CN106768357A - A kind of infrared high-speed temperature transducer response time measuring method and measuring system - Google Patents
A kind of infrared high-speed temperature transducer response time measuring method and measuring system Download PDFInfo
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- CN106768357A CN106768357A CN201611111339.4A CN201611111339A CN106768357A CN 106768357 A CN106768357 A CN 106768357A CN 201611111339 A CN201611111339 A CN 201611111339A CN 106768357 A CN106768357 A CN 106768357A
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- 238000009529 body temperature measurement Methods 0.000 claims description 6
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
- G01J5/80—Calibration
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Abstract
The invention discloses a kind of infrared high-speed temperature transducer response time measuring method and measuring system, methods described is：The temperature signal that infrared high-speed temperature transducer is transmitted is converted to by a voltage signal or current signal by transmitter, after high-speed data acquisition card record and computing, display output temperature profile on the computer screen；By computer inquery to a correct time t0~ts, this time is the response time；The system includes BB705 black-body resources, infrared high-speed temperature transducer, transmitter, high-speed data acquisition card, computer, servo speed governing impeller.The present invention solves existing infrared high-speed temperature transducer response time measuring method and can not determine the real response speed of temperature transducer, it is impossible to ensure to carry out the problem of accurate technical data analysis.
Description
Technical field
Surveyed the invention belongs to sensor element calibration field, more particularly to a kind of infrared high-speed temperature transducer response time
Amount method and measuring system.
Background technology
After the sensor response time is normally defined test volume one step value of change, sensor reaches final numerical value 90%
The required time.
For example a temperature sensor, when measured variable changes, sensor can not typically do to this immediately
Go out reaction, typically have one it is delayed, this delayed time is exactly the response time.It is this delayed to need quick response at some
The field of temperature value is extremely important, such as the quick-fried core temperature exploded, temperature survey of rapid welding etc..
In sum, the measuring method now for the infrared high-speed temperature transducer response time does not have also, it is impossible to obtain
The real response speed of temperature transducer, it is impossible to carry out accurate technical data analysis.
The content of the invention
It is an object of the invention to provide a kind of infrared high-speed temperature transducer response time measuring method and measuring system,
Aim to solve the problem that the existing infrared high-speed temperature transducer response time cannot measure problem, it is impossible to determine temperature transducer and really ring
Answer speed, it is impossible to carry out the problem of accurate technical data analysis.
The present invention is achieved in that a kind of infrared high-speed temperature transducer response time measuring method, the infrared height
Fast temperature transducer response time measuring method is：The temperature signal for being transmitted infrared high-speed temperature transducer by transmitter is turned
A voltage signal or current signal are changed to, after high-speed data acquisition card record and computing, display output on the computer screen
Temperature profile；The temperature profile includes rising edge, peak value, trailing edge；Continuously surveyed by infrared high-speed temperature transducer
Temperature, computer obtains the curve map of complete and accurate；Terminate to rising edge since the rising edge or trailing edge to trailing edge knot
Beam, by computer inquery to a correct time t0~ts, this time is the response time.
Further, the infrared high-speed temperature transducer response time measuring method is specifically included：
BB705 black-body resource built-in temperature controllers are adjusted to fixed temperature value；
Then target area is measured with infrared temperature-test sensor, signal will be obtained one electricity is converted to by transmitter
Pressure signal or current signal, after high-speed data acquisition card record and computing, display output temperature curve on the computer screen
Figure；
If the peak value section of the output temperature curve map is variant with the fixed temperature value that black-body resource is adjusted, calibration measurement system
System makes peak value hop count value reach the fixed temperature value of black-body resource adjustment；
A servo speed-adjustable impeller is put between infrared sensor and black-body resource again, adjusts servomotor speed, until
Continuous temperature measurement peak of curve reaches the fixed temperature value of black-body resource adjustment, the complete temperature curve for a cycle circulation occur
Figure, obtains a correct time t on temperature profile time shaft0~ts, this time is the response time.
Further, the response time for obtaining was 100% response time.
Another object of the present invention is to provide a kind of infrared high-speed temperature transducer system for measuring responsive time, described infrared
High speed temperature transducer system for measuring responsive time includes：
BB705 black-body resources, fixed temperature value is adjusted to by built-in temperature controller；
Infrared high-speed temperature transducer, for being measured to the fixed temperature value that BB705 black-body resources are adjusted, and will measurement
Temperature signal be transferred to transmitter；
Transmitter, after the temperature signal that infrared high-speed temperature transducer is transmitted is converted into a voltage signal or current signal
It is transferred to high-speed data acquisition card；
High-speed data acquisition card, voltage signal or current signal for being transmitted to transmitter are recorded and computing, and
The signal transmission with computing will be recorded to computer；
Computer, is shown and output temperature curve by the screen of computer to the signal that high-speed data acquisition card is transmitted
Figure, while inquiring a correct time t0~ts；
Servo speed governing impeller, between infrared high-speed temperature transducer and BB705 black-body resources, by the constant speed for adjusting
Degree, for the fixed temperature value of infrared high-speed temperature transducer measurement BB705 black-body resource adjustment provides cycle period.
Further, the hole equidistant with disc centre is provided with the servo speed governing impeller, the hole is circular hole, the hole
Diameter be 3~6 times of infrared ray beam diameter；The hole is square hole, and the length of side of the square hole is infrared ray beam diameter
3~6 times.
Further, the servo speed governing impeller is arranged on servomotor, and the servomotor is defeated by servo controller
The pulsed drive rotation for going out.
A kind of infrared high-speed temperature transducer response time measuring method and measuring system that the present invention is provided, solve existing
Having the infrared high-speed temperature transducer response time cannot measure problem, it is impossible to determine the real response speed of temperature transducer, no
Can guarantee that the problem for carrying out accurate technical data analysis.For example：During projection welding, spot welding and induction heating technology, finding
Weld interval is shorter generally from 50ms-3000ms, because of welding equipment and current characteristics reason, it may appear that due to surface oxidation,
The resistance variations that greasy dirt and temperature change are caused, and fixture reason cause shunting, situations such as stream, cause metal welding
The fluctuation of Cheng Wendu, causes welding exception, such as low not prison welding of temperature, temperature is too high to cause weld zone to overheat, burning and
Metallic gold phase constitution exception, because the reasons such as organizations power and thermal stress cause product failure.Welding profession there is presently no
The method of online temperature detection at a high speed, contact temperature-measuring cannot on-line checking, the present invention measured using noncontacting proximity sensor
Accurate temperature curve, realizes the on-line checking to welding and sensing heating process, beneficial to weld failure reason is searched, monitors
Cheng Yichang, improves process quality control level.
Brief description of the drawings
Fig. 1 is infrared high-speed temperature transducer response time measuring method schematic diagram provided in an embodiment of the present invention；
Fig. 2 is infrared high-speed temperature transducer system for measuring responsive time schematic diagram provided in an embodiment of the present invention；
In figure：1st, BB705 black-body resources；2nd, infrared high-speed temperature transducer；3rd, transmitter；4th, high-speed data acquisition card；5、
Computer；6th, servo speed governing impeller；7th, servomotor；8 servo controllers.
Fig. 3 is display output temperature profile on the computer screen provided in an embodiment of the present invention；
Fig. 4 is the complete temperature profile of periodic cycle provided in an embodiment of the present invention；
Fig. 5 is servo speed governing impeller figure provided in an embodiment of the present invention.
Specific embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to embodiments, to the present invention
It is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not used to
Limit the present invention.
Application principle of the invention is described in detail below in conjunction with the accompanying drawings.
Infrared high-speed temperature transducer response time measuring method provided in an embodiment of the present invention, be：Will by transmitter
The temperature signal of infrared high-speed temperature transducer transmission is converted to a voltage signal or current signal, remembers through high-speed data acquisition card
After record and computing, display output temperature profile on the computer screen；The temperature profile include rising edge, peak value, under
Drop edge；By infrared high-speed temperature transducer continuous temperature measurement, computer obtains the curve map of complete and accurate；Since rising edge to
Rising edge terminates or trailing edge starts to trailing edge to terminate, by computer inquery to a correct time t0~ts, this time is
It is the response time.
As shown in figure 1, infrared high-speed temperature transducer response time measuring method provided in an embodiment of the present invention is specifically wrapped
Include：
S101：BB705 black-body resource built-in temperature controllers are adjusted to fixed temperature value；
S102：Then target area is measured with infrared temperature-test sensor, signal will be obtained and changed by transmitter
Be a voltage signal or current signal, through high-speed data acquisition card record and computing after, display output temperature on the computer screen
Write music line chart；
S103：If the peak value section of the output temperature curve map is variant with the fixed temperature value that black-body resource is adjusted, calibration
Measuring system makes peak value hop count value reach the fixed temperature value of black-body resource adjustment；
S104：A servo speed-adjustable impeller is put between infrared sensor and black-body resource again, adjusts servomotor speed,
Until continuous temperature measurement peak of curve reaches the fixed temperature value of black-body resource adjustment, the complete temperature for a cycle circulation occur
Curve map, obtains a correct time t on temperature profile time shaft0~ts, this time is the response time.
Further, the response time for obtaining was 100% response time.
As shown in Fig. 2 infrared high-speed temperature transducer system for measuring responsive time provided in an embodiment of the present invention, described red
Outer high speed temperature transducer system for measuring responsive time includes：
BB705 black-body resources 1, fixed temperature value is adjusted to by built-in temperature controller；
Infrared high-speed temperature transducer 2, for being measured to the fixed temperature value that BB705 black-body resources are adjusted, and will survey
The temperature signal of amount is transferred to transmitter；
Transmitter 3, a voltage signal or current signal are converted to by the temperature signal that infrared high-speed temperature transducer is transmitted
After be transferred to high-speed data acquisition card；
High-speed data acquisition card 4, voltage signal or current signal for being transmitted to transmitter are recorded and computing, and
The signal transmission with computing will be recorded to computer；
Computer 5, is shown and output temperature curve by the screen of computer to the signal that high-speed data acquisition card is transmitted
Figure, while inquiring a correct time t0~ts；
Servo speed governing impeller 6, it is constant by what is adjusted between infrared high-speed temperature transducer and BB705 black-body resources
Speed, for the fixed temperature value of infrared high-speed temperature transducer measurement BB705 black-body resource adjustment provides cycle period.
Further, the hole equidistant with disc centre is provided with the servo speed governing impeller, the hole is circular hole, the hole
Diameter be 3~6 times of infrared ray beam diameter；The hole is square hole, and the length of side of the square hole is infrared ray beam diameter
3~6 times.
Further, the servo speed governing impeller is arranged on servomotor 7, and the servomotor passes through servo controller 8
The pulsed drive rotation of output.
Below in conjunction with the accompanying drawings and specific embodiment is further described to application principle of the invention.
After the sensor response time is normally defined test volume one step value of change, sensor reaches final numerical value 90%
The required time.
For example a temperature sensor, when measured variable changes, sensor can not typically do to this immediately
Go out reaction, typically have one it is delayed, this delayed time is exactly the response time.It is this delayed to need quick response at some
The field of temperature value is extremely important, such as the quick-fried core temperature exploded, temperature survey of rapid welding etc., if it is true to determine its
Real response speed, will be unable to carry out accurate technical data analysis.
Measuring method of the invention is specific point three parts based on the planning of above reason, 1, BB705 black-body resources；2nd, it is infrared
Temperature measuring equipment is a set of；3rd, servo speed governing impeller (see Fig. 5).There is the hole equidistant with disc centre on servo impeller, hole is circular hole
Can be square hole, diameter (or length of side) is 3~6 times of infrared ray beam diameter.Method：
Measuring system is shown in Fig. 2 (measuring system schematic diagram), and BB705 black-body resource built-in temperature controllers are adjusted to one admittedly
Constant temperature angle value, it is assumed that be 500 degrees Celsius, then measured to target area with infrared temperature-test sensor, will obtain signal and leads to
Cross transmitter and be converted to a voltage or current signal, recorded through high-speed data acquisition card with after computing, show on the computer screen
Show output temperature curve map, (see Fig. 3), its peak value section is variant with 500 degrees Celsius of black-body resource, and calibration measurement system makes its numerical value
Reach 500 degrees Celsius.A servo speed-adjustable impeller (see accompanying drawing 1) is put between infrared sensor and black-body resource again, adjustment is watched
Motor speed is taken, until continuous temperature measurement peak of curve reaches 500 degree C values, the complete temperature of a cycle circulation occurs
Curve, can accurately learn the response time of the sensor on this width temperature profile time shaft, in Fig. 4 (scheming between showing)
t0~tsTime was for 100% response time.
Principle：Black-body resource exists for a leveled constant temperature as a constant, because servo drive blade is by servo electricity
Machine is driven, and the pulsed drive motor exported by servo controller is rotated, therefore governing system is easy to be adjusted to one and is adapted to
Constant speed, in addition, temp measuring system position is fixed with detection zone, so, temp measuring system can accurately obtain rising edge, peak
Value, trailing edge, continuous temperature measurement can record the curve of complete and accurate, terminate to rising edge since the rising edge or trailing edge
Terminate to trailing edge, can be by the software inquiry of temp measuring system to a correct time t0~ts, this time is the response time
And be 100% response time, certain temp measuring system data acquisition rate is matching.
Presently preferred embodiments of the present invention is the foregoing is only, is not intended to limit the invention, it is all in essence of the invention
Any modification, equivalent and improvement made within god and principle etc., should be included within the scope of the present invention.
Claims (6)
1. a kind of infrared high-speed temperature transducer response time measuring method, it is characterised in that the infrared high-speed temperature transducers
Device response time measuring method is：The temperature signal that infrared high-speed temperature transducer is transmitted is converted to by a voltage by transmitter
Signal or current signal, after high-speed data acquisition card record and computing, display output temperature profile on the computer screen；
The temperature profile includes rising edge, peak value, trailing edge；By infrared high-speed temperature transducer continuous temperature measurement, computer is obtained
Obtain the curve map of complete and accurate；Terminate to rising edge since the rising edge or trailing edge terminate to trailing edge, by calculating
Machine inquires a correct time t0~ts, this time is the response time.
2. infrared high-speed temperature transducer response time measuring method as claimed in claim 1, it is characterised in that described infrared
High speed temperature transducer response time measuring method is specifically included：
BB705 black-body resource built-in temperature controllers are adjusted to fixed temperature value；
Then target area is measured with infrared temperature-test sensor, signal will be obtained one voltage letter is converted to by transmitter
Number or current signal, after high-speed data acquisition card record and computing, display output temperature profile on the computer screen；
If the peak value section of the output temperature curve map is variant with the fixed temperature value that black-body resource is adjusted, calibration measurement system makes
Peak value hop count value reaches the fixed temperature value of black-body resource adjustment；
A servo speed-adjustable impeller is put between infrared sensor and black-body resource again, servomotor speed is adjusted, until continuously
Temperature logs peak value reaches the fixed temperature value of black-body resource adjustment, the complete temperature profile for a cycle circulation occur,
A correct time t is obtained on temperature profile time shaft0~ts, this time is the response time.
3. the infrared high-speed temperature transducer response time measuring method as described in claim 1~2 any one, its feature exists
In the response time for obtaining was 100% response time.
4. a kind of infrared high-speed temperature transducers of infrared high-speed temperature transducer response time measuring method as claimed in claim 1
Device system for measuring responsive time, it is characterised in that the infrared high-speed temperature transducer system for measuring responsive time includes：
BB705 black-body resources, fixed temperature value is adjusted to by built-in temperature controller；
Infrared high-speed temperature transducer, for being measured to the fixed temperature value that BB705 black-body resources are adjusted, and the temperature that will be measured
Degree signal transmission is to transmitter；
Transmitter, transmits after the temperature signal that infrared high-speed temperature transducer is transmitted is converted into a voltage signal or current signal
To high-speed data acquisition card；
High-speed data acquisition card, voltage signal or current signal for being transmitted to transmitter are recorded and computing, and will note
The signal transmission of record and computing is to computer；
Computer, is shown and output temperature curve map, together by the screen of computer to the signal that high-speed data acquisition card is transmitted
When inquire a correct time t0~ts；
Servo speed governing impeller, between infrared high-speed temperature transducer and BB705 black-body resources, is made by adjusting servo controller
The servo impeller of servomotor driving is obtained to constant speed, is that infrared high-speed temperature transducer measurement BB705 black matrix source temperatures are carried
For the cycle period needed for thermometric.
5. infrared high-speed temperature transducer system for measuring responsive time as claimed in claim 4, it is characterised in that the servo
The hole equidistant with disc centre is provided with speed governing impeller, the hole is circular hole, and the diameter in the hole is infrared ray beam diameter
3~6 times；The hole is square hole, and the length of side of the square hole is 3~6 times of infrared ray beam diameter.
6. infrared high-speed temperature transducer system for measuring responsive time as claimed in claim 4, it is characterised in that the servo
Speed governing impeller is arranged on servomotor, and the servomotor is rotated by the pulsed drive that servo controller is exported.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108020352A (en) * | 2017-12-14 | 2018-05-11 | 合肥金星机电科技发展有限公司 | The temperature calibration method of Non-contacting Infrared Thermometer |
| CN108143401A (en) * | 2018-02-09 | 2018-06-12 | 中诊医疗健康管理有限公司 | A kind of temperature monitoring early warning system |
| CN110161409A (en) * | 2019-06-13 | 2019-08-23 | 西安创联超声技术有限责任公司 | Supersonic motor response time measuring device |
| CN112212982A (en) * | 2020-11-06 | 2021-01-12 | 核工业理化工程研究院 | Calibration system of temperature measuring device for side wall of rotor of cylindrical rotating machine |
| CN113125032A (en) * | 2019-12-30 | 2021-07-16 | 联合汽车电子有限公司 | Response measurement system and measurement method of motor temperature monitoring system |
| CN113188686A (en) * | 2021-06-01 | 2021-07-30 | 中国计量大学 | Temperature sensor dynamic calibration method based on continuous laser |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108020352A (en) * | 2017-12-14 | 2018-05-11 | 合肥金星机电科技发展有限公司 | The temperature calibration method of Non-contacting Infrared Thermometer |
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| CN113125032A (en) * | 2019-12-30 | 2021-07-16 | 联合汽车电子有限公司 | Response measurement system and measurement method of motor temperature monitoring system |
| CN112212982A (en) * | 2020-11-06 | 2021-01-12 | 核工业理化工程研究院 | Calibration system of temperature measuring device for side wall of rotor of cylindrical rotating machine |
| CN113188686A (en) * | 2021-06-01 | 2021-07-30 | 中国计量大学 | Temperature sensor dynamic calibration method based on continuous laser |
| CN113188686B (en) * | 2021-06-01 | 2023-08-04 | 中国计量大学 | Temperature sensor dynamic calibration method based on continuous laser |
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Application publication date: 20170531 |