CN201425517Y - Thermal reactor infrared detection device - Google Patents
Thermal reactor infrared detection device Download PDFInfo
- Publication number
- CN201425517Y CN201425517Y CN2008201767805U CN200820176780U CN201425517Y CN 201425517 Y CN201425517 Y CN 201425517Y CN 2008201767805 U CN2008201767805 U CN 2008201767805U CN 200820176780 U CN200820176780 U CN 200820176780U CN 201425517 Y CN201425517 Y CN 201425517Y
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- China
- Prior art keywords
- thermal reactor
- detection device
- infrared detection
- infrared detector
- thermal
- 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.)
- Expired - Fee Related
Links
- 238000001514 detection method Methods 0.000 title abstract description 20
- 230000003287 optical effect Effects 0.000 claims abstract description 39
- 239000011347 resin Substances 0.000 claims abstract description 14
- 229920005989 resin Polymers 0.000 claims abstract description 14
- 229910052751 metal Inorganic materials 0.000 claims abstract description 13
- 239000002184 metal Substances 0.000 claims abstract description 13
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 35
- 229910052710 silicon Inorganic materials 0.000 claims description 35
- 239000010703 silicon Substances 0.000 claims description 35
- 229910052782 aluminium Inorganic materials 0.000 abstract description 9
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract description 9
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 abstract description 8
- 229910052802 copper Inorganic materials 0.000 abstract description 8
- 239000010949 copper Substances 0.000 abstract description 8
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 238000009413 insulation Methods 0.000 abstract description 3
- 239000000463 material Substances 0.000 abstract description 3
- 239000007769 metal material Substances 0.000 abstract description 3
- 150000002739 metals Chemical class 0.000 abstract description 2
- 230000000630 rising effect Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 15
- 238000010438 heat treatment Methods 0.000 description 9
- 239000004411 aluminium Substances 0.000 description 8
- 230000008020 evaporation Effects 0.000 description 8
- 238000001704 evaporation Methods 0.000 description 8
- 229920001903 high density polyethylene Polymers 0.000 description 7
- 239000004700 high-density polyethylene Substances 0.000 description 7
- 239000011248 coating agent Substances 0.000 description 6
- 238000000576 coating method Methods 0.000 description 6
- 238000013461 design Methods 0.000 description 6
- 230000033228 biological regulation Effects 0.000 description 4
- 239000004593 Epoxy Substances 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000007767 bonding agent Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 238000009529 body temperature measurement Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Images
Classifications
-
- 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
- G01J5/02—Constructional details
- G01J5/027—Constructional details making use of sensor-related data, e.g. for identification of sensor parts or optical elements
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/68—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using thermal effects
- G01F1/684—Structural arrangements; Mounting of elements, e.g. in relation to fluid flow
- G01F1/688—Structural arrangements; Mounting of elements, e.g. in relation to fluid flow using a particular type of heating, cooling or sensing element
- G01F1/6888—Thermoelectric elements, e.g. thermocouples, thermopiles
-
- 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
- G01J5/02—Constructional details
- G01J5/08—Optical arrangements
- G01J5/0806—Focusing or collimating elements, e.g. lenses or concave mirrors
-
- 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
- G01J5/10—Radiation pyrometry, e.g. infrared or optical thermometry using electric radiation detectors
- G01J5/12—Radiation pyrometry, e.g. infrared or optical thermometry using electric radiation detectors using thermoelectric elements, e.g. thermocouples
-
- 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
- G01J5/10—Radiation pyrometry, e.g. infrared or optical thermometry using electric radiation detectors
- G01J5/12—Radiation pyrometry, e.g. infrared or optical thermometry using electric radiation detectors using thermoelectric elements, e.g. thermocouples
- G01J2005/123—Thermoelectric array
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Fluid Mechanics (AREA)
- Radiation Pyrometers (AREA)
- Geophysics And Detection Of Objects (AREA)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
Abstract
In the thermal reactor infrared detection device, in order to improve the detected temperature accuracy when environmental temperature changes, materials with high thermal conductivity, aluminum, copper or other metal materials are installed on the thermal reactor infrared detection device as radiator with the purpose of increasing heat capacity, and the processing need to be implemented accordingto the purpose shape, and the operability of the loading of thermal reactor infrared detection device need to be supplemented, which becomes the main reason for the rising costs of the thermal reactor infrared detection device itself. The utility model is characterized in that through the front shell opening of the thermal reactor sensor field range of the shell or cover that deposits thermal reactor infrared detection device and is constituted by resins and metals, the flat optical filters with low infrared absorptivity are installed on the front of the thermal reactor infrared detection device, by using the thermal insulation caused by the air layer, to improve the detected temperature accuracy when environmental temperature changes.
Description
Technical field
The utility model relates to the thermal reactor type infrared detector with silicon optical filter or silicon lens.
Background technology
The detected temperatures precision of employed in the past general thermal reactor type infrared detector during for the variation of ambient temperature around improving, by making thermal reactor type infrared detector possess the thermal capacitance that the heating radiator that is made of aluminium, copper etc. increases thermal reactor type infrared detector, for variation of ambient temperature on every side, improve the detected temperatures precision by the temperature variation that suppresses thermal reactor type infrared detector.
In addition, be characterised in that as additive method, possess lid or optical filter that the high density polyethylene by the infrared ray projectiveness constitutes in the front of thermal reactor type infrared detector, the insulation effect that utilization is caused by the inner air layer of lid suppresses the temperature variation of thermal reactor type infrared detector, contact with lid that constitutes by high density polyethylene or optical filter by the thermistor that the thermistor used with self the temperature thermometric that carries is possessed in addition and to carry out thermometric, the detected temperatures of thermal reactor type infrared detector is revised.
In the prior art, owing to using metal materials such as the high material of heat conductance, aluminium or copper with the purpose of the thermal capacitance that increases thermal reactor type infrared detector and possess, therefore become the main cause that the cost of thermal reactor type infrared detector rises as heating radiator.
Fig. 3 represents the existing stravismus direction skeleton diagram that possesses the thermal reactor type infrared detector of the heating radiator that is made of aluminium etc.For installing component,, omits in figure owing to becoming miscellaneous.Fig. 4 represents internal cross section structure skeleton diagram.
Detected temperatures precision when improving the variation of ambient temperature around the thermal reactor type infrared detector, the metal heating radiator that is made of aluminium or copper that utilizes thermal reactor type infrared detector to possess increases thermal capacitance, use the high metal material of heat conductance, thereby the temperature variation that suppresses thermal reactor type infrared detector self, and the temperature inequality of inhibition thermal reactor type infrared detector self, carry out as countermeasure with this.
Yet, the metal heating radiator that constitutes by aluminium or copper since material from high as heat conductance and have scarcity value metal, need implement to process and will append the operability of packing into that is used to carry at thermal reactor type infrared detector according to the purpose shape, therefore cause the cost of thermal reactor type infrared detector self to rise.
On the other hand, Fig. 5 represents existing high density polyethylene system lid and the thermometric skeleton diagram of the thermal reactor type infrared detector of thermistor mounting type.
In this technology,, therefore also cause the cost rising of thermal reactor type infrared detector self owing to thermometric need be set in addition with thermistor and will append the operability of packing into that is used to be arranged on thermal reactor type infrared detector.
The utility model content
The detected temperatures precision of the utility model when improving the variation of ambient temperature around the thermal reactor type infrared detector, abolished the thermometric structure in the thermistor of the setting of the metal heating radiator that constitutes by aluminium or copper and lid that constitutes by the high density polyethylene of infrared ray projectiveness or optical filter, and it is characterized in that, store by thermal reactor type infrared detector being used in shell that constitutes by resin or metal and the cover that peristome possesses the silicon optical filter, with the variation of ambient temperature influence of air layer lagging casing outside.And, it is characterized in that the silicon optical filter not only can use and do not have apply the planar silicon optical filter, can also use and append 5 μ m cutting and apply that characteristic, 8～14 μ m band are logical to apply the silicon optical filter that evaporation that characteristic or antireflection evaporation apply characteristic etc. applies characteristic.Promptly, a kind of thermal reactor type infrared detector of the present utility model, possess silicon optical filter or silicon plano-convex lens, it is characterized in that possessing the low silicon optical filter of infrared ray absorbing rate in the shell and front shell aperture portion cover, thermal reactor sensor field of view scope that constitute by resin or metal that store thermal reactor type infrared detector.
The utlity model has following effect.
The utility model is in thermal reactor type infrared detector, by possessing the shell and the cover that constitute by resin or metal of storage thermal reactor type infrared detector, and possesses the silicon optical filter in shell aperture portion, the detected temperatures precision in the time of can improving the variation of ambient temperature around the thermal reactor type infrared detector.
And, having appended the silicon optical filter that evaporation applies characteristic by use, in the extraneous interference of the strong visible light energy of upset light, headlight etc. such as sunshine etc., can block.
In addition,, perhaps can eliminate high density polyethylene system lid and thermometric thermistor, can reduce cost by eliminating the metal heating radiator that constitutes by aluminium or copper.
Description of drawings
Fig. 1 is that the front shell aperture portion inboard in the thermal reactor sensor field of view scope of the shell that is made of resin of storage thermal reactor sensor type infra-red ray detection device and cover as the most basic embodiment of the present utility model possesses the stravismus direction skeleton diagram that does not have the mode that applies the planar silicon optical filter.
Fig. 2 is the internal structure cut-open view of Fig. 1.
Fig. 3 is the stravismus direction skeleton diagram of the thermal reactor sensor type infra-red ray detection device of existing heating radiator mounting type.
Fig. 4 is the internal structure cut-open view of Fig. 3.
Fig. 5 is the existing stravismus direction skeleton diagram that possesses the thermal reactor sensor type infra-red ray detection device of high density polyethylene system lid and thermometric usefulness thermistor.
Fig. 6 is the stravismus direction skeleton diagram that possesses the mode of not having coating planar silicon optical filter in the shell aperture portion outside as other embodiment of the present utility model.
Fig. 7 is the internal structure skeleton diagram of Fig. 6.
Fig. 8 is the pattern skeleton diagram that the surveyed area of the institute's projection in the thermal-stacking infrared monitor distributes.
Fig. 9 possesses the caused infrared ray refraction of optically flat filter skeleton diagram.
Temperature when Figure 10 is variation of ambient temperature is followed the tracks of and is confirmed curve.
Among the figure:
The 1-resin enclosure, 2-resin cover, 3-resin enclosure peristome, 4-does not have the planar silicon of coating optical filter, and the 5-epoxy is a bonding agent, and 6-does not have the plano-convex of coating silicon lens, 7-metal CAN shell, the 8-end plate, 9-thermal reactor chip, 10-lead-in wire, the 11-PCB substrate, the 12-connector, the heat insulation layer that 13-is formed by air, 14-metallic heating radiator, 15-high density polyethylene system lid, 16-thermometric thermistor, the thermal reactor type infrared detector that 17-2 detects in the zone, the surveyed area of 18-institute projection, light when 19-does not have optically flat filter, light when 20-has optically flat filter, the detected temperatures curve of the thermal reactor sensor type infra-red ray detection device that 21-is general, 22-have been implemented the detected temperatures curve of the thermal reactor sensor type infra-red ray detection device of embodiment 1
Embodiment
The utility model is in the thermal reactor type infrared detector that possesses silicon optical filter or silicon plano-convex lens, the thermal reactor type infrared detector of following shape is provided, and promptly the front openings portion in the thermal reactor sensor field of view scope of the shell that is made of resin or metal of storage thermal reactor type infrared detector and cover possesses the silicon optical filter.As thermal reactor type infrared detector, expression stravismus direction skeleton diagram in Fig. 1.Expression internal cross section structure skeleton diagram in Fig. 2.
Below utilize embodiment to describe the utility model in detail.Fig. 1 is the most basic embodiment of the present utility model, and the front shell aperture portion inboard that is illustrated in the thermal reactor sensor field of view scope of the shell that is made of resin of storage thermal reactor sensor type infra-red ray detection device and cover possesses does not have the mode that applies the planar silicon optical filter.Fig. 2 represents internal cross section structure skeleton diagram.
In the present embodiment, use will utilize object view field to stipulate the optical filter or the plano-convex lens that are made of silicon etc. that guides by optical design to the infrared detection zone of the infrared ray amount of incident of hot core sheet, above-mentioned thermal reactor chip is by accepting the infrared radiation amount that infrared ray can the determination object thing and detecting the temperature of object, by with possess and will have the metallic CAN shell of infrared ray projection window, the front portion of the thermal reactor type infrared detector that the end plate of the lead terminal that the thermal reactor chip is electrically connected constitutes for the thermal reactor sensor of the ordinary construction that prevents to make sealing from the environmental change and the electromagnetism obstacle of outside together, utilizing epoxy is that the bonding agent nothing that the infrared ray absorbing rate is low applies optically flat filter and is adhesively fixed on the resin system shell.
And, use the shell and the cover that constitute by resin in the present embodiment, but also can use for example metals such as aluminium, copper, iron.
In addition, used nothing to apply the planar silicon optical filter in the present embodiment, but also can be that for example 5 μ m cutting evaporation coating planar silicon optical filter, 5.5 μ m cutting evaporation coating planar silicon optical filter, 6.5 μ m cutting evaporation apply the planar silicon optical filter, 8～14 μ m are with logical evaporation coating planar silicon optical filter, antireflection evaporation to apply the planar silicon optical filter.
Also have, in the embodiment in figure 1, there is not the square that is shaped as that applies the planar silicon optical filter, but, also can be circle, rectangle, hexagon as long as this is the planar silicon optical filter that does not hinder the optical design of the silicon plano-convex lens that the infrared detection zone that utilizes object view field regulation guides by optical design.
In pack into the occasion of temperature measurement equipment of thermal reactor type infrared detector, usually according to each purposes in that the angle with the regulation of looking into the distance the object face keeps using from the position of determination object face specified altitude.Fig. 8 carries out the pattern skeleton diagram that the surveyed area of projection distributes with being provided with in certain regulation that the position has the infrared detection zone at two places and being provided with the thermal reactor type infrared detectors that 2 zones of carrying out the thermal reactor chip that optical design arranges detect in the position as the surveyed area of institute's projection at desirable infrared detection area test face.
In addition, as thermal reactor type infrared detector, be not only the thermal reactor chips that above-mentioned 2 zones of infrared radiation amount that can the determination object thing and the temperature that detects object are detected, and at the independent type thermal reactor type infrared detector of infrared ray light accepting part with an element, picture is arranged in the infrared ray light accepting part thermal reactor array infra-red ray detection device of the tandem type of wire, the temperature monitoring that the infrared ray light accepting part is arranged in the thermal reactor matrix form infra-red ray detection device of rectangular matrix type has in the multicomponent type thermal reactor type infrared detector of infrared ray light accepting part of 1～16 element like that, also can similarly in the distribution of each surveyed area of projection, possess the selectivity of infrared ray projected area with the utility model keeping.
Fig. 9 is each ray plot that does not have occasion that applies the planar silicon optical filter and the occasion that does not possess possessing.When utilizing the optical design of object view field regulation, need consider not possess in front the optical design of light and the difference of the light that possesses the refraction of not having the occasion that applies the planar silicon optical filter in front of the occasion of optically flat filter.
Figure 10 is the curve map of the detected temperatures of the ambient temperature of the thermal reactor type infrared detector of the mode used in embodiment 1 when changing.
In the comparison of the detected temperatures curve of the thermal reactor type infrared detector before the detected temperatures curve of the thermal reactor type infrared detector of variation of ambient temperature aircraft pursuit course, the temperature curve that is arranged on the thermal source of thermal reactor type infrared detector front, embodiment 1, the enforcement embodiment 1, confirm the raising that has obtained the detected temperatures performance around.This with the comparison of prior art in also to confirm the detected temperatures performance identical.
Fig. 6 has carried the figure that does not have the mode that applies the planar silicon optical filter outside the front shell aperture portion of the thermal reactor sensor field of view scope of the shell that is made of resin of embodiment 1 employed storage thermal reactor sensor type infra-red ray detection device and cover.Fig. 7 represents internal cross section structure skeleton diagram.
Also can obtain the infrared ray projected area same in the present embodiment, and also the detected temperatures curve with the thermal reactor type infrared detector of the embodiment 1 of Figure 10 is identical also to confirm the detected temperatures performance with Fig. 8 of embodiment 1.
Claims (1)
1. thermal reactor type infrared detector, possess silicon optical filter or silicon plano-convex lens, it is characterized in that possessing the low silicon optical filter of infrared ray absorbing rate in the shell and front shell aperture portion cover, thermal reactor sensor field of view scope that constitute by resin or metal that store thermal reactor type infrared detector.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2008125928 | 2008-05-13 | ||
| JP2008125928A JP2009276126A (en) | 2008-05-13 | 2008-05-13 | Thermopile infrared detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201425517Y true CN201425517Y (en) | 2010-03-17 |
Family
ID=41363853
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2008101795674A Pending CN101581605A (en) | 2008-05-13 | 2008-12-04 | Thermal reactor type infrared detector |
| CN2008201767805U Expired - Fee Related CN201425517Y (en) | 2008-05-13 | 2008-12-04 | Thermal reactor infrared detection device |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2008101795674A Pending CN101581605A (en) | 2008-05-13 | 2008-12-04 | Thermal reactor type infrared detector |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP2009276126A (en) |
| KR (1) | KR20090118810A (en) |
| CN (2) | CN101581605A (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5404548B2 (en) | 2010-07-26 | 2014-02-05 | 三菱電機株式会社 | Air conditioner |
| JP5736906B2 (en) * | 2011-03-30 | 2015-06-17 | 三菱マテリアル株式会社 | Infrared sensor |
| JP5465288B2 (en) * | 2012-08-08 | 2014-04-09 | Ｎｅｃトーキン株式会社 | Infrared sensor |
| CN104792422B (en) * | 2015-03-13 | 2019-09-10 | 康凯 | A kind of temperature measuring equipment and method |
| CN104764534A (en) * | 2015-03-13 | 2015-07-08 | 东莞捷荣技术股份有限公司 | Temperature measurement device and method capable of shortening temperature measurement time |
| CN104764535A (en) * | 2015-03-13 | 2015-07-08 | 东莞捷荣技术股份有限公司 | Temperature measuring device and intelligent milk bottle sleeve |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0259447U (en) * | 1988-10-24 | 1990-05-01 | ||
| JP2005195435A (en) * | 2004-01-06 | 2005-07-21 | Nippon Ceramic Co Ltd | Noncontact type temperature detector |
-
2008
- 2008-05-13 JP JP2008125928A patent/JP2009276126A/en active Pending
- 2008-11-06 KR KR1020080110047A patent/KR20090118810A/en not_active Application Discontinuation
- 2008-12-04 CN CNA2008101795674A patent/CN101581605A/en active Pending
- 2008-12-04 CN CN2008201767805U patent/CN201425517Y/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN101581605A (en) | 2009-11-18 |
| KR20090118810A (en) | 2009-11-18 |
| JP2009276126A (en) | 2009-11-26 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100317 Termination date: 20141204 |
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| EXPY | Termination of patent right or utility model |