CN209623854U - A kind of vibration and noise on-Line Monitor Device for subway - Google Patents
A kind of vibration and noise on-Line Monitor Device for subway Download PDFInfo
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- CN209623854U CN209623854U CN201920461228.9U CN201920461228U CN209623854U CN 209623854 U CN209623854 U CN 209623854U CN 201920461228 U CN201920461228 U CN 201920461228U CN 209623854 U CN209623854 U CN 209623854U
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- vibration
- noise
- sound pressure
- pressure sensor
- subway
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Abstract
The utility model relates to a kind of vibration and noise on-Line Monitor Devices for subway, the device and remote monitoring center wirelessly communicate, the device includes the front end wisdom centralized procurement module for being separately positioned on multiple live measuring points, the front end wisdom centralized procurement module includes sound pressure sensor, vibration acceleration sensor, outdoor video head, NI Ethernet cabinet and technical grade 4G router, the NI Ethernet cabinet passes through data collecting card and sound pressure sensor respectively, vibration acceleration sensor is connected with outdoor video head, and it is wirelessly communicated by technical grade 4G router and remote monitoring center, the sound pressure sensor is arranged at the rail horizontal distance 700mm of outside, 50mm railway roadbed side-walls are arranged below road bed surface in the vibration acceleration sensor, compared with prior art, the utility model tool There is acquisition precision height, suitable for noise and vibration sensing region, the stability and safety that guarantee track.
Description
Technical field
The utility model relates to track noise reduction technology and vibration control technology field, more particularly, to a kind of for subway
Vibration and noise on-Line Monitor Device.
Background technique
More by people's attention, excessive noise and vibration will be serious for caused vibration and noise when running for subway train
People are influenced normally to work and rest, damage the harm such as physically and mentally healthy, reduction working efficiency.When train speed is met or exceeded
When certain critical speed, subway causes the judder of track structure by surface wave is induced, and consequence is to influence subway circulation
Safety and comfort will cause the harm such as damage, the train derailing of track structure when serious.Meanwhile passing through ballast and roadbed
Propagation will also cause judder and the structural noise of track circuit surrounding building, noise radiation can to building along the line and
Residential block makes a big impact.The vibration and noise data during metro operation are obtained in real time, realize week life-cycle of subway
The monitoring of phase ensures that the stable operation of metro safety, optimization subway system are set for formulating reasonable vibration and noise reducing measure in time
Meter has important theory and engineering real value.
For the noise and vibration problem of current subway, only regularly it is monitored and checks.There is no complete set
System carries out round-the-clock on-line monitoring and acquisition to the vibration and noise of subway, so that the data information of acquisition is sufficiently complete,
There is a certain error, cannot timely adopt an effective measure.
Utility model content
The purpose of this utility model is exactly to provide a kind of for subway to overcome the problems of the above-mentioned prior art
Vibration and noise on-Line Monitor Device.
The purpose of this utility model can be achieved through the following technical solutions:
A kind of vibration and noise on-Line Monitor Device for subway, the device and remote monitoring center wirelessly communicate, should
Device includes the front end wisdom centralized procurement module for being separately positioned on multiple live measuring points, and the front end wisdom centralized procurement module includes sound
Pressure sensor, vibration acceleration sensor, outdoor video head, NI Ethernet cabinet and technical grade 4G router, the NI with
Too net cabinet passes through data collecting card respectively and connect with sound pressure sensor, vibration acceleration sensor and outdoor video head, and
It is wirelessly communicated by technical grade 4G router and remote monitoring center, the sound pressure sensor is arranged apart from outside rail water
At flat distance 700mm, 50mm railway roadbed side-walls are arranged below road bed surface in the vibration acceleration sensor.
Preferably, the sound pressure sensor is INV9208 ICP formula sound pressure sensor.
Preferably, the vibration acceleration sensor is 50g PCB type piezoelectric transducer.
Preferably, the outdoor video head is MJSX02CM millet holder version video camera.
Preferably, the data collecting card is NI9234 data collecting card.
Preferably, the NI Ethernet cabinet is interior equipped with NI cDAQ-9188 Acquisition Instrument, the NI cDAQ-
9188 Acquisition Instruments pass through data collecting card respectively and connect with sound pressure sensor, vibration acceleration sensor and outdoor video head, and
And it is connect by wireless data transparent transmission module with technical grade 4G router.
Preferably, the technical grade 4G router is F3X26 technical grade 4G router.
Preferably, described multiple live measuring points are arranged on subway line in noise and vibration sensing region, including
Station platform, public space in dormitory, residential block and factory area.
Preferably, the remote monitoring center includes Data Management Analysis center and monitoring center, to carry out data
Processing, displaying, hurt identification and early warning.
Compared with prior art, the utility model has the advantage that
The utility model is by laying front end wisdom centralized procurement mould to noise and vibration sensing region on every subway line
Block, so that it includes that station platform, public space in dormitory, residential block and factory etc. need strict control to vibrate that test point, which is related to region,
With the region of noise so that the vibration and noise data of acquisition can reflect the monolithic stability situation of monitored track comprehensively,
And the data information precision of acquisition is high, and it can be reasonably noise reduction measure to be taken to provide data supporting, to determine track structure
Maintenance and maintenance provide scientific basis, have important value to the stability and safety that guarantee track.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the distributed architecture schematic diagram of live measuring point.
Figure label is schematically as follows:
1, socket；2, NI9234 capture card；3, NI cDAQ-9188 control cabinet；4 technical grade 4G routers；5, long-range control
Switch；6, antenna.
Specific embodiment
The utility model is described in detail in the following with reference to the drawings and specific embodiments.
Embodiment:
As illustrated in fig. 1 and 2, the present embodiment provides a kind of vibration and noise on-Line Monitor Device for subway, the devices
By laying front end wisdom centralized procurement module to noise and vibration sensing region on every subway line, so that test point is related to area
Domain includes the region that station platform, public space in dormitory, residential block and factory etc. need strict control vibration and noise.Wherein make an uproar
Sonic transducer is arranged at the rail horizontal distance 700mm of outside, and vibration acceleration sensor is arranged in bed surface or less
50mm railway roadbed side-walls.
In the present embodiment:
Front end wisdom centralized procurement module includes noise transducer, vibration acceleration sensor, outdoor video head, sensing device with
The connection of multiple-grooved Ethernet cabinet signal, multiple-grooved Ethernet cabinet contain multiple 9234 data collecting cards of NI and NI cDAQ-9188
Acquisition Instrument.Noise transducer, vibration acceleration sensor are by the vibration and noise signal of acquisition by the NI9234 in too net cabinet
It after the acquisition of data collecting card data summarizes, then is transmitted to NI cDAQ-9188 Acquisition Instrument and carries out data preparation analysis, by wireless
Data module sends remote monitoring center to and carries out data storage and Forewarn evaluation.
The preferred 50g PCB type piezoelectric transducer of vibration acceleration sensor, because 50g PCB type piezoelectric transducer can
Vibration parameters analog quantity is converted directly into transmittable normalization output signal, and for a wide range of applications, the acquisition model of temperature
Enclosing can be at -54~+121 DEG C, and humidity range can be 0%~98%.
Noise transducer selects INV9208 high-precision ICP formula sound pressure sensor, because the sound pressure sensor of the model has
Most excellent acoustical behavior and long-time stability in domestic similar product, and high, low in energy consumption, the use environment temperature model with precision
Enclose the advantages that wide, stable and reliable in work.
Visible in summary: the utility model is by laying prison to noise and vibration sensing region on every subway line
Module is surveyed, so that it includes that station platform, public space in dormitory, residential block and factory etc. need strict control that test point, which is related to region,
The region of vibration and noise, so that the vibration and noise data of acquisition can reflect the monolithic stability feelings of monitored track comprehensively
Condition, and the data information precision acquired is high, it can be reasonably noise reduction measure to be taken to provide data supporting, to determine track structure
Maintenance and maintenance provide scientific basis, to guarantee track stability and safety have important value.
It is last it is necessarily pointed out that: the foregoing is merely the preferable specific embodiments of the utility model, but this
The protection scope of utility model is not limited thereto, and anyone skilled in the art discloses in the utility model
In technical scope, any changes or substitutions that can be easily thought of, should be covered within the scope of the utility model.
Claims (8)
1. a kind of vibration and noise on-Line Monitor Device for subway, the device and remote monitoring center wirelessly communicate, special
Sign is that the device includes the front end wisdom centralized procurement module for being separately positioned on multiple live measuring points, the front end wisdom centralized procurement
Module includes sound pressure sensor, vibration acceleration sensor, outdoor video head, NI Ethernet cabinet and technical grade 4G router,
The NI Ethernet cabinet passes through data collecting card and sound pressure sensor, vibration acceleration sensor and outdoor video head respectively
Connection, and wirelessly communicated by technical grade 4G router and remote monitoring center, the sound pressure sensor is arranged in distance
At the rail horizontal distance 700mm of outside, 50mm railway roadbed side-walls are arranged below road bed surface in the vibration acceleration sensor.
2. a kind of vibration and noise on-Line Monitor Device for subway according to claim 1, which is characterized in that described
Sound pressure sensor be INV9208 ICP formula sound pressure sensor.
3. a kind of vibration and noise on-Line Monitor Device for subway according to claim 1, which is characterized in that described
Vibration acceleration sensor be 50g PCB type piezoelectric transducer.
4. a kind of vibration and noise on-Line Monitor Device for subway according to claim 1, which is characterized in that described
Outdoor video head be MJSX02CM millet holder version video camera.
5. a kind of vibration and noise on-Line Monitor Device for subway according to claim 1, which is characterized in that described
Data collecting card be NI9234 data collecting card.
6. a kind of vibration and noise on-Line Monitor Device for subway according to claim 5, which is characterized in that described
NI Ethernet cabinet be it is interior be equipped with NI cDAQ-9188 Acquisition Instrument, the NI cDAQ-9188 Acquisition Instrument passes through data respectively
Capture card is connect with sound pressure sensor, vibration acceleration sensor and outdoor video head, and passes through wireless data transparent transmission module
It is connect with technical grade 4G router.
7. a kind of vibration and noise on-Line Monitor Device for subway according to claim 1, which is characterized in that described
Technical grade 4G router be F3X26 technical grade 4G router.
8. a kind of vibration and noise on-Line Monitor Device for subway according to claim 1, which is characterized in that described
Multiple live measuring points be arranged on subway line in noise and vibration sensing region, including in station platform, public activity
The heart, residential block and factory area.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920461228.9U CN209623854U (en) | 2019-04-08 | 2019-04-08 | A kind of vibration and noise on-Line Monitor Device for subway |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920461228.9U CN209623854U (en) | 2019-04-08 | 2019-04-08 | A kind of vibration and noise on-Line Monitor Device for subway |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209623854U true CN209623854U (en) | 2019-11-12 |
Family
ID=68458382
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920461228.9U Expired - Fee Related CN209623854U (en) | 2019-04-08 | 2019-04-08 | A kind of vibration and noise on-Line Monitor Device for subway |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209623854U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110031084A (en) * | 2019-04-08 | 2019-07-19 | 上海工程技术大学 | A kind of vibration and noise on-Line Monitor Device and method for subway |
| CN111609888A (en) * | 2020-06-08 | 2020-09-01 | 南京铁道职业技术学院 | Monitoring facility for subway |
-
2019
- 2019-04-08 CN CN201920461228.9U patent/CN209623854U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110031084A (en) * | 2019-04-08 | 2019-07-19 | 上海工程技术大学 | A kind of vibration and noise on-Line Monitor Device and method for subway |
| CN111609888A (en) * | 2020-06-08 | 2020-09-01 | 南京铁道职业技术学院 | Monitoring facility for subway |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191112 |
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| CF01 | Termination of patent right due to non-payment of annual fee |