CN210692391U - Circuit breaker with anti-misoperation closing device - Google Patents
Circuit breaker with anti-misoperation closing device Download PDFInfo
- Publication number
- CN210692391U CN210692391U CN201922042099.2U CN201922042099U CN210692391U CN 210692391 U CN210692391 U CN 210692391U CN 201922042099 U CN201922042099 U CN 201922042099U CN 210692391 U CN210692391 U CN 210692391U
- Authority
- CN
- China
- Prior art keywords
- circuit breaker
- swing arm
- limiting
- module
- locking piece
- 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.)
- Active
Links
Images
Landscapes
- Breakers (AREA)
Abstract
The utility model discloses a circuit breaker of closing device is prevented mistake in area, include electrical operation module, circuit breaker module and be used for connecting electrical operation module with circuit breaker module's jump buckle needle, electrical operation module includes the swing arm, the circuit breaker still includes locking piece and holding portion, holding portion includes opening and clamping part, the locking piece under the exogenic action can with the opening cooperate to end in the first position of predetermineeing, and can with the swing arm offsets and will the swing arm limits in the primary importance of separating brake state, the locking piece under the exogenic action can with clamping part cooperation ends in the second predetermine the position, just the swing arm is located the second position of relieving the restriction. The circuit breaker with the anti-misoperation closing device effectively improves the reliability and safety of the equipment maintenance process.
Description
Technical Field
The utility model relates to a power equipment technical field, more specifically say, relate to a circuit breaker of closing device is prevented mistake in area.
Background
In the prior art, a remote control circuit breaker usually adopts a remote control mode to realize the opening and closing processes of the circuit breaker. When the circuit overhauls, the circuit breaker need remain throughout in the position of separating the floodgate, however, because remote control circuit breaker has many people operation authority and lacks effectual self-lock device for the circuit overhauls the in-process, the remote control circuit breaker still keeps controlled state, and this makes long-range remote control circuit breaker of remote operating personnel closing maloperation in strange land become possible, seriously will harm personal safety, cause loss of property.
Therefore, how to prevent the remote control breaker from being switched on by mistake in the switching-off state and improve the safety of equipment maintenance is a technical problem that needs to be solved urgently by technical personnel in the field.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a circuit breaker of combined floodgate device is prevented mistake in area has improved the reliability and the security of overhaul of the equipments process effectively.
The specific scheme is as follows:
the utility model provides a circuit breaker of closing device is prevented mistake in area, includes electric operation module, circuit breaker module and is used for connecting electric operation module with circuit breaker module's jump buckle needle, electric operation module includes the swing arm, the circuit breaker still includes locking piece and holding portion, holding portion includes opening and clamping part, the locking piece under the exogenic action can with the opening cooperate to end in the first preset position, and can with the swing arm offsets and will the swing arm restricts in the primary importance of separating brake state, the locking piece under the exogenic action can with clamping part cooperation ends in the second preset position, just the swing arm is located the second position of removing the restriction.
The locking piece includes the body be equipped with clamping part and spacing arch on the body in proper order, clamping part with form the joint interface that is used for the joint opening between the body, the locking piece with the opening cooperate with will the locking piece end in first default position, spacing arch with the swing arm offsets and will the swing arm is restricted in the separating brake state.
The containing part is provided with a sliding groove for the locking piece to slide and a movable hole for the limiting protrusion to slide.
The buckling part protrudes out of the wider surface of the body, and the body is provided with a through groove for accommodating the buckling part.
The locking piece still includes spacing portion, spacing portion with the hollow groove has between the body, spacing portion includes first spacing portion and the spacing portion of second, first spacing portion is connected the body with the spacing portion of second, just first spacing portion protruding in the body, the spacing portion of second protruding in first spacing portion.
The sliding groove is provided with a limiting hole for being matched with the second limiting part.
The locking piece is of an integrated structure.
The accommodating portion is provided in an electric manipulation housing of the electric manipulation module.
The receiving portion is provided in a case of the circuit breaker module.
The utility model provides a circuit breaker of device that closes a floodgate is prevented mistake in area, through setting up the locking piece, when the circuit overhauls, ends the locking piece in first preset position, and the locking piece offsets with the swing arm this moment, and the swing arm is restricted in the separating brake state because of can not receive external force to rotate, makes the circuit overhaul go on under the safe condition; after the maintenance is finished, the locking piece is manually reset to be stopped at the second preset position, and the circuit breaker can be normally controlled to perform switching-on and switching-off operation. Therefore, the circuit breaker with the anti-misoperation closing device provided by the application adopts a manual drawing mode to realize anti-closing operation, and is simple in structure, convenient to operate and firm in locking.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be 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 embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a circuit breaker module when the circuit breaker with an anti-false switching device provided by the present invention is in a switching-off state;
fig. 2 is a schematic structural diagram of a circuit breaker module when the circuit breaker with the device for preventing false switching-on is in a switching-on state;
fig. 3 is a schematic structural diagram of a locking member in the circuit breaker with a device for preventing false closing according to the present invention;
FIG. 4 is a side elevational view of the circuit breaker in a first position with the latch of FIG. 3 assembled thereto;
FIG. 5 is another side schematic view of the circuit breaker in a first position with the locking member of FIG. 3 assembled;
FIG. 6 is a schematic view of the circuit breaker in a second position with the latch of FIG. 3 assembled;
fig. 7 is a second structural schematic diagram of a locking member in the circuit breaker with the device for preventing false closing according to the present invention;
fig. 8 is a schematic view of the circuit breaker in a first position with the latch of fig. 7 assembled.
The electric control device comprises an electric control module 1, an electric control shell 11, a swing arm 12, a jump buckle 121, a jump buckle pin 122, a swing arm rod 13, a movable hole 2, a breaker module 21, a handle 22, a U-shaped rod 23, a jump buckle 24, a lock catch 241, a trigger hole 25, a movable contact 26, a fixed contact 3, a locking piece 31, a body 321, a buckling part 322, a through groove 33, a limiting part 331, a first limiting part 332, a second limiting part 34, a limiting bulge 34, a hollow groove 35, a containing part 4, an opening part 41, a clamping part 42, a sliding groove 43, a limiting hole 431 and a movable hole 44.
Detailed Description
The utility model provides a circuit breaker of closing device is prevented mistake in area has improved the reliability and the security of overhaul of the equipments process effectively.
In order to make the technical field of the invention better understand, the following detailed description of the invention is provided with reference to the accompanying drawings and the specific embodiments.
The utility model provides a breaker of closing device is prevented mistake in area, including electrical operation module 1, circuit breaker module 2 and jump knot needle 121, jump knot needle 121 is used for connecting electrical operation module 1 and circuit breaker module 2 to realize linkage between them.
The electric operation module 1 comprises an electric operation shell 11, a swing arm 12 and a limit hole 13, wherein the swing arm 12 is installed on the electric operation shell 11 and rotates in the range of the limit hole 13. The circuit breaker module 2 comprises a circuit breaker shell, a handle 21, a U-shaped rod 22, a trip buckle 23 and a lock catch 24, wherein the handle 21, the U-shaped rod 22, the trip buckle 23 and the lock catch 24 are installed on the circuit breaker shell and are sequentially connected in a rotating mode. The trigger hole 241 of the latch 24 is connected to the swing arm 12 through the trip pin 121, thereby forming a link structure and realizing the linkage of the breaker module 2 and the swing arm 12.
In addition, the circuit breaker still includes locking piece 3 and holding portion 4, and holding portion 4 includes opening 41, clamping part 42, spout 43 and activity hole 44, and specifically, opening 41 sets up at circuit breaker casing top surface, and clamping part 42, spout 43 and activity hole 44 set up inside the circuit breaker, and locking piece 3 can slide in holding portion 4 steadily the utility model discloses in order to use circuit breaker handle 21 direction as the top.
During remote control closing operation, the remote control circuit breaker receives closing signals, drives the electrical operation module 1 through the circuit breaker module 2 and carries out closing action, specifically, handle 21 on the circuit breaker module 2 rotates to the left, drives the motion of U type pole 22, and U type pole 22 drives jump 23 and rotates, and jump 23 drives hasp 24 and rotates, and hasp 24 drives moving contact 25 and rotates for moving contact 25 and static contact 26 are closed. In addition, a circular trigger hole 241 is formed in the latch 24 for inserting the trip pin 121, and a movable hole 13 for avoiding the trip pin 121 is formed in the electric operating housing 11, so that the swing arm 12 is mounted on the electric operating housing 11, and the latch 24 is connected with the swing arm 12 through the trip pin 121, so that the latch 24 rotates and drives the swing arm 12 to rotate.
A first position: pulling locking piece 3 to first default position and fixed, locking piece 3's buckle part 321 and opening 41 cooperation promptly, and locking piece 3 offsets with swing arm 12, thereby be restricted to swing arm 12 in the separating brake state, because swing arm 12 action is restricted, therefore, it is restricted with the same action in the trigger hole 241 of the breaker module 2 that swing arm 12 links to each other through tripping pin 121, hasp 24 is in the unblock state this moment, breaker module 2 can't realize closing, so, even the remote control breaker receives the signal of closing still can't carry out effective closing operation, the security of circuit overhaul has been ensured.
A second position: the locking piece 3 is pulled to the second preset position and fixed, namely, the matching of the buckling part 321 of the locking piece 3 and the opening part 41 is released, the locking piece 3 is converted into the matching of the locking piece 3 and the clamping part 42, at the moment, the locking piece 3 releases the limitation on the swing arm 12, the tripping pin 121 can reciprocate in the movable hole 13 along with the switching-on and switching-off of the breaker module 2, and when the remote control breaker receives a switching-on signal, the electric operation module 1 can drive the breaker module 2 to perform switching-on action.
The locking piece 3 comprises a body 31, a buckling part 321 extends from the body 31, the buckling part 321 is formed by extending from the body 31 and making a certain angle with the body 31, the formed angle a is enough to make the buckling part 321 prop against the breaker shell to clamp the locking piece 3, so that the locking piece 3 cannot be completely pulled out of the breaker shell due to external force, and the direction of the buckling part 321 can be any direction within 360 degrees taking the body 31 as a vertical axis; a limiting protrusion 34 extends from the body 31, and the limiting protrusion 34 can abut against the swing arm rod 122 of the swing arm 12 in the first position state, so as to limit the swing arm 12.
The locking member 3 is a non-metal member and has elasticity, so the extending buckling portion 321 has elasticity.
The first scheme is as follows:
the buckling part 321 protrudes from the wider surface of the body 31, an angle a is formed between the buckling part 321 and the body, a through groove 322 for accommodating the buckling part 321 is formed in the body 31, the buckling part 321 can rotate in the direction of reducing the angle a under the action of external pressing force, is accommodated in the through groove 322, and can reset quickly when the external pressing force is removed.
In order to ensure smooth rotation and return, when the locking portion 321 is placed in the through groove 322, a gap exists between the locking portion 321 and the side wall of the through groove 322.
In the locking process, the locking member 3 moves away from the circuit breaker towards the outside of the circuit breaker under the action of external force, at the moment, the buckling part 321 slides along the sliding groove 43, when passing through the opening part 41 on the surface of the circuit breaker shell, the angle a of the buckling part 321 is reduced by elasticity of the buckling part to smoothly move away from the circuit breaker, when the buckling part 321 completely moves away from the opening part 41 on the surface of the circuit breaker shell, the angle a of the buckling part 321 returns to the original state and is clamped on the surface of the shell, when the buckling part 321 slides, the limiting protrusion 34 slides along the movable hole 44 until touching the top of the movable hole 44, at the moment, the limiting protrusion 34 abuts against the swing arm rod 122 of the swing arm 12 to form a locking state, and the circuit breaker is kept at. Even external force sustained action under this state, locking piece 3 can not break away from the circuit breaker completely, and inside and outside all has carried on spacingly to locking piece 3, needs the exogenic action just can remove the locking, ensures the stability that the circuit breaker closed a floodgate the utility model discloses well movable hole 44 is the top near circuit breaker handle 21 direction.
In the unlocking process, only an external force is required to act on the buckling part 321, so that the angle a of the buckling part 321 is reduced, and the buckling part 321 can enter the shell. When the locking part 321 moves into the circuit breaker casing along the slide groove 43 until the locking piece 3 touches the clamping part 42, the limit protrusion 34 releases the limit of the swing arm 12, and the circuit breaker can normally perform the opening and closing operation.
Scheme II:
the buckling part 321 protrudes from the narrower surface of the body 31, and forms an angle a with the body, a limiting part 33 extends from the body 31, a hollow groove 35 is formed between the limiting part 33 and the body 31, the position-limiting portion 33 includes a first position-limiting portion 331 and a second position-limiting portion 332, the first position-limiting portion 331 connects the main body 31 and the second position-limiting portion 332, when the main body 31 is viewed in the vertical direction, the first position-limiting portion 331 protrudes from the main body 31, the second position-limiting portion 332 protrudes from the first position-limiting portion 331, the first position-limiting portion 331 limits the disengagement of the locking member 3 from the opening 41 to prevent the locking member 3 from being disengaged as a whole, the engagement between the second position-limiting portion and the inner wall of the accommodating portion 4 is equivalent to interference fit, if the first position-limiting portion 331 is flush with the second position-limiting portion 332, the friction between the first position-limiting portion 331 and the inner wall during the moving process is too large, whereas the locking element 3 belongs to a multiple-pull part, excessive friction directly results in a considerable reduction of the life of the locking element 3.
The locking member 3 is a non-metal member and has elasticity, so that the extending limiting portion 33 has elasticity.
In the locking process, the locking member 3 moves away from the circuit breaker towards the outside of the circuit breaker under the action of external force, at the moment, the buckling part 321 slides along the sliding groove 43, when passing through the opening part 41 on the surface of the circuit breaker shell, the angle a of the buckling part 321 is reduced by elasticity of the buckling part and smoothly moves away from the circuit breaker, when the buckling part 321 completely moves away from the opening part 41 on the surface of the circuit breaker shell, the angle a of the buckling part 321 returns to the original shape and is clamped on the surface of the shell, the first limiting part 331 is wider than the opening part 41 and is clamped at the opening part 41, at the moment, the limiting protrusion 34 abuts against the swing arm rod 122 of the swing arm 12 to form a locking state, and the circuit. Even external force sustained action under this state, locking piece 3 can not break away from the circuit breaker completely yet, and inside and outside all has carried on spacingly to locking piece 3, needs the external force effect just can remove the locking, ensures the stability that the circuit breaker closed a floodgate.
In the unlocking process, only an external force is required to act on the buckling part 321, so that the angle a of the buckling part 321 is reduced, and the buckling part 321 can enter the shell. Along with the locking piece 3 moving into the circuit breaker shell along the sliding groove 43, the second limit part 332 moves against the sliding groove 43 until the buckle is located in the limit hole 431, at the moment, the limit protrusion 34 releases the limit on the swing arm 12, and the circuit breaker can normally perform the opening and closing action.
In order to ensure the smooth movement of the locking member 3, the contacting portions of the locking portion 321 and the limiting protrusion 34 with the sliding groove 43 are provided with arc-shaped abutting surfaces, so that when the locking member 3 is pulled to move along the sliding groove 43, the contacting area between the locking member 3 and the sliding groove 43 can be reduced to the maximum extent, and the locking member 3 can slide smoothly without being jammed.
Preferably, the locking member 3 is a long strip structure, and correspondingly, the sliding groove 43 is also a rectangular hole, and the specific structure of the locking member 3 includes but is not limited to the solution provided in the present invention, which should be set according to actual requirements, and this document is not limited.
Preferably, the locking member 3 is an integral structure, that is, the locking member 3 is integrally formed, so as to improve the strength of the locking member 3 and prolong the service life of the locking member 3.
The housing 4 is provided in the housing of the electrical operating module 1 or the housing of the circuit breaker module 2, and the locking member 3 is mounted in a slide groove 43 in the housing 4.
According to the above, the utility model provides a circuit breaker of combined floodgate device is prevented in area on remote signal control basis among the prior art, further provides manual mechanical control mode, has avoided the maloperation under the circumstances such as circuit maintenance effectively.
When the electric operation is switched off, the swing arm 12 rotates, the swing arm 12 acts on the trigger hole 241 through the trip pin 121, so that the lock catch 24 is driven to rotate and unlock, the moving contact 25 is driven to rotate and is separated and disconnected from the static contact 26, meanwhile, the lock catch 24 is unlocked to drive the trip catch 23 to rotate, the trip catch 23 drives the U-shaped rod 22 to swing, and the U-shaped rod 22 finally drives the handle 21 to rotate to realize switching off; during manual separating brake, because swing arm 12 is spacing in the separating brake position by locking piece 3, hasp 24 is in the unblock state always, and above-mentioned link mechanism is restricted in the separating brake state equally promptly, and so, long-range uncontrollable circuit breaker switching-on operation has promoted the maintenance security.
It is noted that, in this specification, relational terms such as first and second, and the like are used solely to distinguish one entity from another entity without necessarily requiring or implying any actual such relationship or order between such entities.
It is right above the utility model provides a circuit breaker of closing device has been prevented mistake in area has carried out detailed introduction. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.
Claims (9)
1. A circuit breaker with an anti-misoperation closing device comprises an electric operation module (1), a circuit breaker module (2) and a tripping pin (121) used for connecting the electric operation module (1) and the circuit breaker module (2), wherein the electric operation module (1) comprises a swing arm (12), and is characterized by further comprising a locking piece (3) and an accommodating part (4), the accommodating part (4) comprises an opening part (41) and a clamping part (42), and the locking piece (3) can be matched with the opening part (41) under the action of external force to be stopped at a first preset position, can be abutted against the swing arm (12) and can limit the swing arm (12) at a first position of a switching-off state; the locking piece (3) can be matched with the clamping part (42) to be stopped at a second preset position under the action of external force, and the swing arm (12) is located at a second position for releasing the limitation.
2. The circuit breaker with the device for preventing false switching-on according to claim 1, wherein the locking member (3) comprises a body (31), a fastening portion (321) and a limiting protrusion (34) are sequentially arranged on the body (31), a clamping structure for clamping the opening portion (41) is formed between the fastening portion (321) and the body (31), the locking member (3) is matched with the opening portion (41) to stop the locking member (3) at the first preset position, and the limiting protrusion (34) abuts against the swing arm (12) and limits the swing arm (12) to a switching-off state.
3. The circuit breaker with the device for preventing false switching-on according to claim 2, wherein the accommodating portion (4) is provided with a sliding groove (43) for sliding the locking member (3), and a moving hole (44) for sliding the limiting protrusion (34).
4. The circuit breaker with the device for preventing false switching-on according to claim 3, wherein the fastening portion (321) protrudes from a wider surface of the body (31), and a through groove (322) for accommodating the fastening portion (321) is formed in the body (31).
5. The circuit breaker with the device for preventing false switching-on according to claim 3, wherein the locking member (3) further comprises a limiting portion (33), a hollow groove (35) is formed between the limiting portion (33) and the body (31), the limiting portion (33) comprises a first limiting portion (331) and a second limiting portion (332), the first limiting portion (331) is connected with the body (31) and the second limiting portion (332), the first limiting portion (331) protrudes from the body (31), and the second limiting portion (332) protrudes from the first limiting portion (331).
6. The circuit breaker with the device for preventing false switching-on according to claim 5, wherein the sliding groove (43) is provided with a limiting hole (431) for adapting to the second limiting portion (332).
7. The circuit breaker with the device for preventing false switching-on according to any one of claims 1 to 6, characterized in that the locking member (3) is a one-piece structure.
8. The circuit breaker with an anti-false closing device according to any one of claims 1 to 6, wherein the receiving portion (4) is provided in an electrically operated housing (11) of the electrically operated module (1).
9. The circuit breaker with an anti-false closing device according to any one of claims 1 to 6, wherein the receiving portion (4) is provided in a housing of the circuit breaker module (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922042099.2U CN210692391U (en) | 2019-11-21 | 2019-11-21 | Circuit breaker with anti-misoperation closing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922042099.2U CN210692391U (en) | 2019-11-21 | 2019-11-21 | Circuit breaker with anti-misoperation closing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210692391U true CN210692391U (en) | 2020-06-05 |
Family
ID=70899817
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922042099.2U Active CN210692391U (en) | 2019-11-21 | 2019-11-21 | Circuit breaker with anti-misoperation closing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210692391U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111968891A (en) * | 2020-08-17 | 2020-11-20 | 浙江思创电力科技股份有限公司 | Locking device and circuit breaker |
| CN114446730A (en) * | 2022-01-24 | 2022-05-06 | 宏秀电气有限公司 | Automatic reclosing device |
-
2019
- 2019-11-21 CN CN201922042099.2U patent/CN210692391U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111968891A (en) * | 2020-08-17 | 2020-11-20 | 浙江思创电力科技股份有限公司 | Locking device and circuit breaker |
| CN114446730A (en) * | 2022-01-24 | 2022-05-06 | 宏秀电气有限公司 | Automatic reclosing device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210692391U (en) | Circuit breaker with anti-misoperation closing device | |
| CN109585233B (en) | Small-sized circuit breaker | |
| CN210535601U (en) | Circuit breaker with anti-misoperation closing device | |
| CN212517095U (en) | Locking device and circuit breaker | |
| CN111477511A (en) | Plug-in circuit breaker | |
| CN115101387B (en) | Electric shock prevention structure of circuit breaker, circuit breaker and distributor | |
| CN211173483U (en) | Electronic padlock | |
| CN109273302B (en) | Electric operating mechanism of circuit breaker | |
| CN217361476U (en) | Locking and unlocking structure of plug-in circuit breaker | |
| CN211605074U (en) | Stop structure and have its circuit breaker | |
| CN115910702A (en) | Locking mechanism of circuit breaker and circuit breaker | |
| CN212934498U (en) | Oblique slider type mounting mechanism of plug-in circuit breaker | |
| CN211628928U (en) | Locking structure and circuit breaker with same | |
| CN111968891B (en) | Locking device and circuit breaker | |
| CN211828660U (en) | Plug-in circuit breaker | |
| CN210897144U (en) | Circuit breaker | |
| CN112151332A (en) | Clutch device, operating mechanism and circuit breaker | |
| CN220933989U (en) | Electric operating mechanism with locking function | |
| CN217114282U (en) | Locking assembly of electric operating mechanism | |
| CN108899243B (en) | Interlocking mechanism and high-voltage switch equipment | |
| CN217740415U (en) | Locking device for isolating switch | |
| CN112820595A (en) | Double-lock plug-in circuit breaker capable of preventing switching-on and plugging-out | |
| CN219610251U (en) | Locking mechanism of circuit breaker and circuit breaker | |
| CN211604973U (en) | Circuit breaker with prevent mistake combined floodgate device | |
| CN219081281U (en) | Mechanism lock on automatic reclosing controller |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |