Practical electric leakage protector detecting dangerous leakage voltage value

A technology of leakage voltage and safety device, which is used in the field of safety and detection to achieve the effect of preventing electric shock and reliable protection.

Active Publication Date: 2009-02-04
朱玉光
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  • Abstract
  • Description
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  • Practical electric leakage protector detecting dangerous leakage voltage value
  • Practical electric leakage protector detecting dangerous leakage voltage value
  • Practical electric leakage protector detecting dangerous leakage voltage value

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[0065] The following introduces the specific implementation scheme of the present invention such as the 36V dangerous leakage protector, which is also applicable to the drafting of other dangerous leakage voltage detection schemes. The drafting of the scheme of the present invention adopts integrated circuits and separate components to form together.

[0066] 1. Description of the design of the voltage leakage protector of the present invention

[0067] 1. Use 220V·AC single-phase power supply, suitable for two-post sockets, and also suitable for three-post sockets.

[0068] 2. The scheme of the present invention is suitable for single-phase electrical appliances, and also suitable for leakage monitoring of three-phase electrical appliances. The wiring diagram is shown in the figure ( image 3 ), wherein frame I is a three-phase electrical appliance, and frame II is a three-phase leakage protector composed of three groups of single-phase same-voltage leakage protectors a, b,...

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Abstract

The invention belongs to the leading front edge technology in safety and detection and discloses a practical method for realizing electric leakage alarm and power-down control according to bridge drain voltage testing method and principle of automatic control which can also be used in other technical fields aiming at detecting relative drain voltage. The method is applied to the following aspects detailedly: 1. supervision on electrical device drain voltage and production of detecting instruments for dangerous drain voltage. 2. Production of voltage-type (in relation to RCD) electric leakage protector against electric leakage of electrical device that endangers the operator. 3. Safe operation of electrical equipment and remote supervision plan design. And 4. specifically for the following market scopes: (1) protection against household electrical appliances that endanger human body. (2) Protection against electric tool electric leakage that endangers human body. And (3) earth leakage protection and protection against electric shock for electrical equipment in industrial and mining enterprises.

Description

Technical field: [0001] The invention belongs to the safety and detection technology, and discloses a practical product design scheme for realizing leakage alarm or disconnecting the power supply and preventing leakage accidents according to the bridge leakage voltage detection method and automatic control principle, and can also be used for the purpose of detecting leakage voltage Other technical solutions. [0002] The present invention is specifically applicable to the following aspects: [0003] 1. It is suitable for the monitoring of electrical equipment leakage voltage and the production of dangerous leakage voltage detection instruments. [0004] 2. It is suitable for the production of voltage-type leakage protectors that endanger operators due to electrical equipment leakage. [0005] 3. It is suitable for the formulation of safe operation of electrical equipment and remote monitoring programs. [0006] 4. Specifically, it is applicable to the following market range...

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Application Information

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IPC IPC(8): H02H3/14
Inventor 朱玉光
Owner 朱玉光
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