CN216978946U - Acoustic emission detection device - Google Patents
Acoustic emission detection device Download PDFInfo
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- CN216978946U CN216978946U CN202122779118.7U CN202122779118U CN216978946U CN 216978946 U CN216978946 U CN 216978946U CN 202122779118 U CN202122779118 U CN 202122779118U CN 216978946 U CN216978946 U CN 216978946U
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- acoustic emission
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Abstract
The utility model provides an acoustic emission detection device, comprising: an acoustic emission sensor having a housing including an outer peripheral surface; the magnet is arranged on the outer peripheral surface of the shell; the cover body is arranged on the outer peripheral surface of the shell, an installation cavity is defined between the cover body and the shell, and the magnet is arranged in the installation cavity; the cover body cover is established on the shell, the magnet encircles the shell sets up, the shell includes first terminal surface and second terminal surface, first terminal surface with the second terminal surface is in relative on the thickness direction of shell, the cover body includes third terminal surface and fourth terminal surface, the third terminal surface with the fourth terminal surface is in relative on the thickness direction of shell, first terminal surface with third terminal surface parallel and level, the shell is made by magnetic conductive material. The acoustic emission detection device has the advantages of simple structure and convenience in mounting and dismounting.
Description
Technical Field
The utility model relates to the technical field of acoustic emission detecting instruments, in particular to an acoustic emission detecting device.
Background
Because of a harsh service environment, critical equipment in service is easy to generate defects such as cracks and the like in the service process, an acoustic emission detection technology can be adopted for detection in the related technology, but when an acoustic emission detection device is installed in the related technology, the acoustic emission detection device is usually fixed in a welding mode, so that the surface of a material is damaged, and the measurement effect is influenced; or the acoustic emission detection device is fixed by adopting a separately designed clamp, so that the acoustic emission detection device is inconvenient to manufacture and carry.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to solving, at least to some extent, one of the technical problems in the related art. Therefore, the embodiment of the utility model provides the acoustic emission detection device which has the advantages of simple structure and convenience in installation and disassembly.
The acoustic emission detection device of the embodiment of the utility model comprises: an acoustic emission sensor having a housing including an outer peripheral surface; the magnet is provided on the outer peripheral surface of the housing.
The acoustic emission detection device provided by the embodiment of the utility model has the advantages of simple structure and convenience in installation and disassembly.
In some embodiments, the acoustic emission detection apparatus according to the embodiments of the present invention further includes a cover disposed on an outer peripheral surface of the housing, a mounting cavity is defined between the cover and the housing, and the magnet is disposed in the mounting cavity.
In some embodiments, the cover fits over the housing and the magnet is disposed around the housing.
In some embodiments, the housing includes a first end surface and a second end surface, the first end surface and the second end surface are opposite in a thickness direction of the housing, the cover includes a third end surface and a fourth end surface, the third end surface and the fourth end surface are opposite in the thickness direction of the housing, the first end surface and the third end surface are flush, and the housing is made of a magnetically conductive material.
In some embodiments, the third end face of the cover has a through hole communicating with the mounting cavity, a portion of the magnet is located in the through hole, and the portion of the magnet has a mounting face flush with the first end face.
In some embodiments, the acoustic emission sensor further includes a sealing cover, a piezoelectric element and a lead connected to the piezoelectric element, the housing has a receiving cavity, the piezoelectric element is located in the receiving cavity, the second end face of the housing is provided with a mounting opening, the sealing cover is arranged in the mounting opening so as to seal the mounting opening, and the sealing cover has a first through hole through which the lead passes.
In some embodiments, the sealing cover is provided with a boss at an outer side thereof, and the boss is provided with a second through hole communicating with the first through hole.
In some embodiments, the acoustic emission sensor further includes a handle, one end of the boss in a length direction is connected to the sealing cover, the handle is connected to the other end of the boss in the length direction, and the handle has a third through hole communicating with the second through hole.
In some embodiments, the handle is a tube, and the lumen of the tube forms the third perforation.
In some embodiments, the magnet is a high temperature resistant magnet.
Drawings
FIG. 1 is a schematic cross-sectional view of an acoustic emission testing device of the present invention.
Reference numerals:
a housing 10; a first end face 101; a second end face 102; a mounting opening 103;
a magnet 20; a mounting surface 201;
a cover body 30; a third end surface 301; a through hole 3011; a fourth end face 302;
a housing chamber 40;
a sealing cover 50; a first through hole 501;
a boss 60; a second perforation 601;
a handle 70; third through hole 701
A piezoelectric element 80; a lead wire 81;
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the utility model and are not to be construed as limiting the utility model.
As shown in fig. 1, an acoustic emission detection apparatus according to an embodiment of the present invention includes: an acoustic emission sensor having a housing 10, the housing 10 including an outer peripheral surface, and a magnet 20; the magnet 20 is provided on the outer circumferential surface of the housing 10.
Specifically, the acoustic emission sensor is disposed inside the housing 10, and the magnet 20 is disposed on the outer circumferential surface of the housing 10, so that the housing 10 of the acoustic emission sensor can be directly adsorbed on the surface of other magnetic materials by the magnet 20, and thus the adsorbed device can be detected using the acoustic emission sensor.
Therefore, the acoustic emission detection device provided by the embodiment of the utility model has the advantages of simple structure and convenience in installation and disassembly.
In some embodiments, as shown in fig. 1, the acoustic emission detection apparatus according to the embodiment of the present invention further includes a cover 30, the cover 30 is disposed on an outer circumferential surface of the housing 10, a mounting cavity is defined between the cover 30 and the housing 10, and the magnet 20 is disposed in the mounting cavity.
It will be appreciated that the magnet 20 can fit within the mounting cavity such that the magnet 20 is stably disposed within the mounting cavity, and the cover 30 can provide protection for the magnet 20 from external elements, thereby increasing the stability of the acoustic emission testing device of the present invention.
In some embodiments, as shown in fig. 1, cover 30 fits over housing 10 and magnet 20 is disposed around housing 10.
It will be appreciated that the outer peripheral profile of the cross-section of the housing 10 is circular or square. Correspondingly, the magnet 20 may be circular or square, the mounting cavity defined between the cover 30 and the housing 10 is circular or square, and the magnet 20 is sleeved on the housing 10. Of course, the magnet 20 may be plural, and the plural magnets 20 are provided at intervals along the outer peripheral surface of the housing 10.
The cover 30 and the housing 10 may be fixedly connected by welding or may be connected by other connection methods, so as to facilitate the whole acoustic emission detection apparatus according to the embodiment of the present invention to be mounted on the detected component.
In some embodiments, as shown in fig. 1, the outer shell 10 includes a first end surface 101 and a second end surface 102, the first end surface 101 and the second end surface 102 are opposite in a thickness direction (e.g., up and down direction in fig. 1) of the outer shell 10, the cover 30 includes a third end surface 301 and a fourth end surface 302, the third end surface 301 and the fourth end surface 302 are opposite in the thickness direction of the outer shell 10, the first end surface 101 and the third end surface 301 are flush, and the outer shell 10 is made of a magnetic conductive material.
Specifically, the first end face 101 is a lower end face of the housing 10, the second end face 102 is an upper end face of the housing 10, the third end face 301 is a lower end face of the cover 30, and the fourth end face 302 is an upper end face of the cover 30.
It can be understood that the acoustic emission detection device according to the embodiment of the present invention can detect a device made of a ferromagnetic material, the housing 10 is directly placed on the surface of a detected component, the magnet 20 can be directly adsorbed on the surface of the ferromagnetic material to detect the device, and the housing 10 is made of a magnetic conductive material, that is, the housing 10 is also magnetic after contacting the magnet 20, so that the magnetism at the bottom of the acoustic emission detection device can be improved, and the adsorption capacity of the acoustic emission detection device according to the embodiment of the present invention on the detected component can be further improved.
Alternatively, the profiles of the first end surface 101 and the third end surface 301 can be set to be matched with the profile of the detected device according to different devices, so as to realize the detection function of different devices, for example, when the detected device is tubular, the first end surface 101 and the second end surface 102 can be made into cambered surfaces matched with the tubular device.
In some embodiments, as shown in fig. 1, the third end surface 301 of the cover 30 has a through hole 3011 communicating with the mounting cavity, a portion of the magnet 20 is located in the through hole 3011, and a portion of the magnet 20 has a mounting surface 201 flush with the first end surface 101.
It can be understood that the lower end face of the magnet 20 is the mounting face 201, and the mounting face 201 is in contact with the outside and flush with the first end face 101, that is, during detection, the mounting face 201 of the magnet 20 can be in direct contact with the detected equipment, so that the adsorption capacity of the emission detection device of the utility model is further improved.
In some embodiments, as shown in fig. 1, the acoustic emission sensor according to the embodiment of the present invention further includes a sealing cover 50, a piezoelectric element 80, and a lead 81 connected to the piezoelectric element 80, the housing 10 has a receiving cavity 40, the piezoelectric element 80 is located in the receiving cavity 40, the second end surface 102 of the housing 10 is provided with a mounting opening 103, the sealing cover 50 is disposed in the mounting opening 103 so as to close the mounting opening 103, and the sealing cover 50 has a first through hole 501 for the lead 81 to pass through.
It will be appreciated that the piezoelectric element 80 is disposed within the receiving cavity 40 and fastened via fasteners to improve the stability of the acoustic emission detection device of embodiments of the present invention. The sealing cover 50 and the housing 10 can be fixed by welding or can be connected by other connection means. The lead wire 81 connected to the piezoelectric element 80 can pass out from the first through hole 501 to the outside.
Further, the outer side of the sealing cover 50 is provided with a boss 60, and the boss 60 is provided with a second through hole 601 communicating with the first through hole 501.
It is understood that the lead wire 81 connected to the piezoelectric element 80 can pass through the first through hole 501 and the second through hole 601 to be externally connected to the data acquisition and processing device. That is, the piezoelectric element 80 transmits a signal to the data acquisition processing device, so that the service state of the detected component can be detected.
In some embodiments, the acoustic emission sensor according to the embodiment of the present invention further includes a handle 70, one end of the boss 60 in a length direction (e.g., up and down direction in fig. 1) is connected to the sealing cover 50, the handle 70 is connected to the other end of the boss 60 in the length direction, and the handle 70 has a third through hole 701 communicating with the second through hole 601.
Specifically, as shown in fig. 1, the lower end of the boss 60 is connected to the sealing cap 50, the upper end of the boss 60 is connected to one end of the handle 70, and the second through hole 601 communicates the first through hole 501 and the third through hole 701, that is, the lead wire 81 connected to the piezoelectric element 80 can be passed out to the outside through the first through hole 501, the second through hole 601 and the third through hole 701.
Further, as shown in fig. 1, the handle 70 is a circular tube, and a third through hole 701 is formed in a lumen of the circular tube.
It will be appreciated that the length of the handle 70 may be adjusted accordingly to the actual test conditions to enhance the applicability of the emission test apparatus of the present invention.
Optionally, the magnet 20 is a high temperature resistant magnet.
It can be understood that the material of the magnet 20 can be changed according to the service environment of the device under test, so that the emission detection device of the present invention can be used in a harsher environment, and the applicability of the emission detection device of the present invention is further improved.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the utility model.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "above," and "over" a second feature may be directly on or obliquely above the second feature, or simply mean that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the present disclosure, the terms "one embodiment," "some embodiments," "example," "specific example," or "some examples" and the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present disclosure. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (7)
1. An acoustic emission testing device, comprising:
an acoustic emission sensor having a housing including an outer peripheral surface;
a magnet provided on the outer peripheral surface of the housing;
the cover body is arranged on the outer peripheral surface of the shell, an installation cavity is defined between the cover body and the shell, and the magnet is arranged in the installation cavity;
the cover body cover is established on the shell, the magnet encircles the shell sets up, the shell includes first terminal surface and second terminal surface, first terminal surface with the second terminal surface is in relative on the thickness direction of shell, the cover body includes third terminal surface and fourth terminal surface, the third terminal surface with the fourth terminal surface is in relative on the thickness direction of shell, first terminal surface with third terminal surface parallel and level, the shell is made by magnetic conductive material.
2. The acoustic emission testing device of claim 1, wherein said third end of said cover has a through hole communicating with said mounting cavity, a portion of said magnet is positioned within said through hole, and said portion of said magnet has a mounting surface flush with said first end surface.
3. The acoustic emission testing device of claim 1, wherein the acoustic emission sensor further comprises a sealing cover, a piezoelectric element, and a wire connected to the piezoelectric element, the housing has a receiving cavity, the piezoelectric element is located in the receiving cavity, the second end surface of the housing is provided with a mounting opening, the sealing cover is disposed in the mounting opening so as to close the mounting opening, and the sealing cover has a first through hole for the wire to pass through.
4. The acoustic emission testing device of claim 3, wherein the sealing cover is provided with a boss on an outer side thereof, the boss being provided with a second through-hole communicating with the first through-hole.
5. The acoustic emission testing device of claim 4, wherein the acoustic emission sensor further comprises a handle, one lengthwise end of the boss is connected to the sealing cap, the handle is connected to the other lengthwise end of the boss, and the handle has a third through hole that communicates with the second through hole.
6. The acoustic emission testing device of claim 5, wherein said handle is a round tube, the lumen of said round tube forming said third perforation.
7. The acoustic emission detection device of any of claims 1-6, wherein the magnet is a high temperature resistant magnet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122779118.7U CN216978946U (en) | 2021-11-12 | 2021-11-12 | Acoustic emission detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122779118.7U CN216978946U (en) | 2021-11-12 | 2021-11-12 | Acoustic emission detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216978946U true CN216978946U (en) | 2022-07-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122779118.7U Active CN216978946U (en) | 2021-11-12 | 2021-11-12 | Acoustic emission detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216978946U (en) |
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2021
- 2021-11-12 CN CN202122779118.7U patent/CN216978946U/en active Active
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