CN210268892U - Vibration interference processing device and applicable terminal equipment - Google Patents
Vibration interference processing device and applicable terminal equipment Download PDFInfo
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- CN210268892U CN210268892U CN201920470831.3U CN201920470831U CN210268892U CN 210268892 U CN210268892 U CN 210268892U CN 201920470831 U CN201920470831 U CN 201920470831U CN 210268892 U CN210268892 U CN 210268892U
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Abstract
The utility model discloses a vibration interference processing apparatus and the terminal equipment that the device was suitable for, the device includes: the system comprises a vibration sensor, an interference detection sensor and a singlechip module; the vibration sensor is connected with the single chip microcomputer module and used for acquiring the acceleration value of the terminal equipment and sending the acceleration value of the terminal equipment to the single chip microcomputer module; the interference detection sensor is connected with the single chip microcomputer module and used for acquiring interference data of an interference source in the terminal equipment and sending the interference data to the single chip microcomputer module; and the singlechip module is used for receiving the acceleration value of the terminal equipment and the interference data and calculating the actual acceleration value of the terminal equipment according to a preset rule. The utility model provides a vibration sensor receive the interference of interference source, lead to the unsafe problem of detected data, obtained the real acceleration value of terminal equipment.
Description
Technical Field
The utility model relates to a detect technical field, especially relate to a vibration interference processing apparatus and the terminal equipment that the device is suitable for.
Background
With the rapid development of modern industry, digitization and informatization also become the development direction of modern detection technology, and the foremost end of the detection technology is the sensor technology. Particularly, with IC technology and computer technology that have been rapidly developed in recent years, as an important branch of the sensor field, vibration sensors are widely used in various fields, and the accuracy of data acquisition by vibration sensors is becoming more and more important.
However, when the vibration sensor acquires data of a detected object, one or more interference sources, such as a motor, an electronic speed regulator, a propeller, etc., often exist, and these interference sources may have a great influence on the data acquired by the vibration sensor, and may not acquire real data of the detected object.
SUMMERY OF THE UTILITY MODEL
Based on above, an object of the utility model is to provide a vibration interference processing apparatus and the terminal equipment that the device was suitable for, through the interference data and the measured data of vibration sensor who acquire the interference source to obtain the real acceleration value of terminal equipment.
In order to achieve the purpose, the utility model adopts the following technical proposal:
a vibration disturbance processing apparatus comprising: the system comprises a vibration sensor, an interference detection sensor and a singlechip module;
the vibration sensor is connected with the single chip microcomputer module and used for acquiring the acceleration value of the terminal equipment and sending the acceleration value of the terminal equipment to the single chip microcomputer module;
the interference detection sensor is connected with the single chip microcomputer module and used for acquiring interference data of an interference source in the terminal equipment and sending the interference data to the single chip microcomputer module;
and the singlechip module is used for receiving the acceleration value of the terminal equipment and the interference data and calculating the actual acceleration value of the terminal equipment according to a preset rule.
A terminal device, comprising: the vibration interference processing device.
The utility model has the advantages that: the acceleration value of the terminal equipment is obtained through the vibration sensor, interference source data inside the terminal equipment are obtained through the interference detection sensor, the real acceleration value of the terminal equipment is calculated through the single chip microcomputer module according to the obtained acceleration value and the interference source data of the terminal equipment, interference of the interference source on the data obtained by the vibration sensor is eliminated, and the real acceleration value of the terminal equipment is accurately obtained.
Drawings
Fig. 1A is a structural diagram of a vibration interference processing apparatus provided by the present invention;
fig. 1B is a structural diagram of a vibration interference processing apparatus provided by the present invention;
fig. 1C is a structural diagram of a vibration sensor provided by the present invention;
fig. 2 is a flowchart of a vibration interference processing method provided by the present invention;
fig. 3 is a structural diagram of a terminal device provided by the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
Example one
As shown in fig. 1A, 1B, and 1C, the present embodiment provides a vibration interference processing apparatus including: vibration sensor 1, interference detection sensor 2 and single chip module 3.
And the vibration sensor 1 is connected with the single chip microcomputer module 3 and used for acquiring the acceleration value of the terminal equipment and sending the acceleration value of the terminal equipment to the single chip microcomputer module 3.
The vibration sensor 1 is a sensor which senses a parameter of mechanical motion vibration and converts the parameter into a usable output signal, and as shown in fig. 1C, the vibration sensor includes a vibration pickup unit 11, a measurement unit 12 and a signal unit 13. The vibration pickup unit 11 comprises a mechanical subunit 111 and an electronic unit 112, wherein the mechanical subunit 111 is used for receiving the input quantity of the vibration sensor 1, namely, the original mechanical signal to be measured, and converting the input quantity into another mechanical signal suitable for conversion; and an electronic unit 112 for receiving the converted mechanical quantity and converting the mechanical quantity into an electrical quantity. The measuring unit 12 is used for receiving and measuring the electric quantity sent by the vibration pickup unit 11 to obtain an electric signal; and a signal unit 13, configured to send the electrical signal output by the measurement unit 12 to an analysis device, a display device, or a recording device, where in this embodiment, the signal unit 13 sends the electrical signal output by the measurement unit 12 to the single chip microcomputer module 3.
Optionally, in this embodiment, the vibration sensor 1 is a vibration acceleration sensor, and the vibration acceleration sensor receives the mechanical vibration amount and converts the mechanical vibration amount into an acceleration signal value proportional to the mechanical vibration amount.
Optionally, the vibration sensor 1 is located inside the terminal device, and the installation position of the vibration sensor is determined by the structure of the controlled terminal device and the type of the interference source; when the interference source is a plurality of interference sources, the installation position of the interference source also comprehensively considers the relative distance between the vibration sensor and each interference source.
And the interference detection sensor 2 is connected with the singlechip module 3 and used for acquiring interference data of an interference source in the terminal equipment and sending the interference data to the singlechip module 3.
The interference source can be a power device such as a motor and a propeller, and can also be other components or devices generating vibration. Taking a motor as an example, the vibration of the motor is caused by many reasons, for example: the method comprises the following steps of (1) influencing the electromagnetism aspects such as rotor iron core loosening and stator winding breakage, also having mechanical reasons such as bearing failure and insufficient mechanical structure strength, and also having electronic influences such as unilateral electromagnetic tension and axial movement; the vibration of the motor will have a great influence on obtaining the real acceleration data of the controlled terminal device, so that an interference detection sensor 2 needs to be set up for detecting the interference data of the motor, that is, detecting the vibration data of the motor.
Optionally, the interference detection sensor 2 is located inside the terminal device, and for a contact type interference detection sensor, it needs to be in contact connection with an interference source, and if there are multiple interference sources, each interference source needs to be in contact connection with one interference detection sensor; for a non-contact disturbance detection sensor, it may be installed near the disturbance source at a distance less than or equal to a preset distance. The number of the interference detection sensors is smaller than or equal to the number of the interference sources in the terminal equipment, and when the distances between the interference detection sensors and the multiple interference sources are smaller than or equal to the preset distance, the comprehensive interference data of the multiple interference sources can be obtained by only one interference detection sensor. Within a preset distance near the interference source, the interference detection sensor 2 can detect interference data of the interference source, and the preset distance can be determined by combining the structure of the terminal equipment and the use requirement of the interference detection sensor, for example, 0.8 mm; outside the preset distance of the interference source, the interference detection sensor 2 cannot detect the interference data of the interference source. In the present invention, the type of the interference detection sensor 2 is not particularly limited.
Optionally, the interference detection sensor 2 is a vibration acceleration sensor, and correspondingly, the interference data is an interference acceleration value.
Optionally, the interference detection sensor 2 is a vibration speed sensor, and correspondingly, the interference data is an interference speed value.
Optionally, the interference detection sensor 2 is a vibration displacement sensor, and correspondingly, the interference data is an interference displacement value.
And the singlechip module 3 is used for receiving the acceleration value of the terminal equipment and the interference data and calculating the actual acceleration value of the terminal equipment according to a preset rule.
The single chip microcomputer module 3 comprises a subtracter and is used for calculating a difference value between the acceleration value of the terminal equipment and the acceleration value of the interference source to obtain the actual acceleration value of the terminal equipment.
Optionally, when the interference detection sensor 2 is a vibration acceleration sensor, the interference data received by the single chip microcomputer module 3 is an acceleration value of an interference source, and in the first subtractor, the acceleration value of the interference source is subtracted from the obtained acceleration value of the terminal device, so that an obtained difference value is an actual acceleration value of the terminal device.
Optionally, when the interference detection sensor 2 is a vibration velocity sensor, the interference data received by the single chip microcomputer module 3 is a velocity value of an interference source, the single chip microcomputer module converts the received interference velocity value into an interference acceleration value, and then subtracts the converted interference acceleration value from the obtained acceleration value of the terminal device in a second subtractor, so as to obtain a difference value, which is an actual acceleration value of the terminal device.
Optionally, when the interference detection sensor 2 is a displacement detection sensor, the interference data received by the single chip microcomputer module is a displacement value of an interference source, the single chip microcomputer module 3 converts the received interference displacement value into an interference acceleration value, and then in a third subtractor, the converted interference acceleration value is subtracted from the obtained acceleration value of the terminal device, so that an obtained difference value is the actual acceleration value of the terminal device.
According to the embodiment, the acceleration value of the terminal equipment is obtained through the vibration sensor, the interference data of the interference source in the terminal equipment is obtained through the interference detection sensor, the acceleration value and the interference data of the terminal equipment are received through the single chip microcomputer module, the actual acceleration value of the terminal equipment is calculated according to the preset rule, the problem that the vibration sensor is interfered by the interference source to cause inaccurate detection data is solved, the detection precision is greatly improved, and the accurate value of the acceleration of the terminal equipment is obtained.
Example two
Fig. 2 is a flowchart of a vibration interference processing method according to the second embodiment of the present invention, which is suitable for a situation where a plurality of sensors are used to detect interference source data, so that a vibration sensor obtains accurate data, and the method can be executed by a vibration interference processing apparatus, and the method includes:
s201, acquiring an acceleration value of a terminal device and interference data of an interference source in the terminal device.
Because the vibration of the terminal device generates the vibration acceleration of the terminal device, the process of acquiring the acceleration of the terminal device needs to convert an input signal, namely a mechanical signal of the vibration of the terminal device, into electric quantity; then, measuring the electric quantity value; finally, the electrical signal is output to an analysis device, a display device or a recording device. In this embodiment, the output electrical signal may be sent to the single chip module for data calculation.
Alternatively, the detection device for the terminal device acceleration may be a vibration sensor, and particularly may be a vibration acceleration sensor, and the vibration acceleration sensor receives the mechanical vibration quantity of the terminal device and converts the mechanical vibration quantity into an acceleration signal value proportional to the mechanical vibration quantity.
In order to obtain more accurate acceleration value of the terminal equipment and avoid the interference of external factors, a detection device of the acceleration of the terminal equipment is arranged in the terminal equipment, and the installation position of the detection device is determined by the structure of the controlled terminal equipment and the type of an interference source; when the number of the interference sources is multiple, the installation position of the interference sources also comprehensively considers the distance between the detection device and each interference source.
For the terminal equipment, due to the functional requirements, various internal components, such as control devices such as an electronic governor and the like, and power devices such as a motor, a propeller and the like, can generate vibration, and the existence of these interference sources can affect the acquired acceleration value of the terminal equipment. Taking a motor as an example, the vibration of the motor is caused by many reasons, for example: the influence of electromagnetism such as rotor iron core looseness, stator winding breakage and the like also has mechanical reasons such as bearing failure, insufficient mechanical structure strength and the like, and also has the influence of electric machines such as unilateral electromagnetic tension, axial movement and the like; the vibration of the motor greatly affects the acquisition of the real acceleration data of the controlled terminal device, so that the interference data of the motor needs to be detected, that is, the vibration data of the motor needs to be detected.
Because the acquired interference source data come from the inside of the terminal equipment, the interference detection device is also installed in the terminal equipment and can be in contact connection with the interference source, or the distance between the interference detection device and the interference source is smaller than or equal to the preset distance, the number of the interference detection devices is smaller than or equal to the number of the interference sources in the terminal equipment, and when the distances between the interference detection device and the interference sources are smaller than or equal to the preset distance, the comprehensive interference data of the interference sources can be acquired by only one interference detection device.
Alternatively, in order to obtain the disturbance acceleration value, a vibration acceleration sensor may be selected as the disturbance detection device.
Alternatively, in order to obtain the disturbance speed value, a vibration speed sensor may be selected as the disturbance detection device.
Alternatively, in order to obtain the disturbance displacement value, a vibration displacement sensor may be selected as the disturbance detection device.
S202, calculating the actual acceleration value of the terminal equipment according to the acceleration value of the terminal equipment, the interference data and a preset rule.
The preset rule is that the acceleration value of the interference source is subtracted from the acceleration value of the terminal equipment.
The calculation process can be completed by the single chip module, and the single chip module needs to comprise a subtracter and is used for realizing a calculation method of a preset rule, namely, the difference value of the acceleration value of the terminal equipment and the acceleration value of the interference source is calculated, so that the actual acceleration value of the terminal equipment is obtained.
Optionally, when the obtained interference data is an acceleration value of the interference source, a difference value between the acceleration value of the terminal device and the acceleration value of the interference may be obtained, where the difference value is an actual acceleration value of the terminal device.
Optionally, when the acquired interference data is a velocity value of the interference source, the interference velocity value needs to be converted into an interference acceleration value, and then a difference value between the acceleration value of the terminal device and the acceleration value of the interference source is obtained, where the difference value is an actual acceleration value of the terminal device.
Optionally, when the acquired interference data is a displacement value of the interference source, the interference displacement value needs to be converted into an interference acceleration value, and then a difference value between the acceleration value of the terminal device and the acceleration value of the interference source is obtained, where the difference value is the actual acceleration value of the terminal device.
According to the embodiment, the acceleration value of the terminal equipment and the interference data of the interference source in the terminal equipment are obtained, and the real acceleration value of the terminal equipment is obtained by combining the preset rule, so that the problem that the detection data is inaccurate due to the interference of the interference source in the process of obtaining the acceleration value of the terminal equipment is solved, the detection precision is greatly improved, and the accurate value of the acceleration of the terminal equipment is obtained.
EXAMPLE III
Fig. 3 is a terminal device provided by the utility model thirdly, terminal device has integrateed the utility model provides a vibration interference processing apparatus utilizes this vibration interference processing apparatus can acquire the accurate vibration acceleration value of terminal device, and is optional, and terminal device in this embodiment specifically can be robot or unmanned aerial vehicle.
The terminal equipment can comprise N interference sources, wherein N is a positive integer; as shown in fig. 3, taking three interference sources C1, C2 and C3 as an example, each interference source is installed with a corresponding interference detection sensor 2 to obtain interference data of the interference sources C1-C3, and send the interference data to the single chip microcomputer module 3. The vibration sensor 1 in the terminal equipment acquires the acceleration value of the terminal equipment and sends the acceleration value to the singlechip module 3. The single chip microcomputer module 3 can calculate the actual acceleration value of the terminal equipment according to the preset rule, so that the interference of an internal interference source to the vibration acceleration of the terminal equipment is eliminated.
During the movement process of the terminal device, a plurality of internal interference sources, such as: the motor, the electronic speed regulator, the propeller and the like can generate more or less vibration due to the working characteristics of the motor, the electronic speed regulator, the propeller and the like, and the vibration has great influence on the acceleration value of the terminal equipment acquired by the vibration sensor, so that the vibration interference processing device is integrated in the terminal equipment in order to acquire the real acceleration value of the terminal equipment.
Like this kind of device of robot or unmanned aerial vehicle, in the motion process, it is very big to receive environmental factor to influence, and some slight vibrations can all lead to the fuselage to lose balance, so it is very important to the detection of vibration acceleration, and in this embodiment, terminal equipment is through having integrateed vibration interference processing apparatus, can effectually eliminate the interference of internal disturbance source to terminal equipment vibration acceleration, acquires the accurate vibration acceleration value of terminal equipment.
It should be noted that the foregoing is only a preferred embodiment of the present invention and the technical principles applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.
Claims (4)
1. A vibration interference processing apparatus, comprising: the system comprises a vibration sensor, an interference detection sensor and a singlechip module;
the vibration sensor is connected with the single chip microcomputer module and used for acquiring the acceleration value of the terminal equipment and sending the acceleration value of the terminal equipment to the single chip microcomputer module;
the interference detection sensor is connected with the single chip microcomputer module and used for acquiring interference data of an interference source in the terminal equipment and sending the interference data to the single chip microcomputer module;
the single chip microcomputer module is used for receiving the acceleration value and the interference data of the terminal equipment and calculating the actual acceleration value of the terminal equipment according to a preset rule;
if the interference detection sensor is a vibration acceleration sensor and correspondingly the interference data is an interference acceleration value, the single chip microcomputer module comprises a first subtracter which is used for calculating a difference value between the acceleration value of the terminal equipment and the interference acceleration value to obtain an actual acceleration value of the terminal equipment;
if the interference detection sensor is a vibration speed sensor and the interference data is an interference speed value correspondingly, the single chip microcomputer module comprises a second subtracter which is used for calculating the difference value between the acceleration value of the terminal equipment and the interference acceleration value corresponding to the interference speed value to obtain the actual acceleration value of the terminal equipment;
and if the interference detection sensor is a vibration displacement sensor and correspondingly the interference data is an interference displacement value, the singlechip module comprises a third subtracter for calculating the difference value between the acceleration value of the terminal equipment and the interference acceleration value corresponding to the interference displacement value to obtain the actual acceleration value of the terminal equipment.
2. The vibration interference processing apparatus according to claim 1, wherein the vibration sensor is located inside the terminal device; the interference detection sensor is positioned in the terminal equipment and is in contact connection with the interference source, or is arranged near the interference source and is smaller than or equal to a preset distance.
3. The vibration interference processing apparatus according to claim 1, wherein the number of interference detection sensors is smaller than or equal to the number of interference sources in the terminal device.
4. A terminal device, comprising:
the vibration interference processing apparatus of any one of claims 1 to 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201920470831.3U CN210268892U (en) | 2019-04-09 | 2019-04-09 | Vibration interference processing device and applicable terminal equipment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920470831.3U CN210268892U (en) | 2019-04-09 | 2019-04-09 | Vibration interference processing device and applicable terminal equipment |
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| CN210268892U true CN210268892U (en) | 2020-04-07 |
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| CN201920470831.3U Active CN210268892U (en) | 2019-04-09 | 2019-04-09 | Vibration interference processing device and applicable terminal equipment |
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