CN109238350A - A kind of sensor-based pipeline conditions monitoring system - Google Patents

A kind of sensor-based pipeline conditions monitoring system Download PDF

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Publication number
CN109238350A
CN109238350A CN201810855844.2A CN201810855844A CN109238350A CN 109238350 A CN109238350 A CN 109238350A CN 201810855844 A CN201810855844 A CN 201810855844A CN 109238350 A CN109238350 A CN 109238350A
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pipeline
state
module
main control
control module
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罗君
张文秋
刘翰林
肖钧
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Sichuan Xi Niu Matrix Technology Co Ltd
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Sichuan Xi Niu Matrix Technology Co Ltd
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01DMEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D21/00Measuring or testing not otherwise provided for
    • G01D21/02Measuring two or more variables by means not covered by a single other subclass

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  • General Physics & Mathematics (AREA)
  • Emergency Alarm Devices (AREA)
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Abstract

The invention discloses a kind of sensor-based pipeline conditions to monitor system, wherein wireless communication module is used to establish wireless communication connection with remote server;Detection switch is used for when pipeline is inserted into, and sends open state signal, when pipeline is unplugged, sends off status signal;The acceleration information and motion trace data that main control module is used to be acquired according to acceleration transducer and gyro sensor calculate the state parameter of pipeline, and when receiving open state signal, if state parameter is more than the first preset threshold, then determine the working condition that pipeline is under insert state, otherwise determine that pipeline is in the stationary state under insert state, and when receiving off status signal, if state parameter is more than the second preset threshold, then determine that pipeline is in the motion state pulled up under state, otherwise determines that pipeline is in the stationary state pulled up under state.The present invention can carry out intelligent real time monitoring to pipeline conditions.

Description

A kind of sensor-based pipeline conditions monitoring system
Technical field
The present invention relates to Monitoring Pinpelines technical field, especially a kind of sensor-based pipeline conditions monitor system.
Background technique
Currently, people supervise still in blank out the intelligent and high-efficiency of the pipeline works state such as various water pipes, sewage pipe, It is most of to still rely on the original job mode manually supervised, such as the whole process of water on train, blowdown operation, pipeline Working condition is lacked and is effectively supervised using artificial intelligence technology dependent on artificial supervision, and supervisory efficiency is low, there are security risk, Once accident occurs, very serious consequence will be caused.
Summary of the invention
Goal of the invention of the invention is: in view of the above problems, providing a kind of sensor-based pipeline conditions Monitoring system can carry out intelligent real time monitoring to pipeline conditions.
In order to solve the above technical problems, one technical scheme adopted by the invention is that: a kind of sensor-based pipe is provided Road condition monitoring system, including main control module, wireless communication module, detection switch, gyro sensor and acceleration transducer; The wireless communication module is used to establish wireless communication connection with remote server;The detection switch in pipeline for being inserted into When, open state signal is sent to the main control module, and when pipeline is unplugged, sends off status letter to the main control module Number;The acceleration transducer is used to acquire the acceleration information of pipeline;The gyro sensor is opposite for acquiring pipeline The motion trace data of the earth;The main control module is used to calculate pipeline according to the acceleration information and motion trace data State parameter, and when receiving open state signal, if the state parameter is more than the first preset threshold, determine that pipeline is in Working condition under insert state determines that pipeline is in insert state if the state parameter is less than the first preset threshold Under stationary state, and when receiving off status signal, if the state parameter is more than the second preset threshold, determine to manage Road is in the motion state pulled up under state, if the state parameter is less than the second preset threshold, determines that pipeline is in and pulls out Stationary state under lower state, while the status information of pipeline is sent to remote server by wireless communication connection, Wherein, first preset threshold is higher than the second preset threshold.
Preferably, the main control module is also used to reach in pipeline in the duration for the stationary state pulled up under state When the first preset duration, control wireless communication module, detection switch and gyro sensor are in close state, while being sentenced in real time Whether disconnected acceleration information is more than third predetermined threshold value, if acceleration information is more than third predetermined threshold value, determines that pipeline is in The motion state under state is pulled up, and it is in running order to control wireless communication module, detection switch and gyro sensor.
Preferably, the pipeline conditions monitoring system further includes position locating module, and the position locating module is for obtaining The current geographic position of pipeline is taken, is in close state under the position locating module default situations;The main control module is also used In after pipeline reaches the second preset duration in the duration for the stationary state pulled up under state, it is with third preset duration Period open position locating module, and heartbeat bag data and current geographic position are sent to remote server.
Preferably, pipeline conditions monitoring system further includes near-field communication module, the near-field communication module be used for Near-field devices establish near-field communication connection, and the main control module is also used to connect the status information of pipeline by near-field communication and send out It send to near-field devices, and while control wireless communication module, detection switch and gyro sensor are in close state, Control near-field communication module is in close state.
Preferably, the wireless communication is connected as NB-IOT connection, bluetooth connection, WIFI connection and LoRa connection.
Preferably, the pipeline conditions monitoring system further includes power management module and battery, the power management module For to battery voltage and current and wireless charging parameter be monitored, and battery is filled with wireless charging mode Electricity.
Preferably, the pipeline conditions monitoring system further includes alarm indicating module, and the main control module is also used to receive The warning information of remote server, and the alarm indicating module is controlled according to the warning information and issues alarm.
Preferably, the main control module is also used in the brownout of battery, is controlled the alarm indicating module and is issued Alarm.
Preferably, the position locating module obtains the current geographic position of pipeline by GPS or Beidou Navigation System.
In conclusion by adopting the above-described technical solution, sensor-based pipeline conditions of the invention monitor system The data of pipeline are acquired by detection switch, gyro sensor and acceleration transducer, main control module is according to these data Judge the state of pipeline, so as to carry out intelligent real time monitoring to pipeline conditions, can intelligent automatic identification pipeline it is current State, eliminate human intervention, accurate judgement eliminates safe hidden trouble, and ensures equipment safety operation, people's property safety is lost It is preferably minimized.
Detailed description of the invention
Fig. 1 is the functional block diagram of sensor-based pipeline conditions monitoring system of the embodiment of the present invention.
Fig. 2 is the logic flow of the main control module of sensor-based pipeline conditions monitoring system of the embodiment of the present invention Figure.
Specific embodiment
All features disclosed in this specification or disclosed all methods or in the process the step of, in addition to mutually exclusive Feature and/or step other than, can combine in any way.
Any feature disclosed in this specification (including any accessory claim, abstract), unless specifically stated, It is replaced by other equivalent or with similar purpose alternative features.That is, unless specifically stated, each feature is a series of An example in equivalent or similar characteristics.
As shown in Figure 1, in embodiments of the present invention, sensor-based pipeline conditions monitoring system includes including master control mould Block 10, wireless communication module 20, detection switch 30, gyro sensor 40 and acceleration transducer 50.Pipeline conditions monitoring System can integrate in box body, and be mounted on the outside or inside of pipeline.
Wireless communication module 20 is used to establish wireless communication connection with remote server 100.Wherein, wireless communication connection example For example NB-IOT connection, bluetooth connection, WIFI connection and LoRa connection.
Detection switch 30 is used for when pipeline is inserted into, and sends open state signal to main control module 10, and in pipeline quilt When pulling up, off status signal is sent to main control module 10.Wherein, detection switch 30 may include mechanical linkage which controls, work as pipeline When being inserted into, mechanical linkage which controls are opened, so that detection switch 30 sends open state signal;When pipeline is unplugged, machinery connection Motivation structure is closed, so that detection switch 30 sends off status signal.
Acceleration transducer 50 is used to acquire the acceleration information of pipeline.
Gyro sensor 40 is for acquiring the motion trace data of pipeline relative to the earth.
Main control module 10 is used to calculate the state parameter of pipeline according to acceleration information and motion trace data, and is receiving When to open state signal, if state parameter is more than the first preset threshold, the working condition that pipeline is under insert state is determined, If state parameter is less than the first preset threshold, the stationary state that pipeline is under insert state is determined, and receiving When off status signal, if state parameter is more than the second preset threshold, determine that pipeline is in the motion state pulled up under state, if State parameter is less than the second preset threshold, then determines that pipeline is in and pull up stationary state under state, while by the shape of pipeline State information connects be sent to remote server by wireless communication, wherein the first preset threshold is higher than the second preset threshold.The shape State parameter can be to be calculated based on existing algorithm.
Main control module 10 shows that pipeline is in insert state, further, if at this time when receiving open state signal Pipeline is working, then its acceleration and motion profile are very fierce, state parameter will be more than the first preset threshold, from And the analysis of main control module 10 obtains the working condition that pipeline is under insert state;If pipeline does not work at this time, Acceleration and motion profile are very faint, and state parameter will not be over the first preset threshold, so that main control module 10 is analyzed Obtain the stationary state that pipeline is under insert state.Main control module 10 shows that pipeline is in when receiving off status signal State is pulled up, further, if the acceleration of pipeline and motion profile are fiercer at this time, state parameter will be more than the Two preset thresholds, so that main control module 10 is analyzed and show that pipeline is in and pull up motion state under state, such as pipeline by It moves;If the acceleration of pipeline and motion profile are very faint at this time, state parameter will not be over the second preset threshold, Show that pipeline is in the stationary state pulled up under state to which main control module 10 is analyzed, such as pipeline is laid flat on the ground.Master control The logic flow of module 10 is as shown in Figure 2.
Since pipeline is at work (upper water or blowdown), Oscillation Amplitude is much bigger than usual, therefore, the first default threshold Value should be arranged higher than the second preset threshold, and specific setting can be decided according to the actual requirements.
Since remote server 100 can obtain in real time the status information of pipeline, thus other data can be cooperated to come pair Pipeline is managed, such as remote server is when getting the operating instruction of certain column train, if the pipeline on the column train When stationary state under the working condition or insert state under insert state, manager's pipeline can be prompted not pulled out also Under, so that manager arranges to pull up in pipeline in time, in order to avoid cause the accident.Announcement is understood in time in order to facilitate the user of pipeline Alert information, in the present embodiment, pipeline conditions monitoring system further include alarm indicating module 60, and main control module 10 is also used to receive The warning information of remote server 100, and alarm indicating module 60 is controlled according to warning information and issues alarm.Alert indicating module 60 be, for example, loudspeaker or indicator light.
In the present embodiment, main control module 10 is also used in duration of the pipeline in the stationary state pulled up under state When reaching the first preset duration, control wireless communication module 20, detection switch 30 are in close state with gyro sensor 40, Whether real-time judge acceleration information is more than third predetermined threshold value simultaneously, if acceleration information is more than third predetermined threshold value, is sentenced Determine pipeline and be in the motion state pulled up under state, and controls wireless communication module 20, detection switch 30 and gyro sensor 40 is in running order.
When pipeline reaches the first preset duration in the duration for the stationary state pulled up under state, show that pipeline is flat Being put on the ground has been more than certain time, and in following a period of time, pipeline will may also remain static, in order to reduce power consumption, Main control module 10 controls wireless communication module 20, detection switch 30 is in close state with gyro sensor 40, to save electricity Amount, acceleration transducer 50 and main control module 10 then need work, and acceleration transducer 50 can be in the pipe to remain static When road is lifted or moves, acceleration information can be collected in time, as long as the acceleration information is more than third predetermined threshold value, Main control module 10 determines that pipeline is in the motion state pulled up under state.Certainly, in the process, acceleration transducer 50 can be with In low power consumpting state, main control module 10 may be at dormant state, and acceleration transducer 50 is when monitoring slight vibration Normal condition can be immediately entered and carry out Quick Acquisition acceleration information, main control module 10 receive after acceleration information can immediately by It wakes up and enters normal condition.
Further, pipeline conditions monitoring system further includes near-field communication module 70, near-field communication module 70 be used for it is close Field device establishes near-field communication connection, and main control module 10 is also used to for the status information of pipeline being sent to by near-field communication connection Near-field devices, and be in close state with gyro sensor 40 in control wireless communication module 20, detection switch 30 same When, control near-field communication module 70 is in close state.Near-field communication connection for example, NFC pairing connection.
Pipeline conditions monitoring system further includes power management module 80 and battery 81, and power management module 80 is used for battery 81 voltage and current and wireless charging parameter is monitored, and is charged with wireless charging mode to battery 81.Due to Environment locating for pipeline is more complicated, does not have the condition of charging under normal conditions, and in order to meet power demands, electricity can be set Pond 81, battery 81 can be charged by power management module 80 with wireless charging mode.Further, main control module 10 is also used In in the brownout of battery 81, control alarm indicating module 60 issues alarm, to prompt pipeline user to replace electricity in time Pond charges the battery.
In the present embodiment, pipeline conditions monitoring system further includes position locating module 90, and position locating module 90 is used for The current geographic position of pipeline is obtained, is in close state under 90 default situations of position locating module;Main control module 10 is also used to It is week with third preset duration after pipeline reaches the second preset duration in the duration for the stationary state pulled up under state Phase open position locating module 90, and heartbeat bag data and current geographic position are sent to remote server 100.Heartbeat packet number According to remote server 100 can be allowed to determine, pipeline conditions monitoring system is in normal condition, and current geographic position can allow remotely Server 100 determines the position of pipeline, convenient for management.Position locating module 60 can be obtained by GPS or Beidou Navigation System Take the current geographic position of pipeline.
Sensor-based pipeline conditions monitoring system of the invention will be described in detail with specific example below.? In the specific example, upper water or blowdown of the pipeline for train.
When pipeline is inserted on train, main control module 10 receives the open state signal of detection switch 30, but manages Road does not work, and main control module 10 calculates state parameter according to acceleration information and motion trace data, by state parameter with First preset threshold is compared, which is not above the first preset threshold, and main control module 10 is therefore, it is determined that at pipeline Stationary state under insert state, and status information is sent to remote server 100 by NB-IOT communication connection.
When water on pipeline or blowdown, whole process is in vibrational state, and vibration frequency and amplitude are very big, master control Module 10 calculates state parameter according to acceleration information and motion trace data, and state parameter and the first preset threshold are carried out It compares, which is more than the first preset threshold, and main control module 10 is therefore, it is determined that pipeline is in the work shape under insert state State, and status information is sent to remote server 100 by NB-IOT communication connection.
After water on pipeline or blowdown, vibration weakening, main control module 10 is according to acceleration information and motion profile number According to state parameter is calculated, since main control module 10 receives the open state signal of detection switch 30, and the state parameter does not have More than the first preset threshold, main control module 10 is therefore, it is determined that pipeline is in the stationary state under insert state, and by status information Remote server 100 is sent to by NB-IOT communication connection.
It should be noted that if pipeline is not unplugged, main control module 10 determines that pipeline is in insert state always, and Always state parameter is compared with the first preset threshold.
When pipeline is unplugged, main control module 10 receives the off status signal of detection switch 30, during pipeline is unplugged And during moving or moving, Oscillation Amplitude and frequency are larger, and main control module 10 is according to acceleration information and motion profile Data calculate state parameter, and state parameter is compared with the second preset threshold, which is more than the second default threshold Value, main control module 10 is therefore, it is determined that pipeline is in the motion state pulled up under state, and status information is communicated by NB-IOT Connection is sent to remote server 100.
After pipeline is unplugged and is stood, vibration disappearance, main control module 10 is according to acceleration information and motion trace data State parameter is calculated, state parameter is compared with the second preset threshold, which is not above the second default threshold Value, main control module 10 is therefore, it is determined that pipeline is in the stationary state pulled up under state, and status information is communicated by NB-IOT Connection is sent to remote server 100.
When pipeline be unplugged and be placed on ground it is static more than 2 minutes when, that is, the first preset duration is 2 minutes, main It controls module 10 and controls wireless communication module 20, detection switch 30, gyro sensor 40 and near-field communication module 70 in closing State, to achieve the purpose that power saving.
When pipeline continue stand 5 it is small when after, that is, the second preset duration be 5 hours, main control module 10 with 5 hours for week Phase sends heartbeat bag data and current geographic position to remote server 100, that is to say, that third preset duration is 5 hours. It is in close state under 30 default situations of position locating module so as to power saving, only needs to send current geographic in main control module 10 It just opens when position, and is closed again after obtaining current geographic position, until needing main control module 10 to send currently next time It can be just again turned on when geographical location.
When original place is lifted or moves in static pipeline, vibration is being generated in a flash, acceleration transducer 50 exists Monitor that normal condition is immediately entered when slight vibration carrys out Quick Acquisition acceleration information, main control module 10 receives acceleration It is waken up immediately after data and enters normal condition, while controlled control wireless communication module 20, detection switch 30, gyroscope and passing Sensor 40 and near-field communication module 70 are in the open state.If state parameter is not above the second preset threshold, master control at this time Module 10 then still determines that pipeline is in the stationary state for state of pulling up, and otherwise will determine that pipeline is in the movement shape for state of pulling up State.
By the above-mentioned means, the embodiment of the present invention sensor-based pipeline conditions monitoring system by detection switch, Gyro sensor and acceleration transducer acquire the data of pipeline, and main control module judges the shape of pipeline according to these data State, so as to carry out intelligent real time monitoring to pipeline conditions, can the current state of intelligent automatic identification pipeline, eliminate artificial Intervene, accurate judgement eliminates safe hidden trouble, and ensures equipment safety operation, and the loss of people's property safety is preferably minimized.
The invention is not limited to specific embodiments above-mentioned.The present invention, which expands to, any in the present specification to be disclosed New feature or any new combination, and disclose any new method or process the step of or any new combination.

Claims (9)

1. a kind of sensor-based pipeline conditions monitor system, which is characterized in that including main control module, wireless communication module, Detection switch, gyro sensor and acceleration transducer;
The wireless communication module is used to establish wireless communication connection with remote server;
The detection switch is used for when pipeline is inserted into, and sends open state signal to the main control module, and in pipeline quilt When pulling up, off status signal is sent to the main control module;
The acceleration transducer is used to acquire the acceleration information of pipeline;
The gyro sensor is for acquiring the motion trace data of pipeline relative to the earth;
The main control module is used to calculate the state parameter of pipeline according to the acceleration information and motion trace data, and is connecing When receiving open state signal, if the state parameter is more than the first preset threshold, the work that pipeline is under insert state is determined Make state, if the state parameter is less than the first preset threshold, determines the stationary state that pipeline is under insert state, with And when receiving off status signal, if the state parameter is more than the second preset threshold, determines that pipeline is in and pull up state Under motion state, if the state parameter is less than the second preset threshold, determine pipeline be in pull up it is static under state State, while the status information of pipeline is sent to remote server by wireless communication connection, wherein described first is pre- If threshold value is higher than the second preset threshold.
2. pipeline conditions according to claim 1 monitor system, which is characterized in that the main control module is also used in pipeline When the duration of stationary state under state of pulling up reaches the first preset duration, control wireless communication module, detection are opened Pass is in close state with gyro sensor, while whether real-time judge acceleration information is more than third predetermined threshold value, if plus Speed data is more than third predetermined threshold value, then determines that pipeline is in the motion state pulled up under state, and control radio communication mold Block, detection switch and gyro sensor are in running order.
3. pipeline conditions according to claim 2 monitor system, which is characterized in that the pipeline conditions monitoring system is also wrapped Position locating module is included, the position locating module is used to obtain the current geographic position of pipeline, and the position locating module is silent It is in close state in the case of recognizing;
The main control module be also used to pipeline be in pull up stationary state under state duration reach second it is default when After length, using third preset duration as period open position locating module, and heartbeat bag data is sent to remote server and is worked as Preceding geographical location.
4. pipeline conditions according to claim 2 monitor system, which is characterized in that the pipeline conditions monitoring system is also wrapped Near-field communication module is included, the near-field communication module is connect for establishing near-field communication with near-field devices, and the main control module is also Near-field devices are sent to for connecting the status information of pipeline by near-field communication, and in control wireless communication module, inspection While survey switch is in close state with gyro sensor, control near-field communication module is in close state.
5. pipeline conditions according to any one of claims 1 to 4 monitor system, which is characterized in that the wireless communication connects It is connected in NB-IOT connection, bluetooth connection, WIFI connection and LoRa connection.
6. pipeline conditions according to claim 5 monitor system, which is characterized in that the pipeline conditions monitoring system is also wrapped Power management module and battery are included, the power management module is used to carry out the voltage and current and wireless charging parameter of battery Monitoring, and charged the battery with wireless charging mode.
7. pipeline conditions according to claim 6 monitor system, which is characterized in that the pipeline conditions monitoring system is also wrapped Alarm indicating module is included, the main control module is also used to receive the warning information of remote server, and according to the warning information It controls the alarm indicating module and issues alarm.
8. pipeline conditions according to claim 7 monitor system, which is characterized in that the main control module is also used in battery Brownout when, control the alarm indicating module and issue and alert.
9. pipeline conditions according to claim 3 monitor system, which is characterized in that the position locating module passes through GPS Or Beidou Navigation System obtains the current geographic position of pipeline.
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110081932A (en) * 2019-05-08 2019-08-02 四川新华物业有限公司 Water soil pick-up intelligent detection equipment and method on pipeline

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2511105B2 (en) * 1988-04-28 1996-06-26 株式会社東芝 Leakage position detector
US6965320B1 (en) * 2001-10-31 2005-11-15 Star Trak Pigging Technologies, Inc. Cathodic test lead and pig monitoring system
CN101619978A (en) * 2008-06-30 2010-01-06 鼎亿数码科技(上海)有限公司 Positioning method based on gyroscope and acceleration transducer
CN104919295A (en) * 2012-12-11 2015-09-16 管道监控公司 System and method for supervising, managing, and monitoring the structural integrity of a fluid- transportation pipeline network, for locating the leaking point, and for evaluating the extent of the failure
CN205898838U (en) * 2016-07-21 2017-01-18 福州智元仪器设备有限公司 Remove radiation source tracker
CN106444577A (en) * 2016-08-29 2017-02-22 武汉广远经济发展股份有限公司 Safety limited control system for water supply operation of high-speed rail station
CN107422832A (en) * 2017-06-21 2017-12-01 成都恒高科技有限公司 A kind of positioning label and its positioning method of work based on vibrating sensor
CN108279030A (en) * 2017-01-05 2018-07-13 沈拓 Passenger train water injection pipe state detection method based on acoustic detection

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2511105B2 (en) * 1988-04-28 1996-06-26 株式会社東芝 Leakage position detector
US6965320B1 (en) * 2001-10-31 2005-11-15 Star Trak Pigging Technologies, Inc. Cathodic test lead and pig monitoring system
CN101619978A (en) * 2008-06-30 2010-01-06 鼎亿数码科技(上海)有限公司 Positioning method based on gyroscope and acceleration transducer
CN104919295A (en) * 2012-12-11 2015-09-16 管道监控公司 System and method for supervising, managing, and monitoring the structural integrity of a fluid- transportation pipeline network, for locating the leaking point, and for evaluating the extent of the failure
CN205898838U (en) * 2016-07-21 2017-01-18 福州智元仪器设备有限公司 Remove radiation source tracker
CN106444577A (en) * 2016-08-29 2017-02-22 武汉广远经济发展股份有限公司 Safety limited control system for water supply operation of high-speed rail station
CN108279030A (en) * 2017-01-05 2018-07-13 沈拓 Passenger train water injection pipe state detection method based on acoustic detection
CN107422832A (en) * 2017-06-21 2017-12-01 成都恒高科技有限公司 A kind of positioning label and its positioning method of work based on vibrating sensor

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
张建伟,等: "基于排列熵的泵站压力管道运行状态监测", 《振动、测试与诊断》 *
格鲁夫: "《GNSS与惯性及多传感器组合导航系统原理》", 31 March 2015, 国防工业出版社 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110081932A (en) * 2019-05-08 2019-08-02 四川新华物业有限公司 Water soil pick-up intelligent detection equipment and method on pipeline

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