CN202710705U - Pollution flashover arc monitoring system for high-voltage transmission and transformation lines - Google Patents
Pollution flashover arc monitoring system for high-voltage transmission and transformation lines Download PDFInfo
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- CN202710705U CN202710705U CN201220418259.4U CN201220418259U CN202710705U CN 202710705 U CN202710705 U CN 202710705U CN 201220418259 U CN201220418259 U CN 201220418259U CN 202710705 U CN202710705 U CN 202710705U
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Abstract
The utility model relates to the field of arc light detection, especially to a pollution flashover monitoring system for high-voltage transmission and transformation lines. The monitoring system comprises a controller and probe systems, wherein each probe system comprises a housing, an installation hole is arranged in the housing, a center line of the installation hole extends in a back and forth direction, an optical filter, a photomultiplier, a high-voltage power supply module and an amplification circuit are successively arranged from front to back in the installation hole, and a lens is arranged on the housing in the front end of the installation hole. When the pollution flashover monitoring system for high-voltage transmission and transformation lines of the utility model is used, firstly the lens is used to receive an external light source, the light source passes through the lens and reaches the optical filter, and the optical filter filters visible lights in arc lights or interference lights and allows only ultraviolet lights to pass; and after the ultraviolet lights which have passed the optical filter are amplified by the photomultiplier, the intensity of the ultraviolet lights is greatly improved; thus, the ultraviolet lights can be identified by the controller, and furthermore, early stage monitoring of pollution flashover phenomena in power transmission lines can be realized.
Description
Technical field
The utility model relates to the arclight detection field, especially a kind of high-voltage power transmission line road pollution flashover electric arc monitoring systems.
Background technology
Insulator plays two basic roles in overhead transmission line, i.e. support wire and prevent that electric current from returning ground.Yet, transmission line of electricity and transformer station require its external insulation equal energy reliability service under atmospheric over-voltage, internal overvoltage and long-time running voltage, but the pollution layer that is deposited on insulator surface descends to tend to greatly to reduce the electrical strength of insulator in the effect of the bad weather conditions such as rain, snow, dew, the pollution flashover phenomenon appears, i.e. the process of local arc stretching, extension; Be arc grounding when developing into whole insulator edge flashing, will make system form the arc grounding superpotential, can make again other the heavy equipment generation pollution flashover of pollution layer and form two-phase (three-phase) ground short circuit and trip.Do not eliminate in the condition of bringing out pollution flashover such as temperature, humidity, mist, sleet and pollution layer etc., dielectric insulation intensity is still in the unrecovered situation, again automatic closing or send by force moment of combined floodgate, just again switching overvoltage can appear, this moment, the electric arc at pollution flashover place might be restriked, and caused insulator to burst or impelled other places pollution flashover to occur again.Finally may cause the electric system external insulation that the flashover arclight occurs under the superpotential effect, and under long-time running voltage, pollution flashover occur, cause power outage, use and the operation life of infringement whole piece circuit.Therefore early monitoring and prevention work are to prevent one of of paramount importance means of large tracts of land pollution flashover.
Yet, the arclight that occurs in the pollution flashover phenomenon often is comparatively faint ultraviolet light, and the probe of optical detection system of the prior art often only can catch detection to visible light, even perhaps can detect arclight, because arclight is comparatively faint, also can't detect by follow-up system, therefore the detection of arclight is also rested on the stage that the seizure to arclight detects, in other words, can realize the seizure of arclight is detected, just realize early monitoring and prevention to large tracts of land pollution flashover phenomenon.
Summary of the invention
The purpose of this utility model is to provide a kind of high-voltage power transmission line road pollution flashover electric arc monitoring systems, to realize the early monitoring to the pollution flashover phenomenon in the transmission line of electricity by the detection arclight.
In order to address the above problem, high-voltage power transmission line of the present utility model road pollution flashover electric arc monitoring systems is by the following technical solutions: high-voltage power transmission line road pollution flashover electric arc monitoring systems, comprise controller and the probe system that is connected with described controller, probe system comprises shell, be provided with mounting hole in the described shell, the center line of described mounting hole extends along fore-and-aft direction, be disposed with from front to back optical filter, photomultiplier, high-voltage power module module and amplifying circuit in the mounting hole, shell also is provided with lens at the front port place of mounting hole.
Also comprise support, described support comprises runners, and runners is provided with pillar and is hinged with a connecting link on pillar, and the shell away from an end of pillar and probe system of described connecting link is hinged.
Described lens are wide-angle lens.
Described shell is the permalloy shell.
Described controller also is connected with display.
Described photomultiplier comprises body, in the described body from front to back be provided with successively photocathode, focusing electrode, at least one dynode and anode.
Because high-voltage power transmission line of the present utility model road pollution flashover electric arc monitoring systems is disposed with optical filter, photomultiplier, high-pressure modular and amplifying circuit from front to back in the mounting hole of its shell, shell also is provided with lens at the front port place of mounting hole; Therefore, in use, can at first receive outside light source by described lens, when light source sees through lens to the optical filter place, optical filter is with the visible light filtering in arclight or the stray light, ultraviolet light is passed through, greatly increase by intensity after the described photomultiplier amplification of the ultraviolet light process of optical filter, high-pressure modular is as power supply and the amplifying circuit of photomultiplier, be used for the voltage signal that the microampere order current signal that photomultiplier is faint is enlarged into the millivolt level, thereby can identify for described controller, and then realization is to the early monitoring of the pollution flashover phenomenon in the transmission line of electricity.
Further, the support when described support can be used as system works, the mode that support adopts runners to cooperate with connecting link can realize lifting and the pitching action of shell, the attitude regulation when making things convenient for system works easily; Lens adopt wide-angle lens can increase the sensing range of system; Permalloy is a kind of magnetic shielding material, adopts the shell maskable electromagnetic field of permalloy material to the interference of photomultiplier.
Description of drawings
Fig. 1 is the use view of the embodiment 1 of high-voltage power transmission line of the present utility model road pollution flashover electric arc monitoring systems;
Fig. 2 is the structural representation of the probe system among Fig. 1;
Fig. 3 is the structural representation of the photomultiplier among Fig. 2.
Embodiment
The embodiment 1 of high-voltage power transmission line of the present utility model road pollution flashover electric arc monitoring systems, as Figure 1-3, comprise controller 101, controller 101 is used for identifying the light source of sending into wherein, it is prior art, can be as required commercial and get, it will not go into details herein, and controller 101 has been connected with probe system 102, probe system 102 comprises shell 11, in the present embodiment, shell 11 is cylindrical and be the permalloy material, is provided with mounting hole in the shell 11, the center line of mounting hole extends along fore-and-aft direction, front port place at mounting hole on the shell 11 is equipped with lens 12, and lens 12 are wide-angle lens, adopts wide-angle lens can increase the sensing range of system; Be equipped with successively from front to back optical filter 13 in the mounting hole, photomultiplier 14, high-voltage power module 15, with amplifying circuit 16, the voltage range of high-voltage power module is-500～-1000VDC, wherein optical filter 13 is for the visible light filtering with arclight or stray light, ultraviolet light is passed through, photomultiplier 14 is used for after filtration, and the ultraviolet light of mating plate 13 amplifies and gains in strength, the structure of photomultiplier 14 as shown in Figure 2, comprise body 14-1, in the body from front to back be provided with successively photocathode 14-2, focusing electrode 14-3, four dynode 14-4 and anode 14-5, structure and the purposes of photomultiplier 14 each several parts are prior art, and it will not go into details herein; Be connected with a support on the shell 11, support comprises runners 17, the upper side of runners 17 is provided with a pillar 18, the upper articulation of pillar 18 has a connecting link 19, the counter structure away from arranging on an end of pillar 18 and the shell 11 of connecting link 19 is hinged, in use, can regulate the height of shell around the rotation of the pin joint of itself and pillar by connecting link, regulate the luffing angle of shell by shell around the rotation of the pin joint of itself and connecting link.This system can be used for catching and amplifies ultraviolet light in the arclight, thereby can cooperate to come with controller the arclight in the transmission line of electricity be monitored, show the live telecast of arclight by existing display, and then realize the early monitoring to the pollution flashover phenomenon in the transmission line of electricity.Controller 101 is connected with master server, data-carrier store and remote control computer 103 by Ethernet, can realize concentrated remote real time monitoring and control to transmission line of electricity by these devices.
In other embodiment of high-voltage power transmission line of the present utility model road pollution flashover electric arc monitoring systems, the profile of the shell described in above-described embodiment 1 can also be unrestricted, and the specification that only needs to guarantee described mounting hole gets final product.
Claims (6)
1. high-voltage power transmission line road pollution flashover electric arc monitoring systems, it is characterized in that, comprise controller and the probe system that is connected with described controller, probe system comprises shell, be provided with mounting hole in the described shell, the center line of described mounting hole extends along fore-and-aft direction, is disposed with from front to back optical filter, photomultiplier, high-voltage power module and amplifying circuit in the mounting hole, and shell also is provided with lens at the front port place of mounting hole.
2. high-voltage power transmission line according to claim 1 road pollution flashover electric arc monitoring systems, it is characterized in that, also comprise support, described support comprises runners, runners is provided with pillar and is hinged with a connecting link on pillar, and the shell away from an end of pillar and probe system of described connecting link is hinged.
3. high-voltage power transmission line according to claim 1 road pollution flashover electric arc monitoring systems is characterized in that described lens are wide-angle lens.
4. high-voltage power transmission line according to claim 1 road pollution flashover electric arc monitoring systems is characterized in that described shell is the permalloy shell.
5. high-voltage power transmission line according to claim 1 road pollution flashover electric arc monitoring systems is characterized in that described controller is connected with master server, data-carrier store and remote control computer by Ethernet.
6. each described high-voltage power transmission line road pollution flashover electric arc monitoring systems is characterized in that described photomultiplier comprises body according to claim 1-5, in the described body from front to back be provided with successively photocathode, focusing electrode, at least one dynode and anode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220418259.4U CN202710705U (en) | 2012-08-22 | 2012-08-22 | Pollution flashover arc monitoring system for high-voltage transmission and transformation lines |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220418259.4U CN202710705U (en) | 2012-08-22 | 2012-08-22 | Pollution flashover arc monitoring system for high-voltage transmission and transformation lines |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202710705U true CN202710705U (en) | 2013-01-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220418259.4U Expired - Lifetime CN202710705U (en) | 2012-08-22 | 2012-08-22 | Pollution flashover arc monitoring system for high-voltage transmission and transformation lines |
Country Status (1)
| Country | Link |
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| CN (1) | CN202710705U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103777125A (en) * | 2014-02-20 | 2014-05-07 | 福建汇兴智能化科技有限公司 | Pollution flashover detection device and method |
| CN104237746A (en) * | 2013-06-13 | 2014-12-24 | 成都昊地科技有限责任公司 | Partial discharge detector used for electrical equipment |
-
2012
- 2012-08-22 CN CN201220418259.4U patent/CN202710705U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104237746A (en) * | 2013-06-13 | 2014-12-24 | 成都昊地科技有限责任公司 | Partial discharge detector used for electrical equipment |
| CN103777125A (en) * | 2014-02-20 | 2014-05-07 | 福建汇兴智能化科技有限公司 | Pollution flashover detection device and method |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 450001 Henan city of Zhengzhou province high tech Industrial Development Zone Long Chun Road No. 10 Patentee after: GLTECH Co.,Ltd. Address before: 450001 Henan city of Zhengzhou province high tech Industrial Development Zone Long Chun Road No. 10 Patentee before: ZHEJIANG GUANGLI TECH DEVELOPMENT Co.,Ltd. |
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| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130130 |