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CN-224234031-U - Modularized PLC control cabinet with air-cooled dampproof structure

CN224234031UCN 224234031 UCN224234031 UCN 224234031UCN-224234031-U

Abstract

The utility model relates to the technical field of PLC control cabinets and discloses a modularized PLC control cabinet with an air cooling and moisture-proof structure, which comprises a plurality of PLC control modules and a protection assembly for installing the plurality of PLC control modules, wherein a heat dissipation mechanism for cooling the plurality of PLC control modules is arranged at the upper part inside the protection assembly, a heating and moisture discharging mechanism for reducing the air humidity inside the protection assembly is arranged at the lower part inside the protection assembly, two reciprocating displacement mechanisms for controlling the heat dissipation mechanism and the heating and moisture discharging mechanism to horizontally reciprocate are arranged at the upper end and the lower end inside the protection assembly, a driving mechanism for driving the two reciprocating displacement mechanisms to synchronously operate is arranged at one side inside the protection assembly, the modularized PLC control cabinet with the air cooling and moisture-proof structure solves the problems of high temperature and moisture existing in the traditional PLC control cabinet through the cooperative work of various mechanisms, and the heat dissipation mechanism ensures the temperature to be maintained in a proper range through a semiconductor refrigerating block and air flow, and avoids overheat phenomenon.

Inventors

  • LIAO YUANHUA
  • LI GUIQIANG
  • PAN BENWEI

Assignees

  • 上海厚普科技发展股份有限公司

Dates

Publication Date
20260512
Application Date
20250512

Claims (10)

  1. 1. The modularized PLC control cabinet with the air cooling and moisture preventing structure is characterized by comprising a plurality of PLC control modules (6) and a protection assembly (1) for installing the plurality of PLC control modules (6), wherein a heat dissipation mechanism (3) for cooling the plurality of PLC control modules (6) is arranged at the upper part inside the protection assembly (1), a heating and moisture discharging mechanism (4) for reducing the air humidity inside the protection assembly (1) is arranged at the lower part inside the protection assembly (1), two reciprocating displacement mechanisms (2) for controlling the heat dissipation mechanism (3) and the heating and moisture discharging mechanism (4) to horizontally reciprocate are arranged at the upper end and the lower end inside the protection assembly (1), and a driving mechanism (5) for driving the two reciprocating displacement mechanisms (2) to synchronously operate is arranged at one side inside the protection assembly (1).
  2. 2. The modularized PLC control cabinet with the air cooling and moisture preventing structure, as set forth in claim 1, characterized in that the protection component (1) comprises a protection cabinet (101), wherein a plurality of main ventilation slots (102) are formed in the upper end and the lower end of the inside of the protection cabinet (101) in a penetrating mode, a cabinet door (103) is hinged to one side of the protection cabinet (101), and a control panel (104) is fixedly sleeved at the lower position inside the cabinet door (103).
  3. 3. The modularized PLC control cabinet with the air cooling and moisture preventing structure according to claim 2, wherein an observation window (105) is fixedly sleeved on the upper portion inside the cabinet door (103), a protective cover (106) is fixedly connected to the center of one side of the protective cabinet (101), a temperature sensor (107) and a humidity sensor (108) are respectively fixedly connected to the upper end and the lower end of the protective cabinet (101) which are far away from the center of the inner wall of the cabinet door (103), and a plurality of PLC control modules (6) are installed on the inner wall of the protective cabinet (101) in a rectangular filling array mode.
  4. 4. The modularized PLC control cabinet with the air cooling and moisture preventing structure is characterized in that the reciprocating displacement mechanism (2) comprises guide frames (201), the guide frames (201) are fixedly connected to the centers of the inner walls of the protection cabinet (101), guide grooves (202) are formed in the centers of two inner walls of the guide frames (201) which are close to each other, reciprocating screw rods (203) are rotatably sleeved at the inner positions of the guide frames (201) close to the two ends through bearings, reciprocating sliding blocks (204) are in threaded sleeve connection with the outer sides of the reciprocating screw rods (203), guide rails (205) are fixedly connected to the centers of the sides, away from each other, of the reciprocating sliding blocks (204), the two guide rails (205) are respectively and slidably sleeved inside the two guide grooves (202), and one ends of the reciprocating screw rods (203) penetrate through the inner walls of the protection cabinet (101) and are communicated with the outside of the protection cabinet (101).
  5. 5. The modularized PLC control cabinet with the air cooling and moisture preventing structure according to claim 4, wherein the heat dissipation mechanism (3) comprises an upper support plate (301), the upper support plate (301) is fixedly connected to the lower end of the reciprocating sliding block (204) at the upper position, a plurality of first ventilation slots (302) are formed in the inner center of the upper support plate (301) in a penetrating mode, an upper support frame (303) is fixedly connected to the edge near the center of the lower end of the upper support plate (301), first heat pipes (304) are arranged in the upper support frame (303), and two ends of each first heat pipe (304) penetrate through the inner wall of the upper support plate (301) and are communicated with the outside of the upper support frame (303).
  6. 6. The modularized PLC control cabinet with the air cooling and moisture preventing structure according to claim 5, wherein semiconductor refrigerating blocks (305) are fixedly sleeved outside two ends of the first heat pipe (304), the semiconductor refrigerating blocks (305) are fixedly connected with one sides, close to each other, of the upper supporting frame (303), a plurality of first vapor chamber (306) are arranged inside the upper supporting frame (303), a plurality of first vapor chamber (306) are fixedly sleeved outside the first heat pipe (304), and a first air circulating fan (307) is fixedly connected to the lower end of the upper supporting frame (303) close to two sides.
  7. 7. The modularized PLC control cabinet with the air cooling and moisture preventing structure according to claim 4, wherein the heating and moisture removing mechanism (4) comprises a lower support plate (401), the lower support plate (401) is fixedly connected to the upper end of a reciprocating sliding block (204) at the lower position, a plurality of second ventilation notches (402) are formed in the center of the inner portion of the lower support plate (401) in a penetrating mode, a lower support frame (403) is fixedly connected to the edge of the center of the upper end of the lower support plate (401), a second heat pipe (404) is arranged in the lower support frame (403), and two ends of the second heat pipe (404) penetrate through one inner wall of the lower support frame (403) to be communicated with the outer portion of the lower support frame (403).
  8. 8. The modularized PLC control cabinet with the air cooling and moisture preventing structure according to claim 7, wherein an electric heating module (405) is fixedly sleeved outside two ends of the second heat pipe (404), one side, close to each other, of the electric heating module (405) and the lower supporting frame (403) is fixedly connected, a plurality of second vapor chamber (406) are arranged inside the lower supporting frame (403), a plurality of second vapor chamber (406) are fixedly sleeved outside the second heat pipe (404), and a second air circulation fan (407) is fixedly connected to the upper end of the lower supporting frame (403) close to two sides.
  9. 9. The modularized PLC control cabinet with the air cooling and moisture preventing structure according to claim 4, wherein the driving mechanism (5) comprises a driving motor (501), a first driving wheel (502) and a second driving wheel (503), the driving motor (501) is fixedly connected to the center of an inner side wall in the protective cabinet (101), the output end of the driving motor (501) penetrates through the inner wall of the protective cabinet (101) to be communicated to the outside of the protective cabinet (101), the first driving wheel (502) is fixedly sleeved on one side, close to the driving motor (501), of the outer part of the upper reciprocating screw (203), and the second driving wheel (503) is fixedly connected to one side, close to the driving motor (501), of the outer part of the lower reciprocating screw (203).
  10. 10. The modularized PLC control cabinet with the air cooling and moisture preventing structure according to claim 9, wherein a first driving wheel (504) and a second driving wheel (505) are fixedly connected to the outer side of the output end of the driving motor (501), a first driving belt (506) is sleeved on the outer sides of the first driving wheel (504) and the first driving wheel (502), and a second driving belt (507) is sleeved on the outer sides of the second driving wheel (505) and the second driving wheel (503).

Description

Modularized PLC control cabinet with air-cooled dampproof structure Technical Field The utility model relates to the technical field of PLC control cabinets, in particular to a modularized PLC control cabinet with an air cooling and moisture-proof structure. Background The modularized PLC control cabinet is an equipment cabinet for storing PLC modules, various functional modules (such as an input module, an output module, a CPU module, a communication module and the like) of the PLC system are combined as required and are neatly arranged in the control cabinet, a solution which is convenient to install, maintain and expand is provided, the control cabinet has high flexibility, different PLC modules can be added or replaced according to production requirements, upgrading and function expansion of the system are realized, wiring and connection of the PLC system are simplified due to modularized design, reliability and maintainability of the system are improved, the PLC control cabinet is suitable for various automatic control applications, and the PLC control cabinet is compact in structure, convenient to operate and suitable for long-term stable operation in an industrial environment. The traditional modularized PLC control cabinet in the prior art generally lacks active heat dissipation and moisture removal functions, the problem that the temperature and humidity are easy to occur after the PLC module runs for a long time is caused, the heat inside the control cabinet cannot be effectively discharged in time, the PLC module and electronic components thereof are easy to overheat and fault due to the fact that the temperature is too high, the stability and the reliability of a system are affected, the aging speed of electronic components is increased under the high-temperature environment, the response speed of the control system is possibly reduced, even the system breaks down or breaks down, in addition, the accumulation of moisture can also negatively affect the PLC module and circuits of the PLC module, the wet environment is easy to cause the problems of poor electrical contact, short circuit and the like, the corrosion of a circuit board is possibly caused when the humidity environment is severe, the service life of the PLC module is reduced, the double influences of the humidity and the temperature are caused, the stability of the internal environment of the control cabinet is more difficult to ensure, the reliability and the safety of the whole automatic control system are further influenced, the PLC system in the environment for a long time is possibly faced with a series of problems such as fault frequency increase, maintenance cost and system shutdown and the like, the production efficiency and the running of the control system are further affected, and the air cooling control cabinet is easy to cause the problem of the normal air cooling structure in the technical field. Disclosure of utility model The utility model aims to provide a modularized PLC control cabinet with an air cooling and moisture-proof structure, which solves the problems that the traditional modularized PLC control cabinet usually lacks active heat dissipation and moisture removal functions, so that after the PLC module runs for a long time, the problem of high temperature and moisture easily occurs, the stability of the internal environment of the control cabinet becomes more ensured due to the fact that the heat in the control cabinet cannot be effectively discharged in time, the stability and the reliability of a system are affected due to overheat faults easily caused by overhigh temperature, the ageing speed of electronic elements is increased under the high-temperature environment, the response speed of a control system is possibly reduced, even system breakdown or faults occur, in addition, the accumulation of moisture can also negatively affect the PLC module and a circuit thereof, the problem of poor electrical contact, short circuit and the like easily occurs in the wet environment, the service life of the PLC module is reduced, the stability of the internal environment of the control cabinet becomes more ensured, the reliability and the safety of the whole automatic control system are further influenced, the PLC system is possibly subjected to the problems of frequent maintenance, the increased maintenance cost, the production and the normal running of the system are further influenced, and the normal running efficiency of the system is further solved. The utility model provides a modularized PLC control cabinet with an air cooling and moisture-proof structure, which comprises a plurality of PLC control modules and a protection assembly for installing the plurality of PLC control modules, wherein a heat dissipation mechanism for cooling the plurality of PLC control modules is arranged at the upper part inside the protection assembly, a heating and moisture-discharging mechanism for reducing the air humidity inside the