CN202014240U - Wireless voice communication system applicable to face mask of air breathing apparatus - Google Patents
Wireless voice communication system applicable to face mask of air breathing apparatus Download PDFInfo
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- CN202014240U CN202014240U CN2011201395043U CN201120139504U CN202014240U CN 202014240 U CN202014240 U CN 202014240U CN 2011201395043 U CN2011201395043 U CN 2011201395043U CN 201120139504 U CN201120139504 U CN 201120139504U CN 202014240 U CN202014240 U CN 202014240U
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Abstract
The utility model discloses a wireless voice communication system applicable to a face mask of air breathing apparatus. The wireless voice communication system comprises a wireless transmitting terminal, a wireless headset receiving terminal and a wireless control box, wherein, the wireless transmitting terminal comprises a first sound collecting module, a first voice amplifying module and a first frequency control module which are connected in sequence; an output end of the first frequency control module is connected with a first antenna transmitting module; the wireless headset receiving terminal comprises a second voice amplifying module, a first voice processing module and a first audio frequency power amplifying module which are connected in sequence; an input end of the second voice amplifying module is connected with a first antenna receiving module; and the wireless control box conducts wireless communication with the wireless transmitting terminal and the wireless headset receiving terminal. The wireless voice communication system provided by the utility model has the advantages that through providing the separation type wireless transmitting terminal and the separation type wireless headset receiving terminal, a user can conveniently settle the wireless headset terminal in the face mask according to requirements, thereby conducting wireless communication with the external personnel.
Description
Technical field
The utility model relates to a kind of wireless speech communication system, relates in particular to a kind of sky that is applicable to and exhales the wireless speech communication system of device face shield.
Background technology
Wear at present personnel that sky exhales the work of device face shield both at home and abroad in the speech communication of carrying out with commanding in the rear personnel and work on the spot companion, usually just talk by intercom across face shield, also have plenty of by the wired connection intercom and transmit, the sky that for example is integrated with complicated wire transmission is exhaled device face shield and osteoacusis headset (being integrated in helmet top) transmission more.As using above technology, voice quality and laser propagation effect are very restricted.Because voice are shielded voice intensity that intercom is accepted and the serious distortion of quality by face shield; When adopting bone-conduction device, because wearing position is different with individual human body physical sign, voice quality also can not get guaranteeing.At rescue site, use intercom to bring many inconvenience can for the staff who wears face shield especially.And when (for example: fire-fighting, rescue scene), surrounding environment is abominable in the working site, and the quality that under the strong situation of external noise voice is transmitted has proposed very high requirement.
With the fire-fighting domain is example, and fire fighter and extraneous commanding have following several by the method for intercom communication:
1) direct method: the fire fighter carries air respiratorresuscitator, has on face shield, and a hand is held intercom and commanding's communication; 2) collimation method is arranged: indivedual skies exhale device face shield manufacturer changing traditional face mask structure, and voice collection device is installed, and by earphone cord voice signal are delivered to intercom, and earphone and voice collection device all are to transmit by wired.Bone conduction earphone is installed in the helmet and is transferred to intercom by wired mode; 3) no collimation method: indivedual face shield manufacturer outer walls are integrated wireless module is installed, and are non-dismountable.
In use there are many deficiencies in technique scheme, and major defect is as follows: 1, have on face shield and speak under noisy environment, sound is difficult to listen and obtains.Because voice are shielded voice intensity that intercom is accepted and the serious distortion of quality by face shield; 2, the fire fighter is to be difficult to vacate a hand go to link up by intercom and commanding when the treatment trapped personnel; 3, the quality problems of sound, when bone-conduction device used, because the wearing position variation is different with individual human body physical sign in the motion, voice quality also can not get guaranteeing; 4, existing sound collection is module integrated is placed on the face shield, non-dismountable, so sound effect is bad, is a kind of very vexed sound, is difficult to catch.Therefore, be necessary to provide dismountable sky that is applicable to exhale the wireless speech communication system of device face shield and guarantee voice quality.
Summary of the invention
Technical problem to be solved in the utility model provides a kind of sky that is applicable to and exhales the wireless speech communication system of device face shield, dismountable earphone-microphone terminal can be provided and guarantee voice quality.
The utility model is to solve the problems of the technologies described above the technical scheme that adopts to provide a kind of sky that is applicable to and exhale the wireless speech communication system of device face shield, comprise: the wireless transmission terminal: comprise the first sound collection module, the first voice amplification module and the first frequency control module that link to each other successively, the output of described first frequency control module links to each other with the first antenna transmitter module; The wireless headset receiving terminal: comprise the second voice amplification module, first speech processing module and first audio frequency power amplifier module that link to each other successively, the input of the described second voice amplification module links to each other with the first antenna receiver module; Controlled in wireless box: comprising the continuous successively second antenna receiver module, the 3rd voice amplification module and second speech processing module that is used to receive from wireless transmission terminal voice signal; And the continuous successively second sound acquisition module, second frequency control module and the second antenna transmitter module that is used for to wireless headset receiving terminal emission voice signal.
The above-mentioned sky that is applicable to is exhaled the wireless speech communication system of device face shield, wherein, described wireless transmission terminal, the power end of each module links to each other with power module in wireless headset receiving terminal and the controlled in wireless box, the output of described power module links to each other with the low-voltage alarm module, described low-voltage alarm module comprises triode Q2, triode Q3, light-emitting diode D2 and voltage-stabiliser tube D4, the emitter of described triode Q2 links to each other with positive source VCC, base stage and divider resistance R20, voltage-stabiliser tube D4 links to each other, collector electrode and divider resistance R21, R23 links to each other, the emitter of described triode Q3 links to each other with positive source VCC, base stage links to each other with divider resistance R21, collector electrode and divider resistance R25, light-emitting diode D2 links to each other, the positive pole of described voltage-stabiliser tube D4 and divider resistance R20, the base stage of triode Q2 links to each other.
The above-mentioned sky that is applicable to is exhaled the wireless speech communication system of device face shield, and wherein, the described first sound collection module comprises two sound collection miaow heads that are connected in parallel.
The above-mentioned sky that is applicable to is exhaled the wireless speech communication system of device face shield, and wherein, the shell of described wireless transmission terminal and wireless headset receiving terminal is provided with inner back-off and rubber seals.
The utility model contrast prior art has following beneficial effect: the sky that is applicable to that the utility model provides is exhaled the wireless speech communication system of device face shield, by separated wireless launch terminal and wireless headset receiving terminal are provided, make the user easily the earphone-microphone terminal to be placed in the face shield as required, thereby carry out radio communication with extraneous personnel.
Description of drawings
Fig. 1 exhales the wireless speech communication system structural representation of device face shield for the utility model is applicable to sky;
Fig. 2 is a wireless transmission terminal structure schematic diagram of the present utility model;
Fig. 3 is a wireless headset receiving terminal structural representation of the present utility model;
Fig. 4 is a controlled in wireless box structural representation of the present utility model;
Fig. 5 is the circuit diagram of low-voltage alarm module among Fig. 2 and Fig. 3.
Among the figure:
1 wireless transmission terminal, 2 wireless headset receiving terminals, 3 controlled in wireless boxes
11 first sound collection modules, 12 first voice amplification modules, 13 first frequency control modules
14 power modules, 15 frequency trim modules, 16 first antenna transmitter modules
17 low-voltage alarm modules, 21 first antenna receiver modules, 22 second voice amplification modules
23 first speech processing module, 25 first audio frequency power amplifier module 31 the 3rd voice amplification module
32 second speech processing module, 34 second frequency control modules, 35 second antenna receiver modules
36 second audio frequency power amplifier module, 37 second sound acquisition modules, 38 second antenna transmitter modules
Embodiment
The utility model will be further described below in conjunction with drawings and Examples.
Fig. 1 exhales the wireless speech communication system structural representation of device face shield for the utility model is applicable to sky.
See also Fig. 1, the sky that is applicable to that the utility model provides exhales the wireless speech communication system of device face shield to comprise:
Wireless transmission terminal 1: comprise the first sound collection module 11, the first voice amplification module 12 and the first frequency control module 13 that link to each other successively, as shown in Figure 2, the output of described first frequency control module 13 links to each other with the first antenna transmitter module 16 voice signal is launched; Flowing to of the voice signal of above-mentioned module is as follows: at first be the first sound collection module, 11 collected sound signals, amplify by the first voice amplification module 12 then, give first frequency control module 13 again, by the first antenna transmitter module 16 voice signal is launched at last.In order to improve the FREQUENCY CONTROL precision, can further finely tune by 15 pairs of frequencies of frequency trim module.What as shown in Figure 2, the first sound collection module 11 was selected for use is that acquisition precision is than higher miaow head; What the first voice amplification module 12 adopted is NPN triode 9018; The chip that first frequency control module 13 is selected for use is BH1416 or BH1417; What frequency trim module 15 was selected for use is the higher tunable capacitor of precision.
Wireless headset receiving terminal 2: comprise the second voice amplification module 22, first speech processing module 23 and first audio frequency power amplifier module 25 that link to each other successively, as shown in Figure 3, the input of the described second voice amplification module 22 received speech signal that links to each other with the first antenna receiver module 21;
Controlled in wireless box 3: comprising the continuous successively second antenna receiver module 35, the 3rd voice amplification module 31 and second speech processing module 32 that is used to receive from wireless transmission terminal 1 voice signal; And the continuous successively second sound acquisition module 37, second frequency control module 34 and the second antenna transmitter module 38 that is used for to wireless headset receiving terminal 2 emission voice signals, as shown in Figure 4.The chip model that each main modular is selected for use is as follows: what the 3rd voice amplification module 31 was selected for use is NPN type triode 9018; What second speech processing module 32 was selected for use is the SONYCXA1691BM chip; What the second sound acquisition module 37 was selected for use is the miaow head that is used for sound collection; What second frequency control module 34 was mainly selected for use is the MAX2606 chip, and other module can be selected existing chip for use, describes in detail no longer one by one at this.
Fig. 5 is the circuit diagram of low-voltage alarm module among Fig. 2 and Fig. 3.
The earphone-microphone terminal generally all adopts the TunePower power supply, and therefore, the user mode of power supply is extremely important, and the utility model adopts the low-voltage alarm module that power module is monitored.See also Fig. 5, in this low-voltage alarm module, the emitter of the triode Q2 of positive-negative-positive links to each other with positive source VCC, base stage links to each other with divider resistance R20, voltage-stabiliser tube D4, collector electrode links to each other with divider resistance R21, R23, the emitter of triode Q3 links to each other with positive source VCC, base stage links to each other with divider resistance R21, collector electrode links to each other with divider resistance R25, light-emitting diode D2, D4 is the voltage-stabiliser tube of 3.4V, and its positive pole links to each other with the base stage of divider resistance R20, triode Q2, and D2 is a light-emitting diode, VCC connects the positive pole of power supply, and GND connects the negative pole of power supply.Resistance among the figure mainly has been the effect of dividing potential drop, and R20, R21, R22, R23, R25 are respectively the resistance of resistance 3.3K Ω, 4.7K Ω, 10K Ω, 10K Ω, 510 Ω.The D4 voltage-stabiliser tube mainly plays voltage stabilizing, and light-emitting diode plays warning, and Q2, Q3 triode play amplification.
The operation principle of this circuit is: when power source voltage was lower than 3.4V, voltage-stabiliser tube D4 and all conductings of triode Q2, Q3 had electric current to pass through light-emitting diode D2, the light-emitting diode D2 warning that will redden, prompting electric weight deficiency; When supply voltage was higher than 3.4V, voltage-stabiliser tube D4 and triode Q2, not conductings of Q3 did not have electric current to pass through light-emitting diode D2, and this moment, light-emitting diode D2 just can not be luminous.
The wireless speech communication system that the utility model provides, because earphone-microphone is used for sky and exhales the device face shield, therefore to the having relatively high expectations of waterproof and sealing, described wireless transmission terminal 1 and inner back-off preferably is set wireless headset receiving terminal 2 shells and rubber seals.
Though the utility model discloses as above with preferred embodiment; right its is not in order to limit the utility model; any those skilled in the art; in not breaking away from spirit and scope of the present utility model; when doing a little modification and perfect, therefore protection range of the present utility model is worked as with being as the criterion that claims were defined.
Claims (4)
1. one kind is applicable to that sky exhales the wireless speech communication system of device face shield, it is characterized in that described wireless speech communication system comprises:
Wireless transmission terminal (1): comprise the first sound collection module (11), the first voice amplification module (12) and the first frequency control module (13) that link to each other successively, the output of described first frequency control module (13) links to each other with the first antenna transmitter module (16);
Wireless headset receiving terminal (2): comprise the second voice amplification module (22), first speech processing module (23) and first audio frequency power amplifier module (25) that link to each other successively, the input of the described second voice amplification module (22) links to each other with the first antenna receiver module (21);
Controlled in wireless box (3): comprising links to each other successively is used for second antenna receiver module (35), three voice amplification module (31) and second speech processing module (32) of reception from wireless transmission terminal (1) voice signal; And the continuous successively second sound acquisition module (37), second frequency control module (34) and the second antenna transmitter module (38) that is used for to wireless headset receiving terminal (2) emission voice signal.
2. the sky that is applicable to as claimed in claim 1 is exhaled the wireless speech communication system of device face shield, it is characterized in that, described wireless transmission terminal (1), the power end of each module links to each other with power module (14) in wireless headset receiving terminal (2) and the controlled in wireless box (3), the output of described power module (14) links to each other with low-voltage alarm module (17), described low-voltage alarm module (17) comprises triode Q2, triode Q3, light-emitting diode D2 and voltage-stabiliser tube D4, the emitter of described triode Q2 links to each other with positive source VCC, base stage and divider resistance R20, voltage-stabiliser tube D4 links to each other, collector electrode and divider resistance R21, R23 links to each other, the emitter of described triode Q3 links to each other with positive source VCC, base stage links to each other with divider resistance R21, collector electrode and divider resistance R25, light-emitting diode D2 links to each other, the positive pole of described voltage-stabiliser tube D4 and divider resistance R20, the base stage of triode Q2 links to each other.
3. the sky that is applicable to as claimed in claim 2 is exhaled the wireless speech communication system of device face shield, it is characterized in that, the described first sound collection module (11) comprises two sound collection miaow heads that are connected in parallel.
4. exhale the wireless speech communication system of device face shield as each described sky that is applicable to of claim 1～3, it is characterized in that the shell of described wireless transmission terminal (1) and wireless headset receiving terminal (2) is provided with inner back-off and rubber seals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201395043U CN202014240U (en) | 2011-05-05 | 2011-05-05 | Wireless voice communication system applicable to face mask of air breathing apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201395043U CN202014240U (en) | 2011-05-05 | 2011-05-05 | Wireless voice communication system applicable to face mask of air breathing apparatus |
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| Publication Number | Publication Date |
|---|---|
| CN202014240U true CN202014240U (en) | 2011-10-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201395043U Expired - Fee Related CN202014240U (en) | 2011-05-05 | 2011-05-05 | Wireless voice communication system applicable to face mask of air breathing apparatus |
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| CN (1) | CN202014240U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104715759A (en) * | 2013-12-17 | 2015-06-17 | 阿拉亚哈亚韦·法里斯·阿卜杜莫兹·阿卜杜瓦黑德·穆哈默德 | Voice isolating and control device and system thereof |
| CN104955526A (en) * | 2013-02-01 | 2015-09-30 | 3M创新有限公司 | Respirator mask speech enhancement apparatus and method |
| 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 |
| CN111370034A (en) * | 2020-03-03 | 2020-07-03 | 珠海格力电器股份有限公司 | Method and device for synchronous recording and wireless earphone charging equipment |
-
2011
- 2011-05-05 CN CN2011201395043U patent/CN202014240U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104955526A (en) * | 2013-02-01 | 2015-09-30 | 3M创新有限公司 | Respirator mask speech enhancement apparatus and method |
| CN104955526B (en) * | 2013-02-01 | 2017-08-01 | 3M创新有限公司 | respirator mask speech enhancement apparatus and method |
| CN104715759A (en) * | 2013-12-17 | 2015-06-17 | 阿拉亚哈亚韦·法里斯·阿卜杜莫兹·阿卜杜瓦黑德·穆哈默德 | Voice isolating and control device and system thereof |
| 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 |
| CN111370034A (en) * | 2020-03-03 | 2020-07-03 | 珠海格力电器股份有限公司 | Method and device for synchronous recording and wireless earphone charging equipment |
| CN111370034B (en) * | 2020-03-03 | 2024-05-28 | 珠海格力电器股份有限公司 | Method and device for synchronous recording and wireless earphone charging equipment |
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| Date | Code | Title | Description |
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| 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: 20111019 Termination date: 20140505 |