CN214252413U - Basin-type insulator embedded type GIS (geographic information system) live display safety sensor - Google Patents

Basin-type insulator embedded type GIS (geographic information system) live display safety sensor Download PDF

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Publication number
CN214252413U
CN214252413U CN202021944342.6U CN202021944342U CN214252413U CN 214252413 U CN214252413 U CN 214252413U CN 202021944342 U CN202021944342 U CN 202021944342U CN 214252413 U CN214252413 U CN 214252413U
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gis
metal
sensor
basin
circuit board
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张建军
邓方雄
杨军
周洪宇
钱其锋
邹洪刚
刘敏
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Guoneng Dadu River Dagangshan Power Generation Co ltd
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Guoneng Dadu River Dagangshan Power Generation Co ltd
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Abstract

The utility model discloses an embedded GIS of basin formula insulator is electrified to show and is used safe type sensor, including sensor and the GIS equipment that awaits measuring, it comprises metal spherical crown body, metal pole, metal cylinder, support insulation board and circuit board to the sensor, parallel arrangement forms the induction capacitance structure between metal pole and the metal cylinder, metal pole upper end and metal spherical crown body bottom fixed connection, the lower extreme of metal pole and metal cylinder all with support insulation board fixed connection, the circuit board pass through the cable respectively with metal pole and metal cylinder's lower extreme signal of telecommunication connection. Compared with the prior art, the utility model has the advantages of: the utility model discloses a sensor adopts spherical cap-cylinder capacitor structure, installs on the basin formula insulator of the GIS high voltage conductor that awaits measuring, has realized safe and reliable's GIS electrified state detection. And the sensor possesses the communication unit, supports wired and wireless communication mode, possesses coupling and gets electric module and GIS internal high voltage conductor and form and get electric capacity for getting the electricity.

Description

Basin-type insulator embedded type GIS (geographic information system) live display safety sensor
Technical Field
The utility model relates to a power equipment safety tool research technical field especially relates to an embedded GIS of basin formula insulator is electrified to show and is used safe type sensor.
Background
The charged states of high-voltage electrical equipment and a power transmission line are monitored, and the method has important significance for ensuring the safe operation and personal safety of a power system. GIS (Gas-Insulated Switchgear) equipment is totally closed equipment, can not directly test electricity according to conventional operation, and can only be operated through a high-voltage live display device for detecting high voltage. The high-voltage live display device is an electrical device which detects whether primary equipment of an electric power system is live or not and prevents misoperation of a high-voltage circuit breaker.
In principle, high-voltage charged display devices can be classified into three types, i.e., a contact type, a non-contact induction type, and an equipotential type. Wherein, the non-contact induction type structure is simple, and the application is wider. At present, a principle of capacitive coupling voltage division detection is mostly adopted for a charged display sensor of the GIS, a non-contact pin-plate capacitor structure is used as a sensing unit, and whether the inside of the GIS is charged or not is judged by detecting potential difference at two ends of a capacitor. However, the structure has some defects in practical application, which are as follows:
1) the pin-plate capacitor structure can form an electric field with uneven local electrodes under the condition of a GIS strong electric field, and particularly, the tail end of a pin-shaped electrode is easy to form point local discharge, so that potential safety hazards are caused to the internal insulation of the GIS.
2) The detection sensitivity of the pin-plate capacitor structure is mainly determined by a capacitance parameter, namely the pin-plate distance, and for GIS with different voltage levels, pin-plate structures with different distances need to be designed, so that the universality is not strong.
3) Traditional GIS electrified display sensor can not amplify and condition signals and can not transmit signals wirelessly because of no energy acquisition module, needs to be transmitted in a wired mode by means of an external power supply, and is not suitable for the development trend of the Internet of things at present
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome above-mentioned not enough, provide an embedded GIS of basin formula insulator is with safe type sensor for electrified demonstration.
In order to realize the purpose, the utility model discloses a technical scheme is: the utility model provides an embedded GIS of basin formula insulator is electrified shows and is used safe type sensor, is including the sensor that is used for GIS electrified state to detect and the GIS equipment that awaits measuring, it comprises metal spherical crown body, metal pole, metal cylinder, support insulation board and circuit board to the sensor, parallel arrangement forms the induction capacitance structure between metal pole and the metal cylinder, metal pole upper end and metal spherical crown body bottom fixed connection, the lower extreme of metal pole and metal cylinder all with support insulation board fixed connection, the circuit board pass through the cable respectively with metal pole and metal cylinder's lower extreme signal of telecommunication connection.
Preferably, the circuit board is integrated with a control unit and a signal conditioning circuit for collecting, amplifying and filtering detection signals of the sensor, and a signal input end of the circuit board is communicated with a signal output end of the signal conditioning circuit.
Preferably, the circuit board is further connected with a battery module and a communication module, and the control unit of the circuit board is electrically connected with the battery module and the communication module through cables.
Preferably, a basin-type insulator is arranged on a high-voltage conductor of the GIS equipment to be detected, a preformed hole matched with the supporting insulating plate is formed in the basin-type insulator, and the supporting insulating plate of the sensor is embedded in the preformed hole.
Preferably, the GIS equipment power supply device further comprises a power taking metal flat plate, wherein the power taking metal flat plate is located in the reserved hole and forms a power taking capacitor with a high-voltage conductor inside the GIS equipment, the battery module comprises an electric energy storage module and a charge and discharge circuit, and the battery module is electrically connected with the power taking metal flat plate and a control unit of the circuit board through the charge and discharge circuit respectively.
Preferably, the metal spherical cap body and the metal rod are welded or screwed.
Preferably, the supporting insulating plate is an insulating dielectric material, and the relative dielectric constant of the material is between 2.0 and 13.0.
Compared with the prior art, the utility model has the advantages of: the utility model discloses a sensor adopts spherical cap-cylinder capacitor structure, installs on the basin formula insulator of the GIS high voltage conductor that awaits measuring, has realized safe and reliable's GIS electrified state detection. And the sensor possesses the communication unit, supports wired and wireless communication mode, possesses coupling and gets electric module and GIS internal high voltage conductor and form and get electric capacity for getting the electricity.
Drawings
Fig. 1 is a schematic structural diagram of the sensor of the present invention;
fig. 2 is a top view of the sensor of the present invention;
fig. 3 is a schematic view of the installation of the present invention on a GIS device;
fig. 4 is a schematic circuit diagram of the sensor of the present invention.
In the figure: 1. a metal spherical crown body; 2. a metal rod; 3. a metal cylinder; 4. supporting an insulating plate; 5. a circuit board; 6. a battery module; 7. taking a metal flat plate; 8. a communication module; 9. a sensor; 10. a basin-type insulator; 11. reserving a hole; 12. a high voltage conductor.
Detailed Description
The present invention will be further explained below.
Example 1: referring to fig. 1 to 4, a basin-type insulator embedded type safety sensor for GIS live display comprises a sensor 9 for GIS live state detection and a to-be-detected GIS device, wherein the sensor 9 is composed of a metal spherical crown body 1, a metal rod 2, a metal cylinder 3, a supporting insulation plate 4 and a circuit board 5, the metal rod 2 and the metal cylinder 3 are arranged in parallel to form an induction capacitance structure, the metal spherical crown body 1, the metal rod 2, the metal cylinder 3 and the supporting insulation plate 4 form an induction capacitance for signal induction, the upper end of the metal rod 2 is fixedly connected with the bottom of the metal spherical crown body 1, the metal spherical crown body 1 is welded or screwed with the metal rod 2, the lower ends of the metal rod 2 and the metal cylinder 3 are fixedly connected with the supporting insulation plate 4, and the distance between the metal rod 2 and the metal cylinder 3 can be set according to actual requirements, the circuit board 5 is respectively connected with the lower end electric signals of the metal rod 2 and the metal cylinder 3 through cables. When in detection: when the high-voltage conductor 12 inside the GIS is electrified, a potential difference can be induced at two ends of the capacitor, and whether the high-voltage conductor 12 inside the GIS is electrified or not can be judged by detecting the potential difference.
The circuit board 5 is integrated with a control unit and a signal conditioning circuit for collecting, amplifying and filtering detection signals of the sensor 9, the signal input end of the circuit board 5 is communicated with the signal output end of the signal conditioning circuit and is used for amplifying, filtering, collecting and the like signals sensed at two ends of the capacitor, the circuit board is connected with the battery module 6 and the communication module 8 and carries out voltage collection on the metal rod 2 and the metal cylinder 3 through the signal conditioning circuit, and whether the inside of the GIS is electrified or not is judged through potential difference.
Still be connected with battery module 6 and communication module 8 on the circuit board 5, the control unit of circuit board 5 passes through the cable and is connected with battery module 6, communication module 8 electricity respectively, communication module 8 is used for gathering signal transmission to the control room of distal end with sensor 9, and it can support common wired, wireless communication mode.
Be equipped with basin formula insulator 10 on the high voltage conductor 12 of GIS equipment that awaits measuring, set up on the basin formula insulator 10 and support insulating board 4 assorted preformed hole 11, the support insulating board 4 of sensor 9 is embedded in preformed hole 11.
Still including getting electric metal flat 7, get electric metal flat 7 and be located preformed hole 11, and form with GIS equipment inside high voltage conductor 12 and get electric capacity, battery module 6 contains electric energy storage module and charge-discharge circuit, battery module 6 is connected with the control unit electricity of getting electric metal flat 7 and circuit board 5 respectively through charge-discharge circuit, for the control unit power supply. The sensor 9 is installed in a preset hole of the GIS basin-type insulator 10, and monitors the electrified state of the GIS in a non-contact induction mode. The electricity taking metal flat plate 7 and the GIS internal high-voltage conductor 12 form an electricity taking capacitor for taking electricity and storing electric energy in an electric energy storage module, and the electric energy storage module is a storage battery.
The supporting insulating plate 4 is made of insulating dielectric material, and the relative dielectric constant of the material is between 2.0 and 13.0. When the device is used specifically, the insulating dielectric materials with different dielectric constants can be selected according to different GIS voltage levels to match corresponding detection sensitivity requirements.
The cable used for connecting the metal rod 2, the metal cylinder 3 and the circuit board 5 plays a role in signal transmission, and can be selected from a wire or a coaxial cable.
Cables between the circuit board 5 and the battery modules 6 for transmission of electrical energy, optionally wires or coaxial cables.
And a cable between the battery module 6 and the electricity-taking metal flat plate 7 is used for transmitting electric energy.
And a cable between the communication module 8 and the circuit board 5 for transmitting signals and electric energy, wherein the cable can be selected from a wire or a coaxial cable.
The above description is made in detail on the safety sensor for the basin-type insulator embedded GIS live display provided by the present invention, and specific examples are applied herein to explain the principle and the implementation of the present invention, and the description of the above embodiments is only used to help understand the method and the core idea of the present invention; while the invention has been described in terms of specific embodiments and applications, it will be apparent to those skilled in the art that numerous variations and modifications can be made without departing from the spirit and scope of the invention as defined in the appended claims.

Claims (7)

1. The utility model provides an embedded GIS of basin formula insulator takes electrical display to use safe type sensor, includes the sensor that is used for GIS electrified state to detect and the GIS equipment that awaits measuring, its characterized in that: the sensor is composed of a metal spherical crown body, a metal rod, a metal cylinder, a supporting insulation board and a circuit board, wherein an induction capacitor structure is formed between the metal rod and the metal cylinder in a parallel mode, the upper end of the metal rod is fixedly connected with the bottom of the metal spherical crown body, the lower ends of the metal rod and the metal cylinder are fixedly connected with the supporting insulation board, and the circuit board is respectively connected with lower end electric signals of the metal rod and the metal cylinder through cables.
2. The basin-insulator embedded type GIS (geographic information System) safety sensor for live display according to claim 1, characterized in that: the circuit board is integrated with a control unit and a signal conditioning circuit for collecting, amplifying and filtering detection signals of the sensor, and a signal input end of the circuit board is communicated with a signal output end of the signal conditioning circuit.
3. The basin-insulator embedded type GIS (geographic information System) safety sensor for live display according to claim 1, characterized in that: the circuit board is also connected with a battery module and a communication module, and a control unit of the circuit board is electrically connected with the battery module and the communication module through cables.
4. The basin-insulator-embedded GIS (geographic information System) safety sensor for live display according to claim 3, characterized in that: be equipped with the basin formula insulator on the high voltage conductor of GIS equipment that awaits measuring, set up on the basin formula insulator and support insulation board assorted preformed hole, the support insulation board of sensor is embedded in the preformed hole.
5. The basin-insulator-embedded GIS (geographic information System) safety sensor for live display according to claim 4, characterized in that: still including getting the electric metal flat plate, get the electric metal flat plate and be located the preformed hole, and form with the inside high-voltage conductor of GIS equipment and get electric capacity, battery module contains electric energy storage module and charge-discharge circuit, battery module passes through charge-discharge circuit respectively with get the electric metal flat plate and the control unit electricity of circuit board is connected.
6. The basin-insulator embedded type GIS (geographic information System) safety sensor for live display according to claim 1, characterized in that: the metal spherical crown body and the metal rod are connected by welding or threads.
7. The basin-insulator embedded type GIS (geographic information System) safety sensor for live display according to claim 1, characterized in that: the supporting insulating plate is made of insulating dielectric materials, and the relative dielectric constant of the materials is between 2.0 and 13.0.
CN202021944342.6U 2020-09-08 2020-09-08 Basin-type insulator embedded type GIS (geographic information system) live display safety sensor Active CN214252413U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021944342.6U CN214252413U (en) 2020-09-08 2020-09-08 Basin-type insulator embedded type GIS (geographic information system) live display safety sensor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021944342.6U CN214252413U (en) 2020-09-08 2020-09-08 Basin-type insulator embedded type GIS (geographic information system) live display safety sensor

Publications (1)

Publication Number Publication Date
CN214252413U true CN214252413U (en) 2021-09-21

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202021944342.6U Active CN214252413U (en) 2020-09-08 2020-09-08 Basin-type insulator embedded type GIS (geographic information system) live display safety sensor

Country Status (1)

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CN (1) CN214252413U (en)

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