CN109580087B - Testing system and method for riser pressure sensor - Google Patents
Testing system and method for riser pressure sensor Download PDFInfo
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- CN109580087B CN109580087B CN201811516899.7A CN201811516899A CN109580087B CN 109580087 B CN109580087 B CN 109580087B CN 201811516899 A CN201811516899 A CN 201811516899A CN 109580087 B CN109580087 B CN 109580087B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L25/00—Testing or calibrating of apparatus for measuring force, torque, work, mechanical power, or mechanical efficiency
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L27/00—Testing or calibrating of apparatus for measuring fluid pressure
- G01L27/007—Malfunction diagnosis, i.e. diagnosing a sensor defect
Abstract
The invention discloses a system and a method for testing a riser pressure sensor, wherein the system comprises: a hydraulic test tool and a data acquisition system; the hydraulic test tool comprises: the hydraulic control system comprises a union tool for mounting a vertical pipe pressure sensor and a hydraulic pump for providing a preset pressure value for the vertical pipe pressure sensor, wherein the union tool is connected with the hydraulic pump; the data acquisition system includes: the safety box is used for converting an electric signal output by the vertical pipe pressure sensor under a preset pressure value, the industrial personal computer is used for determining an actual pressure value of the vertical pipe pressure sensor according to the converted signal, comparing the actual pressure value with the preset pressure value and determining the reliability of the vertical pipe pressure sensor according to a comparison result, and the safety box is respectively connected with the vertical pipe pressure sensor and the industrial personal computer on the union tool. The test system and the test method for the riser pressure sensor disclosed by the invention can effectively screen the riser pressure sensor with low reliability.
Description
Technical Field
The invention relates to the technical field of oilfield development, in particular to a system and a method for testing a riser pressure sensor.
Background
Pressure is one of the most basic parameters for measurement and control in production processes and scientific experiments, and a pressure sensor which measures pressure and can convert the pressure into an electric signal according to a certain rule becomes an important component for measuring the signal. The reliability of the sensor is very important and is directly related to the performance of the system in which it is used, affecting the quality and the speed of progress of production and construction and even bringing about serious personal safety problems. During the use of the sensor, the reliability concept can be regarded as non-failure, i.e. as the performance summary of the service indicators that guarantee the limits required by the technical conditions. When a pressure sensor fails, there are two main reasons:
1. the reliability of a pressure sensor is a function of time, and the reliability of the pressure sensor is continuously reduced along with the time due to the high-frequency pulse pressure or complex working conditions. Fig. 1 is a schematic structural diagram of an exponential distribution function of the reliability of the pressure sensor, and the distribution rule of the reliability of the pressure sensor along with time conforms to the rule shown in fig. 1, that is, the longer the service time is, the lower the reliability of the pressure sensor is. 2. The pressure sensor suffers mechanical component failure or electronic component damage.
The vertical pipe pressure sensor plays a role in receiving pulse pressure signals in logging-while-drilling operation, is a key link for realizing communication between a ground system and a downhole instrument, and can seriously influence the drilling timeliness and even cause shutdown hours once the vertical pipe pressure sensor fails. Therefore, in order to ensure the accuracy, stability and consistency of the measurement and transmission of the pressure signals by the riser pressure sensor, the reliability of the riser pressure sensor must be tested.
At present, the oil industry is lack of a test standard and a test system for the reliability of the riser pressure sensor. The reliability of the riser pressure sensor has not been effectively monitored.
Disclosure of Invention
In order to solve the technical problems, the invention provides a test system and a test method for a riser pressure sensor, which can effectively screen the riser pressure sensor with low reliability.
To achieve the object of the present invention, in a first aspect, the present invention provides a test system for a riser pressure sensor, comprising: a hydraulic test tool and a data acquisition system; the hydraulic testing tool is used for installing a stand pipe pressure sensor to be tested and providing a preset pressure value for the stand pipe pressure sensor; the data acquisition system is used for converting the electric signal output by the riser pressure sensor under the preset pressure value, determining the actual pressure value of the riser pressure sensor according to the converted signal, comparing the actual pressure value with the preset pressure value, and determining the reliability of the riser pressure sensor according to the comparison result, wherein:
the hydraulic test tool comprises: the hydraulic control system comprises a union tool for mounting the vertical pipe pressure sensor and a hydraulic pump for providing a preset pressure value for the vertical pipe pressure sensor, wherein the union tool is connected with the hydraulic pump;
the data acquisition system includes: the safety box is used for converting an electric signal output by the vertical pipe pressure sensor under the preset pressure value, the industrial personal computer is used for determining the actual pressure value of the vertical pipe pressure sensor according to the converted signal, comparing the actual pressure value with the preset pressure value and determining the reliability of the vertical pipe pressure sensor according to the comparison result, and the safety box is respectively connected with the vertical pipe pressure sensor on the oil union tool and the industrial personal computer.
In a second aspect, the present invention provides a method for testing a riser pressure sensor, comprising:
the hydraulic pump provides a preset pressure value for the riser pressure sensor to be tested;
the safety box converts the electric signal output by the vertical pipe pressure sensor under the preset pressure value;
and the industrial personal computer determines an actual pressure value of the riser pressure sensor according to the converted signal, compares the actual pressure value with the preset pressure value, and determines the reliability of the riser pressure sensor according to a comparison result.
The test system and the test method for the riser pressure sensor provided by the embodiment of the invention have the following beneficial effects: through the quantitative test of the riser pressure sensor, the riser pressure sensor with low reliability can be screened effectively, and the riser pressure sensor sent to a well site is guaranteed to pass the test and have the reliability reaching the standard.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the example serve to explain the principles of the invention and not to limit the invention.
FIG. 1 is a schematic structural diagram of a pressure sensor reliability index distribution function;
FIG. 2 is a schematic diagram of a prior art riser pressure sensor testing method;
FIG. 3 is a schematic structural diagram of a testing system for a riser pressure sensor provided by an embodiment of the invention;
FIG. 4 is a schematic diagram of a riser pressure sensor testing system provided by an embodiment of the present invention;
FIG. 5 is a schematic structural diagram of a security box provided in an embodiment of the present invention;
FIG. 6 is a schematic flow chart illustrating a method for testing a riser pressure sensor according to an embodiment of the invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail below with reference to the accompanying drawings. It should be noted that the embodiments and features of the embodiments in the present application may be arbitrarily combined with each other without conflict.
The steps illustrated in the flow charts of the figures may be performed in a computer system such as a set of computer-executable instructions. Also, while a logical order is shown in the flow diagrams, in some cases, the steps shown or described may be performed in an order different than here.
Fig. 2 is a schematic diagram illustrating a testing method of a conventional riser pressure sensor, and as shown in fig. 2, the testing method of the conventional technique for the riser pressure sensor includes: the hand-held wooden stick presses the stress induction point of the vertical pipe pressure sensor, and then the signals of the vertical pipe pressure sensor are received and processed by a temporary assembly ground system, and the pressure value is displayed. It specifically has the following problems:
1. the pressure sensor can judge that the piezoelectric conversion function of the pressure sensor to the pressure signal is normal, but because the pressure which is not constant and unknown in magnitude is applied to the sensor sensing point by a human hand-holding wooden stick, the consistency of the pressure detection of the sensor to the pressure cannot be quantitatively judged by the existing testing method, and the reliability of the pressure sensor of the riser cannot be comprehensively evaluated by the testing means. 2. The vertical pipe pressure sensor is designed to detect a liquid pressure signal, a solid is used for applying pressure to a sensing point in the current detection means, so that the pressure stress applied to a piezoelectric sensing material of the sensor is uneven, and the poking action on the piezoelectric sensing material causes overlarge change of the sensing pressure. Thus, existing testing methods are prone to irreversible damage to the riser pressure sensor. 3. There is no complete test system for testing of riser pressure sensors. Each test requires the temporary assembly of a complete set of complete ground systems. On one hand, the working efficiency of workers is reduced, and on the other hand, due to the fact that ground system resources are limited, the whole set of ground system needs to be occupied for testing the riser pressure sensor, and the utilization rate of equipment resources is reduced. 4. The test method can be completed by two persons operating at the same time, wherein one person is responsible for applying pressure to the riser pressure sensor, and the other person is responsible for acquiring data, so that the cost of occupied human resources for the test is relatively high.
The invention provides a test system and a test method of a riser pressure sensor, and aims to provide a test system and a test method of a quantitative standard, which are used for detecting the measurement, stability and consistency of a pressure signal of the riser pressure sensor and evaluating the reliability of the riser pressure sensor according to a detection result, so that the riser pressure sensor with low reliability or damage is screened. Secondly, rated hydraulic pressure can be provided for the riser pressure sensor, and the rated pressure can provide calibration data support for testing; meanwhile, the hydraulic pressure can be uniformly applied to the sensing points of the sensor, and the pressure sensor is prevented from being damaged due to uneven stress in the testing process. Thirdly, an independent data acquisition system is designed, the existing materials in the storehouse are collected, a safety box is manufactured by self, and the original occupied ground system set is replaced, so that the resource occupation of the ground system set in the testing process can be eliminated. Meanwhile, the physical power and time consumed by temporarily assembling the ground system in each test are saved, so that the purposes of reducing the labor intensity and improving the working efficiency are achieved. Fourthly, only need a staff alright accomplish the detection achievement of sensor, can reduce the human cost.
Fig. 3 is a schematic structural diagram of a test system of a riser pressure sensor according to an embodiment of the present invention, and as shown in fig. 3, the test system of the riser pressure sensor according to the embodiment of the present invention includes: a hydraulic test tool and a data acquisition system; the hydraulic testing tool is used for installing a stand pipe pressure sensor to be tested and providing a preset pressure value for the stand pipe pressure sensor; the data acquisition system is used for converting the electric signal output by the vertical pipe pressure sensor under the preset pressure value, determining the actual pressure value of the vertical pipe pressure sensor according to the converted signal, comparing the actual pressure value with the preset pressure value, and determining the reliability of the vertical pipe pressure sensor according to the comparison result.
Specifically, the test system of the riser pressure sensor in the embodiment of the invention can be composed of a hydraulic test tool and a data acquisition system. The hydraulic test tool is used for fixing the riser pressure sensor and providing a specified pressure value for the riser pressure sensor. The data acquisition system is used for converting the electric signal of the riser pressure sensor and judging the reliability of the riser pressure sensor according to the converted signal.
Specifically, the test system of the riser pressure sensor can simulate the working condition of the riser pressure sensor in an oil field well site, a preset pressure value is provided for the riser pressure sensor through the hydraulic test tool, and after the riser pressure sensor converts a received pressure signal into an electric signal, the electric signal is transmitted to the data acquisition system. The data acquisition system converts the electric signal, the actual pressure value of the riser pressure sensor is determined according to the converted electric signal, and whether the riser pressure sensor meets the use requirement of a well site or not can be judged by comparing a preset pressure value with the actual pressure value. According to the embodiment of the invention, the reliability of the riser pressure sensor can be evaluated according to the detection comparison result, so that the riser pressure sensor with low reliability or damage is screened out and is not put into a well site for use.
In this embodiment, as shown in fig. 3, the hydraulic test tool may include: the hydraulic control system comprises a union tool 1 for mounting a riser pressure sensor and a hydraulic pump 2 for providing a preset pressure value for the riser pressure sensor, wherein the union tool 1 is connected with the hydraulic pump 2.
Specifically, the riser pressure sensor may be mounted on the union tool 1 in the form of a flange, a thread, or welding. Taking the example that the riser pressure sensor is a Honeywell425 type riser pressure sensor, the riser pressure sensor can be fixed on the union tool 1 through a nut. Alternatively, the union tool 1 may be a 1502 type union. The specific structure of the union tool in this embodiment is the same as that in the prior art, and the implementation principle of the union tool for installing the riser pressure sensor is the same as that in the prior art, which is not described herein again in this embodiment.
Specifically, hydraulic pressure of a preset pressure value may be pumped to the riser pressure sensor through the hydraulic pump 2. According to one implementation mode, a pressure gauge is arranged on the hydraulic pump, and the pressure value provided by the hydraulic pump can be obtained through the pressure gauge; according to another implementation mode, the pressure sensor can be installed on the industrial personal computer, the industrial personal computer is connected with the hydraulic pump, and the pressure sensor in the industrial personal computer can detect the size of the pressure value provided by the hydraulic pump in real time. The industrial personal computer can be described in detail in the industrial personal computer 4 in the following embodiments. Alternatively, the hydraulic pump 2 may be a hand pump, and specifically may be an ultra-high pressure hand pump. The embodiment of the invention provides a preset pressure value by pumping hydraulic pressure. Meanwhile, when the hand pump provides the preset pressure value, the detection work of the sensor can be completed by only one worker, and the labor cost can be reduced.
According to the embodiment of the invention, the hydraulic pressure of the preset pressure value is pumped to the vertical pipe pressure sensor through the hydraulic pump 2, rated hydraulic pressure can be provided for the vertical pipe pressure sensor, and the rated pressure can provide the calibrated data support for the test.
In this embodiment, the predetermined pressure value may be determined based on the pressure sensed at the wellsite by the riser pressure sensor. For example, for a Honeywell425 type riser pressure sensor used at a wellsite, the pressure sensed at the wellsite is typically around 3000psi, p is pounds (pound), s is square (square), and i is inches (inch). At this time, the preset pressure value may be 3000 psi.
In this embodiment, the industrial computer can acquire preset pressure value through following embodiment, and an embodiment, preset pressure value can be set in advance in the industrial computer. In another embodiment, the industrial personal computer can be connected with the hydraulic pump to acquire the pressure value on the hydraulic pump in real time.
In this embodiment, as shown in fig. 3, the data acquisition system may include: the safety box 3 is used for converting an electric signal output by the vertical pipe pressure sensor under a preset pressure value, the industrial personal computer 4 is used for determining an actual pressure value of the vertical pipe pressure sensor according to the converted signal, comparing the actual pressure value with the preset pressure value, and determining the reliability of the vertical pipe pressure sensor according to a comparison result, and the safety box 3 is respectively connected with the vertical pipe pressure sensor and the industrial personal computer 4 on the union tool 1.
Specifically, the vertical pipe pressure sensor converts a pressure signal received by a preset pressure value into an electric signal, and the electric signal is processed by the safety box 3 and then transmitted to the industrial personal computer 4. The safety box 3 is used for converting the electric signal of the riser pressure sensor, and the industrial personal computer 4 is used for reading the pressure signal converted into the processed pressure signal and comparing the read pressure signal (actual pressure value) with a preset pressure value so as to judge the reliability of the riser pressure sensor.
Optionally, the industrial personal computer 4 determines the reliability of the riser pressure sensor according to the comparison result, and the method includes the following steps: and when the difference value between the actual pressure value and the preset pressure value is greater than the preset threshold value, judging that the reliability of the riser pressure sensor is low.
Specifically, when the difference between the actual pressure value of the riser pressure sensor and the preset pressure value is greater than the preset threshold value, it can be determined that the riser pressure sensor has low reliability, that is, the riser pressure sensor does not meet the use requirement of the well site, and is not put into use in the well site.
In this embodiment, the preset threshold may be determined according to the preset pressure value provided by the hydraulic pump 2 and the accuracy of the riser pressure sensor. For example, for a Honeywell model 425 riser pressure sensor used at a wellsite, the accuracy is ± 0.4%, and when the preset pressure value provided by the hydraulic pump 2 (the input pressure value of the riser pressure sensor) is 3000psi, the actual pressure value should be within the range of 3000 ± 12psi, the preset threshold value can be set to 12 psi. That is, when the difference between the actual pressure value and the preset pressure value exceeds 12psi, the riser pressure sensor can be determined to have low reliability and is not put into the well site for use.
Optionally, the industrial personal computer 4 may also be used to display the actual pressure value of the riser pressure sensor. In this embodiment, the actual pressure value of the riser pressure sensor may also be referred to as a display pressure value.
Fig. 4 is a schematic diagram of a testing system of a riser pressure sensor according to an embodiment of the present invention, and as shown in fig. 4, the testing system of the riser pressure sensor simulates a working condition of the sensor at a well site, and pumps 3000psi of hydraulic pressure to the riser pressure sensor through a hydraulic pump (such as an extra-high pressure hand pump), and the riser pressure sensor converts a received pressure signal into an electrical signal, and the electrical signal is processed by a safety box 3 and converted into an analog signal, and then transmitted to an industrial personal computer 4. The final analog signal is decoded by INSITE software in the industrial personal computer 4 and the reading of the riser pressure sensor is displayed. By comparing the input pressure (preset pressure value) and the display pressure (actual pressure value), whether the riser pressure sensor meets the use requirement of the well site can be judged. For the Honeywell model 425 riser pressure sensor used at the wellsite, the accuracy is ± 0.4%. When the input pressure is 3000psi, the pressure display should be within 3000 + -12 psi, and if the pressure exceeds this range, it can be determined that the reliability of the riser pressure sensor is low. Is not put into well sites.
The industrial personal computer 4 can be equipped with a data acquisition card (Combo card), the Combo card is installed on the industrial personal computer 4, and the data card can be connected with the simulation board in the safety box through a 37pin interface; and secondly, installing Insite logging software, and reading the pressure value of the riser pressure sensor output by the safety box through the Insite logging software. The implementation principle of the development and installation of the instate logging software is the same as that of the prior art, and the description of the embodiment is omitted here.
In this embodiment, when the difference between the actual pressure value and the preset pressure value is greater than the preset threshold value, the industrial personal computer 4 may display an alarm through the display to inform that the to-be-tested riser pressure sensor has low reliability.
In this embodiment, the data acquisition system may be composed of a safety box 3 and an industrial personal computer 4, and the safety box 3 is used to convert an electrical signal from the riser pressure sensor and provide a power supply for the riser pressure sensor. The industrial personal computer 4 is used for reading the pressure signal and displaying the pressure indication of the riser pressure sensor, and comparing the read pressure signal (actual pressure value) with a preset pressure value to judge the reliability of the riser pressure sensor.
Fig. 5 is a schematic structural diagram of a safety box according to an embodiment of the present invention, and as shown in fig. 5, the safety box may include: the simulation board is used for converting the electric signals output by the riser pressure sensor under the preset pressure value, and the connecting joint and the wire set are used for connecting the industrial personal computer 4.
The input end of the simulation board is connected with the vertical pipe pressure sensor, the output end of the simulation board is connected with one end of the connecting joint and one end of the wire group, and the other end of the connecting joint and the other end of the wire group are connected with the industrial personal computer 4.
Specifically, the analog board can convert and process the electrical signal output by the riser pressure sensor and output the electrical signal to the industrial personal computer 4. The safety box 3 can be connected with the industrial personal computer 4 through the connector and the line group, if one end of the line group is connected with the simulation board, the other end of the line group is connected with the connector, and the connector is inserted into the connecting interface corresponding to the industrial personal computer 4 through the connector, so that the connection with the industrial personal computer 4 can be realized.
Optionally, the analog board converts an electrical signal output by the riser pressure sensor at a preset pressure value, and the method includes: and performing analog-to-digital conversion on an electric signal output by the riser pressure sensor under a preset pressure value, and converting the electric signal into a corresponding digital signal.
Specifically, the analog board can convert an analog quantity signal from the riser pressure sensor to obtain a corresponding digital signal, and then output the digital signal to the industrial personal computer 4.
Further, as shown in fig. 5, the safety box 3 may further include: the device comprises a safety grid for signal isolation and a power panel for supplying power to the riser pressure sensor and the simulation board, wherein the input end of the simulation board is connected with the riser pressure sensor through the safety grid.
The input end of the safety grid is connected with the vertical pipe pressure sensor, the output end of the safety grid is connected with the input end of the simulation board, and the power panel is connected with the vertical pipe pressure sensor and the simulation board respectively.
In this embodiment, the riser pressure sensor is connected to the input of the safety grid, the output of the safety grid is connected to the input of the simulation board, and the output of the simulation board is connected to the industrial personal computer 4 through the connection joint and the line set. That is, the riser pressure sensor is connected to the safety grid, which is connected to the simulation board, which is connected to the industrial personal computer 4. Wherein, the input connection of riser pressure sensor and safety barrier specifically can be: two lines of the vertical pipe pressure sensor for outputting positive voltage and negative voltage are respectively connected to the safety barrier.
In this embodiment, the safety box 3 is further configured to perform signal isolation on an output signal of the riser pressure sensor and an input signal of the industrial personal computer 4. Specifically, the safety grid in the safety box 3 outputs the pressure value of the vertical pipe pressure sensor to the industrial personal computer for explosion-proof isolation, so that isolation protection is achieved. Optionally, the safety barrier may be an explosion-proof isolation barrier.
Specifically, the safety box 3 is further configured to provide a power supply for the riser pressure sensor, and provide voltage and current limited within a certain safety range for the riser pressure sensor, so as to ensure safe use of the riser pressure sensor. Wherein, as shown in fig. 5, the power strip may include a 12V power supply unit for providing a 12V voltage to the riser pressure sensor; the power supply board may further include a 24V power supply unit for supplying a voltage of 24V to the analog board.
In this embodiment, the safety box can be a cuboid or a cubic housing box.
In the embodiment of the invention, an independent data acquisition system is designed, the existing materials in the storehouse are collected, the safety box is made by self, and the originally occupied ground system set is replaced, so that the resource occupation of the ground system set in the test process can be eliminated. Meanwhile, the physical power and time consumed by temporarily assembling the ground system in each test are saved, so that the purposes of reducing the labor intensity and improving the working efficiency are achieved.
Further, in the above embodiment, as shown in fig. 3, the hydraulic test tool may further include a frame 5 for placing the hydraulic pump 2 and the union tool 1. The frame can comprise a frame panel 6, and the union tool 1 and the hydraulic pump 2 are respectively arranged on the frame panel 6; a hydraulic oil way is arranged in the frame panel 6, and the hydraulic pump 2 is connected with the union tool 1 through the hydraulic oil way.
Specifically, the hydraulic pump 2 pumps hydraulic pressure to the riser pressure sensor, and the hydraulic pressure (preset pressure value) of the hydraulic pressure can be uniformly applied to the sensing point of the riser pressure sensor through a hydraulic oil circuit built in the rack panel 6, so that the riser pressure sensor is prevented from being damaged due to uneven stress in the test process.
Optionally, as shown in fig. 3, the frame 5 may further include a second panel 7 for placing the safety box 3, the second panel 7 being disposed at a lower end of the frame 5.
Further, in the above embodiments, the data acquisition system may further include an input device such as a keyboard and a mouse. The test system of the riser pressure sensor can also comprise a workbench 8, and an industrial personal computer 4, a keyboard, a mouse and the like in the data acquisition system can be placed on the workbench 8.
According to the test system of the riser pressure sensor provided by the embodiment of the invention, the riser pressure sensor with low reliability can be effectively screened through quantitative test of the riser pressure sensor, so that the riser pressure sensors sent to a well site are ensured to pass the test and have the reliability reaching the standard.
Based on the same inventive concept of the test system of the riser pressure sensor, an embodiment of the present invention provides a test method of a riser pressure sensor, fig. 6 is a schematic flow diagram of the test method of the riser pressure sensor provided by the embodiment of the present invention, and as shown in fig. 6, the test method of the riser pressure sensor provided by the embodiment of the present invention includes:
s601: the hydraulic pump provides a preset pressure value to the riser pressure sensor to be tested.
S602: the safety box converts the electric signal output by the vertical pipe pressure sensor under the preset pressure value.
S603: and the industrial personal computer determines an actual pressure value of the riser pressure sensor according to the converted signal, compares the actual pressure value with a preset pressure value, and determines the reliability of the riser pressure sensor according to a comparison result.
The test method of the riser pressure sensor provided by the embodiment of the invention is a specific technical scheme executed by the system embodiment shown in fig. 3, and the implementation principle and the implementation effect are similar, and are not described herein again.
Further, in the above embodiment, the determining, by the industrial personal computer, the reliability of the riser pressure sensor according to the comparison result includes:
and when the difference value between the actual pressure value and the preset pressure value is larger than a threshold value, judging that the reliability of the riser pressure sensor is low.
Further, in the above embodiment, the converting, by the safety box, the electrical signal output by the riser pressure sensor at the preset pressure value includes:
and performing analog-to-digital conversion on the electric signal output by the riser pressure sensor under the preset pressure value, and converting the electric signal into a corresponding digital signal.
It will be understood by those of ordinary skill in the art that all or some of the steps of the methods, systems, functional modules/units in the devices disclosed above may be implemented as software, firmware, hardware, and suitable combinations thereof. In a hardware implementation, the division between functional modules/units mentioned in the above description does not necessarily correspond to the division of physical components; for example, one physical component may have multiple functions, or one function or step may be performed by several physical components in cooperation. Some or all of the components may be implemented as software executed by a processor, such as a digital signal processor or microprocessor, or as hardware, or as an integrated circuit, such as an application specific integrated circuit. Such software may be distributed on computer readable media, which may include computer storage media (or non-transitory media) and communication media (or transitory media). The term computer storage media includes volatile and nonvolatile, removable and non-removable media implemented in any method or technology for storage of information such as computer readable instructions, data structures, program modules or other data, as is well known to those of ordinary skill in the art. Computer storage media includes, but is not limited to, RAM, ROM, EEPROM, flash memory or other memory technology, CD-ROM, Digital Versatile Disks (DVD) or other optical disk storage, magnetic cassettes, magnetic tape, magnetic disk storage or other magnetic storage devices, or any other medium which can be used to store the desired information and which can accessed by a computer. In addition, communication media typically embodies computer readable instructions, data structures, program modules or other data in a modulated data signal such as a carrier wave or other transport mechanism and includes any information delivery media as known to those skilled in the art.
Claims (9)
1. A test system for a riser pressure sensor, comprising: a hydraulic test tool and a data acquisition system; the hydraulic testing tool is used for installing a stand pipe pressure sensor to be tested and providing a preset pressure value for the stand pipe pressure sensor; the data acquisition system is used for converting the electric signal output by the riser pressure sensor under the preset pressure value, determining the actual pressure value of the riser pressure sensor according to the converted signal, comparing the actual pressure value with the preset pressure value, and determining the reliability of the riser pressure sensor according to the comparison result, wherein:
the hydraulic test tool comprises: the hydraulic control system comprises a union tool for mounting the vertical pipe pressure sensor and a hydraulic pump for providing a preset pressure value for the vertical pipe pressure sensor, wherein the union tool is connected with the hydraulic pump;
the data acquisition system includes: the safety box is used for converting an electric signal output by the riser pressure sensor under the preset pressure value, the industrial personal computer is used for determining the actual pressure value of the riser pressure sensor according to the converted signal, comparing the actual pressure value with the preset pressure value and determining the reliability of the riser pressure sensor according to the comparison result, and the safety box is respectively connected with the riser pressure sensor on the oil union tool and the industrial personal computer;
the hydraulic test frock is still including being used for placing the hydraulic pump with the frame of the frock of oiling on, wherein:
the frame comprises a frame panel, and the union tool and the hydraulic pump are respectively arranged on the frame panel;
a hydraulic oil way is arranged in the frame panel, and the hydraulic pump is connected with the union tool through the hydraulic oil way.
2. The system of claim 1, wherein the industrial personal computer determines the reliability of the riser pressure sensor based on the comparison, comprising:
and when the difference value between the actual pressure value and the preset pressure value is greater than a preset threshold value, judging that the reliability of the riser pressure sensor is low.
3. The system of claim 1, wherein the safety box comprises: the simulation board is used for converting the electric signal output by the riser pressure sensor under the preset pressure value, and the connecting joint and the line group are used for connecting the industrial personal computer, wherein:
the input end of the simulation board is connected with the vertical pipe pressure sensor, the output end of the simulation board is connected with one end of the connecting joint and one end of the wire group, and the other end of the connecting joint and the other end of the wire group are connected with the industrial personal computer.
4. The system of claim 3, wherein the analog board converts the electrical signal output by the riser pressure sensor at the preset pressure value, and the conversion process comprises:
and performing analog-to-digital conversion on the electric signal output by the riser pressure sensor under the preset pressure value, and converting the electric signal into a corresponding digital signal.
5. The system of claim 3 or 4, wherein the safety box further comprises: the safety barrier is used for signal isolation, and the power panel is used for supplying power for the riser pressure sensor and the simulation board, the input end of the simulation board is connected with the riser pressure sensor through the safety barrier, wherein:
the input end of the safety grid is connected with the vertical pipe pressure sensor, the output end of the safety grid is connected with the input end of the simulation board, and the power panel is respectively connected with the vertical pipe pressure sensor and the simulation board.
6. The system of any one of claims 1 or 2, wherein the hydraulic pump is a hand pump; the union frock is 1502 type union.
7. A method of testing a riser pressure sensor, comprising:
the hydraulic pump provides a preset pressure value for the riser pressure sensor to be tested;
the safety box converts the electric signal output by the vertical pipe pressure sensor under the preset pressure value;
the industrial personal computer determines an actual pressure value of the riser pressure sensor according to the converted signal, compares the actual pressure value with the preset pressure value, and determines the reliability of the riser pressure sensor according to a comparison result;
the hydraulic control system comprises a vertical pipe pressure sensor, a hydraulic pump, a hydraulic oil circuit and a hydraulic oil circuit, wherein the vertical pipe pressure sensor is installed on the oil union tool, the oil union tool and the hydraulic pump are respectively installed on a rack panel, and the hydraulic pump is connected with the oil union tool through the hydraulic oil circuit.
8. The method of claim 7, wherein the industrial personal computer determines the reliability of the riser pressure sensor based on the comparison, comprising:
and when the difference value between the actual pressure value and the preset pressure value is larger than a threshold value, judging that the reliability of the riser pressure sensor is low.
9. The method of claim 7 or 8, wherein the safety box converts the electrical signal output by the riser pressure sensor at the preset pressure value, and comprises:
and performing analog-to-digital conversion on the electric signal output by the riser pressure sensor under the preset pressure value, and converting the electric signal into a corresponding digital signal.
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