CN105605801B - A kind of cavity type heat absorber applied to solar energy line focus heat collector - Google Patents
A kind of cavity type heat absorber applied to solar energy line focus heat collector Download PDFInfo
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- CN105605801B CN105605801B CN201610130208.4A CN201610130208A CN105605801B CN 105605801 B CN105605801 B CN 105605801B CN 201610130208 A CN201610130208 A CN 201610130208A CN 105605801 B CN105605801 B CN 105605801B
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- hot plate
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- type heat
- cavity type
- solar energy
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S20/00—Solar heat collectors specially adapted for particular uses or environments
- F24S20/20—Solar heat collectors for receiving concentrated solar energy, e.g. receivers for solar power plants
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S23/00—Arrangements for concentrating solar-rays for solar heat collectors
- F24S23/70—Arrangements for concentrating solar-rays for solar heat collectors with reflectors
- F24S23/77—Arrangements for concentrating solar-rays for solar heat collectors with reflectors with flat reflective plates
-
- 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
-
- 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
- F24S10/70—Solar heat collectors using working fluids the working fluids being conveyed through tubular absorbing conduits
- F24S10/75—Solar heat collectors using working fluids the working fluids being conveyed through tubular absorbing conduits with enlarged surfaces, e.g. with protrusions or corrugations
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S23/00—Arrangements for concentrating solar-rays for solar heat collectors
- F24S23/70—Arrangements for concentrating solar-rays for solar heat collectors with reflectors
- F24S23/74—Arrangements for concentrating solar-rays for solar heat collectors with reflectors with trough-shaped or cylindro-parabolic reflective surfaces
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S40/00—Safety or protection arrangements of solar heat collectors; Preventing malfunction of solar heat collectors
- F24S40/50—Preventing overheating or overpressure
- F24S40/52—Preventing overheating or overpressure by modifying the heat collection, e.g. by defocusing or by changing the position of heat-receiving elements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S50/00—Arrangements for controlling solar heat collectors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S80/00—Details, accessories or component parts of solar heat collectors not provided for in groups F24S10/00-F24S70/00
- F24S80/40—Casings
- F24S80/45—Casings characterised by the material
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S80/00—Details, accessories or component parts of solar heat collectors not provided for in groups F24S10/00-F24S70/00
- F24S80/60—Thermal insulation
-
- 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
- F24S10/70—Solar heat collectors using working fluids the working fluids being conveyed through tubular absorbing conduits
- F24S10/75—Solar heat collectors using working fluids the working fluids being conveyed through tubular absorbing conduits with enlarged surfaces, e.g. with protrusions or corrugations
- F24S2010/751—Special fins
- F24S2010/752—Special fins extending obliquely
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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 invention discloses a kind of cavity type heat absorbers applied to solar energy line focus heat collector, including endothermic tube, inner rib plate, outer fin, outer fin is connect with shell cavity by the fixing bolt of the smaller material of thermal coefficient, junction installs thermal-insulation baffle plate additional, shell cavity is by shell internal layer, air blanketing or vacuum layer, shell outer layer three parts form, insulating layer is equipped between absorber and shell internal layer, cavity hatch are equipped with glass cover-plate, both sides are equipped with reflecting plate inside cavity hatch, reflecting plate is in vertical direction with fixed angle, towards endothermic tube, form trapezium structure wide at the top and narrow at the bottom, cavity bottom crosses hot plate equipped with anti-, anti- hot plate lower surface of crossing is coated with reflectance coating, cavity type heat absorber is connect by stand connection with holder, it is fixed on concentrator.The cavity type heat absorber of the present invention has the characteristics that optical property height, good heat-transfer, heat loss is small, size is small, anti-overheat, modularization are installed, and technical support is provided for the further large-scale promotion application of solar energy line focus heat collector.
Description
Technical field
The present invention relates to a kind of cavity type heat absorber, more particularly to a kind of cavate applied to solar energy line focus heat collector is inhaled
Hot device.
Background technology
Solar energy line focus heat collector is currently most ripe one of the product in solar energy high temperature heat utilization field, can be with
Applied to multiple fields such as power generation, heating, refrigeration, many relevant demonstration projects are established both at home and abroad.
In solar energy line focus heat collector, through type glass-metal evacuated collector tube is a kind of commonly used sun
It can heat dump.It is coated with coating for selective absorption outside metal heat absorption tube, outer sheath is with glass tube to reduce heat loss, metal tube and glass
It is vacuumized between glass casing, both ends are tightly connected.This heat dump collecting efficiency is higher, but that there are production difficulties is higher with cost,
The problems such as vacuum between metal tube and glass tube is difficult to keep for a long time.
Cavity type heat absorber has many advantages, such as that collecting efficiency is higher, and manufacturing cost is relatively low, reliability is higher, and many scholars are to this
Kind heat dump conducts in-depth research.Patent CN 101551169A have invented a kind of cavity type of triangular cavity structure too
Positive energy absorber, makes full use of sun incident light to improve optical efficiency with secondary reflection light, and glass cover-plate is arranged in cavity hatch.
Patent CN 204313509U disclose it is a kind of include setting thermal-arrest inner and outer tubes in the same direction cavity type thermal-collecting tube, inner tube with it is outer
Thermal insulation material is filled in tube chamber between pipe.It includes circular metal cavity and spiral that patent CN 204084912U, which are disclosed a kind of,
The cavity type thermal-collecting tube of formula Metal absorption pipe.The patent of previous correlative theses and application is for cavity type heat absorber mostly
Planform is designed optimization, and the Insulation taken is substantially to fill to commonly use thermal insulation material between endothermic tube and shell cavity,
And glass cover-plate is set in cavity hatch.Optics and heat transfer efficiency are improved for cavity type heat absorber, reduce heat loss and
Summer, anti-problems of excessive heat remained unsolved.
Invention content
In order to solve the problems in the existing technology, the present invention provides a kind of applied to solar energy line focus heat collector
Cavity type heat absorber, overcomes cavity type heat absorber optics in the prior art and heat transfer efficiency is low, heat loss is big and over-heating in summer is asked
Topic.
The technical solution adopted by the present invention is：A kind of cavity type heat absorber applied to solar energy line focus heat collector, including
Absorber and shell cavity, the absorber include endothermic tube, and inner rib plate, outer fin three parts, outer fin and shell cavity are logical
The fixing bolt connection of the smaller material of thermal coefficient is crossed, junction installs thermal-insulation baffle plate additional, and shell cavity is pressed from both sides by shell internal layer, air
Layer or vacuum layer, shell outer layer three parts composition, are equipped with insulating layer, cavity hatch are equipped with glass between absorber and shell internal layer
Glass cover board, cavity hatch inside both sides are equipped with reflecting plate, and reflecting plate is formed in vertical direction with fixed angle towards endothermic tube
Trapezium structure wide at the top and narrow at the bottom, cavity bottom cross hot plate equipped with anti-, and anti-hot plate lower surface of crossing is coated with reflectance coating, cavity type heat absorber
It connect, is fixed on concentrator with holder by stand connection.
The endothermic tube, inner rib plate, outer fin are metal material, and endothermic tube is pipe, and internal flow has heat-transfer working medium, are inhaled
Inner rib plate is equipped in heat pipe, heat absorption tube wall is coated with coating for selective absorption, outer fin both sides and vertical direction with outer fin surface
At fixed angle, trapezium structure is formed.
The glass cover-plate is embedded between shell internal layer and shell outer layer, and glass cover-plate lower surface centre position is set to
Concentrator focal point.
The anti-hot plate of crossing crosses the control of hot plate control mechanism by anti-, crosses the driving of hot plate transmission mechanism by anti-, realizes anti-mistake
The open and close of hot plate.
The anti-hot plate of crossing is designed in cavity both sides or side, crosses the rotation of hot plate shaft around anti-, hot plate control machine is crossed by anti-
Structure controls, and crosses the driving of hot plate transmission mechanism by anti-, anti-hot plate transmission mechanism form of crossing is belt or gear drive, by motor control
System.
The anti-hot plate of crossing may be that flexible material is made, and crosses the control open and close of hot plate control mechanism by anti-, leads to
It crosses anti-hot plate transmission mechanism of crossing to drive, anti-hot plate transmission mechanism of crossing is belt or chain form, is driven by fulcrum of pulley, by electricity
Machine controls.
The anti-hot plate excessively can also be roller shutter structure, be designed in cavity both sides or side, the anti-hot plate driver excessively
Structure and anti-hot plate control mechanism of crossing are that the anti-of entirety crosses hot plate transmission controlling mechanism, and in the on state, anti-hot plate of crossing is received
Contracting is crossed anti-in hot plate transmission controlling mechanism；In the closed state, cavity hatch is blocked in the anti-stretching, extension of hot plate excessively.The anti-hot plate excessively
Control mechanism is controlled using active motor or is driven using passive type thermal expansion to control the anti-unlatching for crossing hot plate and pass
It closes.
The stand connection is made of upper and lower two parts, and geometry matches with absorber, stand connection and chamber
Formula heat dump junction is laid with thermal insulation material, and two parts are bolted stand connection up and down.
The cavity type heat absorber modularized design, two neighboring heat dump is by screw thread, flange or is welded to connect, by branch
Frame connector is connect with holder, is fixed on concentrator.
The beneficial effects of the invention are as follows：The present invention inside cavity type heat absorber by being arranged reflecting plate, and in endothermic tube
The outer fin of outer setting trapezium structure, effectively improves cavity type heat absorber optical efficiency.By designing inner rib plate in endothermic tube, effectively
Improve heat transfer efficiency.It is thermally shielded " bridge cut-off " processing by cavity type heat absorber absorber and shell cavity junction, utilizes heat conduction
The fixing bolt of the smaller material of coefficient connects, and junction installs thermal-insulation baffle plate additional, and designs glass cover-plate in cavity hatch, has
Effect reduces outside radiation loss.The conventional thermal insulation material of design can reduce cavate with air blanketing or vacuum layer compound insulation structure
Heat dump size is exposed to the area of outdoor air to reduce it, reduces heat loss.Anti- mistake is designed in cavity type heat absorber opening
Hot plate can effectively solve the problems, such as cavity type heat absorber over-heating in summer, without as at present frequently with mobile concentrator mode, phase
Than under, several anti-hot plate flexible forms excessively that the present invention designs are convenient.Pass through the holder to match with absorber geometry
Stud connector design can effectively realize cavity type heat absorber modularization assembling and design.
The present invention cavity type heat absorber have optical property height, good heat-transfer, heat loss is small, size is small, anti-overheat, mould
The features such as blockization is installed, technical support is provided for the further large-scale promotion application of solar energy line focus heat collector.
Description of the drawings
Fig. 1 is the cavity type heat absorber of embodiment 1 perpendicular to length direction sectional view；
Fig. 2 is the cavity type heat absorber end axonometric drawing of embodiment 1；
Fig. 3 is cavity type heat absorber end frame connector shaft mapping；
Fig. 4 is that cavity type heat absorber connect axonometric drawing with paraboloid groove type condenser；
Fig. 5 is cavity type heat absorber thermal-arrest sectional view；
Fig. 6 is the cavity type heat absorber opening state sectional view of embodiment 1；
Fig. 7 is the cavity type heat absorber axonometric drawing of embodiment 2；
Fig. 8 is 2 cavity type heat absorber opening state sectional view of embodiment；
Fig. 9 is 2 cavity type heat absorber closed state sectional view of embodiment；
Figure 10 is 3 cavity type heat absorber opening state sectional view of embodiment；
Figure 11 is 3 cavity type heat absorber closed state sectional view of embodiment；
In figure：1, endothermic tube, 2, inner rib plate, 3, outer fin, 4, fixing bolt, 5, thermal-insulation baffle plate, 6, insulating layer, 7, shell
Internal layer, 8, air blanketing or vacuum layer, 9, shell outer layer, 10, glass cover-plate, 11, reflecting plate, 12, stand connection, 13a, reality
Apply it is anti-in example 1 cross hot plate, it is anti-in 13b, embodiment 2 to cross hot plate, it is anti-in 13c, embodiment 3 to cross hot plate, 14, reflectance coating, 15, anti-
Cross hot plate shaft, it is anti-in 16a, embodiment 1 to cross hot plate transmission mechanism, it is anti-in 16b, embodiment 2 to cross hot plate transmission mechanism, 17a, reality
Apply it is anti-in example 1 cross hot plate control mechanism, anti-in 17b, embodiment 2 to cross hot plate control mechanism, anti-hot plate of crossing passes in 17c, embodiment 3
Dynamic control mechanism.
Specific implementation mode
The structure of the present invention is described further with embodiment referring to the drawings.
Embodiment 1
As shown in Figs. 1-2, the present invention is cavity type heat absorber applied to solar energy line focus heat collector, including absorber and
Shell cavity, the absorber include endothermic tube 1, inner rib plate 2,3 three parts of outer fin, endothermic tube 1, inner rib plate 2, outer fin 3
For metal material, endothermic tube 1 is pipe, and internal flow has heat-transfer working medium, and inner rib plate 2 is equipped in endothermic tube 1 to enhance heat transfer, is inhaled
Heat pipe wall is coated with coating for selective absorption (absorptivity is big, and emissivity is small) with 3 surface of outer fin, is absorbed into cavity jointly too
Sunlight transfers heat to heat-transfer working medium.3 both sides of outer fin in vertical direction with fixed angle (towards cavity hatch direction),
Form trapezium structure.Cavity type heat absorber absorber is thermally shielded " bridge cut-off " processing with shell cavity junction, is dissipated outward with reducing
Heat loss, outer fin 3 are connect with shell cavity by the fixing bolt 4 of the smaller material of thermal coefficient, and junction installs thermal insulation separation additional
Plate 5 forms the higher absorber of temperature and the heat-insulated connection processing of shell cavity, reduces outside conductive heat loss.Shell cavity is by outer
Shell internal layer 7, air blanketing or vacuum layer 8,9 three parts of shell outer layer composition are formed using narrow air blanketing or vacuum layer 8 and are protected
Warm structure.Between absorber and shell internal layer be equipped with insulating layer 6, cavity hatch be equipped with glass cover-plate 10 to reduce heat loss,
Glass cover-plate 10 is embedded between shell internal layer 7 and shell outer layer 9, and 10 lower surface centre position of glass cover-plate is set to concentrator
Focal point.Both sides are equipped with reflecting plate 11 (reflectivity is high, emissivity is low) inside cavity hatch, will enter secondary in cavity (or more
It is secondary) reflection after sunlight be reflected into 3 surface of endothermic tube 1 or outer fin.Reflecting plate 11 is in vertical direction with fixed angle, towards suction
Heat pipe, forms trapezium structure wide at the top and narrow at the bottom, cavity bottom be equipped with it is anti-cross hot plate 13a, to prevent summer solar radiation too strong or
Overheat in cavity when need not use heat.The anti-lower surfaces hot plate 13a of crossing are coated with reflectance coating 14, and the anti-hot plate 13a that crosses is in cavity both sides
Or side design, it is rotated around anti-hot plate shaft 15 of crossing, crosses the 17a controls of hot plate control mechanism by anti-, hot plate driver is crossed by anti-
Structure 16a drivings, realize the anti-unlatching (such as Fig. 6) for crossing hot plate 13a and close (such as Fig. 1).It is anti-cross hot plate transmission mechanism 16a forms be
Belt or gear drive, are controlled by motor.
As shown in figure 3, stand connection 12 is made of upper and lower two parts, geometry matches with absorber, and holder connects
Fitting 12 is laid with thermal insulation material with cavity type heat absorber junction, and about 12 two parts of stand connection are bolted.
As shown in figure 5,10 lower surface centre position of heat dump open glass cover board is mounted on concentrator focal point, sunlight
It is focused and is entered in cavity type heat absorber cavity by concentrator, by multiple reflections, endothermic tube 1 can absorb big absolutely with outer fin 3
Part enters the solar energy in cavity, and the heat-transfer working medium in endothermic tube 1 is transferred energy to by heat conduction, convection action, conducts heat
Working medium realizes heating by heating, to realize for solar energy heating utilization.Inner rib plate 2 is set in endothermic tube 1, to enhance heat absorption
Heat transfer of the tube wall for heat-transfer working medium.
During thermal-arrest, concentrator generally constantly tracks the sun, and the anti-hot plate 13a that crosses crosses hot plate control mechanism 17a anti-
Control under, be in open state, the solar energy of focusing can penetrate glass cover-plate 10 and enter in cavity.In summer solar radiation
It is too strong or when need not use heat, to prevent from overheating in cavity, it is anti-cross the control of hot plate control mechanism 17a under, it is anti-to cross hot plate 13a
Realize closed state.The sunlight focused at this time is radiated on anti-hot plate 13a excessively, can be effectively reflected.
Cavity type heat absorber can need to carry out modularized design according to thermal-arrest, and two neighboring heat dump passes through screw thread, flange
Or welding is connected in series with, and is connect with holder by the stand connection 12 to match with absorber geometry, is fixed on optically focused
On device, it is as shown in Figure 4 that cavity type heat absorber with paraboloid groove type condenser is combined effect.
Embodiment 2
The present embodiment is identical as the cavity type heat absorber major part structure of embodiment 1, differs only in anti-hot plate of crossing and is controlled with it
Mechanism processed and transmission mechanism are different from embodiment 1.As Figure 7-9, the anti-hot plate 13b that crosses of the present embodiment is flexible material system
At surface applies reflecting coating, crosses the 17b control open and close of hot plate control mechanism by anti-, hot plate transmission mechanism 16b is crossed by anti-
Driving, the anti-hot plate transmission mechanism 16b that crosses is belt or chain form, is driven by fulcrum of pulley, is controlled by motor.
Embodiment 3
The present embodiment is identical as the cavity type heat absorber major part structure of embodiment 1, differs only in anti-hot plate of crossing and is controlled with it
Mechanism processed is different from embodiment 1.As shown in figs. 10-11, the anti-hot plate 13c that crosses of the present embodiment is roller shutter structure, in cavity both sides
(or side) is designed, and surface applies reflecting coating.In the on state, anti-hot plate 13c excessively is contracted in anti-hot plate transmission controlling machine excessively
In structure 17c；In the closed state, cavity hatch is blocked in the anti-stretching, extensions of hot plate 13c excessively.The anti-hot plate transmission controlling mechanism 17c of crossing can be with
It is controlled, can also be driven using passive type thermal expansion to control the anti-open and close for crossing hot plate 13c using active motor.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (9)
1. a kind of cavity type heat absorber applied to solar energy line focus heat collector, including absorber and shell cavity, feature exist
Include endothermic tube in, the absorber, inner rib plate, outer fin three parts, outer fin is smaller by thermal coefficient with shell cavity
The fixing bolt of material connects, and junction installs thermal-insulation baffle plate additional, and shell cavity is by shell internal layer, air blanketing or vacuum layer, outer
Shell outer layer three parts form, and insulating layer is equipped between absorber and shell internal layer, and cavity hatch are equipped with glass cover-plate, and cavity is opened
Mouthful internal both sides are equipped with reflecting plate, and reflecting plate is in vertical direction with fixed angle, towards endothermic tube, are formed wide at the top and narrow at the bottom trapezoidal
Structure, cavity bottom cross hot plate equipped with anti-, and anti-hot plate lower surface of crossing is coated with reflectance coating, and cavity type heat absorber is by stand connection
It connect, is fixed on concentrator with holder；The endothermic tube, inner rib plate, outer fin are metal material, and endothermic tube is pipe, interior
Portion's flowing has heat-transfer working medium, and inner rib plate is equipped in endothermic tube, and heat absorption tube wall is coated with coating for selective absorption with outer fin surface, outside
Fin both sides form trapezium structure in vertical direction with fixed angle.
2. the cavity type heat absorber according to claim 1 applied to solar energy line focus heat collector, which is characterized in that described
Glass cover-plate is embedded between shell internal layer and shell outer layer, and glass cover-plate lower surface centre position is set to concentrator focus
Place.
3. the cavity type heat absorber according to claim 1 applied to solar energy line focus heat collector, which is characterized in that described
It is anti-cross hot plate by it is anti-cross hot plate control mechanism control, by it is anti-cross hot plate transmission mechanism driving, realize it is anti-cross hot plate unlatching with
It closes.
4. the cavity type heat absorber according to claim 3 applied to solar energy line focus heat collector, which is characterized in that described
Anti- hot plate of crossing is designed in cavity both sides or side, and the rotation of hot plate shaft is crossed around anti-, the control of hot plate control mechanism is crossed by anti-, by anti-
The driving of hot plate transmission mechanism is crossed, anti-hot plate transmission mechanism form of crossing is belt or gear drive, is controlled by motor.
5. the cavity type heat absorber according to claim 3 applied to solar energy line focus heat collector, which is characterized in that described
Anti- hot plate of crossing is made of flexible material, crosses the control open and close of hot plate control mechanism by anti-, hot plate transmission mechanism is crossed by anti-
Driving, anti-hot plate transmission mechanism of crossing is belt or chain form, is driven by fulcrum of pulley, is controlled by motor.
6. the cavity type heat absorber according to claim 3 applied to solar energy line focus heat collector, which is characterized in that described
Anti- hot plate of crossing is roller shutter structure, is designed in cavity both sides or side, described anti-to cross hot plate transmission mechanism and anti-cross hot plate control machine
Structure is that the anti-of entirety crosses hot plate transmission controlling mechanism, in the on state, it is anti-cross hot plate and be contracted in anti-cross hot plate transmission control
In mechanism processed；In the closed state, cavity hatch is blocked in the anti-stretching, extension of hot plate excessively.
7. the cavity type heat absorber according to claim 6 applied to solar energy line focus heat collector, which is characterized in that described
Anti- hot plate control mechanism excessively is controlled using active motor or is driven using passive type thermal expansion to control anti-hot plate excessively
It opens and closes.
8. the cavity type heat absorber according to claim 1 applied to solar energy line focus heat collector, which is characterized in that described
Stand connection is made of upper and lower two parts, and geometry matches with absorber, and stand connection is connect with cavity type heat absorber
Place is laid with thermal insulation material, and two parts are bolted stand connection up and down.
9. the cavity type heat absorber according to claim 1 applied to solar energy line focus heat collector, which is characterized in that described
Cavity type heat absorber modularized design, two neighboring heat dump is by screwed flange or is welded to connect, by stand connection and branch
Frame connects, and is fixed on concentrator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610130208.4A CN105605801B (en) | 2016-03-08 | 2016-03-08 | A kind of cavity type heat absorber applied to solar energy line focus heat collector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610130208.4A CN105605801B (en) | 2016-03-08 | 2016-03-08 | A kind of cavity type heat absorber applied to solar energy line focus heat collector |
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| CN105605801A CN105605801A (en) | 2016-05-25 |
| CN105605801B true CN105605801B (en) | 2018-07-20 |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205403189U (en) * | 2016-03-08 | 2016-07-27 | 天津大学 | Be applied to cavate heat absorber of solar energy line focus heat collector |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102005054367A1 (en) * | 2005-11-15 | 2007-05-16 | Durlum Leuchten | solar collector |
| CN101237200A (en) * | 2008-03-05 | 2008-08-06 | 云南师范大学 | Slot light- focused solar light voltage thermal compound heat collector |
| CN102192611A (en) * | 2010-03-19 | 2011-09-21 | 上海锦立新能源科技有限公司 | Control method of solar anti-overheat shading system |
| CN202204186U (en) * | 2011-06-15 | 2012-04-25 | 云南师范大学 | Trench type line focus medium-and-low-temperature integrated solar thermal collector |
| CN102425865B (en) * | 2011-11-07 | 2013-06-05 | 深圳市联讯创新工场科技开发有限公司 | Solar heat collecting device |
| CN103134204A (en) * | 2011-11-24 | 2013-06-05 | 陕西科林能源发展股份有限公司 | Optical system for solar thermal power generation |
| CN203336864U (en) * | 2013-07-15 | 2013-12-11 | 沧州天瑞星光热技术有限公司 | Medium-high temperature solar evacuated collector tube used for slot type heat collecting system |
| CN204165254U (en) * | 2014-10-28 | 2015-02-18 | 滕了了 | The automatic over-temperature protection of a kind of solar water heater |
| CN204313509U (en) * | 2014-11-26 | 2015-05-06 | 中海阳能源集团股份有限公司 | A kind of solar energy heating cavity type thermal-collecting tube |
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2016
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205403189U (en) * | 2016-03-08 | 2016-07-27 | 天津大学 | Be applied to cavate heat absorber of solar energy line focus heat collector |
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