CN210834175U - Portable detection device - Google Patents
Portable detection device Download PDFInfo
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- CN210834175U CN210834175U CN201922030971.1U CN201922030971U CN210834175U CN 210834175 U CN210834175 U CN 210834175U CN 201922030971 U CN201922030971 U CN 201922030971U CN 210834175 U CN210834175 U CN 210834175U
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- signal
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- acoustic emission
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Abstract
An embodiment of the utility model provides a portable detection device, the device includes: the sensor is fixed on the surface of a detection object and used for acquiring a vibration signal and an acoustic emission signal sent by the detection object; the signal acquisition card is used for acquiring the vibration signal and the acoustic emission signal acquired by the sensor; the analytical equipment, with signal acquisition card communication connection for acquire signal acquisition card is gathered vibration signal with acoustic emission signal, and according to vibration signal with acoustic emission signal carries out data analysis, and provides the failure diagnosis result, has avoided carrying out among the prior art when for example bearing detection, detects through special large-scale bearing check out test set and rotating equipment, and the area occupied of existence is big and the problem that the cost is expensive to under the condition that reduces equipment quantity, can also avoid the problem of the low frequency vibration interference of peripheral equipment, improved and detected the accuracy.
Description
Technical Field
The utility model relates to an equipment detection area specifically relates to a portable detection device.
Background
The bearing detection device of the general railway department mostly utilizes a special bearing detection rotating device, collects bearing signals through an acceleration sensor, and detects, analyzes and judges the bearing through the frequency spectrum analysis principle. For special bearing detection mechanical rotating equipment, the occupied area is large, the manufacturing cost is high, and mechanical noise and vibration of the mechanical noise are generated.
In addition, the vibration acceleration detection technology is very susceptible to low-frequency vibration interference of the device itself or surrounding devices, and thus the detection accuracy is affected.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides a portable detection device, the device's sensor can be on the surface of snap-on at the detection object, vibration signal and acoustic emission signal that collection and analysis detection object sent, and then provide corresponding failure diagnosis result, avoided carrying out among the prior art when for example bearing detection, detect through special large-scale bearing check out test set and rotating equipment, the area occupied is big and the expensive problem of cost, and under the condition that reduces equipment quantity, can also avoid the problem of peripheral equipment's low-frequency vibration interference, the accuracy of detection has been improved.
In order to achieve the above object, an embodiment of the present invention provides a portable detection device, including:
the sensor is fixed on the surface of a detection object and used for acquiring a vibration signal and an acoustic emission signal sent by the detection object;
the signal acquisition card is used for acquiring the vibration signal and the acoustic emission signal acquired by the sensor;
and the analysis equipment is in communication connection with the signal acquisition card and is used for acquiring the vibration signals and the acoustic emission signals acquired by the signal acquisition card, performing data analysis according to the vibration signals and the acoustic emission signals and providing a fault diagnosis result.
Optionally, the sensor is a sound vibration sensor.
Optionally, the acoustic vibration sensor includes:
a housing;
the following elements disposed inside the housing:
an acoustic emission probe;
a vibration sensor; and
and the PCB is respectively connected with the acoustic emission probe and the vibration sensor.
Optionally, the apparatus further comprises:
and one surface of the magnet is fixed on the bottom surface of the shell so as to make the acoustic vibration sensor magnetically adsorbed on the surface of the detection object.
Optionally, the apparatus further comprises:
and a diaphragm fixed to the other surface of the magnet, wherein the diaphragm is sandwiched between the magnet and the detection object when the acoustic vibration sensor is fixed to the surface of the detection object.
Optionally, the acoustic vibration sensor further includes:
and the Nier-Consameman bayonet is fixed on one side of the shell and is connected with the PCB.
Optionally, the sensor is further configured to perform amplification and conditioning processing according to a set requirement after the vibration signal and the acoustic emission signal are acquired.
Optionally, the sensor is configured to collect the vibration signal and the acoustic emission signal during an acceleration phase of the detection object.
According to the technical scheme, the sensor of the detection device can be directly fixed on the surface of the detection object, the sensor collects the vibration signal and the acoustic emission signal sent by the detection object, the signal acquisition card respectively collects the vibration signal and the acoustic emission signal, the analysis equipment can perform data analysis according to the collected vibration signal and the acoustic emission signal and provide a fault diagnosis result, the problems that in the prior art, when a bearing is detected, the bearing is detected through special large-scale bearing detection equipment and rotating equipment, the occupied area is large and the cost is high are solved, the problem of low-frequency vibration interference of peripheral equipment can be avoided under the condition of reducing the number of the equipment, and the detection accuracy is improved.
Other features and advantages of embodiments of the present invention will be described in detail in the detailed description which follows.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the embodiments of the invention, but do not constitute a limitation of the embodiments of the invention. In the drawings:
fig. 1 is a schematic structural diagram of a portable detection device provided in an embodiment of the present invention;
fig. 2 is a schematic structural diagram of an acoustic vibration sensor according to an embodiment of the present invention;
fig. 3 is a schematic view of a sensor fixing during bearing detection according to an embodiment of the present invention;
fig. 4 is a schematic view of an information input interface of a detection object provided by an embodiment of the present invention.
Description of the reference numerals
10 sensor 20 signal acquisition card
30 analytical instrument 101 housing
102 acoustic emission probe 103 vibration sensor
104 PCB 105 magnet
106 diaphragm 107 BNC connector
40 bearing outer ring 50 protective cover
Detailed Description
The following describes in detail embodiments of the present invention with reference to the accompanying drawings. It is to be understood that the description herein is only intended to illustrate and explain embodiments of the present invention, and is not intended to limit embodiments of the present invention.
The utility model provides a portable detection device, the device includes
The sensor is fixed on the surface of a detection object and used for acquiring a vibration signal and an acoustic emission signal sent by the detection object;
the signal acquisition card is used for acquiring the vibration signal and the acoustic emission signal acquired by the sensor;
and the analysis equipment is in communication connection with the signal acquisition card and is used for acquiring the vibration signals and the acoustic emission signals acquired by the signal acquisition card, performing data analysis according to the vibration signals and the acoustic emission signals and providing a fault diagnosis result.
Fig. 1 shows the structural schematic diagram of the portable detection device provided by the embodiment of the present invention, as shown in fig. 1, the device may include a sensor 10, a signal acquisition card 20 and an analysis device 30, the sensor 10 of the detection device may be directly fixed on the surface of the detection object, the sensor 10 acquires the vibration signal and the acoustic emission signal sent by the detection object, the signal acquisition card 20 acquires the vibration signal and the acoustic emission signal respectively, and then the analysis device 30 may perform data analysis according to the acquired vibration signal and the acoustic emission signal, and provide a fault diagnosis result.
The sensor 10 can be a sound vibration sensor, which combines vibration and sound emission technologies to collect signals, and can better reduce the influence of vibration interference of low frequency bands on detection results. Specifically, fig. 2 shows the structural schematic diagram of the acoustic vibration sensor provided by the embodiment of the present invention, as shown in fig. 2, the acoustic vibration sensor may include a housing 101, an acoustic emission probe 102, a vibration sensor 103, a PCB 104, and a neille-cornerman Bayonet (BNC (Bayonet Neill-Concelman) connector) 107, the detection device further includes a magnet 105 and a diaphragm 106, wherein the acoustic emission probe 102, the vibration sensor 103, and the PCB are disposed inside the housing 101, and the PCB 104 is connected to the acoustic emission probe 102 and the vibration sensor 103 respectively. In order to secure the acoustic vibration sensor on the surface of the object to be detected, for example, the surface of the object to be detected or the housing is made of magnetic metal (alloy), a magnet 105 may be provided, and one surface of the magnet 105 is fixed on the bottom surface of the housing 101 of the acoustic vibration sensor, so that the acoustic vibration sensor is attached to the surface of the object to be detected. In the case of a non-magnetic metal (alloy) material on the surface of the detection object, the detection object may be fixed by other methods, which are not limited herein, and the present application is not limited to the magnet attraction method.
As shown in fig. 2, the diaphragm 106 is fixed to the other side of the magnet 105, and when the acoustic vibration sensor is attached to the surface of the test object, the diaphragm is sandwiched between the magnet 105 and the surface of the test object. The BNC connector 107 is fixed to one side of the housing 101 (e.g., mounted on the top of the housing 101), and the BNC connector 107 is further connected to the PCB.
The utility model provides a portable detection device can be used to any one of following operation: tunnel monitoring, sound barrier monitoring, mountain landslide monitoring, rotating machinery monitoring carry out the detailed description to the wheel pair bearing monitoring through following embodiment, nevertheless the utility model discloses a protection scope does not restrict with this.
Examples
Fig. 3 shows the fixed schematic diagram of the sensor when the bearing provided by the embodiment of the present invention is detected, as shown in fig. 3, in the advanced repair link of the vehicle wheel set, the characteristic that the advanced repair equipment of the wheel set has a rotation function is utilized, no special rotation equipment is added, the gap position between the protective cover 50 of the bearing end of the advanced repair equipment and the wheel set bearing is utilized, the sound vibration sensor is fixed at the position of the outer ring 40 of the bearing through magnetic adsorption, the sound emission probe 102 and the vibration sensor 103 in the sound vibration sensor respectively detect the sound emission signal and the vibration signal sent when the wheel set rotates in the advanced repair link, wherein, what needs to be explained, in the acceleration process of starting the advanced repair equipment, such as the sound emission signal of the bearing is collected in the process of 0-80r/min, and the waveform storage; under the condition that the rotating speed of the advanced repair equipment exceeds 80r/min, acquiring and storing vibration signals, wherein the total signal acquisition time is as follows: and 90s-180s after the advanced repair equipment is started. And after the wheel set finishes advanced repair, taking off the sound vibration sensor, and amplifying and conditioning the collected vibration signals and the collected sound emission signals according to set requirements. And is connected with the BNC connector 107 of the acoustic vibration sensor through the signal acquisition card 20, and acquires the acoustic emission signal and the vibration signal which are amplified and conditioned and transmits the acoustic emission signal and the vibration signal to the analysis equipment 30. The analysis device 3 may be an intelligent terminal such as a computer or a handheld computer. When the acoustic emission signal and the vibration signal are entered into the analysis device 30, other conventional information of the corresponding wheel set (detection object) can also be entered together for the staff to observe. Wherein, the conventional information of the wheel pair is as shown in fig. 4, which is schematically illustrated by the detection object information input interface provided by the embodiment of the utility model. After acquiring the acoustic emission signal and the vibration signal of the wheel set bearing, the analysis device 30 analyzes and discriminates the acoustic emission signal and the vibration signal according to a pre-stored database file and a special algorithm, and provides a fault diagnosis result. In case of an out-of-standard situation, the analysis device 30 can perform the actions of classifying and controlling the alarm in time. The motor train unit bearing is subjected to dynamic signal acquisition, and the health state of the bearing is analyzed and judged, so that the adverse condition and early fault of the bearing can be found in time, and the occurrence of more serious bearing damage or shaft cutting accidents is prevented.
As will be appreciated by one skilled in the art, embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
In a typical configuration, a computing device includes one or more processors (CPUs), input/output interfaces, network interfaces, and memory.
The memory may include forms of volatile memory in a computer readable medium, Random Access Memory (RAM) and/or non-volatile memory, such as Read Only Memory (ROM) or flash memory (flash RAM). The memory is an example of a computer-readable medium.
Computer-readable media, including both non-transitory and non-transitory, removable and non-removable media, may implement information storage by any method or technology. The information may be computer readable instructions, data structures, modules of a program, or other data. Examples of computer storage media include, but are not limited to, phase change memory (PRAM), Static Random Access Memory (SRAM), Dynamic Random Access Memory (DRAM), other types of Random Access Memory (RAM), Read Only Memory (ROM), Electrically Erasable Programmable Read Only Memory (EEPROM), flash memory or other memory technology, compact disc read only memory (CD-ROM), Digital Versatile Discs (DVD) or other optical storage, magnetic cassettes, magnetic tape magnetic disk storage or other magnetic storage devices, or any other non-transmission medium that can be used to store information that can be accessed by a computing device. As defined herein, a computer readable medium does not include a transitory computer readable medium such as a modulated data signal and a carrier wave.
It should also be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in the process, method, article, or apparatus that comprises the element.
The above are merely examples of the present application and are not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.
Claims (8)
1. A portable detection device, the device comprising:
the sensor is fixed on the surface of a detection object and used for acquiring a vibration signal and an acoustic emission signal sent by the detection object;
the signal acquisition card is used for acquiring the vibration signal and the acoustic emission signal acquired by the sensor;
and the analysis equipment is in communication connection with the signal acquisition card and is used for acquiring the vibration signals and the acoustic emission signals acquired by the signal acquisition card, performing data analysis according to the vibration signals and the acoustic emission signals and providing a fault diagnosis result.
2. The device of claim 1, wherein the sensor is an acoustic vibration sensor.
3. The apparatus of claim 2, wherein the acoustic vibration sensor comprises:
a housing;
the following elements disposed inside the housing:
an acoustic emission probe;
a vibration sensor; and
and the PCB is respectively connected with the acoustic emission probe and the vibration sensor.
4. The apparatus of claim 3, further comprising:
and one surface of the magnet is fixed on the bottom surface of the shell so as to make the acoustic vibration sensor magnetically adsorbed on the surface of the detection object.
5. The apparatus of claim 4, further comprising:
and a diaphragm fixed to the other surface of the magnet, wherein the diaphragm is sandwiched between the magnet and the detection object when the acoustic vibration sensor is fixed to the surface of the detection object.
6. The apparatus of claim 3, wherein the acoustic vibration sensor further comprises:
and the Nier-Consameman bayonet is fixed on one side of the shell and is connected with the PCB.
7. The device of claim 1, wherein the sensor is further configured to amplify and condition the vibration signal and the acoustic emission signal according to a predetermined requirement after the vibration signal and the acoustic emission signal are collected.
8. The device of claim 1, wherein the sensor is configured to acquire the vibration signal and the acoustic emission signal during an acceleration phase of the test object.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922030971.1U CN210834175U (en) | 2019-11-20 | 2019-11-20 | Portable detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922030971.1U CN210834175U (en) | 2019-11-20 | 2019-11-20 | Portable detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210834175U true CN210834175U (en) | 2020-06-23 |
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ID=71252805
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922030971.1U Expired - Fee Related CN210834175U (en) | 2019-11-20 | 2019-11-20 | Portable detection device |
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| Country | Link |
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| CN (1) | CN210834175U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112729518A (en) * | 2020-12-24 | 2021-04-30 | 深圳中科捷飞科技有限公司 | Vibration monitoring method, device and system |
| CN114034984A (en) * | 2021-11-18 | 2022-02-11 | 贵州电网有限责任公司 | Portable power equipment on-line monitoring device |
-
2019
- 2019-11-20 CN CN201922030971.1U patent/CN210834175U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112729518A (en) * | 2020-12-24 | 2021-04-30 | 深圳中科捷飞科技有限公司 | Vibration monitoring method, device and system |
| CN114034984A (en) * | 2021-11-18 | 2022-02-11 | 贵州电网有限责任公司 | Portable power equipment on-line monitoring device |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200623 Termination date: 20201120 |
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| CF01 | Termination of patent right due to non-payment of annual fee |