CN103134224B - Tube plate type core device of flat-plate solar collector - Google Patents
Tube plate type core device of flat-plate solar collector Download PDFInfo
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- CN103134224B CN103134224B CN201310094337.9A CN201310094337A CN103134224B CN 103134224 B CN103134224 B CN 103134224B CN 201310094337 A CN201310094337 A CN 201310094337A CN 103134224 B CN103134224 B CN 103134224B
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- 238000010521 absorption reaction Methods 0.000 claims abstract description 63
- 238000005452 bending Methods 0.000 claims abstract description 11
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000000741 silica gel Substances 0.000 claims abstract description 7
- 229910002027 silica gel Inorganic materials 0.000 claims abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 37
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 9
- 229910052710 silicon Inorganic materials 0.000 claims description 9
- 239000010703 silicon Substances 0.000 claims description 9
- 238000005219 brazing Methods 0.000 claims description 3
- 238000012546 transfer Methods 0.000 abstract description 11
- 239000006096 absorbing agent Substances 0.000 abstract description 4
- 238000003780 insertion Methods 0.000 abstract 2
- 230000037431 insertion Effects 0.000 abstract 2
- 238000003466 welding Methods 0.000 description 11
- 238000010438 heat treatment Methods 0.000 description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical group [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 4
- 238000009413 insulation Methods 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 239000004411 aluminium Substances 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 229910000679 solder Inorganic materials 0.000 description 3
- RSWGJHLUYNHPMX-UHFFFAOYSA-N Abietic-Saeure Natural products C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- KHPCPRHQVVSZAH-HUOMCSJISA-N Rosin Natural products O(C/C=C/c1ccccc1)[C@H]1[C@H](O)[C@@H](O)[C@@H](O)[C@@H](CO)O1 KHPCPRHQVVSZAH-HUOMCSJISA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005476 soldering Methods 0.000 description 2
- KHPCPRHQVVSZAH-UHFFFAOYSA-N trans-cinnamyl beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OCC=CC1=CC=CC=C1 KHPCPRHQVVSZAH-UHFFFAOYSA-N 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 229920002943 EPDM rubber Polymers 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 230000003712 anti-aging effect Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000005336 safety glass Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- 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
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- Photovoltaic Devices (AREA)
Abstract
The invention discloses a tube plate type core device of a flat-plate solar collector and belongs to the technical field of flat-plate solar collectors. The tube plate type core device comprises a pair of round guide collecting tubes with large tube diameters, a plurality of heat absorption row tubes with small tube diameters and a flat-plate absorber plate with an absorption layer on the surface. The guide collecting tubes are provided with a plurality of connection rings which are arranged at intervals. The heat absorption row tubes are special-shaped tubes with flat top surfaces. Each heat absorption row tube has a longer main-body middle section and two shorter same-direction bending sections. A port of each bending section is provided with a round insertion port. The round insertion ports are respectively inserted in corresponding connection rings and are in brazed connection with the connection rings. The flat top surfaces of the heat absorption row tubes and the top edges of the guide collecting tubes are integrally located on the same plane. An ultrathin and continuous heat conduction silica gel layer is adhesively bonded on the back plane of the flat-plate absorber plate. By means of the technical scheme, the tube plate type core device is high in heat transfer property, no damage is caused to absorption films, bonding area is large and full contact is achieved, the flat-plate absorber plate is large in heat utilization area, and heat transfer is conducted evenly between tube plates.
Description
[technical field]
The tube-sheet type plate core device that the present invention relates to a kind of flat-plate solar collector, belongs to flat-plate solar collector technical field.
[background technology]
Plate core device is a core component in flat-plate solar collector, plays heat absorption, heat transfer effect, the good and bad hot property that directly determines flat-plate solar collector of its structure and performance.The flat-plate heat-absorbing plate that plate core device mainly has a solar selective absorbing film layer by heat absorption comb, water conservancy diversion collector and one side forms, and heat absorption comb, water conservancy diversion collector are welded to connect with flat-plate heat-absorbing plate, and welding manner can be divided into that laser spots is welded, ultrasonic bonding.
In the prior art, the heat absorption comb of tube-sheet type plate core device adopts circular copper pipe, flat-plate heat-absorbing plate is aluminium matter flat-plate heat-absorbing plate, heat absorption comb and flat-plate heat-absorbing plate touch formation contact wire, weld being connected of heat absorption comb and flat-plate heat-absorbing plate taking this contact wire as baseline and in the both sides of comb by laser spots, between solder joint, leave interval, circular heat absorption comb is linear contact with the contact area after flat-plate heat-absorbing plate welding in theory, contact area is little, this intermittence is welded the heat transfer forming and is connected to that to make in theory heat energy that flat-plate heat-absorbing plate absorbs be by being that theoretical contact wire and solder joint carry out heat conduction, the little heat transfer efficiency that causes of contact area is low, and in actual welding processing, the flatness defects that wider thinner flat-plate heat-absorbing plate is certain with the equal objective reality of circular heat absorption this two welding work pieces of comb, and welding is difficult to avoid occurring operate miss in batches, therefore the heat transfer property that is difficult to keep contact without stop between tube sheet and obtains homogeneous, the base material of flat-plate heat-absorbing plate is aluminium, heat absorption comb is copper pipe, both weld required energy per unit area and differ, therefore be difficult to overcome as sealing-off, the appearance of the bad welding phenomena such as rosin joint, although laser spots welding is to be that the opposite face of solar selective absorbing film layer carries out at the back side of flat-plate heat-absorbing plate, owing to being hot processing, or can cause destructiveness to a certain degree to this rete.
Ultrasonic bonding is in the operation of pressurization in the situation that, especially in the time of welding, can produce greatly toward complex acceleration, its active force will make thinner flat-plate heat-absorbing plate substrate, (thickness is only 0.4mm respectively to rete, 0.12mm) produce yield deformation, cause this solar selective absorbing film layer to sustain damage, and ultrasonic impeller also can cause wearing and tearing to a certain degree to this absorbing membranous layer, reduce the absorbability of flat-plate heat-absorbing plate to solar energy, after yield deformation a little less than solder joints power, reliability is poor, line face contact weld mode equally also exists heat-conducting area little, be unfavorable for the exchange of heat, the deficiency that heat conduction efficiency is low.
Therefore, how, on the basis of guaranteeing without wound flat-plate heat-absorbing plate absorbing membranous layer, heat absorption comb is connected on flat-plate heat-absorbing plate reliably, and improves the heat transfer property of tube-sheet type plate core device, real is the technical barrier that those skilled in the art need solution at present badly.
[summary of the invention]
Technical assignment of the present invention is to provide that a kind of heat transfer property is high, the tube-sheet type plate core device of the undamaged flat-plate solar collector of absorbed layer to flat-plate heat-absorbing plate, this tube-sheet type plate core device is achieved by the improvement of cross sectional shape to heat absorption comb and flat-plate heat-absorbing plate and heat absorption comb, combination that water conservancy diversion collector is harmless, the bonded area of heat absorption comb and flat-plate heat-absorbing plate is large and contact abundant, improve the heat utilization rate of flat-plate heat-absorbing plate, between tube sheet, heat transfer property is even, has a narrow range of temperature.
For solving the problems of the technologies described above, the invention provides following technical scheme:
The tube-sheet type plate core device of flat-plate solar collector, comprise a pair of water conservancy diversion collector that is parallel to each other and is separated from each other, the heat absorption comb being parallel to each other that complex root two ends are connected to water conservancy diversion collector with this respectively and surface have a flat-plate heat-absorbing plate of absorbed layer, described water conservancy diversion collector is round tube, be arranged at intervals with a plurality of for being nested with the annulus of accepting of described heat absorption comb, heat absorption comb is the abnormity heat absorption comb with flat top surface, it has longer main body stage casing and two bending sections shorter and in the same way, bending section port all has and the described suitable circular interface of annulus of accepting, the caliber of described heat absorption comb is all less than described water conservancy diversion collector, described circular interface is inserted in respectively corresponding to be accepted in annulus and brazing, the apical margin entirety of the flat top surface of described heat absorption comb and described water conservancy diversion collector is positioned in same plane, and respectively by ultra-thin, continual thermal conductive silicon glue-line is adhered to the tool back plane of flat-plate heat-absorbing plate and links into an integrated entity with flat-plate heat-absorbing plate, to form tube sheet monoblock type plate cored structure.
The flat top surface of above-mentioned heat absorption comb is positioned on the pipe shaft of main body stage casing and with the width of flat-plate heat-absorbing plate and adapts, and flat top surface width is 6～7mm.
Heat absorption comb pipe shaft side has the wide flat top surface of 6～7mm, and this structural design had both been conducive to the circular interface of tubing pulling hole machined, has taken into account again the heating surface area of heat absorption comb.
Above-mentioned heat conductive silica gel layer thickness is 0.15mm～0.20mm.
Above-mentioned thermal conductive silicon glue-line is AOK heat conductive silica gel.
Compared with prior art, tool of the present invention has the following advantages and beneficial effect:
Complex root heat absorption comb is abnormity heat absorption comb, these Guan Jun have two bending sections in the same way of circular interface with flat top surface and port, the annulus of accepting of circular interface and circular water conservancy diversion collector is inserted mutually one by one also soldering and is connect, pipe-pipe the assembly forming can meet the hydraulic pressure of technological requirement completely, connect reliable, welding efficiency is high, the flat top surface of comb of absorbing heat in this assembly and the apical margin of water conservancy diversion collector are positioned in a copline, be beneficial to be affixed with the tool back plane of flat-plate heat-absorbing plate, and adopt ultra-thin, the superpower bonding force of uninterrupted thermal conductive silicon glue-line is realized and being connected, heat absorption comb is combined with flat-plate heat-absorbing plate and is enriched, can fill well the contact-making surface space between the complex root heat absorption flat top surface of comb and the tool back plane of flat-plate heat-absorbing plate by the superior thermal conductive silicon glue-line of thermal conductivity, air is extruded to contact-making surface, thereby reduction thermal contact resistance, the heat absorption comb of this assembly is heated evenly, thereby have a narrow range of temperature, improve heat conduction efficiency.
Because the copline of above-mentioned pipe-pipe module composition is to be adhered on the tool back plane of flat-plate heat-absorbing plate, to a bit not damaged of Surface absorption layer of flat-plate heat-absorbing plate, really realize the tube sheet monoblock type plate core without wound combination, and the complex root heat absorption flat top surface of comb and the bonded area of flat-plate heat-absorbing plate are large, improve the heat exchange area utilization rate of flat-plate heat-absorbing plate.
Every heat absorption comb has flat top surface, and its heating surface area is large, and heat absorption efficiency is high, and heat transmission is fast.
Advantageously, the bending structure of heat absorption comb, has improved heat transfer rate.
[brief description of the drawings]
Fig. 1 is front view of the present invention;
Fig. 2 schematically shows single heat absorption comb and is connected schematic diagram rear and that flat-plate heat-absorbing plate is mutually bonding with a pair of water conservancy diversion collector;
Fig. 3 be in a row absorb heat comb and water conservancy diversion collector welding wherein and with flat-plate heat-absorbing plate mutually bonding to view;
Fig. 4 is the enlarged drawing of Fig. 3 in A portion;
Fig. 5 schematically shows the local diagram that the present invention is assembled into flat-plate solar collector.
[detailed description of the invention]
Referring to shown in Fig. 1,2,3,4,5, is preferred embodiment of the present invention.
The tube-sheet type plate core device of flat-plate solar collector, comprise upper and lower two water conservancy diversion collectors 3, complex root heat absorption comb 2 and a flat-plate heat-absorbing plate 1, the water conservancy diversion collector 3 the being arranged in parallel determining deviation that is separated from each other, wherein a water conservancy diversion collector one end connects cold water source, another root water conservancy diversion collector can transfer out hot water, the heat absorption comb 2 that complex root is parallel to each other is between above-mentioned water conservancy diversion collector 3, and every heat absorption comb two ends are all connected with water conservancy diversion collector 3, so form the pipeline runner layout of grid types, as shown in Figure 1.
Two water conservancy diversion collectors 3 are round tube, all be arranged at intervals with and a plurality ofly accept annulus 31 for what be nested with heat absorption comb 2, heat absorption comb 2 is for having the abnormity heat absorption comb of flat top surface 20, forming two bending sections 22 shorter and in the same way by the main body stage casing 21 of growing and autonomous agent stage casing curve transition forms, bending section 22 ports all have the circular interface 23 suitable with accepting annulus 31, the caliber of described heat absorption comb 2 is all less than described water conservancy diversion collector 3, for realizing circular interface 23 socket joints for abnormity heat absorption comb two ends, as seen from Figure 2, accept the longitudinal pipe radial line that annulus 31 departs from water conservancy diversion collector 3 cross sections, as shown in Figure 1, annulus 31 correspondences of accepting of two water conservancy diversion collectors 3 are set up in parallel, the annulus of accepting of every water conservancy diversion collector has 9 (one of them does not draw), identical with heat absorption comb 2 quantity, shown in Fig. 3.
Water conservancy diversion collector 3 adopts round tube, can pull out hole machined by full-automatic pipe and accept annulus 31, and in the present embodiment, water conservancy diversion collector 3 calibers are 25mm; Circular interface 23 is by the processing of pipe alignment rounding machine, and heat absorption comb 2 forms bending section 22 by tubing entirety bullodozer, and circular interface 23 calibers of the comb 2 that absorbs heat are in the present embodiment 12mm.
All circular interfaces 23 be inserted in one by one respectively corresponding accept in annulus 31 and brazing after, form pipe-pipe assembly, entirety is equal just for all abnormity heat absorption flat top surface 20 of comb and the apical margin of two water conservancy diversion collectors 3 32, be adhered to the tool back plane of flat-plate heat-absorbing plate 1 by ultra-thin, continual thermal conductive silicon glue-line 4 by the copline of flat top surface 20 and pipe-pipe assembly that apical margin 32 forms, reach plane and fully contact and link into an integrated entity, thereby form tube sheet monoblock type plate cored structure.
The flat top surface 20 of heat absorption comb 2 is positioned on 21 pipe shafts of main body stage casing and with the width of flat-plate heat-absorbing plate 1 and adapts, and flat top surface 20 width are 6～7mm.
Because flat top surface 20 is bonding with flat-plate heat-absorbing plate 1, the actual needed length of flat top surface 20 roughly with the width of flat-plate heat-absorbing plate 1 quite, and in order to improve the working (machining) efficiency of abnormity heat absorption comb, when concrete enforcement, the span of flat top surface 20 is that abnormity heat absorption comb total length deducts two circular interface length and get final product.
Heat absorption comb 2 is 3003 antirust aluminum pipes; Flat-plate heat-absorbing plate 1 is prior art, and its base material is 3003 rustproof aluminium sheets, and thickness is 0.4mm, and flat-plate heat-absorbing plate 1 surface is coated with blue film absorbed layer or black chromium absorbed layer, and thickness is 0.12mm; 3 employing copper pipes of water conservancy diversion collector.
Thermal conductive silicon glue-line 4 is smeared evenly, and THICKNESS CONTROL is at 0.15mm～0.20mm.
Thermal conductive silicon glue-line 4 adopts AOK heat conductive silica gel.
Being connected between heat absorption comb 2, water conservancy diversion collector 3 and flat-plate heat-absorbing plate 1, abandon by the used up high workload amount of laser multi-point welding, change and adopt heat conductive silica gel curing bonding by automatic glue spreaders and flat-plate heat-absorbing plate 1 back side, technique for sticking is simple, production cost is relatively low, effectively avoided laser weld or excusing from death wave soldering to connect the brought phenomenon such as sealing-off, rosin joint, and there is great raising the aspect such as fastness and anti-aging.
The flat-plate solar collector that the present invention is assembled, as shown in Figure 5, it is mainly made up of frame 7, press strip 8, euphotic cover plate 5, cover plate for sealing bar 5P, side heat-insulation layer 9, tube sheet monoblock type plate core device M (the present invention), sealing-plug 3P and end heat-insulation layer 6, and the surface of the board-like plate core device M of integral tube has absorbed layer 20.
Frame 7 adopts the high-strength aluminum alloy frame with anti-corrosive properties, in heat collector, uses as fixed frame; Press strip 8 is for encapsulating euphotic cover plate, stop rain leakage, euphotic cover plate 5 adopts low iron ultrawhite safety glass, mechanical strength is good, can impact by anti-ice hail, rise and see through solar radiation use, cover plate for sealing bar 5P adopts EPDM sealing joint strip, euphotic cover plate 5 links closely to attach together with cover plate for sealing bar 5P integral type and joins, stopped rain penetration hidden danger, sealing-plug 3P is for the shutoff of every water conservancy diversion collector one port, and wherein side heat-insulation layer 9 and end heat-insulation layer 6 adopt heat preservation rock, can effectively reduce the loss of heat, improve heat insulating ability.
When use, above absorbed layer 20 is positioned at, heat absorption comb 2, water conservancy diversion collector 3 are all positioned at absorber plate 1 time.
The heat collector that the present invention is assembled into, through repeatedly testing: day obtain heating rate and reach 8.5～9.2MJ/m
2, be 7MJ/m and obtain heating rate GB day at present
2, obtaining heating rate same kind of products at abroad day is 8MJ/m
2.
Claims (3)
1. the tube-sheet type plate core device of a flat-plate solar collector, comprise a pair of water conservancy diversion collector that is parallel to each other and is separated from each other, the heat absorption comb being parallel to each other that complex root two ends are connected to water conservancy diversion collector with this respectively and surface have a flat-plate heat-absorbing plate of absorbed layer, it is characterized in that: described water conservancy diversion collector is round tube, be arranged at intervals with a plurality of for being nested with the annulus of accepting of described heat absorption comb, heat absorption comb is the abnormity heat absorption comb with flat top surface, it has longer main body stage casing and two bending sections shorter and in the same way, the flat top surface of described heat absorption comb is positioned on the pipe shaft of main body stage casing, and adapt with the width of flat-plate heat-absorbing plate, flat top surface width is 6～7mm, bending section port all has and the described suitable circular interface of annulus of accepting, the caliber of described heat absorption comb is all less than described water conservancy diversion collector, described circular interface is inserted in respectively corresponding to be accepted in annulus and brazing, the apical margin entirety of the flat top surface of described heat absorption comb and described water conservancy diversion collector is positioned in same plane, and respectively by ultra-thin, continual thermal conductive silicon glue-line is adhered to the tool back plane of flat-plate heat-absorbing plate and links into an integrated entity with flat-plate heat-absorbing plate, to form tube sheet monoblock type plate cored structure.
2. tube-sheet type plate core device according to claim 1, is characterized in that: described heat conductive silica gel layer thickness is 0.15mm～0.20mm.
3. tube-sheet type plate core device according to claim 1 and 2, is characterized in that: described thermal conductive silicon glue-line is AOK heat conductive silica gel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310094337.9A CN103134224B (en) | 2013-03-12 | 2013-03-12 | Tube plate type core device of flat-plate solar collector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310094337.9A CN103134224B (en) | 2013-03-12 | 2013-03-12 | Tube plate type core device of flat-plate solar collector |
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| Publication Number | Publication Date |
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| CN103134224A CN103134224A (en) | 2013-06-05 |
| CN103134224B true CN103134224B (en) | 2014-10-22 |
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| CN201310094337.9A Active CN103134224B (en) | 2013-03-12 | 2013-03-12 | Tube plate type core device of flat-plate solar collector |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103851810B (en) * | 2014-02-26 | 2015-10-14 | 姜道平 | One is exempted to weld antifreeze panel solar heat-absorbing plate core |
| CN105333628B (en) * | 2014-05-28 | 2020-04-07 | 青岛经济技术开发区海尔热水器有限公司 | Heat absorption plate core of solar flat plate collector and solar flat plate collector |
| CN104833117B (en) * | 2015-05-14 | 2017-06-06 | 杜让得 | Sunshine power cold-resistant self-loopa heat utilization system |
| CN106482363B (en) * | 2015-08-31 | 2019-01-29 | 广东万和电气有限公司 | Self-adapting solar energy flat plate collector |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| PL209166B1 (en) * | 2005-04-04 | 2011-07-29 | Dariusz Dżegan | Building panel |
| CN101126552A (en) * | 2007-06-19 | 2008-02-20 | 陶礼德 | Anti-freeze type heat collecting board core and its making method |
| CN101144654A (en) * | 2007-10-12 | 2008-03-19 | 涂济民 | Tube sheet type system integrated solar water heater |
| CN102706014B (en) * | 2012-05-02 | 2014-12-03 | 昆明霍尔金科技有限公司 | Solderless multi-material composite solar thermal collector board core of thin wall/thick wall diversion pipe |
| CN202598899U (en) * | 2012-05-29 | 2012-12-12 | 邯郸市飞翔太阳能科技有限公司 | Integral foaming-type flat-plate solar heat collector with nonmetal integrated back panel |
| CN203083183U (en) * | 2013-03-12 | 2013-07-24 | 浙江优尼特新能源有限公司 | Tube-plate core device of flat-plate solar collector |
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Effective date of registration: 20240524 Address after: 200126, Zone C, 3rd Floor, No. 5, Lane 255, Dongyu Road, China (Shanghai) Pilot Free Trade Zone, Pudong New Area, Shanghai Patentee after: Shanghai Weikai Film Precision Equipment Co.,Ltd. Country or region after: China Address before: 312400 Science and Technology Innovation Center, No. 388 Punan Avenue, Shengzhou Economic Development Zone, Zhejiang Province Patentee before: ZHEJIANG YOUNITE NEW ENERGY Co.,Ltd. Country or region before: China |