CN114614352A

CN114614352A - Intelligent and convenient dehumidifying device for electrical cabinet

Info

Publication number: CN114614352A
Application number: CN202210336625.XA
Authority: CN
Inventors: 史国全
Original assignee: New Energy Branch of Huaneng Qinghai Power Generation Co Ltd
Current assignee: New Energy Branch of Huaneng Qinghai Power Generation Co Ltd
Priority date: 2022-03-31
Filing date: 2022-03-31
Publication date: 2022-06-10

Abstract

The invention discloses an intelligent and convenient dehumidifying device for an electric cabinet, which relates to the technical field of dehumidification and comprises an electric cabinet body, wherein ventilation louver openings are formed in the upper sides of two opposite side ends of the electric cabinet body and communicated with the inside of the electric cabinet body, a plurality of baffle plates are connected to the inner parts of the ventilation louver openings in a downward inclined mode, and an intelligent dehumidifying device is installed in the electric cabinet body; when the humidity is higher than the set humidity value, the temperature and humidity sensor generates information to the PLC, the PLC control chip in the PLC controls the two dehumidifying mechanisms to work, air is sucked into the dehumidifying shell from the air suction opening to contact with the refrigerating seat of the dehumidifying module for heat exchange, water in the air meets condensation to form water drops which are adsorbed on the refrigerating seat and downwards slide into the water collecting tank, the water drops enter the water flowing interlayer through the plurality of water seepage holes, condensed water flows to the lower part in the water flowing interlayer and is discharged from the plurality of water drainage holes, the humidity in the electric cabinet body is reduced, the insulativity is reduced, the metal oxidation mildew is prevented, and the service life is prolonged.

Description

Intelligent and convenient dehumidifying device for electrical cabinet

Technical Field

The invention relates to the technical field of dehumidification, in particular to an intelligent and convenient dehumidification device for an electric cabinet.

Background

The regulator cubicle is the cupboard that is used for protecting components and parts normal work by steel processing, and the regulator cubicle is exactly the switch board. The power distribution cabinet is used for distributing electric energy to each load part under the power distribution control and performing power-off protection when a circuit is short-circuited, overloaded and leaked. The common types of power distribution cabinets include fixed-panel power distribution cabinets, protective power distribution cabinets, drawer-type power distribution cabinets, power lighting power distribution cabinets and the like.

The existing electrical cabinet is easily affected by external wet weather in the long-term use process, so that the internal humidity is higher, the electrical component and the surface metal of the cabinet body are affected by the moisture, the overall insulativity of the electrical cabinet is reduced, metal corrosion and mould growth can be caused, the service life is prolonged, and the problem is solved by designing an intelligent convenient dehumidifying device.

Disclosure of Invention

The invention provides an intelligent and convenient dehumidifying device for an electrical cabinet, which solves the technical problem.

In order to solve the technical problems, the invention provides an intelligent and convenient dehumidifying device for an electric cabinet, which comprises an electric cabinet body, wherein a base is arranged at the bottom of the electric cabinet body, a mounting frame is connected inside the electric cabinet body for mounting electric elements, one side of an opening of the electric cabinet body is hinged with a cabinet door, the outer end of the cabinet door is provided with a control panel, the upper sides of two opposite side ends of the electric cabinet body are provided with ventilation louver openings which are communicated with the inside, the inner parts of the ventilation louver openings are downwards inclined and connected with a plurality of baffle plates, the intelligent dehumidifying device is arranged inside the electric cabinet body and comprises two dehumidifying mechanisms and a PLC (programmable logic controller), the PLC is fixedly arranged at the inner ends of the cabinet door and is electrically connected with the two dehumidifying mechanisms, the two dehumidifying mechanisms are symmetrically arranged at the inner bottom of the electric cabinet body and are communicated with the outside, and the upper ends of the two dehumidifying mechanisms are both provided with temperature and humidity sensors, two louver air outlets are formed in the positions, located on the two dehumidification mechanisms, of the two side ends of the electric cabinet body, a plurality of drain holes are formed in the positions, located on the lower portion of the two louver air outlets, of the inner bottom of the electric cabinet body, two water flowing interlayers are arranged below the two dehumidification mechanisms, and a water collecting groove is formed in one side of the inner upper end of each water flowing interlayer and communicated with the corresponding water collecting groove.

Further, two temperature and humidity sensors and PLC controller electric connection, and PLC controller and electric cabinet body input power electric connection.

Furthermore, the two water flowing interlayers are communicated with a plurality of drain holes formed in two side ends of the electrical cabinet body respectively, the two water flowing interlayers are triangular, and the lowest position of the two water flowing interlayers is close to the plurality of drain holes.

Further, dehumidification mechanism is including dehumidification shell, inlet scoop, dehumidification module and fan, the dehumidification shell is installed in the electric cabinet body bottom, and the dehumidification shell side link up to install the fan and be close to the tripe air outlet, the inlet scoop has been seted up to the opposite side of dehumidification shell, dehumidification shell internally mounted has the dehumidification module.

Further, the dehumidification module includes heat conduction seat, refrigeration seat, mount pad and semiconductor refrigeration piece, the heat conduction seat is installed and is close to the fan inside the shell that dehumidifies, the mount pad is installed to heat conduction seat back of the body terminal surface, and inside the inlaying of mount pad has the semiconductor refrigeration piece, the refrigeration seat is installed at heat conduction seat back of the body terminal surface to contact with the semiconductor refrigeration piece.

Furthermore, the opposite ends of the heat conduction seat and the refrigeration seat are vertically connected with a plurality of fins, and the heat conduction seat and the refrigeration seat are made of aluminum alloy materials.

Furthermore, the water collecting tank is positioned below the refrigerating seat, and the bottom of the water collecting tank is uniformly provided with a plurality of small holes communicated with the flowing water interlayer.

Furthermore, the semiconductor refrigeration piece and the fan are electrically connected with the PLC.

Further, be provided with display screen module, wireless communication module and button setting module on the PLC controller, inside PLC control chip that is provided with of PLC controller, and PLC control chip and display screen module, wireless communication module and button setting module electric connection.

Furthermore, the wireless communication module is wirelessly connected with an external control end or a mobile end.

Compared with the prior art, the intelligent and convenient dehumidifying device for the electrical cabinet provided by the invention has the following beneficial effects:

when the humidity is higher than a set humidity value, the temperature and humidity sensor generates information to the PLC, the PLC control chip in the PLC controls the two dehumidifying mechanisms to work, the dehumidifying module performs refrigeration, air is sucked into the dehumidifying shell from the air suction opening to contact with the refrigerating seat of the dehumidifying module for heat exchange, water in the air meets condensation and is condensed into water drops to be adsorbed on the refrigerating seat and downwards slide into the water collecting tank, the water drops enter the water flowing interlayer through the plurality of water seepage holes, condensed water flows downwards in the water flowing interlayer and is discharged from the plurality of water drainage holes, the air enters the heat conducting seat after passing through the refrigerating seat for heating, and finally the air is exhausted from the louver air outlet through the fan for air suction, so that the humidity in the electric cabinet body is reduced, insulativity is prevented, metal oxidation is prevented from mildewing, and the service life is prolonged.

According to the invention, the two temperature and humidity sensors detect the humidity and the temperature of the air in the cabinet body, the PLC controller controls the dehumidifying mechanisms to dehumidify when the humidity is higher than a set humidity value, and the PLC control chip controls the two dehumidifying mechanisms to stop working when the humidity in the electric cabinet body is lower than the set humidity value, so that the intelligentization is high, the energy consumption is effectively reduced, and the inside of the electric cabinet is kept in a dry state for a long time.

When the temperature and humidity sensor detects that the internal temperature value of the electrical cabinet is higher than a set value and the humidity value is lower than the set value, the PLC controller independently controls the fans in the two dehumidifying mechanisms to work, the fans start to rotate to suck air, air is sucked into the dehumidifying shell from the air suction opening and is discharged from the louver air outlets, external low-temperature air flows in from the two louver air outlets, the internal temperature of the electrical cabinet is effectively reduced, and when the internal temperature of the electrical cabinet is lower than the set temperature value, the PLC control chip controls the fans of the two dehumidifying mechanisms to stop working, so that intelligent control heat dissipation is realized, energy consumption is effectively reduced, and the aging of electrical components caused by the overhigh internal temperature of the electrical cabinet is prevented.

The invention provides that the data of the intelligent dehumidifying device can be sent to an external control terminal or a mobile terminal for inquiry through the wireless communication module, and the external control terminal or the mobile terminal can also control the PLC controller to carry out program setting.

Drawings

FIG. 1 is an overall schematic view of the present invention;

FIG. 2 is a schematic view of the present invention in its entirety;

FIG. 3 is a schematic front sectional view of an electrical cabinet according to the present invention;

FIG. 4 is an enlarged view of the invention at A;

FIG. 5 is a schematic view of the dehumidification mechanism of the present invention;

FIG. 6 is a right side view of the dehumidification apparatus of the present invention;

FIG. 7 is a schematic view of a dehumidification module of the present invention;

FIG. 8 is a schematic top view of a dehumidification module of the present invention;

FIG. 9 is a right schematic view of a dehumidification module of the present invention;

fig. 10 is a schematic diagram of a PLC controller according to the present invention.

Reference numbers in the figures: 1. an electrical cabinet body; 2. a cabinet door; 21. a control panel; 3. a mounting frame; 4. an intelligent dehumidification device; 5. a base; 6. a ventilation louver opening; 41. a dehumidification mechanism; 42. a temperature and humidity sensor; 43. a PLC controller; 44. a louver air outlet; 45. a drain hole; 46. a running water interlayer; 461. a water collection tank; 411. a moisture removal housing; 412. an air inlet; 413. a dehumidification module; 414. a fan; 4131. a heat conducting base; 4132. a refrigeration seat; 4133. a mounting seat; 4134. a semiconductor refrigeration sheet; 431. a display screen module; 432. a wireless communication module; 433. and a key setting module.

Detailed Description

In the first embodiment, as shown in fig. 1-4, the present invention includes an electrical cabinet 1, a base 5 is installed at the bottom of the electrical cabinet 1, an installation frame 3 is connected inside the electrical cabinet 1 for installing electrical components, a cabinet door 2 is hinged to one side of an opening of the electrical cabinet 1, a control panel 21 is installed at an outer end of the cabinet door 2, ventilation louver openings 6 are arranged at upper sides of two opposite side ends of the electrical cabinet 1 to communicate with the inside, a plurality of baffles are connected to the inside of the ventilation louver openings 6 in a downward-inclined manner, an intelligent dehumidifying apparatus 4 is installed inside the electrical cabinet 1, the intelligent dehumidifying apparatus 4 includes two dehumidifying mechanisms 41 and a PLC controller 43, the PLC controller 43 is fixedly installed at the inner ends of the cabinet door 2 and electrically connected to the two dehumidifying mechanisms 41, the two dehumidifying mechanisms 41 are symmetrically installed at the bottom of the electrical cabinet 1 and communicate with the outside, and temperature and humidity sensors 42 are installed at upper ends of the two dehumidifying mechanisms 41, two louver air outlets 44 are formed in the positions of the two dehumidifying mechanisms 41 at the two side ends of the electric cabinet body 1, a plurality of water drainage holes 45 are formed below the two louver air outlets 44, two water flowing interlayers 46 are arranged below the two dehumidifying mechanisms 41 at the bottom in the electric cabinet body 1, and a water collecting groove 461 is formed in one side of the upper end in each water flowing interlayer 46 and communicated with each other; the two temperature and humidity sensors 42 are electrically connected with the PLC 43, and the PLC 43 is electrically connected with the input power supply of the electric cabinet body 1; the two water flowing interlayers 46 are respectively communicated with a plurality of water drainage holes 45 arranged at two side ends of the electric cabinet body 1, the two water flowing interlayers 46 are triangular, and the lowest position is close to the plurality of water drainage holes 45;

when the humidity is higher than the set humidity value, the temperature and humidity sensor 42 generates information to the PLC controller 43, the PLC control chip in the PLC controller 43 controls the two dehumidifying mechanisms 41 to operate, air is sucked into the dehumidifying housing 411 from the air suction opening 412 and contacts with the refrigerating seat 4132 to exchange heat, water in the air meets the condensation and is condensed into water drops which are adsorbed on the refrigerating seat 4132 and downwardly slide into the water collecting tank 461, the water drops into the water flowing interlayer 46 through the plurality of water seepage holes, condensed water flows downwards in the water flowing interlayer 46 and is discharged from the plurality of water discharge holes 45, the air enters the heat conducting seat 4131 to be heated after passing through the refrigerating seat 4132, and finally is discharged from the louver air outlet 44 through the air suction of the fan 414, the other dehumidifying mechanism 41 operates in the same manner, the humidity in the electric cabinet 1 is reduced, insulation reduction and mildew formation due to metal oxidation are prevented, and the service life is prolonged.

In the second embodiment, based on the first embodiment, as shown in fig. 5 to 6, the dehumidifying mechanism 41 includes a dehumidifying case 411, an air suction opening 412, a dehumidifying module 413 and a fan 414, the dehumidifying case 411 is installed at the bottom of the electrical cabinet 1, the fan 414 is installed at a side end of the dehumidifying case 411 in a penetrating manner to be close to the louver air outlet 44, the air suction opening 412 is opened at an opposite side end of the dehumidifying case 411, and the dehumidifying module 413 is installed inside the dehumidifying case 411.

The air is sucked into the dehumidifying shell 411 from the air suction opening 412, contacts with the refrigerating seat 4132 to exchange heat, water in the air meets condensation and is condensed into water drops to be adsorbed on the refrigerating seat 4132, the water drops downwards slide into the water collecting tank 461, the water drops enter the water flowing interlayer 46 through the plurality of water seepage holes, condensed water flows downwards in the water flowing interlayer 46 and is discharged from the plurality of water discharge holes 45, the air enters the heat conducting seat 4131 to be heated after passing through the refrigerating seat 4132, and finally the air is exhausted from the louver air outlet 44 through the fan 414.

In the present embodiment, as shown in fig. 7 to 9, the dehumidifying module 413 includes a heat conducting seat 4131, a refrigerating seat 4132, a mounting seat 4133 and semiconductor refrigerating fins 4134, the heat conducting seat 4131 is installed inside the dehumidifying housing 411 close to the fan 414, the mounting seat 4133 is installed on the back end face of the heat conducting seat 4131, the semiconductor refrigerating fins 4134 are embedded inside the mounting seat 4133, and the refrigerating seat 4132 is installed on the back end face of the heat conducting seat 4131 and contacts with the semiconductor refrigerating fins 4134; the opposite ends of the heat conducting seat 4131 and the refrigerating seat 4132 are both vertically connected with a plurality of fins, and the heat conducting seat 4131 and the refrigerating seat 4132 are both made of aluminum alloy materials; the water collecting groove 461 is positioned below the refrigerating seat 4132, and a plurality of small holes are uniformly formed in the bottom of the water collecting groove 461 and communicated with the water flowing interlayer 46; the semiconductor refrigerating piece 4134 and the fan 414 are electrically connected with the PLC controller 43;

when the temperature and humidity sensor 42 detects that the temperature value inside the electric cabinet is higher than a set value and the humidity value is lower than the set value, the temperature and humidity sensor 42 sends information to the PLC controller 43, a PLC control chip in the PLC controller 43 individually controls the fans 414 in the two dehumidification mechanisms 41 to work, the fans 414 start to rotate to suck air, air is sucked into the dehumidification shell 411 from the air suction opening 412, hot air is discharged from the louver air outlets 44 through the refrigeration seat 4132 and the heat conduction seat 4131, external low-temperature air flows in from the louver air outlets 44 from the two parts, the internal temperature of the electric cabinet is effectively reduced, when the internal temperature of the electric cabinet 1 is lower than the set temperature value, the PLC control chip controls the fans 414 of the two dehumidification mechanisms 41 to stop working, intelligent control heat dissipation is achieved, energy consumption is effectively reduced, and aging of electric elements caused by overhigh internal temperature of the electric cabinet 1 is prevented.

In a third embodiment, based on the first embodiment, as shown in fig. 10, a display screen module 431, a wireless communication module 432 and a key setting module 433 are arranged on the PLC controller 43, and a PLC control chip is arranged inside the PLC controller 43 and electrically connected to the display screen module 431, the wireless communication module 432 and the key setting module 433; the wireless communication module 432 is wirelessly connected with an external control end or a mobile end;

the data of the intelligent dehumidifying device 4 can be sent to an external control terminal or a mobile terminal through the wireless communication module 432 for inquiry, or the external control terminal or the mobile terminal can control the PLC controller 43 for program setting.

The working principle is as follows:

before working, the PLC 43 is set, a humidity value and a temperature value for starting dehumidification and heat dissipation are set through the key setting module 433, and numerical values are displayed on the display screen module 431;

when the temperature and humidity sensor 42 is used for detecting the humidity and the temperature of the air in the cabinet body, when the humidity is higher than a set humidity value, the temperature and humidity sensor 42 generates information to the PLC 43, the PLC control chip in the PLC 43 controls the two dehumidifying mechanisms 41 to work, the fan 414 starts to rotate to suck air, the semiconductor refrigerating sheet 4134 refrigerates the refrigerating seat 4132 and the connected fins, heats the heat conducting seat 4131 and the connected fins, the air is sucked into the dehumidifying shell 411 from the air suction opening 412 and contacts with the refrigerating seat 4132 to exchange heat, the moisture in the air meets the condition that the moisture is condensed into water drops to be adsorbed on the refrigerating seat 4132 and slides downwards into the water collecting tank 461, and enters the water flowing interlayer 46 through a plurality of water seepage holes, the condensed water flows downwards in the water flowing interlayer 46 and is discharged from a plurality of water drainage holes 45, the air enters the heat conducting seat 4131 to be heated after passing through the refrigerating seat 4132, finally, the air is exhausted from the louver air outlet 44 through the fan 414, the other dehumidifying mechanism 41 operates in the same manner, so that the humidity inside the electric cabinet body 1 is reduced, the reduction of insulativity and the oxidation and mildew of metal are prevented, the service life is prolonged, when the humidity inside the electric cabinet body 1 is lower than a set humidity value, the PLC control chip controls the two dehumidifying mechanisms 41 to stop working, the dehumidification is intelligently controlled through the device, the energy consumption is effectively reduced, and the inside of the electric cabinet is kept in a dry state for a long time;

when the temperature and humidity sensor 42 detects that the internal temperature of the electrical cabinet is higher than a set value and the humidity is lower than the set value, the temperature and humidity sensor 42 sends information to the PLC controller 43, the PLC control chip in the PLC controller 43 individually controls the fans 414 in the two dehumidification mechanisms 41 to work, the fans 414 start to rotate to suck air, the air is sucked into the dehumidification shell 411 from the air suction port 412, the hot air is discharged from the louver air outlet 44 through the refrigeration seat 4132 and the heat conduction seat 4131, the external low-temperature air flows in from the louver air outlets 44 from the two air outlets, the internal temperature of the electrical cabinet is effectively reduced, when the internal temperature of the electrical cabinet 1 is lower than the set temperature value, the PLC control chip controls the fans 414 of the two dehumidification mechanisms 41 to stop working, intelligent control heat dissipation is realized, the energy consumption is effectively reduced, the aging of electrical components caused by the overhigh internal temperature of the electrical cabinet 1 is prevented, and the data of the intelligent dehumidification device 4 can be sent to an external control terminal or a mobile terminal through the wireless communication module 432 for checking The PLC controller 43 may be controlled by an external control terminal or a mobile terminal to perform program setting.

Claims

1. The utility model provides a convenient dehydrating unit of regulator cubicle intelligence, includes the electric cabinet body (1), base (5) are installed to the electric cabinet body (1) bottom, electric cabinet body (1) internal connection has mounting bracket (3) to install electrical component, electric cabinet body (1) opening one side articulates there is cabinet door (2), and cabinet door (2) install control panel (21), its characterized in that to the outer end: the upper sides of the opposite side ends of the electric cabinet body (1) are provided with ventilation louver openings (6) communicated with the inside, the ventilation louver openings (6) are downwards inclined and connected with a plurality of baffles, the inside of the electric cabinet body (1) is provided with an intelligent dehumidifying device (4), the intelligent dehumidifying device (4) comprises two dehumidifying mechanisms (41) and a PLC (43), the PLC (43) is fixedly installed at the inner end of the cabinet door (2) and is electrically connected with the two dehumidifying mechanisms (41), the two dehumidifying mechanisms (41) are symmetrically installed at the inner bottom of the electric cabinet body (1) and communicated with the outside, the upper ends of the two dehumidifying mechanisms (41) are respectively provided with a temperature and humidity sensor (42), the two side ends of the electric cabinet body (1) are provided with two louver air outlets (44) at the positions of the two dehumidifying mechanisms (41), and a plurality of drain holes (45) are respectively formed below the two louver air outlets (44), two water flowing interlayers (46) are arranged at the bottom in the electric cabinet body (1) and below the two dehumidification mechanisms (41), and a water collecting groove (461) is arranged on one side of the inner upper end of each water flowing interlayer (46) to be communicated.

2. The intelligent and convenient dehumidification device for the electric cabinet according to claim 1, wherein the two temperature and humidity sensors (42) are electrically connected to a PLC (43), and the PLC (43) is electrically connected to an input power supply of the electric cabinet body (1).

3. The intelligent and convenient dehumidification device for the electrical cabinet according to claim 1, wherein the two water flowing interlayers (46) are respectively communicated with a plurality of drainage holes (45) formed at two side ends of the electrical cabinet body (1), the two water flowing interlayers (46) are triangular, and the lowest position of the two water flowing interlayers is close to the plurality of drainage holes (45).

4. The convenient dehydrating unit of regulator cubicle intelligence of claim 1, characterized in that, dehumidification mechanism (41) includes dehumidification shell (411), inlet scoop (412), dehumidification module (413) and fan (414), dehumidification shell (411) is installed in the electric cabinet body (1) bottom, and dehumidification shell (411) side end is run through and is installed fan (414) and be close to tripe air outlet (44), inlet scoop (412) have been seted up to the opposite side end of dehumidification shell (411), dehumidification shell (411) internally mounted has dehumidification module (413).

5. The intelligent and convenient dehumidification device for the electric cabinet as claimed in claim 4, wherein the dehumidification module (413) comprises a heat conduction seat (4131), a refrigeration seat (4132), a mounting seat (4133) and semiconductor refrigeration sheets (4134), the heat conduction seat (4131) is installed inside the dehumidification casing (411) and close to the fan (414), the mounting seat (4133) is installed on the back end face of the heat conduction seat (4131), the semiconductor refrigeration sheets (4134) are embedded inside the mounting seat (4133), and the refrigeration seat (4132) is installed on the back end face of the heat conduction seat (4131) and contacts with the semiconductor refrigeration sheets (4134).

6. The intelligent and convenient dehumidification device for the electric cabinet according to claim 5, wherein a plurality of fins are vertically connected to opposite ends of the heat conduction seat (4131) and the refrigeration seat (4132), and the heat conduction seat (4131) and the refrigeration seat (4132) are made of aluminum alloy.

7. The intelligent and convenient dehumidification device for the electric cabinet as claimed in claim 1, wherein the water collection tank (461) is located below the refrigeration seat (4132), and a plurality of small holes are uniformly formed in the bottom of the water collection tank (461) and communicated with the water flowing interlayer (46).

8. The intelligent and convenient dehumidification device for an electric cabinet according to claim 1, wherein the semiconductor refrigeration plate (4134) and the fan (414) are electrically connected to the PLC controller (43).

9. The intelligent and convenient dehumidification device for the electrical cabinet according to claim 1, wherein a display screen module (431), a wireless communication module (432) and a key setting module (433) are arranged on the PLC controller (43), a PLC control chip is arranged inside the PLC controller (43), and the PLC control chip is electrically connected with the display screen module (431), the wireless communication module (432) and the key setting module (433).

10. The convenient dehumidification device of regulator cubicle intelligence of claim 9, characterized in that, the wireless communication module (432) with external control end or removal end wireless connection.