CN115308553B - Gas insulation test equipment - Google Patents
Gas insulation test equipment Download PDFInfo
- Publication number
- CN115308553B CN115308553B CN202211116281.8A CN202211116281A CN115308553B CN 115308553 B CN115308553 B CN 115308553B CN 202211116281 A CN202211116281 A CN 202211116281A CN 115308553 B CN115308553 B CN 115308553B
- Authority
- CN
- China
- Prior art keywords
- electrode assembly
- lower electrode
- box body
- voltage terminal
- gas insulation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 61
- 238000009413 insulation Methods 0.000 title claims abstract description 23
- 230000005540 biological transmission Effects 0.000 claims description 25
- 238000007789 sealing Methods 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 11
- 230000007246 mechanism Effects 0.000 claims description 7
- 239000012212 insulator Substances 0.000 claims description 5
- 239000007789 gas Substances 0.000 description 31
- 238000000034 method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 8
- 230000009286 beneficial effect Effects 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 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
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005429 filling process Methods 0.000 description 1
- 239000005431 greenhouse gas Substances 0.000 description 1
- 239000000463 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
- 238000010792 warming Methods 0.000 description 1
Classifications
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
Abstract
The invention discloses a gas insulation test device, which comprises a box body, a high-voltage end electrode connecting part, an upper electrode assembly and a lower electrode moving part, wherein the box body is suitable for filling test gas, the lower electrode assembly is slidably arranged on 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 the lower electrode moving part is connected with the lower electrode assembly to drive the lower electrode assembly to slide on the box body so as to adjust the interval between a grounding end electrode and the high-voltage end electrode; wherein, the lower electrode assembly comprises a grounding terminal electrode positioned in the box body; the upper electrode assembly includes at least one high voltage terminal electrode positioned within the housing. The high-voltage terminal electrode test device not only can test gas through at least one high-voltage terminal electrode under the condition of not disassembling equipment, but also 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 a gas insulation test device which is suitable for testing insulation performance basic data of various gases.
Background
Currently, SF6 is one of six greenhouse gases that are limited in emissions in the kyoto protocol in 1997 due to its ultra-high GWP (global warming potential). It is therefore of great importance for electrical equipment to seek environmentally friendly gases that replace SF6 gas. At present, the market contains nitrogen, dry air and C 4 F 7 N or C 5 F 10 O, etc., are all potential replacement targets for the SF6 gas, but a great deal of basic test research is required for supporting the specific insulation performance, and the gas insulation test is an indispensable research item.
The chinese patent publication No. CN103257307a discloses a gas insulation test device, which has the following problems: (1) The two test electrodes are positioned on the two supporting pieces of the box body, and when the box body is inflated, the box body is inevitably deformed, so that deviation of the distance between the two electrodes is caused, and inaccuracy of test data is further caused. (2) The pitch of the adjusting electrodes in the patent is realized by means of screw rod transmission, so that the actual precision is poor and the basic research is not facilitated. (3) Although an observation window is formed, in order to ensure the safety of the test personnel, the test sample is generally far away from the test personnel, and is not beneficial to observing the discharge condition between electrodes, in particular to recording the test process; (4) For discharge comparison of different electrodes, the electrodes need to be replaced frequently, and new assembly errors, gas pressure errors and the like are generated.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, and provides a gas insulation test device which can test gas through at least one high-voltage terminal electrode under the condition of not disassembling the device, can conveniently adjust the distance between the high-voltage terminal electrode and a 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 slidingly matched on the box body 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 component through rotating the upper electrode assembly on the box body;
and a lower electrode moving part connected to the lower electrode assembly to drive the lower electrode assembly to slide on the case to adjust a distance between the ground terminal electrode and the high voltage terminal electrode.
Further, in order to avoid deviation influence caused by deformation of the case after the case is filled with the test gas, the case includes a plate integrally provided with the lower electrode assembly, the lower electrode assembly being slidably fitted on the plate;
the upper electrode assembly is rotatably mounted on the support member, and the upper electrode assembly and the lower electrode assembly are insulated from each other by the support member.
Further, there is provided a concrete structure of a support member, the support member comprising:
a lower support mounted on the plate;
an upper support rotatably coupled to the upper electrode assembly;
at least one insulator is connected between the lower support and the upper support.
Further, a clamping structure is arranged between the upper electrode assembly and the upper support member, and the clamping structure limits the rest degrees of freedom of the upper electrode assembly on the upper support member except rotation.
Further, there is provided a specific structure of a high-voltage terminal electrode connecting part comprising:
an outlet sleeve mounted on the box;
an elastic conductor mounted on the upper support, the elastic conductor being adapted to be electrically connected to the high voltage terminal electrode;
and the telescopic cable is electrically connected with the outlet sleeve and the elastic conductor.
Further, there is provided a specific structure of an upper electrode assembly, the upper electrode assembly including:
a rotating shaft rotatably mounted on the case;
a turntable connected to the rotating shaft;
and a high-voltage terminal electrode arranged on the turntable.
Further, in order to facilitate selection of at least two high-voltage end electrodes, the high-voltage end electrodes are provided with at least two and different high-voltage end electrodes and are arranged along the circumferential direction of the turntable, and the high-voltage end electrodes are mutually isolated and isolated.
Further, in order to improve the sealability of the case, an upper dynamic seal member is provided at a connection portion between the rotating shaft and the case.
Further, there is provided a specific structure of a lower electrode assembly, the lower electrode assembly further comprising:
the connecting rod is slidingly matched on the box body, part of the connecting rod stretches out of the box body and is connected with the lower electrode moving part, and the grounding end electrode is connected on the connecting rod.
Further, in order to improve the sealability of the case, a lower dynamic seal member is provided at a connection portion between the connection rod and the case.
Further, there is provided a specific structure of a lower electrode moving member including:
the transmission rod is connected with the lower electrode assembly;
the power piece is connected with the transmission rod through a transmission mechanism, and the transmission rod is driven to lift up and down through the power piece.
Further, there is provided a specific structure of a transmission mechanism including:
the gear is arranged at the output end of the power piece, and the power piece drives the gear to rotate;
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 terminal electrode and the ground terminal electrode, the gas-insulated test apparatus further comprises a controller and a distance acquisition assembly for acquiring the moving distance of the lower electrode assembly, wherein 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, the lower electrode assembly further comprises a connecting rod, the connecting rod is slidingly matched on the box body, and a part of the connecting rod extends out of the box body to be connected with the lower electrode moving part; wherein,,
the distance acquisition component is a distance mark arranged on the connecting rod, and the controller is manually controlled according to the distance mark so as to control the action of the lower electrode moving part.
Further, a specific structure of a 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 component to collect the moving distance of the lower electrode assembly, and the controller is suitable for automatically controlling the action of the lower electrode moving component 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 column.
After the technical scheme is adopted, the invention has the following beneficial effects:
1. the upper electrode of the invention can comprise at least one type or shape of high-voltage terminal electrode, and the upper electrode assembly can be rotated on the box body, so that one high-voltage terminal electrode is selected to be connected with the high-voltage terminal electrode connecting part, and the aim of testing the test gas through the at least one high-voltage terminal electrode under the condition of not disassembling equipment is fulfilled;
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, and can be displayed in real time through the background, so that the discharge condition among test gases can be visually observed in the test process;
4. according to the invention, the movement condition of the grounding end electrode can be known in real time through the distance mark or the displacement sensor, so that the requirement of high-precision space control is met;
5. the self-sealing valve is arranged in the box body, one of the self-sealing valves is connected with the meter, the function of charging through the self-sealing valve and reading the air pressure value through the meter can be realized, the charging pressure can be conveniently observed in real time, the temperature sensor, the humidity sensor and the pressure sensor can be arranged in the meter, the data can be uploaded in real time, and the effect of controlling a single variable factor in the test process is facilitated;
6. the special grounding column is welded on the box body, so that the box body is convenient to ground in the test process;
7. the grounding terminal electrode and the high-voltage terminal electrode adopt the same datum point, in this way, the influence caused by deformation of the plate is equivalent to the upper electrode assembly and the lower electrode assembly when the gas is filled, and the integrally arranged plate can avoid deviation influence caused by deformation of the box body after the test gas is filled.
Drawings
FIG. 1 is a schematic view of a gas insulation test apparatus according to the present invention;
FIG. 2 is a schematic diagram of a case according to the present invention;
FIG. 3 is a schematic diagram of a second embodiment of the case of 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 a 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 invention may be more readily understood, a more particular description of the invention 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 in the case 1;
a high-voltage end electrode connecting part which is installed on the case 1;
an upper electrode assembly rotatably mounted on the case 1, the upper electrode assembly including three high-voltage terminal electrodes 23 positioned in the case 1, one of the high-voltage terminal electrodes 23 being electrically connected to the high-voltage terminal electrode connection part by rotating the upper electrode assembly on the case 1;
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, the high voltage terminal electrode 23 is provided with three, but not limited thereto, and may be provided in 1 or 2 or other numbers, and the electrode terminal of the high voltage terminal electrode 23 may be semicircular or cylindrical or conical.
As shown in fig. 4, in the present embodiment, the case 1 includes a plate 11 integrally provided, and the lower electrode assembly is slidably fitted on the plate 11;
the plate 11 is mounted with a support member on which the upper electrode assembly is rotatably mounted, and the upper electrode assembly and the lower electrode assembly are insulated 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 supporting member fixed on the plate 11, and the ground terminal electrode 41 and the high voltage terminal electrode 23 are the same reference point.
As shown in fig. 4-5, in this embodiment, the lighting lamp 115 and the camera 116 may be further installed in the box, and the test process is imaged and recorded by the camera 116, so that repeated research on the test process is facilitated, and the discharge condition between test gases can be intuitively observed in the test process through real-time display in the background.
Specifically, as shown in fig. 4, the supporting member may have the following structure including:
a lower support 111 mounted on the plate 11;
an upper support 112 rotatably coupled to 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, but may be other numbers, and the lower support 111 and the upper support 112 may each be an insulating material.
Specifically, as shown in fig. 4 to 5, the high-voltage terminal electrode connection part may have the following structure, including:
a wire outlet sleeve 31 mounted on the case 1;
an elastic conductor 32 mounted on the upper support 112, the elastic conductor 32 being adapted to be electrically connected to the high voltage terminal electrode 23;
a flexible cable 33 electrically connecting the outlet sleeve 31 and the elastic conductor 32.
In this embodiment, as shown in fig. 2, the outlet sleeve 31 is fixed on the box 1 by 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 by the telescopic cable 33, the telescopic cable 33 has a conductive function, and the length is telescopic, so that the pre-fixing of the telescopic cable 33 and the outlet sleeve 31 outside the box is realized.
Specifically, as shown in fig. 4 to 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 rotation shaft 21;
a high voltage terminal electrode 23 mounted on the turntable 22.
In this embodiment, a wrench part may be provided on a portion of the rotating shaft 21 extending out of the case 1, and the rotating shaft 21 may be rotated by manipulating the wrench part by a tool, however, the rotation of the rotating shaft 21 may also be driven to rotate 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 clamping structure 114 is provided between the upper electrode assembly and the upper support 112, and the clamping structure 114 defines the remaining degrees of freedom of the upper electrode assembly on the upper support 112 except for rotation.
In this embodiment, the fastening structure 114 may be two snap springs, and the rotating shaft 21 passes through the upper support 112, and is respectively fastened on the upper side and the lower side of the upper support 112 on the rotating shaft 21 by a snap spring, so as to achieve the purpose of fastening, and simultaneously enable the rotating shaft 21 to rotate relative to the upper support 112.
As shown in fig. 4 to 5, in the present embodiment, the high-voltage end electrodes 23 are provided three and different, and are arranged along the circumferential direction of the turntable 22, with the high-voltage end electrodes 23 being insulated from each other.
In the present embodiment, in order to improve the sealability of the case 1, as shown in fig. 4, the connection portion between the rotation shaft 21 and the case 1 is provided with an upper dynamic seal member 24.
Specifically, as shown in fig. 4, the lower electrode assembly may have the following structure, and the lower electrode assembly further includes:
the connecting rod 42 is slidably arranged on the box body 1, a part of the connecting rod 42 extends out of the box body 1 to be connected with the lower electrode moving part, and the grounding terminal electrode 41 is connected to the connecting rod 42.
Specifically, the ground electrode 41 is disk-shaped and is screwed to the end of the connecting rod 42.
Similarly, in order to improve the sealing property of the case, as shown in fig. 4, a lower dynamic seal 43 is provided at the connecting portion between the connecting rod 42 and the case 1.
In this embodiment, as shown in fig. 4, the upper moving seal 24 and the lower moving seal 43 are devices well known to those skilled in the art, specifically, the lower moving seal 43 includes a sealing ring, and a portion located inside the case 1 is provided with external threads, the lower moving seal 43 is connected to a lower moving seal fixing member by external threads, the lower moving seal 43 is fastened to the case 1 by the lower moving seal fixing member, the lower support 111 is sleeved on the lower moving seal 43, and is connected to the lower moving seal 43 by an insulator support fixing member 400 by threads, thereby fixing the lower support 111.
Specifically, as shown in fig. 6, the lower electrode moving part may have the following structure including:
a transmission rod 51, the transmission rod 51 being connected to the lower electrode assembly;
the power piece is connected with the transmission rod through the transmission mechanism and drives the transmission rod to lift up and down through the power piece.
As shown in fig. 5, in the present embodiment, the power member may include a motor 52 and a decelerator 53, and an output end of the motor 52 is connected to an input end of the decelerator 53.
Specifically, as shown in fig. 6, the transmission mechanism may have the following structure, including:
the gear 54, the gear 54 is installed on the output end of the speed reducer 53, the power piece drives the gear 54 to rotate;
a rack portion 55 provided on the transmission rod 51, the rack portion 55 being engaged with the gear 54.
Specifically, the motor 52 acts to drive the gear 54 to rotate through the decelerator 53, thereby driving the rack portion 55 and the transmission rod 51 to move up and down, and thus driving the lower electrode assembly to move up and down with respect 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 member 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 also provided with a scale cover 44, the scale cover 44 is carved with a size, the scale cover 44 is made of transparent materials, the function of observing the actual displacement of the connecting rod 42 can be realized through the cooperation of the scale cover 44 and the distance mark, the function of calibrating can also be realized, and then the action of the lower electrode moving part can be manually controlled through the controller 6 so as to adjust the distance between the high-voltage end electrode 23 and the grounding end electrode 41, which 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, where the displacement sensor 7 is installed on the lower electrode assembly or the lower electrode moving component 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 component according to the collected moving distance; in the present embodiment, the displacement sensor 7 is mounted on the transmission rod 51, and precisely measures the displacement of the transmission rod 51 when the transmission rod 51 moves up and down, and transmits it to the controller 6.
As shown in fig. 1, in the present embodiment, a bracket 200 is installed below the case 1, and the bracket 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 at the bottom of the bracket 200.
In this embodiment, as shown in fig. 1, a roller 500 is fixed to the bracket 200, and the driving rod 51 is attached to the roller 500 to support and guide the driving rod 51 well.
As shown in fig. 2-3, in this embodiment, the case 1 is provided with a first self-sealing valve 8, and the test gas is filled into the case 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 1 is further provided with a grounding column 10, and the grounding column 10 is welded below the box 1, so that the shell of the box can be conveniently grounded during the test.
In this embodiment, the box 1 is filled with test gas through the first self-sealing valve 8 into the box 1, the second self-sealing valve 9 is connected with the meter 91, so that the functions of charging and reading the air pressure value through the meter 91 can be realized at the same time, the charging pressure can be observed in real time, the meter 91 can be internally provided with a temperature sensor, a humidity sensor and a pressure sensor, and the data can be uploaded in real time, thereby being beneficial to controlling the action of a single variable factor in the test process.
As shown in fig. 3, in the present embodiment, the case 1 is further provided with a relief valve 100 for preventing an overpressure in the case.
As shown in fig. 1-2, in this embodiment, the box 1 is further provided with an observation window 300 for facilitating the observation of the interior of the box, the observation window 300 is made of a transparent nonmetallic material, and a sealing ring is provided between the observation window 300 and the box 1 for sealing.
In the gas insulation test equipment, after the whole assembly is completed in the gas filling process, a gas medium to be researched is flushed into the box body 1 from the first self-sealing valve 8, and the table 91 can display the gas filling pressure value in real time.
Selecting a high voltage terminal electrode 23: by rotating the upper electrode assembly, the high voltage terminal electrode 23 required on the upper electrode assembly is connected to the elastic conductor 32;
adjustment of the inter-electrode distance: 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 realized, and in addition, the scale cover can play a role in checking the displacement sensor 7
And (3) testing: the outlet 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 technical problems, technical solutions and advantageous effects solved by the present invention have been further described in detail in the above-described embodiments, and it should be understood that the above-described embodiments are only illustrative of the present invention and are not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. within the spirit and principle of the present invention should be included in the scope of protection of the present invention.
Claims (10)
1. A gas insulation test apparatus, comprising:
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 electrode (41) located inside the case (1);
a high-voltage end electrode connecting part which is arranged on the box body (1);
an upper electrode assembly rotatably mounted on the case (1), the upper electrode assembly including at least one high-voltage terminal electrode (23) located in the case (1), one of the high-voltage terminal electrodes (23) being electrically connected to the high-voltage terminal electrode connecting member by rotating the upper electrode assembly on the case (1);
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 a gap between the ground terminal electrode (41) and the high voltage terminal electrode (23);
the box body (1) comprises a plate (11) which is integrally arranged, and the lower electrode assembly is in sliding fit 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 isolated by the supporting part in an insulating way;
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);
a clamping structure (114) is arranged between the upper electrode assembly and the upper support (112), and the clamping structure (114) limits the rest degrees of freedom of the upper electrode assembly on the upper support (112) except rotation;
the influence caused by deformation of the integrally arranged plate (11) during inflation is equivalent to that of the upper electrode assembly and the lower electrode assembly;
the high voltage terminal electrode connection part includes:
an outlet sleeve (31) mounted on the box body (1);
-an elastic conductor (32) mounted on the upper support (112), 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);
the upper electrode assembly includes:
a rotating shaft (21) rotatably mounted on the case (1);
a turntable (22) connected to the rotation shaft (21);
a high voltage terminal electrode (23) mounted on the turntable (22);
an upper dynamic sealing piece (24) is arranged at the connecting part between the rotating shaft (21) and the plate of the box body (1).
2. A gas insulation test apparatus according to claim 1, wherein,
the high-voltage end electrodes (23) are provided with at least two different electrodes and are arranged along the circumferential direction of the turntable (22), and the high-voltage end electrodes (23) are mutually insulated and separated.
3. A gas insulation test apparatus according to claim 1, wherein,
the lower electrode assembly further includes:
the connecting rod (42), connecting rod (42) sliding fit is in on box (1), part of connecting rod (42) stretches out outside box (1) with lower electrode moving part links to each other, earthing terminal electrode (41) are connected on connecting rod (42).
4. A gas insulation test apparatus according to claim 3, wherein,
the connecting part between the connecting rod (42) and the box body (1) is provided with a lower dynamic sealing piece (43).
5. A gas insulation test apparatus according to claim 1 or 4, wherein,
the lower electrode moving part includes:
a transmission rod (51), wherein the transmission rod (51) is connected with the lower electrode assembly;
the power piece is connected with the transmission rod through a transmission mechanism, and the transmission rod is driven to lift up and down through the power piece.
6. A gas insulation test apparatus according to claim 5, wherein,
the transmission mechanism comprises:
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).
7. A gas insulation test apparatus according to claim 1, wherein,
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 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.
8. The gas insulation test apparatus according to claim 7, wherein,
the lower electrode assembly further comprises a connecting rod (42), the connecting rod (42) is slidably matched on the box body (1), and a part of the connecting rod (42) extends out of the box body (1) to be connected with the lower electrode moving part; wherein,,
the distance acquisition component is a distance mark arranged on the connecting rod (42), and the controller (6) is manually controlled according to the distance mark so as to control the action of the lower electrode moving part.
9. The gas insulation test apparatus according to claim 8, wherein,
the distance acquisition component is a displacement sensor, the displacement sensor is arranged on the lower electrode component or the lower electrode moving component to acquire the moving distance of the lower electrode component, and the controller (6) is suitable for automatically controlling the action of the lower electrode moving component according to the acquired moving distance.
10. A gas insulation test apparatus according to claim 1, wherein,
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 the box body (1) is 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 and/or the temperature and/or the humidity of the test gas filled in the box body (1);
and/or the box body (1) is provided with a grounding column (10).
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 CN115308553A (en) | 2022-11-08 |
| CN115308553B true CN115308553B (en) | 2023-08-04 |
Family
ID=83867484
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211116281.8A Active CN115308553B (en) | 2022-09-14 | 2022-09-14 | Gas insulation test equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115308553B (en) |
Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103257307A (en) * | 2013-04-02 | 2013-08-21 | 广东省顺德开关厂有限公司 | Gas insulation testing device |
| CN105388405A (en) * | 2015-12-23 | 2016-03-09 | 国网电力科学研究院武汉南瑞有限责任公司 | Test apparatus and method for insulation characteristic of mixed gas |
| CN205539335U (en) * | 2016-03-22 | 2016-08-31 | 国家电网公司 | Controllable temperature gas -insulated performance test system |
| CN105954657A (en) * | 2016-06-21 | 2016-09-21 | 上海天灵开关厂有限公司 | Insulation distance adjustable gas insulation characteristic test apparatus |
| CN207924076U (en) * | 2018-03-21 | 2018-09-28 | 广东电网有限责任公司电力科学研究院 | A kind of detection SF6The device of insulation defect |
| CN109342895A (en) * | 2018-10-26 | 2019-02-15 | 许继（厦门）智能电力设备股份有限公司 | A kind of gas-insulated characteristic test device |
| CN209387794U (en) * | 2018-10-26 | 2019-09-13 | 许继（厦门）智能电力设备股份有限公司 | A kind of gas-insulated characteristic test device |
| CN110763968A (en) * | 2019-12-06 | 2020-02-07 | 哈尔滨理工大学 | Full-angle visual gas breakdown testing system |
| CN112230105A (en) * | 2020-09-23 | 2021-01-15 | 广西电网有限责任公司电力科学研究院 | Improved gas insulation performance test device |
| CN112816833A (en) * | 2020-11-16 | 2021-05-18 | 天津平高智能电气有限公司 | Gas insulation test box |
| CN214375093U (en) * | 2020-11-16 | 2021-10-08 | 天津平高智能电气有限公司 | Gas insulation test box |
| CN113504440A (en) * | 2021-07-08 | 2021-10-15 | 广东电网有限责任公司 | Environment-friendly gas insulation performance test device with controllable environment working condition |
| CN113805013A (en) * | 2021-04-29 | 2021-12-17 | 湖南大学 | Flashover test device and method under temperature gradient working condition in gas insulated power equipment |
| CN217212997U (en) * | 2022-01-29 | 2022-08-16 | 郑州科探仪器设备有限公司 | High-voltage discharge device for testing gas insulativity |
-
2022
- 2022-09-14 CN CN202211116281.8A patent/CN115308553B/en active Active
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103257307A (en) * | 2013-04-02 | 2013-08-21 | 广东省顺德开关厂有限公司 | Gas insulation testing device |
| CN105388405A (en) * | 2015-12-23 | 2016-03-09 | 国网电力科学研究院武汉南瑞有限责任公司 | Test apparatus and method for insulation characteristic of mixed gas |
| CN205539335U (en) * | 2016-03-22 | 2016-08-31 | 国家电网公司 | Controllable temperature gas -insulated performance test system |
| CN105954657A (en) * | 2016-06-21 | 2016-09-21 | 上海天灵开关厂有限公司 | Insulation distance adjustable gas insulation characteristic test apparatus |
| CN207924076U (en) * | 2018-03-21 | 2018-09-28 | 广东电网有限责任公司电力科学研究院 | A kind of detection SF6The device of insulation defect |
| CN209387794U (en) * | 2018-10-26 | 2019-09-13 | 许继（厦门）智能电力设备股份有限公司 | A kind of gas-insulated characteristic test device |
| CN109342895A (en) * | 2018-10-26 | 2019-02-15 | 许继（厦门）智能电力设备股份有限公司 | A kind of gas-insulated characteristic test device |
| CN110763968A (en) * | 2019-12-06 | 2020-02-07 | 哈尔滨理工大学 | Full-angle visual gas breakdown testing system |
| CN112230105A (en) * | 2020-09-23 | 2021-01-15 | 广西电网有限责任公司电力科学研究院 | Improved gas insulation performance test device |
| CN112816833A (en) * | 2020-11-16 | 2021-05-18 | 天津平高智能电气有限公司 | Gas insulation test box |
| CN214375093U (en) * | 2020-11-16 | 2021-10-08 | 天津平高智能电气有限公司 | Gas insulation test box |
| CN113805013A (en) * | 2021-04-29 | 2021-12-17 | 湖南大学 | Flashover test device and method under temperature gradient working condition in gas insulated power equipment |
| CN113504440A (en) * | 2021-07-08 | 2021-10-15 | 广东电网有限责任公司 | Environment-friendly gas insulation performance test device with controllable environment working condition |
| CN217212997U (en) * | 2022-01-29 | 2022-08-16 | 郑州科探仪器设备有限公司 | High-voltage discharge device for testing gas insulativity |
Non-Patent Citations (1)
| Title |
|---|
| SF6气体绝缘设备的放电特性研究;闫振华 等;宁夏电力(第01期);1-6+29 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115308553A (en) | 2022-11-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111896605B (en) | GIL equipment three-support insulator surface charge measuring device and test method thereof | |
| CN109061329B (en) | Analog measurement device and method for surface potential of insulator in GIL | |
| CN103954850A (en) | Surface charge measuring system with external motion control mechanism and measuring method | |
| CN102650673B (en) | Electrode space control system for insulating gas discharge decomposition component detection device | |
| CN105911374B (en) | Insulator Surface Charge Measurement Experimental Device | |
| CN107202921B (en) | Rotary plug-in type electric connector contact resistance on-line measuring device | |
| CN209167349U (en) | A kind of live detection instrument lifting mechanism | |
| CN104133162A (en) | Test research device used for electrical performance research on mixed gas of high-voltage electrical equipment | |
| CN115308553B (en) | Gas insulation test equipment | |
| CN110554254B (en) | Observing device for metal dust adsorption and accumulated charges of GIS or GIL equipment | |
| CN102879658B (en) | Ball disc-type frictional electricity measuring device | |
| CN114674478A (en) | A conductive slip ring brush silk pressure test device for boats and ships | |
| CN111812466B (en) | Multi-sample flashover optimization experimental device | |
| CN111337760B (en) | Insulator surface charge measurement system and mounting rack thereof | |
| CN117478066A (en) | EL detection device for photovoltaic module | |
| CN210109249U (en) | Multi-station insulating rod voltage-withstanding testing device | |
| CN103091571A (en) | Three-phase test device for gas insulated and metal enclosed switchgear (GIS) | |
| CN116297557A (en) | Combined type ray imaging system for detecting mechanical defects and foreign matters of electric equipment | |
| CN109828138A (en) | A kind of universal measuring instrument table of the protection against electric shock for power equipment maintaining | |
| CN110018008B (en) | Joint surface rigidity experiment table and using method thereof | |
| CN204177916U (en) | Adjustable discharging gap experimental provision under enclosure space | |
| CN202794231U (en) | Movable charged access device with standard capacitor | |
| CN109764792A (en) | A kind of electrical component detection ruler | |
| CN104330715A (en) | Adjustable discharging gap experimenting device in closed space | |
| CN221326679U (en) | GIS discharge model |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |