CN202177458U - Dual-wavelength infrared thermometer - Google Patents
Dual-wavelength infrared thermometer Download PDFInfo
- Publication number
- CN202177458U CN202177458U CN2011202979386U CN201120297938U CN202177458U CN 202177458 U CN202177458 U CN 202177458U CN 2011202979386 U CN2011202979386 U CN 2011202979386U CN 201120297938 U CN201120297938 U CN 201120297938U CN 202177458 U CN202177458 U CN 202177458U
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- China
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- optical filter
- electrically connected
- swiveling wheel
- infrared thermometer
- wavelength infrared
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Abstract
The utility model provides a dual-wavelength infrared thermometer which comprises a processing system, a signal collection system and a motor control system, wherein the signal collection system and the motor control system are respectively connected with the processing system in an electric manner. The signal collection system comprises optical filters, a lens disposed in front of the optical filters, an infrared sensor arranged behind the optical filters, and a signal processing module electrically connected with the infrared sensor. The motor control system comprises a control module, a motor electrically connected with the control module, and a rotating wheel fixed on the output shaft of the motor. The optical filters are fixed on the rotating wheel, and at least two optical filters are provided. The beneficial effects of the utility model are that uncertain factors during measurement are eliminated and the measuring precision is improved.
Description
Technical field
The utility model relates to the Non-contact Infrared Temperature Measurement appearance, especially relates to a kind of dual wavelength infrared thermometer.
Background technology
Noncontact IR survey technology has solved many commercial measurements field and has share the insurmountable problem of contact equipment; Anti-electromagnetic interference (EMI) very competent; Show excellent characteristic at measurement high temperature, the target of motion, High-Voltage Electrical Appliances, harmful aspects such as environment, be widely used in industries such as casting, steel rolling, electric power, coking, chemical industry, glass, welding, thermal treatment, Production of Ceramics, powder metallurgy, wire production, hot pressed sintering, medium-high frequency induction heating.
Existing measuring equipment generally is the temperature that adopts temperature measurer Measuring Object surface outside the Shan Hong, and does not contact with object, and the infrared energy that its principle of work is based on the radiation of object institute becomes certain functional relation with the temperature of object itself.The same with camera; Temperature measurer is collected the infrared-ray of measured target emission through optical system, and the energy focusing of these rays converts the output signal that the intensity with emittance changes on infrared eye; After this signal and is handled the integrated circuit analysis of temperature measurer; Become corresponding temperature information and be presented on the digital display meter, perhaps convert the output signal with the linear variation of temperature to, be input to computing machine, controller or miscellaneous equipment and be used for process monitoring and control.Because tested object is a grey body; With black matrix very big difference is arranged; Making that there is certain error in temperature measurer on measurement result outside the Shan Hong, is emissivity and cause main error, because emissivity receives the restriction of in-site measurement condition; Can not be a constant numerical value, so just cause measurement result inaccurate.
Summary of the invention
The purpose of the utility model provides a kind of dual wavelength infrared thermometer of eliminating uncertain factor in the measuring process, improving measuring accuracy.
The technical scheme of the utility model is:
A kind of dual wavelength infrared thermometer comprises disposal system, the signal acquiring system and the electric machine control system that are electrically connected with said disposal system respectively,
Said signal acquiring system comprises optical filter, is positioned over the lens in said optical filter the place ahead, is positioned over the infrared sensor at said optical filter rear, the signal processing module that is electrically connected with said infrared sensor,
Said electric machine control system comprise control module, with the motor that said control module is electrically connected, be fixed on the swiveling wheel on the said motor output shaft,
Said optical filter is fixed on the said swiveling wheel, and said optical filter is at least two.
Further, said swiveling wheel is provided with some breach,
Further, also comprise the position detecting module that is electrically connected with said disposal system, said position detecting module is installed in said swiveling wheel one side, be used for judging the initial location of said swiveling wheel and the position of said optical filter through detecting the breach on the swiveling wheel,
Further, said position detecting module is an optoelectronic switch,
Further, also comprise the man-machine interface that is electrically connected with said disposal system, said man-machine interface is display and keyboard.
Advantage and the good effect that the utlity model has are:
Higher precision: the emissivity that compensates the grey body material automatically changes;
Higher reliability: the dilution of signals tolerance that industrial circle is leading has reduced the requirement for accurate aligning, has improved in target energy and has been disturbed the measuring accuracy under the rugged surroundings of medium.
Description of drawings
Fig. 1 is the structural representation of the utility model.
Among the figure:
1, disposal system 2, optical filter 3, lens
4, infrared sensor 5, signal processing module 6, control module
7, motor 8, swiveling wheel 9, breach
10, position detecting module 11, display 12, keyboard
Embodiment
As shown in Figure 1, the utility model comprises disposal system 1, the signal acquiring system, electric machine control system, position detecting module 10, display 11 and the keyboard 12 that are electrically connected with said disposal system 1 respectively,
Said signal acquiring system comprises optical filter 2, is positioned over the lens 3 in said optical filter 2 the place aheads, is positioned over the infrared sensor 4 at said optical filter 2 rears, the signal processing module 5 that is electrically connected with said infrared sensor 4, and infrared energy is assembled through lens 3, passes through optical filter 2 again; Get into infrared sensor 4; Gained signal entering signal processing module 5 is amplified the back and is kept by its inner sampling holder S/H, is then changed by A/D; Get into disposal system 1
Said electric machine control system comprises control module 6, the motor 7 that is electrically connected with said control module; Be fixed on the swiveling wheel 8 on said motor 7 output shafts; Disposal system 1 output control signal, through control module 2, drive motor 7 makes swiveling wheel 8 smooth rotation; The infrared energy that object is launched on two adjacent wavelength is provided for infrared sensor 4
Said optical filter 2 is fixed on the said swiveling wheel 8, and said optical filter 2 is four, and said swiveling wheel 8 is provided with some breach 9,
Swiveling wheel 8 through rotating provides the infrared energy that Measuring Object is launched on two adjacent wavelength, calculates the ratio of these two energy then, to confirm the temperature of body surface.For the grey body material, its emissivity is a constant factor on two wavelength, therefore in the molecule of temperature survey radiometer formula and the cancellation simultaneously of the emissivity parameter in the denominator.Like this, the emissivity factor is eliminated for the influence of temperature survey process, the precision of the measurement that improves greatly.
More than the embodiment of the utility model is specified, but said content is merely the preferred embodiment of the utility model, can not be considered to be used to limit the practical range of the utility model.All equalizations of doing according to the utility model application range change and improve etc., all should still belong within the patent covering scope of the utility model.
Claims (5)
1. dual wavelength infrared thermometer is characterized in that: comprise disposal system, and the signal acquiring system and the electric machine control system that are electrically connected with said disposal system respectively,
Said signal acquiring system comprises optical filter, is positioned over the lens in said optical filter the place ahead, is positioned over the infrared sensor at said optical filter rear, the signal processing module that is electrically connected with said infrared sensor,
Said electric machine control system comprise control module, with the motor that said control module is electrically connected, be fixed on the swiveling wheel on the said motor output shaft,
Said optical filter is fixed on the said swiveling wheel, and said optical filter is at least two.
2. a kind of dual wavelength infrared thermometer according to claim 1, it is characterized in that: said swiveling wheel is provided with some breach.
3. a kind of dual wavelength infrared thermometer according to claim 2; It is characterized in that: also comprise the position detecting module that is electrically connected with said disposal system; Said position detecting module is installed in said swiveling wheel one side; Be used for judging the initial location of said swiveling wheel and the position of said optical filter through detecting the breach on the swiveling wheel.
4. a kind of dual wavelength infrared thermometer according to claim 3 is characterized in that: said position detecting module is an optoelectronic switch.
5. a kind of dual wavelength infrared thermometer according to claim 1 is characterized in that: also comprise the man-machine interface that is electrically connected with said disposal system, said man-machine interface is display and keyboard.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202979386U CN202177458U (en) | 2011-08-16 | 2011-08-16 | Dual-wavelength infrared thermometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202979386U CN202177458U (en) | 2011-08-16 | 2011-08-16 | Dual-wavelength infrared thermometer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202177458U true CN202177458U (en) | 2012-03-28 |
Family
ID=45867334
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202979386U Expired - Lifetime CN202177458U (en) | 2011-08-16 | 2011-08-16 | Dual-wavelength infrared thermometer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202177458U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107346087A (en) * | 2017-05-31 | 2017-11-14 | 南京理工大学 | Built-in rotating disc type filter plate switching device for white light interference imaging |
| CN107433378A (en) * | 2017-08-18 | 2017-12-05 | 湖南军成科技有限公司 | A kind of welding control system and method |
| CN107498131A (en) * | 2017-08-18 | 2017-12-22 | 湖南军成科技有限公司 | A kind of welding temperature adjusting method and system |
-
2011
- 2011-08-16 CN CN2011202979386U patent/CN202177458U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107346087A (en) * | 2017-05-31 | 2017-11-14 | 南京理工大学 | Built-in rotating disc type filter plate switching device for white light interference imaging |
| CN107433378A (en) * | 2017-08-18 | 2017-12-05 | 湖南军成科技有限公司 | A kind of welding control system and method |
| CN107498131A (en) * | 2017-08-18 | 2017-12-22 | 湖南军成科技有限公司 | A kind of welding temperature adjusting method and system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120328 |
|
| CX01 | Expiry of patent term |