A high-voltage switch cabinet temperature on-line monitoring device
By integrating thermal imagers and temperature sensors into high-voltage switchgear, combined with servo motors and micro motors, real-time temperature monitoring and automatic adjustment of the high-voltage switchgear are achieved, solving the problem of low efficiency in traditional periodic inspections and improving the safety and stability of the equipment.
Patent Information
- Application Number
- CN202521204588.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-06-12
- Publication Date
- 2026-08-25
- Estimated Expiration
- 2035-06-12
AI Technical Summary
Traditional high-voltage switchgear temperature monitoring relies on periodic inspections, which is inefficient and cannot achieve real-time monitoring. This makes it difficult to detect abnormal temperatures in a timely manner, posing safety hazards.
A high-voltage switchgear temperature online monitoring device was designed, which uses a combination of thermal imager and temperature sensor, combined with servo motor and micro motor, to realize real-time temperature monitoring and automatic adjustment, including fan cooling and heating functions, and timely detection and handling of temperature anomalies.
It enables real-time temperature monitoring and automatic adjustment of the switchgear, timely detection of abnormalities, improved safety and stability of equipment operation, and prevention of accidents.
Smart Images
Figure CN224683703U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a switchgear monitoring technical field, concretely is a high voltage switchgear temperature on -line monitoring device. BACKGROUND
[0002] The high voltage switchgear plays an important role in the power system, and its temperature state is directly related to the safe operation and reliability of the equipment. However, the traditional high voltage switchgear has obvious deficiencies in temperature monitoring.
[0003] At present, most high voltage switchgears mainly rely on regular inspection, and manual temperature detection is carried out by using a handheld infrared thermometer. This way not only is inefficient, but also cannot realize real-time monitoring, and cannot timely find temperature abnormal conditions during equipment operation. Once the internal temperature of the switchgear is too high, it may cause insulation aging, contact burning, even short circuit explosion and other serious accidents, which brings great hidden troubles to the safe and stable operation of the power system.
[0004] Therefore, the utility model provides a high voltage switchgear temperature on -line monitoring device. UTILITY MODEL CONTENTS
[0005] The utility model discloses a kind of high voltage switchgear temperature on -line monitoring devices, to solve the problems raised in the above background technology. To achieve the above purpose, the utility model provides the following technical scheme: a kind of high voltage switchgear temperature on -line monitoring device, including cabinet, the inside of cabinet is divided into upper layer, middle layer and lower layer, the side of cabinet is equipped with fixed box, the inside of fixed box is equipped with screw rod, the outside of screw rod is equipped with sliding block, the side of sliding block is equipped with monitoring unit for real-time monitoring the temperature in cabinet.
[0006] Preferably, the monitoring unit includes a cover body located on the side of the sliding block, the end of the cover body is provided with a thermal imager, the inside of the cabinet is provided with a temperature sensor one, a temperature sensor two and a temperature sensor three, the temperature sensor one, the temperature sensor two and the temperature sensor three are located at the upper layer, the middle layer and the lower layer respectively, the bottom end of the screw rod is provided with a servo motor, the control system of the servo motor is electrically connected with the thermal imager, the temperature sensor one, the temperature sensor two and the temperature sensor three.
[0007] Preferably, the overall shape of the cover body is Y-shaped, the inside of the cover body is a hollow structure, the top of the cover body is provided with a gas connection pipe, the gas connection pipe is connected with an external gas supply device.
[0008] Preferably, the wall of the fixed box is provided with a plurality of ventilation openings, the wall of the cabinet is provided with a plurality of exhaust openings one and a plurality of exhaust openings two, the air discharged outward through the cover body is dispersed outward from the exhaust openings one and the exhaust openings two.
[0009] Preferably, the air outlet one is internally provided with a shutter, the shutter is internally provided with a fixed shaft, the fixed shaft is rotationally connected with the fuselage, and the end of the fixed shaft is provided with a micro motor.
[0010] Preferably, the inside of the cover is provided with a heating rod, and the heating rod is electrically connected with the control system of the micro motor.
[0011] The utility model at least has the following beneficial effects:
[0012] In the utility model, when the monitoring unit monitors that a layer appears high temperature abnormity, the external air supply equipment supplies air to the inside of the cover, the air body is dispersed to the upper and lower two directions through the special shape of the Y-shaped cover, and then the heat can be taken away from the upper and lower two parts of the machine simultaneously, the temperature is rapidly reduced until the normal level is reached, and the system also sends an alarm instruction to the communication equipment of the worker, reminding him of checking and repairing. Compared with the prior art, real-time monitoring can be realized, and the temperature abnormality can be found in time during the equipment operation and the worker is informed, so that the operation of the switch cabinet is more safe.
[0013] In addition, when the monitoring unit detects that the temperature in the cabinet body is too low, the micro motor will automatically drive the shutter to rotate to a state of completely shielding the air outlet one, and the control system of the micro motor will drive the heating rod to be electrified, so that the air body dispersed in the cover is heated, and is discharged outward only from the air outlet two after surrounding the equipment in the cabinet body, the equipment in the cabinet body is appropriately heated, the cabinet body is ensured to return to the normal operating temperature, the switch cabinet intelligently adjusts the temperature, and the operation is more stable and safe. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 It is a whole structure schematic view of the utility model;
[0015] Figure 2 It is a cabinet body structure sectional view in the utility model;
[0016] Figure 3 It is another angle structure schematic view of the cabinet body in the utility model;
[0017] Figure 4 It is the utility model Figure 3 A region structure enlarged view in the utility model.
[0018] In the drawing: 1-cabinet body; 2-fixed box; 3-screw rod; 4-sliding block; 5-monitoring unit; 6-cover; 7-thermal imager; 8-temperature sensor one; 9-temperature sensor two; 10-temperature sensor three; 11-servo motor; 12-air inlet pipe; 13-ventilation opening; 14-air outlet one; 15-air outlet two; 16-shutter; 17-fixed shaft; 18-micro motor; 19-heating rod. DETAILED DESCRIPTION
[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.
[0020] Please refer to Figures 1-4 The utility model provides a kind of technical scheme: a kind of high voltage switchgear temperature on-line monitoring device, comprising:
[0021] Cabinet 1 is divided into upper layer, middle layer and lower layer in its interior, the side surface of cabinet 1 is equipped with fixed box 2 and is fixedly connected with it, the inside of fixed box 2 is equipped with screw rod 3, the end of screw rod 3 is rotationally connected with fixed box 2, the outside of screw rod 3 is equipped with sliding block 4 and is threadedly connected with it, the side surface of sliding block 4 is equipped with monitoring unit 5 for real-time monitoring the temperature in cabinet 1.
[0022] Monitoring unit 5 includes cover 6 located in the side of sliding block 4, the side of cover 6 is fixedly connected with sliding block 4, the end of cover 6 is equipped with thermal imager 7 and is fixedly connected with it, the inside of cabinet 1 is equipped with temperature sensor one 8, temperature sensor two 9 and temperature sensor three 10 and is fixedly connected with it, temperature sensor one 8, temperature sensor two 9 and temperature sensor three 10 are located in upper layer, middle layer and lower layer respectively and are located in the central region in corresponding layer, so that the detected temperature is more accurate, the bottom end of screw rod 3 is equipped with servo motor 11, the rotating shaft of servo motor 11 is connected with screw rod 3 through coupling, the control system of servo motor 11 is electrically connected with thermal imager 7, temperature sensor one 8, temperature sensor two 9 and temperature sensor three 10, through the direct display of thermal imager 7, the area of temperature too high can be quickly locked, and then it is favorable to carry out accurate cooling response measures.
[0023] Further, the overall shape of cover 6 is Y-shaped, the inside of cover 6 is cavity structure, the top of cover 6 is equipped with gas connection pipe 12 and is mutually communicated with it, gas connection pipe 12 is mutually communicated with external gas supply equipment, the wall of fixed box 2 is equipped with multiple air vents 13, the wall of cabinet 1 is equipped with multiple air outlet one 14 and multiple air outlet two 15, air outlet one 14 and air outlet two 15 are divided into three groups, and are located in the side surface of upper layer, middle layer and lower layer respectively, to facilitate targeted heat dissipation for machines in different layers, the wind body discharged outward through cover 6 disperses outward from air outlet one 14 and air outlet two 15.
[0024] The inside of the air outlet one 14 is provided with a shutter 16, the inside of the shutter 16 is provided with a fixed shaft 17 and is fixedly connected with the fixed shaft 17, the fixed shaft 17 is rotationally connected with the machine body, the end of the fixed shaft 17 is provided with a micro motor 18, the fixed shaft 17 is connected with the rotating shaft of the micro motor 18 through a shaft coupling, the inside of the cover body 6 is provided with a heating rod 19 and is fixedly connected with the heating rod 19, the heating rod 19 is electrically connected with the control system of the micro motor 18; under normal temperature, the micro motor 18 will drive the shutter 16 to rotate to a state of 45 degrees with the air outlet one 14, to ensure that the cabinet 1 has a good ventilation environment.
[0025] Working principle:
[0026] Under normal working condition, the temperature sensor one 8, the temperature sensor two 9 and the temperature sensor three 10 will monitor the temperature of each machine in the three layers of the cabinet 1, at the same time, the servo motor 11 will rotate forward and reverse at a time according to the preset time, to drive the screw rod 3 to drive the sliding block 4 to move up and down reciprocatingly, and the thermal imaging function of the side of the cover body 6 is used to monitor the temperature of different levels in the cabinet 1 in more detail.
[0027] When the thermal imager moves to a high temperature area, the servo motor 11 will stop rotating, and at the same time, the temperature displayed by the temperature sensor in the corresponding area will be confirmed through the system, when the display temperature of the thermal imager and the temperature sensor both appear high temperature abnormity, the external air supply equipment will supply air from the air inlet pipe 12 to the inside of the cover body 6, to make the air body diffuse to the upper and lower directions through the special Y-shaped shape of the cover body 6, and the two parts of the air body will be discharged to the outside from the air outlet one 14 and the air outlet two 15 respectively, to take away the heat from the upper and lower parts of the machine at the same time, to make the temperature decrease rapidly until to reach the normal level, at the same time, the system will send an alarm instruction to the communication equipment of the worker, to remind him to check and repair. Compared with the prior art, real-time monitoring can be realized, and the temperature abnormality can be found in time during the operation of the equipment and the worker is notified, to make the operation of the switch cabinet more safe.
[0028] In addition, when the thermal imager 7 and the temperature sensor detect that the temperature of the cabinet 1 is too low, the micro motor 18 will automatically drive the shutter 16 to rotate to a state of completely shielding the air outlet one 14, and at the same time, the control system of the micro motor 18 will drive the heating rod 19 to be electrified, to make the air body in the cover body 6 be heated, and to be discharged to the outside only from the air outlet two 15 after being surrounded by the equipment in the cabinet 1, to appropriately heat the equipment in the cabinet 1, to ensure that the cabinet 1 returns to the normal operating temperature, to make the switch cabinet intelligently adjust the temperature by itself, to make it run more stably and safely.
[0029] It is to be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.
[0030] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions, and alterations can be made therein without departing from the spirit and scope of the application, which is defined by the appended claims and their equivalents.
Claims
1. A high-voltage switchgear temperature online monitoring device, comprising a cabinet (1), characterized in that: The interior of the cabinet (1) is divided into an upper layer, a middle layer and a lower layer. A fixing box (2) is provided on the side of the cabinet (1). A screw (3) is provided inside the fixing box (2). A slider (4) is provided outside the screw (3). A monitoring unit (5) is provided on the side of the slider (4) to monitor the temperature inside the cabinet (1) in real time.
2. The online temperature monitoring device for high-voltage switchgear according to claim 1, characterized in that: The monitoring unit (5) includes a cover (6) located on the side of the slider (4). A thermal imager (7) is provided at the end of the cover (6). Temperature sensor 1 (8), temperature sensor 2 (9), and temperature sensor 3 (10) are provided inside the cabinet (1). Temperature sensor 1 (8), temperature sensor 2 (9), and temperature sensor 3 (10) are located on the upper, middle, and lower layers, respectively. A servo motor (11) is provided at the bottom of the screw (3). The control system of the servo motor (11) is electrically connected to the thermal imager (7), temperature sensor 1 (8), temperature sensor 2 (9), and temperature sensor 3 (10).
3. The online temperature monitoring device for high-voltage switchgear according to claim 2, characterized in that: The overall shape of the cover (6) is Y-shaped. The interior of the cover (6) is a cavity structure. An air inlet pipe (12) is provided on the top of the cover (6), and the air inlet pipe (12) is connected to the external air supply equipment.
4. The online temperature monitoring device for high-voltage switchgear according to claim 3, characterized in that: The wall of the fixed box (2) is provided with multiple ventilation openings (13), and the wall of the cabinet (1) is provided with multiple exhaust vents (14) and multiple exhaust vents (15). The air discharged outward through the cover (6) is dispersed outward from the exhaust vents (14) and exhaust vents (15).
5. The online temperature monitoring device for high-voltage switchgear according to claim 4, characterized in that: The exhaust port (14) is equipped with a baffle (16), and the baffle (16) is equipped with a fixed shaft (17). The fixed shaft (17) is rotatably connected to the machine body, and the end of the fixed shaft (17) is equipped with a micro motor (18).
6. The online temperature monitoring device for high-voltage switchgear according to claim 5, characterized in that: The inside of the cover (6) is equipped with a heating rod (19), which is electrically connected to the control system of the micro motor (18).