CN220983323U - Checking device for rotation speed sensor - Google Patents

Checking device for rotation speed sensor Download PDF

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Publication number
CN220983323U
CN220983323U CN202323179977.8U CN202323179977U CN220983323U CN 220983323 U CN220983323 U CN 220983323U CN 202323179977 U CN202323179977 U CN 202323179977U CN 220983323 U CN220983323 U CN 220983323U
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China
Prior art keywords
sensor
motor
gear
speed
shell
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CN202323179977.8U
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Chinese (zh)
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易威威
史峥宇
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Hunan Aerospace Tianlu New Material Testing Co ltd
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Hunan Aerospace Tianlu New Material Testing Co ltd
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Abstract

The application discloses a rotating speed sensor verification device, which comprises a mounting seat, a gear rotationally arranged on the mounting seat, a motor in driving connection with the gear, a speed measuring sensor for measuring the rotating speed of the gear, a control module and a shell, wherein the control module is electrically connected with the speed measuring sensor and the motor, and is used for carrying out negative feedback control on the rotating speed of the motor; the mounting seat is provided with a mounting position for mounting the sensor to be measured, the mounting position is arranged in the shell, and the motor and the speed sensor are positioned outside the shell. The thermocouple or the refrigeration component can be arranged in the shell, so that the sensor to be measured is in different temperature environments, and meanwhile, the speed measuring sensor is arranged on the shell to isolate the influence of the simulation environment on the speed measuring sensor, so that the accuracy of the rotating speed of the gear measured by the speed measuring sensor is ensured. And comparing the measurement result of the sensor to be measured with the measurement result of the speed measuring sensor to obtain the measurement accuracy of the sensor to be measured under different environments.

Description

Checking device for rotation speed sensor
Technical Field
The application relates to the field of sensor calibration, in particular to a calibration device for a rotating speed sensor.
Background
The rotation speed sensor is a sensor for converting the rotation speed of a rotating object into an electric signal for output, and mainly comprises a front sealing section, a magnetizer, magnetic steel, a coil, high-temperature insulating glue, a high-temperature thin wire, a rear sealing section, a high-temperature wire, high-temperature glue, a socket and the like. The detection means of the rotating speed sensor in the current market is mainly applied to normal rotating speed parameter detection at normal temperature, and the current detection equipment has no platform system for detecting durability and service life in special environments such as high temperature and high temperature vibration environments in terms of structure and test function. The method is not fully suitable for detecting the characteristic parameters and the reliability service life of the rotating speed sensor in the special environments such as the special vehicle, aviation machine, turbocharger and the like at present.
Disclosure of utility model
The embodiment of the application provides a checking device for a rotating speed sensor, which is used for solving the problem that the conventional checking device is not suitable for checking a sensor in a special environment.
The embodiment of the application provides a checking device for a rotation speed sensor, which comprises the following components:
the mounting seat is provided with a mounting position for mounting the sensor to be tested;
the gear is rotationally arranged on the mounting seat;
the motor is arranged on one side of the mounting seat and is in driving connection with the gear;
The speed measuring sensor is arranged on the mounting seat and is positioned on the same side of the mounting seat as the motor, and the speed measuring sensor is used for detecting the rotating speed of the gear;
The control module is electrically connected with the motor and the speed measuring sensor and is used for carrying out negative feedback control on the rotating speed of the motor;
The shell is used for installing the installation seat, the installation position is positioned in the shell, and the motor and the speed measuring sensor are positioned outside the shell.
In some embodiments, the rotation speed sensor verification device further comprises at least one of a heating assembly, a cooling assembly and a vibration assembly, and the heating assembly, the cooling assembly and the vibration assembly are disposed in the housing.
In some embodiments, the rotation speed sensor verification device further comprises a temperature sensor disposed in the housing and electrically connected to the control module.
In some embodiments, the rotation speed sensor verification device further includes two speed measuring sensors, and the two speed measuring sensors are respectively arranged at two sides of the motor.
In some embodiments, the rotational speed sensor verification device further comprises a clearance detector for detecting a clearance of the mounting location from the gear.
In some embodiments, the gap detector further comprises a micrometer disposed on the mount.
The rotating speed sensor verification device comprises a mounting seat, a gear rotationally arranged on the mounting seat, a motor in driving connection with the gear, a speed measuring sensor for measuring the rotating speed of the gear, a control module and a shell, wherein the control module is electrically connected with the speed measuring sensor and the motor, and is used for carrying out negative feedback control on the rotating speed of the motor; the mounting seat is provided with a mounting position for mounting the sensor to be measured, the mounting position is arranged in the shell, and the motor and the speed sensor are positioned outside the shell. The thermocouple or the refrigeration component can be arranged in the shell, so that the sensor to be measured is in different temperature environments, and meanwhile, the speed measuring sensor is arranged on the shell to isolate the influence of the simulation environment on the speed measuring sensor, so that the accuracy of the rotating speed of the gear measured by the speed measuring sensor is ensured. And comparing the measurement result of the sensor to be measured with the measurement result of the speed measuring sensor to obtain the measurement accuracy of the sensor to be measured under different environments.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of a checking device for a rotation speed sensor according to an embodiment of the present application;
Fig. 2 is an exploded view of the rotational speed sensor calibration device provided in the embodiment of fig. 1.
Description of the reference numerals:
1. A sensor to be measured; 2. a mounting base; 3. a gap detector; 4. a speed sensor; 5. a motor; 6. a bottom plate; 7. a gear;
the achievement of the objects, functional features and advantages of the present application will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the application.
It will be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are merely for convenience in describing and simplifying the description based on the orientation or positional relationship shown in the drawings, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be construed as limiting the application.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
An embodiment of the present application provides a rotational speed sensor calibration device, referring to fig. 1 and 2, the rotational speed sensor calibration device includes: a mounting seat 2 on which a mounting position for mounting the sensor 1 to be measured is provided; the gear 7 is rotatably arranged on the mounting seat 2; the motor 5 is arranged on one side of the mounting seat 2 and is in driving connection with the gear 7; the speed measuring sensor 4 is arranged on the mounting seat 2 and is positioned on the same side of the mounting seat 2 as the motor 5, and the speed measuring sensor 4 is used for detecting the rotating speed of the gear 7; the control module is electrically connected with the motor 5 and the speed measuring sensor 4 and is used for carrying out negative feedback control on the rotating speed of the motor 5; the shell is used for installing the installation seat 2, the installation position is positioned in the shell, and the motor 5 and the speed measuring sensor 4 are positioned outside the shell.
The sensor to be measured in the embodiment of the utility model is arranged on the mounting position 2 and is opposite to the periphery of the gear 7, and when the gear 7 rotates, the sensor to be measured is sequentially opposite to the tooth tops and tooth grooves, different signals are sent out, and the rotating speed of the gear 7 can be obtained according to the frequency of the signals. The rotating speed sensor checking device comprises a mounting seat 2, a gear 7 rotatably arranged on the mounting seat 2, a motor 5 in driving connection with the gear 7, a speed measuring sensor 4 for measuring the rotating speed of the gear 7, a control module and a shell (not shown in the figure), wherein the control module is electrically connected with the speed measuring sensor 4 and the motor 5, and is used for carrying out negative feedback control on the rotating speed of the motor 5; the mounting seat 2 is provided with a mounting position for mounting the sensor 1 to be tested, the mounting position is arranged in the shell through the bottom plate 6, and the motor 5 and the speed measuring sensor 4 are positioned outside the shell. The thermocouple or the refrigerating component can be arranged in the shell, so that the sensor 1 to be measured is in different temperature environments, meanwhile, the speed measuring sensor 4 is arranged on the shell to isolate the influence of the simulation environment on the speed measuring sensor 4, and the accuracy of the rotating speed of the gear 7 measured by the speed measuring sensor 4 is ensured. And comparing the measurement result of the sensor 1 to be measured with the measurement result of the speed measuring sensor 4 to obtain the measurement accuracy of the sensor 1 to be measured under different environments. It should be noted that the working principles of each sensor, detector and control module, and the control method of the rotation speed, etc. can be any mode in the prior art. The utility model is not limited in any way, and the core of the utility model is that each module device is reasonably integrated and arranged, and the position and the structure of the module device are improved so as to improve the durability and the service life of the module device in special environments such as high temperature and the like.
In some embodiments, referring to fig. 1 and 2, the rotation speed sensor verification device further includes at least one of a heating assembly, a cooling assembly, and a vibration assembly, and the heating assembly, the cooling assembly, and the vibration assembly are disposed in the housing. The heating component can be a thermocouple, the refrigerating component can be a semiconductor refrigerating sheet, the vibration component can be a vibration motor, the thermocouple, the semiconductor refrigerating sheet and the vibration motor are electrically connected with the control module, and the control module sends control instructions to the thermocouple, the semiconductor refrigerating sheet and the vibration motor so as to simulate different environment temperatures and vibration conditions. The three can be arranged on the mounting seat 2 and near the mounting position.
In some embodiments, referring to fig. 1 and 2, the rotation speed sensor verification device further includes a temperature sensor disposed in the housing and electrically connected to the control module. The temperature sensor is arranged on the mounting seat 2 and is positioned on one side of the mounting position and used for monitoring the ambient temperature of the area where the sensor 1 to be detected is positioned. Therefore, the control module can carry out negative feedback control on the thermocouple and the refrigerating sheet based on the monitoring value of the temperature sensor, and ensures accurate control on the temperature.
In some embodiments, referring to fig. 1 and 2, the rotation speed sensor verification device further includes two speed measuring sensors 4, where the two speed measuring sensors are respectively disposed on two sides of the motor 5. The rotating speed sensor verification device further comprises a clearance detector 3, wherein the clearance detector 3 is used for detecting the clearance between the installation position and the gear 7. The gap detector 3 further comprises a micrometer arranged on the mounting seat 2.
The main function of the rotating speed detection device is to detect the high-speed performance of the rotating speed sensor, and the rotating speed detection device can detect the response speed, standard response curve and the like of the rotating speed sensor under different environments and different working conditions in cooperation with environmental tests, so that the rotating speed detection device has certain significance in the aspects of research and development of rotating speed sensor manufacturers, user selection and the like. The main characteristics of the device are that the real-time feedback of the rotating speed of the standard gear 7 is realized, the phase difference fed back by the two speed measuring sensors 4 with different phases is analyzed by the system to obtain the rotating speed of the standard gear 7, and the rotating speed and the motor 5 form closed-loop control, so that the rotating speed precision of the gear 7 is greatly improved; the gap detection device can periodically check the gap of the gear 7 by a tester, so that abnormal conditions such as abrasion and eccentricity of the gear 7 can be known. The control module can be an industrial personal computer, the industrial personal computer is provided with a function of controlling the rotating speed of the motor 5, and the parameters such as the rotating speed, the current and the voltage of the rotating speed sensor to be detected are collected, data analysis processing is carried out, and the display displays parameter data indexes in real time.
The main innovation points of the embodiment of the application are as follows:
(1) The integrated real-time online rotation speed sensor detection technology platform is researched and developed, and the functions of real-time acquisition of various sensor parameters, signal analysis and processing, transmission and storage of data and visual display of evaluation results can be synchronously realized;
(2) The durability detection and evaluation method for the rotating speed sensor is provided, the performance parameters of the sensor in a special environment are collected through a connecting mechanism and material selection, the data of the sensor in a comprehensive environment are processed through a service life test analysis method, and the reliability and the service life performance of the rotating speed sensor in the special environment are analyzed and evaluated.
The method and the system for detecting the rotation speed of the sensor can detect the rotation speed of the rotation speed sensor, improve the verification of the reliability of the sensor in a high-low-temperature and vibration comprehensive environment, and fully understand the use condition and the working process of different sensors under various different working conditions (high-temperature, low-temperature and vibration comprehensive stress). The test capability of a detection company in the detection of the products of the rotation speed sensor can be perfected, and a set of detection method and a detection platform of the rotation speed sensor which meet the market demands of special sensors, accord with the relevant test standards and match with the existing environment and reliability test capability are developed.
The foregoing description of the preferred embodiments of the application is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the application.

Claims (6)

1. A rotational speed sensor verification device, characterized by comprising:
the mounting seat is provided with a mounting position for mounting the sensor to be tested;
the gear is rotationally arranged on the mounting seat;
the motor is arranged on one side of the mounting seat and is in driving connection with the gear;
The speed measuring sensor is arranged on the mounting seat and is positioned on the same side of the mounting seat as the motor, and the speed measuring sensor is used for detecting the rotating speed of the gear;
The control module is electrically connected with the motor and the speed measuring sensor and is used for carrying out negative feedback control on the rotating speed of the motor;
The shell is used for installing the installation seat, the installation position is positioned in the shell, and the motor and the speed measuring sensor are positioned outside the shell.
2. The rotational speed sensor verification device of claim 1, further comprising at least one of a heating assembly, a cooling assembly, and a vibration assembly, wherein the heating assembly, the cooling assembly, and the vibration assembly are disposed in the housing.
3. The rotational speed sensor verification device of claim 2, further comprising a temperature sensor disposed in the housing and electrically connected to the control module.
4. The rotational speed sensor verification device according to claim 2, further comprising two speed measuring sensors, wherein the two speed measuring sensors are respectively arranged at two sides of the motor.
5. The rotational speed sensor verification device according to claim 1, further comprising a gap detector for detecting a gap of the mounting location with the gear.
6. The rotational speed sensor verification device of claim 5, wherein the gap detector further comprises a micrometer disposed on the mount.
CN202323179977.8U 2023-11-24 2023-11-24 Checking device for rotation speed sensor Active CN220983323U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202323179977.8U CN220983323U (en) 2023-11-24 2023-11-24 Checking device for rotation speed sensor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202323179977.8U CN220983323U (en) 2023-11-24 2023-11-24 Checking device for rotation speed sensor

Publications (1)

Publication Number Publication Date
CN220983323U true CN220983323U (en) 2024-05-17

Family

ID=91059576

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202323179977.8U Active CN220983323U (en) 2023-11-24 2023-11-24 Checking device for rotation speed sensor

Country Status (1)

Country Link
CN (1) CN220983323U (en)

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