Electric water heater provided with injection-molded water tank and water flow sensor
A water flow sensor, electric water heater technology, applied in water heaters, fluid heaters, lighting and heating equipment, etc., can solve problems such as inability to automatically adjust water tank pressure, pressure explosion, water leakage, etc.
Inactive Publication Date: 2017-01-04
GUANGDONG SHUNDE GUANGSHENG ELECTRICAL APPLIANCE
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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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[0014] Attached below Figures 1 to 6 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 tube 6 (semiconductor electric heating tube 6-1, metal heating tube 6-1 Electric heating pipe 6-2), sealing and fixing point 7, water tank 8, water nozzle 9, temperature measuring or temperature limiting sensor installation pipe 10, flange 11, pressure relief valve 14, metal or non-metal casing 16.
[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...
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Abstract
The invention discloses an electric water heater provided with an injection-molded water tank and a water flow sensor. The water tank 8 is made of a non-metallic material with an injection molding technology; the water flow sensor 4 having a pressure reducing function is mounted on a water inlet pipeline of the water tank and comprises a component A and a component B; according to the component A, when water flows, water flow pushes impellers or rotors or Hall elements 4-8 to rotate, pulse signals or current and voltage signals and the like are output through induction of the water flow, an intermediate relay is pulled in, a circuit is on, and one or more groups of electric heating tubes are electrified to work; according to the component B, a transverse through hole is formed in the small end of a piston 4-9, a through hole is further formed in the middle of the piston 4-9, in the water inlet process, water passes through the transverse through hole and enters the water tank via the hole in the middle of the piston 4-9, entering of the water is not blocked in the water inlet process, when the water tank is full of water or the water inlet amount is larger than the water outlet amount and pressure in the water tank is increased, the large end of the piston 4-9 produces backpressure, the piston shifts, and a water inlet 4-11 is turned down or even turned off.
Description
technical field [0001] The invention relates to an injection molding water tank electric water heater with a 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 heater with a water tank made of metal materials, and the improved electric water heater is an injection-molded water tank electric water heater with a water flow sensor. Pipe ...
Claims
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Patent Timeline
Login to View More IPC IPC(8): F24H1/00F24H9/00F24H9/18F24H9/20
Inventor 刘运柳
Owner GUANGDONG SHUNDE GUANGSHENG ELECTRICAL APPLIANCE