JP6603524B2 - Alarm - Google Patents

Description

  The present invention relates to an alarm device.

  2. Description of the Related Art Conventionally, an alarm device that detects a predetermined event and issues an alarm is known. This alarm device is used by being attached to a wall surface in a room. For example, Patent Documents 1 and 2 disclose an alarm mounting structure. In Patent Document 1, an upper bulge portion is provided on the upper edge of the alarm device, and an opening is formed in the upper portion so that the hook is attached to a hook of an attachment (hanging tool) attached to the wall surface. A technique for fixing an alarm device to a wall surface is disclosed. On the other hand, since the attachment and its mounting structure look bad when viewed from the outside, we also know how to fix the alarm to the wall surface by hooking the concave opening provided on the back side of the alarm on the attachment. (See Patent Document 2).

JP 2007-228 A JP 2007-128210 A

  However, since the structure of the attachment differs depending on the type of alarm device, it is necessary to replace the attachment every time the alarm device is replaced.

  This invention is made | formed in view of this situation, The objective is to provide the alarm device which has versatility with respect to the attachment for attaching an alarm device to a wall surface.

In order to solve such a problem, the present invention is assembled to a case-like case main body that accommodates a sensor that detects an alarm target, and a case back portion that forms the back side of the case main body, and the case main body is attached to a wall surface of a standing wall. And a mounting panel for mounting to the alarm. Here, the attachment panel is attached to the first suspension member provided at the upper edge portion of the attachment panel and provided with a hook portion that is inserted into an opening formed in the suspension object and hooks and suspends the suspension object. A first mounting fixing portion that can be provided, and an opening portion that is provided below the first mounting fixing portion in the panel surface, and that has an opening formed on the panel surface and whose upper edge portion functions as a supported portion. And a second attachment fixing portion that can be attached to a second hanging tool that supports the supported portion formed on the suspended object from below and hangs the suspended object by hanging . The hanging tool includes a base portion having a substantially T-shape, a pair of presser pieces projecting upward at the left and right ends of the upper edge portion of the base portion, and a concave shaped covering formed on the base portion. And the upper edge of the base is supported from below by the upper edge of the base, and the second mounting and fixing part is opened. A pair of fixed portions formed on the panel surface that defines the upper edge portion and held between the pair of presser pieces and the wall surface, and a concave shape that extends downward from the panel surface that defines the upper edge portion of the opening. And an engaging claw portion that engages with the engaged portion.

In the present invention, the first mounting and fixing portion may include a bulging portion that is bulged upward from the upper edge portion of the mounting panel, and a hooking hole that is formed in the bulging portion. Is preferred .

  ADVANTAGE OF THE INVENTION According to this invention, the alarm device which has versatility with respect to the attachment for attaching an alarm device to a wall surface can be provided.

The front view which shows typically the alarm device concerning this embodiment Right side view of the alarm device shown in FIG. Sectional drawing which shows AA cross section of the alarm device shown in FIG. Side view showing enlarged main part of alarm device to show battery housing structure Explanatory drawing showing board and mounted components The perspective view which shows the structure of a mounting panel Front view showing the configuration of the mounting panel The perspective view which shows the structure of an attachment Explanatory drawing which shows the attachment state of the attachment panel with respect to a 2nd attachment Explanatory drawing explaining the state which has arrange | positioned the gas sensor to the back side of a board | substrate

  FIG. 1 is a front view schematically showing an alarm device 1 according to the present embodiment. 2 is a right side view of the alarm device 1 shown in FIG. 1, and FIG. 3 is a cross-sectional view showing an AA section of the alarm device 1 shown in FIG. In FIG. 1, the upper side of the paper corresponds to the vertical upper side when the alarm device 1 is installed, and the lower side of the paper corresponds to the lower vertical side when the alarm device 1 is installed. The alarm device 1 according to the present embodiment is an alarm device that performs an alarm for, for example, a fire and carbon monoxide (CO), and detects an event (heat and smoke from a fire, carbon monoxide due to incomplete combustion) occurring at an installation location. Detect and alert. The alarm device 1 is of a battery type and is used by being installed on a wall surface of a standing wall in a room, for example.

  The alarm device 1 is mainly composed of a case main body 10, a substrate 30, a fire sensor 50, and a CO sensor 60.

  The case body 10 is a housing that accommodates the substrate 30, the fire sensor 50, the CO sensor 60, the battery 70, and the like, and is formed of a synthetic resin or the like. The case body 10 includes a lower case 11 and an upper case 12 that are separable from each other, and a housing is formed by fitting the lower case 11 and the upper case 12 together. When the alarm device 1 is installed, it is attached to the wall surface via a mounting panel 20 described later so that the upper case 12 is on the front side and the lower case 11 is on the back side.

  The lower case 11 forms the back side of the case body 10 and is composed of a box-like member with the front side opened. The lower case 11 includes a rectangular plate-shaped back surface portion (case back surface portion) 11a and a rectangular frame-shaped peripheral wall portion 11b erected on the periphery of the back surface portion 11a.

  The upper case 12 forms the front side of the case body 10 and is composed of a box-like member whose back side is open. The upper case 12 includes a rectangular plate-shaped front portion 12a and a rectangular frame-shaped peripheral wall portion 12b erected on the periphery of the front portion 12a.

  The front part 12a of the upper case 12 includes a vertically long decorative panel 13 that covers the center part on the front side. In the present embodiment, the front part 12 a and the decorative panel 13 constitute a case front part that forms the front side of the case body 10.

  The upper case 12 is provided with a slit 14, a display unit 15, a speaker output unit 16, and an operation unit 17.

  The slits 14 are openings that penetrate the inside and outside of the case body 10, and are formed in the upper case 12, for example. The atmosphere around the alarm device 1 flows into the sensor chamber for the CO sensor 60 formed in the case body 10 through these slits 14.

  The display unit 15 is formed at a position corresponding to the plurality of LEDs 33 mounted on the substrate 30. For example, the display unit 15 includes an opening obtained by cutting a part of the decorative panel 13 into a horizontally long rectangular shape, and the LED 33 is visible from the outside through the opening. In addition, a transparent or semi-transparent plate-like plate that closes the opening is disposed in the opening that forms the display unit 15.

  The speaker output unit 16 is formed at a position corresponding to the speaker 37 mounted on the substrate 30. For example, the speaker output unit 16 includes a plurality of slits formed in the front surface portion 12a, and outputs sound or sound output from the speaker 37 to the outside.

  The operation unit 17 is formed at a position corresponding to the switch 32 mounted on the substrate 30, and is for the operator to operate the alarm device 1. In the present embodiment, the operation unit 17 is provided on the lower end side of the decorative panel 13. Further, on the front side of the decorative panel 13, for example, a character “alarm stop” is written at a position corresponding to the operation unit 17.

  On the lower end side of the decorative panel 13, a space is formed between the decorative panel 13 and the front surface portion 12a so that a certain gap is created. The decorative panel 13 has a lower end that is a free end. The front portion 12a is supported in a cantilever shape. The operation unit 17 is positioned on the free end side of the decorative panel 13 and can be elastically deformed in the thickness direction of the decorative panel 13. By pressing the operation unit 17 from the front side of the upper case 12, the operation unit 17 is elastically deformed inwardly of the case body 10 (in the thickness direction of the decorative panel 13), and thereby the switch 32 (specifically, The movable portion of the switch 32 is pressed by the operation portion 17.

  In addition, the case body 10 includes a battery opening 18 for inserting the battery 70 into the case body 10 and a battery holding part 19 for holding the battery 70. Here, FIG. 4 is an enlarged side view showing a main part of the alarm device 1 in order to show the housing structure of the battery 70. In FIG. 4, a battery case 18a described later is removed.

  The battery opening 18 is formed on the side surface (the peripheral wall portions 11 b and 12 b) of the case body 10 and is an opening for inserting and removing the battery 70 from the case body 10. The battery opening 18 is configured such that the battery case 18a is detachable, and the battery opening 18 can be closed by attaching the battery case 18a (see FIG. 2).

  The battery holding unit 19 holds the battery 70 in the case body 10. The battery holding portion 19 is composed of a pair of holding plates 19 a formed at positions facing each other in the lower case 11 and the upper case 12. Each holding plate 19 a is set in an arc shape so that the top portion thereof corresponds to the outer peripheral shape of the battery 70. The pair of holding plates 19a hold the battery 70 by sandwiching the battery 70 from both sides.

  A plurality of battery holding units 19 are arranged in parallel corresponding to the number of batteries 70 used in the alarm device 1. In the present embodiment, two batteries 70 are mounted. For example, the two batteries 70 are laminated and integrated with a film. As shown in FIG. 4, the battery holding portions 19 are arranged in parallel at two locations, and the two batteries 70 are held by the battery holding portion 19, respectively.

  On the other hand, when the two battery holding parts 19 accommodate one battery 70 between the adjacent battery holding parts 19, the corners of the holding plate 19 a positioned around the battery 70 are located with respect to the battery 70. Are in contact with each other. Therefore, as shown by a broken line in FIG. 4, one battery 70 can be held using the four holding plates 19 a positioned around the battery 70. Thereby, even when only one battery 70 is used, positioning of the battery 70 and rattling can be suppressed. That is, each of the two battery holding units 19 holds one battery 70 by holding one battery 70, and holding one battery 70 in the first holding state in which the two batteries 70 are adjacent to each other. A second holding state. Thereby, one set of two batteries 70 can be used for the alarm device 1, or one battery 70 can be used alone for the alarm device 1.

  FIG. 5 is an explanatory diagram showing the substrate 30 and the mounted components. In the drawing, (a) shows the front side of the substrate 30, and (b) shows the back side of the substrate 30. The substrate 30 is a printed wiring board, and a plurality of electronic components are mounted by soldering or the like. The substrate 30 has a wiring pattern that is electrically connected to an electronic component to form an electric circuit. The substrate 30 is arranged in a state of being parallel or substantially parallel to the back surface portion 11 a of the lower case 11.

  On the front side of the substrate 30, a switch 32, a plurality of LEDs 33, a microcomputer (not shown), and the like are mounted.

  The switch 32 outputs a predetermined signal to the microcomputer in response to the pressing operation of the operation unit 17. The switch 32 includes, for example, a movable part, and outputs a predetermined signal to the microcomputer when the movable part is pressed.

  The plurality of LEDs 33 are composed of four LEDs corresponding to one or more colors. These LEDs 33 are controlled by a microcomputer and output an alarm from the fire sensor 50 and the CO sensor 60 or output a warning state.

  The microcomputer controls the alarm device 1. For example, the microcomputer controls the LED 33 and the speaker 37 based on detection signals output from the fire sensor 50 and the CO sensor 60 to give an alarm. Further, the microcomputer determines an operation input according to a signal input from the switch 32 or a signal change. When the microcomputer receives the operation input, the microcomputer stops the alarm output or performs an inspection operation.

  On the other hand, a fire sensor 50 and a CO sensor 60 are mounted on the back side of the substrate 30.

  The fire sensor 50 is a sensor that detects a fire based on smoke in the atmosphere around the alarm device 1 or its temperature. The fire sensor 50 is a well-known fire sensor such as a heat sensor or a smoke sensor, for example, and outputs a detection signal corresponding to the presence or absence of heat or smoke accompanying the fire to the microcomputer.

  The fire sensor 50 has a cylindrical shape that is wide in the radial direction. An opening is formed in a required portion of the back surface portion 11a of the lower case 11, and the fire sensor 50 is supported on the substrate 30 so that the sensor portion 51 protrudes from the opening.

  The CO sensor 60 is, for example, an electrochemical CO sensor. The CO sensor 60 detects the concentration of carbon monoxide contained in the atmosphere entering the sensor chamber from the slit 14 and outputs a detection signal corresponding to the concentration to the microcomputer.

  The CO sensor 60 has a cylindrical shape that is elongated in the axial direction. The CO sensor 60 is supported on the substrate 30 in the case body 10 in a sideways state (a state in which the axial direction is parallel to the back surface portion 11a and the front surface portion 12a).

  A speaker 37 and a battery 70 are mounted on the substrate 30.

  The speaker 37 is not disposed on the substrate 30 but is disposed in a region where a part of the substrate 30 is cut out into a required shape. With this notch, it is possible to secure an accommodation space for the speaker 37 while suppressing an increase in the size of the case body 10 and to perform positioning when the speaker 37 is mounted. The speaker 37 is controlled by the microcomputer and outputs an alarm from the fire sensor 50 and the CO sensor 60.

  The battery 70 is disposed in a region where a part of the substrate 30 is cut out in a required shape. Due to this notch, a storage space for the battery 70 can be secured in the case body 10. The battery 70 supplies electric power for operation to various electronic components constituting the alarm device 1.

  Hereinafter, the mounting panel 20 which is one of the features of this embodiment will be described. Here, FIG. 6 is a perspective view showing a configuration of the mounting panel 20. FIG. 7 is a front view showing the configuration of the mounting panel 20. The case body 10 further includes a mounting panel 20. The attachment panel 20 is a member for attaching the case main body 10 (alarm device 1) to the wall surface, and is assembled to the back side of the back portion 11a forming the lower case 11 as shown in FIGS.

  The mounting panel 20 is a substantially rectangular flat plate member, and is formed of, for example, a synthetic resin. The mounting panel 20 includes an assembly member 21, a sensor contact portion 22, a fin-like member 23, and mounting fixing portions 24 and 25.

  The assembly member 21 is a quadrangular columnar member having a claw formed at the tip, and is erected on the four corners of the mounting panel 20. The assembly member 21 is inserted into the case main body 10 through openings provided at the four corners of the back surface portion 11a of the lower case 11 so that an engagement claw (not shown) in the case main body 10 Engage. Thereby, the mounting panel 20 can be assembled to the lower case 11.

  In a state where the mounting panel 20 is assembled to the lower case 11, the mounting panel 20 is parallel or substantially parallel to the back surface portion 11a of the lower case 11, and is arranged with a certain gap between the back surface portion 11a. Yes. The atmosphere around the alarm device 1 can be guided to the sensor unit 51 of the fire sensor 50 through this gap.

  The sensor contact portion 22 is provided on the front side of the mounting panel 20, that is, on the surface facing the back surface portion 11 a of the lower case 11 in correspondence with the fire sensor 50. The sensor contact portion 22 is formed as a concave depression by thinning a part of the mounting panel 20. The sensor contact portion 22 contacts the top of the fire sensor 50 when the mounting panel 20 is assembled to the lower case 11.

  The fin-like member 23 is a rectifying member for guiding the atmosphere that flows between the mounting panel 20 and the lower case 11 to the sensor unit 51 of the fire sensor 50. The fin-like member 23 is formed on the front side of the mounting panel 20. The fin-like member 23 is configured by a standing wall that is vertically raised from the mounting panel 20. A plurality of fin-like members 23 are provided so as to radiate around the sensor contact portion 22, and each fin-like member 23 extends linearly toward the peripheral edge of the mounting panel 20. .

  The shape of the fin-like member 23 is not limited to this, and may be a curved shape that rises while being curved. Further, the fin-like member 23 may extend while curving toward the peripheral edge of the mounting panel 20.

  The attachment fixing parts 24 and 25 are members that attach the alarm device 1 (case body 10) to the wall surface by suspending the attachment panel 20 on an attachment (hanging tool) attached to the wall surface. The attachment fixing parts 24 and 25 correspond to the two types of attachments 80 and 85.

  The 1st attachment fixing | fixed part 24 respond | corresponds with the 1st attachment 80 shown to Fig.8 (a). First, the first attachment 80 will be described. The first attachment 80 includes a base portion 81, a hook portion 82, and a pair of abutting protrusions 83, and is integrally formed with a synthetic resin or the like.

  The base 81 is a member that is a base of the first attachment 80, and is attached to the wall surface such that the back surface thereof faces the wall surface. The hook portion 82 is a hook-shaped member that is provided on the front surface of the base portion 81 and hangs the mounting panel 20 by hooking a hooking hole 24b described later. The pair of abutting protrusions 83 are provided on the front surface of the base portion 81 so as to protrude from the left and right sides with the hook portion 82 interposed therebetween, and regulate the swing of the mounting panel 20 suspended from the hook portion 82. is there.

  As shown in FIGS. 6 and 7, the first attachment fixing portion 24 is provided on the upper edge portion 20 a of the attachment panel 20. The first mounting / fixing portion 24 includes a bulging portion 24a and a hooking hole 24b.

  The bulging portion 24a bulges upward from the upper edge portion 20a, and has a trapezoidal shape whose upper side is shorter than the lower side. The bulging portion 24 a is integrally formed with the mounting panel 20. The hooking hole 24b is a vertically long opening formed substantially at the center of the bulging portion 24a. Specifically, the hooking hole 24b has a stepped shape in which the opening width of the lower step portion is larger than that of the upper step portion.

  The attachment panel 20 is attached to the first attachment 80 attached to the wall surface in the following procedure. First, the alarm device 1 including the mounting panel 20 is moved to the wall surface side with the upper case 12 of the alarm device 1 facing the front. Then, the hook portion 82 is caused to enter the catching hole 24b while the bulging portion 24a is inserted between the pair of contact protrusions 83. At this time, the hook portion 82 is caused to enter the lower step portion having a large opening width in the hooking hole 24b. When the bulging portion 24a reaches the base portion 81, the mounting panel 20 is then slid downward. By this sliding, the hook portion 82 is guided to the upper step portion of the hooking hole 24b, and the hook portion 82 is hooked on the upper inner peripheral surface of the hooking hole 24b. Thereby, the attachment panel 20 is suspended from the first attachment 80.

  Next, the 2nd attachment fixing | fixed part 25 respond | corresponds with the 2nd attachment 85 shown in FIG.8 (b). First, the second attachment 85 will be described. The second attachment 85 includes a base 86, a pair of presser pieces 87, and an engaged portion 88.

  The base 86 is a member that becomes a base of the second attachment 85 having a substantially T shape, and is attached to the wall surface such that the back surface thereof faces the wall surface. The pair of presser pieces 87 project from the left and right ends of the upper edge 86a of the base 86 so as to protrude upward. Each presser piece 87 is disposed at a position offset to the front side of the base portion 86, and forms a gap with the wall surface. The engaged portion 88 is provided at the center portion of the upper edge portion 86 a of the base portion 86, that is, between the pair of presser pieces 87. The engaged portion 88 is composed of a tapered portion formed in a tapered shape from the front side to the back side, and a concave recess portion formed in a required portion of the base 86 connected to the tapered portion.

  As shown in FIGS. 6 and 7, the second mounting and fixing portion 25 is provided below the first mounting and fixing portion 24 within the surface of the mounting panel 20. The second mounting / fixing portion 25 includes an opening portion 25a, a pair of fixed portions 25b, and an engaging claw portion 25d.

  The opening 25 a is an opening having a substantially T shape, and is disposed at a position offset downward from the upper edge 20 a of the mounting panel 20. A pair of to-be-fixed part 25b is provided corresponding to the right-and-left end part of the upper edge part (opening upper edge part) 25a1 of the opening part 25a. Each fixed portion 25b is formed by surrounding a part of the panel surface 20b defining the opening upper edge portion 25a1 with a rib 25c. The engaging claw portion 25d is provided at the center of the panel surface 20b, that is, between the pair of fixed portions 25b. The engagement claw portion 25d is formed to extend downward from the panel surface 20b as a base point, and a claw portion is formed at the tip thereof.

  FIG. 9 is an explanatory diagram showing a mounting state of the mounting panel 20 with respect to the second attachment 85. In FIG. 9, (a) shows the attachment state from the front side, and (b) shows the BB cross section of the attachment state shown in (a). The attachment panel 20 is attached to the second attachment 85 attached to the wall surface according to the following procedure. First, the alarm device 1 including the mounting panel 20 is moved to the wall surface side with the upper case 12 of the alarm device 1 facing the front. And the 2nd attachment 85 is inserted in the opening part 25a, and the attachment panel 20 is contact | abutted to a wall surface. Next, the mounting panel 20 is slid downward. By this slide, the opening upper edge portion 25a1 abuts on the upper edge portion 86a of the second attachment 85 (base portion 86).

  At this time, the pair of presser pieces 87 sandwich the pair of fixed portions 25b between the wall surfaces and lock the wall with the wall surfaces. Thereby, the drop-off of the mounting panel 20 and the movement in the thickness direction are restricted. Further, the engaging claw portion 25d gets over the tapered portion from the upper edge portion 86a side of the base portion 86 and engages with the concave recess portion (the engaged portion 88). Thereby, the 2nd attachment fixing | fixed part 25 and the 2nd attachment 85 are fixed.

  In this state, the upper edge portion 25a1 of the opening is supported from below by the upper edge portion 86a of the second attachment 85. As a result, the attachment panel 20 is suspended from the second attachment 85.

  When the alarm device 1 is thus attached to the wall surface, the alarm device 1 is used in this state. In this case, the atmosphere around the alarm device 1 enters between the lower case 11 and the mounting panel 20. Further, the atmosphere that has entered the gap is guided by the fin-like member 23 and guided to the fire sensor 50. When the smoke contained in the atmosphere or the temperature of the atmosphere becomes higher than a specified value, an alarm is given by the microcomputer.

  As described above, the alarm device 1 of the present embodiment includes a case-like case main body 10 that houses sensors (fire sensor 50, CO sensor 60) for detecting an alarm target, and a case back surface portion (a back surface portion 11a of the lower case 11). And an attachment panel 20 for attaching the case body 10 to the wall surface of the standing wall. The mounting panel 20 is provided on the upper edge portion 20a of the mounting panel 20, and is inserted into an opening formed in the suspended object, and includes a first attachment (suspended) that includes a hook portion 82 that hooks and suspends the suspended object. 1st mounting fixing part 24 which can be attached to lower tool) 80, and it is provided under the 1st mounting fixing part 24 in the panel surface, and supports the supported part formed in the suspended object from below. And a second attachment fixing portion 25 that can be attached to the second attachment 85 that hangs by hanging the suspended object.

  According to this configuration, since the attachment panel 20 includes the two types of attachment fixing portions 24 and 25, both the first attachment 80 and the second attachment 85 can be used. Therefore, when the user has already used one of the attachments 80 and 85, this can be used as it is. Therefore, it is not necessary to replace the attachment when the alarm device 1 is replaced. As a result, it is possible to improve the efficiency of the replacement work and reduce the cost by sharing the parts.

  In the present invention, the first mounting fixing portion 24 includes a bulging portion 24a bulging upward from the upper edge portion 20a of the mounting panel 20, a hooking hole 24b formed in the bulging portion 24a, It has. On the other hand, the second mounting fixing portion 25 includes an opening formed on the panel surface of the mounting panel 20, and includes an opening 25a in which the opening upper edge portion 25a1 functions as a supported portion.

  According to this configuration, the mounting panel 20 can be suspended from the first attachment 80 by hooking the hook hole 24b on the hook portion 82 of the first attachment 80 attached to the wall surface. Thereby, the alarm device 1 (case body 10) can be attached to the wall surface. On the other hand, the second attachment 85 attached to the wall surface supports the opening upper edge portion 25a1 from below, so that the attachment panel 20 can be suspended from the second attachment 85. Thereby, the alarm device 1 (case body 10) can be attached to the wall surface.

  In the present embodiment, the second attachment 85 has a base portion 86 having a substantially T-shape and a pair of presser pieces projecting upward from the left and right ends of the upper edge portion 86a of the base portion 86. 87 and a recessed engaged portion 88 formed in the base 86. The second attachment 85 has a structure in which the upper edge portion 25a1 of the opening is supported from below by the upper edge portion 86a of the base portion 86. In this case, the second mounting and fixing portion 25 is formed on the panel surface 20b that defines the opening upper edge portion 25a1, and a pair of fixed portions 25b that are held between the pair of pressing pieces 87 and the wall surface, It further includes an engaging claw portion 25d that extends downward from the panel surface 20b and engages with the recessed engaged portion 88.

  According to this configuration, the pair of presser pieces 87 sandwich the pair of fixed portions 25b between the wall surfaces and lock them. Thereby, dropping of the mounting panel 20 and movement in the thickness direction can be restricted. Further, the engaging claw portion 25d gets over the upper edge portion 86a of the base portion 86 and engages with the recessed engaged portion 88. Thereby, the 2nd attachment fixing | fixed part 25 and the 2nd attachment 85 can be fixed.

  In addition, the alarm device 1 according to the present embodiment is mounted on the case-like case body 10, the substrate 30 accommodated in the case body 10, the back side of the substrate 30, and the back surface of the case body 10. The fire sensor 50 is arranged to project outward from the opening formed in the case back surface portion (back surface portion 11a) and the back surface portion 11a. A mounting panel 20 for mounting on the board, a rectifying member for guiding the atmosphere flowing between the back surface portion 11a and the mounting panel 20 to the fire sensor 50, and a front side of the case body 10 mounted on the front side of the substrate 30. And a display output unit (LED 33) for outputting an alarm through the front part of the case.

  According to this configuration, the fire sensor 50 is disposed on the back side of the substrate 30, and a space for guiding the ambient atmosphere to the fire sensor 50 is formed by the gap between the case body 10 and the mounting panel 20. Thereby, the atmosphere around the alarm device 1 can be appropriately flowed into the fire sensor 50. Moreover, since it is not necessary to arrange the fire sensor 50 on the front side of the substrate 30, the space on the front side of the substrate 30 can be widely used. As a result, the degree of freedom of the mounting layout of the LED 33 is increased, and the display on the front side of the alarm device 1 can be freely performed. Moreover, since it is not necessary to provide the opening and clearance required for the fire sensor 50 on the front side of the case body 10, the appearance can be improved. Thereby, the designability of the alarm device 1 can be improved.

  In addition, the space (gap) for the fire sensor 50 can be formed between the back surface portion 11a of the lower case 11 and the wall surface without providing the mounting panel 20, but the mounting panel 20 is used to form a gap. By forming the gap, the gap can be set as designed. Therefore, the alarm device 1 can be thinned by minimizing the gap. Moreover, although there is a concern about the entry of insects or the like, the entry of insects can be suppressed by reducing the gap. In addition, when the gap is minimized, there is a concern that the atmosphere stays and the responsiveness is lowered, but the atmosphere can be smoothly guided to the fire sensor 50 by providing the rectifying member. Thereby, the fall of the responsiveness of the alarm device 1 can be suppressed.

  Further, in the present embodiment, the rectifying member is configured by a fin-like member 23 erected on the mounting panel 20.

  According to this configuration, the rectifying function described above can be obtained by attaching the attachment panel 20 to the case body 10. Further, since the fin-like member 23 can be used as a rib, the rigidity of the mounting panel 20 can be increased. Thereby, the rigidity of the mounting panel 20 can be ensured while reducing the thickness.

  In the present embodiment, the alarm device 1 further includes a CO sensor 60 that is mounted on the back side of the substrate 30 and detects carbon monoxide.

  According to this configuration, since the sensors are concentrated on the back side of the substrate 30, a wide space on the front side of the substrate 30 can be secured. Thereby, the freedom degree about the mounting layout of LED33 increases, and the display of the front side of the alarm device 1 can be performed freely. Further, since the presence of the CO sensor 60 does not affect the design on the front side of the case body 10, the degree of freedom with respect to the design on the front side of the case body 10 is improved. As a result, the design of the alarm device 1 can be improved.

  In addition, although this embodiment demonstrated the alarm device 1 which integrated the fire sensor 50 and the CO sensor 60, you may further provide other sensors, for example, a gas sensor. FIG. 10 is an explanatory diagram for explaining a state in which the gas sensor 90 is arranged on the back side of the substrate 30. The gas sensor 90 is mounted on the substrate 31, and the substrate 31 is arranged in a state orthogonal or substantially orthogonal to the back surface portion 11 a (substrate 30) of the lower case 11. For this reason, the gas sensor 90 is arranged horizontally in the lower case 11 (case body 10), like the CO sensor 60.

  According to this configuration, since the sensors are concentrated on the back side of the substrate 30, the space on the front side of the substrate 30 can be utilized. Thereby, the freedom degree about the mounting layout of LED33 increases, and the display of the front side of the alarm device 1 can be performed freely. Furthermore, since the presence of the gas sensor 90 does not affect the design on the front side of the case body 10, the degree of freedom with respect to the design on the front side of the case body 10 is improved. As a result, the design of the alarm device 1 can be improved.

  In the present embodiment, the case main body 10 is composed of a pair of holding plates 19a formed at positions facing each other on the front surface portion 12a and the back surface portion 11a, and is accommodated in the case main body 10 by the pair of holding plates 19a. The battery holder 19 holds the battery 70 by sandwiching the battery 70 from both sides. Two battery holders 19 are arranged in parallel. In this case, the battery holding unit 19 includes one battery 70 between each battery holding unit 19 and the first holding state that holds two batteries 70 by holding one battery 70. 70, and a second holding state in which the corners of the holding plate 19a positioned around the battery 70 are in contact with the battery 70 and are held by the one battery 70, respectively. .

  According to this configuration, since two battery holding portions 19 are provided, a set of two batteries 70 can be accommodated. In addition, when a single battery 70 is accommodated alone, the battery 70 can be positioned by positioning the battery 70 in the middle of the two battery holders 19, while the battery 70 is not rattling. Can be prevented.

  However, it is also possible to hold one battery 70 using either one of the two battery holding portions 19. However, when the user uses only one battery 70, the battery 70 tends to be inserted in the middle of the battery opening 18 without inserting the battery 70 into one of the battery holding portions 19. . In this regard, according to the present embodiment, the user can replace the battery 70 without a sense of incongruity, and can appropriately perform positioning of the battery 70 and prevention of rattling of the battery 70.

  The alarm device according to this embodiment has been described above, but the present invention is not limited to this embodiment, and various modifications can be made within the scope of the invention. For example, in the above-described embodiment, an alarm device including a CO sensor and a fire sensor has been described. However, a gas sensor may be provided together with these sensors or instead of one or all of these sensors. That is, the alarm device only needs to include one or more sensors that detect a predetermined event.

DESCRIPTION OF SYMBOLS 1 Alarm device 10 Case main body 11 Lower case 11a Back surface part 11b Peripheral wall part 12 Upper case 12a Front part 12b Peripheral wall part 13 Cosmetic panel 18 Battery opening part 18a Battery case 19 Battery holding part 19a Holding plate 20 Mounting panel 20a Upper edge 20b Panel Surface 21 Assembly member 22 Sensor contact portion 23 Fin-like member 24 First mounting and fixing portion 24a Swelling portion 24b Hooking hole 25 Second mounting and fixing portion 25a Opening portion 25a1 Opening upper edge portion 25b Fixed portion 25c Rib 25d Engagement claw part 30 Substrate 33 LED
DESCRIPTION OF SYMBOLS 50 Fire sensor 51 Sensor part 60 CO sensor 70 Battery 80 1st attachment (1st hanging tool)
81 Base part 82 Hook part 83 Contact | abutting protrusion 85 2nd attachment (2nd hanging tool)
86 Base portion 86a Upper edge portion 87 Presser piece 88 Engaged portion 90 Gas sensor

Claims (2)

A case-like case body that houses a sensor that detects an alarm target; and
Assembled to the case back surface forming the back side of the case body, and having a mounting panel for attaching the case body to the wall surface of the standing wall,
The mounting panel is
1st attachment which can be attached to the 1st hanger provided with the hook part which is provided in the upper edge part of the said attachment panel, is inserted in the opening formed in the hanger, and hooks a hanger and hangs down. A fixed part;
Provided below the first mounting and fixing portion in the panel surface, having an opening formed of an opening formed in the panel surface, and an upper edge portion of the opening functioning as a supported portion , and formed on a suspended object. a second fixing lug the mountable to the second hanger hanging hooked under product hanging supports the supported portion from below was,
Equipped with a,
The second hanging tool is:
A base having a substantially T-shape;
A pair of presser pieces protruding so as to protrude upward at the left and right ends of the upper edge of the base; and
A concave engaged portion formed on the base,
The upper edge of the base is supported from below by the upper edge of the base,
The second mounting fixing part is:
A pair of fixed parts formed on a panel surface defining the upper edge of the opening and held between the pair of presser pieces and the wall surface;
An alarm device comprising: an engaging claw portion extending downward from a panel surface defining the upper edge portion of the opening and engaging with the recessed engaged portion . The first mounting fixing part is:
A bulging portion formed to bulge upward from the upper edge of the mounting panel;
A hook hole formed in the bulging portion;
Alarm device according to claim 1, characterized in that Ru comprising a.

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