CN107172781B - Vision light source controller may be programmed the control system and implementation method of different flash patterns - Google Patents
Vision light source controller may be programmed the control system and implementation method of different flash patterns Download PDFInfo
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- CN107172781B CN107172781B CN201710438669.2A CN201710438669A CN107172781B CN 107172781 B CN107172781 B CN 107172781B CN 201710438669 A CN201710438669 A CN 201710438669A CN 107172781 B CN107172781 B CN 107172781B
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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
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
Abstract
The invention discloses control systems and implementation method that a kind of vision light source controller may be programmed different flash patterns, including trigger module, main control module, counting module, reseting module, comparison module and flow table generation module, the signal output end of trigger module are connected with the interruption detection input of main control module, and main control module exports the state that control signal controls controlled light source according to flow table；Counting module is connected with main control module with comparison module respectively, and reseting module input terminal is connected with comparison module output end, and reseting module output end is connected with counting module signal input part.Programmable different flash patterns of the invention only need flow table of preset in advance, combination stroboscopic light source can be allowed cyclically automatically to work according to flow table within each period, improve the response speed of combination of light sources stroboscopic operation, reduce the setting time, corresponding different flash patterns can be set according to the actual situation simultaneously, its strobe mode flexibility and changeability is suitble to the use of modern light-operated occasion.
Description
Technical field
The present invention relates to vision light source control fields more particularly to a kind of vision light source controller may be programmed different flash patterns
Control system and implementation method.
Background technique
Currently, light source controller has been applied to the every field of light source control, the main function of controller is control light
The brightness and illumination state (bright, go out) in source.Usually, there are mainly two types of modes for control of the controller to light source: being always on mode
And different flash patterns.The advantage of different flash patterns be can in the case where not influencing light source service life moment improve light source several times it is bright
Degree, for industrial camera, this mode can obtain the image of high quality within the extremely short time for exposure, be suitble to dynamic object
High-speed capture.
When controller is implemented to control to existing different flash patterns, strobe mode is often fixation, after setting, is controlled
Its brightness of the light source of system and pulsewidth only have a kind of state every time, and which limits its usage scenarios.And in many use occasions,
Multiple light sources are generally required to be combined with different strobe modes to work.Assuming that synthesizing a product in industry control scene and shining
Piece needs 4 cameras to shoot 10 photos from different angles, every time when shooting, light angle and intensity that 4 cameras need
All it is different.If controlled with the existing different flash patterns of controller, require that this time frequency is arranged in each stroboscopic
The parameter needed is dodged, for this reason, it may be necessary to 10 subparameters are arranged, this response speed with regard to increasing different flash patterns significantly is reduced
The efficiency of stroboscopic operation is combined, therefore, the response speed of each frequency when different flash patterns combination how is solved, improves combination stroboscopic
Working efficiency, it appears particularly important.The present invention has well solved this problem by programmable different flash patterns, its basis first
Camera shoots required 10 kinds of light conditions and presets a flow table, and controller can be cyclically according to this flow table
Stroboscopic operation is executed, to realize that controller high-speed set closes stroboscopic operation.
Programmable different flash patterns of the invention can under different conditions, according to the default stream of the actual demand of light source
Journey table, the table are the stroboscopic operation each step to be executed.Therefore the present invention is made by the programmable of realization different flash patterns
Stroboscopic operation mode flexibility and changeability is obtained, the use of modern light-operated occasion is very suitable to.
Summary of the invention
It is an object of the invention to: a kind of vision light source controller provided to solve above-mentioned the deficiencies in the prior art
The implementation method of programmable different flash patterns, by realizing the programmable of different flash patterns, so that stroboscopic operation mode flexibly may be used
Become, improve the response speed of combination of light sources stroboscopic operation, be very suitable to the use of modern light-operated occasion, realizes light source high speed
Stroboscopic work in combination.
To achieve the goals above, the present invention adopts the following technical scheme:
Vision light source controller may be programmed the control system of different flash patterns, including trigger module, main control module, count module
Block, reseting module, comparison module and flow table generation module, the interruption detection of the signal output end and main control module of trigger module
Input terminal is connected, and the main control module exports the state that control signal controls controlled light source according to flow table generation module；
The counting module is connected with main control module with comparison module respectively, the reset signal input of the reseting module
End is connected with comparison module output end, and the reset signal output end of the reseting module is connected with counting module signal input part
It connects.
The invention also discloses the implementation method that a kind of energy vision light source controller may be programmed different flash patterns, feature exists
In, specifically includes the following steps:
(a) flow table needed for first passing through flow table generation module setting different flash patterns in advance；And determine maximum process step
It counts and is saved；The flow table includes trigger source signal value TRIG, pwm value and brightness value；
(b) connected by the way that N number of trigger source signal of trigger module to be separately connected to the triggering interface of main control module and is corresponded
It connecing, while main control module output port is connected to controlled light source, main control module detects trigger signal by N number of external interrupt,
It is arranged independently of each other between each interruption simultaneously；
(c) according to preset flow table, the corresponding interrupt source of each process only only one can trigger stroboscopic work
Make, the signal of other trigger sources can be ignored shielding, and pass through main control module and ceaselessly detect triggering corresponding to current process
Signal；
(d) when main control module detects corresponding trigger signal, it is first shut off respective external interruption, and by count module
Block compares mould and detects whether more current process step number exceeds maximum process step number, if current process step number is not above most
Big process step number then carries out current process step number by counting module to add 1, and otherwise reseting module resets current process step number；
(e) respective channel brightness value and triggering pwm value are arranged according to flow table, respective sources is then opened by controller
With the timer in main control module；
(f) after timer count is to corresponding pwm value, light source and timer are closed；Current process is just completed in this way
Stroboscopic operation；
(g) step (c) and step (e) are repeated, after process step number reaches maximum value, process is again from the stream in flow table
Journey 1 is started to work.
Preferably, the corresponding one group of brightness value of each trigger source signal value TRIG and one group of pwm value, and every group of brightness
Value is identical with the number of pwm value to be set as M, and the quantity of the maximum process step number is 2M.
Preferably, by trigger source signal, interrupt detection pwm value and light-source brightness quantity is set as 4, then maximum process
Step number is 8, has that steps are as follows:
(a) flow table needed for different flash patterns are set, including trigger source, pwm value and brightness value.And determine maximum process
Step number 8；
(b) 4 trigger source signals are separately connected controller triggering interface TRIG1, TRIG2, TRIG3, TRIG4, master control mould
Block output port is connected to controlled light source, and main control module detects trigger signal by 4 external interrupts, while each is interrupted
Between be arranged independently of each other；
(c) according to flow table, the corresponding interrupt source of each process only only one can trigger stroboscopic operation, other triggerings
The signal in source can be ignored shielding, and ceaselessly detect trigger signal corresponding to current process by main control module；
(d) when main control module detects corresponding trigger signal, it is first shut off respective external interruption, and by count module
Block, comparison module detect whether more current process step number exceeds maximum process step number, if current process step number is not above
Maximum process step number 8 then carries out current process step number by counting module to add 1, and otherwise reseting module resets current process step
Number；
(e) respective channel brightness value and triggering pwm value are arranged according to flow table, respective sources is then opened by controller
With the timer in main control module；
(f) after timer count is to corresponding pwm value, light source and timer are closed；Current process is just completed in this way
Stroboscopic operation；
(g) step (c) and step (e) are repeated, after process step number reaches maximum value 8, process is again from flow table
Process 1 is started to work.
The beneficial effects of the present invention are: the present invention solves in combination of light sources stroboscopic occasion, traditional different flash patterns
Setting primary parameter is required in every task, leads to the problem that setting steps are tediously long, response speed is slow.Of the invention compiles
Journey different flash patterns only need flow table of preset in advance, can allow combination stroboscopic light source within each period cyclically according to process
Table work substantially increases the response speed of combination of light sources stroboscopic operation, while programmable different flash patterns can be according to practical feelings
Corresponding different flash patterns are arranged in condition, and strobe mode flexibility and changeability is practical, are very suitable to the use of modern light-operated occasion.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is structural schematic diagram when 4 tunnel trigger signal being arranged in the present invention.
In appended drawing reference: 1. trigger modules；2. main control module；2-1. timer；3. counting module；4. reseting module；5.
Comparison module；6. flow table generation module；7. controlled light source.
Specific embodiment
Present invention will be further explained below with reference to the attached drawings and examples.
As shown in Figure 1, vision light source controller may be programmed the control system of different flash patterns, including trigger module 1, master control mould
Block 2, counting module 3, reseting module 4, comparison module 5 and flow table generation module 6, the signal output end of trigger module 1 and master
The interruption detection input of control module 2 is connected, and the main control module 2 exports control signal control according to flow table generation module 6
Make the state of controlled light source 7；
The counting module 3 is connected with main control module 2 with comparison module 5 respectively, the reset signal of the reseting module 4
Input terminal is connected with 5 output end of comparison module, and the reset signal output end and 3 signal of counting module of the reseting module 4 are defeated
Enter end to be connected.
The invention also discloses the implementation method that a kind of energy vision light source controller may be programmed different flash patterns, feature exists
In, specifically includes the following steps:
(h) flow table needed for different flash patterns are arranged in flow table generation module 6 is first passed through in advance；And determine maximum process step
It counts and is saved；The flow table includes trigger source signal value TRIG, pwm value and brightness value；
(i) it is corresponded by the way that N number of trigger source signal of trigger module 1 to be separately connected to the triggering interface of main control module 2
Connection, while 2 output port of main control module is connected to controlled light source 7, main control module 2 detects triggering by N number of external interrupt
Signal, while being arranged independently of each other between each interruption；
(j) according to preset flow table, the corresponding interrupt source of each process only only one can trigger stroboscopic work
Make, the signal of other trigger sources can be ignored shielding, and pass through main control module 2 and ceaselessly detect triggering corresponding to current process
Signal；
(k) when main control module 2 detects corresponding trigger signal, it is first shut off respective external interruption, and by count module
Block 3, comparison module 5 detect whether more current process step number exceeds maximum process step number, if current process step number does not surpass
Maximum process step number is crossed, then current process step number is carried out by counting module 3 adding 1, otherwise reseting module 4 resets current process
Step number；
(l) respective channel brightness value and triggering pwm value are arranged according to flow table, respective sources is then opened by controller
With the timer 2-1 in main control module 2；
(m) after timer 2-1 count down to corresponding pwm value, light source and timer are closed；Current stream is just completed in this way
The stroboscopic operation of journey；
(n) step (c) and step (e) are repeated, after process step number reaches maximum value, process is again from the stream in flow table
Journey 1 is started to work.
Preferably, working efficiency is improved, the corresponding one group of brightness value of each trigger source signal value TRIG and one group of pulsewidth
Value, and every group of brightness value is identical with the number of pwm value is set as M, and the quantity of the maximum process step number is 2M.
As shown in Fig. 2, trigger source signal, interruption detection pwm value and light-source brightness quantity are set as in the present embodiment
4, then maximum process step number is 8, has that steps are as follows:
(h) flow table needed for different flash patterns are set, including trigger source, pwm value and brightness value.And determine maximum process
Step number 8；
(i) 4 trigger source signals are separately connected controller triggering interface TRIG1, TRIG2, TRIG3, TRIG4, master control mould
2 output port of block is connected to controlled light source 7, and main control module 2 detects trigger signal, while each by 4 external interrupts
It is arranged independently of each other between interruption；
(j) according to flow table, the corresponding interrupt source of each process only only one can trigger stroboscopic operation, other triggerings
The signal in source can be ignored shielding, and ceaselessly detect trigger signal corresponding to current process by main control module 2；
(k) when main control module 2 detects corresponding trigger signal, it is first shut off respective external interruption, and by count module
Block 3, comparison module 5 detect whether more current process step number exceeds maximum process step number, if current process step number does not surpass
Maximum process step number 8 is crossed, then current process step number is carried out by counting module 3 adding 1, otherwise reseting module 4 resets current stream
Journey step number；
(l) respective channel brightness value and triggering pwm value are arranged according to flow table, respective sources is then opened by controller
With the timer 2-1 in main control module 2；
(m) after timer 2-1 count down to corresponding pwm value, light source and timer are closed；Current stream is just completed in this way
The stroboscopic operation of journey；
(n) step (c) and step (e) are repeated, after process step number reaches maximum value 8, process is again from flow table
Process 1 is started to work.
In programmable different flash patterns, each stroboscopic carries out selection trigger source according to flow table, each process only has one
A trigger source being capable of trigger controller.In previous example, the flow table that a maximum process step number is 8, such as the following table 1 are set.
Table 1
In upper flow table, when programmable stroboscopic executes, according to sequence circular flow of the flow table from 1 to 8.Due to every
Only one secondary trigger source generates trigger signal, and in process 1, the trigger source of setting is 1.That is, only trigger source 1
Trigger signal can trigger into operational process 1, the signal of trigger source 2-4 can be automatically ignored.Similarly, in process 2,
The trigger source of setting is 2.That is, the trigger signal of only trigger source 2 can be triggered into operational process 2, trigger source 1,
3,4 signal can be automatically ignored.The rest may be inferred, 8 processes in flow table has been executed in order, then again from process 1
Start to execute.
The present embodiment solves in combination of light sources stroboscopic occasion, and traditional different flash patterns require to set in every task
Setting primary parameter causes setting to bother, the slow problem of response speed, and the programmable different flash patterns in the present embodiment only need pre- in advance
If a flow table, combination stroboscopic light source can be allowed cyclically to work according to flow table within each period, substantially increase light
The response speed of stroboscopic operation is combined in source, while corresponding stroboscopic mould can be arranged in programmable different flash patterns according to the actual situation
Formula, strobe mode flexibility and changeability is practical, is very suitable to the use of modern light-operated occasion.
According to the disclosure and teachings of the above specification, those skilled in the art in the invention can also be to above-mentioned embodiment party
Formula is changed and is modified.Therefore, the invention is not limited to above-mentioned specific embodiment, all those skilled in the art exist
Made any conspicuous improvement, replacement or modification all belong to the scope of protection of the present invention on the basis of the present invention.This
Outside, although using some specific terms in this specification, these terms are merely for convenience of description, not to the present invention
Constitute any restrictions.
Claims (4)
1. the implementation method that vision light source controller may be programmed different flash patterns, which is characterized in that specifically includes the following steps:
(a) flow table needed for first passing through flow table generation module (6) setting different flash patterns in advance；And determine maximum process step number
And it is saved；The flow table includes trigger source signal value TRIG, pwm value and brightness value；
(b) it is corresponded by the way that N number of trigger source signal of trigger module (1) to be separately connected to the triggering interface of main control module (2)
Connection, while main control module (2) output port is connected to controlled light source (7), main control module (2) is examined by N number of external interrupt
Trigger signal is surveyed, while being arranged independently of each other between each interruption；
(c) according to preset flow table, the corresponding interrupt source of each process only only one can trigger stroboscopic operation,
The signal of his trigger source can be ignored shielding, and the letter of triggering corresponding to current process is ceaselessly detected by main control module (2)
Number；
(d) when main control module (2) detects corresponding trigger signal, it is first shut off respective external interruption, and by counting module
(3), comparison module (5) detects whether more current process step number exceeds maximum process step number, if current process step number does not have
More than maximum process step number, then current process step number is carried out by counting module (3) adding 1, otherwise reseting module (4) reset is worked as
Preceding process step number；
(e) respective channel brightness value and triggering pwm value are arranged according to flow table, respective sources and master is then opened by controller
Control the timer (2-1) in module (2)；
(f) after timer (2-1) count down to corresponding pwm value, light source and timer are closed；Current process is just completed in this way
Stroboscopic operation；
(g) step (c) and step (e) are repeated, after process step number reaches maximum value, process is again from the process 1 in flow table
It starts to work.
2. the implementation method that vision light source controller according to claim 1 may be programmed different flash patterns, which is characterized in that every
One corresponding one group of brightness value of trigger source signal value TRIG and one group of pwm value, and every group of brightness value is identical with the number of pwm value
It is set as M, and the quantity of the maximum process step number is 2M.
3. the implementation method that vision light source controller according to claim 1 may be programmed different flash patterns, which is characterized in that will
Trigger source signal, interruption detection pwm value and light-source brightness quantity are set as 4, then maximum process step number is 8, have step such as
Under:
(a) flow table needed for different flash patterns are set, including trigger source, pwm value and brightness value, and determine maximum process step number
8；
(b) 4 trigger source signals are separately connected controller triggering interface TRIG1, TRIG2, TRIG3, TRIG4, main control module
(2) output port is connected to controlled light source (7), and main control module (2) detects trigger signal by 4 external interrupts, while every
It is arranged independently of each other between one interruption；
(c) according to flow table, the corresponding interrupt source of each process only only one can trigger stroboscopic operation, other trigger sources
Signal can be ignored shielding, and ceaselessly detect trigger signal corresponding to current process by main control module (2)；
(d) when main control module (2) detects corresponding trigger signal, it is first shut off respective external interruption, and by counting module
(3), comparison module (5) detects whether more current process step number exceeds maximum process step number, if current process step number does not have
More than maximum process step number 8, then current process step number is carried out by counting module (3) adding 1, otherwise reseting module (4) resets
Current process step number；
(e) respective channel brightness value and triggering pwm value are arranged according to flow table, respective sources and master is then opened by controller
Control the timer (2-1) in module (2)；
(f) after timer (2-1) count down to corresponding pwm value, light source and timer are closed；Current process is just completed in this way
Stroboscopic operation；
Step (c) and step (e) are repeated, after process step number reaches maximum value 8, process is opened from the process 1 in flow table again
Beginning work.
4. one kind is applied to the control that vision light source controller described in any one of claim 1 ~ 3 may be programmed different flash patterns
System, which is characterized in that including trigger module (1), main control module (2), counting module (3), reseting module (4), comparison module
(5) and flow table generation module (6), the signal output end of trigger module (1) and the interruption detection input phase of main control module (2)
Connection, the main control module (2) export the state that control signal controls controlled light source (7) according to flow table generation module (6)；
The counting module (3) is connected with main control module (2) with comparison module (5) respectively, the reset of the reseting module (4)
Signal input part is connected with comparison module (5) output end, the reset signal output end and counting module of the reseting module (4)
(3) signal input part is connected.
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| CN109688339B (en) * | 2019-01-21 | 2023-12-22 | 深圳精创视觉科技有限公司 | Programmable LED light source stroboscopic controller |
| CN110475076B (en) * | 2019-08-20 | 2021-01-05 | 桂林电子科技大学 | FPGA-based multi-light-source exposure controller and method |
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| WO1996003850A1 (en) * | 1994-07-25 | 1996-02-08 | International Energy Conservation Systems, Inc. | Universal switching device and method for lighting applications |
| CN1446444A (en) * | 2000-06-07 | 2003-10-01 | 西门子公司 | Method and device for controlling luminous units in optical monitoring system |
| CN102788891A (en) * | 2012-07-30 | 2012-11-21 | 电子科技大学 | Complex waveform sequence generator |
| CN105451393A (en) * | 2015-12-22 | 2016-03-30 | 成都泓睿科技有限责任公司 | Light source controller for simultaneously controlling multiple cameras and multiple light sources |
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|---|---|---|---|---|
| CN1075017A (en) * | 1991-12-24 | 1993-08-04 | 廖国强 | Controller for photographic lighting |
| WO1996003850A1 (en) * | 1994-07-25 | 1996-02-08 | International Energy Conservation Systems, Inc. | Universal switching device and method for lighting applications |
| CN1446444A (en) * | 2000-06-07 | 2003-10-01 | 西门子公司 | Method and device for controlling luminous units in optical monitoring system |
| CN102788891A (en) * | 2012-07-30 | 2012-11-21 | 电子科技大学 | Complex waveform sequence generator |
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