Molded case circuit breaker

Abstract

The utility model is suitable for the technical field of circuit breakers, and provides a molded case circuit breaker, which comprises a back plate provided with a plurality of mounting hole sites; the molded case circuit breaker body is arranged on the back plate; the top plate and the shell are fixedly arranged on the back plate; the protection mechanism is arranged on the back plate and is used for protecting the molded case circuit breaker body; the opening and closing control mechanism is assembled and mounted on the back plate and is used for controlling opening and closing of the protective cover; and a plurality of switching-on mechanisms arranged on the inner wall of the housing, wherein the plurality of switching-on mechanisms are used for performing switching-on operation on the plurality of molded case circuit breaker bodies. According to the molded case circuit breaker provided by the scheme, the opening and closing states of the circuit breaker can be remotely monitored, the molded case circuit breaker has a remote control function of closing operation, has a mistaken touch prevention function, can avoid the situation of breaking due to mistaken touch, and is relatively high in safety.

Description

Technical Field

[0001] The utility model belongs to the technical field of circuit breakers, and in particular relates to a molded case circuit breaker. Background Art

[0002] A circuit breaker is a switch device that can close, carry and disconnect current under normal circuit conditions and close, carry and disconnect current under abnormal circuit conditions within a specified time. Circuit breakers are divided into high-voltage circuit breakers and low-voltage circuit breakers according to their scope of use. The boundary between high and low voltage is relatively vague, and those above 3kV are generally called high-voltage electrical appliances.

[0003] Existing molded case circuit breakers often do not have a remote control closing function and an anti-accidental touch function. Therefore, the operating handle on the circuit breaker may trip due to accidental touch, which reduces safety. Utility Model Content

[0004] The utility model provides a molded case circuit breaker, aiming to solve the problems raised in the above background technology that the existing molded case circuit breaker has no anti-mistouch function and often has no remote control closing function.

[0005] To solve the above problems, the utility model is implemented as follows: a molded case circuit breaker comprises: a back plate with a plurality of mounting holes; a molded case circuit breaker body arranged on the back plate; a top plate and a shell fixedly mounted on the back plate; a protective mechanism arranged on the back plate, the protective mechanism being used to protect the molded case circuit breaker body; an opening and closing control mechanism assembled and mounted on the back plate, the opening and closing control mechanism being used to control the opening and closing of a protective cover; and a plurality of closing mechanisms arranged on the inner wall of the shell, the plurality of closing mechanisms being used to perform closing operations on a plurality of molded case circuit breaker bodies.

[0006] Preferably, the protection mechanism comprises: a plurality of positioning blocks fixedly mounted on the back plate; a transverse axis rotatably mounted on the plurality of positioning blocks; and a protective cover fixedly sleeved on the transverse axis.

[0007] Preferably, the opening and closing control mechanism includes: a driving shell fixedly mounted on the back plate; a stepping motor fixedly mounted on the inner wall of the driving shell; a worm rotatably mounted on the driving shell and rotatably connected to the top plate, the worm being fixedly connected to the output shaft of the stepping motor; and a worm wheel fixedly mounted on the horizontal axis and meshing with the worm.

[0008] Preferably, the closing mechanism comprises: a servo motor fixedly mounted on the inner wall of the bottom of the shell and having a screw; a threaded sleeve threadedly sleeved on the screw and slidably connected to the shell; and a push plate fixedly mounted on the top of the threaded sleeve.

[0009] Preferably, a plurality of limit rods are fixedly mounted on the shell, a plurality of threaded sleeves are fixedly sleeved with limit plates, and the plurality of limit plates are slidably connected to the plurality of limit rods respectively.

[0010] Preferably, a control module is provided on the bottom inner wall of the shell, a Bluetooth module and a communication module are provided on the control module, and the control module is electrically connected to the stepper motor and the plurality of servo motors.

[0011] Preferably, a camera is provided at the bottom of the drive housing, and the camera is electrically connected to the control module.

[0012] Preferably, a display screen and an operation panel are provided on the back panel, and both the display screen and the operation panel are electrically connected to the control module.

[0013] Compared with the related art, the molded case circuit breaker provided by the utility model has the following beneficial effects:

[0014] Compared with the prior art, the molded case circuit breaker provided by the present solution has a back plate as the basic structure of the entire system, and a plurality of mounting holes are provided on the back plate, so that the system can be conveniently installed on various devices and frames. The molded case circuit breaker body is installed on the back plate, and is responsible for opening and closing the circuit, and protecting the circuit from electrical faults such as overload and short circuit. The top plate and the shell are fixedly installed on the back plate, and the protective mechanism is arranged on the back plate, and is used for additional protection of the molded case circuit breaker body. The protective mechanism can avoid the occurrence of accidental touch, and the occurrence of circuit breaker disconnection due to accidental touch. The opening and closing control mechanism is assembled and installed on the back plate, and is used for controlling the opening and closing of the protective cover. The protective cover can be closed when the circuit breaker is not working, and the circuit breaker body is protected from dust, moisture and other pollutants. When the circuit breaker needs to be operated, the opening and closing control mechanism can easily open the protective cover, which is convenient for users to perform maintenance or adjustment. The closing mechanism is arranged on the inner wall of the shell, and is used for closing multiple molded case circuit breaker bodies;

[0015] The present invention can remotely monitor the opening and closing states of the circuit breaker, and has a remote control function for the closing operation, and has an anti-mistouch function, which can avoid the situation of circuit breaker breaking due to mistouch, and has high safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional structural schematic diagram of a molded case circuit breaker provided by the utility model;

[0017] Figure 2 for Figure 1 A schematic diagram of a front cross-sectional structure;

[0018] Figure 3 for Figure 2 An enlarged structural diagram of part A shown in FIG.

[0019] Figure 4 for Figure 2 Schematic diagram of the enlarged structure of part B shown in FIG.

[0020] Figure numerals: 1. back plate; 2. molded case circuit breaker body; 3. top plate; 4. shell; 5. positioning block; 6. horizontal axis; 7. protective cover; 8. drive shell; 9. stepper motor; 10. worm; 11. worm gear; 12. servo motor; 13. screw; 14. threaded sleeve; 15. push plate; 16. limit rod; 17. limit plate; 18. control module; 19. Bluetooth module; 20. communication module; 21. camera; 22. display screen; 23. operation panel. DETAILED DESCRIPTION

[0021] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by technicians in the technical field of the present application; the terms used in the specification of the application herein are only for the purpose of describing specific embodiments and are not intended to limit the present application; the terms "including" and "having" in the specification and claims of the present application and the above-mentioned figure descriptions and any variations thereof are intended to cover non-exclusive inclusions. The terms "first", "second", etc. in the specification and claims of the present application or the above-mentioned figures are used to distinguish different objects, rather than to describe a specific order; the terms "inside", "outside", "left", and "right" indicate directions or positional relationships based on the directions or positional relationships shown in the drawings, which are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present invention.

[0022] Reference to "embodiments" herein means that a particular feature, structure, or characteristic described in conjunction with the embodiments may be included in at least one embodiment of the present application. The appearance of the phrase in various locations in the specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment that is mutually exclusive with other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein may be combined with other embodiments.

[0023] The utility model embodiment provides a molded case circuit breaker, such as Figure 1-4As shown, the molded case circuit breaker includes: a back plate 1 with multiple installation holes; a molded case circuit breaker body 2 arranged on the back plate 1; a top plate 3 and a shell 4 fixedly mounted on the back plate 1; a protective mechanism arranged on the back plate 1, and the protective mechanism is used to protect the molded case circuit breaker body 2; an opening and closing control mechanism assembled and installed on the back plate 1, and the opening and closing control mechanism is used to control the opening and closing of the protective cover 7; and multiple closing mechanisms are arranged on the inner wall of the shell 4, and the multiple closing mechanisms are used to close multiple molded case circuit breaker bodies 2.

[0024] In this embodiment, the back panel 1 serves as the basic structure of the entire system. A plurality of mounting holes are provided on the back panel, which facilitates the installation of the system on various devices and frames. The molded case circuit breaker body 2 is installed on the back panel, which is responsible for opening and closing the circuit and protecting the circuit from electrical faults such as overload and short circuit. The top panel 3 and the shell 4 are fixedly installed on the back panel. The protection mechanism is provided on the back panel, which is used to provide additional protection for the molded case circuit breaker body. The protection mechanism can avoid accidental touch and the circuit breaker tripping caused by accidental touch. The opening and closing control mechanism is assembled and installed on the back panel, which is used to control the opening and closing of the protection cover 7. The protection cover can be closed when the circuit breaker is not working, which protects the circuit breaker body from dust, moisture and other pollutants. When the circuit breaker needs to be operated, the opening and closing control mechanism can easily open the protection cover, which is convenient for users to perform maintenance or adjustment. The closing mechanism is provided on the inner wall of the shell 4, which is used to perform closing operations on multiple molded case circuit breaker bodies.

[0025] The present invention can remotely monitor the opening and closing states of the circuit breaker, and has a remote control function for the closing operation, and has an anti-mistouch function, which can avoid the situation of circuit breaker breaking due to mistouch, and has high safety.

[0026] In a further preferred embodiment of the utility model, the protection mechanism includes: a plurality of positioning blocks 5 fixedly mounted on the back plate 1 ; a horizontal shaft 6 rotatably mounted on the plurality of positioning blocks 5 ; and a protective cover 7 fixedly sleeved on the horizontal shaft 6 .

[0027] In this embodiment, the transverse axis 6 can be installed through a plurality of positioning blocks 5, and the protective cover 7 can protect the molded case circuit breaker body 2, thereby avoiding the occurrence of accidental touch.

[0028] In a further preferred embodiment of the utility model, the opening and closing control mechanism includes: a drive shell 8 fixedly mounted on the back plate 1; a stepper motor 9 fixedly mounted on the inner wall of the drive shell 8; a worm 10 rotatably mounted on the drive shell 8 and rotatably connected to the top plate 3, the worm 10 being fixedly connected to the output shaft of the stepper motor 9; and a worm wheel 11 fixedly sleeved on the horizontal axis 6 and meshing with the worm 10.

[0029] In this embodiment, the stepper motor 9 drives the worm 10 to rotate, the worm 10 drives the worm wheel 11 to rotate, and the worm wheel 11 drives the horizontal axis 6 to rotate. The opening and closing of the protective cover 7 can be controlled by the rotation of the horizontal axis 6.

[0030] In a further preferred embodiment of the utility model, the closing mechanism includes: a servo motor 12 fixedly mounted on the inner wall of the bottom of the shell 4 and having a screw 13; a threaded sleeve 14 threadedly sleeved on the screw 13 and slidably connected to the shell 4; and a push plate 15 fixedly mounted on the top of the threaded sleeve 14.

[0031] In this embodiment, the screw rod 13 is driven to rotate by the servo motor 12 , and the screw rod 13 is threadedly rotated on the inner wall of the threaded sleeve 14 to drive the push plate 15 to move upward, thereby performing a closing operation on the molded case circuit breaker body 1 .

[0032] In a further preferred embodiment of the utility model, a plurality of limit rods 16 are fixedly mounted on the housing 4 , a plurality of threaded sleeves 14 are fixedly sleeved with limit plates 17 , and the plurality of limit plates 17 are slidably connected to the plurality of limit rods 16 , respectively.

[0033] In this embodiment, the plurality of threaded sleeves 14 can be guided and limited by the plurality of limiting plates 17 sliding on the plurality of limiting rods 16 .

[0034] In a further preferred embodiment of the utility model, a control module 18 is provided on the bottom inner wall of the shell 4 , a Bluetooth module 19 and a communication module 20 are provided on the control module 18 , and the control module 18 is electrically connected to the stepper motor 9 and the plurality of servo motors 12 .

[0035] In this embodiment, the stepper motor 9 and multiple servo motors 12 can be controlled through the control module 18, and the Bluetooth module 19 can enable the staff to connect to the control module 18 through the mobile phone APP, so as to control the stepper motor 9 and multiple servo motors 12 through the mobile phone APP, and the control module 18 can be connected to the Internet through the communication module 20, so that the staff can remotely control the stepper motor 9 and multiple servo motors 12.

[0036] In a further preferred embodiment of the present invention, a camera 21 is disposed at the bottom of the driving shell 8 , and the camera 21 is electrically connected to the control module 18 .

[0037] In this embodiment, the opening and closing states of the molded case circuit breaker body 2 can be monitored by the camera 21 .

[0038] In a further preferred embodiment of the present invention, a display screen 22 and an operation panel 23 are disposed on the back panel 1 , and both the display screen 22 and the operation panel 23 are electrically connected to the control module 18 .

[0039] In this embodiment, the control module 18 can be operated and controlled through the operation panel 23 and the display screen 22 .

[0040] To sum up, compared with the relevant technology, this device can remotely monitor the opening and closing status of the circuit breaker, and at the same time has the remote control function of the closing operation, and has an anti-accidental touch function, which can avoid the situation of circuit breaker breaking due to accidental touch, and has higher safety.

[0041] In the several embodiments provided in this application, it should be understood that the disclosed device can be implemented in other ways.

[0042] The above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit the protection scope of the utility model. Obviously, the described embodiments are only some embodiments of the utility model, rather than all embodiments. Based on these embodiments, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model. Although the utility model has been described in detail with reference to the above embodiments, ordinary technicians in this field can still combine, add, delete or make other adjustments to the features in the various embodiments of the utility model according to the circumstances without conflict, without making creative work, so as to obtain different other technical solutions that do not deviate from the concept of the utility model in essence, and these technical solutions also belong to the scope of protection of the utility model.

Claims

1. A molded case circuit breaker, characterized in that: include: A back panel with multiple mounting holes; A molded case circuit breaker body disposed on the back plate; A top plate and a shell fixedly mounted on the back plate; A protection mechanism disposed on the back plate, the protection mechanism being used to protect the molded case circuit breaker body; An opening and closing control mechanism is assembled and installed on the back plate, and the opening and closing control mechanism is used to control the opening and closing of the protective cover; A plurality of closing mechanisms are arranged on the inner wall of the shell, and the plurality of closing mechanisms are used to perform closing operations on a plurality of molded case circuit breaker bodies.

2. The molded case circuit breaker according to claim 1, characterized in that: The protection mechanism comprises: A plurality of positioning blocks fixedly mounted on the back plate; A horizontal shaft rotatably mounted on the plurality of positioning blocks; A protective cover is fixedly sleeved on the horizontal axis.

3. The molded case circuit breaker according to claim 2, characterized in that: The opening and closing control mechanism comprises: A drive housing fixedly mounted on the back plate; A stepper motor fixedly mounted on the inner wall of the drive housing; A worm rotatably mounted on the drive housing and rotatably connected to the top plate, wherein the worm is fixedly connected to an output shaft of the stepper motor; A worm wheel is fixedly sleeved on the transverse shaft and meshed with the worm.

4. The molded case circuit breaker according to claim 3, characterized in that: The closing mechanism comprises: A servo motor fixedly mounted on the inner wall of the bottom of the housing and having a screw; A threaded sleeve threadedly sleeved on the screw rod and slidably connected to the housing; A push plate is fixedly mounted on the top end of the threaded sleeve.

5. The molded case circuit breaker according to claim 4, characterized in that: A plurality of limiting rods are fixedly mounted on the shell, and a plurality of threaded sleeves are fixedly sleeved with limiting plates, and the plurality of limiting plates are respectively slidably connected to the plurality of limiting rods.

6. The molded case circuit breaker according to claim 4, characterized in that: A control module is arranged on the inner wall of the bottom of the shell, a Bluetooth module and a communication module are arranged on the control module, and the control module is electrically connected to the stepper motor and a plurality of servo motors.

7. The molded case circuit breaker according to claim 6, characterized in that: A camera is arranged at the bottom of the driving shell, and the camera is electrically connected to the control module.

8. The molded case circuit breaker according to claim 6, characterized in that: The back panel is provided with a display screen and an operation panel, and both the display screen and the operation panel are electrically connected to the control module.

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