Circuit breaker and electric equipment

By designing the linkage between the locking device and the operating mechanism in the circuit breaker, the problem that the plug-in circuit breaker may be pulled out in the closed state is solved, safety and stability are improved, and the assembly and lock reset of the accessories are realized.

CN119517693APending Publication Date: 2025-02-25SHANGHAI LIANGXIN INTELLIGENT ELECTRIC CO LTD +1
View PDF 8 Cites 0 Cited by

Patent Information

Application Number
CN202311080130.6
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2023-08-24
Publication Date
2025-02-25

AI Technical Summary

Technical Problem

The plug-in circuit breaker may be pulled out when the switch is closed, resulting in safety hazards and stability problems. The circuit breaker with unlocking function cannot assemble the accessories.

Method used

A circuit breaker is designed, including a housing and a locking device, which is used to lock and release the circuit breaker and is linked with the operating mechanism to open and release the circuit breaker. Through the unlocking operation, the circuit breaker is prevented from being pulled out when the switch is closed.

Benefits of technology

It effectively prevents the circuit breaker from being pulled out when the switch is closed, avoids the user's live operation, improves the safety and stability of the circuit breaker, and realizes the assembly and lock reset of the accessories.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN119517693A_ABST
    Figure CN119517693A_ABST
Patent Text Reader

Abstract

The invention provides a circuit breaker and electric equipment, and relates to the technical field of low-voltage electrical appliances, the circuit breaker comprises a shell, an operating mechanism and a locking device, the locking device is arranged on the shell of the circuit breaker, and the locking device is used for locking and releasing the circuit breaker. By unlocking the circuit breaker, the circuit breaker is prevented from being pulled out in a closed state, hot-line operation of a user is avoided, and the safety and stability of the circuit breaker are improved; accessory assembly and lock catch reset are achieved while driving unlocking is carried out, the space can be fully utilized, and miniaturization arrangement of the circuit breaker is facilitated.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The present application relates to the technical field of low-voltage electrical appliances, and in particular to a circuit breaker and electrical equipment. Background Art

[0002] With the development of technology and the improvement of actual use needs, circuit breakers have expanded many new matching methods based on traditional structures, such as plug-in circuit breakers, which require the circuit breaker to have a socket to facilitate plugging and unplugging in the cabinet and locking in the installation position. This plug-in circuit breaker can be easily connected or disconnected from the circuit in a plug-in manner.

[0003] In the process of conceiving and implementing this application, the inventors found that there are at least the following problems: plug-in circuit breakers have certain risks, that is, when plugging and unplugging the circuit breaker, it is possible that the circuit breaker is unplugged when it is in the closed state, which is easy to cause safety hazards and has a certain impact on the stability of the circuit breaker. In one implementation, the circuit breaker cannot be unplugged when it is closed, and the circuit breaker with an unlocking function cannot be assembled with accessories.

[0004] The preceding description is intended to provide general background information and does not necessarily constitute prior art. Summary of the invention

[0005] The purpose of this application is to provide a circuit breaker and electrical equipment to solve the above technical problems. Through unlocking operation, the circuit breaker can be effectively prevented from being pulled out in the closed state, avoiding users from operating with power on, ensuring personal safety, and improving the safety and stability of the circuit breaker.

[0006] In order to solve the above technical problems, the technical solutions adopted in the embodiments of the present application are as follows:

[0007] An embodiment of the present application provides a circuit breaker, comprising a housing and a locking device, wherein the locking device is disposed on the housing of the circuit breaker, and the locking device is used to lock and release the circuit breaker.

[0008] Optionally, the locking device is linked with the operating mechanism to open the circuit breaker and / or release the circuit breaker.

[0009] Optionally, the operating mechanism includes a limiting member linked to the locking device.

[0010] Optionally, the locking device includes at least one of the following: a locking member and an unlocking member that cooperates with the locking member; and a driving member that cooperates with the unlocking member.

[0011] Optionally, it also includes a locking reset member that cooperates with the locking member to reset the locking member; and / or, it also includes an unlocking reset member that cooperates with the unlocking member to reset the unlocking member; and / or, it also includes a driving reset member that cooperates with the driving member to reset the driving member.

[0012] Optionally, the locking device adopts at least one of the following linkage modes: the locking device is rotatably mounted on the shell; the locking device is slidably mounted on the shell; the locking device and the shell are integrally formed.

[0013] Optionally, the locking member includes a base and a rotating arm bent from the base, and the rotating arm is linked with the unlocking member to lock and release the circuit breaker.

[0014] Optionally, the circuit breaker includes at least one of the following: the locking member includes a first push rod extending from the base, the first push rod abuts against the limiting member to achieve the opening of the circuit breaker; the driving member is provided with a second push rod, the second push rod abuts against the limiting member to achieve the opening of the circuit breaker.

[0015] Optionally, the locking member is further provided with a convex column at the rotation center position, and the locking reset member is sleeved on the convex column; the locking member is also provided with a supporting portion, and the supporting portion is located between the first push rod and the rotating arm, and one end of the locking reset member is abutted against the shell, and the other end is hung on the lower side of the supporting portion.

[0016] Optionally, a protrusion is formed on the unlocking member, and a boss is formed on the driving member, and the unlocking member drives the driving member to rotate through the abutment between the protrusion and the boss.

[0017] The embodiment of the present application further discloses an electrical device, which includes the above-mentioned circuit breaker.

[0018] The beneficial effects of the present application include at least one of the following:

[0019] The present application discloses a circuit breaker and electrical equipment, including a housing and a locking device, wherein the locking device is arranged on the housing of the circuit breaker and is used to lock and release the circuit breaker. By unlocking the circuit breaker and realizing the opening of the operating mechanism at the same time, the circuit breaker is prevented from being pulled out in the closed state, and the user is prevented from operating with power on, thereby improving the safety and stability of the circuit breaker; while driving the unlocking, the accessory assembly and the lock reset are realized, which can also make full use of the space and facilitate the miniaturization of the circuit breaker.

[0020] The electrical equipment is equipped with the above-mentioned circuit breaker, and the above-mentioned circuit breaker is applied to the electrical equipment. The electrical equipment can be used for whole-house intelligence, applied to smart home and Internet of Things industries, to realize whole-house intelligent management. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present application and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without paying creative work.

[0022] Figure 1 A schematic diagram of the structure of the unlocking mechanism in the first embodiment of the present application in the open position;

[0023] Figure 2 A schematic diagram of the closing position structure of an embodiment 1 of the unlocking mechanism provided in the embodiment of the present application;

[0024] Figure 3 A schematic diagram of the unlocking member structure of the unlocking mechanism provided in an embodiment of the present application;

[0025] Figure 4 One of the schematic diagrams of the structure of a locking member of Example 1 of the unlocking mechanism provided in the embodiment of the present application;

[0026] Figure 5 A second schematic diagram of the structure of a locking member of the first embodiment of the unlocking mechanism provided in the embodiment of the present application;

[0027] Figure 6 A schematic diagram of the open position structure of the unlocking mechanism according to the second embodiment of the present application;

[0028] Figure 7 A schematic diagram of the closing position structure of the second embodiment of the unlocking mechanism provided in the embodiment of the present application;

[0029] Figure 8 A schematic diagram of the structure of the driving member of Example 2 of the unlocking mechanism provided in an embodiment of the present application.

[0030] Icon: 10-shell; 11-unlocking member; 110-unlocking rod; 111-first mounting groove; 112-mounting column; 113-bump; 113a-first inclined surface; 11a-unlocking reset member; 12-locking member; 12a-rotation center; 120-long hole; 121-rotating arm; 122-first push rod; 123-bump; 124-locking reset member; 125-supporting part; 13-limiting member; 14-driving member; 140-second push rod; 140a-hook; 141-boss; 141a-second inclined surface; 142-second mounting groove; 14a-driving reset member; 20-operating mechanism; 21-lock buckle. DETAILED DESCRIPTION

[0031] In order to make the purpose, technical solution and advantages of the embodiments of the present application clearer, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. The components of the embodiments of the present application described and shown in the drawings here can be arranged and designed in various different configurations.

[0032] Therefore, the following detailed description of the embodiments of the present application provided in the accompanying drawings is not intended to limit the scope of the present application for protection, but merely represents selected embodiments of the present application. It should be noted that, in the absence of conflict, the various features in the embodiments of the present application can be combined with each other, and the combined embodiments are still within the scope of protection of the present application.

[0033] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0034] In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, or the positions or positional relationships in which the product of the application is usually placed when in use. They are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second", "third", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0035] In addition, the terms "horizontal", "vertical" and the like do not mean that the components are required to be absolutely horizontal or suspended, but can be slightly tilted. For example, "horizontal" only means that its direction is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0036] In the description of this application, it should also be noted that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0037] When plugging in and out of a plug-in circuit breaker and a cabinet, it is possible that the circuit breaker is pulled out when it is in a closed state, which can easily cause safety hazards and have a certain impact on the stability of the circuit breaker. In one implementation, the circuit breaker cannot be pulled out when it is closed, and the circuit breaker with an unlocking function cannot be assembled with accessories.

[0038] Driven by intelligent and automated high-tech, the smart home industry has entered a period of rapid development. The smart home industry is facing new challenges and opportunities in the transformation of technology, market and industry.

[0039] According to the function, the smart home can be divided into eight modules: entertainment system, security system, control system, lighting system, kitchen and bathroom appliance system, network and communication system, health care system, and indoor environment system. The eight modules work together to realize the whole house intelligence.

[0040] In view of this, in order to solve the above problems, the present application embodiment provides a circuit breaker, please refer to Figure 1 It includes a housing 10, an operating mechanism and a locking device. The locking device is arranged on the housing 10 of the circuit breaker, and the locking device is used to lock and release the circuit breaker.

[0041] The locking device can be used to unlock the circuit breaker. Unlocking the circuit breaker can prevent the circuit breaker from being pulled out in the closed state, avoiding users from operating with power on, thus improving the safety and stability of the circuit breaker. While driving the unlocking, the accessory assembly and lock reset can be realized, which can also make full use of the space and facilitate the miniaturization of the circuit breaker.

[0042] The locking device is linked with the operating mechanism to open the circuit breaker and / or release the circuit breaker. The operating mechanism includes a limiter 13 linked with the locking device, and the limiter 13 is used to unlock the circuit breaker.

[0043] The locking device adopts at least one of the following linkage modes:

[0044] The locking device is rotatably mounted on the housing 10;

[0045] The locking device is slidably mounted on the housing 10;

[0046] The locking device is integrally formed with the housing 10 .

[0047] The locking device includes at least one of the following:

[0048] The locking device comprises a locking member 12 and an unlocking member 11 which cooperates with the locking member 12 .

[0049] The locking device further comprises a driving member 14 which cooperates with the unlocking member 11 .

[0050] For example, the unlocking member 11 drives the locking member 12 to extend or retract into the housing 10, so that the circuit breaker is engaged with the cabinet when the locking member 12 is extended, and is inserted into or pulled out of the cabinet when the locking member 12 is retracted;

[0051] Furthermore, one end of the locking member 12 can extend out of or retract into the housing 10, and the locking member 12 is connected to the operating mechanism 20 through a limit member 13; the locking member 12 is driven by the unlocking member 11 to enable the circuit breaker and the cabinet to be snapped together or inserted into or pulled out of the cabinet; the limit member 13 is located below the lock buckle 21 of the operating mechanism 20, the unlocking member 11 drives the locking member 12, and the locking member 12 drives the operating mechanism 20 to move through the limit member 13, so that when the circuit breaker is pulled out of the cabinet, the operating mechanism 20 is synchronously opened.

[0052] An unlocking member 11 is provided on the housing 10 of the circuit breaker to facilitate the operation of the locking member 12; the locking member 12 is provided inside the housing 10, and the unlocking member 11 and the locking member 12 are respectively connected to the housing 10 for rotation. The locking member 12 includes a base and a rotating arm 121 bent from the base, and the rotating arm 121 is linked with the unlocking member 11 to achieve locking and releasing the circuit breaker. By operating the unlocking member 11, the locking member 12 can be driven to rotate, so that the rotating arm 121 of the locking member 12 extends out of or retracts into the housing 10.

[0053] Furthermore, the unlocking member 11 is provided with an unlocking reset member 11a for resetting the unlocking member 11. The unlocking reset member 11a is generally a reset spring, such as Figure 3 As shown, the unlocking member 11 is provided with a first mounting groove 111, and the unlocking reset member 11a is provided in the first mounting groove 111 of the unlocking member 11, and one end of the unlocking reset member 11a is connected to the unlocking member 11, and the other end is connected to the housing 10. When the unlocking member 11 is rotated, the unlocking reset member 11a accumulates elastic force; when it is necessary to reset, the unlocking member 11 is released, and the unlocking member 11 is reset under the drive of the unlocking reset member 11a.

[0054] And / or, it also includes a locking reset member 124 linked with the locking member 12, so as to reset the locking member 12. The locking reset member 124 is generally also a reset spring.

[0055] When the circuit breaker is inserted into the cabinet, the unlocking member 11 is pressed, and the unlocking member 11 drives the locking member 12 to retract into the housing 10 to unlock the circuit breaker, and the circuit breaker can be inserted into the cabinet. After releasing the unlocking member 11 and the locking member 12, they are reset under the action of their respective reset springs, so that the locking member 12 extends out of the housing 10, and the circuit breaker and the cabinet are connected and locked. When the circuit breaker is pulled out of the cabinet, the unlocking member 11 is pressed, and the unlocking member 11 drives the locking member 12 to retract into the housing 10 to unlock the circuit breaker, and the circuit breaker can be pulled out of the cabinet.

[0056] In addition, when the unlocking member 11 is driven to pull the circuit breaker out of the cabinet, the operating mechanism 20 can also be opened, thereby effectively preventing the operating mechanism 20 from being pulled out in the closed state.

[0057] Specifically, the locking member 12 is connected to the limiting member 13 of the operating mechanism 20. When the unlocking member 11 is rotated, the locking member 12 is driven to rotate. The locking member 12 further drives the limiting member 13 to link the operating mechanism 20, thereby driving the operating mechanism 20 to open the gate.

[0058] The limiter 13 and the lock buckle 21 of the operating mechanism 20 are linked to each other, and the operating mechanism 20 is opened by driving the lock buckle 21 to move; and because the limiter 13 is located below the lock buckle 21, it also provides a resetting force for closing the lock buckle 21; the limiter 13 can also be linked to the accessories, and the limiter 13 can be driven to unlock and the accessories can be assembled at the same time. In addition, the limiter 13 is arranged below the lock buckle 21, which makes full use of the space below the operating mechanism 20, making the overall structure compact.

[0059] Thus, the unlocking member 11, the locking member 12 and the limiting member 13 of the operating mechanism 20 are sequentially linked, and the unlocking member 11 is pressed to rotate, so as to drive the locking member 12 to rotate, and the locking member 12 can extend or retract into the housing 10 when rotating; the locking member 12 retracts into the housing 10 to unlock the circuit breaker, and the circuit breaker can be inserted into the cabinet. After releasing the unlocking member 11 and the locking member 12, the locking member 12 is reset, so that the locking member 12 extends out of the housing 10, and the circuit breaker and the cabinet are connected and locked. When the circuit breaker is pulled out of the cabinet, the unlocking member 11 is pressed, and the unlocking member 11 drives the locking member 12 to retract into the housing 10 to unlock the circuit breaker, and the circuit breaker can be pulled out of the cabinet. When the circuit breaker is pulled out of the cabinet, the locking member 12 is linked with the lock 21 of the operating mechanism 20 through the rotation of the limit member 13, and the operating mechanism 20 is opened by driving the lock 21 to operate; the circuit breaker is effectively prevented from being pulled out in the closed state, and the live operation is avoided to bring personal safety to the user, thereby improving the safety and stability of the circuit breaker. The present application realizes the opening of the operating mechanism 20 while unlocking the circuit breaker, thereby preventing adverse effects on personal safety. In addition, since the limit member 13 is located below the lock 21, the limit member 13 can be linked with the accessories, and the limit member 13 can be driven to unlock while realizing the assembly of the accessories and the reset of the lock 21. In addition, the limit member 13, the driving end of the first push rod 122, and the driving end of the second push rod 140 are arranged below the lock 21, which can also make full use of the space below the operating mechanism 20, making the unlocking mechanism compact, which is conducive to the miniaturization of the circuit breaker.

[0060] Further, the circuit breaker includes at least one of the following:

[0061] The locking member 12 includes a first push rod 122 extending from a base, and the first push rod 122 abuts against the limiting member 13 to realize the opening of the circuit breaker;

[0062] The driving member 14 is provided with a second push rod 140 , and the second push rod 140 abuts against the limiting member 13 to realize the opening of the circuit breaker.

[0063] Specifically, in one embodiment of the present application, Figure 2 As shown, a first push rod 122 extends from the base of the locking member 12, and the first push rod 122 abuts against the limiting member 13 to achieve the opening of the circuit breaker. One end of the first push rod 122 extends toward the limiting member 13 and contacts the limiting member 13, and the point of action of the first push rod 122 and the limiting member 13 abutting against each other is located at the bottom end of the limiting member 13.

[0064] The unlocking member 11 is connected to the first push rod 122 through the locking member 12 . When the unlocking member 11 drives the locking member 12 to move, the first push rod 122 is also driven to move.

[0065] The locking member 12 is connected to the operating mechanism 20 via the limiting member 13 . When the locking member 12 rotates, the first push rod 122 is driven to drive the limiting member 13 to rotate, and the limiting member 13 opens the operating mechanism 20 via the lock buckle 21 .

[0066] Correspondingly, if Figure 4 As shown, the first push rod 122 extends along the rotation center 12a of the locking member 12; the locking member 12 is also provided with a boss 123 at the position of the rotation center 12a, and a locking reset member 124 is sleeved on the boss 123, which is generally a reset spring; the locking member 12 is also provided with a support portion 125, and the support portion 125 is located between the first push rod 122 and the end (rotating arm 121) of the locking member 12 for extending or retracting the shell 10, one end of the locking reset member 124 is abutted against the shell 10, and the other end is hung on the lower side of the support portion 125.

[0067] The first push rod 122 is staggered with the rotating arm 121 on the locking member 12. The first push rod 122 is approximately perpendicular to the supporting portion 125. The first push rod 122 is close to the housing 10. Figure 5 As shown, when one end of the locking reset member 124 is hooked on the lower side of the support portion 125, the rotating arm 121 and the shell 10 are separated, so that the rotating arm 121 is lifted, which makes it easier for the rotating arm 121 to extend or retract into the shell 10, thereby reducing the friction between the rotating arm 121 and the shell 10 and making it easier for the rotating arm 121 to extend or retract.

[0068] like Figure 1 As shown, one end of the locking member 12 is connected to the unlocking member 11 and the other end has a rotating arm 121. A through hole is formed in the shell 10 corresponding to the rotating arm 121 so that the rotating arm 121 can extend or retract into the shell 10; the locking member 12 is connected to the operating mechanism 20 through the limit member 13.

[0069] like Figure 3 As shown, an unlocking rod 110 is formed on the unlocking member 11, one end of the unlocking rod 110 is connected to the cylindrical platform, and a first mounting groove 111 is formed on the cylindrical platform for mounting the unlocking reset member 11a; a mounting column 112 extends from the bottom of the cylindrical platform, and the mounting column 112 extends into the Figure 4 The long hole 120 of the locking member 12 allows the unlocking member 11 and the locking member 12 to be rotatably connected.

[0070] An outward through hole is provided in the shell 10, and a rotating arm 121 is formed at one end of the locking member 12 away from the unlocking member 11. When the locking member 12 is driven to rotate by the unlocking member 11, the rotating arm 121 extends or retracts along the through hole, completing the connection between the circuit breaker and the cabinet, or the circuit breaker is inserted into or pulled out of the cabinet.

[0071] It can be seen that in this embodiment, the unlocking member 11 directly drives the locking member 12 to enable the circuit breaker and the cabinet to be connected, inserted into or pulled out of the cabinet; at the same time, when the circuit breaker is pulled out of the cabinet, the locking member 12 drives the operating mechanism 20 to open the circuit breaker through the limiting member 13.

[0072] In another embodiment of the present application, Figure 6 , Figure 8 As shown, a second push rod 140 is formed on the driving member 14 , and the second push rod 140 abuts against the limiting member 13 to realize the opening of the circuit breaker.

[0073] The second push rod 140 extends toward the limiter 13, and the contact point between the second push rod 140 and the limiter 13 is located at the bottom of the limiter 13. The contact point between the second push rod 140 and the limiter 13 is the action point of the two; similarly, the action point is located at the bottom of the limiter 13, and the limiter 13 is linked with the accessories to drive the limiter 13 to unlock, and at the same time, the accessories are assembled and the lock 21 is reset; and the driving ends of the limiter 13 and the second push rod 140 are located below the operating mechanism 20, which can also make full use of the space below the operating mechanism 20, making the unlocking mechanism compact and conducive to the miniaturization of the circuit breaker.

[0074] Likewise, if Figure 3 As shown, an unlocking rod 110 is formed on the unlocking member 11, one end of the unlocking rod 110 is connected to a cylindrical platform, and a first mounting groove 111 is formed on the cylindrical platform to install the unlocking reset member 11a; a mounting column 112 extends from the bottom of the cylindrical platform, and the mounting column 112 extends into the long hole 120 of the locking member 12 to enable the unlocking member 11 and the locking member 12 to be rotatably connected.

[0075] One end of the locking member 12 away from the unlocking member 11 forms a rotating arm 121, and an outward through hole is provided in the shell 10. When the unlocking member 11 drives the locking member 12 to rotate, the rotating arm 121 extends or retracts along the through hole to complete the connection between the circuit breaker and the cabinet, or the circuit breaker is inserted into or pulled out of the cabinet.

[0076] When the circuit breaker is pulled out of the cabinet, the unlocking member 11 also drives the driving member 14 to rotate; a protrusion 113 is formed on the unlocking member 11. Figure 8 The middle driving member 14 is formed with a boss 141, through which Figure 7 The middle protrusion 113 and the boss 141 abut against each other, so that the unlocking member 11 drives the driving member 14 to rotate. The driving member 14 is connected to the limiting member 13, and the limiting member 13 drives the operating mechanism 20 to open the gate.

[0077] In other words, in this embodiment, the locking member 12 is used to connect the circuit breaker to the cabinet, or the circuit breaker is inserted into or pulled out of the cabinet; the driving member 14 is used to open the circuit breaker when the circuit breaker is pulled out of the cabinet.

[0078] Furthermore, a first inclined surface 113a is formed on the protrusion 113, and a second inclined surface 141a is formed on the boss 141. The first inclined surface 113a and the second inclined surface 141a cooperate with each other. When the unlocking member 11 drives the driving member 14 to rotate, the first inclined surface 113a on the protrusion 113 and the second inclined surface 141a on the boss abut against each other, so that the unlocking member 11 and the driving member 14 are linked.

[0079] On this basis, a hook 140 a is formed at the bottom end of the second push rod 140 close to the limiting member 13 , and the second push rod 140 cooperates with the bottom end of the limiting member 13 through the hook 140 a .

[0080] And / or, it also includes a driving reset member 14 a linked with the driving member 14 to reset the driving member 14 .

[0081] A cylindrical platform is also formed on the driving member 14 , and a second mounting groove 142 is formed on the cylindrical platform for mounting a driving reset member 14 a . The driving reset member 14 a uses a reset spring to reset the driving member 14 .

[0082] In summary, the unlocking mechanism provided in the embodiment of the present application is that when the circuit breaker is inserted into the cabinet, the unlocking member 11 is pressed, and the unlocking member 11 drives the locking member 12 to retract into the shell 10 to unlock the circuit breaker, and the circuit breaker can be inserted into the cabinet. After releasing the hand, the unlocking member 11 is reset under the action of the unlocking reset member 11a, and the locking member 12 is reset by the locking reset member 124 to extend out of the shell 10 to achieve the card connection with the cabinet, so that the circuit breaker is locked with the cabinet; when the circuit breaker is pulled out of the cabinet, the unlocking member 11 is pressed, and the unlocking member 11 drives the locking member 12 to retract into the shell 10 to unlock the circuit breaker, and the circuit breaker can be pulled out of the cabinet.

[0083] In order to prevent the circuit breaker from being pulled out in the closed state, the operating mechanism 20 is opened while the circuit breaker is unlocked to prevent adverse effects on personal safety; when the circuit breaker is in the closed state, the unlocking member 11 is pressed, and the unlocking member 11 drives the locking member 12 to retract into the housing 10 to unlock the circuit breaker, and at the same time, the locking member 12 or the driving member 14 drives the limiting member 13 on the operating mechanism 20 to rotate to open the operating mechanism 20. It can effectively prevent the circuit breaker from being pulled out in the closed state, avoid the personal safety of the user caused by live operation, and improve the safety and stability of the circuit breaker; and the limiting member 13, the driving end of the first push rod 122, and the driving end of the second push rod 140 are arranged below the lock buckle 21, so that the driving limiting member 13 unlocks the mechanism while realizing the assembly of accessories and the reset of the lock buckle, and can also effectively utilize the space position below the operating mechanism 20, which is conducive to the miniaturization of the circuit breaker.

[0084] The circuit breaker of the present application is a plug-in circuit breaker, which is convenient for installation and disassembly. The circuit breaker and the cabinet can be connected, inserted into or pulled out of the cabinet through the locking device. At the same time, when the circuit breaker is pulled out of the cabinet, the operating mechanism 20 is opened to prevent the circuit breaker from being pulled out in the closed state, avoid the personal safety of the user caused by live operation, and improve the safety and stability of the circuit breaker.

[0085] The embodiment of the present application also provides an electrical equipment, which is equipped with the aforementioned circuit breaker, and the electrical equipment can be equipped with at least one of the following: distribution box, cable, distribution cabinet, motor, switch socket, lamp, air conditioner, electric water heater, electric meter, camera, telephone, computer, etc. Such electrical equipment can use the circuit breaker related structure of the present application to realize intelligent management, but it is not limited to the above intelligently managed electrical equipment, and can also be used in non-intelligent electrical equipment in traditional industries.

[0086] The embodiment of the present application also provides an electrical equipment, and the aforementioned circuit breaker is applied to the electrical equipment. The electrical equipment can be used for whole-house intelligence, applied to smart home and Internet of Things industries, to realize whole-house intelligent management.

[0087] It is understood that the above scenarios are only examples and do not constitute a limitation on the application scenarios of the technical solutions provided in the embodiments of the present application. The technical solutions of the present application can also be applied to other scenarios. For example, it is known to those skilled in the art that with the evolution of the system architecture and the emergence of new business scenarios, the technical solutions provided in the embodiments of the present application are also applicable to similar technical problems.

[0088] The serial numbers of the above-mentioned embodiments of the present application are for description only and do not represent the advantages or disadvantages of the embodiments.

[0089] The steps in the method of the embodiment of the present application can be adjusted in order, combined and deleted according to actual needs.

[0090] The units in the device of the embodiment of the present application can be merged, divided and deleted according to actual needs.

[0091] In the present application, the same or similar terminology concepts, technical solutions and / or application scenario descriptions are generally described in detail only the first time they appear. When they appear again later, they are generally not repeated for the sake of brevity. When understanding the technical solutions and other contents of the present application, for the same or similar terminology concepts, technical solutions and / or application scenario descriptions that are not described in detail later, reference can be made to the previous related detailed descriptions.

[0092] In the present application, the description of each embodiment has its own emphasis. For parts that are not described or recorded in detail in a certain embodiment, reference can be made to the relevant descriptions of other embodiments.

[0093] The various technical features of the technical solution of the present application can be arbitrarily combined. In order to make the description concise, not all possible combinations of the various technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of the present application.

[0094] The above description is only the preferred embodiment of the present application and is not intended to limit the present application. For those skilled in the art, the present application may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A circuit breaker, comprising a housing (10), an operating mechanism and a locking device, characterized in that: The locking device is arranged on the housing (10) of the circuit breaker, and is used for locking and releasing the circuit breaker.

2. The circuit breaker according to claim 1, characterized in that The locking device is linked with the operating mechanism to open the gate and / or release the circuit breaker.

3. The circuit breaker according to claim 1, characterized in that: The operating mechanism comprises a limiting member (13) linked to the locking device.

4. The circuit breaker according to claim 3, characterized in that The locking device includes at least one of the following: A locking member (12) and an unlocking member (11) that cooperates with the locking member (12); A driving member (14) that cooperates with the unlocking member (11).

5. The circuit breaker according to claim 4, characterized in that The locking device further comprises a locking reset member (124) cooperating with the locking member (12) for resetting the locking member (12); and / or, It also includes an unlocking and resetting member (11a) linked to the unlocking member (11) for resetting the unlocking member (11); and / or, It also includes a driving reset member (14a) linked to the driving member (14) for resetting the driving member (14).

6. The circuit breaker according to any one of claims 1 to 5, characterized in that: The locking device adopts at least one of the following linkage modes: The locking device is rotatably mounted on the housing (10); The locking device is slidably mounted on the housing (10); The locking device is integrally formed with the housing (10).

7. The circuit breaker according to claim 5, characterized in that The locking member (12) comprises a base and a rotating arm (121) bent from the base, and the rotating arm (121) cooperates with the unlocking member (11) to lock and release the circuit breaker.

8. The circuit breaker according to claim 7, characterized in that The circuit breaker includes at least one of the following: The locking member (12) comprises a first push rod (122) extending from the base, wherein the first push rod (122) abuts against the limiting member (13) to realize the opening of the circuit breaker; The driving member (14) is provided with a second push rod (140), and the second push rod (140) abuts against the limiting member (13) to realize the opening of the circuit breaker.

9. The circuit breaker according to claim 8, characterized in that The locking member (12) is also provided with a convex column (123) at the position of the rotation center (12a), and the locking reset member (124) is sleeved on the convex column (123); the locking member (12) is also provided with a supporting portion (125), and the supporting portion (125) is located between the first push rod (122) and the rotating arm (121); one end of the locking reset member (124) is in contact with the housing (10), and the other end is hung on the lower side of the supporting portion (125).

10. The circuit breaker according to any one of claims 4, 5, 7 to 9, characterized in that: The unlocking member (11) is formed with a protrusion (113), and the driving member (14) is formed with a boss (141). The unlocking member (11) drives the driving member (14) to rotate by abutting against the protrusion (113) and the boss (141).

11. An electrical device, characterized in that: The electrical equipment comprises a circuit breaker according to any one of claims 1-10.

Citation Information

Patent Citations

  • Locking device of breaker operating device

    CN107833804A

  • Plug-in circuit breaker

    CN111489924A

  • Operating mechanism and circuit breaker with same

    CN211605072U

  • Plug-in circuit breaker

    CN217641144U

  • Plug-in circuit breaker locking assembly and circuit breaker

    CN219163294U