CN201233633Y

CN201233633Y - Touch alarm

Info

Publication number: CN201233633Y
Application number: CNU2007202007104U
Authority: CN
Inventors: 王成盛
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-07-26
Filing date: 2007-07-26
Publication date: 2009-05-06
Anticipated expiration: 2017-07-26

Abstract

The utility model discloses a touch alarm, which comprises a power supply (V1) and a switch (K1). The positive pole of the power supply (V1) is connected with the pin (1) and the positive pole of the trigger (E1) of a switch integrated circuit chip (T1); the output terminal pin (2) of the switch integrated circuit chip (T1) is connected with an alarm and loudspeaking circuit; the pin (2) of the switch integrated circuit chip (T1) is connected with the pin (5) and the negative pole of the trigger (E1) of the switch integrated circuit chip (T1) through a switching diode (D1); and a capacitor (C1) and a capacitor (C2) are connected between the pin (2) and the pin (5) of the switch integrated circuit chip (T1) and the negative pole of the power supply (V1). When a human body or an animal body touches the metal chip or the iron wire of the trigger, a music chip and a loudspeaker work to send an alarm; and power is cut off only by turning off the main switch, so that the alarm can be relieved. The utility model has the advantages of simple structure and low cost, and can be used for guarding the areas such as vegetable field, orchard and the like.

Description

Touching warner

Technical field

The utility model relates to a kind of touching warner, belongs to the alarm technical field.

Background technology

In the prior art, the most of functions of touching warner are more, but the consequence of bringing is a complex structure, and used electronic component is many, has improved production cost of products, are not suitable for the lower occasion of some input costs and use, such as guard vegetable plot, orchard etc.

Summary of the invention

The purpose of this utility model is, a kind of touching warner is provided.This alarm is simple in structure, cost is lower, uses comparatively economical.

The technical solution of the utility model.Touching warner, its structure comprise power supply V1 and K switch 1, and the positive pole of power supply V1 connects stitch 1 and the trigger E1 positive pole of switch integrated circuit chip T1, and the output terminal stitch 2 of switch integrated circuit chip T1 connects the warning loudspeaker circuit; The stitch 2 of switch integrated circuit chip T1 connects stitch 5 and the trigger E1 negative pole of switch integrated circuit chip T1 by switching diode D1, is connected capacitor C 1 and capacitor C 2 between the negative pole of the stitch 2 of switch integrated circuit chip T1 and stitch 5 and power supply V1.

Above-mentioned touching warner, the structure of warning loudspeaker circuit comprises musical film A1 and loudspeaker Y1, musical film A1 is connected the output terminal of switch integrated circuit chip T1 with the positive pole of loudspeaker Y1, the negative pole of musical film A1 connects power supply V1 negative pole, and the stitch 0 of musical film A1 connects the base stage of triode T2; The negative pole of loudspeaker Y1 connects the collector of triode T2, and the emitter of triode T2 connects power supply V1 negative pole.

Above-mentioned touching warner, the structure of trigger E1 comprise sheet metal 1 and triode T3, and sheet metal 1 connects the base stage of triode T3.

Of the present utility model simple in structure, when human body or animal touch the sheet metal of trigger or iron wire, the energising of switch integrated circuit chip, output terminal stitch output voltage, this voltage feeds back on the switch integrated circuit chip through diode, make it keep energising, realize the circuit self-locking, musical film and speaker operation are sent chimes of doom, only close master switch and just cut off the power supply, make all clear.Of the present utility model simple in structure, cost is low, can be used to guard fields such as vegetable plot, orchard.

Description of drawings

Accompanying drawing 1 is a structural representation of the present utility model.

Embodiment

Embodiment of the present utility model: touching warner, its structure comprises power supply V1 and the K switch 1 that is connected, the positive pole of power supply V1 connects stitch 1 and the trigger E1 positive pole of switch integrated circuit chip T1, and the output terminal stitch 2 of switch integrated circuit chip T1 connects the warning loudspeaker circuit.Switch integrated circuit chip T1 adopts switch integrated circuit chip TWH8778.The stitch 2 of switch integrated circuit chip T1 is by stitch 5 and the trigger E1 negative pole of switching diode D1 connection switch integrated circuit chip T1, and switching diode D1 adopts diode 4148.Between the negative pole of the stitch 2 of switch integrated circuit chip T1 and stitch 5 and power supply V1, be connected capacitor C 1 and capacitor C 2.

The structure of the utility model warning loudspeaker circuit comprises musical film A1 and loudspeaker Y1, musical film A1 is connected the output terminal of switch integrated circuit chip T1 with the positive pole of loudspeaker Y1, the negative pole of musical film A1 connects power supply V1 negative pole, and the stitch 0 of musical film A1 connects the base stage of triode T2; The negative pole of loudspeaker Y1 connects the collector of triode T2, and the emitter of triode T2 connects power supply V1 negative pole.Musical film A1 adopts four tones of standard Chinese pronunciation integrated circuit 9561.The structure of trigger E1 comprises sheet metal 1 and triode T3, and triode T3 adopts triode 9014, and sheet metal 1 also can replace with iron wire, and sheet metal 1 connects the base stage of triode T3, and the collector and emitter of triode T3 is respectively as the both positive and negative polarity of trigger E1.In the present embodiment, trigger E1 can adopt a plurality of parallel connections, reports to the police to be used for different positions.

When human body or animal touch the sheet metal 1 of trigger E1 or iron wire, triode T3 exports positive pulse signal, switch integrated circuit chip T1 energising, output terminal stitch 2 output voltages, this voltage feeds back on the switch integrated circuit chip T1 through diode D1, make it keep energising, realize the circuit self-locking, musical film A1 and loudspeaker Y1 work, send chimes of doom, only close master switch K1, circuit just cuts off the power supply, and makes all clear.

Claims

[claim 1] a kind of touching warner, its structure comprises power supply V1 and K switch 1, it is characterized in that: the positive pole of power supply V1 connects stitch 1 and the trigger E1 positive pole of switch integrated circuit chip T1, and the output terminal stitch 2 of switch integrated circuit chip T1 connects the warning loudspeaker circuit; The stitch 2 of switch integrated circuit chip T1 connects stitch 5 and the trigger E1 negative pole of switch integrated circuit chip T1 by switching diode D1, is connected capacitor C 1 and capacitor C 2 between the negative pole of the stitch 2 of switch integrated circuit chip T1 and stitch 5 and power supply V1.
[claim 2] touching warner according to claim 1, it is characterized in that: the structure of warning loudspeaker circuit comprises musical film A1 and loudspeaker Y1, musical film A1 is connected the output terminal of switch integrated circuit chip T1 with the positive pole of loudspeaker Y1, the negative pole of musical film A1 connects power supply V1 negative pole, and the stitch O of musical film A1 connects the base stage of triode T2; The negative pole of loudspeaker Y1 connects the collector of triode T2, and the emitter of triode T2 connects power supply V1 negative pole.
[claim 3] touching warner according to claim 1 is characterized in that: the structure of trigger E1 comprises sheet metal 1 and triode T3, and sheet metal 1 connects the base stage of triode T3.