CN115308553A - Gas insulation test equipment - Google Patents
Gas insulation test equipment Download PDFInfo
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- CN115308553A CN115308553A CN202211116281.8A CN202211116281A CN115308553A CN 115308553 A CN115308553 A CN 115308553A CN 202211116281 A CN202211116281 A CN 202211116281A CN 115308553 A CN115308553 A CN 115308553A
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- 238000012360 testing method Methods 0.000 title claims abstract description 66
- 238000009413 insulation Methods 0.000 title claims abstract description 30
- 238000007789 sealing Methods 0.000 claims description 28
- 230000005540 biological transmission Effects 0.000 claims description 25
- 238000006073 displacement reaction Methods 0.000 claims description 12
- 230000009471 action Effects 0.000 claims description 11
- 239000004020 conductor Substances 0.000 claims description 10
- 230000007246 mechanism Effects 0.000 claims description 8
- 239000012212 insulator Substances 0.000 claims description 5
- 239000007789 gas Substances 0.000 description 32
- 238000000034 method Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 9
- 239000003638 chemical reducing agent Substances 0.000 description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 238000013142 basic testing Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000012812 general test Methods 0.000 description 1
- 239000005431 greenhouse gas Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
- G01R31/1227—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials
- G01R31/1254—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials of gas-insulated power appliances or vacuum gaps
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Abstract
The invention discloses a gas insulation test device, which comprises a box body suitable for being filled with test gas, a high-voltage end electrode connecting part, an upper electrode assembly and a lower electrode moving part, wherein the lower electrode assembly is arranged on the box body in a sliding manner; wherein, the lower electrode assembly comprises a grounding terminal electrode positioned in the box body; the upper electrode assembly comprises at least one high-voltage end electrode positioned in the box body. The high-voltage terminal electrode test device can test gas through at least one high-voltage terminal electrode without disassembling equipment, can conveniently adjust the distance between the high-voltage terminal electrode and the grounding terminal electrode, and is very convenient to use.
Description
Technical Field
The invention relates to gas insulation test equipment which is suitable for testing the insulation performance basic data of various gases.
Background
Currently, due to the ultra-high GWP (global warming potential) of SF6 gas, SF6 is one of six greenhouse gases that limit emissions in the kyoto protocol 1997. Therefore, it is of great significance to find an environmentally friendly gas as a substitute for SF6 gas for electric power equipment. At present, nitrogen, dry air and C are contained in the market 4 F 7 N or C 5 F 10 The mixed gas of O and the like is potential substitute objects for SF6 gas, but how to obtain the specific insulation performance requires a great deal of basic test research as a support, and the gas insulation test is an essential researchAnd (4) researching the project.
Chinese patent No. CN103257307A discloses a gas insulation test device, which has the following problems: (1) The two test electrodes are arranged on the two supporting pieces of the box body, and the box body is inevitably deformed after the box body is inflated, so that the distance between the two electrodes is deviated, and the inaccuracy of test data is further caused. (2) The space of adjusting the electrode in the patent relies on lead screw transmission to realize, and actual precision is relatively poor, be unfavorable for basic research. (3) Although the observation window is arranged, in order to ensure the safety of the tester, the general test article is far away from the tester, which is not favorable for observing the discharge condition between the electrodes, especially for recording the test process; (4) For the discharge comparison of different electrodes, the electrodes need to be frequently replaced, and new assembly errors, gas pressure errors and the like are generated.
Disclosure of Invention
The technical problem to be solved by the invention is to overcome the defects of the prior art, and provide a gas insulation test device which can test the test gas through at least one high-voltage terminal electrode without disassembling the device, can conveniently adjust the distance between the high-voltage terminal electrode and the grounding terminal electrode, and is very convenient to use.
In order to solve the technical problems, the technical scheme of the invention is as follows: a gas insulation test apparatus comprising:
a tank adapted to be filled with a test gas;
the lower electrode assembly is arranged on the box body in a sliding mode and comprises a grounding end electrode positioned in the box body;
the high-voltage end electrode connecting part is arranged on the box body;
the upper electrode assembly is rotatably arranged on the box body and comprises at least one high-voltage end electrode positioned in the box body, and one high-voltage end electrode is electrically connected with the high-voltage end electrode connecting part by rotating the upper electrode assembly on the box body;
and a lower electrode moving part connected with the lower electrode assembly to drive the lower electrode assembly to slide on the box body so as to adjust the distance between the grounding end electrode and the high-voltage end electrode.
Further, in order to avoid the influence of deviation caused by deformation of the box body after the box body is filled with the test gas, the box body comprises an integrally arranged plate, and the lower electrode assembly is arranged on the plate in a sliding mode;
the plate is provided with a supporting part, the upper electrode assembly is rotatably arranged on the supporting part, and the upper electrode assembly and the lower electrode assembly are insulated and separated through the supporting part.
Further, there is provided a concrete structure of a support member, the support member including:
a lower support mounted on the panel;
an upper support member rotatably coupled to the upper electrode assembly;
at least one insulator connected between the lower support and the upper support.
Further, a clamping structure is arranged between the upper electrode assembly and the supporting component, and the clamping structure limits the other degrees of freedom of the upper electrode assembly on the supporting component except for rotation.
Further, a specific structure of a high-voltage terminal electrode connection part is provided, the high-voltage terminal electrode connection part includes:
the wire outlet sleeve is arranged on the box body;
the elastic conductor is arranged on the supporting part and is suitable for being electrically connected with the high-voltage terminal electrode;
and the telescopic cable is electrically connected with the outgoing line sleeve and the elastic conductor.
Further, there is provided a specific structure of an upper electrode assembly, the upper electrode assembly including:
the rotating shaft is rotatably arranged on the box body;
a turntable connected to the rotating shaft;
and the high-voltage end electrode is arranged on the rotary disc.
Further, for the convenience of selecting at least two kinds of high-voltage terminal electrodes, the high-voltage terminal electrodes are at least two and different and are arranged along the circumferential direction of the turntable, and the high-voltage terminal electrodes are mutually insulated and separated.
Furthermore, in order to improve the sealing performance of the box body, an upper movable sealing element is arranged at the connecting part between the rotating shaft and the box body.
Further, there is provided a specific structure of a lower electrode assembly, the lower electrode assembly further including:
the connecting rod is arranged on the box body in a sliding mode, the part of the connecting rod extends out of the box body and is connected with the lower electrode moving part, and the grounding end electrode is connected to the connecting rod.
Further, in order to improve the sealing performance of the box body, a downward moving sealing piece is arranged at the connecting part between the connecting rod and the box body.
Further, there is provided a concrete structure of a lower electrode moving part including:
a drive link connected to the lower electrode assembly;
and the power part is connected with the transmission rod through a transmission mechanism and drives the transmission rod to lift up and down through the power part.
Further, a specific structure of a transmission mechanism is provided, the transmission mechanism includes:
a gear mounted on an output end of the power member, the power member driving the gear to rotate;
and the rack part is arranged on the transmission rod and is meshed with the gear.
Further, in order to control the distance between the high-voltage end electrode and the grounding end electrode, the gas insulation test equipment further comprises a controller and a distance acquisition assembly for acquiring the moving distance of the lower electrode assembly, and the controller is suitable for manually or automatically controlling the action of the lower electrode moving part according to the moving distance acquired by the distance acquisition assembly.
Further, a specific structure of a lower electrode assembly is provided, wherein the lower electrode assembly further comprises a connecting rod, the connecting rod is slidably arranged on the box body, and a part of the connecting rod extends out of the box body and is connected with the lower electrode moving part; wherein,
the distance acquisition assembly is a distance mark arranged on the connecting rod, and the controller is manually controlled according to the distance mark to control the action of the lower electrode moving part.
Further, a specific structure of the distance collecting assembly is provided, the distance collecting assembly is a displacement sensor, the displacement sensor is mounted on the lower electrode assembly or the lower electrode moving part to collect the moving distance of the lower electrode assembly, and the controller is adapted to automatically control the action of the lower electrode moving part according to the collected moving distance.
Further, a first self-sealing valve is arranged on the box body, and test gas is filled into the box body through the first self-sealing valve;
and/or the box body is provided with a second self-sealing valve, and the second self-sealing valve is provided with a meter for measuring the pressure and/or the temperature and/or the humidity of the test gas filled in the box body;
and/or the box body is provided with a grounding post.
After the technical scheme is adopted, the invention has the following beneficial effects:
1. the upper electrode can comprise at least one type or shape of high-voltage end electrode, and one high-voltage end electrode can be selected to be connected with the high-voltage end electrode connecting part by rotating the upper electrode assembly on the box body, so that the aim of testing the test gas through at least one high-voltage end electrode can be fulfilled without disassembling equipment;
2. after the high-voltage end electrode is selected by rotating the upper electrode assembly, the lower electrode assembly can be moved by the lower electrode moving part, so that the distance between the grounding end electrode and the high-voltage end electrode is adjusted;
3. the box body can be internally provided with the illuminating lamp and the camera, can display in real time through the background, and is convenient for visually observing the discharge condition among test gases in the test process;
4. the invention can know the moving condition of the grounding end electrode in real time through the distance mark or the displacement sensor, thereby meeting the requirement of high-precision distance control;
5. the box body of the invention is internally provided with two self-sealing valves, one of which is connected with the meter, can realize the functions of inflating through one self-sealing valve and reading the air pressure value through the meter, is convenient for observing inflation pressure in real time, and the meter can be internally provided with a temperature sensor, a humidity sensor and a pressure sensor, and can upload the data in real time, thereby being beneficial to controlling the action of a single variable factor in the test process;
6. a special grounding column is welded on the box body, so that the box body is conveniently grounded in the test process;
7. the grounding end electrode and the high-voltage end electrode adopt the same datum point, and by the mode, the influence caused by deformation of the plate is equivalent to the upper electrode assembly and the lower electrode assembly when the box body is inflated, and the integrally arranged plate can avoid the deviation influence caused by deformation after the box body is inflated with test gas.
Drawings
FIG. 1 is a schematic view of the structure of a gas insulation test apparatus according to the present invention;
FIG. 2 is a first schematic structural diagram of the case according to the present invention;
FIG. 3 is a second structural diagram of the case according to the present invention;
FIG. 4 is a schematic view of the internal structure of the case of the present invention;
FIG. 5 is an enlarged view of portion A of FIG. 4;
FIG. 6 is a schematic view of the structure of the lower electrode moving part of the present invention.
Detailed Description
In order that the present invention may be more readily and clearly understood, a more particular description of the invention briefly described above will be rendered by reference to specific embodiments that are illustrated in the appended drawings.
As shown in fig. 1 to 6, in the present embodiment, a gas insulation test apparatus includes:
a tank 1 adapted to be filled with a test gas;
a lower electrode assembly slidably fitted on the case 1, the lower electrode assembly including a ground terminal electrode 41 located inside the case 1;
the high-voltage end electrode connecting part is arranged on the box body 1;
the upper electrode assembly is rotatably arranged on the box body 1 and comprises three high-voltage end electrodes 23 positioned in the box body 1, and one high-voltage end electrode 23 is electrically connected with the high-voltage end electrode connecting part by rotating the upper electrode assembly on the box body 1;
and a lower electrode moving part connected to the lower electrode assembly to drive the lower electrode assembly to slide on the case 1 to adjust the interval between the ground terminal electrode 41 and the high voltage terminal electrode 23.
In the present embodiment, three high-voltage terminal electrodes 23 are provided, but the number is not limited to this, and 1 or 2 or other numbers may be provided, and the electrode terminals of the high-voltage terminal electrodes 23 may be semicircular or cylindrical or conical.
As shown in fig. 4, in the present embodiment, the case 1 includes an integrally provided plate 11, and the lower electrode assembly is slidably fitted on the plate 11;
a support member is mounted on the plate 11, and an upper electrode assembly is rotatably mounted on the support member, the upper electrode assembly and a lower electrode assembly being insulated from each other by the support member.
In this embodiment, the lower electrode assembly is slidably mounted on the plate 11, the upper electrode assembly is mounted on the support member fixed on the plate 11, and the ground terminal electrode 41 and the high voltage terminal electrode 23 use the same reference point, so that the deformation of the plate 11 during inflation has the same effect on the upper electrode assembly and the lower electrode assembly, and the integrally arranged plate 11 can avoid the deviation effect caused by the deformation of the case after the test gas is filled.
As shown in fig. 4-5, in this embodiment, an illuminating lamp 115 and a camera 116 may be further installed in the box, and a test process is recorded by the camera 116, so as to facilitate repeated study of the test process, and display in real time through a background, so as to facilitate visual observation of discharge conditions between test gases during the test process.
Specifically, as shown in fig. 4, the support member may have a structure including:
a lower support 111 mounted on the panel 11;
an upper support 112 rotatably connecting the upper electrode assembly;
two insulators 113 connected between the lower support 111 and the upper support 112.
In the present embodiment, the number of the insulators 113 is not limited to two, and may be other numbers, and both the lower support 111 and the upper support 112 may be made of an insulating material.
Specifically, as shown in fig. 4 to 5, the high-voltage terminal electrode connection member may have a structure including:
an outgoing line sleeve 31 mounted on the case 1;
an elastic conductor 32 mounted on the support member, the elastic conductor 32 being adapted to be electrically connected to the high-voltage terminal electrode 23;
and a telescopic cable 33 electrically connecting the outlet sleeve 31 and the elastic conductor 32.
In the present embodiment, as shown in fig. 2, the outlet sleeve 31 is fixed on the box body 1 through the sleeve pressing plate 600, the outlet sleeve 31 has a sealing function, the upper interface can be connected with an external test cable, the lower end is connected with the elastic conductor 32 through the telescopic cable 33, the telescopic cable 33 plays a role of conducting electricity, and the length is telescopic, so that the telescopic cable 33 and the outlet sleeve 31 are pre-fixed outside the box body.
Specifically, as shown in fig. 4-5, the upper electrode assembly may have the following structure, including:
a rotating shaft 21 rotatably installed on the case 1;
a turntable 22 connected to the rotating shaft 21;
and a high-voltage end electrode 23 arranged on the rotary disc 22.
In this embodiment, a wrench portion may be disposed on a portion of the rotating shaft 21 extending out of the box body 1, and the rotating shaft 21 may be rotated by operating the wrench portion with a tool, but the rotation of the rotating shaft 21 may also be driven by a driving mechanism.
In addition, the turntable 22 and the rotating shaft 21 are made of insulating materials.
As shown in fig. 5, in the present embodiment, a fixing structure 114 is disposed between the upper electrode assembly and the supporting member 111, and the fixing structure 114 defines the remaining degrees of freedom of the upper electrode assembly on the supporting member 111 except for rotation.
In this embodiment, the fastening structure 114 may be two snap springs, the rotating shaft 21 passes through the upper supporting member 112, and the upper side and the lower side of the rotating shaft 21 on the upper supporting member 112 are respectively fastened by one snap spring, so as to achieve the fastening purpose, and at the same time, the rotating shaft 21 can rotate relative to the upper supporting member 112.
As shown in fig. 4-5, in the present embodiment, the high-voltage terminal electrodes 23 are three and different and are arranged along the circumferential direction of the turntable 22, and the high-voltage terminal electrodes 23 are insulated and separated from each other.
In the present embodiment, in order to improve the sealing performance of the casing 1, as shown in fig. 4, the upper dynamic seal 24 is provided at the connecting portion between the rotary shaft 21 and the casing 1.
Specifically, as shown in fig. 4, the lower electrode assembly may have the following structure, and further includes:
and a connecting rod 42 which is slidably fitted on the case 1, wherein a part of the connecting rod 42 extends out of the case 1 to be connected with the lower electrode moving member, and the grounding terminal electrode 41 is connected to the connecting rod 42.
Specifically, the ground terminal electrode 41 is disk-shaped and is screwed to the end of the connection rod 42.
Similarly, in order to improve the sealing performance of the casing, as shown in fig. 4, a lower dynamic seal 43 is provided at a connecting portion between the connecting rod 42 and the casing 1.
In this embodiment, as shown in fig. 4, the upper dynamic seal 24 and the lower dynamic seal 43 are well known devices of those skilled in the art, specifically, the lower dynamic seal 43 includes a seal ring therein, and a portion located inside the box body 1 is provided with an external thread, the lower dynamic seal 43 is screwed to the lower dynamic seal fixing member through the external thread, the lower dynamic seal 43 is fastened to the box body 1 through the lower dynamic seal fixing member, the lower support 111 is sleeved on the lower dynamic seal 43, and is screwed to the lower dynamic seal 43 through the insulator support fixing member 400, thereby fixing the lower support 111.
Specifically, as shown in fig. 6, the lower electrode moving part may have a structure including:
a transmission rod 51, the transmission rod 51 being connected to the lower electrode assembly;
and the power part is connected with the transmission rod through a transmission mechanism and drives the transmission rod to lift up and down through the power part.
As shown in fig. 5, in the present embodiment, the power member may include a motor 52 and a speed reducer 53, and an output end of the motor 52 is connected to an input end of the speed reducer 53.
Specifically, as shown in fig. 6, the transmission mechanism may be of a structure including:
a gear 54, the gear 54 being mounted on an output end of the speed reducer 53, the power member driving the gear 54 to rotate;
a rack portion 55 provided on the transmission rod 51, and the rack portion 55 is engaged with the gear 54.
Specifically, the motor 52 is operated to rotate the gear 54 through the reducer 53, so as to move the rack portion 55 and the transmission rod 51 up and down, thereby moving the lower electrode assembly up and down relative to the case.
As shown in fig. 1, in the present embodiment, the device further comprises a controller 6 and a distance acquisition assembly for acquiring the moving distance of the lower electrode assembly, wherein the controller 6 is adapted to manually or automatically control the action of the lower electrode moving part according to the moving distance acquired by the distance acquisition assembly; wherein,
the distance acquisition assembly can comprise a distance mark arranged on a connecting rod 42 in the lower electrode assembly, and the controller 6 is manually controlled according to the distance mark to control the action of the lower electrode moving part; specifically, the box body 1 is further provided with a scale cover 44, the scale cover 44 is carved with a size, the scale cover 44 is made of a transparent material, the function of observing the actual displacement of the connecting rod 42 can be realized through the matching of the scale cover 44 and the distance mark, the calibration function can also be realized, then the action of the lower electrode moving part can be manually controlled through the controller 6, so that the distance between the high-voltage end electrode 23 and the grounding end electrode 41 can be adjusted, and the mode is a mode for accurately controlling the distance requirement;
of course, there is another way to automatically control the distance requirement, as shown in fig. 1, the distance collecting assembly may further include a displacement sensor 7, the displacement sensor 7 is mounted on the lower electrode assembly or the lower electrode moving part to collect the moving distance of the lower electrode assembly, and the controller 6 is adapted to automatically control the action of the lower electrode moving part according to the collected moving distance; in the present embodiment, the displacement sensor 7 is mounted on the transmission rod 51, and when the transmission rod 51 moves up and down, the displacement of the transmission rod 51 is accurately measured and transmitted to the controller 6.
As shown in fig. 1, in the present embodiment, a support 200 is installed below the case 1, and the support 200 functions to support the case 1, the lower electrode moving part, the controller 6, and the distance collecting assembly; four pulleys 201 are mounted on the bottom of the support 200.
In this embodiment, as shown in fig. 1, a roller 500 is fixed on the bracket 200, and the transmission rod 51 is attached to the roller 500 to support and guide the transmission rod 51 well.
As shown in fig. 2-3, in the present embodiment, a first self-sealing valve 8 is disposed on the box body 1, and a test gas is filled into the box body 1 through the first self-sealing valve 7;
the box body 1 is also provided with a second self-sealing valve 9, and the second self-sealing valve 9 is provided with a meter 91 for measuring the pressure, the temperature and the humidity of the test gas filled in the box body 1;
as shown in fig. 3, the box body 1 is further provided with a grounding column 10, and the grounding column 10 is welded below the box body 1, so that the shell of the box body can be conveniently grounded during a test.
In this embodiment, the box 1 is filled with the test gas through the first self-sealing valve 8, the second self-sealing valve 9 is connected with the meter 91, so that the functions of inflating and reading the air pressure value through the meter 91 can be realized, the inflation pressure can be observed in real time conveniently, a temperature sensor, a humidity sensor and a pressure sensor can be arranged in the meter 91, the data can be uploaded in real time, and the function of controlling a single variable factor in the test process is facilitated.
As shown in fig. 3, in the present embodiment, the tank 1 is further provided with a relief valve 100 for preventing overpressure inside the tank.
As shown in fig. 1-2, in this embodiment, the box body 1 is further provided with an observation window 300 for facilitating observation of the inside of the box body, the observation window 300 is made of a transparent non-metallic material, and a sealing ring is disposed between the observation window 300 and the box body 1 for sealing.
In the gas insulation test equipment, in the inflation process, after the integral assembly is finished, a gas medium to be researched is filled into the box body 1 from the first self-sealing valve 8, and the gauge 91 can display the inflation pressure value in real time.
Selecting the high-voltage terminal electrode 23: the high-voltage end electrode 23 required on the upper electrode assembly is connected with the elastic conductor 32 by rotating the upper electrode assembly;
adjusting the distance between the electrodes: the rotation of the motor is controlled to drive the lower electrode assembly to move up and down, so that the distance between the high-voltage end electrode 23 and the grounding end electrode 41 is adjusted (by means of the displacement sensor 7 or the scale cover and the distance mark), the function of observing the moving distance of the grounding end electrode 41 is achieved, and in addition, the scale cover can play a role in verifying the displacement sensor 7)
And (3) testing: the outgoing line sleeve 31 is connected with the high-voltage end of the test equipment, and the equipment shell is connected into a grounding loop through the grounding post 10 to carry out the test.
The above embodiments are described in further detail to solve the technical problems, technical solutions and advantages of the present invention, and it should be understood that the above embodiments are only examples of the present invention and are not intended to limit the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (16)
1. A gas insulation test apparatus, comprising:
a tank (1) suitable for being filled with a test gas;
the lower electrode assembly is arranged on the box body (1) in a sliding mode and comprises a grounding end electrode (41) positioned in the box body (1);
the high-voltage end electrode connecting part is arranged on the box body (1);
the upper electrode assembly is rotatably arranged on the box body (1), the upper electrode assembly comprises at least one high-voltage end electrode (23) positioned in the box body (1), and one high-voltage end electrode (23) is electrically connected with the high-voltage end electrode connecting part by rotating the upper electrode assembly on the box body (1);
and a lower electrode moving part connected to the lower electrode assembly to drive the lower electrode assembly to slide on the case (1) to adjust the distance between the ground terminal electrode (41) and the high voltage terminal electrode (23).
2. The gas insulation test apparatus according to claim 1,
the box body (1) comprises an integrally arranged plate (11), and the lower electrode assembly is slidably matched on the plate (11);
the plate (11) is provided with a supporting part, the upper electrode assembly is rotatably arranged on the supporting part, and the upper electrode assembly and the lower electrode assembly are insulated and separated through the supporting part.
3. The gas insulation test apparatus according to claim 2,
the support member includes:
a lower support (111) mounted on the plate (11);
an upper support (112) rotatably connected to the upper electrode assembly;
at least one insulator (113) connected between the lower support (111) and the upper support (112).
4. The gas insulation test apparatus according to claim 2,
a clamping structure (114) is arranged between the upper electrode assembly and the supporting component (111), and the clamping structure (114) limits the other degrees of freedom of the upper electrode assembly on the supporting component (111) except rotation.
5. The gas insulation test apparatus according to claim 2,
the high-voltage terminal electrode connection member includes:
the outgoing line sleeve (31) is installed on the box body (1);
an elastic conductor (32) mounted on the support member (111), the elastic conductor (32) being adapted to be electrically connected to the high-voltage terminal electrode (23);
a telescopic cable (33) electrically connecting the outlet sleeve (31) and the elastic conductor (32).
6. The gas insulation test apparatus according to claim 1,
the upper electrode assembly includes:
a rotating shaft (21) rotatably mounted on the box body (1);
a rotary disc (22) connected to the rotary shaft (21);
and a high-voltage terminal electrode (23) arranged on the turntable (22).
7. The gas insulation test apparatus according to claim 6,
high pressure end electrode (23) are equipped with at least two and different to set up along the circumference of carousel (22), separate each other insulatingly between high pressure end electrode (23).
8. The gas insulation test apparatus according to claim 6,
and an upper dynamic sealing element (24) is arranged at the connecting part between the rotating shaft (21) and the box body (1).
9. The gas insulation test apparatus according to claim 1,
the lower electrode assembly further includes:
the connecting rod (42), the connecting rod (42) sliding fit is in on box (1), the part of connecting rod (42) stretches out outside box (1) with lower electrode moving part links to each other, ground connection end electrode (41) are connected on connecting rod (42).
10. The gas insulation test apparatus according to claim 9,
and a connecting part between the connecting rod (42) and the box body (1) is provided with a lower moving sealing piece (43).
11. Gas insulation test equipment according to claim 1 or 9,
the lower electrode moving part includes:
a drive link (51), the drive link (51) being connected to the lower electrode assembly;
and the power part is connected with the transmission rod through a transmission mechanism and drives the transmission rod to lift up and down through the power part.
12. The gas insulation test apparatus according to claim 11,
the transmission mechanism includes:
a gear (54), the gear (54) being mounted on an output end of the power member, the power member driving the gear (54) to rotate;
and a rack part (55) arranged on the transmission rod (51), wherein the rack part (55) is meshed with the gear (54).
13. The gas insulation test apparatus according to claim 1,
the electrode assembly further comprises a controller (6) and a distance acquisition assembly for acquiring the moving distance of the lower electrode assembly, wherein the controller (6) is suitable for manually or automatically controlling the action of the lower electrode moving part according to the moving distance acquired by the distance acquisition assembly.
14. The gas insulation test apparatus according to claim 13,
the lower electrode assembly further comprises a connecting rod (42), the connecting rod (42) is slidably matched on the box body (1), and part of the connecting rod (42) extends out of the box body (1) and is connected with the lower electrode moving part; wherein,
the distance acquisition assembly is a distance mark arranged on the connecting rod (42), and the controller (6) is manually controlled according to the distance mark to control the action of the lower electrode moving part.
15. The gas insulation test apparatus according to claim 13,
the distance acquisition assembly is a displacement sensor, the displacement sensor is arranged on the lower electrode assembly or the lower electrode moving part to acquire the moving distance of the lower electrode assembly, and the controller (6) is suitable for automatically controlling the action of the lower electrode moving part according to the acquired moving distance.
16. The gas insulation test apparatus according to claim 1,
a first self-sealing valve (8) is arranged on the box body (1), and test gas is filled into the box body (1) through the first self-sealing valve (8);
and/or a second self-sealing valve (9) is arranged on the box body (1), and a meter (91) for measuring the pressure and/or the temperature and/or the humidity of the test gas filled in the box body (1) is arranged on the second self-sealing valve (9);
and/or a grounding column (10) is arranged on the box body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211116281.8A CN115308553B (en) | 2022-09-14 | 2022-09-14 | Gas insulation test equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211116281.8A CN115308553B (en) | 2022-09-14 | 2022-09-14 | Gas insulation test equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115308553A true CN115308553A (en) | 2022-11-08 |
| CN115308553B CN115308553B (en) | 2023-08-04 |
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