CN112378093A - Automatic recovery system for natural energy heat utilization heat collection plate - Google Patents
Automatic recovery system for natural energy heat utilization heat collection plate Download PDFInfo
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- CN112378093A CN112378093A CN202011394708.1A CN202011394708A CN112378093A CN 112378093 A CN112378093 A CN 112378093A CN 202011394708 A CN202011394708 A CN 202011394708A CN 112378093 A CN112378093 A CN 112378093A
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- China
- Prior art keywords
- outer box
- box body
- heat collecting
- recovery system
- heat
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S10/00—Solar heat collectors using working fluids
- F24S10/50—Solar heat collectors using working fluids the working fluids being conveyed between plates
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S30/00—Arrangements for moving or orienting solar heat collector modules
- F24S30/40—Arrangements for moving or orienting solar heat collector modules for rotary movement
- F24S30/42—Arrangements for moving or orienting solar heat collector modules for rotary movement with only one rotation axis
- F24S30/422—Vertical axis
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other DC sources, e.g. providing buffering
- H02J7/35—Parallel operation in networks using both storage and other DC sources, e.g. providing buffering with light sensitive cells
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S10/00—PV power plants; Combinations of PV energy systems with other systems for the generation of electric power
- H02S10/30—Thermophotovoltaic systems
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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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- 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
- Y02E10/47—Mountings or tracking
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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
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/56—Power conversion systems, e.g. maximum power point trackers
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Photovoltaic Devices (AREA)
Abstract
本发明提供一种用于自然能热利用集热板的自动回收系统，涉及集热板技术领域。该用于自然能热利用集热板的自动回收系统，包括外箱体，所述外箱体内部设置有内箱体，所述内箱体一侧铰接有门板，所述外箱体前侧底端设置有第一集热板，所述外箱体两侧均设置有第二集热板，所述第二集热板和外箱体之间设置有电动推杆，所述外箱体顶部设置有太阳能光伏板。该用于自然能热利用集热板的自动回收系统通过控制器接收电流互感器检测的电流，通过与预设电流值大小比较可以对电动推杆进行控制，此装置可以针对不同的光照强度对第二集热板进行展开和收回，能够将太阳能的利用率最大化，实际使用过程中更加环保节能。
The invention provides an automatic recovery system for heat collecting plates using natural energy heat, and relates to the technical field of heat collecting plates. The automatic recovery system for heat-collecting plates using natural energy heat includes an outer box body, an inner box body is arranged inside the outer box body, a door panel is hinged on one side of the inner box body, and a front side of the outer box body is hinged. A first heat collecting plate is arranged at the bottom end, a second heat collecting plate is arranged on both sides of the outer box, an electric push rod is arranged between the second heat collecting plate and the outer box, and the outer box is The top is provided with a solar photovoltaic panel. The automatic recovery system for natural energy heat utilization heat collector plate receives the current detected by the current transformer through the controller, and can control the electric push rod by comparing with the preset current value. The expansion and retraction of the second heat collecting plate can maximize the utilization rate of solar energy, and is more environmentally friendly and energy efficient in the actual use process.
Description
Technical Field
The invention relates to the technical field of heat collecting plates, in particular to an automatic recovery system for utilizing natural energy heat by using a heat collecting plate.
Background
The heat collector is also called as a heat collecting plate and is a name of an outdoor heat collecting part of a solar water heater in the solar industry. The solar heat collector with good performance is one of key equipment of a solar air conditioner, and has the main function of collecting heat energy in sunlight, transferring the heat energy to a water tank through a communication pipeline and heating cold water in the water tank. Solar energy is the most attractive clean energy source among new energy sources and renewable energy sources, which is beneficial to energy conservation and environmental protection, so that the mainstream of global energy sources in the future is solar energy, and the solar energy utilization technology is more and more widely regarded. The solar heat collector is the most important component in solar heat utilization, and the performance of the solar heat collector plays a decisive role in the success or failure of the whole system. The basic feature of the method can be divided into two categories, i.e. non-condensation and condensation.
However, the traditional heat collector has a single installation mode for collecting solar energy, and cannot adjust the expansion and the retraction of the collecting component according to the intensity of sunlight, so that the utilization efficiency of the solar energy is low, and the practicability is not enough.
Disclosure of Invention
Technical problem to be solved
In view of the disadvantages of the prior art, the present invention provides an automatic recycling system for natural heat utilizing heat collecting plates to solve the problems set forth in the background art.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides an automatic recovery system for natural energy thermal utilization thermal-arrest board, includes outer box, outer box inside is provided with interior box, interior box one side articulates there is the door plant, outer box front side bottom is provided with first thermal-arrest board, outer box both sides all are provided with second thermal-arrest board, be provided with electric putter between second thermal-arrest board and the outer box, outer box top is provided with the solar photovoltaic board, the door plant outside is provided with current transformer, the current transformer bottom is provided with the controller, interior box opposite side is provided with the battery.
Preferably, one end of the electric push rod is hinged with the second heat collecting plate, and the other end of the electric push rod is hinged with the outer box body.
Preferably, the solar photovoltaic panel is electrically connected with the storage battery, and the storage battery is fixedly connected to the bottom end in the outer box body.
Preferably, the handle is fixedly connected to the outer side of the door plate and is made of an aluminum alloy material.
Preferably, the storage battery is electrically connected with a current transformer, and the current transformer is electrically connected with the controller.
Preferably, the outer box body and the inner box body are both made of steel plate materials.
Preferably, a first groove is formed in the bottom end of the front side of the outer box body, and the first heat collecting plate is embedded in the first groove.
Preferably, both sides of the outer box body are provided with second grooves, the second heat collecting plates are arranged inside the second grooves, and the second heat collecting plates are rotatably connected with the outer box body through hinges.
The invention provides an automatic recovery system for a natural energy heat utilization heat collection plate, which has the following beneficial effects:
1. this an automatic recovery system for natural energy heat utilization thermal-arrest board collects solar energy through the solar photovoltaic board, and then with solar energy transformation for the electric energy storage in the battery, current transformer can detect the size of electric current, when solar illumination is sufficient, generating current is big, when cloudy day rains, generating current is little, the controller receives the electric current that current transformer detected, can control electric putter through with predetermine the current value size comparison, this device can expand and withdraw second thermal-arrest board to different illumination intensity, can be with the utilization ratio maximize of solar energy, environmental protection and energy saving more in the in-service use process.
2. This an automatic recovery system for natural energy heat utilizes thermal-arrest board is through being provided with first thermal-arrest board in outer box front side, can collect solar energy's heat through first thermal-arrest board during the use, can drive the motion of second thermal-arrest board through electric putter, and then expandes second thermal-arrest board, can fully collect and utilize solar energy through first thermal-arrest board and second thermal-arrest board this moment.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic perspective view of the present invention;
FIG. 3 is a front view of the present invention;
fig. 4 is a top view of the present invention.
In the figure: 1. an outer case; 2. an inner box body; 3. a door panel; 4. a first heat collecting plate; 5. a second heat collecting plate; 6. an electric push rod; 7. a solar photovoltaic panel; 8. a current transformer; 9. a controller; 10. a storage battery; 11. a handle; 12. a first groove; 13. a second groove.
Detailed Description
The embodiment of the invention provides an automatic recovery system for a natural energy heat utilization heat collecting plate, as shown in fig. 1-4, comprising an outer box body 1, an inner box body 2 is arranged inside the outer box body 1, the outer box body 1 and the inner box body 2 are both made of steel plate material, a door plate 3 is hinged on one side of the inner box body 2, a handle 11 is fixedly connected to the outer side of the door plate 3, the handle 11 is made of aluminum alloy material, a first heat collecting plate 4 is arranged at the bottom end of the front side of the outer box body 1, a first groove 12 is arranged at the bottom end of the front side of the outer box body 1, the first heat collecting plate 4 is embedded inside the first groove 12, second heat collecting plates 5 are arranged at both sides of the outer box body 1, second grooves 13 are arranged at both sides of the outer box body 1, the second heat collecting plates 5 are arranged inside the second grooves 13, the second heat collecting plates 5 are rotatably connected with the outer, an electric push rod 6 is arranged between the second heat collecting plate 5 and the outer box body 1, one end of the electric push rod 6 is hinged with the second heat collecting plate 5, the other end of the electric push rod 6 is hinged with the outer box body 1, solar energy can be fully collected and utilized through the first heat collecting plate 4 and the second heat collecting plate 5, a solar photovoltaic plate 7 is arranged at the top of the outer box body 1, a current transformer 8 is arranged at the outer side of the door plate 3, a controller 9 is arranged at the bottom end of the current transformer 8, a storage battery 10 is arranged at the other side of the inner box body 2, the solar photovoltaic plate 7 is electrically connected with the storage battery 10, the storage battery 10 is fixedly connected to the bottom end inside the outer box body 1, the storage battery 10 is electrically connected with the current transformer 8, the current transformer 8 is electrically connected with the controller 9, and the controller 9 receives current, through with predetermineeing the current value size comparison, when being less than the default, it is weak to explain sun illumination intensity this moment, gives electric putter 6 with the signal transmission this moment and contracts, folds second heat collection plate 5 and withdraws, and battery 10 can provide the electric energy for electric putter 6, and this structure can expand and withdraw second heat collection plate 5 to different illumination intensity, can be with the utilization ratio maximize of solar energy, environmental protection and energy saving more in the in-service use process.
The implementation mode is specifically as follows: the first heat collecting plate 4 is arranged on the front side of the outer box body 1, so that when the solar water heater is used, the heat of solar energy can be collected through the first heat collecting plate 4, the second heat collecting plate 5 can be driven to move through the electric push rod 6, the second heat collecting plate 5 is unfolded, and at the moment, the solar energy can be fully collected and utilized through the first heat collecting plate 4 and the second heat collecting plate 5;
here, by providing the solar photovoltaic panel 7, the solar photovoltaic panel 7 collects solar energy, and further converts the solar energy into electric energy to be stored in the storage battery 10, the current stored in the storage battery 10 passes through the current transformer 8 and then contacts with the electric push rod 6, the current transformer 8 can detect the magnitude of the current, and further transmits a signal of the magnitude of the current to the controller 9, when the sunlight is sufficiently illuminated, the generated current is large, when it rains in a cloudy day, the generated current is small, the controller 9 receives the current detected by the current transformer 8, and when the current is smaller than a preset value, the intensity of the sunlight is weak, and at this time, the signal is transmitted to the electric push rod 6 to be contracted, the second heat collecting panel 5 is folded and retracted, and similarly, when the generated current is large, the second heat collecting panel 5 can be unfolded, and compared with a conventional heater, the lower box body is modified into the first heat collecting plate 4 and the second heat collecting plate 5, the second heat collecting plate 5 can be unfolded and retracted according to different illumination intensities, the utilization rate of solar energy can be maximized, and the environment-friendly and energy-saving effects are achieved in the actual use process.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. The utility model provides an automatic recovery system for natural energy heat utilization thermal-arrest board, includes outer box (1), box (2) in outer box (1) inside being provided with, interior box (2) one side articulates there is door plant (3), outer box (1) front side bottom is provided with first thermal-arrest board (4), outer box (1) both sides all are provided with second thermal-arrest board (5), be provided with electric putter (6), its characterized in that between second thermal-arrest board (5) and outer box (1): the solar photovoltaic panel (7) is arranged at the top of the outer box body (1), a current transformer (8) is arranged on the outer side of the door panel (3), a controller (9) is arranged at the bottom end of the current transformer (8), and a storage battery (10) is arranged on the other side of the inner box body (2).
2. An automatic recovery system for natural heat utilizing heat collecting plates as claimed in claim 1, wherein: one end of the electric push rod (6) is hinged with the second heat collecting plate (5), and the other end of the electric push rod (6) is hinged with the outer box body (1).
3. An automatic recovery system for natural heat utilizing heat collecting plates as claimed in claim 1, wherein: the solar photovoltaic panel (7) is electrically connected with the storage battery (10), and the storage battery (10) is fixedly connected to the bottom end inside the outer box body (1).
4. An automatic recovery system for natural heat utilizing heat collecting plates as claimed in claim 1, wherein: the outer side of the door plate (3) is fixedly connected with a handle (11), and the handle (11) is made of an aluminum alloy material.
5. An automatic recovery system for natural heat utilizing heat collecting plates as claimed in claim 1, wherein: the storage battery (10) is electrically connected with the current transformer (8), and the current transformer (8) is electrically connected with the controller (9).
6. An automatic recovery system for natural heat utilizing heat collecting plates as claimed in claim 1, wherein: the outer box body (1) and the inner box body (2) are both made of steel plate materials.
7. An automatic recovery system for natural heat utilizing heat collecting plates as claimed in claim 1, wherein: the outer box body (1) is characterized in that a first groove (12) is formed in the bottom end of the front side of the outer box body, and the first heat collecting plate (4) is embedded in the first groove (12).
8. An automatic recovery system for natural heat utilizing heat collecting plates as claimed in claim 1, wherein: the outer box body (1) is provided with second grooves (13) on two sides, the second heat collecting plates (5) are arranged inside the second grooves (13), and the second heat collecting plates (5) are rotatably connected with the outer box body (1) through hinges.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011394708.1A CN112378093A (en) | 2020-12-03 | 2020-12-03 | Automatic recovery system for natural energy heat utilization heat collection plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011394708.1A CN112378093A (en) | 2020-12-03 | 2020-12-03 | Automatic recovery system for natural energy heat utilization heat collection plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112378093A true CN112378093A (en) | 2021-02-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011394708.1A Pending CN112378093A (en) | 2020-12-03 | 2020-12-03 | Automatic recovery system for natural energy heat utilization heat collection plate |
Country Status (1)
| Country | Link |
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| CN (1) | CN112378093A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112815577A (en) * | 2021-02-22 | 2021-05-18 | 山西维斯塔清洁能源股份有限公司 | Polymorphic cold and warm heat recycling device based on natural energy heat utilization system |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202734267U (en) * | 2012-08-02 | 2013-02-13 | 广州星辰热能科技有限公司 | Solar heat pump system |
| CN104482664A (en) * | 2014-12-14 | 2015-04-01 | 天津芯之铠热管理技术研发有限公司 | Novel low-energy consumption solar low-temperature water heater |
| CN205227847U (en) * | 2015-12-02 | 2016-05-11 | 天津滨海光热反射技术有限公司 | Surface reflection mirror is thrown to solar energy |
| CN110068144A (en) * | 2019-03-06 | 2019-07-30 | 青岛经济技术开发区海尔热水器有限公司 | Solar-air energy composite evaporator, control method and heat pump water heater |
| CN210605478U (en) * | 2019-08-22 | 2020-05-22 | 上海勇绿新能源有限公司 | Solar generator with tracking function |
| CN111865187A (en) * | 2020-06-27 | 2020-10-30 | 同济大学 | An expandable photovoltaic power generation box |
| CN213657152U (en) * | 2020-12-03 | 2021-07-09 | 山西维斯塔清洁能源股份有限公司 | Automatic recovery system for natural energy heat utilization heat collection plate |
-
2020
- 2020-12-03 CN CN202011394708.1A patent/CN112378093A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202734267U (en) * | 2012-08-02 | 2013-02-13 | 广州星辰热能科技有限公司 | Solar heat pump system |
| CN104482664A (en) * | 2014-12-14 | 2015-04-01 | 天津芯之铠热管理技术研发有限公司 | Novel low-energy consumption solar low-temperature water heater |
| CN205227847U (en) * | 2015-12-02 | 2016-05-11 | 天津滨海光热反射技术有限公司 | Surface reflection mirror is thrown to solar energy |
| CN110068144A (en) * | 2019-03-06 | 2019-07-30 | 青岛经济技术开发区海尔热水器有限公司 | Solar-air energy composite evaporator, control method and heat pump water heater |
| CN210605478U (en) * | 2019-08-22 | 2020-05-22 | 上海勇绿新能源有限公司 | Solar generator with tracking function |
| CN111865187A (en) * | 2020-06-27 | 2020-10-30 | 同济大学 | An expandable photovoltaic power generation box |
| CN213657152U (en) * | 2020-12-03 | 2021-07-09 | 山西维斯塔清洁能源股份有限公司 | Automatic recovery system for natural energy heat utilization heat collection plate |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112815577A (en) * | 2021-02-22 | 2021-05-18 | 山西维斯塔清洁能源股份有限公司 | Polymorphic cold and warm heat recycling device based on natural energy heat utilization system |
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Application publication date: 20210219 |
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