CN220650726U - Auxiliary device for insulation test of aviation connector of reactor core neutron measurement system - Google Patents
Auxiliary device for insulation test of aviation connector of reactor core neutron measurement system Download PDFInfo
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- CN220650726U CN220650726U CN202322139576.3U CN202322139576U CN220650726U CN 220650726 U CN220650726 U CN 220650726U CN 202322139576 U CN202322139576 U CN 202322139576U CN 220650726 U CN220650726 U CN 220650726U
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- aviation connector
- plug
- auxiliary device
- measurement system
- insulation test
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- 238000005259 measurement Methods 0.000 title claims abstract description 41
- 238000009413 insulation Methods 0.000 title claims abstract description 38
- 238000012360 testing method Methods 0.000 title claims abstract description 32
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- 235000018290 Musa x paradisiaca Nutrition 0.000 claims description 3
- 238000004891 communication Methods 0.000 claims description 2
- 240000005561 Musa balbisiana Species 0.000 claims 1
- 238000012549 training Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 3
- 230000004907 flux Effects 0.000 description 3
- 241000234295 Musa Species 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000002285 radioactive effect Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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- Monitoring And Testing Of Nuclear Reactors (AREA)
Abstract
The utility model discloses an aviation connector insulation test auxiliary device of a reactor core neutron measurement system, which comprises a switching assembly and a splicing structure arranged on the end part of the switching assembly; the switching component is spliced on the aviation connector, and the concentrated joints of all pins of the aviation connector are short-circuited in the switching component; the plug-in structure is matched with a measuring meter pen of the measuring instrument, and the measuring meter pen of the measuring instrument is plugged in the plug-in structure and extends into the switching assembly to be electrically connected with all pins on the aviation connector; according to the test auxiliary device, the centralized short connection of all pins in the aviation plug can be realized in the switching assembly through the arrangement of the switching assembly, and then all pins on the aviation plug are electrically connected through the arrangement of the plug-in structure for the plug-in connection of the measuring meter pen of the measuring instrument, so that all pin insulation measurement of the aviation plug can be completed at one time, the structure is simple, the occupied space is small, the weight is light, the operation is convenient, and the test auxiliary device can be used without special training.
Description
Technical Field
The utility model belongs to the technical field of overhaul of neutron flux measurement equipment in a nuclear power plant reactor, and particularly relates to an aviation connector insulation test auxiliary device of a reactor core neutron measurement system.
Background
The signal transmission and the power supply loop of the neutron flux measuring equipment in the nuclear power plant reactor are basically realized in the form of aviation plugs, so that the aviation plugs are very widely applied to neutron flux measurement in the reactor, but when insulation inspection is carried out on the cable with the aviation plugs and downstream load equipment in the reactor, workers need to measure and inspect the pins in each aviation plug one by one, the consumption time is long, and the pins are easy to miss and miss during measurement, and the pins are easy to miss other pins during measurement, so that the workers also need to wear additional radiation protection articles during measurement of the aviation plugs in a nuclear island factory building, the risk of damaging the pins in the measurement process is further increased, and meanwhile, a large amount of unnecessary dose irradiation is caused.
Disclosure of Invention
The utility model aims to solve the technical problem of providing an aviation connector insulation test auxiliary device of a reactor core neutron measurement system aiming at the defects.
The technical scheme adopted for solving the technical problems is as follows: an aviation connector insulation test auxiliary device of a reactor core neutron measurement system comprises an adapter assembly and an inserting structure arranged on the end part of the adapter assembly;
the switching component is spliced on the aviation connector, and the concentrated joints of all pins of the aviation connector are short-circuited inside the switching component;
the plug-in structure is matched with a measuring meter pen of the measuring instrument, and the measuring meter pen of the measuring instrument is plugged in the plug-in structure and extends into the switching assembly so as to be electrically connected with all pins on the aviation connector.
Further, preferably, the adaptor assembly comprises an adaptor matched with the aviation connector and a connecting part with an inner cavity, wherein a plurality of extension lines corresponding to all pins of the aviation connector one by one are arranged in the connecting part, and each extension line is concentrated into a beam and extends to the outlet end of the plug-in structure.
Further, preferably, the adaptor includes a nut and a connection portion disposed in the nut and having a space with an inner wall of the nut, the nut is screwed with the aviation connector, and the connection portion is electrically connected with all pins of the aviation connector.
Further, preferably, the engagement portion is provided with a jack corresponding to a stitch of the aviation connector, and the jack is in electrical communication with the extension line; or the connecting part is provided with a contact pin corresponding to the stitch of the aviation connector, and the contact pin is electrically communicated with the extension line.
Further, preferably, the adapter assembly includes a collecting member having a hollow structure disposed inside, the collecting member being configured to collect the extension lines into a bundle and disposed corresponding to the insertion structure.
Further, preferably, the adaptor assembly comprises an annular fixing piece, and the annular fixing piece is sleeved outside the collecting piece by extending inwards from the outer wall of the adaptor assembly.
Further, preferably, the collecting member is an insulating heat shrink tube.
Further, it is preferable that the adapter is detachably connected to the connection portion.
Further, preferably, the adapter assembly includes a dust cover disposed at an end portion, and the plug structure is disposed on the dust cover.
Further, preferably, the plugging structure is a plugging hole on the adapting assembly, or the plugging structure is a banana seat.
The utility model has the following beneficial effects: according to the aviation connector insulation test auxiliary device of the reactor core neutron measurement system, the switching assembly is arranged to be capable of being plugged into the aviation connector, so that concentrated short connection of all pins in the aviation plug can be achieved in the switching assembly, then the plug structure is arranged at the end part of the switching assembly and is used for plugging a measuring meter pen of a measuring instrument so as to electrically connect all pins on the aviation connector, and further insulation measurement of all pins of the aviation plug can be achieved at one time; the auxiliary device for insulation test of the aviation connector changes the original measurement mode, reduces the risk of equipment damage, has the advantages of simple structure, small occupied space, light weight and convenient operation, and can be used without special training.
Drawings
The utility model will be further described with reference to the accompanying drawings and examples, in which:
FIG. 1 is a perspective block diagram of one embodiment of an aircraft joint insulation test aid of the core neutron measurement system of the present utility model;
FIG. 2 is a schematic perspective view of the structure of FIG. 1 in another direction;
FIG. 3 is an elevation view of another embodiment of the aircraft joint insulation test aid of the core neutron measurement system of the present utility model;
fig. 4 is a cross-sectional view of fig. 1.
Detailed Description
For a clearer understanding of technical features, objects and effects of the present utility model, a detailed description of embodiments of the present utility model will be made with reference to the accompanying drawings.
An element is referred to as being "mounted" or "disposed" on another element and may be directly or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly or indirectly connected to the other element.
The directions or positions indicated by the terms "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. are directions or positions based on the drawings, and are merely for convenience of description and are not to be construed as limiting the present technical solution. The terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. The meaning of "a plurality of" is two or more, unless specifically defined otherwise.
The utility model provides an aviation connector insulation test auxiliary device of a reactor core neutron measurement system, which is shown in fig. 1-4, and comprises a switching assembly 10 and a plug-in structure 20 arranged on the end part of the switching assembly 10; the switching component 10 is used for being spliced on the aviation connector and short-circuiting the concentration of all pins of the aviation connector into the switching component 10; the plugging structure 20 is matched with a measuring pen of a measuring instrument, and the measuring pen of the measuring instrument is plugged into the plugging structure 20 and extends into the switching assembly 10 so as to be electrically connected with all pins on the aviation connector.
According to the aviation connector insulation test auxiliary device of the reactor core neutron measurement system, through the arrangement of the switching assembly 10, all pins inside the aviation plug can be concentrated and short-circuited in the switching assembly 10, and then through the arrangement of the plug-in structure 20 at the end part of the switching assembly 10, the plug-in structure 20 is used for plugging a measuring meter pen of a measuring instrument so as to electrically connect all pins on the aviation connector, and further all pin insulation measurement of the aviation plug can be completed at one time; the auxiliary device for insulation test of the aviation connector changes the original measurement mode, reduces the risk of equipment damage, has the advantages of simple structure, small occupied space, light weight and convenient operation, and can be used without special training.
In a specific embodiment, as shown in fig. 1-4, the adapter assembly 10 includes an adapter 11 matched with the aviation connector and a connection part 12 with an inner cavity, wherein a plurality of extension lines 13 corresponding to all pins of the aviation connector one by one are arranged in the connection part 12, namely, how many pins of the aviation connector are arranged, how many extension lines 13 are correspondingly arranged, and all the extension lines 13 are concentrated into a bundle and extend to the plug-in structure 20; when the plug connector is plugged on the aviation connector, all pins of the aviation connector are communicated to the extension line 13 through the adapter 11, a measuring meter pen of the measuring instrument is inserted into the plug structure 20 and is electrically communicated with the bundled extension line 13, and insulation measurement of all pins of the aviation connector can be completed at one time.
In a specific embodiment, the connection part 12 of the auxiliary device for insulation test of the aviation connector of the utility model uses a film forming technology, and the material can be nylon and carbon fiber, so that the toughness is strong, the adaptor 11 of the adaptor assembly 10 can not be damaged even if deformed, the adaptor assembly is simple to install, and the adaptor assembly can be disassembled and assembled only by screwing and loosening.
In a specific embodiment, as shown in fig. 1-4, the adapter 11 includes a nut 111 and an engagement portion 112 disposed in the nut 111 and spaced from an inner wall of the nut 111, the nut 111 is screwed with the air connector, and the engagement portion 112 is electrically connected with all pins of the air connector. Further, if the jack 1121 corresponding to the pin of the aviation connector is arranged on the connection portion 112, the jack 1121 is electrically communicated with the extension line 13, the pin of the aviation connector is inserted into the jack 1121, so that the pin of the aviation connector is electrically communicated with the extension line 13, all the extension lines 13 are concentrated into a bundle, and insulation measurement of all the pins of the aviation connector is completed at one time by measuring the bundled extension line 13; or the connection part 112 is provided with a contact pin 1122 corresponding to the stitch of the aviation connector, the contact pin 1122 is electrically communicated with the extension line 13, the contact pin 1122 is communicated with the stitch of the aviation connector, the stitch of the aviation connector is further communicated with the extension line 13, all the extension lines 13 are concentrated into a bundle, and the insulation measurement of all the stitches of the aviation connector is completed at one time by measuring the bundled extension line 13.
In a specific embodiment, as shown in fig. 4, for convenience of bundling the extension wires 13, the adapter assembly 10 includes a collecting member 14 having a hollow structure disposed inside, through which the extension wires 13 pass to be collected into a bundle; the collecting piece 14 can be a tubular structural piece matched with all the extension lines 13, can also be an insulating heat-shrinkable sleeve, or can be other structural pieces for collecting the extension lines 13; the collecting piece 14 is arranged corresponding to the plug-in structure 20, so that a measuring meter pen of the measuring instrument is inserted into the plug-in structure 20 and is electrically communicated with the bundled extension line 13, and insulation measurement of all pins of the aviation plug can be completed at one time.
In a specific embodiment, in order to ensure the collecting effect of the collecting member 14 on all the extension lines 13, and avoid poor collecting effect caused by external force or when the measuring instrument is plugged, preferably, the adaptor assembly 10 further includes an annular fixing member 15, as shown in fig. 4, the annular fixing member 15 extends inwards from the outer wall of the adaptor assembly 10 and is sleeved outside the collecting member 14, and the annular fixing member 15 plays a role in fixedly supporting the collecting member 14, provides structural strength for the collecting member 14 and the extension lines 13, and can effectively ensure the measurement result.
In a specific embodiment, the adapter 11 is detachably connected with the connecting portion 12, and is molded during production, assembled during use, and the detachable connection mode enables maintenance or replacement during failure, so that the service life is prolonged, and the working efficiency is improved.
In a specific embodiment, considering that the aerial joint insulation test auxiliary device of the present utility model can be applied in a radiation dust environment, the adaptor assembly 10 includes a dust cover 30 disposed at an end, as shown in fig. 1-2 and 4, the plugging structure 20 is disposed on the dust cover 30, so as to avoid radioactive contamination inside the tool, which results in unable cleaning.
In a specific embodiment, the plugging structure 20 is a plugging hole on the adapter assembly 10, or the plugging structure 20 is a banana seat with the plugging hole, and the aperture of the plugging hole is matched with the measuring pen of the measuring instrument, for example, the measuring instrument is a multimeter, and the aperture of the plugging hole is phi 4+/-0.1 mm.
At present, the aviation connector insulation test auxiliary device of the reactor core neutron measurement system is used in various aviation connector insulation test works in the overhaul period of each unit reactor core neutron measurement system in a certain nuclear power plant, so that the working efficiency is improved, unnecessary damage to system equipment caused by personnel skill problems is avoided, and meanwhile, the dosage irradiation of workers is reduced.
The auxiliary device for testing the insulation of the aviation connector of the reactor core neutron measurement system is successfully applied to various aviation connector insulation tests during the overhaul period of the reactor core neutron measurement system in the overhaul period of 1-6 machines of a certain nuclear power plant, the original test period is 12 hours, the period is shortened to 2 hours after the auxiliary device is used, the working efficiency is effectively improved, and the dose irradiation of maintenance personnel is reduced.
The aspects of the present utility model have been described in detail hereinabove with reference to the accompanying drawings. In the foregoing embodiments, the descriptions of the embodiments are focused on, and for those portions of one embodiment that are not described in detail, reference may be made to the related descriptions of other embodiments. Those skilled in the art will also appreciate that the acts and modules referred to in the specification are not necessarily required for the present utility model. In addition, it can be understood that the steps in the method of the embodiment of the present utility model may be sequentially adjusted, combined and pruned according to actual needs, and the modules in the device of the embodiment of the present utility model may be combined, divided and pruned according to actual needs.
The foregoing description of embodiments of the utility model has been presented for purposes of illustration and description, and is not intended to be exhaustive or limited to the embodiments disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the various embodiments described. The terminology used herein was chosen in order to best explain the principles of the embodiments, the practical application, or the improvement of technology in the marketplace, or to enable others of ordinary skill in the art to understand the embodiments disclosed herein.
Claims (10)
1. The aviation connector insulation test auxiliary device of the reactor core neutron measurement system is characterized by comprising a switching assembly (10) and a plug-in structure (20) arranged on the end part of the switching assembly (10);
the switching component (10) is spliced on the aviation connector, and the concentration of all pins of the aviation connector is short-circuited inside the switching component (10);
the plug-in structure (20) is matched with a measuring meter pen of the measuring instrument, and the measuring meter pen of the measuring instrument is plugged in the plug-in structure (20) and extends into the switching assembly (10) to be electrically connected with all pins on the aviation connector.
2. The insulation test auxiliary device for the aviation connector of the reactor core neutron measurement system according to claim 1, wherein the adapter assembly (10) comprises an adapter (11) matched with the aviation connector and a connecting part (12) with an inner cavity, a plurality of extension lines (13) which are in one-to-one correspondence with all pins of the aviation connector are arranged in the connecting part (12), and each extension line (13) is concentrated into a bundle and extends to the inserting structure (20).
3. The core neutron measurement system aviation connector insulation test auxiliary device according to claim 2, wherein the adapter (11) comprises a nut (111) and an engagement portion (112) arranged in the nut (111) and having a distance from the inner wall of the nut (111), the nut (111) is in threaded connection with the aviation connector, and the engagement portion (112) is electrically connected with all pins of the aviation connector.
4. A core neutron measurement system aviation connector insulation test auxiliary device according to claim 3, characterized in that the engagement portion (112) is provided with a jack (1121) corresponding to a stitch of an aviation connector, the jack (1121) being in electrical communication with the extension line (13); or the connection part (112) is provided with a contact pin (1122) corresponding to the stitch of the aviation connector, and the contact pin (1122) is electrically communicated with the extension line (13).
5. The core neutron measurement system aviation connector insulation test auxiliary device according to claim 2, wherein the adapter assembly (10) comprises a collecting member (14) with a hollow structure arranged inside, and the collecting member (14) is used for collecting each extension line (13) into a bundle and is arranged corresponding to the plug-in structure (20).
6. The aircraft joint insulation test auxiliary device of the reactor core neutron measurement system according to claim 5, wherein the adapter assembly (10) comprises an annular fixing piece (15), and the annular fixing piece (15) is sleeved outside the collecting piece (14) by extending inwards from the outer wall of the adapter assembly (10).
7. The core neutron measurement system aviation connector insulation test auxiliary device according to claim 5, wherein the collecting member (14) is an insulation heat shrink tube.
8. The core neutron measurement system aviation connector insulation test auxiliary device according to claim 2, wherein the adapter (11) is detachably connected with the connecting portion (12).
9. The core neutron measurement system aviation connector insulation test auxiliary device of claim 1, wherein the adapter assembly (10) comprises a dust cap (30) disposed at an end, and the plug structure (20) is disposed on the dust cap (30).
10. The core neutron measurement system aviation connector insulation test auxiliary device according to claim 1, wherein the plug-in structure (20) is a plug-in hole on the adapter assembly (10) or the plug-in structure (20) is a banana seat with a plug-in hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322139576.3U CN220650726U (en) | 2023-08-09 | 2023-08-09 | Auxiliary device for insulation test of aviation connector of reactor core neutron measurement system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322139576.3U CN220650726U (en) | 2023-08-09 | 2023-08-09 | Auxiliary device for insulation test of aviation connector of reactor core neutron measurement system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220650726U true CN220650726U (en) | 2024-03-22 |
Family
ID=90263956
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322139576.3U Active CN220650726U (en) | 2023-08-09 | 2023-08-09 | Auxiliary device for insulation test of aviation connector of reactor core neutron measurement system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220650726U (en) |
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2023
- 2023-08-09 CN CN202322139576.3U patent/CN220650726U/en active Active
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