Solar semiconductor refrigerator

Abstract

The invention discloses a solar semiconductor refrigerator, which comprises a semiconductor refrigeration device, a solar-cell panel and a solar-cell panel output power voltage reduction, voltage stabilization and current device, wherein the input end of the solar-cell panel output power voltage reduction, voltage stabilization and current device is connected with the power output end of the solar-cell panel, while the output end is connected with the power supply input end of the semiconductor refrigeration device. The output power of the solar-cell panel is subjected to voltage reduction, voltage stabilization and constant flow treatment by the solar-cell panel output power voltage reduction, voltage stabilization and current device and then is directly supplied to the semiconductor refrigeration device without using a storage battery, so the structure of the solar semiconductor refrigerator is more stable, the weigh is lighter and the volume is smaller; in addition, a commercial power switching control unit and a current sampling module can be provided, and according to the sampling signal of the current sampling module, the commercial switching control unit is controlled to connect or disconnect a commercial power supply and the power supply end of the semiconductor refrigeration device and the semiconductor refrigeration device is controlled to be powered by the commercial power supply and solar.

Description

technical field [0001] The invention relates to a solar semiconductor refrigerator which does not need a storage battery. Background technique [0002] At present, semiconductor refrigeration refrigerators are now being gradually promoted. It gradually replaces some traditional refrigerators with its advantages of energy saving, environmental protection, and noiselessness. The semiconductor refrigeration system driven by solar energy is compact in structure, easy to carry, easy to use and maintain, and has good safety performance. Compared with mechanical refrigeration, it does not need moving parts such as pumps and compressors, so there is no wear and noise, it does not need refrigerant, so it will not cause environmental pollution, and it also saves complicated transmission pipelines. The advantage of comparison is worthy of application and development. [0003] Now semiconductor refrigerators have been gradually introduced into the market, but solar semiconductor refrig...

AI Technical Summary

Problems solved by technology

[0003] Semiconductor refrigerators have been gradually introduced into the market now, but solar semiconductor refrigerator products are rarely seen on the market, mostly papers and conceptual products. For example, Chinese patent 01239142.5 discloses a solar semiconductor refrigerator, including solar panels, batteries, and controller There are several factors restricting the use of refrigerators and semiconductor refrigeration devices: 1. According to general thinking, solar semiconductor refrigerators generally have solar panels, batteries, power supply controllers, semiconductor refrigeration devices, etc. Maintenance; 2. Due to the characteristics of the solar panel, the solar panel must be exposed to the sun to work normally, so the solar semiconductor refrigerator must work in the environment of the sun, and the working place is limited; 3. The solar panel must be exposed to the sun. In order to work normally, it cannot generate electricity at night. To ensure the 24-hour operation of the solar semiconductor refrigerator, it is necessary to increase the energy storage unit and increase the power of the solar panel. In order to offset the loss of energy storage and release, the power of the solar panel must be increased again. The above Several reasons directly lead to the increase of product production process and product cost; 4. The same refrigeration efficiency increases the weight and volume of the product due to the increase of energy storage unit and solar panel power; 5. Considering the cost factor of the energy storage unit, Most of them are lead-acid batteries, and the service life of lead-acid batteries is shorter than that of solar panels, so they need to be replaced regularly, increasing the investment in follow-up maintenance, etc.

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