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External rapid-heating type electric water heater provided with water flow sensor with pressure reduction function and non-metallic blow-molded water tank

A water flow sensor and electric water heater technology, applied in water heaters, fluid heaters, lighting and heating equipment, etc., can solve problems such as water leakage, thermal expansion and cold shrinkage, cracks in water tanks, pressure explosions, etc.

Inactive Publication Date: 2016-06-29
GUANGDONG SHUNDE GUANGSHENG ELECTRICAL APPLIANCE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, all household electric water heaters in the world, the water inlet pipe is connected to the water source, from the water inlet to the water tank, without installing other components, can not automatically adjust the pressure in the water tank, all adopt a pressure-bearing structure, and the rated pressure is generally 0.6 Mpa, the test pressure is 1.2Mpa; this kind of pressure will cause many difficult problems; for example, the heat expansion and contraction water tank will crack, leak, and explode under pressure, which is a problem in the world

Method used

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  • External rapid-heating type electric water heater provided with water flow sensor with pressure reduction function and non-metallic blow-molded water tank
  • External rapid-heating type electric water heater provided with water flow sensor with pressure reduction function and non-metallic blow-molded water tank
  • External rapid-heating type electric water heater provided with water flow sensor with pressure reduction function and non-metallic blow-molded water tank

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Embodiment Construction

[0014] Attached below figure 1 In the accompanying drawings: housing 1, cold water inlet pipe 2, hot water outlet pipe 3, water flow sensor 4 with decompression function, controller 5, electric heating pipe 6 (upper electric heating pipe 6-1, Lower electric heating tube 6-2), sealing and fixed point 7, water tank 8, water nozzle 9, temperature measurement or temperature limit sensor installation pipe 10, flange 11, pressure relief valve 14.

[0015] Figure 1 to Figure 3 It is a water flow sensor 4 with decompression function, which consists of a main body 4-1, a cover plate 4-2, a seal 4-3, a spring 4-4, an installation cover plate 4-5, an induction element 4-6, and a connection terminal 4 -7, impeller or rotor or Hall element 4-8, piston 4-9, interface 4-10, water inlet 4-11. The water flow sensor with decompression function is composed of two functional parts A and B:

[0016] Part A, when there is water flow, the water flow pushes the impeller or rotor or Hall element 4...

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Abstract

The invention provides an external rapid-heating type electric water heater provided with a water flow sensor with a pressure reduction function and a non-metallic blow-molded water tank. The water tank 8 is made of non-metallic materials through the blow molding technique, and the water flow sensor 4 with the pressure reduction function is installed on a water inlet pipeline of the water tank and is composed of a component A and a component B. According to the component A, when water flows in the component A, the water flow pushes an impeller or a rotor or a Hall element 4-8 to rotate, and a pulse signal or a current signal or a voltage signal or other signals are output by sensing the water flow rate, so that an intermediate relay is started, and a circuit is closed; and when water is stopped, the circuit is opened, and an electric heating pipe stops heating. According to the component B, a transverse through hole is formed in the small end of a piston 4-9, and a through hole is further formed in the middle of the piston 4-9; when water enters the component B, the water passes through the transverse through hole and enters the water tank from the middle hole of the piston 4-9; and when the pressure in the water tank is increased, backpressure is generated at the big end of the piston 4-9, the piston is made to move, and thus the opening degree of a water inlet 4-11 is decreased or even the water inlet 4-11 is closed.

Description

technical field [0001] The invention relates to a non-metallic blow-molded water tank external fast heating electric water heater with a decompressed water flow sensor. Background technique [0002] At present, all household electric water heaters in the world, the water inlet pipe is connected to the water source, from the water inlet to the water tank, without installing other components, can not automatically adjust the pressure in the water tank, all adopt a pressure-bearing structure, and the rated pressure is generally 0.6 Mpa, the test pressure is 1.2Mpa; this pressure will cause many difficult problems; for example, the heat expansion and contraction water tank will crack, leak, and explode under pressure, which is a problem in the world. Contents of the invention [0003] The present invention improves the existing electric water heaters that use metal materials to make water tanks. The improved electric water heaters are non-metallic blow-molded water tanks with ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F24H1/10F24H9/00F24H9/20F24H9/18
Inventor 刘运柳岑自健刘伶刘成
Owner GUANGDONG SHUNDE GUANGSHENG ELECTRICAL APPLIANCE
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