CN115394584A - Grounding electromagnetic lock device for gas-insulated switchgear circuit breaker unit - Google Patents
Grounding electromagnetic lock device for gas-insulated switchgear circuit breaker unit Download PDFInfo
- Publication number
- CN115394584A CN115394584A CN202211200252.XA CN202211200252A CN115394584A CN 115394584 A CN115394584 A CN 115394584A CN 202211200252 A CN202211200252 A CN 202211200252A CN 115394584 A CN115394584 A CN 115394584A
- Authority
- CN
- China
- Prior art keywords
- baffle
- plate
- rod
- sliding
- push
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- 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
- H01H9/26—Interlocking, locking, or latching mechanisms for interlocking two or more switches
-
- 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
- H02B1/015—Boards, panels, desks; Parts thereof or accessories therefor
- H02B1/04—Mounting thereon of switches or of other devices in general, the switch or device having, or being without, casing
-
- 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
Abstract
The invention discloses a grounding electromagnetic lock device for a circuit breaker unit of an inflatable cabinet, which solves the problem of potential safety hazard when the existing switch cabinet operates a grounding switch through an operation hole; when the electrified sensor detects that the high-voltage wiring terminal is electrified, the breaker unit is switched on, the controller controls the push rod of the push-pull type electromagnet to extend so as to drive the first baffle plate to move to the first position, the first baffle plate shields the first operating hole, and an operator cannot pass through the first operating hole to rotate the operating rod; and when electrified sensor detected that the high voltage terminal is uncharged, breaker unit separating brake, the push rod of controller control plug-type electro-magnet shortens to make first baffle remove to the second position, first baffle no longer shelters from first handle hole this moment, and operating personnel can normally close a floodgate or the operation of separating brake to earthing switch, and is safer.
Description
Technical Field
The invention relates to the technical field of electromagnetic interlocking, in particular to a grounding electromagnetic lock device for a gas-filled cabinet circuit breaker unit.
Background
Existing switchgear cabinets include a circuit breaker unit and an earthing switch, and most of the incoming line terminals of the incoming line switchgear cabinets are at the lower end of the circuit breaker unit. When the incoming line switch cabinet is to be grounded, the grounding switch can be safely operated by ensuring that the circuit breaker unit cuts off the power supply.
An operating hole for operating a grounding switch is formed in an existing switch cabinet, an operating rod can be rotated through the operating hole, and the operating rod is linked with the grounding switch in the switch cabinet, so that the grounding switch in the switch cabinet can be switched on or off through the operation of rotating the operating rod; however, the existing operation hole is of an open structure, namely, the grounding switch can be operated no matter whether a breaker unit of the switch cabinet is switched on or off, and great potential safety hazards exist.
Disclosure of Invention
The invention mainly aims to provide a grounding electromagnetic lock device for a circuit breaker unit of an inflatable cabinet, and aims to solve the problem that the existing operating hole is of an open structure, and a grounding switch can be operated no matter whether the circuit breaker unit of a switch cabinet is opened or closed.
In order to achieve the purpose, the technical scheme provided by the invention is as follows:
a grounding electromagnetic lock device for a circuit breaker unit of an inflatable cabinet comprises a cabinet body, a high-voltage wiring terminal, a charged sensor, a controller, a supporting plate, an operating rod, a first sliding rail, a first baffle and a push-pull electromagnet; the operating rod, the controller and the high-voltage wiring terminal are all arranged in the cabinet body; the charged sensor is arranged close to the high-voltage wiring terminal and used for detecting whether the high-voltage wiring terminal is charged or not; the electrified sensor and the push-pull electromagnet are both electrically connected with the controller; the controller is used for controlling the start and stop of the push-pull electromagnet; the supporting plate is arranged in the cabinet body and is vertically arranged; the operating rod is used for rotating to perform switching-off or switching-on operation on the inlet wire of the grounding switch arranged in the cabinet body; the supporting plate is provided with a first operating hole; the operating rod is right opposite to the first operating hole; the first sliding rail is vertically arranged on the supporting plate; the first baffle is connected with the first slide rail in a sliding manner; the first baffle plate is parallel to the support plate; the first baffle comprises a first position for shielding the first operation hole and a second position for not shielding the first operation hole; the controller is configured to: when the electrified sensor detects that the high-voltage wiring terminal is electrified, the push rod of the push-pull type electromagnet is controlled to extend so as to drive the first baffle plate to move to the first position; when the electrified sensor detects that the high-voltage wiring terminal is not electrified, the push rod of the push-pull type electromagnet is controlled to be shortened, so that the first baffle plate moves to the second position.
Preferably, the device also comprises a first sheave, a second sheave, a pull rope and a pull rod; the push-pull electromagnet is positioned below the first baffle plate; the first grooved wheel and the second grooved wheel are both rotatably arranged on the supporting plate and are both positioned above the push-pull electromagnet; the pull rod is connected to the supporting plate in a sliding mode and is located below the push-pull type electromagnet; the pull rod is horizontally arranged; the sliding direction of the pull rod is a vertical direction; one end of the inhaul cable is connected to the top of the first baffle; the other end of the inhaul cable is sequentially wound on the first grooved wheel and the second grooved wheel and connected to the pull rod; the rotating shafts of the first sheave and the second sheave are both horizontally arranged, and the rotating shafts of the first sheave and the second sheave are positioned on the same horizontal line; and a push rod of the push-pull electromagnet is connected with the pull rod.
Preferably, the device further comprises a second slide rail; the second sliding rail is vertically arranged on the supporting plate and is positioned on one side, away from the first sliding rail, of the first operating hole; the two ends of the pull rod are respectively connected with the first sliding rail and the second sliding rail in a sliding mode.
Preferably, the cross sections of the first slide rail and the second slide rail are both trapezoidal; the first baffle is provided with a first sliding chute; the cross section of the first sliding chute is trapezoidal; the first baffle is matched with the first sliding groove through the first sliding groove and is sleeved on the first sliding rail in a sliding manner; a second sliding groove and a third sliding groove are respectively formed in two ends of the pull rod; the cross sections of the second sliding groove and the third sliding groove are trapezoidal; the pull rod is matched and sleeved on the first sliding rail through the second sliding groove, and the third sliding groove is matched and sleeved on the second sliding rail.
Preferably, the device also comprises a first baffle plate, a second baffle plate and a first spring; the first baffle plate is vertically connected to the supporting plate and is positioned above the first baffle plate; the second baffle is vertically connected to the top of the first baffle; the first blocking piece and the second blocking piece are both horizontally arranged, and the first blocking piece is right opposite to the second blocking piece; one end of the first spring is connected to the first blocking piece, and the other end of the first spring is connected to the second blocking piece; the first spring is in a compressed state; the elastic force of the first spring makes the first baffle plate have a descending trend.
Preferably, the device also comprises a connecting rod and a stop block; the bottom end of the connecting rod is connected to the second blocking piece, and the top end of the connecting rod movably penetrates through the first blocking piece; the connecting rod is vertically arranged; the first spring is sleeved on the connecting rod; the stop block is connected to the support plate and positioned between the push-pull electromagnet and the first baffle plate; the stop block is used for abutting against the bottom of the first baffle plate.
Preferably, the cabinet door is further included; the cabinet door is used for sealing the cabinet body; the cabinet door is provided with a second operating hole; when the cabinet door is closed; the second operation hole is directly opposite to the first operation hole.
Preferably, the device further comprises a first connecting plate, a second baffle, a second connecting plate and a locking plate; the first connecting plate is vertically connected to the inner wall of the cabinet door; the first connecting plate is vertically arranged; the locking plate is connected to the first connecting plate; the locking plate is parallel to the cabinet door; when the cabinet door is closed, the locking plate is parallel to the supporting plate; the second connecting plate is vertically connected to the first baffle; the second connecting plate is vertically arranged; the second baffle is connected to the second connecting plate and parallel to the first baffle; when the cabinet door is closed and the first baffle is located at the first position, the second baffle is abutted against one side, facing the cabinet door, of the locking plate so as to lock the cabinet door; when the first baffle is located at the second position, the second baffle is not abutted to the locking plate so as to release the cabinet door.
Preferably, the upper side edge of the second baffle is connected with an inclined plate; the inclined plate inclines towards the direction far away from the supporting plate.
Preferably, the cabinet body comprises a side plate which is vertically arranged; the device also comprises a first sliding rod, a second spring, a third baffle, a fourth baffle and a stress plate; the first sliding rod and the second sliding rod are both vertically connected to the side plate, and are both horizontally arranged; the upper part of the supporting plate is slidably sleeved on the first sliding rod, and the lower part of the supporting plate is slidably sleeved on the second sliding rod;
the third baffle is connected to one end, far away from the side plate, of the first sliding rod; the second spring is sleeved on the first sliding rod, one end of the second spring is connected to the third baffle, and the other end of the second spring is connected to the supporting plate; the fourth baffle is connected to one end, far away from the side plate, of the second sliding rod; the third spring is sleeved on the second sliding rod, one end of the third spring is connected to the fourth baffle, and the other end of the third spring is connected to the supporting plate; the second spring and the third spring are in a compressed state, so that the supporting plate is abutted against the inner wall of the side plate;
the supporting plate is provided with a third operating hole; the third operating hole and the operating rod are positioned at the same height; the third operating hole is positioned between the first baffle and the side plate; the stress plate is connected to one side, close to the side plate, of the supporting plate, and is vertically arranged; the side plate is provided with a through hole which is communicated in the lateral direction; the through hole is just opposite to the stressed plate; the supporting plate can horizontally move to a position where the third operating hole is opposite to the operating rod.
Compared with the prior art, the invention at least has the following beneficial effects:
the grounding electromagnetic lock device for the circuit breaker unit of the gas-filled cabinet solves the problem of potential safety hazard when the existing switch cabinet operates the grounding switch through the operation hole; specifically, when the charged sensor detects that the high-voltage wiring terminal is charged, it is stated that the inlet cabinet is in a powered-on state at the moment, namely the breaker unit is switched on, and the grounding switch is strictly forbidden to be operated at the moment, so that the controller controls the push rod of the push-pull type electromagnet to extend to drive the first baffle to move to the first position, the first baffle blocks the first operation hole at the moment, and an operator cannot pass through the first operation hole to rotate the operation rod, so that the grounding switch is operated, and the operation is safer; when the electrified sensor detects that the high-voltage wiring terminal is not electrified, the incoming line cabinet is in a power-off state at the moment, namely the breaker unit is opened, the grounding switch can be operated at the moment, so that the controller controls the push rod of the push-pull type electromagnet to be shortened, the first baffle plate moves to the second position, the first baffle plate does not shield the first operation hole, an operator can normally pass through the first operation hole to rotate the operation rod, and the grounding switch is switched on or switched off; in conclusion, the grounding electromagnetic lock device for the circuit breaker unit of the gas-filled cabinet can operate the grounding switch only under the condition that the circuit breaker unit in the cabinet body is in the opening state, so that the grounding electromagnetic lock device is safer.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic structural view of an embodiment of a grounding electromagnetic lock device for a gas insulated switchgear circuit breaker unit according to the present invention;
FIG. 2 is an enlarged detail view A of FIG. 1 (with the first shutter plate in the first position);
FIG. 3 is an enlarged detail view A of FIG. 1 (with the first shutter plate in the second position);
fig. 4 is a schematic structural view illustrating a support plate in another state according to an embodiment of the grounded electromagnetic lock device for a gas tank circuit breaker unit according to the present invention.
Description of reference numerals:
110. a cabinet body; 120. a cabinet door; 130. a side plate; 140. a second operation hole; 150. a support plate; 160. a first baffle plate; 170. a first slide rail; 180. a second slide rail; 190. a push-pull electromagnet; 210. a pull rod; 220. a push rod; 230. a first sheave; 240. a second sheave; 250. a cable; 260. a vent pipe; 270. a vent; 280. a through hole; 290. a stress plate; 310. a second baffle plate; 320. a first baffle plate; 330. a first spring; 340. a connecting rod; 350. a first operation hole; 360. an operating lever; 370. a third operation hole; 380. a stopper; 390. a first slide bar; 410. a second spring; 420. a third baffle plate; 430. a second slide bar; 440. a third spring; 450. a fourth baffle; 460. a second connecting plate; 470. a second baffle; 480. a sloping plate.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely 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.
It should be noted that all the directional indicators (such as upper, lower, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, descriptions such as "first", "second", etc. in the present invention are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise explicitly stated or limited, the terms "connected", "fixed", and the like are to be understood broadly, for example, "fixed" may be fixedly connected, may be detachably connected, or may be integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be interconnected within two elements or in a relationship where two elements interact with each other unless otherwise specifically limited. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In addition, the technical solutions in the embodiments of the present invention may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination of technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
The invention provides a grounding electromagnetic lock device for a gas-filled tank circuit breaker unit.
Referring to fig. 1 to 4, in an embodiment of the grounded electromagnetic lock device for a gas-filled tank circuit breaker unit according to the present invention, the grounded electromagnetic lock device for a gas-filled tank circuit breaker unit includes a tank body 110, a high voltage terminal (not shown), a charge sensor (not shown), a controller (not shown), a support plate 150, an operating rod 360, a first sliding rail 170, a first baffle 160, and a push-pull electromagnet 190; the operating rod 360, the controller and the high-voltage wiring terminal are all arranged in the cabinet body 110; the charged sensor is arranged close to the high-voltage binding post and used for detecting whether the high-voltage binding post is charged or not (the charged sensor is the prior art and is not described herein again); the charged sensor and the push-pull electromagnet 190 are both electrically connected with a controller (the controller is preferably a single chip microcomputer); the controller is used for controlling the start and stop of the push-pull electromagnet 190; the supporting plate 150 is arranged in the cabinet body 110, and the supporting plate 150 is arranged vertically; the operating rod 360 is used for rotating to perform an incoming line switching-off or switching-on operation on a grounding switch disposed in the cabinet 110 (this is prior art and is not described herein again).
The supporting plate 150 is provided with a first operation hole 350 (the first operation hole 350 is a circular hole); the operating lever 360 is directly opposite to the first operating hole 350; the first slide rail 170 is vertically disposed on the support plate 150; the first baffle 160 is slidably connected to the first slide rail 170; the first baffle 160 is parallel to the support plate 150; the first shutter 160 includes a first position to shield the first manipulation hole 350, and a second position to shield the first manipulation hole 350; the controller is used for: when the electrified sensor detects that the high-voltage wiring terminal is electrified, the push rod 220 of the push-pull type electromagnet 190 is controlled to extend so as to drive the first baffle 160 to move to the first position; when the electrified sensor detects that the high-voltage wiring terminal is not electrified, the push rod 220 of the push-pull type electromagnet 190 is controlled to be shortened, so that the first baffle 160 moves to the second position.
The grounding electromagnetic lock device for the circuit breaker unit of the gas-filled cabinet solves the problem of potential safety hazard when the existing switch cabinet operates the grounding switch through the operation hole; specifically, when the electrified sensor detects that the high-voltage wiring terminal is electrified, it is stated that the inlet wire cabinet is in an electrified state at this moment, namely, the breaker unit is switched on, and at this moment, the grounding switch is strictly forbidden to operate, so the push rod 220 of the push-pull type electromagnet 190 is controlled by the controller to extend (as shown in fig. 2) so as to drive the first baffle 160 to move to the first position, at this moment, the first baffle 160 shields the first operating hole 350, and an operator cannot pass through the first operating hole 350 to rotate the operating rod 360, so that the grounding switch is operated, and therefore, the operation is safer.
When the charged sensor detects that the high-voltage wiring terminal is not charged, that is, the incoming line cabinet is in a power-off state at the moment, that is, the breaker unit is opened, the grounding switch can be operated at the moment, so that the controller controls the push rod 220 of the push-pull type electromagnet 190 to be shortened so as to move the first baffle 160 to the second position, at the moment, the first baffle 160 does not shield the first operating hole 350 any more, and an operator can normally pass through the first operating hole 350 to rotate the operating rod 360, so that the grounding switch is switched on or switched off; in summary, the grounding electromagnetic lock device for the circuit breaker unit of the gas-filled tank can operate the grounding switch only when the circuit breaker unit in the tank body 110 is in the open state, so that the grounding electromagnetic lock device is safer.
In addition, the grounding electromagnetic lock device for the gas-filled cabinet circuit breaker unit further comprises a first sheave 230, a second sheave 240, a pull rope 250 and a pull rod 210; the push-pull electromagnet 190 is positioned below the first baffle 160; the first sheave 230 and the second sheave 240 are both rotatably disposed on the support plate 150, and the first sheave 230 and the second sheave 240 are both located above the push-pull electromagnet 190; the pull rod 210 is slidably connected to the support plate 150, and the pull rod 210 is located below the push-pull electromagnet 190; the pull rod 210 is horizontally arranged; the sliding direction of the pull rod 210 is a vertical direction; one end of the stay 250 is connected to the top of the first baffle 160; the other end of the cable 250 is sequentially wound around the first sheave 230 and the second sheave 240 and connected to the pull rod 210; the rotating shafts of the first sheave 230 and the second sheave 240 are both horizontally arranged, and the rotating shafts of the first sheave 230 and the second sheave 240 are located on the same horizontal line; the push rod 220 of the push-pull electromagnet 190 is connected to the pull rod 210.
Specifically, when the electrified sensor detects that the high-voltage wiring terminal is electrified, that is, the wiring cabinet is in an electrified state at the moment, the controller controls the push rod 220 of the push-pull electromagnet 190 to extend to drive the pull rod 210 to descend and drive the pull cable 250 to move, so that the first baffle 160 is pulled upwards, and finally the first baffle 160 moves to the first position, and at the moment, the first baffle 160 shields the first operating hole 350; when the electrified sensor detects the power failure of the high-voltage wiring terminal, that is, it is said that the inlet cabinet is in the power failure state at this time, the controller controls the push rod 220 of the push-pull type electromagnet 190 to be shortened to drive the pull rod 210 to ascend, drive the pull cable 250 to move, and the first baffle 160 descends under the action of self weight, so that the first baffle 160 moves to the second position, and at this time, the first baffle 160 does not shield the first operating hole 350 any more.
Meanwhile, the grounding electromagnetic lock device for the gas-filled cabinet circuit breaker unit also comprises a second slide rail 180; the second slide rail 180 is vertically arranged on the support plate 150, and the second slide rail 180 is located on one side of the first operation hole 350 away from the first slide rail 170; the two ends of the pull rod 210 are slidably connected to the first slide rail 170 and the second slide rail 180, respectively.
Specifically, the cross sections of the first slide rail 170 and the second slide rail 180 are both trapezoidal; the first baffle 160 is opened with a first chute (not shown); the cross section of the first sliding chute is trapezoidal; the first baffle 160 is slidably sleeved on the first slide rail 170 through the first sliding groove; a second sliding groove (not shown) and a third sliding groove (not shown) are respectively formed at two ends of the pull rod 210; the cross sections of the second sliding chute and the third sliding chute are trapezoidal; the pull rod 210 is disposed on the first slide rail 170 through the second sliding slot, and the third sliding slot is disposed on the second slide rail 180.
Through the technical scheme, the structure and the function of the grounding electromagnetic lock device for the gas-filled cabinet circuit breaker unit are perfected; by setting the cross section of the first slide rail 170 to be trapezoidal and setting the first slide groove to be trapezoidal, it is possible to prevent the first shutter 160 from being turned over during the lifting process.
In addition, the grounding electromagnetic locking device for the gas-filled cabinet circuit breaker unit further comprises a first baffle 320, a second baffle 310 and a first spring 330; the first blocking piece 320 is vertically connected to the supporting plate 150, and the first blocking piece 320 is located above the first baffle 160; the second baffle 310 is vertically connected to the top of the first baffle 160; the first baffle piece 320 and the second baffle piece 310 are both horizontally arranged, and the first baffle piece 320 is opposite to the second baffle piece 310; one end of the first spring 330 is connected to the first blocking plate 320, and the other end of the first spring 330 is connected to the second blocking plate 310; the first spring 330 is in a compressed state; the elastic force of the first spring 330 makes the first shutter 160 have a tendency to descend.
Through setting up first separation blade 320, second separation blade 310 and first spring 330, when electrified sensor detects the high-voltage wiring terminal outage, it is in the outage state to explain promptly that the inlet wire cabinet is in this moment, push rod 220 of controller control plug-type electro-magnet 190 shortens, rise with drive pull rod 210, drive cable 250 and remove, first baffle 160 descends under the effect of the elasticity of dead weight and first spring 330, thereby make first baffle 160 remove to the second position, first baffle 160 does not shelter from first handle hole 350 again this moment.
Specifically, the grounding electromagnetic lock device for the gas-filled cabinet circuit breaker unit further comprises a connecting rod 340 and a stop block 380; the bottom end of the connecting rod 340 is connected to the second baffle 310, and the top end of the connecting rod 340 movably penetrates through the first baffle 320; the connecting rod 340 is vertically arranged; the first spring 330 is sleeved on the connecting rod 340; the stopper 380 is connected to the supporting plate 150, and the stopper 380 is located between the push-pull electromagnet 190 and the first baffle 160; the stop 380 is adapted to abut the bottom of the first stop 160. By providing the link 340, the position of the first spring 330 can be maintained.
In addition, the grounding electromagnetic lock device for the gas-filled cabinet circuit breaker unit further comprises a cabinet door 120; the cabinet door 120 is used for closing the cabinet body 110; the cabinet door 120 is provided with a second operation hole 140; when the cabinet door 120 is closed; the second manipulation hole 140 is directly opposite to the first manipulation hole 350. So that the operator can perform the rotating operation of the operating lever 360 through the second operating hole 140.
Meanwhile, the grounding electromagnetic lock device for the gas-filled tank circuit breaker unit further comprises a first connecting plate (not shown), a second baffle 470, a second connecting plate 460 and a locking plate (not shown); the first connecting plate is vertically connected to the inner wall of the cabinet door 120; the first connecting plate is vertically arranged; the locking plate is connected with the first connecting plate; the locking plate is parallel to the cabinet door 120; when the cabinet door 120 is closed, the locking plate is parallel to the support plate 150, and the locking plate is located between the cabinet door 120 and the support plate 150; the second connection plate 460 is vertically connected to the first barrier 160; the second connecting plate 460 is vertically arranged; the second baffle 470 is connected to the second connecting plate 460, and the second baffle 470 is parallel to the first baffle 160; when the cabinet door 120 is closed and the first shutter 160 is located at the first position, the second shutter 470 abuts against one side of the locking plate facing the cabinet door 120 to lock the cabinet door 120; when the first shutter 160 is located at the second position, the second shutter 470 does not abut against the locking plate to release the cabinet door 120.
Specifically, as the circuit breaker unit needs to be switched on when the cabinet door 120 is closed, it is safer, and when the cabinet door 120 is closed and the circuit breaker unit is switched on, the first baffle 160 is driven to move to the first position by the push-pull electromagnet 190 due to the high-voltage wiring terminal being electrified, and at this time, the second baffle 470 abuts against one side of the locking plate, which faces the cabinet door 120, so as to lock the cabinet door 120, thereby preventing the cabinet door 120 from being opened by mistake, and being safer; namely, when the high-voltage terminal is electrified, the cabinet door 120 cannot be opened; when the circuit breaker unit is opened, the first shutter 160 is in the second position, and the second shutter 470 is not abutted to the lock plate, so that the cabinet door 120 can be opened.
Specifically, the upper side edge of the second baffle 470 is connected with a sloping plate 480; the inclined plate 480 is inclined in a direction away from the support plate 150. With this arrangement, the second shutter 470 can move upward to abut the lock plate more smoothly.
Further, the cabinet 110 includes side plates 130 disposed vertically; the device also comprises a first slide bar 390, a second slide bar 430, a second spring 410, a third spring 440, a third baffle 420, a fourth baffle 450 and a force bearing plate 290; the first slide bar 390 and the second slide bar 430 are both vertically connected to the side plate 130, and the first slide bar 390 and the second slide bar 430 are both horizontally disposed; the upper portion of the supporting plate 150 is slidably sleeved on the first sliding bar 390, and the lower portion of the supporting plate 150 is slidably sleeved on the second sliding bar 430.
The third baffle 420 is connected to an end of the first slide bar 390 remote from the side plate 130; the second spring 410 is sleeved on the first slide bar 390, one end of the second spring 410 is connected to the third baffle 420, and the other end of the second spring 410 is connected to the support plate 150; the fourth baffle 450 is connected to one end of the second sliding bar 430 far away from the side plate 130; the third spring 440 is sleeved on the second sliding rod 430, one end of the third spring 440 is connected to the fourth baffle 450, and the other end of the third spring 440 is connected to the supporting plate 150; the second spring 410 and the third spring 440 are compressed to make the supporting plate 150 abut against the inner wall of the side plate 130.
The supporting plate 150 is provided with a third operating hole 370; the third operation hole 370 and the operation lever 360 are located at the same height; the third operation hole 370 is positioned between the first shutter 160 and the side plate 130; the stress plate 290 is connected to one side of the support plate 150 close to the side plate 130, and the stress plate 290 is vertically arranged; the side plate 130 is provided with a through hole 280 which is laterally penetrated; the through hole 280 is opposite to the force-bearing plate 290; the support plate 150 can be horizontally moved to a position where the third manipulation hole 370 is directly opposite to the manipulation lever 360.
Through the technical scheme, the grounding switch can be operated in an emergency, for example, when a charged sensor fails, so that the push-pull electromagnet 190 is extended all the time, and even if the breaker unit is opened, the grounding switch cannot be operated, the push-pull electromagnet can be used for extending into the through hole 280 and abutting against the stress plate 290, then the support plate 150 is pushed to move towards the direction away from the side plate 130, and finally the third operation hole 370 is opposite to the operation rod 360, and at the moment, the operation rod 360 can be rotated through the third operation hole 370, so that the grounding switch is opened or closed.
Specifically, the grounding electromagnetic lock device for the gas-filled cabinet breaker unit further comprises a ventilation pipe 260 arranged on the support plate 150; the ventilation tube 260 is a rectangular tube; the first slide rail 170 penetrates through the ventilation pipe 260; the vent pipe 260 is covered on the push-pull electromagnet 190, and the push rod 220 of the push-pull electromagnet 190 extends out of the vent pipe 260; the ventilation tube 260 includes an air inlet and an air outlet; a fan (not shown) is arranged at the air inlet; the side plate 130 is provided with a ventilation opening 270 which is right opposite to the air outlet; the ventilation opening 270 is embedded with a grill (not shown).
Through the arrangement of the ventilation pipe 260, the fan blows air to the push-pull electromagnet 190, and then ventilation and heat dissipation are carried out on the push-pull electromagnet 190, so that the working temperature of the push-pull electromagnet 190 is reduced, and the push-pull electromagnet 190 is prevented from being damaged by high temperature generated due to long-time energization of a coil.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. A grounding electromagnetic lock device for a circuit breaker unit of an inflatable cabinet is characterized by comprising a cabinet body, a high-voltage binding post, a charged sensor, a controller, a supporting plate, an operating rod, a first sliding rail, a first baffle and a push-pull electromagnet; the operating rod, the controller and the high-voltage wiring terminal are all arranged in the cabinet body; the charged sensor is arranged close to the high-voltage wiring terminal and used for detecting whether the high-voltage wiring terminal is charged or not; the electrified sensor and the push-pull electromagnet are both electrically connected with the controller; the controller is used for controlling the start and stop of the push-pull electromagnet; the supporting plate is arranged in the cabinet body and is vertically arranged; the operating rod is used for rotating to perform switching-off or switching-on operation on the inlet wire of the grounding switch arranged in the cabinet body; the supporting plate is provided with a first operating hole; the operating rod is right opposite to the first operating hole; the first sliding rail is vertically arranged on the supporting plate; the first baffle is connected with the first slide rail in a sliding manner; the first baffle plate is parallel to the support plate; the first baffle comprises a first position for shielding the first operating hole and a second position for not shielding the first operating hole; the controller is configured to: when the electrified sensor detects that the high-voltage wiring terminal is electrified, the push rod of the push-pull type electromagnet is controlled to extend so as to drive the first baffle plate to move to the first position; when the electrified sensor detects that the high-voltage wiring terminal is not electrified, the push rod of the push-pull type electromagnet is controlled to be shortened, so that the first baffle plate moves to the second position.
2. The grounded electromagnetic lock device for a gas-filled tank circuit breaker unit of claim 1, further comprising a first sheave, a second sheave, a pull cable and a pull rod; the push-pull electromagnet is positioned below the first baffle; the first grooved wheel and the second grooved wheel are both rotatably arranged on the supporting plate, and are both positioned above the push-pull electromagnet; the pull rod is connected to the support plate in a sliding mode and is located below the push-pull type electromagnet; the pull rod is horizontally arranged; the sliding direction of the pull rod is a vertical direction; one end of the inhaul cable is connected to the top of the first baffle; the other end of the inhaul cable is sequentially wound on the first grooved wheel and the second grooved wheel and is connected to the pull rod; the rotating shafts of the first sheave and the second sheave are both horizontally arranged, and the rotating shafts of the first sheave and the second sheave are positioned on the same horizontal line; and a push rod of the push-pull electromagnet is connected with the pull rod.
3. The grounded electromagnetic lock device for the gas-filled cabinet circuit breaker unit according to claim 2, characterized by further comprising a second slide rail; the second sliding rail is vertically arranged on the supporting plate and is positioned on one side, away from the first sliding rail, of the first operating hole; the two ends of the pull rod are respectively connected with the first sliding rail and the second sliding rail in a sliding mode.
4. The grounded electromagnetic lock device for the gas-filled cabinet circuit breaker unit according to claim 3, wherein the cross sections of the first slide rail and the second slide rail are trapezoidal; the first baffle is provided with a first sliding chute; the cross section of the first sliding chute is trapezoidal; the first baffle is matched with the first sliding groove through the first sliding groove and is sleeved on the first sliding rail in a sliding manner; a second sliding groove and a third sliding groove are respectively formed in two ends of the pull rod; the cross sections of the second sliding groove and the third sliding groove are both trapezoidal; the pull rod is sleeved on the first slide rail through the second sliding groove in a matching manner, and the third sliding groove is sleeved on the second slide rail in a matching manner.
5. The grounded electromagnetic lock device for the gas-filled tank circuit breaker unit according to claim 2, characterized by further comprising a first blocking piece, a second blocking piece and a first spring; the first baffle plate is vertically connected to the supporting plate and is positioned above the first baffle plate; the second baffle is vertically connected to the top of the first baffle; the first blocking piece and the second blocking piece are both horizontally arranged, and the first blocking piece and the second blocking piece are right opposite; one end of the first spring is connected to the first blocking piece, and the other end of the first spring is connected to the second blocking piece; the first spring is in a compressed state; the elastic force of the first spring makes the first baffle plate have a descending trend.
6. The grounded electromagnetic lock device for a gas-filled tank circuit breaker unit of claim 5, further comprising a link and a stop; the bottom end of the connecting rod is connected to the second blocking piece, and the top end of the connecting rod movably penetrates through the first blocking piece; the connecting rod is vertically arranged; the first spring is sleeved on the connecting rod; the stop block is connected to the support plate and positioned between the push-pull electromagnet and the first baffle plate; the stop block is used for abutting against the bottom of the first baffle plate.
7. The grounded electromagnetic lock device for a gas-filled tank circuit breaker unit of claim 1, further comprising a cabinet door; the cabinet door is used for sealing the cabinet body; the cabinet door is provided with a second operating hole; when the cabinet door is closed; the second operation hole is directly opposite to the first operation hole.
8. The grounded electromagnetic lock device for a gas-filled tank circuit breaker unit of claim 7, further comprising a first connecting plate, a second baffle, a second connecting plate and a locking plate; the first connecting plate is vertically connected to the inner wall of the cabinet door; the first connecting plate is vertically arranged; the locking plate is connected to the first connecting plate; the locking plate is parallel to the cabinet door; when the cabinet door is closed, the locking plate is parallel to the supporting plate; the second connecting plate is vertically connected to the first baffle; the second connecting plate is vertically arranged; the second baffle is connected to the second connecting plate, and the second baffle is parallel to the first baffle; when the cabinet door is closed and the first baffle is located at the first position, the second baffle is abutted against one side, facing the cabinet door, of the locking plate so as to lock the cabinet door; when the first baffle is located at the second position, the second baffle is not abutted to the locking plate so as to release the cabinet door.
9. The grounded electromagnetic lock device for a gas-filled tank circuit breaker unit according to claim 8, wherein an inclined plate is connected to an upper side edge of the second barrier; the inclined plate inclines towards the direction far away from the supporting plate.
10. The grounded electromagnetic lock device for a gas-filled tank circuit breaker unit of claim 1, wherein the tank body comprises vertically disposed side plates; the device also comprises a first sliding rod, a second spring, a third baffle, a fourth baffle and a stress plate; the first sliding rod and the second sliding rod are both vertically connected to the side plate, and are both horizontally arranged; the upper part of the supporting plate is slidably sleeved on the first sliding rod, and the lower part of the supporting plate is slidably sleeved on the second sliding rod;
the third baffle is connected to one end, far away from the side plate, of the first sliding rod; the second spring is sleeved on the first sliding rod, one end of the second spring is connected to the third baffle, and the other end of the second spring is connected to the supporting plate; the fourth baffle is connected to one end, far away from the side plate, of the second sliding rod; the third spring is sleeved on the second sliding rod, one end of the third spring is connected to the fourth baffle, and the other end of the third spring is connected to the supporting plate; the second spring and the third spring are in a compressed state, so that the supporting plate is abutted against the inner wall of the side plate;
the supporting plate is provided with a third operating hole; the third operating hole and the operating rod are positioned at the same height; the third operating hole is positioned between the first baffle plate and the side plate; the stress plate is connected to one side, close to the side plate, of the supporting plate and is vertically arranged; the side plate is provided with a through hole which is communicated in the lateral direction; the through hole is just opposite to the stressed plate; the supporting plate can horizontally move to a position where the third operating hole is opposite to the operating rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211200252.XA CN115394584A (en) | 2022-09-29 | 2022-09-29 | Grounding electromagnetic lock device for gas-insulated switchgear circuit breaker unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211200252.XA CN115394584A (en) | 2022-09-29 | 2022-09-29 | Grounding electromagnetic lock device for gas-insulated switchgear circuit breaker unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115394584A true CN115394584A (en) | 2022-11-25 |
Family
ID=84128888
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211200252.XA Pending CN115394584A (en) | 2022-09-29 | 2022-09-29 | Grounding electromagnetic lock device for gas-insulated switchgear circuit breaker unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115394584A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116819141A (en) * | 2023-08-30 | 2023-09-29 | 山东天鲲电力科技有限公司 | SF6 inflatable cabinet test specialized tool |
-
2022
- 2022-09-29 CN CN202211200252.XA patent/CN115394584A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116819141A (en) * | 2023-08-30 | 2023-09-29 | 山东天鲲电力科技有限公司 | SF6 inflatable cabinet test specialized tool |
| CN116819141B (en) * | 2023-08-30 | 2023-11-21 | 山东天鲲电力科技有限公司 | SF6 inflatable cabinet test specialized tool |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104604055B (en) | Are-tight ventilating system for switching device | |
| US4090230A (en) | High voltage motor starter enclosure | |
| CN115394584A (en) | Grounding electromagnetic lock device for gas-insulated switchgear circuit breaker unit | |
| KR101126941B1 (en) | Interlock device of breaker and door in switch board | |
| US5227952A (en) | Interlock device for circuit breakers | |
| KR101756726B1 (en) | The door lock for switchboard equipped with emergency interlock releasing devices | |
| CN106025892B (en) | Xiamen interlock after a kind of switchgear | |
| CN2929950Y (en) | Fall-down type fuse of radio remote control with lock device | |
| CN201868274U (en) | Interlocking mechanism of switch cabinet | |
| CN2521797Y (en) | Indoor metal-clad with drawable switch equipment | |
| CN209860466U (en) | Power distribution switchgear and aviation plug interlocking device thereof | |
| CN204802793U (en) | No computer lab switch board | |
| CN210297052U (en) | GIS switch cabinet | |
| CN109650203B (en) | Shallow pit installs elevator additional and electrical system thereof | |
| CN209169035U (en) | A kind of safe interlocked control switch | |
| CN210313006U (en) | Shallow pit electric system additionally provided with elevator | |
| CN102354919A (en) | Miniaturized high-insulation switch equipment | |
| CN105186310B (en) | The mechanical interlocks of outdoor compact type intelligent substation high-tension switch cabinet | |
| CN205489222U (en) | Chain operating device's of high -voltage board unlocking sheet structure | |
| RU2792976C1 (en) | High-voltage switchgear assembly | |
| CN214254178U (en) | Interlocking device for preventing misoperation of three-position switch | |
| CN214203548U (en) | Grounding hanging door interlock of full-insulation inflatable cabinet load switch cabinet | |
| CN218101017U (en) | Power distribution system with extractable power distribution module | |
| CN214379641U (en) | Novel intelligent switch cabinet for transformer substation | |
| CN218449090U (en) | Safe type intelligence switch cabinet |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |