CN101825649B - Superpower remote control electric discharge device - Google Patents

Superpower remote control electric discharge device Download PDF

Info

Publication number
CN101825649B
CN101825649B CN2009102223766A CN200910222376A CN101825649B CN 101825649 B CN101825649 B CN 101825649B CN 2009102223766 A CN2009102223766 A CN 2009102223766A CN 200910222376 A CN200910222376 A CN 200910222376A CN 101825649 B CN101825649 B CN 101825649B
Authority
CN
China
Prior art keywords
discharge
lifting unit
remote control
resistance
superpower
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
CN2009102223766A
Other languages
Chinese (zh)
Other versions
CN101825649A (en
Inventor
陈忠
陈禾
骆晓龙
耿春光
周鸿彬
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.)
Extra High Voltage Power Transmission Co
Super High Transmission Co of China South Electric Net Co Ltd
Original Assignee
Extra High Voltage Power Transmission Co
Super High Transmission Co of China South Electric Net Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Extra High Voltage Power Transmission Co, Super High Transmission Co of China South Electric Net Co Ltd filed Critical Extra High Voltage Power Transmission Co
Priority to CN2009102223766A priority Critical patent/CN101825649B/en
Publication of CN101825649A publication Critical patent/CN101825649A/en
Application granted granted Critical
Publication of CN101825649B publication Critical patent/CN101825649B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Testing Relating To Insulation (AREA)

Abstract

The invention discloses a superpower remote control electric discharge device for carrying out electric discharging on a capacitive sample, comprising a contact conductor, a discharge resistor and a lifting unit, wherein one end of the discharge resistor is connected with the contact conductor, while the other end of the discharge resister is connected with the earth; the lifting unit can be lifted and is separated from the discharge resistor; and the contact conductor is positioned on the top of the lifting unit. By adopting the device, workers can perform remote control to ensure personal safety and equipment safety; and the device has the advantages of simple structure, good effect and low manufacturing cost.

Description

Superpower remote control electric discharge device
Technical field
The present invention relates to a kind of superpower remote control electric discharge device, the superpower remote control electric discharge device that particularly a kind of high voltage power cable is used.
Background technology
The power cable withstand voltage test is most important one of the electric project of power cable; After the power cable withstand voltage test finishes; To residual charge in the cable core be released through nominal resistance,, will jeopardize the person and device security if it is not thorough not discharge or discharge.And existing at present electric discharge device such as Fig. 1; Also be called as discharging rod; The metal tip 2 that it comprises an insulating bar 1, be positioned at insulating bar 1 top is connected in series with metal tip 2 with an end and is fixed on the discharge resistance 3 on the insulating bar 1 and is connected and connects the lead 4 of the earth with the other end of discharge resistance 3, and the staff is through holding insulating bar 3 near capicitive sample 5, and capicitive sample typically refers to bigger consumer of electric capacity or cable; Make metal tip 2 contact capicitive samples 5 also discharge; Its trial voltage is usually all less than 100KV, and sparking voltage is at 10KV-20KV, and discharge power generally can only 0.1KW-0.2KW; And in the discharge normal fried phenomenon of head discharge resistance quilt that takes place of moment; Therefore the length of discharging rod carry out the discharge after the withstand voltage test for the subsea cable of big electric capacity test product of extra-high voltage that surpasses 100KV and long distance generally about 1 meter-3 meters, and existing discharging rod is to meet the demands.
Summary of the invention
The objective of the invention is to: provide a kind of subsea cable that is used for big electric capacity test product of extra-high voltage and long distance to carry out the superpower remote control electric discharge device that discharges after the withstand voltage test.
For reaching above-mentioned purpose; The present invention provides a kind of superpower remote control electric discharge device that capicitive sample is discharged of being used for; It comprises contact conductor, the end discharge resistance that the other end is connected with the earth with contacting that conductor is connected; It further comprises the lifting unit that can far control Pneumatic elevation and be separated with discharge resistance, the contact conductor be positioned at this lifting unit top and with the capicitive sample contact discharge.
For obtaining better effect, on the basis of such scheme, further comprise other attached technical scheme:
Lifting unit comprises a bottom cylindrical shell and the scalable upper sleeve that is set in the cylindrical shell of bottom at least, and wherein the diameter of bottom cylindrical shell is bigger than the diameter of upper sleeve, wherein contacts conductor and is positioned on the upper sleeve.
Its further comprise be used for fixing this lifting unit and movably support unit, be installed on this support unit and the power unit of lifting unit up-down power, the control panel of far distance controlled lifting unit be provided; And with discharge resistance series connection and according to the height of discharge current control lifting unit regulating the reometer that contact gap between conductor and the capicitive sample, wherein said contact conductor is 180 to spend and be positioned at this lifting unit top rotatably.
Power unit is an air pressure pump, on the bottom overall diameter of upper sleeve the rubber seal pipe is housed.
Discharge resistance adopts two economize on electricity resistance series connection, and its inner chamber is equipped with clean distilled water, and the insulating mat of differing heights is housed under every joint, and wherein the resistance of discharge resistance is 1.5M Ω/joint.
The bottom of support unit is equipped with several wheels, and it is used to adjust the position of said support unit and lifting unit.
Adopt technical scheme of the present invention, have the following advantages:
1) this electric discharge device discharge residual voltage is high, and the discharge cylindrical shell can bear voltage, and discharge resistance has enough power, can under 300KV residual voltage, 2.21C dump energy, discharge, only needs 5 minutes, as if then wanting 4-5 hour by prior art.
2) but staff's far distance controlled is guaranteed the person and device security.
3) simple in structure, effective, low cost of manufacture.
Description of drawings
Fig. 1 is the structural representation of prior art discharging rod.
Fig. 2 is the discharge circuit synoptic diagram that the present invention is applied to the power cable withstand voltage test.
Fig. 3 is the structural representation before superpower remote control electric discharge device of the present invention goes up and down.
Fig. 4 is the structural representation after superpower remote control electric discharge device of the present invention goes up and down.
Wherein: 1, insulating bar; 2, metal tip; 3,60, discharge resistance; 4, lead; 5,50, capicitive sample; 20, contact conductor; 30, support unit; 40, power unit; 102, bottom cylindrical shell; 104, upper sleeve; 106, rubber seal pipe; 70, control panel; 80, reometer; 90, insulating mat.
Embodiment
Following instance is to further specify of the present invention, rather than the restriction scope of invention.
Please refer to Fig. 2-4, the present invention provides a kind of superpower remote control electric discharge device that capicitive sample 50 is discharged of being used for.This superpower remote control electric discharge device comprises a liftable lifting unit 10, be positioned at lifting unit 10 tops and contact conductor 20 that can 180 degree rotations, be used for fixing this lifting unit 10 and movably support unit 30, be installed on this support unit 30 and the power unit 40 of up-down power be provided, contact the reometer 80 in gap between conductor 20 and the capicitive sample with adjusting with the control panel 70 that contact discharge resistance 60 that conductor 20 is connected in series through lead, far distance controlled lifting unit 10 and with discharge resistance 60 series connection and according to the height of discharge current control lifting unit 10.
Please refer to Fig. 2, it is the subsea cable (capicitive sample is equivalent to capacitor C x) of 7.368uF that this circuit is used for 500KV/30KM, electric capacity, carries out the withstand voltage test of every cable 775KV, and wherein power supply E is a high-voltage power supply, and it adopts the dc generator of 1200KV; R0 is zero increasing apparatus, and the resistance of current-limiting resistance R is 3M Ω.Wherein resistance R 1 is that high direct voltage is measured voltage divider with R2, and resistance is 1500M Ω, and is connected in parallel with capacitor C x, to constitute the self discharge loop that when K switch is broken off, forms.
Lifting unit 10 comprises telescopic two joint insulating epoxy cylindrical shells at least: bottom cylindrical shell 102 and upper sleeve 104; Wherein the diameter of bottom cylindrical shell 102 is bigger than the diameter of upper sleeve 104; Make upper sleeve 104 can fall into bottom cylindrical shell 102 very swimmingly like this, produce flexible effect thus.The top seal of top one joint cylindrical shell 104; And bottom one joint cylindrical shell 102 has a hole; Lifting unit adopts 4 joint insulating epoxy cylindrical shells in the present embodiment, and on the bottom overall diameter of every joint cylindrical shell rubber seal pipe 106 is housed, and the adjustable height of whole lifting unit is at least more than 8 meters thus.
Power unit 40 is to adopt air pressure pump at present embodiment, and the pressure through air is power, and the hole through bottom one joint cylindrical shell 102 is injected into the insulating epoxy cylinder lumen, utilizes air pressure that the more piece cylindrical shell is stretched out respectively.And the Electric Machine Control of air pressure pump is through rising and the decline of a wired or wireless mode by the staff's Long-distance Control lifting unit 10 that is positioned at the safety area, to regulate the gap between contact conductor 20 and the capicitive sample 50.Certainly power unit 40 also can adopt existing apparatus such as hydraulic means or gear shift to realize.
Discharge resistance 60 adopts two economize on electricity resistance series connection; The one of which end is connected with contact conductor 20, and 1 mechanical type pointer-type reometer connection the earth after 80s of other end series connection, reometer 80 is used to keep watch on discharge current; And regulate the gap between contact conductor 20 and the test product 50 according to the current value size; In fact to the discharge loop of capicitive sample 50 through this gap formation of connecting with discharge resistance 60, reometer 80, dwindle this gap and promptly increase discharge current, promptly reduce discharge current and increase this gap; Control discharge current thus, but reach the effect that rapid discharge also can be protected discharge resistance 60.Discharge resistance 60 adopts the epoxy resins insulation cylindrical shell of 300KV voltage, and inner chamber 90% volume is adorned clean distilled water, with bare copper wire water resistance is caused top post; Resistance value is 1.5M Ω/joint; Discharge power is the 15KW/ joint, and 2 joints are by 3M Ω/30KW, and voltage can bear 600KV; Pressure relief opening is equipped with at every joint top, makes provision against emergencies.Wherein discharge resistance 60 is independent of outside the lifting unit 10 to divide and is arranged, and scalable all is housed under every joint and has the insulating mat 90 of differing heights, requires increase and decrease resistance in series joint number according to test product voltage and discharge capacity.
The bottom of support unit 30 is equipped with several wheels, drives lifting unit 10 fast moving to testing the place to help support unit 30, and support unit 30 also is connected with the earth simultaneously.
Control panel 70 comprises that several are used to operate the button that lifting unit 10 goes up and down, and comprises wired or wireless communication unit, with the motor of control air compression pump.
Adopt the present invention, through the lifting unit 10 that the more piece cylindrical shell is provided with, can guarantee has enough height and dielectric level; Make it rise to the height that to discharge with remote control panel 70 operational power unit 40 again; Realize staff's far distance controlled electric discharge device thus, guarantee the person and device security, and simple in structure; Effective, low cost of manufacture.
The discharge data table of embodiment
Figure GSB00000744052800041
Though the present invention with preferred embodiment openly as above; But it is not in order to limiting the present invention, anyly is familiar with this technological people, is not breaking away from the spirit and scope of the present invention; All can do various changes and modification, so protection scope of the present invention should be as the criterion with what claims were defined.

Claims (4)

1. superpower remote control electric discharge device; It is used for capicitive sample is discharged; It is characterized in that it comprises: contact conductor (20), an end is connected with contact conductor (20) and discharge resistance (60) that the other end is connected with the earth, can far control Pneumatic elevation and a lifting unit (10) that is separated with discharge resistance (60), be used for fixing this lifting unit (10) also movably support unit (30), be installed on this support unit (30) and the power unit (40) of lifting unit (10) up-down power, the control panel (70) of far distance controlled lifting unit (10) be provided; And with discharge resistance (60) series connection and according to the height of discharge current control lifting unit (10) regulating the reometer (80) that contacts gap between conductor (20) and the capicitive sample, wherein said contact conductor (20) be positioned at this lifting unit (10) top and with the capicitive sample contact discharge; Said lifting unit (10) comprises a bottom cylindrical shell (102) and the scalable upper sleeve (104) that is set in the bottom cylindrical shell (102) at least; Wherein the diameter of bottom cylindrical shell (102) is bigger than the diameter of upper sleeve (104), and said contact conductor (20) is that 180 degree are positioned on the upper sleeve (104) rotatably.
2. superpower remote control electric discharge device according to claim 1 is characterized in that: said power unit (40) is an air pressure pump, and rubber seal pipe (106) is housed on the bottom overall diameter of upper sleeve (104).
3. superpower remote control electric discharge device according to claim 2; It is characterized in that: said discharge resistance (60) adopts two economize on electricity resistance series connection; Its inner chamber is equipped with clean distilled water, and the insulating mat (90) of differing heights is housed under every joint, and wherein the resistance of discharge resistance (60) is 1.5M Ω/joint.
4. according to claim 1 or 2 or 3 described superpower remote control electric discharge devices, it is characterized in that: the bottom of said support unit (30) is equipped with several wheels, and it is used to adjust the position of said support unit (30) and lifting unit (10).
CN2009102223766A 2009-11-16 2009-11-16 Superpower remote control electric discharge device Expired - Fee Related CN101825649B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2009102223766A CN101825649B (en) 2009-11-16 2009-11-16 Superpower remote control electric discharge device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2009102223766A CN101825649B (en) 2009-11-16 2009-11-16 Superpower remote control electric discharge device

Publications (2)

Publication Number Publication Date
CN101825649A CN101825649A (en) 2010-09-08
CN101825649B true CN101825649B (en) 2012-08-01

Family

ID=42689684

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2009102223766A Expired - Fee Related CN101825649B (en) 2009-11-16 2009-11-16 Superpower remote control electric discharge device

Country Status (1)

Country Link
CN (1) CN101825649B (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102570860A (en) * 2010-12-31 2012-07-11 海洋王照明科技股份有限公司 DC (direct current) high-voltage output circuit and high-voltage testing device
CN103777122B (en) * 2014-01-24 2017-05-24 符棠 Withstand voltage testing system and assembly method thereof
CN105552723A (en) * 2015-12-07 2016-05-04 北京无线电测量研究所 Visible portable high voltage discharge device
CN106872863B (en) * 2017-02-11 2019-06-25 南京瓦瑞电力科技有限公司 A kind of long-range electric discharge device of extra-high voltage
CN108717145A (en) * 2018-05-18 2018-10-30 沈阳工业大学 A kind of high-pressure installation electric discharge safety detection device and its control method
CN109030977B (en) * 2018-06-01 2021-01-26 北京新能源汽车股份有限公司 High-voltage wire breaking box and control method and control device thereof
CN110687405A (en) * 2019-09-02 2020-01-14 中国南方电网有限责任公司超高压输电公司检修试验中心 Discharging device and discharging method for direct-current withstand voltage test of seabed oil-filled cable
CN110907772B (en) * 2019-11-29 2021-08-20 国网天津市电力公司电力科学研究院 Batch discharging device for insulating test pieces
CN116559607A (en) * 2023-05-25 2023-08-08 华能澜沧江水电股份有限公司 Discharge device and discharge method

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2151469Y (en) * 1992-09-28 1993-12-29 张飞乔 High-voltage test safety rod
CN2167382Y (en) * 1993-08-31 1994-06-01 段先琪 Discharging bar for testing cable
KR100515392B1 (en) * 2003-08-30 2005-09-16 허정석 A system for detachment of a rod for water withdrawal for dishwasher for commercial use
CN2750620Y (en) * 2004-12-15 2006-01-04 王超英 Discharging rod
CN201039572Y (en) * 2007-05-12 2008-03-19 中国石化集团胜利石油管理局电力管理总公司 Alarm high-voltage discharger

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2151469Y (en) * 1992-09-28 1993-12-29 张飞乔 High-voltage test safety rod
CN2167382Y (en) * 1993-08-31 1994-06-01 段先琪 Discharging bar for testing cable
KR100515392B1 (en) * 2003-08-30 2005-09-16 허정석 A system for detachment of a rod for water withdrawal for dishwasher for commercial use
CN2750620Y (en) * 2004-12-15 2006-01-04 王超英 Discharging rod
CN201039572Y (en) * 2007-05-12 2008-03-19 中国石化集团胜利石油管理局电力管理总公司 Alarm high-voltage discharger

Also Published As

Publication number Publication date
CN101825649A (en) 2010-09-08

Similar Documents

Publication Publication Date Title
CN101825649B (en) Superpower remote control electric discharge device
CN202548160U (en) Test rack of lightning arrester
CN201628755U (en) Insulating rope or insulating rod electric test frame
CN101154530B (en) Contact terminal device for restraining transient state overvoltage of high-voltage isolating switch
CN202534496U (en) Electronic current-voltage transformer
CN102419410B (en) Voltage/current double-applying testing device for electric device
CN201556716U (en) Distribution transformer network high-voltage electricity test earthing clip
CN111751602B (en) Electroscope for distribution network insulated conductor
CN103901276A (en) Measuring equipment and method for detecting conductivity of oilpaper in high-voltage direct-current electric field
CN205452149U (en) But column switch that remote control is kept apart
CN204732241U (en) The explosion-proof breaking line preventive insulator of lightning protection
CN203011953U (en) A high voltage withstanding test wiring support
CN207123596U (en) A kind of fuse detection means
CN202182930U (en) Voltage current double applying test device used in electrical device
CN209215527U (en) A kind of string benefit spark gap impact test apparatus
CN204463964U (en) A kind of glass fiber cross winding type lightning arrester
CN208903762U (en) A kind of band is detached from the bar type pillar arrester of instruction
CN207268981U (en) A kind of new structure gas-insulated transformer casing
CN205720389U (en) A kind of New Low Voltage electrical verification rod
CN206834903U (en) The anti-electric shock protection apparatus of centrifugal high pressure refrigeration motor relay terminal
CN107181071B (en) Electric discharge device and charging method
CN203187234U (en) Telescopic lightning impact generator short connecting wire winding device
CN206134518U (en) Connect line knot structure and use this circuit breaker that connects line knot to construct
CN109484758A (en) A kind of bushing shell for transformer transport device and application method
CN204884993U (en) Novel high -voltage switch

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20120801

Termination date: 20131116