CN202931628U - Solar LED wireless control constant current integral controller - Google Patents
Solar LED wireless control constant current integral controller Download PDFInfo
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- CN202931628U CN202931628U CN 201220586883 CN201220586883U CN202931628U CN 202931628 U CN202931628 U CN 202931628U CN 201220586883 CN201220586883 CN 201220586883 CN 201220586883 U CN201220586883 U CN 201220586883U CN 202931628 U CN202931628 U CN 202931628U
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Abstract
The utility model provides a solar LED wireless control constant current integral controller, comprising a microprocessor master control chip arranged on the control circuit board in a sealed housing, a wireless/receiving circuit communicated with a remote controller, a charging module connected between the a solar cell panel and a storage battery and a constant current source module connected between the output of the storage battery and an LED street lamp. The wireless/receiving circuit, the charging module and the constant current source module are respectively connected with the microprocessor master control chip, a digital potentiometer is included, and the load current of the constant current source module is adjusted by the digital potentiometer under the control of the microprocessor master control chip. According to the solar LED wireless control constant current integral controller, the digital potentiometer controlled by an MCU is employed, automatic control on the constant current source module is achieved through the control of the MCU on the digital potentiometer, and operation is convenient.
Description
Technical field
The utility model relates to the solar street light control field, particularly a kind of solar LED controlled in wireless constant current integrated machine controller.
Background technology
At present, along with Application of Solar Energy extensively and profoundly, its application on the LED street lamp is also more and more.LED street lamp advantage is energy-conservation, and its maximum characteristics are can light modulation and regulating power.What at present provide electric energy for street lamp can be sun-generated electric power, this street lamp is called solar street light, and for more energy-conservation, solar street light adopts LED as light source, therefore, be divided into regular solar controller for road lamp and the large class of LED controller for solar two on the controller function of solar street light.LED controller for solar applied environment major part is all road lamp system, is called the LED solar street lamp controller.The running environment of LED Solar Street Lighting System often can be more abominable, the phenomenon that ubiquity humidity is high.Therefore, general LED solar street lamp controller is all water proof type, and product is contained in a can the inside, more in addition the material such as silica gel or resin fills to reach the waterproof purpose.Yet if with the Constant Current-Source Design method of traditional LED controller for solar, the output transducer that adopts a fixed resistance to do constant-current source is to reach the adjustable purpose of electric current.Electric current is non-adjustable causes it can only be used in special-purpose LED Solar Street Lighting System, when LED load lamp number in parallel changes with regard to cisco unity malfunction.Traditional LED controller for solar also exists and uses mechanical key that height parameter is set, and when large-engineering occurring, when road lamp system quantity is huge, operates very difficult.
The utility model content
The purpose of this utility model is the deficiency that solves the irreconcilable appearance of traditional LED controller for solar load current difficulty of parameters when using on a large scale, and a kind of LED solar street lamp controller is provided.
the utility model is by following solution: a kind of solar LED controlled in wireless constant current integrated machine controller, comprise the microprocessor main control chip on the control circuit board that is arranged in can, communicate by letter with remote controller wireless/receiving circuit, be connected to the charging module between solar panel and storage battery, constant-current source module between storage battery output and LED street lamp, described wireless/receiving circuit and charging module, the constant-current source module is connected with described microprocessor main control chip respectively, it is characterized in that: also comprise digital regulation resistance, described digital regulation resistance is regulated the load current of described constant-current source module under the control of microprocessor main control chip.
Further, in above-mentioned solar LED controlled in wireless constant current integrated machine controller: described digital regulation resistance is connected with the microprocessor main control chip by iic bus, produces reference potential and controls the constant-current source module.
Further, in above-mentioned solar LED controlled in wireless constant current integrated machine controller, it is characterized in that: be provided with lightning protection circuit in described charging module, described lightning protection circuit comprises the anti-thunder tube at the two ends that are connected in parallel on solar panel.
Further, in above-mentioned solar LED controlled in wireless constant current integrated machine controller: it is characterized in that: described charging module comprises the anode of solar panel and the line between accumulator anode; Be arranged on the negative electrode of solar panel and the control switch pipe on storage battery negative electrode connecting line, described control switch pipe is controlled by the microprocessor main control chip pwm signal that produces and is controlled open and close.
Further, in above-mentioned solar LED controlled in wireless constant current integrated machine controller: described control switch pipe comprises field effect transistor Q7, field effect transistor Q15, field effect transistor Q8 and field effect transistor Q12; After being connected, the source electrode of the source electrode of described field effect transistor Q7 and field effect transistor Q15 is connected with the negative electrode of described solar panel, the drain electrode of the drain electrode of described field effect transistor Q7 and field effect transistor Q15 is connected with the source electrode of the source electrode of field effect transistor Q8 and field effect transistor Q12, is connected with the negative electrode of described storage battery after the drain electrode of the drain electrode of described field effect transistor Q8 and field effect transistor Q12 is connected; The grid of the grid of described field effect transistor Q7 and field effect transistor Q15 is connected with the first drive circuit that described pwm signal is controlled, and the grid utmost point of described field effect transistor Q8 is connected with the second drive circuit that field effect transistor Q12 grid and described pwm signal are controlled.
Further, in above-mentioned solar LED controlled in wireless constant current integrated machine controller: described the first drive circuit comprises triode Q2, triode Q5, diode D9, diode D10 and the resistance R 15 of positive-negative-positive, resistance R 3, resistance R 1, resistance R 16, resistance R 7, the resistance R 11 of NPN type; The emitter of described pwm signal access triode Q2, resistance R 15 and resistance R 3 series windings, the other end of resistance R 15 is connected with described pwm signal, the other end ground connection of resistance R 3, the base stage connecting resistance R15 of triode Q2 and the tie point of resistance R 3, the collector electrode of triode Q2 connects the anode of diode D9, the negative electrode connecting resistance R1 of diode D9, the other end of resistance R 1 is connected with resistance R 16 with the base stage of triode Q5, the negative electrode of another termination solar panel of resistance R 16, the collector electrode of triode Q5 connects the negative electrode of solar panel; Triode Q5 emitter is connected with resistance R 11 with resistance R 7, the negative electrode of another terminating diode D10 of resistance R 7, and the anode of diode D10 connects the 15V power supply, the grid of another termination field effect transistor Q7 of R11 and the grid of field effect transistor Q15.
Further, in above-mentioned solar LED controlled in wireless constant current integrated machine controller: described the second drive circuit comprises triode Q13, diode D11, resistance R 6, resistance R 53, resistance R 45, the resistance R 46 of positive-negative-positive; Described pwm signal is connected with the anode of diode D11, the negative electrode of diode D11 connects the base stage of described triode Q13 by resistance R 46, be connected with the negative electrode of solar panel by resistance R 45 between resistance R 46 and triode Q13 base stage tie point, resistance R 53 is arranged between the negative electrode and anode of solar panel; The emitter of triode Q13 is connected with the grid of resistance R 6 and field effect transistor Q8 and the grid of field effect transistor Q12 respectively, another termination 15V power supply of resistance R 6.
Further, in above-mentioned solar LED controlled in wireless constant current integrated machine controller: also comprise battery tension sample circuit, solar array voltage sample circuit, temperature sampling circuit, the output of described battery tension sample circuit, solar array voltage sample circuit, temperature sampling circuit connects the microprocessor main control chip.
The utility model by the control of MCU to digital regulation resistance, can be realized the automatic control to the constant-current supply module owing to having adopted the digital regulation resistance of being controlled by MCU, and is easy to operate.
Description of drawings:
Fig. 1 is theory diagram of the present utility model.
Fig. 2 is the digital regulation resistance circuit diagram of the utility model embodiment 1.
Fig. 3 is the utility model embodiment charging control circuit figure.
Fig. 4 is the solar cell panel voltages sample circuit.
Fig. 5 is the battery tension Acquisition Circuit.
Fig. 6 is temperature sampling circuit.
Embodiment:
Below in conjunction with accompanying drawing, the utility model LED special solar controller is described in further detail.
As shown in Figure 1, be depicted as controller in a kind of solar LED controlled in wireless constant current all-in-one street lamp control system as the utility model, be arranged on solar street light, operate on it by remote controller.a kind of LED solar street lamp controller of the present embodiment, comprise the microprocessor main control chip on the control circuit board that is arranged in can, communicate by letter with remote controller wireless/receiving circuit, be connected to the charging module between solar panel and storage battery, constant-current source module between storage battery output and LED street lamp, wireless/receiving circuit and charging module, the constant-current source module is connected with described microprocessor main control chip respectively, also comprise digital regulation resistance, digital regulation resistance is regulated the load current of described constant-current source module under the control of microprocessor main control chip.
Be illustrated in figure 2 as the digital regulation resistance circuit that the present embodiment adopts, digital regulation resistance U5 accepts the control of MCU by iic bus.U5 and R48 have formed the voltage reference circuit of constant current chip.U5 is a digital regulation resistance, and MCU communicates with it by IIC communication protocol, can go to change by the parameter of setting its inside its resistance value.As shown in Figure 2, at the voltage of the constant 3.7V of the end input of R48, be input to again the reference voltage input pipe foot of constant current chip by the dividing potential drop of U5.R37 and R43 are the pull-up resistor of iic bus, and the crus secunda SCL of U5 is connected to the 11st pin of MCU, and the tripod SDA of U5 is connected to the 13rd pin of MCU.MCU goes to change the resistance value of U5 according to the needs of the current parameters of user's setting, when the reference voltage that has changed constant current chip, its output current also can become thereupon.
As shown in Figure 3, solar panel negative electrode and anode tap also meet an anti-thunder tube TVS1, because the general installation site of solar panel is higher, for avoiding thunder and lightning, controller are damaged, and therefore, increase anti-thunder tube TVS1 between yin, yang the two poles of the earth of solar panel.
The solar cell panel voltages sample circuit as shown in Figure 4, resistance R 29 and R32 in circuit, R36 is the illuminance Acquisition Circuit, thereby judge the size of present illuminance by detecting the photocell both end voltage, MCU goes to identify daytime and night by the size of judgement illuminance, goes to determine the operating state of load in conjunction with the pattern of user's setting.D4 output is connected to the negative pole of solar panel, when solar panel has voltage, and the D4 conducting, R32 resistance upper end is 0.5～0.7V to the voltage on ground; When solar panel does not have voltage, the D4 cut-off, the voltage above R32 is the dividing potential drop of storage battery on R32, and MCU judges daytime and evening by gathering R32 and the partial pressure value above R36, and C15 is the filter capacitor of the AD thief hatch of MCU.
The battery tension Acquisition Circuit as shown in Figure 5.R30 and R35 are the divider resistances in the voltage collection circuit of storage battery, by the dividing potential drop of R35, obtain the voltage of the AD converter that MCU carries, and just can obtain the battery tension of reality through certain algorithm.
As shown in Figure 3, charging module comprises the anode of solar panel and the line between accumulator anode; Be arranged on the negative electrode of solar panel and the control switch pipe on storage battery negative electrode connecting line, described control switch pipe is controlled by the microprocessor main control chip pwm signal that produces and is controlled open and close.The control switch pipe comprises field effect transistor Q7, field effect transistor Q15, field effect transistor Q8 and field effect transistor Q12; After being connected, the source electrode of the source electrode of field effect transistor Q7 and field effect transistor Q15 is connected with the negative electrode of solar panel, the drain electrode of the drain electrode of field effect transistor Q7 and field effect transistor Q15 is connected with the source electrode of the source electrode of field effect transistor Q8 and field effect transistor Q12, is connected with the negative electrode of described storage battery after the drain electrode of the drain electrode of field effect transistor Q8 and field effect transistor Q12 is connected; The grid of the grid of described field effect transistor Q7 and field effect transistor Q15 is connected with the first drive circuit that described pwm signal is controlled, and the grid of field effect transistor Q8 is connected with the second drive circuit that field effect transistor Q12 grid and pwm signal are controlled.
field effect transistor Q7, Q8, Q12, Q15, after field effect transistor Q7 and Q15 parallel connection, after field effect transistor Q8 and Q12 parallel connection, series connection again, here parallel connection refers to, source electrode is connected with source electrode, drain electrode is connected with drain electrode, grid is connected with grid, the drain electrode of series winding batch front is connected with the source electrode of back, be the charging control switch pipe, these four pipes begin conducting when MCU detects photocell voltage greater than battery tension, to charge in batteries, and provide PWM to drive signal by the pwm power controller, MCU constantly detects battery tension, regulate the duty ratio of pwm signal according to its voltage swing, make the constant purpose at certain specific voltage of battery tension to reach, prevent accumulator super-charge.Drive field effect transistor Q8 and Q12 parallel circuits the first drive circuit as shown in Figure 3, the first drive circuit comprises triode Q2, triode Q5, diode D9, diode D10 and the resistance R 15 of positive-negative-positive, resistance R 3, resistance R 1, resistance R 16, resistance R 7, the resistance R 11 of NPN type; The emitter of described pwm signal access triode Q2, resistance R 15 and resistance R 3 series windings, the other end of resistance R 15 is connected with described pwm signal, the other end ground connection of resistance R 3, the base stage connecting resistance R15 of triode Q2 and the tie point of resistance R 3, the collector electrode of triode Q2 connects the anode of diode D9, the negative electrode connecting resistance R1 of diode D9, the other end of resistance R 1 is connected with resistance R 16 with the base stage of triode Q5, the negative electrode of another termination solar panel of resistance R 16, the collector electrode of triode Q5 connects the negative electrode of solar panel; Triode Q5 emitter is connected with resistance R 11 with resistance R 7, the negative electrode of another terminating diode D10 of resistance R 7, and the anode of diode D10 connects the 15V power supply, the grid of another termination field effect transistor Q7 of R11 and the grid of field effect transistor Q15.When pwm signal is in pulse high level, triode Q2 conducting, by diode D9 and resistance R 1, R16 dividing potential drop, make triode Q5 conducting, make to be input to field effect transistor Q7 and the Q15 grid is in low level, cut-off, on the contrary, when PWM was in low level, triode Q2, Q5 ended, effect pipe Q7 and Q15 grid are in high level, conducting between source-drain electrode.
In the present embodiment, second control circuit on the grid of field effect transistor Q7 and Q12 parallel circuits is different from first control circuit, as shown in Figure 3, the second drive circuit comprises triode Q13, diode D11, resistance R 6, resistance R 53, resistance R 45, the resistance R 46 of positive-negative-positive; Described pwm signal is connected with the anode of diode D11, the negative electrode of diode D11 connects the base stage of described triode Q13 by resistance R 46, be connected with the negative electrode of solar panel by resistance R 45 between resistance R 46 and triode Q13 base stage tie point, resistance R 53 is arranged between the negative electrode and anode of solar panel; The emitter of triode Q13 is connected with the grid of resistance R 6 and field effect transistor Q8 and the grid of field effect transistor Q12 respectively, another termination 15V power supply of resistance R 6.When the signal of PWM is in high level, triode Q13 conducting, field effect transistor Q8 and Q12 grid are in low level, cut-off, on the contrary, and when PWM is in low level, triode Q13 cut-off, effect pipe Q8 and Q12 grid are in high level, conducting between source-drain electrode.In addition, added R53 and R45 as the short-circuit protection circuit of solar panel in the second drive circuit.After R53 and R45 series connection, a termination storage battery and the common anode of solar panel, the drive circuit of a termination field effect transistor Q8 and Q12, R53 and R45 junction connect the negative electrode of solar panel; Consisting of feedback circuit, when short circuit occurring, the negative pole of solar panel is the same with the storage battery negative pole tension, the Q13 conducting, Q8 is connected grid voltage with Q12 be zero to disconnect the photocell negative pole and be connected connection with storage battery, reaches the effect of hardware battery short circuit against sunshine.The mode of the battery short circuit against sunshine of this hardware is a spotlight of the present utility model.
As shown in Figure 6, R28 and JP1 thermo-sensitive resistor form temperature sensing circuit, and MCU modifies to reach the purpose of temperature-compensating by its temperature that detects to present charging voltage.When temperature surpassed certain value, MCU also can reduce the output of load or close load, started overtemperature or overheat protector function.
The remote controller of user's available dedicated sets relevant parameter, then send on product of the present utility model by the Radio infrared signal, the MCU of product can go to change corresponding parameter and the running of parameter control whole system like this according to the communication protocol of software set.
The utility model embodiment has following advantage:
1. be issued to the anti-reverse effect of hardware in the prerequisite that does not add anti-charging reversal connection rectifying tube, such design can allow the circuit of live part reach higher charge efficiency and protect response rapidly effectively when short circuit occurring.
2. the short-circuit protection of load and open-circuit-protection are all to complete by hardware comparator, adopt the hiccup protections mode, need not be by the control of MCU.The response speed that this mode is protected can be more rapidly effectively.
3. send to controller by special-purpose hand-held remote controller and control parameter information, the utility model product changes mode of operation according to the information of receiving again.So just can solve the difficult problem that occurs extensive parameters by this mode of button.
4. controller by receiving the information of remote controller, then changes into the size of constant current value, thereby controls the size of current of LED by the output resistance of IIC interface control figure potentiometer, reaches the purpose that the utility model is used in the different loads current system.When custom system scheme Iterim Change becomes different electric current LED load, changer controller more still.Only need the relevant some work parameter of change controller just can.
The utility model can all solve these problems, can adopt the private radio communication instrument to carry out parameter setting and debugging to product.The utility model can allow LED solar energy system conceptual design become simpler, makes the site installation test hommization more that becomes intelligent and quicker, has promoted the development of LED green energy conservation industry.
Claims (8)
1. solar LED controlled in wireless constant current integrated machine controller, comprise the microprocessor main control chip on the control circuit board that is arranged in can, communicate by letter with remote controller wireless/receiving circuit, be connected to the charging module between solar panel and storage battery, constant-current source module between storage battery output and LED street lamp, described wireless/receiving circuit and charging module, the constant-current source module is connected with described microprocessor main control chip respectively, it is characterized in that: also comprise digital regulation resistance, described digital regulation resistance is regulated the load current of described constant-current source module under the control of microprocessor main control chip.
2. solar LED controlled in wireless constant current integrated machine controller according to claim 1, it is characterized in that: described digital regulation resistance is connected with the microprocessor main control chip by iic bus, produces reference potential and controls the constant-current source module.
3. solar LED controlled in wireless constant current integrated machine controller according to claim 1, it is characterized in that: be provided with lightning protection circuit in described charging module, described lightning protection circuit comprises the anti-thunder tube at the two ends that are connected in parallel on solar panel.
4. solar LED controlled in wireless constant current integrated machine controller according to claim 3, it is characterized in that: described charging module comprises the anode of solar panel and the line between accumulator anode; Be arranged on the negative electrode of solar panel and the control switch pipe on storage battery negative electrode connecting line, described control switch pipe is controlled by the microprocessor main control chip pwm signal that produces and is controlled open and close.
5. solar LED controlled in wireless constant current integrated machine controller according to claim 4, it is characterized in that: described control switch pipe comprises field effect transistor Q7, field effect transistor Q15, field effect transistor Q8 and field effect transistor Q12; After being connected, the source electrode of the source electrode of described field effect transistor Q7 and field effect transistor Q15 is connected with the negative electrode of described solar panel, the drain electrode of the drain electrode of described field effect transistor Q7 and field effect transistor Q15 is connected with the source electrode of the source electrode of field effect transistor Q8 and field effect transistor Q12, is connected with the negative electrode of described storage battery after the drain electrode of the drain electrode of described field effect transistor Q8 and field effect transistor Q12 is connected; The grid of the grid of described field effect transistor Q7 and field effect transistor Q15 is connected with the first drive circuit that described pwm signal is controlled, and the grid utmost point of described field effect transistor Q8 is connected with the second drive circuit that field effect transistor Q12 grid and described pwm signal are controlled.
6. solar LED controlled in wireless constant current integrated machine controller according to claim 5, it is characterized in that: described the first drive circuit comprises triode Q2, triode Q5, diode D9, diode D10 and the resistance R 15 of positive-negative-positive, resistance R 3, resistance R 1, resistance R 16, resistance R 7, the resistance R 11 of NPN type; The emitter of described pwm signal access triode Q2, resistance R 15 and resistance R 3 series windings, the other end of resistance R 15 is connected with described pwm signal, the other end ground connection of resistance R 3, the base stage connecting resistance R15 of triode Q2 and the tie point of resistance R 3, the collector electrode of triode Q2 connects the anode of diode D9, the negative electrode connecting resistance R1 of diode D9, the other end of resistance R 1 is connected with resistance R 16 with the base stage of triode Q5, the negative electrode of another termination solar panel of resistance R 16, the collector electrode of triode Q5 connects the negative electrode of solar panel; Triode Q5 emitter is connected with resistance R 11 with resistance R 7, the negative electrode of another terminating diode D10 of resistance R 7, and the anode of diode D10 connects the 15V power supply, the grid of another termination field effect transistor Q7 of R11 and the grid of field effect transistor Q15.
7. solar LED controlled in wireless constant current integrated machine controller according to claim 5, it is characterized in that: described the second drive circuit comprises triode Q13, diode D11, resistance R 6, resistance R 53, resistance R 45, the resistance R 46 of positive-negative-positive; Described pwm signal is connected with the anode of diode D11, the negative electrode of diode D11 connects the base stage of described triode Q13 by resistance R 46, be connected with the negative electrode of solar panel by resistance R 45 between resistance R 46 and triode Q13 base stage tie point, resistance R 53 is arranged between the negative electrode and anode of solar panel; The emitter of triode Q13 is connected with the grid of resistance R 6 and field effect transistor Q8 and the grid of field effect transistor Q12 respectively, another termination 15V power supply of resistance R 6.
8. solar LED controlled in wireless constant current integrated machine controller according to claim 1, it is characterized in that: also comprise battery tension sample circuit, solar array voltage sample circuit, temperature sampling circuit, the output of described battery tension sample circuit, solar array voltage sample circuit, temperature sampling circuit connects the microprocessor main control chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220586883 CN202931628U (en) | 2012-11-09 | 2012-11-09 | Solar LED wireless control constant current integral controller |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220586883 CN202931628U (en) | 2012-11-09 | 2012-11-09 | Solar LED wireless control constant current integral controller |
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| CN202931628U true CN202931628U (en) | 2013-05-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220586883 Expired - Fee Related CN202931628U (en) | 2012-11-09 | 2012-11-09 | Solar LED wireless control constant current integral controller |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103228082A (en) * | 2013-05-29 | 2013-07-31 | 泸州卓峰新能源科技有限公司 | Intelligent-control solar LED street lamp |
| CN103269542A (en) * | 2013-05-12 | 2013-08-28 | 安徽工程大学 | Wireless power table lamp |
| CN107895945A (en) * | 2017-12-28 | 2018-04-10 | 辽宁太阳能研究应用有限公司 | A kind of cell panel potential difference compensation system |
-
2012
- 2012-11-09 CN CN 201220586883 patent/CN202931628U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103269542A (en) * | 2013-05-12 | 2013-08-28 | 安徽工程大学 | Wireless power table lamp |
| CN103228082A (en) * | 2013-05-29 | 2013-07-31 | 泸州卓峰新能源科技有限公司 | Intelligent-control solar LED street lamp |
| CN107895945A (en) * | 2017-12-28 | 2018-04-10 | 辽宁太阳能研究应用有限公司 | A kind of cell panel potential difference compensation system |
| CN107895945B (en) * | 2017-12-28 | 2024-01-30 | 辽宁太阳能研究应用有限公司 | Battery plate potential difference compensation system |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130508 Termination date: 20161109 |
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| CF01 | Termination of patent right due to non-payment of annual fee |