CN107421647B - Total optical path sending and receiving apparatus for thermopile detector - Google Patents
Total optical path sending and receiving apparatus for thermopile detector Download PDFInfo
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- CN107421647B CN107421647B CN201710568700.4A CN201710568700A CN107421647B CN 107421647 B CN107421647 B CN 107421647B CN 201710568700 A CN201710568700 A CN 201710568700A CN 107421647 B CN107421647 B CN 107421647B
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- 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
- G01J5/28—Radiation pyrometry, e.g. infrared or optical thermometry using electric radiation detectors using photoemissive or photovoltaic cells
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Abstract
The invention discloses a kind of total optical path sending and receiving apparatus for thermopile detector, including laser emission element, optically focused receiving unit, rotating base (11), it supports both arms (12), the optically focused receiving unit includes Fresnel Lenses (1), multiple levels of reflectors (2), optical tunnel (3), the laser emission element includes the first gyrator (4), beam-defining jaw (5), second gyrator (6), laser (7) and thermopile detector (8) are separately mounted in launch room (9) and receiving chamber (10) and can be dismantled, each component passes through encapsulating housing and respective support parts assembly forms.The present invention using Fresnel Lenses and higher order reflection microscope group at the anti-secondary condensation system of folding-, increase the optics receiving efficiency to echo light, and receive integrated light channel structure form altogether using beam emissions, greatly reduces system complexity, make simple and compact for structure, manufacturing cost is cheap.
Description
Technical field
The present invention relates to optical design and infrared detection field, a kind of particularly total optical path for thermopile detector
Sending and receiving apparatus.
Background technique
With pipeline Industry Quick Development, the safety of long line gas pipeline is increasingly taken seriously, and pipeline is let out
Missing inspection survey technology is the important guarantee of pipe safety stable operation.Laser detection based on near-infrared semiconductor absorber spectral technique
Method, with high sensitivity, the advantages such as the response time is fast, selectivity is strong, and can combine vehicle compared with traditional detection method
It carries or airborne, is increasingly being applied to the remote sensing of long line gas pipeline leakage.
Mostly the echo from distant place reflecting target is regarded as and is gathered by the optical receiving system of laser detector now
The light sensation face face of detector need to be only arranged in optically focused when echo impinges perpendicularly on lens by the parallel light of optical lens optical axis
The focal plane of lens.However during atual detection, since the surface reflection situation of atural object or pipeline is complicated and laser returns
Wave will receive the influence of atmospheric turbulance, and the light reflected back will necessarily there are certain angles with lens axis.If being used alone
Refraction type condenser lens influences detector since the presence of incident ray drift angle causes focal shift as optically focused reception device
Photosurface receiving efficiency causes the detectivity of system to decline.
Thermopile IR detector is a kind of laser detection system commonly Laser Detecting Set, the response to echo
Advantage related with the received laser power of institute, unrelated with tested wavelength therefore wide with response wave band is different by installing
The laser acquisition to different wave length can be realized in optical filter, meanwhile, it can work at room temperature, without refrigeration.However common
Thermopile IR detector photosurface diameter usually only 10mm, and lack corresponding optical receiving system, thermoelectric pile is red
It is extremely low that external detector for echo in infrared detection system receives efficiency, is unable to operate normally during Trace gas detection.
Summary of the invention
In order to realize Laser emission with it is received integrated, the present invention provides a kind of total light for thermopile detector
Road sending and receiving apparatus, this is used for the total optical path sending and receiving apparatus of thermopile detector using Fresnel Lenses and higher order reflection
Microscope group at the anti-secondary condensation system of folding-, increase to the optics receiving efficiency of echo light, and receive one using beam emissions
The total light channel structure form changed, greatly reduces system complexity, makes simple and compact for structure, and manufacturing cost is cheap.
The technical solution adopted by the present invention to solve the technical problems is: a kind of total optical path hair for thermopile detector
Penetrate reception device, including optically focused receiving unit and laser emission element;The optically focused receiving unit contains the positive direction along primary optical axis
Fresnel Lenses, multiple levels of reflectors, optical tunnel and the thermopile detector being arranged successively, multiple levels of reflectors and optical tunnel are two
Open tubular structure is held, the inner surface of multiple levels of reflectors and the inner surface of optical tunnel are reflecting surface, the light of Fresnel Lenses
The axis of axis, the axis of multiple levels of reflectors and optical tunnel with the key light overlapping of axles;The laser emission element can launch with
The laser beam of key light overlapping of axles, the direction of the launch of the laser beam are the negative direction of primary optical axis.
Fresnel Lenses is located in the arrival end of multiple levels of reflectors, and the focus of Fresnel Lenses is located at going out for multiple levels of reflectors
Mouth end, the arrival end of optical tunnel and the outlet end of multiple levels of reflectors are correspondingly connected with.
The internal diameter of the arrival end of multiple levels of reflectors is greater than the internal diameter of the outlet end of multiple levels of reflectors, along the pros of primary optical axis
To, multiple levels of reflectors contain sequentially connected first segment, second segment, third section, the 4th section, the 5th section, the 6th section, the 7th section,
8th section and the 9th section.
The inner surface of first segment structure cylindrical, second segment, third section, the 4th section, the 5th section, the 6th section, the 7th section
It is in cylindrical machine shape structure with the 8th section of inner surface, second segment, third section, the 4th section, the 5th section, the 6th section, the 7th section and the
The internal diameter of eight sections of outlet end is sequentially reduced.
9th section is that parabola rotates the surface of revolution to be formed by axis of primary optical axis;Equation corresponding to the parabola are as follows: f
(X)=- 0.009496X2-0.0331X+11.41;In the equation, X ∈ [0,24].
The inner surface of optical tunnel is positive hexagon, and the axis and key light overlapping of axles of the regular hexagonal prism shape, optical tunnel go out
Mouth end and the light sensation face of thermopile detector connect, and receiving chamber partition is equipped in the outlet end of optical tunnel.
The laser emission element contains the laser emitter set gradually, the first gyrator, beam-defining jaw and the second corner
Device, the second gyrator are located at the center of Fresnel Lenses, and the first gyrator and the second gyrator can be by laser transmitter projects
Laser beam out is changed into the laser beam with key light overlapping of axles.
Laser emitter and the first gyrator are located at outside multiple levels of reflectors, and the second gyrator is located in multiple levels of reflectors, limit
Beam diaphragm is located at the side wall of multiple levels of reflectors, and the arrival end of the first gyrator is towards laser emitter, the outlet of the first gyrator
End towards the second gyrator arrival end, the outlet end of the second gyrator towards primary optical axis negative direction, in Fresnel Lenses
The heart is equipped with centre bore, and the outlet end of the second gyrator is located in the centre bore, and beam-defining jaw is located at the outlet end of the first gyrator
And second gyrator arrival end between.
The total optical path sending and receiving apparatus for thermopile detector further includes launch room and receiving chamber, and receiving chamber is
At least tubular structure of one end open, the optically focused receiving unit are set in receiving chamber, the opening of Fresnel Lenses and receiving chamber
Hold corresponding, primary optical axis is in a horizontal state, and launch room is fixed on outside the top of receiving chamber, laser emitter and the first gyrator position
In in launch room.
The total optical path sending and receiving apparatus for thermopile detector further includes rotating base and support both arms, is received
Room is located at the top of rotating base, and by support both arms connection between receiving chamber and rotating base, support both arms and receiving chamber are logical
The connection of overdamp knob, receiving chamber can rotate in horizontal and vertical direction, front and back two parts are divided into launch room, the front and back two
Baffle is equipped between part, the first gyrator is located at the preceding part of launch room, and laser emitter is located at the rear part of launch room.
The beneficial effects of the present invention are:
1, co-planar arrangement above and below the plane mirror of the first gyrator and the second gyrator, is in 45° angle, laser with optical axis
Emit after secondary reflection and reception device optical axis coincidence, realize transmitting and received Common-path method, improves detection essence
Degree, makes compact-sized, small volume.
2, optics, which receives, uses folding-Fresnel Lenses of reflection secondary condensation and the combining form of multiple levels of reflectors, effectively
Acceptance angle is 5 °, and light transmission rate 70% improves the optics acceptance rate of echo light, to increase the spirit of infrared detection system
Sensitivity.
3, received light passes through the total reflection effect of optical tunnel, so that the hot spot in detector light sensation face is more evenly, effectively
Ground weakens the maximum irradiation intensity in light sensation face, reduces the loss to light sensation face.
4, laser and thermopile detector can be dismantled, and are convenient for routine maintenance and repair.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide further understanding of the present invention, and of the invention shows
Examples and descriptions thereof are used to explain the present invention for meaning property, does not constitute improper limitations of the present invention.
Fig. 1 is the structural schematic diagram of the total optical path sending and receiving apparatus of the present invention for thermopile detector.
Fig. 2 is the structural schematic diagram of multiple levels of reflectors.
Fig. 3 is the structural schematic diagram of optical tunnel.
Fig. 4 is the scheme of installation of thermopile detector.
Fig. 5 is the structural schematic diagram of laser emission element.
Fig. 6 is the support construction schematic diagram of launch room and receiving chamber.
1, Fresnel Lenses;2, multiple levels of reflectors;3, optical tunnel;4, the first gyrator;5, beam-defining jaw;6, the second corner
Device;7, laser emitter;8, thermopile detector;9, launch room;10, receiving chamber;11, rotating base;12, both arms are supported;13,
Damp knob;14, primary optical axis;15, receiving chamber partition;
21, first segment;22, second segment;23, third section;24, the 4th section;25, the 5th section;26, the 6th section;27, the 7th
Section;28, the 8th section;29, the 9th section.
Specific embodiment
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
A kind of total optical path sending and receiving apparatus for thermopile detector, including optically focused receiving unit and Laser emission list
Member;The optically focused receiving unit contains Fresnel Lenses 1, multiple levels of reflectors 2, the even light being arranged successively along the positive direction of primary optical axis 14
Stick 3 and thermopile detector 8, multiple levels of reflectors 2 and optical tunnel 3 are the tubular structure of both ends open, multiple levels of reflectors 2 it is interior
The inner surface of surface and optical tunnel 3 is reflecting surface, the optical axis of Fresnel Lenses 1, the axis of multiple levels of reflectors 2 and optical tunnel 3
Axis be overlapped with the primary optical axis 14;The laser emission element can launch the laser beam being overlapped with primary optical axis 14, this swashs
The direction of the launch of light beam is the negative direction of primary optical axis 14, as shown in Figure 1.
In the present embodiment, Fresnel Lenses 1 is located in the arrival end of multiple levels of reflectors 2, the focus position of Fresnel Lenses 1
In the outlet end of multiple levels of reflectors 2, the arrival end of optical tunnel 3 and the outlet end of multiple levels of reflectors 2 are correspondingly connected with.Multiple levels of reflectors
2 arrival end and the arrival end of optical tunnel 3 are respectively positioned on the left side of Fig. 1, the outlet end of multiple levels of reflectors 2 and the outlet of optical tunnel 3
End is respectively positioned on the right side of Fig. 1, and wherein the use of Fresnel Lenses 1 ppmm material, diameter 80mm, focal length 150mm, Fresnel are saturating
Mirror 1 is embedded in the entrance port end of multiple levels of reflectors 2.The central punch of Fresnel Lenses 1, for inlaying the second gyrator 6.
In the present embodiment, the internal diameter of the arrival end of multiple levels of reflectors 2 is greater than the internal diameter of the outlet end of multiple levels of reflectors 2,
Along the positive direction of primary optical axis 14, multiple levels of reflectors 2 contains sequentially connected nine sections, this nine sections are respectively first segment 21, second segment
22, third section 23, the 4th section 24, the 5th section 25, the 6th section 26, the 7th section 27, the 8th section 28 and the 9th section 29.First segment 21
Inner surface structure cylindrical, second segment 22, third section 23, the 4th section 24, the 5th section 25, the 6th section 26, the 7th section 27 and
Eight section 28 of inner surface is in cylindrical machine shape structure, second segment 22, third section 23, the 4th section 24, the 5th section 25, the 6th section 26, the
The internal diameter of seven section 27 and the 8th section 28 of outlet end is sequentially reduced, the design parameter of the inner surface of multiple levels of reflectors 2 such as 1 institute of table
Show.
Table 1
It with primary optical axis 14 is that axis rotates the surface of revolution to be formed that 9th section 29, which is parabola,;Equation corresponding to the parabola
Are as follows: f (X)=- 0.009496X2-0.0331X+11.41;In the equation, X ∈ [0,24], unit mm.Multiple levels of reflectors 2
Structure it is as shown in Figure 2.
In the present embodiment, the inner surface of optical tunnel 3 is positive hexagon, the axis and primary optical axis 14 of the regular hexagonal prism shape
Be overlapped, the outlet end of optical tunnel 3 connect with the light sensation face of thermopile detector 8, in the outlet end of optical tunnel 3 equipped with receiving chamber every
Plate 15.The outer surface of optical tunnel 3 is cylinder, and the regular hexagonal prism shape and the cylinder are inscribed relationship, as shown in figure 3, i.e.
Optical tunnel 3 is that the hollow tubular structure of regular hexagon is inscribed, and the inner surface of multiple levels of reflectors 2 and optical tunnel 3 is mirror surface, should
Mirror surface plates highly reflecting films, and the arrival end of optical tunnel 3 is docked with the outlet end gluing of multiple levels of reflectors 2, the entrance of optical tunnel 3
The outer diameter at end is identical as the outer diameter of the outlet end of multiple levels of reflectors 2, and receiving chamber partition 15 and the outlet end of optical tunnel 3 match,
By the effect of receiving chamber partition 15 so that the light sensation face of thermopile detector 8 can not directly connect with the exit ports of optical tunnel 3
Touching, its rear end can be only positioned at the front side in 8 light sensation face of thermopile detector, avoid causing to wear to light sensation face, as shown in Figure 4.
In the present embodiment, which contains the laser emitter 7 set gradually, the first gyrator 4, limit beam
Diaphragm 5 and the second gyrator 6, the second gyrator 6 are located at the center of Fresnel Lenses 1, the first gyrator 4 and the second gyrator 6
The laser beam that laser emitter 7 is launched can be changed into the laser beam being overlapped with primary optical axis 14.Laser emitter 7 is used
In transmitting laser beam, the angle for the laser beam that the first gyrator 4 and the second gyrator 6 emit for changing laser emitter 7.
In the present embodiment, laser emitter 7 and the first gyrator 4 are respectively positioned on outside multiple levels of reflectors 2, the second gyrator 6
In multiple levels of reflectors 2, beam-defining jaw 5 is located at the side wall of multiple levels of reflectors 2, and the arrival end of the first gyrator 4 is towards laser
The emission port of transmitter 7, arrival end of the outlet end of the first gyrator 4 towards the second gyrator 6, the outlet of the second gyrator 6
The negative direction towards primary optical axis 14 is held, the center of Fresnel Lenses 1 is equipped with centre bore, and the outlet end of the second gyrator 6 is located at should
In centre bore, beam-defining jaw 5 is located between the outlet end of the first gyrator 4 and the arrival end of the second gyrator 6, the second gyrator
6 are located at the underface of the first gyrator 4.
Wherein the first gyrator 4 and the second gyrator 6 are cylindrical structure, and diameter is 6mm~7mm, length 10mm, interior
Plano-convex lens and high reflection mirror are installed by portion, as shown in Figure 5.First gyrator 4 is mounted on inside launch room 9, the second gyrator 6 edge
Embedded in 1 center of Fresnel Lenses.The plano-convex lens of first gyrator 4 are located at close to 7 side of laser emitter, primary optical axis and hair
The coincidence of laser beam center is penetrated, high reflection mirror and plano-convex lens primary optical axis are in 45° angle, the reflecting mirror vertical lower of the first gyrator 4
Open up light hole, bore 5mm.The plano-convex lens of second gyrator 6 are located at close to 1 side of Fresnel Lenses, primary optical axis and phenanthrene
Nie Er lens key light overlapping of axles, high reflection mirror and plano-convex lens primary optical axis are in 45° angle, on the reflecting mirror of the second gyrator 6 is vertical
Fang Kaishe light hole, bore 5mm.5 bore 5mm of beam-defining jaw, the receiving chamber 10 being mounted on immediately below 4 light hole of the first gyrator
With the tapping of multiple levels of reflectors 2.
The horizontal direction laser beam that laser emitter 7 emits by 90 ° of reflections of the first gyrator 4, change into vertical by optical path
Straight downward, by beam-defining jaw 5, again by 90 ° of reflections of the second gyrator 6, optical path becomes the light of horizontal exit again.
It is diffusely reflected when shoot laser encounters object under test, it is anti-secondary poly- by Fresnel Lenses 1 and the folding-of multiple levels of reflectors 2
After light, using the total reflection effect of optical tunnel 3, uniform light spots finally are formed on the light sensation face of thermopile detector 8.
In the present embodiment, the total optical path sending and receiving apparatus for thermopile detector further includes 9 He of launch room
Receiving chamber 10, receiving chamber 10 are the tubular structure of at least one end open, which is set in receiving chamber 10, Fei Nie
Your lens 1 are corresponding with the open end of receiving chamber 10, i.e., the Fresnel Lenses 1 of the optically focused receiving unit is located at receiving chamber in Fig. 6
In 10 left end, the thermopile detector 8 of the optically focused receiving unit is located in Fig. 6 in the right end of receiving chamber 10.Primary optical axis 14 is in
Horizontality, launch room 9 are fixed on outside the top of receiving chamber 10, and laser emitter 7 and the first gyrator 4 are located in launch room 9.
It is divided into front and back two parts in launch room 9, baffle is equipped between the front and back two parts, the first gyrator 4 is located at transmitting
In the preceding part of room 9, laser emitter 7 is located in the rear part of launch room 9.The baffle is in laser emitter 7 and the first corner
Light hole is opened up on the optical axis of device 4.The upper surface of the rear part of launch room 9 can be opened or closed, sharp in order to install
Optical transmitting set 7.10 rear end of receiving chamber can be opened or closed, for installing thermopile detector 8.
In the present embodiment, the total optical path sending and receiving apparatus for thermopile detector further includes rotating base 11
With support both arms 12, receiving chamber 10 is located at the top of rotating base 11, double by support between receiving chamber 10 and rotating base 11
Arm 12 connects, and support both arms 12 are connect with receiving chamber 10 by damping knob 13, and receiving chamber 10 can be in horizontal and vertical direction
Rotation, receiving chamber 10 can be rotated by axis of the straight line of the straight line of horizontal direction and vertical direction.
Specifically, rotating base 11 contains interior plectane and outer square plate, the lower end of support both arms 12 connect solid with the interior plectane
Fixed, receiving chamber 10 can be rotated by axis of the axis of the interior plectane, and receiving chamber 10 can also be to damp the axis of knob 13 as axis
Rotation.Sending and receiving apparatus is rotated upwardly and downwardly by adjusting the damping realization of knob 13 in this way, while both arms 12 being supported to be fixed on
Rotating base 11 can also carry out 360 ° of plane adjustings.
The above, only specific embodiments of the present invention cannot limit the range that invention is implemented with it, so it is equivalent
The displacement of component, or according to equivalent variations made by the invention patent protection scope and modification, should all still fall within what this patent was covered
Scope.In addition, between technical characteristic and technical characteristic in the present invention, between technical characteristic and technical solution, technical solution with
Use can be freely combined between technical solution.
Claims (5)
1. a kind of total optical path sending and receiving apparatus for thermopile detector, which is characterized in that described to be detected for thermoelectric pile
The total optical path sending and receiving apparatus of device includes optically focused receiving unit and laser emission element;
The optically focused receiving unit contains the Fresnel Lenses (1) being arranged successively along the positive direction of primary optical axis (14), multiple levels of reflectors
(2), optical tunnel (3) and thermopile detector (8), multiple levels of reflectors (2) and optical tunnel (3) are the tubular knot of both ends open
Structure, the inner surface of multiple levels of reflectors (2) and the inner surface of optical tunnel (3) are reflecting surface, the optical axis of Fresnel Lenses (1), more
The axis of grade reflector (2) and the axis of optical tunnel (3) are overlapped with the primary optical axis (14);The laser emission element can emit
The laser beam being overlapped out with primary optical axis (14), the direction of the launch of the laser beam are the negative direction of primary optical axis (14);
Fresnel Lenses (1) is located in the arrival end of multiple levels of reflectors (2), and the focus of Fresnel Lenses (1) is located at higher order reflection
The outlet end of device (2), the arrival end of optical tunnel (3) and the outlet end of multiple levels of reflectors (2) are correspondingly connected with;
The internal diameter of the arrival end of multiple levels of reflectors (2) is greater than the internal diameter of the outlet end of multiple levels of reflectors (2), along primary optical axis (14)
Positive direction, multiple levels of reflectors (2) contain sequentially connected first segment (21), second segment (22), third section (23), the 4th section
(24), the 5th section (25), the 6th section (26), the 7th section (27), the 8th section (28) and the 9th section (29);
The inner surface structure cylindrical of first segment (21), second segment (22), third section (23), the 4th section (24), the 5th section
(25), the 6th section (26), the 7th section (27) and the 8th section (28) of inner surface be in cylindrical machine shape structure, second segment (22), third
Section (23), the 4th section (24), the 5th section (25), the 6th section (26), the internal diameter of the 7th section (27) and the 8th section (28) of outlet end
It is sequentially reduced;
It with primary optical axis (14) is that axis rotates the surface of revolution to be formed that 9th section (29), which is parabola,;
Equation corresponding to the parabola are as follows: f (X)=- 0.009496X2-0.0331X+11.41;
In the equation, X ∈ [0,24];
The inner surface of optical tunnel (3) is positive hexagon, and the axis of the regular hexagonal prism shape is overlapped with primary optical axis (14), optical tunnel
(3) outlet end is connect with the light sensation face of thermopile detector (8), and receiving chamber partition is equipped in the outlet end of optical tunnel (3)
(15)。
2. the total optical path sending and receiving apparatus according to claim 1 for thermopile detector, which is characterized in that this swashs
Light emitting unit contains the laser emitter (7) set gradually, the first gyrator (4), beam-defining jaw (5) and the second gyrator
(6), the second gyrator (6) is located at the center of Fresnel Lenses (1), and the first gyrator (4) and the second gyrator (6) can will swash
The laser beam that optical transmitting set (7) is launched is changed into the laser beam being overlapped with primary optical axis (14).
3. the total optical path sending and receiving apparatus according to claim 2 for thermopile detector, which is characterized in that laser
Transmitter (7) and the first gyrator (4) are located at multiple levels of reflectors (2) outside, and the second gyrator (6) is located in multiple levels of reflectors (2),
Beam-defining jaw (5) is located at the side wall of multiple levels of reflectors (2), and the arrival end of the first gyrator (4) is towards laser emitter (7), and
The outlet end of one gyrator (4) is towards the arrival end of the second gyrator (6), and the outlet end of the second gyrator (6) is towards primary optical axis
(14) center of negative direction, Fresnel Lenses (1) is equipped with centre bore, and the outlet end of the second gyrator (6) is located at the centre bore
Interior, beam-defining jaw (5) is located between the outlet end of the first gyrator (4) and the arrival end of the second gyrator (6).
4. the total optical path sending and receiving apparatus according to claim 2 for thermopile detector, which is characterized in that described
Total optical path sending and receiving apparatus for thermopile detector further includes launch room (9) and receiving chamber (10), and receiving chamber (10) is
At least tubular structure of one end open, the optically focused receiving unit are set in receiving chamber (10), Fresnel Lenses (1) and receiving chamber
(10) open end is corresponding, and primary optical axis (14) is in a horizontal state, and launch room (9) is fixed on the top of receiving chamber (10), laser
Transmitter (7) and the first gyrator (4) are located in launch room (9).
5. the total optical path sending and receiving apparatus according to claim 4 for thermopile detector, which is characterized in that described
Total optical path sending and receiving apparatus for thermopile detector further includes rotating base (11) and support both arms (12), receiving chamber
(10) it is located at the top of rotating base (11), by supporting both arms (12) to connect between receiving chamber (10) and rotating base (11),
Support both arms (12) is connect with receiving chamber (10) by damping knob (13), and receiving chamber (10) can turn in horizontal and vertical direction
It is dynamic, it is divided into front and back two parts in launch room (9), baffle is equipped between the front and back two parts, the first gyrator (4) is located at launch room
(9) preceding part, laser emitter (7) are located at the rear part of launch room (9).
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CN108278969B (en) * | 2018-01-23 | 2020-01-07 | 智恒(厦门)微电子有限公司 | Miniature photoelectric sensor |
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