CN204559932U - Controller applied to street lamp - Google Patents
Controller applied to street lamp Download PDFInfo
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- CN204559932U CN204559932U CN201520060522.0U CN201520060522U CN204559932U CN 204559932 U CN204559932 U CN 204559932U CN 201520060522 U CN201520060522 U CN 201520060522U CN 204559932 U CN204559932 U CN 204559932U
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- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 3
- 229910052753 mercury Inorganic materials 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000004020 luminiscence type Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
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- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
Abstract
The utility model relates to a be applied to controller of street lamp only needs to couple this controller between the power, can dispose the emitting diode quantity in the inside lamp source of street lamp in a flexible way, and the controller can provide a operating voltage to automatically, listen these some emitting diode's total current, utilize at every turn to listen voltage and total current to calculate the operating voltage that these some emitting diode are whole to switch on at present.
Description
Technical field
The utility model is about a kind of lighting system control method being applied to street lamp.
Background technology
In environmental consciousness surging epoch now, the exploitation of the energy and consuming is paid attention to more.For extending mankind's activity time and increasing operational environment, lighting apparatus be daily in can not obtain scarce thing, at present conventional illumination with bulb or fluorescent tube for principal light source, even if only those devices still have its shortcoming through repeatedly improveing, wherein bulb is luminous with tungsten filament, photoelectric conversion efficiency is low, most energy more consumes at heat energy, therefore power consumption is high, reaction damages slowly or easily, and for making electronics mutually clash into generation light in fluorescent tube, needs to fill mercury gas, only mercury pollutes well known to environment, is unsuitable for the discussion of environmental protection subject under discussion.Replace the mainstream technology of bulb or fluorescent tube, the highest with light-emitting diode (Light-Emitting Diode:LED) cry, it utilizes electronics mobile characteristic producing light in semi-conducting material energy rank, have that power consumption is low and efficiency is high, again not like conventional bulb with filament light-emitting, therefore long service life and not fragile, or fill mercury gas substantial pollution is caused to environment.Therefore, in order to lower energy resource consumption and environmental pollution, street lamp is eliminated comprehensively is changed to LED lamp source by current most policy.
In addition, manufacturer is for making light-emitting diode user without the need under changing lighting apparatus situation separately, and the research and development of light-emitting diode mainly coordinate known lamp socket specification, by most light-emitting diode in serial or parallel connection mode, are arranged on lamp socket, form a light fixture.Ge Jia manufacturer is according to its application target and environment again, arranges light-emitting diode string or quantity in parallel is inconsistent in every lamp interior.Such as, a current light-emitting diode rated voltage about 3 ~ 4 volts, multiple light-emitting diode serial or parallel connection may be become a light fixture by manufacturer, or light fixture can the rated voltage being suitable for 110 volts, family that makes of serial or parallel connection.Therefore, it is namely different that each manufacturer produces the required voltage consumed of light fixture, make the light fixture that the light-emitting diode of different pattern or varying number is formed, required voltage is different, or every light-emitting diode rated voltage is different, if be applied to street lamp, the reliability for every light-emitting diode is a test.
For solving the problem, in known techniques, providing a kind of light fixture, arranging a luminous lamp strip, luminous lamp strip comprises multiple light-emitting diode, and this light fixture comprises: a driver module, a housing, a lampshade and lamp socket.Driver module comprises a driver element and a specification identification unit, and the specification data that driver element corresponding specification identification unit obtains provides the electronic environment of specific electronic characteristics to give luminous lamp strip, makes luminous lamp strip luminous.Luminous lamp strip is arranged between housing and lampshade, and be electrically connected driver module via lamp socket, and wherein, foregoing metrics data obtained by specification identification unit self-luminescent lamp bar.By the specification identification unit be arranged in light fixture, obtain the specification data be stored in the specification storage element of luminous lamp strip, to pick out the characteristic electron of luminous lamp strip and/or the luminescence component in it, thus the electronic environment meeting luminous lamp strip characteristic electron used is provided, make luminous lamp strip luminous.Only the light fixture of this kind of method dependence specification identification unit identification different size, need arrange specification storage element in addition, if be applied on street lamp, will cause extra power consumption and space.
Another known techniques is a kind of LED control circuit, be applicable to control one light-emitting diode lamp tube, this light-emitting diode lamp tube comprises plural LED light string, wherein this light-emitting diode lamp tube preferably maximum input voltage be no more than 70 volts and the lamp string number of LED light string is better be limited to 4 strings within.This LED control circuit comprises plural diode, a protective circuit, plural constant-current circuit and a diverter switch.The positive pole of each diode connects the output of single LED light string.Protective circuit is connected to the negative pole of each diode, and when having light-emitting diode to occur short circuit during the input terminal voltage of this light-emitting diode lamp tube is higher than a critical value or this light-emitting diode lamp tube, this protective circuit exports a switching signal.Each constant-current circuit connects the output of single LED light string, and control this constant-current circuit according to a switch controlling signal and whether work with and then control this light-emitting diode lamp tube and whether work, and control the brightness of this light-emitting diode lamp tube according to a dimming control signal.Diverter switch does not affect this switch controlling signal when not receiving this switching signal, and controls this light-emitting diode lamp tube when receiving this switching signal by this switch controlling signal and do not work.Said method utilizes constant-current circuit, each LED light string can be worked, and control brightness, only the method is for avoiding the excessive damage of voltage, its restriction lamp string maximum voltage is for being no more than 70 volts, be applied to street lamp, cannot the quantity of its light-emitting diode of flexible configuration, very inconvenient.
To sum up, when known techniques cannot make light-emitting diode be applied in street lamp, increase stability and the life-span of every light-emitting diode, and make it can the significant deficiency of flexible configuration light-emitting diode quantity.
Utility model content
Main purpose of the present utility model is the controller providing a kind of street lamp, can drive multiple street lamp, and the lamp source of street lamp is made up of multiple light-emitting diode.
Secondary objective of the present utility model is the controller providing a kind of street lamp, the operating voltage of the light-emitting diode of those street lamps of Auto-Sensing, makes voltage be suitable for LED operation point.
For reaching above-mentioned censured each object and effect, the utility model discloses a kind of controller of street lamp, and user only need couple controller between power supply, gets final product the quantity of flexible configuration light-emitting diode.Controller supplies multiple lamp voltage, this voltage little by little increases, controller total current after each voltage amplification of light-emitting diode of those street lamps of Auto-Sensing, each booater voltage is utilized to calculate the operating voltage of the whole conducting of those light-emitting diodes at present with the total current detected at every turn, after determining this operating voltage, namely this controller stops voltage amplification, makes that rear end light-emitting diode is unlikely answers voltage excessive and damage.
The utility model in one embodiment, the controller of this street lamp, it comprises: a control unit, has voltage input end, and voltage output end, and voltage output end exports a voltage and supplies multiple street lamp; And a detecting unit, detect a total current of those light-emitting diodes; Wherein, control unit is according to this total current adjustment operating voltage.
In a further preferred embodiment, the control unit of this controller, more comprises a computing circuit to the utility model, calculates the slope of this voltage and this total current.
In a further preferred embodiment, the control unit of this controller, more comprises one drive circuit to the utility model, little by little amplification can supply the voltage of the light-emitting diode of street lamp.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is described in further detail, in accompanying drawing:
Fig. 1: it is the controller schematic diagram of the utility model one preferred embodiment street lamp;
Fig. 2: it is the characteristic curve of the forward bias voltage drop of light-emitting diode;
Fig. 3: it is the workflow diagram of the utility model another ㄧ preferred embodiment controller;
Fig. 4: it is the controller schematic diagram of another preferred embodiment of the utility model;
Fig. 5: it is the slope calculations schematic diagram of the utility model computing circuit.
[figure number is to as directed]
10 LED controllers
100 control units
101 computing circuits
102 drive circuits
200 detecting units
D light-emitting diode
Embodiment
For making to have a better understanding and awareness architectural feature of the present utility model and effect of reaching, coordinating detailed description in order to preferred embodiment and accompanying drawing, being described as follows:
With reference to Fig. 1, it is the controller schematic diagram of ㄧ preferred embodiment street lamp of the present utility model: as shown in the figure, the controller 10 of the utility model street lamp, and it comprises: a control unit 100; And a detecting unit 200.Control unit 100 has a voltage input end Vin and couples power supply, and voltage output end Vo exports an operating voltage and supplies multiple street lamp, wherein the lamp source of those street lamps is made up of multiple light-emitting diode D, therefore will represent with multiple light-emitting diode D below, and one detecting unit 200 detect the total current of those light-emitting diodes D, and these total current data are given control unit 100, control unit 100 is according to total current adjustment operating voltage.
Please refer to Fig. 2, it is the characteristic curve of the forward bias voltage drop of light-emitting diode: as shown in the figure, and the control unit 100 of the utility model controller, during according to known single light emitting diode operation, as curve C
1shown in, there is a cut-in voltage Vcut, when voltage is less than this cut-in voltage Vcut, light-emitting diode is non-conducting state, and operating current is very small, and levels off to 0, but when voltage is greater than cut-in voltage Vcut, light-emitting diode is conducting state, and operating current rises rapidly.In like manner can push away, most identical light-emitting diode series connection, as curve C
2shown in, when serial number is more, cut-in voltage Vcut then can be larger; Most identical light-emitting diodes are in parallel, and when number in parallel is more, operating current gathers way can be faster, as curve C
3shown in; If identical light-emitting diode is connected simultaneously and in parallel time, then cut-in voltage Vcut increases, while operating current also increase in the lump.Control unit 100 of the present utility model can control the voltage supplying light-emitting diode D, uses and drives multiple light-emitting diode D.Detecting unit 200 detects the total current of those light-emitting diodes D, and this total current signal return is given control unit 100, and control unit 100 is according to this total current adjustment driving voltage.Because those light-emitting diode serial or parallel connection quantity are unknown, the total current that control unit 100 utilizes detecting unit 200 to detect obtains the operating voltage of the whole conducting of those light-emitting diodes D, and control the voltage of supply light-emitting diode D, make this voltage equal operating voltage.Above device and method, power supply is through the controller 10 of street lamp of the present utility model, the light-emitting diode D ON operation voltage of whole street lamp can be obtained, and supply operating voltage, and when group's street lamp serial connection, interior light emitting diodes quantity can flexible configuration, and maintains stable supplying voltage, increases the street lamp life-span.
Please refer to Fig. 3, it is the controller workflow diagram of the utility model one preferred embodiment: as shown in the figure, and according to aforementioned controllers 10, its step is described as follows, and in step S10, control unit 100 output produces a voltage and gives multiple light-emitting diode; Step S20, detecting unit 200 detects the total current of light-emitting diode; Step S30, this voltage of control unit 100 amplification; Step S40, detecting unit 200 detects the total current of light-emitting diode; Step S50: the slope of control unit 200 calculating voltage and total current; Step S60: according to this slope, determines the operating voltage of the whole conducting of those light-emitting diodes; Step S70: if those light-emitting diodes are all whole conducting, namely produces a conducting signal, and control unit 200 is no longer continued voltage amplification, if those light-emitting diode not all conductings, namely gets back to step S30.Through said method flow process, can obtain an operating voltage of the complete conducting of those light-emitting diodes, and utilize controller 10 maintained a little more than by voltage or equal operating voltage, reason voltage is excessive and damage to make those light-emitting diodes.Through above-mentioned flow process, can obtain an operating voltage of the complete conducting of those light-emitting diodes, and utilize controller that voltage is maintained operating voltage, reason voltage is excessive and damage to make those light-emitting diodes.
Please refer to Fig. 4, it is the controller schematic diagram of another preferred embodiment of the utility model: as shown in the figure, and wherein this control unit 100 more comprises: a computing circuit 101, one drive circuit 102.This computing circuit 101 has two inputs, wherein one end receives the voltage of supply light-emitting diode, the other end receives the total current signal obtained by detecting unit 200, drive circuit 102 has an input and couples power supply, output exports the voltage of supply light-emitting diode D, drive circuit 102 is to the voltage amplification gradually of supply light-emitting diode, make voltage by initial value, each time interval increases by a small volt, the required adjustment of the visual user of this small volt, such as adjustable range is from 10
-5mV is to 10
-1mV, when resolution requirements is larger, then each increasing degree of voltage is less.During one input receiver voltage of computing circuit 101, another input can obtain a total current, when voltage increases by a small volt at every turn, just obtain another total current, now, computing circuit 101 is according to the voltage after the voltage before amplification and total current and amplification and total current, calculating voltage current slope, through this slope can judge at present use the operating voltage of light-emitting diode, when computing circuit 101 obtains the operating voltage of used light-emitting diode D up till now, drive circuit 102 is given by a work signal transmission, when drive circuit 102 receives work signal, namely the voltage continuing amplification supply light-emitting diode is stopped, this voltage is made to equal operating voltage.Above device and method, power supply, through the controller 10 of light-emitting diode of the present utility model, can obtain and need operating voltage up till now, makes those light-emitting diodes be all operating state, when being applied to street lamp, can the quantity of flexible configuration light-emitting diode.
Please refer to Fig. 5, it is the slope calculations schematic diagram of the utility model computing circuit; As shown in the figure, this figure system partial enlargement light-emitting diode characteristic curve C, the voltage that wherein drive circuit supplies at every turn is Vn, Vn1, Vn2 and Vn3, and voltage Vn and Vn1 is less than Vcut, and voltage Vn2 and Vn3 is greater than Vcut.Have a total current In when voltage is Vn, when voltage amplification is to Vn1, have another total current In1, now, computing circuit 101 is by voltage Vn and total current In, and with voltage Vn1 and total current In1, can obtain a slope S 1, computing formula is:
When voltage amplification is to Vn2, have a total current In2, now, computing circuit 2011 is by voltage Vn1 and total current In1, and with voltage Vn2 and total current In2, can obtain a slope S 2, computing formula is:
By that analogy as voltage Vn3, computing circuit 101 also can obtain a total current In3 and a slope S 3.Can obtain thus, when voltage gradually amplification time, on light-emitting diode, voltage and current slope can be larger, and when voltage equals Vn or Vn1, light-emitting diode may conducting not yet completely, very little in voltage slope S that Vn1 obtains 1; When voltage is Vn2 or Vn3, all light-emitting diodes may whole conducting states, voltage slope S that Vn2 and Vn3 obtains 2 and S3 very large.It is noted that conducting and may the meaning of whole conductings not yet completely herein, though refer to for the identical light-emitting diode of specification, cut-in voltage to still have in reality gap slightly, such as 10
-5mV is even less, when voltage is too close to the cut-in voltage of every light-emitting diode, makes and the non-conducting of not all light-emitting diode or conducting.The solution of this part can solve by the resolution of voltage amplification, and the adjustment of its intermediate-resolution is as aforementioned.In addition, operating voltage is determined via this slope, and drive circuit 102 is given in the transmission of work signal, the required adjustment of the visual user of this slope size, such as user only wants to make those LED operation, and need not give fully loaded rated voltage, then set slope value less, but make its all LED operation, otherwise it is larger then to set slope value, but does not make all light-emitting diodes damage.
The utility model utilizes diode operation characteristic, complete a kind of LED controller and method, this LED controller has a control unit outputting drive voltage, and a detecting unit, detect a total current of those light-emitting diodes, control unit calculates the operating voltage of current light-emitting diode according to this total current, and voltage is maintained operating voltage, when this controller is applied in street lamp, this street lamp life-span can be increased, and make light-emitting diode quantity look demand flexible configuration.
Should be understood that, for those of ordinary skills, can be improved according to the above description or convert, and all these improve and convert the protection range that all should belong to the utility model claims.
Claims (7)
1. be applied to a controller for street lamp, it is characterized in that, this controller comprises:
One control unit, exports an operating voltage and gives multiple street lamp; And
One detecting unit, detects a total current of those street lamps, and this control unit is given in the passback of this total current, and wherein this control unit adjusts this operating voltage according to this total current.
2. controller as claimed in claim 1, it is characterized in that, wherein the lamp source of those street lamps is made up of multiple light-emitting diode.
3. controller as claimed in claim 2, it is characterized in that, wherein this control unit more comprises a computing circuit, calculates the slope of this operating voltage and this total current.
4. controller as claimed in claim 3, it is characterized in that, wherein this control unit more comprises one drive circuit, little by little this operating voltage of amplification.
5. controller as claimed in claim 2, it is characterized in that, wherein those light-emitting diodes are suitable for same nominal voltage.
6. controller as claimed in claim 2, is characterized in that, wherein those light-emitting diodes are series connection.
7. controller as claimed in claim 2, is characterized in that, wherein those light-emitting diodes are in parallel.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW103216663 | 2014-09-19 | ||
| TW103216663U TWM499728U (en) | 2014-09-19 | 2014-09-19 | Illumination system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204559932U true CN204559932U (en) | 2015-08-12 |
Family
ID=53441471
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520060522.0U Expired - Fee Related CN204559932U (en) | 2014-09-19 | 2015-01-28 | Controller applied to street lamp |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN204559932U (en) |
| TW (1) | TWM499728U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11856667B2 (en) | 2021-03-19 | 2023-12-26 | Teknoware Oy | Self-regulating power supply and method for regulating an output of a self-regulating power supply |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI576006B (en) * | 2014-09-19 | 2017-03-21 | Light emitting diode controller and method thereof | |
| TWI559814B (en) * | 2015-05-29 | 2016-11-21 | 明緯（廣州）電子有限公司 | Adaptive modulation method in response to records of turn on and turn off |
| TWI630841B (en) * | 2017-04-12 | 2018-07-21 | 點晶科技股份有限公司 | Driving circuit and illumination device |
-
2014
- 2014-09-19 TW TW103216663U patent/TWM499728U/en not_active IP Right Cessation
-
2015
- 2015-01-28 CN CN201520060522.0U patent/CN204559932U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11856667B2 (en) | 2021-03-19 | 2023-12-26 | Teknoware Oy | Self-regulating power supply and method for regulating an output of a self-regulating power supply |
Also Published As
| Publication number | Publication date |
|---|---|
| TWM499728U (en) | 2015-04-21 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150812 Termination date: 20190128 |