CN105356335A - Intelligent electric power control box - Google Patents

Abstract

The invention relates to an intelligent electric power control box, which comprises a box body, on which a box door is hinged, and the bottom of the box body is provided with a main line and a branch line inlet and outlet hole, and the inner wall of the box body is provided with a thermal insulation interlayer, and the box body is far away from the There is a mounting seat on one side of the inner wall and the bottom of the door, and a cavity is provided in the mounting seat, and a heating device is fixed in the cavity. The main switch, branch switch, circuit breaker, contactor, voltmeter, etc. are installed on the mounting seat. A controller, a relay, a temperature sensor, a communication device and a storage battery, and an alarm device is arranged on the top of the box. The present invention controls and adjusts the temperature of the box body by sealing the box body of the control box and combining with the heating device, so as to ensure that the control box can work normally at low temperature. Realize the remote deployment of electric power, solve the work problem of station deployment in some areas and specific fields, and bring great convenience to the relevant staff.

Description

An intelligent power control box

technical field

The invention relates to the field of power control boxes, in particular to an intelligent power control box.

Background technique

The control box is widely used in factories, mines, enterprises, shopping malls, hotels, schools, airports, ports, hospitals, high-rise buildings, living quarters, etc., in low-voltage power grid systems with AC 50HZ and rated working voltage of AC 380V, as power and lighting distribution It is suitable for indoor wall-mounted and outdoor floor-mounted power distribution equipment. It is also used in AC 50HZ, voltage below 500V power system as fire pump control, submersible pump control, fire fan control, fan control, lighting distribution control, etc. The control methods include direct start control, star delta step-down start control, self-coupling Various control methods such as step-down start control, inverter start control, soft start control, etc.

Unlike many electrical equipment that will generate a lot of heat during work, the control box generates relatively little heat during operation, so you don’t need to think too much about its heat dissipation. The operating temperature of most control boxes in use today is -5 Between ℃-40℃, however, in most parts of our country in winter, the temperature will drop below 0℃, especially in the north, where the temperature is very low in winter, and the low temperature environment lasts for a long time, and the low temperature seriously affects the normal operation of the control box work and service life. In addition, in low-temperature, rainy and snowy weather, the deployment of power becomes more difficult. The inability to perform remote power distribution has become a drawback of traditional control boxes. For this reason, we propose an intelligent power control box.

Contents of the invention

The object of the present invention is to propose an intelligent power control box in order to solve the background technology.

In order to achieve the above object, the present invention adopts the following technical solutions:

An intelligent power control box, comprising a box body, a box door is hinged on the box body, the bottom of the box body is provided with a main line and a branch line inlet and outlet hole, and the inner wall of the box body is provided with a thermal insulation interlayer. A mounting seat is provided on the inner wall and bottom of the box body away from the box door, and a cavity is provided in the mounting seat, a heating device is fixed in the cavity, and a main switch, a branch switch, circuit breaker, contactor, voltmeter, controller, relay, temperature sensor, communication device and battery, the top of the box is provided with an alarm device; the main switch is electrically connected to the branch switch, and the heating device is connected to the relay Electrically connected, the sub-switches, contactors, relays, temperature sensors, communication devices and alarm devices are all electrically connected to the controller, the controller is electrically connected to the battery, the main switch, circuit breaker, contactor, voltage Both the meter and the storage battery are electrically connected to the main line.

On the basis of above-mentioned technical scheme, can have following further technical scheme:

The box body and the box door are made of iron, and the surface is sprayed with anti-corrosion paint, and the back of the box body is provided with installation holes.

The inlet and outlet of the main line and the branch line are sealed by sealing rings.

The thermal insulation interlayer is made of ceramic fiber material.

The controller includes a communication unit, the communication unit includes a signal transmitting module and a signal receiving module, and communicates with a remote control center through a communication device.

The relay and the heating device form a program control circuit to realize automatic operation

The heating device is a loop formed by a plurality of electric heating wires connected in parallel on a wire.

The contactor can not only connect and cut off the circuit, but also has the function of low voltage release protection, the contactor has a large control capacity, and is suitable for frequent operation and remote control.

The present invention controls and adjusts the temperature of the box body by sealing the box body of the control box and combining with the heating device, so as to ensure that the control box can work normally at low temperature. At the same time, the self-alarm system provided by the device can prevent When a power accident occurs, if it is not discovered and dealt with in time, it will cause casualties and property losses. In addition, the power management personnel can use the built-in control device to remotely control it and realize the remote deployment of power, which solves the problem in some areas and The work problem of station deployment in a specific field has brought great convenience to the relevant staff.

Description of drawings

Fig. 1 is the front side structure schematic diagram of a kind of intelligent power control box that the present invention proposes;

Fig. 2 is the exploded schematic diagram of a kind of intelligent power control box that the present invention proposes;

Fig. 3 is a working principle diagram of an intelligent power control box proposed by the present invention.

1 box body, 2 box door, 3 insulation interlayer, 4 mounting base, 5 main switch, 6 branch switch, 7 circuit breaker, 8 contactor, 9 voltmeter, 10 controller, 11 relay, 12 temperature sensor, 13 communication device, 14 accumulators, 15 alarm devices, 16 heating devices.

detailed description

The present invention will be further described below in conjunction with specific embodiments.

Referring to Figure 1-3, an intelligent electric control box includes a box body 1, and a box door 2 is hinged on the box body 1. The box body 1 and the box door 2 are made of iron, and the surface is sprayed with anti-corrosion paint. Ice and snow melt, easy to corrode the iron box, spray paint to prevent corrosion, prolong the life of the device, the back of the box 1 is provided with mounting holes for fixing the equipment, and the bottom of the box 1 is provided with inlet and outlet holes for main lines and branch lines. And the inlet and outlet holes are sealed by sealing rings. The inner wall of the box body 1 is provided with an insulation interlayer 3. The insulation interlayer 3 is made of ceramic fiber material. Ceramic fiber is widely used, and the material is easy to obtain, and can play a good heat preservation effect. A mounting seat 4 is provided on the inner wall and bottom of the box body 1 away from the box door 2. A cavity is provided in the mounting seat 4, and a heating device 16 is fixed in the cavity. The heating device 16 is connected in parallel by a plurality of electric heating wires. The loop formed on the wire, after the wire is energized, the heating wire generates heat to keep the temperature in the box. The mounting base 4 is equipped with a main switch 5, a branch switch 6, a circuit breaker 7, a contactor 8, a voltmeter 9, and a controller 10. A relay 11 , a temperature sensor 12 , a communication device 13 and a storage battery 14 , and an alarm device 15 is provided on the top of the box body 1 .

Circuit breaker 7, contactor 8 and main switch 5 are connected in series on the main line in sequence, voltmeter 9 and battery 14 are connected in parallel on the main line, and circuit breaker 7 can automatically cut off the circuit when serious overload or short circuit or undervoltage occurs in the circuit. To protect the circuit, the contactor 8 can not only connect and cut off the circuit, but also has the function of low voltage release protection. The contactor 8 has a large control capacity, which is suitable for frequent operation and remote control. The voltmeter 9 shows the voltage on the main line, which is convenient for maintenance When the work is carried out, the storage battery 14 is connected with a controller 10, and the controller 10 controls the branch switch 6, the contactor 8, the relay 11, the temperature sensor 12, and the alarm device 15, and the temperature sensor 12 collects the temperature in the box 1 in real time. information, and send it to a controller 10, the controller 10 judges whether to start or stop the heating device 16 through the relay 11 according to the initial setting information, and controls the temperature in the control box, and the relay 11 and the heating device 16 form a program control line, so as to realize automatic operation, the controller 10 includes a communication unit, and the communication unit includes a signal transmitting module and a signal receiving module, and communicates with a remote control center through a communication device 13 for data exchange with the controller 10 Transmission, the remote control center tracks the working temperature information in the device, and at the same time, the remote control center can send instruction information to the controller 10 through the communication device 13 to perform remote power distribution of branch circuits.

In addition, if a power failure occurs in the cabinet 1, the controller 10 will immediately control the contactor 8 to close the main switch 5, and if there is a fire in the cabinet, the independent circuit formed by the storage battery 14 will not stop working immediately, and the control The device 10 will automatically send the alarm information and geographical location information sent by the alarm device 15 to the power management agency, and the relevant emergency repair personnel will rush to the accident scene in time for processing. In addition, the alarm sound of the alarm device 15 can also attract the attention of passers-by, remind them to stay away, and prevent danger from happening.

The above is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto, any person familiar with the technical field within the technical scope disclosed in the present invention, according to the technical solution of the present invention Any equivalent replacement or change of the inventive concepts thereof shall fall within the protection scope of the present invention.

Claims (8)

1. An intelligent power control box, including a box body (1), characterized in that: the box body (1) is hinged with a box door (2), and the bottom of the box body (1) is provided with a main line and a branch line The inlet and outlet holes, and the inner wall of the box (1) is provided with an insulating interlayer (3), and the inner wall and bottom of the box (1) away from the box door (2) are provided with a mounting seat (4), The mounting seat (4) is provided with a cavity, and a heating device (16) is fixed in the cavity, and a main switch (5), a branch switch (6), and a circuit breaker are installed on the mounting seat (4). (7), contactor (8), voltmeter (9), controller (10), relay (11), temperature sensor (12), communication device (13) and battery (14), the box ( The top of 1) is provided with an alarm device (15); the main switch (5) is electrically connected to the sub-switch (6), the heating device (16) is electrically connected to the relay (11), and the sub-switch (6) , contactor (8), relay (11), temperature sensor (12), communication device (13) and alarm device (15) are all electrically connected with the controller (10), and the controller (10) is connected with the storage battery ( 14) Electrical connection, the main switch (5), circuit breaker (7), contactor (8), voltmeter (9) and storage battery (14) are all electrically connected to the main line. 2. An intelligent power control box according to claim 1, characterized in that: the box body (1) and the box door (2) are made of iron, and the surface is sprayed with anti-corrosion paint, and the box body ( 1) There are mounting holes on the back. 3. An intelligent power control box according to claim 1, characterized in that: the inlet and outlet of the main line and the branch line are sealed by sealing rings. 4. An intelligent electric control box according to claim 1, characterized in that: the insulation interlayer (3) is made of ceramic fiber material. 5. An intelligent power control box according to claim 1, characterized in that: the controller (10) includes a communication unit, the communication unit includes a signal transmitting module and a signal receiving module, and the communication device (13 ) to communicate with the remote control center. 6. An intelligent power control box according to claim 1, characterized in that: the heating device (16) is a loop formed by a plurality of electric heating wires connected in parallel on one wire. 7. An intelligent power control box according to claim 1, characterized in that: the relay (11) and the heating device (16) form a program control circuit, thereby realizing automatic operation. 8. An intelligent power control box according to claim 1, characterized in that: the contactor (8) can not only connect and cut off the circuit, but also has the function of low voltage release protection, the contactor has a large control capacity, Suitable for frequent operation and remote control.