CN214426897U - Pole force sensor outfield calibrating device - Google Patents
Pole force sensor outfield calibrating device Download PDFInfo
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- CN214426897U CN214426897U CN202023080807.0U CN202023080807U CN214426897U CN 214426897 U CN214426897 U CN 214426897U CN 202023080807 U CN202023080807 U CN 202023080807U CN 214426897 U CN214426897 U CN 214426897U
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Abstract
The utility model discloses a pole force transducer outfield calibrating device relates to measurement technical field. The method is used for solving the problems of unstable detection data accuracy and poor accuracy of the existing calibration method for the rod force sensor. The method comprises the following steps: the calibration device comprises a fixed seat, a calibration force sensor, a T-shaped stress application rod and a data processor; the T-shaped stress application rod is arranged at the upper end of the calibration force sensor and used for applying pushing force or pulling force to the calibration force sensor; the output end of the calibration force sensor is electrically connected with the input end of the data processor; the lower end of the calibration force sensor is arranged at the upper end of the fixed seat; the lower end of the fixed seat is used for arranging a rod force sensor.
Description
Technical Field
The utility model relates to a measurement technical field, more specifically relate to a pole force sensor outfield calibrating device.
Background
The stick force sensor is used for measuring the magnitude of the control force of the airplane steering stick, and calibration needs to be carried out regularly in practical application. The traditional calibration method needs to perform calibration in a laboratory after the rod force sensor is detached from the machine, and perform calibration on the machine. After the sensor is installed in an airplane stability control system, the problems that the difficulty is high, the sensor is easy to damage, the connection thread of the sensor is damaged due to repeated assembly and disassembly, the installation state of the sensor is inconsistent and the like exist in the disassembly process.
The upper end of the rod force sensor is connected with a handle, the lower end of the rod force sensor is connected with a mounting seat, a certain angle exists between the handle and the lower end rod force sensor as well as between the handle and the mounting seat, fig. 1 is a schematic diagram of a traditional outfield calibration method, as shown in fig. 1, the traditional outfield calibration method is to visually align the center position of the hand-held part of the handle as a force-applying position, one end of a steel wire rope is wound on the force-applying position, the other end of the steel wire rope is connected with a spring dynamometer, the force F direction applied by the spring dynamometer is determined to be perpendicular to the rod force sensor to be measured through visual inspection, a proper tension F value is selected, and the tension F and the output value of the rod force sensor to be measured corresponding to the tension F are recorded. The calibration accuracy of the pole force sensor can be influenced due to inaccurate force application direction control of the off-site calibration; the force application position is not fixed, and the change of the position can cause poor repeatability of output data of the rod force sensor and the accuracy of secondary calibration; the magnitude of the applied force is unstable, and the tensile force value F output by the spring dynamometer cannot accurately correspond to the output data of the rod force sensor.
In summary, the existing calibration method for the rod force sensor has the problems of unstable accuracy of detected data and poor accuracy.
SUMMERY OF THE UTILITY MODEL
An embodiment of the utility model provides a pole force sensor outfield calibrating device for there is the accuracy of the detection data unstability in the current mark school method to pole force sensor of solution, and the poor problem of accuracy.
An embodiment of the utility model provides a pole force sensor outfield calibrating device, include: the calibration device comprises a fixed seat, a calibration force sensor, a T-shaped stress application rod and a data processor;
the T-shaped stress application rod is arranged at the upper end of the calibration force sensor and used for applying pushing force or pulling force to the calibration force sensor;
the output end of the calibration force sensor is electrically connected with the input end of the data processor;
the lower end of the calibration force sensor is arranged at the upper end of the fixed seat;
the lower end of the fixed seat is used for arranging a rod force sensor.
Preferably, a length measuring instrument and a horizontal measuring instrument are further included;
the length measuring instrument is used for measuring the installation position of the fixed seat;
the horizontal measuring instrument is used for measuring the installation angle of the fixing seat.
Preferably, the fixing seat comprises two V-shaped blocks, a base and a clamping seat;
the base is arranged on the two V-shaped blocks, the clamping seat is arranged on the upper surface of the base, and an arc-shaped groove is formed in the clamping seat;
the rod force sensor is arranged between the two V-shaped blocks.
Preferably, one surface of the base facing the calibration force sensor is used as a reference surface, and the installation direction of the calibration force sensor is adjusted through the arc-shaped groove, so that the force application direction of the T-shaped forcing rod is perpendicular to the rod force sensor through the calibration force sensor.
Preferably, two sides of the base are provided with wire passing holes through which the rod force sensor is arranged.
Preferably, the calibration force sensor is used for converting a first acting force applied by the T-shaped force applying rod into a first voltage signal proportional to the first acting force and sending the first voltage signal to the data processor;
the rod force sensor is used for converting a first acting force applied by the T-shaped force applying rod into a second voltage signal proportional to the first acting force and sending the second voltage signal to the data processor.
Preferably, the T-shaped force application rod comprises a T-shaped force application cross rod, a cylindrical head screw, a spring washer and a T-shaped force application vertical rod.
An embodiment of the utility model provides a pole force sensor outfield calibrating device, include: the calibration device comprises a fixed seat, a calibration force sensor, a T-shaped stress application rod and a data processor; the T-shaped stress application rod is arranged at the upper end of the calibration force sensor and used for applying pushing force or pulling force to the calibration force sensor; the output end of the calibration force sensor is electrically connected with the input end of the data processor; the lower end of the calibration force sensor is arranged at the upper end of the fixed seat; the lower end of the fixed seat is used for arranging a rod force sensor. The device is through marking the size that school force sensor experienced the application of force, produce and apply the linear proportional voltage signal of force, through handling this signal, obtain corresponding power value, simultaneously, by survey pole force sensor output and apply force proportional voltage signal, gather simultaneously through data processing module and mark school force sensor output value and the corresponding output data of being surveyed pole force sensor, handle this data, the analysis reachs being surveyed pole force sensor's mark school curve, the device exerts the size of force, position and direction all can control, consequently, the data that the detection obtained have good stability, and the accuracy is higher.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a diagram illustrating a conventional outfield calibration method;
fig. 2 is a schematic structural diagram of an outfield calibration device of a rod force sensor according to an embodiment of the present invention;
fig. 3 is a schematic structural view of a T-shaped force applying rod provided in the embodiment of the present invention;
fig. 4 is a schematic view of a fixing base structure provided in an embodiment of the present invention;
the device comprises a fixed seat-1, a calibration force sensor-2, a T-shaped stress application rod-3, a data processor-4, a V-shaped block 1-1, a base 1-2, a clamping seat 1-3, a wire passing hole 1-4, an arc-shaped groove 1-5, a T-shaped stress application cross rod 3-1, a cylindrical head screw 3-2 and a T-shaped stress application vertical rod 3-3.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Fig. 2 is the embodiment of the utility model provides a pole force sensor outfield calibrating device schematic structure, as shown in fig. 2, this pole force sensor outfield calibrating device main fixing base 1, calibration force sensor 2, T type stress application pole 3 and data processor 4.
Fig. 3 is the utility model provides a 3 schematic structure views of T type forcing rod, as shown in fig. 3, this T type forcing rod 3 includes T type afterburning horizontal pole 3-1, cylinder cap screw 3-2, spring washer and T type afterburning montant 3-3, and the lower extreme setting of T type forcing rod 3 is in the upper end of marking school's power sensing, mainly used to exert thrust or pulling force to marking school force sensor 2.
The embodiment of the utility model provides an in, mark 2 one ends of school force sensor and connect T type power pole 3 for measure the size that T type power pole 3 exerted the power value, be the whole important determinant factor who marks school device precision, so select to use extensively, the strain gauge measuring principle that the precision is high. In practical application, the resistance strain gauge attached to the sensing element senses the change of stress and generates a voltage signal proportional to the change of stress, and the voltage signal is processed to output a corresponding applied force value.
As shown in fig. 1, the other end of the calibration force sensor 2 is disposed at the upper end of the fixing base 1, fig. 4 is a schematic structural diagram of the fixing base 1 provided by the embodiment of the present invention, as shown in fig. 4, the fixing base 1 includes two V-shaped blocks 1-1, a base 1-2, a clamping base 1-3, a binding rope, an initial end fixing screw and a terminal fixing end.
The base 1-2 is arranged on the two V-shaped blocks 1-1, and the clamping seat 1-3 is arranged on the upper surface of the base 1-2. In practical application, the distance between the two V-shaped blocks 1-1 is adjustable, the two V-shaped blocks 1-1 can be quickly disassembled, and the adaptive range of the calibration device is widened by replacing the V-shaped blocks 1-1 with different specifications, so that the aim of calibrating operating levers with various outer diameters is fulfilled. During installation, a handle is fixed in the X direction through the two V-shaped blocks 1-1, the upward surface of the base 1-2 is used as a reference, the installation angle of the whole fixed block is measured and measured through a level meter, and the installation angle of the calibration force sensor 2 and the Y direction is adjusted through the arc-shaped grooves 1-5 on the clamping seats 1-3, so that the direction of the applied force is adjusted to be perpendicular to the force sensor of the measured rod. Further, after the angle is adjusted, the binding rope is fixed on the wire passing hole 1-4 through the wire passing hole 1-4 arranged between the two V-shaped blocks 1-1, further, the calibration device is fastened on the handle through the binding rope, the binding rope is led out from a fixing screw at the starting end, penetrates through the wire passing hole 1-4 of the binding rope and then is wound on the handle, and then penetrates through the wire passing hole 1-4 of the binding rope at the other end and is fixed at the terminal fixing end of the binding rope. Furthermore, the length measuring instrument is adopted to measure the installation position of the calibration device, the installation positions of the reference surface and the calibration device in the Z direction are determined and recorded, and the positioning consistency of multiple measurements is ensured, so that the force direction sensed by the force sensor of the measured rod is consistent with the calibration of a laboratory.
In the embodiment of the present invention, the output end of the calibration force sensor 2 is electrically connected to the input end of the data processor 4, and is configured to convert the first acting force applied by the T-shaped force applying rod 3 into a first voltage signal proportional to the first acting force, and send the first voltage signal to the data processor 4; in practical application, the acting force of the T-shaped force applying rod 3 is transmitted to the rod force sensor arranged below the fixed seat 1 through the calibration force sensor 2, the rod force sensor converts the first acting force applied by the T-shaped force applying rod into a second voltage signal proportional to the first acting force, and the second voltage signal is sent to the data processor 4.
The utility model discloses in implementing, data processing module is used for real-time collection, record by measuring staff force sensor and the output data who marks school force sensor 2, draws the output value by measuring staff force sensor that mark school point power value F corresponds automatically, draws and marks school curve to calculate its output error.
To sum up, the embodiment of the utility model provides a pole force transducer outfield calibrating device, include: the calibration device comprises a fixed seat, a calibration force sensor, a T-shaped stress application rod and a data processor; the T-shaped stress application rod is arranged at the upper end of the calibration force sensor and used for applying pushing force or pulling force to the calibration force sensor; the output end of the calibration force sensor is electrically connected with the input end of the data processor; the lower end of the calibration force sensor is arranged at the upper end of the fixed seat; the lower end of the fixed seat is used for arranging a rod force sensor. The device is through marking the size that school force sensor experienced the application of force, produce and apply the linear proportional voltage signal of force, through handling this signal, obtain corresponding power value, simultaneously, by survey pole force sensor output and apply force proportional voltage signal, gather simultaneously through data processing module and mark school force sensor output value and the corresponding output data of being surveyed pole force sensor, handle this data, the analysis reachs being surveyed pole force sensor's mark school curve, the device exerts the size of force, position and direction all can control, consequently, the data that the detection obtained have good stability, and the accuracy is higher.
While the preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the appended claims be interpreted as including the preferred embodiment and all such alterations and modifications as fall within the scope of the invention.
It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (7)
1. A pole force sensor outfield calibration device, comprising: the calibration device comprises a fixed seat, a calibration force sensor, a T-shaped stress application rod and a data processor;
the T-shaped stress application rod is arranged at the upper end of the calibration force sensor and used for applying pushing force or pulling force to the calibration force sensor;
the output end of the calibration force sensor is electrically connected with the input end of the data processor;
the lower end of the calibration force sensor is arranged at the upper end of the fixed seat;
the lower end of the fixed seat is used for arranging a rod force sensor.
2. The apparatus of claim 1, further comprising a length gauge and a level gauge;
the length measuring instrument is used for measuring the installation position of the fixed seat;
the horizontal measuring instrument is used for measuring the installation angle of the fixing seat.
3. The apparatus of claim 1, wherein the holder comprises two V-shaped blocks, a base, a clamp;
the base is arranged on the two V-shaped blocks, the clamping seat is arranged on the upper surface of the base, and an arc-shaped groove is formed in the clamping seat;
the rod force sensor is arranged between the two V-shaped blocks.
4. The device of claim 3, wherein the side of the base facing the calibration force sensor is used as a reference surface, and the installation direction of the calibration force sensor is adjusted through the arc-shaped groove, so that the force application direction of the T-shaped force application rod is perpendicular to the rod force sensor through the calibration force sensor.
5. The apparatus of claim 3, wherein the base is provided with wire passing holes at both sides thereof, through which the pole force sensor is disposed.
6. The apparatus of claim 1, wherein the calibration force sensor is configured to convert a first force applied by the T-bar into a first voltage signal proportional to the first force and send the first voltage signal to the data processor;
the rod force sensor is used for converting a first acting force applied by the T-shaped force applying rod into a second voltage signal proportional to the first acting force and sending the second voltage signal to the data processor.
7. The device of claim 1, wherein the T-shaped force bar comprises a T-shaped force cross bar, a cap screw, a spring washer, and a T-shaped force vertical bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023080807.0U CN214426897U (en) | 2020-12-17 | 2020-12-17 | Pole force sensor outfield calibrating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023080807.0U CN214426897U (en) | 2020-12-17 | 2020-12-17 | Pole force sensor outfield calibrating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214426897U true CN214426897U (en) | 2021-10-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023080807.0U Active CN214426897U (en) | 2020-12-17 | 2020-12-17 | Pole force sensor outfield calibrating device |
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|---|---|
| CN (1) | CN214426897U (en) |
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2020
- 2020-12-17 CN CN202023080807.0U patent/CN214426897U/en active Active
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