CN207065234U - 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
- Publication number
- CN207065234U CN207065234U CN201720550095.3U CN201720550095U CN207065234U CN 207065234 U CN207065234 U CN 207065234U CN 201720550095 U CN201720550095 U CN 201720550095U CN 207065234 U CN207065234 U CN 207065234U
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- China
- Prior art keywords
- illumination system
- light intensity
- control unit
- plate illumination
- luminous lamp
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Abstract
The utility model belongs to finance device field, provide plate illumination system and financial self-service equipment before one kind, above plate illumination system is applied to financial self-service equipment, and the financial self-service equipment includes the front panel with display screen, and the above plate illumination system includes：Luminous lamp strip, it 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, it is connected with the luminous lamp strip and the light intensity sensing unit, the luminosity of the luminous lamp strip, and/or the backlight illumination of the regulation display screen is adjusted according to the light intensity electric signal.By setting luminous lamp strip, and environmental light intensity is detected to control the backlight illumination of the luminosity of luminous lamp strip or display screen, avoid because inconvenient for use existing for brightness of illumination deficiency and the problem of bring potential safety hazard.
Description
Technical field
The utility model belongs to plate illumination system and self-service finance before technical field of financial equipment, more particularly to one kind and set
It is standby.
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 needed using finance device
The image information of itself camera shooting record user is utilized, only provides photograph 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.
Utility model content
The purpose of this utility model is to provide plate illumination system before one kind, it is intended to solves to shine in traditional finance device
It is inconvenient for use and the problem of bring potential safety hazard existing for lightness deficiency.
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, it 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, it 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 the backlight illumination of the regulation 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 are 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 before being arranged on 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, enough brightness of illuminations are provided for user to see clearly on display screen and operation keyboard
Information, while also can provide enough light intensity for shooting record, avoid because inconvenient for use existing for brightness of illumination deficiency and
The problem of bringing potential safety hazard.
Brief description of the drawings
Fig. 1 provides financial self-service equipment structural representation for the utility model preferred embodiment；
Fig. 2 is the structural representation of plate illumination system before the utility model preferred embodiment provides；
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；
Fig. 5 is the exemplary circuit schematic diagram for the Pedestrian flow detection unit that the utility model preferred embodiment provides.
Embodiment
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, below in conjunction with accompanying drawing and implementation
Example, the utility model is further elaborated.It should be appreciated that specific embodiment described herein is only explaining
The utility model, it is not used to limit the utility model.
Referring to Fig. 1, financial self-service equipment includes body 11 in the utility model embodiment, and on body 11
Front panel 12, and the display screen 13 of the front panel 12 is set, and be arranged on the front panel 12 and be located at the lower section of display screen 13
Operation keyboard and depositing and drawing port 14, and the camera 15 of the top of front panel 12 is arranged on, and it is arranged on the front panel 12
Anti- sight glass 16 above display screen 13.
Referring to Fig. 2, plate illumination system is applied to financial self-service equipment before in the utility model preferred embodiment, it is preceding
Face plate illumination system 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 uses
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 give 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 connects.Specifically, the termination power VCC of photo resistance R1 mono-, the other end are 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 response of the human eye to 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 exports
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 to decline rapidly.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, and/or the backlight illumination of regulation display screen 13 are adjusted according to light intensity electric signal.
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, and in order to understand screen display, 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, recycle interpolation condition to determine unJeiermined function therein, so as to obtain interpolation polynomial, refer 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 is single-chip microcomputer, control unit 19 using I/O mouths hair PWM ripples, by change dutycycle come
Change the average current of output.I/O mouth 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 to interrupt, 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 control, and make the brightness of lamp that light and shade change occur.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 shelves).
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 judge 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
Piece pin, the output termination control unit 19 of operational amplifier, a piece-root grafting power supply in 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 and is more than 4V, i.e. operational amplifier OP07 is 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 the comparator by judging which reception pipe connection first produces low level and both first receives transmitting tube
Infrared light, it can be determined that people's enters outgoing direction, so as to being 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, enough brightness of illuminations are provided for user to see clearly in display screen 13 and operation keyboard
Information, while also enough light intensity can be provided for shooting record, avoid because of inconvenient for use and band existing for brightness of illumination deficiency
The problem of carrying out potential safety hazard.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
All any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.
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, it 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, it 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 the backlight illumination of the regulation 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, the light adjusting grade of multiple luminous lamp strips is set.
3. above plate illumination system as claimed in claim 2, it is characterised in that described control unit is with described in the driving of PWM ripples
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 meet the colelctor electrode of the photosensitive triode, institute
The reverse input end for stating operational amplifier meets the moving plate pin of the variable resistance, the output termination institute of the operational amplifier
State control unit, a piece-root grafting power supply in 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 |
|---|---|---|---|
| CN201720550095.3U CN207065234U (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 |
|---|---|---|---|
| CN201720550095.3U CN207065234U (en) | 2017-05-17 | 2017-05-17 | Plate illumination system and financial self-service equipment before one kind |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207065234U true CN207065234U (en) | 2018-03-02 |
Family
ID=61504722
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720550095.3U Expired - Fee Related CN207065234U (en) | 2017-05-17 | 2017-05-17 | Plate illumination system and financial self-service equipment before one kind |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207065234U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107120567A (en) * | 2017-05-17 | 2017-09-01 | 深圳怡化电脑股份有限公司 | Plate illumination system and financial self-service equipment before one kind |
-
2017
- 2017-05-17 CN CN201720550095.3U patent/CN207065234U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107120567A (en) * | 2017-05-17 | 2017-09-01 | 深圳怡化电脑股份有限公司 | Plate illumination system and financial self-service equipment before one kind |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180302 |