CN205642755U - Ultrasonic wave detecting leakage device - Google Patents
Ultrasonic wave detecting leakage device Download PDFInfo
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- CN205642755U CN205642755U CN201620459803.8U CN201620459803U CN205642755U CN 205642755 U CN205642755 U CN 205642755U CN 201620459803 U CN201620459803 U CN 201620459803U CN 205642755 U CN205642755 U CN 205642755U
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- ultrasonic
- earphone
- noise reduction
- signal
- noise
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Abstract
The utility model relates to an ultrasonic wave detecting leakage device. This ultrasonic wave detecting leakage device includes ultrasonic wave detecting leakage module and noise reduction module. This ultrasonic wave detecting leakage module includes leakage detector and earphone. This noise reduction module establishes and is connected in the earphone of this earphone and with the circuit board electricity of this earphone. This noise reduction module includes adapter, noise reduction chip and vocal ware. This ultrasonic wave detecting leakage device is through setting up noise reduction module in the earphone of earphone, noise signal, the especially low frequency noise signal of noise reduction module in can the automatic collection environment, and through handling the opposition acoustic signals that back production and this noise signal have the looks same frequency, and via the sound production ware sends to can offset the noise in the environment, realize falling the effect of making an uproar, the user can be more clear differentiatees purpose sound, and the position is revealed in the quick accurate detection play of being convenient for, and the testing result is also more accurate reliable.
Description
Technical field
This utility model relates to detecting instrument field, especially relates to a kind of ultrasonic leak detection device.
Background technology
Leakage in compressed air system can cause the loss of the huge energy, so often carrying out leak test is
Highly important maintenance measure.Relatively conventional leaking hunting mode with suds, ultrasonic leak detection module is showed fully existing
Superiority for fine measuring instrument.In majority reveals checking process, environment is noisy, but traditional surpassing
Acoustic emission inspection module first wife's earphone is General Physics noise cancelling headphone, and noise does not process through Dolby circuit chip,
Typically can only intercept the high frequency noise in environment, inconspicuous to low frequency noise noise reduction, dislike at noisy environment
Bad occasion, affects distinguishing of testing result.
Utility model content
Based on this, it is necessary to provide a kind of ultrasonic leak detection device that can effectively reduce environmental noise impact.
A kind of ultrasonic leak detection device, including ultrasonic leak detection module and noise reduction module；
Described ultrasonic leak detection module includes leak detector and earphone；Described leak detector includes housing and is located at described
Ultrasonic sensor, ultrasonic Treatment chip and earphone interface in housing；Described ultrasonic Treatment chip with
Described ultrasonic sensor and the electrical connection of described earphone interface, described ultrasonic sensor treats location for detection
Putting the ultrasonic signal at place, described ultrasonic Treatment chip can for described ultrasonic signal is converted into human ear
The signal of telecommunication of listening；Described earphone interface is suitable with described earphone；
Described noise reduction module is located in the receiver of described earphone and electrically connects with the circuit board of described earphone；Described
Noise reduction module includes pick up, noise reduction process chip and acoustical generator；Described noise reduction process chip and described pickup
Device and the electrical connection of described acoustical generator, described pick up is for collecting the noise signal in environment, at described noise reduction
Reason chip has the anti-phase acoustic signals of same frequency by the generation of described noise signal and described noise signal,
And send via described acoustical generator, to offset described noise signal, and to the electricity by described human ear sub-audible sound
The acoustical signal of signal conversion is amplified.
Wherein in an embodiment, in described housing, it is additionally provided with the power supply installation position for installing power supply, institute
State ultrasonic Treatment chip to electrically connect with two electrodes of described power supply installation position.
Wherein in an embodiment, described leak detector also includes focusing on pipe and focus head, described focusing pipe
One end is connected with described housing, and the other end is connected with described focus head.
Wherein in an embodiment, described leak detector also includes that display device, described display device are located at institute
State on housing, and described display device electrically connect with described ultrasonic Treatment chip show for figure described
Ultrasonic signal.
Wherein in an embodiment, the receiver of described earphone is wrapped with physics noise-reducing components.
Wherein in an embodiment, described earphone is headband receiver.
Above-mentioned ultrasonic leak detection device is by arranging active noise reduction module, noise reduction in the receiver of traditional earphone
Module can collect the noise signal in environment, especially low frequency noise signals automatically, produce after treatment with
This noise signal has the anti-phase acoustic signals of same frequency, and sends via described acoustical generator, such that it is able to
Offset the noise in environment, it is achieved the effect of noise reduction, and the acoustical signal being easy to be converted into ultrasound wave enters
Row amplifies, so that what user can be relatively sharp distinguishes purpose sound, it is simple to detect fast and accurately and let out
Dew position, testing result is the most accurately and reliably.
Accompanying drawing explanation
Fig. 1 is the structural representation of the ultrasonic leak detection device of an embodiment.
Detailed description of the invention
For the ease of understanding this utility model, below with reference to relevant drawings, this utility model is carried out more comprehensively
Description.Accompanying drawing gives preferred embodiment of the present utility model.But, this utility model can be to be permitted
The most different forms realizes, however it is not limited to embodiment described herein.On the contrary, provide these to implement
The purpose of example is to make the understanding to disclosure of the present utility model more thorough comprehensively.
It should be noted that when element is referred to as " being fixed on " another element, and it can be directly at another yuan
On part or element placed in the middle can also be there is.When an element is considered as " connection " another element, and it can
To be directly to another element or to may be simultaneously present centering elements.
Unless otherwise defined, all of technology used herein and scientific terminology with belong to of the present utility model
The implication that those skilled in the art are generally understood that is identical.Institute in description of the present utility model herein
The term used is intended merely to describe the purpose of specific embodiment, it is not intended that in limiting this utility model.
Term as used herein " and/or " include the arbitrary and all of of one or more relevant Listed Items
Combination.
Please join Fig. 1, the ultrasonic leak detection device 10 of an embodiment includes ultrasonic leak detection module 100 and noise reduction
Module 200.
Ultrasonic leak detection module 100 includes leak detector 110 and earphone 120.
Leak detector 110 includes at housing 111 and the ultrasonic sensor 112 being located in housing 111, ultrasound wave
Reason chip (not shown) and earphone interface 113.Ultrasonic Treatment chip and ultrasonic sensor 112 and earphone
Interface 113 is electrically connected with.Ultrasonic sensor 112 is for detecting the ultrasonic signal of position to be measured.Super
Sonicated chip for being converted into the signal of telecommunication of human ear sub-audible sound by ultrasonic signal.Earphone interface 113
Suitable with earphone 120.
The power supply installation position (not shown) for installing power supply it is additionally provided with in housing 111.Ultrasonic Treatment chip
Electrically connect with two electrodes of power supply installation position.Preferably, this power supply installation position is provided with rechargable power supplies,
Correspondingly, this housing 111 is provided with charging socket and charge status indicating light.Charge status indicating light with
Ultrasonic Treatment chip electrically connects, for indicating the charged state of power supply.It is further preferred that this charging is inserted
Mouthful can be with earphone interface 113 shared interface, namely a hole is multiplex, both can realize charging, again can be with earphone 120
Connect and carry out audio transmission.
Leak detector 110 also includes focusing on pipe and focus head (not shown).Focus on one end of pipe with housing 111 even
Connecing, the other end is connected with focus head, as in the present embodiment, focuses on one end of pipe with housing 111 screw thread even
Connecing, focus head is threadeded with the other end focusing on pipe.Focus head can carry out measured signal focusing, and warp
Focus on after manifold collection amplifies and received by ultrasonic sensor 112.
Leak detector 110 also includes display device 114 and button 115 etc..Display device 114 and button 115
Etc. being located on housing 111.Display device 114 electrically connect with ultrasonic Treatment chip show for figure ultrasonic
Ripple signal.Button 115 includes switch and frequency regulation button etc..
Further, this leak detector 110 also includes signal amplifier module.Ultrasonic sensor 112 is by this letter
Number amplifier module electrically connects with ultrasonic Treatment chip.The ultrasonic signal warp that ultrasonic sensor 112 gathers
Received by ultrasonic Treatment chip after being amplified by this signal amplifier module and process.Signal amplifier module is permissible
Including pre-amplification circuit, bandwidth-limited circuit and secondary amplifying circuit.Wherein, pre-amplification circuit is with super
Sonic sensor 112 is electrically connected with, bandwidth-limited circuit and pre-amplification circuit and secondary amplifying circuit difference
Being electrically connected with, secondary amplifying circuit is electrically connected with ultrasonic Treatment chip.Pre-amplification circuit is by ultrasound wave
The ultrasonic signal that sensor 112 gathers carries out voltage amplification.Bandwidth-limited circuit is used for filtering ultrasound wave letter
The noise that background noise in number and circuit devcie or circuit produce.Secondary amplifying circuit to filter after ultrasonic
Ripple signal carries out secondary amplification, and transmits to ultrasonic Treatment chip.
Additionally, this leak detector 110 can also include laser positioning assembly.This laser current potential assembly is used for launching
The visible ray of wire, for the location of position to be measured.
Earphone 120 is with inserting reception audio signal in earphone interface 113.In the present embodiment, noise reduction module
200 are located in the receiver 122 of earphone 120 and electrically connect with the circuit board of earphone 120.
Noise reduction module 200 includes pick up 210, noise reduction process chip 220 and acoustical generator 230.Noise reduction process
Chip 220 is electrically connected with pick up 210 and acoustical generator 230.Pick up 210 is used for collecting environment
In noise signal.Noise reduction process chip 220 is produced by noise signal has same frequency with noise signal
Anti-phase acoustic signals, and send via acoustical generator 230, to offset the noise signal in environment, reach fall
Make an uproar or the purpose of de-noising, and the acoustical signal changed by the signal of telecommunication of described human ear sub-audible sound be amplified,
Thus leak detector 110 produce audio signal can clean pass to human ear, do not affected by environmental noise.
In the present embodiment, the receiver 122 of earphone 120 is wrapped with physics noise-reducing components.Physics noise reduction unit
Part is arranged around receiver 122, and human ear can wrap in inside, is formed and closes space, can be in environment
High frequency noise has preferable barriering effect, coordinates noise reduction module 200, can all enter high and low frequency noise
Row shielding.
It is further preferred that this earphone is headband receiver.The physics noise-reducing components of headband receiver can be complete
Entirely wrap up human ear, and be prone to installation and the environmental noise collection of noise reduction module 200, thus advantageously in
Reduce the impact of environmental noise.
The present embodiment additionally provides a kind of ultrasonic leak detection method.This ultrasonic leak detection method uses above-mentioned ultrasonic
Ripple leakage detection apparatus 10.This ultrasonic leak detection method comprises the steps:
Step one: leak detector is placed in position to be measured, opens leak detector；
Step 2: insert an earphone in the earphone interface of leak detector；
Step 3: put on earphone and judge leak case according to acoustical signal.
Above-mentioned ultrasonic leak detection device 10 and use the ultrasonic leak detection method of this ultrasonic leak detection device 10,
By arranging noise reduction module 200 in the receiver 122 of earphone 120, noise reduction module 200 can collect ring automatically
Noise signal in border, especially low frequency noise signals, produce after treatment and have identical with this noise signal
The anti-phase acoustic signals of frequency, and send via acoustical generator 230, such that it is able to the noise offset in environment,
Realizing the effect of noise reduction, what user can be relatively sharp distinguishes purpose sound, it is simple to detect fast and accurately
Going out and reveal position, testing result is the most accurately and reliably.
Each technical characteristic of embodiment described above can combine arbitrarily, for making description succinct, the most right
The all possible combination of each technical characteristic in above-described embodiment is all described, but, if these skills
There is not contradiction in the combination of art feature, is all considered to be the scope that this specification is recorded.
Embodiment described above only have expressed several embodiments of the present utility model, its describe more concrete and
In detail, but therefore can not be interpreted as the restriction to utility model patent scope.It should be pointed out that, it is right
For those of ordinary skill in the art, without departing from the concept of the premise utility, it is also possible to do
Going out some deformation and improvement, these broadly fall into protection domain of the present utility model.Therefore, this utility model is special
The protection domain of profit should be as the criterion with claims.
Claims (6)
1. a ultrasonic leak detection device, it is characterised in that include ultrasonic leak detection module and noise reduction module；
Described ultrasonic leak detection module includes leak detector and earphone；Described leak detector includes housing and is located at described
Ultrasonic sensor, ultrasonic Treatment chip and earphone interface in housing；Described ultrasonic Treatment chip with
Described ultrasonic sensor and the electrical connection of described earphone interface, described ultrasonic sensor treats location for detection
Putting the ultrasonic signal at place, described ultrasonic Treatment chip can for described ultrasonic signal is converted into human ear
The signal of telecommunication of listening；Described earphone interface is suitable with described earphone；
Described noise reduction module is located in the receiver of described earphone and electrically connects with the circuit board of described earphone；Described
Noise reduction module includes pick up, noise reduction process chip and acoustical generator；Described noise reduction process chip and described pickup
Device and the electrical connection of described acoustical generator, described pick up is for collecting the noise signal in environment, at described noise reduction
Reason chip has the anti-phase acoustic signals of same frequency by the generation of described noise signal and described noise signal,
And send via described acoustical generator, to offset described noise signal, and to the electricity by described human ear sub-audible sound
The acoustical signal of signal conversion is amplified.
2. ultrasonic leak detection device as claimed in claim 1, it is characterised in that be additionally provided with in described housing
For installing the power supply installation position of power supply, described ultrasonic Treatment chip and two electrodes of described power supply installation position
Electrical connection.
3. ultrasonic leak detection device as claimed in claim 1, it is characterised in that described leak detector also includes
Focusing on pipe and focus head, one end of described focusing pipe is connected with described housing, and the other end is with described focus head even
Connect.
4. ultrasonic leak detection device as claimed in claim 1, it is characterised in that described leak detector also includes
Display device, described display device sets on the housing, and described display device and described ultrasonic Treatment
Chip electrical connection shows described ultrasonic signal for figure.
5. the ultrasonic leak detection device as according to any one of Claims 1 to 4, it is characterised in that described ear
The receiver of machine is wrapped with physics noise-reducing components.
6. ultrasonic leak detection device as claimed in claim 5, it is characterised in that described earphone is wear-type
Earphone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620459803.8U CN205642755U (en) | 2016-05-18 | 2016-05-18 | Ultrasonic wave detecting leakage device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620459803.8U CN205642755U (en) | 2016-05-18 | 2016-05-18 | Ultrasonic wave detecting leakage device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205642755U true CN205642755U (en) | 2016-10-12 |
Family
ID=57053911
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620459803.8U Withdrawn - After Issue CN205642755U (en) | 2016-05-18 | 2016-05-18 | Ultrasonic wave detecting leakage device |
Country Status (1)
| Country | Link |
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| CN (1) | CN205642755U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105910772A (en) * | 2016-05-18 | 2016-08-31 | 广东溢达纺织有限公司 | Ultrasonic leakage detection device and ultrasonic leakage detection method |
-
2016
- 2016-05-18 CN CN201620459803.8U patent/CN205642755U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105910772A (en) * | 2016-05-18 | 2016-08-31 | 广东溢达纺织有限公司 | Ultrasonic leakage detection device and ultrasonic leakage detection method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20161012 Effective date of abandoning: 20180928 |