CN110108309A - A kind of high sensitivity photoelectric sensor device - Google Patents
A kind of high sensitivity photoelectric sensor device Download PDFInfo
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- CN110108309A CN110108309A CN201910230059.2A CN201910230059A CN110108309A CN 110108309 A CN110108309 A CN 110108309A CN 201910230059 A CN201910230059 A CN 201910230059A CN 110108309 A CN110108309 A CN 110108309A
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- 230000003287 optical effect Effects 0.000 claims abstract description 17
- 238000001914 filtration Methods 0.000 claims abstract description 13
- 239000007787 solid Substances 0.000 claims description 6
- 239000011248 coating agent Substances 0.000 claims description 4
- 238000000576 coating method Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 claims description 4
- 239000011521 glass Substances 0.000 claims description 4
- 230000005693 optoelectronics Effects 0.000 claims description 4
- 239000000758 substrate Substances 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000005622 photoelectricity Effects 0.000 claims description 2
- 239000000571 coke Substances 0.000 claims 1
- 239000000203 mixture Substances 0.000 claims 1
- 238000012545 processing Methods 0.000 abstract description 3
- 238000009738 saturating Methods 0.000 description 5
- 238000001514 detection method Methods 0.000 description 3
- 230000004044 response Effects 0.000 description 3
- 230000003321 amplification Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
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- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
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- 230000008685 targeting Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/26—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
- G01D5/32—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light
- G01D5/34—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells
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Abstract
The present invention relates to a kind of highly sensitive photoelectric sensor devices, and further progress photoelectric sensing detects on the basis of accurate optically focused, optical filtering, and described device includes planar lens, scale and shell reflector, secondary condensation system, photoelectric sensor circuit, bracket；Described device is incident in scale and shell reflector after light to be measured filters through planar lens, converges to secondary condensation system, on the photosensor, signal exports re-incident after the processing of photoelectric sensor circuit system.
Description
Technical field
The present invention relates to photoelectric device system structure design applied technical field, in particular to a kind of highly sensitive photoelectric transfer
Induction device.
Background technique
Photoelectric sensor is using sensor of the photoelectric cell as detecting element, and tool is with non-contact, response is fast, precision
The features such as high, reliable performance, it can survey that parameter is more, and the structure of sensor is simple, flexible form is various, therefore is detecting and controlling
Etc. be widely applied.
Absorbing amount is improved using condenser system, is an important directions of current solar cell research.Pass through lens
Or reflecting mirror assembles direct sunlight, is then received by solar cell, by light from relatively large region area
On conversion to fairly small solar cell area, photovoltaic efficiency not only can be improved, but also can reduce cell area, light is effectively reduced
Lie prostrate system cost.At the beginning of 21 century, the application of concentrating photovoltaic power generation technology has won initial success.By condenser system and photoelectric sensor knot
It closes, same effect can also be played, if the function of optical filtering is further added in condenser system, can be further improved
The detection sensitivity and detection wave band accuracy of sensor.
Summary of the invention
In view of the deficiencies of the prior art, the present invention provides a kind of photoelectric sensor based on optical filtering type condenser system, in essence
Further progress photoelectric sensing detects on the basis of quasi- optically focused, optical filtering, obtains highly sensitive, smallerization photoelectric sensor
Part, including planar lens, scale and shell reflector, secondary condensation system, photoelectric sensor circuit, bracket；Light to be measured is saturating through plane
Mirror is incident in scale and shell reflector after filtering, and converges to secondary condensation system, on the photosensor, signal is through photoelectricity for re-incident
It is exported after sensor circuit system processing.
To achieve the above object, the present invention discloses a kind of highly sensitive photoelectric sensor device, and described device includes that plane is saturating
Mirror 1, scale and shell reflector 2, secondary condensation system 3, photoelectric sensor circuit 4 and bracket 5；
The circular edge of the planar lens 1 mutually suits with the opening of scale and shell reflector 2, and the planar lens 1 is for saturating
The light of specific band is crossed, the light that the scale and shell reflector 2 and the secondary condensation system 3 are used to will transmit through is focused at a region
In, the photoelectric sensor circuit 4 is used to filter, the spot signal after convergence is converted to electric signal and handles.
The planar lens 1 includes outermost filter coating 11, for will filter out after the filtering of multiwave incident ray
The light of required wave band, second layer anti-reflection film 12 keep light incident, third layer planar glass substrate 13 and the 4th layer of Unidirectional transparent film
14 for penetrating light to inside from outside, on the contrary then opaque, and medial surface has high reflectance；
The scale and shell reflector 2 includes the reflection for the 21 inner surface solid matter of hood-like structure 21 and hood-like structure that paraboloid is constituted
Small curved surface 22；
The secondary condensation system 3 includes collector lens 31, plane mirror 32 and even optical lens 33, the collector lens
31 are located at the lower opening for the hood-like structure 21 that paraboloid is constituted, and under shed radius is identical as the radius of collector lens 31, institute
The center for stating plane mirror 32 is located at the focal point of collector lens 31, and it is anti-that the focus of the even optical lens 33 is located at the plane
Penetrate the center of mirror 32；
The photoelectric sensor circuit 4 includes photoelectric sensor and output end 41, device slot 42, wherein photoelectric sensor
And include power supply, circuit control module in output end 41, device 42 is equipped with the optoelectronic sensor for replacement.
In the above-mentioned technical solutions, the combination of planar lens 1 and scale and shell reflector 2, secondary condensation system 3, it is selective
Ground is through optical signal and carries out optically focused.
It in the above-mentioned technical solutions, may include filter element in the secondary condensation system 3, after filtering to planar lens 1
Light further filtered.
In the above-mentioned technical solutions, the small curved surface 22 of reflection of the 21 inner surface solid matter of hood-like structure is constituted from concave surface
The focus cross section junction of hood-like structure 21 is risen, and small curved surface is superimposed under shed upward opening one by one, and scale and shell shape is integrally formed
Structure；
In the above-mentioned technical solutions, the shape of the hood-like structure 21 in the concave surface be paraboloid, hemisphere face, half ellipsoidal surface,
In, the small curve form for forming scale and shell shape structure is hemispherical, elliposoidal, paraboloidal；
In the above-mentioned technical solutions, the photoelectric sensor is inorganic photovoltaic sensor or organic photo-sensors or has
Machine/inorganic hybridization photoelectric sensor, type include photo resistance, photodiode, phototriode, photocell, optoelectronic position
Sensitive Apparatus, photomultiplier tube, photo-thermal effect device.
In the above-mentioned technical solutions, the bracket 5 include upper and lower angle correct knob 51, left and right angle correcting sleeve circle 52 and
Bracket 53 is overally supported, by adjusting the upper opening face incident ray for the scale and shell reflector 2 that bracket is.
A kind of highly sensitive photoelectric sensor device of the present invention, have the advantages that 1, by way of optically focused one
The light determined on area is focused at a narrow region by condenser system, and photoelectric sensor only needs to focus the size accumulated below i.e.
Can, so that the dosage of sensor be greatly reduced.By amplifying optical signal, which, which also effectively reduces in sensor, is partly led
The dosage of body material.2, the system of optically focused and filtering functions set selectively penetrates optical signal and carries out optically focused amplification, from
And the sensitivity of sensor is greatly improved, also improve the targeting to the detection of specific optical band.3, pass through replacement filter element
Response wave length can be adjusted, reduce the requirement to photoelectric sensor response wave band itself, widened the scope of application significantly；4, lead to
Over-angle knob adjustment direction is to receive the directive incident ray of tool, flexibly and easily；5, photoelectric sensor can be replaced flexibly；
6, high-efficient, it is lost low；Recoverable part increases, and is conducive to environmental protection.7, large area easy to accomplish, industrialized production, Yi Shi
Now miniaturization and integra-tion application.
Detailed description of the invention
Fig. 1 is a kind of planar structure schematic diagram of highly sensitive photoelectric sensor device of the present invention；
Detailed description of the invention: 1- planar lens, 11- filter coating, 12- anti-reflection film, 13- planar glass substrate, 14- Unidirectional transparent
Film, 2- scale and shell reflector, the hood-like structure of 21-, 22- reflect small curved surface, 3- secondary condensation system, 31- collector lens, 32- plane
Reflecting mirror, the even optical lens of 33-, 4- photoelectric sensor, 41- photoelectric sensor and output end, 42- device slot, 5- bracket, on 51-
Lower angle corrects knob, 52- or so angle correcting sleeve circle, and 53- overally supports bracket.
Specific embodiment
Present invention is further described in detail with reference to the accompanying drawing, and the present invention provides a kind of highly sensitive photoelectric sensing dress
It sets, as shown in Figure 1, described device includes planar lens 1, scale and shell reflector 2, secondary condensation system 3, photoelectric sensor circuit 4
And bracket 5；
The circular edge of the planar lens 1 mutually suits with the opening of scale and shell reflector 2, and the planar lens 1 is for saturating
Cross the light of required wave band, the light that the scale and shell reflector 2 and the secondary condensation system 3 are used to will transmit through be focused at one it is narrow
Region, the photoelectric sensor circuit 4 for that will filter, the spot signal after convergence is converted to electric signal and handles,
The electric signal such as will be denoised, amplified, being analyzed at the processing.
The planar lens 1 includes that outermost filter coating 11 is used to that spy will to be filtered out after the filtering of multiwave incident ray
The light of standing wave section, such as ultraviolet, 450nm or so blue light, second layer anti-reflection film 12 penetrate incident ray largely and only have few
Portion's dichroic reflection, third layer planar glass substrate 13 and the 4th layer of Unidirectional transparent film 14 are for penetrating light to interior from outside
Side, it is on the contrary then opaque, and medial surface has high reflectance；
The scale and shell reflector 2 includes the reflection for the 21 inner surface solid matter of hood-like structure 21 and hood-like structure that paraboloid is constituted
Small curved surface 22；
The secondary condensation system 3 includes collector lens 31, plane mirror 32 and even optical lens 33, the collector lens
31 are located at the lower opening for the hood-like structure 21 that paraboloid is constituted, and under shed radius is identical as the radius of collector lens 31, institute
The center for stating plane mirror 32 is located at the focal point of collector lens 31, and it is anti-that the focus of the even optical lens 33 is located at the plane
Penetrate the center of mirror 32；
The photoelectric sensor circuit 4 includes photoelectric sensor and output end 41, device slot 42, wherein photoelectric sensor
And include power supply, circuit control module in output end 41, device 42 is equipped with the optoelectronic sensor for replacement.
Wherein, the combination of planar lens 1 and scale and shell reflector 2, secondary condensation system 3 selectively penetrates optical signal
And carry out optically focused.
It wherein, may include filter element in the secondary condensation system 3, the light after filtering to planar lens 1 is carried out into one
Step filters.
Wherein, the small curved surface 22 of reflection of the 21 inner surface solid matter of hood-like structure, the hood-like structure 21 constituted from concave surface
Focus cross section junction is risen, and small curved surface is superimposed under shed upward opening one by one, and scale and shell shape structure is integrally formed；
Optionally, the shape of the hood-like structure 21 in the concave surface be paraboloid, hemisphere face, half ellipsoidal surface, preferably paraboloid,
Optionally, the small curve form for forming scale and shell shape structure is hemispherical, elliposoidal, paraboloidal；Preferably hemispherical；
Wherein, the photoelectric sensor is inorganic photovoltaic sensor or organic photo-sensors or hybrid
Photoelectric sensor, type include photo resistance, photodiode, phototriode, photocell, PSD senser, light
Electric multiplier tube, the combination of photo-thermal effect device or the above types of devices or the above types of devices and other yuan of device, circuit part form
System.
Wherein, the bracket 5 includes upper and lower angle correct knob 51, left and right angle correcting sleeve circle 52 and integrated support bracket
53, by adjusting the upper opening face incident ray for the scale and shell reflector 2 that bracket is.
A kind of working principle of highly sensitive photoelectric sensor device of the present invention is as follows:
S1, the knob of angle correct up and down 51, the left and right angle correcting sleeve circle 52 for adjusting bracket 5 make scale and shell reflector 2
Upper opening face incident ray；
S2, multiband light are incident in scale and shell reflector 2 after filtering through planar lens 1, by reflecting small curved surface 22
Afterwards, light converges to 31 surface of collector lens.
S3, diverging light 32 surface of plane mirror is converged to by collector lens 31, it is saturating to be incident to even light for light later
Mirror 33, then the light reflected into parallel set are radiated on photoelectric sensor 41.
S4, photoelectric sensor and output end 41 convert light energy into power output to equipment, and photoelectric sensor 41 can pass through
Device slot 42 is replaced.
The part not illustrated in specification is the prior art or common knowledge.Present embodiment is merely to illustrate the hair
It is bright, rather than limit the scope of the invention, the modifications such as equivalent replacement that those skilled in the art make the present invention are recognized
To be fallen into invention claims institute protection scope.
Claims (7)
1. a kind of high sensitivity photoelectric sensor device, which is characterized in that described device includes planar lens (1), scale and shell reflector
(2), secondary condensation system (3), photoelectric sensor circuit (4) and bracket (5)；
The opening of the circular edge and scale and shell reflector (2) of the planar lens (1) mutually suits, and the planar lens (1) is used for
Through the light of required wave band, the light of the scale and shell reflector (2) and the secondary condensation system (3) for will transmit through is focused at one
In a region, the photoelectric sensor circuit (4) is used to filter, the spot signal after convergence is converted to electric signal and locates
Reason.
The planar lens (1) includes outermost filter coating (11), for will filter out after the filtering of multiwave incident ray
The light of specific band, second layer anti-reflection film (12) keep light incident, third layer planar glass substrate (13) and the 4th layer it is unidirectional thoroughly
Light film (14) is on the contrary then opaque for penetrating light to inside from outside, and medial surface has high reflectance；
The scale and shell reflector (2) include paraboloid constitute hood-like structure (21) and hood-like structure (21) inner surface solid matter it is anti-
Penetrate small curved surface (22)；
The secondary condensation system (3) includes collector lens (31), plane mirror (32) and even optical lens (33), the optically focused
Lens (31) are located at the lower opening of the hood-like structure (21) of paraboloid composition, and the half of under shed radius and collector lens (31)
Diameter is identical, and the center of the plane mirror (32) is located at the focal point of collector lens (31), the coke of the even optical lens (33)
Point is located at the center of the plane mirror (32)；
The photoelectric sensor circuit (4) includes photoelectric sensor and output end (41), device slot (42), wherein photoelectric sensing
It include power supply, circuit control module in device and output end (41), device slot (42) is equipped with the optoelectronic sensor for replacement.
2. a kind of highly sensitive photoelectric sensor device according to claim 1, which is characterized in that planar lens (1) and scale and shell
The combination of reflector (2), secondary condensation system (3) selectively penetrates optical signal and carries out optically focused.
3. a kind of highly sensitive photoelectric sensor device according to claim 1, which is characterized in that the secondary condensation system
It (3) may include filter element in, the light after filtering to planar lens (1) is further filtered.
4. a kind of highly sensitive photoelectric sensor device according to claim 1, which is characterized in that in the hood-like structure (21)
The small curved surface of the reflection of surface solid matter (22), from the focus cross section junction for the hood-like structure (21) that concave surface is constituted, small curved surface
It is superimposed one by one under shed upward opening, scale and shell shape structure is integrally formed.
5. a kind of highly sensitive photoelectric sensor device according to claim 4, which is characterized in that the hood-like structure in concave surface
(21) shape is paraboloid, hemisphere face, half ellipsoidal surface, wherein the small curve form for forming scale and shell shape structure is hemispherical, ellipse
Spherical, paraboloidal.
6. a kind of highly sensitive photoelectric sensor device according to claim 1, which is characterized in that the photoelectric sensor is nothing
Machine photoelectric sensor or organic photo-sensors or hybrid photoelectric sensor, type include photo resistance, photoelectricity
Diode, phototriode, photocell, PSD senser, photomultiplier tube, photo-thermal effect device or the above type device
The combination of part.
7. a kind of highly sensitive photoelectric sensor device according to claim 1, which is characterized in that the bracket (5) includes upper
Lower angle corrects knob (51), left and right angle correcting sleeve circle (52) and integrated support bracket (53), makes squama by adjusting bracket
The upper opening face incident ray of first reflector (2).
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| CN201910230059.2A CN110108309B (en) | 2019-03-26 | 2019-03-26 | High-sensitivity photoelectric sensing device |
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| CN201910230059.2A CN110108309B (en) | 2019-03-26 | 2019-03-26 | High-sensitivity photoelectric sensing device |
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| CN110108309A true CN110108309A (en) | 2019-08-09 |
| CN110108309B CN110108309B (en) | 2021-08-20 |
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Cited By (3)
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| CN110567578A (en) * | 2019-09-30 | 2019-12-13 | 长江大学 | Photoelectric sensing device suitable for weak light detection |
| CN110645546A (en) * | 2019-10-18 | 2020-01-03 | 韦立 | Down lamp reflecting cup |
| CN111308289A (en) * | 2020-03-06 | 2020-06-19 | 西安交通大学 | Partial discharge multispectral weak light detection device and method |
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| CN110645546A (en) * | 2019-10-18 | 2020-01-03 | 韦立 | Down lamp reflecting cup |
| CN111308289A (en) * | 2020-03-06 | 2020-06-19 | 西安交通大学 | Partial discharge multispectral weak light detection device and method |
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| Publication number | Publication date |
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| CN110108309B (en) | 2021-08-20 |
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