CN113447846A - Charging pile testing device calibration system - Google Patents
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- 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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Abstract
The application discloses fill electric pile testing arrangement's calibration system. Wherein, this calibration system includes: the adaptive device is connected with the charging pile testing device and used for determining the type of an output signal output to the charging pile testing device by the corrector according to the type of an input signal of the charging pile testing device, wherein the type of the output signal corresponds to the type of the input signal; and the correcting instrument is connected with the charging pile testing device and used for correcting the target output signal which is output by the charging pile testing device and corresponds to the type of the output signal. The technical problems that in the related art, charging piles are calibrated based on a calibration system, the calibration efficiency is low and the calibration result is inaccurate when a testing device is calibrated in a charging mode are solved.
Description
Technical Field
The application relates to the field of electrical calibration, in particular to a calibration system of a charging pile testing device.
Background
In order to reduce environmental pollution and deal with increasingly nervous energy crisis, a series of policies for encouraging the development of new energy are issued by the nation, new energy electric vehicles are popularized and popularized at an accelerated speed, and the construction and development of charging piles are driven.
In order to support the rapid and healthy development of the electric automobile industry, 2015 11 months State development committee, energy agency, department of industry and correspondence and residential construction department jointly develop an electric automobile charging infrastructure development guideline (2015-2020), which is explicitly proposed: by 2020, 1.2 ten thousand seats of a centralized charging and replacing power station are built, 480 thousands of charging piles are dispersedly charged, and the charging requirement of 500 thousands of electric vehicles in the whole country is met.
With the promulgation and the perfection of the national standards related to the latest charging pile detection, higher requirements are put forward on the charging pile detection in the new situation. In order to complete a quality evaluation system of the charging pile, quality management of the charging equipment is enhanced, the charging pile is usually calibrated in the related art, but when the charging pile is calibrated, the problem of voltage or current of the charging pile is not solved, but a testing device of the charging pile is solved, so that in the related art, the charging pile is calibrated, and the technical problems of inaccurate correction result and low management level of the charging pile still exist.
In view of the above problems, no effective solution has been proposed.
Disclosure of Invention
The embodiment of the application provides a calibration system of a charging pile testing device, and the calibration system is used for at least solving the technical problems that the charging pile is calibrated based on the calibration system in the related art, the calibration efficiency is low and the calibration result is inaccurate when the charging pile testing device is calibrated.
According to an aspect of an embodiment of the present application, there is provided a calibration system for a charging pile testing apparatus, including: the adaptive device is connected with the charging pile testing device and used for determining the type of an output signal output to the charging pile testing device by the corrector according to the type of an input signal of the charging pile testing device, wherein the type of the output signal corresponds to the type of the input signal; and the correcting instrument is connected with the charging pile testing device and used for correcting the target output signal which is output by the charging pile testing device and corresponds to the type of the output signal.
Optionally, the calibration apparatus comprises: the standard signal source, wherein the standard signal source includes at least one of: and the standard voltage source, the standard current source and the corrector input the standard signal provided by the standard signal source into the charging pile testing device.
Optionally, the standard voltage source is connected with a first bottom terminal of the charging pile testing device to form an independent voltage loop; and the standard current source is connected with a second bottom terminal of the charging pile testing device to form an independent current loop.
Optionally, the input signal types of the charging test device include: the direct current signal or alternating current signal according to fill electric pile testing arrangement's input signal type, confirm the output signal of correction appearance to filling electric pile testing arrangement, include: and under the condition that the input signal type of the charging pile testing device is a direct current signal, determining that the standard signal provided by the standard signal source is the direct current signal.
Optionally, determining an output signal of the calibration instrument to the charging pile testing device according to the type of the input signal of the charging pile testing device, further comprising: and under the condition that the input signal type of the charging pile testing device is an alternating current signal, determining that the standard signal provided by the standard signal source is the alternating current signal.
Optionally, the calibration apparatus comprises: and the standard digital multimeter is used for acquiring a target output signal of the charging pile testing device.
Optionally, the calibrator further comprises: and the automatic calibration system is at least used for determining error information according to the standard signal and the target output signal and correcting the target output signal of the charging pile testing device according to the error information.
According to another aspect of the embodiments of the present application, there is also provided a calibration method for a charging pile testing apparatus, where the calibration method is performed based on the calibration system of claim 1, and the calibration method includes: determining the type of an output signal output to the charging pile testing device by the correction instrument according to the type of an input signal of the charging pile testing device, wherein the type of the output signal corresponds to the type of the input signal; and correcting the target output signal which is output by the charging pile testing device and corresponds to the type of the output signal.
According to another aspect of the embodiment of the application, a nonvolatile storage medium is further provided, and the nonvolatile storage medium includes a stored program, wherein when the program runs, the device where the nonvolatile storage medium is located is controlled to execute the calibration method of the charging pile testing apparatus.
According to another aspect of the embodiment of the present application, a processor is further provided, where the processor is configured to execute a program, where the program executes the calibration method for the charging pile testing apparatus.
In the embodiment of the application, a charging pile testing device is calibrated, and the charging pile testing device is connected with an adaptive device and used for determining the type of an output signal output to the charging pile testing device by a corrector according to the type of an input signal of the charging pile testing device, wherein the type of the output signal corresponds to the type of the input signal; the calibrator is connected with the charging pile testing device and used for calibrating a target output signal which is output by the charging pile testing device and corresponds to an output signal type, the technical effects of ensuring the accuracy of measurement data and the repeatability and consistency of the calibration system based on the same calibration system are achieved, and the technical problems that the charging pile is calibrated based on the calibration system in the related technology, the calibration efficiency is low and the calibration result is inaccurate in the calibration of the charging pile testing device are solved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
fig. 1 is a schematic structural diagram of a calibration system of a charging pile testing apparatus according to an embodiment of the present application;
FIG. 2 is a functional block diagram of an alternative DC charging pile testing apparatus calibration platform of the present application;
FIG. 3 is a functional block diagram of an alternative AC charging post testing device calibration platform of the present application;
FIG. 4 is a software flow diagram of the calibration system described above according to an alternative embodiment of the present application;
FIG. 5 is a schematic interface diagram of an alternative auto-calibration system according to an embodiment of the present application;
fig. 6 is a block diagram illustrating an overall design of an alternative charging pile testing apparatus calibration platform according to an embodiment of the present disclosure;
fig. 7 is a flowchart illustrating a calibration method of a charging pile testing apparatus according to an embodiment.
Detailed Description
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but 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 application.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in sequences other than those illustrated or described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
In accordance with embodiments of the present application, there is provided an embodiment of a calibration system for a charging pile testing device, where the steps illustrated in the flowchart of the drawings may be performed in a computer system, such as a set of computer executable instructions, and where a logical order is illustrated in the flowchart, in some cases the steps illustrated or described may be performed in an order different than that illustrated herein.
Fig. 1 is a calibration system of a charging pile testing apparatus according to an embodiment of the present application, and as shown in fig. 1, the calibration system includes:
the adaptive device 10 is connected with the charging pile testing device 20 and used for determining the type of an output signal output to the charging pile testing device 20 by the corrector 30 according to the type of an input signal of the charging pile testing device 20, wherein the type of the output signal corresponds to the type of the input signal;
and the corrector 30 is connected with the charging pile testing device 20 and is used for correcting the target output signal which is output by the charging pile testing device 20 and corresponds to the type of the output signal.
In the calibration system of the charging pile testing device, an adapter device 10 is connected with a charging pile testing device 20 and used for determining the type of an output signal output by a corrector 30 to the charging pile testing device 20 according to the type of an input signal of the charging pile testing device 20, wherein the type of the output signal corresponds to the type of the input signal; the calibrator 30 is connected with the charging pile testing device 20 and used for calibrating a target output signal which is output by the charging pile testing device 20 and corresponds to an output signal type, and the technical effects of being based on the same calibration system, ensuring the accuracy of measurement data when the charging pile testing device is calibrated, and the repeatability and consistency of the calibration system are achieved, so that the technical problems that the charging pile is calibrated based on the calibration system in the related art, the calibration efficiency is low and the calibration result is inaccurate when the charging pile testing device is calibrated are solved.
It should be noted that the calibration instrument includes: the standard signal source, wherein the standard signal source includes at least one of: and the standard voltage source, the standard current source and the corrector input the standard signal provided by the standard signal source into the charging pile testing device.
The standard voltage source is connected with a first bottom terminal of the charging pile testing device to form an independent voltage loop; and the standard current source is connected with a second bottom terminal of the charging pile testing device to form an independent current loop. Fig. 2 is a schematic block diagram of an optional calibration platform for a dc charging pile testing apparatus of the present application, as shown in fig. 2, a standard voltage source and a current source in a dc charging pile testing apparatus calibration instrument of a dc model are respectively connected to bottom terminals at different positions in the dc charging pile testing apparatus, so as to form an independent voltage loop and an independent current loop, it should be noted that the output voltage range of the calibration platform for a dc charging pile testing apparatus is 0 to 1000VDC, the output current range is 0 to 120ADC, the output voltage precision is 0.05%, the output current precision is 0.01%, the voltage measurement precision is 0.01%, and the current measurement precision is 0.01%, specifically, as shown in the following table:
fig. 3 is a schematic block diagram of another alternative calibration platform for an ac charging pile testing apparatus according to the present application, as shown in fig. 3, a standard voltage and a current source in an ac charging pile testing apparatus calibrator are respectively connected to bottom terminals at different positions in the ac charging pile testing apparatus to form an independent voltage loop and an independent current loop, and it can be understood that the measurement accuracy can be improved and the error of the calibration result can be reduced based on the independent voltage and current loops,
it should be noted that the output voltage range of the AC testing device calibration platform is 0-250V, and the current range is 0-80A; the voltage calibration accuracy is 0.05%, and the current calibration accuracy is 0.05%, as shown in the following table:
| serial number | Item(s) | Parameter(s) |
| 1 | Output voltage range | 0～250V |
| 2 | Output current range | 0～80A |
| 3 | Accuracy of output voltage | 0.05％ |
| 4 | Accuracy of output current | 0.05％ |
| 5 | Accuracy of voltage measurement | 0.01％ |
| 6 | Accuracy of current measurement | 0.01％ |
It should be noted that the calibration platform for the dc charging pile testing device and the calibration platform for the ac charging pile testing device can be integrated in a standard cabinet, and the ac charging pile testing device to be tested can be quickly connected to the calibration platform in a crimping manner. The program in the calibration platform automatically calibrates, and the calibration system automatically updates the coefficients of the detection device.
In some optional embodiments of the present application, the input signal types of the charging test apparatus include: the direct current signal or alternating current signal according to fill electric pile testing arrangement's input signal type, confirm the output signal of correction appearance to filling electric pile testing arrangement, include: and under the condition that the input signal type of the charging pile testing device is a direct current signal, determining that the standard signal provided by the standard signal source is the direct current signal.
In some optional embodiments of the present application, determining an output signal from the calibration instrument to the charging pile testing apparatus according to a type of an input signal of the charging pile testing apparatus further includes: and under the condition that the input signal type of the charging pile testing device is an alternating current signal, determining that the standard signal provided by the standard signal source is the alternating current signal.
It should be noted that the calibration instrument includes: and the standard digital multimeter is used for acquiring a target output signal of the charging pile testing device.
In some embodiments of the present application, the calibration apparatus further comprises: and the automatic calibration system is at least used for determining error information according to the standard signal and the target output signal and correcting the target output signal of the charging pile testing device according to the error information.
Fig. 4 is a software flow diagram of the above calibration system according to an alternative embodiment of the present application, and as shown in fig. 4, the automatic calibration includes: establishing connection (with a charging pile testing device), selecting testing items (voltage, current, power and the like), automatically configuring equipment, issuing testing voltage and current values, reading testing data from a standard multimeter, automatically performing calibration operation, and writing a calibration coefficient into a detection device.
Fig. 5 is a schematic diagram of an interface of an alternative auto-calibration system according to an embodiment of the present disclosure, as shown in fig. 5, the interface exhibits ac outputs, operating modes, power constants, range settings, and the like.
Fig. 6 is a block diagram of the general design of an optional calibration platform for a charging pile testing apparatus according to an embodiment of the present disclosure, and as shown in fig. 6, the block diagram includes a software system of an intelligent control and an automatic calibration system, and an automatic calibration system (hardware), where the automatic calibration system communicates with a standard digital multimeter and the like via ethernet or RS485, and is connected to an ac/dc charging pile testing apparatus, and the system adopts a dummy load mode, is equipped with a high-stable-power voltage/current source and a high-precision wide-range sampling standard meter as a calibration reference, and communicates with a detection device via the calibration system to implement automatic calibration.
Fig. 7 is a calibration method of a charging pile testing apparatus according to an embodiment, the calibration method is completed based on the calibration system, and as shown in fig. 7, the method includes:
s102, determining the type of an output signal output to the charging pile testing device by the corrector according to the type of an input signal of the charging pile testing device, wherein the type of the output signal corresponds to the type of the input signal;
and S104, correcting the target output signal which is output by the charging pile testing device and corresponds to the type of the output signal.
According to the calibration method of the charging pile testing device, a calibration system determines the type of an output signal output to the charging pile testing device by a calibrator according to the type of an input signal of the charging pile testing device, wherein the type of the output signal corresponds to the type of the input signal; the target output signals which are output by the charging pile testing device and correspond to the types of the output signals are corrected, the technical effects that the accuracy of measurement data is guaranteed by calibrating the charging pile testing device based on the same set of calibration system, and the repeatability and the consistency of the calibration system are achieved, and further the technical problems that the charging pile is calibrated based on the calibration system in the related technology, the calibration efficiency is low and the calibration result is inaccurate when the charging pile testing device is calibrated are solved.
It is easy to notice that the calibration method and the calibration equipment for the charging pile provided by the application comprise an automatic calibration platform for a direct current charging pile testing device and an automatic calibration platform for an alternating current charging pile testing device. The automatic calibration platform of the direct-current charging pile testing device mainly comprises a direct-current charging pile testing device calibrator and a direct-current adaptation module, and through one set of calibration procedures, calibration of the direct-current charging pile testing device is automatically completed, and repeatability, accuracy and consistency of measured data are guaranteed. Similarly, the automatic calibration platform of the alternating-current charging pile testing device mainly comprises an alternating-current charging pile testing device calibrator and an alternating-current adaptation module, and through one set of calibration program, the calibration of the alternating-current charging pile testing device is automatically completed, so that the repeatability, the accuracy and the consistency of measured data are ensured. And the automatic calibration software system adopts an Ethernet/RS 485 interface to carry out data interaction, complete data reading and setting issuing, and realize test items of voltage, current, power and the like.
According to another aspect of the embodiment of the application, a nonvolatile storage medium is further provided, and the nonvolatile storage medium includes a stored program, wherein when the program runs, the device where the nonvolatile storage medium is located is controlled to execute the calibration method of the charging pile testing apparatus.
The storage medium is used for storing program instructions for executing the following functions, and the functions are realized by determining the type of an output signal output to a charging pile testing device by a corrector according to the type of an input signal of the charging pile testing device, wherein the type of the output signal corresponds to the type of the input signal; and correcting the target output signal which is output by the charging pile testing device and corresponds to the type of the output signal.
According to another aspect of the embodiment of the present application, a processor is further provided, where the processor is configured to execute a program, where the program executes the calibration method for the charging pile testing apparatus.
Specifically, the processor is configured to call a program instruction in the memory, and implement the following functions: determining the type of an output signal output to the charging pile testing device by the correction instrument according to the type of an input signal of the charging pile testing device, wherein the type of the output signal corresponds to the type of the input signal; and correcting the target output signal which is output by the charging pile testing device and corresponds to the type of the output signal.
The above-mentioned serial numbers of the embodiments of the present application are merely for description and do not represent the merits of the embodiments.
In the above embodiments of the present application, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.
In the embodiments provided in the present application, it should be understood that the disclosed technology can be implemented in other ways. The above-described embodiments of the apparatus are merely illustrative, and for example, the division of the units may be a logical division, and in actual implementation, there may be another division, for example, multiple units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, units or modules, and may be in an electrical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
The integrated unit, if implemented in the form of a software functional unit and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present application may be substantially implemented or contributed to by the prior art, or all or part of the technical solution may be embodied in a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present application. And the aforementioned storage medium includes: a U-disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a removable hard disk, a magnetic or optical disk, and other various media capable of storing program codes.
The foregoing is only a preferred embodiment of the present application and it should be noted that those skilled in the art can make several improvements and modifications without departing from the principle of the present application, and these improvements and modifications should also be considered as the protection scope of the present application.
Claims (10)
1. A calibration system for a charging pile testing device, comprising:
the adaptive device is connected with the charging pile testing device and used for determining the type of an output signal output to the charging pile testing device by the corrector according to the type of an input signal of the charging pile testing device, wherein the type of the output signal corresponds to the type of the input signal;
and the correcting instrument is connected with the charging pile testing device and used for correcting the target output signal which is output by the charging pile testing device and corresponds to the type of the output signal.
2. The calibration system of claim 1, wherein the calibration instrument comprises: a standard signal source, wherein the standard signal source at least comprises one of the following: and the calibrator inputs the standard signal provided by the standard signal source into the charging pile testing device.
3. Calibration system according to claim 2,
the standard voltage source is connected with a first bottom terminal of the charging pile testing device to form an independent voltage loop;
and the standard current source is connected with a second bottom terminal of the charging pile testing device to form an independent current loop.
4. The calibration system of claim 2, wherein the input signal types of the charge testing device comprise: determining an output signal of the corrector to the charging pile testing device according to the type of the input signal of the charging pile testing device by using a direct current signal or an alternating current signal, wherein the output signal comprises:
and under the condition that the input signal type of the charging pile testing device is a direct current signal, determining that the standard signal provided by the standard signal source is the direct current signal.
5. The calibration system of claim 4, wherein determining the output signal of the calibrator to the charging post testing device based on the type of input signal to the charging post testing device further comprises:
and under the condition that the input signal type of the charging pile testing device is an alternating current signal, determining the standard signal provided by the standard signal source as the alternating current signal.
6. The calibration system of claim 2, wherein the calibration instrument comprises: and the standard digital multimeter is used for acquiring the target output signal of the charging pile testing device.
7. The calibration system of claim 6, wherein the calibration instrument further comprises: and the automatic calibration system is at least used for determining error information according to the standard signal and the target output signal and correcting the target output signal of the charging pile testing device according to the error information.
8. A calibration method for a charging pile testing apparatus, the calibration method being performed based on the calibration system of claim 1, comprising:
determining the type of an output signal output to the charging pile testing device by a corrector according to the type of an input signal of the charging pile testing device, wherein the type of the output signal corresponds to the type of the input signal;
and correcting the target output signal which is output by the charging pile testing device and corresponds to the type of the output signal.
9. A non-volatile storage medium, comprising a stored program, wherein the program, when executed, controls a device in which the non-volatile storage medium is located to perform the calibration method of the charging pile testing apparatus according to claim 8.
10. A processor, characterized in that the processor is configured to run a program, wherein the program is configured to execute the calibration method of the charging pile testing apparatus according to claim 8 when running.
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