CN219456370U - Overhead external signal generating device - Google Patents
Overhead external signal generating device Download PDFInfo
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- CN219456370U CN219456370U CN202223517410.2U CN202223517410U CN219456370U CN 219456370 U CN219456370 U CN 219456370U CN 202223517410 U CN202223517410 U CN 202223517410U CN 219456370 U CN219456370 U CN 219456370U
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- control box
- primary control
- stainless steel
- integrally formed
- signal generating
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Abstract
The utility model discloses an overhead external signal generating device, relates to the technical field of power distribution automation fault indicators, and aims to solve the problems that a vacuum switch and a voltage transformer are designed outside a box body in the existing overhead external signal generating device, the size of the box body can be greatly reduced, the working efficiency is improved, but the safety of power components outside the box body is poor, and damage and electric shock are easy to occur. The device comprises a primary control box, wherein a jacking cover is arranged at the top of the primary control box, the jacking cover and the primary control box are integrally formed, and three voltage transformers are arranged at the top of the jacking cover; further comprises: the grounding support plate is arranged at the bottom of the primary control box, the grounding support plate and the primary control box are integrally formed, two grounding support plates are arranged, an inner groove is formed in the grounding support plate, an inserting installation hole is formed in the upper end of the inner groove, and the inserting installation hole and the inner groove are integrally formed with the grounding support plate.
Description
Technical Field
The utility model relates to the technical field of power distribution automation fault indicators, in particular to an overhead external signal generating device.
Background
The overhead external signal generating device is a device for applying a specific signal to a 10kV distribution line when the line has a ground fault.
For example, bulletin numbers: CN209946225U (named overhead external signal generating device) for being arranged on a three-phase line, said device comprising a phase-controlled vacuum switch, a signal generating resistor, a voltage transformer, a current transformer and an intelligent controller, said phase-controlled vacuum switch comprising a first, a second and a third phase-controlled vacuum switch, said voltage transformer comprising a first, a second and a third voltage transformer; one ends of the first, second and third three-phase vacuum switches are respectively connected with each phase of the three-phase circuit, the other ends of the first, second and third three-phase vacuum switches are sequentially connected with a working ground after passing through the signal generating resistor and the primary side of the current transformer, and the control ends of the first, second and third three-phase vacuum switches and the secondary side of the current transformer are connected to the intelligent controller; one end of the first, second and third voltage transformers is connected with each phase of the three-phase line respectively, and the other end of the first, second and third voltage transformers is connected to the intelligent controller; the signal generating resistor, the current transformer and the intelligent controller are all arranged inside a box body of the overhead external signal generating device, the phase control vacuum switch and the voltage transformer are all arranged outside the box body, the phase control vacuum switch is an outdoor phase control vacuum switch, and the voltage transformer is an outdoor voltage transformer.
The overhead external signal generating device designs the vacuum switch and the voltage transformer outside the box body, and although the size of the box body can be greatly reduced to improve the working efficiency, the safety of the power components outside the box body is poor, and the problems of damage and electric shock are easy to occur.
Disclosure of Invention
The utility model aims to provide an overhead external signal generating device, which aims to solve the problems that the existing overhead external signal generating device proposed in the background technology designs a vacuum switch and a voltage transformer outside a box body, and the box body size can be greatly reduced to improve the working efficiency, but the safety of power components outside the box body is poor, and the damage and the electric shock are easy to occur.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the overhead external application signal generating device comprises a primary control box, wherein a jacking cover is arranged at the top of the primary control box, the jacking cover and the primary control box are integrally formed, and three voltage transformers are arranged at the top of the jacking cover;
further comprises:
the grounding support plates are arranged at the bottom of the primary control box, the grounding support plates and the primary control box are integrally formed, two grounding support plates are arranged, an inner groove is formed in each grounding support plate, the upper end of each inner groove is provided with a plugging mounting hole, and the plugging mounting holes and the inner grooves are integrally formed with the grounding support plates;
the stainless steel cover is arranged at the outer position of the primary control box, two extending support plates are arranged at the lower end of the stainless steel cover, and the extending support plates and the stainless steel cover are integrally formed;
the wire arranging plate is arranged at the inner position covered by the stainless steel, two ends of the wire arranging plate are respectively provided with an abutting end plate, the abutting end plates and the wire arranging plate are integrally formed, a threading hole is formed in the wire arranging plate, and the threading hole and the wire arranging plate are integrally formed;
the front safety door is arranged on the front end face of the primary control box, the front safety door is movably connected with the primary control box through a hinge, the front end face of the front safety door is provided with a secondary control box, and the secondary control box is communicated with the inside of the primary control box.
Preferably, the lower extreme of extension board is provided with the cross-under screw rod, and the cross-under screw rod sets up with extension board integrated into one piece, lock nut is installed to the lower extreme of cross-under screw rod, and lock nut's size is greater than the bore of grafting mounting hole.
Preferably, the inner wall that stainless steel covered is provided with the screw thread and connects the hole, and screw thread connects hole and stainless steel to cover integrated into one piece setting, install fastening bolt on the hookup location that leans on connect end plate and screw thread to connect the hole, lean on and connect end plate and cover fixed connection through fastening bolt and stainless steel.
Preferably, the three voltage transformers are all electrically connected with the power element inside the primary control box.
Preferably, the outer walls of the two extending support plates are provided with handle plates, and the handle plates and the extending support plates are integrally formed.
Preferably, the outer wall of the stainless steel cover is provided with two sliding grooves, and the sliding grooves and the stainless steel cover are integrally formed.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the utility model, the stainless steel cover is arranged outside the primary control box, during installation, the cross-connection screw is arranged inside the plugging installation hole, the locking nut is arranged for limiting and fixing, then the voltage transformer is connected to the distribution line, the connected line penetrates through the threading hole inside the flat cable plate to be arranged in a penetrating way from bottom to top, the wiring position of the voltage transformer is shielded by the stainless steel cover, the purpose of isolating, insulating and protecting safety is achieved, the problem that the existing overhead external signal generating device designs a vacuum switch and the voltage transformer outside the box body is solved, the size of the box body can be greatly reduced, the working efficiency is improved, but the safety of electric power components outside the box body is poor, and the problems of damage and electric shock are easy to occur.
2. The primary control box is communicated with the secondary control box, when the overhead external application signal generating device needs to be simply operated, only the small door of the secondary control box needs to be opened, the front safety door does not need to be opened, and the use stability of the whole overhead external application signal generating device is improved.
Drawings
FIG. 1 is a schematic diagram of the overall structure of an overhead applied signal generating device of the present utility model;
FIG. 2 is a schematic view of a stainless steel cover structure according to the present utility model;
FIG. 3 is a schematic view of a connection structure between an extension support plate and a ground support plate according to the present utility model;
FIG. 4 is a schematic view of the internal structure of the stainless steel cover of the present utility model;
in the figure: 1. a first-stage control box; 2. a grounding support plate; 3. a plug-in mounting hole; 4. a front safety door; 5. a secondary control box; 6. a top support cover; 7. a voltage transformer; 8. covering with stainless steel; 9. a handle plate; 10. a slide groove; 11. extending the support plate; 12. threading a screw; 13. an inner groove; 14. a lock nut; 15. a wire arrangement plate; 16. a threading hole; 17. abutting against the end plate; 18. a threaded hole; 19. and (5) fastening a bolt.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
Referring to fig. 1-4, an embodiment of the present utility model is provided: the overhead external application signal generating device comprises a primary control box 1, wherein a jacking cover 6 is arranged at the top of the primary control box 1, the jacking cover 6 and the primary control box 1 are integrally formed, and three voltage transformers 7 are arranged at the top of the jacking cover 6;
further comprises:
the grounding support plates 2 are arranged at the bottom of the primary control box 1, the grounding support plates 2 and the primary control box 1 are integrally formed, two grounding support plates 2 are arranged, an inner groove 13 is formed in the grounding support plates 2, a plugging mounting hole 3 is formed in the upper end of each inner groove 13, and the plugging mounting hole 3 and each inner groove 13 are integrally formed with the grounding support plates 2;
the stainless steel cover 8 is arranged at the outer position of the primary control box 1, two extending support plates 11 are arranged at the lower end of the stainless steel cover 8, and the extending support plates 11 and the stainless steel cover 8 are integrally formed;
the wire arranging plate 15 is arranged at the inner position of the stainless steel cover 8, two ends of the wire arranging plate 15 are respectively provided with an abutting end plate 17, the abutting end plates 17 and the wire arranging plate 15 are integrally formed, the wire arranging plate 15 is internally provided with a threading hole 16, and the threading hole 16 and the wire arranging plate 15 are integrally formed;
the front safety door 4 is arranged on the front end face of the primary control box 1, the front safety door 4 is movably connected with the primary control box 1 through a hinge, the front end face of the front safety door 4 is provided with the secondary control box 5, and the secondary control box 5 is communicated with the inside of the primary control box 1.
During the use, through the outside of installing the one-level control box with the stainless steel cover, during the installation, install the inside of grafting mounting hole with the cross-under screw rod to install lock nut and carry out spacing fixedly, then be connected to the distribution line with voltage transformer on, the line of connection runs through the inside through hole of winding displacement board and runs through from bottom to top and arrange, cover the wiring position that shelters from voltage transformer through the stainless steel, reach the purpose of isolation insulation safety protection.
Referring to fig. 3, a cross-connection screw 12 is disposed at the lower end of the extension support plate 11, the cross-connection screw 12 and the extension support plate 11 are integrally formed, a lock nut 14 is mounted at the lower end of the cross-connection screw 12, the size of the lock nut 14 is larger than the caliber of the plugging mounting hole 3, and the cross-connection screw 12 disposed at the lower end of the extension support plate 11 plays a role in corresponding connection with the plugging mounting hole 3.
Referring to fig. 4, a threaded hole 18 is formed in the inner wall of the stainless steel cover 8, the threaded hole 18 and the stainless steel cover 8 are integrally formed, a fastening bolt 19 is mounted at a connection position of the abutting end plate 17 and the threaded hole 18, the abutting end plate 17 is fixedly connected with the stainless steel cover 8 through the fastening bolt 19, and the threaded hole 18 formed in the inner wall of the stainless steel cover 8 plays a role in facilitating connection of the abutting end plate 17.
Referring to fig. 1, three voltage transformers 7 are electrically connected to power components inside the primary control box 1.
Referring to fig. 2, the outer walls of the two extending support plates 11 are provided with handle plates 9, the handle plates 9 and the extending support plates 11 are integrally formed, and the handle plates 9 arranged on the outer walls of the two extending support plates 11 serve to facilitate grabbing of the extending support plates 11.
Referring to fig. 2, two slip flow grooves 10 are formed in the outer wall of the stainless steel cover 8, the slip flow grooves 10 and the stainless steel cover 8 are integrally formed, and the two slip flow grooves 10 formed in the outer wall of the stainless steel cover 8 serve to facilitate the slip flow of rainwater when the outdoor use is performed.
Working principle: during the use, firstly install the outside of one-level control box 1 with stainless steel cover 8, during the installation, install the inside of grafting mounting hole 3 with cross-under screw 12, and install lock nut 14 and carry out spacing fixed, then be connected voltage transformer 7 on the distribution line, the line that connects runs through the inside through hole 16 of winding displacement board 15 and runs through from bottom to top and arrange, shelter from the wiring position of voltage transformer 7 through stainless steel cover 8, reach the purpose of isolation insulation safety protection, one-level control box 1 and second grade control box 5 intercommunication set up, when needs the overhead external application signal generator of simple operation, only need open the overhead door of second grade control box 5 can, need not to open leading emergency exit 4, the stability that whole external application signal generator used has been improved, accomplish the overhead external application signal generator's use work.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. The overhead external signal generating device comprises a primary control box (1), wherein a jacking cover (6) is arranged at the top of the primary control box (1), the jacking cover (6) and the primary control box (1) are integrally formed, and three voltage transformers (7) are arranged at the top of the jacking cover (6);
the method is characterized in that: further comprises:
the grounding support plates (2) are arranged at the bottom of the primary control box (1), the grounding support plates (2) and the primary control box (1) are integrally formed, two grounding support plates (2) are arranged, an inner groove (13) is formed in each grounding support plate (2), an inserting installation hole (3) is formed in the upper end of each inner groove (13), and the inserting installation holes (3) and the inner grooves (13) are integrally formed with the grounding support plates (2);
the stainless steel cover (8) is arranged at the outer position of the primary control box (1), two extending support plates (11) are arranged at the lower end of the stainless steel cover (8), and the extending support plates (11) and the stainless steel cover (8) are integrally formed;
the wire arranging plate (15) is arranged at the inner position of the stainless steel cover (8), two ends of the wire arranging plate (15) are respectively provided with an abutting end plate (17), the abutting end plates (17) and the wire arranging plate (15) are integrally formed, a threading hole (16) is formed in the wire arranging plate (15), and the threading hole (16) and the wire arranging plate (15) are integrally formed;
the front safety door (4) is arranged on the front end face of the primary control box (1), the front safety door (4) is movably connected with the primary control box (1) through a hinge, the front end face of the front safety door (4) is provided with a secondary control box (5), and the secondary control box (5) is communicated with the inside of the primary control box (1).
2. An overhead applied signal generating device according to claim 1, wherein: the lower extreme that extends extension board (11) is provided with cross-under screw rod (12), cross-under screw rod (12) and extension board (11) integrated into one piece set up, lock nut (14) are installed to the lower extreme of cross-under screw rod (12), and the size of lock nut (14) is greater than the bore of grafting mounting hole (3).
3. An overhead applied signal generating device according to claim 1, wherein: the stainless steel cover (8) is characterized in that a threaded connecting hole (18) is formed in the inner wall of the stainless steel cover (8), the threaded connecting hole (18) and the stainless steel cover (8) are integrally formed, a fastening bolt (19) is arranged at the connecting position of the abutting end plate (17) and the threaded connecting hole (18), and the abutting end plate (17) is fixedly connected with the stainless steel cover (8) through the fastening bolt (19).
4. An overhead applied signal generating device according to claim 1, wherein: the three voltage transformers (7) are electrically connected with power elements in the primary control box (1).
5. An overhead applied signal generating device according to claim 1, wherein: the outer walls of the two extending support plates (11) are provided with handle plates (9), and the handle plates (9) and the extending support plates (11) are integrally formed.
6. An overhead applied signal generating device according to claim 1, wherein: two slide grooves (10) are formed in the outer wall of the stainless steel cover (8), and the slide grooves (10) and the stainless steel cover (8) are integrally formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223517410.2U CN219456370U (en) | 2022-12-28 | 2022-12-28 | Overhead external signal generating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223517410.2U CN219456370U (en) | 2022-12-28 | 2022-12-28 | Overhead external signal generating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219456370U true CN219456370U (en) | 2023-08-01 |
Family
ID=87389024
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223517410.2U Active CN219456370U (en) | 2022-12-28 | 2022-12-28 | Overhead external signal generating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219456370U (en) |
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2022
- 2022-12-28 CN CN202223517410.2U patent/CN219456370U/en active Active
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