CN215180649U - Portable insulation monitoring device experiment wire box - Google Patents
Portable insulation monitoring device experiment wire box Download PDFInfo
- Publication number
- CN215180649U CN215180649U CN202121624801.7U CN202121624801U CN215180649U CN 215180649 U CN215180649 U CN 215180649U CN 202121624801 U CN202121624801 U CN 202121624801U CN 215180649 U CN215180649 U CN 215180649U
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- monitoring device
- insulation monitoring
- experiment
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Abstract
The utility model relates to an insulation monitoring device experiment technical field, specifically speaking discloses a portable insulation monitoring device experiment line case, and it includes the line case body, this internal standing groove that is equipped with of line case is equipped with a plurality of experiment line in the standing groove, still is equipped with a plurality of in the standing groove and is used for the binding post that is connected with insulation monitoring device, binding post's in the standing groove specification diverse, and the both ends of experiment line are equipped with respectively and are used for going up the terminal that the socket is connected with binding post and direct current system insulation check gauge. The utility model discloses reduced the danger of live working when carrying out the insulation monitoring device experiment, the reduction of preferred experiment required time has improved insulation detection device experimental efficiency, has guaranteed direct current system safety and stability's operation.
Description
Technical Field
The utility model relates to an insulation monitoring device tests technical field, and specifically speaking relates to a portable insulation monitoring device experiment line case.
Background
The direct current insulation monitoring device is an important part of a direct current system, and insulation monitoring is used for detecting direct current bus grounding resistance, branch grounding resistance, power frequency alternating current channeling, branch balance grounding, direct current interelectrode channeling, alarming and fault recording, so that the effect of monitoring the stable operation of the direct current system in real time is achieved. According to the overhaul standard of a national grid direct-current power supply system, an insulation monitoring device experiment is performed on a direct-current insulation monitoring device in a transformer substation at least once every year so as to ensure that the insulation monitoring device can monitor data in real time. The insulation monitoring device can lose the on-line monitoring function to the direct current system in the experimental process, so the less the insulation monitoring device is used for the experimental time, the safer the direct current system is.
When the detection of the insulation monitoring device is carried out, the insulation monitoring device and the detection device are required to be connected through wiring, the existing wiring and terminals cannot adapt to ports and wiring modes of various insulation monitoring devices, the insulation monitoring device wiring terminals are required to be opened in an electrified mode when an interface and a wire are disconnected, the insulation monitoring device wiring terminals are required to be wrapped by insulation tapes, the opened wiring is directly connected with an operating direct-current system, and risks of short circuit and grounding are likely to occur.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model discloses a following technical scheme can solve:
the utility model provides a portable insulation monitoring device experiment line case, its includes the line case body, this internal standing groove that is equipped with of line case is equipped with a plurality of experiment line in the standing groove, still is equipped with a plurality of in the standing groove and is used for the binding post that is connected with insulation monitoring device, binding post's specification diverse in the standing groove, and the both ends of experiment line are equipped with respectively and are used for going up the terminal that the socket is connected with binding post and direct current system insulation check gauge.
The utility model discloses reduced the danger of live working when carrying out the insulation monitoring device experiment, the reduction of preferred experiment required time has improved insulation detection device experimental efficiency, has guaranteed direct current system safety and stability's operation.
Preferably, the test line includes a main cable, and two sub cables are connected to one end of the main cable.
The utility model discloses in, through the setting of two vice cables, can carry out two insulation monitoring device's experiments simultaneously to further promoted the detection efficiency to the insulation monitoring device in the transformer substation.
Preferably, the main cable is provided with a fuse.
The utility model discloses in, through the setting of fuse, the realization of preferred is to the protection of transformer substation's internal insulation monitoring devices and the insulating check gauge of direct current system.
Preferably, the connecting terminal comprises a rectangular mounting seat, a mounting seat through hole is formed in the mounting seat, and an insulating sleeve positioned at the mounting seat through hole is arranged on one end face of the mounting seat; be equipped with one-way open-ended connecting sleeve in the mount pad through-hole, connecting sleeve has electric conductivity, and insulating sleeve end is kept away from to connecting sleeve's opening orientation, and the protruding formation of conducting post in the last terminal surface center department that is close to insulating sleeve of connecting sleeve is to insulating sleeve.
The utility model discloses in, through the setting of binding post structure, comparatively convenient realization be connected between experiment line and the binding post.
Preferably, an external thread sleeve positioned at the through hole of the mounting seat is arranged on the end face, opposite to the end face where the insulating sleeve is positioned, of the mounting seat, a slidable connecting seat is arranged on the secondary cable, a connecting seat through hole in clearance fit with the secondary cable is arranged on the connecting seat, the end part, close to the binding post, of the inner wall of the connecting seat through hole is expanded outwards along the circumferential direction to form a thread mounting groove, a secondary cable flange positioned in the thread mounting groove is arranged at the end part, close to the binding post, of the secondary cable, the diameter of the secondary cable flange is smaller than that of the inner wall of the thread mounting groove, and the diameter of the secondary cable flange is larger than that of the through hole of the connecting seat; the thread mounting groove is internally provided with an internal thread matched with the external thread sleeve.
The utility model discloses in, through the cooperation between connecting seat and the external screw thread sleeve, avoid the terminal to drop from binding post to the promotion of preferred this portable insulation monitoring device experiment line case stability when using.
Preferably, the outer side wall of the connecting seat is provided with vertical stripes.
The utility model discloses in, through the setting of erecting the line, made things convenient for the user to twist and move the connecting seat.
Drawings
Fig. 1 is a schematic structural diagram of an experimental box of the portable insulation monitoring device in embodiment 1.
Fig. 2 is a cross-sectional view of the connection terminal of fig. 1.
Fig. 3 is a partial sectional view of the sub cable in embodiment 1.
Detailed Description
For a further understanding of the present invention, reference will be made to the following detailed description taken in conjunction with the accompanying drawings and examples. It is to be understood that the examples are illustrative of the invention only and are not limiting.
Example 1
As shown in fig. 1, the present embodiment provides a portable insulation monitoring device experiment cable box, which includes a cable box body 110, a placing groove 120 is provided in the cable box body 110, a plurality of experiment cables 130 are provided in the placing groove 120, each experiment cable 130 includes a main cable 131, one end of the main cable 131 is connected to two auxiliary cables 132, and a fuse 160 is provided on the main cable 131. The placing groove 120 is further provided with a plurality of wiring terminals 140 used for being connected with an insulation monitoring device, the specification of the wiring terminals 140 in the placing groove 120 is different, and two ends of the experiment line 130 are respectively provided with wiring terminals 150 used for being connected with the wiring terminals 140 and sockets on the direct-current system insulation calibrator.
When the portable insulation monitoring device experiment line box in this embodiment is used, take out experiment line 130 and binding post 140 from standing groove 120, be connected binding post 150 and binding post 140 on vice cable 132, later be connected binding post 140 with the interface on the insulation monitoring device, later insert the socket on the insulation check gauge of direct current system with binding post 150 on main cable 131 to direct current insulation monitoring device in the transformer substation carries out the measurement experiment. Because the wiring box body 110 is internally provided with the wiring terminals 140 with different specifications, the portable insulation monitoring device experiment wiring box can be better suitable for different wiring ports on different insulation monitoring devices, and compared with a mode of opening the wiring terminals of the insulation monitoring device and connecting the wiring ports, the portable insulation monitoring device experiment wiring box in the embodiment reduces the danger of live working, better reduces the required experiment time, improves the experiment efficiency of the insulation detection device, and ensures the safe and stable operation of a direct current system.
In the embodiment, three experimental lines 130 form one group, and the outer surface of each experimental line 130 is coated with different pigment layers, in the embodiment, the outer surface of each experimental line 130 is coated with red, black and green pigment layers; the experimental line 130 coated with the red pigment layer is used for realizing the wiring between the positive electrodes, the experimental line 130 coated with the black pigment layer is used for realizing the wiring between the negative electrodes, and the experimental line 130 coated with the green pigment layer is used for realizing the wiring between the ground terminals.
Wherein, through the setting of two vice cables 132, can carry out two insulation monitoring device's experiments simultaneously to the detection efficiency to the insulation monitoring device in the transformer substation has further been promoted.
The fuse 160 can fuse the experimental line 130 when the current in the experimental line 130 is too large, so that the insulation monitoring device in the transformer substation and the insulation calibrator of the direct current system are protected better.
Wherein, the setting of line case body 110 and standing groove 120 can be in putting into standing groove 120 with experiment line 130, binding post 140 after the experiment to convenient the accomodating and carrying to experiment line 130 and binding post 140.
As shown in fig. 2, the connection terminal 140 includes a mounting base 210 having a rectangular parallelepiped shape, a mounting base through hole 220 is formed in the mounting base 210, and an insulating sleeve 230 located at the mounting base through hole 220 is formed on one end surface of the mounting base 210; a connecting sleeve 240 with a one-way opening is arranged in the mounting seat through hole 220, the connecting sleeve 240 has electrical conductivity, the opening of the connecting sleeve 240 faces to the end far away from the insulating sleeve 230, and the end face center of the connecting sleeve 240 close to the insulating sleeve 230 protrudes into the insulating sleeve 230 to form a conductive column 250.
When the portable insulation monitoring device experiment line box in this embodiment is used, the binding post 150 on the auxiliary cable 132 is inserted into the connecting sleeve 240, the connection between the experiment line 130 and the binding post 140 is completed, and through the arrangement of the binding post 140 structure, the connection between the experiment line 130 and the binding post 140 is realized more conveniently. In this embodiment, the difference between the connection terminals 140 of different specifications is that the diameter of the insulating sleeve 230 is different, or the diameter of the conductive post 250 is different, or the cross-sectional shape is different, and the connection terminals 140 of different specifications are used for matching with the interfaces of the existing insulation monitoring devices of different models.
Referring to fig. 3, an end face of the mounting seat 210 opposite to the end face of the insulating sleeve 230 is provided with an external threaded sleeve 260 located at the mounting seat through hole 220, the secondary cable 132 is provided with a slidable connecting seat 310, an outer side wall of the connecting seat 310 is provided with vertical threads 360, the connecting seat 310 is provided with a connecting seat through hole 320 in clearance fit with the secondary cable 132, an end portion of an inner wall of the connecting seat through hole 320, which is close to the terminal 150, is expanded outwards along the circumferential direction to form a threaded mounting groove 330, an end portion of the secondary cable 132, which is close to the terminal 150, is provided with a secondary cable flange 340 located in the threaded mounting groove 330, the diameter of the secondary cable flange 340 is smaller than that of the inner wall of the threaded mounting groove 330, and the diameter of the secondary cable flange 340 is larger than that of the connecting seat through hole 320; the thread mounting groove 330 is provided with an internal thread 350 which is matched with the external thread sleeve 260.
When the portable insulation monitoring device experiment line box in this embodiment is used, after inserting the terminal 150 into the connecting sleeve 240, move the connecting seat 310 to the terminal 150 end, then twist the connecting seat 310, screw the connecting seat 310 on the mounting seat 210 through the cooperation between the internal thread 350 and the external thread sleeve 260 in the thread mounting groove 330, avoid the terminal 150 to drop from the terminal 140 through the cooperation between the auxiliary cable flange 340 and the connecting seat through hole 220, thereby better improving the stability of the portable insulation monitoring device experiment line box when in use.
The arrangement of the vertical stripe 360 facilitates the user to screw the connecting seat 310, thereby facilitating the use of the user.
In short, the above description is only a preferred embodiment of the present invention, and all the equivalent changes and modifications made in accordance with the claims of the present invention should be covered by the scope of the present invention.
Claims (6)
1. Portable insulation monitoring device experiment line case, its characterized in that: the cable box comprises a cable box body (110), a placing groove (120) is arranged in the cable box body (110), a plurality of experiment cables (130) are arranged in the placing groove (120), a plurality of wiring terminals (140) used for being connected with an insulation monitoring device are further arranged in the placing groove (120), the specification of the wiring terminals (140) in the placing groove (120) is different, and wiring terminals (150) used for being connected with the wiring terminals (140) and sockets on a direct-current system insulation calibrator are respectively arranged at two ends of each experiment cable (130).
2. The portable insulation monitoring device experiment line box of claim 1, characterized in that: the experiment line (130) comprises a main cable (131), and one end part of the main cable (131) is connected with two auxiliary cables (132).
3. The portable insulation monitoring device experiment wire box of claim 2, characterized in that: a fuse (160) is provided on the main cable (131).
4. The portable insulation monitoring device experiment wire box of claim 2, characterized in that: the wiring terminal (140) comprises a rectangular mounting base (210), a mounting base through hole (220) is formed in the mounting base (210), and an insulating sleeve (230) located at the mounting base through hole (220) is arranged on one end face of the mounting base (210); a connecting sleeve (240) with a one-way opening is arranged in the mounting seat through hole (220), the connecting sleeve (240) has conductivity, the opening of the connecting sleeve (240) faces to the end far away from the insulating sleeve (230), and the end face center of the connecting sleeve (240) close to the insulating sleeve (230) protrudes towards the inside of the insulating sleeve (230) to form a conductive column (250).
5. The portable insulation monitoring device experiment wire box of claim 4, characterized in that: an external thread sleeve (260) located at a mounting seat through hole (220) is arranged on the end face, opposite to the end face where the insulating sleeve (230) is located, of the mounting seat (210), a slidable connecting seat (310) is arranged on the auxiliary cable (132), a connecting seat through hole (320) in clearance fit with the auxiliary cable (132) is arranged on the connecting seat (310), the end portion, close to the wiring terminal (150), of the inner wall of the connecting seat through hole (320) is expanded outwards along the circumferential direction to form a thread mounting groove (330), an auxiliary cable flange (340) located in the thread mounting groove (330) is arranged on the end portion, close to the wiring terminal (150), of the auxiliary cable (132), the diameter of the auxiliary cable flange (340) is smaller than that of the inner wall of the thread mounting groove (330), and the diameter of the auxiliary cable flange (340) is larger than that of the connecting seat through hole (320); the thread mounting groove (330) is internally provided with an internal thread (350) matched with the external thread sleeve (260).
6. The portable insulation monitoring device experiment line box of claim 1, characterized in that: the outer side wall of the connecting seat (310) is provided with vertical stripes (360).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121624801.7U CN215180649U (en) | 2021-07-16 | 2021-07-16 | Portable insulation monitoring device experiment wire box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121624801.7U CN215180649U (en) | 2021-07-16 | 2021-07-16 | Portable insulation monitoring device experiment wire box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215180649U true CN215180649U (en) | 2021-12-14 |
Family
ID=79395682
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121624801.7U Expired - Fee Related CN215180649U (en) | 2021-07-16 | 2021-07-16 | Portable insulation monitoring device experiment wire box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215180649U (en) |
-
2021
- 2021-07-16 CN CN202121624801.7U patent/CN215180649U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211214 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |