CN202149374U - Portable multifunctional power supply and illuminator - Google Patents
Portable multifunctional power supply and illuminator Download PDFInfo
- Publication number
- CN202149374U CN202149374U CN201120207027U CN201120207027U CN202149374U CN 202149374 U CN202149374 U CN 202149374U CN 201120207027 U CN201120207027 U CN 201120207027U CN 201120207027 U CN201120207027 U CN 201120207027U CN 202149374 U CN202149374 U CN 202149374U
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- module
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- circuit
- temperature difference
- power supply
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Abstract
The utility model discloses a portable multifunctional power supply and illuminator and relates to a power supply. The utility model provides a portable multifunctional power supply and illuminator which is small and convenient, has illuminating and charging functions and is mainly applicable to outdoor activities and emergency disaster relief work when the commercial power is difficultly supplied. The portable multifunctional power supply and illuminator is provided with a DC (Direct Current) generating module, a voltage-stabilizing and energy-storage module, a voltage boosting and converting module, an interface module and an LED lamp; the DC generating module is provided with a hand-cranked generating module, a solar generating module, a semiconductor temperature difference generating module and a commercial USB port charger; the voltage-stabilizing and energy-storage module is provided with a voltage stabilizing circuit and a lithium battery; the voltage boosting and converting module is provided with a boosting circuit and a voltage grading circuit; the hand-cranked generating module is provided with a DC generator, a gear speed-changing box and a crank; and the semiconductor temperature difference generating module is provided with a vacuum cup, a semiconductor temperature difference plate, a radiator and a lock catch.
Description
Technical field
The utility model relates to a kind of power supply, especially relates to a kind of portable multi-function power supply and luminaire with illumination functions.
Background technology
Solar energy power generating and semiconductor temperature differential generating technology have obtained large development, and commercialization.Daily work, study, the life of various small-sized electronic products such as MP3, MP4, mobile phone, digital camera, notebook computer etc. and people is closely related.Yet the movable in the open air and disaster relief is met an urgent need when using, and these electronic products usually are faced with the problem of electric energy supply in time, need a kind of device that emergent charging and illumination can be provided in this case for this reason.
Along with the development of solar energy power generating and semiconductor temperature differential generating technology, solar panel can produce electric energy in the region than intense light irradiation, and the required cold and hot end condition of thermo-electric generation realizes in daily life easily.In addition, the condition of the hand power of employing cutting magnetic line is not only simple, but also not limited by time and region.
Summary of the invention
The purpose of the utility model be to provide a kind of small-sized, convenient, have illumination and charge function concurrently, mainly be applicable to the portable multi-function power supply and the luminaire of the outdoor sports and the emergency disaster relief that are difficult for providing civil power.
The utility model is provided with direct current generation module, voltage stabilizing accumulation of energy module, boost conversion module, interface module and LED lamp, and said direct current generation module is provided with hand power module, solar electrical energy generation module, semi-conductor thermo-electric generation module and civil power USB mouth charger; Said voltage stabilizing accumulation of energy module is provided with mu balanced circuit and lithium battery; Said boost conversion module is provided with booster circuit and voltage stepping circuit; The output of hand power module, solar electrical energy generation module, semi-conductor thermo-electric generation module and civil power USB mouth charger connects the mu balanced circuit input of voltage stabilizing accumulation of energy module respectively; The output of mu balanced circuit connects the booster circuit input of lithium battery and boost conversion module respectively; Booster circuit output termination voltage stepping circuit input end, the output connection interface module of voltage stepping circuit; Lithium battery connects the LED lamp; Said hand power module is provided with dc generator, speed-changing gear box and crank, and said speed-changing gear box is connected with dc generator, and crank is located on the speed-changing gear box; Said semi-conductor thermo-electric generation module is provided with thermos cup, semiconductor temperature difference sheet and radiator, and the hot junction face of semiconductor temperature difference sheet is close to the thermos cup bottom, and the cold junction face of semiconductor temperature difference sheet is close to the radiator back side.
The hot junction face of said semiconductor temperature difference sheet and thermos cup bottom contact portion can be filled heat conductive silica gel; The cold junction face and the radiator contact portion of said semiconductor temperature difference sheet can be filled heat conductive silica gel; Thermos cup and radiator can be locked with snap close, with the hot junction face that guarantees semiconductor temperature difference sheet excellent contact bottom thermos cup, between cold junction face and the radiator.During use, only need to place cold water can form the temperature difference in radiator simultaneously as thermal source the generation electric energy with institute's hot water of being contained in the thermos cup.
Because the utility model is provided with portable multi-function power supply and LED illuminating lamp; And the portable multi-function power supply has solar energy power generating, semiconductor temperature differential generating, hand power and 4 kinds of patterns of mains-supplied; Wherein solar energy power generating utilizes electrooptical device that luminous energy is converted into electric energy; Semi-conductor thermo-electric generation module utilizes the thermo-electric generation between thermal source and the low-temperature receiver; Hand power is to adopt hand coil cutting magnetic line to realize that mechanical energy is converted into electric energy; Mains-supplied is to utilize public electric wire net to realize transformation and rectification, so the advantage of the utility model and characteristic be functions such as generating, electric power storage, charging, illumination are integrated in one, has realized the mutual supplement with each other's advantages of power generation modes such as solar energy, hand, semiconductor temperature difference, civil power; Can be small electric apparatus chargings such as MP3, MP4, mobile phone, digital camera, notebook computer, and LED is provided illumination.The present invention complies with the demand of energy-conserving and environment-protective and disaster emergency, and integrated 4 kinds of power supply characteristics realize whenever and wherever possible, uninterrupted power supply; Have simultaneously that volume is little, capacity is big, the high and low maintenance cost of power ratio, the life-span is long, maintenance rate is low, easy to use and advantage such as be easy to carry.
Description of drawings
Fig. 1 is the structure composition frame chart of the utility model embodiment.
Fig. 2 is that the hand power modular construction of the utility model embodiment is formed sketch map.
Fig. 3 is that the thermo-electric generation modular construction of the utility model embodiment is formed sketch map.
Fig. 4 forms sketch map for the structure of looking up of Fig. 3.
Fig. 5 is the mu balanced circuit schematic diagram of the utility model embodiment.
Fig. 6 is output as the booster circuit schematic diagram of 5.5V for the utility model embodiment.
Fig. 7 is the booster voltage stepping circuit theory diagrams of the utility model embodiment.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is done detailed introduction.
Referring to Fig. 1～4; The utility model embodiment is provided with direct current generation module 1, voltage stabilizing accumulation of energy module 2, boost conversion module 3, interface module 4 and LED lamp 5, and said direct current generation module 1 is provided with hand power module 11, solar electrical energy generation module 12, semi-conductor thermo-electric generation module 13 and civil power USB mouth charger 14; Said voltage stabilizing accumulation of energy module 2 is provided with mu balanced circuit 21 and lithium battery 22; Said boost conversion module 3 is provided with booster circuit 31 and voltage stepping circuit 32; The output of hand power module 11, solar electrical energy generation module 12, semi-conductor thermo-electric generation module 13 and civil power USB mouth charger 14 connects mu balanced circuit 21 inputs of voltage stabilizing accumulation of energy module 2 respectively; The output of mu balanced circuit 21 connects booster circuit 31 inputs of lithium battery 22 and boost conversion module 3 respectively; Booster circuit 31 output termination voltage stepping circuit 32 inputs, the output connection interface module 4 of voltage stepping circuit 32; Lithium battery 22 connects LED lamp 5.Said hand power module 11 is provided with dc generator 111, speed-changing gear box 112 and collapsible crank 113, and said speed-changing gear box 112 is connected with dc generator 111, and collapsible crank 113 is located on the speed-changing gear box 112.The workflow of hand power module is: with the acceleration through speed-changing gear box of the mechanical energy of human body output, for dc generator provides enough rotating speeds, produce electric energy through collapsible crank.The design of collapsible crank considered single unit system succinctly attractive in appearance, be easy to carry.Interface module 4 can be provided with USB interface and DC interface.
Said semi-conductor thermo-electric generation module 13 is provided with stainless steel thermos cup 131, semiconductor temperature difference sheet 132, aluminum cold junction radiator 133 and snap close 134; The hot junction face of semiconductor temperature difference sheet 132 is close to thermos cup 131 bottoms; The cold junction face of semiconductor temperature difference sheet 132 is close to radiator 133 back sides; And at the hot junction of semiconductor temperature difference sheet 132 face and thermos cup bottom contact portion filling heat conductive silica gel; Fill heat conductive silica gel at the cold junction face of semiconductor temperature difference sheet 132 and radiator contact portion, thermos cup and radiator are locked with snap close, excellent contact bottom the hot junction face and thermos cup that guarantee the semiconductor temperature difference sheet, between cold junction face and the radiator.During use, only need to place cold water can form the temperature difference in radiator simultaneously as thermal source the generation electric energy with institute's hot water of being contained in the thermos cup.
Fig. 5 is mu balanced circuit figure and is connected sketch map with peripheral module.This mu balanced circuit adopts voltage-stabiliser tube and NPN type triode to form voltage stabilizing output and counter to fill protection.When the input terminal voltage of mu balanced circuit during greater than certain value, triode conducting, output voltage is U
Out=U
Ref-U
BE(U wherein
RefVoltage stabilizing value for voltage-stabiliser tube), the voltage stabilizing value of concrete voltage-stabiliser tube can be selected for use according to actual needs.Can adopt the lithium battery of 3.8V in the device, the charging pressure limiting is 4.3V, general silicon triode U
BE=0.5～0.7V thereby voltage-stabiliser tube ZD1 adopt the voltage-stabiliser tube of 5.1V.In order to let hand power export 5.5V voltage with USB degree of lip-rounding formula separately, then voltage-stabiliser tube ZD2 selects the voltage-stabiliser tube of 6.2V.In addition, at input and meet electrochemical capacitor C1 and C2 is in order to slow down input voltage instability and fluctuation problem.
Be independent of each other in order to guarantee that direct current produces between each functional module; And prevent that built-in lithium battery from forming counter filling to these modules; Isolate connection at solar energy power generating, thermo-electric generation, line charger input serial connection Schottky diode (Schottky diode is littler than general-purpose diode pressure drop), can adopt the IN5819 type.Left hand and right hand user's different customs for ease, dc generator carries out the polarity of voltage locking and is connected with the isolation of circuit through full formula rectifier bridge D4, under the situation that dc generator M rotates forward or backwards, can both realize circuit supply.Switch S 1 is to be used to realize that hand power is in the switching that lithium cell charging and direct externally output are selected.
Because present many small electric apparatus all adopt the 5.5V power supply, therefore mainly be divided into the 5.5V booster circuit and set forth with other booster voltage stepping circuit two parts in the boost conversion module:
Because USB mouth 5.5V charging voltage utilization rate is higher, possibly produce the problem that voltage descends after considering to insert load, therefore in boost module, use the BAU72 type three ends integrated circuit that boosts separately, form the 5.5V circuit.Its minimum input voltage is 0.9V, and fixedly output voltage is 5.5V ± 2%.Transformation efficiency is up to 85%.In the utility model, the circuit input voltage is directly from built-in lithium battery E, and output is connected to the output port part.
The BAU72 type is the DC/DC converter ic of voltage-type PFM control model.Its inside comprises output voltage feedback and corrective networks, start-up circuit, oscillating circuit, reference voltage circuit, pulse wave frequency modulating (PFM) control circuit, overcurrent protection and power tube.The PFM control circuit is a core, controls the on off state of power tube according to input voltage signal, load signal and current signal, thereby realizes the output of control circuit constant voltage.In PFM control system; Oscillating circuit provides benchmark frequency of oscillation and fixed pulse width, and reference voltage circuit provides reference voltage, according to the ratio and the loading condition of input and output voltage; Be adjusted in the ON time of unit interval internal power pipe through pulse, to realize the stable of output voltage.The simultaneously inner correction technique that adopts, guarantee the output voltage precision reach ± 2%.The error amplifier of high-gain has guaranteed stable output voltage under different input voltages and different loads current conditions.As shown in Figure 6, this circuit structure is simple, exports stable characteristics.Peripheral 1 power inductance L1,1 Schottky diode D5 (adopting Schottky diode IN5819 in this device), 1 boost capacitor C4 of only needing can constitute booster circuit.In addition, C3 electric capacity is the input filter capacitor of this circuit, plays stable input.
Fig. 7 is the booster voltage stepping circuit that is higher than 5.5V.This circuit has mainly adopted MC34063ADC conversion chip, and its input voltage range is 3～40V, and output voltage stabilization is V
Out=V
Ref(1+R
b/ R
a) (V
Ref=1.25V).In this device, select different Rb (Rb1, Rb2, Rb3, Rb4 with S2 selector switch stepping ...), select 6V, 9V, 12V, the output of 18V fourth gear through the resistance size of regulating Rb, to reach the purpose of the different shelves of output voltage.
Below be that this booster voltage stepping circuit specifies:
MC34063A is a DC/DC conversion control chip, be aim at step-down, boost and paraphase use design.The dc switching power supply circuit diagram of its form of boosting is as shown in Figure 7.There is the reference voltage source (V of band temperature-compensating its inside
Ref=1.25V), the dutycycle controlled oscillator (upper limiting frequency 100kHz) of band exciting current restriction, rest-set flip-flop, comparator, transistor driver circuit and and big electric current output switching tube, peak point current can reach the transistor of 1.5A.Has short-circuit protection, functions such as low quiescent current, soft start, under-voltage locking, mistake flow restriction and heat shutoff.Dc switching power supply as shown in Figure 6 only needs external 9 components and parts just can form an output V
Out=V
Ref(1+R
b/ R
a) (V
Ref=1.25V) direct current boosting power.Ci is the filter capacitor of direct current input, and Rsc is the peak point current sampling resistor, and R is built-in driving tube biasing resistor; L2 is a power inductance, and IN5819 is a Schottky diode, and Co is the filter capacitor of output voltage; The timing capacitor of the built-in oscillator of Ct, Ra and Rb are divider resistance decision output voltages.
In the output interface part, the charging power supply interface of most of small-sized electrical appliance is the USB mouth at present, like MP3, MP4, mobile phone etc.In addition, also have some electrical appliances such as digital camera, notebook computer etc. to adopt other interface.For this reason, the utility model adopts USB and two kinds of output interfaces of the general DC of 5.5mm, to adapt to the not requirement of electrical appliance of the same race.
Claims (3)
1. portable multi-function power supply and luminaire is characterized in that being provided with direct current generation module, voltage stabilizing accumulation of energy module, boost conversion module, interface module and LED lamp; Said direct current generation module is provided with hand power module, solar electrical energy generation module, semi-conductor thermo-electric generation module and civil power USB mouth charger; Said voltage stabilizing accumulation of energy module is provided with mu balanced circuit and lithium battery; Said boost conversion module is provided with booster circuit and voltage stepping circuit; The output of hand power module, solar electrical energy generation module, semi-conductor thermo-electric generation module and civil power USB mouth charger connects the mu balanced circuit input of voltage stabilizing accumulation of energy module respectively; The output of mu balanced circuit connects the booster circuit input of lithium battery and boost conversion module respectively; Booster circuit output termination voltage stepping circuit input end, the output connection interface module of voltage stepping circuit; Lithium battery connects the LED lamp; Said hand power module is provided with dc generator, speed-changing gear box and crank, and said speed-changing gear box is connected with dc generator, and crank is located on the speed-changing gear box; Said semi-conductor thermo-electric generation module is provided with thermos cup, semiconductor temperature difference sheet and radiator, and the hot junction face of semiconductor temperature difference sheet is close to the thermos cup bottom, and the cold junction face of semiconductor temperature difference sheet is close to the radiator back side.
2. portable multi-function power supply as claimed in claim 1 and luminaire; The hot junction face and the thermos cup bottom contact portion that it is characterized in that said semiconductor temperature difference sheet are filled heat conductive silica gel, and the cold junction face of said semiconductor temperature difference sheet and radiator contact portion are filled heat conductive silica gel.
3. portable multi-function power supply as claimed in claim 1 and luminaire is characterized in that said thermos cup and radiator lock with snap close.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120207027U CN202149374U (en) | 2011-06-17 | 2011-06-17 | Portable multifunctional power supply and illuminator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120207027U CN202149374U (en) | 2011-06-17 | 2011-06-17 | Portable multifunctional power supply and illuminator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202149374U true CN202149374U (en) | 2012-02-22 |
Family
ID=45590433
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120207027U Expired - Fee Related CN202149374U (en) | 2011-06-17 | 2011-06-17 | Portable multifunctional power supply and illuminator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202149374U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103272346A (en) * | 2013-05-03 | 2013-09-04 | 刘书杰 | Emergency meeting disaster prevention self-rescue box |
| CN103712086A (en) * | 2012-09-28 | 2014-04-09 | 深圳市圣迪能科技有限公司 | Multifunctional disaster-prevention light |
| CN104198908A (en) * | 2014-09-12 | 2014-12-10 | 江南大学 | Instrument for experiment on features of semiconductor thermoelectric power generating module |
| CN104208730A (en) * | 2014-09-29 | 2014-12-17 | 浙江大学 | Portable napkin paper sterilizing box based on thermoelectric power generation |
| CN104852417A (en) * | 2014-12-05 | 2015-08-19 | 重庆希诺达通信有限公司 | Portable multifunctional charger |
| CN106102213A (en) * | 2016-06-12 | 2016-11-09 | 江苏工程职业技术学院 | A kind of solar energy garden lamp and control method thereof |
| CN109448347A (en) * | 2018-10-16 | 2019-03-08 | 江苏万邦微电子有限公司 | A kind of security device based on low-power consumption |
-
2011
- 2011-06-17 CN CN201120207027U patent/CN202149374U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103712086A (en) * | 2012-09-28 | 2014-04-09 | 深圳市圣迪能科技有限公司 | Multifunctional disaster-prevention light |
| CN103272346A (en) * | 2013-05-03 | 2013-09-04 | 刘书杰 | Emergency meeting disaster prevention self-rescue box |
| CN103272346B (en) * | 2013-05-03 | 2016-04-27 | 刘书杰 | Emergency and disaster prevention is saved oneself case |
| CN104198908A (en) * | 2014-09-12 | 2014-12-10 | 江南大学 | Instrument for experiment on features of semiconductor thermoelectric power generating module |
| CN104208730A (en) * | 2014-09-29 | 2014-12-17 | 浙江大学 | Portable napkin paper sterilizing box based on thermoelectric power generation |
| CN104852417A (en) * | 2014-12-05 | 2015-08-19 | 重庆希诺达通信有限公司 | Portable multifunctional charger |
| CN104852417B (en) * | 2014-12-05 | 2017-02-22 | 重庆希诺达通信有限公司 | Portable multifunctional charger |
| CN106102213A (en) * | 2016-06-12 | 2016-11-09 | 江苏工程职业技术学院 | A kind of solar energy garden lamp and control method thereof |
| CN109448347A (en) * | 2018-10-16 | 2019-03-08 | 江苏万邦微电子有限公司 | A kind of security device based on low-power consumption |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120222 Termination date: 20190617 |