Construction power supply device

Abstract

The utility model discloses a construction power supply device, which comprises a power box, an inlet wire aviation pinching head and an outlet wire aviation pinching head, the inlet wire aviation pinching head and the outlet wire aviation pinching head are arranged on a side plate of the power box, and a power inlet wire bus, outlet leads of branches and a single chip microcomputer are mounted in the power box. One end of each branch outlet lead is provided with a switch and is electrically connected with the power supply inlet bus, and the other end of each branch outlet lead is electrically connected with the outlet aviation pinching head; the wire inlet end of the power supply wire inlet bus is electrically connected with the wire inlet aviation pinching head; a first signal input port of the single chip microcomputer is electrically connected with a voltage transformer used for detecting the voltage of a power supply incoming line bus, a second signal input port of the single chip microcomputer is electrically connected with a current transformer used for detecting the current of each branch outgoing line lead, the current transformers are arranged on each branch outgoing line lead, and a first control output end of the single chip microcomputer is electrically connected with the switch.

Description

Technical Field

[0001] The utility model relates to a power supply device, in particular to a construction power supply device. Background Art

[0002] In large-scale construction sites such as building installation, industrial installation, and electrical installation, currently, a box body is mainly set at the main switch end, the main switch is installed in the box body, and then through a circuit breaker and wires fixedly connected to the circuit breaker, the wires are led out from the box body to each branch power consumption end. However, the box body only cuts off the power when leakage occurs at each branch power consumption end, lacking safety. Moreover, the wires of each branch are all passed into the box body and fixedly connected to the circuit breaker, and the electrical circuits at the outgoing end and the incoming end are relatively disordered in contact, also lacking safety. Content of the Utility Model

[0003] The purpose of the utility model is to provide a construction power supply device with safer power consumption.

[0004] The construction power supply device described in the utility model includes a power supply box, an incoming line aviation connector and an outgoing line aviation connector on the side plate of the power supply box body, a power supply incoming line busbar, outgoing line leads for each branch and a single-chip microcomputer installed in the power supply box; one end of each outgoing line lead for each branch is provided with a switch and is electrically connected to the power supply incoming line busbar, and the other end is electrically connected to the outgoing line aviation connector; the incoming end of the power supply incoming line busbar is electrically connected to the incoming line aviation connector; the first signal input port of the single-chip microcomputer is electrically connected to a voltage transformer for detecting the voltage of the power supply incoming line busbar, the second signal input port is electrically connected to a current transformer for detecting the current of each outgoing line lead for each branch, the current transformer is arranged on each outgoing line lead for each branch, and the first control output end is electrically connected to the switch.

[0005] The construction power supply device described in the utility model can respectively detect the voltage and current inside the power supply box through the voltage transformer on the power supply incoming line busbar in the power supply box and the current transformer of the current of each outgoing line lead for each branch. The single-chip microcomputer controls the disconnection of the switch, so as to provide safer protection and safer power consumption; in addition, the incoming line aviation connector and the outgoing line aviation connector on the side plate of the power supply box body are used for wiring, which is more convenient, and the electrical circuits at the outgoing end and the incoming end are more neat and not easy to be wound together, thus further improving the safety of power consumption.

[0006] As a preferred scheme of the utility model, the voltage transformer is arranged on the power supply incoming line busbar.

[0007] As a preferred embodiment of the present utility model, a temperature sensor for detecting the internal temperature of the power supply box is provided inside the power supply box. The signal output end of the temperature sensor is electrically connected to the third signal input port of the single-chip microcomputer, and the second control output end of the single-chip microcomputer is electrically connected to an alarm device installed on the power supply box.

[0008] As a preferred embodiment of the present utility model, a voltage indicator light is provided on the power supply box near the incoming line aviation connector and the outgoing line aviation connector.

[0009] As a preferred embodiment of the present utility model, support feet are provided at the bottom of the power supply box.

[0010] As a preferred embodiment of the present utility model, a power application QR code is provided on the door panel of the power supply box.

[0011] As a preferred embodiment of the present utility model, a bus switch is provided on the power supply incoming bus. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 is a side view of the power supply box of the present utility model;

[0013] Figure 2 is a front view of the power supply box of the present utility model;

[0014] Figure 3 is a schematic diagram of the internal circuit of the power supply box of the present utility model;

[0015] Figure 4 is another schematic diagram of the internal circuit of the power supply box of the present utility model. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0016] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the drawings. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0017] In the present utility model, it should be noted that if there are directional indications (such as up, down, left, right, front, back, top, bottom, inside, outside, vertical, horizontal, longitudinal, counterclockwise, clockwise, circumferential, radial, axial...) involved in the embodiments of the present utility model, then the directional indications are only used to explain the relative position relationship and movement conditions between components in a certain specific posture (as shown in the drawings). If the specific posture changes, then the directional indications will also change accordingly.

[0018] A construction power supply device, such as Figure 1 -Figure 4 As shown in the figure, it includes a power supply box 1, an incoming line aviation connector 2 and an outgoing line aviation connector 3 on the side plate of the power supply box body, a power supply incoming line bus 4, each branch outgoing line lead 5 and a single-chip microcomputer 6 installed in the power supply box; one end of each branch outgoing line lead is provided with a switch 7. The switch 7 can adopt a relay switch and is electrically connected to the power supply incoming line bus, and the other end is electrically connected to the outgoing line aviation connector; the incoming line end of the power supply incoming line bus is electrically connected to the incoming line aviation connector; the first signal input port of the single-chip microcomputer is electrically connected to a voltage transformer 8 for detecting the voltage of the power supply incoming line bus, the second signal input port is electrically connected to a current transformer 9 for detecting the current of each branch outgoing line lead. The current transformer is arranged on each branch outgoing line lead, and the first control output end is electrically connected to the switch.

[0019] Four support feet 12 are provided at the bottom of the power supply box. The power supply box can be better supported through the four support feet, and it does not need to be installed on the wall. It can adapt to various different construction sites and has a wider application.

[0020] A QR code for electricity application 13 is set outside the door of the power supply box, which facilitates the management of electricity consumption requirements. In addition, a voltage indicator light 11 is installed outside the power supply box near the incoming line aviation connector and the outgoing line aviation connector, which is convenient for observing the voltage of each branch.

[0021] The power supply incoming line bus is a 380V integrated bus bar. Four wires in the integrated bus bar are connected to the bus bar switch 14 and then electrically connected to the incoming line aviation connector 2. The incoming line aviation connector 2 is a five-pin aviation plug, and one pin is connected to the ground wire. Each branch outgoing line lead includes a 380V outgoing line lead and a 220V outgoing line lead. The output end of the 380V outgoing line lead is electrically connected to the five-pin outgoing line aviation connector, and one of the five pins of the five-pin outgoing line aviation connector is connected to the ground wire; the output end of the 220V outgoing line lead is electrically connected to the three-pin outgoing line aviation connector, and one of the three pins of the three-pin outgoing line aviation connector is connected to the ground wire.

[0022] The voltage transformer adopted is a voltage transformer with a 4 - 20mA output, and its detection end is electrically connected to the power supply incoming line bus. The current transformer adopted is a current transformer with a 4 - 20mA output, and the detection end of each current transformer is electrically connected to its respective branch outgoing line lead.

[0023] A temperature sensor 10 for detecting the internal temperature of the power supply box is arranged in the power supply box. The signal output end of the temperature sensor is electrically connected to the third signal input port of the single-chip microcomputer, and the second control output end of the single-chip microcomputer is electrically connected to an alarm device installed on the power supply box. The internal temperature of the power supply box is detected by the temperature sensor and an alarm is given by the alarm device, thereby further improving the safety of electricity use.

[0024] The above embodiments are only used to illustrate the detailed solutions of the present utility model. The present utility model is not limited to the above detailed solutions, that is, it does not mean that the present utility model must rely on the above detailed solutions to be implemented. Those skilled in the art should understand that any improvement to the present utility model, the equivalent substitution of each raw material of the product of the present utility model, the addition of auxiliary components, the selection of specific methods, etc. all fall within the protection scope and the disclosure scope of the present utility model.

Claims

1. A construction power supply device, characterized in that: It comprises a power supply box (1), an incoming line aviation clamp (2) and an outgoing line aviation clamp (3) on the side panel of the power supply box, and a power incoming line busbar (4), outgoing line leads of each branch (5) and a single-chip microcomputer (6) are installed in the power supply box; One end of each branch outgoing lead is provided with a switch (7) and is electrically connected to the power supply incoming busbar, and the other end is electrically connected to the outgoing aviation terminal; The incoming end of the power incoming busbar is electrically connected to the incoming aviation terminal; The first signal input port of the single chip microcomputer is electrically connected to a voltage transformer (8) for detecting the voltage of the power supply incoming busbar, the second signal input port is electrically connected to a current transformer (9) for detecting the current of each branch outgoing lead, the current transformer is arranged on each branch outgoing lead, and the first control output terminal is electrically connected to the switch.

2. The construction power supply device according to claim 1, characterized in that: The voltage transformer (8) is arranged on the power supply incoming busbar.

3. The construction power supply device according to claim 1, characterized in that: A temperature sensor (10) for detecting the internal temperature of the power box is arranged in the power box, a signal output end of the temperature sensor is electrically connected to the third signal input port of the single chip computer, and a second control output end of the single chip computer is electrically connected to an alarm device installed on the power box.

4. The construction power supply device according to claim 1, characterized in that: A voltage indicator light (11) is provided on the power box near the incoming line aviation pinch connector and the outgoing line aviation pinch connector.

5. The construction power supply device according to claim 1, characterized in that: Support feet (12) are provided at the bottom of the power box.

6. The construction power supply device according to claim 1, characterized in that: A power application QR code (13) is provided on the door panel of the power box.

7. The construction power supply device according to claim 1, characterized in that: A bus switch (14) is provided on the power supply incoming bus.

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