CN114664528A

CN114664528A - Direct current magnetic bias suppression device

Info

Publication number: CN114664528A
Application number: CN202210276053.0A
Authority: CN
Inventors: 李建设; 刘冶平
Original assignee: Beijing Zhongyingjia Engineering Construction Co ltd
Current assignee: Beijing Zhongyingjia Engineering Construction Co ltd
Priority date: 2022-03-21
Filing date: 2022-03-21
Publication date: 2022-06-24

Abstract

The utility model relates to a direct current magnetic biasing suppression device, the technical field who relates to electrical components, the power distribution box comprises a box body, it is connected with the chamber door to rotate on the box, the chamber door is used for sealing the opening of box, inlet port and venthole have been seted up on the box, install air inlet mechanism on the box, air inlet mechanism includes fan and ventilation pipe, the fan is installed in the inlet port, the fan is arranged in the air suction box outside the box, the ventilation pipe is installed on the inlet port and is located outside the box, install refrigeration mechanism one on the ventilation pipe, refrigeration mechanism one is used for reducing the temperature of the air that gets into the box, install ventilation fan on the box, ventilation fan installs in the venthole, ventilation fan is arranged in taking out the air in the box. This application has the effect that reduces interior tidal humidity of box.

Description

Direct current magnetic bias suppression device

Technical Field

The application relates to the technical field of electrical components, in particular to a direct-current magnetic bias suppression device.

Background

Due to environmental influences, a large direct current is generated in the running transformer winding, the direct current becomes a part of the transformer exciting current, the direct current biases the transformer core, the working point of the transformer is changed, and the vibration of the transformer is increased. To alleviate and eliminate this phenomenon, it is necessary to install a dc magnetic bias suppression device on the transformer, thereby protecting the transformer.

The related direct current magnetic bias suppression device comprises a box body and a main control unit, wherein the main control unit is installed in the box body and consists of a capacitor, a direct current sensor and a processing chip, when direct current is generated in a transformer, the direct current sensor detects the direct current and sends a power signal to the processing chip, and the processing chip sends a signal and enables the direct current to flow into the capacitor, so that the direct current is suppressed from flowing into the transformer, and the effect of protecting a circuit is achieved.

The above related technical solutions have the following drawbacks: after the box body is connected to the transformer, the main control unit in the box body is easily damaged in a humid environment, so that the working stability and safety are reduced, and inconvenience is caused.

Disclosure of Invention

In order to reduce the humidity in the box, the application provides a direct current magnetic biasing suppression device.

The application provides a DC magnetic biasing suppression device adopts following technical scheme:

the utility model provides a direct current magnetic biasing suppression device, the power distribution box comprises a box body, it is connected with the chamber door to rotate on the box, the chamber door is used for sealing the opening of box, inlet port and venthole have been seted up on the box, install air inlet mechanism on the box, air inlet mechanism includes fan and ventilation pipe, the fan is installed in the inlet port, the fan is arranged in with the outer air suction box of box, the ventilation pipe is installed on the inlet port and is located outside the box, install refrigeration mechanism one on the ventilation pipe, refrigeration mechanism one is used for reducing the temperature of the air that gets into the box, install ventilation fan on the box, ventilation fan installs in the venthole, ventilation fan is arranged in taking out the air in the box.

Through adopting above-mentioned technical scheme, through setting up the chamber door on the box, the user of service can install electrical equipment in the box, thereby play the effect of protection electrical equipment, through installation air inlet mechanism and ventilation fan on the box, make the fan can be with the box in the outer air suction box, make the air in the box discharge from the venthole, reach the effect that promotes the internal electrical equipment radiating rate of box, through installation refrigeration mechanism one on the ventilation pipe, make refrigeration mechanism one can reduce the air temperature that gets into the box from the inlet port, further promote the internal programming rate of box, reach the cooling purpose, vapor in the air that gets into the box from the ventilation pipe can condense to liquid water in the ventilation pipe, thereby make the internal air humidity of box reduce, reduce the accumulational volume of vapor in the box, can reduce the internal moisture of box.

Optionally, the ventilation pipe comprises a horizontal part and a vertical part, the horizontal part is communicated with the vertical part, the horizontal part and the vertical part are perpendicular to each other, the end part of the horizontal part is connected to the box body, and the vertical part is vertically downward.

Through adopting above-mentioned technical scheme, through the ventilation pipe of buckling, make vertical portion set up in the horizontal part below, make the liquid water in the ventilation pipe can flow along the ventilation pipe under the dead weight effect, and then reduce the probability that liquid water flows along the ventilation pipe and gets into in the box.

Optionally, an extension pipe is mounted on the ventilation pipe, and the extension pipe is of a spiral tubular structure.

Through adopting above-mentioned technical scheme, through installing the extension pipe on the ventilation pipe, make the extension pipe set up to spiral tubular structure, and then the extension air is at the intraductal flow time of ventilation, can make refrigeration mechanism cool down the air for a long time, further promotes the volume of vapor condensation.

Optionally, the vent tube and the extension tube are removably connected.

Through adopting above-mentioned technical scheme, can dismantle the connection extension pipe through on the ventilation pipe, make the extension pipe can follow the ventilation pipe and lift off, make things convenient for the user of service to clear up remaining liquid water in the extension pipe.

Optionally, the air inlet is located at the lower side of the box body, and the air outlet is located at the top of the box body.

Through adopting above-mentioned technical scheme, through seting up the inlet port in the box downside, set up the venthole in the box top, after a pair of air cooling of refrigerating mechanism, the lower air density of temperature is great to make the lower air of temperature can accumulate in the box below, the time that the lower air of temperature effluvium outside to the box promotes from the venthole, can make the lower air of temperature absorb more heat in the box.

Optionally, a heat insulation plate is arranged in the box body, the space in the box body is separated by the heat insulation plate, the air inlet hole and the air outlet hole are respectively located on two sides of the heat insulation plate, a refrigerating mechanism II is arranged on one side, close to the air inlet hole, of the heat insulation plate and used for reducing the temperature in the box body, a plurality of through holes are formed in the heat insulation plate and used for communicating the space in the box body, located on two sides of the heat insulation plate.

Through adopting above-mentioned technical scheme, through setting up the heat insulating board in the box, set up refrigerating mechanism two on the heat insulating board, make refrigerating mechanism two can further cool down the air that gets into in the box, the vapor in the air is at the condensation of heat insulating board below, and low temperature air gets into the heat insulating board opposite side and reduces electrical equipment's temperature through seeing through the hole, reaches energy-concerving and environment-protective effect.

Optionally, a collecting part is arranged in the box body, a collecting box is arranged in the box body, the collecting part and the collecting box are located on one side, close to the air inlet, of the heat insulation plate, and the collecting part is used for guiding condensed water in the box body to flow into the collecting box.

By adopting the technical scheme, the collecting piece is arranged in the box body, the collecting box is arranged in the box body, so that the condensed water in the box body can flow to the collecting box through the collecting piece, and further convenience is brought to users for collecting and processing the condensed water.

Optionally, the box door includes a plugging door and a heat insulation door, both of which are rotatably connected to the box body, the plugging door is used for plugging a space in the box body communicated with the air outlet, and the heat insulation door is used for plugging a space in the box body communicated with the air inlet.

Through adopting above-mentioned technical scheme, through setting up shutoff door and insulated door on the box, when the user opens the shutoff door and overhauls, the insulated door keeps closed to reduce the volume that low temperature air effluvium from the box, can play energy-conserving effect.

To sum up, the beneficial technical effect of this application does:

1. the box door is arranged on the box body, so that a user can install the electrical equipment in the box body, the effect of protecting the electrical equipment is achieved, the air inlet mechanism and the ventilation fan are installed on the box body, the fan can suck air outside the box body into the box body, the air in the box body is discharged from the air outlet hole, the effect of improving the heat dissipation speed of the electrical equipment in the box body is achieved, the first refrigeration mechanism can reduce the temperature of the air entering the box body from the air inlet hole by installing the first refrigeration mechanism on the ventilation pipe, the temperature rise speed in the box body is further improved, the cooling purpose is achieved, water vapor in the air entering the box body from the ventilation pipe can be condensed into liquid water in the ventilation pipe, the air humidity in the box body is reduced, the accumulation amount of the water vapor in the box body is reduced, and the humidity in the box body can be reduced;

2. the extension pipe is arranged on the ventilation pipe and is set to be of a spiral tubular structure, so that the flowing time of air in the ventilation pipe is prolonged, the refrigeration mechanism can cool the air for a long time, and the condensation amount of water vapor is further increased;

3. the heat insulation plate is arranged in the box body, the second refrigerating mechanism is arranged on the heat insulation plate, so that the second refrigerating mechanism can further cool air entering the box body, water vapor in the air is condensed below the heat insulation plate, and low-temperature air enters the other side of the heat insulation plate through the through hole and reduces the temperature of electrical equipment, so that the effects of energy conservation and environmental protection are achieved.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.

FIG. 2 is a schematic, partially cross-sectional view of a vent tube according to an embodiment of the present application.

FIG. 3 is a schematic view of the connection between the heat shield and the second refrigeration mechanism according to the embodiment of the present application.

FIG. 4 is a schematic view showing the connection between the collecting member and the collecting box according to the embodiment of the present application.

Reference numerals: 1. a box body; 11. a box door; 111. plugging the door; 112. a heat-insulating door; 12. an air inlet; 13. an air outlet; 2. an air intake mechanism; 21. a fan; 22. a vent pipe; 221. a horizontal portion; 222. a vertical portion; 23. an extension pipe; 24. a first refrigerating mechanism; 3. a ventilation fan; 4. a heat insulation plate; 41. a through hole; 42. a second refrigerating mechanism; 5. a collecting member; 6. and (4) collecting the box.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses a direct current magnetic bias suppression device. Referring to fig. 1, the portable electronic device comprises a box body 1, wherein an opening is formed in the box body 1, a box door 11 is rotatably connected to the box body 1, and the box door 11 is used for rotating and blocking the opening of the box body 1, so that the box body 1 can protect the device installed in the box body 1. The air inlet mechanism comprises a box body 1 and is characterized in that a plurality of air inlet holes 12 and a plurality of air outlet holes 13 are formed in the box body 1, the air inlet holes 12 are formed in one side, close to the ground, of the side wall of the box body 1, the air outlet holes 13 are formed in the upper top of the box body 1, an air inlet mechanism 2 is installed on the box body 1, the air inlet mechanism 2 is installed at the position of the air inlet holes 12, and the air inlet mechanism 2 is used for enabling outside air to enter the box body 1. The box body 1 is provided with the ventilation fan 3, the ventilation fan 3 is arranged at the air outlet 13, and the ventilation fan 3 is used for pumping the air in the box body 1 out of the box body 1. Through making mechanism 2 and the ventilation fan 3 of admitting air promote the circulation of air in the box 1, reach and make the radiating rate promote in the box 1, reduce the effect of box 1 internal temperature.

Referring to fig. 1 and 2, the air intake mechanism 2 includes a blower 21 and a ventilation pipe 22, and the blower 21 is installed in the air intake hole 12. The ventilation pipe 22 is installed outside the cabinet 1, the ventilation pipe 22 includes a horizontal portion 221 and a vertical portion 222, the horizontal portion 221 and the vertical portion 222 are connected by integral molding, and the horizontal portion 221 and the vertical portion 222 are perpendicular. One end of the horizontal portion 221, which is far from the vertical portion 222, is connected to the cabinet 1, and the vent pipe 22 communicates with the inside of the cabinet 1 through the air intake hole 12. The vertical portion 222 faces vertically downward. Install refrigeration mechanism 24 on the ventilation pipe 22, refrigeration mechanism 24 can select the semiconductor refrigeration piece, refrigeration mechanism 24 is used for producing low temperature, thereby make the vapor in the air of circulation in the ventilation pipe 22 condense in ventilation pipe 22, and then make the humidity of the air that gets into in the box 1 reduce, thereby reduce humid environment to the destruction of electrical equipment in the box 1, the air is at the flow in-process temperature reduction of ventilation pipe 22, thereby make low temperature gas endotherm in box 1, reach the effect to the electrical equipment cooling in the box 1.

Referring to fig. 2, an extension pipe 23 is detachably connected to the ventilation pipe 22, the extension pipe 23 is a spiral pipe, and one end of the extension pipe 23 is in threaded connection with one end of the ventilation pipe 22 far away from the box body 1. The extension pipe 23 is located below the ventilation pipe 22. After fan 21 starts, the air outside the box 1 passes through extension pipe 23 and ventilation pipe 22 and gets into in the box 1, and low temperature air flows in extension pipe 23 and ventilation pipe 22 and can get into in the box 1 after long time, and then more vapor can condense in the messenger's air and flow in extension pipe 23.

Referring to fig. 3 and 4, a heat insulation plate 4 is installed in the cabinet 1, the heat insulation plate 4 is horizontally installed in the cabinet 1 and positioned above the air inlet 12, and the heat insulation plate 4 divides the space in the cabinet 1 into an upper part and a lower part. The heat insulation plate 4 is provided with a through hole 41, and the through hole 41 is used for communicating the spaces on two sides of the heat insulation plate 4 in the box body 1. And a second refrigerating mechanism 42 is arranged below the heat insulation plate 4, the second refrigerating mechanism 42 can be a semiconductor refrigerating sheet, and the second refrigerating mechanism 42 is used for reducing the temperature of the space below the heat insulation plate 4. After the fan 21 sucks low-temperature air into the box body 1, the low-temperature air has high density and is accumulated below the heat insulation plate 4, and at the moment, water vapor in the air below the heat insulation plate 4 can be further condensed below the heat insulation plate 4 to form liquid water. When the ventilating fan 3 is started, the ventilating fan 3 pumps out the air above the heat insulation board 4, and the air pressure difference is formed between the upper side and the lower side of the heat insulation board 4, at the moment, the low-temperature air below the heat insulation board 4 can flow to the upper side of the heat insulation board 4 from the permeation hole 41. The user can make low-temperature gas cool down the electrical equipment by installing the electrical equipment in the box body 1 on the upper side of the heat insulation plate 4, and can further cool down the electrical equipment on the basis of achieving the dehumidification effect, thereby improving the performance and the stability of the electrical equipment.

Referring to fig. 3 and 4, a collecting member 5 is installed in the case 1, and the collecting member 5 is located below the air intake holes 12. The collecting member 5 has a funnel-shaped structure, and condensed water below the heat insulating plate 4 can fall onto the collecting member 5 under the action of gravity and flow down along the collecting member 5. Be provided with in the box 1 and collect box 6, collect box 6 and be used for the splendid attire comdenstion water, the comdenstion water in collecting 5 can flow to collecting box 6 in, makes things convenient for user of service to collect and handle.

Referring to fig. 3 and 4, the door 11 includes a blocking door 111 and a heat insulating door 112, both the blocking door 111 and the heat insulating door 112 are rotatably connected to the housing 1, and a heat insulating plate is mounted on the heat insulating door 112 at a side close to the housing 1. The blocking door 111 is used for blocking the space above the heat insulation board 4 in the box body 1, and the heat insulation door 112 is used for blocking the space below the heat insulation board 4. When a user opens the plugging door 111 and overhauls the electrical equipment, the heat insulation door 112 can keep a closed state and keep the space below the heat insulation plate 4 at a low temperature, so that low-temperature air is reduced to be diffused, and energy waste is reduced.

The implementation principle of the embodiment of the application is as follows: through set up air inlet mechanism 2 and ventilation fan 3 in box 1, make fan 21 can be with in the outer air suction box 1 of box 1, ventilation fan 3 is through taking out the high temperature gas in the box 1, reach the effect that makes the electrical equipment cooling in the box 1, through set up refrigeration mechanism 24 on ventilation pipe 22, make the vapor in the air that gets into box 1 from ventilation pipe 22 and extension 23 can condense to liquid water, and then make the air humidity that gets into in the box 1 reduce, can reduce the destruction of humid air to electrical equipment.

The embodiments of the present invention are preferred embodiments of the present application, and the scope of protection of the present application is not limited by the embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A DC magnetic bias suppression device is characterized in that: comprises a box body (1), a box door (11) is rotatably connected on the box body (1), the box door (11) is used for sealing an opening of the box body (1), an air inlet hole (12) and an air outlet hole (13) are arranged on the box body (1), an air inlet mechanism (2) is arranged on the box body (1), the air inlet mechanism (2) comprises a fan (21) and a ventilation pipe (22), the fan (21) is arranged in the air inlet hole (12), the fan (21) is used for pumping the air outside the box body (1) into the box body (1), the ventilation pipe (22) is installed on the air inlet hole (12) and is located outside the box body (1), a first refrigerating mechanism (24) is installed on the ventilation pipe (22), the first refrigerating mechanism (24) is used for reducing the temperature of air entering the box body (1), the box body (1) is provided with the ventilating fan (3), the ventilating fan (3) is installed in the air outlet hole (13), and the ventilating fan (3) is used for extracting air in the box body (1).

2. A dc magnetic bias suppression device according to claim 1, wherein: the ventilation pipe (22) comprises a horizontal part (221) and a vertical part (222), the horizontal part (221) is communicated with the vertical part (222), the horizontal part (221) is perpendicular to the vertical part (222), the end part of the horizontal part (221) is connected to the box body (1), and the vertical part (222) is vertically downward.

3. A dc magnetic bias suppression device according to claim 2, wherein: an extension pipe (23) is installed on the ventilation pipe (22), and the extension pipe (23) is of a spiral tubular structure.

4. A dc magnetic bias suppressing device according to claim 3, wherein: the ventilation pipe (22) and the extension pipe (23) are detachably connected.

5. A dc magnetic bias suppressing device according to claim 1, characterized in that: the air inlet hole (12) is positioned at the lower side of the box body (1), and the air outlet hole (13) is positioned at the upper top of the box body (1).

6. A DC magnetic bias suppression device according to claim 5, wherein: the refrigerator is characterized in that a heat insulation plate (4) is arranged in the box body (1), the space in the box body (1) is separated by the heat insulation plate (4), the air inlet hole (12) and the air outlet hole (13) are respectively located on two sides of the heat insulation plate (4), a refrigerating mechanism II (42) is arranged on one side, close to the air inlet hole (12), of the heat insulation plate (4), the refrigerating mechanism II (42) is used for reducing the temperature in the box body (1), a plurality of through holes (41) are formed in the heat insulation plate (4), and the through holes (41) are used for communicating the space in two sides of the heat insulation plate (4) in the box body (1).

7. A dc magnetic bias suppression device according to claim 6, wherein: the novel solar water heater is characterized in that a collecting piece (5) is arranged in the box body (1), a collecting box (6) is arranged in the box body (1), the collecting piece (5) and the collecting box (6) are located on one side, close to the air inlet (12), of the heat insulation plate (4), and the collecting piece (5) is used for guiding condensed water in the box body (1) to flow into the collecting box (6).

8. A dc magnetic bias suppression device according to claim 7, wherein: the box door (11) comprises a blocking door (111) and a heat insulation door (112), the blocking door (111) and the heat insulation door (112) are rotatably connected to the box body (1), the blocking door (111) is used for blocking a space in the box body (1) communicated with the air outlet hole (13), and the heat insulation door (112) is used for blocking a space in the box body (1) communicated with the air inlet hole (12).