CN106981919A - A kind of modular small solar energy storage device with data transfer - Google Patents

A kind of modular small solar energy storage device with data transfer Download PDF

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Publication number
CN106981919A
CN106981919A CN201710329618.6A CN201710329618A CN106981919A CN 106981919 A CN106981919 A CN 106981919A CN 201710329618 A CN201710329618 A CN 201710329618A CN 106981919 A CN106981919 A CN 106981919A
Authority
CN
China
Prior art keywords
module
battery management
energy storage
storage device
data transfer
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
CN201710329618.6A
Other languages
Chinese (zh)
Inventor
杨成钢
赵汉鹰
王灿灿
初金良
王笑棠
徐清波
陈小伟
雷娅
任宇航
任宇珂
周曼
王文才
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.)
State Grid Corp of China SGCC
Lishui Power Supply Co of State Grid Zhejiang Electric Power Co Ltd
Original Assignee
State Grid Corp of China SGCC
Lishui Power Supply Co of State Grid Zhejiang Electric Power Co Ltd
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 State Grid Corp of China SGCC, Lishui Power Supply Co of State Grid Zhejiang Electric Power Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN201710329618.6A priority Critical patent/CN106981919A/en
Publication of CN106981919A publication Critical patent/CN106981919A/en
Pending legal-status Critical Current

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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
    • H02J7/342The other DC source being a battery actively interacting with the first one, i.e. battery to battery charging
    • 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
    • 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

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

Abstract

The invention discloses a kind of modular small solar energy storage device with data transfer, including solar powered module, battery management module, lithium battery pack, voltage monitoring module and data transmission module, the output end of the solar powered module connects the input of battery management module, the battery management module is connected with lithium battery pack, the lithium battery pack output end is connected with voltage monitoring module, and voltage monitoring module output end is connected with data transmission module.It is an advantage of the invention that:All component is modularized design, and configuration is simple, reasonable;Voltage monitoring module and data transmission module can detect the real-time voltage value of solar powered module, data can be achieved specified location is transferred to by communication interface, energy-storage system data are transmitted together with monitoring data, staff can more be apparent from the electricity consumption situation of different regions different loads, be conveniently adjusted system design.

Description

A kind of modular small solar energy storage device with data transfer
Technical field
The present invention relates to photovoltaic energy storage technical field, more particularly to a kind of modular small solar energy storage with data transfer Can device.
Background technology
At present, solar cell because its resource is huge, clean without advantage dirty, easy for installation be just widely used in power station, In terms of monitoring, street lamp, Lawn lamp.In actual applications, the general energy storage device of solar cell is lead-acid accumulator, lithium electricity Pond, super capacitor etc..It is bulky for lead-acid accumulator, it is unfavorable for installing, service life is short, winter harsh weather Under can not to load normal power supply.Therefore, lithium battery is because under its identical capacity, volume is smaller, and weight is lighter, but because lithium electricity Cell system is complicated, cost is high, and its application also receives certain limitation.
In the prior art, using crystal silicon solar batteries as power supply unit, battery is the monitoring system of energy storage device, is used Short life, bulky, heavier-weight, and the system charging ability under low light condition are not enough, cause solar energy utilization ratio not high. Main cause is that monocrystaline silicon solar cell does not produce electric current under low irradiation or produces low current, and can not give lead-acid accumulator Charging so that system effectiveness is reduced to 50%~60%, especially in the more place of haze sky.And lead-acid accumulator is general Life-span is 2~3 years, and service life is short, the even winter harsh weather of the photovoltaic off-grid system by accumulation power supply of lead-acid accumulator Under can not normally start, and monocrystalline silicon battery lightweight packages are heavier, and transport is difficult in the place of high mountain etc., and cost of labor is high, peace Full property is low, and maintenance cost is high.
In the prior art, announce and disclose one kind for 205212526U Chinese invention patent《Based on thin film solar electricity The long-acting integrated power-supply system in pond》, " including membrane photovoltaic component, super capacitor module, charging-discharging controller, voltage stabilizing mould The energy storage device that group and lithium battery pack are constituted, the input of the super capacitor module described in the output end connection of membrane photovoltaic component End, the output end of super capacitor module connects the input of charging-discharging controller, and the output end connection of charging-discharging controller is described Voltage stabilizing module;Lithium battery pack is connected with described charging-discharging controller;Membrane photovoltaic component is flexible or rigid film Solar cell;The rated voltage of membrane photovoltaic component is higher than the maximum voltage of lithium battery pack.”
Although prior art proposes a kind of light, efficient, long-life long-acting one based on thin-film solar cells The power-supply system of change, the low pressure charging property for possessing the dim light generating for making full use of membrane photovoltaic component and super capacitor, has Efficient dim light generates electricity, the advantage that overall system efficiency is high.However, the utilization rate of lithium battery can not be detected in the prior art, it is impossible to Lithium battery operational data is clearly grasped, the electricity consumption situation and the stability of a system of different regions different loads is not known about, is not easy to System design is adjusted, so as to cause design unreasonable, the waste of resource is caused to a certain extent.Repair and maintenance is not easy to, is deposited In potential safety hazard.
The content of the invention
, can be effective it is an object of the invention to provide a kind of modular small solar energy storage device with data transfer Solution can not detect the utilization rate of lithium battery in the prior art, it is impossible to adjust asking for system design using different regions different loads Topic.
In order to solve the above-mentioned technical problem, the present invention is achieved by the following technical solutions:It is a kind of with data transfer Modular small solar energy storage device, including solar powered module, battery management module, lithium battery pack, voltage monitoring Module and data transmission module, the output end of the solar powered module connect the input of the battery management module, institute State battery management module with the lithium battery pack to be connected, the lithium battery pack output end is connected with the voltage monitoring mould Block, the voltage monitoring module output end is connected with the data transmission module.
It is preferred that, the solar powered module include solar cell, super capacitor and the first Voltage stabilizing module, it is described too Positive energy battery is parallel with the first Voltage stabilizing module with being connected after super capacitor series connection on battery management module, the super capacitor.It is super Level electric capacity can not only improve the operating efficiency of solar cell, moreover it is possible to improve the energy storage efficiency of solar powered module;First Voltage stabilizing module can extend the use time of solar powered module when sunlight intensity is reduced using sunlight irradiation difference.
It is preferred that, super capacitor is PWM three-stage pulse modes, the PWM to the battery management module charging modes Three sections of pulse modes include electric current charging, voltage charging and floating charge.Using PWM three-stage pulse charging manners, simplify Hardware circuit, reduces hardware cost, reduces the impact failure to battery.
It is preferred that, the solar cell includes direct band-gap semicondictor, and described solar cell is flexibility or rigidity Thin-film solar cells.The dim light performance of direct band-gap semicondictor more preferably, with the monocrystaline silicon solar cell under Same Efficieney Longer compared to the sunshine-duration, flexible thin-film solar cell can mitigate the weight of power-supply system, improve generated energy;Stiffness films Solar cell, with higher photoelectric transformation efficiency.
It is preferred that, the battery management module includes battery management system, dynamic monitoring module and the second Voltage stabilizing module, institute State battery management system to be connected with solar powered module, dynamic monitoring module is connected with battery management system to monitor The voltage of solar powered module is stated, battery management system is also connected with load by the second Voltage stabilizing module.Dynamic monitoring module is used To monitor the voltage of solar cell;Second Voltage stabilizing module can improve the job stability of load.
It is preferred that, the voltage detection module includes control group, wiring group, collection group, display group and communication set, and structure is tight Gather, small volume is lightweight, easy for installation, with over-pressed, under-voltage, default-phase protection function.
It is preferred that, the voltage monitoring module and the wired or wireless connection of data transmission module.Voltage monitoring module and number According to transport module wired connection, signal transmission effect is good;Voltage monitoring module and data transmission module wireless connection, installation side Just.
It is preferred that, solar powered module and the battery management module is each attached in function box, the function box bag Lid and box body are included, the lid is detachably connected with box body, the box side wall is provided with input adapter, out splice going splice and work Make joint, the input adapter and the out splice going splice are detachably electrically connected.Lid is detachably connected with box body, solar powered Module and battery management module are arranged and fixed conveniently;Input adapter and the out splice going splice are detachably electrically connected, and solar energy is supplied The input head connection of the export head and battery management module function box of electric module function box is installation, simple to operate.
It is preferred that, four sides of the lid bottom are all provided with flexible fastener, the fastener being provided with groove, the box body Four madial walls on be equipped with projection, when lid and box body are fixed, the projection is caught in the groove, each described convex Being provided with through hole on the side wall for playing vertical lower section is used for assisting in opening lid.Projection on lid, which is caught in the groove of hamper, to be made Hamper and lid are fixed, fixation;Through hole is provided with the side wall of each raised vertical lower section, is opened with needle bar through through hole top Fastener makes lid be separated with box body, simple to operate.
It is preferred that, the raised top is arc angling, and the raised bottom is right angle chamfering.Raised top is Arc angling, during fixed lid, being easy to the bottom of fastener to pass through makes projection be caught in the groove on fastener after projection;Under raised Portion is right angle chamfering, coordinates raised and fastener more firm, prevents lid to be opened accidentally.
Prior art is compared, it is an advantage of the invention that:The output end connection battery management module of solar powered module Input, battery management module is connected with lithium battery pack, and all component is modularized design, and configuration is simple, reasonable, maintenance It is convenient;Lithium battery pack output end is connected with voltage monitoring module, and voltage monitoring module output end is connected with data transmission module, Wherein voltage monitoring module and data transmission module are used for the real-time voltage value for monitoring solar powered module, and data can be achieved and lead to Cross communication interface and be transferred to specified location, energy-storage system data are transmitted together with monitoring data, facilitate staff to see in real time Examine, staff can more be apparent from the electricity consumption situation of different regions different loads, be conveniently adjusted system design.
Brief description of the drawings
Fig. 1 is module frame chart of the invention;
Fig. 2 is that function box is connected with each other schematic diagram;
Fig. 3 is schematic diagram when lid is opened with box body;
Fig. 4 is schematic diagram when lid is closed with box body.
Embodiment
Embodiments of the invention are further illustrated below in conjunction with the accompanying drawings:
As shown in figure 1, a kind of modular small solar energy storage device with data transfer, including solar powered module 1st, battery management module 2, lithium battery pack 3, voltage monitoring module 5 and data transmission module 6, the solar powered module Output end connects the input of battery management module, and the battery management module is connected with lithium battery pack, the lithium battery Component output end is connected with voltage monitoring module, and voltage monitoring module output end is connected with data transmission module, voltage monitoring mould Block and the wired or wireless connection of data transmission module.
Solar powered module includes solar cell 11, the Voltage stabilizing module 13 of super capacitor 12 and first, the solar energy Battery is connected on battery management module, the super capacitor after being connected with super capacitor and is parallel with the first Voltage stabilizing module.Super electricity It is PWM three-stage pulse modes to hold to the battery management module charging modes, and described tri- sections of pulse modes of PWM are filled including electric current Electricity, voltage charging and floating charge.Using PWM three-stage pulse charging manners, simplify hardware circuit, reduce hardware into This, reduces the impact failure to battery.Using super capacitor, the operating efficiency of solar cell can be improved, is improved simultaneously The energy storage efficiency of solar energy system.Super capacitor can be prevented effectively from solar cell power generation not as intermediate energy buffer unit Stable characteristic, improves the quality of power supply for pouring lithium battery, extends the service life of lithium battery, current cost after reduction.
Solar cell include direct band-gap semicondictor, the dim light performance of direct band-gap semicondictor more preferably, with Same Efficieney Under monocrystaline silicon solar cell compared to the sunshine-duration it is longer.Solar cell is flexible or rigid thin-film solar cells, Flexible thin-film solar cell can mitigate the weight of power-supply system, improve generated energy;Stiffness films solar cell, with more High photoelectric transformation efficiency.Voltage detection module includes control group, wiring group, collection group, display group and communication set, and structure is tight Gather, small volume is lightweight, easy for installation, with over-pressed, under-voltage, default-phase protection function.
Battery management module includes battery management system 22, the Voltage stabilizing module 23 of dynamic monitoring module 24 and second, the electricity Pond management system is connected with solar powered module, be connected with battery management system dynamic monitoring module to monitor it is described too Sun can power the voltage of module, and battery management system is also connected with load 4 by the second Voltage stabilizing module.
As shown in Figure 2, Figure 3, Figure 4, solar powered module and battery management module is each attached in function box, the work( Can box include lid 71 and box body 72, four sides of the lid bottom are all provided with being provided with flexible fastener 711, the fastener recessed Projection 721 is equipped with groove 712, four madial walls of the box body, when lid and box body fixation, the projection is caught in described Being provided with through hole 722 in groove, on the side wall of each raised vertical lower section is used for assisting in opening lid.The box side wall Input adapter, out splice going splice and working joint are provided with, the input adapter and the out splice going splice are detachably electrically connected.Input Joint position aviation plug, out splice going splice is aviation socket, and aviation plug and aviation plug are easy to connect, moreover it is possible to play water-tight corrosion-proof The effect of erosion, working joint is that N shapes joint is used to connect load or lithium battery pack.The raised top is arc angling, Raised bottom is right angle chamfering.Raised top is arc angling, during fixed lid, is easy to the bottom of fastener to pass through after projection Projection is set to be caught in the groove on fastener;Raised bottom is right angle chamfering, coordinates raised and fastener more firm, prevents lid It is opened accidentally.Screen window is provided with lid, facilitates rechargeable solar battery, can prevent impurity from dropping in function box again.On box body Also it is used for the switch for controlling solar powered module or battery management module provided with Metal snap.
The present invention detects the voltage of solar powered module by voltage monitoring module, and the data detected are passed through into number Be transferred to control centre or mobile terminal according to transport module, the transmission mode of use can by wired serial communication, or Wireless 3G/GSM, CDMA, wifi, bluetooth, are sent with star network or short message form, to help staff to grasp data in real time Situation.Influenceed by different regions sunlight irradiation, the service condition of identical load is also different.Increase voltage detecting and data are passed Defeated module can Real Time Observation different regions service condition, by the size of solar cell in adjusting module, more reasonably The configuration of adjustment system, can greatly save the cost of system, while meeting some application fields for requiring working stability.
The specific embodiment of the present invention is the foregoing is only, but the technical characteristic of the present invention is not limited thereto, Ren Heben The technical staff in field is in the field of the invention, and the change or modification made all are covered among the scope of the claims of the present invention.

Claims (10)

1. a kind of modular small solar energy storage device with data transfer, it is characterised in that:Including solar powered module (1), battery management module (2), lithium battery pack (3), voltage monitoring module (5) and data transmission module (6), the solar energy The output end of module (1) of powering connects the input of the battery management module (2), the battery management module (2) with it is described Lithium battery pack (3) is connected, and lithium battery pack (3) output end is connected with the voltage monitoring module (5), the voltage Monitoring modular (5) output end is connected with the data transmission module (6).
2. a kind of modular small solar energy storage device with data transfer according to claim 1, it is characterised in that The solar powered module (1) include solar cell (11), super capacitor (12) and the first Voltage stabilizing module (13), it is described too Positive energy battery (11) after the super capacitor (12) series connection with being connected on battery management module (2), the super capacitor (12) simultaneously It is associated with first Voltage stabilizing module (13).
3. a kind of modular small solar energy storage device with data transfer according to claim 2, it is characterised in that The super capacitor (12) is PWM three-stage pulse modes, described tri- sections of pulses of PWM to the battery management module charging modes Mode includes electric current charging, voltage charging and floating charge.
4. a kind of modular small solar energy storage device with data transfer according to claim 2, it is characterised in that The solar cell (11) includes direct band-gap semicondictor, described solar cell (11) for flexible or rigid film too Positive energy battery.
5. a kind of modular small solar energy storage device with data transfer according to claim 1, it is characterised in that The battery management module (2) includes battery management system (22), dynamic monitoring module (24) and the second Voltage stabilizing module (23), institute State battery management system (22) to be connected with solar powered module (1), battery management system is connected with dynamic monitoring mould on (22) Voltage of the block (24) to monitor the solar powered module (1), battery management system (22) also passes through the second Voltage stabilizing module (23) it is connected with load (4).
6. a kind of modular small solar energy storage device with data transfer according to claim 1, it is characterised in that The voltage detection module (5) includes control group, wiring group, collection group, display group and communication set.
7. a kind of modular small solar energy storage device with data transfer according to claim 1, it is characterised in that The voltage monitoring module (5) and the wired or wireless connection of data transmission module (6).
8. a kind of modular small solar energy storage device with data transfer according to claim 1, it is characterised in that The solar powered module (1) and battery management module (2) are each attached in function box, and the function box includes lid (71) With box body (72), the lid (71) is detachably connected with box body (72), and box body (72) side wall is provided with input adapter (73), out splice going splice (74) and working joint, the input adapter (73) and the out splice going splice (74) are detachably electrically connected.
9. a kind of modular small solar energy storage device with data transfer according to claim 8, it is characterised in that Four sides of lid (71) bottom are all provided with being provided with groove (712) on flexible fastener (711), the fastener (711), described Raised (721) are equipped with four madial walls of box body (72), when lid (71) and fixed box body (72), the projection (721) it is caught in the groove (712), being provided with through hole (722) on the side wall of each raised (721) vertical lower section is used for Assisting in opening lid (71).
10. a kind of modular small solar energy storage device with data transfer according to claim 9, its feature exists In the top of the projection (721) is arc angling, and the bottom of the projection (721) is right angle chamfering.
CN201710329618.6A 2017-05-11 2017-05-11 A kind of modular small solar energy storage device with data transfer Pending CN106981919A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710329618.6A CN106981919A (en) 2017-05-11 2017-05-11 A kind of modular small solar energy storage device with data transfer

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Application Number Priority Date Filing Date Title
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CN106981919A true CN106981919A (en) 2017-07-25

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Citations (5)

* 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
CN105391157A (en) * 2015-12-21 2016-03-09 浙江尚越新能源开发有限公司 Long-acting integrated power supply system based on thin-film solar battery and charging method
JP6017715B1 (en) * 2016-01-29 2016-11-02 株式会社A−スタイル Solar power system
CN106253801A (en) * 2016-08-18 2016-12-21 国网天津市电力公司 A kind of honourable mixed power supply system towards electric power Internet of things node
CN206685956U (en) * 2017-05-11 2017-11-28 国家电网公司 A kind of modular small solar energy storage device with data transfer

Patent Citations (5)

* 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
CN105391157A (en) * 2015-12-21 2016-03-09 浙江尚越新能源开发有限公司 Long-acting integrated power supply system based on thin-film solar battery and charging method
JP6017715B1 (en) * 2016-01-29 2016-11-02 株式会社A−スタイル Solar power system
CN106253801A (en) * 2016-08-18 2016-12-21 国网天津市电力公司 A kind of honourable mixed power supply system towards electric power Internet of things node
CN206685956U (en) * 2017-05-11 2017-11-28 国家电网公司 A kind of modular small solar energy storage device with data transfer

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