CN107120567A - Plate illumination system and financial self-service equipment before one kind - Google Patents
Plate illumination system and financial self-service equipment before one kind Download PDFInfo
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- CN107120567A CN107120567A CN201710348548.9A CN201710348548A CN107120567A CN 107120567 A CN107120567 A CN 107120567A CN 201710348548 A CN201710348548 A CN 201710348548A CN 107120567 A CN107120567 A CN 107120567A
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- illumination system
- light intensity
- control unit
- luminous lamp
- display screen
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- 238000005286 illumination Methods 0.000 title claims abstract description 46
- 238000001514 detection method Methods 0.000 claims abstract description 12
- 230000007613 environmental effect Effects 0.000 claims abstract description 7
- 230000008859 change Effects 0.000 claims description 10
- 238000006243 chemical reaction Methods 0.000 claims description 9
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 230000005611 electricity Effects 0.000 claims 1
- 230000007812 deficiency Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000000151 deposition Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 241001269238 Data Species 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000005622 photoelectricity Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S8/00—Lighting devices intended for fixed installation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V19/00—Fastening of light sources or lamp holders
- F21V19/001—Fastening of light sources or lamp holders the light sources being semiconductors devices, e.g. LEDs
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/003—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/02—Arrangement of electric circuit elements in or on lighting devices the elements being transformers, impedances or power supply units, e.g. a transformer with a rectifier
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V33/00—Structural combinations of lighting devices with other articles, not otherwise provided for
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The invention belongs to finance device field there is provided plate illumination system before one kind and financial self-service equipment, before plate illumination system be applied to financial self-service equipment, the financial self-service equipment include with display screen front panel, it is described above plate illumination system include：Luminous lamp strip, is arranged on the front panel and relative with the display screen；Light intensity sensing unit, detection environmental light intensity and output intensity electric signal；Control unit, is connected with the luminous lamp strip and the light intensity sensing unit, the luminosity of the luminous lamp strip is adjusted according to the light intensity electric signal, and/or adjust the backlight illumination of the display screen.By setting luminous lamp strip, and detect environmental light intensity to control the luminosity of luminous lamp strip or the backlight illumination of display screen, it is to avoid because of exist inconvenient for use of brightness of illumination deficiency and the problem of bring potential safety hazard.
Description
Technical field
The invention belongs to plate illumination system before technical field of financial equipment, more particularly to one kind and financial self-service equipment.
Background technology
At present, traditional finance device, such as ATM (Automatic Teller Machine, ATM), before it
Plate does not install illuminator, in the case where ambient is too strong, is only provided by the screen of equipment in itself for its front panel
Illumination, user is difficult to see the content shown on front panel screen or button clearly；Further, since typically all being needed using finance device
The image information of record user is shot using itself camera, only photograph is provided by the screen of equipment in itself for its front panel
It is bright, also it is not enough to provide light intensity required when taking pictures.
Therefore, exist in traditional finance device because brightness of illumination deficiency is brought inconvenient for use and can not clearly record and makes
The problem of user's information band carrys out potential safety hazard.
The content of the invention
It is an object of the invention to provide plate illumination system before one kind, it is intended to solves to illuminate in traditional finance device bright
The problem of spending the inconvenient for use of not enough presence and bring potential safety hazard.
Plate illumination system before one kind, applied to financial self-service equipment, the financial self-service equipment includes having display screen
Front panel, it is described above plate illumination system include：
Luminous lamp strip, is arranged on the front panel and relative with the display screen；
Light intensity sensing unit, detection environmental light intensity and output intensity electric signal；
Control unit, is connected with the luminous lamp strip and the light intensity sensing unit, is adjusted according to the light intensity electric signal
The luminosity of the luminous lamp strip, and/or adjust the backlight illumination of the display screen.
Preferably, described control unit sets light modulation of multiple luminous lamp strips etc. according to the size of light intensity electric signal
Level.
Preferably, described control unit drives the luminous lamp strip with PWM ripples, and multiple light adjusting grades are multiple default
PWM ripple dutycycles.
Preferably, the luminous lamp strip is located above the display screen, or encloses located at the display screen peripheral.
Preferably, the light intensity sensing unit includes a photo resistance and the analog-to-digital conversion core being connected with the photo resistance
Piece, the modulus conversion chip is connected with described control unit.
Preferably, in addition to Pedestrian flow detection unit, it includes a transmitting terminal and a receiving terminal；The transmitting terminal and described
Receiving terminal is connected with described control unit, and is separately positioned on walkway both sides；Described control unit is with the receiving terminal
Pressure drop size judges whether that someone passes through the walkway.
Preferably, the transmitting terminal is infrared transmitting tube, and the receiving terminal includes the photosensitive triode of two NPN types, institute
State control unit and stream of people direction is judged with the change in pressure drop of two photosensitive triodes.
Preferably, the Pedestrian flow detection unit also includes a variable resistance and an operational amplifier, and the computing is put
The normal phase input end of big device connects the colelctor electrode of the photosensitive triode, and the reverse input end of the operational amplifier connects described variable
The moving plate pin of resistor, the output termination described control unit of the operational amplifier, two of the variable resistance are fixed
A piece-root grafting power supply in piece pin, another piece-root grafting.
Preferably, described control unit is single-chip microcomputer.
In addition, additionally provide a kind of financial self-service equipment, including body, the front panel on body and it is arranged on before this
Display screen on panel, and it is above-mentioned before plate illumination system.
Plate illumination system is by setting luminous lamp strip before above-mentioned, and detects environmental light intensity to control the hair of luminous lamp strip
The backlight illumination of brightness or display screen, provides enough brightness of illuminations to see clearly on display screen and operation keyboard for user
Information, while also can provide enough light intensity to shoot record, it is to avoid because of the inconvenient for use of the not enough presence of brightness of illumination and
The problem of bringing potential safety hazard.
Brief description of the drawings
Fig. 1 provides financial self-service equipment structural representation for present pre-ferred embodiments；
Fig. 2 for present pre-ferred embodiments provide before plate illumination system structural representation；
Fig. 3 be shown in Fig. 2 before in plate illumination system light intensity sensing unit unit exemplary circuit schematic diagram；
Fig. 4 is the schematic diagram that photovoltage and the relation curve of illuminance are fitted using interpolation method；
The exemplary circuit schematic diagram for the Pedestrian flow detection unit that Fig. 5 provides for present pre-ferred embodiments.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
Referring to Fig. 1, in the embodiment of the present invention financial self-service equipment include body 11, and on body 11 before
Plate 12, and the display screen 13 of the front panel 12 is set, and it is arranged on operation of the front panel 12 positioned at the lower section of display screen 13
Keyboard and depositing and drawing port 14, and be arranged on the camera 15 of the top of the front panel 12, and be arranged on the front panel 12 and be located at
The anti-sight glass 16 of the top of display screen 13.
Referring to Fig. 2, plate illumination system is applied to financial self-service equipment, front panel before in present pre-ferred embodiments
Illuminator includes luminous lamp strip 17, light intensity sensing unit 18 and control unit 19.
Luminous lamp strip 17 is arranged on front panel 12 and relative with display screen 13.In the present embodiment, luminous lamp strip 17 is used
Printed circuit board (PCB) is fixed on front panel 12 by the LED lamp source of energy-conserving and environment-protective, LED lamp source after fixing on a printed circuit.
Specifically, luminous lamp strip 17 is arranged on the top of display screen 13, between display screen 13 and anti-sight glass 16, can be to display
Screen 13, operation keyboard and depositing and drawing port 14 provide light filling illumination.In other embodiments, luminous lamp strip 17 is enclosed located at display screen
13 peripheries.
Fig. 2 and Fig. 3 are referred to, light intensity sensing unit 18 is used to detect environmental light intensity and output intensity electric signal.Light intensity sense
Unit 18 is answered to include a photo resistance R1 and the modulus conversion chip U2 being connected with photo resistance R1, modulus conversion chip U2 and control
Unit 19 processed is connected.Specifically, the termination power VCC of photo resistance R1 mono-, the other end is grounded by a divider resistance R2, meanwhile,
Input of the other end also with modulus conversion chip U2 is connected, and modulus conversion chip U2 is by light intensity electric signal output to control module
19。
According to the light characteristics of photo resistance, its optical signal can be changed into the telecommunications of respective change by analog-to-digital conversion
Number.Photo-resistor to the sensitiveness (i.e. spectral characteristic) of light and human eye to the response of visible ray (0.4~0.76) μm very close to,
As long as the light that human eye can be experienced, it can all cause its change in resistance.When designing light-operated circuit, all with incandescent lamp bulb (bulb) light
Line or available light make control light source, make design greatly simplified.The light characteristics of the photo resistance telecommunications that both photo resistance is exported
Number characteristic changed with illuminance.The increase with intensity of illumination, light are can be seen that from the light characteristics curve of photo resistance
The resistance of quick resistance starts rapid decline.If further increasing intensity of illumination, resistance change reduces, and then gradually tends to flat
It is slow.In most cases, the characteristic is non-linear.
Fig. 1 and Fig. 2 are referred to, control unit 19 is connected with luminous lamp strip 17 and light intensity sensing unit 18, control unit 19
The luminosity of luminous lamp strip 17 is adjusted according to light intensity electric signal, and/or adjusts the backlight illumination of display screen 13.
Demarcated by illumination photometer, photovoltage value is scaled illuminance value.Need not be by all illumination datas of illumination photometer
Fitting completely, it is only necessary to fitting higher than the threshold value of extraneous light intensity illumination data, it is necessary to by obtained photovoltage and illuminance
Relation curve segmentation carries out linear fit, in order to understand screen display, and Linear Quasi is carried out using Lagrange interpolation methods
Close.Lagrange interpolation is polynomial of degree n interpolation, its successfully with construction Interpolation-Radix-Function method solve ask n times it is multinomial
Formula interpolating function problem.Its basic thought is that polynomial of degree n interpolating function pn (x) to be asked is rewritten into another expression side
Formula, recycles interpolation condition to determine unJeiermined function therein, so as to obtain interpolation polynomial, refers to Fig. 4.
In a preferred embodiment, control unit 19 sets multiple luminous lamp strips 17 according to the size of light intensity electric signal
Light adjusting grade.Specifically, control unit 19 drives luminous lamp strip 17 with PWM ripples, and multiple light adjusting grades are multiple default PWM
Ripple dutycycle.
Specifically, control unit 19 be single-chip microcomputer, control unit 19 using I/O mouthful send out PWM ripples, by change dutycycle come
Change the average current of output.I/O mouthfuls of sending and receiving optical diodes, bright dark degree is changed with this.Interrupting generation using timer 0 can be with
Change the PWM ripples of dutycycle, the cycle of PWM ripples is used as using 200 timer interruption cycles.Often enter a T0 interruption, it is right
Intcount is counted.When intcount count down to dutyfactor value PWMduty (1 to 200), to PWM output pins P1 ... P1^
0 changes output state, when intcount count down to 200, resets the output for both having completed a PWM cycle.
In application process, several different light adjusting grades can be set according to the power of outside illuminance.Pass through again
PWM ripples are controlled, and the brightness of lamp is occurred light and shade change.In specific improve, light modulation is divided into N number of grade by me, passes through photoelectricity
Pressure is quantified both OptInit=OptInit/N (photovoltage is divided into N grades).
Photovoltage light modulation coefficient is as follows：
if(OptVlotage>=(OptInit*N)) LightOpt=1
else if(OptVlotage>=(OptInit* (N-1))) LightOpt=2；
else if(OptVlotage>=(OptInit* (N-2))) LightOpt=3；
In a preferred embodiment, referring to Fig. 5, above plate illumination system also includes Pedestrian flow detection unit, the stream of people
Amount detection unit includes a transmitting terminal 21 and a receiving terminal 22；Transmitting terminal 21 and receiving terminal 22 are connected with control unit 19, and point
Walkway both sides are not arranged on；Control unit 19 judges whether that someone passes through walkway with the pressure drop size of receiving terminal 22.
For example, transmitting terminal 21 and receiving terminal 22 are correspondingly arranged at bank doorway.Transmitting terminal 21 is infrared transmitting tube D1, and receiving terminal 22 includes
The photosensitive triode M1 of two NPN types, control unit 19 judges stream of people direction with two photosensitive triode M1 change in pressure drop.
Pedestrian flow detection unit also includes an a variable resistance R3 and operational amplifier U3, the U3 positives of operational amplifier
Input IN+ connects photosensitive triode M1 colelctor electrode, and operational amplifier U3 reverse input end IN- connects the dynamic of variable resistance R3
A piece-root grafting power supply in piece pin, the output termination control unit 19 of operational amplifier, variable resistance R3 two stator pins
VCC, another piece-root grafting ground GND.
After tested, when nobody by when, partial pressure is about when infrared receiving tube (photosensitive triode M1) receives infrared
3.6V, on the contrary partial pressure increase is about 4.4V when not receiving infrared.Now by adjusting sliding electric rheostat partial pressure to 4V, with 4V
For a comparison voltage.When infrared receiving tube is blocked, partial pressure is increased to 4.4V more than 4V, i.e. operational amplifier OP07 to list
Piece machine exports a high level.Conversely, when not blocking, a low level is exported to single-chip microcomputer.
So using infrared tube partial pressure properties and comparator the characteristics of can realize number detection function.Both when having
When people enters or gone out, small one and large one two infrared receiving tubes are blocked first, then with the movement of human body, according to thing
That has first demarcated enters outgoing direction, and transmitting tube is both first received by judging that the comparator of which reception pipe connection first produces low level
Infrared light, it can be determined that people's enters outgoing direction, so as to be detected to number.
Plate illumination system is by setting luminous lamp strip 17 before above-mentioned, and detects environmental light intensity to control luminous lamp strip 17
Or the luminosity of display screen 13, provide enough brightness of illuminations to see clearly in display screen 13 and operation keyboard for user
Information, while also enough light intensity can be provided to shoot record, it is to avoid the inconvenient for use and band existed by brightness of illumination deficiency
The problem of carrying out potential safety hazard.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
Any modifications, equivalent substitutions and improvements made within refreshing and principle etc., should be included in the scope of the protection.
Claims (10)
1. plate illumination system before one kind, applied to financial self-service equipment, the financial self-service equipment is included with display screen
Front panel, it is characterised in that the above plate illumination system includes：
Luminous lamp strip, is arranged on the front panel and relative with the display screen；
Light intensity sensing unit, detection environmental light intensity and output intensity electric signal；
Control unit, is connected with the luminous lamp strip and the light intensity sensing unit, according to light intensity electric signal regulation
The luminosity of luminous lamp strip, and/or adjust the backlight illumination of the display screen.
2. above plate illumination system as claimed in claim 1, it is characterised in that described control unit is according to light intensity electric signal
Size, sets the light adjusting grade of multiple luminous lamp strips.
3. front panel lighting system circuit as claimed in claim 2, it is characterised in that described control unit is driven with PWM ripples
The luminous lamp strip, multiple light adjusting grades are multiple default PWM ripples dutycycles.
4. above plate illumination system as claimed in claim 1, it is characterised in that the luminous lamp strip is located on the display screen
Side, or enclose located at the display screen peripheral.
5. above plate illumination system as claimed in claim 1, it is characterised in that the light intensity sensing unit includes a photosensitive electricity
Resistance and the modulus conversion chip being connected with the photo resistance, the modulus conversion chip are connected with described control unit.
6. above plate illumination system as claimed in claim 1, it is characterised in that also including Pedestrian flow detection unit, it includes
One transmitting terminal and a receiving terminal；The transmitting terminal and the receiving terminal are connected with described control unit, and are separately positioned on people's row
Passage both sides；Described control unit judges whether that someone passes through the walkway with the pressure drop size of the receiving terminal.
7. above plate illumination system as claimed in claim 6, it is characterised in that the transmitting terminal is infrared transmitting tube, described
Receiving terminal includes the photosensitive triode of two NPN types, and described control unit is sentenced with the change in pressure drop of two photosensitive triodes
Disconnected stream of people direction.
8. above plate illumination system as claimed in claim 7, it is characterised in that the Pedestrian flow detection unit can also including one
Variohm and an operational amplifier, the normal phase input end of the operational amplifier connect the colelctor electrode of the photosensitive triode, institute
The reverse input end for stating operational amplifier connects the moving plate pin of the variable resistance, the output termination institute of the operational amplifier
State a piece-root grafting power supply in control unit, two stator pins of the variable resistance, another piece-root grafting.
9. above plate illumination system as claimed in claim 1, it is characterised in that described control unit is single-chip microcomputer.
10. a kind of financial self-service equipment, including body, the front panel on body and the display being arranged on the front panel
Screen, it is characterised in that also including plate illumination system before described in any one of claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710348548.9A CN107120567A (en) | 2017-05-17 | 2017-05-17 | Plate illumination system and financial self-service equipment before one kind |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710348548.9A CN107120567A (en) | 2017-05-17 | 2017-05-17 | Plate illumination system and financial self-service equipment before one kind |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107120567A true CN107120567A (en) | 2017-09-01 |
Family
ID=59727347
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710348548.9A Pending CN107120567A (en) | 2017-05-17 | 2017-05-17 | Plate illumination system and financial self-service equipment before one kind |
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| Country | Link |
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| CN (1) | CN107120567A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107740946A (en) * | 2017-10-31 | 2018-02-27 | 武汉理工大学 | A kind of chain type Led lamp bars and its control method |
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