CN212695932U - Speed regulating system of detector in pipeline - Google Patents
Speed regulating system of detector in pipeline Download PDFInfo
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- CN212695932U CN212695932U CN202021780362.4U CN202021780362U CN212695932U CN 212695932 U CN212695932 U CN 212695932U CN 202021780362 U CN202021780362 U CN 202021780362U CN 212695932 U CN212695932 U CN 212695932U
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Abstract
The utility model discloses a speed regulating system of a detector in a pipeline, which is based on a speed regulating device and comprises at least two sensors, an analog quantity acquisition board respectively connected with the sensors, a motor control board connected with the analog quantity acquisition board and used for controlling the rotation of a motor and a power module used for supplying power; the sensors are respectively arranged on the mileage wheel of the speed regulating device and are used for acquiring the rotating angle data of the mileage wheel and transmitting the data to the analog quantity acquisition board; the motor control board calculates and obtains the speed of the speed regulating device in the pipeline according to the mileage of the speed regulating device from the analog quantity acquisition board in the pipeline, and then compares the obtained speed information with a set threshold value to control the motor to rotate in a non-rotation mode, a forward rotation mode or a reverse rotation mode. The utility model discloses keep pipeline intelligence internal detector under optimum speed constantly at all times for the discernment rate of accuracy of internal detector improves.
Description
Technical Field
The utility model relates to a speed governing system of detector in pipeline belongs to the pipeline and examines technical field in.
Background
The natural gas petroleum pipeline is used as a main carrier for transporting and storing energy, becomes an indispensable part in the transportation process, and in the use process, the pipeline transportation amount is reduced, natural gas petroleum leaks and other conditions are caused by various reasons, so that the natural gas petroleum pipeline needs to be detected and maintained at intervals, and the intelligent internal detector for detecting in the natural gas petroleum pipeline is produced.
The optimal running speed of the intelligent inner detector of the pipeline is 2-3 m/s, so that various defects of the inner wall and the outer wall of the pipeline can be better detected, but the conveying amount of the detector is limited due to too much deposition of wax, coal ash or corrosion fragments in some pipelines; or the elevation is too high, which can cause the running speed of the intelligent internal detector to be too slow; furthermore, the fall is large, which causes the falling speed of the detector to be too fast, and the detector to be damaged, so that it is necessary to control the speed of the intelligent detector.
The speed governing system of detector all is that the detection engineer predetermines according to the pressure value of pipeline in the current pipeline, predetermines the speed before sending the detector, if foresee the speed too fast, then at the packing cup trompil, increases and lets out leakage quantity, reduces pressure differential, plays the effect of underspeed. And vice versa. The operation belongs to blind control, the situation is changed in a detection process, and the prejudgment is inaccurate, so that the movement speed of the detector is too high or too low, and the identification and the positioning of defects are influenced; serious problems can result in jamming or damage to the detector.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a speed governing system of detector in pipeline, the speed governing system of detector keeps the detector in pipeline intelligence under optimum speed all the time throughout for the discernment rate of accuracy of inner detector improves.
In order to achieve the above purpose, the utility model adopts the technical scheme that: a speed regulating system of a detector in a pipeline is based on a speed regulating device and comprises at least two sensors, an analog quantity acquisition board respectively connected with the sensors, a motor control board connected with the analog quantity acquisition board and used for controlling the rotation of a motor, and a power supply module used for supplying power;
the sensors are respectively arranged on the mileage wheel of the speed regulating device and are used for acquiring the rotating angle data of the mileage wheel and transmitting the data to the analog quantity acquisition board;
the analog quantity acquisition board calculates and obtains the mileage of the speed regulating device in the pipeline according to the angle data of the mileage wheel from the sensor;
the motor control board calculates and obtains the travelling speed of the speed regulating device in the pipeline according to the travelling mileage of the speed regulating device from the analog quantity acquisition board in the pipeline, and then compares the obtained speed information with a set threshold value to control the motor to rotate in a non-rotating, forward rotating or reverse rotating mode;
the output shaft of the motor is connected with a speed regulating plate on the speed regulating device and used for driving the speed regulating plate to rotate according to an instruction from a motor control plate so as to change the area of the air passing channel;
the power module is used for supplying power to the system.
The further improved scheme in the technical scheme is as follows:
1. in the above scheme, the power module includes main power supply, stand-by power supply and monitoring unit, the monitoring unit is used for monitoring the power supply condition of main power supply, when monitoring that main power supply voltage is low or cut off the power supply, switches stand-by power supply and supplies power for the system.
2. In the above scheme, when the monitoring unit monitors that the main power supply voltage is too low or is powered off, the standby power supply is switched to supply power to the system, and the output shaft of the motor is rotated to the initial position through the motor control board so as to close the air passing channel.
3. In the above scheme, the three sensors are all Hall sensors and are respectively installed on the three mileage wheels.
4. In the scheme, the analog quantity acquisition board compares, screens and calculates data from the three sensors to obtain the mileage of the speed regulating device in the pipeline.
Because of above-mentioned technical scheme's application, compared with the prior art, the utility model have the following advantage:
the utility model discloses the speed governing system of detector in pipeline, it has solved current detector speed adjusting device and needs artifical manual regulation, easily predetermine and adjust inaccurate problem, according to real-time speed in the testing process, carry out intelligent speed governing, always keep the detector in the pipeline intelligence under optimal speed often, make the discernment rate of accuracy of interior detector improve, thereby guarantee to obtain the most complete defect, pipeline characteristic information such as welding seam, can also protect the interior detector effectively, avoid the interior detector to take place the stagnation or collide.
Drawings
FIG. 1 is a schematic block diagram of an electrical structure of a speed control system of the in-pipeline detector of the present invention;
fig. 2 is a mechanical structure diagram of the speed control system of the detector in the pipeline of the present invention.
In the above drawings: 1. a sensor; 2. an analog quantity acquisition board; 3. a motor; 4. a motor control board; 5. and a power supply module.
Detailed Description
In the description of this patent, it is noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The meaning of the above terms in this patent may be specifically understood by those of ordinary skill in the art.
Example 1: a speed regulating system of a detector in a pipeline is based on a speed regulating device and comprises at least two sensors 1, an analog quantity acquisition board 2 respectively connected with the sensors 1, a motor control board 4 connected with the analog quantity acquisition board 2 and used for controlling a motor 3 to rotate, and a power supply module 5 used for supplying power;
the sensors 1 are respectively arranged on the mileage wheels of the speed regulating device and used for collecting the angle data of the mileage wheels and transmitting the angle data to the analog quantity collecting board 2;
the analog quantity acquisition board 2 calculates and obtains the mileage of the speed regulating device in the pipeline according to the rotating angle data of the mileage wheel from the sensor 1;
the motor control board 4 calculates and obtains the speed of the speed regulating device in the pipeline according to the mileage of the speed regulating device from the analog quantity acquisition board 2 in the pipeline, and then compares the obtained speed information with a set threshold value to control the motor 3 to rotate in a non-rotating, forward rotating or reverse rotating mode;
the output shaft of the motor 3 is connected with a speed regulating plate on the speed regulating device and used for driving the speed regulating plate to rotate according to an instruction from a motor control plate 4 so as to change the area of the air passing channel;
the power module 5 is used for supplying power to the system.
The power module 5 comprises a main power supply, a standby power supply and a monitoring unit, wherein the monitoring unit is used for monitoring the power supply condition of the main power supply, and switching the standby power supply to supply power to the system when the monitoring unit monitors that the voltage of the main power supply is too low or the power is cut off;
when the monitoring unit monitors that the voltage of the main power supply is too low or the power is cut off, the standby power supply is switched to supply power to the system, and meanwhile, the output shaft of the motor 3 is rotated to the initial position through the motor control panel 4 so as to close the air passing channel.
Example 2: a speed regulating system of a detector in a pipeline is based on a speed regulating device and comprises at least two sensors 1, an analog quantity acquisition board 2 respectively connected with the sensors 1, a motor control board 4 connected with the analog quantity acquisition board 2 and used for controlling a motor 3 to rotate, and a power supply module 5 used for supplying power;
the sensors 1 are respectively arranged on the mileage wheels of the speed regulating device and used for collecting the angle data of the mileage wheels and transmitting the angle data to the analog quantity collecting board 2;
the analog quantity acquisition board 2 calculates and obtains the mileage of the speed regulating device in the pipeline according to the rotating angle data of the mileage wheel from the sensor 1;
the motor control board 4 calculates and obtains the speed of the speed regulating device in the pipeline according to the mileage of the speed regulating device from the analog quantity acquisition board 2 in the pipeline, and then compares the obtained speed information with a set threshold value to control the motor 3 to rotate in a non-rotating, forward rotating or reverse rotating mode;
the output shaft of the motor 3 is connected with a speed regulating plate on the speed regulating device and used for driving the speed regulating plate to rotate according to an instruction from a motor control plate 4 so as to change the area of the air passing channel;
the power module 5 is used for supplying power to the system.
The three sensors 1 are all Hall sensors and are respectively arranged on three mileage wheels; the analog quantity acquisition board 2 compares, screens and calculates the data from the three sensors 1 to obtain the mileage of the speed regulating device in the pipeline;
when the speed of the speed regulating device obtained by the motor control board 4 in the pipeline exceeds a set speed range, the motor control board 4 controls the motor 3 to rotate towards one direction, the area of the air passage is increased to reduce the front-back pressure difference of the speed regulating device, so that the thrust borne by the speed regulating device is reduced, and the speed of the speed regulating device is reduced; the motor 3 rotates in a joggling manner, only by a small angle at a time.
Adopt the speed governing system of above-mentioned detector in pipeline, it has solved current detector speed adjusting device needs artifical manual regulation, judge easily and adjust inaccurate problem in advance, according to real-time speed in the testing process, carry out intelligent speed governing, always keep pipeline intelligent internal detector under optimal speed often for the discernment rate of accuracy of internal detector improves, thereby guarantee to obtain the most complete defect, pipeline characteristic information such as welding seam, can also protect internal detector effectively, avoid internal detector to take place the stagnation or collide.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.
Claims (5)
1. The utility model provides a speed governing system of detector in pipeline, is based on a speed adjusting device which characterized in that: the device comprises at least two sensors (1), an analog quantity acquisition board (2) respectively connected with the sensors (1), a motor control board (4) connected with the analog quantity acquisition board (2) and used for controlling a motor (3) to rotate, and a power supply module (5) used for supplying power;
the sensors (1) are respectively arranged on the mileage wheel of the speed regulating device and used for acquiring the rotating angle data of the mileage wheel and transmitting the data to the analog quantity acquisition board (2);
the analog quantity acquisition board (2) calculates and obtains the mileage of the speed regulating device in the pipeline according to the angle data rotated by the mileage wheel from the sensor (1);
the motor control board (4) calculates and obtains the speed of the speed regulating device in the pipeline according to the mileage of the speed regulating device from the analog quantity acquisition board (2) in the pipeline, compares the obtained speed information with a set threshold value, and controls the motor (3) to rotate not, rotate forwards or rotate backwards;
the output shaft of the motor (3) is connected with a speed regulation plate on the speed regulation device and is used for driving the speed regulation plate to rotate according to an instruction from a motor control plate (4) so as to change the area of the air passing channel;
the power supply module (5) is used for supplying power to the system.
2. The system of claim 1, wherein: the power module (5) comprises a main power supply, a standby power supply and a monitoring unit, wherein the monitoring unit is used for monitoring the power supply condition of the main power supply, and when the monitoring unit monitors that the voltage of the main power supply is too low or the power is cut off, the standby power supply is switched to supply power to the system.
3. The in-pipe detector governor system of claim 2, wherein: when the monitoring unit monitors that the voltage of the main power supply is too low or the power is cut off, the standby power supply is switched to supply power to the system, and meanwhile, the output shaft of the motor (3) is rotated to the initial position through the motor control panel (4) so as to close the air passing channel.
4. The speed regulating system of the detector in the pipeline according to any one of claims 1 to 3, characterized in that: the three sensors (1) are all Hall sensors and are respectively arranged on the three mileage wheels.
5. The system of claim 4, wherein: the analog quantity acquisition board (2) compares, screens and calculates the data from the three sensors (1) to obtain the mileage of the speed regulating device in the pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021780362.4U CN212695932U (en) | 2020-08-24 | 2020-08-24 | Speed regulating system of detector in pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021780362.4U CN212695932U (en) | 2020-08-24 | 2020-08-24 | Speed regulating system of detector in pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212695932U true CN212695932U (en) | 2021-03-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021780362.4U Active CN212695932U (en) | 2020-08-24 | 2020-08-24 | Speed regulating system of detector in pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212695932U (en) |
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2020
- 2020-08-24 CN CN202021780362.4U patent/CN212695932U/en active Active
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