CN105792483A - STM32-based multi-working mode lamp control energy saving device - Google Patents
STM32-based multi-working mode lamp control energy saving device Download PDFInfo
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- CN105792483A CN105792483A CN201610259225.8A CN201610259225A CN105792483A CN 105792483 A CN105792483 A CN 105792483A CN 201610259225 A CN201610259225 A CN 201610259225A CN 105792483 A CN105792483 A CN 105792483A
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The invention discloses an STM32-based multi-working mode lamp control energy saving device. An STM32 microprocessor is connected with a photosensitive sensor acquisition module, an infrared sensor sensing module, a duty cycle control circuit module, a key interaction module and a clock module. The key interaction module is used for selecting the working mode of the device; light strength signals acquired by the photosensitive sensor acquisition module and signals sensed by the infrared sensor sensing module are sent to the STM32 microprocessor, and the STM32 microprocessor control module processes the signals, and then, corresponding control signals are sent to the duty cycle control circuit; and a power supply module provides unified stable and reliable power for other modules, and a clock module provides corresponding working clock. The device of the invention has the advantages that the operation is safe, reliable and easy, and energy saving requirements are realized to the maximal degree.
Description
Technical field
The present invention is the design of one kind of multiple mode of operation lamp control energy saving apparatus, is based especially on the energy conserving system design of the PWM light modulation of STM32, light sensor, infrared induction, belongs to signal processing technology field.
Background technology
In the last few years, a lot of countries were all advocating the activity saving the energy in the world.The developing country that China lacks as a per capita energy, energy consumption of unit product level is far above world average level.At present, a lot of communal facilitys, for instance the billboard of bus stop, interior lighting system and public corridor can not be closed voluntarily when nobody, and automaticity is low, and energy waste is extremely serious.It addition, sometimes when ambient light photograph strength ratio is stronger time, we are not required to electric light and work under nominal power, it would be desirable to be able to regulate dutycycle and change the brightness of lamp, reduce its operating power, reduce power consumption.
Summary of the invention
The present invention provides a kind of multiple-working mode lamp control energy saver based on STM32, lamp control energy saver compared to current single infrared induction, this device adds again light sensor for sensing extraneous intensity of illumination, and adopt the control mode of dutycycle to control the brightness of lamp, achieve energy saving requirement greatly.
The present invention includes STM32 microprocessor control module, light sensor acquisition module, infrared sensor induction module, control circuit of duty ratio module, button interactive module, clock module and power module.Adopting STM32 microprocessor as the control core of whole system, the signal that light sensor acquisition module and infrared sensor induction module are collected processes accordingly, according to the result processed, sends corresponding control signal and controls duty cycle control module；The data acquisition equipment part of whole system is formed collection external signal by light sensor acquisition module, infrared sensor induction module；STM32 microprocessor control module sends instructions to control circuit of duty ratio module, determines the dutycycle of output, reaches to control the purpose of the brightness of lamp；The button interactive module of whole system is made up of four buttons S2, S3, S4, S5；The clock module of system is provided stable low speed and high-speed clock source respectively by crystal oscillator Y1, Y2 for STM32 microprocessor control module；Equipment has unified power module, and all modules that it is whole system provide reliable and stable power supply.
The model of described STM32 microprocessor is STM32F103, and it can be soldered on circuit boards, or is inserted on the socket welded.PC14, PC15 pin of STM32 microprocessor is connected with crystal oscillator Y1, then passes through C1, C3 earth；OSC_IN, OSC_OUT high speed outer pin is connected by C2, C4 earth with crystal oscillator Y2；NRST pin is received power supply by resistance by the reset circuit of described STM32, by electric capacity C5 ground connection, uses S1 button to control whether to reset；STM32 Starting mode circuit is that by resistance one end, BOOT0, BOOT1 are connected to power supply, by jump cap J1, J2, the other end chooses whether that ground connection selects Starting mode；The PA3 port of STM32 is connected with the output port OUTA of light sensor acquisition module, obtains the signal of light sensor acquisition module；The PA2 port of STM32 is connected with the output port OUT of infrared sensor induction module by transistor amplifier, obtains the signal of infrared sensor module；The PA1 port of STM32 is connected with the input of control circuit of duty ratio module, exports corresponding dutycycle, controls the brightness of lamp；PA0, PA4, PA5, PA6 pin of STM32 is connected with button S2, S3, S4, S5 respectively, select the mode of operation of this energy saver, the each pin of JNRST, JTDI, JTMS, JTCK, JTDO pin each with JNRST, JTDI, JTMS, JTCK, JTDO of jtag interface of STM32 is connected, it is achieved emulation and debugging.
Described light sensor acquisition module uses LM393 integrated amplifier to constitute with photoconductive resistance.Photoconductive resistance is in parallel with C13, the in-phase input end of the signal input LM393 then connected with R13, variable-resistance for R14 output is connected with the inverting input of LM393, the output of LM393 is delivered to the PA3 port of STM32 microprocessor module analog-digital conversion function by OUTA port and carries out judgement process, using D2, D3 light emitting diode display lamp as module whether normal operation.
Described infrared sensor induction module uses HC-RS501 integration module to constitute with transistor amplifier.The outfan OUT of HC-RS501 integration module is connected with the base stage of audion by resistance R2, the signal after amplification is delivered to STM32 microprocessor module and has the PA2 port of analog-digital conversion function and carry out judgement process.
Described control circuit of duty ratio module is triggered controllable silicon by MOC3022 light and constitutes with L401E3 bi-directional thyristor switch.The input of control circuit of duty ratio module connects with the PA1 port with dutycycle output function of STM32 microprocessor module, the break-make in one cycle of the Duty ratio control control circuit of duty ratio module exported by STM32 microprocessor module, reaches to control the purpose of the brightness of lamp.
Described key-press module is connected by button S2, S3, S4, S5 one end pin each with PB5, PB6, PB7, PB8 of STM32 respectively, and the button other end unifies ground connection；By press corresponding button can PWM light-modulating mode, PWM light modulation add four kinds of working methods such as infrared induction pattern, infrared induction pattern, normal mode of operation.
Described clock module is connected by PC14, PC15 pin of crystal oscillator Y1 and STM32 microprocessor, be connected earth again with C1, C3, OSC_IN, OSC_OUT high speed outer pin of crystal oscillator Y2 and STM32 microprocessor is connected, be connected earth crystal oscillator again with C2, C4, and respectively STM32 module provides stable low speed and high-speed clock source；Ensure that STM32 microprocessor is stable, work reliably.
Described power module uses AMS1117 Voltage stabilizing module to provide power supply, is undertaken the output voltage of AMS1117 Voltage stabilizing module is filtered by electric capacity C6, indicates power supply whether normal operation by light emitting diode D1 series resistance.
The present invention is based on the multiple-working mode lamp control energy saver of STM32, signal acquisition module includes light sensor acquisition module and infrared sensor induction module, working method is selected by button interactive module, according to mode of operation, the information that STM32 microprocessor is passed back according to collecting device, carry out extraction and the process of data, then export the brightness of certain Duty ratio control lamp.The present invention provides the system of a kind of multiple-working mode lamp control energy saver based on STM32 to design, and has safe and reliable, the easy feature of manipulation, achieves energy saving requirement greatly.
Accompanying drawing explanation
Fig. 1 is the structural principle schematic diagram of the present invention；
Fig. 2 is the STM32 microprocessor module schematic diagram of the present invention；
Fig. 3 is the clock module schematic diagram of the present invention；
Fig. 4 is the light sensor acquisition module schematic diagram of the present invention；
Fig. 5 is the infrared sensor induction module schematic diagram of the present invention；
Fig. 6 is the control circuit of duty ratio module principle figure of the present invention；
Fig. 7 is the button interactive module schematic diagram of the present invention；
Fig. 8 is the power module schematic diagram of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, the invention will be further described.
As shown in Figure 1, the present embodiment includes STM32 microprocessor control module, light sensor acquisition module, infrared sensor induction module, control circuit of duty ratio module, button interactive module, clock module and power module, it is characterized in that: adopt STM32 microprocessor as the control core of whole system, the signal that light sensor acquisition module and infrared sensor induction module are collected processes accordingly, according to the result processed, send corresponding control signal and control duty cycle control module；The data acquisition equipment part of whole system is formed collection external signal by light sensor acquisition module, infrared sensor induction module；STM32 microprocessor control module sends instructions to control circuit of duty ratio module, determines the dutycycle of output, reaches to control the purpose of the brightness of lamp；The button interactive module of whole system is made up of four buttons S2, S3, S4, S5；The clock module of system is provided stable low speed and high-speed clock source respectively by crystal oscillator Y1, Y2 for STM32 microprocessor control module；Equipment has unified power module, and all modules that it is whole system provide reliable and stable power supply.
As the design of the present invention, the model of STM32 microprocessor is STM32F103, and welding on circuit boards, comprises jtag interface circuit, clock circuit, reset key and STM32 Starting mode selection key.
As the design of the present invention, extraneous intensity of illumination is gathered by light sensor acquisition module, and the infrared signal of human body is gathered by infrared sensor induction module, by interface circuit, the signal that they gather is delivered to STM32 microprocessor control module.
As the design of the present invention, PWM light-modulating mode, PWM light modulation can be selected to add four kinds of mode of operations such as infrared induction pattern, infrared induction pattern, normal mode of operation by button S1, S2, S3, S4.
As the design of the present invention, native system adopts the Y2 crystal oscillator clock module of Y1,8MHZ of 32.678KHZ to provide low speed and high-speed clock source respectively for STM32 module.
As the design of the present invention, described power module adopts chip-shaped AMS1117-3.3V, AMS1117-5V to provide 3.3V and the 5V power supply of needs respectively.
As in figure 2 it is shown, PC14, PC15 pin of STM32 microprocessor is connected with 32.768KHZ crystal oscillator Y1, then pass through 10pFC1, C3 earth；OSC_IN, OSC_OUT high speed outer pin is connected by 22pF electric capacity C2, C4 earth with 8MHZ crystal oscillator Y2；NRST pin is received power supply by 10k Ω resistance R3 by the reset circuit of described STM32, by 100nF electric capacity C5 and button S1 earth, uses S1 button to control whether to reset；STM32 Starting mode circuit be by BOOT0, BOOT1 by 10k Ω resistance R3, R4 mono-end be connected to 3.3V power supply, by jump cap J1, J2, the other end chooses whether that ground connection selects Starting mode；The PA3 of STM32 is connected with the output port OUTA of light sensor acquisition module, obtains the signal of light sensor acquisition module；The PA2 port of STM32 is connected to transistor collector and is connected by 5.7k Ω resistance R2 with the output port OUT of infrared sensor induction module, obtains the signal of infrared sensor module；The PA1 of STM32 is connected by 5.1k Ω resistance R10 and 270 Ω resistance R11 with the input of control circuit of duty ratio module, exports corresponding dutycycle, controls the brightness of lamp；PA0, PA4, PA5, PA6 pin of STM32 is connected with button S2, S3, S4, S5 respectively, select the mode of operation of this energy saver, the each pin of JNRST, JTDI, JTMS, JTCK, JTDO pin each with JNRST, JTDI, JTMS, JTCK, JTDO of jtag interface of STM32 is connected, it is achieved emulation and debugging.
As shown in Figure 4, described light sensor acquisition module uses LM393 integrated amplifier to constitute with photoconductive resistance.Photoconductive resistance is in parallel with 1uF electric capacity C13, then connect with 5.1k Ω resistance R13 the signal of the acquisition being connected to VCC, the in-phase input end of input LM393, variable-resistance for the R14 of 10k Ω output is connected with the inverting input of LM393, the PA3 port that the output of LM393 delivers to STM32 microprocessor module analog-digital conversion function by OUTA port is carried out judgement process, by D2, D3 light emitting diode one terminates VCC, the other end and 1k Ω resistance R15, R16 connects, in parallel with 10k Ω resistance R17 again, by the light on and off of Light-Emitting Diode, display lamp as module whether normal operation.
As it is shown in figure 5, described infrared sensor induction module uses HC-RS501 integration module to constitute with transistor amplifier.The outfan OUT of HC-RS501 integration module is connected with the base stage of audion by 5.7k Ω resistance R2, colelctor electrode is connected by 10k Ω resistance R1 and VCC, then the signal after amplifying is delivered to STM32 microprocessor module and has the PA2 port of analog-digital conversion function and carry out judgement process.
As shown in Figure 6, described control circuit of duty ratio module is triggered controllable silicon by MOC3022 light and constitutes with L401E3 bi-directional thyristor switch.The input of control circuit of duty ratio module, connected with the PA1 port with dutycycle output function of STM32 microprocessor module by 5.1k Ω resistance R10 and 270 Ω resistance R11 parallel connection, then pass through the break-make in a cycle of the Duty ratio control control circuit of duty ratio module of STM32 microprocessor module output, reach to control the purpose of the brightness of lamp.
As it is shown in fig. 7, described key-press module is connected with PA0, PA4, PA5, PA6 pin of STM32 respectively by button S2, S3, S4, S5 one end, the button other end unifies ground connection；By press corresponding button can PWM light-modulating mode, PWM light modulation add four kinds of working methods such as infrared induction pattern, infrared induction pattern, normal mode of operation.
As shown in Figure 3, described clock module is connected by PC14, PC15 pin of 32.768KHZ crystal oscillator Y1 and STM32 microprocessor, be connected earth again with electric capacity C1, C3 of 10pF, OSC_IN, OSC_OUT high speed outer pin of 8MHZ crystal oscillator Y2 and STM32 microprocessor is connected, be connected earth again with electric capacity C2, C4 of 22pF, and crystal oscillator provides stable low speed and high-speed clock source for STM32 module；Ensure that STM32 microprocessor is stable, work reliably.
As shown in Figure 8, described power module uses AMS1117 Voltage stabilizing module to provide power supply, by 1uF electric capacity C6, the output voltage of AMS1117 Voltage stabilizing module is filtered, and indicates power supply whether normal operation by light emitting diode D1 series resistance.
To sum up, the present invention uses the devices such as STM32 microprocessor, infrared sensor, light sensor, the method using duty cycle adjustment, realize this device energy PWM light-modulating mode, PWM dims to add and mutually switches under infrared induction pattern, infrared induction pattern, normal mode of operation, meet the demand under different operating environment, greatly improving automaticity, compared to the design of traditional single utilization infrared lamp control, this design achieves energy-conservation demand greatly.
Claims (6)
1. based on the multiple-working mode lamp control energy saver of STM32, including STM32 microprocessor control module, light sensor acquisition module, infrared sensor induction module, control circuit of duty ratio module, button interactive module, clock module and power module；Wherein, STM32 microprocessor control module connects with light sensor acquisition module, infrared sensor induction module, control circuit of duty ratio module, button interactive module, clock module；Button interactive module is used for selecting the working method of this device, light intensity signal and the signal of infrared sensor induction module sensing that light sensor acquisition module collects deliver to STM32 microprocessor control module, after STM32 microprocessor control module processes, control circuit of duty ratio are sent corresponding control signal；Power module unifies, for other module, the power supply that offer is reliable and stable, and clock module provides corresponding work clock；
It is characterized in that: adopt STM32 microprocessor as the control core of whole system, the signal that light sensor acquisition module and infrared sensor induction module are collected processes accordingly, according to the result processed, send corresponding control signal and control duty cycle control module；The data acquisition equipment part of whole system is formed collection external signal by light sensor acquisition module, infrared sensor induction module；STM32 microprocessor control module sends instructions to control circuit of duty ratio module, determines the dutycycle of output, reaches to control the purpose of the brightness of lamp；The button interactive module of whole system is made up of four buttons S2, S3, S4, S5；The clock module of system is provided stable low speed and high-speed clock source respectively by crystal oscillator Y1, Y2 for STM32 microprocessor control module；Equipment has unified power module, and all modules that it is whole system provide reliable and stable power supply.
2. the multiple-working mode lamp control energy saver based on STM32 according to claim 1, it is characterized in that: the model of STM32 microprocessor is STM32F103, welding on circuit boards, comprises jtag interface circuit, clock circuit, reset key and STM32 Starting mode selection key.
3. the multiple-working mode lamp control energy saver based on STM32 according to claim 1, it is characterized in that: extraneous intensity of illumination is gathered by light sensor acquisition module, the infrared signal of human body is gathered by infrared sensor induction module, by interface circuit, the signal that they gather is delivered to STM32 microprocessor control module.
4. the multiple-working mode lamp control energy saver based on STM32 according to claim 1, it is characterised in that: PWM light-modulating mode, PWM light modulation can be selected to add infrared induction pattern, infrared induction pattern, normal mode of operation these four mode of operation by button S2, S3, S4, S5.
5. the multiple-working mode lamp control energy saver based on STM32 according to claim 1, it is characterised in that: adopt the Y2 crystal oscillator clock module of Y1,8MHZ of 32.678KHZ to provide low speed and high-speed clock source respectively for STM32 module.
6. the multiple-working mode lamp control energy saver based on STM32 according to claim 1, it is characterised in that: described power module adopts chip-shaped AMS1117-3.3V, AMS1117-5V to provide 3.3V and the 5V power supply of needs respectively.
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| CN201610259225.8A CN105792483A (en) | 2016-04-25 | 2016-04-25 | STM32-based multi-working mode lamp control energy saving device |
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| CN201610259225.8A CN105792483A (en) | 2016-04-25 | 2016-04-25 | STM32-based multi-working mode lamp control energy saving device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106679443A (en) * | 2016-12-30 | 2017-05-17 | 杭州电子科技大学 | Remote monitoring type heating furnace control system based on STM32 |
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