CN103257307A - Gas insulation testing device - Google Patents
Gas insulation testing device Download PDFInfo
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- CN103257307A CN103257307A CN2013101129072A CN201310112907A CN103257307A CN 103257307 A CN103257307 A CN 103257307A CN 2013101129072 A CN2013101129072 A CN 2013101129072A CN 201310112907 A CN201310112907 A CN 201310112907A CN 103257307 A CN103257307 A CN 103257307A
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Abstract
The invention discloses a gas insulation testing device. The gas insulation testing device comprises a box body filled with insulating gas, a sealing transmission grounding module and a sealing pluggable type electric conduction module, wherein sealing transmission and testing on the box body are achieved through the sealing transmission grounding module, and high-pressure sealing electric conduction on the box body is achieved through the sealing pluggable type electric conduction module, and the sealing transmission grounding module and the sealing pluggable type electric conduction module are fixedly arranged on a front board and a rear board of the box body respectively through a front sealing door and a rear sealing door. According to the gas insulation testing device, through the structural matching of an operation mechanism and a sealing transmission mechanism, sealing transmission of magnetofluid is achieved, an inner cone insulator and an inner cone pluggable type testing cable are sealed, electric conductive and high pressure, the operation mechanism is matched with a counter to adjust the distance among electrodes, operation is convenient and flexible, the structure is simple, and installation is easy. Further, matched with a multifunctional interface, a large amount of basic data can be detected through an existing medium pressure insulation testing device, and multiple kinds of medium pressure gas insulation switching devices are designed through the basic data. The gas insulation testing device is practical, reliable, strong in generality and beneficial to wide popularization.
Description
Technical field
The present invention relates to a kind of gas-insulated test unit, particularly the gas-insulated test unit of a kind of basic data of medium pressure gas insulated switching installation test.
Background technology
Continuity along with " 95 " sector planning, going deep into of urban and urual areas of whole country's power grid construction and transformation project, going into operation of national key construction projects such as west area development ﹠ construction and transferring electricity from the west to the east, the south water to north, Qinghai-Tibet Railway, building of each large-and-medium size cities subway, light rail, to the consumer service condition requirements at the higher level will be proposed, the C-GIS switchgear meets the needs of development potentiality, and its market outlook will be very wide.
C-GIS be conventional GIS technology to the expansion in middle pressure field, adopt the SF6 gas of low-pressure or mixed gas (SF6+N2) as the insulating medium of switchgear, be the new and high technology series of products that get up of new development in the world of nearly more than ten years.The current-carrying part of high pressure elements such as the isolating switch in its major loop, three-station is installed concentratedly in the cabinet type stainless steel casing of sealing, and its maximum characteristics are not to be affected by the external environment, and the reliability height can make the operation of equipment long-term safety in the abominable place of environment; Next is that the high voltage device size is dwindled, and can make device miniaturization.
As the high-tension switch cabinet that adopts gas as insulating medium, the research to the insulating property of gas becomes essential so, also the equipment of research has been proposed more requirement simultaneously.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art, a kind of multi-functional, highly versatile, flexible to operation, features simple structure, easy-on gas-insulated test unit are provided.
Goal of the invention of the present invention is achieved in that a kind of gas-insulated test unit, described gas-insulated test unit comprises insulation gas filled casing, be implemented in the sealing transmission earthing module of sealing transmission and test on the casing and be implemented in the sealing plug-in conductive module of high pressure sealing conduction on the casing, the header board that described sealing transmission earthing module and sealing plug-in conductive module are fixedly installed in casing by preceding hermatic door and back hermatic door respectively with after on the plate.
Be optimized according to above-mentioned, described casing comprises the metal box housing, is installed in header board, back plate on the metal box housing, be welded with several weld bolts respectively on this header board and the back plate, take out the inflation retaining valve on the upper plate of metal box housing, on the side plate of metal box housing transparent windows is arranged.
Be optimized according to above-mentioned, described sealing transmission earthing module comprises operating mechanism, sealed driving mechanism, rain glass and the unidirectional valve member that is installed on the preceding hermatic door, and operating mechanism is connected with sealed driving mechanism, and unidirectional valve member is provided with gas componant and measures interface.
Be optimized according to above-mentioned, described operating mechanism comprises panel, underframe, gear-driven assembly and counter, panel is fixedly installed on the underframe by register pin, underframe is installed on the preceding hermatic door, counter is installed in the underframe, and gear-driven assembly is fixedly installed between panel and the underframe and extends in the underframe and is connected with counter, sealed driving mechanism.
Be optimized according to above-mentioned, described gear-driven assembly comprises transmission gear, transmission input shaft, transmission output shaft, transmission gear is installed between panel and the underframe, the transmission input shaft is connected with transmission gear respectively with the head end of transmission output shaft, transmission input the tip of the axis is connected with the input shaft of counter by fixed pin, counter is fixed in the underframe by support, and the end of transmission output shaft is connected with sealed driving mechanism.
Be optimized according to above-mentioned, described sealed driving mechanism comprises magnetic fluid, guide cylinder, drive lead screw, sliding axle, battery lead plate, the head end of magnetic fluid is connected with the end of transmission output shaft, the end of magnetic fluid is connected with the head end of drive lead screw by mount pin, drive lead screw is installed in the guide cylinder, the end of drive lead screw is connected with the head end of sliding axle, and sliding axle is installed on the end of guide cylinder and with battery lead plate and is connected, and sliding axle is provided with the spacing register pin for the restriction rotation.
Be optimized according to above-mentioned, described guide cylinder is in casing head end interior and guide cylinder and is fixed on the preceding hermatic door, and the magnetic fluid that is connected with the guide cylinder head end is in casing end outer and magnetic fluid and is fixedly installed on the preceding hermatic door.
Be optimized according to above-mentioned, be used to form being flexible coupling of low pressure end on the described sealed driving mechanism in addition, the end that is flexible coupling is fixed in header board by weld bolt, and the other end that is flexible coupling is fixed on the battery lead plate, and the corresponding sealing of battery lead plate plug-in conductive module is installed on the sliding axle.
Be optimized according to above-mentioned, described sealing plug-in conductive module comprises inner cone insulator, ball-type electrode and plug-in test cable, the inner cone insulator is in the casing and is installed on the hermatic door of back, the ball-type electrode pair answers battery lead plate to be installed on the inner cone insulator termination, and the plug-in test cable is fixed in back hermatic door rear side and inserts the inner cone insulator.
Be optimized according to above-mentioned, described plug-in test cable comprises outer rim cluster parachute, spring touch finger and cable termination, spring touch finger is installed on the cable termination, blind plug is arranged on the cable termination, cable termination is fixedly installed on the hermatic door of back by blind plug and spring touch finger is connected with the ball-type electrode, thereby the formation high-field electrode, the outer rim cluster parachute is arranged on the cable input end.
The present invention is a supplementary device to the basic data test of existing medium pressure gas insulated switching installation, this device is by the respective outer side edges of operating mechanism and sealed driving mechanism, realize the magnet fluid sealing transmission, inner cone insulator and inner cone plug-in test cable sealing conduction high pressure, operating mechanism and counter fit adjustment interelectrode distance, flexible to operation, simple in structure, install easily, and cooperate versatile interface, via the existing insulation checkout equipment of middle pressure, can survey and use a large amount of basic datas, design multiple medium pressure gas insulated switching installation by these basic datas, practical reliable, highly versatile is conducive to extensive popularization.
Description of drawings
Fig. 1 is the structural representation of the embodiment of the invention.
Fig. 2 is the structural representation of embodiment of the invention casing.
Fig. 3 is the structural representation of another angle of embodiment of the invention casing.
Fig. 4 is the structural representation of embodiment of the invention operating mechanism.
Fig. 5 is the structural representation of embodiment of the invention counter.
Fig. 6 is the synoptic diagram that concerns of embodiment of the invention operating mechanism and sealed driving mechanism.
Fig. 7 is the structural representation of embodiment of the invention sealed driving mechanism.
Fig. 8 is the structural representation of embodiment of the invention sealing plug-in conductive module.
Fig. 9 is the exploded cut-open view of embodiment of the invention sealing plug-in conductive module.
Embodiment
The invention will be further described below in conjunction with accompanying drawing.
Extremely shown in Figure 9 according to Fig. 1, gas-insulated test unit of the present invention, it comprises that the gas-insulated test unit comprises insulation gas filled casing 1, be implemented in the sealing plug-in conductive module 3 that seals the sealing transmission earthing module 2 of transmission and test on the casing 1 and be implemented in high pressure sealing conduction on the casing 1, described sealing transmission earthing module 2 and sealing plug-in conductive module 3 are fixedly installed in the header board 11 and back plate 12 of casing 1 respectively by preceding hermatic door 4 and back hermatic door 5, realize the high pressure conduction by sealing plug-in conductive module 3, realize the sealing transmission by sealing transmission earthing module 2, regulate interelectrode distance, and be provided with various interface by casing 1 and satisfy various test conditions, reach multi-functional, versatility, easy to operate, reliable and practical, that easily installs can be to a supplementary device of a large amount of basic data test of measuring of existing medium pressure gas insulated switching installation
Wherein, with reference to Fig. 1, Fig. 2 and shown in Figure 3, described casing 1 comprises metal box housing 13, is installed in header board 11, back plate 12 on the metal box housing 13, this header board 11 is welded with the weld bolt 14 that several are used for being connected various interface on the plate 12 respectively with the back, take out inflation retaining valve 16 on the upper plate 15 of metal box housing 13, transparent windows 17 is arranged on the side plate of metal box housing 13.
With reference to Fig. 1, shown in Figure 6, sealing transmission earthing module 2 comprises operating mechanism 6, sealed driving mechanism 7, rain glass 8 and the unidirectional valve member 9 that is installed on the preceding hermatic door 4, operating mechanism 6 is connected with sealed driving mechanism 7, and unidirectional valve member 9 is provided with gas componant and measures interface 10.
Wherein, with reference to Fig. 1, Fig. 4 and shown in Figure 5, this operating mechanism 6 comprises panel 61, underframe 62, gear-driven assembly and counter 63, panel 61 is fixedly installed on the underframe 62 by register pin 64, underframe 62 is installed on the preceding hermatic door 4, counter 63 is installed in the underframe 62, and gear-driven assembly is fixedly installed between panel 61 and the underframe 62 and extends in the underframe 62 and is connected with counter 63, sealed driving mechanism 7.And gear-driven assembly comprises transmission gear 65, transmission input shaft 66, transmission output shaft 67, transmission gear 65 is installed between panel 61 and the underframe 62, transmission input shaft 66 is connected with transmission gear 65 respectively with the head end of transmission output shaft 67, the end of transmission input shaft 66 is connected with the input shaft of counter 63 by fixed pin 68, counter 63 is fixed in the underframe 62 by support, and the end of transmission output shaft 67 is connected with sealed driving mechanism 7.
Moreover, with reference to Fig. 1, Fig. 6, shown in Figure 7, sealed driving mechanism 7 comprises magnetic fluid 71, guide cylinder 72, drive lead screw 73, sliding axle 74, battery lead plate 75, the head end of magnetic fluid 71 is connected with the end of transmission output shaft 67, the end of magnetic fluid 71 is connected with the head end of drive lead screw 73 by mount pin 70, drive lead screw 73 is installed in the guide cylinder 72, the end of drive lead screw 73 is connected with the head end of sliding axle 74, sliding axle 74 is installed on the end of guide cylinder 72 and with battery lead plate 75 and is connected, and sliding axle 74 is provided with the spacing register pin 76 for the restriction rotation.And guide cylinder 72 is in casing 1 head end interior and guide cylinder 72 and is fixed on the preceding hermatic door 4, and the magnetic fluid 71 that is connected with guide cylinder 72 head ends is in casing 1 end outer and magnetic fluid 71 and is fixedly installed on the preceding hermatic door 4.Also have, what be used to form low pressure end on the sealed driving mechanism 7 in addition is flexible coupling 77,77 1 ends that are flexible coupling are fixed on the header board 11 by weld bolt 14, and 77 other ends that are flexible coupling are fixed on the battery lead plate 75, and battery lead plate 75 corresponding sealing plug-in conductive modules 3 are installed on the sliding axle 74.That is, by spacing register pin 76, screw mandrel can be driven sliding axle 74 rotations and become straight moving, thereby it is mobile forward or backward to drive battery lead plate 75, and then adjusting battery lead plate 75 seals the distances of plug-in conductive modules 3 relatively.
And, with reference to Fig. 1, Fig. 8 and shown in Figure 9, sealing plug-in conductive module 3 comprises inner cone insulator 31, ball-type electrode 32 and plug-in test cable 33, inner cone insulator 31 is in the casing 1 and is installed on the hermatic door 5 of back, ball-type electrode 32 counter electrode plates 75 are installed on inner cone insulator 31 terminations, and plug-in test cable 33 is fixed in back hermatic door 5 rear sides and inserts inner cone insulator 31.Plug-in test cable 33 comprises outer rim cluster parachute 34, spring touch finger 35 and cable termination 36, spring touch finger 35 is installed on the cable termination 36, blind plug 37 is arranged on the cable termination 36, cable termination 36 is fixedly installed on the hermatic door 5 of back by blind plug 37 and spring touch finger 35 is connected with ball-type electrode 32, thereby the formation high-field electrode, outer rim cluster parachute 34 is arranged on the cable input end.
According to above-mentioned, concrete operating process is as follows, can realize casing 1 is charged into the gas of different pressures and heterogeneity by taking out inflation retaining valve 16, casing 1 internal gas pressure can show by tensimeter, gas componant can be measured interface 10 by gas componant and be linked on the composition test instrument, can survey gas concentration ratio; By operating grip rotation transmission input shaft 66, transmission input shaft 66 drives magnetic fluid 71 rotations, magnetic fluid 71 drives drive lead screw 73 rotations, make sliding axle 74 move forward and backward, pitch according to practical application drive lead screw 73 is 1mm, transmission input shaft 66 rotating band nutating gears 65, the input shaft 630 that is driven counter 63 by transmission output shaft 67 rotates, but existing transmission input shaft 66 anglecs of rotation of entity and the number of turns, counter 63 is that 1:1 is corresponding with transmission input shaft 66, namely first figure place 631 is the anglec of rotation in the circle, every lattice are represented 36 degree, second figure place 632, the 3rd figure place 633, four figures 634 is represented the units of the number of turns respectively, tens and hundred figure places, the displacement that can intuitively read sliding axle 74 by counter 63; Unison counter 63 has reset button, and accurate contraposition can be realized, precision can reach 0.1mm, as Fig. 4 and shown in Figure 5; Shown in Figure 1 by the high voltage interface reference by high-tension testing apparatus, and import high pressure, get final product the dielectric level of 32 at test electrode plate 75 and ball-type electrode; Simultaneously, the electrode of the electrode of battery lead plate 75 and ball-type electrode 32 all is the removable mounting formula, changes easily.So by above means, can measure different pressures, gas with various concentration, two interelectrode dielectric levels of different distance, thereby make this product reach features simple structure, easy to operate, practical reliable, highly versatile and the many purposes of function, be conducive to extensive popularization.
Above-mentioned specific embodiment only is effect of the present invention embodiment preferably, and all or gas-insulated test units of being equal to identical with this structure are all in the application's protection domain.
Claims (10)
1. gas-insulated test unit, it is characterized in that: described gas-insulated test unit comprises insulation gas filled casing (1), be implemented in casing (1) goes up the sealing transmission earthing module (2) of sealing transmission and test and is implemented in the sealing plug-in conductive module (3) that casing (1) is gone up the high pressure sealing conduction, described sealing transmission earthing module (2) and sealing plug-in conductive module (3) respectively by preceding hermatic door (4) and back hermatic door (5) be fixedly installed in casing (1) header board (11) and after on the plate (12).
2. according to the described gas-insulated test unit of claim 1, it is characterized in that: described casing (1) comprises metal box housing (13), is installed in header board (11), back plate (12) on the metal box housing (13), be welded with the weld bolt (14) that several are used for connecting interface respectively on this header board (11) and the back plate (12), take out inflation retaining valve (16) on the upper plate (15) of metal box housing (13), transparent windows (17) is arranged on the side plate of metal box housing (13).
3. according to the described gas-insulated test unit of claim 1, it is characterized in that: described sealing transmission earthing module (2) comprises operating mechanism (6), sealed driving mechanism (7), rain glass (8) and the unidirectional valve member (9) that is installed on the preceding hermatic door (4), operating mechanism (6) is connected with sealed driving mechanism (7), and unidirectional valve member (9) is provided with gas componant and measures interface (10).
4. according to the described gas-insulated test unit of claim 3, it is characterized in that: described operating mechanism (6) comprises panel (61), underframe (62), gear-driven assembly and counter (63), panel (61) is fixedly installed on the underframe (62) by register pin (64), underframe (62) is installed on the preceding hermatic door (4), counter (63) is installed in the underframe (62), and gear-driven assembly is fixedly installed between panel (61) and the underframe (62) and extends in the underframe (62) and is connected with counter (63), sealed driving mechanism (7).
5. according to the described gas-insulated test unit of claim 4, it is characterized in that: described gear-driven assembly comprises transmission gear (65), transmission input shaft (66), transmission output shaft (67), transmission gear (65) is installed between panel (61) and the underframe (62), transmission input shaft (66) is connected with transmission gear (65) respectively with the head end of transmission output shaft (67), the end of transmission input shaft (66) is connected with the input shaft counter (630) of counter (63) by fixed pin (68), counter (63) is fixed in the underframe (62) by support, and the end of transmission output shaft (67) is connected with sealed driving mechanism (7).
6. according to the described gas-insulated test unit of claim 5, it is characterized in that: described sealed driving mechanism (7) comprises magnetic fluid (71), guide cylinder (72), drive lead screw (73), sliding axle (74), battery lead plate (75), the head end of magnetic fluid (71) is connected with the end of transmission output shaft (67), the end of magnetic fluid (71) is connected with the head end of drive lead screw (73) by mount pin (70), drive lead screw (73) is installed in the guide cylinder (72), the end of drive lead screw (73) is connected with the head end of sliding axle (74), sliding axle (74) is installed on the end of guide cylinder (72) and with battery lead plate (75) and is connected, and sliding axle (74) is provided with the spacing register pin (76) for the restriction rotation.
7. according to the described gas-insulated test unit of claim 5, it is characterized in that: described guide cylinder (72) is in the casing (1) and the head end of guide cylinder (72) is fixed on the preceding hermatic door (4), and the magnetic fluid (71) that is connected with guide cylinder (72) head end is in casing (1) end outer and magnetic fluid (71) and is fixedly installed on the preceding hermatic door (4).
8. according to the described gas-insulated test unit of claim 7, it is characterized in that: be flexible coupling (77) that are used to form low pressure end on the described sealed driving mechanism (7) in addition, (77) one ends that are flexible coupling are fixed on the header board (11) by weld bolt (14), (77) other end that is flexible coupling is fixed on the battery lead plate (75), and battery lead plate (75) corresponding sealing plug-in conductive module (3) is installed on the sliding axle (74).
9. described gas-insulated test unit according to Claim 8, it is characterized in that: described sealing plug-in conductive module (3) comprises inner cone insulator (31), ball-type electrode (32) and plug-in test cable (33), inner cone insulator (31) is in the casing (1) and is installed on the back hermatic door (5), ball-type electrode (32) counter electrode plate (75) is installed on inner cone insulator (31) termination, and plug-in test cable (33) is fixed in back hermatic door (5) rear side and inserts inner cone insulator (31).
10. according to the described gas-insulated test unit of claim 9, it is characterized in that: described plug-in test cable (33) comprises outer rim cluster parachute (34), spring touch finger (35) and cable termination (36), spring touch finger (35) is installed on the cable termination (36), blind plug (37) is arranged on the cable termination (36), cable termination (36) is fixedly installed in back hermatic door (5) upward and spring touch finger (35) is connected with ball-type electrode (32) by blind plug (37), thereby the formation high-field electrode, outer rim cluster parachute (34) is arranged on the cable input end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310112907.2A CN103257307B (en) | 2013-04-02 | 2013-04-02 | Gas insulation testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310112907.2A CN103257307B (en) | 2013-04-02 | 2013-04-02 | Gas insulation testing device |
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| CN103257307A true CN103257307A (en) | 2013-08-21 |
| CN103257307B CN103257307B (en) | 2015-06-24 |
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| CN201310112907.2A Active CN103257307B (en) | 2013-04-02 | 2013-04-02 | Gas insulation testing device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105954657A (en) * | 2016-06-21 | 2016-09-21 | 上海天灵开关厂有限公司 | Insulation distance adjustable gas insulation characteristic test apparatus |
| CN109342895A (en) * | 2018-10-26 | 2019-02-15 | 许继（厦门）智能电力设备股份有限公司 | A kind of gas-insulated characteristic test device |
| CN109541019A (en) * | 2018-12-21 | 2019-03-29 | 中国科学院电工研究所 | Dielectric breakdown strength experimental provision under a kind of low temperature, hyperbaric environment |
| CN113325283A (en) * | 2021-05-26 | 2021-08-31 | 许继集团有限公司 | Aerify cabinet device for insulation test |
| CN115308553A (en) * | 2022-09-14 | 2022-11-08 | 常州博瑞电力自动化设备有限公司 | Gas insulation test equipment |
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| JPS57153273A (en) * | 1981-03-18 | 1982-09-21 | Nissin Electric Co Ltd | Test method for dielectric strength of gas insulation switching device |
| JPH06265580A (en) * | 1993-03-16 | 1994-09-22 | Hitachi Ltd | Full-voltage interruption test equipment for gas insulated switchgear |
| CN101285867A (en) * | 2008-06-11 | 2008-10-15 | 重庆大学 | Electrical insulation electric heating ageing testing equipment |
| CN102608505A (en) * | 2012-03-30 | 2012-07-25 | 重庆大学 | Multi-region detection system for partial discharge decomposition components of insulating gas and method thereof |
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2013
- 2013-04-02 CN CN201310112907.2A patent/CN103257307B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57153273A (en) * | 1981-03-18 | 1982-09-21 | Nissin Electric Co Ltd | Test method for dielectric strength of gas insulation switching device |
| JPH06265580A (en) * | 1993-03-16 | 1994-09-22 | Hitachi Ltd | Full-voltage interruption test equipment for gas insulated switchgear |
| CN101285867A (en) * | 2008-06-11 | 2008-10-15 | 重庆大学 | Electrical insulation electric heating ageing testing equipment |
| CN102608505A (en) * | 2012-03-30 | 2012-07-25 | 重庆大学 | Multi-region detection system for partial discharge decomposition components of insulating gas and method thereof |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105954657A (en) * | 2016-06-21 | 2016-09-21 | 上海天灵开关厂有限公司 | Insulation distance adjustable gas insulation characteristic test apparatus |
| CN109342895A (en) * | 2018-10-26 | 2019-02-15 | 许继（厦门）智能电力设备股份有限公司 | A kind of gas-insulated characteristic test device |
| CN109541019A (en) * | 2018-12-21 | 2019-03-29 | 中国科学院电工研究所 | Dielectric breakdown strength experimental provision under a kind of low temperature, hyperbaric environment |
| CN113325283A (en) * | 2021-05-26 | 2021-08-31 | 许继集团有限公司 | Aerify cabinet device for insulation test |
| CN115308553A (en) * | 2022-09-14 | 2022-11-08 | 常州博瑞电力自动化设备有限公司 | Gas insulation test equipment |
| CN115308553B (en) * | 2022-09-14 | 2023-08-04 | 常州博瑞电力自动化设备有限公司 | Gas insulation test equipment |
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| Publication number | Publication date |
|---|---|
| CN103257307B (en) | 2015-06-24 |
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Denomination of invention: Gas insulation testing device Effective date of registration: 20190808 Granted publication date: 20150624 Pledgee: China Co truction Bank Corp Foshan branch Pledgor: Shunde Switch Co., Ltd., Guangdong Prov. Registration number: Y2019440000004 |
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