CN205001870U - Pipeline ultrasonic leak detection device - Google Patents
Pipeline ultrasonic leak detection device Download PDFInfo
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- CN205001870U CN205001870U CN201520753484.7U CN201520753484U CN205001870U CN 205001870 U CN205001870 U CN 205001870U CN 201520753484 U CN201520753484 U CN 201520753484U CN 205001870 U CN205001870 U CN 205001870U
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- detection apparatus
- leak detector
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Abstract
The utility model provides a pipeline ultrasonic leak detection device, including the leakage detector, the earphone, power supply module and charger, this leakage detector includes ultrasonic sensor and signal processing subassembly in a shell and this shell, this signal processing subassembly links to each other with this ultrasonic sensor, still including the host computer, display screen and signal transmission line, this power supply module is this leakage detector power supply, this ultrasonic sensor is used for acquireing the pipeline and leaks the ultrasonic signal who produces, this ultrasonic signal is the audible low frequency signals of people's ear through the conversion of signal processing subassembly, and convey the earphone, with convey this host computer through this signal transmission line, with relevant signal through showing that screen display demonstrates. The utility model provides a leakage detector, through combining earphone and display screen when using, greatly reduced user's erroneous judgement of utilizing the experience to cause, simultaneously, combine the laser locator location, the size of leakage can also be estimated in position that not only can be accurate confirm leaked, has improved the reliability of ultrasonic leak detection appearance greatly.
Description
Technical field
The utility model relates to leak detection technology field, particularly a kind of pipe ultrasonic ripple leakage detection apparatus.
Background technique
Along with the development of acoustic detection technology, according to the principle of aeroacoustics, contactless ultrasonic leak detection equipment is more and more extensive in the application of industrial spill detection field, Ultrasonic leak detector is as a kind of leak detector occurred in recent years, it is mainly used in the leak detection of pipeline, its leak-hunting principle is when gas leaks from pipeline, ultrasound can be produced, this ultrasound can be detected beyond several meters by pneumatic system leak detector, pneumatic system leak detector converts the inaudible signal of these people's ears to easily hear by earphone frequency, thus judges to judge to leak.
Above-mentioned existing Ultrasonic leak detector, its versatility is comparatively strong, there is following technical problem: though this sonographer can leak in perception, but cannot confirm to leak the position occurred; And in testing process, the ultrasound noise in environment can be detected equally, thus be difficult to be confirmed whether really there is source of leaks; Moreover testing result is that the sound using earphone to hear by user judges, this must rely on the auditory experience of user to differentiate, and can not real-time record be carried out, the people different for same phenomenon can draw different conclusion, causes testing result inaccurate.
Model utility content
Based on this, the purpose of this utility model is to provide and a kind ofly can confirms leak position and the ultrasonic leak detection device of real time record test result.
For solving the problems of the technologies described above, a kind of pipe ultrasonic ripple leakage detection apparatus that the utility model provides, comprise leak detector, earphone, power supply module and charger, this leak detector includes ultrasonic wave sensor in a shell and this shell and signal processing component, this signal processing component is connected with this ultrasonic wave sensor, also include main frame, display screen and signal transmssion line, this power supply module is powered for this leak detector, the ultrasonic signal that this ultrasonic wave sensor produces for obtaining pipe leakage, the low frequency signal that this ultrasonic signal can be listened for people's ear through signal processing component conversion, and be sent to earphone, this main frame is sent to by this signal transmssion line, relevant signals is shown by display screen.
Above-mentioned pipe ultrasonic ripple leakage detection apparatus, can by earphone received audio signal and by display screen display leak detection result, greatly reduce the leak detection erroneous judgement that user utilizes experience to cause, simultaneously, in conjunction with the locating function of laser locator, not only can determine the position of leaking accurately, the size of leakage can also be estimated by display screen, substantially increase the reliability of Ultrasonic leak detector.
Accompanying drawing explanation
Fig. 1 is the constitutional diagram of the utility model pipe ultrasonic ripple leakage detection apparatus first embodiment.
Fig. 2 is the structural representation of leak detector in the utility model pipe ultrasonic ripple leakage detection apparatus first embodiment.
Fig. 3 is main frame and display screen and shown result in the utility model pipe ultrasonic ripple leakage detection apparatus.
Fig. 4 is the structural representation of leak detector in the utility model pipe ultrasonic ripple leakage detection apparatus second embodiment.
Fig. 5 is the constitutional diagram of the utility model pipe ultrasonic ripple leakage detection apparatus second embodiment.
Embodiment
For the ease of understanding the utility model, below with reference to relevant drawings, the utility model is described more fully.First-selected embodiment of the present utility model is given in accompanying drawing.But the utility model can realize in many different forms, is not limited to embodiment described herein.On the contrary, the object of these embodiments is provided to be make to disclosure of the present utility model more thoroughly comprehensively.
It should be noted that, when element is called as " being fixedly arranged on " another element, directly can there is element placed in the middle in it on another element or also.When an element is considered to " connection " another element, it can be directly connected to another element or may there is centering elements simultaneously.Term as used herein " vertical ", " level ", "left", "right" and similar statement are just for illustrative purposes.
Unless otherwise defined, all technology used herein and scientific terminology are identical with belonging to the implication that those skilled in the art of the present utility model understand usually.The object of the term used in specification of the present utility model herein just in order to describe specific embodiment, is not intended to be restriction the utility model.Term as used herein " and/or " comprise arbitrary and all combinations of one or more relevant Listed Items.
Refer to Fig. 1 and Fig. 2, a kind of pipe ultrasonic ripple leakage detection apparatus that the utility model provides, comprise leak detector 11, earphone 12, charger 13, power supply module 114, this leak detector 11 comprises ultrasonic wave sensor 112 in a shell 111 and this shell 111 and signal processing component 113, and this signal processing component 113 is electrical connected with this ultrasonic wave sensor.Comprise main frame 14, display screen 15 and signal transmssion line 16 further, this main frame 14 is electrical connected with this display screen 15.
The ultrasonic signal that this ultrasonic wave sensor 112 produces for obtaining pipe leakage, and import this ultrasonic signal into this signal processing component 113, this signal processing component 113 is located in the horizontal cavity of this leak detector 11, the low frequency signal that ultrasonic signal conversion can be listened for people's ear by this signal processing component 113, and be sent to this earphone 12, this low frequency signal is sent to this main frame 14 by this signal transmssion line 16 by this signal processing component 113 simultaneously, by being shown through this display screen 15 by coherent signal after the process of this main frame 14.
In the present embodiment, this ultrasonic wave sensor 112 is highly sensitive in 46dB and frequency band is the pneumatic ultrasonic wave sensor of 40kHz ± 2kHz, effectively can detect the small-signal of leakage, improve leak detection sensitivities.
The profile of this leak detector shell 111 is pistol-shaped, and the front end of this shell 111 gun barrel is located at by this ultrasonic wave sensor 112, and is positioned at this gun barrel.This power supply module 114 is installed on the handle place of this shell 111, and this power supply module is a rechargeable battery pack, and this rechargeable battery pack is powered for this leak detector 11, and in the present embodiment, this rechargeable battery pack is Ni-MH battery group.Jack 117 is provided with in this shell 111 handle bottom, and have two, one of them jack 1171 is for this signal transmssion line 16 of grafting, this leak detector 11 is connected with this main frame 14, another jack 1172, the size of this jack 1172 is Φ 3.5mm, by this earphone 12 is general with this charger 13, operationally, this jack 1172 is for this earphone 12 of grafting; When not working, this jack 1172 can this charger 13 of grafting, so that this charger 13 charges to this power supply module 114 in this leak detector 11.
Understandable, in other embodiments, this rechargeable battery pack also can be the one in nicad battery group and lithium cell group.
Further, being provided with one for detecting the power supply indicator 115 of this power supply module 114 charged state, when this power supply module 114 is in electricity less than situation, being namely in charged state at this shell 111 handle place, this power supply indicator is red; When this power supply module 114 is in electricity full state, this power supply indicator is green.
In the present embodiment, also comprise one and be arranged at laser locator 116 on this leak detector shell 111, this laser locator 116 is electrical connected with this signal processing component 113, in conjunction with the information that this display screen 15 shows, can confirm the particular location of pipe leakage.The laser light wavelength that this laser locator 116 sends is 640-660nm, and the output power of this laser locator 116 is 0.4-0.5mW.
This main frame 14 communicates to connect with this display screen 15, a noise processing components is integrated with in this main frame 14, this noise processing components comprises smothing filtering module and filter capacitor, due to testing pipes leak time, there is various different audio frequency in the external world, this earphone 12 is just utilized then easily to occur misjudgment phenomenon to pass judgment on leakage, and this noise processing components can carry out quadratic transformation and filtration to the ultrasonic signal after this signal processing component 113 preliminary treatment, namely for carrying out denoising Processing to the ultrasonic signal imported in this main frame 14, then result is presented in this display screen 15.
Consult Fig. 3 again, when carrying out pipeline leak detection, can the position at display pipes small opening place and some data of display on this display screen 15: as this laser locator 116 to the distance of small opening, this earphone 12 hear the frequency values of sound, small opening grade and orifice sizes size.Concrete, can by the image of this display screen 15 and " frequency values " data judging in conjunction with earphone on hurdle central position of leaking, after determining leakage central position, can according to the data of this laser locator 116, namely low frequency strengthen filter in spatial domain technology in " distance " one hurdle display data, instrument is adjusted to the position that distance leakage center is 60mm place, detect, according to " frequency values " one hurdle data and this main frame 14 in data processing function, in this display screen 15 " grade " one hurdle can show leakage class, be divided into 4 grades, wherein corresponding 0.3mm or the 0.4mm small opening of I level, corresponding 0.8mm or the 1.0mm small opening of II level, the corresponding 1.5mm small opening of III level, the corresponding 2.0mm small opening of IV level.
When small opening grade is shown as III level or IV level, then directly show 1.5mm or 2.0mm on this display screen 15 " size " one hurdle; When " grade " one hurdle be shown as I or II level time, then instrument is adjusted to the position that distance small opening center is 30mm place, detect, according to " frequency values " one hurdle data and this main frame 14 in data processing function, result will be presented at this this display screen 15 " size " one hurdle.
Above-mentioned pipe ultrasonic ripple leakage detection apparatus, this earphone 12 is utilized to listen to pipe leakage sound, and in conjunction with the leak detection data gone out shown by this display screen 15 and small opening image, can reduce user only utilizes this earphone 12 to pass judgment on the misjudgment phenomenon of leakage, greatly improve the degree of accuracy of Leak testtion, simultaneously, again in conjunction with this laser locator 116, not only can locate small opening position accurately, the grade of leakage and the size of small opening can also be drawn by this display screen 15, substantially increase the reliability of Ultrasonic leak detector.
Refer to Fig. 4, for the structural representation of leak detector in the utility model pipe ultrasonic ripple leakage detection apparatus second embodiment, in itself and the first embodiment, leak detector configurations is similar, difference is, according to the difference of leak detection Distance geometry environment, the basis of the present embodiment leak detector in a first embodiment adds a focusing pipe 21b and focus head 21a, this focus head 21a is threaded with this focusing pipe 21b, this focusing pipe 21b is connected with the nose threads of this leak detector shell 111 gun barrel, then form a leak detector 11a.This focus head 21a front end is reducing type horn shape, sound is gathered for anti-noise, in the region that ambient noise is larger, then need this focus head 21a and this focusing pipe 21b is installed, or owing to detecting inconvenience, when detecting distance is larger, also need this focus head 21a and this focusing pipe 21b to be installed to improve signal intensity.
Refer to Fig. 5, for the constitutional diagram of the utility model pipe ultrasonic ripple leakage detection apparatus second embodiment, pipe ultrasonic ripple leakage detection apparatus in the present embodiment and the pipe ultrasonic ripple leakage detection apparatus in the first embodiment more or less the same, difference is that the pipe ultrasonic ripple leakage detection apparatus in the present embodiment also add a ultrasound sound source generator 22a, for under non-pressurised state, produce ultrasonic signal, as having the pipeline of minimum Leak hole for vacuum pipe or other, then can produce ultrasound by this ultrasound sound source generator 22a, to reach the object of the tiny leaks detecting minimum hole.
The above embodiment only have expressed several mode of execution of the present utility model, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the utility model the scope of the claims.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be as the criterion with claims.
Claims (10)
1. a pipe ultrasonic ripple leakage detection apparatus, comprise leak detector, earphone, power supply module and charger, this leak detector includes ultrasonic wave sensor in a shell and this shell and signal processing component, this signal processing component is connected with this ultrasonic wave sensor, it is characterized in that, also include main frame, display screen and signal transmssion line, this power supply module is powered for this leak detector, the ultrasonic signal that this ultrasonic wave sensor produces for obtaining pipe leakage, the low frequency signal that this ultrasonic signal can be listened for people's ear through signal processing component conversion, and be sent to earphone, this main frame is sent to by this signal transmssion line, relevant signals is shown by display screen.
2. pipe ultrasonic ripple leakage detection apparatus according to claim 1, is characterized in that, the shell of this leak detector is pistol-shaped, and the front end of this shell gun barrel is located at by this ultrasonic wave sensor, and is positioned at gun barrel.
3. pipe ultrasonic ripple leakage detection apparatus according to claim 2, is characterized in that, this power supply module is the rechargeable battery pack being installed on this housing handle place.
4. pipe ultrasonic ripple leakage detection apparatus according to claim 3, is characterized in that, is also provided with one for detecting the power supply indicator of power supply module charged state at this housing handle place.
5. pipe ultrasonic ripple leakage detection apparatus according to claim 4, it is characterized in that, two jacks are provided with in this housing handle bottom, a jack is used for grafting signal transmssion line, be connected with this main frame by this leak detector, another jack size is Φ 3.5mm, by this earphone and charger general, during work, for grafting earphone; When not working, can this charger of grafting, so that this charger charges to the power supply module of this leak detector.
6. the pipe ultrasonic ripple leakage detection apparatus according to claim 1 to 5 any one, it is characterized in that, also comprise one and be arranged at laser locator on this leak detector shell, this laser locator and this signal processing component are electrical connected, for confirming the particular location of pipe leakage.
7. pipe ultrasonic ripple leakage detection apparatus according to claim 1, it is characterized in that, this main frame communicates with this display screen and is connected, a noise processing components is integrated with in this main frame, this noise processing components includes smothing filtering module and filter capacitor, for carrying out denoising Processing to the ultrasonic signal imported in this main frame.
8. pipe ultrasonic ripple leakage detection apparatus according to claim 1, it is characterized in that, according to the difference of leak detection Distance geometry environment, this leak detector also can comprise focusing pipe and a focus head, this focus head is connected with this focusing pipe thread, and this focusing pipe is connected with the nose threads of this leak detector shell gun barrel.
9. pipe ultrasonic ripple leakage detection apparatus according to claim 1, is characterized in that, this ultrasonic wave sensor is highly sensitive in 46dB and frequency band is the pneumatic ultrasonic wave sensor of 40kHz ± 2kHz.
10. pipe ultrasonic ripple leakage detection apparatus according to claim 1, is characterized in that, also comprises a ultrasound sound source generator, under non-pressurised state, produces ultrasonic signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520753484.7U CN205001870U (en) | 2015-09-25 | 2015-09-25 | Pipeline ultrasonic leak detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520753484.7U CN205001870U (en) | 2015-09-25 | 2015-09-25 | Pipeline ultrasonic leak detection device |
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| Publication Number | Publication Date |
|---|---|
| CN205001870U true CN205001870U (en) | 2016-01-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520753484.7U Expired - Fee Related CN205001870U (en) | 2015-09-25 | 2015-09-25 | Pipeline ultrasonic leak detection device |
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| CN (1) | CN205001870U (en) |
Cited By (7)
| 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 |
| CN106958744A (en) * | 2017-04-27 | 2017-07-18 | 西安工程大学 | The detection and quantitative analysis method of air-jet loom compressed air leakage and detection means |
| CN107702862A (en) * | 2017-11-15 | 2018-02-16 | 潘绍兵 | A kind of valve leaks detection means |
| CN107957006A (en) * | 2017-11-30 | 2018-04-24 | 无锡市中吉橡塑机械有限公司 | A kind of ultrasonic wave pipe inspection device |
| CN109506848A (en) * | 2018-12-29 | 2019-03-22 | 汉威科技集团股份有限公司 | A kind of novel online scan-type ultrasonic gas leak detection system |
| CN113295345A (en) * | 2021-05-08 | 2021-08-24 | 广西防城港核电有限公司 | Method for detecting leakage point of inner pipe of double-wall pipe |
| CN113365190A (en) * | 2021-06-08 | 2021-09-07 | 湖南普奇水环境研究院有限公司 | Anti-interference detection method and circuit of leakage detection equipment and electronic equipment |
-
2015
- 2015-09-25 CN CN201520753484.7U patent/CN205001870U/en not_active Expired - Fee Related
Cited By (8)
| 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 |
| CN106958744A (en) * | 2017-04-27 | 2017-07-18 | 西安工程大学 | The detection and quantitative analysis method of air-jet loom compressed air leakage and detection means |
| CN107702862A (en) * | 2017-11-15 | 2018-02-16 | 潘绍兵 | A kind of valve leaks detection means |
| CN107957006A (en) * | 2017-11-30 | 2018-04-24 | 无锡市中吉橡塑机械有限公司 | A kind of ultrasonic wave pipe inspection device |
| CN109506848A (en) * | 2018-12-29 | 2019-03-22 | 汉威科技集团股份有限公司 | A kind of novel online scan-type ultrasonic gas leak detection system |
| CN113295345A (en) * | 2021-05-08 | 2021-08-24 | 广西防城港核电有限公司 | Method for detecting leakage point of inner pipe of double-wall pipe |
| CN113365190A (en) * | 2021-06-08 | 2021-09-07 | 湖南普奇水环境研究院有限公司 | Anti-interference detection method and circuit of leakage detection equipment and electronic equipment |
| CN113365190B (en) * | 2021-06-08 | 2022-07-08 | 湖南普奇水环境研究院有限公司 | Anti-interference detection method and circuit of leakage detection equipment and electronic equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160127 Termination date: 20170925 |
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| CF01 | Termination of patent right due to non-payment of annual fee |