CN105953947A - Verification device for boiler acoustic temperature measurement equipment - Google Patents
Verification device for boiler acoustic temperature measurement equipment Download PDFInfo
- Publication number
- CN105953947A CN105953947A CN201610534121.3A CN201610534121A CN105953947A CN 105953947 A CN105953947 A CN 105953947A CN 201610534121 A CN201610534121 A CN 201610534121A CN 105953947 A CN105953947 A CN 105953947A
- Authority
- CN
- China
- Prior art keywords
- control unit
- sound wave
- noise source
- boiler
- temperature measuring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K15/00—Testing or calibrating of thermometers
- G01K15/005—Calibration
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K11/00—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00
- G01K11/22—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00 using measurement of acoustic effects
- G01K11/24—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00 using measurement of acoustic effects of the velocity of propagation of sound
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Measuring Temperature Or Quantity Of Heat (AREA)
Abstract
The invention relates to a verification device for boiler acoustic temperature measurement equipment, belongs to the technical field of boiler combustion technology assessment and combustion safe and reliable operation monitoring devices, and solves the problems of factory verification and onsite verification of boiler furnace temperature measurement equipment of the principle of acoustic temperature measurement. The device comprises an input unit, a master control unit, a selection switch, a programmable delay unit, a secondary noise source and an amplitude control unit. The input unit is connected with the master control unit through the selection switch. The master control unit is respectively connected with the programmable delay unit, the secondary noise source, the amplitude control unit and a human-computer interface. The input unit and the amplitude control unit are respectively connected with the two ends of a verified device. There is at least one path formed by the input unit, the master control unit, the selection switch, the programmable delay unit, the secondary noise source and the amplitude control unit. A combustion boiler is simulated through an electronic mode so that different temperature fields and noisy background noise can be generated, and the technical performance of the detected equipment can also be assessed.
Description
Technical field
The present invention relates to the calibration equipment of boiler sound wave temperature measuring equipment, belong to boiler combustion technological evaluation and combustion completion is reliably transported
The device technique field of row monitoring.
Background technology
Boiler is the production equipment that thermal power generation corporations are important, its economy run and stability, is related to the competing of electricity power enterprise
Strive power and safety, also relate to important environmental issue.It is reported, in thermoelectricity cost, fuel cost typically constitutes from 70%
Above, therefore, if boiler combustion is optimized, it is possible to reduce coal consumption, generating efficiency is improved.Boiler combustion parameter measurement,
Measuring instrument the most just becomes necessary, and wherein fire box temperature is measured is then that whether abundant assessment boiler combustion is and prevent burning deflection etc.
The important evidence of security monitoring.This makes boiler furnace temperature measuring equipment seem of crucial importance.As it is shown in figure 1, sound wave temperature-measurement principle
It is: boiler cavity both sides are provided with left side station and right side station, and two stations are provided with electroluminescent phonation unit and sensor,
The signal sent from the electroluminescent phonation unit of left side station passes through known boilers cavity length, through flying over the time, as in figure 2 it is shown, reach
To right side station sensor.The time of flying over can pass through left side, the sensor signal discretization of right side station and do relevant obtaining.
According to equation below, then can obtain the average speed of sonic transmissions at a temperature of this.And the spread speed of sound and temperature in gas
There is functional relationship, and then obtain the sound source current mean temperature T to the different paths of sensor.
In formula: v is can the average speed (m/s) of calculated acoustic wave propagation path；S is to survey the sonic propagation road obtained
The distance (m) in footpath；T is flying over the time (s) of acoustic wave propagation path；R is the specific heats of gases, and the specific heat of gas is at ambient pressure
One constant；R is mol gas constant (8.314J/mol)；T is absolute temperature (K)；M is gas molar weight (kg/mol).
As it is shown on figure 3, in boiler cavity, each layer is provided with 8 stations in prior art, each station arranges electroluminescent sounding list
Unit and sensor, its transmission path is as shown in Figure 4.Principle is as follows: one of them station sends sound wave letter as sound source to surrounding
Number, around six stations then start to receive signal.According to the same principle in Fig. 1 and Fig. 2, it is known that path, root
The transmission time according to sound wave, it is possible to know the average speed under Current Temperatures.After obtaining the mean temperature in each path, physics
On by furnace cavity piecemeal, and then construct temperature field in furnaces accurately.
Prior art there is problems in that (1) sound wave temperature measuring equipment dispatches from the factory and can not verify with the boiler of burning, and it burns into
This is high, and floor space is huge, and wide temperature range to be realized simulation, and cost is the highest；(2) same, the sound being in operation
The periodic calibration of ripple temperature measuring equipment accuracy is difficult to solve, because the burning gases noise in boiler is sent with Acoustic wave measuring apparatus
Noise mixing, cause its operating condition extremely complex；(3) input pattern of different verified devices is different, has compressed air
Beep pattern and electroluminescent beep pattern, different patterns uses different calibration equipments, poor universality；(4) how to pass judgment on badly
The performance of the Acoustic wave measuring apparatus under operating mode, does not currently also have effective means.
Summary of the invention
It is an object of the invention to the drawbacks described above overcoming existing Acoustic wave measuring apparatus to exist, it is proposed that a kind of boiler sound wave thermometric sets
Standby calibration equipment, the boiler burnt by electronics pattern simulation, produce different temperature fields, noisy background noise, solve
Determined sound wave temperature-measurement principle boiler hearth temperature measure equipment dispatch from the factory verification and field-checking problem, at the same time it can also be assessment
The technical performance of equipment under test.
The present invention is to use following technical scheme to realize: the calibration equipment of a kind of boiler sound wave temperature measuring equipment, single including input
Unit, main control unit, selection switch, programmable delay unit, secondary noise source and amplitude control unit, input block is by selecting
Switch is connected with main control unit, and main control unit connects programmable delay unit, secondary noise source, amplitude control unit and man-machine respectively
Interface；Input block and amplitude control unit connect the two ends of verified device respectively；By input block, main control unit, selection
The path that switch, programmable delay unit, secondary noise source and amplitude control unit are constituted is at least provided with one.
Further, when verified device is provided with the electromagnetic valve of control compressed air break-make, and input block uses by main noise source
The compressed air sounding input block constituted with on off state collecting unit, this pattern is compressed air beep pattern.
Further, under compressed air beep pattern, the coil of electromagnetic valve is connected with on off state collecting unit, and main control unit is adopted
Collect the status information of on off state collecting unit and judge whether this path works, when the coil working of electromagnetic valve, respective path
Send the sound wave of thermometric.
Further, under compressed air beep pattern, main noise source according to the number of probes of verified device at least provided with one
Paths, the number in path and main control unit, selection switch, programmable delay unit, secondary noise source and amplitude control unit structure
The path number become is consistent, and each paths has a programmable delay unit, and retardation is by main control unit control；After branch
Main noise source be respectively arranged with an independent amplitude control unit, for regulating the amplitude of useful signal.
Further, under compressed air beep pattern, independent and uncorrelated between secondary noise source, the amplitude of each noise source is only
Vertical controlled, the noise of each paths output is made up of main noise source and time noise source superposition, and the noise of synthesis is through amplitude control
Unit delivers to sensor or the vibration stimulus source of verified device, and sensor is connected with sound wave temperature measuring equipment；Vibration stimulus source drives
Dynamic sensor produces vibration.
Further, when verified device is provided with speaker exciting signal source, input block uses and is made up of analog acquisition unit
Electroluminescent sounding input block, this pattern is electroluminescent beep pattern.
Further, under electroluminescent beep pattern, speaker exciting signal source is connected with the input of analog acquisition unit, master control list
Unit gathers analog acquisition unit and is connected and judges whether this path works, and when exciting signal source works, respective path sends thermometric
Sound wave.
Further, under electroluminescent beep pattern, analog acquisition unit is according to the speaker exciting signal source number of verified device extremely
It is provided with a paths less, the number in path and main control unit, selection switch, programmable delay unit, secondary noise source and amplitude
The path number that control unit is constituted is consistent, and each paths has a programmable delay unit, after main control unit is to postponing
Signal carries out amplitude control, and simulated field decay or transducer range overflow.
Further, under electroluminescent beep pattern, the number of secondary noise source is consistent with speaker exciting signal source number, each
There is one noise source in path, and secondary noise source amplitude is controlled by amplitude control unit, and the Signal averaging in all paths synthesizes one
The signal being contaminated, for simulating the background noise of boiler combustion or the soot blowing noise of boiler attendance.
Further, under electroluminescent beep pattern, the signal after synthesis is again introduced into amplitude control unit, is directly sent to sound wave thermometric
The sensor of equipment or vibration stimulus source, sensor is connected with sound wave temperature measuring equipment；Vibration stimulus source drives sensor to produce
Vibration.
The invention has the beneficial effects as follows:
(1) calibration equipment of boiler sound wave temperature measuring equipment of the present invention, it is achieved that the simulation of temperature field in furnaces, and temperature
Field can be adjustable with real-time online；
(2) calibration equipment of boiler sound wave temperature measuring equipment of the present invention, can run program set in advance, simulates boiler
The dynamic operation condition heat up, keep, fluctuate, lowered the temperature；
(3) calibration equipment of boiler sound wave temperature measuring equipment of the present invention, can export the excitation of sensor to every passage
The additional different noise of signal, the simulation noisy background noise of boiler, can test verified equipment circuit resolution capability and
Algorithm process level；
(4) calibration equipment of boiler sound wave temperature measuring equipment of the present invention, can export the excitation of sensor to every passage
Signal amplitude adjusts, and can test circuit resolution capability and the algorithm process level of verified equipment；So solving sound wave thermometric
Dispatch from the factory verification and the field-checking problem of equipment, at the same time it can also be the technical performance of assessment equipment under test.
Accompanying drawing explanation
Fig. 1 is sound wave temperature measuring equipment ultimate principle figure.
Fig. 2 is the sound wave propagation delay schematic diagram in atmosphere that sensor acquisition arrives.
Fig. 3 is sensor placement location structural representation.
Fig. 4 is the sonic propagation active path figure that sensor acquisition arrives.
Fig. 5 is the general diagram of the present invention.
Fig. 6 is the present invention block diagram in compressed air sound source pattern.
Fig. 7 is the present invention block diagram at electroluminescent beep pattern.
In figure: 1, electromagnetic valve or speaker exciting signal source；2, burner hearth.
It is embodied as
The invention will be further described below in conjunction with the accompanying drawings.
Embodiment one:
As it is shown in figure 5, the calibration equipment of a kind of boiler sound wave temperature measuring equipment, including input block, main control unit, selection switch,
Programmable delay unit, secondary noise source and amplitude control unit, input block is connected with main control unit by selecting to switch, master control
Unit connects programmable delay unit, secondary noise source, amplitude control unit and man machine interface respectively；Input block and amplitude control
Unit connects the two ends of verified device respectively；By input block, main control unit, selection switch, programmable delay unit, secondary
The path that noise source and amplitude control unit are constituted is at least provided with one.
When verified device is provided with the electromagnetic valve of control compressed air break-make, and input block uses by main noise source and on off state
The compressed air sounding input block that collecting unit is constituted, this pattern is compressed air beep pattern.
Under compressed air beep pattern, the coil of electromagnetic valve is connected with on off state collecting unit, and main control unit gathers on off state
The status information of collecting unit also judges whether this path works, and when the coil working of electromagnetic valve, respective path sends thermometric and uses
Sound wave.
Under compressed air beep pattern, main noise source according to the number of probes of verified device at least provided with a paths, road
The path that the number in footpath is constituted with main control unit, selection switch, programmable delay unit, secondary noise source and amplitude control unit
Number is consistent, and each paths has a programmable delay unit, and retardation is by main control unit control；Main noise source after branch
It is respectively arranged with an independent amplitude control unit, for regulating the amplitude of useful signal.
Under compressed air beep pattern, independent and uncorrelated between secondary noise source, the amplitude of each noise source is individually controllable, often
The noise of one paths output is made up of main noise source and time noise source superposition, the noise of synthesis through amplitude control unit deliver to by
The sensor of calibration equipment or vibration stimulus source, sensor is connected with sound wave temperature measuring equipment；Vibration stimulus source drives sensor to produce
Raw vibration.
When verified device is provided with speaker exciting signal source, and input block uses the electroluminescent sounding being made up of analog acquisition unit
Input block, this pattern is electroluminescent beep pattern.
Under electroluminescent beep pattern, speaker exciting signal source is connected with the input of analog acquisition unit, and main control unit collection is simulated
Collecting unit is connected and judges whether this path works, and when exciting signal source works, respective path sends the sound wave of thermometric.
Under electroluminescent beep pattern, analog acquisition unit according to the speaker exciting signal source number of verified device at least provided with one
Paths, the number in path and main control unit, selection switch, programmable delay unit, secondary noise source and amplitude control unit structure
The path number become is consistent, and each paths has a programmable delay unit, and main control unit carries out width to the signal after postponing
Degree controls, and simulated field decay or transducer range overflow.
Under electroluminescent beep pattern, the number of secondary noise source is consistent with speaker exciting signal source number, and each paths has one
Individual noise source, secondary noise source amplitude is controlled by amplitude control unit, and the Signal averaging synthesis one in all paths has been contaminated
Signal, for simulating the background noise of boiler combustion or the soot blowing noise of boiler attendance.
Under electroluminescent beep pattern, the signal after synthesis is again introduced into amplitude control unit, is directly sent to the sensing of sound wave temperature measuring equipment
Device or vibration stimulus source, sensor is connected with sound wave temperature measuring equipment；Vibration stimulus source drives sensor to produce vibration.
Embodiment two:
For the sound wave temperature measuring equipment of compressed air pattern, its sounding is controlled by electromagnetic valve.When the electromagnetic valve in certain path is opened
Then this path sounding.Electromagnetic valve is opened in turn according to certain rule, the corresponding different acoustic wave propagation path of each electromagnetic valve,
Such as Fig. 4 is that the electromagnetic valve in a certain path is opened, and is correspondingly arranged on six paths.The following solution of compressed air pattern,
Shown in Fig. 6.
This calibration equipment contains a main noise source；Main noise source can be segmented into n paths according to the number of sensor, often
There is a programmable delay unit on one tunnel.Retardation is by main control unit control.Main noise source after branch be respectively arranged with one independent
Signal amplitude control unit, for regulating the size of output signal；This calibration equipment contains n incoherent time independent noise
Source；The amplitude of each noise source is also individually controllable；The noise of each paths output is by main noise source and time noise source phase
Add composition；Composite noise after addition delivers to the input of the sensor of vibration exciter or temperature measuring equipment by amplitude control unit.
This calibration equipment has a personal-machine interface, display, the preset retardation of every paths, amplitude information etc..This calibration equipment is first
First detection electromagnetic valve state, when finding the electromagnetic valve action in certain path, required for each sensor in the most exportable this path of correspondence
The composite signal of correspondence temperature.
Embodiment three:
For the sound wave temperature measuring equipment of electroluminescent beep pattern, its sounding is that the signal of telecommunication drives a speaker.Speaker is not required at ordinary times
Sounding to be driven, now it drives signal equal to zero.Equally, each speaker is also according to certain rule sounding.Electroluminescent
The following solution of sound pattern, shown in Fig. 7.
This calibration equipment contains an analog acquisition unit, gathers the signal of telecommunication driving speaker；Each speaker electricity collected
Signal, is all followed by a programmable delay unit.Retardation is by control unit control.Each road postpones one independent letter of signal source
Number amplitude control unit, for regulating the size of output noise；This calibration equipment contains n incoherent time independent noise source；
Each time noise source amplitude is also individually controllable；The noise of each road output is constituted with time noise source addition by postponing signal source；
Composite signal after addition controls to deliver to the input of the sensor of vibration exciter or temperature measuring equipment through amplitude.This calibration equipment
There are a personal-machine interface, display, the preset retardation of every paths, amplitude information etc..First this calibration equipment detects simulation
Amount size, the correspondence temperature when finding that there is driving voltage in certain path, required for each sensor in the most exportable this path of correspondence
The composite signal of degree.
Embodiment four:
In Fig. 1, electromagnetic valve or speaker exciting signal source 1, burner hearth 2 between the two are respectively laid in burner hearth 2 both sides of boiler
Apart from known.In Fig. 2, the sound wave propagation delay schematic diagram in atmosphere arrived by sensor acquisition, can significantly find out a left side
The electromagnetic valve of right both sides or speaker exciting signal source 1 amplitude have the delay of difference time t.In Fig. 3 and Fig. 4, it is assumed that stove
Thorax 2 is square, and each length of side is provided with two groups of electromagnetic valves or speaker exciting signal source 1, when one of them electromagnetic valve or
When person's speaker exciting signal source 1 launches signal, other electromagnetic valve or speaker exciting signal source 1 will be opened as receiving terminal
Begin to receive signal.
Embodiment five:
The present invention relates to the calibration equipment of boiler sound wave temperature measuring equipment, belong to acoustic method air themperature collimation technique field.Solution of the present invention
Boiler hearth temperature based on Principles of Acoustics of having determined measures exfactory inspection and the field-checking problem of equipment.The invention mainly comprises mould
Intend collection, on off state collection, select the control of switch, programmable delay, major loop amplitude, local noise source, additional noise
Source, the control of minor loop amplitude, noise mixing output etc..For compressed air sounding by calibration equipment, the present invention gathers its electromagnetism
Valve duty, local noise source is as major loop signal.For electroluminescent sounding by calibration equipment, the present invention is by sending out of collecting
Sound device excitation analogue signal is as major loop signal.Major loop signal is delayed to be mixed with additional noise source after amplitude control, send
Gather to by the sensor input of calibration equipment by it.Construct the temperature field of boiler by electronic manner and then simulate in it
Portion's background noise, for assessment by the technical performance of calibration equipment.
Certainly, foregoing is only presently preferred embodiments of the present invention, it is impossible to be considered for limiting embodiments of the invention scope.
The present invention is also not limited to the example above, and those skilled in the art are made in the essential scope of the present invention
Impartial change and improvement etc., all should belong in the patent covering scope of the present invention.
Claims (10)
1. the calibration equipment of a boiler sound wave temperature measuring equipment, it is characterised in that: include that input block, main control unit, selection are opened
Pass, programmable delay unit, secondary noise source and amplitude control unit, input block is connected with main control unit by selecting to switch,
Main control unit connects programmable delay unit, secondary noise source, amplitude control unit and man machine interface respectively；Input block and amplitude
Control unit connects the two ends of verified device respectively；By input block, main control unit, selection switch, programmable delay unit,
The path that secondary noise source and amplitude control unit are constituted is at least provided with one.
The calibration equipment of boiler sound wave temperature measuring equipment the most according to claim 1, it is characterised in that: when verified device sets
Being equipped with the electromagnetic valve controlling compressed air break-make, input block uses the compression being made up of main noise source and on off state collecting unit
Air sounding input block, this pattern is compressed air beep pattern.
The calibration equipment of boiler sound wave temperature measuring equipment the most according to claim 2, it is characterised in that: compressed air sounding mould
Under formula, the coil of electromagnetic valve is connected with on off state collecting unit, and main control unit gathers the status information of on off state collecting unit
And judge whether this path works, when the coil working of electromagnetic valve, respective path sends the sound wave of thermometric.
4. according to the calibration equipment of the boiler sound wave temperature measuring equipment described in Claims 2 or 3, it is characterised in that: compressed air is sent out
Under sound pattern, main noise source according to the number of probes of verified device at least provided with a paths, the number in path and master control
Unit, the path number selecting switch, programmable delay unit, secondary noise source to constitute with amplitude control unit are consistent, each
There is a programmable delay unit in path, and retardation is by main control unit control；Main noise source after branch be respectively arranged with one independent
Amplitude control unit, for regulating the amplitude of useful signal.
The calibration equipment of boiler sound wave temperature measuring equipment the most according to claim 4, it is characterised in that: compressed air sounding mould
Under formula, independent and uncorrelated between secondary noise source, the amplitude of each noise source is individually controllable, the noise of each paths output
Be made up of main noise source and time noise source superposition, the noise of synthesis through amplitude control unit deliver to verified device sensor or
Person's vibration stimulus source, sensor is connected with sound wave temperature measuring equipment；Vibration stimulus source drives sensor to produce vibration.
The calibration equipment of boiler sound wave temperature measuring equipment the most according to claim 1, it is characterised in that: when verified device sets
Being equipped with speaker exciting signal source, input block uses the electroluminescent sounding input block being made up of analog acquisition unit, and this pattern is
Electroluminescent beep pattern.
The calibration equipment of boiler sound wave temperature measuring equipment the most according to claim 6, it is characterised in that: under electroluminescent beep pattern,
Speaker exciting signal source is connected with the input of analog acquisition unit, and main control unit gathers analog acquisition unit and is connected and judges this
Whether path works, and when exciting signal source works, respective path sends the sound wave of thermometric.
8. according to the calibration equipment of the boiler sound wave temperature measuring equipment described in claim 6 or 7, it is characterised in that: electroluminescent sounding mould
Under formula, analog acquisition unit according to the speaker exciting signal source number of verified device at least provided with a paths, path
The path number one that number is constituted with main control unit, selection switch, programmable delay unit, secondary noise source and amplitude control unit
Causing, each paths has a programmable delay unit, and main control unit carries out amplitude control to the signal after postponing, and simulation is existing
Field decay or transducer range overflow.
9. according to the calibration equipment of the boiler sound wave temperature measuring equipment described in claim 6 or 7, it is characterised in that: electroluminescent sounding mould
Under formula, the number of secondary noise source is consistent with speaker exciting signal source number, and each paths has one noise source, secondary
Noise source amplitude is controlled by amplitude control unit, Signal averaging one signal being contaminated of synthesis in all paths, is used for simulating
The background noise of boiler combustion or the soot blowing noise of boiler attendance.
10. according to the calibration equipment of the boiler sound wave temperature measuring equipment described in claim 6 or 7, it is characterised in that: electroluminescent sounding
Under pattern, the signal after synthesis is again introduced into amplitude control unit, is directly sent to sensor or the vibration of sound wave temperature measuring equipment
Driving source, sensor is connected with sound wave temperature measuring equipment；Vibration stimulus source drives sensor to produce vibration.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610534121.3A CN105953947B (en) | 2016-07-07 | 2016-07-07 | The calibration equipment of boiler sound wave temperature measuring equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610534121.3A CN105953947B (en) | 2016-07-07 | 2016-07-07 | The calibration equipment of boiler sound wave temperature measuring equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105953947A true CN105953947A (en) | 2016-09-21 |
| CN105953947B CN105953947B (en) | 2018-06-29 |
Family
ID=56900580
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610534121.3A Active CN105953947B (en) | 2016-07-07 | 2016-07-07 | The calibration equipment of boiler sound wave temperature measuring equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105953947B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110390954A (en) * | 2019-08-06 | 2019-10-29 | 京东方科技集团股份有限公司 | Method and device for evaluating quality of voice product |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5988873A (en) * | 1996-11-28 | 1999-11-23 | Etat Francais | Portable bathymetric probe simulator |
| US20090204359A1 (en) * | 2008-02-08 | 2009-08-13 | Avl List Gmbh | Method for determining the contributions of individual transmission paths |
| CN102089652A (en) * | 2008-05-13 | 2011-06-08 | 荷兰应用科学研究会(Tno) | Ultrasonic modelling |
| CN102243112A (en) * | 2011-04-13 | 2011-11-16 | 沈阳航空航天大学 | Furnace box temperature field and furnace tube leakage integrated detection system based on sonic sensor |
| CN102651842A (en) * | 2012-02-23 | 2012-08-29 | 北京航天计量测试技术研究所 | Generating device and method for random sound-pressure phase difference of microphone |
| CN103926018A (en) * | 2014-03-11 | 2014-07-16 | 刘文斌 | Liquid temperature measuring device and method |
| WO2014194056A1 (en) * | 2013-05-30 | 2014-12-04 | Siemens Energy, Inc. | Fully automated calibration for acoustic pyrometry |
| CN204807237U (en) * | 2015-07-20 | 2015-11-25 | 上海龙华汽车配件有限公司 | Temperature sensor determine device |
-
2016
- 2016-07-07 CN CN201610534121.3A patent/CN105953947B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5988873A (en) * | 1996-11-28 | 1999-11-23 | Etat Francais | Portable bathymetric probe simulator |
| US20090204359A1 (en) * | 2008-02-08 | 2009-08-13 | Avl List Gmbh | Method for determining the contributions of individual transmission paths |
| CN102089652A (en) * | 2008-05-13 | 2011-06-08 | 荷兰应用科学研究会(Tno) | Ultrasonic modelling |
| CN102243112A (en) * | 2011-04-13 | 2011-11-16 | 沈阳航空航天大学 | Furnace box temperature field and furnace tube leakage integrated detection system based on sonic sensor |
| CN102651842A (en) * | 2012-02-23 | 2012-08-29 | 北京航天计量测试技术研究所 | Generating device and method for random sound-pressure phase difference of microphone |
| WO2014194056A1 (en) * | 2013-05-30 | 2014-12-04 | Siemens Energy, Inc. | Fully automated calibration for acoustic pyrometry |
| CN103926018A (en) * | 2014-03-11 | 2014-07-16 | 刘文斌 | Liquid temperature measuring device and method |
| CN204807237U (en) * | 2015-07-20 | 2015-11-25 | 上海龙华汽车配件有限公司 | Temperature sensor determine device |
Non-Patent Citations (1)
| Title |
|---|
| 杨祥良: "基于声波测温技术的电站锅炉受热面污染监测研究", 《中国博士学位论文全文数据库 工程科技Ⅱ辑》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110390954A (en) * | 2019-08-06 | 2019-10-29 | 京东方科技集团股份有限公司 | Method and device for evaluating quality of voice product |
| CN110390954B (en) * | 2019-08-06 | 2022-05-13 | 京东方科技集团股份有限公司 | Method and device for evaluating quality of voice product |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105953947B (en) | 2018-06-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202075062U (en) | Furnace cavity temperature field and furnace tube leakage integrated detection device based on sonic sensor | |
| Nicol et al. | Development of a five-step global methane oxidation-NO formation mechanism for lean-premixed gas turbine combustion | |
| CN106959210B (en) | A kind of division condition detection method and device for open isolating switch | |
| CN102243112A (en) | Furnace box temperature field and furnace tube leakage integrated detection system based on sonic sensor | |
| CN205939231U (en) | Large -scale furnace two dimension temperature field measuring device | |
| DeSilva et al. | Novel gas turbine exhaust temperature measurement system | |
| EP3056885B1 (en) | Measurement system and method for measuring temperature and velocity of a flow of fluid | |
| CN106483196A (en) | A kind of tunnel surrounding elastic wave testing method | |
| CN105953947A (en) | Verification device for boiler acoustic temperature measurement equipment | |
| CN104459825A (en) | Test system for down hole detector sensor | |
| CN108279265A (en) | The online non-destructive testing device of strip mechanical property and its control method | |
| CN201476905U (en) | Neural network PID temperature controlled thermocouple automatic verification system | |
| CN204574107U (en) | Boiler furnace temperature measurer | |
| CN106773795A (en) | The inline diagnosis of Power Plant Thermal control logic and optimization device based on virtual objects | |
| CN215525664U (en) | Visual simulation experiment system for depth position of spontaneous combustion high-temperature area of loose coal body | |
| CN209542329U (en) | A kind of more many reference amounts Simultaneous Monitoring dynamically load experimental provisions | |
| CN113419027A (en) | Acoustic temperature measurement-based coal spontaneous combustion high-temperature point migration path visualization device and method | |
| CN102818251B (en) | Power station boiler heat expansion monitoring system and measuring method based on acoustical principle | |
| CN106404214B (en) | Sound wave boiler temperature field measurement device and method based on pseudo-random sequence | |
| Nabagło et al. | Combustion process analysis in boiler OP-650k based on acoustic gas temperature measuring system | |
| CN104344951A (en) | Leaf apex vibration amplitude measuring method | |
| CN103559821A (en) | Standing wave generating and demonstrating device of lengthwise waves | |
| CN203490877U (en) | Standing wave generation and demonstration device of longitudinal wave | |
| CN106324013A (en) | Test instrument and method for evaluating upheaval risk of bituminous pavement | |
| CN210627542U (en) | Infrared temperature measurement training device and training system suitable for 110kV terminal |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |