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Earthwire charged monitoring display water heater

A ground wire live, water heater technology, used in fluid heaters, lighting and heating equipment, etc., can solve problems such as indicator lights, failure to meet installation requirements, and wrong judgments.

Active Publication Date: 2009-09-16
HAIER GRP CORP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in the current new buildings, the external pipe fittings are all insulating pipes, which cannot meet the installation requirements
In the prior art, even if the indicator light is connected between the inner tank of the water heater and the wall, there are still defects, because when the electrical appliance leaks, the current enters the wall from the inner tank through the indicator light, and the indicator light is on. When the potential is high, although the water heater does not leak electricity, it will also cause the indicator light to be on, so it is easy to cause misjudgment

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment approach 1

[0016] The present invention relates to a ground wire live monitoring and display water heater. The structure of the water heater itself is the structure of "an electric water heater for preventing electric shock" proposed by the applicant in the ZL01135300. The water pipe, the water inlet liner 10 and the water outlet liner 11, the water inlet liner 10 is an insulating pipe, and the length L from the water inlet to the water outlet of the water inlet liner 10 and the water outlet liner 11 satisfies L>53r 2 , r is the inner hole radius of the inlet and outlet liner. The structure of the above-mentioned water heater can ensure that even if the water heater leaks electricity, even if the inside of the water heater is fed with 242V voltage, the water outlet voltage of the water heater is lower than the safe voltage (36V) and within the range of the absolute safe voltage (12V). Therefore, the safety of the bather can be ensured.

[0017] In the present invention, the water heater...

Embodiment approach 2

[0021] The above-mentioned water heater can also be installed with its shell 4 and inner tank 9 insulated, the external hanger 3 and the shell 4 are connected with good conductivity, and the wall-mounted bolt 1 is connected with the external hanger 3 with good conductivity. Can have good electrical conductivity with the body of wall; The indicator light that above-mentioned neon bulb and current-limiting resistor are connected in series is connected between liner 9 and shell 4.

[0022] The above scheme utilizes the shell 4, the hanger 3, and the bolt 1 as conductors to form a circuit with the wall. Once the inner tank 9 is charged, the electricity will pass through the inner tank 9, the neon bulb 8, the current limiting resistor 7, the outer shell 4, the hanger 3, The bolt 1 is introduced into the wall and enters the earth, and the neon bulb 8 will emit light so as to give an alarm prompt. The advantage of this solution is that as long as the water heater is hung on the wall,...

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Abstract

This invention is a kind of earth wire charged monitoring and displaying water heater. It includes: body casing, inner bladder, water absorbing and exhausting pipe, water absorbing screened pipe and water exhausting screened pipe. The said water absorbing screened pipe is the insulating pipe. The length L from inlet to outlet of water absorbing screened pipe and water exhausting screened pipe meets L>53r2 (r is the inner hole radius of water absorbing and exhausting pipe). The water heater connects to wall body through outer pylons. The inner bladder of water heater is insulated from body casing and outer pylons. There is an indicating lamp between inner bladder and wall body. It is connected by conductive wires and is composed of neon lamp and protective impedance string. Or body casing, outer pylons and wall hanging bolt are electric connected. The indicating lamp composed of neon lamp and protective impedance string is connected between the inner bladder and body casing. When the ground wire is charged, the indicating lamp lights.

Description

technical field [0001] The invention relates to an electric water heater, in particular to an electric water heater capable of displaying that the ground wire is electrified. Background technique [0002] The safety of home appliances has always been a hot spot that people pay attention to. As a special electrical product, water heaters are even more important. Because once the water heater leaks electricity, it will directly endanger people's life safety. Haier Group Corporation proposed a shock-proof electric water heater in the ZL01135300.7 patent. By increasing the length of the water outlet path and increasing the resistance, even if the water heater leaks and the water in the water heater is electrified, the outlet water voltage can be lower than the safe voltage ( 36V), it can be said that this scheme has solved the bathing safety problem when the water heater leaks electricity. However, there are potential safety hazards in water heater leakage after all. Therefore...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F24H9/20
Inventor 孙京岩侯全舵王任华张伟
Owner HAIER GRP CORP
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