CN103634989B - A kind of device and method that LED drive power output parameter is set - Google Patents
A kind of device and method that LED drive power output parameter is set Download PDFInfo
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- CN103634989B CN103634989B CN201310641849.2A CN201310641849A CN103634989B CN 103634989 B CN103634989 B CN 103634989B CN 201310641849 A CN201310641849 A CN 201310641849A CN 103634989 B CN103634989 B CN 103634989B
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Abstract
The present invention proposes a kind of device arranging LED drive power output parameter, comprise LED drive power and output parameter arranges equipment, the corresponding terminal that input and the output of described LED drive power arrange equipment with described output parameter is respectively connected; Described output parameter arranges equipment and comprises the switching circuit be connected with the output of described LED drive power, described output parameter arranges equipment arranges described LED drive power output parameter by the turn-on and turn-off time controlling described switching circuit, and makes described LED drive power carry out work according to the output parameter arranged; Its DC output line as holding wire, and is transmitted its output parameter by described DC output line by described LED drive power.The invention still further relates to a kind of method that LED drive power output parameter is set.Implement the device and method that LED drive power output parameter is set of the present invention, there is following beneficial effect: structure is simple, cost is lower.
Description
Technical field
The present invention relates to field of LED drive, particularly a kind of device and method that LED drive power output parameter is set.
Background technology
At present, the most of LED lamp on market is all complete by the series connection adduction joint group of LED lamp bead is incompatible.Different application scenarios, different compound modes can be selected by different manufacturers.And making standard will be forced to be infeasible in this field, be also unscientific.Make by LED lamp bead flexible combination and meet the requirement of various product, just one of the main feature of LED illumination lamp.But relative with this demand is LED drive power product is only in standardization, just can improves reliability when production in enormous quantities, reduce costs.How should make flexibly, improve reliability again and reduce costs, this problem values must be inquired into.Had company at present in the technology of exploitation this respect, but the increase that have selected without exception arranges circuit and the mode arranging terminal, its cost is higher, complex structure; Special when these schemes are applied on waterproof power supply time, cost increases with becoming multiple especially, and cost pressure when it is applied is very large.Existing LED drive power DC output line carries out lighting, carries out optimum configurations with data wire, and this also can increase cost undoubtedly.
Summary of the invention
The technical problem to be solved in the present invention is, for the defect that said structure is complicated, cost is higher of prior art, provides a kind of structure simple, the lower-cost device and method arranging LED drive power output parameter.
The technical solution adopted for the present invention to solve the technical problems is: construct a kind of device arranging LED drive power output parameter, comprise LED drive power and output parameter arranges equipment, the corresponding terminal that input and the output of described LED drive power arrange equipment with described output parameter is respectively connected; Described output parameter arranges equipment and comprises the switching circuit be connected with the output of described LED drive power, described output parameter arranges equipment arranges described LED drive power output parameter by the turn-on and turn-off time controlling described switching circuit, and makes described LED drive power carry out work according to the output parameter arranged; Its DC output line as holding wire, and is transmitted its output parameter by described DC output line by described LED drive power.
Arrange in the device of LED drive power output parameter of the present invention, described output parameter arranges equipment and also comprises and being connected with the input of described LED drive power, arranging for controlling described LED drive power and output parameter the mains switch that equipment connects.
Arrange in the device of LED drive power output parameter of the present invention, described output parameter arranges equipment and also comprises and arrange for controlling described output parameter the button that equipment carries out startup work.
Arrange in the device of LED drive power output parameter of the present invention, described output parameter arranges equipment and also comprises single-chip microcomputer, described single-chip microcomputer is connected with described mains switch, switching circuit and button respectively, described single-chip microcomputer controls described power switch conducts when described button is pressed, and controls described switching circuit and carry out conducting or shutoff by the rule preset.
Arrange in the device of LED drive power output parameter of the present invention, described switching circuit comprises the first switch and resistance, one end of described resistance is connected with the output of described LED drive power, the other end is connected with one end of described first switch, and the other end of described first switch is connected with described single-chip microcomputer.
Arrange in the device of LED drive power output parameter of the present invention, described LED drive power comprises the EPROM for storing data.
The invention still further relates to a kind of method that LED drive power output parameter is set, comprise the steps:
A) judge whether button is pressed, in this way, by power switch conducts and perform step B); Otherwise, proceed the judgement of this step;
B) the first switch conduction or shutoff is controlled according to the rule preset;
C) output current of described LED drive power is detected, and judge that whether described output current is according to the described rule change preset, and in this way, performs step D); Otherwise, perform step F);
D) detect the Changing Pattern of described output current and obtain supplemental characteristic;
E) judge whether to receive complete supplemental characteristic, in this way, described supplemental characteristic to be saved in EPROM and to perform step F); Otherwise, return step D);
F) output voltage of described LED drive power and output current are arranged by the supplemental characteristic in described EPROM, and make described LED drive power carry out work according to the supplemental characteristic arranged.
Arrange in the method for LED drive power output parameter of the present invention, described step F) comprise further:
F1) supplemental characteristic in described EPROM is read;
F2) output voltage of described LED drive power and output current are arranged by described supplemental characteristic;
F3) judge that whether the output voltage of described LED drive power is consistent with the supplemental characteristic of described setting with output current, in this way, perform step F 5); Otherwise, perform step F 4);
F4) adjust output voltage and the output current of described LED drive power, and return step F 3);
F5) described LED drive power carries out work according to the supplemental characteristic of described setting.
Arrange in the method for LED drive power output parameter of the present invention, described in the rule that presets be sequential coding mode.
Arrange in the method for LED drive power output parameter of the present invention, the output voltage of described LED drive power and parameter corresponding to output current are represented by a binary sequence.
Implement the device and method that LED drive power output parameter is set of the present invention, there is following beneficial effect: equipment is set owing to using LED drive power and output parameter, the turn-on and turn-off time that output parameter is arranged through control switch circuit arranges the output parameter of LED drive power, and makes LED drive power carry out work according to the output parameter arranged; Its DC output line as holding wire, and is transmitted its output parameter by DC output line, so that eliminate data wire by LED drive power, reduce cost, simultaneously because it does not need arranging circuit and arranging terminal of the power supply with similar functions, so its product structure is simple, cost is lower; What namely above-mentioned LED drive power was provided with output voltage and output current arranges function, does not have again extra to arrange port, and its product reliability is higher, and when being applied to the special power supplies such as waterproof power supply, advantage is more obvious.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the electrical block diagram that the present invention arranges in device and method embodiment of LED drive power output parameter;
Fig. 2 is the flow chart of method in described embodiment;
Fig. 3 be in described embodiment to the output voltage of LED drive power and output current by arranging, and make LED drive power carry out the particular flow sheet of work according to the supplemental characteristic arranged.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Arrange in the device and method embodiment of LED drive power output parameter in the present invention, it arranges the electrical block diagram of the device of LED drive power output parameter as shown in Figure 1.In Fig. 1, this device arranging LED drive power output parameter comprises LED drive power 1 and output parameter arranges equipment 2, wherein, LED drive power 1 comprises the EPROM for storing data, input and the output of LED drive power 1 arrange equipment 2 respectively corresponding terminal with output parameter is connected, be exactly specifically that the input of LED drive power 1 arranges equipment 2 by the splicing ear of LED drive power input line with output parameter and is connected, the output of LED drive power 1 arranges equipment 2 by the splicing ear of LED drive power output line with output parameter and is connected.Output parameter arranges equipment 2 and comprises switching circuit 21, switching circuit 21 is connected with the output of LED drive power 1, output parameter arranges equipment 2 arranges LED drive power 1 output parameter (output voltage and output current) by the turn-on and turn-off time of control switch circuit 21, and makes LED drive power 1 carry out work according to the output parameter arranged.It is worth mentioning that, LED drive power 1 input AC electricity, exports direct current.In the present embodiment, its DC output line as holding wire, and is transmitted its output parameter by DC output line by LED drive power 1, is exactly specifically that output parameter arranges equipment 2 and sends output parameter to LED drive power 1 by DC output line.It does not need extra data wire to carry out optimum configurations, only can complete optimum configurations and lighting function with DC output line, so which reduce cost, simultaneously because this device does not need arranging circuit and arranging terminal of the power supply with similar functions, so its product structure is simple, cost is lower; What namely above-mentioned LED drive power was provided with output voltage and output current arranges function, does not have again extra to arrange port, and its product reliability is higher, and when being applied to the special power supplies such as waterproof power supply, advantage is more obvious.
In the present embodiment, output parameter arranges equipment 2 and also comprises mains switch 22, and mains switch 22 is connected with the input of LED drive power 1, arrange the connection of equipment 2 for controlling LED drive power 1 and output parameter.Output parameter arranges equipment 2 and also comprises button 23, and button 23 arranges equipment 2 carry out startup work for controlling output parameter.Output parameter arranges equipment 2 and also comprises single-chip microcomputer 24, single-chip microcomputer 24 is connected with mains switch 22, switching circuit 21 and button 23 respectively, single-chip microcomputer 24 controls mains switch 22 conducting when button 23 is pressed, and control switch circuit 21 carries out conducting or shutoff by the rule preset.
In the present embodiment, switching circuit 21 comprises the first K switch 1 and resistance R, and one end of resistance R is connected with the output of LED drive power 1, and the other end is connected with one end of the first K switch 1, and the other end of the first K switch 1 is connected with single-chip microcomputer 24.Particularly, when Switching Power Supply 24 conducting, single-chip microcomputer 24 controls the first K switch 1 and carries out conducting or shutoff according to the rule preset, and namely controls the length of the first K switch 1 ON time.The output parameter of LED drive power 1 can be made to arrange so easy, easy to use, its cost is lower.
The present embodiment also relates to a kind of method arranging LED drive power output parameter, and its flow chart as shown in Figure 2.In Fig. 2, this method arranging LED drive power output parameter comprises:
Step S01 judges whether button is pressed: in this step, judges whether button is pressed, and namely output parameter arranges equipment and first waits for the process that user is arranged by key to run, in this step, if the result judged is yes, then performs step S02; Otherwise, proceed the judgement of this step.
Step S02 is by power switch conducts: if the judged result of above-mentioned steps S01 is yes, namely button is pressed, then perform this step.In this step, when the button is pressed, output parameter arranges equipment first turn-on power switch, and at this moment LED drive power and output parameter arrange between equipment and connect.
Step S03 controls the first switch conduction or shutoff according to the rule preset: in this step, controls the first switch conduction or shutoff according to the rule preset, and the above-mentioned rule preset is sequential coding mode.In the present embodiment, be exactly specifically represent 0 or 1 of binary number by the time length of the first K switch 1 conducting here, the coded system of output parameter is as follows: then the first K switch 1 conducting 1.6 milliseconds turns off 1.6 milliseconds and represent numeral 0, then first K switch 1 conducting 1.6 milliseconds turns off 3.2 milliseconds and represents numeral 1, then the parameter corresponding to the output voltage of LED drive power and output current is represented by the sequence of a binary number, in other words, namely the output voltage of LED drive power and parameter corresponding to output current are represented by a binary sequence.
The output current of step S04 to LED drive power detects, and judge that whether output current is according to the rule change preset: in this step, LED drive power is conducting or shutoff by detecting its output current to judge the first K switch 1, and judge that whether output current is according to the rule change preset, if the result judged is yes, then perform step S05; Otherwise, perform step S08.
Step S05 detects the Changing Pattern of output current and obtains supplemental characteristic: if the judged result of above-mentioned steps S04 is yes, then perform this step.In this step, in time detecting that output current is the rule change according to defining, the program detected with regard to start-up parameter also obtains the supplemental characteristic that will arrange.It is worth mentioning that, execute this step, perform step S06.
Step S06 judges whether to receive complete supplemental characteristic: in this step, judges whether to receive complete supplemental characteristic, namely judges whether to receive all supplemental characteristics, if the result judged is yes, then performs step S07; Otherwise, return step S05.
Supplemental characteristic is saved in EPROM by step S07: if the judged result of above-mentioned steps S06 is yes, then perform this step.In this step, after receiving all supplemental characteristics, supplemental characteristic is preserved certificate in EEPROM by LED drive power.
The output voltage of LED drive power and output current arrange by the supplemental characteristic in EPROM by step S08, and make LED drive power carry out work according to the supplemental characteristic arranged: in this step, the output voltage of LED drive power and output current are arranged by the supplemental characteristic (supplemental characteristic in EPROM) obtained, and makes LED drive power carry out work according to the supplemental characteristic arranged.The output voltage of LED drive power and the setting of output current with regard to simple realization like this.
For the present embodiment, above-mentioned steps S08 also can refinement further, and the flow chart after its refinement as shown in Figure 3.In Fig. 3, step S08 comprises further:
Step S81 reads the supplemental characteristic in EPROM: in this step, reads the supplemental characteristic in EPROM.
The output voltage of LED drive power and output current arrange by supplemental characteristic by step S82: in this step, the output voltage of LED drive power and output current are arranged by supplemental characteristic, namely the output voltage of LED drive power and output current is arranged by the supplemental characteristic in the EPROM read.
Step S83 judges that whether the output voltage of LED drive power is consistent with the supplemental characteristic arranged with output current: in this step, judge that whether the output voltage of LED drive power is consistent with the supplemental characteristic arranged with output current, if the result judged is yes, then perform step S85; Otherwise, perform step S84.
Step S84 adjusts output voltage and the output current of LED drive power: if the judged result of above-mentioned steps S83 is no, then perform this step.In this step, adjustment LED drive power the size of output parameter, be exactly specifically the adjustment output voltage of LED drive power and the size of output current, re-execute the process of a setting.It is worth mentioning that, execute this step, return step S83.
Step S85 LED drive power carries out work according to the supplemental characteristic arranged: if the judged result of above-mentioned steps S83 is yes, then perform this step.In this step, LED drive power carries out work according to the supplemental characteristic arranged.
In a word, in the present embodiment, utilize the output line of LED drive power as holding wire, complete the setting of LED drive power output voltage and output current.Only need that the input of LED drive power and output and output parameter are arranged terminal corresponding on equipment to be connected, perform the operation of setup parameter, just can set output voltage and the output current of LED drive power.When output parameter arranges the output voltage of equipment Inspection to LED drive power and the parameter words of the same size of output current and setting, a process arranged just completes; If output parameter arranges equipment Inspection to the output voltage of LED drive power with the parameter of output current and setting is not of uniform size causes, the just size of the output parameter of adjustment LED drive power, re-execute a process arranged, until the parameter of the output voltage of LED drive power and output current and setting is in the same size, then a process arranged just completes.Then this LED drive power will carry out work according to the output parameter set.Apparatus structure of the present invention is simple, simplifies and has fallen to have arranging circuit and arranging terminal of the power supply of similar functions, apply cost low; What LED drive power was provided with output voltage and output current arranges function, does not have again extra to arrange port, and its reliability is higher, and when being applied to the special power supplies such as waterproof power supply, advantage is more obvious; Actual easy to use, only the input of LED drive power and output need be connected to output parameter and arrange on equipment, be electrified the setting that just automatically can complete output voltage and output current, operate very easy.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (4)
1. a method for LED drive power output parameter is set, it is characterized in that, comprise the steps:
A) judge whether button is pressed, in this way, by power switch conducts and perform step B); Otherwise, proceed the judgement of this step;
B) the first switch conduction or shutoff is controlled according to the rule preset;
C) output current of described LED drive power is detected, and judge that whether described output current is according to the described rule change preset, and in this way, performs step D); Otherwise, perform step F);
D) detect the Changing Pattern of described output current and obtain supplemental characteristic;
E) judge whether to receive complete supplemental characteristic, in this way, described supplemental characteristic to be saved in EPROM and to perform step
F); Otherwise, return step D);
F) output voltage of described LED drive power and output current are arranged by the supplemental characteristic in described EPROM, and make described LED drive power carry out work according to the supplemental characteristic arranged.
2. the method arranging LED drive power output parameter according to claim 1, is characterized in that, described step
F) comprise further:
F1) supplemental characteristic in described EPROM is read;
F2) output voltage of described LED drive power and output current are arranged by described supplemental characteristic;
F3) judge that whether the output voltage of described LED drive power is consistent with the supplemental characteristic of described setting with output current, as
Perform step F 5); Otherwise, perform step F 4);
F4) adjust output voltage and the output current of described LED drive power, and return step F 3);
F5) described LED drive power carries out work according to the supplemental characteristic of described setting.
3. the method arranging LED drive power output parameter according to claim 1 and 2, is characterized in that, described in the rule that presets be sequential coding mode.
4. the method arranging LED drive power output parameter according to claim 1, is characterized in that, the output voltage of described LED drive power and parameter corresponding to output current are represented by a binary sequence.
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| CN201310641849.2A CN103634989B (en) | 2013-12-03 | 2013-12-03 | A kind of device and method that LED drive power output parameter is set |
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| CN104113963A (en) * | 2014-05-04 | 2014-10-22 | 麦克奥迪实业集团有限公司 | LED illuminator module with recognition codes |
| CN114258170B (en) * | 2021-11-29 | 2024-04-19 | 中山市特新电子科技有限公司 | Lamp control device, color temperature-controllable lamp and data transmission method |
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| CN101478855A (en) * | 2009-01-10 | 2009-07-08 | 吴广毅 | Lamp light brightness regulating apparatus and method thereof |
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| CN202652084U (en) * | 2012-03-21 | 2013-01-02 | 深圳市福佳电器有限公司 | Switch-power-supply digital-display voltage-adjustable controller |
| CN103370990A (en) * | 2010-12-16 | 2013-10-23 | 塞瑞斯逻辑公司 | Switching parameter based discontinuous mode-critical conduction mode transition |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2722304Y (en) * | 2004-07-08 | 2005-08-31 | 上海环达计算机科技有限公司 | Power supply switch adjusting circuit of manual information processor |
| CN101478855A (en) * | 2009-01-10 | 2009-07-08 | 吴广毅 | Lamp light brightness regulating apparatus and method thereof |
| CN103370990A (en) * | 2010-12-16 | 2013-10-23 | 塞瑞斯逻辑公司 | Switching parameter based discontinuous mode-critical conduction mode transition |
| CN201994852U (en) * | 2011-03-09 | 2011-09-28 | 东莞市斯格电子有限公司 | Power adapter with self-induction adjusted output voltage |
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