CN214848264U - Power distribution network ring main unit anti-misconnection grounding knife switch forced locking device - Google Patents
Power distribution network ring main unit anti-misconnection grounding knife switch forced locking device Download PDFInfo
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- CN214848264U CN214848264U CN202120587063.7U CN202120587063U CN214848264U CN 214848264 U CN214848264 U CN 214848264U CN 202120587063 U CN202120587063 U CN 202120587063U CN 214848264 U CN214848264 U CN 214848264U
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- locking device
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Abstract
The utility model discloses a join in marriage mistake of distribution network looped netowrk cabinet and prevent joining in marriage ground switch and force blocking device, including the looped netowrk cabinet panel, the front of looped netowrk cabinet panel is provided with ground switch operation hole shrouding, the bottom of ground switch operation hole shrouding is connected with perpendicular connecting rod through the connecting piece, force blocking device is installed to the bottom of perpendicular connecting rod, force blocking device to include installing frame, slide, return spring, lock core and electro-magnet, the locking groove has been seted up to one side of electro-magnet, pressure switch is installed to the one end of locking inslot chamber, one side of forcing blocking device is connected with the mounting panel, bee calling organ and alarm lamp are from left to right installed in proper order to the surface of mounting panel, the utility model relates to a join in marriage mistake of distribution network looped netowrk cabinet and prevent joining in mistake ground switch and force blocking device, through perpendicular connecting rod, mounting panel, bee calling organ, alarm lamp, force blocking device, voltage switch, locking groove, The pressure switch, the buffer pad, the sliding plate, the return spring, the lock cylinder and the electromagnet play roles of prompting, alarming and automatic locking.
Description
Technical Field
The utility model relates to a force blocking device technical field, specifically be a join in marriage power grid ring main unit and prevent mistake and close earthing switch and force blocking device.
Background
Along with the rapid development of urban construction and the sharp increase of power load, urban power distribution networks are rapidly developing, a large number of distribution ring main units are adopted, the ring main units are electrical equipment of which a group of transmission and distribution electrical equipment (high-voltage switch equipment) is arranged in a metal or nonmetal insulating cabinet body or made into an assembled interval ring main power supply unit, and the core part of the ring main units adopts a load switch and a fuse. The ring main unit is widely applied to distribution stations and box type substations of load centers such as urban residential districts, high-rise buildings, large public buildings, factory enterprises and the like, at the moment, if only a box switch is used as a connection point and an opening point of a distribution network, the requirements can not be met far, the ring main unit is widely applied to the urban distribution network in recent years due to the characteristics of flexible wiring mode, simple principle and reliable operation, and a mechanical interlocking device is arranged between the load switch and a grounding disconnecting link of the ring main unit under the condition of the prior art, so that the grounding disconnecting link can be prevented from being electrified and closed by a single incoming and outgoing line.
The use of the existing positive locking devices also creates new requirements, one of which is: the existing forced locking device cannot automatically perform forced locking, and under the condition that a ring main unit adopts ring network power supply and a hand-in-hand network wiring mode to enter and exit wires, an operator cannot accurately judge whether electricity exists on a line side, and at the moment, if the operator closes the grounding disconnecting link, malignant misoperation of closing the grounding disconnecting link with electricity is inevitably caused; the second step is as follows: the existing forced locking device is not provided with an alarm device, and an operator cannot find the device in time after the device breaks down.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a distribution network looped netowrk cabinet prevents mistake and closes earthing switch forced locking device to solve the problem that the existing forced locking device proposed in the above background art can not automatically and forcibly lock, and under the condition that the looped netowrk cabinet adopts looped network power supply and hand-in network wiring mode to enter and exit more lines, an operator can not accurately judge whether the line side has electricity, and at the moment, if the operator closes the earthing switch, the operator can inevitably cause the malignant misoperation of closing the earthing switch with electricity; the existing forced locking device has no alarm device, and after the device breaks down, an operator cannot find the problem in time.
In order to achieve the above object, the utility model provides a following technical scheme: a power distribution network ring main unit anti-misjoint grounding knife switch forced locking device comprises a ring main unit panel, wherein a grounding knife switch operation hole sealing plate is arranged on the front side of the ring main unit panel, a vertical connecting rod is fixedly connected to the bottom end of the grounding knife switch operation hole sealing plate through a connecting piece, a forced locking device is fixedly arranged at the bottom of the vertical connecting rod and positioned on the surface of the ring main unit panel and comprises an installation frame, a sliding plate, a return spring, a lock cylinder and an electromagnet, the lock cylinder penetrates through one side of the installation frame, the sliding plate is fixedly connected to one end of the lock cylinder, the return spring is sleeved on the surface of the lock cylinder and positioned in an inner cavity of the installation frame, the electromagnet is fixedly arranged at the top of the inner cavity of the installation frame, a locking groove is formed in one side of the electromagnet and positioned in the ring main unit panel, and a pressure switch is fixedly arranged at one end, far away from the forced locking device, in the inner cavity of the locking groove, force one side of blocking device just the fixed surface of looped netowrk cabinet panel is connected with the mounting panel, the surface of mounting panel from left to right is fixed mounting in proper order has bee calling organ and alarm lamp.
As a preferred technical scheme of the utility model, the spacing groove has all been seted up to the both sides of installing frame inner chamber.
As a preferred technical scheme of the utility model, the equal fixedly connected with stopper in both ends of slide, and two the stopper respectively with two the inner chamber sliding connection of spacing groove.
As an optimized technical scheme of the utility model, one side bonding of pressure switch has the blotter.
As an optimal technical scheme of the utility model, force blocking device opposite side and be located the fixed surface of looped netowrk cabinet panel installs voltage switch, just the electro-magnet passes through voltage switch and external power supply electric connection.
As an optimal technical scheme of the utility model, buzzer and alarm lamp pass through pressure switch and external power supply electric connection.
Compared with the prior art, the beneficial effects of the utility model are that:
through the ring main unit panel, the grounding knife switch operation hole closing plate, the connecting piece, the vertical connecting rod, the mounting plate, the buzzer, the alarm lamp, the forced locking device, the voltage switch, the locking groove, the pressure switch, the buffer cushion, the mounting frame, the sliding plate, the return spring, the lock cylinder, the electromagnet, the limiting block and the limiting groove, when in use, after the voltage switch detects abnormal voltage, the electrification of the electromagnet is controlled, the magnetic force is enhanced after the electromagnet is electrified, so that the sliding plate is adsorbed, the return spring is extruded in the adsorption process of the sliding plate, the lock cylinder moves leftwards and is clamped in the locking groove, so that the physical separation is carried out on the downward movement of the vertical connecting rod, the forced locking purpose is achieved, the lock cylinder extrudes the pressure switch when the lock cylinder is clamped in the locking groove, after the pressure switch is extruded, the buzzer and the alarm lamp are controlled to work, so that the alarm is prompted, when the grounding disconnecting link is recovered to be normal, the electromagnet is powered off, and the lock cylinder returns under the action of the return spring, so that the normal work of the grounding disconnecting link is ensured.
Drawings
Fig. 1 is a schematic plan view of the present invention;
FIG. 2 is a schematic structural view of the forced locking device of the present invention;
FIG. 3 is a cross-sectional view of the positive locking device of the present invention;
fig. 4 is an enlarged view of part a of the present invention.
In the figure: 1. a ring main unit panel; 2. a grounding knife switch operation hole sealing plate; 3. a connecting member; 4. a vertical connecting rod; 5. mounting a plate; 6. a buzzer; 7. an alarm lamp; 8. a forced locking device; 9. a voltage switch; 10. a locking groove; 11. a pressure switch; 12. a cushion pad; 13. installing a frame; 14. a slide plate; 15. a return spring; 16. a lock cylinder; 17. an electromagnet; 18. a limiting block; 19. a limiting groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the utility model provides a distribution network ring main unit anti-misconnection grounding knife switch forced locking device, which comprises a ring main unit panel 1, a grounding knife switch operation hole closing plate 2 is arranged on the front side of the ring main unit panel 1, a vertical connecting rod 4 is fixedly connected with the bottom end of the grounding knife switch operation hole closing plate 2 through a connecting piece 3, a forced locking device 8 is fixedly installed at the bottom of the vertical connecting rod 4 and positioned on the surface of the ring main unit panel 1, the forced locking device 8 comprises an installation frame 13, a sliding plate 14, a return spring 15, a lock cylinder 16 and an electromagnet 17, the lock cylinder 16 is inserted into one side of the installation frame 13, one end of the lock cylinder 16 is fixedly connected with the sliding plate 14, the return spring 15 is sleeved on the surface of the lock cylinder 16 and positioned in the inner cavity of the installation frame 13, the electromagnet 17 is fixedly installed on the top of the inner cavity of the installation frame 13, a locking groove 10 is opened on one side of the electromagnet 17 and positioned in the ring main unit panel 1, one end of the inner cavity of the locking groove 10, which is far away from the forced locking device 8, is fixedly provided with a pressure switch 11, one side of the forced locking device 8 and the surface of the ring main unit panel 1 are fixedly connected with a mounting plate 5, and the surface of the mounting plate 5 is sequentially and fixedly provided with a buzzer 6 and an alarm lamp 7 from left to right.
Preferably, both sides of the inner cavity of the mounting frame 13 are provided with limiting grooves 19 for limiting the sliding plate 14;
both ends of the sliding plate 14 are fixedly connected with limiting blocks 18, and the two limiting blocks 18 are respectively connected with the inner cavities of the two limiting grooves 19 in a sliding manner to limit the sliding plate 14;
a buffer pad 12 is bonded on one side of the pressure switch 11 to protect the pressure switch 11;
a voltage switch 9 is fixedly arranged on the other side of the forced locking device 8 and positioned on the surface of the ring main unit panel 1, and the electromagnet 17 is electrically connected with an external power supply through the voltage switch 9;
the buzzer 6 and the alarm lamp 7 are electrically connected with an external power supply through a pressure switch 11.
When specifically using, the utility model relates to a join in marriage power grid looped netowrk cabinet and prevent mistake and close earthing knife brake and force blocking device, in use, voltage switch 9 detects behind the voltage anomaly, the circular telegram of control electro-magnet 17, electro-magnet 17 circular telegram back magnetic force reinforcing, thereby adsorb slide 14, slide 14 absorbent in-process extrudees return spring 15, lock core 16 removes joint in locking groove 10 left, thereby move down to perpendicular connecting rod 4 and carry out the physics separation, thereby play the mesh of forcing the locking, lock core 16 extrudees pressure switch 11 when locking groove 10 internal joint, pressure switch 11 receives the extrusion back, the work of control bee calling organ 6 and alarm lamp 7, thereby play the mesh of suggestion warning, when recovering normally, electro-magnet 17 outage, lock core 16 is under return spring 15's effect, thereby guarantee the normal work of earthing knife brake.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (6)
1. The utility model provides a distribution network looped netowrk cabinet prevents mistake and closes forced blocking device of earthing knife-switch, includes looped netowrk cabinet panel (1), its characterized in that: the front of the ring main unit panel (1) is provided with a grounding switch operation hole sealing plate (2), the bottom of the grounding switch operation hole sealing plate (2) is fixedly connected with a vertical connecting rod (4) through a connecting piece (3), the bottom of the vertical connecting rod (4) is fixedly arranged on the surface of the ring main unit panel (1) and is provided with a forced locking device (8), the forced locking device (8) comprises an installation frame (13), a sliding plate (14), a return spring (15), a lock cylinder (16) and an electromagnet (17), one side of the installation frame (13) is inserted with the lock cylinder (16), one end of the lock cylinder (16) is fixedly connected with the sliding plate (14), the surface of the lock cylinder (16) is sleeved with the return spring (15) and positioned in an inner cavity of the installation frame (13), and the top of the inner cavity of the installation frame (13) is fixedly provided with the electromagnet (17), one side of electro-magnet (17) and being located locking groove (10) have been seted up to the inside of looped netowrk cabinet panel (1), locking groove (10) inner chamber is kept away from force the one end fixed mounting of blocking device (8) has pressure switch (11), force one side of blocking device (8) just the fixed surface of looped netowrk cabinet panel (1) is connected with mounting panel (5), the surface of mounting panel (5) from left to right in proper order fixed mounting have bee calling organ (6) and alarm lamp (7).
2. The power distribution network ring main unit anti-misconnection grounding knife switch forced locking device according to claim 1, characterized in that: and both sides of the inner cavity of the mounting frame (13) are provided with limit grooves (19).
3. The power distribution network ring main unit anti-misconnection grounding knife switch forced locking device according to claim 2, characterized in that: both ends of the sliding plate (14) are fixedly connected with limiting blocks (18), and the two limiting blocks (18) are respectively connected with the inner cavities of the two limiting grooves (19) in a sliding manner.
4. The power distribution network ring main unit anti-misconnection grounding knife switch forced locking device according to claim 1, characterized in that: one side of the pressure switch (11) is adhered with a buffer pad (12).
5. The power distribution network ring main unit anti-misconnection grounding knife switch forced locking device according to claim 1, characterized in that: force blocking device (8) opposite side and be located the fixed surface of looped netowrk cabinet panel (1) is installed voltage switch (9), just electro-magnet (17) pass through voltage switch (9) and external power source electric connection.
6. The power distribution network ring main unit anti-misconnection grounding knife switch forced locking device according to claim 1, characterized in that: the buzzer (6) and the alarm lamp (7) are electrically connected with an external power supply through a pressure switch (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120587063.7U CN214848264U (en) | 2021-03-23 | 2021-03-23 | Power distribution network ring main unit anti-misconnection grounding knife switch forced locking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120587063.7U CN214848264U (en) | 2021-03-23 | 2021-03-23 | Power distribution network ring main unit anti-misconnection grounding knife switch forced locking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214848264U true CN214848264U (en) | 2021-11-23 |
Family
ID=78759429
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120587063.7U Active CN214848264U (en) | 2021-03-23 | 2021-03-23 | Power distribution network ring main unit anti-misconnection grounding knife switch forced locking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214848264U (en) |
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2021
- 2021-03-23 CN CN202120587063.7U patent/CN214848264U/en active Active
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