CN207338918U - A kind of novel distribution cabinet - Google Patents

Abstract

The utility model belongs to an electric power distribution device, and more specifically relates to a new type of power distribution cabinet. room, a display panel, a coiled pipe, a ventilation fan, a temperature sensor, a humidity sensor, and a controller. The cabinet body is provided with a front door and a rear door at the front and rear, and a middle partition in the middle. There is a fixed strip above the front of the middle partition, a dehumidification mechanism is installed on the fixed strip, an electrical room is arranged under the fixed strip, a serpentine tube is arranged behind the electrical room of the middle partition, and the serpentine tube is connected to the bottom of the cabinet. The ventilation fan is connected, the front is equipped with an observation window, and a display panel is arranged under the observation window. The utility model can automatically monitor the humidity and temperature in the power distribution cabinet, and can control the corresponding devices in the power distribution cabinet while monitoring. The temperature and humidity in the power distribution cabinet meet the requirements.

Description

A new type of distribution cabinet

technical field

The utility model belongs to the field of electrical power distribution devices, and more specifically relates to a novel power distribution cabinet.

Background technique

In the power system, the power distribution cabinet is a very important power distribution device. During use, it is necessary to ensure that the power distribution cabinet is in a dry environment. During use, the electrical equipment in the power distribution cabinet will generate a lot of heat. It will cause the temperature inside the cabinet to rise. If the internal heat is not removed in time, it will lead to the danger of fire and other dangers of the electrical equipment in the cabinet. In the past, the method of heating and dehumidification is often used in the power distribution cabinet, which is easy to form condensation inside, which cannot effectively solve the problem of electrical equipment. The problem of reduced insulation levels. Since the power distribution cabinet is a kind of commonly used power distribution equipment, it is used in many places. The environment around the power distribution cabinet is different in different places, which will have different effects on the electrical equipment in the cabinet 1, so it is urgent to design a A power distribution cabinet that can dehumidify and prevent condensation, monitor the temperature and humidity in the cabinet, and ensure that it will not affect the electrical equipment in the cabinet in various complex environments.

Contents of the invention

The utility model designs a new power distribution cabinet, replaces the previous heating and dehumidification method by designing a middle partition, installs a serpentine tube behind the electric room with the largest heat generation, and sets an air bag between the cabinet body and the cabinet door way, so that the utility model can achieve the functions of dehumidification, dustproof, explosion-proof and cooling.

In order to achieve the above purpose, the utility model is achieved through the following technical solutions: the new power distribution cabinet includes a cabinet body 1, a front door 2, a rear door 3, a middle partition 4, an observation window 5, a fixing strip 6, and a dehumidification mechanism 7 , electrical room 8, display panel 9, serpentine tube 10, ventilation fan 11, temperature sensor 12, humidity sensor 13, controller 14, described cabinet body 1 is provided with front door 2 and back door 3, front door 2 and back door 3 all Two loose-leaf doors are designed, and the loose-leaf doors are movably connected on both sides of the cabinet body 1. An observation window 5 is set on the left side of the front door 2, and a display panel 9 is set on the right side of the front door 2. There is an intermediate partition 4, and a fixed strip 6 is arranged above the front of the intermediate partition 4, and a dehumidification mechanism 7 is installed on the fixed strip 6, and an electrical chamber 8 is arranged under the fixed strip 6, and the intermediate partition 4 behind the electrical chamber 8 is installed There is a serpentine pipe 10, which is connected to the ventilation fan 11 installed at the bottom of the cabinet 1, and the temperature sensor 12, humidity sensor 13, and controller 14 are arranged above the serpentine pipe 10 behind the middle partition 4 , the signal output terminals of the temperature sensor 12 and the humidity sensor 13 are connected to the signal input terminal of the controller 14 , and the signal output terminal of the controller 14 is connected to the display panel 9 .

Preferably, the dehumidifier adopts a semiconductor condensation sheet for dehumidification, and a water receiving box 15 is arranged under the fixing bar 6 .

Preferably, the frame of the front door 2 and the rear door 3 of the cabinet body 1 is provided with an air bag 16, the air bag 16 is connected to the air pump 17 installed at the bottom of the cabinet body 1, and an operation button 18 is arranged below the display panel 9, and the operation button 18 The output end of the control system is connected with the input end of the control system, and the output end of the controller 14 is connected with the air pump 17 switch.

Preferably, a common flammable and explosive gas sensor interface 19 is provided on the rear side of the middle partition 4 .

Beneficial effects of the utility model:

1. The use of semiconductor condensation sheet dehumidification mechanism can eliminate the condensation generated in the power distribution cabinet by heating and dehumidification in the past, and the moisture removed by the dehumidification mechanism of the water box mobile phone can prevent water droplets from dripping on the electrical equipment in the power distribution cabinet.

2. Airbags are installed at the connection between the cabinet body and the front and rear cabinet doors. After the cabinet door is closed, the air pump is turned on to inflate the airbags, which can better seal the cabinet door gap and prevent external dust and flammable and explosive materials from entering the power distribution cabinet. , Reserve common flammable and explosive gas sensor excuses to facilitate the installation of required sensors when needed, and can effectively detect whether there is flammable and explosive gas entering the power distribution cabinet.

3. A serpentine tube is installed at the rear of the electrical room with the largest heat generation in the power distribution cabinet. The serpentine tube is connected to the ventilation fan, which can better remove the heat in the power distribution cabinet after the temperature of the power distribution cabinet rises.

Description of drawings

Fig. 1 is a front view of the utility model;

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

In the figure, 1-cabinet body, 2-front door, 3-back door, 4-middle partition, 5-observation window, 6-fixing bar, 7-dehumidification mechanism, 8-electrical room, 9-display panel, 10-snake Shaped pipe, 11-ventilation fan, 12-temperature sensor, 13-humidity sensor, 14-controller, 15-water box, 16-air bag, 17-air pump, 18-operation button, 19-reserved sensor interface.

Detailed ways

In order to make the technical solutions and beneficial effects of the present utility model clearer, preferred implementations of the present utility model will be described in detail below in conjunction with the accompanying drawings, so as to facilitate the understanding of technical personnel.

As shown in Figure 1-2, the new power distribution cabinet includes a cabinet body 1, a front door 2, a rear door 3, an intermediate partition 4, an observation window 5, a fixing bar 6, a dehumidification mechanism 7, an electrical room 8, and a display panel 9 , serpentine tube 10, ventilation fan 11, temperature sensor 12, humidity sensor 13, controller 14, described cabinet body 1 is provided with front door 2 and back door 3, front door 2 and back door 3 all adopt two fan leaf design, loose leaf The doors are movably connected on both sides of the cabinet body 1, the left hinged door of the front door 2 is provided with an observation window 5, the hinged door on the right side of the front door 2 is provided with a display panel 9, and the cabinet body 1 is provided with a middle partition 4, and the middle partition 4 There is a fixed strip 6 above the front of the hood, and a dehumidification mechanism 7 is installed on the fixed strip 6. The dehumidification mechanism 7 uses a semiconductor condensing sheet to dehumidify. A part of the water vapor condenses on the surface of the evaporator into water droplets and precipitates out. A water receiving box 15 is arranged under the dehumidification structure, and the water receiving box 15 is installed on the installation bar. An electrical room 8 is arranged under the fixing bar 6, and the electrical room 8 is a place where various circuit breakers and other electrical equipment are installed. Since the electrical room 8 is the main heating unit of the distribution cabinet, a serpentine tube 10 is arranged behind the electrical room 8, The serpentine tube 10 is attached to the back of the electrical chamber 8, which can increase the contact area between the serpentine tube 10 and the electrical chamber 8. The larger the contact area, the better the heat dissipation effect. The serpentine tube 10 and the ventilation fan arranged at the bottom of the cabinet 1 11 connection, the temperature sensor 12, the humidity sensor 13, the controller 14 are arranged on the rear side of the middle partition plate 4, the controller 4 adopts ST89C51 series single-chip microcomputer, the signal output terminal of the temperature sensor 12 and the humidity sensor 13 and the signal output of the controller 14 The input terminal is connected, the signal output terminal of the controller 14 is connected with the display panel 9, and the controller 14 outputs the detected indoor temperature and humidity to the display panel 9 for display.

Preferably, the frame of the front door 2 and the rear door 3 of the cabinet body 1 is provided with an air bag 16, the air bag 16 is connected to the air pump 17 installed at the bottom of the cabinet body 1, and an operation button 18 is arranged below the display panel 9, and the operation button 18 The output end of the controller is connected to the input end of the control system, and the output end of the controller 14 is connected to the start switch of the air pump 17. After closing the front and rear doors 3 of the cabinet body 1, the air bag 16 can be inflated by pressing the button to start the air pump 17 to better seal the cabinet door gap. A positive pressure is formed in the power distribution cabinet to prevent external dust and flammable and explosive materials from entering the power distribution cabinet. When using this new type of power distribution cabinet in a dangerous place with flammable and explosive materials, the reserved common The flammable and explosive sensor interface 19 is convenient for adding various sensors. After adding the flammable and explosive inspection sensor, the control system can monitor whether there is flammable and explosive gas entering the power distribution cabinet, and display it on the display panel.

The working principle of the utility model: during the normal use of the power distribution cabinet, the temperature sensor 12 and the humidity sensor 13 in the power distribution cabinet detect the temperature and humidity in the power distribution cabinet in real time. After being processed by the controller 14, it is transmitted to the display panel 9 for It shows that during the use of the power distribution cabinet, the dehumidification device in the power distribution cabinet continues to dehumidify the air in the power distribution cabinet, and collects the condensed water vapor into the water receiving box 15, and the serpentine tube 10 on the back of the electrical room 8 passes through the The ventilator continues to ventilate, and replaces the air with a higher temperature inside the power distribution cabinet with the air with a lower temperature outside the power distribution cabinet to achieve the effect of heat dissipation. After closing the front and rear doors 3 of the power distribution cabinet every time, start the air pump 17 by pressing the button Inflate the airbag 16, and the airbag 16 forms a positive pressure in the power distribution cabinet to prevent external dust and flammable and explosive substances from entering the power distribution cabinet. Through the reserved common flammable and explosive sensor interface 19, it is convenient to add various sensors. After adding the flammable and explosive inspection sensor, the control system can monitor whether there is flammable and explosive gas in the power distribution cabinet, and display it on the breadboard. display.

Finally, it is noted that the above preferred embodiments are only used to illustrate the technical solutions of the present utility model, not to limit. Although the utility model has been described in detail through the above preferred embodiments, those skilled in the art should understand that it can Various changes are made to it in detail and without departing from the protection scope of the present utility model.

Claims (4)

1. A kind of 1. novel distribution cabinet, it is characterised in that：The novel distribution cabinet includes cabinet（1）, front door（2）, back door（3）、 Intermediate bulkhead（4）, observation window（5）, fixed strip（6）, desiccant body（7）, electric panel room（8）, display panel（9）, coiled pipe（10）、 Draft fan（11）, temperature sensor（12）, humidity sensor（13）, controller（14）, the cabinet（1）It is provided with front door （2）And back door（3）, front door（2）With back door（3）Cabinet is movably connected in using two fan hinge door designs, hinge door（1）Two Side, front door（2）Observation window is provided with the hinge door of left side（5）, front door（2）Display panel is provided with the hinge door of right side（9）, cabinet Body（1）In be provided with intermediate bulkhead（4）, intermediate bulkhead（4）Upper front be provided with fixed strip（6）, fixed strip（6）Upper installation There is desiccant body（7）, fixed strip（6）Lower section is provided with electric panel room（8）, electric panel room（8）The intermediate bulkhead at rear（4）On be provided with Coiled pipe（10）, coiled pipe（10）With installed in cabinet（1）The draft fan of bottom（11）Connection, the temperature sensor （12）, humidity sensor（13）, controller（14）It is arranged on intermediate bulkhead（4）The coiled pipe at rear（10）Top, temperature sensing Device（12）With humidity sensor（13）Signal output part and controller（14）Signal input part connects, controller（14）Signal is defeated Outlet and display panel（9）Connection.
2. A kind of 2. novel distribution cabinet as claimed in claim 1, it is characterised in that：The dehumidifier uses semi-conductor condensation piece Dehumidifying, desiccant body（7）Lower section is provided with water receiver（15）.
3. A kind of 3. novel distribution cabinet as claimed in claim 1, it is characterised in that：The cabinet（1）Front door（2）With back door （3）Framework on be provided with air bag（16）, air bag（16）With installed in cabinet（1）The air pump of bottom（17）It is connected, display panel （9）Lower section is provided with operation button（18）, operation button（18）Output terminal be connected with control system input terminal, controller（14） Output terminal and air pump（17）Switch is connected.
4. A kind of 4. novel distribution cabinet as claimed in claim 1, it is characterised in that：The intermediate bulkhead（4）Rear side sets normal The flammable explosive gas sensor interface seen（19）.