CN2179609Y - Thermal releasing-electricity many red infrared sensing voice alarm - Google Patents

Abstract

The utility model relates to a thermal releasing-electricity human body red infrared sensing voice alarm, which is composed of an optical lens aggregating system, a thermal releasing-electricity human body red infrared sensor, an operational amplification circuit, a voltage window comparison circuit, a speech digital combination circuit, a light alarm system, etc. A double-D trigger is connected between the thermal releasing-electricity human body red infrared sensor and the speech digital combination circuit. The thermal releasing-electricity human body red infrared sensing technology can be adopted to accurately judge whether or not some one approaches a dangerous site field, and the speech digital combination circuit can emit the safe alarm speech for the person who approaches the dangerous site field. The utility model has the advantages of low cost, convenient speech content transform, low error report rate, etc., and the installation location can not be limited by the field environment.

Description

Thermal releasing-electricity many red infrared sensing voice alarm

The utility model relates to a kind of phonic warning device, especially a kind of pyroelectricity human-body infrared sensing phonic warning device.

At present, the production operation place of industrial enterprise exists many potential hazards, unless you give your whole attention to it, will cause the injury of the person.Along with industrial continuous development, plant equipment, chemical substance, the expansion day by day of the range of application of energy source and power and new material and scale, the kind of this potential hazards and scope are also more and more widely and increase.In order to ensure in the production operation process safe, reduce and eliminate these danger, become the task of top priority of enterprise.Therefore, various name day various prohibitory sign figure, the warning notice figure that both pictures and texts are excellent, instruction flag figure etc. are widely adopted in the different places of each enterprise, have played certain security protection effect.But because this marking pattern is large in number and widely distributed, not easy to identify, and is subjected to the limitation of place environment, the installation site has improper slightly, is easy to be ignored by people, causes these hazardous areas still a large amount of accidents taking place.

The purpose of this utility model provides a kind of pyroelectricity human-body infrared sensing phonic warning device, it adopts the reasonable cooperation of human body pyroelectricity infrared electronic technology and speech digit synthetic technology, danger with the existence of various places, tell people with voice in time, thereby reminds people is noted danger herein constantly near these places.

The purpose of this utility model is achieved in that it comprises optical lens lens system, pyroelectricity human-body infrared sensing device, operational amplification circuit, voltage window comparator circuit, speech digit combiner circuit, loudspeaker, light caution system, power supply and shell, wherein be connected with a double D trigger between pyroelectricity human-body infrared sensing device and speech digit combiner circuit, the pin 1 of double D trigger is connected resistance R with pin 11 ₁₂, pin 3 connects diode D ₃, D ₄Negative pole and resistance R ₉, pin 4 connects resistance R ₁₂The other end and capacitor C ₃, pin 5 connects diode D respectively ₅, resistance R ₁₁And capacitor C ₁₁, pin 6,7,8 connects negative pole, and pin 9,14 links to each other and connects positive source, pin 10 difference connecting resistance R by 7805 ₁₃, diode D7 and capacitor C ₁₂, pin 13 connects resistance R respectively ₂₂, R ₁₃, diode D ₇Negative pole, and through diode (LED) ₁Connect R ₁₄When people's body heat release infra-red sensing system receive the people near dangerous on-the-spot electric signal after, send a time clock to double D trigger, double D trigger is promptly opened the contactor of speech digit synthesis system, the voice of storing are released, thereby make people's body heat release infrared electronic technology and the speech digit synthetic technology organically combines, play the effect of dangerous alarm, reach the purpose of safety in production.

Owing to adopt such scheme, remarkable advantage of the present utility model is in the environment complicated and changeable of enterprise production place, give full play to people's sensorium, utilizing language this is most the form that the people accepted, and reminds the people near the hazardous area to take care, direct bright official, topped wide, the installation site also is not subjected to the limitation of environment, and cheap, highly sensitive, accuracy is good, since the voice conversion arbitrarily of speech digit combiner circuit, highly versatile, range of application is extremely extensive, owing to adopt detection automatically, utterly loyal, rate of false alarm is lower again, reduced the safe operator on duty's of enterprise quantity widely, will play a part positive safety and production.As with foreign language typing speech digit combiner circuit, also can obtain the welcome of overseas enterprise.Whether the automatic detection that the utility model utilization itself is possessed has people's function at the scene, can be in street lamp, stair light, corridor etc. the illumination place use, can reach people Lai Dengliang, the effect that the people goes lamp to go out, significantly reduce the pilot burner phenomenon in these places, positive effect is also arranged aspect energy savings.

Below in conjunction with drawings and Examples the utility model is further specified.

Fig. 1 is an outside drawing of the present utility model.

Fig. 2 is an assembling synoptic diagram of the present utility model.

Fig. 3 is a principle of work block diagram of the present utility model.

Fig. 4 is the principle of work block diagram of speech digit combiner circuit.

Fig. 5 is a physical circuit schematic diagram of the present utility model.

Among the figure 1, plastic casing 2, optical lens lens system 3, loudspeaker 4, power source plug socket 5, pyroelectricity human-body infrared sensing device 6, P.e.c. control panel 7, the people's body heat that enters in the scope of hazardous area is released infrared radiation 8, operational amplification circuit 9, voltage window comparator circuit 10, speech digit combiner circuit 11, power supply 12, join light caution system 13 outward, A/D(mould/number) converter 14, the D/A(D/A) converter 15, recording microphone 16, microphone amplifier 17, audio frequency preamplifier 18, audio-frequency power amplifier 19, the ADM language decomposes and combiner circuit (auto-adaptive increment modulation) 20, address counter 21, clock generator 22, logic control circuit 23, recording trigger switch 24, playback trigger switch 25, refresh counter 26, dynamic random memory 27, double D trigger.

From Fig. 3,5 as seen, the utility model comprises optical lens lens system (2), pyroelectricity human-body infrared sensing device (5), operational amplification circuit (8), voltage window comparator circuit (9), speech digit combiner circuit (10), speaker (3), light caution system (12), power supply (4) and shell (1), wherein is connected with double D trigger (27) between pyroelectricity human-body infrared sensing device (5) and speech digit combiner circuit (10).The people's body heat that enters the hazardous area is released infrared radiation (7) and is gathered in pyroelectricity human-body infrared sensing device (5) by optical lens lens system (2), and be absorbed and change electric signal into, after operational amplification circuit (8) amplifies, send into voltage window comparator circuit (9), comparing identification handles, as eligible, then trigger the voice of speech digit combiner circuit (10) output through typing in advance, driving loudspeaker (3) broadcasts voice, simultaneously also can drive light caution system (12) lights, the light caution system can be light poster case or neon bulb, and acousto-optic develops simultaneously, and the personnel that enter this place with prompting take care.The human body pyroelectricity infrared sensor can judge accurately whether dangerous scene has the people approaching, waits for or enter duty thereby control the shutdown of this device.Double D trigger (27) is released between infrared sensing and the synthetic two large divisions of speech digit in people's body heat and is played a part interface switch.

As can be seen from Fig. 4, during recording, press recording trigger switch (23), voice signal is amplified through microphone amplifier (16) by microphone (15), delivering to decomposition of ADM voice and combiner circuit (19) decomposes and the synthetic speech signal analog quantity, deliver to A/D(mould/number again) converter (13) converts the voice signal analog quantity to digital quantity, sends into dynamic random memory (26) storage.When playback trigger switch (24) is received the someone and is entered trigger pip in the fence coverage, logic control circuit (22) accesses the digital signal in the dynamic random memory (26) come, sending the D/A(D/A) converter (14) is reduced into the language simulating signal, decompose and combiner circuit (19) and logic control circuit (22) are sent into audio frequency preamplifier (17) and carried out preposition amplification through the ADM language, after sending into audio-frequency power amplifier (18) again and carrying out power amplification, play back by loudspeaker (3).Change former recording language as need, then can press recording trigger switch (23) again, the content in the dynamic random memory 26 can be disposed, again the new voice content of typing.Dynamic random memory (26) can be selected in the scope of 1-4 sheet as required, and every memory can store the voice of 16 second time, so can store the voice of 64 second time at most, general occasion only needs the voice of 16 second time promptly enough.The speech digit combiner circuit can be by the voice typing appropriate according to the different choice of occasion and dangerous kind in advance, for example " there is electricity dangerous; please don't be close ", " important place, warehouse; No Open Flames " or the like language, also available alarm voice music etc., during use according to the difference of dangerous feature, from edlin.Language conversion as requested at any time in the speech digit combiner circuit, extremely convenient.

Claims (4)

1, a kind of pyroelectricity human-body infrared sensing phonic warning device, it comprises optical lens lens system, pyroelectricity human-body infrared sensing device, operational amplification circuit, voltage window comparator circuit, speech digit combiner circuit, loudspeaker, light caution system, power supply and shell, it is characterized in that being connected with a double D trigger between pyroelectricity human-body infrared sensing device and speech digit combiner circuit, the pin 1 of double D trigger is connected resistance R with pin 11 ₁₂, pin 3 connects diode D ₃, D ₄Negative pole and resistance R ₉, pin 4 connects resistance R ₁₂The other end and capacitor C ₃, pin 5 connects diode D respectively ₅, resistance R ₁₁And capacitor C ₁₁, pin 6,7,8 connects negative pole, and pin 9,14 links to each other and connects positive source, pin 10 difference connecting resistance R by 7805 ₁₃, diode D ₇And capacitor C ₁₂, pin 13 connects resistance R respectively ₂₂, R ₂₃, diode D ₇Negative pole, and through diode (LED) ₁Connect R ₁₄

2, device according to claim 1 is characterized in that the speech digit combiner circuit is by A/D(mould/number) converter, D/A(D/A) converter, the ADM voice decompose and combiner circuit (auto-adaptive increment modulation), address counter, clock generator, logic control circuit, recording trigger switch, playback trigger switch, refresh counter and dynamic random memory are formed.

3, device according to claim 1, it is characterized in that the dynamic random memory in the described speech digit combiner circuit, conversion sheet number can connect 4 at most according to actual needs, the every voice that can store 16 second time promptly can store the voice of 64 second time at most.

4, device according to claim 1 is characterized in that the light caution system can be light poster case or neon bulb.

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