Constant-time and constant-temperature electric heater Electric heater capable of setting time and temperature
A timing switch and electric heating rod technology, applied in electric heating devices, immersion heating devices, electrical components, etc., can solve problems such as waste of electricity, human injury, and accumulation of heavy metals, and achieve strong controllability, low cost, and safety performance high effect
Inactive Publication Date: 2014-08-20
XIANGTAN UNIV
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Problems solved by technology
[0003] The purpose of heating water quickly is to sterilize it by heating. People can prevent diseases by drinking sterilized water, but in the process of heating, the water will also lose some trace elements and other nutrients, or long-term heating will lead to heavy metals. accumulation
Generally, the purpose of sterilization is achieved by heating water to 80 degrees, and it is not suitable to heat for a long time, otherwise it will lead to the concentration and accumulation of heavy metals in the water, which will cause harm to the human body
In addition, sometimes heating domestic water does not need to boil the water, forgetting the time to boil the water will cause the water to boil very hot, not only wasting water but also wasting electricity
Method used
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[0018] The present invention will be described in further detail below in conjunction with the accompanying drawings and embodiments.
[0019] Such as figure 1 As shown, a heating device with timing and constant temperature of the present invention includes a power cord 1 , a timing controller 2 , a heating rod 3 , a connecting seat 4 , a junction box 5 and a plug 6 . The timing control switch 2 is connected in series with the power line 1. There is a hollow elbow 41 on the upper part of the connecting seat 4, and a connection opening 411 communicates with the junction box 5 at the side of the hollow elbow. The threading hole on the sealing cover (not shown in the figure) provided at the connection opening 411 passes through and enters the junction box 5 to meet, and then passes out from the junction box outlet 51 . The timing switch controller 2 is arranged in the junction box 5 .
[0020] The timing control switch 2 is a dial with time and temperature. The way to corresp...
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The invention relates to a constant-time and constant-temperature electric heater which comprises an electric bar electric heating bar, a connecting base connected with the electric bar, a terminal box and a power line. The electric heater is characterized in that a timing switch controller provided with temperature and time dials is connected in series with the power line. The electric heater overcomes the defect of incapable automatic power-off at other temperature beyond water boiling temperature for the existing electric heater, and has the advantages of simple structure, low cost, high safety performance and high controllability.
Description
technical field [0001] The invention relates to a household electric heater, in particular to a heating device capable of timing and temperature setting. Background technique [0002] "Fast heat" is one of the heating appliances commonly used in daily life. It is used more frequently in student dormitory life. While it brings us convenience, it also poses a great safety hazard due to its shortcomings. Therefore, many colleges and universities have to issue Prohibition of "heat quickly" orders. Now on the market, there are: heating with electricity, automatic power-off when the water is boiling, and automatic power-off when the water is dry, but there is no function of timing power-off, and the time for boiling water cannot be set. Unbelievable, cause water to be boiled dry and fire accident also often takes place. Some fixed-temperature power-off devices on the market can only automatically power off when the water boils, and they are only suitable for hot water kettles. ...
Claims
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IPC IPC(8): H05B3/80H05B1/02
Inventor 马增胜张晶潘勇崔超
Owner XIANGTAN UNIV