Novel GIS (Gas Insulated Switchgear) micro-water density on-line monitoring comprehensive device

Abstract

The utility model discloses a novel GIS micro-water density on-line monitoring integrated device, which relates to the technical field of GIS micro-water on-line monitoring, and comprises a processing unit and a monitoring terminal, the processing unit is electrically input and output with a monitoring module, and the processing unit is also electrically input and connected with a detection unit; safety monitoring is carried out through the monitoring module, monitoring data are sent to the processing unit to be analyzed and processed, the camera carries out real-time monitoring shooting on the GIS equipment, so that normal operation of the equipment is guaranteed, temperature monitoring is carried out on a connecting line of the humidity sensor, the first temperature sensor and the pressure sensor through the second temperature sensor, and the safety of the equipment is guaranteed. The partial discharge phenomenon of the main cable joint part of the detection unit is monitored and detected in real time through the local sensor, the electromagnetic sensor sleeves the humidity sensor, the temperature sensor I and the pressure sensor connecting line to detect the abnormality in the circuit, and the condition can be known in time for maintenance when a fault occurs. And the safety of real-time monitoring of the micro-water is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to GIS micro water on -line monitoring technical field especially relates to a new -type GIS micro water density on -line monitoring comprehensive device. BACKGROUND

[0002] GIS micro water on -line monitoring refers to the technical means of geographic information system (GIS) and realizes the real -time on -line monitoring and analysis of the micro water content in the micro water source or specific environment (such as SF6 gas insulation's high -voltage electrical equipment in substation), and is widely used in city water resource management, agricultural irrigation, flood warning, environmental monitoring and electric power system and multiple fields.

[0003] GIS micro water on -line monitoring usually adopts high -precision sensor to measure micro water content, such as dew point transmitter, temperature sensor and pressure sensor, and the data collected by the sensor is processed and analyzed, and then is transmitted to the background computer or server through the communication interface for further processing and display, and the system software usually includes three parts of on -spot detection unit software, server end software and client software to realize the data acquisition, transmission, processing and analysis functions.

[0004] The existing HMLD-II type SF6 on -line micro water density monitoring system realizes the monitoring of the micro water content in SF6 gas insulation's high -voltage electrical equipment in substation through temperature sensor, humidity sensor and liquid density sensor, and the safety operation of the equipment is ensured through these sensors, so the role of these sensors is particularly important, and any sensor problem will affect the inaccuracy of monitoring data, and the current maintenance mode of the system is regular maintenance, and the interval time is long, so if the detection sensor fails, it is difficult to find the abnormality in time.

[0005] Therefore, a new -type GIS micro water density on -line monitoring comprehensive device with monitoring function needs to be designed to solve the problem. UTILITY MODEL CONTENT

[0006] The utility model provides a new -type GIS micro water density on -line monitoring comprehensive device, solves the above -mentioned technical problem.

[0007] In order to solve the above technical problem, a new -type GIS micro water density on -line monitoring comprehensive device is provided, which comprises a processing unit and a monitoring terminal, the processing unit is electrically connected with an alarm module, the processing unit is electrically connected with a wireless transmission module, and the processing unit is wirelessly connected with the monitoring terminal through the wireless transmission module, the processing unit is electrically connected with a power supply module, and the processing unit is also electrically connected with a control display unit, the processing unit is electrically connected with a monitoring module, and the processing unit is also electrically connected with a detection unit.

[0008] The detection unit comprises a humidity sensor, a temperature sensor one and a pressure sensor, all of which are electrically connected with the processing unit, the humidity sensor is installed in the gas inlet or the measuring cavity of the GIS device, and is used for detecting the moisture content in the SF6 gas; the temperature sensor one is installed with the humidity sensor one, and is used for measuring the surface temperature of the humidity sensor or the temperature inside the GIS device; and the pressure sensor is installed in the gas inlet or the measuring cavity of the GIS device, and is used for monitoring the pressure change of the SF6 gas in real time.

[0009] The monitoring module comprises a camera, a temperature sensor two, a partial discharge sensor and an electromagnetic sensor, the camera is electrically connected with the processing unit, and the temperature sensor two, the partial discharge sensor and the electromagnetic sensor are electrically connected with the processing unit.

[0010] Preferably, the control display unit comprises a key setting module and a display screen module, the key setting module is electrically connected with the processing unit, and the display screen module is electrically connected with the processing unit.

[0011] Preferably, the warning module comprises a loudspeaker module and a flashing lamp module, and the loudspeaker module and the flashing lamp module are electrically connected with the processing unit.

[0012] Preferably, the processing unit comprises an analysis and processing module, the analysis and processing module processes the data collected by the detection unit and the monitoring module, calculates the micro-water density, and has the functions of data storage, processing and transmission.

[0013] Preferably, the camera is installed on the external site of the GIS device, and is used for shooting towards the GIS device.

[0014] Preferably, the temperature sensor two is provided with three groups of temperature monitoring lines which are fixed on the humidity sensor, the temperature sensor one and the pressure sensor through the cable ties.

[0015] Preferably, the partial discharge sensor is installed on the total cable joint part of the detection unit, and is used for detecting the partial discharge phenomenon.

[0016] Preferably, the electromagnetic sensor is provided with three groups, and the three groups of electromagnetic sensors are sleeved on the humidity sensor, the temperature sensor one and the pressure sensor connection lines, and are used for detecting the changing magnetic field around the lines to identify the abnormality in the circuit.

[0017] Compared with the related art, the novel GIS micro-water density online monitoring comprehensive device has the following beneficial effects:

[0018] The utility model provides, through monitoring module carries out safety monitoring, and sends monitoring data to processing unit and carries out analysis processing, camera carries out real time monitoring and shoots to GIS equipment, thereby guaranteeing equipment normal operation, through temperature sensor no. 2 carries out temperature monitoring to humidity sensor, temperature sensor no. 1 and pressure sensor's connecting line, through local sensor to detection unit total cable joint part real time monitoring detects local discharge phenomenon, through electromagnetic sensor is set on humidity sensor, temperature sensor no. 1 and pressure sensor connecting line detects the abnormality in circuit, can understand situation in time and maintain when failure, ensure the security of micro water real time monitoring. BRIEF DESCRIPTION OF DRAWINGS

[0019] Fig. 1 It is a novel GIS micro water density on-line monitoring comprehensive device system schematic diagram of the utility model,

[0020] Fig. 2 It is monitoring module system schematic diagram of the utility model,

[0021] Fig. 3 It is warning module system schematic diagram of the utility model.

[0022] Marked number in drawing: 1, processing unit;2, warning module;21, loudspeaker module;22, flashing light module;3, control display unit;4, power module;5, detection unit;51, humidity sensor;52, temperature sensor no. 1;53, pressure sensor;6, monitoring module;61, camera;62, temperature sensor no. 2;63, partial discharge sensor;64, electromagnetic sensor;7, wireless transmission module;8, monitoring terminal. DETAILED DESCRIPTION

[0023] Embodiment, by Figs. 1-3 Give a novel GIS micro water density on-line monitoring comprehensive device, including processing unit 1 and monitoring terminal 8, processing unit 1 electric nature output is connected with warning module 2, processing unit 1 electric nature input output is connected with wireless transmission module 7, and is connected with monitoring terminal 8 wireless transmission through wireless transmission module 7, processing unit 1 electric nature input output is connected with power module 4, and processing unit 1 still electric nature input output is connected with control display unit 3, processing unit 1 electric nature input output has monitoring module 6, and processing unit 1 still electric nature input is connected with detection unit 5.

[0024] Specifically, staff set the micro-moisture density alarm threshold through the control display unit 3, and monitor the micro-moisture density in SF6 gas in real time through the detection unit 5. The detection data is sent to the processing unit 1, which analyzes the measurement data, performs further processing and calculation to obtain the micro-moisture density, and sends the value to the control display unit 3 for display. When the value reaches the alarm threshold, the processing unit 1 controls the alarm module to work. The processing unit 1 is also equipped with a wireless transmission module 7, which wirelessly sends information to the external monitoring terminal 8 for reminder.

[0025] In this embodiment, the detection unit 5 includes a humidity sensor 51, a temperature sensor 52, and a pressure sensor 53. The humidity sensor 51, temperature sensor 52, and pressure sensor 53 are all electrically connected to the processing unit 1. The humidity sensor 51 is installed in the air intake or measuring chamber of the GIS equipment to detect the moisture content in the SF6 gas. The temperature sensor 52 is installed together with the humidity sensor 51 to measure the surface temperature of the humidity sensor 51 or the internal temperature of the GIS equipment. The pressure sensor 53 is installed in the air intake or measuring chamber of the GIS equipment to monitor the pressure changes of the SF6 gas in real time.

[0026] Specifically, the humidity sensor 51 detects the moisture content in the SF6 gas, the temperature sensor 52 measures the surface temperature of the humidity sensor to more accurately calculate parameters such as the dew point, and the pressure sensor 53 monitors the gas pressure inside the GIS equipment to ensure that the equipment operates within the normal working range. The detection data is then sent to the processing unit 1.

[0027] In this embodiment, the control display unit 3 consists of a button setting module and a display screen module. The button setting module is electrically connected to the processing unit 1 for input, and the display screen module is electrically connected to the processing unit 1 for output. The operator sets the micro-moisture density alarm threshold through the button setting module. The processing unit 1 analyzes the measurement data of the detection unit 5, performs further processing and calculation to obtain the micro-moisture density, and sends the value to the display screen module for display.

[0028] In this embodiment, the warning module 2 includes a speaker module 21 and a flashing light module 22. Both the speaker module 21 and the flashing light module 22 are electrically connected to the processing unit 1. When an abnormality occurs, the speaker module 21 sounds and the flashing light module 22 flashes to provide an audio-visual reminder.

[0029] In this embodiment, the processing unit 1 comprises an analysis and processing module. The analysis and processing module processes the data collected by the detection unit 5 and the monitoring module 6, calculates the micro-moisture density, and has the functions of data storage, processing and transmission. It sends the detection data to the processing unit 1, and the processing unit 1 analyzes the measurement data, performs further processing and calculation, to obtain the micro-moisture density.

[0030] In Example 2, based on Example 1, the monitoring module 6 includes a camera 61, a second temperature sensor 62, a partial discharge sensor 63, and an electromagnetic sensor 64. The camera 61 is electrically connected to the processing unit 1 for input and output. The second temperature sensor 62, the second partial discharge sensor 63, and the electromagnetic sensor 64 are electrically connected to the processing unit 1 for input. The camera 61 is installed outside the GIS equipment and faces the GIS equipment to take pictures. The second temperature sensor 62 has three sets, which are respectively fixed to the connection lines of the humidity sensor 51, the first temperature sensor 52, and the pressure sensor 53 by cable ties to monitor the temperature. The partial discharge sensor 63 is installed at the main cable connector of the detection unit 5 and is used to detect partial discharge phenomena. The electromagnetic sensor 64 has three sets, which are respectively sleeved on the connection lines of the humidity sensor 51, the first temperature sensor 52, and the pressure sensor 53 to detect the changing magnetic field around the lines to identify abnormalities in the circuit.

[0031] Specifically, during the system implementation and testing process, the monitoring module 6 performs safety monitoring and sends the monitoring data to the processing unit 1 for analysis and processing. The camera 61 monitors and captures images of the GIS equipment in real time to ensure its normal operation. The temperature sensor 62 monitors the temperature of the connection lines between the humidity sensor 51, the temperature sensor 52, and the pressure sensor 53. When an abnormal temperature rise occurs in the circuit, it can be detected and repaired in time to ensure the safety of real-time micro-water monitoring. The local sensor monitors the main cable connector of the detection unit 5 in real time to detect partial discharge phenomena, ensuring the normal operation of the equipment detection unit 5. The electromagnetic sensor 64 is installed on the connection lines between the humidity sensor 51, the temperature sensor 52, and the pressure sensor 53 to detect the changing magnetic field around the lines to identify abnormalities in the circuit. When a circuit abnormality occurs, it can be detected and repaired in time to ensure the safety of real-time micro-water monitoring.

[0032] Working principle:

[0033] During operation, staff set the micro-moisture density alarm threshold through the control display unit 3, detect the moisture content in SF6 gas through humidity sensor 51, measure the surface temperature of the humidity sensor 52 to more accurately calculate parameters such as dew point, and monitor the gas pressure inside the GIS equipment through pressure sensor 53 to ensure that the equipment operates within the normal working range. The detection data is sent to the processing unit 1, which analyzes the measurement data, performs further processing and calculation to obtain the micro-moisture density, and sends the value to the control display unit 3 for display. When the value reaches the alarm threshold, the processing unit 1 controls the alarm module to work, that is, the speaker module 21 sounds and the flashing light module 22 flashes to provide an audible and visual reminder. The processing unit 1 is also equipped with a wireless transmission module 7, which wirelessly sends information to the external monitoring terminal 8 for reminder.

[0034] During the system's testing process, the monitoring module 6 performs safety monitoring and sends the monitoring data to the processing unit 1 for analysis and processing. The camera 61 monitors and captures images of the GIS equipment in real time to ensure its normal operation. The temperature sensor 62 monitors the temperature of the connection lines between the humidity sensor 51, temperature sensor 52, and pressure sensor 53. When an abnormal temperature rise occurs in the circuit, it can be detected and repaired in time, ensuring the safety of real-time micro-water monitoring. The local sensor monitors the main cable connector of the detection unit 5 in real time to detect partial discharge phenomena, ensuring the normal operation of the equipment detection unit 5. The electromagnetic sensor 64 is installed on the connection lines between the humidity sensor 51, temperature sensor 52, and pressure sensor 53 to detect changing magnetic fields around the lines to identify abnormalities in the circuit. When a circuit abnormality occurs, it can be detected and repaired in time, ensuring the safety of real-time micro-water monitoring.

Claims

1. A new type of GIS micro water density online monitoring integrated device, comprising a processing unit (1) and a monitoring terminal (8), characterized in that: The processing unit (1) is electrically connected with a warning module (2), the processing unit (1) is electrically connected with a wireless transmission module (7), and the processing unit (1) is wirelessly connected with a monitoring terminal (8) through the wireless transmission module (7), the processing unit (1) is electrically connected with a power supply module (4), and the processing unit (1) is also electrically connected with a control display unit (3), the processing unit (1) is electrically connected with a monitoring module (6), and the processing unit (1) is also electrically connected with a detection unit (5); The detection unit (5) comprises a humidity sensor (51), a temperature sensor (52) and a pressure sensor (53), the humidity sensor (51), the temperature sensor (52) and the pressure sensor (53) are electrically connected with the processing unit (1), the humidity sensor (51) is installed in the gas inlet or the measuring cavity of the GIS device, and is used for detecting the water content in the SF6 gas; the temperature sensor (52) is installed together with the humidity sensor (51), and is used for measuring the surface temperature of the humidity sensor (51) or the temperature inside the GIS device; the pressure sensor (53) is installed in the gas inlet or the measuring cavity of the GIS device, and is used for monitoring the pressure change of the SF6 gas in real time; The monitoring module (6) comprises a camera (61), a temperature sensor (62), a partial discharge sensor (63) and an electromagnetic sensor (64), the camera (61) is electrically connected with the processing unit (1), and the temperature sensor (62), the partial discharge sensor (63) and the electromagnetic sensor (64) are electrically connected with the processing unit (1).

2. The novel GIS micro-water density on-line monitoring comprehensive device according to claim 1, characterized in that, The control display unit (3) comprises a key setting module and a display screen module, the key setting module is electrically connected with the processing unit (1), and the display screen module is electrically connected with the processing unit (1).

3. The novel GIS micro-water density on-line monitoring comprehensive device according to claim 1, characterized in that, The warning module (2) comprises a speaker module (21) and a flashing lamp module (22), and the speaker module (21) and the flashing lamp module (22) are electrically connected with the processing unit (1).

4. The novel GIS micro-water density on-line monitoring comprehensive device according to claim 1, characterized in that, The processing unit (1) comprises an analysis and processing module, the analysis and processing module processes the data collected by the detection unit (5) and the monitoring module (6), calculates the micro-water density, and has the functions of data storage, processing and transmission.

5. The novel GIS micro-water density on-line monitoring integrated device according to claim 1, characterized in that, The camera (61) is installed on the external site of the GIS device and faces the GIS device for shooting.

6. The novel GIS micro-water density on-line monitoring integrated device according to claim 1, characterized in that, The temperature sensor (62) is provided with three groups of temperature monitoring lines fixed on the humidity sensor (51), the temperature sensor (52) and the pressure sensor (53) by means of a cable tie.

7. The novel GIS micro-water density on-line monitoring integrated device according to claim 1, characterized in that, The partial discharge sensor (63) is installed on the total cable joint part of the detection unit (5), and is used for detecting the partial discharge phenomenon.

8. The novel GIS micro-water density on-line monitoring integrated device according to claim 1, characterized in that, The electromagnetic sensor (64) is provided with three groups, and the three groups of electromagnetic sensors (64) are respectively sleeved on the connection lines of the humidity sensor (51), the temperature sensor (52) and the pressure sensor (53), and are used for detecting the changing magnetic field around the line to identify the abnormality in the circuit.

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