CN109683168A - A kind of geometric method laser imaging range unit and its measurement method - Google Patents
A kind of geometric method laser imaging range unit and its measurement method Download PDFInfo
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- CN109683168A CN109683168A CN201811619841.5A CN201811619841A CN109683168A CN 109683168 A CN109683168 A CN 109683168A CN 201811619841 A CN201811619841 A CN 201811619841A CN 109683168 A CN109683168 A CN 109683168A
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- 238000003384 imaging method Methods 0.000 title claims abstract description 70
- 238000000034 method Methods 0.000 title claims abstract description 23
- 238000000691 measurement method Methods 0.000 title claims abstract description 9
- 238000005259 measurement Methods 0.000 claims abstract description 72
- 238000006073 displacement reaction Methods 0.000 claims abstract description 45
- 230000007246 mechanism Effects 0.000 claims abstract description 11
- 230000001681 protective effect Effects 0.000 claims description 12
- 230000003287 optical effect Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000011514 reflex Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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
- 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
-
- 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
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Electromagnetism (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
The invention discloses a kind of geometric method laser imaging range unit and its measurement methods, more particularly to measuring instrument technical field, including bracket, the cradle top is equipped with measurement body, the measurement body side is equipped with imaging lens, and the imaging lens bottom is equipped with first laser transmitter, is equipped with laser displacement sensor at the top of the imaging lens, angle adjusting mechanism is fixedly connected at the top of the laser displacement sensor, the measurement internal body is equipped with ccd sensor.The present invention passes through second laser transmitter transmitting fixed point, laser displacement sensor cooperates single-chip microcontroller to calculate spot displacement, imaging lens make luminous point be sent to single-chip microcontroller analysis processing in ccd sensor internal imaging and by dot pattern picture, single-chip microcontroller will substitute into computing module convenient for the given data of measurement, it obtains measurement distance and shows data in display screen, method is simple, and operation is fast, be conducive to improve measuring accuracy, and complicated measurement environment can be applicable in.
Description
Technical field
The present invention relates to measuring instrument technical fields, it is more particularly related to which a kind of geometric method laser imaging is surveyed
Away from device and its measurement method.
Background technique
Laser range finder is a kind of instrument for measuring distance, it is to carry out Accurate Determining using distance of the laser to target
Instrument.Laser range finder projects a branch of very thin laser from laser emitter to target at work, and laser is when encountering target
Reflex can occur, the laser beam of target reflection is received by the laser pickoff that photoelectric cell forms, timer measures laser
Beam is calculated from the received time is emitted to from observer's range-to-go, and laser range finder is light-weight, small in size, operation
Simple speed is fast and accurate, and error is also smaller, is all applied in many fields.
The patent of invention of patent application publication CN 106772410A discloses a kind of laser range finder, including is equipped with water
The bracket of flat protractor, the level angle device are equipped with vertical angles device, and the center line of the level angle device is erected with described
The center line of squareness device is arranged in a mutually vertical manner；The vertical angles device is equipped with cabinet, and the cabinet is equipped with Laser emission
Device and laser pickoff, are equipped with controller in the cabinet, the laser emitter and the laser pickoff with the control
Device processed is connected；The display screen being connected with the controller and multiple keys are additionally provided on the cabinet.Using the laser range finder,
It is not only capable of measuring the distance between transmitting terminal and target point, moreover, being also capable of measuring in space with certain length target
Distance (length of target itself), meanwhile, this laser range finder can also meet the survey engineerings of some complexity, target endpoint
Vertical angles, the measurement of continuous linear section and in complex environment target measurement, it is versatile, have a wide range of application.
But still there is more disadvantage in practice in a kind of laser range finder provided in above-mentioned technical proposal,
Such as calculating process complexity, it is easy to appear error, when barrier occurs in measurement place, cannot effectively be measured.
Summary of the invention
In order to overcome the drawbacks described above of the prior art, the embodiment of the present invention provides a kind of geometric method laser imaging ranging dress
It sets and its measurement method, passes through second laser transmitter transmitting fixed point, laser displacement sensor cooperates single-chip microcontroller to calculate luminous point position
It moves, imaging lens make luminous point be sent to single-chip microcontroller analysis processing in ccd sensor internal imaging and by dot pattern picture, and single-chip microcontroller will
Computing module is substituted into convenient for the given data of measurement, obtain measurement distance and shows data in display screen, method is simple, operation
Fastly, be conducive to improve measuring accuracy, and complicated measurement environment can be applicable in.
To achieve the above object, the invention provides the following technical scheme: a kind of geometric method laser imaging range unit, including
Bracket, the cradle top are equipped with measurement body, and the measurement body side is equipped with imaging lens, and the imaging lens bottom is set
There is first laser transmitter, laser displacement sensor is equipped at the top of the imaging lens, the laser displacement sensor top is solid
Surely it is connected with angle adjusting mechanism, the measurement internal body is equipped with ccd sensor, and the ccd sensor side is equipped with monolithic
Machine, the external side of measuring machine are equipped with display screen, and the display screen bottom is equipped with equally distributed first record button, the second note
Button and triggering operation button are recorded, first record button, the second record button and triggering operation button are electromechanical with monolithic
Property connection, the single-chip microcontroller and display screen are electrically connected；
The laser displacement sensor includes second laser transmitter, receiving element and measuring circuit, the second laser
Transmitter is used for positioning measurement object, laser directive testee surface, and the laser through object reflection is received by receiving element,
Measured circuit, which records and is converted into electric signal, is sent to single-chip microcontroller analysis processing；
First record button sends out information for recording second laser transmitter luminous point initial position a point information
Give single-chip microcontroller, second record button is for recording second laser transmitter luminous point final position b point information, and by information
It is sent to single-chip microcontroller, single-chip microcontroller calculates two o'clock distance；
Computing module is equipped with inside the single-chip microcontroller, the ccd sensor is for receiving and being imaged display first laser hair
The imaging luminous point of emitter and second laser transmitter, single-chip microcontroller, which receives dot pattern picture and analyzes, show that two imaging spot distances are believed
Breath, computing module are calculated between measurement point and testee by imaging spot distance, transmitting luminous point moving distance and imaging focal length
Linear distance.
In a preferred embodiment, the laser displacement sensor and measurement body are hinged, the laser displacement
Sensor base is equipped with frame plate, and the frame plate is fixedly connected with measurement body.
In a preferred embodiment, the measurement body side is fixedly connected with protective ring, the imaging lens,
First laser transmitter and laser displacement sensor are arranged inside protective ring, and the angle adjusting mechanism is arranged in protective ring
Top.
In a preferred embodiment, the imaging lens, first laser transmitter and frame plate are arranged in parallel, and
With ground level parallelly distribute on, the first laser transmitter and laser displacement sensor are separately positioned on the surface of imaging lens
And underface, the ccd sensor match with imaging lens position.
In a preferred embodiment, the measurement body is connect with holder pivots, is set at the top of the measurement body
There is level meter.
In a preferred embodiment, the input terminal of the single-chip microcontroller is equipped with A/D converter, and the laser displacement passes
Sensor and ccd sensor are electrically connected with A/D converter.
A kind of measurement method of geometric method laser imaging ranging, concrete operation step are as follows:
Step 1: selecting measurement object simultaneously steadily to place fixed point bracket, and viewing level meter places measurement body steadily,
Holder pivots horizontal torsion measures body, adjusts optimum measurement direction；
Step 2: connection measurement body circuit, and first laser transmitter and second laser transmitter are opened, make first to swash
Optical transmitting set and second laser transmitter luminous point are incident upon measurement body surface；
Step 3: laser displacement sensor angle is adjusted by angle adjusting mechanism, to make second laser transmitter light
Point generates displacement, starting first laser transmitter and second laser transmitter emitting parallel light line, records by the first record button
Light spot position a, then adjusts laser displacement sensor angle, and first laser transmitter is with second laser transmitter light intersection point
B, first laser transmitter and second laser transmitter light angle are v, first laser transmitter and second laser transmitter light
Line intersection point b simultaneously presses the second record button recording spot position c, and luminous point a and c are sent single-chip microcontroller, monolithic by laser displacement sensor
Machine analytical calculation obtains the length of straight line a-c；
Step 4: for second laser transmitter luminous point in c point, imaging lens receive first laser transmitter and second laser
Transmitter light scatters light, and is imaged as a1 point and c1 point shows that ccd sensor sends out image-forming information in ccd sensor
Single-chip microcontroller is given, single-chip microcontroller analysis obtains the length of imaging luminous point a1-c1；
Step 5: a-c, a1-c1 and imaging focal length b-c1 are substituted into operational formula by clicking trigger operation button, computing module
Operation, obtains measurement distance b-c data, and single-chip microcontroller shows b-c range data transmission display screen.
In a preferred embodiment, the operational formula of the step 5 are as follows:
A1-c1/b-c1=a-c/x=tan v, wherein the unknown number x is measurement distance b-c.
Technical effect and advantage of the invention:
1, by second laser transmitter transmitting fixed point, laser displacement sensor cooperates single-chip microcontroller to calculate spot displacement, at
As camera lens makes luminous point be sent to single-chip microcontroller analysis processing in ccd sensor internal imaging and by dot pattern picture, single-chip microcontroller will be convenient for
The given data of measurement substitutes into computing module, obtains measurement distance and shows data in display screen, utilizes geometric method laser imaging
Ranging, method is simple, and operation is fast, is conducive to improve measuring accuracy, and can be applicable in complicated measurement environment；
2, by being convenient for measuring bracket and measurement body rotation connection body and turning to adjustment measurement angle, level meter side
Just adjustment measurement organism balance, frame plate with measurement body be fixedly connected, and with first laser transmitter parallelly distribute on, convenient for determination
Second laser transmitter start angle is overlapped two luminous points, and measurement improves precision, and protective ring is fixed on measurement body side,
Protective device component lowers abrasion, extends the service life of device.
Detailed description of the invention
Fig. 1 is overall structure diagram of the invention.
Fig. 2 is whole main view of the invention.
Fig. 3 is laser emitter image formation by rays schematic diagram of the invention.
Fig. 4 is system block diagram of the invention.
Appended drawing reference are as follows: 1 bracket, 2 measurement bodies, 3 imaging lens, 4 first laser transmitters, 5 laser displacement sensors,
6 angle adjusting mechanisms, 7CCD sensor, 8 single-chip microcontrollers, 9 display screens, 10 first record buttons, 11 second record buttons, 12 triggerings
Operation button, 13 frame plates, 14 protective rings, 15 level meters.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Embodiment 1:
A kind of geometric method laser imaging range unit according to shown in Fig. 1-4, including bracket 1 are equipped at the top of the bracket 1
Body 2 is measured, 2 side of measurement body is equipped with imaging lens 3, and 3 bottom of imaging lens is equipped with first laser transmitter
4, it is equipped with laser displacement sensor 5 at the top of the imaging lens 3, is fixedly connected at the top of the laser displacement sensor 5 angled
Regulating mechanism 6 is equipped with ccd sensor 7 inside the measurement body 2, and 7 side of ccd sensor is equipped with single-chip microcontroller 8, described
It measures and is equipped with display screen 9 on the outside of body 2,9 bottom of display screen is recorded equipped with equally distributed first record button 10, second
Button 11 and triggering operation button 12, first record button 10, the second record button 11 and triggering operation button 12 with
Single-chip microcontroller 8 is electrically connected, and the single-chip microcontroller 8 is electrically connected with display screen 9；
The laser displacement sensor 5 includes second laser transmitter, receiving element and measuring circuit, the second laser
Transmitter is used for positioning measurement object, laser directive testee surface, and the laser through object reflection is received by receiving element,
Measured circuit, which records and is converted into electric signal, is sent to 8 analysis of single-chip microcontroller processing；
First record button 10 is for recording second laser transmitter luminous point initial position a point information, and by information
It is sent to single-chip microcontroller 8, second record button 11 is used to record second laser transmitter luminous point final position b point information, and
Single-chip microcontroller 8 is sent information to, single-chip microcontroller 8 calculates two o'clock distance；
Computing module is equipped with inside the single-chip microcontroller 8, the ccd sensor 7 is for receiving and display first laser being imaged
The imaging luminous point of transmitter 4 and second laser transmitter, single-chip microcontroller 8, which receives dot pattern picture and analyzes, obtains two imaging spot distances
Information, computing module calculate measurement point and testee by imaging spot distance, transmitting luminous point moving distance and imaging focal length
Between linear distance；
Further, the laser displacement sensor 5 and measurement body 2 are hinged, and 5 bottom of laser displacement sensor is set
There is frame plate 13, the frame plate 13 is fixedly connected with measurement body 2；
Further, 2 side of measurement body is fixedly connected with protective ring 14, the imaging lens 3, first laser hair
Emitter 4 and laser displacement sensor 5 are arranged inside protective ring 14, and the setting of angle adjusting mechanism 6 is pushed up in protective ring 14
End；
Further, the imaging lens 3, first laser transmitter 4 and frame plate 13 are arranged in parallel, and flat with ground level
Row distribution, the first laser transmitter 4 and laser displacement sensor 5 be separately positioned on imaging lens 3 surface and just under
Side, the ccd sensor 7 match with 3 position of imaging lens；
Further, the measurement body 2 is rotatablely connected with bracket 1, and level meter 15 is equipped at the top of the measurement body 2,
Make to measure 2 holding of body level by level meter, improves measurement accuracy；
Further, the input terminal of the single-chip microcontroller 8 is equipped with A/D converter, and the laser displacement sensor 5 and CCD are passed
Sensor 7 is electrically connected with A/D converter；
Further, the model of the laser displacement sensor 5 is set as L1-1, the model setting of the ccd sensor 7
For TCD1201D, the model of the single-chip microcontroller 8 is set as M68HC16 type single-chip microcontroller.
A kind of measurement method of geometric method laser imaging ranging, concrete operation step are as follows:
Step 1: selecting measurement object simultaneously steadily to place fixed point bracket 1, and viewing level meter 15 puts measurement body 2 steadily
It sets, rotates horizontal torsion in bracket 1 and measure body 2, adjust optimum measurement direction；
Step 2: connection measurement 2 circuit of body, and first laser transmitter 4 and second laser transmitter are opened, make first
Laser emitter 4 and second laser transmitter luminous point are incident upon measurement body surface；
Step 3: 5 angle of laser displacement sensor is adjusted by angle adjusting mechanism 6, to make second laser transmitter
Luminous point generates displacement, starting first laser transmitter 4 and second laser transmitter emitting parallel light line, by the first record button 10
Recording spot position a then adjusts 5 angle of laser displacement sensor, first laser transmitter 4 and second laser transmitter light
Intersection point is b, and first laser transmitter 4 and second laser transmitter light angle are v, first laser transmitter 4 and second laser
Transmitter light intersection point b simultaneously presses 11 recording spot position c of the second record button, and laser displacement sensor 5 sends luminous point a and c
Single-chip microcontroller 8,8 analytical calculation of single-chip microcontroller obtain the length of straight line a-c；
Step 4: in c point, imaging lens 3 receive first laser transmitter 4 and second and swash second laser transmitter luminous point
Optical transmitting set light scatters light, and is imaged as a1 point and c1 point is shown in ccd sensor 7, and ccd sensor 7 will imaging letter
Breath is sent to single-chip microcontroller 8, and single-chip microcontroller 8 analyzes the length for obtaining imaging luminous point a1-c1；
Step 5: a-c, a1-c1 and imaging focal length b-c1 are substituted into operation public affairs by clicking trigger operation button 12, computing module
Formula operation, obtains measurement distance b-c data, and single-chip microcontroller 8 shows b-c range data transmission display screen 9；
Further, the operational formula of the step 5 are as follows: a1-c1/b-c1=a-c/x=tan v, wherein described unknown
Number x is measurement distance b-c.
The several points that should finally illustrate are: firstly, in the description of the present application, it should be noted that unless otherwise prescribed and
It limits, term " installation ", " connected ", " connection " shall be understood in a broad sense, can be mechanical connection or electrical connection, be also possible to two
Connection inside element, can be directly connected, and "upper", "lower", "left", "right" etc. are only used for indicating relative positional relationship, when
The absolute position for being described object changes, then relative positional relationship may change；
Secondly: the present invention discloses in embodiment attached drawing, relates only to the structure being related to the embodiment of the present disclosure, other knots
Structure, which can refer to, to be commonly designed, and under not conflict situations, the same embodiment of the present invention and different embodiments be can be combined with each other；
Last: the foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, all in the present invention
Spirit and principle within, any modification, equivalent replacement, improvement and so on, should be included in protection scope of the present invention it
It is interior.
Claims (8)
1. a kind of geometric method laser imaging range unit, including bracket (1), it is characterised in that: be equipped with and survey at the top of the bracket (1)
It measures body (2), the measurement body (2) side is equipped with imaging lens (3), and imaging lens (3) bottom is equipped with first laser
Transmitter (4), imaging lens (3) top is equipped with laser displacement sensor (5), at the top of the laser displacement sensor (5)
It is fixedly connected with angle adjusting mechanism (6), is equipped with ccd sensor (7) inside the measurement body (2), the ccd sensor
(7) side is equipped with single-chip microcontroller (8), is equipped with display screen (9) on the outside of the measurement body (2), and display screen (9) bottom is equipped with equal
The first record button (10), the second record button (11) and triggering operation button (12) of even distribution, first record button
(10), the second record button (11) and triggering operation button (12) with single-chip microcontroller (8) be electrically connected, the single-chip microcontroller (8) with
Display screen (9) is electrically connected；
The laser displacement sensor (5) includes second laser transmitter, receiving element and measuring circuit, the second laser hair
Emitter is used for positioning measurement object, laser directive testee surface, and the laser through object reflection is received by receiving element, quilt
Measuring circuit, which records and is converted into electric signal, is sent to single-chip microcontroller (8) analysis processing；
First record button (10) sends out information for recording second laser transmitter luminous point initial position a point information
It gives single-chip microcontroller (8), second record button (11) is used to record second laser transmitter luminous point final position b point information,
And single-chip microcontroller (8) are sent information to, single-chip microcontroller (8) calculates two o'clock distance；
Computing module is equipped with inside the single-chip microcontroller (8), the ccd sensor (7) is for receiving and display first laser being imaged
The imaging luminous point of transmitter (4) and second laser transmitter, single-chip microcontroller (8), which receives dot pattern picture and analyzes, obtains two imaging luminous points
Range information, computing module pass through imaging spot distance, transmitting luminous point moving distance and imaging focal length and calculate measurement point and be tested
Linear distance between object.
2. a kind of geometric method laser imaging range unit according to claim 1, it is characterised in that: the laser displacement passes
Sensor (5) and measurement body (2) hingedly, laser displacement sensor (5) bottom be equipped with frame plate (13), the frame plate (13) with
Measurement body (2) is fixedly connected.
3. a kind of geometric method laser imaging range unit according to claim 1, it is characterised in that: the measurement body
(2) side is fixedly connected with protective ring (14), the imaging lens (3), first laser transmitter (4) and laser displacement sensor
(5) it is internal to be arranged at protective ring (14), the angle adjusting mechanism (6) is arranged on protective ring (14) top.
4. a kind of geometric method laser imaging range unit according to claim 2, it is characterised in that: the imaging lens
(3), first laser transmitter (4) and frame plate (13) are arranged in parallel, and with ground level parallelly distribute on, first laser transmitting
Device (4) and laser displacement sensor (5) are separately positioned on the surface and underface of imaging lens (3), the ccd sensor
(7) match with imaging lens (3) position.
5. a kind of geometric method laser imaging range unit according to claim 1, it is characterised in that: the measurement body
(2) it is rotatablely connected with bracket (1), is equipped with level meter (15) at the top of the measurement body (2).
6. a kind of geometric method laser imaging range unit according to claim 1, it is characterised in that: the single-chip microcontroller (8)
Input terminal be equipped with A/D converter, the laser displacement sensor (5) and ccd sensor (7) electrically connect with A/D converter
It connects.
7. a kind of measurement method of geometric method laser imaging ranging, it is characterised in that: concrete operation step are as follows:
Step 1: selection measures object and simultaneously steadily places fixed point bracket (1), and viewing level meter (15) makes to measure body (2) steadily
It places, in bracket (1) rotation horizontal torsion measurement body (2), adjusts optimum measurement direction；
Step 2: connection measurement body (2) circuit, and first laser transmitter (4) and second laser transmitter are opened, make first
Laser emitter (4) and second laser transmitter luminous point are incident upon measurement body surface；
Step 3: laser displacement sensor (5) angle is adjusted by angle adjusting mechanism (6), to make second laser transmitter
Luminous point generates displacement, starting first laser transmitter (4) and second laser transmitter emitting parallel light line, by the first record button
(10) recording spot position a, then adjusts laser displacement sensor (5) angle, and first laser transmitter (4) and second laser are sent out
Emitter light intersection point is b, and first laser transmitter (4) and second laser transmitter light angle are v, first laser transmitter
(4) with second laser transmitter light intersection point b and by the second record button (11) recording spot position c, laser displacement sensor
(5) luminous point a and c are sent into single-chip microcontroller (8), single-chip microcontroller (8) analytical calculation obtains the length of straight line a-c；
Step 4: in c point, imaging lens (3) receive first laser transmitter (4) and second and swash second laser transmitter luminous point
Optical transmitting set light scatters light, and is imaged as a1 point and c1 point and shown in ccd sensor (7), and ccd sensor (7) will be at
As information is sent to single-chip microcontroller (8), single-chip microcontroller (8) analysis obtains the length of imaging luminous point a1-c1；
Step 5: a-c, a1-c1 and imaging focal length b-c1 are substituted into operational formula by clicking trigger operation button (12), computing module
Operation, obtains measurement distance b-c data, and b-c range data is sent display screen (9) and shown by single-chip microcontroller (8).
8. a kind of measurement method of geometric method laser imaging ranging according to claim 7, it is characterised in that: the step
Five operational formula are as follows: a1-c1/b-c1=a-c/x=tan v, wherein the unknown number x is measurement distance b-c.
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| CN201811619841.5A CN109683168A (en) | 2018-12-28 | 2018-12-28 | A kind of geometric method laser imaging range unit and its measurement method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111351445A (en) * | 2020-04-15 | 2020-06-30 | 山东大学 | System and method for measuring and calculating radius and deflection angle of circular curve of road curve |
| CN112356880A (en) * | 2020-10-29 | 2021-02-12 | 中国神华能源股份有限公司神朔铁路分公司 | Track system, track displacement monitoring device and method |
| CN113418474A (en) * | 2021-05-11 | 2021-09-21 | 刘小丽 | Environmental monitoring is with quick device of measuring of contaminated area soil based on thing networking |
| CN113446948A (en) * | 2021-08-13 | 2021-09-28 | 中建安装集团有限公司 | Non-contact portable length measuring device |
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Application publication date: 20190426 |