A power distribution cabinet suitable for high altitude areas

Abstract

The application relates to the field of power distribution cabinets, in particular to a power distribution cabinet suitable for high-altitude areas, which comprises a cabinet body and a mounting assembly; a support plate a is arranged on the inner wall of the rear side of the cabinet body; a plurality of groups of support plates b are arranged on the support plate a in parallel and equidistantly; two groups of fixing blocks are slidingly arranged at the two ends of the front side of the support plate a; a horizontal rod is transversely arranged between the two groups of fixing blocks; a plurality of sleeves are slidingly sleeved on the horizontal rod; a connecting rod a is rotationally connected with the top of the sleeve and rotationally connected with the bottom of the support plate b; a connecting rod b is rotationally connected with the top of the sleeve and rotationally connected with the bottom of the next group of support plates b; the mounting assembly is arranged in parallel on the inner wall of the rear side of the cabinet body in two groups. The power distribution cabinet can quickly complete the gap adjustment between the support plates b according to the calculated minimum electrical gap, time and labor are saved, the power distribution cabinet is convenient to use, and the consistency of the gap is high.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of distribution box, in particular to a distribution box suitable for high altitude area. BACKGROUND

[0002] In high altitude area, the air pressure is lower than that in other areas, resulting in the decrease of air pressure strength, in order to not affect each other between the components in the distribution box, the electrical gap needs to be increased accordingly, the general electrical gap is 125mm, according to the design requirements, the electrical gap needs to be increased by 10% for every 1000 meters of altitude increase, and in actual installation of the electrical components in the distribution box, the installation is usually based on the experience of the installer, which has certain safety hazards, or the steel ruler is used to measure and install one by one, which is time-consuming and laborious, and the installation gap of each electrical component is large or small, and the consistency of the gap is poor. SUMMARY

[0003] The present application aims at the problems in the background art, and provides a distribution box suitable for high altitude area, which can adjust the installation gap between the electrical components.

[0004] In one aspect, the present application provides a distribution box suitable for high altitude area, which comprises a cabinet body and an installation assembly; the installation assembly comprises a support plate a, a support plate b, a fixed block, a horizontal rod, a sleeve, a connecting rod a and a connecting rod b;

[0005] The cabinet body is provided with a cabinet door on the front side, and a handle a is arranged on the cabinet door; the support plate a is transversely arranged on the inner wall of the rear side of the cabinet body; a plurality of groups of support plate b are arranged side by side at equal intervals, the leftmost group of support plate b is fixedly connected with the support plate a, and the other support plate b is transversely slidably arranged on the support plate b; two groups of fixed blocks are vertically slidably arranged at the two ends of the front side of the support plate a, and the fixed blocks are located above the support plate b; a lifting assembly for driving the fixed blocks to move up and down is arranged on the support plate a; the horizontal rod is transversely arranged between the two groups of fixed blocks; the sleeve is slidably sleeved on the horizontal rod, and a plurality of groups of sleeves are arranged side by side at equal intervals, each group of sleeves is located at the middle position above the adjacent two groups of support plate b; the top of the connecting rod a is rotatably connected with the sleeve, the bottom of the connecting rod a is rotatably connected with the support plate b, and a plurality of groups of connecting rods a are arranged; the top of the connecting rod b is rotatably connected with the sleeve, the bottom of the connecting rod b is rotatably connected with the next group of support plate b, and the rotation directions of the connecting rod b and the connecting rod a are clockwise or counterclockwise; the installation assembly is arranged side by side on the inner wall of the rear side of the cabinet body, the upper group of support plate a is vertically slidably arranged on the inner wall of the cabinet body, and a limiting assembly for limiting the position of the upper group of support plate a is arranged in the cabinet body.

[0006] Preferably, the lifting assembly comprises a fixed plate, bolts and a handle b; the fixed plate is arranged on the front side of the support plate a, and four groups of fixed plates are arranged, with each two groups being arranged on the upper and lower sides of the fixed block respectively; the support plate a is vertically provided with threaded holes matched with the bolts, the end of the bolt passes through the threaded hole and is in contact with the fixed block, and four groups of bolts are arranged; two groups of handles b are arranged, and the two groups of handles b are arranged on the two groups of fixed blocks respectively.

[0007] Preferably, the limiting assembly comprises a rack, a support plate d, a support rod, a caliper and a spring; a strip-shaped slot is vertically arranged on the rear side of the upper support plate a, and the strip-shaped slot is formed with openings on the upper and lower end faces of the support plate a; the rack is vertically arranged on the inner wall of the rear side of the cabinet body; the support plate d is arranged on the top of the support plate a, and the support plate d is provided with a through hole through which the support rod passes; the support rod passes through the through hole in the front-rear direction of the cabinet body, and the support rod is provided with a pull plate and a support plate e at the front and rear ends respectively; the caliper is arranged on the end face of the support plate e facing the rack, and the caliper is matched and inserted between the adjacent two groups of teeth of the rack; the spring is sleeved on the support rod, one end of the spring is connected with the support plate d, and the other end of the spring is connected with the support plate e, and the spring is in a compressed state.

[0008] Preferably, the distance through which the caliper moves from between the two groups of teeth of the rack to between the lower two groups of teeth is 12.5 mm; a scale is vertically arranged on the inner wall of the rear side of the cabinet body, the scale passes through the strip-shaped slot, and the display scale of the scale is the distance between the two groups of support plates b.

[0009] Preferably, a slide rail is transversely arranged on the support plate a, a slide groove is arranged on the support plate b, and the slide rail is matched and inserted into the slide groove.

[0010] Preferably, a scale line is transversely arranged on the front side of the slide rail.

[0011] Preferably, support plates c are horizontally arranged on the left and right side faces of the upper support plate a, guide rods are vertically arranged on the two groups of support plates c, two groups of cylinder bodies are vertically arranged on the inner wall of the top of the cabinet body, and the two groups of guide rods are matched and inserted into the two groups of cylinder bodies.

[0012] Preferably, a mounting plate is arranged at the bottom of the sleeve, spherical grooves are arranged on the left and right end faces of the mounting plate, spherical bodies are matched and rotatably arranged in the spherical grooves, and the connecting rods a and b are connected with the parts of the two groups of spherical bodies protruding out of the spherical grooves.

[0013] On the other hand, the present application provides an electrical gap adjustment method suitable for a power distribution box cabinet in a high-altitude area, which comprises the following steps:

[0014] S1. According to the current altitude, the smallest electrical gap is converted according to the formula;

[0015] S2. Rotate the two groups of bolts to move the fixed block downward, thereby reducing the height of the crossbar, and the crossbar drives the connecting rod a and the connecting rod b to change the angle, so that the distance between the support plates b is synchronously opened.

[0016] S3、According to the indicated distance of the scale line, the distance between the two groups of support plates b is adjusted to be greater than the minimum electrical clearance;

[0017] S4, pull the pull plate outward, pull the caliper out of the rack, and move the support plate a upward to the appropriate position according to the scale displayed on the scale;

[0018] S5, each electrical element is installed on the plurality of support plates b.

[0019] Compared with the prior art, the present application has the following beneficial technical effects: after the installer calculates the minimum electrical clearance, the distance between the multiple groups of support plates b can be changed synchronously at one time, and the gap adjustment can be quickly and conveniently completed according to the scale line, saving time and effort. At the same time, the adjustment between the two groups of support plates a is simple and convenient, and the distance adjustment between the two rows of support plates b is also completed at one time. The electrical element installation process does not need to measure the distance one by one, which is convenient to use and has high consistency of the gap. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 is a structural schematic view of an embodiment of the present application;

[0021] Figure 2 is a front view of the sectional view of Figure 1 ;

[0022] Figure 3 is a side view of the sectional view of Figure 1 ;

[0023] Figure 4 is an enlarged schematic view of A in Figure 2 ;

[0024] Figure 5 is a structural schematic view of the sleeve.

[0025] The drawings show that: 1, cabinet; 2, cabinet door; 3, handle a; 4, support plate a; 5, support plate b; 6, slide rail; 7, scale line; 8, fixed block; 9, cross bar; 10, fixed plate; 11, bolt; 12, handle b; 13, sleeve; 14, connecting rod a; 15, connecting rod b; 16, support plate c; 17, guide rod; 18, cylinder; 19, strip-shaped groove; 20, rack; 21, support plate d; 22, support rod; 23, pull plate; 24, support plate e; 25, caliper; 26, spring; 27, scale; 28, spherical groove; 29, ball. DETAILED DESCRIPTION

[0026] Example one

[0027] The application provides a power distribution box suitable for high-altitude areas, which comprises a cabinet body 1 and a mounting assembly; the mounting assembly comprises a support plate a 4, a support plate b 5, a fixed block 8, a horizontal rod 9, a sleeve 13, a connecting rod a 14 and a connecting rod b 15;

[0028] As shown in Figure 1 , the cabinet body 1 is provided with a cabinet door 2 on the front side, and a handle a 3 is arranged on the cabinet door 2;

[0029] As shown in Figure 2 , the support plate a 4 is transversely arranged on the inner wall of the rear side of the cabinet body 1; a plurality of groups of support plate b 5 are arranged side by side at equal intervals, the support plate b 5 located at the leftmost side is fixedly connected with the support plate a 4, and the other support plate b 5 is transversely arranged on the support plate b 5 in a sliding mode, the support plate a 4 is provided with a sliding rail 6 arranged in a transverse mode on the front side, the support plate b 5 is provided with a sliding groove, the sliding rail 6 is inserted into the sliding groove in a matched mode, and a scale line 7 is arranged in a transverse mode on the front side of the sliding rail 6; two groups of fixed blocks 8 are arranged on the front side of the support plate a 4 in a sliding mode along the vertical direction, the fixed blocks 8 are located above the support plate b 5, and the support plate a 4 is provided with a lifting assembly for driving the fixed blocks 8 to move up and down; the horizontal rod 9 is arranged in a transverse mode between the two groups of fixed blocks 8; the sleeve 13 is arranged in a sliding mode on the horizontal rod 9, a plurality of groups of sleeves 13 are arranged side by side at equal intervals, and each group of sleeves 13 is located at the middle position above the adjacent two groups of support plate b 5; the connecting rod a 14 is rotationally connected with the sleeve 13 at the top, rotationally connected with the support plate b 5 at the bottom, and arranged in a plurality of groups; the connecting rod b 15 is rotationally connected with the sleeve 13 at the top and rotationally connected with the next group of support plate b 5 at the bottom, and the rotation directions of the connecting rod b 15 and the connecting rod a 14 are clockwise or counterclockwise;

[0030] As shown in Figure 2 and Figure 5 , the sleeve 13 is provided with a mounting plate at the bottom, the mounting plate is provided with a spherical groove 28 on the left and right end faces, the spherical groove 28 is rotationally arranged with a ball 29 in a matched mode, and the connecting rod a 14 and the connecting rod b 15 are connected with the parts of the two groups of balls 29 extending out of the spherical groove 28; the mounting assembly is arranged side by side in two groups on the inner wall of the rear side of the cabinet body 1, the upper group of support plate a 4 is arranged in a sliding mode along the vertical direction on the inner wall of the cabinet body 1, and the cabinet body 1 is provided with a limiting assembly for limiting the position of the upper group of support plate a 4.

[0031] In the embodiment, the installer converts the minimum electrical clearance according to the current altitude according to the formula, moves the fixed block 8 downward through the lifting assembly, thereby lowering the height of the cross rod 9, changes the angle of the connecting rod a14 and the connecting rod b15 driven by the cross rod 9, synchronously opens the distance between the support plates b5, adjusts the distance between the two groups of support plates b5 to be greater than the minimum electrical clearance according to the indicated distance of the scale line 7, changes the height of the upper group of support plates a4 through the limiting assembly, so that the distance between the two groups of support plates a4 meets the electrical clearance requirement, and finally installs each electrical element on the plurality of support plates b5. In the embodiment, after the installer calculates the minimum electrical clearance, the distance between the plurality of groups of support plates b5 can be changed synchronously at one time, and the gap adjustment can be quickly and conveniently completed according to the scale line 7, which saves time and effort. At the same time, the adjustment between the two groups of support plates a4 is simple and convenient, the distance adjustment between the two rows of support plates b5 is also completed at one time, and the electrical element installation process does not need to measure the distance one by one, which is convenient to use.

[0032] Embodiment two

[0033] As shown in Figure 4 The application provides a power distribution box cabinet suitable for high-altitude areas. Compared with the first embodiment, the lifting assembly comprises a fixed plate 10, a bolt 11 and a handle b12. The fixed plate 10 is arranged on the front side of the support plate a4. The fixed plate 10 is arranged in four groups, and each two groups are located on the upper and lower sides of the fixed block 8. The support plate a4 is vertically provided with a threaded hole matched with the bolt 11. The end of the bolt 11 penetrates through the threaded hole and is in contact with the fixed block 8. The bolt 11 is arranged in four groups. The handle b12 is arranged in two groups, and the two groups of handles b12 are arranged on the two groups of fixed blocks 8. The height of the fixed block 8 is changed by adjusting the positions of the two groups of bolts 11. After the height adjustment of the fixed block 8 is completed, the two groups of bolts 11 are respectively abutted against the fixed block 8 from the upper and lower sides to complete the fixation.

[0034] Embodiment three

[0035] As shown in Figures 2-3As shown, the application provides a power distribution cabinet suitable for high altitude areas, compared with example one, the limiting assembly includes a rack 20, a support plate d21, a support rod 22, a caliper 25 and a spring 26; the vertical strip-shaped groove 19 is arranged on the rear side of the upper support plate a4, and the strip-shaped groove 19 is formed with openings on the upper and lower end faces of the support plate a4; the rack 20 is vertically arranged on the rear side inner wall of the cabinet body 1; the support plate d21 is arranged on the top of the support plate a4, and the support plate d21 is provided with a through hole through which the support rod 22 passes; the support rod 22 passes through the through hole in the front-rear direction of the cabinet body 1, and the front-rear two ends of the support rod 22 are respectively provided with a pull plate 23 and a support plate e24; the caliper 25 is arranged on the end face of the support plate e24 facing the rack 20, and the caliper 25 is inserted between the adjacent two groups of teeth of the rack 20; the spring 26 is sleeved on the support rod 22, one end of the spring 26 is connected with the support plate d21, the other end of the spring 26 is connected with the support plate e24, and the spring 26 is in a compressed state. The distance between the two groups of teeth of the caliper 25 moving from the rack 20 to the next two groups of teeth is 12.5mm; the scale ruler 27 is vertically arranged on the rear side inner wall of the cabinet body 1, the scale ruler 27 passes through the strip-shaped groove 19, and the display scale of the scale ruler 27 is the distance between the two groups of support plates b5.

[0036] In this embodiment, the installer pulls the pull plate 23 outward, pulls the caliper 25 out of the rack 20, moves the support plate a4 upward to the appropriate position according to the scale displayed by the scale ruler 27, and then releases the pull plate 23, the caliper 25 is reinserted between the adjacent two teeth of the rack 20 to complete the fixation, the distance between the two teeth is 12.5mm, and the caliper 25 moves upward by a tooth distance for every 1000m of altitude rise.

[0037] Example four

[0038] As Figure 2 shown, the application provides a power distribution cabinet suitable for high altitude areas, compared with example one, the limiting assembly includes a rack 20, a support plate d21, a support rod 22, a caliper 25 and a spring 26; the vertical strip-shaped groove 19 is arranged on the rear side of the upper support plate a4, and the strip-shaped groove 19 is formed with openings on the upper and lower end faces of the support plate a4; the rack 20 is vertically arranged on the rear side inner wall of the cabinet body 1; the support plate d21 is arranged on the top of the support plate a4, and the support plate d21 is provided with a through hole through which the support rod 22 passes; the support rod 22 passes through the through hole in the front-rear direction of the cabinet body 1, and the front-rear two ends of the support rod 22 are respectively provided with a pull plate 23 and a support plate e24; the caliper 25 is arranged on the end face of the support plate e24 facing the rack 20, and the caliper 25 is inserted between the adjacent two groups of teeth of the rack 20; the spring 26 is sleeved on the support rod 22, one end of the spring 26 is connected with the support plate d21, the other end of the spring 26 is connected with the support plate e24, and the spring 26 is in a compressed state. The distance between the two groups of teeth of the caliper 25 moving from the rack 20 to the next two groups of teeth is 12.5mm; the scale ruler 27 is vertically arranged on the rear side inner wall of the cabinet body 1, the scale ruler 27 passes through the strip-shaped groove 19, and the display scale of the scale ruler 27 is the distance between the two groups of support plates b5.

[0039] Example five

[0040] Based on the electrical gap adjustment method of the above-mentioned power distribution cabinet suitable for high altitude areas, the method comprises the following steps:

[0041] S1, according to the current altitude, the smallest electrical gap is converted according to the formula;

[0042] S2, rotate two groups of bolts 11, so that the fixed block 8 moves down, thereby reducing the height of the crossbar 9, the crossbar 9 drives the link a14 and link b15 to change the angle, so that the support plate b5 between the synchronous pull open distance;

[0043] S3, according to the scale line 7 indicates the distance, adjust the distance between the two groups of support plate b5 greater than the minimum electrical clearance can;

[0044] S4, pull the pull plate 23, the caliper 25 from the rack 20 pull out, according to the scale 27 display scale to move the support plate a4 to the appropriate position;

[0045] S5, the electrical components are installed on the multiple support plate b5,

[0046] In this embodiment, the installer calculates the minimum electrical clearance, can be changed simultaneously between multiple groups of support plate b5 distance, according to the scale line 7, can quickly and easily complete the gap adjustment, save time and effort, the adjustment between the two groups of support plate a4 simple and convenient, the distance between the two rows of support plate b5 adjustment is also completed at one time, the electrical component installation process does not need to measure the distance one by one, convenient to use, and the gap consistency is high.

[0047] The embodiments of the application are described in detail above with reference to the drawings, but the application is not limited thereto, within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the purpose of the application.

Claims

1. A distribution box suitable for high altitude areas, characterized in that, The cabinet body (1) is provided with a cabinet door (2) on the front side, and a handle a (3) is arranged on the cabinet door (2); the support plate a (4) is transversely arranged on the inner wall of the rear side of the cabinet body (1); a plurality of groups of support plate b (5) are arranged in parallel and equidistantly, and the support plate b (5) on the leftmost side is fixedly connected with the support plate a (4); the other support plate b (5) is slidably arranged on the support plate a (4) in the transverse direction; two groups of fixed blocks (8) are arranged on the front side of the support plate a (4) in the vertical direction, and the fixed blocks (8) are arranged above the support plate b (5); the support plate a (4) is provided with a lifting assembly for driving the fixed blocks (8) to move up and down; the cross bar (9) is transversely arranged between the two groups of fixed blocks (8); the sleeve (13) is slidably sleeved on the cross bar (9), and a plurality of groups of sleeves (13) are arranged in parallel and equidistantly, each group of sleeves (13) being arranged above the middle position of the adjacent two groups of support plate b (5); the connecting rod a (14) is rotatably connected with the sleeve (13) at the top, rotatably connected with the support plate b (5) at the bottom, and arranged in a plurality of groups; the connecting rod b (15) is rotatably connected with the sleeve (13) at the top and rotatably connected with the next group of support plate b (5) at the bottom, and the rotating directions of the connecting rod b (15) and the connecting rod a (14) are clockwise or counterclockwise; the mounting assembly is arranged in two groups side by side on the inner wall of the rear side of the cabinet body (1), and the upper group of support plate a (4) is slidably arranged on the inner wall of the cabinet body (1) in the vertical direction; the cabinet body (1) is provided with a limiting assembly for limiting the position of the upper group of support plate a (4); The limiting assembly comprises a rack (20), a support plate d (21), a support rod (22), a caliper (25) and a spring (26); a strip-shaped groove (19) is vertically arranged on the rear side of the upper support plate a (4), and the strip-shaped groove (19) is formed with openings on the upper and lower end faces of the support plate a (4); the rack (20) is vertically arranged on the inner wall of the rear side of the cabinet body (1); the support plate d (21) is arranged on the top of the support plate a (4), and the support plate d (21) is provided with a through hole through which the support rod (22) passes; the support rod (22) passes through the through hole in the front-rear direction of the cabinet body (1), and the support rod (22) is provided with a pull plate (23) and a support plate e (24) at the front and rear ends respectively; the caliper (25) is arranged on the end face of the support plate e (24) facing the rack (20), and the caliper (25) is inserted between the adjacent two groups of teeth of the rack (20); the spring (26) is sleeved on the support rod (22), one end of the spring (26) is connected with the support plate d (21), the other end of the spring (26) is connected with the support plate e (24), and the spring (26) is in a compressed state; ​ ​ The distance between the two groups of teeth on the rack (20) is 12.5mm; the scale (27) is vertically arranged on the inner wall of the rear side of the cabinet body (1), the scale (27) passes through the strip-shaped slot (19), and the display scale of the scale (27) is the distance between the two groups of support plates b (5).

2. The distribution box cabinet suitable for high altitude areas as claimed in claim 1 wherein, The lifting assembly comprises a fixed plate (10), a bolt (11) and a handle b (12); the fixed plate (10) is arranged on the front side of the support plate a (4), and four groups of fixed plates (10) are arranged, with each two groups being located on the upper and lower sides of the fixed block (8), the support plate a (4) is vertically provided with a threaded hole matched with the bolt (11), the end of the bolt (11) passes through the threaded hole and is in contact with the fixed block (8), and four groups of bolts (11) are arranged; two groups of handles b (12) are arranged on the two groups of fixed blocks (8).

3. The distribution box cabinet suitable for high altitude areas as claimed in claim 1 wherein, The support plate a (4) is horizontally provided with a sliding rail (6), and the support plate b (5) is provided with a sliding groove, and the sliding rail (6) is matched and inserted into the sliding groove.

4. The distribution box cabinet suitable for high altitude areas as claimed in claim 3 wherein, The front side of the sliding rail (6) is horizontally provided with a scale line (7).

5. The distribution box cabinet suitable for high altitude areas as claimed in claim 1 wherein, The left and right sides of the upper support plate a (4) are both horizontally provided with a support plate c (16), and the two groups of support plate c (16) are both vertically provided with a guide rod (17), and the top inner wall of the cabinet body (1) is vertically provided with two groups of cylinder bodies (18), and the two groups of guide rods (17) are matched and inserted into the two groups of cylinder bodies (18). The bottom of the sleeve (13) is provided with a mounting plate, the left and right end faces of the mounting plate are provided with a spherical groove (28), the spherical groove (28) is matched and rotatably provided with a spherical body (29), and the connecting rod a (14) and the connecting rod b (15) are connected with the parts of the two groups of spherical bodies (29) protruding out of the spherical groove (28).

6. The distribution box cabinet suitable for high altitude areas as claimed in claim 1 wherein, The steps include:

7. A method of adjusting the electrical clearance of a distribution box adapted for high altitude areas according to any one of claims 1-6, characterized in that, S1. According to the current altitude, the minimum electrical clearance is converted according to the formula; S2. Rotate the two groups of bolts (11) to move the fixed block (8) downward, thereby lowering the height of the cross bar (9), the cross bar (9) drives the connecting rod a (14) and the connecting rod b (15) to change the angle, and the distance between the two groups of support plates b (5) is synchronously opened; S3. According to the indicated distance of the scale line (7), adjust the distance between the two groups of support plates b (5) to be greater than the minimum electrical clearance; S4. Pull the pull plate (23) outward, pull the caliper (25) out of the rack (20), and move the support plate a (4) upward to the appropriate position according to the scale displayed by the scale (27); S5. Each electrical element is respectively installed on the plurality of support plates b (5). ​

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