CN210401487U - Isolation power box of fire-fighting module test jig - Google Patents

Abstract

The utility model relates to a power supply box technical field, and a fire control module test jig's isolation power supply box is disclosed, including the shielded box, miniature electric leakage switch and insurance, the shielded box is the stairstepping setting, miniature electric leakage switch and insurance are located the inside front side setting of shielded box, the upper end front side of shielded box is seted up respectively with miniature electric leakage switch and insurance assorted first opening and second opening, miniature electric leakage switch passes the top setting that first opening and second opening extended to the shielded box respectively with the upper end of insurance, the top of shielded box is equipped with the safety cover, miniature electric leakage switch and insurance are located the inside below setting of safety cover, the first fixed block that two symmetries of fixedly connected with set up is returned to the upper end of shielded box. The utility model discloses can protect the outside miniature leakage switch of isolation power supply box and insurance, avoid water to spill and cause the damage on it, and can dispel the heat in the isolation power supply box, avoid the too high influence of inside temperature to use.

Description

Isolation power box of fire-fighting module test jig

Technical Field

The utility model relates to a power supply box technical field especially relates to an isolation power supply box of fire control module test jig.

Background

At present, in the test process aiming at the fire-fighting module, uncertain factors exist, including instability of mains voltage, large fluctuation, continuous electromagnetic interference, seriously affecting the test effect and being not beneficial to development of work, loads such as some electrical equipment, high-frequency equipment, switch devices and the like are arranged in an original power distribution system, the loads often perform some modulation interference on a power supply, starting and stopping of large-load equipment generate impact current on a line, some second harmonics generated by the equipment are carried on the power supply in a reverse mode, some equipment with higher requirements on the quality of the power supply requires a method of isolating a power supply box, and a ground loop is cut off through the isolation box, so that the interference resistance of key equipment is improved, and the safe and stable operation of a voltage signal of the equipment is protected.

When the isolation power box is used for isolating the fire module test, a miniature leakage switch, a fuse, a transformer, a terminal and the like are generally installed in the isolation power box, the miniature leakage switch and the fuse are generally exposed outside the isolation power box and are easily damaged by water drenching, the isolation power box is poor in heat dissipation efficiency, the internal temperature is too high, and the use is easily influenced, so that the isolation power box of the fire module test rack is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving among the prior art miniature leakage switch, insurance in keeping apart the power supply box and generally exposing externally, be caused the damage by the water drenching easily, and keep apart that power supply box radiating efficiency is poor, and the problem of using is influenced easily to the high inside temperature, and the isolation power supply box of a fire control module test jig that proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an isolation power supply box of a fire-fighting module test rack comprises an isolation box, a miniature leakage switch and a safety guard, wherein the isolation box is arranged in a step shape, the miniature leakage switch and the safety guard are arranged on the front side of the interior of the isolation box, the front side of the upper end of the isolation box is respectively provided with a first opening and a second opening which are matched with the miniature leakage switch and the safety guard, the upper ends of the miniature leakage switch and the safety guard respectively penetrate through the first opening and the second opening to extend to the upper part of the isolation box, a protective cover is arranged above the isolation box, the miniature leakage switch and the safety guard are arranged below the interior of the protective cover, the upper end of the isolation box is also fixedly connected with two first fixed blocks which are symmetrically arranged, the two first fixed blocks are arranged on the rear side of the protective cover, the lower end of the rear side of the protective cover is fixedly connected with a rotating shaft, and the two ends of the rotating shaft are respectively connected with the two, the radiator hole has been seted up on the right side of shielded box, the inside of radiator hole is through two dead lever fixedly connected with fans, two dead lever vertically alternately sets up, the outer end fixedly connected with ring of radiator hole, the inside of ring is fixed and is equipped with the dust screen, the through wires hole has all been seted up to two lateral wall front sides about the shielded box.

Preferably, the upper end of the front side wall of the protective cover is fixedly connected with a convex block, and the surface of the convex block is provided with anti-skid grains.

Preferably, the lower extreme fixedly connected with rubber pad of safety cover, the rubber pad sets up for the rectangle frame, the safety cover is made for transparent acrylic plate material.

Preferably, the outer circumferential side wall of the ring is fixedly connected with a plurality of second fixed blocks which are uniformly distributed, and the second fixed blocks are fixedly connected with the isolation box through screws.

Preferably, an annular rubber ring is fixedly arranged inside the threading hole.

Preferably, both sides of the shaft wall of the rotating shaft are sleeved with torsion springs, one ends of the torsion springs are fixedly connected with the rotating shaft, and the other ends of the torsion springs are fixedly connected with the first fixing block.

Compared with the prior art, the utility model provides an isolation power supply box of fire control module test jig possesses following beneficial effect:

1. this isolation power supply box of fire control module test jig, can protect miniature leakage switch and insurance through the safety cover that is equipped with, avoid the water spray to lead to damaging on it, and avoid the dust to get into the inside in the isolation box from first opening and second opening and influence the use, torsion force can be applyed to the pivot through the torque spring who is equipped with, the pivot can be applyed the torsion force to the safety cover, thereby can make the automatic upper end front side with the isolation box of safety cover keep closed, can improve the leakproofness between safety cover and the isolation box through the rubber pad that is equipped with, and cushion when can closing the safety cover automatically, avoid safety cover and isolation box to collide each other and hit and cause the damage, be convenient for people to open the safety cover through the lug that is equipped with and operate.

2. This isolation power supply box of fire control module test jig, be convenient for dispel the heat to the inside of shielded box through thermovent and the fan that is equipped with, avoid the inside high temperature of shielded box and influence the use, dust screen through being equipped with can filter dust in the air, avoid the dust to get into the inside of shielded box from the thermovent, be convenient for fix ring and dust screen and shielded box through a plurality of second fixed blocks and a plurality of screw that are equipped with, and convenient to detach washs the dust screen, and people of being convenient for use.

The part that does not relate to among the device all is the same with prior art or can adopt prior art to realize, the utility model discloses can protect the outside miniature leakage switch of isolation power supply box and insurance, avoid water to spill and cause the damage on it, and can dispel the heat in the isolation power supply box, avoid the too high influence of inside temperature to use.

Drawings

Fig. 1 is a schematic structural view of an isolated power box of a fire-fighting module testing jig according to the present invention;

FIG. 2 is a schematic view of the left side of the structure of FIG. 1;

fig. 3 is a right-side structural view of fig. 1.

In the figure: 1 isolation box, 2 miniature leakage switches, 3 safes, 4 safety covers, 5 first fixed blocks, 6 dead levers, 7 fans, 8 rings, 9 dust screens, 10 bumps, 11 rubber pads, 12 second fixed blocks, 13 screws, 14 annular rubber rings and 15 torsion springs.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-3, an isolated power box of a fire-fighting module test rack comprises an isolation box 1, a micro leakage switch 2 and a safety 3, wherein the isolation box 1 is arranged in a step shape, the micro leakage switch 2 and the safety 3 are arranged at the front side of the interior of the isolation box 1, the front side of the upper end of the isolation box 1 is respectively provided with a first opening and a second opening which are matched with the micro leakage switch 2 and the safety 3, the upper ends of the micro leakage switch 2 and the safety 3 respectively pass through the first opening and the second opening and extend to the upper part of the isolation box 1, a protective cover 4 is arranged above the isolation box 1, the micro leakage switch 2 and the safety 3 are arranged below the interior of the protective cover 4, the upper end of the isolation box 1 is also fixedly connected with two first fixed blocks 5 which are symmetrically arranged, the two first fixed blocks 5 are arranged at the rear side of the protective cover 4, the lower end of the rear side of the protective, the both ends of pivot are rotated with two first fixed blocks 5 respectively and are connected, and the thermovent has been seted up on shielded box 1's right side, and the inside of thermovent is through two 6 fixedly connected with fans 7 of dead lever, and two 6 vertical cross settings of dead lever, the outer end fixedly connected with ring 8 of thermovent, the fixed dust screen 9 that is equipped with in inside of ring 8, and the through wires hole has all been seted up to two lateral wall front sides about shielded box 1.

The upper end of the front side wall of the protective cover 4 is fixedly connected with a convex block 10, and the surface of the convex block 10 is provided with anti-skid grains, so that people can open the protective cover 4 conveniently.

Lower extreme fixedly connected with rubber pad 11 of safety cover 4, rubber pad 11 is the setting of rectangle frame, can improve the leakproofness between safety cover 4 and the shielded cell 1, and cushion when can 4 self-closing to the safety cover, avoid safety cover 4 and shielded cell 1 striking each other to cause the damage, safety cover 4 is made for transparent ya keli board material, the people of being convenient for watch miniature leakage switch 2 and insurance 3's state.

A plurality of evenly distributed's of outer circumference lateral wall fixed connection of ring 8 second fixed block 12, second fixed block 12 pass through screw 13 and shielded box 1 fixed connection, are convenient for fix ring 8 and dust screen 9 and shielded box 1, and convenient to detach washs dust screen 9.

The inside of through wires hole is fixed and is equipped with annular rubber circle 14, avoids the circuit to be damaged by the through wires mouth, and can reduce the intraoral gap of threading, reduces the dust and gets into.

Both sides of the shaft wall of the rotating shaft are sleeved with torsion springs 15, one ends of the torsion springs 15 are fixedly connected with the rotating shaft, the other ends of the torsion springs 15 are fixedly connected with the first fixing blocks 5, and the protective cover 4 can be automatically kept closed with the front side of the upper end of the isolation box 1.

In the utility model, when in use, the miniature leakage switch 2 and the fuse 3 can be protected by the protective cover 4, the damage caused by water sprinkling on the miniature leakage switch and the damage caused by dust entering the interior of the isolation box 1 from the first opening and the second opening are avoided, the torsion force can be exerted on the rotating shaft by the torsion spring 15, the rotating shaft can exert the torsion force on the protective cover 4, thereby the protective cover 4 can automatically keep closed with the front side of the upper end of the isolation box 1, the sealing performance between the protective cover 4 and the isolation box 1 can be improved by the rubber pad 11, the buffer can be carried out when the protective cover 4 is automatically closed, the damage caused by the mutual collision between the protective cover 4 and the isolation box 1 is avoided, the protective cover 4 can be conveniently opened by people through the lug 10, the heat dissipation can be conveniently carried out on the interior of the isolation box 1 through the heat dissipation port and the fan 7, avoid the inside high temperature of shielded box 1 and influence the use, can filter dust in the air through the dust screen 9 that is equipped with, avoid the dust to get into shielded box 1's inside from the thermovent, be convenient for fix ring 8 and dust screen 9 and shielded box 1 through a plurality of second fixed blocks 12 and a plurality of screws 13 that are equipped with, and convenient to detach washs dust screen 9, and the people of being convenient for use.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (6)

1. An isolation power supply box of a fire-fighting module test rack comprises an isolation box (1), a micro leakage switch (2) and a safety fuse (3), and is characterized in that the isolation box (1) is arranged in a step shape, the micro leakage switch (2) and the safety fuse (3) are arranged on the front side of the interior of the isolation box (1), the front side of the upper end of the isolation box (1) is respectively provided with a first opening and a second opening which are matched with the micro leakage switch (2) and the safety fuse (3), the upper ends of the micro leakage switch (2) and the safety fuse (3) respectively penetrate through the first opening and the second opening and extend to the upper portion of the isolation box (1), a protection cover (4) is arranged above the isolation box (1), the micro leakage switch (2) and the safety fuse (3) are arranged below the interior of the protection cover (4), the upper end of the isolation box (1) is fixedly connected with two first fixing blocks (5) which are symmetrically arranged, two first fixed block (5) are located the rear side setting of safety cover (4), the rear side lower extreme fixedly connected with pivot of safety cover (4), the both ends of pivot rotate with two first fixed blocks (5) respectively and are connected, the thermovent has been seted up on the right side of shielded cell (1), the inside of thermovent is through two dead lever (6) fixedly connected with fan (7), two dead lever (6) vertical cross arrangement, the outer end fixedly connected with ring (8) of thermovent, the fixed dust screen (9) that are equipped with in inside of ring (8), the through wires hole has all been seted up to two lateral wall front sides about shielded cell (1).

2. The isolated power box of the fire-fighting module test rack of claim 1, characterized in that a bump (10) is fixedly connected to the upper end of the front side wall of the protective cover (4), and the surface of the bump (10) is provided with anti-skid lines.

3. The isolated power box of the fire-fighting module test rack of claim 1, characterized in that a rubber pad (11) is fixedly connected to the lower end of the protective cover (4), the rubber pad (11) is arranged in a rectangular frame, and the protective cover (4) is made of transparent acrylic plate material.

4. The isolated power box of the fire-fighting module test rack of claim 1, characterized in that the outer circumferential side wall of the ring (8) is fixedly connected with a plurality of uniformly distributed second fixed blocks (12), and the second fixed blocks (12) are fixedly connected with the isolated box (1) through screws (13).

5. The isolated power box of the fire fighting module test rack of claim 1, characterized in that an annular rubber ring (14) is fixedly arranged inside the threading hole.

6. The isolated power box of the fire fighting module test rack of claim 1, characterized in that torsion springs (15) are sleeved on both sides of the shaft wall of the rotating shaft, one end of each torsion spring (15) is fixedly connected with the rotating shaft, and the other end of each torsion spring (15) is fixedly connected with the first fixing block (5).

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