CN203587740U - Insulator chain testing device - Google Patents
Insulator chain testing device Download PDFInfo
- Publication number
- CN203587740U CN203587740U CN201320582016.9U CN201320582016U CN203587740U CN 203587740 U CN203587740 U CN 203587740U CN 201320582016 U CN201320582016 U CN 201320582016U CN 203587740 U CN203587740 U CN 203587740U
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- insulator
- insulator chain
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Abstract
The utility model provides an insulator chain testing device for insulator artificial pollution tests. The device is characterized by comprising a traveling crane 2, a cross arm 3, a hanging point 7, a hanging point 8, an insulator chain 9, a composite insulator 12, a high-voltage leading wire sleeve 10, wherein the cross arm 3 is placed below the traveling crane; the two sides of the cross arm 3 are connected with the hanging points in the same horizontal line, respectively; one end of the composite insulator 12 is connected with the hanging point 8; high-voltage electricity is input into a laboratory through a high-voltage leading wire 11 arranged on the high-voltage leading wire sleeve 10; and the high-voltage leading wire 11 is connected to one end of the insulator chain 9, and the other end of the insulator chain 9 is grounded through a grounding wire 6 of the cross arm 3. According to utility model, the insulator chain testing device allows an insulator chain arrangement and has reliable electric connections, and is capable of carrying out pollution tests, ice covering tests and high-altitude tests of the insulator chain.
Description
Technical field
The utility model relates to a kind of artificial pollution test's device, is specifically related to insulator chain test unit, for insulator artificial pollution test.
Technical background
Insulator plays the effect of electrical connection and mechanical support in transmission line of electricity, by insulator chain, connect transmission pressure and shaft tower, and play the effect of wire and shaft tower insulation, for realizing this connection, insulator be furnished with various ways, common is I insulator string, and multi-disc insulator connects and presents the connection of I font, in addition, also have two I, V-type, the insulator arrangements such as strain resistant (horizontal I type), realize being connected of wire and shaft tower.
No matter which kind of connected mode, insulator chain long term exposure is in air, and filthy material of electric conductivity can be assembled in its surface, after wet weather makes moist, like rain, the meteorological condition of snow and mist is descended, the dielectric level of insulator reduces greatly, thereby pollution flashover, rain sudden strain of a muscle or ice sudden strain of a muscle accident can occur.According to certain geo-statistic, the pollution flashover accident in greasy weather accounts for 21% of line of electric force accident.Pollution flashover accident often causes large-area power failure, and maintenance is long release time, and impact is serious.According to statistics, the electric quantity loss that pollution flashover accident causes is 9.3 times of damage to crops caused by thunder accident.Therefore to insulator contamination, the characteristics such as ice sudden strain of a muscle are studied, and to anti-pollution flashover, the insulator configuration under anti-ice-flashing and different condition all has great importance.
The insulator chain of the utility model design is arranged, can realize insulator chain and arrange, and realize electrical connection reliably, can carry out filth, icing and the altitude test of insulator chain.
Summary of the invention
The insulator chain that the utility model relates to is arranged, can realize positive mechanical connection and the electrical connection of insulator chain, and then realizes the type approval test of insulator chain, has promoted test capability.
For achieving the above object, the utility model adopts following technical scheme:
A kind of insulator chain test unit, for insulator artificial pollution test; It is characterized in that, described device comprises driving 2, cross-arm 3, hanging point 7, hanging point 8, insulator chain 9, composite insulator 12 high-voltage connections 11 and sleeve pipe 10; Described cross-arm 3 is positioned at described driving below; Described cross-arm 3 both sides are connected with the hanging point that is positioned at same level line respectively; Described composite insulator 12 one end connect with described hanging point 8; High-tension electricity enters laboratory by the high-voltage connection 11 that is placed in bushing 10; Described high-voltage connection 11 is connected to one end of described insulator chain 9, and described insulator chain 9 other ends are by ground wire 6 ground connection of cross-arm 3.
Wherein, cross-arm 3 is steel-frame structure, and surrounding is rectangular frame, and there is the angle steel of fixing surrounding centre.
Wherein, driving 2 tops are a steel tank structure, in described steel tank, are provided with roller, and described roller lower end connects electric block; Described row hangs 2 coupling hooks, controls described cross-arm 3 and moves up and down.
Wherein, insulator chain 9 is for porcelain or glass insulator interconnect, and described composite insulator 12 adopts silastic material.
Wherein, sleeve pipe 10 is transported to high-tension electricity on described insulator chain 9, and insulator low pressure end connects Leakage Current measurement mechanism, carries out the measurement of electric current and voltage data and waveform, and test obtains the U50 of insulator chain by lifting and lowering method or flashover method.
With prior art ratio, the technical scheme that the utility model provides has following excellent effect:
1. the insulator chain test unit that the utility model relates to, the positive mechanical that can realize insulator chain connects and electrical connection, and then realizes the strain insulator-string type approval test of all kinds of insulator chains, has promoted test capability.
2. adopt the layout of carrying out strain insulator string in the mode of laboratory inwall installation hanging point, can avoid askew the skewing that occurs driving to hang, stop potential safety hazard.
3. the insulator chain test unit that the utility model relates to is simple in structure, reasonable in design, easy to use.
4. can carry out composite insulator, the strain insulator-string test of glass insulator and porcelain insulator, by regulating the length of wire rope, can carry out difference string length, i.e. the layout of the insulator chain of different electric pressures simultaneously.
5. the insulator chain test unit measuring accuracy that the utility model relates to is high, can accurately obtain 50% tolerance or flashover voltage U50 of insulator chain.
Accompanying drawing explanation
Fig. 1 insulator chain arrangenent diagram
Wherein: 1-amblent air temperature laboratory; 2-driving; 3-cross-arm; 4-left side wire rope; 5-right side wire rope; 6-ground wire; 7-left side arc hanging point; 8-right side arc hanging point; 9-insulator chain; 10-wall bushing; 11-high-voltage connection; 12-composite insulator
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in further detail.
The present embodiment carries out filth, the ice-coating test of insulator in artificial environment climatizer by simulation varying environment meteorological condition (rain, mist, high height above sea level), pollution test adopts GB/4585 test routine, insulator stains and can adopt solid layer method and saline fog method, laboratory has spraying plant to spray, ice-coating test covering ice for insulator adopts water spraying method, adopts blower fan refrigeration in laboratory.Object: carry out the research of insulator contamination, ice sudden strain of a muscle characteristic, can carry out single I string in testing laboratory, that is: multi-disc insulator vertically connects into a string layout; Two I strings, that is: multi-disc insulator vertically connects into two string parallel insulation substrings; And V string, that is: multi-disc insulator vertically connects into two insulator chains that conspire to create V-shape, be all that upper end connects cross-arm, the insulator layouts such as yoke plate is connected with analog conducting wire for lower end.Under the driving of artificial environment climatizer tank deck, hang cross-arm, during test, various types insulator chain is hung on the different hanging points of cross-arm, cross-arm low-pressure side ground connection, insulator lower end connecting analog wire high-voltage connection, carry out icing simultaneously, filth, the test of the multiple DIFFERENT METEOROLOGICAL CONDITIONS such as high height above sea level, strain insulator string (horizontal I string) is arranged and is hung and realize without cross-arm.
The layout of insulator chain in amblent air temperature laboratory 1 as shown in Figure 1.The 2 times suspension cross-arms 3 of driving a vehicle exist, the wire rope 4 and 5 that is fixed on the left and right sides of arc hanging point 7 and 8 pulls into level by insulator chain 9, from bushing 10 to amblent air temperature laboratory, introduce high-tension electricity, insulator chain 9 high-pressure sides are connected with high-voltage connection 11, insulator chain 9 other ends and cross-arm 3 are respectively by ground wire 6 ground connection, insulator chain 9 high-pressure sides are connected with composite insulator 12, guarantee insulator chain 9 high-pressure sides and the 1 inwall insulation of amblent air temperature laboratory.
Cross-arm 3 is rectangular bar of steel framed structure, and there is the angle steel of fixing surrounding centre, is used for supporting steel-cable, fixed insulation substring
2 tops of driving a vehicle are a steel tank structure, and roller is arranged in steel tank, can horizontally slip, and under roller, connects electric block, and driving lower end insulating cord coupling hook, can control cross-arm upper and lower, plays the effect of fixed support.
Insulator chain 9 is for porcelain or glass insulator interconnects or composite insulator.
Composite insulator 12 is made for silastic material.Composite insulator 12 connecting insulator high-pressure sides and hanging point 8 are directly to connect hanging point 8 for fear of insulator high-pressure side; And hanging point 8 is connected to cross-arm 3 and can causes cross-arm to connect high pressure discharging over the ground, adopt after composite insulator 12, play mechanical support effect on the one hand, insulator is sling, can avoid on the other hand high pressure to cause cross-arm.
In process of the test, by wall bushing, high-tension electricity is transported on insulator chain, insulator low-pressure side connects Leakage Current measurement mechanism, can carry out the measurement of electric current and voltage data and waveform, test can obtain 50% tolerance or flashover voltage U50 of insulator chain by lifting and lowering method or flashover method, for engineering design provides foundation.
Finally should be noted that: above embodiment is only in order to illustrate that the technical solution of the utility model is not intended to limit, although the utility model is had been described in detail with reference to above-described embodiment, those of ordinary skill in the field are to be understood that: still can modify or be equal to replacement embodiment of the present utility model, and do not depart from any modification of the utility model spirit and scope or be equal to replacement, it all should be encompassed in the middle of claim scope of the present utility model.
Claims (5)
1. an insulator chain test unit, for insulator artificial pollution test; It is characterized in that, described device comprises driving (2), cross-arm (3), hanging point I (7), hanging point II (8), insulator chain (9), composite insulator (12), high-voltage connection (11) and sleeve pipe (10); Described cross-arm (3) is positioned at described driving below; Described cross-arm (3) both sides are connected with the hanging point that is positioned at same level line respectively; Described composite insulator (12) one end connects with described hanging point (8); High-tension electricity enters laboratory by the high-voltage connection (11) that is placed in sleeve pipe (10); Described high-voltage connection (11) is connected to one end of described insulator chain (9), and described insulator chain (9) other end is by ground wire (6) ground connection of cross-arm (3).
2. test unit according to claim 1, is characterized in that, described cross-arm (3) is steel-frame structure, and surrounding is rectangular frame, and there is the angle steel of fixing surrounding centre.
3. test unit according to claim 1, is characterized in that, described driving (2) top is a steel tank structure, in described steel tank, is provided with roller, and described roller lower end connects electric block; Described driving (2) coupling hook, controls described cross-arm (3) and moves up and down.
4. test unit according to claim 1, is characterized in that, described insulator chain (9) is for porcelain or glass insulator interconnect, and described composite insulator (12) adopts silastic material.
5. test unit according to claim 1, it is characterized in that, described sleeve pipe (10) is transported to high-tension electricity on described insulator chain (9), insulator low pressure end connects Leakage Current measurement mechanism, carry out the measurement of electric current and voltage data and waveform, test obtains the flashover voltage U50 of insulator chain by lifting and lowering method or flashover method.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320582016.9U CN203587740U (en) | 2013-09-18 | 2013-09-18 | Insulator chain testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320582016.9U CN203587740U (en) | 2013-09-18 | 2013-09-18 | Insulator chain testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203587740U true CN203587740U (en) | 2014-05-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320582016.9U Expired - Lifetime CN203587740U (en) | 2013-09-18 | 2013-09-18 | Insulator chain testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203587740U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105866642A (en) * | 2016-05-05 | 2016-08-17 | 中国电力科学研究院 | Method and system for performing pollution flashover testing on OPGW insulator chain |
| CN105911441A (en) * | 2016-05-05 | 2016-08-31 | 中国电力科学研究院 | Method and system for icing floashover test of OPGW insulator chain |
| CN110146796A (en) * | 2019-06-17 | 2019-08-20 | 贵州电网有限责任公司 | A kind of simulation test device and its test method of Zero resistance insulator string heat generation characteristic |
| CN113432860A (en) * | 2021-07-22 | 2021-09-24 | 广东电网有限责任公司 | Ground wire insulator electrode performance simulation test device and method |
| CN114062815A (en) * | 2021-11-16 | 2022-02-18 | 国网青海省电力公司检修公司 | Test method for carrying out large-tonnage insulator artificial pollution test |
-
2013
- 2013-09-18 CN CN201320582016.9U patent/CN203587740U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105866642A (en) * | 2016-05-05 | 2016-08-17 | 中国电力科学研究院 | Method and system for performing pollution flashover testing on OPGW insulator chain |
| CN105911441A (en) * | 2016-05-05 | 2016-08-31 | 中国电力科学研究院 | Method and system for icing floashover test of OPGW insulator chain |
| CN110146796A (en) * | 2019-06-17 | 2019-08-20 | 贵州电网有限责任公司 | A kind of simulation test device and its test method of Zero resistance insulator string heat generation characteristic |
| CN113432860A (en) * | 2021-07-22 | 2021-09-24 | 广东电网有限责任公司 | Ground wire insulator electrode performance simulation test device and method |
| CN113432860B (en) * | 2021-07-22 | 2023-05-16 | 广东电网有限责任公司 | Ground wire insulator electrode performance simulation test device and method |
| CN114062815A (en) * | 2021-11-16 | 2022-02-18 | 国网青海省电力公司检修公司 | Test method for carrying out large-tonnage insulator artificial pollution test |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140507 |