CN204442740U - For running control appliance and the input equipment of at least one light source - Google Patents
For running control appliance and the input equipment of at least one light source Download PDFInfo
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- CN204442740U CN204442740U CN201420585499.2U CN201420585499U CN204442740U CN 204442740 U CN204442740 U CN 204442740U CN 201420585499 U CN201420585499 U CN 201420585499U CN 204442740 U CN204442740 U CN 204442740U
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- light source
- electric current
- photocell
- forward voltage
- control appliance
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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]
- H05B45/40—Details of LED load circuits
- H05B45/44—Details of LED load circuits with an active control inside an LED matrix
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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]
- H05B45/20—Controlling the colour of the light
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- Circuit Arrangement For Electric Light Sources In General (AREA)
- Led Devices (AREA)
Abstract
The utility model relates to a kind of control appliance for running at least one light source and input equipment, light source has at least one photocell, control appliance has generator, measurement mechanism, comparison means and adjust device, element is configured for launching spectrum when the forward voltage being greater than minimum voltage is applied on element and the electric current produced flows through this element, wherein, generator is configured for providing electric energy when using switching regulaor to light source, this switching regulaor applies for forward voltage typical radiation to element, measurement mechanism is configured for the electric current through element of the forward voltage initiation of measuring by providing, comparison means be configured for by this electric current with for will being compared by the electric current expected the spectrum that element is launched, to obtain corrected parameter, and adjust the duty ratio that device is configured for adjusting when using this corrected parameter the switch periods of element, to make light source run with the light radiation of hope.
Description
Technical field
The utility model relates to method for running at least one light source, for running control appliance and the input equipment of at least one light source.
Background technology
The button of input equipment may be embodied as and is illuminated.In order to realize the uniform optical impression of input equipment, button can illuminate with at least one light source respectively, and light source has predetermined light radiation.
EP 1562170 A1 describes method for adjusting display and display.
Utility model content
Under this background technology, the utility model provides the input equipment for the control appliance and improvement that run at least one light source for running the method for at least one light source, improvement of improvement.Favourable design obtains by description subsequently.
Photocell is tested in the production of manufacturer, and is different grades according to their property sort.Characteristic can be such as following standard, the energy efficiency of the light output of such as element, the light color of element, element and/or the color rendering index (Farbwiedergabeindex) of element.The feature of each grade is the accurate characteristic curve provided by manufacturer.Therefore, can with electrical characteristic parameter based on characteristic curve, such as, based on the voltage of electric current and loading, direct derivation goes out the light radiation of element.
That is, in order to adjust the light radiation of the light source with at least one photocell according to predefined parameter, can by voltage-drop loading on element, this voltage is selected under use wherein at least one characteristic situation.If the electric current passing this element, corresponding to the electric current expected according to characteristic curve, so can realize the light radiation that hope launched by element during electric current with very high possibility.If pass the electric current of this element not corresponding to the electric current expected, the average on-time of element so can be adjusted when the operation of the pulsed of element, to make the average light radiation of element adapt to predefined parameter, this is because light radiation actual during electric current is drawn by characteristic curve equally.
Method for running at least one light source with at least one photocell comprises provides step, measuring process, comparison step and adaptation step, wherein, this element is configured for launching spectrum when the forward voltage being greater than minimum voltage is applied on element and the electric current produced flows through this element, wherein, when provide in step use switching regulaor provide electric energy to light source, this switching regulaor applies for forward voltage typical radiation to element, wherein, the electric current through element that the forward voltage by providing causes is measured in measuring process, wherein, in comparison step by this electric current with for will being compared by the electric current expected the spectrum that element is launched, to obtain corrected parameter, and wherein, adjust the duty ratio of the switch periods of this element when using this corrected parameter in adaptation step, to make light source run with the light radiation of hope.
Photocell can be understood as light-emitting diode, laser diode or other light-emitting semiconductor component.Photocell can have the very little operating lag to electric current.Spectrum can be the intercept especially in the scope of visible ray of electromagnetic spectrum.Spectrum can be monochromatic.Spectrum also can be polychrome.Minimum voltage can be the breakover voltage (Knickspannung) of element, from this breakover voltage, carry out light radiation.Can being the predetermined voltage when using the technical data of element for forward voltage typical radiation, wherein, expecting the light radiation of the hope obtaining element based on these technical data.Especially can determine at least one the known characteristic situation using photocell for forward voltage typical radiation.The electric current expected can be predetermined electric current under operation technique data or characteristic situation, wherein, expects the light radiation of the hope obtaining element.Switch periods can be the operation of the pulsed of light source.Switch periods especially can be pulse width modulation.Duty ratio can be the pulse duration of pulse width modulation.
Duty ratio can be increased when the electric current that corrected parameter representative is less than the electric current expected.Also duty ratio can be reduced when the electric current that corrected parameter representative is larger than the electric current expected.The light quantity that light source sends can be adjusted by duty ratio.By larger duty ratio, element can have longer lighting time interval by time per unit.Thus, on average more light can be radiated.By less duty ratio, element can have shorter lighting time interval by time per unit.Thus, on average less light can be radiated.
Electric energy can provide when using adjustable switching regulaor.At this, when corrected parameter representative is larger than the electric current expected exceed the electric current of certain threshold value time, apply less forward voltage by switching regulaor to element.When corrected parameter representative is less than the electric current expected exceed the electric current of this threshold value time, also apply larger forward voltage by switching regulaor to element.If the electric current recorded obviously is different from the electric current of expectation, so can correcting switch adjuster.By the change of forward voltage, the light radiation during electric current also changes.When higher forward voltage, more electric current flows through element and launches more light by element.
When lower forward voltage, less electric current flows through element and launches less light by element.The correction of switching regulaor can be carried out in predetermined step.By correcting, can loss in compensating circuit.Threshold value can be such as the deviation of 15% of the electric current of actual electric current and expectation, the especially deviation of 10%, the especially deviation of 5%.
Switching regulaor can at use reference variable
when forward voltage is provided.At this, the forward voltage be applied on element by switching regulaor can be intercepted.The forward voltage of this forward voltage and expectation can be compared, to adjust reference variable.Switching regulaor can Regulation Control.Thus, though when switching regulaor unevenly load time, forward voltage still can remain in very narrow range of tolerable variance by switching regulaor.Reference variable can be directly forward voltage.
The voltage drop on the Ohmic resistance be connected between switching regulaor and element can be measured, to measure the electric current through element in measuring process.Ohmic resistance can be used as shunt, to detect electric current.
The voltage drop on the Ohmic resistance be connected between element and grounding parts can be measured, to measure the electric current through element in measuring process.Ohmic resistance can be used as shunt, to detect electric current.
Duty ratio through adjusting can be stored, to make light source run consistently on the predetermined duration or run with constant duty ratio.At this, measuring process, comparison step and adaptation step repeat after the predetermined duration.Duty ratio through adjusting can store in memory.Memory can periodically be override.Can significantly be reduced for running expending of light source by temporarily constant duty ratio and back to back status checkout.
Electric energy can provide when using at least one the second switch adjuster at least one the second photocell of light source.Second element is configured for launching the second spectrum when the second forward voltage being greater than minimum voltage is applied on the second element and the second electric current produced flows through this second element.Second spectrum is different from this spectrum.This spectrum and the second spectral mixing are the whole spectrum of light source.Second switch adjuster applies for typical second forward voltage radiation to the second element.The second electric current through the second element caused by the second forward voltage provided can be measured.Second electric current of this second electric current and expectation can be compared, to obtain the second corrected parameter.Second duty ratio in the second switch cycle of the second element is adjusted, to make light source run with the light radiation of hope when using this second corrected parameter.Can the different light color of hybrid element by multiple photocell.The blend color of wishing can more reliably adjusting by the electric current with reality.The white balance of light source can be adjusted by different elements.Such as, often kind of color of RGB color space can be adjusted by red, green and three blue photocells.Different white tones can be adjusted by the radiated element of warm white and the radiated element of cold white.
The method can comprise selection step, and in this selection step, response selects signal ground to set up connection between switching regulaor and element, and responds the second selection signal ground and set up second between second switch adjuster with the second element and be connected.Duty ratio is adjusted when switching regulaor is connected with element.The second duty ratio is adjusted when second switch adjuster is connected with the second element.By select can with the adjusting to combine and individually manipulate each element of the order of duty ratio.Thus, multiple light source can run with different brightness and/or different light colors.
Control appliance for running at least one light source with at least one photocell comprises generator, measurement mechanism, comparison means and adjusts device.Element is configured for launching spectrum when the forward voltage being greater than minimum voltage is applied on element and the electric current produced flows through this element.Generator is configured for providing electric energy when using switching regulaor to light source, this switching regulaor is configured for applying for forward voltage typical radiation to element, and measurement mechanism is configured for measuring the electric current through element that the forward voltage by providing causes.Comparison means be configured for by this electric current with for will being compared, to obtain corrected parameter by the electric current expected the spectrum that element is launched.Adjust the duty ratio that device is configured for adjusting when using this corrected parameter the switch periods of element, to make light source run with the light radiation of hope.
Control appliance can be electric equipment, and its processes sensor signal also depends on this sensor signal output control signal.This equipment can have one or more suitable interface, and these interfaces can construct in the mode of hardware and/or software.In structure in hardware, interface can be such as a part for integrated circuit, realizes the function of control appliance in this integrated circuit.Interface also can be independently integrated circuit, or is made up of discrete structural detail at least partly.With in the structure of software mode, interface can be the software module except other software module be such as present on microcontroller.
Generator can be configured for providing electric energy when using at least one the second switch adjuster at least one the second photocell of light source to light source.Second switch adjuster is configured for applying for typical second forward voltage radiation to the second element.Measurement mechanism is configured for measuring the second electric current through the second element by the second forward voltage initiation provided.Comparison means is configured for being compared by the second electric current of this second electric current and expectation, to obtain the second corrected parameter.Adjust the switch periods that device is configured for adjusting when using this second corrected parameter the second element.
Control appliance can have choice device, and it is configured for responding selects signal ground to set up connection between switching regulaor and element, and responds the second selection signal ground and set up second between second switch adjuster with the second element and be connected.Adjust device can be configured for adjusting duty ratio when switching regulaor is connected with element, and adjust the second duty ratio when second switch adjuster is connected with the second element.
Input equipment comprises button, and these buttons can respectively by the light illuminating with at least one photocell.The light source of these buttons is connected at the control appliance of this scheme introduced with basis, and can be run by control appliance.
The computer program product with following program code is also favourable, this program code can be stored in can machine read carrier, such as, on semiconductor memory, harddisk memory or optical memory, and when program is implemented on computer or equipment for performing the method according to one of them aforementioned embodiments.
Accompanying drawing explanation
Exemplarily the utility model is elaborated by accompanying drawing.Wherein:
Fig. 1 illustrates the block diagram of the control appliance for running at least one light source according to embodiment of the present utility model;
Fig. 2 illustrates the circuit diagram of multiple light source, and these configurations of light sources become to run according to the control appliance of embodiment of the present utility model for utilizing; With
Fig. 3 illustrates the flow chart of the method for running at least one light source according to embodiment of the present utility model.
In the description subsequently to preferred embodiment of the present utility model, for illustrate in different figures and the element of similar action uses same or analogous Reference numeral, wherein, cancel the repeated description to these elements.
Embodiment
Fig. 1 illustrates the block diagram of the control appliance 100 for running at least one light source 102 according to embodiment of the present utility model.Control appliance 100 has generator 104, measurement mechanism 106, comparison means 108 and adjusts device 110.Light source 102 has at least one photocell 112.Photocell 112 is configured for launching spectrum when the forward voltage being greater than minimum voltage is applied on element 112 and the electric current produced flows through element 112.Generator 104 is configured for providing electric energy when using switching regulaor 114 to light source 102.Switching regulaor 114 is configured for applying for forward voltage typical radiation to element 112.Measurement mechanism 106 is configured for the electric current through element 112 of the forward voltage initiation of measuring by providing.Comparison means 108 is configured for this electric current and the electric current expected for spectrum to compare, to obtain corrected parameter.Adjust the duty ratio that device 110 is configured for adjusting when using corrected parameter the switch periods of element 112, to make light source 102 run with the light radiation of hope.
In one embodiment, generator 104 is configured for providing electric energy when using at least one the second switch adjuster at least one the second photocell of light source 102 to light source 102.At this, second switch adjuster is configured for applying for typical second forward voltage radiation to the second element.Measurement mechanism 106 is configured for measuring the second electric current through the second element by the second forward voltage initiation provided.Comparison means 108 is configured for being compared by the second electric current of this second electric current and expectation, to obtain the second corrected parameter.Adjust the second switch cycle that device 110 is configured for adjusting when use the second corrected parameter the second element.The photocell 112 of light source 102 launches the light of different colours.The different light color of element 112 is mixed into the blend color of the transmitting of light source 102.Each element 112 by between the electric current expected respectively and the electric current of reality specified-actual specific more accurately adjusts the light radiation wanted.Therefore, blend color is also accurately adjusted to the blend color wanted.Light source 102 also can have the photocell 112 more than two.
In one embodiment, light source 102 has three photocells 112.The color triangle of all blend colors of covering three elements 112 is obtained by three different light colors.The light color of three elements 112 defines the angle of color triangle at this.That is, light source 102 can launch often kind of color in color triangle.
In one embodiment, control appliance 100 has choice device, it is configured for responding selects signal ground to set up connection between switching regulaor 114 and element 112, and responds the second selection signal ground and set up second between second switch adjuster with the second element and be connected.Adjust device 110 to be configured for adjusting duty ratio when switching regulaor 114 is connected with element 112.Adjust device 110 to be configured for adjusting the second duty ratio when second switch adjuster is connected with the second element.Choice device can realize manipulating accurately the target of each photocell 112.Thus, the element 112 of light source 102 can run with different duty ratios.
Fig. 2 illustrates circuit Figure 200 of multiple light source 102, and these configurations of light sources become to run according to the control appliance of embodiment of the present utility model for utilizing.Control appliance is not shown at this, but it is substantially corresponding to the control appliance in Fig. 1.Light source 102 is the part of input equipment 202 in this embodiment.Wherein each light source 102 is arranged in the region of the button of input equipment 202.Light source 102 is configured for illuminating button.
Wherein each light source 102 has the photocell 112 of the photocell 112 of ruddiness, the photocell 112 of green glow and blue light.Element 112 is light emitting diode 112 or LED 112 at this.The LED 112 of all ruddiness supplies electric energy by the first switching regulaor 114.The LED 112 of all green glows supplies electric energy by second switch adjuster 114.The LED 112 of all blue lights supplies electric energy by the 3rd switching regulaor 114.Switching regulaor 114 is manipulated by the generator as such as shown in Figure 1.Switching regulaor 114 provides typical forward voltage the radiation for LED 112 respectively.
Light source 102 is interconnected as matrix.In this matrix, light source 102 is arranged with row and column.At this, row and column does not represent geometric orientation.In being expert at, electricity is in parallel mutually for the light source 102 of some.In row, the light source 102 electricity series connection mutually of some.
In the illustrated embodiment, input equipment 202 has three row and three row.
In another unshowned embodiment, input equipment 202 has 6 row and 21 row.At this, not only each row can have the light source 102 being less than 21, and each row also can have the light source 102 being less than 6.
Every hand-manipulating of needle has the switch 204 in a circuit between switching regulaor 114 and LED 112 respectively to each color.Switch 204 drives control by the choice device of control appliance.Switch 204 is embodied as transistor 204.That is, for every row, each three transistors 204 are connected between switching regulaor 114 and LED 112.
For all LED 112, often arrange and there is another switch 206 between LED 112 and grounding parts all respectively.These other switches 206 adjust device to drive control by control appliance.The LED 112 of the LED 112 of the ruddiness of light source 102, the LED 112 of green glow and blue light is interconnected on common pin point.The pin point of the light source 102 of row is interconnected, and leads to grounding parts by these other switches 206.These other switches 206 are embodied as transistor 206.These other switches 206 be configured for realize by adjust device predetermined, for running the duty ratio of the photocell 112 of the light source 102 of matrix column.
Ohmic resistance is furnished with respectively between these other switch 206 and grounding parts.
Current limitation resistor 208 is furnished with respectively between switching regulaor 114 and switch 204.Current limitation resistor 208 is Ohmic resistances.The current limitation resistor 208 of a color intercepts voltage similarly with shunt resistance (Shuntwiderstand).When using this voltage, the electric current between the switching regulaor 114 and LED 112 of this color measured by the measurement mechanism of control appliance.
In one embodiment, the voltage drop on the Ohmic resistance between measurement mechanism detection light source and grounding parts, to measure actual electric current.So the measurement on current limitation resistor 208 can be cancelled.Unessential at this, Ohmic resistance to be arranged in before other switch 206 or after.
In other words, Fig. 2 illustrates the input equipment 202 with following button, and these buttons can illuminate respectively by the light source 102 with at least one photocell 112.Input equipment 202 can be called as guidance panel 202 or keyboard 202.The light source 102 of these buttons is connected at the control appliance of this scheme introduced with basis, and can be run by this control appliance.
Fig. 2 illustrates that RBG-LED illuminates configuration and the manipulation of the optimization of matrix 202.The perfect white balance illuminated can be realized by the scheme introduced at this.By the scheme introduced at this, the current drain under high-high brightness adapts to operational energy source.
By the pulse width modulation through adjusting, pixel balance produces very little loss.The efficiency of LED 112 with adapt to operational energy source high-high brightness raise.Automatic grey balance is achieved by the selection of LED 112 and each single led measurement.Expending in production can be reduced in addition.
For each in three colors, independently adjustable switching regulaor 114 is used as voltage source, voltage adaptation provided thus in LED 112 for forward voltage typical color, and adjust the electric current thereupon produced, thus in the LED 112 presorted, only create minimum energy loss by the pre-resistor 208 of LED 112.
All light-emitting diodes 112 of keyboard 202 are presorted, and are similar in their luminous intensity and wavelength.Different luminous intensities can be used at this, but only should use the light-emitting diode 112 of a class in keyboard 202.In order to compensate the little difference in luminous intensity, during initial phase completely and rapidly and check each light-emitting diode 112 when normal operation with the larger time interval: whether luminous intensity is corresponding to result desired during in grey balance.If desired, regulate again to realize coarse adjustment to switching regulaor 114.In addition, store a scope in memory based on the data improved, based on this scope, accurately revise PWM control.
Two forms are created for grey balance.One balances for pixel, and namely all LED 112 of same color are equally bright.One, for grey balance, namely obtains the accurate coordinate in color triangle for white/ash.
Measure or realized by the voltage drop on the common current limitation resistor 208 of all LED 112 in respectively for row, or being realized by the voltage drop on the common current limitation resistor 206 of all LED 112 in respectively for row.
The current drain of each LED 112 under corresponding working voltage is known.The pulse width modulation ratio of each color component and current drain instantaneous are thus known.Thus, the power consumption of each color component is obtained by being multiplied with working voltage.This can realize making full use of accurately operational power, and obtains the brightness of maximum possible thus.
Allow to use two in same keyboard 202 adjacent groupings (Binning) in this special method of measurement introduced.
By the method for each single light-emitting diode 112 of this special measurement, the also each light-emitting diode 112 of automatic inspection.Test in manufacture expends minimizing.Can not leak again and see defective LED 112.
LED 112 in keyboard 202 is all used by identical or two adjacent groupings, and therefore similar in luminous intensity and wavelength.Different groupings can be realized in different keyboards 202.Which ensure that production task.Thus, it is unnecessary for adjusting Parts List.Measurement in production and white balance are unnecessary thus.
Measurement in row can be carried out when not having measuring amplifier.Need differential amplifier in being expert at, but need less analog to digital converter.
Fig. 3 illustrates the flow chart of the method 300 for running at least one light source according to embodiment of the present utility model.Method 300 can be implemented on the control appliance such as shown in Fig. 1.Method 300 has provides step 302, measuring process 304, comparison step 306 and adaptation step 308.Light source has at least one photocell, and it is configured for launching spectrum when the forward voltage being greater than minimum voltage is applied on element and the electric current produced flows through this element.Thering is provided in step 302, providing electric energy when using switching regulaor to light source.Switching regulaor is configured for applying for forward voltage typical radiation to element.The electric current through element that the forward voltage by providing causes is measured in measuring process 304.In comparison step 306, this electric current and the electric current expected for spectrum are compared, to obtain corrected parameter.In adaptation step 308, adjust the duty ratio of the switch periods of element when using this corrected parameter, to make light source run with the light radiation of hope.
In one embodiment, when the electric current that corrected parameter representative is less than the electric current expected, in adaptation step 308, duty ratio is increased.In one embodiment, when the electric current that corrected parameter representative is larger than the electric current expected, in adaptation step 308, duty ratio is reduced.Ratio between the on-time of duty ratio representation element and break time.When duty ratio increases, the on-time increases relative to break time.Thus, more light is on average had to be launched by element.On-time and break time can be definitely very short, so that the inertia of eyes of can out-tricking.
In one embodiment, providing in step 302, providing electric energy when using adjustable switching regulaor.At this, when corrected parameter representative is larger than the electric current expected exceed the electric current of certain threshold value time, apply less forward voltage by switching regulaor to element.When corrected parameter representative is less than the electric current expected exceed the electric current of this threshold value time, apply larger forward voltage by switching regulaor to element.When larger forward voltage, element occurs larger electric current.Thus, more electrical power is converted to light.
In one embodiment, providing in step 302, forward voltage is provided when using reference variable by switching regulaor.At this, in measuring process 304, intercept the forward voltage be applied to by switching regulaor on element.In comparison step 306, the forward voltage of this forward voltage and expectation is compared, to adjust reference variable.Such as directly can intercept forward voltage on the electrode of switching regulaor.Thus, forward voltage can keep very constant.
In one embodiment, in measuring process 304, the voltage drop on the Ohmic resistance be connected between switching regulaor and element is measured, to measure the electric current through this element.Resistance can be used as shunt resistance.Shunt resistance only have dropped voltage little especially.Have lost little energy thus.
In one embodiment, in measuring process 304, the voltage drop on the Ohmic resistance be connected between element and grounding parts is measured, to measure the electric current through this element.
In one embodiment, in adaptation step 308, store the duty ratio through adjusting, to make light source run consistently on the predetermined duration.Measuring process, comparison step and adaptation step 304,306,308 repeats after the predetermined duration.
In one embodiment, providing in step 302, providing electric energy when using at least one the second switch adjuster at least one the second photocell of light source.Second element is configured for launching the second spectrum when the second forward voltage being greater than minimum voltage is applied on the second element and the second electric current produced flows through this second element.Second spectrum is different from this spectrum, and is the whole spectrum of light source with this spectral mixing.Second switch adjuster applies for typical second forward voltage radiation to the second element.In one embodiment, in measuring process 304, measure the second electric current through the second element that the second forward voltage by providing causes.In one embodiment, in comparison step 306, the second electric current of this second electric current and expectation is compared, to obtain the second corrected parameter.In one embodiment, in adaptation step 308, adjust second duty ratio in the second switch cycle of the second element when using this second corrected parameter, to make light source run with the light radiation of hope.The light source of the electric current representative storage of the electric current expected and at least one other expectation strives the light color reached.By revising duty ratio, the light color of wishing can reliably maintain.By measuring the electric current of flowing, all photocells being functionally examined at them.
In one embodiment, the method has selection step, in this selection step, response selects signal ground to set up connection between switching regulaor and element, and responds the second selection signal ground and set up second between second switch adjuster with the second element and be connected.In one embodiment, in adaptation step 308, duty ratio is adjusted when switching regulaor is connected with element.When second switch adjuster is connected with the second element, then adjust the second duty ratio.Selection can realize the manipulation targetedly to photocell.By selecting to adjust different light colors.
In one embodiment, for the different state of wherein at least one photocell, the electric current of multiple expectation is stored.When electric current changes, the light radiation of element can have different features.The spectrum launched such as can move.
Described and the embodiment illustrated in the drawings is only exemplarily selected.Different embodiments can combine completely or with reference to each single feature mutually.An embodiment also can be supplemented by the feature of other embodiment.
In addition, can repeat according to method step of the present utility model, and can implement by the order different from described order.
If the "and/or" that embodiment comprises between fisrt feature and second feature contacts, so this can be read as: embodiment not only has fisrt feature according to an execution mode but also has second feature, and only has fisrt feature according to another execution mode or only have second feature.
Reference numerals list
100 control appliances
102 light sources
104 generators
106 measurement mechanisms
108 comparison means
110 adjust device
112 photocells
114 switching regulaors
200 circuit diagrams
202 input equipments
204 switches, transistor
206 other switch, other transistors
208 current limitation resistor
300 methods for running
302 provide step
304 measuring processs
306 comparison step
308 adaptation step
Claims (4)
1. one kind has the control appliance (100) of at least one light source (102) of at least one photocell (112) for operation, wherein, described element (112) be configured for when the forward voltage being greater than minimum voltage be applied to described element (112) upper and electric current that is that produce flows through described element (112) time launch spectrum, it is characterized in that there is generator (104), measurement mechanism (106), comparison means (108) and adjust device (110), wherein, described generator (104) is configured for providing electric energy when using switching regulaor (114) to described light source (102), described switching regulaor is configured for applying for forward voltage typical radiation to described element (112), wherein, described measurement mechanism (106) is configured for the electric current through described element (112) of the forward voltage initiation of measuring by providing, wherein, described comparison means (108) be configured for by this electric current with for will being compared by the electric current expected the spectrum that element (112) launch, to obtain corrected parameter, and described in adjust device (110) and be configured for adjusting the duty ratio of the switch periods of described element (112) when using described corrected parameter, to make described light source (102) run with the light radiation of hope.
2. control appliance according to claim 1 (100), it is characterized in that, described generator (104) is configured for providing electric energy when using at least one the second switch adjuster at least one the second photocell of described light source to described light source (102), wherein, described second switch adjuster is configured for applying for typical second forward voltage radiation to described second photocell, wherein, described measurement mechanism (106) is configured for measuring the second electric current through described second photocell by the second forward voltage initiation provided, wherein, described comparison means (108) is configured for the second electric current of described second electric current and expectation to compare, to obtain the second corrected parameter, wherein, described device (110) of adjusting is configured for adjusting second switch cycle of described second photocell when using described second corrected parameter.
3. control appliance according to claim 2 (100), it is characterized in that there is choice device, described choice device is configured for responding selects signal ground to set up connection between described switching regulaor (114) and described element (112), and respond that the second selection signal ground sets up between described second switch adjuster with described second photocell second is connected, wherein, described device (110) of adjusting is configured for adjusting described duty ratio when described switching regulaor (114) is connected with described element (112), and adjust the second duty ratio when described second switch adjuster is connected with described second photocell.
4. one kind has the input equipment (202) of button, described button illuminates by least each light source (102) with at least one photocell (112), it is characterized in that, the light source (112) of described button is connected with control appliance according to any one of claim 1 to 3 (100), and runs by described control appliance (100).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102013220397.7 | 2013-10-10 | ||
| DE201310220397 DE102013220397A1 (en) | 2013-10-10 | 2013-10-10 | Method and control device for operating at least one light source |
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| Publication Number | Publication Date |
|---|---|
| CN204442740U true CN204442740U (en) | 2015-07-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410532267.5A Pending CN104684204A (en) | 2013-10-10 | 2014-10-10 | Method and control device for operating at least one light source |
| CN201420585499.2U Expired - Fee Related CN204442740U (en) | 2013-10-10 | 2014-10-10 | For running control appliance and the input equipment of at least one light source |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410532267.5A Pending CN104684204A (en) | 2013-10-10 | 2014-10-10 | Method and control device for operating at least one light source |
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| CN (2) | CN104684204A (en) |
| DE (1) | DE102013220397A1 (en) |
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| CN106102227B (en) * | 2016-06-20 | 2017-08-25 | 福州台江区超人电子有限公司 | Building roof control system of lamp decoration |
| CN105960060B (en) * | 2016-06-20 | 2018-05-22 | 福州准点信息科技有限公司 | Park L ED landscape lamp post control system |
| CN106125594B (en) * | 2016-06-20 | 2018-08-17 | 福州准点信息科技有限公司 | Hotel intelligence control system |
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| JP2004309509A (en) * | 2003-04-01 | 2004-11-04 | Hunet Inc | Method for adjusting display device |
| DE102006005521B3 (en) * | 2006-02-07 | 2007-05-16 | Lear Corp | LED-array controlling method for e.g. motor vehicle`s tail lamp, involves increasing voltage until preset current flows through lines, such that lines are switched on and off by clocked control of switches to provide effective current |
| DE102009006693A1 (en) * | 2008-02-01 | 2009-12-17 | Marquardt Gmbh | Switch arrangement for a motor vehicle |
| US9860946B2 (en) * | 2009-06-15 | 2018-01-02 | Maxim Integrated Products, Inc. | Circuit topology for driving high-voltage LED series connected strings |
| US20110068700A1 (en) * | 2009-09-21 | 2011-03-24 | Suntec Enterprises | Method and apparatus for driving multiple LED devices |
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| JP2012204188A (en) * | 2011-03-25 | 2012-10-22 | Fujitsu Ltd | Electronic apparatus and light emitting element drive circuit |
-
2013
- 2013-10-10 DE DE201310220397 patent/DE102013220397A1/en not_active Withdrawn
-
2014
- 2014-09-10 WO PCT/EP2014/069246 patent/WO2015051963A1/en active Application Filing
- 2014-10-10 CN CN201410532267.5A patent/CN104684204A/en active Pending
- 2014-10-10 CN CN201420585499.2U patent/CN204442740U/en not_active Expired - Fee Related
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| DE102013220397A1 (en) | 2015-04-16 |
| CN104684204A (en) | 2015-06-03 |
| WO2015051963A1 (en) | 2015-04-16 |
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