CN209819911U - Solar heat absorber with built-in lens capable of axially reciprocating - Google Patents
Solar heat absorber with built-in lens capable of axially reciprocating Download PDFInfo
- Publication number
- CN209819911U CN209819911U CN201920659200.6U CN201920659200U CN209819911U CN 209819911 U CN209819911 U CN 209819911U CN 201920659200 U CN201920659200 U CN 201920659200U CN 209819911 U CN209819911 U CN 209819911U
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- CN
- China
- Prior art keywords
- lens
- heat absorber
- heat
- lens mounting
- end cover
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
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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
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- Photovoltaic Devices (AREA)
Abstract
The utility model discloses a solar heat absorber with a built-in lens capable of axially reciprocating, which comprises a heat absorber shell, a heat absorbing device, a quartz glass window, a non-planar lens and a lens mounting rack; the heat absorption device is arranged in the heat absorber shell; the quartz glass window is fixedly arranged at the sunlight inlet of the shell of the heat absorber through an end cover; the lens mounting frame is of an annular structure and made of magnetic materials, and a non-planar lens is arranged at the central hole of the lens mounting frame; the lens mounting rack is positioned in the heat absorber shell and is connected with the end cover through a plurality of springs; the quartz glass window is parallel to the lens mounting rack; the end cover is provided with a plurality of pulse electromagnets, and the magnetic force between the lens mounting rack and the pulse electromagnets can realize that the lens mounting rack is close to the quartz glass window. The utility model discloses can carry out dynamic adjustment to the solar radiation direction that the incidence got into in the heat absorber, make the even arrival heat absorbing medium surface of solar radiation energy dynamic, improve heat sink's thermal conversion efficiency.
Description
Technical Field
The utility model relates to a solar energy spotlight thermal-arrest utilizes equipment technical field, especially relates to a but solar heat absorber of built-in axial reciprocating motion lens.
Background
The heat absorber is a carrier for converting light radiation energy into working medium heat energy in a solar photo-thermal conversion system, and is usually required to bear unsteady uneven high-strength energy flow load during working. The energy flow distribution and energy-heat conversion efficiency of the heat absorber are two important indexes of the design, and the safety and the stability of the heat absorber directly influence the normal operation of the system. The traditional heat absorber mainly adopts a coil or a porous medium for heat exchange, and the heat absorber is irradiated by high-density and non-uniform energy flux density, so that the surfaces of heat exchange media such as the coil or the porous medium heat absorber and the like can generate local overheating and overlarge temperature gradient; the local overheating easily causes the coil or the heat absorber to generate a high-temperature creep phenomenon, and meanwhile, the higher temperature gradient also causes the coil or the heat absorber to generate higher thermal stress, so that the service life of the heat absorber is greatly shortened.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a solar heat absorber with a built-in lens capable of axially reciprocating, which has a simple structure, can adjust the direction of solar radiation entering the heat absorber, so that the solar radiation can reach the surface of a heat exchange medium as uniformly as possible, and the efficiency of conveying the solar radiation to the heat exchange medium is improved; the direction of light incident on the heat exchange medium can be changed in real time continuously, the phenomenon that energy flow is distributed too intensively to generate hot spots at a certain point on the heat absorption medium, and then the phenomenon that the thermal stress of the certain point is too large and high-temperature creep is easy to occur is avoided, and the service life is prolonged.
The utility model adopts the technical proposal that: a solar heat absorber with a built-in lens capable of axially reciprocating comprises a heat absorber shell, a heat absorbing device, a quartz glass window and a lens mounting frame; the heat absorption device is arranged in the heat absorber shell; the quartz glass window is fixedly arranged at the sunlight inlet of the shell of the heat absorber through an end cover; the lens mounting frame is of an annular structure and made of magnetic materials, and a non-planar lens is arranged at the central hole of the lens mounting frame; the lens mounting rack is positioned in the heat absorber shell and is connected with the end cover through a plurality of springs; the quartz glass window is parallel to the lens mounting rack; the end cover is provided with a plurality of pulse electromagnets, and the magnetic force between the lens mounting rack and the pulse electromagnets can realize that the lens mounting rack is close to the quartz glass window.
In the solar heat absorber with the built-in lens capable of axially reciprocating, the non-planar lens is a concave lens, a convex lens or a variable parameter non-planar lens.
In the solar heat absorber with the built-in lens capable of axially reciprocating, the lens mounting frame is made of cast iron.
In the solar heat absorber with the built-in lens capable of axially reciprocating, a plurality of pulse electromagnets are uniformly arranged on the end cover along the circumferential direction; the springs are uniformly arranged along the circumferential direction.
In the solar heat absorber with the built-in lens capable of axially reciprocating, the heat absorbing medium of the heat absorbing device is a metal coil or a porous medium heat absorber.
In the solar heat absorber with the built-in lens capable of axially reciprocating, the heat absorber shell is made of a heat insulating material; the end cover and the heat absorber shell are made of nonmagnetic materials.
Compared with the prior art, the beneficial effects of the utility model are that:
the quartz glass window of the utility model is fixedly arranged on the shell of the heat absorber through the end cover, the lens mounting frame is connected with the end cover through the spring, a plurality of pulse electromagnets are arranged on the end cover, a pulse magnetic field is generated through the pulse electromagnets, and the reciprocating movement of the lens mounting frame is realized under the combined action of magnetic force and spring elasticity, so that the incident solar radiation entering the heat absorber is adjusted, and the radiation reaching the surface of the heat exchange medium of the heat absorber is more uniform; meanwhile, the non-planar lens moves in real time, so that the direction of solar radiation incident to the heat absorber can be dynamically adjusted, and the heat exchange efficiency of the heat absorber can be effectively improved; meanwhile, the phenomenon that energy flow is distributed too intensively to generate hot spots at a certain point on the heat absorbing medium can be effectively prevented from being overlarge in temperature gradient, the high-temperature creep and the overlarge thermal stress of the heat absorbing medium caused by local overheating are prevented, and the service life of the heat absorber is prolonged.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure: end cap 1, spring 2, quartz glass window 3, pulse electromagnet 4, lens mounting bracket 5, non-planar lens 6, heat absorber 7, heat absorber shell 8.
Fig. 2 is a schematic structural diagram of the present invention when the heat exchange medium of the heat absorbing device is a metal coil.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
As shown in fig. 1 and 2, the present invention includes an end cap 1, a quartz glass window 3, a pulse electromagnet 4, a lens mounting frame 5, a non-planar lens 6, a heat absorber 7 and a heat absorber housing 8. The heat absorber 7 is arranged in a heat absorber shell 8; the quartz glass window 3 is fixedly arranged at the sunlight inlet of the heat absorber shell 8 through the end cover 1. The lens mounting frame 5 is of an annular structure, the lens mounting frame 5 is made of a magnetic material, and a non-planar lens 6 is arranged at the central hole of the lens mounting frame 5; the non-planar lens 6 adopts a concave lens, a convex lens or a variable parameter non-planar lens.
The lens mounting bracket 5 is made of cast iron, is positioned in a heat absorber shell 8 and is connected with the end cover 1 through a plurality of springs 2, the springs 2 are uniformly arranged along the circumferential direction, and the quartz glass window 3 is parallel to the lens mounting bracket. The end cover 1 is provided with a plurality of pulse electromagnets 4, and the pulse electromagnets 4 are uniformly arranged on the end cover 1 along the circumferential direction. The pulse electromagnet 4 and the spring 1 form a certain dislocation angle when being annularly and uniformly arranged around the end cover 1. The pulse electromagnet 4 generates pulse after being powered on, pulse suction force is generated on the annular cast iron 5, and the pulse frequency of the electromagnet can enable the annular cast iron 5 to reciprocate according to the frequency.
The heat absorbing medium of the heat absorbing device 7 adopts a metal coil 9 (shown in figure 2) or a porous medium heat absorbing body 10 (shown in figure 1), and other forms of heat absorbing media can also be adopted. The heat absorber housing 8 is made of a heat insulating material. The end cover 1 and the heat absorber shell 8 are both made of nonmagnetic materials.
The utility model discloses during the use, in the solar radiation through the spotlight ware gathering gets into the heat absorber through quartz glass window 3, through the transmission of dispersing of non-planar lens 6 again, carry the heat absorbing medium on the heat absorbing device 7 with solar radiation on, when the heat transfer working medium flows through coil pipe, porous medium heat-absorbing body or other forms's heat absorbing medium such as fused salt, water or gas, reach and transmit absorbing solar energy to the heat transfer working medium on with the heat absorbing medium.
Claims (6)
1. A solar heat absorber with a built-in lens capable of axially reciprocating is characterized in that: comprises a heat absorber shell, a heat absorber, a quartz glass window and a lens mounting rack; the heat absorption device is arranged in the heat absorber shell; the quartz glass window is fixedly arranged at the sunlight inlet of the shell of the heat absorber through an end cover; the lens mounting frame is of an annular structure and made of magnetic materials, and a non-planar lens is arranged at the central hole of the lens mounting frame; the lens mounting rack is positioned in the heat absorber shell and is connected with the end cover through a plurality of springs; the quartz glass window is parallel to the lens mounting rack; the end cover is provided with a plurality of pulse electromagnets, and the magnetic force between the lens mounting rack and the pulse electromagnets can realize that the lens mounting rack is close to the quartz glass window.
2. The solar heat absorber with an axially reciprocating lens built-in of claim 1, wherein: the non-planar lens adopts a concave lens, a convex lens or a variable parameter non-planar lens.
3. The solar heat absorber with an axially reciprocating lens built-in of claim 1, wherein: the lens mounting frame is made of cast iron.
4. The solar heat absorber with an axially reciprocating lens built-in of claim 1, wherein: the pulse electromagnets are uniformly arranged on the end cover along the circumferential direction; the springs are uniformly arranged along the circumferential direction.
5. The solar heat absorber with an axially reciprocating lens built-in of claim 1, wherein: the heat absorbing medium of the heat absorbing device adopts a metal coil or a porous medium heat absorbing body.
6. The solar heat absorber with an axially reciprocating lens built-in of claim 1, wherein: the heat absorber shell is made of heat insulating materials; the end cover and the heat absorber shell are made of nonmagnetic materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920659200.6U CN209819911U (en) | 2019-05-09 | 2019-05-09 | Solar heat absorber with built-in lens capable of axially reciprocating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920659200.6U CN209819911U (en) | 2019-05-09 | 2019-05-09 | Solar heat absorber with built-in lens capable of axially reciprocating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209819911U true CN209819911U (en) | 2019-12-20 |
Family
ID=68883002
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920659200.6U Withdrawn - After Issue CN209819911U (en) | 2019-05-09 | 2019-05-09 | Solar heat absorber with built-in lens capable of axially reciprocating |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209819911U (en) |
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2019
- 2019-05-09 CN CN201920659200.6U patent/CN209819911U/en not_active Withdrawn - After Issue
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20191220 Effective date of abandoning: 20200311 |