CN106248152A - A kind of novel enclosed passage small amount of flow measuring device and assembly method thereof - Google Patents
A kind of novel enclosed passage small amount of flow measuring device and assembly method thereof Download PDFInfo
- Publication number
- CN106248152A CN106248152A CN201610879762.2A CN201610879762A CN106248152A CN 106248152 A CN106248152 A CN 106248152A CN 201610879762 A CN201610879762 A CN 201610879762A CN 106248152 A CN106248152 A CN 106248152A
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- China
- Prior art keywords
- shell body
- measuring device
- small amount
- flow measuring
- inner housing
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/05—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects
- G01F1/20—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by detection of dynamic effects of the flow
- G01F1/28—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by detection of dynamic effects of the flow by drag-force, e.g. vane type or impact flowmeter
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- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Monitoring And Testing Of Nuclear Reactors (AREA)
Abstract
The invention discloses a kind of novel enclosed passage small amount of flow measuring device, solve the flow measurement problem of tiny flow quantity assembly in overall hydraulic analogy test；Use Double-casing pattern that turbine movement is assembled in long and narrow limited space, signal detector is installed in shell body in the way of independent the most pre-packaged and secondary encapsulating simultaneously, improves the insulated enclosure performance of flow measurement device；Apparatus main body uses aluminium manufacture, and shell body have employed the regular hexagon structure consistent with assembly in prototype reactor, meets the requirement of simulation rules in overall hydraulic analogy test；This device can be applied to the flow measurement of research reactor entirety hydraulic analogy test medium-small flow assembly.The invention have the advantage that and can realize the flow measurement to tiny flow quantity simulated assembly on large reactor entirety hydraulic analogy subscale test；Sealed insulation performance is good；Profile, material are all fitted prototype component, it is ensured that requirement to simulation rules in experimental study.
Description
Technical field
The present invention relates to a kind of assay device, be specifically related to a kind of novel enclosed passage small amount of flow measuring device.
Background technology
In reactor entirety hydraulic analogy experimental study, need the inner stream flow measured by each assembly thus obtain
The inter-module assignment of traffic factor, the thermal-hydraulic safe design for reactor provides with reference to and instructs.Relative to traditional commercialization
Presurized water reactor, research reactor core structure is complicated, and assembly kind is more, all have employed enclosed channel design, and inhomogeneity
Between the assembly of type, flow differs greatly.When using scale model to carry out reactor entirety hydraulic analogy test, for prototype
Low discharge assembly in reactor, in experimental study, metered flow can be less.
Existing flow measurement device typically uses single hull structure, and the turbine of turbine flowmeter and detector are carried out respectively
Encapsulation, volume is relatively big, and precision is the highest, it is impossible to meet high accuracy subscale test to the flow measurement to tiny flow quantity simulated assembly
Requirement.
Summary of the invention
The technical problem to be solved is to measure tiny flow quantity with higher precision, it is therefore intended that provide
A kind of novel enclosed passage small amount of flow measuring device, solves to realize small in large reactor entirety hydraulic analogy test
The problem of the flow measurement of flow simulation assembly.
The present invention is achieved through the following technical solutions:
A kind of novel enclosed passage small amount of flow measuring device, including housing, described housing include interconnective inner housing and
Shell body, shell body is sleeved on outside inner housing, is provided with miniature turbine blade in inner housing middle cavity, the closeest in shell body
The detector module that Feng Youyu miniature turbine blade matches.This flow measurement device is cut by fluid drives miniature turbine blade
Cut magnetic induction line thus produce the mode of corresponding electromagnetic induction frequency and carry out the measurement of flow, have employed during the assembling of turbine movement
Double-casing Installation Modes, is first installed on turbine assembly in inner housing, is installed in shell body by inner housing, inner housing the most again
By clamp nut with shell body location with fixing, this mode can effectively reduce the assembling of miniature turbine under slim-lined construction
Difficulty, it is ensured that the reliability of assembling, reduces equipment volume.
Described shell body uses regular hexagon prism structure.Have employed regular hexagon structure, simulate prototype reactor group
The contour structures feature of part, meets the demand to similarity criterion in test.
Described shell body import and export have employed the mode of matched in clearance and glue envelope and is connected with simulated assembly upper-lower section.Use
The mode of matched in clearance and glue envelope is connected with simulated assembly upper-lower section, easy disassembly, and is avoided that seepage flow is to flow measurement
Impact.
Described shell body and inner housing have employed aluminium manufacture.Apparatus main body material have employed aluminium manufacture, it is possible to accurately
The Flow vibration characteristic of reflection prototype component.
A kind of assembly method of novel enclosed passage small amount of flow measuring device, the following steps including carrying out successively:
A, the middle cavity that miniature turbine blade is installed in inner housing；
B, being installed in shell body by inner housing, inner housing is fixed in shell body；
C, detector module is loaded in shell body, seal；
D, shell body is connected with simulated assembly upper-lower section.
Inner housing is positioned with fixing by clamp nut and shell body.This mode can effectively reduce under slim-lined construction
The assembly difficulty of miniature turbine, it is ensured that the reliability of assembling.
Detector module is to be packaged in single signal detector housing by signal detector, and utilize clamp nut with
And detector lead-in wire is carried out sealing formation by O shaped rubber circle.Carry out pre-packaged, improve the insulated enclosure performance of signal detector.
The mode of secondary encapsulating is used to seal between detector module and shell body.Adopt in this way in improve
The insulated enclosure performance of signal detector；Secondary encapsulating refers to, after assembly is carried out encapsulating, after primary glue is shaped,
Avoid the occurrence of gap and carry out an encapsulating again.
The present invention compared with prior art, has such advantages as and beneficial effect:
1, a kind of novel enclosed passage small amount of flow measuring device of the present invention, have employed miniature turbine blade and Double-casing assembling side
Formula, it is possible to realize the flow measurement to tiny flow quantity simulated assembly on large reactor entirety hydraulic analogy subscale test；
2, a kind of novel enclosed passage small amount of flow measuring device of the present invention, signal detector have employed independent pre-packaged and secondary
Encapsulating pattern, it is ensured that flow measurement device sealed insulation performance in the case of inside and outside all bands pressure；
3, a kind of novel enclosed passage small amount of flow measuring device of the present invention, profile, material are all fitted prototype component, it is ensured that examination
Test the requirement to simulation rules in research.
Accompanying drawing explanation
Accompanying drawing described herein is used for providing being further appreciated by the embodiment of the present invention, constitutes of the application
Point, it is not intended that the restriction to the embodiment of the present invention.In the accompanying drawings:
Fig. 1 is present configuration schematic diagram；
Fig. 2 is influent side view of the present invention.
The parts title of labelling and correspondence in accompanying drawing:
1-turbine flowmeter holding wire, 2-clamp nut, 3-shell body, 4-detector module, 5-miniature turbine blade, 6-inner shell
Body, 7-clamp nut.
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with embodiment and accompanying drawing, to this
Invention is described in further detail, and the exemplary embodiment of the present invention and explanation thereof are only used for explaining the present invention, do not make
For limitation of the invention.
Embodiment
As shown in Figure 1 and Figure 2, a kind of novel enclosed passage small amount of flow measuring device of the present invention, miniature by fluid drives
Turbo blade cutting magnetic induction line thus produce the mode of corresponding electromagnetic induction frequency and carry out the measurement of flow, fill in accordance with the following methods
Joining and form: the middle cavity being first installed in inner housing by miniature turbine blade, then inner housing passes through clamp nut and shell
Body location is with fixing, then signal detector is packaged in formation detector module in single signal detector housing, finally will inspection
Survey device assembly and load in shell body, use the mode of secondary encapsulating to seal, be connected with simulated assembly upper-lower section after completing；Dress
Putting material of main part and have employed aluminium manufacture, including housing, described housing includes interconnective inner housing 6 and shell body 3, shell
Body 3 is sleeved on outside inner housing 6, is provided with miniature turbine blade 5 in inner housing 6 middle cavity, be also sealed with in shell body 3 with
The detector module 4 that miniature turbine blade 5 matches；Have employed Double-casing Installation Modes during the assembling of turbine movement, first will
Miniature turbine blade 5 is installed in inner housing 6, is installed in shell body 3 by inner housing 6 the most again, and inner housing 6 is by compressing spiral shell
Female 7 position with fixing with shell body 3, and shell body 3 have employed regular hexagon structure, turbine inlet and outlet and have employed concentric reducer knot
Structure, liquid flows into end and outflow end bore is relatively big, and intermediate detection part bore is less；The insulated enclosure of detector module 4 uses
Independent pre-packaged and secondary encapsulating pattern, is first packaged in signal detector in single signal detector housing, and utilizes
Turbine flowmeter holding wire 1 is sealed by clamp nut 2 and O shaped rubber circle, forms detector module 4, then by detector
Assembly 4 is installed in flow measurement device shell body 3, and uses the mode of secondary encapsulating by solid with shell body 3 for detector module 4
Determine and seal；The flow measurement device manufactured as stated above can be to 0.3-1m3The flow of/h carries out the survey that precision is 0.5 grade
Amount.
Above-described detailed description of the invention, has been carried out the purpose of the present invention, technical scheme and beneficial effect further
Describe in detail, be it should be understood that the detailed description of the invention that the foregoing is only the present invention, be not intended to limit the present invention
Protection domain, all within the spirit and principles in the present invention, any modification, equivalent substitution and improvement etc. done, all should comprise
Within protection scope of the present invention.
Claims (8)
1. a novel enclosed passage small amount of flow measuring device, including housing, it is characterised in that described housing includes interconnecting mutually
The inner housing (6) connect and shell body (3), shell body (3) is sleeved on inner housing (6) outward, is provided with in inner housing (6) middle cavity
Miniature turbine blade (5), is also sealed with the detector module (4) matched with miniature turbine blade (5) in shell body (3).
One the most according to claim 1 novel enclosed passage small amount of flow measuring device, it is characterised in that described shell
Body (3) uses regular hexagon prism structure.
One the most according to claim 4 novel enclosed passage small amount of flow measuring device, it is characterised in that described shell
Body (3) import and export have employed the mode of matched in clearance and glue envelope and is connected with simulated assembly upper-lower section.
One the most according to claim 1 novel enclosed passage small amount of flow measuring device, it is characterised in that described shell
Body (3) and inner housing (6) have employed aluminium manufacture.
5. the assembly method of a novel enclosed passage small amount of flow measuring device, it is characterised in that include carrying out successively with
Lower step:
A, miniature turbine blade (5) is installed on the middle cavity in inner housing (6)；
B, being installed in shell body (3) by inner housing (6), inner housing (6) is sleeved in shell body (3)；
C, detector module (4) is loaded in shell body (3), seal；
D, shell body (3) is connected with simulated assembly upper-lower section.
The assembly method of a kind of novel enclosed passage small amount of flow measuring device the most according to claim 5, its feature exists
In, inner housing (6) is positioned with fixing by clamp nut (7) and shell body (3).
The assembly method of a kind of novel enclosed passage small amount of flow measuring device the most according to claim 5, its feature exists
In, detector module (4) is to be packaged in single signal detector housing by signal detector, and utilizes clamp nut (2)
And detector lead-in wire is carried out sealing formation by O shaped rubber circle.
The assembly method of a kind of novel enclosed passage small amount of flow measuring device the most according to claim 5, its feature exists
In, use the mode of secondary encapsulating to seal between detector module (4) and shell body (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610879762.2A CN106248152A (en) | 2016-10-09 | 2016-10-09 | A kind of novel enclosed passage small amount of flow measuring device and assembly method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610879762.2A CN106248152A (en) | 2016-10-09 | 2016-10-09 | A kind of novel enclosed passage small amount of flow measuring device and assembly method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106248152A true CN106248152A (en) | 2016-12-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610879762.2A Pending CN106248152A (en) | 2016-10-09 | 2016-10-09 | A kind of novel enclosed passage small amount of flow measuring device and assembly method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110415843A (en) * | 2019-08-08 | 2019-11-05 | 中国核动力研究设计院 | The reactor enclosed fuel assembly hydraulics simulating device of resistance adjustment mechanism and its composition |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2588329Y (en) * | 2002-12-25 | 2003-11-26 | 赵元东 | Insert type turbine transmitter |
| CN201066596Y (en) * | 2007-08-31 | 2008-05-28 | 中国核动力研究设计院 | Down pipe base for nucleus fuel component |
| CN101382444A (en) * | 2007-09-07 | 2009-03-11 | 中国核动力研究设计院 | Embedded turbine flowmeter |
| US20140116129A1 (en) * | 2011-11-02 | 2014-05-01 | M-Tech Instrument Corporation (Holding) Limited | MEMS Utility Meters with Integrated Mass Flow Sensors |
-
2016
- 2016-10-09 CN CN201610879762.2A patent/CN106248152A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2588329Y (en) * | 2002-12-25 | 2003-11-26 | 赵元东 | Insert type turbine transmitter |
| CN201066596Y (en) * | 2007-08-31 | 2008-05-28 | 中国核动力研究设计院 | Down pipe base for nucleus fuel component |
| CN101382444A (en) * | 2007-09-07 | 2009-03-11 | 中国核动力研究设计院 | Embedded turbine flowmeter |
| US20140116129A1 (en) * | 2011-11-02 | 2014-05-01 | M-Tech Instrument Corporation (Holding) Limited | MEMS Utility Meters with Integrated Mass Flow Sensors |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110415843A (en) * | 2019-08-08 | 2019-11-05 | 中国核动力研究设计院 | The reactor enclosed fuel assembly hydraulics simulating device of resistance adjustment mechanism and its composition |
| CN110415843B (en) * | 2019-08-08 | 2021-01-26 | 中国核动力研究设计院 | Resistance adjusting mechanism and reactor closed fuel assembly hydraulics simulator who constitutes thereof |
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Application publication date: 20161221 |