CN109584857A - A kind of metro noise intelligence control system - Google Patents
A kind of metro noise intelligence control system Download PDFInfo
- Publication number
- CN109584857A CN109584857A CN201811473172.5A CN201811473172A CN109584857A CN 109584857 A CN109584857 A CN 109584857A CN 201811473172 A CN201811473172 A CN 201811473172A CN 109584857 A CN109584857 A CN 109584857A
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- Prior art keywords
- noise
- module
- compartment
- control system
- metro
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/175—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound
- G10K11/178—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
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- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
Abstract
The invention discloses a kind of metro noise intelligence control systems, include control module, acquisition module and noise reduction module, and the control module is electrically connected acquisition module and noise reduction module；The acquisition module is arranged in platform floor, for acquiring the noise information of wheel track frictional vibration radiation；The noise reduction module is arranged in platform floor and/or compartment seats bottom, for issuing the sound offset with wheel track frictional vibration radiated noise.Acquisition module is provided in the noise path that wheel track frictional vibration radiates in the present invention, the noise information that control module is collected by acquisition module, calculate the information such as frequency and the amplitude of noise, and signal is sent to noise reduction module, noise reduction module issues " antinoise " with noise signal with frequency with width but opposite in phase, noise is cancelled out each other with " antinoise ", to reduce the noise of the wheel track frictional vibration radiation received in compartment.
Description
Technical field
The invention belongs to active noise reduction techniques fields, and in particular to a kind of metro noise intelligence control system.
Background technique
Existing subway noise cancellation technology is concentrated mainly on the car wheel structure of change vehicle, relevant track structure, stabilization button
In terms of part and body construction, noise cancellation technology in these areas need to modify to underground railway track structure and body construction, for
For the existing underground route built up, it is larger to improve de-noising environmental cost.And subway noise cancellation technology is about " antinoise " technology
Aspect is used also fewer, and in this novel noise-eliminating method, the U.S. wishes lattice and has been able to than professor through antinoise skill
Art successfully disposes the low-frequency noise vibration of large-scale diesel engine.But since the low-frequency noise of diesel engine is relatively more fixed, and
Noise situations inside subway carriage are more complicated, and train wheel track noise is by train speed and track Curvature Effect, such as
Fruit needs to carry out the necessary individually designed noise control system of subway de-noising using this antinoise technology, and the prior art also lacks
Few monitoring in real time controls and needs to be improved to the noise cancellation technology of high-frequency noise.
To solve the above problems, the present invention provides a kind of metro noise intelligence control system, the present invention is mainly exactly to mention
A kind of use about " antinoise " noise cancellation technology out, the control system can effectively reduce the radiation of wheel track frictional vibration
Noise reduces the noise inside compartment, and improves interior environment.
Summary of the invention
The purpose of the present invention is to provide a kind of metro noise intelligence control systems, to solve to propose in above-mentioned background technique
The problem of.
To achieve the above object, the invention provides the following technical scheme: a kind of metro noise intelligence control system, includes
Control module, acquisition module and noise reduction module, the control module are electrically connected acquisition module and noise reduction module；
The acquisition module is arranged in platform floor, for acquiring the noise information of wheel track frictional vibration radiation；
The noise reduction module is arranged in platform floor and/or compartment seats bottom, for issuing and the friction of wheel track
The sound of vibration radiation noise cancellation.
Preferably, compartment inner top is additionally provided with acquisition module, for acquiring the noise information of interior.
Preferably, the acquisition module includes noise transducer, the model TZ-2KA of the noise transducer.
Preferably, the noise reduction module includes the first loudspeaker, the model ESE8 of first loudspeaker.
It preferably, further include having compartment speaker module, the compartment speaker module is electrically connected control module, the compartment
Speaker module includes the second loudspeaker that music is played in oriented compartment.
It preferably, further include having display module, the display module is electrically connected control module, and the display module is used for
Display noise information.
Preferably, the display module is mounted in compartment and/or Train Control room；
The noise information in compartment where display module in compartment is used to show；
The indoor display module of Train Control is used to show the noise information in all compartments.
It preferably, further include having alarm modules, the alarm modules are electrically connected control module, the alarm modules installation
In Train Control room；
For carrying out alarm when the collected noise information exception in some compartment.
The utility model has the advantages that
(1) a kind of metro noise intelligence control system of the invention, wheel track frictional vibration radiation noise path on
It is provided with acquisition module, the noise information that control module is collected by acquisition module calculates frequency and amplitude of noise etc.
Information, and signal is sent to noise reduction module, noise reduction module issues " antinoise " with noise signal with frequency with width but opposite in phase,
Noise is cancelled out each other with " antinoise ", to reduce the noise of the wheel track frictional vibration radiation received in compartment.
(2) a kind of metro noise intelligence control system of the invention, compartment speaker module are used to play music into compartment,
The information such as music track and intensity are adjustable, while not enhancing internal car noise, reduce passenger for the sensitivity of noise
Degree, so that passenger can experience good environment by bus.
(3) a kind of metro noise intelligence control system of the invention, display module are used for display noise information, are convenient for train
Member and passenger are better understood by real-time noise situations；Alarm modules are used for when the collected noise information exception in some compartment
Alarm is carried out, quick action can be carried out to burst accident convenient for attendant, improve safety coefficient.
Detailed description of the invention
Fig. 1 is present system structural block diagram.
Fig. 2 is noise reduction module schematic view of the mounting position in the present invention.
Specific embodiment
Embodiments of the present invention will be further described below with reference to the accompanying drawings.
As shown in Figs. 1-2, a kind of metro noise intelligence control system includes control module, acquisition module and noise reduction mould
Block, the control module are electrically connected acquisition module and noise reduction module；
The acquisition module is arranged in platform floor, for acquiring the noise information of wheel track frictional vibration radiation；
The noise reduction module is arranged in platform floor and/or compartment seats bottom, for issuing and the friction of wheel track
The sound of vibration radiation noise cancellation.
Compartment inner top is additionally provided with acquisition module, for acquiring the noise information of interior.
The acquisition module includes noise transducer, the model TZ-2KA of the noise transducer.
The noise reduction module includes the first loudspeaker, the model ESE8 of first loudspeaker.
It further include having compartment speaker module, the compartment speaker module is electrically connected control module, the compartment sound equipment mould
Block includes the second loudspeaker that music is played in oriented compartment.
It further include having display module, the display module is electrically connected control module, and the display module is made an uproar for showing
Acoustic intelligence.
The display module is mounted in compartment and/or Train Control room；
The noise information in compartment where display module in compartment is used to show；
The indoor display module of Train Control is used to show the noise information in all compartments.
It further include having alarm modules, the alarm modules are electrically connected control module, and the alarm modules are mounted on train
Control room；
For carrying out alarm when the collected noise information exception in some compartment.
The working principle of the present embodiment: train is in traveling, wheel track frictional vibration and radiated noise, in noise spoke
Acquisition module is provided on rays diameter, the noise information that control module is collected by acquisition module calculates the frequency of noise
And the information such as amplitude, and noise reduction module is given to send signal, noise reduction module is issued with noise signal with frequency with width but opposite in phase
" antinoise ", noise are cancelled out each other with " antinoise ", to reduce the wheel track frictional vibration radiation received in compartment
Noise.
A kind of metro noise intelligence control system of the invention, compartment speaker module is for playing music, sound into compartment
The information such as melody mesh and intensity are adjustable, while not enhancing internal car noise, reduce passenger for the susceptibility of noise,
To which passenger can experience good environment by bus.
A kind of metro noise intelligence control system of the invention, display module are used for display noise information, are convenient for attendant
Real-time noise situations are better understood by with passenger；Alarm modules be used for when the collected noise information exception in some compartment into
Row alarm can carry out quick action to burst accident convenient for attendant, improve safety coefficient.
Specific embodiments of the present invention are described in detail above, but it is merely an example, the present invention is simultaneously unlimited
It is formed on above description specific embodiment.To those skilled in the art, the equivalent modifications and replace that any couple of present invention carries out
In generation, is also all among scope of the invention.Therefore, without departing from the spirit and scope of the invention made by equal transformation and repair
Change, all covers within the scope of the present invention.
Claims (8)
1. a kind of metro noise intelligence control system, it is characterised in that:
It include control module, acquisition module and noise reduction module, the control module is electrically connected acquisition module and noise reduction module；
The acquisition module is arranged in platform floor, for acquiring the noise information of wheel track frictional vibration radiation；
The noise reduction module is arranged in platform floor and/or compartment seats bottom, for issuing and wheel track frictional vibration
The sound that radiated noise is offset.
2. a kind of metro noise intelligence control system according to claim 1, it is characterised in that:
Compartment inner top is additionally provided with acquisition module, for acquiring the noise information of interior.
3. a kind of metro noise intelligence control system according to claim 2, it is characterised in that:
The acquisition module includes noise transducer, the model TZ-2KA of the noise transducer.
4. a kind of metro noise intelligence control system according to claim 1, it is characterised in that:
The noise reduction module includes the first loudspeaker, the model ESE8 of first loudspeaker.
5. a kind of metro noise intelligence control system according to claim 1, it is characterised in that:
It further include having compartment speaker module, the compartment speaker module is electrically connected control module, the compartment speaker module packet
Include the second loudspeaker that music is played in oriented compartment.
6. a kind of metro noise intelligence control system according to claim 1, it is characterised in that:
It further include having display module, the display module is electrically connected control module, and the display module is believed for display noise
Breath.
7. a kind of metro noise intelligence control system according to claim 6, it is characterised in that:
The display module is mounted in compartment and/or Train Control room；
The noise information in compartment where display module in compartment is used to show；
The indoor display module of Train Control is used to show the noise information in all compartments.
8. a kind of metro noise intelligence control system according to claim 1, it is characterised in that:
It further include having alarm modules, the alarm modules are electrically connected control module, and the alarm modules are mounted on Train Control
Room；
For carrying out alarm when the collected noise information exception in some compartment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811473172.5A CN109584857A (en) | 2018-12-04 | 2018-12-04 | A kind of metro noise intelligence control system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811473172.5A CN109584857A (en) | 2018-12-04 | 2018-12-04 | A kind of metro noise intelligence control system |
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| CN109584857A true CN109584857A (en) | 2019-04-05 |
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| CN201811473172.5A Pending CN109584857A (en) | 2018-12-04 | 2018-12-04 | A kind of metro noise intelligence control system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113427959A (en) * | 2021-06-25 | 2021-09-24 | 湖南翰坤实业有限公司 | Adsorption equipment is kept apart to car noise |
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| JP3556073B2 (en) * | 1997-06-16 | 2004-08-18 | 新キャタピラー三菱株式会社 | Noise level alarm device, noise level alarm method, and noise source provided with the alarm device |
| CN104616662A (en) * | 2015-01-27 | 2015-05-13 | 中国科学院理化技术研究所 | Active noise reduction method and device |
| CN105449934A (en) * | 2015-11-23 | 2016-03-30 | 珠海格力电器股份有限公司 | Motor noise reduction system and method and range hood |
| CN108156555A (en) * | 2016-12-02 | 2018-06-12 | 中车株洲电力机车研究所有限公司 | A kind of train active noise reduction system and method |
| CN208171431U (en) * | 2018-03-29 | 2018-11-30 | 广州华工机动车检测技术有限公司 | A kind of portable mobile wireless internal car noise detection system |
-
2018
- 2018-12-04 CN CN201811473172.5A patent/CN109584857A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3556073B2 (en) * | 1997-06-16 | 2004-08-18 | 新キャタピラー三菱株式会社 | Noise level alarm device, noise level alarm method, and noise source provided with the alarm device |
| CN104616662A (en) * | 2015-01-27 | 2015-05-13 | 中国科学院理化技术研究所 | Active noise reduction method and device |
| CN105449934A (en) * | 2015-11-23 | 2016-03-30 | 珠海格力电器股份有限公司 | Motor noise reduction system and method and range hood |
| CN108156555A (en) * | 2016-12-02 | 2018-06-12 | 中车株洲电力机车研究所有限公司 | A kind of train active noise reduction system and method |
| CN208171431U (en) * | 2018-03-29 | 2018-11-30 | 广州华工机动车检测技术有限公司 | A kind of portable mobile wireless internal car noise detection system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113427959A (en) * | 2021-06-25 | 2021-09-24 | 湖南翰坤实业有限公司 | Adsorption equipment is kept apart to car noise |
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