CN207482324U - Product external packaging detector and detecting system - Google Patents
Product external packaging detector and detecting system Download PDFInfo
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- CN207482324U CN207482324U CN201720800406.7U CN201720800406U CN207482324U CN 207482324 U CN207482324 U CN 207482324U CN 201720800406 U CN201720800406 U CN 201720800406U CN 207482324 U CN207482324 U CN 207482324U
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Abstract
The utility model provides product external packaging detector and detecting system.Detecting system includes：Man-machine interface, Ethernet switch, multiple product external packaging detectors and packing machine control system.Detector includes：Camera model for acquiring product image, the controller for light source module that illumination is provided for shooting product and for opening camera model and light source module when receiving trigger signal.Controller is additionally operable to receive the image that camera model is sent, and be sent to packing machine control system.The utility model is structurally simple, economical at low cost, it is easier to user's operation.
Description
Technical field
The utility model is related to product external packaging detection field, more particularly to product external packaging detector and detection system
System.
Background technology
With the increasingly quickening of automated production speed, many enterprises have been carried out automating in package production,
The needs of present packaging detection cannot have been met by being continuing with traditional detection mode.
The packaging quality of present product is increasingly paid attention to by consumer and enterprise, and the packaging quality of product is related to one
Image, the prestige of a enterprise.Meanwhile the product for having mass defect goes back to enterprise by Market Feedback, can also increase to a certain extent
Entreprise cost.It in order to ensure the packaging quality of product, is needed during product packaging by packaging external appearance detection device, to production
The packaging external appearance of product is detected.
At present, domestic packaging industry application is more widely the vision detection system of Italian G. D Co..The system is adopted
The purchase period is longer and expensive, and there are very big inconveniences in use by user.Meanwhile with the development of packing technique, packet
Dress speed is getting faster, and current detection speed also will be unable to meet detection needs.
Utility model content
In view of the foregoing deficiencies of prior art, in order to meet detection demand of the market to typical products in mass production appearance, this
Utility model provides a kind of packaging external appearance detector and detecting system, of simple structure and low cost, detection speed is high.
In order to achieve the above objects and other related objects, the utility model provides a kind of product external packaging detector, including：
Described image for acquiring the image of product to be measured, and is sent to the controller by camera model；Light source module, for for
The camera model provides illumination to the shooting of product to be measured；The controller connects the camera model and the light respectively
Source module, for opening the camera model and the light source module when receiving trigger signal, and the image of reception is outside
It sends.
In one embodiment of the utility model, the outer packing detector further includes：Man-machine interface connects the control
Device.
In one embodiment of the utility model, the controller includes：Industrial control board；Interface board connects the industrial control board, packet
It includes：Microcontroller and the industrial camera communication interface being connect respectively with the microcontroller, control circuit for light source, input signal acquisition
Circuit, output signal control circuit, power circuit and solid state disk.
In one embodiment of the utility model, the industrial control board includes：COM Express modules.
In one embodiment of the utility model, the outer packing detector further includes：The microcontroller is described for controlling
The ON/OFF of the ON/OFF of light source module and the camera model；The industrial camera communication interface is used to send out to the camera model
Send enabling signal；The control circuit for light source is used to provide constant-current source for the light source module and controls the light source module
ON/OFF；The input signal Acquisition Circuit is used to receive the trigger signal of external transmission；The output signal control circuit is used for
It is sent out the image of product to be measured；The power circuit includes direct-current power supply converting circuit, so as to which DC power supply be converted to
Working power on the interface board needed for each component part.
In one embodiment of the utility model, the camera model includes：OEM industrial cameras.
In one embodiment of the utility model, the light source module includes：Constant-flow driver, for being made because of voltage fluctuation
Into curent change compensate.
In one embodiment of the utility model, the input signal Acquisition Circuit includes：Multiple positive-negative-positive input channels and
Multiple NPN type input channels；The output signal control circuit includes：Multiple positive-negative-positive output channels and the output of multiple NPN types
Channel；Wherein, each input channel is isolated using high speed photo coupling.
In order to achieve the above objects and other related objects, the utility model provides a kind of product external packaging detecting system, packet
It includes：Man-machine interface；Ethernet switch connects the man-machine interface；Multiple product external packaging detectors as described above, respectively
Connect the Ethernet switch；Wherein, each product external packaging detector is used to detect the different outer surfaces of product to be measured；
Packing machine control system connects the controller of each product external packaging detector respectively, for receiving each controller hair
The image sent.
As described above, the product external packaging detector and detecting system of the utility model, are improving detection speed, are ensureing inspection
It is structurally simple, economical at low cost etc. while mass metering, it is expensive, inconvenient to solve vision detection system in the prior art
The problems such as use.
Description of the drawings
Fig. 1 is shown as the structure diagram of the packaging external appearance detector in one embodiment of the utility model.
Fig. 2A~2C is shown as the schematic diagram of three kinds of light source modules of the utility model use.
Fig. 3 is shown as the schematic diagram of the camera model in one embodiment of the utility model.
Fig. 4 is shown as the structure diagram of the packaging external appearance detecting system in one embodiment of the utility model.
Fig. 5 A~5C are shown as the external structure schematic diagram of the controller in one embodiment of the utility model.
Fig. 6 is shown as the internal structure schematic diagram of the controller in one embodiment of the utility model.
Specific embodiment
Illustrate the embodiment of the utility model below by way of specific specific example, those skilled in the art can be by this theory
Content disclosed by bright book understands other advantages and effect of the utility model easily.The utility model can also be by addition
Different specific embodiments are embodied or practiced, and the various details in this specification can also be based on different viewpoints with answering
With carrying out various modifications or alterations under the spirit without departing from the utility model.It should be noted that in situation about not conflicting
Under, the feature in following embodiment and embodiment can be combined with each other.
It should be noted that the diagram provided in following embodiment only illustrates the basic of the utility model in a schematic way
Conception, component count, shape when only display is with related component in the utility model rather than according to actual implementation in schema then
And size is drawn, kenel, quantity and the ratio of each component can be a kind of random change during actual implementation, and its assembly layout
Kenel may also be increasingly complex.
Referring to Fig. 1, product external packaging detector provided by the utility model is mainly by controller, light source module, camera
Module forms, and man-machine interface (HMI) is further included, for the plane domain of the packaging material to various product in packaging process
(such as：Label paper, stamp, aluminium-foil paper etc.) it is detected.Specifically：What man-machine interface (i.e. man-machine interface) was selected is that integral type is led to
Use industrial personal computer；Controller is mainly by core computer module --- and industrial control board and interface board form；Light source module is mainly by LED light
Source, outer structural parts composition, the rectangular shaped light source as shown in Fig. 2A~2C is (including being set on mounting hole 21 and the proper alignment of quadrangle
Each luminous tube 22), annular light source, strip source；Camera model is mainly made of CMOS industrial cameras, optical lens, as Fig. 3 is shown
The AV89713C shown.Light source module and camera model irradiate and shoot product to be checked at an angle, and light source module is camera
Module photograph product to be measured provides illumination, increases illumination contrast, and camera model is responsible for acquiring image and the transmission of product to be checked
To controller, which is sent to external equipment connected to it by controller.
As shown in figure 4, the packaging external appearance detecting system of the utility model by least one detector combination shown in FIG. 1 and
Into at this point, several detectors connect same man-machine interface (HMI) by Ethernet switch, each detector is allocated for point
(Jian Ce not take pictures) top, bottom, the side of product external packaging, and packing machine control system (PLC) is communicated to connect with each controller,
So as to receive the image information sent by each controller.
At this point, when packing machine control system is realized equipped with related software, can also further realize：At image
Reason technology handles the image of shooting, judges that current packaging external appearance whether there is defect, including：The plane area of packaging material
Whether domain whether complete (damaged, come off, show money or valuables one carries unintentionally, liner leakage, printed patterns are imperfect etc.), position are correct, and (packaging material is inclined
Shifting, printed patterns offset etc.), then, generate the testing result of product to be measured (such as：Damaged, offset etc.), so as to instructively pick
Except underproof packaging product.
Man-machine interface (HMI) can be used for by Ethernet switch (Ethernet Switch) and each controller communication
Display system operation information and progress parameter setting.When product (such as：Cigarette packet) reach designated position when, packing machine control system
(PLC) or be installed to product transmission machine on fibre optical sensor to each controller send TRIGGER (triggering) signal.Control
After device receives TRIGGER (triggering) signal, open LED light source and industrial camera is controlled to take pictures.
Fig. 5 A~5C show the external structure of controller, mainly include：Light source interface 1, industrial camera interface 2, ether
Network interface 3, USB interface 4, input/output signal interface 5, power interface 6 also show the finger of each I/O dotted states during work
Show lamp 7.Fig. 6 provides the internal structure chart of controller, which is mainly made of industrial control board, interface board, below will be respectively
It is illustrated.
Industrial control board
Industrial control board is used for the operation of operating system and upper computer software, and the present embodiment selects COM currently popular
Express modules.COM Express modules are the high integration computer modules based on PCI Express buses, are mounted on
On the self-designed support plate of user.COM Express modules can provide most of applications required functional interface, including：Depending on
Frequency interface, audio interface, Ethernet interface, memory interface, USB interface etc..In use, user need to only supply for special applications
The function that COM Express modules cannot provide.COM Express modules are connected by connector with interface board, are being connect
Interfaces, other unwanted interfaces such as USB, the Ethernet that oralia on extraction system needs can not process, and show product
It obtains compacter.Since COM Express modules employ professional standard, the module that each supplier provides can be mutually simultaneous
Hold, following HardwareUpgring only needs to realize by simply replacing COM Express modules, greatly reduces the liter of hardware
Grade cost.
Interface board
Interface board is used for the peripheral expansion of industrial control board, mainly includes：Microcontroller, industrial camera communication interface, light source control
Circuit, input signal Acquisition Circuit, output signal control circuit, power circuit (not shown), solid state disk (not shown) etc..Tool
Body：Microcontroller is responsible for controlling light source is opened and industrial camera exposes etc.；Input signal Acquisition Circuit is used to receive packing machine control
The TRIGGER signals that system (PLC) processed sends；Output signal control circuit is used to send to packing machine control system (PLC)
The image of acquisition；Control circuit for light source is used to provide constant-current source for LED light source and controls the open and close of light source, in order to ensure
The stability of light source only just opens light source when system is taken pictures, and other time will close light source；Power circuit include+12V ,+
+ 24V DC power supplies are converted to the work such as COM Express modules, industrial camera institute by 5V ,+3.3V direct-current power supply converting circuit
The power supply needed.
For industrial camera communication interface circuit, the industrial camera that the present embodiment uses supports external shutter trigger signal,
Ensure that triggering level continues more than 100us.High speed photo coupling ACPL-072L, working power compatibility 3.3V will be used in design
And 5V, speed 25MBd.
Image device of the sensor as industrial camera decides the quality and performance indicator of image very importantly.Figure
As sensor is broadly divided into two kinds of CCD (charge coupling device) and CMOS (complementary metal oxide semiconductor), two kinds of sensors
Although belonging to different technologies, all for converting optical signals into charge, and be processed into analog signal output, turned by A/D
Parallel operation capture images in digital form.Ccd image sensor, which has, reads noise is low, dynamic range is big, response sensitivity is high etc.
Advantage, but CCD technologies are difficult to be integrated among same chip with the CMOS technology of mainstream.In this way, such as timing generates, driving is put
Greatly, the support circuits such as analog-to-digital conversion and signal processing cannot be integrated in pel array within same chip, based on CCD
Imaging sensor be difficult to realize monolithic integration, thus have the shortcomings that the big power consumption of volume is high.Cmos image sensor due to
CMOS technology is employed, the peripheral support circuits such as pel array and timing generation, analog-to-digital conversion can be integrated in same chip
Among.Cmos image sensor is a more complete picture system, is generally included：One imaging sensor core, it is single when
Clock, all sequential logics, programmable functions and analog-digital converter.Compared with ccd image sensor, CMOS imaging sensors
It is small, low in energy consumption, easily controllable since the whole image system integration in a chip, being had many advantages, such as.By to this
The advantage and disadvantage of two kinds of sensors compare and analyze, and cmos image sensor is the first choice of the utility model.
The USB interface CMOS industrial cameras of the present embodiment selection standard, camera producer provide camera USB device driver and
Camera operation function library, user only needs to install driver and camera operation function library can be by calling ready-made function
The simple various operations realized to camera, such as：Resolution ratio setting, aperture time setting, white balance setting etc..Standard industry
Camera has been subjected to large quantities of uses, and hardware and software all have higher reliability.
Since the USB interface industrial camera of standard is all by communication cable and trigger signal electrical cables separate, camera and control
It needs to connect two cables between device, when in-site installation is comparatively laborious.In order to improve in-site installation efficiency, the present embodiment is selected once
Used OEM cameras, are packaged it in multiple products, and communication cable and trigger signal circuit are merged into same electricity
Cable.
For control circuit for light source, light source is the important leverage that whole system performance is stablized, and in an appropriate manner will be responsible for
Light is projected in detection target, detection clarification of objective amount part prominent as much as possible, makes part that needs detect and those
Apparent difference should be generated between inessential part as much as possible, increases enough contrasts.Scene to extend LED light source makes
With the service life, while light source fever is reduced, the present embodiment uses strobe light emission control mode.During using which, to LED light source wink
Between stability requirement it is very high, therefore, system use LED constant-current driver, to compensate the curent change caused by voltage fluctuation, from
And ensure the stability that LED light source moment shines.In addition, size of current is adjustable, user can need to set LED light source according to scene
Electric current.
In order to ensure LED light source can steady operation, this system use constant-current source for LED light source power, it is preferred that use
The electric current source chip LT3086 that Linear companies release.The size of LT3086 chip output currents is controlled by microcontroller.
For input signal Acquisition Circuit, the packing machine control system (PLC) of the present embodiment includes positive-negative-positive and NPN type two
The output signal of type, in order to adapt to the different type output signal of packing machine control system (PLC), this system includes respectively
8 road positive-negative-positive input channels and 6 tunnel NPN type input channels.Meanwhile for the antijamming capability for improving system, this system owns
Input channel is isolated using high speed photo coupling.Preferably, input signal Acquisition Circuit uses HCPL-063L dual channel high speeds
Opto-coupler chip, speed 15MBd.
For output signal control circuit, the packing machine control system (PLC) of the present embodiment includes positive-negative-positive and NPN type two
The input signal of type, in order to adapt to the different type input signal of packing machine control system (PLC), this system includes respectively
10 road positive-negative-positive output channels and 4 tunnel NPN type output channels.
Preferably, the 10 road positive-negative-positive output channels of this system select BSP742R smart power switch.BSP742R is that English flies
The flash smart power switch that Ling companies release has overload protection, current limit, short-circuit protection, overvoltage protection, output open circuit
The functions such as diagnosis.The operating voltage of BSP742R is 5V~34V, maximum output current 0.4A.
Preferably, the 4 tunnel NPN type output channels of this system select BTS3408G chips.BTS3408G chips are Infineon
There is the low side smart power switch that company releases overload protection, current limit, short-circuit protection, overvoltage protection, output open circuit to examine
The functions such as disconnected.Operating voltage is 4.5V~60V, maximum output current 0.5A.
For power module, power module is responsible for the DC power supply needed for entire detecting system offer work, main to wrap
It includes：Four kinds of power supplys of+3.3V ,+5V ,+12V ,+24V.+ 3.3V is mainly that the integrated circuits such as the microcontroller on interface board provide electricity
Source ,+5V are mainly industrial camera power supply, and+12V power supplys are mainly industrial control board power supply, and+24V power supplys predominantly input, output letter
The power supply of number circuit.Consider various aspects factor, we select the LTM8025 switch power modules that Linear is produced, the switch
Power module has wide range input voltage, and range is between 3.6V-36V, and monolithic can export the up to electric current of 3A.
For solid hard disk interface, solid state disk is mainly made of control unit and storage unit, is exactly briefly with solid
State electronic store chip array and manufactured hard disk.On the interface specification and definition of solid state disk, function and application method with it is general
Logical hard disk is identical, also consistent with common hard disc in product design and size.Due to solid state disk technology and conventional hard technology
Difference has many advantages, such as that read or write speed is fast, shock resistance is strong, noiseless, light-weight compared with conventional hard.Preferably, this system
Select the small solid hard disk of SATA interfaces.
In order to realize man-machine interface and the communication of controller and microcontroller and industrial control board, man-machine interface is used with controller
Ethernet is communicated, and microcontroller uses USART serial communications with industrial control board.Image is sent to people by controller by Ethernet
Machine interface, and man-machine interface instruction can be received by Ethernet, perform relevant operation.Microcontroller primary recipient industrial control board is to light
Source carries out the control command of working condition with camera.
In conclusion the product external packaging detector and detecting system of the utility model, effectively overcome in the prior art
Various shortcoming and have high industrial utilization.
The above embodiments are only illustrative of the principle and efficacy of the utility model, new not for this practicality is limited
Type.Any person skilled in the art can all carry out above-described embodiment under the spirit and scope without prejudice to the utility model
Modifications and changes.Therefore, such as those of ordinary skill in the art without departing from the revealed essence of the utility model
All equivalent modifications completed under refreshing and technological thought or change, should be covered by the claim of the utility model.
Claims (8)
1. a kind of product external packaging detector, which is characterized in that including：
Described image for acquiring the image of product to be measured, and is sent to controller by camera model；
Light source module, for providing illumination to the shooting of product to be measured for the camera model；
Controller connects the camera model and the light source module respectively, for opening the phase when receiving trigger signal
Machine module and the light source module, and the image of reception is sent out；Wherein, the controller includes：
Industrial control board；
Interface board connects the industrial control board, including：Microcontroller and the industrial camera communication being connect respectively with the microcontroller connect
Mouth, control circuit for light source, input signal Acquisition Circuit, output signal control circuit, power circuit and solid state disk.
2. product external packaging detector according to claim 1, which is characterized in that further include：Man-machine interface, described in connection
Controller.
3. product external packaging detector according to claim 1, which is characterized in that the industrial control board includes：COM
Express modules.
4. product external packaging detector according to claim 1, which is characterized in that further include：
The microcontroller is used to control the ON/OFF of the light source module and the ON/OFF of the camera model；
The industrial camera communication interface is used to send enabling signal to the camera model；
The control circuit for light source is used to provide constant-current source for the light source module and controls the ON/OFF of the light source module；
The input signal Acquisition Circuit is used to receive the trigger signal of external transmission；
The output signal control circuit is used to be sent out the image of product to be measured；
The power circuit includes direct-current power supply converting circuit, so as to which DC power supply is converted to each composition portion on the interface board
Divide required working power.
5. product external packaging detector according to claim 1, which is characterized in that the camera model includes：OEM industry
Camera.
6. product external packaging detector according to claim 1, which is characterized in that the light source module includes：Constant current is driven
Dynamic device, for caused by voltage fluctuation curent change compensate.
7. product external packaging detector according to claim 1, which is characterized in that the input signal Acquisition Circuit packet
It includes：Multiple positive-negative-positive input channels and multiple NPN type input channels；The output signal control circuit includes：Multiple positive-negative-positives are defeated
Go out channel and multiple NPN type output channels；Wherein, each input channel is isolated using high speed photo coupling.
8. a kind of product external packaging detecting system, which is characterized in that including：
Man-machine interface；
Ethernet switch connects the man-machine interface；
Multiple product external packaging detectors as described in claim 1, connect the Ethernet switch respectively；Wherein, each institute
Product external packaging detector is stated for detecting the different outer surfaces of product to be measured；
Packing machine control system connects the controller of each product external packaging detector respectively, for receiving each control
The image that device is sent.
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| CN201720800406.7U CN207482324U (en) | 2017-07-04 | 2017-07-04 | Product external packaging detector and detecting system |
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| CN201720800406.7U CN207482324U (en) | 2017-07-04 | 2017-07-04 | Product external packaging detector and detecting system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109557109A (en) * | 2018-12-29 | 2019-04-02 | 中国肉类食品综合研究中心 | Freeze the detection method and device of meat packed state |
-
2017
- 2017-07-04 CN CN201720800406.7U patent/CN207482324U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109557109A (en) * | 2018-12-29 | 2019-04-02 | 中国肉类食品综合研究中心 | Freeze the detection method and device of meat packed state |
| CN109557109B (en) * | 2018-12-29 | 2021-07-30 | 中国肉类食品综合研究中心 | Method and device for detecting packaging state of frozen meat |
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