CN106324610A - Small portable laser ranging device - Google Patents
Small portable laser ranging device Download PDFInfo
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- CN106324610A CN106324610A CN201611002061.7A CN201611002061A CN106324610A CN 106324610 A CN106324610 A CN 106324610A CN 201611002061 A CN201611002061 A CN 201611002061A CN 106324610 A CN106324610 A CN 106324610A
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- laser
- module
- laser ranging
- ranging system
- intelligent terminal
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- 238000004891 communication Methods 0.000 claims abstract description 21
- 238000000034 method Methods 0.000 claims description 12
- 230000003287 optical effect Effects 0.000 claims description 8
- 238000006243 chemical reaction Methods 0.000 claims description 7
- 230000008569 process Effects 0.000 claims description 6
- 238000007405 data analysis Methods 0.000 claims description 5
- 238000005070 sampling Methods 0.000 claims description 3
- 230000006855 networking Effects 0.000 abstract description 3
- 230000000875 corresponding effect Effects 0.000 description 10
- 238000010586 diagram Methods 0.000 description 5
- 238000011217 control strategy Methods 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 230000000087 stabilizing effect Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000007726 management method Methods 0.000 description 2
- 238000007620 mathematical function Methods 0.000 description 2
- 241001269238 Data Species 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 210000004556 brain Anatomy 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000005059 dormancy Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000005693 optoelectronics Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
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
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Optical Radar Systems And Details Thereof (AREA)
- Optical Communication System (AREA)
Abstract
The invention discloses a small portable laser ranging device which comprises a laser transmitting and receiving device. An external interface is formed in the ranging device and can be inserted in an audio interface of an intelligent terminal to be in communication with the intelligent terminal. The power supply, operation control, information display, function expansion and networking functions and other functions of the laser ranging device are directly achieved through the intelligent terminal, the cost and size of the single laser ranging device can be greatly reduced, a traditional isolate laser ranging device is made intelligent, and higher value and better user experience are brought to users.
Description
Technical field
The invention belongs to the technical field of distance-measuring device, utilize laser to carry out the device found range particularly to a kind of.
Background technology
Laser ranging technique is to utilize laser the distance of target to be carried out the technology of Accurate Determining, along with optics and electronics
Development, laser ranging technique is ripe and widespread adoption is in such as industry, military, the civilian distance survey waiting field
Amount.Compared with tradition distance-finding method, it is high that laser ranging technique has precision, low in energy consumption, and capacity of resisting disturbance is strong, measures collimation
Good advantage.
At present, field, commercial market laser range finder has been obtained for widely applying, and the daily life for the people brings pole
Big convenient.But at present the most general Hand-hold Distance Finder also to there is also volume bigger than normal, it has not been convenient to carrying, price is held high
Expensive, function singleness, the shortcomings such as intelligence degree is low.
A kind of Laser Distance Measuring Equipment as disclosed in patent application 201620124796.6, described Laser Distance Measuring Equipment bag
Including: laser SRU sending-receiving unit, reduction gearing driving means and rotary apparatus, wherein, described laser SRU sending-receiving unit is for tested mesh
Mark sends projecting beam, and receives the reflection light beam reflected through described measured target, and generates relevant ranging information；Described deceleration
Gear device is connected with described rotary apparatus, to drive described rotary apparatus to rotate；Described rotary apparatus and described laser
SRU sending-receiving unit connects, to drive described laser SRU sending-receiving unit to rotate.
So needing the laser ranging system that one can combine with intelligent terminal (such as mobile phone) badly, intelligent terminal it is sharp
Optical range finding apparatus provides electric energy, intelligent management, shows and Function Extension, so can reduce the one-tenth of laser ranging system greatly
This, improve portability, can obtain very big breakthrough at the intelligent aspect of laser ranging the most again.
Summary of the invention
Based on this, the primary mesh ground of the present invention is to overcome the problems referred to above, it is provided that a kind of small portable laser ranging system,
This range unit can carry out timely communication with intelligent terminal, in order to information mutual.
Another mesh ground of the present invention is to provide a kind of small portable laser ranging system, this range unit structure letter
Single compact, and need not power supply, it is possible to effectively utilize intelligent terminal and find range, greatly reduce cost, and be easy to take
Band and use.
For achieving the above object, the technical scheme is that
A kind of small portable laser ranging system, this range unit includes Laser emission and receives device, its feature
Being that this range unit is provided with external interface, described external interface can carry out grafting with the audio interface of intelligent terminal, with
Communication is carried out with intelligent terminal.
This device is provided electric energy by the audio port of intelligent terminal, simultaneously by same audio port, this laser ranging system
Bidirectional data communication can be carried out with intelligent terminal.Laser ranging system can easily be entered on the interface of intelligent terminal by user
Row controls and management；And the corresponding data finally measured also can be illustrated on the display screen of intelligent terminal intuitively.
Further, intelligent terminal can be provided with the APP of correspondence, can expand the function of laser ranging system greatly, all
Such as tachometric survey, the functions such as space CAD builds, mathematical function.Meanwhile, high in the clouds, the Internet, Ke Yishi are accessed by intelligent terminal
Data during reality are uploaded and are downloaded, it is achieved distance adds the acquisition of time 2-D data.
Further, described range unit specifically includes that audio interface, power module, control module, laser sending module,
Laser pick-off module, described external interface is audio interface, and described Laser emission and reception device are laser sending module, laser
Receiver module, described laser sending module, laser pick-off module is connected to control module, and described audio interface is connected to power supply mould
Block and control module.
Described audio interface includes tetra-signal paths of L channel R, R channel L, mike MIC and earth terminal GND,
By a wherein road as power supply supply, other two-way is respectively as receiving data and sending the passage of data, this audio interface
It is connected with the audio interface of intelligent terminal.
Described power module, provides power supply supply for whole laser ranging system, due to from a certain passage of audio port
The signal transmitted is generally square wave, and voltage can not directly meet system power supply supply, therefore needs first by square-wave voltage rectification,
Boosting and voltage stabilizing process, and could provide stable voltage supply for whole laser ranging system system.Described power module bag
Include booster circuit, rectification circuit, mu balanced circuit.Booster circuit will obtain power supply signal from audio port and boost, rectified current
Signal after boosting is carried out rectification and obtains the DC voltage of a preliminarily stabilised by road, and mu balanced circuit is by the unidirectional current of preliminarily stabilised
Pressure is the most stable, and obtains the DC voltage accurately required for a system power supply.
In described power module, can also comprise charging circuit and battery, described laser ranging system can use
Audio port is battery charging, then in the case of being independent of external smart terminal, it still can work alone.
Described control module, is the core of laser ranging system.This control module includes but not limited to use MCU,
The CPU such as DSP, ARM, FPGA；Control module carries out data communication by the both-way communication passage of audio frequency and mobile terminal, simultaneously with
Laser sending module is connected with laser pick-off module；The function that control module mainly completes includes: system control strategy, and signal is adopted
Sample, data analysis and process, communication decoding unit, communication coding unit, DA or PWM exports.
Described laser sending module, including corresponding laser head and electro-optical conversion circuit, it is required that laser head launches range finding
The laser wanted, this includes but not limited to visible laser and non-visible laser, after described transmitting laser arrives testee, can quilt
Testee reflects, hence into laser pick-off module.
Described laser pick-off module, including optical amplifier camera lens, optical treatment path and photoelectric conversion device, is used for connecing
Receive the laser signal reflected by side object.
Laser ranging principle summary be: measurement laser beam from laser sending module to testee after be reflected back toward
The time T of laser pick-off module, then can obtain distance L=of laser ranging system and testee according to transmission speed C of light
C*T/2。
Described intelligent terminal, be widely used at present includes smart mobile phone, panel computer and professional intellectual ability portable end
End.Described intelligent terminal can carry operation Android, the intelligent operating system such as WINDOWS, iOS.In these operating systems, energy
Run the APP of described laser ranging system easily.
The present invention is directly realized the power supply supply of laser ranging system by intelligent terminal, and operation controls, and information is shown, function
Expand, the function such as networking, cost and the size of single laser ranging system can be reduced greatly, make the Laser Measuring that tradition is isolated
Intelligent away from device, bring bigger value and Consumer's Experience to user.
Accompanying drawing explanation
Fig. 1 is the structural representation that the present invention is implemented.
Fig. 2 is the implemented control module of the present invention and intelligent terminal's communication and control block diagram.
Fig. 3 is the structural representation of the implemented audio interface of the present invention.
Detailed description of the invention
In order to make the purpose of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, right
The present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, and
It is not used in the restriction present invention.
As it is shown in figure 1, as a kind of embodiment, Fig. 1 is this laser ranging system work system block diagram.This block diagram comprises
Three elements of operation principle of the present invention: the portable laser range unit 11 containing audio interface；Measured object
Body 14；Carry the intelligent terminal 18 with laser ranging system auxiliary work APP.
Testee 14, is a kind of visible material object, can have reliable reflective surface from laser ranging system 11
The laser sent out, what testee 14 can be fixed above can also go up movement.For fixing testee 14, can be right
It is carried out continuously and single laser range finding, to obtain distance average the most accurately.And for the testee 14 of movement, logical
Cross and its continuous print is found range, it is possible to obtain its translational speed.
Laser ranging system 11, mainly has control module 12, power module 15, laser sending module 13, laser pick-off mould
Block 14. power module 15, is responsible for whole laser ranging system internal circuit and provides electric energy, and the power source of power module 15 leads to
Cross audio interface to obtain from intelligent terminal 18, by boosting, rectification, voltage stabilizing, it is possible to obtain stable output voltage.Control module
12, it is the core of whole laser ranging system 11, its major function is: carry out bi-directional data by audio port with intelligent terminal 18
Alternately；It is connected with laser sending module 13 and laser pick-off module 16 by corresponding interface, controls laser sending module 13 He
Laser pick-off module 16 cooperating, obtains laser ranging system 11 and testee with corresponding control strategy and location algorithm
Distance between 14, and corresponding data are changed by DA or PWM, to obtain the signal that intelligent terminal 18 can identify.Laser
The control command of the control module 12 received according to the Main Function of sending module 13, converts the electrical signal to optical signal,
Produce the laser needed for range finding.The reception that primarily serves the purpose of of laser pick-off module 14 is sent to measured object by laser sending module 13
Body 14 laser signal being returned, first this laser signal can be amplified by optical lens, concentrates, simultaneously through corresponding
The laser signal received is converted into the signal of telecommunication by corner angle conversion, generally uses avalanche diode as receiving opto-electronic conversion list
Unit.The corresponding signal of telecommunication can be sent to control module 12 by laser pick-off module 14.
Carry and intelligent terminal 18 realization supporting with the present invention of laser ranging system auxiliary work APP, but also
Not included in the present invention, its hardware is the smart machine including audio interface, includes but not limited to smart mobile phone, flat board electricity
Brain, notebook computer, palm PC, PAD etc. has the hardware terminal of button and touch-control sensing.The operating system of this hardware terminal
Including but not limited to Andriod operating system, IOS, Saipan operating system, BlackBerry operating system, windows is correlated with
Operating system etc..This intelligent terminal can be reliably connected with the Internet, so based on the APP (application program) with upper mounting plate, permissible
Realize opening laser ranging system 11, close, start and measure, the basic operations such as stopping is measured, and measures continuously, single measurement.With
Time, can be with more directly perceived, more diversified, the form of more historical datas represents related data.
This described APP can realize such as mathematical function function, and space CAD builds, containing range data, and time data,
The functions such as position data Trinitarian real-time cloud end data storage.These functions that can extend and increase income can expand greatly
The function of the laser ranging 11 described in exhibition, completes more intelligent application.
As in figure 2 it is shown, be in laser ranging system 11 of the present invention control module 12 and intelligent terminal 18 communication and
Control block diagram.In figure, the function that control module 12 mainly completes includes sampling functions 23, system control strategy 27, data analysis
Process and communication logic 28, decoding unit 24, coding unit 29.Wherein, the realization of control module 12 includes but not limited to use
The programmable or non-programmable controller such as MCU, ARM, DSP, FPGA, CPLD.Sampling functions 23 processes laser ranging sending module
With the relevant information of laser ranging receiver module, module by signal is converted into digital signal, for Data Analysis Services unit 28
Use.Data Analysis Services and communication unit 28 mainly perform location algorithm and communication algorithm.Location algorithm generally uses phase place
Method and frequency method.Communication algorithm is main according to the communications protocol and Filtering Processing with smart machine 18, is entered by corresponding digital quantity
Row filtering, smooth, arrangement.System control strategy 27 major function is switching and the control of hardware of each pattern, including dormancy mould
Formula, single distance measurement mode, continuous distance measurement mode, fault mode etc..Decoding unit 24 and coding and output unit 29 are for by corresponding
Digital-to-analogue conversion and encoding and decoding process, convenient carry out communication with intelligent terminal 18 by audio port.
Intelligent terminal 18 includes two main parts, and a part is the Intelligent control application platform of top layer, is
APP described in literary composition, it is provided that the friendly interface of operation intuitively and Function Extension.Another part is the encoding and decoding list of bottom
Unit, including coding unit 25 and decoding unit 30.Because audio port is generally used for transmitting analogue signal, so needing corresponding
Codec unit be modulated and demodulate.
As it is shown on figure 3, be the detailed description of audio interface of the present invention.Showing on the left of Fig. 3, audio port includes:
Tetra-passages of GND, MIC, R, L, GND is unified earth terminal.L is as power supply signal transmission in use, and uses R and MIC passage
As input RX and output TX signal.Needing exist for explanation, the enforcement of the present invention is not limited to shown in Fig. 3, can make
Doing function exchange with all passages in audio port, such as we can also use MIC to transmit as power supply signal, and uses
R, L are as the input/output signal of communication.
It it is circuit diagram based on the supply of audio port power supply on the right side of Fig. 3.Vin described in figure be in audio interface L and
GND channel signal.By transformer boost, produce a higher ripple level, by rectification and the filter of electric capacity of diode
Ripple, is then passed through voltage stabilizing link, it is possible to obtain the power supply required for the work of laser ranging system 11 system.Common, this power supply
Voltage is 3.3V or 1.6V or 5V.
In a word, the present invention is directly realized the power supply supply of laser ranging system by intelligent terminal, and operation controls, information exhibition
Show, functions expanding that the function such as networking greatly reduces cost and the volume of single laser ranging system, make isolated the swashing of tradition
Optical range finding apparatus is intelligent, brings bigger value and Consumer's Experience to user.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all essences in the present invention
Any amendment, equivalent and the improvement etc. made within god and principle, should be included within the scope of the present invention.
Claims (6)
1. a small portable laser ranging system, this range unit includes Laser emission and receives device, and its feature exists
This range unit is provided with external interface, and described external interface can carry out grafting with the audio interface of intelligent terminal, with
Intelligent terminal carries out communication.
2. small portable laser ranging system as claimed in claim 1, it is characterised in that described range unit specifically includes that
Audio interface, power module, control module, laser sending module, laser pick-off module, described external interface is audio interface,
Described Laser emission and reception device are laser sending module, laser pick-off module, described laser sending module, laser pick-off mould
Block is connected to control module, and described audio interface is connected to power module and control module.
3. small portable laser ranging system as claimed in claim 2, it is characterised in that described audio interface includes
Tetra-signal paths of L channel R, R channel L, mike MIC and earth terminal GND, by wherein a road is as power supply supply, additionally
Two-way respectively as receive data and send data passage, this audio interface is connected with the audio interface of intelligent terminal.
4. small portable laser ranging system as claimed in claim 2, it is characterised in that described control module include but not
Being limited to use MCU, DSP, ARM, FPGA, control module carries out data by the both-way communication passage of audio frequency and mobile terminal and leads to
News, are connected with laser sending module and laser pick-off module simultaneously；The function that control module mainly completes includes: system controls plan
Slightly, signal sampling, data analysis and process, communication decoding unit, communication coding unit, DA or PWM exports.
5. small portable laser ranging system as claimed in claim 2, it is characterised in that described laser sending module, bag
Include corresponding laser head and electro-optical conversion circuit, after described transmitting laser arrives testee, can be reflected by testee, from
And enter laser pick-off module.
6. small portable laser ranging system as claimed in claim 2, it is characterised in that described laser pick-off module, bag
Including optical amplifier camera lens, optical treatment path and photoelectric conversion device, for receiving the laser signal reflected by side object.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611002061.7A CN106324610A (en) | 2016-11-14 | 2016-11-14 | Small portable laser ranging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611002061.7A CN106324610A (en) | 2016-11-14 | 2016-11-14 | Small portable laser ranging device |
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| Publication Number | Publication Date |
|---|---|
| CN106324610A true CN106324610A (en) | 2017-01-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611002061.7A Pending CN106324610A (en) | 2016-11-14 | 2016-11-14 | Small portable laser ranging device |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100045964A1 (en) * | 2008-08-21 | 2010-02-25 | Jinhua Lanhai Photoelectricity Technology Co.,Ltd. | Apparatus and Method for Laser Ranging |
| CN103792539A (en) * | 2012-10-27 | 2014-05-14 | 中国石油化工股份有限公司 | Portable wireless laser range finding system |
| CN203825195U (en) * | 2014-02-25 | 2014-09-10 | 深圳光启创新技术有限公司 | Detection terminal and mobile electronic device |
| CN104345315A (en) * | 2013-07-26 | 2015-02-11 | 南京德朔实业有限公司 | Measuring system and use method thereof |
| CN104515996A (en) * | 2013-09-26 | 2015-04-15 | 江苏徕兹光电科技有限公司 | Laser range finding apparatus in joint application with intelligent device, and operation method thereof |
-
2016
- 2016-11-14 CN CN201611002061.7A patent/CN106324610A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100045964A1 (en) * | 2008-08-21 | 2010-02-25 | Jinhua Lanhai Photoelectricity Technology Co.,Ltd. | Apparatus and Method for Laser Ranging |
| CN103792539A (en) * | 2012-10-27 | 2014-05-14 | 中国石油化工股份有限公司 | Portable wireless laser range finding system |
| CN104345315A (en) * | 2013-07-26 | 2015-02-11 | 南京德朔实业有限公司 | Measuring system and use method thereof |
| CN104515996A (en) * | 2013-09-26 | 2015-04-15 | 江苏徕兹光电科技有限公司 | Laser range finding apparatus in joint application with intelligent device, and operation method thereof |
| CN203825195U (en) * | 2014-02-25 | 2014-09-10 | 深圳光启创新技术有限公司 | Detection terminal and mobile electronic device |
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Application publication date: 20170111 |