Excitation type dual-power contact pressing device

Abstract

The utility model discloses an excitation type dual power supply contact pressing device, which relates to the technical field of dual power supply change-over switches, and comprises a load bus and a power supply module, the upper end of the power supply module is provided with a common source bus, the rear end of the common source bus is provided with a standby power supply bus, and the standby power supply bus is connected with the load bus. A controller is arranged on one side of the power module, a debugging handle is arranged on one side of the controller, a mounting groove is formed in the other side of the controller, a wiring terminal is arranged in the mounting groove, a protection assembly is arranged outside the debugging handle, and the protection assembly comprises a protection sleeve. By means of the scheme, the problems that a debugging handle of an existing dual-power-supply change-over switch lacks protection, is prone to being damaged due to stress during use, installation and maintenance, and is prone to misoperation due to stress, and the protection performance is poor are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of dual power conversion switches, in particular to an excitation type dual power contact pressing device. Background Art

[0002] A dual power transfer switch is a switching device that automatically switches to another power source when a power outage occurs.

[0003] For example, the Chinese authorized patent with announcement number CN111933473B (a kind of excitation type dual power contact pressing device): comprises a shell, an inner frame is fixedly installed on the top of the inner cavity of the shell, the inner cavity of the inner frame is provided with a rotating shaft, the top of the rotating shaft is fixedly connected to a disc, and a pressing outer tube is fixedly installed at the top axial position of the disc, a first spring and a pressing inner tube are provided inside the pressing outer tube, a conversion knob is provided on the top of the pressing inner tube, and a pressing protrusion is symmetrically provided at the bottom of the conversion knob, a second spring is symmetrically provided at the bottom of the inner cavity of the inner frame, and a limiting device is also fixedly installed in the second spring, and a moving contact mounting seat is fixedly installed on the top of the second spring and the limiting device. The beneficial effects of the present invention are: it has two different switching modes, manual and automatic, and the two do not interfere with each other; manual switching is not prone to errors that lead to incorrect switching.

[0004] However, the debugging handle of the existing dual power transfer switch lacks protection, is easily damaged by force during use and installation and maintenance, and is easily misoperated by force, resulting in poor protection; therefore, it does not meet the existing needs. We have proposed an excitation type dual power contact pressing device. Utility Model Content

[0005] The purpose of the present utility model is to provide an excitation type dual power contact pressing device to solve the problem that the debugging handle of the existing dual power conversion switch proposed in the above background technology lacks protection, is easily damaged by force during use and installation and maintenance, and is easily misoperated by force, resulting in poor protection.

[0006] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: an excitation type dual power contact pressing device, comprising: a load bus and a power module, a common source bus is provided at the upper end of the power module, a backup power bus is provided at the rear end of the common source bus, a controller is provided on one side of the power module, a debugging handle is provided on one side of the controller, an installation slot is provided on the other side of the controller, a wiring terminal is provided inside the installation slot, and a protective component is provided outside the debugging handle.

[0007] Preferably, the protection component includes a protection cover, the lower surfaces of both ends of the protection cover are provided with a movable frame, the front surface of the controller is provided with a movable groove, and the movable frame moves along the movable groove.

[0008] Preferably, a protective groove is provided inside the protective sleeve, and one side of the protective groove is open.

[0009] Preferably, a fixing frame is provided at the opening center of the protective groove, and the upper surface of the fixing frame is fixed to the protective sleeve by hot melt, an extrusion seat is provided on one side surface of the protective sleeve, and the extrusion seat is made of rubber material, a positioning seat is provided on one side of the protective sleeve, an extrusion groove is provided on one side surface of the positioning seat, and the extrusion seat is inserted into the extrusion groove.

[0010] Preferably, both sides of the power module are squeezed by a fixing plate, and the corners of the fixing plate are fixed by threaded fasteners.

[0011] Preferably, a base is provided at the rear end of the power module, and fastener holes for installation and fixation are provided at the corners of the base.

[0012] Preferably, a connection socket is provided on the upper surface of the controller, and the controller is fixed to the base by fixing bolts.

[0013] Compared with the prior art, the beneficial effects of the present invention are:

[0014] 1. The utility model provides a protective component on the outside of the debugging handle. When the debugging handle is not in use, the protective cover is pushed toward the debugging handle, and the movable frame moves along the movable groove. The movable frame and the movable groove are both L-shaped, which is convenient for limiting the movement of the protective cover and preventing it from falling, thereby improving stability and directionality. The debugging handle enters the protective groove and is protected by the protective cover, thereby improving safety, avoiding damage caused by force during use, installation and maintenance, and preventing misoperation caused by force, thereby improving protection. When the debugging handle needs to be operated, it is only necessary to push the protective cover toward the wiring terminal, which is simple and convenient, and solves the problem that the debugging handle of the existing dual power transfer switch lacks protection, is easily damaged by force during use, installation and maintenance, and is easily misoperated due to force, resulting in poor protection.

[0015] 2. A fixing frame is provided at the opening center of the protective groove, and an extrusion seat is provided on one side surface of one end of the fixing frame. The extrusion seat is made of rubber material. When the protective cover protects the debugging handle, the extrusion seat is inserted into the extrusion groove. The protective cover is fixed by the extrusion force to avoid sliding by itself. No locking structure is required, which makes it easy to quickly fix and open the protective cover and improves convenience. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the overall structure of the utility model after the protective components are removed;

[0018] Figure 3 This is a schematic diagram of the protective cover of the present invention when viewed from above;

[0019] Figure 4 This is a schematic diagram of the left side structure of the positioning seat of the utility model;

[0020] In the figure: 1. Load bus; 2. Power module; 3. Debug handle; 4. Normal source bus; 5. Backup power bus; 6. Base; 7. Terminal block; 8. Controller; 9. Mounting slot; 10. Connection socket; 11. Fixing bolt; 12. Fixing plate; 13. Threaded fastener; 14. Protective assembly; 15. Positioning seat; 16. Moving slot; 17. Moving frame; 18. Fixed frame; 19. Extrusion seat; 20. Protective slot; 21. Protective cover; 22. Extrusion slot. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0022] See also Figure 1-4 , the utility model provides an embodiment: an excitation type dual power contact pressing device, comprising: a load bus 1 and a power module 2, a base 6 is provided at the rear end of the power module 2, and fastener holes for installation and fixation are provided at the corners of the base 6, a common source bus 4 is provided at the upper end of the power module 2, and a backup power bus 5 is provided at the rear end of the common source bus 4, a controller 8 is provided on one side of the power module 2, a connection socket 10 is provided on the upper surface of the controller 8, and the controller 8 is fixed to the base 6 by fixing bolts 11, a debugging handle 3 is provided on one side of the controller 8, a mounting groove 9 is provided on the other side of the controller 8, a wiring terminal 7 is provided inside the mounting groove 9, a protective component 14 is provided on the outside of the debugging handle 3, the protective component 14 includes a protective cover 21, and a movable frame 17 is provided on the lower surfaces of both ends of the protective cover 21, a movable groove 16 is provided on the front surface of the controller 8, and the movable frame 17 moves along the movable groove 16, a protective groove 20 is provided inside the protective cover 21, and one side of the protective groove 20 is in an open form.

[0023] The movable frame 17 and the movable groove 16 are both L-shaped, which is convenient for limiting the movement of the protective cover 21 and preventing it from falling, thereby improving stability and directionality. The debugging handle 3 enters the protective groove 20, and the debugging handle 3 is protected by the protective cover 21, thereby improving safety, avoiding damage caused by force during use and installation and maintenance, and is not easily caused by force and misoperation, thereby improving protection. When the debugging handle 3 needs to be operated, it is only necessary to push the protective cover 21 toward the terminal 7, which is simple and convenient.

[0024] See also Figure 1 、 3 4. A fixing frame 18 is provided at the opening center of the protective groove 20, and the upper surface of the fixing frame 18 is fixed to the protective sleeve 21 by hot melt. An extrusion seat 19 is provided on one side surface of the protective sleeve 21, and the extrusion seat 19 is made of rubber material. A positioning seat 15 is provided on one side of the protective sleeve 21, and an extrusion groove 22 is provided on one side surface of the positioning seat 15, and the extrusion seat 19 is inserted into the extrusion groove 22. When the protective sleeve 21 protects the debugging handle 3, the extrusion seat 19 is inserted into the extrusion groove 22, and the protective sleeve 21 is fixed by the extrusion force to avoid sliding by itself. No locking structure is required, which makes it easy to quickly fix and open the protective sleeve 21 and improves convenience.

[0025] See also Figure 1 、 2 The two sides of the power module 2 are squeezed by the fixing plate 12, and the corners of the fixing plate 12 are fixed by threaded fasteners 13. The multiple power modules 2 are squeezed and fixed by the two fixing plates 12 externally connected to the threaded fasteners 13.

[0026] Working principle: When in use, multiple power modules 2 are placed according to needs, and the multiple power modules 2 are squeezed through two fixing plates 12, and the corners of the fixing plates 12 are fixed by threaded fasteners 13, so that multiple power modules 2 are fixed. The wiring operation is performed through the terminal 7, the load bus 1 and the common source bus 4, and the backup power bus 5 plays a backup role. When the debugging handle 3 is not in use, the protective cover 21 is pushed toward the debugging handle 3, and the movable frame 17 moves along the movable groove 16. The movable frame 17 and the movable groove 16 are both L-shaped, which is convenient for moving the protective cover 21. The limiting and anti-dropping effect improves stability and directionality, and the extrusion seat 19 is inserted into the extrusion groove 22, and the protective cover 21 is fixed by the extrusion force to avoid sliding by itself. No locking structure is required, which is convenient for quickly fixing and opening the protective cover 21, improving convenience. The debugging handle 3 enters the protective groove 20, and the debugging handle 3 is protected by the protective cover 21 to improve safety, avoid being easily damaged by force during use and installation and maintenance, and is not easily misoperated by force, thereby improving protection. When the debugging handle 3 needs to be operated, it is only necessary to push the protective cover 21 toward the terminal 7, which is simple and convenient.

[0027] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be encompassed within the present invention. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

Claims

1. An excitation type dual power contact pressing device, comprising a load bus (1) and a power module (2), characterized in that: A common source busbar (4) is provided at the upper end of the power module (2), a backup power busbar (5) is provided at the rear end of the common source busbar (4), a controller (8) is provided on one side of the power module (2), a debugging handle (3) is provided on one side of the controller (8), a mounting slot (9) is provided on the other side of the controller (8), a wiring terminal (7) is provided inside the mounting slot (9), and a protective component (14) is provided outside the debugging handle (3).

2. The excitation type dual power contact pressing device according to claim 1, characterized in that: The protective assembly (14) includes a protective sleeve (21), and the lower surfaces of both ends of the protective sleeve (21) are provided with a movable frame (17). The front surface of the controller (8) is provided with a movable groove (16), and the movable frame (17) moves along the movable groove (16).

3. The excitation type dual power contact pressing device according to claim 2, characterized in that: A protection groove (20) is provided inside the protection sleeve (21), and one side of the protection groove (20) is open.

4. The excitation type dual power contact pressing device according to claim 3, characterized in that: A fixing frame (18) is provided at the opening center of the protective groove (20), and the upper surface of the fixing frame (18) is fixed to the protective sleeve (21) by hot melt, and an extrusion seat (19) is provided on one side surface of the protective sleeve (21), and the extrusion seat (19) is made of rubber material, and a positioning seat (15) is provided on one side of the protective sleeve (21), and an extrusion groove (22) is provided on one side surface of the positioning seat (15), and the extrusion seat (19) is inserted into the extrusion groove (22).

5. The excitation type dual power contact pressing device according to claim 1, characterized in that: Both sides of the power module (2) are squeezed by a fixing plate (12), and the corners of the fixing plate (12) are fixed by threaded fasteners (13).

6. The excitation type dual power contact pressing device according to claim 1, characterized in that: A base (6) is provided at the rear end of the power module (2), and fastener holes for installation and fixing are provided at the corners of the base (6).

7. The excitation type dual power contact pressing device according to claim 6, characterized in that: A connection socket (10) is provided on the upper surface of the controller (8), and the controller (8) is fixed to the base (6) via fixing bolts (11).

Images