JP6674116B1 - Electronics - Google Patents

Abstract

PROBLEM TO BE SOLVED: To obtain an electronic device and a speaker device having a novel structure capable of improving both sound quality and downsizing. SOLUTION: A speaker device 9 is a drive for vibrating a cone 91a (vibration plate) facing an opening 2s of a base casing 2 and a cone 91a aligned with the cone 91a in the Z direction (first direction). A speaker unit 91 having a portion 91b, a bottom wall 92a1 (second wall portion) in which the cone 91a is exposed, and a ceiling wall 92a2 (third wall portion) that is located away from the bottom wall 92a1 in the Z direction. An enclosure 92 having a base portion 92a containing at least a part of the cone 91a and a protruding portion 92b partially protruding from the base portion 92a in the Z direction and containing at least a part of the driving portion 91b. Have. [Selection diagram] FIG.

Description

The present invention relates to an electronic equipment.

  2. Description of the Related Art Conventionally, a speaker device including a speaker unit having a diaphragm and a driving unit that vibrates the diaphragm, and an enclosure accommodating the speaker unit has been known (for example, see Patent Document 1).

JP 2018-37841 A

  In this type of structure, for example, it would be beneficial if a new configuration that could achieve both improvement in sound quality and miniaturization could be obtained.

Therefore, an object of the present invention is to obtain an electronic equipment of a novel structure which can achieve both improvement and miniaturization of the sound quality.

  An electronic device according to a first aspect of the present invention includes a housing having a first wall provided with a first opening, and a housing accommodated in the housing and in a first direction intersecting the first wall. A speaker device arranged in line with the first opening, wherein the speaker device has a diaphragm facing the first opening, and a driving unit that vibrates the diaphragm arranged in the first direction with the diaphragm. And a second wall portion where the diaphragm is exposed and a third wall portion of the second wall portion which is spaced apart in the first direction. , And an enclosure having a projection partly projecting from the base part in the first direction and accommodating at least a part of the driving part.

  According to such a configuration, for example, a larger volume of the enclosure can be ensured and a larger speaker unit can be mounted on the enclosure as compared with a case where the protrusion is not provided. Further, since the protruding portion partially protrudes from the base portion, for example, other components of the electronic device can be arranged in a space around the protruding portion. Therefore, for example, it is easy to obtain an electronic device that can achieve both the improvement of the sound reproduction capability of the speaker device, that is, the improvement of the sound quality, and the downsizing of the housing in the first direction.

  The base portion extends in a second direction intersecting the first direction, and includes electronic device units arranged in the second direction of the protruding portion and in the first direction of the base portion. According to such a configuration, for example, a larger volume of the enclosure can be ensured by the base portion, and the electronic device unit is arranged using the space in the second direction of the protruding portion and the first direction of the base portion. Can be.

  The electronic device unit further includes a substrate arranged in a direction opposite to the second direction, and the substrate is provided with a second opening through which the protruding portion penetrates in the first direction. According to such a configuration, for example, using the second opening, the substrate can be arranged around the protrusion in the direction opposite to the electronic device unit in the second direction.

  In addition, the housing has a fourth wall portion that partitions the base portion and the board or the electronic device unit in the first direction, and the fourth wall portion has the protrusion in the first direction. Is provided with a third opening penetrating therethrough. According to such a configuration, for example, by using the third opening, the fourth wall portion that partitions the base portion and the board or the electronic device unit in the first direction can be arranged around the protruding portion.

According to this aspect of the present invention, it is possible to obtain an electronic equipment of a novel structure which can achieve both improvement and miniaturization of the sound quality.

FIG. 1 is an exemplary perspective view from the front side of the electronic device of the embodiment. FIG. 2 is an exemplary perspective view from the back side of the electronic device of the embodiment. FIG. 3 is an exemplary exploded perspective view of the base housing of the electronic apparatus according to the embodiment, as viewed from the rear side. Drawing 4 is an exemplary perspective view from the front side of a base case of an embodiment, and is a figure where a front cover, a rear cover, and a top cover are removed. FIG. 5 is an exploded perspective view of FIG. FIG. 6 is an exemplary perspective view of the speaker device of the electronic apparatus according to the embodiment. FIG. 7 is a YZ sectional view of the vicinity of the protruding portion in FIG.

  Hereinafter, exemplary embodiments of the present invention will be disclosed. The configurations of the embodiments described below, and the operations and effects provided by the configurations are examples. The present invention can be implemented by configurations other than those disclosed in the following embodiments. Further, according to the present invention, at least one of various effects (including derivative effects) obtained by the configuration can be obtained.

  In this specification, ordinal numbers are used only for distinguishing parts, members, parts, positions, directions, and the like, and do not indicate an order or a priority.

[Embodiment]
FIG. 1 is a perspective view of the electronic device 1 from the front side, and FIG. 2 is a perspective view of the electronic device 1 from the back side. In the following drawings, three directions orthogonal to each other are defined for convenience. The X direction is along the depth direction (front-back direction) of the electronic device 1, the Y direction is along the width direction (left and right direction, longitudinal direction) of the electronic device 1, and the Z direction is the height direction (up and down) of the electronic device 1. Direction). The Z direction is an example of a first direction, and the Y direction is an example of a second direction. In the following description, the X direction is also referred to as the front, the opposite direction to the X direction is also referred to as the rear, the Y direction is also referred to as the right direction, the opposite direction to the Y direction is also referred to as the left direction, the Z direction is upward, and the Z direction is opposite. The direction is also referred to as downward.

  As shown in FIGS. 1 and 2, the electronic device 1 is configured as, for example, an all-in-one (AIO) type desktop personal computer, and includes a base housing 2 and a display housing 3. . The display housing 3 accommodates a display unit 6, and the base housing 2 includes an ODD (optical disk drive) device 7 of the electronic device unit 4, a substrate 5 (see FIG. 3), a speaker device 9 described later, and the like. Is housed. The base housing 2 is an example of a housing. The electronic device 1 is not limited to this example. For example, a clamshell type (notebook type) personal computer, a video display device, a television receiver, a game machine, a video display control device, an information storage device For example, various electronic devices 1 including the speaker device 9 can be configured.

  As shown in FIGS. 1 and 2, the display housing 3 is supported by a top wall 2 b of the base housing 2. The display housing 3 has, for example, a front wall 3a on which the display screen 6a of the display unit 6 is exposed, and a rear wall 3b located on the opposite side of the display screen 6a. The display unit 6 is supported by the display housing 3 so that the display screen 6a is visible from the front (X direction). The display housing 3 and the base housing 2 are electrically connected to each other via a wiring member such as a cable (not shown).

  The base case 2 has, for example, a plurality of wall portions such as a bottom wall 2a, a top wall 2b, a front wall 2c, a left wall 2d, a rear wall 2e, a right wall 2f, and an inclined wall 2g. Both the bottom wall 2a and the top wall 2b extend along a direction (XY plane) orthogonal to the Z direction, and are provided in parallel with each other at intervals in the Z direction. The bottom wall 2a is provided with a plurality of support portions 2v that support the base housing 2 in a state separated from a mounting portion such as a desk, a table, or a shelf (not shown). The top wall 2b accommodates the above-described wiring member such as a cable, and is provided with a connection portion 2w (see FIG. 2) capable of mechanically connecting the base housing 2 and the display housing 3.

  Each of the left wall 2d and the right wall 2f extends along a direction (XZ plane) orthogonal to the Y direction, and is provided in parallel with an interval in the Y direction. Each of the front wall 2c and the rear wall 2e extends along a direction (YZ plane) orthogonal to the X direction, and is provided in parallel with each other at intervals in the X direction. The front wall 2c is provided with an open end 2r1 of a housing 2r in which the electronic device unit 4 is removably housed. The front wall 2c is provided with an operation unit such as a power button, a universal serial bus (USB) connector, various display lamps, and the like.

  The inclined wall 2g is provided between the left wall 2d and the rear wall 2e and between the right wall 2f and the rear wall 2e. In the present embodiment, the length of the rear wall 2e along the Y direction is set shorter than the length of the front wall 2c along the Y direction, that is, the distance between the left wall 2d and the right wall 2f. One of the inclined walls 2g connects the rear end of the left wall 2d and the left end of the rear wall 2e, and the other connects the rear end of the right wall 2f and the right end of the rear wall 2e. As a result, useless space in the base housing 2 is eliminated, and downsizing is achieved. The front wall 2c, the rear wall 2e, the left wall 2d, the right wall 2f, and the inclined wall 2g are also called side walls, peripheral walls, and the like.

  FIG. 3 is an exploded perspective view of the base housing 2 from the back side. As illustrated in FIG. 3, the electronic device unit 4 includes, for example, an ODD device 7 and a bracket 8 that fixes the ODD device 7 to the base housing 2. The ODD device 7 is an example of a unit main body. The ODD device 7 is also called an auxiliary storage device, an external storage device, or the like. The unit body is not limited to this example, and may be, for example, a hard disk drive (HDD) device, a fan device, a power supply device, or the like.

  The substrates 5 are arranged side by side to the left of the electronic device unit 4 (the direction opposite to the Y direction). A plurality of electronic components such as a CPU (central processing unit) are mounted on the upper surface of the substrate 5. At least a part of the control circuit of the electronic device 1 is configured by the wiring in the substrate 5 and the plurality of electronic components.

  FIG. 4 is a perspective view of the base case 2 from the front side, with the front cover 22, the rear cover 23, and the top cover 24 removed. FIG. 5 is an exploded perspective view of FIG. As shown in FIGS. 3 to 5, the base housing 2 is configured by combining a plurality of components (divided bodies).

  Specifically, the base housing 2 includes, for example, a case 21 (see FIG. 4), a front cover 22 (see FIGS. 1 and 3), a rear cover 23 (see FIG. 3), a top cover 24 (see FIG. 3), It has a tray 25 (see FIG. 5), a connection cover 26 (see FIG. 2) and the like. The connection cover 26 has at least a part of the connection portion 2w. The connection cover 26 covers the above-mentioned wiring member such as a cable from behind.

  As shown in FIG. 4, the case 21 has at least a bottom wall 2a, a left wall 2d, a right wall 2f, a sloping wall 2g, and an inner part 2e1, which is a part of the rear wall 2e. ing. As shown in FIG. 5, the thickness of the inner portion 2e1 in the X direction is smaller than the thickness of the end of the inclined wall 2g in the X direction. In other words, between the inclined wall 2g and the inner portion 2e1, there is provided a concave portion (step) which is concave forward (X direction) and opened rearward.

  As shown in FIG. 3, the rear cover 23 has at least an outer portion 2e2 which is a part of the rear wall 2e. The thickness of the outer portion 2e2 in the X direction is substantially the same as the depth of the recess (step) described above in the X direction. The rear cover 23 is integrated with the case 21 in a state where the concave portion (step) of the case 21 is closed.

  The front cover 22 has at least a front wall 2c, and the top cover 24 has at least a top wall 2b and a part of the connection portion 2w. The case 21, the front cover 22, the rear cover 23, the top cover 24, the tray 25, and the connection cover 26 (see FIG. 2) are connected to each other by, for example, a connector, welding, an adhesive, or the like.

  As shown in FIGS. 4 and 5, the tray 25 has, for example, a plurality of wall portions such as a bottom wall 25a, a left wall 25b, a right wall 25c, a middle wall 25d, and a rear wall 25e. The bottom wall 25a is located between the bottom wall 2a and the top wall 2b of the base housing 2, and extends between the front wall 2c and the rear wall 2e. The bottom wall 25a is parallel to the bottom wall 2a and the top wall 2b. The bottom wall 25a partitions the inside of the base housing 2 into a plurality of spaces (accommodating portions) in the Z direction.

  In the present embodiment, a space below the bottom wall 25a accommodates a base portion 92a (see FIG. 5), which is a part of an enclosure 92 of the speaker device 9 described later, and the like. In a space above the bottom wall 25a, a protruding portion 92b which is a part of the enclosure 92, the board 5, the electronic device unit 4, and the like are accommodated. The bottom wall 25a is also called a partition wall, a partition wall, a shelf wall, or the like.

  The rear wall 25e protrudes upward (Z direction) from the rear end of the bottom wall 25a. The rear wall 25e is parallel to the rear wall 2e of the base housing 2. The rear wall 25e is overlapped with the inner portion 2e1 of the rear wall 2e inside the base housing 2. In other words, the rear wall 25e forms a part of the rear wall 2e. The rear wall 25e is provided with a protruding wall 25f for suppressing deformation of the bracket 8.

  The left wall 25b protrudes upward from the left end of the bottom wall 25a. The left wall 25b is parallel to the left wall 2d of the base case 2. The left wall 25b is located between the left wall 2d and the middle wall 25d, and extends between the bottom wall 25a and the top wall 2b. The left wall 25b divides the inside of the base housing 2 into the space on the substrate 5 side and the space on the opposite side of the substrate 5 in the Y direction.

  The right wall 25c protrudes upward from the right end of the bottom wall 25a. The right wall 25c is parallel to the right wall 2f of the base housing 2. The right wall 25c is located between the right wall 2f and the middle wall 25d, and extends between the bottom wall 25a and the top wall 2b. The right wall 25c divides the inside of the base housing 2 in the Y direction into a housing 2r as a space on the side of the electronic device unit 4 and a space on the opposite side of the electronic device unit 4.

  The middle wall 25d protrudes upward from a substantially central portion of the bottom wall 25a in the Y direction. The middle wall 25d is parallel to the left wall 25b and the right wall 25c. The middle wall 25d is located between the left wall 25b and the right wall 25c, and extends between the bottom wall 25a and the top wall 2b. The middle wall 25d divides the inside of the base housing 2 in the Y direction into the above-described space on the substrate 5 side and the accommodation section 2r on the electronic device unit 4 side.

  Therefore, the housing portion 2r is surrounded by the bottom wall 25a, the middle wall 25d, the right wall 25c, the rear wall 25e, the rear wall 2e of the base housing 2, the top wall 2b, and the like of the tray 25, and is directed forward (X direction). Open to the public. The housing 2r is connected to an open end 2r1 (opening) provided on the front wall 2c (see FIG. 1). The left wall 25b, the right wall 25c, and the middle wall 25d are also called partition walls, partition walls, and the like. The housing 2r is provided with a connector 11 that can be mechanically and electrically connected to the connector of the electronic device unit 4. The board 5 and the electronic device unit 4 are located side by side in the Y direction.

  Next, the speaker device 9 will be described in more detail. FIG. 6 is a perspective view of the speaker device 9. FIG. 7 is a YZ sectional view of the vicinity of the protruding portion 92b in FIG. The speaker device 9 includes, for example, a speaker unit 91 (see FIG. 7) and an enclosure 92 (see FIG. 6).

  As shown in FIG. 7, the speaker unit 91 has, for example, a cone 91a and a driving unit 91b. The cone 91a faces an opening 2s provided in the bottom wall 2a of the case 21. The diameter of the cone 91a is substantially the same as the diameter of the opening 2s. The cone 91a is an example of a diaphragm. The diaphragm is not limited to this example, and may be, for example, a double cone type, a dome type, a horn type, or the like.

  The opening 2s is configured as, for example, a portion where a plurality of small holes 2s1 provided in the bottom wall 2a are gathered. Each of the small holes 2s1 penetrates the bottom wall 2a in the Z direction. The opening 2s is also referred to as an opening area, a sound outlet, or the like. The opening 2s is an example of a first opening, and the bottom wall 2a is an example of a first wall.

  The drive unit 91b is located above the cone 91a. The drive unit 91b includes, for example, a ring-shaped magnet, a voice coil inserted at the center of the magnet, and the like. The drive unit 91b mechanically vibrates the cone 91a according to an acoustic signal. The driving section 91b is also called an electromagnet section or the like.

  As shown in FIG. 6, the enclosure 92 has, for example, a base portion 92a and a protruding portion 92b. The base portion 92a is formed in a rectangular parallelepiped box shape thin in the Z direction. The base portion 92a has a plurality of wall portions such as a bottom wall 92a1, a top wall 92a2, a side wall 92a3, and an end wall 92a4.

  Both the bottom wall 92a1 and the top wall 92a2 extend along a direction (XY plane) orthogonal to the Z direction, and are provided in parallel with each other at intervals in the Z direction. The bottom wall 92a1 is provided with an opening 93 through which the cone 91a (see FIG. 7) is exposed downward. The opening 93 is aligned with the opening 2s in the Z direction. The bottom wall 92a1 is an example of a second wall, and the top wall 92a2 is an example of a third wall.

  Each of the pair of side walls 92a3 (see FIG. 6) extends along a direction (YZ plane) orthogonal to the X direction, and is provided in parallel with each other at intervals in the X direction. Each of the pair of end walls 92a4 extends along a direction (XZ plane) orthogonal to the Y direction, and is provided in parallel with an interval in the Y direction. The side wall 92a3 and the end wall 92a4 are also called peripheral walls and the like.

  The side wall 92a3 and the end wall 92a4 are each provided with a notch 94. The cutout portion 94 is formed, for example, in a substantially U-shape that is recessed toward the center of the base portion 92a and opened toward the side opposite to the center when viewed in the Z direction. The upper part of the notch 94 is open, and the lower part faces the bottom wall 92a1. As shown in FIGS. 6 and 7, the notch 94 accommodates a connector 95 such as a screw for connecting the bottom wall 92 a 1 and the bottom wall 2 a of the case 21.

  The protrusion 92b protrudes upward from the top wall 92a2. The protruding portion 92b is formed in a cylindrical shape along the driving portion 91b (magnet). That is, the protrusion 92b is partially provided on the top wall 92a2. The diameter of the protrusion 92b is substantially the same as the diameter of the opening 2s (opening area).

  In the present embodiment, at least a part of the driving part 91b of the speaker unit 91 is accommodated in the protruding part 92b, and at least a part of the cone 91a is accommodated in the base part 92a. In other words, the enclosure 92 accommodates the speaker unit 91 having a size larger than the height of the base 92a in the Z direction by the protrusion 92b.

  Further, as shown in FIG. 6, the protruding portion 92b is positioned to the left from the center of the base portion 92a in the Y direction. In other words, the base portion 92a extends to the right (Y direction) from the protruding portion 92b. As a result, the volume of the enclosure 92, for example, the volume of the recess around the protrusion 92b is secured.

  Further, as shown in FIGS. 5 and 7, in the present embodiment, an opening 25g through which the protruding portion 92b penetrates in the Z direction is provided on the bottom wall 25a of the tray 25. The opening 25g is located at the center between the left wall 25b in which the substrate 5 is accommodated and the middle wall 25d. The opening 25g is an example of a third opening, and the bottom wall 25a is an example of a fourth wall.

  In addition, the substrate 5 is provided with an opening 5a through which the protrusion 92b penetrates in the Z direction. The opening 5a is aligned with the opening 25g in the Z direction. The opening 5a is provided at the center of the substrate 5 and communicates with a notch 5b obtained by cutting a corner of the substrate 5. The opening 5a is an example of a second opening. The openings 25g and 5a are also called relief holes or the like.

  As shown in FIG. 5, the openings 25g and 5a are formed in a circular shape along the periphery of the protrusion 92b. In the present embodiment, for example, the movement of the tray 25 and the substrate 5 to the XY plane with respect to the speaker device 9 (case 21) is restricted by the contact between the edges of the openings 25g and 5a and the protrusion 92b. . That is, the edges of the openings 25g and 5a and the protruding portion 92b are examples of a positioning portion.

  Further, a base metal plate 27 is provided below the tray 25. The base sheet metal 27 protrudes upward from the bottom wall 2a and extends along the side wall 92a3 and the end wall 92a4 (see FIG. 6) of the base portion 92a. The base sheet metal 27 is configured in a substantially U-shape that is open rearward when viewed in the Z direction.

  As shown in FIGS. 4 and 5, in the present embodiment, when the speaker device 9 is attached to the case 21, the base 92 a includes the base sheet metal 27, the bottom wall 2 a and the rear wall 2 e of the case 21, The tray 25 is housed in a space surrounded by the bottom wall 25a. The protruding portion 92b is accommodated in a space surrounded by the bottom wall 25a of the tray 25, the edges of the openings 25g and 5a, and the top wall 2b of the top cover 24.

  As described above, in the present embodiment, the speaker device 9 includes the cone 91a (diaphragm) facing the opening 2s (first opening) of the base housing 2, the cone 91a and the Z direction (first direction). , A speaker unit 91 having a driving unit 91b for vibrating the cone 91a, a bottom wall 92a1 (second wall) where the cone 91a is exposed, and a ceiling located away from the bottom wall 92a1 in the Z direction. A base portion 92a including the wall 92a2 (third wall portion) and accommodating at least a portion of the cone 91a, a projecting portion 92b partially projecting in the Z direction from the base portion 92a and accommodating at least a portion of the driving portion 91b, And an enclosure 92 having

  According to such a configuration, for example, a larger volume of the enclosure 92 can be ensured and a larger speaker unit 91 can be mounted on the enclosure 92 as compared with a case where the protrusion 92b is not provided. Further, since the protrusion 92b partially protrudes from the base 92a, for example, other components of the electronic device 1 can be arranged in a space around the protrusion 92b. Therefore, for example, it is easy to obtain the electronic device 1 that can achieve both the improvement of the bass reproduction capability of the speaker device 9 and the improvement of the sound quality and the miniaturization of the base housing 2 in the Z direction.

  Further, in the present embodiment, the base portion 92a extends in the Y direction (second direction) intersecting with the Z direction, and the electronic devices 1 are arranged in the Y direction of the protruding portion 92b and the Z direction of the base portion 92a. An electronic device unit 4 is provided. According to such a configuration, for example, a larger volume of the enclosure 92 can be ensured by the base portion 92a, and the electronic device unit 4 can be mounted using the space in the Y direction of the protruding portion 92b and the Z direction of the base portion 92a. Can be arranged.

  Further, in the present embodiment, the electronic device 1 includes the substrate 5 arranged in the direction opposite to the Y direction with the electronic device unit 4, and the substrate 5 has an opening 5 a (second Opening). According to such a configuration, for example, the substrate 5 can be arranged around the protruding portion 92b in the direction opposite to the Y direction with the electronic device unit 4 using the opening 5a.

  Further, in the present embodiment, the base housing 2 has a bottom wall 25a (fourth wall portion) that partitions the base portion 92a, the board 5, and the electronic device unit 4 in the Z direction. An opening 25g (third opening) through which the portion 92b penetrates in the Z direction is provided. According to such a configuration, for example, using the opening 25g, the bottom wall 25a that partitions the base 92a, the board 5, and the electronic device unit 4 in the Z direction can be arranged around the protrusion 92b. .

  As described above, the embodiment of the present invention has been exemplified, but the above embodiment is an example, and is not intended to limit the scope of the invention. The above embodiments can be implemented in other various forms, and various omissions, replacements, combinations, and changes can be made without departing from the spirit of the invention. In addition, the specifications (structure, type, direction, type, size, length, width, thickness, height, number, arrangement, position, material, etc.) of each configuration, shape, etc. may be changed as appropriate. Can be implemented.

  For example, the first opening (sound emission port) is not limited to the bottom wall of the base housing, and may be provided on a front wall, a top wall, or the like of the base housing.

  DESCRIPTION OF SYMBOLS 1 ... Electronic device, 2 ... Base housing | casing (housing), 2a ... Bottom wall (1st wall part), 2s ... Opening (1st opening), 4 ... Electronic equipment unit, 5 ... Substrate, 5a ... Opening Part (second opening), 9 speaker device, 25a bottom wall (fourth wall), 25g opening (third opening), 91 speaker unit, 91a cone (diaphragm), 91b ... Drive part, 92 ... enclosure, 92a ... base part, 92a1 ... bottom wall (second wall part), 92a2 ... top wall (third wall part), 92b ... projecting part, Y ... second direction, Z ... first direction .

Claims (3)

A housing having a first wall provided with a first opening,
A speaker device housed in the housing and aligned with the first opening in a first direction intersecting with the first wall,
With
The speaker device,
A speaker unit having a diaphragm facing the first opening, a driving unit arranged in the first direction and vibrating the diaphragm,
A base portion that includes at least a portion of the diaphragm, including a second wall portion where the diaphragm is exposed and a third wall portion that is positioned in the second direction in the second wall portion and is separated from the second wall portion; A projection partly protruding from the portion in the first direction and housing at least a part of the driving unit,
Have a,
The base portion extends in a second direction crossing the first direction,
An electronic device, comprising: electronic device units arranged in the second direction of the protruding portion and in the first direction of the base portion . The electronic device unit includes a substrate arranged in a direction opposite to the second direction,
The electronic device according to claim 1 , wherein the substrate is provided with a second opening through which the protrusion penetrates in the first direction. The housing has a fourth wall section that partitions the base section and the board or the electronic device unit in the first direction,
The electronic device according to claim 2 , wherein the fourth wall portion is provided with a third opening through which the protrusion penetrates in the first direction.

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