PLC control cabinet

Abstract

The utility model provides a PLC control cabinet, and belongs to the technical field of control cabinets. The PLC control cabinet comprises a control cabinet assembly, the control cabinet assembly comprises a cabinet body, heat dissipation assemblies are fixedly installed on the two sides of the cabinet body, circulating fan assemblies are fixedly installed at the top ends and the bottom ends of the two sides in the cabinet body, each circulating fan assembly comprises an installation frame, and an air outlet is formed in one side of each installation frame. An air inlet is formed in the side, adjacent to the air outlet, of the mounting frame, a cross-flow impeller is rotationally connected into the mounting frame, the air inlet of the circulating fan assembly arranged at the top end of the cabinet body faces the middle of the top end of the cabinet body, and the air outlet of the circulating fan assembly arranged at the top end of the cabinet body faces the bottom of the cabinet body. An air inlet of the circulating fan assembly arranged at the bottom end of the cabinet body faces the top of the cabinet body, and an air outlet of the circulating fan assembly arranged at the bottom end of the cabinet body faces the middle of the bottom end of the cabinet body, so that the internal part of the cabinet body can be fully cooled, and the practical value is higher.

Description

Technical Field

[0001] The utility model relates to the technical field of control cabinets, in particular to a PLC control cabinet. Background Art

[0002] A control cabinet is a device that assembles switchgear, measuring instruments, protective electrical appliances and auxiliary equipment in a closed or semi-closed metal cabinet or on a screen according to electrical wiring requirements. Its layout should meet the requirements for normal operation of the power system, be easy to maintain, and not endanger the safety of people and surrounding equipment. If the control cabinet is equipped with electrical components and relays, etc., in order to ensure the normal and reliable operation of these components, the control cabinet must be heat-dissipated.

[0003] For example, a Chinese patent with publication number CN220858735U discloses a heat dissipation and dust prevention device for a PLC control cabinet, comprising a cabinet body, on which air flow holes, a heat dissipation device and a dust prevention device are installed; the heat dissipation device comprises a heat dissipation fan and a cover plate, and the heat dissipation fan is installed at the air flow hole through a fixed frame; the dust prevention device comprises a sliding mounting frame and a breathable filter cotton embedded in the sliding mounting frame, and the sliding mounting frame is adapted to be installed in the fixed frame and is slidably arranged; the breathable filter cotton is provided with filter holes, the dust prevention device is located on one side of the heat dissipation device, and the heat dissipation fan, the cover plate, the breathable filter cotton and the sliding mounting frame are arranged and installed on the fixed frame from the inside to the outside in sequence;

[0004] The technical solution recorded in this proposal can integrate the heat dissipation and dust prevention functions of the PLC control cabinet. While meeting the heat dissipation requirements of the PLC control cabinet, it can effectively prevent dust, facilitate disassembly and cleaning, and is quick and easy to maintain. It has a wide range of applications. However, this solution is to set the cooling fan inside the air flow hole to blow external air into the control cabinet for cooling and heat dissipation. The cooling fan cannot send air to all positions inside the cabinet for heat dissipation and cooling, which can easily lead to insufficient local temperature cooling inside the cabinet, making it inconvenient to use.

[0005] Therefore, in view of this, the existing structure and defects are studied and improved, and a PLC control cabinet is provided to achieve a more practical purpose. Utility Model Content

[0006] The purpose of the utility model is to provide a PLC control cabinet to solve the problem proposed in the above background technology that the cooling fan cannot deliver wind to all positions inside the cabinet for heat dissipation and cooling, which easily leads to insufficient cooling of local temperatures inside the cabinet.

[0007] A PLC control cabinet comprises a control cabinet assembly, wherein the control cabinet assembly comprises a cabinet body, heat dissipation assemblies are fixedly mounted on both sides of the cabinet body, and circulation fan assemblies are fixedly mounted on the top and bottom of both sides inside the cabinet body, the circulation fan assembly comprises a mounting frame, an air outlet is provided on one side of the mounting frame, and an air inlet is provided on the side adjacent to the air outlet of the mounting frame, a cross-flow impeller is rotatably connected inside the mounting frame, an air inlet of the circulation fan assembly arranged at the top of the cabinet body faces the middle of the top of the cabinet body, and an air outlet of the circulation fan assembly arranged at the top of the cabinet body faces the bottom of the cabinet body, an air inlet of the circulation fan assembly arranged at the bottom of the cabinet body faces the top of the cabinet body, and an air outlet of the circulation fan assembly arranged at the bottom of the cabinet body faces the middle of the bottom of the cabinet body.

[0008] The beneficial effect of adopting the above-mentioned further scheme is that the heat dissipation components are fixedly installed on both sides of the cabinet, and the circulation fan components are fixedly installed on the top and bottom of both sides inside the cabinet, so that the heat dissipation components can absorb the heat inside the cabinet and dissipate it to the outside of the cabinet, thereby playing a role in heat dissipation and cooling. The operation of the circulation fan component drives the air inside the cabinet to circulate, thereby fully dissipating the heat and cooling the inside of the cabinet. A cross-flow impeller is connected to the inside of the mounting frame for rotation, so that the cross-flow impeller rotates to allow air to enter from the air inlet and blow out from the air outlet. Through the circulation fan component arranged at the top of the cabinet, the air with higher temperature at the top of the cabinet can be sucked in and blown to the heat dissipation component for heat dissipation and cooling. Through the circulation fan component arranged at the bottom of the cabinet, the air after absorbing heat and cooling by the heat dissipation component is blown to the middle of the bottom of the cabinet, so that the air inside the cabinet circulates, thereby fully dissipating the heat and cooling the inside of the cabinet.

[0009] Furthermore, a driving motor is fixedly mounted on one end of the mounting frame, and an output end of the driving motor is fixedly connected to the crossflow impeller.

[0010] The beneficial effect of adopting the above further scheme is that a drive motor is fixedly installed at one end of the mounting frame, and the output end of the drive motor is fixedly connected to the crossflow impeller, so that the drive motor drives the crossflow impeller to rotate, thereby driving the air to flow from the air inlet to the air outlet.

[0011] Furthermore, a first air guide plate is fixedly installed on the bottom inner side of the cabinet, and a second air guide plate is fixedly installed on the top inner side of the cabinet.

[0012] The beneficial effect of adopting the above further scheme is that a first air guide plate is fixedly installed on the bottom inner side of the cabinet, and a second air guide plate is fixedly installed on the top inner side of the cabinet, so that two circulations are formed inside the cabinet in cooperation with the circulating fan assembly, so that the heat dissipation assembly can fully dissipate heat and cool the air inside the cabinet.

[0013] Furthermore, the heat dissipation assembly includes a heat spreader, and the heat spreader is fixedly installed on both sides of the cabinet.

[0014] The beneficial effect of adopting the above further solution is that the heat spreader is fixedly installed on both sides of the cabinet, so that the heat spreader can fully absorb the heat of the air inside the cabinet.

[0015] Furthermore, one side of the heat spreader is connected to a plurality of heat pipes, and the heat pipes are arranged on both sides of the outside of the cabinet.

[0016] The beneficial effect of adopting the above further solution is that a plurality of heat pipes are connected through one side of the vapor chamber, and the heat pipes are arranged on both sides of the outside of the cabinet, so that the heat pipes can dissipate the heat absorbed by the vapor chamber to the outside of the cabinet.

[0017] Furthermore, the outer side of the heat pipe is provided with a heat dissipation fin, and the heat dissipation fin is fixedly installed on the outer side of the cabinet.

[0018] The beneficial effect of adopting the above further solution is that by arranging heat dissipation fins on the outer side of the heat pipe, the heat dissipation fins are fixedly installed on the outer side of the cabinet, so as to increase the heat dissipation area of ​​the heat pipe and thus improve the heat dissipation efficiency.

[0019] Furthermore, the heat pipe and the vapor chamber are filled with phase change fluid, and a capillary layer is provided inside the heat pipe and the vapor chamber.

[0020] The beneficial effect of adopting the above further scheme is that the heat pipe and the heat spreader are filled with phase change liquid, and a capillary layer is provided on the inner side of the heat pipe and the heat spreader, so that the phase change liquid absorbs heat inside the heat spreader and vaporizes and flows into the heat pipe. The vaporized phase change liquid dissipates heat inside the heat pipe and condenses and liquefies. The liquefied phase change liquid is sucked into the heat spreader by the capillary layer for circulation.

[0021] Furthermore, a rain canopy is provided on the top of the cabinet, and a cabinet door is hinged on one side of the cabinet.

[0022] The beneficial effect of adopting the above further solution is that a rain canopy is provided on the top of the cabinet and a cabinet door is hinged on one side of the cabinet, so that the PLC controller and electrical components inside the cabinet are easily protected.

[0023] Furthermore, third wind guide plates are fixedly installed at both ends of the bottom of the rain eaves.

[0024] The beneficial effect of adopting the above further scheme is that by fixing the third air guide plates at both ends of the bottom of the eaves, the hot air generated by the heat dissipation component is directed to the outside of the eaves, avoiding heat accumulation at the bottom of the eaves and causing local temperature increase.

[0025] The beneficial effects of the utility model are as follows: a PLC control cabinet obtained by the utility model through the above design, the PLC control cabinet, has heat dissipation components fixedly installed on both sides of the cabinet, and circulation fan components fixedly installed on the top and bottom ends of both sides inside the cabinet, so that the heat dissipation components can absorb the heat inside the cabinet and dissipate it to the outside of the cabinet, thereby playing a role in heat dissipation and cooling. The circulation fan component drives the air circulation inside the cabinet to dissipate the heat fully inside the cabinet, and a cross-flow impeller is connected to the inside of the mounting frame for rotation, so that the cross-flow impeller rotates to allow air to enter from the air inlet and blow out from the air outlet. Through the circulation fan component arranged at the top of the cabinet, it is convenient to inhale the air with higher temperature at the top of the cabinet and blow it to the heat dissipation component for heat dissipation and cooling. Through the circulation fan component arranged at the bottom of the cabinet, it is convenient to blow the air after the heat dissipation component absorbs heat and cools it to the middle of the bottom end of the cabinet, so that the air inside the cabinet generates circulation, thereby the inside of the cabinet is fully cooled and cooled, and it has high practical value. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] In order to more clearly illustrate the technical solution of the implementation mode of the utility model, the drawings required for use in the implementation mode will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0027] Figure 1 A three-dimensional structure diagram of a PLC control cabinet provided by the utility model Figure 1 ;

[0028] Figure 2 A three-dimensional structure diagram of a PLC control cabinet provided by the utility model Figure 2 ;

[0029] Figure 3 An exploded view of the circulation fan assembly provided by the utility model;

[0030] Figure 4 An exploded view of the heat dissipation assembly provided by the utility model;

[0031] Figure 5 This is a cross-sectional view of the heat dissipation component provided by the utility model.

[0032] In the figure: 101, control cabinet assembly; 10101, cabinet body; 10102, first air guide plate; 10103, second air guide plate; 10104, rain eaves; 10105, cabinet door; 10106, third air guide plate; 102, heat dissipation assembly; 10201, heat spreader; 10202, heat pipe; 10203, heat dissipation fins; 10204, capillary layer; 103, circulation fan assembly; 10301, mounting frame; 10302, air outlet; 10303, drive motor; 10304, air inlet; 10305, cross-flow impeller. DETAILED DESCRIPTION

[0033] In order to make the purpose, technical solution and advantages of the implementation of the utility model clearer, the technical solution in the implementation of the utility model will be clearly and completely described below in conjunction with the drawings in the implementation of the utility model. Obviously, the described implementation is a part of the implementation of the utility model, not all of the implementations. Based on the implementation of the utility model, all other implementations obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0034] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in the field without creative work are within the scope of protection of the present invention.

[0035] Embodiment 1 of a PLC control cabinet of the utility model:

[0036] The utility model provides the following technical solutions: Figure 1-Figure 5As shown, a PLC control cabinet includes a control cabinet component 101, and the control cabinet component 101 includes a cabinet body 10101. Heat dissipation components 102 are fixedly installed on both sides of the cabinet body 10101, and circulation fan components 103 are fixedly installed on the top and bottom of both sides of the cabinet body 10101. The heat dissipation components 102 are fixedly installed on both sides of the cabinet body 10101, and the circulation fan components 103 are fixedly installed on the top and bottom of both sides of the cabinet body 10101, so that the heat dissipation component 102 absorbs the heat inside the cabinet body 10101 and dissipates it to the cabinet body 10101. 1, plays the role of heat dissipation and cooling. The circulation fan assembly 103 drives the air inside the cabinet 10101 to circulate, so as to fully dissipate the heat and cool the inside of the cabinet 10101. The circulation fan assembly 103 includes a mounting frame 10301, one side of the mounting frame 10301 is provided with an air outlet 10302, and the mounting frame 10301 is provided with an air inlet 10304 on the side adjacent to the air outlet 10302. The mounting frame 10301 is internally rotatably connected to a cross-flow impeller 10305. 05, so that the cross-flow impeller 10305 rotates to allow air to enter from the air inlet 10304 and blow out from the air outlet 10302. The air inlet 10304 of the circulation fan assembly 103 disposed at the top of the cabinet 10101 faces the middle of the top of the cabinet 10101, and the air outlet 10302 of the circulation fan assembly 103 disposed at the top of the cabinet 10101 faces the bottom of the cabinet 10101. The circulation fan assembly 103 disposed at the top of the cabinet 10101 facilitates the air with a higher temperature at the top of the cabinet 10101 to be sucked in and blown toward the heat dissipation assembly 102 for heat dissipation. For thermal cooling, the air inlet 10304 of the circulating fan assembly 103 arranged at the bottom of the cabinet 10101 is toward the top of the cabinet 10101, and the air outlet 10302 of the circulating fan assembly 103 arranged at the bottom of the cabinet 10101 is toward the middle of the bottom of the cabinet 10101. By setting the circulating fan assembly 103 at the bottom of the cabinet 10101, the air that has absorbed heat and cooled down by the heat dissipation assembly 102 can be blown to the middle of the bottom of the cabinet 10101, so that the air inside the cabinet 10101 circulates, thereby fully dissipating heat and cooling down the inside of the cabinet 10101.

[0037] Embodiment 2 of a PLC control cabinet of the utility model:

[0038] Reference Figure 1-Figure 3As shown, a driving motor 10303 is fixedly installed at one end of the mounting frame 10301, and the output end of the driving motor 10303 is fixedly connected to the crossflow impeller 10305. The driving motor 10303 is fixedly installed at one end of the mounting frame 10301, and the output end of the driving motor 10303 is fixedly connected to the crossflow impeller 10305, so that the driving motor 10303 drives the crossflow impeller 10305 to rotate, thereby driving the air to flow from the air inlet 10304 to the air outlet 10302, and the cabinet 101 01 is fixedly installed with a first air guide plate 10102 at the inner bottom, and a second air guide plate 10103 is fixedly installed at the inner top of the cabinet 10101. The first air guide plate 10102 is fixedly installed at the inner bottom of the cabinet 10101, and the second air guide plate 10103 is fixedly installed at the inner top of the cabinet 10101, so that the circulation fan assembly 103 can form two circulations inside the cabinet 10101, so that the heat dissipation assembly 102 can fully dissipate heat and cool down the air inside the cabinet 10101.

[0039] Embodiment 3 of a PLC control cabinet of the utility model:

[0040] Reference Figure 1-Figure 5As shown, the heat dissipation component 102 includes a heat spreader 10201, which is fixedly installed on both sides of the cabinet 10101. The heat spreader 10201 is fixedly installed on both sides of the cabinet 10101 so that the heat spreader 10201 can fully absorb the heat of the air inside the cabinet 10101. One side of the heat spreader 10201 is connected to a plurality of heat pipes 10202, and the heat pipes 10202 are arranged on both sides of the cabinet 10101. One side of the heat spreader 10201 is connected to a plurality of heat pipes 10202, and the heat pipes 10202 are arranged on both sides of the cabinet 10101. The heat pipe 10202 is provided with a heat dissipation fin 10203 on the outside of the cabinet 10101, and the heat dissipation fin 10203 is fixedly installed on the outside of the cabinet 10101. The heat pipe 10202 is provided with a heat dissipation fin 10203 on the outside of the cabinet 10101, and the heat dissipation area of ​​the heat pipe 10202 is increased, thereby improving the heat dissipation efficiency. The heat pipe 10202 and the heat spreader 10201 are filled with phase change liquid, and the heat pipe 10202 and the heat spreader 10201 are filled with phase change liquid. A capillary layer 10204 is provided on the inner side of the hot plate 10201, and the heat pipe 10202 and the heat spreader 10201 are filled with a phase change liquid, and the capillary layer 10204 is provided on the inner side of the heat pipe 10202 and the heat spreader 10201, so that the phase change liquid absorbs heat inside the heat spreader 10201 and vaporizes and flows into the heat pipe 10202, and the vaporized phase change liquid dissipates heat inside the heat pipe 10202 and condenses and liquefies, and the liquefied phase change liquid is sucked into the heat spreader 10201 by the capillary layer 10204 for circulation, and a rain canopy 10104 is provided on the top of the cabinet 10101, and the cabinet 10101 is A cabinet door 10105 is hinged on the side, and a rain canopy 10104 is provided on the top of the cabinet body 10101. A cabinet door 10105 is hinged on one side of the cabinet body 10101 to protect the PLC controller and electrical components inside the cabinet body 10101. Third air guide plates 10106 are fixedly installed at both ends of the bottom of the rain canopy 10104 to guide the hot air generated by the heat dissipation component 102 to the outside of the rain canopy 10104 to avoid heat accumulation at the bottom of the rain canopy 10104 and causing local temperature increase.

[0041] Specifically, the working principle of this PLC control cabinet is as follows: when in use, a rain canopy 10104 is provided on the top of the cabinet 10101, and a cabinet door 10105 is hinged on one side of the cabinet 10101, so as to protect the PLC controller and electrical components inside the cabinet 10101. The heat pipe 10202 and the heat spreader 10201 are filled with phase change liquid, and a capillary layer 10204 is provided on the inner side of the heat pipe 10202 and the heat spreader 10201, so as to facilitate the phase change liquid to absorb heat and vaporize inside the heat spreader 10201 and flow into the heat pipe 10202. The vaporized phase change liquid dissipates heat and condenses in the heat pipe 10202 to be liquefied. The liquefied phase change liquid is sucked into the heat spreader 10201 by the capillary layer 10204 for circulation. The heat spreader 10201 is fixedly installed on both sides of the cabinet 10101 to facilitate the heat spreader 10201 to fully absorb the heat of the air inside the cabinet 10101. A plurality of heat pipes 10202 are connected through one side of the heat spreader 10201. The heat pipes 10202 are arranged on both sides of the cabinet 10101 to facilitate the heat spreader 10202 to The heat absorbed by the heat pipe 10202 is dissipated to the outside of the cabinet 10101, and the heat dissipation fins 10203 are set on the outside of the heat pipe 10202. The heat dissipation fins 10203 are fixedly installed on the outside of the cabinet 10101, which is convenient for increasing the heat dissipation area of ​​the heat pipe 10202, thereby improving the heat dissipation efficiency. A driving motor 10303 is fixedly installed at one end of the mounting frame 10301, and the output end of the driving motor 10303 is fixedly connected to the crossflow impeller 10305, so that the driving motor 10303 works to drive the crossflow impeller 10305 to rotate, thereby driving The air flows from the air inlet 10304 to the air outlet 10302. Through the circulation fan assembly 103 arranged at the top of the cabinet 10101, the air with higher temperature at the top of the cabinet 10101 is sucked in and blown toward the heat dissipation assembly 102 for heat dissipation and cooling. Through the circulation fan assembly 103 arranged at the bottom of the cabinet 10101, the air that has absorbed heat and cooled by the heat dissipation assembly 102 is blown toward the middle of the bottom of the cabinet 10101, so that the air inside the cabinet 10101 circulates, thereby fully dissipating heat and cooling the inside of the cabinet 10101.

[0042] The above description is only the preferred implementation of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A PLC control cabinet, characterized in that: The invention comprises a control cabinet component (101), wherein the control cabinet component (101) comprises a cabinet body (10101), heat dissipation components (102) are fixedly mounted on both sides of the cabinet body (10101), and circulation fan components (103) are fixedly mounted on the top and bottom of both sides of the cabinet body (10101), and the circulation fan component (103) comprises a mounting frame (10301), an air outlet (10302) is provided on one side of the mounting frame (10301), and an air inlet (10304) is provided on a side adjacent to the air outlet (10302) of the mounting frame (10301), and a crossflow blade is rotatably connected to the mounting frame (10301) The wheel (10305) is provided such that an air inlet (10304) of the circulation fan assembly (103) arranged at the top end of the cabinet (10101) faces the middle of the top end of the cabinet (10101), and an air outlet (10302) of the circulation fan assembly (103) arranged at the top end of the cabinet (10101) faces the bottom of the cabinet (10101), an air inlet (10304) of the circulation fan assembly (103) arranged at the bottom end of the cabinet (10101) faces the top of the cabinet (10101), and an air outlet (10302) of the circulation fan assembly (103) arranged at the bottom end of the cabinet (10101) faces the middle of the bottom end of the cabinet (10101).

2. A PLC control cabinet according to claim 1, characterized in that: A driving motor (10303) is fixedly mounted on one end of the mounting frame (10301), and an output end of the driving motor (10303) is fixedly connected to the cross-flow impeller (10305).

3. A PLC control cabinet according to claim 1, characterized in that: A first air guide plate (10102) is fixedly installed on the bottom inner side of the cabinet body (10101), and a second air guide plate (10103) is fixedly installed on the top inner side of the cabinet body (10101).

4. A PLC control cabinet according to claim 1, characterized in that: The heat dissipation component (102) comprises a heat spreader (10201), and the heat spreader (10201) is fixedly mounted on both sides of the interior of the cabinet (10101).

5. A PLC control cabinet according to claim 4, characterized in that: One side of the heat spreader (10201) is connected to a plurality of heat pipes (10202), and the heat pipes (10202) are arranged on both sides of the outside of the cabinet (10101).

6. A PLC control cabinet according to claim 5, characterized in that: The heat pipe (10202) is sheathed with a heat dissipation fin (10203) on the outside, and the heat dissipation fin (10203) is fixedly mounted on the outside of the cabinet (10101).

7. A PLC control cabinet according to claim 6, characterized in that: The heat pipe (10202) and the heat spreader (10201) are filled with a phase change liquid, and a capillary layer (10204) is provided on the inner side of the heat pipe (10202) and the heat spreader (10201).

8. A PLC control cabinet according to claim 1, characterized in that: The top of the cabinet body (10101) is provided with a rain canopy (10104), and one side of the cabinet body (10101) is hingedly provided with a cabinet door (10105).

9. A PLC control cabinet according to claim 8, characterized in that: A third wind guide plate (10106) is fixedly mounted at both ends of the bottom of the rain eave (10104).

Images