CN102143437B - Voice communication controller and communication system for positive pressure air breather - Google Patents
Voice communication controller and communication system for positive pressure air breather Download PDFInfo
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- CN102143437B CN102143437B CN2011100234284A CN201110023428A CN102143437B CN 102143437 B CN102143437 B CN 102143437B CN 2011100234284 A CN2011100234284 A CN 2011100234284A CN 201110023428 A CN201110023428 A CN 201110023428A CN 102143437 B CN102143437 B CN 102143437B
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Abstract
The invention discloses a voice communication controller and a communication system for a positive pressure air breather, which can perform voice communication clearly and accurately and strengthen team communication effectively. The communication system comprises a voice communication controller, a first MIC (Microphone) and a second MIC. The first MIC and the second MIC are both installed in a mask of the positive pressure air breather, the first MIC and the second MIC are connected with the voice communication controller by data lines, and the voice communication controller is connected with a worn interphone. In a site working process, workers wear the positive pressure air breather, the voice communication controller and the interphone on the body; the first MIC and the second MIC automatically control the voice signal so as to communicate with other workers by the interphone. The voice communication controller and the communication system for the positive pressure air breather not only can effectively release double hands of the rescue workers and effectively strengthen the team communication by a clear talking effect, but also transmit the voice signal more clearly, accurately and reliably, with wide market prospect.
Description
Technical field
The present invention relates to a kind of speech communication controller for positive-pressure air respirator and communication system.
Background technology
Positive-pressure air respirator mainly is applicable to fire-fighting, chemical industry, boats and ships, oil, smelting, factories and miness, laboratory etc. and locates, make the fireman or speedily carry out rescue work that the rescue personnel can put out a fire safely under the adverse circumstances that are full of dense smoke, poison gas, steam or anoxic, rescue and relief work and rescue.The domestic positive-pressure air respirator of producing all can not be realized direct voice transfer, can't complete all multitasks in actual applications, such as carrying out effective communication and cooperation and commander between the staff who uses this positive-pressure air respirator in the adverse circumstances such as rescue and relief work, thereby delay rescue opportunity, cause serious consequence, if use intercom need to pin the PTT button triggering conversation of intercom with hand when conversation, can't liberate the both hands of oneself in the rescue site environment.In order to overcome this defect, function of voice communication between external similar products have mutually at present, its principle is at the built-in special microphone in the face shield the inside of positive-pressure air respirator, this microphone need to first trigger the PTT talk-listen switch of intercom, this Mike's voice signal could be launched by intercom.Because process and the direct transmission of voice signal of the PTT talk-listen switch that triggers intercom accounts for a channel altogether, therefore also need analyze and judge the operations such as signal type after signal being detected, just can open the PTT talk-listen switch after whole action is completed converses, the voice signal of microphone could be spread out of after time delay a period of time with regard to needing like this, so just likely make the other side can't not hear the first character of its statement that loquiturs, mistake on causing understanding, and also moderate requirement to be arranged on the word speed of speech.
Summary of the invention
Technical problem to be solved by this invention is to overcome the deficiencies in the prior art, provides a kind of voice communication the clear accurate and effective speech communication controller and the communication system that are used for positive-pressure air respirator that team is linked up that strengthen.
The technical scheme that the speech communication controller that the present invention relates to adopts is: the speech communication controller that should be used for positive-pressure air respirator, be connected between positive-pressure air respirator and intercom, described speech communication controller comprises CPU and the MIC input module that is connected with described CPU respectively, MIC signal processing module, VOX control module and communication unit;
Wherein said MIC input module is used for receiving the voice signal from the built-in MIC of positive-pressure air respirator face shield; Described voice signal enters described VOX control module after the MIC signal processing module is processed;
Described VOX control module is for detection of the generation of the voice signal after processing and feed back to CPU, and described CPU sends instruction by communication unit makes intercom be in the emission talking state to intercom.
The voice signal that above-mentioned MIC input module receives comprises the MIC signal from two passages, and a road MIC signal is used for triggering the emission communications status of intercom, and another road MIC signal is used for direct voice transfer.
The technical scheme that the communication system that the present invention relates to adopts is: this communication system comprises a MIC, the 2nd MIC and above-mentioned speech communication controller, a described MIC, the 2nd MIC all are built in the face shield of positive-pressure air respirator, described VOX control module feeds back to CPU while detecting from the voice signal of a MIC, the PTT control switch that described CPU sends in the instruction triggers intercom makes intercom be in the emission talking state, and the voice signal of controlling simultaneously from the 2nd MIC is passed to intercom and sends.
Further, described speech communication controller also comprises the PTT button, and the circuits for triggering of described PTT button are electrically connected to the PTT control switch in intercom.Use up or system while not working when the battery of this speech communication controller, can manually press the PTT control switch that this PTT button triggers in the machine of saying and converse.
Whether further, speech communication controller wherein also comprises the face shield state detection module that is connected with CPU, for detection of the breathing air valve in the positive-pressure air respirator face shield, open., if detecting in conversation and breathing air valve is closed condition, triggers talk-listen switch and carry out voice call; If detecting and breathing air valve is open mode, can not trigger talk-listen switch, conversation can't be carried out.
Further, speech communication controller wherein also comprises the alarm module that falls down to the ground that is connected with CPU, and the described alarm module that falls down to the ground receives the signal of the transducer in positive-pressure air respirator; And the loudspeaker that are used for warning.When the staff who wears positive-pressure air respirator fell down to the ground or be not subjected to displacement, the signal of transducer can trigger CPU and reported to the police by loudspeaker this moment.
The invention has the beneficial effects as follows: the speech communication controller in the present invention is mainly used to solve the voice transfer problem, this controller is a kind of face shield communication control unit that is specifically designed to positive-pressure air respirator, operating state under normality can be provided for the rescue personnel who has been equipped with this equipment, easy to use, effectively liberate rescue personnel's both hands, can be immediately clearly communication effect can effectively strengthen team and link up,, for the user increases work efficiency, save the valuable time.The communication system that comprises this controller adopts two microphones to control voice transfer, voice signal is present in two channels simultaneously, opening the PTT control switch when the signal of first channel being detected allows the voice signal of second channel pass through simultaneously, need not etc. the subsequent analysis deterministic process complete fully after trigger switch again, while making like this conversation, the first character content of statement is more clear, accurately and reliably.Because external product carrys out signal transmission with dedicated microphone by a channel, its control circuit is complicated, and with air respiratorresuscitator, be integrated design, can not support the use with the air respiratorresuscitator of other model, and this system does not have specific (special) requirements to microphone, uses common on the market microphone just can realize the voice communication requirement, the control circuit simplicity of design, production is easy and cost is low, and can be common to as accessory the air respiratorresuscitator of different model.
Description of drawings
Fig. 1 is the outside connection diagram of communication system of the present invention;
Fig. 2 is the theory diagram of the speech communication controller in the present invention;
Fig. 3 is the theory diagram of the speech communication controller of another kind of mode in the present invention;
Fig. 4 is the theory diagram of communication system of the present invention.
Embodiment
as shown in Figure 1, the communication system that the present invention relates to comprises speech communication controller 1, the one MIC5, the 2nd MIC6, a described MIC5, the 2nd MIC6 all is placed in the face shield interior (face shield is not shown) of positive-pressure air respirator, a described MIC5, the 2nd MIC6 is connected with speech communication controller 1 by data wire 3, this speech communication controller 1 is connected with the intercom 2 of wearing, in the course of work, the staff wears positive-pressure air respirator and speech communication controller 1 at the scene, intercom 2 in it, automatically control voice signal by a MIC5 and two microphones of the 2nd MIC6 and carry out communication by intercom 2 with the other side.Except adopting the data wire connecting communication, can also adopt wireless communication mode in addition, for example bluetooth approach,, owing to being all usual way in prior art, do not make Ao Shu at this.
As shown in Figure 2, described speech communication controller 1 comprises CPU12 and the MIC input module 7 that is connected with described CPU12 respectively, MIC signal processing module 8, VOX control module 10 and communication unit 11 to the internal structure of speech communication controller 1 wherein; VOX control module 10 is the abbreviation implication of (VOICE – OPERATED TRANSMISSION), means the sound control transmission, namely according to sound, automatically controls the meaning of transmission.Described MIC input module 7 is used for receiving the voice signal from two built-in MIC of positive-pressure air respirator face shield, and voice signal herein is actual to be referred to by can be used for the signal of telecommunication of communication transfer after the microphone conversion, hereinafter equivalent in meaning; Described voice signal enters VOX control module 10(processing procedure after MIC signal processing module 8 is processed be the conventional treatment such as filtering, conversion); The generation of the voice signal after described VOX control module 10 Check processings also feeds back to CPU12, and described CPU12 sends instruction by communication unit 11 makes intercom be in the emission talking state to intercom.
Referring to Fig. 3, this speech communication controller 1 also comprises that PTT button 9(PTT namely refers to PUSH TO TALK, also claim PTT, and the button on intercom is similar), the circuits for triggering of described PTT button 9 are electrically connected to the PTT control switch 17 in intercom.When the dead battery of this speech communication controller 1 or in emergency circumstances, control system can not be worked, can not automatically control in the situation of transmission by voice, can manually press the PTT control switch 17 that this PTT button 9 triggers in the machine of saying and converse.
theory diagram referring to Fig. 4, communication system of the present invention depends on intercom 2, this is in the in-built PTT control switch 17 that is equipped with of intercom 2, this communication system comprises a MIC5, the 2nd MIC6 and above-mentioned speech communication controller 1, a described MIC5, the 2nd MIC6 all is built in the face shield of positive-pressure air respirator, when the staff carries out voice call, the voice signal that described VOX control module 10 detects from a MIC5 feeds back to CPU12, described CPU12 sends instruction and automatically triggers the interior PTT control switch 17 of intercom 2, make intercom 2 be in the emission talking state, and the voice signal of controlling from the 2nd MIC6 is passed to intercom 2 and sends, complete the speech action.Voice signal by two passages is controlled respectively transmission, and the signal of one of them microphone is used for triggering talk-listen switch, and the signal of another microphone directly is used for voice transfer to the other side.Utilize like this voice signal of two passages to control, reduce interference each other, and reduce and cause voice transfer to have losing too much situation, converse more clear because the delay of time is long, the while can be applicable to common microphone, has reduced production cost.
As shown in Figure 2 or Figure 3, preferred embodiments as supporting positive-pressure air respirator, speech communication controller 1 also comprises the face shield state detection module 16 that is connected with CPU12, whether open for detection of the breathing air valve in the positive-pressure air respirator face shield, if detecting in conversation and breathing air valve is closed condition, while voice signal being arranged, CPU12 can trigger talk-listen switch and carries out voice call; If detecting and breathing air valve is open mode, even voice signal detected in the case, CPU12 can not trigger talk-listen switch yet, and conversation can't be carried out.The another one safe design is that speech communication controller 1 wherein also comprises the alarm module 14 that falls down to the ground, earphone microphone interface 15 and the loudspeaker 13 that are connected with CPU12, the signal of the transducer in the described alarm module 14 reception positive-pressure air respirators that fall down to the ground; Transducer constantly passes to the displacement signal of equipment the described alarm module 14 that falls down to the ground; when danger while not being subjected to displacement (fall down to the ground or) appears in the staff who wears positive-pressure air respirator, the abnormal signal of transducer can trigger CPU12 and reported to the police by loudspeaker 13 this moment.
Claims (5)
1. speech communication controller that is used for positive-pressure air respirator, be connected between positive-pressure air respirator and intercom, it is characterized in that: described speech communication controller comprises CPU and the MIC input module that is connected with described CPU respectively, MIC signal processing module, VOX control module and communication unit;
Wherein said MIC input module is used for receiving the voice signal from the built-in MIC of positive-pressure air respirator face shield; Described voice signal enters described VOX control module after the MIC signal processing module is processed;
Described VOX control module is for detection of the generation of the voice signal after processing and feed back to CPU, and described CPU sends instruction by communication unit makes intercom be in the emission talking state to intercom;
The voice signal that described MIC input module receives comprises the MIC signal from two passages, and a road MIC signal is used for triggering the emission communications status of intercom, and another road MIC signal is used for direct voice transfer.
2. communication system that comprises the described speech communication controller of claim 1, it is characterized in that, comprise a MIC, the 2nd MIC and above-mentioned speech communication controller, a described MIC, the 2nd MIC all are built in the face shield of positive-pressure air respirator, described VOX control module feeds back to CPU while detecting from the voice signal of a MIC, the PTT control switch that described CPU sends in the instruction triggers intercom makes intercom be in the emission talking state, and the voice signal of controlling simultaneously from the 2nd MIC is passed to intercom and sends.
3. communication system according to claim 2, it is characterized in that: described speech communication controller also comprises the PTT button, the circuits for triggering of described PTT button are electrically connected to the PTT control switch in intercom.
4. communication system according to claim 2, whether it is characterized in that: speech communication controller wherein also comprises the face shield state detection module that is connected with CPU, for detection of the breathing air valve in the positive-pressure air respirator face shield, open.
5. communication system according to claim 2, it is characterized in that: speech communication controller wherein also comprises the alarm module that falls down to the ground that is connected with CPU, the described alarm module that falls down to the ground receives the signal of the transducer in positive-pressure air respirator; And the loudspeaker that are used for warning.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100234284A CN102143437B (en) | 2011-01-21 | 2011-01-21 | Voice communication controller and communication system for positive pressure air breather |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011100234284A CN102143437B (en) | 2011-01-21 | 2011-01-21 | Voice communication controller and communication system for positive pressure air breather |
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| CN102143437A CN102143437A (en) | 2011-08-03 |
| CN102143437B true CN102143437B (en) | 2013-11-20 |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP5592908B2 (en) * | 2012-02-23 | 2014-09-17 | 興研株式会社 | Respiratory protection |
| WO2014046705A1 (en) * | 2012-09-24 | 2014-03-27 | John Hamilton | Communication and speech enhancement system |
| US9943712B2 (en) | 2012-09-24 | 2018-04-17 | Dolores Speech Products Llc | Communication and speech enhancement system |
| CN204390738U (en) * | 2013-12-17 | 2015-06-10 | 阿拉亚哈亚韦·法里斯·阿卜杜莫兹·阿卜杜瓦黑德·穆哈默德 | Isolates sound and control device and system |
| CN106209136A (en) * | 2016-06-27 | 2016-12-07 | 北京小米移动软件有限公司 | Talkback unit control method, talkback unit |
| CN106935247A (en) * | 2017-03-08 | 2017-07-07 | 珠海中安科技有限公司 | It is a kind of for positive-pressure air respirator and the speech recognition controlled device and method of narrow and small confined space |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN100470598C (en) * | 2007-05-24 | 2009-03-18 | 彭玉林 | Fall-down automatic alarm system |
| CN101330682B (en) * | 2008-07-18 | 2011-11-16 | 航宇救生装备有限公司 | Walkie-talkie ear microphone with autoexcitation function |
| CN201374816Y (en) * | 2009-01-19 | 2009-12-30 | 杭州绿宇通信技术有限公司 | Coal-mine underground communication cell-phone with one-key talkback function |
| CN201967073U (en) * | 2011-01-21 | 2011-09-07 | 珠海市金海来科技有限公司 | Voice communication controller and communication system for positive pressure type air breathing apparatus |
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