CN106712259A - Solar cell system based on wireless sensor network - Google Patents

Solar cell system based on wireless sensor network Download PDF

Info

Publication number
CN106712259A
CN106712259A CN201710114560.3A CN201710114560A CN106712259A CN 106712259 A CN106712259 A CN 106712259A CN 201710114560 A CN201710114560 A CN 201710114560A CN 106712259 A CN106712259 A CN 106712259A
Authority
CN
China
Prior art keywords
solar cell
wireless sensor
sensor network
energy
circuit
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.)
Pending
Application number
CN201710114560.3A
Other languages
Chinese (zh)
Inventor
安雪娥
潘汉怀
罗时书
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Huaian Vocational College of Information Technology
Original Assignee
Huaian Vocational College of Information Technology
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Huaian Vocational College of Information Technology filed Critical Huaian Vocational College of Information Technology
Priority to CN201710114560.3A priority Critical patent/CN106712259A/en
Publication of CN106712259A publication Critical patent/CN106712259A/en
Pending legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/34Parallel operation in networks using both storage and other DC sources, e.g. providing buffering
    • H02J7/35Parallel operation in networks using both storage and other DC sources, e.g. providing buffering with light sensitive cells
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/34Parallel operation in networks using both storage and other DC sources, e.g. providing buffering
    • H02J7/345Parallel operation in networks using both storage and other DC sources, e.g. providing buffering using capacitors as storage or buffering devices
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0029Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
    • H02J7/00302Overcharge protection
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0029Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
    • H02J7/00306Overdischarge protection
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/50Photovoltaic [PV] energy
    • Y02E10/56Power conversion systems, e.g. maximum power point trackers

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Selective Calling Equipment (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Photovoltaic Devices (AREA)

Abstract

The invention discloses a solar cell system based on a wireless sensor network, belonging to the field of solar cell systems. The solar cell system comprises a solar cell, a DC-DC conversion circuit, a microcontroller circuit, a capacitor, an energy storage cell and a wireless sensor network, wherein the output end of the solar cell is connected with the microcontroller circuit and the DC-DC conversion circuit respectively; the output end of the DC-DC conversion circuit is connected with the capacitor and the energy storage cell respectively, the current voltage of the capacitor and the energy storage cell is connected to the microcontroller circuit, and the capacitor is used for supplying electricity to the wireless sensor network; the microcontroller is communicated with the wireless sensor network. According to the solar cell system, the capacitor and the energy storage cell are charged properly by sufficiently utilizing the powerful function of the microcontroller circuit, and the solar cell is monitored in real time due to communication of the microcontroller circuit and the wireless sensor network. The solar cell system based on the wireless sensor network has the advantages of high voltage quality, relatively low power consumption, high energy utilization, intelligence and the like.

Description

A kind of solar cell system based on wireless sensor network
System regions
The present invention relates to solar cell system field, a kind of solar energy based on wireless sensor network is specifically related to Battery system.
Background system
In recent years, with wireless sensor network system continue to develop and its range of application continuous extension, both at home and abroad More and more apply the system for employing wireless sensor network.Meanwhile, along with the development studied Internet of Things in recent years, Function using the Internet of things node of wireless sensor network system is constantly increasing.Except data acquisition function, work(is controlled Can, local networking function, wide-area networking function etc., new function is just gradually integrated on wireless sensor node.
The power supply mode that traditional wireless sensor network is powered using general dry battery, because dry cell electricity is limited (usually 1500mAh), then dry cell electricity can operation 10 days or so time post consumption totally, if therefore Bian have with energy The dry cell power supply scheme of limit, the then cycle for changing battery is too short, and the manpower for causing and the expense safeguarded can be very big.Traditional base Can not be according to the discharge and recharge of environmental fitness, while output voltage and electric current are also less in the solar cell of wireless sensor network Stablize, and can not well prevent overcharging and putting excessively for battery.
The content of the invention
1. the system problem to be solved
The invention solves the problems that system problem be that a kind of solar cell system based on wireless sensor network is provided, It uses solar cell to be powered to wireless sensor network by electric capacity, and energy-storage battery is provided with again for storing wireless senser Electric energy after network utilization, and make full use of being filled to electric capacity and energy-storage battery for the powerful function appropriateness of microcontroller circuit Electricity, also by microcontroller circuit and the communication monitor in real time solar cell of wireless sensor network, with quality of voltage it is high, Power consumption is relatively low, capacity usage ratio is high, it is intelligent the advantages of.
2. system schema
To solve the above problems, the present invention takes following system schema:
A kind of solar cell system based on wireless sensor network, including solar cell, DC-DC switched circuits, Microcontroller circuit, electric capacity, energy-storage battery and wireless sensor network, the output end of the solar cell respectively with microcontroller Device circuit and DC-DC conversion circuit are connected, and the output end of the DC-DC conversion circuit is connected with electric capacity and energy-storage battery respectively, The current voltage of the electric capacity and energy-storage battery is connected in microcontroller circuit, and the electric capacity is supplied to wireless sensor network Electricity;The microcontroller circuit and network communication of wireless sensor.
Further, the microcontroller circuit is sampled to the current voltage of electric capacity and energy-storage battery in real time, is realized The measurement of monitoring and electricity to their current voltages.
Further, the microcontroller circuit passes through the output voltage of solar cell according to the current voltage of electric capacity DC-DC conversion circuit is converted to suitable constant pressure to capacitor fast charging.
Further, the output voltage of the microcontroller circuit real-time sampling solar cell, and with energy-storage battery Current voltage is compared, and is charged to energy-storage battery after the output voltage of solar cell is converted through DC-DC conversion circuit.
Specifically, the DC-DC conversion circuit when the output voltage of solar cell is relatively low by the defeated of solar cell Charged to energy-storage battery after going out boost in voltage, when the output voltage of solar cell is higher by the output voltage of solar cell Charged to energy-storage battery after step-down.
Further, the wireless sensor network by wireless sensor node distributed group into for receiving microcontroller The solar cell information that device circuit transmission is come, and it is transmitted to each terminal device.
3. beneficial effect
(1) present invention is charged using solar cell to wireless sensor network, of the invention by electricity compared with than general dry battery The cycle that pond is changed extremely extends, and greatlys save manpower and the expense safeguarded.
(2) present invention charges to electric capacity first with solar cell, then is powered to wireless sensor network by electric capacity, compared with than Traditional solar cell is directly powered, and capacitances to supply power is conducive to improving power factor, reduces the power of line loss, improves system System quality of voltage, increases the ability to transmit electricity of power transmission and transforming equipment.
(3) charged to wireless sensor network using solar cell, in the case of solar energy abundance, can produced a large amount of Unnecessary electric energy, the present invention is provided with energy-storage battery, for storing the electric energy after wireless sensor network is utilized, can less work( Consumption, realizes the efficient utilization of solar cell.
(4) present invention makes full use of the powerful function of microcontroller circuit, solar cell modules are acquired, Output and control, while gathering the voltage of electric capacity and energy-storage battery, according to the actual requirements, appropriate fills to electric capacity and energy-storage battery Electricity, can intelligently prevent overcharging and putting excessively for battery.
(5) information of solar cell is also transferred to wireless sensor network by the present invention by microcontroller circuit, respectively Terminal device can obtain solar cell information by wireless sensor network so that related personnel can monitor in real time solar-electricity The function situation in pond, further embodies the intellectuality of the system.
The present invention is powered by electric capacity using solar cell to wireless sensor network, and energy-storage battery is provided with again for depositing Storage wireless sensor network utilize after electric energy, and make full use of the powerful function appropriateness of microcontroller circuit to electric capacity and Energy-storage battery charges, and also by microcontroller circuit and the communication monitor in real time solar cell of wireless sensor network, has Quality of voltage is high, power consumption is relatively low, capacity usage ratio is high, it is intelligent the advantages of.
Brief description of the drawings
Fig. 1 is structural representation of the invention;
Fig. 2 is the circuit diagram of voltage detecting circuit in microcontroller circuit;
Fig. 3 is the circuit diagram of DC-DC conversion circuit.
Specific embodiment
The present invention is further detailed explanation with reference to the accompanying drawings and examples.
Embodiment
As shown in figure 1, a kind of solar cell system based on wireless sensor network, including solar cell, DC-DC Switched circuit, microcontroller circuit, electric capacity, energy-storage battery and wireless sensor network, the output end point of the solar cell Be not connected with microcontroller circuit and DC-DC conversion circuit, the output end of the DC-DC conversion circuit respectively with electric capacity and energy storage Battery is connected, and the current voltage of the electric capacity and energy-storage battery is connected in microcontroller circuit, and the electric capacity is to wireless sensing Device network power supply.
As shown in Fig. 2 the voltage detecting to be used for controlling and detecting solar cell output voltage in microcontroller circuit Circuit:The anode of solar cell is connected with R1 with R2 resistance respectively with negative terminal, and an amplifier A, the negative terminal of amplifier are connected afterwards 2V voltages, anode connection R3 and R4 are met, and is connected to 5V voltages;The output end of amplifier A is connected with the total output end of circuit.The circuit Output voltage is transmitted to microcontroller circuit to judge and process.
As shown in figure 3, be simultaneously have boosting and dropping voltage characteristic DC-DC conversion circuit, the circuit by inductance L1 and L2, Input capacitance Cin, output capacitance Cout, isolation capacitance Cs, voltage-stabiliser tube D1 and switching tube Q1 are constituted, and circuit breaker in middle pipe Q1's accounts for The empty output voltage than decision-making circuit.The advantage that the circuit is different from other topological circuits is input and output same polarity, and is opened It is that low side drives to close pipe Q1;In the application charged for battery, it is higher or lower than cell voltage that the circuit allows input voltage;Together When the circuit input and output isolated by electric capacity Cs in circuit, circuit can be complete switched off, i.e., when switching tube thoroughly disconnects, Output voltage perseverance is zero.
The concrete application principle of above-mentioned solar cell system is:
The microcontroller circuit is sampled to the current voltage of electric capacity and energy-storage battery in real time, is realized current to them The monitoring of voltage and the measurement of electricity;
The microcontroller circuit converts the output voltage of solar cell through DC-DC according to the current voltage of electric capacity Circuit conversion is suitable constant pressure to capacitor fast charging;Electric capacity is powered to wireless sensor network, and each terminal device is from nothing Line sensor network obtains information;
Meanwhile, the output voltage of the microcontroller circuit real-time sampling solar cell, and it is current with energy-storage battery Voltage is compared, and is charged to energy-storage battery after the output voltage of solar cell is converted through DC-DC conversion circuit.Specifically Ground, the DC-DC conversion circuit is when the output voltage of solar cell is relatively low by after the output voltage boosting of solar cell Charged to energy-storage battery, energy storage will be given after the output voltage step-down of solar cell when the output voltage of solar cell is higher Battery charges.
In addition, as shown in figure 1, the microcontroller circuit and network communication of wireless sensor;Specifically, the wireless biography Sensor network is by wireless sensor node distributed group into for receiving the solar cell letter that microcontroller circuit transmission comes Breath, and it is transmitted to each terminal device.So that related personnel can monitor in real time solar cell function situation, further Embody the intellectuality of the system.
Conventional system personnel in the system field it should be appreciated that the embodiment of the above is intended merely to the explanation present invention, And be not used as being limitation of the invention, as long as in spirit of the invention, the change to embodiment described above Change, modification will all fall in scope of the presently claimed invention.

Claims (6)

1. a kind of solar cell system based on wireless sensor network, it is characterised in that including solar cell, DC-DC Switched circuit, microcontroller circuit, electric capacity, energy-storage battery and wireless sensor network, the output end point of the solar cell Be not connected with microcontroller circuit and DC-DC conversion circuit, the output end of the DC-DC conversion circuit respectively with electric capacity and energy storage Battery is connected, and the current voltage of the electric capacity and energy-storage battery is connected in microcontroller circuit, and the electric capacity is to wireless sensing Device network power supply;The microcontroller circuit and network communication of wireless sensor.
2. a kind of solar cell system based on wireless sensor network according to claim 1, it is characterised in that institute Microcontroller circuit is stated in real time to sample the current voltage of electric capacity and energy-storage battery.
3. a kind of solar cell system based on wireless sensor network according to claim 2, it is characterised in that institute Current voltage of the microcontroller circuit according to electric capacity is stated, the output voltage of solar cell is converted to through DC-DC conversion circuit Suitable constant pressure is to capacitor fast charging.
4. a kind of solar cell system based on wireless sensor network according to claim 2, it is characterised in that institute The output voltage of microcontroller circuit real-time sampling solar cell is stated, and is compared with the current voltage of energy-storage battery, will The output voltage of solar cell charges after being converted through DC-DC conversion circuit to energy-storage battery.
5. a kind of solar cell system based on wireless sensor network according to claim 3, it is characterised in that institute State after DC-DC conversion circuit boosts the output voltage of solar cell when the output voltage of solar cell is relatively low to energy storage Battery charges, and will be filled to energy-storage battery after the output voltage step-down of solar cell when the output voltage of solar cell is higher Electricity.
6. a kind of solar cell system based on wireless sensor network according to claim 1, it is characterised in that institute Wireless sensor network is stated by wireless sensor node distributed group into for receiving the solar energy that microcontroller circuit transmission comes Battery information, and it is transmitted to each terminal device.
CN201710114560.3A 2017-02-28 2017-02-28 Solar cell system based on wireless sensor network Pending CN106712259A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710114560.3A CN106712259A (en) 2017-02-28 2017-02-28 Solar cell system based on wireless sensor network

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710114560.3A CN106712259A (en) 2017-02-28 2017-02-28 Solar cell system based on wireless sensor network

Publications (1)

Publication Number Publication Date
CN106712259A true CN106712259A (en) 2017-05-24

Family

ID=58911978

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710114560.3A Pending CN106712259A (en) 2017-02-28 2017-02-28 Solar cell system based on wireless sensor network

Country Status (1)

Country Link
CN (1) CN106712259A (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203135479U (en) * 2013-01-18 2013-08-14 西北农林科技大学 Self-powered environmental monitoring equipment
CN103427476A (en) * 2012-05-22 2013-12-04 兰宏亮 Energy management system based on wireless sensor node
CN203415999U (en) * 2013-05-21 2014-01-29 浙江大学 Multi-energy acquisition node power supply for wireless sensor network

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103427476A (en) * 2012-05-22 2013-12-04 兰宏亮 Energy management system based on wireless sensor node
CN203135479U (en) * 2013-01-18 2013-08-14 西北农林科技大学 Self-powered environmental monitoring equipment
CN203415999U (en) * 2013-05-21 2014-01-29 浙江大学 Multi-energy acquisition node power supply for wireless sensor network

Similar Documents

Publication Publication Date Title
CN103795136B (en) Micro-energy collecting system of WSN node
CN104659877B (en) A kind of isolation bidirectional constant maintenance system based on shared device power supply
CN202033660U (en) Household monitor wireless sensor terminals powered by solar energy
CN106253395B (en) The electronic automobile-used Intelligent charging unit of one kind and its application method
CN106992601A (en) A kind of multifunction power monitoring system
CN102629825A (en) Circuit structure of realizing synchronous buck-type charging and boost-type power supply by using single inductor
CN106773936A (en) A kind of energy consumption data collecting system based on wireless network
CN104734297A (en) Battery charging control device based on voltage-stabilizing circuit
CN203056659U (en) Wireless charger based on single-chip microcomputer
CN209264817U (en) Passive and wireless current sensor based on double-winding current mutual inductor
CN110021791A (en) A kind of lithium battery balance protection control method and control system
CN206272263U (en) New and old intelligent accummulator uses device with
CN205195336U (en) Two -way balanced charging and discharging circuit of group battery
CN106712259A (en) Solar cell system based on wireless sensor network
CN206775232U (en) A kind of wireless charging device suitable for intelligent access control system
CN201556680U (en) Device for balancing battery voltage of storage battery
CN106410974B (en) A kind of two-stage energy storage system for wireless sensor node
CN103457329A (en) Battery parallel power supply circuit suitable for wireless remote data terminal equipment
CN203276529U (en) Photovoltaic power-supplying wireless voltage transmitter
CN202616999U (en) Circuit configuration for realizing synchronous step-down charging and step-up power supply by using single inductor
CN208581085U (en) GPRS power supply circuit and its manufactured intellectual water meter
CN106899058A (en) Aptitude chargeable circuit and the portable power source using the aptitude chargeable circuit
CN207426794U (en) Novel power transmission line monitoring equipment energy-storage system
CN206640382U (en) A kind of a variety of environmental energy electric supply installations of wireless sensor network node
CN221263415U (en) Efficient energy-taking power supply management device

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20170524

RJ01 Rejection of invention patent application after publication