CN206442169U - Portable type solar recharging knapsack - Google Patents

Portable type solar recharging knapsack Download PDF

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Publication number
CN206442169U
CN206442169U CN201621377628.4U CN201621377628U CN206442169U CN 206442169 U CN206442169 U CN 206442169U CN 201621377628 U CN201621377628 U CN 201621377628U CN 206442169 U CN206442169 U CN 206442169U
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CN
China
Prior art keywords
voltage
loop
energy
storage battery
knapsack
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.)
Expired - Fee Related
Application number
CN201621377628.4U
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Chinese (zh)
Inventor
程启明
李涛
陈路
孙伟莎
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.)
Yucheng Electric Appliance Co., Ltd.
Original Assignee
Shanghai University of Electric Power
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 Shanghai University of Electric Power filed Critical Shanghai University of Electric Power
Priority to CN201621377628.4U priority Critical patent/CN206442169U/en
Application granted granted Critical
Publication of CN206442169U publication Critical patent/CN206442169U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model is related to a kind of portable type solar recharging knapsack, portable type solar recharging knapsack, polylith photovoltaic panel is fitted together, it is laid on the surface of knapsack, the electricity that knapsack surface polylith photovoltaic panel receives illumination generation is exported by photovoltaic cell, loop of voltage regulation, the energy-storage battery that boosting loop, voltage cut-off loop, multiple batteries are connected into and reduction voltage loop are passed sequentially through, obtains stablizing 5V voltages and is inserted to tail, be electronic product charging.Photo-voltaic power supply exports DC voltage after protective circuit of voltage regulation; and give energy-storage battery to charge by booster circuit rise voltage; last to be exported in energy-storage battery by reduction voltage loop, the high pressure at energy-storage battery two ends can be reduced to the charging voltage of general electronic equipment by the loop.Energy storage device not only receives sun tabula rasa electricity in the utility model, can also receive the electricity that external power supply fills by booster circuit.Easily electron equipment it can provide stable charging voltage.Application prospect is than wide, using convenient.

Description

Portable type solar recharging knapsack
Technical field
The utility model is related to a kind of knapsack, more particularly to a kind of portable type solar recharging knapsack.
Background technology
Advancing by leaps and bounds with solar photovoltaic technology in recent years, some products about solar energy power generating Emerge in an endless stream, but majority is with architectural or equipment.And electronic product is also developed rapidly now, the utilization of charger baby is increasingly Extensively, but present charger baby is generally the charged lithium battery of Large Copacity and made, the used time carries out, because not being through conventional Find that charger baby electricity does not fill when may go out.And if photovoltaic is used directly in charger baby, because the electricity produced by area is small Pressure and electric current are very small, the charge power supply of central electronic product are not enough to, because if photovoltaic power generation technology is rationally applied to There is widely prospect in the go off daily life of people, can bring and greatly facilitate.
The content of the invention
The utility model is the problem of being rationally applied to daily life for photovoltaic power generation technology, it is proposed that a kind of portable type Solar recharging knapsack, knapsack surface is laid on by photovoltaic panel, can produce sizable electric current, and is not taken up space, and is carried It is convenient.
The technical solution of the utility model is:A kind of portable type solar recharging knapsack, polylith photovoltaic panel is fitted together, The surface of knapsack is laid on, the electricity that knapsack surface polylith photovoltaic panel receives illumination generation is exported by photovoltaic cell, passed sequentially through Energy-storage battery and reduction voltage loop that loop of voltage regulation, boosting loop, voltage cut-off loop, multiple batteries are connected into, obtain stablizing 5V Voltage is inserted to tail, is electronic product charging.
The boosting loop input has external power interface.
The photovoltaic cell output voltage rises to energy-storage battery needs after loop of voltage regulation voltage stabilizing by loop of boosting Charging voltage, gives energy-storage battery charging.
There is voltage cut-off loop between the boosting loop and energy-storage battery, voltage cut-off loop includes relay, three poles Pipe and voltage-stabiliser tube, relay coil are connected in parallel on energy-storage battery two ends, triode base after being connected with transistor collector and emitter stage Pole connects energy-storage battery positive pole by voltage-stabiliser tube, and the normally closed switch of relay is connected between the output of boosting loop and energy-storage battery.
The reduction voltage loop is Buck reduction voltage circuits, and energy-storage battery output voltage is down into 5V, is electronic product charging confession Electricity.
The beneficial effects of the utility model are:Energy storage is filled on the utility model portable type solar recharging knapsack, knapsack Put and not only receive sun tabula rasa electricity, can also receive the electricity that external power supply fills by booster circuit.In order to prevent energy storage There is reversely charging electrical phenomena afterwards in the fully charged of device, and the present invention is also set in energy storage device with solar panel, external power supply coupling part Excess voltage protection is counted, when energy storage device both end voltage reaches requirement voltage, charge circuit is automatically cut off, thus passenger Outgoing when, can easily electron equipment charge.Application prospect of the present invention is than wide, using convenient.
Brief description of the drawings
Fig. 1 is the utility model solar energy photovoltaic panel assembling figure;
Fig. 2 is the utility model portable type solar recharging knapsack circuit block diagram;
Fig. 3 is the utility model loop of voltage regulation circuit diagram;
Fig. 4 is the utility model boosting loop circuit figure;
Fig. 5 is the utility model voltage cut-off loop circuit diagram;
Fig. 6 is the utility model energy-storage battery figure;
Fig. 7 is the utility model reduction voltage loop circuit diagram;
Fig. 8 is that the utility model mobile phone tail is inserted and USB interface pin figure.
Embodiment
If Fig. 1 is solar energy photovoltaic panel assembling figure.The parameter of every piece of photovoltaic panel be long, high, thickness be 110mm, 125mm, 2.8mm, voltage is 9V, and short circuit current flow is 160mA.Polylith photovoltaic panel is fitted together, and the surface of knapsack is laid on, to produce A certain amount of Current Voltage.
Portable type solar recharging knapsack circuit block diagram as shown in Figure 2, successively including photovoltaic cell, loop of voltage regulation, boosting Loop, voltage cut-off loop, energy storage device, reduction voltage loop, knapsack surface polylith photovoltaic panel receive the electricity of illumination generation by light Lie prostrate battery output, because illumination is affected by environment big, the voltage of output has fluctuation, first passes through loop of voltage regulation, after by Boosting loop rises to the charging voltage that energy-storage battery needs in energy storage device, energy-storage battery charging is given, in order to prevent energy-storage battery After being fully charged, there is reversely charging electrical phenomena, increase voltage cut-off loop between boosting loop and energy-storage battery, prevent from pouring in down a chimney, Energy-storage battery output steady voltage is down to 5V voltages by reduction voltage loop and inserted to tail, is electronic product charging.
This patent make use of the characteristic of LM7805 chips to devise a loop of voltage regulation.5V is raised to 18V to energy-storage battery Charging.After preventing that energy-storage battery is fully charged, there is reversely charging electrical phenomena, this patent have also been devised a voltage and cut off back Road, can cut off charge circuit and energy-storage battery loop when energy-storage battery both end voltage reaches 16.8V, so as to protect Cell circuit.The charging voltage of most of electronic product is 5V, in order that energy-storage battery being capable of the charging of electron product, sheet Patent have also been devised a reduction voltage loop, and energy-storage battery terminal voltage 16.8V is dropped into the charging of 5V electrons product.Other this patent Also one external power supply is charged by loop of boosting to energy-storage battery.
Fig. 3 is loop of voltage regulation circuit diagram, the loop of voltage regulation that make use of LM7805 chips to design, and can produce stable direct current 5V voltages.
Fig. 4 for boosting loop circuit figure, the 5V voltages that loop of voltage regulation is come out by boost booster circuits be raised to 18V to Energy-storage battery charges, and its dutycycle D=0.72, resistance R1 are 10 Ω, and the switching frequency of MOSFET pipes is 10KHz, ripple voltage For 0.2%, inductance L1=3 × 10-5H, electric capacity C3=3.6 × 10-3F.The 5V that loop of voltage regulation comes out can be raised to 18V by it, to storage Can battery charging.The 5V of extraneous power supply can be also raised to 18V by it simultaneously, be charged when no illumination to energy-storage battery.
Fig. 5 is voltage cut-off loop circuit diagram, is Overvoltage Protection, relay when energy-storage battery charges Normally-closed contact is closed.Deng energy-storage battery two ends electricity be full of after, i.e. the voltage at energy-storage battery two ends reaches requirement, now voltage stabilizing Pipe is turned on, and the base stage of IGCT obtains electric so that energy-storage battery loop obtains electric, the actuating of relay, and normally-closed contact is opened, so as to charge Loop just disconnects with energy-storage battery loop.
Fig. 6 is energy-storage battery figure, and it employs the lithium battery series connection of 4 sections 18650, and the rated voltage per batteries is U= 3.6V, capacity is 2000mA.It is for storing the electricity that the electricity and external power supply that photovoltaic cell is sent are filled with.
Fig. 7 is reduction voltage loop circuit diagram, circuit dutycycle D=29.8%, switching frequency f=10kHz, and output resistance is 10 Ω, ripple voltage is 0.2%, inductance L2=3.51 × 10-4H, electric capacity C4=1 × 10-3F.Will by Buck reduction voltage circuits The 16.8V that energy-storage battery comes out is changed into 5V electron equipment charges.
Fig. 8 is that mobile phone tail is inserted and USB interface pin, and it inserts with mobile phone tail for USB pins and is connected collocation between the two.

Claims (5)

1. a kind of portable type solar recharging knapsack, it is characterised in that polylith photovoltaic panel is fitted together, is laid on the table of knapsack Face, the electricity that knapsack surface polylith photovoltaic panel receives illumination generation is exported by photovoltaic cell, is passed sequentially through loop of voltage regulation, is boosted back Energy-storage battery and reduction voltage loop that road, voltage cut-off loop, multiple batteries are connected into, obtain stablizing 5V voltages and are inserted to tail, are electricity Sub- product charging.
2. portable type solar recharging knapsack according to claim 1, it is characterised in that the boosting loop input has outer Connect power interface.
3. portable type solar recharging knapsack according to claim 1, it is characterised in that the photovoltaic cell output voltage warp Cross after loop of voltage regulation voltage stabilizing, the charging voltage of energy-storage battery needs is risen to by loop of boosting, give energy-storage battery charging.
4. portable type solar recharging knapsack according to claim 2, it is characterised in that the boosting loop and energy-storage battery Between have a voltage cut-off loop, voltage cut-off loop includes relay, triode and voltage-stabiliser tube, relay coil and triode collection Energy-storage battery two ends are connected in parallel on after electrode and emitter stage series connection, transistor base connects energy-storage battery positive pole, relay by voltage-stabiliser tube The normally closed switch of device is connected between the output of boosting loop and energy-storage battery.
5. portable type solar recharging knapsack according to claim 1, it is characterised in that the reduction voltage loop is Buck decompressions Circuit, 5V is down to by energy-storage battery output voltage, is electronic product charging.
CN201621377628.4U 2016-12-15 2016-12-15 Portable type solar recharging knapsack Expired - Fee Related CN206442169U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201621377628.4U CN206442169U (en) 2016-12-15 2016-12-15 Portable type solar recharging knapsack

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201621377628.4U CN206442169U (en) 2016-12-15 2016-12-15 Portable type solar recharging knapsack

Publications (1)

Publication Number Publication Date
CN206442169U true CN206442169U (en) 2017-08-25

Family

ID=59647078

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201621377628.4U Expired - Fee Related CN206442169U (en) 2016-12-15 2016-12-15 Portable type solar recharging knapsack

Country Status (1)

Country Link
CN (1) CN206442169U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111146857A (en) * 2019-12-04 2020-05-12 万晖五金(深圳)有限公司 Control system and control method
CN112952938A (en) * 2021-02-09 2021-06-11 广东电网有限责任公司广州供电局 Emergency charging device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111146857A (en) * 2019-12-04 2020-05-12 万晖五金(深圳)有限公司 Control system and control method
CN111146857B (en) * 2019-12-04 2022-04-12 万晖五金(深圳)有限公司 Control system and control method
CN112952938A (en) * 2021-02-09 2021-06-11 广东电网有限责任公司广州供电局 Emergency charging device

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Date Code Title Description
GR01 Patent grant
GR01 Patent grant
TR01 Transfer of patent right

Effective date of registration: 20180727

Address after: 225264 No. 4, Shazhen Road, Zhenwu Town, Jiangdu District, Yangzhou, Jiangsu

Patentee after: Yucheng Electric Appliance Co., Ltd.

Address before: 200090 Pingliang Road, Yangpu District, Yangpu District, Shanghai

Patentee before: Shanghai University of Electric Power

TR01 Transfer of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20170825

Termination date: 20191215

CF01 Termination of patent right due to non-payment of annual fee