Internal environment monitoring device of switch cabinet

By installing limit rods, mounting plates, moving blocks, extension rods, and adjustment mechanisms inside the switch cabinet, multi-directional adjustment of the infrared sensor is achieved, solving the problem of incomplete monitoring positions in existing technologies and improving the applicability and accuracy of temperature monitoring inside the switch cabinet.

CN224175954UActive Publication Date: 2026-04-28HUADIAN POWER INTERNATIONAL CORPORATION LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
HUADIAN POWER INTERNATIONAL CORPORATION LTD
Filing Date
2025-05-26
Publication Date
2026-04-28

AI Technical Summary

Technical Problem

The infrared sensors of the existing switchgear internal temperature monitoring devices are scattered, have poor versatility, cannot be applied to distribution cabinets with different structures, and the monitoring locations are not comprehensive.

Method used

A monitoring device comprising a limit rod, a mounting plate, a moving block, an extension rod, an adjustment mechanism, and an infrared sensor is designed. The moving components and the adjustment mechanism enable the horizontal and vertical movement adjustment of the infrared sensor, thereby enhancing the monitoring range and density.

Benefits of technology

It enables comprehensive temperature monitoring of key components at internal wiring points of switchgear, improving the applicability and accuracy of monitoring, and is suitable for distribution cabinets with different structures.

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Abstract

The utility model discloses an internal environment monitoring device for a switch cabinet, which comprises a limiting rod, mounting plates fixedly connected to two ends of the limiting rod, a moving block, a moving assembly, an extension rod, an adjusting mechanism and an infrared sensor, the middle of each mounting plate is provided with a positioning hole, and the moving assembly is rotatably connected between the symmetrical mounting plates. The moving block is slidably arranged on the outer wall of the limiting rod and is movably adjusted in the length direction of the limiting rod through the moving assembly, the extension rod is fixedly connected to the bottom wall of the moving block, the adjusting mechanism is movably connected between the moving block and the extension rod, and the infrared sensor is movably connected to one side of the extension rod through the adjusting mechanism. The utility model belongs to the technical field of temperature monitoring devices, and particularly relates to a device for monitoring the internal environment of a switch cabinet, which is used for expanding monitoring at the internal wiring position of the switch cabinet, enhancing the monitoring effect of an infrared sensor and improving the temperature monitoring applicability of the device.
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Description

Technical Field

[0001] This utility model belongs to the technical field of temperature monitoring devices, and particularly relates to a device for monitoring the internal environment of switchgear. Background Technology

[0002] Internal environment monitoring of switchgear is used to monitor the internal operating environment of switchgear in real time. It is mainly used to prevent equipment failure, insulation aging or short circuit caused by abnormal environment, and to ensure the safe and stable operation of power system. This includes temperature, humidity and discharge monitoring.

[0003] Existing switchgear internal environment monitoring devices for temperature monitoring are fixed to the top or side wall brackets inside the cabinet by drilling holes. They are used to monitor the temperature of critical parts such as busbar connection points, circuit breaker contacts, and cable joints inside the cabinet. However, the infrared sensors are scattered during the monitoring process, resulting in poor versatility. They are not suitable for distribution cabinets with different internal structures, and the monitoring locations are not comprehensive. Utility Model Content

[0004] The technical problem this invention aims to solve is to extend the monitoring of the wiring points inside the switch cabinet, enhance the monitoring effect of the infrared sensor, and improve the applicability of the device for temperature monitoring.

[0005] To solve the above-mentioned technical problems, the technical solution adopted by this utility model is as follows: An internal environment monitoring device for a switchgear includes a limit rod and mounting plates fixedly connected to both ends of the limit rod. A positioning hole is opened in the middle of the mounting plate. The device also includes a moving block, a moving assembly, an extension rod, an adjustment mechanism, and an infrared sensor. The moving assembly is rotatably connected between symmetrical mounting plates. The moving block is slidably disposed on the outer wall of the limit rod and is adjusted by the moving assembly along the length direction of the limit rod. The extension rod is fixedly connected to the bottom wall of the moving block. The adjustment mechanism is movably connected between the moving block and the extension rod. The infrared sensor is movably connected to one side of the extension rod through the adjustment mechanism.

[0006] Furthermore, the adjustment mechanism includes a drive assembly, a first connecting plate, a second connecting plate, and an adjustment plate. The drive assembly is fixedly connected to the bottom wall of the moving block and is arranged adjacent to the extension rod on the left and right. The first connecting plate is fixedly connected to the bottom of the extension rod, the second connecting plate is fixedly connected to the bottom of the drive assembly, and the adjustment plate is movably connected between the first connecting plate and the second connecting plate.

[0007] Furthermore, the adjustment plates are arranged symmetrically in the upper and lower parts, and the symmetrical adjustment plates are hinged to each other. The upper end of the upper adjustment plate is hinged to the side wall of the second connecting plate, and the bottom end of the lower adjustment plate is hinged to the side wall of the first connecting plate. The infrared sensor is fixedly installed on the front side of the adjustment plate.

[0008] Furthermore, a support spring is fixedly connected to the middle of the side wall of the extension rod near the adjustment plate, and the other end of the support spring extends horizontally to the hinge of the symmetrical adjustment plate.

[0009] Furthermore, the drive assembly includes a cylinder with its extension and retraction end facing downwards, and the extension and retraction end of the cylinder is fixedly connected to the upper wall of the connecting plate two.

[0010] Furthermore, the moving component includes a stud and a rotary motor. The stud passes through the moving block and is rotatably connected between symmetrical mounting plates, and is arranged parallel to the limiting rod. The stud is threadedly connected to the moving block. The rotary motor is mounted on the outer wall of one side of the mounting plate, and the output end of the rotary motor is fixedly connected to one end of the stud.

[0011] Furthermore, a wiring hole is provided in the middle of the movable block.

[0012] After adopting the above structure, the beneficial effects of this utility model are as follows: For temperature monitoring of key parts of the wiring points inside the switch cabinet, symmetrical mounting plates are supported on the opposite inner walls of the switch cabinet and fixed by positioning hole bolts. The moving component pushes the moving block to slide along the length direction of the limit rod, and the extension rod drives the infrared sensor to move horizontally, thereby expanding the monitoring range of the wiring position.

[0013] At the same time, the adjustment mechanism is used to fold the symmetrical and hinged adjustment plates, changing the vertical spacing of the horizontally arranged infrared sensors, increasing the density of infrared sensors, and further improving the monitoring quality. Attached Figure Description

[0014] The accompanying drawings are provided to further understand the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation thereof.

[0015] Figure 1 This is a schematic diagram of the overall structure of the switchgear internal environment monitoring device proposed in this utility model;

[0016] Figure 2 This is a schematic diagram of the drive assembly structure of the switchgear internal environment monitoring device proposed in this utility model;

[0017] Figure 3 This is a side view of the internal structure of the switch cabinet internal environment monitoring device proposed in this utility model;

[0018] Figure 4 This is a front view of the switch cabinet internal environment monitoring device proposed in this utility model.

[0019] In the attached diagram: 1. Limiting rod, 2. Mounting plate, 3. Positioning hole, 4. Moving block, 5. Moving assembly, 6. Extension rod, 7. Adjusting mechanism, 8. Infrared sensor, 9. Drive assembly, 10. Connecting plate one, 11. Connecting plate two, 12. Adjusting plate, 13. Support spring, 14. Stud, 15. Rotary motor, 16. Wiring hole, 17. Cylinder. Detailed Implementation

[0020] like Figure 1-4 As shown, the internal environmental monitoring device of the switchgear includes a limit rod 1 and mounting plates 2 fixedly connected to both ends of the limit rod 1. A positioning hole 3 is opened in the middle of the mounting plate 2. It also includes a moving block 4, a moving assembly 5, an extension rod 6, an adjusting mechanism 7, and an infrared sensor 8. The moving assembly 5 is rotatably connected between the symmetrical mounting plates 2. The moving block 4 is slidably disposed on the outer wall of the limit rod 1 and is adjusted by the moving assembly 5 along the length direction of the limit rod 1. The extension rod 6 is fixedly connected to the bottom wall of the moving block 4. The adjusting mechanism 7 is movably connected between the moving block 4 and the extension rod 6. The infrared sensor 8 is movably connected to one side of the extension rod 6 through the adjusting mechanism 7. A wiring hole 16 is opened in the middle of the moving block 4.

[0021] like Figure 1 and Figure 2 As shown, in order to improve the moving range of the infrared sensor 8 and realize the horizontal movement adjustment of the moving block 4, the moving component 5 includes a stud 14 and a rotary motor 15. The stud 14 passes through the moving block 4 and is rotatably connected between the symmetrical mounting plates 2, and is arranged parallel to the limiting rod 1. The stud 14 is threadedly connected to the moving block 4. The rotary motor 15 is installed on the outer wall of one side of the mounting plate 2. The output end of the rotary motor 15 is fixedly connected to one end of the stud 14, driving the rotary motor 15 to rotate in the forward direction, which in turn drives the stud 14 to rotate in the forward direction, so that the moving block 4 moves away from the rotary motor 15 under the limiting action of the limiting rod 1, and at the same time drives the extension rod 6 and the adjustment mechanism 7 to move synchronously.

[0022] like Figure 1-4As shown, to achieve the spacing adjustment of the infrared sensor 8, the adjustment mechanism 7 includes a drive assembly 9, a first connecting plate 10, a second connecting plate 11, and an adjustment plate 12. The drive assembly 9 is fixedly connected to the bottom wall of the moving block 4 and is arranged adjacent to the extension rod 6 on the left and right. The first connecting plate 10 is fixedly connected to the bottom of the extension rod 6, and the second connecting plate 11 is fixedly connected to the bottom of the drive assembly 9. The adjustment plate 12 is movably connected between the first connecting plate 10 and the second connecting plate 11. The distance between the first connecting plate 10 and the second connecting plate 11 is adjusted by the drive assembly 9, and the symmetrical adjustment plate 12 is adjusted from a vertical state to an inclined state. The adjustment plates 12 are arranged symmetrically up and down, and the symmetrical adjustment plates 12 are mutually... The upper adjustment plate 12 is hinged to the side wall of the connecting plate 11, and the lower adjustment plate 12 is hinged to the side wall of the connecting plate 10. The infrared sensor 8 is fixedly installed on the front side of the adjustment plate 12. The drive assembly 9 includes a cylinder 17, the telescopic end of the cylinder 17 is set downward, and the telescopic end of the cylinder 17 is fixedly connected to the upper wall of the connecting plate 11. When the telescopic end of the drive cylinder 17 extends, the connecting plate 11 moves downward, and the middle hinge position of the symmetrical adjustment plate 12 tilts away from the extension rod 6, so that an angle is formed between the upper and lower symmetrical adjustment plates 12. At the same time, the vertical spacing of the infrared sensor 8 on the front side of the adjustment plate 12 is reduced, increasing the vertical monitoring density.

[0023] A support spring 13 is fixedly connected to the middle of the side wall of the extension rod 6 near the adjustment plate 12. The other end of the support spring 13 extends horizontally to the hinge of the upper and lower symmetrical adjustment plates 12, which is used to support the side wall of the upper and lower symmetrical adjustment plates 12 and promote the symmetrical adjustment plates 12 to bend away from the extension rod 6.

[0024] In actual use, the operator installs the device on the upper wall of the switch cabinet, makes a hole on one side wall of the switch cabinet for the rotary motor 15 to pass through, and attaches the symmetrical mounting plate 2 to the opposite side wall of the switch cabinet and close to the side of the cabinet door so that the front of the infrared sensor 8 faces the inside of the switch cabinet. The bolt passes through the positioning hole 3 and is fixed to both sides of the cabinet.

[0025] In the initial state, the moving block 4 is located on one side of the distribution cabinet, close to the rotating motor 15, and the symmetrical adjustment plates 12 are in a vertical state, so that multiple infrared sensors 8 are evenly distributed along the height direction.

[0026] During testing, the drive rotary motor 15 rotates in the forward direction, which in turn drives the stud 14 to rotate in the forward direction. This causes the moving block 4 to move away from the rotary motor 15 under the limiting action of the limiting rod 1, while simultaneously driving the extension rod 6, the adjustment mechanism 7, and the infrared sensor 8 to move synchronously.

[0027] During the movement, infrared sensor 8 is used to monitor the temperature of key parts such as busbar connection points, circuit breaker contacts, and cable joints inside the cabinet. At the same time, the telescopic end of the drive cylinder 17 extends, the connecting plate 11 moves downward, and the middle hinge position of the symmetrical adjustment plate 12 tilts away from the extension rod 6, so that an angle is formed between the upper and lower symmetrical adjustment plates 12. At the same time, the vertical spacing of the infrared sensor 8 on the front side of the adjustment plate 12 is reduced, increasing the vertical monitoring density. When the infrared sensor 8 moves horizontally inside the cabinet, the monitoring effect is enhanced.

[0028] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions, and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents. In conclusion, if those skilled in the art, inspired by this description, design similar structural methods and embodiments without departing from the inventive spirit of the present invention, such designs should fall within the protection scope of the present invention.

Claims

1. A switchgear internal environment monitoring device, comprising a limit rod (1) and a mounting plate (2) fixedly connected to both ends of the limit rod (1), wherein a positioning hole (3) is provided in the middle of the mounting plate (2), characterized in that: It also includes a moving block (4), a moving component (5), an extension rod (6), an adjustment mechanism (7), and an infrared sensor (8). The moving component (5) is rotatably connected between symmetrical mounting plates (2). The moving block (4) is slidably disposed on the outer wall of the limiting rod (1) and is adjusted by moving the moving component (5) along the length direction of the limiting rod (1). The extension rod (6) is fixedly connected to the bottom wall of the moving block (4). The adjustment mechanism (7) is movably connected between the moving block (4) and the extension rod (6). The infrared sensor (8) is movably connected to one side of the extension rod (6) through the adjustment mechanism (7).

2. The switchgear internal environment monitoring device according to claim 1, characterized in that: The adjustment mechanism (7) includes a drive assembly (9), a first connecting plate (10), a second connecting plate (11), and an adjustment plate (12). The drive assembly (9) is fixedly connected to the bottom wall of the moving block (4) and is arranged adjacent to the extension rod (6) on the left and right. The first connecting plate (10) is fixedly connected to the bottom of the extension rod (6). The second connecting plate (11) is fixedly connected to the bottom of the drive assembly (9). The adjustment plate (12) is movably connected between the first connecting plate (10) and the second connecting plate (11).

3. The switchgear internal environment monitoring device according to claim 2, characterized in that: The adjustment plates (12) are arranged symmetrically in the upper and lower parts, and the symmetrical adjustment plates (12) are hinged to each other. The upper end of the upper adjustment plate (12) is hinged to the side wall of the connecting plate two (11), and the bottom end of the lower adjustment plate (12) is hinged to the side wall of the connecting plate one (10). The infrared sensor (8) is fixedly installed on the front side of the adjustment plate (12).

4. The switchgear internal environment monitoring device according to claim 3, characterized in that: A support spring (13) is fixedly connected to the middle of the side wall of the extension rod (6) near the adjustment plate (12), and the other end of the support spring (13) extends horizontally to the hinge of the symmetrical adjustment plate (12).

5. The switchgear internal environment monitoring device according to claim 2, characterized in that: The drive assembly (9) includes a cylinder (17), the telescopic end of the cylinder (17) is arranged downward, and the telescopic end of the cylinder (17) is fixedly connected to the upper wall of the connecting plate (11).

6. The switchgear internal environment monitoring device according to claim 1, characterized in that: The moving component (5) includes a stud (14) and a rotary motor (15). The stud (14) passes through the moving block (4) and is rotatably connected between symmetrical mounting plates (2), and is arranged parallel to the limiting rod (1). The stud (14) is threadedly connected to the moving block (4). The rotary motor (15) is installed on the outer wall of one side of the mounting plate (2), and the output end of the rotary motor (15) is fixedly connected to one end of the stud (14).

7. The switchgear internal environment monitoring device according to claim 6, characterized in that: A wiring hole (16) is opened in the middle of the moving block (4).