CN206564652U - Industrial camera - Google Patents
Industrial camera Download PDFInfo
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- CN206564652U CN206564652U CN201720132421.9U CN201720132421U CN206564652U CN 206564652 U CN206564652 U CN 206564652U CN 201720132421 U CN201720132421 U CN 201720132421U CN 206564652 U CN206564652 U CN 206564652U
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- semiconductor
- industrial camera
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Abstract
The utility model discloses a kind of industrial camera, including image acquisition board, AFE plates, master control borad and power panel, power panel includes USB interface and power supply module, power supply module includes first resistor to the 5th resistance, first electric capacity, second electric capacity, triode, metal-oxide-semiconductor, first diode and the second voltage-stabiliser tube, the base stage of triode is connected with one end of first resistor and one end of second resistance respectively by the 5th resistance, the other end connection dc source of first resistor, the other end of second resistance passes through the first capacity earth, the emitter stage of triode is connected with the negative electrode of the first diode, the anode of first diode is connected with dc source, negative pole of the colelctor electrode of triode by 3rd resistor respectively with the second voltage-stabiliser tube, one end of 4th resistance and one end connection of the second electric capacity, the other end of second electric capacity and the grid of metal-oxide-semiconductor are connected.The utility model has circuit protection function, using safer.
Description
Technical field
The utility model is related to field of photography, more particularly to a kind of industrial camera.
Background technology
Development with society and the dependency degree more and more higher to image technique, various cameras melt more and more
Enter into the production and life of people, be connected eaily advantage with existing computer because industrial camera is present so that industry
Camera is able to largely use.Industrial camera is a key component in NI Vision Builder for Automated Inspection, and its most essential function is exactly will
Optical signal is transformed into orderly electric signal.It is also the important step in Machine Vision System Design, camera to select suitable camera
Selection not only directly determine collected image resolution ratio, picture quality etc., while the also operational mode with whole system
It is directly related.The power pack of traditional industry camera is due in the absence of safety protection function, using dangerous.
Utility model content
The technical problems to be solved in the utility model is, there is provided one kind has electricity for the drawbacks described above of prior art
Road defencive function, use safer industrial camera.
The utility model solves the technical scheme that its technical problem used:Construct a kind of industrial camera, including image
Collection plate, AFE plates, master control borad and power panel, described image collection plate transmit the analog picture signal collected to the AFE
The analog picture signal is converted to the first data image signal and transmitted to the master control borad, the electricity by plate, the AFE plates
Source plate includes USB interface and power supply module, and the master control borad includes SDRAM, FPGA and USB control chip, the SDRAM and institute
State FPGA connections, for caching first data image signal, first data image signal is processed into by the FPGA
Second data image signal, and second data image signal is sent to the USB control chips, the USB controls core
Second data image signal is transferred to outer PC by piece by the USB interface, the power supply module respectively with it is described
USB interface, image acquisition board, AFE plates and master control borad are connected, for powering;
The power supply module includes first resistor, second resistance, 3rd resistor, the 4th resistance, the 5th resistance, the first electricity
Appearance, the second electric capacity, triode, metal-oxide-semiconductor, the first diode and the second voltage-stabiliser tube, the base stage of the triode pass through the described 5th
Resistance is connected with one end of the first resistor and one end of second resistance respectively, the other end connection direct current of the first resistor
Power supply, the other end of the second resistance passes through first capacity earth, the emitter stage of the triode and the described 1st
The negative electrode connection of pole pipe, the anode of first diode is connected with the dc source, and the colelctor electrode of the triode passes through
The 3rd resistor is connected with the negative pole of second voltage-stabiliser tube, one end of the 4th resistance and one end of the second electric capacity respectively, institute
The other end for stating the second electric capacity is connected with the grid of the metal-oxide-semiconductor, positive pole, the other end of the 4th resistance of second voltage-stabiliser tube
With the source grounding of metal-oxide-semiconductor, the drain electrode connection signal output part of the metal-oxide-semiconductor.
In industrial camera described in the utility model, the power supply module also includes the 6th resistance, the 6th resistance
One end be connected with the dc source, the other end of the 6th resistance is connected with the anode of first diode.
In industrial camera described in the utility model, the power supply module also includes the 7th resistance, the source of the metal-oxide-semiconductor
Pole passes through the 7th resistance eutral grounding.
In industrial camera described in the utility model, the power supply module also includes the 8th resistance, the leakage of the metal-oxide-semiconductor
Pole connects the signal output part by the 8th resistance.
In industrial camera described in the utility model, the triode is PNP type triode, and the metal-oxide-semiconductor is N-channel
Metal-oxide-semiconductor.
In industrial camera described in the utility model, the USB interface is USB3.0 interfaces or USB2.0 interfaces.
In industrial camera described in the utility model, the AFE plates include drive circuit and analog to digital conversion circuit, described
One end of drive circuit is connected with described image collection plate, and the other end of the drive circuit is connected with the FPGA, the mould
One end of number change-over circuit is connected with described image collection plate, and the other end of analog-digital conversion circuit as described is connected with the FPGA.
Implement industrial camera of the present utility model, have the advantages that:Due to provided with image acquisition board, AFE plates, master
Plate and power panel are controlled, power supply module includes first resistor, second resistance, 3rd resistor, the 4th resistance, the 5th resistance, the first electricity
Appearance, the second electric capacity, triode, metal-oxide-semiconductor, the first diode and the second voltage-stabiliser tube, the 5th resistance are used for current-limiting protection, the second electric capacity
For preventing the interference between triode and metal-oxide-semiconductor, therefore it has circuit protection function, using safer.
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
Or the accompanying drawing used required in description of the prior art is briefly described, it should be apparent that, drawings in the following description are only
It is some embodiments of the present utility model, for those of ordinary skill in the art, before creative labor is not paid
Put, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation in the utility model industrial camera one embodiment;
Fig. 2 is the circuit theory diagrams of power supply module in the embodiment.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belongs to the scope of the utility model protection.
In the utility model industrial camera embodiment, the structural representation of the industrial camera is as shown in Figure 1., should in Fig. 1
Industrial camera include image acquisition board 1, AFE plates 2, master control borad 3 and power panel 4, wherein, AFE plates 2 respectively with image acquisition board 1
Connected with master control borad 3, power panel 4 is connected with image acquisition board 1, AFE plates 2 and master control borad 3 respectively, image acquisition board 1 will be gathered
To analog picture signal transmit to AFE plates 2, analog picture signal is converted to the first data image signal and transmitted by AFE plates 2
To master control borad 3, power panel 4 includes USB interface 41 and power supply module 42.
In the present embodiment, master control borad 3 include SDRAM31, FPGA32 and USB control chip 33, wherein, SDRAM31 with
FPGA32 connections, for caching the first data image signal, the first data image signal is processed into the second digitized map by FPGA32
USB control chips 33 are sent to as signal, and by the second data image signal, USB control chips 33 believe the second digital picture
Number outer PC (not shown) is transferred to by USB interface 41, power supply module 42 respectively with USB interface 41, IMAQ
Plate 1, AFE plates 2 and master control borad 3 are connected, for powering.Wherein, USB interface 41 can be USB3.0 interfaces, or
USB2.0 interfaces, which adds the flexibility of selection.
Fig. 2 is the circuit theory diagrams of power supply module in the present embodiment, in Fig. 2, and power supply module 42 includes first resistor R1, the
Two resistance R2,3rd resistor R3, the 4th resistance R4, the 5th resistance R5, the first electric capacity C1, the second electric capacity C2, triode Q1, MOS
Pipe Q2, the first diode D1 and the second voltage-stabiliser tube D2, triode Q1 base stage by the 5th resistance R5 respectively with first resistor R1
One end and second resistance R2 one end connection, first resistor R1 the other end connection dc source VCC, second resistance R2's is another
One end is grounded GND by the first electric capacity C1, and triode Q1 emitter stage is connected with the first diode D1 negative electrode, the first diode
D1 anode is connected with dc source VCC, and triode Q1 colelctor electrode is by 3rd resistor R3 respectively with the second voltage-stabiliser tube D2's
One end connection of negative pole, the 4th resistance R4 one end and the second electric capacity C2, the second electric capacity C2 other end and metal-oxide-semiconductor Q2 grid
Connection, the source grounding of the second voltage-stabiliser tube D2 positive pole, the 4th resistance R4 other end and metal-oxide-semiconductor Q2, metal-oxide-semiconductor Q2 drain electrode
Connect signal output part VOUT.
Wherein the 5th resistance R5 is current-limiting resistance, between triode Q1 and first resistor R1 or second resistance R2
Branch road carries out overcurrent protection, and the second electric capacity C2 is coupled capacitor, for preventing the interference between triode Q1 and metal-oxide-semiconductor Q2, because
This its there is circuit protection function, using safer.
It is noted that in the present embodiment, triode Q1 is PNP type triode, metal-oxide-semiconductor Q2 is N-channel MOS pipe.When
So, under the certain situation of the present embodiment, triode Q1 can also be NPN type triode, and metal-oxide-semiconductor Q2 can also be P-channel MOS
Pipe, but at this moment the structure of circuit also will accordingly change.In the present embodiment, power supply module 42 also includes the 6th resistance R6, the
Six resistance R6 one end is connected with dc source VCC, and the 6th resistance R6 other end is connected with the first diode D1 anode.The
Six resistance R6 are current-limiting resistance, overcurrent protection are carried out for the branch road where the emitter stage to triode Q1, to increase circuit
Security.
In the present embodiment, power supply module 42 also includes the 7th resistance R7, and metal-oxide-semiconductor Q2 source electrode is connect by the 7th resistance R7
Ground.7th resistance R7 is current-limiting resistance, overcurrent protection is carried out for the branch road where the source electrode to metal-oxide-semiconductor Q2, further to increase
Power up the security on road.
In the present embodiment, power supply module 42 also includes the 8th resistance R8, and metal-oxide-semiconductor Q2 drain electrode passes through the 8th resistance R8 connections
Signal output part VOUT.Wherein, the 8th resistance R8 is current-limiting resistance, is carried out for the branch road where the drain electrode to metal-oxide-semiconductor Q2
Stream protection, further to increase the security of circuit.
In the present embodiment, AFE plates 2 include drive circuit 21 and analog to digital conversion circuit 22, one end of drive circuit 21 and figure
As collection plate 1 is connected, the other end of drive circuit 21 is connected with FPGA32, one end of analog to digital conversion circuit 22 and image acquisition board
1 connection, the other end of analog to digital conversion circuit 22 is connected with FPGA32.FPGA32 generating routines are to drive circuit 21, drive circuit
21 driving image acquisition boards 1, make image acquisition board 1 gather image and export analog picture signal to analog to digital conversion circuit 22, mould
The analog picture signal received is converted to the first data image signal, the output of the first data image signal by number change-over circuit 22
First be cached to SDRAM31 afterwards, it is necessary to when taken out again by FPGA32, by FPGA32 be processed into the second data image signal it
After be transferred to USB control chips 33, communicated finally by USB interface 41 and outer PC.
In a word, because power supply module 42 is provided with current-limiting resistance and coupled capacitor, therefore it has circuit protection function, used
It is safer.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
Within the spirit and principle of utility model, any modification, equivalent substitution and improvements made etc. should be included in the utility model
Protection domain within.
Claims (7)
1. a kind of industrial camera, it is characterised in that including image acquisition board, AFE plates, master control borad and power panel, described image is adopted
Collection plate transmits the analog picture signal collected to the AFE plates, and the analog picture signal is converted to the by the AFE plates
One data image signal is simultaneously transmitted to the master control borad, and the power panel includes USB interface and power supply module, the master control borad bag
SDRAM, FPGA and USB control chip are included, the SDRAM is connected with the FPGA, for caching the first digital picture letter
Number, first data image signal is processed into the second data image signal by the FPGA, and by second digital picture
Signal is sent to the USB control chips, and the USB control chips connect second data image signal by the USB
Port transmission to outer PC, the power supply module is connected with the USB interface, image acquisition board, AFE plates and master control borad respectively,
For powering;
The power supply module includes first resistor, second resistance, 3rd resistor, the 4th resistance, the 5th resistance, the first electric capacity, the
Two electric capacity, triode, metal-oxide-semiconductor, the first diode and the second voltage-stabiliser tube, the base stage of the triode pass through the 5th resistance point
It is not connected with one end of the first resistor and one end of second resistance, the other end connection dc source of the first resistor,
The other end of the second resistance passes through first capacity earth, the emitter stage of the triode and first diode
Negative electrode is connected, and the anode of first diode is connected with the dc source, and the colelctor electrode of the triode passes through described the
Three resistance are connected with the negative pole of second voltage-stabiliser tube, one end of the 4th resistance and one end of the second electric capacity respectively, and described second
The other end of electric capacity is connected with the grid of the metal-oxide-semiconductor, positive pole, the other end and MOS of the 4th resistance of second voltage-stabiliser tube
The source grounding of pipe, the drain electrode connection signal output part of the metal-oxide-semiconductor.
2. industrial camera according to claim 1, it is characterised in that the power supply module also includes the 6th resistance, described
One end of 6th resistance is connected with the dc source, and the other end of the 6th resistance connects with the anode of first diode
Connect.
3. industrial camera according to claim 2, it is characterised in that the power supply module also includes the 7th resistance, described
The source electrode of metal-oxide-semiconductor passes through the 7th resistance eutral grounding.
4. industrial camera according to claim 3, it is characterised in that the power supply module also includes the 8th resistance, described
The drain electrode of metal-oxide-semiconductor connects the signal output part by the 8th resistance.
5. the industrial camera according to Claims 1-4 any one, it is characterised in that the triode is the pole of positive-negative-positive three
Pipe, the metal-oxide-semiconductor is N-channel MOS pipe.
6. industrial camera according to claim 5, it is characterised in that the USB interface is USB3.0 interfaces or USB2.0
Interface.
7. the industrial camera according to Claims 1-4 any one, it is characterised in that the AFE plates include drive circuit
And analog to digital conversion circuit, one end of the drive circuit is connected with described image collection plate, the other end of the drive circuit with
The FPGA connections, one end of analog-digital conversion circuit as described is connected with described image collection plate, analog-digital conversion circuit as described it is another
One end is connected with the FPGA.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201720132421.9U CN206564652U (en) | 2017-02-14 | 2017-02-14 | Industrial camera |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201720132421.9U CN206564652U (en) | 2017-02-14 | 2017-02-14 | Industrial camera |
Publications (1)
Publication Number | Publication Date |
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CN206564652U true CN206564652U (en) | 2017-10-17 |
Family
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CN201720132421.9U Expired - Fee Related CN206564652U (en) | 2017-02-14 | 2017-02-14 | Industrial camera |
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CN (1) | CN206564652U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109215545A (en) * | 2018-11-20 | 2019-01-15 | 安徽奕甲文化传媒有限责任公司 | Intelligent merchandise display purchase guiding system |
-
2017
- 2017-02-14 CN CN201720132421.9U patent/CN206564652U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109215545A (en) * | 2018-11-20 | 2019-01-15 | 安徽奕甲文化传媒有限责任公司 | Intelligent merchandise display purchase guiding system |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171017 Termination date: 20200214 |
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CF01 | Termination of patent right due to non-payment of annual fee |