CN107328520B - Automatic calibration system and method for wireless indicator diagram test terminal - Google Patents
Automatic calibration system and method for wireless indicator diagram test terminal Download PDFInfo
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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
- G01L25/006—Testing or calibrating of apparatus for measuring force, torque, work, mechanical power, or mechanical efficiency for measuring work or mechanical power or mechanical efficiency
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Abstract
An automatic calibration system and method for a wireless indicator diagram test terminal belong to the technical field of electromechanics. The control console is connected with a stepping motor driver through a communication port and a cable drive, the stepping motor driver is connected with and controls a stepping motor through a cable, the stepping motor outputs torque, the torque is amplified through a planetary gear reducer and a worm and gear boosting mechanism, a lower stud is driven to do lifting motion, a worm wheel internal thread drives the lower stud, the internal thread of a fixed screw sleeve and a key limit the rotation of the lower stud to enable the lower stud to only move up and down, a safety load sensor, a standard load sensor and a lower pressure head are connected in series, and a calibrated wireless diagram terminal is arranged between the lower pressure head and an upper pressure head; the cross beam and the upright posts are fixed together, and the upper moving space of the lower pressure head, the standard load sensor, the safety load sensor and the lower stud is limited together with the upper pressure head and the upper pressure head. According to the invention, calibration is automatically carried out according to the set measuring range and the correction point, so that the workload is reduced, and the accurate control is achieved.
Description
Technical Field
The invention relates to an automatic calibration system and method for a wireless indicator diagram test terminal, and belongs to the technical field of electromechanics.
Background
In the crude oil extraction process, most crude oil in China is extracted from the ground through an oil pumping unit, an oil pump, an oil pumping rod and an oil pumping pipe which are used for extraction work are invisible, one of important means for diagnosing whether problems exist and what problems occur is a test work diagram, the work diagram is a two-dimensional curve drawn by load and relative displacement data of a suspension point of an oil pumping unit in one period of operation of the oil pumping unit, engineering technicians can infer the working state of the part below the ground of the oil pumping unit according to the size, the change and the shape of the load, and if the abnormality occurs, the engineering technicians can judge the generation reason of the problems according to the working state and design a reasonable solution.
With popularization and development of the digital oil field, the wireless work diagram terminal can be widely applied, and the wireless work diagram terminal can reflect the working condition of the oil pumping well in real time without manual well logging operation, so that the wireless work diagram terminal has great application advantages.
The wireless indicator diagram terminal is used as a metering device, load parameters of the metering device need to be calibrated and regularly verified, and as each oil pumping well is provided with the wireless indicator diagram test terminal, the verification and calibration workload is large, and the current manual verification operation has the defects of complex operation, high labor intensity, low speed and low efficiency, so that the metering device becomes a big headache problem in the oil field test work.
The requirements of the charge calibration and verification are: the stress application device applies set load values, such as 0kN, 30kN,60kN,90kN,120kN and the like, to the calibrated wireless indicator diagram terminal, compares the actual load, calculates the test error, and determines whether the error value exceeds the specified range; the calibration requirement is to correct the sensitivity and zero coefficient of the calibrated wireless indicator diagram terminal according to the error value, thereby achieving the purpose of accurate and qualified test result.
Disclosure of Invention
In order to overcome the defects of the prior method and technology, the invention provides an automatic calibration system and method for a wireless indicator diagram test terminal, which has the advantages of simple and convenient calibration, simple operation and automatic record storage.
An automatic calibration system for a wireless work diagram test terminal is characterized in that a console controls a force application device to generate load, the force application device applies load to a standard load sensor and a calibrated wireless work diagram terminal which are installed in series, load values born by the standard load sensor and the calibrated wireless work diagram terminal are equal, and load signals acquired by the standard load sensor and the calibrated wireless work diagram terminal are respectively sent to the console for processing.
The control console, the stress application device and the standard load sensor form a load closed-loop control loop, the control console continuously collects actual measurement load of the standard load sensor, calculates difference values of set load and actual measurement load of the standard load sensor, drives and adjusts the stress application device to load or unload according to the magnitude and the positive and negative of the difference values, and the control console again collects load signals of the standard load sensor and compares the load signals with the set load again, so that the control console continuously circulates until the set load is equal to the actual measurement load of the standard load sensor, and the purpose of load setting is achieved.
The control console is connected with the wireless power diagram terminal communication module through a computer port in a wired mode, and the wireless power diagram terminal communication module is connected with the calibrated wireless power diagram terminal in a wireless mode, so that the control console can collect load signals of the calibrated wireless power diagram terminal and set parameters such as sensitivity and zero point.
When the load generated by the force application device reaches a load set value, the control console collects the load signal of the calibrated wireless work diagram terminal, so that the calibration and verification of the calibrated wireless work diagram terminal are realized.
For safety purpose, a safety load sensor is arranged in series with a standard load sensor and a calibrated wireless work diagram terminal in the system, a control console collects load values of the safety load sensor and the calibrated wireless work diagram terminal in a wired mode, the control console is respectively compared with the load values of the standard load sensor, the calibrated wireless work diagram terminal and the calibrated wireless work diagram terminal, if one sensor or the calibrated wireless work diagram terminal fails to cause the load value to be abnormal, the control console can immediately stop driving the force application device and take other reasonable safety measures.
The control console drives the stepping motor through driving the stepping motor driver, the stepping motor applies load through the planetary gear reducer and the worm and gear boosting mechanism, and the driving position parameters are accumulated, and the stepping motor feeds back the position parameters to the control console through driver feedback.
The safety stroke sensor is installed on the stress application device at the same time and used for testing the high and low positions of the system workbench, the control console directly collects the stroke signals of the system workbench in a wired mode, the signals have corresponding relation with the driving position parameters and the feedback position parameters, and if the parameters are abnormal, the control console can immediately stop driving the stress application device and take other reasonable safety measures.
The standard load sensor also needs periodic verification, and for the convenience of verification, the standard load sensor is connected with the control console through the secondary instrument, analog signals are transmitted between the standard load sensor and the secondary instrument, and digital signals are transmitted between the secondary instrument and the control console, so that when the standard load sensor and the secondary instrument are detected, the standard load sensor and the secondary instrument can be directly sent to be detected without verifying the whole system.
An automatic calibration system of a wireless indicator diagram test terminal is structurally implemented, a support is connected to the lower surface of a working table, adjustable feet are connected to the bottom of the support, a control console is placed on the working table, the support is connected with a standard load secondary instrument, an upper pressing column is connected to the middle of a beam, the top end of the upper pressing column is connected with an upper pressing column adjusting hand wheel, the lower end of the upper pressing column is connected with an upper pressing head, the lower end of the upper pressing head is connected with a lower pressing head, the lower part of the lower pressing head is connected with a standard load sensor, the lower part of the standard load sensor is connected with a safety load sensor, the lower part of the safety load sensor is connected with a lower stud, the lower stud is connected with a fixed screw sleeve, two sides of the beam are respectively connected with a stand column, the lower part of the stand column is connected with a support, a stepping motor is connected and supported through the support, one end of the stepping motor is connected with a planetary gear reducer, the side of the worm gear reducer is connected with a stepping motor driver, the upper part of the worm gear booster mechanism is connected with a fixed screw sleeve, and the safety travel sensor is arranged on the side of the worm booster mechanism.
The control console is connected with a standard load secondary instrument, a standard load sensor, a safety load sensor, a stepping motor driver and a safety stroke sensor.
The safety load sensor collects the load of the worm and gear force application device in real time, transmits signals to the control console to be compared with actual load, and if the load difference between the two loads exceeds a safety range, the control console immediately stops driving signals and stops the worm and gear force application device, so that the safety protection effect is realized.
The safety travel sensor collects the travel of the worm and gear force application device in real time and transmits signals to the control console, the control console compares the travel signals with the pulse number transmitted to the stepping motor driver, and as the linear relation exists between the travel signals and the pulse number, once the linear relation deviates, the pulse to the stepping motor driver is immediately stopped, the worm and gear force application device is stopped, and therefore the safety protection effect is achieved.
An automatic calibration method of a wireless indicator diagram test terminal also comprises the following steps;
the wireless power diagram terminal to be calibrated is fixed between an upper pressure head and a lower pressure head, a control console is automatically connected with the wireless power diagram terminal through a wireless power diagram terminal communication module and reads calibration information, then the control console sends pulses to a stepping motor driver, and loads are applied to the wireless power diagram terminal to be calibrated through a stepping motor, a speed reducer and a force application device;
the load generated by the force application device is loaded on a standard load sensor and a calibrated wireless work diagram terminal at the same time, the load signal of the standard load sensor is amplified, conditioned and A/D converted by a standard load secondary instrument and then transmitted to a control console, so that the actual load is obtained, and the calibrated wireless work diagram terminal directly transmits the load to the control console, so that the current load is obtained; the control console calculates a calibration coefficient according to the obtained actual load and the current load, and writes back the calibration coefficient to the wireless work diagram terminal through the wireless work diagram terminal communication module, so that load calibration is realized; the safety load sensor collects the load of the worm and gear force application device in real time, transmits signals to the control console to be compared with actual load, and if the load difference between the two is beyond a safety range, the control console immediately stops driving the signals and stops the worm and gear force application device, so that the safety protection effect is realized; the safety travel sensor collects the travel of the worm and gear force application device in real time and transmits signals to the control console, the control console compares the travel signals with the pulse number transmitted to the stepping motor driver, and as the linear relation exists between the travel signals and the pulse number, once the linear relation deviates, the pulse to the stepping motor driver is immediately stopped, the worm and gear force application device is stopped, and therefore the safety protection effect is achieved.
The invention has the advantages that: the instrument can automatically calibrate according to the set measuring range and the correction point, thereby reducing the workload. The instrument can also manually set the measuring range and the correction point for calibration, so as to achieve accurate control. The calibration record of each time is automatically stored, and is convenient to review at any time. And the load and displacement dual safety control system ensures the safety and reliability of the system. The instrument has simple structure, modular design and convenient maintenance.
Drawings
The invention, together with a further understanding of the many of its attendant advantages, will be best understood by reference to the following detailed description, when considered in conjunction with the accompanying drawings, which are included to provide a further understanding of the invention, and the accompanying drawings, illustrate and describe the invention and do not constitute a limitation to the invention, and wherein:
fig. 1 is a schematic diagram of a connection structure according to the present invention.
FIG. 2 is a schematic flow chart of the method of the present invention.
The invention will be further described with reference to the drawings and examples.
Detailed Description
It will be apparent that many modifications and variations are possible within the scope of the invention, as will be apparent to those skilled in the art based upon the teachings herein.
Example 1: as shown in fig. 1 and 2, an automatic calibration system for a wireless indicator diagram test terminal is provided, a control console 20 is connected with a stepper motor driver 16 through a communication port and a cable drive, the stepper motor driver 16 is connected with and controls a stepper motor 18 through a cable, the stepper motor 18 outputs torque, the torque is amplified through a planetary gear reducer 17 and a worm gear boosting mechanism 11, a lower stud 8 is driven to do lifting movement (a worm gear internal thread drives the lower stud 8, the internal thread and a key of a fixed screw sleeve 9 limit the rotation of the lower stud 8 to enable the lower stud 8 to move up and down), a safety load sensor 7, a standard load sensor 6 and a lower pressure head 5 are connected in series, and the calibrated wireless indicator diagram test terminal is installed between the lower pressure head 5 and an upper pressure head 4.
The cross beam 2, the upright post 10 and the like are fixed together, and limit the upward movement space of the lower pressure head, the standard load sensor 6, the safety load sensor 7 and the lower stud 8 together with the upper upright post 3 and the upper pressure head 4.
When loading, the force application device drives the lower stud 8, the safety load sensor 7, the standard load sensor 6, the lower pressure head 5 and the calibrated wireless work diagram terminal to move upwards, when the pressure head 4 is propped up, the pressure load is generated along with the pressure load, the control console collects the load measured by the calibrated wireless work diagram terminal through the communication module, meanwhile, the secondary instrument collects the measured load of the standard load sensor 6, the load of the load sensor 7 is directly collected, and the collected value of the standard load sensor 6 is compared with the set load to adjust and drive the stepping motor; comparing the load value of the calibrated wireless work diagram terminal with the load value of the calibrated wireless work diagram terminal, and calibrating and certifying the calibrated wireless work diagram terminal; and compared with the load value of the safety load sensor, the safety problem caused by the failure of one sensor is prevented.
The force applying device is provided with a safety stroke sensor 12, and a stroke signal is sent to the control console through a cable and a port and is compared with a driving position parameter and a feedback position parameter so as to ensure the safety of the system.
Example 2: the force application device can apply force to the load sensor in the form of a cross beam, a fulcrum and weights by utilizing the lever principle, and the stepping motor drives the weights to load and unload.
The force application device can also be realized in a hydraulic mode, the control console drives the hydraulic motor and the hydraulic cylinder to load the standard load sensor and the calibrated wireless work diagram terminal, and the hydraulic sensor is used for replacing the safety load sensor, so that the purposes of loading, load shedding and safety can be realized.
The stepper motor may also be replaced by a servo motor.
Example 2: as shown in fig. 1 and 2, an automatic calibration system for a wireless indicator diagram test terminal comprises a frame assembly formed by a bracket 13, an adjustable anchor 14 and a workbench surface 19.
The device comprises a worm and gear force application mechanism, a stand column 10, a fixed screw sleeve 9, a lower stud 8, a lower pressure head 5, an upper pressure head 4, an upper pressure column 3, an upper pressure column adjusting hand wheel 1 and a cross beam 2.
Including stepper motor driver 16, stepper motor 18 and stepper motor 18 form a motor assembly.
The safety load sensor 7, the standard load sensor 6, the safety travel sensor 12, the standard load secondary instrument 1 and the console 20 form a control assembly.
The console 20 includes a wireless power diagram terminal communication module.
The lower part of the bracket 13 is connected with an adjustable foot 14, the middle part of the bracket 13 is connected with a worm and gear boosting mechanism 11 and an upright post 10, the side surface of the worm and gear boosting mechanism 11 is connected with a planetary gear reducer 17, the planetary gear reducer 17 is connected with a stepping motor 18, the stepping motor 18 is connected with a stepping motor driver 16,
the upper part of the worm gear stress application mechanism 11 is connected with a fixed screw sleeve 9, the upper part of the fixed screw sleeve 9 is connected with a lower stud 8, the lower stud 8 is connected with a safety load sensor 7 and a standard load sensor 6, the upper part of the standard load sensor 6 is connected with a lower pressure head 5,
the beam 2 is connected with the upper part of the upright post 10, the middle part of the beam 2 is connected with the upper pressing column 3, the upper part of the upper pressing column 3 is connected with the upper pressing column adjusting hand wheel 1, the lower part is connected with the upper pressing head 4,
the upper part of the bracket 13 is connected with a workbench surface 19, the workbench surface 19 is connected with a control console 20, and the control console 20 is connected with a stepping motor driver 16 and a standard load secondary instrument 15.
The invention can be automatically connected with the wireless power diagram terminal, conveniently calibrate the wireless power diagram terminal and record all calibration data.
Example 3: as shown in fig. 1 and 2, an automatic calibration method for a wireless indicator diagram test terminal includes the following steps:
the wireless indicator diagram terminal to be calibrated is fixed between the upper pressure head and the lower pressure head, the control console is automatically connected with the wireless indicator diagram terminal through the wireless indicator diagram terminal communication module and reads calibration information, the control console sends pulses to the servo motor driver, the servo motor driver drives the servo motor to work, output of the servo motor is transmitted to the worm and gear boosting mechanism through the speed reducer, the lower pressure head is driven to move up and down, and load is applied to the calibrated wireless indicator diagram terminal.
Example 4: an automatic calibration method for a wireless indicator diagram test terminal further comprises the following steps: the load generated by the force application device is loaded on the standard load sensor and the calibrated wireless work diagram terminal at the same time, the load signal of the standard load sensor is amplified, conditioned and A/D converted by the standard load secondary instrument and then transmitted to the control console, so that the actual load is obtained, and the calibrated wireless work diagram terminal directly transmits the load to the control console, so that the current load is obtained. And the control console calculates a calibration coefficient according to the obtained actual load and the current load, and writes the calibration coefficient back to the wireless work diagram terminal through the wireless work diagram terminal communication module, thereby realizing load calibration.
Example 5: an automatic calibration method of a wireless indicator diagram test terminal comprises the following steps: the safety load sensor collects the load of the worm and gear force application device in real time, transmits signals to the control console to be compared with actual load, and if the load difference between the two loads exceeds a safety range, the control console immediately stops driving signals and stops the worm and gear force application device, so that the safety protection effect is realized.
Example 6: an automatic calibration method for a wireless indicator diagram test terminal further comprises the following steps: the safety travel sensor collects the travel of the worm and gear force application device in real time and transmits signals to the control console, the control console compares the travel signals with the pulse number transmitted to the stepping motor driver, and as the linear relation exists between the travel signals and the pulse number, once the linear relation deviates, the pulse to the stepping motor driver is immediately stopped, the worm and gear force application device is stopped, and therefore the safety protection effect is achieved.
The control console is connected with and controls a stepping motor driver in a wired mode, the driver drives a servo motor, and then the servo motor drives a planetary gear reducer and a worm and gear stress application mechanism to control the stress application device to load or unload.
Example 7: a standard load sensor and a calibrated wireless indicator diagram terminal are installed in series on a force application device of an automatic calibration system of the wireless indicator diagram test terminal, and the pressure load applied by the standard load sensor and the calibrated wireless indicator diagram terminal are equal. The load signal sensed by the standard load sensor is connected with the console in a wired mode; the calibrated wireless power diagram terminal is connected with the wireless power diagram terminal communication module in a wireless mode, and the wireless power diagram terminal communication module is connected with the control console in a wired mode.
The control console, the stepping motor controller, the stepping motor, the stress application device, the standard load sensor and the control console form a load closed-loop control network.
The control console controls the load according to the load verification or calibration requirement, and simultaneously compares two paths of signals, so that the load error of the calibrated wireless indicator diagram terminal can be verified, and the error can be calibrated.
The safety load sensor is connected with the standard load sensor and the calibrated wireless indicator diagram terminal in series, is connected with the control console in a wired mode, participates in comparison of load signals, and can be immediately identified and correspondingly reacted by the control console when any one load sensor fails, so that accidents are avoided, and the aim of safety is achieved.
The stress application device is also provided with a safety stroke sensor for testing the working position of the stress application device. In addition, the stepping motor continuously feeds back a position signal to the control console through the driver, and the active control signal sent to the stepping motor driver by the controller is added, so that when the stepping motor driver works normally, the stepping motor driver, the active control signal and the control console have a corresponding relation, and when any signal fails, the stepping motor driver, the control console and the control console can quickly recognize and take corresponding measures, thereby achieving the aim of safety.
As described above, the embodiments of the present invention have been described in detail, but it will be apparent to those skilled in the art that many modifications can be made without departing from the spirit and effect of the present invention. Accordingly, such modifications are also entirely within the scope of the present invention.
Claims (9)
1. An automatic calibration system of a wireless indicator diagram test terminal is characterized in that a control console is connected with a stepping motor driver through a communication port and a cable drive, the stepping motor driver is connected with and controls a stepping motor through a cable, the stepping motor outputs torque, the torque is amplified through a planetary gear reducer and a worm and gear boosting mechanism, a lower stud is driven to do lifting motion, a worm wheel internal thread drives the lower stud, the internal thread of a fixed screw sleeve and a key limit the rotation of the lower stud, so that the lower stud can only move up and down, a safety load sensor, a standard load sensor and a lower pressure head are connected in series, and the calibrated wireless indicator diagram terminal is arranged between the lower pressure head and an upper pressure head; the cross beam and the upright post are fixed together, and the upper pressure head limit the upward movement space of the lower pressure head, the standard load sensor, the safety load sensor and the lower stud together;
the safety load sensor collects the load of the worm and gear force application device in real time, transmits signals to the control console to be compared with the actual load, and if the load difference between the two loads exceeds a safety range, the control console immediately stops driving the signals, and the worm and gear force application device is stopped.
2. The automatic calibration system of the wireless indicator diagram test terminal according to claim 1, wherein a support is connected below a working table surface, the bottom of the support is connected with an adjustable foot margin, a control console is placed above the working table surface, the support is connected with a standard load secondary instrument, the middle part of a cross beam is connected with an upper pressing column, the top end of the upper pressing column is connected with an upper pressing column adjusting hand wheel, the lower end of the upper pressing column is connected with an upper pressing head, the lower end of the upper pressing head is connected with a lower pressing head, the lower part of the lower pressing head is connected with a standard load sensor, the lower part of the standard load sensor is connected with a safety load sensor, the lower part of the safety load sensor is connected with a lower stud, the lower stud is connected with a fixed screw sleeve, the two sides of the cross beam are respectively connected with a stand column, the lower connecting support of the stand column is connected with a step motor, one end of the step motor is connected with a planetary gear reducer through the support, the step motor is connected with a step motor driver, the upper part of the step motor is connected with a fixed screw sleeve, and the safety travel sensor is arranged on the side of the step motor.
3. The automatic calibration system of a wireless indicator diagram test terminal of claim 1, wherein the console is coupled to a standard load secondary meter, a standard load sensor, a safety load sensor, a stepper motor driver, and a safety travel sensor.
4. The automatic calibration system of a wireless indicator diagram test terminal according to claim 1, wherein the safety travel sensor captures the travel of the worm gear force device in real time and transmits a signal to the console, the console compares the travel signal with the number of pulses sent to the stepper motor driver, and as a result of the linear relationship between the travel signal and the number of pulses sent to the stepper motor driver, the pulses to the stepper motor driver are terminated immediately upon deviation of the linear relationship, and the worm gear force device is stopped.
5. An automatic calibration method of a wireless indicator diagram test terminal is characterized by comprising the following steps of;
the control console controls the stress application device to generate load, the stress application device applies load to the standard load sensor and the calibrated wireless work diagram terminal which are installed in series, the load values born by the standard load sensor and the calibrated wireless work diagram terminal are equal, and load signals acquired by the standard load sensor and the calibrated wireless work diagram terminal are respectively sent to the control console for processing;
the control console, the stress application device and the standard load sensor form a load closed-loop control loop, the control console continuously collects actual measurement load of the standard load sensor, calculates difference value between set load and actual measurement load of the standard load sensor, drives and adjusts the stress application device to load or unload according to the magnitude and the positive and negative of the difference value, and the control console again collects load signals of the standard load sensor and compares the load signals with the set load again, so that the control console continuously circulates until the set load is equal to the actual measurement load of the standard load sensor, and the purpose of load setting is achieved; the system is provided with a safety load sensor which is connected with a standard load sensor and a calibrated wireless work diagram terminal in series, a control console collects load values of the safety load sensor in a wired mode, the control console is respectively compared with the load values of the standard load sensor, the calibrated wireless work diagram terminal and the calibrated wireless work diagram terminal, if a certain sensor or the calibrated wireless work diagram terminal fails to cause the load value to be abnormal, the control console can immediately stop driving the force application device and take other reasonable safety measures.
6. The automatic calibration system of the wireless work diagram test terminal according to claim 5, wherein the control console is connected with the wireless work diagram terminal communication module through a computer port in a wired manner, and the wireless work diagram terminal communication module is connected with the calibrated wireless work diagram terminal in a wireless manner, so that the control console can acquire load signals of the calibrated wireless work diagram terminal and set sensitivity and zero parameters; when the load generated by the force application device reaches a load set value, the control console collects the load signal of the calibrated wireless work diagram terminal, so that the calibration and verification of the calibrated wireless work diagram terminal are realized.
7. The automatic calibration system of a wireless indicator diagram test terminal according to claim 5, wherein the control console drives the stepping motor by driving the stepping motor driver, the stepping motor applies load by the planetary gear reducer and the worm and gear boosting mechanism, and accumulates driving position parameters, and the stepping motor feeds back the position parameters to the control console by the driver feedback; the safety stroke sensor is installed on the stress application device at the same time and used for testing the high and low positions of the system workbench, the control console directly collects the stroke signals of the system workbench in a wired mode, the signals have corresponding relation with the driving position parameters and the feedback position parameters, and if the parameters are abnormal, the control console can immediately stop driving the stress application device and take other reasonable safety measures.
8. The automatic calibration system for a wireless indicator diagram test terminal according to claim 5, wherein the standard load sensor is connected to the console via a secondary meter, an analog signal is transmitted between the standard load sensor and the secondary meter, and a digital signal is transmitted between the secondary meter and the console, so that the standard load sensor and the secondary meter are directly sent for inspection when the standard load sensor and the secondary meter are inspected.
9. The automatic calibration system of a wireless work pattern test terminal according to claim 5, wherein a wireless work pattern terminal to be calibrated is fixed between an upper pressure head and a lower pressure head, a control console is automatically connected with the wireless work pattern terminal through a wireless work pattern terminal communication module and reads calibration information, then the control console sends pulses to a servo motor driver, and loads are applied to the calibrated wireless work pattern terminal through a stepping motor, a speed reducer and a force application device;
the load generated by the force application device is loaded on a standard load sensor and a calibrated wireless work diagram terminal at the same time, the load signal of the standard load sensor is amplified, conditioned and A/D converted by a standard load secondary instrument and then transmitted to a control console, so that the actual load is obtained, and the calibrated wireless work diagram terminal directly transmits the load to the control console, so that the current load is obtained; the control console calculates a calibration coefficient according to the obtained actual load and the current load, and writes back the calibration coefficient to the wireless work diagram terminal through the wireless work diagram terminal communication module, so that load calibration is realized; the safety load sensor collects the load of the worm and gear force application device in real time, transmits signals to the control console to be compared with actual load, and if the load difference between the two is beyond a safety range, the control console immediately stops driving the signals and stops the worm and gear force application device, so that the safety protection effect is realized; the safety travel sensor collects the travel of the worm and gear force application device in real time and transmits signals to the control console, the control console compares the travel signals with the pulse number transmitted to the stepping motor driver, and as the linear relation exists between the travel signals and the pulse number, once the linear relation deviates, the pulse to the stepping motor driver is immediately stopped, the worm and gear force application device is stopped, and the safety protection effect is realized.
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| CN114858318B (en) * | 2021-02-03 | 2024-06-25 | 中国石油天然气集团有限公司 | Wireless injection head load calibrator |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2177942Y (en) * | 1993-11-12 | 1994-09-21 | 栾殿明 | Auto-constant stress loading tester for nonmetal material pressure |
| CN101750186A (en) * | 2010-01-22 | 2010-06-23 | 大连理工大学 | Layout method for calibrating and loading bench of adjustable dynamometer and layout device therefor |
| CN102384814A (en) * | 2010-08-31 | 2012-03-21 | 沈阳兴大通仪器仪表有限公司 | Standard force source generating device |
| CN102455238A (en) * | 2011-10-14 | 2012-05-16 | 贵州航天凯山石油仪器有限公司 | Online calibration method and connection structure of indicator diagram test equipment |
| CN202329929U (en) * | 2011-11-11 | 2012-07-11 | 沈阳金凯瑞科技有限公司 | On-line detection instrument for load sensor |
| CN207263368U (en) * | 2017-07-11 | 2018-04-20 | 北京恒兴利达仪器有限公司 | A kind of self-checking device of wireless work(figure test terminal |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2733860A1 (en) * | 2011-03-11 | 2012-09-11 | Calgary Scientific Inc. | Method and system for remotely calibrating display of image data |
-
2017
- 2017-07-11 CN CN201710562429.3A patent/CN107328520B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2177942Y (en) * | 1993-11-12 | 1994-09-21 | 栾殿明 | Auto-constant stress loading tester for nonmetal material pressure |
| CN101750186A (en) * | 2010-01-22 | 2010-06-23 | 大连理工大学 | Layout method for calibrating and loading bench of adjustable dynamometer and layout device therefor |
| CN102384814A (en) * | 2010-08-31 | 2012-03-21 | 沈阳兴大通仪器仪表有限公司 | Standard force source generating device |
| CN102455238A (en) * | 2011-10-14 | 2012-05-16 | 贵州航天凯山石油仪器有限公司 | Online calibration method and connection structure of indicator diagram test equipment |
| CN202329929U (en) * | 2011-11-11 | 2012-07-11 | 沈阳金凯瑞科技有限公司 | On-line detection instrument for load sensor |
| CN207263368U (en) * | 2017-07-11 | 2018-04-20 | 北京恒兴利达仪器有限公司 | A kind of self-checking device of wireless work(figure test terminal |
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