Intelligent gas-insulated switchgear gas tank capable of being monitored on line

Abstract

The utility model provides an intelligent gas-insulated switchgear gas tank capable of being monitored on line, which relates to the technical field of power equipment and comprises a gas tank and a circuit breaker isolation grounding three-position switch body arranged inside the gas tank. The front side of the air box is provided with a circuit breaker operating mechanism and an isolation grounding three-position switch operating mechanism which are connected with the circuit breaker isolation grounding three-position switch body. A grounding contact and an isolation static contact are arranged on the circuit breaker isolation grounding three-position switch body; a camera is arranged at one end below the front side of the gas tank; according to the utility model, the embedded temperature sensor, the tuning fork type temperature sensor, the camera and the gas density meter are directly installed and integrated on the components in the gas box of the ring main unit to directly monitor the operation state of the ring main unit, and potential fault factors of the ring main unit can be found through monitoring, so that the risk of faults or safety accidents is reduced, and the reliability of the ring main unit is improved. The working efficiency is improved, personnel configuration is saved, and unattended operation is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to power equipment technical field especially relates to an intelligent aerated tank gas tank of on -line monitoring. BACKGROUND

[0002] The ring main unit is a group of high voltage switchgear, is usually installed in metal or nonmetal insulated cabinet, its core part adopts load switch and fuse, is mainly used in ring net power supply system, realizes the control and protection of distribution ring net, has simple structure, small size, low price, can improve the advantages such as power supply parameter and performance and power supply safety, is widely used in the distribution station and box type substation of urban residential area, high -rise building, large -scale public building, factory enterprise and so on load center;

[0003] As the ring main unit is the important equipment in power distribution system, the stability and safety of its operation state directly influence the operation efficiency and safety of power grid, the traditional ring main unit operation and maintenance mode relies on artificial patrol and regular detection, is difficult to find and handle potential fault in time, leads to high maintenance cost, big power outage risk, cannot satisfy the safe operation demand of modern power grid, therefore, the utility model provides a kind of intelligent aerated tank gas tank of on -line monitoring to solve the problems in prior art. UTILITY MODEL CONTENTS

[0004] In view of the above problems, the utility model provides a kind of intelligent aerated tank gas tank of on -line monitoring, the intelligent aerated tank gas tank of on -line monitoring can directly monitor the operation state, and potential fault factors of the ring main unit can be found by monitoring, so as to reduce the risk of failure or safety accident, improve work efficiency, save personnel allocation and realize unattended operation.

[0005] To achieve the purpose of the utility model, the utility model realizes the following technical scheme: a kind of intelligent aerated tank gas tank of on -line monitoring, including gas tank and circuit breaker isolation ground three-position switch body, the circuit breaker isolation ground three-position switch body is arranged in the inside of gas tank, and the front side of gas tank is equipped with the circuit breaker operating mechanism of connecting circuit breaker isolation ground three-position switch body, isolation ground three-position switch operating mechanism;

[0006] The circuit breaker isolation grounding three-position switch body is provided with a grounding contact and an isolation static contact, one end of the front lower side of the gas tank is provided with a camera, the shooting end of the camera faces the grounding contact, the isolation static contact is provided with an embedded temperature sensor, the upper and lower sides of the circuit breaker isolation grounding three-position switch body are connected with an upper outgoing bus and a lower outgoing bus respectively, and the connection positions of the upper outgoing bus and the lower outgoing bus with the circuit breaker isolation grounding three-position switch body are provided with tuning fork type temperature sensors, the upper side of the front side of the gas tank is provided with a wireless temperature measurement receiving antenna and a gas density table, and the wireless temperature measurement receiving antenna is electrically connected with the embedded temperature sensor and the tuning fork type temperature sensor.

[0007] Further improvement lies in that the upper sides of the two ends of the gas tank are provided with side expansion sleeve pipes, and the upper end of the upper outgoing bus is connected with the side expansion sleeve pipe.

[0008] Further improvement lies in that the lower side of the front side of the gas tank is provided with a lower outgoing sleeve pipe, and the lower end of the lower outgoing bus is connected with the lower outgoing sleeve pipe.

[0009] Further improvement lies in that the upper outgoing bus and the side expansion sleeve pipe are provided with at least six groups, and the lower outgoing sleeve pipe and the lower outgoing bus are provided with at least three groups.

[0010] Further improvement lies in that the upper side of the front side of the gas tank is provided with an inflation interface, the inflation interface is connected with the gas density table, and the gas density table is used for monitoring the gas pressure and micro water in the gas tank.

[0011] Further improvement lies in that the gas tank at the position below the inflation interface is provided with a temperature sensor signal transmission hole, the temperature sensor signal transmission hole is mounted with a metal plate pressing plate through an organic glass plate and a sealing ring, and the wireless temperature measurement receiving antenna is installed on the outer side of the metal plate pressing plate.

[0012] Further improvement lies in that the lower side of the front side of the gas tank is provided with a camera mounting hole, and the camera mounting hole is provided with a camera perspective window, the inner side of the camera perspective window is provided with a rectangular groove, and the camera is arranged in the rectangular groove.

[0013] Further improvement lies in that the camera and the gas density table are both internally provided with a communication remote chip for wireless communication transmission of data.

[0014] Further improvement lies in that the isolation grounding three-position switch operating mechanism comprises a first motor, an isolation switch operating shaft, a second motor and a grounding switch operating shaft, the output end of the first motor is connected with the isolation switch operating shaft, and the output end of the second motor is connected with the grounding switch operating shaft.

[0015] Further improvement lies in that the first motor is used for driving the isolation switch operating shaft to rotate for closing and opening operation, and the second motor is used for driving the grounding switch operating shaft to rotate for closing and opening operation.

[0016] The utility model discloses the beneficial effects are:

[0017] 1, the utility model discloses the embedded temperature sensor, the tuning fork type temperature sensor, the camera, the gas density table is directly installed integrated on the gas tank internal spare of ring main unit, directly monitors the operation state of ring main unit, and the potential failure factor of ring main unit can be found through monitoring, reduces the risk of the failure or safety accident that takes place, improves work efficiency, saves personnel configuration, realizes unattended.

[0018] 2, the utility model realizes to the temperature of main bus, the gas pressure value of gas tank, the micro water value, switch break position state of real -time monitoring when the operation of ring main unit, realizes intelligent analysis and remote control for ring main unit, provides the basic condition, effectively promotes the operation efficiency and security of power system.

[0019] 3, the utility model discloses a plurality of upper outgoing bus and lower outgoing bus all have the tuning fork type temperature sensor monitoring and embedded temperature sensor monitoring isolation static contact, thereby realize multi -point temperature monitoring, gather the temperature of multiple points through wireless temperature measurement receiving antenna, and convenient data collection, the camera and gas density table all have the communication remote chip built -in, and the remote data acquisition is convenient, and it is more convenient to use, and the function is diversified. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is the gas tank outside structure schematic diagram of the utility model;

[0021] Figure 2 It is the gas tank internal structure schematic diagram of the utility model;

[0022] Figure 3 It is the circuit breaker isolation ground three position switch body upper structure schematic diagram of the utility model;

[0023] Figure 4 It is the embedded temperature sensor schematic diagram of the utility model;

[0024] Figure 5 It is the gas tank schematic diagram of the utility model;

[0025] Figure 6 It is the camera perspective window schematic diagram of the utility model;

[0026] Figure 7 It is the camera schematic diagram of the utility model;

[0027] Figure 8 It is the isolation ground three position switch operating mechanism schematic diagram of the utility model.

[0028] Wherein: 1, gas tank; 2, circuit breaker isolation grounding three-position switch body; 3, circuit breaker operating mechanism; 4, isolation grounding three-position switch operating mechanism; 5, camera; 6, embedded temperature sensor; 7, upper outgoing bus; 8, lower outgoing bus; 9, tuning fork type temperature sensor; 10, wireless temperature measurement receiving antenna; 11, gas density meter; 12, side expansion sleeve; 13, lower outgoing sleeve; 14, inflation interface; 15, temperature sensor signal transmission hole; 16, camera mounting hole; 17, camera perspective window; 18, rectangular groove; 19, first motor; 20, isolation switch operating shaft; 21, second motor; 22, grounding switch operating shaft; 23, grounding contact; 24, isolation static contact. DETAILED DESCRIPTION

[0029] In order to deepen the understanding of the utility model, the utility model will be further described in the following combined with examples, and the examples are only used to explain the utility model, and do not constitute the limitation of the protection scope of the utility model.

[0030] Example one

[0031] According to Figure 1 , 2 , 3, 4, 5, 6, 7, 8, the embodiment proposes an intelligent inflation cabinet gas tank that can be monitored online, comprising a gas tank 1 and a circuit breaker isolation grounding three-position switch body 2, the circuit breaker isolation grounding three-position switch body 2 is arranged in the inside of the gas tank 1, and the front side of the gas tank 1 is provided with a circuit breaker operating mechanism 3 and an isolation grounding three-position switch operating mechanism 4 connected with the circuit breaker isolation grounding three-position switch body 2.

[0032] The circuit breaker isolation grounding three-position switch body 2 is provided with a grounding contact 23 and an isolation static contact 24, one end below the front side of the gas tank 1 is provided with a camera 5, the shooting end of the camera 5 faces the grounding contact 23, the isolation static contact 24 is provided with an embedded temperature sensor 6, the circuit breaker isolation grounding three-position switch body 2 is connected with an upper outgoing bus 7 and a lower outgoing bus 8 respectively above and below, and the connection part of the upper outgoing bus 7 and the lower outgoing bus 8 with the circuit breaker isolation grounding three-position switch body 2 is provided with a tuning fork type temperature sensor 9, the upper side of the front side of the gas tank 1 is provided with a wireless temperature measurement receiving antenna 10 and a gas density meter 11, and the wireless temperature measurement receiving antenna 10 is electrically connected with the embedded temperature sensor 6 and the tuning fork type temperature sensor 9.

[0033] The upper end of the upper outgoing bus 7 is connected with the side expansion sleeve pipe 12 at the upper end of the gas tank 1. The lower end of the lower outgoing bus 8 is connected with the lower outgoing sleeve pipe 13 at the lower side of the front side of the gas tank 1. The upper outgoing bus and the side expansion sleeve pipe 12 are provided with six groups, and the lower outgoing sleeve pipe 13 and the lower outgoing bus 8 are provided with three groups. The upper outgoing bus 7 and the lower outgoing bus 8 are provided with a plurality of tuning fork type temperature sensors 9 for monitoring, and the embedded temperature sensor 6 monitors the isolation static contact 24, so as to realize multi-point temperature monitoring. The embedded temperature sensor 6 is a passive wireless temperature sensor, which has the characteristics of wide temperature measurement range, high precision, long reading distance, convenient installation, and is not affected by high voltage, and can withstand 42kV / min power frequency withstand voltage. The tuning fork type temperature sensor 9 is a passive wireless temperature sensor, which has the characteristics of wide temperature measurement range, high precision, long reading distance, convenient installation, and is not affected by high voltage, and can withstand 42kV / min power frequency withstand voltage.

[0034] The upper side of the front side of the gas tank 1 is provided with a gas charging interface 14, and the gas charging interface 14 is connected with the gas density table 11. The gas density table 11 is used for monitoring the gas pressure and micro water in the gas tank 1, and has a communication remote transmission function.

[0035] The temperature sensor signal transmission hole 15 is provided on the gas tank 1 at the lower position of the gas charging interface 14. The temperature sensor signal transmission hole 15 is installed with a metal plate pressing plate through an organic glass plate and a sealing ring. The wireless temperature receiving antenna 10 is installed on the outside of the metal plate pressing plate. The wireless temperature receiving antenna 10 is used for collecting the temperature of the plurality of temperature sensors in the gas tank 1, and is convenient for data collection for the A / B / C three-phase of the upper outgoing bus 7 and the lower outgoing bus 8.

[0036] The lower side of the front side of the gas tank 1 is provided with a camera mounting hole 16, and the camera mounting hole 16 is provided with a camera perspective window 17. The inner side of the camera perspective window 17 is provided with a rectangular groove 18, and the camera 5 is arranged in the rectangular groove 18. The camera 5 is opposite to the grounding contact 23, and is used for monitoring the grounding position of the grounding three-position switch body 2 of the circuit breaker isolation in real time. The camera 5 has a communication remote transmission function.

[0037] The camera 5 and the gas density table 11 are both provided with a communication remote transmission chip for wireless communication transmission of data. The camera 5 and the gas density table 11 are both provided with a communication remote transmission chip, which is convenient for remote data collection, more convenient to use, and diversified in function.

[0038] Embodiment two

[0039] According to Figure 1 , 2, 3, 4, 5, 6, 7, 8, the embodiment proposes an intelligent inflatable cabinet gas tank that can be monitored online, comprising a gas tank 1 and a circuit breaker isolation grounding three-position switch body 2, the circuit breaker isolation grounding three-position switch body 2 is arranged in the inside of the gas tank 1, and the front side of the gas tank 1 is provided with a circuit breaker operating mechanism 3 and an isolation grounding three-position switch operating mechanism 4 connected with the circuit breaker isolation grounding three-position switch body 2;

[0040] The circuit breaker isolation grounding three-position switch body 2 is provided with a grounding contact 23 and an isolation static contact 24, one end below the front side of the gas tank 1 is provided with a camera 5, the shooting end of the camera 5 faces the grounding contact 23, the isolation static contact 24 is provided with an embedded temperature sensor 6, the upper and lower sides of the circuit breaker isolation grounding three-position switch body 2 are respectively connected with an upper outgoing bus 7 and a lower outgoing bus 8, and the connection parts of the upper outgoing bus 7 and the lower outgoing bus 8 with the circuit breaker isolation grounding three-position switch body 2 are respectively provided with a tuning fork type temperature sensor 9, the upper side of the front side of the gas tank 1 is provided with a wireless temperature measurement receiving antenna 10 and a gas density meter 11, and the wireless temperature measurement receiving antenna 10 is electrically connected with the embedded temperature sensor 6 and the tuning fork type temperature sensor 9.

[0041] The isolation grounding three-position switch operating mechanism 4 comprises a first motor 19, an isolation switch operating shaft 20, a second motor 21 and a grounding switch operating shaft 22, the output end of the first motor 19 is connected with the isolation switch operating shaft 20, and the output end of the second motor 21 is connected with the grounding switch operating shaft 22. The first motor 19 is used for driving the isolation switch operating shaft 20 to rotate and operate, and the second motor 21 is used for driving the grounding switch operating shaft 22 to rotate and operate. The product is applied to the rotating and operating of the ring main unit. The online monitoring scheme of the product is not limited to this kind of gas tank 1 cabinet, and is also applicable to SF6 inflatable cabinets, normal pressure sealed cabinets and other metal enclosed switch devices.

[0042] The product realizes real-time monitoring of the temperature of the main bus, the gas pressure value, the micro water value and the switch joint position of the gas tank 1 of the ring main unit during operation by integrating the temperature sensor, the gas density meter 11, the camera 5, realizes intelligent analysis and remote control of the ring main unit, provides a basic condition, and effectively improves the operation efficiency and safety of the power system.

[0043] The utility model discloses a temperature sensor 6, tuning fork type temperature sensor 9, camera 5, gas density table 11 directly installs integrated in the gas tank 1 inside part of ring main unit, to directly monitor the operation state of ring main unit, can find the potential failure factor of ring main unit through monitoring, reduced the risk of the failure or safety accident that takes place, improved work efficiency, saved personnel configuration, realized unattended. And a plurality of upper outgoing bus 7 and lower outgoing bus 8 all have tuning fork type temperature sensor 9 and monitor, and embedded temperature sensor 6 monitors isolated static contact 24, to realize multi-point temperature monitoring, through wireless temperature measurement receiving antenna 10 gathers the temperature of multiple points, and convenient data collection, camera 5 and gas density table 11 all have communication remote chip, and convenient remote data acquisition, use more convenient, and function diversification.

[0044] The basic principle, main features and advantages of the utility model are shown and described above. The skilled person in the art should understand that the utility model is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model can have various changes and improvements, and these changes and improvements fall within the scope of the claimed utility model. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. An intelligent gas tank of an on-line monitoring gas insulated switchgear, comprising a gas tank (1) and a circuit breaker isolation grounding three-position switch body (2), characterized in that: The circuit breaker isolation grounding three-position switch body (2) is arranged in the inside of the gas tank (1), and the front side of the gas tank (1) is provided with a circuit breaker operating mechanism (3) connected with the circuit breaker isolation grounding three-position switch body (2) and an isolation grounding three-position switch operating mechanism (4); The circuit breaker isolation grounding three-position switch body (2) is provided with a grounding contact (23) and an isolation static contact (24), one end of the lower side of the front side of the gas tank (1) is provided with a camera (5), the shooting end of the camera (5) faces the grounding contact (23), the isolation static contact (24) is provided with an embedded temperature sensor (6), the upper and lower sides of the circuit breaker isolation grounding three-position switch body (2) are respectively connected with an upper outgoing bus (7) and a lower outgoing bus (8), and the connection positions of the upper outgoing bus (7) and the lower outgoing bus (8) with the circuit breaker isolation grounding three-position switch body (2) are respectively provided with a tuning fork type temperature sensor (9), the upper side of the front side of the gas tank (1) is provided with a wireless temperature measurement receiving antenna (10) and a gas density meter (11), and the wireless temperature measurement receiving antenna (10) is electrically connected with the embedded temperature sensor (6) and the tuning fork type temperature sensor (9).

2. The intelligent gas tank of the online monitoring gas tank according to claim 1, characterized in that: The upper end of the upper outgoing bus (7) is connected with the side expansion sleeve pipe (12).

3. The intelligent gas tank of the online monitoring gas tank according to claim 2, characterized in that: The lower end of the lower outgoing bus (8) is connected with the lower outgoing sleeve pipe (13).

4. The intelligent gas tank of the online monitoring gas tank according to claim 3, characterized in that: The upper outgoing bus and the side expansion sleeve pipe (12) are provided with at least six groups, and the lower outgoing sleeve pipe (13) and the lower outgoing bus (8) are provided with at least three groups.

5. The intelligent gas tank of the online monitoring gas tank according to claim 1, characterized in that: The upper side of the front side of the gas tank (1) is provided with an inflation interface (14), and the inflation interface (14) is connected with the gas density meter (11), and the gas density meter (11) is used for monitoring the gas pressure and micro water in the gas tank (1).

6. The intelligent gas tank of the online monitoring gas tank according to claim 4, characterized in that: The gas tank (1) at the position below the inflation interface (14) is provided with a temperature sensor signal transmission hole (15), the temperature sensor signal transmission hole (15) is installed with a metal plate pressing plate through an organic glass plate and a sealing ring, and the wireless temperature measurement receiving antenna (10) is installed on the outer side of the metal plate pressing plate.

7. The intelligent gas tank of the online monitoring gas tank according to claim 5, characterized in that: The front side of the gas tank (1) is provided with a camera mounting hole (16), and the camera mounting hole (16) is provided with a camera perspective window (17), the inner side of the camera perspective window (17) is provided with a rectangular groove (18), and the camera (5) is arranged in the inside of the rectangular groove (18).

8. The intelligent gas tank of the online monitoring gas tank according to claim 6, characterized in that: The camera (5) and the gas density meter (11) are both provided with a communication remote chip for wireless communication transmission of data.

9. The intelligent gassing cabinet gas tank capable of online monitoring according to claim 1, characterized in that: The isolation grounding three-position switch operating mechanism (4) comprises a first motor (19), an isolation switch operating shaft (20), a second motor (21) and a grounding switch operating shaft (22), the output end of the first motor (19) is connected with the isolation switch operating shaft (20), and the output end of the second motor (21) is connected with the grounding switch operating shaft (22).

10. The intelligent gassing cabinet gas tank capable of online monitoring according to claim 9, characterized in that: The first motor (19) is used to drive the isolating switch operating shaft (20) to rotate and operate, and the second motor (21) is used to drive the grounding switch operating shaft (22) to rotate and operate.

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