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High temperature automatic control alarm system

An alarm system, high technology, applied to thermometers, alarms, thermometer parts, etc., can solve problems such as high cost and complex structure

Inactive Publication Date: 2017-03-22
ANKANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The current automatic alarm device for excessive temperature has complex structure and high cost

Method used

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  • High temperature automatic control alarm system
  • High temperature automatic control alarm system

Examples

Experimental program
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Embodiment Construction

[0015] Hereinafter, the invention will now be described more fully with reference to the accompanying drawings, in which various embodiments are shown. However, this invention may be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.

[0016] Hereinafter, exemplary embodiments of the present invention will be described in more detail with reference to the accompanying drawings.

[0017] Firstly, put a semiconductor element sensitive to the Hall effect between two identical soft ferromagnetic elements. The smaller the coercive force of the soft ferromagnetic element, the better. Such as figure 1 shown.

[0018] put above figure 1 The element structure shown is placed in two symmetrical copper coils. After the copper coils are passed with current, t...

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Abstract

The invention relates to an automatic control alarm system for overtemperature. The system comprises a semiconductor element, soft ferromagnetic elements, copper coils, a battery, a thermo-sensitive element, a pressure-sensitive element, an adjustable resistor, an audion, a switch and a music module. The semiconductor element is located between the two identical soft ferromagnetic elements, the soft ferromagnetic elements are placed in the two symmetrical copper coils, the battery can supply power to the copper coils to generate the Hall effect, the thermo-sensitive element is connected between the semiconductor element and the positive pole of the battery, the electric potentials at the two ends in the Hall effect are exerted on the pressure-sensitive element, the switch is located between the positive pole of the battery and the high electric potential end of the Hall effect, a first pin and a second pin of the music module are connected between the high electric potential end of the Hall effect and the switch, a third pin of the music module is connected with the collector electrode of the audion, the adjustable resistor is connected between the low electric potential end of the Hall effect and the emitting electrode of the audion, and the base electrode of the audion is connected with the low electric potential end of the Hall effect.

Description

technical field [0001] The invention relates to an automatic control and alarm system for excessive temperature. Background technique [0002] The current automatic alarm device for excessive temperature has complex structure and high cost. Contents of the invention [0003] The invention relates to an automatic control alarm system for excessive temperature. The system includes: a semiconductor element, a soft ferromagnetic element, a copper coil, a battery, a heat sensitive element, a pressure sensitive element, an adjustable resistor, a triode, a switch and a music module; [0004] The semiconductor element is located between two identical soft ferromagnetic elements; [0005] The soft ferromagnetic element is placed in two symmetrical copper coils; the battery can generate Hall effect by electrifying the copper coils; [0006] The thermosensitive element is connected between the semiconductor element and the positive electrode of the battery; [0007] The potentials...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G08B21/18
CPCG01K1/02
Inventor 文艳妮
Owner ANKANG UNIV