CN205278788U - Pipeline appearance that leaks hunting - Google Patents
Pipeline appearance that leaks hunting Download PDFInfo
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- CN205278788U CN205278788U CN201521102012.1U CN201521102012U CN205278788U CN 205278788 U CN205278788 U CN 205278788U CN 201521102012 U CN201521102012 U CN 201521102012U CN 205278788 U CN205278788 U CN 205278788U
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Abstract
The utility model discloses a pipeline appearance that leaks hunting, include the host computer and connect the adapter on the host computer, microphone and monitoring headpone, still be equipped with low noise switching power supply on the host computer, the host computer includes CPU and the noise treatment module of being connected with CPU, voice processing module, the module is monitored in the many -way selection, touch -sensitive screen and storage module, the adapter is connected in the input of noise treatment module, the microphone is connected in voice processing module's input, the output of monitoring the module in the many -way selection is connected to the monitoring headpone, the many -way selection is monitored the input of module and is connected with noise treatment module and voice processing module. The utility model discloses simple structure, ambient noise's interference can accurately be got rid of through the noise treatment module fast to the simple operation, examines out the noise that leaks, has especially carried out effective isolation to data signal and analog signal, has eliminated the noise that is produced by digital circuit, has improved the utility model discloses an interference immunity and accuracy.
Description
Technical field
This utility model belongs to pressure pipeline leak detecting device field, is specifically related to a kind of pipeline leak detection instrument.
Background technology
The water supply line in city is along with the fast development built and the passage of time, affected by various factors, cause local leakage, as bad in natural aging, the differential settlement of ground, the impact of traffic loading, the salinization of soil, urban construction impact, pipeline construction etc. But, for the pipe leakage phenomenon in city, cannot be carried out management timely because the effect of leaking hunting of existing leak detecting device is undesirable and repair, thus causing the waste of water resource. Existing leak test plant judges mainly through gathering missed signal, and missed signal is affected very big by environment noise, the transaudient characteristic of pipeline and test point position, the situation of burying underground. Therefore, the capacity of resisting disturbance and the data-handling capacity that improve leak detecting device are extremely necessary.
Utility model content
Technical problem to be solved in the utility model is, overcomes the deficiency and defect mentioned in background above technology, it is provided that a kind of pipeline leak detection instrument.
For solving above-mentioned technical problem, the technical scheme that the utility model proposes is:
A kind of pipeline leak detection instrument, including main frame and be connected to the pick up on main frame, mike and monitoring headpone, main frame is additionally provided with low noise Switching Power Supply, described main frame includes CPU and the noise treatment module being connected with CPU, speech processing module, multi-path choice monitors module, touch screen and memory module, described pick up is connected to the input of noise treatment module, described mike is connected to the input of speech processing module, described monitoring headpone is connected to multi-path choice and monitors the outfan of module, multi-path choice is monitored the input of module and is connected with noise treatment module and speech processing module.
Above-mentioned pipeline leak detection instrument, preferably, described noise treatment module includes the pre-amplification circuit, 50Hz trap circuit, eight rank low-pass filter circuits, high-pass filtering circuit, the first rear class amplifying circuit, bandwidth-limited circuit able to programme, the second rear class amplifying circuit and the digital filtering/spectrum analyzer circuit that are sequentially connected with, the outfan of described digital filtering/spectrum analyzer circuit is connected with CPU, described pick up is connected to the input of described pre-amplification circuit, and the outfan of pre-amplification circuit is also attached to described multi-path choice and monitors the input of module.
Preferably, the input of described eight rank low-pass filter circuits is also connected with described CPU.
Preferably, described speech processing module includes mike and audio coder-decoder.
Preferably, described multi-path choice is monitored module and is included variable connector and power amplifier, and described variable connector is connected respectively with described pre-amplification circuit, the second rear class amplifying circuit and speech processing module, and the outfan of described power amplifier is connected with monitoring headpone.
Preferably, described memory module is storage card.
Preferably, the shell of described main frame is plastic cement cuboid box, is provided with described touch screen, switch and multiple peripheral interface in any one plane outside described cuboid box, and described mike, monitoring headpone and pick up connect with corresponding peripheral interface respectively.
In this utility model, noise is collected by pick up, then it is filtered the noise transmission received to noise treatment module processing, after the noise that leaks screened out is carried out digital filtering/spectrum analysis, showing by touch screen through CPU conversion, operator can be visually observed that instantaneous noise signal corresponding within the scope of corresponding frequencies; Distribution according to frequency selects corresponding Filtering Analysis pattern, and by touch screen send operational order be filtered analyze, reselection closer to leakage point position again collect noise carry out accurate measurement or point survey, touch screen can draw the continuous print noise curve in certain time automatically. Wherein fine mode can get rid of the interference of environment noise, and the suspicious leakage point of early stage detection investigation can be further analyzed judgement by some survey pattern. It addition, the position of mike record current noise can be passed through, facilitating and know particular location during post analysis, the determination making leakage point position is more quick; Headphone monitor noise and voice can be passed through simultaneously, assist operator to make and judge more accurately.
Compared with prior art, the beneficial effects of the utility model are:
1. this utility model simple in construction, simple operation, by noise treatment modules such as 50Hz trap circuit, eight rank low-pass filter circuits, high-pass filtering circuit and digital filtering/spectrum analyzer circuits, the interference of environmental noise can be got rid of rapidly and accurately, screen out the noise that leaks, especially digital signal and analogue signal have been effectively isolated, have eliminated the noise produced by digital circuit, improve anti-interference of the present utility model and accuracy.
2. of the present utility model powerful, according to the practical situation of varying environment, different processing methods can be set by touch screen, judge the information of leaking targetedly, so both improve the treatment effeciency of work of leaking hunting, too increase the accuracy judged of leaking hunting simultaneously.
3. this utility model principle is simple, and outward appearance exquisiteness is small and exquisite, facilitates field work to carry with, practical.
Accompanying drawing explanation
In order to be illustrated more clearly that the technical scheme in this utility model embodiment, below the accompanying drawing used required during embodiment is described is briefly described, apparently, accompanying drawing in the following describes is embodiments more of the present utility model, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is each module connection structure schematic diagram of the present utility model.
Marginal data:
1, noise treatment module; 2, speech processing module; 3, multi-path choice monitors module; 4, touch screen; 5, memory module.
Detailed description of the invention
For the ease of understanding this utility model, this utility model is done more comprehensively below in conjunction with Figure of description and preferred embodiment, describes meticulously, but protection domain of the present utility model is not limited to specific examples below.
Unless otherwise defined, to be generally understood that implication with those skilled in the art identical in all technical term used hereinafter. Technical term used herein is intended merely to the purpose describing specific embodiment, is not intended to limit protection domain of the present utility model.
Unless otherwise specified, the various instrument and equipments etc. used in this utility model all can be commercially available by market or can be prepared by existing method.
Embodiment:
A kind of pipeline leak detection instrument embodiment of the present utility model, including main frame and be connected to the pick up on main frame, mike and monitoring headpone, main frame is additionally provided with low noise Switching Power Supply, main frame includes CPU and the noise treatment module 1 being connected with CPU, speech processing module 2, multi-path choice monitors module 3, touch screen 4 and memory module 5, pick up is connected to the input of noise treatment module 1, mike is connected to the input of speech processing module 2, monitoring headpone is connected to multi-path choice and monitors the outfan of module 3, multi-path choice is monitored the input of module 3 and is connected with noise treatment module 1 and speech processing module 2. this utility model simple in construction, simple operation, by noise treatment module, the interference of environmental noise can be got rid of rapidly and accurately, screen out the noise that leaks, especially digital signal and analogue signal have been effectively isolated, have eliminated the noise produced by digital circuit, improve anti-interference of the present utility model and accuracy.
In this utility model, noise treatment module includes the pre-amplification circuit, 50Hz trap circuit, eight rank low-pass filter circuits, high-pass filtering circuit, the first rear class amplifying circuit, bandwidth-limited circuit able to programme, the second rear class amplifying circuit and the digital filtering/spectrum analyzer circuit that are sequentially connected with, the outfan of digital filtering/spectrum analyzer circuit is connected with CPU, pick up is connected to the input of pre-amplification circuit, and the outfan of pre-amplification circuit is also attached to multi-path choice and monitors the input of module.
In this utility model, the input of eight rank low-pass filter circuits is also connected with CPU; Speech processing module includes recording and audio coder-decoder; Multi-path choice is monitored module and is included variable connector and power amplifier, and variable connector is connected respectively with pre-amplification circuit, the second rear class amplifying circuit and speech processing module, and the outfan of power amplifier is connected with monitoring headpone; Memory module is storage card.
In this utility model, the shell of main frame is plastic cement cuboid box, is provided with touch screen, switch and multiple peripheral interface in any one plane outside cuboid box, and mike, monitoring headpone and pick up connect with corresponding peripheral interface respectively.
In this utility model, noise is collected by pick up, then it is filtered the noise transmission received to noise treatment module processing, after the noise that leaks screened out is carried out digital filtering/spectrum analysis, showing by touch screen through CPU conversion, operator can be visually observed that instantaneous noise signal corresponding within the scope of corresponding frequencies; Distribution according to frequency selects corresponding Filtering Analysis pattern, and by touch screen send operational order be filtered analyze, reselection closer to leakage point position again collect noise carry out accurate measurement or point survey, touch screen can draw the continuous print noise curve in certain time automatically. Wherein fine mode can get rid of the interference of environment noise, and the suspicious leakage point of early stage detection investigation can be further analyzed judgement by some survey pattern. It addition, the position of mike record current noise can be passed through, facilitating and know particular location during post analysis, the determination making leakage point position is more quick; Headphone monitor noise and voice can be passed through simultaneously, assist operator to make and judge more accurately.
Of the present utility model powerful, according to the practical situation of varying environment, different processing methods can be set by touch screen, judge the information of leaking targetedly, so both improve the treatment effeciency of work of leaking hunting, too increase the accuracy judged of leaking hunting simultaneously. And, this utility model principle is simple, and outward appearance exquisiteness is small and exquisite, facilitates field work to carry with, practical.
Of the present utility model ultimate principle, principal character and of the present utility model advantage have more than been shown and described. Skilled person will appreciate that of the industry; this utility model is not restricted to the described embodiments; described in above-described embodiment and description is that principle of the present utility model is described; under the premise without departing from this utility model spirit and scope; this utility model also has various changes and modifications, and these changes and improvements both fall within the scope of claimed this utility model. This utility model claims scope and is defined by appending claims and equivalent thereof.
Claims (7)
1. a pipeline leak detection instrument, including main frame and be connected to the pick up on main frame, mike and monitoring headpone, main frame is additionally provided with low noise Switching Power Supply, it is characterized in that, described main frame includes CPU and the noise treatment module (1) being connected with CPU, speech processing module (2), multi-path choice monitors module (3), touch screen (4) and memory module (5), described pick up is connected to the input of noise treatment module (1), described mike is connected to the input of speech processing module (2), described monitoring headpone is connected to multi-path choice and monitors the outfan of module (3), multi-path choice is monitored the input of module (3) and is connected with noise treatment module (1) and speech processing module (2).
2. pipeline leak detection instrument according to claim 1, it is characterized in that, described noise treatment module (1) includes the pre-amplification circuit being sequentially connected with, 50Hz trap circuit, eight rank low-pass filter circuits, high-pass filtering circuit, first rear class amplifying circuit, bandwidth-limited circuit able to programme, second rear class amplifying circuit and digital filtering/spectrum analyzer circuit, the outfan of described digital filtering/spectrum analyzer circuit is connected with CPU, described pick up is connected to the input of described pre-amplification circuit, the outfan of pre-amplification circuit is also attached to described multi-path choice and monitors the input of module (3).
3. pipeline leak detection instrument according to claim 2, it is characterised in that the input of described eight rank low-pass filter circuits is also connected with described CPU.
4. pipeline leak detection instrument according to claim 1, it is characterised in that described speech processing module (5) includes recording and audio coder-decoder.
5. pipeline leak detection instrument according to claim 1, it is characterized in that, described multi-path choice is monitored module (3) and is included variable connector and power amplifier, described variable connector is connected respectively with described pre-amplification circuit, the second rear class amplifying circuit and speech processing module (2), and the outfan of described power amplifier is connected with monitoring headpone.
6. pipeline leak detection instrument according to claim 1, it is characterised in that described memory module (5) is storage card.
7. pipeline leak detection instrument according to claim 1, it is characterized in that, the shell of described main frame is plastic cement cuboid box, being provided with described touch screen, switch and multiple peripheral interface in any one plane outside described cuboid box, described mike, monitoring headpone and pick up connect with corresponding peripheral interface respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521102012.1U CN205278788U (en) | 2015-12-28 | 2015-12-28 | Pipeline appearance that leaks hunting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521102012.1U CN205278788U (en) | 2015-12-28 | 2015-12-28 | Pipeline appearance that leaks hunting |
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| Publication Number | Publication Date |
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| CN205278788U true CN205278788U (en) | 2016-06-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201521102012.1U Active CN205278788U (en) | 2015-12-28 | 2015-12-28 | Pipeline appearance that leaks hunting |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106322123A (en) * | 2016-08-26 | 2017-01-11 | 湖南普奇地质勘探设备研究院（普通合伙) | Pipeline leakage detecting method and system as well as sampler and host thereof |
| CN113446593A (en) * | 2021-06-25 | 2021-09-28 | 吉林化工学院 | Boiler pressure-bearing pipeline leakage detection system |
| CN113825058A (en) * | 2021-09-18 | 2021-12-21 | 深圳金贝奇电子有限公司 | Wireless communication earphone communication system for reducing external environment interference |
-
2015
- 2015-12-28 CN CN201521102012.1U patent/CN205278788U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106322123A (en) * | 2016-08-26 | 2017-01-11 | 湖南普奇地质勘探设备研究院（普通合伙) | Pipeline leakage detecting method and system as well as sampler and host thereof |
| CN106322123B (en) * | 2016-08-26 | 2019-01-11 | 湖南普奇地质勘探设备研究院（普通合伙) | Pipeline leak detection method, system and its sampler and host |
| CN113446593A (en) * | 2021-06-25 | 2021-09-28 | 吉林化工学院 | Boiler pressure-bearing pipeline leakage detection system |
| CN113825058A (en) * | 2021-09-18 | 2021-12-21 | 深圳金贝奇电子有限公司 | Wireless communication earphone communication system for reducing external environment interference |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170527 Address after: 410000 Hunan province Changsha Kaifu District Youth Road No. 1318 Jia Hai Industrial Park building A16 Room 301 Patentee after: Hunan Puqi geological exploration equipment Research Institute (general partner) Address before: 410000, No. 3, No. 67, Renmin Road, Chaoyang community, Chaoyang Street office, Changsha, Hunan, Liuyang Patentee before: Chen Bo |