CN106028576A - Intelligent light regulating touch-control-free LED operating shadowless lamp circuit control system - Google Patents
Intelligent light regulating touch-control-free LED operating shadowless lamp circuit control system Download PDFInfo
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- CN106028576A CN106028576A CN201610598068.3A CN201610598068A CN106028576A CN 106028576 A CN106028576 A CN 106028576A CN 201610598068 A CN201610598068 A CN 201610598068A CN 106028576 A CN106028576 A CN 106028576A
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- China
- Prior art keywords
- power supply
- shadowless lamp
- control system
- lamp circuit
- touch
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Classifications
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/50—Circuit arrangements for operating light-emitting diodes [LED] responsive to malfunctions or undesirable behaviour of LEDs; responsive to LED life; Protective circuits
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- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The invention relates to an intelligent light regulating touch-control-free LED operating shadowless lamp circuit control system comprising a power supply input device and a power supply processing device which is used for processing the power supply input device. The power supply processing device is connected with a microprocessing device and an electrification indicating device. A channel selection device, an operation indicating device, a fault detection device, a working state display screen and a noncontact key detection device are connected on the microprocessing device. The channel selection device is connected with an LED driving device which is connected with the power supply processing device. The intelligent light regulating touch-control-free LED operating shadowless lamp circuit control system has the advantages of being simple in structure, practical in function, high in anti-interference capacity, stable in performance, low-carbon and environment-friendly and intelligent in design.
Description
Technical field
The present invention relates to for operation shadowless lamp circuit control circuit, a kind of can intelligent dimming exempt from touch-control
LED operation shadowless lamp circuit control system.
Background technology
At present, general operation shadowless lamp is still based on halogen lamp, because its power is general all at about 150W, energy greatly
Consumption height, heating is big, visual area temperature rise, if doctor's head distance lamp is relatively near, of long duration, can be clearly felt that head temperature relatively
Height, especially brightness become apparent from when being adjusted too high, further, since typically only about 2000 hours Halogen light life-span, can it is frequently necessary to
More changing the bulb, make troubles to use, some hospitals have begun to progressively replace traditional halogen-type hands with LED operation shadowless lamp
Art shadowless lamp, it is high, energy-conservation that LED light source type operation shadowless lamp has luminous efficiency, life-span length (more than 30000 hours), because of it is
Cold light source, the advantages such as visual area temperature rise is little, but because its light modulation is typically controlled by PWM, there is certain frequency, some can be disturbed to carry
Having the medical apparatus of photographic head, occur that striped is run phenomenon, doctor's eyes are seen long afterwards, easily cause visual fatigue；On the other hand, often
The circuit of rule does not the most have intelligent dimming technology, if the head of doctor shelters from light close to light source, can cause field of operation
Territory brightness declines, and meanwhile, the lamp bead light source being blocked correctly is not utilized, and doctor's head also can produce some temperature rises；Further,
The light modulation of current almost all of shadowless lamp is all by being controlled by key control or touch screen, and such control is contact, because of button
Typically it is difficult to sterilization with touch screen, easily has antibacterial to remain, there is the risk of certain superinfection, and contact controls to exist
Certain life-span, particularly key type, having used rear button long can exist failure phenomenon.
Summary of the invention
The invention aims to overcome above deficiency, it is provided that a kind of simple in construction, practical function, capacity of resisting disturbance
By force, stable performance, low-carbon environment-friendly, design intelligentized can intelligent dimming exempt from touch-control LED operation shadowless lamp circuit control system.
The purpose of the present invention is achieved through the following technical solutions: the touch-control LED that exempts from of a kind of energy intelligent dimming performs the operation without shadow
Circuit for lamp control system, including power input with for processing the power supply processing means of power input, described power supply
Processing means is connected with micro treatmenting device and energization indicating device, and described micro treatmenting device connects channel selection device, fortune
Row instruction device, failure detector, duty display screen and contactless key detection device, described channel selection device
Being connected with LED drive device, described LED drive device is connected with power supply processing means.
Further improvement of the present invention is: connecting on described failure detector has LED lamp bead.
Further improvement of the present invention is: be also associated with obstacle detector on described micro treatmenting device.
The present invention compared with prior art has the advantage that
A. use whether obstacle sensor detection operative region blocks (such as: doctor's head, auxiliary therapeutic apparatus tool), if any screening
It is luminous that gear is automatically switched off shield portions lamp bead, improves remaining lamp bead brightness simultaneously；
B. conventional keys switch and touch screen button are replaced by retroreflective photoelectric sensor, it is achieved the cordless control of switch
System, it is to avoid contact, prevents the antibacterial from infecting；
C.LED lamp bead drives and uses current constant control, microprocessor send 50kHz high-frequency PWM impulse wave and add RC filtering technique in fact
Existing pure direct current light modulation, it is to avoid some medical photography equipment of strobe interference of lamp bead PWM brightness adjustment control, simultaneously to operator doctor's eye
Eyeball shields, and can effectively alleviate and use eyestrain；
D. circuit has anti-reverse defencive function, in the case of power positive cathode connects instead, will not burn lamp bead and circuit；
E. having lamp bead fault detection capability, when certain series bulb breaks down, display screen can provide alarm；
F.LED lamp bead uses multichannel individually to control and powers independently of one another, and the fault of any group of lamp bead will not cause other
Lamp bead fault；
G. having LCDs display relevant operating conditions information, such as: which meets barrier intelligent protection on the way, remaining brightness carries
High percentage ratio number, present intensity gear, current time, surgery duration, shadowless lamp net cycle time, bulb malfunction alarm
Deng；
H. this circuit design rationally, simple in construction, stable performance, capacity of resisting disturbance is strong.
Accompanying drawing illustrates:
Fig. 1 is the theory diagram of the present invention；
Fig. 2-5 is the electrical schematic diagram of the present invention；
Label in figure: 1-power input, 2-power supply processing means, 3-micro treatmenting device, 4-energization indicating device, 5-passage
Device, 6-is selected to run instruction device, 7-failure detector, 8-duty display screen, 9-obstacle detector, 10-
Contactless key detection device, 11-LED driving means, 12-LED lamp bead.
Detailed description of the invention:
In order to deepen the understanding of the present invention, below in conjunction with embodiment and accompanying drawing, the invention will be further described, this enforcement
Example is only used for explaining the present invention, is not intended that limiting the scope of the present invention.
As Fig. 1 to Fig. 5 show the present invention a kind of can intelligent dimming exempt from touch-control LED operation shadowless lamp circuit control system
Detailed description of the invention: include power input 1 and for processing the power supply processing means 2 of power input 1, described electricity
Source processing means 2 is connected with micro treatmenting device 3 and energization indicating device 4, and described micro treatmenting device 3 connects has channel selecting to fill
Put 5, run instruction device 6, failure detector 7, duty display screen 8 and contactless key detection device 10, described
Channel selection device 5 is connected with LED drive device 11, and described LED drive device 11 is connected with power supply processing means 2, described
Connect on failure detector 7 and have LED lamp bead 1, described micro treatmenting device 3 is also associated with obstacle detector 9.
Implement step: (seeing Fig. 2-5)
A. power supply is powered and is inputted by P1 port, and F1 is short circuit and overload protection, and TVS1 is Transient Suppression Diode, can absorb electricity
The instant high-voltage pulse in short-term on road, it is achieved anti-interference function
B.D1, D5-D7, D11-13, D17-18 are reverse connecting protection so that in the case of power supply connects instead, will not burn out circuit and lamp
Pearl, C1, C2, U1, L1, R1, D2, C3, C4, C6, TVS2, C7-C22 are power supply process part, after treatment, obtain stable
Control power supply and drive power supply
C.R1, D3 are energising instruction, and when power on is normal, light emitting diode D3 lights, and R3, D4 are for running instruction, when micro-place
When reason device is working properly, light emitting diode D4 lights
D.R7-9, R13-15, R26-27 are lamp bead fault detect resistance, and P3-10 is detection of obstacles interface, U11-13, U16 and
Its accessory circuit is contactless key press detecting circuit, altogether containing three detector units, it is achieved be similar to power supply, brightness increase and decrease switch
Function, when detection zone has object, sphere pattern sensor output high level, through over-voltage comparator, compare with setting value,
Output high level to microprocessor, otherwise output low level
E.U3 is microprocessor core chip centroid, and P2 is LCDs interface, uses serial ports and microprocessor communications, in order to show
Some status informations, R2, C5 be pwm signal conversion, U2, U4 be channel selecting, U5-10, U14-15 and accessory circuit thereof be LED
Drive circuit, P11-18 is LED lamp bead interface, and the luminance signal that micro-process sends delivers to channel selecting after conversion process,
It is then sent to drive, finally lights LED lamp bead.
The present invention is with AVR microprocessor as core, by gathering obstacle information before under shadowless lamp duty, Intelligent treatment
LED operation shadowless lamp internal LED light source bright secretly, for the position being blocked, close output, and the brightness at remaining position passed through
Calculate and improve so that the brightness of operative region is substantially unaffected, and reaches the effect of intelligent dimming；Brightness regulation uses uniqueness
Contactless key press detecting circuit realize, by sphere pattern sensor detection judge current state, when user is by hands
Refer to or other object place with button detection region in time, need not be in contact with it, microprocessor will identify, is i.e. equivalent to button
It is pressed or Touch control key triggers, it is achieved corresponding action；The control of LED luminance uses current constant mode to provide and drives power supply, micro-place
Reason device, according to the state of gear, sends the pwm signal of the highest different pulse duty factors of frequency, turns after resistance-capacitance coupling filters
It is changed to DC control signal, gives constant-current driving, obtain the pure light source without stroboscopic；The power supply of circuit is anti-through too much only preventing
The diode connect, drives to respectively microprocessor and LED multi-path and provides power supply, it is achieved that reversal connection protection function, the most also make
Many group LED lamp bead power supplys are independent of one another, the most unaffected, and often group LED lamp bead is all with fault detect, is sent by sample resistance
To microprocessor, it is judged that malfunction；Combined by resistance and light emitting diode, be connected to power supply respectively and process part and micro-process
I/O port achieves energising instruction and runs instruction；This external circuit is connected to duty display screen, by with microprocessor serial ports
Carry out communication, show relevant operating conditions information by serial ports display screen, such as: which passage meets barrier intelligent protection, remaining
The percentage ratio number that brightness improves, the event of present intensity gear, current time, surgery duration, shadowless lamp net cycle time, bulb
Barrier alarms etc., so facilitate user to obtain comprehensive circuitry operating conditions.
The present invention has that simple in construction, practical function, capacity of resisting disturbance be strong, stable performance, low-carbon environment-friendly, design are intelligent
Advantage, be particularly well-suited to various hospital and the update of beauty parlor's operation shadowless lamp.
The another statement of applicant, the present invention illustrates implementation method and the apparatus structure of the present invention by above-described embodiment,
But the invention is not limited in above-mentioned embodiment, i.e. do not mean that the present invention has to rely on said method and structure could be real
Execute.Person of ordinary skill in the field is it will be clearly understood that any improvement in the present invention, to implementation method selected by the present invention etc.
Effect is replaced and the interpolation of step, concrete way choice etc., within all falling within protection scope of the present invention and scope of disclosure.
The present invention is not limited to above-mentioned embodiment, all employings and analog structure of the present invention and method realizes the present invention
All modes of purpose, all within protection scope of the present invention.
Claims (3)
1. can intelligent dimming exempt from a touch-control LED operation shadowless lamp circuit control system, including power input (1) and use
In the power supply processing means (2) processing power input (1), it is characterised in that: described power supply processing means (2) and micro-process
Device (3) is connected with energization indicating device (4), and the upper connection of described micro treatmenting device (3) has channel selection device (5), operation to refer to
Showing device (6), failure detector (7), duty display screen (8) and contactless key detection device (10) are described logical
Road selects device (5) to be connected with LED drive device (11), and described LED drive device (11) is connected with power supply processing means (2).
The most according to claim 1 a kind of can intelligent dimming exempt from touch-control LED operation shadowless lamp circuit control system, it is special
Levy and be: have LED lamp bead (12) in the upper connection of described failure detector (7).
3. piece according to claim 1 a kind of can intelligent dimming exempt from touch-control LED operation shadowless lamp circuit control system, its
It is characterised by: on described micro treatmenting device (3), be also associated with obstacle detector (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610598068.3A CN106028576A (en) | 2016-07-27 | 2016-07-27 | Intelligent light regulating touch-control-free LED operating shadowless lamp circuit control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610598068.3A CN106028576A (en) | 2016-07-27 | 2016-07-27 | Intelligent light regulating touch-control-free LED operating shadowless lamp circuit control system |
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| Publication Number | Publication Date |
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| CN106028576A true CN106028576A (en) | 2016-10-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610598068.3A Pending CN106028576A (en) | 2016-07-27 | 2016-07-27 | Intelligent light regulating touch-control-free LED operating shadowless lamp circuit control system |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102252216A (en) * | 2010-05-19 | 2011-11-23 | 杰森医疗设备(上海)有限公司 | Shadowless lighting lamp with brightness compensation mechanism |
| CN102537796A (en) * | 2010-09-28 | 2012-07-04 | 通快医疗系统两合公司 | Surgical lamp with sterile operating device |
| CN103017026A (en) * | 2012-11-29 | 2013-04-03 | 杨夏芳 | LED shadowless lamp system with failure detection and repair functions |
| CN104955223A (en) * | 2015-05-29 | 2015-09-30 | 南通医疗器械有限公司 | Digital tube display LED shadowless lamp circuit with double dimming function |
| CN205902150U (en) * | 2016-07-27 | 2017-01-18 | 南通医疗器械有限公司 | Ability intelligent light -adjusting's touch -control LED operating astral lamp circuit control system that exempts from |
-
2016
- 2016-07-27 CN CN201610598068.3A patent/CN106028576A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102252216A (en) * | 2010-05-19 | 2011-11-23 | 杰森医疗设备(上海)有限公司 | Shadowless lighting lamp with brightness compensation mechanism |
| CN102537796A (en) * | 2010-09-28 | 2012-07-04 | 通快医疗系统两合公司 | Surgical lamp with sterile operating device |
| CN103017026A (en) * | 2012-11-29 | 2013-04-03 | 杨夏芳 | LED shadowless lamp system with failure detection and repair functions |
| CN104955223A (en) * | 2015-05-29 | 2015-09-30 | 南通医疗器械有限公司 | Digital tube display LED shadowless lamp circuit with double dimming function |
| CN205902150U (en) * | 2016-07-27 | 2017-01-18 | 南通医疗器械有限公司 | Ability intelligent light -adjusting's touch -control LED operating astral lamp circuit control system that exempts from |
Non-Patent Citations (1)
| Title |
|---|
| 《工厂常用电气设备手册》编写组: "《工厂常用电气设备手册 下补充本 2》", 28 February 2003 * |
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Application publication date: 20161012 |