Combined-type electric water heater

An electric water heater and compound technology, applied in the field of compound electric water heaters, can solve the problems of unstable hot water output, high product cost, user discomfort, etc., and achieve the effects of short waiting time, small heat loss, and large water volume.

Inactive Publication Date: 2010-03-03
魏均倚
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Regardless of whether it is a storage electric water heater or an instant electric water heater, due to the high water temperature of the water storage tank during operation, the water storage tank is made of a metal pressure vessel, and insulation measures are required, resulting in higher product costs.
In addition, traditional water heaters must be equipped with hot and cold faucets when they are used. The high-temperature hot water in the storage tank is used to mix with the normal temperature water in the tap water pipe. However, the water pressure in the tap water pipe is usually high, which will lead to unstable hot water output. , bringing discomfort to users, especially in some areas with low water supply pressure, this phenomenon is especially obvious

Method used

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Experimental program
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Embodiment Construction

[0012] refer to figure 1 As shown, a composite electric water heater includes a water storage tank 1 with a temperature sensor 14 inside, the water storage tank 1 is provided with a water inlet pipe 11 and a water outlet pipe 12, the water inlet pipe 11 is provided with a water level controller 2, and the water outlet pipe 12 is connected A water pump 3 and an electric heating device 4 are sequentially connected on the road, the outlet pipe of the electric heating device 4 is connected to the first valve port 51 of the three-way valve 5, and the second valve port 52 of the three-way valve 5 is connected to a normally closed solenoid valve 6, which is normally closed. The closed solenoid valve 6 communicates with the water storage tank 1 through the water return pipe 13, and the third valve port 53 of the three-way valve 5 is connected with the faucet 9 at the user end. The electric heating device 4 of this design preferably adopts a gap water flow electric heating device, and ...

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PUM

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Abstract

The invention relates to a combined-type electric water heater. The water heater comprises a water storage tank with a temperature sensor therein, and the water storage tank is provided with an inletpipe and an outlet pipe; the inlet pipe is provided with a water level controller, and the outlet pipe is sequentially provided with a water pump, an electric heater unit and a three-way valve; a second valve port of the three-way valve is connected with a normal-closed solenoid valve which is connected with the water storage tank by a return pipe, and a third valve port of the three-way valve isconnected with a faucet at a user side. The water heater product has advantages of small size, low power, high heating speed, heavy waterflow and low cost of the water storage tank and is suitable forlow water pressure environment.

Description

technical field [0001] The invention relates to an electric water heater, in particular to a composite electric water heater. Background technique [0002] Traditional electric water heaters mainly include storage electric water heaters and instant electric water heaters. The storage type electric water heater mainly installs the electric heating tube in the large-capacity metal water storage tank. When working, the water in the water tank is heated to the set temperature (usually between 75°C and 80°C). When the user turns on the tap, The hot water is released through the hot water pipe and mixed with the cold water from the tap water pipe to adjust the appropriate water temperature for use. The advantage of this kind of water heater is that the water volume is large and the working current is small. But it also has obvious disadvantages. Firstly, it is bulky and takes up a lot of space, so it can only be installed outside the bathroom; secondly, because the water tempera...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F24H1/18F24H9/18F24H9/20
Inventor 魏均倚
Owner 魏均倚
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