CN221447054U - Vacuum circuit breaker with locking device - Google Patents
Vacuum circuit breaker with locking device Download PDFInfo
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- CN221447054U CN221447054U CN202323271870.6U CN202323271870U CN221447054U CN 221447054 U CN221447054 U CN 221447054U CN 202323271870 U CN202323271870 U CN 202323271870U CN 221447054 U CN221447054 U CN 221447054U
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- 238000005452 bending Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
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Abstract
The utility model belongs to the technical field of vacuum circuit breakers, and relates to a vacuum circuit breaker with a locking device. The program lock (3) comprises a program lock stop pin (3.1), a program lock hole (3.2), a program lock key (3.3) and a program lock body (3.4), the micro switch (6) comprises a micro switch button (6.1), the program lock (3) and the micro switch (6) are respectively installed on the support (5), the program lock (3) is located above the micro switch (6), and the opening half shaft adjusting and controlling bent plate (1) is arranged above the program lock (3). The vacuum circuit breaker with the locking device has a simple structure, and can reliably realize the interlocking between the main and standby wire supply breakers, so that the problem that the vacuum circuit breaker can rapidly work the standby wire supply breaker under the condition that the main wire supply breaker is powered off to achieve the purpose of supplying power to the main wire supply by the standby wire supply is solved, misoperation is avoided, and safety is ensured.
Description
Technical Field
The utility model belongs to the technical field of vacuum circuit breakers, and particularly relates to a vacuum circuit breaker with a locking device.
Background
In the current metal armoured vacuum switch equipment, the vacuum circuit breaker is widely applied, and in an incoming circuit breaker cabinet, when a section of main supply incoming line has a switch fault, the standby supply incoming line can be put into operation, so that the purpose of supplying power to the main supply incoming line by the standby supply incoming line is achieved, and the normal operation of loads of the main supply incoming line and the standby supply incoming line is ensured. However, the problem with the structure in the prior art is that, for the existing removable circuit breaker locking device is installed on the left closing plate of the circuit breaker, when the main incoming line circuit breaker is powered off, the main incoming line circuit breaker locking device locks, and the standby incoming line circuit breaker unlocks, and after moving from the test position to the working position, the standby incoming line can be powered on.
The technology discloses a grounding locking device of an in-out dual-purpose high-voltage cabinet, which comprises two circuit breakers, an electromagnetic lock and a high-voltage detection circuit, wherein the two circuit breakers are respectively connected with a secondary side power supply of the in-out dual-purpose high-voltage cabinet, the electromagnetic lock and the high-voltage detection circuit are connected in series in a secondary side power supply circuit, and a control end of the electromagnetic lock is connected with a primary side grounding switch of the in-out dual-purpose high-voltage cabinet; the device utilizes the high-voltage detection circuit to identify whether the lower port of the primary side vacuum circuit breaker is provided with high-voltage electricity, and if the lower port is provided with the high-voltage electricity, the electromagnetic lock is electrified to act, and the grounding switch in the primary circuit is controlled to be opened so as to avoid grounding; the device effectively avoids the step of dismantling the grounding switch in the primary loop when the outlet end of the in-out dual-purpose high-voltage cabinet is reversed to the inlet end, improves the working efficiency and saves the working time.
However, this technique does not relate to the technical problem and technical solution of the present application.
Disclosure of utility model
The technical problems to be solved by the utility model are as follows: aiming at the defects of the prior art, the vacuum circuit breaker with the locking device is simple in structure, the program lock key is inserted into the main supply line breaker to open the program lock locking device when the main supply line breaker works, and the standby supply line breaker lacks the program lock key to open the locking, so that the interlocking between the main supply line breaker and the standby supply line breaker is realized, the problem that the standby supply line breaker works under the condition that the main supply line breaker is powered off to achieve the purpose of supplying power to the main supply line with the standby supply line is solved, and the vacuum circuit breaker with the locking device, which is used for avoiding misoperation, is avoided.
The technical scheme adopted by the utility model is as follows:
The utility model relates to a vacuum circuit breaker with a locking device, wherein a program lock comprises a program lock stop pin, a program lock hole, a program lock key and a program lock body, a micro switch comprises a micro switch button, the program lock and the micro switch are respectively arranged on a bracket, the program lock is positioned above the micro switch, and a brake-separating half shaft regulating and controlling bent plate is arranged above the program lock.
The program lock catch pin of the program lock of the vacuum circuit breaker with the locking device is positioned right above the micro switch button of the micro switch.
The brake-separating half shaft regulating and controlling bent plate is arranged to be of a V-shaped structure, one end of the brake-separating half shaft regulating and controlling bent plate is propped against the upper part of the program locking pin, and the other end of the brake-separating half shaft regulating and controlling bent plate is connected with the brake-separating half shaft.
The bracket is fixedly arranged on the breaker body.
When the program lock key is inserted into the program lock hole to rotate in one direction, the program lock stop pin is arranged to be capable of extending to the upper position of the program lock body.
When the program lock key is inserted into the program lock hole and rotated in the other direction, the program lock stop pin is arranged to be capable of extending to the lower position of the program lock body.
The support include support lower part perpendicular and support upper portion horizontal plane, the procedure lock body fixed mounting of procedure lock is in support upper portion horizontal plane lower part position, micro-gap switch installs in support lower part perpendicular side position.
The program lock body of the program lock is fixedly connected with the horizontal plane at the upper part of the bracket through bolts.
The micro-switch comprises a micro-switch body, and a micro-switch button is arranged on the micro-switch body.
The micro-switch body of the micro-switch is connected with the vertical surface of the lower part of the bracket through bolts.
By adopting the technical scheme of the utility model, the working principle and the beneficial effects are as follows:
The utility model relates to a vacuum circuit breaker with a locking device, which is mainly used in an incoming line circuit breaker cabinet of a switch cabinet, wherein two sets of locking devices are additionally arranged on a main and standby incoming line vacuum circuit breaker main body, namely, one set of locking device is arranged on the main incoming line vacuum circuit breaker, the other set of locking device is arranged on the standby incoming line vacuum circuit breaker, and meanwhile, only one program lock key is provided, and each set of locking device respectively comprises a bent plate, a program lock, a bracket and a micro switch. The program lock comprises a program lock stop pin, a program lock hole, a program lock key and a program lock body, and the micro switch comprises a micro switch button and a micro switch body. The program lock catch pin of the locking device extends upwards, and at the moment, the program lock key can be pulled out; when the program lock key is inserted into the program lock hole to rotate, the program lock blocking pin extends downwards, namely the set of locking device enters an unlocking state, and the program lock key inserted into the set of locking device can not be pulled out. When the structure is set, a set of locking device is respectively arranged on the main power supply line breaker and the standby power supply line breaker, a program lock key is inserted into a program lock hole to rotate (the program lock key can not be pulled out after rotation), at the moment, a program lock stop pin propped against a brake separating half shaft bent plate moves downwards relative to a program lock body and is converted into a micro-switch button of a micro-switch propped downwards, the brake separating half shaft bent plate on the brake separating half shaft rotates and resets under the action of the program lock stop pin, the micro-switch button has a closing maintaining function, a closing loop on the micro-switch is connected under the action of the downward pressing of the program lock stop pin, and thus the circuit breaker can be operated electrically and manually. Meanwhile, as only one program lock key is adopted, the locking device of the other incoming line circuit breaker is always in a locking state due to the fact that the program lock key is not adopted, and the circuit breaker cannot be closed, so that the locking function is achieved. On the contrary, when another wire inlet breaker of locking needs to carry out procedure lock unblock operation, pull out procedure lock key, for another wire inlet breaker use, procedure lock key is rotatory, procedure lock stop pin upwards moves, leave micro-gap switch button and upwards reset, micro-gap switch series connection's combined floodgate closed circuit disconnection, unable manual, the electronic combined floodgate of circuit breaker under combined floodgate closed function, procedure lock stop pin pushes up the bent plate when upwards moving, the brake release semi-axis realizes rotatory under the bent plate drive, be in the trip state, prevent that the circuit breaker from having the combined floodgate state, thereby realize the shutting function, thereby reliably realize main and standby and supply interlocking between the wire inlet breaker, improve the security.
Drawings
The following is a brief description of what is expressed in the drawings of this specification and the references in the drawings:
fig. 1 is a schematic diagram showing a front view of a vacuum circuit breaker with a locking device according to the present utility model;
Fig. 2 is a schematic view of a structure of a locking device of a vacuum circuit breaker with a locking device according to the present utility model in an unlocked state;
Fig. 3 is a schematic view showing a structure of a latching device of a vacuum circuit breaker with a latching device according to the present utility model in a latched state;
FIG. 4 is a schematic diagram illustrating a program lock according to the present utility model when unlocked;
FIG. 5 is a schematic diagram of a program lock according to the present utility model;
The reference numerals in the figures are respectively: 1. the brake-separating half shaft regulates and controls the bent plate; 2. a brake-separating half shaft; 3. a program lock; 3.1, a program lock catch pin; 3.2, a program lock hole; 3.3, a program lock key; 3.4, a program lock body; 4. a circuit breaker body; 5. a bracket; 5.1, a vertical surface at the lower part of the bracket; 5.2, the upper horizontal plane of the bracket; 6. a micro-switch; 6.1, a micro-switch button; 6.2, a micro-switch body; 7. and (5) a bolt.
Detailed Description
The following describes the shape, structure, mutual position and connection relation between parts, action of parts and working principle of the specific embodiment of the present utility model by describing examples in further detail:
as shown in fig. 1-5, the utility model relates to a vacuum circuit breaker with a locking device, a program lock 3 comprises a program lock stop pin 3.1, a program lock hole 3.2, a program lock key 3.3 and a program lock body 3.4, a micro switch 6 comprises a micro switch button 6.1, the program lock 3 and the micro switch 6 are respectively arranged on a bracket 5, the program lock 3 is positioned above the micro switch 6, and a brake separating half shaft regulating bent plate 1 is arranged above the program lock 3. The brake-separating half shaft regulating and controlling bent plate 1 is arranged to be of a V-shaped structure, one end of the brake-separating half shaft regulating and controlling bent plate 1 is propped against the upper part of the program locking stop pin 3.1, and the other end of the brake-separating half shaft regulating and controlling bent plate 1 is connected with the brake-separating half shaft 2. The structure provides an improved technical scheme aiming at the defects in the prior art. The structure of the utility model is mainly used in a wire-feeding breaker cabinet of a switch cabinet, two sets of locking devices are additionally arranged on a main body of a main wire-feeding and standby wire-feeding vacuum breaker, namely, one set of locking device is arranged on the main wire-feeding vacuum breaker, the other set of locking device is arranged on the standby wire-feeding vacuum breaker, and meanwhile, only one program lock key 3.3 is provided, and each set of locking device respectively comprises a bending plate 1, a program lock 3, a bracket 5 and a micro switch 6. The program lock comprises a program lock stop pin 3.1, a program lock hole 3.2, a program lock key 3.3 and a program lock body 3.4, and the micro switch 6 comprises a micro switch button 6.1 and a micro switch body 6.2. The locking state of the locking device is shown in fig. 4, namely the program lock stop pin 3.1 extends upwards, and the program lock key 3.3 can be pulled out at the moment; after the program lock key 3.3 is inserted into the program lock hole 3.2 and rotated, the program lock stop pin 3.1 extends downwards, that is, the set of locking devices enter an unlocking state, and the program lock key inserted into the set of locking devices cannot be pulled out. When the structure is set, a set of locking devices are respectively arranged on the main supply line breaker and the standby supply line breaker, a program lock key 3.3 is inserted into a program lock hole 3.2 to rotate (the program lock key 3.3 can not be pulled out after rotation), at the moment, a program lock stop pin 3.1 propped against a brake release half shaft bent plate 1 moves downwards relative to a program lock body 3.4 and is converted into a micro switch button 6.1 propped against a micro switch 6 downwards, the brake release half shaft bent plate 1 on the brake release half shaft 2 rotates and resets under the action of the program lock stop pin 3.1, the brake hold function is provided, a brake return circuit is communicated under the action of the downward pressing of the program lock stop pin 3.1 by the micro switch button 6.1 on the micro switch 6, Thus, the circuit breaker can be operated by electric or manual switching-on. Meanwhile, as only one program lock key 3.3 is arranged on the two sets of locking devices, when one set of locking device is inserted into the program lock key and is in an unlocking state, the locking device of the other incoming line circuit breaker is always in a locking state due to the fact that the program lock key is not used, and the circuit breaker cannot be closed, so that the locking function is realized. Conversely, when the other wire inlet circuit breaker is locked and needs to perform program lock unlocking operation, the program lock key is pulled down and used for the other wire inlet circuit breaker, the program lock key 3.3 rotates, the program lock stop pin 3.1 moves upwards and leaves the micro switch button 6.1 to reset upwards, the closing and locking loop of the micro switch 6 in series is disconnected, the circuit breaker cannot be manually and electrically closed under the closing and locking function, the program lock stop pin 3.1 pushes up the bent plate 1 while moving upwards, the opening half shaft 2 is driven by the bent plate 1 to rotate, and is in a tripping state to prevent the circuit breaker from having a closing state and realize the locking function, thereby reliably realizing the interlocking between the main wire inlet circuit breaker and the standby wire inlet circuit breaker, the main and standby power supply line breakers are in opposite states. The vacuum circuit breaker with the locking device has a simple structure, realizes that the program lock key is inserted into the program lock key to open the program lock locking device when the main supply line breaker works, and the standby supply line breaker lacks the program lock key to open the locking, so that the interlocking between the main supply line breaker and the standby supply line breaker is realized, and the problem that the standby supply line breaker works rapidly under the condition that the main supply line breaker is powered off to achieve the purpose of supplying power to the main supply line by the standby supply line is solved, and misoperation is avoided.
The program lock catch pin 3.1 of the program lock 3 of the vacuum circuit breaker with the locking device is positioned right above the micro switch button 6.1 of the micro switch 6. With the above structure, the corresponding position is determined with the micro switch 6 when the program lock is set. The program lock stop pin 3.1 of the program lock 3 can be ensured to act on the brake separating half shaft bending plate 1 when extending upwards, and the program lock stop pin 3.1 of the program lock 3 can be ensured to act on the micro switch button 6.1 when extending downwards, so that the control requirement is met.
The bracket 5 is fixedly arranged on the breaker body 4. According to the structure, one set of locking device is arranged on the main feeding line vacuum circuit breaker, the other set of locking device is arranged on the standby feeding line vacuum circuit breaker, and each set of locking device is reliably connected through the corresponding bracket 5.
When the program lock key 3.3 is inserted into the program lock hole 3.2 to rotate in one direction, the program lock stop pin 3.1 is arranged to be capable of extending to the upper position of the program lock body 3.4. When the program lock key 3.3 is inserted into the program lock hole 3.2 to rotate in the other direction, the program lock stop pin 3.1 is arranged to be capable of extending to the lower position of the program lock body 3.4. With the structure, the program lock key controls the position of the program lock stop pin 3.1 relative to the program lock body 3.4 to move up and down, so that the program lock stop pin 3.1 of the program lock 3 can act on the brake separating half shaft bending plate 1 when extending upwards, and the program lock stop pin 3.1 of the program lock 3 can act on the micro switch button 6.1 when extending downwards, thereby meeting the control requirement.
The support 5 comprises a support lower vertical surface 5.1 and a support upper horizontal surface 5.2, a program lock body 3.4 of the program lock 3 is fixedly arranged at the lower position of the support upper horizontal surface 5.2, and the micro switch 6 is arranged at the side position of the support lower vertical surface 5.1. The program lock body 3.4 of the program lock 3 is fixedly connected with the upper horizontal plane 5.2 of the bracket 5 through bolts 7.
The micro switch 6 comprises a micro switch body 6.2, and a micro switch button 6.1 is arranged on the micro switch body 6.2. The micro switch body 6.2 of the micro switch 6 is connected with the vertical surface 5.1 at the lower part of the bracket 5 through a bolt 7. With the structure, the microswitch 6 is reliably connected to the bracket and then positioned below the program lock, so that the state change is realized when the program lock stop pin 3.1 moves, and the unlocking and locking control of the corresponding locking device is realized.
The utility model relates to a vacuum circuit breaker with a locking device, which is mainly used in a wire inlet circuit breaker cabinet of a switch cabinet, wherein two sets of locking devices are additionally arranged on a main and standby wire inlet vacuum circuit breaker main body, namely, one set of locking device is arranged on the main wire inlet vacuum circuit breaker, the other set of locking device is arranged on the standby wire inlet vacuum circuit breaker, and meanwhile, only one program lock key 3.3 is provided, and each set of locking device respectively comprises a bent plate 1, a program lock 3, a bracket 5 and a micro switch 6. The program lock comprises a program lock stop pin 3.1, a program lock hole 3.2, a program lock key 3.3 and a program lock body 3.4, and the micro switch 6 comprises a micro switch button 6.1 and a micro switch body 6.2. The locking state of the locking device is shown in fig. 4, namely the program lock stop pin 3.1 extends upwards, and the program lock key 3.3 can be pulled out at the moment; after the program lock key 3.3 is inserted into the program lock hole 3.2 and rotated, the program lock stop pin 3.1 extends downwards, that is, the set of locking devices enter an unlocking state, and the program lock key inserted into the set of locking devices cannot be pulled out. When the structure is set, a set of locking device is respectively arranged on the main supply line breaker and the standby supply line breaker, a program lock key 3.3 is inserted into a program lock hole 3.2 for rotation, the program lock key 3.3 can not be pulled out after rotation, at the moment, a program lock stop pin 3.1 propped against a brake release half shaft bent plate 1 moves downwards relative to a program lock body 3.4 and is converted into a micro switch button 6.1 propped against a micro switch 6 downwards, the brake release half shaft bent plate 1 on the brake release half shaft 2 rotates and resets under the action of the program lock stop pin 3.1, the brake hold function is provided, and a brake-on loop is communicated under the action of the downward pressing of the program lock stop pin 3.1, so that the circuit breaker can be operated electrically and manually. Meanwhile, as only one program lock key 3.3 is used, when the program lock key is inserted into the locking device of one incoming line circuit breaker, the locking device of the other incoming line circuit breaker is always in a locking state because of no program lock key, and the circuit breaker cannot be closed, so that the locking function is realized. On the contrary, when another wire inlet breaker is locked and needs to carry out program lock unlocking operation, the program lock key is pulled down and used for the other wire inlet breaker, the program lock key 3.3 rotates, the program lock stop pin 3.1 moves upwards and leaves the micro switch button 6.1 to reset upwards, the closing locking loop of the micro switch 6 in series is disconnected, the breaker cannot be manually and electrically closed under the closing locking function, the program lock stop pin 3.1 pushes up the bent plate 1 while moving upwards, the opening half shaft 2 is driven by the bent plate 1 to rotate, and is in a tripping state to prevent the breaker from having a closing state, so that the locking function is realized, and the interlocking between the main wire inlet breaker and the standby wire inlet breaker is reliably realized.
While the utility model has been described above with reference to the accompanying drawings, it will be apparent that the specific implementation of the utility model is not limited by the foregoing, but rather is within the scope of the utility model as long as various modifications are made by the method concept and technical scheme of the utility model, or the concept and technical scheme of the utility model are directly applied to other occasions without modification.
Claims (10)
1. A vacuum interrupter with a latching mechanism, characterized by: the program lock (3) comprises a program lock stop pin (3.1), a program lock hole (3.2), a program lock key (3.3) and a program lock body (3.4), the micro switch (6) comprises a micro switch button (6.1), the program lock (3) and the micro switch (6) are respectively installed on the support (5), the program lock (3) is located above the micro switch (6), and the opening half shaft adjusting and controlling bent plate (1) is arranged above the program lock (3).
2. The vacuum interrupter with latching mechanism of claim 1, wherein: the program lock catch pin (3.1) of the program lock (3) of the vacuum circuit breaker with the locking device is positioned right above the micro switch button (6.1) of the micro switch (6).
3. Vacuum circuit breaker with latching device according to claim 1 or 2, characterized in that: the brake-separating half shaft regulating and controlling bent plate (1) is arranged to be of a V-shaped structure, one end of the brake-separating half shaft regulating and controlling bent plate (1) is propped against the upper part of the program locking pin (3.1), and the other end of the brake-separating half shaft regulating and controlling bent plate (1) is connected with the brake-separating half shaft (2).
4. Vacuum circuit breaker with latching device according to claim 1 or 2, characterized in that: the bracket (5) is fixedly arranged on the breaker body (4).
5. Vacuum circuit breaker with latching device according to claim 1 or 2, characterized in that: when the program lock key (3.3) is inserted into the program lock hole (3.2) to rotate in one direction, the program lock stop pin (3.1) is of a structure which can extend out to the upper position of the program lock body (3.4).
6. The vacuum interrupter with latching mechanism of claim 5, wherein: when the program lock key (3.3) is inserted into the program lock hole (3.2) to rotate in the other direction, the program lock stop pin (3.1) is of a structure which can extend out to the lower position of the program lock body (3.4).
7. Vacuum circuit breaker with latching device according to claim 1 or 2, characterized in that: the support (5) comprises a vertical surface (5.1) at the lower part of the support and a horizontal surface (5.2) at the upper part of the support, a program lock body (3.4) of the program lock (3) is fixedly arranged at the lower part of the horizontal surface (5.2) at the upper part of the support, and the microswitch (6) is arranged at the side surface of the vertical surface (5.1) at the lower part of the support.
8. The vacuum interrupter with latching mechanism of claim 7, wherein: the program lock body (3.4) of the program lock (3) is fixedly connected with the horizontal plane (5.2) at the upper part of the bracket (5) through bolts (7).
9. The vacuum interrupter with latching mechanism of claim 8, wherein: the micro-switch (6) comprises a micro-switch body (6.2), and a micro-switch button (6.1) is arranged on the micro-switch body (6.2).
10. The vacuum interrupter with latching mechanism of claim 9, wherein: the micro switch body (6.2) of the micro switch (6) is connected with the vertical surface (5.1) at the lower part of the bracket (5) through a bolt (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323271870.6U CN221447054U (en) | 2023-12-01 | 2023-12-01 | Vacuum circuit breaker with locking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323271870.6U CN221447054U (en) | 2023-12-01 | 2023-12-01 | Vacuum circuit breaker with locking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221447054U true CN221447054U (en) | 2024-07-30 |
Family
ID=92056257
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323271870.6U Active CN221447054U (en) | 2023-12-01 | 2023-12-01 | Vacuum circuit breaker with locking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221447054U (en) |
-
2023
- 2023-12-01 CN CN202323271870.6U patent/CN221447054U/en active Active
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