CN114062874B - Load insulation test leading-out device for reactor switch cabinet - Google Patents
Load insulation test leading-out device for reactor switch cabinet Download PDFInfo
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- CN114062874B CN114062874B CN202111368491.1A CN202111368491A CN114062874B CN 114062874 B CN114062874 B CN 114062874B CN 202111368491 A CN202111368491 A CN 202111368491A CN 114062874 B CN114062874 B CN 114062874B
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- 238000009413 insulation Methods 0.000 title claims abstract description 89
- 238000012360 testing method Methods 0.000 title claims abstract description 72
- 239000004020 conductor Substances 0.000 claims description 26
- 238000001514 detection method Methods 0.000 claims description 20
- 238000000605 extraction Methods 0.000 claims description 18
- 239000012212 insulator Substances 0.000 claims description 8
- 230000005611 electricity Effects 0.000 description 10
- 238000000034 method Methods 0.000 description 4
- 238000007689 inspection Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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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
- G01R31/12—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
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
- G01R1/0416—Connectors, terminals
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/145—Indicating the presence of current or voltage
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Relating To Insulation (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Abstract
The invention discloses a load insulation test leading-out device for a reactor switch cabinet, which comprises a fixed box body, an outgoing line side contact arm assembly and an insulation test leading-out assembly, wherein the fixed box body is vertically arranged, and the fixed end of the outgoing line side contact arm assembly is fixedly connected with the first side surface of the fixed box body; the first end of the insulation test leading-out component is electrically connected with the outgoing line side contact arm component, the second end of the insulation test leading-out component is arranged in the accommodating cavity of the fixed box body, and the second side surface of the fixed box body is provided with a leading-out port for leading out the second end of the insulation test leading-out component; according to the invention, the outgoing line side contact arm assembly connected with the fixed box body is arranged and is connected with the outgoing line end of the switch, and then the outgoing line side contact arm assembly is led out through the insulation test leading-out assembly, so that insulation test can be performed on the load end without opening a cable chamber of the switch cabinet, and the operation panel is separated from the switch cabinet, so that danger is avoided.
Description
Technical Field
The invention relates to the field of detection of switch cabinets for nuclear reactors, in particular to a load insulation test lead-out device for a reactor switch cabinet.
Background
During the use of a nuclear reactor switchgear, load insulation testing and bus-bar electroscope are indispensable operations.
The insulation resistance measurement can be completed on site or at the switch cabinet before power transmission is performed on the lower-level load of the switch cabinet, but because part of the load of the reactor is installed in a process room and the load insulation measurement frequency is high, the power transmission is performed at the switch cabinet usually, and the cable chamber of the switch cabinet needs to be opened to measure the insulation of the load and the cable at the cable connection part in order to reduce unnecessary personnel irradiation.
The cable chamber of the KYN28A-12 switch cabinet commonly used in the reactor is positioned behind the cabinet, a mechanical lock exists between a cable chamber door and a grounding switch, and the grounding switch is closed firstly to allow the cable chamber door to be opened, but the cable chamber door of the KYN28A-12 switch cabinet currently in use adopts a fixed installation structure and is fixed with the cabinet body through 6M 16 bolts, so that the disassembly and the assembly are complex, the assembly are completed by a plurality of persons, the time and the labor are consumed, and the load insulation test of the 12kV switch cabinet of the reactor is inconvenient.
And before the switch cabinet is overhauled, the bus electricity checking handcart is generally required to be used for checking electricity of the bus, but the electricity checking frequency of the switch cabinet is low, and the switch cabinet is independently provided with the electricity checking handcart, so that the space is occupied, and a certain degree of resource waste exists.
Disclosure of Invention
The invention aims to provide a load insulation test leading-out device for a reactor switch cabinet, which solves the problems of inconvenient insulation test and bus electricity test.
The invention is realized by the following technical scheme:
a load insulation test extraction apparatus for a reactor switchgear, comprising:
The fixing box body is vertically arranged and is provided with a first side surface and a second side surface which are vertically arranged, and a containing cavity is formed in the fixing box body;
The outgoing line side contact arm assembly is provided with a fixed end and a detection end, and the fixed end of the outgoing line side contact arm assembly is fixedly connected with the first side surface of the fixed box body;
The insulation test leading-out assembly is provided with a first end and a second end, the first end of the insulation test leading-out assembly is electrically connected with the outgoing line side contact arm assembly, the second end of the insulation test leading-out assembly is arranged in the accommodating cavity of the fixed box body, and the second side surface of the fixed box body is provided with a leading-out opening for leading out the second end of the insulation test leading-out assembly.
Preferably, a cover plate for closing the outlet is arranged at the outlet, the lower end of the cover plate is rotatably connected with the lower end of the outlet, and the upper end of the cover plate is detachably connected with the upper end of the outlet.
Specifically, the outgoing line side contact arm assembly includes:
Three outgoing line side conductor contacts, which are respectively contacted with A, B, C three-phase contacts on the outgoing line side of the switch cabinet;
An insulating support;
and the first ends of the three outgoing line side contact arms are fixedly connected with the three outgoing line side conductor contacts respectively, and the second ends of the three outgoing line side contact arms are fixedly connected with the first side surface of the fixed box body through the insulating support.
Further, the outgoing line side contact arm assembly further includes:
and the three outgoing line side contact arm insulating covers are respectively sleeved on the three outgoing line side contact arms.
Specifically, the insulation test extraction assembly includes:
the upper ends of the three vertical guide plates are fixedly connected with the three outgoing line side contact arms respectively;
The first ends of the three transverse guide plates are fixedly connected with the lower ends of the three vertical guide plates respectively;
and the three insulation detection lap joints are fixedly connected with the second ends of the three transverse guide plates respectively, and the insulation lap joints are fixedly arranged in the accommodating cavity of the fixed box body.
Further, the load insulation test leading-out device further includes:
The wire inlet side contact arm assembly is provided with a fixed end and a detection end, and the fixed end of the wire inlet side contact arm assembly is fixedly connected with the first side surface of the fixed box body;
The voltage detection assembly is fixedly arranged in the accommodating cavity of the fixed box body and is electrically connected with the incoming line side contact arm assembly;
The wire inlet side contact arm assembly is arranged above the wire outlet side contact arm assembly, and the distance between the wire inlet side contact arm assembly and the wire outlet side contact arm assembly is equal to the distance between the wire inlet end and the wire outlet end of the switch cabinet.
Specifically, the inlet wire side contact arm subassembly includes:
three incoming line side conductor contacts which are respectively contacted with A, B, C three-phase contacts on an incoming line side of the switch cabinet;
An insulator;
the first ends of the three incoming line side contact arms are fixedly connected with the three incoming line side conductor contacts respectively, and the second ends of the three incoming line side contact arms are fixedly connected with the first side surface of the fixed box body through the insulators;
and the three incoming line side contact arm insulation covers are respectively sleeved on the three incoming line side contact arms.
Specifically, the voltage detection assembly includes:
the display panel of the live display is fixedly arranged on the second side face of the fixed box body, and the live display is electrically connected with the incoming line side contact arm.
Still further, the load insulation test extraction device further includes:
And the movable assembly is fixedly connected with the lower end of the fixed box body.
Compared with the prior art, the invention has the following advantages and beneficial effects:
According to the invention, the outgoing line side contact arm assembly connected with the fixed box body is arranged and is connected with the outgoing line end of the switch, and then the outgoing line side contact arm assembly is led out through the insulation test leading-out assembly, so that insulation test can be performed on the load end without opening a cable chamber of the switch cabinet, and the operation panel is separated from the switch cabinet, so that danger is avoided.
Meanwhile, the incoming line side contact arm assembly and the voltage detection assembly are additionally arranged, so that busbar electricity inspection can be directly conducted through the device, and an electricity inspection vehicle does not need to be configured independently.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the invention and together with the description serve to explain the principles of the invention.
Fig. 1 is a side view of a load insulation test extraction device for a reactor switchgear according to the present invention.
Fig. 2 is a front view of a load insulation test lead-out device for a reactor switchgear according to the present invention.
Reference numerals: 1-fixed box, 11-outlet, 21-outgoing line side contact arm, 22-outgoing line side conductor contact, 23-insulating support, 31-vertical guide plate, 32-horizontal guide plate, 41-incoming line side contact arm, 42-incoming line side conductor contact, 43-insulator and 44-electrified display.
Detailed Description
The present invention will be described in further detail with reference to the drawings and embodiments, for the purpose of making the objects, technical solutions and advantages of the present invention more apparent. It is to be understood that the specific embodiments described herein are merely illustrative of the substances, and not restrictive of the invention.
It should be further noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.
Embodiments of the present invention and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
In the using process of the KYN28A-12 switch cabinet, load insulation test and bus electricity test are indispensable operations, and the load insulation test and bus electricity test operations are realized through the following examples.
Example 1
The embodiment is a load insulation test leading-out device for a reactor switch cabinet aiming at load insulation test, and comprises a fixed box body 1, an outgoing line side contact arm 21 assembly and an insulation test leading-out assembly.
The fixed box body 1 is vertically arranged, the fixed box body 1 is provided with a first side surface and a second side surface which are vertically arranged, and an accommodating cavity is formed in the fixed box body;
the second side of the stationary box 1 is provided as an operating panel, i.e. in use the operator faces the second side of the stationary box 1 and faces the first side of the stationary box 1 to the open switchgear.
Related equipment for insulation test can be loaded in the accommodating cavity, and other matched equipment can be installed.
The outgoing line side contact arm 21 assembly is provided with a fixed end and a detection end, and the fixed end of the outgoing line side contact arm 21 assembly is fixedly connected with the first side surface of the fixed box body 1;
The detection end of the outgoing line side contact arm 21 assembly is contacted with the outgoing line end which needs to be subjected to load insulation test, so that the purpose of electrically leading out the outgoing line end is achieved.
The insulation test leading-out assembly is provided with a first end and a second end, the first end of the insulation test leading-out assembly is electrically connected with the outgoing line side contact arm 21 assembly, the second end of the insulation test leading-out assembly is arranged in the accommodating cavity of the fixed box body 1, and the second side surface of the fixed box body 1 is provided with a leading-out opening 11 for leading out the second end of the insulation test leading-out assembly.
At this time, since the outgoing line side contact arm 21 assembly is connected with the first side surface of the fixed box body 1, the load insulation test cannot be performed, and by setting the insulation test outgoing assembly, the second end of the outgoing line side contact arm 21 assembly can be led to the outgoing port 11, and the load insulation test can be realized by operating at the outgoing port 11.
And because the outlet 11 is arranged on the second side surface of the fixed box body 1, namely the operation panel, an operator does not need to disassemble the rear door (namely the cable chamber) of the switch cabinet, and the load insulation test can be performed on the side of the operation panel, so that the process of the load insulation test of the switch cabinet can be simplified, a great amount of time can be saved, and the safety of personnel can be ensured.
In addition, in the above method, in order to further improve safety, a cover plate for closing the outlet 11 is provided at the outlet 11, and the height of the outlet 11 is about 10cm, the width of the outlet 11 should be able to expose the second end of the insulation test outlet assembly, and the height and width of the cover plate are similar to those of the outlet 11.
The lower end of the cover plate is rotatably connected with the lower end of the outlet 11, and the upper end of the cover plate is detachably connected with the upper end of the outlet 11.
When insulation test is needed, the cover plate is opened, and the cover plate is fixed with the second side of the fixed box body 1 by adopting screws or buckles, so that the use is convenient and reliable.
And for safety, the distance between the second end of the insulation test lead-out assembly and the cover plate is set to be about 4 cm.
Example two
The present embodiment describes the structure of the assembly of the wire-outlet side contact arm 21, which includes the wire-outlet side conductor contact 22, the insulating support 23, and the wire-outlet side contact arm 21.
The three outgoing line side conductor contacts 22 are respectively contacted with A, B, C three-phase contacts on the outgoing line side of the switch cabinet;
The first ends of the three outgoing line side contact arms 21 are fixedly connected with the three outgoing line side conductor contacts 22 respectively, and the second ends of the three outgoing line side contact arms 21 are fixedly connected with the first side surface of the fixed box body 1 through the insulating support 23.
The three outgoing line side contact arms 21 are respectively sleeved on the three outgoing line side contact arms 21 by insulating covers.
The first end of the outgoing line side contact arm 21 is a conductor contact, and is respectively used for connecting a load, namely an outgoing line side A, B, C three-phase contact, the second end of the outgoing line side contact arm 21 is fixed on the first side surface of the fixed box body 1 through an insulating support 23, and the periphery of each outgoing line side contact arm 21 is provided with an insulation cover of the outgoing line side contact arm 21, so that the insulation protection effect is achieved, the insulation performance of conductors and mechanical parts of the device is ensured to meet the use requirement, and the safety requirements of personnel and equipment for insulation test can be met when the incoming line side contact is electrified (rated voltage is 12 kV).
Example III
The structure of the insulation test leading-out assembly is described in this embodiment, which includes a vertical guide plate 31, a horizontal guide plate 32, and an insulation detecting lap joint
The upper ends of the three vertical guide plates 31 are fixedly connected with the three outgoing line side contact arms 21 respectively; the first ends of the three transverse guide plates 32 are fixedly connected with the lower ends of the three vertical guide plates 31 respectively;
namely, the vertical guide plate 31 and the horizontal guide plate 32 form three L-shaped structures.
The three insulation detection lap joints are fixedly connected with the second ends of the three transverse guide plates 32 respectively, and the insulation lap joints are fixedly arranged in the accommodating cavity of the fixed box body 1.
The insulation test leading-out assembly leads out insulation test lap joints towards the direction of operators, the distance from the insulation test lap joints to the cover plate of the operation panel is about 4cm, the copper conductor terminal test position (insulation test lap joint) adopts a rectangular busbar structure, the test clamp is convenient to clamp, insulation treatment is adopted at the middle position of the insulation test leading-out assembly, and the operators can perform insulation test on loads safely and reliably by utilizing an insulation tester to be connected with the insulation tester after the operators are grounded to release residual charges possibly existing.
Example IV
In the above embodiment, load insulation detection is realized, but bus electricity inspection is required before load insulation detection is performed, and the load insulation test extraction device in this embodiment further includes an incoming line side contact arm 41 assembly and a voltage detection assembly.
The incoming line side contact arm 41 assembly is provided with a fixed end and a detection end, and the fixed end of the incoming line side contact arm 41 assembly is fixedly connected with the first side surface of the fixed box body 1;
The incoming line side contact arm 41 assembly comprises an incoming line side conductor contact 42, an insulator 43, an incoming line side contact arm 41 and an incoming line side contact arm 41 insulating cover
The three incoming line side conductor contacts 42 are respectively contacted with A, B, C three-phase contacts on the incoming line side of the switch cabinet; the first ends of the three incoming line side contact arms 41 are fixedly connected with three incoming line side conductor contacts 42 respectively, and the second ends of the three incoming line side contact arms 41 are fixedly connected with the first side surface of the fixed box body 1 through insulators 43; the three wire-incoming side contact arms 41 are respectively sleeved with insulating covers.
The structure of the wire-incoming side contact arm is similar to that of the wire-outgoing side contact arm 21 assembly, except that the installation positions of the wire-incoming side contact arm 41 are different, the first ends of the wire-incoming side contact arms 41 are conductor contacts and are respectively used for connecting buses, namely wire-incoming side A, B, C three-phase contacts, the second ends of the wire-incoming side contact arms 41 are fixed on the first side face of the fixed box body 1 through insulators 43, and wire-incoming side contact arm 41 insulation covers are arranged on the periphery of each wire-incoming side contact arm 41 to play an insulation protection role, so that the insulation performance of conductors, conductors and mechanical parts of the device is guaranteed to meet the use requirement.
The voltage detection assembly is fixedly arranged in the accommodating cavity of the fixed box body 1 and is electrically connected with the incoming line side contact arm 41 assembly, and mainly comprises a charged display 44, a display panel of the charged display 44 is fixedly arranged on the second side surface of the fixed box body 1, and the charged display 44 is electrically connected with the incoming line side contact arm 41.
An electrified display 44 is arranged on the upper portion of the operation panel, a voltage sensor is arranged in the electrified display 44, the electrified display 44 can respectively indicate the electrified condition of the three-phase conductors on the bus, namely the incoming line side A, B, C, through the incoming line side contact arm 41 assembly and the bus, and the electrified conductors correspond to the indication lamps to be lighted.
The size of the fixed box 1 can be set to be equivalent to the size of a panel of the vacuum circuit breaker, namely, the upper part of an operation panel of the fixed box is provided with a live display 44, which can respectively indicate the live condition of three-phase conductors at the incoming line side A, B, C, and the live conductors are correspondingly lighted by an indicator lamp.
Therefore, when the installation of the incoming line side contact arm 41 assembly and the outgoing line side contact arm 21 assembly is performed, it is required to ensure that the incoming line side contact arm 41 assembly is disposed above the outgoing line side contact arm 21 assembly, and the distance between the incoming line side contact arm 41 assembly and the outgoing line side contact arm 21 assembly is equal to the distance between the incoming line end and the outgoing line end of the switch cabinet (i.e., corresponds to the bus bar end and the load end of the vacuum circuit breaker).
Example five
For the convenience to remove load insulation test extraction device, it still includes the removal subassembly.
The movable component is arranged at the bottom and can move inwards or outwards in the switch cabinet, and the movable component is fixedly connected with the lower end of the fixed box body 1.
The mobile assembly device of this embodiment type employs a cart type structure that needs to be matched with the KYN28A-12/31.5 switch cabinet cart compartment. When the device is in a working position, the incoming line side contact arm 41 component and the outgoing line side contact arm 21 component are respectively connected with the upper side static contact and the lower side static contact of a breaker in the switch cabinet, and are not connected in other positions, and the device can be rocked into and out of a handcart room of the switch cabinet through a crank control chassis (1).
In the description of the present specification, reference to the terms "one embodiment/manner," "some embodiments/manner," "example," "a particular example," "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment/manner or example is included in at least one embodiment/manner or example of the application. In this specification, the schematic representations of the above terms are not necessarily for the same embodiment/manner or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments/modes or examples. Furthermore, the various embodiments/modes or examples described in this specification and the features of the various embodiments/modes or examples can be combined and combined by persons skilled in the art without contradiction.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present application, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
It will be appreciated by persons skilled in the art that the above embodiments are provided for clarity of illustration only and are not intended to limit the scope of the invention. Other variations or modifications of the above-described invention will be apparent to those of skill in the art, and are still within the scope of the invention.
Claims (7)
1. A load insulation test extraction device for a reactor switchgear, comprising:
The fixing box body is vertically arranged and is provided with a first side surface and a second side surface which are vertically arranged, and a containing cavity is formed in the fixing box body;
The outgoing line side contact arm assembly is provided with a fixed end and a detection end, and the fixed end of the outgoing line side contact arm assembly is fixedly connected with the first side surface of the fixed box body;
the insulation test leading-out assembly is provided with a first end and a second end, the first end of the insulation test leading-out assembly is electrically connected with the outgoing line side contact arm assembly, the second end of the insulation test leading-out assembly is arranged in the accommodating cavity of the fixed box body, and the second side surface of the fixed box body is provided with a leading-out opening for leading out the second end of the insulation test leading-out assembly;
Wherein, the side of being qualified for next round of competitions touches arm assembly and includes:
Three outgoing line side conductor contacts, which are respectively contacted with A, B, C three-phase contacts on the outgoing line side of the switch cabinet;
An insulating support;
The first ends of the three outgoing line side contact arms are fixedly connected with the three outgoing line side conductor contacts respectively, and the second ends of the three outgoing line side contact arms are fixedly connected with the first side surface of the fixed box body through the insulating support;
The insulation test extraction assembly includes:
the upper ends of the three vertical guide plates are fixedly connected with the three outgoing line side contact arms respectively;
The first ends of the three transverse guide plates are fixedly connected with the lower ends of the three vertical guide plates respectively;
and the three insulation detection lap joints are fixedly connected with the second ends of the three transverse guide plates respectively, and are fixedly arranged in the accommodating cavity of the fixed box body.
2. The load insulation test extraction device for a reactor switch cabinet according to claim 1, wherein a cover plate for closing the extraction opening is arranged at the extraction opening, the lower end of the cover plate is rotatably connected with the lower end of the extraction opening, and the upper end of the cover plate is detachably connected with the upper end of the extraction opening.
3. The load insulation test extraction apparatus for a reactor switchgear of claim 1, wherein the outgoing side contact arm assembly further comprises:
and the three outgoing line side contact arm insulating covers are respectively sleeved on the three outgoing line side contact arms.
4. The load insulation test extraction apparatus for a reactor switchgear as claimed in claim 1, further comprising:
The wire inlet side contact arm assembly is provided with a fixed end and a detection end, and the fixed end of the wire inlet side contact arm assembly is fixedly connected with the first side surface of the fixed box body;
The voltage detection assembly is fixedly arranged in the accommodating cavity of the fixed box body and is electrically connected with the incoming line side contact arm assembly;
The wire inlet side contact arm assembly is arranged above the wire outlet side contact arm assembly, and the distance between the wire inlet side contact arm assembly and the wire outlet side contact arm assembly is equal to the distance between the wire inlet end and the wire outlet end of the switch cabinet.
5. The load insulation test extraction apparatus for a reactor switchgear of claim 4, wherein said incoming side contact arm assembly comprises:
three incoming line side conductor contacts which are respectively contacted with A, B, C three-phase contacts on an incoming line side of the switch cabinet;
An insulator;
the first ends of the three incoming line side contact arms are fixedly connected with the three incoming line side conductor contacts respectively, and the second ends of the three incoming line side contact arms are fixedly connected with the first side surface of the fixed box body through the insulators;
and the three incoming line side contact arm insulation covers are respectively sleeved on the three incoming line side contact arms.
6. The load insulation test extraction apparatus for a reactor switchgear of claim 5, wherein said voltage detection assembly comprises:
the display panel of the live display is fixedly arranged on the second side face of the fixed box body, and the live display is electrically connected with the incoming line side contact arm.
7. The load insulation test extraction apparatus for a reactor switchgear as claimed in claim 1, further comprising:
And the movable assembly is fixedly connected with the lower end of the fixed box body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111368491.1A CN114062874B (en) | 2021-11-18 | 2021-11-18 | Load insulation test leading-out device for reactor switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111368491.1A CN114062874B (en) | 2021-11-18 | 2021-11-18 | Load insulation test leading-out device for reactor switch cabinet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114062874A CN114062874A (en) | 2022-02-18 |
| CN114062874B true CN114062874B (en) | 2024-05-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111368491.1A Active CN114062874B (en) | 2021-11-18 | 2021-11-18 | Load insulation test leading-out device for reactor switch cabinet |
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| CN114062874A (en) | 2022-02-18 |
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