CN2401891Y - Cooking fume, smoke dust sampler - Google Patents
Cooking fume, smoke dust sampler Download PDFInfo
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- CN2401891Y CN2401891Y CN 99247966 CN99247966U CN2401891Y CN 2401891 Y CN2401891 Y CN 2401891Y CN 99247966 CN99247966 CN 99247966 CN 99247966 U CN99247966 U CN 99247966U CN 2401891 Y CN2401891 Y CN 2401891Y
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- oil smoke
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- optocoupler
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Abstract
The utility model discloses a sampling apparatus for oil fume and smoke dust. The utility model comprises an oil fume collecting head, a pitot, a thermocouple and a host box, wherein, the host box comprises a host, a sucking pump, a motor, a dynamic pressure sensor, a static pressure sensor, a gauging pressure sensor, a flow pressure sensing device and an atmospheric pressure sensor, and the host mainly comprises a power panel, a main control panel and a collection panel. Due to the adoption of various sensors and the host box, the sampling apparatus can realize real-time isodromic collection for the oil fume or the smoke dust, and a purpose of exactly measuring the concentration of the oil fume or oil dust can be achieved.
Description
The utility model relates to a kind of oil smoke, smoke dust sampling instrument.
In recent years, along with the fast development of every profession and trade, the atmospheric pollution especially fume pollution source of the catering trade and food processing industry discharging and the smoke contamination of industrial burner discharging has become very important in a municipal pollution aspect.And environmental administration also has only oil smoke (flue dust) sampling instrument at present, place the pollution source place can collect oil smoke (flue dust) sampling instrument, the oil smoke (flue dust) that collects being taken the laboratory goes to analyze again, can obtain the various compositions of oil smoke (flue dust), and content etc. and be CN-2247295Y for notification number, application number is 95244935.8, name is called the Chinese patent utility model instructions of " Cooking-fume collector ", a kind of Cooking-fume collector that is used for kitchen handling oil flue gas is disclosed, it comprises the casing of an oily dirt free, the first half of this casing is cylindrical, the Lower Half of this casing is tapered, its end is provided with the outlet of a discharging waste liquid, in casing, be provided with a cage oil smoke carbonizing apparatus, be provided with row's wireway in casing central authorities, its end is connected with inhales the flavor device, on the upside ancient piece of jade, round, flat and with a hole in its centre of this casing, also be provided with the connecting pipe on a band inclined-plane, be connected with suspended hood on the kitchen range, also have one from blower fan at the top of this casing by connecting pipe.This apparatus structure is simple, and smoke abatement is effective, but the oil smoke that this Cooking-fume collector and environmental administration use (flue dust) sampling instrument all can not carry out real-time constant speed collection to the oil smoke in the industry (flue dust), reaches the purpose of the concentration that accurately records oil smoke and flue dust.
The purpose of this utility model provides the instrument of the concentration of emission of a kind of automatic test oil smoke or flue dust, and this intelligent equipment degree height has automatic sampling, the function of automatic data processing, and the measuring accuracy height, man-machine interface close friend, test is simple, volume is little, and is in light weight, and is easy to carry.
In order to address the above problem, solution of the present utility model is: except that using oil smoke or flue dust collection head to collect oil smoke or the flue dust, it also comprises pitot tube, thermopair and mainframe box, the heat sensor ends that is used to measure the thermopair of delivery temperature places in the oil smoke collection head, and the signal output part of thermopair and power supply side are connected to thermopair amplifying circuit signal input part and power output end on the collection plate respectively.Over against the air-flow side with back to the air-flow side pitot tube is arranged at oil smoke collection head and thermopair, pitot tube links to each other with static pressure transducer with being connected to respectively in the mainframe box and with dynamic pressure back to the air-flow side over against the air-flow side, mainframe box comprises main frame, aspiration pump, motor, dynamic pressure transducer, static pressure transducer, the meter pressure sensor, flow is pressed sensing device and atmosphere pressure sensor, main frame comprises power panel, master control borad and collection plate, the signal output part of each sensor in the mainframe box is connected to the signal input part of amplifier on the collection plate respectively, traffic pilot and analog to digital conversion switch are connected to master control borad on collection plate again, the input end of power panel links to each other with the control line output terminal of master control borad, be used to control rotating speed of motor, the admittance tracheae of oil smoke collection head is connected to fall into a trap pressure sensor and flow of mainframe box and presses sensing device to link to each other with the air admission hole of aspiration pump through wireway, air-flow is discharged from the slit of pump, and motor links to each other with pump by gearing.
When the test flue dust, replace the oil smoke collector with the flue dust collection head, gather flue dust.
Owing to adopted various sensors and mainframe box, make this sampling instrument can realize real-time constant speed collection oil smoke or flue dust, reach the purpose of the concentration that accurately records oil smoke or flue dust. owing to select automated collection systems for use, this installs intelligent degree height, and it can be handled and export the data that collect automatically, and is simple to operate, man-machine interface close friend. because this oil smoke (flue dust) sampling instrument adopts the each several part effective integration to together mode, volume is little, and is in light weight, easy to carry.In addition, owing to can arbitrarily change oil smoke collection head or flue dust collection head as required, so dual-use, escapable cost.
Below in conjunction with drawings and Examples the utility model is described in further detail.
Fig. 1 is the structure diagram of oil smoke sampling rifle in the utility model specific embodiment.
Fig. 2 is the structure diagram of smoke dust sampling gun in the utility model specific embodiment.
Fig. 3 is the structure diagram of mainframe box in the utility model specific embodiment.
Fig. 4 is the main frame shown in Figure 2 and the hardware structure diagram of peripheral circuit thereof.
Fig. 5 is for scheming for realizing that software module of the present utility model is divided.
Fig. 6 is the concrete application circuit of collection plate shown in Figure 3.
Fig. 7 is the concrete application circuit of power panel shown in Figure 3.
Fig. 8 is master control borad and the concrete application circuit of peripheral circuit thereof shown in Figure 3.
Fig. 9 is the wet-and-dry bulb thermometer structure diagram that is used to measure moisture content.
Figure 10 is for being the water capacity system connection layout of second kind of specific embodiment of the utility model oil smoke (flue dust) collector.
The parallel sampling system connection layout of first kind of specific embodiment of Figure 11 the utility model oil smoke (flue dust) collector.
Figure 12 is various pressure sensor signal amplification circuit diagrams among Fig. 6.
Figure 13 is thermocouple sensor signal amplification circuit figure among Fig. 6.
Figure 14 is the circuit diagram of optocoupler among Fig. 8.
This oil smoke (flue dust) sampling instrument includes a sampling rifle 1 and a mainframe box 2.Be the structural drawing of the sampling rifle 1 of the utility model specific embodiment as depicted in figs. 1 and 2, the sampling rifle is made up of oil smoke or flue dust collection head 11, pitot tube 12, thermopair 13 and peripheral frame 14 4 parts.Wherein oil smoke or flue dust collection head comprise sampling mouth 11A, filter cylinder 11B, wireway 11C and screening can 11D four parts again.The sampling mouth is a smoke inlet, and sampling mouth and filter cylinder join, and filter cylinder is simulated actual chimney, is used for the adsorption sampling thing, and filter cylinder links to each other with wireway through bindiny mechanism, and wireway can be high temperature resistant.Periphery at filter cylinder is surrounded by screening can, and it plays shielding and support effect.According to different oil smoke collection head and the flue dust collection heads of adopting of acquisition target.Over against the first side of collection with back to the collection head side pitot tube 12 is being arranged respectively, pitot tube 12 is used for providing the measurement gas circuit for the dynamic and static pressure sensor.Specific embodiment shown in Figure 10 or 11, this pitot tube is received " pitot tube+" blowhole 216 of host panel and " pitot tube-" venthole 217 of host panel by wireway." pitot tube+" blowhole 216 ends are connected to " pitot tube-" venthole 217 through static pressure transducer and dynamic pressure transducer, when gathering flue gas, the rifle of will sampling inserts in the tested oil smoke fume ducts, gather mouth over against flue gas stream, flue gas is from entering pitot tube 12 over against the pitot tube 12A porch of gathering mouth one side, " pitot tube+" 216 blowholes that flow into host panel measure the exhaust static pressure through static pressure transducer, measure exhaust dynamic pressure value through dynamic pressure transducer again, the back flows into pitot tube 12 from host panel " pitot tube-" venthole 217, and from discharging back to collection head side pitot tube 12B.The signal output part of thermopair 13 is connected on host panel " thermopair " socket 219.The signal output part A1 and the power supply side B1 that are used to measure the thermopair 13 of delivery temperature are connected to thermopair amplifying circuit 213B signal input part C1 and power output end D1 on the collection plate 213 respectively.
At the utility model, concrete principles illustrated is as follows.On an xsect of chimney, on average choose difference as test point, the identical time of every point sampling, adopt the parallel method of sampling of pitot tube, constant speed is gathered out the gas flow rate that contains oil smoke and flue dust in the chimney in real time, reaches the purpose that accurately records oil smoke and dust concentration.The measuring point gas velocity is calculated formula: Vs=0.744*Kp*SQRT[273+TsPd/Ba+Ps]
Wherein: Vs one measuring point gas flow velocity, m/s;
Ba one atmospheric pressure, unit: kPa;
Kp one skin hauling pipe correction factor;
Pd one exhaust dynamic pressure, unit: Pa;
Ps one exhaust static pressure, unit: KPa;
Ts one delivery temperature, unit: ℃.
SQRT represents extraction of square root.
By means of the skin hauling pipe, barometric pressure sensor, dynamic pressure, static pressure transducer, thermopairs etc. can record above Several Parameters automatically, and calculate gas flow rate automatically through main frame.Know flow velocity, isokinetic sampling's flow can obtain by following formula:
Qd＝0.0025*d*d*VsBa+Ps/273+Ts*SQRT[273+Tr/Ba+Pr]*1-Xsw
Xsw＝100*[Pbv-0.00067*Tc-Tb*Ba+Pr]/Ba+Ps
Wherein: Qd one extraction flow, unit: L/min;
The outspoken footpath of d one sampling, unit: mm;
Vs one measuring point gas flow rate, unit: m/s;
Ps one exhaust static pressure, unit: kPa;
Pressure before Pr one flowmeter, unit: KPa;
Ts one delivery temperature, unit: ℃;
Gas temperature before Tr one flowmeter, unit: ℃;
Water content in Xsw one exhaust, unit: % number percent
Saturation vapor pressure was according to the Tb value, by checking in unit in the saturation of the air water vapour pressure table: kPa when Pbv one temperature was Tb;
Tb one wet-bulb temperature, unit: ℃;
Tc one dry-bulb temperature, unit: ℃;
Ba one atmospheric pressure, unit: kPa.
Above parameter can record in real time automatically by sensor.Motor and pump are used for extracting the air-flow that contains oil smoke and flue dust in the chimney, and the gas real-time traffic computing formula of extraction is:
Qsn=3600*Vs*F[273/273 ten Ts] * [Ba+Ps/101.325] * l-Xsw
Wherein: dried extraction flow under Qsn one standard state, unit: m/s;
F one measures cross-sectional area, unit: m
2
Vs one measures the exhaust flow velocity of section, unit: m/s;
Ba one atmospheric pressure, unit: kPa;
Ps one exhaust static pressure, unit: kPa;
Ts one delivery temperature, unit: ℃;
Moisture in Xsw one exhaust, unit: number percent %.
Above parameter records in real time by sensor, the real-time traffic of the sample that can obtain extracting out after the data process host process of measuring.If Qsn and Qd numerical value do not wait, main frame can be adjusted the rotating speed of motor that drives pump automatically, makes Qsn and Qd keep equating, guarantees that the gas flow rate in the chimney is identical with the gas flow rate in the sampling rifle, thereby reaches real-time isokinetic sampling's purpose.In real-time constant speed gatherer process, air-flow flue dust or oil smoke when gathering oil smoke collection head in the rifle or flue dust collection head will be adsorbed on these and gather on the filter cylinder in rifles.Because oil smoke and flue dust are in the difference of essence, acquisition target is not changed different collectors simultaneously, and simultaneously last disposal route is also different.When acquisition target is oil smoke, the oil smoke filter cylinder that samples is placed polytetrafluoroethylene sleeve with cover, carry out ultrasonic cleaning with carbon tetrafluoride as solvent behind time laboratory, move into constant volume in the color comparison tube, with infrared spectrophotometric determination oil smoke content.When acquisition target is flue dust, the filter cylinder that collects flue dust was put into 105 ℃ of baking ovens roasting 1 hour, take out and place exsiccator, be cooled to room temperature, to constant weight, filter cylinder is poor before and after the sampling, is the particle amount of taking with the weighing of sensibility reciprocal 0.1mg balance.
Be illustrated in figure 4 as the hardware structure diagram of present embodiment main frame, the measurement of the parameter Ts among the figure, Pr, Ps, Pd, Pqr, Ba, Tr, Tb and Tc is to obtain by means of various types of sensors.Physical circuit figure sees Fig. 6 to 8.During specific implementation, we adopt three circuit boards to realize: one is power panel, and one is master control borad, and one is collection plate, three plates separately are connected to each other by signal wire, can reduce interference like this, be beneficial to heat radiation, strengthen the reliability of complete machine, be convenient to assembling and maintenance simultaneously.Be illustrated in figure 6 as the acquisition circuit board structural drawing.The signal that each sensor records is exported after amplifier 231 amplifications, eight road switches 232 and analog to digital converter 233 convert digital signal to.Wherein, be respectively pressure transducer (comprising meter pressure, static pressure, atmospheric pressure, dynamic pressure, flow pressure etc.) amplification circuit diagram and thermocouple signal amplification circuit diagram as Figure 12 and shown in Figure 13.Positive signal A that pressure transducer records and negative signal B are input to the positive input terminal C and the negative input end D of amplifier respectively through resistance R 1, R2, output after amplifying.The pyroelectric signal C1 that thermopair records relatively amplifies and exports in the back through the positive input terminal of the negative input end 214 of resistance R 3 input amplifiers and amplifier.The interface J1 of collection plate is connected to the interface J2 of control panel.Be illustrated in figure 7 as the circuit diagram of power panel.The pulse signal E that is sent by control panel is input to the input end E0 of power panel, through amplifying the rotation of optocoupler spare coupling output back control motor.Be illustrated in figure 8 as the control panel circuit structure diagram, the transmission signals of collection plate and control panel interconnects through the optocoupler coupling, and this optocoupler can reduce the interference between the control panel, strengthens the unfailing performance of main frame.As Fig. 8 and shown in Figure 14, master control borad 212 output signals are connected to the signal input part I of optocoupler 29, signal is after optocoupler 29 electric light and opto-electronic conversion, signal output part O by optocoupler is connected to the signal input part of described collection plate or the signal input part that described collection plate 213 output signals are connected to optocoupler 29, signal is connected to the signal input part of master control borad by the signal output part O of optocoupler after optocoupler 29 electric light and opto-electronic conversion.Control panel mainly is made up of optocoupler 29, impact damper U4, gauge tap 32, processor U1, latch U2, memory under program U3, LCD (30), hummer BP and mini-printer 31.Wherein gauge tap 32 is used for the control that writes of sensor signal.Peripheral hardware LCD (30), hummer BP and mini-printer 31 by interface respectively with master control borad on interface J1, J5 link to each other with J6.U5 is for being digital thermometer among Fig. 8, and U6 is a latch.Be illustrated in figure 9 as wet-and-dry bulb thermometer 5, wet-and-dry bulb thermometer is used for measuring the water capacity of flue gas in the chimney.The defeated line 53 of temperature data information links to each other with water capacity interface J3 and the preceding temperature interface J4 of meter on the master control borad.
On realizing, software takes the modularized program method for designing, the reliability height, and the menu mode operation is adopted at the interface, is convenient to operator's operation.Software module is divided and is seen Fig. 5.The whole operation process is carried out under the control of main frame, has menu to show on the display screen of main frame, can finish the whole operation process according to menu prompt.
Embodiment of the present utility model can illustrate with Figure 10 and Figure 11.
Figure 10 receives main frame for water capacity measuring system connection diagram.The dry bulb end 51 of wet-and-dry bulb thermometer meets oil smoke collection head 11 or the flue dust collection head 11A of sampling in the rifle, and wet bulb end 52 is received the inlet end of dioxygen water bottle, and the signal wire 53 of wet-and-dry bulb thermometer is received on " water capacity " socket 219 on the host panel.Open host power supply after connecting by figure, " function selecting menu " can appear in the main frame screen, enters to survey to close wet quantum menu, the picture that closes wet amount can appear surveying in screen, after setting flow, press " RUN ", instrument can be measured each parameter automatically and calculate water capacity automatically.
Figure 11 is parallel sampling system connection diagram.Its method of attachment and figure four is identical substantially, and main difference is: removed wet-and-dry bulb thermometer, the inlet end of dioxygen water bottle 3 is directly received oil smoke or flue dust collection head 11 or 11A end in the sampling rifle by wireway; " connecing exsiccator " end on the host panel is received in the drying bottle outlet side.After connecting host power supply, menu prompt appears in screen, selects " measuring point distribution " submenu in " function selecting " menu, imports the value of tested flue diameter and wall thickness, and main frame is calculated the position of measuring point automatically.Withdraw from submenu, get back to master menu, select " predicted velocity " submenu.Predicted velocity is distributed in each measuring point test 15 seconds according to measuring point, and sampled point is changed in the hummer prompting.When predicted velocity finishes, mean value, smoke discharge amount and the outspoken footpath of employed sampling of automatic calculating sampling parameter.Withdraw from submenu, select " tracking sampling " submenu in the master menu, set every time when adopting, press " RUN ", main frame can be pressed the time-sampling of every some setting automatically.After having sampled, sampled data will be stored.If want to print, select " data printing " in the master menu, printer 31 will print the detailed data that collects.If think data query, select " data query " submenu in the master menu, one group of data that collect will appear in screen, another group data can occur by " page turning " screen.
Claims (8)
1, a kind of oil smoke, the smoke dust sampling instrument, comprise an oil smoke collection head (11) or flue dust collection head (11A), it is characterized in that: further comprising pitot tube (12), thermopair (13), mainframe box and wet-and-dry bulb thermometer (5), being used to measure the signal output part (A1) of thermopair (13) of delivery temperature and power supply side (B1) is connected to collection plate (213) respectively and goes up thermopair amplifying circuit (213B) signal input part (C1) and power output end (D1). over against air-flow side (12A) with back to air-flow side (12B) pitot tube (12) is arranged at oil smoke collection head and thermopair, pitot tube (12) over against air-flow side (12A) be connected in the mainframe box (2) back to air-flow side (12B) respectively and link to each other with static pressure transducer (25) with dynamic pressure (24), mainframe box (2) comprises main frame (21), aspiration pump (22), motor (23), dynamic pressure transducer (24), static pressure transducer (25), meter pressure sensor (26), flow is pressed sensing device (27) and atmosphere pressure sensor (28), main frame (21) comprises power panel (211), master control borad (212) and collection plate (213), the signal output part of each sensor in the mainframe box (2) (A and B) is connected to the signal input part (C and D) of amplifier on the collection plate (231) respectively respectively through resistance (R1 and R2), be connected to master control borad (212) through last traffic pilot (232) of collection plate (213) and analog to digital conversion switch (233) again, the input end (E0) of power panel (211) links to each other with the control line output terminal (E) of master control borad, be used to control the rotating speed of motor (23), the wireway of oil smoke collection head (111) is connected to fall into a trap pressure sensor (26) and flow of mainframe box (2) and presses sensing device (27), link to each other through the air admission hole of wireway (111) again with aspiration pump (22), air-flow is discharged from the slit of pump, motor (23) links to each other with pump (22) by gearing, the dry bulb end (51) of wet-and-dry bulb thermometer (5) joins by wireway and oil smoke collection head or flue dust collection head, the flow that wet bulb end (52) is connected to main frame through wireway is pressed the inlet end of sensing device (27), and the temperature data transmission line (53) of wet-and-dry bulb thermometer links to each other with the middle I/O mouth of master control borad (212).
2, oil smoke as claimed in claim 1 or 2, smoke dust sampling instrument, it is characterized in that: further comprising dioxygen water bottle (3) and drying bottle (4), oil smoke collection head (11A) or flue dust collection head (11) end links to each other with the inlet end of dioxygen water bottle (3) by wireway (111), and the outlet side of dioxygen water bottle is through wireway (111) and the inlet end that is connected to flow pressure sensing device (27) after drying bottle (4) links to each other.
3, oil smoke as claimed in claim 1 or 2, the smoke dust sampling instrument, it is characterized in that: described master control borad (212) output signal is connected to the signal input part (I) of optocoupler (29), signal is after optocoupler (29) electric light and opto-electronic conversion, signal output part (O) by optocoupler is connected to the signal input part of described collection plate or the signal input part (I) that described collection plate (213) output signal is connected to optocoupler (29), signal is connected to the signal input part of master control borad by the signal output part (O) of optocoupler after optocoupler (29) electric light and opto-electronic conversion.
4, oil smoke as claimed in claim 3, the smoke dust sampling instrument, it is characterized in that: described master control borad (212) output signal is connected to the signal input part (I) of optocoupler (29), signal is after optocoupler (29) electric light and opto-electronic conversion, signal output part (O) by optocoupler is connected to the signal input part of described collection plate or the signal input part (I) that described collection plate (213) output signal is connected to optocoupler (29), signal is connected to the signal input part of master control borad by the signal output part (O) of optocoupler after optocoupler (29) electric light and opto-electronic conversion.
5, oil smoke as claimed in claim 1 or 2, smoke dust sampling instrument, it is characterized in that: described oil smoke, smoke dust sampling instrument also comprise display (30), printer (31) and gauge tap (32), display (30) links to each other with master control borad (212) respectively with printer (31), and gauge tap (32) is connected to power output end.
6, oil smoke as claimed in claim 3, smoke dust sampling instrument, it is characterized in that: described oil smoke, smoke dust sampling instrument also comprise display (30), printer (31) and gauge tap (32), display (30) links to each other with master control borad (212) respectively with printer (31), and gauge tap (32) is connected to power output end.
7, oil smoke as claimed in claim 1 or 2, smoke dust sampling instrument, it is characterized in that: described oil smoke, smoke dust sampling instrument also comprise display (30), printer (31) and gauge tap (32), display (30) links to each other with master control borad (212) respectively with printer (31), and gauge tap (32) is connected to power output end.
8, oil smoke as claimed in claim 3, smoke dust sampling instrument, it is characterized in that: described oil smoke, smoke dust sampling instrument also comprise display (30), printer (31) and gauge tap (32), display (30) links to each other with master control borad (212) respectively with printer (31), and gauge tap (32) is connected to power output end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99247966 CN2401891Y (en) | 1999-11-30 | 1999-11-30 | Cooking fume, smoke dust sampler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99247966 CN2401891Y (en) | 1999-11-30 | 1999-11-30 | Cooking fume, smoke dust sampler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2401891Y true CN2401891Y (en) | 2000-10-18 |
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ID=34033256
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 99247966 Expired - Fee Related CN2401891Y (en) | 1999-11-30 | 1999-11-30 | Cooking fume, smoke dust sampler |
Country Status (1)
| Country | Link |
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| CN (1) | CN2401891Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103513053A (en) * | 2012-06-29 | 2014-01-15 | 中国科学院大连化学物理研究所 | Device for synchronously adjusting direction of pitot tube sampling hole and sampling gun in rotating mode |
| CN105675158A (en) * | 2016-01-06 | 2016-06-15 | 南京航空航天大学 | Device and method for simultaneously measuring gas turbine combustion chamber outlet temperature and combustion product concentration |
| CN109891230A (en) * | 2016-11-07 | 2019-06-14 | 球波株式会社 | For measuring system, the method and computer program product of gas concentration |
| CN110057628A (en) * | 2019-05-09 | 2019-07-26 | 广州长德环境研究院有限公司 | A kind of energy conservation resistance to compression stationary source exhaust gas sampling system |
-
1999
- 1999-11-30 CN CN 99247966 patent/CN2401891Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103513053A (en) * | 2012-06-29 | 2014-01-15 | 中国科学院大连化学物理研究所 | Device for synchronously adjusting direction of pitot tube sampling hole and sampling gun in rotating mode |
| CN105675158A (en) * | 2016-01-06 | 2016-06-15 | 南京航空航天大学 | Device and method for simultaneously measuring gas turbine combustion chamber outlet temperature and combustion product concentration |
| CN109891230A (en) * | 2016-11-07 | 2019-06-14 | 球波株式会社 | For measuring system, the method and computer program product of gas concentration |
| CN109891230B (en) * | 2016-11-07 | 2021-05-14 | 球波株式会社 | System, method and computer program product for measuring gas concentration |
| CN110057628A (en) * | 2019-05-09 | 2019-07-26 | 广州长德环境研究院有限公司 | A kind of energy conservation resistance to compression stationary source exhaust gas sampling system |
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| CF01 | Termination of patent right due to non-payment of annual fee |