CN110572907B - Sunlight control system - Google Patents
Sunlight control system Download PDFInfo
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- CN110572907B CN110572907B CN201910854785.1A CN201910854785A CN110572907B CN 110572907 B CN110572907 B CN 110572907B CN 201910854785 A CN201910854785 A CN 201910854785A CN 110572907 B CN110572907 B CN 110572907B
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Abstract
The invention discloses a sunlight control system, which comprises a driving module, a control module and a lighting module, wherein the lighting module is electrically connected with the driving module; the LED light-operated lamp can avoid the phenomenon of flickering when the LED light-operated lamp is under the light with critical intensity, thereby improving the stability and reliability of the LED light-operated lamp and improving the comfort of a user.
Description
Technical Field
The invention relates to the technical field of light control systems, in particular to a sunlight control system.
Background
The LED light-operated lamp is a common lighting device, at present, a light-operated system in the LED light-operated lamp on the market generally does not have the function of hysteresis, so that in the use process of the LED light-operated lamp, when the LED light-operated lamp is under the light of critical intensity, the LED light-operated lamp can flicker, and the comfort of a user in use can be influenced.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a sunlight control system which can avoid the phenomenon of flicker when an LED light control lamp is under the light with critical intensity, thereby improving the stability and reliability of the LED light control lamp and improving the comfort of a user.
The invention discloses a sunlight control system which comprises a driving module, a control module and a lighting module, wherein the lighting module is electrically connected with the driving module, and the control module is electrically connected with the driving module and the lighting module.
The invention discloses a sunlight control system, wherein a driving module comprises a constant current driving chip U1, resistors R1, R3, R6, R2, R4 and R5, capacitors C4, C5, C1, C6, C2 and C3, an inductor L1, a diode D1 and a field effect transistor A01; one end of a capacitor C4 is connected with a power supply VCC, the other end of the capacitor C4 is grounded, a capacitor C5 is connected with a capacitor C4 in parallel, a pin 1 of a constant current driving chip U1 is electrically connected with a grid electrode of a field effect tube A01, a source electrode of the field effect tube A01 is electrically connected with the power supply VCC after being connected with an inductor L1 in series, a pin 6 of the constant current driving chip U1 is electrically connected with a drain electrode and a substrate of the field effect tube A01, a pin 6 of a constant current driving chip U1 is grounded after being connected with a series resistor R5, a pin 2 of the constant current driving chip U1 is grounded, a pin 3 of the constant current driving chip U1 is electrically connected with the power supply VCC, one end of a capacitor C1 is electrically connected with the power supply VCC, the other end of the capacitor C1 is grounded, an enable end EN is led out after the pin 4 of the constant current driving chip U1 is connected with the series resistor R1, a pin 4 of the constant current driving chip U1 is grounded after being connected with the series resistor R1, a capacitor C1 is connected with the ground, a control resistor R1 and a constant current driving chip VfR 1 and a constant current driving chip U1 and a constant current driving chip VfR 1 are connected with the constant current driving chip U1 in series resistor R1 in series, the resistor R5 is connected in parallel with the resistor R4, the anode of the diode D4 is electrically connected with the source of the field effect transistor A01, the cathode of the diode D1 is connected in series with the capacitor C2 and then is grounded, and the capacitor C3 is connected in parallel with the capacitor C2.
The invention discloses a sunlight control system, wherein an illumination module comprises a light emitting diode LED1, an LED2, an LED3, an LED4, an LED5 and an LED6, wherein the anode of the light emitting diode LED1 is electrically connected with the cathode of a diode D1, the cathode of the light emitting diode LED1 is electrically connected with the anode of a light emitting diode LED4, the cathode of the light emitting diode LED4 is electrically connected with a control end Vfb, the light emitting diode LED2 and the light emitting diode LED3 are both connected with a light emitting diode LED3 in parallel, and the light emitting diode LED5 and the light emitting diode LED6 are both connected with a light emitting diode LED4 in parallel.
The invention discloses a sunlight control system, wherein a control module comprises a solar cell S, triodes Q1, Q2 and Q3, resistors R10, R13, R12, R7, R11, R8 and R9, a power supply terminal SUN is led out from the positive terminal of the solar cell S, the negative terminal of the solar cell S is grounded, one end of a resistor R10 is electrically connected with the positive terminal of the solar cell S, the other end of a resistor R10 is electrically connected with one end of a resistor R13, the other end of a resistor R13 is grounded, one end of a resistor R12 is electrically connected with the other end of a resistor R10, the other end of a resistor R12 is electrically connected with the base of a triode Q1, the base of the triode Q1 is grounded after being connected with a capacitor C1 in series, the emitter of the triode Q1 is electrically connected with a control terminal Vfb, the collector of the triode Q1 is electrically connected with a power supply VCC after being connected with the base of the triode Q1 in series, the triode Q1 is electrically connected with the emitter of the triode Q1 in series, the base electrode of the triode Q3 is electrically connected with the collector electrode series resistor R8 of the triode Q2, the emitter electrode of the triode Q3 is electrically connected with the enable end EN, the base electrode series resistor R9 of the triode Q3 is electrically connected with the power supply VCC, the collector electrode of the triode Q3 is electrically connected with the power supply VCC, and the emitter electrode of the triode Q1 is electrically connected with the control end Vfb.
The invention discloses a sunlight control system, wherein the model of a constant current driving chip U1 is TP 8305.
The LED light-operated lamp can avoid the phenomenon of flickering when the LED light-operated lamp is under the light with critical intensity, thereby improving the stability and reliability of the LED light-operated lamp and improving the comfort of a user.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
fig. 1 is a schematic circuit diagram of the present invention.
Detailed Description
In the following description, for purposes of explanation, numerous implementation details are set forth in order to provide a thorough understanding of the various embodiments of the present invention. It should be understood, however, that these implementation details are not to be interpreted as limiting the invention. That is, in some embodiments of the invention, such implementation details are not necessary. In addition, some conventional structures and components are shown in simplified schematic form in the drawings.
In addition, the descriptions related to the first, the second, etc. in the present invention are only used for description purposes, do not particularly refer to an order or sequence, and do not limit the present invention, but only distinguish components or operations described in the same technical terms, and are not understood to indicate or imply relative importance or implicitly indicate the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
The sunlight control system comprises a driving module, a control module and a lighting module, wherein the lighting module is electrically connected with the driving module, and the control module is electrically connected with the driving module and the lighting module.
The driving module comprises a constant current driving chip U1, resistors R1, R3, R6, R2, R4 and R5, capacitors C4, C5, C1, C6, C2 and C3, an inductor L1, a diode D1 and a field effect transistor A01; one end of a capacitor C4 is connected with a power supply VCC, the other end of the capacitor C4 is grounded, a capacitor C5 is connected with a capacitor C4 in parallel, a pin 1 of a constant current driving chip U1 is electrically connected with a grid electrode of a field effect tube A01, a source electrode of the field effect tube A01 is electrically connected with the power supply VCC after being connected with an inductor L1 in series, a pin 6 of the constant current driving chip U1 is electrically connected with a drain electrode and a substrate of the field effect tube A01, a pin 6 of a constant current driving chip U1 is grounded after being connected with a series resistor R5, a pin 2 of the constant current driving chip U1 is grounded, a pin 3 of the constant current driving chip U1 is electrically connected with the power supply VCC, one end of a capacitor C1 is electrically connected with the power supply VCC, the other end of the capacitor C1 is grounded, an enable end EN is led out after the pin 4 of the constant current driving chip U1 is connected with the series resistor R1, a pin 4 of the constant current driving chip U1 is grounded after being connected with the series resistor R1, a capacitor C1 is connected with the ground, a control resistor R1 and a constant current driving chip VfR 1 and a constant current driving chip U1 and a constant current driving chip VfR 1 are connected with the constant current driving chip U1 in series resistor R1 in series, the resistor R5 is connected in parallel with the resistor R4, the anode of the diode D4 is electrically connected with the source of the field effect transistor A01, the cathode of the diode D1 is connected in series with the capacitor C2 and then is grounded, and the capacitor C3 is connected in parallel with the capacitor C2.
The lighting module comprises a light emitting diode LED1, an LED2, an LED3, an LED4, an LED5 and an LED6, wherein the anode of the light emitting diode LED1 is electrically connected with the cathode of the diode D1, the cathode of the light emitting diode LED1 is electrically connected with the anode of the light emitting diode LED4, the cathode of the light emitting diode LED4 is electrically connected with the control end Vfb, the light emitting diode LED2 and the light emitting diode LED3 are both connected with the light emitting diode LED3 in parallel, and the light emitting diode LED5 and the light emitting diode LED6 are both connected with the light emitting diode LED4 in parallel.
The control module comprises a solar cell S, triodes Q1, Q2 and Q3, resistors R10, R13, R12, R7, R11, R8 and R9, wherein a power supply terminal SUN is led out from the positive terminal of the solar cell S, the negative terminal of the solar cell S is grounded, one end of the resistor R9 is electrically connected with the positive terminal of the solar cell S, the other end of the resistor R9 is electrically connected with one end of the resistor R9, the other end of the resistor R9 is grounded, one end of the resistor R9 is electrically connected with the other end of the resistor R9, the other end of the resistor R9 is electrically connected with the base of the triode Q9, the base of the triode Q9 is electrically connected with the ground, the emitter of the triode Q9 is electrically connected with a control terminal Vvf, the collector of the triode Q9 is electrically connected with a power supply VCC, the base of the triode Q9 is electrically connected with the base of the triode Q9 in series, the triode Q9 is electrically connected with the emitter of the triode Q9, the base of the triode Q9 is electrically connected with the collector of the triode Q9, the emitting electrode of the triode Q3 is electrically connected with the enable end EN, the base electrode of the triode Q3 is electrically connected with the power supply VCC after being connected with the resistor R9 in series, and the collecting electrode of the triode Q3 is electrically connected with the power supply VCC.
The model number of the constant current driving chip U1 is TP 8305.
The current LED light control lamp can convert an ambient brightness signal into a voltage signal Vs through a solar cell, and set a voltage threshold Vref (triode conduction voltage), when the brightness decreases, Vs decreases to be smaller than Vref, at this time, the LED lamp lights, and the environment turns on, and Vs can increase to Vs1, if Vs1 is larger than Vref, the LED lamp will turn off, when Vs decreases to below Vref again, the LED will be lighted again, and the cycle is such that flicker is caused. According to the invention, the current of the LED is collected during the LED lighting period, the current signal is converted into the voltage Vfb, the voltage Vfb is superposed on the Vref to obtain Vref1, the Vref1 is more than Vs1, the LED lamp is kept in the lighting state at the moment, the LED is turned off until the ambient brightness voltage is increased by Vs2, the Vs2 is more than Vref1, the threshold voltage returns to Vref at the moment, the ambient brightness voltage Vs2 is slightly reduced after losing the irradiation of the LED lamp, but still is more than Vref, and the LED lamp is kept in the off state.
When the solar cell works, the solar cell generates voltage under illumination, a voltage value Vs is obtained through voltage division of the resistor R10 and the resistor R13, the voltage value Vs is connected to the base electrode of the triode Q1 through a low-pass filter (the low-pass filter is composed of the resistor R12 and the capacitor C7), the emitting electrode of the triode Q1 is grounded, if the voltage value Vs is larger than the conducting voltage of the triode Q1, the triode Q1 is conducted, the triode Q2 and the triode Q3 are closed, the emitting electrode of the triode Q3 is at a low level, if the voltage value Vs is lower than the conducting voltage of the triode Q1, the triode Q1 is cut off, the triode Q2 and the triode Q3 are conducted, and at the moment, the emitting electrode of the triode Q3 is at a high level. The invention aims to electrically connect an emitter of a triode Q1 with a control end Vfb, namely when the LED states are different, the emitter voltages of the triode Q1 are different, the voltage for conducting the triode Q1 is also different, so that a hysteresis effect can be achieved, and the phenomenon of flickering of the lighting module can be avoided.
The above description is only an embodiment of the present invention, and is not intended to limit the present invention. Various modifications and alterations to this invention will become apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (2)
1. A daylight control system, characterized by: the lighting device comprises a driving module, a control module and a lighting module, wherein the lighting module is electrically connected with the driving module;
the driving module comprises a constant current driving chip U1, resistors R1, R3, R6, R2, R4 and R5, capacitors C4, C5, C1, C6, C2 and C3, an inductor L1, a diode D1 and a field effect transistor A01; one end of the capacitor C4 is connected with a power supply VCC, the other end of the capacitor C4 is grounded, the capacitor C5 is connected in parallel with the capacitor C4, a pin 1 of the constant current driving chip U1 is electrically connected with the grid electrode of the field effect transistor A01, the source electrode of the field effect transistor A01 is electrically connected with the power supply VCC after being connected in series with the inductor L1, a pin 6 of the constant current driving chip U1 is electrically connected with the drain electrode and the substrate of the field effect transistor A01, a pin 6 of the constant current driving chip U1 is grounded after being connected in series with the resistor R5, a pin 2 of the constant current driving chip U1 is grounded, a pin 3 of the constant current driving chip U1 is electrically connected with the power supply VCC, one end of the capacitor C1 is electrically connected with the power supply VCC, the other end of the capacitor C1 is grounded, an enable end EN is led out after the pin 4 of the constant current driving chip U1 is connected in series with the resistor R1, a pin 4 of the driving chip U1 is grounded after being connected in series with the resistor R3, the capacitor C6 is connected in parallel with the constant current resistor R3, a control end Vfb is led out after a 5 pin of the constant current driving chip U1 is connected in series with a resistor R2, the 5 pin of the constant current driving chip U1 is sequentially connected in series with a resistor R2 and a resistor R4 and then grounded, the resistor R5 is connected in parallel with a resistor R4, the anode of a diode D4 is electrically connected with the source of a field-effect tube A01, the cathode of a diode D1 is connected in series with a capacitor C2 and then grounded, and the capacitor C3 is connected in parallel with the capacitor C2;
the lighting module comprises a light emitting diode LED1, an LED2, an LED3, an LED4, an LED5 and an LED6, wherein the anode of the light emitting diode LED1 is electrically connected with the cathode of a diode D1, the cathode of the light emitting diode LED1 is electrically connected with the anode of a light emitting diode LED4, the cathode of the light emitting diode LED4 is electrically connected with a control end Vfb, the light emitting diode LED2 and the light emitting diode LED3 are both connected with a light emitting diode LED3 in parallel, and the light emitting diode LED5 and the light emitting diode LED6 are both connected with a light emitting diode LED4 in parallel;
the control module comprises a solar cell S, triodes Q1, Q2 and Q3, resistors R10, R13, R12, R7, R11, R8 and R9, a power supply terminal SUN is led out from the positive terminal of the solar cell S, the negative terminal of the solar cell S is grounded, one end of the resistor R10 is electrically connected with the positive terminal of the solar cell S, the other end of the resistor R10 is electrically connected with one end of a resistor R13, the other end of the resistor R13 is grounded, one end of the resistor R12 is electrically connected with the other end of a resistor R10, the other end of the resistor R12 is electrically connected with the base of a triode Q1, the base of the triode Q1 is electrically grounded after being connected with a capacitor C7 in series, the emitter of the triode Q1 is electrically connected with a control terminal Vfb, the collector of the triode Q1 is electrically connected with a power supply VCC in series, the base of the triode Q1 is electrically connected with the collector of the triode Q1 in series, triode Q2's projecting pole ground connection, be connected with triode Q3's base electricity behind triode Q2's the collecting electrode series resistance R8, triode Q3's projecting pole is connected with enable end EN electricity, be connected with power VCC electricity behind triode Q3's the base series resistance R9, triode Q3's collecting electrode is connected with power VCC electricity.
2. A daylight control system according to claim 1, wherein the constant current driver chip U1 is model number TP 8305.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910854785.1A CN110572907B (en) | 2019-09-10 | 2019-09-10 | Sunlight control system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910854785.1A CN110572907B (en) | 2019-09-10 | 2019-09-10 | Sunlight control system |
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| CN110572907A CN110572907A (en) | 2019-12-13 |
| CN110572907B true CN110572907B (en) | 2021-10-26 |
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| CN201910854785.1A Active CN110572907B (en) | 2019-09-10 | 2019-09-10 | Sunlight control system |
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| CN204498415U (en) * | 2015-02-12 | 2015-07-22 | 王忠锋 | A kind of surround lighting induction roam lamp control device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| TWI613932B (en) * | 2016-12-02 | 2018-02-01 | 財團法人工業技術研究院 | Driving module and light source system having the driving module |
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2019
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| CN1392752A (en) * | 2001-06-20 | 2003-01-22 | 文大承 | Lamp controller for preventing light flashing |
| CN101562931A (en) * | 2009-04-10 | 2009-10-21 | 北京昌日新能源科技有限公司 | Solar lamp controller with adjustable light control points |
| CN102313238A (en) * | 2011-09-15 | 2012-01-11 | 天津科林电气有限公司 | Solar highway tunnel light emitting diode (LED) illumination system with brightness adjustment and synchronous electricity generation and utilization |
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