1. An adjustable fixing device for a linear array camera inside a spectrometer is characterized in that: from up including mounting substrate (1), slide mechanism (2), a plurality of spring leaf and can fix linear array camera (4) and adjust linear array camera (4) the angle of pitch and the fixed establishment (3) at the roll angle down in proper order, it is a plurality of the spring leaf sets up between slide mechanism (2) and fixed establishment (3), slide mechanism (2) and mounting substrate (1) sliding connection just carry on spacingly and fixedly through first slip stop gear, fixed establishment (3) and slide mechanism (2) sliding connection just slide stop gear through the second and carry on spacingly and fixedly.

2. An adjustable fixture for a linear array camera inside a spectrometer as claimed in claim 1, wherein: fixed establishment (3) include screw rod (34), nut, solid fixed ring (31), the bracing piece (32) of vertical setting and slide bar (33) that the level set up, slide bar (33) are through bracing piece (32) and solid fixed ring (31) fixed connection, gu fixed ring (31) outer periphery set firmly with slide bar (33) horizontally fixed block (311), fixed block (311) are provided with first fixed orifices (312), slide bar (33) are provided with second fixed orifices (333), first fixed orifices (312) are coaxial with second fixed orifices (333), screw rod (34) pass first fixed orifices (312) simultaneously and are connected with the nut cooperation with second fixed orifices (333) and screw rod (34) upper end.

3. An adjustable fixing device for a linear array camera inside a spectrometer as claimed in claim 2, wherein: fixed establishment (3) still include a plurality of first screws and a plurality of spring coil, gu fixed ring (31) leading flank evenly is provided with a plurality of mounting holes (313) along circumference, it is a plurality of all be provided with first screw in mounting hole (313), the screw thread pot head of first screw is equipped with the spring coil, can fix linear array camera (4) through a plurality of first screws.

4. An adjustable fixing device for a linear array camera inside a spectrometer as claimed in claim 2, wherein: internal threads are arranged in the first fixing hole (312) and the second fixing hole (333).

5. An adjustable fixing device for a linear array camera inside a spectrometer as claimed in claim 2, wherein: slide mechanism (2) are including preceding baffle (22) and backplate (23) of vertical setting to and slide (21) that the level set up, slide (21) front end, rear end respectively with the lower extreme fixed connection of preceding baffle (22), backplate (23), slide (21) are through preceding baffle (22) and backplate (23) and fixed establishment (3) sliding connection.

6. An adjustable fixture for a linear array camera inside a spectrometer as claimed in claim 5, wherein: the second slides stop gear includes two second screws, slide bar (33) both ends are provided with first waist type hole (331) and second waist type hole (332) respectively, slide (21) both ends are provided with first screw hole (211) and second screw hole (212) along length direction respectively, first screw hole (211) and first waist type hole (331) are coaxial, second screw hole (212) and second waist type hole (332) are coaxial, one the second screw passes first waist type hole (331) and is connected with first screw hole (211) cooperatees, another the second screw passes second waist type hole (332) and is connected with second screw hole (212) cooperateing.

7. An adjustable fixture for a linear array camera inside a spectrometer as claimed in claim 5, wherein: slide mechanism (2) still include left baffle (24) and right baffle (25) of vertical setting, slide (21) left end, right-hand member respectively with the lower extreme fixed connection of left baffle (24), right baffle (25), slide (21) are through left baffle (24) and right baffle (25) and mounting substrate (1) sliding connection.

8. An adjustable fixture for a linear array camera inside a spectrometer as claimed in claim 7, wherein: first slip stop gear includes the third screw, mounting substrate (1) top is provided with third waist type hole (11) along width direction, slide (21) bottom is provided with third screw hole (213), third screw hole (213) are located third waist type hole (11) directly over, the third screw passes third waist type hole (11) and is connected with third screw hole (213) match.

9. An adjustable fixture for a linear array camera inside a spectrometer as claimed in claim 5, wherein: the spring pieces are arranged between the sliding rod (33) and the sliding plate (21).

10. An adjustable fixture for a linear array camera inside a spectrometer as claimed in claim 1, wherein: the fixing mechanism (3) is made of aluminum.

Background

The optical path calibration method of the spectrometer is complicated, the requirement on the optical parameters of the components of each part is high, high machining precision is required to ensure the reliability of the component clamp, and the adjustability structure of the clamp needs to be considered on the premise that the machining precision cannot be met in the conventional spectrometer, so that the inherent defect of the machining problem is overcome. As shown in fig. 6, the internal principle of the fiber spectrometer is that light output by an optical fiber is converted into parallel light by a collimating lens, the parallel light is split and spread by a transmission grating, and-1-level light spots are obtained and focused on a target surface of a line camera by a telecentric lens. The light received by the target surface is ideally a linear beam of light that is the thinnest and parallel to the target surface. Therefore, the target surface of the line camera needs to adjust the left-right front-back pitch roll of the clamp to achieve the maximum received light energy, and not only depends on the processing precision.

Disclosure of Invention

The invention aims to provide an adjustable fixing device for a linear array camera in a spectrometer, which can adjust the left, right, front and back focusing positions of the linear array camera and the horizontal height, the pitch angle and the roll angle of the linear array camera.

In order to solve the technical problems, the adjustable fixing device for the linear array camera in the spectrometer comprises a mounting substrate, a sliding mechanism, spring pieces and a fixing mechanism capable of fixing the linear array camera and adjusting the pitch angle and the roll angle of the linear array camera from bottom to top in sequence, wherein the spring pieces are arranged between the sliding mechanism and the fixing mechanism, the sliding mechanism is connected with the mounting substrate in a sliding mode and is limited and fixed through a first sliding limiting mechanism, and the fixing mechanism is connected with the sliding mechanism in a sliding mode and is limited and fixed through a second sliding limiting mechanism.

Preferably, the fixing mechanism comprises a screw rod, a nut, a fixing ring, a vertically arranged support rod and a horizontally arranged sliding rod, the sliding rod is fixedly connected with the fixing ring through the support rod, a fixing block horizontal to the sliding rod is fixedly arranged on the outer circumferential surface of the fixing ring, a first fixing hole is formed in the fixing block, a second fixing hole is formed in the sliding rod, the first fixing hole and the second fixing hole are coaxial, and the screw rod simultaneously penetrates through the first fixing hole, the second fixing hole and the upper end of the screw rod to be connected with the nut in a matched mode.

Preferably, fixed establishment still includes a plurality of first screws and a plurality of spring coil, and solid fixed ring leading flank evenly is provided with a plurality of mounting holes along circumference, all is provided with first screw in a plurality of mounting holes, and the screw thread pot head of first screw is equipped with the spring coil, can fix the linear array camera through a plurality of first screws.

Preferably, the first fixing hole and the second fixing hole are internally threaded.

Preferably, slide mechanism includes preceding baffle and the backplate of vertical setting to and the slide of level setting, slide front end, rear end respectively with preceding baffle, the lower extreme fixed connection of backplate, slide pass through preceding baffle and backplate and fixed establishment sliding connection.

Preferably, the second sliding limiting mechanism comprises two second screws, a first waist-shaped hole and a second waist-shaped hole are formed in two ends of the sliding rod respectively, a first threaded hole and a second threaded hole are formed in two ends of the sliding plate respectively along the length direction, the first threaded hole and the first waist-shaped hole are coaxial, the second threaded hole and the second waist-shaped hole are coaxial, one second screw penetrates through the first waist-shaped hole to be connected with the first threaded hole in a matched mode, and the other second screw penetrates through the second waist-shaped hole to be connected with the second threaded hole in a matched mode.

Preferably, slide mechanism still includes the left baffle and the right baffle of vertical setting, slide left end, right-hand member respectively with the lower extreme fixed connection of left baffle, right baffle, the slide passes through left baffle and right baffle and mounting substrate sliding connection.

Preferably, the first sliding limiting mechanism comprises a third screw, a third waist-shaped hole is formed in the top of the mounting base plate along the width direction, a third threaded hole is formed in the bottom of the sliding plate and located right above the third waist-shaped hole, and the third screw penetrates through the third waist-shaped hole and is connected with the third threaded hole in a matched mode.

Preferably, a plurality of spring plates are arranged between the sliding rod and the sliding plate.

Preferably, the fixing mechanism is made of aluminum.

The invention has the beneficial effects that:

1. by arranging the adjustable fixing device, the linear array camera can be fixed, and the pitch angle and the roll angle of the target surface of the linear array camera can be adjusted;

2. by arranging the sliding mechanism, the adjustable fixing device can slide back and forth and left and right, so that the left, right, front and back focusing positions of the linear array camera are adjusted;

3. the first sliding limiting mechanism is arranged, so that the fixing device can be limited in the front-back sliding mode and can be fixed;

4. the second sliding limiting mechanism is arranged, so that the fixing device can be limited in sliding left and right, and can be fixed;

5. the screw rod, the nut and the fixing block provided with the first fixing hole are arranged, so that the nut on the screw rod is screwed, and the fixing ring can incline towards the right side by taking the supporting rod as a fulcrum;

6. through setting up the spring leaf, adjust linear array camera's level, realize the alignment of the upper and lower height of linear array camera's target surface promptly and adjust.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic top view structure of the present invention.

Fig. 3 is a schematic structural diagram of a bottom view of the present invention.

Fig. 4 is a schematic structural diagram of the fixing mechanism of the present invention.

Fig. 5 is a schematic structural view of the sliding mechanism of the present invention.

FIG. 6 is a schematic diagram of the optical path of a prior art spectrometer.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings, 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. In addition, it should be noted that the terms of orientation such as "upper", "lower", "left", "right", "front", "back", etc. described in the present invention are determined based on the description of fig. 1, and are not intended to limit the above-mentioned orientation, but only to facilitate understanding and description.

As shown in fig. 1 to 5, the adjustable fixing device for a linear array camera inside a spectrometer of the invention sequentially comprises a mounting substrate 1, a sliding mechanism 2, spring pieces and a fixing mechanism 3 capable of fixing the linear array camera 4 and adjusting the horizontal height, the pitch angle and the roll angle of the linear array camera 4 from bottom to top, wherein the spring pieces are arranged between the sliding mechanism 2 and the fixing mechanism 3, the sliding mechanism 2 is slidably connected with the mounting substrate 1 and is limited and fixed through a first sliding limiting mechanism, and the fixing mechanism 3 is slidably connected with the sliding mechanism 2 and is limited and fixed through a second sliding limiting mechanism.

Specifically, the fixing mechanism 3 includes a screw 34, a nut, a fixing ring 31, a vertically arranged support rod 32 and a horizontally arranged slide rod 33, the slide rod 33 is fixedly connected with the fixing ring 31 through the support rod 32, a fixing block 311 which is horizontal to the slide rod 33 is fixedly arranged on the outer circumferential surface of the fixing ring 31, the fixing block 311 is provided with a first fixing hole 312, the slide rod 33 is provided with a second fixing hole 333, the first fixing hole 312 and the second fixing hole 333 are coaxial, the screw 34 simultaneously penetrates through the first fixing hole 312 and the second fixing hole 333, and the upper end of the screw 34 is connected with the nut in a matching manner.

Specifically, the fixing mechanism 3 further comprises a plurality of first screws and a plurality of spring rings, the front side face of the fixing ring 31 is evenly provided with a plurality of mounting holes 313 along the circumferential direction, the first screws are arranged in the mounting holes 313, the threaded end sleeves of the first screws are provided with the spring rings, and the linear array camera 4 can be fixed through the first screws.

Specifically, the first fixing hole 312 and the second fixing hole 333 are internally threaded.

Specifically, slide mechanism 2 includes preceding baffle 22 and the backplate 23 of vertical setting to and the slide 21 of level setting, slide 21 front end, rear end respectively with preceding baffle 22, the lower extreme fixed connection of backplate 23, slide 21 pass through preceding baffle 22 and backplate 23 and fixed establishment 3 sliding connection.

Specifically, the second sliding limiting mechanism comprises two second screws, a first waist-shaped hole 331 and a second waist-shaped hole 332 are respectively formed in two ends of the sliding rod 33, a first threaded hole 211 and a second threaded hole 212 are respectively formed in two ends of the sliding plate 21 along the length direction, the first threaded hole 211 and the first waist-shaped hole 331 are coaxial, the second threaded hole 212 and the second waist-shaped hole 332 are coaxial, one second screw penetrates through the first waist-shaped hole 331 to be connected with the first threaded hole 211 in a matched mode, and the other second screw penetrates through the second waist-shaped hole 332 to be connected with the second threaded hole 212 in a matched mode.

Specifically, slide mechanism 2 still includes the left baffle 24 and the right baffle 25 of vertical setting, slide 21 left end, right-hand member respectively with the lower extreme fixed connection of left baffle 24, right baffle 25, slide 21 pass through left baffle 24 and right baffle 25 and mounting substrate 1 sliding connection.

Specifically, first slip stop gear includes the third screw, and mounting substrate 1 top is provided with third waist type hole 11 along width direction, and slide 21 bottom is provided with third screw hole 213, and third screw hole 213 is located directly over third waist type hole 11, and the third screw passes third waist type hole 11 and is connected with third screw hole 213 cooperatees.

Specifically, a plurality of spring pieces are disposed between the slide bar 33 and the slide plate 21.

Specifically, the fixing mechanism 3 is made of aluminum.

In this embodiment, the model of the line camera 4 used by the spectrometer may be SK1024U3SH, the pixel size is 14 μm × 14 μm, the target surface width is 14.3mm, and the light received by the target surface of the line camera 4 is parallel to the mounting substrate 1 and is 50mm away from the upper surface of the mounting substrate.

The fixing mechanism 3 can slide right and left and can be fixed at a corresponding position after sliding to the position, and since the slide mechanism 2 is provided with the front flap 22 and the rear flap 23, the fixing mechanism 3 does not displace in the front-rear direction when sliding right and left. If a small part of the left side or the right side of the received light to be measured is not in the target surface area, the left and right positions of the fixing mechanism 3 can be adjusted, namely, the left and right alignment adjustment of the target surface is carried out.

The fixing mechanism 3 can slide back and forth along with the sliding mechanism 2 and is fixed at the corresponding position together with the sliding mechanism 2 after sliding to the corresponding position, thereby realizing the front and back focusing adjustment of the target surface, and because the sliding mechanism 2 is provided with the left baffle plate 24 and the right baffle plate 25, the sliding mechanism 2 can not generate the displacement in the left and right directions when sliding back and forth.

A spring piece is arranged between the fixing mechanism 3 and the sliding mechanism 2, and the distance between the circle center of the fixing ring 31 and the mounting substrate 1 can be adjusted by respectively adjusting the tightness of the two second screws, namely the upper and lower height alignment adjustment of the target surface is realized.

The fixing mechanism 3 is made of aluminum and has a certain stress adjustment capability, and the nut on the screw 34 is tightened to incline the fixing ring 31 to the right side with the support rod 32 as a fulcrum, so that the target surface can be horizontally adjusted relative to the mounting substrate 1.

The fixing ring 31 is provided with a plurality of mounting holes 313, the fixing ring is fixedly connected with the linear array camera 4 through first screws and the mounting holes 313, a spring ring is sleeved at the threaded end of the first screw, namely, after the fixing ring 31 is fixedly connected with the linear array camera 4, the spring ring is positioned between the fixing ring 31 and the linear array camera 4, and therefore the pitch angle and the roll angle of the target surface of the linear array camera 4 can be adjusted through loosening and tightening the first screws.