CN106405563A - Distance measurement system and method of calibrating distance measurement system - Google Patents
Distance measurement system and method of calibrating distance measurement system Download PDFInfo
- Publication number
- CN106405563A CN106405563A CN201510456092.9A CN201510456092A CN106405563A CN 106405563 A CN106405563 A CN 106405563A CN 201510456092 A CN201510456092 A CN 201510456092A CN 106405563 A CN106405563 A CN 106405563A
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- CN
- China
- Prior art keywords
- microscope group
- calibration
- range
- transmitting
- emitting module
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- 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
Abstract
The invention provides a distance measurement system comprising an assembly, a receiving mirror group, a receiving sensor, a circuit board and a transmitting module. The circuit board is fixed at one end of the assembly, the transmitting module and the receiving mirror group are integrated so as to be movable in at least one direction, a transmitting optical path and a receiving optical path coincides through the adjustment, and the purpose of calibrating the optical path and improving the distance measurement precision is achieved. The invention also provides a method for calibrating the distance measurement system. The transmitting optical path is adjusted by position movement of the integrated transmitting module and the receiving mirror group, so that the transmitting optical path and the receiving optical path can coincide to achieve the purpose of calibration. The method is simple to operate, fast in calibration and high in measurement precision.
Description
Technical field
The present invention relates to a kind of laser ranging system, particularly to a kind of range-measurement system and calibration range system
Method.
Background technology
Hand-held laser rangefinder is used widely in fields such as engineering, building, explorations, laser range finder
Generally comprise transmitter unit, collimating lens and receiving unit, transmitter unit launches laser beam on testee,
Pass through reflection again to be received by receiving unit, according to the phase place of modulated ray relative transmitter unit, obtain
The distance of measured object.
During laser ranging, launching light is parallel with microscope group or substantially parallel with the optical axis of receiving light needs,
But in practice, because receiving unit light-metering face has diameter error, and restricted by factors such as microscope group focal lengths, existing
The range accuracy having diastimeter does not often reach preferable high-precision requirement.
In addition, requiring more and more higher, the dimensional requirement also more and more higher to range-measurement system with portability, show
Have that in technology, diastimeter is due to architectural limitation, relatively large sized, carry inconvenience.
Content of the invention
In order to overcome prior art not enough, the present invention provides a kind of range-measurement system, including：
Assembly；
Circuit board, described circuit board is fixed on one end of described assembly；
Emitting module, described emitting module is used for beam emissions；
Receive microscope group, described reception microscope group receives the light that measured object reflects, and described reception microscope group is arranged on
On described assembly；
Receive sensor, described reception sensor is fixed on described circuit board, for identifying described receive mirror
The reflected light with ranging information that group receives；
Wherein, described emitting module and described reception microscope group become one, and form calibration assemblies, described school
Prospective component can move at least one direction.
Preferably, described emitting module includes launching microscope group and emitter, and described transmitting microscope group is arranged on described
The front of emitter, the light beam that described transmitting microscope group is launched to described emitter is focused, collimates, and shape
Become transmitting light path.
Preferably, described reception microscope group centre position forms a through hole, and described emitting module is fixedly installed on
In described through hole.
Preferably, described calibration assemblies can move in the two directions.
Preferably, described calibration assemblies can move in three directions.
Present invention also offers a kind of method of calibration range system, described range-measurement system includes：
Assembly；
Circuit board, described circuit board is fixed on one end of described assembly；
Emitting module, described emitting module is used for beam emissions, forms transmitting light path；
Receive microscope group, described reception microscope group receives the light that measured object reflects, form receiving light path, described
Receive microscope group to be arranged on described assembly；
Receive sensor, described reception sensor is fixed on described circuit board, for identifying described receive mirror
The reflected light with ranging information that group receives；
Wherein, described emitting module and described reception microscope group become one, and form calibration assemblies, described school
Prospective component can move at least one direction；
The method is：By the movement of described calibration assemblies, adjust transmitting light path and receiving light path, Jin Ershi
Now transmitting light path is overlapped with receiving light path.
Preferably, described emitting module includes launching microscope group and emitter, and described transmitting microscope group is arranged on described
The front of emitter, the light beam that described transmitting microscope group is launched to described emitter is focused, collimates, and shape
Become transmitting light beam.
Preferably, described reception microscope group centre position forms a through hole, and described emitting module is fixedly installed on
In described through hole
Preferably, described calibration assemblies can move in the two directions.
Preferably, described calibration assemblies can move in three directions.
The present invention by becoming one emitting module with receiving microscope group, thus realizing launching light path and reception
The consistent coincidence of light path, reaches calibration light path, and present configuration is simple, integrated level is high, saves element cloth
Between being empty, realize product size littleization, and light path calibration method is rationally, substantially increases range accuracy.
Brief description
Fig. 1 is range-measurement system structural representation of the present invention；
Specific embodiment
Technique effect below with reference to the design, concrete structure and generation to the present invention of embodiment and accompanying drawing enters
Row clearly and completely describes, to be completely understood by the purpose of the present invention, feature and effect.
With reference to shown in Fig. 1, the present invention provides a kind of range-measurement system, including assembly 1, receives microscope group 2, receives
Sensor 3, circuit board 4 and emitting module 5, described circuit board 4 is fixed on one end of described assembly 1, this
In bright, described emitting module 5 and reception microscope group 2 become one, and form calibration assemblies, the shifting of calibration assemblies
Move and adjust the consistent coincidence realizing transmitting light path and receiving light path, fixed transmission assembly and reception microscope group after calibration
Position, reach calibration light path, improve range accuracy purpose.
Specifically, described emitting module 5 includes laser diode emitters and diversing lens, and described transmitting is saturating
Mirror is arranged on the front end of described laser diode emitters, and described emitter is used for launching laser, diversing lens
Transmitting laser is focused, collimates, the laser beam of emitter transmitting is formed after diversing lens collimation to be sent out
Penetrate light path, be transmitted on determinand, for range measurement.
Described reception microscope group 2 is arranged on described assembly 1, and described reception microscope group 2 receives measured object and reflects
Light, form receiving light path, and the light beam being reflected back be focused.In the present embodiment, described receive mirror
Organize 2 centre positions and form a through hole, described emitting module 5 is fixedly installed in described through hole, receive microscope group
Realize highly integrated, the space arrangement of saving range-measurement system with emitting module, and after Integrated design, launching light
Road and receiving light path can quickly be realized calibration and overlap.
Described reception sensor 3 is fixedly installed on described circuit board 4, for identifying described reception microscope group reception
The reflected light with ranging information arriving, and receiving light path information is passed to the signal list on described circuit board 4
Unit, realizes the measurement of accurate calibration data.
Fig. 1 shows the preferred embodiment of the present invention, and in the present embodiment, described calibration assemblies can be in a direction
Upper movement (i.e. X-axis moves up), when calibration assemblies move to certain position, launches light path and receiving light
Road unanimously overlaps, and reaches fixed transmission assembly and the position receiving microscope group after alignment purpose, realizes accurate measurement.
Optionally, calibration assemblies can also be in the two directions (in X, Y-direction, or X, Z-direction
On) move it might even be possible to (in X, Y, Z-direction) moves in three directions simultaneously, reach light path calibration
The purpose adjusting.
Present configuration is simple, integrated level is high, optimizes components and parts arrangement space, reduces the chi of diastimeter
Very little, realize quickly calibrated purpose simultaneously.
Present invention also offers a kind of method of calibration range system；
With reference to shown in Fig. 1, in the present invention range-measurement system include assembly 1, receive microscope group 2, receive sensor 3,
Circuit board 4 and emitting module 5, described circuit board 4 is fixed on one end of described assembly 1, in the present invention, institute
State emitting module 5 and reception microscope group 2 becomes one, form calibration assemblies, the mobile regulation of calibration assemblies is real
Now transmitting light path and the consistent coincidence of receiving light path, reach calibration light path, the purpose of raising range accuracy.
Specifically, described emitting module 5 includes laser diode emitters and diversing lens, and described transmitting is saturating
Mirror is arranged on the front end of described laser diode emitters, and described emitter is used for launching laser, diversing lens
Transmitting laser is focused, collimates, the laser beam of emitter transmitting is formed after diversing lens collimation to be sent out
Penetrate light path, be transmitted on determinand, for range measurement.
Described reception microscope group 2 is arranged on described assembly 1, and described reception microscope group 2 receives measured object and reflects
Light, form receiving light path, and the light beam being reflected back be focused.In the present embodiment, described receive mirror
Organize 2 centre positions and form a through hole, described emitting module 5 is fixedly installed in described through hole, receive microscope group
Realize highly integrated, the space arrangement of saving range-measurement system with emitting module, and after Integrated design, launching light
Road and receiving light path can quickly be realized calibration and overlap.
Described reception sensor 3 is fixedly installed on described circuit board 4, for identifying described reception microscope group reception
The reflected light with ranging information arriving, and receiving light path information is passed to the signal list on described circuit board 4
Unit, realizes the measurement of accurate calibration data.
Fig. 1 shows the preferred embodiment of the present invention, and in the present embodiment, described calibration assemblies can be in a direction
Upper movement (i.e. X-axis moves up), when calibration assemblies move to certain position, launches light path and receiving light
Road unanimously overlaps, and reaches fixed transmission assembly and the position receiving microscope group after alignment purpose, realizes accurate measurement.
Optionally, calibration assemblies can also be in the two directions (in X, Y-direction, or X, Z-direction
On) move it might even be possible to (in X, Y, Z-direction) moves in three directions simultaneously, reach light path calibration
The purpose adjusting.
During use, move to adjust calibration light path by the position of calibration assemblies (reception microscope group), due to sending out
Penetrate assembly and reception microscope group becomes one it is possible to quick realization transmitting light path and receiving light path overlap,
After reaching light path calibration purpose, the position of fixed transmission assembly and reception microscope group, realize accurate measurement.
Embodiment described above only have expressed the specific embodiment of the present invention, and its description is more concrete and detailed,
But therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for this area
Those of ordinary skill for, without departing from the inventive concept of the premise, can also make some deformation and
Improve, these broadly fall into protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be with appended
Claim is defined.
Claims (10)
1. a kind of range-measurement system is it is characterised in that described range-measurement system includes：
Assembly；
Circuit board, described circuit board is fixed on one end of described assembly；
Emitting module, described emitting module is used for beam emissions；
Receive microscope group, described reception microscope group receives the light that measured object reflects, and described reception microscope group is arranged on
On described assembly；
Receive sensor, described reception sensor is fixed on described circuit board, for identifying described receive mirror
The reflected light with ranging information that group receives；
Wherein, described emitting module and described reception microscope group become one, and form calibration assemblies, described school
Prospective component can move at least one direction.
2. range-measurement system according to claim 1 is it is characterised in that described emitting module includes launching
Microscope group and emitter, described transmitting microscope group is arranged on the front of described emitter, and described transmitting microscope group is to described
The light beam of emitter transmitting is focused, collimates, and forms transmitting light path.
3. range-measurement system according to claim 1 and 2 is it is characterised in that described reception microscope group interposition
Put one through hole of formation, described emitting module is fixedly installed in described through hole.
4. range-measurement system according to claim 1 is it is characterised in that described calibration assemblies can be two
Individual side moves up.
5. range-measurement system according to claim 1 is it is characterised in that described calibration assemblies can be three
Individual side moves up.
6. a kind of method of calibration range system is it is characterised in that described range-measurement system includes：
Assembly；
Circuit board, described circuit board is fixed on one end of described assembly；
Emitting module, described emitting module is used for beam emissions；
Receive microscope group, described reception microscope group receives the light that measured object reflects, described reception microscope group setting
On described assembly；
Receive sensor, described reception sensor is fixed on described circuit board, for identifying described reception
The reflected light with ranging information that microscope group receives；
Wherein, described emitting module and described reception microscope group become one, and form calibration assemblies, described
Calibration assemblies can move at least one direction；
The method is：By the movement of described calibration assemblies, adjust transmitting light path and receiving light path, and then
Realize transmitting light path to overlap with receiving light path.
7. the method for calibration range system according to claim 6 is it is characterised in that described transmitting group
Part includes launching microscope group and emitter, and described transmitting microscope group is arranged on the front of described emitter, described transmitting
The light beam that microscope group is launched to described emitter is focused, collimates, and forms transmitting light beam.
8. the method for calibration range system according to claim 6 is it is characterised in that described receive mirror
Group centre position forms a through hole, and described emitting module is fixedly installed in described through hole.
9. the method for calibration range system according to claim 6 is it is characterised in that described calibration group
Part can move in the two directions.
10. the method for calibration range system according to claim 6 is it is characterised in that described calibration
Assembly can move in three directions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510456092.9A CN106405563A (en) | 2015-07-29 | 2015-07-29 | Distance measurement system and method of calibrating distance measurement system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510456092.9A CN106405563A (en) | 2015-07-29 | 2015-07-29 | Distance measurement system and method of calibrating distance measurement system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106405563A true CN106405563A (en) | 2017-02-15 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510456092.9A Pending CN106405563A (en) | 2015-07-29 | 2015-07-29 | Distance measurement system and method of calibrating distance measurement system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110002311A (en) * | 2019-04-26 | 2019-07-12 | 快意电梯股份有限公司 | Load superelevation early warning elevator |
| CN112074759A (en) * | 2018-04-28 | 2020-12-11 | 深圳市大疆创新科技有限公司 | Light detection and ranging sensor with multiple emitters and multiple receivers and associated systems and methods |
-
2015
- 2015-07-29 CN CN201510456092.9A patent/CN106405563A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112074759A (en) * | 2018-04-28 | 2020-12-11 | 深圳市大疆创新科技有限公司 | Light detection and ranging sensor with multiple emitters and multiple receivers and associated systems and methods |
| CN110002311A (en) * | 2019-04-26 | 2019-07-12 | 快意电梯股份有限公司 | Load superelevation early warning elevator |
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| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170215 |
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| WD01 | Invention patent application deemed withdrawn after publication |