CN202033864U

CN202033864U - Smoke alarm with voice reminding function

Info

Publication number: CN202033864U
Application number: CN2011201128748U
Authority: CN
Inventors: 胡凯; 杨乐; 王继东; 程华彬
Original assignee: Nanjing University of Information Science and Technology
Current assignee: Nanjing University of Information Science and Technology
Priority date: 2011-04-18
Filing date: 2011-04-18
Publication date: 2011-11-09
Anticipated expiration: 2021-04-18

Abstract

The utility model discloses a smoke alarm with a voice reminding function. The smoke alarm comprises a smoke sensor, a single chip microcomputer, a power source, a voice storage chip and a loudspeaker, wherein the smoke sensor is connected with an input end of the single chip microcomputer, the smoke sensor is used for detecting outside smoke and transmitting detected signals to the single chip microcomputer for processing, an output end of the single chip microcomputer is connected with the loudspeaker through the voice storage chip so as to output the corresponding alarm signals through the loudspeaker, and the power supply is used for supplying power for all the devices. The smoke alarm disclosed by the utility model has the voice reminding function, is more humanized, can be used for reminding people of escaping to avoid the generation of disasters, and thus, the lives and property safety of the masses can be better protected.

Description

A kind of smoke alarm that has voice reminder

Technical field

The utility model belongs to the electronic monitoring detection range, particularly a kind of smoke alarm that has voice reminder.

Background technology

A lot of public arenas all are equipped with smoke alarm, report to the police but existing smoke alarm only can produce simple ticktack after detecting smog.

Raising along with people's material and culture level, existing simple smoke alarm can not satisfy people's demand, for example, in some Administrative Area or hazardous location, when the leader who likes smoking or colleague light cigarette,, tend to produce awkward scene if remind by the staff, if reminded and please don't be smoked by equipment this moment, just can not produce awkward scene.

After the time that smog produces has arrived certain time limit or concentration, fire has then probably taken place, need to produce and report to the police, reminds people takes further measures.At this moment, people have had higher requirement for the identifying purpose of reporting to the police, and simple ticktack chimes of doom is not easy to understand, and in particular cases can cause unnecessary fear on the contrary.

The utility model content

The technical matters that the utility model solved is to provide a kind of smoke alarm that has voice reminder, makes alarm hommization more.

For solving the problems of the technologies described above the smoke alarm that the utility model has voice reminder, comprise smoke transducer, single-chip microcomputer, power supply, voice storage chip and loudspeaker, smoke transducer is connected with the input end of single-chip microcomputer, smoke transducer detects extraneous smog and detected signal is transferred to single-chip microcomputer and handles, the output terminal of single-chip microcomputer is connected with loudspeaker by the voice storage chip, corresponding alerting signal is exported by loudspeaker, and power supply is above-mentioned each device power supply.

Further, the utility model has in the smoke alarm of voice reminder, single-chip microcomputer comprises data conversion module, concentration threshold comparison module, the time threshold comparison module harmony sound control molding piece that connects successively, wherein the input end of data conversion module is connected with smoke transducer, and the output terminal of sound control module is connected with the voice storage chip.

Further, the smoke alarm that the utility model has voice reminder also comprises the voice selecting button, and this voice selecting button is connected with single-chip microcomputer, and control single chip computer enters different mode of operations.

The utility model compared with prior art, its remarkable advantage is: 1) alarm of the present utility model has voice prompting function, the one, be more readily understood, the 2nd, can reminds people how to escape the security of the lives and property that like this can the better protection people; 2) be applicable to special occasions, smoking is prohibited here in the hommization prompting, avoided the generation of a lot of awkward things; 3) can be set at the caution of smoking caution or fire as required.

Below in conjunction with accompanying drawing the utility model is described in further detail.

Description of drawings

Fig. 1 has the smoke alarm user mode figure of voice reminder for the utility model.

Fig. 2 has the smoke alarm fundamental diagram of voice reminder for the utility model.

Fig. 3 has the smoke alarm circuit theory diagrams of voice reminder for the utility model.

Fig. 4 has the workflow diagram of the smoke alarm of voice reminder for the utility model.

The implication of number in the figure representative is: 1, smoke alarm; 2, smog produces the source.

Embodiment

As Fig. 1, shown in Figure 3, the smoke alarm that has voice reminder of the present utility model comprises smoke transducer, single-chip microcomputer, power supply, voice storage chip and loudspeaker, smoke transducer is connected with the input end of single-chip microcomputer, smoke transducer detects extraneous smog and detected signal is transferred to single-chip microcomputer and handles, the output terminal of single-chip microcomputer is connected with loudspeaker by the voice storage chip, corresponding alerting signal is exported by loudspeaker, and power supply is above-mentioned each device power supply.

Single-chip microcomputer comprises data conversion module, concentration threshold comparison module, the time threshold comparison module harmony sound control molding piece that connects successively, wherein the input end of data conversion module is connected with smoke transducer, and the output terminal of sound control module is connected with the voice storage chip.Smoke alarm of the present utility model also comprises the voice selecting button, and this button is connected with single-chip microcomputer, and control single chip computer enters different mode of operations.

During use, the smoke alarm that has voice reminder is placed on the room that needs are monitored, sets mode of operation.If have the smoking prompting function, so as the people in the room during smoking, smoke transducer on the alarm transfers smokescope to electric signal, pass to single-chip microcomputer, the single-chip microcomputer analyzing and processing data is reported to the police if desired, promptly pass to the audio alert module, the audio alert module starts inner corresponding warning circuit, and No smoking in this area etc. for output audio alert signal or prompting, disappears or by reset key, on ﹠ off switch up to smog.If when presetting mode of operation, do not have the smoking prompting function, so directly judge smokescope and time, carry out the audio alert of fire when reaching condition, the lang sound of going forward side by side escape prompting.

As shown in Figure 2, the utility model selects for use smoke transducer as sensitive element, utilize voice alarm circuit, developed the voice smoke alarm that can be used in family or public place, whole design is made up of 5 parts: smoke transducer, power supply, button, single-chip microcomputer, audio alert module.

As shown in Figure 4, by button entire equipment is provided with earlier before the work, sets mode of operation, set and whether use the smoking warning function.During work, smoke transducer is to transfer non-electrical signals such as smog to electric signal, and electric signal is passed to single-chip microcomputer, by the single-chip microcomputer analyzing and processing, obtains concentration data C, and carry out work according to the mode of operation that sets in advance this moment.If have the smoking warning function, compare with preset threshold value C1 so, need to judge whether the smog of warning.As C＞C1, in order to prevent noise or too sensitive, judge at first so further whether the time that continues reaches default smog and determine that time T 1(established for 0.5 second temporarily), adopt the smoking warning function if reach the back, carry out voice reminder, remind that no smoking, be reduced to below the C1 and the duration surpasses T2, stop smoking and report to the police up to concentration.Simultaneously concentration C constantly with high threshold C2 relatively, if C＞C2 is judged to be naked light so, carry out fire alarm and escape is pointed out.Perhaps the 1 lasting time of concentration C determines that above fire time T 2(established 2 minutes temporarily), also be judged to be naked light, the audio alert module starts corresponding warning circuit, and output audio alert and escape are pointed out, up to the smog disappearance or by reset key, on ﹠ off switch.

Do not possess the smoking warning function if be preset as, so directly record concentration C, whether judge C subsequently greater than C2, perhaps whether the time greater than C1 has surpassed T2, if above two conditions satisfy one, promptly carries out fire alarm.The audio alert module starts corresponding warning circuit, and output audio alert and escape prompting are up to the smog disappearance or by reset key, on ﹠ off switch.

The utility model utilization singlechip technology, sensor technology design single-chip microcomputer smog warning system, and add the audio alert module first, single-chip microcomputer conduct bridge wherein, contact sensor and voice alarm circuit equipment.During use, can whether have the smoking prompting function by button settings.As required, can voice suggestion no smoking, possibility that also can the on-the-spot fire of voice suggestion, and to people's prompting of escaping.

Claims

1. smoke alarm that has voice reminder, it is characterized in that, comprise smoke transducer, single-chip microcomputer, power supply, voice storage chip and loudspeaker, described smoke transducer is connected with the input end of described single-chip microcomputer, smoke transducer detects extraneous smog and detected signal is transferred to single-chip microcomputer and handles, the output terminal of single-chip microcomputer is connected with loudspeaker by the voice storage chip, and corresponding alerting signal is exported by loudspeaker, and described power supply is above-mentioned each device power supply.

2. the smoke alarm that has voice reminder according to claim 1, it is characterized in that, described single-chip microcomputer comprises data conversion module, concentration threshold comparison module, the time threshold comparison module harmony sound control molding piece that connects successively, wherein the input end of data conversion module is connected with smoke transducer, and the output terminal of sound control module is connected with the voice storage chip.

3. the smoke alarm that has voice reminder according to claim 1 and 2 is characterized in that, also comprises the voice selecting button, and this voice selecting button is connected with single-chip microcomputer, and control single chip computer enters different mode of operations.