CN113759378A - Ultrasonic ranging device - Google Patents
Ultrasonic ranging device Download PDFInfo
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- CN113759378A CN113759378A CN202111060252.XA CN202111060252A CN113759378A CN 113759378 A CN113759378 A CN 113759378A CN 202111060252 A CN202111060252 A CN 202111060252A CN 113759378 A CN113759378 A CN 113759378A
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- 238000007789 sealing Methods 0.000 claims description 10
- 230000002093 peripheral effect Effects 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 5
- 238000004804 winding Methods 0.000 claims description 3
- 238000005259 measurement Methods 0.000 abstract description 16
- 238000009434 installation Methods 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
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Classifications
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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
- G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
- G01S15/02—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems using reflection of acoustic waves
- G01S15/06—Systems determining the position data of a target
- G01S15/08—Systems 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
- G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
- G01S7/521—Constructional features
Abstract
The invention relates to the technical field of distance measurement, in particular to an ultrasonic distance measurement device which comprises a lifting frame, a first supporting plate, a first rotating ball, a rotating disc, a second rotating ball and a power supply, wherein the lifting frame is arranged on the upper portion of the lifting frame; the top of the lifting frame is provided with a box body; the first supporting plate is arranged at the bottom of the box body, a spherical groove is formed in the first supporting plate, the first rotating ball is rotatably arranged in the spherical groove, and a supporting rod is arranged on the first rotating ball; the turntable is arranged at the end part of the support rod, the laser generator and the mounting plate are arranged on the turntable, and the ultrasonic transceiver is arranged on the mounting plate; the second rotating ball is rotatably arranged on the turntable, a plurality of stages of mutually sleeved cylinders are arranged on the second rotating ball, and the end parts of one group of cylinders with the smallest diameter are provided with temperature sensors; the power supply is arranged in the box body, and a control system is arranged in the box body. According to the invention, the precision of distance measurement is greatly improved by accurately adjusting the position of the ultrasonic transceiver and additionally arranging temperature correction.
Description
Technical Field
The invention relates to the technical field of distance measurement, in particular to an ultrasonic distance measuring device.
Background
Because ultrasonic has strong directivity and slow energy consumption, and the distance of propagation in a medium is long, ultrasonic is often used for measuring distance, such as a distance meter, a level meter and the like can be realized by ultrasonic, and the ultrasonic distance measurement is generally within 5 meters. The ultrasonic is a mechanical vibration mode, generally can propagate in the medium with the mode of longitudinal wave, be an energy propagation form, its difference is that ultrasonic frequency is high, the wavelength is short, it has good beam nature and directionality to propagate along the straight line in certain distance, therefore if need pass through ultrasonic measurement distance, just need to guarantee that ultrasonic wave sends the direction and the measured object is just right, otherwise lead to measuring the deviation easily, current ultrasonic ranging device only relies on operator to look at and carries out angle modulation, measurement accuracy is difficult to guarantee, and ultrasonic wave calculates according to the speed under the normal atmospheric temperature when ultrasonic ranging device distance calculates now, different temperature has certain influence to ultrasonic transmission speed in fact, if do not eliminate the error that the temperature brought, can further reduce measurement accuracy, do not conform to the high accuracy range finding requirement.
Chinese utility model patent publication number is a portable ultrasonic ranging device for civil engineering that CN213338031U provided, the inside ultrasonic device of device body, positioner and telescope can at first aim at the range finding position, but laser emitter and supersonic generator transmitting direction are parallel, if for great object, measurement accuracy can guarantee, but if very little object, must make and can't form the straight line relation between ultrasonic wave and the object, it is great to cause the measuring distance value than actual distance value, obviously be impermissible with in the high accuracy occasion.
Disclosure of Invention
The invention aims to provide an ultrasonic ranging device aiming at the problems that the precision is reduced and the influence caused by temperature is not eliminated because the ultrasonic wave and an object cannot form a linear relation in the prior art.
On one hand, the invention provides an ultrasonic ranging device, which comprises a lifting frame, a first supporting plate, a first rotating ball, a rotating disc, a second rotating ball, a power supply and a power supply interface, wherein the lifting frame is arranged on the upper surface of the rotating disc;
the bottom of the lifting frame is provided with a plurality of groups of supporting legs, the top of the lifting frame is provided with a box body, and the top and one side of the box body are opened; the first supporting plate is arranged on the inner side of the bottom of the box body, a spherical groove is formed in the first supporting plate, openings are formed in the spherical groove on the end faces, facing towards and away from the rotary table, of the first supporting plate, the first rotary ball is arranged in the spherical groove in a matched and rotating mode, a first limiting assembly for limiting the first rotary ball to rotate is arranged in the box body, and a supporting rod is arranged on the first rotary ball; the turntable is vertically and rotatably arranged at the end part of the supporting rod, a laser generator and an installation plate are arranged on the end surface of the turntable, which is opposite to the first supporting plate, an ultrasonic transceiver is arranged on the installation plate, the laser generator and the ultrasonic transceiver are positioned at two ends of the diameter of the turntable, and a second limiting assembly for limiting the rotation of the turntable is arranged on the supporting rod; the second rotating ball is rotatably arranged on the turntable, a plurality of stages of mutually sleeved cylinders are arranged on the second rotating ball, one ends of the plurality of groups of cylinders, which are far away from the second rotating ball, are provided with sealing and limiting devices, the sealing and limiting devices are used for sealing gaps between two groups of adjacent cylinders and simultaneously limiting one group of cylinders in the cylinders not to slide out from the cylinders in the outside, one end of the group of cylinders, which is far away from the second rotating ball, with the smallest diameter is provided with a temperature sensor, the turntable is provided with a telescopic adjusting assembly, the telescopic adjusting assembly is used for extending or contracting the plurality of groups of cylinders, and the turntable is provided with a horizontal adjusting assembly used for adjusting the angles of the cylinders; the power setting is in the box body, and power source is provided on the box body, and power source electric connection are provided with control system in the box body.
Preferably, the first limiting assembly comprises an electric telescopic rod and a clamping block; the electric telescopic rod is horizontally arranged on the inner wall of the box body; the clamp splice sets up the tip at electric telescopic handle, and the clamp splice is spherical towards the terminal surface of first ball that rotates, and spherical surface and the laminating of first ball outer peripheral face rotate.
Preferably, the second limiting assembly comprises a second supporting plate, a limiting rod and a spring; the second supporting plate is arranged on the supporting rod, is parallel to the turntable and is provided with a through hole for the limiting rod to pass through; two groups of blind holes are arranged on the end surface of the rotary table facing the second supporting plate and are positioned at two ends of the diameter of the rotary table; one end of the limiting rod is provided with a limiting plate, and the other end of the limiting rod penetrates through the through hole and is inserted into the blind hole in a matched mode; the spring sleeve is on the gag lever post, and spring one end is connected with the limiting plate, and the spring other end is connected with the second backup pad, and the spring is in tensile state.
Preferably, the telescopic adjusting assembly comprises a pull rope, a power device, a reel, a first inflating device and a first ventilating hose; the first air charging device is arranged on the rotary table and is communicated with the inner cavity of the barrel body on the outermost side in the first air hose; the power device is arranged on the end face of the rotary disc, which is opposite to the cylinder body, and the reel is arranged on a rotating shaft of the power device; one end of the pull rope is wound on the winding wheel, and the other end of the pull rope penetrates through the rotary disc and the second rotating ball to extend into the multiple groups of cylinders and is connected with the temperature sensor.
Preferably, the horizontal adjusting assembly comprises a second inflating device, an air bag, a bottom baffle, a limiting ring, a side baffle and a top baffle; the top baffle is horizontally arranged on the turntable and is positioned above the second rotating ball; the side baffles are arranged in two groups which are parallel to each other, the side baffles are vertically arranged, and the side baffles are positioned below the top baffle; the bottom baffle is rotatably arranged on the turntable, the bottom baffle is horizontally arranged, and the bottom baffle is positioned between the two groups of side baffles; the second inflating device is arranged on the side baffle plate and is communicated with the air bag through a second ventilating hose, the air bag is arranged on the turntable, and the air bag is positioned below the bottom baffle plate and is in extrusion contact with the bottom of the bottom baffle plate; the spacing ring sets up on the barrel in the outside, and the spacing ring periphery wall all contacts with end baffle, top baffle and two sets of side shields, and the spacing ring sets up the multiunit.
Preferably, the mounting plate has a length greater than the length of the side and top baffles.
Preferably, set up the protruding shifting block of multiunit on the carousel periphery wall, the protruding shifting block of multiunit uses the carousel axis to evenly distributed along the circumference as the center.
In another aspect, the present invention provides an ultrasonic ranging method of the ultrasonic ranging apparatus, including the following steps: s1, opening a plurality of groups of supporting legs, placing the lifting frame at a required position, and opening a laser generator to emit laser; s2, adjusting the height of the lifting frame and the angle of the first rotating ball to enable the laser to be opposite to the object to be measured, then pushing the clamping block to be tightly pressed on the first rotating ball through the electric telescopic rod to fix the first rotating ball, and closing the laser generator; s3, pulling out the limiting rod from the blind hole, rotating the turntable by one hundred eighty degrees to enable the ultrasonic transceiver to rotate to the position of the original laser generator, and then inserting the limiting rod into the other group of blind holes; s4, inflating the air bag by the second inflating device to drive the bottom baffle plate to turn upwards, pushing the barrel upwards by the bottom baffle plate to enable the barrel to be in a horizontal state, inflating the barrel by the first inflating device, sequentially extending a plurality of groups of barrels to drive the temperature sensors to move, collecting temperature data once every a set time A by the temperature sensors, sending the temperature data to the control system, and correcting the ultrasonic propagation speed by the control system; s5, after the temperature data are collected, the first inflation device pumps air in the cylinder, the second inflation device pumps air in the air bag, meanwhile, the power device drives the reel to rotate, and the reel drives the pull ropes to retract the multiple groups of cylinders; and S6, the ultrasonic transceiver sends out ultrasonic waves and receives the reflected ultrasonic waves, the ultrasonic waves are processed by the amplifying circuit to obtain the propagation time, and the measurement distance is obtained according to the corrected propagation speed of the ultrasonic waves.
Compared with the prior art, the invention has the following beneficial technical effects: opening a plurality of groups of supporting legs, placing a lifting frame at a required position, opening a laser generator to emit laser, adjusting the height of the lifting frame and adjusting the angle of a first rotating ball to enable the laser to be right opposite to a measured object, fixing the first rotating ball through a first limiting assembly, closing the laser generator, rotating the rotating disc by one hundred eighty degrees to enable an ultrasonic transceiver to rotate to the position of the original laser generator, fixing the rotating disc through a second limiting assembly, enabling the barrel to be in a horizontal state through a horizontal adjusting assembly, enabling a plurality of groups of barrels to extend out through a telescopic adjusting assembly, enabling a temperature sensor to collect a plurality of groups of temperature data and transmit the temperature data to a control system, enabling the plurality of groups of barrels to be sequentially withdrawn through the telescopic adjusting assembly after the temperature data is collected, enabling the barrels to be in a vertical state through the horizontal adjusting assembly to reduce the occupied space, enabling the ultrasonic transceiver to emit ultrasonic waves and receive the reflected ultrasonic waves, the propagation time is obtained after the processing of the amplifying circuit, and the measurement distance is obtained according to the corrected ultrasonic propagation speed. In conclusion, the position of the ultrasonic transceiver is accurately adjusted to be completely opposite to the measured object, so that the distance measurement precision is improved, the temperature correction is additionally arranged, the calculated value of the ultrasonic wave is ensured to be in accordance with the propagation speed value in the actual temperature, the deviation of the calculated result caused by the inconsistency of the propagation speeds of the ultrasonic wave due to different temperatures is avoided, and the precision of the ultrasonic distance measurement is further improved.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a front cross-sectional view of FIG. 1;
FIG. 3 is a top view of FIG. 1;
FIG. 4 is an enlarged schematic view of FIG. 2 at A;
fig. 5 is a flowchart of an ultrasonic ranging method.
Reference numerals: 1. a lifting frame; 2. supporting legs; 3. a box body; 4. a first support plate; 5. a first rotating ball; 6. a support bar; 7. a turntable; 8. mounting a plate; 9. an ultrasonic transceiver; 10. a laser generator; 11. a raised shifting block; 12. a second rotating ball; 13. a barrel; 14. sealing the limiting device; 15. a temperature sensor; 16. pulling a rope; 17. a power plant; 18. a reel; 19. a first inflator; 20. a first air hose; 21. a second inflator; 22. an air bag; 23. a bottom baffle; 24. a limiting ring; 25. a side dam; 26. a top baffle; 27. an electric telescopic rod; 28. a clamping block; 29. a power source; 30. a power interface; 31. a second support plate; 32. a limiting rod; 33. a limiting plate; 34. a spring.
Detailed Description
Example one
As shown in fig. 1-4, the ultrasonic ranging device provided by the present invention comprises a lifting frame 1, a first supporting plate 4, a first rotating ball 5, a rotating disc 7, a second rotating ball 12, a power supply 29 and a power supply interface 30;
the bottom of the lifting frame 1 is provided with a plurality of groups of supporting legs 2, the top of the lifting frame 1 is provided with a box body 3, and the top and one side of the box body 3 are opened; the first supporting plate 4 is arranged on the inner side of the bottom of the box body 3, a spherical groove is formed in the first supporting plate 4, openings are formed in the end face, facing towards and away from the rotary table 7, of the first supporting plate 4, the first rotary ball 5 is arranged in the spherical groove in a matched and rotating mode, a first limiting assembly for limiting the rotation of the first rotary ball 5 is arranged in the box body 3, and a supporting rod 6 is arranged on the first rotary ball 5; the turntable 7 is vertically and rotatably arranged at the end part of the support rod 6, the end surface of the turntable 7, which is opposite to the first support plate 4, is provided with a laser generator 10 and a mounting plate 8, the mounting plate 8 is provided with an ultrasonic transceiver 9, the laser generator 10 and the ultrasonic transceiver 9 are positioned at two ends of the diameter of the turntable 7, and the support rod 6 is provided with a second limiting assembly for limiting the rotation of the turntable 7; the second rotating ball 12 is rotatably arranged on the rotating disc 7, a plurality of stages of mutually sleeved cylinder bodies 13 are arranged on the second rotating ball 12, a sealing limiting device 14 is arranged at one end, far away from the second rotating ball 12, of each group of cylinder bodies 13, the sealing limiting device 14 is used for sealing a gap between two adjacent groups of cylinder bodies 13 and limiting the inner group of cylinder bodies 13 not to slide out of the outer cylinder body 13, a temperature sensor 15 is arranged at one end, far away from the second rotating ball 12, of the group of cylinder bodies 13 with the smallest diameter, a telescopic adjusting assembly is arranged on the rotating disc 7 and used for enabling the plurality of groups of cylinder bodies 13 to extend or contract, and a horizontal adjusting assembly used for adjusting the angle of the cylinder bodies 13 is arranged on the rotating disc 7; power 29 sets up in box body 3, power source 30 sets up on box body 3, power source 30 and power 29 electric connection, be provided with control system in the box body 3, control system and first spacing subassembly, flexible adjusting part, horizontal adjusting part and ultrasonic transceiver 9 are all control connection, control system and 15 electric connection of temperature sensor, set up ultrasonic propagation speed correction module in the control system, ultrasonic propagation speed correction module is used for receiving the temperature that 15 detect of temperature sensor and deriving the average value, and input average temperature value to in the ultrasonic propagation speed formula, reach the ultrasonic propagation speed that accords with current environment, set up the timing module in the control system.
The working process of the embodiment: opening a plurality of groups of supporting legs 2, placing a lifting frame 1 at a required position, opening a laser generator 10 to emit laser, adjusting the height of the lifting frame 1 and adjusting the angle of a first rotating ball 5 to enable the laser to be just opposite to a measured object, fixing the first rotating ball 5 through a first limiting component, closing the laser generator 10, rotating a rotating disc 7 by one hundred eighty degrees to enable an ultrasonic transceiver 9 to rotate to the position of the original laser generator 10, fixing the rotating disc 7 through a second limiting component, enabling a barrel body 13 to be in a horizontal state through a horizontal adjusting component, enabling a plurality of groups of barrel bodies 13 to extend out through a telescopic adjusting component, enabling a temperature sensor 15 to collect a plurality of groups of temperature data and transmit the temperature data to a control system, enabling the plurality of groups of barrel bodies 13 to be sequentially retracted through the telescopic adjusting component after the temperature data are collected, enabling the barrel bodies 13 to be in a vertical state to reduce the occupied space through the horizontal adjusting component, enabling the ultrasonic transceiver 9 to emit ultrasonic waves and receive the reflected ultrasonic waves, the propagation time is obtained after the processing of the amplifying circuit, and the measurement distance is obtained according to the corrected ultrasonic propagation speed. In this embodiment, through accurate regulation ultrasonic transceiver 9 position, make it just to the testee completely, improved distance measurement's precision, and add the temperature correction, guarantee that the calculated value of ultrasonic wave accords with the propagation velocity value in the actual temperature, avoided different temperatures to cause the inconsistent deviation that results in the calculated result of ultrasonic wave propagation velocity to appear, further improved ultrasonic ranging's precision.
Set up the protruding shifting block 11 of multiunit on the 7 periphery walls of carousel, the protruding shifting block 11 of multiunit uses 7 axes of carousel as center along circumference evenly distributed, is convenient for rotate carousel 7.
Example two
Compared with the first embodiment, the ultrasonic ranging device provided by the invention has the advantages that the first limiting assembly comprises an electric telescopic rod 27 and a clamping block 28; the electric telescopic rod 27 is horizontally arranged on the inner wall of the box body 3; the clamp block 28 is provided at an end portion of the electric telescopic rod 27, and an end surface of the clamp block 28 facing the first rotating ball 5 is a spherical surface which is attached to an outer peripheral surface of the first rotating ball 5.
In this embodiment, the telescopic driving clamping block 28 through the electric telescopic rod 27 moves, when the clamping block 28 abuts against the first rotating ball 5, the first rotating ball 5 is fixed and cannot rotate continuously, so as to fix the rotating disc 7, and when the clamping block 28 is separated from the first rotating ball 5, the first rotating ball 5 can move freely, so that the angle of the laser generator 10 can be adjusted conveniently.
EXAMPLE III
Compared with the first embodiment, the second limiting component of the ultrasonic ranging device provided by the invention comprises a second supporting plate 31, a limiting rod 32 and a spring 34; the second supporting plate 31 is arranged on the supporting rod 6, the second supporting plate 31 is parallel to the turntable 7, and a through hole for the limiting rod 32 to pass through is formed in the second supporting plate 31; two groups of blind holes are arranged on the end surface of the turntable 7 facing the second supporting plate 31 and are positioned at two ends of the diameter of the turntable 7; one end of the limiting rod 32 is provided with a limiting plate 33, and the other end of the limiting rod 32 penetrates through the through hole and is inserted into the blind hole in a matching manner; the spring 34 is sleeved on the limiting rod 32, one end of the spring 34 is connected with the limiting plate 33, the other end of the spring 34 is connected with the second supporting plate 31, and the spring 34 is in a stretching state.
In this embodiment, can rotate carousel 7 after pulling out gag lever post 32 from the blind hole, can fix carousel 7 in inserting the blind hole with gag lever post 32, easy operation is convenient.
Example four
Compared with the first embodiment, the ultrasonic ranging device provided by the invention has the advantages that the telescopic adjusting assembly comprises a pull rope 16, a power device 17, a reel 18, a first inflation device 19 and a first ventilation hose 20; the first inflation device 19 is arranged on the rotary table 7, and the first inflation device 19 is communicated with the inner cavity of the cylinder body 13 on the outermost side in the first air hose 20; the power device 17 is arranged on the end surface of the rotary disc 7, which is opposite to the cylinder body 13, and the reel 18 is arranged on the rotating shaft of the power device 17; one end of a pull rope 16 is wound on the winding wheel 18, and the other end of the pull rope 16 penetrates through the rotary disc 7 and the second rotary ball 12 to extend into the multiple groups of cylinders 13 and is connected with the temperature sensor 15.
In this embodiment, the first inflation device 19 inflates air into the cylinders 13, and the multiple groups of cylinders 13 sequentially extend out to drive the temperature sensor 15 to move forward.
EXAMPLE five
Compared with the first embodiment, the ultrasonic ranging device provided by the invention has the advantages that the horizontal adjusting assembly comprises a second inflating device 21, an air bag 22, a bottom baffle plate 23, a limiting ring 24, a side baffle plate 25 and a top baffle plate 26; the top baffle 26 is horizontally arranged on the turntable 7, and the top baffle 26 is positioned above the second rotating ball 12; the side baffles 25 are arranged in two groups which are parallel to each other, the side baffles 25 are vertically arranged, and the side baffles 25 are positioned below the top baffle 26; the bottom baffle 23 is rotatably arranged on the turntable 7, the bottom baffle 23 is horizontally arranged, and the bottom baffle 23 is positioned between the two groups of side baffles 25; the second inflator 21 is arranged on the side baffle 25, the second inflator 21 is communicated with the air bag 22 through a second ventilation hose, the air bag 22 is arranged on the rotary table 7, and the air bag 22 is positioned below the bottom baffle 23 and is in pressing contact with the bottom of the bottom baffle 23; the spacing ring 24 sets up on the barrel 13 of the outside, and spacing ring 24 periphery wall all contacts with end baffle 23, top baffle 26 and two sets of side shields 25, and spacing ring 24 sets up the multiunit.
In this embodiment, the second inflator 21 inflates to expand the airbag 22 to drive the bottom baffle 23 to turn upwards, the bottom baffle 23 pushes the cylinder 13 upwards to be in a horizontal state, and the outer peripheral wall of the limit ring 24 is fixed after contacting the bottom baffle 23, the top baffle 26 and the two sets of side baffles 25.
The length of the mounting plate 8 is greater than the length of the side baffle 25 and the top baffle 26, preventing the side baffle 25 from affecting the propagation of the ultrasonic waves.
EXAMPLE six
As shown in fig. 5, the ultrasonic ranging apparatus provided in the present invention further includes an ultrasonic ranging method compared with any one of the first to fifth embodiments, and is characterized by including the following steps:
s1, opening a plurality of groups of supporting legs 2, placing the lifting frame 1 at a required position, and opening the laser generator 10 to emit laser;
s2, adjusting the height of the lifting frame 1 and the angle of the first rotating ball 5 to enable the laser to be opposite to the object to be measured, then pushing the clamping block 28 to be tightly pressed on the first rotating ball 5 through the electric telescopic rod 27 to fix the first rotating ball 5, and closing the laser generator 10;
s3, pulling the limiting rod 32 out of the blind hole, rotating the turntable 7 one hundred eighty degrees to enable the ultrasonic transceiver 9 to rotate to the position of the original laser generator 10, and then inserting the limiting rod 32 into the other group of blind holes;
s4, inflating the second inflator 21 to enable the airbag 22 to expand to drive the bottom baffle 23 to turn upwards, enabling the bottom baffle 23 to push the barrel 13 upwards to be in a horizontal state, inflating the first inflator 19 into the barrel 13, sequentially extending the multiple groups of barrels 13 to drive the temperature sensors 15 to move, enabling the temperature sensors 15 to acquire temperature data once every set time A and send the temperature data to the control system, and enabling the control system to obtain an average temperature value and correct the propagation speed of ultrasonic waves;
s5, after the temperature data are collected, the first inflation device 19 pumps air in the cylinder body 13, the second inflation device 21 pumps air in the air bag 22, meanwhile, the power device 17 drives the reel 18 to rotate, and the pull rope 16 is driven by the reel 18 to withdraw the multiple groups of cylinder bodies 13;
s6, the ultrasonic transceiver 9 sends out ultrasonic waves and receives the reflected ultrasonic waves, the propagation time is obtained after the ultrasonic waves are processed by the amplifying circuit, and then the measurement distance is obtained according to the corrected ultrasonic wave propagation speed.
The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited thereto, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.
Claims (8)
1. An ultrasonic ranging device is characterized by comprising a lifting frame (1), a first supporting plate (4), a first rotating ball (5), a rotating disc (7), a second rotating ball (12), a power supply (29) and a power supply interface (30);
a plurality of groups of supporting legs (2) are arranged at the bottom of the lifting frame (1), a box body (3) is arranged at the top of the lifting frame (1), and the top and one side of the box body (3) are opened; the first supporting plate (4) is arranged on the inner side of the bottom of the box body (3), a spherical groove is formed in the first supporting plate (4), openings are formed in the end faces, facing towards and away from the rotary disc (7), of the first supporting plate (4), the first rotary ball (5) is arranged in the spherical groove in a matched and rotating mode, a first limiting component for limiting the first rotary ball (5) to rotate is arranged in the box body (3), and a supporting rod (6) is arranged on the first rotary ball (5); the turntable (7) is vertically and rotatably arranged at the end part of the support rod (6), a laser generator (10) and a mounting plate (8) are arranged on the end surface of the turntable (7) back to the first support plate (4), an ultrasonic transceiver (9) is arranged on the mounting plate (8), the laser generator (10) and the ultrasonic transceiver (9) are positioned at two ends of the diameter of the turntable (7), and a second limiting component for limiting the rotation of the turntable (7) is arranged on the support rod (6); the second rotating ball (12) is rotatably arranged on the rotating disc (7), a plurality of stages of mutually sleeved cylinder bodies (13) are arranged on the second rotating ball (12), a sealing limiting device (14) is arranged at one end, far away from the second rotating ball (12), of a plurality of groups of cylinder bodies (13), the sealing limiting device (14) is used for sealing a gap between two adjacent groups of cylinder bodies (13) and limiting the inner group of cylinder bodies (13) not to slide out of the outer cylinder body (13), a temperature sensor (15) is arranged at one end, far away from the second rotating ball (12), of the group of cylinder bodies (13) with the smallest diameter, a telescopic adjusting assembly is arranged on the rotating disc (7) and used for extending or contracting the plurality of groups of cylinder bodies (13), and a horizontal adjusting assembly used for adjusting the angles of the cylinder bodies (13) is arranged on the rotating disc (7); the power supply (29) is arranged in the box body (3), the power supply interface (30) is arranged on the box body (3), the power supply interface (30) is electrically connected with the power supply (29), and the control system is arranged in the box body (3).
2. An ultrasonic ranging device according to claim 1, characterized in that the first limit assembly comprises an electric telescopic rod (27) and a clamping block (28); the electric telescopic rod (27) is horizontally arranged on the inner wall of the box body (3); the clamping block (28) is arranged at the end part of the electric telescopic rod (27), the end face, facing the first rotating ball (5), of the clamping block (28) is a spherical surface, and the spherical surface is attached to the outer peripheral surface of the first rotating ball (5).
3. An ultrasonic ranging device according to claim 1, characterized in that the second stop assembly comprises a second support plate (31), a stop bar (32) and a spring (34); the second supporting plate (31) is arranged on the supporting rod (6), the second supporting plate (31) is parallel to the turntable (7), and a through hole for the limiting rod (32) to pass through is formed in the second supporting plate (31); two groups of blind holes are arranged on the end surface of the turntable (7) facing the second supporting plate (31), and the two groups of blind holes are positioned at two ends of the diameter of the turntable (7); one end of the limiting rod (32) is provided with a limiting plate (33), and the other end of the limiting rod (32) penetrates through the through hole and is inserted into the blind hole in a matched mode; the spring (34) is sleeved on the limiting rod (32), one end of the spring (34) is connected with the limiting plate (33), the other end of the spring (34) is connected with the second supporting plate (31), and the spring (34) is in a stretching state.
4. An ultrasonic ranging device according to claim 1, characterized in that the telescopic adjustment assembly comprises a pull cord (16), a power device (17), a reel (18), a first inflation device (19) and a first air hose (20); the first air charging device (19) is arranged on the rotary table (7), and the first air charging device (19) is communicated with the inner cavity of the cylinder body (13) on the outermost side in the first air hose (20); the power device (17) is arranged on the end face, back to the cylinder body (13), of the rotating disc (7), and the reel (18) is arranged on a rotating shaft of the power device (17); one end of a pull rope (16) is wound on the winding wheel (18), and the other end of the pull rope (16) penetrates through the rotary disc (7) and the second rotating ball (12) to extend into the plurality of groups of cylinders (13) and is connected with the temperature sensor (15).
5. An ultrasonic ranging device according to claim 1, characterized in that the level adjustment assembly comprises a second inflator (21), an airbag (22), a bottom flap (23), a stop collar (24), a side flap (25) and a top flap (26); the top baffle (26) is horizontally arranged on the turntable (7), and the top baffle (26) is positioned above the second rotating ball (12); the side baffles (25) are arranged in two groups which are parallel to each other, the side baffles (25) are vertically arranged, and the side baffles (25) are positioned below the top baffle (26); the bottom baffle (23) is rotatably arranged on the turntable (7), the bottom baffle (23) is horizontally arranged, and the bottom baffle (23) is positioned between the two groups of side baffles (25); the second inflating device (21) is arranged on the side baffle (25), the second inflating device (21) is communicated with the air bag (22) through a second ventilating hose, the air bag (22) is arranged on the rotary table (7), and the air bag (22) is positioned below the bottom baffle (23) and is in pressing contact with the bottom of the bottom baffle (23); the limiting ring (24) is arranged on the outermost side barrel body (13), the outer peripheral wall of the limiting ring (24) is in contact with the bottom baffle (23), the top baffle (26) and the two sets of side baffles (25), and the limiting ring (24) is provided with a plurality of groups.
6. An ultrasonic ranging device according to claim 5, characterized in that the length of the mounting plate (8) is greater than the length of the side and top baffles (25, 26).
7. The ultrasonic ranging device according to claim 1, wherein a plurality of sets of raised shifting blocks (11) are arranged on the outer peripheral wall of the turntable (7), and the plurality of sets of raised shifting blocks (11) are uniformly distributed along the circumference with the axis of the turntable (7) as the center.
8. An ultrasonic ranging method of the ultrasonic ranging apparatus as claimed in any one of claims 1 to 7, comprising the steps of:
s1, opening a plurality of groups of supporting legs (2), placing the lifting frame (1) at a required position, and opening the laser generator (10) to emit laser;
s2, adjusting the height of the lifting frame (1) and the angle of the first rotating ball (5) to enable laser to face a measured object, then pushing the clamping block (28) to be tightly pressed on the first rotating ball (5) through the electric telescopic rod (27) to fix the first rotating ball (5), and closing the laser generator (10);
s3, pulling out the limiting rod (32) from the blind hole, rotating the turntable (7) by one hundred eighty degrees to enable the ultrasonic transceiver (9) to rotate to the position of the original laser generator (10), and then inserting the limiting rod (32) into the other group of blind holes;
s4, inflating a second inflating device (21) to enable an airbag (22) to expand to drive a bottom baffle (23) to turn upwards, enabling the bottom baffle (23) to push the cylinder body (13) upwards to be in a horizontal state, inflating the cylinder body (13) by a first inflating device (19), sequentially extending a plurality of groups of cylinder bodies (13) to drive a temperature sensor (15) to move, acquiring temperature data once every set time A by the temperature sensor (15), sending the temperature data to a control system, and enabling the control system to obtain an average temperature value and correct the propagation speed of ultrasonic waves;
s5, after the temperature data are collected, the first inflation device (19) pumps air in the cylinders (13), the second inflation device (21) pumps air in the air bag (22), meanwhile, the power device (17) drives the reel (18) to rotate, and the reel (18) drives the pull rope (16) to retract the multiple groups of cylinders (13);
s6, the ultrasonic transceiver (9) sends out ultrasonic waves and receives the reflected ultrasonic waves, the propagation time is obtained after the ultrasonic waves are processed by the amplifying circuit, and the measuring distance is obtained according to the corrected ultrasonic wave propagation speed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111060252.XA CN113759378A (en) | 2021-09-10 | 2021-09-10 | Ultrasonic ranging device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111060252.XA CN113759378A (en) | 2021-09-10 | 2021-09-10 | Ultrasonic ranging device |
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| CN113759378A true CN113759378A (en) | 2021-12-07 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104459705A (en) * | 2014-12-05 | 2015-03-25 | 苏州市欧博锐自动化科技有限公司 | Ultrasonic ranging system with temperature compensation function |
| CN205404495U (en) * | 2016-02-24 | 2016-07-27 | 安徽理工大学 | Ultrasonic testing device that can pinpoint |
| CN213338031U (en) * | 2019-12-19 | 2021-06-01 | 孙宁波 | Portable ultrasonic ranging device for civil engineering |
| CN113048918A (en) * | 2021-03-25 | 2021-06-29 | 长春理工大学 | Device and method for detecting consistency of emission axis and aiming axis |
| CN214041727U (en) * | 2021-01-11 | 2021-08-24 | 成都大学 | Portable ultrasonic ranging device for civil engineering |
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2021
- 2021-09-10 CN CN202111060252.XA patent/CN113759378A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104459705A (en) * | 2014-12-05 | 2015-03-25 | 苏州市欧博锐自动化科技有限公司 | Ultrasonic ranging system with temperature compensation function |
| CN205404495U (en) * | 2016-02-24 | 2016-07-27 | 安徽理工大学 | Ultrasonic testing device that can pinpoint |
| CN213338031U (en) * | 2019-12-19 | 2021-06-01 | 孙宁波 | Portable ultrasonic ranging device for civil engineering |
| CN214041727U (en) * | 2021-01-11 | 2021-08-24 | 成都大学 | Portable ultrasonic ranging device for civil engineering |
| CN113048918A (en) * | 2021-03-25 | 2021-06-29 | 长春理工大学 | Device and method for detecting consistency of emission axis and aiming axis |
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