CN211654299U - Device mounted on high-speed rail seat and used for shielding passenger noise - Google Patents
Device mounted on high-speed rail seat and used for shielding passenger noise Download PDFInfo
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- CN211654299U CN211654299U CN201922427578.6U CN201922427578U CN211654299U CN 211654299 U CN211654299 U CN 211654299U CN 201922427578 U CN201922427578 U CN 201922427578U CN 211654299 U CN211654299 U CN 211654299U
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Abstract
The utility model belongs to the technical field of the noise processing, more specifically relates to an install and be used for passenger's device of shielding noise on high-speed railway seat. The system comprises a noise detection module, an intelligent calculation module, a virtual interference sound barrier module, an energy management module, a network transmission module, a storage background module and a background management module. The noise detection module is used for detecting the transmission direction of noise, intensity and frequency; the intelligent calculation module is used for receiving the current signal sent by the noise detection module, converting the current signal into a digital signal, calculating the interference sound intensity and frequency, converting the calculation result into a current signal and transmitting the current signal to the virtual interference sound barrier module; the virtual interference sound barrier module is used for sending interference sound waves according to the current signals transmitted by the intelligent computing module; the utility model discloses a device is installed on the passenger seat in high-speed railway passenger seat carriage to passenger's noise in shielding railway high-speed railway operation noise and the carriage provides comfortable, safe environment by bus for the high-speed railway passenger.
Description
Technical Field
The utility model belongs to the technical field of the noise processing, more specifically relates to an install and be used for passenger's device of shielding noise on high-speed railway seat.
Background
The railway mileage in China exceeds 13 kilometers, wherein the high-speed rail mileage exceeds 3 kilometers. Railway transportation supports the rapid development of national economy in China and also greatly promotes the improvement of the living standard of people. The railway brings some environmental problems while facilitating people along the railway. The noise is relatively serious environmental pollution in a high-speed railway carriage, and due to various noises caused by high-speed running of a train, the riding comfort is seriously influenced, so that passengers cannot rest quietly, the visual nerves of the passengers are seriously injured, a series of adverse physiological symptoms such as insomnia, neurasthenia, unstable blood pressure and the like are generated, and psychological stress, emotional dysphoria, slow reaction and the like can be generated.
The traditional noise reduction adopts a passive noise reduction processing mode. Passive noise reduction includes sound insulation, sound absorption, vibration and noise reduction. Noise insulation and reduction, namely, arranging a sound insulation device between a sound source and a receiver, such as using sound insulation glass on a window of a carriage; sound absorption and noise reduction, namely, equipment with a sound absorption function is placed and used in a space, and if sound insulation boards with a good sound absorption effect are selected to be installed along a railway passing through a residential area; the shock absorption and noise reduction are realized, namely a rough boundary is used for replacing a smooth boundary, and the strong reflection of sound waves is avoided, for example, on the wall of a train tunnel. The single mode of making an uproar of falling can realize making an uproar of falling of a certain kind of sound source or some position sound sources, and the combination uses the multiple mode of making an uproar of falling then can make good use of the strong points and avoid the weak points, realizes better interior sound travelling comfort effect of carriage. However, the frequency range of the conventional passive noise reduction processing method for removing noise is relatively fixed, and the noise removal intensity cannot well adapt to the requirement of environmental change.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an overcome the defect among the above-mentioned prior art, provide one kind and install the device that is used for passenger shielding noise on the high-speed railway seat, install on the passenger seat in high-speed railway passenger seat carriage to shield passenger's noise in railway high-speed railway operation noise and the carriage, provide comfortable, safe environment by bus for the high-speed railway passenger.
In order to solve the technical problem, the utility model discloses a technical scheme is: a device installed on a high-speed rail seat and used for shielding noise of passengers comprises a noise detection module, an intelligent calculation module, a virtual interference sound barrier module, an energy management module, a network transmission module, a storage background module and a background management module;
the noise detection module is used for detecting the noise transmission direction, the intensity and the frequency, converting a noise signal into a current signal and transmitting the current signal to the intelligent calculation module;
the intelligent calculation module is used for receiving the current signal sent by the noise detection module, converting the current signal into a digital signal, calculating the interference sound intensity and frequency, converting the calculation result into a current signal and transmitting the current signal to the virtual interference sound barrier module; meanwhile, data are transmitted to a background management module; the background management module is a computer application software module, and a user can realize remote management and control of the device through the application software.
The virtual interference sound barrier module is used for sending interference sound waves according to the current signals transmitted by the intelligent computing module.
The network transmission module is respectively connected with the intelligent computing module and the background management module and is used for realizing data transmission between the intelligent computing module and the background management module.
The storage background module is respectively connected with the noise detection module, the intelligent calculation module, the virtual interference sound barrier module and the background management module and is used for storing log data; the data storage background module is a background database system and is used for storing and managing log data and the like which are collected by the device and sent to a background.
The energy management module is used for providing power for the whole device. The energy management module is used for carrying out power supply management on the device. The electric energy required by the device can be realized by adopting various forms such as direct power supply and the like. In order to realize the energy-saving effect, when no passenger takes the seat or the noise is lower than a preset threshold value, the device can enter a dormant state, and when the noise reaches a certain intensity, the device is automatically started.
The utility model discloses in, noise shield assembly mainly installs on the seat in the high-speed railway carriage, according to specific circumstances, selects the position of specific installation.
The system further comprises a self-checking module, wherein the self-checking module is respectively connected with the background management module and the intelligent computing module and is used for self-checking the system and reporting the system running data to the background management module, and the self-checking module is also connected with the storage background module. The system self-checking module provides automatic monitoring of the system running state for the device, is used for discovering and processing system faults and errors, and can discover the system faults in real time. System operational data may be written to the system log for data mining and analysis.
Furthermore, the noise detection module comprises a plurality of microphone noise sensors, and the plurality of microphone noise sensors form different arrays according to the requirement of noise detection precision. The noise monitoring module consists of an array of microphone noise sensors. Different microphone sensor array schemes may be employed depending on the accuracy requirements of the noise detection. For example, a 4 x 4 array, a 4 x 8 array, etc. may be used. The spatial distribution between the microphone noise sensors may be adjusted in conjunction with the passenger seat mounting locations within the train car. The noise detection module obtains data such as the direction, intensity, frequency of noise propagation in the high-speed railway carriage through calculation, and sends the data to the intelligent calculation module after discretizing.
Preferably, the microphone noise sensor is an infrasonic wave sensor. In order to improve the acquisition precision, for infrasonic waves with lower frequency, a special infrasonic wave sensor can be adopted to acquire related noise data.
Furthermore, the intelligent computing module is composed of a DSP chip. The intelligent computing module is composed of a DSP chip, and on the basis of fusion data such as noise signal intensity and frequency monitored by the noise acquisition module, the intelligent computing module obtains core data models such as intensity, frequency and emission angle required by the emission of interference sound through real-time computing based on a neural network model, and sends model computing results to the virtual interference sound barrier module.
Furthermore, the virtual interference sound barrier module comprises a plurality of loudspeakers for emitting interference sound, and the loudspeakers form different arrays according to the requirement of noise interference precision. The virtual interference sound barrier module is based on the mutual interference principle between sound waves, and adopts a physical wave interference mode to interfere the noise near the seats of the high-speed rail car. In order to emit interference sound waves with opposite directions, same frequency and similar intensity with noise, a horn array can be adopted, and the noise sound waves are interfered by a mode that a plurality of horns emit the interference sound waves, so that the purpose of noise reduction is achieved. According to the different requirements of noise interference precision, different loudspeaker array schemes can be adopted. For example, a 4 x 4 array, a 4 x 8 array, etc. may be used. The spatial distribution among the loudspeakers can be adjusted by combining the installation positions of passenger seats in the train carriage, and can also be realized by adopting the loudspeakers with different powers.
Further, the network transmission module adopts a wireless transmission mode, including 3G, 4G, and 5G, WIFI. The network transmission module transmits the data of system operation to the data center of the background in a wireless mode, such as 3G, 4G, 5G and other network channels, and can receive the control instruction of the background of the system.
The utility model discloses data communication and conversion flow between each module of device are as follows:
first step, the noise signal near high-speed railway seat is gathered to microphone noise sensor array to convert noise signal into the electric current, transmit electric current signal to intelligent computing module through the wire.
And secondly, converting the current signal sent by the microphone noise sensor into a digital signal by the intelligent calculation module, and identifying the noise intensity and frequency change. And relevant parameters are sent to a core computing module of the intelligent computing module, the computing module computes interference sound intensity and frequency according to input signal intensity, and after the computing result is converted into a current signal, the current signal is sent to the virtual interference sound barrier module. And meanwhile, the signals are copied to a background management module for historical data analysis.
And thirdly, after receiving the current signal of the intelligent computing module, the virtual interference module amplifies the signal through an amplifier, drives an interference module, namely a loudspeaker of a loudspeaker array, and emits interference sound.
Compared with the prior art, the beneficial effects are: the utility model provides a device for shielding noise of passengers, which is arranged on a high-speed rail seat, adopts an active noise reduction mode, adopts an artificial intelligence calculation model to realize the shielding of noise, and solves the adaptability problem which can not be solved by passive noise reduction; the device can be widely applied to business seats and first-class seats of high-speed rails or common trains needing quiet environments, and has good adaptability; the device is not limited by time and space and is flexible to install.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic view of the structural framework of the present invention.
Detailed Description
The drawings are for illustrative purposes only and are not to be construed as limiting the invention; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The positional relationships depicted in the drawings are for illustrative purposes only and are not to be construed as limiting the invention.
Example 1:
as shown in fig. 1 and 2, a device for shielding noise of passengers, which is installed on a high-speed rail seat, is characterized by comprising a noise detection module, an intelligent calculation module, a virtual interference sound barrier module, an energy management module, a network transmission module, a storage background module and a background management module;
the noise detection module is used for detecting the noise transmission direction, the intensity and the frequency, converting a noise signal into a current signal and transmitting the current signal to the intelligent calculation module;
the intelligent calculation module is used for receiving the current signal sent by the noise detection module, converting the current signal into a digital signal, calculating the interference sound intensity and frequency, converting the calculation result into a current signal and transmitting the current signal to the virtual interference sound barrier module; meanwhile, data are transmitted to a background management module; the background management module is a computer application software module, and a user can realize remote management and control of the device through the application software.
The virtual interference sound barrier module is used for sending interference sound waves according to the current signals transmitted by the intelligent computing module.
The network transmission module is respectively connected with the intelligent computing module and the background management module and is used for realizing data transmission between the intelligent computing module and the background management module.
The storage background module is respectively connected with the noise detection module, the intelligent calculation module, the virtual interference sound barrier module and the background management module and is used for storing log data; the data storage background module is a background database system and is used for storing and managing log data and the like which are collected by the device and sent to a background.
The energy management module is used for providing power for the whole device. The energy management module is used for carrying out power supply management on the device. The electric energy required by the device can be realized by adopting various forms such as direct power supply and the like. In order to realize the energy-saving effect, when no passenger takes the seat or the noise is lower than a preset threshold value, the device can enter a dormant state, and when the noise reaches a certain intensity, the device is automatically started.
In one embodiment, the system further comprises a self-checking module, the self-checking module is respectively connected with the background management module and the intelligent computing module and used for self-checking the system and reporting the system operation data to the background management module, and the self-checking module is further connected with the storage background module. The system self-checking module provides automatic monitoring of the system running state for the device, is used for discovering and processing system faults and errors, and can discover the system faults in real time. System operational data may be written to the system log for data mining and analysis.
In some embodiments, the noise detection module includes a plurality of microphone noise sensors organized into different arrays based on noise detection accuracy requirements. The noise monitoring module consists of an array of microphone noise sensors. Different microphone sensor array schemes may be employed depending on the accuracy requirements of the noise detection. For example, a 4 x 4 array, a 4 x 8 array, etc. may be used. The spatial distribution between the microphone noise sensors may be adjusted in conjunction with the passenger seat mounting locations within the train car. The noise detection module obtains data such as the direction, intensity, frequency of noise propagation in the high-speed railway carriage through calculation, and sends the data to the intelligent calculation module after discretizing.
In another embodiment, the microphone noise sensor is an infrasonic sensor. In order to improve the acquisition precision, for infrasonic waves with lower frequency, a special infrasonic wave sensor can be adopted to acquire related noise data.
In some embodiments, the intelligent computing module is comprised of a DSP chip. The intelligent computing module is composed of a DSP chip, and on the basis of fusion data such as noise signal intensity and frequency monitored by the noise acquisition module, the intelligent computing module obtains core data models such as intensity, frequency and emission angle required by the emission of interference sound through real-time computing based on a neural network model, and sends model computing results to the virtual interference sound barrier module.
In one embodiment, the virtual interference sound barrier module comprises a plurality of loudspeakers for emitting interference sound, and the plurality of loudspeakers form different arrays according to the requirement of noise interference precision. The virtual interference sound barrier module is based on the mutual interference principle between sound waves, and adopts a physical wave interference mode to interfere the noise near the seats of the high-speed rail car. In order to emit interference sound waves with opposite directions, same frequency and similar intensity with noise, a horn array can be adopted, and the noise sound waves are interfered by a mode that a plurality of horns emit the interference sound waves, so that the purpose of noise reduction is achieved. According to the different requirements of noise interference precision, different loudspeaker array schemes can be adopted. For example, a 4 x 4 array, a 4 x 8 array, etc. may be used. The spatial distribution among the loudspeakers can be adjusted by combining the installation positions of passenger seats in the train carriage, and can also be realized by adopting the loudspeakers with different powers.
In some embodiments, the network transmission module adopts a wireless transmission mode, including 3G, 4G, 5G, WIFI. The network transmission module transmits the data of system operation to the data center of the background in a wireless mode, such as 3G, 4G, 5G and other network channels, and can receive the control instruction of the background of the system.
The utility model discloses data communication and conversion flow between each module of device are as follows:
first step, the noise signal near high-speed railway seat is gathered to microphone noise sensor array to convert noise signal into the electric current, transmit electric current signal to intelligent computing module through the wire.
And secondly, converting the current signal sent by the microphone noise sensor into a digital signal by the intelligent calculation module, and identifying the noise intensity and frequency change. And relevant parameters are sent to a core computing module of the intelligent computing module, the computing module computes interference sound intensity and frequency according to input signal intensity, and after the computing result is converted into a current signal, the current signal is sent to the virtual interference sound barrier module. And meanwhile, the signals are copied to a background management module for historical data analysis.
And thirdly, after receiving the current signal of the intelligent computing module, the virtual interference module amplifies the signal through an amplifier, drives an interference module, namely a loudspeaker of a loudspeaker array, and emits interference sound.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.
It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not limitations to the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (7)
1. A device installed on a high-speed rail seat and used for shielding noises of passengers is characterized by comprising a noise detection module, an intelligent calculation module, a virtual interference sound barrier module, an energy management module, a network transmission module, a storage background module and a background management module;
the noise detection module is used for detecting the noise transmission direction, the intensity and the frequency, converting a noise signal into a current signal and transmitting the current signal to the intelligent calculation module;
the intelligent calculation module is used for receiving the current signal sent by the noise detection module, converting the current signal into a digital signal, calculating the interference sound intensity and frequency, converting the calculation result into a current signal and transmitting the current signal to the virtual interference sound barrier module; meanwhile, data are transmitted to a background management module;
the virtual interference sound barrier module is used for sending interference sound waves according to the current signals transmitted by the intelligent computing module;
the network transmission module is respectively connected with the intelligent computing module and the background management module and is used for realizing data transmission between the intelligent computing module and the background management module;
the storage background module is respectively connected with the noise detection module, the intelligent calculation module, the virtual interference sound barrier module and the background management module and is used for storing log data;
the energy management module is used for providing power for the whole device.
2. The device installed on a high-speed rail seat and used for shielding noise of passengers as claimed in claim 1, further comprising a self-checking module, wherein the self-checking module is respectively connected with the background management module and the intelligent computing module, and is used for self-checking of the system and reporting system operation data to the background management module, and the self-checking module is further connected with the storage background module.
3. The apparatus as claimed in claim 2, wherein the noise detecting module comprises a plurality of microphone noise sensors, and the plurality of microphone noise sensors are arranged in different arrays according to the requirement of noise detection accuracy.
4. The device as claimed in claim 3, wherein the microphone noise sensor is an infrasonic sensor.
5. The device for shielding noise of passenger installed on high-speed railway seat as claimed in claim 2, wherein said intelligent computing module is composed of DSP chip.
6. The apparatus as claimed in claim 2, wherein the virtual noise barrier module comprises a plurality of speakers for emitting noise, and the plurality of speakers are arranged in different arrays according to the requirement of noise interference accuracy.
7. The device for shielding noise of passengers installed on high-speed rail seats according to any one of claims 1 to 6, wherein the network transmission module adopts a wireless transmission mode, including 3G, 4G and 5G, WIFI.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201922427578.6U CN211654299U (en) | 2019-12-27 | 2019-12-27 | Device mounted on high-speed rail seat and used for shielding passenger noise |
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| CN201922427578.6U CN211654299U (en) | 2019-12-27 | 2019-12-27 | Device mounted on high-speed rail seat and used for shielding passenger noise |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114743536A (en) * | 2022-03-17 | 2022-07-12 | 浙江威特电梯有限公司 | Passenger elevator with automatic silencing lift car |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114743536A (en) * | 2022-03-17 | 2022-07-12 | 浙江威特电梯有限公司 | Passenger elevator with automatic silencing lift car |
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