CN205124033U - Solar control ware circuit of self -adaptation LED load VF value - Google Patents
Solar control ware circuit of self -adaptation LED load VF value Download PDFInfo
- Publication number
- CN205124033U CN205124033U CN201520946004.9U CN201520946004U CN205124033U CN 205124033 U CN205124033 U CN 205124033U CN 201520946004 U CN201520946004 U CN 201520946004U CN 205124033 U CN205124033 U CN 205124033U
- Authority
- CN
- China
- Prior art keywords
- led
- current
- chip microcomputer
- single chip
- semiconductor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The utility model discloses a solar control ware circuit of self -adaptation LED load VF value. The utility model discloses combine constant voltage and constant current to synthesize intelligent control, need not set for load LED connection in series -parallel quantity, also need not confirm different LED's VF value, according to initial setting automatic identification. Even certain lamp pearl or certain a set of LED in the work, can all make it according to this circuit and programming solar control ware under the only a set of current detection's of LED load the circumstances can automatic adjustment bearing force, and the circuit is simplified to the very big cost that dwindles, improves the practicality of solar control ware.
Description
Technical field
The utility model relates to the optimization of controller for solar to band LED load function, has obvious advantage, specifically relate to a kind of controller for solar circuit of adaptive LED supported V F value to the universal efficiency utilization of controller for solar.
Background technology
Solar energy is as a kind of resource of green energy conservation, and country actively encourages and advocates large-scale popularization, and its field of applying expands gradually, and this photovoltaic technology is acknowledged as one of 21 century high-technology field most with prospects.Current controller for solar mainly adopts current constant mode, namely series lamp pearl quantity is pre-determined, parallel lamp pearl quantity, by detecting the fixing current value of resistance constant current setting, when the detection voltage reaching chip pin then closes driving, until second period starts in one-period.Which operating current is stablized, relatively good control, but limitation is exactly setting, and group number in parallel just cannot be changed, unless manually adjusted or adjustment programme, not so and joint group number is very few or wherein a few groups of LED load are damaged time, the size of current of former setting still can be provided, the electric current of so extra increase can be added in the shunt circuit worked, cause LED overload, reduce the life-span even to accelerate to damage, detect separately if every bar parallel branch increases test point, taking cost into account lose more than gain again.
Utility model content
The purpose of this utility model is the controller for solar circuit providing a kind of adaptive LED supported V F value, mainly solve existing current controller for solar when mainly adopting current constant mode, the group number of LED parallel connection needs adjustment programme when changing, otherwise can cause and cannot change problem.
The utility model carries out adjusting and optimizing to controller for solar bringing onto load function, first the energising initial stage drives duty ratio progressively to increase fast by boost, booster circuit voltage is increased by a certain percentage, current sense resistor starts to detect load current, in one-period, just closes boost drive until next cycle when electric current reaches preset value.
When load parallel lamp group is very few, time when the electric current of setting is very large again, usual boost driving can be opened larger and larger, booster voltage constantly rises, load current can be increasing, common control mode does not limit booster voltage, electric current acceleration rise exceedes LED lamp bead rated current can affect the lamp pearl life-span, this circuit then detects simultaneously and controls the voltage of boosting, when driving in one-period also can be closed more than a definite limitation even without reaching setting electric current, ensure that the electric current often organizing lamp is no more than the upper limit allowing electric current.
In addition, damage for preventing in the course of work a certain group or a few groups of LED load and the situation of being shared by electric current in lamp groups of other normal work occurs, Isobarically Control and detection is carried out during work, namely when a certain group or a few groups of LED load damages, it is constant to ensure total current that other lamp groups normally worked can increase electric current, voltage then in other lamp groups normally worked can start to increase, now owing to setting constant voltage mode, such electric current would not add, and ensure that the size of current of lamp group in normal work is constant.
To achieve these goals, the technical solution adopted in the utility model is as follows:
A kind of controller for solar circuit of adaptive LED supported V F value, comprise PIC single chip microcomputer, the boost booster circuit of one end access anode, other end access LED positive pole, one end is accessed LED positive pole, the voltage detected is input to PIC single chip microcomputer voltage detecting pin then to the constant voltage testing circuit of its Isobarically Control, and one end is accessed LED negative pole, the load current detected is input to PIC single chip microcomputer current detecting pin then to the constant current testing circuit of its current constant control.PIC single chip microcomputer then sets the detection upper voltage limit value of constant voltage testing circuit and the detection upper current limit value of constant current testing circuit, independent detection fully utilizes again, and operationally utilize PIC single chip microcomputer setting voltage constant, can decline but no longer raise, ensure that LED load can not exist overcurrent situations with this, utilize PIC single chip microcomputer to realize constant voltage and constant current and combine and the function automatically adapting to VF value.
As preferably, described PIC single chip microcomputer adopts 16F1827.
Particularly, described boost booster circuit comprises boost inductance L201, diode D201 and metal-oxide-semiconductor Q201; Described boost inductance L201 one end connects anode, the other end connects diode D201 positive pole, is connected to the drain electrode of metal-oxide-semiconductor Q201, the source ground of metal-oxide-semiconductor Q201 simultaneously, grid is connected with the Isobarically Control pin of PIC single chip microcomputer, and diode D201 negative pole connects LED positive pole.
Further, described constant voltage testing circuit comprises resistance R205 and R206, the voltage division signal of output is delivered to PIC single chip microcomputer and detects in good time and control; Described resistance R205 one end connects LED positive pole, and the other end connects PIC single chip microcomputer voltage detecting pin, and the other end is contact resistance R206 one end simultaneously, the resistance R206 other end then ground connection.
Again further, described constant current testing circuit comprises metal-oxide-semiconductor Q301, current sense resistor R305, amplifier and peripheral cell; The drain electrode of described metal-oxide-semiconductor Q301 connects LED negative pole, source electrode is connected with current sense resistor R305, grid is connected with the current constant control pin of PIC single chip microcomputer, the current sense resistor R305 other end then ground connection, the normal phase input end of amplifier is then connected between the source electrode of metal-oxide-semiconductor Q301, current sense resistor R305, and output is connected with the current detecting pin of PIC single chip microcomputer.Detection signal is taken between the source electrode of metal-oxide-semiconductor Q301 and current sense resistor R305, is added on amplifier LM258 carries out a certain proportion of amplification by resistance R309, finally feeds back to the current detecting pin LEDsense of PIC single chip microcomputer.
As preferably, described metal-oxide-semiconductor Q201 and Q301 all adopts T470.
Compared with prior art, the utility model has following beneficial effect:
(1) the utility model combines constant voltage and the control of constant current comprehensive intelligent, need not set load LED strip quantity in parallel, also need not confirm the VF value of different LED, automatically identify according to initial setting.Even if certain lamp pearl or a certain group of LED in work, can enable automatically to adjust load capacity according to this circuit and programming controller for solar when LED load only has one group of current detecting.
(2) the utility model extends the lamp pearl life-span, guarantees that more multiple current can not be assigned on the lamp pearl of other normal parallel branches of work by the damage of certain a part of lamp pearl.
(3) the utility model greatly reduces cost, and simplify circuit, control mode is simple, improves the practicality of controller for solar, is beneficial to large-scale popularization.
Accompanying drawing explanation
Fig. 1 is circuit theory diagrams of the present utility model.
Embodiment
Below in conjunction with embodiment and accompanying drawing, the utility model is described in further detail, and execution mode of the present utility model includes but not limited to the following example.
Embodiment
As shown in Figure 1, a kind of controller for solar circuit of adaptive LED supported V F value, is made up of boost booster circuit, constant voltage testing circuit, constant current testing circuit, PIC single chip microcomputer 16F1827.
Boost booster circuit forms primarily of boost inductance L201, diode D201 and metal-oxide-semiconductor Q201, because discharging current is very large, boost inductance L201 selects the magnetic material of iron sial, one end connects input (i.e. anode Battery+), the other end connects diode D201 positive pole, be connected to the drain electrode of metal-oxide-semiconductor Q201 (selecting T470) simultaneously, the source ground of metal-oxide-semiconductor Q201, grid is connected with the Isobarically Control Boost_drive pin of PIC single chip microcomputer, and diode D201 negative pole connects LED positive pole.
Constant voltage testing circuit is made up of resistance R205 and R206, the voltage division signal of output is delivered to PIC single chip microcomputer and detects in good time and control.Resistance R205 one end connects LED positive pole, and the other end connects PIC single chip microcomputer voltage detecting pin Vout_sense, contact resistance R206 one end simultaneously, the resistance R206 other end then ground connection.
Constant current testing circuit is made up of metal-oxide-semiconductor Q301, current sense resistor R305, amplifier LM258 and peripheral cell.The drain electrode of metal-oxide-semiconductor Q301 connects LED negative pole, and source electrode is connected with current sense resistor R305, and grid is connected with the current constant control LED_drv pin of PIC single chip microcomputer, the current sense resistor R305 other end then ground connection.Detection signal is taken from the source electrode of metal-oxide-semiconductor Q301 and detects between resistance R305, is added on amplifier LM258 and carries out a certain proportion of amplification, finally feed back to the current detecting LEDsense pin of PIC single chip microcomputer by resistance R309.
In the present embodiment, peripheral cell comprises the electric capacity C302 be connected with the normal phase input end of amplifier LM258, the resistance R310 be connected with inverting input, the electric capacity C303 be connected with output, and is connected to the resistance R311 between inverting input and output.
In addition in the present embodiment, the positive pole of LED is also connected with electric capacity C202, this electric capacity C202 other end ground connection; Resistance R213, resistance R214 that the positive pole of LED also connects in turn, the other end ground connection of resistance R213, resistance R214.
The drain electrode of metal-oxide-semiconductor Q201 is also connected with resistance R203, R204 parallel with one another, and the other end of this resistance R203, R204 is also in series with electric capacity C203, the other end ground connection of this electric capacity C203.
According to above-described embodiment, just the utility model can be realized well.What deserves to be explained is; under prerequisite based on said structure design; for solving same technical problem; even if some making on the utility model are without substantial change or polishing; the essence of the technical scheme adopted is still the same with the utility model, therefore it also should in protection range of the present utility model.
Claims (6)
1. the controller for solar circuit of an adaptive LED supported V F value, it is characterized in that, comprise PIC single chip microcomputer, the boost booster circuit of one end access anode, other end access LED positive pole, one end is accessed LED positive pole, the voltage detected is input to PIC single chip microcomputer voltage detecting pin then to the constant voltage testing circuit of its Isobarically Control, and one end is accessed LED negative pole, the load current detected is input to PIC single chip microcomputer current detecting pin then to the constant current testing circuit of its current constant control.
2. the controller for solar circuit of a kind of adaptive LED supported V F value according to claim 1, is characterized in that, described PIC single chip microcomputer adopts 16F1827.
3. the controller for solar circuit of a kind of adaptive LED supported V F value according to claim 1, it is characterized in that, described boost booster circuit comprises boost inductance L201, diode D201 and metal-oxide-semiconductor Q201; Described boost inductance L201 one end connects anode, the other end connects diode D201 positive pole, is connected to the drain electrode of metal-oxide-semiconductor Q201, the source ground of metal-oxide-semiconductor Q201 simultaneously, grid is connected with the Isobarically Control pin of PIC single chip microcomputer, and diode D201 negative pole connects LED positive pole.
4. the controller for solar circuit of a kind of adaptive LED supported V F value according to claim 3, it is characterized in that, described constant voltage testing circuit comprises resistance R205 and R206; Described resistance R205 one end connects LED positive pole, and the other end connects PIC single chip microcomputer voltage detecting pin, and the other end is contact resistance R206 one end simultaneously, the resistance R206 other end then ground connection.
5. the controller for solar circuit of a kind of adaptive LED supported V F value according to claim 4, it is characterized in that, described constant current testing circuit comprises metal-oxide-semiconductor Q301, current sense resistor R305, amplifier and peripheral cell; The drain electrode of described metal-oxide-semiconductor Q301 connects LED negative pole, source electrode is connected with current sense resistor R305, grid is connected with the current constant control pin of PIC single chip microcomputer, the current sense resistor R305 other end then ground connection, the normal phase input end of amplifier is then connected between the source electrode of metal-oxide-semiconductor Q301, current sense resistor R305, and output is connected with the current detecting pin of PIC single chip microcomputer.
6. the controller for solar circuit of a kind of adaptive LED supported V F value according to claim 5, it is characterized in that, described metal-oxide-semiconductor Q201 and Q301 all adopts T470.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520946004.9U CN205124033U (en) | 2015-11-24 | 2015-11-24 | Solar control ware circuit of self -adaptation LED load VF value |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520946004.9U CN205124033U (en) | 2015-11-24 | 2015-11-24 | Solar control ware circuit of self -adaptation LED load VF value |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205124033U true CN205124033U (en) | 2016-03-30 |
Family
ID=55579599
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520946004.9U Active CN205124033U (en) | 2015-11-24 | 2015-11-24 | Solar control ware circuit of self -adaptation LED load VF value |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205124033U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111770613A (en) * | 2020-06-06 | 2020-10-13 | 深圳市零奔洋光电股份有限公司 | Adaptive control circuit and method for LED lamp strip |
-
2015
- 2015-11-24 CN CN201520946004.9U patent/CN205124033U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111770613A (en) * | 2020-06-06 | 2020-10-13 | 深圳市零奔洋光电股份有限公司 | Adaptive control circuit and method for LED lamp strip |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101815386B (en) | LED lamp and control circuit thereof | |
| CN101997446B (en) | Artificial intelligent environment self-recognition multifunctional controller used for solar battery | |
| CN105207305B (en) | Fault detector monitoring terminal based on solar charging power technology | |
| CN203589779U (en) | Solar storage battery charging-discharging controller | |
| CN102368633B (en) | Solar energy and mains supply complementation controller | |
| CN102548154A (en) | Control device for solar light-emitting diode (LED) lighting system | |
| CN106998609A (en) | A kind of intelligent lighting system based on Internet of Things and solar energy | |
| CN203039966U (en) | Solar LED lamp control system | |
| CN205124033U (en) | Solar control ware circuit of self -adaptation LED load VF value | |
| CN101977472A (en) | Efficient LED illuminating lamp | |
| CN203057626U (en) | Solar LED street lamp controller | |
| CN205027886U (en) | Energy -conserving aging system of general direct current - DC power supply | |
| CN209119884U (en) | A kind of solar controller and solar power system based on NB-IOT | |
| CN101110519A (en) | Method for charging batteries | |
| CN202797031U (en) | Intelligent conjunction box | |
| CN109586358A (en) | A kind of power-supply management system and method | |
| CN205657469U (en) | Can realize independent photovoltaic intelligent control device of quick charge | |
| CN204425258U (en) | A kind of can the photovoltaic charged control circuit of MPPT of two-way charging | |
| CN201134955Y (en) | LED luminous light driving controller with high stability | |
| CN102625511B (en) | Self-boosting wind and light complementation solar energy street lamp controller | |
| CN209627755U (en) | A kind of solar street lamp controller based on MPPT | |
| CN200966004Y (en) | Battery charger | |
| CN202587502U (en) | Control-driven system for lithium-battery photovoltaic LED | |
| CN202455135U (en) | Dual shift constant current charger | |
| CN103002631A (en) | Intelligent solar micro-computerized soft-drive constant-current source controller |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No.277, Gangtong North 4th Road, north area of Chengdu modern industrial port, Pixian County, Chengdu, Sichuan 610000 Patentee after: CHENGDU DONGXU INTELLIGENT TECHNOLOGY Co.,Ltd. Address before: No.277, Gangtong North 4th Road, north area of Chengdu modern industrial port, Pixian County, Chengdu, Sichuan 610000 Patentee before: CHENGDU TUNGHSU LIGHTING TECHNOLOGY CO.,LTD. |
|
| CP01 | Change in the name or title of a patent holder |