Process for producing glass-substrate silica gel compound-eye light condenser and mould special for same
A production process and concentrator technology, which is applied in the production process of glass-based silica gel compound eye concentrator and its special mold field, can solve the problems of high mold requirements, low transmittance, aging, etc., to avoid the decrease of transmittance, The effect of avoiding damage to the mold and good weather resistance
Active Publication Date: 2014-01-15
SI CHUAN ZHONG SHUN SOLAR ENERGY DEV
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Problems solved by technology
The disadvantages of this production technology are: high temperature (above 900°C) has high requirements on the mold, and the mold is seriously damaged
The disadvantage of this production process is that the optical plastic will age after being irradiated by ultraviolet light for a long time, resulting in a decrease in transmittance, which directly affects the power generation efficiency of the concentrator, and thus cannot meet the 25-year time limit for outdoor use of solar concentrated photovoltaic power generation systems.
Method used
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[0043] In step 105, keep the temperature at 18-25°C so that the silicone gel is in a liquid state, and the glue gun of the glue injection machine injects the silicone gel into the cavity of the mold through the upper main material port of the upper mold with a pressure in the range of 3.5-5Mpa.
[0044] In the step 106, the pressure in the mold cavity is kept at the same level as in the step 105, and the temperature is 100-150° C., so that the silica gel is preformed and solidified. After the silica gel is initially cured, the glass substrate is placed in an oven, and the time for the silicone gel on the glass substrate to completely cure and form is 1-2 hours, and the temperature in the oven is 60-80°C.
[0045]The temperature, pressure and time parameters are not limited to the listed ranges, for example: in step 105, as long as the temperature and pressure environment are enough to make the silicone gel injected into the mold cavity in liquid form, the above-mentioned temper...
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Abstract
The invention discloses a process for producing a glass-substrate silica gel compound-eye light condenser and a mould special for the same, relating to a solar technology. The invention aims at providing a process for producing a glass-substrate silica gel compound-eye light condenser at high production efficiency and low cost and a mould special for the same. The production process comprises the following main steps: designing a monolithic structure and an integral shape of the light condenser; manufacturing a mould according to the monolithic structure and the integral shape of the light condenser; placing the mould into an injection molding machine; embedding a glass substrate into the mould, and closing the mould; injecting silica gel into a mould cavity; and placing the glass substrate into an oven after the silica gel is primarily formed and cured so as to completely cure and form the silica gel on the glass substrate. The mould is mainly characterized in that a rectangular chamber is arranged in a lower mould, the inner side of a side (a) of the rectangular chamber is provided with a bottom-side alignment platform, a positioning device (a) is arranged on the side adjacent to the side (a) and is in point contact with the glass substrate; and the other two sides of the rectangular chamber are respectively provided with a positioning device.
Description
technical field [0001] The invention relates to the production process of a light concentrator used for converging sunlight and projecting it onto a photovoltaic cell in the technical field of solar concentrated photovoltaic power generation; the invention also relates to a mold used in the production process. Background technique [0002] Concentrating photovoltaic power generation technology is recognized as an effective way to reduce the cost of photovoltaic power generation. At present, a complete concentrating photovoltaic power generation system mainly includes several parts such as concentrating solar cell modules, solar trackers, and electric energy storage or inverter equipment. As a photoelectric conversion component, the compound eye concentrating solar cell module is mainly composed of a compound eye lens concentrator and a circuit board installed with a photovoltaic cell chip. [0003] Wherein, the fly-eye lens condenser includes a plurality of plane array cond...
Claims
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IPC IPC(8): B29C45/00B29C45/76B29C45/26B29L11/00
Inventor 黄忠
Owner SI CHUAN ZHONG SHUN SOLAR ENERGY DEV