CN210383060U - Solar self-heating cup - Google Patents
Solar self-heating cup Download PDFInfo
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- CN210383060U CN210383060U CN201921509000.9U CN201921509000U CN210383060U CN 210383060 U CN210383060 U CN 210383060U CN 201921509000 U CN201921509000 U CN 201921509000U CN 210383060 U CN210383060 U CN 210383060U
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- water tank
- shell
- selective absorption
- absorption coating
- heating cup
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
- Y02E10/44—Heat exchange systems
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Abstract
The utility model discloses a solar energy self-heating cup, including selective absorption coating, water tank, heat preservation and shell, the water tank is inside to be divided into the water storage check by a plurality of little divisions, and the water tank upper surface sets up selective absorption coating, and the heat preservation for the lower surface protects, and the outer parcel of heat preservation has the shell, and the shell on the selective absorption coating is the clear glass shell, and selective absorption coating can change solar energy into heat energy. The utility model utilizes the clean energy of solar energy as a lasting external heat source, and the solar self-heating cup is manufactured, thereby greatly facilitating the heating of water under the conditions of no electricity and no open fire, meeting the outdoor requirement of people on drinking hot water, and promoting the specific implementation, utilization and development of solar energy; the volume is only slightly larger than that of a military kettle, and the portable water bottle is convenient to carry; the high-efficiency selective absorption coating has the effect of short water heating time, and the compact polyurethane heat-insulating layer can also keep warm for a long time.
Description
Technical Field
The utility model relates to a technical field of outdoor articles for use especially relates to a solar energy self-heating cup.
Background
Solar energy is taken as a huge, pollution-free and theoretically inexhaustible renewable energy source, more and more arouses the general attention of people, and the utilization of solar products is better and better, such as solar water heaters, solar hand warmers and the like. The solar series products are continuously emerging because the solar series products not only save energy, but also facilitate the life of people, so the solar series products occupy an important stroke in the life of people and have wide application space.
In recent years, people who travel outdoors are increasing, the market scale of outdoor articles is expanding, but the outdoor water drinking problem and the outdoor hot water drinking problem are not solved well.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a solar energy self-heating cup to solve the problem that above-mentioned prior art exists, make people under the condition of electroless or should not use naked light, can utilize solar energy to add hot water, satisfy the outdoor hydrothermal demand of drinking of people.
In order to achieve the above object, the utility model provides a following scheme:
the utility model provides a solar energy self-heating cup, constitute including selective absorption coating, water tank, heat preservation and shell, be provided with selective absorption coating and heat preservation on the water tank, selective absorption coating with the heat preservation is located respectively the water tank is different on the surface, the outer parcel of heat preservation has the shell, selective absorption coating top the shell is transparent shell, selective absorption coating can convert solar energy into heat energy.
Preferably, a plurality of partition plates are arranged in the water tank, the water tank is divided into a plurality of water storage grids by the partition plates, and the water storage grids are communicated with a water tank opening of the water tank.
Preferably, the water tank is a stainless steel water tank, and the shell is an alloy shell.
Preferably, the transparent shell is made of transparent tempered glass, and the transparent tempered glass is embedded in the shell in a sealing mode.
Preferably, the selective absorption coating is black chromium, and the selective absorption coating is wavy and is positioned on the upper surface of the water tank.
Preferably, the lower layer of the transparent shell is provided with a groove, the groove is an air layer, and the air layer is positioned above the selective absorption coating.
Preferably, a temperature sensor is arranged on a water tank cover of the water tank, and the temperature of the temperature sensor can be displayed on the water tank cover.
Preferably, the heat-insulating layer is made of polyurethane material and is located on the lower surface, the bottom surface and the side surface of the water tank.
Preferably, a strap is arranged on the outer shell.
The utility model discloses for prior art gain following technological effect:
the utility model utilizes the clean energy of solar energy as a lasting external heat source, and the solar self-heating cup is manufactured, thereby greatly facilitating the heating of water under the conditions of no electricity and no open fire, meeting the outdoor requirement of people on drinking hot water, and promoting the specific implementation, utilization and development of solar energy; the volume is only slightly larger than that of a military kettle, and the portable water bottle is convenient to carry; the high-efficiency selective absorption coating has the effect of short water heating time, and the compact polyurethane heat-insulating layer can also keep warm for a long time.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a first schematic structural view of a solar self-heating cup according to the present invention;
FIG. 2 is a schematic structural view of a solar self-heating cup according to the present invention;
FIG. 3 is a schematic diagram illustrating the energy transfer principle of the solar self-heating cup of the present invention;
wherein: 1-shell, 2-heat insulation layer, 3-water tank, 4-clapboard, 5-selective absorption coating, 6-air layer, 7-transparent toughened glass, 8-temperature sensor, 9-braces.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The utility model aims at providing a solar energy self-heating cup to solve the problem that prior art exists, make people under the condition of electroless or unsuitable naked light, can utilize solar energy to add hot water, satisfy the outdoor hydrothermal demand of drinking of people.
In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.
As shown in fig. 1 to 3: the embodiment provides a solar energy self-heating cup, including selective absorption coating 5, water tank 3, heat preservation 2 and shell 1 constitution, set up selective absorption coating 5 and heat preservation 2 on the water tank 3, selective absorption coating 5 and heat preservation 2 are located the water tank 3 different surfaces respectively, and the outer parcel of heat preservation 2 has shell 1, and shell 1 above selective absorption coating 5 is transparent shell, and selective absorption coating 5 can change solar energy into heat energy. The water tank 3 is a stainless steel water tank, the shell 1 is an alloy shell, and the strap 9 is arranged on the shell 1, so that the outdoor carrying is facilitated; the heat preservation layer 2 is made of polyurethane materials, and the heat preservation layer 2 is located on the lower surface, the bottom surface and the side surfaces of the water tank 3. The heat preservation 2 can prevent that water tank 3 dispels the heat to around, plays the heat preservation effect, and polyurethane still can fill the gap, fix other parts as heat preservation 2, and the thickness of heat preservation 2 is 50mm generally.
Specifically, be provided with a plurality of baffle 4 in the water tank 3 of this embodiment, baffle 4 divides water tank 3 into a plurality of water storage check, and the water storage check all communicates with the water tank mouth of water tank 3. The stainless steel water tank main body is 304 stainless steel, three stainless steel partition plates 4 are arranged inside the water tank 3 and are divided into four water storage grids, so that the contact and heat transfer areas of the stainless steel and water are increased, and the time for heating the water is shortened to a certain extent; the corners of the water tank 3 are designed into round corners, so that the problem of water accumulation in the water pouring process is avoided.
The transparent shell is transparent toughened glass 7, and the transparent toughened glass 7 is embedded in the shell 1 in a sealing mode. The main body of the alloy shell 1 is made of aluminum alloy materials, and is a part for protecting and fixing the water tank 3, the transparent shell and the heat insulation layer 2, the aluminum alloy has high strength and rigidity, is corrosion-resistant, light in weight and attractive, and a one-time compression molding process is adopted in the embodiment for improving the sealing performance of the shell 1. The lower layer of the transparent shell is provided with a groove which is an air layer 6, and the air layer 6 is positioned above the selective absorption coating 5, so that the selective absorption coating 5 can be protected from being scratched and damaged. The water tank cover of the water tank 3 is provided with a temperature sensor 8, and the temperature of the temperature sensor 8 can be displayed on the water tank cover.
The shell 1 of the transparent toughened glass 7 covers the selective absorption coating 5, and the high light transmittance ensures that a large amount of solar radiation reaches the selective absorption coating 5; the strong protection is provided for the selective absorption coating 5, and the selective absorption coating 5 is protected from the erosion of dust, wind and snow; the greenhouse effect prevents the selective absorption coating 5 and the stainless steel water tank from radiating heat to the surrounding environment through convection and radiation after the temperature rises, and the heat preservation effect is improved.
The selective absorbing coating 5 of this embodiment is black chrome, and the selective absorbing coating 5 is waved and is located on the upper surface of the water tank 3. The included angle between the wave-shaped selective absorption coatings 5 in the embodiment is preferably 120 degrees, so that the area of the selective absorption coatings 5 can be increased, and the heat exchange effect is improved. In order to make the stainless steel water tank absorb solar energy to the maximum extent and convert the solar energy into heat energy, the surface of the stainless steel water tank is covered with a 0.5mm selective absorption coating 5, namely black chromium, which is a composite of high-absorption metal particles and dielectrics, and the composite coating has high absorptivity in a solar radiation region and high transparency in an infrared region due to interband transition of the metal particles and resonance among the metal particles.
The working principle of the solar self-heating cup of the embodiment is as follows:
(1) energy balance
When most of the total energy of the incident solar radiation is absorbed by the heat collecting working medium (water), the useful energy gain Q of the self-heating cup is formedUAnd the rest is the heat dissipation loss Q from the heating cup to the environmentLAnd self-heating cup self energy storage QS. The energy balance equation for a self-heating cup can be expressed as follows:
QA＝QU+QL+QS
a. total amount of incident solar radiation: qA＝G*S*t
QAThe total intensity of incident solar radiation on the lighting surface; g is the average solar irradiation; s is the effective area of the device for absorbing solar radiation.
b. Useful energy gain: qU＝C*M*ΔT
Delta T is the temperature difference between the initial temperature of water and the final heating temperature; m is the mass of water in the device; c is the specific heat capacity at constant pressure of water.
c. Heating efficiency:
(2) performance testing and analysis
a) Analysis of heating efficiency
The heating efficiency of the solar self-heating cup of the embodiment can be calculated by the formula
Calculation, where η is energy efficiency, QInner containerFor the heat absorbed by the liner, QGeneral assemblyIs the solar radiation energy absorbed by the device.
QInner containerEqual to the average solar irradiance G multiplied by the effective area S for absorption of solar irradiance and the irradiation time t.
The average solar irradiance at the time of testing was: G1000W/m2
The effective area is:
S＝0.17*0.22+0.018*0.22*2+0.018*0.17＝0.04838m2
the test time is as follows: noon 12: 36-13: 26 time: t 50min 3000s
Therefore: q is total G S t 1000W/m2*0.04838*3000s＝145140JQInner containerEqual to the product of the specific heat capacity C of the water in the liner and the mass M and the temperature difference Delta T, namely:
q inner container (C) M Δ T4200J/(kg ℃) 0.6732kg (92.8-32.8) ° C141372J
Therefore, the energy utilization efficiency of the solar self-heating cup of the embodiment is as follows:
b) analysis of incubation Effect
Average coefficient of heat loss of
In the formula: u shapeLTAverage heat loss coefficient, unit: w/(m)2*℃)；tmMean water temperature, deg.C; t is taIs the average ambient temperature, and deg.C Δ τ is the total test time, s; m is the mass of water in the heat-preservation liner, kg; c is the specific heat capacity of water, J/(kg ℃); a. theAIs the external surface area of the heat-absorbing body, m2；t1、t3Respectively, the temperature after temperature rise, the temperature after cooling and the temperature at DEG C.
Meanwhile, under the conditions of no light and the average ambient temperature of 23 ℃, the temperature in the solar self-heating cup of the embodiment is reduced from 91 ℃ to 27.3 ℃ after 40h +45min, and the average heat loss is 0.777. Compared with similar products, the temperature-keeping time difference is not great.
By integrating the tests, compared with the vacuum cups on the market, the solar self-heating cup has small difference of heat preservation time, can heat water in the water tank in a short time, realizes outdoor drinking of hot water, is clean and pollution-free to the environment, and has no potential safety hazard of open fire use.
The principle and the implementation mode of the present invention are explained by applying specific examples in the present specification, and the above descriptions of the examples are only used to help understanding the method and the core idea of the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the concrete implementation and the application scope. In summary, the content of the present specification should not be construed as a limitation of the present invention.
Claims (9)
1. The utility model provides a solar energy self-heating cup which characterized in that: including selective absorption coating, water tank, heat preservation and shell, be provided with selective absorption coating and heat preservation on the water tank, selective absorption coating with the heat preservation is located respectively on the different surfaces of water tank, the outer parcel of heat preservation has the shell, selective absorption coating top the shell is transparent shell, selective absorption coating can convert solar energy into heat energy.
2. The solar self-heating cup according to claim 1, wherein: the water tank is internally provided with a plurality of partition plates, the partition plates divide the water tank into a plurality of water storage grids, and the water storage grids are communicated with a water tank opening of the water tank.
3. The solar self-heating cup according to claim 1, wherein: the water tank is a stainless steel water tank, and the shell is an alloy shell.
4. The solar self-heating cup according to claim 1, wherein: the transparent shell is made of transparent toughened glass, and the transparent toughened glass is embedded in the shell in a sealing mode.
5. The solar self-heating cup according to claim 1, wherein: the selective absorption coating is black chromium, is wavy and is positioned on the upper surface of the water tank.
6. The solar self-heating cup according to claim 5, wherein: transparent shell lower floor is provided with a recess, the recess is the air bed, the air bed is located selectivity absorption coating top.
7. The solar self-heating cup according to claim 1, wherein: a temperature sensor is arranged on the water tank cover of the water tank, and the temperature of the temperature sensor can be displayed on the water tank cover.
8. The solar self-heating cup according to claim 1, wherein: the heat preservation layer is made of polyurethane materials and is located on the lower surface, the bottom surface and the side surfaces of the water tank.
9. The solar self-heating cup according to claim 1, wherein: the shell is provided with a strap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921509000.9U CN210383060U (en) | 2019-09-11 | 2019-09-11 | Solar self-heating cup |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921509000.9U CN210383060U (en) | 2019-09-11 | 2019-09-11 | Solar self-heating cup |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210383060U true CN210383060U (en) | 2020-04-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921509000.9U Active CN210383060U (en) | 2019-09-11 | 2019-09-11 | Solar self-heating cup |
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| Country | Link |
|---|---|
| CN (1) | CN210383060U (en) |
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2019
- 2019-09-11 CN CN201921509000.9U patent/CN210383060U/en active Active
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