CN220208364U - Novel portable block terminal ground connection alarm - Google Patents

Abstract

The utility model discloses a novel mobile type distribution box grounding alarm, which relates to the technical field of distribution boxes and comprises a distribution box main body, wherein an alarm main body is arranged at a 40D aperture at the side of the distribution box main body, and a power supply, a time control relay, an alarm lamp, a resistance controller and a buzzer are respectively arranged on the alarm main body. When the distribution box main body of the warning device does not adopt effective grounding, the resistance value is infinitely large, and the resistance controller can take the value through instructions at the moment: when the main body of the distribution box is grounded, the resistance value is effectively controlled to be lower than 4 ohms, the control instruction of the resistance controller is automatically withdrawn and in an open circuit state, and no voltage and no current are generated in the whole circuit.

Description

Novel portable block terminal ground connection alarm

Technical Field

The application relates to the technical field of distribution boxes, in particular to a novel movable distribution box grounding alarm.

Background

The distribution box has large demand on construction sites and large grading and allocation, and in the complicated construction, the circuit is complex, the construction procedure is complex, and the safety requirements for personnel and equipment are high. In such cumbersome construction, workers are aware of the weakness of the protective grounding installation of the distribution box, and are relatively weak in terms of safety issues, and self awareness is also relatively weak (depending on the requirements of the workers on site, the security issues are often most easily ignored by such a mood). Often workers install the distribution box and are extremely easy to ignore the grounding of the distribution box shell. Although safety acceptance of safety departments exists on site, the interval time is long, and the safety of electricity is easy to occur in the time period, such as: the misaccess of the distribution box leads to the electrification of the distribution box shell and the probability of suffering from lightning strike and other safety accidents in thunderstorm weather, so that potential safety hazards are buried, such as:

1. the safe power utilization of the distribution box is convenient, the field construction is complicated, the field access lines are more, the line problems are caused, the line of the constant current power supply device is in virtual connection, the copper wires are exposed, the access terminals are exposed, the shell is electrified, and the electric shock casualties are easily caused;

2. the distribution box is mainly used for supplying power to mobile equipment on site, line damage and loose connecting terminal ports are inevitably caused in moving, more importantly, the distribution box is often used for outdoor distribution operation, and damage is caused by lightning strike on probability, so that sudden power failure of electric equipment is affected and the damage is caused, and the protection of grounding is very important.

Disclosure of Invention

In order to improve a series of safety problems caused by the fact that the distribution box is not grounded, the application provides a novel movable distribution box grounding alarm.

The application provides a novel portable block terminal ground connection alarm adopts following technical scheme: the utility model provides a novel portable block terminal ground connection alarm, includes the block terminal main part, the alarm main part is installed to the side 40D aperture department of block terminal main part, install power, time control relay, warning light, resistance controller and bee calling organ in the alarm main part respectively.

Based on the technical characteristics: this warning device's fixed orifices is convenient to make, and construction is simple and simple to operate, and accessible warning light and bee calling organ send out the warning when using, will effectively remind the staff in time to install the earth connection, effectually avoided event such as casualties, equipment damage, when the block terminal main part does not take effective ground connection, resistance value will be infinitely big, and resistance controller will take the value through the instruction at this moment: when the resistance value is lower than 4 ohms, the control instruction of the resistance controller automatically exits in an open circuit state, and no voltage and no current state are generated in the whole circuit.

As a preferable scheme of the novel mobile distribution box grounding alarm, the utility model comprises the following steps: the load of the time control relay is required to be controlled to be turned on and off once every 3 seconds and is electrically connected with the warning lamp.

Based on the technical characteristics: the load is required to be controlled to be turned on and off once every 3 seconds, and the warning lamp is kept in a flickering state.

As a preferable scheme of the novel mobile distribution box grounding alarm, the utility model comprises the following steps: the resistor controller is grounded in a protection way of not more than 4 ohms and is electrically connected with the buzzer.

Based on the technical characteristics: more than 4 ohms shall automatically alarm, through the suggestion of buzzer.

As a preferable scheme of the novel mobile distribution box grounding alarm, the utility model comprises the following steps: the buzzer is provided with a protection resistor, and the protection resistor is randomly configured along with the buzzer.

Based on the technical characteristics: the protection resistor is used for carrying out short circuit or open circuit protection on the buzzer.

As a preferable scheme of the novel mobile distribution box grounding alarm, the utility model comprises the following steps: the alarm main body comprises a ground resistance controller bin, a time control relay control bin and a constant current output end bin, and the space of the ground resistance controller bin is the largest.

Based on the technical characteristics: the alarm main body is divided into three chambers, each chamber has definite functional requirements, the constant current output end chamber is specially used for supplying power to other chamber devices, the ground resistance controller chamber has large space and is specially used for entering an external ground circuit, a logic instruction can be input to ensure that the protection ground is not more than 4 ohms, the alarm is automatically started and indicated by the buzzer and the alarm lamp, the time control relay controls the chambers to be used for the time control relay, the logic command of the ground resistance controller is applied, the load requirement control is carried out once every 3 seconds, and the alarm lamp is kept in a flashing state.

As a preferable scheme of the novel mobile distribution box grounding alarm, the utility model comprises the following steps: the outside of the alarm main body is provided with a thread mouth around, and the alarm main body is fixed with the distribution box main body through the thread mouth in a threaded manner.

Based on the technical characteristics: the alarm device can be properly opened according to the size of the alarm device body, the alarm device body can be customized according to the distribution box body and other equipment needing safe grounding, and the alarm device body is fixed at the distribution box body through threads, so that the installation and the fixation are convenient.

In summary, the present utility model includes at least one of the following beneficial effects:

1. this warning device's fixed orifices is convenient to make, and construction is simple and simple to operate, and accessible warning light and bee calling organ send out the warning when using, will effectively remind the staff in time to install the earth connection, effectually avoided event such as casualties, equipment damage, when the block terminal main part does not take effective ground connection, resistance value will be infinitely big, and resistance controller will take the value through the instruction at this moment: when the resistance value is lower than 4 ohms, the control instruction of the resistance controller automatically exits in an open circuit state, and no voltage and no current state are generated in the whole circuit.

Drawings

FIG. 1 is an overall schematic of the circuit of the present utility model;

fig. 2 is a front view of the main body of the power distribution box of the present utility model;

FIG. 3 is a schematic view of the mounting position of the alarm body of the present utility model;

FIG. 4 is a schematic top view of the alarm body of the present utility model;

FIG. 5 is a schematic front view of the main body of the warning device of the present utility model;

fig. 6 is a schematic bottom view of the alarm body of the present utility model.

Reference numerals illustrate:

1. a distribution box main body; 2. an alarm main body; 21. a ground resistance controller bin; 22. a time control relay control bin; 23. constant current output end bin; 3. a power supply; 4. a time control relay; 5. a warning light; 6. a resistance controller; 7. a protection resistor; 8. a buzzer; 9. a threaded screw port.

Detailed Description

The utility model is described in further detail below with reference to fig. 1-6.

Referring to fig. 1-3, an embodiment of the present utility model is provided: the utility model provides a novel portable block terminal ground connection alarm, including block terminal main part 1, block terminal main part 1's side 40D aperture department installs alarm main part 2, install power 3 on the alarm main part 2 respectively, time control relay 4, warning light 5, resistance controller 6 and buzzer 8, time control relay 4's load requirement control is once every 3 seconds break-make, and with warning light 5 electric connection, load requirement control is once every 3 seconds break-make, keep warning light 5 in the state of flickering, resistance controller 6 protection ground connection is not more than 4 ohms, and with buzzer 8 electric connection, be greater than 4 ohms and should report to the police automatically, through the suggestion of buzzer 8, install protection resistance 7 on the buzzer 8, protection resistance 7 is arranged along with buzzer 8 is arbitrary, protection resistance 7 is used for carrying out short circuit or open circuit protection to buzzer 8, this warning device's fixed orifices is convenient to make, simple in construction and simple to operate, accessible warning light 5 and buzzer 8 send the warning, will effectively remind the staff to install the ground connection line in time, the effectual casualties of having avoided damaging events such as equipment.

Referring to fig. 4-6, the alarm main body 2 includes a ground resistor controller chamber 21, a time control relay control chamber 22 and a constant current output end chamber 23, the space of the ground resistor controller chamber 21 is the largest, the alarm main body 2 is divided into three chambers, each chamber has definite functional requirements, the constant current output end chamber 23 is specially used for supplying power to other chamber devices, the ground resistor controller chamber 21 has large space and is specially used for entering an external ground circuit, a logic instruction can be input to protect the ground circuit by not more than 4 ohms, the alarm is automatically started by more than 4 ohms, the time control relay control chamber 22 is used for the time control relay 4 and is prompted by the buzzer 8 and the alarm lamp 5, the load requirement is controlled to be on-off once every 3 seconds according to the logic command of the ground device controller, and the alarm lamp 5 is kept in a flickering state.

The outside of the alarm main body 2 is provided with the screw thread mouth 9 around, and the alarm main body 2 is fixed with the distribution box main body 1 spiro union through the screw thread mouth 9, can suitably trompil according to the size of the alarm main body 2, and the alarm main body 2 can be customized according to the distribution box main body 1 and other required safe ground's equipment, through self thread fixing in distribution box main body 1 department, easy to assemble and fixed.

Working principle: when the main body 1 of the distribution box does not take an effective ground, the resistance value will be infinitely large, and the resistance controller 6 will take the value by instruction at this moment: when the resistance value is effectively controlled to be lower than 4 ohms, the control instruction of the resistance controller 6 automatically exits in an open circuit state, and no voltage and no current are generated in the whole circuit.

The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.

Claims (6)

1. Novel portable block terminal ground connection alarm, including block terminal main part (1), its characterized in that: the power distribution box is characterized in that an alarm main body (2) is arranged at the aperture of the side 40D of the power distribution box main body (1), and a power supply (3), a time control relay (4), an alarm lamp (5), a resistance controller (6) and a buzzer (8) are respectively arranged on the alarm main body (2).

2. The novel portable electrical distribution box grounding alarm of claim 1, wherein: the load of the time control relay (4) is required to be controlled to be turned on and off once every 3 seconds and is electrically connected with the warning lamp (5).

3. The novel portable electrical distribution box grounding alarm of claim 1, wherein: the resistor controller (6) is grounded in a protection way of not more than 4 ohms and is electrically connected with the buzzer (8).

4. The novel portable electrical distribution box grounding alarm of claim 1, wherein: the buzzer (8) is provided with a protection resistor (7), and the protection resistor (7) is randomly configured along with the buzzer (8).

5. The novel portable electrical distribution box grounding alarm of claim 1, wherein: the alarm main body (2) comprises a ground resistance controller bin (21), a time control relay control bin (22) and a constant current output end bin (23), and the ground resistance controller bin (21) has the largest space.

6. The novel portable electrical distribution box grounding alarm of claim 1, wherein: the periphery of the outer part of the alarm main body (2) is provided with a threaded screw hole (9), and the alarm main body (2) is fixedly connected with the distribution box main body (1) in a threaded manner through the threaded screw hole (9).