Hazard detector testing

Abstract

In a first embodiment, a hazard detector test system is provided, comprising a detection device configured to detect electromagnetic radiation generated by a hazard detector, and a spacer device configured to engage with the hazard detector and maintain a predetermined distance between the hazard detector and the detection device when the spacer device is engaged with the hazard detector, wherein the spacer device is in the form of a platform or a ring structure, or includes one or more walls and / or columns. In a second embodiment, a hazard detector test system may be provided, comprising a detection device configured to detect electromagnetic radiation generated by a hazard detector, and at least one mask body having an opening configured to limit the field of view of at least one sensor provided on the detection device.

Description

Technical Field

[0001] The present invention relates to testing the operation of a hazard detector and detecting the output from a hazard detector by a hazard detector test system.

Background Art

[0002] A hazard detection system can detect hazards using various sensors including a smoke sensor, a heat sensor, a gas sensor, and the like. Devices for performing functional tests of various types of hazard detectors are already known. In such devices, the test stimuli can be designed to reproduce the hazard in a non-dangerous way (e.g., heat, simulated smoke) so that the correct operation of the detector and / or system can be verified without the risk of reproducing an actual hazard (e.g., an actual fire). A test system for performing a functional test usually requires an operator to manually operate the test system to start a test on the hazard detector, manually check the output from the hazard detector during the test to determine whether the test was successful, and then manually record the results of the test. This depends on the operator performing the evaluation accurately and there is a high possibility of errors occurring.

[0003] A warning or alarm signal emitted from a hazard detector may be an electromagnetic visible light signal and can be automatically detected by a reading device on a hazard detector test system as already disclosed in the applicant's previous patent application published as UK Patent Application Publication No. 2592660. It is desirable to provide an improved configuration for detecting a signal emitted from a hazard detector.

Summary of the Invention

[0004] In a first aspect, the present invention provides a hazard detector test system comprising: a detection device configured to detect electromagnetic radiation generated by a hazard detector; and a spacer device configured to engage with the hazard detector and maintain a predetermined distance between the hazard detector and the detection device when the spacer device is engaged with the hazard detector.

[0005] In a second aspect, the present invention provides an apparatus for positioning a hazard detector at a distance from a hazard detector test apparatus during testing of the hazard detector, comprising a spacer device of the first aspect described above, configured to engage with the surface of the hazard detector and maintain a predetermined distance between the electromagnetic radiation emitter on the hazard detector and the detection device in the hazard detector test apparatus when the hazard detector test apparatus is positioned to perform testing on the hazard detector.

[0006] In a third aspect, the present invention provides a device for limiting the field of view of at least one sensor provided on a detection device in a hazard detection device for detecting electromagnetic radiation emitted by a hazard detector, the device comprising at least one mask body having an opening configured to limit the field of view of at least one sensor provided on a detection device in a hazard detector test device when the hazard detector test device is positioned to perform a test on a hazard detector.

[0007] In a fourth aspect, the present invention provides a hazard detector test system comprising: a detection device configured to detect electromagnetic radiation generated by a hazard detector; and at least one mask body having an opening configured to limit the field of view of at least one sensor provided on the detection device.

[0008] In a fifth aspect, the present invention provides a hazard detector test tool comprising a dispenser for receiving a hazard detector during testing, wherein the dispenser further comprises a test system for detecting a hazard according to the first aspect described above, a spacer device according to the second aspect described above, a limiting device according to the third aspect described above, or a test system for detecting a hazard according to the fourth aspect described above.

[0009] Further optional features relating to these embodiments of hazard detector test systems, spacer devices, and mask bodies are provided in the attached dependent claims.

[0010] Next, examples of the present invention will be described with reference to the attached drawings. [Brief explanation of the drawing]

[0011] [Figure 1] A diagram of a first example of a hazard detector test system and the hazard detector to be tested is shown. [Figure 2] Figure 1 shows the platform of the hazard detector test system. [Figure 3] Figure 1 shows the mask layer of the hazard detector test system. [Figure 4] Figure 1 shows the protective layer of the hazard detector test system. [Figure 5a] Figure 3 shows a perspective view of the notched portion of the mask layer. [Figure 5b] Figure 5a shows a side view of a portion of the notched area. [Figure 6] Figure 1 shows schematic diagrams of different radiation levels affecting the mask layer and sensors on the detection device. [Figure 7] A schematic diagram of a second example of a hazard detector test system, in which the hazard detector to be tested is positioned, is shown. [Figure 8] Figures 1 through 7 show schematic diagrams of dispensing tools that include some or all of the elements of the hazard detector test system. [Modes for carrying out the invention]

[0012] The examples described herein relate to hazard detector test systems used to test hazard detectors.

[0013] Hazard detectors, such as smoke, heat, or gas detectors, may include emitters, such as illumination sources, that output visible light to indicate information about the hazard detector. The illumination source may be an LED or another light source. In one example, the hazard detector information may relate to the state of the detector, such as whether the hazard detector has entered an alarm state. Alternatively or additionally, the hazard detector information may also relate to the identification of the hazard detector.

[0014] A hazard detector test system can be used to provide a test stimulus that reproduces a hazard in a non-hazardous manner, and to perform a functional test on the hazard detector. The hazard detector test system may comprise tools including a dispenser or cup that is brought close to the hazard detector to test it. At least a portion of the dispenser or cup may be transparent.

[0015] The test system may include a detection device that includes at least one sensor for automatically detecting visible light or electromagnetic radiation such as infrared or ultraviolet light emitted from the hazard detector's illumination source. A large array of sensors may be required within the test system's detection device to enable measurement of the intensity and spectral components of the illumination source generated by the hazard detector. The sensors within the detection device may also be affected by ambient electromagnetic radiation, which can lead to reading errors.

[0016] In the examples described herein, a spacer device is provided that maintains a predetermined distance between a hazard detector being tested during a test and a sensing device of a hazard detector test system when the illumination source of the hazard detector, which may indicate the results of the test, is read. The spacer device is configured to be positioned within a dispenser of the hazard detector test system. The field of view of the sensor on the sensing device is the angle at which the sensor is sensitive to electromagnetic radiation. In other words, the field of view defines the maximum area of ​​a sample that the sensor in the sensing device can detect electromagnetic radiation from. In one example, the spacer device is configured to engage with the hazard detector and maintain a predetermined distance between the hazard detector and the sensing device when the spacer device is engaged with the hazard detector. The predetermined distance is provided to prevent the hazard detector from excessively encroaching into the field of view of one or more sensors provided on the sensing device. By preventing the hazard detector from excessively encroaching into the field of view of the sensors, the number of sensors required to fully monitor the surface of the hazard detector can be reduced.

[0017] In one example, the spacer device may take the form of a platform positioned above the detection device when the hazard detector system is in a position to perform a test relative to the hazard detector. The platform may have an upper surface that abuts the lowest surface of the hazard detector to prevent movement along the axis of the hazard detector and to allow a predetermined distance to be maintained when the hazard detector is being tested within the test tool. The platform may not have to be opaque in order to allow electromagnetic radiation from the hazard detector, which may be light from an illumination source from the hazard detector, to be detected by the detection device. Other forms of spacer devices will be understood by those skilled in the art who benefit from this disclosure.

[0018] For example, the spacer device may take the form of a ring structure above the detection device, mounted on and around the inner wall of the dispenser of the hazard detector test system. The ring structure can engage with the surface of the hazard detector to limit the insertion depth of the detector into the detection device when the test is being performed. The ring structure may include an opening through which the lower part of the detector enclosing the illumination source passes, or other means that allow electromagnetic radiation from the illumination source to pass through and be properly detected by the sensor in the detection device. Other alternative mechanical spacer devices may include one or more walls, columns, and / or elements for positioning at separate intervals within the dispenser of the test tool that can provide separation at a predetermined distance between the sensor and the hazard detector being tested. The predetermined distance is such that the field of view of the sensor increases as the distance between the sensor and the hazard detector increases, but electromagnetic radiation from the hazard detector can be properly detected.

[0019] In additional or alternative examples, at least one mask body may be provided, which includes an opening or aperture configured to limit the field of view of at least one sensor provided on the detection device. The mask body may be configured to be positioned within a dispenser of the hazard detector test system and may be placed on the detection device of the hazard detector test system. Those skilled in the art who benefit from this disclosure will understand that, in the absence of the mask body, the field of view of the sensor may be wider and ambient light may be more visible to the sensor compared to the examples herein that may include a mask body.

[0020] In one example, the spacer device and the mask body can be combined into a single device configured to be positioned within the dispenser of the hazard detector test system and attached to the detection device by a mechanical connection. The spacer device can enable a wide field of view for sensors within the detection device (compared to a configuration without the spacer device within the hazard detector test dispenser cup), and the mask body can mechanically reduce the amount of environmental radiation detected by sensors within the detection device. Each or both of the spacer device and the mask body can provide an improved and optimized arrangement for detecting the illumination source from the hazard detector.

[0021] In one example, the detection device can be positioned on a surface such as a printed circuit board (PCB) that includes one or more through-holes corresponding to through-holes in either or both of the spacer device and / or the mask body to enable an integrated connection with the detection device to form a replaceable or removable device or module from the dispenser. Alternative means for the integrated connection may be provided, for example, by an adhesive or some other form of mechanical coupling or connection.

[0022] Referring to FIG. 1, an example of a hazard detector test system 100 and a hazard detector 200 to be tested is shown. The hazard detector test system 100 includes a dispenser or cup 102 that defines an internal hazard detector test envelope 104, which is a cavity shaped to receive the hazard detector 200 and within which a functional test can be performed.

[0023] The hazard detector system 100 further includes a detection device 110. The detection device 110 may include a sensor configured to detect an output signal from the hazard detector. In one example, the sensor is in the form of at least one light-receiving element configured to detect visible light of various wavelengths. The light-receiving element is positioned on the surface of a printed circuit board (PCB) 112 or other support member, enabling the light-receiving element to detect electromagnetic radiation from an illumination source positioned above the PCB 112 when the hazard detector 200 is positioned on the surface of the hazard detector 200 during a functionality test of the hazard detector 200. In other examples, there may be a plurality of light-receiving elements or an array of light-receiving elements. The light-receiving element may be configured to receive photons of light and convert the received photons into data that can be processed by a controller (not shown). In a further example, the detection device 110 may include at least one camera configured to record visible light of various wavelengths. The camera may be configured to record visible light and convert the received image into data that can be processed by a controller. The detection device 130 is not limited to a light-receiving element or a camera. Any device or combination of devices configured to receive visible light may be implemented in the detection device 130. In another example, the detection device 130 may include at least one infrared sensor configured to detect an infrared signal generated by the hazard detector. The first detection device 130 is not limited to the above-described detection elements. The hazard detector 200 being tested using the hazard detector test system may include one or more signal transmitting elements for indicating the state of the hazard detector. Any detection element or combination of elements configured to receive a signal generated by the hazard detector may be implemented in the detection device 130.

[0024] See also Figure 2, the hazard detector system 100 includes a spacer device 120. The spacer device 120 is positioned to prevent the hazard detector 200 from excessively encroaching on the field of view of the sensor or multiple sensors of the detection device 110. In this example, the spacer device 120 is in the form of a mechanical platform. The platform 120 engages with the hazard detector 200 and is configured to maintain a predetermined distance between the hazard detector 200 and the detection device 110 when the platform 120 is engaged with the hazard detector 200. In this example, the platform 120 includes an upper surface 122 that engages with the lowest surface 202 of the hazard detector 200 when a test is performed against the hazard detector 200. If the hazard detector 200 is located on the ceiling in an environment such as a building, the dispenser 102 is brought toward the hazard detector 200. A user of the hazard detector test system 100 will notice that the dispenser 102 is correctly positioned for testing when the upper surface 122 of the platform contacts the lowest surface 202 of the hazard detector 210. In such a position, the upper surface 122 may be positioned substantially parallel to the lowest surface 202.

[0025] The platform 120 may be configured to overlap the detection device 130 so as to be positioned above the detection device 130 and between the detection device 110 and the hazard detector 200. The platform 120 comprises a wall 124 and a hazard detector engaging member 126 having an upper surface 122. At least the engaging member 126 is not opaque in order to allow light from the illumination source of the hazard detector 200 to be transmitted to the detection device 120. It will be understood that the entire platform 120, or only the portion of the platform 120 that allows light from the illumination source of the hazard detector 200 to be sufficiently detected by the detection device, may be opaque. The height h of the wall 124 defines the separation distance, and at least a portion of the predetermined distance between the hazard detector 200 and the detection device 110 includes the separation distance. In this example, the platform 120 is cylindrical in shape with a circular cross-section so as to substantially match the cross-sectional shape of the inner cavity of the dispenser 102. Those skilled in the art who benefit from this disclosure will understand that the shape and structure of the spacer device can be modified while allowing separation between the sensor on the detection device and the electromagnetic radiation source on the hazard detector 200.

[0026] The hazard detector test system 100 shown in Figure 1 further comprises a stimulus generator 130. The stimulus generator 130 may be conventional and is configured to emit a stimulus to activate an alarm state of the hazard detector 200. The stimulus is intended to reproduce the hazard in a non-hazardous manner (e.g., heat, simulated smoke). The stimulus may vary depending on the type of hazard detector being tested. In one example, if the hazard detector being tested is a smoke, heat, and / or carbon monoxide (CO) detector, the stimulus may generate a smoke, heat, or CO stimulus, respectively. The stimulus generator 130 may generate one or more of the test stimuli to test a multi-hazard detector that detects different types of hazards such as smoke, heat, and CO. A schematic diagram of the stimulus generator 130 is shown in Figure 1, and it will be understood that the functionality of the stimulus generator 150 can be integrated into the hazard detector test system 100 using methods known to those skilled in the art. In particular, the test stimuli from the stimulus generator 150 may be configured to be emitted into the hazard detector test envelope 104 in order to test the functionality of the hazard detector 200.

[0027] The hazard detector test system 100, shown in Figure 1 and referenced in Figures 3, 5, and 6, further comprises a mask layer 140. Environmental electromagnetic radiation within the dispenser 102 may oversaturate the photosensitive sensor within the detection device 110 to the point where it cannot distinguish additional electromagnetic radiation generated by the illumination source of the hazard detector 200. To counteract this, according to examples disclosed herein, masking may be provided to at least partially cover the detection device 110 and to limit exposure from indirect (perpendicular to the photosensitive sensor) electromagnetic radiation. Environmental electromagnetic radiation sources include, for example, an internal heater component as part of a stimulus generating unit 130 that emits electromagnetic radiation or other undesirable electromagnetic radiation passing through the detector test envelope 104.

[0028] In one example, the mask layer 140 comprises a plurality of mask bodies, each having an opening 142 in the form of a through-hole penetrating the mask layer 140, the openings configured to limit the field of view of at least one photosensitive sensor 114 provided on the detection device 110. As shown in Figure 6, there is at least one mask body 144 provided as part of the mask layer 140, configured to cover the detection device 110 and reduce the amount of ambient electromagnetic radiation A detected by the sensor 112 of the detection device 110. The opening 142 of the at least one mask body 144 is sized and shaped to limit and reduce the angle of the field of view B of at least one sensor 114 compared to the unlimited field of view C of the sensor 112. The opening limits and prevents the amount of ambient electromagnetic radiation A (see Figure 6) detected by and perpendicular to the at least one sensor 114 in the detection device 110, in order to improve the detection of target electromagnetic radiation D from the illumination source of the hazard detector 200. Multiple masking bodies 144 forming the mask layer 140 are positioned such that each opening 142 of each masking body 144 is directly above and corresponding to the respective positions of each sensor 112 provided on the detection layer 110. In one example, the angle of the sensor's field of view B is reduced by a partially conical opening 142, where the base of the conical opening 142 is wider than the apex of the conical opening 142.

[0029] The mask layer 140 may be formed of an opaque material. In one example, as shown in more detail in Figures 1, 3, 5a, and 5b, the mask layer 140 may be formed of a base member 146 and an upright, outwardly inclined wall 148. The outer edge 150 of the mask layer 140, which may be the outer surface of the upright, outwardly inclined wall 148, substantially cooperates with the inner wall of the dispenser of the hazard detector test system to close off a portion of the hazard detection test system in which the detection device 110 is housed.

[0030] In the example shown in Figure 1, the mask layer 140 is positioned between the detector device 110 and the spacer device 120. Connection to the detector device can be achieved using one or more through holes 154 provided in the mask layer 140 and suitable fasteners 152 that can be received in corresponding holes in the detector device 110. Alternative means for securing at least one masking body or masking layer to the detector device may be provided, for example, by adhesive or some other form of mechanical bonding or connection.

[0031] As will be understood by those skilled in the art who benefit from this disclosure, other configurations of the mask layer 140 are possible to provide physical masking from environmental electromagnetic radiation.

[0032] The hazard detector test system 100, shown in Figure 1 and with reference to Figure 4, may further comprise a protective layer 160 configured to seal the opening 142 of at least one mask body 144 and provide protection for the detection device 110. The protective layer 160 is formed of a material that is not opaque with respect to a predetermined wavelength corresponding to electromagnetic radiation generated by the hazard detector 200, so that the detection device 110 can detect electromagnetic radiation. The protective layer 160 may be detachably connected and latched to a corresponding portion 128 (see Figure 2) in the platform 120 via an upright detachable connector 162 integrated with the protective layer 160, thereby forming a base for the platform 120 and simultaneously providing protection for the detection device 110. Connection between the detection device 110 and the mask layer 140 may be achieved using one or more through-holes 164 provided in the protective layer 140, one or more through-holes 154 provided in the mask layer 140, and fasteners 152 received in the corresponding holes of the detection device 110. The protective layer also serves to connect the spacer device 120 in the dispenser 102 of Figure 1, but other mechanisms for mechanically securing the detection device in the hazard detector test apparatus will be understood by those skilled in the art who benefit from this disclosure. In addition, other configurations of the protective layer 160 can be provided to protect the sensor in the detection device 110. As is obvious, the combination of the detection device 110, the spacer device 120, the mask layer 140, and the protective layer 160 may be provided in a layer structure that can be formed from a single, integrated unit that is compact and can be connected by fasteners and / or engaging members. The unit may be connected to a dispenser, for example, the base of the dispenser, using appropriate fasteners or connecting mechanisms. It will also be understood that the functionality of each of the spacer device, the mask layer, and the protective layer can be achieved independently of each other.

[0033] For an alternative example of the hazard detector test system 700 including an alternative spacer device, see Figure 7. Instead of a platform as in the example of Figure 1, the spacer device may be in the form of a ring structure 720 mounted on and around the inner wall of the dispenser 702 of the hazard detector test system and the detection device 110. The ring structure 720 can engage with the surface of the hazard detector 200, which may be the same or similar as that illustrated and described with reference to Figure 1. Similar to the first example of Figure 1, the ring structure 720, which is another form of spacer device, can limit the insertion depth of the detector into the detection device when testing is performed. The ring structure 720 may include an opening through which the lower part 200a of the detector enclosing the illumination source passes, or other means that allow electromagnetic radiation from the illumination source to pass through and be properly detected by the sensor in the detection device 110. To provide functionality similar to that described with reference to Figure 1, a stimulus generator (not shown) is provided. A corresponding mask body or layer and / or protective structure or layer (not shown) may be provided.

[0034] Referring to Figure 8, a hazard detector test apparatus 810 is shown. The hazard detector test tool 800 comprises a dispenser 802 including an elongated pole 804 which may be attachable to a dispenser 802 to enable testing of a hazard detector 806 which may be positioned above the ceiling of an environment. In one example, the dispenser 802 is formed as an open-top housing including a bottom and side walls that form a cavity 808 for receiving the hazard detector 806. The open-top housing may be transparent. The hazard detector 806 may comprise a light-emitting device 810, such as a light-emitting diode that emits an LED light signal when an alarm condition is present. In one example, this may be a light signal of a specific color, such as a red signal. In addition, or alternatively, the detector 806 may comprise another warning condition indicator. In one example, the hazard detector test system 100 or the hazard detector test system 700 is positioned within a cavity and mounted on an open-top housing to enable automatic detection of hazard warning conditions. Using a system 100 or 700 that includes multiple photodetectors positioned in various locations, as well as spacer devices and / or corresponding mask layers, electromagnetic signals output from a wide variety of hazard detectors can be automatically detected.

[0035] In addition to the examples described in detail above, those skilled in the art will recognize that, since this specification merely describes some of the many possible exemplary configurations and implementations for the claimed solutions, various features described herein can be modified and / or combined with additional features, and the resulting additional examples can be implemented without departing from the scope of the systems of this disclosure.

[0036] The following paragraphs provide a list of additional embodiments that may serve as the basis for claims in this application or any subsequent divisional application(s). Embodiment 1: A detection device configured to detect electromagnetic radiation generated by a hazard detector, A hazard detector test system comprising a spacer device configured to engage with a hazard detector and maintain a predetermined distance between the hazard detector and a detection device when the spacer device is engaged with the hazard detector.

[0037] Embodiment 2: The system according to Embodiment 1, wherein the spacer device is in the form of a platform or a ring structure, or includes one or more walls and / or columns.

[0038] Embodiment 3: The system according to Embodiment 1, wherein a predetermined distance is provided to prevent the hazard detector from excessively encroaching on the field of view of one or more sensors provided on the detection device.

[0039] Embodiment 4: The system according to Embodiment 1, 2, or 3, wherein electromagnetic radiation is emitted from an emitter positioned on the surface of a hazard detector.

[0040] Embodiment 5: The system according to any of the preceding embodiments, wherein the electromagnetic radiation is light detectable by a detection device.

[0041] Embodiment 6: The system according to any of the preceding embodiments, wherein the detection device is configured to detect the intensity and / or spectral components of visible light generated by the hazard detector. Embodiment 7. The system according to any of the above embodiments, wherein the spacer device is the platform. Embodiment 8: The system according to Embodiment 7, wherein the platform is configured to cover the detection device.

[0042] Embodiment 9: The system according to Embodiment 7 or 8, wherein the platform comprises a surface that engages with the surface of a hazard detector.

[0043] Embodiment 10: The system according to Embodiment 9, wherein the surface for engaging with the hazard detector surface is substantially parallel to the surface of the hazard detector.

[0044] Embodiment 11: The system according to any one of Embodiments 7 to 10, wherein the platform comprises a wall defining a separation distance and a hazard detector engaging member.

[0045] Embodiment 12: The system according to Embodiment 11, wherein at least a portion of the predetermined distance includes the separation distance.

[0046] Embodiment 13: The system according to any of the preceding embodiments, further comprising a stimulus generator configured to generate a test stimulus for testing a hazard detector, wherein the test stimulus activates an alarm state of the hazard detector.

[0047] Embodiment 14: The system according to any of the preceding embodiments, further comprising at least one mask body having an opening configured to limit the field of view of at least one sensor provided on the detection device.

[0048] Embodiment 15: The system according to Embodiment 14, wherein the opening of at least one mask body is sized to limit the angle of view of at least one sensor so as to limit the amount of ambient electromagnetic radiation detected by at least one sensor.

[0049] Embodiment 16: The system according to Embodiment 14 or 15, wherein the opening of at least one mask body is sized to limit the angle of view of at least one sensor so as to limit the amount of ambient electromagnetic radiation perpendicular to at least one sensor.

[0050] Embodiment 17: The system according to Embodiment 14, 15, or 16, wherein at least one mask body is provided as part of a mask layer configured to cover a detection device and reduce the amount of ambient electromagnetic radiation detected by the detection device.

[0051] Embodiment 18: The system according to Embodiment 16, wherein the mask layer is opaque.

[0052] Embodiment 19: The system according to Embodiment 17 or 18, wherein the outer edge of the mask layer substantially cooperates with the inner wall of the hazard detector test system to close off a portion of the hazard detection test system in which the detection device is housed.

[0053] Embodiment 20: The system according to any one of Embodiments 14 to 19, wherein there are multiple mask bodies, and each mask body is positioned to correspond to each of the multiple sensors provided on the detection device.

[0054] Embodiment 21: The system according to any one of Embodiments 17 to 20, wherein the mask layer is positioned between the detector device and the spacer device.

[0055] Embodiment 22: The system according to any one of embodiments 14 to 21, further comprising a protective layer configured to seal an opening in at least one mask body and to provide protection for a detection device.

[0056] Embodiment 23: The system according to Embodiment 22, wherein the protective layer is not opaque with respect to a predetermined wavelength corresponding to electromagnetic radiation generated by a hazard detector, so that the detection device can detect electromagnetic radiation.

[0057] Embodiment 24: The system according to Embodiment 22 or 23, wherein the protective layer is positioned on at least one mask body positioned between the detector device and the spacer device.

[0058] Embodiment 25: An apparatus for positioning a hazard detector at a distance from a hazard detector test apparatus during testing of the hazard detector, comprising a spacer device according to any one of the preceding claims, configured to engage with the surface of the hazard detector and maintain a predetermined distance between the electromagnetic radiation emitter on the hazard detector and the detection device in the hazard detector test apparatus when the hazard detector test apparatus is positioned to perform testing on the hazard detector.

[0059] Embodiment 26: The interval setting device according to Embodiment 25, wherein the device comprises a mechanism for mechanically fixing the device within the hazard detector test device.

[0060] Embodiment 27: A device for limiting the field of view of at least one sensor provided on a detection device in a hazard detection device for detecting electromagnetic radiation emitted by a hazard detector, comprising at least one mask body according to any one of Embodiments 14 to 24, having an opening configured to limit the field of view of at least one sensor provided on a detection device in a hazard detector test device when the hazard detector test device is positioned to perform a test on a hazard detector.

[0061] Embodiment 28: The limited apparatus according to Embodiment 27, wherein at least one mask body comprises means for fixing at least one masking body to a detection device.

[0062] Embodiment 29: A hazard detector test system comprising a detection device configured to detect electromagnetic radiation generated by a hazard detector, and at least one mask body having an opening configured to limit the field of view of at least one sensor provided on the detection device.

[0063] Embodiment 30: The system according to Embodiment 29, wherein the detection device comprises at least one sensor, and an opening in at least one mask body defines the angle of view of at least one sensor, thereby limiting the amount of ambient electromagnetic radiation detected by at least one sensor.

[0064] Embodiment 31: The system according to Embodiment 29, wherein an opening in at least one mask body defines the angle of view of at least one sensor and limits the amount of ambient electromagnetic radiation perpendicular to at least one sensor.

[0065] Embodiment 32: The system according to Embodiment 29, 30, or 31, wherein at least one mask body is provided as part of a mask layer configured to cover a detection device.

[0066] Embodiment 33: The system according to Embodiment 32, wherein the mask layer is opaque.

[0067] Embodiment 34: The system according to Embodiment 31 or 33, wherein the outer edge of the mask layer substantially cooperates with the inner wall of the hazard detector test system to close off a portion of the hazard detection test system in which the detection device is housed.

[0068] Embodiment 35: The system according to any one of Embodiments 29 to 34, wherein there are multiple mask bodies, and each mask body is positioned to correspond to each of the multiple sensors provided on the detection device.

[0069] Embodiment 36: The system according to any one of embodiments 29 to 34, further comprising a protective layer configured to seal an opening in at least one mask body and to provide protection for a detection device.

[0070] Embodiment 37: The system according to Embodiment 36, wherein the protective layer is not opaque with respect to a predetermined wavelength corresponding to electromagnetic radiation generated by a hazard detector, so that a detection device can detect electromagnetic radiation.

[0071] Embodiment 38: A hazard detector test tool comprising a dispenser for receiving a hazard detector during testing, wherein the dispenser further comprises a test system for detecting a hazard as described in any of Embodiments 1 to 24, a spacer device as described in Embodiment 25 or 26, a limiting device as described in Embodiment 27 or 28, or a test system for detecting a hazard as described in any of Embodiments 29 to 36.

[0072] Embodiment 39: The tool according to Embodiment 38, wherein the hazard detector test system includes a hazard detection test system according to any one of claims 1 to 24 or a hazard detection test system according to any one of claims 29 to 36, the hazard detector test system is in the form of interconnected devices positioned within a dispenser.

[0073] Embodiment 40: The system according to Embodiment 38 or 39, wherein the dispenser comprises a housing with an open top including a bottom and side walls that form a cavity for receiving a hazard detector, and the test tool further comprises an elongated pole for connecting to the dispenser.

Claims

1. A detection device configured to detect electromagnetic radiation generated by a hazard detector, A spacer device, which engages with the hazard detector and is configured to maintain a predetermined distance between the hazard detector and the detection device when the spacer device is engaged with the hazard detector, Equipped with, The spacer device may be in the form of a platform or a ring structure, or may include one or more walls and / or columns. Hazard detector test system.

2. The hazard detector test system according to claim 1, wherein the electromagnetic radiation is emitted from an emitter positioned on the surface of the hazard detector.

3. The hazard detector test system according to claim 1 or 2, wherein the electromagnetic radiation is light detectable by the detection device.

4. The hazard detector test system according to any one of claims 1 to 3, wherein the detection device is configured to detect the intensity and / or spectral components of visible light generated by the hazard detector.

5. The hazard detector test system according to any one of claims 1 to 4, wherein the platform is configured to cover the detection device.

6. The hazard detector test system according to claim 5, wherein the platform comprises a surface that engages with the surface of the hazard detector.

7. The hazard detector test system according to claim 6, wherein the surface for engaging with the surface of the hazard detector is substantially parallel to the surface of the hazard detector.

8. The hazard detector test system according to any one of claims 1 to 7, wherein the platform comprises a wall defining a separation distance and a hazard detector engaging member.

9. The hazard detector test system according to claim 8, wherein at least a portion of the predetermined distance includes the separation distance.

10. A hazard detector testing system according to any one of claims 1 to 9, further comprising a stimulus generating device configured to generate a test stimulus for testing the hazard detector, wherein the test stimulus activates an alarm state of the hazard detector.

11. The hazard detector test system according to any one of claims 1 to 10, further comprising at least one mask body having an opening configured to limit the field of view of at least one sensor provided on the detection device.

12. The hazard detector test system according to claim 11, wherein the opening of the at least one mask body is sized to limit the angle of the field of view of the at least one sensor so as to limit the amount of ambient electromagnetic radiation detected by the at least one sensor.

13. The hazard detector test system according to claim 11 or 12, wherein the opening of the at least one mask body is sized to limit the angle of the field of view of the at least one sensor so as to limit the amount of ambient electromagnetic radiation perpendicular to the at least one sensor.

14. The hazard detector test system according to claim 11, 12, or 13, wherein the at least one mask body is provided as part of a mask layer configured to cover the detection device and reduce the amount of ambient electromagnetic radiation detected by the detection device.

15. The hazard detector test system according to claim 14, wherein the mask layer is opaque.

16. The hazard detector test system according to claim 14 or 15, wherein the outer edge of the mask layer substantially cooperates with the inner wall of the hazard detector test system to close off a portion of the hazard detection test system in which the detection device is housed.

17. A hazard detector test system according to any one of claims 11 to 16, wherein there are multiple mask bodies, and each of the mask bodies is positioned to correspond to each of the multiple sensors provided on the detection device.

18. The hazard detector test system according to any one of claims 14 to 17, wherein the mask layer is positioned between the detector device and the spacer device.

19. The hazard detector test system according to any one of claims 11 to 18, further comprising a protective layer configured to seal the opening of the at least one mask body and to provide protection for the detection device.

20. The hazard detector test system according to claim 19, wherein the protective layer is not opaque with respect to a predetermined wavelength corresponding to the electromagnetic radiation generated by the hazard detector, so that the detection device can detect the electromagnetic radiation.

21. The hazard detector test system according to claim 19 or 20, wherein the protective layer is positioned on the at least one mask body positioned between the detector device and the spacer device.

22. A device for separating a hazard detector from a hazard detector test device during testing of the hazard detector, An apparatus comprising a spacer device according to any one of claims 1 to 21, configured to engage with the surface of the hazard detector and maintain a predetermined distance between the electromagnetic radiation emitter on the hazard detector and the detection device in the hazard detector test apparatus when the hazard detector test apparatus is positioned to perform a test on the hazard detector.

23. The apparatus according to claim 22, wherein the apparatus comprises a mechanism for mechanically fixing the apparatus within the hazard detector test apparatus.

24. A device for limiting the field of view of at least one sensor provided on a detection device within a hazard detection device for detecting electromagnetic radiation emitted by a hazard detector, An apparatus comprising at least one mask body according to any one of claims 11 to 21, wherein when the hazard detector testing apparatus is positioned to perform a test on the hazard detector, the mask body has an opening configured to limit the field of view of the at least one sensor provided on the detection device within the hazard detector testing apparatus.

25. The apparatus according to claim 24, wherein the at least one mask body comprises means for fixing at least one masking body to the detection device.

26. A detection device configured to detect electromagnetic radiation generated by a hazard detector, A mask body having an opening configured to limit the field of view of at least one sensor provided on the detection device, A hazard detector test system equipped with [the following features].

27. The hazard detector test system according to claim 26, wherein the detection device comprises at least one sensor, and the opening of the at least one mask body defines the angle of the field of view of the at least one sensor, thereby limiting the amount of ambient electromagnetic radiation detected by the at least one sensor.

28. The hazard detector test system according to claim 26, wherein the opening of the at least one mask body defines the angle of the field of view of the at least one sensor and limits the amount of ambient electromagnetic radiation perpendicular to the at least one sensor.

29. The hazard detector test system according to claim 26, 27, or 28, wherein the at least one mask body is provided as part of a mask layer configured to cover the detection device.

30. The hazard detector test system according to claim 29, wherein the mask layer is opaque.

31. The hazard detector test system according to claim 28 or 30, wherein the outer edge of the mask layer substantially cooperates with the inner wall of the hazard detector test system to close off a portion of the hazard detection test system in which the detection device is housed.

32. A hazard detector test system according to any one of claims 26 to 31, wherein there are multiple mask bodies, and each of the mask bodies is positioned to correspond to each of the multiple sensors provided on the detection device.

33. The hazard detector test system according to any one of claims 26 to 31, further comprising a protective layer configured to seal the opening of the at least one mask body and to provide protection for the detection device.

34. The hazard detector test system according to claim 33, wherein the protective layer is not opaque with respect to a predetermined wavelength corresponding to the electromagnetic radiation generated by the hazard detector, so that the detection device can detect the electromagnetic radiation.

35. A test system comprising a dispenser for receiving a hazard detector during testing, wherein the dispenser further comprises a test system for detecting a hazard according to any one of claims 1 to 21, an apparatus according to claim 22 or 23, an apparatus according to claim 24 or 25, or a hazard detector test system according to any one of claims 26 to 34. Hazard detector testing tool.

36. The hazard detector testing tool according to claim 35, wherein the hazard detector testing system is provided according to any one of claims 1 to 21 or any one of claims 26 to 34, and the hazard detector testing system is in the form of an integrated single unit positioned within the dispenser.

37. The hazard detector test tool according to claim 35 or 36, wherein the dispenser comprises a housing with an open top including a bottom and side walls that form a cavity for receiving the hazard detector, and the test tool further comprises an elongated pole for connecting to the dispenser.

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