CN104934872A - Dehumidifying and dedusting combination device for closed space of ring main unit - Google Patents

Abstract

A dehumidification and dust removal combination device for the closed space of the ring network cabinet, which is mainly composed of two modules of dehumidification and dust removal installed in the closed space of the ring network cabinet. The dehumidification module includes a temperature sensor installed in the electrical equipment , it is characterized in that the temperature sensor is connected with a controller, and the controller is connected with a semiconductor refrigerator; a fan facing the condenser in the semiconductor refrigerator is installed at the front or rear of the semiconductor refrigerator; the dust removal module It is composed of a pre-filter, an ionization net and a dust collection plate. The ionization net and the dust collection plate are respectively connected with a high-voltage power supply to form a high-voltage electrostatic field; it has a simple and compact structure, and is convenient and reliable to use and install. It can integrate the two modules of semiconductor dehumidification and electrostatic dust removal at the same time, and can also remove dust while dehumidifying, reduce the occupied space, and facilitate the implementation of the ring network cabinet transformation.

Description

A dehumidification and dust removal combined device for the closed space of the ring network cabinet

technical field

The invention relates to a combined dehumidification and dust removal device used in a closed space of a ring network cabinet, and belongs to the supporting technical field of electric equipment.

Background technique

During the working process, it was found that the insulation performance of the electrical equipment in the ring network cabinet was reduced due to the influence of dust and moisture, and there were many switch failures. Since the existing ring network cabinet cannot be completely sealed, and the switch cabinet must be opened frequently, dust and moisture will invade the inside of the cabinet body, causing the electrical appliances in the ring network cabinet to fail.

At present, there are many solutions to solve moisture, and there is no module that can remove dust and dehumidify at the same time, and is suitable for the small space in the ring main unit.

Contents of the invention

The purpose of the present invention is to overcome the deficiencies in the prior art, and provide a simple and compact structure, convenient and reliable installation, which can integrate the two modules of semiconductor dehumidification and electrostatic dust removal at the same time, and can dehumidify and dehumidify at the same time. Dust removal, reduce the occupied space, and facilitate the transformation of the ring network cabinet. It is a dehumidification and dust removal combination device for the closed space of the ring network cabinet.

The object of the present invention is accomplished through the following technical scheme, a dehumidification and dust removal combination device for the closed space of the ring network cabinet, which is mainly composed of two modules of dehumidification and dust removal installed in the closed space of the ring network cabinet. The dehumidification module includes a temperature sensor installed in the electrical equipment, which is characterized in that the temperature sensor is connected to a controller, and the controller is connected to a semiconductor refrigerator; Condenser fans in refrigerators;

The dust removal module is composed of a pre-filter, an ionization net and a dust collection plate, and the ionization net and the dust collection plate are respectively connected with a high-voltage power supply to form a high-voltage electrostatic field.

Air inlets and air outlets are provided on the side walls of the front and rear ring network cabinets of the condenser of the present invention; the lower part of the enclosed space of the ring network cabinet is provided with a condensed water drainage mechanism;

The pre-filter screen is composed of at least two layers of filter screens and fixed with a peripheral frame. The ionization screen is made of wire mesh, and an ionization area is formed in it; the dust collection plate is a hollow box-type plate, with at least one layer of metal mesh on the front and back; the semiconductor refrigerator is placed between the pre-filter, the ionization net and the dust collection plate, and the semiconductor refrigerator and the pre-filter are placed in a space, and the ionization The net and the dust collecting board are placed in another adjacent space, and the two spaces communicate with each other and form a whole.

A collecting funnel is connected under the condenser of the present invention, and the collecting funnel is directly facing the lower condensed water drainage ditch or drainage groove, and constitutes the condensed water drainage mechanism.

The invention has the characteristics of simple and compact structure, convenient and reliable use and installation, can integrate the two modules of semiconductor dehumidification and electrostatic dust removal at the same time, can remove dust while dehumidifying, reduces occupied space, and facilitates the implementation of ring network cabinet transformation. .

Description of drawings

Fig. 1 is a schematic diagram of the structure and composition of the present invention.

Fig. 2 is a structural diagram of the semiconductor refrigeration dehumidification principle according to the present invention.

Fig. 3 is a schematic structural diagram of the electrostatic precipitator module of the present invention.

Detailed ways

The present invention will be described in detail below in conjunction with the accompanying drawings: As shown in Figure 1, a kind of dehumidification and dust removal combination device for the closed space of the ring network cabinet according to the present invention is mainly composed of a dehumidifier installed in the closed space of the ring network cabinet The dehumidification module 1 includes a temperature sensor 11 installed in the electrical equipment, the temperature sensor 11 is connected to a controller, and the controller is connected to a semiconductor refrigerator 12 to control the semiconductor refrigerator 12 normal operation; the front or back of described semiconductor refrigerator 12 is equipped with a fan 13 facing the condenser in the semiconductor refrigerator, as shown in Figure 2;

As shown in FIG. 3 , the dust removal module 2 is mainly composed of a pre-filter 21, an ionization net 22 and a dust collection plate 23, and the ionization net 22 and the dust collection plate 23 are respectively connected with a high-voltage power supply 24 and make the It forms a high-voltage electrostatic field.

As shown in the figure, the preferred embodiment of the present invention is: an air inlet 31 and an air outlet 32 are provided on the side walls of the front and rear ring network cabinets of the condenser; the lower part of the closed space of the ring network cabinet is provided with condensed water drainage Agency 14;

The pre-filter 21 is composed of at least two layers of filter screens and fixed with a peripheral frame. The ionization net 22 is made of wire mesh, and an ionization zone 25 is formed therein; the dust collection plate 23 is A hollow box-type plate with at least one layer of metal mesh at the front and back; the semiconductor refrigerator 12 is placed between the pre-filter 21, the ionization net 22 and the dust collection plate 23, and the semiconductor refrigerator 12 and the pre-filter The net 21 is placed in one space, while the ionization net 22 and the dust collecting plate 23 are placed in another adjacent space, and the two spaces communicate with each other and form a whole.

A collecting funnel is connected below the condenser, and the collecting funnel is directly facing the lower condensed water drainage ditch or drainage groove, and constitutes the condensed water drainage mechanism 14 .

Example:

As shown in Figure 3, in the dust removal module selected by the present invention, most of the large particles are captured by the pre-filter, and then the air containing smaller particles enters the ionization section and is ionized. Then the charged particles reach the dust collection area and are adsorbed on the dust collection plate with opposite polarity, and the dust removal is completed.

As shown in Figure 2, the condensing dehumidification module of the present invention, which is composed of a semiconductor refrigerator, forms an airflow in a sealed space through a fan, and condenses the air water molecules around the condenser plate, and the air temperature of the condenser plate drops to At zero point, the water molecules in the air are condensed, collected through the liquid collection funnel and discharged to the outside of the sealed space, so that it works continuously, thereby achieving the purpose of reducing the humidity in the internal space of electrical equipment.

A preferred embodiment of the present invention is that the humidity collection control main part: through the humidity sensor, collects the internal humidity level of the electrical equipment to control the start and stop of the semiconductor condenser.

The main part of the semiconductor cooler: it is the core main part of the dehumidification device, which produces cold and hot effects after working. The hot end accelerates the air flow inside the equipment under the action of the fan, and the cold end quickly condenses the flowing humidity chamber air to form water droplets to achieve the purpose of complete dehumidification.

Condensed water drainage main part: the condensed water droplets are collected and quickly discharged from the inside of the equipment through the pipeline, completely eliminating the water molecules in the air inside the electrical equipment.

Working power supply: provide working power for the humidity acquisition control main part, the semiconductor cooler main part, the fan, etc.

Claims (3)

1. the dehumidifying dedusting combination unit for ring main unit enclosure space, it is primarily of the dehumidifying be arranged in ring main unit enclosure space and the large module composition of dedusting two, it is characterized in that described dehumidification module comprises one and is arranged on temperature sensor in electric equipment, it is characterized in that this temperature sensor connects a controller, this controller is connected with semiconductor refrigerator; Before described semiconductor cooler or the fan that faces condenser in semiconductor cooler is installed below;

Described dedusting module is made up of preposition filter screen, ionization net and collecting plate, described ionization net and collecting plate is connected to high voltage source respectively and makes it to form high-voltage electrostatic field.

2. the dehumidifying dedusting combination unit for ring main unit enclosure space according to claim 1, the limit wall that it is characterized in that the front and back ring main unit of described condenser offers air inlet and air outlet; The enclosure space bottom of described ring main unit is provided with condensate water discharging mechanism;

Described preposition filter screen fixedly forms by peripheral frame by after at least two-layer screen pack compound, and described ionization net is that woven wire is formed, and is wherein formed with ionized region; Described collecting plate is the box plate of hollow, and at least respectively there is layer of metal stratum reticulare front and back; Described semiconductor cooler is placed in preposition filter screen and between ionization net and collecting plate, and semiconductor cooler and preposition filter screen are placed in a space, and ionizes net and collecting plate is placed in another adjacent space, communicates and form a whole before and after two spaces.

3. use according to claim 2 is used for the dehumidifying dedusting combination unit of ring main unit enclosure space, it is characterized in that below described condenser, being connected to a liquid collecting funnel, and liquid collecting funnel faces bottom condensate water discharging ditch or rhone, and the condensate water discharging mechanism described in forming.