Anti-interference PLC controller

Abstract

The utility model discloses an anti -interference type PLC controller, it includes: box, the both sides of box are equipped with ventilation opening, the top and bottom of ventilation opening all are fixedly connected with the installation sliding slot, the inside swing joint of installation sliding slot has dust screen, the bottom both sides of box are equipped with the adjusting groove, the inside swing joint of adjusting groove has the sleeve, the inside swing joint of sleeve has movable block, the both sides of movable block are equipped with movable slot, the inside fixed connection of movable slot has the positioning spring, the other end fixed connection of positioning spring has the locating block, the top of movable block is equipped with fixed hole, through setting installation sliding slot in the top and bottom of ventilation opening, it is convenient for dust screen and installation and dismounting, and through setting adjusting groove, it is convenient for adjusting the position of sleeve, and the position of movable block in the sleeve is adjustable, and then it is convenient for adjusting the position of fixed hole, has improved the flexibility of this PLC controller installation.

Description

Technical Field

[0001] This utility model relates to the field of PLC controller technology, and in particular to an anti-interference PLC controller. Background Technology

[0002] An anti-interference PLC controller is a control device that is specifically designed and optimized for complex electromagnetic interference problems in industrial environments, based on the traditional programmable logic controller.

[0003] The "Anti-interference PLC Controller" with application number "202420071101.7" describes a controller that uses first bolts fixed inside the four half-body slots to install and fix the cover to the box body, facilitating later maintenance of internal components and greatly reducing operating costs. Second bolts are fixed at the four corners of the top of the box body to install and fix the entire device. Dustproof nets fixed on one side of multiple air inlets can reduce dust entering the box body and affecting the internal equipment.

[0004] However, the dust filter of the controller is installed inside the box, which is inconvenient to install and remove, and thus inconvenient to clean the dust filter. In addition, the positions of the four top corner mounting holes of the controller are fixed and cannot be adjusted, so it can only be installed at fixed points, which makes it less versatile. Utility Model Content

[0005] The purpose of this utility model is to provide an anti-interference PLC controller, which solves the problems of existing controllers where the dustproof screen is installed inside the box, making it inconvenient to install and remove, and thus inconvenient to clean the dustproof screen; and the fixed position of the four top corner mounting holes of the controller, which cannot be adjusted and can only be installed at fixed points, resulting in poor applicability.

[0006] To achieve the above objectives, an anti-interference PLC controller is provided, comprising: a housing, a controller body fixedly connected inside the housing, a filter fixedly connected inside the housing, the filter and the controller body being connected via a connecting cable, ventilation openings on both sides of the housing, mounting grooves fixedly connected to the top and bottom of the ventilation openings, and a dustproof net movably connected inside the mounting groove, facilitating the installation and removal of the dustproof net, thereby facilitating the replacement and cleaning of the dustproof net;

[0007] The bottom of the box has adjustment grooves on both sides. A sleeve is movably connected inside the adjustment groove. A movable block is movably connected inside the sleeve. Movable grooves are opened on both sides of the movable block. A positioning spring is fixedly connected inside the movable groove. A positioning block is fixedly connected to the other end of the positioning spring. A fixing hole is opened on the top of the movable block to facilitate the adjustment of the position of the fixing hole.

[0008] According to the anti-interference PLC controller, the top of the enclosure is covered with a cover, and the cover is movably connected to the enclosure by fixing bolts, which facilitates the installation and removal of the cover.

[0009] According to the anti-interference PLC controller, both the dustproof net and the mounting slide are provided with mounting holes on one side, and the position, shape and size of the mounting holes correspond to each other, which facilitates the fixing of the dustproof net.

[0010] According to the anti-interference PLC controller, the top of the adjustment slot is provided with an adjustment hole, and the top of the sleeve is provided with a positioning hole. The shape and size of the positioning hole are the same as the diameter of the adjustment hole, which facilitates the installation of the sleeve.

[0011] According to the anti-interference PLC controller, the shape and size of the movable block are matched with the shape and size of the sleeve, and the movable block is slidably connected to the inner wall of the sleeve, which facilitates the adjustment of the position of the movable block.

[0012] According to the anti-interference PLC controller, the diameter of the movable slot is larger than the diameter of the positioning block, and the positioning block is slidably connected to the inner wall of the movable slot, which facilitates the retraction of the positioning block and thus facilitates the adjustment and fixation of the position of the movable block.

[0013] According to the anti-interference PLC controller, the sleeve has two adjustment holes on both sides. The shape and size of the adjustment holes match the shape and size of the positioning block. The positioning block is movably connected to the corresponding adjustment hole under the action of the positioning spring, which facilitates fixing the position of the movable block and thus facilitates fixing the position of the fixing hole.

[0014] The above-mentioned solution has the following beneficial effects:

[0015] 1. This anti-interference PLC controller can filter the output or input signals of the controller body by setting filters on both sides of the controller body, thereby improving the anti-interference capability of the controller body. At the same time, the top and bottom of the ventilation port are provided with mounting grooves, and the dustproof net is installed in the mounting grooves and fixed by mounting holes and fixing bolts, which facilitates the installation and removal of the dustproof net, and thus facilitates the cleaning of the dustproof net, thereby improving the practicality of this anti-interference PLC controller.

[0016] 2. This anti-interference PLC controller features an adjustment slot at the bottom of the housing. Inside the adjustment slot, a sleeve is installed using fixing bolts. By adjusting the position of the sleeve within the adjustment slot, the position of the fixing hole can be adjusted. Furthermore, the position of the movable block within the sleeve is adjustable, facilitating the adjustment of the fixing hole position. This allows the anti-interference PLC controller to adjust the fixing hole position according to the required installation location, improving the installation flexibility of the PLC controller.

[0017] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0018] The present invention will be further described below with reference to the accompanying drawings and embodiments;

[0019] Figure 1 This is a three-dimensional structural diagram of an anti-interference PLC controller according to the present invention;

[0020] Figure 2 This is a three-dimensional structural diagram of an anti-interference PLC controller according to the present invention;

[0021] Figure 3 This is a cross-sectional view of an anti-interference PLC controller according to the present invention;

[0022] Figure 4 This is a three-dimensional structural diagram of the sleeve of an anti-interference PLC controller according to the present invention;

[0023] Figure 5 This is a three-dimensional structural diagram of the movable block of an anti-interference PLC controller according to the present invention;

[0024] Figure 6 This is a cross-sectional view of the active block of an anti-interference PLC controller according to this utility model.

[0025] Legend:

[0026] 1. Cabinet; 2. Cabinet cover; 3. Controller body; 4. Filter; 5. Ventilation opening; 6. Mounting slide; 7. Dustproof net; 8. Mounting hole; 9. Adjustment slot; 10. Adjustment hole one; 11. Sleeve; 12. Positioning hole; 13. Adjustment hole two; 14. Movable block; 15. Movable slot; 16. Positioning spring; 17. Positioning block; 18. Fixing hole; 19. Connecting wire. Detailed Implementation

[0027] This section will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the accompanying drawings. The purpose of the drawings is to supplement the textual description with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the present utility model, but they should not be construed as limiting the scope of protection of the present utility model.

[0028] Reference Figure 1-6This utility model provides an anti-interference PLC controller, which includes: a housing 1, a controller body 3 fixedly connected inside the housing 1, a filter 4 fixedly connected inside the housing 1, the filter 4 and the controller body 3 connected by a connecting line 19, ventilation openings 5 ​​on both sides of the housing 1, mounting grooves 6 fixedly connected to the top and bottom of the ventilation openings 5, a dustproof net 7 movably connected inside the mounting groove 6, and the dustproof net 7 is installed in the mounting groove 6 by fixing bolts, which facilitates installation and disassembly, and thus facilitates cleaning;

[0029] The bottom of the housing 1 has adjustment grooves 9 on both sides. A sleeve 11 is movably connected inside the adjustment groove 9. A movable block 14 is movably connected inside the sleeve 11. Movable grooves 15 are opened on both sides of the movable block 14. A positioning spring 16 is fixedly connected inside the movable groove 15. A positioning block 17 is fixedly connected to the other end of the positioning spring 16. A fixing hole 18 is opened on the top of the movable block 14. By adjusting the position of the sleeve 11 in the adjustment groove 9 and the position of the movable block 14 in the sleeve 11, the position of the fixing hole 18 can be adjusted, thereby improving the installation flexibility of the housing 1.

[0030] The top of the housing 1 is covered with a cover 2, which is movably connected to the housing 1 by fixing bolts, facilitating the installation and removal of the cover 2 and thus the maintenance of the parts inside the housing 1. The dustproof net 7 and the mounting slide 6 each have mounting holes 8 on one side, and the positions, shapes, and sizes of the mounting holes 8 correspond to each other. Tightening the fixing bolts into the corresponding mounting holes 8 completes the installation of the dustproof net 7. The top of the adjusting groove 9 has an adjusting hole 10, and the top of the sleeve 11 has a positioning hole 12. The shape and size of the positioning hole 12 are the same as the diameter of the adjusting hole 10. Inserting the fixing bolts into the corresponding positioning holes 12 and adjusting holes 10 completes the fixing of the sleeve 11, facilitating the adjustment of the sleeve 11's position. The shape and size of the movable block 14 are the same as the shape and size of the sleeve 11. The movable block 14 is slidably connected to the inner wall of the sleeve 11. The diameter of the movable groove 15 is larger than the diameter of the positioning block 17. The positioning block 17 is slidably connected to the inner wall of the movable groove 15. When the positioning block 17 is pressed, the positioning block 17 retracts towards the inside of the movable groove 15, which facilitates disconnection of the positioning block 17 from the adjustment hole 13 and facilitates adjustment of the position of the movable block 14. The sleeve 11 has adjustment holes 13 on both sides. The shape and size of the adjustment holes 13 match the shape and size of the positioning block 17. The positioning block 17 is movably connected to the corresponding adjustment hole 13 under the action of the positioning spring 16. The positioning block 17 is connected to the adjustment hole 13 through the elastic force of the positioning spring 16, which can fix the position of the movable block 14 in the sleeve 11 and facilitate fixation of the position of the fixing hole 18.

[0031] Working principle: When installing this anti-interference PLC controller, the position of the fixed hole 18 can be adjusted according to the required installation position of the controller. Adjust the position of the movable block 14 in the sleeve 11, press the positioning blocks 17 on both sides of the movable block 14 to make it retract into the movable groove 15 and compress the positioning spring 16, thereby disconnecting the connection between the positioning block 17 and the second adjustment hole 13, and then adjust the position of the movable block 14 in the sleeve 11. After the adjustment is completed, align the positioning blocks 17 on both sides of the movable block 14 with the corresponding adjustment holes 13. The positioning blocks 17 are movably connected to the second adjustment hole 13 under the elastic force of the positioning spring 16, thereby completing the lateral adjustment of the position of the fixed hole 18. Select a suitable adjustment hole 10, put the sleeve 11 into the adjustment groove 9, and align the positioning hole 12 on the sleeve 11 with the selected adjustment hole 10. Insert the fixing bolt and tighten it to complete the installation of the sleeve 11, thereby completing the longitudinal adjustment of the position of the fixed hole 18.

[0032] When removing the dust screen 7, take out the fixing bolt in the mounting hole 8 to remove the dust screen 7. After cleaning, reinsert the dust screen 7 into the mounting groove 6, align the dust screen 7 with the mounting hole 8 on the mounting groove 6, insert the fixing bolt and tighten it to complete the replacement of the dust screen 7.

[0033] The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings. However, the present utility model is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present utility model.

Claims

1. An anti-interference PLC controller, comprising: The housing (1) is characterized in that a controller body (3) is fixedly connected inside the housing (1), a filter (4) is fixedly connected inside the housing (1), the filter (4) and the controller body (3) are connected by a connecting line (19), ventilation openings (5) are provided on both sides of the housing (1), and mounting grooves (6) are fixedly connected to the top and bottom of the ventilation openings (5), and a dustproof net (7) is movably connected inside the mounting grooves (6); The bottom of the box (1) has adjustment grooves (9) on both sides. A sleeve (11) is movably connected inside the adjustment groove (9). A movable block (14) is movably connected inside the sleeve (11). Movable grooves (15) are opened on both sides of the movable block (14). A positioning spring (16) is fixedly connected inside the movable groove (15). A positioning block (17) is fixedly connected to the other end of the positioning spring (16). A fixing hole (18) is opened on the top of the movable block (14).

2. The anti-interference PLC controller according to claim 1, characterized in that, The top of the box (1) is covered with a box cover (2), and the box cover (2) is movably connected to the box (1) by fixing bolts.

3. The anti-interference PLC controller according to claim 1, characterized in that, The dustproof net (7) and the mounting groove (6) are both provided with mounting holes (8) on one side, and the position, shape and size of the mounting holes (8) correspond to each other.

4. The anti-interference PLC controller according to claim 1, characterized in that, The top of the adjustment groove (9) is provided with an adjustment hole (10), and the top of the sleeve (11) is provided with a positioning hole (12). The shape and size of the positioning hole (12) are the same as the diameter of the adjustment hole (10).

5. The anti-interference PLC controller according to claim 1, characterized in that, The shape and size of the movable block (14) are matched with the shape and size of the sleeve (11), and the movable block (14) is slidably connected to the inner wall of the sleeve (11).

6. The anti-interference PLC controller according to claim 1, characterized in that, The diameter of the movable groove (15) is larger than the diameter of the positioning block (17), and the positioning block (17) is slidably connected to the inner wall of the movable groove (15).

7. The anti-interference PLC controller according to claim 1, characterized in that, The sleeve (11) has two adjustment holes (13) on both sides. The shape and size of the adjustment holes (13) match the shape and size of the positioning block (17). The positioning block (17) is movably connected to the corresponding adjustment hole (13) under the action of the positioning spring (16).

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