CN211295761U - Switch cabinet with dehumidifying device - Google Patents

Abstract

The utility model discloses a switch cabinet with a dehumidification device, which comprises a switch cabinet body, a dehumidification device is fixed on the side wall of the switch cabinet body, and the dehumidification device comprises a casing, and an air inlet duct is arranged in the casing , an air outlet duct and a semiconductor refrigerator, the air inlet duct is communicated with the lower part of the air outlet duct, the bottom of the air outlet duct is connected with a water outlet pipe, and the air inlet of the air inlet duct is located on the side wall of the casing, The air outlet of the air outlet duct is located at the top of the casing, the cooling end of the semiconductor refrigerator is located in the air inlet duct, the air outlet duct is also provided with an induced draft fan, and the water outlet pipe is connected to the switch cabinet. the hose outside the body. The advantages of the utility model are: a dehumidification device is installed in the switch cabinet, and the excess water vapor in the switch cabinet is condensed into water and discharged out of the switch cabinet through the dehumidification device, thereby reducing the risk of high voltage breakdown of the insulating device and improving the reliability of the device. , while extending the service life of the equipment.

Description

A switch cabinet with dehumidification device

technical field

The utility model relates to a switch cabinet with a dehumidification device.

Background technique

The normal temperature dehumidification device for switch cabinets can be widely used in various power and communication equipment such as power distribution cabinets, electrical control boxes, small storage cabinets and box-type substations that require high humidity, but many switch cabinets use high humidity, especially In the southern region and some mountainous areas, high air humidity will cause salt spray to corrode the surface of electronic components and form condensation, which increases the risk of high-voltage breakdown of insulating devices, reduces the reliability of devices, and shortens the life of the equipment.

Utility model content

The purpose of the utility model is to provide a switch cabinet with a dehumidification device, which can effectively solve the problems of excessive humidity in the existing switch cabinet and short equipment life.

In order to solve the above-mentioned technical problems, the present utility model is realized by the following technical solutions: a switch cabinet with a dehumidification device, comprising a switch cabinet body, a dehumidification device is fixed on the side wall of the switch cabinet body, and the dehumidification device includes The casing is provided with an air inlet duct, an air outlet duct and a semiconductor refrigerator, the air inlet duct communicates with the lower part of the air outlet duct, the bottom of the air outlet duct is connected with a water outlet pipe, and the air inlet The air inlet of the duct is located on the side wall of the casing, the air outlet of the air outlet duct is located on the top of the casing, the cooling end of the semiconductor refrigerator is located in the air inlet duct, and the air outlet duct is also provided with a guide. The fan, the water outlet pipe is connected with a hose leading to the outside of the switch cabinet body.

Preferably, the heating end of the semiconductor refrigerator is attached to the side wall of the air outlet duct, and the side wall of the air outlet duct is used to carry heat out, so as to achieve the purpose of cooling the heating end.

Preferably, it also includes a humidity sensor and a controller, the humidity sensor is located at the air inlet of the air inlet duct, the humidity sensor is connected to the controller, and the controller is also connected to the semiconductor refrigerator, and the humidity sensor is used to sense the incoming air The humidity of the air in the air inlet duct, when the air humidity is lower than the set value, the semiconductor refrigerator can be stopped by the controller to save energy, and the semiconductor refrigerator can be automatically turned on when the air humidity is higher than the set value. So as to realize intelligent operation.

Preferably, the air inlet duct is arranged horizontally, the vertical height of the air inlet of the air inlet duct is higher than the vertical height of the air outlet of the air inlet duct, and the condensed water generated in the air inlet duct goes to the outlet of the air inlet duct It flows in the same direction and enters the air outlet pipe to be discharged to prevent the condensed water from entering the switch cabinet.

Preferably, the air outlet duct is arranged vertically, the bottom of the air outlet duct is conical in shape with a large top and a small bottom, the water outlet pipe is connected to the bottom end of the bottom of the air outlet duct, and the vertically arranged air outlet duct, So that the condensed water will not be discharged from the air outlet of the air outlet pipe, and the setting at the bottom of the air outlet pipe can easily collect the condensed water and discharge the pipe in time.

Preferably, the switchgear body is provided with an inner frame covering the dehumidification device, and the dehumidification device is protected by the inner frame to prevent the dehumidification device from being damaged during installation or maintenance of other components, and also to prevent other cables from blocking the dehumidification device. device, affecting its normal operation.

Preferably, an outer frame is fixed on the switchgear body outside the dehumidification device, a water outlet joint is fixed at the bottom of the outer frame, the hose is connected with the water outlet joint, and the water outlet joint is used to protect the hose from randomly floating Causes condensed water to be scattered randomly, and at the same time protects the hose from damage, and the outer frame is used to fix the water outlet joint.

Compared with the prior art, the utility model has the advantages that a dehumidification device is installed in the switch cabinet, and the excess water vapor in the switch cabinet is condensed into water and discharged from the switch cabinet through the dehumidification device, thereby reducing the risk of high voltage breakdown of the insulating device. , which improves the reliability of the device and prolongs the service life of the device.

The use of semiconductor refrigerators uses a lower temperature to condense moisture into condensation, and discharges the moisture from the outlet pipe of the air outlet to the switchgear to keep the interior of the switchgear dry, which fundamentally solves the problem of humidity in the switchgear. Excessive heat will be generated without affecting the surrounding cables.

Description of drawings

Fig. 1 is the structural representation of a kind of switchgear with dehumidification device of the present utility model;

2 is a schematic structural diagram of a dehumidification device in a switch cabinet with a dehumidification device of the present invention.

Detailed ways

The following describes in detail the embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary, and are intended to be used to explain the present invention, but should not be construed as a limitation of the present invention.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", The orientations or positional relationships indicated by "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc. are based on the orientations shown in the drawings Or the positional relationship is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present utility model. .

1 and 2 are embodiments of a switchgear with dehumidification device of the present invention, a switchgear with dehumidification device, including a switchgear body 100, and a dehumidifier is fixed on the side wall of the switchgear body 100 The dehumidification device includes a housing, and the housing is provided with an air inlet duct, an air outlet duct and a semiconductor refrigerator, the air inlet duct communicates with the lower part of the air outlet duct, and the bottom of the air outlet duct is connected with a The water outlet pipe, the air inlet of the air inlet pipe is located on the side wall of the casing, the air outlet of the air outlet pipe is located at the top of the casing, the refrigeration end of the semiconductor refrigerator is located in the air inlet pipe, the outlet pipe The air duct is also provided with an induced draft fan, and the water outlet pipe is connected with a hose leading to the outside of the switch cabinet body 100 .

A dehumidification device is installed in the switch cabinet, and the excess water vapor in the switch cabinet is condensed into water and discharged out of the switch cabinet through the dehumidification device, which reduces the risk of high voltage breakdown of the insulating device, improves the reliability of the device, and prolongs the use of the equipment. life.

The use of semiconductor refrigerators uses a lower temperature to condense moisture into condensation, and discharges the moisture from the outlet pipe of the air outlet to the switchgear to keep the interior of the switchgear dry, which fundamentally solves the problem of humidity in the switchgear. Excessive heat will be generated without affecting the surrounding cables.

In order to save energy, it also includes a humidity sensor 9 and a controller 10, the humidity sensor 9 is located at the air inlet of the air inlet duct 2, the humidity sensor 9 is connected to the controller 10, and the controller 10 is also connected to the semiconductor refrigerator. 4 is connected, through the humidity sensor 9, the humidity of the air entering the air inlet duct 2 is sensed. When the air humidity is lower than the set value, the semiconductor refrigerator 4 can be stopped through the controller 10 to save energy. When the humidity in the air When the value is higher than the set value, the semiconductor refrigerator 4 is automatically turned on, so as to realize intelligent operation.

For the air inlet duct 2 and the air outlet duct 3, the best arrangement is that the air inlet duct 2 is arranged horizontally, and the vertical height of the air inlet of the air inlet duct 2 is higher than the vertical height of the air outlet of the air inlet duct 2. Straight height, the condensed water generated in the air inlet duct 2 flows toward the outlet of the air inlet duct 2, and enters the air outlet duct 3 to be discharged to prevent the condensed water from entering the switch cabinet. The air outlet duct 3 is vertical Arrangement, the bottom of the air outlet duct 3 is a conical shape with a big upper and a small lower, the water outlet pipe 5 is connected to the bottom end of the bottom of the air outlet duct 3, and the air outlet duct 3 is arranged vertically so that condensed water will not flow from the The air outlet of the air outlet duct 3 is discharged, and at the same time, the arrangement at the bottom of the air outlet duct 3 can conveniently collect condensed water and discharge the duct in time.

In order to protect the dehumidification device, the switch cabinet body 100 is provided with an inner frame 101 covering the dehumidification device, and the dehumidification device is protected by the inner frame 101 to prevent the dehumidification device from being damaged during installation or maintenance of other components. To prevent other cables from blocking the dehumidification device and affecting its normal operation, an outer frame 102 is also fixed outside the switch cabinet. The bottom of the outer frame 102 is fixed with a water outlet connector 103, and the hose is connected to the water outlet connector 103. , the outer frame 102 is used to fix the water outlet joint 103 .

The working principle is: the dehumidification device adopts semiconductor refrigeration technology, heat pipe heat exchange technology and intelligent control technology. When the power is turned on, the semiconductor refrigerator 4 starts to work to reduce the temperature of the condenser. When the humid air passes through the condenser, the moisture contained in the condenser condenses and accumulates on the surface of the condenser, drips into the air inlet duct 2 and then flows to the bottom of the air outlet duct 3 , is led out through the drain pipe, and the induced draft fan 8 is used to cool the radiator of the semiconductor refrigerator 4 and circulate the air to keep the humidity consistency in the dehumidifying space. The dehumidifier device can automatically monitor the ambient humidity. When the ambient humidity is lower than the set value of 5% RH, the semiconductor refrigerator 4 stops working, and the induced draft fan 8 works normally. When the ambient humidity rises to greater than or equal to the set value of 5% RH , the semiconductor refrigerator 4 starts to work again, so as to prolong the service life of the normal temperature dehumidification device of the switch cabinet and save electric energy.

During installation, the dehumidification device is fixed on the inner side wall of the switchgear body 100 by means of screws or bonding, and the water outlet pipe 5 is plugged into one end of the hose, and the other end of the hose is plugged into the water outlet joint 103 to remove the condensation. The water is led out of the switchgear.

The above are only specific embodiments of the present invention, but the technical features of the present invention are not limited thereto. Any changes or modifications made by those skilled in the art in the field of the present invention are all included in the present invention. within the scope of the new patent.

Claims (7)

1. A switchgear with a dehumidification device, comprising a switchgear body (100), characterized in that: a dehumidification device is fixed on the side wall of the switchgear body (100), and the dehumidification device comprises a housing (1) The housing (1) is provided with an air inlet duct (2), an air outlet duct (3) and a semiconductor refrigerator (4), and the air inlet duct (2) communicates with the lower part of the air outlet duct (3) , the bottom of the air outlet duct (3) is connected with a water outlet pipe (5), the air inlet of the air inlet duct (2) is located on the side wall of the housing (1), and the air outlet duct (3) is The air outlet is located at the top of the casing (1), the cooling end (6) of the semiconductor refrigerator (4) is located in the air inlet duct (2), and the air outlet duct (3) is also provided with an induced draft fan (8). ), the water outlet pipe is connected with a hose leading to the outside of the switch cabinet body (100). 2. A switchgear with dehumidification device according to claim 1, characterized in that: the heating end (7) of the semiconductor refrigerator (4) is attached to the side wall of the air outlet duct (3) . 3. A switchgear with dehumidification device as claimed in claim 1, characterized in that: the dehumidification device further comprises a humidity sensor (9) and a controller (10), and the humidity sensor (9) is located in the air inlet duct ( 2) At the air inlet, the humidity sensor (9) is connected to a controller (10), and the controller (10) is also connected to a semiconductor refrigerator (4). 4. The switchgear with dehumidification device according to claim 1, wherein the air inlet duct (2) is arranged horizontally, and the vertical height of the air inlet of the air inlet duct (2) is higher than that of the air inlet. The vertical height of the air outlet of the air duct (2). 5. A switchgear with dehumidification device according to claim 1, characterized in that: the air outlet duct (3) is arranged vertically, and the bottom of the air outlet duct (3) is a cone with a big upper and a smaller lower. The water outlet pipe (5) is connected to the bottommost end of the bottom of the air outlet pipe (3). 6. The switchgear with dehumidification device according to claim 1, characterized in that: the switchgear body (100) is provided with an inner frame (101) covering the dehumidification device. 7. A switchgear with a dehumidification device according to claim 1, characterized in that: an outer frame (102) is fixed on the switchgear body (100) outside the dehumidification device, and the outer frame (102) A water outlet joint (103) is fixed at the bottom of the hose, and the hose is connected with the water outlet joint (103).

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