CN207248354U - A kind of infrared radiation thermometer of the double-colored changeable thermometric of list - Google Patents
A kind of infrared radiation thermometer of the double-colored changeable thermometric of list Download PDFInfo
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- CN207248354U CN207248354U CN201721174581.6U CN201721174581U CN207248354U CN 207248354 U CN207248354 U CN 207248354U CN 201721174581 U CN201721174581 U CN 201721174581U CN 207248354 U CN207248354 U CN 207248354U
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- infrared radiation
- radiation thermometer
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Abstract
It the utility model is related to a kind of infrared radiation thermometer of the double-colored changeable thermometric of list, black glass optical filter, focus lens group, diaphragm for eliminating stray light, switch and infrared detector are equipped with successively along the direction of incident light, double optical filters and Power Component are installed inside switch, the arrowband film of different wave length is coated with two optical filters respectively, Power Component is used for switching of two optical filters when working in light path.The utility model by IR CUT switch operation principle, switching when working for monochromatic measurement and two optical filters of double-colored measurement is realized by electromagnet assembly, double light path need not be built, double-colored thermometric can be achieved without using double base detector, the difficulty of light path adjustment technique is not only reduced, also so that manufacture cost declines to a great extent；The utility model also sets black glass optical filter to suppress band stray light in the front end of light path, can further reduce the plated film difficulty of dichroic filter and reduce coating cost.
Description
Technical field
A kind of infrared radiation thermometer is the utility model is related to, is specifically a kind of infrared radiation thermometer of the double-colored changeable thermometric of list,
Belong to infrared temperature-test technology field.
Background technology
Infrared radiation thermometer is common thermometric instruments, is had a wide range of applications in daily life.At present on the market
Infrared radiation thermometer generally use monochromatic measurement method（Total radiation measures）Or use double-colored mensuration（Colorimetric measurement）.The former is sharp
With Planck blackbody radiation law, amount of infrared radiation and body surface temperature are connected, temperature value counter is pushed away with this；The latter is then
Using amount of radiation and the object emission rate of two wave bands it is assumed that by amount of radiation ratio and target surface temperature opening relationships formula,
And obtain temperature value.Both respectively have quality, and use occasion is different.
Aperture blocking, the uncertain influence of emissivity are vulnerable to using the infrared radiation thermometer of monochromatic measurement method；Using double-colored
Then sensitiveness is stronger for the infrared radiation thermometer of mensuration, and obtained result uncertainty is larger.For these problems, it is existing on the market
The infrared radiation thermometer of sale and the infrared radiation thermometer for scientific research, otherwise multispectral survey is used, or using laser measurement
The methods of reflectivity, is solved.But above-mentioned these methods are complex, technique is higher with cost.Therefore, sell on the market
Infrared radiation thermometer is divided into monochromatic measurement temperature measurer and double-colored measurement temperature measurer by the most products sold, and Two-color Measure Thermometer into
This more monochromatic temperature measurer is height.
Utility model content
In view of above-mentioned the deficiencies in the prior art, the utility model provides one kind and has monochromatic thermometric and double-colored survey concurrently
The infrared radiation thermometer of warm pattern, and selection can be switched between two kinds of thermometric patterns according to being actually needed, effectively drop
The manufacture cost of low product and user buy the input cost of instrument.
To achieve these goals, technical solution is used by the utility model：
A kind of infrared radiation thermometer of the double-colored changeable thermometric of list, black glass is included along the direction of incident light and is filtered successively
Piece, focus lens group, diaphragm for eliminating stray light, switch and infrared detector, double optical filters and power are provided with inside switch
Component, the arrowband film of different wave length is coated with two optical filters respectively, and Power Component works for two optical filters in light path
When switching.
The switch is electromagnet switch, and Power Component is switched over using electromagnet assembly.
The black glass optical filter is edge filter before 800nm.
The black glass optical filter is used is presented black in visible light wave range, and transparent coloured glass is presented in infrared band
Glass type optical filter.
The focus lens group is formed by two panels lens gluing.
The utility model by IR-CUT switch operation principle, by electromagnet assembly realize be used for monochromatic measurement and
Switching during two optical filters work of double-colored measurement, without building double light path, can be achieved without using double base detector
Double-colored thermometric, not only reduces the difficulty of light path adjustment technique, also so that manufacture cost declines to a great extent；The utility model is also in light
The front end on road sets black glass optical filter to suppress band stray light, can further reduce the plated film of dichroic filter
Difficulty and reduction coating cost.
The utility model is further elaborated below by way of the drawings and specific embodiments.
Brief description of the drawings：
Fig. 1 forms structure diagram for Tthe utility model system；
Fig. 2 is the internal structure schematic diagram of the utility model.
Embodiment：
The utility model provides a kind of infrared radiation thermometer of the double-colored changeable thermometric of list, its main composition such as Fig. 1 and Fig. 2
It is shown, include black glass optical filter 1, the focus lens group formed by two panels lens gluing successively in the direction along incident light
2nd, diaphragm for eliminating stray light 3, switch 4 and infrared detector 5, wherein, infrared detector 5 is installed on circuit board 6.Black glass
Optical filter 1 as the first element in light path, can coordinate dichroic filter inside switch 4 jointly to band stray light into
Row suppresses.Therefore, black glass optical filter 1 uses edge filter before 800nm, i.e.,：Black is presented in visible light wave range, red
Transparent coloured glass type optical filter is presented in wave section.
Black glass optical filter 1 is arranged on to the front end of light path, it is possible to reduce subsequently to two of the installation of the inside of switch 4
The difficulty of optical filter coating, without plating arrowband cut-off membrane system deeply in thicker substrate, and need to only use thin slice as optical filter
Substrate, and be coated with two optical filters inside switch 4 the arrowband film of different wave length respectively, reduce coating process
Difficulty and coating cost.
And realize the switch 4 switched between monochromatic thermometric and double-colored thermometric pattern then by IR- of the prior art
The principle of CUT switch, the optical filter for being coated with different wave length by two is installed on inside switch 4, and uses electromagnet assembly
It is arranged on as the Power Component for realizing switching action on electromagnet switch 4.When user needs to enable monochromatic thermometric pattern
When, electromagnet assembly can remove another optical filter inside switch 4, there was only the list of a certain wave band in light path at this time
Colo(u)r filter is working；When user needs to enable double-colored thermometric pattern, two inside switch 4 optical filter is located at this time
Work in light path.
The utility model realizes cutting between monochromatic thermometric and double-colored thermometric pattern in same light path by switch 4
Change, without needing by building double light path and to realize double-colored temp sensing function using double base detector in the prior art, not only drop
The low technology difficulty of light path adjustment, also various aspects reduce the manufacture cost of infrared radiation thermometer.Meanwhile user only needs to buy
One equipment, you can meet the thermometric demand in different occasions, also reduce input cost of the user in equipment.This practicality is new
Type is suitable for lower temperature sample frequency and the occasion of cost-sensitive uses.
Above example is merely intended for describing the technical solutions of the present application, but not for limiting the present application, those of ordinary skill in the art couple
Other modifications or equivalent substitution that the technical solution of the utility model is made, without departing from technical solutions of the utility model
Spirit and scope, should all cover in the right of the utility model.
Claims (6)
- A kind of 1. infrared radiation thermometer of the double-colored changeable thermometric of list, it is characterised in that：Include black successively along the direction of incident light Glass filter, focus lens group, diaphragm for eliminating stray light, switch and infrared detector, double optical filterings are provided with inside switch Piece and Power Component, the arrowband film of different wave length is coated with two optical filters respectively, and Power Component is used for two optical filters in light Switching when working on road.
- A kind of 2. infrared radiation thermometer of the double-colored changeable thermometric of list according to claim 1, it is characterised in that：The switching Device is electromagnet switch, and Power Component is switched over using electromagnet assembly.
- A kind of 3. infrared radiation thermometer of the double-colored changeable thermometric of list according to claim 1 or 2, it is characterised in that：It is described Black glass optical filter is edge filter before 800nm.
- A kind of 4. infrared radiation thermometer of the double-colored changeable thermometric of list according to claim 1 or 2, it is characterised in that：It is described Black glass optical filter is used is presented black in visible light wave range, and transparent coloured glass type optical filter is presented in infrared band.
- A kind of 5. infrared radiation thermometer of the double-colored changeable thermometric of list according to claim 1 or 2, it is characterised in that：It is described Focus lens group is formed by two panels lens gluing.
- A kind of 6. infrared radiation thermometer of the double-colored changeable thermometric of list according to claim 3, it is characterised in that：The black Glass filter is used is presented black in visible light wave range, and transparent coloured glass type optical filter is presented in infrared band, described Focus lens group is formed by two panels lens gluing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721174581.6U CN207248354U (en) | 2017-09-14 | 2017-09-14 | A kind of infrared radiation thermometer of the double-colored changeable thermometric of list |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721174581.6U CN207248354U (en) | 2017-09-14 | 2017-09-14 | A kind of infrared radiation thermometer of the double-colored changeable thermometric of list |
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| CN207248354U true CN207248354U (en) | 2018-04-17 |
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| CN201721174581.6U Active CN207248354U (en) | 2017-09-14 | 2017-09-14 | A kind of infrared radiation thermometer of the double-colored changeable thermometric of list |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109100023A (en) * | 2018-08-13 | 2018-12-28 | 烟台艾睿光电科技有限公司 | A kind of tripper, infrared thermal imager movement and infrared thermal imager |
| CN109963086A (en) * | 2018-07-30 | 2019-07-02 | 华为技术有限公司 | Be time-multiplexed light filling imaging device and method |
| CN113639874A (en) * | 2021-08-27 | 2021-11-12 | 长春工业大学 | On-line infrared measuring device and method for melt temperature in vacuum furnace |
-
2017
- 2017-09-14 CN CN201721174581.6U patent/CN207248354U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109963086A (en) * | 2018-07-30 | 2019-07-02 | 华为技术有限公司 | Be time-multiplexed light filling imaging device and method |
| WO2020024623A1 (en) * | 2018-07-30 | 2020-02-06 | 华为技术有限公司 | Time-division-multiplexing-based light-supplementing imaging apparatus and method |
| US11470262B2 (en) | 2018-07-30 | 2022-10-11 | Huawei Technologies Co., Ltd. | Time division multiplexing fill light imaging apparatus and method |
| CN109100023A (en) * | 2018-08-13 | 2018-12-28 | 烟台艾睿光电科技有限公司 | A kind of tripper, infrared thermal imager movement and infrared thermal imager |
| CN113639874A (en) * | 2021-08-27 | 2021-11-12 | 长春工业大学 | On-line infrared measuring device and method for melt temperature in vacuum furnace |
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