CN202057808U - Novel passage indicator - Google Patents

Novel passage indicator Download PDF

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Publication number
CN202057808U
CN202057808U CN2011201671787U CN201120167178U CN202057808U CN 202057808 U CN202057808 U CN 202057808U CN 2011201671787 U CN2011201671787 U CN 2011201671787U CN 201120167178 U CN201120167178 U CN 201120167178U CN 202057808 U CN202057808 U CN 202057808U
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China
Prior art keywords
module
signal
ball
crossing
display module
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CN2011201671787U
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Chinese (zh)
Inventor
苏涛
霍伟静
李志伟
武立波
刘立业
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TIANJIN GREENTSING PIPELINE TECHNOLOGY CO., LTD.
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TIANJIN LUQING PIPELINE TECHNOLOGY DEVELOPMENT Co Ltd
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Abstract

The present utility model discloses a novel passage indicator which comprises a power supply module, a tracking and positioning module for collecting passage signals, a display module for displaying passage information, and a GPRS communication module for uploading the passage information in a wireless way. The current output of the power supply module is respectively connected with the current inputs of the tracking and positioning module, the display module and the GPRS communication module, the signal output of the tracking and positioning module is connected with the signal input of the display module to trigger the display module when the passage signals are collected, and the data output of the display module is connected with the data input of the GPRS communication module. By adopting the novel passage indicator, nondestructive tests of pipes can be realized, and the monitoring of passing bodies inside the pipes can be realized at different places without special guards, thus the novel passage indicator is suitable for working under conditions of lacking tracking works, such as bad road conditions and dangerous areas.

Description

The novel ball indicator of crossing
Technical field
The utility model relates to the oil gas long distance pipeline detection range of energy transportation aspect, particularly a kind of novel ball indicator of crossing that is used to detect operational outfit in the pipeline.
Background technology
In the prior art, carry out in pigging and the testing process at oil and gas pipeline, in order to determine exactly whether operational outfit passes through the appointed place in the pipe, that crosses that ball indicator becomes each station must use equipment, but traditional ball indicator excessively is a plug-in type, need carry out opening to pipeline and handle, can bring potential safety hazard, and degree of accuracy is low, data can't store, cause pipeline interior by the damage of body and many drawbacks such as reduction of handling capacity easily to pipeline.External existing non-insertion is crossed ball indicator, though can realize the Non-Destructive Testing of pipeline, but there is not wireless telecommunication system, during pipe detection, each crosses ball indicator all needs the special messenger to guard, and operation can't be followed the tracks of in relatively abominable or hazardous location in the pipeline road conditions, and its application has certain limitation, and cost an arm and a leg, about every hundreds thousand of units.
The utility model content
At the deficiencies in the prior art, the purpose of this utility model is to provide that a kind of can realize pipeline is carried out Non-Destructive Testing and do not need the special messenger just to guard can be to carrying out the novel ball indicator of crossing of strange land monitoring by body in the pipeline, makes the novel ball indicator of crossing of the present utility model can be applicable to that the relatively more abominable or hazardous location of pipeline road conditions etc. can't follow the tracks of under the condition of operation.
The technical solution of the utility model is achieved in that the novel ball indicator of crossing, comprise power module, gathered the track and localization module of ball signal, show the display module of ball information and realized the GPRS communication module that the ball information wireless is uploaded, the output of the electric current of described power module respectively with described track and localization module, the electric current input of described display module and described GPRS communication module is connected, the signal output of described track and localization module is connected with the signal input of described display module and triggered described display module when gathering the ball signal, and the data output of described display module is connected with the data input of described GPRS communication module.
The above-mentioned novel ball indicator of crossing, described track and localization module is a magnetic signal acquisition module.
The above-mentioned novel ball indicator of crossing, described track and localization module is the electromagnetic signal acquisition module.
The above-mentioned novel ball indicator of crossing, described track and localization module is made up of magnetic signal acquisition module and electromagnetic signal acquisition module.
The above-mentioned novel ball indicator of crossing, described magnetic signal acquisition module comprises:
Gather magnetic signal and convert magnetic signal to Magnetic Sensor that the voltage difference is exported,
The set/reset pin of described Magnetic Sensor is pulsed with the pulsing circuit of the influence of eliminating historical magnetic field,
Regulate the adaptive circuit of the size of current and the direction of described Magnetic Sensor,
The amplifying circuit that the voltage signal that described Magnetic Sensor is exported amplifies,
Signal to described amplifying circuit output carries out the main control MCU that A/D changes and carries out signal screening and identification,
Described pulsing circuit, described Magnetic Sensor, described amplifying circuit and described main control MCU are connected successively, and described main control MCU also is connected with described pulsing circuit, and described adaptive circuit is connected with described Magnetic Sensor; Described magnetic signal acquisition module is connected with described display module by described main control MCU.
The above-mentioned novel ball indicator of crossing, described electromagnetic signal acquisition module comprise the transmitter that was installed on the ball and are installed in the described receiver of crossing on the ball indicator that the signal output of described receiver is connected with the signal input of main control MCU; Described electromagnetic signal acquisition module is connected with described display module by described main control MCU.
The above-mentioned novel ball indicator of crossing, described receiver comprise signals collecting amplifying circuit and the filter amplification circuit that is connected with the signal output of described signals collecting amplifying circuit, are connected with receiving antenna on the described signals collecting amplifying circuit.
The beneficial effects of the utility model are: (1) has the GPRS remote communicating function, can will cross ball information by the GPRS communication module and send to Control Room automatically, realized the strange land by body (as rabbit, detecting device etc.) in the pipeline is monitored, reduced operating cost, realized the tracking operation of or hazardous location relatively more abominable in the pipeline road conditions; Simultaneously, save the travel day and night with all possible speed labor of tracking of tracking individuals, reduced labour intensity, reduced risks, improved reliability and security, had high-precision detection and comparatively cheap advantages such as price, filled up China's pipeline market blank in this regard.(2) can discern magnetic signal and low frequency electromagnetic signals simultaneously, enlarge the range of application of crossing ball indicator.(3) the novel ball indicator of crossing of the present utility model is installed on the pipeline outside, need not perforate on pipeline, has realized the Non-Destructive Testing to pipeline, is convenient to install, safeguard.
Description of drawings
Fig. 1 is a novel structural representation of crossing ball indicator of the present utility model;
Fig. 2 is a novel structural representation of crossing the track and localization module of ball indicator of the present utility model;
Fig. 3 is a novel program flow diagram of crossing the magnetic signal acquisition module of ball indicator of the present utility model;
Fig. 4 is novel main control MCU and a peripheral circuit diagram thereof of crossing ball indicator of the present utility model;
Fig. 5 is a novel signals collecting amplification circuit diagram of crossing ball indicator of the present utility model;
Fig. 6 is the novel filter amplification circuit figure that crosses ball indicator of the present utility model;
Fig. 7 is a novel main control MCU circuit diagram of crossing ball indicator of the present utility model;
Fig. 8 is the novel signal identification process figure that crosses the electromagnetic signal acquisition module of ball indicator of the present utility model;
Fig. 9 is a novel main program flow chart of crossing the electromagnetic signal acquisition module of ball indicator of the present utility model;
Figure 10 is a novel GPRS communication module GC864 circuit diagram of crossing ball indicator of the present utility model;
Figure 11 is a novel main program flow chart of crossing the GPRS communication module of ball indicator of the present utility model;
Figure 12 is that novel network dial of crossing the GPRS communication module of ball indicator of the present utility model connects process flow diagram;
Figure 13 is the novel power module circuitry figure that crosses ball indicator of the present utility model.
Among the figure: 1-power module, 2-track and localization module, 3-display module, 4-GPRS communication module, the 211-pulsing circuit, 212-Magnetic Sensor, 213-amplifying circuit, 214-main control MCU, the 215-adaptive circuit, 222-receiver, 223-signals collecting amplifying circuit, 224-filter amplification circuit.
Embodiment
In conjunction with the accompanying drawings the utility model is described further:
As shown in Figure 1, the novel ball indicator of crossing of present embodiment comprises power module 1, gathered the track and localization module 2 of ball signal, show the display module 3 of ball information and realized the GPRS communication module 4 that the ball information wireless is uploaded, the output of the electric current of described power module 1 respectively with described track and localization module 2, the electric current input of described display module 3 and described GPRS communication module 4 is connected, the signal output of described track and localization module 2 is connected with the signal input of described display module 3 and triggered described display module 3 when gathering the ball signal, and the data output of described display module 3 is connected with the data input of described GPRS communication module 4.Described track and localization module 2 is made up of magnetic signal acquisition module and electromagnetic signal acquisition module.
As shown in Figure 2, described magnetic signal acquisition module comprises pulsing circuit 211, Magnetic Sensor 212, amplifying circuit 213 and the main control MCU 214 that connects successively, described main control MCU 214 also is connected with described pulsing circuit 211, and described Magnetic Sensor 212 also is connected with adaptive circuit 215.Described Magnetic Sensor 212 can detect the changes of magnetic field of 30uGs sensitively for carrying out the high sensitivity magnetic field sensor that downfield is gathered, and it is gathered magnetic signal and converts magnetic signal the output of to voltage difference; The set/reset pin of 211 pairs of described Magnetic Sensors 212 of described pulsing circuit is pulsed to eliminate the influence in historical magnetic field, makes described Magnetic Sensor 212 remain high sensitivity; The size of current of the described Magnetic Sensor 212 of described adaptive circuit 215 adjustings and direction, can change the bias current of regulating described Magnetic Sensor 212 automatically with environment and the direction that described Magnetic Sensor 212 is placed, thus the interference of elimination environmental magnetic field; The voltage signal of 213 pairs of described Magnetic Sensor 212 outputs of described amplifying circuit amplifies (for example signal is exaggerated 500 times), voltage signal after described amplifying circuit 213 will amplify outputs to described main control MCU 214 and carries out the A/D conversion, and described main control MCU 214 is further carried out signal screening and identification.In the present embodiment, described main control MCU 214 adopts the MSP430F149 single-chip microcomputer (A/D converter that carries) of TI company, it controls the break-make of described pulsing circuit 211 by digital switch, and described Magnetic Sensor adopts AD22151, and the amplification chip of described amplifying circuit 213 adopts MAX4194.Described magnetic signal acquisition module is connected with described display module 3 by described main control MCU 214.
The A/D converter that single-chip microcomputer MSP430F149 carries converts this analog voltage signal to digital signal, and the speed that conversion is carried out is 400khz, this digital signal is adopted the method filtering of averaging; Then, whether single-chip microcomputer MSP430F149 analyzes this signal affected by environment, is the sensitivity of then regulating described Magnetic Sensor 212, makes it be operated in state the sensitiveest, minimum affected by environment.Regulate to finish back continuous collecting signal, and the signal characteristic of analytic signal when whether meeting ball,, judge otherwise give up to gather again if meet then send alerting signal.
The problem that adopts Magnetic Sensor to gather the magnetic signal most critical is to eliminate the interference of external environment and the identification of useful signal, for eliminating the interference of external environment, has adopted in the present embodiment and has repeatedly gathered the method for averaging.Aspect useful signal identification, adopt the algorithm of the surplus profound ripple of identification, through a large amount of tractive experiments, verified the validity of this algorithm.Fig. 3 is the program flow diagram of magnetic signal acquisition module, and its operational process is as follows:
(1) behind the electrification reset all hardware is carried out initialization, open interruption then.
(2) start timer,, adopt the method for timing acquiring during program design, at the uniform velocity gather with the frequency of 400khz for obtaining magnetic field curve over time.
(3) for eliminate disturbing, 64 points of every collection, averaging obtains a point, and experiment shows that this method can effectively eliminate external environmental interference.
(4) program that at every turn enters all will be carried out the self-adaptation adjusting, and program is eliminated the influence in historical magnetic field by biasing/resetting current of regulating described Magnetic Sensor 212, makes described Magnetic Sensor 212 be in the sensitiveest detected state all the time.After an alerting signal was sent, program can be carried out self-adaptation once more and be regulated.
(5) data that collect are brought signal Recognition Algorithm into, judge whether to be cosine wave (CW), are then to send the warning pulse, judge otherwise continue sampling.
Described electromagnetic signal acquisition module comprises that being installed on ball (is to pass through body in the pipeline, as rabbit or detecting device) on transmitter and be installed in as described in cross receiver 222 on the ball indicator, the signal output of described receiver 222 is connected with the signal input of main control MCU 214; Described electromagnetic signal acquisition module is connected with described display module 3 by described main control MCU 214.Described receiver 222 comprises signals collecting amplifying circuit 223 and the filter amplification circuit 224 that is connected with the signal output of described signals collecting amplifying circuit 223, is connected with receiving antenna on the described signals collecting amplifying circuit 223.Signal amplifying part divides the accurate chopped wave stabilizing operational amplifier of the main LinCMOS of employing TLC2652 to amplify, and signal processing mainly adopts general programmable active filter MAX260 to carry out filtering.
Transmitter continues to produce low frequency signal, and this signal carried out signal amplifies, power amplification, on transmitter, produce certain exchange current, utilize exchange current to produce alternating magnetic field, alternating magnetic field produces electric field, has realized that signal is to the transmission in the external world in the pipeline, thereby in the receiving antenna of receiver 222, produce induction electromotive force, through processes such as filtering, amplification, identification processing, realized accurately receiving emission information at receiving end, carried out the identification of ball signal.
Can produce wrong report owing to be subjected to the interference of terrestrial magnetic field, ambient electromagnetic field,, make the signal in the particular frequency range produce warning, reduce rate of false alarm effectively so native system has adopted the mode of digital filtering+frequency identification to handle to the received signal.
Figure 4 shows that main control MCU and peripheral circuit diagram thereof, Fig. 5 is the signals collecting amplification circuit diagram, and Fig. 6 is the signal filtering amplification circuit diagram.The electromagnetic signal of receiving antenna receiver/transmitter emission among Fig. 5, through elementary amplification, Filtering Processing, obtain comparatively stable signal, filter amplification circuit in Fig. 6 is carried out accurate filtering, further processing and amplifying then, obtain the signal of needed special frequency band, for described main control MCU 214 analyzing and processing.
Fig. 9, main program flow chart and the signal identification process figure of being respectively shown in Figure 8, signal number by frequency identification, signal encoding identification and continuous acquisition was judged the ball situation, signal collected meeting the requirements promptly has been considered as rabbit and passed through, carrying out ball reports to the police, otherwise give up data, gather again.
GPRS communication module 4 receives the data that display module 3 transmits, data are sent to the host computer of Control Room by network, when network does not connect or is unstable, can data be sent to the mobile phone of appointment with way of short messages, thereby the wireless remote of having realized data is uploaded, realized unmanned guard, no longer with the traditional mode operation: one or lineup carry marker (being traditional tracked instrument) fixed point and keep watch, after marker is reported to the police, the people is writing time, and reported ball information to total activation, save the labor of tracking round the clock.
As Fig. 7, Figure 10 and shown in Figure 11, main control MCU 214 (MSP430F149) sends to GPRS communication module 4 (GC864 of Telit wireless communication technology) by serial ports with AT instruction, realize dial-up connection function, link maintenance function, master control borad to the data transmission of wireless data sending plate, with the pass on Gong functions such as handoff functionality, Remote Wake Up of energy, GPRS and note of data transmission, the standby note number of host computer.
GPRS communication module 4 with on server is connected after need data transmission and keep the normal of link, if there is not exchanges data for a long time, China Mobile will regain this link and use for other users, therefore, in order to keep connecting is unobstructed, cross that the ball signal is artificial before not arriving to send some useless packets of keeping circuit (being heartbeat packet) to host computer, these packets are concerning data and cross the ball system without any practical significance, but keep the unimpeded requisite packet of link.
Dial-up connection, main control MCU 214 sends to GPRS communication module GC864 by serial ports with the AT instruction, makes the gateway of GPRS communication module GC864 and China Mobile carry out exchanges data, obtains IP address and signal intensity, and the subroutine of dial-up connection is as shown in figure 12.
In order to find network problem more convenient, more timely, GPRS communication module 4 sends to display module 3 with state (whether installing), network signal intensity, the network connection state data such as (whether connecting) of detected address card, display module 3 is presented at corresponding state on the liquid crystal earlier, like this, even the layman also can pass through the timely awareness network state of display interface.
When GPRS network connection failure or GPRS network aborted, data just can not in time be uploaded, for this reason the utility model designed standby note number pass on Gong can, GPRS network connection failure or when unusual, automatically and rapidly, accurately switch to the SMS pattern, data are sent to designated mobile phone by note, this function is not subjected to the restriction of GPRS network, requirement to host computer is also lower, only needs the mobile phone that can receive note to get final product.Shortcoming is the restriction that is subjected to mobile SMS network delay, can't guarantee real-time Transmission.
In addition, the utility model has designed the Remote Wake Up function, when the GPRS network aborted, the phone number of the mobile phone card that can install by any mobile phone dialing terminal, after hearing ringback tone, hang up and get final product, the ring-back of hearing one to two both can be hung up, and GPRS communication module 4 can reconnect network according to wake-up signal automatically.
The utility model adopts the power supply of outside 24V power supply, but because the novel ingredient of crossing ball indicator is many, each module required voltage has nothing in common with each other, so designed the power module 1 of crossing each system's power supply of ball indicator to novel.Figure 13 shows that power circuit diagram, external 24V power supply converts 8V voltage to through PU1, and then further is converted to needed 7.2V, ± 5V, 3.3V etc.PU1 voltage transitions chip LM2576 among the figure, have very little voltage regulation factor and current regulation, load driving ability with 3A, LM2576 can export the fixed voltage of 3.3V, 5V, 12V, 15V and have the adjustable adjustable voltage way of output of voltage, also has very strong thermal diffusivity.
The novel ball indicator of crossing of present embodiment can be realized pipeline Non-Destructive Testing (being non-insertion), the collection of magnetic signal and electromagnetic signal and GPRS telecommunication.When passing through body (rabbit/detecting device etc.) and cross ball indicator in the pipeline by present embodiment novel, track and localization module 2 was gathered the ball signal, be that magnetic signal acquisition module and low frequency electromagnetic signals acquisition module are gathered magnetic signal and low frequency electromagnetic signals respectively, trigger display module 3 in the time of track and localization module 2 acquired signal, display module 3 record related datas, and data are sent to GPRS communication module 4, upload by GPRS communication module 4 realization the wireless of data, data are in time fed back to the staff of Control Room, and display module 3 can demonstrate ball information on the spot, and operating personnel can check the nearest 10 times ball information of crossing on the spot on its user interface.
Present embodiment novel crosses the test that ball indicator has passed through repeatedly ground naked pipe and actual pipeline pigging.Be 30 tractive data in the following table, speed is about 2 meter per seconds.
Figure BSA00000502396600091
Figure BSA00000502396600101
The utility model repeatedly is widely used in pipe detection, pigging operation, and the result shows respond well, has reached re-set target.

Claims (7)

1. the novel ball indicator of crossing, it is characterized in that, comprise power module (1), gathered the track and localization module (2) of ball signal, show the display module (3) of ball information and realized the GPRS communication module (4) that the ball information wireless is uploaded, the output of the electric current of described power module (1) respectively with described track and localization module (2), the electric current input of described display module (3) and described GPRS communication module (4) is connected, the signal output of described track and localization module (2) is connected with the signal input of described display module (3) and triggered described display module (3) when gathering the ball signal, and the data output of described display module (3) is connected with the data input of described GPRS communication module (4).
2. the novel ball indicator of crossing according to claim 1 is characterized in that described track and localization module (2) is a magnetic signal acquisition module.
3. the novel ball indicator of crossing according to claim 1 is characterized in that described track and localization module (2) is the electromagnetic signal acquisition module.
4. the novel ball indicator of crossing according to claim 1 is characterized in that described track and localization module (2) is made up of magnetic signal acquisition module and electromagnetic signal acquisition module.
5. according to claim 2 or the 4 described novel ball indicators of crossing, it is characterized in that described magnetic signal acquisition module comprises:
Gather magnetic signal and convert magnetic signal to Magnetic Sensor (212) that the voltage difference is exported,
The set/reset pin of described Magnetic Sensor (212) is pulsed with the pulsing circuit (211) of the influence of eliminating historical magnetic field,
Regulate the adaptive circuit (215) of the size of current and the direction of described Magnetic Sensor (212),
The amplifying circuit (213) that the voltage signal that described Magnetic Sensor (212) is exported amplifies,
Signal to described amplifying circuit (213) output carries out the main control MCU (214) that A/D changes and carries out signal screening and identification;
Described pulsing circuit (211), described Magnetic Sensor (212), described amplifying circuit (213) and described main control MCU (214) are connected successively, described main control MCU (214) also is connected with described pulsing circuit (211), and described adaptive circuit (215) is connected with described Magnetic Sensor (212); Described magnetic signal acquisition module is connected with described display module (3) by described main control MCU (214).
6. according to claim 3 or the 4 described novel ball indicators of crossing, it is characterized in that, described electromagnetic signal acquisition module comprises the transmitter that was installed on the ball and is installed in the described receiver of crossing on the ball indicator (222) that the signal output of described receiver (222) is connected with the signal input of main control MCU (214); Described electromagnetic signal acquisition module is connected with described display module (3) by described main control MCU (214).
7. the novel ball indicator of crossing according to claim 6, it is characterized in that, described receiver (222) comprises signals collecting amplifying circuit (223) and the filter amplification circuit (224) that is connected with the signal output of described signals collecting amplifying circuit (223), is connected with receiving antenna on the described signals collecting amplifying circuit (223).
CN2011201671787U 2011-05-24 2011-05-24 Novel passage indicator Expired - Lifetime CN202057808U (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104834820A (en) * 2015-05-13 2015-08-12 西安翼飞软件科技有限公司 Passive detection and tracking information processing system for pipeline injected balls
US9535039B2 (en) 2014-04-30 2017-01-03 Control Devices, Inc. Acoustic transmitter and method for underwater pipeline inspection gauges
CN110361784A (en) * 2019-08-23 2019-10-22 北京市燃气集团有限责任公司 A kind of pig tracing localization method and position indicator based on wireless transmission
CN112728294A (en) * 2020-12-28 2021-04-30 佛山科学技术学院 Monitoring device, positioning method and positioning system of pipe cleaner and storage medium

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9535039B2 (en) 2014-04-30 2017-01-03 Control Devices, Inc. Acoustic transmitter and method for underwater pipeline inspection gauges
CN104834820A (en) * 2015-05-13 2015-08-12 西安翼飞软件科技有限公司 Passive detection and tracking information processing system for pipeline injected balls
CN110361784A (en) * 2019-08-23 2019-10-22 北京市燃气集团有限责任公司 A kind of pig tracing localization method and position indicator based on wireless transmission
CN112728294A (en) * 2020-12-28 2021-04-30 佛山科学技术学院 Monitoring device, positioning method and positioning system of pipe cleaner and storage medium

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Address after: 301712, Wuqing District, Tianjin City, the ancient town of King Zhuang Economic Zone

Patentee after: TIANJIN GREENTSING PIPELINE TECHNOLOGY CO., LTD.

Address before: 301712 Tianjin District of Wuqing City Industrial Park Road No. 8 Keihin Taiyuan

Patentee before: Tianjin Luqing Pipeline Technology Development Co., Ltd.

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Granted publication date: 20111130