CN104914144A - Hydrogen concentration on-line monitoring device used for nuclear power plants - Google Patents
Hydrogen concentration on-line monitoring device used for nuclear power plants Download PDFInfo
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- CN104914144A CN104914144A CN201510272908.2A CN201510272908A CN104914144A CN 104914144 A CN104914144 A CN 104914144A CN 201510272908 A CN201510272908 A CN 201510272908A CN 104914144 A CN104914144 A CN 104914144A
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Abstract
The invention discloses a hydrogen concentration on-line monitoring device used for nuclear power plants. The hydrogen concentration on-line monitoring device comprises hydrogen concentration sensors and pressure sensors which are arranged in a containment vessel, and data processing devices arranged outside the containment vessel; the hydrogen concentration sensors and the pressure sensors are connected with the data processing devices via cables; each hydrogen concentration sensor comprises a pressure balance membrane, an inner layer shell, a counter electrode, a working electrode, a concentrated sulfuric acid electrolyte, a hydrogen semipermeable membrane, and a signal connector; the upper end opening and the lower end opening of the inner layer shell are sealed with the pressure balance membrane and the hydrogen semipermeable membrane respectively; an electrolyte accommodating cavity is composed of the zones among the pressure balance membrane, the inner layer shell, and the hydrogen semipermeable membrane, and is filled with the concentrated sulfuric acid electrolyte; one end of the counter electrode, one end of the working electrode, and one end of the signal connector are embedded into the electrolyte accommodating cavity; and the counter electrode and the signal connector are both connected with the working electrode. The hydrogen concentration on-line monitoring device can be used for continuous monitoring of containment vessel hydrogen concentration, and is capable of realizing continuous stable operation under nuclear power plant accident conditions.
Description
Technical field
The present invention relates to flammable explosive gas concentration on-line monitoring technique field in nuclear power station, specifically a kind of used in nuclear power station density of hydrogen on-Line Monitor Device.
Background technology
At present domestic two generation PWR nuclear power plant adopt the mode sampling detection in containment when measuring concentration of hydrogen in containment vessel, which exists and can not detect the defect of concentration of hydrogen in containment vessel by real-time online.Three generations nuclear power plant requires using the density of hydrogen value of on-line monitoring as the condition controlling hydrogen igniter startup, and this will the realistic function showing density of hydrogen on-line real time monitoring.But, current hydrogen gas concentration sensor both domestic and external generally realizes based on thermal conductivity method principle of work, these sensors cannot realize on-line continuous monitoring to hydrogen in environment, are subject to the restriction of hydrogen gas concentration sensor, also do not realize the device of containment density of hydrogen on-line monitoring now.
Summary of the invention
the object of the invention is to overcome the deficiencies in the prior art, provide a kind of used in nuclear power station density of hydrogen on-Line Monitor Device, its response time is fast, measurement accuracy is high, can realize the on-line continuous monitoring of hydrogen concentration in containment, and then can meet the demand of three generations nuclear power plant.
The present invention solves the problem and is achieved through the following technical solutions: a kind of used in nuclear power station density of hydrogen on-Line Monitor Device, comprise hydrogen gas concentration sensor, pressure transducer and data processing equipment, described hydrogen gas concentration sensor and pressure transducer are all located in containment, data processing equipment is located at outside containment, and described hydrogen gas concentration sensor is all connected with data processing equipment by signal cable with pressure transducer; Described hydrogen gas concentration sensor comprise pressure equilibrium film, internal layer shell, to electrode, working electrode, concentrated sulphuric acid electrolyte, hydrogen semi-permeable diaphragm and Signal connector, the equal opening in the upper and lower two ends of described internal layer shell, described pressure equilibrium film and hydrogen semi-permeable diaphragm are individually fixed in the upper and lower two ends of internal layer shell and close the opening at the upper and lower two ends of internal layer shell, region between pressure equilibrium film, internal layer shell and hydrogen semi-permeable diaphragm three forms electrolyte cavity volume, and described concentrated sulphuric acid electrolyte is filled in electrolyte cavity volume; Described all have one end to pass internal layer shell to electrode, working electrode and Signal connector three and embed in electrolyte cavity volume, be connected by cable one end that electrode and working electrode are positioned at outside internal layer shell, one end that Signal connector is positioned at electrolyte cavity volume is connected with working electrode; The described substrate surface to electrode is coated with titanium dioxide platinum layer, and the substrate surface of working electrode is coated with platinum black layer.Connect in hydrogen gas concentration sensor of the present invention on the cable to electrode and working electrode and be serially connected with resistance or load, the current signal that hydrogen gas concentration sensor produces is exported by Signal connector.The pressure equilibrium film of hydrogen gas concentration sensor is mainly used in balancing pressure in the pressure of ambient atmosphere and electrolyte cavity volume, pressure in air and electrolyte cavity volume is consistent, eliminate pressure to the impact of measurement result, to ensure that hydrogen is mainly derived from density of hydrogen difference by the power of hydrogen semi-permeable diaphragm, hydrogen semi-permeable diaphragm Main Function is isolation electrolyte cavity volume and measurement gas, and makes the hydrogen in measurement gas enter electrolyte cavity volume through hydrogen semi-permeable diaphragm.
Based on catalytic reaction electrochemical analysis principle during hydrogen gas concentration sensor of the present invention application, the dividing potential drop of the current measurement hydrogen produced under utilizing the chemical reaction of hydrogen on the working electrode scribbling catalyzer and electrolyte effect.Measure sample gas and enter electrolytic cell through hydrogen semi-permeable diaphragm, and there is ionization reaction immediately 1. with during working electrode contact, the platinum black layer of working electrode surface is as the catalyzer making hydrogen that ionization occur.PtO is contained to electrode
2(reaction 2.), be immersed in acid concentrated sulphuric acid electrolyte electrode, this electrolyte does not seethe with excitement under 210 DEG C of hot conditions, and possesses conducting function.Concentrated sulphuric acid electrolyte provides ionic conduction path, connects two interelectrode resistance or load provides electronic conduction path.Concentrated sulphuric acid electrolyte is separated with ambient atmosphere by hydrogen semi-permeable diaphragm.After hydrogen enters electrolyte cavity volume, electrolyte cavity volume dividing potential drop is made to be zero.Therefore, the hydrogen dividing potential drop of hydrogen semi-permeable diaphragm air side is that transmission hydrogen makes it by the driving force of hydrogen semi-permeable diaphragm.Non-essential resistance or load voltage, for sensing atmospheric hydrogen dividing potential drop being converted to current signal, are directly proportional to driving force.
working electrode reaction 1.
to electrode reaction 2.
Electric current---intrinsic standoff ratio is special electrodes configuration constant and constant temperature constant, and with regard to temperature inversion, hydrogen semi-permeable diaphragm is not identical to the air penetrability of hydrogen, thus the induction current of sensor is also changed thereupon.The change of air penetrability, the change being converted into electric current afterwards raises along with temperature and increases.
Further, describedly noble metal is all adopted to be base material to electrode and working electrode.
Further, describedly platinized platinum or platinum guaze is all adopted to be base material to electrode and working electrode.
Further, described hydrogen gas concentration sensor also comprises temperature element, and described temperature element passes internal layer shell and its temperature-sensitive end contacts with concentrated sulphuric acid electrolyte.By temperature element, the temperature in electrolyte cavity volume is monitored when the present invention applies, be convenient to calibrate the density of hydrogen in electrolyte cavity volume.The signal produced because of the present invention is relevant with temperature, and set temperature calibration can meet the requirement that density of hydrogen is monitored under different temperatures.
Further, described pressure equilibrium film adopts polytetrafluoroethylene film, and described hydrogen semi-permeable diaphragm adopts PET semi-permeable diaphragm.So, pressure equilibrium film of the present invention and hydrogen semi-permeable diaphragm have sulfuric acid corrosion resistant, resistance to 220 DEG C of characteristics such as high temperature, resistance to irradiation, pressure equilibrium film, can equilibrium electrolyte cavity volume and ambient pressure when atmospheric pressure change, and hydrogen semi-permeable diaphragm possesses hydrogen molecule through function.
Further, described hydrogen gas concentration sensor also comprises outer casing, and described internal layer shell is located in outer casing.During hydrogen gas concentration sensor of the present invention application, internal layer shell provides pressure boundary for concentrated sulphuric acid electrolyte, and outer casing provides pressure boundary during calibration.
Simple operation when being connected with data processing equipment with pressure transducer to make hydrogen gas concentration sensor, further, a kind of used in nuclear power station density of hydrogen on-Line Monitor Device, also comprise and be fixed on containment sidewall and connect the inner and extraneous penetration piece of containment, described hydrogen gas concentration sensor, pressure transducer and data processing equipment are all connected with penetration piece by cable, and then realize hydrogen gas concentration sensor and be connected with data processing equipment with pressure transducer.
Further, a kind of used in nuclear power station density of hydrogen on-Line Monitor Device, also comprises the caliberating device be located in containment.Wherein, caliberating device is for calibration of the present invention during inservice inspection hydrogen concentration and inspection.
Further, described data processing equipment comprises controller, synchronous data collection module, calibration driver module, current output module and IO control module, and described synchronous data collection module, calibration driver module, current output module and IO control module are all connected with controller.
Further, described hydrogen gas concentration sensor and pressure transducer form sensor group, often organize sensor group and comprise a hydrogen gas concentration sensor and a pressure transducer; The quantity of described data processing equipment is two, and a data processing equipment is connected with two sensors group, and another data processing equipment is connected with one group of sensor group.So, the present invention has 3 hydrogen gas concentration sensors and 3 pressure transducers, and under accidental conditions, three groups of sensor group measurement results are basically identical, often organizes result and all can embody concentration of hydrogen in containment vessel.Under accident conditions, containment environment complicated condition, the reliability of the measurement of instrument can reduce, and gets the close result of two groups of results as concentration of hydrogen in containment vessel value, to improve the reliability of apparatus measures result in three groups of measurement results.
The dividing potential drop of hydrogen in air in containment can be measured by hydrogen gas concentration sensor when the present invention applies, the stagnation pressure of air in containment can be measured by pressure transducer, the simulating signal that hydrogen gas concentration sensor and pressure transducer spread out of is after data processing equipment process, continue by the display module of data processing equipment the percent concentration showing hydrogen in air in containment again, the density of hydrogen exceeding user and input limit value is reported to the police.The density of hydrogen Signal transmissions of monitoring, to master-control room, is measured the density of hydrogen value obtained and is started foundation for hydrogen igniter under major accident operating mode.
In sum, the present invention has following beneficial effect: (1) hydrogen gas concentration sensor of the present invention and pressure transducer are directly installed in nuclear power plant containment shell, the continuous on-line measurement of hydrogen partial pressure and gaseous environment general pressure in nuclear power plant containment shell can be realized by hydrogen gas concentration sensor and pressure transducer, so, in time, directly can monitor concentration of hydrogen in containment vessel change when the present invention applies, and nuclear power station normally run with basis accident operating mode under possess the ability of continous-stable work.
(2) hydrogen gas concentration sensor of the present invention is a kind of self-powered chemical devices, the current signal being divided into direct ratio with hydrogen in air can be produced, during its application, selectivity is strong, measuring error is less by background gas components influence, the impact of water vapor on measurement result can be eliminated, pre-service need not be carried out to sample gas during measurement, continuous on-line measurement can be realized.
(3) hydrogen gas concentration sensor of the present invention possesses continous-stable ability to work under the harsh conditions such as high temperature, irradiation, high concentration water's steam.
(4) the present invention can directly apply to AP1000 and CAP1400 three generations nuclear power station, also can be installed on two generation nuclear power stations, and density of hydrogen on-line monitoring in the heap cabin that also can promote the use of naval nuclear power plant, has a good application prospect.
Accompanying drawing explanation
fig. 1 is the structural representation of the present invention's specific embodiment;
Fig. 2 is the structural representation of hydrogen gas concentration sensor in the present invention's specific embodiment;
Fig. 3 is the structural representation of data processing equipment in the present invention's specific embodiment.
Name in accompanying drawing corresponding to Reference numeral is called: 1, containment, 2, hydrogen gas concentration sensor, 201, outer casing, 202, top cover labyrinth plate, 203, pressure equilibrium film, 204, internal layer shell, 205, to electrode, 206, mounting seat, 207, temperature element, 208, working electrode, 209, concentrated sulphuric acid electrolyte, 210, hydrogen semi-permeable diaphragm, 211, lower seal cover plate, 212, Signal connector, 3, pressure transducer, 4, data processing equipment, 5, penetration piece, 6, caliberating device.
Embodiment
Below in conjunction with embodiment and accompanying drawing, detailed description is further done to the present invention, but embodiments of the present invention are not limited thereto.
Embodiment 1:
As shown in Figures 1 and 2, a kind of used in nuclear power station density of hydrogen on-Line Monitor Device, comprise hydrogen gas concentration sensor 2, pressure transducer 3 and data processing equipment 4, wherein, hydrogen gas concentration sensor 2 and pressure transducer 3 are all located in containment 1, data processing equipment 4 is located at outside containment 1, and hydrogen gas concentration sensor 2 is all connected with data processing equipment 4 by signal cable with pressure transducer 3.The hydrogen gas concentration sensor 2 of the present embodiment comprise pressure equilibrium film 203, internal layer shell 204, to electrode 205, working electrode 208, concentrated sulphuric acid electrolyte 209, hydrogen semi-permeable diaphragm 210 and Signal connector 212, wherein, the material of internal layer shell 204 is teflon, the equal opening in internal layer shell about 204 two ends, pressure equilibrium film 203 is fixed on two ends on internal layer shell 204 and closes the opening of internal layer shell 204 upper end, and hydrogen semi-permeable diaphragm 210 is fixed on internal layer shell 204 times two ends and closes the opening of internal layer shell 204 lower end.Region between pressure equilibrium film 203 in the present embodiment, internal layer shell 204 and hydrogen semi-permeable diaphragm 210 three forms electrolyte cavity volume, and concentrated sulphuric acid electrolyte 209 is filled in electrolyte cavity volume.All the having one end to pass internal layer shell 204 to electrode 205, working electrode 208 and Signal connector 212 three and embed in electrolyte cavity volume of the present embodiment, one end that electrode 205 and both working electrodes 208 are positioned at outside internal layer shell 204 is connected by cable, this cable is serially connected with resistance or load, one end that Signal connector 212 is positioned at electrolyte cavity volume is connected with working electrode 208.All adopt noble metal to be base material to electrode 205 and working electrode 208 in the present embodiment, preferably adopt platinized platinum or platinum guaze to be base material, be coated with titanium dioxide platinum layer to the substrate surface of electrode 205, the substrate surface of working electrode 208 is coated with platinum black layer.Pressure equilibrium film 203 in the present embodiment adopts polytetrafluoroethylene film, and hydrogen semi-permeable diaphragm 210 adopts PET semi-permeable diaphragm.
The pressure transducer 3 of the present embodiment should meet following requirement when choosing: working temperature is 0 ~ 250 DEG C, working pressure 0 ~ 1Mpa; Explosive-proof grade: IP64, resistance to irradiation 10
6gy; Measuring accuracy 0.1%.
During the present embodiment application, in environment, hydrogen enters electrolyte cavity volume by hydrogen semi-permeable diaphragm 210, and electrolysis electrode occurs catalytic reaction generation current, and this electric current is directly proportional to the amounts of hydrogen entering electrolyte cavity volume.The present embodiment measures the dividing potential drop of hydrogen in gas to be measured by hydrogen gas concentration sensor 2, and measures gaseous environment general pressure to be measured by pressure transducer 3, so, can calculate density of hydrogen.Density of hydrogen computing formula is:
C
h2%=P
point/ P
always× 100%
Wherein, C
h2the volumetric concentration of hydrogen in % gas to be measured, P
pointthe dividing potential drop of hydrogen in gas to be measured, P
alwaysgaseous environment general pressure to be measured.
During the present embodiment application, the signal that hydrogen gas concentration sensor 2 and pressure transducer 3 detect outputs to data processing equipment 4, data processing equipment 4 is by calculating and analyzing, density of hydrogen value is converted to corresponding current value and output to main control and remote shutdown room, when density of hydrogen exceedes setting threshold value, data set 4 is reported to the police on the spot, and alerting signal is supplied to main control and remote shutdown room simultaneously.
Embodiment 2:
The present embodiment has made following restriction further on the basis of embodiment 1: the hydrogen gas concentration sensor 2 of the present embodiment also comprises temperature element 207, and temperature element 207 passes internal layer shell 204 and its temperature-sensitive end contacts with concentrated sulphuric acid electrolyte 209.
Embodiment 3:
The present embodiment have been made and have been limited further as follows on the basis of embodiment 1 or embodiment 2: the hydrogen gas concentration sensor 2 of the present embodiment also comprises top cover labyrinth plate 202 and lower seal cover plate 211, and top cover labyrinth plate 202 and lower seal cover plate 211 are circular.The internal layer shell 204 of the present embodiment is cylindric, the equal evagination in internal layer shell about 204 two ends is configured with the locating platform of annular, pressure equilibrium film 203 circumferential edge all contacts with the upper surface of internal layer shell 204 upper end locating platform and presses down fixing by top cover labyrinth plate 202, and hydrogen semi-permeable diaphragm 210 circumferential edge contacts with the lower surface of internal layer shell 204 lower end locating platform and determines by lower seal cover plate 211 presses solidly.Both, when being fixed pressure equilibrium film 203 and hydrogen semi-permeable diaphragm 210, first tiling and both circumferential edge are contacted with the locating platform of internal layer shell 204, then pressing down fixing by top cover labyrinth plate 202 and lower seal cover plate 211 by the present embodiment.In order to make pressure equilibrium film 203 and hydrogen semi-permeable diaphragm 210 fixation, the present embodiment is strengthened fixing by many through the bolt of top cover labyrinth plate 202, pressure equilibrium film 203 and internal layer shell 204 upper end locating platform and the nut be set on bolt again to pressure equilibrium film 203, and strengthens fixing by many to hydrogen semi-permeable diaphragm 210 through the bolt of lower seal cover plate 211, hydrogen semi-permeable diaphragm 210 and internal layer shell 204 lower end locating platform and the nut be set on bolt.
Embodiment 4:
The basis of the present embodiment any one embodiment in embodiment 1 ~ embodiment 3 is made following restriction further: the hydrogen gas concentration sensor 2 of the present embodiment also comprises outer casing 201, wherein, the material of outer casing 201 is copper or 316L stainless steel, and the parts of internal layer shell 204 and upper connection thereof are all located in outer casing 201.For the ease of positioning outer casing 201, the present embodiment is also provided with mounting seat 206, and outer casing 201 is fixed in mounting seat 206.
Embodiment 5:
The basis of the present embodiment any one embodiment in embodiment 1 ~ embodiment 4 is made and to have limited further as follows: the present embodiment has also comprised and is fixed on containment 1 sidewall and connects the inner penetration piece 5 with the external world of containment 1, wherein, hydrogen gas concentration sensor 2, pressure transducer 3 and data processing equipment 4 are all connected with penetration piece 5 by cable, and then realize hydrogen gas concentration sensor 2 and be connected with data processing equipment 4 with pressure transducer 3.
Embodiment 6:
Be convenient to calibration when applying to make the present embodiment and check, the basis of the present embodiment any one embodiment in embodiment 1 ~ embodiment 5 is made following restriction further: the present embodiment also comprises caliberating device 6, wherein, caliberating device 6 is located in containment 1.
Embodiment 7:
As shown in Figure 3, the basis of the present embodiment any one embodiment in embodiment 1 ~ embodiment 6 is made following restriction further: the data processing equipment 4 of the present embodiment comprises controller, synchronous data collection module, calibration driver module, current output module and IO control module, and described synchronous data collection module, calibration driver module, current output module and IO control module are all connected with controller.The data processing equipment 4 of the present embodiment has the PXI standard PC case of 8 grooves, and is equipped with a touch LCD screen and is arranged on outside cabinet.The controller of the present embodiment, synchronous data collection module, current output module and IO control module are all based on PXI bus.Controller adopts computing machine, and it comprises the multiple interfaces such as hard disk, internal memory, display driver, USB, RS232, and be integrated with operating system and monitoring of software in controller, controller is the nucleus module that whole device carries out Data acquisition and issuance process.The effect of IO control module is: when controller analyzes current hydrogen concentration higher than alarm threshold value, and corresponding I/O port provides disconnection alerting signal to master-control room and remote shutdown room simultaneously.Synchronous data collection module synchronously can carry out data acquisition to the collection signal of the collection signal of hydrogen concentration sensor 2 and pressure transducer 3, and the data of collection are as the foundation of hydrogen concentration computational analysis or calibration.
Embodiment 8:
In order to improve the reliability that the present embodiment is measured under accident conditions, the basis of the present embodiment any one embodiment in embodiment 1 ~ embodiment 7 is made following restriction further: hydrogen gas concentration sensor 2 and the pressure transducer 3 of the present embodiment form sensor group, often organize sensor group and comprise a hydrogen gas concentration sensor 2 and a pressure transducer 3.In the present embodiment, the quantity of data processing equipment 4 is two, and a data processing equipment 4 is connected with two sensors group, and another data processing equipment 4 is connected with one group of sensor group.So, the present embodiment, under accident conditions, to get in three groups of measurement results the close result of two groups of results as concentration of hydrogen in containment vessel value, to improve the reliability of apparatus measures result.So, the present embodiment comprises three Measurement channel, and the hydrogen concentration sensor 2 in the corresponding containment 1 of each Measurement channel difference and pressure transducer 3, No. six sensor are all connected with data processing equipment 4.The present embodiment is when being equipped with synchronous data collection module, and synchronous data collection module synchronously can carry out data acquisition to the collection signal of the collection signal of 3 road hydrogen concentration sensors 2 and No. 3 pressure transducers 3.
As mentioned above, the present invention can be realized preferably.
Claims (10)
1. a used in nuclear power station density of hydrogen on-Line Monitor Device, it is characterized in that, comprise hydrogen gas concentration sensor (2), pressure transducer (3) and data processing equipment (4), described hydrogen gas concentration sensor (2) and pressure transducer (3) are all located in containment (1), data processing equipment (4) is located at containment (1) outward, and described hydrogen gas concentration sensor (2) is all connected with data processing equipment (4) by signal cable with pressure transducer (3), described hydrogen gas concentration sensor (2) comprises pressure equilibrium film (203), internal layer shell (204), to electrode (205), working electrode (208), concentrated sulphuric acid electrolyte (209), hydrogen semi-permeable diaphragm (210) and Signal connector (212), described internal layer shell (204) is the equal opening in two ends up and down, described pressure equilibrium film (203) and hydrogen semi-permeable diaphragm (210) are individually fixed in the upper and lower two ends of internal layer shell (204) and close the opening at the upper and lower two ends of internal layer shell (204), pressure equilibrium film (203), region between internal layer shell (204) and hydrogen semi-permeable diaphragm (210) three forms electrolyte cavity volume, described concentrated sulphuric acid electrolyte (209) is filled in electrolyte cavity volume, described all have one end to pass internal layer shell (204) to electrode (205), working electrode (208) and Signal connector (212) three and embed in electrolyte cavity volume, be positioned at internal layer shell (204) one end outward to both electrode (205) and working electrode (208) to be connected by cable, one end that Signal connector (212) is positioned at electrolyte cavity volume is connected with working electrode (208), the described substrate surface to electrode (205) is coated with titanium dioxide platinum layer, and the substrate surface of working electrode (208) is coated with platinum black layer.
2. a kind of used in nuclear power station density of hydrogen on-Line Monitor Device according to claim 1, is characterized in that, describedly all adopts noble metal to be base material to electrode (205) and working electrode (208).
3. a kind of used in nuclear power station density of hydrogen on-Line Monitor Device according to claim 2, is characterized in that, describedly all adopts platinized platinum or platinum guaze to be base material to electrode (205) and working electrode (208).
4. a kind of used in nuclear power station density of hydrogen on-Line Monitor Device according to claim 1, it is characterized in that, described hydrogen gas concentration sensor (2) also comprises temperature element (207), described temperature element (207) through internal layer shell (204) and its temperature-sensitive end contact with concentrated sulphuric acid electrolyte (209).
5. a kind of used in nuclear power station density of hydrogen on-Line Monitor Device according to claim 1, is characterized in that, described pressure equilibrium film (103) adopts polytetrafluoroethylene film, and described hydrogen semi-permeable diaphragm (110) adopts PET semi-permeable diaphragm.
6. a kind of used in nuclear power station density of hydrogen on-Line Monitor Device according to claim 1, it is characterized in that, described hydrogen gas concentration sensor (2) also comprises outer casing (201), and described internal layer shell (204) is located in outer casing (201).
7. a kind of used in nuclear power station density of hydrogen on-Line Monitor Device according to claim 1, it is characterized in that, also comprise and be fixed on containment (1) sidewall and connect the inner and extraneous penetration piece (5) of containment (1), described hydrogen gas concentration sensor (2), pressure transducer (3) and data processing equipment (4) are all connected with penetration piece (5) by cable, and then realize hydrogen gas concentration sensor (2) and be connected with data processing equipment (4) with pressure transducer (3).
8. a kind of used in nuclear power station density of hydrogen on-Line Monitor Device according to claim 1, is characterized in that, also comprises the caliberating device (6) be located in containment (1).
9. a kind of used in nuclear power station density of hydrogen on-Line Monitor Device according to claim 1, it is characterized in that, described data processing equipment (4) comprises controller, synchronous data collection module, calibration driver module, current output module and IO control module, and described synchronous data collection module, calibration driver module, current output module and IO control module are all connected with controller.
10. according to a kind of used in nuclear power station density of hydrogen on-Line Monitor Device in claim 1 ~ 9 described in any one, it is characterized in that, described hydrogen gas concentration sensor (2) and pressure transducer (3) form sensor group, often organize sensor group and comprise a hydrogen gas concentration sensor (2) and a pressure transducer (3); The quantity of described data processing equipment (4) is two, and a data processing equipment (4) is connected with two sensors group, and another data processing equipment (4) is connected with one group of sensor group.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107421765A (en) * | 2017-09-21 | 2017-12-01 | 南京分析仪器厂有限公司 | The porcelain beads of CQ 1 disappear hydrogen performance test operating procedure and its use device |
| CN108333235A (en) * | 2018-04-24 | 2018-07-27 | 郑州迪邦科技有限公司 | Gas analyzer shell and the gas analyzer for using the shell |
| CN111398376A (en) * | 2020-05-07 | 2020-07-10 | 中国核动力研究设计院 | High-voltage-resistant three-electrode electrochemical sensor |
| CN113155918A (en) * | 2021-04-26 | 2021-07-23 | 中国核动力研究设计院 | Constant potential driving type hydrogen concentration sensor transmitting circuit |
| CN113670656A (en) * | 2021-08-27 | 2021-11-19 | 中建华宸(海南)建设集团有限公司 | Visual exploration sampling equipment in deep sea |
| CN114965870A (en) * | 2021-02-18 | 2022-08-30 | 英飞凌科技股份有限公司 | Gas sensor having a cavity and a gas channel structure with a selectively permeable element |
| CN117030531A (en) * | 2023-08-14 | 2023-11-10 | 中国矿业大学 | Underground lining type cave hydrogen storage warehouse bedding gas concentration monitoring system |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020010090A1 (en) * | 1999-11-16 | 2002-01-24 | Yoshio Ono | Oxidizing catalysts, carbon monoxide sensor, and hydrogen sensor |
| US20100227120A1 (en) * | 2009-02-06 | 2010-09-09 | California Institute Of Technology | Composite nanostructure solid acid fuel cell electrodes via electrospray deposition |
| US20150021203A1 (en) * | 2012-06-25 | 2015-01-22 | Steris Corporation | Amperometric gas sensor |
| CN104483365A (en) * | 2014-12-17 | 2015-04-01 | 江西师范大学 | Electrochemical gas sensing device adopting precious metal and graphene composite material as sensing electrode and production method of electrochemical gas sensing device |
| CN104515795A (en) * | 2013-09-26 | 2015-04-15 | 霍尼韦尔国际公司 | Gas sensor using an ionic liquid electrolyte |
| CN204594925U (en) * | 2015-05-26 | 2015-08-26 | 中国核动力研究设计院 | A kind of used in nuclear power station density of hydrogen on-Line Monitor Device |
-
2015
- 2015-05-26 CN CN201510272908.2A patent/CN104914144B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020010090A1 (en) * | 1999-11-16 | 2002-01-24 | Yoshio Ono | Oxidizing catalysts, carbon monoxide sensor, and hydrogen sensor |
| US20100227120A1 (en) * | 2009-02-06 | 2010-09-09 | California Institute Of Technology | Composite nanostructure solid acid fuel cell electrodes via electrospray deposition |
| US20150021203A1 (en) * | 2012-06-25 | 2015-01-22 | Steris Corporation | Amperometric gas sensor |
| CN104515795A (en) * | 2013-09-26 | 2015-04-15 | 霍尼韦尔国际公司 | Gas sensor using an ionic liquid electrolyte |
| CN104483365A (en) * | 2014-12-17 | 2015-04-01 | 江西师范大学 | Electrochemical gas sensing device adopting precious metal and graphene composite material as sensing electrode and production method of electrochemical gas sensing device |
| CN204594925U (en) * | 2015-05-26 | 2015-08-26 | 中国核动力研究设计院 | A kind of used in nuclear power station density of hydrogen on-Line Monitor Device |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107421765A (en) * | 2017-09-21 | 2017-12-01 | 南京分析仪器厂有限公司 | The porcelain beads of CQ 1 disappear hydrogen performance test operating procedure and its use device |
| CN107421765B (en) * | 2017-09-21 | 2024-03-15 | 南京分析仪器厂有限公司 | CQ-1 porcelain bead hydrogen elimination performance test operation process and using device thereof |
| CN108333235A (en) * | 2018-04-24 | 2018-07-27 | 郑州迪邦科技有限公司 | Gas analyzer shell and the gas analyzer for using the shell |
| CN111398376A (en) * | 2020-05-07 | 2020-07-10 | 中国核动力研究设计院 | High-voltage-resistant three-electrode electrochemical sensor |
| CN114965870A (en) * | 2021-02-18 | 2022-08-30 | 英飞凌科技股份有限公司 | Gas sensor having a cavity and a gas channel structure with a selectively permeable element |
| CN113155918A (en) * | 2021-04-26 | 2021-07-23 | 中国核动力研究设计院 | Constant potential driving type hydrogen concentration sensor transmitting circuit |
| CN113670656A (en) * | 2021-08-27 | 2021-11-19 | 中建华宸(海南)建设集团有限公司 | Visual exploration sampling equipment in deep sea |
| CN117030531A (en) * | 2023-08-14 | 2023-11-10 | 中国矿业大学 | Underground lining type cave hydrogen storage warehouse bedding gas concentration monitoring system |
| CN117030531B (en) * | 2023-08-14 | 2024-04-16 | 中国矿业大学 | Underground lining type cave hydrogen storage warehouse bedding gas concentration monitoring system |
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