Remote opening and closing device

Abstract

The utility model is suitable for the technical field of power equipment, and provides a remote opening and closing device, which comprises a molded case circuit breaker body, and is driven by the output end of a speed reducing motor, so that a driving gear drives a driven gear to rotate, the rotation of the driven gear drives a screw rod to rotate, and the rotation of the screw rod enables a sliding block to move on the screw rod; a flashboard on the molded case circuit breaker body penetrates through the equipment opening and is located in the fixing frame, the shifting piece is in a C shape, a switch shifting plate on the molded case circuit breaker body is located in the middle of the C shape of the shifting piece, the shifting piece can move up and down through movement of the sliding block to drive the flashboard on the molded case circuit breaker body to move, and therefore the flashboard on the molded case circuit breaker body is opened / closed. The device is simple in structure and easy and convenient to install, installation personnel can complete installation of the device without having strong electrical knowledge, the molded case circuit breaker body does not need to be disassembled during installation, the device cost is low, and popularization of the device is facilitated.

Description

Technical Field

[0001] The utility model belongs to the technical field of electric power equipment, and in particular relates to a remote opening and closing device. Background Art

[0002] A circuit breaker refers to a switching device that can close, carry and disconnect current under normal circuit conditions and can 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] The existing technology is to use an electric actuator to drive a connecting rod mechanism to achieve electric closing / opening. Although the electric closing / opening function can be achieved, the installation is cumbersome. The molded case circuit breaker needs to be disassembled as a whole and long screws need to be inserted to fix the device to the equipment. The wiring is complicated and occupies a large amount of internal space in the distribution cabinet. It has high requirements on installation conditions and the quality of the installers, so it cannot be popularized on a large scale. Utility Model Content

[0004] The utility model provides a remote opening and closing device, aiming to solve the problem that the prior art realizes electric closing / opening by driving a connecting rod mechanism through an electric actuator. Although the electric closing / opening function can be realized, the installation is cumbersome, and the molded case circuit breaker needs to be disassembled as a whole and then long screws are inserted to fix the device to the equipment. The wiring is complicated and a large amount of internal space of the distribution cabinet is occupied. The installation conditions and the quality of the installers are high, so the device cannot be widely popularized.

[0005] The utility model is implemented as follows: a remote opening and closing device comprises a molded case circuit breaker body, the outer wall of the molded case circuit breaker body is provided with a fixing frame, and the outer wall of the fixing frame is fixedly connected with a reduction motor, and the output end of the reduction motor is fixedly connected with a driving gear, the inner wall of the fixing frame is rotatably connected with a screw, and the outer wall of the screw is fixedly connected with a driven gear meshing with the driving gear, the outer wall of the screw is threadedly connected with a slider, and the outer wall of the slider is fixedly connected with a paddle, the slider and the fixing frame are slidably connected, the outer wall of the fixing frame is provided with an equipment port, and the inner wall of the fixing frame is provided with a control circuit board, and the reduction motor and the control circuit board are electrically connected.

[0006] Preferably, a cover plate is provided on the outer wall of the molded case circuit breaker body, and the screw and the control circuit board are located inside the cover plate.

[0007] Preferably, a card slot is formed on the outer wall of the fixing frame, and a card block matching the card slot is fixedly connected to the outer wall of the cover plate.

[0008] Preferably, the cover plate and the molded case circuit breaker body are made of flame-retardant PP.

[0009] Preferably, a mounting plate is fixedly connected to the outer wall of the fixing frame, and bolt holes are provided on the outer wall of the mounting plate.

[0010] Compared with the prior art, the embodiments of the present application have the following beneficial effects:

[0011] The output end of the reduction motor drives the driving gear to drive the driven gear to rotate, and the rotation of the driven gear drives the screw to rotate. The rotation of the screw causes the slider to move on the screw. The gate on the molded case circuit breaker body passes through the equipment port and is located in the fixed frame. The paddle is C-shaped, and the switch paddle on the molded case circuit breaker body is located in the middle of the C-shape of the paddle. The movement of the slider can make the paddle move up and down to drive the gate on the molded case circuit breaker body to move, so that the gate on the molded case circuit breaker body can be opened / closed. The equipment has a simple structure and is easy to install. The installer does not need to have strong electrical knowledge to complete the installation of the device. The molded case circuit breaker body does not need to be disassembled during installation. The equipment cost is low, which facilitates the popularization of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a side view structural schematic diagram of the utility model;

[0013] Figure 2 It is a schematic diagram of the stereoscopic structure of the utility model;

[0014] Figure 3 It is a three-dimensional structural schematic diagram of the utility model;

[0015] Figure 4 This is a schematic diagram of the front view structure of the screw rod of the utility model;

[0016] In the figure: 1. Molded case circuit breaker body; 2. Fixed frame; 3. Cover plate; 4. Reducer motor; 5. Driving gear; 6. Screw; 7. Driven gear; 8. Slider; 9. Paddle; 10. Equipment port; 11. Control circuit board; 12. Mounting plate. DETAILED DESCRIPTION

[0017] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by technicians in the technical field of this 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 this application; the terms "including" and "having" and any variations thereof in the specification and claims of this application and the above-mentioned drawings are intended to cover non-exclusive inclusions. The terms "first", "second", etc. in the specification and claims of this application or the above-mentioned drawings are used to distinguish different objects, not to describe a specific order.

[0018] 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.

[0019] The utility model embodiment provides a remote opening and closing device, such as Figure 1-3 As shown, it includes a molded case circuit breaker body 1, the outer wall of the molded case circuit breaker body 1 is provided with a fixing frame 2, and the outer wall of the fixing frame 2 is fixedly connected to a reduction motor 4, and the output end of the reduction motor 4 is fixedly connected to a driving gear 5, the inner wall of the fixing frame 2 is rotatably connected to a screw rod 6, and the outer wall of the screw rod 6 is fixedly connected to a driven gear 7 meshing with the driving gear 5, the outer wall of the screw rod 6 is threadedly connected to a slider 8, and the outer wall of the slider 8 is fixedly connected to a paddle 9, the slider 8 and the fixing frame 2 are slidably connected, the outer wall of the fixing frame 2 is provided with an equipment port 10, and the inner wall of the fixing frame 2 is provided with a control circuit board 11, and the reduction motor 4 and the control circuit board 11 are electrically connected.

[0020] It should be noted that, since the prior art realizes electric closing / opening by driving the connecting rod mechanism through an electric actuator, although the electric closing / opening function can be realized, the installation is cumbersome, and the molded case circuit breaker needs to be disassembled as a whole and then long screws are inserted to fix the device to the equipment. The wiring is complicated and occupies a large amount of internal space of the distribution cabinet. It has high requirements on the installation conditions and the quality of the installers, so it cannot be popularized on a large scale. Therefore, in order to solve the above problems, a signal receiving and sending module is provided on the control circuit board 11 of the present scheme, and the signal receiving and sending module is electrically connected to the control terminal, so that the control terminal controls the start and stop of the reduction motor 4 through the control circuit board 11, and the driving gear 5 is driven by the output end of the reduction motor 4. The driven gear 7 rotates, and the rotation of the driven gear 7 drives the screw 6 to rotate. The rotation of the screw 6 causes the slider 8 to move on the screw 6. The gate on the molded case circuit breaker body 1 passes through the equipment port 10 and is located in the fixed frame 2. The paddle 9 is C-shaped, and the switch paddle on the molded case circuit breaker body 1 is located in the middle of the C-shape of the paddle 9. The movement of the slider 8 can make the paddle 9 move up and down to drive the gate on the molded case circuit breaker body 1 to move, so that the gate on the molded case circuit breaker body 1 can be opened / closed. The equipment has a simple structure and is easy to install. The installer does not need to have strong electrical knowledge to complete the installation of the device. The molded case circuit breaker body 1 does not need to be disassembled during installation. The equipment cost is low, which facilitates the popularization of the equipment.

[0021] In a further preferred embodiment of the present invention, Figure 1As shown, a cover plate 3 is provided on the outer wall of the molded case circuit breaker body 1 , and the screw rod 6 and the control circuit board 11 are located inside the cover plate 3 .

[0022] In this embodiment, the cover plate 3 is used to protect the screw rod 6 from external impact, thereby ensuring the normal operation of the screw rod 6 .

[0023] In a further preferred embodiment of the present invention, Figure 1 As shown, a card slot is formed on the outer wall of the fixing frame 2, and a card block matching the card slot is fixedly connected to the outer wall of the cover plate 3.

[0024] In this embodiment, the cover plate 3 and the fixing frame 2 are snap-fitted to facilitate personnel to open the cover plate 3 and inspect the parts inside the cover plate 3 .

[0025] In a further preferred embodiment of the present invention, Figure 1 As shown, the cover plate 3 and the molded case circuit breaker body 1 are made of flame-retardant PP.

[0026] In this embodiment, the flame-retardant PP has excellent UV resistance and heat aging resistance.

[0027] In a further preferred embodiment of the present invention, Figure 1 As shown, the outer wall of the fixing frame 2 is fixedly connected with a mounting plate 12, and the outer wall of the mounting plate 12 is provided with bolt holes.

[0028] In this embodiment, bolt holes are provided on the outer wall of the molded case circuit breaker body 1 , and the fixing frame 2 and the molded case circuit breaker body 1 are connected by bolts, which facilitates the installation of the fixing frame 2 .

[0029] It should be noted that, for the above-mentioned embodiments, for the sake of simplicity, they are all described as a series of action combinations, but those skilled in the art should know that the utility model is not limited by the described action sequence, because according to the utility model, some steps may be performed in other sequences or simultaneously. Secondly, those skilled in the art should also know that the embodiments described in the specification are all preferred embodiments, and the actions and modules involved are not necessarily required by the utility model.

[0030] In the several embodiments provided in the present application, it should be understood that the disclosed devices can be implemented in other ways. For example, the device embodiments described above are merely schematic, such as the division of the above-mentioned units. There may be other division methods in actual implementation, such as multiple units or components can be combined or integrated into another system, or some features can be ignored or not executed. Another point is that the mutual coupling or communication connection shown or discussed can be through some interfaces, and the indirect coupling or communication connection between devices or units can be in the form of telecommunication or other forms.

[0031] The units described above as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, that is, they may be located in one place or distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.

[0032] 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. Remote opening and closing device, characterized in that: The invention comprises a molded case circuit breaker body (1), wherein a fixing frame (2) is arranged on the outer wall of the molded case circuit breaker body (1), and a reduction motor (4) is fixedly connected to the outer wall of the fixing frame (2), and a driving gear (5) is fixedly connected to the output end of the reduction motor (4), a screw rod (6) is rotatably connected to the inner wall of the fixing frame (2), and a driven gear (7) meshing with the driving gear (5) is fixedly connected to the outer wall of the screw rod (6), a slider (8) is threadedly connected to the outer wall of the screw rod (6), and a paddle (9) is fixedly connected to the outer wall of the slider (8), the slider (8) and the fixing frame (2) are slidably connected, the outer wall of the fixing frame (2) is provided with an equipment port (10), and a control circuit board (11) is arranged on the inner wall of the fixing frame (2), and the reduction motor (4) and the control circuit board (11) are electrically connected.

2. The remote opening and closing device according to claim 1, characterized in that: The outer wall of the molded case circuit breaker body (1) is provided with a cover plate (3), and the screw rod (6) and the control circuit board (11) are located inside the cover plate (3).

3. The remote opening and closing device according to claim 2, characterized in that: The outer wall of the fixing frame (2) is provided with a card slot, and the outer wall of the cover plate (3) is fixedly connected with a card block matching the card slot.

4. The remote opening and closing device according to claim 3, characterized in that: The cover plate (3) and the molded case circuit breaker body (1) are made of flame-retardant PP.

5. The remote opening and closing device according to claim 1, characterized in that: The outer wall of the fixing frame (2) is fixedly connected to a mounting plate (12), and the outer wall of the mounting plate (12) is provided with bolt holes.

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