CN106768439A - Gun muzzle transient temperature signal pickup assembly and method - Google Patents
Gun muzzle transient temperature signal pickup assembly and method Download PDFInfo
- Publication number
- CN106768439A CN106768439A CN201611040316.9A CN201611040316A CN106768439A CN 106768439 A CN106768439 A CN 106768439A CN 201611040316 A CN201611040316 A CN 201611040316A CN 106768439 A CN106768439 A CN 106768439A
- Authority
- CN
- China
- Prior art keywords
- temperature
- voltage
- acquisition system
- performance data
- transient
- 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.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K7/00—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements
- G01K7/02—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using thermoelectric elements, e.g. thermocouples
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Temperature Or Quantity Of Heat (AREA)
Abstract
The invention discloses a kind of gun muzzle transient temperature signal pickup assembly and method, the technical problem for solving existing gun muzzle transient temperature signal pickup assembly testing transient temperature peak low precision.Technical scheme is that device includes compensating wire, microminiature quick response thermocouple, temperature adapter and high-performance data acquisition system.In method, the microminiature quick response thermocouple, using measurement leaf diameter 0.1mm, the structure of thermo wires diameter 0.079mm, realize to the quick response in transient temperature signal 10ms, the temperature adapter realizes the temperature change adaptive equalization of long range compensating wire output end, and the high-performance data acquisition system is realized testing the collection of the overtones band of measured signal 100 and the binary channels of voltage temperature signal by 1MS/s/CH sample rates.The present invention is strong to transient temperature signal high speed sampling capabilities, reduces transient temperature peak value test error, improves the measuring accuracy of transient temperature peak value.
Description
Technical field
The present invention relates to a kind of signal pickup assembly and method, more particularly to a kind of gun muzzle transient temperature signal pickup assembly
And method.
Background technology
Reference picture 2.Existing gun muzzle transient temperature signal pickup assembly includes low profile thermal galvanic couple, compensating wire and waveform note
Record instrument.The measurement end of low profile thermal galvanic couple is arranged on the transient temperature test point of gun muzzle designated area, output termination compensating wire
One end, the input of the other end welding wave recorder of compensating wire.Low profile thermal galvanic couple is using measurement leaf diameter
0.4mm, thermo wires diameter 0.2mm, response time 150ms, sensitivity are 0.041mV/ DEG C of K-type thermocouple, for will be by thermometric
Degree signal is converted to faint electric signal, and compensating wire realizes connection of the low profile thermal galvanic couple with wave tracer and faint electricity
The long-distance transmissions of signal are pressed, wave tracer realizes collection, the storage to weak voltage signals.Gun muzzle is carried out using the device
Transient temperature signal acquisition, measures the temperature signal rise time for 0.398s, and crest voltage is 28.368mV, is converted into temperature difference
It is 691.9 DEG C to be worth, and with 26.6 DEG C of calculating of initial temperature, measures peak temperature for 718.5 DEG C.Known gun muzzle transient temperature rises
Time is ms grade, more than 1000 DEG C of peak temperature, thus prior art exist it is loud to the peak value dynamic of gun muzzle transient temperature signal
The big problem of long, test error between seasonable.
It is in place of the deficiencies in the prior art：Transient temperature peak value test error is big.Due to low profile thermal galvanic couple measurement end knot
Spot diameter is relatively large, thermo wires diameter relatively thick, hot thermocouple inertia is larger, along with wave tracer temperature collect module
Sample rate be only 500S/s, bandwidth only 100Hz, therefore, harvester dynamic response time is more long, it is impossible to reflect quilt in time
Survey the quick change of transient temperature, it is impossible to effectively capture the peak value of transient temperature, transient temperature peak value test error is big.
The content of the invention
In order to overcome the shortcomings of existing gun muzzle transient temperature signal pickup assembly testing transient temperature peak low precision, this hair
It is bright that a kind of gun muzzle transient temperature signal pickup assembly and method are provided.Device includes compensating wire, microminiature quick response thermoelectricity
Even, temperature adapter and high-performance data acquisition system.In method, the microminiature quick response thermocouple, using measurement end
The structure of node diameter 0.1mm, thermo wires diameter 0.079mm, realizes to the quick response in transient temperature signal 10ms, the temperature
Degree adapter realizes the temperature change adaptive equalization of long range compensating wire output end, and the high-performance data acquisition system is led to
Cross 1MS/s/CH sample rates and realize the undistorted collection to the overtones band of measured signal 100 and the binary channels of voltage temperature signal
Test.Capability of fast response to transient temperature signal, high speed sampling capabilities and peak value capture ability are improve, transient state is reduced
Temperature peak test error, improves the measuring accuracy of transient temperature peak value.
The technical solution adopted for the present invention to solve the technical problems：A kind of gun muzzle transient temperature signal pickup assembly, bag
Compensating wire is included, is characterized in also including microminiature quick response thermocouple, temperature adapter and high-performance data acquisition system.
The measurement end of the microminiature quick response thermocouple is installed on the transient temperature test of gun muzzle point, output termination compensating wire
Input, the output end of compensating wire directly connects the voltage channel input of high-performance data acquisition system all the way, and output end is another
Lead up to the temperature channel input that temperature adapter connects high-performance data acquisition system.Microminiature quick response thermocouple will
Dut temperature signal is converted to faint electric signal, and compensating wire is used for connection of the same model thermocouple with temperature adapter and letter
Number long-distance transmissions, temperature adapter is used for the adaptive equalization of compensating wire output end temperature change, high-performance data collection
System realizes high speed acquisition and voltage temperature signal the binary channels test to measured signal.
A kind of method for measuring gun muzzle transient temperature based on above-mentioned gun muzzle transient temperature signal pickup assembly, is characterized in bag
Include following steps：
Step one, harvester index, parameters selection.
The microminiature quick response thermocouple selects K-type, measures leaf 0.4~0.1mm of diameter, thermo wires line footpath 0.2
~0.079mm, 150~10ms of response time, 0.041mV/ DEG C of sensitivity, -20 DEG C of measurement range~1370 DEG C, certainty of measurement ±
0.75% range.The compensating wire selects K-type, joint length 60m.The temperature adapter is selected has temperature adapter certainly
Dynamic identification, the function of thermocouple output end automatic temperature change compensation.The high-performance data acquisition system is selected and adopted per passage
Sample rate 1MS/s/CH, resolution ratio 16bit, the collection of 16 Channel Synchronous.
Step 2, harvester connection, parameter setting.
The measurement end of microminiature quick response thermocouple is installed on gun muzzle transient temperature test point, and output termination compensation is led
Line input, the output end of compensating wire directly connects the voltage channel input of high-performance data acquisition system, output end all the way
Another road electrically connects the temperature channel input for being followed by high-performance data acquisition system with temperature adapter.
After high-performance data acquisition system startup self-detection, setting sample rate is 1MS/s/CH, and test mode is voltage, voltage
Scope is ± 100mV, and lowpass frequency is 300kHz, and coupled modes are direct current, and driving voltage is 0V, and output is biased to 0%, temperature
Scope is -20 DEG C~1370 DEG C.
Step 3, temperature signal collection, storage and display.
Before artillery shooting, the measurement of voltage, temperature initial value is completed using monitoring pattern.In artillery shooting, using storage
Pattern automatic data collection temperature signal.After artillery shooting, start stop mode, store and show surveyed data automatically.Adjustment voltage
Signal lower limit show value is -10mV, upper limit show value is 60mV, and temperature signal lower limit show value is -100 DEG C, upper limit show value
It is 1500 DEG C.
Step 4, DATA REASONING, data processing.
DATA REASONING is carried out using a pair of vertical cursors.Two different focus of mobile two vertical cursors in waveform
On, the automatic time difference shown between two focus, voltage difference and temperature gap on screen.
The measured temperature of voltage channel, equal to two focus voltage difference mV divided by temperature sensor sensitivity mV/
DEG C, along with temperature initial value；The measured value of temperature channel, the temperature gap equal to two focus adds temperature initial value.
The beneficial effects of the invention are as follows：The inventive system comprises compensating wire, microminiature quick response thermocouple, temperature
Adapter and high-performance data acquisition system.In method, the microminiature quick response thermocouple, using measurement leaf diameter
The structure of 0.1mm, thermo wires diameter 0.079mm, realizes to the quick response in transient temperature signal 10ms, the temperature adapter
The temperature change adaptive equalization of long range compensating wire output end is realized, the high-performance data acquisition system passes through 1MS/s/
CH sample rates realize the binary channels test of the undistorted collection and voltage temperature signal to the overtones band of measured signal 100.Improve
Capability of fast response, high speed sampling capabilities and peak value capture ability to transient temperature signal, reduce transient temperature peak value
Test error, improves the measuring accuracy of transient temperature peak value.
The present invention is elaborated with reference to the accompanying drawings and detailed description.
Brief description of the drawings
Fig. 1 is the block diagram of gun muzzle transient temperature signal pickup assembly of the present invention.
Fig. 2 is the block diagram of background technology gun muzzle transient temperature signal pickup assembly.
Specific embodiment
Reference picture 1.Gun muzzle transient temperature signal pickup assembly of the present invention includes compensating wire, is also quickly rung including microminiature
Answer thermocouple, temperature adapter and high-performance data acquisition system.The measurement end of microminiature quick response thermocouple is installed on big gun
On the transient temperature test point of mouth specified location, termination compensating wire input is exported, the output end all the way of compensating wire is direct
The voltage channel input of high-performance data acquisition system, another road output end is connect to be electrically connected with temperature adapter and be followed by high-performance
The temperature channel input of data collecting system.Voltage, the initial value of temperature are obtained using monitoring pattern before artillery shooting,
In being shot after cannon, after shooting using memory module carry out respectively the automatic data collection of transient temperature signal, automatic storage with it is automatic
It has been shown that, DATA REASONING goes out time difference, voltage difference, the temperature difference between two focus using a pair of vertical cursors automatic measurement
Value, for the data processing of voltage channel, temperature measurement result is equal to the voltage difference of two focus divided by the sensitive of thermocouple
Degree, along with temperature initial value, for the data processing of temperature channel, temperature measurement result is equal to the temperature gap of two focus
Plus temperature initial value.
A kind of method for gathering gun muzzle transient temperature signal using above-mentioned gun muzzle transient temperature signal pickup assembly, its is specific
Step is as follows：
Step one, harvester index, parameters selection.
Microminiature quick response thermocouple, from model K-type, measures leaf diameter 0.1mm, thermo wires diameter 0.079mm,
Response time is not more than 10ms, 0.041mV/ DEG C of sensitivity, -20 DEG C of measurement range~1370 DEG C, certainty of measurement ± 0.75% amount
Journey.Compensating wire, from model K-type, joint length 60m.Temperature adapter, from make with temperature adapter automatic identification,
The function of thermocouple output end automatic temperature change compensation.High-performance data acquisition system, from every channel sample rate 1MS/s/
CH, resolution ratio 16bit, the collection of 16 Channel Synchronous.
Step 2, harvester connection, parameter setting.
The measurement end of microminiature quick response thermocouple is installed on the transient temperature test of gun muzzle specified location point, exports
Termination compensating wire input, the output end all the way of compensating wire directly connects the voltage channel input of high-performance data acquisition system
End, another road output end electrically connect the temperature channel input for being followed by high-performance data acquisition system with temperature adapter.
After high-performance data acquisition system startup self-detection, setting sample rate is 1MS/s/CH, and test mode is voltage, voltage
Scope is ± 100mV, and lowpass frequency is 300kHz, and coupled modes are direct current, and driving voltage is 0V, and output is biased to 0%, temperature
Scope is -20 DEG C~1370 DEG C.
Step 3, temperature signal collection, storage and display.
Before artillery shooting, the measurement of voltage, temperature initial value is completed using monitoring pattern.In artillery shooting, using storage
Pattern makes temperature signal by automatic data collection.After artillery shooting, start stop mode, measured data are stored automatically, show automatically
Show.Adjustment voltage signal lower limit show value is -10mV, upper limit show value is set to 60mV, and temperature signal lower limit show value is -100
DEG C, upper limit show value be 1500 DEG C, two-way waveform is clearly shown.
Step 4, DATA REASONING, data processing.
DATA REASONING：Measured using a pair of vertical cursors.Cursor 1 is moved to first concern of waveform initial value
On point, cursor 2 is moved on another focus of waveform peak, show first measurement of focus on screen successively
Measured value, the measurement difference of two focus, the time difference of two focus of value, second focus.
Data are calculated：For the measured value of voltage channel, the voltage difference (mV) that temperature measurement result is equal to focus is removed
With the sensitivity (mV/ DEG C) of temperature sensor, along with temperature initial value.For the measured value of temperature channel, temperature survey knot
The temperature gap that fruit is equal to focus adds temperature initial value.
In the present embodiment, high-performance data acquisition system voltage channel surveys voltage difference for 47.99mV, is converted to temperature
Difference is 47.99/0.041=1170.5 DEG C, and with 39.6 DEG C of calculating of temperature initial value, peak temperature is 1170.5 DEG C+39.6 DEG C
=1210.1 DEG C；Temperature channel measured temperature difference is 1180.9 DEG C, and peak temperature is 1180.9 DEG C+39.6 DEG C=1220.5
DEG C, the average value that voltage temperature binary channels is measured to same temperature is 1215.3 DEG C.
The present invention one is to replace common compact thermocouple using microminiature quick response thermocouple, realizes that thermocouple junction is straight
Footpath by 0.4mm to 0.1mm, thermo wires line footpath by 0.2mm to 0.079mm, response time by 150ms to 10ms, it is right so as to improve
The capability of fast response of transient temperature signal, rapid extraction ability；Two are remembered instead of waveform using high-performance data acquisition system
Record instrument, realizes test acquisition rate by 500S/s/CH to 1MS/s/CH, and voltage channel, temperature channel synchronism detection so that
Improve the fast Acquisition ability to transient changing temperature signal；Three is, compared with prior art, to realize gun muzzle under same shooting condition
Transient temperature peak value test result, with the 1270 DEG C of calculating of peak temperature actual value, improves transient state peak by 718.5 DEG C to 1215.3 DEG C
Value temperature test precision is by 43.4% to 4.3%.
Claims (2)
1. a kind of gun muzzle transient temperature signal pickup assembly and method, including compensating wire, it is characterised in that：Also include microminiature
Quick response thermocouple, temperature adapter and high-performance data acquisition system；The measurement of the microminiature quick response thermocouple
End is installed on the transient temperature test of gun muzzle point, and output termination compensating wire input, the output end of compensating wire is straight all the way
The voltage channel input of high-performance data acquisition system is connect, output end separately leads up to temperature adapter and connects high-performance data
The temperature channel input of acquisition system；Dut temperature signal is converted to faint telecommunications by microminiature quick response thermocouple
Number, compensating wire is used for connection of the same model thermocouple with temperature adapter and signal long-distance transmissions, and temperature adapter is used for
The adaptive equalization of compensating wire output end temperature change, high-performance data acquisition system realizes the high speed acquisition to measured signal
Tested with voltage temperature signal binary channels.
2. a kind of method that gun muzzle transient temperature is measured based on gun muzzle transient temperature signal pickup assembly described in claim 1, its
It is characterised by comprising the following steps：
Step one, harvester index, parameters selection；
The microminiature quick response thermocouple selects K-type, measures leaf 0.4~0.1mm of diameter, and thermo wires line footpath 0.2~
0.079mm, 150~10ms of response time, 0.041mV/ DEG C of sensitivity, -20 DEG C of measurement range~1370 DEG C, certainty of measurement ±
0.75% range；The compensating wire selects K-type, joint length 60m；The temperature adapter is selected has temperature adapter certainly
Dynamic identification, the function of thermocouple output end automatic temperature change compensation；The high-performance data acquisition system is selected and adopted per passage
Sample rate 1MS/s/CH, resolution ratio 16bit, the collection of 16 Channel Synchronous；
Step 2, harvester connection, parameter setting；
The measurement end of microminiature quick response thermocouple is installed on gun muzzle transient temperature test point, and output termination compensating wire is defeated
Enter end, the output end of compensating wire directly connects the voltage channel input of high-performance data acquisition system all the way, and output end is another
Road electrically connects the temperature channel input for being followed by high-performance data acquisition system with temperature adapter；
After high-performance data acquisition system startup self-detection, setting sample rate is 1MS/s/CH, and test mode is voltage, voltage range
It is ± 100mV, lowpass frequency is 300kHz, and coupled modes are direct current, and driving voltage is 0V, output is biased to 0%, temperature range
It is -20 DEG C~1370 DEG C；
Step 3, temperature signal collection, storage and display；
Before artillery shooting, the measurement of voltage, temperature initial value is completed using monitoring pattern；In artillery shooting, using memory module
Automatic data collection temperature signal；After artillery shooting, start stop mode, store and show surveyed data automatically；Adjustment voltage signal
Lower limit show value is -10mV, upper limit show value is 60mV, and temperature signal lower limit show value is -100 DEG C, upper limit show value is
1500℃；
Step 4, DATA REASONING, data processing；
DATA REASONING is carried out using a pair of vertical cursors；Mobile two vertical cursors are shielded on two different focus of waveform
Automatically time difference between two focus, voltage difference and temperature gap are shown on curtain；
The measured temperature of voltage channel, equal to two focus voltage difference mV divided by temperature sensor mV/ DEG C of sensitivity, again
Plus temperature initial value；The measured value of temperature channel, the temperature gap equal to two focus adds temperature initial value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611040316.9A CN106768439A (en) | 2016-11-23 | 2016-11-23 | Gun muzzle transient temperature signal pickup assembly and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611040316.9A CN106768439A (en) | 2016-11-23 | 2016-11-23 | Gun muzzle transient temperature signal pickup assembly and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106768439A true CN106768439A (en) | 2017-05-31 |
Family
ID=58975161
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611040316.9A Pending CN106768439A (en) | 2016-11-23 | 2016-11-23 | Gun muzzle transient temperature signal pickup assembly and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106768439A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107884076A (en) * | 2017-10-30 | 2018-04-06 | 西安昆仑工业（集团）有限责任公司 | Small-bore tube cannon rotation barrel surface temperature online testing device and method |
| CN110617735A (en) * | 2019-08-30 | 2019-12-27 | 南京理工大学 | Device for improving artillery shooting efficiency |
| CN111398659A (en) * | 2020-04-03 | 2020-07-10 | 一诺仪器（中国）有限公司 | Voltage and temperature measuring method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040208223A1 (en) * | 2003-04-18 | 2004-10-21 | Shimadzu Corporation | Two-color radiation thermometer |
| CN102818647A (en) * | 2012-08-13 | 2012-12-12 | 西安近代化学研究所 | Quick-response thermocouple resistant to transient-state high pressure of explosion field |
| CA2808209A1 (en) * | 2013-02-28 | 2014-08-28 | Randall G. Honeck | Thermocouple with integrity monitoring |
| CN104101438A (en) * | 2013-04-03 | 2014-10-15 | 北京航天试验技术研究所 | Rapid response thermocouple temperature sensor |
| CN105067151A (en) * | 2015-08-04 | 2015-11-18 | 西安昆仑工业（集团）有限责任公司 | Signal conditioning based artillery temperature parameter test device and method |
-
2016
- 2016-11-23 CN CN201611040316.9A patent/CN106768439A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040208223A1 (en) * | 2003-04-18 | 2004-10-21 | Shimadzu Corporation | Two-color radiation thermometer |
| CN102818647A (en) * | 2012-08-13 | 2012-12-12 | 西安近代化学研究所 | Quick-response thermocouple resistant to transient-state high pressure of explosion field |
| CA2808209A1 (en) * | 2013-02-28 | 2014-08-28 | Randall G. Honeck | Thermocouple with integrity monitoring |
| CN104101438A (en) * | 2013-04-03 | 2014-10-15 | 北京航天试验技术研究所 | Rapid response thermocouple temperature sensor |
| CN105067151A (en) * | 2015-08-04 | 2015-11-18 | 西安昆仑工业（集团）有限责任公司 | Signal conditioning based artillery temperature parameter test device and method |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107884076A (en) * | 2017-10-30 | 2018-04-06 | 西安昆仑工业（集团）有限责任公司 | Small-bore tube cannon rotation barrel surface temperature online testing device and method |
| CN110617735A (en) * | 2019-08-30 | 2019-12-27 | 南京理工大学 | Device for improving artillery shooting efficiency |
| CN111398659A (en) * | 2020-04-03 | 2020-07-10 | 一诺仪器（中国）有限公司 | Voltage and temperature measuring method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102565634B (en) | Power cable fault location method based on transfer function method | |
| CN106768439A (en) | Gun muzzle transient temperature signal pickup assembly and method | |
| CN106124939A (en) | Distributed high tension cable partial discharge monitoring and alignment system | |
| CN105067125B (en) | Cannon high speed colorimetric infrared temperature measurement apparatus and method | |
| CN102937810A (en) | Device and method for testing DCS (distributed control system) response time | |
| CN103675623A (en) | Method and system for detecting partial discharging of GIS under impulse voltage | |
| CN106324538A (en) | Partial discharge automatic calibration system | |
| CN108490488A (en) | It is a kind of based on when window energy ratio channel wave seismic scattering imaging method and device | |
| CN111398761A (en) | Partial discharge signal acquisition device and partial discharge acquisition analyzer | |
| US3112642A (en) | Apparatus for measuring surface roughness | |
| CN211927121U (en) | Array type flexible temperature sensor wireless acquisition system | |
| CN103162839B (en) | Reading circuit for Nb5 N6 normal temperature Terahertz detector linear array | |
| CN105067151A (en) | Signal conditioning based artillery temperature parameter test device and method | |
| CN106569162B (en) | A kind of the analog bandwidth measurement method and device of logic analyser probe | |
| CN103149545A (en) | Testing method, testing device, testing equipment and testing system of very fast transient overvoltage (VFTO) sensor | |
| CN110646689A (en) | Traveling wave distance measurement method and device adopting same-source double-sampling mode | |
| CN109297674A (en) | Pilot system is continuously measured based on pressure scanning valve model surface pressure | |
| US5600138A (en) | Remote sensing of modulated sources by undersampled methods | |
| CN109257247A (en) | A kind of quality detecting system of communication module | |
| CN108007360A (en) | Cannon displacement measurement method | |
| CN204924451U (en) | Microwave power device transient state temperature measuring system | |
| CN114371356A (en) | Low-frequency high-precision conduction injection voltage real-time monitoring method and system | |
| CN108646206A (en) | A kind of electronic system investigation method and device | |
| CN201463744U (en) | Explosion light signal acquisition device | |
| CN108614198B (en) | High-voltage cable voltage-withstand test distributed partial discharge detection system and detection method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170531 |
|
| WD01 | Invention patent application deemed withdrawn after publication |