An excitation system de-excitation cabinet internal environment monitoring system

By designing vertical and horizontal support structures and metal corrugated pipes, the problem of messy sensor cables inside the demagnetizing cabinet was solved, enabling reliable monitoring of multiple points and parameters, and improving the flexibility and safety of the monitoring system.

CN224593998UActive Publication Date: 2026-08-04CHINA THREE GORGES PROJECTS DEV CO LTD +1
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-09-09
Publication Date
2026-08-04

AI Technical Summary

Technical Problem

In existing methods for monitoring the internal environment of the excitation system demagnetization cabinet, the sensor connection cables are messy and disorganized, posing safety hazards, and it is difficult to achieve reliable monitoring of multiple points and parameters.

Method used

The system employs a vertical and horizontal support structure, combined with metal corrugated pipes and mounting branches, to enable flexible installation and position adjustment of the sensors. It connects to the controller via a wireless communication module and is equipped with an audible and visual alarm for real-time alerts, ensuring the reliability and safety of monitoring.

Benefits of technology

It enables multi-point, multi-parameter monitoring inside the demagnetizing cabinet, with adjustable sensor positions and angles, and neatly arranged cables, reducing safety hazards and improving the flexibility and reliability of monitoring.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a kind of excitation system de-excitation cabinet internal environment monitoring system, including vertical support, control box, two horizontal supports and multiple sensors.The excitation system de-excitation cabinet internal environment monitoring system utilizes the installation mode of horizontal support and installation branch, can increase or decrease the corresponding sensor according to the monitoring needs of de-excitation cabinet internal environment, and adjust the position of sensor, realize the multipoint multi-parameter monitoring in de-excitation cabinet, ensure the reliability of de-excitation operation;Each sensor is installed using metal bellows, so as to facilitate adjusting the position and monitoring angle of sensor, with good installation flexibility;Wiring is carried out using vertical support, horizontal support and metal bellows, so as to ensure the regularity of electrical connection cable.
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Description

Technical Field

[0001] This utility model relates to a monitoring system, and more particularly to a monitoring system for the internal environment of an excitation system demagnetization cabinet. Background Technology

[0002] The excitation cabinet, also known as the demagnetizing cabinet, is mainly used to install the power modules of large generators, ensuring the normal operation of the generator. Therefore, monitoring the internal environment of the demagnetizing cabinet is particularly important. Current monitoring methods involve binding and fixing environmental monitoring sensors inside the cabinet, but the connecting cables for these sensors are not properly organized, posing certain safety hazards. Therefore, it is necessary to design an internal environmental monitoring system for the excitation system's demagnetizing cabinet, capable of safely and reliably monitoring the internal environment of the cabinet at multiple points. Utility Model Content

[0003] Purpose of the utility model: To provide a monitoring system for the internal environment of the excitation system demagnetizing cabinet, which can safely and reliably monitor the internal environment of the demagnetizing cabinet at multiple points.

[0004] Technical Solution: The excitation system demagnetization cabinet internal environment monitoring system provided by this utility model includes a vertical support, a control box, two horizontal supports, and multiple sensors; both horizontal supports are vertically adjustable and mounted on the vertical support; multiple mounting branches are horizontally adjustable and mounted on both horizontal supports; a metal bellows is fixed on each mounting branch; each sensor is mounted on the end of each metal bellows; a controller, a memory, and a wireless communication module are provided in the control box; the memory, the wireless communication module, and each sensor are all electrically connected to the controller.

[0005] Furthermore, an audible and visual alarm is installed on the control box, which is electrically connected to the controller.

[0006] Furthermore, a flange for positioning and installation is fixed on the control box; a connecting pipe is fixed between the control box and the vertical support.

[0007] Furthermore, both the vertical support and the two horizontal supports adopt C-shaped groove rods; multiple adjustment slots are set at corresponding intervals on the vertical groove walls on both sides of the vertical support; the horizontal support is positioned and snapped onto the two corresponding adjustment slots; and the horizontal support is provided with a cable routing slot that communicates with the vertical support.

[0008] Furthermore, multiple T-shaped winding posts are fixed inside the vertical support.

[0009] Furthermore, the mounting branch includes a buckle seat, an unlocking block, a support spring, and two strip-shaped locking rods; locking holes are spaced apart on both groove walls of the transverse bracket; the two strip-shaped locking rods are telescopically mounted on the buckle seat; the support spring elastically supports and is fixedly connected to the inner ends of the two strip-shaped locking rods, and the outer ends of the two strip-shaped locking rods are respectively used to insert into the corresponding locking holes; the unlocking block is mounted on the buckle seat and is used to drive the two strip-shaped locking rods to disengage from the locking holes; a metal bellows is fixed on the buckle seat.

[0010] Furthermore, multiple short support columns that are supported on the bottom of the horizontal bracket groove are provided on the buckle seat.

[0011] Compared with the prior art, the advantages of this utility model are as follows: By utilizing the horizontal support and installation branches, appropriate sensors can be added or removed according to the monitoring needs of the internal environment of the demagnetizing cabinet, and the position of the sensors can be adjusted to achieve multi-point, multi-parameter monitoring inside the demagnetizing cabinet, ensuring the reliability of demagnetizing operation; the use of metal corrugated pipes to install each sensor facilitates adjustment of the sensor position and monitoring angle, providing good installation flexibility; and the use of vertical supports, horizontal supports, and metal corrugated pipes for wiring ensures the neatness of electrical connection cables. Attached Figure Description

[0012] Figure 1 This is the left view of the present invention;

[0013] Figure 2 This is the front view of the present invention;

[0014] Figure 3 This is a cross-sectional view of the installation branch of this utility model;

[0015] Figure 4 This is a cross-sectional view of the unlocking block of this utility model;

[0016] Figure 5 This is a schematic diagram of the circuit structure of this utility model;

[0017] In the diagram: 1. Vertical support; 2. Horizontal support; 3. Smoke sensor; 4. Buckle seat; 5. Adjustment slot; 6. Sound sensor; 7. Temperature and humidity sensor; 8. T-shaped winding post; 9. Wiring slot; 11. Unlocking block; 12. Positioning ear; 13. Control box; 14. Audible and visual alarm; 15. Connecting pipe; 16. Supporting short column; 17. Metal corrugated pipe; 18. U-shaped slot; 19. Isosceles trapezoidal groove; 20. Locking hole; 21. Strip locking rod; 22. Support compression spring; 23. Extrusion column; 24. Strip limiting groove; 25. Limiting slider; 26. Rectangular insertion hole. Detailed Implementation

[0018] The technical solution of this utility model will be described in detail below with reference to the accompanying drawings, but the protection scope of this utility model is not limited to the described embodiments.

[0019] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. For those skilled in the art, the specific meaning of the above terms in this utility model can be understood according to the specific circumstances.

[0020] In the description of this utility model, it should be understood that the terms "left", "right", "front", "back", "up", "down", "top", "bottom", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the purpose of simplifying the description of this utility model and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0021] Example 1:

[0022] like Figure 1-5 As shown, the excitation system demagnetizing cabinet internal environment monitoring system provided by this utility model includes: a vertical support 1, a control box 13, two horizontal supports 2, and multiple sensors; the vertical support is used for vertically fixing on the rear inner wall of the demagnetizing cabinet; the two horizontal supports 2 are both vertically adjustable and mounted on the vertical support 1; multiple mounting branches are horizontally adjustable and mounted on the two horizontal supports 2; a metal bellows 17 is fixed on each mounting branch; each sensor is respectively mounted on the end of each metal bellows 17; a controller, a memory, and a wireless communication module are provided in the control box 13; the memory, the wireless communication module, and each sensor are all electrically connected to the controller; each sensor is a smoke sensor 3, a sound sensor 6, a temperature and humidity sensor 7, etc.

[0023] By utilizing the horizontal bracket 2 and the installation branches, appropriate sensors can be added or removed according to the monitoring needs of the internal environment of the demagnetizing cabinet, and the position of the sensors can be adjusted to achieve multi-point and multi-parameter monitoring inside the demagnetizing cabinet, ensuring the reliability of demagnetizing operation. The sensors are installed using the metal corrugated pipe 17, which facilitates the adjustment of the sensor position and monitoring angle, providing good installation flexibility. The wiring is routed using the vertical bracket 1, the horizontal bracket 2, and the metal corrugated pipe 17, ensuring the neatness of the electrical connection cables.

[0024] Furthermore, an audible and visual alarm 14, electrically connected to the controller, is installed on the top of the control box 13. The audible and visual alarm 14, under the control of the controller, issues an alarm, facilitating timely detection by maintenance personnel.

[0025] Furthermore, a flange for positioning and mounting on the rear side of the demagnetizing cabinet is fixed to the control box 13; a connecting pipe 15 penetrating the rear side wall of the demagnetizing cabinet is fixed to the control box 13, and the end of the connecting pipe 15 is fixed to the vertical support 1. The connecting pipe 15 facilitates wiring between the control box 13 and the vertical support 1; the flange facilitates positioning and fixing of the control box 13.

[0026] Furthermore, both the vertical support 1 and the two horizontal supports 2 adopt C-shaped groove rods; multiple adjustment slots 5 are provided at intervals on both sides of the vertical groove wall of the vertical support 1, and the positions of the adjustment slots 5 on the two sides of the groove wall correspond; positioning holes are provided on the upper and lower sides of each adjustment slot 5; four positioning lugs 12 are provided on the horizontal support 2, and a positioning bolt is threaded through each positioning lug 12; the horizontal support 2 is snapped onto the two corresponding adjustment slots 5, and the ends of the positioning bolts on the four positioning lugs 12 pass through the corresponding positioning holes; a wiring groove 9 connected to the vertical support 1 is provided in the middle of both sides of the horizontal groove wall of the horizontal support 2.

[0027] The structure of the vertical bracket 1 and the horizontal bracket 2 facilitates the storage of cables. The cable routing slot 9 on the horizontal bracket 2 facilitates cable routing, making the cable routing neat and reducing safety hazards. The horizontal bracket 2 is secured by the adjustment slot 5, and the positioning bolts on the positioning lug 12 pass through the corresponding positioning holes, realizing the vertically adjustable installation of the horizontal bracket 2, which is convenient for adjusting the height position according to needs.

[0028] Furthermore, multiple T-shaped winding posts 8 are fixed on the bottom of the groove inside the vertical support 1. The T-shaped winding posts 8 facilitate the winding of excessively long cables.

[0029] Furthermore, the mounting branch includes a latch seat 4, an unlocking block 11, a support spring 22, and two strip-shaped locking rods 21;

[0030] Multiple locking holes 20 are spaced apart on both sides of the groove wall of the transverse bracket 2, and the positions of the locking holes 20 on the two sides of the groove wall correspond; the metal bellows 17 is fixed on the buckle seat 4; the buckle seat 4 is slidably installed in the transverse bracket 2; a rectangular insertion hole 26 is provided on one end face of the buckle seat 4; the inner ends of the two strip locking rods 21 slide through the two opposite side walls of the buckle seat 4 and extend into the rectangular insertion hole 26, and the outer ends are respectively used to be inserted into the two corresponding locking holes 20; the support spring 22 is connected, fixed and elastically supported on the inner ends of the two strip locking rods 21; a pressing post 23 is provided on the inner ends of the two strip locking rods 21; the unlocking block 11 has one The end is slidably inserted into the rectangular insertion hole 26; a strip-shaped limiting groove 24 is provided on the hole wall of the rectangular insertion hole 26; a limiting slider 25 is provided on the unlocking block 11 to slide in cooperation with the strip-shaped limiting groove 24; a U-shaped groove 18 is provided on the insertion end of the unlocking block 11; the inner ends of the two strip-shaped locking rods 21 are both located in the U-shaped groove 18; an isosceles trapezoidal groove 19 is provided on the groove wall of the U-shaped groove 18; the pressing posts 23 of the two strip-shaped locking rods 21 press against the two side groove walls of the isosceles trapezoidal groove 19 respectively; when the unlocking block 11 moves into the rectangular insertion hole 26, the side groove walls of the isosceles trapezoidal groove 19 cause the pressing posts 23 to drive the strip-shaped locking rods 21 to disengage from the locking hole 20.

[0031] Supported by a spring 22 between two strip-shaped locking rods 21, the outer ends of the two strip-shaped locking rods 21 are driven to insert into the corresponding locking holes 20, thereby locking the buckle seat 4. The isosceles trapezoidal groove 19 on the unlocking block 11 and the pressing post 23 cooperate to unlock the strip-shaped locking rods 21. When the unlocking block 11 moves into the rectangular insertion hole 26, the two side walls of the isosceles trapezoidal groove 19 push the pressing post 23 on the two strip-shaped locking rods 21, causing the pressing post 23 to drive the near end of the strip-shaped locking rods 21 closer together and the far end to disengage from the locking hole 20, thereby unlocking the buckle seat 4 and realizing the detachable installation of the buckle unit. The strip-shaped limiting groove 24 and the limiting slider 25 cooperate to slide and limit the unlocking block 11, while preventing the unlocking block 11 from falling off the rectangular insertion hole 26.

[0032] Furthermore, multiple short support columns 16 are provided on the buckle seat 4, which are supported on the bottom of the groove of the horizontal bracket 2.

[0033] The short support column 16 creates a gap between the buckle seat 4 and the bottom of the groove of the horizontal bracket 2, which facilitates the routing of the cables for the sound sensor 6 and the temperature and humidity sensor 7.

[0034] In the excitation system demagnetization cabinet internal environment monitoring system provided by this utility model, the controller adopts an existing single-chip microcomputer control module; the wireless communication module adopts an existing wireless communication module; the sensors adopt existing temperature and humidity sensors, smoke sensors, sound sensors, etc.; and the audible and visual alarm 14 adopts an existing audible and visual alarm.

[0035] As described above, although the present invention has been shown and described with reference to specific preferred embodiments, it should not be construed as limiting the present invention itself. Various changes in form and detail may be made to the present invention without departing from the spirit and scope of the appended claims.

Claims

1. A monitoring system for the internal environment of an excitation system demagnetization cabinet, characterized in that: It includes a vertical support (1), a control box (13), two horizontal supports (2) and multiple sensors; the two horizontal supports (2) are both vertically adjustable and mounted on the vertical support (1); multiple mounting branches are horizontally adjustable and mounted on the two horizontal supports (2); a metal bellows (17) is fixed on each mounting branch; each sensor is mounted on the end of each metal bellows (17); a controller, a memory and a wireless communication module are provided in the control box (13); the memory, the wireless communication module and each sensor are all electrically connected to the controller.

2. The internal environment monitoring system of the excitation system demagnetization cabinet according to claim 1, characterized in that: An audible and visual alarm (14) electrically connected to the controller is installed on the control box (13).

3. The internal environment monitoring system of the excitation system demagnetization cabinet according to claim 1, characterized in that: A flange for positioning and installation is fixed on the control box (13); a connecting pipe (15) is fixed between the control box (13) and the vertical bracket (1).

4. The internal environment monitoring system of the excitation system demagnetization cabinet according to claim 1, characterized in that: The vertical support (1) and the two horizontal supports (2) are both C-shaped groove rods; multiple adjustment slots (5) are provided at intervals on both sides of the vertical groove wall of the vertical support (1); the horizontal support (2) is positioned and snapped on the two adjustment slots (5) corresponding to the position; a wiring slot (9) connected to the vertical support (1) is provided on the horizontal support (2).

5. The internal environment monitoring system of the excitation system demagnetization cabinet according to claim 4, characterized in that: Multiple T-shaped winding posts (8) are fixed inside the vertical support (1).

6. The internal environment monitoring system of the excitation system demagnetization cabinet according to claim 4, characterized in that: The mounting branch includes a buckle seat (4), an unlocking block (11), a support spring (22), and two strip locking rods (21); locking holes (20) are provided at intervals on the two groove walls of the transverse bracket (2); the two strip locking rods (21) are telescopically mounted on the buckle seat (4); the support spring (22) elastically supports and is fixed to the inner ends of the two strip locking rods (21), and the outer ends of the two strip locking rods (21) are respectively used to be inserted into the corresponding locking holes (20); the unlocking block (11) is mounted on the buckle seat (4) and is used to drive the two strip locking rods (21) to disengage from the locking holes (20); the metal bellows (17) is fixed on the buckle seat (4).

7. The internal environment monitoring system of the excitation system demagnetization cabinet according to claim 6, characterized in that: Multiple short support columns (16) are provided on the buckle seat (4) and supported on the bottom of the groove of the horizontal bracket (2).