CN113675777A - Intelligent locking anti-misoperation device and anti-misoperation ring main unit - Google Patents
Intelligent locking anti-misoperation device and anti-misoperation ring main unit Download PDFInfo
- Publication number
- CN113675777A CN113675777A CN202110969413.0A CN202110969413A CN113675777A CN 113675777 A CN113675777 A CN 113675777A CN 202110969413 A CN202110969413 A CN 202110969413A CN 113675777 A CN113675777 A CN 113675777A
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- China
- Prior art keywords
- box body
- misoperation
- cabinet door
- limiting rod
- spring
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B13/00—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
- H02B13/02—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with metal casing
- H02B13/035—Gas-insulated switchgear
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/20—Interlocking, locking, or latching mechanisms
- H01H9/22—Interlocking, locking, or latching mechanisms for interlocking between casing, cover, or protective shutter and mechanism for operating contacts
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
- H02B1/32—Mounting of devices therein
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B13/00—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
- H02B13/02—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with metal casing
- H02B13/025—Safety arrangements, e.g. in case of excessive pressure or fire due to electrical defect
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Patch Boards (AREA)
Abstract
The invention relates to an intelligent locking anti-misoperation device and an anti-misoperation ring main unit, wherein the intelligent locking anti-misoperation device is arranged in a box body, an openable cabinet door is rotatably arranged on the box body, and a circuit breaker for controlling the on-off of a circuit is fixedly arranged in the box body, and the intelligent locking anti-misoperation device comprises: the limiting rod is movably arranged in the box body; the elastic mechanism is arranged in the box body and connected with the limiting rod, and the elastic mechanism is used for enabling the limiting rod to have a force acting on the circuit breaker upwards so as to avoid misoperation of a maintainer; push down the mechanism, push down the mechanism setting and be in the box, push down the mechanism with the cooperation of elastic mechanism is used for the in-process drive of opening at the cabinet door the gag lever post upward movement, and when the cabinet door was opened completely, make the gag lever post with the circuit breaker butt realizes avoiding at the in-process maloperation of overhauing.
Description
Technical Field
The invention relates to the field of ring main units, in particular to an intelligent locking anti-misoperation device and an anti-misoperation ring main unit.
Background
The ring main unit is a group of electric equipment (high-voltage switch equipment) which is arranged in a metal or nonmetal insulating cabinet body or is made into an assembled interval ring main power supply unit, and the core part of the ring main unit adopts a load switch and a fuse. The transformer substation is widely applied to distribution stations and box-type substations of load centers of urban residential districts, high-rise buildings, large public buildings, factory enterprises and the like.
In the daily maintenance in-process of looped netowrk cabinet, because the maintainer maloperation leads to the electric power accident very easily, in order to reduce the emergence of this type of accident, we have proposed an intelligence shutting prevents mistake device and prevents mistake operation looped netowrk cabinet.
Disclosure of Invention
The invention aims to provide an intelligent locking anti-misoperation device and an anti-misoperation ring main unit, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides an intelligence shutting prevents mistake device installs in the box, rotate on the box and install open closed cabinet door, just it has the circuit breaker that is used for the control scheme break-make still fixed mounting in the box, intelligence shutting prevents mistake device includes:
the limiting rod is movably arranged in the box body and used for preventing a maintainer from mistakenly operating to disconnect a switch on the circuit breaker when the cabinet door is opened;
the elastic mechanism is arranged in the box body and connected with the limiting rod, and the elastic mechanism is used for enabling the limiting rod to have a force acting on the circuit breaker upwards so as to avoid misoperation of a maintainer;
the pressing mechanism is arranged in the box body and matched with the elastic mechanism and used for driving the limiting rod to move upwards in the process of opening the cabinet door, and the limiting rod is abutted to the breaker when the cabinet door is completely opened.
As a further scheme of the invention: the elastic mechanism comprises a mounting plate fixedly mounted in the box body and recovery structures symmetrically mounted on the mounting plate;
the recovery structure is connected with the pressing mechanism in a rolling mode, and the recovery structure is connected with the limiting rod through two connecting plates which are symmetrically arranged.
As a still further scheme of the invention: the restoring structure comprises a guide rod fixedly arranged on the mounting plate, a first spring sleeved on the guide rod, and a transverse plate which is arranged on the guide rod in a sliding manner and is abutted against the first spring;
the transverse plate is connected with the pressing mechanism in a rolling mode, and the two connecting plates are symmetrically and fixedly mounted on the transverse plate.
As a still further scheme of the invention: push down the mechanism including setting up the cabinet door with drive structure between the box, with drive structure connects through a belt and rotates the setting and is in bevel gear group, setting in the box are in the box with between the diaphragm and with bevel gear group passes through the structure of stepping down that No. two belts are connected.
As a still further scheme of the invention: the driving structure comprises an incomplete gear fixedly connected with the cabinet door and a complete gear which is meshed with the incomplete gear and is rotatably installed in the box body, and the complete gear is connected with the bevel gear set through the first belt;
the incomplete gear and the rotating shaft of the cabinet door are coaxially arranged.
As a still further scheme of the invention: the abdicating structure comprises a baffle fixedly arranged in the box body, a cam which is connected with the bevel gear set through the second belt and is rotatably arranged on the baffle, and a first pulley which is rotatably arranged on the transverse plate and is in rolling connection with the cam.
The utility model provides a prevent maloperation looped netowrk cabinet, prevent maloperation looped netowrk cabinet includes intelligent shutting prevent maloperation device, still include:
the locking assembly is arranged at one end of the limiting rod and used for adjusting the position of the limiting rod;
the transparent window is fixedly arranged on the cabinet door.
As a still further scheme of the invention: the locking assembly comprises a circular cavity arranged at one end of the limiting rod, a second spring arranged in the circular cavity, a locking rod connected with the second spring and movably arranged through the circular cavity, a second pulley rotatably arranged at one end of the locking rod far away from the second spring, and a limiting groove arranged on the connecting plate and matched with the second pulley;
the other end of the limiting rod is connected with the other end of the limiting rod in a rotating mode, the limiting rod is provided with a through groove which runs through the circular cavity, the second spring is connected with the locking rod through a limiting plate, and the limiting plate is fixedly provided with a protrusion which runs through the through groove.
Compared with the prior art, the invention has the beneficial effects that:
when the ring main unit is maintained daily and the cabinet door is completely opened, the pressing mechanism is matched with the elastic mechanism, so that the limiting rod acts on a switch of the circuit breaker, and unnecessary electric power accidents caused by misoperation of maintenance personnel are avoided;
simultaneously when the circuit breaker takes place from the phenomenon of opening circuit, because the existence of above-mentioned structure leads to easily when opening the cabinet door, makes the short circuiter transmit power once more passively, for this reason, the maintainer can be observed through the transparent window earlier to when needs, open the transparent window, through the locking subassembly, make the position of gag lever post change, so that the cabinet door when opening, the gag lever post can not direct action and short circuiter.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of an intelligent locking anti-misoperation device and an anti-misoperation ring main unit.
Fig. 2 is a schematic view of a bottom view structure of an embodiment of an intelligent locking anti-misoperation device and an anti-misoperation ring main unit.
Fig. 3 is an enlarged schematic view of the structure at a in fig. 2.
Fig. 4 is an exploded schematic view of a locking assembly in an embodiment of the intelligent locking anti-misoperation device and the anti-misoperation ring main unit.
In the figure: the automatic locking device comprises a box body 1, a cabinet door 2, an incomplete gear 3, a complete gear 4, a breaker 5, a belt 6, a bevel gear 7, a baffle 8, a belt 9, a cam 10, a transverse plate 11, a pulley 12, a pulley 13, a connecting plate 14, a limiting rod 15, a guide rod 16, a spring 16, a through groove 17, a spring 18, a spring II, a limiting plate 19, a locking rod 20, a pulley 21, and a protrusion 22.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In addition, an element of the present invention may be said to be "fixed" or "disposed" to another element, either directly on the other element or with intervening elements present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Referring to fig. 1 to 4, in an embodiment of the present invention, an intelligent locking anti-misoperation device is installed in a box 1, an openable cabinet door 2 is rotatably installed on the box 1, and a circuit breaker 5 for controlling on/off of a circuit is further fixedly installed in the box 1, and the intelligent locking anti-misoperation device includes:
the limiting rod 14 is movably arranged in the box body 1 and used for preventing a maintainer from disconnecting a switch on the circuit breaker 5 by misoperation when the cabinet door 2 is opened;
the elastic mechanism is arranged in the box body 1 and connected with the limiting rod 14, and the elastic mechanism is used for enabling the limiting rod 14 to have a force acting on the circuit breaker 5 upwards so as to avoid misoperation of a maintainer;
the pressing mechanism is arranged in the box body 1 and matched with the elastic mechanism and used for driving the limiting rod 14 to move upwards in the opening process of the cabinet door 2, and the limiting rod 14 is abutted to the breaker 5 when the cabinet door 2 is completely opened.
In the embodiment of the invention, when the ring main unit is maintained in daily life, the pressing mechanism is matched with the elastic mechanism when the cabinet door 2 is completely opened, so that the limiting rod 14 acts on the switch of the circuit breaker 5, and unnecessary power accidents caused by misoperation of maintenance personnel are avoided.
As an embodiment of the present invention, the elastic mechanism includes a mounting plate fixedly mounted in the box body 1, and restoring structures symmetrically mounted on the mounting plate;
the recovery structure is in rolling connection with the pressing mechanism and is connected with the limiting rod 14 through two connecting plates 13 which are symmetrically arranged;
the recovery structure comprises a guide rod 15 fixedly installed on the installation plate, a first spring 16 sleeved on the guide rod 15, and a transverse plate 11 which is arranged on the guide rod 15 in a sliding manner and is abutted against the first spring 16;
the transverse plate 11 is in rolling connection with the pressing mechanism, and the two connecting plates 13 are symmetrically and fixedly mounted on the transverse plate 11;
the pressing mechanism comprises a driving structure arranged between the cabinet door 2 and the box body 1, a bevel gear group 7 which is connected with the driving structure through a first belt 6 and is rotatably arranged in the box body 1, and a yielding structure which is arranged between the box body 1 and the transverse plate 11 and is connected with the bevel gear group 7 through a second belt 9;
the driving structure comprises an incomplete gear 3 fixedly connected with the cabinet door 2 and a complete gear 4 meshed with the incomplete gear 3 and rotatably installed in the box body 1, and the complete gear 4 is connected with the bevel gear set 7 through the first belt 6;
the incomplete gear 3 and a rotating shaft of the cabinet door 2 are coaxially arranged;
the abdicating structure comprises a baffle plate 8 fixedly arranged in the box body 1, a cam 10 which is connected with the bevel gear set 7 through the second belt 9 and is rotatably arranged on the baffle plate 8, and a first pulley 12 which is rotatably arranged on the transverse plate 11 and is in rolling connection with the cam 10;
the bevel gear set 7 comprises a first bevel gear which is rotatably installed on the box body 1 and a second bevel gear which is meshed with the first bevel gear and rotatably installed on the baffle 8, the first bevel gear is connected with the complete gear 4 through the first belt 9, and the second bevel gear is connected with the cam 10 through the second belt 9.
In the embodiment of the invention, in the initial state, namely under the condition that the cabinet door 2 is closed, the long shaft of the cam 1 acts on the first pulley 12 downwards and compresses the first spring 16 through the transverse plate 11, and at the moment, the switch of the circuit breaker 5 can be automatically opened or closed according to the working characteristics of the switch;
when the cabinet door 2 is opened, the incomplete gear 3 rotates along with the rotating shaft of the cabinet door 2, the complete gear 4 which is meshed with the incomplete gear rotates, the complete gear 4 drives the cam 10 to rotate through the first belt 6, the bevel gear group 7 and the second belt 9, the part where the cam 10 is connected with the first pulley 12 is changed from the long shaft of the cam 10 to the short shaft, at the moment, the first spring 16 releases elastic potential energy, the transverse plate 11 moves upwards, the limiting rod 14 moves upwards through the connecting plate 13, and when the outer ring of the cabinet door 2 is opened, the limiting rod 14 just abuts against a switch of the circuit breaker 5.
The above-mentioned incomplete gear 3 is toothless only at the location where it coincides with the cabinet door 2.
Wherein the above-mentioned circuit breaker 5 is mounted on the mounting plate.
As an embodiment of the present invention, a ring main unit for preventing misoperation is further provided, where the ring main unit for preventing misoperation includes the intelligent locking misoperation preventing device, and further includes:
the locking assembly is arranged at one end of the limiting rod 14 and is used for adjusting the position of the limiting rod 14;
the transparent window is fixedly arranged on the cabinet door 2;
the locking assembly comprises a circular cavity arranged at one end of the limiting rod 14, a second spring 18 arranged in the circular cavity, a locking rod 20 connected with the second spring 18 and movably arranged through the circular cavity, a second pulley 21 rotatably arranged at one end of the locking rod 20 far away from the second spring 18, and a limiting groove arranged on the connecting plate 13 and matched with the second pulley 21;
wherein, the other end and another of gag lever post 14 the connecting plate 13 rotates to be connected, just seted up on the gag lever post 14 and run through the logical groove 17 of circular cavity, No. two springs 18 with locking pole 20 passes through limiting plate 19 to be connected, just fixed mounting has the arch 22 that runs through logical groove 17 on the limiting plate 19.
In the embodiment of the invention, when the self-breaking phenomenon of the breaker 5 occurs, due to the existence of the structure, the short-circuiting device 5 is easily powered on again when the cabinet door 2 is opened, therefore, a maintainer can firstly observe through the transparent window and open the transparent window when necessary, and the position of the limiting rod 14 is changed through the locking component, so that the limiting rod 14 cannot directly act on the short-circuiting device 5 when the cabinet door 2 is opened, and the specific steps are as follows:
the self-breaking phenomenon occurs at the circuit breaker 5, and when the maintainer knows the state of the circuit breaker 5 through the transparent window, the transparent window is opened through the key, and a special tool is used to act on the bulge 22, so that the bulge moves towards the limiting rod 14 and the hinged end of the connecting plate 13, the limiting groove on the connecting plate 13 is separated from the second pulley 21, and the cabinet door 2 is opened again at the moment, so that the phenomenon of passive power transmission of the circuit breaker 5 cannot occur.
Further, when the maintenance personnel maintain the ring main unit, when the switch of the breaker 5 is really needed to be closed, the power-off processing of the breaker 5 can be completed through the steps.
The bulge 22 is very small, and the situation that the bulge 22 is touched by mistake when a maintainer overhauls is avoided to a certain extent, so that the limiting rod 14 is externally arranged and changed, and when the secondary misoperation is carried out, the switch of the circuit breaker 5 is turned off.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention 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.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (8)
1. The utility model provides an intelligence shutting is prevented mistake device installs in box (1), but rotate on box (1) and install open closed cabinet door (2), just it has circuit breaker (5) that are used for the break-make of control scheme to go back fixed mounting in box (1), its characterized in that, intelligence shutting is prevented mistake device and is included:
the limiting rod (14) is movably arranged in the box body (1) and used for preventing a maintainer from mistakenly operating to disconnect a switch on the breaker (5) when the cabinet door (2) is opened;
the elastic mechanism is arranged in the box body (1) and connected with the limiting rod (14), and the elastic mechanism is used for enabling the limiting rod (14) to have a force acting on the circuit breaker (5) upwards so as to avoid misoperation of a maintainer;
the pressing mechanism is arranged in the box body (1), the pressing mechanism is matched with the elastic mechanism and used for driving the limiting rod (14) to move upwards in the opening process of the cabinet door (2), and the limiting rod (14) is abutted to the circuit breaker (5) when the cabinet door (2) is completely opened.
2. An intelligent locking anti-misoperation device according to claim 1, wherein the elastic mechanism comprises a mounting plate fixedly mounted in the box body (1), and restoring structures symmetrically mounted on the mounting plate;
the recovery structure is in rolling connection with the pressing mechanism, and is connected with the limiting rod (14) through two connecting plates (13) which are symmetrically arranged.
3. An intelligent locking anti-misoperation device according to claim 2, wherein the recovery structure comprises a guide rod (15) fixedly mounted on the mounting plate, a first spring (16) sleeved on the guide rod (15), and a transverse plate (11) slidably arranged on the guide rod (15) and abutted against the first spring (16);
the transverse plate (11) is connected with the pressing mechanism in a rolling mode, and the transverse plate (11) is symmetrically and fixedly provided with the two connecting plates (13).
4. The intelligent locking anti-misoperation device according to claim 3, wherein the pressing mechanism comprises a driving structure arranged between the cabinet door (2) and the box body (1), a bevel gear set (7) connected with the driving structure through a first belt (6) and rotatably arranged in the box body (1), and a yielding structure arranged between the box body (1) and the transverse plate (11) and connected with the bevel gear set (7) through a second belt (9).
5. An intelligent locking anti-misoperation device according to claim 4, wherein the driving structure comprises an incomplete gear (3) fixedly connected with the cabinet door (2), and a complete gear (4) engaged with the incomplete gear (3) and rotatably mounted in the box body (1), wherein the complete gear (4) is connected with the bevel gear set (7) through the first belt (6);
the incomplete gear (3) and the rotating shaft of the cabinet door (2) are coaxially arranged.
6. The intelligent locking anti-misoperation device according to claim 4, wherein the abdicating structure comprises a baffle (8) fixedly installed in the box body (1), a cam (10) connected with the bevel gear set (7) through the second belt (9) and rotatably installed on the baffle (8), and a first pulley (12) rotatably installed on the transverse plate (11) and in rolling connection with the cam (10).
7. An anti-misoperation ring main unit, comprising the intelligent locking anti-misoperation device according to any one of claims 2-6, further comprising:
the locking assembly is mounted at one end of the limiting rod (14) and is used for adjusting the position of the limiting rod (14);
the transparent window is fixedly arranged on the cabinet door (2).
8. The anti-misoperation ring main unit according to claim 7, wherein the locking assembly comprises a circular chamber arranged at one end of the limiting rod (14), a second spring (18) arranged in the circular chamber, a locking rod (20) connected with the second spring (18) and movably arranged through the circular chamber, a second pulley (21) rotatably mounted at one end of the locking rod (20) far away from the second spring (18), and a limiting groove arranged on the connecting plate (13) and matched with the second pulley (21);
wherein, the other end and another of gag lever post (14) connecting plate (13) rotate to be connected, just seted up on gag lever post (14) and run through circular cavity's logical groove (17), No. two spring (18) with locking pole (20) are connected through limiting plate (19), just fixed mounting has on limiting plate (19) runs through protruding (22) of leading to groove (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110969413.0A CN113675777B (en) | 2021-08-23 | 2021-08-23 | Intelligent locking error-preventing device and error-preventing ring main unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110969413.0A CN113675777B (en) | 2021-08-23 | 2021-08-23 | Intelligent locking error-preventing device and error-preventing ring main unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113675777A true CN113675777A (en) | 2021-11-19 |
| CN113675777B CN113675777B (en) | 2023-09-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110969413.0A Active CN113675777B (en) | 2021-08-23 | 2021-08-23 | Intelligent locking error-preventing device and error-preventing ring main unit |
Country Status (1)
| Country | Link |
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| CN (1) | CN113675777B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114883958A (en) * | 2022-07-11 | 2022-08-09 | 广东电网有限责任公司肇庆供电局 | Automatic control box for power distribution network |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107464707A (en) * | 2016-06-02 | 2017-12-12 | 湖北网安科技有限公司 | A kind of protection blocking mechanism for high-voltage ring main unit |
| CN210110585U (en) * | 2019-06-28 | 2020-02-21 | 国网甘肃省电力公司白银供电公司 | Anti-misoperation device for earthing switch of ring main unit |
| CN210273124U (en) * | 2019-09-12 | 2020-04-07 | 沈阳精锐科技有限公司 | Interlocking device of high-voltage board |
| CN111721387A (en) * | 2020-06-26 | 2020-09-29 | 徐俊俊 | Overweight detection warning mechanism for bridge safety |
| CN112033614A (en) * | 2020-08-05 | 2020-12-04 | 安徽省中测电子科技有限公司 | Positive and negative pressure air sealing device |
| CN212182863U (en) * | 2020-05-21 | 2020-12-18 | 沈阳精锐科技有限公司 | High-safety electrical cabinet |
-
2021
- 2021-08-23 CN CN202110969413.0A patent/CN113675777B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107464707A (en) * | 2016-06-02 | 2017-12-12 | 湖北网安科技有限公司 | A kind of protection blocking mechanism for high-voltage ring main unit |
| CN210110585U (en) * | 2019-06-28 | 2020-02-21 | 国网甘肃省电力公司白银供电公司 | Anti-misoperation device for earthing switch of ring main unit |
| CN210273124U (en) * | 2019-09-12 | 2020-04-07 | 沈阳精锐科技有限公司 | Interlocking device of high-voltage board |
| CN212182863U (en) * | 2020-05-21 | 2020-12-18 | 沈阳精锐科技有限公司 | High-safety electrical cabinet |
| CN111721387A (en) * | 2020-06-26 | 2020-09-29 | 徐俊俊 | Overweight detection warning mechanism for bridge safety |
| CN112033614A (en) * | 2020-08-05 | 2020-12-04 | 安徽省中测电子科技有限公司 | Positive and negative pressure air sealing device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114883958A (en) * | 2022-07-11 | 2022-08-09 | 广东电网有限责任公司肇庆供电局 | Automatic control box for power distribution network |
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| Publication number | Publication date |
|---|---|
| CN113675777B (en) | 2023-09-12 |
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