Standby power supply automatic switching device

Abstract

The utility model discloses an automatic switching device for a standby power supply, which comprises a low-voltage spare power automatic switching device, an insulating tube and a U-shaped elastic sheet, a fixed frame is sleeved on the low-voltage spare power automatic switching device, a presser is arranged on the fixed frame and presses the low-voltage spare power automatic switching device, the insulating tube is fixedly connected with the low-voltage spare power automatic switching device, a pressing handle is rotatably arranged in the insulating tube, and the U-shaped elastic sheet is arranged on the U-shaped elastic sheet. The pressing handle is provided with a pressing block, the U-shaped elastic piece is installed in the insulating tube, the U-shaped elastic piece is electrically connected with the low-voltage spare power automatic switching device, the U-shaped elastic piece is provided with two clamping heads, the clamping heads are arranged in a J shape, the pressing handle rotates to enable the pressing block to press the U-shaped elastic piece, and the U-shaped elastic piece drives the clamping heads to clamp an electric wire; the pressing handle rotates to drive the pressing block not to press the U-shaped elastic piece any more, the electric wire is inserted between the two chucks, the pressing handle is rotated to enable the pressing block to press the U-shaped elastic piece, the U-shaped elastic piece drives the chucks to clamp the electric wire, tool-free connection of the electric wire and the low-voltage spare power automatic switching device is achieved, wiring is stable, operation steps are simplified, and connection efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of power system automation technology, concretely is a kind of automatic switching device of backup power supply. BACKGROUND

[0002] The core function of the backup power supply automatic switching device is to start the backup power supply quickly and automatically when the main power supply fails, to ensure the continuous and stable operation of the power system. In the related art, the backup power supply automatic switching device commonly used in wiring still adopts the screw compression method to realize the connection of the wire and the backup power supply automatic switching device. Since the backup power supply automatic switching device has a large number of wiring ports, different backup power supply automatic switching devices have about 10 to 30 wiring ports, the screw and wire connection method using a screwdriver to tighten the screw is low in efficiency when installing the backup power supply automatic switching device, and it is not convenient for the staff to frequently operate the screwdriver. UTILITY MODEL CONTENTS

[0003] The utility model aims at providing a kind of automatic switching device of backup power supply to solve the problems raised in the above background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: an automatic switching device of backup power supply, comprising a low-voltage backup power supply automatic switching device, a fixed frame is sleeved on the low-voltage backup power supply automatic switching device, a compression device is installed on the fixed frame, the compression device presses the low-voltage backup power supply automatic switching device, and the low-voltage backup power supply automatic switching device will not loosen after installation, preventing the low-voltage backup power supply automatic switching device from falling accidentally.

[0005] An insulating tube is fixedly connected with the low-voltage backup power supply automatic switching device, a compression handle is rotatably installed inside the insulating tube, the compression handle is provided with a compression block, and the leakage problem can be prevented during wiring operation.

[0006] A U-shaped elastic sheet is installed inside the insulating tube, the U-shaped elastic sheet is electrically connected with the low-voltage backup power supply automatic switching device, the U-shaped elastic sheet is provided with two clamping heads, the clamping heads are arranged in J shape, the compression handle is rotated to press the U-shaped elastic sheet with the compression block, the U-shaped elastic sheet drives the clamping heads to clamp the wire, the wire can be quickly installed without tightening the screw, the operation is simple, and the wiring speed is fast.

[0007] Further, the compression device comprises a threaded cylinder, a spring and a compression rod installed inside the threaded cylinder, the threaded cylinder is screwed with the fixed frame, the spring pushes the compression rod against the low-voltage backup power supply automatic switching device, a limiting cap is screwed inside the threaded cylinder, the limiting cap covers the compression rod, the threaded cylinder can increase the compression force of the compression rod on the low-voltage backup power supply automatic switching device by being tightened, and the low-voltage backup power supply automatic switching device is installed stably.

[0008] Further, an electric connection strip is fixedly connected to the side surface of the U-shaped elastic sheet, the electric connection strip is connected with the low-voltage backup power supply automatic switching device, so as to facilitate the stable power supply of the low-voltage backup power supply automatic switching device and the U-shaped elastic sheet.

[0009] Compared with the prior art, the utility model has the beneficial effects that:

[0010] (1) the compression handle rotation drives the pressing block no longer presses the U-shaped elastic sheet, inserts the electric wire between the two clamps, rotates the compression handle to make the pressing block compresses the U-shaped elastic sheet, the U-shaped elastic sheet drives the clamp to clamp the electric wire, realizes the tool-free connection of the electric wire and low voltage spare self-throwing, not only stable wiring, but also simplifies the operation steps, improves the connection efficiency.

[0011] (2) the fixed frame is connected to the specified position through the fixed foot, the threaded cylinder is screwed to compress the spring, the elastic force of the spring pushes the pressure rod to press the low voltage spare self-throwing, improves the stability of the low voltage spare self-throwing and the fixed frame connection, prevents the low voltage spare self-throwing from loosening, and the low voltage spare self-throwing is convenient to install, and the low voltage spare self-throwing is also convenient when overhauling. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is the front view of the utility model;

[0013] Figure 2 It is the side view of the utility model;

[0014] Figure 3 It is the schematic view of the threaded cylinder and the fixed frame connection of the utility model;

[0015] Figure 4 It is the structure schematic view of the threaded cylinder inside the utility model;

[0016] Figure 5 It is the state view of the compression handle rotation of the utility model.

[0017] In the drawing: 1, low voltage spare self-throwing; 2, fixed foot; 3, threaded cylinder; 4, fixed frame; 5, insulating tube; 6, compression handle; 7, pressure rod; 8, limit cap; 9, spring; 10, pressing block; 11, connecting column; 12, U-shaped elastic sheet; 13, power strip; 14, clamp. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0019] Embodiment:

[0020] Please refer to Figures 1-5The utility model provides a technical scheme: a kind of standby power automatic switching device, including low voltage backup 1, low voltage backup 1 is sleeved with fixed frame 4 on it, fixed frame 4 is installed with presser, presser presses low voltage backup 1, low voltage backup 1 is slidably connected with fixed frame 4, when needing to overhaul low voltage backup 1, it can be extracted, convenient to check;

[0021] Insulating tube 5, insulating tube 5 is fixedly connected with low voltage backup 1, and press-in handle 6 is rotatably installed in insulating tube 5, and press-in handle 6 is provided with pressing block 10, and pressing block 10 is integrally formed with press-in handle 6;

[0022] U-shaped elastic sheet 12 is installed in insulating tube 5, and U-shaped elastic sheet 12 is electrically connected with low voltage backup 1, and U-shaped elastic sheet 12 is provided with two collets 14, and collet 14 is arranged in J shape, so that collet 14 has a certain elastic deformation space, and the collet 14 is convenient to clamp the wire, press-in handle 6 is rotated to press pressing block 10 to press-in handle 6, and U-shaped elastic sheet 12 drives collet 14 to clamp the wire, compared with the traditional use of screw compression wire, the scheme does not need to use screw, and screwdriver is not repeatedly screwed, and the wiring efficiency is high.

[0023] In the embodiment, as shown in Figure 2 And Figure 3 Fixed foot 2 is arranged on the side of fixed frame 4, and fixed foot 2 is provided with a circular hole, and fixed foot 2 can be installed to the specified position by using screw and nut, and low voltage backup 1 is inserted into fixed frame 4 to realize rapid installation.

[0024] In the embodiment, as shown in Figure 4 Presser includes threaded cylinder 3, spring 9 and pressure rod 7 installed in threaded cylinder 3, threaded cylinder 3 is screwed with fixed frame 4, spring 9 pushes pressure rod 7 to press low voltage backup 1, when threaded cylinder 3 is screwed, threaded cylinder 3 moves downward to compress spring 9, and spring 9 pushes pressure rod 7 to cooperate with fixed frame 4 to realize the clamping installation of low voltage backup 1.

[0025] In the embodiment, as shown in Figure 4 Limiting cap 8 is screwed in threaded cylinder 3, limiting cap 8 covers pressure rod 7, limiting cap 8 can prevent pressure rod 7 from separating from threaded cylinder 3, and further prevent spring 9 from falling off, when low voltage backup 1 is removed, pressure rod 7 is prevented from being lost.

[0026] In the embodiment, as shown in Figure 5 Electricity connection strip 13 is fixedly connected on the side of U-shaped elastic sheet 12, electricity connection strip 13 is connected with low voltage backup 1, and electricity connection strip 13 is inserted into low voltage backup 1, so as to be connected with low voltage backup 1.

[0027] In the embodiment, as shown in Figure 5As shown, the insulation pipe 5 is internally provided with a connecting column 11, and the pressing handle 6 is sleeved on the connecting column 11, so that the connecting column 11 is stably connected with the insulation pipe 5 in rotation.

[0028] Specifically, in use, the fixing frame 4 is installed to a specified position by the fixing feet 2 through screws and nuts, the low-voltage backup power automatic throw-in 1 is inserted into the fixing frame 4, the spring 9 pushes the pressing rod 7 to clamp the low-voltage backup power automatic throw-in 1 in the fixing frame 4, and the plug-in connection of the low-voltage backup power automatic throw-in 1 and the fixing frame 4 is realized.

[0029] When the electric wire is connected with the low-voltage backup power automatic throw-in 1, the pressing handle 6 is upwardly rotated, as shown, Figure 5 the pressing handle 6 drives the pressing block 10 to rotate and no longer abuts against the U-shaped spring 12, the U-shaped spring 12 drives the clamping head 14 to open, the electric wire after stripping is inserted between the two clamping heads 14, the pressing handle 6 is downwardly pressed to make the pressing block 10 press the U-shaped spring 12, the U-shaped spring 12 drives the clamping head 14 to clamp the electric wire, the clamping head 14 is J-shaped, so that the clamping head 14 can be elastically deformed, the stable clamping of the clamping head 14 on the electric wire is ensured, and the electric wire is quickly connected with the low-voltage backup power automatic throw-in 1.

[0030] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. An automatic backup power supply switching device, characterized in that, Include: Low voltage spare power automatic throw-in (1), the low voltage spare power automatic throw-in (1) on the sleeve fixed frame (4), the fixed frame (4) is installed with the presser, the presser presses the low voltage spare power automatic throw-in (1); Insulating tube (5), the insulating tube (5) is fixedly connected with low voltage spare power automatic throw-in (1), the insulating tube (5) is rotatably installed with the press handle (6), the press handle (6) is provided with the pressing block (10); U-shaped elastic sheet (12), the U-shaped elastic sheet (12) is installed to the inside of insulating tube (5), the U-shaped elastic sheet (12) is electrically connected with low voltage spare power automatic throw-in (1), the U-shaped elastic sheet (12) is provided with two chuck (14), chuck (14) is J-shaped setting, the press handle (6) is rotated to make the pressing block (10) press the U-shaped elastic sheet (12), the U-shaped elastic sheet (12) drives chuck (14) and clamps the wire.

2. The automatic switchover device according to claim 1, characterized in that: The fixed frame (4) side is provided with fixed foot (2), and the fixed foot (2) is provided with round hole.

3. The automatic switchover device according to claim 1, characterized in that: The presser includes threaded cylinder (3) and spring (9) and press bar (7) installed to the inside of threaded cylinder (3), the threaded cylinder (3) is screwed with fixed frame (4), spring (9) pushes press bar (7) and presses low voltage spare power automatic throw-in (1).

4. The automatic switchover apparatus according to claim 3, wherein: The threaded cylinder (3) is screwed with limit cap (8) inside, the limit cap (8) covers press bar (7).

5. The automatic switchover apparatus according to claim 1, wherein: The U-shaped elastic sheet (12) side is fixedly connected with the electricity connection strip (13), and the electricity connection strip (13) is connected with low voltage spare power automatic throw-in (1).

6. The automatic switchover apparatus according to claim 1, wherein: The insulating tube (5) is provided with connecting column (11) inside, the press handle (6) is covered on connecting column (11).

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