Electrical automation device

By combining a cooling pipe and a semiconductor cooling chip with an air cooling system and a fan, along with a desiccant to filter moisture, the heat dissipation and moisture-proof problems of the PLC control cabinet in high-temperature and humid environments are solved, achieving better cooling and moisture-proof effects.

CN223638852UActive Publication Date: 2025-12-05HEILONGJIANG AGRICUTURAL ENGINEARING VOCATIONAL COLLEGE
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202423049656.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-10
Publication Date
2025-12-05
Estimated Expiration
2034-12-10

AI Technical Summary

Technical Problem

Existing PLC control cabinets have poor heat dissipation in high-temperature environments and are prone to moisture absorption in humid weather, lacking effective dehumidification devices.

Method used

It uses a combination of cooling pipes and semiconductor cooling chips with a fan to cool the air, absorbing heat from the cold air and using a desiccant to filter water vapor, and combines a temperature sensor to control the system.

Benefits of technology

It achieves better heat dissipation and moisture-proof performance in high-temperature environments, ensuring temperature stability and moisture-proof effect inside the PLC control cabinet.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223638852U_ABST
    Figure CN223638852U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of PLC equipment, and discloses an electrical automation device which comprises a PLC control cabinet, a cabinet door, trundles, an air outlet pipe, a cooling mechanism, a moisture absorption mechanism, a PLC control body and a temperature sensor, the left side of the PLC control cabinet is provided with the cooling mechanism extending into the PLC control cabinet, the right end of the cooling mechanism is detachably provided with the moisture absorption mechanism, and the temperature sensor is arranged in the PLC control cabinet. An air outlet pipe is installed on the lower right portion of the PLC control cabinet, a one-way valve is installed on the air outlet pipe, the PLC control body is fixed in the PLC control cabinet, and a temperature sensor is fixedly installed at the top end of the interior of the PLC control cabinet. Air is firstly refrigerated, then cold air is used for heat absorption and cooling, and the cooling effect is better; water vapor in the air can be conveniently filtered, and the moisture-proof performance is good.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to PLC equipment technical field especially relates to an electrical automation device. BACKGROUND

[0002] The PLC control cabinet is an important component in electrical automation device. The existing PLC control cabinet only blows air to dissipate heat, when the outside environment temperature is higher, the air temperature is also higher, resulting in the fan blowing heat dissipation effect greatly reduces, in addition, because air carries water vapor, and the existing PLC control cabinet lacks effective dehumidification device, resulting in its encounter humid weather easily damp, therefore, in view of the above present situation, urgent need develops a kind of electrical automation device, first air refrigeration, then through cold air heat absorption cooling, cooling effect is better, air moisture filtering is convenient, and the damp-proof performance is good, to overcome the deficiency in current practical application, meet the current demand. UTILITY MODEL CONTENTS

[0003] The utility model discloses a kind of electrical automation devices, first air refrigeration, then through cold air heat absorption cooling, cooling effect is better;Air moisture filtering is convenient, and the damp-proof performance is good.

[0004] To achieve the above object, the utility model adopts the following technical scheme:

[0005] A kind of electrical automation device, including PLC control cabinet, cabinet door, trundle, air outlet pipe, cooling mechanism, moisture absorption mechanism, PLC control body and temperature sensor, the left side of the PLC control cabinet is installed with cooling mechanism extending to its inside, the cooling mechanism includes: installation cylinder, refrigeration pipe, semiconductor refrigeration piece, heat dissipation fin, fan, gas pipe, shunt pipe and air outlet nozzle, the installation cylinder is installed on the left side of PLC control cabinet, the refrigeration pipe is fixed on the left side of PLC control cabinet, the refrigeration pipe is installed with multiple semiconductor refrigeration pieces, heat dissipation fin is installed on each semiconductor refrigeration piece, fan is installed in the installation cylinder, the right side of the installation cylinder is fixed with multiple refrigeration pipe intercommunication gas pipe, the shunt pipe is fixed to the inside left end of PLC control cabinet, the upper end of the refrigeration pipe is communicated with shunt pipe, the shunt pipe is installed with multiple air outlet nozzles, the right end of the cooling mechanism is detachably installed with moisture absorption mechanism, the lower right of the PLC control cabinet is installed with air outlet pipe, the air outlet pipe is installed with one-way valve, the PLC control body is fixed in PLC control cabinet, temperature sensor is fixedly installed in the inside top of PLC control cabinet.

[0006] Preferably: the refrigeration pipe and heat dissipation fin are made of copper.

[0007] Preferably, a dust filter screen is detachably mounted on the front end of the mounting cylinder and is fixed to the mounting cylinder by screw thread.

[0008] Preferably, the moisture absorption mechanism comprises a storage ball shell, air outlet holes, a connecting rod and a socket, a plurality of storage ball shells are fixed on the connecting rod, a plurality of air outlet holes are arranged on each storage ball shell, a socket for inserting an air outlet nozzle is arranged on each storage ball shell, and a desiccant is stored in the storage ball shell.

[0009] Preferably, a cabinet door is mounted on the front side of the PLC control cabinet and is rotatably connected to the PLC control cabinet by a hinge, and a plurality of casters are mounted on the bottom of the PLC control cabinet.

[0010] The electrical automation device has the advantages that: when used, a temperature warning value is preset, the temperature in the PLC control cabinet is monitored by a temperature sensor, when the temperature is too high, the PLC control body controls the semiconductor refrigerating fin and the fan to start, air is blown by the fan to enter the refrigerating pipe, the air in the refrigerating pipe is refrigerated by the semiconductor refrigerating fin, the temperature of the air is reduced, the refrigeration effect is better, then, the cold air enters the shunt pipe, the cold air is discharged from the air outlet nozzles into the storage ball shell, the moisture in the air is removed by the desiccant in the storage ball shell, then, the air passes through the air outlet holes to enter the PLC control cabinet, the PLC control cabinet is refrigerated and cooled by the cold air, the cooling effect is better, the air after heat absorption is discharged from the air outlet pipe, when the temperature is reduced to below the warning value, the semiconductor refrigerating fin and the fan are turned off. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 It is a three-dimensional structure diagram of the utility model Figure 1 .

[0012] Figure 2 It is a three-dimensional structure diagram of the utility model Figure 2 .

[0013] Figure 3 It is a three-dimensional structure diagram of the utility model Figure 3 .

[0014] Figure 4 It is a three-dimensional structure diagram of the utility model.

[0015] Figure 5 It is an explosion view of the utility model Figure 4 . Figure 1 .

[0016] Figure 6 For the utility model Figure 4 of explosion view Figure 2 .

[0017] Figure 7 For the utility model of logic control chart.

[0018] Legend:

[0019] 1, PLC control cabinet;2, cabinet door;3, trundle;4, air outlet pipe;401, check valve;5, cooling mechanism;501, mounting cylinder;502, refrigeration pipe;503, semiconductor refrigeration piece;504, heat dissipation fin;505, fan;506, gas delivery pipe;507, shunt pipe;508, air outlet nozzle;6, dust filter screen;7, moisture absorption mechanism;701, storage ball shell;702, air outlet hole;703, connecting rod;704, jack;8, PLC control body;9, temperature sensor. Specific embodiments

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0021] Specific embodiments are given below.

[0022] Reference Figures 1-7The utility model embodiment, a kind of electrical automation device, including PLC control cabinet 1, cabinet door 2, trundle 3, air pipe 4, cooling mechanism 5, moisture absorption mechanism 7, PLC control body 8 and temperature sensor 9, the front side of PLC control cabinet 1 is equipped with cabinet door 2, cabinet door 2 is rotatably connected with PLC control cabinet 1 by hinge, the bottom of PLC control cabinet 1 is equipped with multiple trundles 3, the left side of PLC control cabinet 1 is equipped with cooling mechanism 5 extending to its inside, the right end of cooling mechanism 5 is detachably equipped with moisture absorption mechanism 7, the right lower of PLC control cabinet 1 is equipped with air pipe 4, one-way valve 401 is installed on air pipe 4, the setting of one-way valve 401 makes that gas can only be discharged from PLC control cabinet 1 to outside, and the air of outside cannot carry water vapor from air pipe 4 into PLC control cabinet 1, PLC control body 8 is fixed in PLC control cabinet 1, the model of PLC control body 8 is SIMATICS7-400PLC, temperature sensor 9 is fixedly installed in the inside top of PLC control cabinet 1, when using, outside air is refrigerated by cooling mechanism 5, then refrigerated air is transported into moisture absorption mechanism 7, water vapor in air is absorbed by moisture absorption mechanism 7, then, cold air passes through moisture absorption mechanism 7 and enters into PLC control cabinet 1, the inside of PLC control cabinet 1 is refrigerated by cold air, and air after heat absorption is discharged from air pipe 4.

[0023] The cooling mechanism 5 comprises a mounting cylinder 501, a refrigeration pipe 502, semiconductor refrigeration pieces 503, heat dissipation fins 504, a fan 505, a gas conveying pipe 506, a shunt pipe 507 and air outlets 508, the mounting cylinder 501 is mounted on the left side of the PLC control cabinet 1, the refrigeration pipe 502 is fixed on the left side of the PLC control cabinet 1, a plurality of semiconductor refrigeration pieces 503 are mounted on the refrigeration pipe 502, the heat dissipation fins 504 are mounted on each semiconductor refrigeration piece 503, the heat of the hot end of the semiconductor refrigeration piece 503 is dissipated through the heat dissipation fins 504, so as to maintain the refrigeration performance of the semiconductor refrigeration piece 503, the refrigeration pipe 502 and the heat dissipation fins 504 are made of copper, so that they have good heat conductivity, the fan 505 is mounted in the mounting cylinder 501, a plurality of gas conveying pipes 506 connected with the refrigeration pipes 502 are fixed on the right side of the mounting cylinder 501, a dust filter screen 6 is detachably mounted on the front end of the mounting cylinder 501, the dust filter screen 6 is fixed on the mounting cylinder 501 through threads, dust in the air is filtered through the dust filter screen 6, the shunt pipe 507 is fixed on the inner left end of the PLC control cabinet 1, the upper end of the refrigeration pipe 502 is communicated with the shunt pipe 507, a plurality of air outlets 508 are mounted on the shunt pipe 507, the air outlets 508 are inserted into the moisture absorbing mechanism 7, in use, air is blown into the refrigeration pipe 502 through the fan 505, the air passing through the refrigeration pipe 502 is refrigerated through the semiconductor refrigeration piece 503, so as to reduce the temperature of the air and make it have better refrigeration effect, then, the cold air enters the shunt pipe 507 and is discharged to the moisture absorbing mechanism 7 through the air outlets 508.

[0024] The moisture absorbing mechanism 7 comprises storage ball shells 701, air outlets 702, connecting rods 703 and insertion holes 704, a plurality of storage ball shells 701 are fixed on the connecting rod 703, a plurality of air outlets 702 are arranged on each storage ball shell 701, an insertion hole 704 for the air outlet 508 is arranged on each storage ball shell 701, a drying agent is stored in the storage ball shell 701, in use, the air outlet 508 discharges cold air to the storage ball shell 701, the moisture in the air is removed through the drying agent in the storage ball shell 701, then, the air passes through the air outlet 702 and enters the PLC control cabinet 1.

[0025] The semiconductor refrigeration piece 503, the fan 505 and the temperature sensor 9 are electrically connected with the PLC control body 8 through wires.

[0026] Working principle: the electrical automation device, when using, the temperature warning value is set in advance, the temperature in the PLC control cabinet 1 is monitored through the temperature sensor 9, when the temperature is too high, the PLC control body 8 controls the semiconductor refrigeration piece 503 and the fan 505 to start, the air is blown through the fan 505, so that the air enters into the refrigeration pipe 502 through the air pipe 506, the air passing through the refrigeration pipe 502 is refrigerated through the semiconductor refrigeration piece 503, and then the temperature of the air is reduced, so that the air has better refrigeration effect, then the cold air enters into the shunt pipe 507, the cold air is discharged to the storage ball shell 701 through the multiple air outlets 508, the moisture in the air is removed through the desiccant in the storage ball shell 701, then the air passes through the air outlet hole 702 and enters into the PLC control cabinet 1, the PLC control cabinet 1 is cooled through the cold air, the cooling effect is better, and the air after heat absorption is discharged from the air outlet pipe 4, when the temperature is reduced below the early warning value, the semiconductor refrigeration piece 503 and the fan 505 are closed.

[0027] The above is only the preferred specific implementation manner of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. An electrical automation device, characterized by, The utility model relates to a PLC control cabinet, which comprises a PLC control cabinet (1), a cabinet door (2), a caster (3), an air outlet pipe (4), a cooling mechanism (5), a moisture absorption mechanism (7), a PLC control body (8) and a temperature sensor (9), wherein the left side of the PLC control cabinet (1) is provided with the cooling mechanism (5) extending into the PLC control cabinet (1); the cooling mechanism (5) comprises a mounting cylinder (501), a refrigeration pipe (502), a semiconductor refrigeration sheet (503), a heat dissipation fin (504), a fan (505), a gas conveying pipe (506), a shunt pipe (507) and an air outlet nozzle (508); the mounting cylinder (501) is mounted on the left side of the PLC control cabinet (1); the refrigeration pipe (502) is fixed on the left side of the PLC control cabinet (1); a plurality of semiconductor refrigeration sheets (503) are mounted on the refrigeration pipe (502); a heat dissipation fin (504) is mounted on each semiconductor refrigeration sheet (503); the fan (505) is mounted in the mounting cylinder (501); a plurality of refrigeration pipes (502) are fixed on the right side of the mounting cylinder (501) and connected to the gas conveying pipe (506); the shunt pipe (507) is fixed on the left end of the PLC control cabinet (1); the upper end of the refrigeration pipe (502) is connected to the shunt pipe (507); a plurality of air outlet nozzles (508) are mounted on the shunt pipe (507); the moisture absorption mechanism (7) is detachably mounted on the right end of the cooling mechanism (5); the air outlet pipe (4) is mounted on the lower right side of the PLC control cabinet (1); the one-way valve (401) is mounted on the air outlet pipe (4); the PLC control body (8) is fixed in the PLC control cabinet (1); the temperature sensor (9) is fixed on the top of the PLC control cabinet (1).

2. The electrical automation device of claim 1, wherein, The refrigeration pipe (502) and the heat dissipation fin (504) are made of copper.

3. The electrical automation device of claim 1, wherein, The front end of the mounting cylinder (501) is detachably provided with a dust filter screen (6), which is fixed to the mounting cylinder (501) by screw threads.

4. The electrical automation device of claim 1, wherein, The moisture absorption mechanism (7) comprises a storage ball shell (701), an air outlet hole (702), a connecting rod (703) and a socket (704); a plurality of storage ball shells (701) are fixed on the connecting rod (703); a plurality of air outlet holes (702) are arranged on each storage ball shell (701); a socket (704) is arranged on each storage ball shell (701) for inserting the air outlet nozzle (508); and a drying agent is stored in the storage ball shell (701).

5. The electrical automation device of claim 1, wherein, The cabinet door (2) is rotatably connected to the PLC control cabinet (1) by a hinge; and a plurality of casters (3) are mounted on the bottom of the PLC control cabinet (1).