CN108413618B - A kind of solar thermal collector and solar water heater of homogeneous heating - Google Patents

A kind of solar thermal collector and solar water heater of homogeneous heating Download PDF

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Publication number
CN108413618B
CN108413618B CN201810181668.9A CN201810181668A CN108413618B CN 108413618 B CN108413618 B CN 108413618B CN 201810181668 A CN201810181668 A CN 201810181668A CN 108413618 B CN108413618 B CN 108413618B
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air
pipe
solar
metal tube
vacuum heat
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CN108413618A (en
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李春花
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Anhui Renren Group Co., Ltd.
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Anhui Renren Group Co Ltd
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/40Solar thermal energy, e.g. solar towers
    • Y02E10/44Heat exchange systems

Abstract

The invention discloses a kind of solar thermal collectors of homogeneous heating, the solar thermal collector includes the solar vacuum heat-collecting pipe of frame and more side by side parallel being arranged in frame arrangement, the frame includes the side plate of top plate and bottom plate and two sides, it is provided with the corresponding jack for across the solar vacuum heat-collecting pipe on the top plate and bottom plate, is provided with the sleeve gasket matched with the solar vacuum heat-collecting pipe in each described jack.

Description

A kind of solar thermal collector and solar water heater of homogeneous heating
Technical field
The present invention relates to field of solar energy, and in particular to a kind of solar thermal collector and solar water of homogeneous heating Device.
Background technique
Since oil price is unstable and the limitation etc. of climate change agreement, the importance of new renewable energy become larger.It can be again The raw energy includes solar heat, sunlight, biomass energy, wind-force, small power station, underground heat, ocean energy and waste energy etc., and new energy Source includes fuel cell, liquefaction coal, gasification coal and Hydrogen Energy.Problem is sent out from new renewable energy, particularly sunlight The cost of electricity is not up to the power grid par for being equal to the cost of traditional thermal power generation using fossil fuel.But with technology Progress persistently reduces in cost of electricity-generating from the solar thermal power generation of the solar thermal power generation in new renewable energy, and Generating efficiency is being gradually increased.
Solar energy is converted into thermal energy and relies primarily on heat collector.At present solar thermal collector mainly have vacuum tube collector, Heat pipe collector and three kinds of vacuum flat plate collector.
The solar thermal collector of existing domestic solar water heater, during flowing in evacuated collector tube by water Heat is absorbed, since evacuated collector tube is cylindrical-shaped structure, the solar energy irradiation in each face is uneven, therefore, causes at it The uneven heating of the medium water of interior flowing is even, causes the coolant-temperature gage finally stored into boiler uneven, there are portion temperatures Therefore inadequate relatively cold water be easy to cause hot water temperature not reach requirement, and in winter, environment temperature is relatively low, general in the north All over environment temperature in subzero, since the evacuated collector tube of solar thermal collector is arranged at outdoor, then vacuum heat-collecting tube capacity Easy bursting by freezing causes water flow to lose and becomes ice, is further exacerbated by bursting by freezing, causes vicious circle, therefore, existing solar thermal collector There are the risk of bursting by freezing, safety is relatively low.
Summary of the invention
The object of the invention is that being lacked to solve the non-uniform technology of evacuated collector tube thermal-arrest of solar thermal collector It falls into, the solar thermal collector and solar water heater of a kind of homogeneous heating is provided, it is growing to fine life to meet people Expectation living.
To achieve the above object, the present invention provides following technical schemes:
A kind of solar thermal collector of homogeneous heating provided by the invention, which is characterized in that the solar thermal collector packet Include frame and be arranged in the frame more side by side parallel arrangement solar vacuum heat-collecting pipe, the frame include top Plate, bottom plate and the side plate of two sides are provided with corresponding for across described solar energy evacuated on the top plate and bottom plate The jack of thermal-collecting tube is provided with the sleeve gasket matched with the solar vacuum heat-collecting pipe in each described jack;
The each solar vacuum heat-collecting pipe includes outer glass pipe and inner metal tube, the solar energy vacuum heat collecting The cross section of pipe is " D " shape, and the outer glass pipe is coated on the outside of the inner metal tube, the outer glass in the form of half cladding Pipe does not coat the in the shade side one side of the inner metal tube, and the in the shade side of the inner metal tube is planar shaped on one side, in the outer glass Vacuum interlayer is formed between glass pipe and the inner metal tube of its cladding, the both ends sealing of the outer glass pipe is welded in described On the both ends side wall of metal tube, the entrance of each solar vacuum heat-collecting pipe is located at lower end, and outlet is located at upper end;
Be provided at least two ∩ type inner groovies in the plane of the in the shade side of each inner metal tube, it is described at least Two ∩ type inner groovies are mutually arranged, and a corresponding ∩ type air is respectively arranged in ∩ type inner groovy described in each Branch pipe is provided with multiple axis along the air branch pipe in the side towards the inner groovy of each air branch pipe The air hole for the non-spaced set that line direction extends, the spacing between multiple air holes is along the air branch pipe Axis direction first become smaller and become larger afterwards, be provided in the inner groovy multiple corresponding with air hole described in each respectively Air hole, be inserted into an air nozzle respectively in each air hole air corresponding with described in its hole, it is described Air nozzle one end connects the air in the air branch pipe, and the other end is inserted into the inner metal tube, and is located at the interior gold One end outlet edge belonged in pipe is set as fold shape edge;
The each ∩ type air branch pipe includes the two legs Bu " ∣ of lower end " and curved portion " ⌒ " positioned at upper end, It is provided with baffle in the middle part of the curved portion " ⌒ " of upper end, its internal closing is separated, two legs Bu " ∣ " it is air intake, point Not Lian Jie air main pipe, the air main pipe is arranged in the lower part of the frame, and the extending direction of the air main pipe and every The extending direction of a piece solar vacuum heat-collecting pipe is perpendicular, passes through fixed dress in the rear side of each air branch pipe It sets and linear slot type reflecting mirror is installed, each air branch pipe is located at the focal position of the linear slot type reflecting mirror;
Having heaters is set in the import of the air main pipe, cold air enters after becoming hot-air by the heater The air main pipe, and each air branch pipe is distributed to along the air main pipe;
It further include controller, the controller can control the start and stop of the heater, in each air branch pipe It is inside provided with temperature sensor one, is additionally provided in the corresponding linear slot type mirror edge of each air branch pipe photosensitive Device, the controller is electrically connected the temperature sensor one and the photoreceptor, when the photoreceptor that controller receives has Signal, and when the temperature value of temperature sensor one is greater than preset temperature value, the controller controls the heater and closes, and works as institute State controller do not receive the photoreceptor signal or temperature sensor one temperature value be less than the preset temperature value when, The controller controls the heater starting.
Preferably, the heater is electric heater, and electric heating wire is arranged in the electric heater.
It preferably, further include the temperature sensor two being arranged in the inner metal tube, the temperature sensor two and institute State controller electrical connection.
Preferably, the air nozzle is decrement nozzle, and the cross-sectional area for being located at one end in the air branch pipe is big Cross-sectional area in the one end being located in the inner metal tube.
Preferably, the solar thermal collector is for further including cold water storage cistern, boiler and branch in solar water heater Frame, on the bracket, the cold water storage cistern is located at the lower end of the bracket, the heat for the frame setting of the solar thermal collector Water tank is located at the upper end of the bracket, and the entrance of the solar vacuum heat-collecting pipe of the solar thermal collector connects the cold water The outlet of case, the solar vacuum heat-collecting pipe connects the boiler.
Beneficial effect is:
(1) the in the shade side of the inner metal tube of each solar vacuum heat-collecting pipe is provided with air branch pipe, so that Hot-air after heating is injected directly into the inner metal tube, carries out heating and flow-disturbing to the medium water in it, so that Medium water in it is uniformly mixed, and the temperature for carrying on the back positive side and day side is uniform, meanwhile, hot-air can be directly mixed with medium water It closes, directly water is heated, improves its heating efficiency;
(2) outlet edge of each air branch pipe is provided with fold shape outer edge, on the one hand, by the way that fold is arranged When so that medium water flowing through the fold shape outer edge, fold shape outer edge can be arranged by flow-disturbing, on the other hand in shape outer edge, When hot-air is sprayed via the outlet, it is easily formed bubble, improves its bubbling type, and the flow-disturbing effect of bubble shape air is obvious, Its heating efficiency can be further increased.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with It obtains other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of solar thermal collector of the invention;
Fig. 2 is the structural schematic diagram of any solar vacuum heat-collecting pipe of the invention;
Fig. 3 is the in the shade face structural schematic diagram of any solar vacuum heat-collecting pipe of the invention;
Fig. 4 is the schematic cross-section of any solar vacuum heat-collecting pipe of the invention;
Fig. 5 is the structural schematic diagram of air main pipe and air branch pipe of the invention.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, technical solution of the present invention will be carried out below Detailed description.Obviously, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Base Embodiment in the present invention, those of ordinary skill in the art are obtained all without making creative work Other embodiment belongs to the range that the present invention is protected.
Referring to shown in Fig. 1-Fig. 5, a kind of solar thermal collector of homogeneous heating provided by the invention, which is characterized in that institute State the solar energy evacuated collection that solar thermal collector includes frame 1 and more side by side parallel being arranged in the frame 1 arrangement Heat pipe 2, the frame 1 include the side plate 5 of top plate 3, bottom plate 4 and two sides, are provided on the top plate 3 and bottom plate 4 opposite That answers is used for the jack 6 across the solar vacuum heat-collecting pipe 2, is provided with and the sun in each described jack 6 The sleeve gasket (not shown) that energy evacuated collector tube 2 matches;
The each solar vacuum heat-collecting pipe 2 includes outer glass pipe 7 and inner metal tube 8, described solar energy evacuated The cross section of thermal-collecting tube 2 is " D " shape, and the outer glass pipe 7 is coated on the outside of the inner metal tube 8, institute in the form of half cladding The in the shade side one side that outer glass pipe 7 does not coat the inner metal tube 8 is stated, the in the shade side of the inner metal tube 8 is planar shaped on one side, Vacuum interlayer 9 is formed between the outer glass pipe 7 and the inner metal tube 8 of its cladding, the both ends of the outer glass pipe 7 are molten Envelope is welded on the both ends side wall of the inner metal tube 8, and the entrance of each solar vacuum heat-collecting pipe 2 is located at lower end, Outlet is located at upper end;
At least two ∩ type inner groovies 10 are provided in the plane of the in the shade side of each inner metal tube 8, it is described At least two ∩ type inner groovies 10 are mutually arranged, be respectively arranged in ∩ type inner groovy 10 described in each one it is corresponding ∩ type air branch pipe 11 is provided with multiple along described in the side towards the inner groovy of each air branch pipe 11 The air hole 12 for the non-spaced set that the axis direction of air branch pipe 11 extends, between multiple air holes 12 between First become smaller away from the axis direction along the inner metal tube and become larger afterwards, be provided in the inner groovy 10 it is multiple respectively with it is each A 12 corresponding air hole (not shown) of the air hole, it is corresponding with described in its in each described air hole 12 Air hole in be inserted into an air nozzle (not shown) respectively, described air nozzle one end connects in the air branch pipe 11 Air, the other end are inserted into the inner metal tube 8, and one end outlet edge being located in the inner metal tube is set as fold shape Edge;
Each ∩ type air branch pipe 11 includes the two legs Bu " ∣ of lower end " and curved portion positioned at upper end " ⌒ " is provided with baffle 13 in the middle part of the curved portion " ⌒ " of upper end, its internal closing is separated, two legs Bu " ∣ " it is air Entrance, is separately connected air main pipe 14, and the lower part of the frame 1, and the air main pipe 14 is arranged in the air main pipe 14 Extending direction and each solar vacuum heat-collecting pipe 2 extending direction it is perpendicular, in each air branch pipe 11 rear side is equipped with linear slot type reflecting mirror (not shown) by fixed device, and each air branch pipe 11 is located at The focal position of the linear slot type reflecting mirror;
Having heaters 15 is set in the import of the air main pipe 14, after cold air becomes hot-air by the heater The each air branch pipe is distributed into the air main pipe, and along the air main pipe;
It further include controller, the controller can control the start and stop of the heater, in each air branch pipe It is inside provided with temperature sensor one, is additionally provided in the corresponding linear slot type mirror edge of each air branch pipe photosensitive Device, the controller is electrically connected the temperature sensor one and the photoreceptor, when the photoreceptor that controller receives has Signal, and when the temperature value of temperature sensor one is greater than preset temperature value, the controller controls the heater and closes, and works as institute State controller do not receive the photoreceptor signal or temperature sensor one temperature value be less than the preset temperature value when, The controller controls the heater starting.
Preferably, the heater is electric heater, and electric heating wire is arranged in the electric heater.
It preferably, further include the temperature sensor two being arranged in the inner metal tube, the temperature sensor two and institute State controller electrical connection.
Preferably, the air nozzle is decrement nozzle, and the cross-sectional area for being located at one end in the air branch pipe is big Cross-sectional area in the one end being located in the inner metal tube.
Preferably, the solar thermal collector is for further including cold water storage cistern, boiler and branch in solar water heater Frame, on the bracket, the cold water storage cistern is located at the lower end of the bracket, the heat for the frame setting of the solar thermal collector Water tank is located at the upper end of the bracket, and the entrance of the solar vacuum heat-collecting pipe of the solar thermal collector connects the cold water The outlet of case, the solar vacuum heat-collecting pipe connects the boiler.
Beneficial effect is:
(1) the in the shade side of the inner metal tube of each solar vacuum heat-collecting pipe is provided with air branch pipe, so that Hot-air after heating is injected directly into the inner metal tube, carries out heating and flow-disturbing to the medium water in it, so that Medium water in it is uniformly mixed, and the temperature for carrying on the back positive side and day side is uniform, meanwhile, hot-air can be directly mixed with medium water It closes, directly water is heated, improves its heating efficiency;
(2) outlet edge of each air branch pipe is provided with fold shape outer edge, on the one hand, by the way that fold is arranged When so that medium water flowing through the fold shape outer edge, fold shape outer edge can be arranged by flow-disturbing, on the other hand in shape outer edge, When hot-air is sprayed via the outlet, it is easily formed bubble, improves its bubbling type, and the flow-disturbing effect of bubble shape air is obvious, Its heating efficiency can be further increased.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain Lid is within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.

Claims (5)

1. a kind of solar thermal collector of homogeneous heating, which is characterized in that the solar thermal collector includes frame and setting The solar vacuum heat-collecting pipe of more side by side parallel arrangement in the frame, the frame includes top plate and bottom plate and two The side plate of side is provided with the corresponding jack for across the solar vacuum heat-collecting pipe on the top plate and bottom plate, The sleeve gasket matched with the solar vacuum heat-collecting pipe is provided in each described jack;
The each solar vacuum heat-collecting pipe includes outer glass pipe and inner metal tube, the solar vacuum heat-collecting pipe Cross section is " D " shape, and the outer glass pipe is coated on the outside of the inner metal tube in the form of half cladding, and the outer glass pipe is not The in the shade side one side of the inner metal tube is coated, the in the shade side of the inner metal tube is planar shaped on one side, in the outer glass pipe Vacuum interlayer is formed between the inner metal tube of cladding described in its, the both ends sealing of the outer glass pipe is welded on the interior metal On the both ends side wall of pipe, the entrance of each solar vacuum heat-collecting pipe is located at lower end, and outlet is located at upper end;
It is provided at least two ∩ type inner groovies in the plane of the in the shade side of each inner metal tube, described at least two ∩ type inner groovy is mutually arranged, and a corresponding ∩ type air branch is respectively arranged in ∩ type inner groovy described in each Pipe, is provided with multiple axis along the air branch pipe in the side towards the inner groovy of each air branch pipe The air hole for the non-spaced set that direction extends, the spacing between multiple air holes is along the air branch pipe Axis direction first becomes smaller to become larger afterwards, is provided in the inner groovy multiple corresponding with air hole described in each respectively An air nozzle, the sky are inserted into each air hole air corresponding with described in its hole in air hole respectively Gas jets one end connects the air in the air branch pipe, and the other end is inserted into the inner metal tube, and is located at the interior metal One end outlet edge in pipe is set as fold shape edge;
The each ∩ type air branch pipe includes the two legs Bu " ∣ of lower end " and curved portion " ⌒ " positioned at upper end, upper end Curved portion " ⌒ " in the middle part of be provided with baffle, its internal closing is separated, two legs Bu " ∣ " be air intake, connect respectively Air main pipe is connect, the lower part of the frame, and the extending direction of the air main pipe and each is arranged in the air main pipe The extending direction of the solar vacuum heat-collecting pipe is perpendicular, passes through fixed device peace in the rear side of each air branch pipe Equipped with linear slot type reflecting mirror, each air branch pipe is located at the focal position of the linear slot type reflecting mirror;
Having heaters is set in the import of the air main pipe, described in cold air becomes entering after hot-air by the heater Air main pipe, and each air branch pipe is distributed to along the air main pipe;
It further include controller, the controller can control the start and stop of the heater, set in each air branch pipe It is equipped with temperature sensor one, is additionally provided with photoreceptor in the corresponding linear slot type mirror edge of each air branch pipe, The controller is electrically connected the temperature sensor one and the photoreceptor, when the photoreceptor that controller receives has letter Number, and when the temperature value of temperature sensor one is greater than preset temperature value, the controller controls the heater and closes, when described When the temperature value of signal or temperature sensor one that controller does not receive the photoreceptor is less than the preset temperature value, institute It states controller and controls the heater starting.
2. the solar thermal collector of homogeneous heating according to claim 1, the heater is electric heater, and the electricity adds Electric heating wire is set in hot device.
3. the solar thermal collector of homogeneous heating according to claim 1 further includes being arranged in the inner metal tube Temperature sensor two, the temperature sensor two are electrically connected with the controller.
4. the solar thermal collector of homogeneous heating according to claim 1, the air nozzle is decrement nozzle, is located at The cross-sectional area of one end in the air branch pipe is greater than the cross-sectional area of the one end being located in the inner metal tube.
5. a kind of solar water heater comprising the solar energy heating of homogeneous heating according to claim 1-4 Device, further includes cold water storage cistern, boiler and bracket, and the frame setting of the solar thermal collector is on the bracket, described cold Water tank is located at the lower end of the bracket, and the boiler is located at the upper end of the bracket, the solar energy of the solar thermal collector The entrance of evacuated collector tube connects the cold water storage cistern, and the outlet of the solar vacuum heat-collecting pipe connects the boiler.
CN201810181668.9A 2018-03-06 2018-03-06 A kind of solar thermal collector and solar water heater of homogeneous heating Active CN108413618B (en)

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CN201810181668.9A CN108413618B (en) 2018-03-06 2018-03-06 A kind of solar thermal collector and solar water heater of homogeneous heating

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Application Number Priority Date Filing Date Title
CN201810181668.9A CN108413618B (en) 2018-03-06 2018-03-06 A kind of solar thermal collector and solar water heater of homogeneous heating

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CN108413618B true CN108413618B (en) 2019-07-09

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JPS6026245A (en) * 1983-07-21 1985-02-09 Nepon Kk Solar heat collector
DE19925531A1 (en) * 1999-06-04 2000-12-07 Inst Luft Kaeltetech Gem Gmbh Thermal solar collector has glass tubes joined at top and bottom by distributor and liquid component collector respectively, further inlet and outlet openings for gaseous components
CN201652889U (en) * 2009-11-28 2010-11-24 苗东升 Combined type solar vacuum heat-collecting tube
KR101162988B1 (en) * 2012-05-03 2012-07-09 안익로 A solar heat collector and a solar heat collecting system comprising the same
CN203258913U (en) * 2013-04-11 2013-10-30 蚌埠市智峰科技有限公司 Solar heat collection panel structure
CN104713254B (en) * 2013-12-16 2017-10-24 南京化工职业技术学院 Spiral flow hot water heating air water tank
CN204612193U (en) * 2015-04-15 2015-09-02 伯恩太阳能科技有限公司 A kind of heat collector
CN106918148A (en) * 2015-12-24 2017-07-04 南京科技职业学院 Straight-through vacuum tube air circulation water heater

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Effective date of registration: 20190612

Address after: 233000 No. 32, 33-38, 5-2 buildings of Jinsanli Agricultural and Trade Market, Bengbu City, Anhui Province

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Address before: 450012 No. 81 Nanyang Road, Jinshui District, Zhengzhou City, Henan Province

Applicant before: Li Chunhua

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