PLC control cabinet convenient to maintain

By designing mobile components and partition drive components in the PLC control cabinet, the problems of equipment damage and small internal space during rainy maintenance are solved, convenient maintenance operations and dust protection are achieved, and maintenance safety and efficiency are improved.

CN222321906UActive Publication Date: 2025-01-07SHANGHAI AUTOMATION FOR PUBLIC UTILITIES
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Patent Information

Application Number
CN202420618924.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-03-28
Publication Date
2025-01-07
Estimated Expiration
2034-03-28

AI Technical Summary

Technical Problem

The existing PLC control cabinet is prone to damage during rainy days, and the internal space is small and difficult to maintain, affecting the safety and efficiency of maintenance personnel.

Method used

A PLC control cabinet is designed for easy maintenance. By installing mobile components at the bottom, partitions and drive components inside, the partitions are allowed to move upward to expand the internal space and prevent dust from entering through the filter components.

Benefits of technology

Protect electrical equipment during rainy days to facilitate staff to enter the control cabinet for repairs, and move components to facilitate the adjustment of the device position and prevent dust pollution.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222321906U_ABST
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Abstract

The utility model discloses a PLC control cabinet convenient to maintain, and relates to the technical field of control cabinets. A moving assembly with a moving function is arranged at the bottom of the control cabinet, a cabinet door is arranged on the front side of the control cabinet, a partition plate is arranged in the center of the interior of the control cabinet and divides the interior of the control cabinet into two spaces with the same size, and fixing rods are fixedly connected to the four corners of the bottom of the partition plate. Limiting grooves are formed in the left side and the right side of the fixing rod. When the movable rod moves upwards, the limiting blocks are pushed to be expanded towards the left side and the right side respectively, the limiting blocks are limited in the fixing base through the movable shafts, the top ends of the limiting blocks are separated from the interior of the limiting grooves, a worker manually pushes the partition plate to move upwards, the fixing rod is separated from the interior of the fixing ring, and then the partition plate can be taken out of the control cabinet. And the internal space of the control cabinet is enlarged, so that a worker can conveniently enter the control cabinet, and the worker can conveniently maintain the interior of the control cabinet.
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Description

Technical Field

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

[0002] PLC control cabinet is a kind of equipment used for automatic control, mainly composed of programmable logic controller (PLC) and other controllers. PLC control cabinet is used to receive input signals, perform logical operations and generate output signals to control mechanical equipment and process. It has complete functions and compact structure, and can be combined according to the actual control scale. PLC control cabinet has protection functions such as overload, short circuit and phase loss protection, which can realize automatic control of single cabinet, and can also realize distributed control system composed of multiple cabinets through industrial Ethernet or industrial fieldbus network.

[0003] The existing publication number CN219874624U proposes a control cabinet that is easy to maintain. By arranging a multi-stage piston cylinder and a mounting plate, most of the electrical equipment is pushed out of the casing to avoid workers being affected by the small space inside the control cabinet when performing maintenance inside the control cabinet. The control cabinet is convenient for workers to maintain inside the control cabinet. However, the control cabinet is generally placed outdoors. Once it rains outside, the electrical equipment will be damaged and the maintenance personnel will also be in danger.

[0004] Therefore, a PLC control cabinet which is easy to maintain is proposed. Utility Model Content

[0005] The utility model aims to solve the problem that electrical equipment may be damaged when a control cabinet is repaired on rainy days, and provides a PLC control cabinet which is easy to maintain.

[0006] In order to achieve the above-mentioned purpose, the utility model specifically adopts the following technical solutions:

[0007] A PLC control cabinet which is easy to maintain comprises a control cabinet, a moving component with a moving function is arranged at the bottom of the control cabinet, a cabinet door is arranged at the front side of the control cabinet, a partition is arranged at the inner center of the control cabinet, the partition divides the interior of the control cabinet into two spaces of the same size, the bottom four corners of the partition are fixedly connected with fixing rods, the left and right sides of the fixing rods are provided with limiting grooves, the left and right sides of the control cabinet are fixedly connected with fixing plates, the front and rear sides of the top of the fixing plate are fixedly connected with support rods arranged in a mirror image, fixing rings are fixedly connected between the support rods, the fixing rods are located inside the fixing rings, the top of the fixing plate is provided with a limiting block arranged in a mirror image, the top of the limiting block is located inside the limiting groove, the ends of the limiting blocks close to each other are all arranged in a semicircle, the bottom of the partition is provided with a driving component for pulling the limiting block downward, and the rear side of the control cabinet is provided with a filter component which is easy to disassemble.

[0008] Furthermore, the driving assembly includes a fixed seat fixedly connected to the top of the fixed plate, the limit blocks are respectively located on the left and right sides inside the fixed seat and the limit blocks are movably connected inside the fixed seat through a movable shaft, and a movable rod is movably connected inside one end of the limit blocks close to each other, and a second hydraulic rod is fixedly connected to the bottom of the fixed plate, and the output end of the second hydraulic rod passes through the fixed plate and is fixedly connected to the fixed seat and the bottom of the movable rod.

[0009] Furthermore, a vertical rotating shaft is fixedly connected to the left end of the front side of the control cabinet, a movable sleeve is movably connected to the outer wall surface of the rotating shaft, an output end of the movable sleeve is fixedly connected to the left side of the cabinet door, a control system is provided on the front side of the cabinet door, and a handle is fixedly connected to the front side of the cabinet door.

[0010] Furthermore, a positive pole magnet is fixedly connected to the rear side of the cabinet door, and a negative pole magnet is fixedly connected to the front side of the interior of the control cabinet.

[0011] Furthermore, the moving assembly includes through slots opened at four corners of the bottom of the control cabinet, the inner top ends of the through slots are fixedly connected to the first hydraulic rods, and the output ends of the first hydraulic rods are fixedly connected to the wheels.

[0012] Furthermore, the filter assembly includes a rectangular frame opened on the rear side of the control cabinet, a filter net is arranged inside the rectangular frame, rectangular grooves are opened on the left and right sides of the rectangular frame, and fixed blocks are fixedly connected to the left and right sides of the filter net. The fixed blocks are located inside the rectangular grooves, threaded holes are opened inside the fixed blocks, and screws are threadedly connected inside the threaded holes.

[0013] The beneficial effects of the utility model are as follows:

[0014] 1. When the staff of the utility model needs maintenance, the external controller is started, and the second hydraulic rod is started to drive the movable rod to move upward through the output end. When the movable rod moves upward, it pushes the limit blocks to expand to the left and right sides respectively. The limit blocks are limited to the inside of the fixed seat by the movable shaft. The top of the limit block is separated from the inside of the limit groove. The staff manually pushes the partition to move upward to make the fixed rod separate from the inside of the fixed ring, and the partition can be taken out of the inside of the control cabinet, so that the internal space of the control cabinet becomes larger, which is convenient for the staff to enter the inside of the control cabinet and to facilitate the staff to repair the inside. It also prevents damage to electrical equipment during maintenance on rainy days. The position of the device can be conveniently moved by the moving component, and dust can be prevented from entering the inside of the control cabinet by the filtering component. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0016] Figure 2 This is a schematic diagram of the interior of the control cabinet of the utility model;

[0017] Figure 3 It is a schematic diagram of the drive assembly of the utility model;

[0018] Figure 4 It is a schematic diagram of the filter assembly of the utility model;

[0019] 1. Control cabinet; 2. Moving assembly; 201. Through slot; 202. First hydraulic rod; 203. Wheel; 3. Cabinet door; 301. Rotating shaft; 302. Movable sleeve; 303. Control system; 304. Handle; 4. Positive magnet; 401. Negative magnet; 5. Partition; 501. Fixed rod; 502. Limiting slot; 503. Fixed plate; 504. Support rod; 505. Fixed ring; 506. Limiting block; 6. Driving assembly; 601. Fixed seat; 602. Movable shaft; 603. Movable rod; 604. Second hydraulic rod; 7. Filter assembly; 701. Rectangular frame; 702. Filter net; 703. Rectangular slot; 704. Fixed block; 705. Threaded hole; 706. Screw. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Generally, the components of the embodiment of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.

[0021] 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 present invention to be protected, 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 this field without creative work are within the scope of protection of the present invention.

[0022] It should be noted that similar reference numerals and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further defined and explained in the subsequent drawings. In addition, the terms "first", "second", etc. are only used to distinguish the description and cannot be understood as indicating or implying relative importance.

[0023] In the description of the embodiments of the present invention, it should be noted that the terms "inside", "outside", "upper", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings, or are directions or positional relationships in which the product of the present invention is usually placed when in use. These directions or positional relationships are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the present invention.

[0024] like Figures 1 to 4 As shown, a PLC control cabinet that is easy to maintain includes a control cabinet 1. The control cabinet 1 is a rectangular box with a hollow interior. A moving component 2 with a moving function is arranged at the bottom of the control cabinet 1. A cabinet door 3 is arranged at the front side of the control cabinet 1. A partition 5 is arranged at the center of the interior of the control cabinet 1. The partition 5 divides the interior of the control cabinet 1 into two spaces of the same size. The four corners of the bottom of the partition 5 are fixedly connected with fixing rods 501. The left and right sides of the fixing rods 501 are provided with limiting grooves 502. The left and right sides of the interior of the control cabinet 1 are fixedly connected with fixing plates 503. The front and rear sides of the top of the fixed plate 503 are fixedly connected with support rods 504 in a mirror-like arrangement, and a fixing ring 505 is fixedly connected between the support rods 504. The fixing rod 501 is located inside the fixing ring 505. The top of the fixed plate 503 is provided with a limit block 506 in a mirror-like arrangement. The top of the limit block 506 is located inside the limit groove 502. The ends of the limit blocks 506 that are close to each other are all semicircular. A driving component 6 for pulling the limit block 506 downward is provided at the bottom of the partition 5, and a filter component 7 for easy disassembly is provided on the rear side of the control cabinet 1.

[0025] It should be noted that when the staff needs maintenance, the driving component 6 drives the top of the limit block 506 to disengage from the interior of the limit groove 502, and the staff manually pushes the partition 5 upward to disengage the fixing rod 501 from the interior of the fixing ring 505, and then the partition 5 can be taken out of the interior of the control cabinet 1, so that the internal space of the control cabinet 1 becomes larger, which is convenient for the staff to enter the interior of the control cabinet 1 and to perform maintenance thereon, and also prevents damage to electrical equipment during maintenance on rainy days. The position of the device can be conveniently moved by the moving component 2, and dust can be prevented from entering the interior of the control cabinet 1 by the filtering component 7.

[0026] The driving assembly 6 includes a fixed seat 601 fixedly connected to the top of the fixed plate 503, the limit blocks 506 are respectively located on the left and right sides inside the fixed seat 601 and the limit blocks 506 are movably connected inside the fixed seat 601 through a movable shaft 602, and the movable rod 603 is movably connected inside the end of the limit blocks 506 that are close to each other, and the bottom of the fixed plate 503 is fixedly connected to a second hydraulic rod 604, and the output end of the second hydraulic rod 604 passes through the fixed plate 503 and is fixedly connected to the fixed seat 601 and the bottom of the movable rod 603.

[0027] It should be noted that when the staff needs to repair the electrical equipment inside the control cabinet 1, the external controller is started, and the second hydraulic rod 604 is started to drive the movable rod 603 to move upward through the output end. When the movable rod 603 moves upward, it pushes the limit block 506 to expand to the left and right sides respectively. The limit block 506 is limited to the inside of the fixed seat 601 by the movable shaft 602. The top of the limit block 506 is separated from the inside of the limit groove 502, and the fixed rod 501 can be taken out of the inside of the fixed ring 505, so that the partition 5 is separated from the inside of the control cabinet 1. When the electrical equipment is repaired, the fixed rod 501 is placed into the inside of the fixed ring 505, and the second hydraulic rod 604 drives the movable rod 603 to move downward. The movable rod 603 pulls the limit block 506 to move downward so that the top of the limit block 506 is located inside the limit groove 502, and the partition 5 can be fixed inside the control cabinet 1, so that the partition 5 is easy to disassemble inside the control cabinet 1.

[0028] A vertical rotating shaft 301 is fixedly connected to the left front end of the control cabinet 1, a movable sleeve 302 is movably connected to the outer wall of the rotating shaft 301, an output end of the movable sleeve 302 is fixedly connected to the left side of the cabinet door 3, a control system 303 is arranged on the front side of the cabinet door 3, a handle 304 is fixedly connected to the front side of the cabinet door 3, a positive magnet 4 is fixedly connected to the rear side of the cabinet door 3, and a negative magnet 401 is fixedly connected to the inner front side of the control cabinet 1.

[0029] It should be noted that the staff can rotate the cabinet door 3 180 degrees around the rotating shaft 301 by pulling the handle 304, so that the cabinet door 3 is separated from the front side of the control cabinet 1. When the cabinet door 3 is closed on the front side of the control cabinet 1, the cabinet door 3 is fixed to the front side of the control cabinet 1 through the mutual attraction between the positive magnet 4 and the negative magnet 401.

[0030] The moving assembly 2 includes through slots 201 opened at four corners of the bottom of the control cabinet 1 , the inner tops of the through slots 201 are fixedly connected to first hydraulic rods 202 , and the output ends of the first hydraulic rods 202 are fixedly connected to downward wheels 203 .

[0031] It should be noted that when the device needs to be moved, the first hydraulic rod 202 is started to drive the wheel 203 to move downward to the ground through the output end, and the device can be moved by the wheel 203. After arriving at the designated location, the first hydraulic rod 202 drives the wheel 203 to move toward the inside of the through groove 201 through the output end to prevent the device from deviating from the original position during operation.

[0032] The filter assembly 7 includes a rectangular frame 701 opened on the rear side of the control cabinet 1, a filter screen 702 is arranged inside the rectangular frame 701, rectangular grooves 703 are opened on the left and right sides of the rectangular frame 701, and the filter screen 702 is fixedly connected to the left and right sides with fixed blocks 704, the fixed blocks 704 are located inside the rectangular grooves 703, threaded holes 705 are opened inside the fixed blocks 704, and screws 706 are threadedly connected inside the threaded holes 705.

[0033] It should be noted that the filter 702 prevents dust from entering the interior of the control cabinet 1 and ventilates the interior of the control cabinet 1. The filter 702 can be detached from the interior of the rectangular frame 701 by rotating the screw 706 in the opposite direction to disengage it from the interior of the filter assembly 70 partition 5. At the same time, the interior of the filter 702 is cleaned to prevent dust from remaining in the filter 702.

[0034] In summary: when the staff needs maintenance, the driving component 6 drives the top of the limit block 506 to disengage from the interior of the limit groove 502, and the staff manually pushes the partition 5 upward to disengage the fixing rod 501 from the interior of the fixing ring 505, and then the partition 5 can be taken out of the interior of the control cabinet 1, so that the internal space of the control cabinet 1 becomes larger, which is convenient for the staff to enter the interior of the control cabinet 1 and to perform maintenance thereon, and also prevents damage to electrical equipment during maintenance on rainy days. The position of the device can be conveniently moved by the moving component 2, and dust can be prevented from entering the interior of the control cabinet 1 by the filtering component 7.

[0035] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and the specification only describe the principles of the utility model. The utility model may be subject to various changes and improvements without departing from the spirit and scope of the utility model. These changes and improvements fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A PLC control cabinet that is easy to maintain, characterized in that: The invention comprises a control cabinet (1), wherein a moving component (2) with a moving function is arranged at the bottom of the control cabinet (1), a cabinet door (3) is arranged at the front side of the control cabinet (1), a partition (5) is arranged at the center of the interior of the control cabinet (1), the partition (5) divides the interior of the control cabinet (1) into two spaces of the same size, the four corners of the bottom of the partition (5) are fixedly connected to fixed rods (501), the left and right sides of the fixed rods (501) are provided with limiting grooves (502), the left and right sides of the interior of the control cabinet (1) are fixedly connected to fixed plates (503), and the front and rear sides of the top of the fixed plates (503) are A mirror-image-arranged support rod (504) is fixedly connected thereto, a fixing ring (505) is fixedly connected between the support rods (504), the fixing rod (501) is located inside the fixing ring (505), a mirror-image-arranged limit block (506) is arranged on the top of the fixing plate (503), the top of the limit block (506) is located inside the limit groove (502), the ends of the limit blocks (506) close to each other are both arranged in a semicircular shape, a driving component (6) for pulling the limit block (506) downward is arranged at the bottom of the partition (5), and a filter component (7) for easy disassembly is arranged on the rear side of the control cabinet (1).

2. A PLC control cabinet that is easy to maintain according to claim 1, characterized in that: The driving assembly (6) comprises a fixed seat (601) fixedly connected to the top of the fixed plate (503); the limit blocks (506) are respectively located on the left and right sides of the fixed seat (601) and the limit blocks (506) are movably connected to the inside of the fixed seat (601) through a movable shaft (602); the ends of the limit blocks (506) close to each other are movably connected to a movable rod (603); the bottom of the fixed plate (503) is fixedly connected to a second hydraulic rod (604); the output end of the second hydraulic rod (604) passes through the fixed plate (503) and is fixedly connected to the fixed seat (601) and the bottom of the movable rod (603).

3. The PLC control cabinet easy to maintain according to claim 1 is characterized in that: A vertical rotating shaft (301) is fixedly connected to the left end of the front side of the control cabinet (1); a movable sleeve (302) is movably connected to the outer wall surface of the rotating shaft (301); an output end of the movable sleeve (302) is fixedly connected to the left side of the cabinet door (3); a control system (303) is arranged on the front side of the cabinet door (3); and a handle (304) is fixedly connected to the front side of the cabinet door (3).

4. A PLC control cabinet easy to maintain according to claim 3, characterized in that: The rear side of the cabinet door (3) is fixedly connected with a positive pole magnet (4), and the inner front side of the control cabinet (1) is fixedly connected with a negative pole magnet (401).

5. The PLC control cabinet easy to maintain according to claim 1 is characterized in that: The moving assembly (2) comprises through slots (201) formed at four corners of the bottom of the control cabinet (1), the inner tops of the through slots (201) are fixedly connected to first hydraulic rods (202), and the output ends of the first hydraulic rods (202) are fixedly connected to wheels (203).

6. The PLC control cabinet easy to maintain according to claim 1 is characterized in that: The filter assembly (7) comprises a rectangular frame (701) disposed on the rear side of the control cabinet (1); a filter screen (702) is disposed inside the rectangular frame (701); rectangular grooves (703) are disposed on the left and right sides of the rectangular frame (701); fixed blocks (704) are fixedly connected to the left and right sides of the filter screen (702); the fixed blocks (704) are located inside the rectangular grooves (703); threaded holes (705) are disposed inside the fixed blocks (704); and screws (706) are threadedly connected to the insides of the threaded holes (705).

Citation Information

Patent Citations

  • Control cabinet convenient to maintain

    CN219874624U