CN101819285B - Detection device of nuclear and earthquake instrument system - Google Patents
Detection device of nuclear and earthquake instrument system Download PDFInfo
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- CN101819285B CN101819285B CN2010101460625A CN201010146062A CN101819285B CN 101819285 B CN101819285 B CN 101819285B CN 2010101460625 A CN2010101460625 A CN 2010101460625A CN 201010146062 A CN201010146062 A CN 201010146062A CN 101819285 B CN101819285 B CN 101819285B
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Abstract
The invention relates to a detection device of a nuclear and earthquake instrument system. The device is provided with a direct digital synthesizer (DDS) signal generating module, a digital signal processor (DSP), a single chip, an AD (Analog Digital) conversion module, a wireless temperature probe, a wireless communication module, a signal input and output interface, a liquid crystal display and a keyboard. The DDS signal generating module is connected with the AD conversion module, the single chip and the DSP. The liquid crystal display and the keyboard are connected with the single chip. The wireless temperature probe is connected with the single chip through the wireless communication module. The invention aims at providing the detection device integrating nuclear and earthquake instrument system, and has the purposes of solving the problems of single detection method, inconvenient conveyance, large space occupation, complex detection implementation, and the like of the existing detection method.
Description
Technical field
The present invention relates to a kind of detection device of nuclear and earthquake instrument system.
Technical background
Seismic instrument system of nuclear power plant reliability of operation, direct relation the safe operation of nuclear power station, therefore, need regularly system's parameters to be detected and verification.The detection of earthquake instrument system is the work that ten minutes is loaded down with trivial details; Need the multinomial important parameter of detection system; Existing detection mode all adopts single detection mode; The demarcation inspection of surface emissivity temperature and strong-motion instrument when the frequency response of separate detection system, acceleration activation threshold value, system component operation, test process need carry many checkout equipments, takies more site space; Because equipment is separate, cause the wiring dismounting complicated, power requirement is higher, the on-the-spot difficulty of using.
Summary of the invention
The present invention aims to provide the detecting device integrated of a kind of nuclear and earthquake instrument system, and it is single to be used to solve existing detection method, carries inconvenience, and it is big to take up room, and detects problems such as implementing complicacy.This device has following significant advantage:
1. with three important parameters of nuclear and earthquake instrument system: the frequency response test of the verification of seismic acceleration activation threshold value, acquisition channel and strong-motion instrument assembly are demarcated response test work and are integrated in one, and have simplified test process and testing apparatus greatly.
The system integration digital frequency synthesizer (DDS) signal generating module, can send the interchange and the direct current signal of ultra-low frequency sinusoidal signal and other requirements very flexibly, carry out threshold triggers check test and acquisition channel frequency sound test.
3. input signal can directly be gathered through digital signal processor (DSP) control AD modular converter with the output signal in real time, and the result is presented on the LCD.
4. the radiation temperature when adopting the wireless telecommunications thermal module of band sucker to measure the earthquake instrument system assembly operating, conveniently moving can be adsorbed on any surface of assembly; Because means of communication is an infrared mode, can not produce electromagnetic interference (EMI) simultaneously to equipment operation.
The present invention not only uses at nuclear power system, also can be used for the detection of other similar earthquake instrument systems.
Description of drawings
Fig. 1 is the structural representation of this device
Embodiment
As shown in Figure 1; Detection device of nuclear and earthquake instrument system is made up of DSP, single-chip microcomputer, DDS signal generator, AD converter, LCD, keyboard, temp probe, infrared communication module and IO interface, and is following to the detection mode of nuclear and earthquake instrument system parameters:
(1) seismic acceleration activation threshold value verification: the IO interface described in this device has three road differential voltage signal output channels.The acquisition module of earthquake instrument system is connected with this device respective channel; Select " activation threshold value verification " test item through keyboard; After setting threshold size and the frequency, Single-chip Controlling DDS generator output voltage signal lets signal amplitude slowly float at setting threshold; AD converter is gathered the output interface signal in real time, is sent to carry out computational analysis among the DSP.In case the incident of initiating earthquake; The alerting signal that earthquake instrument system sends is just received by this device; The magnitude of voltage that is input to the earthquake instrument system acquisition channel during triggering just goes on record, and calculates corresponding accekeration and error size through DSP, is sent to LCD output and shows.
(2) frequency response of acquisition channel test: connect this device according to activation threshold value check test mode; Through keyboard input signal amplitude, frequency and frequency sweep step-length, after the selection frequency response test function, Single-chip Controlling DDS generator output voltage signal; Voltage signal carries out frequency sweep output from 0.05Hz-33Hz automatically; And progressively increasing signal frequency by step-length, AD converter is gathered the output interface signal in real time, is sent among the DSP; DSP calculates judgement to the frequency and the amplitude of signal, and single-chip microcomputer guarantees signal accuracy according to result of calculation correction output signal; Observe the response test of CF if desired, can be through keyboard input spot frequency output mode.Frequency sweep response test process is sent to computing machine through PORT COM, and the result who writes down with nuclear and earthquake instrument system compares, and calculates the frequency response performance.
(3) the strong-motion instrument assembly is demarcated response test: the IO interface described in this device leaves strong-motion instrument cable butting interface; The strong-motion instrument signal input connector is connected on the IO interface; There is multiple nuclear and earthquake instrument system strong-motion instrument assembly in the single-chip microcomputer of this device, selects sensor model number, start and demarcate response test through keyboard; Single-chip Controlling control DDS signal generator is exported the demarcation waveform of corresponding model strong-motion instrument; The response signal that sensor returns is sent to DSP after by the AD converter collection, carries out sensor response accuracy, damping ratio and so rhythmic calculating, result of calculation is presented on the liquid crystal display.
(4) earthquake instrument system assembly operating surface emissivity temperature detection: this installs described wireless temperature detecting element and has vacuum cup, can be adsorbed on the system component surface, guarantees that simultaneously temp probe well contacts with assembly surface.Choose the surface emissivity temperature detecting function through keyboard; Temp probe is adsorbed on the testing component surface, turns on the power switch, detector unit will continue to transmit the measurement temperature through the infrared-ray communication mode this moment; Measurement result is sent to single-chip microcomputer, shows measurement result through liquid crystal display.
Claims (5)
1. detection device of nuclear and earthquake instrument system is characterized in that:
This device is provided with the DDS signal generating module, DSP, and single-chip microcomputer, the AD modular converter, the wireless temperature probe, wireless communication module, signal input output interface, LCD and keyboard, the DDS signal generating module links to each other with DSP with AD modular converter, single-chip microcomputer; LCD links to each other with single-chip microcomputer with keyboard; The wireless temperature probe links to each other with single-chip microcomputer through wireless communication module.
2. the detection device of nuclear and earthquake instrument system that requires according to right 1 is characterized in that:
Surface emissivity temperature when frequency response test, the strong-motion instrument assembly that this device is used to detect the verification of seismic acceleration activation threshold value, the acquisition channel of nuclear and earthquake instrument system and similar or similar system demarcated response test and system component operation.
3. the detection device of nuclear and earthquake instrument system that requires according to right 1 is characterized in that:
The DDS signal generating module can be exported three road differential voltage signals simultaneously, and can be to any one tunnel signal cut, the fine setting of connected sum amplitude.
4. the detection device of nuclear and earthquake instrument system that requires according to right 3 is characterized in that:
Voltage signal can carry out frequency sweep output from 0.05Hz-33Hz automatically, also output frequency can be set manually.
5. the detection device of nuclear and earthquake instrument system that requires according to right 1 is characterized in that:
Detector unit has vacuum cup, and temperature data is transmitted as the infrared radio communication mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101460625A CN101819285B (en) | 2010-04-07 | 2010-04-07 | Detection device of nuclear and earthquake instrument system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2010101460625A CN101819285B (en) | 2010-04-07 | 2010-04-07 | Detection device of nuclear and earthquake instrument system |
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| CN101819285A CN101819285A (en) | 2010-09-01 |
| CN101819285B true CN101819285B (en) | 2012-09-26 |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103033854B (en) * | 2012-12-12 | 2015-03-25 | 中国地震局地震研究所 | Analog seismic signal generator |
| CN103454698B (en) * | 2013-09-11 | 2015-12-09 | 东华理工大学 | The online fault detection system of three-dimensional resistivity acquisition system in D.C. method |
| CN104198859A (en) * | 2014-09-05 | 2014-12-10 | 国家电网公司 | Temperature rise monitoring device for electronic product |
| CN104503289A (en) * | 2014-09-10 | 2015-04-08 | 苏州市职业大学 | Sine-wave signal generation and analysis processor |
| CN104635280A (en) * | 2015-02-13 | 2015-05-20 | 浦创电子科技（苏州）有限公司 | Universal detection system and method |
| CN107784791A (en) * | 2016-08-25 | 2018-03-09 | 苏州热工研究院有限公司 | A kind of earthquake monitoring warning system and method for nuclear power plant |
| CN107479110A (en) * | 2017-09-29 | 2017-12-15 | 中国石油集团川庆钻探工程有限公司地球物理勘探公司 | A kind of earthquake wave detector test system and method |
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Application publication date: 20100901 Assignee: Wuhan earthquake Scientific Instrument Research Institute Assignor: Earthquake Inst., China Earthquake Bureau Contract record no.: 2014420000171 Denomination of invention: Detection device of nuclear and earthquake instrument system Granted publication date: 20120926 License type: Exclusive License Record date: 20140827 |
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