CN111352027A - Aerify cabinet circuit breaker insulation test device - Google Patents
Aerify cabinet circuit breaker insulation test device Download PDFInfo
- Publication number
- CN111352027A CN111352027A CN202010208895.3A CN202010208895A CN111352027A CN 111352027 A CN111352027 A CN 111352027A CN 202010208895 A CN202010208895 A CN 202010208895A CN 111352027 A CN111352027 A CN 111352027A
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- insulation
- gas
- insulating
- circuit breaker
- sleeve
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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
- G01R31/327—Testing of circuit interrupters, switches or circuit-breakers
-
- 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
- G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
- G01R31/1227—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials
- G01R31/1263—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials of solid or fluid materials, e.g. insulation films, bulk material; of semiconductors or LV electronic components or parts; of cable, line or wire insulation
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Gas-Insulated Switchgears (AREA)
- Testing Relating To Insulation (AREA)
Abstract
The insulation testing device for the circuit breaker of the gas-filled cabinet comprises a gas box, wherein a through hole is formed in the top of the gas box and is respectively led into an incoming line insulation sleeve and an outgoing line insulation sleeve; an insulating medium inlet is arranged on one side of the gas box, and a flange plate is arranged at the bottom of the gas box; the wire inlet insulating sleeve is connected with a first conductive spring, and the wire outlet insulating sleeve is connected with a second conductive spring; the inside of the air box is filled with insulating medium. When the device is used, the gas box is connected with the connection part of the insulation test equipment through the flange plate at the bottom, and is flexibly connected with the insulation test equipment through the first conductive spring and the second conductive spring on the incoming line insulation sleeve and the outgoing line insulation sleeve without opening the gas box for installation; then, the insulating medium is filled into the air box through the insulating medium inlet, the insulating test equipment introduces high voltage through the wire inlet insulating sleeve and is grounded through the wire outlet insulating sleeve, and therefore the test is completed. The application provides an insulation test device form is simple, use flexibility, convenient operation.
Description
Technical Field
The application relates to the technical field of power equipment, in particular to an insulation testing device for a circuit breaker of an air inflation cabinet.
Background
The electric inflatable cabinet is important electric equipment for opening, closing, controlling and protecting in an electric power system. The gas-filled cabinet is formed by combining measuring equipment, a circuit breaker, insulating gas and various protection devices, and is widely applied to places such as transformer substations, power plants and the like.
In practical application, the electric gas-filled cabinet needs to perform insulation test on the circuit breaker therein, and generally includes two modes of testing in the atmosphere by opening and testing by placing the circuit breaker in the gas-filled cabinet.
Because aerify cabinet circuit breaker compact structure, insulating distance is less, opens and takes place in the local flashover of circuit breaker and discharge easily because of breaking away from the gas-insulated environment in the atmosphere, is difficult to carry out insulation test and accepts, causes and accepts the difficulty. And install the circuit breaker and carry out insulation test to aerifing in the cabinet, in case the discovery aerifys that there is the office to put or insulating problem with the circuit breaker for the cabinet, need demolish the circuit breaker from aerifing the cabinet, the degree of difficulty is great, and labor efficiency is lower.
Disclosure of Invention
The application provides an aerify cabinet circuit breaker insulation test device to solve and aerify the cabinet circuit breaker and open in the atmosphere, insulation test checks and accepts the difficulty during withstand voltage experiment, and it is great to aerifing to carry out the insulation test degree of difficulty in the cabinet, and the lower problem of labor efficiency.
The technical scheme adopted by the application for solving the technical problems is as follows:
an insulation testing device for a gas-insulated switchgear circuit breaker comprises a gas tank, wherein the top of the gas tank is provided with a through hole for respectively leading in an incoming insulation sleeve and an outgoing insulation sleeve;
an insulating medium inlet is formed in one side of the air box, and a flange plate is arranged at the bottom of the air box;
the wire inlet insulating sleeve is connected with a first conductive spring, and the wire outlet insulating sleeve is connected with a second conductive spring;
the inside of the air box is filled with insulating medium.
Optionally, the insulating medium includes: insulating gas or insulating oil.
Optionally, one side of the air box, which is provided with the insulating medium inlet, is also provided with an insulating medium outlet.
Optionally, the other side of the air box is provided with an observation window.
Optionally, the flange is a detachable flange.
Optionally, a sealing ring is arranged between the flange plate and the air box.
The technical scheme provided by the application comprises the following beneficial technical effects:
the insulation testing device for the gas-insulated switchgear circuit breaker comprises a gas tank, wherein a through hole is formed in the top of the gas tank and is respectively led into an incoming line insulation sleeve and an outgoing line insulation sleeve; an insulating medium inlet is arranged on one side of the gas box, and a flange plate is arranged at the bottom of the gas box; the wire inlet insulating sleeve is connected with a first conductive spring, and the wire outlet insulating sleeve is connected with a second conductive spring; the inside of the air box is filled with insulating medium. When the device is used, the gas box is connected with the connection part of the insulation test equipment through the flange plate at the bottom, and is flexibly connected with the insulation test equipment through the first conductive spring and the second conductive spring on the incoming line insulation sleeve and the outgoing line insulation sleeve without opening the gas box for installation; then, the insulating medium is filled into the air box through the insulating medium inlet, the insulating test equipment introduces high voltage through the wire inlet insulating sleeve and is grounded through the wire outlet insulating sleeve, and therefore the insulating test is completed. The application provides an aerify cabinet circuit breaker insulation test device, the form is simple, use nimble, convenient operation, has solved and has aerifyd the cabinet circuit breaker and open in the atmosphere, and insulation test checks and accepts the difficulty during withstand voltage experiment, and it is great to carry out the insulation test degree of difficulty to aerify in the cabinet, and the lower problem of labor efficiency.
Drawings
In order to more clearly explain the technical solution of the present application, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious to those skilled in the art that other drawings can be obtained according to the drawings without any creative effort.
Fig. 1 is a schematic structural diagram of an insulation testing device for a gas-filled cabinet circuit breaker according to an embodiment of the present application;
fig. 2 is a schematic structural diagram of a charging cabinet circuit breaker according to an embodiment of the present application;
fig. 3 is a schematic structural diagram of an insulation testing device for a gas insulated switchgear circuit breaker provided in an embodiment of the present application in a testing state;
fig. 4 is a flowchart of an actual testing process provided in the embodiment of the present application.
Description of reference numerals:
101-incoming line insulating sleeve, 102-insulating medium inlet, 103-first conductive spring, 104-gas box, 105-insulating medium outlet, 106-outgoing line insulating sleeve, 107-observation window, 108-insulating medium, 109-second conductive spring, 110-sealing ring, 111-flange plate, 201-breaker incoming line terminal, 202-breaker pole, 203-breaker outgoing line terminal and 204-breaker operating mechanism.
Detailed Description
In order to make the technical solutions in the present application 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; it is to be understood that the embodiments described are only a few embodiments of the present application and 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.
Referring to fig. 1, fig. 1 is a schematic structural diagram of an insulation testing device for a circuit breaker of an inflatable cabinet according to an embodiment of the present disclosure, and as shown in fig. 1, the insulation testing device for a circuit breaker of an inflatable cabinet according to the embodiment of the present disclosure includes an air box 104, where a through hole is formed at the top of the air box 104 and is respectively led into an incoming insulation sleeve 101 and an outgoing insulation sleeve 106;
an insulating medium inlet 102 is arranged on one side of the air box 104, and a flange 111 is arranged at the bottom of the air box 104;
the incoming line insulating sleeve 101 is connected with a first conductive spring 103, the outgoing line insulating sleeve 106 is connected with a second conductive spring 109, and the conductive springs can ensure the electric connection between high voltage and a circuit breaker to be tested and are convenient to replace;
the inside of the gas tank 104 is filled with an insulating medium 108, so that the external insulation of the gas-filled tank circuit breaker is not damaged in the test process.
When the insulation testing device for the gas-filled cabinet circuit breaker provided by the embodiment of the application is used, firstly, the gas tank 104 is connected with the connection part of the insulation testing equipment through the flange 111 at the bottom, and flexibly connected with the insulation testing equipment through the first conductive spring 103 and the second conductive spring 109 on the inlet insulating sleeve 101 and the outlet insulating sleeve 106 without opening the gas tank 104 for installation; then, the inside of the air box 104 is filled with the insulating medium 108 through the insulating medium inlet 102, and the insulation test equipment introduces high voltage through the incoming line insulating sleeve 101 and is grounded through the outgoing line insulating sleeve 106, so that the insulation test is completed.
Optionally, the insulating medium 108 includes: insulating gas or insulating oil, in the insulation test of difference is experimental, need use different insulating medium, can select according to the demand of reality, do not do specific restriction in this application embodiment.
Optionally, the side of the gas tank 104 provided with the insulating medium inlet 102 is further provided with an insulating medium outlet 105, and the insulating medium inlet 102 and the insulating medium outlet 105 respectively correspond to filling and recovery valves of the insulating medium, so that complete recovery of the toxic insulating medium, such as SF6 gas, can be ensured.
Optionally, an observation window 107 is formed on the other side of the air box 104, so that the state of the test sample in the test can be observed conveniently.
Optionally, the flange 111 is a detachable flange, so that the test article can be conveniently replaced.
Optionally, a sealing ring 110 is disposed between the flange 111 and the gas box 104 to ensure sealing of the insulating medium in the gas box 104.
In order to make the technical solutions provided in the present application more clearly understood by those skilled in the art, a specific use method is further provided in the embodiments of the present application, as follows:
first, fig. 2 is a schematic structural diagram of a charging cabinet circuit breaker provided in the embodiment of the present application, and the charging cabinet circuit breaker includes a circuit breaker incoming terminal 201, a circuit breaker pole 202, a circuit breaker outgoing terminal 203, and a circuit breaker operating mechanism 204. The bottom of the breaker pole 202 is tightly connected with the detachable flange 111, and the sealing ring 110 ensures the sealing of the insulating medium.
Next, fig. 3 is a schematic structural diagram of the insulation testing device for the gas insulated switchgear circuit breaker provided in the embodiment of the present application in a testing state. When specifically using the cabinet circuit breaker that charges, the cabinet circuit breaker is aerifyd in the test and aerify cabinet circuit breaker insulation test device in this application embodiment through first conductive spring 103 and second conductive spring 109 flexible coupling, easy to assemble, dismantle, adjustment when guaranteeing that the sample electricity is connected. The flange 111 and the sealing ring 110 enable the bottom of the breaker pole 202 and the bottom of the gas tank 104 to be hermetically connected to form a closed environment, so that the filling of the insulating medium 108 is ensured.
Fig. 4 is a flowchart of an actual testing process provided in the embodiment of the present application. When the test is started, the gas-filled tank circuit breaker for the test in FIG. 2 is connected with the detachable flange 111 and the sealing ring 110, then is connected with the gas-filled tank circuit breaker insulation testing device in FIG. 1 to form the test state in FIG. 3, then the test is started, an insulation medium is filled in the insulation testing device through the insulation medium inlet 102, then a valve is closed to apply a test voltage, the state of a test sample and the phenomenon in the gas tank 104 are observed through the observation window 107, when the test is passed, the test is finished, the insulation medium is recovered through the insulation medium outlet 105, and the test sample is withdrawn; if the test fails, the test article is withdrawn for replacement and adjustment after the insulating medium is recovered through the insulating medium outlet 105, and the test is performed again.
The insulation testing device for the circuit breaker of the gas-filled cabinet is simple in form, flexible to use and convenient to operate. The difficult problem of aerify for the cabinet circuit breaker check and accept is solved, through fill into insulating medium 108 in gas tank 104, insulating test equipment passes through inlet wire insulation support 101 and introduces the high pressure, through the insulating support 106 ground connection of being qualified for the next round of competitions, the cabinet circuit breaker is aerifyd in the test passes through spring and insulating test equipment flexonics, need not to open gas tank 104 and install, be provided with observation window 107 on the gas tank 104 simultaneously, can monitor experimental overall process, insulating medium 108 access & exit is installed to gas tank 104, can accomplish filling and retrieving of insulating medium 108, can not cause environmental pollution.
It is noted that relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that an article or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The above description is merely exemplary of the present application and is presented to enable those skilled in the art to understand and practice the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
It will be understood that the present application is not limited to what has been described above and shown in the accompanying drawings, and that various modifications and changes can be made without departing from the scope thereof. The scope of the application is limited only by the appended claims.
Claims (6)
1. An insulation test device for a gas-insulated switchgear circuit breaker comprises a gas tank (104), and is characterized in that the top of the gas tank (104) is provided with a through hole for respectively leading in an incoming insulation sleeve (101) and an outgoing insulation sleeve (106);
an insulating medium inlet (102) is formed in one side of the air box (104), and a flange plate (111) is arranged at the bottom of the air box (104);
the wire inlet insulating sleeve (101) is connected with a first conductive spring (103), and the wire outlet insulating sleeve (106) is connected with a second conductive spring (109);
the air box (104) is filled with an insulating medium (108).
2. The gas filled cabinet circuit breaker insulation test device according to claim 1, wherein the insulation medium (108) comprises: insulating gas or insulating oil.
3. The gas insulated switchgear circuit breaker insulation test device according to claim 1, characterized in that the side of the gas tank (104) provided with the insulation medium inlet (102) is further provided with an insulation medium outlet (105).
4. The insulation testing device of the gas-filled cabinet circuit breaker according to claim 1, characterized in that the other side of the gas tank (104) is opened with a viewing window (107).
5. Gas insulated switchgear, circuit breaker insulation test unit according to claim 1, characterized in that the flange (111) is a detachable flange.
6. The insulation testing device of the gas-filled cabinet circuit breaker as recited in claim 1, characterized in that a sealing ring (110) is arranged between the flange (111) and the gas tank (104).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010208895.3A CN111352027A (en) | 2020-03-23 | 2020-03-23 | Aerify cabinet circuit breaker insulation test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010208895.3A CN111352027A (en) | 2020-03-23 | 2020-03-23 | Aerify cabinet circuit breaker insulation test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111352027A true CN111352027A (en) | 2020-06-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010208895.3A Pending CN111352027A (en) | 2020-03-23 | 2020-03-23 | Aerify cabinet circuit breaker insulation test device |
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| Country | Link |
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| CN (1) | CN111352027A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113325283A (en) * | 2021-05-26 | 2021-08-31 | 许继集团有限公司 | Aerify cabinet device for insulation test |
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| CN208767187U (en) * | 2018-08-07 | 2019-04-19 | 江苏森源电气股份有限公司 | Gas-filling cabinet vacuum circuit breaker special and three-station all-in-one machine |
| CN209086395U (en) * | 2018-08-27 | 2019-07-09 | 国网河南省电力公司电力科学研究院 | A kind of high-voltage circuit-breaker switching on-off imitative experimental appliance |
| CN110108990A (en) * | 2019-05-10 | 2019-08-09 | 沈阳工业大学 | A kind of experimental rig and method for environmental-protective gas-insulating performance study |
| CN110518485A (en) * | 2019-09-12 | 2019-11-29 | 宁波耐森电气科技有限公司 | A kind of gas-filling cabinet of special construction |
| CN110824202A (en) * | 2019-11-08 | 2020-02-21 | 许继集团有限公司 | Withstand voltage detection device of vacuum circuit breaker |
-
2020
- 2020-03-23 CN CN202010208895.3A patent/CN111352027A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208384081U (en) * | 2018-06-21 | 2019-01-15 | 沈阳工业大学 | A kind of experimental rig for the research of environment-friendly type gas arc extinction performance |
| CN208767187U (en) * | 2018-08-07 | 2019-04-19 | 江苏森源电气股份有限公司 | Gas-filling cabinet vacuum circuit breaker special and three-station all-in-one machine |
| CN209086395U (en) * | 2018-08-27 | 2019-07-09 | 国网河南省电力公司电力科学研究院 | A kind of high-voltage circuit-breaker switching on-off imitative experimental appliance |
| CN110108990A (en) * | 2019-05-10 | 2019-08-09 | 沈阳工业大学 | A kind of experimental rig and method for environmental-protective gas-insulating performance study |
| CN110518485A (en) * | 2019-09-12 | 2019-11-29 | 宁波耐森电气科技有限公司 | A kind of gas-filling cabinet of special construction |
| CN110824202A (en) * | 2019-11-08 | 2020-02-21 | 许继集团有限公司 | Withstand voltage detection device of vacuum circuit breaker |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113325283A (en) * | 2021-05-26 | 2021-08-31 | 许继集团有限公司 | Aerify cabinet device for insulation test |
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Application publication date: 20200630 |
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