CN201502410U - Static debugging device of steam turbine speed control system - Google Patents
Static debugging device of steam turbine speed control system Download PDFInfo
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- CN201502410U CN201502410U CN2009202093128U CN200920209312U CN201502410U CN 201502410 U CN201502410 U CN 201502410U CN 2009202093128 U CN2009202093128 U CN 2009202093128U CN 200920209312 U CN200920209312 U CN 200920209312U CN 201502410 U CN201502410 U CN 201502410U
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Abstract
The utility model discloses a static debugging device of a steam turbine speed control system, which uses a pressure sensor and a displacement sensor to respectively collect oil pressure of an oil motor and opening signals of a steam turbine steam valve, signals which are collected by the pressure sensor and the displacement sensor are respectively input to an A/D conversion module to convert modulus and are input to an industrial control computer through a signal conversion module, the industrial control computer inputs signals which control the oil motor to a D/A conversion module to convert modulus through the signal conversion module according to debugging technology after treating the oil pressure of the oil motor and the opening signals of the steam turbine steam valve, and output signals of the D/A conversion module are connected with an electro-hydraulic converter and control the oil motor to act and adjust the steam turbine steam valve to do static debugging. The device can conveniently implement the debugging operation of a steam turbine, has high data collection precision, is not affected by human factors, saves the labor cost, increases the debugging precision and efficiency, and guarantees the debugging quality of the steam turbine.
Description
Technical field
The utility model relates to the static debugging apparatus of a kind of turbine regulating system.
Background technique
When power plant steam turbine speed control system porthole/oil engine characteristic curve is debugged, generally the method for Cai Yonging is to connect adjustable stabilized voltage supply at the scene temporarily, handle the oil engine on the steam turbine porthole after utilizing adjustable stabilized voltage supply to the electro-control converter plus signal, and then the action of control steam turbine porthole, to carry out the static state debugging of turbine regulating system; In the debug process, need correct oil pressure and the stroke of gathering oil engine, thereby obtain correct porthole/oil engine characteristic curve.
Usually the oil engine on the steam turbine porthole is provided with graduated scale, but the error of this scale own is bigger, there is cumulative error by reading, and the phenomenon that this scale mostly exists tiltedly, bends in use for some time, pointer position is fuzzy, can't accurately observe the position aperture of oil engine by scale, and oil engine position and hydraulic operation device position apart from each other, operation oil pressure personnel can't observe the scale value of oil engine, during debugging often the oil engine aperture spended time for 1-2mm seek reason; Therefore every unit debugging needs more than 5 people at least, 1 people operates oil pressure, 2 people observe oil engine scale value and record data in the left side, 2 people observe oil engine scale value and record data on the right side in addition, so the data capture precision is relatively poor, and the personal factor influence is serious, and time and effort consuming, debugging efficiency is low, has had a strong impact on the debugging operation of steam turbine.
Summary of the invention
Technical problem to be solved in the utility model provides the static debugging apparatus of a kind of turbine regulating system, utilize this device can conveniently implement steam turbine debugging operation, its data capture precision height, not influenced by personal factor, and saved labor cost, improve adjustment accuracy and efficient, guaranteed the debugging quality of steam turbine.
For solving the problems of the technologies described above, the static debugging apparatus of the utility model turbine regulating system comprises the oil engine of steam turbine porthole and high pressure adjustment doors, the described porthole of driving and high pressure adjustment doors, the electro-control converter of the described oil engine of manipulation; Also comprise pressure transducer, displacement transducer, the A/D modular converter, the D/A modular converter, signal conversion module, process control machine and power module, described pressure transducer is located on the described electro-control converter and is gathered fuel injection pressure signal, described displacement transducer is located on described steam turbine porthole and the high pressure adjustment doors and is gathered displacement signal, the signal output part of described pressure transducer and displacement transducer is connected the input end of described A/D modular converter, the output terminal of described A/D modular converter connects the input end of described signal conversion module, the output terminal of described signal conversion module connects the input end of described D/A modular converter, the output terminal of described D/A modular converter connects the signal input part of described electro-control converter, realize the signal transmitted in both directions by the RS232 interface between described signal conversion module and the process control machine, described power module provides A/D modular converter, the working power of D/A modular converter and process control machine.
For ease of signal transmission in this device, above-mentioned A/D modular converter and D/A modular converter are respectively equipped with the RS485 interface.
For ease of signal transmission in this device, above-mentioned signal conversion module is the modular converter of RS485 interface and RS232 interface.
For ease of intuitively grasping oil engine oil pressure and steam turbine porthole aperture in the debugging position in the debug process, this device also comprises pressure and displacement Displaying Meter, described pressure and displacement Displaying Meter are installed on steam turbine headstock debugging position, and the signal output part of described pressure transducer and displacement transducer is connected described pressure respectively and the displacement Displaying Meter is used to show pressure and shift value.
Because the static debugging apparatus of the utility model turbine regulating system has adopted technique scheme, be that adopts pressure sensor and displacement transducer are gathered oil engine oil pressure and steam turbine porthole aperture signal respectively, the signal of pressure transducer and displacement transducer collection is imported the A/D modular converter respectively and is made analog-to-digital conversion and import process control machine through signal conversion module, process control machine is done digital-to-analogue conversion with the signal of pilot oil motivation through signal conversion module input D/A modular converter by the testing and measuring technology requirement after with oil engine oil pressure and steam turbine porthole aperture signal processing, and the output signal of D/A modular converter connects electro-control converter and the action of pilot oil motivation and carries out static state and debug to adjust the steam turbine porthole; This device can conveniently be implemented steam turbine debugging operation, and its data capture precision height is not influenced by personal factor, and saved labor cost, has improved adjustment accuracy and efficient, has guaranteed the debugging quality of steam turbine.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and embodiments:
Fig. 1 is the theory diagram of the static debugging apparatus of the utility model turbine regulating system.
Embodiment
As shown in Figure 1, the static debugging apparatus of the utility model turbine regulating system comprises the oil engine 2 of steam turbine porthole and high pressure adjustment doors 1, the described porthole of driving and high pressure adjustment doors 1, the electro-control converter 3 of the described oil engine 2 of manipulation; Also comprise pressure transducer 5, displacement transducer 4, A/D modular converter 6, D/A modular converter 7, signal conversion module 8, process control machine 9 and power module 10, described pressure transducer 5 is located on the described electro-control converter 3 and is gathered fuel injection pressure signal, described displacement transducer 4 is located on described steam turbine porthole and the high pressure adjustment doors 1 and is gathered displacement signal, described pressure transducer 5 is connected the input end of described A/D modular converter 6 with the signal output part of displacement transducer 4, the output terminal of described A/D modular converter 6 connects the input end of described signal conversion module 8, the output terminal of described signal conversion module 8 connects the input end of described D/A modular converter 7, the output terminal of described D/A modular converter 7 connects the signal input part of described electro-control converter 3, realize the signal transmitted in both directions by the RS232 interface between described signal conversion module 8 and the process control machine 9, described power module 10 provides A/D modular converter 6, the working power of D/A modular converter 7 and process control machine 9.
For ease of signal transmission in this device, above-mentioned A/D modular converter 6 and D/A modular converter 7 are respectively equipped with the RS485 interface.
For ease of signal transmission in this device, above-mentioned signal conversion module 8 is modular converters of RS485 interface and RS232 interface.
For ease of intuitively grasping oil engine oil pressure and steam turbine porthole aperture in the debugging position in the debug process, this device also comprises pressure and displacement Displaying Meter 11, described pressure and displacement Displaying Meter 11 are installed on steam turbine headstock debugging position, and the signal output part of described pressure transducer 5 and displacement transducer 4 is connected described pressure respectively and displacement Displaying Meter 11 is used to show pressure and shift value.Described Displaying Meter 11 has the function of carrying out zero setting when the arbitrary position of displacement transducer 4 in measurable range.
In the debug process, oil engine oil pressure and steam turbine porthole aperture are through pressure transducer and displacement transducer monitoring and gather signal to the A/D modular converter, digital quantity signal was imported process control machine through signal conversion module after the A/D modular converter was made analog-to-digital conversion, process control machine is imported D/A modular converter with debug signal through signal adapter to the signal storage of gathering and processing and by the testing and measuring technology requirement, the D/A modular converter is made digital-to-analogue conversion back analog signals input electro-control converter with debug signal, electro-control converter is pressed debug signal and is driven the oil engine action, thereby adjusts the steam turbine porthole to carry out the static debugging of turbine regulating system operation.According to the debugging software of process control machine, fuel injection pressure signal, displacement signal and debugging curve etc. all can show on the process control machine display screen, also can do report printing as required simultaneously.
Claims (4)
1. the static debugging apparatus of a turbine regulating system, comprise steam turbine porthole and high pressure adjustment doors, drive the oil engine of described porthole and high pressure adjustment doors, handle the electro-control converter of described oil engine, it is characterized in that: also comprise pressure transducer, displacement transducer, the A/D modular converter, the D/A modular converter, signal conversion module, process control machine and power module, described pressure transducer is located on the described electro-control converter and is gathered fuel injection pressure signal, described displacement transducer is located on described steam turbine porthole and the high pressure adjustment doors and is gathered displacement signal, the signal output part of described pressure transducer and displacement transducer is connected the input end of described A/D modular converter, the output terminal of described A/D modular converter connects the input end of described signal conversion module, the output terminal of described signal conversion module connects the input end of described D/A modular converter, the output terminal of described D/A modular converter connects the signal input part of described electro-control converter, realize the signal transmitted in both directions by the RS232 interface between described signal conversion module and the process control machine, described power module provides A/D modular converter, the working power of D/A modular converter and process control machine.
2. the static debugging apparatus of turbine regulating system according to claim 1, it is characterized in that: described A/D modular converter and D/A modular converter are respectively equipped with the RS485 interface.
3. the static debugging apparatus of turbine regulating system according to claim 1, it is characterized in that: described signal conversion module is the modular converter of RS485 interface and RS232 interface.
4. the static debugging apparatus of turbine regulating system according to claim 1, it is characterized in that: this device also comprises pressure and displacement Displaying Meter, described pressure and displacement Displaying Meter are installed on steam turbine headstock debugging position, and the signal output part of described pressure transducer and displacement transducer is connected described pressure respectively and the displacement Displaying Meter is used to show pressure and shift value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202093128U CN201502410U (en) | 2009-09-07 | 2009-09-07 | Static debugging device of steam turbine speed control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202093128U CN201502410U (en) | 2009-09-07 | 2009-09-07 | Static debugging device of steam turbine speed control system |
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| Publication Number | Publication Date |
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| CN201502410U true CN201502410U (en) | 2010-06-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009202093128U Expired - Fee Related CN201502410U (en) | 2009-09-07 | 2009-09-07 | Static debugging device of steam turbine speed control system |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103670538A (en) * | 2013-12-10 | 2014-03-26 | 中广核工程有限公司 | Method and system for adjusting valves of half-speed turbine of nuclear power plant |
| CN103953399A (en) * | 2014-05-19 | 2014-07-30 | 国家电网公司 | Monitoring device and online monitoring method of quick closing process of steam turbine inlet valve |
| CN105865795A (en) * | 2016-05-26 | 2016-08-17 | 四川东方电气自动控制工程有限公司 | Debugging device of electro-hydraulic servo motor |
| CN106096155A (en) * | 2016-06-17 | 2016-11-09 | 华电电力科学研究院 | A kind of governing system research method of following ultra-large type Steam Turbine |
| CN106289798A (en) * | 2016-07-26 | 2017-01-04 | 华电电力科学研究院 | A kind of steam turbine governing system comprehensive tester quick calibrating method |
| CN106761965A (en) * | 2016-12-02 | 2017-05-31 | 贵州电网有限责任公司电力科学研究院 | The steam turbine load fluctuation on-line monitoring method that a kind of timing steam gate bite judges |
-
2009
- 2009-09-07 CN CN2009202093128U patent/CN201502410U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103670538A (en) * | 2013-12-10 | 2014-03-26 | 中广核工程有限公司 | Method and system for adjusting valves of half-speed turbine of nuclear power plant |
| CN103670538B (en) * | 2013-12-10 | 2016-04-20 | 中广核工程有限公司 | Nuclear power station half speed turbine valve adjustment method and system |
| CN103953399A (en) * | 2014-05-19 | 2014-07-30 | 国家电网公司 | Monitoring device and online monitoring method of quick closing process of steam turbine inlet valve |
| CN103953399B (en) * | 2014-05-19 | 2016-10-26 | 国家电网公司 | A kind of turbine admission valve quick closing valve process monitoring equipment and on-line monitoring method |
| CN105865795A (en) * | 2016-05-26 | 2016-08-17 | 四川东方电气自动控制工程有限公司 | Debugging device of electro-hydraulic servo motor |
| CN106096155A (en) * | 2016-06-17 | 2016-11-09 | 华电电力科学研究院 | A kind of governing system research method of following ultra-large type Steam Turbine |
| CN106096155B (en) * | 2016-06-17 | 2019-06-14 | 华电电力科学研究院 | A kind of speed-regulating system research method of future ultra-large type Steam Turbine |
| CN106289798A (en) * | 2016-07-26 | 2017-01-04 | 华电电力科学研究院 | A kind of steam turbine governing system comprehensive tester quick calibrating method |
| CN106289798B (en) * | 2016-07-26 | 2019-01-04 | 华电电力科学研究院 | A kind of steam turbine speed-regulating system comprehensive tester quick calibrating method |
| CN106761965A (en) * | 2016-12-02 | 2017-05-31 | 贵州电网有限责任公司电力科学研究院 | The steam turbine load fluctuation on-line monitoring method that a kind of timing steam gate bite judges |
| CN106761965B (en) * | 2016-12-02 | 2018-06-22 | 贵州电网有限责任公司电力科学研究院 | The steam turbine load fluctuation on-line monitoring method that a kind of timing steam gate bite judges |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100609 Termination date: 20140907 |
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| EXPY | Termination of patent right or utility model |