CN201787759U - High-density row heat collector and special reducing glass vacuum heat collecting tube thereof - Google Patents
High-density row heat collector and special reducing glass vacuum heat collecting tube thereof Download PDFInfo
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- CN201787759U CN201787759U CN2010205066445U CN201020506644U CN201787759U CN 201787759 U CN201787759 U CN 201787759U CN 2010205066445 U CN2010205066445 U CN 2010205066445U CN 201020506644 U CN201020506644 U CN 201020506644U CN 201787759 U CN201787759 U CN 201787759U
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- pipe
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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
- F24S10/40—Solar heat collectors using working fluids in absorbing elements surrounded by transparent enclosures, e.g. evacuated solar collectors
- F24S10/45—Solar heat collectors using working fluids in absorbing elements surrounded by transparent enclosures, e.g. evacuated solar collectors the enclosure being cylindrical
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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
- F24S10/90—Solar heat collectors using working fluids using internal thermosiphonic circulation
- F24S10/95—Solar heat collectors using working fluids using internal thermosiphonic circulation having evaporator sections and condenser sections, e.g. heat pipes
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
- Y02E10/44—Heat exchange systems
Abstract
The utility model relates to a high-density row heat collector and a special reducing glass vacuum heat collecting tube thereof in a solar photo-thermal technical field. The heat collector comprises an inner water tank, an outer heat preservation tank, a plurality of reducing glass vacuum heat collecting tubes and a support, wherein the inner water tank is placed in an inner cavity of the outer heat preservation tank. Besides, a heat preservation layer is filled between the inner water tank and the outer heat preservation tank; the outer heat preservation tank and the reducing glass vacuum heat collecting tubes are fixed onto the support; and the closed bottom ends of the reducing glass vacuum heat collecting tubes are placed on a support tailstock. The high-density row heat collector and the special reducing glass vacuum heat collecting tube are characterized in that both an inner tube and an outer tube are reducing tubes, the diameter of a connecting end of the inner tube with the outer tube is reduced to form a hole shrinkage section, and a vacuum layer is formed on the hole shrinkage section in a welding and sealing connection manner. By mounting the reducing glass vacuum heat collecting tubes on the heat collector, a gap between each two adjacent tubes is controlled to the minimum, so that the photo-thermal converting efficiency of the heat collector is improved.
Description
Technical field
The utility model relates to the device of solar energy optical-thermal technical field, is specifically related to solar water heater and vacuum glass goods thereof, is a kind of highly dense row's heat collector and special-purpose reducing thereof (or title " reducing ") glass heat-collecting vacuum tube more specifically.
Background technology
Solar energy heat utilization, real industrialization are the things after the invention vacuum tube.The heat index on the same day in the national standard is 7.5MJ/D.M
2, be the same day solar irradiation amount be 17MJ/D.M
2Prerequisite under data, by these data as can be known its efficient be 7.5MJ/D.M
2/ 17MJ/D.M
2=0.4412 is 44.12%, and this efficiency value is obvious low excessively on solar water heater's product.The unreasonable structure problem that now big portion market product all exists, be in particular in, common water heater is because of reasons such as technology, intensity, adjacent two vacuum tubes can not closely be arranged, and have very big, invalid light leak gap, such as the common water heater with 58 pipes, general gap between adjacent two pipes or slit are 22 millimeters, the sunshine that passes this gap does not shine does not just have the light and the conversion of heat to take place yet on the vacuum tube, this part only invalid light does not produce hot light.And 22 mm clearance need 22 millimeters corresponding water tank, also need corresponding 22 millimeters stent length, the tube center distance of common 58 pipes is the water tank of 80 millimeters long and the support of 80 millimeters long, this wherein respectively have 22 millimeters be invalid, use more, waste, to sum up relatively wastage is 27.5%.
Summary of the invention
The purpose of this utility model is to overcome the prior art deficiency, highly dense row's heat collector of a kind of reducing glass vacuum heat collection pipe and special-purpose reducing glass vacuum heat collection pipe thereof are provided, realize that by adopting the reducing glass vacuum heat collection pipe high-density mounting is in heat collector, make clearance control between adjacent two pipes to Min., thereby improve the photo-thermal transformation efficiency of heat collector.Simultaneously, the utility model heat collector tailstock adapts to the reducing glass vacuum heat collection pipe, and makes things convenient for I﹠M.
The utility model is achieved through the following technical solutions:
A kind of reducing glass vacuum heat collection pipe that is exclusively used in highly dense row's heat collector, pipe and two glass tubes of outer tube in this reducing glass vacuum heat collection pipe comprises, the inside and outside fit of these two glass tubes, the afterbody bottom of interior pipe and outer tube is sealed from body respectively, the other end of outer tube links to each other with interior pipe frit seal, interior pipe from body blind end and outer tube between the body blind end, be provided with jump ring and getter, wherein jump ring is internally managed the fixing spacing of position, the interlayer between the inner and outer pipes is evacuated; Pipe is characterized in that for the endothermic tube of outer plated film in described, described in pipe and outer tube all be reducer pipe, the link reduced of interior pipe and outer tube formation undergauge section and in this undergauge section frit seal formation vacuum layer that links to each other.
A kind of highly dense row's heat collector, it is characterized in that, this heat collector comprises inner water tank, outer incubator, some reducing glass vacuum heat collection pipes and support, inner water tank places outer incubator inner chamber, be filled with heat-insulation layer between inner water tank and outer incubator, outer incubator and reducing glass vacuum heat collection pipe are fixed on the support, reducing glass vacuum heat collection pipe closed bottom end places on the support tailstock, outer incubator and inner water tank are provided with some through holes, reducing glass vacuum heat collection pipe undergauge section is inserted each through hole, and its bottom is installed in the holder of tailstock tail;
This highly dense row's heat collector or employing vertical row type, described each through hole is located at the bottom of outer incubator and inner water tank, also offers water inlet pipe and water outlet pipe in the heat collector left and right sides;
This highly dense row's heat collector or employing horizontally-arranged single-blade formula, described each through hole is located at the left and right sides either side of outer incubator and inner water tank, also offers water inlet pipe and water outlet pipe in two ends up and down at the heat collector water tank;
This highly dense row's heat collector or employing horizontally-arranged biplane, the left and right sides of outer incubator and inner water tank all is provided with through hole, also offers water inlet pipe and water outlet pipe in two ends up and down at the heat collector water tank.
Pipe, outer tube all can be the global formation structures, or be formed by the assembly welding of size diameter in the described reducing.
Compared with prior art, the utility model adopts different reducing evacuated pipes, is guaranteeing under the prerequisite that technology is reasonable, combination property is optimized, make vacuum tube on heat collector, realize solid matter to greatest extent easily, thereby, reduce the light leak amount in the unit are, increase effective daylighting area.Its basic mechanical design feature index and characteristics:
High added value---produce reducing evacuated pipe profit to increase substantially.
High energy efficiency---by new detection method and standard that China is formulating now, must reach first class index and above index by heat when light is useful; High-performance: the high 20%-43% of the annual thermal efficiency ratio common machine of (1) reducing solid matter water heater; (2) adopt reducing solid matter water heater technology can save installing space 20%-30%, its area is little, the big characteristics of heat make it have significant advantage in solar heating engineering, balcony wall-hanging field of water heaters; (3) low consumptive material---for the heat collector of φ 58, φ 47 reducing evacuated pipes assemblings, identical heat solar water heater reduce by 25%, 30% than common water heater respectively with material, artificial, energy consumption.
The utility model glass tube with vacuum has quick heating, and self thermal capacitance is little, the water heater set up is installed than the high efficiency more than 30% of national standard, and the performance class height is higher than the national standard superlative degree.
Description of drawings
Among the embodiment 1:
Fig. 1 is the glass heat-collecting vacuum tube of inside and outside caliber while reducing and the sealing of interior pipe front end.
Fig. 1-1 is the plated film district of Fig. 1.
Fig. 2 is the thermal-collecting tube form of additional insulation base among the embodiment.
Fig. 3 is the thermal-collecting tube form of additional the 3rd pipe among the embodiment.
Fig. 4 is the thermal-collecting tube form of adding the 3rd pipe and tail end band heat insulation pedestal structure among the embodiment.
Fig. 5 a to Fig. 5 c is all kinds of casts of additional metal heat absorption fin.Fig. 5 c-1 is the district of filming of Fig. 5 c.
Among the embodiment 2:
Fig. 6 is the thermal-collecting tube form of the interior tube opening of additional insulation base among the embodiment.
Fig. 7 is the interior tube opening thermal-collecting tube form of additional insulation base and hollow pipe among the embodiment.
Fig. 8 is the another kind of form of the interior tube opening thermal-collecting tube of additional insulation base and hollow pipe among the embodiment.
Fig. 9 is the interior tube opening thermal-collecting tube form of additional the 3rd pipe among the embodiment.
Figure 10 is the interior tube opening thermal-collecting tube form of adding the 3rd pipe among the embodiment and having heat insulation pedestal.
Figure 11 is the interior tube opening thermal-collecting tube form of adding the 3rd pipe among the embodiment and forming the heat insulation pedestal structure simultaneously.Figure 11-1 is the district of filming of Figure 11.
Figure 12 a to Figure 12 c is all kinds of casts of present embodiment additional metal heat absorption fin.
Among the embodiment 3:
Figure 13 is the thermal-collecting tube form that is provided with the inside and outside footpath while reducing of metal heat pipe in the pipe.
Among the embodiment 4: Figure 14 is for being provided with the big cast reducing thermal-collecting tube of metal heat pipe in the pipe.Figure 14-1 is the plated film district of Figure 14.
Among the embodiment 5:
Figure 15 is the wall hanging machine structural representation;
Figure 16 monoplane structural representation;
Figure 17 biplane structural representation.
Figure 18 is the tailstock schematic diagram of the tube-in-tube structure of separate type, and Figure 18-a is the side view of Figure 18-b
Figure 19 is the scheme of installation of reducing glass pipe in sleeve
Figure 20 is tail holder sleeve three TV structure schematic diagrames
Figure 21 is a retainer spring structure three-view diagram
Figure 22 is crossbeam three TV structure schematic diagrames
Figure 23 is Figure 15 tailstock C of place partial enlarged drawing
Figure 24 makes up three TV structure schematic diagrames for the Contiuum type tailstock
Figure 25 looks schematic diagram for disjunctor tail backing holder structure three
Figure 26 looks schematic diagram for disjunctor tail holder superstructure three
Figure 27 is the scheme of installation of Contiuum type tailstock and reducing glass vacuum tube
Among the embodiment 6:
Figure 28 is applicable to the inside and outside footpath while reducing thermal-collecting tube collector structure that has the metal heat pipe
Figure 29 is the partial enlarged drawing of Figure 28 at the D place
Among the embodiment 7:
Figure 30 is applicable to the collector structure schematic diagram that has U-shaped metal heat pipe
Figure 31 is a metal tubes system architecture schematic diagram in the heat collector
Description of symbols: 1-exhaust tail mouth, 12-sealed mouth, 2-getter, 3-jump ring, 4-heat conduction with phase change medium, 41-heat conduction with phase change medium help and steam ring, pipe in the 5-, and the condensation segment of pipe in the 51-(or claim: the undergauge section), the 6-outer tube, 61-outer tube undergauge section (or claim: reducer), the welding mouth between 10-outer tube reducer and the interior pipe, 13-heat insulation pedestal, 131-heat insulation pedestal and interior pipe weld, 14-hollow pipe, 15-the 3rd pipe, the 7-metal fin, 71-compressing member, 81-metal heat pipe thin segment, the thick section of 82-metal heat pipe (or claims: condensation end), the 83-plug, 84-metal heat pipe bracing frame, 85-metal transfer baffle plate, the 91-water inlet pipe and water outlet pipe, the 92-inner water tank, 921-runner, 9211-runner thermal conducting sleeve, 9213-U shape pipe, the outer incubator of 93-, 94-heat-insulation layer, 96-support; The reducing evacuated glass tube of 97-, 98-tailstock, 981-crossbeam, 9811-positive stop hook, the holder of 982-tail, 9824-tail holder sleeve annular recessed groove, 9825-tail holder sleeve rectangular opening, 983-retainer spring, 9831-seeker; 9832-cooperates section, 9833-u type arc, the holder of 984-base tail, the circular arc mouth 9841 that 9841-and reducing glass vacuum heat collection pipe outer tube diameter are complementary; The roundlet arc port 9842 that 9842-and reducing glass vacuum heat collection pipe outer tube round end are complementary, 985-loam cake, the circular arc mouth that covers on the 9851-
The specific embodiment
The utility model is described in further detail below in conjunction with drawings and Examples, but technical solutions of the utility model are not limited to following preferred embodiment, and any change done in technical scheme or variation all should belong to the utility model protection domain.
As Fig. 1 to Figure 12, shown in the reducing glass vacuum heat collection pipe comprise in pipe 5 and 6 two glass tubes of outer tube, the inside and outside fit of these two glass tubes, the afterbody bottom of interior pipe and outer tube is sealed from body respectively, the other end of outer tube links to each other with interior pipe frit seal, interior pipe from body blind end and outer tube between the body blind end, be provided with jump ring 3 and getter 2, wherein jump ring is used for internally managing the fixing spacing of position, the interlayer between the inner and outer pipes is evacuated.Pipe is the heat absorption inner glass tube of outer plated film in described, the pipe outer wall is coated with absorption film, and as the plated film district shown in Fig. 1-1 frame of broken lines, absorbing solar energy is converted to heat energy immediately, in the medium in heat energy transmits by tube wall in the pipe, medium can be water, chemical mixture, metal etc.Inner pipe wall is the interior vacuum wall of thermal-collecting tube.Pipe and outer tube all are reducer pipe in described, in pipe and the link reduced of outer tube form the undergauge section and in this undergauge section frit seal formation vacuum layer that links to each other, welding mouth 10 and outer tube reducer 61 between visible outer tube reducer of Fig. 1 and the interior pipe, this outer tube reducer will be used to insert the water tank section.
The interior outer glass pipe that is perfused with phase change medium 4 in the interior pipe 5 as shown in Figure 1 all is the glass-vacuum tube of reducing form.Should seal by interior pipe 5 front ends, its undergauge section 51 is longer than the undergauge section 61 of outer tube and is extended to form the interior pipework condensation section that can contact with water in the heat collector inner water tank.Anhydrous medium in the thermal-collecting tube that the technical program limits, interior pipe, in light weight, cold tolerance is strong, and thermal capacitance can control to Min..This is exclusively used in solar water heater's reducing glass vacuum heat collection pipe principle: sunshine sees through outer tube and impinges upon in the plated film district on the pipe, absorbed by the selectivity coating and convert heat energy to, this heat energy is passed to the heat conduction with phase change medium by the tube wall of interior plated film endothermic tube, make it undergo phase transition the formation high-temperature gas, the undergauge end of the inside pipe of high-temperature gas flows thermal energy transfer to the condensation segment 51 in the insertion water tank of interior pipe leading section, condensation segment is given the water that is in contact with it with thermal energy transfer again, and the water in the heat collector inner water tank is heated.High-temperature gas is cooled to liquid state again at condensation segment 51 places after heat exchange, the big end of pipe goes round and begins again like this in flowing back to, and carries out the conversion and the transmission of photo-thermal, realizes converting solar energy to thermal energy storage in the water of heat collector.Mark and Action Specification thereof in the accompanying drawing: exhaust tail mouth 1 is the sealed mouth after vacuumizing.QC overflows getter 2 and residual air in order to be used for absorbing, being neutralized into behind high temperature evaporation.Light is delivered to condensation segment 51 by heat conduction with phase change medium 4 after being converted to heat energy, carries out heat exchange by the water in interior pipework condensation section and the water tank.Heat conduction with phase change medium prescription is a lot, but basic demand be low temperature gasification, latent heat is big, chemical characteristic is stable, nontoxic etc., be all existing known content.Outer tube 6 is the cover glass light-transmission tube, is the outer vacuum wall of thermal-collecting tube.Sealed mouth 12 is to form after the heat conduction with phase change media fill.
Further improve, as shown in Figure 2, on Fig. 1 basis, add heat insulation pedestal 13, described heat insulation pedestal be arranged in the afterbody interlayer of inside and outside two glass tubes and and interior pipe between welding fix, see heat insulation pedestal and interior pipe weld 131 among the figure.Jump ring 3 is installed between outer tube 6 and the heat insulation pedestal 13 realizing the internally location of pipe 5, and prevents that jump ring 3 from directly contacting with the interior pipe of high temperature, in order to avoid by jump ring 3 and outer tube 6 heat is distributed to outside the thermal-collecting tube.
Further improve, as shown in Figure 3, on Fig. 1 basis, add the 3rd pipe 15, manage in 5 in placing, the 3rd pipe is the glass tube of the airtight end opening of an end, its front end blind end is realized the location of its position by jump ring 3, its tail end and interior pipe tail end fusion sealing, thereby its inner chamber is communicated with interlayer between the inner and outer pipes and forms the one vacuum, between the 3rd pipe 15 and interior pipe 5 outer walls, be provided with heat conduction with phase change medium 4, can also be provided with simultaneously the heat conduction with phase change medium and help steaming ring 41 to help the heat conduction with phase change media fully to gasify, as Fig. 3, Fig. 4.Heat conduction with phase change medium 4 has many kind prescriptions (for the known content of prior art), all can satisfy actual needs.In the technical program by be provided with the 3rd pipe reduce in self thermal capacitance of pipe, make the thermal-collecting tube programming rate fast.
Described heat conduction with phase change medium helps the setting of steaming ring 41 to be applicable to the thermal-collecting tube that vertical row type is installed.Liquid heat conduction with phase change medium 4 is collected in heat-collecting pipe vacuum layer bottom because of the gravity effect, because what the light tight bright film of getter was arranged on the inside and outside tube wall in this zone exists that (getter is gasified during the manufacturing process 900 degree left and right sides, after condense in the interior outer glass pipe of vacuum layer again and cause) form the shadow region, it is in running order to be unfavorable for that the heat conduction with phase change medium absorbs the heat gasification.Because the heat conduction with phase change medium after the gasification is understood the formation temperature gradient in vertical direction, the low-density gaseous molecular that temperature is high more is in a high position more, the easy more maintenance low level of the High Density Molecular that temperature is low more again.Therefore above-mentioned two kinds of factors all are not easy to the heat conduction work of heat conduction with phase change medium, for solving this technical problem, light tight bright film is upper in the heat-collecting pipe vacuum layer, help steaming ring 41 such as highly locate to be provided with the heat conduction with phase change medium at thermal-collecting tube 1/3rd, this heat conduction with phase change medium helps to steam to encircle and is used for holding back the heat conduction with phase change medium that the storage vacuum layer liquefies, make the heat conduction with phase change medium be in certain height, uneven thermograde phenomenon in the release pipe is avoided the low temperature shadow region influence of the light tight bright film of getter simultaneously.
Fig. 3 is further improved, as shown in Figure 4, interior pipe 5 bottoms and the 3rd pipe 15 afterbodys are fused into ring and form heat insulation pedestal 13 structures, this heat insulation pedestal 13 is the afterbody section of stretching out of the 3rd pipe 15, the same heat-blocking action that rises, so stage clip 3 is stuck between outer tube 6 and this heat insulation pedestal 13, avoids stage clip directly to contact with the interior pipe of high temperature.Heat insulation pedestal version is not exhaustive in the present embodiment.Need to prove, axially adopt at the thermal-collecting tube afterbody heat insulation pedestal means of structure is set, solve and avoid in the afterbody pipe to dispel the heat wasting the purpose of solar energy thermal transition to outer tube, and can obtain the effect expected in advance, all will fall into the utility model protection domain.
Further improve, for pipe heat absorption in strengthening, but at interior pipe appearance additional metal heat absorption fin 7 also, as all kinds of casts of Fig. 5 a to Fig. 5 c, present embodiment is not exhaustive.This metal fin surface is coated with absorption film, and absorbing solar energy is converted to heat energy immediately, on pipe in being located at, heat energy can be passed in the medium of interior pipe by inner pipe wall.Described fin is the metal heat absorption fin of the finned semicircle on the pipe or full circle (being made up of two semicircles) in being wrapped in, fin glass tube axially be one also multistage dock.In order to reduce hot melt, to improve anti-pressure ability and programming rate, interior pipe changes and is isometrical glass tube.Shown in Fig. 5 c-1, be the plated film district in the rectangle frame, interior pipe and metal heat absorption fin all have one deck extinction rete.
Described semicircle fin is the long trough structural member that the cross section is semicircular arc, these bathtub construction part both sides have with axis at conplane symmetrical flanging, circular arc internal diameter and interior external diameter of pipe are suitable, and described semicircle metal heat absorption fin is on inner pipe fixedly connected by compressing member 71.The technical program strengthens endotherm area by add fin outside interior pipe, and tube heat exchange efficient in strengthening can change the diameter design of interior pipe little (interior pipe directly adopts isometrical pipe), thereby improves the anti-pressure ability and the safety coefficient of reducing glass vacuum heat collection pipe.
Compare with embodiment 1, present embodiment is another kind of way of realization, shown in each figure of Fig. 6 to 11, described interior pipe 5 dwindles formation undergauge section simultaneously with its diameter of leading portion of outer tube 6 and links to each other in this undergauge section frit seal, should inside and outside undergauge section be used for interior pipe front opening is installed for inserting the heat collector through hole.Interior tube cavity can be marked with aqueous medium and will be communicated with the heat collector inner water tank, and interior pipe adventitia conducts to the interior WATER AS FLOW MEDIUM of interior pipe after absorbing heat, thereby heat collector inner water tank water is heated.The interior pipe of front opening also can by other heat conducting device with transfer of heat in the interior pipe to the heat collector water tank, water tank water is heated.
Further improve, shown in Fig. 6,7,8,10,11, be provided with heat insulation pedestal 13 in the afterbody interlayer of inside and outside two glass tubes, welding is fixed between heat insulation pedestal and the interior pipe, jump ring 3 is set again in order to realize internally managing the fixing spacing of position between outer tube and the heat insulation pedestal.By avoiding directly being connected by jump ring between outer tube and the interior pipe in that heat insulation pedestal 13 is set between the inner and outer pipes, the pipe store heat rejects heat to outside the glass tube with vacuum by jump ring in causing thus, thus this heat insulation pedestal 13 to be commonly called as be " low tail consumption heat insulation pedestal ".Shown in Figure 6, described heat insulation pedestal is that realize the pipe bottom in being fused to by a glass short tube.
Further improve, as Fig. 7, shown in Figure 8, thermal-collecting tube also is provided with hollow pipe 14, and this hollow pipe is the self-enclosed cavity pipes in two ends, and in the pipe, its two ends are limited in the interior pipe by jump ring 3 respectively in placing.This thermal-collecting tube yet comprises heat insulation pedestal, described heat insulation pedestal or be in the glass short tube of an end opening one end sealing places between pipe and the outer tube afterbody, glass short tube blind end part is fused to interior pipe, thus jump ring 3 is installed between this glass short tube and the outer tube, as shown in Figure 7.Pipe bottom in described heat insulation pedestal or be the glass short tube of two sections openings, one end are fused to, this heat insulation pedestal 13 also forms the closing in form simultaneously, as Fig. 8.
Further improve, shown in Fig. 9,10,11, thermal-collecting tube is built-in with the 3rd pipe 15 of the airtight end opening of an end in interior pipe, the interior position of pipe was fixing spacing in its front end blind end was implemented in by jump ring 3, its tail end and interior pipe tail end fusion sealing, thereby its inner chamber is communicated with interlayer between the inner and outer pipes and forms the one vacuum, is aqueous medium between described the 3rd pipe and the outer wall of inner tube, will be communicated with the heat collector water tank.Heat collector can also be provided with heat insulation pedestal 13, in the vacuum layer in being arranged between pipe and the outer tube: as shown in figure 10, interior pipe 5 bottoms and the annular sealing by fusing of the 3rd pipe 15 afterbodys promptly form heat insulation pedestal and interior pipe weld 131, and this heat insulation pedestal 13 is the 3rd pipe 15 afterbody extensions.As shown in figure 11, the 3rd pipe 15 tail ends and interior pipe tail end fusion sealing, about the reverse 4CM of tail end fusion sealing place, locate again the 3rd pipe to be sealed with interior pipe hot melt, thereby make the 4th cavity structure of the common formation of the 3rd pipe and interior pipe, these four cavity structures are considered as heat insulation pedestal 13, jump ring is arranged between this heat insulation pedestal and the outer tube, directly contacts with interior pipe to prevent jump ring, avoids vacuum tube afterbody energy consumption waste.It is a procedure that the two places welding when producing of this cast is sealed, the technology easy operating.As Figure 11-1 is the plated film district of glass-vacuum tube.
Further improve, for pipe heat absorption in strengthening, but in interior pipe appearance equally additional metal heat absorption fin 7 yet, as all kinds of casts of Figure 18 to Figure 20.Need to prove that heat insulation pedestal structure and metal heat absorption fin structure form is all not exhaustive in the present embodiment, any similar structures form that derived by the technical solutions of the utility model enlightenment all also falls into the utility model protection domain.
Present embodiment is that existing common isometrical small heat pipe is made improvements, as shown in figure 13, pipe 5 and 6 two glass tubes of outer tube in this reducing glass vacuum heat collection pipe comprises, the inside and outside fit of these two glass tubes, in pipe and the afterbody bottom of outer tube seal from body respectively, the other end of outer tube links to each other with interior pipe frit seal, is provided with jump ring 3 and getter 2 at interior pipe from body blind end and outer tube between the body blind end, wherein jump ring is internally managed the fixing spacing of position, and the interlayer between the inner and outer pipes is evacuated.Pipe is the endothermic tube of outer plated film in described.Pipe and outer tube all are reducer pipe in described, interior pipe dwindles formation undergauge section simultaneously with its diameter of leading portion of outer tube and links to each other in this undergauge section frit seal, should be used for installing by inside and outside undergauge section insertion heat collector through hole, pipe front opening in described, in interior pipe, be provided with the collector metal device, this device comprises interconnective metal heat absorption fin 7 and metal heat pipe, whole metal fin places interior pipe, the metal heat pipe is to be filled with phase change medium in closed at both ends and the pipe, the thin segment 81 of metal heat pipe is by realizing location and appropriateness sealing between plug 83 and the inner and outer pipes front end, its thick section 82 provides thermal source for its condensation end for the heat collector water tank.Small heat pipe is all isometrical structure to the technical program by changing in the past, and it is designed to reducing, thereby but solid matter be installed on the solar thermal collector, realize the efficiency light thermal transition, save material simultaneously.Described collector metal device, the preferred red copper of its metal material.
Embodiment 4
Present embodiment is that common isometrical big heat pipe is made improvements, as shown in figure 14, this reducing glass vacuum heat-collecting tubular construction is: this reducing glass vacuum heat collection pipe comprises outer tube 6 and collector metal device, the bottom of outer tube is sealed from body, the other end of outer tube links to each other with the frit seal of collector metal device, and whole outer tube leading portion forms undergauge; Vacuum in the outer tube is provided with jump ring 3 and getter 2 in it, wherein getter is used to guarantee vacuum condition in the outer tube, and wherein jump ring is used for fixing the position of collector metal device in outer tube; Described collector metal device comprises interconnective metal heat absorption fin 7 and metal heat pipe, and whole metal fin places outer tube and positions by 84 pairs of fins of bracing frame.The metal heat pipe is to be filled with phase change medium in closed at both ends and the pipe, realize both location and tight seals between the thin segment 81 of metal heat pipe and the outer tube front end by metal transfer baffle plate 85, the thin segment 81 of described metal heat pipe, outer tube front end respectively with metal transfer baffle plate 85 welded seals.The thick section 82 of metal heat pipe is its condensation end, can be the heat collector water tank thermal source is provided.The technical program is all isometrical structure by changing big in the past heat pipe, and it is designed to the individual layer reducing glass vacuum heat collection pipe of reducing, thereby but solid matter be installed on the solar thermal collector, realize the efficiency light thermal transition, save material simultaneously, save installing space.Described collector metal pipe unit, the preferred red copper of its metal material.The fusing point of described metal transfer baffle plate, the coefficient of expansion and glass tube are close.Shown in Figure 14-1, all parts all need plated film in the block diagram district.
The interior pipe of disclosed reducing, reducing outer tube can be the global formation structures in the various embodiments described above, also can be formed by the assembly welding of size diameter, but all belong in the utility model protection domain.
This solid matter heat collector comprises inner water tank 92, outer incubator 93, some reducing glass vacuum heat collection pipes 97 and support 96, inner water tank places outer incubator inner chamber, be filled with heat-insulation layer 94 between inner water tank and outer incubator, outer incubator and glass tube with vacuum are fixed on the support 96, reducing glass vacuum heat collection pipe closed bottom end places on the tailstock 98 of support, outer incubator and inner water tank are provided with some through holes, reducing glass vacuum heat collection pipe front end (can realize sealing by the sealed silicon cushion rubber when needing) inserts each through hole, and its bottom is fixed on the support tailstock;
The highly dense row's heat collector of present embodiment can adopt wall-hanging, and described each through hole is located at the bottom of outer incubator 93 and inner water tank 92, also offers water inlet pipe and water outlet pipe 91 in the heat collector left and right sides, as shown in figure 15.Also can adopt the single-blade formula, described each through hole is located at the left and right sides either side of outer incubator and inner water tank, also offers water inlet pipe and water outlet pipe 91 in the heat collector rear and front end, as shown in figure 16.Also can adopt biplane, the left and right sides of outer incubator and inner water tank all is provided with through hole, also offers water inlet pipe and water outlet pipe 91 in the heat collector rear and front end, as shown in figure 17.
Described tailstock must be adapted to the highly dense row's heat collector by the reducing evacuated pipe assembling of the utility model, present embodiment disclose a kind of as Figure 18 to separate type tailstock shown in Figure 23, constitute by crossbeam 981 and tail holder 982, described crossbeam is provided with some paired positive stop hooks 9811, as shown in figure 22, described tail holder is made of each tail holder sleeve, each tail holder sleeve is a hollow pipe, the first half of this hollow pipe is provided with a ring-shaped depression groove 9824, be provided with a rectangular opening 9825 that is complementary with described positive stop hook 9811 in the half circle direction of hollow pipe, as shown in figure 20, the rectangular opening of each tail holder sleeve is inserted on the positive stop hook and by a location spring 983 locks, thereby realizes whole tail holder 982 is mounted on the crossbeam 981.Each reducing glass vacuum tube bottom directly is installed in each tail holder sleeve on the crossbeam, shown in 19, the ring-shaped depression groove of tail holder sleeve is used to prop up the bottom of reducing glass vacuum heat collection pipe, the restriction vacuum tube glides, and each sleeve of whole tail holder is realized each vacuum tube fixing, spacing on heat collector.When needing to dismantle behind the taking-up reducing glass vacuum heat collection pipe, as long as pull out each retainer spring, each tail holder sleeve withdraws from from rectangular opening and can break away from the tailstock crossbeam.Therefore the I﹠M of this tail holder is very convenient.
As Figure 24 to shown in Figure 27 be the disjunctor tailstock of integral type, constitute by base tail holder 984 and loam cake 985, the holder 984 of described base tail axially is the asymmetric U type of two length of sides structure along crossbeam, corresponding U type minor face is provided with the circular arc mouth 9841 that is complementary with reducing glass vacuum heat collection pipe outer tube diameter, and the reducing glass vacuum heat collection pipe places in this circular arc mouth; The long limit of corresponding U type is provided with the roundlet arc port 9842 that is complementary with reducing glass vacuum heat collection pipe outer tube round end, and the afterbody round end of reducing glass vacuum heat collection pipe props up in this circular arc mouth, is limited to move down.On identical circular arc mouth on the circular arc mouth 9851 that covers and the corresponding U type of the base tail holder minor face, just can fix the reducing glass vacuum heat collection pipe spacing loam cake 985 assembly units back to the base tail holder 984.Therefore the I﹠M of this tail holder is also very convenient.
Above-mentioned disclosed two kinds of tailstock structures are exclusively used in the highly dense row's heat collector by the assembling of reducing glass vacuum heat collection pipe; the utility model is not limited to the concrete disclosed structure of the foregoing description; any replacement means that are equal to of being done in above-mentioned mentality of designing all also will fall in the utility model protection domain.
Figure 15 in the present embodiment--Figure 17 is the three big basic high solid matter series models of reducing, and embodiment 1 and embodiment 2 every kind of casts all can be assembled into described three series models, and the interstice coverage between the adjacent reducing glass vacuum heat collection pipe can be controlled to be 0.5-10mm.Just have different characteristics when changing different reducing evacuated Guan Houqi heat collectors.Need to prove that the special-purpose reducing thermal-collecting tube that highly dense row's heat collector is installed can be selected unified cylinder structure, also can mix cylinder structure.Any replacing scheme of thermal-collecting tube also will fall in the utility model heat collector technical protection scope.
The special-purpose reducing glass vacuum heat collection pipe of the utility model solar water heater can be managed and the reducing outer tube by the reducing make-up machine and one-body molded respectively the producing in the matching used reducing footpath of moulding process (the formerly disclosed patented technology of the inventor) of special use when making; Also can produce isometrical pipe, the variable-diameter structure of outer glass pipe in being assembled into by enlarging or reducing welding then.
The glass-vacuum tube of installing on the present embodiment heat collector derives from embodiment 3 and embodiment 4, the present embodiment collector structure has been done accommodation on the basis of embodiment 5 for this reason, with the vertical row type heat collector is example, as 28, shown in Figure 29, be penetrated with runner 921 in the water tank 92, be filled with heat-conducting medium and runner 921 in the runner and be provided with thermal conducting sleeve 9211 with vacuum tube 97 corresponding quantity, runner and thermal conducting sleeve welded seal, the condensation end 82 of metal heat pipe closely inserts in the thermal conducting sleeve of runner.Operation principle: vacuum tube receives solar energy and is converted to heat energy and is delivered in the heat-conducting medium of metal heat pipe, the metal heat pipe is delivered in runner heat-conducting medium with tight contact of runner thermal conducting sleeve 9211 with heat by condensation end 82, and the heat-conducting medium of can also stores transfer of heat in inner water tank 92 again in the runner.
The glass-vacuum tube of installing on the present embodiment heat collector derives from embodiment 2, the present embodiment collector structure also needs to do accommodation on the basis of embodiment 5 for this reason, with the single-blade heat collector is example, as 30, shown in Figure 31, be penetrated with two parallel runner 921A, runner 921B in the water tank 92, the last parallel connection of runner A, runner B is welded with the U type pipe with the corresponding quantity of vacuum tube, U type pipe is corresponding to be inserted in each vacuum tube, runner is communicated with U type pipe, the junction welded seal has heat-conducting medium in U type pipe, runner A, the runner B.Operation principle: U type pipe is corresponding to be inserted in the vacuum tube, vacuum tube is delivered to heat-conducting medium in the U type pipe after receiving solar energy and being converted to heat energy, because runner is communicated with U type pipe, heat-conducting medium can flow, flow into the another side outflow from one side of U-shaped pipe, as shown in figure 31, heat-conducting medium also stores the transfer of heat in the U type pipe in water tank.
Claims (27)
1. reducing glass vacuum heat collection pipe that is exclusively used in highly dense row's heat collector, pipe and two glass tubes of outer tube in this reducing glass vacuum heat collection pipe comprises, the inside and outside fit of these two glass tubes, the afterbody bottom of interior pipe and outer tube is sealed from body respectively, the other end of outer tube links to each other with interior pipe frit seal, interior pipe from body blind end and outer tube between the body blind end, be provided with jump ring and getter, wherein jump ring is internally managed the fixing spacing of position, the interlayer between the inner and outer pipes is evacuated; Pipe is characterized in that for the endothermic tube of outer plated film in described, described in pipe and outer tube all be reducer pipe, the link reduced of interior pipe and outer tube formation undergauge section and in this undergauge section frit seal formation vacuum layer that links to each other.
2. thermal-collecting tube as claimed in claim 1 is characterized in that, described in pipe front end sealing, its undergauge segment length is in the undergauge section of outer tube and extend to form the condensation segment that can contact with water in the heat collector inner water tank, pours into phase change medium in the pipe in described.
3. thermal-collecting tube as claimed in claim 2, it is characterized in that, this thermal-collecting tube also comprises heat insulation pedestal, described heat insulation pedestal be arranged in the afterbody interlayer of inside and outside two glass tubes and and interior pipe between welding fix, be installed between outer tube and the heat insulation pedestal to realize internally managing the fixing spacing of position by jump ring.
4. thermal-collecting tube as claimed in claim 2, it is characterized in that, be built-in with the 3rd pipe of the airtight end opening of an end at interior pipe, the interior position of pipe was fixing spacing in its front end blind end was implemented in by supporting spring, its tail end and interior pipe tail end fusion sealing, thereby the 3rd tube cavity is communicated with interlayer between the inner and outer pipes and forms the one vacuum, is provided with the heat conduction with phase change medium between described the 3rd pipe outer wall and the interior pipe.
5. thermal-collecting tube as claimed in claim 4 is characterized in that, interior pipe bottom and the 3rd pipe afterbody are fused into ring and form heat insulation pedestal, and this heat insulation pedestal is the afterbody section of stretching out of the 3rd pipe, and described jump ring is installed between this heat insulation pedestal and the outer tube.
6. thermal-collecting tube as claimed in claim 2 is characterized in that, described interior pipe appearance adds with metal heat absorption fin, and fin is wrapped on the interior pipe.
7. thermal-collecting tube as claimed in claim 6, it is characterized in that, described metal fin is the long trough structural member that the cross section is semicircular arc, these bathtub construction part both sides have with axis at conplane symmetrical flanging, circular arc internal diameter and interior external diameter of pipe are suitable, and described metal heat absorption fin is on inner pipe fixedly connected by compressing member.
8. thermal-collecting tube as claimed in claim 6 is characterized in that, described heat absorption fin axially is whole or the polylith combination along glass tube.
9. thermal-collecting tube as claimed in claim 6 is characterized in that, interior pipe and metal heat absorption fin all have one deck light-absorption layer.
10. thermal-collecting tube as claimed in claim 1, it is characterized in that, pipe and its diameter of leading portion of outer tube dwindle simultaneously and form the undergauge section and link to each other in this undergauge section frit seal in described, and this inside and outside undergauge section is inserted heat collector through hole and is used for installing, the described interior front opening of managing.
11. thermal-collecting tube as claimed in claim 10, it is characterized in that, this thermal-collecting tube also comprises heat insulation pedestal, described heat insulation pedestal be arranged in the afterbody interlayer of inside and outside two glass tubes and and interior pipe between welding fix, jump ring is set in order to realize internally managing the fixing spacing of position between outer tube and the heat insulation pedestal.
12. thermal-collecting tube as claimed in claim 10 is characterized in that, this thermal-collecting tube also comprises hollow pipe, and this hollow pipe is the self-enclosed cavity pipes in two ends, and in the pipe, its two ends are limited in the interior pipe by jump ring respectively in placing.
13. thermal-collecting tube as claimed in claim 10, it is characterized in that, this thermal-collecting tube is built-in with the 3rd pipe of the airtight end opening of an end in interior pipe, the interior position of pipe was fixing spacing in its front end blind end was implemented in by supporting spring, its tail end and interior pipe tail end fusion sealing, thereby its inner chamber is communicated with interlayer between the inner and outer pipes and forms the one vacuum, is aqueous medium between described the 3rd pipe and the inner tube wall, is communicated with the heat collector water tank.
14. thermal-collecting tube as claimed in claim 13 is characterized in that, oppositely manages with interior pipe hot melt the 3rd with interior pipe tail end fusion sealing place at the 3rd pipe to be sealed again, thereby makes the 4th cavity structure of the common formation of the 3rd pipe and interior pipe.
15. thermal-collecting tube as claimed in claim 10 is characterized in that, described interior pipe appearance adds with metal heat absorption fin, and fin is wrapped on the interior pipe.
16. thermal-collecting tube as claimed in claim 15, it is characterized in that, described metal fin is the long trough structural member that the cross section is semicircular arc, these bathtub construction part both sides have with axis at conplane symmetrical flanging, circular arc internal diameter and interior external diameter of pipe are suitable, and described metal heat absorption fin is on inner pipe fixedly connected by compressing member.
17. thermal-collecting tube as claimed in claim 15 is characterized in that, described heat absorption fin axially is whole or the polylith combination along glass tube.
18. thermal-collecting tube as claimed in claim 15 is characterized in that, interior pipe and metal heat absorption fin all have one deck light-absorption layer.
19., it is characterized in that the interstice coverage between the described adjacent reducing glass vacuum heat collection pipe is 0.5-10mm as the arbitrary described heat collector of claim 1 to 18.
20. reducing glass vacuum heat collection pipe that is exclusively used in highly dense row's heat collector, pipe and two glass tubes of outer tube in this reducing glass vacuum heat collection pipe comprises, the inside and outside fit of these two glass tubes, the afterbody bottom of interior pipe and outer tube is sealed from body respectively, the other end of outer tube links to each other with interior pipe frit seal, interior pipe from body blind end and outer tube between the body blind end, be provided with jump ring and getter, wherein jump ring is internally managed the fixing spacing of position, the interlayer between the inner and outer pipes is evacuated; Pipe is the endothermic tube of outer plated film in described, it is characterized in that, pipe and outer tube all are reducer pipe in described, interior pipe dwindles formation undergauge section simultaneously with its diameter of leading portion of outer tube and links to each other in this undergauge section frit seal, should be used for installing by inside and outside undergauge section insertion heat collector through hole, pipe front opening in described, in interior pipe, be provided with the collector metal device, this device comprises interconnective metal heat absorption fin and metal heat pipe, whole metal fin places interior pipe, the metal heat pipe is to be filled with phase change medium in closed at both ends and the pipe, and the thin segment of metal heat pipe is by realizing location and appropriateness sealing between plug and the inner and outer pipes front end, and its thick section is its condensation end.
21. reducing glass vacuum heat collection pipe that is exclusively used in highly dense row's heat collector, it is characterized in that comprise outer tube and collector metal device, the bottom of outer tube is sealed from body, the other end of outer tube links to each other with the frit seal of collector metal device, and whole outer tube leading portion forms undergauge; Vacuum in the outer tube is provided with jump ring and getter in it, jump ring is used for fixing the position of collector metal device in outer tube; Described collector metal device comprises interconnective metal heat absorption fin and metal heat pipe, whole metal fin places outer tube and by bracing frame fin is positioned, described metal heat pipe is to be filled with phase change medium in closed at both ends and the pipe, realize both location and tight seal between the thin segment of metal heat pipe and the outer tube front end by the metal transfer baffle plate, the thick section of metal heat pipe is its condensation end.
22. highly dense row's heat collector, it is characterized in that, this heat collector comprises inner water tank, outer incubator, some reducing glass vacuum heat collection pipes and support, inner water tank places outer incubator inner chamber, be filled with heat-insulation layer between inner water tank and outer incubator, outer incubator and reducing glass vacuum heat collection pipe are fixed on the support, reducing glass vacuum heat collection pipe closed bottom end places on the support tailstock, outer incubator and inner water tank are provided with some through holes, reducing glass vacuum heat collection pipe undergauge section is inserted each through hole, and its bottom is installed in the holder of tailstock tail;
This highly dense row's heat collector or employing vertical row type, described each through hole is located at the bottom of outer incubator and inner water tank, also offers water inlet pipe and water outlet pipe in the heat collector left and right sides;
This highly dense row's heat collector or employing horizontally-arranged single-blade formula, described each through hole is located at the left and right sides either side of outer incubator and inner water tank, also offers water inlet pipe and water outlet pipe in two ends up and down at the heat collector water tank;
This highly dense row's heat collector or employing horizontally-arranged biplane, the left and right sides of outer incubator and inner water tank all is provided with through hole, also offers water inlet pipe and water outlet pipe in two ends up and down at the heat collector water tank.
23. heat collector as claimed in claim 22, it is characterized in that, described tailstock is made of crossbeam and tail holder, described crossbeam is provided with some paired positive stop hooks, described tail holder is made of each tail holder sleeve, and each tail holder sleeve is a hollow pipe, and the first half of this hollow pipe is provided with a ring-shaped depression groove, be provided with a rectangular opening that is complementary with described positive stop hook in the half circle direction of hollow pipe, the rectangular opening of each tail holder sleeve is inserted on the positive stop hook and is tight by a location springlock.
24. heat collector as claimed in claim 22, it is characterized in that, described tailstock is made of holder of base tail and loam cake, the holder of described base tail axially is the asymmetric U type of two length of sides structure along crossbeam, corresponding U type minor face is provided with the circular arc mouth that is complementary with reducing glass vacuum heat collection pipe outer tube diameter, the long limit of corresponding U type is provided with the roundlet arc port that is complementary with reducing glass vacuum heat collection pipe outer tube round end, on the circular arc mouth that covers identical with circular arc mouth on the corresponding U type of the base tail holder minor face.
25. heat collector as claimed in claim 22, it is characterized in that, described reducing glass vacuum heat collection pipe adopts the thermal-collecting tube in the claim 20 or 21, be penetrated with runner in the described inner water tank, be filled with heat-conducting medium and runner in the runner and be provided with thermal conducting sleeve with the corresponding quantity of reducing glass vacuum heat collection pipe, runner and thermal conducting sleeve welded seal, the condensation end of metal heat pipe closely inserts in the thermal conducting sleeve of runner.
26. heat collector as claimed in claim 22, it is characterized in that, described reducing glass vacuum heat collection pipe adopts the arbitrary described thermal-collecting tube of claim 10 to 15, be penetrated with two parallel runners (921A), runner (921B) in the described inner water tank, runner (921A), the last parallel connection of runner (921B) are welded with the U type pipe with the corresponding quantity of reducing glass vacuum heat collection pipe, U type pipe is corresponding to be inserted in each reducing glass vacuum heat collection pipe, runner is communicated with U type pipe, the junction welded seal has heat-conducting medium in U type pipe, runner (921A), the runner (921B).
27. heat collector as claimed in claim 22, it is characterized in that, highly dense row's heat collector of described vertical row type, the upper heat conduction with phase change medium that is provided with of getter helps the steaming ring in the heat-collecting pipe vacuum layer, and this heat conduction with phase change medium helps to steam to encircle and is used for holding back the heat conduction with phase change medium that the storage vacuum layer liquefies.
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| CN2010205066445U CN201787759U (en) | 2010-08-24 | 2010-08-24 | High-density row heat collector and special reducing glass vacuum heat collecting tube thereof |
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| CN2010205066445U CN201787759U (en) | 2010-08-24 | 2010-08-24 | High-density row heat collector and special reducing glass vacuum heat collecting tube thereof |
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| CN201787759U true CN201787759U (en) | 2011-04-06 |
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| CN102374686A (en) * | 2010-08-24 | 2012-03-14 | 李佳雪 | High-density arranged heat collector and special reducing glass vacuum heat collecting pipe thereof |
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| CN109724266A (en) * | 2019-03-02 | 2019-05-07 | 彭佳妮 | A kind of evacuated collector tube of solar water heater |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102374686A (en) * | 2010-08-24 | 2012-03-14 | 李佳雪 | High-density arranged heat collector and special reducing glass vacuum heat collecting pipe thereof |
| CN102374686B (en) * | 2010-08-24 | 2015-02-04 | 李佳雪 | High-density arranged heat collector and special reducing glass vacuum heat collecting pipe thereof |
| CN102155809A (en) * | 2011-05-20 | 2011-08-17 | 北京天普太阳能工业有限公司 | Full-glass vacuum solar heat collection tube with extending section on inner tube |
| CN103134223A (en) * | 2012-12-18 | 2013-06-05 | 嘉兴市同济阳光新能源有限公司 | Rapid large diameter vacuum pipe with high use ratio |
| CN103375934A (en) * | 2013-05-03 | 2013-10-30 | 李佳雪 | Internal reflective evacuated collector tube, forming device and close-packed collector |
| CN103383153A (en) * | 2013-05-03 | 2013-11-06 | 李佳雪 | Vacuum heat collection heat pipe, formation device and close heat collector |
| CN103383154A (en) * | 2013-05-03 | 2013-11-06 | 李佳雪 | Vacuum heat collection pipe with variable diameter outside and flat-plate inside, forming device, and closely arranged collector |
| CN103375934B (en) * | 2013-05-03 | 2015-11-04 | 李佳雪 | Interior reflecting type vacuum heat collection pipe, shaped device and solid matter heat collector |
| CN109724266A (en) * | 2019-03-02 | 2019-05-07 | 彭佳妮 | A kind of evacuated collector tube of solar water heater |
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