Fire sensor

Abstract

To provide a fire sensor that can improve visibility in relation to notification with light emission.SOLUTION: A fire detector (100) includes: a sensing unit (20) that senses the occurrence of a fire; an indicator lamp (30) that emits light when the sensing unit (20) senses the occurrence of a fire; and a frame body (10) in which the sensing unit (20) and the indicator lamp (30) are housed. The frame body (10) has a shape that allows a state where the indicator lamp (30) is emitting light to be viewed from the outside. The indicator lamp (30) emits light such that it can be viewed from the outside by means of a dynamic pattern that is generated by adding motion to emitted light.SELECTED DRAWING: Figure 1

Description

[Technical Field]

[0001] The present disclosure relates to a fire detector that lights up when a fire occurs. [Background technology]

[0002] When a fire detector detects a fire, it sounds an alarm and also lights up an indicator light to visually notify the occurrence of a fire.

[0003] The following fire detectors have been disclosed that visually warn of a fire by lighting up (see, for example, Patent Document 1): The fire detector in Patent Document 1 improves visibility by reflecting light from the display using a reflector. [Prior art documents] [Patent documents]

[0004] [Patent Document 1] Japanese Patent Publication No. 2023-93661 Summary of the Invention [Problem to be solved by the invention]

[0005] In the fire detector of Patent Document 1, the visibility from a certain direction can be improved by providing a reflector. However, because both the display unit and the reflector are fixed in place, the light from the fire detector also remains stationary and unnoticeable. For this reason, improved visibility is desired.

[0006] The present disclosure has been made to solve the above-mentioned problems, and aims to provide a fire detector that can improve visibility in relation to alerts by light emission. [Means for solving the problem]

[0007] The fire detector of the present disclosure comprises a sensing unit that detects the occurrence of a fire, an indicator light that lights up when the sensing unit detects the occurrence of a fire, and a frame body that houses the sensing unit and the indicator light, the frame body having a shape that allows the indicator light to be seen from the outside when it is emitting light, and the indicator light emits light that is visible from the outside in a dynamic pattern that adds movement to the light it emits. [Effects of the Invention]

[0008] According to the present disclosure, an object is to obtain a fire detector that can improve visibility in relation to alerts by light emission. [Brief explanation of the drawings]

[0009]

Figure 1

Figure 2

Figure 3

[0010] Hereinafter, preferred embodiments of the fire detector of the present disclosure will be described with reference to the drawings. When the fire detector of the present disclosure detects a fire, it sounds an alarm and illuminates an indicator light to visually notify the user of the fire.

[0011] In addition, the fire detector disclosed herein has a technical feature in that the indicator light is covered so that the illuminating state can be seen from the outside, and the emitted light emits light in a dynamic pattern that adds movement.

[0012] Embodiment 1 Fig. 1 is a perspective view illustrating an example of the appearance of a fire detector according to embodiment 1. Fig. 1 shows a perspective view of the contact surface between the fire detector and a ceiling when the fire detector is attached to the ceiling, as viewed from above.

[0013] In FIG. 1, the fire detector 100 has a structure in which a frame body 10 forming an exterior houses a detection unit 20 and an indicator light 30, which will be described later.

[0014] The frame body 10 includes a main body frame body 50 and an indicator light frame body 51, and these are connected by a frame member 14.

[0015] The main body frame body 50 is a frame body that houses the detection unit 20 to be described later, and is fixed to an installation surface such as a ceiling or a wall in a room via a contact surface 11. In practice, the main body frame body 50 is installed on an installation surface such as a ceiling with its base surface, and is fixed to the installation surface by fitting with the base surface.

[0016] A smoke inlet 13 for taking in smoke at the time of a fire is provided on the main body side surface 12 of the main body frame body 50. When the fire detector 100 is a smoke detector, the fire detector 100 detects a fire when the smoke at the time of a fire is taken into the interior through the smoke inlet 13.

[0017] The indicator light frame body 51 is a frame body that houses the indicator light 30, and includes an indicator light pedestal 15 and a transparent cap 16.

[0018] The indicator light pedestal 15 is a pedestal for placing the indicator light 30.

[0019] The transparent cap 16 is a cap for protecting the indicator light 30. The transparent cap 16 is formed of, for example, a colorless and transparent material so that the state in which the indicator light 30 is emitting light can be visually recognized from the outside.

[0020] The frame member 14 is a member that connects the indicator light pedestal 15 and the main body frame body 50. By the frame member 14, the indicator light 30 is fixed to the detection unit 20, and the indicator light 30 and the detection unit 20 are integrated.

[0021] FIG. 2 is a cross-sectional view of the fire detector 100 shown in FIG. 1.

[0022] 2, the sensing unit 20 is, for example, a photoelectric spot-type sensor, and is provided with a light-emitting unit and a light-receiving unit (not shown) in the space inside the housing. The light-receiving unit is located in a position where it does not receive light from the light-emitting unit under normal conditions.

[0023] When smoke from a fire occurs in the fire monitoring area where the fire detector 100 is installed and this smoke flows into the housing of the detection unit 20 through the smoke inlet 13, the light from the light-emitting unit hits the smoke particles and is diffused.

[0024] The sensing unit 20 utilizes the characteristics of diffused reflection of light by smoke. That is, the light receiving unit of the sensing unit 20 receives the diffused light, and when the amount of received light exceeds a specified value, the sensing unit 20 outputs a fire signal, indicating that a fire has been detected.

[0025] A control unit 21 is provided inside the main body frame 50 so as to be integrated with the detection unit 20. The control unit 21 is a unit that controls the light emission of the indicator light 30. In this example, when the control unit 21 receives a fire signal from the detection unit 20, it supplies power from a battery (not shown) to the indicator light 30, causing the indicator light 30 to emit light.

[0026] The indicator light 30 according to the first embodiment is configured as a rotating light including a motor 31, a rotating base 32, a light emitter 33, and a reflector , as an example.

[0027] The motor 31 is provided inside the indicator light base 15. The motor 31 uses power supplied from the control unit 21 to rotate a rotary table 32 fixed to the tip of an output shaft 31A.

[0028] 2, a through-hole 14A is provided in the frame member 14, and a wire 22 for electrically connecting the indicator light 30 to the sensing unit 20 is passed through the through-hole 14A. The motor 31 receives a supply of power from the control unit 21 via the wire 22.

[0029] The rotating base 32 is fixed to the output shaft 31A of the motor 31 so as to face the base surface 15A of the indicator light base 15. The rotating base 32 rotates around the axis of the output shaft 31A relative to the indicator light base 15, that is, in the direction indicated by the dashed arrow in FIG.

[0030] A light emitter 33 is provided at the center of rotation of the rotating table 32. The light emitter 33 emits light in a specific color such as red or white. Note that the light emitter 33 may be one that changes to multiple colors.

[0031] A reflecting mirror 34 is provided on the rotating table 32, and when the rotating table 32 rotates, the reflecting mirror 34 also rotates accordingly.

[0032] The reflecting mirror 34 has a curved surface 34A that partially covers the light emitting body 33. The reflecting mirror 34 reflects the light from the light emitting body 33 at the curved surface 34A. As a result, the light emitted from the light emitting body 33 is emitted in the direction in which the curved surface 34A is facing.

[0033] With this configuration of the indicator light 30, when the sensing unit 20 detects the occurrence of a fire, the light emitter 33 emits light, and the rotating base 32 and reflector 34 rotate around the axis of the output shaft 31A relative to the indicator light base 15. This allows the indicator light 30 to emit light while changing the direction of light emission over time.

[0034] As described above, the transparent cap 16 is made of a colorless and transparent material to ensure visibility from the outside. As a result, the light from the indicator light 30 can be seen from the outside through the transparent cap 16.

[0035] Fig. 3 is a plan view of the fire detector 100 shown in Fig. 1 when the indicator light 30 is modified to have another configuration. Note that Fig. 3 is a plan view seen from the direction facing the base surface 15A of the indicator light base 15, and the main body frame 50 and frame member 14 are omitted.

[0036] 3, the indicator light 30 includes a plurality of light emitters 33. The plurality of light emitters 33 are arranged side by side in the circumferential direction of the base surface 15A of the indicator light base 15.

[0037] When the detection unit 20 detects the occurrence of a fire based on a command from the control unit 21, each light emitter 33 emits light in a preset light emission pattern.

[0038] For example, by setting the light emission pattern to one in which each light emitter 33 emits light in the order in which they are arranged in the circumferential direction, the indicator light 30 will emit light in the order shown by the dashed arrows in Fig. 3. Therefore, the indicator light 30 shown in Fig. 3 can perform light emission control equivalent to that of the rotating light described in Figs. 1 and 2, without mechanical rotation control using a motor 31, a rotating base 32, etc.

[0039] 3, it is possible to use not only a light emitting pattern that rotates in a fixed direction like a rotating light, but also a light emitting pattern that rotates in a reverse direction or changes the rotation speed along the way. It is also possible to use a light emitting pattern in which the light emitters 33 are divided into multiple groups and emit light alternately in groups. In other words, the configuration shown in FIG. 3 allows the light emitting pattern to be flexibly changed based on commands from the control unit 21.

[0040] In the first embodiment, a rotating light or a plurality of light emitters 33 is used as the indicator light 30, and the indicator light 30 emits light while changing the direction of light emission, but the present invention is not limited to these. Any embodiment may be used as long as the indicator light 30 emits light in a manner that makes the emitting state of the indicator light 30 visible from the outside and that makes the emitted light visible from the outside by adding movement to a dynamic pattern.

[0041] Another example of such an indicator light 30 is a mirror ball with a light-emitting body inside and a spherical shape with part of it made transparent.

[0042] In addition, in the first embodiment, the transparent cap 16 is provided so that the state in which the indicator lamp 30 is emitting light can be visually recognized from the outside. However, the present invention is not limited to this. For example, a configuration may be adopted in which a gap is provided in the frame body 10 and light is emitted from the gap.

[0043] When the features of such a fire detector 100 are summarized, it has the following configuration and can achieve the effects.

[0044] The fire detector 100 includes a detection unit 20 that detects the occurrence of a fire, an indicator lamp 30 that emits light when the detection unit 20 detects the occurrence of a fire, and a frame body 10 that houses the detection unit 20 and the indicator lamp 30. The frame body 10 has a shape that allows the state in which the indicator lamp 30 is emitting light to be visually recognized from the outside. Further, the indicator lamp 30 emits light so as to be visually recognized from the outside by a dynamic pattern in which movement is added to the emitted light.

[0045] As a result, a fire detector 100 can be obtained that can improve visibility with respect to notification by light emission. In addition, since guidance can be performed through vision, it is possible to quickly guide evacuation to a person with hearing impairment.

[0046] The indicator lamp 30 is a rotating lamp that emits light by a dynamic pattern in which movement is added by changing the light emission direction over time.

[0047] In this way, by using the indicator lamp 30 as a rotating lamp, the light can be moved to make it conspicuous, and the visibility can be improved.

[0048] Further, the frame body 10 includes an indicator lamp pedestal 15 that is a pedestal for installing the indicator lamp 30, and the indicator lamp 30 includes a plurality of light emitters 33 arranged in the circumferential direction of the indicator lamp pedestal 15. Each light emitter 33 emits light by a dynamic pattern in which movement is added according to a preset light emission pattern when the detection unit 20 detects the occurrence of a fire.

[0049] This allows the indicator lamp 30 to emit light in various patterns.

[0050] The light emission pattern is a pattern in which the light emitters 33 emit light in sequence in the circumferential arrangement.

[0051] This allows the indicator light 30 to perform light emission control equivalent to that of a rotating light.

[0052] The frame 10 is formed as a transparent cap 16 that covers the indicator light 30, so that the light emitted by the indicator light 30 can be seen from the outside through the transparent cap 16.

[0053] This protects the indicator lamp 30 from impacts and the like, and also prevents the amount of transmitted light emitted from the light emitter 33 from attenuating, thereby preventing loss of visibility.

[0054] The frame 10 also has a gap that allows the light emitted by the indicator lamp 30 to be visible from the outside.

[0055] This allows the light emitted from the indicator lamp 30 to be visible from the outside through the gap.

[0056] The frame body 10 also has a frame member 14 that fixes the indicator light 30 to the sensing unit 20. The frame member 14 is provided with a through hole 14A through which wiring 22 passes to electrically connect the indicator light 30 to the sensing unit 20.

[0057] By providing such a frame member 14, it is possible to separate the indicator light 30 from the sensing unit 20 while maintaining the unity of the sensing unit 20 and the indicator light 30. Furthermore, by passing the wiring 22 through the through hole 14A of the frame member 14, it is possible to prevent the wiring 22 from being exposed, thereby improving the aesthetic appearance. [Explanation of symbols]

[0058] 10 Frame body, 11 Contact surface, 12 Body side surface, 13 Smoke flow inlet, 14 Frame member, 14A Through hole, 15 Indicator lamp pedestal, 15A Pedestal surface, 16 Transparent cap, 20 Sensing part, 21 Control part, 22 Wiring, 30 Indicator lamp, 31 Motor, 31A Output shaft, 32 Turntable, 33 Light emitter, 34 Reflector, 34A Curved surface, 50 Main body frame, 51 Indicator lamp frame, 100 Fire detector.

Claims

1. A sensing unit that senses the occurrence of a fire, An indicator light that emits light when the sensing unit senses the occurrence of the fire, A frame body that houses the sensing unit and the indicator light, Comprising, The frame body has a shape that allows the state in which the indicator light is emitting light to be visually recognized from the outside, The indicator light emits light in a dynamic pattern with movement added to the emitted light, making it visually recognizable from the outside, Fire detector.

2. The indicator light is a rotating light that emits light in the dynamic pattern with the added movement by changing the light emission direction over time, The fire detector according to Claim 1. [[ID=ll]]

3. The frame body includes an indicator light pedestal that is a pedestal for installing the indicator light, The indicator light includes a plurality of light emitters arranged side by side in the circumferential direction of the indicator light pedestal, Each of the light emitters emits light in the dynamic pattern with the added movement according to a preset light emission pattern when the sensing unit senses the occurrence of the fire, The fire detector according to Claim 1.

4. The light emission pattern is a pattern in which each of the light emitters emits light in order along the arrangement order in the circumferential direction, The fire detector according to Claim 3.

5. The frame body is formed as a transparent cap that covers the indicator light, and through the transparent cap, the light emission of the indicator light is visually recognizable from the outside, The fire detector according to any one of Claims 1 to 4.

6. The frame body has a gap through which the light emission of the indicator light is visually recognizable from the outside, The fire detector according to any one of Claims 1 to 4. 【Claim?】 The frame body has a frame member that fixes the indicator light to the sensing unit, The frame member is provided with a through hole through which wiring for electrically connecting the indicator light to the sensing unit passes, The fire detector according to any one of Claims 1 to 4.

Images