Self-adaptive calibration type dynamic torque measurement sensor

Abstract

The utility model discloses a self-adaptive calibration type dynamic torque measurement sensor, and relates to the technical field of torque measurement sensors. The torque sensor comprises a sensor body, wherein the sensor body comprises a shell, a connecting seat integrally arranged at the middle position of the peripheral side of the shell, a central shaft movably arranged at the end part of the shell, a torque sensing strain gauge fixed at the peripheral side of the central shaft, and a sensing element arranged in the shell; the sensing element comprises a self-adaptive calibration module used for automatically adjusting measurement parameters according to environmental changes; the signal conditioning circuit module is used for processing the electric signal output by the sensing element; the data processing module is used for calculating an actual torque value; and the communication interface is used for exchanging data with external equipment. According to the utility model, the self-adaptive calibration module is arranged to monitor temperature and vibration changes in real time, and parameters of the signal conditioning circuit module are automatically adjusted, so that the torque measurement precision in a complex environment is effectively improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of torque measurement sensors, in particular to an adaptive calibration type dynamic torque measurement sensor. Background Art

[0002] In modern industrial production and scientific research, torque measurement is an important technical indicator, especially in the fields of power systems and transmission devices. Accurate torque measurement is crucial for equipment performance evaluation and fault diagnosis. The torque measurement sensors currently available on the market have the following problems:

[0003] Most sensors do not have adaptive calibration capabilities, and the accuracy of measurement results will be affected when the environment changes; existing sensors are usually equipped with simple signal conditioning circuits, which make it difficult to effectively remove noise and amplify weak signals; many sensors do not have built-in storage functions and cannot record historical torque measurement data, which is not conducive to subsequent data analysis and maintenance; traditional sensors mainly rely on wired transmission, which limits their integration capabilities with modern smart devices.

[0004] In view of the above problems, the utility model aims to provide an adaptive calibration type dynamic torque measurement sensor to overcome the limitations of the prior art. Utility Model Content

[0005] In order to solve the above technical problems, the utility model is realized by the following technical solutions:

[0006] The utility model is an adaptive calibration type dynamic torque measurement sensor, comprising a sensor body, wherein the sensor body comprises a shell, a connecting seat integrally arranged at the middle position of the shell circumference, a central axis movably arranged at the end of the shell, a torque sensing transformer fixed to the circumference of the central axis, and a sensing element arranged inside the shell;

[0007] The sensing element comprises:

[0008] Adaptive calibration module, used to automatically adjust measurement parameters according to environmental changes;

[0009] A signal conditioning circuit module is used to process the electrical signal output by the sensor element;

[0010] A data processing module, used to calculate the actual torque value;

[0011] Communication interface, used to exchange data with external devices.

[0012] The utility model is further configured that the adaptive calibration module includes:

[0013] Temperature sensor, used to monitor temperature changes;

[0014] Vibration sensors are used to monitor vibration conditions.

[0015] The utility model is further configured that the signal conditioning circuit module comprises:

[0016] An amplifier, used to amplify the electrical signal output by the sensor element;

[0017] Filters are used to remove noise signals.

[0018] The utility model is further configured such that the communication interface supports wireless or wired data transmission, and the communication interface is embedded in the rear of the shell.

[0019] The utility model is further configured that the data processing module also includes a storage unit for recording torque measurement historical data.

[0020] The utility model is further configured such that the data processing module is interactively connected to the communication interface, and the input end of the data processing module is connected to the signal conditioning circuit module.

[0021] The utility model is further configured that a heat dissipation area is provided at the rear of the shell, and a power supply module is embedded in the rear of the shell.

[0022] The utility model has the following beneficial effects:

[0023] 1. The utility model monitors temperature and vibration changes in real time through an adaptive calibration module, and automatically adjusts the parameters of the signal conditioning circuit module, effectively improving the torque measurement accuracy in complex environments. The amplifier and filter in the signal conditioning circuit module effectively amplify weak signals and remove noise, thereby enhancing the reliability of torque measurement data. The built-in storage unit records the torque measurement history data, making later data analysis and maintenance more convenient.

[0024] 2. The utility model ensures that the sensor can maintain a good temperature state during long-term working by setting a heat dissipation area at the rear of the shell, thereby enhancing the sensor's adaptability to different environments and supporting a communication interface for wireless or wired data transmission, so that the sensor can easily exchange data with various external devices, thereby enhancing the compatibility of the system.

[0025] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0027] Figure 1 It is a schematic diagram of the front part of the overall structure of the utility model.

[0028] Figure 2 It is a schematic diagram of the tail part of the overall structure of the utility model.

[0029] Figure 3 This is a principle block diagram of the utility model.

[0030] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0031] 1. Sensor body; 11. Shell; 12. Connecting seat; 13. Center axis; 14. Torque sensor transformer; 15. Communication interface; 16. Heat dissipation area; 17. Power module. DETAILED DESCRIPTION

[0032] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0033] Example

[0034] See also Figure 1-3 The utility model is an adaptive calibration type dynamic torque measurement sensor, comprising a sensor body 1, wherein the sensor body 1 comprises a housing 11, a connecting seat 12 integrally arranged at the middle position of the circumference of the housing 11, a central shaft 13 movably arranged at the end of the housing 11, a torque sensing transformer 14 fixed to the circumference of the central shaft 13, and a sensing element arranged inside the housing 11;

[0035] The sensor element includes: an adaptive calibration module for automatically adjusting measurement parameters according to environmental changes; a signal conditioning circuit module for processing the electrical signal output by the sensor element; a data processing module for calculating the actual torque value; and a communication interface 15 for exchanging data with external devices.

[0036] Further explanations of the above structure are:

[0037] The adaptive calibration module includes: a temperature sensor for monitoring temperature changes; a vibration sensor for monitoring vibration conditions; the signal conditioning circuit module includes: an amplifier for amplifying the electrical signal output by the sensor element; a filter for removing noise signals; the data processing module also includes a storage unit for recording torque measurement history data.

[0038] The technical solution provides an adaptive calibration type dynamic torque measurement sensor, which is specifically described as follows: in the sensor body 1, the shell 11 is the main bearing body to protect the internal components from external influences, the connecting seat 12 is used to install and fix the sensor body 1, the central axis 13 is movably arranged at the end of the shell 11 to directly bear the torque, and the torque sensing strain 14 is fixed to the peripheral side of the central axis 13 to sense the strain caused by the torque change;

[0039] The sensing element is located inside the housing 11, and includes an adaptive calibration module, a signal conditioning circuit module, a data processing module, and a communication interface 15. The temperature sensor in the adaptive calibration module is used to monitor the temperature change of the environment in which the sensor is located, and the vibration sensor is used to monitor the vibration of the environment in which the sensor is located. The environmental changes are monitored in real time, and the parameters of the signal conditioning circuit module are automatically adjusted according to these changes to improve the measurement accuracy, and high accuracy can be maintained even in a complex environment;

[0040] The amplifier in the signal conditioning circuit module is used to amplify the weak electrical signal output by the sensor element, and the filter is used to remove noise in the signal to ensure the purity of the signal. The weak electrical signal generated by the torque sensor transformer 14 is amplified and filtered. The data processing module calculates the actual torque value based on the processed signal, receives the processed signal, calculates the actual torque value, and stores the torque measurement data. The communication interface 15 is embedded in the rear part of the shell 11 and is interactively connected with the data processing module, supporting wireless or wired data transmission methods, and is used to exchange data with external devices.

[0041] In addition, the heat dissipation area 16 is set at the rear of the shell 11 to ensure that the sensor can maintain a good temperature state during long-term operation, thereby improving the stability and reliability of the sensor; the power module 17 is embedded in the rear of the shell 11 to provide power support for the entire sensor.

[0042] When the sensor is in use, the sensor is installed on the device to be tested through the connecting socket 12; the power module 17 is turned on and the sensor starts to work; when the device to be tested applies torque, the torque sensor transformer 14 on the central axis 13 senses the torque change; the electrical signal output by the sensor element is processed by the signal conditioning circuit module, and the actual torque value is calculated by the data processing module; the torque measurement data is sent to the external device through the communication interface 15, and the communication interface 15 supports a variety of data transmission methods, which is convenient for integration with different types of external devices.

[0043] The torque sensor transformer 14 senses the strain caused by the torque change and converts the mechanical deformation into an electrical signal; the temperature sensor and the vibration sensor are used to monitor the environmental conditions and automatically adjust the parameters of the signal conditioning circuit module to ensure that accurate torque measurement results can be obtained in any environment; the weak electrical signal is amplified by the amplifier and the noise is removed by the filter to improve the signal quality; the data processing module receives the processed signal, calculates the actual torque value, and stores the torque measurement data through the storage unit, which is convenient for later viewing and analysis of the torque measurement history data.

[0044] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0045] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. An adaptive calibration type dynamic torque measurement sensor, comprising a sensor body (1), characterized in that: The sensor body (1) comprises a housing (11), a connecting seat (12) integrally arranged at a middle position of a circumferential side of the housing (11), a central shaft (13) movably arranged at an end of the housing (11), a torque sensing transformer (14) fixed to a circumferential side of the central shaft (13), and a sensing element arranged inside the housing (11); The sensing element comprises: Adaptive calibration module, used to automatically adjust measurement parameters according to environmental changes; A signal conditioning circuit module is used to process the electrical signal output by the sensor element; A data processing module, used to calculate the actual torque value; The communication interface (15) is used to exchange data with external equipment.

2. The adaptive calibration type dynamic torque measurement sensor according to claim 1, characterized in that: The adaptive calibration module comprises: Temperature sensor, used to monitor temperature changes; Vibration sensors are used to monitor vibration conditions.

3. The adaptive calibration type dynamic torque measurement sensor according to claim 1, characterized in that: The signal conditioning circuit module comprises: An amplifier, used to amplify the electrical signal output by the sensor element; Filters are used to remove noise signals.

4. The adaptive calibration type dynamic torque measurement sensor according to claim 1, characterized in that: The communication interface (15) supports wireless or wired data transmission, and the communication interface (15) is embedded in the rear of the housing (11).

5. The adaptive calibration type dynamic torque measurement sensor according to claim 1, characterized in that: The data processing module also includes a storage unit for recording torque measurement history data.

6. The adaptive calibration type dynamic torque measurement sensor according to claim 1, characterized in that: The data processing module is interactively connected to the communication interface (15), and the input end of the data processing module is connected to the signal conditioning circuit module.

7. The adaptive calibration type dynamic torque measurement sensor according to claim 1, characterized in that: A heat dissipation area (16) is provided at the rear of the shell (11), and a power supply module (17) is embedded in the rear of the shell (11).

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