CN2376618Y - Double-colour slit of light display device - Google Patents
Double-colour slit of light display device Download PDFInfo
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- CN2376618Y CN2376618Y CN 99224349 CN99224349U CN2376618Y CN 2376618 Y CN2376618 Y CN 2376618Y CN 99224349 CN99224349 CN 99224349 CN 99224349 U CN99224349 U CN 99224349U CN 2376618 Y CN2376618 Y CN 2376618Y
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- Prior art keywords
- circuit
- light emitting
- double
- luminotron
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Abstract
The utility model relates to a display with a double-colour slit of light. A double-colour light emitting circuit comprises a plurality of double-colour light emitting sections, and each section is composed of two light emitting tubes of different light colours, wherein, the two light emitting tubes are connected in series with each other, and the midpoint between the two light emitting tubes which are connected in series is connected with the output terminal of a drive circuit. In each section, the positive electrode of one light emitting tube is connected with the output terminal of an auxiliary power circuit, and the negative electrode of the light emitting tube of the other light color is connected with a common ground. The drive circuit which corresponds to the light emitting circuit is composed of a plurality of operational amplifying circuits, the inverse input terminals of the operational amplifying circuits are respectively connected with electric contact probes in order through electric cables, and the non-inverting input terminals of the operational amplifying circuits are connected with the midpoint between divider resistors R1 and R2 which are connected in series; the other terminal of the R1 is connected with the output terminal of a main power supply circuit, and the other terminal of the R2 is connected with the common ground.
Description
The utility model relates to a kind of double-colored light band display, belongs to the electronic instrument field.
The light belt escope is applied to instrument and meter for automation in developed country's widespread use.The LED light band display of China's exploitation for many years all is single photochromic, no bias light, and size is little, brightness is low, and when judging measured value with the full journey or the difference at zero point, the information that provides not as double-colored light band display is many, quality good; Aspect the characteristics of outstanding light belt type instrument, also more directly perceived, vivid, distinct not as double-colored light band display.Utility model patent 94229382.7 double-colored light beam display instruments, it is a kind of general bi-coloured light banding pattern Displaying Meter, but there is following deficiency in it: power supply is fixed stably voltage source, what drive is machine-made LED dual color light emitting device, transformable scopes such as the brightness of display, size, pattern are little, limited application; Power circuit is what to separate with display, and unreasonable structure is used inconvenient; The narrow range that adapts to input signal, and cost height.
The purpose of this utility model provide a kind of general, have plasticity and the wide double-colored light band display of range of variations, it can make up simply, easily, makes various different sections, precision, brightness, the double-colored light belt display device of different shape, size; It can cooperate with the senser element of low price and select general components and parts cheaply and manufacturing process for use, realizes its function, reaches high cost performance.
The utility model is achieved in that
The double-colored light belt display circuit of electric contact type is made up of dual color light emitting circuit, driving circuit, main power circuit and auxilliary power circuit.Described dual color light emitting circuit contains some dual color light emitting sections, every section two kinds of photochromic different luminotrons by mutual series connection are formed, the mid point of two kinds of luminotron series connection connects the output terminal of driving circuit, a kind of luminotron positive pole of every section links and assists the output terminal of power circuit, and every section photochromic luminotron negative pole of another kind links publicly.Described driving circuit is corresponding with above-mentioned illuminating circuit to be made of some discharge circuits, and its each amplifier inverting input joins by cable order and electric contact probe respectively, and each normal phase input end of amplifier is connected on divider resistance R
1And R
2The mid point of series connection, R
1The output terminal of another termination main power circuit, R
2The public ground of another termination.Described primary power is a drive circuitry, and described auxilliary power supply is the photochromic power supply of light belt background.
Double-colored light band display of simulating signal formula and above-mentioned electric contact type circuit are basic identical, and difference is that the inverting input of each amplifier of driving circuit is connected on resistance R respectively in proper order
1-R
nAnd RP
1, PR
2On each mid point that is in series, linked divider resistance or directly meet signal input part IN of the normal phase input end of each amplifier.
The one side of described display wiring board is provided with one or an annular dual color light emitting band, and another side or side are provided with drive circuit board, two adjustable voltage stabilizers and gang socket, and transparent face mask covers on the luminous zone, also can not establish this cover.
The utlity model has following characteristics: it cooperates (1) with corresponding sensor, photochromic with two kinds an of light belt, simulation shows tested physical parameter, wherein a kind of photochromic representative measured value, another kind is a background, has characteristics directly perceived, vivid, distinct, attractive in appearance, that the visual angle is wide, brightness is high, viewing distance is far away; Its photochromic double-colored demonstration of having powerful connections is more suitable for people's physiology and psychological characteristic; (2) all electronic structure, adopt paster components and parts and technology manufacturing, little, in light weight, low in energy consumption, no mechanical motion of volume and wearing and tearing, response speed soon, noninertia, do not vibrated and the influence of jolting, diamagnetic, anti-interference, overload-resistant, endurance, the life-span is long, reliability is high, demonstration is stable; (3) aspect observing the judgement measured value and expiring the journey or the difference at zero point, can provide more, better information than monochromatic light band display; (4) can make different sections, precision, brightness simply, easily, difformity, size, the double-colored light band display of varying input signal and different photochromic collocation, less input and retrofit; (5) can with the sensor adapted of low price, revise the sensor unintentional nonlinearity indirectly, reach linear indication; What (6) select for use is general components and parts cheaply and technology, has high cost performance.
Fig. 1 is the double-colored light belt display circuit of electric contact type.
Fig. 2 is the double-colored light belt display circuit of simulating signal formula.
Fig. 3 is double-colored light band display circuit board structure synoptic diagram.
Accompanying drawings provides following embodiment:
See Fig. 3, the one side of display wiring board (1) is provided with one or an annular dual color light emitting band (2), an another side or a side are provided with drive circuit board (3), two adjustable voltage stabilizers (4) and gang socket (5), and transparent face mask (6) covers on the luminous zone (2), also can not establish this cover.
Type by receiving inputted signal can be divided into electric contact type and two kinds of double-colored light band displays of simulating signal formula.
The double-colored light belt display circuit of electric contact type is seen Fig. 1.Double-colored light belt contains plurality of sections dual color light emitting section.Form LED by each 1 two kinds of being in series (red, green or other are photochromic) luminotron or luminescence chip for every section
1-20Be a kind of luminotron, LED
21-40Be another kind, LED
1And LED
21Constitute a luminescence segment, the rest may be inferred by analogy for it.The mid point of two kinds every section photochromic luminotron series connection connects the output terminal of driving circuit LM324; The positive pole of every section one and the luminotron one group of adjustable stabilized voltage supply output terminal that links; Every section photochromic luminotron negative pole of another kind links publicly.The driving circuit IC of display
1-5Be four high guaily unit integrated circuit LM324, its each amplifier inverting input, promptly 2,6,9,13 pin join J by cable order and electric contact probe respectively
1-20Be contact.Each normal phase input end of amplifier, promptly 3,5,10,12 pin are connected on divider resistance R
1And R
2The mid point of series connection, R
1The other end, connect another the group IC
62 pin of adjustable stabilized voltage supply, R
2The public ground of another termination.The output terminal of each amplifier, promptly 1,7,8,14 pin connect the mid point that two kinds every section photochromic luminotrons of light belt are connected in proper order.Adjustable voltage stabilizer IC
6, IC
7Be LM317, it and resistance R
3, R
4, RP
1, RP
2, capacitor C
1, C
2Constitute two groups of adjustable mu balanced circuits, wherein one group of IC
6Claim primary power, be the LM324 power supply; Another organizes IC
7Claim auxilliary power supply, the photochromic power supply that provides of light belt background is provided, connect each section of light belt luminotron positive pole end that links.
The double-colored light belt display circuit of simulating signal formula is seen Fig. 2.Double-colored light belt contains plurality of sections dual color light emitting section, is made of IC LED1-104
1-13 is driving circuit.Structures such as double-colored light belt, adjustable stabilized voltage supply, driving circuit are identical with above-mentioned electric contact type all, and just input circuit is variant.Its structure is such: each inverting input of LM3234, promptly 2,6,9,13 pin are connected on R respectively in proper order
1-R
51With and RP
1, RP
2On each mid point that is in series, RP
1Middle termination primary power output terminal 2 pin, RP
2The public ground of in addition termination.Each normal phase input end of LM324, i.e. 3,5,10,12 pin, linking is connected to the mid point that resistance R 55 and R56 are in series, the input of the termination signal in addition IN end of R55, the public ground of another termination of R56; Under other plants situation, also can not establish this two resistance, the IN signal is directly in each normal phase input end that links.
The luminotron of described illuminating circuit, it also can be luminescence chip, every section luminotron or number of chips equate, can respectively be 1 or many series connection, two kinds of photochromic one of difference are signal colouration, another is a background colour, when selecting different light belt hop count amounts for use, can determine exploration on display resolution ratio and precision, thereby make different size, the double-colored light band display of model, select every section two kinds of quantity that luminotron is in series of light belt for use, the geometric positions of size, distribution etc. can be made into difformity, the double-colored light band display of size and brightness.
Resistance between described driving circuit inverting input is except that the adjustable resistance at two ends, resistance normally equates, change the wherein resistance of some resistance, can revise the non-linear of input signal indirectly, also promptly revise some low-grade sensor unintentional nonlinearity, thereby reach the linearity indication of display.Change or adjust the adjustable resistance resistance at two ends, can change the voltage threshold of this circuit, thereby make display can adapt to different input signals.Change two resistances that are connected to the driving circuit normal phase input end, also can make display adapt to different input signals.
Claims (3)
1. double-colored light band display, it is characterized in that forming by dual color light emitting circuit, driving circuit, main power circuit and auxilliary power circuit, described dual color light emitting circuit contains some dual color light emitting sections, every section two kinds of photochromic different luminotrons by mutual series connection are formed, the mid point of two kinds of luminotron series connection connects the output terminal of driving circuit, a kind of luminotron positive pole of every section links and assists the output terminal of power circuit, and every section photochromic luminotron negative pole of another kind links publicly.Described driving circuit is corresponding with above-mentioned illuminating circuit to be made of some discharge circuits, and its each amplifier inverting input joins by cable order and electric contact probe respectively, and each normal phase input end of amplifier is connected on divider resistance R
1And R
2The mid point of series connection, R
1The output terminal of another termination main power circuit, R
2The public ground of another termination.Described primary power is a drive circuitry, and described auxilliary power supply is the photochromic power supply of light belt background.
2. a kind of double-colored light band display according to claim 1 is characterized in that the inverting input of described each amplifier of driving circuit is connected on resistance R respectively in proper order
1-R
nAnd RP
1, PR
2On each mid point that is in series, linked divider resistance or directly meet signal input part IN of the normal phase input end of each amplifier.
3. a kind of double-colored light band display according to claim 1 and 2 is characterized in that the luminotron of described illuminating circuit, also can be luminescence chip, every section luminotron or number of chips equate, can respectively be 1 or many series connection, two kinds of photochromic one of difference be signal colouration, and another is a background colour.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99224349 CN2376618Y (en) | 1999-07-05 | 1999-07-05 | Double-colour slit of light display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99224349 CN2376618Y (en) | 1999-07-05 | 1999-07-05 | Double-colour slit of light display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2376618Y true CN2376618Y (en) | 2000-05-03 |
Family
ID=34014414
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 99224349 Expired - Fee Related CN2376618Y (en) | 1999-07-05 | 1999-07-05 | Double-colour slit of light display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2376618Y (en) |
-
1999
- 1999-07-05 CN CN 99224349 patent/CN2376618Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| 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 |