Flow condition test procedure for aspirating smoke detector devices

Abstract

This document describes methods, apparatus, and systems for testing flow conditions in aspirating smoke detector devices. One apparatus includes a blower, a sensor, a memory, and a processor. The blower draws gas into the aspirating smoke detector device, and the processor executes executable instructions stored in the memory to determine the flow rate of the gas entering the aspirating smoke detector device via the sensor, determine the flow conditions based on the determined flow rate, and cause the flow conditions to be displayed.

Description

Technical Field

[0001] This disclosure relates to methods, apparatus, and systems for testing flow conditions in aspirating smoke detector devices. Background Technology

[0002] Facilities (e.g., buildings), such as commercial facilities, office buildings, hospitals, etc., may have alarm systems that can be triggered during emergencies (e.g., fire) to warn residents to evacuate. For example, the alarm system may include a control panel (e.g., a fire control panel) and multiple aspirating smoke detectors located throughout the facility (e.g., on different floors and / or in different rooms) to detect hazardous events, such as smoke generated due to fire or other causes. The aspirating smoke detectors can transmit signals to the control panel to notify building managers, residents of the facility, emergency services, etc., of the hazardous event via alarms or other mechanisms. Attached Figure Description

[0003] Figure 1 It is a system for testing the flow conditions of an aspirating smoke detector device according to one or more embodiments of this disclosure.

[0004] Figure 2 It is a plurality of light-emitting diodes (LEDs) that indicate good flow conditions in the flow condition test procedure of an aspirating smoke detector device according to one or more embodiments of the present disclosure.

[0005] Figure 3 These are multiple LEDs that display good flow conditions in a flow condition test procedure for an aspirating smoke detector device according to one or more embodiments of this disclosure.

[0006] Figure 4 These are multiple LEDs that display poor flow conditions in the flow condition test procedure of an aspirating smoke detector device according to one or more embodiments of this disclosure.

[0007] Figure 5 It is an aspirating smoke detector device according to one or more embodiments of the present disclosure, which is a flow condition test procedure for an aspirating smoke detector device. Detailed Implementation

[0008] This document describes methods, apparatus, and systems for testing flow conditions in aspirating smoke detector devices. One apparatus includes a blower, a sensor, a memory, and a processor. The blower draws gas into the aspirating smoke detector device, and the processor executes executable instructions stored in the memory to determine the flow rate of the gas entering the aspirating smoke detector device via the sensor, determine the flow conditions based on the determined flow rate, and cause the flow conditions to be displayed.

[0009] Aspirating smoke detectors can be used in a facility to detect hazardous events by detecting the presence of smoke. These detectors draw gas (e.g., air, via a blower) from the facility into a sensor via a network of ducts throughout the facility. This duct network may include a duct sampling network. The sensor samples the gas in the duct sampling network to determine whether the gas sampled from the facility contains smoke particles. In response to the detection of smoke particles, the aspirating smoke detector can send a signal to a control panel in the facility to indicate that smoke particles have been detected in the area where the aspirating smoke detector is monitoring and sampling the gas.

[0010] As described above, in order for an aspirating smoke detector to sample gas for smoke particle detection, the gas must be transported from the sampling location to the aspirating smoke detector. Therefore, the aspirating smoke detector can utilize a network of pipes throughout the facility to transport the sampled gas to the aspirating smoke detector. For example, a pipe sampling network can transport gas from areas of the facility to the aspirating smoke detector for testing. It is perhaps important that the pipe sampling network has minimal or no leakage, so that gas drawn from sampling points in areas of the facility does not leak out of the pipe sampling network, or that gas outside the pipe sampling network does not enter the pipe sampling network from locations other than the sampling location. Such leakage may cause the aspirating smoke detector to fail to detect a fire event in the area it is monitoring (e.g., in the case of gas leaking out of the pipe sampling network in that area), and / or cause the aspirating smoke detector to falsely detect a fire in an area it is not monitoring (e.g., in the case of gas leaking into the pipe sampling network from different areas of the facility).

[0011] Therefore, during the installation, commissioning, and / or normal operation of aspirating smoke detection systems (e.g., aspirating smoke detector devices and duct sampling networks), flow condition test procedures for aspirating smoke detector devices and duct sampling networks can be performed to check for such leaks. These test procedures can identify leaks in the duct sampling network that may be caused by improper installation of the duct sampling network (such as at pipe joints and / or connections), cracks in the pipes and / or connections, and / or any other type of damage to the system. This approach is easier and more convenient than previous methods and does not require the use of specialized tools such as flow meters.

[0012] In the following detailed description, reference is made to the accompanying drawings, which form a part thereof. The drawings illustrate by way of example how one or more embodiments of this disclosure can be practiced.

[0013] These embodiments are described in sufficient detail to enable one or more embodiments of this disclosure to be practiced by a person skilled in the art. It should be understood that other embodiments may be utilized and process, electrical and / or structural changes may be made without departing from the scope of this disclosure.

[0014] It should be understood that elements shown in the various embodiments herein may be added, exchanged, combined, and / or eliminated to provide multiple additional embodiments of this disclosure. The scale and relative dimensions of the elements provided in the accompanying drawings are intended to illustrate embodiments of this disclosure and should not be construed as limiting.

[0015] The figures in this document follow the following numbering convention: one or more first digits correspond to the figure number, while the remaining digits identify elements or parts in the figure. Similar elements or parts in different figures may be identified by using similar digits. For example, Figure 1 The 108 in the text can index the element "08", and Figure 2 Similar elements in the text can be indexed as 208.

[0016] Figure 1 This is a system 100 for a flow condition test procedure for an aspirating smoke detector device 102 according to one or more embodiments of this disclosure. For example... Figure 1 As shown, system 100 may include inhalation smoke detector device 102, duct sampling network 112, inlet ducts 110-1 and 110-2, exhaust duct 122 and mobile device 124.

[0017] As described above, system 100 may include a pipe sampling network 112. As used herein, the term "pipe sampling network" refers to a set of pipes configured to obtain samples of gas at sampling locations and to deliver gas from sampling locations to a detector. For example, pipe sampling network 112 may sample gas at sampling locations 116-1 and / or 116-2 and deliver gas to aspirating smoke detector device 102 for analysis. Pipe sampling network 112 may include sampling ports 114-1, 114-2, 114-3, 114-4, 114-5, 114-6, 114-7, 114-N (collectively referred to herein as sampling ports 114). As used herein, the term "port" refers to an orifice in a pipe. Sampling ports 114 may accordingly allow gas to flow from areas within the facility into pipe sampling network 112. For example, gas at sampling position 116-1 can flow into pipeline sampling network 112 via sampling ports 114-1, 114-2, 114-3, and 114-4, and gas at sampling position 116-2 can flow into pipeline sampling network 112 via sampling ports 114-5, 114-6, 114-7, and 114-N.

[0018] As described above, it is important that the gas sampled at sampling locations 116-1 and / or 116-2 is drawn into the pipe sampling network 112, and that the sampled gas does not leak out of the pipe sampling network 112. Additionally, it is important that gas outside the pipe sampling network 112 does not enter the pipe sampling network 112 at any location other than sampling port 114. Therefore, flow condition testing procedures for the aspirating smoke detector device 102 can be performed to ensure that no such leakage exists in the pipe sampling network 112, as further described herein.

[0019] To perform the flow condition test procedure, sampling port 114 may be blocked. Such blocking prevents gas outside the pipe sampling network 112 at sampling locations 116-1 and / or 116-2 (e.g., and / or at any other location) from entering the pipe sampling network 112 during the flow condition test procedure. Sampling port 114 can be blocked in various ways. For example, in some examples, sampling port 114 can be blocked with a plug. In other examples, sampling port 114 can be blocked with a strip. Furthermore, sampling port 114 can be blocked with a combination of plugs and / or strips, and / or by any other method, to prevent gas outside the pipe sampling network 112 from entering the pipe sampling network 112 during the flow condition test procedure.

[0020] like Figure 1As shown, system 100 also includes inlet conduits 110-1 and 110-2. As used herein, the term "inlet conduit" refers to a hollow device used to deliver gas into the device. For example, inlet conduits 110-1 and 110-2 may be connected to a conduit sampling network 112 and deliver gas sampled at sampling locations 116-1 and 116-2 to the aspirating smoke detector device 102.

[0021] System 100 also includes an aspirating smoke detector device 102. As described above, the aspirating smoke detector device 102 can detect smoke in the gas sampled from sampling locations 116-1 and 116-2 in the facility. Flow condition testing procedures can be performed by the aspirating smoke detector device 102, as further described herein.

[0022] The aspirating smoke detector device 102 may include a blower 104. As used herein, the term "blower" refers to a mechanical device for moving gas in a particular direction. For example, the blower 104 may be used to draw gas through the pipe sampling network 112 and into the aspirating smoke detector device 102 via inlet pipes 110-1 and / or 110-2. In some cases, the blower 104 may include a pipe housing with a fan that, when rotated, causes gas (e.g., air) to flow in a particular direction.

[0023] Additionally, the inhalation smoke detector device 102 may include sensors 106-1 and / or 106-2. Sensors 106-1 and / or 106-2 may be flow sensors that can determine the flow rate of gas through the inhalation smoke detector device 102. In some examples, sensors 106-1 and / or 106-2 may be ultrasonic sensors.

[0024] To display information related to the operation of the aspirating smoke detector device 102, the aspirating smoke detector device 102 may include a plurality of light-emitting diodes (LEDs) 108. The plurality of LEDs 108 may be oriented on the aspirating smoke detector device 102 so that a user can view them. The plurality of active LEDs 108 and the colors they emit allow the user to determine information about the operation of the aspirating smoke detector device 102, such as the results of flow condition test procedures, as described herein. Figures 2 to 4 Further details are provided.

[0025] In some implementations, the aspirating smoke detector device 102 may include a user interface (UI) 120 (e.g., utilizing a... Figure 1 (As shown by the dashed lines). UI 120 can present the user with information about the operation of the aspirating smoke detector device 102, such as the results of flow condition test procedures, as illustrated herein. Figures 2 to 4 Further details are provided.

[0026] Although for clarity and to avoid obscuring the embodiments of this disclosure, no details are provided. Figure 1 As shown, the inhalation smoke detector device 102 also includes a processor configured to execute instructions stored in memory to perform actions related to the operation of the inhalation smoke detector device 102. For example, the processor may execute a flow condition test procedure for the inhalation smoke detector device 102, as further described herein.

[0027] To perform the flow condition test procedure, the processor can determine the flow rate of the gas entering the aspirating smoke detector device 102 via sensors 106-1 and 106-2 during the flow condition test procedure. As used herein, the term "flow condition" refers to the state of gas movement through the pipe sampling network 112. The state of gas movement through the pipe sampling network 112 can be an indication of the presence of leaks in the pipe sampling network 112, which can be determined using the flow condition test procedure as further described herein.

[0028] In the event of a blockage at sampling port 114, the aspirating smoke detector device 102 can initiate a flow condition test procedure by having blower 104 draw gas from the pipe sampling network 112 into the aspirating smoke detector device 102. As blower 104 draws gas through the pipe sampling network 112, gas present in the pipe sampling network 112 is drawn in and passes through the aspirating smoke detector device 102. When gas is drawn into the aspirating smoke detector device 102 with a blocked sampling port 114, if there is minimal or no leakage in the pipe sampling network 112, a low-pressure condition should begin to form in the pipe sampling network 112, resulting in a low flow rate through the aspirating smoke detector device 102. As an example, sensor 106-1 can determine that the flow rate of gas entering the aspirating smoke detector device 102 (e.g., via inlet pipe 110-1) is 0.5 liters per minute (L / min).

[0029] To determine the flow conditions of the pipeline sampling network 112, the processor can compare the determined gas flow rate with a threshold flow rate. Using the example described above, the processor can compare the determined gas flow rate (e.g., 0.5 L / min) with a threshold flow rate (e.g., 1 L / min) and determine that the flow rate is below the threshold flow rate. Additionally, the processor can determine whether the flow rate is below the threshold flow rate for a predetermined time period. This predetermined time period allows sufficient conditions for a low-pressure environment to form. For example, if the gas flow rate (e.g., 0.5 L / min) is below the threshold flow rate (e.g., 1 L / min) for at least five minutes (e.g., the predetermined time period), the processor can determine the flow conditions as good flow conditions. Good flow conditions indicate that gas outside the pipeline sampling network 112 did not enter the pipeline sampling network during the flow condition test procedure. Thus, good flow conditions indicate minimal or no leakage in the pipeline sampling network 112.

[0030] As another example, with sampling port 114 blocked, the aspirating smoke detector device 102 can begin a flow condition test procedure by having blower 104 draw gas from the pipe sampling network 112 into the aspirating smoke detector device 102. Similarly, when blower 104 draws gas through the pipe sampling network 112, gas present in the pipe sampling network 112 is drawn into and passes through the aspirating smoke detector device 102. When gas is drawn into the aspirating smoke detector device 102 with sampling port 114 blocked, if there is any leakage in the pipe sampling network 112, a sufficiently low pressure condition will not be formed in the pipe sampling network 112, resulting in a flow rate through the aspirating smoke detector device 102 that is higher than the flow rate under conditions of minimal or no leakage in the pipe sampling network 112. As an example, sensor 106-1 can determine that the flow rate of gas entering the aspirating smoke detector device 102 (e.g., via inlet pipe 110-1) is 3 liters per minute (L / min).

[0031] To determine the flow conditions of the pipeline sampling network 112, the processor can compare the determined gas flow rate with a threshold flow rate. Using the second example described above, the processor can compare the determined gas flow rate (e.g., 3 L / min) with a threshold flow rate (e.g., 1 L / min) and determine that the flow rate is higher than the threshold flow rate. Additionally, the processor can determine whether the flow rate is higher than the threshold flow rate within a predetermined time period. For example, if the gas flow rate (e.g., 3 L / min) is higher than the threshold flow rate (e.g., 1 L / min) for at least five minutes (e.g., a predetermined time period), the processor can determine the flow condition as a poor flow condition. A poor flow condition can indicate that gas outside the pipeline sampling network 112 has entered the pipeline sampling network during the flow condition test procedure. Thus, a poor flow condition can indicate the presence of a leak in the pipeline sampling network 112.

[0032] Once the flow condition is determined, the processor can prompt the display of the flow condition. For example, the flow condition can be displayed using multiple LEDs 108. For instance, if the flow condition is determined to be good, each LED 108 can be illuminated. If the flow condition is determined to be poor, different combinations of LEDs 108 can be illuminated. In some examples, each LED 108 can be illuminated in a specific color (e.g., green for good flow and red for poor flow). Figures 2 to 4 Further description of this type of LED combination.

[0033] In an embodiment of the inhalation smoke detector device 102 that includes a UI 120, the processor may cause the flow rate and flow condition to be displayed via the UI 120. For example, if the flow rate is determined to be 0.5 L / min and the flow condition is determined to be good, the UI 120 may display the flow rate as 0.5 L / min and the flow condition as good.

[0034] In some implementations, the aspirating smoke detector device 102 may include a button 118 to initiate a flow condition test procedure. When input is received via the button 118 (e.g., a user presses the button 118), the aspirating smoke detector device 102 may execute the flow condition test procedure.

[0035] like Figure 1As shown, system 100 may optionally include mobile device 124. Mobile device 124 can be connected to the aspirating smoke detector device via a network relationship (such as a wired or wireless connection). Examples of such network relationships may include local area networks (LANs), wide area networks (WANs), personal area networks (PANs), distributed computing environments (e.g., cloud computing environments), storage area networks (SANs), metropolitan area networks (MANs), cellular communication networks, Long Term Evolution (LTE), Visible Light Communication (VLC), Bluetooth, WiMAX, Near Field Communication (NFC), Infrared (IR) communication, Public Switched Telephone Network (PSTN), radio waves and / or the Internet, and other types of network relationships.

[0036] Mobile device 124 may include UI 126. In some embodiments, flow rate and flow condition can be displayed via UI 126 of mobile device 124. For example, if the flow rate is determined to be 0.5 L / min and the flow condition is determined to be good, then UI 126 may display the flow rate as 0.5 L / min and the flow condition as good.

[0037] Additionally, in some implementations, the UI 126 of the mobile device can receive input to initiate a flow condition test procedure. When input is received via the UI 126, the mobile device 124 can cause the aspirating smoke detector device 102 to execute the flow condition test procedure. Therefore, the flow condition test procedure can be initiated using the mobile device 124.

[0038] Figure 2 A plurality of light-emitting diodes (LEDs) 208 are used to display good flow conditions in a flow condition test procedure for an aspirating smoke detector device according to one or more embodiments of the present disclosure. LEDs 208-1, 208-2, 208-3, 208-4, 208-5, 208-M (collectively referred to herein as LEDs 208) may include a first group 230 of LEDs 208.

[0039] As previously combined Figure 1 The aspirating smoke detector device can perform flow condition testing procedures. For example, a determined gas flow rate (e.g., 0.4 L / min) can be compared with a threshold flow rate (e.g., 1 L / min) to determine whether the determined flow rate is above or below the threshold flow rate within a predetermined time period. In an example where the determined flow rate is below the threshold flow rate within the predetermined time period, the aspirating smoke detector device can determine the flow condition as good. The aspirating smoke detector device can display the flow condition using LED 208 included in the aspirating smoke detector device, as further described herein.

[0040] For example, an aspirating smoke detector device may cause the first group 230 of LEDs 208 to emit a first color in response to a flow rate within a first flow rate range, wherein the first color corresponds to good flow conditions. For example, the first flow rate range may be from 0 L / min to 0.5 L / min. When the determined flow rate is 0.4 L / min, the aspirating smoke detector device may determine that the flow rate is within the first flow rate range (e.g., and less than a threshold flow rate of 1 L / min). Therefore, the aspirating smoke detector device may cause LEDs 208-1 (e.g., LEDs 208 of the first group 230) to illuminate the first color (e.g., green) to indicate that the flow rate is below the threshold flow rate within the first flow rate range for a predetermined time period, and that the flow conditions are good.

[0041] Figure 3 These are a plurality of LEDs that indicate good flow conditions in a flow condition test procedure for an aspirating smoke detector device according to one or more embodiments of the present disclosure. LEDs 308-1, 308-2, 308-3, 308-4, 308-5, and 308-M (collectively referred to herein as LEDs 308) may include a second group 332 of LEDs 308.

[0042] As previously combined Figure 1 The aspirating smoke detector device can perform flow condition testing procedures. For example, a determined gas flow rate (e.g., 0.7 L / min) can be compared with a threshold flow rate (e.g., 1 L / min) to determine whether the determined flow rate is above or below the threshold flow rate within a predetermined time period. In an example where the determined flow rate is below the threshold flow rate within the predetermined time period, the aspirating smoke detector device can determine the flow condition as good. The aspirating smoke detector device can display the flow condition using an LED 308 included in the aspirating smoke detector device, as further described herein.

[0043] For example, an aspirating smoke detector device may cause the second set of LEDs 308 332 to emit a first color in response to a flow rate within a second flow rate range, wherein the first color corresponds to good flow conditions. For example, the second flow rate range may be from 0.6 L / min to 1 L / min. When the determined flow rate is 0.7 L / min, the aspirating smoke detector device may determine that the flow rate is within the second flow rate range (e.g., and less than a threshold flow rate of 1 L / min), wherein the second flow rate range includes flow rates still within an acceptable flow rate range. Therefore, the aspirating smoke detector device may cause LEDs 308-1 and 308-2 (e.g., the second set of LEDs 332) to illuminate the first color (e.g., green) to indicate that the flow rate is within the second flow rate range, below the threshold flow rate for a predetermined time period, and that the flow conditions are good.

[0044] Figure 4 These are multiple LEDs 408 that display poor flow conditions in the flow condition test procedure of an aspirating smoke detector device according to one or more embodiments of the present disclosure.

[0045] As previously combined Figure 1 The described aspirating smoke detector device can perform flow condition testing procedures. For example, a determined gas flow rate (e.g., 2 L / min) can be compared with a threshold flow rate (e.g., 1 L / min) to determine whether the determined flow rate is above or below the threshold flow rate within a predetermined time period. In an example where the determined flow rate is above the threshold flow rate within the predetermined time period, the aspirating smoke detector device can determine the flow condition as an undesirable flow condition. The aspirating smoke detector device can display the flow condition using an LED 408 included in the aspirating smoke detector device, as further described herein.

[0046] For example, an aspirating smoke detector device may cause multiple LEDs 408 to emit a second color in response to a flow rate outside a first flow rate range, a second flow rate range, and above a threshold flow rate, wherein the threshold flow rate exceeds the second flow rate range and the second color corresponds to an undesirable flow condition. For example, the second flow rate range may be 0.6 L / min to 1 L / min, and the threshold flow rate may be 1 L / min. When the determined flow rate is 2 L / min, the aspirating smoke detector device may determine that the flow rate is outside the second flow rate range and above the threshold flow rate. Therefore, the aspirating smoke detector device may cause the LEDs 408 to illuminate a second color (e.g., red) to indicate that the flow rate is above the threshold flow rate for a predetermined time period and that the flow condition is an undesirable flow condition.

[0047] The flow condition testing procedure for the aspirating smoke detector device disclosed herein allows for flow condition testing of the aspirating smoke detector device and its associated duct sampling network to determine whether the duct sampling network includes cracks or other mechanisms that could allow gas to seep into or out of the duct sampling network. Compared to previous methods, this method allows for easier and more convenient testing of the aspirating smoke detector device and the duct sampling network.

[0048] Figure 5 This refers to the aspirating smoke detector device 502, which is a flow condition test procedure for an aspirating smoke detector device according to one or more embodiments of this disclosure. Figure 5 As shown, the inhalation smoke detector device 502 may include a memory 542 and a processor 540 for a flow condition test procedure for the inhalation smoke detector device according to the present disclosure.

[0049] Memory 542 can be any type of storage medium accessible by processor 540 to execute various examples of this disclosure. For example, memory 542 can be a non-transitory computer-readable medium storing computer-readable instructions (e.g., computer program instructions) thereon, which can be executed by processor 540 for a flow condition test procedure for an aspirating smoke detector device according to this disclosure. The computer-readable instructions can be executed by processor 540 to redundantly execute the flow condition test procedure for the aspirating smoke detector device.

[0050] Memory 542 may be volatile or non-volatile memory. Memory 542 may also be removable (e.g., portable) memory or non-removable (e.g., internal) memory. For example, memory 542 may be random access memory (RAM) (e.g., dynamic random access memory (DRAM) and / or phase-change random access memory (PCRAM)), read-only memory (ROM) (e.g., electrically erasable programmable read-only memory (EEPROM) and / or optical disc read-only memory (CD-ROM)), flash memory, laser discs, digital versatile optical discs (DVDs) or other optical storage devices and / or magnetic media (such as magnetic tape cassettes, magnetic tapes, or disks) and other types of memory.

[0051] Furthermore, although the memory 542 is shown to be located within the aspirating smoke detector device 502, embodiments of this disclosure are not limited thereto. For example, the memory 542 may also be located within another computing resource (e.g., enabling computer-readable instructions to be downloaded via the Internet or another wired or wireless connection).

[0052] Although specific embodiments have been illustrated and described herein, those skilled in the art will understand that any arrangement calculated to achieve the same technology may replace the specific embodiments shown. This disclosure is intended to cover any and all modifications or variations of the various embodiments of this disclosure.

[0053] It should be understood that the above description is given in an illustrative rather than restrictive manner. Combinations of the above embodiments, as well as other embodiments not specifically described herein, will be apparent to those skilled in the art upon reading the above description.

[0054] The scope of the various embodiments of this disclosure includes any other application using the structures and methods described above. Therefore, the scope of the various embodiments of this disclosure should be determined with reference to the appended claims and the full scope of their equivalents.

[0055] In the above specific embodiments, for the purpose of simplifying this disclosure, various features are combined in the example embodiments shown in the drawings. This disclosure method should not be construed as reflecting an intention to require more features than expressly recited in each claim.

[0056] Instead, as reflected in the following claims, the subject matter of the invention lies in fewer than all the features of a single disclosed embodiment. Therefore, the following claims are incorporated herein by reference, wherein each claim exists independently as a separate embodiment.

Claims

1. An aspirating smoke detector device (102, 502), the aspirating smoke detector device (102, 502) comprising: A blower (104) draws gas into the aspirating smoke detector device (102, 502). Sensor (106); Memory (542); and Processor (540), the processor (540) being configured to execute executable instructions stored in the memory (542) to: During the flow condition test procedure of the aspirating smoke detector device (102, 502), the flow rate of the gas entering the aspirating smoke detector device (102, 502) from the pipeline sampling network (112) is determined by the sensor (106), wherein the sampling port (114) of the pipeline sampling network (112) is blocked. The flow conditions are determined based on the determined flow rate, wherein the processor (540) is configured to: In response to the gas flow rate being higher than a threshold flow rate for a predetermined time period, the flow condition is determined to be an unfavorable flow condition, wherein the unfavorable flow condition indicates that gas outside the pipeline sampling network (112) is entering the pipeline sampling network (112) during the flow condition test procedure; or In response to the gas flow rate being below a threshold flow rate for a predetermined time period, the flow condition is determined to be a good flow condition, wherein the good flow condition indicates that gas outside the pipeline sampling network (112) did not enter the pipeline sampling network (112) during the flow condition test procedure; and This allows the flow conditions to be displayed.

2. The aspirating smoke detector device (102, 502) according to claim 1, wherein the aspirating smoke detector device (102, 502) further comprises a plurality of light-emitting diodes (LEDs) (208, 308, 408).

3. The aspirating smoke detector device (102, 502) according to claim 2, wherein, The processor (540) is configured to display the flow conditions via the plurality of LEDs (208, 308, 408).

4. The aspirating smoke detector device (102, 502) according to claim 1, wherein the aspirating smoke detector device (102, 502) further includes a user interface (120).

5. The aspirating smoke detector device (102, 502) according to claim 4, wherein, The processor (540) is configured to display the flow rate and the flow conditions through the user interface (120).

6. The aspirating smoke detector device (102, 502) according to claim 1, wherein, The sensor (106) is an ultrasonic sensor (106).

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