CN217882341U - Integrated form overhauls power supply box - Google Patents

Abstract

The utility model relates to the field of electric equipment, in particular to an integrated maintenance power supply box; it solves the problems that the existing power supply box has a large volume and does not have protection and waterproof; it includes a box body, a cover body that can be closed and a handle on the cover body 3. It is characterized in that: one of the sides of the box is equipped with a power inlet and an air switch arranged up and down and connected by a circuit, and three sides of the box are installed with a power interface arranged up and down and connected by a circuit. Connected air switches and several electrical outlets, the four air switches are all connected to the isolation knife switch inside the box through a circuit. The device adopts the integrated power box structure, which meets the safety performance requirements, has the function of anti-mistake, can effectively lock the power safely, and can automatically cut off the power supply in case of overvoltage and overcurrent.

Description

An integrated maintenance power box

technical field

The utility model relates to the field of electric equipment, in particular to an integrated maintenance power supply box.

Background technique

The power box is the control center that directs the various components in the power supply line to distribute power reasonably. It is the control link that reliably receives the upper-end power supply and correctly feeds out the load power. It is also the key to obtain whether the user is satisfied with the power supply quality. Improving the operational reliability of the power supply box is the goal of creating high-quality projects.

Power supply box is generally assembled in closed or semiclosed metal safe by electrical wiring requirement by switchgear, measuring instrument, protective device and auxiliary equipment or on screen width, forms low-voltage power supply box. During normal operation, the circuit can be connected or disconnected by means of a manual or automatic switch. Cut off the circuit or alarm with the help of protective electrical appliances in case of failure or abnormal operation. Various parameters in operation can be displayed by means of measuring instruments, and some electrical parameters can also be adjusted to prompt or send out signals for deviations from normal working conditions.

The purpose of the power box is to distribute electric energy reasonably and facilitate the opening and closing operation of the circuit. It has a high level of safety protection and can intuitively display the conduction state of the circuit. At present, the power boxes used on the job site all meet the requirements of "one machine, one gate, one protection", but they are bulky and do not have the functions of fire prevention and waterproof.

Utility model content

The utility model provides an integrated maintenance power supply box, which effectively solves the problems that the existing power supply box has a large volume and does not have protection and waterproof. The device adopts the integrated power supply box structure, meets the safety performance requirements, and has the function of preventing errors , can effectively lock the safety, and can automatically cut off the power supply in case of overvoltage and overcurrent.

In order to achieve the above object, the technical scheme adopted by the utility model is specifically as follows:

An integrated overhaul power supply box, including a box body 1, a closeable cover body 2 and a handle 3 on the cover body 2, characterized in that: one of the sides of the box body 1 is installed with a vertically arranged The power inlet interface 4 and the air switch 7 connected by the circuit, the air switch 7 and the power outlet interface 6 arranged up and down and connected by the circuit are installed on three sides of the box body 1, the four air switches 7 All communicate with the isolation knife switch 8 inside the box body 1 through a circuit.

An LCD digital display screen 5 is arranged on the box body 1 on the side of the power inlet interface 4 .

The electrical outlet interface 6 is in AC output mode.

The air switch 7 adopts an air switch with leakage protection.

The isolation knife switch 8 adopts a special visible knife switch.

An undervoltage current limiting protection device 9 is installed at the power inlet port 4 inside the box body 1 .

The power inlet interface 4 and the power outlet interface 6 adopt plug-in industrial quick docking plugs.

The beneficial effects of the utility model are as follows: 1) The safety and reliability of working power supply on the maintenance site are improved. After many times of actual application on site, the power box can effectively improve the various power consumption requirements of the on-site maintenance power supply, and meet the requirements of the "State Grid Corporation of Electricity Safety Work Regulations", with waterproof and dustproof; and each switch, socket The spacer and protection with visible breakpoints meet the requirements of three-phase machinery and the electrical circuit of electric tools should be equipped with separate switches or sockets, and the shell should be grounded; electric tools should have the function of "one machine, one gate, one protection", which can assist maintenance The personnel are safe, reliable and high-quality to complete the corresponding maintenance work.

2) The power supply box of this application has complete functions, reasonable design, simple operation, convenient use, high safety performance, and has reliable promotion and application value.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is a front view of the utility model;

Fig. 3 is a schematic diagram of the internal structure of the utility model;

As shown in the figure: box body 1, cover body 2, handle 3, power inlet port 4, LCD digital display 5, power outlet port 6, air switch 7, isolation knife switch 8, undervoltage current limiting protection device 9.

Detailed ways

Below in conjunction with accompanying drawing and further illustrate the technical scheme of the utility model by specific embodiment:

Example 1

As shown in Figure 1-3, the utility model provides an integrated maintenance power supply box, including box body 1, cover body 2, handle 3, power inlet interface 4, LCD digital display 5, power outlet interface 6, The air switch 7, the isolation knife switch 8 and the undervoltage current limiting protection device 9 are specifically installed as follows: the power inlet 4, the LCD digital display 5 and the air switch 7 are installed on one side wall of the cabinet, and the outlets are installed on the other three side walls. Electrical interface 6 and air switch 7. The circuit connection is realized through the isolation knife switch 8 inside the box body, and the power inlet interface 6 is protected by an undervoltage current limiting protection device 9 .

The box body 1 is provided with a cover body 2, and a handle 3 is arranged on it, the volume is 45*45*45cm, the volume is small, and it is convenient to carry.

Both the power-in interface 4 and the power-out interface 6 adopt industrial fast docking plugs, which are characterized by small size, firm wiring and rainproof function.

The LCD digital display 5 is used to monitor the load condition, and the screen size is ≤5 inches, which can correctly display the load condition with an error of ≤±2%.

The air switch 7 adopts an air switch with leakage protection, which has high reliability, large breaking current, and the correct rate of overcurrent test actions is ≥99%.

Isolation knife switch 8 selects a special visible knife switch, and the special visible knife switch has an obvious disconnection point, and the correct rate of on-off test is ≥99%. And it has the characteristics of small size, can clearly observe the position of the knife switch and simple wiring.

The undervoltage current limiting protection device 9 is installed on the power inlet port 4 . The size of the overvoltage and undervoltage current limiting protection device is ≤500 cubic centimeters, and the correct rate of overcurrent test action is ≥99%.

The whole device has small size, easy to carry, simple operation, high reliability and can meet most of the field operation conditions, and the equipment has good heat resistance, corrosion resistance and insulation, high mechanical strength, etc., and has a high promotional use value.

It is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, no matter from all points of view, the embodiments should be regarded as exemplary and non-restrictive, and the scope of the present invention is defined by the appended claims rather than the above description, so it is intended to fall within the scope of the claims All changes within the meaning and range of equivalents of the required elements are included in the present invention. Any reference sign in a claim should not be construed as limiting the claim concerned.

In addition, it should be understood that although this specification is described according to implementation modes, not each implementation mode only contains an independent technical solution, and this description in the specification is only for clarity, and those skilled in the art should take the specification as a whole , the technical solutions in the various embodiments can also be properly combined to form other implementations that can be understood by those skilled in the art.

Claims (7)

1. The utility model provides an integrated form overhauls power supply box, includes the box, handle on can closed lid and the lid, its characterized in that: one of them side-mounting of box has to be and arranges from top to bottom and through circuit connection's the interface and the air switch that advance, one of them three side-mounting of box has to be and arranges from top to bottom and through circuit connection's air switch and a plurality of play electrical interface, four air switches all communicate with isolation switch through the circuit inside the box.

2. An integrated service power supply box as claimed in claim 1, wherein: and an LCD digital display screen is arranged on the box body of the power input interface surface.

3. An integrated service power supply box as claimed in claim 1, wherein: the power-off interface is in an alternating current output mode.

4. An integrated service power supply box as claimed in claim 1, wherein: the air switch adopts an air switch with electric leakage protection.

5. An integrated service power supply box as claimed in claim 1, wherein: the isolation switch adopts a visual special switch.

6. An integrated service power supply box as claimed in claim 1, wherein: and an under-voltage current-limiting protection device is arranged at the position of the power inlet interface in the box body.

7. An integrated service power supply box as claimed in claim 1, wherein: the power inlet interface and the power outlet interface adopt a plug-in industrial quick butt joint plug.

Images