CN204084914U - A kind of heat-absorbing plate core of plate solar collector and plate solar collector - Google Patents
A kind of heat-absorbing plate core of plate solar collector and plate solar collector Download PDFInfo
- Publication number
- CN204084914U CN204084914U CN201420430411.XU CN201420430411U CN204084914U CN 204084914 U CN204084914 U CN 204084914U CN 201420430411 U CN201420430411 U CN 201420430411U CN 204084914 U CN204084914 U CN 204084914U
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- China
- Prior art keywords
- collector
- heat
- plate
- comb
- plastic
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
Abstract
The utility model relates to solar water heater field, is specifically related to a kind of heat-absorbing plate core and plate solar collector of plate solar collector.The heat-absorbing plate core of plate solar collector, comprise two collectors and comb, described comb to be arranged between two described collectors and respectively with two described header in communication, described collector and comb are made by thermostable heat-conductive plastic material, and described comb is several separate hollow tubes or the plastic plate being provided with several ducts.Because plate core of flat plate collector is made up of thermostable heat-conductive plastic material, so can not be corroded, resistance to incrustation scale ability is strong.Full-plastic plate heat collector quality can be gently over half, convenient transport, and price is low.Working media flows into heat collector by collector, is absorbed heat by plastic plate core, and the working media then after heating is pooled to another collector and passes, and utilizes special plastic piping to absorb solar radiant energy fast.
Description
Technical field
The utility model relates to solar water heater field, is specifically related to a kind of heat-absorbing plate core and plate solar collector of plate solar collector.
Background technology
Traditional flat plate collector is usually by metal heat-absorbing plate core, and section bar frame, glass cover-plate, heat-preservation cotton and backboard form.Wherein heat-absorbing plate core is the core of flat plate collector, and the heat-absorbing plate core of flat plate collector is primarily of metal tubes and metal heat absorbing coating two parts composition, and metal heat absorbing coating is connected with metal tubes by welding.Metal tubes forms primarily of collector, comb and external piece.Heat-absorbing plate core absorbs solar radiation by metal heat absorbing coating and changes into heat energy, and heat energy is absorbed by the heat-transfer working medium flowing through collector, and then heat-transfer working medium is pooled to comb through collector, by being passed by heat energy.
Because traditional flat plate collector is metal tubes, so easy scaling, corrosion resistance is poor, and long corrosion can cause pipeline thinning, even produces the situation that pipeline leaks.If heat collector is intake or produced more serious water smoke, metal coating is corroded very soon, has a strong impact on the heat absorption capacity of heat collector.
Because metal and glass density are large, flat plate collector weight is usually all very large, causes transport to be installed inconvenient.And price is very high.
And the heat-preservation cotton of flat plate collector can produce volatile materials under the high temperature of heat collector inside, affects the heat absorption capacity of heat collector.
Based on above description, need the heat-absorbing plate core wanting a kind of plate solar collector badly, to solve the easy scaling of metal plate heat collector existed in prior art, the problem that corrosion resistance is poor, weight is large, price is high.
Utility model content
In view of this, the purpose of this utility model is the heat-absorbing plate core providing a kind of plate solar collector, this heat-absorbing plate core uses to be had the thermostable heat-conductive plastic material absorbing solar energy function and makes, and has corrosion-resistant, not scaling, quality is light, price is low feature.
The purpose of this utility model is also to provide a kind of plate solar collector, and it has above-mentioned heat-absorbing plate core, has corrosion-resistant, not scaling, quality is light, price is low feature.
The utility model embodiment is by the following technical solutions:
A kind of heat-absorbing plate core of plate solar collector, comprise two collectors and comb, described comb to be arranged between two described collectors and respectively with two described header in communication, described collector and comb are made by thermostable heat-conductive plastic material, and described comb is several separate hollow tubes or the plastic plate being provided with several ducts.
As preferably, described collector is integral molded plastic collector or is welded by heat seal by the subset pipe of several hollows.
As preferably, the cross-sectional area connecting at least one duct of comb in described collector is less than the cross-sectional area at least one comb duct.
As preferably, the two ends of described comb are respectively by cover in connection and described header in communication, and the end face inside overlapped in described connection is provided with in several overlaps duct, and described comb to be inserted in described middle cover duct and together with overlapping in described connection and being injected into; The other end overlapped in described connection is provided with overlaps boss with in cavity, the cavity in described middle cover boss and described middle cover hole link;
Boss is stretched out outside one end Middle face of described collector, the duct that several are communicated with described collector internal cavities is provided with in described boss, the bulge-structure with cavity is stretched out outside described boss, cavity in described bulge-structure is by the duct in described boss and the cavity connects in described collector, and described collector, boss, bulge-structure are structure as a whole; Described bulge-structure and the heat seal of described middle cover boss welded together, the cavity connects in the cavity in described bulge-structure and described middle cover boss.
A kind of plate solar collector, comprise frame and be arranged at the heat-absorbing plate core described in above any one in described frame, in described frame, the upper side seal of heat-absorbing plate core is provided with transparent cover plate, the downside of described heat-absorbing plate core is provided with heat-insulation layer, described frame is plastic frame, be connected with backboard inside it, described heat-insulation layer and backboard, plastic frame are integral by foaming.
As preferably, described insulation layer surface is covered with reflectance coating.
As preferably, described plastic frame is connected together by plastic corner, or overall injection molded by plastic material.
As preferably, the two ends of two described collectors are connected on described plastic frame respectively by four elastic tubes.
As preferably, described elastic tube one end is connected with described collector and fastening, and the other end is connected with pipe joint and fastening, and described pipe joint snaps in the hole slot of described plastic corner or described plastic frame.
As preferably, the material of described transparent cover plate is plastic cover plate or glass cover-plate.
The Advantageous Effects of the technical scheme that the utility model embodiment proposes is:
(1) because the collector of the heat-absorbing plate core of flat plate collector and comb are made by having the thermostable heat-conductive plastic material absorbing solar energy function, so can not be corroded, resistance to incrustation scale ability is strong.Full-plastic plate heat collector quality can be gently over half, convenient transport, and price is low.Working media flows into heat collector by the collector of lower end, is absorbed heat by plastic plate core, and the collector that the working media then after heating is pooled to heat collector upper end passes, and utilizes special plastic piping to absorb solar radiant energy fast.
(2) heat-insulation layer of Full-plastic plate heat collector described in the utility model is that backboard integral foam forms, intensity is high, volatile materials can not be produced, and the efficiency that the solar radiation heat making plate wicking receive is delivered to heat transfer medium improves greatly, improve the intensity of heat collector, enhance heat-insulating property, thus make whole flat plate collector have good heat absorption capacity.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the utility model embodiment, be briefly described to the accompanying drawing used required in the description of the utility model embodiment below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to the content of the utility model embodiment and these accompanying drawings.
Fig. 1 is the sectional view of the flat plate collector that the utility model specific embodiment provides;
Fig. 2 is the structural representation of the heat-absorbing plate core that the utility model specific embodiment provides;
Fig. 3 is the schematic cross-section of a kind of preferred embodiment of the comb that the utility model specific embodiment provides;
Fig. 4 is the schematic cross-section of the another kind of preferred embodiment of the comb that the utility model specific embodiment provides;
Fig. 5 is the structural representation of the collector that the utility model specific embodiment provides;
Fig. 6 is the structural representation overlapped in the connection that provides of the utility model specific embodiment.
In figure:
1, transparent cover plate; 2, heat-absorbing plate core; 3, frame; 4, heat-insulation layer; 5, elastic tube;
21, collector; 22, comb; 23, cover in connecting;
211, boss; 212, bulge-structure;
231, middle cover boss.
Detailed description of the invention
The technical problem solved for making the utility model, the technical scheme of employing and the technique effect that reaches are clearly, be described in further detail below in conjunction with the technical scheme of accompanying drawing to the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those skilled in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Fig. 1 is the sectional view of the flat plate collector that the utility model specific embodiment provides.As shown in Figure 1, flat plate collector forms primarily of transparent cover plate 1, heat-absorbing plate core 2, frame 3 and heat-insulation layer 4 four part.Described heat-absorbing plate core 2 is positioned at described frame 3, and the upper side seal of described heat-absorbing plate core 2 is provided with described transparent cover plate 1, and preferably, described transparent cover plate 1 is positioned at the upper port place of described frame 3.Described heat-insulation layer 4 is positioned at the downside of described heat-absorbing plate core 2.
Fig. 2 is the structural representation of the heat-absorbing plate core that the utility model specific embodiment provides.As shown in Figure 2, the heat-absorbing plate core 2 of the plate solar collector that the application provides, comprise two collectors 21 and be arranged at the comb 22 be also communicated with two collectors 21 respectively between two collectors 21, wherein, described collector 21 is made by having the thermostable heat-conductive plastic material absorbing solar energy function with comb 22.Described thermostable heat-conductive plastic material is made up of base material and adding material, the material of described base material is variable, and described base material can be the one in polypropylene, polyethylene, polybutene, Merlon, Fypro, polytetrafluoroethylene (PTFE), modified polypropene, modified poly ethylene, modification polybutene, modified polycarbonate, modified polyamine fibre, modified Teflon.
Meanwhile, the adding material in described thermostable heat-conductive plastic material can be graphite, Graphene, carbon black, carbon fiber, high heat-conducting ceramic, AlN, BN, SiC, SiN, Al
2o
3, MgO, B
4c
3, BeO, CaO, NiO, heat conduction carbon dust, glass putty, copper powder, aluminium powder, nano-graphite, nano aluminium oxide, at least one in CNT or several mixing, described special material material is variable, and special material adding proportion is variable.
Described collector 21 is the pipeline of hollow, and described comb 22 also comprises several water pipes, and the pipeline of described comb 22 communicates with the pipeline of described collector 21.Described working media flows into heat collector by collector 21, enter in the passage of several combs 22 from collector 21 shunting, now absorbed heat by plastics heat-absorbing plate core, the heat absorbed is used for heating to ducted working media, the collector 21 that working media after heating is pooled to the heat collector other end passes, and this programme can utilize special plastic piping to absorb solar radiant energy fast.
Because plate core of flat plate collector is made up of thermostable heat-conductive plastic material, so can not be corroded, resistance to incrustation scale ability is strong.Full-plastic plate heat collector quality can be gently over half, convenient transport, and price is low.
In the present embodiment, described comb 22 can have different structures, can be that overall comb also can for single comb.Below introduce several structures of comb 22:
Fig. 3 is the schematic cross-section of a kind of preferred embodiment of the comb that the utility model specific embodiment provides.As shown in Figure 3, described comb 22 comprises several separate hollow plastic pipes.Certain hollow plastic pipe also can be changed to hollow plastic sheet.As preferably, multiple independently comb 22 forms a module, and the comb 22 in module is arranged parallel to each other, and multiple model calling is connected with collector 21 after together again, forms heat-absorbing plate core.Certainly, multiple independently comb 22 also can not form module, is connected respectively with collector 21, forms heat-absorbing plate core.
Fig. 4 is the schematic cross-section of the another kind of preferred embodiment of the comb that the utility model specific embodiment provides.As shown in Figure 4, described comb 22 is for being provided with the plastic plate in several ducts.The program can increase the endotherm area of heat-absorbing plate core, makes plastic piping can absorb solar radiant energy faster.
In the present embodiment, the physical dimension of described comb 22 is variable, and cross sectional shape is variable, can be circular, square and other shapes; The number of modules that multiple comb 22 forms is variable, comb 22 variable number that each module comprises.
In the present embodiment, described collector 21 can comprise a long middle vacuous subset pipe, also can be welded by injection moulding or heat seal by the subset pipe of several short hollow.Collector 21 extends boss 211 from an end face, the duct that several are communicated with described collector 21 internal cavities is provided with in described boss 211, the bulge-structure 212 with cavity is stretched out outside described boss 211, cavity in described bulge-structure 212 passes through the duct in described boss 211 and the cavity connects in described collector 21, as shown in Figure 5.
In the present embodiment, preferably, the cross-sectional area connecting at least one duct of comb in described collector 21 is less than the cross-sectional area in the duct of at least one comb 22.
In the present embodiment, preferably, described boss 211, bulge-structure 212 are structure as a whole with collector 21.
In the present embodiment, described collector 21 structurally variable, variable dimension, collector 21 cross section can be circle, square or other shapes.
In the present embodiment, described boss 211 can extend from the middle part of an end face of described collector 21 or bight, also can be extended by other positions of an end face.Certainly, also boss 211 can not be set, directly bulge-structure 212 be set on an end face of described collector 21.
In the present embodiment, preferably, the two ends of described comb 22 are communicated with two described collectors 21 respectively by cover 23 in connection.As shown in Figure 6, overlap and 23 be preferably rectangle structure in described connection, the end face inside overlapping 23 in described connection is provided with in several overlaps duct, and described comb 22 to be inserted in described middle cover duct and together with overlapping 23 in described connection and being injected into.The other end overlapping 23 in described connection is provided with overlapping boss 231 in cavity, the cavity in described middle cover boss 231 and described middle cover hole link.
During assembling, first by comb 22 be connected in overlap 23 and connect together, then welded together with bulge-structure 212 heat seal of collector 21 by overlapping boss 231 in cover 23 in connecting.Cavity in the bulge-structure 212 of described collector 21 and the cavity connects in the middle cover boss 231 overlapping 23 in described connection, middle cover boss 231 and bulge-structure 212 Inner Constitution enclosed cavity, the duct of collector 21 inside is connected by sealing chamber and the duct of overlapping 23 in being connected, and then is communicated with comb 22.
In the present embodiment, overlap the structurally variable of 23 in described connection, variable dimension, internal gutter variable diameter.
In the present embodiment, together with described collector 21 also directly can be injected into comb 22.
In the present embodiment, the physical dimension of described heat-absorbing plate core is variable, and heat-absorbing plate core can be overall structure, also can be multiple modular composition.
Described flat plate collector assembles from bottom to top, first carries out the assembling of frame 3, and frame is plugged into together by four plastic corner, also forms overall frame by injection moulding.Carry out integral foam after frame 3 has assembled, form heat-insulation layer 4 in frame 3 inner bottom, above the heat-insulation layer 4 afterwards heat-absorbing plate core 2 being vertically mounted to flat plate collector inside, then carry out the installation of cover plate 1, last gluing seal trim strip is fastening.
In the present embodiment, described frame 3 is plastic frame, is connected with backboard inside it, and described heat-insulation layer 4 and backboard, plastic frame are integral by foam, and the pronotum that foams connects together with frame 3.Described backboard can be plastic construction, also can be other structures such as galvanized sheet, aluminium-foil paper.The heat-insulation layer semi-finals degree of foaming is high, can not produce volatile materials, and the efficiency that the solar radiation heat that heat-absorbing plate core is absorbed is delivered to heat transfer medium improves greatly, improves the intensity of flat plate collector, enhances heat-insulating property,
Thus make whole flat plate collector have good heat absorption capacity.
In the present embodiment, described heat-insulation layer 4 variable thickness, structurally variable, material is variable; Can be integral foam, may also be other thermal retardation form, insulation material can be polyurethane foam plastics, also can be that other materials is as rock wool, mineral wool, mineral wool, polyester fiber cotton, polystyrene foam plastics, phenolic foam, aeroge etc.
In the present embodiment, preferably, described heat-insulation layer 4 surface is covered with reflectance coating, and reflectance coating is divided into base material and absorption film, and the material of absorption film is variable, and can be the metals such as aluminium, copper, nickel, silver, the material that absorption film comprises be selective heat-absorbing material.
In the present embodiment, preferably, described frame 3 can be overall by plastics material injection moulding all-in-one-piece structure, also can be structure frame linked into an integrated entity by plastic corner, described overall frame or plastic corner are provided with hole slot, hole slot is convenient to the at right angle setting of heat-absorbing plate core, is also convenient to the sealing of pipeline.
In the present embodiment, the material of described frame 3 is variable, can be plastic frame, also can be aluminum alloy frame, and structurally variable can be individual layer frame, and can be also multilayer hollow structure, variable cross-section, cross sectional shape be variable.The material of described plastic corner is variable, and physical dimension is variable, and the shape of hole slot is variable.
In the present embodiment, preferably, described heat-absorbing plate core 2 adopts at right angle setting mode, and four joints of heat-absorbing plate core 2 are all flexibly connected by elastic tube 5 and frame 3.Elastic tube 5 extends along the axis of collector 21, and one end is connected with collector 21, and one end is connected with frame 3.Preferably, described plastic corner or frame are provided with hole slot, four springy pipeline joints are in place by hole slot.Due to the connection between described four intake-outlets and collector 21, all adopt elastic tube 5 transition, fully can cushion the differential expansion of heat-absorbing plate core 2 and frame 3.
In the present embodiment, preferably, described hole slot is U-shaped mouth.Wherein the shape of hole slot is variable.Stretch out boss outside the upper end collector 21 of described heat-absorbing plate core 2, boss snaps on frame, the downslide under gravity of preventing board core.Described overhanging boss shape is variable, carries out plate core fix by other structures.
In the present embodiment, as further preferred version, the boss grafting that described elastic tube 5 one end and collector 21 stretch out, and clamp with larynx hoop, the other end and outer tube joint grafting, also clamp with larynx hoop.Snap in described hole slot after described outer tube joint is fastening, and fastening with slide block.The material of described elastic hose is variable, and flexible pipe fastening means is variable.
In the present embodiment, preferably, described outer tube joint can be threaded with outer pipeline, also can be connected by quick socket connection mode with outer pipeline.Wherein the material of outer tube joint is variable, and fastening means is variable, and physical dimension is variable, and thread connecting mode is variable, and quick inserting mode is variable.
In the present embodiment, described cover plate 1 compresses mode with frame 3 by bonding and press strip to carry out sealing and fixing.Described transparent cover plate 1 can be plastic cover plate, also can be glass cover-plate.The sealing means of transparent cover plate 1 is variable, can connect, can compress for press strip for gluing, also jointly can seal for bonding and press strip.
Note, above are only preferred embodiment of the present utility model and institute's application technology principle.Skilled person in the art will appreciate that the utility model is not limited to specific embodiment described here, various obvious change can be carried out for a person skilled in the art, readjust and substitute and protection domain of the present utility model can not be departed from.Therefore, although be described in further detail the utility model by above embodiment, but the utility model is not limited only to above embodiment, when not departing from the utility model design, can also comprise other Equivalent embodiments more, and scope of the present utility model is determined by appended right.
Claims (10)
1. the heat-absorbing plate core of a plate solar collector, comprise two collectors (21) and comb (22), described comb (22) is arranged between two described collectors (21) and is also communicated with two described collectors (21) respectively, it is characterized in that, described collector (21) and comb (22) are made by thermostable heat-conductive plastic material, and described comb (22) is several separate hollow tubes or the plastic plate being provided with several ducts.
2. the heat-absorbing plate core of plate solar collector as claimed in claim 1, it is characterized in that, described collector (21) is welded for integral molded plastic collector or by the subset pipe of several hollows by heat seal.
3. the heat-absorbing plate core of plate solar collector as claimed in claim 2, is characterized in that, the cross-sectional area connecting at least one duct of comb in described collector (21) is less than the cross-sectional area at least one comb (22) duct.
4. the heat-absorbing plate core of plate solar collector as claimed in claim 1, is characterized in that,
The two ends of described comb (22) are communicated with described collector (21) respectively by cover (23) in connection, overlap the end face inside of (23) in described connection to be provided with in several and to overlap duct, described comb (22) to be inserted in described middle cover duct and together with overlapping (23) in described connection and being injected into; The other end overlapping (23) in described connection is provided with overlapping boss (231) in cavity, the cavity in described middle cover boss (231) and described middle cover hole link;
Boss (211) is stretched out outside one end Middle face of described collector, the duct that several are communicated with described collector (21) internal cavities is provided with in described boss (211), the bulge-structure (212) with cavity is stretched out outside described boss (211), cavity in described bulge-structure (212) is by the duct in described boss and the cavity connects in described collector, and described collector (21), boss (211), bulge-structure (212) are structure as a whole; Described bulge-structure (212) and the heat seal of described middle cover boss (231) are welded together, the cavity connects in described bulge-structure in the cavity of (212) and described middle cover boss (231).
5. a plate solar collector, the heat-absorbing plate core as described in any one of Claims 1-4 comprising frame (3) and be arranged in described frame (3), the upper side seal of described frame (3) interior heat-absorbing plate core is provided with transparent cover plate (1), the downside of described heat-absorbing plate core is provided with heat-insulation layer (4), it is characterized in that, described frame (3) is plastic frame, be connected with backboard inside it, described heat-insulation layer (4) and backboard, plastic frame are integral by foaming.
6. plate solar collector as claimed in claim 5, it is characterized in that, described heat-insulation layer (3) surface is covered with reflectance coating.
7. plate solar collector as claimed in claim 5, it is characterized in that, described plastic frame is connected together by plastic corner, or overall injection molded by plastic material.
8. plate solar collector as claimed in claim 7, it is characterized in that, the two ends of two described collectors (21) are connected on described plastic frame respectively by four elastic tubes.
9. plate solar collector as claimed in claim 8, it is characterized in that, described elastic tube one end is connected with described collector (21) and fastening, and the other end is connected with pipe joint and fastening, and described pipe joint snaps in the hole slot of described plastic corner or described plastic frame.
10. plate solar collector as claimed in claim 5, it is characterized in that, the material of described transparent cover plate is plastic cover plate or glass cover-plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420430411.XU CN204084914U (en) | 2014-07-31 | 2014-07-31 | A kind of heat-absorbing plate core of plate solar collector and plate solar collector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420430411.XU CN204084914U (en) | 2014-07-31 | 2014-07-31 | A kind of heat-absorbing plate core of plate solar collector and plate solar collector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204084914U true CN204084914U (en) | 2015-01-07 |
Family
ID=52177620
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420430411.XU Withdrawn - After Issue CN204084914U (en) | 2014-07-31 | 2014-07-31 | A kind of heat-absorbing plate core of plate solar collector and plate solar collector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204084914U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105716300A (en) * | 2016-03-22 | 2016-06-29 | 华南理工大学 | High polymer material compounded plate type solar heat collector and core veneer manufacturing method thereof |
| CN106440422A (en) * | 2015-08-05 | 2017-02-22 | 青岛经济技术开发区海尔热水器有限公司 | Solar thermal collector frame, thermal collector and solar water heater |
| CN105299920B (en) * | 2014-07-31 | 2019-01-08 | 青岛经济技术开发区海尔热水器有限公司 | A kind of heat-absorbing plate core and plate solar collector of plate solar collector |
-
2014
- 2014-07-31 CN CN201420430411.XU patent/CN204084914U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105299920B (en) * | 2014-07-31 | 2019-01-08 | 青岛经济技术开发区海尔热水器有限公司 | A kind of heat-absorbing plate core and plate solar collector of plate solar collector |
| CN106440422A (en) * | 2015-08-05 | 2017-02-22 | 青岛经济技术开发区海尔热水器有限公司 | Solar thermal collector frame, thermal collector and solar water heater |
| CN105716300A (en) * | 2016-03-22 | 2016-06-29 | 华南理工大学 | High polymer material compounded plate type solar heat collector and core veneer manufacturing method thereof |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150107 Effective date of abandoning: 20190108 |
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| AV01 | Patent right actively abandoned |