CN113218867A - Fixed bed frame of red tide algae recognition device - Google Patents
Fixed bed frame of red tide algae recognition device Download PDFInfo
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- CN113218867A CN113218867A CN202110531656.6A CN202110531656A CN113218867A CN 113218867 A CN113218867 A CN 113218867A CN 202110531656 A CN202110531656 A CN 202110531656A CN 113218867 A CN113218867 A CN 113218867A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
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Abstract
The invention discloses a fixed base frame of a red tide algae recognition device, which comprises a base, wherein a light source mounting frame, a slit structure mounting hole, a diffraction grating mounting frame and a spectrum measuring element mounting frame are fixed on the upper end surface of the base, a light source for emitting light beams to a sample to be detected is fixed on the light source mounting frame, the slit structure mounting hole is used for fixing a slit structure capable of receiving information light of the sample to be detected, the slit structure mounting hole is used for being opposite to the sample to be detected, a diffraction grating for splitting light transmitted by the slit structure is fixed on the diffraction grating mounting frame, the diffraction grating mounting frame is opposite to the slit structure, and a spectrum measuring element capable of receiving the light split by the diffraction grating and forming a spectrum is fixed on the spectrum measuring element mounting frame. This red tide algae recognition device's fixed bed frame can fix optical circuit, reduces measuring error, improves the precision of sensor.
Description
Technical Field
The invention relates to the technical field of fixing devices, in particular to a fixing base frame of a red tide algae recognition device.
Background
Red tide is a harmful ecological phenomenon that some phytoplankton, protozoa or bacteria in seawater proliferate explosively or are highly aggregated to cause water body to change color under specific environmental conditions. The toxic red tide of fish is a toxic red tide, can generate a plurality of toxic substances, and leads fishes and shellfishes to die in a large amount in a short time. The toxic red tide algae of fish have been widely distributed in coastal areas of China, seriously pollute marine product culture environment of China, and restrict sustainable and healthy development of coastal marine culture industry of China.
The early and rapid identification of the red tide type is an effective measure for reducing the impact of red tide disasters on the marine aquaculture industry, can strive for hours to tens of hours for farmers, and adopts measures such as harvesting in advance or transferring and settling aquaculture net cages to avoid the death of aquaculture organisms. However, the existing red tide algae and the toxicity identification method thereof are long in time consumption, and generally, the identification time is 24-48 hours at the fastest speed; on the other hand, the toxicity change of the fish toxic red tide algae is very complex, the toxicity of the same kind of red tide algae changes along with the change of the sea area and the time of the red tide and the change of the growth environment, and the quick identification and early warning technology of the toxin is not available, so that a quick, simple and efficient fish toxic red tide identification device which can be applied to the field is urgently needed, the emergency management level of the red tide disaster is improved, the loss of the red tide disaster to the marine product breeding industry is reduced, and the offshore breeding industry in China is continuously and healthily developed.
The device for identifying the fish toxic red tide algae is a sensor for quickly identifying and early warning the red tide disasters, belongs to an optical in-situ sensor, and can quickly, simply and efficiently identify the fish toxic red tide algae by using the fish toxic red tide algae identification sensor based on the optical principle. Optical path fixing structures are used in large quantities in optical systems. These fixing structures require fixing stability and positioning accuracy. Because in the optical path, an error of the deflection angle may be generated due to the installation position of the optical element, and the size and position of the optical lens may affect the detection of the optical signal, thereby affecting the precision of the sensor. Therefore, it is necessary to design a precise and reliable structure for mounting the optical path to improve the precision of the sensor.
Disclosure of Invention
The invention aims to provide a fixing base frame of a red tide algae recognition device, which is used for solving the problems in the prior art, fixing an optical circuit, reducing measurement errors and improving the precision of a sensor.
In order to achieve the purpose, the invention provides the following scheme:
the invention provides a fixed base frame of a red tide algae recognition device, which comprises a base, wherein a light source mounting frame, a slit structure mounting hole, a diffraction grating mounting frame and a spectrum measuring element mounting frame are fixed on the upper end surface of the base, a light source for emitting light beams to a sample to be detected is fixed on the light source mounting frame, the slit structure mounting hole is used for fixing a slit structure capable of receiving information light of the sample to be detected, the slit structure mounting hole is used for being opposite to the sample to be detected, a diffraction grating for splitting light transmitted by the slit structure is fixed on the diffraction grating mounting frame, the diffraction grating mounting frame is opposite to the slit structure, and a spectrum measuring element capable of receiving the light split by the diffraction grating and forming a spectrum is fixed on the spectrum measuring element mounting frame.
Preferably, the base includes first fixing base and second fixing base, just first fixing base with be used for placing the sample that awaits measuring between the second fixing base, be fixed with first photoelectric detector mounting bracket and second photoelectric detector mounting bracket on the first fixing base, be used for fixed direct first photoelectric detector to the light source detection on the first photoelectric detector mounting bracket, be used for fixed second photoelectric detector who is used for measuring the information light that the sample that awaits measuring sent on the second photoelectric detector mounting bracket, just first photoelectric detector mounting bracket is used for aiming at the light source mounting bracket, the second photoelectric detector mounting bracket is used for relative with the sample that awaits measuring.
Preferably still be equipped with the beam splitting component mounting bracket on the second fixing base, the beam splitting component mounting bracket is used for fixed beam splitting component, just the beam splitting component mounting bracket is fixed in the light source mounting bracket with between the first photoelectric detector to the excitation light that makes the light source send throws first photoelectric detector all the way through the beam splitting component, and the sample that awaits measuring is thrown to another way.
Preferably, the second fixing seat comprises a first connecting section, a second connecting section and a third connecting section which are fixedly connected in sequence, the first connecting section and the third connecting section are parallel and are perpendicular to the second connecting section, and two ends of the second connecting section are fixedly connected with the first connecting section and the second connecting section respectively; the cross section of the first fixed seat is rectangular, the first fixed seat is parallel to the second connecting section, and the first fixed seat is connected with the first connecting section and can be detached;
the first photoelectric detector mounting rack and the second photoelectric detector mounting rack are respectively fixed on the upper end surface of the first fixed seat, and are respectively positioned at two ends of the first fixed seat in the length direction, the light source mounting rack is fixed at one end of the first connecting section far away from the third connecting section, the light splitting element mounting rack is fixed on the first connecting section, the light splitting element mounting rack is arranged close to the first photoelectric detector mounting rack, the slit structure mounting hole is formed in one end, close to the second connecting section, of the third connecting section, and a sample to be measured is placed between the slit structure mounting hole and the second photoelectric detector mounting rack, the diffraction grating mounting rack is fixed on one side of the third connecting section far away from the second connecting section, the spectrum measuring element mounting rack is fixed at one end, far away from the light source mounting rack, of the second connecting section.
Preferably, the first fixing seat comprises a first horizontal plate and a first vertical plate, the first horizontal plate is parallel to the horizontal plane, the first vertical plate is perpendicular to the first horizontal plate, the upper end of the first vertical plate is fixed on the lower end surface of the first horizontal plate, a plurality of first connecting holes are arranged on the first vertical plate, a second vertical plate is fixed on the lower end surface of the first connecting section at a position close to the first photoelectric detector mounting rack, the second vertical plate is provided with second connecting holes corresponding to the first connecting holes, the first vertical plate and the second vertical plate are connected through bolts and nuts, a third vertical plate is fixed on the lower end face of the third connecting section at a position close to the second photoelectric detector mounting frame, and a sample to be detected is fixed between the third vertical plate and the first vertical plate.
Preferably, the first photoelectric detector mounting bracket and the second photoelectric detector mounting bracket all include a rectangular plate, the rectangular plate with the up end of first fixing base is perpendicular, just the lower extreme of rectangular plate is fixed on the up end of first fixing base, the upper end of rectangular plate is to keeping away from the direction of first fixing base extends, just a mounting hole has been seted up on the rectangular plate, be used for fixed first photoelectric detector or second photoelectric detector in the mounting hole.
Preferably, the light splitting element mounting frame is a rectangular groove, and a limiting part is fixed at each of four corners of the rectangular groove, the limiting part protrudes out of the middle parts of four side walls of the rectangular groove, and the rectangular groove is internally used for fixing the light splitting element.
Preferably, the light source mounting bracket is a rectangular plate, and a through groove is formed in the upper end of the light source mounting bracket, the through groove penetrates through the light source mounting bracket in the thickness direction of the light source mounting bracket, and the through groove is used for embedding a light source and enabling the light source to face the light splitting element mounting bracket.
Preferably, the diffraction grating mounting bracket with the up end of base is perpendicular, just the slope of diffraction grating mounting bracket sets up, behind the fixed diffraction grating in the diffraction grating mounting bracket, the acute angle that presss from both sides between the light that diffraction grating and slit structure jetted out is 83.35, the diffraction grating mounting bracket includes snap ring and draw-in groove, be used for imbedding the diffraction grating in the draw-in groove, just correspond on the base a screw hole has respectively been seted up to the position at draw-in groove both ends, the snap ring includes spacing section and two fixed sections, two the fixed section is fixed respectively the both ends of spacing section, just spacing section is used for blocking the upper end and two relative lateral walls of diffraction grating, two spacing hole has been seted up respectively on the fixed section, spacing hole with the screw hole passes through bolted connection.
Preferably, the lower extreme of spectral measurement component mounting bracket is fixed on the base, the upper end of spectral measurement component mounting bracket is to keeping away from the direction of base extends, just spectral measurement component mounting bracket respectively is equipped with a rectangular hole at the ascending both ends of length direction, the length direction and the horizontal plane in rectangular hole are perpendicular, and connect through bolt and nut rectangular hole and spectral measurement component's both ends.
Compared with the prior art, the invention has the following technical effects:
the invention provides a fixed base frame of a red tide algae recognition device, which is mainly used for carrying out field analysis on the category of fish toxic red tide algae so as to more timely respond to red tide disasters, a light source which emits light beams to a sample to be detected is fixed on a light source mounting frame, so that the position of the light source is fixed in the detection process, the excitation effect of the sample to be detected is prevented from being influenced by the fluctuation of the light source, a slit structure mounting hole is used for fixing a slit structure which can receive information light of the sample to be detected, the slit structure mounting hole is opposite to the sample to be detected, the information light emitted by the sample to be detected is screened through the slit structure, the slit structure is fixed, the information light emitted by the sample to be detected can be processed through the slit structure, a diffraction grating which can split the light transmitted by the slit structure is fixed on the diffraction grating mounting frame, and the diffraction grating mounting frame is opposite to the slit structure, in the testing process, diffraction grating's installation angle is directly influencing the spectrum and is forming the effect, install and fix diffraction grating according to required angle, can prevent its skew to influence the formation of spectrum, be used for on the spectral measurement component mounting bracket fixedly can receive the light after the diffraction grating beam splitting and form the spectral measurement component of spectrum, final analysis reachs the fish toxicity red tide algae category, all fix each components and parts on the base, realize the integration of each component and function, and conveniently carry, improve the precision of sensor.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic structural view of a fixing base frame of a red tide algae identification apparatus according to the present invention;
FIG. 2 is a schematic view of a stationary frame of the red tide algae identification apparatus according to the present invention in use;
FIG. 3 is a schematic structural view of a first fixing frame of the fixing base frame of the red tide algae identification apparatus according to the present invention;
FIG. 4 is a schematic structural view of a second fixing frame of the fixing base frame of the red tide algae identification apparatus of the present invention;
FIG. 5 is a top view of the second mount of FIG. 4;
in the figure: 100-a fixed pedestal of a red tide algae recognition device, 10-a first fixed seat, 11-a first horizontal plate, 12 a first vertical plate, 13-a first photodetector mounting rack, 14-a second photodetector mounting rack, 15-a mounting hole, 16-a first connecting hole, 20-a second fixed seat, 21-a first connecting section, 22-a second connecting section, 23-a third connecting section, 241-a second vertical plate, 242-a third vertical plate, 243-a second connecting hole, 25-a light source mounting rack, 251-a rectangular groove, 26-a light splitting element mounting rack, 27-a slit structure mounting hole, 271-a positioning hole, 28-a diffraction grating mounting rack, 281-a clamping groove, 282-a clamping ring, 2821-a limiting section, 2822-a fixed section, 283-a threaded hole, 29-spectral measurement element mounting frame, 291-base, 292-frame, 293-elongated hole, 30-first photodetector, 40-second photodetector, 50-light source, 60-light splitting element, 70-slit structure, 80-diffraction grating and 90-spectral measurement element.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention aims to provide a fixing base frame of a red tide algae recognition device, which aims to solve the technical problem that the accuracy of class recognition is influenced because the existing recognition sensor lacks a fixing structure.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
As shown in fig. 1-5, the present invention provides a fixing base frame 100 of a red tide algae recognition device, which is mainly used for performing field analysis on the category of toxic red tide algae, so as to more timely cope with red tide disasters, and comprises a base, wherein a light source mounting frame 25, a slit structure mounting hole 27, a diffraction grating mounting frame 28 and a spectrum measuring element mounting frame 29 are fixed on the upper end surface of the base, a light source 50 emitting light beams to a sample to be detected is fixed on the light source mounting frame 25, and the light beams emitted by the light source 50 are irradiated on the sample to be detected, so that during the detection process, the position of the light source 50 is fixed, the excitation effect of the light source 50 on the sample to be detected is avoided, the slit structure mounting hole 27 is used for fixing a slit structure 70 capable of receiving information light of the sample to be detected, and the slit structure mounting hole 27 is used for being opposite to the sample to be detected, so as to screen the information light emitted by the sample to be detected through the slit structure 70, the slit structure 70 is fixed, it is ensured that information light emitted by a sample to be detected can be processed through the slit structure 70, the diffraction grating 80 for splitting light transmitted by the slit structure 70 is fixed on the diffraction grating mounting frame 28, the diffraction grating mounting frame 28 is opposite to the slit structure 70, in the detection process, the mounting angle of the diffraction grating 80 directly influences the spectrum forming effect, the diffraction grating 80 is mounted and fixed according to a required angle, the deviation of the diffraction grating 80 can be prevented from influencing the formation of a spectrum, the spectrum measuring element mounting frame 29 is used for fixing the spectrum measuring element 90 capable of receiving the light split by the diffraction grating 80 and forming the spectrum, the category of the toxic red tide algae is finally analyzed, all the components are fixed on the base, the integration of all the components and functions is realized, the carrying is convenient, and the precision of the sensor is improved.
Specifically, the base comprises a first fixing seat 10 and a second fixing seat 20, the base is divided into two parts, which are convenient to detach and mount, the occupied space during carrying is reduced to a certain extent, a sample to be detected can be placed between the first fixing seat 10 and the second fixing seat 20, the sample to be detected can be conveniently placed in place, and the sample to be detected can be conveniently clamped, so that the sample to be detected can be fixed and positioned, a first photoelectric detector mounting frame 13 and a second photoelectric detector mounting frame 14 are fixed on the first fixing seat 10, a first photoelectric detector 30 for directly detecting the light source 50 is fixed on the first photoelectric detector mounting frame 13, a second photoelectric detector 40 for measuring information light emitted by the sample to be detected is fixed on the second photoelectric detector mounting frame 14, the first photoelectric detector mounting frame 13 is used for aligning with the light source mounting frame 25, and the first photoelectric detector 30 is used for directly detecting the light source 50, the light detected by the first photoelectric detector 30 is used as reference light, the second photoelectric detector mounting frame 14 is used for being opposite to a sample to be detected, and the second photoelectric detector 40 is used for detecting the light emitted by the sample to be detected, and the water waiting for detection generally has turbidity values, so that the test results of the first photoelectric detector 30 and the second photoelectric detector 40 are compared and analyzed, the turbidity value of the sample to be detected can be obtained, and the sample to be detected is better analyzed.
Still be equipped with beam splitting component mounting bracket 26 on the second fixing base 20, beam splitting component mounting bracket 26 is used for fixed beam splitting component 60, and beam splitting component mounting bracket 26 is fixed in between light source mounting bracket 25 and the first photoelectric detector 30, utilize beam splitting component 60 to carry out the beam splitting and make the light divide into two tunnel to the light that light source 50 sent, the excitation light that makes light source 50 send throws first photoelectric detector 30 all the way through beam splitting component 60, as reference light, another way throws to the sample that awaits measuring, as the experiment light, and beam splitting component mounting bracket 26's fixed mounting is in required position, can guarantee its accurate beam splitting to light source 50, and make the light of branch throw on can all throw and inject first photoelectric detector 30 and second photoelectric detector 40, and then guarantee the use accuracy.
The second fixing seat 20 comprises a first connecting section 21, a second connecting section 22 and a third connecting section 23 which are fixedly connected in sequence, the first connecting section 21 and the third connecting section 23 are parallel and are perpendicular to the second connecting section 22, two ends of the second connecting section 22 are fixedly connected with the first connecting section 21 and the second connecting section 22 respectively, and the Z-shaped second fixing seat 20 reduces the overall occupied area and the production cost on the basis of ensuring the installation and matching of all elements, is light in weight and convenient to carry so as to realize in-situ measurement; the cross section of the first fixed seat 10 is rectangular, the first fixed seat 10 is parallel to the second connecting section 22, the first fixed seat 10 is connected with the first connecting section 21 and can be detached, and when the fixing device is used, the first fixed seat 10 is connected with the first connecting section 21, so that the angle and the distance between the elements are fixed conveniently;
the first photodetector mounting bracket 13 and the second photodetector mounting bracket 14 are respectively fixed on the upper end surface of the first fixing base 10 and respectively located at two ends of the first fixing base 10 in the length direction so as to respectively align the reference light emitted by the light splitting element 60 and the experimental light emitted by the sample to be tested, the light source mounting bracket 25 is fixed at one end of the first connecting section 21 far away from the third connecting section 23, the light splitting element mounting bracket 26 is fixed on the first connecting section 21, and the light splitting element mounting bracket 26 is arranged close to the first photodetector mounting bracket 13 so as to project the light emitted by the light source 50 onto the first photodetector 30 through the spectroscope after the light source 50 is mounted, the slit structure mounting hole 27 is formed at one end of the third connecting section 23 close to the second connecting section 22, and the sample to be tested is placed between the slit structure mounting hole 27 and the second photodetector mounting bracket 14, be convenient for receive the information light that the sample that awaits measuring sent, diffraction grating mounting bracket 28 is fixed and is kept away from one side of second linkage segment 22 on third linkage segment 23, thereby carry out periodic spatial modulation with the light that slit structure 70 sent, and make light reflection to spectral measurement component 90 on, spectral measurement component mounting bracket 29 is fixed and is kept away from the one end of light source mounting bracket 25 on second linkage segment 22, occupation space has been saved, and guaranteed the receiving effect to the light, and then improve sensor's measurement accuracy.
The first fixing base 10 includes a first horizontal plate 11 and a first vertical plate 12, the first horizontal plate 11 is parallel to the horizontal plane, the first vertical plate 12 is perpendicular to the first horizontal plate 11, the upper end of the first vertical plate 12 is fixed on the lower end surface of the first horizontal plate 11, the first vertical plate 12 is provided with a plurality of first connecting holes 16, the lower end surface of the first connecting section 21 is fixed with a second vertical plate 241 at a position close to the first photodetector mounting frame 13, the second vertical plate 241 is provided with second connecting holes 243 corresponding to the first connecting holes 16, the first vertical plate 12 and the second vertical plate 241 are connected by bolts and nuts to realize the connection between the first fixing base 10 and the second fixing base 20, so as to prevent the position deviation of the first photodetector 30 and the second photodetector 40 during the test process from affecting the detection accuracy, the lower end surface of the third connecting section 23 is fixed with a third vertical plate 242 at a position close to the second photodetector mounting frame 14, be used for fixed sample that awaits measuring between third vertical board 242 and the first vertical board 12, more preferred, with all component fixed positions after, still can cover and establish an dustcoat, protect whole device through the dustcoat, also can improve the receipt and the analysis of setting a light simultaneously, and correspond the hole all in the position of third vertical board 242 and the first vertical board 12, screw into the hole through the bolt and realize the extrusion and the fixing of the sample that awaits measuring.
First photoelectric detector mounting bracket 13 and second photoelectric detector mounting bracket 14 all include a rectangular plate, the rectangular plate is perpendicular with the up end of first fixing base 10, and the lower extreme of rectangular plate is fixed on the up end of first fixing base 10, the upper end of rectangular plate extends to the direction of keeping away from first fixing base 10, and a mounting hole 15 has been seted up on the rectangular plate, be used for fixed first photoelectric detector 30 or second photoelectric detector 40 in the mounting hole 15, thereby prop up photoelectric detector, make it can receive the reference light and the experimental light that light-splitting component 60 divides, it is more excellent, first photoelectric detector 30 and second photoelectric detector 40 all bond in mounting hole 15.
The light splitting element mounting frame 26 is a rectangular groove 251, a limiting portion is fixed at each of four corners of the rectangular groove 251, the limiting portion protrudes out of the middle of the four side walls of the rectangular groove 251, the light splitting element 60 is fixed in the rectangular groove 251, and more preferably, the light splitting element 60 is a light splitter which is rectangular, so that the light splitter is positioned and prevented from rotating or moving, the light is affected, and the light splitting prism is bonded in the rectangular groove 251.
Light source mounting bracket 25 is the rectangular plate, and logical groove has been seted up to the upper end of light source mounting bracket 25, leads to the groove and link up light source mounting bracket 25 in the thickness direction of light source mounting bracket 25, and leads to the inslot and be used for imbedding light source 50 and make light source 50 towards beam splitting component mounting bracket 26, leads to the setting of groove, the installation of the light source 50 of both having been convenient for can not shelter from the light that light source 50 sent again, and is more excellent, and light source 50 is many light sources 50, and the bonding is fixed at logical inslot.
The diffraction grating mounting rack 28 is perpendicular to the upper end face of the base, the diffraction grating mounting rack 28 is obliquely arranged, after the diffraction grating 80 is fixed in the diffraction grating mounting rack 28, an acute angle between the diffraction grating 80 and light emitted by the slit structure 70 is 83.35 degrees, the diffraction grating mounting rack 28 comprises a clamping ring 282 and a clamping groove 281, the clamping groove 281 is used for embedding the diffraction grating 80, a threaded hole 283 is respectively arranged at a position corresponding to two ends of the clamping groove 281 on the base, the clamping ring 282 comprises a limiting section 2821 and two fixing sections 2822, the two fixing sections 2822 are respectively fixed at two ends of the limiting section 2821, the limiting section 2821 is used for clamping the upper end of the diffraction grating 80 and two opposite side walls, a limiting hole is respectively arranged on the two fixing sections 2822, the limiting hole is connected with the threaded hole 283 through a bolt, so that the limiting of the diffraction grating 80 in different directions is realized, and the cross section of the clamping groove 281 is of a door shape, and two end parts of the clamping groove 281 are respectively provided with a limiting block, draw-in groove 281 opening sets up towards slit structure 70, and two stopper extend to the direction that is close to each other from two tip of draw-in groove 281, in order to fix diffraction grating 80, thereby guarantee its position accuracy, more preferably, the tip of draw-in groove 281 is 64.27mm with the perpendicular line distance of the center of spectral measurement component mounting bracket 29, and slit structure 70's installation department still is equipped with locating hole 271, locating hole 271 is relative with the anchor point on the slit structure 70, the perpendicular line distance between locating hole 271 and the tip of draw-in groove 281 is 77.36 mm.
Spectral measurement component mounting bracket 29 includes support body 292 and base 291, base 291 is fixed on the base, the up end at base 291 is fixed to support body 292's lower extreme, support body 292's upper end is to the direction extension of keeping away from base 291, and support body 292 respectively is equipped with a rectangular hole 293 at the ascending both ends of length direction, the length direction and the horizontal plane of rectangular hole 293 are perpendicular, and connect the both ends of rectangular hole 293 and spectral measurement component 90 through bolt and nut, thereby realize the fixed to spectral measurement component 90, and the setting of rectangular hole 293, be convenient for when needs are adjusted, adjust spectral measurement component 90's height, it is more excellent, spectral measurement component 90 is linear array CCD, and but spectral measurement component mounting bracket 29 integrated into one piece.
The principle and the implementation mode of the present invention are explained by applying specific examples in the present specification, and the above descriptions of the examples are only used to help understanding the method and the core idea of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In summary, this summary should not be construed to limit the present invention.
Claims (10)
1. The utility model provides a fixed bed frame of red tide algae recognition device which characterized in that: including the base, the up end of base is fixed with light source mounting bracket, slit structure mounting hole, diffraction grating mounting bracket and spectral measurement component mounting bracket, be used for fixed light source to the sample transmission beam that awaits measuring on the light source mounting bracket, slit structure mounting hole is used for the fixed slit structure that can receive the sample information light that awaits measuring, just slit structure mounting hole is used for relative with the sample that awaits measuring, be used for fixed diffraction grating that carries out the beam split to the light that the slit structure sees through on the diffraction grating mounting bracket, just the diffraction grating mounting bracket with the slit structure is relative, be used for fixed spectral measurement component that can receive the light after the diffraction grating beam split and form the spectrum on the spectral measurement component mounting bracket.
2. The fixing base frame of the red tide algae recognition device according to claim 1, wherein: the base includes first fixing base and second fixing base, just first fixing base with be used for placing the sample that awaits measuring between the second fixing base, be fixed with first photoelectric detector mounting bracket and second photoelectric detector mounting bracket on the first fixing base, be used for fixed direct first photoelectric detector to the light source detection on the first photoelectric detector mounting bracket, be used for fixed second photoelectric detector who is used for measuring the information light that the sample that awaits measuring sent on the second photoelectric detector mounting bracket, just first photoelectric detector mounting bracket is used for aiming at the light source mounting bracket, the second photoelectric detector mounting bracket is used for relative with the sample that awaits measuring.
3. The fixing base frame of the red tide algae recognition device according to claim 2, wherein: still be equipped with the beam splitting component mounting bracket on the second fixing base, the beam splitting component mounting bracket is used for fixed beam splitting component, just the beam splitting component mounting bracket is fixed in the light source mounting bracket with between the first photoelectric detector to the excitation light that makes the light source send throws first photoelectric detector all the way to beam splitting component, and another way throws to the sample that awaits measuring.
4. The fixing base frame of the red tide algae recognition device according to claim 3, wherein: the second fixing seat comprises a first connecting section, a second connecting section and a third connecting section which are fixedly connected in sequence, the first connecting section and the third connecting section are parallel and are perpendicular to the second connecting section, and two ends of the second connecting section are fixedly connected with the first connecting section and the second connecting section respectively; the cross section of the first fixed seat is rectangular, the first fixed seat is parallel to the second connecting section, and the first fixed seat is connected with the first connecting section and can be detached;
the first photoelectric detector mounting rack and the second photoelectric detector mounting rack are respectively fixed on the upper end surface of the first fixed seat, and are respectively positioned at two ends of the first fixed seat in the length direction, the light source mounting rack is fixed at one end of the first connecting section far away from the third connecting section, the light splitting element mounting rack is fixed on the first connecting section, the light splitting element mounting rack is arranged close to the first photoelectric detector mounting rack, the slit structure mounting hole is formed in one end, close to the second connecting section, of the third connecting section, and a sample to be measured is placed between the slit structure mounting hole and the second photoelectric detector mounting rack, the diffraction grating mounting rack is fixed on one side of the third connecting section far away from the second connecting section, the spectrum measuring element mounting rack is fixed at one end, far away from the light source mounting rack, of the second connecting section.
5. The stationary base frame of the red tide algae recognition device according to claim 4, wherein: the first fixing seat comprises a first horizontal plate and a first vertical plate, the first horizontal plate is parallel to a horizontal plane, the first vertical plate is perpendicular to the first horizontal plate, the upper end of the first vertical plate is fixed on the lower end face of the first horizontal plate, a plurality of first connecting holes are formed in the first vertical plate, the end face of the first connecting section is close to the position of the first photoelectric detector mounting frame, the second vertical plate is fixed on the second vertical plate and corresponds to the first connecting holes, second connecting holes are formed in the position of the first connecting holes and connected through bolts and nuts, the first vertical plate is connected with the second vertical plate, the end face of the third connecting section is close to the position of the second photoelectric detector mounting frame, a third vertical plate is fixed on the position of the second photoelectric detector mounting frame, and a sample to be detected is fixed between the third vertical plate and the first vertical plate.
6. The fixing base frame of the red tide algae recognition device according to claim 2, wherein: first photoelectric detector mounting bracket with second photoelectric detector mounting bracket all includes a rectangular plate, the rectangular plate with the up end of first fixing base is perpendicular, just the lower extreme of rectangular plate is fixed on the up end of first fixing base, the upper end of rectangular plate is to keeping away from the direction of first fixing base extends, just a mounting hole has been seted up on the rectangular plate, be used for fixed first photoelectric detector or second photoelectric detector in the mounting hole.
7. The fixing base frame of the red tide algae recognition device according to claim 3, wherein: the light splitting element mounting frame is a rectangular groove, a limiting part is fixed at each of four corners of the rectangular groove, the limiting parts protrude out of the middle parts of four side walls of the rectangular groove, and the light splitting element is fixed in the rectangular groove.
8. The fixing base frame of the red tide algae recognition device according to claim 1, wherein: the light source mounting bracket is a rectangular plate, a through groove is formed in the upper end of the light source mounting bracket, the through groove is communicated with the light source mounting bracket in the thickness direction of the light source mounting bracket, and the through groove is used for embedding a light source and enabling the light source to face the light splitting element mounting bracket.
9. The fixing base frame of the red tide algae recognition device according to claim 1, wherein: the diffraction grating mounting bracket with the up end of base is perpendicular, just the slope of diffraction grating mounting bracket sets up, behind the fixed diffraction grating in the diffraction grating mounting bracket, the acute angle that presss from both sides between the light that diffraction grating and slit structure jetted out is 83.35, the diffraction grating mounting bracket includes snap ring and draw-in groove, be used for imbedding the diffraction grating in the draw-in groove, just correspond on the base a screw hole has respectively been seted up to the position at draw-in groove both ends, the snap ring includes spacing section and two canned paragraph, two the canned paragraph is fixed respectively the both ends of spacing section, just spacing section is used for blocking the upper end and two relative lateral walls of diffraction grating, two a spacing hole has been seted up on the canned paragraph respectively, spacing hole with the screw hole passes through bolted connection.
10. The fixing base frame of the red tide algae recognition device according to claim 1, wherein: the lower extreme of spectral measurement component mounting bracket is fixed on the base, the upper end of spectral measurement component mounting bracket is to keeping away from the direction of base extends, just spectral measurement component mounting bracket respectively is equipped with a rectangular hole at the ascending both ends of length direction, the length direction in rectangular hole is perpendicular with the horizontal plane, and connects through bolt and nut rectangular hole and spectral measurement component's both ends.
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| CN202110531656.6A CN113218867A (en) | 2021-05-17 | 2021-05-17 | Fixed bed frame of red tide algae recognition device |
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| CN202110531656.6A CN113218867A (en) | 2021-05-17 | 2021-05-17 | Fixed bed frame of red tide algae recognition device |
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