CN204462315U - Based on the local discharge detection device of aerial array - Google Patents

Based on the local discharge detection device of aerial array Download PDF

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Publication number
CN204462315U
CN204462315U CN201520089359.0U CN201520089359U CN204462315U CN 204462315 U CN204462315 U CN 204462315U CN 201520089359 U CN201520089359 U CN 201520089359U CN 204462315 U CN204462315 U CN 204462315U
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CN
China
Prior art keywords
aerial array
cloud terrace
antenna
rotatable
detection
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201520089359.0U
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Chinese (zh)
Inventor
陈昱同
王天正
俞华
田赟
杨冬冬
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
State Grid Corp of China SGCC
Electric Power Research Institute of State Grid Shanxi Electric Power Co Ltd
Original Assignee
State Grid Corp of China SGCC
Electric Power Research Institute of State Grid Shanxi Electric Power Co Ltd
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Application filed by State Grid Corp of China SGCC, Electric Power Research Institute of State Grid Shanxi Electric Power Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN201520089359.0U priority Critical patent/CN204462315U/en
Application granted granted Critical
Publication of CN204462315U publication Critical patent/CN204462315U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a kind of local discharge detection device based on aerial array, comprise antenna mounting frame and be located at aerial array on antenna mounting frame, aerial array comprises four detection antennas, and four detection antennas assume diamond in shape distribution; Antenna mounting frame is installed on rotatable The Cloud Terrace by antenna holder; Detect antenna and be connected main control computer by signal acquiring system, data handling system with data transmission system successively; Rotatable The Cloud Terrace is connected with cloud platform control system, cloud platform control system comprise control The Cloud Terrace rotate drive motor, for gathering the angle return system of the rotatable The Cloud Terrace anglec of rotation.Aerial array adopts diamond-shaped plan arrangement, and delay inequality is maximum, and degree of accuracy is the highest; Be provided with angle return system, the angle information of actual for rotatable The Cloud Terrace rotation can be returned to main control computer, thus still correctly can calculate the three-dimensional coordinate of point of discharge after ensure that the change of rotatable The Cloud Terrace, realize accurately locating.

Description

Based on the local discharge detection device of aerial array
Technical field
The utility model relates to a kind of local discharge detection device based on aerial array, belongs to electric power checkout equipment technical field.
Background technology
Power equipment, once there is shelf depreciation, will be lured that device interior produces the various faults such as insulation into, regional area can be caused time serious to have a power failure, and bring tremendous influence to resident living is stable with socio-economic development.Therefore, finding partial discharge phenomenon fast, accurately determining that there is positive effect at shelf depreciation position to getting rid of partial discharges fault in time.
Existing shelf depreciation live detection mainly adopts time delay localization method, the method is for poor effect during fault detection of local discharge, major embodiment is in the following areas: in (1) transformer station, electromagnetic interference (EMI) is strong, hinder the extraction of local discharge signal, measuring device with electricity antijamming capability is weak simultaneously, and detection sensitivity is low.(2) aerial array relative position is unreasonable, many times still occurs the situation of delay inequality deficiency, and cannot realize the accurate location to discharge part position, local, precision is low.
Utility model content
The purpose of this utility model is to overcome deficiency of the prior art, provides a kind of local discharge detection device based on aerial array, solves office in prior art and puts the technical matterss such as pick-up unit poor anti jamming capability, precision is on the low side.
For solving the problems of the technologies described above, the technical scheme that the utility model adopts is: based on the local discharge detection device of aerial array, comprise antenna mounting frame and be located at the aerial array on antenna mounting frame, described aerial array comprises four detection antennas, and four described detection antennas assume diamond in shape distribution; Described antenna mounting frame is installed on rotatable The Cloud Terrace by antenna holder;
Detect antenna and be connected main control computer by signal acquiring system, data handling system with data transmission system successively;
Described rotatable The Cloud Terrace is connected with cloud platform control system, cloud platform control system comprise control The Cloud Terrace rotate drive motor, for gathering the angle return system of the rotatable The Cloud Terrace anglec of rotation;
Aerial array detects the electromagnetic wave signal that shelf depreciation gives off, convert thereof into voltage signal and export signal acquiring system to, signal acquiring system converts voltage signal to digital signal, and export that data handling system carries out arranging to, computing and orderly storage, transfer to main control computer finally by data transmission system;
Main control computer exports control data as calculated, cloud platform control system exports and controls drive motor after control data being decoded, and controls rotatable The Cloud Terrace and rotates, the The Cloud Terrace rotation angle information of main control computer receiving angle return system passback simultaneously, realizes point of discharge location.
In the rhombus that four described detection antennas surround, less interior angle is 60 °.
Described antenna mounting frame is also provided with the video camera putting a picture for the office of acquisition.
Described antenna mounting frame comprises cross bar and vertical pole, and cross bar and the orthogonal decile of vertical pole, described video camera is installed on the point of crossing of cross bar and vertical pole.
The plane at the rhombus place that four described detection antennas surround is inclined upwardly, and is 70 ° with the angle of surface level.
Described detection antenna is directed UHF-antenna.
Compared with prior art, the beneficial effect that the utility model reaches is: do not changing in antenna height situation, and aerial array adopts diamond-shaped plan arrangement, and delay inequality is maximum, and degree of accuracy is the highest; Be provided with angle return system, the angle information of actual for rotatable The Cloud Terrace rotation can be returned to main control computer, calculate each equipment variations position in aerial array thus, thus after ensure that the change of rotatable The Cloud Terrace, still correctly can calculate the three-dimensional coordinate of point of discharge, realize accurately locating; Installed video camera, a picture is put in Real-time Collection office, realizes point of discharge visual; By control the rotation of The Cloud Terrace adjust detection side to, increase substantially the sensitivity of non-positive dirction discharge examination, aerial array has 70 ° of elevations angle simultaneously, effectively can solve the problem of background return interference; Select directed UHF-antenna, good directionality, volume are little, largely can avoid electromagnetic interference (EMI).
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is schematic block circuit diagram of the present utility model.
In figure: 1a, cross bar; 1b, vertical pole; 2, antenna holder; S1, S2, S3, S4: detect antenna; 3, video camera.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further described.Following examples only for clearly the technical solution of the utility model being described, and can not limit protection domain of the present utility model with this.
As shown in Figure 1, based on the local discharge detection device of aerial array, comprise antenna mounting frame, antenna mounting frame is installed in rotatable The Cloud Terrace (not shown) by antenna holder 2.Antenna mounting frame is made up of cross bar 1a and vertical pole 1b, cross bar 1a and the orthogonal decile of vertical pole 1b, and both are fixedly connected with relatively.Video camera 3 is installed on the cross-point locations place of cross bar 1a and vertical pole 1b, for gathering the image of point of discharge, realizes point of discharge visual.
Aerial array comprises four detection antennas S1, S2, S3, S4, and four detection antennas S1, S2, S3, S4 assume diamond in shape distribution, wherein detects the two ends that antenna S1, S4 are located at vertical pole 1b respectively, detects the two ends that antenna S2, S3 are located at cross bar 1a respectively.In the rhombus that four detection antennas S1, S2, S3, S4 surround, less interior angle is 60 °, namely be positioned at detection antenna S1 on vertical pole 1b respectively with detection antenna S2, S3 line being positioned at cross bar 1a two ends, angle α between two lines is 60 °, design a simulation software, do not changing in antenna height situation, compared by the result emulated the different disposing way of aerial array, confirming to detect antenna (acute angle the is 60 °) arrangement that assumes diamond in shape is the maximum arrangement mode of the delay inequality of point of discharge and each antenna.
For solving the problem of background return interference further, the plane at the rhombus place that four detection antennas surround is inclined upwardly, and is 70 ° with the angle of surface level, and namely in figure, β angle is 70 °.
Detect the directed UHF-antenna that antenna S1, S2, S3, S4 select good directionality, volume little.
As shown in Figure 2, be schematic block circuit diagram of the present utility model, aerial array is connected main control computer by signal acquiring system, data handling system with data transmission system successively.Main control computer also connects cloud platform control system by data transmission system, and cloud platform control system comprises the drive motor of control The Cloud Terrace rotation and the angle return system for gathering the rotatable The Cloud Terrace anglec of rotation.Main control computer being also connected with human-computer interaction device, comprising keyboard, display, mouse etc., for receiving manual command, and being sent to relevant device after process.
During work, detect the electromagnetic wave signal that antenna detection shelf depreciation gives off, convert thereof into voltage signal and export signal acquiring system to, signal acquiring system converts voltage signal to digital signal, and export that data handling system carries out arranging to, computing and orderly storage, transfer to main control computer finally by data transmission system; Main control computer exports control data as calculated, cloud platform control system exports and controls drive motor after control data being decoded, and controls rotatable The Cloud Terrace and rotates, the The Cloud Terrace rotation angle information of main control computer receiving angle return system passback simultaneously, realizes point of discharge location.
The above is only preferred implementation of the present utility model; should be understood that; for those skilled in the art; under the prerequisite not departing from the utility model know-why; can also make some improvement and distortion, these improve and distortion also should be considered as protection domain of the present utility model.

Claims (6)

1. based on the local discharge detection device of aerial array, it is characterized in that, comprise antenna mounting frame and be located at aerial array on antenna mounting frame, described aerial array comprises four detection antennas, and four described detection antennas assume diamond in shape distribution; Described antenna mounting frame is installed on rotatable The Cloud Terrace by antenna holder;
Detect antenna and be connected main control computer by signal acquiring system, data handling system with data transmission system successively;
Described rotatable The Cloud Terrace is connected with cloud platform control system, cloud platform control system comprise control The Cloud Terrace rotate drive motor, for gathering the angle return system of the rotatable The Cloud Terrace anglec of rotation;
Aerial array detects the electromagnetic wave signal that shelf depreciation gives off, convert thereof into voltage signal and export signal acquiring system to, signal acquiring system converts voltage signal to digital signal, and export that data handling system carries out arranging to, computing and orderly storage, transfer to main control computer finally by data transmission system;
Main control computer exports control data as calculated, cloud platform control system exports and controls drive motor after control data being decoded, and controls rotatable The Cloud Terrace and rotates, the The Cloud Terrace rotation angle information of main control computer receiving angle return system passback simultaneously, realizes point of discharge location.
2. the local discharge detection device based on aerial array according to claim 1, is characterized in that, in the rhombus that four described detection antennas surround, less interior angle is 60 °.
3. the local discharge detection device based on aerial array according to claim 1, is characterized in that, described antenna mounting frame is also provided with the video camera putting a picture for the office of acquisition.
4. the local discharge detection device based on aerial array according to claim 3, is characterized in that, described antenna mounting frame comprises cross bar and vertical pole, and cross bar and the orthogonal decile of vertical pole, described video camera is installed on the point of crossing of cross bar and vertical pole.
5. the local discharge detection device based on aerial array according to claim 1, is characterized in that, the plane at the rhombus place that four described detection antennas surround is inclined upwardly, and is 70 ° with the angle of surface level.
6. the local discharge detection device based on aerial array according to claim 1, is characterized in that, described detection antenna is directed UHF-antenna.
CN201520089359.0U 2015-02-09 2015-02-09 Based on the local discharge detection device of aerial array Expired - Fee Related CN204462315U (en)

Priority Applications (1)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105807181A (en) * 2016-03-07 2016-07-27 南方电网科学研究院有限责任公司 Automatic locating method and device for discharge source
CN108362983A (en) * 2018-02-08 2018-08-03 华北电力大学 Substation areas of transformer station shelf depreciation space intelligent positioning device and method
CN109143376A (en) * 2018-08-13 2019-01-04 浙江大学 A kind of panorama electromagnetism optical fusion imaging system and method
CN112986768A (en) * 2021-03-22 2021-06-18 保定天威保变电气股份有限公司 Partial discharge positioning device and method

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105807181A (en) * 2016-03-07 2016-07-27 南方电网科学研究院有限责任公司 Automatic locating method and device for discharge source
CN105807181B (en) * 2016-03-07 2018-11-30 南方电网科学研究院有限责任公司 Discharge source automatic positioning method and device
CN108362983A (en) * 2018-02-08 2018-08-03 华北电力大学 Substation areas of transformer station shelf depreciation space intelligent positioning device and method
CN108362983B (en) * 2018-02-08 2020-05-26 华北电力大学 Intelligent positioning device and method for substation area partial discharge space of transformer substation
CN109143376A (en) * 2018-08-13 2019-01-04 浙江大学 A kind of panorama electromagnetism optical fusion imaging system and method
CN112986768A (en) * 2021-03-22 2021-06-18 保定天威保变电气股份有限公司 Partial discharge positioning device and method
CN112986768B (en) * 2021-03-22 2022-03-15 保定天威保变电气股份有限公司 Partial discharge positioning device and method

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CF01 Termination of patent right due to non-payment of annual fee
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Granted publication date: 20150708

Termination date: 20170209