阅读说明：本技术 一种屏噪耳机 (Screen noise earphone ) 是由 欧昇燕 项明诚 于 2021-05-17 设计创作，主要内容包括：本发明涉及隔音装置技术领域,具体指一种屏噪耳机；包括挂件,所述挂件的两端均设有屏蔽组件,其特征在于：所述屏蔽组件包括屏蔽耳罩、收录器、声控模块和充能模块,收录器与屏蔽耳罩配合连接,且收录器内设有与声控模块连接的麦克风；所述声控模块可过滤设定范围内的音频信号以及放大特定范围内的音频信号,声控模块上设有通讯模块和功放单元,充能模块与声控模块电连接；还包括应急单元,通讯模块采用无线通讯方式连接应急单元；本发明结构合理,声控模块可根据现场噪音源的种类进行针对性的弱化修正,降低噪音对人员的长期刺激和伤害,使人员在环境中的正常沟通,能够听到其他音源以保证应变能力。(The invention relates to the technical field of sound insulation devices, in particular to a noise shielding earphone; including the pendant, the both ends of pendant all are equipped with shielding assembly, its characterized in that: the shielding assembly comprises shielding earmuffs, a radio recorder, a sound control module and an energy charging module, the radio recorder is connected with the shielding earmuffs in a matching way, and a microphone connected with the sound control module is arranged in the radio recorder; the voice control module can filter audio signals in a set range and amplify the audio signals in a specific range, a communication module and a power amplification unit are arranged on the voice control module, and the energy charging module is electrically connected with the voice control module; the communication module is connected with the emergency unit in a wireless communication mode; the voice control module has a reasonable structure, can perform targeted weakening correction according to the type of a field noise source, reduces long-term stimulation and damage of noise to personnel, enables the personnel to normally communicate in the environment, and can hear other sound sources to ensure the strain capacity.)

1. The utility model provides a screen earphone of making an uproar, includes the pendant, the both ends of pendant all are equipped with shielding component, its characterized in that: the shielding assembly comprises shielding earmuffs, a radio recorder, a sound control module and an energy charging module, the radio recorder is connected with the shielding earmuffs in a matching way, and a microphone connected with the sound control module is arranged in the radio recorder; the voice control module can filter audio signals in a set range and amplify the audio signals in a specific range, a communication module and a power amplification unit are arranged on the voice control module, and the energy charging module is electrically connected with the voice control module; the emergency communication system further comprises an emergency unit, and the communication module is connected with the emergency unit in a wireless communication mode.

2. The noise-shielding earphone according to claim 1, wherein: the radio recorder is of a tubular structure, one end of the radio recorder is fixedly connected with the shielding earmuffs, and the radio recorder can deform relative to the shielding earmuffs so as to adjust the receiving direction of the microphone.

3. The noise-shielding earphone according to claim 1, wherein: the voice control module is provided with a power amplification unit, receives audio signals in an environment through a microphone, weakens and corrects noise signals in the environment, reinforces and corrects communication signals, and outputs the corrected audio signals to the power amplification unit.

4. The screen noise earphone according to claim 3, wherein: the intelligent terminal is connected with the communication module in a wireless communication mode in a matching mode, and the intelligent terminal can analyze audio signals received by the voice control module, identify and distinguish noise signals and set the frequency section where the noise signals are located as a weakening section.

5. The screen noise earphone according to claim 4, wherein: the voice control module can receive and process audio signals between 50HZ and 14242HZ, and the voice control module can perform enhanced correction on the audio signals within the frequency range of 300HZ to 3000 HZ.

6. The screen noise earphone according to claim 5, wherein: the intelligent terminal can store and switch the weakening correction and strengthening correction parameters of the voice control module in a scene mode.

7. The screen noise earphone according to claim 3, wherein: be equipped with adjusting module on the shielding earmuff, adjusting module sets up in the shielding earmuff outside or on the pendant, and adjusting module passes through the acoustic control module of line connection.

8. The noise-shielding earphone according to claim 1, wherein: and the emergency unit is provided with an SOS module and a TEST module.

9. The noise-shielding earphone according to claim 1, wherein: and the shielding earmuffs are provided with infrared sensors.

Technical Field

The invention relates to the technical field of sound insulation devices, in particular to a noise shielding earphone.

Background

At present, China has become a large manufacturing and processing country in the world production system, and with the progress and development of technology, various equipment investments and applications are deepened and comprehensive. In various manufacturing and processing links, noise is an inevitable problem, and particularly in stamping and high-speed cutting processing links in mechanical hardware production, the noise is in a strong noise environment for a long time, so that the influence on the health of workers is great, and hearing loss is seriously caused. Noise shielding modes are various, and common sound insulation earphones and earplugs can well play roles in isolating and protecting. The shielding earphone used by a pilot and an airport pilot can shield huge noise generated by an aircraft engine, the earphone is simple in use scene, and only a communication system needs to be additionally arranged for communication. However, the protection earphone is used in a production environment, the operation of equipment is required to be observed and monitored in the production environment, and necessary information communication is also required in the production environment, and the existing protection mode can make people difficult to obtain necessary information in the environment, so that secondary risks are caused. Accordingly, the prior art is yet to be improved and developed.

Disclosure of Invention

The invention aims to provide a screen noise earphone which is reasonable in structure, capable of protecting personnel health, capable of considering strain capacity and flexible to use, aiming at the defects and shortcomings of the prior art.

In order to achieve the purpose, the invention adopts the following technical scheme:

the invention discloses a noise-shielding earphone which comprises a hanging piece, wherein shielding assemblies are arranged at two ends of the hanging piece respectively, each shielding assembly comprises a shielding earmuff, a radio recorder, a voice control module and an energy charging module, the radio recorders are connected with the shielding earmuffs in a matched mode, and a microphone connected with the voice control module is arranged in each radio recorder; the voice control module can filter audio signals in a set range and amplify the audio signals in a specific range, a communication module and a power amplification unit are arranged on the voice control module, and the energy charging module is electrically connected with the voice control module; the emergency communication system further comprises an emergency unit, and the communication module is connected with the emergency unit in a wireless communication mode.

According to the scheme, the radio recorder is of a tubular structure, one end of the radio recorder is fixedly connected with the shielding earmuffs, and the radio recorder can deform relative to the shielding earmuffs so as to adjust the receiving direction of the microphone.

According to the scheme, the voice control module is provided with a power amplification unit, receives audio signals in the environment through the microphone, weakens and corrects noise signals in the environment, strengthens and corrects communication signals, and outputs the corrected audio signals to the power amplification unit.

According to the scheme, the intelligent terminal is further included, the communication module is in matched connection with the intelligent terminal in a wireless communication mode, the intelligent terminal can analyze the audio signals received by the voice control module, and the noise signals are identified and distinguished, and then the frequency section where the noise signals are located is set as the weakening section.

According to the scheme, the voice control module can receive and process the audio signals between 50HZ and 14242HZ, and the voice control module can perform enhanced correction on the audio signals in the frequency range of 300HZ to 3000 HZ.

According to the scheme, the intelligent terminal can store and switch the sound control module weakening correction and strengthening correction parameters in a scene mode.

According to the scheme, be equipped with the regulation module on the shielding earmuff, the regulation module sets up on the shielding earmuff outside or pendant, and the regulation module passes through the acoustic control module of line connection.

According to the scheme, the emergency unit is provided with an SOS module and a TEST module.

According to the scheme, the infrared sensors are arranged on the shielding earmuffs.

The invention has the beneficial effects that: the voice control module has a reasonable structure, can perform targeted weakening correction according to the type of a field noise source, reduces long-term stimulation and damage of noise to personnel, enables the personnel to normally communicate in the environment, and can hear other sound sources to ensure the strain capacity.

Drawings

FIG. 1 is a schematic view of a hanger and shield assembly of the present invention;

FIG. 2 is a schematic diagram of the emergency unit of the present invention;

fig. 3 is a schematic diagram of the principle of the present invention.

In the figure:

1. hanging parts; 2. shielding earmuffs; 3. an emergency unit; 4. an intelligent terminal; 11. an energy charging module; 21. a radio recorder; 22. a voice control module; 23. a microphone; 24. an adjustment module; 221. a communication module; 222. a power amplifier unit; 31. an SOS module; 32. and a TEST module.

Detailed Description

The technical solution of the present invention is described below with reference to the accompanying drawings and examples.

As shown in fig. 1, the screen noise earphone of the present invention includes a hanging member 1, wherein two ends of the hanging member 1 are respectively provided with a shielding assembly, the shielding assembly includes a shielding ear shield 2, a radio recorder 21, a voice control module 22 and an energy charging module 11, the radio recorder 21 is connected with the shielding ear shield 2 in a matching manner, and a microphone 23 connected with the voice control module 22 is arranged in the radio recorder 21; the voice control module 22 can filter audio signals within a set range and amplify audio signals within a specific range, the voice control module 22 is provided with a communication module 221 and a power amplification unit 222, and the energy charging module 11 is electrically connected with the voice control module 22; the emergency communication system further comprises an emergency unit 3, and the communication module 221 is connected with the emergency unit 3 in a wireless communication mode. The shielding earmuffs 2 prevent workers from harming noise by establishing a partition mode, the radio recorder 21 can adjust the angle to align the direction needing attention and obtain a sound source in a specified direction, the noise volume received by the microphone 23 can be reduced, and a certain noise reduction effect is achieved. Secondly, the voice control module 22 performs noise reduction processing on the noise of the frequency band according to the characteristics of the noise source in the specific environment, so as to optimize the audio frequency and output the optimized audio frequency through the power amplification unit 222, thereby ensuring that the staff can perform normal conversation, perceive other sound information in the environment, and reducing the influence of the noise. The communication module 221 is used for being matched with the background to perform data receiving and transmitting communication, so that the working mode of the voice control module 22 can be controlled and changed by data interaction with the intelligent terminal 4, the communication module 221 can receive emergency signals sent by the emergency unit 3, and when workers cannot timely sense risks under special conditions, the emergency unit 3 is used for sending emergency alarms to prompt the workers.

The radio recorder 21 has a tubular structure, one end of the radio recorder 21 is fixedly connected with the shielding ear muffs 2, and the radio recorder 21 can deform relative to the shielding ear muffs 2 so as to adjust the receiving direction of the microphone 23. The receiving direction of the microphone 23 is limited by the recorder 21 with a tubular structure, the recorder 21 can be combined by a hard pipe section and a soft pipe section, the recorder 21 with the hard pipe section is connected with the shielding ear muff 2, and the recorder 21 with the soft pipe section aims at a direction sound source needing attention, so that the noise recorded by the microphone 23 can be reduced, the recording amount of a necessary sound source is increased to improve the noise reduction ratio, and the sound quality definition converted by the sound control module 22 is improved.

The voice control module 22 is provided with a power amplifier unit 222, the voice control module 22 receives an audio signal in an environment through the microphone 23, the voice control module 22 performs weakening correction on a noise signal therein, the voice control module 22 performs strengthening correction on a call signal, and the voice control module 22 outputs the corrected audio signal to the power amplifier unit 222. The voice control module 22 adopts a DSP digital processing chip technology, the voice control module 22 converts the audio signal into a digital signal, which is generally a single noise source in a production environment, and the sound wave frequency of the noise is fixed and regular, so that the voice control module 22 performs weakening correction on the audio digital signal of the corresponding band, and the bands where the rest of the sounds and the conversation audio in the environment are enhanced and corrected, and the corrected audio signal is subjected to noise reduction processing and then provided to a worker through the power amplification unit 222.

The intelligent voice control system further comprises an intelligent terminal 4, the communication module 221 is connected with the intelligent terminal 4 in a wireless communication mode in a matching mode, the intelligent terminal 4 can analyze the audio signals received by the voice control module 22, and the noise signals are identified and distinguished, and then the frequency section where the noise signals are located is set as a weakening section. After the shielding module collects audio information in the environment, the audio information is sent to the intelligent terminal 4 through the communication module 221, the intelligent terminal 4 can be an intelligent mobile phone, the corresponding communication module 221 is connected with the intelligent terminal 4 in a matching mode through the Bluetooth technology, and a plurality of screen noise earphones nearby can be matched with the same intelligent mobile phone. When the intelligent terminal 4 is a background server or a cloud server, the communication module 221 may be connected to the intelligent terminal 4 by using a GPS communication technology or a WIFI communication technology, so that any number of screen noise earphones are connected to the intelligent terminal 4. After acoustic control module 22 accordant connection intelligent terminal 4, at first send the audio frequency digital signal that microphone 23 received for intelligent terminal 4APP on, APP can show the digital signal that acoustic control module 22 obtained through the frequency spectrum chart mode, APP steerable and adjustment correspond the frequency spectrum and carry out noise reduction.

The voice control module 22 may receive and process audio signals between 50HZ and 14242HZ, and the voice control module 22 may perform enhanced correction on the audio signals within the frequency range of 300HZ to 3000 HZ. The audio information received by the voice control module 22 is converted into a digital signal and sent to the intelligent terminal 4, the digital signal converted by the voice control module 22 is segmented in an equal proportion, the audio signal within the range of 50HZ to 14242HZ is divided into 31 segments by 20% increment, and the specific segmentation list is as follows:

section bar	Frequency (HZ)	Section bar	Frequency (HZ)	Section bar	Frequency (HZ)	Section bar	Frequency (HZ)
								1	50	9	214.9908	17	924.4213	25	3974.842
2	60	10	257.989	18	1109.306	26	4769.811
								3	72	11	309.5868	19	1331.167	27	5723.773
4	86.4	12	371.5042	20	1597.4	28	6868.528
								5	103.68	13	445.805	21	1916.88	29	8242.233
6	124.416	14	534.966	22	2300.256	30	9890.68
								7	149.2992	15	641.9592	23	2760.307	31	11868.82
8	179.15904	16	770.3511	24	3312.369	32	14242.58

The frequency band of the normal voice call processed by the voice control module 22 is 300HZ to 3000HZ, the corresponding frequency band is 11 to 24 HZ, the frequency band can be preferentially strengthened (volume is strengthened) during initial debugging, the frequency band where a noise source is located is found out and weakened (volume is reduced), and finally the voice control module 22 provides the corrected audio signal for a worker through the power amplification unit 222.

The intelligent terminal 4 can store and switch the weakening correction and strengthening correction parameters of the voice control module 22 in a scene mode. The application scenes of the screen noise earphone are different, the corresponding noise sources are also different, the corresponding generated noise frequency ranges are different, and the set value in the scene can be stored through the intelligent terminal 4, so that the setting and the adjustment of the screen noise earphone are facilitated.

Be equipped with adjusting module 24 on the shielding ear muff 2, adjusting module 24 sets up on the shielding ear muff 2 outside or pendant 1, and adjusting module 24 passes through line connection acoustic control module 22. The adjusting module 24 corresponds to the switch, volume adjustment, mode adjustment, function setting and the like of a conventional electric product, and the adjusting module 24 is composed of a circuit control panel and a key switch.

Be equipped with SOS module 31 and TEST module 32 on the emergency unit 3, emergency unit 3 is arranged in notifying all staff who wears screen noise earphone in the scene, and under emergency, sends emergency signal through SOS module 31, and TEST module 32 is used for testing whether communication module 221 of screen noise earphone is normal under the normality, and is the same under emergency, if SOS module 31 can not in time respond to, the accessible is pressed the mode of TEST module 32 control for a long time, sends special signal as urgent suggestion, guarantees that the staff can receive the notice.

Be equipped with infrared inductor on the shielding ear muff 2, infrared inductor is used for detecting whether screen noise earphone is in wearing the state, and in setting for the time span, but infrared inductor self-closing screen noise earphone when not detecting personnel's information to reduce the loss of electric quantity.

The above description is only a preferred embodiment of the present invention, and all equivalent changes or modifications of the structure, characteristics and principles described in the present invention are included in the scope of the present invention.