CN207354080U - A kind of solar energy phase transition energy storage thermo-electric generation flashlight - Google Patents

A kind of solar energy phase transition energy storage thermo-electric generation flashlight Download PDF

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Publication number
CN207354080U
CN207354080U CN201720237565.0U CN201720237565U CN207354080U CN 207354080 U CN207354080 U CN 207354080U CN 201720237565 U CN201720237565 U CN 201720237565U CN 207354080 U CN207354080 U CN 207354080U
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CN
China
Prior art keywords
tube
temperature differential
semiconductor temperature
differential generating
energy storage
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Withdrawn - After Issue
Application number
CN201720237565.0U
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Chinese (zh)
Inventor
郑焕培
王长宏
周遂迪
郑立程
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Guangdong University of Technology
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Guangdong University of Technology
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    • 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
    • Y02E10/40Solar thermal energy, e.g. solar towers

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  • Photovoltaic Devices (AREA)

Abstract

The utility model discloses a kind of solar energy phase transition energy storage thermo-electric generation flashlight, including light transmitting shell, U-shaped vacuum tube, phase variation, thermal insulation layer, semiconductor temperature differential generating piece, radiator and LED bulb, the U-shaped vacuum tube is sheathed in the light transmitting shell, the thermal insulation layer is arranged on the opening of the U-shaped vacuum tube, and thermal insulation layer is tightly connected with the U-shaped vacuum tube;The phase variation is filled in the U-shaped vacuum tube;The semiconductor temperature differential generating piece is arranged on the thermal insulation layer, and the hot junction face of the semiconductor temperature differential generating piece is contacted with the phase variation, and the cold end face of semiconductor temperature differential generating piece is contacted with the radiator;The LED bulb is connected with the power generation end of the semiconductor temperature differential generating piece.The utility model utilizes thermo-electric generation, the beneficial effect that use scope is wide, easy to use and environmentally protective.

Description

A kind of solar energy phase transition energy storage thermo-electric generation flashlight
Technical field
A kind of power generation flashlight is the utility model is related to, refers in particular to a kind of solar energy phase transition energy storage thermo-electric generation flashlight Cylinder.
Background technology
Flashlight is a kind of hand-held electronic illuminations.One typical flashlight generally includes outer for what is held Shell, and battery, light bulb and focusing mirror on shell.Early stage is using the flashlight of storage battery power supply due to storage battery Skill power reservoir capacity deficiency, flashlight can only maintain very of short duration lighting hours.
Flashlight now has evolved to forth generation, and flashlight, which uses, has bright strong, little power consumption and service life length LED light carry out luminous lighting.Present flashlight is usually using one-shot battery or rechargeable storage battery as energy source. Power reservoir capacity quickly can be scrapped and can not used down storage battery in use for some time, these disposable batteries or storage for scrapping Battery recycling and processing bother, and can cause environmental pollution.And when no electric energy can be that storage battery is charged outdoors, After the electric energy of storage battery is finished, then flashlight can not reuse, and great inconvenience is brought to outdoor user.
Utility model content
The purpose of this utility model is that thermo-electric generation, use scope are wide, use in view of the above-mentioned problems, offer one kind utilizes Convenient and environmentally protective solar energy phase transition energy storage thermo-electric generation flashlight.
The purpose of this utility model can be reached using following technical scheme:
A kind of solar energy phase transition energy storage thermo-electric generation flashlight, including it is light transmitting shell, U-shaped vacuum tube, phase variation, heat-insulated Layer, semiconductor temperature differential generating piece, radiator and LED bulb, the U-shaped vacuum tube are sheathed in the light transmitting shell, it is described every Thermosphere is arranged on the opening of the U-shaped vacuum tube, and thermal insulation layer is tightly connected with the U-shaped vacuum tube;The phase variation filling In in the U-shaped vacuum tube;The semiconductor temperature differential generating piece is arranged on the thermal insulation layer, the semiconductor temperature differential generating piece Hot junction face is contacted with the phase variation, and the cold end face of semiconductor temperature differential generating piece is contacted with the radiator;The LED bulb It is connected with the power generation end of the semiconductor temperature differential generating piece.
Further, the U-shaped vacuum tube includes the interior U-tube with translucency and outer U-tube, the interior U-tube set In the outer U-tube, and vacuum cavity is formed between the interior U-tube and outer U-tube;The phase variation is filled in described In interior U-tube.
As a preferred solution, the intermediate plate for being used for U-tube in fixed is equipped with the vacuum cavity.
As a preferred solution, through hole, the hot junction face of the semiconductor temperature differential generating piece are provided with the thermal insulation layer Contacted by through hole with the phase variation, the semiconductor temperature differential generating piece is tightly connected with the through hole.
As a preferred solution, the semiconductor temperature differential generating piece is nested in the through hole, and the semiconductor Thermoelectric generation film is tightly connected with the through hole.
As a preferred solution, the cold end face of the semiconductor temperature differential generating piece passes through heat conductive silica gel and the heat dissipation Device contacts.
As a preferred solution, the outer surface of the interior U-tube is equipped with heat absorbing coating.
As a preferred solution, electric heating body is equipped with the U-shaped vacuum tube, the light transmitting shell is equipped with as institute State the outlet of electric heating body power supply.
As a preferred solution, the electric heating body is arranged in the phase transformation body and is contacted with phase variation.
As a preferred solution, the electric heating body is Electrothermic wire or electric heating tube.
Implement the utility model, have the advantages that:
1st, when there is sunlight, sunlight is mapped on U-shaped vacuum tube the utility model through light transmitting shell, and the heat of generation is by U Type vacuum tube is absorbed and is delivered on phase variation, and heat is absorbed and stored by phase variation.When nighttime ambient temperature is relatively low, The hot junction face of the semiconductor temperature differential generating piece contacted with phase variation and the cold end face of the semiconductor temperature differential generating piece contacted with the external world With temperature difference, produced electricl energy according to Seebeck effect semiconductor temperature differential generating sector-meeting and powered for LED bulb.The flashlight uses Thermo-electric generation produces electricl energy, and service life length, is powered, energy conservation and environmental protection without using chemical cell, can non-transformer outdoors It is used continuously in the case of charging, it is easy to use.
2nd, the utility model interior U-tube and outer U-tube can use glass material to manufacture, to reach preferable translucency Energy.Outside sunlight injects vacuum cavity through light transmitting shell and outer U-tube successively, and since cavity is vacuum state, solar ray energy is straight It is mapped on the outer surface of interior U-tube so that the energy of sunlight can maximumlly be absorbed by interior U-tube and pass to phase variation, Improve the absorptivity to solar energy.
3rd, the utility model intermediate plate is elastic clip, and intermediate plate is V-structure.Intermediate plate is arranged on the bottom of outer U-tube, its The both ends top pressure that is open is in the inner wall of outer U-tube.The inner side of U-tube in the inside of the bottom insertion v-shaped cavity of interior U-tube and top pressure Face.Under the resilient force of intermediate plate, interior U-tube is fixed on by top pressure on intermediate plate, simple in structure.When mounted, only need by Interior U-shaped bottom is sheathed in the v-shaped cavity of intermediate plate and is pushed into together with intermediate plate from the mouth of pipe of outer U-tube, you can is rapidly completed The installation of internal U-tube, installation is quickly and conveniently.
4th, there is the occasion of power source charges, can be connected by outlet with power supply, powering for electric heating body, make heater Fever is directly heated for phase variation, is rapidly provided heat for phase variation and is stored on phase variation, is i.e. the hand of the utility model Torch can be generated electricity by absorbing the energy of sunlight, can also be generated electricity by power supply, use scope Extensively, versatility is high and easy to use.
Brief description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, drawings in the following description are only It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor Under, other attached drawings can also be obtained according to these attached drawings.
Fig. 1 is the first structure schematic diagram of the utility model solar energy phase transition energy storage thermo-electric generation flashlight;
Fig. 2 is the second structure diagram of the utility model solar energy phase transition energy storage thermo-electric generation flashlight.
Embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work All other embodiments obtained, shall fall within the protection scope of the present invention.
Embodiment
Referring to Figures 1 and 2, the present embodiment is related to flashlight, including light transmitting shell 1, U-shaped vacuum tube 2, phase variation 3, heat-insulated Layer 4, semiconductor temperature differential generating piece 5, radiator 6 and LED bulb 7, the U-shaped vacuum tube 2 are sheathed in the light transmitting shell 1, The thermal insulation layer 4 is arranged on the opening of the U-shaped vacuum tube 2, and thermal insulation layer 4 is tightly connected with the U-shaped vacuum tube 2;It is described Phase variation 3 is filled in the U-shaped vacuum tube 2;The semiconductor temperature differential generating piece 5 is arranged on the thermal insulation layer 4, described partly to lead The hot junction face of body thermoelectric generation film 5 is contacted with the phase variation 3, and the cold end face of semiconductor temperature differential generating piece 5 and the heat dissipation Device 6 contacts;The LED bulb 7 is connected with the power generation end of the semiconductor temperature differential generating piece 5.The thermal insulation layer 4 is foamed plastics Or heat-reflecting material.Thermal insulation layer 4 can prevent the heat energy dissipation being stored in phase variation 3, extend lighting hours.
When there is sunlight, sunlight is mapped on U-shaped vacuum tube 2 through light transmitting shell 1, and the heat of generation is inhaled by U-shaped vacuum tube 2 Receive and be delivered on phase variation 3, heat is absorbed and stored by phase variation 3.When nighttime ambient temperature is relatively low, with phase variation The hot junction face of the semiconductor temperature differential generating piece 5 of 3 contacts and the cold end face of the semiconductor temperature differential generating piece 5 contacted with the external world have temperature Degree is poor, can be produced electricl energy according to Seebeck effect semiconductor temperature differential generating piece 5 and powered for LED bulb 7.The flashlight uses the temperature difference Power generation produces electricl energy, and service life length, is powered, energy conservation and environmental protection without using chemical cell, non-transformer can charge outdoors In the case of be used continuously, it is easy to use.
The phase variation 3 is composite phase-change material, by paraffin class organic phase change material, carbon-based heat conduction support frame, carbon-based Nano particle, EVA hot-melt adhesive are formed;The phase transition temperature of the paraffin class organic phase change material is between 50-70 DEG C;It is described carbon-based Heat conduction support frame is one kind in expanded graphite or foamy carbon.The carbon-based nano particle is carbon fiber, carbon nanotubes or stone One kind in black alkene;The paraffin class organic phase change material, carbon-based nano particle, the ratio of EVA hot-melt adhesive are 18:1:1.Phase transformation Body 3 improves thermal conductivity factor using carbon-based heat conduction support frame, while further increases heat conduction system using carbon-based nano particle Number, and can prevent using EVA hot-melt adhesive the leakage of paraffin class organic phase change material, makes phase-change material possess high heat conduction and low The advantages of leakage.High heat conduction phase-change material quickly can absorb heat and complete phase-change accumulation energy process, can be fast when LED bulb 7 works Heat is released to semiconductor temperature differential generating piece 5 by speed, maintains the hot junction face of semiconductor temperature differential generating and the temperature difference in cold end face Stable scope, improves the energy utilization efficiency of thermo-electric generation efficiency and system;Meanwhile the advantages of low leakage, can make phase variation 3 Stable form is kept, improves the reliability of power generation.
The U-shaped vacuum tube 2 includes interior U-tube 21 and outer U-tube 22 with translucency, and the interior U-tube 21 is arranged In in the outer U-tube 22, and vacuum cavity 23 is formed between the interior U-tube 21 and outer U-tube 22;The phase variation 3 is filled out Fill in the interior U-tube 21.The interior U-tube 21 and outer U-tube 22 can use glass material to manufacture, to reach preferable printing opacity Performance.Outside sunlight injects vacuum cavity 23 through light transmitting shell 1 and outer U-tube 22 successively, since cavity is vacuum state, sun Luminous energy direct projection is on the outer surface of interior U-tube 21 so that the energy of sunlight maximumlly can be absorbed and transmitted by interior U-tube 21 To phase variation 3, the absorptivity to solar energy is improved.
In order to enable interior U-tube 21 to be firmly installed in the outer U-tube 22, prevent interior U-tube 21 from rocking And collision is produced with outer U-tube 22, and then cause both situation about damaging occur, it is equipped with the vacuum cavity 23 and is used to fix The intermediate plate 24 of interior U-tube 21.The intermediate plate 24 is elastic clip, and intermediate plate 24 is V-structure.Intermediate plate 24 is arranged on outer U-tube 22 Bottom, its both ends top pressure that is open is in the inner wall of outer U-tube 22.U in the inside of the bottom insertion v-shaped cavity of interior U-tube 21 and top pressure The medial surface of type pipe 21.Under the resilient force of intermediate plate 24, interior U-tube 21 is fixed on by top pressure on intermediate plate 24, structure letter It is single.When mounted, interior U-shaped bottom need to be only sheathed in the v-shaped cavity of intermediate plate 24 and together with intermediate plate 24 from outer U-tube 22 Mouth of pipe push-in, you can be rapidly completed the installation of internal U-tube 21, installation is quickly and conveniently.
Be provided with through hole 41 on the thermal insulation layer 4, the hot junction face of the semiconductor temperature differential generating piece 5 by through hole 41 with it is described Phase variation 3 contacts, and the semiconductor temperature differential generating piece 5 is tightly connected with the through hole 41.The hot junction of semiconductor temperature differential generating piece 5 Face be able to can be stablized in the heat that through being contacted indirectly with phase variation 3 after through hole 41, may be such that phase variation 3 by heat carrier and It is quickly delivered on the hot junction face of semiconductor temperature differential generating piece 5, and then makes hot junction face and the cold end of semiconductor temperature differential generating piece 5 Face produces the temperature difference, so as to produce electricl energy.Heat carrier is metal column, sheet metal and wire etc..
The semiconductor temperature differential generating piece 5 is nested in the through hole 41, and the semiconductor temperature differential generating piece 5 with it is described Through hole 41 is tightly connected.The semiconductor temperature differential generating piece 5 of the structure is directly nested in through hole 41, has both enabled through hole 41 good Seal well, prevent the heat of phase variation 3 from being dissipated by through hole 41 to excessive, also so that the hot junction face of semiconductor temperature differential generating piece 5 Directly contacted by through hole 41 with phase variation 3, the hot junction face and cold end face for promoting semiconductor temperature differential generating piece 5 produce temperature Difference, so as to produce electricl energy, clever structure, reduces the volume of flashlight.
In order to further improve the radiating rate in the cold end face of semiconductor temperature differential generating piece 5, maximumlly increase semiconductor Difference between the hot junction face and cold end face of thermoelectric generation film 5, and then the stabilization for keeping semiconductor temperature differential generating piece 5 to produce electricl energy Property, the cold end face of the semiconductor temperature differential generating piece 5 is contacted by heat conductive silica gel with the radiator 6.The radiator 6 is aluminium Alloy heat-sink device.Aluminium alloy heat radiator has higher thermal conductivity factor, and heat conductivility is good, can be semiconductor temperature differential generating piece 5 Cold end face stable low-temperature receiver is provided.
The outer surface of the interior U-tube 21 is equipped with heat absorbing coating.Applied through the direct sunlight of vacuum cavity 23 to the heat absorption On layer.The heat absorbing coating is the compound solar selectively absorbing coating of metal-dielectric.The energy of sunlight can be quicker Ground is absorbed by heat absorbing coating and is converted into thermal energy, and is transferred on phase variation 3 and is stored, and improves the absorption speed to solar energy Degree and efficiency.
Electric heating body 8 is equipped with the U-shaped vacuum tube 2, the light transmitting shell 1 is equipped with powers for the electric heating body 8 Outlet 9.There is the occasion of power source charges, can power for electric heating body 8 by 9 external power supply of outlet, making fever Body fever is directly heated for phase variation 3, is rapidly provided heat for phase variation 3 and is stored on phase variation 3, is i.e. the utility model Flashlight can be generated electricity by absorbing the energy of sunlight, can also be generated electricity by power supply, use Scope is wide, versatility is high and easy to use.
In order to improve speed and efficiency of the electric heating body 8 heat transfer to phase variation 3, the electric heating body 8 is arranged on institute State in phase variation 3 and contacted with phase variation 3.
The electric heating body 8 is Electrothermic wire or electric heating tube.Certainly, other electric heat-producing devices are also applied for this practicality It is new.
Above disclosed is only a kind of the utility model preferred embodiment, cannot limit this practicality with this certainly New interest field, therefore the equivalent variations made according to the utility model claims, still belong to what the utility model was covered Scope.

Claims (10)

  1. A kind of 1. solar energy phase transition energy storage thermo-electric generation flashlight, it is characterised in that:Including light transmitting shell, U-shaped vacuum tube, phase transformation Body, thermal insulation layer, semiconductor temperature differential generating piece, radiator and LED bulb, the U-shaped vacuum tube are sheathed in the light transmitting shell, The thermal insulation layer is arranged on the opening of the U-shaped vacuum tube, and thermal insulation layer is tightly connected with the U-shaped vacuum tube;The phase transformation Body is filled in the U-shaped vacuum tube;The semiconductor temperature differential generating piece is arranged on the thermal insulation layer, the semiconductor temperature difference hair The hot junction face of electric piece is contacted with the phase variation, and the cold end face of semiconductor temperature differential generating piece is contacted with the radiator;It is described LED bulb is connected with the power generation end of the semiconductor temperature differential generating piece.
  2. A kind of 2. solar energy phase transition energy storage thermo-electric generation flashlight according to claim 1, it is characterised in that:It is described U-shaped Vacuum tube includes that there is the interior U-tube of translucency and outer U-tube, the interior U-tube to be sheathed in the outer U-tube, and described Vacuum cavity is formed between interior U-tube and outer U-tube;The phase variation is filled in the interior U-tube.
  3. A kind of 3. solar energy phase transition energy storage thermo-electric generation flashlight according to claim 2, it is characterised in that:The vacuum The intermediate plate for being used for U-tube in fixed is equipped with cavity.
  4. A kind of 4. solar energy phase transition energy storage thermo-electric generation flashlight according to claim 1, it is characterised in that:It is described heat-insulated Through hole is provided with layer, the hot junction face of the semiconductor temperature differential generating piece is contacted by through hole with the phase variation, the semiconductor Thermoelectric generation film is tightly connected with the through hole.
  5. A kind of 5. solar energy phase transition energy storage thermo-electric generation flashlight according to claim 4, it is characterised in that:It is described partly to lead Body thermoelectric generation film is nested in the through hole, and the semiconductor temperature differential generating piece is tightly connected with the through hole.
  6. A kind of 6. solar energy phase transition energy storage thermo-electric generation flashlight according to claim 1, it is characterised in that:It is described partly to lead The cold end face of body thermoelectric generation film is contacted by heat conductive silica gel with the radiator.
  7. A kind of 7. solar energy phase transition energy storage thermo-electric generation flashlight according to claim 2, it is characterised in that:The interior U The outer surface of type pipe is equipped with heat absorbing coating.
  8. A kind of 8. solar energy phase transition energy storage thermo-electric generation flashlight according to claim 1 or 2, it is characterised in that:The U Electric heating body is equipped with type vacuum tube, the light transmitting shell is equipped with the outlet for electric heating body power supply.
  9. A kind of 9. solar energy phase transition energy storage thermo-electric generation flashlight according to claim 8, it is characterised in that:The electricity hair Hot body is arranged in the phase transformation body and is contacted with phase variation.
  10. A kind of 10. solar energy phase transition energy storage thermo-electric generation flashlight according to claim 9, it is characterised in that:The electricity Heater is Electrothermic wire or electric heating tube.
CN201720237565.0U 2017-03-10 2017-03-10 A kind of solar energy phase transition energy storage thermo-electric generation flashlight Withdrawn - After Issue CN207354080U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720237565.0U CN207354080U (en) 2017-03-10 2017-03-10 A kind of solar energy phase transition energy storage thermo-electric generation flashlight

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720237565.0U CN207354080U (en) 2017-03-10 2017-03-10 A kind of solar energy phase transition energy storage thermo-electric generation flashlight

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Publication Number Publication Date
CN207354080U true CN207354080U (en) 2018-05-11

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106953547A (en) * 2017-03-10 2017-07-14 广东工业大学 A kind of solar energy phase transition energy storage thermo-electric generation flashlight

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106953547A (en) * 2017-03-10 2017-07-14 广东工业大学 A kind of solar energy phase transition energy storage thermo-electric generation flashlight
CN106953547B (en) * 2017-03-10 2019-10-29 广东工业大学 A kind of solar energy phase transition energy storage thermo-electric generation flashlight

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Granted publication date: 20180511

Effective date of abandoning: 20191029