CN2640845Y - Automobile reverse running display with red infrared detection and micro pick-up device - Google Patents

Automobile reverse running display with red infrared detection and micro pick-up device Download PDF

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Publication number
CN2640845Y
CN2640845Y CN 03207104 CN03207104U CN2640845Y CN 2640845 Y CN2640845 Y CN 2640845Y CN 03207104 CN03207104 CN 03207104 CN 03207104 U CN03207104 U CN 03207104U CN 2640845 Y CN2640845 Y CN 2640845Y
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CN
China
Prior art keywords
module
lcd display
infrared
control module
distance measurement
Prior art date
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Expired - Fee Related
Application number
CN 03207104
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Chinese (zh)
Inventor
胡盛益
卓献军
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FUJIAN TIANTONG COMMUNICATION TECHNOLOGY Co Ltd
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FUJIAN TIANTONG COMMUNICATION TECHNOLOGY Co Ltd
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Publication date
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Priority to CN 03207104 priority Critical patent/CN2640845Y/en
Application granted granted Critical
Publication of CN2640845Y publication Critical patent/CN2640845Y/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model provides a motor backing display device with a function of infrared detecting and micro image picking up. An infrared detector 1 is connected with an infrared distance measuring control module 2. The infrared distance measuring control module is connected with a voice hinting module 3. The output signal from the module 3 is respectively connected with a loudspeaker 4 and a LCD display screen 8. A micro camera 5 is connected with a video watching module 7. The output signal from the module 7 is connected with a LCD display 8. When the motor is in backing, the driver can hear the hints of back and stop, and the scenery behind can be clearly displayed on the LCD display screen 8, so that objects can not be knocked. The utility model has the advantages of low cost, easy operation, safe and reliable use.

Description

Reversing automobile read out instrument with infrared acquisition and miniature video camera
Technical field
The utility model relates to a kind of reversing automobile read out instrument, particularly a kind of reversing automobile read out instrument with infrared acquisition and miniature video camera.
Background technology
Along with the raising of development and national economy and living standards of the people, automobile is more and more universal as a kind of transport facility easily.In existing technology, during reversing automobile, the motorist can only pass through the general situation behind " back mirror " judgement car, and the automobile rear sight more nearby of adjusting the distance can not clearly be observed.Recently, though someone has invented a kind of infrared distance measuring device of installing at the automobile rear, the distance of object behind the car is measured, after sound circuit is handled, send " reversing " or " stopping " prompting by loud speaker, the somebody has invented microcam has been installed behind car, and the scene shot behind the car is got off, pass through the video monitor processing of circuit again, on telltale, show then.But above-mentioned two kinds of inventions all exist hears and but cannot see or visible inaudible defective, still has potential safety hazard when reversing automobile.
Summary of the invention
The purpose of this utility model is to provide a kind of reversing automobile read out instrument with infrared acquisition and miniature video camera, when reversing automobile, not only send the voice suggestion of reversing by loud speaker, and the scenery after clearly demonstrating car on the read-out, reversing automobile and the crashproof safety control that provides are provided.
The purpose of this utility model is achieved in that a kind of reversing automobile read out instrument with infrared acquisition and miniature video camera, it comprises machine box 9, infrared detector 1, infrared distance measurement control module 2, voice cue module 3, loud speaker 4, microcam 5, power supply 6, video monitor module 7 and LCD display 8, wherein, described infrared detector 1 is connected with infrared distance measurement control module 2, infrared distance measurement control module 2 is connected with voice cue module 3, the output signal that voice cue module 3 is drawn then is connected respectively to loud speaker 4 and LCD display 8, microcam 5 is connected with video monitor module 7, the vision signal that video monitor module 7 is drawn is connected to LCD display 8, power supply 6 respectively with infrared detector 1, infrared distance measurement control module 2, voice cue module 3, microcam 5, video monitor module 7 and LCD display 8 are connected; Infrared distance measurement control module 2, voice cue module 3, power supply 6 and video monitor module 7 all are installed in machine box 9 inside, and infrared detector 1 and microcam 5 are installed in automobile tail, and it is indoor that loud speaker 4 and LCD display 8 are installed in vehicle drive.
The utility model has the advantages that: 1. safe and reliable: not only can hear the prompting of " reversing " or " stopping " during reversing, can clearly observe simultaneously the scenery of automobile back, guarantee the safety of moveing backward, crash-avoidance.2. economical and practical: above-mentioned module and parts low price, cost are low, and suitable Quantity production; For the vehicle drive person, use very convenient.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is an infrared distance measurement control module principle of work scheme drawing of the present utility model;
Fig. 3 is the principle of work scheme drawing of video monitor module of the present utility model and LCD display;
Fig. 4 is the principle of work scheme drawing of checking gamma circuit in the video monitor module of the present utility model.
The specific embodiment
The utility model is described in further detail below in conjunction with drawings and Examples.
Accompanying drawing 1 is depicted as an embodiment of the present utility model, it comprises machine box 9, infrared detector 1, infrared distance measurement control module 2, voice cue module 3, loud speaker 4, microcam 5, power supply 6, video monitor module 7 and LCD display 8, form infrared and receive ranging circuit by infrarede emitting diode and infrared photo-transistor, adjustment transmits and receives the size of power, can converse the distance of automobile rear reflection thing, it is after the signal of object distance is converted to electric signal after with automobile and car, this signal is amplified and delivered to voice cue module 3 by infrared distance measurement control module 2 to drive loud speakers 4 and send prompting.When not surpassing predefined minimum value, voice cue module 3 drives loud speaker 4 and sends " reversing " prompting, when reaching predefined minimum value, voice cue module 3 drives loud speaker 4 promptings " stopping ", prompting " stopping " printed words on the LCD display 8, in the time of reversing, microcam 5 gets off car back scene shot, delivers to be presented on the LCD display 8 after video monitor module 7 is handled.Fig. 2 is the schematic diagram of infrared distance measurement control module, and in Fig. 2, the power of infrarede emitting diode VD is by resistance R 0Control, VT1 is infrared photo-transistor, it receives the infrared signal that object reflects behind car of VD emission and it is converted to faint electric signal, aerotron VT2 and resistance R 1, R2, R3 form amplifying circuit, and the ultra-weak electronic signal that it sends aerotron VT1 here amplifies the back and sends from the R3 two ends.The resistance of adjusting R2 can be adjusted the voltage at R3 two ends, when magnitude of voltage during less than setting value, voice cue module drives loud speaker and sends " reversing " prompting, when magnitude of voltage reaches setting value, voice cue module drives loud speaker and sends " stopping " prompting, and shows " stopping " printed words on LCD display.Fig. 3 is the principle of work scheme drawing of video monitor module of the present utility model and LCD display, R, G, three primary video signals of B are respectively behind sampling maintenance and Y electrode signal actuator among the figure, send 3 * 180 row Y electrode signals, row, frame-synchronizing impulse trigger actuator and produce 210 line-sweep voltages of every frame, and 210 X scan electrodes that are transported to LCD display scan.Sampling clock frequency f s is by line frequency f HPhase-locked voltage controlled crystal oscillator produces, and fs is to each row primary colour signal 180 sampling points of sampling, to R, G, B three primary colours 3 * 180 sampling points of sampling altogether.LCD display is made of tft active matrix liquid crystal display, battery power circuit, backlight source driving circuit and compact fluorescent lamp, because the luminous transmittance of colour filter is low in the LCD display, color display must be provided with light source at the back side of LCD display, so adopted battery power circuit, backlight drive circuit and compact fluorescent lamp.Fig. 4 is the principle of work scheme drawing of checking gamma circuit among Fig. 3, as shown in the figure, the picture signal of negative polarity is amplified through aerotron VT1 paraphase, becomes the nonlinear output signal of straight polarity, establishes γ=0.45, the emitter of VT1 has inserted four sections broken-line type nonlinear feedback resistance, when incoming signal level is higher, three diode VD1, VD2, all conductings of VD3, the emitter feedback resistance is that R5, R1, R2 are in parallel with R3, the resistance minimum is so Amplifier Gain is the highest.When incoming signal level reduced gradually, VD1 at first ended, and feedback resistance is that R5, R2 are in parallel with R3, resistance further rises, and amplifier gain then further reduces, when incoming signal level is reduced to when VD3 also is cut off, the only surplus R5 of feedback resistance, Amplifier Gain reaches minimum value.The characteristic curve of whole change in gain is four sections broken lines.As long as the bias voltage of correct design and each diode of adjustment and the resistance of each feedback resistance just can obtain comparatively desirable γ characteristic curve.
Use automobile driver of the present utility model, when reversing automobile, can accurately judge the distance of object behind automobile and the car, clearly hear the prompting of " reversing " or " stopping ", simultaneously, knock other object when preventing reversing automobile at the scenery behind the display automobile clearly on the LCD display.

Claims (1)

1, a kind of reversing automobile read out instrument with infrared acquisition and miniature video camera, it is characterized in that: it comprises machine box (9), infrared detector (1), infrared distance measurement control module (2), voice cue module (3), loud speaker (4), microcam (5), power supply (6), video monitor module (7) and LCD display (8), wherein, described infrared detector (1) is connected with infrared distance measurement control module (2), infrared distance measurement control module (2) is connected with voice cue module (3), the output signal that voice cue module (3) is drawn then is connected respectively to loud speaker (4) and LCD display (8), microcam (5) is connected with video monitor module (7), the vision signal that video monitor module (7) is drawn is connected to LCD display (8), power supply (6) respectively with infrared detector (1), infrared distance measurement control module (2), voice cue module (3), microcam (5), video monitor module (7) and LCD display (8) are connected; Infrared distance measurement control module (2), voice cue module (3), power supply (6) and video monitor module (7) all are installed in machine box (9) inside, infrared detector (1) and microcam (5) are installed in automobile tail, and it is indoor that loud speaker (4) and LCD display (8) are installed in vehicle drive.
CN 03207104 2003-08-05 2003-08-05 Automobile reverse running display with red infrared detection and micro pick-up device Expired - Fee Related CN2640845Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 03207104 CN2640845Y (en) 2003-08-05 2003-08-05 Automobile reverse running display with red infrared detection and micro pick-up device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 03207104 CN2640845Y (en) 2003-08-05 2003-08-05 Automobile reverse running display with red infrared detection and micro pick-up device

Publications (1)

Publication Number Publication Date
CN2640845Y true CN2640845Y (en) 2004-09-15

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CN 03207104 Expired - Fee Related CN2640845Y (en) 2003-08-05 2003-08-05 Automobile reverse running display with red infrared detection and micro pick-up device

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104590117A (en) * 2014-11-27 2015-05-06 张金茂 Electronic safety device for automobile backing-up
CN108824906A (en) * 2018-06-29 2018-11-16 仲恺农业工程学院 It is a kind of that corrector of moving backward is stopped based on photosensitive sensor design
CN109738882A (en) * 2018-12-13 2019-05-10 华南师范大学 A kind of high-precision based on infrared tube is adjustable range-measuring circuit

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104590117A (en) * 2014-11-27 2015-05-06 张金茂 Electronic safety device for automobile backing-up
CN108824906A (en) * 2018-06-29 2018-11-16 仲恺农业工程学院 It is a kind of that corrector of moving backward is stopped based on photosensitive sensor design
CN109738882A (en) * 2018-12-13 2019-05-10 华南师范大学 A kind of high-precision based on infrared tube is adjustable range-measuring circuit
CN109738882B (en) * 2018-12-13 2019-10-25 华南师范大学 A kind of high-precision based on infrared tube is adjustable range-measuring circuit

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C19 Lapse of patent right due to non-payment of the annual fee
CF01 Termination of patent right due to non-payment of annual fee