CN220439443U - Low-voltage alternating current air switch grounding protection device - Google Patents
Low-voltage alternating current air switch grounding protection device Download PDFInfo
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- CN220439443U CN220439443U CN202322009219.5U CN202322009219U CN220439443U CN 220439443 U CN220439443 U CN 220439443U CN 202322009219 U CN202322009219 U CN 202322009219U CN 220439443 U CN220439443 U CN 220439443U
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- air switch
- fixedly connected
- switch body
- protection device
- plate
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- 238000001125 extrusion Methods 0.000 claims abstract description 9
- 230000006698 induction Effects 0.000 claims description 11
- 230000007246 mechanism Effects 0.000 claims description 8
- 230000001681 protective effect Effects 0.000 claims description 8
- 230000004044 response Effects 0.000 claims description 5
- 230000002457 bidirectional effect Effects 0.000 claims description 2
- 206010014357 Electric shock Diseases 0.000 description 6
- 238000012423 maintenance Methods 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Abstract
The utility model discloses a grounding protection device for a low-voltage alternating current air switch, and belongs to the technical field of grounding protection devices. The intelligent electric meter comprises an air switch body, wherein a toggle switch is rotationally connected to the outer surface of the air switch body, a threaded rod is arranged outside the air switch body, an extrusion plate is connected to the outer surface of the threaded rod in a threaded mode, a hand-operated rod is fixedly connected to one end of the threaded rod, and a telescopic rod is fixedly connected to the outer surface of the extrusion plate. However, when the air switch is turned off, special care is required because no protection measures are currently available. When caregivers need to be far away from the switch due to special conditions, the switch is in an unattended state, and at the moment, the error power supply accident is easy to occur, so that the problem of electric shock of the maintainers is solved.
Description
Technical Field
The utility model relates to a grounding protection device for a low-voltage alternating current air switch, and belongs to the technical field of grounding protection devices.
Background
An air switch, also called an air circuit breaker, is a type of circuit breaker, and is a switch that automatically opens whenever the current in the circuit exceeds the rated current. The air switch is an important electric appliance in a low-voltage distribution network and an electric traction system, integrates control and various protection functions, can complete contact and breaking of a circuit, can protect short circuits, serious overload, undervoltage and the like of the circuit or electric equipment, and can be used for starting a motor infrequently. It is an important electrical appliance in electric traction systems and in low voltage distribution networks. The circuit breaker can contact and break the circuit, and can play a certain role in protecting under the conditions of serious overload and undervoltage when electrical equipment and the circuit are short-circuited.
In the residential building at the tail end of a power supply line, when a low-voltage user has circuit fault report or changes an ammeter, the air switch is required to be disconnected for power failure maintenance to ensure personal safety, however, after the air switch is disconnected, special personnel are required to be nursed because no protection measures exist at present, and when a caretaker needs to be far away from the switch due to special conditions, the air switch is in an unattended state, at the moment, an error power supply accident is easy to occur, and electric shock is caused to the maintainer.
Disclosure of Invention
The technical problems to be solved by the utility model are as follows: the utility model provides a low pressure alternating current air switch ground protection device, it has solved when caretaker need keep away from the switch because of special circumstances, and the sky is opened and is in unmanned state, takes place the mistake and send the electricity accident easily this moment, causes the problem of maintainer's electric shock.
The technical problems to be solved by the utility model are realized by adopting the following technical scheme:
the utility model provides a low pressure alternating current air switch ground connection protection device, includes the air switch body, the surface rotation of air switch body is connected with toggle switch, the outside of air switch body is provided with the threaded rod, the surface threaded connection of threaded rod has the stripper plate, the one end fixedly connected with hand pole of threaded rod, the surface fixedly connected with telescopic link of stripper plate, the surface fixedly connected with connecting block of stripper plate, the surface fixedly connected with hydraulic stem of connector, the one end fixedly connected with dog of stripper plate is kept away from to the hydraulic stem, the surface and the surface sliding connection of toggle switch of dog, the surface fixedly connected with adjust knob of air switch body, the bottom surface of air switch body is provided with the protecting sheathing bottom plate, one side of air switch body is provided with response alarm mechanism, the below of air switch body is provided with earthing device.
The utility model is further provided with: the induction alarm mechanism comprises an induction block fixedly connected to the outer surface of the air switch body, and a conducting wire is fixedly connected to the bottom end of the induction block.
The utility model is further provided with: one end fixedly connected with alarm lamp of conducting wire, the surface of response piece and the surface fixed connection of stripper plate.
The utility model is further provided with: the grounding device comprises a conductive block fixedly connected to the bottom surface of the bottom plate of the protective shell, and a conductive plate is fixedly connected to the bottom surface of the conductive block.
The utility model is further provided with: the bottom surface fixedly connected with current-conducting plate of connector, the bottom surface fixedly connected with binding clip of current-conducting plate, the bottom surface fixedly connected with ground wire of binding clip.
The utility model is further provided with: the threaded rod is a bidirectional rod, and the directions of threads at the left end and the right end are opposite.
The utility model is further provided with: the extrusion plates are two in number and symmetrically distributed on two sides of the air switch body.
The beneficial effects of the utility model are as follows:
1. according to the utility model, through the cooperation among the threaded rod, the extruding plate, the telescopic rod, the hydraulic rod and the stop block, the extruding plate is arranged above the air switch body, the threaded rod is rotated to clamp the air switch body, the hydraulic rod is started to drive the stop block to move, the stop block is moved to the outer surface of the toggle switch to limit the automatic upward movement of the toggle switch due to faults, so that the toggle switch is only in a closed state, the problems that in a residential building at the tail end of a power supply line, when a low-voltage user has circuit faults to report or replace an ammeter, the air switch is required to be disconnected for power failure maintenance are solved, however, after the air switch is disconnected, special personnel are required to nurse because no protection measures are needed at present, when a caretaker needs to keep away from the switch, the air switch is in an unattended state, at this time, a false power supply accident easily occurs, and a maintenance personnel is caused to get an electric shock are solved;
2. according to the utility model, the grounding branch can be formed by matching the conducting block, the connector, the binding clip and the ground wire, so that after the disconnected air switch is closed by misoperation, the current connected to the inlet wire end can be released through the grounding branch, and the problem of electric shock of an maintainer caused by misoperation can be avoided.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the present utility model.
Fig. 2 is an exploded view of a partial structure of the present utility model.
Fig. 3 is a schematic view of a grounding device according to the present utility model.
FIG. 4 is a schematic diagram of an alarm mechanism of the present utility model.
In the figure: 1. an air switch body; 2. a toggle switch; 3. a threaded rod; 4. an extrusion plate; 5. a hand rocker; 6. a telescopic rod; 7. a connecting block; 8. a hydraulic rod; 9. a stop block; 10. an adjustment knob; 11. a protective housing floor; 12. an alarm mechanism; 1201. an induction block; 1202. a conductive wire; 1203. an alarm lamp; 13. a grounding device; 1301. a conductive block; 1302. a conductive plate; 1303. a jointing clamp; 1304. and (5) a ground wire.
Detailed Description
The utility model will be further described with reference to the following detailed drawings, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.
As shown in fig. 1-4, a low-voltage alternating current air switch grounding protection device comprises an air switch body 1, wherein a toggle switch 2 is rotatably connected to the outer surface of the air switch body 1, the toggle switch 2 is provided with an upper gear and a lower gear, the toggle switch 2 is turned on in an upward toggle mode, the toggle switch is turned off in a downward toggle mode, and a threaded rod 3 is arranged outside the air switch body 1.
The surface threaded connection of threaded rod 3 has stripper plate 4, and stripper plate 4's shape is rectangle, and its lower part has the slipmat, and stripper plate 4 is total two, and symmetrical distribution is in the both sides of air switch body 1, and stripper plate 4's surface is provided with the slipmat, can increase stripper plate 4 and the friction of air switch body 1, makes the extrusion effect better, and threaded rod 3 is the bi-directional pole, and the screw thread opposite direction at both ends about, rotates threaded rod 3, will make two stripper plates 4 be close to each other, makes it fix in air switch body 1 top.
One end fixedly connected with hand pole 5 of threaded rod 3, the surface fixedly connected with telescopic link 6 of stripper plate 4, telescopic link 6 makes two stripper plates 4 link together, make it be in same altitude, the surface fixedly connected with connecting block 7 of stripper plate 4, connecting block 7 comprises two parts, including board and cylinder, the surface fixedly connected with hydraulic stem 8 of connecting block 7, the one end fixedly connected with dog 9 of stripper plate 4 is kept away from to hydraulic stem 8, hydraulic stem 8 is as the power supply, can promote dog 9 removal.
The surface sliding connection of dog 9 and the surface of toggle switch 2, the surface of dog 9 and the surface contact of toggle switch 2, the surface fixedly connected with adjust knob 10 to toggle switch 2 promptly, the function of adjustable air switch body 1 is pressed to adjust knob 10, the bottom surface of air switch body 1 is provided with protective housing bottom plate 11, one side of air switch body 1 is provided with response alarm mechanism 12, the below of air switch body 1 is provided with earthing device 13.
The induction alarm mechanism 12 comprises an induction block 1201 fixedly connected to the outer surface of the air switch body 1, a conducting wire 1202 is fixedly connected to the bottom end of the induction block 1201, the induction block 1201 can sense whether the air switch body 1 is provided with the extrusion plate 4, the threaded rod 3, the telescopic rod 6, the connecting block 7, the hydraulic rod 8 and the stop block 9, if not, the alarm lamp 1203 alarms, the safety coefficient of operators is increased, and the risk of electric shock is reduced.
One end fixedly connected with alarm lamp 1203 of conducting wire 1202, the surface of response piece 1201 and the external surface fixed connection of stripper plate 4, if there is not stripper plate 4, alarm lamp 1203 then can take place the police dispatch newspaper, reminds operating personnel to pay attention to safety, perhaps sets up other safety precautions.
The grounding device 13 comprises a conductive block 1301 fixedly connected to the bottom surface of the bottom plate 11 of the protective casing, a conductive plate 1302 is fixedly connected to the bottom surface of the conductive block 1301, and if the bottom plate 11 of the protective casing is electrified, the electric quantity is transmitted from the conductive block 1301 to the conductive plate 1302 and is sequentially transmitted to the ground wire 1304.
The bottom surface fixedly connected with conducting plate 1302 of conducting block 1301, the bottom surface fixedly connected with binding clip 1303 of conducting plate 1302, the bottom surface fixedly connected with ground wire 1304 of binding clip 1303, and binding clip 1303 comprises two rectangular pieces, and a big or small, ground wire 1304 is used for receiving the electric current of electric leakage to release it to ground, avoided the mistake power transmission to cause the maintainer to electrocute.
The implementation principle of the utility model is as follows: when the device is used, the hand-operated rod 5 is rotated, the two squeeze plates 4 are close to each other, meanwhile, the telescopic rod 6 is shortened, so that the squeeze plates 4 are fixed on the air switch body 1, when maintenance is carried out, the toggle switch 2 is pulled down and is in a closed state, the hydraulic rod 8 is extended, the hydraulic rod 8 pushes the stop block 9 to move, the stop block 9 is moved to the outer surface of the toggle switch 2, the toggle switch 2 is limited, the toggle switch can only be in the closed state and cannot be pulled up, if the protective shell bottom plate 11 is electrified due to improper operation, the electric quantity is sequentially transmitted to the ground wire 1304 through the conductive block 1301, the conductive plate 1302 and the binding clip 1303, a grounding branch is formed, and the electric current can be released through the grounding electric shock path, so that maintenance personnel caused by mistakenly power transmission are avoided.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, but is capable of various changes and modifications without departing from the spirit and scope of the utility model. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (7)
1. The utility model provides a low pressure alternating current air switch ground protection device, includes air switch body (1), its characterized in that: the utility model discloses a switch, including air switch body (1), connecting block (7), threaded rod (3)'s surface threaded connection has stripper plate (4), threaded rod (3)'s one end fixedly connected with hand pole (5), stripper plate (4)'s surface fixedly connected with telescopic link (6), stripper plate (4)'s surface fixedly connected with connecting block (7), connecting block (7)'s surface fixedly connected with hydraulic stem (8), connecting block (7)'s one end fixedly connected with dog (9) are kept away from to hydraulic stem (8), the surface of dog (9) and the surface sliding connection of toggle switch (2), air switch body (1)'s surface fixedly connected with adjust knob (10), air switch body (1)'s bottom surface is provided with protective housing bottom plate (11), one side of air switch body (1) is provided with response alarm mechanism (12), air switch body (1) below is provided with earthing device (13).
2. The ground protection device for a low voltage ac air switch of claim 1, wherein: the induction alarm mechanism (12) comprises an induction block (1201) fixedly connected to the outer surface of the air switch body (1), and a conducting wire (1202) is fixedly connected to the bottom end of the induction block (1201).
3. The ground protection device for a low voltage ac air switch of claim 2, wherein: one end of the conducting wire (1202) is fixedly connected with an alarm lamp (1203), and the outer surface of the sensing block (1201) is fixedly connected with the outer surface of the extrusion plate (4).
4. The ground protection device for a low voltage ac air switch of claim 1, wherein: the grounding device (13) comprises a conductive block (1301) fixedly connected to the bottom surface of the bottom plate (11) of the protective shell, and a conductive plate (1302) is fixedly connected to the bottom surface of the conductive block (1301).
5. The apparatus of claim 4, wherein: the bottom surface of conducting plate (1302) fixedly connected with binding clip (1303), the bottom surface of binding clip (1303) fixedly connected with ground wire (1304).
6. The ground protection device for a low voltage ac air switch of claim 1, wherein: the threaded rod (3) is a bidirectional rod, and the directions of threads at the left end and the right end are opposite.
7. The ground protection device for a low voltage ac air switch of claim 1, wherein: the number of the extrusion plates (4) is two, and the extrusion plates are symmetrically distributed on two sides of the air switch body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322009219.5U CN220439443U (en) | 2023-07-28 | 2023-07-28 | Low-voltage alternating current air switch grounding protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322009219.5U CN220439443U (en) | 2023-07-28 | 2023-07-28 | Low-voltage alternating current air switch grounding protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220439443U true CN220439443U (en) | 2024-02-02 |
Family
ID=89695334
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322009219.5U Active CN220439443U (en) | 2023-07-28 | 2023-07-28 | Low-voltage alternating current air switch grounding protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220439443U (en) |
-
2023
- 2023-07-28 CN CN202322009219.5U patent/CN220439443U/en active Active
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