CN209088279U - Intelligent Portable Outdoor Dehumidifier for Substations - Google Patents

Abstract

The utility model relates to the technical field of dehumidification devices for substations, in particular to an intelligent portable outdoor dehumidification device for substations, which solves the problem that the dehumidification device in the prior art is too expensive, has a slow cooling speed, and cannot be installed if there are devices with ventilation holes that cannot be disassembled. In use, the disadvantage that the humidity cannot be reduced below the ambient humidity, including electrical equipment and the body of the dehumidifier, the body of the dehumidifier includes a PLC main control module, a temperature and humidity monitoring module, an industrial control display module, a heating and drying module, a molecular sieve filter module and an air circulation module. module. The utility model has a simple structure, and the dehumidification device body controls the air circulation module, the molecular sieve filter module, the heating and drying module and the temperature and humidity monitoring module according to the humidity alarm upper limit set inside the PLC main control module, so as to achieve the dehumidification of electrical equipment. At the same time, the body of the dehumidification device is easy to be fixed and installed on the top of the electrical equipment, and the operation is convenient.

Description

Intelligent Portable Outdoor Dehumidifier for Substations

technical field

The invention relates to the technical field of dehumidification devices for substations, in particular to an intelligent portable outdoor dehumidification device for substations.

Background technique

The substation is an intermediate link between the power plant and the user, and plays the role of transforming voltage and distributing electric energy. The outdoor equipment includes current transformers, voltage transformers and switch cabinets. Changes in the environment and operating conditions will affect the output of the equipment. According to incomplete statistics, electrical equipment failures caused by external environmental changes account for 62% of the overall equipment failures, design and device defects account for 18%, use and maintenance factors account for 11%, and security and other factors account for 9%. The moisture problem is particularly prominent. Moist air cannot be removed in time in the cabinet. When the temperature changes suddenly, it is easy to condense water droplets and attach to the components or electrical connection points, resulting in a decrease in the insulation of the equipment and easy occurrence of short circuit or ground fault. In order to improve the reliability of power supply, better effectively monitor and manage equipment, and improve the automation and intelligent monitoring level of power grid operation, it has become a problem that is highly valued at home and abroad.

The existing dehumidifier adopts the principle of semiconductor refrigeration, uses a fan to accelerate the air flow, repeatedly sweeps the humid air over the cold end, and cools it until it condenses into water at the cold end, and then the condensed water flows out of the device through the pipe; In this way, the air with high humidity inside the equipment can be continuously circulated and absorbed, and the humidity inside the equipment can be reduced to a normal level. The existing intelligent dehumidifiers have the following problems: 1. The cost of using semiconductor technology is too high; 2. Using direct current, The cooling speed is slow and the condensation water in the humid air is slow. It is not suitable for large electrical cabinet equipment. 3. It needs to be installed inside the electrical equipment. If there is a device with ventilation holes that cannot be removed, it cannot be installed and used. The humidity cannot be reduced below the ambient humidity, so we propose an intelligent portable outdoor dehumidification device for substations to solve the above problems.

SUMMARY OF THE INVENTION

The purpose of the present invention is to solve the disadvantages of the high cost of the dehumidification device in the prior art, the slow cooling speed, the installation and use of the device with the ventilation holes that cannot be disassembled, and the humidity cannot be reduced below the ambient humidity. Intelligent portable outdoor dehumidifier for substations.

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

An intelligent portable outdoor dehumidification device for a substation includes electrical equipment and a dehumidification device body. The dehumidification device body includes a PLC main control module, a temperature and humidity monitoring module, an industrial control display module, a heating and drying module, a molecular sieve filter module and an air circulation module. The PLC The main control module is respectively connected with the temperature and humidity monitoring module, the industrial control display module, the heating and drying module, the molecular sieve filter module and the air circulation module, the top of the electrical equipment is fixedly installed with a mounting seat, and the top of the mounting seat is provided with a mounting slot , the dehumidification device body is placed in the installation groove, the top of the dehumidification device body extends to the top of the installation seat, the upper part of the installation seat is provided with a card seat, the bottom of the card seat is provided with a card groove, the The top of the dehumidifier body extends into the card slot and is in contact with the top inner wall of the card slot. The bottom of the card seat is provided with two symmetrical sliding grooves, and the card groove is located between the two sliding grooves. A sliding plate is slidably connected inside, a first vertical shaft is fixedly installed at the bottom of the sliding plate, the bottom of the first vertical shaft extends to the bottom of the card seat, and the top of the installation seat is provided with two symmetrical moving grooves , the installation groove is located between the two moving grooves, a plurality of buffer springs are fixedly installed on the bottom inner wall of the moving groove, and a same second vertical shaft is fixedly installed on the top of the plurality of buffer springs. The top of the shaft extends to the top of the mounting seat, the bottom of the first vertical shaft is provided with a positioning groove, the inner wall of one side of the positioning groove is provided with a fixing groove, and the top of the second vertical shaft is slidably installed with a positioning plate , the top of the positioning plate extends into the positioning groove, a fixed shaft is fixedly installed on one side of the positioning plate located in the positioning groove, and the end of the fixed shaft away from the positioning plate extends into the fixing groove, and one end of the positioning plate is A handle is fixedly installed on the side, and the handle is located between the first vertical axis and the second vertical axis.

Preferably, a buffer pad is fixedly installed on the top inner wall of the card slot, and the bottom of the buffer pad is closely attached to the top of the dehumidifying device body.

Preferably, the number of the buffer springs is two to five, and the two to five buffer springs are equally spaced on the bottom inner wall of the moving slot.

Preferably, blocks are fixedly installed on both inner walls of the sliding groove, and the blocks are located at the bottom of the sliding plate.

Preferably, handles are fixedly installed on both sides of the second vertical shaft, and the handles are located above the mounting seat, and an outer fixed sleeve of the handle is provided with a non-slip threaded rubber pad.

Preferably, sliding blocks are fixedly installed on both sides of the sliding plate, sliding rails are fixedly installed on both inner walls of the sliding groove, and the two sliding blocks are respectively slidably connected to the two sliding rails.

Preferably, pull rods are fixedly installed on both sides of the first vertical shaft, and the pull rods are located below the card seat.

Preferably, guide rails are fixedly installed on both inner walls of the moving groove, a horizontal plate is fixedly installed at the bottom of the second vertical shaft, and guide blocks are fixedly installed on both sides of the horizontal plate, and the two guide blocks are respectively Sliding connection with two rails.

The beneficial effects of the present invention are:

1. The air circulation module can circulate the gas, reduce the cost, and at the same time, it can speed up the air circulation speed and quickly circulate the internal gas of the electrical equipment. It is not necessary to open the electrical equipment. Gas circulation avoids the disadvantage that some electrical equipment cannot be opened and installed inside. The added heating and drying module makes the gas entering the electrical equipment into a gas that is drier than the environment after treatment, thereby reducing the humidity inside the electrical equipment to Below ambient humidity.

2. When the body of the dehumidifier needs to be fixedly installed on the top of the electrical equipment, first place the body of the dehumidifier in the installation groove on the mounting seat, and then clamp the card seat on the top of the body of the dehumidifier. At this time, pull the second vertical shaft, so that the top of the positioning plate moves into the positioning groove, and then push the handle to make the fixing shaft snap into the fixing groove, and the dehumidification device body is fixedly installed on the top of the electrical equipment.

The present invention has a simple structure, and the dehumidification device body is mainly used as a portable dehumidification device for internal and external equipment in a substation. The humidity monitoring module is controlled to achieve the purpose of dehumidifying the closed electrical equipment. At the same time, the body of the dehumidification device is easy to be fixed and installed on the top of the electrical equipment, which is convenient to operate and saves installation time.

Description of drawings

Fig. 1 is the structural block diagram of the dehumidification system of the intelligent portable outdoor dehumidification device of the substation proposed by the present invention;

2 is a schematic structural diagram of the working principle of the intelligent portable outdoor dehumidification device for a substation proposed by the present invention;

Fig. 3 is the working flow chart of the dehumidification system of the intelligent portable outdoor dehumidification device of the substation proposed by the present invention;

4 is a schematic structural diagram of the connection between the electrical equipment of the intelligent portable outdoor dehumidification device for substations proposed by the present invention and the body of the dehumidification device;

FIG. 5 is an enlarged schematic structural diagram of part A of the intelligent portable outdoor dehumidification device for substations proposed by the present invention.

In the figure: 1 electrical equipment, 2 mounting seat, 3 mounting groove, 4 dehumidification device body, 5 card seat, 6 card groove, 7 buffer pad, 8 sliding groove, 9 sliding plate, 10 first vertical shaft, 11 moving groove, 12 buffer spring, 13 second vertical shaft, 14 handle, 15 positioning plate, 16 positioning slot, 17 fixing slot, 18 fixing shaft, 19 handle, 20 slider, 21 slide rail, 22 block, 23 pull rod, 24 guide rail, 25 guide blocks.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments.

1-5, the intelligent portable outdoor dehumidification device of the substation includes electrical equipment 1 and a dehumidification device body 4. The dehumidification device body 4 includes a PLC main control module, a temperature and humidity monitoring module, an industrial control display module, a heating and drying module, a molecular sieve filter module and The air circulation module, the PLC main control module is respectively connected with the temperature and humidity monitoring module, the industrial control display module, the heating and drying module, the molecular sieve filter module and the air circulation module, and the top of the electrical equipment 1 is fixedly installed with a mounting seat 2. There is an installation slot 3 on the top of the hood, the dehumidification device body 4 is placed in the installation slot 3, the top of the dehumidification device body 4 extends to the top of the mounting seat 2, the upper part of the mounting seat 2 is provided with a card seat 5, and the bottom of the card seat 5 is opened There is a card slot 6, the top of the dehumidification device body 4 extends into the card slot 6 and is in contact with the top inner wall of the card slot 6, the bottom of the card seat 5 is provided with two symmetrical sliding grooves 8, and the card slot 6 is located in two Between the sliding grooves 8, a sliding plate 9 is slidably connected in the sliding groove 8. The bottom of the sliding plate 9 is fixedly mounted with a first vertical shaft 10, and the bottom of the first vertical shaft 10 extends to the bottom of the card seat 5. Two symmetrical moving grooves 11 are opened on the top, and the installation groove 3 is located between the two moving grooves 11. A plurality of buffer springs 12 are fixedly installed on the bottom inner wall of the moving groove 11, and the tops of the plurality of buffer springs 12 are fixedly installed with the same A second vertical shaft 13, the top of the second vertical shaft 13 extends to the top of the mounting seat 2, the bottom of the first vertical shaft 10 is provided with a positioning groove 16, one side inner wall of the positioning groove 16 is provided with a fixing groove 17, A positioning plate 15 is slidably installed on the tops of the two vertical shafts 13 . The top of the positioning plate 15 extends into the positioning groove 16 , and a fixed shaft 18 is fixedly installed on one side of the positioning plate 15 in the positioning groove 16 , and the fixed shaft 18 is away from the positioning plate. One end of the 15 extends into the fixing groove 17, and a handle 19 is fixedly installed on one side of the positioning plate 15, and the handle 19 is located between the first vertical shaft 10 and the second vertical shaft 13. The air circulation module can circulate gas and reduce costs. At the same time, it can speed up the air circulation speed and quickly circulate the internal gas of the electrical equipment 1. It is not necessary to open the electrical equipment 1. It only needs to be connected through the adapter at the interface of the electrical equipment 1. The disadvantage of not being able to be installed inside, the added heating and drying module makes the gas entering the electrical equipment 1 into a gas drier than the environment after processing, and then the humidity inside the electrical equipment 1 can be reduced to below the ambient humidity. When fixing the dehumidification device body 4 on the top of the electrical equipment 1, first place the dehumidification device body 4 in the installation slot 3 on the mounting seat 2, and then clamp the card seat 5 on the top of the dehumidification device body 4, then pull The second vertical shaft 13 moves the top of the positioning plate 15 into the positioning groove 16 , and then pushes the handle 19 to make the fixed shaft 18 snap into the fixing groove 17 , thus completing the fixed installation of the dehumidifier body 4 on the electrical equipment 1 . At the top, the structure of the present invention is simple, and the main body 4 of the dehumidification device is mainly used for the internal and external equipment of the substation (including Current transformers, voltage transformers, switch cabinets, closed electrical cabinets, etc.) portable dehumidification devices, which can be set according to actual needs according to the PLC main control module. The monitoring module is controlled to achieve the purpose of dehumidifying the airtight electrical equipment 1. At the same time, the dehumidification device body 4 is easy to be fixedly installed on the top of the electrical equipment 1, which is convenient to operate and saves installation time. The temperature and humidity monitoring module uses high-precision Vaisala sensors , can accurately and quickly monitor the internal humidity of electrical equipment 1, the heating and drying module adopts a temperature controller with PID adjustment method, the heating temperature can be set according to actual needs, and the stability of the intake air temperature is guaranteed. , which makes the gas inside the electrical equipment 1 circulate quickly, which greatly improves the work efficiency; the control part of the circuit is powered by lithium batteries, the dehumidification system uses AC220V alternating current, and the lost data will not be returned to the unexpected power failure in the middle, and an alarm will be issued to notify the user, which can reduce losses and unnecessary time.

In this embodiment, a buffer pad 7 is fixedly installed on the top inner wall of the card slot 6 , the bottom of the buffer pad 7 is closely attached to the top of the dehumidification device body 4 , and the number of buffer springs 12 is two to five, and two to five The buffer springs 12 are equidistantly arranged on the inner wall of the bottom of the moving slot 11 , the inner walls on both sides of the sliding slot 8 are fixedly installed with stoppers 22 , and the stoppers 22 are located at the bottom of the sliding plate 9 . The handle 14 is fixedly installed on both sides, and the handle 14 is located above the mounting seat 2, the outer side of the handle 14 is fixed with a non-slip threaded rubber pad, the sliding plate 9 is fixedly installed on both sides with the slider 20, and the sliding groove 8 is installed. Slide rails 21 are fixedly installed on the inner walls of both sides, and the two sliders 20 are respectively slidably connected to the two slide rails 21 , and pull rods 23 are fixedly installed on both sides of the first vertical shaft 10 , and the pull rods 23 are located in the card seat 5 . Below, guide rails 24 are fixedly installed on both inner walls of the moving groove 11, a horizontal plate is fixedly installed at the bottom of the second vertical shaft 13, and guide blocks 25 are fixedly installed on both sides of the horizontal plate, and two guide blocks 25 It is slidably connected to the two guide rails 24 respectively. The air circulation module can circulate the gas, reduce the cost, and at the same time, the air circulation speed can be accelerated, and the internal gas of the electrical equipment 1 can be quickly circulated. There is no need to open the electrical equipment 1. The adapter at the interface is connected, and the gas is circulated through the pipeline, which avoids the disadvantage that some electrical equipment 1 cannot be opened and installed inside. The added heating and drying module makes the gas entering the electrical equipment 1 become drier than the environment after processing. gas, and then the humidity inside the electrical equipment 1 can be reduced to below the ambient humidity. When the dehumidifier body 4 needs to be fixedly installed on the top of the electrical equipment 1, first place the dehumidifier body 4 in the mounting slot 3 on the mounting seat 2 Then, clamp the card holder 5 on the top of the dehumidification device body 4, pull the second vertical shaft 13 at this time, so that the top of the positioning plate 15 moves into the positioning groove 16, and then push the handle 19, so that the fixed shaft 18 is clamped into the fixed shaft 18. In the groove 17, the dehumidification device body 4 is fixedly installed on the top of the electrical equipment 1. The structure of the present invention is simple. and airtight electrical cabinets, etc.) portable dehumidification device, according to the humidity alarm upper limit set inside the PLC main control module, the air circulation module, molecular sieve filter module, heating and drying module and temperature and humidity monitoring module are controlled to achieve the airtight electrical equipment. 1. The purpose of dehumidification, and at the same time, the body 4 of the dehumidification device is easy to be fixedly installed on the top of the electrical equipment 1, which is convenient to operate and saves installation time.

In this embodiment, the work flow of the dehumidification system in the body 4 of the dehumidification device is as follows: first click the "Start" button on the industrial control industrial touch screen, then the "Exit" button and the "Start/Stop Measurement" button are displayed on the page, and after clicking the "Start" button When the "/stop measurement" button is pressed, the dehumidification system will automatically determine whether it is in a shutdown state. If it is in a shutdown state, it will start the dehumidification process and time it, and then judge whether the humidity in the electrical equipment 1 exceeds the standard. If the humidity inside the electrical equipment 1 exceeds the standard, Then the dehumidification process is delayed for dehumidification. If the humidity in the electrical equipment 1 does not exceed the standard, then the dehumidification system enters the delayed shutdown and counts down. When the delayed shutdown time is up, it will shut down. If the delayed shutdown time is less than, it will enter the delayed shutdown and enter the countdown. , when the "Start/Stop Measurement" button is clicked, if the dehumidification system automatically determines that it is in the shutdown state, it will enter the delayed shutdown and enter the countdown, and when the "Exit" button is clicked, the dehumidification system will automatically determine whether it is in the shutdown state. , if it is in stop state, it will stop and exit the measurement window, if not, it will prompt whether to stop and exit before it has stopped, and then click Yes, it will enter the delay stop and count down.

In this embodiment, when it is necessary to use the dehumidifying device body 4 to dehumidify the air inside the electrical equipment 1, the air circulation module can make the electrical equipment 1 circulate the gas, which reduces the production cost, and at the same time can speed up the air circulation speed, and quickly To circulate the internal gas of the electrical equipment 1, it is not necessary to open the electrical equipment 1. It only needs to be connected through the adapter at the interface of the electrical equipment 1, and the gas is circulated through the pipeline, avoiding the disadvantage that some electrical equipment 1 cannot be opened and installed inside. The heating and drying module added in the main body 4 of the dehumidifier makes the gas entering the electrical equipment 1 into a gas drier than the environment after processing, thereby reducing the internal humidity of the electrical equipment 1 to below the ambient humidity. 4 is fixedly installed on the top of the electrical equipment 1. First, place the dehumidification device body 4 in the installation slot 3 on the mounting seat 2, and then clamp the card seat 5 on the top of the dehumidification device body 4. At this time, pull the second vertical shaft 13 , the second vertical shaft 13 will pull the buffer spring 12 to extend, so that the top of the positioning plate 15 enters the positioning groove 16, and then pushes the handle 19 to make the fixed shaft 18 snap into the fixed groove 17. Under the reset elastic force, the dehumidifier body 4 can be fixedly installed on the top of the electrical equipment 1, which is convenient to operate and saves installation time. Therefore, the dehumidifier body 4 is based on the humidity alarm upper limit set inside the PLC main control module. The module, the molecular sieve filter module, the heating and drying module and the temperature and humidity monitoring module are controlled to achieve the purpose of dehumidifying the airtight electrical equipment 1 .

The above description is only a preferred embodiment of the present invention, but the protection scope of the present invention is not limited to this. The equivalent replacement or change of the inventive concept thereof shall be included within the protection scope of the present invention.

Claims (8)

1. An intelligent portable outdoor dehumidification device for a substation, comprising electrical equipment (1) and a dehumidification device body (4), characterized in that the dehumidification device body (4) includes a PLC main control module, a temperature and humidity monitoring module, an industrial control display module, A heating and drying module, a molecular sieve filtering module and an air circulation module, the PLC main control module is respectively connected with a temperature and humidity monitoring module, an industrial control display module, a heating and drying module, a molecular sieve filtering module and an air circulation module, and the electrical equipment (1) A mounting seat (2) is fixedly installed on the top of the mounting seat (2), a mounting groove (3) is opened on the top of the mounting seat (2), and the dehumidifying device body (4) is placed in the mounting groove (3), and the dehumidifying device body The top of (4) extends to the top of the mounting seat (2), the mounting seat (2) is provided with a card seat (5), and the bottom of the card seat (5) is provided with a card slot (6), so The top of the dehumidification device body (4) extends into the card slot (6) and is in contact with the top inner wall of the card slot (6), and the bottom of the card seat (5) is provided with two symmetrical sliding grooves (8) , and the card slot (6) is located between the two sliding grooves (8), the sliding groove (8) is slidably connected with a sliding plate (9), and the bottom of the sliding plate (9) is fixedly installed with a first vertical A shaft (10), the bottom of the first vertical shaft (10) extends to the bottom of the card seat (5), the top of the mounting seat (2) is provided with two symmetrical moving grooves (11), the mounting The groove (3) is located between the two moving grooves (11), a plurality of buffer springs (12) are fixedly installed on the bottom inner wall of the moving groove (11), and the top of the plurality of buffer springs (12) are fixedly installed with the same buffer springs (12). A second vertical shaft (13), the top of the second vertical shaft (13) extends to the top of the mounting seat (2), and the bottom of the first vertical shaft (10) is provided with a positioning groove (16), so A fixing groove (17) is opened on one inner wall of the positioning groove (16), a positioning plate (15) is slidably installed on the top of the second vertical shaft (13), and the top of the positioning plate (15) extends to In the positioning groove (16), a fixed shaft (18) is fixedly mounted on one side of the positioning plate (15) located in the positioning groove (16), and the fixed shaft (18) extends away from one end of the positioning plate (15) to the fixed position In the groove (17), a handle (19) is fixedly installed on one side of the positioning plate (15), and the handle (19) is located between the first vertical shaft (10) and the second vertical shaft (13). 2. The intelligent portable outdoor dehumidification device for a substation according to claim 1, wherein a buffer pad (7) is fixedly installed on the top inner wall of the card slot (6), and the bottom of the buffer pad (7) is The top of the main body (4) of the dehumidification device is tightly fitted. 3. The intelligent portable outdoor dehumidification device for a substation according to claim 1, wherein the number of the buffer springs (12) is two to five, and the two to five buffer springs (12) are equidistantly arranged in the on the bottom inner wall of the moving groove (11). 4. The intelligent portable outdoor dehumidification device for a substation according to claim 1, characterized in that, blocks (22) are fixedly installed on the inner walls of both sides of the sliding groove (8), and the blocks (22) are located in the sliding groove (8). Bottom of plate (9). 5. The intelligent portable outdoor dehumidification device for a substation according to claim 1, wherein a handle (14) is fixedly installed on both sides of the second vertical shaft (13), and the handle (14) is located at the mounting seat (14). 2), the outer fixing sleeve of the handle (14) is provided with a non-slip threaded rubber pad. 6. The intelligent portable outdoor dehumidification device for a substation according to claim 1, characterized in that a slider (20) is fixedly installed on both sides of the sliding plate (9), and a sliding block (20) is fixedly installed on both sides of the sliding groove (8). Slide rails (21) are fixedly installed on the inner walls, and the two sliding blocks (20) are respectively slidably connected with the two slide rails (21). 7. The intelligent portable outdoor dehumidification device for substation according to claim 1, characterized in that, both sides of the first vertical shaft (10) are fixedly installed with tie rods (23), and the tie rods (23) are located at the card holder (23). 5) below. 8. The intelligent portable outdoor dehumidification device for a substation according to claim 1, characterized in that, guide rails (24) are fixedly installed on both inner walls of the moving tank (11), and the second vertical shaft (13) A horizontal plate is fixedly installed at the bottom of the horizontal plate, and guide blocks (25) are fixedly installed on both sides of the horizontal plate, and the two guide blocks (25) are respectively slidably connected with the two guide rails (24).