CN203982510U - Audible-visual annunciator - Google Patents

Audible-visual annunciator Download PDF

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Publication number
CN203982510U
CN203982510U CN201420410974.2U CN201420410974U CN203982510U CN 203982510 U CN203982510 U CN 203982510U CN 201420410974 U CN201420410974 U CN 201420410974U CN 203982510 U CN203982510 U CN 203982510U
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China
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circuit
triode
pin
output terminal
audible
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CN201420410974.2U
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Chinese (zh)
Inventor
柳天佑
袁超
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GC AUTOMATION Co Ltd
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GC AUTOMATION Co Ltd
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Abstract

The utility model discloses audible-visual annunciator, relate to a kind of warning device; This audible-visual annunciator power circuit, described power circuit is for being transformed into the alternating current of 36 ~ 48V in the direct current of 12V, and described power circuit comprises successively connected EMI filtering circuit, bridge rectifier circuit, filter circuit of pressure-stabilizing and step-down filtering circuit; Also comprise signal control circuit; Also comprise sound-driving circuit, the input end of described sound-driving circuit is connected with the output terminal of signal control circuit, and the output terminal of described sound-driving circuit is connected to the piezoelectric speaker for acoustic alarm; Also comprise light drive circuit, the input end of described light drive circuit is connected with the output terminal of signal control circuit, and the output terminal of described light drive circuit is connected to the LED luminotron of reporting to the police for light.The utlity model has high brightness flash of light, loud audio alarm function, and circuit structure is simply low with low.

Description

Audible-visual annunciator
Technical field
The utility model relates to a kind of warning device, relates in particular to a kind of acoustic-optic alarm.
Background technology
Audible-visual annunciator is a kind of warning device in order to meet the particular/special requirement of client to warning loudness and installation site and design, and it can send sound, two kinds of alarm signals of light simultaneously.When production scene has an accident or when the emergency condition such as fire, detector senses that corresponding signal being delivered to audible-visual annunciator after abnormal conditions starts sound light alarming circuit, sends sound and visual alarm, completes warning object.Audible-visual annunciator is widely used in the industries such as Ferrous Metallurgy, telecommunications steel tower, hoisting machinery, engineering machinery, port and pier, communications and transportation, wind-power electricity generation and foreign-going ship; It is a core product in industrial warning system.There is circuit structure complexity in traditional sound and light alarm circuit, wiring is complicated, and static noise is large, and chimes of doom is little, the low and high in cost of production problem of flash luminance.
Utility model content
The purpose of this utility model is to propose audible-visual annunciator in order to address the above problem; This audible-visual annunciator has high brightness flash of light, loud audio alarm function, and circuit structure is simply low with low.
The technical solution of the utility model is as follows:
The utility model is audible-visual annunciator:
Comprise power circuit, described power circuit is for being transformed into the alternating current of 36 ~ 48V in the direct current of 12V, and described power circuit comprises successively connected EMI filtering circuit, bridge rectifier circuit, filter circuit of pressure-stabilizing and step-down filtering circuit;
Also comprise signal control circuit, the input end of described signal control circuit is connected to control that other equipment send here and starts switching value signal L1 and the L2 of described audible-visual annunciator, described signal control circuit comprises photoelectrical coupler OTP2, signal L1 is connected with the 4th pin of photoelectrical coupler OTP2, the output terminal of power circuit is also connected with the 4th pin of photoelectrical coupler OTP2 after diode D7, the negative electrode of described diode D7 is connected with photoelectrical coupler OTP2, signal L2 is connected with the 1st pin of photoelectrical coupler OTP2 after resistance R 37, the 2nd pin ground connection of photoelectrical coupler OTP2, described signal control circuit also comprises connection terminal JP1, the 4th pin of connection terminal JP1 is connected with the 3rd pin of photoelectrical coupler OTP2, the 5th pin ground connection of connection terminal JP1, the 1st pin, the 2nd pin of connection terminal JP1 are connected with the base stage of triode Q1 through resistance R 23 after connecing altogether with the 3rd pin, the base stage of triode Q1 is ground connection after resistance R 24, and the base stage of triode Q1 is also connected with capacitor C 22 through resistance R 24, and the other end of capacitor C 22 is connected with the collector of triode Q1, the collector of triode Q1 is also connected with the 6th pin of connection terminal JP1, also ground connection after capacitor C 13 of the 6th pin of connection terminal JP1, the 6th pin of connection terminal JP1 is connected with the base stage of triode Q6 after resistance R 25, the grounded emitter of triode Q6, and the collector of triode Q6 is connected with the anode of diode D10, and the negative electrode of diode D10 is connected with the transmitting collection of triode Q1, between the transmitting collection of the collector of triode Q6 and triode Q1, be connected with the coil of relay K 1, the transmitting collection of described triode Q1 is connected with the output terminal of power circuit, the contact of relay K 1 is normally opened contact, and this one end, contact is connected with the output terminal of power circuit, and the other end is as the output terminal of contact signal,
Also comprise sound-driving circuit, the input end of described sound-driving circuit is connected with the contact signal output terminal of relay K 1; The output terminal of described sound-driving circuit is connected to the piezoelectric speaker for acoustic alarm;
Also comprise light drive circuit, the input end of described light drive circuit is connected with the contact signal output terminal of relay K 1; The output terminal of described light drive circuit is connected to the LED luminotron of reporting to the police for light.
Further, described audible-visual annunciator also comprises and is used to indicate the indicator light circuit whether described audible-visual annunciator switches on, described indicator light circuit is made up of resistance R 21 and light emitting diode D12, the output terminal of described power circuit is connected with the anode of diode D12 after resistance R 21, the cathode ground connection of described diode D12.
Further, the model of described photoelectrical coupler OTP2 is PS2501.
Further, the model of described triode Q1 is 2N4403, and the model of described triode Q6 is 9013.
Further, the model of described relay K 1 is G6S-2.
The beneficial effects of the utility model:
1. this audible-visual annunciator uses piezoelectric speaker to carry out acoustic alarm, thereby has the warning function of loud audio frequency; Use LED luminotron to carry out light warning, thereby there is the warning function of high brightness flash of light; Simple in structure and low of this sound and light alarm circuit is low.
2. most of audible-visual annunciator is in the market the type of powering alarm, and, to alarm energising, alarm just occurs acoustic luminous, no power, and alarm is just not acoustic luminous, in actual use, just needs the signal of control end to have larger current load ability.This audible-visual annunciator does not need control end to have larger current load ability.
Brief description of the drawings
Fig. 1 is module map of the present utility model;
Fig. 2 is the module map of power circuit;
Fig. 3 is the circuit diagram of power circuit;
Fig. 4 is the circuit diagram of signal control circuit;
Fig. 5 is the circuit diagram of sound-driving circuit and light drive circuit;
Fig. 6 is the circuit diagram of indicator light circuit.
Embodiment
Now be described further the utility model with accompanying drawing in order better to illustrate in conjunction with the embodiments.
As shown in Figure 1, the utility model is audible-visual annunciator:
Comprise power circuit 1, described power circuit 1 is for being transformed into the alternating current of 36 ~ 48V in the direct current of 12V;
Also comprise signal control circuit 2, the control that signal control circuit 2 other equipment of reception are sent here starts switching value signal L1 and the L2 of described audible-visual annunciator;
Also comprise sound-driving circuit 3, the input termination of described sound-driving circuit 3 is connected with the output terminal of signal control circuit 2, and the output terminal of described sound-driving circuit 3 is connected to the piezoelectric speaker 5 for acoustic alarm;
Also comprise light drive circuit 4, the input end of described light drive circuit 4 is connected with the output terminal of signal control circuit 2, and the output terminal of described light drive circuit 4 is connected to the LED luminotron 6 of reporting to the police for light.
More preferably, described audible-visual annunciator also comprises and is used to indicate the indicator light circuit 7 whether described audible-visual annunciator switches on, and the input end of described indicator light circuit 7 is connected with the output terminal of power circuit 1.
As shown in Figure 2, described power circuit 1 comprises successively connected EMI filtering circuit 11, bridge rectifier circuit 12, filter circuit of pressure-stabilizing 12 and step-down filtering circuit 14.
Be illustrated in figure 3 the circuit diagram of power circuit 1.From the alternating current of the 1st pin of connection terminal J1 and 36 ~ 48V of the 2nd pin input, by common mode inductance L2, by the bridge rectifier circuit of diode D14, diode D16, diode D17 and diode D18 composition, the stabilivolt U1 that is DPA423 by model, capacitor C 1 and C16, by the direct current of final output 12V after transformer, VCC is 12V.
Fig. 4 is the circuit diagram of signal control circuit 2, the input end of described signal control circuit 2 is connected to control that other equipment send here and starts switching value signal L1 and the L2 of described audible-visual annunciator, described signal control circuit 2 comprises that model is the photoelectrical coupler OTP2 of PS2501, signal L1 is connected with the 4th pin of photoelectrical coupler OTP2, the output terminal of power circuit 1 is also connected with the 4th pin of photoelectrical coupler OTP2 after diode D7, the negative electrode of described diode D7 is connected with photoelectrical coupler OTP2, signal L2 is connected with the 1st pin of photoelectrical coupler OTP2 after resistance R 37, the 2nd pin ground connection of photoelectrical coupler OTP2, described signal control circuit 2 also comprises connection terminal JP1, the 4th pin of connection terminal JP1 is connected with the 3rd pin of photoelectrical coupler OTP2, the 5th pin ground connection of connection terminal JP1, the base stage of the 1st pin of connection terminal JP1, the triode Q1 that the 2nd pin is 2N4403 through resistance R 23 with model after connecing altogether with the 3rd pin is connected, the base stage of triode Q1 is ground connection after resistance R 24, and the base stage of triode Q1 is also connected with capacitor C 22 through resistance R 24, and the other end of capacitor C 22 is connected with the collector of triode Q1, the collector of triode Q1 is also connected with the 6th pin of connection terminal JP1, also ground connection after capacitor C 13 of the 6th pin of connection terminal JP1, the base stage of the triode Q6 that the 6th pin of connection terminal JP1 is 9013 with model after resistance R 25 is connected, the grounded emitter of triode Q6, the collector of triode Q6 is connected with the anode of diode D10, and the negative electrode of diode D10 is connected with the transmitting collection of triode Q1, between the transmitting collection of the collector of triode Q6 and triode Q1, be connected with the coil of relay K 1, the transmitting collection of described triode Q1 is connected with the output terminal of power circuit, the contact of relay K 1 is normally opened contact, and this one end, contact is connected with the output terminal of power circuit, and the other end is as the output terminal of contact signal.
L1 and L2 are passive node signals, can select normally open or normally off by the wire jumper of connection terminal JP1, if selected normally off, L1 and L2 must be in normally offs, once disconnect, can make relay K 1 obtain in certain time-delay electric, thereby sound-driving circuit 3 and light drive circuit 4 are switched on during this period, drive respectively piezoelectric speaker 5 and LED luminotron 6 to carry out sound and light alarm, delay time disconnects automatically to rear relay K1, makes piezoelectric speaker 5 and LED luminotron 6 correspondingly stop sound and light alarm; Vice versa.
Fig. 5 is the circuit diagram of sound-driving circuit 3 and light drive circuit 4; In circuit diagram, A point obtains after the energising of described relay K 1, and piezoelectric speaker 5 and LED luminotron 6 can carry out sound and light alarm.
Fig. 6 is the circuit diagram of indicator light circuit 7, described indicator light circuit 7 is made up of resistance R 21 and light emitting diode D12, and the output terminal of described power circuit is connected with the anode of diode D12 after resistance R 21, the cathode ground connection of described diode D12, after energising, diode D12 is luminous, and instruction has electricity.
When work, give after power circuit 1 energising, power circuit 1 is exported the direct current of 12V to indicator light circuit 7, and the luminous expression of diode D12 is switched on; Simultaneously, power circuit 1 is exported the direct current of 12V to signal control circuit 2, the signal L1 that external unit transports and L2 are used for the break-make of pilot relay K1, thereby whether L1 and L2 can control signal control circuit 2 power to sound-driving circuit 3 and light drive circuit 4, finally control whether start piezoelectric speaker 5 and whether LED luminotron 6 carries out sound and light alarm.

Claims (5)

1. audible-visual annunciator, is characterized in that:
Comprise power circuit, described power circuit is for being transformed into the alternating current of 36 ~ 48V in the direct current of 12V, and described power circuit comprises successively connected EMI filtering circuit, bridge rectifier circuit, filter circuit of pressure-stabilizing and step-down filtering circuit;
Also comprise signal control circuit, the input end of described signal control circuit is connected to control that other equipment send here and starts switching value signal L1 and the L2 of described audible-visual annunciator, described signal control circuit comprises photoelectrical coupler OTP2, signal L1 is connected with the 4th pin of photoelectrical coupler OTP2, the output terminal of power circuit is also connected with the 4th pin of photoelectrical coupler OTP2 after diode D7, the negative electrode of described diode D7 is connected with photoelectrical coupler OTP2, signal L2 is connected with the 1st pin of photoelectrical coupler OTP2 after resistance R 37, the 2nd pin ground connection of photoelectrical coupler OTP2, described signal control circuit also comprises connection terminal JP1, the 4th pin of connection terminal JP1 is connected with the 3rd pin of photoelectrical coupler OTP2, the 5th pin ground connection of connection terminal JP1, the 1st pin, the 2nd pin of connection terminal JP1 are connected with the base stage of triode Q1 through resistance R 23 after connecing altogether with the 3rd pin, the base stage of triode Q1 is ground connection after resistance R 24, and the base stage of triode Q1 is also connected with capacitor C 22 through resistance R 24, and the other end of capacitor C 22 is connected with the collector of triode Q1, the collector of triode Q1 is also connected with the 6th pin of connection terminal JP1, also ground connection after capacitor C 13 of the 6th pin of connection terminal JP1, the 6th pin of connection terminal JP1 is connected with the base stage of triode Q6 after resistance R 25, the grounded emitter of triode Q6, and the collector of triode Q6 is connected with the anode of diode D10, and the negative electrode of diode D10 is connected with the transmitting collection of triode Q1, between the transmitting collection of the collector of triode Q6 and triode Q1, be connected with the coil of relay K 1, the transmitting collection of described triode Q1 is connected with the output terminal of power circuit, the contact of relay K 1 is normally opened contact, and this one end, contact is connected with the output terminal of power circuit, and the other end is as the output terminal of contact signal,
Also comprise sound-driving circuit, the input end of described sound-driving circuit is connected with the contact signal output terminal of relay K 1; The output terminal of described sound-driving circuit is connected to the piezoelectric speaker for acoustic alarm;
Also comprise light drive circuit, the input end of described light drive circuit is connected with the contact signal output terminal of relay K 1; The output terminal of described light drive circuit is connected to the LED luminotron of reporting to the police for light.
2. audible-visual annunciator as claimed in claim 1, it is characterized in that: also comprise and be used to indicate the indicator light circuit whether described audible-visual annunciator switches on, described indicator light circuit is made up of resistance R 21 and light emitting diode D12, the output terminal of described power circuit is connected with the anode of diode D12 after resistance R 21, the cathode ground connection of described diode D12.
3. audible-visual annunciator as claimed in claim 1, is characterized in that: the model of described photoelectrical coupler OTP2 is PS2501.
4. audible-visual annunciator as claimed in claim 1, is characterized in that: the model of described triode Q1 is 2N4403, and the model of described triode Q6 is 9013.
5. audible-visual annunciator as claimed in claim 1, is characterized in that: the model of described relay K 1 is G6S-2.
CN201420410974.2U 2014-07-24 2014-07-24 Audible-visual annunciator Active CN203982510U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420410974.2U CN203982510U (en) 2014-07-24 2014-07-24 Audible-visual annunciator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420410974.2U CN203982510U (en) 2014-07-24 2014-07-24 Audible-visual annunciator

Publications (1)

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CN203982510U true CN203982510U (en) 2014-12-03

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CN201420410974.2U Active CN203982510U (en) 2014-07-24 2014-07-24 Audible-visual annunciator

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104966377A (en) * 2015-06-12 2015-10-07 国家电网公司 Live-line region LED alarm device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104966377A (en) * 2015-06-12 2015-10-07 国家电网公司 Live-line region LED alarm device

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