JP2021157739A - Security device - Google Patents

Abstract

To provide a housing structure which is adapted to a security device and whose soundproof opening is unobtrusive.SOLUTION: A security device includes a housing including a first case disposed on one side in a first direction and a second case disposed on the other side in the first direction of the first case, and a sound output unit that is stowed in the housing and outputs sounds. The first case has an opposing part opposed to a peripheral wall of the second case in the first direction. The opposing part has a first concave part separated from a tip of the peripheral wall of the second case with a gap between them. The housing has a soundproof passage at least part of which is formed with the gap and which releases a sound, which is outputted from the sound output unit, to the outside of the housing.SELECTED DRAWING: Figure 2

Description

The present disclosure relates to a security device.

Patent Document 1 discloses an alarm device that generates a notification sound by a notification sound generation unit housed in a device main body when a breakage of a window glass is detected. In this alarm device, a sound emitting hole that emits a notification sound to the outside of the device main body is provided so as to penetrate the front wall portion of the device main body.

Japanese Unexamined Patent Publication No. 2008-282361

In the alarm device described above, a sound emitting hole is provided in a conspicuous front portion. When a device for managing security, such as an alarm device, is installed indoors, the conspicuous sound emitting holes may spoil the aesthetic appearance of the room. In addition, foreign matter may be inserted through the sound emitting hole, and the electronic components and the like housed in the housing may be damaged. Therefore, a housing structure in which the sound emitting holes are inconspicuous is desired.

The present disclosure can be realized in the following forms.

(1) According to one form of the present disclosure, a security device is provided. This security device includes a housing having a first case arranged on one side of the first direction, a second case arranged on the other side of the first direction with respect to the first case, and the housing. It is provided with a sound output unit that is housed in the body and outputs sound. The first case has a facing portion facing the outer peripheral wall of the second case in the first direction, and the facing portion has a gap between the facing portion and the tip end portion of the outer peripheral wall of the second case. The housing has a first recess to be arranged, and the housing has a sound emitting passage in which at least a part thereof is formed by the gap and the sound output from the sound output unit is emitted to the outside of the housing.
According to this form of security device, since the sound emitting passage can be formed by using the gap between the first case and the second case, the sound emitting passage can be made inconspicuous.
(2) In the security device of the above embodiment, the facing portion may be provided at the tip end portion of the outer peripheral wall of the first case.
According to this form of security device, the sound emitting passage can be made inconspicuous in the housing in which the outer peripheral walls are provided in both the first case and the second case.
(3) In the security device of the above embodiment, the facing portion has a first convex portion, and the tip end portion of the outer peripheral wall of the second case has a second convex portion and a second concave portion. The convex portion is arranged between the second convex portion and the second concave portion with the gap forming a part of the sound emitting passage, and the second convex portion is with the first concave portion. It may be arranged with the gap forming a part of the sound emitting passage between them.
According to this form of security device, the sound emitting passage can be made inconspicuous by the first convex portion and the second convex portion.
(4) In the security device of the above embodiment, the sound emitting passage is an entrance of the gap on the inner surface of the housing, and the sound introduction port for introducing the sound output from the sound output unit and the housing. It is an outlet of the gap on the outer surface of the above, and has a sound emitting port that emits the sound introduced from the sound introducing port, and the housing is when the sound emitting path is viewed from the sound emitting port. , At least a part of the tip of the outer peripheral wall of the second case may be visible, and the sound introduction port may be invisible.
According to this form of security device, since the color of the housing is visually recognized from any position outside the housing, it is possible to prevent the sound emitting passage from being conspicuous because the inside of the housing looks dark through the gap. Further, even if a rod-shaped foreign matter is inserted into the sound emitting passage from the sound emitting port, it is possible to suppress the foreign matter from entering the sound introduction port.
(5) In the security device of the above embodiment, the first case has a contact portion where the tip end portion of the outer peripheral wall of the second case is arranged in contact with the first case, and the housing is continuous with the sound emitting passage. It may have a groove-shaped portion provided along the contact portion so as to be used.
According to this form of security device, it is possible to give the person who looks at the housing 20 the impression that only the groove-shaped portion is provided instead of the sound emitting passage. It can be made less noticeable.
The present disclosure can also be realized in various forms other than the security device. For example, it can be realized in the form of a housing of a security device or the like.

Explanatory drawing which shows the schematic structure of the security system. The perspective view which shows the schematic structure of the security device of 1st Embodiment. The side view which shows the schematic structure of the security device of 1st Embodiment. FIG. 3 is a sectional view taken along line IV-IV of the security device of FIG. A partially enlarged view of the V portion of FIG. FIG. 3 is a sectional view taken along line VI-VI of the security device of FIG.

A. First Embodiment:
FIG. 1 is an explanatory diagram showing a schematic configuration of a security system 100 including the security device 10 according to the first embodiment. In the present embodiment, the security system 100 includes a controller 110, a sensor 120, an alarm lamp 130, and an alarm buzzer 140 in addition to the security device 10. The security system 100 has a security mode and a normal mode as operation modes. When, for example, an abnormality in the house is detected by the sensor 120 in the security mode, the controller 110 notifies the security company 200 contracted in advance that the abnormality has been detected, and turns on the alarm lamp 130 to give an alarm. Sound the buzzer 140.

In the present embodiment, the security device 10 is fixed to the wall surface in the entrance of the house and is used to switch the operation mode of the security system 100. The security device 10 includes a control unit 11, an operation unit 12, a communication unit 13, and a sound output unit 14. The control unit 11 is configured as a computer equipped with a CPU and a memory, and controls the entire operation of the security device 10 including the sound output unit 14. The operation unit 12 is composed of push buttons. The sound output unit 14 is composed of a speaker. The communication unit 13 is configured to be able to communicate with the controller 110 by wired communication or wireless communication.

When the operation unit 12 receives an operation from the user, the control unit 11 transmits a request signal for executing the switching of the operation mode to the controller 110 via the communication unit 13. Upon receiving the request signal, the controller 110 executes the operation mode switching, and transmits a response signal for notifying that the operation mode switching has been executed to the security device 10. When the control unit 11 receives the response signal via the communication unit 13, the control unit 11 causes the sound output unit 14 to output the voice stored in advance. For example, when the normal mode is switched to the security mode, the control unit 11 causes the sound output unit 14 to output the voice "switched to the security mode".

FIG. 2 is a perspective view showing a schematic configuration of the security device 10 according to the present embodiment. The housing 20 of the security device 10 is configured in a box shape having a front surface portion 21, a right side surface portion 22, an upper side surface portion 23, a left side surface portion 24, a lower side surface portion 25, and a back surface portion 26. The operation unit 12 described above is provided on the front surface portion 21, and the control unit 11, the sound output unit 14, and the communication unit 13 are housed in the housing 20. The security device 10 is fixed so that the lower side surface portion 25 faces the direction of gravity and the back surface portion 26 faces the wall surface in the entrance. The right side surface portion 22 is provided with an outlet portion of a sound emitting passage 50 that emits the sound output by the sound output unit 14 to the outside of the housing 20. Groove-shaped portions 60 are provided on the side surface portions 22 to 25. The detailed configuration of the sound emitting passage 50 and the groove-shaped portion 60 will be described later.

In FIG. 2, arrows indicating the X, Y, and Z directions orthogonal to each other are shown. The X and Y directions are parallel to the horizontal plane, and the Z direction is opposite to the gravitational direction. The arrows indicating the X, Y, and Z directions are appropriately shown in other drawings so that the directions shown correspond to those in FIG. 2. In the following explanation, when specifying the direction, the positive direction, which is the direction indicated by the arrow, is defined as "+", and the negative direction, which is the direction opposite to the direction indicated by the arrow, is defined as "-". Use both positive and negative signs.

FIG. 3 is a side view showing a schematic configuration of the security device 10 according to the present embodiment. In FIG. 3, the security device 10 is shown so that the back surface portion 26 is arranged on the lower side of FIG. 3 in order to facilitate the understanding of the technique. As shown in FIG. 3, the back surface portion 26 is provided with a protrusion 29 used for positioning or the like when the security device 10 is attached to a wall surface in the entrance.

As shown in FIGS. 2 and 3, in the present embodiment, the housing 20 is composed of a first case 30 and a second case 40. The first case 30 has a first base portion 31 and a first outer peripheral wall 32 protruding from the outer peripheral edge of the first base portion 31 toward the + X direction. The second case 40 has a second base portion 41 and a second outer peripheral wall 42 protruding from the outer peripheral edge of the second base portion 41 toward the −X direction side. The first base 31 constitutes the front surface 21 of the housing 20, and the second base 41 constitutes the back surface 26 of the housing 20. Each side surface portion 22 to 25 of the housing 20 is composed of the first outer peripheral wall 32 and the second outer peripheral wall 42. The first case 30 and the second case 40 are fixed to each other by screws or the like. The first case 30 and the second case 40 are each made of a resin material formed by injection molding.

FIG. 4 is a sectional view taken along line IV-IV of the security device 10 of FIG. The sound output unit 14 is supported by a support member 70 provided inside the housing 20. The support member 70 is fixed to the second case 40 with screws or the like. In the present embodiment, it is released by the internal space SP between the sound output unit 14 and the support member 70, and the gap GP between the tip portion of the first outer peripheral wall 32 and the tip portion of the second outer peripheral wall 42, which will be described later. The sound passage 50 is formed.

FIG. 5 is a partially enlarged view of the V portion of FIG. The first case 30 has an opposing portion 35 facing the second outer peripheral wall 42 of the second case 40 in the X direction. In the present embodiment, the facing portion 35 is provided at the tip end portion of the first outer peripheral wall 32. The facing portion 35 is provided with a first convex portion 36 and a first concave portion 37. The first convex portion 36 is provided outside the housing 20 with respect to the first concave portion 37, and is provided so as to protrude from the first concave portion 37 toward the second base 41 side of the second case 40. ..

A second convex portion 46 and a second concave portion 47 are provided at the tip of the second outer peripheral wall 42. The second convex portion 46 is provided inside the housing 20 with respect to the second concave portion 47, and is provided so as to protrude from the second concave portion 47 toward the first base portion 31 side of the first case 30. .. The second convex portion 46 is arranged so that a part of the second convex portion 46 overlaps with the first convex portion 36 when viewed along the Y direction.

The first convex portion 36 is arranged with a gap GP between the second convex portion 46 and the second concave portion 47, and the second convex portion 46 is arranged with the first convex portion 36 and the first concave portion 37. It is arranged with a gap GP in between. The gap GP is wider than a minute gap created due to a dimensional tolerance between the contact portion 39 provided at the tip end portion of the first outer peripheral wall 32 and the tip end portion of the second outer peripheral wall 42, which will be described later. As described above, a part of the sound emitting passage 50 is formed by the gap GP.

The sound emitting passage 50 has a sound introduction port 51 which is an inlet of the gap GP on the inner surface of the housing 20 and a sound emitting port 52 which is an outlet of the gap GP on the outer surface of the housing 20. In the present embodiment, the sound introduction port 51 is provided between the second convex portion 46 and the first concave portion 37. The sound emission port 52 is provided between the first convex portion 36 and the second concave portion 47. The sound introduction port 51 introduces the sound output from the sound output unit 14 into the gap GP, and the sound emission port 52 emits the sound introduced into the gap GP from the sound introduction port 51 to the outside of the housing 20.

When the inside of the sound emitting passage 50 is viewed from the sound emitting port 52, the housing 20 can visually recognize at least one of the first convex portion 36 and the second convex portion 46, and introduces sound. The mouth 51 is configured to be invisible. Specifically, as shown in FIG. 4, the housing 20 passes through the end portion P1 on the + Y direction side of the second concave portion 47 and the end portion P2 on the −Y direction side of the tip end portion of the first convex portion 36. The straight line LN is configured to penetrate the second convex portion 46 and pass outside the opening of the sound introduction port 51.

As shown in FIG. 5, in the present embodiment, the thickness t1 of the tip of the first convex portion 36 is the same as the thickness t2 of the tip of the second convex portion 46. The length L1 of the first convex portion 36 in the X direction is the same as the length L2 of the second convex portion 46 in the X direction. The length L1 of the first convex portion 36 in the X direction is longer than the height H2 of the sound emission port 52 in the X direction. The length L2 of the second convex portion 46 in the X direction is longer than the height H1 of the sound introduction port 51 in the X direction. The height H1 of the sound emitting port 52 in the X direction is the same as the height H2 of the sound introducing port 51 in the X direction. The inner surface of the first convex portion 36 and the outer surface of the second convex portion 46 are arranged in parallel. The width W1 between the inner surface of the first convex portion 36 and the outer surface of the second convex portion 46 is the thickness t1 of the first convex portion 36 in the X direction and the thickness t2 of the second convex portion 46 in the X direction. Is the same as. Therefore, since a sufficient width of the gap GP can be secured, the sound output from the sound output unit 14 can be efficiently emitted to the outside of the housing 20 through the gap GP.

FIG. 6 is a sectional view taken along line VI-VI of the security device 10 of FIG. In FIG. 6, the sound emitting passage 50 projected on the cross section is represented by a chain double-dashed line in order to facilitate the understanding of the technique. The tip portion of the first outer peripheral wall 32 has a contact portion 39 in which the tip portion of the second outer peripheral wall 42 is arranged in contact with the tip portion. To be arranged in contact means that the tip portion of the first outer peripheral wall 32 is arranged with a minute gap caused by a dimensional tolerance between the tip portion of the first outer peripheral wall 32 and the tip portion of the second outer peripheral wall 42. It also includes the meaning. In the present embodiment, a step portion 48 for connecting the second convex portion 46 and the second concave portion 47 in a stepped manner is provided at the tip portion of the second outer peripheral wall 42, and is provided at the tip portion of the first outer peripheral wall 32. The contact portion 39 is formed by reducing the first concave portion 37 so as to come into contact with the step portion 48. The groove-shaped portion 60 described above is partitioned by the tip of the first convex portion 36, the second concave portion 47, and the stepped portion 48. The contact portion 39 is provided on each side surface portion 22 to 25, and the groove-shaped portion 60 is formed on each side surface portion 22 to 25 along the contact portion 39. In the right side surface portion 22, a groove-shaped portion 60 is formed so as to be continuous with the sound emitting passage 50.

As shown in FIG. 3, in the present embodiment, the sound emission port 52 has a trapezoidal opening shape when viewed from the outside of the housing 20. The height H2 of the sound emitting port 52 in the X direction is higher than the height H3 of the groove-shaped portion 60 in the X direction. In the present embodiment, the height H2 of the sound emitting port 52 in the X direction is three times the height H3 of the groove-shaped portion 60 in the X direction. The width W2 of the sound emission port 52 in the Z direction is wider than the height H2 of the sound emission port 52 in the X direction. In the present embodiment, the width W2 of the sound emission port 52 in the Z direction is 10 times or more the height H2 of the sound emission port 52 in the X direction. Therefore, the sound output from the sound output unit 14 can be efficiently emitted from the sound emission port 52 to the outside of the housing 20. The height H2 of the sound emitting port 52 in the X direction may be the same as the height H3 of the groove-shaped portion 60 in the X direction.

According to the security device 10 of the present embodiment described above, the gap GP provided in the right side surface portion 22 which is less visible to the user or the like than the front portion 21 is used as a part of the sound emitting passage 50. Therefore, the sound emitting passage 50 can be made inconspicuous as compared with the form in which the sound emitting passage 50 is provided on the front portion 21 of the housing 20 that is easily visible to the user or the like. Further, since the gap GP between the first case 30 and the second case 40 is used as a part of the sound emitting passage 50, the gap GP may be used for sound generation for a person who looks at the housing 20. No, for example, the impression that it is a gap provided for decoration at the joint between the first case 30 and the second case 40, and the work for removing the first case 30 from the second case 40 at the time of maintenance. It can give the impression that it is a gap for maintenance. Therefore, the sound emitting passage 50 can be made inconspicuous as compared with the form in which the through holes used for sound generation are formed in the first case 30 and the second case 40. In particular, in the present embodiment, when the first case 30 and the second case 40 constituting the housing 20 are molded by injection molding, the sound emitting passage 50 bent at low cost is provided in the housing 20 without using a slide core. Can be provided in.

Further, in the present embodiment, when the housing 20 is viewed along the Y direction, a part of the second convex portion 46 provided at the tip end portion of the second outer peripheral wall 42 is the tip end portion of the first outer peripheral wall 32. The housing 20 is configured so as to overlap the first convex portion 36 provided on the portion. Therefore, the gap GP between the first convex portion 36 and the second convex portion forming a part of the sound emitting passage 50 can be made inconspicuous.

Further, in the present embodiment, when the sound emitting passage 50 is viewed from the sound emitting port 52, at least one of the first convex portion 36 and the second convex portion 46 can be visually recognized and the sound can be seen. The housing 20 is configured so that the introduction port 51 cannot be visually recognized. Therefore, since the color of the housing 20 is visible from any position outside the housing 20, it is possible to prevent the sound emitting passage 50 from being conspicuous due to the inside of the housing 20 appearing dark through the gap GP. .. Further, even if a rod-shaped foreign matter is inserted from the sound emission port 52, the foreign matter is restricted from entering the housing 20 by the first convex portion 36 and the second convex portion 46, so that the foreign matter enters the sound introduction port 51. Can be suppressed from reaching. Therefore, it is possible to prevent the electronic devices in the housing 20 such as the control unit 11 and the sound output unit 14 from being damaged due to the insertion of foreign matter. In particular, in the present embodiment, since the inside of the housing 20 looks dark through the gap GP can be suppressed by the first convex portion 36 and the second convex portion 46, it is possible to suppress an increase in the number of parts.

Further, in the present embodiment, the housing 20 is provided with a groove-shaped portion 60 so as to be continuous with the sound emitting passage 50. Therefore, it is possible to give the person who looks at the housing 20 the impression that the housing 20 is not provided with the sound emitting passage 50 but is provided with the groove-shaped portion 60. The sound passage 50 can be made less noticeable.

B. Another Embodiment (B1) In the security device 10 of the above-described embodiment, one gap GP constituting the sound emitting passage 50 is provided on the right side surface portion 22 of the housing 20. On the other hand, one gap GP may be provided in the upper side surface portion 23, the left side surface portion 24, or the lower side surface portion 25 instead of the right side surface portion 22 of the housing 20. Further, a plurality of gap GPs may be provided on the right side surface portion 22, and one or more gap GPs may be provided on two or more of the right side surface portion 22, the upper side surface portion 23, the left side surface portion 24, and the lower side surface portion 25. A plurality of them may be provided at a time.

(B2) In the security device 10 of the above-described embodiment, the first case 30 constituting the housing 20 is provided with the first outer peripheral wall 32, and the second case 40 is provided with the second outer peripheral wall 42. ing. On the other hand, either one of the first outer peripheral wall 32 and the second outer peripheral wall 42 may not be provided. For example, the first case 30 is not provided with the first outer peripheral wall 32, but the first concave portion 37 is provided in the facing portion 35 of the first base portion 31, and the first concave portion 37 and the tip end portion of the second outer peripheral wall 42 are provided. A gap GP forming the sound emitting passage 50 may be provided between the two.

(B3) In the security device 10 of the above-described embodiment, the first case 30 has a first convex portion 36 at the tip end portion of the first outer peripheral wall 32, and the second case 40 has a second outer peripheral wall 42. A second convex portion 46 and a second concave portion 47 are provided at the tip end portion of the above. On the other hand, the first case 30 may not have the first convex portion 36, and the second case 40 may not have the second convex portion 46 and the second concave portion 47. For example, the first case 30 is not provided with the first outer peripheral wall 32, but the first recess 37 is provided in the facing portion 35 of the first base portion 31, and the tip portion of the second outer peripheral wall 42 of the second case 40 is provided. The second convex portion 46 and the second concave portion 47 may not be provided, and a gap GP forming a sound emitting passage 50 may be provided between the first concave portion 37 and the tip end portion of the second outer peripheral wall 42.

(B4) In the security device 10 of the above-described embodiment, the first convex portion 36 is provided outside the housing 20 with respect to the first concave portion 37, and the second convex portion 46 is provided with respect to the second concave portion 47. It is provided inside the housing 20. On the other hand, even if the first convex portion 36 is provided inside the housing 20 with respect to the first concave portion 37, and the second convex portion 46 is provided outside the housing 20 with respect to the second concave portion 47. good.

(B5) In the security device 10 of the above-described embodiment, the housing 20 is configured so that the sound introduction port 51 cannot be visually recognized when the inside of the sound emission passage 50 is viewed from the sound emission port 52. .. On the other hand, the housing 20 may be configured so that a part of the sound introduction port 51 can be visually recognized when the inside of the sound emission passage 50 is viewed from the sound emission port 52.

(B6) In the security device 10 of the above-described embodiment, the housing 20 is provided with a groove-shaped portion 60. On the other hand, the housing 20 may not be provided with the groove-shaped portion 60.

(B7) In the security device 10 of the above-described embodiment, a contact portion 39 that contacts the tip of the second outer peripheral wall 42 of the second case 40 is provided at the tip of the first outer peripheral wall 32 of the first case 30. The first case 30 is supported by the second case 40 via the contact portion 39. On the other hand, the tip portion of the first outer peripheral wall 32 may not be provided with a portion that comes into contact with the tip portion of the second outer peripheral wall 42. For example, a member connecting the first base portion 31 and the second base portion 41 may be provided in the housing 20, and the first case 30 may be supported by the second case 40 via this member.

The present disclosure is not limited to the above-described embodiment, and can be realized by various configurations within a range not deviating from the gist thereof. For example, the technical features in the embodiments corresponding to the technical features in each form described in the column of the outline of the invention may be used to solve some or all of the above-mentioned problems, or one of the above-mentioned effects. It is possible to replace or combine as appropriate to achieve part or all. Further, if the technical feature is not described as essential in the present specification, it can be deleted as appropriate.

10 ... Security device, 11 ... Control unit, 12 ... Operation unit, 13 ... Communication unit, 14 ... Sound output unit, 20 ... Housing, 21 ... Front part, 22 ... Right side surface, 23 ... Upper side surface, 24 ... Left side Face portion, 25 ... Lower side surface portion, 26 ... Back surface portion, 29 ... Projection portion, 30 ... First case, 31 ... First base portion, 32 ... First outer peripheral wall, 35 ... Opposing portion, 36 ... First convex portion, 37 ... 1st concave portion, 39 ... contact portion, 40 ... second case, 41 ... second base portion, 42 ... second outer peripheral wall, 46 ... second convex portion, 47 ... second concave portion, 48 ... stepped portion, 50 ... release Sound passage, 51 ... sound inlet, 52 ... sound outlet, 60 ... groove, 100 ... security system, 110 ... controller, 120 ... sensor, 130 ... alarm lamp, 140 ... alarm buzzer, 200 ... security company

Claims (5)

It ’s a security device,
A housing having a first case arranged on one side of the first direction and a second case arranged on the other side of the first direction with respect to the first case.
A sound output unit housed in the housing and outputting sound,
With
The first case has a facing portion facing the outer peripheral wall of the second case in the first direction.
The facing portion has a first recess that is arranged with a gap between the facing portion and the tip end portion of the outer peripheral wall of the second case.
The housing has a sound emitting passage in which at least a part thereof is formed by the gap and the sound output from the sound output unit is emitted to the outside of the housing.
Security device. The security device according to claim 1.
The facing portion is a security device provided at the tip end portion of the outer peripheral wall of the first case. The security device according to claim 1 or 2.
The facing portion has a first convex portion and has a first convex portion.
The tip of the outer peripheral wall of the second case has a second convex portion and a second concave portion.
The first convex portion is arranged between the second convex portion and the second concave portion with the gap forming a part of the sound emitting passage.
A security device in which the second convex portion is arranged with the gap forming a part of the sound emitting passage between the second convex portion and the first concave portion. The security device according to any one of claims 1 to 3.
The sound emitting passage is an inlet of the gap on the inner surface of the housing, a sound introduction port for introducing the sound output from the sound output unit, and an outlet of the gap on the outer surface of the housing. It has a sound outlet that emits the sound introduced from the sound inlet, and has a sound outlet.
When the sound emitting passage is viewed from the sound emitting port, the housing can visually recognize at least a part of the tip of the outer peripheral wall of the second case, and can visually recognize the sound introducing port. A security device that is configured to be impossible. The security device according to any one of claims 1 to 4.
The first case has a contact portion where the tip end portion of the outer peripheral wall of the second case is arranged in contact with each other.
The housing is a security device having a groove-shaped portion provided along the contact portion so as to be continuous with the sound emitting passage.

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