KR20240088536A - Noise reduction device and noise reduction assembly - Google Patents

Abstract

The present invention discloses a noise canceling device including a base, a substrate, a connection circuit, and a microphone. The base includes a base plate, side walls, joints, protrusions and internal protrusions. The side walls are connected to the bottom plate to form a receiving space with the bottom plate. The connection portion is connected to the side wall and communicates with the receiving space. The protrusion includes a through hole and an installation surface, and the protrusion is connected to the bottom plate and located outside the receiving space. The internal protrusion is connected to the base plate and located in the receiving space. The substrate is installed on the internal protrusion and located within the receiving space, and the substrate further includes a tongue that penetrates the side wall and is located within the connection portion. The connection circuit is formed on the internal protrusion and the bottom plate, extends through the through hole, and is located on the installation surface. The microphone is welded to the installation surface, one end of the connection circuit is electrically connected to the board, and the other end is electrically connected to the microphone.

Description

Noise canceling device and noise canceling assembly {NOISE REDUCTION DEVICE AND NOISE REDUCTION ASSEMBLY}

The present invention relates to a noise canceling device and a noise canceling assembly, and particularly to a noise canceling device and a noise canceling assembly that are lightweight and have a waterproof function.

In the prior art, noise canceling devices and noise canceling assemblies not only require many processes during manufacturing, but also require many materials or parts. Accordingly, the manufactured noise canceling device and noise canceling assembly always have a constant thickness and volume. In particular, when mounted on a vehicle, it must always occupy a certain mounting space. In addition, too many processes and too many materials or parts always lead to an increase in production costs. Additionally, in the prior art, since the microphone for receiving sound sources is generally installed inside the entire device (case), the problem of poor sound source reception effect often occurs.

Considering this, in some embodiments, a noise canceling device is provided that is installed on a wall to receive a sound source and includes a base, a board, a connection circuit, and a microphone. The base includes a base plate, side walls, joints, protrusions and internal protrusions. The side walls are connected to the bottom plate to form a bottom plate and receiving space. The connection portion is connected to the side wall and communicates with the receiving space. The protrusion includes a through hole and an installation surface, where the protrusion is connected to the base plate and located outside the receiving space. The internal protrusion is connected to the base plate and located in the receiving space. The substrate is installed on the inner protrusion and positioned within the receiving space, where the substrate further includes a tongue penetrating the side wall and positioned within the connection portion. The connection circuit is formed on the internal protrusion and base plate through Laser Direct Structuring (LDS) technology, extends through the through hole, and is located on the installation surface. The microphone is welded to the installation surface using surface-mount technology (SMT), where one end of the connection circuit is electrically connected to the board and the other end is electrically connected to the microphone.

In some embodiments, the noise canceling device further includes a cover connected to the base and covering the substrate.

In some embodiments, the noise canceling device further includes a plurality of locking fastening members. Here, the cover includes a plurality of perforations, the base includes a plurality of locking holes, and the locking member passes through each of the perforations and the locking holes to lock the cover to the base.

In some embodiments, the noise canceling device further includes a waterproof washer installed within the perforation.

In some embodiments, the sidewall further includes a groove, and the cover hangs correspondingly to the groove to cover the substrate.

In some embodiments, the noise canceling device further includes a waterproof member installed within the groove.

In some embodiments, the noise canceling device further includes a cap connected to the protrusion and covering the microphone. Here, when the noise canceling device is installed within the wall, the cap is exposed to the outside of the wall.

In some embodiments, the cap further includes a sound source receiving hole for receiving a sound source.

In some embodiments, the noise canceling device further includes a rubber member installed on the installation surface and covering the microphone.

In some embodiments, the rubber member further includes a through hole installed to correspond to the sound source receiving hole.

In some embodiments, the cap further includes a hook and the protrusion further includes a catch portion. The hook is hooked onto the latch so that the cap is connected to the protrusion.

In some embodiments, the connection portion further includes a ring wall, an incorrect assembly prevention member, and a buckle portion. The circumference includes the outer wall surface and the inner wall surface. The misassembly prevention member is formed on the inner wall. The buckle portion is formed on the outer wall surface.

In some embodiments, the side wall further includes a communication hole, and the tongue penetrates the communication hole and hangs over the communication hole, so that a portion is located within the connection portion.

In some embodiments, the noise canceling device further includes a plurality of conductive pads installed on the substrate, and the conductive pads electrically connect the connection circuit to the substrate.

In some embodiments, the present invention further provides a noise canceling assembly that is installed in a wall to receive a sound source and includes a noise canceling device and a connector. The connector fits into the noise canceling device and is electrically connected to the board. Here, the connector includes a terminal block, an upper row terminal, a lower row terminal, a connecting rod, and a cable. The terminal block includes an insertion portion for fitting into the noise canceling device. The upper row terminal includes a plurality of upper row signal terminals installed in the terminal block. The lower row terminal includes a plurality of lower row signal terminals installed in the terminal block. The connecting rod is connected to the terminal block. The cable passes through the connecting rod and is electrically connected to the upper and lower row terminals within the connecting rod.

In some embodiments, the terminal block further includes a receiving groove for installing the upper row terminal and the lower row terminal.

In some embodiments, the insertion portion further includes an interface, and when the connector fits into the noise canceling device, the tongue fits into the interface.

In some embodiments, the upper row signal terminal and the lower row signal terminal include a main body portion, a first connecting portion, a bent portion, a second connecting portion, and an extension portion, respectively. The first connection portion is connected to the main body portion. The bent portion is connected to the first connecting portion. The second connecting portion is connected to the bent portion and extends toward the main body portion. The extended portion includes a contact end, is connected to the second connecting portion, and extends in a direction away from the first connecting portion.

In some embodiments, a narrow angle is formed between the extended portion and the second connecting portion.

In some embodiments, the terminal block further includes a receiving groove, the insertion portion further includes an interface, and the contact end is exposed to the receiving groove and positioned within the interface.

In some embodiments, the connector further includes a resilient button connected to the terminal block, and when the connector fits into the noise canceling device, the resilient button is locked to the noise canceling device.

In some embodiments, the elastic button further includes an interlocking portion, an annular buckle, and a pressing portion. The interlocking part is connected to the terminal block. The annular buckle is connected to the interlocking unit and is located on one side of the interlocking unit. The pressing portion is connected to the interlocking portion and is located on the other side of the interlocking portion.

In some embodiments, the connector further includes a waterproof ring, the insertion portion further includes an annular groove, and the waterproof ring is installed in the annular groove.

Hereinafter, the detailed features and advantages of the present invention will be described in detail in the embodiments, the contents of which are sufficient to enable those skilled in the art to understand and practice the technical content of the present invention. Anyone skilled in the art will be able to easily understand the purpose and advantages of the present invention based on the content, claims, and drawings disclosed in this specification.

1 is a perspective schematic diagram of a noise canceling device according to some embodiments.
Figure 2 is an exploded schematic diagram of a noise canceling device according to some embodiments.
Figure 3 is a perspective schematic diagram of a base according to some embodiments.
Figure 4 is a perspective schematic diagram of the base from another perspective according to some embodiments.
Figure 5 is a schematic diagram of a microphone located on an installation surface according to some embodiments.
Figure 6 is a schematic diagram of a noise canceling device installed on a wall according to some embodiments.
Figure 7 is an exploded schematic diagram of a noise canceling assembly according to some embodiments.
8 is an exploded schematic diagram of a connector according to some embodiments.
Figure 9 is a cross-sectional view of a connection between a noise canceling device and a connector according to some embodiments.
Figure 10 is a perspective schematic diagram of a terminal block according to some embodiments.
11 is a schematic diagram of a signal terminal according to some embodiments.
12 is a schematic diagram of a connector according to some embodiments.

Referring to Figures 1 and 2, Figure 1 is a perspective schematic diagram of a noise canceling device according to some embodiments. Figure 2 is an exploded schematic diagram of a noise canceling device according to some embodiments. The noise canceling device 100 is installed within the wall 300 (detailed information will be described later) and receives the sound source V (details will be described later). For example, it is installed on the inside of the vehicle's roof, instrument panel, or door trim panel, but is not limited to this. The noise canceling device 100 includes a base 10, a substrate 20, a connection circuit 30, and a microphone 40.

Referring to Figures 3 and 4, Figure 3 is a perspective schematic diagram of a base according to some embodiments. Figure 4 is a perspective schematic diagram of the base from another perspective according to some embodiments. The base 10 is approximately a rectangular cube, and may preferably be made of an insulating material, for example, plastic, but is not limited thereto. The base 10 includes a bottom plate 11, a side wall 12, a connecting portion 13, a protrusion 14, and an internal protrusion 15. Here, the side wall 12 is connected to the bottom plate 11 to form the bottom plate 11 and the receiving space 16. Furthermore, the side wall 12 is a surround side wall and is formed to extend along the side of the bottom plate 11. The connection portion 13 is connected to the side wall 12 and communicates with the receiving space 16. Accordingly, the connection portion 13 is connected to the side wall 12 and is located outside the receiving space 16.

Referring again to FIGS. 1 and 2, the connection portion 13 further includes a ring wall 13a, an incorrect assembly prevention member 13b, and a buckle portion 13c. Here, the ring wall 13a includes an outer wall surface 13d and an inner wall surface 13e. The incorrect assembly prevention member 13b is formed on the inner wall surface 13e. The buckle portion 13c is formed on the outer wall surface 13d. Here, the misassembly prevention member 13b and the buckle portion 13c can be used in assembly with the connector 200 (details will be described later). In some embodiments, the number of misassembly prevention members 13b may be, for example, one, but is not limited thereto. In one embodiment, there may be two buckle portions 13c, for example, but the number is not limited thereto. However, the number of incorrect assembly prevention members 13b and buckle portions 13c is set to correspond to the connector 200 (details will be described later).

The protrusion 14 includes a through hole 14a and an installation surface 14b. Here, the protrusion 14 is connected to the bottom plate 11 and is located outside the receiving space 16 (eg, protrudes outside the receiving space 16 through injection molding). In some embodiments, the through hole 14a may be a small hole left in advance when the base 10 undergoes injection molding. In some other embodiments, the through hole 14a may also be a microscopic hole through Laser Direct Structuring (LDS) technology. The internal protrusion 15 is connected to the base plate 11 and is located within the receiving space 16 (eg, formed within the receiving space 16 through injection molding). The above-described bottom plate 11, side wall 12, connecting portion 13, protrusion 14, and internal protrusion 15 may be integrally molded, but the present invention is not limited thereto.

The substrate 20 may be, for example, a circuit board, but is not limited thereto, and is installed on the internal protrusion 15 and located within the receiving space 16. Here, the substrate 20 further includes a tongue piece 20a, and the tongue piece 20a penetrates the side wall 12 and is located within the connection portion 13. Furthermore, for example, the substrate 20 can be locked and fixed to the base 10 using a locking element such as a screw S to be positioned in the receiving space 16. In one embodiment, the substrate 20 is partially installed on the internal protrusion 15 and positioned within the receiving space 16 . In addition, the connection portion 13 is connected to the side wall 12 and communicates with the receiving space 16. Accordingly, the tongue 20a can also penetrate the side wall 12 and be located within the connecting portion 13.

In some embodiments, the side wall 12 further includes a communicating hole 12a (as shown in FIG. 1), and the size of the communicating hole 12a is set to correspond to the size of the tongue piece 20a. Accordingly, the tongue piece 20a can penetrate the communication hole 12a and be caught in the communication hole, so that a part of the tongue piece 20a (substrate 20) can be positioned within the connection portion 13. Additionally, by being hung in the communication hole 12a, the substrate 20 is more stably fixed within the receiving space 16.

The connection circuit 30 is formed on the internal protrusion 15 and the base plate 11 through Laser Direct Structuring (LDS) technology, and extends to penetrate the through hole 14a and is located on the installation surface 14b. (as shown in Figure 4). Furthermore, one end of the connection circuit 30 is formed on the internal protrusion 15, and when the substrate 20 is installed on the internal protrusion 15 and located within the receiving space 16, one end of the connection circuit 30 is It is electrically connected to the substrate 20. In addition, the connection circuit 30 extends through the through hole 14a through laser direct structuring technology and is located on the installation surface 14b. Accordingly, the path of the connecting circuit 30 extends from within the receiving space 16 of the base 10 to outside the receiving space 16 of the base 10. In some embodiments, the through hole 14a may pass through a microscopic hole through laser direct structuring technology. Accordingly, external moisture cannot penetrate into the receiving space 16 of the base 10 through the through hole 14a, and a certain waterproof effect can be achieved.

Referring to FIG. 5, FIG. 5 is a schematic diagram of a microphone located on an installation surface according to some embodiments. The microphone 40 is welded to the installation surface 14b through surface-mount technology (SMT) and is electrically connected to the connection circuit 30. Accordingly, one end of the connection circuit 30 is electrically connected to the board 20, and the other end is electrically connected to the microphone 40. In addition, the noise canceling device 100 further includes a plurality of conductive pads 20b installed on the substrate 20, and the conductive pads 20b can electrically connect the connection circuit 30 to the substrate 20. there is. Furthermore, through the installation of the substrate 20, the conductive pad 20b, and the connection circuit 30, the microphone 40 located outside the receiving space 16 is connected to the substrate 20 located within the receiving space 16. Can be electrically connected.

Referring again to FIG. 2 , in some embodiments, the noise canceling device 100 further includes a cover 50 connected to the base 10 and covering the substrate 20 . Furthermore, when the cover 50 is connected to the base 10, the entire receiving space 16 is closed. In some embodiments, the noise canceling device 100 further includes a plurality of locking members 60. Here, the cover 50 includes a plurality of perforations 50a, the base 10 includes a plurality of locking fixing holes 10a, and the locking member 60 has a perforation 50a and a locking fixing hole, respectively. The cover 50 is locked to the base 10 through (10a).

In some other embodiments, the noise canceling device 100 further includes a waterproof washer 70. Here, the waterproof washer 70 is installed in the perforation 50a. Furthermore, the noise canceling device 100 further includes a plurality of waterproof washers 70, and each waterproof washer 70 is installed therein to correspond to one perforation 50a. When the locking member 60 penetrates each of the perforations 50a and is locked to the locking hole 10a, the locking member 60, the waterproof washer 70, and the perforation 50a due to the pressure of the locking fixation. These are squeezed together to form a tight state. Accordingly, when the locking and fixing of the locking member 60 is completed, external moisture is blocked by the waterproof washer 70 and cannot penetrate into the receiving space 16 through the perforation 50a.

Referring back to Figure 2, in some embodiments, sidewall 12 further includes grooves 12b. When the cover 50 is locked to the base 10, the cover 50 can be hung corresponding to the groove 12b to cover the substrate 20 and close the entire receiving space 16. In some other embodiments, the noise canceling device 100 further includes a waterproof member 80 installed in the groove 12b. Here, the waterproof member 80 may be, for example, a waterproof rubber ring, but is not limited thereto, and its shape is set to correspond to the groove 12b. Accordingly, when the waterproof member 80 is installed in the groove 12b and the cover 50 is caught correspondingly to the groove 12b, the cover 50 is in close contact with the waterproof member 80. At the same time, when the locking member 60 penetrates the hole 50a and is locked to the locking hole 10a, the cover 50, the waterproof member 80, and the base 10 due to the pressure of the locking member 60. ) (grooves 12b) can be pressed together to form a tight state. Accordingly, when the locking and fixing of the locking member 60 is completed, external moisture is blocked by the waterproofing member 80 and cannot enter the receiving space 16.

Referring again to FIGS. 2 and 6, FIG. 6 is a schematic diagram of a noise canceling device according to some embodiments being installed on a wall. In some embodiments, the noise canceling device 100 further includes a cap 90 connected to the protrusion 14 and covering the microphone 40. Here, when the noise canceling device 100 is installed within the wall 300, the cap 90 is exposed to the outside of the wall 300. In some embodiments, the cap 90 includes a cap perimeter 90c, and when the noise canceling device 100 is installed within the wall 300, a portion of the cap 90 is exposed to the outside of the wall 300. . In addition, the cap circumference 90c is hung on the outside of the wall 300 to prevent the cap 90 from falling into the wall 300. Here, the wall 300 may be, for example, the inner surface of the roof of a vehicle, an instrument panel, or a door trim panel, but is not limited thereto.

In some embodiments, the cap 90 further includes a sound source receiving hole 90a for receiving the sound source V. Accordingly, when the microphone 40 is welded to the installation surface 14b, the cap 90 is connected to the protrusion 14 and covers the microphone 40, thereby protecting the microphone 40. At the same time, the cap 90 includes a sound source receiving hole 90a, so that the sound source V can pass through the sound source receiving hole 90a, and the microphone 40 can achieve a better sound source receiving effect. Let it happen.

In some embodiments, the noise canceling device 100 further includes a rubber member 91 installed on the installation surface 14b and covering the microphone 40. Furthermore, in order to achieve a more desirable dustproof and waterproof effect, the noise canceling device 100 further includes a rubber member 91 installed between the cap 90 and the microphone 40. In one embodiment, the rubber member 91 may be shaped like a cover, for example, but is not limited thereto. Accordingly, when the rubber member 91 has a cover shape, the microphone 40 can be accommodated within the rubber member 91. Furthermore, a rubber member 91 is installed on the installation surface 14b to completely seal and cover the microphone 40. In addition, the rubber member 91 further includes a through hole 91a installed to correspond to the sound source receiving hole 90a. Accordingly, the sound source V can pass through the sound source receiving hole 90a and the through hole 91a, and the microphone 40 can achieve a similarly excellent sound source reception effect while achieving waterproofing and dustproofing.

Referring again to FIG. 6, the cap 90 further includes a hook 90b, and the protrusion 14 further includes a locking portion 14c, which can be used to connect the cap 90 to the protrusion 14. At this time, the hook 90b is caught on the catching portion 14c so that the cap 90 is caught and connected to the protruding portion 14.

Referring to FIGS. 7 and 8 , FIG. 7 is an exploded schematic diagram of a noise canceling assembly according to some embodiments. 8 is an exploded schematic diagram of a connector according to some embodiments. The present invention further provides a noise canceling assembly installed within the wall 300 (as shown in FIG. 6) to receive a sound source (V). The noise canceling assembly includes a noise canceling device 100 and a connector 200. The structure of the noise canceling device 100 is the same as described above. The connector 200 is fitted into the noise canceling device 100 and is electrically connected to the board 20. Here, the connector 200 includes a terminal block 210, an upper row terminal 230, a lower row terminal 240, a connecting stand 220, and a cable 250.

Referring to Figures 9 and 10, Figure 9 is a cross-sectional view of a connection between a noise canceling device and a connector according to some embodiments. Figure 10 is a schematic diagram of a terminal block according to some embodiments. The terminal block 210 includes an insertion portion 210a for fitting into the noise canceling device 100. Furthermore, the insertion portion 210a is inserted into the connecting portion 13 and is caught on the inner wall surface 13e. In some embodiments, insertion portion 210a further includes interface 211 . When the connector 200 is fitted into the noise canceling device 100, the tongue 20a (substrate 20) is inserted into the interface 211. Accordingly, the connector 200 further includes an incorrect assembly prevention tool 280 installed to correspond to the incorrect assembly prevention member 13b. When the connector 200 is fitted into the noise canceling device 100, the incorrect assembly prevention member 13b is fitted into the incorrect assembly prevention tool 280.

Additionally, the connector 200 further includes an elastic button 260 connected to the terminal block 210. When the connector 200 is fitted into the noise canceling device 100, the elastic button 260 is caught on the noise canceling device 100 to prevent the connector 200 from coming off the noise canceling device 100. Furthermore, the elastic button 260 further includes an interlocking portion 260a, an annular buckle 260b, and a pressing portion 260c. The interlocking part 260a is connected to the terminal block 210. The annular buckle 260b is connected to the interlocking portion 260a and is located on one side of the interlocking portion 260a. The pressing part 260c is connected to the linking part 260a and is located on the other side of the linking part 260a. Accordingly, the annular buckle 260b and the pressing portion 260c are located on both sides of the linking portion 260a, respectively. When the pressing portion 260c is pressed by an external force, the annular buckle 260b is interlocked and displaced by the interlocking portion 260a (see terminal block 210 shown in FIG. 10). When the pressing portion 260c is pressed by an external force, the annular buckle 260b is interlocked and spreads outward to be displaced (displaced in a direction away from the insertion portion 210a).

Accordingly, when the connector 200 is fitted into the noise canceling device 100, the elastic button 260 is caught on the noise canceling device 100. That is, the annular buckle 260b is locked corresponding to the buckle portion 13c, thereby preventing the connector 200 from coming off the noise canceling device 100. When attempting to separate the connector 200 from the noise canceling device 100, when the pressing portion 260c is pressed, the annular buckle 260b is interlocked and spreads outward to displace (in the direction away from the insertion portion 210a). displacement), the annular buckle 260b is separated from the buckle portion 13c. Accordingly, the connector 200 can easily be separated from the noise canceling device 100.

In some embodiments, the connector 200 further includes a waterproof ring 270, the insertion portion 210a further includes an annular groove 213, and the waterproof ring 270 is installed in the annular groove 213. . Additionally, when the waterproof ring 270 is installed in the annular groove 213, a portion of the waterproof ring 270 (the outer ring of the waterproof ring 270) is exposed to the annular groove 213. Here, the waterproof ring 270 is made of, for example, a rubber material, but is not limited thereto. Furthermore, when the insertion portion 210a is inserted into the connection portion 13 and caught on the inner wall surface 13e, a portion of the waterproof ring 270 is exposed to the annular groove 213 (in one embodiment, the waterproof ring ( When 270) is installed in the annular 6+;' groove 213, the outer diameter is larger than the outer diameter of the insertion part 210a), the waterproof ring 270 is in close contact with the inner wall surface 13e, preventing external moisture. It is possible to prevent dust from entering the connection portion 13 and further achieve excellent waterproofing or dustproofing effects.

Referring again to FIG. 8, the upper row terminal 230 includes a plurality of upper row signal terminals 230a installed within the terminal block 210. The lower row terminal 240 includes a plurality of lower row signal terminals 240a installed within the terminal block 210. The connection bar 220 is connected to the terminal block 210. In addition, the cable 250 passes through the connecting rod 220 and is electrically connected to the upper row terminal 230 and the lower row terminal 240 within the connecting rod 220. Furthermore, the upper row terminal 230 and the lower row terminal 240 are installed in the terminal block 210, and the cable 250 is electrically connected to the upper row terminal 230 and the lower row terminal 240. When connected to the terminal block 210, the connecting stand 220 connects the cable 250 and a part of the terminal block 210 (the part where the cable 250 and the upper and lower row terminals 230 and 240 are electrically connected). Wrap it. In some embodiments, the terminal block 210 further includes a receiving groove 212 for installing the upper row terminal 230 and the lower row terminal 240 (as shown in FIG. 10). In one embodiment, there are a total of four receiving grooves 212, two in the upper row and two in the lower row. The upper and lower rows may be respectively equipped with two upper row signal terminals 230a and two lower row signal terminals 240a.

Referring to FIG. 11, FIG. 11 is a schematic diagram of a signal terminal according to some embodiments. In some embodiments, the upper row signal terminal 230a and the lower row signal terminal 240a have the same structure and shape, and each upper row signal terminal 230a and lower row signal terminal 240a include a main body portion 400, It includes a first connection part 410, a bent part 420, a second connection part 430, and an extension part 440.

In one embodiment, body portion 400 is approximately an elongated plate-shaped structure. The first connection portion 410 is connected to the body portion 400, and the first connection portion 410 is formed extending from one edge of the body portion 400. The bent portion 420 is connected to the first connection portion 410. The second connection portion 430 is connected to the bent portion 420 and extends toward the main body portion 400. Furthermore, the first connection portion 410, the bent portion 420, and the second connection portion 430 have an approximately U-shaped structure, and the length of the first connection portion 410 is longer than the second connection portion 430. .

Referring to FIGS. 11 and 12 together, FIG. 12 is a schematic diagram of a connector according to some embodiments. The extension part 440 includes a contact end 440a, is connected to the second connection part 430, and extends in a direction away from the first connection part 410. That is, in this embodiment, the second connection portion 430 of the upper row signal terminal 230a extends toward the lower row signal terminal 240a. The second connection portion 430 of the lower row signal terminal 240a extends toward the upper row signal terminal 230a. Furthermore, the extension portion 440 forms an included angle α with the second connection portion 430. In some embodiments, the angle of the included angle (α) may be an acute angle, an obtuse angle, or a right angle. In this embodiment, the angle of the included angle (α) is an obtuse angle.

Additionally, the terminal block 210 includes a receiving groove 212, and the insertion portion 210a includes an interface 211. When the upper row signal terminal 230a and the lower row signal terminal 240a are installed in the receiving groove 212, the contact ends 440a of each upper row signal terminal 230a and the lower row signal terminal 240a are accommodated. It is exposed to the groove 212 and located within the interface 211. Furthermore, when the connector 200 is fitted into the noise canceling device 100 and the tongue 20a (substrate 20) is inserted into the interface 211, the contact end 440a exposed to the receiving groove 212 is It comes into contact with the tongue piece 20a and is electrically connected to the substrate 20.

As described above, in some embodiments, the base has a special structure, the connection circuit is formed through laser direct structuring technology, and the microphone is welded to the installation surface through surface adhesion technology, so that the microphone is installed outside the base. It can be electrically connected to the board inside. Accordingly, the problem of the noise canceling device taking up mounting space in the prior art is solved. In addition, it solves the problem of increased costs due to too many processes and too many materials or parts in the prior art. In addition, in the prior art, the microphone is installed inside the entire device (case), solving the problem of poor sound reception effect.

Although the technical content of the present invention has been disclosed above through preferred embodiments, these embodiments are not intended to limit the present invention. Since changes and modifications made by a person skilled in the art without departing from the spirit of the present invention should be included within the scope of the present invention, the scope of protection of the present invention should be based on what is determined by the appended claims.

10: base
10a: Locking fixing hole
11: Bottom plate
12: side wall
12a: communication hole
12b: groove
13: Connection part
13a: Hwanbyeok
13b: Misassembly prevention member
13c: Buckle part
13d: exterior wall surface
13e: inner wall surface
14: protrusion
14a: Through hole
14b: Installation surface
14c: latching part
15: internal protrusion
16: Accommodation space
20: substrate
20a: tongue
20b: conductive pad
30: connection circuit
40: microphone
50: cover
50a: perforation
60: Locking fixing member
70: Waterproof washer
80: Waterproof member
90: cap
90a: sound source reception hall
90b: hook
90c: cap circumference
91: Rubber member
91a: Through hole
100: Noise canceling device
200: connector
210: terminal block
210a: insertion part
211: interface
212: Acceptance home
213: Annular groove
220: connecting rod
230: Upper row terminal
230a: upper row signal terminal
240: Lower row terminal
240a: Lower row signal terminal
250: cable
260: elastic button
260a: linkage part
260b: Annular buckle
260c: presser
270: Waterproof ring
280: Misassembly prevention device
300: wall
400: body part
410: first connection portion
420: bending part
430: second connection portion
440: extension part
440a: contact end
α: narrow angle
S: Screw
V: sound source

Claims (23)

It is installed within the wall and receives sound sources,
It includes a bottom plate, a side wall connected to the bottom plate to form a receiving space with the bottom plate, a connection part connected to the side wall and in communication with the receiving space, a through hole, and an installation surface, and is connected to the bottom plate and located outside the receiving space. A base including a protrusion and an internal protrusion connected to the bottom plate and located in the receiving space;
a substrate installed on the inner protrusion, located in the receiving space, and further including a tongue that penetrates the side wall and is located in the connection portion;
A connection circuit formed on the inner protrusion and the bottom plate through Laser Direct Structuring (LDS), extends through the through hole, and is located on the installation surface; and
A noise canceling device that includes a microphone welded to the installation surface through surface-mount technology (SMT), wherein one end of the connection circuit is electrically connected to the board and the other end is electrically connected to the microphone. . According to paragraph 1,
A noise canceling device further comprising a cover connected to the base and covering the substrate. According to paragraph 2,
It further includes a plurality of locking fixing members, wherein the cover includes a plurality of perforations, the base includes a plurality of locking fixing holes, and the locking fixing members penetrate the perforations and the locking fixing holes, respectively. A noise canceling device that locks the cover to the base. According to paragraph 3,
A noise canceling device further comprising a waterproof washer installed in the perforation. According to paragraph 2,
The side wall further includes a groove, and the cover hangs corresponding to the groove to cover the substrate. According to clause 5,
A noise canceling device further comprising a waterproof member installed in the groove. According to paragraph 1,
A noise canceling device further comprising a cap connected to the protrusion and covering the microphone, wherein when the noise canceling device is installed in the wall, the cap is exposed to the outside of the wall. In clause 7,
The cap further includes a sound source receiving hole for receiving the sound source. According to clause 8,
A noise canceling device further comprising a rubber member installed on the installation surface and covering the microphone. According to clause 9,
A noise canceling device wherein the rubber member includes a through hole installed to correspond to a sound source receiving hole. In clause 7,
The cap further includes a hook, and the protrusion further includes a hook, wherein the hook is hooked on the hook to connect the cap to the protrusion. According to paragraph 1,
The connection part is,
A ring wall including an outer wall surface and an inner wall surface;
An incorrect assembly prevention member formed on the inner wall surface; and
A noise canceling device further comprising a buckle portion formed on the outer wall. According to paragraph 1,
The side wall further includes a communication hole, and the tongue penetrates the communication hole and is caught by the communication hole, and a portion of the tongue is located within the connection portion. According to paragraph 1,
A noise canceling device further comprising a plurality of conductive pads installed on the substrate, wherein the conductive pads electrically connect the connection circuit to the substrate. It is installed within the wall and receives sound sources,
A noise canceling device according to any one of claims 1 to 14; and
It includes a connector that fits into the noise canceling device and is electrically connected to the board, wherein the connector includes,
a terminal block including an insertion portion for fitting into the noise canceling device;
an upper row terminal including a plurality of upper row signal terminals installed within the terminal block;
a lower row terminal including a plurality of lower row signal terminals installed within the terminal block;
A connection bar connected to the terminal block; and
A noise canceling assembly comprising a cable that passes through the connecting rod and is electrically connected to the upper row terminal and the lower row terminal within the connecting rod. According to clause 15,
The terminal block further includes a receiving groove for installing the upper row terminal and the lower row terminal. According to clause 15,
The insertion portion further includes an interface, and when the connector is fitted into the noise canceling device, the tongue is inserted into the interface. According to clause 15,
The upper row signal terminals and the lower row signal terminals are, respectively,
body part;
a first connection portion connected to the main body portion;
a bent portion connected to the first connecting portion;
a second connection portion connected to the bent portion and extending toward the main body portion; and
A noise canceling assembly comprising a contact end, an extension portion connected to the second connection portion and extending in a direction away from the first connection portion. According to clause 18,
A noise canceling assembly forming a narrow angle between the extension portion and the second connection portion. According to clause 18,
The terminal block further includes a receiving groove, the insertion portion further includes an interface, and the contact end is exposed to the receiving groove and positioned within the interface. According to clause 15,
The connector further includes an elastic button connected to the terminal block, and when the connector is fitted into the noise canceling device, the elastic button is locked to the noise canceling device. According to clause 21,
The elastic button is
An interlocking part connected to the terminal block;
a ring-shaped buckle connected to the interlocking unit and located on one side of the interlocking unit; and
A noise canceling assembly further comprising a pressing part connected to the linking unit and located on the other side of the linking unit. According to clause 15,
The connector further includes a waterproof ring, the insertion portion further includes an annular groove, and the waterproof ring is installed in the annular groove.