CN110994392A

CN110994392A - Switch cabinet with dehumidifying device

Info

Publication number: CN110994392A
Application number: CN201911364383.XA
Authority: CN
Inventors: 周唯逸; 吴信文; 肖郭璇; 田烨; 吴书哲; 陈捷冬; 陈冀; 叶青
Original assignee: State Grid Zhejiang Yueqing Power Supply Co ltd; Wenzhou Power Supply Co of State Grid Zhejiang Electric Power Co Ltd
Current assignee: State Grid Zhejiang Yueqing Power Supply Co ltd; Wenzhou Power Supply Co of State Grid Zhejiang Electric Power Co Ltd
Priority date: 2019-12-26
Filing date: 2019-12-26
Publication date: 2020-04-10

Abstract

The invention discloses a switch cabinet with a dehumidifying device, which comprises a switch cabinet body, wherein the dehumidifying device is fixed on the side wall of the switch cabinet body and comprises a shell, an air inlet pipeline, an air outlet pipeline and a semiconductor refrigerator are arranged in the shell, the air inlet pipeline is communicated with the lower part of the air outlet pipeline, the bottom of the air outlet pipeline is connected with a water outlet pipe, an air inlet of the air inlet pipeline is positioned on the side wall of the shell, an air outlet of the air outlet pipeline is positioned at the top of the shell, a refrigerating end of the semiconductor refrigerator is positioned in the air inlet pipeline, an induced draft fan is further arranged in the air outlet pipeline, and the water outlet pipe is connected with a hose leading to the outside of the switch cabinet body. The invention has the advantages that: the dehumidification device is installed in the switch cabinet, and redundant water vapor in the switch cabinet is condensed into water to be discharged out of the switch cabinet through the dehumidification device, so that the risk that an insulating device is broken down by high voltage is reduced, the reliability of the device is improved, and the service life of equipment is prolonged.

Description

Switch cabinet with dehumidifying device

Technical Field

The invention relates to a switch cabinet with a dehumidifying device.

Background

The switch cabinet normal temperature dehumidification device can be widely applied to various electric power and communication equipment such as power distribution cabinets, electrical control boxes, small-sized storage cabinets, box-type substations and the like with high requirements on humidity, but the humidity of the use environment of a plurality of switch cabinets is high, particularly in local mountainous areas in southern areas, salt mist can be generated due to high humidity to corrode the surfaces of electronic components to form condensation, the risk that an insulating device is broken down by high voltage is improved, the reliability of the device is reduced, and the service life of the equipment is shortened.

Disclosure of Invention

The invention aims to provide a switch cabinet with a dehumidifying device, which can effectively solve the problems of overlarge humidity and short service life of equipment in the conventional switch cabinet.

In order to solve the technical problems, the invention is realized by the following technical scheme: the utility model provides a take dehydrating unit's cubical switchboard, includes the cubical switchboard body, be fixed with dehydrating unit on the lateral wall of cubical switchboard body, dehydrating unit includes the casing, be equipped with air-supply line, air-out pipeline and semiconductor refrigerator in the casing, the air-supply line communicates with the lower part that goes out the air-out pipeline, the bottom that goes out the air-out pipeline even has the outlet pipe, the air intake of air-supply line is located the lateral wall of casing, the air outlet that goes out the air-out pipeline is located the top of casing, semiconductor refrigerator's refrigeration end is located the air-supply line, still be equipped with the draught fan in the air-out pipeline, the outlet pipe even has the hose that leads to this.

Preferably, the heating end of the semiconductor refrigerator is attached to the side wall of the air outlet pipeline, and the side wall of the air outlet pipeline is used for taking out heat, so that the purpose of cooling the heating end is achieved.

Preferably, still include humidity transducer and controller, humidity transducer is located the air inlet department of intake stack, humidity transducer links to each other with the controller, the controller still links to each other with the semiconductor refrigerator, and through humidity transducer, the perception gets into the humidity of the interior air of intake stack, when air humidity is less than the setting value, can let the semiconductor refrigerator stop work through the controller to the energy saving, automatically turn on the semiconductor refrigerator again when humidity is higher than the setting value in the air, thereby realize intelligent operation.

Preferably, the air inlet pipeline is transversely arranged, the vertical height of an air inlet of the air inlet pipeline is higher than that of an air outlet of the air inlet pipeline, condensed water generated in the air inlet pipeline flows towards the outlet direction of the air inlet pipeline and enters the air outlet pipeline to be discharged, and the condensed water is prevented from entering the switch cabinet.

Preferably, the vertical setting of air-out pipeline, air-out pipeline bottom is big-end-up's taper shape, go out the water piping connection in the bottommost of air-out pipeline bottom, the air-out pipeline of vertical setting lets the comdenstion water can not be discharged from the air outlet of air-out pipeline, and the comdenstion water that collects that setting up of air-out pipeline bottom simultaneously can be convenient, in time discharge tube.

Preferably, this internal inside casing that covers dehydrating unit that is equipped with of cubical switchboard protects dehydrating unit through the inside casing, prevents to damage dehydrating unit when installation or other parts of maintenance, also can prevent simultaneously that other cables from blocking dehydrating unit, influences its normal work.

Preferably, an outer frame is fixed on the switch cabinet body outside the dehumidifying device, a water outlet connector is fixed at the bottom of the outer frame, the hose is connected with the water outlet connector, the water outlet connector is used for protecting the hose from randomly floating to cause condensate water to be scattered, meanwhile, the hose is protected from being damaged difficultly, and the outer frame is used for fixing the water outlet connector.

Compared with the prior art, the invention has the advantages that: the dehumidification device is installed in the switch cabinet, and redundant water vapor in the switch cabinet is condensed into water to be discharged out of the switch cabinet through the dehumidification device, so that the risk that an insulating device is broken down by high voltage is reduced, the reliability of the device is improved, and the service life of equipment is prolonged.

Adopt semiconductor cooler, utilize lower temperature to let moisture condense into the condensation, follow the outlet pipe of air-out pipeline with moisture discharge cubical switchboard, keep the cubical switchboard inside dry, from solving the interior humidity puzzlement of cubical switchboard fundamentally, the dehydrating unit shell can not produce too much heat moreover, does not exert an influence to cable on every side.

Drawings

FIG. 1 is a schematic structural diagram of a switch cabinet with a dehumidifying apparatus according to the present invention;

fig. 2 is a schematic structural diagram of a dehumidifying device in a switch cabinet with the dehumidifying device according to the present invention.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be considered as limiting the present invention.

Referring to fig. 1 and 2, the switch cabinet with the dehumidifying device according to the embodiment of the switch cabinet with the dehumidifying device of the present invention includes a switch cabinet body 100, the dehumidifying device is fixed on a side wall of the switch cabinet body 100, the dehumidifying device includes a housing, an air inlet duct, an air outlet duct and a semiconductor refrigerator are arranged in the housing, the air inlet duct is communicated with a lower portion of the air outlet duct, a water outlet pipe is connected to a bottom of the air outlet duct, an air inlet of the air inlet duct is located on a side wall of the housing, an air outlet of the air outlet duct is located at a top of the housing, a refrigerating end of the semiconductor refrigerator is located in the air inlet duct, an induced draft fan is further arranged in the air outlet duct, and the water outlet pipe is connected to a hose leading to an outside of the.

The dehumidification device is installed in the switch cabinet, and redundant water vapor in the switch cabinet is condensed into water to be discharged out of the switch cabinet through the dehumidification device, so that the risk that an insulating device is broken down by high voltage is reduced, the reliability of the device is improved, and the service life of equipment is prolonged.

In order to save energy, the air conditioner further comprises a humidity sensor 9 and a controller 10, wherein the humidity sensor 9 is located at an air inlet of the air inlet pipeline 2, the humidity sensor 9 is connected with the controller 10, the controller 10 is further connected with the semiconductor refrigerator 4, the humidity of air entering the air inlet pipeline 2 is sensed through the humidity sensor 9, when the humidity of the air is lower than a set value, the semiconductor refrigerator 4 can be stopped through the controller 10, energy is saved, and when the humidity of the air is higher than the set value, the semiconductor refrigerator 4 is automatically started, so that intelligent operation is achieved.

To intake stack 2 and air-out pipeline 3, the best mode of setting does, intake stack 2 transversely sets up, intake stack 2's the vertical height that highly is higher than intake stack 2's air outlet, the comdenstion water that produces in intake stack 2 flows toward intake stack 2's export direction, is discharged in entering into air-out pipeline 3, prevents that the comdenstion water from entering into the cubical switchboard, the vertical setting of air-out pipeline 3, air-out pipeline 3 bottom is big-end-up's taper shape, outlet pipe 5 is connected in the bottommost of air-out pipeline 3 bottom, and the air-out pipeline 3 of vertical setting lets the comdenstion water can not be discharged from air-out pipeline 3's air outlet, and the comdenstion water that sets up simultaneously air-out pipeline 3 bottom can be convenient collects, in time discharge tube.

In order to protect the dehumidifying device, an inner frame 101 covering the dehumidifying device is arranged in the switch cabinet body 100, the dehumidifying device is protected by the inner frame 101, the dehumidifying device is prevented from being damaged when other parts are installed or maintained, meanwhile, other cables can be prevented from blocking the dehumidifying device to influence the normal operation of the dehumidifying device, an outer frame 102 is also fixed outside the switch cabinet body, a water outlet connector 103 is fixed at the bottom of the outer frame 102, the hose is connected with the water outlet connector 103, and the outer frame 102 is used for fixing the water outlet connector 103.

The working principle is as follows: the dehumidifier adopts semiconductor refrigeration technology, heat pipe heat exchange technology and intelligent control technology. When the power supply is switched on, the semiconductor refrigerator 4 starts to work to reduce the temperature of the condenser, when wet air passes through the condenser, the contained moisture is condensed and gathered on the surface of the condenser, drops into the air inlet pipeline 2 and then flows to the bottom of the air outlet pipeline 3 and is led out through the drain pipe, the induced draft fan 8 is used for cooling the radiator of the semiconductor refrigerator 4 and enabling the air to circulate, and the humidity consistency in the dehumidifying space is kept. The dehumidifying device can automatically monitor the environmental humidity, when the environmental humidity is lower than the set value of 5% RH, the semiconductor refrigerator 4 stops working, the draught fan 8 works normally, when the environmental humidity rises to more than or equal to the set value of 5% RH, the semiconductor refrigerator 4 restarts working, so that the service life of the switch cabinet normal temperature dehumidifying device is prolonged, and the electric energy is saved.

During installation, the dehumidifying device is fixed on the inner side wall of the switch cabinet body 100 in a screw or bonding mode, the water outlet pipe 5 is connected with one end of the hose in an inserting mode, the other end of the hose is connected with the water outlet connector 103 in an inserting mode, and condensed water is led out of the switch cabinet.

The above description is only an embodiment of the present invention, but the technical features of the present invention are not limited thereto, and any changes or modifications within the technical field of the present invention by those skilled in the art are covered by the claims of the present invention.

Claims

1. A switch cabinet with a dehumidifying device comprises a switch cabinet body (100), and is characterized in that: be fixed with dehydrating unit on the lateral wall of cubical switchboard body (100), dehydrating unit includes casing (1), be equipped with air-supply line (2), air-out pipeline (3) and semiconductor refrigerator (4) in casing (1), air-supply line (2) and the lower part intercommunication of air-out pipeline (3), the bottom of air-out pipeline (3) even has outlet pipe (5), the air intake of air-supply line (2) is located the lateral wall of casing (1), the air outlet of air-out pipeline (3) is located the top of casing (1), refrigeration end (6) of semiconductor refrigerator (4) are located air-supply line (2), still be equipped with draught fan (8) in air-out pipeline (3), the outlet pipe even has leading to the outer hose of cubical switchboard body (100).

2. The switch cabinet with the dehumidifying device as claimed in claim 1, wherein: and the heating end (7) of the semiconductor refrigerator (4) is attached to the side wall of the air outlet pipeline (3).

3. The switch cabinet with the dehumidifying device as claimed in claim 1, wherein: the dehumidifying device further comprises a humidity sensor (9) and a controller (10), the humidity sensor (9) is located at an air inlet of the air inlet pipeline (2), the humidity sensor (9) is connected with the controller (10), and the controller (10) is further connected with the semiconductor refrigerator (4).

4. The switch cabinet with the dehumidifying device as claimed in claim 1, wherein: the air inlet pipeline (2) is transversely arranged, and the vertical height of an air inlet of the air inlet pipeline (2) is higher than that of an air outlet of the air inlet pipeline (2).

5. The switch cabinet with the dehumidifying device as claimed in claim 1, wherein: the air outlet pipeline (3) is vertically arranged, the bottom of the air outlet pipeline (3) is conical, the upper part is larger than the lower part, and the water outlet pipe (5) is connected to the bottom of the air outlet pipeline (3).

6. The switch cabinet with the dehumidifying device as claimed in claim 1, wherein: an inner frame (101) covering the dehumidifying device is arranged in the switch cabinet body (100).

7. The switch cabinet with the dehumidifying device as claimed in claim 1, wherein: an outer frame (102) is fixed on the switch cabinet body (100) outside the dehumidifying device, a water outlet connector (103) is fixed at the bottom of the outer frame (102), and the hose is connected with the water outlet connector (103).