Circuit automatic switching device of power distribution cabinet

Abstract

The utility model discloses an automatic circuit switching device of a power distribution cabinet, which belongs to the technical field of power distribution cabinet accessories and comprises a host, a main power supply terminal and a standby power supply terminal are respectively arranged on two sides of the upper end of the host, and an output power supply terminal is arranged in the middle of the lower end of the host. A switching knob is rotatably mounted in the middle of one side of the host, a fixed box is fixedly mounted on one side of the host, a movable frame of a U-shaped structure is slidably clamped in the fixed box, and the upper end of the switching knob is located in the movable frame. Rotation of the servo motor is remotely controlled, so that the movable frame moves in the fixed box, the rotary knob can be conveniently screwed by the movable frame, a host does not need to be manually touched, remote operation is facilitated, the safety performance is high, and use is convenient.

Description

Technical Field

[0001] The utility model relates to an automatic circuit switching device for a power distribution cabinet, belonging to the technical field of power distribution cabinet accessories. Background Art

[0002] The automatic circuit switching device in the power distribution cabinet generally refers to a dual power switch, which is a switch that automatically switches to another power source when one power source fails for some reason. Generally, dual power switches are widely used in high-rise buildings, residential areas, hospitals, airports, docks, fire protection, metallurgy, chemical industry, textiles and other important places where power outages are not allowed. They are powered by dual power circuits. When one of them fails, it can switch to the backup power source and is widely used.

[0003] As disclosed in the publication number: CN203104096U, an electrical switch device, in particular, a dual power switching switch. The backup power circuit breaker and the common power circuit breaker are arranged in the housing, the double-throw switch is arranged on the housing, the mounting plate is fixed to the side of the housing, and also includes a fire monitoring device, the fire monitoring device includes a detection unit, an alarm unit, a central processing unit, a communication unit, and a memory, and the detection unit, the alarm unit, the communication unit, and the memory are respectively connected to the central processing unit. The above structure sets a fire monitoring device on the traditional dual power switching switch, and uses a temperature sensor to sense abnormal temperature. Once the temperature is abnormal, the temperature sensor converts the temperature signal into an electrical signal and transmits it to the central processing unit. The central processing unit alarms through a sound alarm and communicates with a remote computer through a communication unit. Multiple points can be remotely monitored, which greatly improves safety.

[0004] However, when it is in use, the degree of automation is low. Although some automatic switching circuit switching devices are now used, in actual operation, it is also necessary to retain the manual rotation switching knob for manual operation. However, when it is in use, it is not convenient to remotely control the rotation of the knob, which is inconvenient to use. Utility Model Content

[0005] The purpose of the utility model is to provide an automatic circuit switching device for a distribution cabinet in order to solve the above-mentioned problem, which can be easily switched between automatic and manual, and in the manual state, it is convenient to remotely rotate the knob, which is convenient for control and operation, and does not require human contact with the components in the circuit, and has high safety performance.

[0006] The utility model achieves the above-mentioned purpose through the following technical scheme: an automatic circuit switching device for a power distribution cabinet, comprising a host, wherein both sides of the upper end of the host are respectively provided with a main power terminal and a backup power terminal, and an output power terminal is provided in the middle position of the lower end of the host, a switching knob is rotatably installed in the middle position of one side of the host, and a fixing box is fixedly installed on one side of the host, a movable frame with a U-shaped structure is slidably connected inside the fixing box, and the upper end of the switching knob is located inside the movable frame. When in use, the host adopts a host with automatic circuit switching, and the main power supply and the backup power supply are respectively connected to the main power terminal and the backup power terminal. The backup power supply terminal connects the output line to the output power supply terminal, and the host is used to switch between the main power supply and the backup power supply. In the automatic switching state, the movable frame is adjusted to the middle position of the fixed box to avoid the movable frame from affecting the rotation of the switching knob. When the switching knob needs to be rotated manually, the movable frame is controlled to move left and right inside the fixed box, so that the switching knob is turned on the inner side of the movable frame, so that the switching knob rotates, which is convenient for remote control of the rotation of the switching knob, without manual contact with the host, easy to use, and high safety performance.

[0007] Preferably, in order to facilitate the installation of the present invention, a hanging groove is opened on the rear side of the main unit, and an indicator light is fixedly installed on the front end of the main unit under the main power terminal and the backup power terminal. Through the hanging groove, the present invention can be easily installed in an external power distribution cabinet, and through the indicator light, the power line in use can be intuitively displayed.

[0008] Preferably, in order to facilitate the installation of the fixing box, threaded holes are evenly opened on the upper end of one side of the main unit, and the fixing box is fixedly installed on the threaded holes. An indicator mark is opened on one side of the main unit at the lower side of the switching knob, and the threaded hole facilitates the installation of the fixing box, and the indicator mark facilitates the determination of the power circuit to be used by judging the direction of the lower end of the switching knob.

[0009] Preferably, in order to facilitate the installation of the fixing box on the host, fixing ears are fixedly installed on both sides of the outside of the fixing box, and the fixing box is connected to the threaded holes on the host through the fixing ears, so that the fixing box can be easily installed and fixed through the fixing ears.

[0010] Preferably, in order to facilitate the left and right movement of the movable frame, a lead screw is installed with a transverse rotation inside the fixed box, and a connecting block is fixedly installed on the upper end of the movable frame, and a threaded through hole is opened on the upper end of the connecting block, and the connecting block is threadedly connected to the lead screw through the threaded through hole. Through the rotation of the lead screw, the connecting block drives the movable frame to move on the lead screw through the threaded through hole, thereby facilitating the movable frame to toggle the switching knob for switching.

[0011] Preferably, in order to facilitate the control of the movable frame, a battery is clamped on one side of the fixed box, and a remote controller is fixedly installed on the upper end of the fixed box, and a servo motor is fixedly installed on one side of the fixed box. The battery supplies power to the servo motor through the remote controller, and the output end of the servo motor is fixedly connected to the screw. Through the remote controller, it is convenient to remotely control the opening and closing and forward and reverse rotation of the servo motor, and then to remotely control the rotation direction of the switching knob. It is easy to operate, no personnel need to contact the main machine part, high safety performance, and easy to use.

[0012] Preferably, in order to facilitate the installation and replacement of the battery, clamping claws are fixedly installed on both ends of one side of the fixing box, and the battery is clamped between the clamping claws. Through the clamping claws, the battery can be easily disassembled, replaced, and used.

[0013] Preferably, in order to improve the stability of the movable frame during movement, a T-shaped slide groove is opened on one side of the interior of the fixed box, and a slider is fixedly installed on one side of the connecting block, and the slider is slidably engaged in the interior of the slide groove. Through the slider and the slide groove, when the movable frame moves, the stability during the movement is improved.

[0014] The beneficial effects of the utility model are as follows: when in use, the circuit can be automatically switched through the host, and when the circuit is manually switched, the rotation of the servo motor is remotely controlled to move the movable frame inside the fixed box, so that the movable frame can turn the knob without human contact with the host, which is convenient for remote operation, has high safety performance, and is easy to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0016] Figure 2 It is a structural schematic diagram of the main unit position in the utility model.

[0017] Figure 3 It is a structural schematic diagram of the position of the movable frame in the utility model.

[0018] Figure 4 It is a structural schematic diagram of the position of the fixing box in the utility model.

[0019] Figure 5 It is a structural schematic diagram of the movable frame in the utility model.

[0020] In the figure: 1. host; 2. main power terminal; 3. standby power terminal; 4. output power terminal; 5. switching knob; 6. fixing box; 7. movable frame; 8. hanging slot; 9. indicator light; 10. threaded hole; 11. indicator mark; 12. fixing ear; 13. lead screw; 14. connecting block; 15. threaded through hole; 16. battery; 17. remote controller; 18. servo motor; 19. clamping claw; 20. slide slot; 21. slider. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-5 As shown, an automatic circuit switching device for a power distribution cabinet comprises a host 1, a main power terminal 2 and a backup power terminal 3 are respectively provided on both sides of the upper end of the host 1, and an output power terminal 4 is provided in the middle position of the lower end of the host 1, a switching knob 5 is rotatably installed in the middle position of one side of the host 1, and a fixing box 6 is fixedly installed on one side of the host 1, and a U-shaped movable frame 7 is slidably engaged with the interior of the fixing box 6, and the upper end of the switching knob 5 is located inside the movable frame 7. When in use, the host 1 adopts a circuit automatic switching host, and the main power supply and the backup power supply are respectively connected to the main power terminal 2 and the backup power supply. The power terminal 3 connects the output line with the output power terminal 4, and switches between the main power supply and the backup power supply through the host. In the automatic switching state, the movable frame 7 is adjusted to the middle position of the fixed box 6, so as to avoid the movable frame 7 from affecting the rotation of the switching knob 5. When the switching knob 5 needs to be rotated manually, the movable frame 7 is controlled to move left and right inside the fixed box 6, so that the inner side of the movable frame 7 is convenient to turn the switching knob 5, so that the switching knob 5 rotates, which is convenient for remote control of the rotation of the switching knob 5, without manual contact with the host, easy to use, and high safety performance.

[0023] As a technical optimization solution of the utility model, Figure 1 and Figure 2As shown, a hanging groove 8 is provided on the rear side of the main unit 1, and an indicator light 9 is fixedly installed on the lower sides of the main power terminal 2 and the backup power terminal 3 at the front end of the main unit 1. Through the hanging groove 8, it is convenient to install the utility model in an external power distribution cabinet, and through the indicator light 9, it is convenient to intuitively display the power line in use. Threaded holes 10 are evenly provided on the upper end of one side of the main unit 1, and the fixing box 6 is fixedly installed on the threaded holes 10. An indicator mark 11 is provided on the lower side of the switching knob 5 on one side of the main unit 1. Through the threaded hole 10, it is convenient to install the fixing box 6, and through the indicator mark 11, by judging the direction of the lower end of the switching knob 5, it is convenient to judge the power line in use.

[0024] As a technical optimization solution of the utility model, Figures 3 to 5 As shown, fixing ears 12 are fixedly installed on both sides of the outside of the fixing box 6, and the fixing box 6 is connected to the threaded holes 10 on the main machine 1 through the fixing ears 12. The fixing ears 12 facilitate the installation and fixing of the fixing box 6. A lead screw 13 is installed inside the fixing box 6 for horizontal rotation, and a connecting block 14 is fixedly installed on the upper end of the movable frame 7. A threaded through hole 15 is provided on the upper end of the connecting block 14. The connecting block 14 is threadedly connected to the lead screw 13 through the threaded through hole 15. Through the rotation of the lead screw 13, the connecting block 14 drives the movable frame 7 to move on the lead screw 13 through the threaded through hole 15, so that the movable frame 7 can toggle the switching knob 5 for switching. A battery 16 is clamped on one side of the fixing box 6, and a remote controller 17 is fixedly installed on the upper end of the fixing box 6. A servo motor 18 is fixedly installed on one side of the fixing box 6. The battery 16 is remotely The remote controller 17 supplies power to the servo motor 18, and the output end of the servo motor 18 is fixedly connected to the lead screw 13. Through the remote controller 17, it is convenient to remotely control the opening and closing and forward and reverse rotation of the servo motor 18, and then to remotely control the rotation direction of the switching knob 5, which is easy to operate and does not require personnel to contact the main unit 1. It has high safety performance and is easy to use. Both ends of one side of the fixed box 6 are fixedly installed with clamping claws 19, and the battery 16 is clamped between the clamping claws 19. Through the clamping claws 19, it is convenient to disassemble the battery 16, and it is convenient to replace the battery 16, which is easy to use. A T-shaped slide groove 20 is provided on one side of the interior of the fixed box 6, and a slider 21 is fixedly installed on one side of the connecting block 14. The slider 21 is slidably clamped in the interior of the slide groove 20. Through the slider 21 and the slide groove 20, when the movable frame 7 moves, the stability during the movement is improved.

[0025] It is obvious 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 features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

[0026] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A circuit automatic switching device for a power distribution cabinet, characterized in that: The invention comprises a main unit (1), wherein main power terminals (2) and backup power terminals (3) are respectively provided on both sides of the upper end of the main unit (1), and an output power terminal (4) is provided in the middle of the lower end of the main unit (1), a switching knob (5) is rotatably mounted in the middle of one side of the main unit (1), and a fixing box (6) is fixedly mounted on one side of the main unit (1), a movable frame (7) of a U-shaped structure is slidably engaged inside the fixing box (6), and the upper end of the switching knob (5) is located inside the movable frame (7).

2. The automatic circuit switching device of a power distribution cabinet according to claim 1, characterized in that: The rear side of the host (1) is provided with a hanging slot (8), and the front end of the host (1) is located below the main power terminal (2) and the backup power terminal (3) and is fixedly provided with an indicator light (9).

3. The automatic circuit switching device of a power distribution cabinet according to claim 1, characterized in that: The upper end of one side of the main machine (1) is evenly provided with threaded holes (10), and the fixing box (6) is fixedly mounted on the threaded holes (10). An indication mark (11) is provided on one side of the main machine (1) below the switching knob (5).

4. The automatic circuit switching device of a power distribution cabinet according to claim 3, characterized in that: Fixing ears (12) are fixedly mounted on both sides of the exterior of the fixing box (6), and the fixing box (6) is connected to the threaded hole (10) on the main machine (1) via the fixing ears (12).

5. The automatic circuit switching device of a power distribution cabinet according to claim 1, characterized in that: A lead screw (13) is installed inside the fixed box (6) for transverse rotation, and a connecting block (14) is fixedly installed on the upper end of the movable frame (7). A threaded through hole (15) is provided on the upper end of the connecting block (14), and the connecting block (14) is threadedly connected to the lead screw (13) through the threaded through hole (15).

6. The automatic circuit switching device of a power distribution cabinet according to claim 5, characterized in that: A storage battery (16) is clamped on one side of the fixed box (6), and a remote controller (17) is fixedly mounted on the upper end of the fixed box (6). A servo motor (18) is fixedly mounted on one side of the fixed box (6). The storage battery (16) supplies power to the servo motor (18) through the remote controller (17), and an output end of the servo motor (18) is fixedly connected to the lead screw (13).

7. The automatic circuit switching device of a power distribution cabinet according to claim 6, characterized in that: Both ends of one side of the fixing box (6) are fixedly mounted with clamping claws (19), and the storage battery (16) is clamped between the clamping claws (19).

8. The automatic circuit switching device of a power distribution cabinet according to claim 5, characterized in that: A T-shaped slide groove (20) is provided on one side of the interior of the fixing box (6), and a slider (21) is fixedly mounted on one side of the connecting block (14), and the slider (21) is slidably engaged in the interior of the slide groove (20).

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