CN208128411U - Laser scattering imaging capture card and image processing apparatus based on FPGA - Google Patents
Laser scattering imaging capture card and image processing apparatus based on FPGA Download PDFInfo
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- CN208128411U CN208128411U CN201820698088.2U CN201820698088U CN208128411U CN 208128411 U CN208128411 U CN 208128411U CN 201820698088 U CN201820698088 U CN 201820698088U CN 208128411 U CN208128411 U CN 208128411U
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Abstract
The utility model relates to the laser scattering imaging capture card based on FPGA and the laser scattering imaging processing units based on FPGA, it may be implemented (to be all the way picture signal to the two paths of signals that laser light scattering device exports, all the way it is image alignment signal) Quick Acquisition, synthesis are carried out, and it is transferred to computer.Laser scattering imaging processing unit based on FPGA includes：Main control module, A/D acquisition module, data memory module, data transmission module, laser light scattering device and computer.Wherein：Main control module includes FPGA type main control chip, for handling digital information；A/D acquisition module is connect with laser light scattering device and main control module respectively, for receiving the electric signal of the image from laser light scattering device, and is translated into digital signal and is exported to main control module；Data memory module is used to store the operational data and operation result of main control module；Data transmission module is used to make to realize that the gigabit Ethernet of Gige Vision agreement communicates between main control module and computer.
Description
Technical field
The utility model relates to the communication technologys, and in particular to laser scattering imaging capture card based on FPGA and be based on FPGA
Laser scattering imaging processing unit.
Background technique
Data acquisition, refers to the automatic collection non-electrical from the analog- and digital- unit under test such as sensor and other Devices to test
Amount or electric quantity signal, are sent in host computer and are analyzed, and handle.Data collection system be combine based on computer or other
The measurement software and hardware product of dedicated testing platform realizes flexible, the customized measuring system of user.Data collecting card, i.e., in fact
The computer extender card of existing data acquisition function, can by USB, PCI PCIE, gigabit Ethernet, various wireless networks etc. it is total
Line accesses personal computer.
Utility model content
To overcome the above-mentioned deficiency in the presence of the prior art, the utility model provides the laser light scattering figure based on FPGA
As capture card, it may be implemented (to be all the way picture signal, be all the way image alignment to the two paths of signals that laser light scattering device exports
Signal) Quick Acquisition, synthesis are carried out, and it is transferred to computer.Corresponding, the utility model additionally provides the laser based on FPGA
Dispersion image processing unit.
For capture card：The laser scattering imaging capture card based on FPGA of the utility model, including：
Main control module, main control module include FPGA type main control chip, and main control module is for handling digital information；
A/D acquisition module, A/D acquisition module include modulus conversion chip, and A/D acquisition module is connect with main control module, are used
In the electric signal of image of the reception from laser light scattering device, and it is translated into digital signal and exports to main control module；
Data memory module, data memory module include memory chip, and data memory module is connect with main control module, are used for
Store the operational data and operation result of main control module；
And data transmission module, data transmission module include data transmission chip, data transmission module and main control module
Connection realizes that the gigabit Ethernet of Gige Vision agreement communicates for making between main control module and computer.
Compared with prior art, the laser scattering imaging based on FPGA of the utility model acquires fixture body brand-new design
Circuit structure, the two paths of signals that may be implemented to export laser light scattering device (are all the way picture signal, are all the way image alignment letter
Number) Quick Acquisition, synthesis are carried out, and it is transferred to computer, compared with prior art, the image pick-up card of the utility model can be more preferable
Collect a complete clearly image, and due to being two paths of signals, acquired image has in terms of image alignment
Very big advantage.
As optimization, the laser scattering imaging capture card above-mentioned based on FPGA further includes JTAG emulation interface and serially matches
Chip is set, JTAG emulation interface and series arrangement chip are connect with main control module, are used for programming program.
As optimization, the laser scattering imaging capture card above-mentioned based on FPGA further includes power module, and power module is used
It powers in for each component.
As optimization, in the laser scattering imaging capture card above-mentioned based on FPGA, the data transmission module further includes
Data transmission interface, data transmission interface are connect with the output end of data transmission chip, play the role of facilitating connection computer.
As optimization, the laser scattering imaging capture card above-mentioned based on FPGA further includes image display, for real
The display of existing image.
Preferably, in the laser scattering imaging capture card above-mentioned based on FPGA, the FPGA type main control chip is
The EP4CE15F23C8 main control chip of the E series of the FPGA of Cyclone IV；The modulus conversion chip is AD9226 chip；Institute
Stating memory chip is MT47H64M16HR-3IT chip；The data transmission chip is RTL8211EG chip；The JTAG emulation
Interface and series arrangement chip are M25P6 or EPCS64；The data transmission interface is RJ45 network interface.
For image processing apparatus, the laser scattering imaging processing unit based on FPGA of the utility model includes that laser dissipates
Injection device, computer, and the laser scattering imaging capture card based on FPGA as the aforementioned；The laser light scattering device with it is described
The A/D acquisition module of laser scattering imaging capture card based on FPGA connects；The computer and the laser based on FPGA
The data transmission module of dispersion image capture card connects.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of laser scattering imaging processing unit of the utility model based on FPGA.
Specific embodiment
(embodiment) is further described the utility model with reference to the accompanying drawings and detailed description, this place is retouched
The specific embodiment stated is only used to explain the utility model, but is not intended as the foundation limited the utility model.
Referring to Fig. 1, the laser scattering imaging processing unit based on FPGA of the utility model includes：Main control module, A/D are adopted
Collect module, data memory module, data transmission module, laser light scattering device and computer.
Wherein：
Main control module includes FPGA type main control chip, and main control module is for handling digital information；
A/D acquisition module includes modulus conversion chip, and A/D acquisition module connects with laser light scattering device and main control module respectively
It connects, for receiving the electric signal of the image from laser light scattering device, and is translated into digital signal and exports to main control module；
Data memory module includes memory chip, and data memory module is connect with main control module, for storing main control module
Operational data and operation result；
Data transmission module includes data transmission chip, and data transmission module is connect with main control module, for making master control mould
Realize that the gigabit Ethernet of Gige Vision agreement communicates between block and computer.
Main control module, A/D acquisition module, data memory module and data transmission module constitute the utility model based on
The laser scattering imaging capture card of FPGA.When work, A/D acquisition module acquires analog signal (electric signal) from laser light scattering device
The picture signal and image alignment signal of form, and convert digital signal for analog signal and be conveyed to main control module, master control mould
After block receives image information, two-way A/D signal is synthesized, computer is then sent to by data transmission module.
Two-way A/D signal is the gray scale value signal of line synchronising signal and pixel respectively.Since line synchronising signal is laser
What the octahedral galvanometer of scattering generated, it needs to correct data and be stored into memory chip and caches.
Antidote can use simple interpolation derivation and gray threshold reference：
Wherein, h indicates step-length, θ1Indicate the threshold value of grey scale change degree, θ2Indicate gray value threshold value.
As optimization, the laser scattering imaging capture card based on FPGA of the utility model can further include JTAG
Emulation interface and series arrangement chip, JTAG emulation interface and series arrangement chip are connect with main control module, facilitate programming program.
As optimization, the laser scattering imaging capture card based on FPGA of the utility model can further include power supply
Module, power module are used to power for each component.
As optimization, in the laser scattering imaging capture card based on FPGA of the utility model, the data transmission module
It can further include data transmission interface, data transmission interface is connect with the output end of data transmission chip, facilitates connection
Computer.
As optimization, the laser scattering imaging capture card based on FPGA of the utility model can further include image
Display module, for realizing the display of image.The image display is a display interface device, can be USB interface.
As most preferred embodiment, the E that the FPGA type main control chip is the FPGA of Cyclone IV is serial
EP4CE15F23C8 main control chip；The modulus conversion chip is AD9226 chip；The memory chip is MT47H64M16HR-
3IT chip；The data transmission chip is RTL8211EG chip；The JTAG emulation interface and series arrangement chip are M25P6
Or EPCS64；The data transmission interface is RJ45 network interface.
The above-mentioned generality to utility model involved in the application is described and is not answered the description of its specific embodiment
It is not understood as the limitation constituted to the utility model technical solution.Those skilled in the art, can according to disclosure herein
With under the premise of without prejudice to related utility model constituent element, to above-mentioned general description or/and specific embodiment
Increased, reduced or combined including the public technology feature in embodiment, forms its belonged within the application protection scope
Its technical solution.
Claims (7)
1. the laser scattering imaging capture card based on FPGA, which is characterized in that including：
Main control module, main control module include FPGA type main control chip, and main control module is for handling digital information；
A/D acquisition module, A/D acquisition module include modulus conversion chip, and A/D acquisition module is connect with main control module, for connecing
The electric signal of the image from laser light scattering device is received, and is translated into digital signal and exports to main control module；
Data memory module, data memory module include memory chip, and data memory module is connect with main control module, for storing
The operational data and operation result of main control module；
And data transmission module, data transmission module include data transmission chip, data transmission module and main control module connect
It connects, realizes that the gigabit Ethernet of Gige Vision agreement communicates between main control module and computer for making.
2. the laser scattering imaging capture card according to claim 1 based on FPGA, it is characterised in that：It further include JTAG imitative
True interface and series arrangement chip, JTAG emulation interface and series arrangement chip are connect with main control module, are used for programming program.
3. the laser scattering imaging capture card according to claim 1 based on FPGA, it is characterised in that：It further include power supply mould
Block, power module are used to power for each component.
4. the laser scattering imaging capture card according to claim 1 based on FPGA, it is characterised in that：The data transmission
Module further includes data transmission interface, and data transmission interface is connect with the output end of data transmission chip.
5. the laser scattering imaging capture card according to claim 1 based on FPGA, it is characterised in that：It further include that image is aobvious
Show module, for realizing the display of image.
6. the laser scattering imaging capture card according to any one of claims 1 to 5 based on FPGA, feature exist
In：The FPGA type main control chip is the EP4CE15F23C8 main control chip of the E series of the FPGA of Cyclone IV；The modulus
Conversion chip is AD9226 chip；The memory chip is MT47H64M16HR-3IT chip；The data transmit chip
RTL8211EG chip；The JTAG emulation interface and series arrangement chip are M25P6 or EPCS64；The data transmission interface
For RJ45 network interface.
7. the laser scattering imaging processing unit based on FPGA, it is characterised in that：Including laser light scattering device, computer, and
The laser scattering imaging capture card based on FPGA as described in claim 1 to 6 any claim；The laser light scattering device
It is connect with the A/D acquisition module of the laser scattering imaging capture card based on FPGA；The computer is based on FPGA with described
Laser scattering imaging capture card data transmission module connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820698088.2U CN208128411U (en) | 2018-05-10 | 2018-05-10 | Laser scattering imaging capture card and image processing apparatus based on FPGA |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820698088.2U CN208128411U (en) | 2018-05-10 | 2018-05-10 | Laser scattering imaging capture card and image processing apparatus based on FPGA |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208128411U true CN208128411U (en) | 2018-11-20 |
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ID=64185679
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820698088.2U Active CN208128411U (en) | 2018-05-10 | 2018-05-10 | Laser scattering imaging capture card and image processing apparatus based on FPGA |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108419020A (en) * | 2018-05-10 | 2018-08-17 | 杭州智谷精工有限公司 | Laser scattering imaging capture card based on FPGA and image processing apparatus |
| CN111787315A (en) * | 2020-08-05 | 2020-10-16 | 昆山软龙格自动化技术有限公司 | Embedded high-speed operation network card device based on FPGA |
-
2018
- 2018-05-10 CN CN201820698088.2U patent/CN208128411U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108419020A (en) * | 2018-05-10 | 2018-08-17 | 杭州智谷精工有限公司 | Laser scattering imaging capture card based on FPGA and image processing apparatus |
| CN108419020B (en) * | 2018-05-10 | 2024-05-03 | 杭州智谷精工有限公司 | FPGA-based laser scattering image acquisition card and image processing device |
| CN111787315A (en) * | 2020-08-05 | 2020-10-16 | 昆山软龙格自动化技术有限公司 | Embedded high-speed operation network card device based on FPGA |
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