JP5204883B2 - Fire alarm with additional equipment - Google Patents

Description

  The present invention relates to a fire alarm with an additional device that detects smoke and heat generated in a fire and promptly issues an alarm.

In the past, based on Article 21 of the Fire Service Construction Rules and Article 41 of the Fire Prevention Ordinance of the Metropolitan Government, installation of automatic fire alarm equipment has been obligatory for new and reconstructed building objects. Many automatic fire alarms Has been developed and generalized. (For example, see Patent Document 1)
In addition, many of the conventional facilities are equipped with a fire alarm device, and when an additional device such as a separate alarm buzzer is connected to the transfer terminal and a fire is detected (or an internal device malfunction is detected). (When it is detected), the system can output a transfer signal and operate the additional equipment.

  In other words, this method is effective when the fire alarm device and the extension device are connected by wiring, so that both devices are desired to be remotely located.

However, according to recent statistics, up to 80% of deaths due to fire occurred in residential fires, and 40% of those deaths were caused by so-called “delay of discovery”. However, the remote placement of the fire alarm and the extension device is not always satisfactory for the importance of quickly recognizing.

  In particular, in order to quickly recognize the occurrence of abnormalities for vulnerable people, it is strongly recommended that additional equipment such as alarm buzzers and flashlights be installed in the vicinity of the fire alarm rather than remotely arranging the fire alarm and extension equipment as described above. There is a request.

  However, separately disposing a conventional extension device in the vicinity of the fire alarm has a dislike of aesthetic appearance, and particularly in the case of an existing building, it has been extremely difficult to process the wiring.

  In addition, depending on the location of the additional equipment, the smoke or heat inflow characteristics of the fire alarm may be affected.

  In view of the above, the present invention has an additional device integrated with a fire alarm, so that it can quickly notify a fire, or can save space and have a well-balanced aesthetics. Another object of the present invention is to provide a fire alarm configured so as not to affect the heat inflow characteristics.

The fire alarm with the additional device of the present invention is
1) In a fire alarm having a base installed on the mounting surface and an alarm main body which is detachably attached to the base and has a sensor for detecting fire by detecting smoke or heat, The convex portion to be accommodated is disposed on the outer peripheral portion of the alarm device main body so that the height of the convex portion is equal to or less than the height of the side surface of the alarm device main body, and accommodates the additional device. The convex portion is provided on an extension base that is separate from the base, and the extension base is disposed so that the inner periphery of the extension base covers the outer periphery of the base, and the mounting surface and the alarm body It is installed and fixed by being sandwiched between.
2) In the above 1), the convex portion that houses the additional device is an annular convex portion, and the additional base is an annular additional base, or the convex portion that accommodates the additional device is , A lower convex portion, and the extension base is a lower extension base.
3) Further, in the above 1) to 2), the additional device is one of a flashlight, a buzzer, a speaker, and a wireless unit, or a combination thereof.

  That is, the present invention integrates a fire alarm and an extension device which have been separately installed in the past, and is compact by storing the extension device in an annular convex portion or a lower convex portion. It is characterized by the fact that it is a fire alarm (hereinafter referred to as this fire alarm) with additional equipment with stability.

  The present invention fires a convex part that accommodates additional equipment along the outer peripheral part of the alarm body so that the height of the convex part is less than the height of the side surface of the alarm body when the mounting surface is installed. Because it is coexisting with the main body of the alarm device, it is well-balanced and space-saving, has little effect on the smoke or heat inflow characteristics of the fire alarm device, and does not impair the aesthetics, and expects prompt recognition of the fire. Can do.

  Note that the convex portion is separate from the base, and the standard product can be left as it is, and various expandability can be provided.

It is front explanatory drawing in Example 1 of this invention. It is a plane explanatory view in Example 1 of the present invention. It is AA sectional drawing of the AA arrow in Example 1 of this invention. It is back surface explanatory drawing in Example 1 of this invention. It is front explanatory drawing in Example 2 of this invention. It is a plane explanatory view in Example 2 of the present invention. It is AA sectional drawing of the AA arrow in Example 2 of this invention. It is back surface explanatory drawing in Example 2 of this invention. It is front explanatory drawing in Example 3 of this invention. It is a plane explanatory view in Example 3 of the present invention. It is AA sectional drawing of the AA arrow in Example 3 of this invention. It is back surface explanatory drawing in Example 3 of this invention. It is front explanatory drawing in Example 4 of this invention. It is plane explanatory drawing in Example 4 of this invention. It is AA sectional drawing of the AA arrow in Example 4 of this invention. It is back surface explanatory drawing in Example 4 of this invention.

[Embodiment 1]
1a is a front explanatory view of the fire alarm according to the first embodiment of the present invention, FIG. 1b is a plan explanatory view of the fire alarm, and FIG. 1c is an A- FIG. 1d is a rear view of the fire alarm. In addition, the back explanatory drawing of FIG. 1d is abbreviate | omitting and describing the part in the range of B (refer FIG. 1c) of the base 3 in FIG. 1c so that the back structure of the fire alarm main body 1 can be understood.

  The fire alarm shown in FIGS. 1a to 1d is basically composed of a fire alarm main body 1, a base 3, and an annular convex portion 30 which are composed of a protective cover 2 and a main body 4. On the outer peripheral side of the base 3, an annular convex portion 30 as a convex portion for accommodating additional equipment is provided integrally with the base 3 so as to extend over the entire circumference.

  The annular convex portion 30 includes a substantially donut-shaped casing 31 that is provided integrally with the base 3 and has a back surface that opens, a display window 20 having a lens cover, and a back cover 32. In the shape part 30, white LEDs 18 that function as flashlights as additional devices are housed in the vertical and horizontal directions as viewed in the drawing.

  Further, a battery 21 (lithium battery 21 in FIG. 1) that is a power source for flashlight is housed so as to be positioned on the lower side of the annular convex portion 30.

  Note that the fire alarm main body 1 is detachably engaged with a base 3 attached to a ceiling or a wall surface with screws or the like by blade portions 3a provided at several places on the same circumference.

  The part of the fire alarm main body 1 in this fire alarm conforms to a fire alarm generally used conventionally. That is, an introduction unit for introducing smoke, a detection unit for optically detecting the smoke, a calculation unit for calculating a level of detection information and transmitting a danger signal to a detection value equal to or higher than a predetermined level, and a generated alarm An alarm unit that activates the buzzer in response to a signal is provided.

  The introduction part is constituted by a smoke introduction port 7 provided in the protective cover 2, and the smoke flowing in from the introduction part is detected by a smoke sensor 5 as a detection part in the flow path.

  A calculation unit is configured by a PC plate 15 provided in the protective cover 2 connected to the introduction portion of the fire alarm main body 1 and operated by the lithium battery 9.

  The alarm signal transmitted from the calculation unit is transferred to the buzzer 8 provided in the protective cover 2, and is transferred to the white LED 18 as an additional device in the annular convex portion 30 via the transfer connector 11. Raises each alarm.

  In this Embodiment 1, since the annular convex part is provided along the outer periphery of the fire alarm main body 1, the height of the annular convex part is set to the side surface of the alarm main body in the installed state on the wall surface or the like. Smoke can be smoothly guided to the detection unit by setting the height to be equal to or less than the height.

  Further, by making use of the property that smoke is transmitted along the wall surface, the outer surface shape of the annular convex portion is shaped along the gas streamline, and is configured to smoothly connect to the protective cover 2. It is also possible to guide smoke smoothly to the detection unit.

In other words, as described above, the present fire alarm is characterized in that the conventional fire alarm main body 1 is constructed by integrating an additional device that has been separately arranged in the fire alarm main body 1 and is separately provided in the conventional fire alarm main body 1. Not only is it aesthetically improved compared to the layout, but it does not impair the inflow characteristics of smoke or heat, it can recognize fires more quickly than before, and it is more responsive to people with weak disasters, especially those who are hard of hearing. It is characterized by the ability to recognize fire.

[Embodiment 2]
2a is a front explanatory view of the fire alarm device according to the second embodiment, FIG. 2b is a plan explanatory view of the fire alarm device, and FIG. 2c is a cross-sectional view taken along line AA in the front explanatory view. FIG. 2 and FIG. 2 d are explanatory views of the rear surface of the fire alarm. In addition, the back explanatory drawing of FIG. 2d is abbreviate | omitting the part in the range of B of the base 3 in AA sectional drawing similarly to FIG. 1d so that the back structure of the fire alarm main body 1 can be understood. Yes.

  The fire alarm shown in FIGS. 2a to 2d is basically composed of a fire alarm main body 1 and a base 3, which are composed of a protective cover 2 and a main body 4, and an annular convex portion (separately provided from the base 3). Body) 40 and an annular extension base 43.

  The annular convex portion (separate body) 40 of the second embodiment is provided in an annular extension base 43 provided as a separate body from the base 3, and is a substantially donut-shaped housing that opens the back surface including the display window 20. A body 41 and a back cover 42 are formed. Inside, a white LED 18 that functions as a flashlight as an additional device, as in the first embodiment, and a battery 21 that is a power source for the flashlight (a lithium battery in FIG. 1c) 21) is housed.

  In addition, the fire alarm main body 1 part in this fire alarm which concerns on this Embodiment 2 is the same as that of Embodiment 1 basically, and the same code | symbol is attached | subjected to the same member and description about a structure and an effect | action Omits this.

  The present fire alarm device according to the second embodiment is a modification of the fire alarm device according to the first embodiment, and the annular convex portion (separate) 40 is different from the base 3 in the configuration of the first embodiment. Is different from that provided in a separate annular extension base 43.

  The annular extension base 43 has its inner circumference covering the outer circumference of the base 3 and is maintained between the mounting surface such as the ceiling and wall surface and the fire alarm main body. It is more preferable if it can be attached and fixed to the main body 1 or the base 3 by some means.

When the fire alarm device according to the second embodiment is installed on a wall surface, an additional device power source battery (lithium battery) 21 is provided in the lower part of the annular convex portion disposed below the fire alarm device. Therefore, when the fire alarm is mounted on the wall surface with a mounting screw or the like, the additional device power source battery (lithium battery) 21 disposed on the lower side of the annular convex portion 40 serves as a kind of weight. Acts and can maintain a good and stable mounting state.

[Embodiment 3]
3a is a front explanatory view of the fire alarm device according to the third embodiment, FIG. 3b is a plan explanatory view of the fire alarm device, and FIG. 3c is a cross-sectional view taken along the line AA in the front explanatory view. FIG. 3 and FIG. 3 d are explanatory views of the rear side of the fire alarm. In FIG. 3 d, the portion in the range of B of the base 3 in the AA cross-sectional view is omitted as in FIG. 1 so that the rear structure of the fire alarm body 1 can be understood.

  The fire alarm device according to the third embodiment is basically composed of a fire alarm body 1, a base 3, and a lower convex portion 50 including a protective cover 2 and a body 4. The lower convex portion 50 is disposed on the outer peripheral side of the base 3 so as to extend only on the lower side, and is provided on a lower extension base 53 configured integrally with the base 3.

  The lower extension base 53 (lower convex portion 50) includes a substantially box-shaped casing 51 having a display window 20 and an opening on the back, and a back cover 52.

  In addition, the part of the fire alarm main body 1 in the third embodiment is basically the same as that in the first embodiment, and the same reference numerals are given to the same members, and the description of the configuration and operation is the same. Omitted.

  The present fire alarm device according to the third embodiment is provided with a lower convex portion 50 instead of the annular convex portions 30 and 40 with respect to the first and second embodiments.

The lower convex portion 50 houses a white LED 18 that functions as a flashlight as an additional device and a battery 21 that is a power source for the flashlight.
Since the lower convex portion 50 is arranged on the lower side of the fire alarm when it is installed on the wall surface, the lower convex portion 50 is a kind of weight when the fire alarm is mounted on the wall surface with a mounting screw or the like. It acts as a role and can maintain a good and stable mounting state.

[Embodiment 4]
4a is a front explanatory view of the present fire alarm device according to the fourth embodiment, FIG. 4b is a plan explanatory view of the present fire alarm device, and FIG. 4c is an AA sectional view taken along the line AA in the front explanatory view. FIG. 4d is a rear view of the fire alarm. In FIG. 4d, the portion in the range of B of the base 3 in the AA sectional view is omitted as in FIG. 1d so that the rear structure of the fire alarm body 1 can be understood.

  The fire alarm device according to the fourth embodiment is basically composed of a fire alarm body 1 and a base 3 including a protective cover 2 and a body 4, and a lower convex portion 60. The lower convex portion 60 is disposed on the outer peripheral side of the base 3 so as to extend only on the lower side, and is provided on a lower extension base (separate body) 63 configured separately from the base 3.

  The lower extension base 63 (lower convex portion 60) includes a substantially box-shaped housing 61, a back cover 62, and a ring-shaped portion 64 that are provided with the display window 20 and open on the back surface.

  In addition, the part of the fire alarm main body 1 in the third embodiment is basically the same as that in the first embodiment, and the same reference numerals are given to the same members, and the description of the configuration and operation is the same. Omitted.

  The fourth embodiment is a modification of the third embodiment, and the lower convex portion 60 is provided on the lower extension base 63 separate from the base 3. The lower extension base (separate body) 63 is provided with a ring-shaped portion 64 that covers the outer periphery of the base 3. The ring-shaped portion 64 covers the outer periphery of the base 3 and is attached to a mounting surface such as a ceiling or a wall surface. The installation state is maintained by being sandwiched between the fire alarm main body 1. In addition, it is more preferable if it can be attached and fixed to the fire alarm body 1 or the base 3 by some means.

  In the second embodiment and the fourth embodiment described above, since the base 3 has an outer diameter smaller than that of the fire alarm main body, the fire alarm main body 1 has an annular convex shape in a state where the fire alarm is installed. Since it functions as a stopper that prevents the shaped portion 40 and the lower convex portion 60 from falling off, the annular extension base 43 or the lower extension base 63 can be easily attached and fixed.

  In addition to the power supply battery 9 on the fire alarm main body 1 side, the additional device battery 21 is also provided on the convex portion side, so that a separate power supply can be secured and the battery can be easily replaced.

  The extension device may be any one of a flashlight, an extension buzzer, a speaker, and a wireless unit, or may be used in combination with each other.

  However, a buzzer and a speaker are often built in a fire alarm device, and a system using a flashlight that can quickly recognize fire by flashing flashlight to disaster weak people, particularly those who are hard of hearing, is preferable.

  In addition, the wireless unit may be any of a transmission unit, a reception unit, and a transmission / reception unit, and can transmit and receive a fire signal and recognize a fire by a fire notification from the received device. The detection unit may be other than the smoke sensor, and may be a thermal sensor such as a thermistor, for example.

  The fire alarm in the above embodiment has been described mainly for fire alarms for buildings that are obliged to install automatic fire alarm equipment. It can be applied to any place that requires notification.

1 Fire Alarm Body 2 Protective Cover 3 Base 4 Body 5 Smoke Sensor 7 Smoke Inlet 8 Buzzer 9 Battery for Power Supply (Lithium Battery)
DESCRIPTION OF SYMBOLS 10 Battery connector 11 Transfer connector 12 Device nameplate 13 Appraisal seal 14 Caution sticker 15 Detection and transfer IC substrate 16 Flash light IC substrate 17 Back cover fixing screw 18 White LED
19 Back cover 20 Display window 21 Flashlight battery (lithium battery)
30 annular convex part 31 annular convex part housing 32 annular convex part back cover 40 annular convex part (separate)
41 Annular convex part housing 42 Annular convex part back cover 43 Annular additional base 50 Lower convex part 51 Lower convex part case 52 Lower convex part back cover 53 Lower additional base 60 Lower convex part Department (separate)
61 Lower convex housing 62 Lower convex rear cover 63 Lower extension base 64 Ring-shaped portion

Claims (3)

In a fire alarm device comprising: a base installed on a mounting surface; and an alarm body provided with a sensor that is detachably attached to the base and detects smoke or heat to detect a fire,
A convex portion for storing additional equipment is arranged on the outer peripheral portion of the alarm device main body so that the height of the convex portion is equal to or less than the height of the side surface of the alarm device main body,
The convex portion for storing the extension device is provided on an extension base separate from the base, and the extension base is disposed so that the inner periphery of the extension base covers the outer periphery of the base, and the attachment A fire alarm equipped with an additional device, characterized in that it is installed and fixed by being sandwiched between a surface and the main body of the alarm device. The convex portion that houses the extension device is an annular convex portion, and the extension base is an annular extension base.
Or
The fire alarm with an additional device according to claim 1, wherein the convex portion storing the additional device is a lower convex portion, and the expansion base is a lower expansion base.   The fire with an additional device according to claim 1 or 2, wherein the additional device is any one of a flashlight, a buzzer, a speaker, and a wireless unit, or a combination thereof. Alarm.