CN103138352A - Portable solar router - Google Patents
Portable solar router Download PDFInfo
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- CN103138352A CN103138352A CN201310092088XA CN201310092088A CN103138352A CN 103138352 A CN103138352 A CN 103138352A CN 201310092088X A CN201310092088X A CN 201310092088XA CN 201310092088 A CN201310092088 A CN 201310092088A CN 103138352 A CN103138352 A CN 103138352A
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Abstract
The invention provides a portable solar router which comprises a storage battery, a storage battery charging circuit, a central processing unit (CPU) system, a third generation telecommunication (3G) module, a wireless fidelity (WiFi) module and a solar battery. The storage battery is used for supplying power for a 3G router. The solar battery is arranged on the outer surface of an outer shell of the 3G router. The storage battery charging circuit comprises a solar charging circuit and a charging management circuit, and the solar charging circuit is used for utilizing the solar battery to charge the storage battery. The novel 3G router is capable of achieving two charging modes of solar charging on the 3G router and external charging. Solar charging can be carried out anywhere at any time and is free from influence of light rays indoors and outdoors. The portable solar router can achieve external charging in any place with a charging site so as to achieve quick charging of equipment.
Description
Technical field
The present invention relates to the electric supply installation field of router, particularly a kind of solar cell and civil power dual mode of adopting is the portable type solar energy router of charge in batteries.
Background technology
Portable router is a kind of WiFi equipment with the 3G function, it have lightly be easy to carry, the functional characteristics such as flexible networking whenever and wherever possible, be the necessary article that the business people goes on business, travels.Portable set has common characteristics, needs exactly to charge the battery.Be subjected to the restriction of equipment own vol due to battery sizes, battery capacity all can not be accomplished very large.The 3G router that general battery capacity is 1500mA/h runs full-service can be with 4 hours, and stand-by time is no more than 10 hours.Generally all need a fixing place for equipment charge, and solar recharging does not just need to be subject to this constraint.
Solar energy is inexhaustible, nexhaustible clean energy resource, and solar power generation is very welcome new technology at present.Solar cell has monocrystalline silicon battery, polycrystal silicon cell and amorphous silicon film battery at present.It is high that monocrystalline silicon battery has a battery conversion efficiency, good stability, but cost is higher; It is high that amorphous silicon film solar battery has production efficiency, with low cost, but conversion efficiency is lower, and efficient decays than very fast; Polysilicon solar cell has the efficient of stable conversion, and the ratio of performance to price is the highest.Charging is most suitable to portable router with polysilicon solar cell.
Shortcoming with solar recharging is that the solar panel volume is very large, and energy output is subject to the restriction of sunlight.Solar panel (or battery) is comprised of the solar units of one or more series and parallels.A solar units produces the voltage of 0.7V, and this voltage is subject to the impact of light intensity and irradiating angle.Portable router is subjected to volume restrictions, and the solar units area can not be large, so the charge efficiency of solar energy is vital.
As router because volume is little, its exterior surface area is limited, at present, if the outer surface of outer cover of whole router is all sticked solar panel, can not produce effective for router the electric current of storage battery (rechargeable battery) charging, therefore, also there is no to adopt the solar energy router that the charging of solar panel power supply storage battery is installed at the router cover outer surface at present.
Summary of the invention
The purpose of this invention is to provide a kind of portable type solar energy router that the charging of solar panel power supply storage battery is installed at the router cover outer surface.
Technical scheme of the present invention is: a kind of portable type solar energy router is included as storage battery, battery charging circuit that router is powered, cpu system, 3G module and WiFi module; Comprising also that the solar cell that is arranged on the router cover outer surface, described battery charging circuit comprise utilizes solar cell to be solar charging circuit and the charge management circuit of charge in batteries; Described solar charging circuit is connected with described solar cell, comprise the small energy pick-up circuit of solar energy, the input of the small energy pick-up circuit of described solar energy is connected with described solar cell, the direct voltage that output produces 5V is connected with described charge management circuit, and described charge management circuit receives the 5V direct voltage and described storage battery is connected to charge in batteries.
Further, in above-mentioned portable type solar energy router: the small energy pick-up circuit of described solar energy comprises that model is the boost converter of BQ25504;
The output of Vin_dc termination solar cell described boost converter) is provided with between the line of Vin_dc end and the output of solar cell and ground and inputs battery C1;
Also be provided with divider resistance R1 and the divider resistance R2 of series winding between Vin_dc end and ground; Connect the Voc_samp end of boost converter between divider resistance R1 and divider resistance R2; The Vref_samp of boost converter is by capacitor C 3 ground connection;
Be connected with the boost conversion inductance at the Vin_dc of boost converter end and Lbst end;
At the temporary lithium battery of the Vbat of boost converter termination;
Pass through output capacitance C2 ground connection at the 5V of boost converter output.
Further, in above-mentioned portable type solar energy router: described charge management circuit comprises that model is the charging management chip of BQ24166, an input USB of described charging management chip connects the 5V output of the boost converter of the small energy pick-up circuit of described solar energy, its output SW meets buck inductor LB, buck inductor LB produces the output of 4.2V direct current by filter capacitor C4 ground connection;
In described 4.2V direct current output access charging management chip, connect the storage battery of powering into the 3G router from the output of BAT pin.
Further, in above-mentioned portable type solar energy router: another input of described charging management chip IN connects the output of line charger.
Further, in above-mentioned portable type solar energy router: described 4.2V direct current output produces 3.3V, 2.5V, 1V and 4.2V by the DC/DC transducer.
Further, in above-mentioned portable type solar energy router: the SOC chip that described cpu system model is RTL8196D and connected DDR1, Flash.
Further, in above-mentioned portable type solar energy router: described WiFi module comprises that model is the WiFi chip of RTL8188ER, built-in 2.4G WiFi antenna, and described WiFi chip is connected with cpu system by the PCIE interface.
Further, in above-mentioned portable type solar energy router: described 3G module comprises that model is that the 3G chip of QSC6085 is connected by usb bus with cpu system, and SIM card is by described 3G module controls, 3G built-in antenna.
The present invention has designed a kind of new 3G router, and it can be realized from body solar recharging and two kinds of charging modes of external charging.Solar recharging is not subjected to impact indoor, outdoor light whenever and wherever possible; External charging can be realized the quick charge of equipment in the place that the place of charging is arranged.
The solar charging circuit conversion efficiency is high by 80%, starts operating voltage and is low to moderate 310mW; After startup work, pick up solar energy u watt level and still can work.
The 3G router of the present invention design has Highgrade integration: solar recharging and 3G router is integrated in one, and veneer PCB is integrated solar charging circuit, 3G and WiFi circuit system.Volume only has hand size, accomplish light, be easy to carry.
Below in conjunction with specific embodiment, the present invention is done comparatively detailed description.
Description of drawings
Fig. 1 is router complete machine schematic diagram of the present invention.
Fig. 2 is route system circuit function block diagram of the present invention.
Fig. 3 is the small energy pick-up circuit schematic diagram of router solar energy of the present invention.
Fig. 4 is router sun-generated electric power charge management circuit schematic diagram of the present invention.
Fig. 5 is router main system circuit block diagram of the present invention.
Embodiment
In the present embodiment:
Solar panel 1: carry out opto-electronic conversion, provide energy to system.
SIM card interface 2: the user inserts SIM card or UIM card, by 3G WCDMA, CDMA2000, the online of TD-SCDMA network high-speed.
RJ45 Ethernet interface 5: cable access network is provided, can be configured to WAN mouth or LAN mouth by software.
USB interface 4: power interface, connect a USB patchcord, can realize that notebook or power supply adaptor are to power devices.
Be the circuit system function diagram of the present embodiment as shown in Figure 2, this circuit system is comprised of three modules and control switch.Module 1 realizes solar recharging; Module 2 realizes the power management of external power source and solar recharging; Module 3 realizes WiFi and 3G systemic-function.
In the present embodiment, module 1 mainly is made of solar cell, boost charge circuit and store electrical energy element lithium battery.Designed solar battery panel size is 10cm*6cm, is formed by 4 battery cell series and parallel.Each battery cell produces approximately 0.5V of direct voltage, and electric current 20mA～25mA/cm2, whole solar cell can provide the approximately power energy of 60mW.As shown in Figure 1.
Designed boost charge circuit has utmost point low quiescent current and surpasses 80% high conversion efficiency, and 330mV cold start-up voltage makes that charging circuit also can start work under low luminous intensity.Fig. 3 is solar recharging module main circuit.U1 is boost converter IC BQ25504.
Lbst is the boost conversion inductance, and C1, C2 are input, output capacitance.U1 BQ25504 has MPPT maximum power point tracking MPPT technology, optimizes the energy from solar energy collecting.By the ratio of resistance R 1, R2 is set, the best power collection point can be set.To solar cell, be 80% by the experimental test Best Point, be namely reference voltage Vref is set is 80% of solar cell open circuit voltage Vocv.Capacitor C 3 has been the effects that keep Vref, and BQ25504 upgrades the sampling reference voltage Vref every 16s.
U1 BQ25504 Pin pin Vbat connects the energy-storage travelling wave tube lithium battery, and the lithium electromagnetism that this lithium electromagnetism is a kind of temporary energy is called temporary lithium electromagnetism, and pin Vstor output connects load.Manage connection by FET between them.By arranging, monitoring under-voltage and overpressure value, can realize protecting the overshoot of lithium battery and cross and put.Temporary lithium battery adopts the lighium polymer material, can accomplish arbitrary shape and reduce costs, and capacity is 600mAH.
The power source charges management circuit as shown in Figure 4, its purpose is the intelligent management of realizing from body solar recharging and two kinds of charging modes of external power source charging.When external power supply not, it is exactly solar recharging always.When external power supply, when the solar recharging energy storage continued, external power supply also can charge the battery, and can also directly give system power supply simultaneously.As shown in Figure 4, chip U2 BQ24166 has the binary channels input, connects respectively solar energy module output and USB power supply.The solar energy module output current is limited in 100mA, and the USB source current is limited in 1A.When U2 being set the dual input power supply being arranged at the same time, preferably with pin IN input.Lb is buck inductor, lithium ion battery output 4.2V voltage, and capacity is 1600mAH.
Power control switch is soft switch, and the circuit that is comprised of two d type flip flops forms power control signal, realizes battery to the cut-out of system power supply and opens and control.
WiFi, 3G function system:
For making more power saving of system, integration of compact more, system hardware selects the higher power supply IC of conversion efficiency, system-level SoC single-chip to complete.3G, WiFi function system main circuit framework are as shown in Figure 5.
To system power supply, 4.2V becomes 3.3V, 2.5V and 1V through the DC/DC transducer to rechargeable battery by control switch; 4.2V directly gives the 3G module for power supply simultaneously.
SoC chip RTL8196D and Flash, DDR1 form a little cpu system, realize management, the control function of data.RTL8188ER is the WiFi chip, and it can realize the 11b/g/n speed of the highest 150Mbps; Be connected with CPU RTL8196D by the PCIE interface.2.4G WiFi built-in antenna.
The inner integrated 100,000,000 PHY functions of RTL8196D, external transformer, RJ45 can realize 10M/100M wire transmission speed.RTL8196D meets the EEE standard, has the Ethernet arousal function, and this makes it that lower power consumption be arranged.
The module interface of 3G module and RTL8196D is the PCIE interface, and actual cabling is usb bus.The 3G module of switching different systems can make it use in different 3G networks, and SIM card is by the 3G module controls.The 3G antenna is also built-in.
The present invention has designed a kind of new 3G router, and it has three innovative points:
It can be realized from body solar recharging and two kinds of charging modes of external charging.Solar recharging is not subjected to impact indoor, outdoor light whenever and wherever possible; External charging can be realized the quick charge of equipment in the place that the place of charging is arranged.
The solar charging circuit conversion efficiency starts operating voltage and is low to moderate 310mW up to more than 80%; After startup work, pick up solar voltage and be low to moderate 80mV and still can work.
Solar recharging and 3G router are integrated in one, integrated solar recharging, 3G, WiFi and wired ethernet function, volume only has hand size, also claims " pocket " solar energy 3G router.
The present embodiment has designed a kind of new Portable 3 G router, and it can be realized from body solar recharging and two kinds of charging modes of external charging.Solar recharging is not subjected to impact indoor, outdoor light whenever and wherever possible; External charging can be realized the quick charge of equipment in the place that the place of charging is arranged.Designed solar charging circuit has high conversion efficiency and the startup ability to work under the low light level.The Portable 3 G router of design is integrated in one solar recharging and 3G router, integrated solar recharging, 3G, WiFi and wired ethernet function, and volume only has hand size, has created a kind of new product form.
Claims (8)
1. a portable type solar energy router, be included as storage battery, battery charging circuit that router is powered, cpu system, 3G module and WiFi module; It is characterized in that: comprising also that the solar cell that is arranged on the router cover outer surface, described battery charging circuit comprise utilizes solar cell to be solar charging circuit and the charge management circuit of charge in batteries; Described solar charging circuit is connected with described solar cell, comprise the small energy pick-up circuit of solar energy, the input of the small energy pick-up circuit of described solar energy is connected with described solar cell, the direct voltage that output produces 5V is connected with described charge management circuit, and described charge management circuit receives the 5V direct voltage and described storage battery is connected to charge in batteries.
2. portable type solar energy router according to claim 1, it is characterized in that: the small energy pick-up circuit of described solar energy comprises that model is the boost converter (U1) of BQ25504;
The output of the Vin_dc termination solar cell of described boost converter (U1) is provided with between the line of Vin_dc end and the output of solar cell and ground and inputs battery C1;
Also be provided with divider resistance R1 and the divider resistance R2 of series winding between Vin_dc end and ground; Connect the Voc_samp end of boost converter (U1) between divider resistance R1 and divider resistance R2; The Vref_samp of boost converter (U1) is by capacitor C 3 ground connection;
Be connected with the boost conversion inductance at the Vin_dc of boost converter (U1) end and Lbst end;
At the temporary lithium battery of the Vbat termination of boost converter (U1);
5V output at boost converter (U1) passes through output capacitance C2 ground connection.
3. portable type solar energy router according to claim 1, it is characterized in that: described charge management circuit comprises that model is the charging management chip (U2) of BQ24166, an input USB of described charging management chip (U2) connects the 5V output of the boost converter (U1) of the small energy pick-up circuit of described solar energy, its output SW meets buck inductor LB, buck inductor LB produces the output of 4.2V direct current by filter capacitor C4 ground connection;
In described 4.2V direct current output access charging management chip (U2), connect the storage battery of powering into the 3G router from the output of BAT pin.
4. portable type solar energy router according to claim 3, it is characterized in that: another input of described charging management chip (U2) IN connects the output of line charger.
5. portable type solar energy router according to claim 3 is characterized in that: described 4.2V direct current output produces 3.3V, 2.5V, 1V and 4.2V by the DC/DC transducer.
6. arbitrary described portable type solar energy router according to claim 1 to 5, is characterized in that: the SOC chip that described cpu system model is RTL8196D and connected DDR1, Flash.
7. portable type solar energy router according to claim 6, it is characterized in that: described WiFi module comprises that model is the WiFi chip of RTL8188ER, built-in 2.4G WiFi antenna, described WiFi chip is connected with cpu system by the PCIE interface.
8. portable type solar energy router according to claim 6 is characterized in that: described 3G module comprises that model is that the 3G chip of QSC6085 is connected by usb bus with cpu system, and SIM card is by described 3G module controls, 3G built-in antenna.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310092088.XA CN103138352B (en) | 2013-03-21 | 2013-03-21 | Portable solar router |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310092088.XA CN103138352B (en) | 2013-03-21 | 2013-03-21 | Portable solar router |
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| CN103138352A true CN103138352A (en) | 2013-06-05 |
| CN103138352B CN103138352B (en) | 2015-01-07 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103414236A (en) * | 2013-07-26 | 2013-11-27 | 西北工业大学 | Pico-satellite-borne power supply system based on low-power MCU |
| CN103648192A (en) * | 2013-12-12 | 2014-03-19 | 常州面包电子科技有限公司 | Wireless router with the integration of electronic self-help guide function |
| CN103795551A (en) * | 2014-03-11 | 2014-05-14 | 上海斐讯数据通信技术有限公司 | Energy-saving routing device |
| CN106357526A (en) * | 2016-10-31 | 2017-01-25 | 天津智艺通科技有限公司 | New-energy type gateway device |
| CN106385372A (en) * | 2016-09-07 | 2017-02-08 | 成都聚立汇信科技有限公司 | Portable router with storage battery |
| CN107180886A (en) * | 2017-03-29 | 2017-09-19 | 深圳市富友昌科技股份有限公司 | Photovoltaic power generation apparatus and wearing electronic equipment |
| WO2019095302A1 (en) * | 2017-11-17 | 2019-05-23 | 苏州点格信息科技有限公司 | Positioning tag powered by indoor light energy |
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| US20110260675A1 (en) * | 2010-04-22 | 2011-10-27 | Samsung Electronics Co. Ltd. | Apparatus and method for charging battery in a portable terminal with solar cell |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103414236A (en) * | 2013-07-26 | 2013-11-27 | 西北工业大学 | Pico-satellite-borne power supply system based on low-power MCU |
| CN103648192A (en) * | 2013-12-12 | 2014-03-19 | 常州面包电子科技有限公司 | Wireless router with the integration of electronic self-help guide function |
| CN103795551A (en) * | 2014-03-11 | 2014-05-14 | 上海斐讯数据通信技术有限公司 | Energy-saving routing device |
| CN103795551B (en) * | 2014-03-11 | 2018-09-28 | 上海斐讯数据通信技术有限公司 | A kind of energy-efficient routing equipment |
| CN106385372A (en) * | 2016-09-07 | 2017-02-08 | 成都聚立汇信科技有限公司 | Portable router with storage battery |
| CN106357526A (en) * | 2016-10-31 | 2017-01-25 | 天津智艺通科技有限公司 | New-energy type gateway device |
| CN107180886A (en) * | 2017-03-29 | 2017-09-19 | 深圳市富友昌科技股份有限公司 | Photovoltaic power generation apparatus and wearing electronic equipment |
| WO2019095302A1 (en) * | 2017-11-17 | 2019-05-23 | 苏州点格信息科技有限公司 | Positioning tag powered by indoor light energy |
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| Publication number | Publication date |
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| CN103138352B (en) | 2015-01-07 |
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