Voiceprint acquisition device

Abstract

The utility model provides a voiceprint acquisition device. The voiceprint acquisition device comprises a first mounting part, a base, a second mounting part and an upper cover, the base comprises a bottom plate and a cavity, a voiceprint collection cavity is formed in the cavity, a plurality of sound through holes are formed in the bottom plate, and the sound through holes are communicated with the outside and the voiceprint collection cavity; and the second mounting part is used for mounting a voiceprint sensor. The bottom plate is provided with a socket, and the second installation part is provided with an abutting part which is connected with the annular inserting part in an inserting mode. A supporting plate connected to the socket in a pivoted mode is arranged below the annular plugging part, and an elastic piece is arranged on a pivoting shaft of the supporting plate and the socket. When the second mounting part is driven to move downwards to the supporting plate, the annular inserting part is extruded to fix the second mounting part, when the second mounting part is driven to move downwards continuously, the supporting plate pivots downwards, the elastic piece is extruded to store energy, and when force applied to the second mounting part is released, the elastic piece releases energy to enable the second mounting part to be separated from the base. According to the utility model, the voiceprint sensor can be conveniently mounted and dismounted, and the voiceprint sensor is prevented from being damaged.

Description

Technical Field

[0001] The utility model relates to the technical field of sound signal acquisition, and particularly relates to a voiceprint acquisition device. Background Art

[0002] In traditional predictive maintenance of air compressors, it mainly relies on pressure sensors to monitor the operating parameters of the equipment in real time, and then analyzes the monitoring results for possible air compressor fault problems. However, the monitoring by sensors can only provide limited predictive information, and the recognition of some complex fault modes is inaccurate.

[0003] In view of the above problems, in the prior art, a method of monitoring key systems inside the air compressor is adopted, and at the same time, intelligent analysis is performed on the monitored data to achieve real-time monitoring and warning of equipment faults. A highly sensitive voiceprint sensor is used to accurately collect the sound of the air compressor to ensure that the collected information signal can truly reflect the operating state of the air compressor.

[0004] Since the voiceprint sensor is a highly sensitive instrument, there are requirements for its installation parallelism and installation method. When installing and disassembling, it is ensured that the voiceprint sensor can be used normally and operate stably for a long time. In the prior art, for the installation of voiceprint sensors at different detection positions, a variety of different special connecting pieces need to be made for fixing, which is cumbersome to manufacture, has a large variety of parts, and is not conducive to cost control. Summary of the Utility Model

[0005] In view of this, the utility model aims to propose a voiceprint acquisition device that can be applicable to the installation of voiceprint sensors at different positions of the air compressor and ensure the installation stability of the voiceprint sensors.

[0006] To achieve the above object, the technical solution of the utility model is realized as follows:

[0007] A voiceprint acquisition device includes a first installation part, a base sleeved and connected to the first installation part, a second installation part detachably connected to the base, and an upper cover buckled on the base;

[0008] The base includes a bottom plate and a cavity. The cavity has a voiceprint acquisition cavity with an upward opening. The bottom plate is provided with a plurality of sound holes, and the sound holes communicate the outside with the voiceprint acquisition cavity; the second installation part is used for installing a voiceprint sensor;

[0009] The bottom plate is provided with a socket having an annular insertion part, and the second installation part is provided with an abutting part inserted into the annular insertion part;

[0010] Below the annular insertion part, there is a support plate pivotally connected to the socket, and an elastic member is provided on the pivot axis of the support plate and the socket;

[0011] When the second mounting part is driven to move downward to the support plate, the annular insertion part is squeezed to fix the second mounting part. When the second mounting part is driven to continue moving downward, the support plate pivots downward, and the elastic member is squeezed to store energy. When the applied force on the second mounting part is released, the elastic member releases energy to disengage the second mounting part from the base.

[0012] Further, the socket is inserted into the bottom plate. The annular insertion part includes a straight section connected to the upper end of the socket and an inclined section extending downward below the middle of the voiceprint acquisition cavity.

[0013] When the second mounting part is driven to move downward, the inclined section abuts against the side of the second mounting part to squeeze and fix the socket by the inclined part.

[0014] Further, the support plates are circumferentially and evenly arranged on the socket, and a pivot shaft is provided at the pivot center of the support plate and the socket.

[0015] The elastic member is sleeved on the pivot shaft, and the support plate is arranged below the annular insertion part.

[0016] Further, the second mounting part includes a mounting plate and a pressing part inserted on the mounting plate, and the voiceprint sensor is mounted below the pressing part.

[0017] A through sound hole is provided in the middle of the mounting plate, and the through sound hole is arranged below the voiceprint sensor.

[0018] Further, an inverted T-shaped groove is provided on the mounting plate, and an inverted T-shaped protrusion protruding downward is provided on the pressing part. The inverted T-shaped protrusion is adapted to the inverted T-shaped groove, and the pressing part is inserted on the mounting plate.

[0019] Further, a snap ring is provided on one side of the bottom plate away from the voiceprint acquisition cavity. The first mounting part is a retractable belt, and the width of the snap ring is adapted to the width of the first mounting part.

[0020] The belt penetrates and is inserted into the snap ring, and a first fastener for tightening the snap ring is provided on the snap ring.

[0021] Further, a plurality of threaded holes are provided at one end of the belt at intervals along the extending direction of the belt, and a through hole is provided at the other end of the belt. The through hole is aligned with the threaded holes, and the two ends of the belt are connected by a second fastener to form a ring.

[0022] Furthermore, the upper cover is provided with a downwardly bent flange, the diameter of the flange is adapted to the outer diameter of the cavity, and the upper cover abuts against the cavity to form a sealed space for the voiceprint acquisition cavity.

[0023] Furthermore, a plurality of the sound holes are circumferentially and evenly arranged on the bottom plate.

[0024] Furthermore, a visible spirit level is provided on the bottom plate.

[0025] Compared with the prior art, the present utility model has the following advantages:

[0026] For the voiceprint acquisition device of the present utility model, by arranging the second installation part in the cavity with the voiceprint acquisition cavity and arranging a plurality of sound holes on the bottom plate, the sound at the installation position of the voiceprint acquisition device can be transmitted to the voiceprint acquisition cavity through the plurality of sound holes, and due to the sealing of the upper cover, external noise interference is avoided, thereby ensuring the accuracy of the signal acquired by the voiceprint acquisition device. The first installation part is also provided for fixing the device at the required installation position. Moreover, by arranging the annular insertion part and the support plate, the second installation part is disengaged from the abutment of the annular insertion part by the energy release of the elastic part, thereby facilitating the installation and disassembly of the voiceprint sensor and avoiding damage to the voiceprint sensor.

[0027] In addition, by arranging the annular insertion part at the upper part of the socket, when the second installation part moves downward, the second inclined part abuts against the side part of the second installation part, and the support plate is arranged at the lower part of the second installation part, thereby positioning and fixing the second installation part, and the installation is simple and easy to implement.

[0028] In addition, by arranging a pivot shaft to connect the support plate to the socket and sleeving the elastic part on the pivot shaft, as the second installation part continues to move downward, the support plate is squeezed and pivoted downward to compress the elastic part. At this time, the annular insertion part located above is deformed more. When the elastic part releases energy and quickly rebounds the second installation part, the annular insertion part has not rebounded to the side part of the second installation part, or the friction force is small, so that the second installation part is disengaged from the socket. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] The drawings forming a part of the present utility model are used to provide a further understanding of the present utility model. The schematic embodiments of the present utility model and their descriptions are used to explain the present utility model and do not constitute an improper limitation to the present utility model. In the drawings:

[0030] Figure 1 is an exploded view of the voiceprint acquisition device of the present utility model embodiment from the first perspective;

[0031] Figure 2 is an exploded view of the voiceprint acquisition device of the present utility model embodiment from the second perspective;

[0032] Figure 3 A cross-sectional view of the voiceprint acquisition device according to the embodiment of the present utility model in the thickness direction;

[0033] Figure 4 is Figure 3 a partial enlarged view of a part of the first mounting portion, the base, the second mounting portion, and the upper cover in

[0034] Figure 5 a partial enlarged schematic view of the connection structure of the support plate, the elastic member, the pivot shaft, and the socket according to the embodiment of the present utility model;

[0035] Figure 6 a three-dimensional structure schematic view of the base according to the embodiment of the present utility model.

[0036] Explanation of reference numerals:

[0037] 1. First mounting portion; 2. Base; 3. Second mounting portion; 4. Upper cover; 5. Voiceprint sensor; 6. First fastener; 7. Second fastener; 8. Level;

[0038] 101. Threaded hole; 102. Through hole;

[0039] 201. Bottom plate; 202. Cavity; 203. Voiceprint acquisition cavity; 204. Sound transmission hole; 205. Socket; 206. Support plate; 207. Elastic member; 208. Pivot shaft; 209. Snap ring;

[0040] 301. Contact portion; 302. Mounting plate; 303. Pressing portion; 304. Inverted T-shaped groove;

[0041] 401. Flange;

[0042] 2051. Annular insertion portion;

[0043] 3021. Sound transmission hole; 3031. Inverted T-shaped protrusion;

[0044] 20511. Straight section; 20512. Inclined section. Detailed implementation manners

[0045] It should be noted that, without conflict, the embodiments in the present utility model and the features in the embodiments may be combined with each other.

[0046] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "upper", "lower", "inner", "back", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present utility model. In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance.

[0047] In addition, in the description of the present utility model, unless otherwise clearly defined, the terms "installation", "connection", "connection", "connector" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood in combination with specific situations.

[0048] The present utility model will be described in detail below with reference to the drawings and in combination with embodiments.

[0049] This embodiment relates to a voiceprint acquisition device, which includes a first installation part 1, a base 2 sleeved and connected to the first installation part 1, a second installation part 3 detachably connected to the base 2, and an upper cover 4 buckled on the base 2. The base 2 includes a bottom plate 201 and a cavity 202. There is a voiceprint acquisition cavity 203 with an upward opening in the cavity 202. A plurality of sound conduction holes 204 are provided on the bottom plate 201, and the sound conduction holes 204 communicate the outside with the voiceprint acquisition cavity 203; the second installation part 3 is used to install a voiceprint sensor 5. A socket 205 with an annular insertion part 2051 is provided on the bottom plate 201, and an abutting part 301 inserted with the annular insertion part 2051 is provided on the second installation part 3.

[0050] Wherein, a support plate 206 pivotally connected to the socket 205 is provided below the annular insertion part 2051, and an elastic member 207 is provided on the pivot shaft 208 of the support plate 206 and the socket 205. When the second installation part 3 is driven to move downward onto the support plate 206, the annular insertion part 2051 is squeezed to fix the second installation part 3. When the second installation part 3 is driven to continue moving downward, the support plate 206 pivots downward, and the elastic member 207 is squeezed to store energy. When the applied force on the second installation part 3 is released, the elastic member 207 releases energy to enable the second installation part 3 to be detached from the base 2.

[0051] The voiceprint acquisition device of this embodiment can transmit the sound at the installation position of the device to the voiceprint acquisition cavity 203 through a plurality of sound holes 204 by arranging the second installation part 3 in the cavity 202 with a voiceprint acquisition cavity 203 and arranging a plurality of sound holes 204 on the bottom plate 201. Due to the blockage of the upper cover 4, external noise interference can be avoided, thereby ensuring the accuracy of the signal acquired by the voiceprint acquisition device. The first installation part 1 is also provided to fix the device at the required installation position. Moreover, by arranging the annular insertion part 2051 and the support plate 206, the second installation part 3 can be disengaged from the abutment of the annular insertion part 2051 by the energy release of the elastic part 207, which can facilitate the installation and disassembly of the voiceprint sensor 5 and avoid damage to the voiceprint sensor 5.

[0052] Based on the above overall introduction, an exemplary structure of the voiceprint acquisition device of this embodiment is as Figures 1 to 3 shown. The bottom plate 201 of this embodiment is a circular sheet structure made of aluminum alloy. The cavity 202 is a circular ring fixedly connected to the bottom plate 201, forming an upward-opening cylindrical structure with the bottom plate 201, and can be connected by means such as insertion or welding.

[0053] Preferably, as Figures 1 to 3 shown, the socket 205 is inserted into the bottom plate 201. The annular insertion part 2051 includes a straight section 20511 connected to the upper end of the socket 205 and an inclined section 20512 extending downward to the middle of the voiceprint acquisition cavity 203. When the second installation part 3 is driven to move downward, the inclined section 20512 abuts against the side of the second installation part 3 to squeeze and fix the socket 205 by the inclined part. The socket 205 is also a circular ring inserted into the bottom plate 201, and the socket 205 is arranged at intervals inside the cavity 202 and they are coaxially arranged.

[0054] In this embodiment, by arranging the annular insertion part 2051 on the upper part of the socket 205, when the second installation part 3 moves downward, the second inclined part abuts against the side of the second installation part 3. The support plate 206 is arranged at the lower part of the second installation part 3, so as to position and fix the second installation part 3, and the installation is simple and easy to implement.

[0055] Furthermore, as Figures 4 to 5 shown, the support plates 206 are circumferentially and evenly arranged on the socket 205. A pivot shaft 208 is provided at the pivot center of the support plate 206 and the socket 205. The elastic part 207 is sleeved on the pivot shaft 208, and the support plate 206 is arranged below the annular insertion part 2051. In this embodiment, four pivotally connected support plates 206 are arranged inside the socket 205 to support the bottom of the second installation part 3. For the convenience of installation, a notch is provided on the socket 205. The pivot shaft 208 first penetrates into the support plate 206, the support plate 206 is arranged at the notch, and both ends of the pivot shaft 208 are inserted into the socket 205.

[0056] The support plate 206 is connected to the socket 205 by setting a pivot shaft 208, and the elastic member 207 is sleeved on the pivot shaft 208. As the second mounting portion 3 continues to move downward, the support plate 206 is squeezed and pivoted downward, causing the elastic member 207 to be compressed. At this time, the annular insertion portion 2051 located above is squeezed and deformed more greatly. When the elastic member 207 releases energy and quickly rebounds the second mounting portion 3, the annular insertion portion 2051 has not yet rebounded to the side of the second mounting portion 3, or the frictional force is small, so that the second mounting portion 3 is disengaged from the socket 205.

[0057] Preferably, the second mounting portion 3 includes a mounting plate 302 and a pressing portion 303 inserted on the mounting plate 302. The voiceprint sensor 5 is installed below the pressing portion 303. A through sound transmission hole 3021 is provided in the middle of the mounting plate 302, and the sound transmission hole 3021 is provided below the voiceprint sensor 5. As Figures 1 to 3 shown, the mounting plate 302 is a circular sheet structure, and the pressing portion 303 is a U-shaped plate facing the opening of the mounting plate 302, which is used to protect the voiceprint sensor 5. In this embodiment, the voiceprint sensor 5 can be connected to the mounting plate 302 with bolts.

[0058] Furthermore, as Figure 4 shown, an inverted T-shaped groove 304 is provided on the mounting plate 302, and an inverted T-shaped protrusion 3031 protruding downward is provided on the pressing portion 303. The inverted T-shaped protrusion 3031 is adapted to the inverted T-shaped groove 304, and the pressing portion 303 is inserted on the mounting plate 302. One end of the inverted T-shaped groove 304 in this embodiment communicates with the outside of the mounting plate 302. When the pressing portion 303 is installed or disassembled, the T-shaped protrusion is driven to slide along the inverted T-shaped groove 304, which is convenient for disassembly and assembly, and the voiceprint sensor 5 will not be knocked and damaged during loading and unloading.

[0059] In addition, as Figures 1 to 6 shown, a snap ring 209 is provided on the side of the bottom plate 201 away from the voiceprint acquisition cavity 203. The first mounting portion 1 is made of a retractable belt, and the width of the snap ring 209 is adapted to the width of the first mounting portion 1. The belt penetrates and is inserted into the snap ring 209, and a first fastener 6 for tightly pressing the snap ring 209 is provided on the snap ring 209. The snap ring 209 and the bottom plate 201 in this embodiment form a rectangular hole, and the belt can be inserted into the rectangular hole. When installing the voiceprint sensor 5, the first mounting portion 1 is set at a suitable position in the length direction of the belt and fastened by the first fastener 6. The first fastener 6 in this embodiment uses a fastening bolt.

[0060] Preferably, as Figures 1 to 6As shown, one end of the belt body is provided with a plurality of threaded holes 101 spaced along the extending direction of the belt body, and the other end of the belt body is provided with a through hole 102, which is aligned with the threaded hole 101, and the two ends of the belt body are connected by the second fastener 7 to form a ring. The belt body of this embodiment is made of elastic steel and can be installed in any shape. The belt body of this embodiment is respectively installed on the air intake pipe of the air compressor, the motor housing of the power system, and the fan main unit of the cooling system. Since the belt body can be set in any shape, it can adapt to installation parts of different shapes and lengths. The second fastener 7 also uses bolts, and the spacing of the threaded holes 101 can be set as needed, or it can be made after surveying and mapping the length of the installation part.

[0061] In this embodiment, Figures 1 to 4 As shown, the upper cover 4 is provided with a downwardly bent flange 401, the inner diameter of the flange 401 is adapted to the outer diameter of the cavity 202, the bottom wall of the upper cover 4 is in contact with the upper end of the cavity 202, and the flange 401 is wrapped around the outside of the cavity 202 to form a closed space for the voiceprint collection cavity 203, thereby ensuring that the sound collection cavity is away from noise and ensuring the sound collection effect.

[0062] Of course, for the voiceprint sensor 5 that is used for a long time, it should be checked regularly and replaced or repaired in time. By setting the upper cover 4 and the flange 401, the sensor can be kept clean and dry, and moisture and dust can be prevented from entering the sensor as much as possible to avoid affecting its performance and life.

[0063] In addition, a plurality of sound holes 204 are evenly distributed around the bottom plate 201. Figure 6 As shown, the sound holes 204 are radiated from the middle of the bottom plate 201 to the outside so as to be evenly distributed on the bottom plate 201 in the space of the voiceprint collection cavity 203, so as to transmit the sound signal of the position to be measured through the belt body through the plurality of sound holes 204 to the voiceprint sensor 5, thereby further ensuring the sound collection effect.

[0064] In addition, in order to detect whether the voiceprint collection device is in a horizontal position when installed, Figure 1 As shown, an observable level gauge 8 is provided on the bottom plate 201. By providing the level gauge 8, when installing the voiceprint collection device, the voiceprint collection sensor is kept directly above the part to be measured to avoid inaccurate sound signal collection.

[0065] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A voiceprint collection device, characterized in that: It comprises a first mounting part (1), a base (2) sleeved and connected to the first mounting part (1), a second mounting part (3) detachably connected to the base (2), and an upper cover (4) buckled on the base (2); The base (2) comprises a bottom plate (201) and a cavity (202), wherein the cavity (202) has a voiceprint collection cavity (203) which is open upwards, and the bottom plate (201) is provided with a plurality of sound holes (204), wherein the sound holes (204) are connected to the outside and the voiceprint collection cavity (203); the second mounting portion (3) is used for mounting a voiceprint sensor (5); The bottom plate (201) is provided with a socket (205) having an annular plug-in portion (2051), and the second mounting portion (3) is provided with an abutment portion (301) plugged into the annular plug-in portion (2051); A support plate (206) pivotally connected to the socket (205) is provided below the annular plug-in portion (2051), and an elastic member (207) is provided on the pivot axis (208) between the support plate (206) and the socket (205); When the second mounting portion (3) is driven to move downward onto the support plate (206), the annular plug-in portion (2051) is squeezed to fix the second mounting portion (3); when the second mounting portion (3) is driven to continue to move downward, the support plate (206) pivots downward, and the elastic member (207) is squeezed to store energy; when the force applied to the second mounting portion (3) is released, the elastic member (207) releases energy to separate the second mounting portion (3) from the base (2).

2. The voiceprint collection device according to claim 1, characterized in that: The socket (205) is plugged into the bottom plate (201), and the annular plug-in portion (2051) comprises a straight section (20511) connected to the upper end of the socket (205), and an inclined section (20512) extending toward the lower middle of the voiceprint collection chamber (203); When the second mounting portion (3) is driven to move downward, the inclined section (20512) abuts against the side of the second mounting portion (3) so that the inclined portion presses and fixes the socket (205).

3. The voiceprint collection device according to claim 1, characterized in that: The support plates (206) are evenly distributed on the circumference of the socket (205), and a pivot shaft (208) is provided at the pivot center of the support plate (206) and the socket (205); The elastic member (207) is sleeved on the pivot shaft (208), and the support plate (206) is arranged below the annular plug-in portion (2051).

4. The voiceprint collection device according to claim 3, characterized in that: The second mounting portion (3) comprises a mounting plate (302) and a pressing portion (303) plugged into the mounting plate (302), and the voiceprint sensor (5) is mounted below the pressing portion (303); A through sound hole (3021) is provided in the middle of the mounting plate (302), and the sound hole (3021) is provided below the voiceprint sensor (5).

5. The voiceprint collection device according to claim 4, characterized in that: The mounting plate (302) is provided with an inverted T-shaped groove (304), the pressing portion (303) is provided with an inverted T-shaped protrusion (3031) protruding downward, the inverted T-shaped protrusion (3031) is adapted to the inverted T-shaped groove (304), and the pressing portion (303) is inserted into the mounting plate (302).

6. The voiceprint collection device according to claim 3, characterized in that: A clamping ring (209) is provided on one side of the bottom plate (201) away from the voiceprint collection chamber (203); the first mounting portion (1) adopts a retractable belt body; and the width of the clamping ring (209) is adapted to the width of the first mounting portion (1); The belt body is inserted into the clamping ring (209), and the clamping ring (209) is provided with a first fastener (6) for tightening the clamping ring (209).

7. The voiceprint collection device according to claim 6, characterized in that: One end of the belt body is provided with a plurality of threaded holes (101) spaced apart along the extending direction of the belt body, and the other end of the belt body is provided with a through hole (102), the through hole (102) is aligned with the threaded hole (101), and the two ends of the belt body are connected by a second fastener (7) to form a ring.

8. The voiceprint collection device according to claim 1, characterized in that: The upper cover (4) is provided with a downwardly bent flange (401), the diameter of the flange (401) being matched with the outer diameter of the cavity (202), and the upper cover (4) is in contact with the cavity (202), so that the voiceprint collection cavity (203) forms a closed space.

9. The voiceprint collection device according to claim 1, characterized in that: A plurality of sound holes (204) are evenly distributed around the circumference of the bottom plate (201).

10. The voiceprint collection device according to claim 1, characterized in that: An observable level gauge (8) is provided on the bottom plate (201).

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