Disaster prevention equipment

By setting the light guide part and the thin flesh part on the outer cover of the fire detector, the problem of invisible information under the test fixture coverage is solved, and information visualization and design flexibility are achieved.

JP7626334B2Active Publication Date: 2025-02-04HOCHIKI CORP
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Patent Information

Application Number
JP2019096912
Authority / Receiving Office
JP · JP
Patent Type
Patents
Current Assignee / Owner
Filing Date
2019-05-23
Publication Date
2025-02-04
Estimated Expiration
2039-05-23

AI Technical Summary

Technical Problem

During testing of existing fire detectors, the user cannot effectively obtain test information because the test fixture covers some sensors.

Method used

A fire detector is designed to provide a light guide portion and a thin meat portion on the external cover so that the test information can be displayed through the light guide portion and a thin meat portion even when the test fixture is covered.

Benefits of technology

It is realized that under the situation of testing fixture coverage, users can still see the test information through the light guide part and the thin meat part, which improves the visibility of information acquisition and design freedom.

✦ Generated by Eureka AI based on patent content.

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Abstract

To provide a disaster prevention device that allows a user to grasp information about a test while at least a part of the disaster prevention device is covered with a test device.SOLUTION: A sensor 100 comprises an outer cover 11 and display means, provided in the outer cover 11, for outputting at least information about a test of a disaster prevention device by emitting light. At least a part of a display surface of the display means is exposed to the outside of a test device when at least a part of the outer cover 11 is covered with the test device to conduct a test of the sensor 100. The display means is formed on the side surface of the outer cover 11. The display means is also formed on an edge part of the outer cover 11 at a front part. The display means is a part of a light guide part 111, formed on the outer cover 11, for guiding light from a light emission part.SELECTED DRAWING: Figure 1
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Description

[Technical field]

[0001] The present invention relates to disaster prevention equipment. [Background technology]

[0002] Conventionally, a detector that is installed on a ceiling or the like to detect heat caused by a fire has been known (see, for example, Patent Document 1). This detector is periodically tested, and is configured to output information related to the test by illuminating an indicator light provided on the outer cover of the detector. [Prior art documents] [Patent documents]

[0003] [Patent Document 1] JP 2012-198757 A Summary of the Invention [Problem to be solved by the invention]

[0004] However, the testing of the detector in Patent Document 1 was carried out, for example, by applying heat to the detector using a cylindrical test jig that covered at least a portion of the detector. Therefore, while at least a portion of the detector was covered with the test jig and heat was being applied, the detector's indicator light would be hidden by the test jig and would not be visible, which could prevent the user from understanding information about the test while heat was being applied.

[0005] Therefore, there is room for improvement in terms of making it possible to grasp information about a test even when at least a portion of the sensor is covered by a test jig.

[0006] The present invention has been made in consideration of the above-mentioned problems, and aims to provide disaster prevention equipment that allows information regarding the test to be grasped even when at least a portion of the disaster prevention equipment is covered by a testing device. [Means for solving the problem]

[0007] In order to solve the above-mentioned problems and achieve the object, the disaster prevention device described in claim 1 is a disaster prevention device to be installed in a monitoring area, comprising an outer cover, a light emitting means for outputting at least information related to a test of the disaster prevention device by emitting light, and a light-conducting protective means attached to the outer cover, which contains a detection element for detecting heat in the monitoring area by a frame part while exposing the detection element from the outer cover to the space of the monitoring area through an opening. A thin-walled portion that is thinner than other portions of the outer cover and the protection means causes light from the light emitting means to be incident on the protection means and Thin section a spectroscopic unit for making the light enter the Thin section At least a part of the protective means is exposed to the outside of the test device when the protective means is covered with the test device to test the disaster prevention device, Thin section The light incident on It is visible from the outside of the test device.

[0008] The disaster prevention device according to claim 2 is the disaster prevention device according to claim 1, Thin section extends from the front side of the outer cover to the side side of the outer cover. Effect of the Invention

[0014] According to the disaster prevention device of claim 1, for example, It will be possible for students to grasp information about the exam. [Brief description of the drawings]

[0021] [Figure 1] FIG. 2 is a perspective view of the sensor according to the first embodiment. [Diagram 2] FIG. [Diagram 3] FIG. [Figure 4] FIG. 3 is a cross-sectional view taken along line A-A of FIG. [Diagram 5] FIG. 5 is a diagram illustrating the optical paths in FIG. 4. [Figure 6]FIG. 2 is a side view showing the test device and the sensor. [Figure 7] FIG. 5 is a diagram illustrating a test jig for the cross-sectional view of FIG. 4. [Figure 8] FIG. 5 illustrates a test adapter for the cross-sectional view of FIG. 4. [Figure 9] FIG. 11 is a perspective view of a sensor according to a second embodiment. [Figure 10] FIG. [Figure 11] FIG. [Figure 12] This is a cross-sectional view taken along line B-B of Figure 10. [Figure 13] FIG. 13 is a diagram illustrating the optical paths in FIG. 12. [Figure 14] FIG. 13 is a diagram illustrating a test jig for the cross-sectional view of FIG. 12. [Figure 15] FIG. 13 illustrates a test adapter relative to the cross-sectional view of FIG. 12. [Figure 16] FIG. [Figure 17] FIG. 17 is a diagram illustrating a test jig for the CC cross section of FIG. 16. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0022] DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, an embodiment of a disaster prevention device according to the present invention will be described in detail with reference to the drawings. However, the present invention is not limited to the embodiment.

[0023] [Basic Concept of the Embodiment] First, a basic concept of the embodiment will be described. The embodiment generally relates to disaster prevention equipment.

[0024] The term "disaster prevention equipment" refers to equipment used for disaster prevention, and is a concept that includes, for example, equipment that detects abnormalities in a monitoring area, and examples of the concept include heat detectors, fire detectors, gas detectors, and smoke detectors. In addition, the term "disaster prevention equipment" includes, for example, an outer cover and a display means.

[0025] A "monitored area" is an area that is the subject of monitoring by disaster prevention equipment, and specifically, is a space with a certain extent, and is a concept that includes, for example, rooms in a building (e.g., room A on the first floor, room B on the first floor, etc.), corridors, stairs, etc. Also, an "abnormality in a monitored area" is a state in which the state of the monitored area is different from normal, and specifically, is a concept that includes the occurrence of a fire, a gas leak, etc.

[0026] An "outer cover" is, for example, something that covers at least a portion of the components of a disaster prevention device.

[0027] A "display means" is a means that outputs at least information regarding the testing of disaster prevention equipment by emitting light, and is provided on the outer cover; specifically, the concept includes a means or portion where at least a part of the display surface of the display means is exposed to the outside of the testing equipment when at least a part of the outer cover is covered with testing equipment to test disaster prevention equipment.

[0028] Furthermore, the term "display means" is a concept including, for example, a thing or a portion protruding from the side portion of the cover, and also a concept including at least a thing or a portion formed on the edge portion of the front portion of the outer cover, and also a concept including light guiding means, and also a concept including thin-walled portions, etc. Furthermore, the term "display surface of the display means" is a concept including, for example, a surface of the display means exposed to the outside of the disaster prevention equipment, a light-emitting surface, and a surface visible to the user, etc.

[0029] The "light guiding means" is, for example, a means formed in the outer cover, and is a concept including a part or a portion that guides light from the light emitting means. The "thin portion" is, for example, a part that is thinner than other parts of the outer cover, and is a concept including a part onto which light from the light emitting means is irradiated, and also a part that transmits part of the irradiated light. The "light emitting means" is, for example, a means that outputs light.

[0030] In each of the embodiments described below, the case where the "disaster prevention equipment" is a heat detector will be described, and in particular, in embodiment 1, the case where the display means is a light guiding means will be described, and in embodiment 2, the case where the display means is a thin-walled portion will be described.

[0031] [Specific details of the embodiment] Next, the specific contents of the embodiment will be described.

[0032] (Embodiment 1) First, a description will be given of embodiment 1. In this embodiment, a case where the display means is a light guide means will be described.

[0033] (Configuration-sensor) First, the configuration of the sensor according to the present embodiment will be described. FIG. 1 is a perspective view of the sensor according to the embodiment of the present invention, FIG. 2 is a plan view of the sensor, FIG. 3 is a side view of the sensor, and FIG. 4 is a cross-sectional view taken along the line A-A in FIG. 2. In each figure, the Z axis indicates the vertical direction, and the X and Y axes perpendicular to the Z axis indicate the horizontal direction. For example, the terms "front part", "rear part", and "side part" will be described as terms that refer to parts of the sensor 100. Specifically, when the sensor 100 is installed on the mounting target 900, which is a ceiling surface, the side of the sensor 100 that is located on the floor surface side (the opposite side of the mounting target 900 with the sensor 100 as a reference) (-Z direction in FIG. 3) is referred to as the "front part", and the side of the sensor 100 that faces the mounting target 900, which is the ceiling surface (+Z direction in FIG. 3) is referred to as the "rear part". The peripheral surface connected to the "front portion" and the "rear portion" of sensor 100 is referred to as the "side portion." The definitions of the "front portion," "rear portion," and "side portion" are the same in the second embodiment.

[0034] The detector 1 in each of Figures 1 to 4 is a disaster prevention device, and more specifically, a heat detector that detects heat, which is attached to an attachment target 900, for example, a ceiling surface, via an attachment part 101 (for example, a so-called "detector base"; detailed structure not shown) of the detector 100 in Figure 3, and as an example, includes an outer cover 11, a protective part 12, a prevention part 13 in Figure 1, and a thermistor 14 and a light-emitting part 15 in Figure 4.

[0035] (Configuration - Sensor - Outer cover) The outer cover 11 in Fig. 1 covers at least a part of the components of the sensor 100. The specific type and configuration of the outer cover 11 are arbitrary, but for example, as shown in Fig. 3, the outer cover 11 has a cylindrical portion with the same diameter even when it is away from the mounting part 101, and a tapered portion with a smaller diameter as it is away from the mounting part 101, and has light-shielding properties except for parts specifically mentioned, and also has a light guide part 111 and an operation hole 112 in Fig. 2. Note that "light-shielding properties" refers to the ability to block light, and is a concept that indicates, for example, the ability of the outer cover 11 to block light from the inside to the outside.

[0036] The light guide unit 111 is the display means and the light guide unit. The specific type and configuration of the light guide unit 111 are arbitrary, but for example, the light guide unit 111 is formed in a part of the outer cover 11, is formed of an arbitrary material to function as a light guide that guides light and emits light, is formed separately from the part of the outer cover 11 having light blocking properties, and transmits light from the inside to the outside of the outer cover 11. For example, the light guide unit 111 has a display surface (a surface exposed to the outside of the sensor 100 shown in Figs. 2 and 3) that extends from the front side (-Z direction) of the outer cover 11 to the side side (+X direction or -X direction) of the outer cover 11, and two light guide units 111 are provided. As shown in Fig. 2, the display surface of the light guide unit 111 has a linear shape when viewed from the front side of the outer cover 11, and is provided at a position corresponding to the position of the operation hole 112.

[0037] The operation hole 112 is an operation means for physically operating the sensor 100. The specific type and configuration of this operation hole 112 are arbitrary, but for example, it is a hole into which a protrusion of a predetermined tool is inserted in order to rotate the outer cover 11 of the sensor 100 relative to the mounting part 101.

[0038] (Configuration - Sensor - Protection part) The protective part 12 in FIG. 1 is a detection element protection means. The "detection element protection means" is, for example, a means for housing and protecting the thermistor 14, which is a detection element. The specific type and configuration of the protective part 12 are arbitrary, but for example, the protective part 12 is formed in a part of the outer cover 11, is formed of an arbitrary material to function as a light guide that guides light and emits light, is formed separately from a part of the outer cover 11 that has light blocking properties, and allows light to pass from the inside to the outside of the outer cover 11. The protective part 12 is, for example, a means for protecting the thermistor 14 in FIG. 4, has a hollow part for housing the thermistor 14, protrudes from the outer cover 11 toward the opposite side (-Z direction) of the attachment part 101, is provided in the center of the outer cover 11 in the direction in which the outer cover 11 spreads (direction parallel to the XY plane), and is formed integrally with the light guide part 111. 4. The protective section 12 includes, for example, a frame section 121 and an opening section 122 shown in FIG. 1, and a spectroscopic section 123 shown in FIG.

[0039] The frame portion 121 is, for example, a part that forms at least a part of the outer shape of the protective portion 12, and is also a part that includes one circular member that forms the tip portion (-Z direction) of the sensor 100, and six support members that support the circular member between the circular member and the outer cover 11.

[0040] The openings 122 are, for example, portions that allow hot air flow to flow in or out of the thermistor 14 provided in the hollow portion of the protective portion 12, and are provided in six portions separated by the six support members of the frame portion 121 described above.

[0041] The spectroscopic section 123 is, for example, a section that refracts, disperses, or reflects the light output from the light-emitting section 15, and is a section that faces the light-emitting section 15.

[0042] (Configuration - Sensor - Prevention part) 1 is a preventive means for preventing a contact object from coming into contact with the thermistor 14 housed in the protective unit 12. The "contact object" is an object that is prevented from coming into contact by the preventive unit 13, and is a concept including, for example, a user's finger. The specific type and configuration of the preventive unit 13 are arbitrary, and is, for example, a protrusion provided at the opening 122.

[0043] (Configuration - Sensor - Thermistor) The thermistor 14 in Fig. 4 is a detection element. A "detection element" is, for example, a component for detecting a physical quantity of a detection target. The "physical quantity of a detection target" is, for example, a quantity that may occur or change due to an abnormality in the monitoring area, and is a concept that includes, for example, temperature due to heat or hot air currents. The specific type and configuration of this thermistor 14 are arbitrary, but, for example, it detects temperature due to heat or hot air currents, protrudes in a direction (Z-axis direction) perpendicular to the direction in which the outer cover 11 extends, and is housed in the protective part 12.

[0044] (Configuration - Sensor - Light Emitting Unit) Light-emitting unit 15 in Fig. 4 is the light-emitting means described above. The specific type and configuration of light-emitting unit 15 are arbitrary, but for example, light-emitting unit 15 causes light-guiding unit 111 and protective unit 12 to emit light, and outputs light toward spectroscopic unit 123, and can be configured using a light-emitting diode or the like.

[0045] (Lights up) Next, light emission by the thus configured sensor 100 will be described. The sensor 100 may emit light at any timing, for example, when outputting information related to a test of the sensor 100, or when the sensor 100 judges a fire based on the temperature of heat detected by the thermistor 14. The process by which the sensor 100 judges a fire can be the same as the conventional process, and therefore the description thereof will be omitted. FIG. 5 is a diagram illustrating the optical paths in FIG. 4.

[0046] A control unit (not shown) of the sensor 100 in Fig. 5 outputs light from the light-emitting unit 15. In this case, the light from the light-emitting unit 15 is refracted, dispersed, or reflected by the spectroscopic unit 123, and is guided to the entire light-guiding unit 111 and the protective unit 12 as shown in Fig. 5. For convenience of explanation, Fig. 5 only shows the optical path of the light from the light-emitting unit 15 on the left side of the drawing, but in reality, light is also output from the light-emitting unit 15 on the right side of the drawing and is guided to the entire light-guiding unit 111 and the protective unit 12. Then, the entire light-guiding unit 111 and the protective unit 12 in Fig. 1 emit light.

[0047] (test) Next, a test of the thus configured detector 100 will be described. The term "test" refers to testing the capabilities of the detector 100. The specific content of the test of the detector 100 is arbitrary, but for example, a test will be described in which a test is performed to see whether the detector 100 detects the applied heat when heat is applied to the detector 100 by simulating the occurrence of a fire using a test device described later. Here, the following description will be given assuming that the controller of the detector 100 is configured to obtain the temperature detection result of the thermistor 14, detect a fire when the obtained temperature is equal to or higher than a threshold, and output information indicating that the detector 100 has detected a fire in the test by continuing to output red light from the light-emitting unit 15 in FIG. 4.

[0048] Fig. 6 is a side view showing the test apparatus and the sensor, Fig. 7 is a diagram showing a test jig for the cross-sectional view of Fig. 4, and Fig. 8 is a diagram showing a test adapter for the cross-sectional view of Fig. 4. In Figs. 7 and 8, the test jig 81 and the test adapter 82 are shown by dashed lines for the sake of convenience. In Figs. 7 and 8, a part of the sensor 100 is provided in the hollow inside the test jig 81 and the test adapter 82 and is not actually visible, but is shown by solid lines for the sake of convenience. The sensor 100 is tested using the test apparatus 800 of Fig. 6.

[0049] (Testing - Testing Equipment) The test device 800 is a device used for testing the detector 100, and includes, for example, a handle portion and a test jig 81 as shown in FIG. 6, and optionally includes a test adapter 82 as shown in FIG.

[0050] (Test - Test equipment - Test fixtures) Test jig 81 is the above-mentioned test device, specifically, it is provided at the tip of a rod-shaped handle of test device 800, and is, for example, cylindrical with a hollow portion for accommodating at least a part of detector 100 (e.g., protective portion 12, etc.) therein and applying heat, and is made of metal. The size of this test jig 81 is arbitrary, but for example, as shown in Fig. 7, a case will be described where the outer diameter of test jig 81 is larger than the outer diameter of detector 100 and the inner diameter of test jig 81 is smaller than the outer diameter of detector 100.

[0051] (Test - Test Equipment - Test Adapter) The test adapter 82 in Fig. 8 is the above-mentioned test device, and specifically, is detachably attachable to the tip side (+Z direction) of the test jig 81 in Fig. 6, and is used, for example, to convert the diameter to a smaller diameter than the test jig 81, and is, for example, cylindrical and made of metal, and has a hollow portion that is continuous with the hollow portion of the test jig 81 when attached. The size of this test adapter 82 is arbitrary, but for example, a case will be described where the outer diameter of the test adapter 82 is smaller than the outer diameter of the sensor 100 as shown in Fig. 8.

[0052] (Exam-specific content) Next, a case where a test is performed without using the test adapter 82 and a case where a test is performed with the test adapter 82 will be described.

[0053] First, when a test is performed without using the test adapter 82, the test jig 81 is abutted against the sensor 100 as shown in FIG. 7, and a part of the sensor 100 (e.g., the protective section 12, etc.) is housed in the hollow section of the test jig 81, and heat is applied from the hollow section side of the test jig 81. In this case, the control section of the sensor 100 detects a fire and outputs red light from the light emitting section 15 in FIG. 4. Then, as described above, the red light is guided to the light guiding section 111 and the protective section 12, and the light guiding section 111 and the protective section 12 as a whole emit light. In this case, a part of the light guiding section 111 and the protective section 12 are hidden by the test jig 81 as shown in FIG. 7 and cannot be seen from the outside, but since a side section 111A, which is a part of the light guiding section 111 on the side of the side section of the outer cover 11, is exposed, the red light emitted from the side section 111A can be seen. Therefore, the user can visually recognize the red light emitted from the side portion 111A and grasp information about the test.

[0054] Next, when performing a test using the test adapter 82, the test adapter 82 is brought into contact with the sensor 100 from the front side as shown in Fig. 8, and a part of the sensor 100 (e.g., the protective section 12, etc.) is housed in the hollow section of the test adapter 82, and heat is applied from the hollow section side of the test adapter 82. In this case, the control section of the sensor 100 detects the heat and outputs red light from the light-emitting section 15 in Fig. 4. Then, as described above, the red light is guided to the light-guiding section 111 and the protective section 12, causing the entire light-guiding section 111 and the protective section 12 to emit light. In this case, a part of the light guiding section 111 and the protective section 12 are hidden by the test jig 81 as shown in Fig. 8 and cannot be seen from the outside, but a side section 111A which is a part of the side surface side of the outer cover 11 in the light guiding section 111, and a front edge section 111B which is a part formed on the edge of the front section of the outer cover 11 in the light guiding section 111 are exposed, so that the red light emitted from the side section 111A and the front edge section 111B becomes visible. Therefore, the user can grasp information related to the test by visually checking the red light emitted from the side section 111A and the front edge section 111B.

[0055] (Effects of the embodiment) Thus, according to this embodiment, when at least a portion of the outer cover 11 is covered by the test jig 81 or the test adapter 82 in order to test the sensor 100, at least a portion of the display surface of the light-guiding section 111, which is the display means, is exposed to the outside of the test jig 81 or the test adapter 82. This makes it possible to make a portion of the light-guiding section 111 visible, for example, even when at least a portion of the sensor 100 is covered by the test jig 81 or the test adapter 82, thereby making it possible to grasp information regarding the test.

[0056] In addition, since the display means includes a side portion 111A formed on the side portion of the outer cover 11, the display means can be viewed from any direction relative to the detector 100, for example, making it possible to reliably grasp information relating to the test.

[0057] In addition, since the display means includes a front side edge portion 111B formed on the edge of the front portion of the outer cover 11, the display means can be seen, for example, from directly below the sensor 100, making it possible to reliably grasp information regarding the test.

[0058] Furthermore, since the display means is part of the light-guiding section 111, it is possible to improve the freedom of installation position of the light-emitting section 15, which is a light source relative to the display means, thereby improving the freedom of design of the sensor 100.

[0059] (Embodiment 2) Next, a second embodiment will be described. In this embodiment, a case where the display means is a thin portion will be described. Each configuration of the second embodiment is the same as each configuration of the same name in the first embodiment unless otherwise specified.

[0060] (Configuration-sensor) First, the configuration of the detector according to the present embodiment will be described. Fig. 9 is a perspective view of the detector according to the embodiment of the present invention, Fig. 10 is a plan view of the detector, Fig. 11 is a side view of the detector, and Fig. 12 is a cross-sectional view taken along the line B-B of Fig. 10. The detector 200 in each figure is a disaster prevention device, specifically a heat detector for detecting heat, which is attached to an attachment target 900, for example, a ceiling surface, via an attachment part 201 of the detector 200 in Fig. 11, and includes, for example, the outer cover 21, protective part 22, and prevention part 23 in Fig. 9, and the thermistor 24 and light emitting part 25 in Fig. 12.

[0061] (Configuration - Sensor - Outer cover) The outer cover 21 in Fig. 9 covers at least a part of the components of the sensor 200. The specific type and configuration of the outer cover 21 are arbitrary, but for example, it blocks all or only a part of the light and has a thin portion 211 in Fig. 10.

[0062] The thin portion 211 is a display means, and is a portion that is relatively thinner than other portions of the outer cover 21. The specific type and configuration of the thin portion 211 are arbitrary, but for example, it is a portion that is thin enough to transmit at least a part of the irradiated light (i.e., a portion that is thin enough to block only a part of the irradiated light), is a portion that is formed integrally with other portions of the outer cover 21, extends from the front side (-Z direction) of the outer cover 21 to the side side (+X direction or -X direction) of the outer cover 21, is provided in two pieces, and has a linear shape when viewed from the front side of the outer cover 21 as shown in FIG.

[0063] It should be noted that "other parts of the outer cover 21" refers to parts of the outer cover 21, specifically, parts other than the thin-walled portion 211 of the outer cover 21, for example, parts that are thick enough to block all of the irradiated light.

[0064] (Configuration - Sensor - Protection part) The protective section 22 in Fig. 9 is the above-mentioned detection element protection means. The specific type and configuration of the protective section 22 are arbitrary, but for example, it is formed in a part of the outer cover 21, and is formed of any material to function as a light guide that guides light and emits light, and is formed separately from the part of the outer cover 21 that has light blocking properties, and passes light from the inside to the outside of the outer cover 21. The protective section 22 protects the thermistor 24 in Fig. 12, and includes the frame section 221, the opening 222, and the spectroscopic section 223 in Fig. 12, for example. The configurations of the frame section 221, the opening 222, and the spectroscopic section 223 are the same as those of the same names in the first embodiment, and therefore the description thereof will be omitted.

[0065] (Configuration: Sensor, Prevention Unit, Thermistor, Light Emitting Unit) The configurations of the prevention unit 23 in FIG. 9, thermistor 24 in FIG. 12, and light-emitting unit 25 are similar to those of the same names in the first embodiment, and therefore description thereof will be omitted.

[0066] (Lights up) Next, a description will be given of light emission by the thus configured sensor 200. FIG 13 is a diagram illustrating an example of the optical path in FIG 12.

[0067] A control unit (not shown) of the sensor 200 in Fig. 13 outputs light from the light-emitting unit 25. In this case, the light from the light-emitting unit 25 is refracted, dispersed, or reflected by the spectroscopic unit 223, and is irradiated to the entire thin-walled portion 211 and guided to the entire protective portion 22 as shown in Fig. 13. Note that, for convenience of explanation, Fig. 13 only shows the optical path of the light from the light-emitting unit 25 on the left side of the drawing, but in reality, light is also output from the light-emitting unit 25 on the right side of the drawing, is irradiated to the entire thin-walled portion 211, and is guided to the entire protective portion 22. Then, the entire thin-walled portion 211 and protective portion 22 in Fig. 10 emit light.

[0068] (test) Next, a test of the thus configured sensor 200 will be described. Fig. 14 is a diagram illustrating a test jig for the cross-sectional view of Fig. 12, and Fig. 15 is a diagram illustrating a test adapter for the cross-sectional view of Fig. 12. Here, a case where a test is performed without using a test adapter 82 and a case where a test is performed with a test adapter 82 will be described.

[0069] First, when a test is performed without using the test adapter 82, the test jig 81 is abutted against the sensor 200 as shown in FIG. 14, and a part of the sensor 200 (e.g., the protective part 22, etc.) is housed in the hollow part of the test jig 81, and heat is applied from the hollow part side of the test jig 81. In this case, the control unit of the sensor 200 detects a fire and outputs red light from the light emitting unit 25 of FIG. 13. Then, as described above, the red light is irradiated to the entire thin part 211 and is guided to the entire protective part 22, so that the entire thin part 211 and the protective part 22 emit light. In this case, a part of the thin part 211 and the protective part 22 are hidden by the test jig 81 as shown in FIG. 14 and cannot be seen from the outside, but since the side part 211A, which is a part of the thin part 211 on the side of the side part of the outer cover 21, is exposed, the red light emitted from the side part 211A can be seen. Therefore, the user can visually recognize the red light emitted from the side portion 211A and grasp information about the test.

[0070] Next, when a test is performed using the test adapter 82, the test adapter 82 is abutted against the sensor 200 as shown in Fig. 15, and a part of the sensor 200 (e.g., the protective section 22, etc.) is housed in the hollow section of the test adapter 82, and heat is applied from the hollow section side of the test adapter 82. In this case, the control section of the sensor 200 detects a fire, and outputs red light from the light-emitting section 25 in Fig. 13. Then, as described above, the light is irradiated onto the entire thin section 211 and is guided to the entire protective section 22, causing the entire thin section 211 and protective section 22 to emit light. In this case, a part of the thin portion 211 and the protective portion 22 are hidden by the test jig 81 as shown in Fig. 15 and cannot be seen from the outside, but a side portion 211A which is a part of the side surface side of the outer cover 21 in the thin portion 211, and a front edge portion 211B which is a part formed on the edge of the front portion of the outer cover 21 in the thin portion 211 are exposed, so that the red light emitted from the side portion 211A and the front edge portion 211B can be seen. Therefore, the user can grasp information related to the test by visually checking the red light emitted from the side portion 211A and the front edge portion 211B.

[0071] (Effects of the embodiment) Thus, according to this embodiment, since the display means is part of the thin portion 211, for example, it is not necessary to provide other components for emitting light, so that the number of parts can be reduced, and costs can be reduced.

[0072] [Modifications to the embodiment] Although the embodiment of the present invention has been described above, the specific configuration and means of the present invention can be modified and improved as desired within the scope of the technical ideas of each invention described in the claims. Such modifications will be described below.

[0073] (About the problem to be solved and the effects of the invention) First, the problems that the invention aims to solve and the effects of the invention are not limited to those described above, and may vary depending on the implementation environment of the invention and the details of the configuration, and may solve only some of the problems described above or achieve only some of the effects described above.

[0074] (Regarding decentralization and integration) In addition, the above-mentioned configuration is a functional concept, and does not necessarily have to be physically configured as shown in the drawings. In other words, the specific form of distribution or integration of each part is not limited to that shown in the drawings, and all or part of it can be functionally or physically distributed or integrated in any unit.

[0075] (Light guide and thin sections) In the first embodiment, as shown in Fig. 2, the case where light guide section 111 has a straight line shape when viewed from the front side of outer cover 11 has been described, but the present invention is not limited to this. For example, light guide section 111 may have a curved shape (e.g., an S-shape overall) when viewed from the front side of outer cover 11. Similarly, thin-walled section 211 in Fig. 10 of the second embodiment may also have a curved shape (e.g., an S-shape overall).

[0076] In addition, in each embodiment, the case where two light guiding parts and two thin parts are provided has been described, but this is not limited thereto. For example, the light guiding parts and the thin parts may be omitted, or one light guiding part and one thin part may be provided, or three or more light guiding parts and one thin part may be provided.

[0077] (About protruding parts) Also, a protrusion may be provided on the sensor of each embodiment, and the protrusion may be used as a display means. FIG. 16 is a plan view of the sensor, and FIG. 17 is a diagram illustrating a test jig for the CC cross-sectional view of FIG. 16. A specific implementation method of the protrusion is arbitrary, but for example, the tip of the light guide 311 having a similar configuration to the light guide 111 may be configured as the protrusion 311A ​​as shown in FIG. 16 by extending the length in the X-axis direction in the light guide 111 of FIG. 2 of the first embodiment. In the case of the sensor 300 configured in this way, when the test jig 81 is provided as shown in FIG. 17, the protrusion 311A, which is a part of the light guide 311, is exposed from the test jig 81, so that when the protrusion 311A ​​emits light due to light from the light emitting unit during testing, the user can visually recognize the light emission. When configured in this manner, the protrusion 311A, which is the display means, protrudes from the side portion of the outer cover of the detector 300, so that, for example, the protrusion 311A, which is the display means, can be reliably seen, making it possible to reliably grasp information regarding the test.

[0078] Also, for example, with respect to sensor 200 of embodiment 2, the outer shape of outer cover 21 may be formed to have a protrusion similar to that of sensor 300 of FIG. 16, and the protrusion may be made thin-walled, thereby configuring the protrusion as a display means.

[0079] Also, for example, an indicator light other than the light-guiding portion or the thin portion (for example, a conventional bullet-shaped indicator light, etc.) may be provided on the side of the sensor, and the indicator light etc. may be configured as a protruding portion serving as an indicator means.

[0080] (Features) In addition, the configurations of the above-described embodiments and the features of the modified examples may be combined in any manner. For example, a thin portion may be provided on outer cover 11 in sensor 100 in Fig. 2 so that the thin portion emits light together with light guide portion 111, or a light guide portion may be provided on outer cover 11 in sensor 200 in Fig. 10 so that the light guide portion emits light together with thin portion 211.

[0081] (Additional Note) The disaster prevention equipment of Appendix 1 is a disaster prevention equipment comprising an outer cover and a display means that outputs at least information related to testing of the disaster prevention equipment by emitting light, the display means being provided on the outer cover, and at least a portion of the display surface of the display means being exposed to the outside of a testing device when at least a portion of the outer cover is covered by the testing device in order to test the disaster prevention equipment.

[0082] The disaster prevention device of Supplementary Note 2 is the disaster prevention device of Supplementary Note 1, wherein the display means protrudes from a side portion of the outer cover.

[0083] The disaster prevention device of supplementary note 3 is the disaster prevention device according to supplementary note 1 or 2, wherein the display means is formed at least on a side portion of the outer cover.

[0084] The disaster prevention device of Supplementary Note 4 is the disaster prevention device according to any one of Supplementary Notes 1 to 3, wherein the display means is formed at least on an edge of a front portion of the outer cover.

[0085] The disaster prevention equipment of Appendix 5 is a disaster prevention equipment described in any one of Appendixes 1 to 4, wherein the display means is a light guiding means formed on the outer cover, and is the light guiding means that guides light from the light emitting means.

[0086] The disaster prevention equipment of Appendix 6 is a disaster prevention equipment described in any one of Appendixes 1 to 5, wherein the display means is a thin-walled portion that is thinner than other portions of the outer cover, and is the thin-walled portion onto which light from the light-emitting means is irradiated.

[0087] The disaster prevention device of Supplementary Note 7 is the disaster prevention device according to any one of Supplementary Notes 1 to 6, wherein the disaster prevention device is at least a heat detector.

[0088] (Effect of supplementary notes) According to the disaster prevention equipment described in Appendix 1, when at least a portion of the outer cover is covered with testing equipment in order to test the disaster prevention equipment, at least a portion of the display surface of the display means is exposed to the outside of the testing equipment. This makes it possible to make the display means visible, for example, even when at least a portion of the disaster prevention equipment is covered with the testing equipment, thereby making it possible to grasp information regarding the test.

[0089] According to the disaster prevention equipment described in Appendix 2, the display means protrudes from the side portion of the outer cover, so that, for example, the display means can be reliably seen, and therefore, information regarding the test can be reliably grasped.

[0090] According to the disaster prevention equipment described in Appendix 3, the display means is formed on the side portion of the outer cover, and therefore, for example, the display means can be seen from all directions relative to the disaster prevention equipment, making it possible to reliably grasp information regarding the test.

[0091] According to the disaster prevention equipment described in Appendix 4, the display means is formed on the edge of the front part of the outer cover, so that the display means can be seen, for example, from directly below the disaster prevention equipment, making it possible to reliably grasp information regarding the test.

[0092] According to the disaster prevention equipment described in Appendix 5, since the display means is a light-guiding section, it is possible to increase the freedom of installation position of the light source (e.g., light-emitting means) relative to the display means, thereby making it possible to increase the freedom of design of the disaster prevention equipment.

[0093] According to the disaster prevention equipment described in Appendix 6, since the display means is a thin-walled portion, for example, it is not necessary to provide other components for emitting light, so that the number of parts can be reduced, and costs can be reduced.

[0094] According to the disaster prevention equipment described in Appendix 7, since the disaster prevention equipment is at least a heat detector, it is possible to provide a heat detector that can obtain information regarding the test even when, for example, at least a portion of the disaster prevention equipment is covered by a test device. [Explanation of symbols]

[0095] 11 Outer cover 12 Protection part 13 Prevention part 14 Thermistor 15 Light emitting part 21 Outer cover 22 Protection part 23 Prevention part 24 Thermistor 25 Light emitting part 81 Test fixture 82 Test Adapter 100 sensors 101 Mounting part 111 Light guide section 111A Lateral section 111B Front edge 112 Operation hole 121 Frame section 122 Opening 123 Spectroscopic section 200 sensors 201 Mounting part 211 Thin section 211A Lateral section 211B Front edge 221 Frame section 222 Opening 223 Spectroscopic section 311 Light guide section 311A Protrusion 800 Test Equipment 900 Installation target

Claims

1. A disaster prevention device installed in a monitoring area, The outer cover and A light emitting means for outputting at least information regarding the test of the disaster prevention device by emitting light; a light-guiding protection means attached to the outer cover and configured to house a detection element for detecting heat in the monitoring area by a frame portion while exposing the detection element to the space of the monitoring area from the outer cover through an opening; a thin portion that is thinner than other portions of the outer cover; the protection means includes a spectroscopic unit for making the light from the light emitting means enter the protection means and also enter the thin portion, At least a part of the thin-walled portion is exposed to the outside of a testing device when the protection means is covered with the testing device to test the disaster prevention device, and light incident on the thin-walled portion is Visible from outside the test device. Disaster prevention equipment.

2. The thin portion extends from the front portion side of the outer cover to the side portion side of the outer cover. A disaster prevention device according to claim 1.

Citation Information

Patent Citations

  • fire alarm

    JP1332979S

  • JP1977166488U

  • Thermosensor

    JP1990257399A

  • Fire sensor with confirmation light

    JP1997128666A

  • Fire sensor with check lamp

    JP1997231483A