CN104284496A - Street lamp based on MSP430 single-chip microcomputer and control method thereof - Google Patents
Street lamp based on MSP430 single-chip microcomputer and control method thereof Download PDFInfo
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- CN104284496A CN104284496A CN201410592100.8A CN201410592100A CN104284496A CN 104284496 A CN104284496 A CN 104284496A CN 201410592100 A CN201410592100 A CN 201410592100A CN 104284496 A CN104284496 A CN 104284496A
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Abstract
The invention discloses a street lamp based on an MSP430 single-chip microcomputer and a control method of the street lamp based on the MSP430 single-chip microcomputer. The street lamp based on the MSP430 single-chip microcomputer comprises an MSP430 single-chip microcomputer main control module, a light detection module, a human body infrared induction module, a PWM signal control electrical modulation module, a light source and a power supply. According to the street lamp based on the MSP430 single-chip microcomputer, pedestrians and external light can be sensed, so that the brightness is adjusted automatically. According to the control method of the street lamp based on the MSP430 single-chip microcomputer, it is guaranteed that a road is lightened at night, electric energy is saved, and energy is saved and environmental friendliness is achieved when the street lamp is applied to a road with small passenger flow.
Description
Technical field
What the present invention relates to is a kind of street lamp, in particular a kind of street lamp based on MSP430 single-chip microcomputer and control method thereof.
Background technology
Current street lamp miscellaneous is seen everywhere, but is all offer the same old stuff but with a different label.They just change original profile and it are made different shapes, and the intelligent road-lamp of energy-conserving and environment-protective, low cost, low-power consumption does not come into us at one's side.Existing street lamp adopts high-pressure sodium lamp, metal halide lamp, mercury lamp, LED or Non-polarized lamp etc. mostly, but no matter be electricity-saving lamp or non-electricity-saving lamp, after late into the night every day, all start 100% ground work, on the road that especially flow of the people is very little, open all night long, cause the significant wastage of the energy.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, provide a kind of street lamp based on MSP430 single-chip microcomputer and control method thereof, with solve street lamp in prior art whole night 100% power open the power supply waste caused.
The present invention is achieved by the following technical solutions:
The invention provides a kind of street lamp based on MSP430 single-chip microcomputer, comprise MSP430 single-chip microcomputer main control module, light detection module, human body infrared induction module, pwm signal controls electric mode transfer block, light source and power supply, wherein, described MSP single-chip microcomputer main control module is the minimum unit of MSP430 chip and peripheral oscillating circuit composition thereof, described light detection module is made up of photoelectric sensor and peripheral circuit thereof, described human body infrared induction module is made up of infrared induction chip and peripheral circuit thereof, the signal output part of described photoelectric sensor and the signal output part of infrared induction chip are connected to the different port of MSP430 chip respectively, the output of described MSP430 chip connects pwm signal successively and controls electric mode transfer block and light source.
Described pwm signal controls electric mode transfer block and is made up of photo resistance and peripheral circuit thereof.
Described power supply comprises solar panel and storage battery, makes full use of solar energy for street lamp at night and provides electric energy, environmental protection, energy savings.
Described light source is LED, controls electric mode transfer block to the adjustment of light-source brightness to coordinate pwm signal.
Present invention also offers a kind of above-mentioned method for controlling street lamps based on MSP430 single-chip microcomputer, said method comprising the steps of:
(1) the MSP430 single-chip microcomputer main control module of initialization street lamp and PWM electricity mode transfer block;
(2) light detection module examinations current light signal value, the light threshold value of current light signal value and setting is made comparisons, if current light signal value is greater than the light threshold value of setting, street lamp cuts out, if current light signal value is less than the light threshold value of setting, open road-light light-source in setting brightness, open human body infrared induction module simultaneously;
(3) human body infrared induction module detects current human's approach signal value, the human body proximity threshold value of current human's approach signal value and setting is made comparisons, if current human's approach signal value is less than human body proximity threshold value, open PWM electricity mode transfer block, Dominating paths lamp source improves brightness on the basis of described setting brightness, if current human's approach signal value is greater than human body proximity threshold value, PWM electricity mode transfer block Dominating paths lamp source returns described setting brightness.
The present invention has the following advantages compared to existing technology: the invention provides a kind of street lamp based on MSP430 single-chip microcomputer and control method thereof, this street lamp can perception pedestrian and extraneous light and automatic regulating lightness, saves energy while ensureing to illuminate road night, the road that flow of the people is less has the advantage of energy-conserving and environment-protective.
Accompanying drawing explanation
Fig. 1 is the circuit structure block diagram of street lamp of the present invention.
Embodiment
Elaborate to embodiments of the invention below, the present embodiment is implemented under premised on technical solution of the present invention, give detailed execution mode and concrete operating process, but protection scope of the present invention is not limited to following embodiment.
Embodiment 1
A kind of street lamp based on MSP430 single-chip microcomputer of the present embodiment, there is circuit structure block diagram as shown in Figure 1, comprise MSP430 single-chip microcomputer main control module, light detection module, human body infrared induction module, pwm signal controls electric mode transfer block, light source and power supply, wherein, described MSP single-chip microcomputer main control module is the minimum unit of MSP430 chip and peripheral oscillating circuit composition thereof, described light detection module is made up of photoelectric sensor and peripheral circuit thereof light detection module, described human body infrared induction module is made up of infrared induction chip and peripheral circuit thereof, the signal output part of described photoelectric sensor and the signal output part of infrared induction chip are connected to the different port of MSP430 chip respectively, the output of described MSP430 chip connects pwm signal successively and controls electric mode transfer block and light source, described electric mode transfer block is made up of photo resistance and peripheral circuit thereof, described power module comprises solar panel and power storage module, owing to needing different voltage in this street lamp circuit, and be fixing by storage battery voltage out, therefore, this street lamp comprises the storage battery of three kinds of different output voltages, these three kinds different storage batterys connect the different elements of this street lamp circuit respectively, what wherein need 3.3V voltage has MSP430 single-chip microcomputer, what need 5V voltage has infrared induction circuit and photoelectric sensor, the pwm signal that has of 7.2V voltage is needed to control electric mode transfer block, described light source is LED, controls electric mode transfer block to the adjustment of light-source brightness to coordinate pwm signal.
Present invention also offers a kind of above-mentioned method for controlling street lamps based on MSP430 single-chip microcomputer, said method comprising the steps of:
(1) the MSP430 single-chip microcomputer main control module of initialization street lamp and PWM electricity mode transfer block;
(2) light detection module examinations current light signal value, the light threshold value of current light signal value and setting is made comparisons, if current light signal value is greater than the light threshold value of setting, street lamp cuts out, if current light signal value is less than the light threshold value of setting, open road-light light-source in setting brightness, open human body infrared induction module simultaneously;
(3) human body infrared induction module detects current human's approach signal value, the human body proximity threshold value of current human's approach signal value and setting is made comparisons, if current human's approach signal value is less than human body proximity threshold value, open PWM electricity mode transfer block, Dominating paths lamp source improves brightness on the basis of described setting brightness, if current human's approach signal value is greater than human body proximity threshold value, PWM electricity mode transfer block Dominating paths lamp source returns described setting brightness.
Claims (5)
1. the street lamp based on MSP430 single-chip microcomputer, it is characterized in that, comprise MSP430 single-chip microcomputer main control module, light detection module, human body infrared induction module, pwm signal controls electric mode transfer block, light source and power supply, wherein, described MSP430 single-chip microcomputer main control module is the minimum unit of MSP430 chip and peripheral oscillating circuit composition thereof, described light detection module is made up of photoelectric sensor and peripheral circuit thereof, described human body infrared induction module is made up of infrared induction chip and peripheral circuit thereof, the signal output part of described photoelectric sensor and the signal output part of infrared induction chip are connected to the different port of MSP430 chip respectively, the output of described MSP430 chip connects pwm signal successively and controls electric mode transfer block and light source.
2. a kind of street lamp control system based on MSP430 single-chip microcomputer according to claim 1, is characterized in that, described pwm signal controls electric mode transfer block and is made up of photo resistance and peripheral circuit thereof.
3. a kind of street lamp control system based on MSP430 single-chip microcomputer according to claim 1, it is characterized in that, described power supply comprises solar panel and storage battery.
4. a kind of street lamp control system based on MSP430 single-chip microcomputer according to claim 1, is characterized in that, described light source is LED.
5., as claimed in claim 1 based on a method for controlling street lamps for MSP430 single-chip microcomputer, it is characterized in that, said method comprising the steps of:
(1) the MSP430 single-chip microcomputer main control module of initialization street lamp and PWM electricity mode transfer block;
(2) light detection module examinations current light signal value, the light threshold value of current light signal value and setting is made comparisons, if current light signal value is greater than the light threshold value of setting, street lamp cuts out, if current light signal value is less than the light threshold value of setting, open road-light light-source in setting brightness, open human body infrared induction module simultaneously;
(3) human body infrared induction module detects current human's approach signal value, the human body proximity threshold value of current human's approach signal value and setting is made comparisons, if current human's approach signal value is less than human body proximity threshold value, open PWM electricity mode transfer block, Dominating paths lamp source improves brightness on the basis of described setting brightness, if current human's approach signal value is greater than human body proximity threshold value, PWM electricity mode transfer block Dominating paths lamp source returns described setting brightness.
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| CN201410592100.8A CN104284496A (en) | 2014-10-29 | 2014-10-29 | Street lamp based on MSP430 single-chip microcomputer and control method thereof |
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| CN201410592100.8A CN104284496A (en) | 2014-10-29 | 2014-10-29 | Street lamp based on MSP430 single-chip microcomputer and control method thereof |
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Cited By (4)
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| CN108347815A (en) * | 2018-03-22 | 2018-07-31 | 河南科技大学 | A kind of city street lamp intelligent opening control device and its control method |
| CN108990206A (en) * | 2018-06-15 | 2018-12-11 | 深圳市均益安联光伏***工程有限责任公司 | Photovoltaic type illumination control method and device |
| CN108968859A (en) * | 2018-07-17 | 2018-12-11 | 佛山市顺德区美的洗涤电器制造有限公司 | Light control method, dish-washing machine and computer readable storage medium |
| CN112702819A (en) * | 2020-12-31 | 2021-04-23 | 合安科技技术有限公司 | Single-lamp controller of street lamp, street lamp and control method |
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Application publication date: 20150114 |