CN1542440A - Detection device based on electric leakage trace appearance proof characteristic and electrical erosion proof property of electrical resistant material - Google Patents
Detection device based on electric leakage trace appearance proof characteristic and electrical erosion proof property of electrical resistant material Download PDFInfo
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- CN1542440A CN1542440A CNA2003101058779A CN200310105877A CN1542440A CN 1542440 A CN1542440 A CN 1542440A CN A2003101058779 A CNA2003101058779 A CN A2003101058779A CN 200310105877 A CN200310105877 A CN 200310105877A CN 1542440 A CN1542440 A CN 1542440A
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Abstract
The present invention is detection equipment based on electric leakage imprinting resistance and electric corrosion wear resistance of electric insulating material, and is suitable for the electric leakage imprinting resistance test of electric insulating material. The detection equipment includes test transformer inside a casing, stepped motor on the fixing rack, driving gear on the shaft of the stepped motor and meshed driven gear, lead screw mounted to the driven gear and connected liquid pushing board and liquid pushing unit, limiting resistor, and tested sampler holder in the position corresponding to the liquid pushing unit. The limiting resistor is connected to the test transformer and the upper electrode on the tested sample holder, and the lower electrode of the tested sampler holder is grounded. During operation, the motor rotates the driving gear and the driven gear and pushes the liquid pushing board to move downwards for dropping the corrosive liquid to the tested sample.
Description
One, technical field
The invention belongs to insulating material electric property measurement mechanism, particularly a kind of device based on insulating material proof tracking and anti-galvanic corrosion damage.
Two, background technology
At present, micro pump is adopted in the flow control of liquid mostly, and this micro pump is mainly used in the injection of medical fluid, be used for Industry Control and comparatively accurate micro pump is made up of suction/discharge opening, plunger, O-ring seal, plunger guide, plunger cleaning, basic point monitor, shielding portion, bearing, rotor, coil, screw rod, its operating principle: the step motor coil is when clockwise direction turns round, inner rotator and screw rod begin to move to left, plunger directly links to each other with screw rod, and the liquid in the pump head spues from discharge opening.Discharge opening is provided with 1 of branch and 2 two types.Plunger arrives and spues when being over the position, by basic point monitor and shielding portion output control signal.When sucking liquid, the step motor coil is when counter clockwise direction turns round, and inner rotator and screw rod begin to move to right-hand, and plunger is done directly to link to each other with screw rod, and the liquid in the pump head sucks from suction inlet.Spue and inlet capacity can the umber of pulse by step motor freely be set.Flow range is in 27-5600 milliliter/stroke range.But there is following shortcoming in it: the storage device that needs liquid; In the dropping liquid process, need repeatedly suction with extrude; Exist uncertain interval time between each stroke, can not guarantee the even dropping liquid of liquid; Need more utility appliance, as the basic point monitor etc.From application facet, the one, do not seen the anti creepage trace test that this micro pump is used for insulating material, the 2nd, this micro pump not too is fit to the anti creepage trace test of insulating material.
At present, the device of insulating material proof tracking and anti-galvanic corrosion damage has Guangdong to hold up the LQD-1 type Dielectric Tester that day Industrial Co., Ltd. produces.Its technical parameter is as follows: (1) applies voltage between 100-600V; (2) the test criterion is that the time is kept 2s when short-circuit current is equal to or greater than 0.5A in the test loop, and electric current is cut off in the actuating of relay, and the indication test product is defective; (3) it is adjustable from 30-40mm that dropper can make the dropping liquid height, and dropping liquid size 44-55 drips/cm
3The dropping liquid time interval, 30 ± 5s was adjustable.The flow control of LQD-1 is coarse, and it is that safety general requirement ＂ by GB4706.11-92 ＂ family expenses and similar applications electrical equipment manufactures and designs, and is applicable to the mensuration of solid insulating material phase ratio creepage tracking index and anti creepage trace index under wet condition.Can not satisfy the requirement of GB GB6553-86 " experimental technique that insulating material proof tracking that evaluation is used and anti-galvanic corrosion are decreased " under the harsh and unforgiving environments condition.(1) experiment power supply: experiment power supply under power frequency 48-62Hz, ceiling voltage 6kV; (2) test criterion: (a) when the electric current by sample meets or exceeds 60mA in the high tension loop, as test endpoint, this moment, overcurrent device was cut off circuit; When (b) tracking reached mark on the specimen surface at bottom electrode 25mm place, as test endpoint, this moment, overcurrent device was cut off circuit; (3) according to different requirements, the flow of test is 0.075ml/min, 0.15ml/min, 0.3ml/min, 0.6ml/min, 0.9ml/min.
Three, summary of the invention
The object of the present invention is to provide a kind of device based on insulating material proof tracking and anti-galvanic corrosion damage that can detect the anti-electric leakage of insulating material, anti-galvanic corrosion damage quickly and accurately simple in structure, easy to use.
For achieving the above object, the technical solution used in the present invention is: comprise casing and be arranged on the interior testing transformer of casing, be characterized in, the fixed support upper plate of casing is provided with stepper motor, be set with driving gear on the axle of stepper motor, on the fixed support upper plate of the both sides of stepper motor, be respectively arranged with screw mandrel and the screw that is connected with wire rod thread, follower gear is sleeved on the screw mandrel and with driving gear and is meshed, the lower end of screw mandrel is provided with push liquid sheet, the lower end of push liquid sheet is provided with liquid extruding device, the lower end of liquid extruding device also is provided with the fixed support lower plate, the lower end of fixed support lower plate also be provided with current-limiting resistance and with the corresponding test product frame in the position of liquid extruding device, current-limiting resistance links by lead and testing transformer, the test product frame comprises test product frame upper plate and test product frame lower plate, test product frame upper plate and test product connection are provided with and the joining top electrode of current-limiting resistance, and test product frame lower plate and test product connection are provided with the bottom electrode of ground connection.
Another characteristics of the present invention are: also be provided with liquid sucking device in the casing, liquid sucking device comprises the fixedly liquid extruding device support of liquid extruding device, lower end at the liquid extruding device support also is provided with slide rail, on slide rail, be set with the slip cutting ferrule, the fluid push rod of liquid extruding device can snap in the slip cutting ferrule, the slip cutting ferrule is connected with lever by connecting rod, and an end of lever becomes axle to be connected with casing; The upper end of casing also is provided with vent fan; The lower end of test product frame also is provided with and connects the liquid box; Periphery studs with the O type circle that prevents that corrosive liquid from refluxing on the piston of liquid extruding device; The lower surface of push liquid sheet also is provided with and the contacted fine setting pressure head of liquid extruding device; Between fixed support upper plate and the fixed support lower plate pull bar and column are set also; Offer liquid pass hole on the test product frame upper plate, also be provided with filter paper in the lower end of liquid pass hole; The test product frame becomes miter angle with the base of casing; Screw is arranged on the fixed support upper plate by bearing seat.
Because the present invention adopts the power source of stepper motor as propulsion system, on the axle of stepper motor driving gear is housed, driving gear drives follower gear and rotates, promoting liquid extruding device by the fine setting pressure head tests the test(ing) liquid dropping on test product, it is simple in structure, easy to use, can detect the anti-electric leakage and the electrical erosion resistance energy of insulating material quickly and accurately.
Four, description of drawings
Fig. 1 is an one-piece construction synoptic diagram of the present invention;
Fig. 2 is the structural representation of stepper motor of the present invention and liquid extruding device;
Fig. 3 is the structural representation of liquid extruding device 12 of the present invention;
Fig. 4 is the structural representation of follower gear 17 of the present invention;
Fig. 5 is the structural representation of test product frame upper plate 7 of the present invention and test product frame lower plate 8;
Fig. 6 is the side view of test product frame 6 of the present invention;
Fig. 7 is the structural drawing of liquid sucking device 3 of the present invention.
Five, embodiment
Below in conjunction with accompanying drawing structural principle of the present invention and principle of work are described in further detail.
Referring to Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, the present invention includes casing 1 and be arranged on testing transformer 2 in the casing 1, the fixed support upper plate 16 of casing 1 is provided with stepper motor 24, be set with driving gear 27 on the axle of stepper motor 24, on the fixed support upper plate 16 of the both sides of stepper motor 24, be respectively arranged with bearing seat 26, the screw mandrel 18 that is provided with screw 25 in the bearing seat 26 and matches with screw 25, follower gear 17 are sleeved on the screw mandrel 18 and with screw mandrel 18 employings and are threaded, and driving gear 27 drives follower gears 17 and rotates, the lower end of screw mandrel 18 is provided with push liquid sheet 19, and the lower surface of push liquid sheet 19 also is provided with and liquid extruding device 12 contacted fine setting pressure heads 20.Periphery studs with the O type circle 14 that prevents that corrosive liquid from refluxing on the piston 13 of liquid extruding device 12, the lower end of liquid extruding device 12 also is provided with fixed support lower plate 23, pull bar 21 and column 22 also are set between fixed support upper plate 16 and the fixed support lower plate 23, the lower end of fixed support lower plate 23 also be provided with current-limiting resistance 5 and with the corresponding test product frame 6 in the position of liquid extruding device 12, test product frame 6 becomes miter angle with the base of casing 1.Current-limiting resistance 5 links by lead and testing transformer 2, test product frame 6 comprises test product frame upper plate 7 and test product frame lower plate 8, test product frame upper plate 7 is provided with and current-limiting resistance 5 joining top electrodes 9 with the test product connection, offer liquid pass hole 28 on the test product frame upper plate 7, also be provided with filter paper 11 in the lower end of liquid pass hole 28.Test product frame lower plate 8 and test product connection are provided with the bottom electrode 10 of ground connection, and the lower end of the test product frame 6 in casing 1 also is provided with and connects liquid box 4, and the upper end of casing 1 also is provided with vent fan 15.
Referring to Fig. 7, also be provided with liquid sucking device 3 in the casing 1, liquid sucking device 3 comprises the fixedly liquid extruding device support 29 of liquid extruding device 12, lower end at liquid extruding device support 29 also is provided with slide rail 30, be set with slip cutting ferrule 31 on the slide rail 30, the fluid push rod of liquid extruding device 12 can snap in the slip cutting ferrule 31, and slip cutting ferrule 31 is connected with lever 33 by connecting rod 32, and 1 one-tenth axle of an end and the casing of lever 33 is connected.
The present invention adopts the power source of stepper motor 24 as propulsion system, and the stepping angle of stepper motor 24 can be chosen according to precision, and can adopt the stepper motor driver of further segmentation.Adorn a driving gear 24 on the axle of stepper motor 24, drive two follower gears 17 simultaneously and rotate simultaneously.Follower gear 17 is installed on the fixed support upper plate 16 by bearing seat 26, the inner core of follower gear 17 studs with the screw 15 and the screw mandrel 18 of parafacies interworking cover, when follower gear 17 rotated, its screw 25 drove the leading screw 18 that joins with screw 25 and does moving of vertical direction.The top of leading screw 18 is fixed with mobile push liquid sheet 19, when push liquid sheet 19 moves down, the liquid in the liquid extruding device 12 is released.Liquid extruding device 12 is placed on the fixed support lower plate 23, for guaranteeing the stiffness of support.Four root posts 22 and eight pull bars 23 also are housed between fixed support upper plate 16 and the fixed support lower plate 23, make lower carriage become an integral body.
The injection-tube of liquid extruding device 12 is with etch-proof organic material machine-shaping, inner wall smooth, and the periphery of the piston 13 of liquid extruding device 12 studs with twice O type circle 14, refluxes to prevent corrosive liquid.The lower cover top of liquid extruding device 12 has a hole, and ferrule-type compression joint is screwed into, and inserts anticorrosion flexible pipe, and entry needle is inserted in the flexible pipe.When mobile push liquid sheet 19 propelling piston bars the time, corrosive liquid just oozes from syringe needle.
The test product frame upper plate 7 that test product frame 6 is made by two blocks of insulating material that separate and test product frame lower plate 8 reach into, with casing 1 base angle at 45, fluting on test product frame upper plate 7 and the test product frame lower plate 8 is to prevent the electrocorrosion of test product clamping plate own.
The test product additional power source is made up of testing transformer 2 and current-limiting resistance 5.Current-limiting resistance 5 outsides are protected with heat-shrinkable tube, to prevent electrocorrosion.
For preventing to corrode the corrosion of steam, vent fan 15 is housed at the top of casing 1 to this device.
Before testing, at first liquid extruding device 12 is put into the syringe rack 29 of liquid sucking device 3, the fluid push rod of liquid extruding device 12 snaps in the liquid sucking device 3 slip cutting ferrules 31, by lever 33 test(ing) liquid is sucked in the liquid extruding device 12, then power supply is inserted testing transformer 2, testing transformer 2 links with current-limiting resistance 5, receives on the test specimen by test product frame upper plate 7 and top electrode 9 again.Start stepper motor 24 this moment, stepper motor 24 drives driving gear 27 forward rotation, driving gear 27 drives follower gear 17 and rotates, follower gear 17 drives leading screw 18 moving linearlies, leading screw 18 drives push liquid sheet 19 and moves downward, push liquid sheet 19 promotes liquid extruding device 12 by fine setting pressure head 20 test(ing) liquid is extruded, and the liquid pass hole 28 by test product frame 7 drips on filter paper 11, disperses the back to drip on test product test(ing) liquid by filter paper 11.
When the electric current of the test specimen of flowing through meets or exceeds setting value, the present invention will cut off the power supply of testing transformer 2 automatically.Stepper motor 24 starts automatically, drive driving gear 27 backward rotation, driving gear 27 drives follower gear 17 and rotates, follower gear 17 drives leading screw 18 moving linearlies, leading screw 18 drive push liquid sheet 19 move up to push liquid sheet 19 and contact with follower gear 17, stepper motor 24 stops operating, off-test.
Claims (10)
1, pick-up unit based on insulating material proof tracking and anti-galvanic corrosion damage, comprise casing [1] and be arranged on the interior testing transformer [2] of casing [1], it is characterized in that: the fixed support upper plate [16] of casing [1] is provided with stepper motor [24], be set with driving gear [27] on the axle of stepper motor [24], on the fixed support upper plate [16] of the both sides of stepper motor [24], be respectively arranged with screw mandrel [18] and the screw that is connected with wire rod thread [25], follower gear [17] is sleeved on screw mandrel [18] and upward and with driving gear [27] is meshed, the lower end of screw mandrel [18] is provided with push liquid sheet [19], the lower end of push liquid sheet [19] is provided with liquid extruding device [12], the lower end of liquid extruding device [12] also is provided with fixed support lower plate [23], the lower end of fixed support lower plate [23] also be provided with current-limiting resistance [5] and with the corresponding test product frame in the position of liquid extruding device [12] [6], current-limiting resistance [5] links by lead and testing transformer [2], test product frame [6] comprises test product frame upper plate [7] and test product frame lower plate [8], test product frame upper plate [7] is provided with and the joining top electrode of current-limiting resistance [5] [9] with the test product connection, and test product frame lower plate [8] and test product connection are provided with the bottom electrode [10] of ground connection.
2, device based on insulating material proof tracking and anti-galvanic corrosion damage according to claim 1, it is characterized in that: also be provided with liquid sucking device [3] in the said casing [1], liquid sucking device [3] comprises the fixedly liquid extruding device support [29] of liquid extruding device [12], also be provided with slide rail [30] in the lower end of liquid extruding device support [29], on slide rail [30], be set with slip cutting ferrule [31], the fluid push rod of liquid extruding device [12] can snap in the slip cutting ferrule [31], slip cutting ferrule [31] is connected with lever [33] by connecting rod [32], and an end of lever [33] becomes axle to be connected with casing [1].
3, the device based on insulating material proof tracking and anti-galvanic corrosion damage according to claim 1, it is characterized in that: the upper end of said casing [1] also is provided with vent fan [15].
4, the device based on insulating material proof tracking and anti-galvanic corrosion damage according to claim 1, it is characterized in that: the lower end of said test product frame [6] also is provided with and connects liquid box [4].
5, the device based on insulating material proof tracking and anti-galvanic corrosion damage according to claim 1, it is characterized in that: the piston [13] of said liquid extruding device [12] is gone up periphery and is studded with the O type circle [14] that prevents that corrosive liquid from refluxing.
6, the device based on insulating material proof tracking and anti-galvanic corrosion damage according to claim 1, it is characterized in that: the lower surface of said push liquid sheet [19] also is provided with and the contacted fine setting pressure head of liquid extruding device [12] [20].
7, the device based on insulating material proof tracking and anti-galvanic corrosion damage according to claim 1 is characterized in that: pull bar [21] and column [22] also are set between said fixed support upper plate [16] and the fixed support lower plate [23].
8, the device based on insulating material proof tracking and anti-galvanic corrosion damage according to claim 1 is characterized in that: offer liquid pass hole [28] on the said test product frame upper plate [7], also be provided with filter paper [11] in the lower end of liquid pass hole [28].
9, the device based on insulating material proof tracking and anti-galvanic corrosion damage according to claim 1, it is characterized in that: said test product frame [6] becomes miter angle with the base of casing [1].
10, the device based on insulating material proof tracking and anti-galvanic corrosion damage according to claim 1, it is characterized in that: said screw [25] is arranged on the fixed support upper plate [16] by bearing seat [26].
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200310105877 CN1230676C (en) | 2003-11-04 | 2003-11-04 | Detection device based on electric leakage trace appearance proof characteristic and electrical erosion proof property of electrical resistant material |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200310105877 CN1230676C (en) | 2003-11-04 | 2003-11-04 | Detection device based on electric leakage trace appearance proof characteristic and electrical erosion proof property of electrical resistant material |
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| CN1542440A true CN1542440A (en) | 2004-11-03 |
| CN1230676C CN1230676C (en) | 2005-12-07 |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101281222B (en) * | 2008-04-18 | 2010-06-02 | 西安交通大学 | Automatic monitoring system for tracking and erosion resistance of electric insulation material |
| CN102435920A (en) * | 2011-09-16 | 2012-05-02 | 山西省电力公司运城供电分公司 | Portable comprehensive tester for testing surface insulation property of silicone rubber composite insulating sleeve |
| CN102520320A (en) * | 2011-12-06 | 2012-06-27 | 西安交通大学 | Contaminating fluid flow control apparatus based on electric leakage trace appearance resistance characteristic and electrical erosion resistance property test of electrical insulating material and method |
| CN102887630A (en) * | 2012-10-26 | 2013-01-23 | 扬州大学 | Vacuum glass edge sealing welding flux spreading device |
| CN103869205A (en) * | 2014-02-11 | 2014-06-18 | 国家电网公司 | Spraying electric mark resistance test device |
| CN104569055A (en) * | 2014-12-20 | 2015-04-29 | 重庆大江渝强塑料制品有限公司 | Lever mechanism of electric detector for workpiece |
| CN105606961A (en) * | 2015-09-09 | 2016-05-25 | 国家电网公司 | Composite insulating-material tracking and electrical erosion resistance performance determination method |
| CN106093663A (en) * | 2016-07-28 | 2016-11-09 | 河北工业大学 | For simulating the test simulation device of the wet arc fault of aviation |
| CN106291292A (en) * | 2016-10-21 | 2017-01-04 | 哈尔滨理工大学 | A kind of rubber type of material electric strength measurement apparatus |
| CN107576899A (en) * | 2017-09-29 | 2018-01-12 | 东莞市大显自动化仪器设备有限公司 | A kind of high pressure tracking test machine |
| CN109917244A (en) * | 2019-03-26 | 2019-06-21 | 国网湖南省电力有限公司 | The method for simulating sulphurated siliastic anti creepage trace under different acid or alkali environments |
| CN110058129A (en) * | 2018-11-07 | 2019-07-26 | 深圳供电局有限公司 | The anti creepage trace performance test method and device of insulating materials |
| CN111965506A (en) * | 2020-08-18 | 2020-11-20 | 西安高压电器研究院有限责任公司 | Tracking and electric erosion resistance test equipment and test method |
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2003
- 2003-11-04 CN CN 200310105877 patent/CN1230676C/en not_active Expired - Fee Related
Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101281222B (en) * | 2008-04-18 | 2010-06-02 | 西安交通大学 | Automatic monitoring system for tracking and erosion resistance of electric insulation material |
| CN102435920A (en) * | 2011-09-16 | 2012-05-02 | 山西省电力公司运城供电分公司 | Portable comprehensive tester for testing surface insulation property of silicone rubber composite insulating sleeve |
| WO2013037177A1 (en) * | 2011-09-16 | 2013-03-21 | 山西省电力公司运城供电分公司 | Portable comprehensive tester for testing surface insulation property of silicone rubber composite insulating sleeve |
| CN102435920B (en) * | 2011-09-16 | 2015-05-13 | 山西省电力公司运城供电分公司 | Portable comprehensive tester for testing surface insulation property of silicone rubber composite insulating sleeve |
| CN102520320A (en) * | 2011-12-06 | 2012-06-27 | 西安交通大学 | Contaminating fluid flow control apparatus based on electric leakage trace appearance resistance characteristic and electrical erosion resistance property test of electrical insulating material and method |
| CN102887630A (en) * | 2012-10-26 | 2013-01-23 | 扬州大学 | Vacuum glass edge sealing welding flux spreading device |
| CN103869205B (en) * | 2014-02-11 | 2017-05-10 | 国家电网公司 | Spraying electric mark resistance test device |
| CN103869205A (en) * | 2014-02-11 | 2014-06-18 | 国家电网公司 | Spraying electric mark resistance test device |
| CN104569055A (en) * | 2014-12-20 | 2015-04-29 | 重庆大江渝强塑料制品有限公司 | Lever mechanism of electric detector for workpiece |
| CN105606961A (en) * | 2015-09-09 | 2016-05-25 | 国家电网公司 | Composite insulating-material tracking and electrical erosion resistance performance determination method |
| CN106093663A (en) * | 2016-07-28 | 2016-11-09 | 河北工业大学 | For simulating the test simulation device of the wet arc fault of aviation |
| CN106291292A (en) * | 2016-10-21 | 2017-01-04 | 哈尔滨理工大学 | A kind of rubber type of material electric strength measurement apparatus |
| CN106291292B (en) * | 2016-10-21 | 2023-09-15 | 哈尔滨理工大学 | Rubber material electric strength measuring device |
| CN107576899A (en) * | 2017-09-29 | 2018-01-12 | 东莞市大显自动化仪器设备有限公司 | A kind of high pressure tracking test machine |
| CN107576899B (en) * | 2017-09-29 | 2023-09-15 | 东莞市大显自动化仪器设备有限公司 | High-voltage electric leakage tracking testing machine |
| CN110058129A (en) * | 2018-11-07 | 2019-07-26 | 深圳供电局有限公司 | The anti creepage trace performance test method and device of insulating materials |
| CN110058129B (en) * | 2018-11-07 | 2021-09-28 | 深圳供电局有限公司 | Method and device for testing tracking resistance of insulating material |
| CN109917244A (en) * | 2019-03-26 | 2019-06-21 | 国网湖南省电力有限公司 | The method for simulating sulphurated siliastic anti creepage trace under different acid or alkali environments |
| CN109917244B (en) * | 2019-03-26 | 2021-02-09 | 国网湖南省电力有限公司 | Method for simulating tracking resistance of vulcanized silicone rubber in different acid-base environments |
| CN111965506A (en) * | 2020-08-18 | 2020-11-20 | 西安高压电器研究院有限责任公司 | Tracking and electric erosion resistance test equipment and test method |
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| CN1230676C (en) | 2005-12-07 |
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Granted publication date: 20051207 Termination date: 20131104 |