CN110375440A - Heat-insulated panel solar air collector outside top and periphery - Google Patents
Heat-insulated panel solar air collector outside top and periphery Download PDFInfo
- Publication number
- CN110375440A CN110375440A CN201910661185.3A CN201910661185A CN110375440A CN 110375440 A CN110375440 A CN 110375440A CN 201910661185 A CN201910661185 A CN 201910661185A CN 110375440 A CN110375440 A CN 110375440A
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- 239000004926 polymethyl methacrylate Substances 0.000 claims abstract description 34
- 229920003229 poly(methyl methacrylate) Polymers 0.000 claims abstract description 32
- 239000012528 membrane Substances 0.000 claims abstract description 6
- 210000004276 hyalin Anatomy 0.000 claims abstract description 5
- 230000000694 effects Effects 0.000 claims description 10
- 230000001413 cellular effect Effects 0.000 claims description 8
- 239000012530 fluid Substances 0.000 claims description 8
- 239000012774 insulation material Substances 0.000 claims description 6
- 230000005855 radiation Effects 0.000 claims description 5
- 230000006978 adaptation Effects 0.000 claims description 4
- 238000011144 upstream manufacturing Methods 0.000 claims description 3
- 230000006835 compression Effects 0.000 claims description 2
- 238000007906 compression Methods 0.000 claims description 2
- 150000004702 methyl esters Chemical class 0.000 claims description 2
- 239000002699 waste material Substances 0.000 abstract description 6
- 238000010438 heat treatment Methods 0.000 abstract description 5
- 238000009413 insulation Methods 0.000 abstract description 4
- 239000002689 soil Substances 0.000 abstract description 4
- 238000004146 energy storage Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000001035 drying Methods 0.000 abstract description 2
- 230000002093 peripheral effect Effects 0.000 abstract description 2
- 230000001681 protective effect Effects 0.000 abstract description 2
- 238000005728 strengthening Methods 0.000 abstract 1
- 229920003023 plastic Polymers 0.000 description 10
- 239000004033 plastic Substances 0.000 description 10
- 239000000463 material Substances 0.000 description 9
- 230000005540 biological transmission Effects 0.000 description 7
- 239000005357 flat glass Substances 0.000 description 7
- 239000011521 glass Substances 0.000 description 5
- 239000006096 absorbing agent Substances 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 150000002148 esters Chemical class 0.000 description 2
- 229920002313 fluoropolymer Polymers 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000011261 inert gas Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 210000003205 muscle Anatomy 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 238000007605 air drying Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000011796 hollow space material Substances 0.000 description 1
- 238000000338 in vitro Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
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- MEYZYGMYMLNUHJ-UHFFFAOYSA-N tunicamycin Natural products CC(C)CCCCCCCCCC=CC(=O)NC1C(O)C(O)C(CC(O)C2OC(C(O)C2O)N3C=CC(=O)NC3=O)OC1OC4OC(CO)C(O)C(O)C4NC(=O)C MEYZYGMYMLNUHJ-UHFFFAOYSA-N 0.000 description 1
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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S80/00—Details, accessories or component parts of solar heat collectors not provided for in groups F24S10/00-F24S70/00
- F24S80/50—Elements for transmitting incoming solar rays and preventing outgoing heat radiation; Transparent coverings
- F24S80/52—Elements for transmitting incoming solar rays and preventing outgoing heat radiation; Transparent coverings characterised by the material
- F24S80/525—Elements for transmitting incoming solar rays and preventing outgoing heat radiation; Transparent coverings characterised by the material made of plastics
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S80/00—Details, accessories or component parts of solar heat collectors not provided for in groups F24S10/00-F24S70/00
- F24S80/50—Elements for transmitting incoming solar rays and preventing outgoing heat radiation; Transparent coverings
- F24S80/56—Elements for transmitting incoming solar rays and preventing outgoing heat radiation; Transparent coverings characterised by means for preventing heat loss
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S80/00—Details, accessories or component parts of solar heat collectors not provided for in groups F24S10/00-F24S70/00
- F24S80/60—Thermal insulation
- F24S80/65—Thermal insulation characterised by the material
-
- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/20—Solar thermal
-
- 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
Landscapes
- 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)
- Photovoltaic Devices (AREA)
Abstract
The invention discloses panel solar air collectors heat-insulated outside a kind of top and periphery, it is surrounded by frame, bottom is equipped with bottom plate, top is equipped with transparent cover plate, frame, bottom plate and transparent cover plate surround to form space body, solar energy heating structure and heat passage are equipped in space body, the both ends of heat passage are connected to outside space body, are additionally provided with polymethyl methacrylate film；Polymethyl methacrylate film is hyaline membrane, and at least one layer, extending direction is parallel with the plane of transparent cover plate, the outside for being fixed on transparent cover plate of tensioning.The beneficial effects of the present invention are: the inexpensive peripheral protective insulation for strengthening flat-plate solar collector in different ways, reduce heat waste, it is improved heat collector hot property, meets solar building, solar energy drying and requirement of across the season soil energy storage to heat collector hot property.
Description
Technical field
The present invention relates to technical field of solar, heat-insulated panel solar air collection outside specifically a kind of top and periphery
Hot device.
Background technique
The appearance of selective solar absorbing film has greatly reduced the radiation heat loss at the top of flat-plate solar collector
It loses, but top convection heat losses are high, is still the main reason for heat waste is big at the top of flat-plate solar collector, becomes raising
The major obstacle of flat-plate solar collector hot property.Thus vast solar energy worker for a long time, to how solving this
Problem has carried out a large amount of research, proposes a variety of solutions and scheme, to inhibit the convection current heat waste of the headspace.It is led
To want problem be top transparent cap rock, and there is the conflicting of light transmission and insulation, so be always insulated seeking a kind of i.e. light transmission again
Material or composition.
Until up to now, mainly there are 1) double cover transparent sheet glass, 2) add heatproof fluoroplastics in cover transparent sheet glass inner side
Flat membrane, 3) add heatproof fluoroplastics V-arrangement film in cover transparent sheet glass inner side, 4) increase glass tube bee in cover transparent sheet glass inner side
Nest, 5) add PP honeycomb in cover transparent sheet glass inner side, 6) add lateral isolation item in cover transparent sheet glass inner side, 7) by cover transparent sheet
Be made into sealing space between absorber plate and fill plus inert gas, 8) cover transparent sheet is formed using transparent vacuum glass tube, 9)
On solid matter vacuum tube again plus one layer of plate glass, 10) this transparent and heat-insulating material using aeroge.
For example, Chinese patent literature CN205843075U, on December 28th, 2016, disclose that " diaphragm type large area is flat
Board heat collector ", including heat collector frame shell, backboard, bottom insulating layer, side insulating layer, plate core flow-path tube group, absorber plate and height
Light transmission film, transparent glass cover board, bottom insulating layer are installed in the cavity bottom of heat collector frame shell, the assembling of plate core flow-path tube
It is located at the top of bottom insulating layer, the both ends of plate core flow-path tube group are respectively equipped with the runner for reaching heat collector frame hull outside
Interface tube, absorber plate are located at the top of plate core flow-path tube group and in close contact therewith to thermal contact conductance, transparent glass cover board dress
It is located at the top for the cover board frame being fixedly connected with heat collector frame shell, top and the cover board frame of heat collector frame shell
Light transmission film, light transmission film and cover board frame are equipped between bottom and transparent cover plate surrounds hollow sealing cavity jointly.This application
People declares.Its heat waste that can reduce heat collector and the weight for effectively reducing heat collector, convenient for the in-site installation of heat collector,
Increase the integral light-transmitting rate of heat collector.
Common issue existing for all above schemes be 1) flat plate collector air drying when equilibrium temperature it is higher, reach 200 DEG C
Left and right, inside the material that uses need heatproof, thus cost is very high, 2) use heatproof honeycomb, not single at high cost, structure is multiple
Miscellaneous, further increase cost, 3) overhead seals filling with inert gas, and cost is higher, and its performance is easy to fail, and 4) with saturating
Bright vacuum tube composition cap rock be also it is at high cost, keep transmitance lower.5) using aeroge technically really very well, but at present at
Ben Taigao also embarrasses flat panel products to be received.
In view of the above, evade material and bear high temperature, be exactly a value using heat radiating construction is installed additional outside cover transparent sheet
The approach that must be inquired into.There can be the multiple choices such as more air space hyaline membranes, hollow transparent plate, transparent honeycomb.
And face clean energy resource heating, among a kind of across season soil energy storage technology is being bred, need it is a kind of can generate compared with
The plate type solar air collector of high-temperature hot wind, thus release heat-insulated panel solar air outside a kind of top and periphery
Heat collector just becomes the task of top priority.
Summary of the invention
Based on problem above, the present invention provides panel solar air collector heat-insulated outside a kind of top and periphery, can
With the effect for preventing heat leakage of low cost, the thermal efficiency of heat collector is improved, the utilization rate of solar energy is improved, is conducive to the plate sun
The large-scale promotion application of energy air collector.
In order to realize goal of the invention, the present invention adopts the following technical scheme: plate heat-insulated outside a kind of top and periphery is too
Positive energy air collector is surrounded by frame, and bottom is equipped with bottom plate, and top is equipped with transparent cover plate, frame, bottom plate and transparent cover plate
It surrounds to form space body, solar energy heating structure and heat passage is equipped in space body, the both ends of heat passage are connected to space
In vitro, it is additionally provided with polymethyl methacrylate film；Polymethyl methacrylate film is hyaline membrane, at least one layer, is extended
Direction is parallel with the plane of transparent cover plate, the outside for being fixed on transparent cover plate of tensioning.
Polymethyl methacrylate have good far infrared blocking effect, can by panel solar air collector to
The heat radiation barrier of top outer is fallen, and the heat loss of position is substantially reduced.Polymethyl methacrylate film and thermal-arrest
Spacing between device top transparent cover board by those skilled in the art according to the technological requirements, device parameter etc. decides in its sole discretion.
Preferably, the visible transparency of the polymethyl methacrylate film be more than or equal to 92%, density be less than etc.
In 1.18 g/cc, can stop to be greater than 2800nm, the far infrared radiation transmission less than 25000nm.Polymethyl methacrylate film
Double action with transmission sunlight and barrier far infrared, and it is exposed to outside, directly contacts with ambient atmosphere, by extraneous gas
It needs to meet the needs of multiple angles as the influence of condition, therefore to the selection of its parameter.
Preferably, opposite frame upper end is detachably and fixedly provided with film fixed structure；Film fixed structure includes that opening is small
Internal big film fixing groove, the interior adaptation of film fixing groove is chimeric film fixed pin；Film fixing groove extends along the extending direction of frame；Film
Fixed pin and film fixing groove inner wall clamp one end of polymethyl methacrylate film wherein.This programme gives poly- methyl-prop
The fixed form of e pioic acid methyl ester film: design has film fixed structure on the opposite face of frame, and film fixed structure includes that film is fixed
Slot and matched film fixed pin.By the cooperation sandwich relationship of film fixed pin and film fixing groove inner wall, by poly-methyl methacrylate
Wherein, film fixing groove extends along the extending direction of frame, in general, if transparent cover plate is that level is set for one end clamping of ester film
It sets, film fixing groove is with regard to horizontally extending.Film fixed structure is designed as removably, is to assemble and replace for convenience；
If not having to consider replacement, also can be used fixed.
Preferably, polymethyl methacrylate film is two layers.Polymethyl methacrylate film uses inside and outside two layers,
It can be further improved far infrared blocking effect, it is a greater degree of to reduce convection current heat waste.
There are two types of the specific structures of film fixed structure fixed clamp polymethyl methacrylate film: as preferably one of,
Film fixed structure includes the film fixed block for being removably set to opposite frame upper end；Film fixing groove is set on film fixed block, is opened
Mouthful direction is towards inside；Film fixed pin is elastic circlip, and elastic circlip is equipped with upper and lower two elastic strip, compresses under the effect of elasticity
It is connected between the two sidewalls up and down of film fixing groove, one layer of polymethyl methacrylate film is fixed in matching respectively.This programme is adopted
Elastic direction with the elastic circlip for having two elastic strips, elastic strip is up and down direction.Elastic strip one is connected to film and fixes
The upper side wall of slot, another is connected to the lower wall of film fixing groove, and abutting while is just thin by two layers of polymethyl methacrylate
Film is separately fixed at the upper and lower side-walls of film fixing groove.Film fixed block can by the modes such as bonding, clamping, bolt fastening with
Frame is fixed.The advantages of program is to facilitate operation.
As preferred two, film fixed structure includes 2 film fixed blocks being close to up and down, and film fixing groove is set to film fixed block
On；The outboard end of 2 film fixed blocks is all provided with jagged, and two notches are connected as dovetail groove；Opposite frame upper end is equipped with dovetail key,
Cooperate with the dovetail groove；Fixed protrusion has a film fixed pin on the abutting face of one of film fixed block, with another film
Film fixing groove on fixed block realizes cooperation；Film fixing groove on another film fixed block is matched with the realization of independent film fixed pin
It closes；Each film consolidates jacking block and fixes one layer of polymethyl methacrylate film respectively with the matching of the matching relationship of slot and pin.This programme
It is respectively corresponding to clamp a tunic using two film fixed blocks.And one of film fixed pin is designed as being set to for protrusion
On the abutting face of one of film fixed block, it is possible to reduce number of parts.The advantages of program is that structural strength is more preferable.It needs to infuse
Meaning can be by itself elasticity in the present solution, independent film fixed pin is the plastic cord etc. of the certain elasticity of radial tool
Cooperate with corresponding film fixing groove, realizes the fixation to polymethyl methacrylate film；And it is fixed on a film fixed block
Film fixed pin together can then be considered as protrusion in the muscle line on the film fixed block mating surface surface, and also radial direction has one
The plastic material of fixed elasticity, effect are the same.
Preferably, the film fixed pin is hollow plastic tube.The hollow material of plastic tube has good radially
Elasticity, if the film fixed block of cooperation plastic material, film fixed pin and the effect of film fixing groove cooperation clamping are ideal.
Since polymethyl methacrylate film is to be stretched in opposite frame upper end, generally require on the side at both ends
Frame is respectively provided with film fixed structure.Above two film fixed structure scheme can be selected only first, using at both ends, can also be two
End uses different film fixed structures.Specifically it can voluntarily select to determine by those skilled in the art.
Preferably, the lateral wall make-up of frame, which is sticked, thermal insulation material.Frame is also the place of heat leakage easy to form,
Frame should be thermally insulated.
Preferably, the thermal insulation material is heat-insulated cellular board；The lateral wall upper and lower sides of frame are equipped with clamping limit knot
Structure, heat-insulated cellular board are connected in clamping limit structure, are close to the lateral wall of frame.This programme design to frame carry out every
Heat treatment mode, heat-insulated cellular board are removably that one comes ease of assembly and update, second is that can need to select according to different
The material for selecting different parameters is matched.
Preferably, the inner surface protrusion of heat passage is equipped with flow-interfering bar；Flow-interfering bar extends perpendicularly to hot-fluid
Flow direction.High-temperature hot air flows in heat passage, and the part contacted with heat passage inner sidewall is by frictional force
Effect, flow velocity is slow, causes heat exchange in heat passage insufficient, influences the efficiency of solar energy utilization.The inner surface of heat passage
The flow-interfering bar of protrusion is devised, the flatness of heat passage inner sidewall can be destroyed, disturbance is formed to the air-flow of contact, breaks gas
Intrinsic layering is flowed, heat exchanger effectiveness is improved.
Preferably, the inner surface of heat passage is equipped with spoiler；Spoiler is sheet strip, and cross-sectional shape is straight
Line or arc, length direction extend along the width of heat passage inner sidewall；The root of spoiler be hot-fluid upstream side, end to
Hot-fluid downstream side tilts outward.The effect of spoiler is significantly rough air, keeps heat passage interior air-flow sufficiently mixed
It closes, eliminates heat exchange dead angle.
In conclusion the beneficial effects of the present invention are: inexpensive in different ways strengthen flat-plate solar collector
Peripheral protective insulation, reduce heat waste, be improved heat collector hot property, meet solar building, solar energy drying and across season soil
Requirement of the earth energy storage to heat collector hot property.Such as: solar energy air heat collector will be made when improving hot blast temperature
The soil storage temperature difference is bigger, thus the energy stored can be more.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention.
Fig. 2 is the portion the A enlarged drawing of Fig. 1.
Fig. 3 is the portion the B enlarged drawing of Fig. 2 in embodiment 1.
Fig. 4 is the portion the B enlarged drawing of Fig. 2 in embodiment 2.
Fig. 5 is the portion the C enlarged drawing of Fig. 1.
Wherein: 1 frame, 2 bottom plates, 3 transparent cover plates, 4 heat passages, 5 polymethyl methacrylate films, 60 films are fixed
Block, 61 film fixing grooves, 62 film fixed pins, 7 heat-insulated cellular boards, 8 flow-interfering bars, 9 spoilers.
Specific embodiment
The present invention will be further described with specific embodiment with reference to the accompanying drawing.
Embodiment 1
Embodiment 1 as shown in Figure 1 is panel solar air collector heat-insulated outside a kind of top and periphery.
As shown in Fig. 2, this heat collector is surrounded by frame 1, bottom is equipped with bottom plate 2, and top is consolidated by what gluing method sealed
Surely there is transparent cover plate 3, the transparent cover plate material of this example is glass.Frame, bottom plate and transparent cover plate surround to form rectangular shape
Space body, solar energy heating structure and heat passage 4 are equipped in space body, the both ends of heat passage are connected to outside space body.
Top in outside, that is, figure of transparent cover plate, what is be also tensioned is fixed with polymethyl methacrylate film 5.Poly-methyl methacrylate
Ester film is hyaline membrane, and parameter request visible transparency is more than or equal to 92%, and density is less than or equal to 1.18 g/cc, can stop
Far infrared radiation greater than 2800nm, less than 25000nm penetrates.In this example, polymethyl methacrylate film is upper layer and lower layer,
Extending direction is parallel with the plane of transparent cover plate.
Above the frame of the left and right sides of transparent cover plate, it is equipped with film fixed structure, is detachably and fixedly provided with film fixed block 60,
To fix one end of polymethyl methacrylate film.As shown in figure 3, the film fixed block in this example is fastened on left side by screw
Frame on, film fixed block is equipped with opening film fixing groove 61 to the right, and the fixed small inside of channel opening of film is big, and adaptation is embedding in slot
Conjunction has film fixed pin 62.The film fixed pin of this example is elastic circlip, and elastic circlip is equipped with upper and lower two elastic strip, under the effect of elasticity
Compression is connected between the two sidewalls up and down of film fixing groove, and one layer of polymethyl methacrylate film is fixed in matching respectively.Figure
It is shown as the film fixed structure in left side, right side is identical as left side structure.
The lateral wall make-up of frame is sticked and has thermal insulation material.The thermal insulation material of this example is the heat-insulated cellular board of plastic material,
With the advantage that light-weight, structure is strong, heat insulation effect is good, at low cost.Fixed heat-insulated cellular board is using connected structure: frame
Lateral wall upper and lower sides be equipped with clamping limiting slot, two clamping limit channel openings are opposite up and down, the upper and lower side point of heat-insulated cellular board
It is not connected in one of clamping limit channel opening, and is close to the lateral wall of frame.
As shown in figure 5, the inner surface protrusion of heat passage is equipped with flow-interfering bar 8；Flow-interfering bar extends perpendicularly to heat
Heat exchange is improved for destroying the flatness of inner surface of heat passage to break the intrinsic layering of air-flow in the flow direction of stream
Efficiency.The inner surface of heat passage is additionally provided with spoiler 9；Spoiler is sheet strip, and cross-sectional shape is linear, length
The width for spending direction along heat passage inner sidewall extends.The root of spoiler be hot-fluid upstream side, end to hot-fluid downstream side, to
Outside inclination, that is, the upper right illustrated.The effect of spoiler is the air-flow significantly disturbed in heat passage, fills air-flow
Divide mixing, eliminates heat exchange dead angle.
Embodiment 2
Embodiment 2 is panel solar air collector heat-insulated at the top of another kind and outside periphery.
The heat collector of this example, it is different from the maximum of embodiment 1, it is that the film of fixed polymethyl methacrylate film is fixed
The difference of structure.
As shown in figure 4, the film fixed block of this example is 2 be close to up and down, material is plastics.The outside of 2 film fixed blocks
End is all provided with jagged, and two notches are connected as dovetail groove；The opposite frame upper end in left side is equipped with dovetail key, passes through dovetail groove and dovetail
The fixation and disassembly of 2 film fixed blocks and frame are realized in the cooperation of key.The lower end surface of the film fixed block of top and the film of lower section are solid
The upper surface for determining block is close to, and protrusion integrated on the lower end surface of the film fixed block of top is connected with film fixed pin, the film at this place
Fixed pin is hollow plastic tube, radially there is favorable elasticity, the lower end of the film fixed block of the side tube wall and top of plastic tube
Face is fixed as one, and forms a muscle line of the lower end surface of the film fixed block of protrusion above.The upper end of the film fixed block of lower section
What corresponding position was recessed on face is equipped with film fixing groove, and film fixing groove upper end opening is small, and slot intracorporal geomery in lower section is circle
Shape, it is corresponding with film fixed pin adaptation, by the film fixed pin of top it is corresponding be connected to lower section film fixing groove in, the contact of the two
Face clamps one layer of polymethyl methacrylate film, may be implemented by stiction to lower layer's polymethyl methacrylate film
The fastening of end.The upper surface of the film fixed block of top is equipped with a film fixing groove, matches with an independent film fixed pin.Solely
Vertical film fixed pin is the hollow plastic pipe of the certain elasticity of radial tool, and the elasticity that again may be by itself is fixed with corresponding film
Slot cooperation, realizes the fixation to upper layer polymethyl methacrylate film.It is illustrated as the film fixed structure in left side, right side and left side
Structure is identical.
Remaining same embodiment 1.
Claims (10)
1. heat-insulated panel solar air collector, is surrounded by frame (1) outside a kind of top and periphery, bottom is equipped with bottom plate
(2), top is equipped with transparent cover plate (3), and frame, bottom plate and transparent cover plate surround to form space body, and solar energy is equipped in space body
Heat collection structure and heat passage (4), the both ends of heat passage are connected to outside space body, characterized in that are additionally provided with polymethyl
Sour methyl esters film (5)；Polymethyl methacrylate film is hyaline membrane, at least one layer, extending direction and transparent cover plate it is flat
Face is parallel, the outside for being fixed on transparent cover plate of tensioning.
2. heat-insulated panel solar air collector outside a kind of top according to claim 1 and periphery, characterized in that
The visible transparency of the polymethyl methacrylate film is more than or equal to 92%, and density is less than or equal to 1.18 g/cc, can hinder
Gear is greater than 2800nm, the far infrared radiation less than 25000nm penetrates.
3. heat-insulated panel solar air collector, feature outside a kind of top according to claim 1 or 2 and periphery
It is that opposite frame upper end is detachably and fixedly provided with film fixed structure；Film fixed structure includes that the big film in small inside that is open is fixed
Slot (61), the interior adaptation of film fixing groove is chimeric film fixed pin (62)；Film fixing groove extends along the extending direction of frame；Film fixed pin
One end of polymethyl methacrylate film is clamped wherein with film fixing groove inner wall.
4. heat-insulated panel solar air collector outside a kind of top according to claim 3 and periphery, characterized in that
Polymethyl methacrylate film is two layers.
5. heat-insulated panel solar air collector outside a kind of top according to claim 4 and periphery, characterized in that
Film fixed structure includes the film fixed block (60) for being removably set to opposite frame upper end；Film fixing groove is set to film fixed block
On, opening direction is towards inside；Film fixed pin is elastic circlip, and elastic circlip is equipped with upper and lower two elastic strip, under the effect of elasticity
Compression is connected between the two sidewalls up and down of film fixing groove, and one layer of polymethyl methacrylate film is fixed in matching respectively.
6. heat-insulated panel solar air collector outside a kind of top according to claim 4 and periphery, characterized in that
Film fixed structure includes 2 film fixed blocks (60) being close to up and down, and film fixing groove is set on film fixed block；2 film fixed blocks
Outboard end is all provided with jagged, and two notches are connected as dovetail groove；Opposite frame upper end is equipped with dovetail key, cooperates with the dovetail groove；
Fixed protrusion has a film fixed pin on the abutting face of one of film fixed block, fixes with the film on another film fixed block
Slot realizes cooperation；Film fixing groove and independent film fixed pin on another film fixed block, which are realized, to be cooperated；Each film consolidates jacking block point
One layer of polymethyl methacrylate film is not fixed with the matching of the matching relationship of slot and pin.
7. heat-insulated panel solar air collector, feature outside a kind of top according to claim 1 or 2 and periphery
It is that the lateral wall make-up of frame is sticked and has thermal insulation material.
8. heat-insulated panel solar air collector outside a kind of top according to claim 7 and periphery, characterized in that
The thermal insulation material is heat-insulated cellular board (7)；The lateral wall upper and lower sides of frame are equipped with clamping limit structure, heat-insulated honeycomb board
It connects in clamping limit structure, is close to the lateral wall of frame.
9. heat-insulated panel solar air collector, feature outside a kind of top according to claim 1 or 2 and periphery
It is that the inner surface protrusion of heat passage is equipped with flow-interfering bar (8)；The flow direction for extending perpendicularly to hot-fluid of flow-interfering bar.
10. heat-insulated panel solar air collector outside any top according to claim 1 or 2 and periphery,
It is characterized in, the inner surface of heat passage is equipped with spoiler (9)；Spoiler is sheet strip, and cross-sectional shape is straight line or arc
Shape, length direction extend along the width of heat passage inner sidewall；The root of spoiler is hot-fluid upstream side, and end is under hot-fluid
Trip side tilts outward.
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|---|---|
| CN110375440B (en) | 2024-06-28 |
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