CN2313265Y - Advertisement screen special for passengers on running-quickly vehicles - Google Patents

Abstract

The utility model relates to an array light source spaced row imaging display device which utilizes the visual persistence principle for human eyes and comprises a light emitting array, a sensing device, an electronic control device, etc. The utility model is characterized in that a plurality of rows of light emitting arrays formed from light emitting elements are arranged at regular intervals. When a vehicle passes, the sensing device measures the running data of the vehicle, and on the basis of the data, the electronic control device controls each row of light emitting elements to be turned on or off according to a preset program. As a result, passengers in the vehicle can see complete characters or patterns. The utility model has the advantages of simple structure, no need for large amounts of light emitting elements, and the displayed contents can be modified conveniently.

Description

Special advertisement screen at quick traveling vehicle passenger

The utility model is a kind of display device, relates to a kind ofly utilizing human eye vision to persist effect and obtaining the device of display effect, and the passenger who is particularly suitable on the quick traveling vehicle watches.

The people that at present a large amount of various lamp box advertisements of using or information display screen only are suitable for static or low-speed motion watch, and the people that are in rapid movement can't see this series advertisements clearly.Introduced a kind of persistence of vision phenomenon of utilizing in " practical electronics digest " second phase nineteen ninety-five ' hand-held electronic information display screen ' translation, with single-row light emitting diode array, under electronic circuit control, handing its quick translation, the beholder just can see the texts and pictures information that a width of cloth is stored in advance.The principle of hand-held electronic information display is very simple, and the data that will be stored among the ROM are read successively by the address exactly, is shown by 7 LED.The static demonstration only can be seen the bright dark variation of LED, but cannot see Word message, with the direction parallel fast moving of display (7 LED nestle up vertical setting of types) along the address increase, reason owing to persistence of vision, LED shown information in previous column position also temporarily remains in the visual memory, has just become literal that people can discern, figure.The circuit of this prior art is by the clock oscillation circuit of the ROM of canned data, ROM address counter, LED display driver, counter and begin to show that the starting switch several sections forms.Press starting switch, oscillatory circuit is started working, and ROM address counter counting is since 1 penultimate that count down to counter always, and ROM just triggers display driver successively with the information data that pre-deposits, and LED then presses the luminous demonstration of data message.Change moment from penultimate to last position in the address, circuit carries out a new round and shows automatically to counter reset.This device is motionless with the beholder, and light emitting array moves; According to relative motion principle, if the beholder moves, light emitting array is motionless, then has effect same.

The purpose of this utility model is a kind of display device that is formed with certain spacing arrangement by ordered series of numbers point-like luminescent device of design, each luminescent device is lighted regularly or is extinguished, this device is arranged at the vehicle roadside of passing through, passenger in the traveling vehicle persists effect because of human eye vision fast, promptly can be observed complete literal or pattern.

The display device of utilizing human eye vision to persist principle provided by the utility model is by formations such as luminous array (each array is made up of several luminophors), induction installation, electronic-controlled installation, Power Supply Assemblies.When the fast running vehicle through out-of-date, collect vehicle operation data by sensing device, electronic-controlled installation is controlled in view of the above with each luminous array of certain spacing arrangement and is lighted by preset program or extinguish each luminophor.That introduces in circuit control mode and the first translation of mentioning of literary composition is similar, difference only is to be the orderly demonstration of watching the single-row light-emitting array of motion with static observer in the translation, single-row light emitting array is in moving process, and what each position manifested is exactly the decomposition content that desire shows picture and text.And the utility model is to watch the light emitting array of constant spacing to show in order with the observer in moving, and the arrangement pitches of its light emitting array is determined by the luminous angle of illuminating part

The demonstration duration of d=2L * tg (θ/2) (θ=pointolite emission angle L=human eye to light emitting array is in twos formed plan range) and every row light emitting array is by the decision of observer's translational speed (being equivalent to mobile light emitting array speed in the translation that civilian head mentions); This installs the shown content of each light emitting array also is that desire shows the content that picture and text decompose by row according to certain rules, and shown content is identical.The observer of diverse location just can see same text or pattern on the same like this vehicle.

Describe the structure of the utility model embodiment in detail below in conjunction with accompanying drawing 1.

Among Fig. 1: 1. the middle vehicle of advancing, 2. sensing device, 3. electronic-controlled installation, 4. Power Supply Assembly, 5. luminous array, 6. light-emitting component.

Luminous as shown in FIG. array 5 is arranged by light-emitting component 6 and is formed, and luminous array 5 can be row or some row.After induction installation 2 recorded the running data of traveling vehicle 1 and sends electronic-controlled installation 3 to, electronic-controlled installation was promptly controlled the light on and off of the light-emitting component 6 in each luminous array 5.The luminous array 5 of some row is arranged along the road parallel direction with certain spacing, when vehicle ' and out-of-date, because of visual persistence effect, the passenger will see a complete literal or pattern.Change the control program in the electronic circuit, can obtain different literal or pattern.

Claims (1)

1. row imaging display device between an array light source, comprise luminous array, sensing device, electronic-controlled installation etc., it is characterized by said luminous array is vertically to be arranged in order the luminescence unit that forms by luminescent device (as light emitting diode, incandescent lamp, fluorescent light, flashlamp etc.), and electronic-controlled installation, sensor and required power supply.Light emitting array is erected at the roadside of traveling vehicle with interval d, carries out control in real time by electronic-controlled installation, and the arrangement pitch d of light emitting array is determined by the luminous angle of luminescent device

d=2L×tg(θ/2)

θ is that pointolite emission angle: L is a human eye light emitting array composition plan range extremely in twos in the formula.

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