CN201266416Y - Fire voice alarm - Google Patents
Fire voice alarm Download PDFInfo
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- CN201266416Y CN201266416Y CNU2008201231037U CN200820123103U CN201266416Y CN 201266416 Y CN201266416 Y CN 201266416Y CN U2008201231037 U CNU2008201231037 U CN U2008201231037U CN 200820123103 U CN200820123103 U CN 200820123103U CN 201266416 Y CN201266416 Y CN 201266416Y
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Abstract
The utility model relates to a fire voice alarm, comprising a power supply, a sensor for detecting fire, a control circuit and a voice alarm circuit, wherein, the output end of the sensor is connected with the control end of the control circuit, and the power supply is connected with the power supply input end of the voice alarm unit by the control circuit. The control circuit can be an electronic switch controlled by the sensor, and the power supply is connected with the power supply input end of the voice alarm unit by the electronic switch in the case. The control circuit or the electronic switch is in the normally open state under the normal environment and is only converted to the closed state when a fire detection signal of the sensor is received so as to allow the power supply to supply power to the voice alarm unit, thus saving power consumption.
Description
Technical field
The utility model relates to fire-alarm, the particularly a kind of fire voice alarm that can save electric power.
Background technology
The fire of buildings is a threat greatly to people's life safety, particularly in skyscraper and commercial building, because the building object height, floor area of building is big, building structure is complicated, personnel are many in the buildings, fire often brings enormous economic loss and personal injury.Existing automatic fire alarm system, complex structure, price height, monitoring difficulty though alarm bell and light prompt are arranged, mostly are installed in the pulpit, and need to be equipped with professional operating personnel.When fire takes place,, be difficult to the situation of control crowd confusion because spiritual high-pressure tends to occur the ineffective or commander's error of commander.In this case, even if disposed this automatic fire alarm system, can not bring into play its due effect effectively.
Chinese patent file CN101079175A has disclosed and a kind ofly can send voice control command when fire takes place, automatically dredge the crowd, command all kinds of personnel to implement the fire-fighting fire extinguishing operation without any confusion, thereby significantly reduce the voice fire-alarm of the harm of fire.
This voice fire-alarm comprises single-chip microcomputer and the sensor detector that is connected with this single-chip microcomputer respectively, hummer, luminotron warning indicating circuit, audio amplification output circuit and speech recording and reproducing device, described speech recording and reproducing device comprises microphone, by the concrete voice indication of microphone records, described speech recording and reproducing device also comprises the gauge tap that the voice recording and playback ic that connects microphone and one are controlled this microphone speech recording and reproducing, and the output terminal of described voice recording and playback ic and described gauge tap are connected to described single-chip microcomputer respectively.
When fire took place, the sensor detector output detection signal amplified and after single-chip microcomputer handles, makes the speech recording and reproducing device export the voice signal of prerecording via amplifying circuit, then by after the power amplification, and the voice of recording via loudspeaker plays.Therefore when fire takes place, can send voice control command, dredge the crowd automatically, command all kinds of personnel to implement the fire-fighting fire extinguishing operation without any confusion, thereby significantly reduce the harm of fire.
Yet, because above-mentioned voice fire-alarm adopted single-chip microcomputer, speech recording and reproducing device, and powers up for a long time, therefore cost height not only, but also because of power consumption needs greatly often to change battery, thereby strengthened maintenance cost.
Summary of the invention
The purpose of this utility model provides a kind of fire voice alarm of low-power consumption, thereby can work long hours, thereby provides possibility for reducing maintenance cost.That is to say that the utility model has solved big, the technical matters that can not long-term work of the alarm power consumption that above-mentioned prior art exists.
The fire voice alarm that the utility model is used to solve the problems of the technologies described above comprises power supply, detects the sensor of the condition of a fire, control circuit, and voice alarm circuit, and wherein: the output terminal of sensor connects the control end of control circuit; And power supply connects the power input of audio alert unit via control circuit.
Described control circuit can be an electronic switch that is subjected to sensor control, and in the case, power supply connects the power input of audio alert unit by this electronic switch.
Control circuit or electronic switch are in normally open under home, just just convert closure state when receiving the fire detection signal of sensor to, so that allow power supply to the power supply of audio alert unit, thereby can save electrical source consumption.
In another embodiment of the present utility model, described audio alert unit comprises: the speech chip of internal memory alarm voice, amplification is from the audio-frequency power amplifier of the voice signal of described speech chip output, and the loudspeaker that the sound signal of audio-frequency power amplifier output is converted to sound;
Wherein, the voice signal output terminal of speech chip connects the signal input part of audio-frequency power amplifier, and the signal output part of audio-frequency power amplifier connects loudspeaker, and power supply connects the power input of speech chip and audio-frequency power amplifier via control circuit.
In another embodiment of the present utility model, described audio alert unit comprises: the voice memory circuit of storaged voice; Improve the voice correcting circuit of the speech quality of voice memory circuit; The audio-frequency power amplifier of the voice signal that amplification tonequality has been improved; And the loudspeaker that the sound signal of audio-frequency power amplifier output is converted to sound;
Wherein, the voice signal output terminal of voice memory circuit connects the input of voice correcting circuit, and the output of voice correcting circuit connects the signal input part of audio-frequency power amplifier, and the signal output part of audio-frequency power amplifier connects loudspeaker.
Elect selection as, described audio alert unit further comprises visual alarm and/or hummer, so that carry out conventional sound, light warning.
The sensor can be one of sense smoke sensor, temperature-sensitive sensor, photosensitive sensor, inflammable gas fire sensor or its combination.
Control circuit of the present utility model can comprise prime amplifier and the semiconductor switch of an amplification from the electric signal of sensor, the controlled end of this semiconductor switch connects the output of prime amplifier, and two switch end points connects the power end of power supply and audio alert unit respectively.
Wherein, described semiconductor switch is switching transistor or controllable silicon.
On the other hand, control circuit of the present utility model can also be a microcontroller.
In addition, fire voice alarm of the present utility model can utilize battery as power supply.
Of the present utility model have a following technique effect:
1, power consumption is low, makes alarm to work long hours, thereby has reduced the workload of changing battery;
2, than the prior art of using single-chip microcomputer, the utility model circuit structure is simple, and cost is low;
3, can when taking place, fire provide audio alert information, the reminds people safe escape.
Below in conjunction with accompanying drawing structure of the present utility model and principle of work are elaborated.
Description of drawings
Fig. 1 is the theory diagram of fire voice alarm of the present utility model;
Fig. 2 is the synoptic diagram of fire voice alarm first embodiment of the present utility model in the displayed map 1;
Fig. 3 is the synoptic diagram that shows fire voice alarm first embodiment of the present utility model.
Embodiment
The utility model reduces the power consumption of alarm based on following principle: at fire not between the emergence period, do not power to voice alarm circuit, take place constantly when detecting fire, power to voice alarm circuit immediately, that is to say, only ability is powered to voice alarm circuit when needs are reported to the police, thereby has reduced the consumption of battery power.
Fig. 1 has shown the basic structure of fire voice alarm of the present utility model, and as shown in the figure, fire voice alarm of the present utility model comprises: power supply 1, the sensor 2 of the detection condition of a fire, control circuit 3, and voice alarm circuit 4; Wherein, the output terminal of sensor 2 connects the control end of control circuit 3; Power supply 1 connects the power input of audio alert unit 4 via control circuit 3.
Above-mentioned control circuit 3 can be an electronic switch (not shown) that is subjected to sensor 2 controls, and power supply 1 connects the power input of audio alert unit 4 by this electronic switch.This electronic switch is in normally open, has only when receiving the fire detection signal of sensor 2, just converts closure state to, that is to say have only when breaking out of fire power supply 1 just by this electronic switch to 4 power supplies of audio alert unit.In case it is normal that the output signal of sensor 2 is recovered, then electronic switch also recovers normally open.
Fig. 2 has shown first embodiment of the present utility model, and in this embodiment, audio alert unit 4 can comprise: the speech chip 41 of internal memory alarm voice; Amplify the audio-frequency power amplifier 42 of the voice signal of speech chip 41 outputs; And the loudspeaker 43 that the sound signal of audio-frequency power amplifier 42 outputs is converted to sound wave.Wherein, the voice signal output terminal of speech chip 41 connects the signal input part of audio-frequency power amplifier 42, the signal output part of audio-frequency power amplifier 42 connects loudspeaker 43, and power supply 1 connects the power input of speech chip 41 and audio-frequency power amplifier 42 via control circuit (or electronic switch) 3.
When sensor 2 detected the fire generation, its detection signal was connected electronic switch, thereby power supply 1 is powered to audio alert unit 4 via electronic switch.At this moment, speech chip 41 output audio alert signals, this signal via audio-frequency power amplifier 42 power amplifications after, broadcast by loudspeaker,
Fig. 3 has shown second embodiment of the present utility model, and in this embodiment, audio alert unit 4 can comprise; The voice memory circuit 411 of storaged voice; Improve the voice correcting circuit 412 of the speech quality of voice memory circuit 411 outputs; The audio-frequency power amplifier 42 of the voice signal that amplification tonequality has been improved; And the loudspeaker 43 that the sound signal of audio-frequency power amplifier 42 outputs is converted to sound wave.Wherein, the voice signal output terminal of voice memory circuit 411 connects the input of voice correcting circuit 412, and the output of voice correcting circuit 412 connects the signal input part of audio-frequency power amplifier 42, and the signal output part of audio-frequency power amplifier 42 connects loudspeaker 43.
In addition, audio alert of the present utility model unit 4 can also comprise conventional visual alarm and squealer (not shown).Visual alarm can be a light emitting diode, and squealer can be a hummer.
In addition, sensor 2 of the present utility model can be sense smoke sensor, temperature-sensitive sensor, photosensitive sensor, inflammable gas fire sensor or its combination.
In an optional example, control circuit 3 can comprise prime amplifier (not shown) and the semiconductor switch (not shown) of an amplification from the electric signal of sensor 2, the controlled end of this semiconductor switch connects the output of prime amplifier, and two switch end points connects the power end of power supply 1 and audio alert unit 4 respectively.Semiconductor switch can be selected switching transistor or controllable silicon for use.
In another available embodiment, control circuit 3 can be one can control the microcontroller of power supply power supply or the device with computing function.The output state of the uninterrupted monitoring sensor 2 of this microcontroller, when output abnormality takes place because of fire in sensor 2, the power supply service duct of this microcontroller energized 1 and audio alert unit 4, thus make the audio alert unit send alarm sound.
From the above description as can be seen, during breaking out of fire not, only to control module 3 and sensor 2 power supplies, its working current is a microampere order to power supply 1.Although the working current of audio alert of the present utility model unit 4 can reach hundreds of milliamperes, when this only occurs over just the fire appearance.Therefore, fire voice alarm of the present utility model can work long hours, and when adopting battery as power supply 1, can reduce the workload of changing battery greatly like this.
Although above the utility model is had been described in detail, the utility model is not limited thereto, and those skilled in the art of the present technique can carry out various modifications according to principle of the present utility model.Therefore, all modifications of being done according to the utility model principle all should be understood to fall into protection domain of the present utility model.
Claims (10)
1, a kind of fire voice alarm comprises power supply (1), detects the sensor (2) of the condition of a fire, and control circuit (3), and voice alarm circuit (4) is characterized in that:
The output terminal of sensor (2) connects the control end of control circuit (3); And
Power supply (1) connects the power input of audio alert unit (4) via control circuit (3).
2, fire voice alarm according to claim 1 is characterized in that described control circuit (3) is an electronic switch that is subjected to sensor (2) control, and power supply (1) connects the power input of audio alert unit (4) by this electronic switch.
3, fire voice alarm according to claim 1, it is characterized in that described audio alert unit (4) comprising: the speech chip of internal memory alarm voice (41), amplification is from the audio-frequency power amplifier (42) of the voice signal of speech chip (41) output, and the loudspeaker (43) that the sound signal of audio-frequency power amplifier (42) output is converted to sound;
Wherein, the voice signal output terminal of speech chip (41) connects the signal input part of audio-frequency power amplifier (42), the signal output part of audio-frequency power amplifier (42) connects loudspeaker (43), and power supply (1) connects the power input of speech chip (41) and audio-frequency power amplifier (42) via control circuit (3).
4, fire voice alarm according to claim 1 is characterized in that audio alert unit (4) comprising: the voice memory circuit (411) of storaged voice; Improve the voice correcting circuit (412) of the speech quality of voice memory circuit (411); The audio-frequency power amplifier (42) of the voice signal that amplification tonequality has been improved; And the loudspeaker (43) that the sound signal of audio-frequency power amplifier (42) output is converted to sound;
Wherein, the voice signal output terminal of voice memory circuit (411) connects the input of voice correcting circuits (412), the output of voice correcting circuit (412) connects the signal input part of audio-frequency power amplifier (42), and the signal output part of audio-frequency power amplifier (42) connects loudspeaker (43).
5,, it is characterized in that described audio alert unit (4) also comprises visual alarm and/or hummer according to claim 3 or 4 described fire voice alarms.
6, fire voice alarm according to claim 1 is characterized in that sensor (2) is one of sense smoke sensor, temperature-sensitive sensor, photosensitive sensor, inflammable gas fire sensor or its combination.
7, fire voice alarm according to claim 1, it is characterized in that control circuit (3) comprises prime amplifier and the semiconductor switch of an amplification from the electric signal of sensor (2), the controlled end of this semiconductor switch connects the output of prime amplifier, and two switch end points connects the power end of power supply (1) and audio alert unit (4) respectively.
8, fire voice alarm according to claim 7 is characterized in that described semiconductor switch is switching transistor or controllable silicon.
9, fire voice alarm according to claim 1 is characterized in that described control circuit (3) is a microcontroller.
10, fire voice alarm according to claim 1 is characterized in that described power supply (1) is a battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201231037U CN201266416Y (en) | 2008-10-15 | 2008-10-15 | Fire voice alarm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201231037U CN201266416Y (en) | 2008-10-15 | 2008-10-15 | Fire voice alarm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201266416Y true CN201266416Y (en) | 2009-07-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201231037U Expired - Fee Related CN201266416Y (en) | 2008-10-15 | 2008-10-15 | Fire voice alarm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201266416Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103985208A (en) * | 2014-05-22 | 2014-08-13 | 北京矿冶研究总院 | Device and method for transmitting monitoring information through light-operated triggering |
| CN105957317A (en) * | 2016-07-18 | 2016-09-21 | 李伟华 | Alarm and alarm system |
| CN108877128A (en) * | 2018-06-26 | 2018-11-23 | 北京和协导航科技有限公司 | A kind of forest fire protection alarm system based on radio-positioning |
| CN110415482A (en) * | 2019-08-29 | 2019-11-05 | 重庆金泓和瑞科技有限公司 | A kind of campus intelligent alarm work system |
-
2008
- 2008-10-15 CN CNU2008201231037U patent/CN201266416Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103985208A (en) * | 2014-05-22 | 2014-08-13 | 北京矿冶研究总院 | Device and method for transmitting monitoring information through light-operated triggering |
| CN103985208B (en) * | 2014-05-22 | 2016-09-21 | 北京矿冶研究总院 | Device and method for transmitting monitoring information through light-operated triggering |
| CN105957317A (en) * | 2016-07-18 | 2016-09-21 | 李伟华 | Alarm and alarm system |
| CN108877128A (en) * | 2018-06-26 | 2018-11-23 | 北京和协导航科技有限公司 | A kind of forest fire protection alarm system based on radio-positioning |
| CN110415482A (en) * | 2019-08-29 | 2019-11-05 | 重庆金泓和瑞科技有限公司 | A kind of campus intelligent alarm work system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090701 Termination date: 20101015 |