CN217304140U - Vibration sensor detection device - Google Patents
Vibration sensor detection device Download PDFInfo
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- CN217304140U CN217304140U CN202122822907.4U CN202122822907U CN217304140U CN 217304140 U CN217304140 U CN 217304140U CN 202122822907 U CN202122822907 U CN 202122822907U CN 217304140 U CN217304140 U CN 217304140U
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Abstract
The embodiment of the present disclosure discloses a vibration sensor detection device, including: the vibration generator is used for controlling vibration according to the preset vibration frequency and driving the vibration sensor to be tested to vibrate; the vibration platform is connected with the vibration generator and used for placing the vibration sensor to be measured; the data acquisition unit is communicated with the measured vibration sensor and is used for acquiring the measured vibration frequency of the measured vibration sensor; the embodiment can be used for detection maintenance and parameter calibration of the vibration sensor, belongs to a special test analysis method in the industry, and solves the problem that no special detection and calibration equipment exists in the maintenance of the vibration sensor; the device has the characteristics of small volume, high precision, simple operation, convenient use and the like, and can be used in various scenes such as fields, laboratories and the like.
Description
Technical Field
The disclosure relates to the technical field of sensor performance testing, in particular to a vibration sensor detection device.
Background
The vibration sensor is one of the key parts in the testing technology, and the function of the vibration sensor is mainly to receive mechanical quantity and convert the mechanical quantity into electric quantity proportional to the mechanical quantity. Since it is also an electromechanical conversion device. We sometimes refer to it as a transducer, a vibration pickup, etc.
The vibration sensor does not directly convert the original mechanical quantity to be measured into electric quantity, but uses the original mechanical quantity to be measured as the input quantity of the vibration sensor, then the mechanical quantity is received by the mechanical receiving part to form another mechanical quantity suitable for conversion, and finally the mechanical-electrical conversion part converts the mechanical quantity into electric quantity.
Disclosure of Invention
The present disclosure is proposed to solve the above technical problems. Embodiments of the present disclosure provide a vibration sensor detection device.
According to an aspect of the embodiments of the present disclosure, there is provided a vibration sensor detecting device including:
the vibration generator is used for controlling vibration according to the preset vibration frequency and driving the vibration sensor to be tested to vibrate;
the vibration platform is connected with the vibration generator and used for placing the vibration sensor to be measured;
and the hardware integrated control box is communicated with the measured vibration sensor and is used for acquiring the measured vibration frequency of the measured vibration sensor.
Optionally, the apparatus further comprises:
and the waveform decoder is integrated in the hardware integrated control box and is used for converting the preset vibration frequency into an analog voltage.
Optionally, the vibration generator comprises a micromechanical spring system and a frequency motor;
the frequency motor is used for generating vibration according to the driving of the analog voltage;
the micromechanical spring system is arranged at the upper end of the frequency motor and is used for vibrating according to the driving of the frequency motor to realize reciprocating periodic vibration.
Optionally, the apparatus further comprises:
the external measurement wire is used for connecting the vibration sensor to be measured with the data acquisition unit and transmitting a vibration signal of the vibration sensor to be measured to the data acquisition unit; wherein the vibration signal represents a signal obtained by measuring vibration of the vibration table by the measured vibration sensor;
the waveform decoder is further used for carrying out digital conversion on the vibration signal to obtain the measured vibration frequency.
Optionally, the apparatus further comprises:
and the frequency waveform generator is used for generating the preset vibration frequency and transmitting the preset vibration frequency to the vibration generator.
Optionally, the apparatus further comprises:
and the rotating bracket is used for placing the vibration generator and adjusting the placing directions of the vibration generator and the vibration platform according to the type of the vibration sensor to be measured.
Optionally, the vibration platform comprises a front side and a back side, the measured vibration sensor is placed on the front side of the vibration platform, and the back side of the vibration platform is provided with a distance meter;
and the distance meter is used for acquiring the distance change between the vibration generator and the vibration platform when the measured vibration frequency is acquired.
Optionally, the vibration platform is connected to the vibration generator through a transmission rod.
The vibration sensor detection device provided based on the above embodiment of the present disclosure includes: the vibration generator is used for controlling vibration according to the preset vibration frequency and driving the vibration sensor to be tested to vibrate; the vibration platform is connected with the vibration generator and used for placing the vibration sensor to be measured; the data acquisition unit is communicated with the measured vibration sensor and is used for acquiring the measured vibration frequency of the measured vibration sensor; the embodiment can be used for detection maintenance and parameter calibration of the vibration sensor, belongs to a special test analysis method in the industry, and solves the problem that no special detection and calibration equipment exists in the maintenance of the vibration sensor; the device has the characteristics of small volume, high precision, simple operation, convenient use and the like, and can be used in various scenes such as fields, laboratories and the like.
The technical solution of the present disclosure is further described in detail by the accompanying drawings and examples.
Drawings
The above and other objects, features and advantages of the present disclosure will become more apparent by describing in more detail embodiments of the present disclosure with reference to the attached drawings. The accompanying drawings are included to provide a further understanding of the embodiments of the disclosure and are incorporated in and constitute a part of this specification, illustrate embodiments of the disclosure and together with the description serve to explain the principles of the disclosure and not to limit the disclosure. In the drawings, like reference numbers generally represent like parts or steps.
Fig. 1 is a schematic structural diagram of a vibration sensor detection device according to an exemplary embodiment of the present disclosure.
Fig. 2 is a schematic structural diagram of a vibration sensor detection device according to another exemplary embodiment of the present disclosure.
Fig. 3 is a left side view of a stationary state of a rotating bracket in a vibration sensor detecting device according to an exemplary embodiment of the present disclosure.
Fig. 4 is a left side view of another stationary state of a rotating bracket in a vibration sensor detecting device according to an exemplary embodiment of the present disclosure.
Detailed Description
Hereinafter, example embodiments according to the present disclosure will be described in detail with reference to the accompanying drawings. It is to be understood that the described embodiments are merely a subset of the embodiments of the present disclosure and not all embodiments of the present disclosure, with the understanding that the present disclosure is not limited to the example embodiments described herein.
It should be noted that: the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present disclosure unless specifically stated otherwise.
It will be understood by those within the art that the terms "first", "second", etc. in the embodiments of the present disclosure are used only for distinguishing between different steps, devices or modules, etc., and do not denote any particular technical meaning or necessary logical order therebetween.
It is also understood that in embodiments of the present disclosure, "a plurality" may refer to two or more and "at least one" may refer to one, two or more.
It is also to be understood that any reference to any component, data, or structure in the embodiments of the disclosure, may be generally understood as one or more, unless explicitly defined otherwise or stated otherwise.
In addition, the term "and/or" in the present disclosure is only one kind of association relationship describing an associated object, and means that three kinds of relationships may exist, for example, a and/or B may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" in the present disclosure generally indicates that the former and latter associated objects are in an "or" relationship.
It should also be understood that the description of the embodiments in the present disclosure emphasizes the differences between the embodiments, and the same or similar parts may be referred to each other, and are not repeated for brevity.
Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description.
The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the disclosure, its application, or uses.
Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
The disclosed embodiments may be applied to electronic devices such as terminal devices, computer systems, servers, etc., which are operational with numerous other general purpose or special purpose computing system environments or configurations. Examples of well known terminal devices, computing systems, environments, and/or configurations that may be suitable for use with electronic devices, such as terminal devices, computer systems, servers, and the like, include, but are not limited to: personal computer systems, server computer systems, thin clients, thick clients, hand-held or laptop devices, microprocessor-based systems, set top boxes, programmable consumer electronics, network pcs, minicomputer systems, mainframe computer systems, distributed cloud computing environments that include any of the above systems, and the like.
Electronic devices such as terminal devices, computer systems, servers, etc. may be described in the general context of computer system-executable instructions, such as program modules, being executed by a computer system. Generally, program modules may include routines, programs, objects, components, logic, data structures, etc. that perform particular tasks or implement particular abstract data types. The computer system/server may be practiced in distributed cloud computing environments where tasks are performed by remote processing devices that are linked through a communications network. In a distributed cloud computing environment, program modules may be located in both local and remote computer system storage media including memory storage devices.
Fig. 1 is a schematic structural diagram of a vibration sensor detection device according to an exemplary embodiment of the present disclosure. As shown in fig. 1, the apparatus provided in this embodiment includes:
and the vibration generator 11 is used for controlling vibration according to the preset vibration frequency and driving the vibration sensor to be tested to vibrate.
Optionally, the preset vibration frequency may be any frequency within a range of 0.03 to 20MHz, and may correspond to a standard sinusoidal signal or a square wave signal, and the like. The body of the oscillator 41 can be packaged in a cylindrical iron housing with electromagnetic interference resistance, and can be directly placed on a table for resonance testing.
And the vibration platform 12 is connected with the vibration generator and is used for placing the vibration sensor to be measured.
In this embodiment, the vibration generated by the vibration generator is transmitted to the vibration platform, the vibration platform is provided with a measured vibration sensor to be detected, resonance at the same frequency is started, and the current vibration frequency is collected through the measured vibration sensor.
The hardware integrated control box 13 is communicated with the measured vibration sensor and is used for acquiring the measured vibration frequency of the measured vibration sensor; optionally, a signal acquisition device is integrated in the hardware integrated control box 13, and the signal acquisition device acquires the measured vibration frequency of the measured vibration sensor, and optionally, the measured vibration frequency of the measured vibration sensor may be acquired in a wired or wireless manner.
In an embodiment, since the measured vibration frequency is obtained by measuring the measured vibration sensor under the driving of the vibration generator based on the preset vibration frequency, in an ideal state when the measured vibration sensor has a good performance, the measured vibration frequency and the preset vibration frequency should be the same or very close, and therefore, the performance of the measured vibration sensor is determined by comparing the difference between the measured vibration frequency and the preset vibration frequency.
The above embodiment of this disclosure provides a vibration sensor detection device, includes: the vibration generator is used for controlling vibration according to the preset vibration frequency and driving the vibration sensor to be tested to vibrate; the vibration platform is connected with the vibration generator and used for placing the vibration sensor to be measured; the data acquisition unit is communicated with the measured vibration sensor and is used for acquiring the measured vibration frequency of the measured vibration sensor; the embodiment can be used for detection maintenance and parameter calibration of the vibration sensor, belongs to a special test analysis method in the industry, and solves the problem that no special detection and calibration equipment exists in the maintenance of the vibration sensor; the device has the characteristics of small volume, high precision, simple operation, convenient use and the like, and can be used in various scenes such as fields, laboratories and the like.
Optionally, the apparatus provided in this embodiment further includes: the waveform decoder is integrated in the hardware integrated control box 13 and is used for converting the preset vibration frequency into an analog voltage; and the waveform decoder performs digital conversion on the vibration signal to obtain the vibration frequency to be measured.
In this embodiment, a signal input interface is separately designed on the waveform decoder, and the input interface is connected with the output end of an external measurement wire, so that the vibration signal collected by the vibration sensor to be measured is collected and digitally converted, and can be separately transmitted to an upper computer for waveform display, so as to determine the performance of the vibration sensor to be measured and the capability of collecting data.
Optionally, the oscillator 11 comprises a micromechanical spring system and a frequency motor;
a frequency motor for generating vibration according to driving of the analog voltage;
the micromechanical spring system is arranged at the upper end of the frequency motor and used for vibrating according to the driving of the frequency motor to realize reciprocating periodic vibration.
The oscillator in this embodiment is composed of a micromechanical spring system, a frequency motor, and a waveform decoder. Frequency waveform data is input through a hardware circuit interface; the load bearing range of the micromechanical spring system is 5kg, so that the weight of the measured vibration sensor in the embodiment cannot be larger than 5 kg; the waveform decoder can recognize the digital signal and feed back vibration information to correct the vibration frequency.
Fig. 2 is a schematic structural diagram of a vibration sensor detection device according to another exemplary embodiment of the present disclosure. As shown in fig. 2, the apparatus provided in this embodiment further includes:
the external measurement lead 14 is used for connecting the vibration sensor to be measured with the data acquisition unit and transmitting the vibration signal of the vibration sensor to be measured to the data acquisition unit; wherein the vibration signal represents a signal obtained by measuring vibration of the vibration platform by the vibration sensor to be measured;
and the waveform decoder is also used for carrying out digital conversion on the vibration signal to obtain the vibration frequency to be measured.
Optionally, the signal input end of the external measurement lead comprises a positive electrode and a negative electrode, and the positive electrode and the negative electrode are connected with the signal output end of a measured vibration sensor (not shown in the figure), so as to transmit the measured vibration frequency acquired by the measured vibration sensor to the waveform decoder, wherein the waveform decoder is packaged in the hardware circuit integrated control box; the waveform decoder has two functions: 1, processing a measured vibration signal (waveform), matching with upper computer software, and displaying the frequency and amplitude of a correct test calibration waveform; 2, the waveform decoder can superpose the data waveforms of the waveform generated in the frequency waveform generator, the vibration waveform of the vibration platform and the waveform acquired by the vibration of the vibration sensor to be detected, and outputs the superposed data waveforms to an upper computer for displaying; and a signal input interface can be independently designed on the waveform decoder, so that the vibration signals collected by the vibration sensor to be detected are collected and digitally converted, and can be independently transmitted to an upper computer for displaying, so that the performance of the vibration sensor to be detected and the capability of data collection can be determined.
Optionally, the apparatus provided in this embodiment may further include:
and the frequency waveform generator is integrated in the hardware integrated control box and is used for generating a preset vibration frequency.
Optionally, determining a measured vibration waveform based on the measured vibration frequency; restoring a preset vibration waveform corresponding to the frequency waveform generator based on a preset vibration frequency; the performance of the measured vibration sensor is determined based on a difference between the measured vibration waveform and a preset vibration waveform.
In this embodiment, the performance analysis module may be integrated in the upper computer 18, and the performance of the measured vibration sensor is determined by displaying and comparing the measured vibration waveform and the preset vibration waveform in the upper computer 18.
Optionally, the apparatus provided in this embodiment may further include:
and a rotary bracket 15 for placing the vibration generator and adjusting the placing direction of the vibration generator and the vibration platform according to the type of the vibration sensor to be measured.
Optionally, the vibration platform 12 includes a front side and a back side, the vibration sensor to be measured is placed on the front side of the vibration platform, and the back side of the vibration platform is provided with the distance meter 16;
the distance measuring instrument 16 is used for obtaining the distance change between the vibration generator and the vibration platform when the vibration frequency to be measured is collected; and adjusting the vibration waveform corresponding to the measured vibration frequency based on the distance change to obtain the adjusted measured vibration frequency.
Alternatively, vibration platform 12 is coupled to vibration exciter 11 via a drive link 17.
As shown in fig. 3, which is a partial left side view of the vibration sensor detecting device in a stationary vertical state of the rotating bracket 15; as shown in fig. 4, which is a partial left side view of the vibration sensor detecting device when the rotating frame 15 is at rest in a horizontal state.
The vibration generator 11 is connected with the vibration platform 12 through a transmission rod 17, and the displacement sensor 16 is arranged on one side of the vibration platform facing to the vibration generator 11; in an optional example, the maximum bearing capacity of the vibration platform 12 is 5kg, the cross section of the vibration platform 12 is a circular diameter of 12cm, and the vibration platform is suitable for most fluctuation pickup instruments and integrated seismographs in the seismic exploration industry.
In this embodiment, a frequency waveform generator, a waveform decoder and a data collector are integrated in the hardware integrated control box 13, the data collector mainly transmits an instruction of an upper computer to the waveform signal generator and the waveform decoder, and then collects and transmits a preset vibration frequency, a displacement sensor signal, a waveform decoder signal and a self-collected signal of a vibration sensor to be measured to the upper computer; as shown in fig. 2, the hardware-integrated control box 13 is also wired to the oscillator 11 and the displacement sensor 16; optionally, the vibration measuring device further comprises an upper computer 18, the measured vibration frequency and the preset vibration frequency are transmitted to the upper computer through a data acquisition module, and the waveform is displayed and compared by the upper computer.
Claims (8)
1. A vibration sensor detecting device, comprising:
the vibration generator is used for controlling vibration according to the preset vibration frequency and driving the vibration sensor to be tested to vibrate;
the vibration platform is connected with the vibration generator and used for placing the vibration sensor to be measured;
the hardware integrated control box is communicated with the measured vibration sensor and is used for acquiring the measured vibration frequency of the measured vibration sensor; the hardware integrated control box is integrated with a signal acquisition device, and the signal acquisition device acquires the measured vibration frequency of the measured vibration sensor.
2. The apparatus of claim 1, further comprising:
and the waveform decoder is integrated in the hardware integrated control box and is used for converting the preset vibration frequency into an analog voltage.
3. The apparatus of claim 2, wherein the oscillator comprises a micromechanical spring system and a frequency motor;
the frequency motor is used for generating vibration according to the driving of the analog voltage;
the micromechanical spring system is arranged at the upper end of the frequency motor and used for vibrating according to the driving of the frequency motor to realize reciprocating periodic vibration.
4. The apparatus of claim 2, further comprising:
the external measurement lead is used for connecting the vibration sensor to be measured and the data acquisition unit and transmitting a vibration signal of the vibration sensor to be measured to the data acquisition unit; wherein the vibration signal represents a signal obtained by measuring vibration of the vibration platform by the vibration sensor to be measured;
the waveform decoder is further used for carrying out digital conversion on the vibration signal to obtain the measured vibration frequency.
5. The apparatus of claim 1, further comprising:
and the frequency waveform generator is used for generating the preset vibration frequency and transmitting the preset vibration frequency to the vibration generator.
6. The apparatus of any of claims 1-5, further comprising:
and the rotating bracket is used for placing the vibration generator and adjusting the placing directions of the vibration generator and the vibration platform according to the type of the vibration sensor to be measured.
7. The device according to any one of claims 1 to 5, wherein the vibration platform comprises a front surface and a back surface, the vibration sensor to be measured is placed on the front surface of the vibration platform, and the back surface of the vibration platform is provided with a distance meter;
and the distance meter is used for acquiring the distance change between the vibration generator and the vibration platform when the measured vibration frequency is acquired.
8. An apparatus according to any one of claims 1 to 5, wherein the vibration platform is connected to the vibration generator by a transmission rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122822907.4U CN217304140U (en) | 2021-11-17 | 2021-11-17 | Vibration sensor detection device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122822907.4U CN217304140U (en) | 2021-11-17 | 2021-11-17 | Vibration sensor detection device |
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| Publication Number | Publication Date |
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| CN217304140U true CN217304140U (en) | 2022-08-26 |
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| CN202122822907.4U Active CN217304140U (en) | 2021-11-17 | 2021-11-17 | Vibration sensor detection device |
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