CN215832210U - Solar heat collection system - Google Patents
Solar heat collection system Download PDFInfo
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- CN215832210U CN215832210U CN202120402998.3U CN202120402998U CN215832210U CN 215832210 U CN215832210 U CN 215832210U CN 202120402998 U CN202120402998 U CN 202120402998U CN 215832210 U CN215832210 U CN 215832210U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 77
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- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 6
- 229910052782 aluminium Inorganic materials 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 4
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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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- Photovoltaic Devices (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The utility model discloses a solar heat collecting system which comprises a flat-plate solar collector, a water storage tank, a circulating water pump, a temperature controller, a controller and a temperature sensor, wherein the flat-plate solar collector, the water storage tank and the circulating water pump are connected through a water conveying pipeline, the controller is electrically connected with the temperature controller and the temperature sensor, the flat-plate solar collector comprises a heat insulating frame body, and a transparent glass plate, a heat collecting flat plate, a heat collecting part, a heat insulating layer and a bottom plate which are sequentially arranged in the heat insulating frame body, the heat collecting surface of the heat collecting flat plate faces towards the transparent glass plate, the heat collecting flat plate is in close contact with the heat collecting part so as to conduct heat in a contact manner, the heat collecting part comprises a snakelike heat collecting pipe and two water inlet and outlet pipes which are respectively communicated with the two ends of the snakelike heat collecting pipe, and the two ends of each water inlet and outlet pipe respectively extend out of the heat insulating frame body. Through the mode, the high-efficiency heat absorption device can bring high heat absorption efficiency and shorten the heating time of the working medium in the fluid channel.
Description
Technical Field
The utility model relates to the technical field of solar equipment, in particular to a solar heat collection system.
Background
Environmental pollution is becoming an important restriction factor for sustainable development of economy and society in China, and clean sustainable energy development is urgently needed. Solar energy, one of the new energy sources, has two major advantages: firstly, the food is abundant in storage, inexhaustible in supply and inexhaustible in supply; secondly, the safety and the cleanness can not threaten human beings and damage the environment.
The solar heat collector can absorb solar energy and convert the solar energy into heat energy, and heat water from low temperature to high temperature so as to meet the requirement of hot water in life and production of people. The solar heat collector saves energy, is clean, sanitary, safe and convenient, is widely adopted in modern life, and is popular with people. Common solar collectors are flat-plate solar collectors, and the basic working principle is very simple. In summary, sunlight irradiates on a heat absorbing body coated with an absorbing layer on the surface through a transparent cover plate, wherein most of solar radiation energy is absorbed by the absorbing body, converted into heat energy and transferred to a working medium in a fluid channel. Therefore, the cold working medium from the bottom inlet of the heat collector is heated by solar energy in the fluid channel, the temperature is gradually increased, the heated hot working medium carries useful heat energy from the upper end outlet of the heat collector and is stored in the water storage tank for standby, and the useful energy benefit is obtained.
However, in the prior art, the problem of low heat absorption efficiency of the flat-plate solar collector exists, so that the working medium in the fluid channel is heated for a long time.
SUMMERY OF THE UTILITY MODEL
In order to overcome the technical defects, the utility model provides a solar heat collection system, which can bring higher heat absorption efficiency and shorten the heating time of working media in a fluid channel by improving the structure of a heat absorption body.
In order to solve the problems, the utility model is realized according to the following technical scheme:
the utility model discloses a solar heat collecting system which comprises a flat-plate solar collector, a water storage tank, a circulating water pump, a temperature controller, a controller and a temperature sensor, wherein the flat-plate solar collector, the water storage tank and the circulating water pump are connected through water conveying pipelines, the controller is electrically connected with the temperature controller and the temperature sensor, the flat-plate solar collector comprises a heat insulating frame body, and a transparent glass plate, a heat collecting flat plate, a heat collecting part, a heat insulating layer and a bottom plate which are sequentially arranged in the heat insulating frame body, the heat collecting surface of the heat collecting flat plate faces towards the transparent glass plate, the heat collecting flat plate is in close contact with the heat collecting part so as to conduct heat in a contact manner, the heat collecting part comprises a snake-shaped heat collecting pipe and two water inlet and outlet pipes which are respectively communicated with the two ends of the snake-shaped heat collecting pipe, and the two ends of each water inlet and outlet pipe respectively extend out of the heat insulating frame body.
As a further improvement of the scheme, the heat insulation frame body comprises two short plates and two long plates, and the short plates and the long plates are connected through connecting pieces.
As a further improvement of the scheme, the joints of the two ends of the water inlet and outlet pipe and the heat insulation frame body are provided with anti-collision pads.
As a further improvement of the scheme, the transparent glass plate is of a hollow double-layer structure, and inert gas is filled in the transparent glass plate.
As a further improvement of the scheme, the joints of the heat insulation frame body, the transparent glass plate and the bottom plate are coated with sealant.
As a further improvement of this solution, the heat insulating frame body is in a rectangular frame shape.
As a further improvement of the scheme, the heat collection flat plate is made of an aluminum plate.
As a further improvement of the scheme, the heat collecting part is made of a red copper tube.
As a further improvement of the present solution, the controller is specifically a PLC controller.
As a further improvement of the scheme, the heat insulation layer is made of glass fiber or polyurethane.
Compared with the prior art, the utility model has the beneficial effects that:
according to the utility model, the flat-plate solar collector is improved, and the snakelike heat collecting tube in the heat collecting body is arranged into a special snakelike structure, so that the heat absorption efficiency of the heat collecting tube is greatly improved, the tube diameter of the snakelike heat collecting tube is increased, more water is heated in unit time, and the heating time of unit water volume under the same illumination intensity is shortened; the transparent glass plate is set to be a double-layer hollow structure, and inert gas is filled in the transparent glass plate, so that direct heat transfer between hot air in the heat insulation frame and outside air can be blocked, the heat conductivity coefficient of the transparent glass plate and the heat loss of the heat collector are reduced, and the heat absorption efficiency is further improved.
Drawings
Embodiments of the utility model are described in further detail below with reference to the attached drawing figures, wherein:
fig. 1 is an exploded view of a flat-panel solar collector according to the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
FIG. 3 is a view showing the connection structure of the heat insulating frame body and the heat collecting member according to the present invention;
FIG. 4 is a system control schematic of the present invention;
in the figure: 1. a heat insulating frame body; 1a, a short plate; 1b, a long plate; 1c, connecting pieces; 2. a transparent glass plate; 3. a heat collection plate; 4. a heat collection member; 4a, a snakelike heat collecting pipe; 4b, water inlet and outlet pipes; 5. a heat-insulating layer; 6. a base plate; 7. an anti-collision cushion.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
As shown in fig. 1 to 4, the solar heat collection system according to the present invention includes a flat-plate solar collector, a water storage tank, a circulating water pump, a temperature controller, a controller, and a temperature sensor, wherein the flat-plate solar collector, the water storage tank, and the circulating water pump are connected by a water pipe, the flat-plate solar collector can be installed in series more than two according to actual water consumption, and under the condition that the water capacity of the water storage tank is not changed, the more the number of the flat-plate solar collectors installed in series is, the faster the water temperature in the water storage tank rises, and the shorter the time for the water temperature to reach a predetermined value is. The water in the flat-plate solar collector can be pumped into the water storage tank by the circulating water pump after being heated to a preset temperature, the water in the water storage tank is pumped onto the flat-plate solar collector to be heated after being heated, the water in the water storage tank is circularly and repeatedly heated so that the water temperature in the water storage tank reaches a preset value, the water storage tank is connected with an external water source, a water level meter is installed in the water storage tank, and when the water quantity in the water storage tank is insufficient, the water can be pumped into the water storage tank from the outside to supplement the water quantity in the water storage tank in real time. Furthermore, install supplementary electric heating structure in the water storage tank, the temperature in the water storage tank does not reach the setting value when illumination weakens to certain degree after starts supplementary electric heating structure promptly and carries out the heating of quality of water to guarantee incessant hot water supply.
The controller is connected with the temperature controller and the temperature sensor is electrically connected with the temperature sensor, the temperature sensor is respectively installed at the water inlet and outlet of the flat-plate solar collector, the temperature sensor can detect the temperature of the water inlet and outlet of the flat-plate solar collector in real time and transmit the temperature information to the controller and the temperature controller, the temperature controller is installed at any one end of the water inlet and outlet, the temperature controller can physically deform in the switch according to the temperature change of the working environment, and therefore certain special effects are generated, and the switch-on or switch-off action is generated. During actual control, when the temperature difference of the water at the two ends of the heat collecting piece 4 is set to be larger than a certain value, the circulating water pump is started and the temperature controller is automatically opened to change water.
The controller is a central controller, can collect and process information at multiple positions and sends a control command to perform corresponding action, and the controller is specifically a PLC (programmable logic controller) which is high in reliability, has a fault self-detection function, can modify programs according to actual working requirements and is flexible to use.
Dull and stereotyped solar collector includes thermal-insulated framework 1 and installs in proper order in thermal-insulated framework 1 transparent glass board 2, thermal-arrest flat plate 3, thermal-arrest piece 4, heat preservation 5 and bottom plate 6, the sunlight can pass transparent glass board 2 direct irradiation and advance thermal-arrest flat plate 3 in order to carry out the heat-retaining, it is specific, transparent glass board 2 is hollow bilayer structure, 2 intussuseption of transparent glass board are filled with inert gas, toughened glass is chooseed for use to transparent glass board 2, toughened glass has high temperature resistant, toughness is high and the very low characteristics of heat conductivity, both can increase of service life can increase heat transfer again.
The heat collection flat plate 3 is a thin plate, and is made of an aluminum plate, and the aluminum plate has the characteristics of good corrosion resistance, light weight, good heat conductivity and the like. In order to enhance the heat collecting capacity of the aluminum plate, an aluminum nitrogen selective absorption coating is coated on one surface of the aluminum plate, and the coating has high heat absorption efficiency and good stability. The surface provided with the coating is the heat collecting surface of the heat collecting flat plate 3, the heat collecting surface of the heat collecting flat plate 3 faces the transparent glass plate 2, the surface, not provided with the coating, of the heat collecting flat plate 3 is provided with the heat collecting piece 4, the heat collecting flat plate 3 is in close contact with the heat collecting piece 4 so as to conduct heat in a contact mode, heat of the heat collecting flat plate 3 can be transmitted to the heat collecting piece 4 in real time to heat water, and particularly, the heat collecting flat plate 3 and the heat collecting piece 4 can be connected into a whole in a welding mode so as to achieve the effect of close connection.
The heat collecting part 4 comprises a snakelike heat collecting pipe 4a and two water inlet and outlet pipes 4b respectively communicated with two ends of the snakelike heat collecting pipe 4a, and two ends of each water inlet and outlet pipe 4b respectively extend out of the heat insulation frame body 1. Snakelike thermal-collecting tube 4a buckles into the snake shape, because snakelike thermal-collecting tube 4a special structure sets up for the endothermic efficiency of thermal-collecting tube promotes by a wide margin, in addition, does the pipe diameter of snakelike thermal-collecting tube 4a than current thermal-collecting tube greatly, so that heat more water in the unit interval, shortened the heat time of unit water yield under the same illumination intensity. In this embodiment, the heat collecting element 4 is made of a copper tube, the copper tube can be bent and deformed to be conveniently made into a snake shape, the heat collecting element is suitable for being used as a heat exchange element due to the high low-temperature strength, and the heat collecting element further has the characteristics of corrosion resistance, high temperature resistance and the like, so that the heat absorption effect of the heat collecting body is better, and the heat absorption efficiency is further improved.
The heat insulation frame 1 is in a rectangular frame shape, the heat insulation frame 1 includes two short plates 1a and two long plates 1b, and the short plates 1a and the long plates 1b are connected by a connecting member 1 c. Two long boards 1b and two short boards 1a symmetry setting respectively, short board 1a and long board 1b are connected perpendicularly, and connecting piece 1c is the L shape, and at short board 1a and long board 1 b's perpendicular crossing position department erection joint spare 1c, it is concrete, correspond respectively short board 1a and long board 1b on the two sides of connecting piece 1c and pass the screw and can carry out fixed connection, simple to operate convenient.
The junction of business turn over water pipe 4b both ends and thermal-insulated framework 1 all is provided with crashproof pad 7, and crashproof pad 7 uses rubber materials to make, and the card is established on the trompil that thermal-insulated framework 1 corresponds, prevents business turn over water pipe 4b and thermal-insulated framework 1 and takes place the friction and collision, damages business turn over water pipe 4b, has played fine guard action to certain sealed effect has, the heat that prevents in the thermal-insulated framework 1 spreads the outside easily and causes calorific loss.
The joints of the heat insulation frame body 1, the transparent glass plate 2 and the bottom plate 6 are coated with sealant, so that the heat loss of the inner cavity of the heat insulation frame body 1 is reduced. The whole heat collection piece 4 of 5 cladding of heat preservation sets up, and in this embodiment, heat preservation 5 uses glass fiber or polyurethane to make, and glass fiber and polyurethane material have good heat preservation and thermal-insulated effect, prevent that the heat in the heat collection piece 4 from scattering and disappearing, have guaranteed good thermal conversion efficiency, and in addition, the heat resistance makes heat preservation 5 also can not take place deformation when the heat collection piece 4 temperature is higher by force.
Other structures of the solar heat collecting system described in the present embodiment are referred to in the prior art.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, so that any modification, equivalent change and modification made to the above embodiment according to the technical spirit of the present invention are within the scope of the technical solution of the present invention.
Claims (10)
1. The utility model provides a solar energy collection system, includes flat-plate solar collector, water storage tank, circulating water pump, temperature controller, controller and temperature sensor, is connected through water pipeline between flat-plate solar collector, water storage tank and the circulating water pump, controller and temperature sensor electric connection, its characterized in that: the flat-plate solar collector comprises a heat insulation frame body, a transparent glass plate, a heat collection flat plate, a heat collection part, a heat preservation layer and a bottom plate, wherein the transparent glass plate, the heat collection flat plate, the heat collection part, the heat preservation layer and the bottom plate are sequentially arranged in the heat insulation frame body, the heat collection surface of the heat collection flat plate faces the transparent glass plate, the heat collection flat plate is in close contact with the heat collection part for heat conduction, the heat collection part comprises a snake-shaped heat collection pipe and two water inlet and outlet pipes which are respectively communicated with the two ends of the snake-shaped heat collection pipe, and the two ends of the water inlet and outlet pipes respectively extend out of the heat insulation frame body.
2. A solar energy collection system according to claim 1, wherein: the heat insulation frame body comprises two short plates and two long plates, and the short plates and the long plates are connected through connecting pieces.
3. A solar energy collection system according to claim 1, wherein: and the joints of the two ends of the water inlet and outlet pipe and the heat insulation frame body are provided with anti-collision pads.
4. A solar energy collection system according to claim 1, wherein: the transparent glass plate is of a hollow double-layer structure, and inert gas is filled in the transparent glass plate.
5. A solar energy collection system according to claim 1, wherein: and sealant is coated at the joint of the heat insulation frame body, the transparent glass plate and the bottom plate.
6. A solar energy collection system according to claim 1, wherein: the heat insulation frame body is in a rectangular frame body shape.
7. A solar energy collection system according to claim 1, wherein: the heat collecting flat plate is made of an aluminum plate.
8. A solar energy collection system according to claim 1, wherein: the heat collecting piece is made of a red copper tube.
9. A solar energy collection system according to claim 1, wherein: the controller is specifically a PLC controller.
10. A solar energy collection system according to claim 1, wherein: the heat-insulating layer is made of glass fiber or polyurethane.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202120402998.3U CN215832210U (en) | 2021-02-23 | 2021-02-23 | Solar heat collection system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202120402998.3U CN215832210U (en) | 2021-02-23 | 2021-02-23 | Solar heat collection system |
Publications (1)
Publication Number | Publication Date |
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CN215832210U true CN215832210U (en) | 2022-02-15 |
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CN202120402998.3U Expired - Fee Related CN215832210U (en) | 2021-02-23 | 2021-02-23 | Solar heat collection system |
Country Status (1)
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CN (1) | CN215832210U (en) |
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2021
- 2021-02-23 CN CN202120402998.3U patent/CN215832210U/en not_active Expired - Fee Related
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Granted publication date: 20220215 |