CN204189420U - A kind of high-definition image display system - Google Patents
A kind of high-definition image display system Download PDFInfo
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- CN204189420U CN204189420U CN201420635330.3U CN201420635330U CN204189420U CN 204189420 U CN204189420 U CN 204189420U CN 201420635330 U CN201420635330 U CN 201420635330U CN 204189420 U CN204189420 U CN 204189420U
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Abstract
The utility model discloses a kind of high-definition image display system, mainly comprise map sensor, the driving circuit be connected with imageing sensor, the time base circuit for generating be connected with driving circuit, and with time the base circuit for generating amplifying circuit that is connected form, it is characterized in that: also comprise with time the base circuit for generating constant-current source circuit that is connected; Described constant-current source circuit comprises resistance R2, potentiometer R3, resistance R4, resistance R5, triode VT2, and electric capacity C6; The utility model is provided with constant-current source circuit, and during to ensure, base circuit for generating can produce linear waveform, thus the display that use image can be clear, complete.
Description
Technical field
The utility model relates to a kind of image display system, specifically refers to a kind of high-definition image display system.
Background technology
Display is also referred to as monitor usually.Display is the I/O equipment belonging to computer, i.e. input-output device.It a kind ofly certain e-file is shown to show tools screen reflexing to again human eye by specific transmission equipment.Its application widely, arrives satellite monitoring greatly, little of seeing VCD, and can say in modern society, its figure is ubiquitous.As the electrical equipment such as televisor, computer all can use.But existing display often there will be the situation of picture distortion on the market, this have impact on the visual effect of people greatly.
Utility model content
The purpose of this utility model is that the linear effects overcoming conventional images display system is bad, affects the defect of image display effect, provides a kind of high-definition image display system that can produce linear saw-tooth wave.
The purpose of this utility model is achieved through the following technical solutions: a kind of high-definition image display system, mainly comprise map sensor, the driving circuit be connected with imageing sensor, the time base circuit for generating be connected with driving circuit, and with time the base circuit for generating amplifying circuit that is connected form, meanwhile, also comprise with time the base circuit for generating constant-current source circuit that is connected; Described constant-current source circuit comprises resistance R2, potentiometer R3, resistance R4, resistance R5, triode VT2, and electric capacity C6; The positive pole of electric capacity C6 with time base circuit for generating is connected, its negative pole is then connected with the emitter of triode VT2, one end of resistance R4 is connected with the positive pole of electric capacity C6, its other end then after resistance R5 simultaneously with time base circuit for generating be connected with amplifying circuit, the emitter of described triode VT2 is connected with the positive pole of electric capacity C6 after resistance R2 through potentiometer R3, its collector then after electric capacity C7 ground connection, base stage be then connected with the tie point of resistance R5 with resistance R4; The positive pole of described electric capacity C6 is also connected with external power source.
Further, described driving circuit is by driving chip U1, triode VT1, the inductance L 2 that one end is connected with the base stage of triode VT1, the other end is then connected with the FX pin of driving chip U1, the electric capacity C1 that negative pole is connected with the BE pin of driving chip U1, positive pole is then connected with the emitter of triode VT1 after inductance L 1, the electric capacity C2 that negative pole is connected with the FC pin of driving chip U1, positive pole is then connected with the FI pin of driving chip U1 after inductance L 3 forms; The F2 pin of described driving chip U1 is connected with imageing sensor, M1 pin and M2 pin then with time base circuit for generating be connected, the grounded collector of triode VT1.
Time described, base circuit for generating is by flip chip U2, electric capacity C3, electric capacity C4, electric capacity C5, and resistance R1 forms; The positive pole of electric capacity C3 is connected with the positive pole of electric capacity C6, its negative pole then ground connection, one end of resistance R1 is connected with the positive pole of electric capacity C3, the other end is connected with the TRI pin of flip chip U2, the positive pole of electric capacity C4 is connected with the M1 pin of driving chip U1, its negative pole is then connected with the TRI pin of trigger circuit U2, and the positive pole of electric capacity C5 is connected with the CONT pin of flip chip U2, minus earth; The RESET pin of described flip chip U2 is connected with VCC pin, and its tie point is then connected with the positive pole of electric capacity C3, and DIS pin is connected with OUT pin, and its tie point is then connected with resistance R5, and GND pin connects ground.
Described amplifying circuit is made up of amplification chip U3 and the resistance R6 be serially connected between the NON pin of amplification chip U3 and OUT pin; The VCC pin of amplification chip U3 is connected with external power source, its IN pin then with time base chip U2 OUT pin be connected, its VCC-pin ground connection.
For guaranteeing result of use, described flip chip U2 realizes for preferentially adopting NE555 type integrated chip.
The utility model comparatively prior art is compared, and has the following advantages and beneficial effect:
(1) when the utility model is ensured by constant-current source circuit, base circuit for generating can produce linear waveform, thus the display that use image can be clear, complete.
(2) the utility model is applicable to different displays, as TV, computer etc.
(3) time of the present utility model, base circuit for generating adopts NE555 type integrated chip to realize, therefore can the making price of the whole image display system of reduction of high degree, can reduce energy consumption greatly.
(4) driving circuit of the present utility model is adjustment driving circuit, and it can make the speed of system process images greatly accelerate.
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, high-definition image display system of the present utility model, mainly comprises map sensor, the driving circuit be connected with imageing sensor, the time base circuit for generating be connected with driving circuit, and with time the base circuit for generating amplifying circuit that is connected form.
In order to the waveform of system output linearity can be allowed to realize the purpose of this utility model, thus be also provided with in systems in which with time the base circuit for generating constant-current source circuit that is connected.This constant-current source circuit comprises resistance R2, potentiometer R3, resistance R4, resistance R5, triode VT2, and electric capacity C6.During connection, the positive pole of electric capacity C6 with time base circuit for generating is connected, its negative pole is then connected with the emitter of triode VT2, one end of resistance R4 is connected with the positive pole of electric capacity C6, its other end then after resistance R5 simultaneously with time base circuit for generating be connected with amplifying circuit, in addition, the emitter of triode VT2 be connected with the positive pole of electric capacity C6 after resistance R2 through potentiometer R3, its collector then after electric capacity C7 ground connection, base stage be then connected with the tie point of resistance R5 with resistance R4; The positive pole of described electric capacity C6 is also connected with external power source.
Constant-current source circuit is in systems in which as a constant current source, and when the effect due to constant current source uses, base circuit for generating can produce linear ramp waveform output, thus realizes the purpose of this utility model.
Driving circuit in system is high-speed driving circuit, and it can allow the speed greatly improving system process images.This driving circuit is by driving chip U1, triode VT1, the inductance L 2 that one end is connected with the base stage of triode VT1, the other end is then connected with the FX pin of driving chip U1, the electric capacity C1 that negative pole is connected with the BE pin of driving chip U1, positive pole is then connected with the emitter of triode VT1 after inductance L 1, the electric capacity C2 that negative pole is connected with the FC pin of driving chip U1, positive pole is then connected with the FI pin of driving chip U1 after inductance L 3 forms.The F2 pin of described driving chip U1 is connected with imageing sensor, M1 pin and M2 pin then with time base circuit for generating be connected, the grounded collector of triode VT1.In order to better realize effect, driving chip U1 is high-speed driving chip, as EMD2050 type integrated chip.
Time base circuit for generating have the effect of serving as saw-toothed wave generator at circuit, it is by flip chip U2, electric capacity C3, electric capacity C4, electric capacity C5, and resistance R1 forms.During connection, the positive pole of electric capacity C3 is connected with the positive pole of electric capacity C6, its negative pole then ground connection, one end of resistance R1 is connected with the positive pole of electric capacity C3, the other end is connected with the TRI pin of flip chip U2, the positive pole of electric capacity C4 is connected with the M1 pin of driving chip U1, its negative pole is then connected with the TRI pin of trigger circuit U2, and the positive pole of electric capacity C5 is connected with the CONT pin of flip chip U2, minus earth; The RESET pin of described flip chip U2 is connected with VCC pin, and its tie point is then connected with the positive pole of electric capacity C3, and DIS pin is connected with OUT pin, and its tie point is then connected with resistance R5, and GND pin connects ground.In order to better realize the effect of the present embodiment, this flip chip U2 is preferably NE555 type integrated chip and realizes.
In order to use image display effect better, in system, be also provided with amplifying circuit.This amplifying circuit is made up of amplification chip U3 and the resistance R6 be serially connected between the NON pin of amplification chip U3 and OUT pin; The VCC pin of amplification chip U3 is connected with external power source, its IN pin then with time base chip U2 OUT pin be connected, its VCC-pin ground connection.This amplification chip U3 then can preferentially adopt AP8802H type integrated chip to realize.
As mentioned above, just well the utility model can be implemented.
Claims (5)
1. a high-definition image display system, mainly comprise map sensor, the driving circuit be connected with imageing sensor, the time base circuit for generating be connected with driving circuit, and with time the base circuit for generating amplifying circuit that is connected form, it is characterized in that: also comprise with time the base circuit for generating constant-current source circuit that is connected; Described constant-current source circuit comprises resistance R2, potentiometer R3, resistance R4, resistance R5, triode VT2, and electric capacity C6; The positive pole of electric capacity C6 with time base circuit for generating is connected, its negative pole is then connected with the emitter of triode VT2, one end of resistance R4 is connected with the positive pole of electric capacity C6, its other end then after resistance R5 simultaneously with time base circuit for generating be connected with amplifying circuit, the emitter of described triode VT2 is connected with the positive pole of electric capacity C6 after resistance R2 through potentiometer R3, its collector then after electric capacity C7 ground connection, base stage be then connected with the tie point of resistance R5 with resistance R4; The positive pole of described electric capacity C6 is also connected with external power source.
2. a kind of high-definition image display system according to claim 1, it is characterized in that: described driving circuit is by driving chip U1, triode VT1, the inductance L 2 that one end is connected with the base stage of triode VT1, the other end is then connected with the FX pin of driving chip U1, the electric capacity C1 that negative pole is connected with the BE pin of driving chip U1, positive pole is then connected with the emitter of triode VT1 after inductance L 1, the electric capacity C2 that negative pole is connected with the FC pin of driving chip U1, positive pole is then connected with the FI pin of driving chip U1 after inductance L 3 forms; The F2 pin of described driving chip U1 is connected with imageing sensor, M1 pin and M2 pin then with time base circuit for generating be connected, the grounded collector of triode VT1.
3. a kind of high-definition image display system according to claim 2, is characterized in that: time described, base circuit for generating is by flip chip U2, electric capacity C3, electric capacity C4, electric capacity C5, and resistance R1 forms; The positive pole of electric capacity C3 is connected with the positive pole of electric capacity C6, its negative pole then ground connection, one end of resistance R1 is connected with the positive pole of electric capacity C3, the other end is connected with the TRI pin of flip chip U2, the positive pole of electric capacity C4 is connected with the M1 pin of driving chip U1, its negative pole is then connected with the TRI pin of trigger circuit U2, and the positive pole of electric capacity C5 is connected with the CONT pin of flip chip U2, minus earth; The RESET pin of described flip chip U2 is connected with VCC pin, and its tie point is then connected with the positive pole of electric capacity C3, and DIS pin is connected with OUT pin, and its tie point is then connected with resistance R5, and GND pin connects ground.
4. a kind of high-definition image display system according to claim 3, is characterized in that: described amplifying circuit is made up of amplification chip U3 and the resistance R6 be serially connected between the NON pin of amplification chip U3 and OUT pin; The VCC pin of amplification chip U3 is connected with external power source, its IN pin then with time base chip U2 OUT pin be connected, its VCC-pin ground connection.
5. a kind of high-definition image display system according to claim 3, is characterized in that: described flip chip U2 is NE555 integrated chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420635330.3U CN204189420U (en) | 2014-10-29 | 2014-10-29 | A kind of high-definition image display system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420635330.3U CN204189420U (en) | 2014-10-29 | 2014-10-29 | A kind of high-definition image display system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204189420U true CN204189420U (en) | 2015-03-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420635330.3U Expired - Fee Related CN204189420U (en) | 2014-10-29 | 2014-10-29 | A kind of high-definition image display system |
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| Country | Link |
|---|---|
| CN (1) | CN204189420U (en) |
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2014
- 2014-10-29 CN CN201420635330.3U patent/CN204189420U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150304 Termination date: 20181029 |
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| CF01 | Termination of patent right due to non-payment of annual fee |