CN112415271A - Three-phase AC loop direct resistance full-automatic test recorder - Google Patents
Three-phase AC loop direct resistance full-automatic test recorder Download PDFInfo
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- CN112415271A CN112415271A CN202011351350.4A CN202011351350A CN112415271A CN 112415271 A CN112415271 A CN 112415271A CN 202011351350 A CN202011351350 A CN 202011351350A CN 112415271 A CN112415271 A CN 112415271A
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- 238000012360 testing method Methods 0.000 title claims abstract description 29
- 238000001514 detection method Methods 0.000 abstract description 10
- 230000003252 repetitive effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
- G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
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Abstract
The invention provides a three-phase alternating current loop direct resistance full-automatic test recorder, which relates to the technical field of detection, recording and rapid judgment of three-phase alternating current loop direct resistance, and comprises the following steps: the device comprises an automatic commutation module, an instruction control module, a storage module, a printing module, a direct resistance testing module and a quick judging module; the storage module is used for storing the resistance value measured by the direct resistance testing module, and the quick judging module is used for quickly judging basic indexes such as whether the direct resistance is balanced or not. The three-phase alternating current loop direct resistance full-automatic test recorder provided by the invention can reduce the workload of workers and improve the automation and intelligence degree of three-phase alternating current loop direct resistance detection equipment.
Description
Technical Field
The invention relates to the technical field of detection, recording and quick judgment of direct resistance of a three-phase alternating-current circuit, in particular to a full-automatic test recorder for the direct resistance of the three-phase alternating-current circuit.
Background
The direct resistance detection of the three-phase alternating current loop in the secondary acceptance stage of the transformer substation is AN important detection project, and the direct resistance, the manual reading, the manual data recording and the manual data judging correctness among AB, BC, CA, AN, BN and CN are measured respectively by repeatedly and manually switching each loop in the three-phase alternating current loop. The repetitive manual switching of each loop and the recording and judging work properties are simple and repetitive, but are extremely time-consuming and labor-consuming. Because the alternating current circuit has many wiring, including protection, standby, fault recording, measurement and control, kilowatt-hour meter, etc., the workload of manually switching each circuit to measure the direct resistance of a large amount of alternating current lines in the process of acceptance is huge.
Disclosure of Invention
In view of the above, the present invention provides a three-phase ac loop direct resistance full-automatic test recorder, so as to reduce the workload of the worker and improve the automation and intelligence of the three-phase ac loop direct resistance detection device.
In a first aspect, an embodiment of the present invention provides a three-phase ac loop direct resistance full-automatic test recorder, including:
the device comprises an automatic commutation module, an instruction control module, a storage module, a printing module, a direct resistance testing module and a quick judging module;
the storage module is used for storing the resistance value measured by the direct resistance testing module. The quick judging module is used for quickly judging whether the direct resistance is balanced or not and other basic indexes.
Preferably, the instruction control module comprises a single chip microcomputer.
Preferably, the model of the single chip microcomputer is GD32F130C8T 6.
The embodiment of the invention has the following beneficial effects: the invention provides a three-phase alternating current loop direct resistance full-automatic test recorder, which comprises: the device comprises an automatic commutation module, an instruction control module, a storage module, a printing module, a direct resistance testing module and a quick judging module; the storage module is used for storing the resistance value measured by the direct resistance testing module, and the quick judging module is used for quickly judging basic indexes such as whether the direct resistance is balanced or not. The three-phase alternating current circuit direct resistance full-automatic test recorder provided by the invention can reduce the workload of workers and improve the automation and intelligence degree of alternating current circuit direct resistance detection equipment.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a structural diagram of a three-phase ac loop direct resistance full-automatic test recorder according to an embodiment of the present invention.
Fig. 2 is a connection diagram of a commutation module of a three-phase ac loop direct-resistance fully automatic test recorder according to an embodiment of the present invention.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
At present, direct resistance detection of AN alternating current loop in a secondary acceptance stage of a transformer substation is AN important detection item, and the direct resistance, manual reading, manual data recording and manual data judgment correctness among AB, BC, CA, AN, BN and CN are measured respectively by repeatedly and manually switching loops in a three-phase alternating current loop. The repetitive manual switching of each loop and the recording and judging work properties are simple and repetitive, but are extremely time-consuming and labor-consuming. Because the alternating current circuit has many wiring, including protection, standby, fault recording, measurement and control, kilowatt-hour meter, etc., the workload of manually switching each circuit to measure the direct resistance of a large amount of alternating current lines in the process of acceptance is huge. In order to reduce the workload of workers and improve the automation and intelligence degree of equipment, the three-phase alternating-current loop direct resistance full-automatic test recorder provided by the embodiment of the invention can reduce the workload of workers and improve the automation and intelligence degree of alternating-current loop direct resistance detection equipment.
In order to facilitate understanding of the embodiment, first, a fully automatic test recorder for direct resistance of a three-phase ac circuit disclosed in the embodiment of the present invention is described in detail.
The first embodiment is as follows:
the embodiment of the invention provides a three-phase alternating current loop direct resistance full-automatic test recorder, which comprises:
the device comprises an automatic commutation module, an instruction control module, a storage module, a printing module, a direct resistance testing module and a quick judging module;
the storage module is used for storing the resistance value measured by the direct resistance testing module. The quick judging module is used for quickly judging whether the direct resistance is balanced or not and other basic indexes.
Preferably, the instruction control module comprises a single chip microcomputer.
Preferably, the model of the single chip microcomputer is GD32F130C8T 6.
Further, the automatic commutation module switches phases according to the instruction sent by the instruction module, and the AN, the BN, the CN, the AB, the BC and the CA are respectively conducted during the working period;
the storage module is used for storing the direct resistance test result;
the printing module is used for printing the direct resistance test result.
Unless specifically stated otherwise, the relative steps, numerical expressions, and values of the components and steps set forth in these embodiments do not limit the scope of the present invention.
In addition, in the description of the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Finally, it should be noted that: the above-mentioned embodiments are only specific embodiments of the present invention, which are used for illustrating the technical solutions of the present invention and not for limiting the same, and the protection scope of the present invention is not limited thereto, although the present invention is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: any person skilled in the art can modify or easily conceive the technical solutions described in the foregoing embodiments or equivalent substitutes for some technical features within the technical scope of the present disclosure; such modifications, changes or substitutions do not depart from the spirit and scope of the embodiments of the present invention, and they should be construed as being included therein. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (3)
1. The utility model provides a three-phase alternating current return circuit is directly hindered full-automatic test record appearance which characterized in that includes:
the device comprises an automatic commutation module, an instruction control module, a storage module, a printing module, a direct resistance testing module and a quick judging module;
the storage module is used for storing the resistance value measured by the direct resistance testing module,
the fast judging module is used for fast judging whether the direct resistance is balanced.
2. The three-phase alternating current circuit direct resistance full-automatic test recorder according to claim 1, wherein the instruction control module comprises a single chip microcomputer.
3. The full-automatic test recorder of three-phase alternating current return circuit direct resistance of claim 1, characterized in that, the model of singlechip is GD32F130C8T 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011351350.4A CN112415271A (en) | 2020-11-26 | 2020-11-26 | Three-phase AC loop direct resistance full-automatic test recorder |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011351350.4A CN112415271A (en) | 2020-11-26 | 2020-11-26 | Three-phase AC loop direct resistance full-automatic test recorder |
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| CN112415271A true CN112415271A (en) | 2021-02-26 |
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| CN202011351350.4A Pending CN112415271A (en) | 2020-11-26 | 2020-11-26 | Three-phase AC loop direct resistance full-automatic test recorder |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113866680A (en) * | 2021-09-14 | 2021-12-31 | 国网天津市电力公司 | Intelligent tester for AC loop group |
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|---|---|---|---|---|
| JP2002323517A (en) * | 2001-04-26 | 2002-11-08 | Mitsubishi Electric Corp | Three-phase ac voltage measuring instrument three- phase ac quantity of electricity measuring instrument and three-phase ac voltage processing circuit |
| CN203849330U (en) * | 2014-05-27 | 2014-09-24 | 国家电网公司 | DC (direct current) resistance measuring instrument for AC (alternating current) loop |
| CN106033891A (en) * | 2015-03-20 | 2016-10-19 | 中国电力科学研究院 | Parallel online automatic commutation device of low-voltage load and operation method of commutation device |
| CN207215903U (en) * | 2016-11-15 | 2018-04-10 | 保定市力兴电子设备有限公司 | A kind of DCR of Transformer and transformer voltage ratio group tester |
| CN109490634A (en) * | 2018-09-29 | 2019-03-19 | 国网辽宁省电力有限公司抚顺供电公司 | Intelligent transformer D.C. resistance test device and test method |
| CN110806511A (en) * | 2019-10-22 | 2020-02-18 | 阳江核电有限公司 | Three-phase direct resistance automatic test method and system for on-load tap changing transformer |
| CN111257645A (en) * | 2020-04-02 | 2020-06-09 | 华电邹县发电有限公司 | Device and method for testing direct current resistance of auxiliary contact of high-voltage and low-voltage circuit breakers |
| CN217060342U (en) * | 2020-11-26 | 2022-07-26 | 国网天津市电力公司 | Three-phase AC loop direct resistance full-automatic test recorder |
-
2020
- 2020-11-26 CN CN202011351350.4A patent/CN112415271A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002323517A (en) * | 2001-04-26 | 2002-11-08 | Mitsubishi Electric Corp | Three-phase ac voltage measuring instrument three- phase ac quantity of electricity measuring instrument and three-phase ac voltage processing circuit |
| CN203849330U (en) * | 2014-05-27 | 2014-09-24 | 国家电网公司 | DC (direct current) resistance measuring instrument for AC (alternating current) loop |
| CN106033891A (en) * | 2015-03-20 | 2016-10-19 | 中国电力科学研究院 | Parallel online automatic commutation device of low-voltage load and operation method of commutation device |
| CN207215903U (en) * | 2016-11-15 | 2018-04-10 | 保定市力兴电子设备有限公司 | A kind of DCR of Transformer and transformer voltage ratio group tester |
| CN109490634A (en) * | 2018-09-29 | 2019-03-19 | 国网辽宁省电力有限公司抚顺供电公司 | Intelligent transformer D.C. resistance test device and test method |
| CN110806511A (en) * | 2019-10-22 | 2020-02-18 | 阳江核电有限公司 | Three-phase direct resistance automatic test method and system for on-load tap changing transformer |
| CN111257645A (en) * | 2020-04-02 | 2020-06-09 | 华电邹县发电有限公司 | Device and method for testing direct current resistance of auxiliary contact of high-voltage and low-voltage circuit breakers |
| CN217060342U (en) * | 2020-11-26 | 2022-07-26 | 国网天津市电力公司 | Three-phase AC loop direct resistance full-automatic test recorder |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113866680A (en) * | 2021-09-14 | 2021-12-31 | 国网天津市电力公司 | Intelligent tester for AC loop group |
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