CN210641251U

CN210641251U - Electrical cabinet with automatic dehumidification function

Info

Publication number: CN210641251U
Application number: CN201920428189.2U
Authority: CN
Inventors: 陈海远; 刘永峰
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-03-29
Filing date: 2019-03-29
Publication date: 2020-05-29
Anticipated expiration: 2029-03-29

Abstract

The utility model discloses an electrical cabinet with automatic dehumidification function, which comprises a cabinet body, wherein the top layer of the cabinet body is assembled with a micro fan A, a micro fan B, a micro fan C and a micro fan D, and the micro fan A, the micro fan B, the micro fan C and the micro fan D are all arranged at the corners of four sides of the lower end of the top layer of the cabinet body; the cabinet body is characterized in that the corners of four sides of the cabinet body are fixedly welded with conducting pieces. According to the electrical cabinet with the automatic dehumidification function, the programmable controller is used for programming and setting the lowest safe humidity value, when the humidity detected by the temperature and humidity sensor exceeds the safe humidity range, the controller controls the start of dehumidification, the moisture in the cabinet body is discharged outside, and the dehumidification of the electrical cabinet is realized; when the humidity detected by the temperature and humidity sensor reaches the minimum safe humidity value, the controller controls to stop dehumidification; the whole realizes automatic dehumidification.

Description

Electrical cabinet with automatic dehumidification function

Technical Field

The utility model relates to a regulator cubicle technical field specifically is a regulator cubicle with automatic dehumidification function.

Background

The regulator cubicle is formed by steel processing and is used for protecting the cupboard of the normal work of components and parts, the regulator cubicle is formed by hot rolled steel plate or cold-rolled steel sheet preparation, the regulator cubicle wide application is in the chemical industry, the environmental protection trade, electric power system, metallurgical system, the industry, the nuclear power trade, fire control safety monitoring, traffic industry and so on, but there are some regulator cubicle structures at present too simple, be in southern moist area or receive the influence of overcast and rainy weather when equipment, the moisture can be long-pending inside the regulator cubicle, make regulator cubicle internal facilities wet, can lead to the circuit short circuit and lead to whole circuit to burn down when serious, for providing good environment for inside electrical equipment, provide a regulator cubicle that has automatic dehumidification function.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an regulator cubicle with automatic dehumidification function has the advantage of the interior moisture of regulator cubicle of can detaching automatically, has solved among the prior art problem that the moisture is overweight can't in time get rid of and lead to the circuit to burn out in the regulator cubicle.

In order to achieve the above object, the utility model provides a following technical scheme: an electrical cabinet with an automatic dehumidification function comprises a cabinet body, wherein a micro fan A, a micro fan B, a micro fan C and a micro fan D are assembled on the top layer of the cabinet body, and the micro fan A, the micro fan B, the micro fan C and the micro fan D are all arranged at corners of four sides of the lower end of the top layer of the cabinet body; the cabinet body is characterized in that conducting pieces are fixedly welded at the corners of four sides of the cabinet body, the rear ends of the conducting pieces are integrally welded with the cabinet body, the front ends of the conducting pieces are provided with circular through holes, and the air outlet ends of the micro fan A, the micro fan B, the micro fan C and the micro fan D respectively correspond to the circular through holes of the conducting pieces at the lower ends; a temperature and humidity sensor is mounted in the cabinet body; a supporting plate is arranged at the lower side end of the cabinet body, one end of the supporting plate is fixedly welded with the cabinet body, a ventilation hole is formed in the cabinet body at the upper end of the supporting plate, an isolation mesh enclosure is fixedly mounted on the cabinet body outside the ventilation hole, and an air outlet of the isolation mesh enclosure faces downwards; a controller is installed at the side end of the supporting plate, and the micro fan A, the micro fan B, the micro fan C, the micro fan D and the temperature and humidity sensor are electrically connected with the controller; a storage battery storage cover is arranged at the side end of the supporting plate, a storage battery is arranged in the storage battery cover, and the storage battery is electrically connected with the controller and supplies power for the controller; a suction fan is arranged on one side of the upper end of the supporting plate, an air outlet end of the suction fan is provided with an airflow gathering cover, and the airflow gathering cover is fixedly welded on the supporting plate; a heating plate is fixedly installed at the air outlet end of the airflow gathering cover, a heating resistance wire is spirally installed on the heating plate, and the suction fan and the heating resistance wire are electrically connected with the controller; a sponge cover is densely bonded at the vent.

Preferably, heating resistance wires are spirally arranged in the circular through holes of the conducting pieces at the four corners of the cabinet body, and the heating resistance wires are electrically connected with the controller.

Preferably, the temperature and humidity sensor is installed at the bottom end of the inner cavity of the cabinet body.

Preferably, the controller is a programmable PLC-AT89C51 with data processing and control command sending functions.

Preferably, the storage battery is connected with the micro fan A, the micro fan B, the micro fan C, the micro fan D, the temperature and humidity sensor and the heating resistance wire through conducting wires, and the conducting wires are adhered to the inner side wall of the cabinet body through adhesive.

Compared with the prior art, the beneficial effects of the utility model are as follows:

the electric cabinet with the automatic dehumidification function is programmed by a programmable controller to set a minimum safe humidity value, when the humidity detected by a temperature and humidity sensor exceeds a safe humidity range, the controller controls a micro fan A, a micro fan B, a micro fan C, a micro fan D, a suction fan, a heating resistance wire and a heating resistance wire to work, accumulated water in the cabinet body and on internal components is dried and blown to the bottom end of the cabinet body, the suction fan sucks humid air and blows out the humid air after the moist air is heated by the heating resistance wire, a spongy cushion sucks humid hot air, the spongy cushion heats up, the humid air sucked by the spongy cushion is evaporated and exhausted to the outside continuously due to heat, and the dehumidification of the electric cabinet is realized; when the humidity detected by the temperature and humidity sensor reaches the minimum safe humidity value, the controller controls the micro fan A, the micro fan B, the micro fan C, the micro fan D, the suction fan, the heating resistance wire and the heating resistance wire to stop working, and the operation realizes automatic dehumidification of the electrical cabinet; the sponge cushion has good water absorption, so that external moisture is blocked and absorbed by the sponge cushion, and the installed isolation mesh enclosure can prevent external water flow from flowing into the cabinet body, so that the amount of the external moisture entering the cabinet body is reduced, and the time of the cabinet body in a dry state is prolonged; the whole automatic dehumidification is realized, and the external moisture is effectively prevented from entering.

Drawings

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

FIG. 2 is a sectional view taken along the line A-A of the present invention;

fig. 3 is a top view of the conducting member of the present invention;

fig. 4 is a top view of the support plate of the present invention;

fig. 5 is a sectional view taken along the direction B-B of the present invention.

In the figure: 1. a cabinet body; 2. a micro fan A; 3. a micro fan B; 4. a micro fan C; 5. a micro fan D; 6. a conducting piece; 7. a temperature and humidity sensor; 8. a support plate; 9. a vent hole; 10. an isolation mesh enclosure; 11. a controller; 12. a battery storage case; 13. a storage battery; 14. a suction fan; 15. an airflow gathering hood; 16. heating plates; 17. heating resistance wires; 18. a sponge cover; 19. heating resistance wire.

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.

Referring to fig. 1-5, an electrical cabinet with an automatic dehumidification function includes a cabinet 1, a micro fan a2, a micro fan B3, a micro fan C4 and a micro fan D5 are mounted on a top layer of the cabinet 1, and the micro fan a2, the micro fan B3, the micro fan C4 and the micro fan D5 are all mounted at four corners of a lower end of the top layer of the cabinet 1; the cabinet comprises a cabinet body 1, wherein conducting pieces 6 are fixedly welded at four corners of the cabinet body 1, the rear ends of the conducting pieces 6 are integrally welded with the cabinet body 1, the front end of each conducting piece 6 is provided with a circular through hole, the air outlet ends of a micro fan A2, a micro fan B3, a micro fan C4 and a micro fan D5 respectively correspond to the circular through holes of the conducting pieces 6 at the lower ends, heating resistance wires 19 are spirally arranged in the circular through holes of the conducting pieces 6 at the four corners of the cabinet body 1, the heating resistance wires 19 are electrically connected with a controller 11, the heating resistance wires 19 are controlled by the controller 11 to heat, airflow blown out by the micro fan A2, the micro fan B3, the micro fan C4 and the micro fan D5 is heated, hot airflow is removed, air inside the cabinet body 1 is heated, and moisture on components inside the cabinet body 1 is dried, so; the temperature and humidity sensor 7 is installed in the cabinet body 1, the temperature and humidity sensor 7 is installed at the bottom end of the inner cavity of the cabinet body 1, moisture at the bottom of the cabinet body 1 is the heaviest due to the fact that the moisture is heavier, when the moisture at the bottom of the cabinet body 1 is detected to be within the lowest safe humidity range set by the controller 11, the air humidity at the upper end is smaller, and the humidity value detected at the bottom end of the cabinet body 1 is used as an initial standard or not, so that the accuracy is higher; a supporting plate 8 is arranged at the lower side end of the cabinet body 1, one end of the supporting plate 8 is fixedly welded with the cabinet body 1, a vent hole 9 is formed in the cabinet body 1 at the upper end of the supporting plate 8, an isolation mesh enclosure 10 is fixedly installed on the cabinet body 1 outside the vent hole 9, and an air outlet of the isolation mesh enclosure 10 faces downwards; the controller 11 is installed to the side of backup pad 8, and micro-fan A2, micro-fan B3, micro-fan C4, micro-fan D5 and temperature and humidity sensor 7 all are connected with controller 11 electricity, and controller 11 adopts the PLC-AT89C51 that has data processing and can send control command, can set for a minimum safe humidity value to whether control is initialized, and can carry out the data processing analysis that come to temperature and humidity sensor 7 transmission, by chip AT89C51 control, can realize the automatic control to the dehumidification. (ii) a A storage battery storage cover 12 is arranged at the side end of the supporting plate 8, a storage battery 13 is arranged inside the storage battery cover 12, the storage battery 13 is electrically connected with the controller 11 to supply power for the operation of the controller 11, the storage battery 13 is connected with the micro fan A2, the micro fan B3, the micro fan C4, the micro fan D5, the temperature and humidity sensor 7 and the heating resistance wire 19 through wires, the wires are adhered to the inner side wall of the cabinet body 1 through adhesives, and the wires are adhered to the inner wall of the cabinet body 1, so that the wires can be prevented from being wound with the wiring of working elements inside the; a suction fan 14 is arranged on one side of the upper end of the supporting plate 8, an air outlet end of the suction fan 14 is provided with an airflow gathering cover 15, and the airflow gathering cover 15 is fixedly welded on the supporting plate 8; a heating plate 16 is fixedly installed at the air outlet end of the airflow gathering cover 15, a heating resistance wire 17 is spirally installed on the heating plate 16, and the suction fan 14 and the heating resistance wire 17 are electrically connected with the controller 11; a sponge cover 18 is closely adhered to the ventilation opening 9.

When the electrical cabinet with the automatic dehumidification function is applied to a humid area in the south or is influenced by rainy weather, moisture can be accumulated in the cabinet body 1, so that facilities in the cabinet body 1 are affected by moisture, a line short circuit can be caused when the facilities are severe, so that the whole line is burnt, air containing moisture is much higher in density than dry air, so that dust falls at the bottom end, so that the moisture at the bottom end of the cabinet body 1 is heavier, the humidity at the position with the maximum humidity in the cabinet body 1 can be detected by installing the temperature and humidity sensor 7 at the bottom end of the inner cavity of the cabinet body 1, the humidity is transmitted to the controller 11 for processing and analysis, the lowest safe humidity value can be programmed and set by the programmable controller 11, namely, the humidity of components in the cabinet body 1 is not affected, when the humidity detected by the temperature and humidity sensor 7 installed at the bottom end of the cabinet body 1, when the humidity detected by the temperature and humidity sensor 7 is greater than the lowest safe humidity value set by the controller 11, the controller 11 controls the micro fan a2, the micro fan B3, the micro fan C4, the micro fan D5, the suction fan 14, the heating resistance wire 17 and the heating resistance wire 19 to work, the micro fan a2, the micro fan B3, the micro fan C4 and the micro fan D5 blow air from four sides to the bottom end of the cabinet body 1 from top to bottom, cold air passing through the circular through hole is heated by the heating resistance wire 19 after heating to form hot air, the hot air is blown to the lower end of the cabinet body 1 and components inside the cabinet body 1, accumulated water on the components is dried and blown to the bottom end of the cabinet body 1, the suction fan 14 sucks air in the air flow gathering cover 15 from the moisture at the bottom end of the cabinet body 1, the sucked moisture is heated by the heating resistance wire 17 and blown to the sponge cushion 18, the sponge cushion 18 sucks the moisture and becomes wet, because the hot-air that air current gathering cover 15 exhaust also can heat foam-rubber cushion 18, therefore the moisture evaporation in the foam-rubber cushion 18 is discharged externally, the moisture lasts the discharge, the dehumidification function of regulator cubicle has been realized, when the humidity that detects at temperature and humidity sensor 7 reaches minimum safe humidity value, when stopping the dehumidification, foam-rubber cushion 18 resumes the normal atmospheric temperature, because the foam-rubber cushion has good hydroscopicity, consequently external moisture is absorbed by the separation of foam-rubber cushion 18, the external rivers inflow cabinet body 1 can be placed to the isolation screen panel 10 of installation.

In summary, the following steps: according to the electrical cabinet with the automatic dehumidification function, the lowest safe humidity value is set by the programmable controller 11 in a programming mode, when the humidity detected by the temperature and humidity sensor 7 exceeds the safe humidity range, the controller 11 controls the micro fan A2, the micro fan B3, the micro fan C4, the micro fan D5, the suction fan 14, the heating resistance wire 17 and the heating resistance wire 19 to work, accumulated water in the cabinet body 1 and on internal components is dried and blown to the bottom end of the cabinet body 1, the suction fan 14 sucks damp air, the moist air is heated by the heating resistance wire 17 and blown out, the sponge cushion 18 sucks the damp hot air, the sponge cushion 18 is heated, the moisture sucked by the sponge cushion 18 is evaporated and exhausted out of the outside continuously due to heat, and dehumidification of the electrical cabinet is achieved; when the humidity detected by the temperature and humidity sensor 7 reaches the lowest safe humidity value, the controller 11 controls the micro fan A2, the micro fan B3, the micro fan C4, the micro fan D5, the suction fan 14, the heating resistance wire 17 and the heating resistance wire 19 to stop working, and the operation realizes automatic dehumidification of the electrical cabinet; because the spongy cushion has good water absorption, external moisture is blocked and absorbed by the spongy cushion 18, and the installed isolation mesh enclosure 10 can prevent external water flow from flowing into the cabinet body 1, so that the amount of the external moisture entering the cabinet body 1 is reduced, and the time of the cabinet body 1 in a dry state is prolonged; the whole automatic dehumidification is realized, and the external moisture is effectively prevented from entering.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an regulator cubicle with automatic dehumidification function, includes the cabinet body (1), its characterized in that: the top layer of the cabinet body (1) is provided with a micro fan A (2), a micro fan B (3), a micro fan C (4) and a micro fan D (5), and the micro fan A (2), the micro fan B (3), the micro fan C (4) and the micro fan D (5) are all arranged at the corners of four sides of the lower end of the top layer of the cabinet body (1); the cabinet is characterized in that conducting pieces (6) are fixedly welded at four corners of the cabinet body (1), the rear end of each conducting piece (6) is integrally welded with the cabinet body (1), a circular through hole is formed in the front end of the cabinet body (1), and the air outlet ends of the micro fan A (2), the micro fan B (3), the micro fan C (4) and the micro fan D (5) respectively correspond to the circular through holes of the conducting pieces (6) at the lower ends; a temperature and humidity sensor (7) is arranged in the cabinet body (1); a supporting plate (8) is arranged at the lower side end of the cabinet body (1), one end of the supporting plate (8) is fixedly welded with the cabinet body (1), a vent hole (9) is formed in the cabinet body (1) at the upper end of the supporting plate (8), an isolation mesh enclosure (10) is fixedly installed on the cabinet body (1) at the outer side of the vent hole (9), and an air outlet of the isolation mesh enclosure (10) faces downwards; a controller (11) is installed at the side end of the supporting plate (8), and the micro fan A (2), the micro fan B (3), the micro fan C (4), the micro fan D (5) and the temperature and humidity sensor (7) are electrically connected with the controller (11); a storage battery storage cover (12) is arranged at the side end of the supporting plate (8), a storage battery (13) is arranged inside the storage battery cover (12), and the storage battery (13) is electrically connected with the controller (11) and supplies power for the controller (11); a suction fan (14) is arranged on one side of the upper end of the supporting plate (8), an air outlet end of the suction fan (14) is provided with an airflow gathering cover (15), and the airflow gathering cover (15) is fixedly welded on the supporting plate (8); a heating plate (16) is fixedly installed at the air outlet end of the airflow gathering cover (15), a heating resistance wire (17) is spirally installed on the heating plate (16), and the suction fan (14) and the heating resistance wire (17) are electrically connected with the controller (11); the sponge pad (18) is densely adhered to the ventilation hole (9).

2. The electrical cabinet with automatic dehumidification function according to claim 1, wherein: heating resistance wires (19) are spirally arranged in circular through holes of the conducting pieces (6) at the four corners of the cabinet body (1), and the heating resistance wires (19) are electrically connected with the controller (11).

3. The electrical cabinet with automatic dehumidification function according to claim 1, wherein: the temperature and humidity sensor (7) is installed at the bottom end of the inner cavity of the cabinet body (1).

4. The electrical cabinet with automatic dehumidification function according to claim 1, wherein: the controller (11) employs a programmable PLC-AT89C51 with data processing for sending control instructions.

5. The electrical cabinet with automatic dehumidification function according to claim 1, wherein: the storage battery (13) is connected with the micro fan A (2), the micro fan B (3), the micro fan C (4), the micro fan D (5), the temperature and humidity sensor (7) and the heating resistance wire (19) through wires, and the wires are adhered to the inner side wall of the cabinet body (1) through adhesive.