CN113933633A - Detection apparatus for power plug-in components - Google Patents
Detection apparatus for power plug-in components Download PDFInfo
- Publication number
- CN113933633A CN113933633A CN202111197277.4A CN202111197277A CN113933633A CN 113933633 A CN113933633 A CN 113933633A CN 202111197277 A CN202111197277 A CN 202111197277A CN 113933633 A CN113933633 A CN 113933633A
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- power supply
- assembly
- electrically connected
- controller
- plug
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- 238000001514 detection method Methods 0.000 title claims abstract description 15
- 238000012360 testing method Methods 0.000 claims abstract description 29
- 238000005070 sampling Methods 0.000 claims abstract description 17
- 230000017525 heat dissipation Effects 0.000 claims description 4
- 230000005856 abnormality Effects 0.000 claims description 2
- 239000003990 capacitor Substances 0.000 abstract description 5
- 239000000463 material Substances 0.000 abstract description 4
- 230000007547 defect Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract 1
- 230000005855 radiation Effects 0.000 description 4
- 230000002159 abnormal effect Effects 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003862 health status Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 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
- 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
- G01R31/003—Environmental or reliability tests
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- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Electric Properties And Detecting Electric Faults (AREA)
Abstract
The invention relates to the technical field of relay protection, in particular to a detection device for a power supply plug-in, which comprises a shell, wherein a mounting hole is formed in the shell; a power supply assembly, a testing assembly, a sampling assembly and a controller are arranged in the shell; the power supply assembly, the testing assembly and the sampling assembly are electrically connected to the controller; the test assembly is provided with a measuring end, the measuring end is electrically connected with the power plug-in unit, and the measuring end is exposed out of the mounting hole; the sampling assembly is used for collecting the electrical parameters of the power supply plug-in; the testing component and the sampling component are respectively electrically connected with the power supply component, and the controller is electrically connected with the power supply component, the testing component and the sampling component. The method has the advantages that the modeling of the health state of the power plug-in is completed by estimating the ESR output data of the capacitor of the fault power supply plate and the power output value, the working health state of the electromechanical protection equipment can be pre-judged in advance, the major defect of the relay protection equipment is prevented, and manpower and material resources are saved.
Description
Technical Field
The invention relates to the field of relay protection, in particular to a detection device for a power supply plug-in unit.
Background
The relay protection device is a key device for ensuring safe operation of a power grid, and data statistics shows that the operation faults of the protection device caused by the faults of the power supply plug-in of the device account for 80% of all the faults of the relay protection device, namely the faults of the power supply plug-in are main reasons for the faults of the relay protection device; the main reason for the failure of the power supply plug-in unit of the protection device is the aging failure of electrical elements after the equipment runs for a long time, the current measure for preventing the failure is to regularly replace the power supply plug-in unit of the protection device, and the period for replacing the power supply plug-in unit of the Guangdong power grid is 8 years.
At present, the regular state of the power supply plug-in is not detected, the health state of the power supply plug-in is lack of effective monitoring, so that the protection device is easy to break down due to unqualified health state of the power supply plug-in, the safe operation of a power grid is further influenced, meanwhile, the rush-repair operation of personnel in a relay protection team is also increased, and manpower and material resources are consumed.
Disclosure of Invention
The invention provides a detection device of a power supply plug-in, which can realize automatic detection of the health state of the power supply plug-in.
In order to achieve the purpose, the invention provides the following technical scheme:
a detection device for a power supply plug-in comprises a shell, wherein a mounting hole is formed in the shell;
a power supply assembly, a testing assembly, a sampling assembly and a controller are arranged in the shell;
the power supply assembly, the testing assembly and the sampling assembly are electrically connected to the controller;
the test assembly is provided with a measuring end, the measuring end is electrically connected with the power plug-in, and the measuring end is exposed out of the mounting hole;
the sampling assembly is used for collecting the electrical parameters of the power supply plug-in;
preferably, the shell is internally provided with a driving assembly fixedly connected with the driving assembly and the power supply assembly, the driving assembly is used for driving the power supply assembly to supply power and driving the testing assembly to work, and the driving assembly is electrically connected with the controller.
Preferably, the surface of the shell is provided with a display screen operation assembly, and the display screen operation assembly is electrically connected with the controller.
Preferably, a protection component is arranged in the shell, the protection component is electrically connected with the controller, and the protection component is used for receiving a control signal sent by the controller and disconnecting the power supply of the power supply component to the power supply plug-in unit when the control signal is abnormal.
Preferably, the surface of the shell is further provided with a warning lamp, and the warning lamp is electrically connected with the protection component.
Preferably, the bottom of the shell is provided with a heat radiation fan, and the heat radiation fan is electrically connected with the protection component.
Preferably, a current control knob and a power switch are fixedly mounted on the surface of the housing, and the current control knob is electrically connected with the controller.
Compared with the prior art, the invention has the beneficial effects that:
firstly, connecting a testing end exposed out of a mounting hole with a power supply plug-in, enabling a testing component to measure data of a power supply plug-in to be tested, converting the tested data into an electric signal, controlling a sampling component to collect electric parameters of the power supply plug-in to be tested after a controller receives the electric signal, and judging the health state of the power supply plug-in according to the collected data;
the device has the advantages that the test object is the capacitor ESR equivalent series resistance data of the power supply plate and the output voltage value of the power supply plate, the big data statistics and reference are carried out through the estimation of the capacitor ESR output data and the power output value of the fault power supply plate, the EDA-based power supply overall health state assessment technology is adopted, the power supply plug-in health state modeling is completed, the working health state of the electrical protection equipment can be judged in advance, the major defect of the relay protection equipment is prevented, and manpower and material resources are saved.
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 only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a schematic structural diagram of a detection apparatus for a power plug-in according to an embodiment of the present invention.
And (3) iconic marking: the device comprises a shell 1, a mounting hole 2, a power supply assembly 3, a testing assembly 4, a sampling assembly 5, a controller 6, a driving assembly 7, an alarm lamp 8, a heat dissipation fan 9, a current control knob 10, a power switch 11 and a display screen operating assembly 12.
Detailed Description
In order to make the objects, features and advantages of the present invention more obvious and understandable, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the embodiments described below are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present.
Furthermore, the terms "long", "short", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention, but do not indicate or imply that the referred devices or elements must have the specific orientations, be configured to operate in the specific orientations, and thus are not to be construed as limitations of the present invention.
The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.
Referring to fig. 1, the detection device for the power supply plug-in comprises a shell 1, wherein a mounting hole 2 is formed in the shell 1;
a power supply assembly 3, a testing assembly 4, a sampling assembly 5 and a controller 6 are arranged in the shell 1;
the power supply assembly 3, the testing assembly 4 and the sampling assembly 5 are electrically connected to the controller 6;
the test component 4 is provided with a measuring end which is electrically connected with the power plug-in and is exposed out of the mounting hole 2;
the sampling component 5 is used for collecting the electrical parameters of the power supply plug-in;
specifically, firstly, a testing end exposed in the mounting hole 2 is connected with a power supply plug-in, the testing component 4 can measure data of the power supply plug-in to be tested, then the tested data is converted into an electric signal, after the controller 6 receives the electric signal, the sampling component 5 is controlled to collect electrical parameters of the power supply plug-in to be tested, and then the health state of the power supply plug-in is judged according to the collected data;
the device has the advantages that the test object is the capacitor ESR equivalent series resistance data of the power supply plate and the output voltage value of the power supply plate, the big data statistics and reference are carried out through the estimation of the capacitor ESR output data and the power output value of the fault power supply plate, the EDA-based power supply overall health state assessment technology is adopted, the power supply plug-in health state modeling is completed, the working health state of the electrical protection equipment can be judged in advance, the major defect of the relay protection equipment is prevented, and manpower and material resources are saved.
Furthermore, a driving assembly 7 fixedly connected with the driving assembly 7 and the power supply assembly 3 is further arranged in the shell 1, the driving assembly 7 is used for driving the power supply assembly 3 to supply power and driving the testing assembly 4 to work, and the driving assembly 7 is electrically connected with the controller 6. Specifically, the controller 6 can control the driving module 7 to drive the power supply module 3 and the testing module 4 to operate.
Preferably, a display screen operating component 12 is arranged on the surface of the housing 1, and the display screen operating component 12 is electrically connected with the controller 6. Specifically, the controller 6 can send the parameters of the health status of the power plug-in to the display screen operating component 12 for display, and the outside can issue control commands to the display screen operating component 12, and the control commands are transmitted to the controller 6 for further operation.
In this embodiment, a protection component is disposed in the casing 1, the protection component is electrically connected to the controller 6, and the protection component is configured to receive a control signal sent by the controller 6 and disconnect power supply from the power supply component 3 to the power supply plug-in unit in case of an abnormality. The surface of the shell 1 is also provided with an alarm lamp 8, and the alarm lamp 8 is electrically connected with the protection component. The bottom of the shell 1 is provided with a heat radiation fan 9, and the heat radiation fan 9 is electrically connected with the protection component. Specifically, when data is abnormal, the controller 6 controls the protection component to activate the alarm lamp 8 and the heat dissipation fan 9, and disconnects the power supply from the power supply component 3 to the power supply plug-in.
It should be noted that a current control knob 10 and a power switch 11 are fixedly mounted on the surface of the housing 1, and the current control knob 10 is electrically connected to the controller 6. Specifically, the current control knob 10 is twisted to a proper position according to the test requirement of the power supply plug-in, and the controller 6 controls the test assembly 4 to test the power supply plug-in after receiving the electric signal.
The above-mentioned embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (7)
1. A detection device of a power plug-in is characterized in that:
the device comprises a shell (1), wherein a mounting hole (2) is formed in the shell (1);
a power supply assembly (3), a testing assembly (4), a sampling assembly (5) and a controller (6) are arranged in the shell (1);
the power supply assembly (3), the testing assembly (4) and the sampling assembly (5) are electrically connected to the controller (6);
the test component (4) is provided with a measuring end, the measuring end is electrically connected with the power supply plug-in unit, and the measuring end is exposed out of the mounting hole (2);
the sampling assembly (5) is used for collecting the electrical parameters of the power supply plug-in unit.
2. The power supply plug-in detection device according to claim 1, wherein a driving assembly (7) fixedly connected with the test assembly (4) and the power supply assembly (3) is further arranged in the casing (1), the driving assembly (7) is used for driving the power supply assembly (3) to supply power and driving the test assembly (4) to operate, and the driving assembly (7) is electrically connected with the controller (6).
3. A power plug-in detection device according to claim 1, characterized in that the surface of the housing (1) is provided with a display screen operating assembly (12), and the display screen operating assembly (12) is electrically connected with the controller (6).
4. A device for detecting a power supply card according to claim 1, wherein a protection component is provided in the housing (1), the protection component is electrically connected to the controller (6), and the protection component is configured to receive a control signal from the controller (6) and to disconnect the power supply from the power supply module (3) to the power supply card in case of an abnormality.
5. A power supply plug-in detection device according to claim 4, characterized in that the surface of the shell (1) is further provided with a warning lamp (8), and the warning lamp (8) is electrically connected with the protection component.
6. A power supply plug-in detection device according to claim 5, characterized in that a heat dissipation fan (9) is arranged at the bottom of the casing (1), and the heat dissipation fan (9) is electrically connected with the protection component.
7. The power supply card detection device according to claim 1, wherein a current control knob (10) and a power switch (11) are fixedly mounted on the surface of the housing (1), and the current control knob (10) is electrically connected with the controller (6).
Priority Applications (1)
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CN202111197277.4A CN113933633A (en) | 2021-10-14 | 2021-10-14 | Detection apparatus for power plug-in components |
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CN202111197277.4A CN113933633A (en) | 2021-10-14 | 2021-10-14 | Detection apparatus for power plug-in components |
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CN202111197277.4A Pending CN113933633A (en) | 2021-10-14 | 2021-10-14 | Detection apparatus for power plug-in components |
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Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104330744A (en) * | 2014-09-19 | 2015-02-04 | 国家电网公司 | Power supply detector for detecting power supply plug-in of microcomputer protective device |
CN105068017A (en) * | 2015-07-10 | 2015-11-18 | 国家电网公司 | Method of testing performance of relay protection power supply plug-in |
CN106841882A (en) * | 2017-04-13 | 2017-06-13 | 国家电网公司 | The health status detection means and detection method of modified relay protecting power plug-in unit |
CN106872851A (en) * | 2017-04-13 | 2017-06-20 | 国家电网公司 | The health status detection means and detection method of new relay protecting power plug-in unit |
CN210109282U (en) * | 2019-05-16 | 2020-02-21 | 国网江苏省电力有限公司徐州供电分公司 | Monitoring alarm device of microcomputer protection power plug-in |
CN211505826U (en) * | 2019-12-05 | 2020-09-15 | 云南电网有限责任公司曲靖供电局 | Relay protection device power plug-in components fault detection device |
CN112557793A (en) * | 2020-12-04 | 2021-03-26 | 广东电网有限责任公司 | Power plug-in health state detection method and device and storage medium |
-
2021
- 2021-10-14 CN CN202111197277.4A patent/CN113933633A/en active Pending
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104330744A (en) * | 2014-09-19 | 2015-02-04 | 国家电网公司 | Power supply detector for detecting power supply plug-in of microcomputer protective device |
CN105068017A (en) * | 2015-07-10 | 2015-11-18 | 国家电网公司 | Method of testing performance of relay protection power supply plug-in |
CN106841882A (en) * | 2017-04-13 | 2017-06-13 | 国家电网公司 | The health status detection means and detection method of modified relay protecting power plug-in unit |
CN106872851A (en) * | 2017-04-13 | 2017-06-20 | 国家电网公司 | The health status detection means and detection method of new relay protecting power plug-in unit |
CN210109282U (en) * | 2019-05-16 | 2020-02-21 | 国网江苏省电力有限公司徐州供电分公司 | Monitoring alarm device of microcomputer protection power plug-in |
CN211505826U (en) * | 2019-12-05 | 2020-09-15 | 云南电网有限责任公司曲靖供电局 | Relay protection device power plug-in components fault detection device |
CN112557793A (en) * | 2020-12-04 | 2021-03-26 | 广东电网有限责任公司 | Power plug-in health state detection method and device and storage medium |
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