CN209074043U - Vacuum cup electricity generation system based on thermosiphon principle - Google Patents
Vacuum cup electricity generation system based on thermosiphon principle Download PDFInfo
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- CN209074043U CN209074043U CN201821079907.1U CN201821079907U CN209074043U CN 209074043 U CN209074043 U CN 209074043U CN 201821079907 U CN201821079907 U CN 201821079907U CN 209074043 U CN209074043 U CN 209074043U
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- 230000005611 electricity Effects 0.000 title claims abstract description 25
- 239000012530 fluid Substances 0.000 claims abstract description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 18
- 230000005484 gravity Effects 0.000 claims abstract description 9
- 239000007788 liquid Substances 0.000 claims description 15
- 238000009413 insulation Methods 0.000 claims description 8
- 239000004065 semiconductor Substances 0.000 claims description 8
- 238000009825 accumulation Methods 0.000 claims description 6
- 238000010248 power generation Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 2
- 238000001816 cooling Methods 0.000 claims 1
- 238000009434 installation Methods 0.000 claims 1
- 230000017525 heat dissipation Effects 0.000 abstract description 5
- 238000010521 absorption reaction Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 8
- 239000003990 capacitor Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 239000000126 substance Substances 0.000 description 3
- 230000008020 evaporation Effects 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 239000003507 refrigerant Substances 0.000 description 2
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 230000005619 thermoelectricity Effects 0.000 description 1
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Abstract
A kind of vacuum cup electricity generation system based on thermosiphon principle, belongs to field of heat transfer.System proposition applies thermo-electric generation element (6) on vacuum cup, its hot end and liner (3) bottom are in close contact, the heat of hot water in absorption cell, cold end is closely connect with radiator (7), radiator (7), fluid cavity (8) and shell (4) form a heat transfer unit (HTU) based on thermosiphon principle, using this device being dispersed into ambient enviroment in cold end heat transfer to vacuum cup shell (4) by heat convection.The electric energy that thermo-electric generation element (6) generates is stored in drive display component (9) in supercapacitor (12), and water temperature and water that temperature element (10) and gravity sensor (11) measure are shown.The display of this patent temperature and water solves the disadvantage that conventional vacuum cup has a single function, and the utilization of thermosiphon principle strengthens thermo-electric generation element cold end heat dissipation capacity, improves generating efficiency.
Description
Technical field
The vacuum cup electricity generation system based on thermosiphon principle that the utility model relates to a kind of, especially thermoelectric generation are cold
The method for holding thermosiphon principle heat dissipation, belongs to field of heat transfer.
Background technique
Now traditional vacuum cup only has the function of water storage and heat preservation, is taking medicine for special crowd once, such as patient
When, it is sometimes desirable to know the temperature and water of hot water in cup, here it is the functions that conventional vacuum cup cannot achieve.Furthermore when long
Between in the vacuum cup placed the heat of hot water will be distributed in environment, this partial heat conventional vacuum cup is unable to get utilization, is
A kind of wasting of resources.
Thermo-electric generation is a kind of novel generation mode, compact-sized, is not shaken or noise, safety non-pollution.But
There is also very important defect, the greatest difficulty that thermal gradient energy utilizes in power generation process is that the temperature difference is too small, and energy density is too low.
So the key of thermal gradient energy converting electrical energy is heat transfer enhancement technology.Although thermo-electric generation is it is already proposed that on vacuum cup
, but without design cold end heat dissipation well, the thermo-electric generation that thermal siphon is applied to vacuum cup was proposed there are no people
Cold end heat dissipation is got on.
In conclusion the utility model proposes a kind of vacuum cup electricity generation system and method based on thermosiphon principle.
Utility model content
The purpose of this utility model is that in order to overcome the above-mentioned deficiencies of the prior art, providing a kind of based on thermosiphon principle
Vacuum cup electricity generation system.
A kind of vacuum cup electricity generation system based on thermosiphon principle, it is characterised in that: including cup body and cup holder；Wherein cup body
Including liner and shell；Wherein side wall of inner outer surface is glued with heat insulation layer；It is the annular of fluid cavity between heat insulation layer and shell
Channel part；It is the liquid accumulation area of fluid cavity between liner at the bottom and outer casing bottom.
Thermo-electric generation element and radiator be installed in fluid cavity liquid accumulation area, hot end and liner at the bottom be in close contact from
Heat is absorbed in its hot water, the one side close contact of cold end and radiator transfers heat to radiator.
Working medium is water or organic working medium in above-mentioned fluid cavity.It is vacuumized in fluid cavity and is then injected into working medium, the filling liquid of working medium
Amount be account for entire fluid chamber volume 22~45% or working medium filling liquid level be more than thermo-electric generation element cold end 5~
60mm；The actual internal area of fluid cavity annular region (steam flow region) is unsuitable too small, and the size of actual internal area should be to steam
Steam flow speed cannot reach local velocity of sound and be advisable, in this way can be to avoid making system generate sonic limit at work.
Above-mentioned cup body is also equipped with display component；Supercapacitor is installed in cup holder；Liner at the bottom is equipped with temperature element
And gravity sensor；Display component includes circuit board and LED digital display, and display is defeated by conducting wire and supercapacitor
Exit port is connected, and the charging port of supercapacitor is connected with thermo-electric generation cell output mouth；Temperature element and gravity
Sensor is connected with the signal processing module in circuit board in display component.Design can not increase heat preservation cup volumes in this way
In the case where install related device additional, also can guarantee that the water temperature that measures and water are more accurate.
The vacuum cup electricity generation system based on thermosiphon principle, it is characterised in that: the outer side surface of above-mentioned shell can
To install the fin of hemispherical projections additional, design in this way can increase the heat convection area of shell and surrounding air, reduce thermal resistance.
The vacuum cup electricity generation system based on thermosiphon principle, it is characterised in that: above-mentioned radiator can be set
Needle-shaped rib and the ratio between rib height and rib spacing are greater than 0.1；Also straight rib or diagonal rib can be set and the ratio between rib thickness and rib spacing are wanted
Greater than 0.1.Design can increase the area that working medium is contacted with radiator in this way, reduce convective heat transfer resistance, enhance heat transfer effect.
The vacuum cup electricity generation system based on thermosiphon principle, it is characterised in that: above-mentioned heat insulation layer be vacuum layer or
Adiabator layer, or the combination of vacuum layer and adiabator layer.Design can guarantee that the heat of hot water can only be from liner in cup in this way
Bottom is left, and impacts without the work to thermal siphon.
The vacuum cup electricity generation system based on thermosiphon principle, it is characterised in that: the material of above-mentioned adiabator layer
Thermal coefficient range is 0~0.2W/mK.
The vacuum cup electricity generation system based on thermosiphon principle, it is characterised in that: above-mentioned thermo-electric generation element is half
Conductor thermoelectric generation film or semiconductor chilling plate or semiconductor power generation stack or semiconductor refrigerating pile or PN junction and printing electricity
The collection finished product on road.Its generated output is greater than 0.005W.
It is described based on exhibition to thermally conductive vacuum cup electricity generation system, it is characterised in that: above-mentioned temperature element can be thermoelectricity
It is even, it is also possible to thermal resistance, semiconductor thermistor meter or bimetallic thermometer.
It is described based on exhibition to thermally conductive vacuum cup electricity generation system, it is characterised in that: above-mentioned supercapacitor is mounted on cup
In seat, design can make capacitor far from heat source of hot water, the lower operating temperature of holding capacitor device, to improve capacitor in this way
Operating voltage, the internal resistance of capacitor will not rise, and the service efficiency of capacitor can be improved；Its capacitance is held by electrical equipment
The time of continuous work determines.The method example that capacitance calculates: assuming that the general power of all electrical equipments is in vacuum cup
0.1W, often plus a hot water will continue working 6h, operating voltage range 2.5V-5V, and in the case where invariable power, required capacitor holds
Amount:
C-capacitance (F), P-power (W), t-time (t), U-voltage (V).
The method of the vacuum cup electricity generation system based on thermosiphon principle, it is characterised in that including following procedure: on
The hot end and liner for stating thermo-electric generation element are in close contact, and the heat of hot water, cold end are closely connect with radiator in absorption cell, are dissipated
Hot device, fluid cavity and shell form an enclosure space, wherein filling working medium forms the heat transfer dress based on thermosiphon principle
Set, thermo-electric generation element cold end heat be transmitted on shell by this device, last heat via shell and ambient enviroment into
Row heat convection is pulled away.
Above-mentioned radiator, the heat transfer unit (HTU) of fluid cavity and shell composition, this device are similar to a special-shaped two-phase closed type heat
Siphon pipe.Evaporator section of the position as this heat transfer unit (HTU) where radiator, shell are more than the part of liquid working substance liquid level or more
As this heat transfer unit (HTU) condensation segment；Liquid refrigerant at radiator forms the vertical annular that steam passes through fluid cavity by evaporation
Region rises, and condenses into liquid to the cold on the shell, flows back into the liquid accumulation area at radiator by the effect of gravity, thus
Form circulation.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of this patent；
Fig. 2 is the three dimensional structure diagram of this patent；
Fig. 3 is the partial enlarged view (thermo-electric generation element and radiator) of this patent；
Fig. 4 is the shell schematic diagram of this patent；
Fig. 5 is the circuit diagram of this patent；
Figure label title: 1- cup body, 2- cup holder, 3- liner, 4- shell, 5- heat insulation layer, 6- thermo-electric generation element, 7- dissipate
Hot device, 8- fluid cavity, 9- display component, 10- temperature element, 11- gravity sensor, 12- supercapacitor, 13- hemispherical are prominent
The fin risen.
Specific embodiment
This patent is further illustrated with reference to the accompanying drawing.
As shown in Figure 1, a kind of vacuum cup electricity generation system and method based on thermosiphon principle carries out work in the following manner
Make: the hot end of thermo-electric generation element and liner at the bottom are in close contact, and the heat of hot water, cold end closely connect with radiator in absorption cell
It connects, radiator, fluid cavity and shell form the heat transfer unit (HTU) for being equal to two-phase closed type thermal siphon heat pipe, and cold end heat is led to
It is transmitted on shell, last heat carries out heat convection with ambient enviroment via shell and is pulled away；Radiator, fluid cavity and shell
A heat transfer unit (HTU) is formed, the liquid refrigerant at radiator forms the vertical circular passage that steam passes through fluid cavity by evaporation
Rise, condense into liquid to the cold in side wall surface inside the shell, flow back into the liquid accumulation area at radiator by the effect of gravity,
To form thermosyphon circulation.
As shown in Fig. 2, tomograph can be seen that the component overall distribution of entire vacuum cup.It is inlayed on vacuum cup shell
There is one piece of LED digital display screen, the surface area of display screen is about 2.5~25cm2, and because of the power of monochromatic LED display screen
Generally one square of 200W or so, so the power of this display screen is 0.05~0.5W.
As shown in figure 3, needle-shaped rib is arranged in radiator, straight rib or diagonal rib, the distribution of fin can be various shapes, this
Sample designs the area that can increase heat convection between flesh radiating fin and fluid working substance, enhances heat transfer effect.
As shown in figure 4, the outer side surface of the shell of the vacuum cup can increase the fin of hemispherical projections, the shape of fin
It can increase the area of heat convection with reference to form shown in Fig. 4, so design with arrangement, increase heat exchange amount, significantly
The temperature difference of thermo-electric generation element hot and cold side is improved, generating efficiency is improved.Assuming that the charge power of supercapacitor is 0.2W, the temperature difference
The generating efficiency of generating element is 0.5%, and it is 39.8W, the temperature difference of shell and ambient enviroment that cold end heat dissipation capacity, which is thus calculated,
It is assumed to be constant 20 DEG C (this is because fluid working substance condenses on the shell in fluid cavity, so skin temperature is higher), convection current is changed
Hot coefficient h=30W/ (m2DEG C), the area that can be calculated shell is 663cm2If vacuum cup external dimensions be Φ 65 ×
195mm, then case surface product is up to 400cm2Less than 663cm2, at this moment just need to increase the fin of hemispherical projections to increase
Heat exchange area reduces convective heat transfer resistance.
As shown in the circuit diagram of Fig. 5, thermo-electric generation element electricity is firstly stored in supercapacitor, is then persistently given
Display component power supply makes its work；The signal that temperature element and gravity sensor transmit is by the letter on circuit board in display component
The processing of number processing module is finally shown on LED digital display screen in digital form.
Claims (7)
1. a kind of vacuum cup electricity generation system based on thermosiphon principle, it is characterised in that:
Including cup body (1) and cup holder (2)；
Wherein cup body (1) includes liner (3) and shell (4), includes heat insulation layer (5) and fluid cavity between liner (3) and shell (4)
(8)；
Wherein liner (3) wall outer surface is glued with heat insulation layer (5);It is fluid cavity (8) between heat insulation layer (5) and shell (4)
Annular channel section；It is the liquid accumulation area of fluid cavity (8) between liner (3) bottom and shell (4) bottom；
Liquid accumulation area installation thermo-electric generation element (6) of fluid cavity (8) and radiator (7)；The hot end of thermo-electric generation element (6)
It is in close contact with liner (3) bottom, cold end and radiator (7) are in close contact；
Working medium is water or organic working medium in above-mentioned fluid cavity (8);It is vacuumized in fluid cavity (8), is then injected into working medium, working medium
Filling amount is that the height for the filling liquid level of 22~45% or working medium for accounting for entire fluid cavity (8) internal capacity is more than thermo-electric generation
Element (6) 5~60mm of cold-end plane；
Above-mentioned cup body (1) is also equipped with display component (9)；Supercapacitor (12) are installed in cup holder (2)；Liner (3) bottom
Equipped with temperature element (10) and gravity sensor (11)；Display component (9) includes circuit board and LED digital display, display
It is connected by conducting wire with the output port of supercapacitor (12), charging port and the thermo-electric generation member of supercapacitor (12)
Part (6) output port is connected;Signal in temperature element (10) and gravity sensor (11) and display component (9) in circuit board
Processing module is connected.
2. the vacuum cup electricity generation system according to claim 1 based on thermosiphon principle, it is characterised in that:
The outer side surface of above-mentioned shell (4) installs the fin of hemispherical projections additional.
3. the vacuum cup electricity generation system according to claim 1 based on thermosiphon principle, it is characterised in that:
Above-mentioned radiator (7) is provided with needle-shaped rib and the ratio between rib height and rib spacing are greater than 0.1；Straight rib or diagonal rib are either set
And the ratio between rib thickness and rib spacing are greater than 0.1.
4. the vacuum cup electricity generation system according to claim 1 based on thermosiphon principle, it is characterised in that:
Above-mentioned heat insulation layer (5) is vacuum layer or adiabator layer, or the combination of vacuum layer and adiabator layer.
5. the vacuum cup electricity generation system according to claim 4 based on thermosiphon principle, it is characterised in that:
The material thermal conductivity range of above-mentioned adiabator layer is 0~0.2W/mK.
6. the vacuum cup electricity generation system according to claim 1 based on thermosiphon principle, it is characterised in that:
Above-mentioned thermo-electric generation element (6) is semiconductor temperature differential power generating sheet or semiconductor chilling plate or semiconductor power generation stack, or is partly led
The collection finished product of body cooling pile or PN junction and printed circuit.
7. the vacuum cup electricity generation system according to claim 1 based on thermosiphon principle, it is characterised in that:
Above-mentioned temperature element (10) is thermocouple or thermal resistance or semiconductor thermistor meter or bimetallic thermometer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821079907.1U CN209074043U (en) | 2018-07-09 | 2018-07-09 | Vacuum cup electricity generation system based on thermosiphon principle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821079907.1U CN209074043U (en) | 2018-07-09 | 2018-07-09 | Vacuum cup electricity generation system based on thermosiphon principle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108784228A (en) * | 2018-07-09 | 2018-11-13 | 南京航空航天大学 | Thermal insulation cup electricity generation system based on thermosiphon principle and method |
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2018
- 2018-07-09 CN CN201821079907.1U patent/CN209074043U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108784228A (en) * | 2018-07-09 | 2018-11-13 | 南京航空航天大学 | Thermal insulation cup electricity generation system based on thermosiphon principle and method |
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