CN201698545U

CN201698545U - Treading-type colored lamp alarm

Info

Publication number: CN201698545U
Application number: CN201020223957XU
Authority: CN
Inventors: 曾艺
Original assignee: Chongqing Technology and Business University
Current assignee: Chongqing Technology and Business University
Priority date: 2010-06-11
Filing date: 2010-06-11
Publication date: 2011-01-05
Anticipated expiration: 2020-06-11

Abstract

The utility model relates to a treading-type colored lamp alarm consisting of a rectangular frame, a battery group, an upward-pulling resistor, a single steady-state triggering circuit, a buzzer and a current-limiting resistor thereof and a three-colored lamp group and a circuit thereof, wherein the negative electrode of the battery group is connected with the upper part of the rectangular frame, and the positive electrode thereof is connected with a bottom plate of the rectangular frame by the upward-pulling resistor; the bottom plate is also connected with the input end of the single steady-state triggering circuit; the output end of the triggering circuit is connected with the buzzer and the current-limiting resistor in series and then is connected to the negative electrode of the battery group; and the output end of the triggering circuit is also connected with the three-colored lamp group and the input end of the circuit thereof. When the outside of the whole rectangular frame is wrapped with an insulating material, the shape of the treading-type colored lamp alarm is similar to a treading pad or a carpet, the treading-type colored lamp alarm can be arranged on a channel of a living room, and can excite the triggering circuit to act once the lamp alarm is treaded by people so as to start the buzzer, and a light-emitting diode of the three-colored lamp group lights and alarms in sequence. The treading-type colored lamp alarm has the advantages of simple structure, convenient manufacture, low cost and convenient and effective use.

Description

Override type color lamp alarm

Technical field

The utility model relates to the security protection electronic technology field, particularly relates to a kind of burglar alarm of override type.

Background technology

Submit to the utility model patent " override type alarm " of examination simple for structure, economical and practical recently, use buzzer call to report to the police, but the mode of its warning is single.

The utility model content

The purpose of this utility model provides a kind of override type color lamp alarm, can be arranged in enforcement sound and light burglar alarm on the inlet in room or the passage.

The technical scheme that its purpose that realizes the utility model adopts is, it is made up of a rectangular frame, electric battery, pull-up resistor, single-shot trigger circuit, hummer and a current-limiting resistance thereof and three color lamp group and circuit thereof; Wherein, the negative pole of electric battery is connected to the top of rectangular frame, its positive pole is connected to the base plate of rectangular frame by pull-up resistor, this base plate is also connected to the input end of single-shot trigger circuit, be connected to the negative pole of electric battery behind the output terminal series connection hummer of described trigger circuit and the current-limiting resistance thereof, the output terminal of described trigger circuit is also connected to the input end of three color lamp group and circuit thereof.

The base plate of described rectangular frame is made up of a plate of conductive material, and a wire gauze is arranged at its top, and base plate and wire gauze are isolated by the both sides insulation of framework and supported, and the outer wrap of whole rectangular frame insulating material.

Described single-shot trigger circuit is to be the monostable circuit of core with bipolarity 555 integrated circuit; Wherein, 555 pin 2 is connected respectively to a resistance and an electric capacity, the other end of described resistance is connected to the positive pole of electric battery, the other end of described electric capacity constitutes the input end of single-shot trigger circuit, 555 pin 6 and pin 7 parallel connections, be connected respectively to a timing resistor and a timing capacitor again, the other end of timing resistor and timing capacitor is connected respectively to the positive pole and the negative pole of electric battery, electric capacity of pin 5 series connection of 555 is to the negative pole of electric battery, 555 reset terminal 4 and power end 8 also are connected to the positive pole of electric battery, and 555 pin 3 constitutes the output terminal of these trigger circuit.

Described three color lamp group and circuit thereof comprise: the light-emitting diode group and the driving circuit thereof of the controlled multi-resonant oscillating circuit of two 2 input nand gate circuit compositions, 2 input nand gate circuit, a CD4017, three kinds of glow colors; Wherein, an input end of previous 2 input nand gates of multi-resonant oscillating circuit constitutes the input end of three color lamp group and circuit thereof, its another input end connects a resistance, its output terminal is connected with two input ends of back one 2 input nand gate of a timing resistor and multi-resonant oscillating circuit respectively, the output terminal of one 2 input nand gate in back is connected respectively to the input end of clock of a timing capacitor and CD4017, and the other end of described two resistance and timing capacitor interconnects; Described the 3rd that is independently two input ends of 2 input nand gate circuit all be connected to the input end that does not connect resistance of previous 2 input nand gates of forming multi-resonant oscillating circuit, its output terminal is received the clear terminal of CD4017; The light-emitting diode group of three kinds of glow colors and driving circuit thereof comprise the light emitting diode of three groups of different glow colors and three the Darlington triodes corresponding with each group, wherein, each light emitting diode is all formed series circuit with the positive pole of its current-limiting resistance, electric battery and the collector of corresponding Darlington triode, and the emitter of three Darlington triodes is all received the negative pole of electric battery; The Enable Pin of CD4017 is also received the negative pole of electric battery, its nine output terminals are divided into three groups: Q1, Q4, Q7, Q2, Q5, Q8 and Q3, Q6, Q9, three output terminals resistance of connecting respectively in described each group is connected in parallel later on again, is connected to the base stage of described three Darlington triodes then in regular turn.

The utility model has the advantages that simple for structure, it is convenient, with low cost, easy to use to make, and has sound and light of alarm concurrently.

Description of drawings

The contrast accompanying drawing further specifies the utility model below.

Fig. 1 is the block diagram of system of the present utility model.

Fig. 2 is the circuit diagram of single-shot trigger circuit.

Fig. 3 is three color lamp group and circuit thereof.

Among the figure, 1. rectangular frame, the side of rectangular frame 12. (wide), the side of rectangular frame 13. (length), 14. the base plate of rectangular frame, 15. the wire gauze on the top of rectangular frame, 3. electric battery, 4. single-shot trigger circuit, 41. bipolar integrated circuits 555,5. hummer, 6. three color lamp group and circuit thereof, 61.-63.2 input nand gate circuit, 64.CD4017,65. the light-emitting diode group of three kinds of glow colors and driving circuit thereof, the light-emitting diode group that the 66.-68. glow color is different.

Embodiment

Referring to Fig. 1, the utility model comprises: a rectangular frame (1), electric battery (3), pull-up resistor R, single-shot trigger circuit (4), hummer (5) and current-limiting resistance R thereof _bAnd three color lamp group and circuit (6) thereof.The base plate (14) of rectangular frame (1) is made up of a plate of conductive material, its top is an exposed wire gauze (15), base plate (14) and wire gauze (15) are isolated by the both sides (13) of framework (1) or (12) insulation and are being supported, the outer wrap of whole rectangular frame (1) insulating material, appearance likeness in form residential carpet or step tread pad.

Single-shot trigger circuit (4) is a core with bipolar integrated circuit 555 (41) as shown in Figure 2, and working method is for can not heavily triggering.555 (41) pin 3 constitutes the output terminal of these trigger circuit (4), and its output high level of current and output low level are irritated electric current and all reached 200mA, can directly drive the load of big electric current.The duration that this 555 monostable circuit triggers the high level of output is determined by timing resistor R42 and timing capacitor C42: τ=R ₄₂C ₄₂Ln3 ≈ 1.1R ₄₂C ₄₂By parameter shown in Figure 2, buzzing was about 15 seconds.Capacitor C 41 and pull-up resistor R41 form AC coupling trigger pip input circuit, exempted 555 single-shot trigger circuits and be shorter than the requirement that it exports high level time for saltus step trigger pulse under the input, the end that capacitor C 41 non-connects 555 pin 2 constitutes the input end of these trigger circuit (4), is connected to the base plate (14) of rectangular frame (1).

Three color lamp group and circuit thereof (6) are arranged in the suitable position of rectangular frame (1), for example both sides as shown in Figure 3.Controlled multi-resonant oscillating circuit is formed in two 2 input nand gate circuit (62) and (63), the output signal control of whether vibrating and being subjected to single-shot trigger circuit (4), and its oscillation frequency is: f=1/ (1.5*R ₆₂* C ₆).Counting Enable Pin/EN of decade counter CD4017 (64) receives the negative pole of electric battery (3), is in the low level effective status.

At ordinary times, the wire gauze (15) on the top of rectangular frame (1) is supported isolation and insulation with its base plate (14) by at least one pair of side (12) of framework (1) or (13), trigger circuit (4) are failure to actuate, its pin of 555 (41), 3 output low levels, the result is: 1) block controlled multi-resonant oscillating circuit and 2 input nand gate circuit (61), the whole zero clearings of output terminal of decade counter CD4017 (64), the light-emitting diode group of three kinds of glow colors and driving circuit thereof (65) do not move 2) hummer sounding not.

If someone tramples rectangular frame (1), the wire gauze on its top (15) can touch the base plate (14) of conduction downwards, the trigger pip input circuit that voltage jump signal from high to low capacitor C 41 and pull-up resistor R41 by single-shot trigger circuit (4) forms enters the trigger end 2 of 555 circuit (41), causing 555 (41) pin 3 saltus steps is high level, the result is: 1) drive buzzer call and report to the police, 2) remove the blockade of 2 input nand gate circuit (61) and controlled multi-resonant oscillating circuit simultaneously, the zero clearing control end Clear of decade counter CD4017 (64) is in the low level disarmed state, controlled multi-resonant oscillating circuit starting of oscillation, its oscillator signal enters the clock pulse input terminal of CD4017 (64) and counts, the output terminal Q1-Q9 of CD4017 (64) exports high level pulse successively, drive the conducting of three Darlington triodes in regular turn by driving circuit (65), cause the different light-emitting diode group of glow color (66), (67) and (68) luminous in regular turn.

During use, the side (length) (13) of rectangular frame (1) and the size of side (wide) (12) should cover the inlet or the passage in the room of being guarded against, and make people's paces drop on the rectangular frame (1).When producing in batches, preferably this alarm is made standard size, determine the different light-emitting diode group (66) of glow color, the number of (67) and (68) in view of the above.According to circumstances can several side by side uses.

Regulate the oscillation frequency of the controlled multi-resonant oscillating circuit in three color lamp group and the circuit (6) thereof: f=1/ (1.5*R ₆₂* C ₆), the assembled arrangement mode of change Tricolor LED can obtain suitable luminous warning visual effect.

Claims

1. an override type color lamp alarm is characterized in that, is made up of a rectangular frame, electric battery, pull-up resistor, single-shot trigger circuit, hummer and a current-limiting resistance thereof and three color lamp group and circuit thereof; Wherein, the negative pole of electric battery is connected to the top of rectangular frame, its positive pole is connected to the base plate of rectangular frame by pull-up resistor, this base plate is also connected to the input end of single-shot trigger circuit, be connected to the negative pole of electric battery behind the output terminal series connection hummer of described trigger circuit and the current-limiting resistance thereof, the output terminal of described trigger circuit is also connected to the input end of three color lamp group and circuit thereof.

2. override type color lamp alarm according to claim 1, it is characterized in that, the base plate of described rectangular frame is a plate of conductive material, a wire gauze is arranged at the top of rectangular frame, base plate and wire gauze are isolated by the both sides insulation of framework and are being supported, and the outer wrap of whole rectangular frame insulating material.

3. override type color lamp alarm according to claim 1 is characterized in that, described single-shot trigger circuit is to be the monostable circuit of core with bipolarity 555 integrated circuit; Wherein, 555 pin 2 is connected respectively to a resistance and an electric capacity, the other end of described resistance is connected to the positive pole of electric battery, the other end of described electric capacity constitutes the input end of single-shot trigger circuit, 555 pin 6 and pin 7 parallel connections, be connected respectively to a timing resistor and a timing capacitor again, the other end of timing resistor and timing capacitor is connected respectively to the positive pole and the negative pole of electric battery, electric capacity of pin 5 series connection of 555 is to the negative pole of electric battery, 555 reset terminal 4 and power end 8 also are connected to the positive pole of electric battery, and 555 pin 3 constitutes the output terminal of these trigger circuit.

4. override type color lamp alarm according to claim 1, it is characterized in that described three color lamp group and circuit thereof comprise: the light-emitting diode group and the driving circuit thereof of the controlled multi-resonant oscillating circuit of two 2 input nand gate circuit compositions, 2 input nand gate circuit, a CD4017, three kinds of glow colors; Wherein, an input end of previous 2 input nand gates of multi-resonant oscillating circuit constitutes the input end of three color lamp group and circuit thereof, its another input end connects a resistance, its output terminal is connected with two input ends of back one 2 input nand gate of a timing resistor and multi-resonant oscillating circuit respectively, the output terminal of one 2 input nand gate in back is connected respectively to the input end of clock of a timing capacitor and CD4017, and the other end of described two resistance and timing capacitor interconnects; Described the 3rd that is independently two input ends of 2 input nand gate circuit all be connected to the input end that does not connect resistance of previous 2 input nand gates of forming multi-resonant oscillating circuit, its output terminal is received the clear terminal of CD4017; The light-emitting diode group of three kinds of glow colors and driving circuit thereof comprise the light emitting diode of three groups of different glow colors and three the Darlington triodes corresponding with each group, wherein, each light emitting diode is all formed series circuit with the positive pole of its current-limiting resistance, electric battery and the collector of corresponding Darlington triode, and the emitter of three Darlington triodes is all received the negative pole of electric battery; The Enable Pin of CD4017 is also received the negative pole of electric battery, its nine output terminals are divided into three groups: Q1, Q4, Q7, Q2, Q5, Q8 and Q3, Q6, Q9, three output terminals resistance of connecting respectively in described each group is connected in parallel later on again, is connected to the base stage of described three Darlington triodes then in regular turn.