CN206946291U - A kind of integral control circuit and vehicle identification system - Google Patents
A kind of integral control circuit and vehicle identification system Download PDFInfo
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- CN206946291U CN206946291U CN201720926041.2U CN201720926041U CN206946291U CN 206946291 U CN206946291 U CN 206946291U CN 201720926041 U CN201720926041 U CN 201720926041U CN 206946291 U CN206946291 U CN 206946291U
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Abstract
A kind of integral control circuit and vehicle identification system are the utility model is related to, belongs to vehicle recongnition technique field.The integral control circuit, applied to vehicle identification system, the integral control circuit, including：Pcb board and the image collecting device being integrated on the pcb board and control module, described image harvester and control module coupling.Described image harvester is used to be acquired target vehicle information, and the target vehicle information of collection is sent into the control module.The control module is used to handle the target vehicle information, to identify the license board information of the target vehicle.The integral control circuit not only reduces volume due to image collecting device and control module are integrated on one piece of pcb board, and is easily installed debugging, improves the stability of system, ensure that the accuracy of vehicle identification, reduce cost.
Description
Technical field
The utility model belongs to vehicle recongnition technique field, and in particular to a kind of integral control circuit and vehicle identification system
System.
Background technology
With industrial or agricultural and the development of science and technology, the continuous improvement of living standards of the people, miscellaneous vehicle is more and more,
While bringing convenient, very big challenge also is proposed to management, it is effective for how effectively vehicle being identified
The premise of management and guarantee.External camera equipment is used in existing Vehicle License Plate Recognition System, passes through the connection of the types such as HDMI
The information of vehicles that the camera device captures is delivered to the main control computer of Vehicle License Plate Recognition System by line, then by main control computer to receiving
Information of vehicles handled to reach the purpose of Car license recognition.Because external camera device volume is larger, and installing
During need to adjust the angle of camera device and main control computer respectively, not only brought to construction compared with burden, but also drop
The low stability of system.Therefore, a kind of new Vehicle License Plate Recognition System is needed badly to replace, and it is preferably adapted to market and management
Demand.
Utility model content
In consideration of it, the purpose of this utility model is to provide a kind of integral control circuit and vehicle identification system, with effective
Ground improves above mentioned problem.
What embodiment of the present utility model was realized in：
The utility model embodiment provides a kind of integral control circuit, applied to vehicle identification system, the integrated control
Circuit processed, including：Pcb board and the image collecting device being integrated on the pcb board and control module, described image harvester
Coupled with the control module.Described image harvester is used to be acquired target vehicle information, and by described in collection
Target vehicle information is sent to the control module.The control module is used to handle the target vehicle information, with
Identify the license board information of the target vehicle.
In the utility model preferred embodiment, described image harvester includes：Lens assembly and imaging sensor,
The lens assembly couples with described image sensor, and described image sensor couples with the control module, the lens group
Part is used to take pictures to target vehicle, and the image information that described image sensor is used to capture the lens assembly is changed
Exported into digital information to the control module.
In the utility model preferred embodiment, described image sensor is ccd sensor.
In the utility model preferred embodiment, described image sensor is cmos sensor.
In the utility model preferred embodiment, the integral control circuit also includes：It is integrated on the pcb board
Power transfer module, the power transfer module couple with described image harvester and the control module respectively, the electricity
Source modular converter is used to being converted to dc source into the power supply needed for described image harvester and the control module.
In the utility model preferred embodiment, stating power transfer module includes：Decoupling circuit and power supply changeover device, institute
Stating decoupling circuit includes：First electric capacity and the second electric capacity, first electric capacity and second electric capacity are in parallel, first electric capacity
One end be connected with the input of the source converter, the other end of first electric capacity ground connection.
In the utility model preferred embodiment, the power transfer module also includes：Filter circuit, the filtered electrical
Road is connected with the output end of the power supply changeover device.
In the utility model preferred embodiment, the filter circuit is LC filter circuits.
In the utility model preferred embodiment, the LC filter circuits include：First inductance and the 3rd electric capacity, it is described
One end of first inductance is connected with the output end of the power supply changeover device, and the other end of first inductance is through the 3rd electric capacity
Ground connection.
The utility model embodiment additionally provides a kind of vehicle identification system, including：Control terminal, communication module and above-mentioned
Integral control circuit, the control terminal passes through the control module coupling in the communication module and the integral control circuit
Close.
The utility model embodiment provides a kind of integral control circuit and vehicle identification system, compared with prior art,
The integral control circuit not only reduces volume due to image collecting device and control module are integrated on one piece of pcb board, and
And debugging is easily installed, the stability of system is improved, the accuracy of vehicle identification is ensure that, reduces cost.Further, since
Make it that the application environment of the integral control circuit is more flexible in integrated level and the advantage of miniaturization etc., practicality is stronger,
Convenience is good, can well adapt to the demand of market and management.
Other feature and advantage of the present utility model will illustrate in subsequent specification, also, partly from specification
Become apparent, or understood by implementing the utility model embodiment.The purpose of this utility model and other advantages can
Realize and obtain by specifically noted structure in the specification, claims and accompanying drawing write.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
In the required accompanying drawing used be briefly described, it should be apparent that, drawings in the following description are only of the present utility model
Some embodiments, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to this
A little accompanying drawings obtain other accompanying drawings.By shown in accompanying drawing, above and other purpose of the present utility model, feature and advantage will more
Clearly.The identical reference instruction identical part in whole accompanying drawings.Do not painted by actual size equal proportion scaling deliberately
Accompanying drawing processed, it is preferred that emphasis is show purport of the present utility model.
Fig. 1 shows a kind of structural representation for integral control circuit that the utility model embodiment provides.
Fig. 2 shows the circuit theory diagrams for the imaging sensor that the utility model embodiment provides.
Fig. 3 shows the circuit theory diagrams for the power transfer module that the utility model embodiment provides.
Fig. 4 shows a kind of structured flowchart for vehicle identification system that the utility model embodiment provides.
Icon：10- integral control circuits；11-PCB plates；12- image collecting devices；121- lens assemblies；122-
Imaging sensor；13- control modules；14- power transfer modules；141- power supply changeover devices；142- decoupling circuits；143-
Filter circuit；20- vehicle identification systems；21- controls terminal；22- communication modules.
Embodiment
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer
Accompanying drawing in type embodiment, the technical scheme in the embodiment of the utility model is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model part of the embodiment, rather than whole embodiments.Generally here described in accompanying drawing and
The component of the utility model embodiment shown can be configured to arrange and design with a variety of.
Therefore, the detailed description of the embodiment of the present utility model to providing in the accompanying drawings is not intended to limit requirement below
The scope of the utility model of protection, but it is merely representative of selected embodiment of the present utility model.Based in the utility model
Embodiment, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, all
Belong to the scope of the utility model protection.
It should be noted that：Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined, then it further need not be defined and explained in subsequent accompanying drawing in individual accompanying drawing.
, it is necessary to explanation in description of the present utility model, term " " center ", " on ", " under ", it is "left", "right", " perpendicular
Directly ", the orientation of the instruction such as " level ", " interior ", " outer " or position relationship be based on orientation shown in the drawings or position relationship, or
The utility model product using when the orientation usually put or position relationship, be for only for ease of description the utility model and letter
Change description, rather than instruction or imply signified device or element must have specific orientation, with specific azimuth configuration and
Operation, therefore it is not intended that to limitation of the present utility model.In addition, term " first ", " second ", " the 3rd " etc. are only used for area
Divide description, and it is not intended that instruction or hint relative importance.
In addition, the term such as term " level ", " vertical " is not offered as requiring part abswolute level or pendency, but can be slightly
Low dip.Such as " level " only refers to that its direction is more horizontal with respect to for " vertical ", is not to represent that the structure must be complete
It is complete horizontal, but can be slightly tilted.
In description of the present utility model, it is also necessary to which explanation, unless otherwise clearly defined and limited, term " are set
Put ", " installation ", " connected ", " connection ", " coupling " should be interpreted broadly, for example, it may be being fixedly connected or removable
Connection is unloaded, or is integrally connected；Can be mechanical connection or electrical connection；Can be joined directly together, can also be in
Between medium be indirectly connected, can be the connection of two element internals.For the ordinary skill in the art, can be specific
Situation understands concrete meaning of the above-mentioned term in the utility model.
The utility model embodiment provides a kind of integral control circuit 10, as shown in Figure 1.The integral control circuit 10 wraps
Include：Pcb board 11, the image collecting device 12 being integrated on the pcb board 11, control module 13 and power transfer module 14.Institute
State image collecting device 12 and the control module 13 couple, the power transfer module 14 respectively with described image harvester
12 and the control module 13 couple.
Image collecting device 12, control module 13 and power transfer module 14 are integrated with the pcb board 11, or changes sentence
Talk about, the image collecting device 12, control module 13 and power transfer module 14 are mounted on the pcb board 11.The present embodiment
In, it is preferable that the image collecting device 12, control module 13 and power transfer module 14 are mounted on the same of the pcb board 11
Side.
Described image harvester 12 is used to be acquired target vehicle information, and the target vehicle of collection is believed
Breath is sent to the control module 13.In the present embodiment, it is preferable that the image collecting device 12 includes：Lens assembly 121 and figure
As sensor 122.
The lens assembly 121 couples with described image sensor 122, and the lens assembly 121 is used for target vehicle
Taken pictures.The lens assembly 121 can be the camera commonly used on the market at present.
The lens assembly 121 can be vertically arranged on the pcb board 11, i.e., the lens assembly 121 hangs down with the pcb board 11
Directly.For the ease of installation, a groove can be set on the PCB, one end (one end away from camera lens) of the lens assembly 121 is placed in
In the groove.Wherein, the fixed form of the lens assembly 121 and the pcb board 11 has a variety of, for example, lens assembly 121 can be
It is fixed on the pcb board 11 by the mode such as welding, bond or is fixed on for example, by middlewares such as screw, Liu Ding
On the pcb board 11, also or other fixed forms are used, be not limited thereto.
Wherein, it should be appreciated that above-mentioned right angle setting, be not the right angle setting of absolute sense, i.e., might not
It is required that its angle is 90 degree, certain gradient is allowed for, as long as level, it is more vertical.
Described image sensor 122 couples with the control module 13, and the imaging sensor 122 is used for the lens group
The image information that part 121 captures is converted into digital information and exported to the control module 13.The imaging sensor 122 can be
It is a kind of with traditional chip technology method by light-sensitive element, amplifier, A/D converter, memory, digital signal processor, meter
Calculation machine interface circuit etc. is integrated in the senser element on one piece of silicon chip.For example, the imaging sensor 122 can be ccd sensor,
It can also be cmos sensor etc..In the present embodiment, only illustrated by taking cmos sensor as an example.The cmos sensor passes through number
The information of vehicles captured is transferred into control module 13 according to bus (series analog memory signal or parallel digital signal) to be handled,
To reach the purpose of Car license recognition.Specifically, as shown in figure 3, the DOUT0 of the sensor to DOUT11 pins and control module
13 connections, PIX_CLK pins, FV pins, LV pins, STROBE pins, TRIGGER pins are connected with control module 13.Its
Middle DOUT0 is connected to DOUT11 pins by data/address bus with control module 13.
The control module 13 is coupled with described image harvester 12, and further, the control module 13 is adopted with image
Imaging sensor 122 in acquisition means 12 couples, such as is coupled with cmos sensor.The control module 13 is used for the mesh
Mark information of vehicles is handled, to identify the license board information of the target vehicle.Further, the control module 13 be used for pair
Target vehicle information of the cmos sensor through data bus transmission is handled, to identify the license board information of the target vehicle.
Wherein, the control module 13 can be a kind of IC chip, have the disposal ability of signal.Above-mentioned control
Molding block 13 can be general processor, including central processing unit (Central Processing Unit, CPU), network processes
Device (Network Processor, NP) etc.；Can also be digital signal processor (Digital Signal Processing,
DSP), application specific integrated circuit (Application Specific Integrated Circuit, ASIC), ready-made programmable gate
Array (Field Programmable Gate Array, FPGA) either other PLDs, discrete gate or crystal
Pipe logical device, discrete hardware components.General processor can be microprocessor or the control module 13 can also be any
Conventional processor etc..In the present embodiment, it is preferable that the control module 13 can be the processor of STM32 series, such as
The models such as STM32F103C8T6, STM32F103VET6.
The power transfer module 14 couples with described image harvester 12 and the control module 13 respectively, the electricity
Source modular converter 14 is used to being converted to dc source into the power supply needed for described image harvester 12 and the control module 13
Powered for it, so that image collecting device 12 and the normal work of control module 13.In the present embodiment, it is preferable that as shown in figure 3,
The power transfer module 14 includes：Power supply changeover device 141, decoupling circuit 142 and filter circuit 143.
The power supply changeover device 141 is used to dc source being converted to described image harvester 12 and the control module
Power supply needed for 13 is powered for it.The input of the power supply changeover device 141 is used to be connected with external dc power, the Power convert
The output end of device 141 is connected with the power end of image collecting device 12 and the power end of control module 13 respectively.The Power convert
Device 141 can be the electronic circuit or component that possess voltage stabilizing buck functionality often used at present.In the present embodiment, it is preferable that
The power supply changeover device 141 includes：RT/CLK pins, GND pin, PVIN pins, VIN pins, VSENSE pins, COMP pins,
SS/TR pins, EN pins, PH pins, BOOT pins, PWRGD pins etc..The RT/CLK pins are grounded through first resistor R1, GND
Pin is grounded, including GND1 pins and GND2 pins.PVIN pins and VIN pins are connected with decoupling circuit 142, wherein
PVIN pins include PVIN1 pins and PVIN2 pins.VSENSE pins are grounded through the 7th resistance R7, and VSENSE pins are also in addition
It is connected through the 6th resistance with the other end of the first inductance L1 in filter circuit 143.PWRGD pins are through second resistance R2 and power supply
Connection, for example, being connected with+5V power supply.BOOT pins through the first inductance L1 in the 4th electric capacity C4 and filter circuit 143 one
End connection.PH pins include PH1 pins and PH2 pins, PH1 pins and PH2 pins with the first inductance in filter circuit 143
L1 one end connection.EN pins are connected through the 4th resistance R4 with power supply, for example, being connected with+5V power supply, in addition, EN pins are also
It is grounded through the 5th resistance R5.SS/TR pins are grounded through the 6th electric capacity C6, the electricity of 3rd resistor R3 and the 5th that COMP pins are concatenated
Hold C5 ground connection.
The decoupling circuit 142 is used to filter out the clutter in external dc power, to improve the stability of input power.It is excellent
Selection of land, the decoupling circuit 142 include：First electric capacity C1 and the second electric capacity C2, the first electric capacity C1 and second electric capacity
C2 is in parallel, and one end of the first electric capacity C1 is connected with the input of the source converter, the other end of the first electric capacity C1
Ground connection.In addition, when external dc power works and exported, the first electric capacity C1 and the second electric capacity C2 chargings, external dc power
When not working, the first electric capacity C1 and the second electric capacity C2 discharge, and can further extend the run time of system.
The filter circuit 143 is connected with the output end of the power supply changeover device 141, for filtering out in output voltage signal
The redundant signals such as clutter, improve the stability of output voltage.The filter circuit 143 can be at present often use possess filtering
The electronic circuit or component of function.For example, it may be RC filter circuits 143 or LC filter circuits 143 etc..This reality
Apply in example, it is preferable that the filter circuit 143 is LC filter circuits 143.It is further preferred that the LC filter circuits 143 include：
First inductance L1 and the 3rd electric capacity C3.One end of the first inductance L1 is connected with the output end of the power supply changeover device 141, institute
The other end for stating the first inductance L1 is grounded through the 3rd electric capacity C3.
The utility model embodiment additionally provides a kind of vehicle identification system 20, as shown in Figure 4.The vehicle identification system 20
Including：Communication module 22 and control terminal 21 and above-mentioned integral control circuit 10.
The control terminal 21 passes through the coupling of control module 13 in the communication module 22 and the integral control circuit 10
Close.The control terminal 21 is communicated by the communication module 22 with integral control circuit 10.The control terminal 21 is included but not
It is limited to：Mobile phone, computer etc..
The data terminal of the communication module 22 couples with the data terminal of the control module 13, on the one hand, the communication module 22
For the diagnosis of the integral control circuit 10, debugging, software upgrading, program renewal etc.；On the other hand, the communication module 22 is used for
The information of vehicles obtained after control module 13 is handled is sent to control terminal 21, in order to which user controls terminal by consulting
Data message on 21, the testing result and running status of current device just can be monitored in real time, so as to help user to make conjunction
The arrangement of reason.The communication module 22 can be serial communication modular or wireless communication module, can also be and meanwhile including
Serial communication modular and wireless communication module.
When communication module 22 is serial communication modular, the serial communication modular is connected by order wire and control terminal 21
Connect, such as be connected by RS-485 buses with control terminal 21.
When communication module 22 is wireless communication module, the wireless communication module can be WiFi module, ZigBee module,
3G module, 4G modules, or other meet the wireless transport module of condition.In the present embodiment, it is preferable that the communication module
22 can be 3G module, for example, it may be the 3G module of the model such as FWP103, K3G, WM9881.For example, work as the communication module 22
During from FWP103 chips, its data terminal can be UART_TX the and UART_RX pins of FWP103 chips.Can be now
It is connected with PB2 the and PB3 pins of control module 13.
In summary, the utility model embodiment provides a kind of integral control circuit and vehicle identification system.This is integrated
Control circuit includes：Pcb board and image collecting device, control module and the power transfer module being integrated on the pcb board.Image
Harvester couples with control module, and power transfer module couples with image collecting device and control module respectively.Wherein, it is described
Image collecting device is used to be acquired target vehicle information, and the target vehicle information of collection is sent into the control
Molding block.The control module is used to handle the target vehicle information, to identify that the car plate of the target vehicle is believed
Breath.The power transfer module is used to be converted to external dc power needed for described image harvester and the control module
Power supply be its power supply.Compared with prior art, the integral control circuit is due to by image collecting device, control module and power supply
Modular converter is integrated on one piece of pcb board, not only reduces volume, and is easily installed debugging, improves the stability of system,
The accuracy of vehicle identification is ensure that, reduces cost.Further, since cause this in integrated level and the advantage of miniaturization etc.
The application environment of integral control circuit is more flexible, and practicality is stronger, and convenience is good, can well adapt to the need of market and management
Ask.
Preferred embodiment of the present utility model is the foregoing is only, is not limited to the utility model, for this
For the technical staff in field, the utility model can have various modifications and variations.It is all in the spirit and principles of the utility model
Within, any modification, equivalent substitution and improvements made etc., it should be included within the scope of protection of the utility model.
Claims (10)
- A kind of 1. integral control circuit, it is characterised in that applied to vehicle identification system, the integral control circuit, including： Pcb board and the image collecting device and control module, described image harvester and the control mould being integrated on the pcb board Block couples；Described image harvester is used to be acquired target vehicle information, and the target vehicle information of collection is sent To the control module；The control module is used to handle the target vehicle information, to identify the license board information of the target vehicle.
- 2. integral control circuit according to claim 1, it is characterised in that described image harvester includes：Lens group Part and imaging sensor, the lens assembly couple with described image sensor, described image sensor and the control module Coupling, the lens assembly are used to take pictures to target vehicle, and described image sensor is used to capture the lens assembly To image information be converted into digital information and export to the control module.
- 3. integral control circuit according to claim 2, it is characterised in that described image sensor is ccd sensor.
- 4. integral control circuit according to claim 2, it is characterised in that described image sensor is cmos sensor.
- 5. according to the integral control circuit described in claim 1-4 any one, it is characterised in that the integral control circuit Also include：The power transfer module being integrated on the pcb board, the power transfer module respectively with described image harvester Coupled with the control module, the power transfer module is used to dc source being converted to described image harvester and described Power supply needed for control module.
- 6. integral control circuit according to claim 5, it is characterised in that the power transfer module includes：Decoupling electricity Road and power supply changeover device, the decoupling circuit include：First electric capacity and the second electric capacity, first electric capacity and second electric capacity Parallel connection, one end of first electric capacity are connected with the input of the source converter, the other end ground connection of first electric capacity.
- 7. integral control circuit according to claim 6, it is characterised in that the power transfer module also includes：Filtering Circuit, the filter circuit are connected with the output end of the power supply changeover device.
- 8. integral control circuit according to claim 7, it is characterised in that the filter circuit is LC filter circuits.
- 9. integral control circuit according to claim 8, it is characterised in that the LC filter circuits include：First inductance With the 3rd electric capacity, one end of first inductance is connected with the output end of the power supply changeover device, first inductance it is another End is through the 3rd capacity earth.
- A kind of 10. vehicle identification system, it is characterised in that including：Control terminal, communication module and as claim 1-9 is any Integral control circuit described in one, the control terminal pass through the control in the communication module and the integral control circuit Module couples.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720926041.2U CN206946291U (en) | 2017-07-27 | 2017-07-27 | A kind of integral control circuit and vehicle identification system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720926041.2U CN206946291U (en) | 2017-07-27 | 2017-07-27 | A kind of integral control circuit and vehicle identification system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206946291U true CN206946291U (en) | 2018-01-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720926041.2U Expired - Fee Related CN206946291U (en) | 2017-07-27 | 2017-07-27 | A kind of integral control circuit and vehicle identification system |
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| CN (1) | CN206946291U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108171991A (en) * | 2018-02-09 | 2018-06-15 | 武汉市技领科技有限公司 | A kind of identification controller and Vehicle License Plate Recognition System |
| CN108259847A (en) * | 2018-04-04 | 2018-07-06 | 武汉市技领科技有限公司 | Its net monitoring device and method |
-
2017
- 2017-07-27 CN CN201720926041.2U patent/CN206946291U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108171991A (en) * | 2018-02-09 | 2018-06-15 | 武汉市技领科技有限公司 | A kind of identification controller and Vehicle License Plate Recognition System |
| CN108259847A (en) * | 2018-04-04 | 2018-07-06 | 武汉市技领科技有限公司 | Its net monitoring device and method |
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