CN113280867B - Silk screen sensor assembly for measuring fluid parameters in prototype rod bundle channel - Google Patents
Silk screen sensor assembly for measuring fluid parameters in prototype rod bundle channel Download PDFInfo
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- CN113280867B CN113280867B CN202110675152.1A CN202110675152A CN113280867B CN 113280867 B CN113280867 B CN 113280867B CN 202110675152 A CN202110675152 A CN 202110675152A CN 113280867 B CN113280867 B CN 113280867B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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Abstract
The application provides a wire mesh sensor assembly for measuring fluid parameters in a prototype bundle channel, which sequentially comprises an upstream bundle channel section, a wire mesh sensor assembly and a downstream bundle channel section; the upstream rod bundle channel section and the downstream rod bundle channel section are provided with rod bundle positioning grids and rod bundles, and the rod bundles are fixedly installed through the rod bundle positioning grids; a wire mesh sensor assembly is arranged at the joint of the upstream rod bundle channel section and the downstream rod bundle channel section; the upper surface of the silk screen sensor component is provided with an upper layer of silk screen, the lower surface of the silk screen sensor component is provided with a lower layer of silk screen, and the rod bundle sections embedded into the silk screen sensor are fixed on the lower layer of silk screen and/or the upper layer of silk screen according to the arrangement mode of rod bundles with prototype sizes.
Description
Technical Field
The invention belongs to the technical field of complex flow section multi-phase flow parameter measurement, and particularly relates to a wire mesh sensor assembly for measuring fluid parameters in a prototype rod bundle channel.
Background
The silk screen sensor is used as an intrusive gas-liquid two-phase flow parameter high-frequency acquisition sensor, has the characteristics of convenience, rapidness, high resolution and the like, and can acquire abundant data such as the void fraction of the whole section of a flow channel, the concentration of a phase interface, interface reconstruction imaging and the like. However, the existing wire mesh sensor is mainly applied to laboratory working conditions at normal temperature and normal pressure, and the acquired data is also basically applied to basic scientific research, such as an air-water two-phase flow system.
However, at present, the screen sensors are only successfully applied in relatively regular channels, such as rectangular channels and circular channels, and the cross-sectional dimensions of these flow channels are relatively large, typically tens or even hundreds of times the screen pitch. For the measurement of gas-liquid two-phase flow parameters in a flow channel with a complex section, no related design and application cases exist at present.
In view of the foregoing, it is desirable to provide a wire mesh sensor assembly for use in a channel having a complex cross-section, and more particularly, to a wire mesh sensor assembly that is adaptable for use in a channel having a prototype-sized bundle.
Disclosure of Invention
In order to overcome the defects in the prior art, the application provides a silk screen sensor assembly for measuring fluid parameters in a prototype rod bundle channel, which sequentially comprises an upstream rod bundle channel section, a silk screen sensor assembly and a downstream rod bundle channel section;
the upstream rod bundle channel section and the downstream rod bundle channel section are provided with rod bundle positioning grids and rod bundles, and the rod bundles are fixedly installed through the rod bundle positioning grids;
a wire mesh sensor assembly is arranged at the joint of the upstream rod bundle channel section and the downstream rod bundle channel section;
the upper surface of the silk screen sensor component is provided with an upper layer of silk screen, and the lower surface of the silk screen sensor component is provided with a lower layer of silk screen
Wherein, the rod bundle section embedded in the wire mesh sensor is fixed on the lower layer wire mesh and/or the upper layer wire mesh according to the arrangement mode of the rod bundle with the prototype size.
In one possible implementation manner, the lower-layer wire mesh is distributed on the lower surface of the wire mesh sensor assembly through wire mesh locking holes and is welded and fixed on the lower surface of the wire mesh sensor assembly through wire mesh welding holes;
the upper-layer silk screen is distributed on the upper surface of the silk screen sensor assembly through the silk screen locking holes and is welded and fixed on the upper surface of the silk screen sensor assembly through the silk screen welding holes;
the data transmission joint is welded and fixed on the silk screen sensor component.
In one possible implementation, upstream bundle spacer grids are provided in the upstream bundle channel segment, the upstream bundle spacer grids being provided in upstream spacer grid slots in the upstream bundle channel segment, the bundles being fitted in the upstream bundle spacer grids with their upper surfaces flush with the upper surface of the upstream bundle channel segment 1.
In one possible implementation manner, the joint of the upstream rod bundle channel section and the downstream rod bundle channel section is further provided with a sealing ring, and the sealing ring realizes the sealing effect between the upstream rod bundle channel section and the screen sensor assembly and between the screen sensor assembly and the downstream rod bundle channel section.
In one possible implementation, the seal ring is disposed in a seal ring groove of the downstream rod bundle channel section, the wire mesh sensor assembly is in centering fit with the bolt holes through the PCB bolt holes, and the leg accommodating groove is used for accommodating a soldering projection at the wire mesh welding hole on the wire mesh sensor assembly, so that sealing performance is prevented from being damaged.
In one possible implementation, the downstream bundle channel segment has downstream bundle spacer grids disposed therein that are disposed in downstream spacer grid slots in the downstream bundle channel segment, the bundles fit in the downstream bundle spacer grids with the bundle upper surfaces flush with the downstream bundle channel segment lower surfaces.
Due to the application of the technical scheme, compared with the prior art, the invention has the following beneficial effects: the utility model provides a silk screen sensor subassembly, the pencil section that will imbed the silk screen sensor is fixed on lower floor's silk screen and/or upper silk screen according to the arrangement of prototype size pencil to there is the pencil in the pipeline and can't use the problem of silk screen sensor effectively solved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Embodiments of the invention are further described below with reference to the accompanying drawings:
FIG. 1 is an isometric view of a wire mesh sensor assembly for measuring fluid parameters in a channel of a prototype bundle provided in accordance with an exemplary embodiment of the present application;
FIG. 2 is an elevation view of a wire mesh sensor assembly for measuring fluid parameters within a channel of a prototype bundle provided in accordance with an exemplary embodiment of the present application;
FIG. 3 is a cross-sectional view of a wire mesh sensor assembly for measuring fluid parameters within a channel of a prototype bundle provided in accordance with an exemplary embodiment of the present application;
FIG. 4 is a top view of a wire mesh sensor assembly for measuring fluid parameters in a channel of a prototype bundle provided in an exemplary embodiment of the present application
FIG. 5 is an isometric view of a downstream bundle channel segment of a wire mesh sensor assembly for measuring fluid parameters in a prototype bundle channel provided in accordance with an exemplary embodiment of the present application;
FIG. 6 is a bottom view of a downstream bundle channel segment of a wire mesh sensor assembly for measuring fluid parameters in a prototype bundle channel as provided by an exemplary embodiment of the present application;
FIG. 7 is a screen sensor assembly of the screen sensor assembly for measuring fluid parameters in a channel of a prototype bundle provided in an exemplary embodiment of the present application;
FIG. 8 is an isometric view of an upstream bundle channel segment of a wire mesh sensor assembly for measuring fluid parameters in a prototype bundle channel as provided by an exemplary embodiment of the present application;
FIG. 9 is a bottom view of an upstream bundle channel segment of a screen sensor assembly for measuring fluid parameters in a prototype bundle channel as provided by an exemplary embodiment of the present application;
FIG. 10 is a schematic illustration of a cluster spacer grid structure of a wire mesh sensor assembly for measuring fluid parameters within a channel of a prototype cluster provided in accordance with an exemplary embodiment of the present application;
FIG. 11 is a schematic diagram of a seal ring configuration of a wire mesh sensor assembly for measuring fluid parameters in a channel of a prototype bundle provided in accordance with an exemplary embodiment of the present application;
FIG. 12 is a schematic illustration of a cluster configuration of a wire mesh sensor assembly for measuring fluid parameters within a channel of a prototype cluster provided in accordance with an exemplary embodiment of the present application;
FIG. 13 is an isometric view of a bundle segment of a wire mesh sensor assembly for measuring fluid parameters in a channel of a prototype bundle provided in accordance with an exemplary embodiment of the present application;
description of reference numerals:
1-an upstream bundle channel segment; 2-a wire mesh sensor assembly; 3-a downstream bundle channel section; 4-downstream bundle spacer grids; 5-bundle; 6-sealing ring; 7-an upstream bundle spacer grid; 1-1-bolt hole; 1-2-downstream positioning of a grid trough; 1-3-sealing ring groove; 1-4-pressure measuring hole; 1-5-fillet weld accommodating groove; 1-6-sealing ring groove; 2-1-wire mesh locking holes; 2-2-welding holes with silk screen; 2-3-PCB bolt holes; 2-4-data transmission joint; 2-5-wire mesh; 2-6-embedding a wire mesh sensor rod bundle section; 3-1-bolt hole; 3-2-solder foot accommodating groove; 3-3-sealing ring groove; 3-4-pressure measuring hole; 3-5-upstream positioning of the grid trough.
Detailed Description
The present invention will be described in detail with reference to specific examples. The following examples will assist those skilled in the art in further understanding the invention, but are not intended to limit the invention in any way. It should be noted that it would be obvious to those skilled in the art that various changes and modifications can be made without departing from the spirit of the invention. All falling within the scope of the present invention.
The present invention is further described in detail below with reference to fig. 1 to 4.
As shown in fig. 1, a wire mesh sensor assembly for measuring gas-liquid two-phase flow parameters in a prototype bundle channel includes an upstream bundle channel segment 1, a wire mesh sensor assembly 2, a downstream bundle channel segment 3, a downstream bundle spacer grid 4, a bundle 5, a seal ring 6, and an upstream bundle spacer grid 7. The upstream rod cluster channel section 1, the silk screen sensor assembly 2 and the downstream rod cluster channel section 3 are assembled in sequence from bottom to top. The bundles 5 are precisely positioned and mounted by the downstream bundle spacer grids 4 and the upstream bundle spacer grids 7. The sealing rings 6 achieve sealing between the upstream rod bundle channel section 1 and the screen sensor assembly 2, and between the screen sensor assembly 2 and the downstream rod bundle channel section 3.
The upstream rod bundle channel section 1 comprises 12 bolt holes 1-1 which are uniformly arranged in the circumferential direction, a downstream positioning grid groove 1-2, a sealing ring groove 1-3, 4 pressure measuring holes 1-4 which are uniformly arranged in the circumferential direction, a welding leg accommodating groove 1-5 and a sealing ring groove 1-6.
The downstream rod bundle channel section 3 comprises 12 bolt holes 3-1 which are uniformly arranged in the circumferential direction, a welding foot accommodating groove 3-2, a sealing ring groove 3-3, 4 pressure measuring holes 3-4 which are uniformly arranged in the circumferential direction and an upstream positioning grid groove 3-5.
The screen sensor component 2 comprises screen locking holes 2-1, screen welding holes 2-2, 12 PCB bolt holes 2-3 which are uniformly distributed in the circumferential direction, data transmission joints 2-4, screens 2-5 and embedded screen sensor rod bundle sections 2-6.
Preferably, the diameter of the screen 2-5 is 0.1mm in order to obtain optimal measurement data.
Preferably, the lateral spacing of the screens is 2mm in order to obtain optimum measurement data.
Preferably, the screen sensor has a thickness of 2mm in order to obtain optimal measurement data.
The present application will be described in further detail below in conjunction with the principles of assembly of a wire mesh sensor assembly for measuring gas-liquid two-phase flow parameters in a prototype bundle channel as provided herein.
(1) Firstly, distributing a lower-layer silk screen 2-5 on the lower surface of a silk screen sensor component 2 through silk screen locking holes 2-1, and simultaneously soldering the lower-layer silk screen 2 to the lower surface of the silk screen sensor component 2 through silk screen welding holes 2-2; then, fixing the embedded wire mesh sensor rod bundle sections 2-6 on the lower wire mesh 2-5 by using an adhesive according to the arrangement mode of the rod bundles with the original size through a ruler; next, the upper layer of silk screen 2-5 is distributed on the upper surface of the silk screen sensor component 2 through the silk screen locking holes 2-1, and is soldered on the upper surface of the silk screen sensor component 2 through the silk screen welding holes 2-2; then, fixing the upper layer screen 2-5 and the upper surface of the embedded screen sensor rod bundle section 2-6 through an adhesive; finally, the data transmission connections 2-4 are soldered to the wire mesh sensor package 2.
(2) The upstream bundle spacer grid 7 is placed in the upstream spacer grid slots 3-5 in the upstream bundle channel segment 1 and the bundles 5 are then assembled in the upstream bundle spacer grid 7 with the upper surface of the bundles 5 flush with the upper surface of the upstream bundle channel segment 1. The sealing ring 6 is placed in the sealing ring groove 3-3, then the silk screen sensor assembly 2 is matched with the bolt hole 3-1 in a centering mode through the bolt hole 2-3 of the PCB, the welding leg accommodating groove 3-2 is used for accommodating a tin soldering bulge at the silk screen welding hole 2-2 on the silk screen sensor assembly 2, sealing performance is prevented from being damaged, and the pressure measuring hole 3-4 is used for being connected with a pressure measuring system.
(3) The downstream bundle spacer grid 4 is placed in the downstream spacer grid slots 1-2 in the downstream bundle channel segment 3 and the bundles 5 are then assembled in the downstream bundle spacer grid 4 with the upper surface of the bundles 5 flush with the lower surface of the downstream bundle channel segment 3. The sealing ring 6 is placed in the sealing ring groove 1-6, then the PCB bolt holes 2-3 of the silk screen sensor assembly 2, the bolt holes 3-1 of the upstream rod bundle channel section and the bolt holes 1-1 of the downstream rod bundle channel section are matched in a centering mode, and the welding leg accommodating grooves 1-5 are used for accommodating tin soldering protrusions at the silk screen welding holes 2-2 on the silk screen sensor assembly 2, so that sealing performance is prevented from being damaged. The pressure measuring holes 1-4 are used for connecting a pressure measuring system, and the sealing ring grooves 1-3 are used for being reserved and connected with a downstream experimental device for use.
The inventive concept is explained in detail herein using specific examples, which are given only to aid in understanding the core concepts of the invention. It should be understood that any obvious modifications, equivalents and other improvements made by those skilled in the art without departing from the spirit of the present invention are included in the scope of the present invention.
Other embodiments of the present application will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the application and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the application being indicated by the following claims.
It will be understood that the present application is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the application is limited only by the appended claims.
It should be understood that reference to "a plurality" herein means two or more. "and/or" describes the association relationship of the associated objects, meaning that there may be three relationships, e.g., a and/or B, which may mean: a exists alone, A and B exist simultaneously, and B exists alone. The character "/" generally indicates that the former and latter associated objects are in an "or" relationship.
It will be understood by those skilled in the art that all or part of the steps for implementing the above embodiments may be implemented by hardware, or may be implemented by a program instructing relevant hardware, where the program may be stored in a computer-readable storage medium, and the above-mentioned storage medium may be a read-only memory, a magnetic disk or an optical disk, etc.
The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.
Claims (6)
1. A wire mesh sensor assembly for measuring fluid parameters in a prototype bundle channel, comprising, in order, an upstream bundle channel segment, a wire mesh sensor assembly, a downstream bundle channel segment;
the upstream rod bundle channel section and the downstream rod bundle channel section are provided with rod bundle positioning grids and rod bundles, and the rod bundles are fixedly installed through the rod bundle positioning grids;
a wire mesh sensor assembly is arranged at the joint of the upstream rod bundle channel section and the downstream rod bundle channel section;
the upper surface of the silk screen sensor assembly is provided with an upper layer of silk screen, and the lower surface of the silk screen sensor assembly is provided with a lower layer of silk screen;
wherein, the rod cluster section of the embedded silk screen sensor is fixed on the lower layer silk screen and/or the upper layer silk screen according to the arrangement mode of the rod cluster with the original size.
2. The wire mesh sensor assembly of claim 1, wherein the wire mesh sensor assembly is configured to measure a fluid parameter in the channel of the prototype bundle,
the lower-layer silk screen is distributed on the lower surface of the silk screen sensor assembly through the silk screen locking holes and is welded and fixed on the lower surface of the silk screen sensor assembly through the silk screen welding holes;
the upper-layer silk screen is distributed on the upper surface of the silk screen sensor assembly through the silk screen locking holes and is welded and fixed on the upper surface of the silk screen sensor assembly through the silk screen welding holes;
the data transmission joint is welded and fixed on the silk screen sensor component.
3. The wire mesh sensor assembly of claim 1, wherein the upstream bundle channel segment has an upstream bundle spacer grid disposed therein, the upstream bundle spacer grid being disposed in an upstream spacer grid slot in the upstream bundle channel segment, the bundle being mounted in the upstream bundle spacer grid with an upper surface of the bundle flush with an upper surface of the upstream bundle channel segment 1.
4. The wire mesh sensor assembly of claim 1, wherein the junction of the upstream and downstream bundle channel segments is further provided with a sealing ring that seals between the upstream bundle channel segment and the wire mesh sensor assembly, and between the wire mesh sensor assembly and the downstream bundle channel segment.
5. The wire mesh sensor assembly of claim 4, wherein the wire mesh sensor assembly is configured to measure a fluid parameter in the channel of the prototype bundle,
the sealing washer sets up in the sealing washer groove of low reaches rod cluster passageway section, the silk screen sensor subassembly passes through PCB board bolt hole and bolt hole centering cooperation, and the leg holding tank is used for holding the tin soldering arch of silk screen welding hole department on the silk screen sensor subassembly, avoids destroying sealing performance.
6. The wire mesh sensor assembly of claim 1, wherein the wire mesh sensor assembly is configured to measure a fluid parameter in the channel of the prototype bundle,
a downstream bundle spacer grid is disposed in the downstream bundle channel segment and is disposed in a downstream spacer grid slot in the downstream bundle channel segment in which the bundle fits with the bundle upper surface flush with the downstream bundle channel segment lower surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110675152.1A CN113280867B (en) | 2021-06-17 | 2021-06-17 | Silk screen sensor assembly for measuring fluid parameters in prototype rod bundle channel |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110675152.1A CN113280867B (en) | 2021-06-17 | 2021-06-17 | Silk screen sensor assembly for measuring fluid parameters in prototype rod bundle channel |
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| CN113280867A CN113280867A (en) | 2021-08-20 |
| CN113280867B true CN113280867B (en) | 2022-03-08 |
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| KR20170052864A (en) * | 2015-11-05 | 2017-05-15 | 대우조선해양 주식회사 | Adjustable wire-mesh sensor |
| CN106683722A (en) * | 2017-02-22 | 2017-05-17 | 哈尔滨工程大学 | Rod bundle channel flow pressure measuring test device |
| CN110926562A (en) * | 2019-12-16 | 2020-03-27 | 西安交通大学 | Top end positioning piece suitable for flow measurement of rod bundle sub-channel outlet |
| CN111415762A (en) * | 2020-04-02 | 2020-07-14 | 哈尔滨工程大学 | Full visual body structure of annular fuel element flow |
| CN111986825A (en) * | 2020-08-24 | 2020-11-24 | 中国科学院近代物理研究所 | Visual thermotechnical fluid experimental device for fuel rod bundle |
| CN112420228A (en) * | 2020-11-19 | 2021-02-26 | 中国核动力研究设计院 | Flow channel selection method and system for CHF (channel flow channel) of rod bundle channel under action of transient external force field |
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2021
- 2021-06-17 CN CN202110675152.1A patent/CN113280867B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20170052864A (en) * | 2015-11-05 | 2017-05-15 | 대우조선해양 주식회사 | Adjustable wire-mesh sensor |
| CN106683722A (en) * | 2017-02-22 | 2017-05-17 | 哈尔滨工程大学 | Rod bundle channel flow pressure measuring test device |
| CN110926562A (en) * | 2019-12-16 | 2020-03-27 | 西安交通大学 | Top end positioning piece suitable for flow measurement of rod bundle sub-channel outlet |
| CN111415762A (en) * | 2020-04-02 | 2020-07-14 | 哈尔滨工程大学 | Full visual body structure of annular fuel element flow |
| CN111986825A (en) * | 2020-08-24 | 2020-11-24 | 中国科学院近代物理研究所 | Visual thermotechnical fluid experimental device for fuel rod bundle |
| CN112420228A (en) * | 2020-11-19 | 2021-02-26 | 中国核动力研究设计院 | Flow channel selection method and system for CHF (channel flow channel) of rod bundle channel under action of transient external force field |
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