CN116256055A - Vibration sensor - Google Patents
Vibration sensor Download PDFInfo
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- CN116256055A CN116256055A CN202310274786.5A CN202310274786A CN116256055A CN 116256055 A CN116256055 A CN 116256055A CN 202310274786 A CN202310274786 A CN 202310274786A CN 116256055 A CN116256055 A CN 116256055A
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- magnetic substance
- vibration
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- external device
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H11/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by detecting changes in electric or magnetic properties
- G01H11/02—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by detecting changes in electric or magnetic properties by magnetic means, e.g. reluctance
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- General Physics & Mathematics (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Abstract
The present invention provides a vibration sensor, comprising: a first magnetic substance for generating a magnetic field; a second magnetic substance for generating a magnetic field; the U-shaped coil is used for cutting a magnetic field generated by the first magnetic substance and the second magnetic substance; the rotary hollow tube is used for generating rotation after receiving the vibration of the shell; the vibration probe is used for detecting the vibration of the shell and driving the rotary hollow tube to rotate; the first annular column joint is used for conducting the U-shaped coil with an external device; the second annular column joint is used for conducting the U-shaped coil with an external device; an external device for displaying the electric signal converted from the vibration signal; wherein the first magnetic substance and the second magnetic substance have opposite magnetism. The invention avoids the influence of environmental factors such as air and the like, and has stronger robustness.
Description
Technical Field
The embodiment of the invention relates to the technical field of sensors, in particular to a vibration sensor.
Background
In hearing-impaired recovery technical field, vibration sensor can be regarded as the vibration induction device of bone conduction audiphone for detect the vibration signal of percutaneous transmission when people speak, change the vibration signal that people's skin transmitted into the electrical signal, thereby reach the effect of speaking. The current vibration sensor mainly adopts the volume micro-variation principle of an air cavity to sense vibration signals, and in practical application, the vibration sensor can be influenced by airflow flow or air density, so that false alarm on vibration is generated, and the sound transmission effect of the vibration sensor is influenced. Therefore, developing a vibration sensor that can effectively overcome the above-mentioned drawbacks in the related art is a technical problem to be solved in the industry.
Disclosure of Invention
In view of the foregoing problems in the prior art, embodiments of the present invention provide a vibration sensor.
In a first aspect, embodiments of the present invention provide a vibration sensor, comprising: a first magnetic substance disposed on a first side of the housing for generating a magnetic field; a second magnetic substance disposed on a second side of the housing, opposite to the first magnetic substance, for generating a magnetic field; the U-shaped coil is arranged on the rotary hollow tube and is used for cutting a magnetic field generated by the first magnetic substance and the second magnetic substance; a rotary hollow tube mounted on a third side of the housing for rotation upon receiving the vibration of the housing; the vibration probe is arranged on the fourth side of the shell, is used for detecting the vibration of the shell and driving the rotary hollow tube to rotate; the first annular column joint is fixed on the third side of the shell, is connected with an external device, is in contact connection with the first brush head of the U-shaped coil and is used for conducting the U-shaped coil with the external device; the second ring column joint is fixed on the third side of the shell, is connected with an external device, is in contact connection with a second brush head of the U-shaped coil and is used for conducting the U-shaped coil with the external device; an external device for displaying the electric signal converted from the vibration signal; wherein the first magnetic substance and the second magnetic substance have opposite magnetism.
Based on the above-mentioned device embodiment, in the vibration sensor provided in the embodiment of the present invention, one end of the rotating hollow tube is screwed on the third side of the housing, and a third magnetic substance and a fourth magnetic substance are fixedly disposed inside the tube wall at the other end in a mirror symmetry mode, where the magnetism of the third magnetic substance and the fourth magnetic substance are the same.
Based on the above-mentioned device embodiment, in the vibration sensor provided in the embodiment of the present invention, one end of the vibration probe is fixed on the fourth side of the housing, the other end extends into the rotating hollow tube, and a magnetic rod is fixedly mounted at the edge of the other end, and the magnetic rod is located between the third magnetic substance and the fourth magnetic substance.
Based on the above-mentioned device embodiment, the vibration sensor provided in the embodiment of the present invention has the magnetic properties of the magnetic rod that are the same as the magnetic properties of the third magnetic substance and the fourth magnetic substance; when the magnetic rod is not subjected to external force, the magnetic rod is relatively static to the third magnetic substance and the fourth magnetic substance.
Based on the above-mentioned device embodiment, in the vibration sensor provided in the embodiment of the present invention, a first wiring hole is formed on an annular bottom surface connected to the third side of the housing, and a wire of an external device is inserted into the first wiring hole and connected to the first annular column connector.
Based on the above-mentioned device embodiment, in the vibration sensor provided in the embodiment of the present invention, a second wiring hole is formed on an annular bottom surface connected to the third side of the housing, and a wire of an external device is inserted into the second wiring hole and connected to the second annular column connector.
Based on the foregoing description of the embodiment of the device, the vibration sensor provided in the embodiment of the present invention is characterized in that either side of the housing is provided with an adhesive material, and the adhesive material is used for fixing the vibration sensor in a preset position.
Based on the content of the embodiment of the device, in the vibration sensor provided by the embodiment of the invention, one end of the vibration probe is fixed on the fourth side of the housing, the other end of the vibration probe extends into the rotating hollow tube, and the other end of the vibration probe is positioned between the third magnetic substance and the fourth magnetic substance; the other end of the vibration probe has magnetism, and the magnetism is the same as that of the third magnetic substance and the fourth magnetic substance.
Based on the content of the embodiment of the device, the vibration sensor provided in the embodiment of the invention further includes: and a protective cover mounted outside the third side of the housing, covering the external device, for protecting the external device.
Based on the content of the embodiment of the device, the external device is an LED lamp or a display screen.
According to the vibration sensor provided by the embodiment of the invention, the vibration wave is conducted to the rotary hollow tube through the vibration probe, the rotary hollow tube slightly rotates under the disturbance of the vibration wave, the U-shaped coil is further driven to rotate to generate current, and finally the current is displayed through the external device, so that the vibration signal transmitted by human skin can be detected, the influence of environmental factors such as air is avoided, and the vibration sensor has stronger robustness.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, a brief description will be given below of the drawings required for the embodiments or the prior art descriptions, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings may be obtained according to these drawings without any inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a vibration sensor according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of the internal structure of a rotary hollow tube and a vibrating probe according to an embodiment of the present invention;
fig. 3 is a schematic structural view of a first annular column joint according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of a viscous material according to an embodiment of the present invention;
fig. 5 is a schematic diagram of an internal structure of another rotary hollow tube and a vibrating probe according to an embodiment of the present invention.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention. In addition, the technical features of each embodiment or the single embodiment provided by the invention can be combined with each other at will to form a feasible technical scheme, and the combination is not limited by the sequence of steps and/or the structural composition mode, but is necessarily based on the fact that a person of ordinary skill in the art can realize the combination, and when the technical scheme is contradictory or can not realize, the combination of the technical scheme is not considered to exist and is not within the protection scope of the invention claimed.
An embodiment of the present invention provides a vibration sensor, referring to fig. 1, the apparatus includes: a first magnetic substance 101 disposed on a first side of the housing 104 for generating a magnetic field; a second magnetic substance 102 disposed on a second side of the housing 104, opposite to the first magnetic substance 101, for generating a magnetic field; a U-shaped coil 103 mounted on the rotating hollow tube 105 for cutting the magnetic fields generated by the first and second magnetic substances 101 and 102; a rotary hollow tube 105 installed at a third side of the housing 104 for generating rotation upon receiving vibration of the housing 104; a vibration probe 106 installed at a fourth side of the housing 104 for detecting vibration of the housing 104 and driving the rotation hollow tube 105 to rotate; a first loop-shaped post 108 fixed to a third side of the housing 104, connected to the external device 110, and connected in contact with the first brush head of the U-shaped coil 103 for conducting the U-shaped coil 103 to the external device 110; a second ring-shaped cylindrical connector 109 fixed to a third side of the housing 104, connected to the external device 110, and connected in contact with the second brush head of the U-shaped coil 103 for conducting the U-shaped coil 103 to the external device 110; an external device 110 for displaying an electric signal converted from the vibration signal; wherein the first magnetic substance 101 and the second magnetic substance 102 have opposite magnetism.
Specifically, after receiving the vibration signal, the housing 104 transmits the vibration signal to the vibration probe 106, the vibration probe 106 vibrates and touches the rotating hollow tube 105, and the rotating hollow tube 105 (made of metallic conductive material) rotates slightly after receiving a slight impact force, so as to drive the U-shaped coil 103 (made of metallic conductive material) to rotate slightly, at this time, the U-shaped coil 103 cuts a magnetic field generated by the first magnetic substance 101 (in another embodiment, a magnet) and the second magnetic substance 102 (in another embodiment, a magnet) and then forms a current signal, and the current signal flows in an annular loop formed by the U-shaped coil 103, the rotating hollow tube 105, the first annular cylindrical joint 108 (made of metallic conductive material), the second annular cylindrical joint 109 (made of metallic conductive material) and the external device 110, so as to drive the external device 110 to display the detected vibration (i.e., the converted electrical signal).
Referring to fig. 2, in the vibration sensor according to the above embodiment of the present invention, one end of the rotary hollow tube 105 is screwed on the third side of the housing, the inner portion of the tube wall at the other end is fixedly provided with a third magnetic substance 201 and a fourth magnetic substance 202 in a mirror-symmetrical mode, and the magnetism of the third magnetic substance 201 and the fourth magnetic substance 202 are the same.
Referring to fig. 2, in the vibration sensor according to the above embodiment of the present invention, one end of the vibration probe 106 is fixed on the fourth side of the housing, the other end extends into the rotating hollow tube 105, and a magnetic rod 203 is fixedly installed at the edge of the other end, and the magnetic rod 203 is located between the third magnetic substance 201 and the fourth magnetic substance 202.
Referring to fig. 2, in the vibration sensor provided in the embodiment of the present invention, the magnetic properties of the magnetic bar 203 are the same as those of the third magnetic substance 201 and the fourth magnetic substance 202; when not subjected to external force, the magnetic rod 203 is relatively stationary with the third magnetic substance 201 and the fourth magnetic substance 202.
With continued reference to fig. 2, after the housing receives the vibration signal, the housing will transmit the vibration to the vibration probe 106, and the vibration of the vibration probe 106 will drive the magnetic rod 203 thereon to deviate from the original position, because the magnetism of the magnetic rod 203 is the same as that of the third magnetic substance 201 and the fourth magnetic substance 202, no matter where the magnetic rod 203 deviates, a magnetic repulsive force will be generated with the third magnetic substance 201 or the fourth magnetic substance 202, under the action of the magnetic repulsive force, the rotating hollow tube 105 will rotate, so as to drive the U-shaped coil connected with the rotating hollow tube to rotate, and further cut the magnetic field formed by the first magnetic substance and the second magnetic substance and generate a current, which can drive the external device to perform corresponding display.
Referring to fig. 3, on the basis of the above embodiment, in the vibration sensor provided in the embodiment of the present invention, a first wiring hole 301 is formed on an annular bottom surface where the first annular pillar-shaped joint 108 is connected to the third side of the housing, and a wire of an external device is inserted into the first wiring hole 301 to be connected to the first annular pillar-shaped joint 108.
With continued reference to fig. 3, the first brush head 302 of the U-shaped coil 103 is in contact with the inner tube wall of the first annular cylindrical joint 108, and when the U-shaped coil 103 rotates, the first brush head 302 rotates with it and maintains contact with the inner tube wall of the first annular cylindrical joint 108, thus forming a complete connection path for the current.
On the basis of the above embodiment, in the vibration sensor provided in the embodiment of the present invention, a second wiring hole is formed on an annular bottom surface, where the second annular pillar-shaped joint is connected to the third side of the housing, and a wire of an external device is inserted into the second wiring hole and connected to the second annular pillar-shaped joint. It should be noted that the construction and functions of the second annular column joint are identical to those of the first annular column joint, and the related operation principle of the second annular column joint and the connection relationship between the second annular column joint and other components are described with reference to fig. 3 for the first annular column joint 108, which is not repeated here.
Referring to fig. 4, on the basis of the above embodiment, the vibration sensor provided in the embodiment of the present invention is provided with an adhesive material 401 on either side of the outer part 104, and the adhesive material 401 is used to fix the vibration sensor in a preset position by applying. Specifically, the vibration sensor is attached to the skin of the face by using the adhesive material 401, and when a person speaks, the vibration of the face is transmitted to the vibration sensor, so that the vibration signal is converted into an electric signal to be displayed outside.
Referring to fig. 5, in the vibration sensor provided in the embodiment of the present invention, one end of the vibration probe 106 is fixed on the fourth side of the housing, the other end extends into the rotating hollow tube 105, and the other end of the vibration probe 106 is located between the third magnetic substance 201 and the fourth magnetic substance 202; the other end of the vibrating probe 106 has magnetism, and the magnetism is the same as that of the third magnetic substance 201 and the fourth magnetic substance 202.
Specifically, after the vibration signal is received by the housing of the vibration sensor, the vibration wave is transmitted to the vibration probe 106, the vibration probe 106 vibrates and deviates from the original position, and since the magnetism of the other end of the vibration probe 106 is the same as that of the third magnetic substance 201 and the fourth magnetic substance 202, no matter which side the other end of the vibration probe 106 deviates from, magnetic repulsive force is generated with the third magnetic substance 201 or the fourth magnetic substance 202, under the action of the magnetic repulsive force, the rotating hollow tube 105 rotates, so that the U-shaped coil connected with the rotating hollow tube 105 is driven to rotate, and then the magnetic field formed by the first magnetic substance and the second magnetic substance is cut and current is generated, and the current can drive the external device to display correspondingly.
Referring to fig. 4, on the basis of the above embodiment, the vibration sensor provided in the embodiment of the present invention further includes: a protection, 402, mounted on the outside of the third side of the housing 104, covering the external device 110 for protecting the external device 110.
Based on the above embodiments, the vibration sensor provided in the embodiments of the present invention, the external device is an LED lamp or a display screen.
Specifically, when the current generated by vibration flows through the LED lamp or the display screen, the LED lamp is driven to light or the display screen displays corresponding data, so that a user is prompted that a vibration signal is generated. The display screen can comprise a corresponding calculation processing unit which is used for converting the current into corresponding data for display.
According to the vibration sensor provided by the invention, the vibration wave is transmitted to the rotary hollow tube through the vibration probe, the rotary hollow tube slightly rotates under the disturbance of the vibration wave, the U-shaped coil is further driven to rotate to generate current, and finally the current is displayed through the external device, so that the vibration signal transmitted by human skin can be detected, the influence of environmental factors such as air and the like is avoided, and the vibration sensor has stronger robustness.
The apparatus embodiments described above are merely illustrative, wherein the elements illustrated as separate elements may or may not be physically separate, and the elements shown as elements may or may not be physical elements, may be located in one place, or may be distributed over a plurality of network elements. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of this embodiment. Those of ordinary skill in the art will understand and implement the present invention without undue burden.
It should 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 … …" does not exclude the presence of other like elements in a process, method, article or apparatus that comprises the element.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. A vibration sensor, comprising: a first magnetic substance disposed on a first side of the housing for generating a magnetic field; a second magnetic substance disposed on a second side of the housing, opposite to the first magnetic substance, for generating a magnetic field; the U-shaped coil is arranged on the rotary hollow tube and is used for cutting a magnetic field generated by the first magnetic substance and the second magnetic substance; a rotary hollow tube mounted on a third side of the housing for rotation upon receiving the vibration of the housing; the vibration probe is arranged on the fourth side of the shell, is used for detecting the vibration of the shell and driving the rotary hollow tube to rotate; the first annular column joint is fixed on the third side of the shell, is connected with an external device, is in contact connection with the first brush head of the U-shaped coil and is used for conducting the U-shaped coil with the external device; the second ring column joint is fixed on the third side of the shell, is connected with an external device, is in contact connection with a second brush head of the U-shaped coil and is used for conducting the U-shaped coil with the external device; an external device for displaying the electric signal converted from the vibration signal; wherein the first magnetic substance and the second magnetic substance have opposite magnetism.
2. The vibration sensor according to claim 1, wherein one end of the rotary hollow tube is screwed on the third side of the housing, the inside of the tube wall of the other end is fixedly provided with a third magnetic substance and a fourth magnetic substance in a mirror symmetry mode, and the magnetism of the third magnetic substance and the fourth magnetic substance are the same.
3. The vibration sensor according to claim 2, wherein one end of the vibration probe is fixed at the fourth side of the housing, the other end extends into the interior of the rotating hollow tube, and a magnetic rod is fixedly installed at the edge of the other end, and the magnetic rod is located between the third magnetic substance and the fourth magnetic substance.
4. A vibration sensor according to claim 3, wherein the magnetic properties of the magnetic bar are the same as the magnetic properties of the third and fourth magnetic substances; when the magnetic rod is not subjected to external force, the magnetic rod is relatively static to the third magnetic substance and the fourth magnetic substance.
5. The vibration sensor of claim 4, wherein the first annular post is connected to the third side of the housing and has a first wire hole formed in an annular bottom surface thereof, and a wire of an external device is inserted into the first wire hole and connected to the first annular post.
6. The vibration sensor of claim 5, wherein the second annular post is connected to the third side of the housing and has a second wire hole formed in an annular bottom surface thereof, and a wire of an external device is inserted into the second wire hole and connected to the second annular post.
7. The vibration sensor according to claim 6, wherein either side of the housing is provided with a viscous substance for application fixing the vibration sensor in a preset position.
8. The vibration sensor according to claim 2, wherein one end of the vibration probe is fixed at a fourth side of the housing, the other end of the vibration probe extends into the interior of the rotating hollow tube, and the other end of the vibration probe is located between the third magnetic substance and the fourth magnetic substance; the other end of the vibration probe has magnetism, and the magnetism is the same as that of the third magnetic substance and the fourth magnetic substance.
9. The vibration sensor of claim 7, further comprising: and a protective cover mounted outside the third side of the housing, covering the external device, for protecting the external device.
10. The vibration sensor according to claim 9, wherein the external device is an LED lamp or a display screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310274786.5A CN116256055A (en) | 2023-03-21 | 2023-03-21 | Vibration sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310274786.5A CN116256055A (en) | 2023-03-21 | 2023-03-21 | Vibration sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116256055A true CN116256055A (en) | 2023-06-13 |
Family
ID=86684326
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310274786.5A Pending CN116256055A (en) | 2023-03-21 | 2023-03-21 | Vibration sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116256055A (en) |
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2023
- 2023-03-21 CN CN202310274786.5A patent/CN116256055A/en active Pending
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