Opening prevention locking device of universal circuit breaker
By designing an anti-opening locking device on the circuit breaker and using the key to control the contact status of the micro switch, the power supply interruption caused by the misoperation of the circuit breaker is solved, and the reliable operation and convenient maintenance of the circuit breaker is achieved.
Patent Information
- Application Number
- CN202422023494.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-20
- Publication Date
- 2025-07-08
- Estimated Expiration
- 2034-08-20
AI Technical Summary
The existing frame circuit breakers lack anti-opening locking devices in the dual-power automatic conversion device, which leads to prone to incorrect operation and leads to power outages in the power supply line.
A universal circuit breaker anti-opening locking device is designed, including the circuit breaker opening operating mechanism, lock base, micro switch and anti-opening lock. The micro switch is triggered by rotating the key and the anti-opening lock. The controller automatically controls the circuit to be disconnected to realize manual button operation.
Effectively prevent the circuit breaker from operating incorrectly, ensure the normal operation of the dual power supply automatic conversion device, avoid power outages on the power supply line, and facilitate the maintenance and replacement of micro switches.
Smart Images
Figure CN223079004U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of circuit breakers, in particular to a universal circuit breaker anti - tripping locking device. Background Technique
[0002] The frame circuit breaker is a commonly used electrical appliance applied to the low - voltage power distribution system, which is used to distribute electric energy and protect the power system and electrical equipment. When the existing frame circuit breaker is used as an execution circuit breaker in the double - power automatic transfer device, it does not have the function of an anti - tripping locking device, which is prone to misoperation, causing the automatic transfer function of the double - power automatic transfer device to fail and resulting in a power outage of the power supply line. Content of the Utility Model
[0003] The purpose of the utility model is to provide a universal circuit breaker anti - tripping locking device to solve the problems proposed in the above background technique.
[0004] To achieve the above purpose, the utility model provides the following technical solution: a universal circuit breaker anti - tripping locking device, including a circuit breaker tripping operating mechanism. A lock base is arranged at the top end of the circuit breaker tripping operating mechanism. A micro - switch is installed on one side of the lock base. An anti - tripping lock is installed at the middle position of the lock base. A push rod is installed at the output end of the anti - tripping lock. A guide rod is slidably installed on the side wall of the circuit breaker tripping operating mechanism.
[0005] By adopting the above - mentioned technical solution, the user rotates the anti - tripping lock with a key, so that the push rod at the output end of the anti - tripping lock can rotate accordingly. During the rotation of the push rod, the micro - switch is triggered and the position of the guide rod is restricted. When the contacts on the micro - switch are closed, the automatic control circuit of the controller is disconnected, so that the double - power controller disconnects the automatic control state, enabling the user to perform manual button operation to control the double - power automatic transfer device.
[0006] Preferably, an angle iron is arranged on one side of the lock base.
[0007] By adopting the above - mentioned technical solution, the micro - switch can be installed on the lock base through the angle iron. And when the micro - switch fails, the staff can simply remove the angle iron from the lock base and then repair and replace the micro - switch from the lock base without disassembling the lock base.
[0008] Preferably, connection holes are arranged on one side and the bottom end of the angle iron, and the angle iron is connected to the lock base through the connection hole at the bottom end.
[0009] By adopting the above - mentioned technical solution, the angle iron is stably installed on the lock base through the connection hole, achieving the purpose of restricting the installation position of the micro - switch, so that during the rotation of the push rod with the anti - tripping lock, the micro - switch can be accurately triggered.
[0010] Preferably, the angle iron is connected to the micro switch through the connection hole on one side.
[0011] By adopting the above technical solution, the micro switch is stably installed on the angle iron through the connection hole. When the micro switch fails, the user can detach the micro switch from the angle iron through the connection hole, which is convenient and fast.
[0012] Preferably, the ejector rod contacts the contact of the micro switch. An installation hole is provided at the middle position on one side of the lock base, and the anti-separation lock is connected to the lock base through the installation hole.
[0013] By adopting the above technical solution, when the ejector rod rotates with the output end of the anti-separation lock, the micro switch can be triggered accordingly, and the installation hole on the lock base can stably install the anti-separation lock to prevent the anti-separation lock from detaching from the lock base.
[0014] Preferably, the ejector rod is composed of a connecting portion and a blocking portion. A convex platform is provided on one side of the top of the guide rod close to the lock base.
[0015] By adopting the above technical solution, the blocking portion on the ejector rod can cooperate with the convex platform on the guide rod to limit the position of the guide rod and prevent the guide rod from sliding.
[0016] Compared with the prior art, the beneficial effects of the present utility model are:
[0017] For the universal circuit breaker anti-shunt locking device, the locking structure is installed on the circuit breaker shunt operating mechanism, which can prevent the circuit breaker from being misoperated by humans in the double-power automatic transfer device in the control system, resulting in power outage of the power supply line due to the failure of the double-power control system.
[0018] For the universal circuit breaker anti-shunt locking device, when the double-power automatic transfer device needs to be manually controlled, only insert the key to open the anti-shunt lock, close the normally open contact of the micro switch, disconnect the automatic control circuit of the controller, and make the double-power controller disconnect the automatic control state. The user can manually operate the button to control the double-power automatic transfer device. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] Figure 1 is the front view of the present utility model;
[0020] Figure 2 is the side sectional view of the present utility model;
[0021] Figure 3 is the present utility model Figure 2 The enlarged view of the structure at A in;
[0022] Figure 4 is the top view of the lock base of the present utility model;
[0023] Figure 5These are the three views of the angle iron of the present utility model;
[0024] Figure 6 These are the three views of the ejector rod of the present utility model.
[0025] In the figure: 1. Circuit breaker opening operating mechanism; 2. Lock base; 3. Angle iron; 4. Microswitch; 5. Anti-opening lock; 6. Ejector rod; 7. Guide rod. Specific embodiments
[0026] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.
[0027] Please refer to Figure 1-6 , an embodiment provided by the present utility model: a universal circuit breaker anti-opening locking device, including a circuit breaker opening operating mechanism 1, a lock base 2 is provided at the top end of the circuit breaker opening operating mechanism 1, a microswitch 4 is installed on one side of the lock base 2, an anti-opening lock 5 is installed at the middle position of the lock base 2, an ejector rod 6 is installed at the output end of the anti-opening lock 5, and a guide rod 7 is slidably installed on the side wall of the circuit breaker opening operating mechanism 1. The user rotates the anti-opening lock 5 with a key, so that the ejector rod 6 on the output end of the anti-opening lock 5 can rotate accordingly. During the rotation of the ejector rod 6, the microswitch 4 is triggered and the position of the guide rod 7 is restricted. When the contacts on the microswitch 4 are closed, the automatic control circuit of the controller is disconnected, so that the dual-power controller disconnects the automatic control state, enabling the user to perform manual button operation to control the dual-power automatic conversion device.
[0028] In this embodiment, an angle iron 3 is provided on one side of the lock base 2. The microswitch 4 can be installed on the lock base 2 through the angle iron 3. And when the microswitch 4 fails, the staff can simply remove the angle iron 3 from the lock base 2, and then repair and replace the microswitch 4 from the lock base 2 without disassembling the lock base 2.
[0029] In this embodiment, connection holes are provided on both the side and the bottom end of the angle iron 3. The angle iron 3 is connected to the lock base 2 through the connection hole at the bottom end. The angle iron 3 is stably installed on the lock base 2 through the connection hole, serving the purpose of restricting the installation position of the microswitch 4, so that when the ejector rod 6 rotates with the anti-opening lock 5, the microswitch 4 can be accurately triggered.
[0030] In this embodiment, the angle iron 3 is connected to the microswitch 4 through the connection hole on one side. The microswitch 4 is stably installed on the angle iron 3 through the connection hole. When the microswitch 4 fails, the user can remove the microswitch 4 from the angle iron 3 through the connection hole, which is convenient and fast.
[0031] In this embodiment, the ejector rod 6 is in contact with the contact point of the microswitch 4. An installation hole is provided at the middle position on one side of the lock base 2. The anti-separation lock 5 is connected to the lock base 2 through the installation hole. The ejector rod 6 rotates with the output end of the anti-separation lock 5, and the microswitch 4 can be triggered accordingly. Moreover, the installation hole on the lock base 2 can stably install the anti-separation lock 5 to prevent the anti-separation lock 5 from detaching from the lock base 2.
[0032] In this embodiment, the ejector rod 6 is composed of a connecting portion and a blocking portion. A convex platform is provided on the side of the top of the guide rod 7 close to the lock base 2. The blocking portion on the ejector rod 6 can cooperate with the convex platform on the guide rod 7 to limit the position of the guide rod 7 and prevent the guide rod 7 from sliding.
[0033] Working principle: When the circuit breaker operates automatically, the ejector rod 6 of the anti-separation lock 5 blocks the front end of the convex platform of the guide rod 7, so that the button on the circuit breaker tripping operating mechanism 1 cannot be pushed forward, preventing the circuit breaker from being accidentally tripped; when manual operation is required, the key of the anti-separation lock 5 needs to be opened to make the ejector rod 6 of the anti-separation lock 5 disengage from the convex platform of the guide rod 7. At this time, the manual button can be operated to trip the circuit breaker; as the ejector rod 6 rotates, the microswitch 4 makes the normally open point of the contact close and the normally closed point open, sending a trigger signal to the dual-power controller to output the automatic and manual states of the controller, realizing the dual-power automatic control function.
[0034] For those skilled in the art, the present utility model is not limited to the details of the above exemplary embodiments, and the present utility model can be implemented in other specific forms without departing from the spirit or scope of the present utility model. Therefore, the embodiments of the present utility model are exemplary and non-limiting. The scope of the present utility model is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present utility model. Any reference signs in the claims should not be regarded as limiting the claims involved.
Claims
1. A universal circuit breaker anti-opening locking device, comprising a circuit breaker opening operating mechanism (1), characterized in that: At the top of the circuit breaker opening operating mechanism (1), a lock base (2) is provided. On one side of the lock base (2), a micro switch (4) is installed. At the middle position of the lock base (2), a parting prevention lock (5) is installed. At the output end of the parting prevention lock (5), a push rod (6) is installed. On the side wall of the circuit breaker opening operating mechanism (1), a guide rod (7) is slidably installed.
2. The universal circuit breaker anti-trip locking device according to claim 1, characterized in that: On one side of the lock base (2), an angle iron (3) is provided.
3. The universal circuit breaker anti-trip locking device according to claim 2, characterized in that: On one side and the bottom end of the angle iron (3), connection holes are provided. The angle iron (3) is connected to the lock base (2) through the connection hole at the bottom end.
4. The universal circuit breaker anti-opening locking device according to claim 3, characterized in that: The angle iron (3) is connected to the micro switch (4) through the connection hole on one side.
5. An all-in-one circuit breaker anti-trip locking device according to claim 1, characterized in that: The push rod (6) is in contact with the contact point of the micro switch (4). At the middle position on one side of the lock base (2), an installation hole is opened. The parting prevention lock (5) is connected to the lock base (2) through the installation hole.
6. The universal circuit breaker anti-trip locking device according to claim 1, wherein: The push rod (6) is composed of a connecting part and a blocking part. On one side of the top of the guide rod (7) close to the lock base (2), a convex platform is provided.