CN209201167U - Industrial camera digital imaging apparatus - Google Patents

Abstract

The utility model discloses a kind of industrial camera digital imaging apparatus, including digital picture acquiring unit and LVDS serial devices, digital picture acquiring unit is used to obtain the digital image information of target, LVDS serial devices are connect with digital picture acquiring unit, LVDS serial devices are used to the parallel signal that digital picture acquiring unit exports being converted to serial signal, serial signal is used to be transferred to the image processing unit of rear end, and realizes remote transmission.The industrial camera can effectively reduce the structure size of imaging moiety with digital imaging apparatus, reduce weight, improve speed, precision, stability and the compactedness intelligently equipped.

Description

Industrial camera digital imaging apparatus

Technical field

The utility model relates to a kind of industrial camera and its digital imaging apparatus.

Background technique

Industrial camera has high picture steadiness, high-transmission ability and high anti-jamming capacity.Currently, industrial phase on the market Machine is based on CCD (Chargecoupled Device) or CMOS (Complementarymetal Oxide mostly Semiconductor) the camera of chip.Ccd image sensor collection photoelectric conversion and charge storage, electric charge transfer, signal-obtaining It is typical solid imaging device in one.The outstanding feature of CCD is Using electric current or voltage as signal.This kind of image device forms charge packet by photoelectric conversion, then in the effect of driving pulse Lower transfer, amplification output picture signal.Typical CCD camera is by optical lens, timing and synchronous generator, perpendicular drive Device, analog/digital signal processing circuit composition.Cmos image sensor reads photosensitive element array, image signal amplifier, signal Sense circuit, analog to digital conversion circuit, image-signal processor and controller collection also have the volume of local pixel on one chip The advantages of journey random access.Currently, cmos image sensor is with its good integration, low-power consumption, high-speed transfer and wide dynamic The features such as range, is widely used in high-resolution and high speed situation.

But since the size of existing industrial digital camera is limited by C mouthfuls of sizes of standard, actual use when It waits, C mouthfuls of industrial lens need to be connected, cause visual component structure overall volume big.And visual structure is as the pass intelligently equipped One of key section, size directly affect the operating accuracy and working efficiency intelligently equipped.On the other hand, current mainstream industry Digital camera is made of multilayer circuit board: mainly including programmable logic device FPGA including CMOS/CCD circuit The governor circuit and power circuit of (Field Programmable Gate Array, i.e. field programmable gate array) etc..This is more Block circuit is layered to be mounted in industrial digital camera square casing together and form a whole, and FPGA master control can only dock 1 figure As sensor.With the raising of FPGA main control processor chip operational capability, monolithic FPGA main control processor acquires 1 image and passes After sensor data, extra operational capability is just wasted.

For example, mentioning in the patent that China Patent Publication No. is CN104284065A, " main control module is at FPGA master control Manage device chip, including Image Acquisition control module, image pre-processing module, image advanced processing module, transmission control module and Structure as storage control module ".But, using " integrated form " structure, that is, cmos image sensor is used, is had Effect reduces the cost and power consumption of camera, and the structure of CMOS+FPGA improves the integrated level of camera, makes the volume and weight of camera It is smaller, it is more suitable for the application for having particular/special requirement to camera size weight.Also such as China Patent Publication No. is In the patent of CN108055440A, what is recorded is a kind of typical traditional integrated structure.

For example U.S. Patent Publication No. is to also belong to traditional integrated structure in the patent of US20180084168A1, That is: " camera shooting "+" image procossing " (FPGA main control processor) is integrated in the structure of camera internal.

About reference or introduce: the applicant have submitted on the same day it is entitled " a kind of digital imaging apparatus for industrial camera, A kind of a kind of a kind of patent application of industry photographic means, industrial digital camera, industrial camera ", the content of these patent applications, The application also reference/introducing in this together.

Utility model content

The purpose of this utility model is to provide a kind of industrial camera digital imaging apparatus, can effectively reduce imaging section The structure size divided improves speed, precision, stability and the compactedness intelligently equipped.

To achieve the above object, the utility model provides a kind of industrial camera digital imaging apparatus, including digitized map As acquiring unit and LVDS (Low Voltage Differential Signaling, Low Voltage Differential Signal) serial devices, number Word image acquisition unit is used to obtain the digital image information of target, and LVDS serial devices and digital picture acquiring unit pass through row Line or plug-in unit connection, LVDS serial devices are used to the parallel signal that digital picture acquiring unit exports being converted to serial signal, Serial signal is used to be transferred to the image processing unit of rear end.In the present solution, by the basis of digital picture acquiring unit Adding a LVDS serial devices, (such as special chip, can directly purchase use, turn serial letter to carry out parallel signal Number), which is specifically used to the output signal of converting digital image acquiring unit, and parallel signal is turned serial letter Number, serial signal can be transferred to rear end FPGA main control processor (Field Programmable Gate Array, i.e., it is existing Field programmable gate array) or DSP main control processor (Digital Signal Processor, digital signal processor).In this way, The industrial camera digital imaging apparatus can be separated with image processing unit, and industrial camera digital imaging apparatus can be small Type, and the structure size of industrial camera digital imaging apparatus to the design intelligently equipped have significant impact, it is more small and exquisite at As part is better to the entire high speed intelligently equipped, high-precision, stability and compactedness, the design system intelligently equipped can be more reduced The performance for causing this, improving equipment, to promote the competitiveness intelligently equipped.On the other hand, image processing unit can be simultaneously The signal that multiple industrial cameras are transmitted with digital imaging apparatus is handled, processing capacity is strong.

Preferably, digital picture acquiring unit includes CMOS chip or CCD chip.

Preferably, industrial camera digital imaging apparatus further includes signal amplification unit, and signal amplification unit is used for will It is exported after the output signal amplification of LVDS serial devices.

Preferably, industrial camera digital imaging apparatus further includes input interface and output interface.

Preferably, industrial camera digital imaging apparatus further includes cache unit.

Preferably, image processing unit is FPGA main control processor or DPS main control processor.

Preferably, image processing unit further includes that LVDS unstrings voluntarily to unstring inside device or main control chip and becomes parallel letter Number.

Preferably, industrial camera digital imaging apparatus further includes the camera lens using the small lens interface of than C mouthfuls diameters Head.

Preferably, lens interface is M12 or S hickey.

Preferably, the serial signal converted through LVDS serial devices is by LVDS cable transmission to image processing unit.

The utility model additionally provides a kind of industrial camera, comprising: multiple above-mentioned arbitrary industrial camera digital imageries Equipment；And an image processing unit, it is connect respectively with multiple industrial cameras with digital imaging apparatus.

The utility model additionally provides a kind of NI Vision Builder for Automated Inspection, including above-mentioned industrial camera.

Compared with prior art, the utility model has the following beneficial effects: by designing a kind of completely new industrial camera With digital imaging apparatus, a LVDS serial devices are added on the basis of digital picture acquiring unit, the LVDS serial devices It is specifically used to the output signal of converting digital image acquiring unit, parallel signal is turned into serial signal, serial signal can transmit To the FPGA main control processor or DSP main control processor of rear end.In this way, the industrial camera digital imaging apparatus can be with Image processing unit separation, industrial camera digital imaging apparatus can minimize, and industrial camera digital imaging apparatus Structure size has significant impact to the design intelligently equipped, and more small and exquisite imaging moiety is to the entire high speed intelligently equipped, high-precision Degree, stability and compactedness are better, the performance that can more reduce the design and manufacture cost intelligently equipped, improve equipment, to be promoted The competitiveness intelligently equipped.On the other hand, image processing unit can handle multiple industrial camera digital imaging apparatus simultaneously The signal transmitted, processing capacity are strong.

Detailed description of the invention

Fig. 1 is the schematic illustration of industrial camera digital imaging apparatus according to the present utility model.

Specific embodiment

With reference to the accompanying drawing, specific embodiment of the present utility model is described in detail, it is to be understood that this is practical Novel protection scope is not limited by the specific implementation.

Unless otherwise explicitly stated, otherwise in entire disclosure and claims, term " includes " or its change Changing such as "comprising" or " including " etc. will be understood to comprise stated element or component, and not exclude other members Part or other component parts.

Embodiment 1

As shown in Figure 1, according to a kind of industrial camera digital imaging apparatus 1 of specific embodiment of the present invention, packet Include digital picture acquiring unit 11 and LVDS serial devices 12 (such as Beijing hat space engraves logical LVDS serializer: GM8913), number Word image acquisition unit 11 is used to obtain the digital image information of target, LVDS serial devices 12 and digital picture acquiring unit 11 It is connected by winding displacement or plug-in unit, the parallel signal that LVDS serial devices 12 are used to export digital picture acquiring unit 11 is converted For serial signal, serial signal is used to be transferred to the image processing unit (component part of NI Vision Builder for Automated Inspection) of rear end, image Processing unit can be programmable logic device FPGA (Field Programmable Gate Array, i.e. field programmable gate Array) main control processor (such as FPGA:Cyclone IV of altera corp) or DSP (Digital Signal Processing) main control processor (such as DSP:TMS320C6713 of TI company).

As a preferred embodiment, digital picture acquiring unit 1 includes that CMOS chip or CCD chip (such as are pacified The gloomy beauty CMOS:PYTHON1300 of (ON Semiconductor), Sharp (SHARP) CCD:RJ333CAD0DT).

As a preferred embodiment, industrial camera digital imaging apparatus further includes signal amplification unit, it is described Signal amplification unit (such as the LVDS cable drive of TI company: CLC001) for the output of the LVDS serial devices to be believed Number amplification after export.

In above scheme, by designing a kind of completely new industrial camera digital imaging apparatus, obtained in digital picture single A LVDS serial devices 12 are added on the basis of member 11, LVDS serial devices 12 are a kind of CPLD (Complex Programable Logic Device) chip, which is specifically used to converting digital image acquiring unit 11 Parallel signal is turned serial signal by output signal, and serial signal can be transferred to FPGA main control processor or the DSP master control of rear end Processor.Digital picture acquiring unit 11 includes CCD or CMOS (being all digital imagery).In this way, the industrial camera number at Picture equipment can be separated with image processing unit, and industrial camera digital imaging apparatus can minimize, and industrial camera is used The structure size of digital imaging apparatus has significant impact to the design intelligently equipped, and more small and exquisite imaging moiety fills entire intelligence Standby high speed, high-precision, stability and compactedness are better, can more reduce the design and manufacture cost intelligently equipped, improve equipment Performance, to promote the competitiveness intelligently equipped.On the other hand, image processing unit can handle multiple industrial cameras simultaneously and use The signal that digital imaging apparatus transmits, processing capacity are strong.

Certainly, the industrial camera digital imaging apparatus of the present embodiment further includes input interface, output interface, further includes delaying It deposits and (improves buffer memory capacity, improves treatment effeciency or speed etc.).CCD/CMOS chip can be set with LVDS serial devices It sets on one piece of mainboard.

Embodiment 2

As shown in Figure 1, according to a kind of industrial camera of specific embodiment of the present invention, comprising: multiple industrial cameras With digital imaging apparatus 1 and an image processing unit (FPGA main control processor or DSP main control processor), main control processor It is connect respectively with multiple industrial cameras with digital imaging apparatus 1 by cable.Industrial camera digital imaging apparatus 1 includes number Image acquisition unit 11 and LVDS serial devices 12, digital picture acquiring unit 11 are used to obtain the digital image information of target, LVDS serial devices 12 are connect with digital picture acquiring unit 11 by winding displacement or plug-in unit, and LVDS serial devices 12 will be for that will count The parallel signal that word image acquisition unit 11 exports is converted to serial signal, and serial signal transfer is to image processing unit.We In case, industrial camera digital imaging apparatus 1 includes output interface 13, and industrial camera digital imaging apparatus 1 is connect by output Mouth 13 is connect with main control processor.Industrial camera in this programme includes multiple aforementioned industrial camera digital imaging apparatus, more Output signal is transmitted to the same component (image processing unit) by a aforementioned industrial camera with digital imaging apparatus 1, and described group Part handles received signal, i.e., multiple industrial camera digital imaging apparatus, shares an image processor, Ye Jiyi More modes is dragged, image processing efficiency can be improved in this way, save cost.

It should be added that the chip being related in above-described embodiment can purchase specific chip currently on the market Product, such as:

It, can be for example, by using for sensitive chip: Onsen (ON Semiconductor) CMOS:PYTHON 300, PYTHON 480,PYTHON 500,PYTHON1300.Sharp (SHARP) CCD:RJ33B4AD0DT, RJ33J4AD0DT, RJ333CAD0DT。

For LVDS serial devices, can be used as follows: the DS90UB913Q of logical GM8913, TI company of Beijing hat space inscription, SN65LV1023A。

Signal amplifying apparatus (cable drive) can for example be used: TI company: CLC001, CLC006.

It, can be public using Xilinx for FPGA ((Field-Programmable Gate Array)) main control processor Take charge of FPGA:Spartan-6, altera corp FPGA:Cyclone IV.

For DSP (Digital Signal Processor, digital signal processor) main control unit, such as can adopt With: the DSP:TMS320C6713 of TI company.

The description of the aforementioned specific exemplary embodiment to the utility model is in order to illustrate and illustration purpose.These Description is not wishing to for the utility model to be limited to disclosed precise forms, and it will be apparent that according to the above instruction, can carry out It is many to change and change.The purpose of selecting and describing the exemplary embodiment is that explaining the specific principle of the utility model And its practical application, so that those skilled in the art can be realized and utilize a variety of different examples of the utility model Property embodiment and various chooses and changes.The scope of the utility model is intended to by claims and its waits similar shapes Formula is limited.

Claims (9)

1. a kind of industrial camera digital imaging apparatus, which is characterized in that including digital picture acquiring unit and LVDS serializer Part, the digital picture acquiring unit are used to obtain the digital image information of target, the LVDS serial devices and the number Image acquisition unit connection, the parallel signal that the LVDS serial devices are used to export the digital picture acquiring unit are converted For serial signal, the serial signal is used to be transferred to the image processing unit of rear end.

2. industrial camera digital imaging apparatus according to claim 1, which is characterized in that the digital picture obtains single Member includes CMOS chip or CCD chip.

3. industrial camera digital imaging apparatus according to claim 2, which is characterized in that the industrial camera number Imaging device further includes signal amplification unit, and the signal amplification unit is for putting the output signal of the LVDS serial devices Output after big.

4. industrial camera digital imaging apparatus according to claim 1, which is characterized in that the industrial camera number Imaging device further includes input interface and output interface.

5. industrial camera digital imaging apparatus according to claim 1, which is characterized in that the industrial camera number Imaging device further includes cache unit.

6. industrial camera digital imaging apparatus according to claim 1-5, which is characterized in that the LVDS string Row device is connect with the digital picture acquiring unit by winding displacement or plug-in unit.

7. industrial camera digital imaging apparatus according to claim 6, which is characterized in that further include using more straight than C mouthfuls The pick-up lens of the small lens interface of diameter.

8. industrial camera digital imaging apparatus according to claim 7, which is characterized in that the lens interface is M12 Or S hickey.

9. industrial camera digital imaging apparatus according to claim 8, which is characterized in that the serial signal passes through LVDS cable transmission gives described image processing unit.