CN106025856A - High temperature prevention distribution box - Google Patents

Abstract

The invention discloses an anti-high temperature distribution box, comprising a distribution box body and an anti-high temperature alarm. The upper surface of the body, the side wall of the distribution box is provided with a cooling fan, the lower surface of the distribution box is fixedly connected with a support plate through a screw A, and the bottom of the support plate is fixedly connected with a screw B Support bar, described anti-high temperature alarm includes single-chip microcomputer, temperature sensor, memory and GPRS communication module, and described single-chip microcomputer is electrically connected with described cooling fan, current detection circuit, temperature sensor, memory, sound and light alarm and GPRS communication module respectively . The invention has the advantages of: a high-temperature-proof power distribution box has a simple structure, is convenient to install and use, can avoid dangerous situations caused by overloading of power lines or rising ambient temperature, and ensures power supply safety.

Description

A kind of anti-high temperature distribution box

technical field

The invention relates to the field of power systems, in particular to a high temperature resistant distribution box.

Background technique

Electricity is the main energy source for economic construction and people's life, and ensuring the safety of power supply is the primary task of power system power supply, which is of great significance. The low-voltage electrical appliances in the distribution box are composed of fuses, AC contactors, residual current action protectors, capacitors and meters. The upper limit of the ambient air temperature shall not exceed 40°C, the average value of the ambient air temperature within 24 hours shall not exceed 35°C, and the lower limit of the ambient air temperature shall not be lower than -5°C or -25°C.

During the power supply process of the power system, the power lines in the distribution box are in the working state for a long time. It is inevitable that the line will fail due to heating or aging. In severe cases, it may cause a major fire accident, thus affecting the power supply safety of the power system.

Contents of the invention

The technical problem to be solved by the present invention is to provide a high temperature resistant power distribution box capable of real-time detection of temperature and cooling.

In order to solve the above technical problems, the technical solution of the present invention is: a high-temperature-proof power distribution box, the innovation point of which is that it includes a power-distribution box and a high-temperature-proof alarm, and the power distribution box is connected with a power distribution The box door, the anti-high temperature alarm is arranged on the upper surface of the distribution box, and the side wall of the distribution box is provided with a cooling fan for cooling the equipment in the distribution box. The lower surface of the body is fixedly connected with a support plate through screw A, and the support rod is fixedly connected with the lower part of the support plate through screw B. The lower surface of the distribution box body is provided with a wire hole penetrating with the support rod. The side wall of the rod is provided with a threading hole for leading out wires;

The anti-high temperature alarm includes a single-chip microcomputer, a current detection circuit for detecting the current of the power line, a temperature sensor for detecting the temperature in the power distribution box, an audible and visual alarm capable of issuing an alarm, and is used to store the number and number of the audible and visual alarm. location, the mobile phone number of the relevant staff and the memory of the set current value and temperature value and the GPRS communication module for sending the received alarm information to the mobile phone of the relevant staff through the mobile communication network. The above cooling fan, current detection circuit, temperature sensor, memory, sound and light alarm and GPRS communication module are electrically connected.

Further, there are two support rods, namely an upper support rod and a lower support rod. The upper support rod is a hollow structure and is sleeved on the lower support rod and fixedly connected by screws C.

Further, the upper end of the lower supporting rod is provided with a ring of eaves.

The advantages of the present invention are:

(1) An anti-high temperature distribution box with simple structure and convenient installation and use, which can avoid dangerous situations caused by overloading of power lines or rising ambient temperature, and ensure the safety of power supply.

(2) There are two support rods, namely the upper support rod and the lower support rod. The upper support rod is a hollow structure and is sleeved on the lower support rod and fixedly connected by screws. The configuration can be adjusted according to the needs of the site. The height of the electrical box.

(3) A ring of eaves is provided on the upper end of the lower support rod, which is convenient for taking out the internal support rod.

Description of drawings

The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

Fig. 1 is a schematic structural diagram of a high temperature resistant distribution box according to the present invention.

Fig. 2 is a functional block diagram of a high temperature resistant distribution box of the present invention.

detailed description

The following examples can enable those skilled in the art to understand the present invention more comprehensively, but the present invention is not limited to the scope of the described examples.

As shown in Figures 1 to 2, a high-temperature-proof distribution box includes a distribution box 1 and a high-temperature alarm 2. The distribution box 1 is connected to a distribution box door 3 through a hinge, and the high-temperature alarm 2 Set on the upper surface of the distribution box 1, the side wall of the distribution box 1 is provided with a cooling fan 4 for cooling the equipment in the distribution box 1, and the lower surface of the distribution box 1 passes through Screw A5 is fixedly connected with support plate 6, and the bottom of support plate 6 is fixedly connected with support rod by screw B, and there are two support rods, which are respectively upper support rod 7 and lower support rod 8, and upper support rod 7 is a hollow structure and covers Set on the lower support rod 8 and fixedly connected by screw C9, the upper end of the lower support rod 8 is provided with a ring eaves 10, the lower surface of the power distribution box 1 is provided with a wire hole through the support rod, on the side wall of the support rod There are threading holes for leading out wires.

The anti-high temperature alarm 2 includes a single-chip microcomputer 11, a current detection circuit 12 for detecting the power line current, a temperature sensor 13 for detecting the temperature in the distribution box 1, an acousto-optic alarm 14 capable of sounding an alarm, and a sound-light alarm for storing The serial number and the location of the alarm, the mobile phone number of the relevant staff and the memory 15 of the set current value and temperature value and the GPRS communication module 16 for sending the alarm information received to the mobile phone of the relevant staff through the mobile communication network , the single chip microcomputer 11 is electrically connected with the cooling fan 4, the current detection circuit 12, the temperature sensor 13, the memory 15, the sound and light alarm 14 and the GPRS communication module 16 respectively.

When installing the anti-high temperature distribution box, the two support rods are fixedly connected by screw C9, and then the support plate 6 is fixedly connected by screw B, and the distribution box body 1 is fixedly connected by screw A5 above the support plate 6, and the wire passes through The threading hole on the side wall of the support rod enters the distribution box through the support rod and the wire hole, and the wires in the distribution box can also be drawn out through the wire hole and the wire hole. Alarm 2, cooling fan 4 is installed on the side wall of distribution box 1.

During use, the current detection circuit 12 detects the current value passing through the power line in real time and sends it to the single-chip microcomputer. The temperature sensor 13 detects the temperature value of the power line in real time and sends it to the single-chip microcomputer 11. After the single-chip microcomputer 11 receives the current value passing through the power line and the temperature value of the power line Firstly, the received current value and temperature value are compared with the current setting threshold and the temperature setting threshold stored in the memory 15 respectively. When any measured data is greater than the corresponding setting threshold, the single-chip microcomputer controls the cooling fan to start working. The power lines and other equipment in the power distribution box 1 are cooled to ensure the safety of power supply. At the same time, the single-chip microcomputer 11 controls the sound and light alarm 14 to give an alarm through sound and light effects. Sent to the mobile phones of relevant staff members, these alarm messages can be stored in the memory 15 connected with the single-chip microcomputer 11.

The basic principles and main features of the present invention have been shown and described above. Those skilled in the industry should understand that the present invention is not limited by the above-mentioned embodiments. What are described in the above-mentioned embodiments and the description only illustrate the principle of the present invention. Without departing from the spirit and scope of the present invention, the present invention will also have Variations and improvements all fall within the scope of the claimed invention. The protection scope of the present invention is defined by the appended claims and their equivalents.

Claims (3)

1. An anti-high temperature distribution box, characterized in that: it includes a distribution box and an anti-high temperature alarm, the distribution box is connected to a distribution box door through a hinge, and the anti-high temperature alarm is arranged in the distribution box The upper surface of the electrical box, the side wall of the distribution box is provided with a cooling fan for cooling the equipment in the distribution box, and the lower surface of the distribution box is fixedly connected with a support plate by screws A , the lower side of the support plate is fixedly connected with a support rod through a screw B, the lower surface of the distribution box is provided with a wire hole penetrating with the support rod, and the side wall of the support rod is provided with a threading hole for leading out a wire hole; The anti-high temperature alarm includes a single-chip microcomputer, a current detection circuit for detecting the current of the power line, a temperature sensor for detecting the temperature in the power distribution box, an audible and visual alarm capable of issuing an alarm, and is used to store the number and number of the audible and visual alarm. location, the mobile phone number of the relevant staff and the memory of the set current value and temperature value and the GPRS communication module for sending the received alarm information to the mobile phone of the relevant staff through the mobile communication network. The above cooling fan, current detection circuit, temperature sensor, memory, sound and light alarm and GPRS communication module are electrically connected. 2. A high temperature resistant distribution box according to claim 1, characterized in that: there are two support rods in total, namely an upper support rod and a lower support rod, and the upper support rod is a hollow structure and is sleeved On the lower support rod and fixedly connected by screw C. 3. A high temperature resistant distribution box according to claim 2, characterized in that: the upper end of the lower support rod is provided with a ring eaves.