CN109738907A - Laser waveform data acquisition device and method - Google Patents
Laser waveform data acquisition device and method Download PDFInfo
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- CN109738907A CN109738907A CN201910192442.3A CN201910192442A CN109738907A CN 109738907 A CN109738907 A CN 109738907A CN 201910192442 A CN201910192442 A CN 201910192442A CN 109738907 A CN109738907 A CN 109738907A
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- waveform data
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- data acquisition
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Abstract
The present invention provides a kind of laser waveform data acquisition device and method, is related to laser data acquisition field.The laser waveform data acquisition device includes: that laser waveform data acquisition equipment and veneer calculate equipment, wherein laser waveform data acquisition equipment includes: on-site programmable gate array FPGA, cache chip, storage chip, high stability crystal oscillator.Wherein, cache chip, storage chip, high stability crystal oscillator are connect with FPGA pin.Laser waveform data acquisition equipment is connected with veneer computing device communication, and veneer calculates equipment control laser waveform data acquisition equipment and acquires Wave data information.Using the laser waveform data acquisition device, accurate laser waveform data can be obtained, and the device have many advantages, such as it is small in size, low in energy consumption, at low cost.
Description
Technical field
The present invention relates to laser data acquisition technique field, in particular to a kind of laser waveform data acquisition device and side
Method.
Background technique
In recent years, laser ranging technique is widely used in all trades and professions.Its principle is to compare transmitting laser waveform and return
The delay or phase difference returned between laser waveform determine the flight time of laser, and then are converted into distance.
In the prior art, the laser waveform acquisition and recording equipment of use specifically includes that high-speed data acquisition card, industry control calculate
The computer system of machine and disk array composition carries out waveform acquisition and storage, requires high, ranging to meet some range accuracies
Frequency requirement is high, multiecho measures and the field of high real-time transmission requirement.
But there is the problem bulky, power consumption is big, at high cost using the prior art.
Summary of the invention
It is an object of the present invention in view of the deficiency of the prior art, provide a kind of laser waveform data acquisition dress
It sets and method, which has many advantages, such as small in size, small power consumption, at low cost.
To achieve the above object, technical solution used by the embodiment of the present invention is as follows:
In a first aspect, must row data acquisition device the embodiment of the invention provides a kind of laser, comprising: laser waveform data
It acquires equipment and veneer calculates equipment；The laser waveform data acquisition equipment is connected with the veneer computing device communication, institute
It states veneer and calculates equipment for controlling the laser waveform data acquisition equipment acquisition Wave data information；
The laser waveform data acquisition equipment is for by treated, the Wave data information to be sent to the veneer
Equipment is calculated, the veneer calculates equipment and stores the Wave data information；
The laser waveform data acquisition equipment include: on-site programmable gate array FPGA, cache chip, storage chip,
High stability crystal oscillator；The cache chip, the storage chip, the high stability crystal oscillator are connect with the FPGA pin.
Optionally, the laser waveform data acquisition equipment further include: the first bus interface, the second bus interface, first
Network interface；One end of first bus interface is connect with the input pin of the FPGA；The one of second bus interface
The input that end is connect with the output pin of the FPGA, the other end of second bus interface calculates equipment with the veneer is drawn
Foot is connected；One end of the first network interface is connect with the network pin of the FPGA, the first network interface it is another
End is connect with the veneer network of computing devices pin.
Optionally, it includes: second bus interface, the first network interface, the second net that the veneer, which calculates equipment,
Network interface；One end of second bus interface is connect with the output pin of the FPGA, second bus interface it is another
The input pin for calculating equipment with the veneer is held to connect；One end of the first network interface and the network pin of the FPGA
Connection, the other end of the first network interface are connect with the veneer network of computing devices pin, second network interface
One end is connect with the veneer network of computing devices pin, the network pin connection of the other end and external equipment.
Optionally, further includes: hard drive interface；The veneer calculates equipment, is also used to through the hardware driving
The Wave data information is transferred to solid state hard disk by device interface.
Optionally, the veneer calculates equipment further include: Universal Serial Bus Interface (USB)；The veneer calculates equipment,
It is also used to export the Wave data information to movable storage device by the Universal Serial Bus Interface.
Optionally, the laser waveform data acquisition equipment, further includes: extend out interface；It is described to extend out interface and the list
Plate calculates the output pin connection of equipment.
Optionally, the veneer calculates equipment further include: wireless communication interface；One end of the wireless communication interface and institute
The connection of veneer computing device communication is stated, the other end and the mobile terminal wireless communication of the wireless communication interface connect.
Optionally, the other end of the wireless communication interface is connected by Wi-Fi or bluetooth and mobile terminal wireless communication.
Second aspect, the embodiment of the invention also provides a kind of laser waveform collecting method, the method is applied to
Device described in first aspect, which comprises
The veneer calculates equipment and controls the laser waveform data acquisition equipment acquisition laser waveform data information；
The laser waveform data acquisition equipment calculates equipment to the veneer and sends treated the laser wave figurate number
It is believed that breath, and store the Wave data information.
Optionally, the laser waveform data acquisition equipment calculates equipment to the veneer and sends treated the laser
Wave data information, comprising:
The laser waveform data acquisition equipment obtains clock information by high stability crystal oscillator；
The clock information and the laser waveform data information are packaged by the laser waveform data acquisition equipment, are obtained
Treated the laser waveform data information；
The laser waveform data acquisition equipment calculates equipment to the veneer and sends treated the laser wave figurate number
It is believed that breath.
The beneficial effects of the present invention are:
The present invention provides a kind of laser waveform data acquisition device and method, the laser waveform data acquisition device include:
Laser waveform data acquisition equipment and veneer calculate equipment, wherein laser waveform data acquisition equipment includes: field programmable gate
Array FPGA, cache chip, storage chip, high stability crystal oscillator, cache chip, storage chip, high stability crystal oscillator connect with FPGA pin
It connects.Laser waveform data acquisition equipment is connected with veneer computing device communication, and veneer calculates equipment and controls laser waveform data
It acquires equipment and acquires Wave data information.Using the laser waveform data acquisition device, accurate laser waveform data can be obtained,
And the device have many advantages, such as it is small in size, low in energy consumption, at low cost.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is a kind of laser waveform data acquisition device configuration diagram provided by the invention；
Fig. 2 is a kind of laser waveform data acquisition device structural schematic diagram that one embodiment of the invention provides；
Fig. 3 is a kind of laser waveform data acquisition device structural schematic diagram that further embodiment of this invention provides；
Fig. 4 be another embodiment of the present invention provides a kind of laser waveform data acquisition device structural schematic diagram；
Fig. 5 is a kind of laser waveform collecting method flow diagram that one embodiment of the invention provides；
Fig. 6 is a kind of laser waveform collecting method flow diagram that further embodiment of this invention provides.
Icon: 100- laser waveform data acquisition equipment；110-FPGA；120- cache chip；130- storage chip；140-
High stability crystal oscillator；The first bus interface of 150-；The second bus interface of 151-；160- first network interface；The second network interface of 161-；
170- hard drive interface；171- Universal Serial Bus Interface；172- extends out interface；173- wireless communication interface；200- is mono-
Plate calculates equipment.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.The present invention being usually described and illustrated herein in the accompanying drawings is implemented
The component of example can be arranged and be designed with a variety of different configurations.
Therefore, the detailed description of the embodiment of the present invention provided in the accompanying drawings is not intended to limit below claimed
The scope of the present invention, but be merely representative of selected embodiment of the invention.Based on the embodiments of the present invention, this field is common
Technical staff's every other embodiment obtained without creative efforts belongs to the model that the present invention protects
It encloses.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, or be somebody's turn to do
Invention product using when the orientation or positional relationship usually put, be merely for convenience of description of the present invention and simplification of the description, without
It is that the device of indication or suggestion meaning or element must have a particular orientation, be constructed and operated in a specific orientation, therefore not
It can be interpreted as limitation of the present invention.In addition, term " first ", " second ", " third " etc. are only used for distinguishing description, and cannot manage
Solution is indication or suggestion relative importance.
In addition, the terms such as term "horizontal", "vertical" are not offered as requiring component abswolute level or pendency, but can be slightly
Low dip.It is not to indicate that the structure has been had to if "horizontal" only refers to that its direction is more horizontal with respect to for "vertical"
It is complete horizontal, but can be slightly tilted.
In the description of the present invention, it is also necessary to which explanation is unless specifically defined or limited otherwise, term " setting ",
" installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be fixedly connected, may be a detachable connection or one
Connect to body；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, it can also be indirect by intermediary
It is connected, can be the connection inside two elements.For the ordinary skill in the art, on being understood with concrete condition
State the concrete meaning of term in the present invention.
First embodiment
As shown in FIG. 1, FIG. 1 is a kind of laser waveform data acquisition device configuration diagram provided by the invention, the laser
Wave data acquisition device includes: that laser waveform data acquisition equipment 100 and veneer calculate equipment 200.
Wherein, laser waveform data acquisition device provided in this embodiment is realized, top layer circuit in the form of stacking
For laser waveform data acquisition equipment 100, bottom circuit is that veneer calculates equipment 200, and laser waveform data acquisition equipment 100
It is connected with veneer calculating equipment 200 by high speed connector progress signal and signal transmits.
As described in Figure 2, Fig. 2 is a kind of laser waveform data acquisition device structural representation that one embodiment of the invention provides
Figure.
Veneer calculates equipment 200 and acquires Wave data information for controlling laser waveform data acquisition equipment 100.Laser wave
Graphic data acquisition equipment 100 be used for will treated that Wave data information is sent to that veneer calculates equipment 200, and veneer calculating is set
Standby 200 stored waveform data informations.
It should be noted that veneer provided in this embodiment, which calculates, is integrated with COM (Computer in equipment 200
Module) computer module is made of processor either microcontroller, memory, storage, power management and circuit board, internal
Embedded Operating System, such as Linux, WINCE, QNX are needed, the computer system of a minimum is constituted.
Explanation is needed further exist for, veneer, which calculates 200 stored waveform data information of equipment and can will be conveyed to, has storage
The storage equipment of function.Correspondingly, which can be embedded storage equipment, external can also have store function
Equipment is stored, including but not limited to: solid state hard disk, USB flash drive (USB flash disk, abbreviation USB flash disk) etc..
Further, laser waveform data acquisition equipment 100 includes: on-site programmable gate array FPGA 110, cache chip
120, storage chip 130, high stability crystal oscillator 140；Cache chip 120, storage chip 130, high stability crystal oscillator 140 with it is described
The connection of FPGA110 pin.
It should be noted that FPGA110 (Field-Programmable Gate Array, field programmable gate array)
Effect be that Wave data to input and the time for collecting the Wave data information carry out packing processing, will be collected
Current form data and current acquisition time correspond.
Cache chip 120 is used for the Wave data after caching process, while cache chip 120 is also used to equilibrium and is input to
The bandwidth of FPGA110 Wave data and bandwidth difference from FPGA110 output waveform data, to avoid occur will treated waveform
Data information is transmitted to reception bandwidth when veneer calculates equipment 200 and is limited by high speed connector to be showed with what memory bandwidth was limited
As.
Further, cache chip 120 provided in this embodiment can be large capacity third generation double data rate it is same
Walk dynamic random access memory (Double-Data-Rate Three Synchronous Dynamic Random Access
Memory, abbreviation DDR3SDRAM), have many advantages, such as that memory capacity is big, low-power consumption.But cache chip provided in this embodiment
120 be not limitation with DDR3SDRAM, other memories with similar store function are in the present embodiment protection scope.
The effect of storage chip 130 is to save FPGA110 program and acquisition parameter, and related research staff can be facilitated to inside
The real-time monitoring of program and parameter.
Further, storage chip 130 provided in this embodiment can be nand flash memory (NAND FLASH), have
The advantages of read or write speed is fast, and power down internal processes will not be lost.But storage chip 130 provided in this embodiment is not with NAND
Flash memory is limitation, has the storage chip 130 of likeness in form functional characteristics within the present embodiment protection scope.
The temporal information that high stability crystal oscillator 140 is used to be collected into laser waveform data acquisition equipment 100 carries out high-precision
Divide operation, high-precision split screen time can be with the triggered times of each measured waveform data of precise marking.
For example, collected before is to receive after the frequency dividing of high stability crystal oscillator 140 using the second as the Wave data information of chronomere
Collect be by millisecond or it is delicate as unit of Wave data information, the current form data information that can more precisely record.
The present invention provides a kind of laser waveform data acquisition device, comprising: laser waveform data acquisition equipment 100 and veneer
Calculate equipment 200, wherein laser waveform data acquisition equipment 100 includes: on-site programmable gate array FPGA 110, cache chip
120, storage chip 130, high stability crystal oscillator 140.Wherein, cache chip 120, storage chip 130, high stability crystal oscillator 140 with
The connection of FPGA110 pin.Laser waveform data acquisition equipment 100 and veneer calculate equipment 200 and communicate to connect, and veneer calculating is set
Standby 200 control laser waveform data acquisition equipment 100 acquires Wave data information.Using the laser waveform data acquisition device,
Can obtain accurate laser waveform data, and the device have many advantages, such as it is small in size, low in energy consumption, at low cost, while can be to waveform
Data are managed and browse.
Referring to figure 3., Fig. 3 is a kind of laser waveform data acquisition device structural representation that further embodiment of this invention provides
Figure.
Laser waveform data acquisition device provided in this embodiment further include: the first bus interface 150, the second bus interface
151, first network interface 160.
Wherein, the input pin of one end of the first bus interface 150 and FPGA110 connect.First bus is used for will be external
It adopts laser waveform information and is transferred to the present apparatus.
The connection of the output pin of one end of second bus interface 151 and FPGA110, the second bus interface 151 the other end
The input pin for calculating equipment 200 with veneer is connected.The functioning as of second bus has connected the acquisition of laser waveform data and has set
The high speed connector of equipment 200 is calculated for 100 and veneer.
It should be noted that the first bus interface 150 provided in this embodiment, the second bus interface 151 can be SRIO
Gen2.0 interface or PCIE Gen2.0 interface, above-mentioned interface transmitted waveform data information have with roomy, and transmission rate is fast etc.
Advantage.But the first bus interface 150 provided in this embodiment, the second bus interface 151 not with SRIO Gen2.0 interface or
PCIE Gen2.0 interface is limitation.
One end of first network interface 160 and the network pin of FPGA110 connect, the other end of first network interface 160
200 network pin of equipment is calculated with veneer to connect.
It should be noted that the network interface that is applied to of the present embodiment is gigabit ethernet interface, kilomega network have efficiently,
The features such as high-performance.
Referring to figure 4., Fig. 4 is a kind of laser waveform data acquisition device structural representation that further embodiment of this invention provides
Figure.
Further, veneer, which calculates, has identical the connect with laser waveform data acquisition equipment 100 in equipment 200
Outside two lines bus interface 151, first network interface 160, further includes: the second network interface 161.
Further, 161 one end of the second network interface and veneer calculate 200 network pin of equipment and connects, the other end with outside
The network pin of portion's equipment connects.
It should be noted that veneer calculates the company of the second bus interface 151 and the first bus interface 150 in equipment 200
It is above-mentioned it is stated that not adding to repeat herein to connect mode, function and effect.Second network interface 161 and first network interface 160
Function it is identical with effect, do not add to repeat herein.
Further it should be noted that external equipment includes but is not limited to local computer, user passes through local meter
The gigabit networking interface of calculation machine connects this laser waveform data acquisition device, and the setting of carry out system, manipulation collection process, detection are set
Standby operating status, the Wave data for browsing local Wave data storage state and copy device internal storage.
Please continue to refer to Fig. 4, laser waveform data acquisition device provided in this embodiment, further includes: hardware driver connects
Mouth 170.Veneer calculates equipment 200 and is also used to that Wave data information is transferred to solid state hard disk by hard drive interface 170.
Further, veneer calculates the Wave data that equipment 200 receives the transmission of laser waveform data acquisition equipment 100,
Solid state hard disk is transferred to by bus interface by hard drive interface 170 again.
Explanation is needed further exist for, solid state hard disk provided in this embodiment includes but is not limited to msata solid state hard disk.
Optionally, laser waveform data acquisition device provided in this embodiment, veneer calculate equipment 200 further include: general
Serial bus interface 171 (USB).Veneer calculates equipment 200 and is also used to believe Wave data by Universal Serial Bus Interface 171
Breath is exported to movable storage device.
It should be noted that movable storage device includes but is not limited to USB flash disk.Correspondingly, which can be
The interfaces such as USB2.0, USB3.0.But USB interface provided in this embodiment is not limited fixture body with USB2.0, USB3.0 with reality
Subject to the demand of border.
Further, laser waveform data acquisition device provided in this embodiment, laser waveform data acquisition equipment 100 is also
It include: to extend out interface 172.It extends out interface 172 and is connect with the output pin that veneer calculates equipment 200.
It optionally, is originally the laser waveform data acquisition device of embodiment offer, veneer calculates equipment 200 further include: nothing
Line communication interface 173.One end of wireless communication interface 173 and veneer calculate equipment 200 and communicate to connect, wireless communication interface 173
The other end and mobile terminal wireless communication connect.
The mobile devices such as mobile phone, tablet computer, laptop can be used in user, and interface 173 connects by wireless communication
This laser waveform data acquisition device, while can download corresponding client on the mobile apparatus, can the real-time monitoring present apparatus
Operating status browses local Wave data information.
Further, the other end of wireless communication interface 173 is connected by Wi-Fi or bluetooth and mobile terminal wireless communication
It connects.
Laser waveform data acquisition device provided by the invention, have small size, low-power consumption, low cost, high data bandwidth,
High storage capacity, be easily integrated, time synchronization can be carried out, Wave data can be managed and browsed, can remote control or close
The characteristics of distance manipulation.
Referring to figure 5., Fig. 5 is a kind of laser waveform collecting method process signal that one embodiment of the invention provides
Figure.
The laser waveform collecting method is applied to above-mentioned laser waveform data acquisition device, this method comprises:
S501, veneer calculate equipment control laser waveform data acquisition equipment and acquire laser waveform data information.
S502, laser waveform data acquisition equipment calculate equipment to veneer and send treated laser waveform data information,
Veneer calculates equipment and stored waveform data information.
Further, Fig. 6 is please referred to, Fig. 6 is a kind of laser waveform data acquisition side that further embodiment of this invention provides
Method flow diagram.
After executing the step S501, further includes:
S503, laser waveform data acquisition equipment obtain clock information by high stability crystal oscillator.
Clock information and laser waveform data information are packaged by S504, laser waveform data acquisition equipment, after acquisition processing
Laser waveform data information.
S505, laser waveform data acquisition equipment calculate equipment to veneer and send treated laser waveform data information.
It should be noted that the above method is applied to execute the device that previous embodiment provides, realization principle and technology
Effect is similar, and details are not described herein.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of laser waveform data acquisition device characterized by comprising laser waveform data acquisition equipment and veneer calculate
Equipment；The laser waveform data acquisition equipment is connected with the veneer computing device communication, and the veneer calculates equipment and is used for
Control the laser waveform data acquisition equipment acquisition Wave data information；
The laser waveform data acquisition equipment is for by treated, the Wave data information to be sent to the veneer calculating
Equipment, the veneer calculate equipment and store the Wave data information；
The laser waveform data acquisition equipment includes: on-site programmable gate array FPGA, cache chip, storage chip, Gao Wen
Crystal oscillator；The cache chip, the storage chip, the high stability crystal oscillator are connect with the FPGA pin.
2. laser waveform data acquisition device according to claim 1, which is characterized in that the laser waveform data acquisition
Equipment further include: the first bus interface, the second bus interface, first network interface；
One end of first bus interface is connect with the input pin of the FPGA；One end of second bus interface and institute
The other end of the output pin connection, second bus interface of stating FPGA calculates the input pin phase of equipment with the veneer
Even；
One end of the first network interface is connect with the network pin of the FPGA, the other end of the first network interface with
The veneer network of computing devices pin connection.
3. laser waveform data acquisition device according to claim 2, which is characterized in that the veneer calculates equipment packet
It includes: second bus interface, the first network interface, the second network interface；
One end of second bus interface is connect with the output pin of the FPGA, the other end of second bus interface with
The veneer calculates the input pin connection of equipment；One end of the first network interface and the network pin of the FPGA connect
It connects, the other end of the first network interface is connect with the veneer network of computing devices pin, second network interface one
End is connect with the veneer network of computing devices pin, the network pin connection of the other end and external equipment.
4. laser waveform data acquisition device according to claim 1, which is characterized in that further include: hardware driver connects
Mouthful；
The veneer calculates equipment, is also used to that the Wave data information is transferred to solid-state by the hard drive interface
Hard disk.
5. laser waveform data acquisition device according to claim 1, which is characterized in that the veneer calculates equipment and also wraps
It includes: Universal Serial Bus Interface (USB)；
The veneer calculates equipment, is also used to export the Wave data information to shifting by the Universal Serial Bus Interface
Dynamic storage equipment.
6. laser waveform data acquisition device according to claim 1, which is characterized in that the laser waveform data acquisition
Equipment, further includes: extend out interface；
The interface that extends out is connect with the output pin of veneer calculating equipment.
7. laser waveform data acquisition device according to claim 1, which is characterized in that the veneer calculates equipment and also wraps
It includes: wireless communication interface；
One end of the wireless communication interface is connect with the veneer computing device communication, the other end of the wireless communication interface
It wirelessly communicates and connects with mobile terminal.
8. laser waveform data acquisition device according to claim 7, which is characterized in that the wireless communication interface it is another
One end is connected by Wi-Fi or bluetooth and mobile terminal wireless communication.
9. a kind of laser waveform collecting method, which is characterized in that the method is applied to described in any one of claim 1-8
Device, which comprises
The veneer calculates equipment and controls the laser waveform data acquisition equipment acquisition laser waveform data information；
The laser waveform data acquisition equipment calculates the equipment laser waveform data letter that sends that treated to the veneer
Breath, the veneer calculate equipment and store the Wave data information.
10. laser waveform collecting method according to claim 9, which is characterized in that the laser waveform data are adopted
Collect equipment and calculate equipment to the veneer and sends treated the laser waveform data information, comprising:
The laser waveform data acquisition equipment obtains clock information by high stability crystal oscillator；
The clock information and the laser waveform data information are packaged by the laser waveform data acquisition equipment, described in acquisition
Treated laser waveform data information；
The laser waveform data acquisition equipment to treated described in veneer calculating equipment transmission, believe by laser waveform data
Breath.
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| CN201910192442.3A CN109738907A (en) | 2019-03-13 | 2019-03-13 | Laser waveform data acquisition device and method |
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