CN112904166B - Wrapping device for internal arcing test - Google Patents
Wrapping device for internal arcing test Download PDFInfo
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- CN112904166B CN112904166B CN202110118611.6A CN202110118611A CN112904166B CN 112904166 B CN112904166 B CN 112904166B CN 202110118611 A CN202110118611 A CN 202110118611A CN 112904166 B CN112904166 B CN 112904166B
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- copper bar
- internal arcing
- tank body
- test
- steel plate
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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
- G01R31/16—Construction of testing vessels; Electrodes therefor
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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
- G01R31/1263—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 solid or fluid materials, e.g. insulation films, bulk material; of semiconductors or LV electronic components or parts; of cable, line or wire insulation
- G01R31/1272—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 solid or fluid materials, e.g. insulation films, bulk material; of semiconductors or LV electronic components or parts; of cable, line or wire insulation of cable, line or wire insulation, e.g. using partial discharge measurements
Abstract
The invention relates to a wrapping device for an internal arcing test, which comprises a crimping flange, a basin-type insulator assembly part and a tank body, wherein the crimping flange and the basin-type insulator assembly part are respectively arranged at the left end and the right end of the tank body; the axial falling of the basin-type insulator assembly is prevented through the crimping flange; a steel plate is arranged in the tank body, and the steel plate is fixed relative to the tank body through welding; the steel plate extends along the axial direction of the tank body; the steel plate is provided with a plurality of waist-shaped holes so as to meet the assembly requirements of sample machines with different lengths.
Description
Technical Field
The invention relates to the technical field of internal arcing, in particular to a wrapping device for an internal arcing test.
Background
At present, when doing the inside arc test, because the electric current parameter is very big and then produce electric arc, electric arc can release huge energy in the twinkling of an eye at the in-process of burning, promotes the inside atmospheric pressure of sample rapidly and burns out the shell of sample, can make the inside SF6 gas of sample produce the toxic gas and harm the environment at the in-process of electric arc burning simultaneously. Thus, the test stations all require that the test prototypes must have external wrapping means. Meanwhile, the rigid gas insulation transmission line products are various, the length and the size of corresponding prototype machines are not uniform, and the arc-burning prototype machine wrapping device in each manufacturer has no universality.
In the prior art, when each manufacturer conducts an internal arcing test, a large sealed tank is usually adopted as a wrapping device of an internal arcing prototype, and the specific scheme comprises the following two steps:
1. an insulating trolley is arranged between the internal arcing sample machine and the big tank, and plays a role in isolating the sample machine from the big tank. According to the scheme, the situation that the sample machine slides in the large tank occurs for many times in the transportation process, and finally the sample machine is reassembled in the test station, so that the test progress is influenced, and the test cost is increased.
2. And a plurality of steel plates are welded below the large tank. The scheme can realize the situation that the prototype is fixed in the field and is not required to be assembled again after being transported to the test station. However, when each manufacturer designs the large tank and the steel plate below the large tank, the large tank and the steel plate below the large tank are designed only based on the test prototype, and the universality of the wrapping device is not considered.
The drawbacks of the above prior art include:
1. the insulating trolley is adopted to replace a steel plate and an insulating plate below the large tank, so that the condition of secondary assembly in a test station is easily caused;
2. the wrapping device of the internal arcing prototype of each manufacturer has no universality, products with different specifications are basically in a disposable state when internal arcing tests are carried out, and the reuse rate is low.
Disclosure of Invention
The invention aims to provide a wrapping device for an internal arcing test in order to avoid designing the wrapping device for the internal arcing prototype for multiple times, and solves the technical problems of how to improve the universality of the wrapping device for the internal arcing test and avoid repeated development.
The invention aims to solve the defects of the prior art and provides a wrapping device for an internal arcing test, which comprises a crimping flange, a basin-type insulator assembly part and a tank body, wherein the crimping flange and the basin-type insulator assembly part are respectively arranged at the left end and the right end of the tank body; the axial falling of the basin-type insulator assembly is prevented through the crimping flange; a steel plate is arranged in the tank body, and the steel plate is fixed relative to the tank body through welding; the steel plate extends along the axial direction of the tank body; the steel plate is provided with a plurality of waist-shaped holes so as to meet the assembly requirements of sample machines with different lengths.
A first self-sealing joint and a second self-sealing joint are arranged on the outer peripheral wall of the tank body, and the first self-sealing joint is used for detecting the air pressure in the sealed tank; and the second self-sealing joint is connected with the internal arcing test sample machine through an air pipe loop and is used for detecting the air pressure inside the internal arcing test sample machine before the test.
A first metal insert is arranged inside the basin-type insulator assembly at one end of the tank body, and the left side and the right side of the first metal insert are respectively in contact and fixed connection with a first left copper bar and a first right copper bar; a second metal insert is arranged inside the basin-type insulator assembly at the other end of the tank body, and the left side and the right side of the second metal insert are respectively in contact and fixed connection with a second left copper bar and a second right copper bar; the left end copper bar and the right end copper bar are respectively arranged at the left end and the right end of the internal arcing test sample machine, and the left end copper bar and the right end copper bar are electrically connected with an arc striking wire inside the internal arcing test sample machine; the first right copper bar and the left end copper bar are electrically connected; the right copper bar is electrically connected with the second left copper bar; the first right copper bar, the left end copper bar, the internal arcing test prototype, the arc striking wire, the right end copper bar and the second left copper bar jointly form a path of the internal arcing test in the tank body; the first left copper bar, the first metal insert, the first right copper bar, the second left copper bar, the second metal insert and the second right copper bar are used for realizing the communication between an internal arcing test prototype and a test equipment circuit.
And the first metal insert is respectively connected with the first left copper bar and the first right copper bar through bolts.
And the second metal insert is respectively connected with the second left copper bar and the second right copper bar through bolts.
And the first right copper bar and the left copper bar, the left copper bar and the internal arcing test prototype, the internal arcing test prototype and the right copper bar and the second left copper bar are connected through bolts.
Preferably, the internal arcing test sample machine is fixedly connected with the steel plate through the insulating support plate, so that the internal arcing test sample machine is prevented from displacing in the tank body in the transportation process; meanwhile, the insulation and isolation functions of the internal arcing test prototype and the main circuit of the passage and the tank body are realized.
Further preferably, the steel plate, the insulating support plate and the internal arc test prototype are connected through fixing bolts.
Advantageous effects
Compared with the prior art, the invention has the beneficial effects that:
the wrapping device for the internal arcing test can effectively be suitable for the internal arcing test of rigid gas insulated transmission line products with different specifications through the structural design of the device on the basis of protecting an internal arcing test sample and avoiding toxic gas generated in the test process from leaking, realizes the universality of the test wrapping device, can meet the test requirements of different types of products, can avoid repeated development and reduce the cost.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.
FIG. 1 is a schematic view showing the assembly of the wrapping apparatus for internal arcing test according to the present invention.
Fig. 2 is a schematic structural view of the basin insulator assembly according to the present invention.
FIG. 3 is a schematic structural view of the steel sheet according to the present invention.
Detailed Description
The present invention is described in more detail below to facilitate an understanding of the present invention.
As shown in fig. 1 to 3, the wrapping device for internal arcing test of the present invention comprises a crimping flange 1, a basin-type insulator assembly 2 and a tank body 3, wherein the crimping flange 1 and the basin-type insulator assembly 2 are respectively disposed at the left and right ends of the tank body 3, the crimping flange 1 assembles the basin-type insulator assembly 2 and the tank body 3 together by bolts to form a sealed tank, and the sealed tank is used for wrapping an internal arcing test prototype 10 to prevent the leakage of harmful gas caused by the rupture of the shell of the internal arcing test prototype 10 during the test; the axial falling of the basin-type insulator assembly part 2 is prevented by the crimping flange 1; a steel plate 8 is arranged in the tank body 3 and is fixed relative to the tank body 3 through welding; the steel plate 8 extends in the axial direction of the can body 3; as shown in fig. 3, a plurality of waist-shaped holes 21 are arranged on the steel plate to meet the assembly requirements of prototype machines with different lengths. The structural design of waist shape hole steel sheet realizes this parcel device's commonality, avoids the repeated development to inside arcing test parcel device.
A first self-sealing joint 4 and a second self-sealing joint 5 are arranged on the outer peripheral wall of the tank body 3, the first self-sealing joint 4 is used for detecting air pressure in the sealing tank, if the shell of the internal arcing test prototype 10 is broken in the test process, the air pressure in the sealing tank can be increased, so that the gas is recycled before the sealing tank is disassembled to check the situation after the internal arcing test prototype is tested; the second self-sealing joint 5 is connected with the internal arcing test prototype 10 through an air pipe loop 13 and is used for detecting the air pressure inside the internal arcing test prototype 10 before testing.
As shown in fig. 2, a first metal insert 14 is arranged inside the basin-shaped insulator assembly 2 at one end of the tank 3, and the left side and the right side of the first metal insert 14 are respectively in contact fixed connection with a first left copper bar 15 and a first right copper bar 6; a second metal insert is arranged inside the basin-type insulator assembly part 2 at the other end of the tank body 3, and the left side and the right side of the second metal insert are respectively in contact and fixed connection with a second left copper bar 12 and a second right copper bar; the left end copper bar 7 and the right end copper bar 11 are respectively arranged at the left end and the right end of the internal arcing test prototype 10, and the left end copper bar 7 and the right end copper bar 11 are electrically connected with the arc striking wire 20 inside the internal arcing test prototype 10; the first right copper bar 6 and the left end copper bar 7 are electrically connected; the right copper bar 11 is electrically connected with the second left copper bar 12; the first right copper bar 6, the left end copper bar 7, the internal arcing test prototype 10, the arc striking wire 20, the right end copper bar 11 and the second left copper bar 12 form a main path loop of the internal arcing test in the tank body; the first left copper bar 15, the first metal insert 14, the first right copper bar 6, the second left copper bar 12, the second metal insert and the second right copper bar are used for realizing the communication between the internal arcing test prototype 10 and the test equipment circuit.
The first metal insert 14 is connected with the first left copper bar 15 and the first right copper bar 6 through standard parts such as bolts.
The second metal insert is respectively connected with the second left copper bar 12 and the second right copper bar through standard parts such as bolts and the like.
The first right copper bar 6 is connected with the left end copper bar 7, the left end copper bar 7 is connected with the internal arcing test prototype 10, the internal arcing test prototype 10 is connected with the right end copper bar 11, and the right end copper bar 11 is connected with the second left copper bar 12 through standard parts such as bolts.
Preferably, the internal arcing test sample machine 10 is fixedly connected with the steel plate 8 through the insulating support plate 9, so that the internal arcing test sample machine 10 is prevented from displacing in the tank body 3 in the transportation process; meanwhile, the insulation and isolation functions of the internal arcing test prototype 10 and the main circuit of the passage and the tank body 3 are realized.
Further preferably, the steel plate 8, the insulating support plate 9 and the internal arc test prototype 10 are all connected through fixing bolts.
The foregoing describes preferred embodiments of the present invention, but is not intended to limit the invention thereto. Modifications and variations of the embodiments disclosed herein may be made by those skilled in the art without departing from the scope and spirit of the invention.
Claims (6)
1. The wrapping device for the internal arcing test is characterized by comprising a crimping flange, a basin-type insulator assembly part and a tank body, wherein the crimping flange and the basin-type insulator assembly part are respectively arranged at the left end and the right end of the tank body; the axial falling of the basin-type insulator assembly is prevented through the crimping flange; a steel plate is arranged in the tank body, and the steel plate is fixed relative to the tank body through welding; the steel plate extends along the axial direction of the tank body; a plurality of waist-shaped holes are formed in the steel plate so as to meet the requirements of assembling sample machines with different lengths;
a first metal insert is arranged inside the basin-type insulator assembly at one end of the tank body, and the left side and the right side of the first metal insert are respectively in contact and fixed connection with a first left copper bar and a first right copper bar; a second metal insert is arranged inside the basin-type insulator assembly at the other end of the tank body, and the left side and the right side of the second metal insert are respectively in contact and fixed connection with a second left copper bar and a second right copper bar; the left end copper bar and the right end copper bar are respectively arranged at the left end and the right end of the internal arcing test sample machine, and the left end copper bar and the right end copper bar are electrically connected with an arc striking wire inside the internal arcing test sample machine; the first right copper bar and the left end copper bar are electrically connected; the right copper bar is electrically connected with the second left copper bar; the first right copper bar, the left end copper bar, the internal arcing test prototype, the arc striking wire, the right end copper bar and the second left copper bar jointly form a path of the internal arcing test in the tank body; the communication between the internal arcing test prototype and the test equipment circuit is realized through the first left copper bar, the first metal insert, the first right copper bar, the second left copper bar, the second metal insert and the second right copper bar;
the internal arcing test sample machine is fixedly connected with the steel plate through the insulating support plate, so that the internal arcing test sample machine is prevented from displacing in the tank body in the transportation process; meanwhile, the insulation and isolation functions of the internal arcing test prototype and the main circuit of the passage and the tank body are realized.
2. The wrapping apparatus for internal arcing tests according to claim 1, wherein a first self-sealing joint and a second self-sealing joint are disposed on the outer peripheral wall of the can body, and the first self-sealing joint is used for detecting the air pressure in the airtight can; and the second self-sealing joint is connected with the internal arcing test sample machine through an air pipe loop and is used for detecting the air pressure inside the internal arcing test sample machine before the test.
3. The wrapping device for internal arcing tests according to claim 1, wherein the first metal insert is bolted to the first left copper bar and the first right copper bar, respectively.
4. The wrapping device for internal arcing tests according to claim 1, wherein the second metal insert is bolted to the second left copper bar and the second right copper bar, respectively.
5. The wrapping device for internal arcing tests according to claim 1, wherein the first right copper bar and the left copper bar, the left copper bar and the internal arcing test prototype, the internal arcing test prototype and the right copper bar, and the right copper bar and the second left copper bar are connected by bolts.
6. The wrapping device for internal arcing tests according to claim 1, wherein the steel plate, the insulating support plate and the internal arcing test specimen are connected through fixing bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110118611.6A CN112904166B (en) | 2021-01-28 | 2021-01-28 | Wrapping device for internal arcing test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110118611.6A CN112904166B (en) | 2021-01-28 | 2021-01-28 | Wrapping device for internal arcing test |
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| Publication Number | Publication Date |
|---|---|
| CN112904166A CN112904166A (en) | 2021-06-04 |
| CN112904166B true CN112904166B (en) | 2021-11-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110118611.6A Active CN112904166B (en) | 2021-01-28 | 2021-01-28 | Wrapping device for internal arcing test |
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Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2867791Y (en) * | 2005-12-20 | 2007-02-07 | 英业达股份有限公司 | Element lock with clamping apparatus |
| FR2961910B1 (en) * | 2010-06-23 | 2012-08-17 | Areva T & D Sas | METHOD FOR LOCATING INTERNAL ARC IN A GAS INSULATED LINE AND DEVICE THEREOF |
| CN202119865U (en) * | 2011-05-17 | 2012-01-18 | 山东泰开高压开关有限公司 | Voltage withstanding experiment device for 252kV enclosed type combined electric appliance insulating part |
| CN202601496U (en) * | 2012-03-22 | 2012-12-12 | 平高集团有限公司 | Sulfur hexafluoride circuit breaker tank and sulfur hexafluoride circuit breaker using the same |
| CN204347192U (en) * | 2014-12-15 | 2015-05-20 | 正泰电气股份有限公司 | Disc insulator Withstand test device |
| CN108333483B (en) * | 2018-01-19 | 2021-05-11 | 河南平高电气股份有限公司 | Basin-type insulator assembly component for test |
| CN208350927U (en) * | 2018-05-03 | 2019-01-08 | 正泰电气股份有限公司 | A kind of Withstand test device of insulated pull rod |
| CN110794182A (en) * | 2019-09-24 | 2020-02-14 | 国网山东省电力公司日照供电公司 | Fixed installation device for wall surface box without punching and mounting |
| CN111355136A (en) * | 2020-04-26 | 2020-06-30 | 安徽朗益电力科技有限公司 | Current transformer mounting structure of ring main unit |
| CN212304635U (en) * | 2020-06-08 | 2021-01-05 | 新东北电气集团高压开关有限公司 | Bus device with transverse compensation VP type expansion joint |
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| CN112904166A (en) | 2021-06-04 |
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