CN210982712U - Mutual inductor calibrator device - Google Patents
Mutual inductor calibrator device Download PDFInfo
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- CN210982712U CN210982712U CN201921073813.8U CN201921073813U CN210982712U CN 210982712 U CN210982712 U CN 210982712U CN 201921073813 U CN201921073813 U CN 201921073813U CN 210982712 U CN210982712 U CN 210982712U
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Abstract
The utility model discloses a mutual-inductor check gauge device, the device includes: the signal acquisition module is connected with the signal analysis module and is used for respectively acquiring secondary electric signals of the mutual inductor to be detected and the standard mutual inductor; the signal analysis module is connected with the data communication module and used for analyzing and calculating the electric signal so as to obtain the calibration data of the transformer to be tested; the data communication module is externally connected with the mobile operation terminal and used for sending the check data to the mobile operation terminal; and the data storage module is respectively connected with the signal acquisition module and the signal analysis module and is used for storing the electric signals and the check data. The utility model discloses mutual inductor calibrator device has realized the communication of check-up data and the mobile operation terminal of on-the-spot mutual inductor; the current mode of manual handwriting input is abandoned, the verification process is automatically completed by equipment, the manual modification of data is avoided, the authenticity of the data is ensured, and the efficiency of field operation is improved.
Description
Technical Field
The utility model relates to a power grid fortune dimension technical field to more specifically relates to a mutual-inductor check gauge device.
Background
In recent years, the electric power industry in China is rapidly developed, the voltage grade of an electric power system is continuously improved, and the generated energy and the power consumption are greatly increased. Meanwhile, along with the reform of the electric power system, particularly the separation of power generation and power transmission, the accuracy and fairness of electric energy metering arouse high social attention. With the increasing awareness of power supply and power utilization parties on measurement fairness and justice and the gradual deepening of requirements on examination indexes such as line loss and bus balance, the problem of how to accurately and efficiently acquire errors of the mutual inductor for measurement in a field environment is more and more emphasized.
At present, the field inspection work of a medium-high voltage transformer in charge of a provincial level metering center mainly has the following problems: (1) the existing mutual inductor on-site check meter does not have the capacity of being connected with an MDS system, and on-site detection result data can be stored and transmitted only in a paper file mode, so that the detection result of the on-site mutual inductor is difficult to search; (2) the work task of on-site verification still depends on off-line paper documents, and is managed partially through internal telephones, short messages and the like, so that the detection work efficiency of the on-site mutual inductor is influenced, and the detection of the on-site mutual inductor does not have a uniform standardized management mode.
Disclosure of Invention
The utility model provides a mutual-inductor check gauge device to solve current mutual-inductor check gauge and can't carry out data communication with other equipment, the data that acquire need the problem of artifical record.
In order to solve the above problem, the utility model provides a mutual-inductor check gauge device, a serial communication port, the device includes: the device comprises a signal acquisition module, a signal analysis module, a data communication module and a data storage module;
the signal acquisition module is connected with the signal analysis module and is used for respectively acquiring secondary electric signals of the mutual inductor to be tested and the standard mutual inductor and sending the electric signals to the signal analysis module;
the signal analysis module is connected with the data communication module and used for analyzing and calculating the electric signal to acquire calibration data of the mutual inductor to be tested and sending the calibration data to the data communication module;
the data communication module is externally connected with a mobile operation terminal and used for sending the check data to the external mobile operation terminal;
and the data storage module is respectively connected with the signal acquisition module and the signal analysis module and is used for storing the electric signals and the check data.
Preferably, wherein the signal analysis module comprises:
the error testing unit is used for determining the measurement error data of the mutual inductor to be tested according to the electric signal;
the volt-ampere characteristic testing unit is used for determining volt-ampere characteristic data of the transformer to be tested according to the electric signals;
the instrument security coefficient testing unit is used for determining the instrument security coefficient of the mutual inductor to be tested according to the electric signal;
and the turn-to-turn short circuit performance testing unit is used for determining turn-to-turn short circuit performance data of the transformer to be tested according to the electric signal.
Preferably, the data communication module performs data communication by using a wireless transmission mode or a wired transmission mode.
Preferably, the wireless transmission mode includes: bluetooth transmission, network transmission, and ZigBee transmission.
Preferably, wherein the apparatus further comprises:
and the data encryption module is respectively connected with the output end of the signal analysis module and the input end of the data communication module and is used for encrypting the check data to obtain ciphertext data and sending the ciphertext data to the mobile operation terminal through the data communication module.
Preferably, wherein the apparatus further comprises:
and the fault early warning module is connected with the data storage module and used for comparing the verification data of the mutual inductor to be tested with the historical verification data so as to determine the running state of the mutual inductor to be tested and carrying out fault early warning according to the running state.
The utility model provides a mutual-inductor check gauge device, the device includes: the signal acquisition module is connected with the signal analysis module and is used for respectively acquiring secondary electric signals of the mutual inductor to be detected and the standard mutual inductor; the signal analysis module is connected with the data communication module and used for analyzing and calculating the electric signal so as to obtain the calibration data of the transformer to be tested; the data communication module is externally connected with the mobile operation terminal and used for sending the check data to the mobile operation terminal; and the data storage module is respectively connected with the signal acquisition module and the signal analysis module and is used for storing the electric signals and the check data. The utility model discloses a mutual-inductor check gauge device has increased the function with the communication of outside mobile operation terminal on the basis of current mutual-inductor check gauge, has realized the communication of the check-up data and the mobile operation terminal of on-the-spot mutual-inductor; the current mode of manual handwriting input is abandoned, the verification process is automatically completed by equipment, the manual modification of data is avoided, and the authenticity of the data is ensured; moreover, historical data storage and query can be realized, original records and test reports can be automatically generated, and the efficiency of field operation is improved.
Drawings
A more complete understanding of exemplary embodiments of the present invention may be had by reference to the following drawings:
fig. 1 is a schematic structural diagram of a transformer calibrator device 100 according to an embodiment of the present invention; and
fig. 2 is a flow chart according to the utility model discloses mutual-inductor check gauge device communicates with mobile operation terminal.
Detailed Description
The exemplary embodiments of the present invention will now be described with reference to the accompanying drawings, which, however, may be embodied in many different forms and are not limited to the embodiments described herein, which are provided for the purpose of thoroughly and completely disclosing the present invention and fully conveying the scope of the present invention to those skilled in the art. The terminology used in the exemplary embodiments presented in the accompanying drawings is not intended to be limiting of the invention. In the drawings, the same units/elements are denoted by the same reference numerals.
Unless otherwise defined, terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. Further, it will be understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the relevant art and will not be interpreted in an idealized or overly formal sense.
Fig. 1 is a schematic structural diagram of a transformer calibrator device 100 according to an embodiment of the present invention; . As shown in fig. 1, the mutual inductor calibration instrument device provided by the embodiment of the present invention adds a function of communicating with an external mobile operation terminal on the basis of the existing mutual inductor calibration instrument, and realizes the communication between the calibration data of the field mutual inductor and the mobile operation terminal; the current mode of manual handwriting input is abandoned, the verification process is automatically completed by equipment, the manual modification of data is avoided, and the authenticity of the data is ensured; moreover, historical data storage and query can be realized, original records and test reports can be automatically generated, and the efficiency of field operation is improved. The utility model discloses an embodiment provides a mutual-inductor check gauge device 100, include: a signal acquisition module 101, a signal analysis module 102, a data communication module 103 and a data storage module 104.
Preferably, the signal obtaining module 101 is connected to the signal analyzing module 102, and configured to obtain secondary electric signals of the transformer to be tested and the standard transformer, respectively, and send the electric signals to the signal analyzing module 102.
Preferably, the signal analysis module 102 is connected to the data communication module 103, and is configured to analyze and calculate the electrical signal to obtain calibration data of the transformer to be tested, and send the calibration data to the data communication module 103.
Preferably, the signal analysis module 102 includes:
an error test unit 1021, configured to determine measurement error data of the transformer to be tested according to the electrical signal;
the volt-ampere characteristic testing unit 1022 is configured to determine volt-ampere characteristic data of the transformer to be tested according to the electrical signal;
the instrument security coefficient testing unit 1023 is used for determining the instrument security coefficient of the mutual inductor to be tested according to the electric signal;
and the turn-to-turn short circuit performance testing unit 1024 is used for determining turn-to-turn short circuit performance data of the transformer to be tested according to the electric signal.
Preferably, the data communication module 103 is externally connected to a mobile operation terminal, and is configured to send the verification data to the mobile operation terminal.
Preferably, the data communication module performs data communication by using a wireless transmission mode or a wired transmission mode.
Preferably, the wireless transmission mode includes: bluetooth transmission, network transmission, and ZigBee transmission.
Preferably, the data storage module 104 is connected to the signal acquisition module 101 and the signal analysis module 102, respectively, and is configured to store the electrical signal and the verification data.
Preferably, wherein the apparatus further comprises:
and the data encryption module is respectively connected with the output end of the signal analysis module and the input end of the data communication module and is used for encrypting the check data to obtain ciphertext data and sending the ciphertext data to the mobile operation terminal through the data communication module.
Preferably, wherein the apparatus further comprises:
and the fault early warning module is connected with the data storage module and used for comparing the verification data of the mutual inductor to be tested with the historical verification data so as to determine the running state of the mutual inductor to be tested and carrying out fault early warning according to the running state.
Utilize the utility model discloses the process that mutual-inductor check gauge device and mobile operation terminal communicated is shown in figure 2. The use process of the device is described by taking the error of the current transformer as an example. When the error detection of the current transformer is carried out, the used equipment comprises a test power supply, a standard current transformer, a current transformer to be detected, a load box, a transformer calibrator device, a mobile operation terminal and a plurality of wires. Firstly, connecting a test power supply, a standard current transformer and a primary side of a current transformer to be tested in series, and connecting secondary sides of the standard current transformer and the current transformer to be tested in series; a differential current signal is generated on a lead between the current transformer and the load box, the current transformer to be tested is connected with the transformer calibrator, the secondary side of the current transformer to be tested is connected with the load box in series, and the communication connection relation between the current transformer to be tested and the load box is established. During detection, a test power supply applies current, after the current reaches a test point, the device automatically records error information during the test point and automatically stores the error information, after the test is finished, data are automatically or together encrypted after multiple measurements and then uploaded to the mobile operation terminal through the data communication module, the mobile operation terminal verifies whether the uploading is successful, and if the uploading is successful, a determination button is pressed on the device; if the test is unsuccessful, the test is uploaded or developed again, and data is obtained again. And after all tests are finished, the power is cut off, the test data is stored in the device, and meanwhile, whether the test data is uploaded to a background receiving platform or not can be selected on the mobile operation terminal.
The utility model discloses an embodiment provides a mutual-inductor check gauge device has abandoned the mode of leaning on artifical hand-write to type at present, and the overall process is accomplished by equipment is automatic, and the manual work of avoiding is to the modification of data, has guaranteed the authenticity of data, for obtaining real mutual-inductor on-the-spot handing-over test data provides technical support to the efficiency of site operation has been improved.
The invention has been described with reference to a few embodiments. However, other embodiments of the invention than the above disclosed are equally possible within the scope of the invention, as would be apparent to a person skilled in the art, as defined by the appended patent claims.
Generally, all terms used in the claims are to be interpreted according to their ordinary meaning in the technical field, unless explicitly defined otherwise herein. All references to "a/an/the [ device, component, etc ]" are to be interpreted openly as referring to at least one instance of said device, component, etc., unless explicitly stated otherwise. The steps of any method disclosed herein do not have to be performed in the exact order disclosed, unless explicitly stated.
Claims (6)
1. A transformer calibrator apparatus, said apparatus comprising: the device comprises a signal acquisition module, a signal analysis module, a data communication module and a data storage module;
the signal acquisition module is connected with the signal analysis module and is used for respectively acquiring secondary electric signals of the mutual inductor to be tested and the standard mutual inductor and sending the electric signals to the signal analysis module;
the signal analysis module is connected with the data communication module and used for analyzing and calculating the electric signal to acquire calibration data of the mutual inductor to be tested and sending the calibration data to the data communication module;
the data communication module is externally connected with a mobile operation terminal and used for sending the check data to the external mobile operation terminal;
and the data storage module is respectively connected with the signal acquisition module and the signal analysis module and is used for storing the electric signals and the check data.
2. The apparatus of claim 1, wherein the signal analysis module comprises:
the error testing unit is used for determining the measurement error data of the mutual inductor to be tested according to the electric signal;
the volt-ampere characteristic testing unit is used for determining volt-ampere characteristic data of the transformer to be tested according to the electric signals;
the instrument security coefficient testing unit is used for determining the instrument security coefficient of the mutual inductor to be tested according to the electric signal;
and the turn-to-turn short circuit performance testing unit is used for determining turn-to-turn short circuit performance data of the transformer to be tested according to the electric signal.
3. The device of claim 1, wherein the data communication module communicates data by wireless transmission or wired transmission.
4. The apparatus of claim 3, wherein the wireless transmission means comprises: bluetooth transmission, network transmission, and ZigBee transmission.
5. The apparatus of claim 1, further comprising:
and the data encryption module is respectively connected with the output end of the signal analysis module and the input end of the data communication module and is used for encrypting the check data to obtain ciphertext data and sending the ciphertext data to the mobile operation terminal through the data communication module.
6. The apparatus of claim 1, further comprising:
and the fault early warning module is connected with the data storage module and used for comparing the verification data of the mutual inductor to be tested with the historical verification data so as to determine the running state of the mutual inductor to be tested and carrying out fault early warning according to the running state.
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| CN201921073813.8U CN210982712U (en) | 2019-07-10 | 2019-07-10 | Mutual inductor calibrator device |
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| CN201921073813.8U CN210982712U (en) | 2019-07-10 | 2019-07-10 | Mutual inductor calibrator device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112285630A (en) * | 2020-09-15 | 2021-01-29 | 中国电力科学研究院有限公司 | Mutual inductor detection method and system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112285630A (en) * | 2020-09-15 | 2021-01-29 | 中国电力科学研究院有限公司 | Mutual inductor detection method and system |
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