Power distribution cabinet state detection device

Abstract

The utility model provides a state detection device for a power distribution cabinet, and belongs to the technical field of electrical engineering. According to the structure, a high-frequency current transformer, an ultrasonic sensor, an ultrahigh-frequency sensor and a signal amplifier are arranged on a main PCB, the ultrasonic sensor is electrically connected with the high-frequency current transformer and the ultrahigh-frequency sensor in sequence, the ultrahigh-frequency sensor is electrically connected with the signal amplifier, a main inserting rod and a main mounting plate are arranged on the main PCB, and the signal amplifier is electrically connected with the main inserting rod. The main insertion rod is in insertion connection with the machine body, the main installation plate is fixedly connected with the machine body, the data exchange module comprises an auxiliary PCB, the auxiliary PCB is provided with a wifi module, a controller, a data line interface and a memory card slot, and the wifi module, the data line interface and the memory card slot are electrically connected with the controller. The power distribution cabinet partial discharge signal acquisition device has stronger acquisition capability for partial discharge signals of a power distribution cabinet, can be interconnected and intercommunicated with a remote control end in real time, and is compact in structure and stable and reliable in operation.

Description

TECHNICAL FIELD

[0001] The utility model relates to electrical engineering technical field, concretely is a kind of switchgear state detection device. BACKGROUND

[0002] Switchgear is a kind of electrical device for power distribution, control and protection. It receives the power of main distribution line, and distributes the power to each power device through branch circuit, and controls and adjusts the power by controlling the connection and disconnection of power supply, to ensure the normal operation of electrical equipment. Switchgear can also be provided with overvoltage, undervoltage, overcurrent protection device, once abnormal situation occurs, it will automatically disconnect the power supply, protect electrical equipment.

[0003] The reason why the running state of switchgear needs to be detected is mainly because of the following reasons. Prevent accidents: by monitoring the running state of switchgear in real time, abnormal conditions can be found in time, and corresponding measures can be taken to deal with it, to avoid accidents. Improve power supply reliability: regular switchgear state detection can find and replace aging equipment in time, reduce the possibility of failure and improve the reliability of power supply. Reduce maintenance cost: through state detection, the maintenance and repair plan of equipment can be reasonably arranged, unnecessary downtime can be avoided, and maintenance cost can be reduced. Ensure the safety of equipment: power detection can help technicians monitor the state of equipment in real time, find problems early and take maintenance measures, so as to ensure the safe operation of equipment and avoid accidents. Optimize system efficiency: power detection provides data support for the optimized operation of power system. By monitoring voltage, current and power factor and other parameters, the running state of the system can be analyzed comprehensively, and the operation mode can be adjusted to improve efficiency.

[0004] ‌Switchgear state detection mainly includes manual inspection, online monitoring and regular test. Manual inspection is the appearance inspection and sensory judgment such as listening and hearing of switchgear. Online monitoring is to install sensors and monitoring system to monitor the running state of equipment in real time. Regular test is to test the performance of equipment to ensure that its performance meets the standard requirements. In the prior art, the collection ability of conventional detection device for switchgear state information is still relatively weak, and it cannot realize real-time data exchange with background monitoring system, so there is a certain lag in data collection and analysis. SUMMARY

[0005] The technical problem to be solved by the utility model is: how to design a switchgear state detection device with stronger information collection ability and capable of real-time data exchange with background monitoring system.

[0006] To achieve the above technical purpose, the utility model adopts the following technical scheme:

[0007] A power distribution cabinet status detection device includes a main body, a detection module, a data exchange module, and an image acquisition module. The detection module and data exchange module are respectively located on the left and right sides of the main body, and the image acquisition module is located on the front side of the main body. A control panel and a screen are respectively located on the top of the main body. The detection module includes a main PCB board, on which a high-frequency current transformer, an ultrasonic sensor, an ultra-high frequency sensor, and a signal amplifier are respectively arranged. The ultrasonic sensor is electrically connected to the high-frequency current transformer and the ultra-high frequency sensor in sequence, and the ultra-high frequency sensor is electrically connected to the signal amplifier. A main insertion rod and a main... The mounting plate and main plug are inserted into the main body, and the main mounting plate is fixedly connected to the main body. The data exchange module includes a secondary PCB board, on which a Wi-Fi module, controller, data cable interface, and memory card slot are respectively provided. The Wi-Fi module, data cable interface, and memory card slot are electrically connected to the controller. The secondary PCB board also has a secondary plug and a secondary mounting plate. The secondary plug is inserted into the main body, and the secondary mounting plate is fixedly connected to the main body. The image acquisition module includes a camera, and the camera lens is located on the front side of the main body. A DC power supply is built into the main body, which powers the detection module, data exchange module, and image acquisition module.

[0008] Preferably, a support frame is provided at the bottom of the machine body, the support frame including a shell that is snapped onto the outside of the machine body and an insulating pad located at the bottom.

[0009] Preferably, the screen is a touch screen, and a protective cover is provided on the front side of the lens.

[0010] Preferably, the memory card slot is a TF card slot, and an end cover is provided on the outside of the memory card slot.

[0011] Preferably, the body includes a base plate and a housing, the base plate and the housing being fastened together, and a DC power supply being fixedly mounted on the base plate.

[0012] Preferably, the DC power source is a battery, and a battery slot is provided on the base plate.

[0013] In the above technical solution, the main body is the core structure of the detection device. The detection module is used to detect partial discharge phenomena, the data exchange module is used to realize remote data transmission, the image acquisition module is used to acquire on-site image information, and the control panel and screen are used to realize on-site human-machine interaction. In the construction of the detection module, a high-frequency current transformer is used to detect partial discharge signals from equipment such as cables; an ultrasonic sensor uses a non-invasive detection method to detect and locate partial discharge defects in high-voltage electrical equipment; and an ultra-high frequency sensor is used to detect high-frequency electromagnetic wave signals, suitable for partial discharge detection in switchgear. The signal amplifier has a signal amplification circuit, and the main mounting bracket and main mounting plate are used to install and fix the main PCB board to the main body. In the construction of the data exchange module, a Wi-Fi module is used to realize remote data transmission, a data cable interface and a memory card slot can be used to realize local data export and data storage, the controller can use an ESP32 microcontroller, and the auxiliary mounting bracket and auxiliary mounting plate are used to install and fix the auxiliary PCB board to the main body.

[0014] This invention provides a power distribution cabinet status detection device. This technical solution has a stronger ability to acquire partial discharge signals from the power distribution cabinet, and can interconnect with a remote control terminal in real time. It has a compact structure and is stable and reliable in operation. Attached Figure Description

[0015] Fig. 1 This is the first overall drawing of this utility model;

[0016] Fig. 2 This is the second overall drawing of this utility model;

[0017] Fig. 3 This is a structural diagram of the detection module in this utility model;

[0018] Fig. 4 This is a diagram of the internal structure of this utility model;

[0019] In the picture:

[0020] Detailed Implementation

[0021] The specific embodiments of this utility model will be described in detail below. To avoid excessive and unnecessary details, well-known structures or functions will not be described in detail in the following embodiments. The approximate language used in the following embodiments can be used for quantitative descriptions, indicating that a certain degree of variation in quantity is permissible without changing the basic function. Unless otherwise defined, the technical and scientific terms used in the following embodiments have the same meaning as commonly understood by those skilled in the art to which this utility model pertains.

[0022] Example 1

[0023] A power distribution cabinet status detection device, such as Figs. 1-4 As shown, the device includes a body 1, a detection module 2, a data exchange module 3, and an image acquisition module 4. The detection module 2 and data exchange module 3 are located on the left and right sides of the body 1, respectively. The image acquisition module 4 is located on the front of the body 1. A control panel 22 and a screen 23 are located on the top of the body 1. The detection module 2 includes a main PCB board 5. A high-frequency current transformer 6, an ultrasonic sensor 7, an ultra-high frequency sensor 8, and a signal amplifier 9 are mounted on the main PCB board 5. The ultrasonic sensor 7 is electrically connected to the high-frequency current transformer 6 and the ultra-high frequency sensor 8 in sequence. The ultra-high frequency sensor 8 is electrically connected to the signal amplifier 9. A main insertion rod 10 and a main mounting plate 11 are also located on the main PCB board 5. The main insertion rod 10 is inserted into the body 1. The main mounting plate 11 is fixedly connected to the body 1. The data exchange module 3 includes a secondary PCB board 13, on which a Wi-Fi module 14, a controller 15, a data cable interface 16, and a memory card slot 17 are respectively provided. The Wi-Fi module 14, the data cable interface 16, and the memory card slot 17 are electrically connected to the controller 15. The secondary PCB board 13 is provided with a secondary plug 18 and a secondary mounting plate 19. The secondary plug 18 is plugged into the body 1, and the secondary mounting plate 19 is fixedly connected to the body 1. The image acquisition module 4 includes a camera 20. The lens 21 of the camera 20 is located on the front side of the body 1. A DC power supply 12 is built into the body 1, which supplies power to the detection module 2, the data exchange module 3, and the image acquisition module 4.

[0024] In the above technical solution, the main body 1 is the main structure of the detection device, the detection module 2 is used to detect partial discharge phenomena, the data exchange module 3 is used to realize remote data transmission, the image acquisition module 4 is used to acquire on-site image information, and the control panel 22 and screen 23 are used to realize on-site human-computer interaction. In the construction of the detection module 2, the high-frequency current transformer 6 is used to detect partial discharge signals of equipment such as cables, the ultrasonic sensor 7 adopts a non-invasive detection method to detect and locate partial discharge defects in high-voltage electrical equipment, and the ultra-high frequency sensor 8 is used to detect high-frequency electromagnetic wave signals, suitable for partial discharge detection of switchgear. The signal amplifier 9 is equipped with a signal amplification circuit, and the main plug 10 and the main mounting plate 11 are used to realize the installation and fixation of the main PCB board 5 and the main body 1. In the construction of the data exchange module 3, the Wi-Fi module 14 is used to realize remote data transmission, the data cable interface 16 and the memory card slot 17 can be used to realize local data export and data storage, the controller 15 can adopt an ESP32 microcontroller, and the auxiliary plug 18 and the auxiliary mounting plate 19 are used to realize the installation and fixation of the auxiliary PCB board 13 and the main body 1.

[0025] Example 2

[0026] A power distribution cabinet status detection device, such as Figs. 1-4As shown, the device includes a body 1, a detection module 2, a data exchange module 3, and an image acquisition module 4. The detection module 2 and data exchange module 3 are located on the left and right sides of the body 1, respectively. The image acquisition module 4 is located on the front of the body 1. A control panel 22 and a screen 23 are located on the top of the body 1. The detection module 2 includes a main PCB board 5. A high-frequency current transformer 6, an ultrasonic sensor 7, an ultra-high frequency sensor 8, and a signal amplifier 9 are mounted on the main PCB board 5. The ultrasonic sensor 7 is electrically connected to the high-frequency current transformer 6 and the ultra-high frequency sensor 8 in sequence. The ultra-high frequency sensor 8 is electrically connected to the signal amplifier 9. A main insertion rod 10 and a main mounting plate 11 are also located on the main PCB board 5. The main insertion rod 10 is inserted into the body 1. The main mounting plate 11 is fixedly connected to the body 1. The data exchange module 3 includes a secondary PCB board 13, on which a Wi-Fi module 14, a controller 15, a data cable interface 16, and a memory card slot 17 are respectively provided. The Wi-Fi module 14, data cable interface 16, and memory card slot 17 are electrically connected to the controller 15. A secondary insertion rod 18 and a secondary mounting plate 19 are respectively provided on the secondary PCB board 13. The secondary insertion rod 18 is inserted into the body 1, and the secondary mounting plate 19 is fixedly connected to the body 1. The image acquisition module 4 includes a camera 20, with the lens 21 of the camera 20 located on the front side of the body 1. A DC power supply 12 is built into the body 1, providing power to the detection module 2, the data exchange module 3, and the image acquisition module 4. A support frame is provided at the bottom of the body 1, which includes a shell that is clipped onto the outside of the body 1 and an insulating pad located at the bottom. The screen 23 is a touch screen, and a protective cover is provided on the front side of the lens 21. The memory card slot 17 is a TF card slot, and an end cover is provided on the outside of the memory card slot 17. The main body 1 includes a base plate and a housing, which are fastened together. The DC power supply 12 is fixedly mounted on the base plate. The DC power supply 12 is a battery, and a battery slot is provided on the base plate.

[0027] The embodiments of this utility model have been described in detail above, but the content described is only a preferred embodiment of this utility model and is not intended to limit this utility model. Any modifications, equivalent substitutions, and improvements made within the scope of this utility model application should be included within the protection scope of this utility model.

Claims

1. A power distribution cabinet status detection device, characterized in that... The system includes a body (1), a detection module (2), a data exchange module (3), and an image acquisition module (4). The detection module (2) and the data exchange module (3) are respectively located on the left and right sides of the body (1), and the image acquisition module (4) is located on the front side of the body (1). The control panel (22) and the screen (23) are respectively located on the top of the body (1). The detection module (2) includes a main PCB board (5). A high-frequency current transformer (6), an ultrasonic sensor (7), an ultra-high frequency sensor (8), and a signal amplifier (9) are respectively located on the main PCB board (5). The ultrasonic sensor (7) is electrically connected to the high-frequency current transformer (6) and the ultra-high frequency sensor (8) in sequence, and the ultra-high frequency sensor (8) is electrically connected to the signal amplifier (9). A main plug (10) and a main mounting plate (11) are respectively located on the main PCB board (5). The main plug (10) is plugged into the body (1), and the main mounting plate is connected to the main mounting plate. (11) Fixedly connected to the body (1), the data exchange module (3) includes a sub PCB board (13), on which a wifi module (14), a controller (15), a data cable interface (16), and a memory card slot (17) are respectively provided. The wifi module (14), the data cable interface (16), and the memory card slot (17) are electrically connected to the controller (15). On the sub PCB board (13), a sub plug (18) and a sub mounting plate (19) are respectively provided. The sub plug (18) is plugged into the body (1), and the sub mounting plate (19) is fixedly connected to the body (1). The image acquisition module (4) includes a camera (20), the lens (21) of the camera (20) is located on the front side of the body (1), and a DC power supply (12) is built into the body (1). The DC power supply (12) supplies power to the detection module (2), the data exchange module (3), and the image acquisition module (4).

2. The distribution cabinet status detection device according to claim 1, characterized in that, A support frame is provided at the bottom of the body (1), the support frame including a shell that is snapped onto the outside of the body (1) and an insulating pad located at the bottom.

3. The distribution cabinet status detection device according to claim 1, characterized in that, The screen (23) is a touch screen, and a protective cover is provided on the front side of the lens (21).

4. The distribution cabinet status detection device according to claim 1, characterized in that, The memory card slot (17) is a TF card slot, and an end cover is provided on the outside of the memory card slot (17).

5. The distribution cabinet status detection device according to claim 1, characterized in that, The body (1) includes a base plate and a shell, the base plate and the shell are fastened to each other, and the DC power supply (12) is fixedly installed on the base plate.

6. The distribution cabinet status detection device according to claim 5, characterized in that, The DC power supply (12) is a battery, and a battery slot is provided on the base plate.

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