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Safety patch board

A plug-in board, safe technology, applied in the direction of instruments, electrical components, coupling devices, etc., can solve problems such as large current, wire heating, safety accidents, etc., to achieve the effect of convenient use, prevention of safety accidents, and good timing

Inactive Publication Date: 2016-07-06
张丽玉
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the rated current of the existing plug-in boards has different levels such as 10A, 16A, and 20A. However, when using high-power electrical appliances such as air conditioners or induction cookers, the current during the use of the electrical appliances is large. If the user uses the rated current A small plug-in board will cause the wires to heat up, and even cause a safety accident; and when using the plug-in board in daily life, such as boiling water or charging a mobile phone, it is necessary to set a time to avoid wasting electric energy or causing safety accidents. Therefore, the plug board is required to have a timing function

Method used

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Examples

Experimental program
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Effect test

Embodiment 1

[0022] See attached figure 1 And attached figure 2 , a safety plug board, including a crystal oscillator 101, a single-chip microcomputer 100, a switch device 106 and a jack 107 that are electrically connected in sequence, and the output end of the switch device 106 is connected to the single-chip microcomputer 100 through a current sampling circuit 102; The button unit 103, the alarm unit 104 and the display unit 105 connected to the single-chip microcomputer 100; the crystal oscillator 101 is used to provide timing pulses; the switch device 106, the button unit 103 and the alarm unit 104 are arranged on the insulating shell of the plug board; The switch device 106 is connected to the mains.

[0023] Further, the commercial power is connected to the single-chip microcomputer 100 through the AC-DC step-down circuit 201 to supply power for the single-chip microcomputer 100 .

[0024] Preferably, but not limited to, the switch device 106 is a relay or a switch; the alarm unit...

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PUM

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Abstract

The invention relates to the household electrical appliance technical field and relates to a safety patch board. The safety patch board comprises a crystal oscillator, a single-chip microcomputer, a switch device and jacks which are successively and electrically connected with one another; the output end of the switch device is connected to the single-chip microcomputer through a current sampling circuit; the safety patch board further comprises a key unit, an alarm unit and a display unit which are separately connected with the single-chip microcomputer; the crystal oscillator is used for providing timing pulses; the switch device, the key unit and the alarm unit are disposed on an insulating housing of the patch board; and the switch device is connected with commercial power. The safety patch board provided by the invention has electric appliance current detection and timing functions and can assist in guaranteeing the safety of a user who using the patch board.

Description

technical field [0001] The invention relates to the technical field of household appliances, in particular to a safety plug board. Background technique [0002] The plug-in board is a kind of commonly used electrical equipment, which includes a plug and a plug-in board body. Jacks are provided on the insulating shell of the plug-in board body, and the mains power can be transmitted to electrical appliances by using the plug-in board. At present, the rated current of the existing plug-in boards has different levels such as 10A, 16A, and 20A. However, when using high-power electrical appliances such as air conditioners or induction cookers, the current during the use of the electrical appliances is large. If the user uses the rated current A small plug-in board will cause the wires to heat up, and even cause a safety accident; and when using the plug-in board in daily life, such as boiling water or charging a mobile phone, it is necessary to set a time to avoid wasting electri...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01R13/66H01R13/70H01R13/713G08B21/02
Inventor 张丽玉
Owner 张丽玉