CN2282241Y - Induced indicator for emergency voice production - Google Patents

Abstract

The utility model relates to an induced indicator for emergency phonation, which adds an automatic voice control circuit composed of a detection circuit, an electric phonation control circuit, a magnifying output circuit and a loudspeaker in a luminous indicating circuit on the basis of the existing emergency luminous indicating device. The utility model retains all the functions of the existing emergency indicating device and can prompt crowds to evacuate into an escape way by automatic voice broadcast and simultaneously make emergency luminous indication, which can effectively avoid casualty accidents caused by consternation. The utility model has the advantages of simple structure, stable performance, low cost, practicality, etc.

Description

Emergent sounding is induced indicator

The utility model relates to indicating device, and particularly a kind of emergent sounding is induced indicator.

The existing emergent indicating device of inducing, can only or meeting in particular cases in power failure usually, (as disasters such as fire alarm, earthquakes) do not have other function for the effect that the crowd provides prompting outlet or escape way.Because the function singleness of this product causes taking place in emergency circumstances, only according to the luminous Warning Mark of inducing, alarmed numerous crowd's safe escapes can't be gone out, thereby cause the public place personnel casualty accidents to happen occasionally.

The purpose of this utility model provides a kind of modern design, simple in structure, both kept outside the existing emergent indicating device all functions, again can be in emergent luminous indication, evacuate toward the escape way direction by automatic speech broadcasting prompting crowd, can effectively avoid casualty accident, a kind of novel indicator of inducing that ensures public safety because of bringing in panic.

The purpose of this utility model is achieved by the following scheme, this indicator is on the basis of existing light-emitting device instructions, in its control circuit, set up by testing circuit II, electronic sound control circuit, amplification output circuit the automatic speech control circuit that loudspeaker etc. constitute.Base ic chip when wherein said testing circuit II comprises ₂, trigger action triode Q ₆, Q ₇, switch triode Q ₁₀, switching diode D ₁₅And peripheral resistance, electric capacity constitutes, wherein triode Q ₆Base stage through resistance R ₃₁, R ₃₀Sending and receiving light control circuit output terminals A point, Q ₆Collector one tunnel through resistance R ₃₂Meet switching diode D ₁₅, another road meets triode Q ₇Base stage, Q ₇Collector through resistance R ₃₄, R ₃₅, IC ₂48 pin Q ₁₀Collector be connected to emission control circuit B point, ic chip ₂2 pin be connected to Q ₇Collector, IC ₂3 pin through resistance R ₃₉Meet triode Q ₁₀Base stage, Q ₁₀The B point of collector sending and receiving light control circuit, triode Q wherein ₆, Q ₇, Q ₁₀Emitter and IC ₂1 pin common ground one tunnel be connected to K switch ₄One end, another road is connected to the electronic sound control circuit.Said electronic voicing circuit and amplification output circuit comprise the voice ic chip ₃, power discharging integrated block IC ₄, amplifying triode Q ₈, switch triode Q ₉, diode D ₁₈And peripheral resistance capacitance, loudspeaker Y, K switch ₅, constitute ic chip wherein ₃8 pin and 12 pin parallel resistance R ₄₁After connect K switch ₄An end, IC ₃7 pin through K switch ₅, resistance R ₃₆Meet triode Q ₈Base stage, Q ₈Collector through diode D ₁₆, resistance R ₄₂, IC ₃12 pin meet K ₄An end, Q ₈Emitter one tunnel through resistance R ₄₃, R ₄₄Meet Q ₉Base stage, the other end is through capacitor C ₁₃With triode Q ₉Collector be connected to ic chip together ₄3 pin, IC ₄The B point of 6 pin sending and receiving light control circuits, IC ₄7 pin, 5 pin shunt capacitance C ₁₅Again through capacitor C ₁₈Meet loudspeaker Y, IC ₄8 foot meridian capacitor C ₁₄Be connected to the C point of emission control circuit.

The utility model has the advantages that on the basis of existing luminous indication, in its control circuit, set up sounding control system with phonetic function, common luminous indication is become both have luminous deixis, simultaneously can under case of emergency, in luminous indication, dredge the crowd again by voice broadcast service.Thereby effectively avoided generation, guaranteed the safety of public place because of the unnecessary personnel casualty accidents that causes in panic.Have simple in structure, stable performance, low cost of manufacture such as is easy to apply at advantage.

Below in conjunction with accompanying drawing the utility model is illustrated:

Fig. 1 is luminous indication control principle figure;

Fig. 2 is automatic speech control principle figure;

Fig. 3 is Fig. 1, Fig. 2 block diagram;

Fig. 4 is main body layout structure figure.

As shown in Figure 1: this circuit principle of work under normal circumstances is: 220 volts of alternating voltages of civil power are through commutation diode D ₁-D ₅, resistance R ₁, filter capacitor C ₁, three terminal regulator 7808 transfers DC voltage to.Accumulator BT is through switching diode D simultaneously ₈, current-limiting resistance R ₆, K switch ₂And fuse F charging (reserve charging circuit).This circuit is by current-limiting resistance R ₅, R ₁₀, R ₁₁, light emitting diode D ₁₀, ic chip ₁13 pin form charge indicator.By switch triode Q ₁To Q ₄Current limliting diode D ₉, switching diode D ₆, D ₇, resistance R ₄, R ₅, R ₇, R ₈, R ₉, R ₁₃, R ₁₄, R ₁₆, R ₁₇, R ₁₈, R ₁₉And detection resistance R ₂, R ₃, bias diode D ₁₁, D ₁₂, filter capacitor C ₂, C ₃, C ₄, voltage regulation resistance R ₁₂, ic chip ₁Constitute testing circuit I, IC when charging normal ₁10 pin, 11 pin meet triode Q respectively ₄Collector and resistance R ₁₁, make IC ₁13 pin outputs level signals deliver to resistance R ₁₀, R ₅, make light emitting diode work luminous.IC meanwhile ₁5 pin, 4 pin connecting resistance R respectively ₁₄, R ₁₆, capacitor C ₄And diode D ₁₂Resistance R ₁₈, make IC ₁2 pin outputs level signals branches be clipped to diode D ₇And resistance R ₁₉, make switching tube Q ₂, Q ₃, Q ₄Conducting, Q at this moment ₁Not conducting forms accumulator and only charges, and does not connect the working condition of lamp sheet circuit.Lamp sheet circuit is by filter capacitor C ₅To C ₈, resistance R ₂₁, biasing resistor R ₂, current limliting diode D ₁₄, D ₁₅, generator triode Q ₅, amplification potentiometer W ₁, oscillator coil L ₁, L ₂, L ₃, lamp sheet U forms, and lamp sheet circuit power is directly provided by power circuit.

As shown in Figure 2: this power supply is by testing circuit II, electronic voicing circuit, and amplification output circuit and loudspeaker thereof constitute.Wherein testing circuit II is by limit charging resistance R ₃₀, R ₃₁, R ₃₉, trigger action triode Q ₆, Q ₇, switch triode Q ₁₀, switching diode D ₁₅, isolation resistance R ₃₂, charging timing capacitor C ₁₀, C ₁₁, charging timing resistor R ₃₅, the bias stabilization resistance R ₃₄, R ₄₀, time base ic chip ₂Form.The voice amplification output circuit is by the voice ic chips ₃, power discharging integrated block IC ₄, buffering amplifying triode Q ₈, switch triode Q ₉, delay capacitor C ₁₂, diode D ₁₆, resistance R ₄₂, oscillation resistance R ₄₁, current-limiting resistance R ₃₆, R ₃₇, R ₃₈, R ₄₃, R ₄₃, filter capacitor C ₁₄, C ₁₉, amplification is adjusted resistance R ₄₅, capacitor C ₁₆, resistance R ₄₆, capacitor C ₁₇, bootstrap capacitor C ₁₅, the commissure capacitor C ₁₈, loudspeaker Y, K switch ₄Form.The working power of testing circuit II and voice amplifying circuit is taken from the reserve charging circuit.Current-limiting resistance R under the normal condition ₃₀, R ₃₁, R ₃₉Obtain high level from power circuit, make Q ₆, Q ₇Work, IC ₂Do not work Q ₁₀End IC ₃No operating voltage is not worked, Q ₉Conducting is because IC ₃The no signal input, the voice amplifying circuit is not worked.

The utility model in extraordinary circumstances, the power circuit of its luminous indication control circuit is not worked, the diode D of testing circuit I ₆, D ₇, biasing resistor R ₄, R ₅, R ₇, R ₈, R ₉, R ₁₃, R ₁₄, R ₁₆, R ₁₇, R ₁₈, R ₁₉, detect resistance R ₂, R ₃, diode D ₁₁, D ₁₂, filter capacitor C ₂To C ₄, voltage regulation resistance R ₁₂, ic chip ₁2,3,4,5,12 pin no-voltages inputs, triode Q ₁-Q ₄Conducting, IC ₁13 pin have electricity to keep work, and by IC ₁2 pin output signals to diode D ₇, resistance R ₁₉, make triode Q ₂, Q ₃, Q ₄Keep conducting, provide power supply by accumulator to lamp sheet circuit, the lamp sheet is kept work.At this moment, the resistance R of testing circuit II ₃₀, R ₃₁, R ₃₉No input voltage, triode Q ₆, Q ₇Work, ic chip ₂By R ₃₅, C ₁₁Provide timing signal, Q ₁₀Conducting makes the voice ic chip ₃Get electric work, triode Q ₉End IC ₃Output signal through Q ₈Do to input to IC after buffering is amplified ₄3 pin, by IC ₄Signal amplification output is connected to loudspeaker Y finishes sound prompt function.

As shown in Figure 4: constitute by transformer 1, connection terminal 2, wire hole 3, wiring board 4, display screen 5, accumulator 6, support 7, loudspeaker 8, support 9, display screen switch 10, battery feed switch 11, loudspeaker switch 12, speaker volume by-pass cock 13, gauge tap assembly 14, Test Switchboard 15, speaker operation pilot lamp 16, power light 17, shell 18.

The utility model adopts the ic chip model to be: IC wherein ₁: 2M339, IC ₂: NE555, IC ₃: API8108, IC ₄: TBA820M.

Claims (3)

1, a kind of emergent sounding is induced indicator, form by the lamp sheet with by the emission control circuit that power circuit, testing circuit I, reserve charging circuit constitute, it is characterized in that: A, B, the C output terminal at emission control circuit also is connected to the automatic speech control circuit that is made of testing circuit II, electronic sound control circuit, amplification output circuit, loudspeaker respectively.

2, the indicator of inducing according to claim 1 is characterized in that: base ic chip when said testing circuit II comprises ₂, trigger action triode Q ₆, Q ₇, switch triode Q ₁₀, switching diode D ₁₅And peripheral resistance, electric capacity constitutes, wherein triode Q ₆Base stage through resistance R ₃₁, R ₃₀Sending and receiving light control circuit output terminals A point, Q ₆Collector one tunnel through resistance R ₃₂Meet switching diode D ₁₅, another road meets triode Q ₇Base stage, Q ₇Collector through resistance R ₃₄, R ₃₅, IC ₂4,8 pin, Q ₁₀Collector be connected to emission control circuit B point, ic chip ₂2 pin be connected to Q ₇Collector, IC ₂3 pin through resistance R ₃₉Meet triode Q ₁₀Base stage, Q ₁₀The B point of collector sending and receiving light control circuit, triode Q wherein ₆, Q ₇, Q ₁₀Emitter and IC ₂1 pin common ground one tunnel be connected to K switch ₄One end, another road are connected to electronic sound control road.

3, the indicator of inducing according to claim 1, it is characterized in that: said electronic voicing circuit and amplification output circuit comprise the voice ic chip ₃, power discharging integrated block IC ₄, amplifying triode Q ₈, switch triode Q ₉, diode D ₁₆And peripheral resistance capacitance, loudspeaker Y, K switch ₅Constitute, wherein ic chip ₃8 pin and 12 pin parallel resistance R ₄₁After connect K switch ₄An end, IC ₃7 pin through K switch ₅, resistance R ₃₆Meet triode Q ₈Base stage, Q ₈Collector through diode D ₁₆, resistance R ₄₂, IC ₃12 pin meet K ₄An end, Q ₈Emitter one tunnel through resistance R ₄₃, R ₄₄Meet Q ₉Base stage, the other end is through capacitor C ₁₃With triode Q ₉Collector be connected to ic chip together ₄3 pin, IC ₄The B point of 6 pin sending and receiving light control circuits, IC ₄7 pin, 5 pin shunt capacitance C ₁₅Again through capacitor C ₁₈Meet loudspeaker Y, IC ₄8 foot meridian capacitor C ₁₄Be connected to the C point of emission control circuit.