阅读说明：本技术 一种依据esdd法快速测量绝缘子污秽等级的装置 (Device for rapidly measuring pollution grade of insulator according to ESDD method ) 是由 盛玉明 杜春国 郭广领 孙树华 代朝辉 赵保平 张源斌 贾晟 赵晨 于 2020-06-11 设计创作，主要内容包括：本发明涉及一种依据ESDD法快速测量绝缘子污秽等级的装置,真空隔离盒的两端为敞口端和封闭端,外壁套设在内壁外部,显示屏和开关均固定在真空隔离盒外,开关设置有多个,注水管与排气管的两端分别连通真空隔离盒内外,电源安装在真空隔离盒的封闭端上,真空泵、处理器和驱动组件均固定设置在内壁内部且靠近真空隔离盒的封闭端,处理器上连接有两个测量电极,驱动组件的输出端位于内壁内部,清理刷固定在驱动组件的输出端上,电源和处理器之间相互形成电连接,第一密封垫和第二密封垫分别与外壁和内壁端面适配,并固定在内壁与外壁的端面上。本发明具有操作简单、方便,降低对测试结果产生影响的可能性的特点。(The invention relates to a device for rapidly measuring the pollution grade of an insulator according to an ESDD method, wherein two ends of a vacuum isolation box are an open end and a closed end, an outer wall is sleeved outside an inner wall, a display screen and a plurality of switches are fixed outside the vacuum isolation box, two ends of a water injection pipe and two ends of an exhaust pipe are respectively communicated with the inside and the outside of the vacuum isolation box, a power supply is installed at the closed end of the vacuum isolation box, a vacuum pump, a processor and a driving assembly are fixedly arranged inside the inner wall and close to the closed end of the vacuum isolation box, two measuring electrodes are connected to the processor, an output end of the driving assembly is positioned inside the inner wall, a cleaning brush is fixed at an output end of the driving assembly, the power supply and the processor are electrically connected with each other, and a first sealing gasket and a second sealing gasket are respectively matched with the end faces of the. The method has the characteristics of simple and convenient operation and capability of reducing the possibility of influencing the test result.)

1. The utility model provides a device of dirty grade of insulator of quick measurement according to ESDD method which characterized in that: the vacuum isolation box comprises a vacuum isolation box (1), a power supply (2), a vacuum pump (4), a processor (5), a driving assembly (6), a cleaning brush (7), a first sealing gasket (8) and a second sealing gasket (9), wherein two ends of the vacuum isolation box (1) are respectively arranged to be an open end and a closed end, the vacuum isolation box comprises an inner wall (11) and an outer wall (12), the outer wall (12) is sleeved outside the inner wall (11), the lengths of the inner wall (11) and the outer wall (12) are consistent, the vacuum isolation box (1) is further provided with a display screen (15), a switch (16), a water injection pipe (17) and an exhaust pipe (18), the display screen (15) and the switch (16) are fixed outside the vacuum isolation box (1), the switch (16) is provided with a plurality of switches, two ends of the water injection pipe (17) are respectively fixed and penetrate through the closed ends of the inner wall (11) and the vacuum isolation box (, the two ends of the exhaust pipe (18) are communicated with the inside and the outside of the vacuum isolation box (1), and the exhaust pipe (18) is arranged at one end of the inner wall (11) close to one end of the water injection pipe (17) and is level to one end of the water injection pipe (17);

the power supply (2) is installed on the closed end of the vacuum isolation box (1), the vacuum pump (4), the processor (5) and the driving assembly (6) are fixedly arranged inside the inner wall (11) and close to the closed end of the vacuum isolation box (1), the processor (5) is connected with two measuring electrodes (51), the output end of the driving assembly (6) is located inside the inner wall (11), the cleaning brush (7) is fixed on the output end of the driving assembly (6), the power supply (2) and the processor (5) are mutually electrically connected, the processor (5) and the driving component (6) of the vacuum pump (4) and the power supply (2) can be respectively connected and operated through a plurality of switches (16), the first sealing gasket (8) and the second sealing gasket (9) are respectively matched with the end faces of the outer wall (12) and the inner wall (11) and fixed on the end faces of the inner wall (11) and the outer wall (12).

2. The device for rapidly measuring the contamination grade of the insulator according to the ESDD method as claimed in claim 1, wherein: the device also comprises a wireless transmission unit (3), wherein the wireless transmission unit (3) is electrically connected with the power supply (2) and the processor (5) respectively.

3. The device for rapidly measuring the contamination grade of the insulator according to the ESDD method as claimed in claim 1, wherein: the cleaning brush (7) comprises a brush rod (71) and a reinforcing rod (73), the brush rod (71) is fixed on the output end of the driving assembly (6), the reinforcing rod (73) is obliquely arranged, and two ends of the reinforcing rod are respectively and fixedly connected to the output end of the driving assembly (6) and the brush rod (71).

4. The device for rapidly measuring the contamination grade of the insulator according to the ESDD method as claimed in claim 3, wherein: at least two reinforcing rods (73) are arranged.

5. The device for rapidly measuring the contamination grade of the insulator according to the ESDD method as claimed in claim 1, wherein: the cross section of the first sealing gasket (8) is trapezoidal, and the smaller bottom surface of the first sealing gasket is fixedly connected to the end surface of the outer wall (12).

6. The device for rapidly measuring the contamination grade of the insulator according to the ESDD method as claimed in claim 5, wherein: the first sealing gasket (8) and the second sealing gasket (9) are processed to form an arc-shaped notch on one side departing from the outer wall (12) and the inner wall (11).

7. The device for rapidly measuring the contamination grade of the insulator according to the ESDD method as claimed in claim 6, wherein: the first sealing gasket (8) and the second sealing gasket (9) are both made of silica gel.

Technical Field

The invention relates to high-voltage power line testing equipment, in particular to a device for rapidly measuring the pollution grade of an insulator according to an ESDD method.

Background

High voltage power system circuit exposes in the outdoor operation throughout the year, uses same transmission line when passing through different districts, and different line segments can receive different degree pollution, can often appear flashover accident when the serious filthy district in line route, so need carry out filthy investigation to transmission line route region.

When pollution investigation is carried out, a worker is required to take down an insulator on a high-voltage circuit, samples pollutants on the surface of the insulator, and then uses an insulator salt density tester to detect and analyze a pollutant sample.

The insulator salt density tester tests the pollutants according to an ESDD method, namely, the ESDD method is characterized in that NaCL (sodium chloride) with equivalent content of conductive substances in the pollutants attached to the surface of the insulator in each square centimeter is called equivalent salt density for short. Since it is only related to the amount, composition and nature of the contamination of the insulator, it is called the static parameter of the contamination.

At present, when testing filth, need the staff to cut off the power supply to high-voltage line earlier, then load and go up the high-voltage electric tower, dismantle the insulator on the electric tower and make the insulator fall down, still need have the staff to open a canvas subaerially, use the insulator that the canvas will fall to catch to reduce and tear the destruction of getting insulator in-process to insulator surface filth, reduce the influence to the test result, at last by the manual filth on insulator surface of staff sample, test again.

The above prior art solutions have the following drawbacks: the in-process that the staff took off the insulator dismantlement and used article such as canvas to connect greatly, inevitable forms the filthy thing on insulator surface and destroys, and then leads to direct influence filthy thing test result, and in addition, the manual process such as sample of staff, off-line test, look up table conversion is comparatively complicated, wastes time and energy, and is lower to the test work efficiency of insulator surface filthy thing.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide the device for rapidly measuring the pollution grade of the insulator according to the ESDD method, and the device has the characteristics of simple and convenient operation and capability of reducing the possibility of influencing the test result.

The above object of the present invention is achieved by the following technical solutions: a device for rapidly measuring the pollution grade of an insulator according to an ESDD method comprises a vacuum isolation box, a power supply, a vacuum pump, a processor, a driving assembly, a cleaning brush, a first sealing gasket and a second sealing gasket, wherein two ends of the vacuum isolation box are respectively provided with an open end and a closed end and comprise an inner wall and an outer wall, the outer wall is sleeved outside the inner wall, the lengths of the inner wall and the outer wall are consistent, the vacuum isolation box is further provided with a display screen, a switch, a plurality of water injection pipes and an exhaust pipe, the display screen and the switch are both fixed outside the vacuum isolation box, two ends of the water injection pipes are respectively fixed and penetrate through the closed ends of the inner wall and the vacuum isolation box, two ends of the exhaust pipe are communicated with the inside and outside of the vacuum isolation box, and the exhaust pipe is arranged at one end of the inner wall, which is close to the water;

the power is installed on the seal end of vacuum isolation box, the vacuum pump the treater with drive assembly all fixes the blind end that sets up inside the inner wall and be close to vacuum isolation box, is connected with two measuring electrodes on the treater, and drive assembly's output is located inside the inner wall, and the clearance brush is fixed on drive assembly's output, forms the electricity each other between power and the treater and is connected, can make vacuum pump treater and drive assembly and power switch-on and work respectively through a plurality of switches, first sealed pad with the sealed pad of second respectively with outer wall and inner wall terminal surface adaptation to fix on the terminal surface of inner wall and outer wall.

Through adopting above-mentioned technical scheme, with subassembly settings such as power, wireless transmission unit, vacuum pump on the vacuum isolation box and inside, can make to measure insulator filthy thing grade device volume less, compact structure, the staff can use both hands to carry out the direct test of filthy thing in insulator surface after the simple operation, reduces loaded down with trivial details working process such as sample, does benefit to the staff and tests fast, conveniently.

The present invention in a preferred example may be further configured to: the wireless transmission unit is electrically connected with the power supply and the processor respectively.

By adopting the technical scheme, the final test data can be transmitted to the clients such as the mobile phone and the like through the wireless transmission unit, and the fact record can be carried out on the test data.

The present invention in a preferred example may be further configured to: the cleaning brush comprises a brush rod and a reinforcing rod, the brush rod is fixed at the output end of the driving assembly, the reinforcing rod is obliquely arranged, and two ends of the reinforcing rod are respectively and fixedly connected to the output end of the driving assembly and the brush rod.

Through adopting above-mentioned technical scheme, drive assembly's output shaft, brush-holder stud and stiffener form stable in structure's triangle-shaped structure, and then can strengthen the structural strength of brush-holder stud, reduce the possibility that the brush-holder stud damaged, in addition, the stiffener of slope can also strengthen the stirring to the solution in the vacuum isolation box after the water injection.

The present invention in a preferred example may be further configured to: at least two reinforcing rods are arranged.

Through adopting above-mentioned technical scheme, two piece at least stiffeners for solution stirring ground is more even under mutual disturbance, and then is favorable to the test result more accurate.

The present invention in a preferred example may be further configured to: the cross section of the first sealing gasket is trapezoidal, and the smaller bottom surface of the first sealing gasket is fixedly connected to the end surface of the outer wall.

Through adopting above-mentioned technical scheme, the adsorption area of the trapezoidal first sealed pad of transversal personally submitting can increase sealed bottom and insulator surface.

The present invention in a preferred example may be further configured to: the first sealing gasket with the second sealing gasket deviates from and is processed on one side of outer wall and inner wall and is formed with the arc breach.

Through adopting above-mentioned technical scheme, the arc breach can make first gasket and second gasket and insulator surface contact's one side take place deformation more easily, and then can adsorb the vacuum isolation box on the insulator more steadily, uses more reliably.

The present invention in a preferred example may be further configured to: the first sealing gasket and the second sealing gasket are both made of silica gel.

Through adopting above-mentioned technical scheme, the first sealed pad of making by silica gel has better reliability, compressibility with the second sealed pad, and viscidity is big, difficult ageing, can not dissolve in water and any solvent, relies on its better deformation can need not extra surface adhesive just can adsorb on irregular surface, and then can make the vacuum isolation box can stably adsorb on the relatively poor insulator of surface cleanliness.

In summary, the invention has the following beneficial technical effects:

1. by arranging the vacuum isolation box, the power supply, the vacuum pump, the processor, the driving assembly, the cleaning brush, the first sealing gasket and the second sealing gasket, the device for measuring the grade of the insulator dirt has smaller volume and compact structure, a worker can directly test the dirt on the surface of the insulator after simple operation by using two hands, the complex working processes of sampling and the like are reduced, and the rapid and convenient test of the worker is facilitated;

2. by arranging the wireless transmission unit, the final test data can be transmitted to clients such as mobile phones and the like, and the fact record can be carried out on the test data;

3. through setting up brush-holder stud and stiffener, drive assembly's output shaft, brush-holder stud and stiffener form stable in structure's triangle-shaped structure, and then can strengthen the structural strength of brush-holder stud, and the stiffener of slope can also strengthen the stirring to the solution in the vacuum isolation box after the water injection.

Drawings

FIG. 1 is a schematic structural diagram of a device for rapidly measuring the pollution level of an insulator according to an ESDD method;

FIG. 2 is a schematic cross-sectional structure diagram of a device for rapidly measuring the contamination grade of an insulator according to an ESDD method;

FIG. 3 is an enlarged partial schematic view of portion A of FIG. 2;

fig. 4 is a partially enlarged schematic view of a portion B in fig. 2.

In the figure, 1, a vacuum isolation box; 11. an inner wall; 12. an outer wall; 13. a top plate; 14. a fixing plate; 15. a display screen; 16. a switch; 17. a water injection pipe; 18. an exhaust pipe; 2. a power source; 3. a wireless transmission unit; 4. a vacuum pump; 5. a processor; 51. a measuring electrode; 6. a drive assembly; 61. a motor; 62. a connecting shaft; 63. a bevel gear; 64. a bearing; 7. cleaning a brush; 71. a brush bar; 72. brushing; 73. a reinforcing bar; 8. a first gasket; 9. a second gasket.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

With reference to fig. 1 and 2, the device for rapidly measuring the contamination grade of the insulator according to the ESDD disclosed by the invention comprises a vacuum isolation box 1, a power supply 2, a wireless transmission unit 3, a vacuum pump 4, a processor 5, a driving assembly 6, a cleaning brush 7, a first sealing gasket 8 and a second sealing gasket 9.

Referring to fig. 2, the vacuum insulation box 1 includes an inner wall 11, an outer wall 12 and a top plate 13, wherein the inner wall 11 and the outer wall 12 are both cylindrical structures, the outer wall 12 is coaxially sleeved outside the inner wall 11, the inner wall 11 and the outer wall 12 have the same length, and the top plate 13 is horizontally fixed on one end of the inner wall 11 and one end of the outer wall 12.

Still be provided with fixed plate 14 on the vacuum isolation box 1, display screen 15, switch 16, water injection pipe 17 and blast pipe 18, fixed plate 14 is disc-shaped and the level is provided with two, the diameter of fixed plate 14 is unanimous with the external diameter of inner wall 11, two fixed plate 14 intervals are fixed on inner wall 11 and are divided into the triplex with the hollow portion of inner wall 11, display screen 15 and the equal fixed mounting of switch 16 on roof 13, switch 16 is provided with a plurality ofly, the both ends of water injection pipe 17 are fixed respectively and are worn to establish on inner wall 11 and roof 13 and communicate vacuum isolation box 1 inside and outside, the one end that water injection pipe 17 wore to establish at inner wall 11 is less than the fixed plate 14 of below, blast pipe 18 slope sets up and its both ends are fixed respectively and are worn to establish on inner wall 11 and outer wall 12, 18 positions of blast pipe are installed and are close to the one end of.

The space between the inner wall 11 and the outer wall 12 can be vacuumized, the top plate 13 enables one ends of the inner wall 11 and the outer wall 12 to form a closed end, and the fixing plate 14 can provide a mounting base for the wireless transmission unit 3, the vacuum pump 4, the processor 5 and the driving assembly 6 and can also isolate the above components, so that the above components cannot be in contact with water to cause damage.

Referring to fig. 2, the power source 2 is detachably and fixedly installed on the top plate 13, thereby facilitating replacement of the power source 2. The wireless transmission unit 3 and the vacuum pump 4 are both fixedly mounted on the upper fixing plate 14, the vacuum pump 4 can vacuumize the space between the inner wall 11 and the outer wall 12, the processor 5 is a single chip microcomputer and is fixedly mounted on the lower fixing plate 14, and the processor 5 is connected with two measuring electrodes 51 and is respectively fixedly mounted on the lower portion of the lower fixing plate 14. The power source 2, the wireless transmission unit 3 and the processor 5 are electrically connected to each other. The wireless transmission unit 3, the vacuum pump 4, the processor 5 and the driving assembly 6 can be connected with the power supply 2 and operated through a plurality of switches 16.

Referring to fig. 2 and 3, the driving assembly 6 includes a motor 61, a connecting shaft 62, bevel gears 63 and bearings 64, the motor 61 is fixedly mounted on the upper portion of the fixing plate 14 below, the connecting shaft 62 vertically penetrates through the fixing plate 14 below and the axis of the connecting shaft coincides with the center of the circle of the fixing plate 14, the lower end of the connecting shaft 62 is located inside the inner wall 11, the bevel gears 63 are provided with two bevel gears 63 and are respectively fixedly mounted on the upper ends of the output shaft of the motor 61 and the connecting shaft 62, the two bevel gears 63 are meshed with each other, and the bearings 64 are mounted on the. The driving assembly 6 has simple structure, compact connection and convenient driving.

Preferably, the motor 61 adopts the micromotor 61, the micromotor 61 is small in size and light in weight, can run at low speed and high power, can save a large load directly driven by a speed reducer, is high in reliability, good in stability, small in vibration and smooth in running, can reduce the adverse effect of the vibration generated in the working process on the processor 5, has no radio interference, and can reduce the possibility of interference on the wireless transmission unit 3.

Referring to fig. 2, the cleaning brush 7 includes a brush rod 71, bristles 72 and two reinforcing rods 73, the brush rod 71 is horizontally disposed and fixed at the lower end of the connecting shaft 62, the brush rod 71 can rotate inside the inner wall 11, the bristles 72 are fixedly disposed below the brush rod 71, the lower ends of the bristles 72 are located outside the open end of the inner wall 11, the two reinforcing rods 73 are obliquely disposed, two ends of the reinforcing rods 73 are respectively fixed on the connecting shaft 62 and the brush rod 71, and the two reinforcing rods 73 are symmetrically disposed.

When the electric brush is used, the connecting shaft 62 can drive the brush rod 71 and the bristles 72 to rotate, and then dirt on the surface of the insulator can be brushed away. The lower extreme of brush hair 72 is located the uncovered outer insulator that can make brush hair 72 contact the insulator better of inner wall 11, and the clearance filth effect is better. The both ends of stiffener 73 are connected on connecting axle 62 with brush-holder stud 71 for connecting axle 62, brush-holder stud 71 and stiffener 73 pole form stable in structure's triangle-shaped structure, and then can strengthen brush-holder stud 71's structural strength, reduce the possibility that brush-holder stud 71 damaged, in addition, the stiffener 73 of slope can also strengthen the stirring to the solution in the vacuum isolation box 1 after the water injection, two stiffener 73 are under mutual perturbation, make solution stirring ground more even, and then be favorable to the test result more accurate.

Combine fig. 2, fig. 4, first sealed 8 and the sealed 9 of second packing are the ring form and respectively with the diameter adaptation of outer wall 12 and 11 terminal surfaces of inner wall, the transversal trapezoidal and less bottom surface fixed connection of personally submitting of first sealed 8 of filling up is on the terminal surface of outer wall 12, the sealed 9 fixed connection of second fills up is on the terminal surface of inner wall 11, first sealed 8 and the sealed 9 one side that deviates from outer wall 12 and inner wall 11 of second of filling up is processed and is formed with the arc breach, first sealed 8 and the sealed 9 of second of filling up is made by silica gel.

The first sealing gasket 8 and the second sealing gasket 9 made of silica gel have good reliability and compressibility, are high in viscosity and not easy to age, cannot be dissolved in water and any solvent, can be adsorbed on an irregular surface without extra surface adhesive by means of good deformation of the first sealing gasket and the second sealing gasket, and further can enable the vacuum isolation box 1 to be stably adsorbed on an insulator with poor surface cleanliness. The cross section of personally submitting trapezoidal first sealed pad 8 can increase the adsorption area at the bottom of the sealed with insulator surface, and the arc breach can make first sealed pad 8 and the sealed pad 9 of second and insulator surface contact's one side take place deformation more easily, and then can be more stably keep apart box 1 with the vacuum and adsorb on the insulator, use more reliably.

During the use, place vacuum isolation box 1 on the surface of insulator, and with the laminating of one side that first sealed pad 8 and second sealed pad 9 deviate from vacuum isolation box 1 on the insulator surface, press switch 16 and make power 2 be vacuum pump 4, wireless transmission unit 3, treater 5 provides electric power, then make vacuum pump 4 work and take out the space between inner wall 11 and outer wall 12 to vacuum state, inner wall 11 that first sealed pad 8 can be in second sealed pad 9 is laminated on the insulator surface with outer wall 12 better, be favorable to forming comparatively stable vacuum state between inner wall 11 and the outer wall 12, and then make vacuum isolation box 1 can stably adsorb on the insulator surface. The injector is then used to inject deionized water through the nozzle of the water injection tube 17 located on the top plate 13 into the inner wall 11 and the water injection is stopped when water is flowing out of the exhaust tube 18. When water is injected into the inner wall 11, air in the space of the inner wall 11 can be discharged through the exhaust pipe 18, and the water injection work can be completed. The cleaning brush 7 is used for cleaning dirt on the surface of the insulator through the driving assembly 6, and then the cleaning brush and the deionized water form a solution. The processor 5 forms a loop with the solution through the two measuring electrodes 51, the electric signal after forming the loop processes and analyzes the content of the pollutants through the processor 5, and finally, the data of the content of the pollutants is displayed on the display screen 15. The wireless transmission unit 3 can also transmit the final test data to the clients such as mobile phones and the like, and can record the fact of the test data.

With subassembly settings such as power 2, wireless transmission unit 3, vacuum pump 4 on vacuum isolation box 1 and inside, can make to measure insulator filth grade device volume less, compact structure, the staff can use both hands to directly test insulator surface filth after carrying out simple operation, reduces loaded down with trivial details working process such as sample, does benefit to the staff and tests fast, conveniently.

The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.