CN103513061B - LOCA test rotating speed analogy method and device - Google Patents
LOCA test rotating speed analogy method and device Download PDFInfo
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- CN103513061B CN103513061B CN201310464809.5A CN201310464809A CN103513061B CN 103513061 B CN103513061 B CN 103513061B CN 201310464809 A CN201310464809 A CN 201310464809A CN 103513061 B CN103513061 B CN 103513061B
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- rotating speed
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- annular seal
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- 238000012360 testing method Methods 0.000 title claims abstract description 23
- 238000000034 method Methods 0.000 title claims abstract description 6
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- 238000007789 sealing Methods 0.000 claims description 9
- 239000000696 magnetic material Substances 0.000 claims description 4
- 230000009467 reduction Effects 0.000 claims description 3
- KPLQYGBQNPPQGA-UHFFFAOYSA-N cobalt samarium Chemical compound [Co].[Sm] KPLQYGBQNPPQGA-UHFFFAOYSA-N 0.000 claims description 2
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 239000000463 material Substances 0.000 claims description 2
- 229910000938 samarium–cobalt magnet Inorganic materials 0.000 claims description 2
- 230000032258 transport Effects 0.000 claims description 2
- 230000011664 signaling Effects 0.000 abstract 2
- 230000005540 biological transmission Effects 0.000 abstract 1
- 230000000087 stabilizing effect Effects 0.000 abstract 1
- 239000000523 sample Substances 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- 238000012795 verification Methods 0.000 description 5
- 238000012544 monitoring process Methods 0.000 description 3
- 238000012797 qualification Methods 0.000 description 3
- 238000004088 simulation Methods 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
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- 230000001960 triggered effect Effects 0.000 description 2
- 241000707825 Argyrosomus regius Species 0.000 description 1
- 238000000889 atomisation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005025 nuclear technology Methods 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
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- 230000001105 regulatory effect Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
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- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
Provided is an LOCA test rotating speed analogy method. A pneumatic motor is arranged in a pressureproof sealed cavity, compressed air works in the pneumatic motor and then is exhausted to the sealed cavity, after the compressed air is cycled, the compressed air takes out part of heat through an exhaust hole and is exhausted out of the sealed cavity, so that the temperature of the motor is lowered; a transmission part is sealed through a high-temperature-resistant permanent magnet coupler which drives a driving shaft, the driving shaft is provided with a signaling needle, a sensor is arranged on a rigid support and is aligned with the signaling needle for verifying; rotating speed adjusting is achieved by the fact that a pressure reducing valve is used for stabilizing air pressure in a certain range, then rotating speed is transmitted to a pneumatic FRL, and rotating speed is controlled by adjusting a throttling valve on the pneumatic FRL. Signals detected by the sensor and signals of a rotating speed table are compared, and a rotating speed analogy experiment is achieved.
Description
Technical field:
The present invention relates to a kind of rotating speed calibration equipment.It is core level K1 level sensor qualification LOCA test speed analogue means.
Background technology:
The nuclear power station K1 core level speed probe dependence on import that China runs at present, western countries block China's nuclear technology and cause the de-confession of portioned product, for the Nuclear Electricity development of China brings potential harm, between this, size up the current situation, set up Liao Heji gauge sensor project team, develop serial core level instrument and meter, for China's clean energy resource nuclear power goes out a meagre power.This project relates to the LOCA test speed analogue means of a kind of speed probe qualification, do not have a suitable motor can bear the rugged surroundings such as LOCA furnace high-temperature, high pressure, chemical spray at present, the domestic precedent also not having associated class sensor to do LOCA test, therefore present invention employs pneumatic conceptual design rotating speed analogue means, solve many technical barriers, solve a sensors with auxiliary electrode test difficult problem.
Summary of the invention:
The object of the invention is the LOCA test unit proposing the qualification of a kind of K1 core level speed probe, namely a kind of LOCA test speed analogue means, can bear the rugged surroundings such as LOCA furnace high-temperature, high pressure, chemical spray.It is adjustable that equipment itself possesses rotating speed, high reliability feature, and in particular surroundings, non-fault is run continuously, meets LOCA testing requirements completely.Propose a kind of utility appliance, and the present invention also can extend to a whole set of motor scheme, and be applied to other industry.
Technical solution of the present invention is: LOCA test speed analogy method, by installing air motor in a withstand voltage annular seal space, pressurized air is discharged to annular seal space after doing work in air motor, taking partial heat out of by vent port after pressurized air circulation is rejected to outside annular seal space, in order to reduce the temperature of air motor; The sealing of running part adopts a high temperature resistant permanent magnet clutch, and permanent magnet clutch drives driving shaft, and drive shaft end installs a sender pin, and sensor is arranged on a rigid support and aims at sender pin through row verification; The adjustment of rotating speed be employing one reduction valve stable gas pressure in certain limit, then be transferred to pneumatic triple piece, throttle valve control rotating speed on adjustment pneumatic triple piece.The signal of the signal that sensor detects and rotating speed platform realizes rotating speed simulated experiment through row contrast.
LOCA test speed analogue means, comprises withstand voltage annular seal space, air motor, the gearing of pneumatic triple piece, sealing, driving shaft, sender pin, sensor, rigid support; Source of the gas transports to air motor by pneumatic triple piece; Air motor passes through the drive of sealing to driving shaft, and the gearing of sealing adopts a high temperature resistant permanent magnet clutch, and drive shaft end installs a sender pin, and sensor is arranged on a rigid support and aims at sender pin through row verification.
The monitoring of rotating speed adopts the gaseous pulse of the applicant to move speed measuring device and monitors.
The present invention is used for response time and the output amplitude of testing sensor.Pneumatic triple piece refers to filtration, throttling valve, oil sprayer.LOCA test speed analogue means refers to that environment is special, general device cannot be run in LOCA stove, LOCA refers to the High Temperature High Pressure after nuclear leakage accident and chemical mediator environment, rotating speed simulation is installed a sender pin realize by being arranged on drive shaft end, often revolve and turn around sender for sensor-triggered once, the signal of the signal that sensor detects and rotating speed platform realizes rotating speed simulated experiment through row contrast.
Air motor is by regulating admission pressure and flow control rotating speed, and gaseous pulse moves speed measuring device and just monitors, and device can be opened loop control, also can be designed to closed-loop control system.
The invention has the beneficial effects as follows: solve K1 core level speed probe LOCA test problem, for core level speed probe verification experimental verification is laid a good foundation, air motor is proofreaded.The present invention can bear the rugged surroundings such as LOCA furnace high-temperature, high pressure, chemical spray, associated class sensor is used to do LOCA test, present invention employs pneumatic conceptual design rotating speed analogue means, solve many technical barriers, solve a sensors with auxiliary electrode test difficult problem.
Accompanying drawing explanation
Fig. 1 is principle of the invention figure
Fig. 2 is structural drawing of the present invention
Embodiment
As shown in the figure, in Fig. 2 in LOCA test speed analogue means structural drawing, 1. sender pin 2. bearing cap 3. bearing 4. permanent magnet clutch overcoat 5. permanent magnet clutch inner core 6. Magnetic isolation overlaps 7. air motor 8. separate cavities 9. base 10. vent port 11. sensor mount 12. upper flange 13. sensor 14. driving shafts.
The specific embodiment of the present invention is as follows: LOCA test speed analogue means principle is Fig. 1, pressurized air is input to reduction valve, Stress control in range of stability, be input to pneumatic triple piece again, three linked piece, by input speed platform after air filter, flow control, lubricating oil atomization process, promotes air motor in rotating speed platform, and the gas of eliminating is at the heat of annular seal space Inner eycle isolating exterior, be connected to outside gaseous pulse and move rotation speed monitor, in order to monitor real-time rotate speed.Fig. 1 is whole system control, driving, monitoring principle figure, Fig. 2 is the structural drawing of key component checking table, the principle of simulation rotating speed is mounted in the sender pin trigger sensor of axle drive end, and often revolving turns around triggers once, and output signal and the tach signal of monitoring carry out contrast and realize rotating speed and simulate.LOCA test speed analogue means, by installing an air motor in a withstand voltage annular seal space, pressurized air is discharged to annular seal space after doing work in air motor, and circulation rear (by vent port 10) is taken partial heat out of and is rejected to outside annular seal space, in order to reduce the temperature of air motor.The sealing of running part adopts a high temperature resistant permanent magnet clutch, and permanent magnet clutch comprises inner core and overcoat, inner core and overcoat magnetic coupling, inner core and put outward and be embedded with permanent magnetic material, inner core fixes the axle of air motor, overcoat fixed drive axle 14, is provided with Magnetic isolation cover and is isolated by magnet coupler; Permanent magnetic material adopts samarium-cobalt material preparation, and drive shaft end installs a sender pin, and sensor is arranged on a rigid support and aims at sender pin through row verification.Sensor can be tongue tube or electromagnetic induction, Hall element etc.
LOCA test speed analogue means refers to the device of environment Special use, general device cannot be run in LOCA stove, LOCA refers to the High Temperature High Pressure after nuclear leakage accident and chemical mediator environment, rotating speed simulation is installed a sender pin realize by being arranged on drive shaft end, often revolve and turn around sender for sensor-triggered once, the signal of the signal that sensor detects and rotating speed platform realizes rotating speed simulated experiment through row contrast.
Enforcement of the present invention is also not used to limit the present invention.Persond having ordinary knowledge in the technical field of the present invention, without departing from the spirit and scope of the present invention, when being used for a variety of modifications and variations.Therefore, protection scope of the present invention is when being as the criterion depending on those as defined in claim.
Claims (1)
1.LOCA test speed analogy method, it is characterized in that by installing air motor in a withstand voltage annular seal space, pressurized air is discharged to annular seal space after doing work in air motor, takes partial heat out of be rejected to outside annular seal space, in order to reduce the temperature of air motor after pressurized air circulation by vent port; The running part of sealing adopts a high temperature resistant permanent magnet clutch, and permanent magnet clutch drives driving shaft, and drive shaft end installs a sender pin, and sensor is arranged on a rigid support aims at sender pin to be verified; The adjustment of rotating speed be employing one reduction valve stable gas pressure in certain limit, then be transferred to pneumatic triple piece, throttle valve control rotating speed on adjustment pneumatic triple piece; The signal of the signal that sensor detects and rotating speed platform carries out contrast and realizes rotating speed simulated experiment.
2.LOCA test speed analogue means, is characterized in that comprising withstand voltage annular seal space, air motor, pneumatic triple piece, the gearing of sealing, driving shaft, sender pin, sensor, rigid support; Source of the gas transports to air motor by pneumatic triple piece; Air motor is by the drive of sealing to driving shaft, and the gearing of sealing adopts a high temperature resistant permanent magnet clutch, and drive shaft end installs a sender pin, and sensor is arranged on a rigid support aims at sender pin to be verified; Permanent magnet clutch comprises inner core and overcoat, inner core and overcoat magnetic coupling, inner core and put outward and be embedded with permanent magnetic material, and inner core fixes the axle of air motor, overcoat fixed drive axle, and permanent magnetic material adopts samarium-cobalt material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310464809.5A CN103513061B (en) | 2013-09-30 | 2013-09-30 | LOCA test rotating speed analogy method and device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310464809.5A CN103513061B (en) | 2013-09-30 | 2013-09-30 | LOCA test rotating speed analogy method and device |
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| CN103513061A CN103513061A (en) | 2014-01-15 |
| CN103513061B true CN103513061B (en) | 2015-05-13 |
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| CN201310464809.5A Active CN103513061B (en) | 2013-09-30 | 2013-09-30 | LOCA test rotating speed analogy method and device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106018138A (en) * | 2016-07-22 | 2016-10-12 | 中国核动力研究设计院 | Insulation structure fragment characteristic identifying system and method based on jet experiment |
| CN106124795B (en) * | 2016-08-17 | 2022-07-29 | 凯迈（洛阳）气源有限公司 | Gyro wheel rotating speed testing device and blowing system thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101649833A (en) * | 2009-09-08 | 2010-02-17 | 合肥通用机械研究院 | Mechanical seal test device for nuclear main pump |
| CN102104291A (en) * | 2010-12-28 | 2011-06-22 | 杨子路 | Main pump electromagnetic flywheel of pressurized water reactor nuclear power station |
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2013
- 2013-09-30 CN CN201310464809.5A patent/CN103513061B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101649833A (en) * | 2009-09-08 | 2010-02-17 | 合肥通用机械研究院 | Mechanical seal test device for nuclear main pump |
| CN102104291A (en) * | 2010-12-28 | 2011-06-22 | 杨子路 | Main pump electromagnetic flywheel of pressurized water reactor nuclear power station |
Non-Patent Citations (1)
| Title |
|---|
| 屏蔽电泵用永磁测速装置的设计与试验验证;张志莉等;《机械管理开发》;20111031(第5期);第15-16、18页 * |
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Free format text: CORRECT: INVENTOR; FROM: SHEN GANG WU MINJUN YANG QIN TANG JUN TO: SHEN GANG FAN SUI YANG QIN SHANG XUELIAN YU LONG TANG JUN MAO CHUNBIN XIAO DAIYUN ZHANG RUIPING Free format text: CORRECT: ADDRESS; FROM: 214432 WUXI, JIANGSU PROVINCE TO: 100840 HAIDIAN, BEIJING |
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Effective date of registration: 20150128 Address after: 100840 Beijing West Third Ring Road, Haidian District, No. 117 Applicant after: China Nuclear Power Engineering Co., Ltd. Applicant after: Jiangyin Zhonghe Electric Power Apparatus Co., Ltd. Address before: 214432 West Bridge Road, Jiangsu, Wuxi, No. 8 Applicant before: Jiangyin Zhonghe Electric Power Apparatus Co., Ltd. |
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Inventor after: Shen Gang Inventor after: Zhang Ruiping Inventor after: Fan Sui Inventor after: Yang Qin Inventor after: Shang Xuelian Inventor after: Yu Long Inventor after: Dong Juncheng Inventor after: Tang Jun Inventor after: Mao Chunbin Inventor after: Xiao Daiyun Inventor before: Shen Gang Inventor before: Fan Sui Inventor before: Yang Qin Inventor before: Shang Xuelian Inventor before: Yu Long Inventor before: Tang Jun Inventor before: Mao Chunbin Inventor before: Xiao Daiyun Inventor before: Zhang Ruiping |
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Effective date of registration: 20190320 Address after: No. 117, West Sanhuan North Road, Haidian District, Beijing Co-patentee after: Jiangsu Li Li Instrument Control Technology Co., Ltd. Patentee after: China Nuclear Power Engineering Co., Ltd. Address before: No. 117, West Sanhuan North Road, Haidian District, Beijing Co-patentee before: Jiangyin Zhonghe Electric Power Apparatus Co., Ltd. Patentee before: China Nuclear Power Engineering Co., Ltd. |