CN216285566U - TEV formula cubical switchboard partial discharge monitoring devices - Google Patents
TEV formula cubical switchboard partial discharge monitoring devices Download PDFInfo
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- CN216285566U CN216285566U CN202122975817.9U CN202122975817U CN216285566U CN 216285566 U CN216285566 U CN 216285566U CN 202122975817 U CN202122975817 U CN 202122975817U CN 216285566 U CN216285566 U CN 216285566U
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Abstract
The utility model discloses a TEV (transient enhanced voltage) type switch cabinet partial discharge monitoring device which comprises an installation base and an upper shell, wherein the installation base is provided with a detection through hole, a transient earth electric wave sensor penetrates through the detection through hole and is connected with a frequency reduction circuit board through an elastic telescopic mechanism, and the frequency reduction circuit board is fixed on the installation base; the display panel, the CPU circuit board and the power panel are arranged in the upper shell, a signal plug of the frequency reduction circuit board is connected with a first signal socket of the CPU circuit board, the power panel is fixedly connected with the CPU circuit board through a fixing clamping piece, the CPU circuit board is connected with the display panel through the fixing clamping piece, the display panel is fixed in the upper shell, and the frequency reduction circuit board and the CPU circuit board are connected with the power panel through an elastic contact mechanism; the outer side of the upper shell is connected with a protection plate in a sliding mode. Adopt the partial discharge monitoring devices of TEV formula cubical switchboard of above-mentioned structure, it is reliable with equipment shell contact to make electric wave sensor and equipment shell contact in transient state through elastic telescoping mechanism to it is safe in utilization.
Description
Technical Field
The utility model relates to the technical field of power system detection, in particular to a TEV type switch cabinet partial discharge monitoring device.
Background
The normal operation of the electrical equipment in the power system ensures the normal operation of the power system. Therefore, sensors for monitoring, such as switch cabinets and GIS equipment, are required to be installed on the electrical equipment. The partial discharge is one of the faults caused by the defects of the electrical high-voltage insulation system of a user, the prior art adopts the transient ground electric wave sensor to be in contact with the equipment shell to monitor the partial discharge and is arranged in the monitoring device, so that the transient ground electric wave sensor cannot be in contact with the equipment shell easily in the installation process, the monitoring is unreliable, or the repeated adjustment and installation are needed, and the operation is very inconvenient.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a TEV type switch cabinet partial discharge monitoring device, which enables a transient electric wave sensor to be reliably contacted with an equipment shell through an elastic telescopic mechanism and is safe to use.
In order to achieve the purpose, the utility model provides a TEV type switch cabinet partial discharge monitoring device which comprises an installation base and an upper shell, wherein a pressing plate fixing groove and a detection through hole are formed in the installation side of the installation base;
the display panel, the CPU circuit board and the power panel are arranged in the upper shell, a through hole is formed in the middle of the power panel, a signal plug of the frequency reduction circuit board penetrates through the through hole to be connected with a first signal socket of the CPU circuit board, the power panel is fixedly connected with the CPU circuit board through a fixing clamp, the CPU circuit board is connected with the display panel through the fixing clamp and a second signal socket, the display panel is fixedly connected to the inner side of the upper shell through a screw, and the frequency reduction circuit board and the CPU circuit board are both connected with the power panel through an elastic contact mechanism;
and the outer side of the upper shell is slidably connected with a protection plate.
Preferably, the elastic telescopic mechanism comprises a plurality of telescopic springs and a guide pipe, the guide pipe is in threaded connection with the frequency reduction circuit board, one end of each telescopic spring is fixedly connected with the frequency reduction circuit board, the other end of each telescopic spring is fixedly connected with the transient earth electric wave sensor, and the transient earth electric wave sensor is electrically connected with the frequency reduction circuit board through a wire.
Preferably, a pressure plate is fixed in the pressure plate fixing groove through a screw.
Preferably, the elastic contact mechanism includes a contact spring and contact electrodes fixed to both ends of the contact spring.
Preferably, the fixed clamping part comprises a clamping part and a connecting part which are integrally arranged, a threaded connecting groove is formed in the connecting part, and the clamping part is provided with at least two elastic clamping plates.
Therefore, the partial discharge monitoring device of the TEV type switch cabinet adopting the structure has the following beneficial effects:
(1) transient state ground electric wave sensor bottom is connected with the circuit board that reduces the frequency through elasticity telescopic machanism for transient state ground electric wave sensor is reliable with the contact of equipment casing, the installation of being convenient for, when not using, protects transient state ground electric wave sensor through the clamp plate simultaneously.
(2) The power panel is in contact power supply through the elastic contact mechanism, and the power supply is reliable and convenient to install.
(3) And all parts of circuits are connected and fixed through the clamping piece, so that the disassembly and the maintenance are convenient.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
Drawings
Fig. 1 is a schematic structural diagram of a partial discharge monitoring device of a TEV-type switch cabinet according to the present invention;
FIG. 2 is a schematic view of a partial structure of the present invention;
FIG. 3 is a schematic view of the fixing clip of the present invention;
FIG. 4 is a front view of an partial discharge monitoring device of a TEV type switch cabinet according to the present invention;
reference numerals
1. Installing a base; 101. a pressing plate fixing groove; 2. an upper housing; 3. a transient earth-electric wave sensor; 4. an elastic telescopic mechanism; 401. a tension spring; 402. a guide tube; 5. a frequency reduction circuit board; 501. a signal plug; 6. a power panel; 7. fixing the clamping piece; 701. a clamping part; 702. a connecting portion; 8. a CPU circuit board; 801. a first signal receptacle; 802. a second signal receptacle; 9. a display panel; 10. an elastic contact mechanism; 1001. a contact spring; 1002. a contact electrode; 11. and (7) pressing a plate.
Detailed Description
Examples
Fig. 1 is a schematic structural view of a TEV type switch cabinet partial discharge monitoring device of the present invention, fig. 2 is a schematic partial structural view of the present invention, fig. 3 is a schematic structural view of a fixing clip of the present invention, fig. 4 is a front view of a TEV type switch cabinet partial discharge monitoring device of the present invention, and as shown in the figure, a TEV type switch cabinet partial discharge monitoring device includes a mounting base 1 and an upper housing 2.
Installation base 1's installation side is opened and is equipped with clamp plate fixed slot 101 and detection through-hole, it is provided with electric wave sensor 3 on the transient state in the detection through-hole, 3 bottoms on the electric wave sensor on the transient state are connected with circuit board 5 that reduces the frequency through elastic telescopic mechanism 4, elastic telescopic mechanism 4 includes a plurality of expanding spring 401 and stand pipe 402, stand pipe 402 and circuit board 5 threaded connection that reduces the frequency, a plurality of expanding spring 401 one end and circuit board 5 fixed connection that reduces the frequency, a plurality of expanding spring 401 other ends and electric wave sensor 3 fixed connection on the electric wave sensor on the transient state, electric wave sensor 3 is connected with circuit board 5 electricity that reduces the frequency through the wire on the wire, circuit board 5 is fixed in on installation base 1 that reduces the frequency, 3 abundant contact device housings on expanding spring 401's effect transient state electric wave sensor on the ground. The platen 11 is fixed to the platen fixing groove 101 by screws, so that the installation is facilitated and the transient state ground wave sensor 3 is protected by the platen 11 when not in use.
Go up to be provided with display panel 9 in the casing 2, CPU circuit board 8 and power strip 6, the through-hole has been seted up at 6 middle parts of power strip, the signal plug 501 of circuit board 5 that reduces the frequency passes the through-hole and is connected with CPU circuit board 8's first signal socket 801, power strip 6 is through fixed fastener 7 and CPU circuit board 8 fixed connection, CPU circuit board 8 is connected with display panel 9 through fixed fastener 7 and second signal socket 802, fixed fastener 7 is including integrative joint portion 701 and the connecting portion 702 that sets up, be provided with the thread connection groove in the connecting portion 702, joint portion 701 is provided with two at least elastic clamping boards, convenient to detach and maintenance. The display panel 9 is fixedly connected to the inner side of the upper shell 2 through screws, the frequency reduction circuit board 5 and the CPU circuit board 8 are both connected with the power panel 6 through the elastic contact mechanism 10, the elastic contact mechanism 10 comprises a contact spring 1001 and contact electrodes 1002 fixed at two ends of the contact spring 1001, and the power panel 6 is in contact power supply through the elastic contact mechanism 10, so that the power supply is reliable and convenient to install.
Therefore, the partial discharge monitoring device of the TEV type switch cabinet adopting the structure enables the transient state ground electric wave sensor 3 to be reliably contacted with the equipment shell through the elastic telescopic mechanism 4, and is safe to use.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that: modifications and equivalents may be made to the utility model without departing from the spirit and scope of the utility model.
Claims (5)
1. The utility model provides a monitoring devices is put in TEV formula cubical switchboard office, includes installation base and last casing, its characterized in that: a pressing plate fixing groove and a detection through hole are formed in the mounting side of the mounting base, a transient earth electric wave sensor is arranged in the detection through hole, the bottom of the transient earth electric wave sensor is connected with a frequency reduction circuit board through an elastic telescopic mechanism, and the frequency reduction circuit board is fixed on the mounting base;
the display panel, the CPU circuit board and the power panel are arranged in the upper shell, a through hole is formed in the middle of the power panel, a signal plug of the frequency reduction circuit board penetrates through the through hole to be connected with a first signal socket of the CPU circuit board, the power panel is fixedly connected with the CPU circuit board through a fixing clamp, the CPU circuit board is connected with the display panel through the fixing clamp and a second signal socket, the display panel is fixedly connected to the inner side of the upper shell through a screw, and the frequency reduction circuit board and the CPU circuit board are both connected with the power panel through an elastic contact mechanism;
and the outer side of the upper shell is slidably connected with a protection plate.
2. The partial discharge monitoring device for the TEV-type switch cabinet according to claim 1, wherein: elastic telescoping mechanism includes a plurality of expanding spring and stand pipe, the stand pipe with circuit board threaded connection that reduces the frequency, it is a plurality of expanding spring one end with circuit board fixed connection reduces the frequency, and is a plurality of the expanding spring other end with electric wave sensor fixed connection on the transient state, electric wave sensor on the transient state pass through the wire with circuit board electricity connection reduces the frequency.
3. The partial discharge monitoring device for the TEV-type switch cabinet according to claim 1, wherein: and a pressure plate is fixed in the pressure plate fixing groove through a screw.
4. The partial discharge monitoring device for the TEV-type switch cabinet according to claim 1, wherein: the elastic contact mechanism comprises a contact spring and contact electrodes fixed at two ends of the contact spring.
5. The partial discharge monitoring device for the TEV-type switch cabinet according to claim 1, wherein: the fixed clamping piece comprises a clamping portion and a connecting portion which are integrally arranged, a threaded connecting groove is formed in the connecting portion, and the clamping portion is provided with at least two elastic clamping plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122975817.9U CN216285566U (en) | 2021-11-30 | 2021-11-30 | TEV formula cubical switchboard partial discharge monitoring devices |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122975817.9U CN216285566U (en) | 2021-11-30 | 2021-11-30 | TEV formula cubical switchboard partial discharge monitoring devices |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216285566U true CN216285566U (en) | 2022-04-12 |
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ID=81041549
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122975817.9U Active CN216285566U (en) | 2021-11-30 | 2021-11-30 | TEV formula cubical switchboard partial discharge monitoring devices |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216285566U (en) |
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2021
- 2021-11-30 CN CN202122975817.9U patent/CN216285566U/en active Active
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