CN113514839A - Distance measuring device based on VCSEL (vertical cavity surface emitting laser) and distance measuring method thereof - Google Patents
Distance measuring device based on VCSEL (vertical cavity surface emitting laser) and distance measuring method thereof Download PDFInfo
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- CN113514839A CN113514839A CN202110379317.0A CN202110379317A CN113514839A CN 113514839 A CN113514839 A CN 113514839A CN 202110379317 A CN202110379317 A CN 202110379317A CN 113514839 A CN113514839 A CN 113514839A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
- G01S17/02—Systems using the reflection of electromagnetic waves other than radio waves
- G01S17/06—Systems determining position data of a target
- G01S17/08—Systems determining position data of a target for measuring distance only
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
- G01S7/481—Constructional features, e.g. arrangements of optical elements
- G01S7/4811—Constructional features, e.g. arrangements of optical elements common to transmitter and receiver
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- Computer Networks & Wireless Communication (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Electromagnetism (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Optical Radar Systems And Details Thereof (AREA)
Abstract
The invention discloses a distance measuring device based on a VCSEL laser, which comprises first linear electric cylinders in an array mode, wherein the first linear electric cylinders are distributed, first sliding blocks are arranged on the first linear electric cylinders, a platform plate is arranged on each first sliding block, a vertical plate is arranged on each platform plate, first linear electric cylinder fixing blocks distributed in an array mode are arranged on each vertical plate, second linear electric cylinders are arranged between the first linear electric cylinder fixing blocks, second sliding blocks are arranged on the second linear electric cylinders, a distance measuring mechanism mounting plate is arranged on each second sliding block together, a distance measuring mechanism bottom plate is arranged on each distance measuring mechanism mounting plate, a first sliding rail and a second sliding rail are arranged on each distance measuring mechanism bottom plate, and a third linear electric cylinder is arranged between each first sliding rail and each second sliding rail. The invention can measure distance at multiple points, has accurate distance measurement, has high automation degree of the adjusting mechanism, is fast and accurate compared with manual calibration, and reduces the operation difficulty and labor intensity of operators.
Description
Technical Field
The invention relates to the technical field of distance measurement, in particular to a distance measurement device based on a VCSEL laser and a distance measurement method thereof.
Background
The VCSEL is a vertical cavity surface emitting laser, is developed on the basis of gallium arsenide semiconductor materials, is different from other light sources such as light emitting diodes and laser diodes, has the advantages of small size, circular output light spots, single longitudinal mode output, small threshold current, low price, easiness in integration into a large-area array and the like, is widely applied to the fields of optical communication, optical interconnection, optical storage and the like, and is used for ranging by taking a laser as a light source. And are classified into a continuous laser and a pulse laser according to the way the laser operates. The laser range finder has the advantages that due to the characteristics of good monochromaticity, strong directivity and the like of laser, and the electronic circuit is integrated in a semi-conductor manner, compared with a photoelectric range finder, the laser range finder not only can work day and night, but also can improve the range finding precision, obviously reduce the weight and the power consumption, and enable the distance measurement to a far target such as an artificial earth satellite, a moon and the like to be realized. However, the main light source used in the conventional laser ranging apparatus is an EEL laser, which becomes a short board of the laser ranging apparatus due to the asymmetric beam divergence angle and high cost.
Disclosure of Invention
Compared with the traditional EEL laser, the range finding device and the range finding method based on the VCSEL laser have the advantages of small size, circular output light spots, single longitudinal mode output, small threshold current, low price, easiness in integration into a large-area array and the like, the range finding is carried out at multiple points, the range finding is accurate, the automation degree of an adjusting mechanism is high, the calibration is carried out compared with manual calibration, the speed is high, and meanwhile the operation difficulty and the labor intensity of operators are reduced.
The purpose of the invention can be realized by the following technical scheme:
a distance measuring device based on a VCSEL laser comprises first linear electric cylinders in an array, wherein the first linear electric cylinders are distributed, first sliding blocks are arranged on the first linear electric cylinders, platform plates are arranged on the first sliding blocks, vertical plates are arranged on the platform plates, first linear electric cylinder fixing blocks in an array distribution are arranged on the vertical plates, and second linear electric cylinders are arranged between the first linear electric cylinder fixing blocks;
the second linear electric cylinders are provided with second sliding blocks, the second sliding blocks are provided with ranging mechanism mounting plates together, the ranging mechanism mounting plates are provided with ranging mechanism bottom plates, the ranging mechanism bottom plates are provided with first sliding rails and second sliding rails, and third linear electric cylinders are arranged between the first sliding rails and the second sliding rails;
the third linear electric cylinder is provided with a third sliding block distributed in an array mode, the third sliding block is provided with a synchronous plate, the second sliding rail is provided with a first distance meter and a second distance meter, the first sliding rail is provided with a third distance meter and a fourth distance meter, the synchronous plate on one side is connected with the first distance meter and the third distance meter, and the synchronous plate on the other side is connected with the second distance meter and the fourth distance meter.
Furthermore, first synchronizers are arranged at one ends of the first linear electric cylinders, first connecting rods are arranged between the first synchronizers, a first servo motor is arranged at one end of each first connecting rod, second linear electric cylinder fixing blocks distributed in an array mode are further arranged at the lower ends of the first linear electric cylinders, and first supporting plates are arranged between the first sliding blocks and the vertical plates.
Furthermore, a height measurer is arranged on the second linear electric cylinder, a transverse measurer is further arranged on the second linear electric cylinder, a second connecting rod is arranged between the second linear electric cylinders, second synchronizers are arranged at one ends of the second linear electric cylinders, the second connecting rod is arranged between the second synchronizers, and a second servo motor is arranged outside the second synchronizer on one side.
Further, first slide rail and second slide rail are the mirror image with the electric jar center of third straight line and distribute, are the fourth slider that all is equipped with the array distribution on first slide rail of 45 contained angles and the second slide rail between first slide rail and the second slide rail, still are equipped with first tank area fixed plate on the range finding mechanism bottom plate, and first tank area fixed plate is installed in the first slide rail outside, is equipped with the tank area on the first tank area fixed plate, and the tank area other end is equipped with second tank area fixed plate.
Furthermore, an electric rail is arranged on the third linear electric cylinder, the third sliding block is installed on the electric rail, a third servo motor is arranged at one end of the third linear electric cylinder, first fixing screws distributed in an array mode are arranged on the synchronizing plate, wing plates distributed in a mirror image mode are further arranged on two sides of the synchronizing plate, and limiting grooves are formed in the wing plates.
Further, a first lower mounting plate is arranged at the lower end of the first range finder, a first support frame is arranged at the lower end of the first lower mounting plate, a second support plate is arranged at the lower end of the first support frame, a first limiting groove roller is arranged on the second support plate, the first limiting groove roller is arranged in a limiting groove, the second support plate is arranged on a fourth sliding block, an upper fine adjustment plate is arranged at the upper end of the second support plate, a first threaded hole is formed in the upper fine adjustment plate, a first adjusting screw is arranged in the first threaded hole, a first knob is arranged at one end of the first adjusting screw, and a first pressure head is arranged at the other end of the first adjusting screw.
Further, a second support frame is arranged at the lower end of the third distance measuring instrument, as shown in the figure, a third support plate is arranged at the lower end of the second support frame, a second limiting groove roller is arranged on the third support plate, the third support plate is fixed on the fourth sliding block, and the second limiting groove roller is arranged in the limiting groove.
Further, the second distance meter comprises a second lower mounting plate, a side adjusting plate is arranged on the second lower mounting plate, a second threaded hole is formed in the side adjusting plate, a first spring hole is formed in one side of the second threaded hole, a spring is arranged in the first spring hole, a second adjusting screw is arranged in the second threaded hole, a second pressure head is arranged at one end of the second adjusting screw, a second knob is arranged at the other end of the second adjusting screw, and a peripheral cover is arranged on the second lower mounting plate;
the peripheral cover is provided with a second fixing screw, an inner fine adjustment plate is arranged in the peripheral cover, one side of the inner fine adjustment plate is provided with a back mounting plate, the back mounting plate is provided with a third fixing screw, the back mounting plate is internally provided with an alignment hole, the inner fine adjustment plate is provided with a second spring hole, a lying part is also arranged in the second spring hole, the inner fine adjustment plate is also provided with a third fixing screw and a third threaded hole, and the peripheral cover is provided with a fourth threaded hole;
the inner fine adjustment plate is provided with a protective cover, the protective cover is provided with a fifth threaded hole, a third adjusting screw is jointly arranged in the third threaded hole and the fifth threaded hole, a third adjusting screw is also arranged in the fourth threaded hole, a third support frame is arranged at the lower end of the second lower mounting plate, a fourth support plate is arranged under the third support frame, and the upper structure of the first lower mounting plate is the same as that of the second lower mounting plate.
Further, fourth distancer lower extreme is equipped with the fourth support frame, and fourth support frame lower extreme is equipped with the fifth backup pad, and the fourth backup pad is fixed on the fourth slider, is equipped with the third spacing groove roller bearing in the fifth backup pad, and the third spacing groove roller bearing is at the spacing inslot, and fourth distancer one side is equipped with the side guard plate, still is equipped with the side connecting plate on the third support frame, is equipped with array distribution's X set screw on the side connecting plate, is equipped with third tank area fixed plate on the side connecting plate, and second tank area fixed plate is connected to third tank area fixed plate.
Further, the distance measuring method of the distance measuring device based on the VCSEL laser comprises the following steps:
the method comprises the following steps: starting a first servo motor, and adjusting the position of a second linear electric cylinder by using a first linear electric cylinder;
step two: starting a second servo motor, and adjusting the position of the bottom plate of the distance measuring mechanism by using a second linear electric cylinder;
step three: starting a third servo motor, adjusting the positions of a first distance meter, a second distance meter, a third distance meter and a fourth distance meter, wherein the first distance meter and the second distance meter are synchronous, and the third distance meter and the fourth distance meter are synchronous;
step four: the third distance meter measures the distance from the third distance meter to the fourth distance meter, and the first distance meter measures the distance from the first distance meter to the second distance meter;
step five: the second distance meter and the fourth distance meter measure the distance from the second distance meter and the fourth distance meter to the measured object;
step six: the coordinates of the measured object and various parameters are obtained according to the measured data.
The invention has the beneficial effects that:
1. compared with the traditional EEL laser, the invention has the advantages of small volume, circular output light spot, single longitudinal mode output, small threshold current, low price, easy integration into a large-area array and the like;
2. the invention can measure distance at multiple points, has accurate distance measurement, has high automation degree of the adjusting mechanism, is quick and accurate compared with manual calibration, and simultaneously reduces the operation difficulty and labor intensity of operators.
Drawings
The invention will be further described with reference to the accompanying drawings.
FIG. 1 is a schematic structural diagram of a VCSEL laser-based distance measuring device of the present invention;
FIG. 2 is a schematic diagram of a partial structure of a VCSEL laser-based distance measuring device according to the present invention;
FIG. 3 is a schematic diagram of a partial structure of a VCSEL laser-based distance measuring device according to the present invention;
FIG. 4 is a schematic diagram of a partial structure of a VCSEL laser-based distance measuring device according to the present invention;
FIG. 5 is a schematic diagram of a partial structure of a VCSEL laser-based distance measuring device according to the present invention;
FIG. 6 is a schematic diagram of a partial structure of a VCSEL laser-based distance measuring device according to the present invention;
FIG. 7 is a schematic view of a portion of a second rangefinder according to the present invention;
FIG. 8 is a schematic diagram of a second rangefinder according to the present invention;
fig. 9 is a schematic structural view of a first distance measuring device according to the present invention.
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.
In the description of the present invention, it is to be understood that the terms "opening," "upper," "lower," "thickness," "top," "middle," "length," "inner," "peripheral," and the like are used in an orientation or positional relationship that is merely for convenience in describing and simplifying the description, and do not indicate or imply that the referenced component or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present invention.
A distance measuring device based on VCSEL laser comprises an array first linear electric cylinder 1 and distributed first linear electric cylinders 1, as shown in figure 1, figure 2, figure 3, figure 4, figure 5 and figure 6, wherein the first linear electric cylinders 1 are provided with first sliding blocks 15, the first sliding blocks 15 are provided with platform plates 16, the platform plates 16 are provided with vertical plates 17, the vertical plates 17 are provided with first linear electric cylinder fixing blocks 19 distributed in an array manner, a second linear electric cylinder 2 is arranged between the first linear electric cylinder fixing blocks 19, the second linear electric cylinders 2 are provided with second sliding blocks 21, the second sliding blocks 21 are provided with distance measuring mechanism mounting plates 25 together, the distance measuring mechanism mounting plates 25 are provided with distance measuring mechanism bottom plates 3, the distance measuring mechanism bottom plates 3 are provided with first sliding rails 31 and second sliding rails 32, third linear electric cylinders 4 are arranged between the first sliding rails 31 and the second sliding rails 32, the third linear electric cylinders 4 are provided with third sliding blocks 43 distributed in an array manner, be equipped with synchronous board 5 on the third slider 43, be equipped with first distancer 6 and second distancer 8 on the second slide rail 32, be equipped with third distancer 7 and fourth distancer 9 on the first slide rail 31, first distancer 6 and third distancer 7 are connected to the synchronous board 5 of one side, and second distancer 8 and fourth distancer 9 are connected to the synchronous board 5 of opposite side.
One end of each first linear electric cylinder 1 is provided with a first synchronizer 12, as shown in fig. 1 and 4, a first connecting rod 13 is arranged between the first synchronizers 12, one end of the first connecting rod 13 is provided with a first servo motor 14, the lower end of each first linear electric cylinder 1 is further provided with second linear electric cylinder fixing blocks 11 distributed in an array manner, and a first supporting plate 18 is arranged between each first sliding block 15 and each vertical plate 17.
The second linear electric cylinder 2 is provided with a height measuring device 22, as shown in fig. 1 and 4, the second linear electric cylinder 2 is further provided with a transverse measuring device 23, a second connecting rod 26 is arranged between the second linear electric cylinders 2, one end of each of the second linear electric cylinders 2 is provided with a second synchronizer 27, the second connecting rod 26 is arranged between the second synchronizers 27, and the second synchronizer 27 on one side is externally provided with a second servo motor 24.
The third linear electric cylinder 4 is provided with an electric rail 41, as shown in fig. 2, 3 and 5, the third slider 43 is mounted on the electric rail 41, one end of the third linear electric cylinder 4 is provided with a third servo motor 42, the synchronization plate 5 is provided with first fixing screws 51 distributed in an array manner, two sides of the synchronization plate 5 are further provided with wing plates 52 distributed in a mirror image manner, and the wing plates 52 are provided with limit grooves 53.
The lower end of the first distance meter 6 is provided with a first lower mounting plate 61, as shown in fig. 2 and 9, the lower end of the first lower mounting plate 61 is provided with a first support frame 62, the lower end of the first support frame 62 is provided with a second support plate 621, the second support plate 621 is provided with a first limit groove roller 622, the first limit groove roller 622 is arranged in the limit groove 53, the second support plate 621 is arranged on the fourth slide block 33, the upper end of the second support plate is provided with an upper fine adjustment plate 63, as shown in fig. 2 and 9, the upper fine adjustment plate 63 is provided with a first threaded hole 631, a first adjusting screw 64 is arranged in the first threaded hole 631, one end of the first adjusting screw 64 is provided with a first knob, and the other end of the first adjusting screw 64 is provided with a first pressure head 642.
The lower end of the third distance measuring device 7 is provided with a second support frame 71, as shown in fig. 5, the lower end of the second support frame 71 is provided with a third support plate 72, the third support plate 72 is provided with a second limit groove roller 73, the third support plate 72 is fixed on the fourth slide block 33, and the second limit groove roller 73 is arranged in the limit groove 53.
The second distance measuring device 8 includes a second lower mounting plate 81, as shown in fig. 2, 3, 7 and 8, a side adjusting plate 811 is disposed on the second lower mounting plate 81, a second screw hole 813 is disposed on the side adjusting plate 811, a first spring hole 812 is disposed on one side of the second screw hole 813, a spring 814 is disposed in the first spring hole 812, a second adjusting screw 82 is disposed in the second screw hole 813, a second pressing head 821 is disposed at one end of the second adjusting screw 82, a second knob 822 is disposed at the other end of the second adjusting screw 82, an outer enclosure 83 is disposed on the second lower mounting plate 81, a second fixing screw 831 is disposed on the outer enclosure 83, an inner fine adjustment plate 84 is disposed in the outer enclosure 83, a back mounting plate 841 is disposed on one side of the inner fine adjustment plate 84, a third fixing screw 842 is disposed on the back mounting plate 841, an alignment hole 843 is disposed in the back mounting plate 841, a second spring hole 844 is also disposed in the second spring hole 844, a lying plate 814 is also disposed in the second spring hole 844, interior fine tuning 84 is last still to be equipped with third set screw 845 and third screw hole 846, be equipped with fourth screw hole 86 on the peripheral cover 83, be equipped with safety cover 85 on the interior fine tuning 84, be equipped with fifth screw hole 851 on the safety cover 85, be equipped with third adjusting screw 86 in third screw hole 846 and the fifth screw hole 851 jointly, be equipped with third adjusting screw 86 in the fourth screw hole 86 equally, mounting panel 81 lower extreme is equipped with third support frame 87 under the second, third support frame 87 is singly equipped with fourth backup pad 871 down, the structure is the same under first mounting panel 61 and the second on the mounting panel 81.
The lower extreme of fourth distancer 9 is equipped with fourth support frame 91, as shown in fig. 2, fig. 3, fourth support frame 91 lower extreme is equipped with fifth backup pad 96, fourth backup pad 96 is fixed on fourth slider 33, be equipped with third spacing groove roller 97 on the fifth backup pad 96, third spacing groove roller 97 is in spacing groove 53, fourth distancer 9 one side is equipped with side guard plate 92, still be equipped with side connecting plate 93 on the third support frame 91, be equipped with array distribution's X set screw 94 on the side connecting plate 93, be equipped with third tank area fixed plate 95 on the side connecting plate 93, second tank area fixed plate 36 is connected to third tank area fixed plate 95.
A distance measuring method of a distance measuring device based on a VCSEL laser comprises the following steps:
the method comprises the following steps: starting a first servo motor 14, and adjusting the position of a second linear electric cylinder 2 by using a first linear electric cylinder 1;
step two: starting a second servo motor 24, and adjusting the position of the bottom plate 3 of the distance measuring mechanism by using a second linear electric cylinder 2;
step three: starting a third servo motor 42, adjusting the positions of the first distance meter 6, the second distance meter 8, the third distance meter 7 and the fourth distance meter 9, wherein the first distance meter 6 is synchronous with the second distance meter 8, and the third distance meter 7 is synchronous with the fourth distance meter 9;
step four: the third distance meter 7 measures the distance from the third distance meter 7 to the fourth distance meter 9, and the first distance meter 6 measures the distance from the first distance meter 6 to the second distance meter 8;
step five: the second distance meter 8 and the fourth distance meter 9 measure the distance from the second distance meter 8 and the fourth distance meter 9 to the measured object;
step six: the coordinates of the measured object and various parameters are obtained according to the measured data.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed.
Claims (10)
1. A distance measuring device based on a VCSEL laser comprises first linear electric cylinders (1) in an array, and is characterized in that the first linear electric cylinders (1) are distributed, first sliding blocks (15) are arranged on the first linear electric cylinders (1), platform plates (16) are arranged on the first sliding blocks (15), vertical plates (17) are arranged on the platform plates (16), first linear electric cylinder fixing blocks (19) in an array distribution are arranged on the vertical plates (17), and second linear electric cylinders (2) are arranged between the first linear electric cylinder fixing blocks (19);
the second linear electric cylinders (2) are respectively provided with a second sliding block (21), the second sliding blocks (21) are jointly provided with a distance measuring mechanism mounting plate (25), the distance measuring mechanism mounting plate (25) is provided with a distance measuring mechanism bottom plate (3), the distance measuring mechanism bottom plate (3) is provided with a first sliding rail (31) and a second sliding rail (32), and a third linear electric cylinder (4) is arranged between the first sliding rail (31) and the second sliding rail (32);
be equipped with third slider (43) that the array distributes on third straight line electric jar (4), be equipped with synchronous board (5) on third slider (43), be equipped with first distancer (6) and second distancer (8) on second slide rail (32), be equipped with third distancer (7) and fourth distancer (9) on first slide rail (31), first distancer (6) and third distancer (7) are connected in synchronous board (5) of one side, second distancer (8) and fourth distancer (9) are connected in synchronous board (5) of opposite side.
2. A VCSEL laser based distance measuring device according to claim 1, wherein one end of each of the first linear electric cylinders (1) is provided with a first synchronizer (12), a first connecting rod (13) is arranged between the first synchronizers (12), one end of the first connecting rod (13) is provided with a first servo motor (14), the lower end of each of the first linear electric cylinders (1) is further provided with second linear electric cylinder fixing blocks (11) distributed in an array, and a first supporting plate (18) is arranged between the first sliding block (15) and the vertical plate (17).
3. A VCSEL laser based distance measuring device according to claim 1, wherein a height measuring device (22) is disposed on the second linear electric cylinder (2), a transverse measuring device (23) is further disposed on the second linear electric cylinder (2), a second connecting rod (26) is disposed between the second linear electric cylinders (2), second synchronizers (27) are disposed at one end of each of the second linear electric cylinders (2), the second connecting rod (26) is disposed between the second synchronizers (27), and a second servo motor (24) is disposed outside the second synchronizers (27) on one side.
4. A distance measuring device based on VCSEL laser as in claim 1, wherein said first slide rail (31) and said second slide rail (32) are distributed in mirror image around the center of the third linear electric cylinder (4), the first slide rail (31) and said second slide rail (32) are both provided with fourth sliders (33) distributed in array at an included angle of 45 degrees, the distance measuring mechanism bottom plate (3) is further provided with a first tank belt fixing plate (34), the first tank belt fixing plate (34) is mounted outside the first slide rail (31), the first tank belt fixing plate (34) is provided with a tank belt (35), and the other end of the tank belt (35) is provided with a second tank belt fixing plate (36).
5. The VCSEL laser-based distance measuring device according to claim 1, wherein a power rail (41) is arranged on the third linear electric cylinder (4), a third slider (43) is mounted on the power rail (41), a third servo motor (42) is arranged at one end of the third linear electric cylinder (4), first fixing screws (51) distributed in an array manner are arranged on the synchronizing plate (5), wing plates (52) distributed in a mirror image manner are further arranged on two sides of the synchronizing plate (5), and a limiting groove (53) is formed in each wing plate (52).
6. The distance measuring device based on the VCSEL laser as claimed in claim 1, wherein a first lower mounting plate (61) is arranged at a lower end of the first distance measuring instrument (6), a first supporting frame (62) is arranged at a lower end of the first lower mounting plate (61), a second supporting plate (621) is arranged at a lower end of the first supporting frame (62), a first limiting groove roller (622) is arranged on the second supporting plate (621), the first limiting groove roller (622) is arranged in a limiting groove (53), the second supporting plate (621) is arranged on the fourth sliding block (33), an upper fine adjustment plate (63) is arranged at an upper end of the second supporting plate, a first threaded hole (642) is arranged on the upper fine adjustment plate (63), a first adjusting screw (64) is arranged in the first threaded hole (631), a first knob 631 is arranged at one end of the first adjusting screw (64), and a first pressure head (642) is arranged at the other end of the first adjusting screw (64).
7. A distance measuring device based on VCSEL laser as in claim 1, wherein the third distance measuring device (7) has a second supporting frame (71) at the lower end thereof, a third supporting plate (72) is disposed at the lower end of the second supporting frame (71), a second limiting groove roller (73) is disposed on the third supporting plate (72), the third supporting plate (72) is fixed on the fourth sliding block (33), and the second limiting groove roller (73) is disposed in the limiting groove (53).
8. The distance measuring device based on the VCSEL laser as claimed in claim 1, wherein the second distance measuring instrument (8) comprises a second lower mounting plate (81), a side adjusting plate (811) is arranged on the second lower mounting plate (81), a second threaded hole (813) is arranged on the side adjusting plate (811), a first spring hole (812) is arranged on one side of the second threaded hole (813), a spring (814) is arranged in the first spring hole (812), a second adjusting screw (82) is arranged in the second threaded hole (813), a second pressure head (821) is arranged at one end of the second adjusting screw (82), a second knob (822) is arranged at the other end of the second adjusting screw (82), and a peripheral cover (83) is arranged on the second lower mounting plate (81);
the outer enclosure (83) is provided with a second fixing screw (831), an inner fine adjustment plate (84) is arranged in the outer enclosure (83), one side of the inner fine adjustment plate (84) is provided with a back mounting plate (841), the back mounting plate (841) is provided with a third fixing screw (842), the back mounting plate (841) is provided with an alignment hole (843), the inner fine adjustment plate (84) is provided with a second spring hole (844), the second spring hole (844) is also internally provided with a lying hole (814), the inner fine adjustment plate (84) is also provided with a third fixing screw (845) and a third threaded hole (846), and the outer enclosure (83) is provided with a fourth threaded hole (86);
interior fine-tuning (84) are last to be equipped with safety cover (85), are equipped with fifth screw hole (851) on safety cover (85), are equipped with third adjusting screw (86) jointly in third screw hole (846) and fifth screw hole (851), are equipped with third adjusting screw (86) in fourth screw hole (86) equally, and mounting panel (81) lower extreme is equipped with third support frame (87) under the second, and third support frame (87) are singly equipped with fourth backup pad (871) down, and mounting panel (81) is gone up the structure the same under first mounting panel (61) and the second.
9. The VCSEL laser-based distance measuring device of claim 1, wherein a fourth support frame (91) is arranged at the lower end of a fourth distance measuring instrument (9), a fifth support plate (96) is arranged at the lower end of the fourth support frame (91), the fourth support plate (96) is fixed on a fourth slider (33), a third limiting groove roller (97) is arranged on the fifth support plate (96), the third limiting groove roller (97) is arranged in a limiting groove (53), a side guard plate (92) is arranged on one side of the fourth distance measuring instrument (9), a side connecting plate (93) is further arranged on the third support frame (91), X-th fixing screws (94) distributed in an array are arranged on the side connecting plate (93), a third tank belt fixing plate (95) is arranged on the side connecting plate (93), and the third tank belt fixing plate (95) is connected with a second tank belt fixing plate (36).
10. The distance measuring device as claimed in any one of claims 1 to 9, wherein the distance measuring method of the distance measuring device based on VCSEL laser comprises the following steps:
the method comprises the following steps: starting a first servo motor (14), and adjusting the position of a second linear electric cylinder (2) by using a first linear electric cylinder (1);
step two: starting a second servo motor (24), and adjusting the position of the distance measuring mechanism bottom plate (3) by using a second linear electric cylinder (2);
step three: starting a third servo motor (42), adjusting the positions of a first distance meter (6), a second distance meter (8), a third distance meter (7) and a fourth distance meter (9), wherein the first distance meter (6) and the second distance meter (8) are synchronous, and the third distance meter (7) and the fourth distance meter (9) are synchronous;
step four: the third distance meter (7) measures the distance from the third distance meter (7) to the fourth distance meter (9), and the first distance meter (6) measures the distance from the first distance meter (6) to the second distance meter (8);
step five: the second distance meter (8) and the fourth distance meter (9) measure the distance from the second distance meter (8) and the fourth distance meter (9) to the measured object;
step six: the coordinates of the measured object and various parameters are obtained according to the measured data.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110379317.0A CN113514839B (en) | 2021-04-08 | 2021-04-08 | Distance measuring device based on VCSEL (vertical cavity surface emitting laser) and distance measuring method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN105313325A (en) * | 2014-07-24 | 2016-02-10 | 常州星宇车灯股份有限公司 | Three axis mechanical arm automatic grabbing device |
| US20170361452A1 (en) * | 2016-06-20 | 2017-12-21 | Robert Bosch Gmbh | Method and device for ascertaining the orientation of a drill relative to a plane |
| CN209784382U (en) * | 2019-03-25 | 2019-12-13 | 苏州美生高智能科技有限公司 | automatic optical detection device |
| CN209802318U (en) * | 2019-06-21 | 2019-12-17 | 福建师范大学地理研究所 | Three-dimensional measuring device for plant |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105313325A (en) * | 2014-07-24 | 2016-02-10 | 常州星宇车灯股份有限公司 | Three axis mechanical arm automatic grabbing device |
| US20170361452A1 (en) * | 2016-06-20 | 2017-12-21 | Robert Bosch Gmbh | Method and device for ascertaining the orientation of a drill relative to a plane |
| CN209784382U (en) * | 2019-03-25 | 2019-12-13 | 苏州美生高智能科技有限公司 | automatic optical detection device |
| CN209802318U (en) * | 2019-06-21 | 2019-12-17 | 福建师范大学地理研究所 | Three-dimensional measuring device for plant |
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