CN216848143U - Laser range finder based on FPGA high accuracy low energy pulse range finding - Google Patents
Laser range finder based on FPGA high accuracy low energy pulse range finding Download PDFInfo
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- CN216848143U CN216848143U CN202220252336.7U CN202220252336U CN216848143U CN 216848143 U CN216848143 U CN 216848143U CN 202220252336 U CN202220252336 U CN 202220252336U CN 216848143 U CN216848143 U CN 216848143U
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Abstract
The utility model relates to a range unit technical field, concretely relates to laser rangefinder based on FPGA high accuracy low energy pulse range finding, the on-line screen storage device comprises a base, the top of base has linked firmly the mobile jib, vice pole has been cup jointed in the top slip of mobile jib, the mounting box has been linked firmly on the top of vice pole, the mounting groove has been seted up on the top of mounting box, the distancer body is installed to the inner wall joint of mounting groove, open slot one has been seted up to the one end lateral wall of mounting box, open slot two has been seted up to the other end lateral wall of mounting box. The utility model discloses in, through the setting of mounting box and auxiliary rod, the auxiliary rod drives the joint cover through splint one and splint two and rotates, and the joint cover drives the joint and rotates, and the distancer body makes the benchmark end on the axis of auxiliary rod all the time through the restriction of mounting box when rotating simultaneously to make the benchmark end position inconvenient, reduce measuring error, the convenience carries out multi-directional distance measurement at a measuring point.
Description
Technical Field
The utility model relates to a range unit technical field, concretely relates to laser range finder based on FPGA high accuracy low energy pulse range finding.
Background
The FPGA device belongs to a semi-custom circuit in an application-specific integrated circuit, is a programmable logic array, can effectively solve the problem that the number of gate circuits of the original device is small, and has the characteristics of high precision and low energy because the FPGA has rich wiring resources and high repeated programming and integration level and adopts a pulse generator made of the FPGA circuit.
The basis of the existing indoor laser range finder is arranged at one end of the range finder, when an indoor building is measured, the reference end needs to be attached to a wall for measurement, the direction perpendicular to the wall can only be measured, and transverse and longitudinal measurement at one measuring point is difficult.
SUMMERY OF THE UTILITY MODEL
In order to overcome the technical problem, the utility model aims to provide a laser range finder based on FPGA high accuracy low energy pulse range finding, setting through mounting box and auxiliary rod, the auxiliary rod drives the joint cover through splint one and splint two and rotates, the joint cover drives the joint and rotates, the distancer body is when rotating simultaneously, restriction through the mounting box makes the reference end be on the axis of auxiliary rod all the time, thereby it is inconvenient to make the reference end position, reduce measuring error, conveniently carry out multi-directional distance measurement at a measuring point, setting through draw-in groove and reset spring, make things convenient for the accurate rotation 90 degrees of auxiliary rod, the angle that need not to calibrate the distancer body once more, make a measuring point only need calibrate the angle of distancer body once, increase measurement of efficiency.
The purpose of the utility model can be realized by the following technical scheme:
the laser range finder based on the FPGA high-precision low-energy pulse ranging comprises a base, wherein a main rod is fixedly connected to the top end of the base, an auxiliary rod is slidably sleeved at the top end of the main rod, a mounting box is fixedly connected to the top end of the auxiliary rod, a mounting groove is formed in the top end of the mounting box, a range finder body is mounted on the inner wall of the mounting groove in a clamped mode, an open groove I is formed in the outer side wall of one end of the mounting box, an open groove II is formed in the outer side wall of the other end of the mounting box, the inner side wall of one end of the mounting groove is overlapped with the central axis of the auxiliary rod, a steering mechanism for controlling the rotation of the auxiliary rod is fixedly connected to the outer side wall of the top end of the main rod, the auxiliary rod rotates to drive the range finder body to adjust the direction through the mounting box, and the reference end is always located on the axis of the auxiliary rod through the limitation of the mounting box when the range finder body rotates, therefore, the position of the reference end is unchanged, the measurement error is reduced, and multi-direction measurement can be conveniently completed at one measurement point.
The method is further characterized in that: the steering mechanism comprises a ring piece, four clamping grooves are formed in the inner side wall of the ring piece at equal angles, a lantern ring is fixedly sleeved at the top end of the outer side wall of the main rod, the bottom surface of the lantern ring is fixedly connected with a plurality of connecting rods at equal angles, one end of each connecting rod is fixedly connected with the top surface of the ring piece, the outer side wall of the auxiliary rod is provided with a clamping sleeve, the inner side wall of one end of the clamping sleeve is sleeved with a clamping joint in a sliding manner, a return spring is fixedly connected between one end of the clamping joint and the inner wall of the other end of the clamping sleeve, a stop lever is fixedly connected with the bottom surface of the other end of the clamping joint, the stop lever is matched with the clamping groove, the auxiliary lever is rotated to drive the clamping sleeve to rotate, the clamping sleeve drives the clamping joint to rotate, through the setting of draw-in groove and reset spring for the sublance rotates 90 degrees after, the joint area moves the draw-in groove joint of shelves pole and next position, conveniently makes the accurate 90 degrees of rotation of sublance, thereby makes the distancer body measure the distance of another wall.
Further, the method comprises the following steps: the outer side wall of the auxiliary rod is provided with a chute, the outer side wall of the auxiliary rod is positioned at the chute and is connected with a first clamping plate in a sliding way, the inner side wall of the auxiliary rod is positioned at the chute and is connected with a second clamping plate in a sliding way, the bottom end of the first clamping plate is fixedly connected with the top surface of a clamping sleeve, a screw rod is arranged between the first clamping plate and the second clamping plate, one end of the screw rod is rotatably sleeved with the first clamping plate, one side wall of the second clamping plate is provided with a threaded hole, the other end of the screw rod is rotatably connected with the second clamping plate through the threaded hole, one end of the screw rod is fixedly connected with a knob, the bottom end of the blocking rod is fixedly sleeved with a limiting ring, the limiting ring is attached to the bottom surface of the ring piece, the bottom surface of the clamping sleeve is attached to the top surface of the sleeve ring, the knob is rotated to drive the screw rod to rotate, so that the first clamping plate and the second clamping plate loosen the auxiliary rod, the auxiliary rod is moved up and down to adjust the height of the distance meter body, and then the first clamping plate and the second clamping plate are clamped by the clamping plate through the knob, the clamping sleeve is limited to move upwards through the contact of the limiting ring and the bottom surface of the ring piece, so that the clamping sleeve is kept immovable when the auxiliary rod moves vertically.
The method is further characterized in that: the outline of draw-in groove is convex, and the convex internal diameter of draw-in groove is greater than the external diameter of shelves pole, makes things convenient for shelves pole and draw-in groove joint.
Further, the method comprises the following steps: the bottom surface of the mounting box is fixedly connected with the auxiliary rod through the supporting rod, and the stability of the mounting box is improved.
Further, the method comprises the following steps: one end position of the connecting rod and the plurality of clamping grooves are staggered, and when the stop lever is clamped with the clamping grooves, the limiting ring is prevented from interfering with the other end of the connecting rod.
Further, the method comprises the following steps: the bottom surface of the base is fixedly connected with an anti-slip cushion layer, so that friction between the base and the top surface is increased.
The utility model has the advantages that:
1. through the arrangement of the mounting box and the auxiliary rod, the auxiliary rod drives the clamping sleeve to rotate through the first clamping plate and the second clamping plate, the clamping sleeve drives the clamping joint to rotate, and meanwhile, when the range finder body rotates, the reference end is always positioned on the axis of the auxiliary rod through the limitation of the mounting box, so that the position of the reference end is inconvenient, the measurement error is reduced, and the multi-directional distance measurement can be conveniently carried out at one measurement point;
2. through the setting of draw-in groove and reset spring for the secondary lever rotates the back, and the joint bandeau moves the draw-in groove joint of shelves pole and next position, conveniently makes the accurate 90 degrees of rotation of secondary lever, thereby makes the distancer body measure the distance of another wall, need not the angle of recalibration distancer body, makes the angle that a measuring point only need calibrate the distancer body once, increases measurement of efficiency.
Drawings
The present invention will be further described with reference to the accompanying drawings.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the structure of the middle sliding chute of the present invention;
FIG. 3 is a schematic structural view of a middle ring member of the present invention;
FIG. 4 is a schematic structural view of a steering mechanism of the present invention;
FIG. 5 is a schematic view of the structure of the middle clamping sleeve of the present invention;
fig. 6 is a schematic structural view of the mounting box of the present invention.
In the figure: 100. a base; 110. a main rod; 120. an auxiliary rod; 121. a chute; 200. mounting a box; 210. mounting grooves; 220. a first open slot; 230. a second open slot; 300. a steering mechanism; 310. a ring member; 311. a card slot; 312. a connecting rod; 313. a collar; 320. a clamping sleeve; 321. a clamping head; 322. a gear lever; 323. a return spring; 324. a first clamping plate; 325. a second clamping plate; 326. a knob; 327. a screw; 328. a limiting ring; 400. the distancer body.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-6, the laser range finder based on FPGA high-precision low-energy pulse ranging includes a base 100, a main rod 110 is fixedly connected to a top end of the base 100, an auxiliary rod 120 is slidably sleeved on a top end of the main rod 110, a mounting box 200 is fixedly connected to a top end of the auxiliary rod 120, a mounting groove 210 is formed in a top end of the mounting box 200, a range finder body 400 is mounted on an inner wall of the mounting groove 210 in a clamping manner, a first open groove 220 is formed in an outer side wall of one end of the mounting box 200, a second open groove 230 is formed in an outer side wall of the other end of the mounting box 200, an inner side wall of one end of the mounting groove 210 coincides with a central axis of the auxiliary rod 120, a steering mechanism 300 for controlling rotation of the auxiliary rod 120 is fixedly connected to an outer side wall of a top end of the main rod 110, rotation of the auxiliary rod 120 is controlled by the steering mechanism 300, the auxiliary rod 120 rotates to drive the range finder body 400 to adjust direction by the mounting box 200, when the range finder body 400 rotates, a reference end is always on an axis of the auxiliary rod 120 by restriction of the mounting box 200, therefore, the position of the reference end is unchanged, the measurement error is reduced, and multi-direction measurement can be conveniently completed at one measurement point.
The steering mechanism 300 comprises a ring 310, four clamping grooves 311 are formed in the inner side wall of the ring 310 at equal angles, a sleeve ring 313 is fixedly sleeved at the top end of the outer side wall of the main rod 110, a plurality of connecting rods 312 are fixedly connected to the bottom surface of the sleeve ring 313 at equal angles, one end of each connecting rod 312 is fixedly connected to the top surface of the ring 310, a clamping sleeve 320 is mounted on the outer side wall of the auxiliary rod 120, a clamping joint 321 is slidably sleeved on the inner side wall of one end of the clamping sleeve 320, a return spring 323 is fixedly connected between one end of the clamping joint 321 and the inner wall of the other end of the clamping sleeve 320, a stop rod 322 is fixedly connected to the bottom surface of the other end of the clamping joint 321, the stop rod 322 is engaged with the clamping groove 311, the auxiliary rod 120 is rotated, the auxiliary rod 120 drives the clamping sleeve 320 to rotate, the clamping joint 321 to rotate, the clamping joint 320 is driven by the clamping sleeve 320 to rotate, after the auxiliary rod 120 rotates 90 degrees through the arrangement of the clamping grooves 311 and the return spring 323, the clamping joint 321 drives the stop rod 322 to be engaged with the clamping groove 311 at the next position 311, so that the auxiliary rod 120 can rotate 90 degrees accurately, thereby allowing the rangefinder body 400 to measure the distance to another wall.
The outer side wall of the auxiliary rod 120 is provided with a chute 121, the outer side wall of the auxiliary rod 120 is positioned at the chute 121 and is connected with a first clamping plate 324 in a sliding manner, the inner side wall of the auxiliary rod 120 is positioned at the chute 121 and is connected with a second clamping plate 325 in a sliding manner, the bottom end of the first clamping plate 324 is fixedly connected with the top surface of the clamping sleeve 320, a screw 327 is arranged between the first clamping plate 324 and the second clamping plate 325, one end of the screw 327 is rotatably sleeved with the first clamping plate 324, a threaded hole is formed in one side wall of the second clamping plate 325, the other end of the screw 327 is rotatably connected with the second clamping plate 325 through the threaded hole, one end of the screw 327 is fixedly connected with a knob 326, the bottom end of the blocking rod 322 is fixedly sleeved with a limiting ring 328, the limiting ring 328 is attached to the bottom surface of the ring piece 310, the bottom surface of the clamping sleeve 320 is attached to the top surface of the lantern ring 313, the knob 326 is rotated to drive the screw 327 to rotate, so that the first clamping plate 324 and the second clamping plate 325 loosen the clamping of the auxiliary rod 120, and move up and down the auxiliary rod 120 to adjust the height of the range finder body 400, the secondary rod 120 is then re-clamped by the first clamp 324 and the second clamp 325 via the knob 326, and the snap sleeve 320 is restricted from moving upward by the stop ring 328 contacting the bottom surface of the ring 310, so that the snap sleeve 320 remains stationary while the secondary rod 120 moves upward and downward.
The outline of draw-in groove 311 is arc, and the convex internal diameter of draw-in groove 311 is greater than the external diameter of shelves pole 322, make things convenient for shelves pole 322 and draw-in groove 311 joint, the bracing piece has been linked firmly between the bottom surface of mounting box 200 and vice pole 120, increase the stability of mounting box 200, the one end position of connecting rod 312 all staggers with a plurality of draw-in groove 311 positions, when avoiding shelves pole 322 and draw-in groove 311 joint, spacing ring 328 interferes with the connecting rod 312 other end, the bottom surface of base 100 has linked firmly the anti-skidding bed course, increase the friction between base 100 and the top surface.
The working principle is as follows: when the range finder is used, the base 100 is placed on the ground, the base 100 is moved, the range finder body 400 is aligned to a wall in one direction, the knob 326 is rotated to drive the screw 327 to rotate, the clamping on the auxiliary rod 120 is released by the first clamping plate 324 and the second clamping plate 325, the height of the range finder body 400 is adjusted by moving the auxiliary rod 120 up and down, then the auxiliary rod 120 is clamped again by the first clamping plate 324 and the second clamping plate 325 through the knob 326, the clamping sleeve 320 is limited to move up through the contact of the limiting ring 328 and the bottom surface of the ring piece 310, the clamping sleeve 320 is kept motionless when the auxiliary rod 120 moves up and down, the distance of one wall is measured by the range finder body 400, the auxiliary rod 120 is rotated, the clamping sleeve 320 is driven to rotate by the first clamping plate 324 and the second clamping plate 325, the clamping sleeve 320 drives the clamping head 321 to rotate, and after the auxiliary rod 120 rotates 90 degrees through the arrangement of the clamping groove 311 and the return spring 323, the clamping head 321 drives the blocking rod 322 to be clamped with the clamping groove 311 in the next position, convenient 90 degrees of rotation that make vice pole 120 accurate, thereby make distancer body 400 measure the distance of another wall, realize accomplishing multi-directional measurement at a measuring point, need not to calibrate the angle of distancer body 400 once more, make the angle that a measuring point only need calibrate distancer body 400 once, increase measurement efficiency, distancer body 400 is when rotating simultaneously, restriction through mounting box 200 makes the reference end on the axis of vice pole 120 all the time, thereby make reference end position inconvenient, reduce measuring error.
In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., 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 is illustrative and explanatory only, and various modifications, additions and substitutions as described for the specific embodiments described herein may be made by those skilled in the art without departing from the scope of the invention or exceeding the scope of the invention as defined in the claims.
Claims (7)
1. The laser range finder based on FPGA high-precision low-energy pulse range finding is characterized by comprising a base (100), the top end of the base (100) is fixedly connected with a main rod (110), the top end of the main rod (110) is sleeved with an auxiliary rod (120) in a sliding manner, the top end of the auxiliary rod (120) is fixedly connected with a mounting box (200), the top end of the mounting box (200) is provided with a mounting groove (210), the inner wall of the mounting groove (210) is clamped with a distance meter body (400), an open slot I (220) is arranged on the outer side wall of one end of the mounting box (200), the outer side wall of the other end of the mounting box (200) is provided with a second open slot (230), the inner side wall of one end of the mounting groove (210) is superposed with the central axis of the auxiliary rod (120), the outer side wall of the top end of the main rod (110) is fixedly connected with a steering mechanism (300) for controlling the auxiliary rod (120) to rotate.
2. The laser range finder based on FPGA high-precision low-energy pulse ranging of claim 1, wherein the steering mechanism (300) comprises a ring (310), four slots (311) are formed in the inner side wall of the ring (310) at equal angles, a sleeve ring (313) is fixedly sleeved on the top end of the outer side wall of the main rod (110), a plurality of connecting rods (312) are fixedly connected to the bottom surface of the sleeve ring (313) at equal angles, one end of each connecting rod (312) is fixedly connected to the top surface of the ring (310), a clamping sleeve (320) is installed on the outer side wall of the auxiliary rod (120), a clamping joint (321) is slidably sleeved on the inner side wall of one end of the clamping sleeve (320), a return spring (323) is fixedly connected between one end of the clamping joint (321) and the inner wall of the other end of the clamping sleeve (320), and a stop rod (322) is fixedly connected to the bottom surface of the other end of the clamping joint (321), the stop lever (322) is matched with the clamping groove (311).
3. The laser range finder based on FPGA high-precision low-energy pulse ranging of claim 2, characterized in that a sliding groove (121) is formed in an outer side wall of the secondary rod (120), a first clamping plate (324) is slidably connected to an outer side wall of the secondary rod (120) at the position of the sliding groove (121), a second clamping plate (325) is slidably connected to an inner side wall of the secondary rod (120) at the position of the sliding groove (121), a bottom end of the first clamping plate (324) is fixedly connected with a top surface of the clamping sleeve (320), a screw rod (327) is arranged between the first clamping plate (324) and the second clamping plate (325), one end of the screw rod (327) is rotatably sleeved with the first clamping plate (324), a threaded hole is formed in a side wall of the second clamping plate (325), the other end of the screw rod (327) is rotatably connected with the second clamping plate (325) through the threaded hole, and one end of the screw rod (327) is fixedly connected with a knob (326), the bottom end of the stop rod (322) is fixedly sleeved with a limiting ring (328), the limiting ring (328) is attached to the bottom surface of the ring piece (310), and the bottom surface of the clamping sleeve (320) is attached to the top surface of the sleeve ring (313).
4. The laser range finder based on FPGA high-precision low-energy pulse range finding of claim 3, characterized in that the outer contour of the slot (311) is circular arc, and the inner diameter of the circular arc of the slot (311) is larger than the outer diameter of the stop lever (322).
5. The laser range finder based on FPGA high accuracy low energy pulse range finding of claim 1, characterized in that, a support rod is connected between the bottom surface of the mounting box (200) and the auxiliary rod (120).
6. The laser range finder based on FPGA high accuracy low energy pulse range finding of claim 2, characterized in that, the position of one end of the connecting rod (312) is staggered with the position of a plurality of card slots (311).
7. The laser range finder based on FPGA high accuracy low energy pulse range finding of claim 1, characterized in that, the bottom surface of base (100) is attached with anti-skidding bed course.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220252336.7U CN216848143U (en) | 2022-02-07 | 2022-02-07 | Laser range finder based on FPGA high accuracy low energy pulse range finding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220252336.7U CN216848143U (en) | 2022-02-07 | 2022-02-07 | Laser range finder based on FPGA high accuracy low energy pulse range finding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216848143U true CN216848143U (en) | 2022-06-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220252336.7U Active CN216848143U (en) | 2022-02-07 | 2022-02-07 | Laser range finder based on FPGA high accuracy low energy pulse range finding |
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| Country | Link |
|---|---|
| CN (1) | CN216848143U (en) |
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- 2022-02-07 CN CN202220252336.7U patent/CN216848143U/en active Active
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