CN216979202U - Simulation wall for temperature rise test of low-voltage lighting distribution box - Google Patents

Abstract

The utility model discloses a simulation wall for a temperature rise test of a low-voltage lighting distribution box, which comprises a support base and a first fixed frame which are perpendicular to each other. Universal wheel; the front side of the fixed wall plate is provided with a second fixed frame whose bottom is fixed on the support base, an embedded structure is installed between the second fixed frame and the fixed wall plate, and the embedded structure includes different specifications suitable for different power distribution The upper moving wall panel, the lower moving wall panel, the left moving wall panel and the right moving wall panel of the box; the fixed wall panel, the upper moving wall panel, the lower moving wall panel, the left moving wall panel and the right moving wall panel are all made of specific heat close to the cement. fiber-reinforced calcium silicate board. The embedded area and embedded depth of the embedded structure are adjustable, which can effectively simulate the actual operating environment of low-voltage lighting distribution boxes of various specifications, improve the accuracy of the temperature rise test, reduce the workload of the test personnel, and improve the test efficiency.

Description

A simulation wall for temperature rise test of low-voltage lighting distribution box

technical field

The utility model relates to the technical field of electrical testing equipment, in particular to a simulation wall for a temperature rise test of a low-voltage lighting distribution box.

Background technique

The low-voltage lighting distribution box is a device responsible for the control, protection, conversion and distribution of electrical energy at the end of the low-voltage power supply system. The temperature rise test is an important type test of the low-voltage lighting distribution box.

The temperature rise test of the low-voltage lighting distribution box requires the simulation of the actual use environment of the distribution box as much as possible, so a simulation wall is required. Higher requirements, and at this stage, most laboratories cannot accurately simulate the actual use environment, and the embedded low-voltage lighting distribution box is also used for surface-mounted temperature rise tests, which does not effectively simulate the embedded installation environment, resulting in Test data are not accurate.

Utility model content

The purpose of the utility model is to provide a simulation wall for the temperature rise test of the low-voltage lighting distribution box, which overcomes the fact that the existing simulation wall is not suitable for the temperature rise test of the embedded-installed low-voltage lighting distribution box, and cannot accurately simulate the low-voltage lighting distribution box. Due to the shortcomings of the actual use environment, an adjustable embedded area and embedded depth are proposed. The specific heat capacity of the wall panel is close to that of cement. It is easy to install, disassemble, move and use. It can meet the temperature rise test of surface-mounted and embedded-mounted low-voltage lighting distribution boxes at the same time. multifunctional simulation wall.

To achieve the above purpose, the technical scheme adopted by the present utility model is:

A simulation wall for a temperature rise test of a low-voltage lighting distribution box, comprising a support base, a first fixed frame perpendicular to the support base is installed above the support base, a fixed wall plate is embedded in the first fixed frame, and a wall of the support base is installed. There are several universal wheels installed at the bottom.

Preferably, the fixed wallboard is prepared from a fiber-reinforced calcium silicate board with a specific heat capacity close to that of cement.

Preferably, the front side of the fixed wall panel is provided with a second fixed frame, the four corners of the second fixed frame are fixed on the first fixed frame by bolts, and an embedded structure is installed between the second fixed frame and the fixed wall panel, and the embedded structure is embedded The structure includes different specifications of upper moving wall panels, lower moving wall panels, left moving wall panels and right moving wall panels, upper moving wall panels, lower moving wall panels, left moving wall panels and right moving wall panels for different distribution boxes The back of the board is attached to the front of the fixed wall board; the upper moving wall board, the lower moving wall board, the left moving wall board and the right moving wall board are all fixed on the side wall of the second fixed frame by bolts, and the specific heat capacity is close to the cement. fiber-reinforced calcium silicate board.

Preferably, the upper moving wall panel and the lower moving wall panel are provided with several threading holes.

Preferably, the first fixed frame and the second fixed frame are welded by angle steel.

Preferably, the support base is welded from square steel.

Preferably, the universal wheel is provided with a locking mechanism.

Compared with the prior art, the beneficial effects of the present utility model are as follows:

The utility model provides a simulation wall for the temperature rise test of a low-voltage lighting distribution box that is suitable for both surface installation and embedded installation. The embedded structure composed of the mobile wall panel, the left mobile wall panel and the right mobile wall panel, the embedded area and depth of the embedded structure can be adjusted, which can effectively simulate the actual operating environment of low-voltage lighting distribution boxes of various specifications, and improve the temperature rise test. Accuracy, reduce the workload of the test personnel, and improve the test efficiency.

The upper moving wall panel and the lower moving wall panel are provided with several threaded holes for connecting the test incoming and outgoing wires to simulate the incoming and outgoing mode of the low-voltage lighting distribution box in actual use.

The utility model overcomes the shortcomings that the existing simulation wall is not suitable for the temperature rise test of the embedded installation low-voltage lighting distribution box and cannot accurately simulate the actual use environment of the low-voltage lighting distribution box.

The utility model has the advantages of convenient assembly, simple structure and convenient transportation.

Description of drawings

1 is a schematic structural diagram of the present utility model when used as a surface installation of a distribution box;

2 is a schematic structural diagram of the present utility model when used as a power distribution box for embedded installation;

Fig. 3 is the structural representation of the support base and the first fixed frame in Fig. 1;

Fig. 4 is the structural representation of the fixed wall panel in Fig. 1;

Fig. 5 is the structural representation of the second fixed frame in Fig. 2;

In the picture: 1. Universal wheel, 2. Support base, 3. First fixed frame, 4. Fixed wall panel, 5. Second fixed frame, 6. Upward moving wallboard, 7. Downward moving wallboard, 8. Move the wall panel left, 9, move the wall panel right, 10, embed the structure.

Detailed ways

The present utility model will be described in further detail below in conjunction with the accompanying drawings.

Example 1 Use as a simulation wall for the temperature rise test of the low-voltage lighting distribution box when the distribution box is installed on the surface

As shown in FIG. 1, a simulation wall for temperature rise test of low-voltage lighting distribution box includes a support base 2, and a first fixed frame 3 perpendicular to the support base 2 is installed above the support base 2. The first fixed frame 3 A fixed wall plate 4 is embedded inside, and several universal wheels 1 are installed at the bottom of the support base 2 .

When the operator conducts the temperature rise test, the low-voltage lighting distribution box can be directly bolted to the fixed wallboard.

Example 2 Use as a simulation wall for the temperature rise test of the low-voltage lighting distribution box when the distribution box is embedded in the installation

As shown in FIG. 2, a simulation wall for temperature rise test of low-voltage lighting distribution box includes a support base 2, and a first fixed frame 3 perpendicular to the support base 2 is installed above the support base 2. The first fixed frame 3 A fixed wall plate 4 is embedded inside, and several universal wheels 1 are installed at the bottom of the support base 2 . The front side of the fixed wall plate 4 is provided with a second fixed frame 5, the bottom of the second fixed frame 5 is fixed on the support base 2 by bolts, and an embedded structure 10 is installed between the second fixed frame 5 and the fixed wall plate 4, and is embedded The structure 10 includes an upper moving wall panel 6, a lower moving wall panel 7, a left moving wall panel 8 and a right moving wall panel 9 of different specifications suitable for different distribution boxes; Both the moving wall panel 8 and the right moving wall panel 9 are fixed on the side wall of the second fixed frame by bolts, and are prepared from fiber-reinforced calcium silicate boards with a specific heat capacity close to that of cement. The upper moving wall panel 6 and the lower moving wall panel 7 are provided with a plurality of threading holes.

Before the temperature rise test, the operator selects the appropriate upper moving wall panel 6, lower moving wall panel 7, left moving wall panel 8 and right moving wall panel 9 to assemble according to the requirements of the structure and embedded depth of the low-voltage lighting distribution box. Into the embedded structure 10, the backs of the upper moving wall panel 6, the lower moving wall panel 7, the left moving wall panel 8 and the right moving wall panel 9 are attached to the front of the fixed wall panel 4, and the low-voltage lighting distribution box can be installed. Between the embedded structure and the fixed wall panel, the temperature rise test is carried out.

In the above embodiment, the fixed wall panel 4, the upper moving wall panel 6, the lower moving wall panel 7, the left moving wall panel 8 and the right moving wall panel 9 are all prepared from fiber-reinforced calcium silicate boards with a specific heat capacity close to that of cement. The first fixed frame 3 and the second fixed frame 5 are welded by angle steel. The support base 2 is welded by square steel. The universal wheel 1 is provided with a locking mechanism.

The utility model proposes that the simulation wall is suitable for both surface-mounted and embedded-mounted, and the upper-moving wall panel, the lower-moving wall panel, the left-moving wall panel and the right-moving wall panel are installed between the second fixed frame and the fixed wall panel. The embedded structure formed by the board has adjustable embedded area and embedded depth, which can effectively simulate the actual operating environment of low-voltage lighting distribution boxes of various specifications, improve the accuracy of temperature rise test, reduce the workload of test personnel, and improve test efficiency.

The above are only preferred examples of the present invention. It should be pointed out that for those of ordinary skill in the art, under the technical inspiration provided by the present utility model, as common knowledge in the mechanical field, other equivalent modifications and improvements can also be made, which should also be regarded as the protection scope of the present utility model. .

Claims (7)

1. The utility model provides a low pressure lighting distribution box temperature rise is experimental with simulation wall which characterized in that: including supporting base (2), the top of supporting base (2) is installed and is supported base (2) looks vertically first fixed frame (3), and fixed wallboard (4) are equipped with in first fixed frame (3) embedding, and several universal wheel (1) are installed to the bottom of supporting base (2).

2. The simulation wall for the temperature rise test of the low-voltage lighting distribution box, according to claim 1, is characterized in that: the fixed wallboard (4) is prepared from a fiber reinforced calcium silicate board with the specific heat capacity close to that of cement.

3. The simulation wall for the temperature rise test of the low-voltage lighting distribution box, according to claim 1 or 2, is characterized in that: the front side of the fixed wallboard (4) is provided with a second fixed frame (5), four corners of the second fixed frame (5) are fixed on the first fixed frame (3) through bolts, an embedding structure (10) is installed between the second fixed frame (5) and the fixed wallboard (4), the embedding structure (10) comprises an upper movable wallboard (6), a lower movable wallboard (7), a left movable wallboard (8) and a right movable wallboard (9) which are different in specification and suitable for different distribution boxes, and the back surfaces of the upper movable wallboard (6), the lower movable wallboard (7), the left movable wallboard (8) and the right movable wallboard (9) are attached to the front surface of the fixed wallboard (4); the upper movable wallboard (6), the lower movable wallboard (7), the left movable wallboard (8) and the right movable wallboard (9) are fixed on the side wall of the second fixed frame through bolts and are prepared from fiber reinforced calcium silicate boards with specific heat capacity close to cement.

4. The simulation wall for the temperature rise test of the low-voltage lighting distribution box, according to claim 3, is characterized in that: a plurality of threading holes are arranged on the upper movable wallboard (6) and the lower movable wallboard (7).

5. The simulation wall for the temperature rise test of the low-voltage lighting distribution box, according to claim 4, is characterized in that: the first fixed frame (3) and the second fixed frame (5) are formed by welding angle steel.

6. The simulation wall for the temperature rise test of the low-voltage lighting distribution box, according to claim 5, is characterized in that: the supporting base (2) is formed by welding square steel.

7. The simulation wall for the temperature rise test of the low-voltage lighting distribution box, according to claim 6, is characterized in that: the universal wheel (1) is provided with a locking mechanism.

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