PLC human-computer interface control cabinet

The PLC human-machine interface control cabinet addresses heat dissipation and insect ingress issues by using insect-proof nets, ventilation plates, and fans, enhancing thermal management and component stability.

CN222170175UActive Publication Date: 2024-12-13石家庄陆杰电子科技有限公司
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Patent Information

Application Number
CN202420520727.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-03-18
Publication Date
2024-12-13
Estimated Expiration
2034-03-18

AI Technical Summary

Technical Problem

Traditional PLC control cabinets suffer from inadequate heat dissipation efficiency and insect ingress through ventilation slots, which compromises device longevity and functionality.

Method used

The PLC human-machine interface control cabinet incorporates insect-proof nets on the upper box body, ventilation plates to separate the upper and lower box bodies, and fans for enhanced heat dissipation, along with limit strips and a secure door mechanism to stabilize components and conserve space.

Benefits of technology

The solution effectively prevents insect intrusion while improving heat dissipation, extending device life and ensuring stable component operation.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222170175U_ABST
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Abstract

The utility model relates to the field of control cabinet devices, and discloses a PLC human-computer interface control cabinet which comprises an upper box body, ventilation grooves are formed in the two sides of the upper box body respectively, insect-proof nets are fixedly arranged on the two sides of the upper box body respectively, a ventilation plate is fixedly arranged at the inner side end of the upper box body, a lower box body is fixedly arranged at the bottom end of the upper box body, and the lower box body is fixedly arranged at the bottom end of the upper box body. Two machine covers are fixedly arranged at the inner bottom of the lower box body, and motors are fixedly arranged at the inner bottoms of the two machine covers. According to the utility model, the two sides of the upper box body are provided with the ventilation slots, so that external air can enter the device during heat dissipation of the device, and meanwhile, the two sides of the upper box body are respectively provided with the insect-proof nets, so that sundries or insects can be prevented from entering the device when the air enters the device; and therefore, devices in the device can be protected, and insects and other sundries are prevented from entering the device to damage the device.
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Description

Technical Field

[0001] The utility model relates to the field of control cabinet devices, in particular to a PLC human-machine interface control cabinet. Background Art

[0002] PLC human-machine interface control cabinet is a device used in automated control systems. It integrates programmable logic controllers and human-machine interfaces into a control cabinet to monitor and control industrial equipment. In modern industrial production, automated control systems have become an indispensable part of the process. PLC, as the core equipment of industrial control, is responsible for collecting signals from sensors and actuators and performing logical control through programs. HMI, as an interface for interacting with operators, provides operators with information such as process parameters, real-time data, and fault alarms, and accepts instructions from operators.

[0003] Traditional PLC control cabinets usually have small ventilation slots on the control cabinet to dissipate heat from the devices inside the control cabinet. This type of heat dissipation will cause the heat dissipation efficiency of the device to fail to meet the required requirements, and when in use, insects will enter the interior of the device through the ventilation slots, which will affect the service life of the device.

[0004] Therefore, those skilled in the art provide a PLC human-machine interface control cabinet to solve the problems raised in the above background technology. Utility Model Content

[0005] The purpose of the utility model is to solve the shortcomings existing in the prior art, and a PLC human-machine interface control cabinet is proposed. Insect-proof nets are installed on both sides of the upper box body to prevent debris or insects from entering the interior of the device, thereby protecting the devices inside the device. At the same time, ventilation plates are used to separate the upper box body and the lower box body, so that air can circulate better, thereby better dissipating the heat of the devices inside the control cabinet.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A PLC human-machine interface control cabinet comprises an upper box body, ventilation slots are provided on both sides of the upper box body, insect-proof nets are fixedly provided on both sides of the upper box body, ventilation plates are fixedly provided on the inner side ends of the upper box body, a lower box body is fixedly provided on the bottom end of the upper box body, two machine covers are fixedly provided on the inner bottom of the lower box body, motors are fixedly provided on the inner bottoms of the two machine covers, fans are fixedly provided on the output ends of the two motors, and grilles are fixedly provided on both sides of the lower box body;

[0008] Through the above technical solution, ventilation slots are opened on both sides of the upper box body to allow external air to enter the inside of the device when the device is dissipating heat. At the same time, installing an insect-proof net can prevent debris or insects from entering the inside of the device, thereby increasing the service life of the device. Using a fan can better dissipate heat for the device inside the device.

[0009] Furthermore, two pairs of first limit strips are fixedly provided on the inner top of the upper box body, and a pair of second limit strips are fixedly provided on the inner side ends of the upper box body;

[0010] Through the above technical solution, the first limit strip and the second limit strip are installed inside the upper box body to limit the movement of the slider, thereby stabilizing the movement of the mounting plate.

[0011] Furthermore, sliders are slidably arranged inside the two pairs of the first limiting strips and the second limiting strips, and mounting plates are fixedly arranged inside the plurality of the sliders;

[0012] Through the above technical solution, the device used can be installed on the mounting plate, and the position of the mounting plate can be adjusted by using the slider in conjunction with the first limiting bar and the second limiting bar, thereby saving the internal space of the device.

[0013] Furthermore, a pair of hinges are fixedly provided on the front end surface of the upper box body, and a box door is fixedly provided on the rear end surfaces of the pair of hinges;

[0014] Through the above technical solution, installing the hinge can stabilize the opening and closing of the door, and can limit the door to prevent shaking when opening.

[0015] Furthermore, a switch lock is slidably provided inside the door, and a limit post is fixedly provided on one side of the switch lock;

[0016] Through the above technical solution, installing and using the switch lock can better close the door and will not cause it to open during use.

[0017] Furthermore, a spring is arranged on the outer side of the limit column, and a handle is fixedly arranged on the front end surface of the switch lock;

[0018] Through the above technical solution, installing a spring on the outside of the limit column can make the switch lock rebound after use to facilitate the next use. At the same time, installing a handle can facilitate the use of the switch lock.

[0019] Furthermore, support legs are fixedly provided at the four corners of the bottom end of the lower box body;

[0020] Through the above technical solution, the support legs are installed at the bottom end of the lower box body to support the device and prevent the device from directly contacting the ground and affecting the service life of the device.

[0021] Furthermore, a control panel is fixedly provided on the front end surface of the box door;

[0022] Through the above technical solution, installing and using the control panel can enable staff to use it and can also facilitate control of the device.

[0023] The utility model has the following beneficial effects:

[0024] 1. A PLC human-machine interface control cabinet proposed by the utility model has ventilation slots on both sides of the upper box body so that external air can enter the inside of the device when the device is dissipating heat. At the same time, insect-proof nets are installed on both sides of the upper box body so that when air enters the inside of the device, it can prevent debris or insects from entering the inside of the device, thereby protecting the device inside the device and preventing insects and other debris from entering the inside of the device to cause damage to the device. At the same time, a ventilation plate is used to separate the upper box body from the lower box body, so that air can circulate better. In addition, a fan can be used to better dissipate heat for the device inside the device.

[0025] 2. The utility model proposes a PLC human-machine interface control cabinet, in which a first limit strip and a second limit strip are installed inside the upper box body to limit the slider, so that the mounting plate can slide inside the upper box body, and the device used can be installed on the mounting plate so that the mounting plate can adjust the position, thereby saving the internal space of the device for use. In addition, the installation and use of a switch lock can better close the box door and will not cause it to be opened during use. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 This is an axonometric diagram of a PLC human-machine interface control cabinet proposed by the utility model;

[0027] Figure 2 This is an axial section view of an upper box body of a PLC human-machine interface control cabinet proposed by the utility model;

[0028] Figure 3 This is an axonometric view of a PLC human-machine interface control cabinet door proposed by the utility model;

[0029] Figure 4 This is an axonometric diagram of a switch lock of a PLC human-machine interface control cabinet proposed by the utility model;

[0030] Figure 5 This is a main sectional view of a PLC human-machine interface control cabinet proposed by the utility model;

[0031] Figure 6 The utility model is a top sectional view of a PLC human-machine interface control cabinet.

[0032] Legend:

[0033] 1. Upper box body; 2. Ventilation slot; 3. Insect screen; 4. Ventilation plate; 5. Lower box body; 6. Hood; 7. Motor; 8. Fan; 9. Grille; 10. First limit strip; 11. Second limit strip; 12. Slider; 13. Mounting plate; 14. Hinge; 15. Box door; 16. Switch lock; 17. Limit column; 18. Spring; 19. Handle; 20. Support leg; 21. Control panel. DETAILED DESCRIPTION

[0034] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0035] Reference Figure 1-6 The utility model provides an embodiment: a PLC human-machine interface control cabinet, comprising an upper box body 1, ventilation slots 2 are provided on both sides of the upper box body 1, insect-proof nets 3 are fixedly arranged on both sides of the upper box body 1, ventilation plates 4 are fixedly arranged on the inner side ends of the upper box body 1, a lower box body 5 is fixedly arranged on the bottom end of the upper box body 1, two machine covers 6 are fixedly arranged on the inner bottom of the lower box body 5, motors 7 are fixedly arranged on the inner bottoms of the two machine covers 6, fans 8 are fixedly arranged on the output ends of the two motors 7, grilles 9 are fixedly arranged on both sides of the lower box body 5, ventilation slots 2 are provided on both sides of the upper box body 1 so that external air can enter the interior of the device when the device is dissipating heat, and the installation of insect-proof nets 3 can prevent debris or insects from entering the interior of the device, thereby increasing the service life of the device, and the use of fans 8 can better dissipate heat for the device inside the device.

[0036] Two pairs of first limit strips 10 are fixedly provided on the inner top of the upper box body 1, and a pair of second limit strips 11 are fixedly provided on the inner side ends of the upper box body 1. The first limit strips 10 and the second limit strips 11 are installed and used inside the upper box body 1 to limit the movement of the slider 12, thereby stabilizing the movement of the mounting plate 13. Sliders 12 are slidably provided inside the two pairs of first limit strips 10 and the second limit strips 11, and mounting plates 13 are fixedly provided on the inner sides of the multiple sliders 12. The used device can be installed on the mounting plate 13, and the position of the mounting plate 13 can be adjusted by using the sliders 12 in conjunction with the first limit strips 10 and the second limit strips 11, thereby saving the internal space of the device. A pair of hinges 14 are fixedly provided on the front end surface of the upper box body 1, and a box door 15 is fixedly provided on the rear end surface of the pair of hinges 14. Installing the hinges 14 can stabilize the opening and closing of the box door 15, and can limit the box door 15 to prevent it from slipping out when opened. Now it shakes, a switch lock 16 is provided for sliding inside the box door 15, and a limiting column 17 is fixedly provided on one side of the switch lock 16. Installing and using the switch lock 16 can better close the box door 15 and will not cause it to open during use. A spring 18 is provided on the outside of the limiting column 17, and a handle 19 is fixedly provided on the front end face of the switch lock 16. Installing and using the spring 18 on the outside of the limiting column 17 can make the switch lock 16 rebound after use for convenience of next use. At the same time, installing the handle 19 can facilitate the use of the switch lock 16. Support legs 20 are fixedly provided at the four corners of the bottom end of the lower box body 5. Installing the support legs 20 at the bottom end of the lower box body 5 can support the device to prevent the device from directly contacting the ground and affecting the service life of the device. A control panel 21 is fixedly provided on the front end face of the box door 15. Installing and using the control panel 21 can enable the staff to use it, and can also facilitate the control of the device.

[0037] Working principle: when in use, first use the handle 19 to slide the switch lock 16 and pull it backwards, then the box door 15 can be opened. After the box door 15 is opened, the required device can be installed on the mounting plate 13 for use. After one installation is completed, the first limit bar 10 and the second limit bar 11 can be used in conjunction with the slider 12 to place the mounting plate 13 inside the upper box body 1 to ensure that the mounting plate 13 can be stably installed inside the upper box body 1. After the installation is completed, close the box door 15 and use the control board 21 to control the motor 7 so that the motor 7 drives the fan 8 to rotate, thereby dissipating the heat of the device. During heat dissipation, air outside the device enters from the ventilation slot 2, passes through the interior of the upper box body 1, and then passes through the ventilation plate 4 again to enter the lower box body 5, and then is discharged from the grille 9, so that the device has a better cooling effect. At the same time, an insect-proof net 3 is installed at the ventilation slot 2 to prevent insects and other impurities from entering the interior of the device when air enters.

[0038] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A PLC human-machine interface control cabinet, comprising an upper box (1), characterized in that: Ventilation slots (2) are provided on both sides of the upper box body (1), insect-proof nets (3) are fixedly provided on both sides of the upper box body (1), a ventilation plate (4) is fixedly provided on the inner side end of the upper box body (1), a lower box body (5) is fixedly provided on the bottom end of the upper box body (1), two machine covers (6) are fixedly provided on the inner bottom of the lower box body (5), motors (7) are fixedly provided on the inner bottoms of the two machine covers (6), fans (8) are fixedly provided on the output ends of the two motors (7), and grilles (9) are fixedly provided on both sides of the lower box body (5).

2. A PLC human-machine interface control cabinet according to claim 1, characterized in that: Two pairs of first limiting strips (10) are fixedly arranged on the inner top of the upper box body (1), and a pair of second limiting strips (11) are fixedly arranged on the inner side ends of the upper box body (1).

3. A PLC human-machine interface control cabinet according to claim 2, characterized in that: Slide blocks (12) are slidably arranged inside the two pairs of the first limit bars (10) and the second limit bars (11), and mounting plates (13) are fixedly arranged on the inner sides of the plurality of slide blocks (12).

4. A PLC human-machine interface control cabinet according to claim 1, characterized in that: A pair of hinges (14) are fixedly arranged on the front end surface of the upper box body (1), and a box door (15) is fixedly arranged on the rear end surface of the pair of hinges (14).

5. A PLC human-machine interface control cabinet according to claim 4, characterized in that: A switch lock (16) is slidably arranged inside the box door (15), and a limiting column (17) is fixedly arranged on one side of the switch lock (16).

6. A PLC human-machine interface control cabinet according to claim 5, characterized in that: A spring (18) is arranged on the outer side of the limiting column (17), and a handle (19) is fixedly arranged on the front end surface of the switch lock (16).

7. A PLC human-machine interface control cabinet according to claim 1, characterized in that: Support legs (20) are fixedly arranged at the four corners of the bottom end of the lower box body (5).

8. A PLC human-machine interface control cabinet according to claim 4, characterized in that: A control panel (21) is fixedly arranged on the front end surface of the box door (15).