CN2317522Y - Stroke turned seven-segment code digital character display device - Google Patents

Abstract

The utility model relates to a seven-segment code digital character display device, which has good display effect under no matter the bright light condition or the dark environment and has two kinds of display colors. Each pen segment of the device is a rotatable hollow cylindrical body with a built-in light source, and the cross section of the cylindrical body is an equilateral triangle. The three side surfaces of the cylindrical body are respectively two display colors, and the cylindrical body is made of translucent material and nontransparent material with a light color. A controller respectively controls each pen segment to be rotated by 0 DEG or about 120 DEG according to the shape characteristics and colors of digital characters to be displayed. One kind of color or the other kind of seven-segment code character is displayed on a display screen.

Description

The convertible seven segment code numerical character display device of pen section

The utility model is a kind of luminous, reflective dual-purpose convertible seven segment code numerical character display device of pen section that can dichromatism shows.

Present widely used its section of seven segment code numerical character display device is to form with light emitting diode (LED) dot matrix basically, this display mode has good display effect under darker or dark light condition, but under the bright light condition, owing to limit by lumination of light emitting diode brightness, display effect is bad, especially under the direct irradiation of sunlight condition, we can say at all and can't use that therefore the display device of this form is used down at bright light environment (for example: street, square, stadium etc.) and is very limited.And such display device can only show with a kind of color.

Adopt high-brightness LED can improve display effect, adopt color-changed LED can realize that dichromatism shows, but cost cost all very high (2-3 is doubly to plain edition LED), the material cost of LED array type display device and the size of its character area are closely related, material cost obviously increased when the character display size was big, so above-mentioned two kinds of schemes general occasion price when big character uses is difficult to accept.

Purpose of design of the present utility model provides a kind of good display effect that has under the bright light condition, display effect is also better under dark light condition, and can be with the seven segment code numerical character display device of two kinds of colors demonstrations.Because the design is made up of simple pen section electric driver, cheap plastics or an organic glass piece housing and built-in light source, material cost is comparatively cheap, especially when character size increases, the material cost rate of increase is not high, when the character display size is bigger, the design's the cost of raw material not only is lower than high brightness type and color changing type LED like product, and is lower than general LED type like product.

The type matrix of each character display of this display device is formed the seven segment code structure by seven segment units by the form of arabic numeral " 8 ", each Duan Weiyi cross section is an equilateral triangle, in three sides two faces respectively by two kinds of different colours (hereinafter to be referred as the A look, the B look) trnaslucent materials, another routine face is the hollow cylinder that display screen background color opaque material is made, one end of cylinder is installed on the spring bearing, the other end is connected in device of rotation driving, the characteristic that controller presents on each section according to the body characteristics and the color of numerical character to display (shows or does not show, show that look A still shows look B) control each section drive unit do 0 degree or ± 120 degree rotate, and present the numerical character of a kind of color (A look) or another kind of color (B look) seven segment code form on display device.

At the built-in light source of pen section hollow cylinder, light source did not work when ambient light was bright, and display device is worked in reflective mode, started light source when light is dark, display device makes it that good display effect still all arranged under the dark surrounds condition under the bright light condition with illumination mode work.

Describe the design's concrete structure and technical characterictic in detail below in conjunction with drawings and Examples.

Fig. 1 is the structural representation of the seven segment code type matrix that is made of seven segment units.

Fig. 2 is the principle schematic of a segment unit inner structure.

Fig. 3 is structure, the principle schematic of rotary spacing, current limliting and returning device.

Fig. 4 is the schematic diagram of drive motor control circuit.

The seven segment code charcter topology figure of Fig. 5 for constituting by 13 segment units.

Embodiment 1.

This example is a giant-screen electronic digit display screen, every screen is made up of two characters, being applied to traffic intersection traffic lights conversion countdown shows, this class device of the LED type of present more use between the lights, display effect is better under night or the dark environment such as overcast and rainy, but under sunny weather, bright light environments condition especially under direct irradiation of sunlight display effect good inadequately, even do not see Chu at all.This display screen of this example is and addresses this problem and design, this display screen not only all has good display effect under bright and dark surrounds condition, but also it is can be simultaneously synchronous with the variation of traffic lights aspect two of time and colors, be that red light shows red glyphs when bright, show green character when green light is bright.

The type matrix structure of two character display is the seven segment code type matrix structures (as shown in Figure 1) that are made of seven segment units on this routine screen, wherein each segment unit is that a cross section is an equilateral triangle, three sides are identical hexagonal hollow cylinder, hexagon constitutes by the rectangle at middle part with at two isosceles right triangles of rectangular two short brinks splicing, each section width equates, its length is decided according to the fat or thin needs of font height, make by transparent plexiglass plate three sides, and two show that side and background color face paste respectively to make the redness that the lamp box advertisement is used, green lamp house cloth and opaque background color PVC plate.(distance L between any two segment units of seven section type matrixes of formation should be greater than 1/4th of pen section width W, and promptly L 〉=W/4 rotates otherwise influence.) characteristic that on each section, presents according to the body characteristics and the color of numerical character to display of controller (show or do not show, show red still show green) zero or positive and negative control signal of each section output to it, control each section drive unit do 0 degree or ± 120 degree rotate, and present the numerical character of redness or green seven segment code form on display screen.

The inner structure of each of each character segment unit is identical, Fig. 2 has described the concrete structure of each segment unit, three side surfaces are fixed on and enclose the rotatable external shell that constitutes the pen section on upper and lower two " Y " font skeletons, the center of the upper skeleton (1) of piece housing is installed on the bearing (2) on the pen section upper end back shaft (3), and the center fixation of a piece housing lower skeleton (6) is on the output shaft of device of rotation driving.

Device of rotation driving by drive direct current generator (14), return hairspring (8), rotary spacing device (13) and on positive and negative to spacing (7) (11), drive unit capsul (16) and be fixed on the shell and form to spacing current limiting switch (9) (10) to the spacing closed type that respectively becomes 120 degree is positive and negative with positive and negative.Drive motor is fixed on the following end support (15) of pen section with capsul, return hairspring center-side is fixed on the motor output shaft (17), the outer end is fixed on the seal casinghousing of drive unit with the hairspring spud pile (12) of band adjustable screw, along with motor shaft ± 120 degree rotate return hairspring diastole or contractions, produce countermoment.Regulate hairspring outer end length during installation, make its each piece housing background color face, make the virgin state under the no drive signal effect be show state not towards display the place ahead.Just, negative sense current limliting limit switch is fixed on the drive unit seal casinghousing, just have, the spacing stop of negative sense is fixed on the output shaft of motor, along with ± 120 degree rotations are done in the rotation of motor shaft, stop after touching the current limliting limit switch, control contact P when controller is exported zero control signal to a certain pen section, N all disconnects, motor does not have driving voltage, do not rotate, this piece housing is transfixion under the effect of the static moment of return hairspring, be previous status, i.e. show state not, when controller is exported positive control signal to this section, control contact P admittance, motor is driven by big positive current, piece housing overcomes hairspring resistance forward quick rotation, forward was spacing when rotation 120 was spent contacts with the spacing current limiting switch of forward, rotation stops, current limiting switch is touched and is disconnected simultaneously, bigger drive current is limited by current-limiting resistance R, select suitable R value, one can produce the electric current that is slightly larger than return hairspring opposing torque and keep a piece housing and make it present the show state of a kind of color (being made as redness) in this position.Controller is exported the negative sense control signal to this section when needs show with another kind of color, the N admittance, and principle is identical with forward control, is direction of rotation, and this moment, this section presented the i.e. show state of green of another color.When controller during once more to this section output zero control, electricity drives and disappears, and the countermoment of return hairspring drives a piece housing and is turned back to virgin state, and its structure, principle such as Fig. 3 are shown in Figure 4.

Pen section upper end is equipped with light source base (4) on back shaft (hollow, with the live wire) termination, puts an elongated energy-saving fluorescent lamp (5), and light source did not work when ambient light was bright, starts light source when ambient light is dark, and display device is with luminous working method.

Pen section drive motor is a direct current generator, and the return hairspring forms with carbon steel wire dish coiling 3-5 circle.

Embodiment 2.

This example is a large-scale digital display electronic clock display screen.Display screen is made up of six character cells, and one group of per two character are when showing respectively, minute, second.Be applied to the time showing of open decks such as station, airport, harbour.For making the character display image complete attractive in appearance, this routine seven segment code type matrix is pressed Fig. 5 form with 13 rectangle segment units and is formed, seven rectangular elements 18 wherein, 19,20,21,22,23,24 as basic segment unit formation seven segment code type matrix, six square shaped cells 25,26,27,28,29,30 place each elementary cell contact place as auxiliary unit, auxiliary unit is replenished its vivid imperfection when basic segment unit constitutes the seven segment code numerical character, for example elementary cell 19, it is short up and down when constituting numeral " 1 " that 20 are the demonstration state, in with disconnected, font is imperfect, this seasonal auxiliary unit 26,26,27 are the demonstration state replenishes, and then an image complete " 1 " displays.The inner structure of each segment unit and control principle and example 1 are identical in this example.

Claims (3)

1. convertible seven segment code numerical character display device of pen section that can show with two kinds of colors, the type matrix of each character display of display device is made up of by the version of arabic numeral " 8 " seven segment units, allow each segment unit be respectively to show or show state not according to the body characteristics of character to display, thereby form ten arabic numeral of 0-9 and some simple English characters, it is characterized in that: each segment unit is that a cross section is an equilateral triangle, two sides are by two kinds of different look materials that show in three sides, the another side is by the hollow cylinder that surrounds with the homochromy material of display screen background color, one " Y " shape skeleton (1) (6) is respectively put at the cylinder two ends, one end skeleton is connected in spring bearing, other end skeleton is connected on the device of rotation driving, device of rotation driving is by can (16), drive direct current generator (15), return hairspring (8), ± 120 degree rotary spacing devices (13) and closed type are just, the spacing current limiting switch of negative sense (9) (10) is formed, return hairspring center-side is fixed on the motor output shaft, the outer end is fixed on the seal casinghousing of drive unit with the spud pile (12) of the screw of band scalable hairspring length, make its along with motor shaft ± 120 degree rotate and diastole or contraction, produce countermoment, make the pen section when losing drive signal, be turned back to original state, the characteristic that controller presents on each section according to the body characteristics and the color of character to display (shows and does not still show, show with which kind of color) control each section drive unit do 0 degree or ± 120 degree rotate, and present the seven segment code character of one or another kind of color on display screen.

2. the convertible seven segment code numerical character display device of pen section according to claim 1, it is characterized in that: make for showing the look light transmissive material the two demonstration sides that constitute pen section hollow cylinder, the background color side is that light-proof material is made, put a light source on pen section back shaft (3) termination in the pen section hollow cylinder, light source did not work when ambient light was bright, display device is worked in reflective mode, starts light source when ambient light is dark, and display device is with illumination mode work.

3. the convertible seven segment code numerical character display device of pen section according to claim 1, it is characterized in that: the seven segment code type matrix is made up of 13 rectangle segment units, wherein seven rectangular elements (18), (19), (20), (21), (22), (23), (24) constitute the seven segment code type matrix as basic segment unit, six square shaped cells (25), (26), (27), (28), (29), (30) place the mutual contact of each elementary cell place as auxiliary unit, when elementary cell constitutes the seven segment code numerical character its vivid imperfection are replenished.

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