CN105241566A - High-speed temperature measurement device - Google Patents
High-speed temperature measurement device Download PDFInfo
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- CN105241566A CN105241566A CN201510779892.4A CN201510779892A CN105241566A CN 105241566 A CN105241566 A CN 105241566A CN 201510779892 A CN201510779892 A CN 201510779892A CN 105241566 A CN105241566 A CN 105241566A
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- measuring equipment
- temperature measuring
- thermopair
- high speed
- filtering circuit
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Abstract
The present invention relates to a high-speed temperature measurement device, comprising components, a power supply system and a distribution box. The components are arranged in the distribution box; each thermocouple is connected with one end of each independent temperature transmitter through wires, and the other end of each temperature transmitter is connected with an independent filter circuit of a filter circuit board card through different channels on the filter circuit board card; the filter circuit is connected with different channels on a high frequency data acquisition board card, and a USB interface on the high frequency data acquisition board card extends out of the distribution box and is connected with a computer; and the power supply system is configured to supply power for each component in the distribution box. The high-speed temperature measurement device is stable in signal acquisition and high in anti-jamming capability in a working condition, etc.
Description
Technical field
The present invention relates to a kind of measurement mechanism, especially a kind of high speed temperature measuring equipment.
Background technology
At industry manufacture, detection field, often need research object is carried out to multiple spot, carried out contact type temperature measuring for a long time, rapidly.Such as at Al alloys andMg alloys casting field, temperature acquisition is carried out to the process of setting of certain alloy, if the solidification temperature range of alloy is very short, cooling velocity is very fast again, corresponding this alloy graining time very short (as being less than 1 second), then in extremely short time range, need extremely high frequency acquisition (as 10
5hz), just can ensure to collect abundant temperature data.Because of the corresponding acquisition channel of collection position, after collection position increases, as port number be X time, then the frequency acquisition of a certain passage reduces to 10
5/ XHz.Existing temperature measuring equipment, acquisition channel number is few on the one hand, is all less than 20 passages, and on the other hand when after passage standard-sized sheet, frequency acquisition is too low, is less than 100Hz.When needing the high speed acquisition temperature of research object being carried out to multiple spot, as the process of setting of foundry goods, needing at least 32 positions to carry out thermometric, and requiring that resolution reaches 16.Existing apparatus cannot meet this requirement.
Learn by carrying out patent retrieval in National IP Network, Wang Gang, Nie Zhenguo, the people such as Liu Dehao (application number: the temperature measuring equipment (application title: the workpiece temperature measuring equipment for grinding experiment) 201510039900) invented and Du Hongtao, Li Shangang, Hu Changlun (application number: the temperature measuring equipment (application title: adopt the electrical equipment lug wire temperature measuring equipment easily holding alloy and make) 201510124947) invented, matched fixture used or secondary mould when being thermometric, so that temperature sensor probes into measured position, completely different from temperature measuring equipment content of the present invention.
Also have some temperature measuring equipments, as application number be 201510022408, name is called " a kind of watchband type passive and wireless temperature measurement on-line device and detection system thereof ", application number is CN201520026671, name is called that " a kind of wireless temperature measuring device for electric system high-tension apparatus " and application number are CN201510127431, name is called " a kind of method that indoor temperature is measured and device ", all the modes by wireless temperature measurement, belong to indirect thermometric, be affected by the external environment larger.
Summary of the invention
The object of this invention is to provide a kind of high speed temperature measuring equipment, adopt contact temperature-measuring, can meet and carry out thermometric at least 32 location points, resolution reaches 16.
Concrete technical scheme of the present invention is, described high speed temperature measuring equipment comprises: components and parts, electric power system and panel box, components and parts are arranged in panel box, described components and parts comprise: some thermopairs and 1 have at least with the high-frequency data analog input card of thermopair number same channels, data switch board and filtering circuit board, the temperature transmitter identical with thermopair quantity, each thermopair is connected with each independently temperature transmitter one end by wire, the other end of temperature transmitter is connected with the independently filtering circuit on filtering circuit board by the different passage on data switch board, described data switch board comprises the resistance of the 10 Ω-100k Ωs identical with thermopair quantity, one end is connected with temperature transmitter one end, the other end is connected with filtering circuit, described filtering circuit respectively from the different expanding channels on high-frequency data analog input card, USB interface on high-frequency data analog input card is stretched out panel box and is connected with computer, electric power system is that in panel box, each components and parts are powered.
The quantity of described thermopair is that 20-40 props up, and is preferably 32.Thermopair is K type thermopair, and temperature measurement range is 0-1300 DEG C.Thermopair is connected with temperature transmitter by the compensating wire with function of shielding, and the described compensating wire with function of shielding refers in the peripheral coated metal knitmesh of common compensating wire, prevents the electromotive force signal that outside electromagnetic interference compensating wire transmits.Described electric power system is in series with gauge tap and power light, panel box is provided with cooling fan, each passage of data switch plate is provided with wire jumper.Described data switch plate is outside equipped with data switch plate radome, the outer setting of high-frequency data analog input card has high-frequency data analog input card radome, filtering circuit board is provided with filtering circuit board radome equally in outside, described panel box is metal material.
The high-frequency data analog input card of 32 described passages, a kind of components and parts of standard, the voltage signal data in (0-5) V is responsible for collect, acquisition rate single channel can reach 250kHz, resolution 16, operating voltage 5V, has USB2.0 interface, can carry out data communication with computer.
Described filtering circuit board, comprise multiple filtering circuit, each circuit is respectively containing a pair electric capacity and resistive element, described electric capacity is 1000-3500 μ F, resistance is 10-1000 Ω, is responsible for exporting the voltage signal denoising in (0-5) V after transmitter collection, gain, filtering to high-frequency data analog input card.
Described high-frequency data analog input card radome, filtering circuit board and data switch board radome, be responsible for protected data analog input card respectively, and filtering circuit board and data switch board avoid the electromagnetic interference (EMI) that in extraneous and panel box, other components and parts produce.
Described temperature transmitter is a kind of components and parts of standard, is responsible for the faint simulating signal (thermopower) detected by thermopair, the voltage signal in (0-5) V that gain, denoising being converted to are specified.Described cooling fan is responsible for carrying out wind cooling temperature lowering to the connecting line in panel box, components and parts etc.Described gauge tap is standard component, has short circuit, overload protection function, is responsible for carrying out switch control rule to the power supply of temperature measuring equipment.Whether described power light is standard component, be responsible for display panel box and be energized.Described metal material panel box, is responsible for the inner components and parts installed of protection and is connected wire and avoids mechanical damage and electromagnetic interference (EMI).
The present invention is by designed, designed data switch board and filtering circuit board, each components and parts of being made by manufacturers or users, can under comparatively harsh working condition, powered by 220V power-frequency voltage, thermopair is assigned into assigned address, thermopair can contact with high temperature air, also can contact with high-temp liquid.
The present invention carries out installation and debugging according to the connection guiding book of electrotechnics basic theories and relevant components and parts, has theoretical ripe, consistent, connects reliable feature.Except self-control data switch board and filtering circuit board, relevant components and parts be connected wire and be industry internal standard part.Described temperature measuring equipment, considers in panel box inside in heat radiation, electromagnetic screen, is equipped with cooling fan and electro-magnetic shielding cover respectively.Consider extraneous electromagnetic interference (EMI), panel box uses metal material, and the compensating wire crust stretching out panel box is also gauze fabric.Therefore apparatus of the present invention, in working order, have collection signal and stablize, the features such as antijamming capability is strong.Described temperature measuring equipment is contact temperature-measuring, belongs to direct temperature measurement, has measurement result accurate, responds feature rapidly.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Embodiment
As shown in the figure, described high speed temperature measuring equipment comprises: components and parts, electric power system and panel box 14, components and parts are arranged in panel box 14, described components and parts comprise: some thermopairs and 1 have at least with the high-frequency data analog input card 1 of thermopair number same channels, data switch board 19, filtering circuit board 20, the temperature transmitter 9 identical with thermopair quantity, each thermopair is connected with each independently temperature transmitter 9 one end by wire 11, the other end of temperature transmitter 9 is connected with the independently filtering circuit on filtering circuit board 20 by the different passage on data switch board 19, described data switch board 19 comprises the resistance of the 10 Ω-100k Ωs identical with thermopair quantity, one end is connected with temperature transmitter 9 one end, the other end is connected with filtering circuit, described filtering circuit respectively from the different expanding channels on high-frequency data analog input card 1, USB interface 3 on high-frequency data analog input card 1 is stretched out panel box 14 and is connected with computer, described electric power system is that each components and parts in panel box are powered.
The quantity of described thermopair is that 20-40 props up, and is preferably 32.Thermopair is K type thermopair, and temperature measurement range is 0-1300 DEG C.Thermopair is connected with temperature transmitter by the compensating wire 11 with function of shielding, the described compensating wire 11 with function of shielding refers in the peripheral coated metal knitmesh of common compensating wire, prevents the electromotive force signal that outside electromagnetic interference compensating wire transmits.Described electric power system is in series with gauge tap 7 and power light 6, panel box is provided with cooling fan 13, each passage of data switch plate is provided with wire jumper.Described data switch plate 19 is outside equipped with data switch plate radome, the outer setting of high-frequency data analog input card 1 has high-frequency data analog input card radome, filtering circuit board 20 is provided with filtering circuit board radome in outside equally, and described panel box 14 is metal material.
Claims (10)
1. a high speed temperature measuring equipment, it is characterized in that, described high speed temperature measuring equipment comprises components and parts, electric power system and panel box (14), components and parts are arranged in panel box (14), described components and parts comprise: some thermopairs and 1 have at least with the high-frequency data analog input card (1) of thermopair number same channels, data switch board (19), filtering circuit board (20), the temperature transmitter (9) identical with thermopair quantity, each thermopair is connected with each independently temperature transmitter (9) one end by wire (11), the other end of temperature transmitter (9) is connected with the independently filtering circuit on filtering circuit board (20) by the different passage on data switch board (19), described data switch board (19) comprises the resistance of the 10 Ω-100k Ωs identical with thermopair quantity, one end is connected with temperature transmitter (9) one end, the other end is connected with filtering circuit, described filtering circuit respectively from the different expanding channels on high-frequency data analog input card (1), USB interface (3) on high-frequency data analog input card (1) is stretched out panel box (14) and is connected with computer, described electric power system is that each components and parts in panel box are powered.
2. high speed temperature measuring equipment as claimed in claim 1, it is characterized in that, the quantity of described thermopair is that 20-40 props up.
3. high speed temperature measuring equipment as claimed in claim 1, it is characterized in that, the quantity of described thermopair is 32.
4. the high speed temperature measuring equipment as described in claim 1-3, is characterized in that, described thermopair is K type thermopair, and temperature measurement range is 0-1300 DEG C.
5. high speed temperature measuring equipment as claimed in claim 1, it is characterized in that, described thermopair is connected with temperature transmitter by the compensating wire (11) with function of shielding, the described compensating wire (11) with function of shielding refers in the peripheral coated metal knitmesh of common compensating wire, prevents the electromotive force signal that outside electromagnetic interference compensating wire transmits.
6. high speed temperature measuring equipment as claimed in claim 1, is characterized in that, described electric power system is in series with gauge tap (7) and power light (6).
7. high speed temperature measuring equipment as claimed in claim 1, is characterized in that, described panel box (14) is provided with cooling fan (13).
8. high speed temperature measuring equipment as claimed in claim 1, is characterized in that, each passage of described data switch board (19) is provided with wire jumper.
9. high speed temperature measuring equipment as claimed in claim 1, it is characterized in that, described data switch plate (19) is outside equipped with data switch plate radome, the outer setting of high-frequency data analog input card 1 has high-frequency data analog input card radome, and filtering circuit board 20 is provided with filtering circuit board radome in outside equally.
10. high speed temperature measuring equipment as claimed in claim 1, it is characterized in that, described panel box 14 is metal material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510779892.4A CN105241566A (en) | 2015-11-13 | 2015-11-13 | High-speed temperature measurement device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510779892.4A CN105241566A (en) | 2015-11-13 | 2015-11-13 | High-speed temperature measurement device |
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| Publication Number | Publication Date |
|---|---|
| CN105241566A true CN105241566A (en) | 2016-01-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510779892.4A Pending CN105241566A (en) | 2015-11-13 | 2015-11-13 | High-speed temperature measurement device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107192468A (en) * | 2017-06-12 | 2017-09-22 | 中国航发哈尔滨东安发动机有限公司 | A kind of high acquisition rate temp measuring system of multichannel |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87208972U (en) * | 1987-06-11 | 1988-03-23 | 机械工业部北京机械工业自动化研究所 | Intelligent multi-channel temperature measurer |
| CN2106365U (en) * | 1991-08-20 | 1992-06-03 | 陈奚平 | Universal multi-channel temp. transmitter |
| JPH09218105A (en) * | 1996-02-15 | 1997-08-19 | Anritsu Keiki Kk | Measurement method for temperature distribution |
| CN1796950A (en) * | 2004-12-29 | 2006-07-05 | 中国科学院空间科学与应用研究中心 | Temperature acquisition system in multiple channels suitable to examination of microgravity liquid |
| CN201837478U (en) * | 2010-10-26 | 2011-05-18 | 重庆迪洋仪表有限责任公司 | Explosion proof type multi-point temperature measurement system |
-
2015
- 2015-11-13 CN CN201510779892.4A patent/CN105241566A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87208972U (en) * | 1987-06-11 | 1988-03-23 | 机械工业部北京机械工业自动化研究所 | Intelligent multi-channel temperature measurer |
| CN2106365U (en) * | 1991-08-20 | 1992-06-03 | 陈奚平 | Universal multi-channel temp. transmitter |
| JPH09218105A (en) * | 1996-02-15 | 1997-08-19 | Anritsu Keiki Kk | Measurement method for temperature distribution |
| CN1796950A (en) * | 2004-12-29 | 2006-07-05 | 中国科学院空间科学与应用研究中心 | Temperature acquisition system in multiple channels suitable to examination of microgravity liquid |
| CN201837478U (en) * | 2010-10-26 | 2011-05-18 | 重庆迪洋仪表有限责任公司 | Explosion proof type multi-point temperature measurement system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107192468A (en) * | 2017-06-12 | 2017-09-22 | 中国航发哈尔滨东安发动机有限公司 | A kind of high acquisition rate temp measuring system of multichannel |
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Application publication date: 20160113 |