CN106455217B - The control method and control system of high power wall washing lamp - Google Patents
The control method and control system of high power wall washing lamp Download PDFInfo
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- CN106455217B CN106455217B CN201610925311.8A CN201610925311A CN106455217B CN 106455217 B CN106455217 B CN 106455217B CN 201610925311 A CN201610925311 A CN 201610925311A CN 106455217 B CN106455217 B CN 106455217B
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- gray value
- high power
- level interpolation
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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]
- H05B45/10—Controlling the intensity of the light
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Abstract
The present invention discloses the control method and system of a kind of high power wall washing lamp, and methods described includes obtaining the variation characteristic of gray value in wall lamp enabling signal；Judge whether variation characteristic conforms to a predetermined condition；If so, gray-level interpolation is then generated according to variation characteristic；Gray-level interpolation is inserted into enabling signal in predetermined point of time.The control method and system of high power wall washing lamp disclosed by the invention insert gray value by gray-level interpolation device under conditions of certain is predetermined when electroluminescent lamp starts, it can make it that electroluminescent lamp is bright submissiveer in luminescence process, and reduce dazzling or avoid the situation of dazzling from occurring.
Description
Technical field
The present invention relates to electronic technology field, and in particular to a kind of control method of high power wall washing lamp and this high-power wash
The control system of pinup.
Background technology
LED has been widely used in various places, such as the wall body decoration of various buildings and brightening, public place of entertainment etc.；
Involved scope is also increasingly wider, from interior to outdoor, from local brightening to overall brightening etc..Such as LED wall wash lamp is exactly
It is used for doing building decoration illumination, is also used for sketching the contours the profile of heavy construction.In the prior art, LED wall wash lamp is high-power
Pinup is write, power is big, brightness is high, but when opening, the easy dazzling that quickly lights of LED wall wash lamp, such as LED wall wash lamp
Gray value is increased by 0,4,16,32 ... to 256 great-jump-forwards.If but want to avoid the situation of dazzling, open when LED wash wall
Lamp luminescence process needs longer time, that is, LED wall wash lamp is slower to completely shinny speed from not working.Such as LED is washed
The gray value of pinup is incremented by successively from 0,1,2,3,4 ... to 256.
The content of the invention
In view of the shortcomings of the prior art, it is an object of the invention to provide a kind of control of high power wall washing lamp rational in infrastructure
Method processed, the control circuit may be such that in the case where not changing the original luminous speed of LED wall wash lamp, avoid electroluminescent lamp from starting
When there is the situation of dazzling.
To achieve the above object, the present invention adopts the following technical scheme that：
The present invention provides a kind of control method of high power wall washing lamp, comprises the following steps：
Obtain the variation characteristic of gray value in wall lamp enabling signal；
Judge whether variation characteristic conforms to a predetermined condition；
If so, gray-level interpolation is then generated according to variation characteristic；
Gray-level interpolation is inserted into enabling signal in predetermined point of time；
It is described to judge that the step of whether variation characteristic conforms to a predetermined condition includes following sub-step：
Obtain the initial time gray value and end time gray value of each predetermined time interval；
By end time gray value compared with initial time gray value；
Judge whether the comparative result conforms to a predetermined condition.
Preferably, the predetermined time interval is 1 second.
Preferably, the comparative result includes：The end time gray value subtracts each other what is obtained with initial time gray value
Be worth for more than 2 either less than 2 or equal to 2.
Preferably, the predetermined condition is that the end time gray value is bigger than initial time gray value by 2.
Preferably, the process for inserting gray-level interpolation in the scheduled time according to variation characteristic includes：
Gray-level interpolation is calculated according to result of the comparison；
Insert in the initial time of the time interval and between the end time gray-level interpolation.
The present invention also provides a kind of control system of high power wall washing lamp, including electroluminescent lamp, signal wire and driver；It is described
Electroluminescent lamp is in parallel or in series on signal wire；The signal input part of the signal wire is connected with driver；It is characterized in that：Also
Including gray-level interpolation device；The gray-level interpolation device and electroluminescent lamp are in parallel or in series；
The gray-level interpolation device includes signal receiving end, signal judging unit, interpolating unit and signal output terminal；Institute
The enabling signal that signal receiving end is used to receive electroluminescent lamp is stated, and gray value when wall lamp starts is obtained from enabling signal
Variation characteristic；The signal judging unit is used to judge whether variation characteristic conforms to a predetermined condition；The interpolating unit is used for root
It is judged that the judged result of unit generates gray-level interpolation when being and being；The signal output terminal is used for gray scale in predetermined point of time
Interpolation inserts enabling signal.
Preferably, the electroluminescent lamp includes starter and the illuminating part being connected with starter；The starter starts generation
Start the enabling signal of electroluminescent lamp, and send to illuminating part；The illuminating part is according to the enabling signal received by the state of not working
Change into bright state；Gray-level interpolation device inserts gray value under the predetermined condition to the enabling signal.
Preferably, the control system of the high power wall washing lamp, in addition to substrate；The electroluminescent lamp, signal wire and gray scale
Interpolation device is both secured on substrate.
Preferably, the control system of the high power wall washing lamp, in addition to controlling switch, the controlling switch light with described
The starter connection of lamp；The electroluminescent lamp is LED.
Beneficial effects of the present invention：
Compared with prior art, the control method of high power wall washing lamp of the present invention and system are in certain predetermined bar
Gray value is inserted when electroluminescent lamp starts by gray-level interpolation device under part, because electroluminescent lamp lighted from not working to bright this in itself
What the time of journey was to determine, gray value is then inserted in the luminescence process can cause electroluminescent lamp ratio bright in luminescence process
It is submissiveer, reduce dazzling or avoid the situation of dazzling from occurring, but also the startup time of electroluminescent lamp in itself will not be extended.
Brief description of the drawings
Fig. 1 is a kind of control method flow chart of high power wall washing lamp in embodiments of the invention；
Fig. 2 is a kind of control method schematic diagram of high power wall washing lamp in embodiments of the invention；
Fig. 3 is a kind of gray-level interpolation device schematic diagram in embodiments of the invention.
Embodiment
Below, with reference to accompanying drawing and embodiment, the present invention is described further：
A kind of reference picture 1, the control method of high power wall washing lamp described in the present embodiment, comprises the following steps：
Step S1, obtain the variation characteristic of gray value in wall lamp enabling signal.The gray-value variation feature is included in
The increased feature of gray value in some time interval, such as gray value is at interval of one second, gray value by 0,4,16,32 ... extremely
The increase of 256 great-jump-forwards.
Step S2, judges whether variation characteristic conforms to a predetermined condition；If so, then explanation needs to insert gray scale in enabling signal
Interpolation, and step S3 is performed, otherwise do not perform the step of inserting gray-level interpolation.
Step S2 can also include following sub-step：
Step S21, obtain the initial time gray value and end time gray value of each predetermined time interval；It is described predetermined
Time interval can be 1 second, initial time gray value is the gray value at the time point that the time interval starts, such as n-th 1
The gray value at the time point that the second starts；The gray value at the time point that end time gray value terminates for each time interval, such as N
The gray value at the individual 1 second time point terminated.
Step S22, by end time gray value compared with initial time gray value；Such as compare two gray values
Size.
Step S23, judges whether the comparative result conforms to a predetermined condition.The comparative result includes：At the end of described
Between gray value bigger than initial time gray value 2 either less than 2 or equal to 2.The predetermined condition is the end time gray scale
Value is bigger than initial time gray value by 2.
Step S3, when conforming to a predetermined condition, gray-level interpolation is generated according to variation characteristic；Such as gray value is by 0,4,16,
The increase of 32 ... to 256 great-jump-forwards.The gray-level interpolation can be 2,10,22 ... 248 etc..
The step S3 can also include following sub-step：
Step S31, gray-level interpolation is calculated according to result of the comparison.
Step S32, insert in the initial time of the time interval and between the end time gray-level interpolation.
Step S4, gray-level interpolation is inserted into enabling signal in predetermined point of time.Such as gray scale can be entered in the 1.5th second interpolation and inserted
Value 2.
The control method of high power wall washing lamp disclosed in the embodiment of the present invention, by the increased situation of gray value great-jump-forward
Under in each time interval interpolation enter gray-level interpolation so that electroluminescent lamp inserts gray-level interpolation in the given time so that electroluminescent lamp exists
During startup, electroluminescent lamp dazzling will not be caused because gray value increases into great-jump-forward, but also reflector lamp startup will not be extended
Time.
With reference to reference picture 2 and Fig. 3, the present invention also carries a kind of control system of high power wall washing lamp, including electroluminescent lamp 1, letter
Number line 2, driver 3 and gray-level interpolation device 4.The electroluminescent lamp can be LED.The driver can be RS485 drivers.Institute
State gray-level interpolation device 4 for MCU (Main Computational Unit, single-chip microcomputer) or with interpolation function integrated circuit.
The gray-level interpolation device 4 can insert gray value when electroluminescent lamp 1 starts, and prevent the too fast shinny situation for causing dazzling of electroluminescent lamp 1
Occur.The control system of high power wall washing lamp in the present embodiment can also set ground wire (GND lines)；The electroluminescent lamp 1 divides
Grounding pin is not provided with, and the grounding pin is attached on the ground wire.The present embodiment can be improved by setting to be grounded
Described in high power wall washing lamp control system security.
The electroluminescent lamp 1 is in parallel or in series on signal wire 2.The quantity of electroluminescent lamp 1 described in the present embodiment be one,
Two or more, each electroluminescent lamp 1 can be connected on signal wire 2 by the way of in parallel.The electroluminescent lamp 1 includes opening
Dynamic device (not shown) and the illuminating part (not shown) being connected with starter.The starter generates under the first predetermined condition
Enabling signal, and send to illuminating part.The activation member is prior art, it is not repeated in the present embodiment.The hair
State of the light portion according to the enabling signal received by the condition conversion Cheng Liang that do not work.First predetermined condition can be in starter
In the case of energization, or receive driver 3 transmission drive signal when.
The signal input part of the signal wire 2 is connected with driver 3.The signal wire comprises at least positive signal line (A lines)
And negative signal line (B lines).The electroluminescent lamp 1 comprises at least the pin being connected respectively with the positive signal line and negative signal line.Institute
Pin is stated to be fixed on the starter.
The gray-level interpolation device 4 and electroluminescent lamp 1 are in parallel or in series.The gray-level interpolation device 4 under the second predetermined condition to
The enabling signal insertion gray value of the starter.Second predetermined condition can be LED wall wash lamp start when, gray value by for
Great-jump-forward increases, such as the mode of gray value increase is to increase to 256 by 0,4,16,32 ... great-jump-forwards, or by 0 with
Situations such as mode of arithmetic progression is incremented by.Inserting the mode of gray value can be：When gray value skips to 4 by 0, interleave 0 with 4
Enter gray value 2, when skipping to 16 by 4, gray value 8 ... ... is inserted by that analogy between 4 and 16.Due to electroluminescent lamp 1 itself from
What the time not worked to this bright luminescence process was to determine, then by insert gray value can electroluminescent lamp 1 lighting
It is bright submissiveer in journey, so as to reduce dazzling or avoid the situation of dazzling from occurring.
The gray-level interpolation device 4 includes signal receiving end, signal judging unit 42, interpolating unit 43 and signal output part
Son.After signal receiving end receives enabling signal, enabling signal is sent to signal judging unit 42.It is described to judge list
Member 42 judges whether the second predetermined condition meets, and will determine that result is sent to interpolating unit 43.The basis of interpolating unit 43
Judged result is the gray value that generation is inserted into enabling signal after being, and inserts gray value by signal output terminal and start
The enabling signal of device.Signal receiving end and signal output terminal can be that copper, iron, aluminium, gold or silver etc. have conduction
Wire, paster or coating etc. made of metal or alloy.The signal judging unit 42 can be comparator or compare core
Piece etc..When gray value for great-jump-forward by increasing, the judging unit 42 can draw the result that the second predetermined condition meets.It is described
Interpolating unit 43 can preset the size of insertion gray value and insert the time of gray value, such as electroluminescent lamp 1 gray value itself
Increase process be：Gray value 4 during 1s (1 second), gray value 8 during 2s (2 seconds), now interpolating unit master at 1.5s (1.5 seconds)
Dynamic insertion gray value 6.
In order to facilitate the control system of the high power wall washing lamp is installed, it also includes substrate (not shown).The hair
Light lamp 1, signal wire 2 and gray-level interpolation device 4 are both secured on substrate.
When the electroluminescent lamp 1 is connected to signal wire 2 in parallel, in order to prevent some electroluminescent lamp 1 it is abnormal (such as
Damage) after, the situation for influenceing other normal luminous of electroluminescent lamp 1 occurs.The control method of the high power wall washing lamp may be used also
To be connected including controlling switch 5, the controlling switch 5 with the starter of the electroluminescent lamp 1.The controlling switch 5 can be relay.
Each electroluminescent lamp 1 may be provided with a controlling switch 5, and when the electroluminescent lamp 1 is normal, the controlling switch 5 is open mode, when
When the electroluminescent lamp 1 is abnormal, controlling switch 5 closes, so that signal can be transmitted by controlling switch 5, and then causes other just
Normal electroluminescent lamp 1 can be with normal work.
It will be apparent to those skilled in the art that technical scheme that can be as described above and design, make other various
Corresponding change and deformation, and all these changes and deformation should all belong to the protection domain of the claims in the present invention
Within.
Claims (9)
1. a kind of control method of high power wall washing lamp, it is characterised in that comprise the following steps：
Obtain the variation characteristic of gray value in wall lamp enabling signal；
Judge whether variation characteristic conforms to a predetermined condition；
If so, gray-level interpolation is then generated according to variation characteristic；
Gray-level interpolation is inserted into enabling signal in predetermined point of time；
It is described to judge that the step of whether variation characteristic conforms to a predetermined condition includes following sub-step：
Obtain the initial time gray value and end time gray value of each predetermined time interval；
By end time gray value compared with initial time gray value；
Judge whether the comparative result conforms to a predetermined condition.
2. the control method of high power wall washing lamp according to claim 1, it is characterised in that the predetermined time interval
For 1 second.
3. the control method of high power wall washing lamp according to claim 1, it is characterised in that the comparative result includes：
The value that the end time gray value subtracts each other to obtain with initial time gray value is either less than 2 or equal to 2 more than 2.
4. the control method of high power wall washing lamp according to claim 3, it is characterised in that the predetermined condition is described
End time gray value is bigger than initial time gray value by 2.
5. the control method of high power wall washing lamp according to claim 1, it is characterised in that described to be existed according to variation characteristic
The process of scheduled time insertion gray-level interpolation includes：
Gray-level interpolation is calculated according to result of the comparison；
Insert in the initial time of the time interval and between the end time gray-level interpolation.
A kind of 6. control system of high power wall washing lamp, it is characterised in that：Including electroluminescent lamp, signal wire and driver；The hair
Light lamp is in parallel or in series on signal wire；The signal input part of the signal wire is connected with driver；It is characterized in that：Also wrap
Include gray-level interpolation device；The gray-level interpolation device and electroluminescent lamp are in parallel or in series；
The gray-level interpolation device includes signal receiving end, signal judging unit, interpolating unit and signal output terminal；The letter
Number receiving terminal is used for the enabling signal for receiving electroluminescent lamp, and the change of gray value when wall lamp starts is obtained from enabling signal
Feature；The signal judging unit is used to judge whether variation characteristic conforms to a predetermined condition；The interpolating unit is used for basis and sentenced
The judged result of disconnected unit generates gray-level interpolation when being and being；The signal output terminal is used for gray-level interpolation in predetermined point of time
Insert enabling signal.
7. the control system of high power wall washing lamp according to claim 6, it is characterised in that：The electroluminescent lamp includes starting
Device and the illuminating part being connected with starter；The starter starts the enabling signal that generation starts electroluminescent lamp, and sends to luminous
Portion；State of the illuminating part according to the enabling signal received by the condition conversion Cheng Liang that do not work；Gray-level interpolation device is described pre-
Under fixed condition gray value is inserted to the enabling signal.
8. the control system of high power wall washing lamp according to claim 7, it is characterised in that：Also include substrate；The hair
Light lamp, signal wire and gray-level interpolation device are both secured on substrate.
9. the control system of high power wall washing lamp according to claim 6, it is characterised in that：Also include controlling switch, should
Controlling switch is connected with the starter of the electroluminescent lamp；The electroluminescent lamp is LED.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610925311.8A CN106455217B (en) | 2016-10-30 | 2016-10-30 | The control method and control system of high power wall washing lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610925311.8A CN106455217B (en) | 2016-10-30 | 2016-10-30 | The control method and control system of high power wall washing lamp |
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| Publication Number | Publication Date |
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| CN106455217A CN106455217A (en) | 2017-02-22 |
| CN106455217B true CN106455217B (en) | 2017-11-14 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US7384150B2 (en) * | 2005-05-27 | 2008-06-10 | 3M Innovative Properties Company | Light emitting diode (LED) illumination control system and method |
| WO2010097987A1 (en) * | 2009-02-25 | 2010-09-02 | シャープ株式会社 | Illumination device, display device, data generation method, data generation program, and recording medium |
| JP2012118313A (en) * | 2010-12-01 | 2012-06-21 | Mitsumi Electric Co Ltd | Luminance controller, display device with luminance controller, and illuminating device |
| CN102830573B (en) * | 2012-09-10 | 2015-08-19 | 华为终端有限公司 | A kind of flash control method and device |
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