CN204359897U - Kapillary is utilized to measure the device of high-tension electricity creeping discharge medium temperature in electric system - Google Patents
Kapillary is utilized to measure the device of high-tension electricity creeping discharge medium temperature in electric system Download PDFInfo
- Publication number
- CN204359897U CN204359897U CN201420779786.7U CN201420779786U CN204359897U CN 204359897 U CN204359897 U CN 204359897U CN 201420779786 U CN201420779786 U CN 201420779786U CN 204359897 U CN204359897 U CN 204359897U
- Authority
- CN
- China
- Prior art keywords
- fixed electorde
- pressure side
- earth terminal
- electrode
- glass capillary
- 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
Links
- 230000005611 electricity Effects 0.000 title claims abstract description 16
- 239000011521 glass Substances 0.000 claims abstract description 43
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims abstract description 37
- 229910052721 tungsten Inorganic materials 0.000 claims abstract description 37
- 239000010937 tungsten Substances 0.000 claims abstract description 37
- 238000007599 discharging Methods 0.000 claims description 11
- 230000001105 regulatory effect Effects 0.000 claims description 4
- 235000020934 caloric restriction Nutrition 0.000 claims description 3
- 230000003319 supportive effect Effects 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000005259 measurement Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000523 sample Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
Landscapes
- Discharge Heating (AREA)
Abstract
The utility model discloses in electric system the device utilizing kapillary to measure high-tension electricity creeping discharge medium temperature, this device comprises thermal infrared imager, high-pressure side fixed electorde, earth terminal fixed electorde, tungsten pin electrode, glass capillary and insulating support rod, high-pressure side fixed electorde is electrically connected with the high-pressure side of high-tension circuit, earth terminal fixed electorde is electrically connected with the earth terminal of high-tension circuit, the two ends of insulating support rod respectively with high-pressure side fixed electorde, earth terminal fixed electorde is connected, glass capillary is vertically placed on earth terminal fixed electorde, tungsten pin electrode is also vertically arranged, the upper end of tungsten pin electrode is electrically connected with high-pressure side fixed electorde, lower end is inserted in glass capillary, and and leave gap between the tube wall of glass capillary, the placement location of thermal infrared imager is corresponding with the position that tungsten pin electrode inserts glass capillary.This apparatus structure is simple, can measure creeping discharge medium temperature.
Description
Technical field
The utility model relates in electric system the equipment measuring high-tension electricity creeping discharge medium temperature, specifically refers in electric system the device utilizing kapillary to measure high-tension electricity creeping discharge medium temperature.
Background technology
In electric system, such as insulator arrangement creeping discharge and dielectric surface have very big relation, its thermal effect is also an important mechanism, but due to the dispersiveness of creeping distance, be difficult to the medium temperature distribution measuring creeping discharge, be also difficult to do quantitative examination to its thermal effect.
Existing method is at a plane and open space measurement, does not consider the dissipation of heat, the dispersion in path, therefore cannot do quantitative measurment.
Utility model content
The purpose of this utility model is to provide in electric system the device utilizing kapillary to measure high-tension electricity creeping discharge medium temperature, and this apparatus structure is simple, can measure creeping discharge medium temperature.
Above-mentioned purpose of the present utility model realizes by following technical solution: utilize kapillary to measure the device of high-tension electricity creeping discharge medium temperature in electric system, it is characterized in that: this device comprises thermal infrared imager, high-pressure side fixed electorde, earth terminal fixed electorde, tungsten pin electrode, glass capillary and insulating support rod, described high-pressure side fixed electorde is arranged on top, be electrically connected by high-voltage conducting wires with the high-pressure side of high-tension circuit, described earth terminal fixed electorde is arranged on bottom, be electrically connected by earth lead with the earth terminal of high-tension circuit, described insulating support rod is at least two, insulating support rod is vertically arranged, two ends respectively with described high-pressure side fixed electorde, earth terminal fixed electorde is connected, play a supportive role, described glass capillary is vertically placed on described earth terminal fixed electorde, described tungsten pin electrode is also vertically arranged, and the center line of tungsten pin electrode and the center line of glass capillary coincide, the upper end of tungsten pin electrode is electrically connected with high-pressure side fixed electorde, lower end is inserted in glass capillary, and and leave gap between the tube wall of glass capillary, the placement location of described thermal infrared imager is corresponding with the position that tungsten pin electrode inserts glass capillary, discharging distance d is left between the lower end of described tungsten pin electrode and earth terminal fixed electorde, described tungsten pin electrode can discharge when high-tension circuit is connected, the caloric restriction that electric discharge produces is in glass capillary, the distribution situation of creeping discharge medium temperature is reflected by the temperature of infrared heat image instrument measuring glass capillary outer wall.
In the utility model, the internal diameter of described glass capillary is 1.1mm, and the diameter of described tungsten pin electrode is 1mm.
In the utility model, described high-pressure side fixed electorde is the discoidal electrode of horizontally set, and described earth terminal fixed electorde is the electrode of the circular plate type of horizontally set.
In the utility model, described insulating support rod is two or three or four.
The utility model can do following improvement: also have additional columniform high-pressure side between the upper end of described tungsten pin electrode and high-pressure side fixed electorde and regulate electrode, described high-pressure side regulates electrode to be connected with the upper end of high-pressure side fixed electorde with tungsten pin electrode respectively, the earth terminal also having additional circular plate type between described glass capillary and earth terminal fixed electorde regulates on electrode, regulates electrode and earth terminal to regulate electrode to regulate discharging distance d by the high-pressure side set up.
Described discharging distance d is within the scope of 2mm ~ 15mm.
Described earth terminal regulates between electrode and earth terminal fixed electorde and is threaded connection.
Described high-pressure side regulates between electrode and high-pressure side fixed electorde and is threaded connection.
High-tension circuit in the utility model refers to the high-tension circuit of 6000 volts to 20000 volts
General closed planar and open creeping discharge form are changed into the creeping discharge in glass capillary by device of the present utility model, and the heat that electric discharge produces can temporarily be limited in this restricted clearance, is convenient to thermal infrared imager and measures in time, and can do quantitative measurment.
The glass capillary of diameter 1.1 millimeters is enclosed within outside the tungsten pin electrode of diameter 1 millimeter by the utility model, and the wedge angle of tungsten pin electrode can wear into difformity to simulate difference " three knots " structure, and " three knots " refers to electrode, medium and air.Tungsten pin electrode does high-field electrode, and the plate electrode below glass capillary is as ground-electrode.Creeping discharge medium temperature distribution situation is reflected by utilizing the temperature of infrared heat image instrument measuring glass capillary outer wall.In addition, be provided with the height-adjustable disc electrode of earth terminal and the height-adjustable cylinder electrode of high-pressure side, make discharging gap adjustable.
Compared with prior art, general closed planar and open creeping discharge form are changed into the creeping discharge in glass capillary by the utility model, and the heat that electric discharge produces can temporarily be limited in this restricted clearance, can do quantitative measurment to creeping discharge medium temperature.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the utility model is described in further details.
Fig. 1 is the one-piece construction schematic diagram of the utility model device;
Fig. 2 is the using state reference diagram of the utility model device;
Fig. 3 is the capillary wall medium temperature distribution plan adopting the utility model measurement device to obtain, and in figure, horizontal ordinate represents the distance of glass capillary to earth terminal fixed electorde, and unit is millimeter, and ordinate represents temperature value, and unit is degree Celsius.
Description of reference numerals
1, high-pressure side fixed electorde; 2, high-pressure side regulates electrode; 3, tungsten pin electrode; 4, glass capillary;
5, earth terminal regulates electrode; 6, earth terminal fixed electorde; 7, insulating support rod; 8, high-voltage probe;
9, oscillograph; 10, resistance; 11, thermal infrared imager
Embodiment
As Fig. 1, kapillary is utilized to measure the device of high-tension electricity creeping discharge medium temperature in electric system shown in Fig. 2, this device comprises thermal infrared imager 11, high-pressure side fixed electorde 1, earth terminal fixed electorde 6, tungsten pin electrode 3, glass capillary 4 and insulating support rod 7, high-pressure side fixed electorde 1 is the discoidal electrode of horizontally set, earth terminal fixed electorde 6 is the electrode of the circular plate type of horizontally set, high-pressure side fixed electorde 1 is arranged on top, be electrically connected by high-voltage conducting wires with the high-pressure side of high-tension circuit, earth terminal fixed electorde 6 is arranged on bottom, be electrically connected by earth lead with the earth terminal of high-tension circuit, insulating support rod 7 is two, symmetrically shape is arranged, insulating support rod 7 is vertically arranged, two ends respectively with high-pressure side fixed electorde 1, earth terminal fixed electorde 6 is connected, play a supportive role.
Glass capillary 4 is vertically placed on earth terminal fixed electorde 6, tungsten pin electrode 3 is also vertically arranged, and the center line of the center line of tungsten pin electrode 3 and glass capillary 4 coincides, the internal diameter of glass capillary 4 is 1.1mm, the diameter of tungsten pin electrode 3 is 1mm, the upper end of tungsten pin electrode 3 is electrically connected with high-pressure side fixed electorde 1, lower end is inserted in glass capillary 4, and and leave minimum gap between the tube wall of glass capillary 4, one-sided gap is 0.05mm, the placement location of thermal infrared imager 11 is corresponding with the position that tungsten pin electrode 3 inserts glass capillary 4, there is between thermal infrared imager 11 and glass capillary 4 rectilineal interval L, this rectilineal interval L is 50cm, discharging distance d is left between the lower end of tungsten pin electrode 3 and earth terminal fixed electorde 6, this discharging distance d is 6mm, tungsten pin electrode 3 can discharge when high-tension circuit is connected, the caloric restriction that electric discharge produces is in glass capillary 4, the temperature measuring glass capillary 4 outer wall by thermal infrared imager 11 reflects the distribution situation of creeping discharge medium temperature, this profiling temperatures has reacted the power of high-voltage electrical discharges.
Can adjust to make discharging distance d, the present embodiment also has additional columniform high-pressure side and regulates electrode 2 between the upper end of tungsten pin electrode 3 and high-pressure side fixed electorde 1, high-pressure side regulates electrode 2 to be connected with the upper end of high-pressure side fixed electorde 1 with tungsten pin electrode 3 respectively, high-pressure side regulates between electrode 2 and high-pressure side fixed electorde 1 and is threaded connection, also can electrode 2 be directly regulated by high-pressure side to be inserted on high-pressure side fixed electorde 1, the earth terminal also having additional circular plate type between glass capillary 4 and earth terminal fixed electorde 6 regulates on electrode 5, earth terminal regulates between electrode 5 and earth terminal fixed electorde 6 and is threaded connection, also can by both grafting, electrode 2 and earth terminal is regulated to regulate electrode 5 to regulate discharging distance d by the high-pressure side set up.The high-pressure side set up regulates electrode 2 also can regard a part for high-pressure side fixed electorde 1 as, and the earth terminal set up regulates electrode 5 also can regard a part for earth terminal fixed electorde 6 as.
As the conversion of the present embodiment, also high-pressure side can be regulated electrode 2 and earth terminal to regulate electrode 5 to remove, directly adopt high-pressure side fixed electorde 1 and earth terminal fixed electorde 6, equally can measure to high-tension electricity creeping discharge medium temperature.
As the conversion of the present embodiment, rectilineal interval L can within the scope of 40cm ~ 60cm value.
As the conversion of the present embodiment, discharging distance d can within the scope of 2mm ~ 15mm value, the voltage according to circuit is selected.
As the conversion of the present embodiment, insulating support rod 7 is at least two, also can be three or four etc. many.
As shown in Figure 2, the device of the present embodiment accesses the high-tension circuit of 6000 volts in use, high-pressure side fixed electorde 1 is electrically connected by high-voltage conducting wires with the high-pressure side of high-tension circuit, earth terminal fixed electorde 6 is electrically connected by earth lead with the earth terminal of high-tension circuit, this device is adopted to measure high-tension electricity creeping discharge medium temperature, in high-tension circuit, high-voltage probe 8 accesses oscillograph 9 and measures impressed voltage, resistance 10 accesses oscillograph 9 and measures discharge current, and voltage and current is for monitoring discharge condition.
Fig. 3 is the tube wall medium temperature distribution plan adopting the utility model measurement device to obtain, and in figure, horizontal ordinate represents the distance of glass capillary to earth terminal fixed electorde, can obtain capillary wall medium temperature from Fig. 3.
Above-described embodiment of the present utility model is not the restriction to the utility model protection domain; embodiment of the present utility model is not limited thereto; all this kind is according to foregoing of the present utility model; according to ordinary technical knowledge and the customary means of this area; do not departing under the utility model above-mentioned basic fundamental thought prerequisite; to the amendment of other various ways that the utility model said structure is made, replacement or change, all should drop within protection domain of the present utility model.
Claims (6)
1. in electric system, utilize kapillary to measure the device of high-tension electricity creeping discharge medium temperature, it is characterized in that: this device comprises thermal infrared imager, high-pressure side fixed electorde, earth terminal fixed electorde, tungsten pin electrode, glass capillary and insulating support rod, described high-pressure side fixed electorde is arranged on top, be electrically connected by high-voltage conducting wires with the high-pressure side of high-tension circuit, described earth terminal fixed electorde is arranged on bottom, be electrically connected by earth lead with the earth terminal of high-tension circuit, described insulating support rod is at least two, insulating support rod is vertically arranged, two ends respectively with described high-pressure side fixed electorde, earth terminal fixed electorde is connected, play a supportive role, described glass capillary is vertically placed on described earth terminal fixed electorde, described tungsten pin electrode is also vertically arranged, and the center line of tungsten pin electrode and the center line of glass capillary coincide, the upper end of tungsten pin electrode is electrically connected with high-pressure side fixed electorde, lower end is inserted in glass capillary, and and leave gap between the tube wall of glass capillary, the placement location of described thermal infrared imager is corresponding with the position that tungsten pin electrode inserts glass capillary, discharging distance d is left between the lower end of described tungsten pin electrode and earth terminal fixed electorde, described tungsten pin electrode can discharge when high-tension circuit is connected, the caloric restriction that electric discharge produces is in glass capillary, the distribution situation of creeping discharge medium temperature is reflected by the temperature of infrared heat image instrument measuring glass capillary outer wall.
2. in electric system according to claim 1, utilize kapillary to measure the device of high-tension electricity creeping discharge medium temperature, it is characterized in that: described high-pressure side fixed electorde is the discoidal electrode of horizontally set, described earth terminal fixed electorde is the electrode of the circular plate type of horizontally set.
3. utilize kapillary to measure the device of high-tension electricity creeping discharge medium temperature in electric system according to claim 1, it is characterized in that: described insulating support rod is three or four.
4. in the electric system according to any one of claims 1 to 3, utilize kapillary to measure the device of high-tension electricity creeping discharge medium temperature, it is characterized in that: also have additional columniform high-pressure side between the upper end of described tungsten pin electrode and high-pressure side fixed electorde and regulate electrode, described high-pressure side regulates electrode to be connected with the upper end of high-pressure side fixed electorde with tungsten pin electrode respectively, the earth terminal also having additional circular plate type between described glass capillary and earth terminal fixed electorde regulates on electrode, electrode and earth terminal is regulated to regulate electrode to regulate discharging distance d by the high-pressure side set up.
5. utilize kapillary to measure the device of high-tension electricity creeping discharge medium temperature in electric system according to claim 4, it is characterized in that: described earth terminal regulates between electrode and earth terminal fixed electorde and is threaded connection.
6. utilize kapillary to measure the device of high-tension electricity creeping discharge medium temperature in electric system according to claim 4, it is characterized in that: described high-pressure side regulates between electrode and high-pressure side fixed electorde and is threaded connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420779786.7U CN204359897U (en) | 2014-12-10 | 2014-12-10 | Kapillary is utilized to measure the device of high-tension electricity creeping discharge medium temperature in electric system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420779786.7U CN204359897U (en) | 2014-12-10 | 2014-12-10 | Kapillary is utilized to measure the device of high-tension electricity creeping discharge medium temperature in electric system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204359897U true CN204359897U (en) | 2015-05-27 |
Family
ID=53261359
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420779786.7U Expired - Fee Related CN204359897U (en) | 2014-12-10 | 2014-12-10 | Kapillary is utilized to measure the device of high-tension electricity creeping discharge medium temperature in electric system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204359897U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104391235A (en) * | 2014-12-10 | 2015-03-04 | 广东电网有限责任公司电力科学研究院 | Device and method for measuring temperature of high voltage surface discharge medium by capillary tube in electrical power system |
| CN108110621A (en) * | 2017-12-15 | 2018-06-01 | 浙江工商大学 | The board-like high electric field elementary cell and reactor of a kind of anti-surface leakage |
| CN109856516A (en) * | 2019-03-21 | 2019-06-07 | 中国科学院电工研究所 | A kind of high frequency square wave dielectric discharge characteristic experimental apparatus |
-
2014
- 2014-12-10 CN CN201420779786.7U patent/CN204359897U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104391235A (en) * | 2014-12-10 | 2015-03-04 | 广东电网有限责任公司电力科学研究院 | Device and method for measuring temperature of high voltage surface discharge medium by capillary tube in electrical power system |
| CN108110621A (en) * | 2017-12-15 | 2018-06-01 | 浙江工商大学 | The board-like high electric field elementary cell and reactor of a kind of anti-surface leakage |
| CN108110621B (en) * | 2017-12-15 | 2019-11-26 | 浙江工商大学 | A kind of board-like high electric field basic unit and reactor of anti-surface leakage |
| CN109856516A (en) * | 2019-03-21 | 2019-06-07 | 中国科学院电工研究所 | A kind of high frequency square wave dielectric discharge characteristic experimental apparatus |
| CN109856516B (en) * | 2019-03-21 | 2021-01-08 | 中国科学院电工研究所 | High-frequency square wave dielectric medium discharge characteristic experimental device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103105568B (en) | Aging and the local discharge integrated experimental provision of transformer oil paper insulated electrothermic associating | |
| CN204359897U (en) | Kapillary is utilized to measure the device of high-tension electricity creeping discharge medium temperature in electric system | |
| CN205826142U (en) | A kind of spark gap temperature measurement on-line device | |
| CN105223528A (en) | A kind of adjustable cable shelf depreciation analogue means | |
| CN105486927A (en) | Measurement method for volume resistivity of solid insulating material | |
| KR101323316B1 (en) | Cryogenic insulation measuring device for superconducting cable | |
| CN205049252U (en) | Detection apparatus for GIS internal conductor overheating fault | |
| CN207249040U (en) | A kind of transformer adjustable clearance discharging model | |
| CN103149389B (en) | A kind of resistivity measurement fixture of silver alloy wire rod | |
| CN104391235A (en) | Device and method for measuring temperature of high voltage surface discharge medium by capillary tube in electrical power system | |
| CN108931689A (en) | It is a kind of for measuring the three-electrode structure of solid insulating material volume resistivity | |
| CN203965502U (en) | A kind of quick voltage-to-ground measuring instrument of relay protection of power system pressing plate | |
| CN203929894U (en) | Radio frequency connector megger test frock | |
| CN107591661B (en) | High-power impedance matching resistor connector | |
| CN203299229U (en) | Resistivity measuring clamp for silver alloy wire | |
| CN205789242U (en) | A kind of power cable semi-conductive layer resistivity test device | |
| CN205103317U (en) | Measurement device for solid insulating material volume resistivity | |
| CN103760478A (en) | High-repeatability standard creeping discharge model device | |
| CN203414560U (en) | Device detecting polarity of shearing sheet | |
| CN207636728U (en) | A kind of dc-battery internal resistance Acquisition Instrument of simplified four-wire method | |
| CN115524606A (en) | Temperature characteristic test system for gas insulated switchgear | |
| CN202119744U (en) | Simple testing device for transformer oil medium wastage rate | |
| CN203148992U (en) | Electrode assembly for testing pollution flashover voltage of composite insulator | |
| CN208255356U (en) | A kind of ultrasonic wave local discharge detection device | |
| CN204515018U (en) | Automatic change over circuit resistance tester |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20151201 Address after: 510080 Dongfeng East Road, Dongfeng, Guangdong, Guangzhou, Zhejiang Province, No. 8 Patentee after: ELECTRIC POWER RESEARCH INSTITUTE OF GUANGDONG POWER GRID Co.,Ltd. Address before: 510080 Dongfeng East Road, Dongfeng, Guangdong, Guangzhou, Zhejiang Province, No. 8 Patentee before: ELECTRIC POWER RESEARCH INSTITUTE OF GUANGDONG POWER GRID Co.,Ltd. Patentee before: Huazhong University of Science and Technology |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150527 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |