CN1104988A - Indicator device for an elevator and procedure for controlling the display of an indicator device - Google Patents

Abstract

Of the LED units used as picture elements V50 to V61, V63, V64, V65, V67 in an indicator device for an elevator, at least one is capable of emitting under appropriate control at least two light radiations of substantially different colours. The colour to be displayed by the picture element is selected or mixed from the colours of the LEDs in the LED units. In the procedure, at least one of the LED units is caused to emit at least two light radiations of different colours, and the LED unit is caused to emit at least one of the colours of the LED for short periods of a preset length at intervals of a preset length.

Description

Indicator device for an elevator and procedure for controlling the display of an indicator device

The present invention relates to the indicating device of elevator and the display control program of elevator indicating device.

Elevator indicating device and operation thereof must be satisfied all requirements.In elevator market, more and more higher to the appearance requirement of elevator.Simultaneously, also just more and more higher to the requirement of floor indicating device, indicator lamp or the like.No matter be outward appearance, still represented signal, image and color, indicating device must be clear, can pass on enough information, with environment coordination, and meets the regulation of each figure.For satisfying above-mentioned requirements, floor indicating device and other device need similar multiple pattern, and this has just improved the cost of elevator components, and causes problem on the date for delivery of lift facility.Therefore diversified requirement causes cost to improve for the elevator outward appearance, and may give rise to trouble aspect elevator delivery.

The objective of the invention is to propose the control program of a kind of later-model elevator indicating device and demonstration, to address the above problem and to satisfy above-mentioned requirements.

Indicating device of the present invention, comprise a plurality of telltales with a plurality of pixels, pixel is made up of the light-emitting diode parts, wherein at least one light-emitting diode parts is designed to send significantly different light in short-term of at least two kinds of colors, and in these light-emitting diode parts, can obtain the expection color by the ratio between the light period of setting different colours, can be by lumination of light emitting diode cycle in the light-emitting diode parts and the visible brightness of recently setting the light-emitting diode parts between luminous interval.

Control program of the present invention is as follows: the pixel of the telltale of elevator indicating device is made up of the light-emitting diode parts, wherein at least one light-emitting diode parts is designed to send color significantly different at least two kinds light in short-term, and, at these light-emitting diode parts, can obtain to expect color by the ratio between the light period of control different colours, the brightness of the light-emitting diode parts of the indicating device telltale of seeing in per moment can be sent the lumination of light emitting diode cycle of different colours light in the light-emitting diode parts and the ratio between luminous interval is controlled by setting.

Indicating device of the present invention has escalator or elevator to stop the floor indicating device or the directional arrow indicating device of layer for instance; Escalator or floor are in the terraced button or relative signal lamp indicating device; Perhaps be used for showing some other indicating device of information in the elevator device, for example, be used for the telltale that shows the way for the passenger in the elevator vestibule.

Advantage of the present invention is as follows:

Only just can show various symbols with the expection color with a hardware;

Shown color can add selection, can be a kind of color in the nominal color of the light that sends of display element, also can be the secondary colour of these colors;

In certain embodiments of the present invention, can two or more colors show image;

Display brightness can be according to the ambient lighting brightness regulation to suitable degree;

The color and the available in case of necessity parameter that can change of brightness that show are regulated, thereby can set suitable brightness and color to the indicator component of different floors according to environment.

Below by embodiment and with reference to accompanying drawing the present invention is set forth in detail.In the accompanying drawings:

Fig. 1 is the circuit diagram of floor of the present invention the display unit of ladder device;

Fig. 2 is placed on the floor that has telltale in the button ladder device.

Fig. 3 is a circuit read out instrument display of the present invention.

Fig. 1 is the circuit diagram of floor the display unit 2 of ladder device 1.Floor is upwards red by signal wire (SW) UPRED(the treater in the ladder device 1 3), UPGREEN(is to the upper limb look), DWRED(is red downwards), DWGREEN(is green downwards), control signal is delivered to the control device 4 of display unit.Except the control of display unit, this treater also can be carried out other function.The telltale 5 of display unit is sent out diode part V50...V61 by dichromatism, V63, and V64, V65, V67 forms.Floor does not add elaboration here other function of ladder device.Floor generally only is used for showing simple image the telltale of ladder device 1, for example stylize to upward arrow and arrow downwards, therefore can be by being fit to arranging light emitting diode parts V50...V61, V63, V64, V65, V67 form these images.Perhaps, can use the illumination of the display surface of partially transparent and the light-emitting diode parts behind the back side thereof to form image.

Fig. 2 expresses telltale 5 and is divided into two-part floor ladder device 1, is upwards crying in the terraced button to upward arrow 5a, and arrow 5b cries in the terraced button downwards downwards.At this moment, dichromatism light-emitting diode parts V50...V61, V63, V64, V65, V67 be following configuration in telltale: comprise optical diode parts V50...V61, V63, V64, V65 to upward arrow; And arrow comprises light-emitting diode parts V50...V61, V67, V63 downwards.Each light-emitting diode parts V50...V61, V63, V64, V65, V67 comprise the light-emitting diode (between terminals 1 and 2) that glows and the light-emitting diode (between terminals 3 and 4) of green light.According to the control signal that receives from signal wire (SW) UPRED, UPGREEN, DWRED, DWGREEN, controller 4 is switched on or switched off redness or the green LED in the light-emitting diode parts of arrow up or down.

In the circuit of given example, as controller 4, this integrated circuit comprises 8 transistors with commercially available integrated circuit ULN 2803 A.Below only set forth operation to upward arrow.Wherein a transistorized base stage is connected to the terminals 1 of controller 4, it is connected by the pulse that provides by the UPRED signal wire (SW), thereby 18 places produce a pulse at terminals, and this pulse is reached the transistorized base stage that the terminals 2 of another and controller link again, thereby its is connected.Like this, terminals 17 by controller and be attached thereto the light emitting diode string of knot, ground GND and+set up path between the 15V power supply.Two series-parallel light emitting diode string are arranged, and every string comprises four series connected light-emitting diodes.Light emitting diode string is by series connected resistance R 97 and R83 current limliting with it.When transistor was disconnected, terminals 17 and 18 voltage rose to power line voltage by a resistance bigger than the resistance of light emitting diode string.The voltage at terminals 17 places is monitored by line UPDIAC1.Whether voltage data UPDIAC 1 passes to treater 3 according to being controlled at the situation of carrying out function red to upward arrow.The operation of red arrow downwards and green arrow is identical therewith, repeats no more here.

Fig. 3 has provided the block scheme of the display unit 101 of escalator signalling apparatus.This display unit comprises dichromatism 16 * 16 light emitting diode array telltales 105, and wherein, each pixel is made up of the dichromatism light-emitting diode parts with capable R1......R16 and row, and row comprise green column C1G......C16G and red column C1R......C16R.Each pixel in the array display 105 all can use row/row coordinate, and (this coordinate shows that clearly this pixel is positioned at capable M, row N place for RM, CN) expression.Each light-emitting diode in each pixel of array display 105 is lighted by the electric current of presenting to them, and this electric current is provided from the control signal that signal wire (SW) A1......AN receives according to it by controller part 104.Resistance R 62......R93 is attached between the row input end 17......48 and controller 104 of array display 105.This array display 105 can be used the MD251BC-ARG that can buy on for example market.

Light-emitting diode in the light-emitting diode parts of telltale 5 and array display 105 all by constant current control, so that they are luminous in short-term with certain hour, and extinguishes in the interval between luminous.As if it is tens of inferior that these luminous in short-term repeated freqnencys are at least each second, thereby people's naked eyes are looked, and pixel is luminous continuously.The size of electric current preferably equals the nominal current of light-emitting diode parts, and at this moment, in each light-emitting diode parts, the pulse duty factor of the control signal of each light-emitting diode can remain on than on the decimal place, and don't the readability of infringement telltale.Repeat glow frequency and do not become the multiple relation mutually with power frequency, in other words, for example, the cyclical swing of the unlikely interference lumination of light emitting diode of the cyclical swing of filament lamp luminous intensity intensity and cause " flicker " phenomenon of telltale or part telltale, or cause the deepening phenomenon of some pixel.The brightness of given color is controlled by changing light period and the pulse duty factor between interval thereafter in the light-emitting diode parts, and tone is controlled by the ratio between the light period that changes each light-emitting diode that sends different colours in the same light-emitting diode parts.In the simple application of only selecting color and brightness, the pulse duty factor of every kind of primary colours of each light-emitting diode parts is set when mounted.The brightness of telltale and color also can be controlled according to the lighting condition of environment and/or by predetermined arrangement.In indicating device of the present invention, each light-emitting diode parts is controlled respectively, therefore is easy to produce multicolor image.

This professional person obviously as can be known, all different embodiment of the present invention never are limited to above-mentioned example, but can be changed within the scope of the following claims.For example, the invention is not restricted to use red green light-emitting diode parts, the light-emitting diode in the light-emitting diode parts can be other different colours, and the number of color of light-emitting diode parts can be greater than two.Except the outward appearance that is suitable for environment, telltale can be used for providing out of Memory for elevator passenger.For example, escalator on terraced button in, can use dim redness to represent nonopen floor, and the terraced button that cries of other floor can use common color.Equally, the floor of elevator can be same as escalator ladder terraced mode, thereby the passenger can be known, because floor has the people to be ladder, which layer elevator can stop at.This professional person also obviously as can be known, the telltale of indicating device of the present invention can be when elevator moves ebb, deepening easily, thereby increase the service life.

Claims (4)

1, indicating device (1,101), it comprises having pixel (V50 ... V61, V63, V64, V65, V67 (RM, RN) telltale (5,5A, 5B, 105), pixel is made up of the light-emitting diode parts, wherein at least one light-emitting diode parts is designed to send significantly different light in short-term of at least two kinds of colors, and in these light-emitting diode parts, can obtain the expection color by the ratio between the light period of setting different colours, it is characterized in that, can be by lumination of light emitting diode cycle in the light-emitting diode parts and the visible brightness of recently setting the light-emitting diode parts between luminous interval.

2, by the described indicating device of claim 1 (1,101), it is characterized in that, can be so that be used as the pixel (V50...V61 of indicating device telltale, V63, V64, V65, V67(RM, RN)) each light-emitting diode parts be issued to significantly different light of few two kinds of colors.

3, by claim 1 or 2 described indicating devices, it is characterized in that the telltale of indicating device (105) comprises at least one lattice array display assembly, it comprises that some light-emitting diodes are as pixel ((RM, RN)).

4, control elevator indicating device (1,101) program, described indicating device (1, pixel (the V50...V61 of telltale 101), V63, V64, V65, V67) form by the light-emitting diode parts, wherein at least one light-emitting diode parts is designed to send color significantly different at least two kinds light in short-term, and, in these light-emitting diode parts, can obtain to expect color by the ratio between the light period of control different colours, it is characterized in that the indicating device of seeing in per moment (1,101) telltale (5,5a, 5b, the brightness of light-emitting diode parts 105) can be sent the lumination of light emitting diode cycle of different colours light in the light-emitting diode parts and the ratio between luminous interval is controlled by setting.

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