JP3206997U - Telescopic power condensing device - Google Patents

Abstract

A telescopic member of a solar power concentrating device having a simple structure and uniform reflected light. A telescopic member of a photovoltaic power generation concentrator including a reflecting cylinder, a first circular cell, a second circular cell, a pedestal, an upper reflecting plate, and a lower reflecting plate. The diameter of the mouth is larger than the diameter of the bottom, the first circular cell and the second circular cell are attached to the bottom, the second circular cell is consolidated back to the first circular cell, and the second circular cell expands and contracts The lower reflector is connected to the pedestal through the member, the lower reflector is attached to both ends of the pedestal corresponding to the light receiving surface of the second circular cell, and the pedestal is connected to the upper reflector through the bellows tube 7 and corresponds to the lower reflector. The telescopic member includes an outer cylinder 8 and a movable bar 9, the bottom end of the outer cylinder is fixed on the pedestal, the top end of the movable bar is fixed on the second circular cell, and the bottom end of the movable bar is in the outer cylinder. And a tightening screw is provided along the height direction on the outer cylinder. [Selection] Figure 1

Description

  The present invention relates to the field of solar energy technology, and more particularly to a solar power collector.

  Solar energy is clean and inexhaustible renewable energy, and fully developing and using solar energy not only saves general energy that is exhausted day by day, but alleviates serious resource shortage problems, Reduce pollution and protect ecosystem environments where humans depend on survival. In many solar energy utilization technologies, solar power generation technology realizes the direct conversion of solar energy into electric energy, and is the most convenient usage method, safe and reliable operation, no fuel and no noise Because of its advantages such as no pollution, local use, convenient use and maintenance, and adjustable scale, it is gaining importance from all over the world.

  In recent years, China's production of photovoltaic components has grown almost twice as fast every year, but the level of development and use of photovoltaic technology is much lower than that of developed countries. Late to developing countries. Despite China's good solar energy resources and solar cell manufacturing capacity, the difference between the overall level of the photovoltaic industry and developed countries is also very large. Production of crystalline silicon raw materials used for solar cells depends on imports, and there is a serious shortage of raw materials. Currently, there is relatively little room for cost reduction in the very long term, and the second is a photovoltaic system. Is not widely used.

  The structure of a conventional solar power concentrator has a non-uniform concentration of the Fresnel lens concentrator, a large difficulty in manufacturing a large parabolic concentrator, and a low concentration factor of the V-type concentrator. There is a disadvantage that the four triangular mirrors of the octahedral concentrator are not uniform.

  Therefore, how to solve the above-mentioned problems of the prior art has been a direction for those skilled in the art to make an effort.

  Then, an object of this invention is to provide the expansion-contraction member of the solar power generation condensing device which can solve the shortage of said prior art completely.

  In order to achieve the above object, the telescopic member of the photovoltaic power generation concentrator of the present invention includes a reflection cylinder, a first circular cell, a second circular cell, a pedestal, an upper reflection plate, and a lower reflection plate, and the reflection cylinder. Has a cylindrical shape, the diameter of the mouth is larger than the diameter of the bottom, the first circular cell and the second circular cell are attached to the bottom of the reflecting cylinder, and are consolidated to the back of the first circular cell and the second circular cell. The second circular cell is connected to the pedestal through the elastic member, the lower reflector is attached to both ends of the pedestal corresponding to the light receiving surface of the second circular cell, the pedestal is connected to the upper reflector through the bellows tube, and the upper reflector Is located above the lower reflector and corresponds to the lower reflector.

  When the above structure is adopted, not only the manufacturing cost is reduced, but also two cells can be combined to use solar energy sufficiently, so that the efficiency is high.

  As one embodiment, a heat sink is provided between the first circular cell and the second circular cell. If this type of structure is employed, the amount of heat generated in the cell can be dissipated, thus extending the life of the cell.

  In one embodiment, the first circular cell and the second circular cell are both bonded to the heat sink with a heat conductive adhesive. When this type of structure is employed, the heat dissipation effect can be further enhanced.

  In one embodiment, the elastic member includes an outer cylinder and a movable rod, the bottom end of the outer cylinder is fixed on the pedestal, the top end of the movable rod is fixed on the second circular cell, and the bottom end of the movable rod Is inserted into the outer cylinder, and a few tightening screws are provided along the height direction on the outer cylinder.

  As one embodiment, the elastic member is a linear cylinder. When this type of structure is employed, the raising / lowering position of the reflecting cylinder can be automatically controlled.

  In one embodiment, the cylindrical inner wall of the reflecting cylinder is a rotating surface obtained by rotating a center line using a single curve as a generatrix, and the sunlight is reflected by the rotating surface. The light receiving surface of one circular cell can be irradiated uniformly.

  As one embodiment, a translucent plate is attached to the mouth of the reflecting cylinder. The translucent plate can extend the life of the apparatus by covering the reflective cylinder and avoiding damage to the reflective film and cells on the inner wall of the reflective cylinder in the external environment.

  As one embodiment, an antireflection film is provided on the surface of the translucent plate. This type of structure can further enhance the translucent effect.

In one embodiment, the inner wall of the reflecting cylinder employs vacuum direct current sputtering. A reflective film using this type of technique can obtain a relatively high reflectance.

  Compared to the prior art, the beneficial effects of the present invention are that the structure is simple, the design is reasonable, the manufacture is easy, the cost is low, the solar energy can be fully used, and the light reflected on the solar panel is uniform. It is.

Explanatory drawing showing the configuration of the present invention

  Hereinafter, the present invention will be further described in combination with specific embodiments and the accompanying drawings.

Example 1
As shown in FIG. 1, the telescopic member of the new solar power concentrator includes a reflecting cylinder 1, a first circular cell 2, a second circular cell 3, a pedestal 4, an upper reflecting plate 5, and a lower reflecting plate 6. Including.

  The reflection cylinder 1 is cylindrical, the diameter of the mouth is larger than the diameter of the bottom, the first circular cell 2 and the second circular cell 3 are attached to the bottom of the reflection cylinder 1, and the first circular cell 2 and the second circular cell 2 are attached. The second circular cell 3 is connected to the back of the circular cell 3 and is connected to the pedestal 4 through an elastic member. The lower reflector 6 is attached to both ends of the pedestal 4 corresponding to the light receiving surface of the second circular cell 3. 4 is connected to the upper reflector 5 through the bellows tube 7, the upper reflector 5 is located above the lower reflector 6, corresponds to the lower reflector 6, and can reflect sunlight to the lower reflector 6. The plate 6 uniformly reflects sunlight to the light receiving surface of the second circular cell 3.

  A heat radiating plate (not shown) is provided between the first circular cell 2 and the second circular cell 3. The first circular cell 2 and the second circular cell 3 are both bonded to the heat sink with a heat conductive adhesive.

  The cylindrical inner wall of the reflecting cylinder 1 is a rotating surface obtained by rotating a center line using a single curve as a generating line, and the first circular cell 2 after sunlight is reflected by the rotating surface. The light receiving surface can be irradiated uniformly. The inner wall of the reflection cylinder 1 forms a reflection film using a vacuum direct current sputtering technique.

  The telescopic member includes an outer cylinder 8 and a movable bar 9, the bottom end of the outer cylinder 8 is fixed on the pedestal 4, and the top end of the movable bar 9 is fixed on the second circular cell 3. The bottom end is inserted into the outer cylinder 8, a slight tightening screw (not shown) is provided along the height direction on the outer cylinder 8, and the movable rod 9 can be fixed in the outer cylinder 8 through the tightening screw. .

  A translucent plate 10 is attached to the mouth of the reflective cylinder 1, and an antireflection film is provided on the surface of the translucent plate 10.

  In use, sunlight passes through the translucent plate 10 and irradiates the inner wall of the reflecting cylinder 1, and after being reflected, uniformly irradiates the light receiving surface of the first circular cell 2. At the same time, the sunlight also irradiates the upper reflector 5, the light is reflected by the upper reflector 5 to the lower reflector 6, and the last sunlight is reflected by the lower reflector 6 and then on the light receiving surface of the second circular cell 3. Irradiate uniformly. The raising / lowering position of the reflecting cylinder 1 can be adjusted through the telescopic member, and the optimum position can be maintained by adjusting the position of the upper reflecting plate 5 by the bellows tube 7.

Example 2
The difference between the present embodiment and the first embodiment is that the elastic member is a linear cylinder. When this type of structure is employed, the raising / lowering position of the reflecting cylinder 1 can be automatically controlled.

  The preferred embodiments of the present invention have been described above. However, the present invention is not limited to the above-described embodiments, and the design can be appropriately changed by using conventionally known techniques without departing from the spirit of the present invention.

DESCRIPTION OF SYMBOLS 1 Reflective cylinder 2 1st circular cell 3 2nd circular cell 4 Base 5 Upper reflector 6 Lower reflector 7 Bellows tube 8 Outer cylinder 9 Movable rod 10 Translucent plate

Claims (1)

A reflecting cylinder, a first circular cell, a second circular cell, a pedestal, an upper reflecting plate, and a lower reflecting plate, wherein the reflecting cylinder is cylindrical, the diameter of the mouth is larger than the diameter of the bottom, The first circular cell and the second circular cell are attached to the bottom, and are fixed to the back of the first circular cell and the second circular cell, and the second circular cell is connected to the pedestal through an elastic member. The lower reflector is attached to both ends of the pedestal corresponding to the light receiving surface of the second circular cell, the pedestal is connected to the upper reflector through a bellows tube, and the upper reflector is above the lower reflector. Located, corresponding to the lower reflector,
The telescopic member includes an outer cylinder and a movable rod, a bottom end of the outer cylinder is fixed on the pedestal, a top end of the movable rod is fixed on the second circular cell, and a bottom end of the movable rod Is inserted into the outer cylinder, and is provided with a slight tightening screw along the height direction on the outer cylinder.

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