CN104578978B - A kind of portable wearable temperature difference electricity generation device - Google Patents

A kind of portable wearable temperature difference electricity generation device Download PDF

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Publication number
CN104578978B
CN104578978B CN201510019903.9A CN201510019903A CN104578978B CN 104578978 B CN104578978 B CN 104578978B CN 201510019903 A CN201510019903 A CN 201510019903A CN 104578978 B CN104578978 B CN 104578978B
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China
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temperature difference
electricity generation
electrothermal module
difference electricity
radiator
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CN201510019903.9A
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Chinese (zh)
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CN104578978A (en
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金安君
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苏州荷达新能源技术有限公司
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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02NELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
    • H02N11/00Generators or motors not provided for elsewhere; Alleged perpetua mobilia obtained by electric or magnetic means
    • H02N11/002Generators

Abstract

Present invention discloses a kind of portable wearable temperature difference electricity generation devices, it is made of heat collector, electrothermal module and radiator and overall thickness is less than 10mm, electrothermal module operates on 10 DEG C ~ 60 DEG C of the temperature difference range, wherein heat collector includes that bottom hot plate and directly contact are set to the heat conducting base between bottom hot plate and electrothermal module hot end face, and bottom hot plate is the good heat conductor of mesh-like;Radiator includes that radiating surface and directly contact are set to electrothermal module cold end face cooling base;Electrothermal module is the thermocouple pair that compartment closely spaced array type is equipped in the chip and chip for be integrated with Voltage stabilizing module, Voltage stabilizing module external connection energy-storage units, LED light and USB socket.Using temperature difference electricity generation device of the present invention, any heat energy power-generating can be utilized, noiseless, no consumption, small in size, interlayer is thin, facilitates wearing to carry, save and assembling, the blank of wearable electronic energy field is filled up, Product Green environmental protection, applied widely, long working life is further adapted for field and is used alone or integrates use with cooker.

Description

A kind of portable wearable temperature difference electricity generation device

Technical field

The present invention relates to a kind of power generator more particularly to a kind of thermo-electric generation in wearable, portable household goods The implementation of new opplication belongs to thermo-electric generation application field.

Background technique

Traditional fuel energy is reduced day by day, it is endangered caused by environment becomes increasingly conspicuous.Currently, China has seven Necessarily without electric population far from grid power system.Sight renewable energy is invested all in the current whole world, it is desirable to renewable energy Source can change the energy resource structure of the mankind, the energy for providing sustainable development, can also solve the problems, such as going to the countryside for distributed power generation.

The evolution history of generation technology includes the turbogenerator of traditional water wheels driving, and steam-powered generator is interior Fuel engine power generation engine and the turbogenerator of natural gas driving burn the turbogenerator of coal and the steam whirlpool of atomic energy driving Turbine generator.All above-mentioned these all can lead to huge environmental disruption such as: flooding of rivers, air or water pollution.With regard to this ring Guarantor's problem, we must do the reduction method energy-saving emission-reducing of the earth, it is made to meet the energy requirement of macro environment environmental protection.In field and far The activities such as extra large operation, scientific investigation, exploration, rescue are frequently necessary to portable power supply, such as electric power storage of currently used portable power Pond, diesel-driven generator or folding photovoltaic panel etc. have certain limitation in use.For example, the capacity of battery is limited, power supply It cannot continue;Diesel-driven generator is inconvenient to carry, needs to consume fuel.Collapsible photovoltaic panel can not be in night use.

In existing technical solution, have by the way of solar energy thermal-power-generating.Flat plate collector is by solar energy middle finger standing wave The thermal energy of section is collected, and thermal energy is transferred to by heat-transfer device the hot end of thermoelectric chip later, and thermoelectric chip cold end dissipates Hot device mostly uses recirculated water as cooling medium.Such mode is limited to the area of flat plate collector and the position of radiator Limitation.

The shortcomings that prior art, is mainly reflected in:

1) device therefor is more expensive, and disposable input cost is high;Or equipment is more special, partly belongs to exclusively for certain The equipment planting Minitype thermoelectricity module manufacture craft and designing is not easy to realize and produce in enormous quantities.

2) manufacture craft is not instead of using the thermoelectric block body material that can be bought at a low price in the market as raw material, with powder or member Plain simple substance is raw material, is synthesized using technologies of preparing such as condensation, powder sintering, films, this just increases technical difficulty and production The quality risk of product.

3) processing step is more, and some technique is led across multiple technologies such as materials synthesis, precision machinery processing and microelectronics Domain, product quality management are not easy to carry out.

4) some processes are more demanding to the technical level and qualification of operator, and operation cost is high.

5) existing microelectronic technique is produced on Minitype thermoelectricity module and asks using upper generally existing effective heat transfer area is low Topic, causes power density generally lower.

In the past 20 years, the miniaturization technologies of electrothermal module receive more and more extensive pass because of its unique application background Note.Beauty, moral, Deng state develop the technical solution of a variety of electrothermal modules micromations in succession, and be applied to portable power, The fields such as submarine detector, gas sensor and medical instrument.Past solution is to carry many batteries in outlying district; However there is much more convenient solution to outlying district now.Even if people are now using each without grid power system Kind of heat resource power generation underground heat, industrial waste heat, waste incineration, mine waste heat, atomic energy waste heat and burning hot etc..In addition, in fire Thermo-electric generation equipment is used in the spacecrafts such as star, lunar exploration.

Summary of the invention

The purpose of the present invention is to propose to a kind of portable wearable temperature difference electricity generation devices, provide Waste Heat Reuse, thermo-electric generation In wearable, portable household goods field overall technique solution.

Above-mentioned purpose of the invention, will be realized through the following technical scheme: a kind of portable wearable thermo-electric generation Device, it is characterised in that: the temperature difference electricity generation device is made of heat collector, electrothermal module and radiator and overall thickness is less than 10mm, wherein the electrothermal module operates on 10 DEG C ~ 60 DEG C of the temperature difference range, the heat collector includes the bottom hot plate of thermal-arrest and straight Contact is set to the heat conducting base between bottom hot plate and electrothermal module hot end face, and the bottom hot plate is the good thermal conductivity of mesh-like Body;The radiator includes that radiating surface and directly contact are set to electrothermal module cold end face cooling base;The electrothermal module is collection At the thermocouple pair for being equipped with compartment closely spaced array type in the chip and chip for having Voltage stabilizing module, the Voltage stabilizing module external connection energy storage Unit, LED light and USB socket.

Further, the bottom hot plate is the good thermal conductor of mesh-like, and is set as porous heat dissipation towards heat conducting base Mylar.

Further, the temperature difference electricity generation device is applied to wearable garment or wearable accessories, and the heat collector, heat Electric module and radiator are that flexible bending is curved.

Further, the temperature difference electricity generation device is applied to portable charged treasured, and the bottom hot plate is immersed in high temperature Gas, in liquid or on flare.

Further, heat insulation layer is equipped in the electrothermal module between the thermocouple pair of compartment closely spaced array type.

Further, heat collector, electrothermal module and the radiator in the temperature difference electricity generation device are furnished in horizontal.

Further, heat collector, electrothermal module and the radiator in the temperature difference electricity generation device are furnished in vertical, and base , heat collector parallel connection in parallel in radiator, the temperature difference electricity generation device are set by two layers or more radiator, heat collector and electrothermal module are folded It constitutes, each electrothermal module cascaded-output to Voltage stabilizing module.

Further, the radiator is that finned air cooling heat radiator, the gas-liquid cooler of two-phase or recirculated water cooling dissipate Hot device.

Remarkable result after technical solution of the present invention application implementation are as follows: by the heat management system of special designing, so that warm Difference power generation can accomplish in ultrathin wearable or charger baby using any heat energy power-generating, noiseless, no consumption, it is small in size, Interlayer is thin, is convenient for carrying, saves and assembles, and has filled up a blank of wearable electronic energy field, and the Product Green is environmentally friendly, Applied widely, long working life is suitable for field and is used alone or integrates use with cooker.

Just attached drawing in conjunction with the embodiments below, the embodiment of the present invention is described in further detail, so that of the invention Technical solution is more readily understood, grasps.

Detailed description of the invention

Fig. 1 is the schematic structural cross-sectional view of temperature difference electricity generation device of the present invention.

Fig. 2 is the structural schematic diagram of temperature difference electricity generation device level ornaments of the present invention.

Fig. 3 is the structural schematic diagram that temperature difference electricity generation device of the present invention is furnished vertically.

Fig. 4 is the electrical block diagram of temperature difference electricity generation device of the present invention.

Specific embodiment

Just attached drawing in conjunction with the embodiments below, the embodiment of the present invention is described in further detail, so that of the invention Technical solution is more readily understood, grasps.

As shown in Figure 1, the invention discloses a kind of temperature difference electricity generation device, including heat collector, radiator and it is folded in scattered Multiple electrothermal modules and overall thickness between hot device and heat collector are less than 15mm, and wherein electrothermal module 2 operates on the temperature difference range 10 DEG C ~ 60 DEG C, the heat collector include thermal-arrest bottom hot plate 11 and directly contact be set to bottom hot plate and electrothermal module hot end face it Between heat conducting base 12, the bottom hot plate be mesh-like good heat conductor;The radiator includes that radiating surface 41 and directly contact are set In electrothermal module cold end face cooling base 42;The electrothermal module 2 is that interval is equipped in the chip and chip for be integrated with Voltage stabilizing module The thermocouple pair of formula closely spaced array type, Voltage stabilizing module external connection energy-storage units, LED light and the USB socket.Electrothermal module both ends There are the temperature difference to generate electricity, and finally passes through the electricity that electrothermal module issues and puts together in series and parallel, it is daily can to supply people It uses.

The device can be with green production, use, the environmentally friendly strict requirements of satisfaction.Substantially accomplish to be sent out using any thermal energy Electricity.Noiseless, no consumption is small in size, and interlayer is thin, is convenient for carrying, saves and assembles.Can be in traditional field application, or enter new Client and application.The device can fill up some blank of the wearable electronic technology energy.Use scope is wide, long working life, Can be integrated with cooker, the charging unit suitable for being used alone or as portable power source system in field uses.In this way, utilizing Common heat source provides the electric energy of wearable electronic.The popularization of thermoelectric generation will protect environment to have energy-saving and emission-reduction Highly important meaning.On the one hand it realizes the utilization to sustainable energy, and it is right to be on the other hand able to satisfy remote districts again The demand of electricity.

Nearest theoretical research shows when carrying out the recycling of thermoelectricity waste heat using thermo-electric generation, only by reducing electrothermal module Characteristic size can effectively reduce the usage amount of material under the premise of not changing transformation efficiency and power, to reduce cost And environmental cost.Therefore the inexpensive Minitype thermoelectricity module manufacturing technology for being suitable for being mass produced will show wide in future Market prospects.The technology that Minitype thermoelectricity module mass production may be implemented is listed below: United States Patent (USP) US6440212B1, United States Patent (USP) US005956569A, United States Patent (USP) US20020069906A1, United States Patent (USP) US006100463A, Chinese patent CN200510082038.9 etc..

As shown in Figure 1, being the nuclear structure schematic diagram of temperature difference electricity generation device of the present invention.As preferred implementation of the invention Example, the temperature difference electricity generation device are applied to wearable daily necessity.It is with heat collector, radiator and is folded in radiator sum aggregate Multiple electrothermal modules between hot device.From diagram as it can be seen that above-mentioned heat collector is using the good thermal conductor of mesh-like as substrate, and direction Heat conducting base is set as the mylar of porous heat dissipation, and matches and tailor with wearable product shape, and heat collector thickness is usually in 1-4mm Between, preferably 2mm;The integrated appearance set on wearable product of above-mentioned radiator, with conventional air-cooled, water cooling or the gas-liquid of vapo(u)rability Based on two-phase refrigeration, electrothermal module between the two is compartment array arrangement, separates each thermocouple pair by heat insulation layer 3 respectively. The temperature difference electricity generation device can independently customize breadth size according to demand, can also using it is multiple this it is device distributed be set to it is wearable Articles and grade are coupled to common output end.When necessary, it is curved can be made into flexible bending for each component part of the temperature difference electricity generation device, Only it need to guarantee that each layer is parallel to each other.

In the market, portable power source of the mobile power source as current main-stream, but its appearance is limited due to small product size Amount is promoted and is difficult to break through always.And use the temperature difference electricity generation device, heat collector need to be only immersed in the gas of high temperature, in liquid or On the flare in field, that is, it can provide the enough temperature difference requirements of electrothermal module, to realize flexibly charging.At this point, heat collector can be adopted With the production such as red copper, beryllium copper end face that area is sufficiently large, hot-fluid uniformly exports;And the wing of red copper, aluminium can be used in radiator Piece, and the area of radiator need to be equal or slightly larger with respect to electrothermal module, cooling efficiency can maintain 50 DEG C of the temperature difference or so, so as to foot To maintain the temperature difference uniformity and heat flow density uniformity of hot and cold side.It is insulated therebetween using asbestos frame, thus thermoelectricity mould Block be able to fix and enable hot end, cold end heat sufficiently, preferably all flow through electrothermal module.

From the point of view of specific implement, as shown in Fig. 2, heat collector, electrothermal module and heat dissipation in above-mentioned temperature difference electricity generation device Device can be furnished in horizontal.But also it is no lack of other embodiment, as shown in figure 3, the thermal-arrest in above-mentioned temperature difference electricity generation device Device, electrothermal module and radiator are furnished in vertical, and the unified heat management side in parallel, heat collector parallel connection based on radiator Formula, the temperature difference electricity generation device are made of folded set of two layers or more radiator, heat collector and electrothermal module, each electrothermal module cascaded-output To Voltage stabilizing module.Hot end has direct passage of heat to be allowed to be connected in heat collector;And it is scattered that all cold ends have direct channel to be connected in Hot device.

Based on said structure design, the invention also provides the techniques of minisize thermoelectric chip thermoelectric arm metallization.Above-mentioned heat The primitive of galvanic couple pair is composed of by two kinds of different thermoelectric semiconductor materials.The thermo-electric device of typical example has a kind of p-type Thermoelectric material and a kind of n-type thermoelectric material.Electric current is consistent with the carrier direction of hot-fluid in p-type thermoelectric material;And N-shaped thermoelectricity The carrier direction of material is opposite to electric current, hot-fluid.Manufacturing electrothermal module is preferably and to high-density to fold those primitives Add and connects.

The temperature difference electricity generation device in the actual production process, provides a kind of substrate material as ceramics -1 or highly heat-conductive material, For example highly thermally conductive kyocera AN242 model.Its geometry can be controlled in a certain range by 3D printing and two kinds of thermoelectric arms are same When form.N-type material (for example " BiTe ") and p-type material (for example " BiSbTe ") are generated highdensity battle array by 3D printing system Column.Interval insulant is the ceramics -2 of lower thermal conductivity, for example kyocera GL771 model.After geometric configuration needed for generating, at 300 degree The annealing temperature of left and right, the material object of above-mentioned multiple material can be disposably completed by modeling process immediately.3D printing is complete in this way At group component array and very environmentally friendly manufactured electrothermal module.The series-parallel circuit of thermoelectricity group element array (wiring) Complete wiring by the printing of termination electrode thereafter (with copper, lead or aluminum material etc.).3D printing above-mentioned high fever is used when rear end encapsulates Ceramics -1 are led to complete.

As shown in figure 4, being the electrical block diagram of temperature difference electricity generation device of the present invention.From diagram as it can be seen that above-mentioned thermoelectricity mould DC-DC Voltage stabilizing module is integrated in block, which can stablize needed for output according to the practical application request of thermo-electric generation Voltage, electric current, and input to the generation electric current then received from thermocouple pair, due to the waving interval of the temperature difference, the thermocouple Also there is certain fluctuation to output voltage, so be able to achieve input range 0.9V-24V using the Voltage stabilizing module and stablize Export 5V power supply.The U.S. another commercial converter Maxim668(Maxime's Products) equally applicable, the meter of the converter Number index stablizes output 5V power supply for input range 2.7-18V.The output of Voltage stabilizing module is to can external charge circuit and electric power storage Pond is made internal energy storage and is used, and can also be used with external LED light and USB socket for USB interface device.

Wearable device of the invention has the characteristics that noiseless, service life are long, suitable for various rough environment.As long as having Heat source can solve the powerup issue of wearable electronic product.And equipment can use with green production, to meet environmental protection stringent It is required that.It can be suitble in some remote, regional large-scale popularizations that heat supply is sufficient using meeting these remote short of electricity areas to the need of electricity The temperature difference electricity generation device asked.

In addition to the implementation, the present invention can also have other embodiment.It is all to use equivalent substitution or equivalent transformation shape At technical solution, be all fallen within scope of the present invention.

Claims (5)

1. a kind of portable wearable temperature difference electricity generation device, it is characterised in that: the temperature difference electricity generation device is by heat collector, thermoelectricity mould Block and radiator composition and overall thickness is less than 10mm, wherein the electrothermal module operates on 10 DEG C~60 DEG C of the temperature difference range, it is described Heat collector includes that the bottom hot plate of thermal-arrest and directly contact are set to the heat conducting base between bottom hot plate and electrothermal module hot end face, The bottom hot plate is the good heat conductor of mesh-like;The radiator includes that radiating surface and directly contact are set to electrothermal module cold end Face cooling base;The electrothermal module is the thermocouple pair that compartment closely spaced array type is equipped in chip and chip, the thermoelectricity Voltage stabilizing module, the Voltage stabilizing module external connection energy-storage units, LED light and USB socket are integrated in module;The thermo-electric generation Device is applied to wearable garment or wearable accessories, and the heat collector, electrothermal module and radiator are that flexible bending is curved;Institute The good thermal conductor that bottom hot plate is mesh-like is stated, and is set as the mylar of porous heat dissipation towards heat conducting base.
2. portable wearable temperature difference electricity generation device according to claim 1, it is characterised in that: the temperature difference electricity generation device is answered For portable charged treasured, and the bottom hot plate is immersed in the gas of high temperature, in liquid or on flare.
3. portable wearable temperature difference electricity generation device according to claim 1, it is characterised in that: be spaced in the electrothermal module Heat insulation layer is equipped between the thermocouple pair of formula closely spaced array type.
4. portable wearable temperature difference electricity generation device according to claim 1, it is characterised in that: in the temperature difference electricity generation device Heat collector, electrothermal module and radiator in horizontal furnish.
5. portable wearable temperature difference electricity generation device according to claim 1, it is characterised in that: the radiator is finned Air cooling heat radiator, two-phase gas-liquid cooler or recirculated water cooling radiator.
CN201510019903.9A 2015-01-15 2015-01-15 A kind of portable wearable temperature difference electricity generation device CN104578978B (en)

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CN104883095A (en) * 2015-06-25 2015-09-02 武汉纯白科技有限公司 Heat energy gathering device of wearable equipment
CN106787947B (en) * 2015-11-24 2018-12-07 华中科技大学 A kind of device to be generated electricity using body temperature
CN106090808A (en) * 2016-06-03 2016-11-09 西安理工大学 A kind of high efficiency thermoelectric conversion LED lamp
CN106361258A (en) * 2016-11-07 2017-02-01 马根昌 Medical tongue depressor
CN106712263A (en) * 2016-11-14 2017-05-24 深圳市元征软件开发有限公司 Power supplying method and wearable equipment
CN108652095A (en) * 2018-05-18 2018-10-16 云南靖创液态金属热控技术研发有限公司 Using temperature difference self power generation fabric and utilize intelligent clothing made of the fabric

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