CN106597330A - Test device for simulating control rod driving mechanism mobile armature motion process - Google Patents
Test device for simulating control rod driving mechanism mobile armature motion process Download PDFInfo
- Publication number
- CN106597330A CN106597330A CN201611170269.XA CN201611170269A CN106597330A CN 106597330 A CN106597330 A CN 106597330A CN 201611170269 A CN201611170269 A CN 201611170269A CN 106597330 A CN106597330 A CN 106597330A
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- simulation
- motion process
- magnetic
- mobile armature
- armature motion
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/12—Measuring magnetic properties of articles or specimens of solids or fluids
- G01R33/1238—Measuring superconductive properties
- G01R33/1246—Measuring critical current
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- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Linear Motors (AREA)
Abstract
The invention discloses a test device for simulating a control rod driving mechanism mobile armature motion process. The test device comprises a supporting stand of which a center is provided with an open hole, a supporting cylinder arranged on the supporting stand, and an upper magnetic conductive ring and a lower magnetic conductive ring which are arranged at upper and lower sides of periphery of the supporting cylinder, an upper magnet yoke arranged on the supporting stand, a lower magnet yoke arranged opposite to the upper magnet yoke, and signal acquisition equipment connected with a DC power supply, wherein the supporting cylinder is provided with a mobile armature arranged on the supporting stand and a fixed magnetic pole arranged opposite to the mobile armature, the mobile armature is equipped with a positioning rod, a lower end of the positioning rod is provided with a mobile armature motion state measurement member and a magnet opposite to the mobile armature motion state measurement member, the fixed magnetic pole is connected the DC power supply, a lower end of the fixed magnetic pole is equipped with a magnetic isolation plate provided with a magnetic induction intensity measurement element, a coil which is arranged to surround the upper magnetic conductive ring and the lower magnetic conductive ring and is connected with the DC power supply is arranged between the upper magnetic yoke and the lower magnetic yoke, and the signal acquisition equipment is connected with the mobile armature motion state measurement member and the magnetic induction intensity measurement element.
Description
Technical field
The present invention relates to a kind of simulation test device, it is more particularly related to a kind of simulation control rod driving machine
Structure moves the experimental rig of armature motion process, and it can be used to test antifreeze plate difference magnetic conductivity, thickness, lifts load, lifted
Critical current under gap, and the change of above-mentioned each factor is studied on critical current impact.
Background technology
Moving coil electric current when moving armature adhesive or disconnecting moment is referred to as critical current, and critical current is to evaluate control
One of important parameter of rod drive mechanism safe operation, therefore moving coil electric current is analyzed very necessary.
Due to CRDM manufacturing cost height, complex structure, dismounting difficulty, it is difficult to analyze critical current comprehensively
Influence factor, the current analysis and research for not yet carrying out system to the influence factor of critical current both at home and abroad.Related nuclear power projects
In, when hot rear cold conditions checking test is carried out, the Jing armature that is often moved is released when the CRDM of nuclear power generating sets dispatches from the factory
Problem of the critical current less than acceptance criteria is put, the serious delayed and huge Jing of schedule of deliveries of CRDM is caused
Ji loss.
The related side such as equipment design and manufacture is in key factor (such as antifreeze plate flexibility, the dress to affecting critical current
With mode, surface roughness, fit-up gap etc.) when being analyzed, due to without correlation model, to antifreeze plate flexibility, assembling
The problems such as how factors such as mode, fit-up gap affect release critical current, have much impacts cannot carry out qualitative analysis.It is only capable of
Change the parameters such as antifreeze plate flexibility, assembling mode, surface roughness and fit-up gap item by item by conventional manufacturing experience, pass through
Test method is collected data and is analyzed, and not only needs time length, infusion of financial resources big, and cannot be critical to discharging to each factor
The impact of electric current carries out comprehensive and systematic analysis, it is impossible to grasps each factor to discharging the affecting laws of critical current, causes 10
Do not find out yet or so moon and cause critical current less than the basic reason of setting, it is also difficult to solve subsequently targetedly to formulate
Problem scheme provides effective foundation and support.
Due to external CRDM, main supplier is furtherd investigate, therefore, guaranteeing that combination property is not low
On the basis of design requirement, it is necessary to be controlled the development of rod driving antifreeze plate domestic material, wherein, according to control
Rod drive mechanism magnetic circuit builds simulation test device and carries out qualitative point to the key factor for affecting mobile armature release critical current
Analysis, and calculate carry out verifying to be the core content for domesticizing with ANSYS limited element analysis techniques by magnetic circuit.
The content of the invention
It is an object of the invention to：Overcome the deficiencies in the prior art, there is provided one kind simulation CRDM movement rank
The experimental rig of iron motion process, it can be used to accurately test antifreeze plate difference magnetic conductivity, thickness, lifts load, lifts gap
Under critical current.
In order to realize foregoing invention purpose, the invention provides a kind of simulation CRDM movement armature motion mistake
The experimental rig of journey, it includes：
Supporting table, the center of supporting table is provided with perforate；
The support tube being placed in supporting table, the mobile armature being provided with support tube in supporting table and positioned at mobile armature
Top and the fixed magnetic pole being oppositely arranged with mobile armature, are installed with along support tube direction on mobile armature and extend out
The locating rod in hole, locating rod lower end be provided with mobile armature motion state measurement element and with mobile armature motion state measurement element
The magnet being oppositely arranged, fixed magnetic pole connection dc source and lower end be provided be provided with magnetic flux density measurement element every magnetic
Piece；
Upper magnetic guiding loop and lower magnetic guiding loop, upper magnetic guiding loop and lower magnetic guiding loop are separately mounted to the both sides up and down of support tube periphery；
The lower yoke that is placed in supporting table and with the upper magnet yoke that lower yoke is oppositely arranged, be provided between upper magnet yoke and lower yoke
The coil of the connection dc source arranged around upper magnetic guiding loop and lower magnetic guiding loop；And
The signal collecting device being connected with dc source, signal collecting device connects respectively mobile armature motion state measurement
Element and magnetic flux density measurement element.
Improve as a kind of the of experimental rig of present invention simulation CRDM movement armature motion process, it is described
Antifreeze plate is provided with breach, and the magnetic flux density measurement element is arranged in breach.
Improve as a kind of the of experimental rig of present invention simulation CRDM movement armature motion process, it is described
Mobile armature surrounding is uniformly provided with several guide plates.
Improve as a kind of the of experimental rig of present invention simulation CRDM movement armature motion process, it is described
Upper magnet yoke is provided with magnetic pole fixed mount, and the fixed magnetic pole is fixedly installed in magnetic pole fixed mount lower end.
Improve as a kind of the of experimental rig of present invention simulation CRDM movement armature motion process, it is described
Magnetic flux density measurement element on antifreeze plate is Hall element.
Improve as a kind of the of experimental rig of present invention simulation CRDM movement armature motion process, it is described
Mobile armature motion state measurement element is Hall element.
Improve as a kind of the of experimental rig of present invention simulation CRDM movement armature motion process, it is described
Coil current measuring cell is Hall current sensor.
Improve as a kind of the of experimental rig of present invention simulation CRDM movement armature motion process, it is described
The signal of measuring in real time of signal collecting device measurement is recorded to computer.
Improve as a kind of the of experimental rig of present invention simulation CRDM movement armature motion process, it is described
Antifreeze plate it is adjustable with the distance between mobile armature.
Improve as a kind of the of experimental rig of present invention simulation CRDM movement armature motion process, it is described
Pad is provided between antifreeze plate and mobile armature.
Improve as a kind of the of experimental rig of present invention simulation CRDM movement armature motion process, it is described
The magnetic conductivity of antifreeze plate, thickness, lift load, to lift gap adjustable.
Compared with prior art, the present invention is distributed with reference to the practical structures and magnetic circuit of CRDM and devises simulation
CRDM moves the experimental rig of armature motion process, and by simulating CRDM armature motion mistake is moved
The experimental rig of journey can be with the flexibility of qualitative analysis antifreeze plate, assembling mode, surface roughness, fit-up gap, magnetic conductivity etc.
Impact of the parameter to release critical current, and the accuracy analyzed can be calculated by magnetic circuit and ANSYS limited element analysis techniques be carried out
Checking.
Description of the drawings
With reference to the accompanying drawings and detailed description, to present invention simulation CRDM movement armature motion process
Experimental rig be described in detail, wherein：
Fig. 1 is the structural representation of the experimental rig of present invention simulation CRDM movement armature motion process.
Fig. 2 is the partial sectional view of the experimental rig of present invention simulation CRDM movement armature motion process.
Fig. 3 is that the work magnetic circuit of the experimental rig of present invention simulation CRDM movement armature motion process is illustrated
Figure.
1- dc sources, 2- signal collecting devices, 3- supporting tables, 4- magnet, 5- coil current measuring cells, 6- movement ranks
Iron motion state measuring cell, magnetic flux density measurement element at 7- antifreeze plates, 8- locating rods, 9- guide plates, 10- magnetic poles are fixed
Frame, 11- upper magnet yokes, 12- lower yokes, 13- coils, 14- lower magnetic guiding loops, the upper magnetic guiding loops of 15-, 16- magnetic poles, 17- antifreeze plates, 18-
Mobile armature, 19- support tubes.
Specific embodiment
In order that the purpose of the present invention, technical scheme and its Advantageous Effects become apparent from, below in conjunction with accompanying drawing and tool
Body embodiment, the present invention will be described in further detail.It should be appreciated that the specific embodiment party described in this specification
Formula is not intended to limit the present invention just for the sake of explaining the present invention.
Refer to shown in Fig. 1 and Fig. 2, present invention simulation CRDM moves the experimental rig of armature motion process
Including：
Supporting table 3, the center of supporting table 3 is provided with perforate (mark)；
The support tube 19 being placed in supporting table 3, the mobile armature 18 being provided with support tube 19 in supporting table 3 and is located at
The top of mobile armature 18 and the fixed magnetic pole 16 being oppositely arranged with mobile armature 18, be installed with mobile armature 18 along
The locating rod 8 of perforate is extended in support cylinder 19 direction, the lower end of locating rod 8 be provided with mobile armature motion state measurement element 6 and with shifting
The magnet 4 that moving armature motion state measuring cell 6 is oppositely arranged, fixed magnetic pole 16 connects dc source 1 and lower end is provided with and sets
There is the antifreeze plate 17 of magnetic flux density measurement element 7；
Upper magnetic guiding loop 15 and lower magnetic guiding loop 14, upper magnetic guiding loop 15 and lower magnetic guiding loop 14 are separately mounted to the periphery of support tube 19
Upper and lower both sides；
The lower yoke 12 being placed in supporting table 3 and the upper magnet yoke 11 being oppositely arranged with lower yoke 12, upper magnet yoke 11 and lower magnetic
The coil 13 of the connection dc source 1 arranged around upper magnetic guiding loop 15 and lower magnetic guiding loop 14 is provided between yoke 12；And
The signal collecting device 2 being connected with dc source 1, signal collecting device 2 connects respectively mobile armature motion state
Measuring cell 6 and magnetic flux density measurement element 7, the signal of measuring in real time of the measurement of signal collecting device 2 is recorded to computer (not
Diagram).
In the shown embodiment, antifreeze plate 17 is provided with breach (mark), and magnetic flux density measurement element 7 is arranged at
In breach.
In the shown embodiment, the surrounding of mobile armature 18 is uniformly provided with four guide plates 9.
In the shown embodiment, upper magnet yoke 11 is provided with magnetic pole fixed mount 10, and fixed magnetic pole 16 is fixedly installed in magnetic pole
The lower end of fixed mount 10.
In the shown embodiment, the magnetic flux density measurement element 7 on antifreeze plate 17 is Hall element, mobile armature fortune
Dynamic state measurement element 6 is Hall element, and coil current measuring cell 5 is Hall current sensor.
It is understood that antifreeze plate 17 is adjustable with the distance between mobile armature 18, for example, in antifreeze plate 17 and movement
Pad is provided between armature 18, the distance between antifreeze plate 17 and mobile armature 18 can be adjusted by the thickness of adjusting gasket.
Additionally, according to actual needs, the magnetic conductivity of antifreeze plate 17, thickness, lift load, to lift gap adjustable.
The present invention simulates the operation principle of the experimental rig of CRDM movement armature motion process：Open straight
Stream power supply 1 switchs and adjusts size of current, and coil 13 is powered, mobile armature 18 be subject to electromagnetic force be used as lifter motion and with
The adhesive of antifreeze plate 17.Dc source 1 is disconnected, the dead electricity of coil 13, mobile armature 18 discharges and falls after rise to supporting table 3, completes once
The motion process simulation of mobile armature.
Magnetic structure shown in Fig. 3 is the work magnetic circuit of CRDM, and the magnetic structure drives with actual control rod
Motivation structure it is consistent.The coil magnetization electric current under different static conditions can be obtained using magnetic circuit computational methods, it is each so as to obtain
Impact of the factor to coil critical current.Magnetic circuit calculate detailed process be：Calculate each member magnetic circuit area S of magnetic circuit and length l
Parameter → given electromagnetism the suction-combining force F → magnetic flux phi g at air gap → according to kirchhoff is calculated according to Maxwell's suction formula
First Law and Kirchhoff's second law calculate each element magnetomotive force Fm → total magnetomotive force Fmt of calculating magnetic circuit in magnetic circuit → obtain
Coil current I.
Rod drive mechanism electromagnetic field analysis can be controlled using finite element electromagnetic computation program ANSYS, be utilized
PLANE53 units set up 2 dimension axisymmetric models, solve to coil applied voltage (coil current I and the product of resistance) excitation electric
Magnetic force F.Calculated by changing modeling parameters, impact situation of each factor to critical current can be obtained.
The result verification simulation test device that FEM calculation and magnetic circuit are calculated can be utilized to test the accurate of critical current
Property, and the shadow with the ginseng such as this qualitative analysis flexibility, assembling mode, surface roughness, fit-up gap, magnetic conductivity to critical current
Ring.
Compared with prior art, the present invention is distributed with reference to the practical structures and magnetic circuit of CRDM and devises simulation
CRDM moves the experimental rig of armature motion process, and by simulating CRDM armature motion mistake is moved
The experimental rig of journey can be with the flexibility of qualitative analysis antifreeze plate, assembling mode, surface roughness, fit-up gap, magnetic conductivity etc.
Impact of the parameter to release critical current, and the accuracy analyzed can be calculated by magnetic circuit and ANSYS limited element analysis techniques be carried out
Checking.
The announcement and teaching of book according to the above description, those skilled in the art in the invention can also be to above-mentioned embodiment party
Formula carries out appropriate change and modification.Therefore, specific embodiment disclosed and described above is the invention is not limited in, to this
Some modifications and changes of invention should also be as falling in the scope of the claims of the present invention.Although additionally, this specification
Used in some specific terms, but these terms are merely for convenience of description, do not constitute any restriction to the present invention.
Claims (11)
1. a kind of simulation CRDM moves the experimental rig of armature motion process, it is characterised in that include：
Supporting table, the center of supporting table is provided with perforate；
The support tube being placed in supporting table, the mobile armature being provided with support tube in supporting table and positioned at mobile armature top
And the fixed magnetic pole being oppositely arranged with mobile armature, it is installed with along support tube direction on mobile armature and extends perforate
Locating rod, locating rod lower end is provided with mobile armature motion state measurement element and relative with mobile armature motion state measurement element
The magnet of setting, fixed magnetic pole connects dc source and lower end is provided with the antifreeze plate for being provided with magnetic flux density measurement element；
Upper magnetic guiding loop and lower magnetic guiding loop, upper magnetic guiding loop and lower magnetic guiding loop are separately mounted to the both sides up and down of support tube periphery；
The lower yoke being placed in supporting table and the upper magnet yoke being oppositely arranged with lower yoke, are provided between upper magnet yoke and lower yoke and surround
The coil of the connection dc source that upper magnetic guiding loop and lower magnetic guiding loop are arranged；And
The signal collecting device being connected with dc source, signal collecting device connects respectively mobile armature motion state measurement element
With magnetic flux density measurement element.
2. simulation CRDM according to claim 1 moves the experimental rig of armature motion process, its feature
It is that the antifreeze plate is provided with breach, the magnetic flux density measurement element is arranged in breach.
3. simulation CRDM according to claim 1 moves the experimental rig of armature motion process, its feature
It is that the mobile armature surrounding is uniformly provided with several guide plates.
4. simulation CRDM according to claim 1 moves the experimental rig of armature motion process, its feature
It is that the upper magnet yoke is provided with magnetic pole fixed mount, the fixed magnetic pole is fixedly installed in magnetic pole fixed mount lower end.
5. simulation CRDM according to claim 1 moves the experimental rig of armature motion process, its feature
It is that the magnetic flux density measurement element on the antifreeze plate is Hall element.
6. simulation CRDM according to claim 1 moves the experimental rig of armature motion process, its feature
It is that the mobile armature motion state measurement element is Hall element.
7. simulation CRDM according to claim 1 moves the experimental rig of armature motion process, its feature
It is that the coil current measuring cell is Hall current sensor.
8. simulation CRDM according to claim 1 moves the experimental rig of armature motion process, its feature
It is that the signal of measuring in real time of the signal collecting device measurement is recorded to computer.
9. simulation CRDM according to claim 1 moves the experimental rig of armature motion process, its feature
Be, the antifreeze plate it is adjustable with the distance between mobile armature.
10. simulation CRDM according to claim 1 moves the experimental rig of armature motion process, its feature
It is to be provided with pad between the antifreeze plate and mobile armature.
11. simulation CRDMs according to any one of claim 1 to 10 move the examination of armature motion process
Experiment device, it is characterised in that the magnetic conductivity of the antifreeze plate, thickness, lift load, to lift gap adjustable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611170269.XA CN106597330A (en) | 2016-12-16 | 2016-12-16 | Test device for simulating control rod driving mechanism mobile armature motion process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611170269.XA CN106597330A (en) | 2016-12-16 | 2016-12-16 | Test device for simulating control rod driving mechanism mobile armature motion process |
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| CN106597330A true CN106597330A (en) | 2017-04-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201611170269.XA Pending CN106597330A (en) | 2016-12-16 | 2016-12-16 | Test device for simulating control rod driving mechanism mobile armature motion process |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108735310A (en) * | 2018-06-04 | 2018-11-02 | 江苏核电有限公司 | A kind of analog training device of control rod drive mechanism measurement of electric parameter |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06289112A (en) * | 1993-03-31 | 1994-10-18 | Tokin Corp | Magnetic measurement device |
| CN103500591A (en) * | 2013-09-29 | 2014-01-08 | 中广核工程有限公司 | Cold test mis-centering device for reactor control rod drive wire of nuclear power plant |
| CN103500524A (en) * | 2013-09-29 | 2014-01-08 | 中广核工程有限公司 | Cold test device and method for control rod drive line of nuclear power plant |
| CN105185505A (en) * | 2015-08-11 | 2015-12-23 | 喻杰 | Improved structure for magnetic poles and armatures applied to latch assembly |
-
2016
- 2016-12-16 CN CN201611170269.XA patent/CN106597330A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06289112A (en) * | 1993-03-31 | 1994-10-18 | Tokin Corp | Magnetic measurement device |
| CN103500591A (en) * | 2013-09-29 | 2014-01-08 | 中广核工程有限公司 | Cold test mis-centering device for reactor control rod drive wire of nuclear power plant |
| CN103500524A (en) * | 2013-09-29 | 2014-01-08 | 中广核工程有限公司 | Cold test device and method for control rod drive line of nuclear power plant |
| CN105185505A (en) * | 2015-08-11 | 2015-12-23 | 喻杰 | Improved structure for magnetic poles and armatures applied to latch assembly |
Non-Patent Citations (2)
| Title |
|---|
| 李跃忠 等: "控制棒驱动机构移动衔铁释放临界电流研究", 《核动力工程》 * |
| 段远刚 等: "基于模拟实验装置的控制棒驱动机构移动线圈临界电流研究", 《核动力工程》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108735310A (en) * | 2018-06-04 | 2018-11-02 | 江苏核电有限公司 | A kind of analog training device of control rod drive mechanism measurement of electric parameter |
| CN108735310B (en) * | 2018-06-04 | 2024-06-11 | 江苏核电有限公司 | Simulation training device for measuring electrical parameters of control rod driving mechanism |
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Application publication date: 20170426 |