Integrated Murata's latest technology refrigerator can easily degrade residual pesticides

With the improvement of living standards, people pay more and more attention to health. Food safety issues that have been repeatedly exposed in recent years have also made people pay more attention to safe and healthy food. For the problem of pesticide residues in fruits and vegetables that have been criticized on the market, people have always expected a better solution. Murata Manufacturing Co., Ltd. (hereinafter referred to as Murata) has introduced a free radical ion generator module that meets the demands of people to remove residual pesticides from fresh fruits and vegetables in daily life, and is the world's smallest free radical with heating function. The ion generator appears in the home appliance - the refrigerator.

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According to research, it is impossible to completely remove residual pesticides such as dichlorvos and phorate from the surface of fruits and vegetables after simple cleaning. Long-term consumption of such fruits and vegetables can cause headaches and affect the central nervous system, which can affect the reproductive system and the fetus. Therefore, in addition to the conventional preservation, antibacterial, anti-mildew, and deodorization requirements for refrigerators that provide fresh-keeping functions for fruits and vegetables, pesticides that decompose and remove as much as possible of the ingredients have become the top priority of daily life. As a leading manufacturer of electronic components, Murata has developed this "free radical ion generator module" with its characteristics of miniaturization, high reliability, and low power consumption. This product was first applied to the refrigerator and added the ability to remove residual pesticides from fruits and vegetables.

Figure 1: Inside the refrigerator after integrating the Murata free radical ionizer

Murata's free radical ion generator uses LTCC (Low Temperature Co-fired Ceramics) substrate technology, combined with creeping discharge technology, to generate free radicals by applying high voltage alternating current (about 6kVp-p) between the electrodes. Ion module. Because LTCC substrate technology encapsulates the electrodes inside and avoids the oxidation caused by the exposed electrodes, Murata's free radical ionizers have a service life of up to 10 years (90,000 hrs). In addition, the product can control intermittent operation by remote signal, and does not need to control the input voltage with ON/OFF. Therefore, the amount of free radical ions can be adjusted freely and accurately, and the radical ion concentration is prevented from being too high or too low. The adverse effects caused. Murata has also developed a high-voltage power supply that is most suitable for generator driving, so that only the discharge portion needs to be powered, and radical ions are efficiently generated while reducing power consumption. The power module is also equipped with an overcurrent protection circuit that detects abnormalities and stops operation, and an output detection terminal to ensure safe use. It is worth mentioning that the structural design of the discharge part of the outer cover shell realizes the smallest size of the industry of 14.2×31.5×17mm, and the development of the free radical ion generating part and the driving power supply unit is truly developed. Installed free radical ionizer.

Figure 2: Murata free radical ion generator product map

Figure 3: Murata's free radical ion generator uses LTCC substrate technology to encapsulate the electrodes inside

According to media reports, the newly developed free radical ion generator module has been applied to Haier Casa Di's high-end refrigerator. The biggest feature is that it meets the market demand for removing residual pesticides from fresh fruits and vegetables in the refrigerator fresh-keeping room. As a leader in electronic components, Murata not only provides products that meet the market, but also collects and verifies pesticide residue data in six months through research and training on customer and market needs. Experiments have shown that Murata's free radical ion generator can degrade more than 90% of pesticides such as dichlorvos and phorate after 48 hours. In addition to the conventional functions of the free radical ionizer - sterilization, preservation, vitamin content, etc., there is a fan inside the product, so the use of air circulation makes it possible to keep the food fresh for 360° without dead ends.

Figure 4: Murata free radical ion generator fan ventilation fresher Other use UV or LED for food surface preservation

This is the world's smallest, highly reliable, free radical ion concentration control and degradable pesticides free radical ion generator and domestic appliance giants cooperation, bringing new products to customers, high practicality for customers Bring a more wonderful user experience. Murata has always been committed to the internal innovation of electronic equipment, so such a joint can provide better products for the society and make our lives more comfortable.

Of course, the role of free radical ionizers is not only that. At present, Murata's high-pressure product division is aiming to provide clean space using air and water, and purify the air through negative ions and free radical ion generators. In the future, we will promote the development of equipment that dissolves free radical ions in water to solve the problems of water quality problems in life and provide solutions.

“Innovator in Electronics®” is the brand philosophy that Murata has been pursuing for many years. The aim is to provide a safe, secure and convenient life. For this reason, we will spare no effort in the research and development of technology.

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