention, a user can flexibly configure required detection standards and detection projects according to actual demands, and the equipment, the method and the system are suitable for various occasions such as field acceptance, operation maintenance, fault diagnosis and the like, so that the technical level of the field detection and fault diagnosis fields of the charging facility is improved to a great extent.
By adopting the electric vehicle charging facility detection equipment and the method provided by the invention, all the items of electric performance test, interoperability test, protocol consistency test and electric energy metering verification test of the electric vehicle charging facility can be completed, the time required for detection can be greatly shortened, the detection efficiency is improved, the quality of the charging facility can be effectively controlled by a charging operator, and the charging service level is improved by adopting the cloud platform technology and big data advantages.
Drawings
Fig. 1 is a schematic diagram of a basic structure of an electric vehicle charging facility detection device provided by the invention;
fig. 2 is a hardware block diagram of an electric vehicle charging facility detection device provided by the invention;
fig. 3 is a topological diagram of an electric vehicle charging facility detection device provided by the invention;
fig. 4 is a schematic connection diagram of an electric vehicle charging facility detection device provided by the invention;
fig. 5 is a software system block diagram of an electric vehicle charging facility detection device provided by the invention;
fig. 6 is a schematic flow chart of a method for detecting a charging facility of an electric vehicle.
Detailed Description
The following describes the embodiments of the present invention in further detail with reference to the drawings.
Example 1:
the basic structure schematic diagram of the electric vehicle charging facility detection equipment provided by the invention is shown in fig. 1, and the basic structure schematic diagram comprises:
a portable electric vehicle charging facility tester and a portable electronic load;
the portable electronic load is connected to the tested electric vehicle charging facility through the portable electric vehicle charging facility tester;
the portable electronic load is used for simulating the electric automobile;
the portable electric vehicle charging facility tester is used for carrying out charging facility test of preset projects on the tested electric vehicle charging facility by using the simulated electric vehicle;
The charging facility test of the preset item includes: electrical performance testing, interoperability testing, protocol conformance testing, and electrical energy metering verification testing.
The detailed hardware block diagram of the electric vehicle charging facility detection device is shown in fig. 2, the topological diagram is shown in fig. 3, and the connection schematic diagram of the electric vehicle charging facility detection device comprising the cloud platform is shown in fig. 4.
Wherein, portable electric automobile facility tester that charges includes: the system comprises a control module, a system simulation module, a test interface, a built-in load module, a data acquisition module, a signal gating module, an industrial personal computer, a power supply module and a communication module.
The test interface is respectively connected with the tested electric automobile charging facility and the portable electric automobile charging facility tester and is used for realizing data communication between the portable electric automobile charging facility tester and the tested electric automobile charging facility and the portable electronic load.
Specifically, the test interface comprises an electronic load interface and a charging facility interface; the electronic load interface is connected with the portable electronic load and is used for realizing data interaction with the portable electronic load; the charging facility interface is connected with the charging facility of the tested electric automobile and is used for realizing data interaction with the charging facility of the tested electric automobile.
The system simulation module is connected with the test interface and used for simulating and controlling the change of the pilot resistance, the signal grounding/breaking fault and the switch switching logic, and carrying out the charging facility test of a preset project in cooperation with the portable electronic load.
Specifically, the system simulation module comprises a direct current simulation circuit and an alternating current simulation circuit, and the direct current simulation circuit and the alternating current simulation circuit are respectively connected between the control module and the test interface;
when the tested electric automobile charging facility is a direct current charger, the direct current charger is connected to the control module sequentially through the test interface and the direct current analog circuit, and the direct current analog circuit is used for simulating the change of the guide resistance, the signal grounding/breaking fault and the switching on-off logic in the charging process of the direct current charger, and carrying out the charging facility test of a preset item in cooperation with the portable electronic load;
when the tested electric automobile charging facility is an alternating current charging pile, the alternating current charging pile is connected to the control module sequentially through the test interface and the alternating current simulation circuit, and the alternating current simulation circuit is used for simulating the change of the guide resistance, the signal grounding/breaking fault and the switch switching logic in the charging process of the alternating current charging pile and carrying out the charging facility test of a preset item in cooperation with the portable electronic load.
The control module is connected with the system simulation module and used for controlling the system simulation module to perform configuration, controlling and managing the normal and fault work flow of the electric vehicle charging facility detection equipment and performing charging facility detection of a preset project by combining the portable electronic load.
The built-in load module is connected with the system simulation module and used for calibrating the voltage and the current measured by the portable electric automobile charging facility tester, so that the measurement accuracy is ensured, and the voltage measurement accuracy is ensured: 0.2% fs, current measurement accuracy: 0.2% fs.
The built-in load module comprises a direct current electronic load and an alternating current electronic load; the direct-current electronic load is connected with the direct-current analog circuit and is used for calibrating the voltage and the current measured by the portable electric vehicle charging facility tester when the electric vehicle charging facility to be tested is a direct-current charger; the alternating current electronic load is connected with the alternating current analog circuit and is used for calibrating the voltage and the current measured by the portable electric vehicle charging facility tester when the electric vehicle charging facility to be tested is an alternating current charging pile.
The data acquisition module is connected between the control module and the system simulation module and is used for acquiring the electric signals of the electric automobile charging facility to be tested. The method specifically comprises the following steps: collecting three-phase alternating current input voltage and current of a tested direct current charger through a high-precision sampling sensor, and outputting direct current voltage and current; the single/three-phase alternating current input voltage and current of the tested alternating current charging pile and the single/three-phase alternating current output voltage and current can be collected, the required voltage value, current value, phase, each subharmonic, power factor, power and the like can be calculated, and the voltage signal of the control pilot signal collection point, namely the CC1 point, can be collected. And the state jump time sequence of the charging facility can be measured by matching with the analog circuit of the charging facility interface.
The signal gating module is connected between the control module and the data acquisition module and used for controlling and managing electric and communication signals of the electric automobile charging facility detection equipment.
The industrial personal computer is connected with the control module and used for installing and running test software, controlling the test flow and generating a test report, and the report template can be edited by the user according to the requirements. The industrial personal computer can also be used for controlling the collection of test data and waveforms.
The power module is connected between an external power supply and the industrial personal computer and is used for supplying power to the electric automobile charging facility detection equipment.
And the communication module is connected with the control module and used for providing a communication loop connected to the external cloud platform and the client for the portable electric vehicle charging facility tester. The communication module comprises a CAN interface, an Ethernet interface and a remote transmission unit, and a communication loop is provided for the communication protocol consistency test, the local test data transmission and the remote test data transmission of the charging facility in sequence.
The portable electronic load comprises an alternating current load and a direct current load. The alternating current load is connected to the test interface and used for simulating an alternating current electric automobile; the DC load is connected to the test interface for simulating the DC electric vehicle.
The client is connected to the portable electric vehicle charging facility tester and used for realizing interaction with the portable electric vehicle charging facility tester, configuration of parameters of the charging facility to be tested, configuration of test items and execution of test flows.
The portable electric automobile charging facility tester and the portable electronic load are arranged in the portable case, so that the portable electric automobile charging facility tester is convenient to use and transport on site.
The electric automobile charging facility detection equipment is also provided with 2 USB interfaces, so that the real-time transfer of test data can be met; the electrical interface of the device adopts a 1000V/125A standard direct current charging facility socket, and meets the relevant regulations of GB/T20234.3-2015; the human-computer interaction interface of the device uses the touch screen and the digital keys, so that the software operation is more convenient.
When a user uses the electric automobile charging facility detection equipment, after the tested charging facility is connected into the portable electric automobile charging facility tester through the test interface, the user performs man-machine interaction through operating the high-performance industrial personal computer, selects items to be detected, and the control module performs corresponding configuration through the system simulation module and the signal gating module and combines the portable electronic load to realize the full-performance test of the charging facility. In the testing process, the control module obtains the electric signals of the detection points through the data acquisition module, and finally the remote transmission unit sends the testing data to the cloud platform data center through the 4G network.
In the actual use process, the electric automobile charging facility detection equipment is electrified, the tested electric automobile charging facility is electrified, the handheld client is prepared, and the equipment is ensured to enter a pre-test state; selecting a detection item to be performed through a hand-held client man-machine interface, adding or reducing the test item according to actual needs, and configuring parameters; and after the equipment connection is completed and the test items are configured, starting a test flow. The test software will operate in sequence and order with the item under test. In the execution process of the detection project, the automatic detection can be realized by one-key operation, and finally, a report is generated and transmitted to the cloud platform center. The electric signals of the tested facilities are collected by the data collection module, and the cloud platform center can observe test data and waveforms in real time in the test process.
Example 2:
the invention also provides a software system of the electric vehicle charging facility detection equipment, which is divided into a main interface, a test interface, a data waveform interface, a cloud platform, report output and the like. A software system block diagram is shown in fig. 5.
The system adopts an automatic detection system design, realizes one-key operation, and automatically generates a report.
The software system main interface comprises a direct current charger test, an alternating current charging pile test, parameter setting and data query.
The direct current charger is tested, and after clicking, the direct current charger can enter a direct current charger test interface to realize the test of corresponding test items of the direct current charger and the real-time display of test data;
the alternating-current charging pile is tested, and after clicking, the alternating-current charging pile can enter an alternating-current charging pile testing interface to realize the testing of corresponding testing items of the alternating-current charging pile and the real-time display of testing data;
parameter setting, designing based on a database, wherein a user can inquire test parameters of the same type alternating-current charging piles and the direct-current chargers which pass the test in the database, and the parameters have a reference function;
the data query can be performed according to the tested AC/DC charging facility parameters and the test results, so that the inspector can conveniently trace the test conditions;
the test interface can be used for selecting the test items and steps of the direct-current charger and the alternating-current charging pile according to actual requirements, and can adopt the original historical test items and also can add and delete the contents and steps of the conventional test items.
The data waveform interface is mainly used for displaying a charging voltage required value and an actual value, a charging current required value and an actual value, a charging power required value and an actual value, an SOC, a battery temperature, a charging curve, a charging message and the like in real time in the testing process of the AC/DC charging facility, so that a user can conveniently and intuitively know charging process information;
The architecture of the cloud platform system sequentially comprises a data acquisition layer, a network layer, a cloud platform center layer and a user application layer from bottom to top, so that information transmission between the portable electric vehicle charging facility tester and the cloud platform system is realized.
The data acquisition layer is used for connecting corresponding physical entities to the network layer through a communication module of the portable electric vehicle charging facility tester, wherein the physical entities comprise a tested charging facility, the portable electric vehicle charging facility tester and a cloud platform center.
The network layer can adopt a 4G network or other communication modes to realize remote and rapid information transmission, data inquiry and detection task audit delivery.
The cloud platform center layer comprises a data module, an application module, an interface module, an event processing module and a management module, and realizes the information interaction process of a user and the cloud platform.
The user application layer can check the current test state in real time through the cloud platform, can remotely control the test process, can remotely derive a detection report in a format required by a user through one key, and improves the overall detection efficiency.
And outputting the report, wherein a user can customize the storage type of the output file, comprising Word, excel, rtf, pdf, html, csv and other formats, and the exported detection report can be directly sent to a remote verifier in a network connection state by sending an email.
Example 3:
the invention also provides a method for detecting the charging facility of the electric automobile, which is shown in fig. 6 and comprises the following steps:
step 1: connecting the portable electronic load and the tested electric vehicle charging facility to a portable electric vehicle charging facility tester;
step 2: simulating an electric automobile by utilizing a portable electronic load;
step 3: adopting a portable electric vehicle charging facility tester, and carrying out charging facility testing of preset projects on the charging facility of the electric vehicle to be tested by using the simulated electric vehicle;
the charging facility test of the preset item includes: electrical performance testing, interoperability testing, protocol conformance testing, and electrical energy metering verification testing.
The system simulation module of the portable electric vehicle charging facility tester is used for simulating control guide resistance change, signal grounding/breaking fault and switch switching logic in the charging process, and is matched with the portable electric vehicle for electric performance test, and the system simulation module comprises:
the system simulation module of the portable electric vehicle charging facility tester is used for simulating the control of the change of the pilot resistance, the signal grounding/breaking fault and the switching logic in the charging process, controlling the portable electronic load to simulate the load change in the charging process of the electric vehicle, and testing the electrical performance of the charging facility.
The system simulation module of the portable electric vehicle charging facility tester is used for simulating control guide resistance change, signal grounding/breaking fault and switch switching logic in the charging process, and is matched with the portable electric vehicle for carrying out interoperability test by simulating an electronic load, and the system simulation module comprises the following components:
the system simulation module of the portable electric vehicle charging facility tester is used for simulating control guide resistance change, signal grounding/breaking fault and switch switching logic in the charging process, and the simulation circuit of the system simulation module is used for simulating load change in the charging process of the electric vehicle by programming and controlling the portable electronic load so as to perform interoperability test.
The system simulation module of the portable electric vehicle charging facility tester is used for simulating control guide resistance change, signal grounding/breaking fault and switch switching logic in the charging process, and is matched with the portable electric vehicle simulated by the electronic load to perform protocol consistency test, and the system simulation module comprises:
a system simulation module of the portable electric vehicle charging facility tester is adopted to simulate the control guide resistance change, the signal grounding/breaking fault and the switch switching logic in the charging process, and is matched with a portable electronic load to perform protocol consistency test according to a preset protocol consistency test flow.
The system simulation module of the portable electric vehicle charging facility tester is used for simulating control guide resistance change, signal grounding/breaking fault and switch switching logic in the charging process, and is matched with the portable electric vehicle simulated by the electronic load to perform electric energy metering verification test, and the system simulation module comprises:
a system simulation module of the portable electric vehicle charging facility tester is used for simulating control guide resistance change, signal grounding/breaking faults and switch switching logic in the charging process, and a data acquisition module is used for acquiring electric signals of a tested charging facility and carrying out electric energy metering verification test in cooperation with a portable electronic load.
Wherein, after connecting portable electronic load and the electric automobile that is surveyed facility that charges to portable electric automobile facility tester that charges, still include:
the method comprises the steps of configuring nameplate parameters, detection standards, detection equipment and detection items of the detected charging facility through a client of the automatic detection equipment of the charging facility of the electric automobile.
Wherein, utilize the electric automobile of simulation to charge the facility to test the electric automobile to charge the facility and test of charging of the preset project, still include:
test data in the test process are collected through a data collection module of the portable electric vehicle charging facility tester, and the test data are sent to the cloud platform through a communication module of the portable electric vehicle charging facility tester.
After the simulated electric automobile is used for carrying out the charging facility test of the preset item on the charging facility of the tested electric automobile, the method further comprises the following steps:
and generating a detection report by using an industrial personal computer of the portable electric vehicle charging facility tester, and sending the detection report to the cloud platform through a communication module of the portable electric vehicle charging facility tester.
The following provides a specific electric vehicle charging facility detection method flow:
step 11: the portable electric automobile charging facility tester is electrically connected with the tested charging facility and the portable electronic device in sequence respectively, and then a power supply plug of the three is inserted into the power supply socket.
Step 12: and (3) carrying out power-on operation on the electric automobile charging facility detection equipment, closing an input power switch of the electric automobile charging facility to be tested, preparing a handheld client, and ensuring that the test equipment enters a waiting working state.
Step 13: the test system software is opened through the man-machine interaction interface of the handheld client, a new test project is built, information such as nameplate parameters, detection standards, detection equipment and detection items of the tested charging facility is configured, the test items can be properly increased or reduced according to actual detection requirements, and clicking and storing are carried out.
Step 14: and the handheld client is connected with the portable electric automobile charging facility tester through a wireless network, so that remote setting and control of the tester are realized.
Step 15: after equipment connection is completed and test items are configured, a test flow is started, and test software performs full-automatic test one by one according to a preset test item sequence, and in addition, a manual clicking mode can be selected to perform test one by one.
Step 16: after all the test projects are completed, the test engineering information is saved, then a detection report with a format preset by a user is generated by clicking, and the detection report is transmitted to the cloud platform center in a wireless communication mode for report printing.
In the test process, the electrical signals of the tested charging facilities are collected by the data collection module, the test data and waveforms can be observed in real time at the center of the cloud platform in the test process, if the test abnormality is found, the test stopping or checking instructions can be issued remotely, and the accuracy and the reliability of the test data are ensured.
It will be appreciated by those skilled in the art that embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application 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 application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems) and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flowchart illustrations and/or block diagrams, and combinations of flows and/or blocks in the flowchart illustrations 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.
It should be noted that the above embodiments are only for illustrating the technical solution of the present application and not for limiting the scope of protection thereof, and although the present application has been described in detail with reference to the above embodiments, it should be understood by those skilled in the art that various changes, modifications or equivalents may be made to the specific embodiments of the application after reading the present application, and these changes, modifications or equivalents are within the scope of protection of the claims appended hereto.
Claims (13)
1. An electric vehicle charging facility detection apparatus, characterized by comprising: a portable electric vehicle charging facility tester and a portable electronic load;
the portable electronic load is connected to the tested electric vehicle charging facility through the portable electric vehicle charging facility tester;
The portable electronic load is used for simulating an electric automobile;
the portable electric vehicle charging facility tester is used for carrying out charging facility testing of preset items on the tested electric vehicle charging facility by using the simulated electric vehicle;
the charging facility test of the preset item comprises the following steps: electrical performance testing, interoperability testing, protocol conformance testing, and electrical energy metering verification testing;
the portable electric automobile facility tester that charges includes: the system comprises a control module, a system simulation module and a test interface;
the test interface is respectively connected with the tested electric vehicle charging facility and the portable electric vehicle charging facility tester and is used for realizing data communication between the portable electric vehicle charging facility tester, the tested electric vehicle charging facility and the portable electronic load;
the system simulation module is connected with the test interface and used for simulating and controlling the change of the pilot resistance, the signal grounding/breaking fault and the switching on-off logic, and carrying out the charging facility test of a preset item in cooperation with the portable electronic load;
the control module is connected with the system simulation module and used for controlling the system simulation module to perform configuration, controlling and managing normal and fault working flows of the electric vehicle charging facility detection equipment and performing charging facility detection of a preset item by combining the portable electronic load;
The system simulation module comprises a direct current simulation circuit and an alternating current simulation circuit, and the direct current simulation circuit and the alternating current simulation circuit are respectively connected between the control module and the test interface;
when the tested electric automobile charging facility is a direct current charger, the tested electric automobile charging facility is connected to the control module sequentially through the test interface and a direct current analog circuit, and the direct current analog circuit is used for simulating the change of a guide resistance, the signal grounding/breaking fault and the switching on-off logic in the charging process of the direct current charger, and carrying out the charging facility test of a preset item in cooperation with the portable electronic load;
when the tested electric automobile charging facility is an alternating current charging pile, the tested electric automobile charging facility is connected to the control module sequentially through the test interface and an alternating current simulation circuit, and the alternating current simulation circuit is used for simulating the change of a guide resistance, the signal grounding/breaking fault and the switching on-off logic in the charging process of the alternating current charging pile, and carrying out the charging facility test of a preset item in cooperation with the portable electronic load;
the portable electric automobile charging facility tester also comprises a built-in load module;
the built-in load module is connected with the system simulation module and is used for calibrating the voltage and the current measured by the portable electric vehicle charging facility tester;
The built-in load module comprises a direct-current electronic load and an alternating-current electronic load;
the direct-current electronic load is connected with the direct-current analog circuit and is used for calibrating the voltage and the current measured by the portable electric vehicle charging facility tester when the electric vehicle charging facility to be tested is a direct-current charger;
the alternating current electronic load is connected with the alternating current analog circuit and is used for calibrating the voltage and the current measured by the portable electric vehicle charging facility tester when the electric vehicle charging facility to be tested is an alternating current charging pile;
the test interface comprises an electronic load interface and a charging facility interface;
the electronic load interface is connected with the portable electronic load and is used for realizing data interaction with the portable electronic load;
the charging facility interface is connected with the charging facility of the tested electric automobile and is used for realizing data interaction with the charging facility of the tested electric automobile.
2. The apparatus of claim 1, wherein the portable electric vehicle charging facility tester further comprises a data acquisition module;
the data acquisition module is connected between the control module and the system simulation module and is used for acquiring electric signals of the electric automobile charging facility to be tested.
3. The apparatus of claim 2, wherein the portable electric vehicle charging facility tester further comprises a signal gating module;
the signal gating module is connected between the control module and the data acquisition module and is used for controlling and managing electric and communication signals of the electric automobile charging facility detection equipment.
4. The apparatus of claim 1, wherein the portable electronic load comprises an ac load and a dc load;
the alternating current load is connected to the test interface and used for simulating an alternating current electric automobile;
the direct current load is connected to the test interface and used for simulating a direct current electric automobile.
5. The apparatus of claim 1, wherein the portable electric vehicle charging facility tester further comprises an industrial personal computer;
the industrial personal computer is connected with the control module and used for installing and running test software, controlling a test flow and generating a test report.
6. The apparatus of claim 5, wherein the portable electric vehicle charging facility tester further comprises a power module;
the power module is connected between an external power supply and the industrial personal computer and is used for supplying power to the electric automobile charging facility detection equipment.
7. The device of claim 1, further comprising a client;
the client is connected to the portable electric vehicle charging facility tester and is used for realizing interaction with the portable electric vehicle charging facility tester, configuration of parameters of a tested charging facility, configuration of test items and execution of a test flow.
8. The apparatus of claim 7, wherein the portable electric vehicle charging facility tester further comprises a communication module;
the communication module is connected with the control module and used for providing a communication loop connected to an external cloud platform and the client for the portable electric vehicle charging facility tester.
9. The apparatus of any of claims 1-8, wherein the portable electric vehicle charging facility tester and the portable electronic load are mounted in a portable chassis.
10. The utility model provides a detection method for electric automobile charging facilities, which is characterized in that:
connecting the portable electronic load and the tested electric vehicle charging facility to a portable electric vehicle charging facility tester;
simulating an electric automobile by utilizing a portable electronic load;
adopting a portable electric vehicle charging facility tester, and carrying out charging facility testing of preset items on the tested electric vehicle charging facility by using the simulated electric vehicle;
The charging facility test of the preset item comprises the following steps: electrical performance testing, interoperability testing, protocol conformance testing, and electrical energy metering verification testing;
the electric automobile that utilizes the simulation carries out the charging facility test of presetting the project to the electric automobile charging facility that is surveyed, include:
the method comprises the steps that a control module of a portable electric vehicle charging facility tester is utilized to configure a system simulation module of the portable electric vehicle charging facility tester, the control module is utilized to control normal and fault work flows of electric vehicle charging facility detection equipment, the system simulation module of the portable electric vehicle charging facility tester is utilized to simulate control guide resistance change, signal grounding/breaking faults and switching on-off logic in the charging process, and the system simulation module is matched with an electric vehicle simulated by the portable electronic load to perform charging facility test of a preset project;
the system simulation module of the portable electric vehicle charging facility tester is adopted to simulate the control guide resistance change, the signal grounding/breaking fault and the switch switching logic in the charging process, and is matched with the portable electric vehicle simulated by the electronic load to perform the electric performance test, and the system simulation module comprises:
A system simulation module of the portable electric vehicle charging facility tester is adopted to simulate the control of the change of the pilot resistance, the signal grounding/breaking fault and the switching on-off logic in the charging process, and the portable electronic load is controlled to simulate the load change in the charging process of the electric vehicle, so as to test the electric performance of the charging facility;
the system simulation module of the portable electric vehicle charging facility tester is adopted to simulate the control guide resistance change, the signal grounding/breaking fault and the switch switching logic in the charging process, and the system simulation module is matched with the portable electric vehicle simulated by the electronic load to perform interoperability test, and comprises the following components:
the system simulation module of the portable electric vehicle charging facility tester is adopted to simulate the control guide resistance change, the signal grounding/breaking fault and the switch switching logic in the charging process, and the simulation circuit of the system simulation module is utilized to control the load change in the charging process of the portable electronic load simulation electric vehicle through programming so as to perform interoperability test;
the system simulation module of the portable electric vehicle charging facility tester is adopted to simulate the control guide resistance change, the signal grounding/breaking fault and the switch switching logic in the charging process, and is matched with the portable electric vehicle simulated by the electronic load to carry out protocol consistency test, and the system simulation module comprises:
A system simulation module of the portable electric vehicle charging facility tester is adopted to simulate the control guide resistance change, the signal grounding/breaking fault and the switch switching logic in the charging process, and the protocol consistency test is carried out according to a preset protocol consistency test flow by matching with the portable electronic load;
the system simulation module of the portable electric vehicle charging facility tester is adopted to simulate the control guide resistance change, the signal grounding/breaking fault and the switch switching logic in the charging process, and is matched with the portable electric vehicle simulated by the electronic load to perform electric energy metering verification test, and the system simulation module comprises:
the system simulation module of the portable electric vehicle charging facility tester is used for simulating the control guide resistance change, the signal grounding/breaking fault and the switch switching logic in the charging process, and the data acquisition module is used for acquiring the electric signals of the tested charging facility and carrying out electric energy metering verification test in cooperation with the portable electronic load.
11. The method of claim 10, wherein after connecting the portable electronic load and the electric vehicle charging facility under test to the portable electric vehicle charging facility tester, further comprising:
and configuring nameplate parameters, detection standards, detection equipment and detection items of the detected charging facility through the client of the automatic detection equipment of the charging facility of the electric automobile.
12. The method of claim 10, wherein the performing a charging facility test of a preset project on the tested electric vehicle charging facility with the simulated electric vehicle further comprises:
test data in the test process are collected through a data collection module of the portable electric vehicle charging facility tester, and the test data are sent to the cloud platform through a communication module of the portable electric vehicle charging facility tester.
13. The method of claim 10, wherein after the performing the charging facility test of the preset item on the tested electric vehicle charging facility by using the simulated electric vehicle, further comprising:
and generating a detection report by using the industrial personal computer of the portable electric vehicle charging facility tester, and sending the detection report to a cloud platform through the communication module of the portable electric vehicle charging facility tester.
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| CN201811020160.7A CN109444566B (en) | 2018-09-03 | 2018-09-03 | Electric automobile charging facility detection equipment and method |
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| CN201811020160.7A CN109444566B (en) | 2018-09-03 | 2018-09-03 | Electric automobile charging facility detection equipment and method |
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Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109995616A (en) * | 2019-04-04 | 2019-07-09 | 睿驰达新能源汽车科技（北京）有限公司 | Logic test method and device in a kind of system of hiring a car |
| CN110196404B (en) * | 2019-05-24 | 2022-04-19 | 深圳智链物联科技有限公司 | Charging pile metering chip calibration method and device and terminal equipment |
| CN110824271A (en) * | 2019-10-13 | 2020-02-21 | 国网山东省电力公司高密市供电公司 | Electric automobile fills electric pile simulation test platform |
| CN110927486B (en) * | 2019-11-19 | 2022-05-13 | 山东鲁软数字科技有限公司智慧能源分公司 | Electric automobile wireless charging interoperability test system and method thereof |
| CN111551799A (en) * | 2020-04-09 | 2020-08-18 | 国网冀北电力有限公司计量中心 | Detection system and method for direct-current charger |
| CN111537823A (en) * | 2020-05-25 | 2020-08-14 | 惠州市丝鹭新能源科技有限公司 | Alternating-current charging pile test system for electric automobile |
| CN112067921A (en) * | 2020-08-10 | 2020-12-11 | 广州汽车集团股份有限公司 | Conduction charging test system and method for electric vehicle |
| CN111762050B (en) * | 2020-09-02 | 2020-11-20 | 中认南信(江苏)检测技术有限公司 | Bidirectional testing system and method for BMS (battery management system) and DC (direct current) charging pile of electric automobile |
| CN112350885B (en) * | 2020-10-16 | 2021-11-30 | 中汽研汽车检验中心（天津）有限公司 | System and method for testing consistency of communication protocol of wireless charging system of electric vehicle |
| CN113219280A (en) * | 2021-04-21 | 2021-08-06 | 成都艾默泰克科技有限公司 | New energy automobile charging interoperation consistency test system and test method |
| CN115129028A (en) * | 2022-06-27 | 2022-09-30 | 一汽奔腾轿车有限公司 | Automatic IOP test system |
| CN115102889B (en) * | 2022-07-26 | 2022-10-28 | 中国电力科学研究院有限公司 | Client side energy measurement data exchange protocol remote test method and system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205581229U (en) * | 2016-03-11 | 2016-09-14 | 西安特锐德智能充电科技有限公司 | Alternating current -direct current fills electric pile portable test device |
| CN106771701A (en) * | 2016-11-15 | 2017-05-31 | 中国电力科学研究院 | A kind of electric vehicle charge interface uniformity automated detection system and method |
| CN107255759A (en) * | 2017-06-09 | 2017-10-17 | 国网重庆市电力公司电力科学研究院 | A kind of electric vehicle alternating-current charging pile automatic checkout system |
| CN107367635A (en) * | 2017-08-09 | 2017-11-21 | 浙江涵普电力科技有限公司 | Direct current charging pile field tester |
| CN108181530A (en) * | 2018-01-11 | 2018-06-19 | 广东电网有限责任公司电力科学研究院 | A kind of alternating-current charging pile interoperability detecting system and method |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20160327615A1 (en) * | 2015-05-05 | 2016-11-10 | Seaward Group | Method and apparatus for a portable electric vehicle supply equipment tester |
-
2018
- 2018-09-03 CN CN201811020160.7A patent/CN109444566B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205581229U (en) * | 2016-03-11 | 2016-09-14 | 西安特锐德智能充电科技有限公司 | Alternating current -direct current fills electric pile portable test device |
| CN106771701A (en) * | 2016-11-15 | 2017-05-31 | 中国电力科学研究院 | A kind of electric vehicle charge interface uniformity automated detection system and method |
| CN107255759A (en) * | 2017-06-09 | 2017-10-17 | 国网重庆市电力公司电力科学研究院 | A kind of electric vehicle alternating-current charging pile automatic checkout system |
| CN107367635A (en) * | 2017-08-09 | 2017-11-21 | 浙江涵普电力科技有限公司 | Direct current charging pile field tester |
| CN108181530A (en) * | 2018-01-11 | 2018-06-19 | 广东电网有限责任公司电力科学研究院 | A kind of alternating-current charging pile interoperability detecting system and method |
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