CN202018515U - Novel pipeline-cleaner tracking and positioning instrument - Google Patents
Novel pipeline-cleaner tracking and positioning instrument Download PDFInfo
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- CN202018515U CN202018515U CN2011200617287U CN201120061728U CN202018515U CN 202018515 U CN202018515 U CN 202018515U CN 2011200617287 U CN2011200617287 U CN 2011200617287U CN 201120061728 U CN201120061728 U CN 201120061728U CN 202018515 U CN202018515 U CN 202018515U
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Abstract
The utility model discloses a novel pipeline-cleaner tracking and positioning instrument, which comprises a tracking instrument and a transmitter, wherein the transmitter is arranged in a pipeline cleaner, and a singlechip controller and a temperature-compensating crystal oscillator which is used for providing a clock signal for the singlechip controller are arranged in the transmitter; a singlechip controller as well as a digital filter and a data processing system which are connected with the singlechip controller are arranged in the tracking instrument; a fixed-frequency electromagnetic signal generated by the singlechip controller of the transmitter is transmitted after signal processing and signal amplification, the signal transmitted by the transmitter is filtered by the digital filter after being received by the tracking instrument, the filtered signal is identified by the data processing system, and when the electromagnetic signal transmitted by the transmitter is identified, the data processing system gives an alarm, and the identification time is recorded and stored. In the utility model, the position of the pipeline cleaner in a pipeline is more accurately detected by adopting a digital processing mode for the transmitter and the tracking instrument, and a guarantee is provided for high-efficiency pipe cleaning.
Description
Technical field
The utility model relates to the pig tracing field of locating technology, particularly a kind of novel pipeline pig tracing orientator based on ultra-low frequency electromagnetic wave track and localization rabbit.
Background technology
The pig tracing location technology is to produce in the long-term pipeline cleaning operation, is used to follow the tracks of the rabbit operation, seeks the rabbit position.Mainly form: transmitter and tracker by two parts.
Transmitter wherein is arranged in the rabbit, and its principle is that transmitter is continual to the strong low frequency electromagnetic wave of spatial emission penetration capacity, has guaranteed the reception at any time of ground tracker by continuous emission.The tracker here is the useful signal that is used for discerning the transmitter emission, when recognizing the useful signal of transmitter, can send warning, so just can determine the position of rabbit, require the tracker antijamming capability strong in actual applications, do not report by mistake, do not fail to report.
First generation pig tracing location technology results from the sixties in 20th century, and its core technology is a bandpass filtering, suppresses disturbing magnetic field as far as possible with narrow band filter.Because the existence in magnetic field of the earth, the motion could affect Distribution of Magnetic Field of antenna ambient magnetic object produces the alternating magnetic field signal; Electric power, communications service also can produce alternating electromagnetic field.Therefore this kind track and localization instrument is high to environmental requirement.Its this tracker does not show the observation waveform function in addition, uses inconvenient.
On the basis of first generation pig tracing location technology, 20th century the eighties, abroad having occurred with the signal record is the second generation instrument of technological means, this instrument can show the signal waveform in a plurality of cycles and according to its rule identification signal.Domestic second generation instrument resulted from for 20 end of the centurys, and the instrument that has then is sampled as technological means with the multicycle, carried out signal identification according to the time interval rule of several periodic signals.
This instrument sampling time is longer, and identification is sensitive inadequately, generally speaking can not be as using by indicator.This tracker also lacks the observation waveform function, uses very inconvenient.
Transmitter is the device in emission ultralow frequency magnetic field, generally is fixed on skeleton inside, and is different with the senior middle school frequency electromagnetic waves, frequency can not shielded by metal pipe-wall fully in the ultralow frequency magnetic field of special frequency channel, has part magnetic field penetration tube wall, is transmitted into the pipe external space, tube wall is thick more, and the pipe external magnetic field is weak more; Traditional transmitter adopts LC to constitute self-excited oscillator, L is the inductance of emitting antenna, very easily be subjected to iron and steel main body and tube wall and temperature effect, C is an electric capacity, also be subjected to temperature effect easily, therefore the electromagnetic signal of the fixed frequency that is produced by the LC self-excited oscillator can produce bigger error, therefore can influence the correct judgement of rabbit position.
In addition, the hardware circuit wave filter built of element such as traditional employing amplifier, resistance, electric capacity does not have performance-adjustable.
The utility model content
In order to realize the accurate location of pipeline cleaner, reduce the interference that interference wave caused, the utility model embodiment provides a kind of novel pipeline pig tracing orientator.Described technical scheme is as follows:
A kind of novel pipeline pig tracing orientator comprises:
Transmitter is arranged in the pipeline cleaner, is used to launch electromagnetic signal;
And tracker, be used to receive the electromagnetic signal of described transmitter, by the electromagnetic signal that is received is discerned, determine the position of ducted pipeline cleaner, be provided with in the described transmitter and be used to produce the singlechip controller that transmits, and the temperature compensating crystal oscillator of clock signal is provided to singlechip controller;
Be provided with the singlechip controller that is used to handle institute's receiving electromagnetic signals in the described tracker, and the digital filter that is connected with described singlechip controller, be used for signal recognition data disposal system;
Described singlechip controller produces the electromagnetic signal of fixed frequency and launches after amplifying through signal Processing, signal, described tracker enters singlechip controller after receiving the signal of described transmitter emission, and carry out the filtration of undesired signal through digital filter, signal after the filtration carries out signal identification through data handling system, when recognizing the electromagnetic signal of described transmitter emission, described data handling system gives the alarm.
The electromagnetic signal that described singlechip controller produced is that frequency is the standard sine wave signal of 22Hz.
Described singlechip controller adopts the discontinuous signal radiation pattern, and its cycle of transmitting is 1～1.5 second.
Described digital filter adopts the two second order universal switch electric capacity active filters of MAX260.
Further, also be provided with LCD in the described tracker, described LCD is connected with data handling system with described singlechip controller respectively, can show signal waveform and the signal waveform of displayed record after data handling system identification that filtering is preceding in real time.
Described tracker is provided with audible alarm and photoelectric alarm, and when described tracker received and identified to described transmitter signal, LCD was when showing its signal waveform and with audible alarm or photoelectric alarm.
Further, be provided with data memory module and data query module in the described data handling system, be used to store and check the recognition time of the electromagnetic signal that is recognized; Be provided with waveform memory module and waveform enquiry module in the described LCD, be used for storage and check detected waveform and data.
The beneficial effect of the technical scheme that the utility model embodiment provides is:
By transmitter and tracker are adopted the digitized processing mode, make its more accurate position that detects rabbit in the pipeline, for pigging efficiently provides assurance.
Transmitter adopts the low-power scm controller, provide clock signal by temperature compensating crystal oscillator, can produce standard sine wave accurate at interval, fixed-frequency, frequency is 22 ± 0.6Hz, be subjected to ectocine very little, transmitter simultaneously of the present utility model adopts chopping mode, and the cycle is between 1～1.5 second, to save electric energy, increase working time or to be that artificial cognition provides known conditions.
Tracker of the present utility model adopts MAX260 to constitute the dual band pass wave filter, with the ultra-low frequency scope of frequency lock in the transmitter emission, thereby increased anti-jamming capacity, compared with the hardware circuit wave filter that elements such as traditional employing amplifier, resistance, electric capacity are built that circuit is simpler, precision is higher, reliability is stronger.
Have the waveform Presentation Function, on the waveform that shows, rabbit draws near, the operational process of making a return journey from the close-by examples to those far off comes into plain view.In tracker, be provided with waveform Presentation Function and signal recognition function, make the operator have enough foundations to make clear and definite judgement like this.
In data handling system and LCD, be provided with memory module and enquiry module, can realize unattended working method, alleviate staff's working strength.
Description of drawings
In order to be illustrated more clearly among the utility model embodiment
Technical scheme, the accompanying drawing of required use is done to introduce simply in will describing embodiment below, apparently, accompanying drawing in describing below only is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the theory diagram of the utility model transmitter;
Fig. 2 is the theory diagram of the utility model tracker;
Fig. 3 is the utility model transmitter emitting antenna circuit theory diagrams;
Fig. 4 is the singlechip controller circuit theory diagrams of the utility model transmitter;
Fig. 5 is a MAX260 dual band pass filter circuit schematic diagram of the present utility model;
Fig. 6 is the singlechip controller circuit theory diagrams of the utility model tracker;
Fig. 7 is the utility model tracker signal recognition method block diagram.
Embodiment
For making the purpose of this utility model, technical scheme and advantage clearer, the utility model embodiment is described in further detail below in conjunction with accompanying drawing.
The utility model comprises transmitter and tracker, Figure 1 shows that the transmitter principle block diagram, Figure 2 shows that the tracker theory diagram.By in Fig. 1 transmitter principle block diagram as can be seen, be provided with singlechip controller in the transmitter, supply with the power-supply system and the expanding system interface of singlechip controller power supply, the temperature compensating crystal oscillator of clock signal is provided to singlechip controller; The electromagnetic signal that singlechip controller produced is that frequency is the standard sine wave signal of 22Hz, sine wave signal amplifies the back to external emission by signal Processing, signal, singlechip controller adopts the discontinuous signal radiation pattern, its cycle of transmitting is 1～1.5 second, to save electric energy, increase working time or to be that artificial cognition provides known conditions, wherein transmitter emitting antenna circuit theory diagrams as shown in Figure 3, the singlechip controller circuit theory diagrams of transmitter are as shown in Figure 4.
From Fig. 2 tracker theory diagram as can be seen, the tracked instrument of electromagnetic signal that transmitter is launched receives, enter singlechip controller through signal shaping, gain-adjusted, signal picker, its circuit theory diagrams as shown in Figure 6, and the process digital filter filters out undesired signal, signal after the filtration carries out signal identification through data handling system to be handled, and its signal recognition method as shown in Figure 7.
Usually tracker can produce the reason of false alarm, is that the signal that instrument will receive is that the signal that transmitter is launched is a ultra-low frequency signal, and therefore nature can receive terrestrial magnetic field, electromagnetic field signal.Adopt the instrument of digital filtering technique can eliminate the interference of terrestrial magnetic field to a great extent.Data filter of the present utility model adopts the MAX260 filtering chip, its circuit theory diagrams as shown in Figure 5, MAX260 is the two second order universal switch electric capacity active filters of CMOS, accurately controls filter function by microprocessor.It can constitute that various bands are logical, low pass, high pass, trap and all-pass configuration, and does not need outer member.Each device contains two second order filters, and centre frequency f is set under programmed control
0, quality factor q and wave filter working method.64 step centre frequencies controls, the quality factor control of 128 steps, independently quality factor and centre frequency programming guarantee that clock frequency is to centre frequency f
0The ratio precision is 1%.
Tracker wherein utilizes MAX260 to constitute the dual band pass wave filter, with the ultralow frequency frequency range of frequency lock in the transmitter emission, thereby has increased anti-jamming capacity.The signal that digital filter is finished dealing with is input to single-chip microcomputer, the ultra-low frequency signal that single-chip microcomputer is sampled, filtering identifies 22Hz after amplifying, following.When having only requirements such as frequency when signal, number of samples, sampling time, amplitude all to satisfy setting value, this signal just can be considered to the signal of transmitter emission, tracker will start hummer and produce warning, simultaneously detection time of institute's detection signal is recorded in the data memory module in the data handling system, and checks the recognition time of the electromagnetic signal that is recognized by data query module wherein.
On tracker, dispose 5.7 in addition ", 320x240 point LCDs; it mainly acts on is video data and waveform; can show the signal that tracker is received in real time; this signal is the signal before the identification of singlechip controller signal; can objectively react the residing environmental magnetic field situation of tracker; be that environment is measured in more rational selection, provides the rationalization foundation for avoiding environmental factor to produce wrong report.When receiving transmitter signal, LCD can show current signal waveform and with audible alarm or photoelectric alarm, from vision with acoustically can both give prompting intuitively.
Be provided with waveform memory module and waveform enquiry module in the LCD, be used for storage and check detected waveform and data, can pass through LCD query display record result at any time.
On the waveform that shows, rabbit draws near, the operational process of making a return journey from the close-by examples to those far off comes into plain view.In tracker, be provided with waveform Presentation Function and signal recognition function, because depending merely on the tracker of signal intensity triggering warning often reports by mistake, even report to the police after receiving signal by tracker, the operator can not make clear and definite judgement because of there being enough foundations to be difficult to yet.
The above only is preferred embodiment of the present utility model, and is in order to restriction the utility model, not all within spirit of the present utility model and principle, any modification of being done, is equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (7)
1. novel pipeline pig tracing orientator comprises:
Transmitter is arranged in the pipeline cleaner, is used to launch electromagnetic signal;
And tracker, be used to receive the electromagnetic signal of described transmitter, by the electromagnetic signal that is received is discerned, determine the position of ducted badger, it is characterized in that:
Be provided with in the described transmitter and be used to produce the singlechip controller that transmits, and the temperature compensating crystal oscillator of clock signal is provided to singlechip controller;
Be provided with the singlechip controller that is used to handle institute's receiving electromagnetic signals in the described tracker, and the digital filter that is connected with described singlechip controller, be used for signal recognition data disposal system;
The singlechip controller of described transmitter produces the electromagnetic signal of fixed frequency and launches after amplifying through signal Processing, signal, described tracker enters in the singlechip controller of tracker after receiving the signal of described transmitter emission, and carry out the filtration of undesired signal through digital filter, signal after the filtration carries out signal identification through data handling system, when recognizing the electromagnetic signal of described transmitter emission, described data handling system gives the alarm.
2. novel pipeline pig tracing orientator according to claim 1 is characterized in that:
The electromagnetic signal that described singlechip controller produced is that frequency is the standard sine wave signal of 22Hz.
3. novel pipeline pig tracing orientator according to claim 2 is characterized in that:
Described singlechip controller adopts the discontinuous signal radiation pattern, and its cycle of transmitting is 1～1.5 second.
4. novel pipeline pig tracing orientator according to claim 1 is characterized in that:
Described digital filter adopts the two second order universal switch electric capacity active filters of MAX260.
5. according to the arbitrary described novel pipeline pig tracing orientator of claim 1-4, it is characterized in that:
Also be provided with LCD in the described tracker, described LCD is connected with data handling system with described singlechip controller respectively, can show signal waveform and the signal waveform of displayed record after data handling system identification that filtering is preceding in real time.
6. novel pipeline pig tracing orientator according to claim 5 is characterized in that:
Described tracker is provided with audible alarm and photoelectric alarm, and when described tracker received and identified to described transmitter signal, LCD was when showing its signal waveform and with audible alarm or photoelectric alarm.
7. novel pipeline pig tracing orientator according to claim 6 is characterized in that:
Be provided with data memory module and data query module in the described data handling system, be used to store and check the recognition time of the electromagnetic signal that is recognized; Be provided with waveform memory module and waveform enquiry module in the described LCD, be used for storage and check detected waveform and data.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200617287U CN202018515U (en) | 2011-03-10 | 2011-03-10 | Novel pipeline-cleaner tracking and positioning instrument |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200617287U CN202018515U (en) | 2011-03-10 | 2011-03-10 | Novel pipeline-cleaner tracking and positioning instrument |
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| CN202018515U true CN202018515U (en) | 2011-10-26 |
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| CN2011200617287U Expired - Lifetime CN202018515U (en) | 2011-03-10 | 2011-03-10 | Novel pipeline-cleaner tracking and positioning instrument |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102679165A (en) * | 2012-04-27 | 2012-09-19 | 东北大学 | Device and method for positioning inner detector in submarine pipeline |
| CN103634017A (en) * | 2013-12-09 | 2014-03-12 | 沈阳永业实业有限公司 | Ultralow-frequency electromagnetic wave receiver of tube cleaner |
| CN104019326A (en) * | 2014-06-11 | 2014-09-03 | 中国石油大学(北京) | Positioning system, device and method of pipeline cleaning device |
| CN106051379A (en) * | 2016-05-27 | 2016-10-26 | 沈阳鑫联石化设备有限公司 | Remote monitor and monitoring method of tube cleaner |
| US9535039B2 (en) | 2014-04-30 | 2017-01-03 | Control Devices, Inc. | Acoustic transmitter and method for underwater pipeline inspection gauges |
| CN108120971A (en) * | 2017-12-12 | 2018-06-05 | 中国特种设备检测研究院 | Desired signal recognition methods, device, ground tracking equipment and system |
| CN113049673A (en) * | 2020-12-14 | 2021-06-29 | 陕西泰诺特检测技术有限公司 | Signal transmitter for detecting, tracking and positioning in pipeline |
| CN116159820A (en) * | 2021-11-24 | 2023-05-26 | 中国石油天然气股份有限公司 | A pig passes through signal monitoring devices for pipeline pigging operation |
-
2011
- 2011-03-10 CN CN2011200617287U patent/CN202018515U/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102679165A (en) * | 2012-04-27 | 2012-09-19 | 东北大学 | Device and method for positioning inner detector in submarine pipeline |
| CN102679165B (en) * | 2012-04-27 | 2013-12-18 | 东北大学 | Device and method for positioning inner detector in submarine pipeline |
| CN103634017A (en) * | 2013-12-09 | 2014-03-12 | 沈阳永业实业有限公司 | Ultralow-frequency electromagnetic wave receiver of tube cleaner |
| CN103634017B (en) * | 2013-12-09 | 2015-06-17 | 沈阳永业实业有限公司 | Ultralow-frequency electromagnetic wave receiver of tube cleaner |
| US9535039B2 (en) | 2014-04-30 | 2017-01-03 | Control Devices, Inc. | Acoustic transmitter and method for underwater pipeline inspection gauges |
| CN104019326A (en) * | 2014-06-11 | 2014-09-03 | 中国石油大学(北京) | Positioning system, device and method of pipeline cleaning device |
| CN106051379A (en) * | 2016-05-27 | 2016-10-26 | 沈阳鑫联石化设备有限公司 | Remote monitor and monitoring method of tube cleaner |
| CN108120971A (en) * | 2017-12-12 | 2018-06-05 | 中国特种设备检测研究院 | Desired signal recognition methods, device, ground tracking equipment and system |
| CN113049673A (en) * | 2020-12-14 | 2021-06-29 | 陕西泰诺特检测技术有限公司 | Signal transmitter for detecting, tracking and positioning in pipeline |
| CN116159820A (en) * | 2021-11-24 | 2023-05-26 | 中国石油天然气股份有限公司 | A pig passes through signal monitoring devices for pipeline pigging operation |
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| C14 | Grant of patent or utility model | ||
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Granted publication date: 20111026 |
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| CX01 | Expiry of patent term |