JP2005293306A - Fire alarm - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a fire alarm for diffusing volatile substances for an aroma or protection against insects. <P>SOLUTION: This fire alarm has a detection part for detecting and outputting an environment change based on a fire phenomenon, a decision part for deciding whether an alarm is necessary or not on the basis of the output of the detection part, and an alarm part for receiving fire output from the decision part and issuing the alarm, inside a main body. When the volatile substance diffused from a volatilization means is an aromatic, a resident is conscious of the fire alarm as a source of the aroma inside a living room to appeal presence of the fire alarm. By touching the fire alarm every expiration date of the aromatic, a function check can be simultaneously performed. When the volatile substance is insect repellent, it can be prevented that the insects disturbing fire detection swarm the fire alarm, and a structure of the detection part can be simplified. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a fire alarm device, and more particularly to a fire alarm device having an aromatic function or an insect-repellent function.

  Conventional fire alarms detect heat, smoke, or the like in order to determine a fire, and are therefore usually installed as high as possible on the ceiling or wall of a house. Such a fire alarm device is provided with a buzzer, a sound alarm speaker, and the like as alarm members, so that a fire can be widely notified.

As a conventional fire alarm, there is known a residential fire alarm that is attached to a wall surface and has a gas leak detection function as an added value (see, for example, Patent Document 1).
JP 2002-298248 A

  Such fire alarms are usually compared to electrical equipment used in the home, and are always in operation, installed in high places in the living room, and not noticeable on a daily basis. Examination about making effective use of these characteristics is not progressing. These fire alarms are expected to spread to homes and should be considered to be useful in daily life.

  In addition, as a fire alarm device, in particular, a smoke detector type that detects smoke, the detection function may be disturbed by a small insect entering the detection portion. For this reason, a fine net is usually provided in the opening, but it has been troublesome to provide such a net.

  Therefore, an object of the present invention is to obtain a fire alarm that dissipates volatile substances for fragrance or insect repellent.

  A fire alarm device according to a first aspect of the present invention includes a detection unit that detects and outputs an environmental change based on a fire phenomenon, a determination unit that determines whether an alarm is necessary based on the output of the detection unit, and the determination unit A fire alarm device having an alarm unit that emits an alarm in response to a fire output from the main body, and further provided with a volatilizing means for releasing a volatile substance for fragrance or insect protection from the main body. It is characterized by this.

  In the fire alarm device according to claim 2 of the present invention, the volatilization means is held by a gap in which a sheet in which a volatile substance is permeated can be inserted into the flat portion of the substantially cylindrical detection space formed in the main body. A portion is formed, and the volatile substance is gradually diffused from the main body to the outside from the sheet in the holding portion.

  Moreover, the fire alarm device according to claim 3 of the present invention is characterized in that the volatilization means comprises a storage part of a volatile substance disposed in the main body, and an electromagnetic part that disperses the volatile substance in the storage part, It diffuses to the outside through a detection space formed in the main body.

  In the fire alarm device according to claim 1, when the volatile substance released from the volatilization means is a fragrance, the resident is aware of the scent of the living room and can appeal the presence of the fire alarm device. . And it can touch a fire alarm device for every expiration date of a fragrance | flavor, and can perform a function check simultaneously. Further, when the volatile substance is an insect repellent, it is possible to prevent insects that interfere with fire detection from collecting, and the structure of the detection unit can be simplified.

  And the fire alarm device according to claim 2 has a simple structure that can hold the volatile substance without increasing the size of the main body by providing the sheet holding portion.

  Moreover, the fire alarm device according to claim 3 can dissipate a volatile substance by the electromagnetic part, and can dissipate a sufficient amount more effectively than natural radiation.

Embodiment 1
FIG. 1 is a cross-sectional view showing a fire alarm device S according to an embodiment of the present invention, and FIGS. 2 and 3 are a front view and a side view of the appearance of the fire alarm device S.

  As shown in FIG. 1, in the fire alarm device S of the first embodiment, a main body 74 including a base 72 and a cover 73 is installed at a high place on a wall surface. A printed circuit board 76 is disposed inside the main body 74, and a switch element, an acoustic member, and various circuit elements are disposed, but illustration thereof is omitted.

  First, as shown in FIG. 2 and FIG. 3, the main body 74 of the fire alarm S is formed with a smoke inlet 78 in which the outer periphery of the dark box 77 is covered with a metal mesh. Further, on the front side of the fire alarm device S, a test / acoustic stop push button 79 for turning on a switch element (not shown), an acoustic port 80 corresponding to the position of a speaker (not shown), and lights when a fire is detected. A fire indicator 81 is shown.

  In this dark box 77, a light emitting element 44 and a light receiving element 45 for detecting smoke as a fire are arranged, and although not shown in detail, they are arranged so as not to face each other at a predetermined angle. Normally, the light of the light emitting element 44 does not reach the light receiving element 45, but if smoke particles flowing into the dark box 77 are present, the light emitted from the light emitting element 44 is scattered by the smoke particles and the scattered light. Reaches the light receiving element 45. Thus, smoke is detected.

  A gap 2 is provided between the cylindrical dark box 77 and the top of the central portion of the cover 73, and the sheet 1 is inserted there. An insertion port 3 for inserting the sheet 1 is opened on one side of the gap 2.

  Since the sheet 1 is filled with a volatile substance and the central portion on the top side of the dark box 77 is opened, the volatile substance naturally volatilized from the sheet 1 is filled in the dark box 77, and the dark box On the contrary, it passes through the smoke inlet 78 formed on the outer periphery of 77 and is diffused into the room where the fire alarm S is installed.

  When this volatile substance is a fragrance, the fragrance diffused from the fire alarm S installed at a high location on the wall surface, etc., efficiently spreads into the room and tends to act on the fragrance.

  In addition, when the volatile substance is an insect repellent, the volatilized substance first spreads in the dark box 77 and then passes through the smoke inlet 78 and spreads outside, so that the insect repellent is concentrated from the smoke inlet 78. In other words, insects do not approach the smoke inlet 78.

  In the sheet 1 in which such a volatile substance is swollen, since it volatilizes naturally, it does not occur in large quantities, but it can be used for a long time. And since it always bottoms out, it is necessary to replace | exchange regularly, and the user must touch the fire alarm S in order to replace | exchange the sheet | seat 1 at time.

  And even if you usually don't pay attention, you can check the function by operating the test / acoustic stop switch at the time of this replacement, and also make sure that the battery or commercial power supply is connected and working. Can be confirmed.

  In addition, when the volatile substance is a fragrance, the user can be aware of the presence of the fire alarm S by feeling the scent in the room and enhance the impression of the fire alarm S that is easily forgotten. Can do.

  As described above, the fire alarm device S determines whether or not an alarm is necessary based on the dark box 77 having the light emitting element 44 and the light receiving element 45 as a detection unit that detects and outputs an environmental change based on a fire phenomenon. A non-illustrated discriminating unit such as a microcomputer and an alarming unit such as a speaker (not shown) that outputs an alarm upon receiving the output are provided in the main body 74, and volatile substances for fragrance or insect protection are diffused from the main body 74. A sheet 1 is provided as a volatilizing means.

  In the fire alarm S, the volatilizing means can insert the sheet 1 infiltrated with a volatile substance between the dark box 77 that forms a substantially cylindrical detection space in the main body 74 and the flat portion of the cover 73. A holding portion is formed by the gap 2, and the volatile substance is gradually diffused from the main body 74 through the smoke inlet 78 to the outside from the sheet 1 in the gap 2.

  As a result, in the fire alarm device S, when the volatile substance released from the sheet 1 is a fragrance, the resident is aware of the origin of the scent in the living room and can appeal the presence of the fire alarm device S. . And it can touch a fire alarm device S for every expiration date of a fragrance | air_agent, and it can check visually and can perform a function check. Further, when the volatile substance is an insect repellent, it is possible to prevent insects that interfere with fire detection from collecting, and the structure of the dark box 77 can be simplified. The fire alarm device S has a simple structure that can hold the volatile substance without increasing the size of the main body 74 by providing the gap 2 for holding the sheet 1.

  In addition, the fire alarm S may be a thermal type instead of a smoke type, and can keep insects away from a detection element such as a thermistor as a detection unit, and detect heat surrounded by a protector as a monitoring space. It may be a space. And what is necessary is just to flow out a volatile substance from the inside of a main body to a detection element and monitoring space.

Embodiment 2
FIG. 4 is a cross-sectional view showing a fire alarm device Sa according to a second embodiment which is an embodiment of the present invention. The external appearance of the fire alarm device Sa is the same as that of the first embodiment, and is omitted.

  Since the fire alarm device Sa of the second embodiment has substantially the same configuration as that of the first embodiment, the same reference numerals are given to the same members and the description thereof will be omitted, and the differences will be described below.

  In the main body 74 of the fire alarm device Sa, as a difference from the first embodiment, a volatile substance storage unit 6 that is a small container and a volatile substance through a core material penetrating from the storage unit 6 are provided. And an electromagnetic part 7 is formed which is volatilized positively by high-frequency oscillation.

  The substance volatilized by the electromagnetic unit 7 first diffuses into the main body 74, but the main body 74 has no large opening, the central portion on the bottom side of the dark box 77 is open, and the printed circuit board 76. Similarly, the corresponding position of is also opened, so that the volatile substance volatilized from the electromagnetic part 7 is filled in the dark box 77, and the smoke flow formed on the outer periphery of the dark box 77 is the same as in the first embodiment. On the contrary, it passes through the entrance 78 and is diffused into the room where the fire alarm Sa is installed.

  As a result, as in the first embodiment, when the volatile substance is a fragrance, the fragrance diffused from the fire alarm device Sa installed at a high position on the wall surface, etc., efficiently reaches the room, It is easy to act. Further, when the volatile substance is an insect repellent, the volatilized substance first spreads in the dark box 77 and then passes through the smoke inlet 78 and spreads outside, so that the insect repellent is concentrated from the smoke inlet 78. In other words, no insects approach the smoke inlet 78.

  In this way, by holding the volatile substance in the storage unit 6, a larger amount of the substance than natural volatilization can be volatilized, and at the same time, it can be used for a long time. And like Embodiment 1, it still has a bottom, so it needs to be replaced regularly, and the user must touch the fire alarm S to replace the seat 1 at the right time. .

  In addition, if the internal volume in the storage unit 6 can be visually confirmed from the outside, the volatile substance can be efficiently replenished. Furthermore, if a sensor unit for detecting the content in the storage unit 6 is formed so that a slight warning is issued when the bottom is reached, replenishment will not be forgotten. At the same time, the maintenance inspection of the fire alarm Sa is not forgotten, which is effective for the user.

  As described above, the fire alarm device Sa determines whether or not an alarm is necessary based on the dark box 77 having the light emitting element 44 and the light receiving element 45 as a detection unit that detects and outputs an environmental change based on the fire phenomenon. A discriminating unit such as a microcomputer that performs an alarm and a warning unit such as a speaker (not shown) that generates an alarm in response to the output is provided in the main body 74, and the volatilization that diffuses volatile substances for fragrance or insect protection from the main body 74 A storage unit 6 and an electromagnetic unit 7 are provided as means.

  The fire alarm device S includes a storage unit 6 disposed in the main body 74 and an electromagnetic unit 7 that scatters volatile substances in the storage unit 6, and a detection space formed in the main body 74. Through the smoke inlet 78 and dissipate to the outside.

  As a result, in the fire alarm device Sa, when the volatile substance released from the sheet 1 is a fragrance, the resident is aware of the origin of the scent in the living room and can appeal the presence of the fire alarm device S. . And it can touch a fire alarm device Sa for every expiration date of a fragrance | flavor, and can perform a function check simultaneously. Further, when the volatile substance is an insect repellent, it is possible to prevent insects that interfere with fire detection from collecting, and the structure of the dark box 77 can be simplified. And the fire alarm device Sa can dissipate a volatile substance by the electromagnetic part 7, and can dissipate a sufficient amount more effectively than natural radiation.

  Note that a heating unit or the like may be used instead of the electromagnetic unit 7 as means for positively volatilizing the volatile substance.

Sectional drawing which shows Embodiment 1 of this invention. FIG. 2 is a front view showing the appearance of the first embodiment. The side view of FIG. Sectional drawing which shows Embodiment 2 of this invention.

Explanation of symbols

1 sheet 2 gap 6 storage part 7 electromagnetic part 74 main body 77 dark box

Claims (3)

A detection unit that detects and outputs an environmental change based on a fire phenomenon, a determination unit that determines whether or not an alarm is necessary based on the output of the detection unit, and an alarm unit that issues a warning in response to a fire output from the determination unit; In the fire alarm equipped with in the main body,
The fire alarm device further comprises a volatilizing means for releasing a volatile substance for fragrance or insect protection from the main body.   The volatilization means has a holding part formed by a gap into which a sheet infiltrated with a volatile substance can be inserted in a plane part of a substantially cylindrical detection space formed in the main body, and the volatile property is removed from the sheet in the holding part. The fire alarm according to claim 1, wherein the substance is gradually diffused from the main body to the outside.   The volatilization means includes a storage unit for volatile substances disposed in the main body and an electromagnetic unit for scattering the volatile substances in the storage unit, and dissipates outside through a detection space formed in the main body. The fire alarm according to claim 1, wherein

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