CN113708505A - Novel coil for wireless charging of GIS state observation video sensor - Google Patents

Novel coil for wireless charging of GIS state observation video sensor Download PDF

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Publication number
CN113708505A
CN113708505A CN202110877720.6A CN202110877720A CN113708505A CN 113708505 A CN113708505 A CN 113708505A CN 202110877720 A CN202110877720 A CN 202110877720A CN 113708505 A CN113708505 A CN 113708505A
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coil
gis
charging
video sensor
wireless
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Chinese (zh)
Inventor
闻枫
张国奇
李强
韩晨
武书琪
裴文杰
张翔
张大上
刘嘉明
马建行
陈泽
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Nanjing University of Science and Technology
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Nanjing University of Science and Technology
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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B13/00—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
    • H02B13/02—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with metal casing
    • H02B13/035—Gas-insulated switchgear
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/24—Circuit arrangements for boards or switchyards
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B13/00—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
    • H02B13/02—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with metal casing
    • H02B13/025—Safety arrangements, e.g. in case of excessive pressure or fire due to electrical defect
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B13/00—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
    • H02B13/02—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with metal casing
    • H02B13/035—Gas-insulated switchgear
    • H02B13/0356—Mounting of monitoring devices, e.g. current transformers
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B13/00—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
    • H02B13/02—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with metal casing
    • H02B13/035—Gas-insulated switchgear
    • H02B13/065—Means for detecting or reacting to mechanical or electrical defects
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J11/00—Circuit arrangements for providing service supply to auxiliaries of stations in which electric power is generated, distributed or converted
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
    • H02J13/00001—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by the display of information or by user interaction, e.g. supervisory control and data acquisition systems [SCADA] or graphical user interfaces [GUI]
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
    • H02J13/00002—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by monitoring
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
    • H02J13/00006—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment
    • H02J13/00022—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment using wireless data transmission
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
    • H02J13/00032—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for
    • H02J13/00036—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for the elements or equipment being or involving switches, relays or circuit breakers
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
    • H02J50/005—Mechanical details of housing or structure aiming to accommodate the power transfer means, e.g. mechanical integration of coils, antennas or transducers into emitting or receiving devices
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
    • H02J50/10—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling
    • H02J50/12—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling of the resonant type
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0042—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02B90/20—Smart grids as enabling technology in buildings sector
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
    • Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
    • Y04S40/126—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wireless data transmission

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Human Computer Interaction (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

The invention discloses a novel coil for wireless charging of a GIS switch state observation video sensor, relates to the field of wireless power transmission, and particularly relates to a novel coil for wireless charging of a GIS switch state observation video sensor. The system comprises a charging detection part, an image recognition part, a wireless communication part and a novel coupling coil DC coil or DS coil, wherein the linear part of the DC coil is tightly arranged, and a semicircular part is provided with a certain turn interval; the DS coil straight wire part is provided with a certain turn interval, and the semicircular part is tightly arranged; charging information acquisition is carried out through charging detection; and image recognition is used for recognizing the switch position state, and wireless communication is used for wireless data transmission. The wireless power transmission device solves the problems that other coils are not matched with the GIS circular observation window, but are matched with the GIS circular observation window, but have poor anti-offset and anti-rotation offset capabilities, saves copper materials and installation space while solving the problems, and is mainly used for a GIS circular observation window wireless power supply system.

Description

Novel coil for wireless charging of GIS state observation video sensor
Technical Field
The invention belongs to the field of wireless power transmission, and particularly relates to a novel coil for wireless charging of a GIS state observation video sensor.
Background
With the increase of installed capacity of electric power systems in China, the coverage range of power grids is increasingly wide, the safe and stable operation of the electric power systems is concerned, and GIS is widely applied to the electric power systems due to the advantages of safety, reliability, convenience in maintenance and the like. However, in the existing GIS, the condition of incomplete opening and closing exists, so that potential safety hazards are increased for safe operation of a power system, whether the opening and closing are complete or not can be judged by observing the position state of the switch contact, but the GIS is a closed space, and whether the opening and closing of the switch contact are complete or not can be difficultly and directly observed through an optical observation window. The video sensor can be used for collecting the position state information of the switch contact, but the traditional power supply mode is relatively complex, and the GIS switch is not supplied with power by an applicable power supply on site, so that the wireless power supply mode is adopted, the original sealing structure can be kept, and convenience, safety and reliability are realized.
The method for acquiring the position state of the GIS switch generally comprises the following steps: after the switch is operated, the worker can visually observe the circular observation window to obtain the switch position state. However, due to the narrow visual field and insufficient light inside the GIS, the manual work is difficult to accurately judge whether the switch contact is opened or closed thoroughly.
The mode of observing the switch position state through the camera, for the partial power supply of wireless sensor is the problem that needs to solve urgently. However, the field is not supplied with power by a matched power supply, the frequent dismounting device is complex to operate when a battery is replaced, and the traditional charging mode needs frequent plugging and unplugging plugs, so that the service life of the equipment is shortened, and the maintenance is difficult.
Disclosure of Invention
The invention aims to provide a novel coil for wireless charging of a GIS state observation video sensor, solves the problems of mismatching, matching but poor anti-offset and anti-rotation offset capabilities of other coils and a GIS optical observation window, saves copper materials and installation space while solving the problems, and provides a novel coil structure for the field of wireless charging.
The technical scheme for realizing the purpose of the invention is as follows: a novel coil for wireless charging of a GIS state observation video sensor comprises a charging detection part, an image recognition part, a wireless communication part and a novel coupling coil; the charging detection part mainly collects necessary information before charging preparation; the image recognition part can collect image information of the switch in different states, then transmits video signals to the terminal through wireless data transmission, and the terminal decodes the video signals and analyzes and processes the image information of the switch in real time to finally obtain the actual opening and closing state information of the isolating switch; the wireless communication part mainly transmits the collected charging information of the internal device to a transmitting coil device outside the sealing device, and controls whether the coupling mechanism carries out wireless charging and image information transmission. The invention provides a novel coil structure based on a wireless power transmission technology, and provides power for a video sensor which judges the opening and closing states of a GIS switch by observing the position of a moving contact through an image recognition technology.
A novel coil for wireless charging of a GIS state observation video sensor changes a traditional rectangular DD coil into a semicircular DC coil or a semicircular DS coil in order to adapt to a GIS circular observation window, as shown in figure 3, the linear part of the DC coil is tightly arranged, and a certain turn interval is reserved on the semicircular part; the DS coil straight wire part is provided with a certain turn interval, and the semicircle parts are closely arranged. The transmitting coil and the receiving coil take the same dimensions. The transmitting coil is excited by an oscillating circuit to generate an alternating magnetic field, the receiving end coil generates magnetic resonance, and the magnetic field intensity generated by the wireless energy transmission transmitting coil at one point P (x, y, z) in space is calculated as follows:
Figure BDA0003190936450000021
Figure BDA0003190936450000022
Figure BDA0003190936450000031
a novel DC coil for wireless charging of a GIS state observation video sensor meets the charging requirements of small-range relative offset and relative rotation offset of a transmitting and receiving coil.
The utility model provides a whether open and shut thorough state of GIS switch is mastered in real time to a novel DC coil that is used for GIS state to survey video sensor wireless charging, does not destroy GIS internal seal's environment, and the periodic use part of charging carries out wireless charging to the wireless sensor part, through inside video sensor, uses image recognition technology, includes following steps:
(1) the GIS switch contact acts;
(2) the video sensor collects the state information of the switch contact;
(3) image information acquired by the video sensor transmits a video signal to the information processing terminal through the wireless communication module;
(4) and the terminal decodes the video signal, analyzes and processes the acquired image information in real time and finally obtains the actual opening and closing state information of the isolating switch.
(5) And the GIS switch acts again, and the steps are repeatedly cycled.
The utility model provides a novel coil that is used for GIS state to survey wireless charging of video sensor, realize including the step to the wireless charging of inside video sensor:
(1) when the electric quantity of the power supply module is insufficient, a charging signal is sent out;
(2) the signal is transmitted to the wireless communication module, and the charging information is transmitted to the wireless charging module;
(3) detecting whether the transceiver coil is aligned;
(4) the wireless charging module sends a charging instruction to the transmitting coil;
(5) the transmitting coil emits an alternating magnetic field;
(6) the receiving coil induces electricity through the change of the magnetic field;
(7) starting wireless charging;
(8) and the charging is completed.
The novel coil for wireless charging of the GIS state observation video sensor is characterized in that the problem that the state of a switch moving contact cannot be completely observed under the GIS closed condition is solved, and the problem that the existing rectangular DD type coil is not matched with a circular optical observation window is solved.
Compared with the prior art, the invention has the remarkable advantages that: compared with a rectangular DD coil, the improved circular DC coil saves wires more, occupies smaller space and has similar wireless power transmission performance to the traditional DD coil. The DS coil is designed to occupy less space than the DD coil under the condition that a wire does not exceed the traditional DD coil, and the wireless charging performance of the receiving and transmitting coil is better than that of the traditional DD coil under the conditions of small-range relative transverse offset and rotation offset. The radius of the DC coil and the DD coil is selected to be 15cm, the turn interval is 1cm, the number of turns is 6 turns, and the circumference and the area are calculated as follows:
Figure BDA0003190936450000041
Figure BDA0003190936450000042
selecting DS with 7 turns, calculating their respective circumferences as L and the other parameters as same as those of DD coilDD＝8.4m，LDS8.398 m; each area is SDD＝0.9m2，SDS＝0.07m2. It is obvious that the DS coil also uses less copper material and occupies less area than the DD coil.
Drawings
Fig. 1 is a layout diagram for wireless charging of a GIS state observation video sensor.
Fig. 2 is a flow chart of a coupling mechanism charging process for wireless power transfer.
Fig. 3 is a simplified diagram of a novel circular DC coil, a DS coil and a conventional rectangular DD coil.
Fig. 4 is an experimental comparison of a novel circular DC coil and a conventional rectangular DD coil.
Fig. 5 is an experimental comparison of a novel circular DS coil and a conventional rectangular DD coil.
Detailed Description
The invention is further illustrated by the following examples in conjunction with the accompanying drawings.
As shown in fig. 1, a novel coil for wireless charging of a GIS state observation video sensor includes a charging detection portion, an image recognition portion, a wireless communication portion, and a novel coupling coil; the charging detection part mainly collects necessary information before charging preparation; the image recognition part can collect image information of the switch in different states, and then transmits video signals to a terminal for real-time analysis and processing through wireless data transmission, so as to finally obtain the actual opening and closing state information of the isolating switch; the wireless communication part mainly transmits the collected charging information of the internal device to a transmitting coil device outside the sealing device, and controls whether the coupling mechanism carries out wireless charging and image information transmission.
A novel DC coil or DS coil used for wireless charging of a GIS state observation video sensor is characterized in that in order to adapt to a GIS circular observation window, a traditional rectangular DD coil is changed into a semicircular DC coil or DS coil, the linear part of the DC coil is tightly arranged, and a certain turn interval is reserved on the semicircular part; the DS coil straight wire part is provided with a certain turn interval, and the semicircle parts are closely arranged. The transmitting coil and the receiving coil take the same dimensions. The transmitting coil is excited by the oscillating circuit to generate an alternating magnetic field, and the receiving coil generates magnetic resonance to realize wireless transmission of energy.
A novel coil for wireless charging of a GIS state observation video sensor is characterized by meeting the charging requirements of small-range relative deviation and relative rotation deviation of a transmitting and receiving coil.
A novel coil that is used for GIS state to survey video sensor wireless charging has solved other kinds of coils and GIS optical observation window and has unmatched, matches nevertheless anti skew and anti rotation capacity poor problem, provides a novel coil structure for wireless charging field simultaneously.
As shown in fig. 2, the novel coil for wireless charging of the video sensor for observing the state of the GIS is characterized in that the environment of the inner seal of the GIS is not damaged, the charging part is used for wireless charging of the wireless sensor part periodically, and the image recognition technology is used for mastering whether the GIS switch is completely opened or closed in real time through the inner video sensor, and the novel coil comprises the following steps:
(1) the GIS switch contact acts;
(2) the video sensor collects the state information of the switch contact;
(3) image information acquired by the video sensor transmits a video signal to the information processing terminal through the wireless communication module;
(4) and the terminal decodes the video signal, analyzes and processes the acquired image information in real time and finally obtains the actual opening and closing state information of the isolating switch.
(5) And the GIS switch acts again, and the steps are repeatedly cycled.
The utility model provides a novel coil that is used for GIS state to survey wireless charging of video sensor, realizes including the following step to the wireless charging of inside video sensor:
(1) when the electric quantity of the power supply module is insufficient, a charging signal is sent out;
(2) the signal is transmitted to the wireless communication module, and the charging information is transmitted to the wireless charging module;
(3) detecting whether the transceiver coil is aligned;
(4) the wireless charging module sends a charging instruction to the transmitting coil;
(5) the transmitting coil emits an alternating magnetic field;
(6) the receiving coil induces electricity through the change of the magnetic field;
(7) starting wireless charging;
(8) and the charging is completed.
As shown in fig. 4, a comparison graph of the measured current values of the receiving end in the improved circular DC coil and the rectangular DD coil is shown, (a) is a transverse offset experiment of the receiving coil, and (b) is a rotational offset experiment of the receiving coil, the DC coil for wireless charging of the GIS state observation video sensor is characterized in that the improved circular DC coil saves more wires than the rectangular DD coil under the same size and number of turns, occupies less space, and the receiving and transmitting coil can achieve the same charging effect as the rectangular DD coil under the relative offset and rotational offset in a small range.
As shown in fig. 5, a comparison graph of the current values measured by the receiving end in the DS coil and the rectangular DD coil is shown, (a) is a transverse shift experiment of the receiving coil, and (b) is a rotational shift experiment of the receiving coil. It can be seen from fig. 4 that the DD coil is also at a disadvantage under the rotational offset, and DS has strong stability in the offset ranges of-45 ° to 45 ° and 135 ° to 225 °, the receiving side current hardly changes, and the receiving side current change fluctuation is only about 0.3% in this range, and the DD coil has good performance of resisting the rotational offset.
The above embodiments are merely illustrative of the technical ideas of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like based on the technical ideas of the present invention should be included in the scope of the present invention.

Claims (6)

1. A novel coil for wireless charging of a GIS state observation video sensor is characterized in that a DD coil structure is correspondingly adjusted and changed into a semicircular DD coil, such as a DC coil or a DS coil structure, wherein the linear part of the DC coil is closely arranged, and a certain turn interval is reserved on the semicircular part; the DS coil straight wire part is provided with a certain turn interval, and the semicircular part is tightly arranged; the problem of other kinds of coils and GIS optical observation window mismatch, match nevertheless anti skew and anti rotatory skew ability poor is solved, practice thrift copper product and installation space again when solving the problem, provide a neotype coil structure for wireless charging field simultaneously.
2. The utility model provides a novel coil that is used for GIS state to survey wireless charging of video sensor, its characterized in that, transmitting coil installs at charging device, accepts the coil and installs at the wireless sensor part, and infrared video sensor can collect the image information of switch under different states through the sealed optics observation window of GIS, and the terminal is transmitted with video signal to the rethread wireless data transmission, and the terminal carries out the image information of video signal decoding real-time analysis processing switch, obtains isolator actual divide-shut brake state information at last.
3. The novel coil for wireless charging of the GIS state observation video sensor is characterized in that a traditional rectangular DD coil is changed into a semicircular coil, the sizes of a transmitting coil and a receiving coil are kept consistent, the coil is highly matched with a circular optical observation window, and the charging requirements of small-range relative offset and relative rotation offset of the transmitting coil and the receiving coil are met.
4. The novel coil for wireless charging of the GIS state observation video sensor is characterized in that the wireless sensor part is designed according to a circular observation window and is circular; according to different switch moving contact positions in the switching-on and switching-off process, an infrared video sensor is used for collecting video signals of the switch moving contact of the infrared video sensor to carry out wireless data transmission, and the switching-on and switching-off state of the infrared video sensor is judged by observing the moving contact position through an image recognition technology.
5. The novel coil for GIS state observation video sensor wireless charging according to claim 2 is characterized in that the environment sealed inside the GIS is not damaged, the charging part is used periodically to wirelessly charge the wireless sensor part, and whether the GIS switch is completely opened or closed or not is mastered in real time by using an image recognition technology through the internal video sensor, and the novel coil for GIS state observation video sensor wireless charging comprises the following steps:
(1) the GIS switch contact acts;
(2) the video sensor collects the state information of the switch contact;
(3) image information acquired by the video sensor transmits a video signal to the information processing terminal through the wireless communication module;
(4) the terminal decodes the video signal, analyzes and processes the acquired image information in real time, and finally obtains the actual opening and closing state information of the isolating switch;
(5) and the GIS switch acts again, and the steps are repeatedly cycled.
6. The novel coil for wireless charging of the GIS state observation video sensor, as claimed in claim 1, solves the problem that the switch moving contact state cannot be completely observed under the GIS closed condition, and the problem that the existing rectangular DD type coil is not matched with the circular optical observation window, and realizes wireless charging of the internal video sensor, comprising the following steps:
(1) when the electric quantity of the power supply module is insufficient, a charging signal is sent out;
(2) the signal is transmitted to the wireless communication module, and the charging information is transmitted to the wireless charging module;
(3) detecting whether the transceiver coil is aligned;
(4) the wireless charging module sends a charging instruction to the transmitting coil;
(5) the transmitting coil emits an alternating magnetic field;
(6) the receiving coil induces electricity through the change of the magnetic field;
(7) starting wireless charging;
(8) and the charging is completed.
CN202110877720.6A 2021-08-01 2021-08-01 Novel coil for wireless charging of GIS state observation video sensor Pending CN113708505A (en)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104320614A (en) * 2014-10-14 2015-01-28 中国西电电气股份有限公司 Interior video monitoring system and method of GIS (Geographic Information System) device
CN104320635A (en) * 2014-11-21 2015-01-28 国家电网公司 GIS switch position remote online monitoring system based on video
CN112528983A (en) * 2020-12-16 2021-03-19 国网江苏省电力有限公司检修分公司 GIS isolation/grounding switch video image acquisition system under dark light condition
CN113036940A (en) * 2021-01-08 2021-06-25 南京理工大学 Magnetic coupling system suitable for wireless power transmission between rocket and ground

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104320614A (en) * 2014-10-14 2015-01-28 中国西电电气股份有限公司 Interior video monitoring system and method of GIS (Geographic Information System) device
CN104320635A (en) * 2014-11-21 2015-01-28 国家电网公司 GIS switch position remote online monitoring system based on video
CN112528983A (en) * 2020-12-16 2021-03-19 国网江苏省电力有限公司检修分公司 GIS isolation/grounding switch video image acquisition system under dark light condition
CN113036940A (en) * 2021-01-08 2021-06-25 南京理工大学 Magnetic coupling system suitable for wireless power transmission between rocket and ground

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