CN109100734A - A kind of laser ranging system - Google Patents
A kind of laser ranging system Download PDFInfo
- Publication number
- CN109100734A CN109100734A CN201810999825.7A CN201810999825A CN109100734A CN 109100734 A CN109100734 A CN 109100734A CN 201810999825 A CN201810999825 A CN 201810999825A CN 109100734 A CN109100734 A CN 109100734A
- Authority
- CN
- China
- Prior art keywords
- laser
- shell
- ranging system
- laser ranging
- control panel
- 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.)
- Pending
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Classifications
-
- 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)
- Optical Radar Systems And Details Thereof (AREA)
Abstract
The present invention provides a kind of laser ranging system, including control panel, laser sensor, laser window, equipment interface, baffle plate, power interface.Wherein, the laser sensor includes shell and circuit board, and the circuit board that the shell is square and described is fixed on the inner bottom surface of the shell, and the leading flank of the shell is provided with the control panel and the control panel and the circuit board are electrically connected.The right side of the shell is provided with the laser window, and the left side of the shell is provided with the equipment interface and the power interface.The present invention calculates the distance of object under test by the phase difference between measurement reference laser and measurement laser, and baffle plate can improve the accuracy and precision of measurement to avoid the bright interference generated to the reference laser on testee surface.
Description
Technical field
The present invention relates to a kind of fields of measurement, and in particular to a kind of laser ranging system.
Background technique
With the development of science and technology, the scene measured that needs to adjust the distance in engineering is more and more, moreover, engineering
On adjust the distance measurement accuracy requirement it is also higher and higher, therefore provide and meet the laser ranging system of certain required precision and very must
It wants.In the related technology, laser ranging system can issue pulse laser, and pulse laser return laser light after determinand reflects is surveyed
Away from device, laser ranging system measures emission pulse laser and receives the time difference of pulse laser, utilizes the time difference and the light velocity
Distance value of the laser ranging system away from the determinand can be calculated.However, ranging accuracy when emission pulse laser ranging
Mainly influenced by time difference measurements accuracy, however due to the limitation of time measurement technology, in the prior art laser ranging
Device is poor to the measurement accuracy of above-mentioned time difference, and the measurement accuracy that this results in laser ranging system to adjust the distance is also poor, this
The light on outer testee surface will affect measurement result.
Summary of the invention
The present invention provides a kind of laser ranging system, poor to solve laser ranging system measurement accuracy of the existing technology
The problem of.
In order to solve the above technical problems, the present invention provides a kind of laser ranging system, including control panel, laser sensing
Device, laser window, equipment interface, baffle plate, power interface.Wherein, the laser sensor includes shell and circuit board, described
The circuit board is fixed on the inner bottom surface of the shell, and the leading flank of the shell is provided with the control
Panel processed and the electric connection of the control panel and the circuit board.The right side of the shell is provided with the laser window,
The left side of the shell is provided with the equipment interface and the power interface.
Preferably, the circuit board includes laser emitter, laser pickoff, phase measuring set, the laser emitter
For emitting reference laser, the laser pickoff is for receiving measurement laser, and the phase measuring set is for measuring the ginseng
Examine the phase difference of laser and the measurement laser.
Preferably, the laser pickoff uses collector lens.
Preferably, the wavelength of the reference laser is within the scope of 630~670nm.
Preferably, the shell is sealing.
Preferably, the shell is made of aluminum material.
Preferably, the baffle plate is reflecting mirror.
Preferably, the laser window is the acrylic transparent panel of light transmission.
Preferably, the equipment interface can be connect with computer.
Preferably, display screen is provided on the control panel.
Bring of the present invention passes through measurement reference laser and measurement the utility model has the advantages that the present invention provides a kind of laser ranging system
Phase difference between laser calculates the distance of object under test, baffle plate can to avoid testee surface light to the ginseng
The interference for examining laser generation, improves the accuracy and precision of measurement.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of laser ranging system according to an embodiment of the present invention.
Wherein, 1- control panel, 2- laser sensor, 3- laser window, 4- equipment interface, 5- baffle plate.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with drawings and the specific embodiments, to this
Invention is described in further detail.
Fig. 1 is the structural schematic diagram of laser ranging system according to an embodiment of the present invention, as shown in Figure 1, the present invention provides
A kind of laser ranging system, including control panel 1, laser sensor 2, laser window 3, equipment interface 4, baffle plate 5, power supply
Interface.Wherein, the laser sensor 2 includes shell and circuit board, and the circuit board that the shell is square and described is fixed on
The inner bottom surface of the shell, the leading flank of the shell are provided with the control panel 1 and the control panel 1 and the electricity
Road plate is electrically connected, and the right side of the shell is provided with the laser window 3, and the left side of the shell is provided with described set
Standby interface 4 and the power interface.
Furthermore, it is understood that the circuit board includes laser emitter, laser pickoff, phase measuring set, the laser hair
Emitter is for emitting reference laser, and within the scope of 630~670nm, the laser pickoff is used for the wavelength of the reference laser
Measurement laser is received, the measurement laser is that the reference laser returns to swashing for the laser ranging system after determinand reflects
Light.The phase measuring set is used to measure the phase difference of the reference laser and the measurement laser, and the single-chip microcontroller will be described
Phase difference is converted into output voltage.
The laser pickoff uses collector lens.The shell is sealing, and the shell is made of aluminum material, institute
Stating baffle plate 5 is reflecting mirror, and the laser window 3 is the acrylic transparent panel of light transmission, and the equipment interface 4 can connect with computer
It connects to upload measurement data, realizes the real time monitoring to data, be provided with display screen on the control panel 1.
In the present embodiment, the baffle plate 5 is placed on object under test, thus can be to avoid testee surface
The bright interference that the reference laser is generated.It has been investigated that between the baffle plate 5 and the laser sensor 2
Apart from it is constant when, testing distance is bigger, and output voltage is bigger, there are linear relationship (distance=10 voltages) between voltage and distance,
Testing distance is when output voltage control is between 0~10V when within the scope of 0~40m.
In conclusion the present invention provides a kind of laser ranging system by measurement reference laser and measures the phase between laser
Potential difference calculates the distance of object under test, and baffle plate can generate the reference laser to avoid the bright of testee surface
Interference, improves the accuracy and precision of measurement.
The above description is only an embodiment of the present invention, is not intended to restrict the invention, for those skilled in the art
For member, the invention may be variously modified and varied.All within the spirits and principles of the present invention, it is made it is any modification,
Equivalent replacement, improvement etc., should be included within scope of the presently claimed invention.
Claims (10)
1. a kind of laser ranging system, which is characterized in that including control panel (1), laser sensor (2), laser window (3),
Equipment interface (4), baffle plate (5), power interface, the laser sensor (2) include shell and circuit board, and the shell is in side
Shape the and described circuit board is fixed on the inner bottom surface of the shell, and the leading flank of the shell is provided with the control panel
(1) and the control panel (1) and the circuit board are electrically connected, and the right side of the shell is provided with the laser window
(3), the left side of the shell is provided with the equipment interface (4) and the power interface.
2. laser ranging system as described in claim 1, which is characterized in that the circuit board includes laser emitter, laser
Receiver, phase measuring set and single-chip microcontroller, the laser emitter is for emitting reference laser, and the laser pickoff is for connecing
Measurement laser is received, the phase measuring set is used to measure the phase difference of the reference laser and the measurement laser, the monolithic
The phase difference is converted into output voltage by machine.
3. laser ranging system as claimed in claim 2, which is characterized in that the laser pickoff uses collector lens.
4. laser ranging system as claimed in claim 2, which is characterized in that the wavelength of the reference laser is in 630~670nm
In range.
5. laser ranging system as described in claim 1, which is characterized in that the shell is sealing.
6. laser ranging system as described in claim 1, which is characterized in that the shell is made of aluminum material.
7. laser ranging system as described in claim 1, which is characterized in that the baffle plate (5) is reflecting mirror.
8. laser ranging system as described in claim 1, which is characterized in that the laser window (3) is the acrylic of light transmission
Transparent panel.
9. laser ranging system as described in claim 1, which is characterized in that the equipment interface (4) can connect with computer.
10. laser ranging system as described in claim 1, which is characterized in that be provided with display on the control panel (1)
Screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810999825.7A CN109100734A (en) | 2018-08-30 | 2018-08-30 | A kind of laser ranging system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810999825.7A CN109100734A (en) | 2018-08-30 | 2018-08-30 | A kind of laser ranging system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109100734A true CN109100734A (en) | 2018-12-28 |
Family
ID=64864214
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810999825.7A Pending CN109100734A (en) | 2018-08-30 | 2018-08-30 | A kind of laser ranging system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109100734A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1831561A (en) * | 2006-04-21 | 2006-09-13 | 太原理工大学 | Chaos laser range-meaurement device and method of LD pumping solid laser |
| CN202770994U (en) * | 2012-08-06 | 2013-03-06 | 深圳市迈测科技有限公司 | Ranging system |
| CN106054203A (en) * | 2016-05-23 | 2016-10-26 | 奇瑞汽车股份有限公司 | Laser range finding apparatus |
| CN107702643A (en) * | 2017-08-29 | 2018-02-16 | 西北工业大学 | Normal direction determines system and method |
| CN208795840U (en) * | 2018-08-30 | 2019-04-26 | 无锡雷德环保设备有限公司 | A kind of laser ranging system |
-
2018
- 2018-08-30 CN CN201810999825.7A patent/CN109100734A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1831561A (en) * | 2006-04-21 | 2006-09-13 | 太原理工大学 | Chaos laser range-meaurement device and method of LD pumping solid laser |
| CN202770994U (en) * | 2012-08-06 | 2013-03-06 | 深圳市迈测科技有限公司 | Ranging system |
| CN106054203A (en) * | 2016-05-23 | 2016-10-26 | 奇瑞汽车股份有限公司 | Laser range finding apparatus |
| CN107702643A (en) * | 2017-08-29 | 2018-02-16 | 西北工业大学 | Normal direction determines system and method |
| CN208795840U (en) * | 2018-08-30 | 2019-04-26 | 无锡雷德环保设备有限公司 | A kind of laser ranging system |
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