Acceleration sensor detection device

Abstract

The utility model provides an acceleration sensor detection device, which comprises a driving mechanism, a position adjusting mechanism and an acceleration sensor, and is characterized in that the driving mechanism comprises an active driving part and a passive driving part which are connected with each other, and the active driving part drives the passive driving part to rotate so as to generate centrifugal acceleration; the position adjusting mechanism is arranged on the passive driving part and is used for adjusting the distance between the acceleration sensor and the axis of the passive driving part; the acceleration sensor is arranged on the position adjusting mechanism to detect acceleration data generated by the driving mechanism. Therefore, the calibration precision of the acceleration sensor can be improved, and the accuracy of acceleration detection is improved.

Description

Technical Field

[0001] This application relates to the field of detection device technology, specifically to an acceleration sensor detection device. Background Technology

[0002] A triaxial accelerometer can detect the acceleration values ​​of a device along the x, y, and z axes. In practical applications, due to issues such as inconsistent linearity and zero-point drift, triaxial accelerometers typically require calibration using a multi-axis mechanical platform.

[0003] However, multi-axis mechanical platforms are expensive and complex to operate, increasing the difficulty and cost of calibration. Secondly, the differences in gravitational acceleration values ​​across different geographical locations can lead to discrepancies in calibration results for different regions, reducing the universality and accuracy of triaxial accelerometer calibration. Utility Model Content

[0004] This application provides an acceleration sensor detection device. Using this acceleration sensor detection device to calibrate the acceleration sensor before acceleration detection can simplify the acceleration detection process, improve detection efficiency, and accelerate the production process.

[0005] This application provides an acceleration sensor detection device, the device comprising a drive mechanism, a position adjustment mechanism, and an acceleration sensor, wherein:

[0006] The drive mechanism includes an active drive component and a passive drive component connected to each other. The active drive component drives the passive drive component to rotate to generate centrifugal acceleration.

[0007] The position adjustment mechanism is mounted on the passive drive component and adjusts the distance between the acceleration sensor and the axis of the passive drive component.

[0008] The acceleration sensor is mounted on the position adjustment mechanism to detect acceleration data generated by the drive mechanism.

[0009] Optionally, the position adjustment mechanism includes:

[0010] A grating ruler is used to measure the current axis distance between the accelerometer and the passive drive component;

[0011] A first motor is used to drive the accelerometer to move in a straight line.

[0012] Optionally, the position adjustment mechanism further includes a fixing structure, the fixing structure comprising:

[0013] A first fixing platform is disposed on the upper surface of the passive drive component and is used to fix the grating ruler and the first motor.

[0014] The second fixed platform is connected to the lower surface of the first motor, and the acceleration sensor is fixed to the upper surface of the second fixed platform.

[0015] Optionally, the first motor includes a stator, a mover, a slider, and a moving track, wherein:

[0016] The stator is installed at the bottom of the first fixed platform, and the mover is disposed opposite to the stator;

[0017] The slider is connected to the moving element, and the moving track is set between the slider and the second fixed platform, so that the slider moves linearly along the moving track.

[0018] Optionally, the upper surface of the second fixing stage is provided with a detachable clamp for fixing the acceleration sensor.

[0019] Optionally, the active driving component is a second motor, and the passive driving component is a horizontal turntable, which is fixed to the motor shaft of the second motor.

[0020] Optionally, the drive mechanism further includes a support structure, which includes a first support column and a second support column connected to each other. The first support column is a hollow structure, and the second motor is disposed inside the first support column.

[0021] Optionally, the acceleration sensor detection device of this application further includes:

[0022] A detection mechanism is used to collect the acceleration data recorded by the acceleration sensor;

[0023] A controller is used to control the drive mechanism and the position adjustment mechanism.

[0024] Optionally, the controller includes:

[0025] The host computer is used to set the rotational speed of the second motor, the axial distance between the horizontal turntable and the accelerometer, and the theoretical combined acceleration recorded by the accelerometer.

[0026] A motor control machine for controlling the first motor and the second motor.

[0027] Optionally, the detection mechanism includes a digital conversion module, which is used to convert the analog signal of the accelerometer into a digital signal and transmit the digital signal to the host computer.

[0028] The accelerometer detection device of this application has a simple structure and is easy to operate. By using an active drive component to rotate a passive drive component at a set speed, it provides controllable horizontal acceleration to the accelerometer mounted on the drive mechanism, thereby simulating different acceleration environments and meeting various testing requirements. The position adjustment mechanism not only adjusts the distance between the sensor and the axis of the passive drive component but also detects the position of the accelerometer in real time, enabling precise adjustment of the accelerometer's position and ensuring that the accelerometer remains within the set rotation radius during testing.

[0029] Therefore, by adjusting the rotational speed of the drive mechanism and adjusting the position of the acceleration sensor by the position adjustment mechanism, this application can improve the calibration accuracy of the acceleration sensor, simplify the detection process, and thus improve the accuracy and efficiency of acceleration detection. Attached Figure Description

[0030] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0031] Figure 1 This is a schematic diagram of the overall structure of the acceleration sensor detection device provided in the embodiments of this application;

[0032] Figure 2 This is a schematic diagram of the position adjustment structure provided in the embodiments of this application;

[0033] Figure 3 This is a schematic diagram showing the positional relationship between the second fixed platform and the clamp provided in the embodiments of this application;

[0034] Figure 4 This is a schematic diagram of the acceleration sensor detection device provided in the embodiments of this application performing acceleration detection;

[0035] The attached figures are labeled as follows:

[0036] 1-Drive mechanism, 11-Active drive component, 12-Passive drive component, 13-First support column, 14-Second support column, 2-Position adjustment mechanism, 21-Grating ruler, 22-First motor, 221-Stator, 222-Motor, 223-Slider, 224-Moving track, 23-First fixed platform, 24-Second fixed platform, 241-Clamp, 3-Acceleration sensor. Detailed Implementation

[0037] The technical solution of this utility model will now be clearly and completely described with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0038] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this utility model and for simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance. The terms "first position" and "second position" refer to two different positions. Moreover, "above," "on top of," and "over" the first feature in relation to the second feature includes the first feature directly above and diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "under," and "below" the first feature in relation to the second feature includes the first feature directly below and diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0039] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0040] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this utility model, and should not be construed as limiting this utility model.

[0041] The triaxial accelerometer 30 is widely used in equipment attitude detection, capable of detecting the acceleration values ​​of equipment in the x, y, and z axes. By calculating the ratio of the triaxial acceleration values ​​to the gravitational acceleration, the current tilt angle of the equipment can be determined. In practical applications, the triaxial accelerometer 30 typically requires calibration due to issues such as inconsistent linearity and zero-point drift. In existing technologies, to ensure calibration accuracy, the sensor is usually placed in different attitudes for multiple readings, and different attitudes are simulated using a multi-axis mechanical platform to compare the errors.

[0042] However, multi-axis mechanical platforms are costly and complex to operate, increasing the difficulty and cost of calibration. Secondly, the differences in gravitational acceleration values ​​across different geographical locations can introduce new errors when calibration results are used in different regions, reducing the universality and accuracy of the calibration. Furthermore, existing calibration methods have limited effectiveness in correcting sensor linearity and zero-point drift, especially after prolonged use, where sensor performance may further degrade, leading to unsatisfactory calibration results.

[0043] This application provides an acceleration sensor detection device, which will be described in detail below.

[0044] Please see Figure 1 , Figure 1 This is a schematic diagram of the overall structure of the acceleration sensor detection device provided in the embodiments of this application. Figure 1 As shown, the acceleration sensor detection device of this application may include a drive mechanism 10, a position adjustment mechanism 20, and an acceleration sensor 30, wherein:

[0045] The drive mechanism 10 includes an active drive member 11 and a passive drive member 12 connected to each other. The active drive member 11 drives the passive drive member 12 to rotate to generate centrifugal acceleration.

[0046] The position adjustment mechanism 20 is mounted on the passive drive component 12 to adjust the distance between the acceleration sensor 30 and the axis of the passive drive component 12;

[0047] An acceleration sensor 30 is mounted on the position adjustment mechanism 20 to detect acceleration data generated by the drive mechanism 10.

[0048] The drive mechanism 10 is the core part of the acceleration sensor detection device, used to generate centrifugal acceleration, and can include two parts: an active drive component 11 and a passive drive component 12.

[0049] Specifically, the active drive unit 11 can provide rotational power and rotate at a set speed by receiving instructions from the host computer. The passive drive unit 12 can be connected to the active drive unit 11. When the active drive unit 11 rotates, the passive drive unit 12 rotates accordingly, thereby generating centrifugal acceleration. By adjusting the rotational speed of the active drive unit 11, the rotational speed of the passive drive unit 12 can be controlled, thereby changing the magnitude and direction of the centrifugal acceleration and providing a controllable acceleration environment for the acceleration sensor 30. In some embodiments, the active drive unit 11 can be a second motor, and the passive drive unit 12 can be a horizontal turntable, which can be fixed to the motor shaft of the second motor.

[0050] In some embodiments, the position adjustment mechanism 20 may be disposed on the passive drive member 12 for adjusting the distance between the acceleration sensor 30 and the axis of the passive drive member 12, i.e., the radius of rotation. In some embodiments, such as Figure 2 As shown, the position adjustment mechanism 20 may include the following components:

[0051] The grating ruler 21 is used to measure the current axis distance between the accelerometer 30 and the passive drive 12;

[0052] The first motor 22 is used to drive the acceleration sensor 30 to move in a straight line.

[0053] The first motor 22, also known as a linear motor, drives the accelerometer 30 to move radially, thereby adjusting the distance between the sensor and the axis of the passive drive component 12. The grating ruler 21 can be used to detect the position of the accelerometer 30 in real time and, in conjunction with the linear motor, ensures that the accelerometer 30 can be accurately moved to the set rotation radius position.

[0054] It is understood that, through the position adjustment mechanism 20, the acceleration sensor detection device of this application can flexibly change the rotation radius of the acceleration sensor 30, thereby simulating different acceleration conditions and meeting various testing requirements.

[0055] like Figure 4 As shown, in some embodiments, the acceleration sensor 30 can be mounted on the position adjustment mechanism 20 to detect acceleration data generated by the drive mechanism 10. Specifically, as... Figure 1 As shown, the accelerometer 30 can be fixed on the position adjustment mechanism 20 and moves with the clockwise or counterclockwise rotation of the passive drive component 12. During rotation, the accelerometer 30 is subjected to the combined effects of gravitational acceleration and centrifugal acceleration. By detecting the acceleration values ​​in the x, y, and z axes, the magnitude and direction of the resultant acceleration can be calculated. Finally, by comparing the actual detected values ​​with the theoretical calculated values, the sensor's linearity, zero-point drift, and other performance indicators can be evaluated, and calibration can be completed.

[0056] In summary, the accelerometer detection device of this application achieves high-precision detection and calibration of the accelerometer 30 through the coordinated operation of the drive mechanism 10, the position adjustment mechanism 20, and the accelerometer 30. The drive mechanism 10 provides controllable centrifugal acceleration, the position adjustment mechanism 20 ensures precise adjustment of the sensor position, and the accelerometer 30 is used to detect acceleration data. The device is not only easy to operate and low in cost, but also meets various testing needs and has broad application prospects.

[0057] In some embodiments, the position adjustment mechanism 20 may further include a fixing structure, which may include:

[0058] The first fixed platform 23 is disposed on the upper surface of the passive drive component 12 and is used to fix the grating ruler 21 and the first motor 22.

[0059] The second fixed platform 24, the first motor 22 is connected to the lower surface of the second fixed platform 24, and the acceleration sensor 30 is fixed to the upper surface of the second fixed platform 24.

[0060] Specifically, the position adjustment mechanism 20 also includes a fixing structure to ensure the stable installation and precise adjustment of the grating ruler 21, linear motor, and accelerometer 30. The fixing structure mainly consists of the following two parts.

[0061] The first fixed platform 23 is disposed on the upper surface of the passive drive component 12. The first fixed platform 23 is used to fix the grating ruler 21 and the first motor 22. The grating ruler 21 is mounted on the first fixed platform 23 to detect the position of the acceleration sensor 30 in real time, ensuring that the sensor can accurately move to the set rotation radius position. The first motor 22 can also be fixed on the first fixed platform 23 to drive the acceleration sensor 30 to move radially, thereby adjusting the distance between the sensor and the axis of the rotary table. The first fixed platform 23 provides a stable mounting platform for the grating ruler 21 and the linear motor, ensuring their normal operation during rotation, while avoiding measurement errors caused by vibration or displacement.

[0062] The second fixed platform 24 is located below and connected to the first motor 22. The second fixed platform 24 is used to fix the acceleration sensor 30. The first motor 22 is connected to the lower surface of the second fixed platform 24. Driven by the motor, the second fixed platform 24 can move radially, thereby adjusting the position of the acceleration sensor 30. The acceleration sensor 30 is fixed to the upper surface of the second fixed platform 24, and its distance from the axis of the rotary table changes as the second fixed platform 24 moves. The second fixed platform 24 provides a stable mounting platform for the acceleration sensor 30, ensuring that the sensor can accurately detect acceleration data during rotation. Simultaneously, the connection design between the second fixed platform 24 and the first motor 22 makes the sensor's position adjustment more precise and reliable.

[0063] In summary, the first fixed stage 23 of this application is used to fix the grating ruler 21 and the linear motor, ensuring the stability of position detection and adjustment; the second fixed stage 24 is used to fix the acceleration sensor 30, and through the connection with the linear motor, the precise adjustment of the sensor position is achieved. The above fixing structure design not only improves the stability and reliability of the device, but also ensures the accuracy and repeatability of the acceleration sensor 30 during the test process, providing strong support for high-precision acceleration detection.

[0064] In some embodiments, the first motor 22 may include a stator 221, a mover 222, a slider 223, and a moving track 224, wherein:

[0065] The stator 221 is installed at the bottom of the first fixed platform, and the mover 222 is arranged opposite to the stator 221;

[0066] The slider 223 is connected to the mover 222, and the moving track 224 is set between the slider 223 and the second fixed platform, so that the slider 223 moves linearly along the moving track 224.

[0067] Among them, the first motor 22 can be a linear motor. A linear motor is a type of motor that directly converts electrical energy into linear motion mechanical energy. Compared with traditional rotary motors, it does not require mechanical transmission devices (such as gears, belts, etc.) to achieve linear motion, and therefore has the advantages of simple structure, fast response, and high precision.

[0068] The stator 221 is the stationary part of the linear motor, typically composed of coil windings and an iron core. In a linear motor, the stator 221 generates a magnetic field, providing power for the movement of the mover 222. The structure and arrangement of the stator 221 directly affect the motor's performance, such as magnetic field strength and thrust.

[0069] The mover 222 is the moving part of the linear motor, typically made of permanent magnets or conductive materials. Under the influence of the magnetic field generated by the stator 221, the mover 222 moves along a linear direction. The shape and size of the mover 222 are determined according to the motor's design requirements, and its motion accuracy and stability are crucial to the performance of the entire system.

[0070] The slider 223 is a component that connects the mover 222 and the external load. Its function is to transmit the linear motion of the mover 222 to the object or device that needs to move. The slider 223 typically needs to have good mechanical strength and wear resistance to ensure that it can stably bear the load during operation.

[0071] The moving track 224 is a guide device for the movement of the slider 223. It provides a precise movement path for the slider 223, ensuring that the slider 223 can move smoothly and accurately along a predetermined straight line. The accuracy of the moving track 224 directly affects the movement accuracy of the slider 223, so high-precision machining and installation processes are usually required.

[0072] In some embodiments, the stator 221 can be mounted on the bottom of the first fixed platform. The stator 221 is fixed in place, and the first fixed platform provides stable support and a mounting position for the stator 221. The fixed position of the stator 221 enables it to stably generate a magnetic field.

[0073] In some embodiments, the mover 222 can be disposed opposite to the stator 221, that is, the mover 222 is located directly above or below the stator 221, the specific position depending on the design of the motor. This relative arrangement allows the mover 222 to move in the magnetic field generated by the stator 221. When the coil in the stator 221 is energized, a magnetic field is generated, and the mover 222 is subjected to a force under the action of the magnetic field and moves in a straight line.

[0074] In some embodiments, slider 223 can be connected to mover 222, and slider 223 can move along with mover 222. The function of slider 223 is to transmit the motion of mover 222 to an external load, such as a robotic arm or worktable. The connection between slider 223 and mover 222 usually needs to have sufficient strength and stability to ensure that the motion transmission does not become loose or erroneous.

[0075] In some embodiments, a movable track 224 may be disposed between the slider 223 and the second fixed platform, providing guidance and support for the movement of the slider 223. The second fixed platform provides the mounting position and stability for the movable track 224. The slider 223 moves linearly along the movable track 224, and the accuracy and stability of the movable track 224 directly affect the movement accuracy and stability of the slider 223. The movable track 224 typically requires high-precision machining and installation processes to ensure that the slider 223 can move smoothly and accurately along a predetermined linear direction.

[0076] When the coil in stator 221 is energized, a magnetic field is generated. The mover 222, under the influence of this magnetic field, moves in a straight line due to the force acting upon it. Since slider 223 is connected to mover 222, slider 223 moves along with mover 222 and along the moving track 224 in a straight line. The moving track 224 provides a precise path for slider 223, ensuring smooth and accurate movement. This structure allows the linear motor to directly convert electrical energy into linear mechanical energy without the need for complex mechanical transmission devices, thus offering advantages such as simple structure, fast response, and high precision.

[0077] In some embodiments, such as Figure 3 As shown, the upper surface of the second fixed platform 24 may be provided with a detachable clamp 241 for fixing the acceleration sensor 30. The detachable clamp 241 can be used to firmly fix the acceleration sensor 30 on the upper surface of the second fixed platform 24, ensuring that the sensor will not be displaced or loosened during rotation and movement.

[0078] The fixture 241 of this application allows for easy installation and removal, facilitating the replacement or adjustment of different acceleration sensors 30, thus improving the flexibility and applicability of the device. The fixture 241 securely holds the sensor in place, preventing it from shifting due to vibration or centrifugal force during testing, ensuring the accuracy of the test data. The design of the fixture 241 simplifies and expedites the sensor installation and removal process, reducing operation time and improving testing efficiency.

[0079] The accelerometer 30 can be stably fixed on the second fixed stage 24 by means of the detachable clamp 241, ensuring that it always maintains the correct position and attitude during rotation and position adjustment, thus providing a reliable guarantee for high-precision acceleration detection.

[0080] In summary, the detachable clamp 241 design on the upper surface of the second fixed stage 24 of this application not only facilitates the installation and replacement of the sensor, but also ensures the stability of the sensor during the testing process, providing strong support for the flexibility of the device and the testing accuracy.

[0081] In some embodiments, the drive mechanism 10 may further include a support structure, which may include a first support column 13 and a second support column 14 connected to each other. The first support column 13 is a hollow structure, and the second motor is disposed inside the first support column 13.

[0082] The first support column 13 is a hollow structure, with its internal space used to accommodate the second motor. The second support column 14 is connected to the first support column 13, together forming the main part of the support structure to provide stable support.

[0083] The support structure, through the interconnection of the first support column 13 and the second support column 14, provides a stable support for the drive mechanism 10, ensuring the stable operation of the horizontal rotary table and the motor. The hollow design of the first support column 13 allows the second motor to be built inside, saving space and making the overall structure more compact and aesthetically pleasing. The rigid design of the support structure effectively reduces the vibration generated by the motor and rotary table during operation, improving the stability and accuracy of the test.

[0084] In summary, the support structure of the drive mechanism 10 of this application provides a solid support for the drive mechanism 10 through the interconnection of the first support column 13 and the second support column 14. At the same time, the hollow design houses the second motor, making the overall structure more compact and stable, thus ensuring the reliable operation of the acceleration sensor detection device.

[0085] In some embodiments, the apparatus of this application may further include:

[0086] The testing facility is used to collect acceleration data recorded by the accelerometer 30.

[0087] A controller is used to control the drive mechanism 10 and the position adjustment mechanism 20.

[0088] Specifically, the testing mechanism can be used to collect acceleration data recorded by the accelerometer 30. During the test, the accelerometer 30 detects acceleration values ​​along the x, y, and z axes. The testing mechanism collects this data in real time and transmits it to a host computer for processing and analysis. Through the testing mechanism, the actual output value of the sensor can be obtained and compared with the theoretical value to evaluate the sensor's performance, such as linearity and zero-point drift, and to complete calibration.

[0089] The controller is used to control the operation of the drive mechanism 10 and the position adjustment mechanism 20. It controls the stepper motor in the drive mechanism 10 to adjust the rotational speed of the horizontal rotary table, thereby changing the centrifugal acceleration experienced by the accelerometer 30. It controls the linear motor in the position adjustment mechanism 20 to adjust the distance between the accelerometer 30 and the axis of the rotary table. By receiving instructions from the host computer, the controller automates the control of the drive mechanism 10 and the position adjustment mechanism 20, ensuring the accuracy and repeatability of the testing process while reducing human error.

[0090] In summary, the testing organization in this application is responsible for collecting data from the accelerometer 30, providing a basis for performance evaluation and calibration; the controller is responsible for controlling the operation of the drive mechanism 10 and the position adjustment mechanism 20, ensuring the automation and accuracy of the testing process. Together, they achieve high-precision acceleration detection and calibration functions.

[0091] In some embodiments, the controller may include:

[0092] The host computer is used to set the rotational speed of the second motor, the distance between the axis of the horizontal turntable and the acceleration sensor 30, and the theoretical resultant acceleration recorded by the acceleration sensor 30.

[0093] The motor control machine is used to control the first motor 22 and the second motor.

[0094] Specifically, the host computer is used to set test parameters and monitor the test process. It can set the rotational speed of the second motor, thereby controlling the rotational speed of the horizontal rotary table and changing the centrifugal acceleration experienced by the accelerometer 30. It can also set the axial distance between the horizontal rotary table and the accelerometer 30, achieving precise adjustment of the sensor position by controlling the first motor 22. Furthermore, it can set the theoretical summative acceleration value recorded by the accelerometer 30 for comparison with actual detection values ​​to evaluate the sensor's performance. As the control core, the host computer provides a human-machine interface, making the setting and adjustment of test parameters more convenient, while also achieving automated control of the test process.

[0095] The motor control unit controls the operation of the first motor 22 and the second motor. It can control the first motor 22 to drive the acceleration sensor 30 along the moving track 224, adjusting the distance between the sensor and the axis of the rotary table. It can also control the second motor to drive the horizontal rotary table to rotate at a set speed, providing controllable centrifugal acceleration to the sensor. The motor control unit receives instructions from the host computer and precisely controls the motor operation, ensuring the stability and accuracy of the testing process.

[0096] In summary, the controller of this application consists of a host computer and a motor control unit. The host computer is used to set test parameters and monitor the test process, while the motor control unit is used to control the operation of the first motor 22 and the second motor. Working together, they achieve automation, precision, and efficiency in the testing process, providing reliable technical support for the detection and calibration of the accelerometer 30.

[0097] In some embodiments, the detection mechanism may include a digital conversion module, which is used to convert the analog sensor signal of the accelerometer 30 into a digital signal and transmit the digital signal to a host computer.

[0098] Specifically, the digital conversion module converts the analog signals output by the accelerometer 30 into digital signals. The acceleration data detected by the accelerometer 30 is typically output as analog signals. The digital conversion module converts these analog signals into digital signals for easier subsequent processing and storage. The converted digital signals are transmitted to a host computer via a communication interface (such as USB or serial port) for further analysis and processing. Digital signals have strong anti-interference capabilities and high transmission stability, effectively reducing noise and errors during signal transmission and improving the accuracy of the detection data.

[0099] The digital conversion module is an important component of the testing mechanism. It converts the analog signals output by the sensor into digital signals, ensuring the accuracy and reliability of the data and providing high-quality input data to the host computer, thereby supporting high-precision acceleration detection and calibration.

[0100] In summary, the digital conversion module of the testing agency in this application converts the analog signal of the accelerometer 30 into a digital signal and transmits it to the host computer, ensuring the accuracy and stability of the data and providing reliable technical support for high-precision acceleration detection and calibration.

[0101] In the above embodiments, the descriptions of each embodiment have different focuses. For parts not described in detail in a certain embodiment, please refer to the detailed descriptions of other embodiments above, which will not be repeated here.

[0102] The basic concepts have been described above. Obviously, for those skilled in the art, the detailed disclosure above is merely illustrative and does not constitute a limitation of this application. Although not explicitly stated herein, those skilled in the art may make various modifications, improvements, and corrections to this application. Such modifications, improvements, and corrections are suggested in this application, and therefore remain within the spirit and scope of the exemplary embodiments of this application.

[0103] Furthermore, this application uses specific terms to describe embodiments of the application. For example, "an embodiment," "one embodiment," and / or "some embodiments" refer to a particular feature, structure, or characteristic associated with at least one embodiment of the application. Therefore, it should be emphasized and noted that "an embodiment," "one embodiment," or "an alternative embodiment" mentioned twice or more in different locations in this specification do not necessarily refer to the same embodiment. In addition, certain features, structures, or characteristics in one or more embodiments of the application can be appropriately combined.

[0104] Similarly, it should be noted that, in order to simplify the description of the present application and thus aid in the understanding of one or more embodiments of the utility model, the foregoing description of the embodiments of the present application sometimes combines multiple features into a single embodiment, drawing, or description thereof. However, this disclosure method does not imply that the subject matter of the present application requires more features than those mentioned in the claims. In fact, the embodiments contain fewer features than all the features of the single embodiments disclosed above.

[0105] In some embodiments, numbers describing the quantity of components and attributes are used. It should be understood that such numbers used in the description of embodiments are modified in some examples with the terms "approximately," "approximately," or "generally." Unless otherwise stated, "approximately," "approximately," or "generally" indicates that the numbers are allowed to vary by ±20%. Accordingly, in some embodiments, the numerical parameters used in the specification and claims are approximate values, which may be changed depending on the characteristics required by individual embodiments. In some embodiments, numerical parameters should take into account specified significant digits and employ a general method of digit reservation. Although the numerical ranges and parameters used to confirm their breadth of scope in some embodiments of this application are approximate values, in specific embodiments, such values ​​are set as precisely as feasible.

[0106] For each patent, patent application, patent application publication, and other material such as articles, books, specifications, publications, and documents referenced in this application, the entire contents of that patent application are incorporated herein by reference, except for historical application documents that are inconsistent with or conflict with the content of this application, and documents that limit the broadest scope of the claims of this application (currently or subsequently appended to this application). It should be noted that if there are any inconsistencies or conflicts between the descriptions, definitions, and / or terminology used in the supplementary materials of this application and the content of this application, the descriptions, definitions, and / or terminology used in this application shall prevail.

[0107] The above provides a detailed description of an acceleration sensor detection device provided in the embodiments of this application. Specific examples have been used to illustrate the principle and implementation of this utility model. The description of the above embodiments is only for the purpose of helping to understand the method and core idea of ​​this utility model. At the same time, for those skilled in the art, there will be changes in the specific implementation and application scope based on the idea of ​​this utility model. Therefore, the content of this specification should not be construed as a limitation of this utility model.

Claims

1. An acceleration sensor detection device, characterized in that, The device includes a drive mechanism, a position adjustment mechanism, and an acceleration sensor, wherein: The drive mechanism includes an active drive component and a passive drive component connected to each other. The active drive component drives the passive drive component to rotate to generate centrifugal acceleration. The position adjustment mechanism is mounted on the passive drive component and adjusts the distance between the acceleration sensor and the axis of the passive drive component. The acceleration sensor is mounted on the position adjustment mechanism to detect acceleration data generated by the drive mechanism.

2. The acceleration sensor detection device according to claim 1, characterized in that, The position adjustment mechanism includes: A grating ruler is used to measure the distance between the accelerometer and the axis of the passive drive component; A first motor is used to drive the accelerometer to move in a straight line.

3. The acceleration sensor detection device according to claim 2, characterized in that, The position adjustment mechanism further includes a fixing structure, which includes: A first fixing platform is disposed on the upper surface of the passive drive component and is used to fix the grating ruler and the first motor. The second fixed platform is connected to the lower surface of the first motor, and the acceleration sensor is fixed to the upper surface of the second fixed platform.

4. The acceleration sensor detection device according to claim 3, characterized in that, The first motor includes a stator, a mover, a slider, and a moving track, wherein: The stator is installed at the bottom of the first fixed platform, and the mover is disposed opposite to the stator; The slider is connected to the moving element, and the moving track is set between the slider and the second fixed platform, so that the slider moves linearly along the moving track.

5. The acceleration sensor detection device according to claim 3, characterized in that, The upper surface of the second fixing platform is provided with a detachable clamp for fixing the acceleration sensor.

6. The acceleration sensor detection device according to claim 2, characterized in that, The active driving component is a second motor, and the passive driving component is a horizontal turntable, which is fixed to the motor shaft of the second motor.

7. The acceleration sensor detection device according to claim 6, characterized in that, The drive mechanism also includes a support structure, which includes a first support column and a second support column connected to each other. The first support column is a hollow structure, and the second motor is disposed inside the first support column.

8. The acceleration sensor detection device according to claim 6, characterized in that, Also includes: A detection mechanism is used to collect the acceleration data recorded by the acceleration sensor; A controller is used to control the drive mechanism and the position adjustment mechanism.

9. The acceleration sensor detection device according to claim 8, characterized in that, The controller includes: The host computer is used to set the rotational speed of the second motor, the axial distance between the horizontal turntable and the accelerometer, and the theoretical combined acceleration recorded by the accelerometer. A motor control machine for controlling the first motor and the second motor.

10. The acceleration sensor detection device according to claim 9, characterized in that, The detection mechanism includes a digital conversion module, which is used to convert the analog signal of the accelerometer into a digital signal and transmit the digital signal to the host computer.

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