CN206235390U - A kind of hand-held vibration noise measuring instrument with writing function - Google Patents
A kind of hand-held vibration noise measuring instrument with writing function Download PDFInfo
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- CN206235390U CN206235390U CN201621186018.6U CN201621186018U CN206235390U CN 206235390 U CN206235390 U CN 206235390U CN 201621186018 U CN201621186018 U CN 201621186018U CN 206235390 U CN206235390 U CN 206235390U
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Abstract
The utility model discloses a kind of hand-held vibration noise measuring instrument with writing function, including hand-held chassis earphone and active noise reduction earphone, hand-held chassis earphone and the active noise reduction earphone are connected with power supply/data processing module respectively, hand-held chassis earphone is used for acquisition noise signal, and the active noise reduction earphone is used to monitor in real time the noise signal of collection；Power supply/the data processing module includes processing unit, filter unit, D/A conversion unit and data storage cell.The utility model can in real time monitor the noise signal of hand-held chassis earphone collection by setting active noise reduction earphone, be easy to user that quickly and easily noise or abnormal sound are positioned and tested, and noise source is found in time；By setting data storage cell, can be by detection data storage in storage element, being user-friendly for real-time playback, data derives, in order to being positioned to noise or abnormal sound and being tested, confirm noise source.
Description
Technical field
The utility model is related to noise measuring equipment technical field, especially a kind of hand-held vibration with writing function
Noise level monitor.
Background technology
With in life, production, concern of the people to noise is more and more, and noise or abnormal sound measuring technology are in each field
With also more and more, for example：Airborne noise measurement, construct noise measurement, engine noise diagnosis, lookup noise source and acoustics
Detection of interference source etc..Chassis earphone is a kind of new noise measuring equipment, and it is quickly fixed to carry out different noise or abnormal sound
Position, by human ear can be difficult to the small noise that judges or be carried out listening to test according to user's request after abnormal sound is nursed one's health, just
In user when industry spot is tested, high efficiency and accurately noise can be carried out to listen to test, but, existing chassis
Earphone is only capable of realizing that original sound signal collection is amplified that unitary function, Scalable Performance is poor；Monitoring information can not be remembered
Record, can only onsite application, it is impossible to which monitoring information is checked.
Utility model content
The utility model provides a kind of hand-held vibration noise measuring instrument with writing function, for solving existing making an uproar
Sound detection functions of the equipments are single, can not record the problem of Monitoring Data.
In order to solve the above problems, the utility model provides a kind of hand-held vibration noise detection with writing function
Instrument, including hand-held chassis earphone and active noise reduction earphone, hand-held chassis earphone and the active noise reduction earphone are distinguished
It is connected with power supply/data processing module, hand-held chassis earphone is used for acquisition noise signal, the active noise reduction earphone is used
In the noise signal of monitoring collection in real time；Power supply/the data processing module includes processing unit, filter unit, digital-to-analogue conversion
Unit and data storage cell, the filter unit, the D/A conversion unit and the data storage cell respectively with it is described
Processing unit is connected, the power supply/data processing module by the D/A conversion unit and hand-held chassis earphone and
The active noise reduction earphone is connected.
The hand-held vibration noise measuring instrument with writing function that the utility model is provided also has following technical characteristic：
Further, hand-held chassis earphone includes signal gathering unit and signal condition unit, and the signal is adopted
It is microphone to integrate unit, and the signal gathering unit is by the signal condition unit and the power supply/data processing module phase
Even.
Further, the signal gathering unit is the microphone for being arranged on the hand-held chassis earphone end.
Further, the active noise reduction earphone includes real-time monitoring unit, the real-time monitoring unit and the power supply/
Data processing module is connected.
Further, the processing unit is microprocessor chip, and the filter unit is filtering chip.
Further, the data storage cell is SD card, and the processing unit is also associated with USB interface.
The utility model has the advantages that：By setting active noise reduction earphone, hand-held can be in real time monitored
The noise signal of chassis earphone collection, is easy to user that quickly and easily noise or abnormal sound are positioned and tested, in time hair
Existing noise source；By setting data storage cell, can be user-friendly in real time by detection data storage in storage element
Playback, data are derived, in order to being positioned to noise or abnormal sound and being tested, confirm noise source.
Brief description of the drawings
Fig. 1 is the structural representation of the hand-held vibration noise measuring instrument with writing function of the utility model embodiment
Figure.
Specific embodiment
Describe the utility model in detail below with reference to accompanying drawing and in conjunction with the embodiments.It should be noted that not rushing
In the case of prominent, the feature in embodiment and embodiment in the utility model can be mutually combined.
One embodiment of hand-held vibration noise measuring instrument with writing function of the present utility model as shown in Figure 1
In, the hand-held vibration noise measuring instrument should with writing function includes hand-held chassis earphone 10 and active noise reduction earphone 20,
Hand-held chassis earphone 10 and active noise reduction earphone 20 are connected with power supply/data processing module 30 respectively, hand-held chassis earphone
10 are used for acquisition noise signal, and active noise reduction earphone 20 is used to monitor in real time the noise signal of collection；Power supply/data processing module
30 include processing unit 31, filter unit 32, D/A conversion unit 33 and data storage cell 44, and filter unit 32, digital-to-analogue turns
Change unit 33 and data storage cell 44 to be connected with processing unit 31 respectively, power supply/data processing module 30 passes through digital-to-analogue conversion
Unit 33 is connected with hand-held chassis earphone 10 and active noise reduction earphone 20.The hand-held with writing function in the embodiment
Vibration noise measuring instrument, by setting active noise reduction earphone, can in real time monitor the noise letter of hand-held chassis earphone collection
Number, it is easy to user that quickly and easily noise or abnormal sound are positioned and tested, noise source is found in time；By setting data
Memory cell, can be by detection data storage in storage element, and being user-friendly for real-time playback, data derives, in order to
Noise or abnormal sound positioned and is tested, confirmed noise source.
In the above-described embodiments, the hand-held vibration noise measuring instrument with writing function also has following technical characteristic：
Hand-held chassis earphone 10 includes signal gathering unit and signal condition unit, and the signal gathering unit is microphone, described
Signal gathering unit is connected by the signal condition unit with the power supply/data processing module, specifically, the signal
Collecting unit is the microphone for being arranged on the end of hand-held chassis earphone 10, and chassis earphone is oriented by the microphone for having directive property
Gather the voice signal of certain sound source to be measured and be converted into analog electrical signal, analog electrical signal passes through after being processed through signal condition unit
Analog electrical signal is converted to the incoming processor unit of digital electric signal by D/A conversion unit 33, and thus user can be quickly and easily
Noise or abnormal sound are positioned and tested.Active noise reduction earphone 20 include real-time monitoring unit, the real-time monitoring unit with
Power supply/data processing module 30 is connected, specifically, the number in the real-time monitoring unit and power supply/data processing module 30
Mould converting unit 33 is connected.Processing unit 31 is microprocessor chip, and filter unit 32 is filtering chip.Data storage cell 34
It is SD card, processing unit 31 is also associated with USB interface.Hand-held vibration noise measuring instrument in the embodiment, microprocessor core
After piece receives the data signal that D/A conversion unit 33 sends, data signal is sent into filtering chip carries out noise reduction process, institute
State microprocessor chip to accept filter the data signal point two-way transmission after chip treatment, be all the way to send D/A conversion unit to
33, data signal is reconverted into analog electrical signal by D/A conversion unit and amplified, then supplied in incoming active noise reduction earphone
User listens to sound-source signal in real time；Another road be write-in data storage cell in WAV forms preserve, in order to user's reality
Shi Huifang is listened to；If USB port connects PC, the WAV audio files that will can be preserved in the SD card as data storage cell are again
It is transferred in PC and is used for subsequent analysis.
The hand-held vibration noise measuring instrument with writing function in the utility model, it is possible to achieve enter to orientation sound source
Row positioning acquisition, filtering, amplification, real-time playback, storage and data are derived, vdiverse in function, support contact (by probe reality
It is existing) and contactless two kinds of metering systems, can be widely applied to that airborne noise measurement, construct noise are measured, engine noise is examined
Detection that is disconnected, searching noise source and acoustic interference source etc., can meet environmental requirement and the fast and easy positioning requirements of industry spot.
Finally it should be noted that：Above example is only used to illustrate the technical solution of the utility model, rather than its limitations；
Although being described in detail to the utility model with reference to the foregoing embodiments, it will be understood by those within the art that：
It can still modify to the technical scheme described in foregoing embodiments, or which part technical characteristic is carried out etc.
With replacement；And these modifications or replacement, the essence of appropriate technical solution is departed from each embodiment technology of the utility model
The spirit and scope of scheme.
Claims (6)
1. a kind of hand-held vibration noise measuring instrument with writing function, it is characterised in that including hand-held chassis earphone and
Active noise reduction earphone, hand-held chassis earphone and the active noise reduction earphone are connected with power supply/data processing module respectively,
Hand-held chassis earphone is used for acquisition noise signal, and the active noise reduction earphone is used to monitor in real time the noise letter of collection
Number；Power supply/the data processing module includes processing unit, filter unit, D/A conversion unit and data storage cell, described
Filter unit, the D/A conversion unit and the data storage cell are connected with the processing unit respectively, the power supply/number
It is connected with hand-held chassis earphone and the active noise reduction earphone by the D/A conversion unit according to processing module.
2. hand-held vibration noise measuring instrument according to claim 1, it is characterised in that the hand-held chassis earphone bag
Signal gathering unit and signal condition unit are included, the signal gathering unit is microphone, and the signal gathering unit passes through institute
Signal condition unit is stated to be connected with the power supply/data processing module.
3. hand-held vibration noise measuring instrument according to claim 2, it is characterised in that the signal gathering unit is to set
Put the microphone in the hand-held chassis earphone end.
4. hand-held vibration noise measuring instrument according to claim 1, it is characterised in that the active noise reduction earphone includes
Real-time monitoring unit, the real-time monitoring unit is connected with the power supply/data processing module.
5. hand-held vibration noise measuring instrument according to claim 1, it is characterised in that the processing unit is microprocessor
Device chip, the filter unit is filtering chip.
6. hand-held vibration noise measuring instrument according to claim 1, it is characterised in that the data storage cell is SD
Card, the processing unit is also associated with USB interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621186018.6U CN206235390U (en) | 2016-11-04 | 2016-11-04 | A kind of hand-held vibration noise measuring instrument with writing function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621186018.6U CN206235390U (en) | 2016-11-04 | 2016-11-04 | A kind of hand-held vibration noise measuring instrument with writing function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206235390U true CN206235390U (en) | 2017-06-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621186018.6U Expired - Fee Related CN206235390U (en) | 2016-11-04 | 2016-11-04 | A kind of hand-held vibration noise measuring instrument with writing function |
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| Country | Link |
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| CN (1) | CN206235390U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109443518A (en) * | 2018-10-22 | 2019-03-08 | 中国矿业大学 | A kind of portable vehicle drag friction noise level monitor and method based on bluetooth |
| CN112880812A (en) * | 2021-01-19 | 2021-06-01 | 广州特种机电设备检测研究院 | Escalator fault detection method, system and storage medium |
-
2016
- 2016-11-04 CN CN201621186018.6U patent/CN206235390U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109443518A (en) * | 2018-10-22 | 2019-03-08 | 中国矿业大学 | A kind of portable vehicle drag friction noise level monitor and method based on bluetooth |
| CN112880812A (en) * | 2021-01-19 | 2021-06-01 | 广州特种机电设备检测研究院 | Escalator fault detection method, system and storage medium |
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| 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: 20170609 Termination date: 20191104 |
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| CF01 | Termination of patent right due to non-payment of annual fee |