Air source electric water heater adopting non-metal shell electrothermal tube
A non-metallic tube and electric water heater technology, applied in water heaters, fluid heaters, lighting and heating equipment, etc., can solve the problems of reducing heating efficiency, scaling, corrosion breakdown, etc.
Inactive Publication Date: 2017-05-03
GUANGDONG SHUNDE GUANGSHENG ELECTRICAL APPLIANCE
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Problems solved by technology
[0002] The existing electric heating tubes used in air source electric water heaters are 100% tubular electric heating elements produced according to the technical standard JB / T4088-1999 "Tubular Electric Heating Elements for Daily Use" or JB / T2379-1993 "Metal Tubular Electric Heating Elements". The metal tube is used as the shell, the alloy electric heating wire is used as the heating element, and there is a lead-out rod at one or both ends, and the dense magnesium oxide powder insulation medium is filled in the metal tube to fix the elements of the heating element; Components; this kind of electric heating element with a metal shell is completely immersed in water. After a long time of use, it will form scale, reduce heating efficiency, and corrode breakdown, making the water electrified, which is a problem in the world.
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[0012] In the attached drawings: lead-out rod or terminal 1, sealing ring or high-temperature glue 2, heating wire 3, magnesium oxide powder or non-metal insulator or air 4, metal or non-metal tube 5, non-metal plug 6, straight-through non-metal Tube or shell 7, blind hole non-metallic tube or shell 8, heating element or electric heating tube 9, non-metallic insulating spacer 10, non-metallic shell electric heating tube 11, circuit breaker 12, metal or non-metallic water tank 15, shell 16 , flange cover 17, mounting seat 18, pressing cover 19, water heating device 20 when water flows through, container 21 with water inlet and outlet, air source main frame 22.
[0013] Figure 1 to Figure 4 It is an electric heating tube with a non-metal shell that is installed at one or two ends of the central electric water heater and has a lead-out rod. The end has a non-metallic plug 6, and the lead-out rod 1 stretches out of the pipe through the plug 6.
[0014] figure 1 , Figure 4 It ...
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The invention discloses an air source electric water heater adopting a non-metal shell electrothermal tube and is an electric water heater provided with a quick heating device, which heats water immediately when the water passes through, on a water outlet pipeline; a shell of the adopted electrothermal tube is made of a non-metal material, one or two ends of the shell is or are provided with leading-out rods (1) respectively, and the electrothermal tube is installed in a through type non-metal tube (7) or a blind hole non-metal tube (8); and each leading-out rod (1) extends outside of the tube through a non-metal plug (6); the electrothermal tube is a carbon fiber tube, a halogen tube, a non-metal shell electrothermal tube or a dry-heating electrothermal tube; and meanwhile, a circuit breaker (12) with one end being provided with two naked and isolated metal wires and the other end being connected with a control element of a control circuit board is installed at the lower part of the opening end of the through type non-metal tube (7) or the blind hole non-metal tube (8), and when the two metal wires communicate with each other by encountering water simultaneously, the control element is informed to enable a circuit to be disconnected.
Description
technical field [0001] The invention relates to an air source electric water heater, and mainly relates to an electric heating tube with a non-metal shell immersed in water used in the electric water heater. Background technique [0002] The existing electric heating tubes used in air source electric water heaters are 100% tubular electric heating elements produced according to the technical standard JB / T4088-1999 "Tubular Electric Heating Elements for Daily Use" or JB / T2379-1993 "Metal Tubular Electric Heating Elements". The metal tube is used as the shell, the alloy electric heating wire is used as the heating element, and there is a lead-out rod at one or both ends, and the dense magnesium oxide powder insulation medium is filled in the metal tube to fix the elements of the heating element; Components: This kind of metal shell electric heating element is completely immersed in water. After a long time of use, it will form scale, reduce heating efficiency, and corrode brea...
Claims
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Login to View More IPC IPC(8): F24H1/20F24H9/18F24H9/20
Inventor 刘运柳刘成
Owner GUANGDONG SHUNDE GUANGSHENG ELECTRICAL APPLIANCE