Anti-interference PLC controller

Abstract

The utility model relates to the technical field of intelligent control, and discloses an anti-interference PLC controller comprising a box body, the top end of the box body is fixedly provided with a box cover, the four corners of the top end of the box cover are fixedly provided with half-body grooves, and the interiors of the four half-body grooves are fixedly provided with first bolts. And second bolts are fixedly arranged at four corners of the top end of the box body. According to the utility model, the box cover and the box body can be installed and fixed through the first bolts fixedly arranged in the four half-body grooves, internal elements can be conveniently maintained in the later period, the use cost is greatly reduced, and the whole equipment can be installed and fixed through the second bolts fixedly arranged at the four corners of the top end of the box body. And the dust screen is fixedly arranged on one side of the plurality of air inlets, so that the influence of dust entering the box body on internal equipment can be reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of intelligent control, in particular to an anti-interference type PLC controller. Background Art

[0002] PLC (Programmable Logic Controller) controller is a computer control device specially used for industrial automation control system. Through its programmable logic function, interface module and communication module, it can control and monitor various equipment and machines in the industrial production process. The advantages of PLC controller include strong programmability, good scalability, stability and reliability, high anti-interference ability, strong real-time performance, etc. It is widely used in various industrial production fields, such as manufacturing, energy, transportation, construction, metallurgy, etc., to realize the control and monitoring of automated production processes and improve production efficiency and product quality.

[0003] Most traditional PLC controllers are integrated structures, which are not only inconvenient to install and disassemble, but also inconvenient to repair the internal components later, greatly increasing the cost of use.

[0004] Therefore, those skilled in the art provide an anti-interference type PLC controller 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 to propose an anti-interference type PLC controller, which can install and fix the box cover and the box body by means of first bolts fixedly arranged inside the four half-body grooves, so as to facilitate the later maintenance of the internal components, greatly reduce the use cost, and solve the defect that most traditional PLC controllers are integrated structures, which are not only inconvenient to install and disassemble, but also inconvenient to repair the internal components later.

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

[0007] An anti-interference type PLC controller comprises a box body, a box cover is fixedly arranged at the top of the box body, half-body grooves are fixedly arranged at the four corners of the top of the box cover, first bolts are fixedly arranged inside the four half-body grooves, second bolts are fixedly arranged at the four corners of the top of the box body, a plurality of air inlets are fixedly opened on one side of the box body, a dustproof net is fixedly arranged on one side of the plurality of air inlets, and a group of third bolts are fixedly arranged on both sides of the dustproof net;

[0008] Through the above technical solution, the box cover and the box body can be installed and fixed by means of the first bolts fixedly arranged inside the four half-body grooves, which facilitates the later maintenance of the internal components and greatly reduces the use cost. The whole device can be installed and fixed by means of the second bolts fixedly arranged at the four corners of the top of the box body. The dustproof net fixedly arranged on one side of the multiple air inlets can reduce the impact of dust entering the box body on the internal equipment. The dustproof net can be easily replaced by means of a group of third bolts fixedly arranged on both sides of the dustproof net.

[0009] Furthermore, a controller body is fixedly arranged at the inner bottom end of the box body, and filters are connected to both ends of the controller body;

[0010] Through the above technical solution, filters are connected to both ends of the controller body so that the input and output signals of the controller can be filtered, thereby filtering out interference signals and ensuring signal stability.

[0011] Furthermore, an exhaust pipe is fixedly arranged on one side of the box body, a heat dissipation fan is fixedly arranged inside the exhaust pipe, and ventilation nets are fixedly arranged on both ends of the heat dissipation fan;

[0012] Through the above technical solution, an exhaust pipe is fixedly arranged on one side of the box body, a cooling fan is fixedly arranged inside the exhaust pipe, and ventilation nets are fixedly arranged at both ends of the cooling fan to facilitate ventilation and heat dissipation inside the box body.

[0013] Furthermore, the box body and the box cover are both made of aluminum alloy;

[0014] Through the above technical solution, the box body and the box cover are both made of aluminum alloy, which can better isolate interference signals.

[0015] Furthermore, electromagnetic shielding sleeves are fixedly arranged on both sides of the box body, and signal lines are arranged inside the two electromagnetic shielding sleeves;

[0016] Through the above technical solution, by fixing the electromagnetic shielding sleeves on both sides of the box body, not only can the interference signal be prevented from being transmitted to the controller body through the signal line, but the transmission of the interference signal can also be blocked.

[0017] Furthermore, a plurality of control buttons are fixedly provided on the top of the box cover;

[0018] Through the above technical solution, a plurality of control buttons are fixedly provided on the top of the box cover, thereby making it convenient to control the controller.

[0019] Furthermore, a display screen is fixedly provided on the top of the box cover;

[0020] Through the above technical solution, the display screen is fixedly arranged on the top of the box cover so that the data of the controller can be viewed conveniently.

[0021] The utility model has the following beneficial effects:

[0022] 1. The utility model proposes an anti-interference PLC controller. The box cover and the box body can be installed and fixed by first bolts fixedly arranged inside the four half-body grooves, which is convenient for later maintenance of internal components and greatly reduces the use cost. Second bolts are fixedly arranged at the four corners of the top of the box body so that the entire device can be installed and fixed. The dustproof net fixedly arranged on one side of the multiple air inlets can reduce the impact of dust entering the box body on the internal equipment. A group of third bolts are fixedly arranged on both sides of the dustproof net to facilitate the replacement of the dustproof net.

[0023] 2. The utility model proposes an anti-interference PLC controller, which can filter the input and output signals of the controller by connecting filters at both ends of the controller body, thereby filtering out interference signals and ensuring signal stability. By fixing electromagnetic shielding sleeves on both sides of the box body, it can not only prevent interference signals from being transmitted to the controller body through the signal line, but also block the transmission of interference signals. By making the box body and the box cover both of them with aluminum alloy, the interference signals can be better isolated. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 This is an axonometric diagram of an anti-interference type PLC controller proposed by the utility model;

[0025] Figure 2 This is an exploded diagram of an anti-interference type PLC controller proposed by the utility model;

[0026] Figure 3 This is a cross-sectional view of an anti-interference type PLC controller proposed by the utility model;

[0027] Figure 4 This is a side view of an anti-interference type PLC controller proposed by the utility model;

[0028] Figure 5 for Figure 3 Enlarged view of point A in the middle.

[0029] Legend:

[0030] 1. Box body; 2. Box cover; 3. First bolt; 4. Second bolt; 5. Air inlet; 6. Dust screen; 7. Third bolt; 8. Cooling fan; 9. Ventilation screen; 10. Electromagnetic shielding sleeve; 11. Signal line; 12. Controller body; 13. Filter; 14. Half-body slot; 15. Display screen; 16. Control button; 17. Exhaust duct. DETAILED DESCRIPTION

[0031] 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.

[0032] Reference Figure 1-5 , The utility model provides an embodiment: an anti-interference type PLC controller, including a box body 1, a box cover 2 is fixedly arranged on the top of the box body 1, and a half-body groove 14 is fixedly arranged at the four corners of the top of the box cover 2. The first bolts 3 are fixedly arranged inside the four half-body grooves 14, and the second bolts 4 are fixedly arranged at the four corners of the top of the box body 1. A plurality of air inlets 5 are fixedly opened on one side of the box body 1, and a dustproof net 6 is fixedly arranged on one side of the plurality of air inlets 5. A group of third bolts 7 are fixedly arranged on both sides of the dustproof net 6. The box cover 2 and the box body 1 can be installed and fixed by the first bolts 3 fixedly arranged inside the four half-body grooves 14, which is convenient for later maintenance of internal components and greatly reduces the use cost. The second bolts 4 are fixedly arranged at the four corners of the top of the box body 1 so that the entire device can be installed and fixed. The dustproof net 6 fixedly arranged on one side of the plurality of air inlets 5 can reduce the impact of dust entering the box body 1 on the internal equipment. The dustproof net 6 is conveniently replaced by a group of third bolts 7 fixedly arranged on both sides of the dustproof net 6.

[0033] A controller body 12 is fixedly provided at the inner bottom end of the box body 1, and filters 13 are connected at both ends of the controller body 12. By connecting filters 13 at both ends of the controller body 12, the input and output signals of the controller can be filtered, thereby filtering out interference signals and ensuring the stability of the signal. An exhaust cylinder 17 is fixedly provided on one side of the box body 1, and a heat dissipation fan 8 is fixedly provided inside the exhaust cylinder 17. Ventilation nets 9 are fixedly provided at both ends of the heat dissipation fan 8. By fixing an exhaust cylinder 17 on one side of the box body 1, a heat dissipation fan 8 is fixedly provided inside the exhaust cylinder 17, and ventilation nets 9 are fixedly provided at both ends of the heat dissipation fan 8, ventilation and heat dissipation of the inside of the box body 1 are facilitated. The box body 1 and the box cover 2 are made of aluminum. Alloy, the box body 1 and the box cover 2 are both made of aluminum alloy to better isolate interference signals, electromagnetic shielding sleeves 10 are fixedly provided on both sides of the box body 1, and signal lines 11 are provided inside the two electromagnetic shielding sleeves 10. By fixing the electromagnetic shielding sleeves 10 on both sides of the box body 1, not only can the interference signal be prevented from being transmitted to the controller body through the signal line 11, but also the transmission of the interference signal can be blocked, a plurality of control buttons 16 are fixedly provided on the top of the box cover 2, and a plurality of control buttons 16 are fixedly provided on the top of the box cover 2 to facilitate the control of the controller, a display screen 15 is fixedly provided on the top of the box cover 2, and a display screen 15 is fixedly provided on the top of the box cover 2 to facilitate the viewing of the controller data.

[0034] Working principle: First, the box cover 2 and the box body 1 are installed and fixed by the first bolts 3 fixedly arranged inside the four half-body grooves 14, and then the whole device is installed and fixed by the second bolts 4 fixedly arranged at the four corners of the top of the box body 1. By connecting filters 13 at both ends of the controller body 12, the input and output signals of the controller can be filtered. By fixing electromagnetic shielding sleeves 10 on both sides of the box body 1, not only can the interference signal be prevented from being transmitted to the controller body through the signal line 11, but the interference signal can be better isolated by making the box body 1 and the box cover 2 made of aluminum alloy.

[0035] 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. An anti-interference type PLC controller, comprising a box body (1), characterized in that: A box cover (2) is fixedly provided at the top of the box body (1), and half-body grooves (14) are fixedly provided at the four corners of the top of the box cover (2), and first bolts (3) are fixedly provided inside the four half-body grooves (14). Second bolts (4) are fixedly provided at the four corners of the top of the box body (1), and a plurality of air inlets (5) are fixedly provided on one side of the plurality of air inlets (5), and a dustproof net (6) is fixedly provided on one side of the plurality of air inlets (5), and a group of third bolts (7) are fixedly provided on both sides of the dustproof net (6).

2. The anti-interference PLC controller according to claim 1, characterized in that: A controller body (12) is fixedly arranged at the inner bottom end of the box body (1), and filters (13) are connected to both ends of the controller body (12).

3. The anti-interference PLC controller according to claim 1, characterized in that: An exhaust pipe (17) is fixedly arranged on one side of the box body (1), a heat dissipation fan (8) is fixedly arranged inside the exhaust pipe (17), and ventilation nets (9) are fixedly arranged at both ends of the heat dissipation fan (8).

4. The anti-interference PLC controller according to claim 1, characterized in that: The box body (1) and the box cover (2) are both made of aluminum alloy.

5. The anti-interference PLC controller according to claim 1, characterized in that: Electromagnetic shielding sleeves (10) are fixedly arranged on both sides of the box body (1), and signal lines (11) are arranged inside the two electromagnetic shielding sleeves (10).

6. The anti-interference PLC controller according to claim 1, characterized in that: A plurality of control buttons (16) are fixedly arranged on the top of the box cover (2).

7. The anti-interference PLC controller according to claim 1, characterized in that: A display screen (15) is fixedly arranged on the top of the box cover (2).

Images