CN201688955U - Air tightness test recording and analyzing device for internal hydrogen cooled turbine generator unit - Google Patents
Air tightness test recording and analyzing device for internal hydrogen cooled turbine generator unit Download PDFInfo
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- CN201688955U CN201688955U CN2010201915749U CN201020191574U CN201688955U CN 201688955 U CN201688955 U CN 201688955U CN 2010201915749 U CN2010201915749 U CN 2010201915749U CN 201020191574 U CN201020191574 U CN 201020191574U CN 201688955 U CN201688955 U CN 201688955U
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Abstract
The utility model discloses an air tightness test recording and analyzing device for an internal hydrogen cooled turbine generator unit. An electromagnetic valve is disposed on a hydrogen pipeline of a generator unit, a pressure transmitter is connected with the electromagnetic valve, while a signal output end is connected with an input end of an analog-digital conversion module, an output end of the analog-digital conversion module is connected with a signal input end of a microprocessor module, the microprocessor module is bidirectionally connected with a storage module, and a signal output end of the microprocessor module is connected with a printing module. The device can continuously test and record pressure data of an air tightness test of a generator unit, gives out corresponding result according to the data, effectively increases precision of testing data, guarantees reliability of the air tightness test of the generator unit, and ensures normal running of the generator unit.
Description
Technical field
The utility model relates to a kind of internal hydrogen cooling Turbo-generator Set air-tight test record analysis device.
Background technology
The internal hydrogen cooling Turbo-generator Set is leaked the big or small safe operation that directly influences genset of hydrogen amount, is an important indicator of whole generating unit operation examination.How controlling the leakage hydrogen of genset to greatest extent, is the important node that improves genset installation and maintenance quality.The factor that influences genset leakage hydrogen is a lot, involves many-sides such as manufacturing, installation, debugging, operation.So before the genset commencement of commercial operation, all will implement whole air-tight test to genset.Because hydrogen is a kind of inflammable and explosive gas, hydrogen is as detected gas, if find big leak source, can cause the situation of leak source difficult treatment so, even could handle after will replacing hydrogen as intermediate medium with carbon dioxide or nitrogen, time-consuming taking a lot of work, and dangerous big.So genset is installed or maintenance is not generally filled hydrogen earlier after finishing, and detects but carry out whole air-tight test with clean pressurized air earlier, the leakage hydrogen amount according to permission is converted to air leakage then, if air leakage meets the requirements and just carries out genset and fill hydrogen.Usually this air-tight test need continue twenty four hours, testing crew need read and write down the mercury pressure count value that is installed on the genset Hydrogen Line every one hour, after obtaining partial data, carry out analysis and judgement, to determine the airtight situation or the leak source situation of genset; Obvious above-mentioned process of the test human factor is bigger, and pressure data poor continuity that reads and demonstration and read and all have certain error have a strong impact on the reliability of genset air-tight test, further have influence on the normal operation of genset.
Summary of the invention
Technical problem to be solved in the utility model provides a kind of internal hydrogen cooling Turbo-generator Set air-tight test record analysis device, but utilize this device real-time continuous to detect and write down the pressure data of genset air-tight test, and provide corresponding results according to data, effectively improved the precision that detects data, guarantee the reliability of genset air-tight test, guaranteed the normal operation of genset.
For solving the problems of the technologies described above, the utility model internal hydrogen cooling Turbo-generator Set air-tight test record analysis device comprises the solenoid valve of being located at the genset Hydrogen Line, pressure unit, analog-to-digital conversion module, microprocessor module, memory module, display module and print module, the medium input port of described pressure unit connects the delivery outlet of described solenoid valve, the signal output part of described pressure unit connects the input end of described analog-to-digital conversion module, the output terminal of described analog-to-digital conversion module connects the signal input part of described microprocessor module, described microprocessor module is connected with described memory module is two-way, and the signal output part of described microprocessor module connects described display module and print module respectively.
For further improving the precision of air-tight test, this device also comprises temperature sensor and barometric pressure sensor, described temperature sensor is located in the genset, described barometric pressure sensor is located at outside the genset, and the signal output part of described temperature sensor and pressure transducer is connected the input end of described analog-to-digital conversion module respectively.
The pressure that causes for the pipeline leakage of avoiding connecting solenoid valve changes, and above-mentioned solenoid valve adopts diaphragm cut-off type reversal valve.
Because the utility model internal hydrogen cooling Turbo-generator Set air-tight test record analysis device has adopted technique scheme, promptly on the Hydrogen Line of genset, solenoid valve is set, pressure unit connects the input end of solenoid valve and signal output part connection analog-to-digital conversion module, the output terminal of analog-to-digital conversion module connects the signal input part of microprocessor module, microprocessor module is connected with memory module is two-way, and the signal output part of microprocessor module connects print module; But this device real-time continuous detects and the pressure data of record genset air-tight test, and provide corresponding results according to data, effectively improve the precision that detects data, guaranteed the reliability of genset air-tight test, guaranteed the normal operation of genset.
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 this internal hydrogen cooling Turbo-generator Set air-tight test record analysis device.
Embodiment
As shown in Figure 1, the utility model internal hydrogen cooling Turbo-generator Set air-tight test record analysis device comprises the solenoid valve 7 of being located at genset Hydrogen Line 10, pressure unit 6, analog-to-digital conversion module 2, microprocessor module 1, memory module 3, display module 4 and print module 5, the medium input port of described pressure unit 6 connects the delivery outlet of described solenoid valve 7, the signal output part of described pressure unit 6 connects the input end of described analog-to-digital conversion module 2, the output terminal of described analog-to-digital conversion module 2 connects the signal input part of described microprocessor module 1, described microprocessor module 1 and described 3 two-way connections of memory module, the signal output part of described microprocessor module 1 connects described display module 4 and print module 5 respectively.
For further improving the precision of air-tight test, this device also comprises temperature sensor 8 and barometric pressure sensor 9, described temperature sensor 8 is located in the genset, described barometric pressure sensor 9 is located at outside the genset, and described temperature sensor 8 and the signal output part of pressure transducer 9 are connected the input end of described analog-to-digital conversion module 2 respectively.In the test with the atmospheric pressure data of temperature data in the genset and testing ground through temperature sensor 8 and barometric pressure sensor 9 is gathered and by analog-to-digital conversion module 2 analog quantity is converted to digital quantity after input microprocessor module 1, carry out the influence of data processing postevaluation built-in temperature and atmospheric pressure by microprocessor module 1, to guarantee the reliability of air-tight test to air-tight test.
The pressure that causes for the pipeline leakage of avoiding connecting solenoid valve changes, above-mentioned solenoid valve 7 adopts diaphragm cut-off type reversal valve, and on the circuit design of solenoid valve, adopt symmetry and fixed sturcture, promptly on circuit design, reduce the use of bend pipe converting interface as far as possible, solenoid valve and pressure unit are installed in the same side, carry out fixed processing in the place that must use converting interface with soldering and sealing and handle, avoid pipeline leakage to influence air-tight test.
When the genset air-tight test, after being charged to certain value, question generator group compressed air closes solenoid valve, the maintainer at first needs to carry out trial inspection to the whole leak-tight system of genset, uses halogen detector or suds to do preliminary leak detection, guarantees that whole leak-tight system do not have obvious leakage.Open solenoid valve then and be communicated with this device, pressure unit detects the pressure data of leak-tight system and in real time through analog-to-digital conversion module input microprocessor module, simultaneously temperature data and atmospheric pressure data are detected by temperature sensor and barometric pressure sensor and through the analog-to-digital conversion module input microprocessor in the genset, storage module stores has all kinds of test figures, in the process of the test, microprocessor module also exports institute's detection data storing to display module in real time in memory module and shows, after twenty four hours test, the data that microprocessor module will detect are in real time handled after print module prints the pressure history of leak-tight system and provides the result of air-tight test.Microprocessor module is realized the conversion of detected state, the functions such as setting of detected parameters simultaneously.This device has been avoided the defective of traditional employing manpower reading and recording data in twenty four hours, realize that real-time continuous detects and record automatically, effectively improve the precision that detects data, guaranteed the reliability of genset air-tight test, guaranteed the normal operation of genset.
Claims (3)
1. internal hydrogen cooling Turbo-generator Set air-tight test record analysis device, it is characterized in that: this device comprises the solenoid valve of being located at the genset Hydrogen Line, pressure unit, analog-to-digital conversion module, microprocessor module, memory module, display module and print module, the medium input port of described pressure unit connects the delivery outlet of described solenoid valve, the signal output part of described pressure unit connects the input end of described analog-to-digital conversion module, the output terminal of described analog-to-digital conversion module connects the signal input part of described microprocessor module, described microprocessor module is connected with described memory module is two-way, and the signal output part of described microprocessor module connects described display module and print module respectively.
2. internal hydrogen cooling Turbo-generator Set air-tight test record analysis device according to claim 1, it is characterized in that: this device also comprises temperature sensor and barometric pressure sensor, described temperature sensor is located in the genset, described barometric pressure sensor is located at outside the genset, and the signal output part of described temperature sensor and pressure transducer is connected the input end of described analog-to-digital conversion module respectively.
3. internal hydrogen cooling Turbo-generator Set air-tight test record analysis device according to claim 1, it is characterized in that: described solenoid valve is a diaphragm cut-off type reversal valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201915749U CN201688955U (en) | 2010-05-13 | 2010-05-13 | Air tightness test recording and analyzing device for internal hydrogen cooled turbine generator unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201915749U CN201688955U (en) | 2010-05-13 | 2010-05-13 | Air tightness test recording and analyzing device for internal hydrogen cooled turbine generator unit |
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| CN201688955U true CN201688955U (en) | 2010-12-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010201915749U Expired - Fee Related CN201688955U (en) | 2010-05-13 | 2010-05-13 | Air tightness test recording and analyzing device for internal hydrogen cooled turbine generator unit |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103091053A (en) * | 2011-11-07 | 2013-05-08 | 中国广东核电集团有限公司 | Nuclear power plant generator whole air tight test method |
| CN103940552A (en) * | 2014-05-13 | 2014-07-23 | 国家电网公司 | Hydrogen leakage detection method for large turbonator |
| CN109990987A (en) * | 2017-12-28 | 2019-07-09 | 江苏核电有限公司 | A kind of generator sealing bearing bush experimental rig and test method |
-
2010
- 2010-05-13 CN CN2010201915749U patent/CN201688955U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103091053A (en) * | 2011-11-07 | 2013-05-08 | 中国广东核电集团有限公司 | Nuclear power plant generator whole air tight test method |
| CN103091053B (en) * | 2011-11-07 | 2015-12-02 | 中国广核集团有限公司 | Nuclear power plant generator whole air tight test method |
| CN103940552A (en) * | 2014-05-13 | 2014-07-23 | 国家电网公司 | Hydrogen leakage detection method for large turbonator |
| CN109990987A (en) * | 2017-12-28 | 2019-07-09 | 江苏核电有限公司 | A kind of generator sealing bearing bush experimental rig and test method |
| CN109990987B (en) * | 2017-12-28 | 2024-04-09 | 江苏核电有限公司 | Generator sealing tile test device and test method |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101229 Termination date: 20110513 |