Protective device of controller

By designing a combined structure of the protective box and the box cover, the controller can be quickly disassembled and assembled and heat dissipated and cooled, solving the problem of inconvenient disassembly and assembly in the existing technology and improving maintenance convenience and service life.

CN223379411UActive Publication Date: 2025-09-23NANTONG LILIAN AUTOMATION TECH CO LTD
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Patent Information

Application Number
CN202422617049.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-29
Publication Date
2025-09-23
Estimated Expiration
2034-10-29

AI Technical Summary

Technical Problem

The existing controller protection device is not easy to disassemble and assemble quickly, which makes inspection and maintenance inconvenient.

Method used

A protective device is designed, including a protective box and a box cover. Through the combination of telescopic drive parts, limit rails, linkage seats and U-shaped clamp frames, the controller can be quickly disassembled and assembled. At the same time, heat collecting plates and heat conducting fins are used for heat dissipation and cooling to ensure the protective effect.

Benefits of technology

The controller can be quickly disassembled and maintained, which improves convenience, extends its service life, and maintains effective protection performance.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN223379411U_ABST
    Figure CN223379411U_ABST
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Abstract

The utility model discloses a protection device of a controller, which comprises a protection box body, a box cover arranged at the top end of the protection box body, a rectangular sealing strip arranged at the edge position of the top end of the protection box body, a controller body arranged at the bottom of the protection box body, and bases arranged at the bottom of the protection box body at two sides of the controller body, a limiting rail is arranged at the top end of the base, a linkage seat is slidably connected to one side of the top of the limiting rail, a positioning plate is arranged on the outer wall of the side, away from the controller body, of the base, a telescopic driving piece is installed on the outer wall of the positioning plate, and one end of the telescopic driving piece penetrates through the positioning plate and is connected with the outer wall of the linkage seat. A U-shaped clamping frame is installed at the end, away from the linkage base, of the connecting rod. According to the utility model, the controller body is easy to disassemble and assemble, so that the maintenance convenience of the controller body is improved, the service life of the controller body is prolonged, and the protection effect of the protection device on the controller body is ensured when the protection device is used.
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Description

Technical Field

[0001] The utility model relates to the technical field of electronic equipment protection, in particular to a protection device for a controller. Background Art

[0002] As a core component of various automation equipment and electronic systems, the stability and reliability of the controller directly affect the operating efficiency and safety of the entire system. However, in actual applications, controllers often face harsh environmental challenges, which may cause damage to the controller and affect its normal operation. Therefore, it is particularly important to design an efficient and reliable controller protection device.

[0003] Reference announcement number CN213462669U is a protective device for a PLC controller, which includes: a PLC controller body; an input terminal; an output terminal; a waterproof device, the waterproof device is used to prevent water from entering the interior of the input terminal, and multiple pairs of waterproof devices are fixedly installed on the surface of the input terminal; a dustproof device, the dustproof device is used to prevent dust in the surrounding environment from entering and exiting the interior of the output terminal, and multiple dustproof devices are fixedly installed on both sides of the surface of the output terminal. First, a water trough is fixedly installed between the isolation plate and the matching plate inside the waterproof device to prevent water stains from entering the input port. Damage to electrical components. At the same time, because the interior is a closed environmental isolation board and the matching board water storage tank can also prevent dust from entering. A first pressing block and a second pressing block are added inside the dust-proof device. When they interact with each other, the output wire will be stuck in the output port when working. When not working, the dust storage tank is conducive to blocking dust outside the PLC controller body, so that its internal components are intact. According to the above, although the protective device can be well applied, it is usually not convenient for quick disassembly and assembly of the controller body, and thus it is not easy to inspect and maintain the controller body. There are certain inconveniences and need to be improved. Utility Model Content

[0004] The purpose of the present invention is to provide a protective device for a controller to solve the problem that although the protective device proposed in the above background technology can be well applied, it is usually not convenient to quickly disassemble and assemble the controller body, and it is not easy to inspect and maintain the controller body, which causes certain inconveniences.

[0005] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: a protective device for a controller, comprising a protective box body, a box cover is installed at the top of the protective box body, a rectangular sealing strip is installed at the edge position of the top of the protective box body, a controller body is installed at the bottom of the protective box body, and a base is installed at the bottom of the protective box body on both sides of the controller body, a limiting rail is provided at the top of the base, and a linkage seat is slidably connected to one side of the top of the limiting rail, a positioning plate is provided on the outer wall of the base away from the controller body, a telescopic driving member is installed on the outer wall of the positioning plate, one end of the telescopic driving member passes through the positioning plate and is connected to the outer wall of the linkage seat, a connecting rod is provided at the top of the linkage seat, and a U-shaped clamp frame is installed at the end of the connecting rod away from the linkage seat, and the inner wall of the U-shaped clamp frame touches the outer wall of the controller body.

[0006] Preferably, both sides of the bottom end of the protective box are provided with anti-skid feet, and the two anti-skid feet are symmetrical about the center line of the protective box. The anti-skid feet are provided to prevent the protective box from slipping.

[0007] Preferably, pin holes are provided at the corner positions of the top of the protective box body, and pin shafts are provided at the corner positions of the bottom of the box cover. The pin shafts cooperate with the pin holes, and the box cover can be firmly installed on the top of the protective box body by inserting the pin shafts into the inside of the pin holes.

[0008] Preferably, a heat collecting plate is provided at the center of the top of the box cover, and the top of the heat collecting plate is provided with heat conducting fins at equal intervals, and the top of the heat conducting fins extends to the outside of the box cover. Through the arrangement of the heat collecting plate and the heat conducting fins, heat can be dissipated in a transfer manner to the interior of the protective box body and the box cover.

[0009] Preferably, threaded pins are installed on both sides of the bottom of the base, the bottom ends of the threaded pins pass through the base and are threadedly connected to the bottom of the protective box. The bottom ends of the threaded pins pass through the base and are screwed into the bottom of the protective box so that the base can be bolted to the bottom of the protective box.

[0010] Preferably, both sides of the interior of the positioning plate are movably connected with movable rods, one end of the movable rod extends to the outside of the positioning plate and is connected to the outer wall of the linkage seat, and the other end of the movable rod extends to the outside of the positioning plate and is provided with a hexagonal limit block. The setting of the hexagonal limit block can prevent the movable rod from detaching to the outside of the positioning plate.

[0011] Compared with the prior art, the beneficial effects of the present invention are: the protective device of the controller not only facilitates the disassembly and assembly of the controller body, thereby improving the convenience of maintenance of the controller body, but also extends the service life of the controller body, and ensures the protective effect of the protective device on the controller body when in use;

[0012] The telescopic driving member drives the linkage seat to slide on the top of the limit rail, so that the linkage seat drives the movable rod to slide inside the positioning plate, so that the linkage seat drives the U-shaped clamping frame to move smoothly horizontally via the connecting rod. The two U-shaped clamping frames can clamp the controller body and place it on the bottom of the protective box, or the U-shaped clamping frame can be moved away from the controller body for quick disassembly. Since the controller body is easy to disassemble and assemble, the convenience of maintaining the controller body is improved.

[0013] The heat energy inside the protective box and the box cover is absorbed by the heat collecting plate, and the heat conducting fins conduct the heat energy absorbed by the heat collecting plate to the external environment, so as to exchange heat and cool the inside of the protective box and the box cover, which can effectively reduce the phenomenon of the controller body being burned due to high temperature, thereby extending the service life of the controller body;

[0014] By inserting the pin shaft into the pin hole, the box cover can be firmly installed on the top of the protective box body, and the rectangular sealing strip can seal the contact position between the protective box body and the box cover, so that the protective box body and the box cover are combined to form a protective cavity to block and protect the controller body, thereby ensuring the protective effect of the controller body when the protective device is in use. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the front cross-sectional structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the structure of the base of the utility model from a top view;

[0017] Figure 3 This is a schematic diagram of the top view of the protective box body of the utility model;

[0018] Figure 4 This is a side view structural diagram of the heat conducting fin of the utility model;

[0019] Figure 5 This is a schematic diagram of the protective box body and box cover structure of the utility model.

[0020] In the figure: 1. Protective box body; 101. Anti-slip feet; 2. Box cover; 3. Controller body; 4. Base; 401. Threaded pin; 5. Linkage seat; 6. Connecting rod; 7. U-shaped clamp frame; 8. Telescopic drive member; 9. Heat collecting plate; 10. Heat conducting fin; 11. Positioning plate; 12. Movable rod; 1201. Hexagonal limit block; 13. Limit rail; 14. Rectangular sealing strip; 15. Pin hole; 16. Pin shaft. DETAILED DESCRIPTION

[0021] The following is a clear and complete description of the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0022] See also Figure 1-5 The present invention provides an embodiment of a controller protection device, comprising a protection box 1, wherein both sides of the bottom of the protection box 1 are provided with anti-slip feet 101, and the two anti-slip feet 101 are symmetrical about the center line of the protection box 1;

[0023] When in use, the anti-skid footrest 101 is provided to prevent the protective box 1 from skidding.

[0024] The top corners of the protective box body 1 are all provided with pin holes 15, and the bottom corners of the box cover 2 are all provided with pin shafts 16, and the pin shafts 16 cooperate with the pin holes 15;

[0025] When in use, the cover 2 is firmly mounted on the top of the protective box body 1 by inserting the pin shaft 16 into the pin hole 15;

[0026] A box cover 2 is installed on the top of the protective box body 1. A heat collecting plate 9 is provided at the center of the top of the box cover 2. The top of the heat collecting plate 9 is provided with heat conducting fins 10 with equal spacing. The top of the heat conducting fins 10 extends to the outside of the box cover 2.

[0027] When in use, the heat collecting plate 9 and the heat conducting fins 10 are arranged so as to conduct heat dissipation to the interior of the protective box 1 and the box cover 2;

[0028] A rectangular sealing strip 14 is installed at the edge of the top of the protective box 1. The controller body 3 is installed at the bottom of the protective box 1. Bases 4 are installed at the bottom of the protective box 1 on both sides of the controller body 3. Threaded pins 401 are installed on both sides of the bottom of the base 4. The bottom end of the threaded pin 401 passes through the base 4 and is threadedly connected to the bottom of the protective box 1.

[0029] When in use, the bottom end of the threaded pin 401 passes through the base 4 and is screwed into the bottom of the protective box 1, so that the base 4 is bolted to the bottom of the protective box 1;

[0030] A limiting rail 13 is provided at the top of the base 4, and one side of the top of the limiting rail 13 is slidably connected to the linkage seat 5. A positioning plate 11 is provided on the outer wall of the base 4 away from the controller body 3. Both sides of the interior of the positioning plate 11 are movably connected to a movable rod 12. One end of the movable rod 12 extends to the outside of the positioning plate 11 and is connected to the outer wall of the linkage seat 5. The other end of the movable rod 12 extends to the outside of the positioning plate 11 and is provided with a hexagonal limiting block 1201;

[0031] When in use, the hexagonal stopper 1201 is provided to prevent the movable rod 12 from being separated from the outside of the positioning plate 11;

[0032] A telescopic driving member 8 is installed on the outer wall of the positioning plate 11. One end of the telescopic driving member 8 passes through the positioning plate 11 and is connected to the outer wall of the linkage seat 5. A connecting rod 6 is provided at the top of the linkage seat 5. A U-shaped clamp frame 7 is installed at the end of the connecting rod 6 away from the linkage seat 5. The inner wall of the U-shaped clamp frame 7 touches the outer wall of the controller body 3.

[0033] When the embodiment of the present application is in use, the telescopic driving member 8 is first used to drive the linkage seat 5 to slide on the top of the limit rail 13, so that the linkage seat 5 drives the movable rod 12 to slide inside the positioning plate 11, so that the linkage seat 5 drives the U-shaped clamping frame 7 to move smoothly horizontally through the connecting rod 6. When the U-shaped clamping frame 7 is translated and fits the outer wall of the controller body 3, the two U-shaped clamping frames 7 can clamp the controller body 3 and place it on the bottom of the protective box 1 to reduce the displacement of the controller body 3 due to external force factors. If the controller body 3 needs to be maintained, the U-shaped clamping frame 7 can be translated away from the controller body 3, and the controller body 3 can be disassembled. Then, by inserting the pin shaft 16 into the pin hole 15, the box cover 2 can be firmly installed on the top of the protective box body 1, and the rectangular sealing strip 14 can seal the contact position between the protective box body 1 and the box cover 2, so that the protective box body 1 and the box cover 2 are combined to form a protective cavity to block and protect the controller body 3. Finally, the heat energy inside the protective box body 1 and the box cover 2 is absorbed by the heat collecting plate 9, and the heat energy absorbed by the heat collecting plate 9 is conducted to the external environment by the heat conducting fins 10, so as to exchange heat and cool the interior of the protective box body 1 and the box cover 2, thereby reducing the phenomenon of burning of the controller body 3 due to high temperature, thereby completing the use of the protective device.

Claims

1. A protective device for a controller, characterized in that: The invention comprises a protective box (1), wherein a box cover (2) is installed at the top of the protective box (1), a rectangular sealing strip (14) is installed at the edge position of the top of the protective box (1), a controller body (3) is installed at the bottom of the protective box (1), a base (4) is installed at the bottom of the protective box (1) on both sides of the controller body (3), a limit rail (13) is provided at the top of the base (4), a linkage seat (5) is slidably connected to one side of the top of the limit rail (13), a positioning plate (11) is provided on the outer wall of the base (4) away from the controller body (3), a telescopic driving member (8) is installed on the outer wall of the positioning plate (11), one end of the telescopic driving member (8) passes through the positioning plate (11) and is connected to the outer wall of the linkage seat (5), a connecting rod (6) is provided at the top of the linkage seat (5), a U-shaped clamping frame (7) is installed at the end of the connecting rod (6) away from the linkage seat (5), and the inner wall of the U-shaped clamping frame (7) touches the outer wall of the controller body (3).

2. A controller protection device according to claim 1, characterized in that: Anti-slip footrests (101) are provided on both sides of the bottom end of the protective box (1), and the two anti-slip footrests (101) are symmetrical about the center line of the protective box (1).

3. The controller protection device according to claim 1, characterized in that: The top corners of the protective box body (1) are all provided with pin holes (15), and the bottom corners of the box cover (2) are all provided with pin shafts (16), and the pin shafts (16) and the pin holes (15) cooperate with each other.

4. The controller protection device according to claim 1, characterized in that: A heat collecting plate (9) is provided at the center of the top of the box cover (2), and heat conducting fins (10) with equal spacing are provided at the top of the heat collecting plate (9), and the tops of the heat conducting fins (10) extend to the outside of the box cover (2).

5. The controller protection device according to claim 1, characterized in that: Threaded pins (401) are installed on both sides of the bottom of the base (4), and the bottom ends of the threaded pins (401) pass through the base (4) and are threadedly connected to the bottom of the protective box (1).

6. The protective device for a controller according to claim 1, characterized in that: Both sides of the interior of the positioning plate (11) are movably connected to movable rods (12), one end of the movable rod (12) extends to the outside of the positioning plate (11) and is connected to the outer wall of the linkage seat (5), and the other end of the movable rod (12) extends to the outside of the positioning plate (11) and is provided with a hexagonal limit block (1201).

Citation Information

Patent Citations

  • Protective device of PLC (Programmable Logic Controller)

    CN213462669U