Dehumidification device of switch cabinet

Abstract

The utility model belongs to the technical field of switch cabinets, and particularly relates to a dehumidification device of a switch cabinet, which comprises the switch cabinet, the dehumidification device is arranged on the outer side of the switch cabinet, the dehumidification device comprises a dehumidification unit, a cooling unit and a height adjusting unit, the dehumidification unit is arranged on the right side of the switch cabinet, and the cooling unit is arranged on the top of the switch cabinet. According to the dehumidification device of the switch cabinet, the dehumidification unit is arranged, an exhaust fan is started to suck air in the switch cabinet and external air into the box body through an exhaust pipe I and an exhaust pipe II respectively, the air is filtered by a filter screen and dried by a drying agent in the box body, and then the air is introduced into the switch cabinet along an air inlet pipe I and an air inlet pipe II, so that the switch cabinet is dehumidified; meanwhile, the switch cabinet is kept sealed, dust in air is prevented from entering the switch cabinet, the service life of the switch cabinet is prolonged, and the problem that the service life of the switch cabinet is affected due to the fact that external dust enters the switch cabinet through a water outlet and a ventilation opening in the dehumidification process in the using process in the background technology is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of switch cabinets, in particular to a dehumidification device for a switch cabinet. Background Art

[0002] The main function of the switchgear is to open and close, control and protect electrical equipment during the process of power generation, transmission, distribution and energy conversion in the power system. The components in the switchgear mainly include circuit breakers, disconnectors, load switches, operating mechanisms, transformers and various protective devices.

[0003] Switch cabinets are widely used. Switch cabinets installed outdoors are easily affected by the surrounding environment, especially in rainy weather. The humidity inside the switch cabinet is high, and condensation and water droplets are easily formed on the inner wall, and even water accumulation may form in the switch cabinet, which not only accelerates the aging of various components in the switch cabinet, but also reduces the safety factor of the switch cabinet.

[0004] For example, Chinese patent CN212033484U discloses a dehumidification device for a switch cabinet. Through components such as an induced draft fan, a water filter box, a rain shield, a drainage trough, and a water filter, moisture in the switch cabinet can be effectively discharged. The dehumidification effect is good and the water filter components can be recycled. The drainage trough can be used to discharge condensation, water droplets, etc. in the switch cabinet in time, thereby avoiding water accumulation in the switch cabinet and improving the safety of the switch cabinet.

[0005] However, during the dehumidification process of the device in use, external dust will enter the switch cabinet through the drain port and the vent, affecting the service life of the switch cabinet.

[0006] For this reason, we urgently need to provide a dehumidification device for a switch cabinet. Utility Model Content

[0007] The purpose of the utility model is to provide a dehumidification device for a switch cabinet to solve the problem in the above background technology that external dust will enter the switch cabinet through the drain and ventilation holes during the dehumidification process during use, thereby affecting the service life of the switch cabinet.

[0008] To achieve the above-mentioned purpose, the utility model provides the following technical solution: a dehumidification device for a switch cabinet, comprising a switch cabinet, wherein a dehumidification device is arranged outside the switch cabinet.

[0009] The dehumidification device includes a dehumidification unit, a cooling unit and a height adjustment unit. The dehumidification unit is arranged on the right side of the switch cabinet, the cooling unit is arranged on the top of the switch cabinet, and the height adjustment unit is arranged on the bottom of the switch cabinet.

[0010] The dehumidification unit includes a housing, a filter, a box, an exhaust duct 1, an exhaust duct 2, an air inlet duct 1, an exhaust fan and an air inlet duct 2. The housing is fixedly installed on the right side of the switch cabinet, the filter is installed inside the filter, the box is installed inside the filter at the front end of the filter, the exhaust duct 1 is connected to the back of the housing, the exhaust duct 2 is connected to the right side of the housing, the air inlet duct 1 is connected to the front end of the housing, the exhaust fan is installed on the top of the housing, and the air inlet duct 2 is connected to the top of the exhaust fan.

[0011] Preferably, the cooling unit includes a cooling box, a shell, a liquid inlet and a liquid outlet, the cooling box is installed on the top of the switch cabinet, the shell is installed on the outer side of the second air inlet pipe, the liquid inlet is connected to the front end of the cooling box, and the liquid outlet is connected to the right side of the rear end of the shell.

[0012] Preferably, the height adjustment unit includes an upper support rod, a lower support rod, a base plate, bolts and nuts. The upper support rod is fixedly installed around the bottom of the switch cabinet, the lower support rod is installed inside the upper support rod, and the base plate is fixedly installed at the bottom of the front and rear lower support rods. The bolts pass through the upper and lower support rods, and the nuts are threadedly connected to the outside of the bolts.

[0013] Preferably, a desiccant is contained inside the box body, and a through hole is opened on the surface of the box body, and the air drawn in is dried by the desiccant in the box body and then passed into the switch cabinet, thereby achieving dehumidification of the switch cabinet.

[0014] Preferably, one end of the exhaust duct one away from the box body is connected to the back of the switch cabinet, one end of the air inlet duct one away from the box body is connected to the exhaust fan, and one end of the air inlet duct two away from the exhaust fan is connected to the top of the switch cabinet. By starting the exhaust fan, the humid air inside the switch cabinet is extracted and passed into the switch cabinet after being filtered by the filter and dried by the desiccant, so that the switch cabinet remains sealed and dehumidifies, while preventing external dust from entering the switch cabinet.

[0015] Preferably, the cooling box contains coolant, and a water pump is installed inside the cooling box. The coolant in the cooling box is sent into the shell by the water pump to cool the dry air in the air inlet pipe 2. The cooled dry air is passed into the switch cabinet to cool the switch cabinet.

[0016] Preferably, the surface of the lower support rod is provided with evenly distributed connection holes, and the upper support rod is provided with positioning holes, which are connected to the connection holes at different positions through bolts passing through the positioning holes, so as to adjust the height of the switch cabinet and lift the switch cabinet to an appropriate height to prevent moisture from the ground from penetrating into the interior of the switch cabinet.

[0017] Compared with the prior art, the beneficial effects of the utility model are:

[0018] 1. The dehumidification device of the switch cabinet sets a dehumidification unit, turns on the exhaust fan to draw the air in the switch cabinet and the outside air into the box through the exhaust pipe 1 and the exhaust pipe 2 respectively, and then passes into the switch cabinet along the air inlet pipe 1 and the air inlet pipe 2 after being filtered by the filter and dried by the desiccant in the box, so as to dehumidify the switch cabinet and keep the switch cabinet sealed at the same time, so as to prevent dust in the air from entering the switch cabinet and improve the service life of the switch cabinet, and solves the problem in the background technology that the outside dust will enter the switch cabinet through the drain port and the vent during the dehumidification process during use, thereby affecting the service life of the switch cabinet.

[0019] 2. The dehumidification device of the switch cabinet is provided with a height adjustment unit, which is connected to the connection holes at different positions by bolts passing through the positioning holes, so as to adjust the height of the switch cabinet, so that the switch cabinet is lifted to an appropriate height, thereby preventing moisture from the ground from penetrating into the switch cabinet and improving the dehumidification effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0021] Figure 2 This is a schematic diagram of the structure of the connection between the switch cabinet and the dehumidification unit of the utility model;

[0022] Figure 3 This is a cross-sectional view of the internal structure of the box of the utility model;

[0023] Figure 4 It is a schematic diagram of the structure of the height adjustment unit of the utility model.

[0024] In the figure: 1, switch cabinet; 201, box body; 202, filter; 203, box body; 204, exhaust duct one; 205, exhaust duct two; 206, air inlet duct one; 207, exhaust fan; 208, air inlet duct two; 301, cooling box; 302, shell; 303, liquid inlet; 304, liquid outlet; 401, upper support rod; 402, lower support rod; 403, bottom plate; 404, bolts; 405, nuts. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] See also Figure 1-Figure 4 , the utility model provides a technical solution:

[0027] Embodiment 1:

[0028] A dehumidification device for a switch cabinet comprises a switch cabinet 1. The dehumidification device is arranged outside the switch cabinet 1.

[0029] The dehumidification device includes a dehumidification unit, a cooling unit and a height adjustment unit. The dehumidification unit is arranged on the right side of the switch cabinet 1, the cooling unit is arranged on the top of the switch cabinet 1, and the height adjustment unit is arranged on the bottom of the switch cabinet 1.

[0030] The dehumidification unit includes a box body 201, a filter 202, a box body 203, an exhaust pipe 1 204, an exhaust pipe 205, an air inlet pipe 1 206, an exhaust fan 207 and an air inlet pipe 2 208. The box body 201 is fixedly installed on the right side of the switch cabinet 1, the filter 202 is installed inside the filter 202, the box body 203 is installed inside the filter 202 and is located at the front end of the filter 202. A desiccant is placed inside the box body 203, and a through hole is opened on the surface of the box body 203. The air drawn in is dried by the desiccant in the box body 203 and then passed into the switch cabinet 1, thereby realizing the dehumidification of the switch cabinet 1. The exhaust pipe 1 204 is connected to the back of the box body 201, and the exhaust pipe 205 is connected to the box body 201. On the right side of the box body 201, the air inlet pipe 1 206 is connected to the front end of the box body 201, the exhaust fan 207 is installed on the top of the box body 201, the air inlet pipe 208 is connected to the top of the exhaust fan 207, the end of the exhaust pipe 1 204 away from the box body 201 is connected to the back of the switch cabinet 1, the end of the air inlet pipe 1 206 away from the box body 201 is connected to the exhaust fan 207, and the end of the air inlet pipe 208 away from the exhaust fan 207 is connected to the top of the switch cabinet 1. By starting the exhaust fan 207, the humid air inside the switch cabinet 1 is extracted and filtered by the filter net 202 and dried by the desiccant, and then passed into the switch cabinet 1, so that the switch cabinet 1 remains sealed and dehumidifies at the same time, and external dust is prevented from entering the switch cabinet 1.

[0031] Embodiment 2:

[0032] On the basis of Example 1: the cooling unit includes a cooling box 301, a shell 302, a liquid inlet 303 and a liquid outlet 304, the cooling box 301 is installed on the top of the switch cabinet 1, the cooling box 301 contains coolant, and a water pump is installed inside the cooling box 301, the coolant in the cooling box 301 is sent into the shell 302 by the water pump, the dry air in the air inlet pipe 208 is cooled, the cooled dry air is passed into the switch cabinet 1, the switch cabinet 1 is cooled, the shell 302 is installed on the outside of the air inlet pipe 208, the liquid inlet 303 is connected to the front end of the cooling box 301, the liquid outlet 304 is connected to the right side of the rear end of the shell 302, so that the coolant in the shell 302 is discharged.

[0033] Embodiment three:

[0034] On the basis of Example 1: the height adjustment unit includes an upper support rod 401, a lower support rod 402, a base plate 403, bolts 404 and nuts 405. The upper support rod 401 is fixedly installed around the bottom of the switch cabinet 1, and the lower support rod 402 is installed inside the upper support rod 401. The surface of the lower support rod 402 is provided with evenly distributed connection holes, and the upper support rod 401 is provided with positioning holes. The bolts 404 penetrate the positioning holes and are connected to the connection holes at different positions, so as to adjust the height of the switch cabinet 1, so that the switch cabinet 1 is lifted to an appropriate height to prevent moisture from the ground from penetrating into the switch cabinet 1. The base plate 403 is fixedly installed at the bottom of the front and rear lower support rods 402, the bolts 404 penetrate the upper support rod 401 and the lower support rod 402, and the nuts 405 are threadedly connected to the outside of the bolts 404.

[0035] When in use, the switch cabinet 1 is installed at the desired position, and then the bolts 404 are passed through the positioning holes to connect with the connection holes at different positions, and the height of the switch cabinet 1 is adjusted to a suitable position to prevent moisture from the ground from penetrating into the switch cabinet 1. Then, the exhaust fan 207 is turned on to draw the air in the switch cabinet 1 and the outside air into the box body 201 through the exhaust pipe 1 204 and the exhaust pipe 2 205 respectively. After being filtered by the filter 202 and dried by the desiccant in the box body 203, the air is passed into the switch cabinet 1 along the air inlet pipe 1 206 and the air inlet pipe 2 208 to dehumidify the switch cabinet 1. At the same time, the switch cabinet 1 is kept sealed to prevent dust in the air from entering the switch cabinet 1. When the internal temperature of the switch cabinet 1 is too high, the water pump of the cooling box 301 is started, and the coolant in the cooling box 301 is sent into the shell 302 through the water pump to cool the dry air in the air inlet pipe 208. The cooled dry air is passed into the switch cabinet 1 to cool the switch cabinet 1.

[0036] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the statement "comprise a ..." do not exclude the presence of other identical elements in the process, method, article or device including the elements.

Claims

1. A dehumidification device for a switch cabinet, comprising a switch cabinet (1), characterized in that: A dehumidification device is arranged outside the switch cabinet (1); The dehumidification device comprises a dehumidification unit, a cooling unit and a height adjustment unit, wherein the dehumidification unit is arranged on the right side of the switch cabinet (1), the cooling unit is arranged on the top of the switch cabinet (1), and the height adjustment unit is arranged on the bottom of the switch cabinet (1); The dehumidification unit comprises a housing (201), a filter (202), a box (203), an exhaust pipe 1 (204), an exhaust pipe 2 (205), an air inlet pipe 1 (206), an exhaust fan (207) and an air inlet pipe 2 (208); the housing (201) is fixedly mounted on the right side of the switch cabinet (1); the filter (202) is mounted inside the filter (202); the housing (203) is mounted inside the filter (202) and is located at the front end of the filter (202); the exhaust pipe 1 (204) is connected to the back side of the housing (201); the exhaust pipe 2 (205) is connected to the right side of the housing (201); the air inlet pipe 1 (206) is connected to the front end of the housing (201); the exhaust fan (207) is mounted on the top of the housing (201); and the air inlet pipe 2 (208) is connected to the top of the exhaust fan (207).

2. A dehumidification device for a switch cabinet according to claim 1, characterized in that: The cooling unit comprises a cooling box (301), a shell (302), a liquid inlet (303) and a liquid outlet (304); the cooling box (301) is installed on the top of the switch cabinet (1); the shell (302) is installed on the outside of the second air inlet pipe (208); the liquid inlet (303) is connected to the front end of the cooling box (301); and the liquid outlet (304) is connected to the right side of the rear end of the shell (302).

3. The dehumidification device for a switch cabinet according to claim 1, characterized in that: The height adjustment unit comprises an upper support rod (401), a lower support rod (402), a bottom plate (403), bolts (404) and nuts (405); the upper support rod (401) is fixedly installed around the bottom of the switch cabinet (1); the lower support rod (402) is installed inside the upper support rod (401); the bottom plate (403) is fixedly installed at the bottom of the front and rear lower support rods (402); the bolts (404) penetrate the upper support rod (401) and the lower support rod (402); and the nuts (405) are threadedly connected to the outside of the bolts (404).

4. A dehumidification device for a switch cabinet according to claim 1, characterized in that: The box body (203) contains a desiccant, and a through hole is provided on the surface of the box body (203).

5. The dehumidification device for a switch cabinet according to claim 1, characterized in that: The end of the exhaust pipe 1 (204) away from the box body (201) is connected to the back of the switch cabinet (1), the end of the air inlet pipe 1 (206) away from the box body (201) is connected to the exhaust fan (207), and the end of the air inlet pipe 2 (208) away from the exhaust fan (207) is connected to the top of the switch cabinet (1).

6. A dehumidification device for a switch cabinet according to claim 2, characterized in that: The cooling box (301) contains cooling liquid, and a water pump is installed inside the cooling box (301).

7. The dehumidification device for a switch cabinet according to claim 3, characterized in that: The surface of the lower support rod (402) is provided with evenly distributed connection holes, and the upper support rod (401) is provided with positioning holes.

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