CN215070919U - Micro-positive pressure fresh air dehumidifying and condensation preventing device - Google Patents

Abstract

The utility model discloses a pressure-fired fresh air dehumidification condensation preventing device, which comprises a ring main unit body, a fixed box, a heating frame and a cooling frame, wherein an air inlet is formed on the outer side wall of the ring main unit body, the fixed box is welded on the inner edge of the air inlet, the heating frame is fixedly installed on the inner wall of the ring main unit body, and the cooling frame is fixedly installed on the top surface inside the ring main unit body; the utility model discloses a safe box, including fixed case, chamber door, logical groove, protection network, active carbon adsorption board and centrifugal fan, the lateral wall nestification of fixed case is installed the chamber door, the top of chamber door both sides outer wall all is constructed logical groove, and leads to the inslot welding and be fixed with the protection network, the inside fixed mounting of fixed case has active carbon adsorption board and centrifugal fan, active carbon adsorption board sets up between protection network and centrifugal fan, fixed mounting has the control box on the bottom surface of fixed incasement portion. This condensation device is prevented in pressure-fired new trend dehumidification is convenient for adjust the inside temperature of looped netowrk cabinet to keep the interior humidity of looped netowrk cabinet at lower level, prolonged equipment life.

Description

Micro-positive pressure fresh air dehumidifying and condensation preventing device

Technical Field

The utility model belongs to the technical field of looped netowrk cabinet maintenance of equipment, concretely relates to condensation device is prevented in pressure-fired new trend dehumidification.

Background

With the undeveloped urban distribution network and the improvement of the cabling degree, various high-voltage switch cabinets, outdoor ring main units, box transformers and the like are increasingly widely applied and become important components in the distribution network, so that the application range is wider and wider, and the quantity is more and more. The operation reliability of the power supply device is directly related to the power supply quality and the power supply reliability. The field operation experience shows that the internal environment and air quality of the cabinet body are poor (high temperature, high humidity, condensation and dust deposition), and in the long-term operation process, the insulation deterioration, the reduction of the insulation strength, the corrosion of an operating mechanism, the shortening of the service life of equipment and even accidents can be caused.

Therefore, aiming at the current situation, the design and the production of the micro-positive pressure fresh air dehumidifying and condensation preventing device are urgently needed to meet the needs of practical use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a condensation device is prevented in pressure-fired new trend dehumidification to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the micro-positive pressure fresh air dehumidifying and condensation preventing device comprises a ring main unit body, a fixing box, a heating frame and a cooling frame, wherein an air inlet is formed in the outer side wall of the ring main unit body, the fixing box is welded to the inner edge of the air inlet, the heating frame is fixedly installed on the inner wall of the ring main unit body, and the cooling frame is fixedly installed on the top surface inside the ring main unit body;

a box door is nested and mounted on the side wall of the fixed box, through grooves are formed in the top of the outer walls of the two sides of the box door, a protective net is fixedly welded in the through grooves, an activated carbon adsorption plate and a centrifugal fan are fixedly mounted in the fixed box, the activated carbon adsorption plate is arranged between the protective net and the centrifugal fan, and a control box is fixedly mounted on the bottom surface in the fixed box;

a PLC, a wireless signal transceiver and a memory are fixedly arranged in the control box;

protective shells are fixedly arranged on the inner parts of the fixed box and the ring main unit body, an outdoor temperature and humidity sensor is fixedly arranged in each protective shell in the fixed box, and an indoor temperature and humidity sensor is fixedly arranged in each protective shell in the ring main unit body;

a plurality of heating pipes are fixedly arranged in the heating frame, and a condenser is fixedly arranged in the cooling frame;

the inside fixed mounting of looped netowrk cabinet body has the electron dehumidifier of two symmetry settings.

Preferably, the PLC is respectively and electrically connected with the centrifugal fan, the outdoor temperature and humidity sensor, the indoor temperature and humidity sensor, the wireless signal transceiver, the memory, the heating pipe, the condenser and the electronic dehumidifier through leads.

Preferably, the lateral wall that fixed case was kept away from to looped netowrk cabinet body is constructed with the hole of airing exhaust, and the hole setting of airing exhaust is in indoor temperature and humidity sensor's below.

Preferably, a plurality of cable holes have been seted up to the inside bottom surface of looped netowrk cabinet body, and a plurality of cable holes equidistant distribution.

Preferably, waterproof glue is coated on the joint of the fixed box and the ring main unit body.

The utility model discloses a technological effect and advantage: according to the micro-positive pressure fresh air dehumidifying and condensation preventing device, the centrifugal fan blows air into the ring main unit, positive pressure difference of about 300Pa is generated in the ring main unit body, so that the air in the ring main unit body flows and is discharged from the air outlet, air circulation between the inside and the outside of the ring main unit body is accelerated, the air temperature between the inside and the outside of the ring main unit body is basically the same, and condensation in the ring main unit body can be prevented; the air pressure in the ring main unit body is positive relative to the atmosphere by the pressurization of the centrifugal fan, so that the air in a gap between the bottom of the ring main unit body and the cable hole can only flow from top to bottom, the wet air is prevented from entering the ring main unit body from the cable hole, and the moisture content of the air in the ring main unit is reduced; carry out high efficiency to the case outside air that gets into and filter, this internal malleation that keeps of looped netowrk cabinet simultaneously, outdoor dust can't get into from the gap to guarantee the clean of this internal air of looped netowrk cabinet, this pressure-fired new trend dehumidification prevents condensation device, is convenient for adjust looped netowrk cabinet internal temperature, and keeps the interior humidity of looped netowrk cabinet to be in lower level, has prolonged equipment life.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a cross-sectional view of the present invention;

fig. 3 is an enlarged view of the structure at a in fig. 2 according to the present invention.

In the figure: 1 looped netowrk cabinet body, 2 fixed casees, 3 chamber doors, 4 protection screens, 5 active carbon adsorption plates, 6 centrifugal fan, 7 protecting crust, 8 outdoor temperature and humidity sensors, 9 indoor temperature and humidity sensors, 10 control box, 11PLC, 12 wireless signal transceiver, 13 memory, 14 heating frame, 15 heating pipe, 16 cooling frame, 17 condenser, 18 electronic dehumidifier, 19 cable holes, 20 exhaust holes.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Unless defined otherwise, all references to up, down, left, right, front, back, inner and outer directions herein are to be interpreted as referring to up, down, left, right, front, back, inner and outer directions in the drawings to which the invention is applied, and all references are hereby incorporated herein by reference.

The utility model provides a micro-positive pressure fresh air dehumidifying and anti-condensation device as shown in figures 1-3, which comprises a ring main unit body 1, a fixed box 2, a heating frame 14 and a cooling frame 16, wherein an air inlet is formed on the outer side wall of the ring main unit body 1, the fixed box 2 is welded on the inner edge of the air inlet, the heating frame 14 is fixedly installed on the inner wall of the ring main unit body 1, and the cooling frame 16 is fixedly installed on the top surface inside the ring main unit body 1;

a box door 3 is nested and mounted on the side wall of the fixed box 2, through grooves are formed in the top of the outer walls of two sides of the box door 3, a protective screen 4 is welded and fixed in each through groove, an activated carbon adsorption plate 5 and a centrifugal fan 6 are fixedly mounted in the fixed box 2, the activated carbon adsorption plate 5 is arranged between the protective screen 4 and the centrifugal fan 6, and a control box 10 is fixedly mounted on the bottom surface in the fixed box 2;

a PLC11, a wireless signal transceiver 12 and a memory 13 are fixedly arranged in the control box 10;

protective shells 7 are fixedly arranged on the inner parts of the fixed box 2 and the ring main unit body 1, an outdoor temperature and humidity sensor 8 is fixedly arranged in each protective shell 7 in the fixed box 2, and an indoor temperature and humidity sensor 9 is fixedly arranged in each protective shell 7 in the ring main unit body 1;

a plurality of heating pipes 15 are fixedly arranged in the heating frame 14, a condenser 17 is fixedly arranged in the cooling frame 16, and a protection frame is fixedly arranged at the back of the ring main unit body 1 and used for shielding a heating part of the condenser 17;

two symmetrically arranged electronic dehumidifiers 18 are fixedly installed inside the ring main unit body 1, and the model of the electronic dehumidifiers 18 can be DETK-6.5.

Specifically, PLC11 passes through the wire respectively with centrifugal fan 6, outdoor temperature and humidity sensor 8, indoor temperature and humidity sensor 9, wireless signal transceiver 12, memory 13, heating pipe 15, condenser 17 and 18 electric connection of electron dehumidifier, above electronic component all can select for use comparatively common product in the market, and theory of operation and circuit connection mode are prior art, do not do here and describe repeatedly.

Specifically, the lateral wall that fixed case 2 was kept away from to looped netowrk cabinet body 1 is constructed with exhaust hole 20, and exhaust hole 20 sets up the below at indoor temperature and humidity sensor 9.

Specifically, a plurality of cable holes 19 have been seted up to the inside bottom surface of looped netowrk cabinet body 1, and a plurality of cable holes 19 equidistant distribution.

Specifically, waterproof glue is coated on the joint of the fixed box 2 and the ring main unit body 1.

According to the micro-positive pressure fresh air dehumidifying and condensation preventing device, an outdoor temperature and humidity sensor 8 and an indoor temperature and humidity sensor 9 respectively monitor the temperature outside and inside a ring main unit body 1 and transmit data to a PLC11, the temperature inside the ring main unit body 1 is higher than the temperature outside the ring main unit body 1 by 5 ℃, and when the temperature inside the ring main unit body 1 is higher than 40 ℃, a centrifugal fan 6 is automatically started, circulation of air inside and outside the ring main unit body 1 is accelerated, ventilation and heat dissipation are realized, and the temperature inside the ring main unit is reduced; the humidity in the ring main unit body 1 is more than 65% and the external humidity is less than 95%, the centrifugal fan 6 is automatically started, when air with larger humidity enters the ring main unit body 1, the activated carbon adsorption plate 5 can filter out a larger part of moisture, and the centrifugal fan 6 works to play a role in ventilation and dehumidification; when the humidity outside the ring main unit body 1 is higher than 95%, the centrifugal fan 6 cannot be automatically started; when the temperature is lower than 40 ℃ and the humidity is lower than 85%, the air in the ring main unit body 1 is dry, the centrifugal fan 6 is intermittently started to ventilate, and the air inside and outside the ring main unit body 1 is periodically exchanged; when the humidity in the ring main unit body 1 is higher than 85%, or the temperature in the ring main unit body 1 is higher than 65% and the humidity outside the ring main unit is higher than 95%, the heating pipe 15 and the condenser 17 are automatically opened.

Claims (5)

1. Little malleation new trend dehumidification condensation device of preventing, including looped netowrk cabinet body (1), fixed case (2), heating frame (14) and cooling frame (16), its characterized in that: an air inlet is formed in the outer side wall of the ring main unit body (1), a fixed box (2) is welded to the inner edge of the air inlet, a heating frame (14) is fixedly installed on the inner wall of the ring main unit body (1), and a cooling frame (16) is fixedly installed on the top surface inside the ring main unit body (1);

a box door (3) is nested and mounted on the side wall of the fixed box (2), through grooves are formed in the top of the outer walls of the two sides of the box door (3), a protective net (4) is fixedly welded in each through groove, an activated carbon adsorption plate (5) and a centrifugal fan (6) are fixedly mounted in the fixed box (2), the activated carbon adsorption plate (5) is arranged between the protective net (4) and the centrifugal fan (6), and a control box (10) is fixedly mounted on the bottom surface of the inside of the fixed box (2);

a PLC (11), a wireless signal transceiver (12) and a memory (13) are fixedly arranged in the control box (10);

protective shells (7) are fixedly mounted on the inner parts of the fixed box (2) and the top surface of the inner part of the ring main unit body (1), an outdoor temperature and humidity sensor (8) is fixedly mounted in each protective shell (7) in the fixed box (2), and an indoor temperature and humidity sensor (9) is fixedly mounted in each protective shell (7) in the ring main unit body (1);

a plurality of heating pipes (15) are fixedly arranged in the heating frame (14), and a condenser (17) is fixedly arranged in the cooling frame (16);

the ring main unit body (1) is internally and fixedly provided with two symmetrically arranged electronic dehumidifiers (18).

2. The micro-positive pressure fresh air dehumidifying and condensation preventing device according to claim 1, characterized in that: the PLC (11) is electrically connected with the centrifugal fan (6), the outdoor temperature and humidity sensor (8), the indoor temperature and humidity sensor (9), the wireless signal transceiver (12), the memory (13), the heating pipe (15), the condenser (17) and the electronic dehumidifier (18) through leads respectively.

3. The micro-positive pressure fresh air dehumidifying and condensation preventing device according to claim 1, characterized in that: the outer side wall of the ring main unit body (1) far away from the fixed box (2) is provided with an air exhaust hole (20), and the air exhaust hole (20) is arranged below the indoor temperature and humidity sensor (9).

4. The micro-positive pressure fresh air dehumidifying and condensation preventing device according to claim 1, characterized in that: a plurality of cable holes (19) are seted up to the inside bottom surface of looped netowrk cabinet body (1), and a plurality of cable holes (19) equidistant distribution.

5. The micro-positive pressure fresh air dehumidifying and condensation preventing device according to claim 1, characterized in that: waterproof glue is coated on the joint of the fixed box (2) and the ring main unit body (1).

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