CN206787724U - A kind of photoelectric sensor and infrared radiation thermometer - Google Patents
A kind of photoelectric sensor and infrared radiation thermometer Download PDFInfo
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- CN206787724U CN206787724U CN201720399855.5U CN201720399855U CN206787724U CN 206787724 U CN206787724 U CN 206787724U CN 201720399855 U CN201720399855 U CN 201720399855U CN 206787724 U CN206787724 U CN 206787724U
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Abstract
A kind of photoelectric sensor and infrared radiation thermometer are the utility model is related to, this photoelectric sensor is symmetrically arranged with multiple visible light sources centered on infrared sensitive chip, and the photosurface of infrared sensitive chip and the light-emitting area of visible light source are coplanar；This photoelectric sensor is coordinated into condenser lens and detection circuit composition infrared radiation thermometer, it is non-contact that thermometric object is treated in realization, during remote temperature measurement, when the hot spot of each visible light source is when thermometric body surface focuses on, according to the invertibity of light, treat that thermometric body surface is located at the infrared light that each spot center opening position gives off and transmitted just to the photosurface of infrared sensitive chip, this optical signal is converted to electric signal by infrared sensitive chip, this electric signal passes through the detection circuit conversion electrically connected with this photoelectric sensor and exported for temperature signal, treat that thermometric object is non-contact so as to realize, remote temperature measurement, its temperature measuring point accurate positioning, the temperature survey less than the trickle target in the range of 0.1mm can be achieved.
Description
Technical field
Sensor technical field is the utility model is related to, more particularly to a kind of photoelectric sensor and infrared radiation thermometer.
Background technology
Temperature is a physical quantity, represents the cold and hot degree of object, is a commonplace parameter value in thermal process；Very
The production process of conglomerate needs to carry out temperature strict monitoring and control, and temperature controlled quality is directly connected to production
Quality and performance.Various required with the mankind with the development of science and technology, traditional contact temperature-measuring mode can not
Meet the thermometric demand of some modern special dimensions, it is increasing to non-contact, remote temperature measurement technology demand.It is but existing
Temperature sensor can not be met for contactless temperature-measuring, trickle target, too high/low problem of temperature.
Utility model content
The utility model purpose is to provide a kind of photoelectric sensor and infrared radiation thermometer, solves on present in prior art
State problem.
The technical scheme that the utility model solves above-mentioned technical problem is as follows：
A kind of photoelectric sensor, including base, circuit substrate is provided with the base, is provided with the circuit substrate
Infrared sensitive chip, multiple visible ray light are also symmetrically arranged with centered on the infrared sensitive chip in the circuit substrate
Source, and the light-emitting area of the photosurface and the visible light source of the infrared sensitive chip is coplanar, the base is in the circuit
Also extended through around substrate and be provided with multiple pins, the pin electrically connects with the circuit substrate, the circuit substrate respectively with
The infrared sensitive chip and visible light source electrical connection；Also include the pipe cap that cover is connected on the base, and the pipe
The opening position that crown portion corresponds to the infrared sensitive chip and the visible light source is provided with and allows infrared light and described visible
The light transmissive optical window of transmitting of radiant.
The beneficial effects of the utility model are：This photoelectric sensor is symmetrically arranged with multiple centered on infrared sensitive chip
Visible light source, and the photosurface of infrared sensitive chip and the light-emitting area of visible light source are coplanar；This photoelectric sensor is coordinated
When condenser lens and detection circuit realiration treat non-contact thermometric object, remote temperature measurement, regulation photoelectric sensor is with treating thermometric
Object and/or the distance between with condenser lens, or change the focal length of condenser lens, when the hot spot of each visible light source is to be measured
When warm body surface focuses on, according to the invertibity of light, treat thermometric body surface be located at each spot center opening position give off it is red
Outer light transmits to the photosurface of infrared sensitive chip, infrared sensitive chip this optical signal being converted to electric signal just, this telecommunications
The detection circuit conversion that number warp electrically connects with this photoelectric sensor is temperature signal output, so as to realize that treating that thermometric object is non-connects
Touch, remote temperature measurement, its temperature measuring point accurate positioning, the temperature survey less than the trickle target in the range of 0.1mm can be achieved.
On the basis of above-mentioned technical proposal, the utility model can also do following improvement.
Further, the visible light source is LED light source.
It is using the above-mentioned further beneficial effect of scheme：LED light source small volume, treating thermometric body surface focal beam spot
It is small；And LED light source can meet different-waveband visible ray demand, different colours are treated with thermometric object selects different-waveband LED light source,
Improve hot spot color and treat thermometric object color contrast；And then beneficial to the precise positioning for treating thermometric body surface temperature measuring point.
Further, the LED light source is RGBLED light sources.
It is using the above-mentioned further beneficial effect of scheme：RGBLED light sources can be launched various according to the principle of three primary colours
Color visible, different colours are treated with thermometric object, it is only necessary to which required face can be launched by adjusting the driving power of RGBLED light sources
Color visible ray, without changing visible light source, and then improve this photoelectric sensor applicability.
Further, the infrared sensitive chip is the infrared sensitive chips of I nGaAs.
It is using the above-mentioned further beneficial effect of scheme：The infrared sensitive chips of I nGaAs are beneficial to realize this photoelectric sensing
The minimizing of device, low cost and high reliability, suitable for infrared thermography.
Further, the circuit substrate is ceramic circuit board.
It is using the above-mentioned further beneficial effect of scheme：Ceramic circuit board has good electrical insulation performance, and height is led
Thermal characteristics, beneficial to the radiating of visible light source and infrared sensitive chip.
Further, the optical window is the parallel flat of glass material.
It is using the above-mentioned further beneficial effect of scheme：Glass material can realize the various required ripples of transmission by plated film
Section, and light through parallel flat rear to constant, simplify light path, beneficial to saturating from the focusing being used cooperatively with photoelectric sensor
Mirror.
Further, the pin is run through by the insulating ceramics circle being embedded on the base and is arranged on the base.
It is using the above-mentioned further beneficial effect of scheme：Improving pin sets stability, and pipe cap to be formed with base
Accommodating cavity sealing.
Further, in addition to environment temperature sensor, the environment temperature sensor are arranged on the pipe cap and the pipe
Inside the accommodating cavity formed between seat.
It is using the above-mentioned further beneficial effect of scheme：Environment temperature sensor can be monitored around infrared sensitive chip
Environment temperature, ensure at infrared sensitive chip and control environment, prevent the too high or too low infrared photosensitive core of damage of environment temperature
Piece.
Further, the environment temperature sensor is arranged on the base.
It is using the above-mentioned further beneficial effect of scheme：Infrared sensitive chip is more nearly, beneficial to monitoring；And avoid ring
Border temperature sensor influences the transmitting light of visible light source and infrared sensitive chip pre-receiving treats the red of thermometric object radiation
The transmission of outer light.
Another technical scheme of the present utility model is as follows：
A kind of infrared radiation thermometer, including sleeve, one end of the sleeve is provided with photoelectric sensor as described above, another
End is provided with condenser lens；Also include detection circuit, the detection circuit electrically connects with the photoelectric sensor.
The beneficial effects of the utility model are：Regulation photoelectric sensor and treat thermometric object and/or between condenser lens
Distance, or change the focal length of condenser lens, when the hot spot of each visible light source is when thermometric body surface focuses on, according to light
Invertibity, treat that thermometric body surface is located at the infrared light that each spot center opening position gives off and transmitted just to infrared photosensitive core
This optical signal is converted to electric signal by the photosurface of piece, infrared sensitive chip, and this electric signal after testing for temperature believe by circuit conversion
Number output, treats that thermometric object is non-contact, remote temperature measurement so as to realize, its temperature measuring point accurate positioning, can be achieved to be less than 0.1mm models
The temperature survey of trickle target in enclosing.
Brief description of the drawings
Fig. 1 is that a kind of photoelectric sensor of the utility model has two visible light sources and uncapped top view；
Fig. 2 is that a kind of photoelectric sensor of the utility model has four visible light sources and uncapped top view；
Fig. 3 is a kind of photoelectric sensor Fig. 1 or Fig. 2 A-A sectional views of the utility model；
Fig. 4 is a kind of fundamental diagram of infrared radiation thermometer of the utility model；
Fig. 5 is the enlarged drawing of A in a kind of infrared radiation thermometer Fig. 4 of the utility model.
In accompanying drawing, the list of parts representated by each label is as follows：
1st, photoelectric sensor, 11, base, 111, circuit substrate, 1111, infrared sensitive chip, 11111, photosurface,
1112nd, visible light source, 11121, light-emitting area, 112, pin, 113, insulating ceramics circle, 114, environment temperature sensor, 12, pipe
Cap, 121, optical window, 2, sleeve, 3, condenser lens, 4, index point, 5, target point.
Embodiment
Principle of the present utility model and feature are described below in conjunction with accompanying drawing, example is served only for explaining this practicality
It is new, it is not intended to limit the scope of the utility model.
As shown in Figures 1 to 3, a kind of photoelectric sensor described in the utility model embodiment 1, including base 11, the base
Circuit substrate 111 is provided with 11, infrared sensitive chip 1111, the circuit substrate 111 are provided with the circuit substrate 111
On be also symmetrically arranged with multiple visible light sources 1112 centered on the infrared sensitive chip 1111, for example, such as Fig. 1 and Fig. 2
It is shown, have two and four visible light sources 1112 respectively, and the photosurface 11111 of the infrared sensitive chip 1111 with
The light-emitting area 11121 of the visible light source 1112 is coplanar, and the base 11 also extends through setting around the circuit substrate 111
Have multiple pins 112, the pin 112 electrically connects with the circuit substrate 111, the circuit substrate 111 respectively with it is described red
Outer sensitive chip 1111 and the visible light source 1112 electrically connect；Also include the pipe cap 12 that cover is connected on the base 11, and
The opening position that the top of pipe cap 12 corresponds to the infrared sensitive chip 1111 and the visible light source 1112 is provided with permission
The light transmissive optical window 121 of transmitting of infrared light and the visible light source 1112；In order to avoid external environment is to photoelectric sensor
1 interference, the material of the pipe cap 12 and base 11, which can use, can cut down metal, and pipe cap 12 and base 11 are tightly connected, described
Optical window 121 seals with pipe cap 12.
A kind of photoelectric sensor described in the utility model embodiment 2, on the basis of embodiment 1, the visible light source
1112 be LED light source.
A kind of photoelectric sensor described in the utility model embodiment 3, on the basis of embodiment 2, the LED light source is
RGBLED light sources.
A kind of photoelectric sensor described in the utility model embodiment 4, on the basis of any embodiment of embodiment 1 to 3, institute
It is the infrared sensitive chips of I nGaAs to state infrared sensitive chip 1111.
A kind of photoelectric sensor described in the utility model embodiment 5, on the basis of any embodiment of embodiment 1 to 4, institute
It is ceramic circuit board to state circuit substrate 111.
A kind of photoelectric sensor described in the utility model embodiment 6, on the basis of any embodiment of embodiment 1 to 5, institute
State the parallel flat that optical window 121 is glass material.
A kind of photoelectric sensor described in the utility model embodiment 7, on the basis of any embodiment of embodiment 1 to 6, institute
Pin 112 is stated by the insulating ceramics circle 113 that is embedded on the base 11 through being arranged on the base 11.
A kind of photoelectric sensor described in the utility model embodiment 8, on the basis of any embodiment of embodiment 1 to 7, also
Including environment temperature sensor 114, the environment temperature sensor 114 is arranged on institute between the pipe cap 11 and the base 12
Inside the accommodating cavity of formation.
A kind of photoelectric sensor described in the utility model embodiment 9, on the basis of embodiment 8, the environment temperature sensing
Device 114 is arranged on the base 11.
As shown in Fig. 4 to 5, a kind of infrared radiation thermometer described in the utility model embodiment 10, including sleeve 2, the sleeve 2
One end be provided with a kind of any photoelectric sensor 1 of embodiment 1 to 9, the other end is provided with condenser lens 3；Also include inspection
Slowdown monitoring circuit, not shown in figure, the detection circuit electrically connects with the photoelectric sensor 1.In order to improve each visible light source
1112 hot spot is treating the focusing effect of thermometric body surface, the center of the infrared sensitive chip 1111 of the photoelectric sensor 1
On the optical axis of the condenser lens 3, so that each visible light source 1112 is symmetrical with this optical axis.For the ease of realizing
It can respectively see that the hot spot of radiant 1112 is treating the focusing of thermometric body surface；This sleeve 2 may be designed as telescopic sleeve, so as to adjust
The distance between photoelectric sensor 1 and condenser lens 3, realize focusing；It is of course also possible to use varifocal condenser lens 3, such as
The condenser lens 3 of multiple lens composition lens group forms, by changing the distance between each lens, realizes zoom.
In use, regulation photoelectric sensor 1 and treating thermometric object and/or the distance between with condenser lens 3, or change poly-
The focal length of focus lens 3, when the hot spot of each visible light source 1112 is when thermometric body surface focuses on, according to the invertibity of light,
Treat that thermometric body surface is located at the infrared light that each spot center opening position gives off and transmitted just to infrared sensitive chip 1111
Photosurface 11111, for example, as shown in Fig. 5, when hot spot is when when the focusing of index point 4 of thermometric body surface, treat thermometric object
The infrared light that the target point 5 on surface gives off transmits to infrared sensitive chip 1111 just, and infrared sensitive chip 1111 is by this light
Signal is converted to electric signal, and circuit conversion is exported this electric signal for temperature signal after testing, and thermometric body surface is treated so as to realize
Non-contact, remote temperature measurement at target point 5.
This infrared radiation thermometer treats the temperature survey of thermometric object by contactless realize, its photoelectric sensor 1 with it is to be measured
Warm object without directly contacting, effectively avoid photoelectric sensor 1 by treat thermometric object rub, corrode or adhere to etc. factor influenceed and
Shorten the life-span；And the integrated level of this photoelectric sensor 1 is high, production cost reduces；It is simple in construction, small volume, not by measurement space
Influence；Environment temperature sensor is carried, protects infrared sensitive chip 1111, not by treating that thermometric object and surrounding enviroment are influenceed,
Thermometric is accurate；Response time is fast, and temperature resolution is high；Strong antijamming capability, adapt to high temperature and rugged environment.
Preferred embodiment of the present utility model is the foregoing is only, it is all in this practicality not to limit the utility model
Within new spirit and principle, any modification, equivalent substitution and improvements made etc., guarantor of the present utility model should be included in
Within the scope of shield.
Claims (10)
1. a kind of photoelectric sensor, it is characterised in that including base (11), circuit substrate is provided with the base (11)
(111) infrared sensitive chip (1111), is provided with the circuit substrate (111), with described red on the circuit substrate (111)
Multiple visible light sources (1112), and the infrared sensitive chip are also symmetrically arranged with centered on outer sensitive chip (1111)
(1111) light-emitting area (11121) of photosurface (11111) and the visible light source (1112) is coplanar, and the base (11) exists
Also extended through around the circuit substrate (111) and be provided with multiple pins (112), the pin (112) and the circuit substrate
(111) electrically connect, the circuit substrate (111) respectively with the infrared sensitive chip (1111) and the visible light source
(1112) electrically connect；Also include the pipe cap (12) that cover is connected on the base (11), and at the top of the pipe cap (12) described in correspondence
The opening position of infrared sensitive chip (1111) and the visible light source (1112), which is provided with, allows infrared light and the visible ray
The light transmissive optical window of transmitting (121) of light source (1112).
2. a kind of photoelectric sensor according to claim 1, it is characterised in that the visible light source (1112) is LED light
Source.
3. a kind of photoelectric sensor according to claim 2, it is characterised in that the LED light source is RGBLED light sources.
4. a kind of photoelectric sensor according to claim 1, it is characterised in that the infrared sensitive chip (1111) is
The infrared sensitive chips of InGaAs.
5. a kind of photoelectric sensor according to claim 1, it is characterised in that the circuit substrate (111) is ceramic circuit
Substrate.
6. a kind of photoelectric sensor according to claim 1, it is characterised in that the optical window (121) is the flat of glass material
Row flat board.
7. a kind of photoelectric sensor according to claim 1, it is characterised in that the pin (112) is described by being embedded in
Insulating ceramics circle (113) on base (11), which runs through, to be arranged on the base (11).
8. according to a kind of any photoelectric sensor of claim 1 to 7, it is characterised in that also including environment temperature sensor
(114), the environment temperature sensor (114) be arranged on formed between the pipe cap (12) and the base (11) it is accommodating
Intracavitary portion.
9. a kind of photoelectric sensor according to claim 8, it is characterised in that the environment temperature sensor (114) is set
On the base (11).
10. a kind of infrared radiation thermometer, it is characterised in that including sleeve (2), one end of the sleeve (2) is provided with claim 1
To a kind of 9 any photoelectric sensors (1), the other end is provided with condenser lens (3)；Also include detection circuit, the detection
Circuit electrically connects with the photoelectric sensor (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720399855.5U CN206787724U (en) | 2017-04-17 | 2017-04-17 | A kind of photoelectric sensor and infrared radiation thermometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720399855.5U CN206787724U (en) | 2017-04-17 | 2017-04-17 | A kind of photoelectric sensor and infrared radiation thermometer |
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| Publication Number | Publication Date |
|---|---|
| CN206787724U true CN206787724U (en) | 2017-12-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720399855.5U Active CN206787724U (en) | 2017-04-17 | 2017-04-17 | A kind of photoelectric sensor and infrared radiation thermometer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106969842A (en) * | 2017-04-17 | 2017-07-21 | 武汉联钧科技有限公司 | A kind of photoelectric sensor and infrared radiation thermometer |
-
2017
- 2017-04-17 CN CN201720399855.5U patent/CN206787724U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106969842A (en) * | 2017-04-17 | 2017-07-21 | 武汉联钧科技有限公司 | A kind of photoelectric sensor and infrared radiation thermometer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20171212 Address after: 430000 East Lake Development Zone, Wuhan City, Hubei Province, hi-tech four Gezhouba Dam Sun City 2-601 Patentee after: Li Jun Address before: 430200 East Lake Development Zone, Wuhan City, Hubei Province, hi-tech four Gezhouba Dam Sun City 2-601 Patentee before: Wuhan Lian Jun Science and Technology Ltd. |
|
| TR01 | Transfer of patent right |