CN204189179U - A kind of broadband image recognition system - Google Patents
A kind of broadband image recognition system Download PDFInfo
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- CN204189179U CN204189179U CN201420635211.8U CN201420635211U CN204189179U CN 204189179 U CN204189179 U CN 204189179U CN 201420635211 U CN201420635211 U CN 201420635211U CN 204189179 U CN204189179 U CN 204189179U
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Abstract
The utility model discloses a kind of broadband image recognition system, primarily of imageing sensor, feedback circuit, the treatment circuit be connected with feedback circuit output, is characterized in that: between imageing sensor and feedback circuit, be also provided with FM circuit; Described FM circuit is by electric capacity C1, and electric capacity C2, electric capacity C3, resistance R1, resistance R2, resistance R3, potentiometer R4 form; The positive pole of electric capacity C1 gets back to its negative pole after resistance R1, resistance R2, potentiometer R4, electric capacity C3, and resistance R3 and potentiometer R4 is in parallel, and the positive pole of electric capacity C2 is connected with the positive pole of electric capacity C3, its negative pole is then connected with feedback circuit.The utility model is provided with FM circuit, then can be changed the identification frequency range of image identification system by the electric capacity of the electric capacity C2 in Circuit tuning and electric capacity C3, thus uses image identification system to be applicable to close kind of a different occasion.
Description
Technical field
The utility model relates to a kind of image identification system, specifically refers to a kind of broadband image recognition system.
Background technology
At present, be that the image recognition product of representative emerges in an endless stream with scanner, it has enriched the life of people greatly.But the recognition capability of these image recognition products has certain limitation at present, namely its frequency range identified is limited, and when the frequency of image transmitting is too high or too low, it is difficult to accurately identify.Such use image recognition product the operating mode that is suitable for very limited.
Utility model content
The purpose of this utility model is to overcome the very limited shortcoming of frequency range that conventional images recognition system can identify, provides the broadband image recognition system that a kind of identification range is wide.
The purpose of this utility model is achieved through the following technical solutions: a kind of broadband image recognition system, primarily of imageing sensor, feedback circuit, the treatment circuit be connected with feedback circuit output forms, meanwhile, between imageing sensor and feedback circuit, also FM circuit is provided with; Described FM circuit is by electric capacity C1, and electric capacity C2, electric capacity C3, resistance R1, resistance R2, resistance R3 and potentiometer R4 form; Wherein, the positive pole of electric capacity C1 is connected with its negative pole in turn after resistance R1, resistance R2, potentiometer R4, electric capacity C3, and resistance R3 and potentiometer R4 is in parallel, and the positive pole of electric capacity C2 is connected with the positive pole of electric capacity C3, its negative pole is then connected with feedback circuit; The negative pole of electric capacity C3 is also connected with the control end of feedback circuit with potentiometer R4 simultaneously, and the positive pole of electric capacity C1 is then connected with imageing sensor.
Further, described feedback circuit by amplifier P1, amplifier P2, one end is connected with the output stage of amplifier P2, the resistance R7 of other end ground connection after potentiometer R1, and the resistance R5 be serially connected with between the output stage of amplifier P1 and negative pole forms; The output stage of described amplifier P1 is connected with the negative pole of electric capacity C2, and its positive pole is then connected with the control end of potentiometer R1; The negative pole of amplifier P2 is connected with its output stage, and its positive pole is then connected with the negative pole of electric capacity C3, and its output stage is then connected with treatment circuit.
Described treatment circuit is by process chip U, diode D1, positive pole is connected with the SS pin of process chip U, the electric capacity C4 of minus earth, one end is connected with the COMP pin of process chip U simultaneously, the electric capacity C5 of the equal ground connection of the other end and inductance L 1, one end is connected with the VIN pin of process chip U simultaneously, the electric capacity C7 of the equal ground connection of the other end and inductance L 4, one end is connected with the N pole of diode D1, the electric capacity C6 of other end ground connection, and one end is connected with the N pole of diode D1, the inductance L 2 of other end ground connection after inductance L 3 forms; The MIN pin of described process chip U is connected with the output stage of amplifier P2, its MOUT pin and the equal ground connection of GND pin, and FB pin is then connected with the tie point of inductance L 2 with inductance L 3; The P pole of described diode D1 is connected with the SW pin of process chip U.
For guaranteeing result of use, described process chip U is LT1942 type integrated chip.
The utility model comparatively prior art is compared, and has the following advantages and beneficial effect:
(1) the utility model is provided with FM circuit, then can be changed the identification frequency range of image identification system by the electric capacity of the electric capacity C2 in Circuit tuning and electric capacity C3, thus uses image identification system to be applicable to close kind of a different occasion.
(2) the utility model uses LT1942 type integrated chip to be used as process chip, and image identification system therefore can be made more energy-conservation.
Accompanying drawing explanation
Fig. 1 is one-piece construction schematic diagram of the present utility model.
Embodiment
Below in conjunction with embodiment, the utility model is described in further detail, but embodiment of the present utility model is not limited to this.
Embodiment
As shown in Figure 1, broadband image recognition system of the present utility model, primarily of collecting the imageing sensor of image information, feedback circuit, the treatment circuit be connected with feedback circuit output for the treatment of image information forms.
In order to the frequency range that image identification system can be allowed to identify is wider, in native system, be specially provided with FM circuit.This FM circuit is arranged between imageing sensor and feedback circuit.This FM circuit comprises electric capacity C1, electric capacity C2, electric capacity C3, resistance R1, resistance R2, resistance R3, and potentiometer R4.During connection, the positive pole of electric capacity C1 is connected with its negative pole after electric capacity C3 through resistance R1, resistance R2, potentiometer R4 in turn, and namely electric capacity C1, resistance R1, resistance R2, potentiometer R4, electric capacity C3 form an electric loop.
Resistance R3 and potentiometer R4 is in parallel, and the positive pole of electric capacity C2 is connected with the positive pole of electric capacity C3, its negative pole is then connected with feedback circuit.The negative pole of electric capacity C3 is also connected with the control end of feedback circuit with potentiometer R4 simultaneously, and the positive pole of electric capacity C1 is then also connected with imageing sensor.
Namely the novel electric capacity by adjustment electric capacity C2 and electric capacity C3 of this use can change the identification of this image identification system to different images frequency, thus strengthens identification range.Therefore, this electric capacity C2 and electric capacity C3 is necessary for the adjustable tunable capacitor of electric capacity.
Feedback circuit by amplifier P1, amplifier P2, one end is connected with the output stage of amplifier P2, the resistance R7 of other end ground connection after potentiometer R1, and the resistance R5 be serially connected with between the output stage of amplifier P1 and negative pole forms; The output stage of described amplifier P1 is connected with the negative pole of electric capacity C2, and its positive pole is then connected with the control end of potentiometer R1; The negative pole of amplifier P2 is connected with its output stage, and its positive pole is then connected with the negative pole of electric capacity C3, and output stage is connected with treatment circuit.
Treatment circuit can process collected image information, and it is by process chip U, diode D1, inductance L 2, inductance L 3, inductance L 4, inductance L 1, electric capacity C4, electric capacity C5, electric capacity C6, electric capacity and C7 composition.Wherein, the positive pole of electric capacity C4 is connected with the SS pin of process chip U, minus earth, electric capacity C5 is connected with the COMP pin of process chip U with one end of inductance L 1 simultaneously, other end ground connection respectively, electric capacity C7 is connected with the VIN pin of process chip U with one end of inductance L 4 simultaneously, other end ground connection respectively, one end of electric capacity C6 is connected with the N pole of diode D1, other end ground connection, and one end of inductance L 2 is connected with the N pole of diode D1, other end ground connection after inductance L 3.
The MIN pin of this process chip U is connected with the output stage of amplifier P2, its MOUT pin and the equal ground connection of GND pin, and FB pin is then connected with the tie point of inductance L 2 with inductance L 3; The P pole of described diode D1 is connected with the SW pin of process chip U.
In order to ensure implementation result, this process chip U preferentially adopts LT1942 type integrated chip to realize.
As mentioned above, just well the utility model can be implemented.
Claims (4)
1. a broadband image recognition system, primarily of imageing sensor, feedback circuit, the treatment circuit be connected with feedback circuit output forms, and it is characterized in that: between imageing sensor and feedback circuit, be also provided with FM circuit; Described FM circuit is by electric capacity C1, and electric capacity C2, electric capacity C3, resistance R1, resistance R2, resistance R3 and potentiometer R4 form; Wherein, the positive pole of electric capacity C1 is connected with its negative pole in turn after resistance R1, resistance R2, potentiometer R4, electric capacity C3, and resistance R3 and potentiometer R4 is in parallel, and the positive pole of electric capacity C2 is connected with the positive pole of electric capacity C3, its negative pole is then connected with feedback circuit; The negative pole of electric capacity C3 is also connected with the control end of feedback circuit with potentiometer R4 simultaneously, and the positive pole of electric capacity C1 is then connected with imageing sensor.
2. a kind of broadband image recognition system according to claim 1, it is characterized in that: described feedback circuit is by amplifier P1, amplifier P2, one end is connected with the output stage of amplifier P2, the resistance R7 of other end ground connection after potentiometer R1, and the resistance R5 be serially connected with between the output stage of amplifier P1 and negative pole forms; The output stage of described amplifier P1 is connected with the negative pole of electric capacity C2, and its positive pole is then connected with the control end of potentiometer R1; The negative pole of amplifier P2 is connected with its output stage, and its positive pole is then connected with the negative pole of electric capacity C3, and its output stage is then connected with treatment circuit.
3. a kind of broadband image recognition system according to claim 2, it is characterized in that: described treatment circuit is by process chip U, diode D1, positive pole is connected with the SS pin of process chip U, the electric capacity C4 of minus earth, one end is connected with the COMP pin of process chip U simultaneously, the electric capacity C5 of the equal ground connection of the other end and inductance L 1, one end is connected with the VIN pin of process chip U simultaneously, the electric capacity C7 of the equal ground connection of the other end and inductance L 4, one end is connected with the N pole of diode D1, the electric capacity C6 of other end ground connection, and one end is connected with the N pole of diode D1, the inductance L 2 of other end ground connection after inductance L 3 forms, the MIN pin of described process chip U is connected with the output stage of amplifier P2, its MOUT pin and the equal ground connection of GND pin, and FB pin is then connected with the tie point of inductance L 2 with inductance L 3, the P pole of described diode D1 is connected with the SW pin of process chip U.
4. a kind of broadband image recognition system according to claim 3, is characterized in that: described process chip U is LT1942 type integrated chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420635211.8U CN204189179U (en) | 2014-10-29 | 2014-10-29 | A kind of broadband image recognition system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420635211.8U CN204189179U (en) | 2014-10-29 | 2014-10-29 | A kind of broadband image recognition system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204189179U true CN204189179U (en) | 2015-03-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420635211.8U Expired - Fee Related CN204189179U (en) | 2014-10-29 | 2014-10-29 | A kind of broadband image recognition system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204189179U (en) |
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2014
- 2014-10-29 CN CN201420635211.8U patent/CN204189179U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150304 Termination date: 20181029 |