CN219477337U - Block terminal protection against electric shock structure - Google Patents

Abstract

The utility model discloses an electric shock prevention structure of a distribution box, which comprises a distribution box body, wherein a protective insulating net cover is arranged outside the distribution box body through a lifting mechanism, the lifting mechanism is used for driving the protective insulating net cover to lift, an audible and visual alarm is arranged at the top of the protective insulating net cover, an insulating shell is fixed at the bottom of the distribution box body, a conducting strip is fixed at the bottom of the distribution box body, the conducting strip is inserted into the insulating shell and connected with a first wire, a resistor is arranged on the first wire, a voltmeter is arranged inside the insulating shell, and the voltmeter is connected with the resistor in parallel through a second wire. When the protective insulating net cover is lowered, the protective insulating net cover can be covered outside the distribution box body, so that an external person cannot directly touch the distribution box body, and even if the distribution box body leaks electricity, the electric shock cannot occur, and the protective insulating net cover has a good protective effect and a good warning effect.

Description

Block terminal protection against electric shock structure

Technical Field

The utility model relates to the technical field of distribution boxes, in particular to an electric shock prevention structure of a distribution box.

Background

The distribution box sometimes can appear that the ground wire does not connect well or does not have ground connection, wire ageing, electric appliance destroy etc. and produce the problem of electric leakage and produce the potential safety hazard easily in the use, bring harm for the staff, and current distribution box is not paid attention to in the aspect of protection against electric shock, and little distribution box has set up safeguard measure to electric leakage, from this we propose a distribution box protection against electric shock structure.

Disclosure of Invention

The utility model aims to solve the defects in the prior art and provides an electric shock prevention structure of a distribution box.

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

the utility model provides a block terminal protection against electric shock structure, includes the block terminal body, the outside of block terminal body is installed through elevating system and is protected insulating screen panel, elevating system is used for driving the lift of protective insulating screen panel, audible-visual annunciator is installed at the top of protective insulating screen panel, the bottom of block terminal body is fixed with insulating housing, the bottom of block terminal body is fixed with the conducting strip, the conducting strip inserts in the insulating housing and is connected with first wire, install the resistance on the first wire, insulating housing's internally mounted has the voltmeter, the voltmeter is parallelly connected with the resistance through the second wire.

Preferably, the elevating system includes motor, first fixed block, lead screw, second fixed block, slide bar, the top at the insulating screen panel of protection is installed to the motor, the output shaft of motor runs through the insulating screen panel of protection and is connected with the lead screw, first fixed block has been cup jointed through the screw thread on the lead screw, the side at the block terminal body is fixed to first fixed block, the second fixed block is fixed on the block terminal body and is kept away from one side of first fixed block, the slide bar has been cup jointed in the second fixed block sliding, the inside top at the insulating screen panel of protection is fixed to the slide bar.

Preferably, the first wire penetrates through the insulating shell and is connected with a metal ground nail, and the metal ground nail is inserted into the ground.

Preferably, the bottom of block terminal body is fixed with the support frame, the bottom of the insulating screen panel of protection is uncovered.

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

1. according to the utility model, the motor drives the screw rod to rotate, the screw rod can realize lifting of the motor in the vertical direction through the threaded transmission between the screw rod and the first fixed block, and the protective insulating net cover can lift along with the motor due to the fact that the motor is arranged on the protective insulating net cover, so that the purpose of adjusting the height of the protective insulating net cover is realized; when the protective insulating net cover is lowered, the protective insulating net cover can be covered outside the distribution box body, so that an external person cannot directly touch the distribution box body, and even if the distribution box body leaks electricity, the electric shock cannot occur, and the protective insulating net cover has a good protective effect;

2. according to the utility model, when electric leakage occurs in the distribution box body, current flows into the ground through the distribution box body, the first lead and the metal ground nail, and current flows through the resistor, so that the voltmeter can detect voltage, the audible and visual alarm gives out audible and visual alarm, the distribution box body of a worker is reminded of electric leakage, the worker needs to maintain in time, and surrounding workers are reminded of not touching the distribution box body, so that the distribution box has a good warning effect.

Drawings

Fig. 1 is a schematic structural diagram of an electric shock preventing structure of a distribution box according to the present utility model;

FIG. 2 is a schematic view of the portion of FIG. 1;

fig. 3 is a schematic structural diagram of a lifting mechanism of an electric shock prevention structure of a distribution box.

In the figure: 1 distribution box body, 2 support frames, 3 insulating casings, 4 elevating system, 41 motors, 42 first fixed blocks, 43 lead screws, 44 second fixed blocks, 45 slide bars, 5 audible and visual annunciators, 6 protective insulating net covers, 7 conducting strips, 8 resistors, 9 first conducting wires, 10 metal ground nails, 11 second conducting wires and 12 voltmeters.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1 and 2, an electric shock prevention structure of a distribution box comprises a distribution box body 1, wherein a protective insulation net cover 6 is arranged outside the distribution box body 1 through a lifting mechanism 4, the lifting mechanism 4 is used for driving the protective insulation net cover 6 to lift, when the protective insulation net cover 6 descends, the protective insulation net cover 6 can cover the outside of the distribution box body 1, thus an external person cannot directly touch the distribution box body 1, even if the distribution box body 1 leaks electricity, the electric shock cannot happen, the electric shock prevention structure has good protection effect, an audible and visual alarm 5 is arranged at the top of the protective insulation net cover 6, an insulation shell 3 is fixed at the bottom of the distribution box body 1, a conducting sheet 7 is fixed at the bottom of the distribution box body 1, the conducting sheet 7 is inserted into the insulation shell 3 and connected with a first conducting wire 9, a resistor 8 is arranged on the first conducting wire 9, the internally mounted of insulating housing 3 has voltmeter 12, voltmeter 12 connects in parallel with resistance 8 through second wire 11, first wire 9 runs through insulating housing 3 and is connected with metal ground nail 10, metal ground nail 10 inserts in the ground, when the inside electric leakage that takes place of block terminal body 1, the electric current flows into the earth through block terminal body 1, first wire 9, metal ground nail 10, resistance 8 has the electric current to flow through this moment, therefore voltmeter 12 can detect the voltage, audible-visual annunciator 5 sends audible-visual annunciator this moment, remind the staff block terminal body 1 to take place the electric leakage, need in time maintenance, also remind peripheral personnel to need not touch block terminal body 1, have fine warning effect, the bottom of block terminal body 1 is fixed with support frame 2, the bottom of protective insulation screen panel 6 is uncovered.

Referring to fig. 3, the lifting mechanism 4 includes a motor 41, a first fixing block 42, a screw rod 43, a second fixing block 44, and a slide bar 45, the motor 41 is installed at the top of the protective insulation screen 6, an output shaft of the motor 41 penetrates through the protective insulation screen 6 and is connected with the screw rod 43, the screw rod 43 is sleeved with the first fixing block 42 through threads, the first fixing block 42 is fixed at the side edge of the distribution box body 1, the second fixing block 44 is fixed at one side of the distribution box body 1 far away from the first fixing block 42, the slide bar 45 is slidably sleeved in the second fixing block 44, the slide bar 45 is fixed at the inner top of the protective insulation screen 6, the motor 41 drives the screw rod 43 to rotate, the screw rod 43 can lift the motor 41 in the vertical direction through threaded transmission with the first fixing block 42, and the motor 41 is installed on the protective insulation screen 6, so that the protective insulation screen 6 can lift along with the motor 41, thereby achieving the purpose of adjusting the height of the protective insulation screen 6.

Working principle: when the protective insulating net cover 6 is used, the motor 41 drives the screw rod 43 to rotate, the screw rod 43 can realize the lifting of the motor 41 in the vertical direction through the threaded transmission between the screw rod 43 and the first fixed block 42, and the protective insulating net cover 6 can lift along with the motor 41 due to the fact that the motor 41 is arranged on the protective insulating net cover 6, and therefore the purpose of adjusting the height of the protective insulating net cover 6 is achieved; when the protective insulation net cover 6 descends, the protective insulation net cover can cover the outside of the distribution box body 1, so that an external person cannot directly touch the distribution box body 1, and even if the distribution box body 1 leaks electricity, the electric shock cannot occur, and the protective insulation net cover has a good protective effect; when the electric leakage occurs in the distribution box body 1, current flows into the ground through the distribution box body 1, the first lead 9 and the metal ground nail 10, the resistor 8 flows through the current, so that the voltmeter 12 can detect voltage, the audible and visual alarm 5 sends out audible and visual alarm at the moment, the distribution box body 1 is reminded of the electric leakage of the working personnel, timely maintenance is needed, and peripheral personnel are reminded not to touch the distribution box body 1, so that the electric leakage warning device has a good warning effect.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims (4)

1. The utility model provides a block terminal protection against electric shock structure, includes block terminal body (1), its characterized in that, the outside of block terminal body (1) is installed through elevating system (4) and is protected insulating screen panel (6), elevating system (4) are used for driving the lift of protection insulating screen panel (6), audible-visual annunciator (5) are installed at the top of protection insulating screen panel (6), the bottom of block terminal body (1) is fixed with insulating housing (3), the bottom of block terminal body (1) is fixed with conducting strip (7), conducting strip (7) insert in insulating housing (3) and be connected with first wire (9), install resistance (8) on first wire (9), the internally mounted of insulating housing (3) has voltmeter (12), voltmeter (12) are parallelly connected with resistance (8) through second wire (11).

2. The electric shock prevention structure of the distribution box according to claim 1, wherein the lifting mechanism (4) comprises a motor (41), a first fixing block (42), a screw rod (43), a second fixing block (44) and a sliding rod (45), the motor (41) is installed at the top of the protective insulation net cover (6), an output shaft of the motor (41) penetrates through the protective insulation net cover (6) and is connected with the screw rod (43), the screw rod (43) is sheathed with the first fixing block (42) through threads, the first fixing block (42) is fixed on the side edge of the distribution box body (1), the second fixing block (44) is fixed on the side, far away from the first fixing block (42), of the distribution box body (1), the sliding rod (45) is sheathed in the second fixing block (44) in a sliding mode, and the sliding rod (45) is fixed at the inner top of the protective insulation net cover (6).

3. An electric shock prevention structure of a distribution box according to claim 1, characterized in that the first wire (9) penetrates the insulating housing (3) and is connected with a metal ground nail (10), and the metal ground nail (10) is inserted into the ground.

4. The distribution box electric shock prevention structure according to claim 1, wherein a supporting frame (2) is fixed at the bottom of the distribution box body (1), and the bottom of the protective insulation net cover (6) is open.