Since the advent of the instant water heaters, the controversy has been controversial. The words of high power, power consumption, and insecurity have flooded the water heater market; as time goes by, the misunderstanding of the products has gradually opened up, that is, the hot water heaters rely on small, power-saving, The advantages of no scale, no waiting, etc. have become the choice of most families today, and the market tends to be clear. However, there are still many people who are not clear about the purchase point of the instant water heater. Today, Xiaobian will make a comprehensive analysis. .
First, the appearance
Instant water heaters do not need water storage in water storage type water heaters. The hot-opening effect makes the product look smaller and more stylish. In addition to the shape, the choice of shell material is also an important factor in determining aesthetics.
The hot water heater shell material mainly includes two kinds of ABS engineering panels and tempered glass panels.
ABS engineering panel's instant water heater has a glossy surface, good heat insulation effect and corrosion resistance. Because of its impact resistance and high temperature resistance, it is widely used in the fields of automobiles, electronic appliances and building materials. ABS engineering panels are the first choice for many instant water heater manufacturers. s material.
The instant water heater of tempered glass panel has high strength, the bending strength is 3~5 times that of ordinary glass, the impact strength is 5~10 times that of general glass, the heat resistance is good, the appearance is good, and it is very artistic, which is the pursuit. The first choice for a stylish family.
Second, the heating body
The key to determining the quality of the instant water heater is its core component, the heating element, and the key to the quality of the heating element depends on the material selected. Currently, the heating elements on the market mainly include metal heating elements, quartz tube heating elements and die-cast aluminum heating. body.
[Metal heating element]
The metal heating element is similar to the heat used for boiling water in the home. The heating element is completely immersed in water during operation, and the water and electricity are integrated, and the scale is easy to scale, and the service life is about 5-8 years;
[quartz tube heating element]
The quartz tube heating element uses a quartz glass tube as a substrate, and then a layer of electric heating film is applied, the structure is simple, the water and electricity are separated, the scale is not easy to be scaled, and the service life is about 5 years;
[die-cast aluminum heating element]
The die-casting aluminum heating element is a heating element formed by die-casting with high-quality aluminum alloy material as the outer casing. The inner and outer seals completely separate the water and electricity to prevent leakage; the internal straight tube generates heat and does not scale, and the service life is more than 10 years.
Third, power
Until now, some consumers have been obsessed with the power of the instant water heater. There is still a big misunderstanding about the power of the instant water heater. It is considered that the power is equal to the high power consumption.
The first thing to be clear is that the hot water heater is hot and does not need to be heated for half an hour like a storage water heater. This not only saves time, but also greatly improves the thermal efficiency of the water heater. The thermal efficiency of a normal storage water heater is about 80%. If the hot water is not used after heating, the thermal efficiency of the storage type is only about 65%-70%, and the thermal efficiency of any one of the hot water heaters is More than 97%.
In this regard, we do not calculate the power of the remaining unused hot water in the storage water heater, and compare the instant water heater with the storage water heater.
It can be clearly seen from the above table that two people use the water heater, that is, the hot electric water heater not only saves time but also saves electricity than the water storage type water heater.
At present, the power of instant water heaters on the market ranges from 4000W to 8000W. In summer, as long as 4000W power, the power is too big, and the 4000W in winter is not enough. It is necessary to have a hot water heater with 8000W power to be comfortable.
Therefore, when choosing the power of the instant water heater, we must choose the intelligent frequency conversion water heater. The intelligent variable frequency instant water heater can automatically adjust the power consumption of the water heater according to the inlet water temperature, one for more than one, so that it can be used in all seasons. Comfortable and not wasteful.
Fourth, security
Safety is the first choice for any home appliance. For instant water heaters, the concern of all consumers is hydropower safety.
1. Separation of water and electricity is very important
Water is electrically conductive, that is, the hot water heater heats the water by electricity. Therefore, it is especially important to choose a hot water heater that is separated by water and electricity; the heat body and the water pipe are completely separated, and the occurrence of leakage is prevented from the root source.
2, physical anti-electric wall + electronic anti-electric wall double protection
The popularity of anti-electric wall technology has given consumers a reassurance, that is, the hot water heater market has ushered in the spring; choosing the instant water heater with physical protection wall + electronic anti-electric wall double protection is now the consumer Preferred.
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