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Total obstructing insulation device and electric water heater employing the same

A technology for electric water heaters and insulating devices, applied in the direction of insulated cables, insulated conductors, water heaters, etc., can solve problems such as inability to ensure safety, electric shock, etc., reduce conduction heat dissipation, ensure safe use, and improve heating speed and thermal efficiency Effect

Active Publication Date: 2008-10-15
A O SMITH (CHINA) WATER HEATER CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, when the inside of the electric water heater leaks (live) electricity, if the user accidentally touches the exposed end of the connector, there is still a possibility of electric shock, which cannot theoretically ensure safety.

Method used

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  • Total obstructing insulation device and electric water heater employing the same
  • Total obstructing insulation device and electric water heater employing the same

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0015] This embodiment is an electric water heater using a full barrier insulation device, such as figure 1 As shown, the electric heating rod (not shown in the figure) is installed in the enamel inner tank 6 of the water heater, and the outer surface of the inner tank 6 is welded with an M-shaped inner tank bracket, which constitutes the first connected member adjacent to the charged device. . The outer surface of the shell cylinder 3 covered outside the liner is equipped with a shell hanger 2 for hanging the electric water heater, which constitutes the second external connected member. The isolating insulator 5 of nylon material is located between the two connected components. While isolating the inner tank component from the outer shell component, it also acts as a spacer for the inner tank bracket 4 to connect the inner tank component and the outer tank member as a fastening connector. The bolt 1 and the nut are insulated and isolated, and the bolt 1 in the fastening conn...

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Abstract

The invention relates to an improvement of insulated device, and an electric water heater with said device, belonging to the household appliance technique. The inventive all-baffle insulated device comprises a first connected element near the electric appliance, a outwards second connected element, a separation insulated element between said two connected elements and a connection element. Said separation insulated element can at least separate the first connected element from the connection element; said connection element is through the first connected element, the separation insulated element and the second connected element to connect them. Therefore, if the first connected element is electrified by electric leakage, the other elements will not be electrified to confirm the safety. Compared to present technique, the invention can avoid the electric leakage to reach the safety standard of household appliance.

Description

technical field [0001] The invention relates to an improvement of an insulation device and an electric water heater using the device, which belongs to the technical field of household appliances. Background technique [0002] The insulation performance of household appliances has always been an issue of concern and research. The national standard GB 4706.1 "Safety of Household and Similar Electrical Appliances" specifies the safety requirements for household appliances in detail. The search found that the Chinese invention patent with application number 031062628 discloses an insulating component and an electric water heater using the insulating component, wherein the insulating component includes a support for the first insulated object, a support for the second insulated object, an insulating pad, and a connector. And the insulating sleeve, the insulating pad is arranged between the support of the first insulated object and the second object, the above-mentioned insulatin...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F24H9/20F24H1/18H01B7/02
Inventor 常小辉万华新
Owner A O SMITH (CHINA) WATER HEATER CO LTD
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