Special detection tool for cleaned smoke detector
By designing a plug-in base plate and slot structure suitable for a variety of smoke detectors, combined with reasonable box design and non-toxic and easy to dissipate smoke, the problem of poor versatility of existing detection equipment is solved and efficient and low-cost detection effect is achieved.
Patent Information
- Application Number
- CN202422108944.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-29
- Publication Date
- 2025-08-29
- Estimated Expiration
- 2034-08-29
AI Technical Summary
The existing smoke detector detection equipment after cleaning has poor versatility, inconvenient operation, high cost and low efficiency, and cannot meet the needs of multiple brands of smoke detector detection and large-scale inspection.
A special detection tool for cleaning smoke detectors is designed, using a plug-in detector base plate and slot structure, which can adapt to a variety of smoke detectors, is equipped with smoke concentration and temperature detection mechanism, and uses non-toxic and easy to dissipate test smoke. The box structure is reasonable, and the smoke pipeline is designed in a ‘non’ shape to spray smoke evenly.
The universal detection of multiple smoke detectors is realized, which is convenient to operate, improves detection efficiency, avoids smoke clustering, and reduces maintenance costs.
Smart Images

Figure CN223284663U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of smoke detector detection, in particular to a special detection tool for smoke detectors after cleaning. Background Art
[0002] Smoke detectors are highly sensitive and can detect tiny amounts of smoke. They are widely used in fire prevention in factories, residences, and office buildings. Home fire alarms have been widely used, and smoke detectors are even more widely used in residential and office areas.
[0003] Due to the use environment, the filter at the air inlet of the smoke detector is easily clogged, affecting the entry of smoke. The debris on the surface of the temperature detector makes the temperature insensitive. The smoke detector specification requires that after it is put into operation, it should be cleaned once every period of time (about three years). The existing smoke detector cleaning and testing equipment has the following problems: 1. The detection smoke box is a complex one, and most of its functions are not used, resulting in a significant increase in cost and subsequent maintenance costs. 2. The internal space of the smoke box is small, and the work efficiency is slow, which cannot meet the needs of large-scale smoke detector testing. 3. The base of the smoke detector is difficult to replace, and it is impossible to test different brands of different smoke testers in one smoke box. 4. Some smoke boxes use aerosol smoke, which will cause the smoke detector to be contaminated again after cleaning.
[0004] Therefore, it is necessary to develop a special testing tool for smoke detectors after cleaning. The testing tool needs to be universal so as to meet the needs of a variety of smoke detectors, be universal, and easy to operate. Utility Model Content
[0005] The purpose of the present invention is to provide a special detection tool for cleaning smoke detectors in order to overcome the defects of the above-mentioned prior art. By designing the box body and using the plug-in detector base plate (8) and the matching card slot, it can meet the use of various smoke detectors, has universality, and is easy to operate.
[0006] The purpose of the utility model can be achieved through the following technical solutions:
[0007] The purpose of the utility model is to provide a special detection tool for cleaning a smoke detector, the detection tool comprising a box body, a smoke concentration detection mechanism, an axial flow fan, a temperature detection mechanism, a smoke pipeline, a smoke generating chamber, a plug-in detector base plate, and a card slot; the smoke concentration detection mechanism is connected to the box body for detecting and displaying the smoke concentration; the temperature detection mechanism is connected to the box body for detecting and displaying the temperature; the axial flow fan is used for air intake and smoke exhaust, and the axial flow fan is connected to the box body; the smoke generating chamber is arranged in the box body; the smoke generating chamber is connected to the smoke pipeline; the smoke pipeline is arranged in the box body; the card slot is arranged in the box body; the plug-in detector base plate is snap-connected with the card slot, and the plug-in detector base plate is used for installing the smoke detector to be detected.
[0008] Furthermore, the box body is provided with an upper box body cabinet door and a lower box body cabinet door; the upper box body cabinet door is arranged above the lower box body cabinet door.
[0009] Furthermore, the smoke concentration detection mechanism includes a smoke detector and a smoke display screen; the smoke detector is arranged inside the box, and the smoke detector is arranged on the upper wall inside the box; the smoke display screen is arranged on the outer surface of the box.
[0010] Furthermore, the axial flow fan includes a smoke exhaust fan and an air intake fan; the smoke exhaust fan and the air intake fan are both connected to the box; the smoke exhaust fan is used to exhaust smoke, and the air intake fan is used to intake air; the smoke exhaust fan is arranged on the upper wall of the box; the smoke exhaust fan is arranged on the side wall of the box.
[0011] Furthermore, the temperature detection mechanism includes a temperature transmitter and a temperature display screen; the temperature transmitter is arranged inside the box, and the temperature transmitter is arranged on the upper wall inside the box; the temperature display screen is arranged on the outer surface of the box.
[0012] Furthermore, the detection tool also includes a temperature switch, a main power switch, an air inlet switch, and an air outlet switch; the temperature switch is arranged inside the box; the main power switch is arranged on the outer surface of the box; the air inlet switch and the air outlet switch are both arranged on the outer surface of the box.
[0013] Furthermore, the detection tool also includes a controller; the controller is arranged on the box; the controller is communicatively connected with the temperature switch, the main power switch, the air inlet switch, the air outlet switch, the smoke concentration detection mechanism, the axial flow fan, and the temperature detection mechanism.
[0014] Furthermore, the detection tool also includes a universal wheel; the universal wheel is connected to the box.
[0015] Furthermore, the detection tool also includes an observation window; the observation window is connected to the box body, and the observation window is used to observe the alarm light status of the smoke detector to be detected.
[0016] Furthermore, the smoke pipeline is a "N"-shaped pipeline; and a spray hole is provided on the smoke pipeline.
[0017] Furthermore, the smoke detectors to be tested can be a variety of different smoke detectors, such as detectors of four brands: China Nuclear Fusion, Lida Huaxin, West Nuclear, and New Pris. According to the shapes of different smoke detectors, different limiting structures can be set on the plug-in detector base plate to match the shape of the smoke detector to be tested, so as to install the smoke detector to be tested. The plug-in detector base plate is connected to the card slot to facilitate the replacement of different plug-in detector base plates that can install different smoke detectors.
[0018] Furthermore, the test smoke produced by the smoke generating chamber adopts non-toxic, non-sticky and easily dissipative test smoke, thereby avoiding the phenomenon of increasing the false alarm rate of smoke detectors due to the use of aerosol testing.
[0019] Compared with the prior art, the present invention has the following beneficial effects:
[0020] 1) This technical solution provides a special inspection tool for cleaning smoke detectors. Through the design of the box, the plug-in detector base plate and the matching card slot, it can meet the use of a variety of smoke detectors, is universal, and easy to operate.
[0021] 2) The technical solution provides a special detection tool for cleaning smoke detectors. The smoke pipeline is set as a "N"-shaped pipeline, and the smoke is sprayed evenly without causing smoke agglomeration.
[0022] 3) The technical solution provides a special detection tool for smoke detectors after cleaning. The various structures on the surface or inside the box are reasonably arranged, the working efficiency is high, and it can meet the needs of large-scale smoke detector detection. BRIEF DESCRIPTION OF THE DRAWINGS
[0023] Figure 1 It is a structural diagram of a special detection tool for a smoke detector after cleaning in an embodiment of the present utility model.
[0024] Figure 2 This is a front view schematic diagram of the smoke detector in an embodiment of the present invention after cleaning, with the cabinet door removed from the dedicated detection tool.
[0025] Figure 3 This is a front view schematic diagram of a special detection tool after cleaning the smoke detector in an embodiment of the present invention, with the cabinet door removed and the plug-in detector base installed.
[0026] Figure 4This is a bottom view of the interior of the box (the upper surface of the box) of the special detection tool after the smoke detector is cleaned in an embodiment of the present invention.
[0027] Figure 5 This is a schematic top view of the interior of the box of the special detection tool after the smoke detector in the embodiment of the present utility model is cleaned.
[0028] Figure 6 This is a schematic diagram of the left side wall inside the box of the special detection tool after the smoke detector is cleaned in an embodiment of the present utility model.
[0029] Figure 7 This is a schematic diagram of the right side wall inside the box of the special detection tool after the smoke detector is cleaned in an embodiment of the present utility model.
[0030] Figure 8 It is a left side schematic diagram of the special detection tool after the smoke detector is cleaned in the embodiment of the present utility model.
[0031] Figure 9 This is a top view of the plug-in detector base plate of the special detection tool after the smoke detector in the embodiment of the present invention is cleaned (illustrating the smoke detector to be detected).
[0032] in:
[0033] 1. Cabinet; 1-1. Upper cabinet door; 1-2. Lower cabinet door; 2. Smoke concentration detection mechanism; 2-1. Smoke detector; 2-2. Smoke display screen; 3. Axial flow fan; 3-1. Smoke exhaust fan; 3-2. Inlet fan; 4. Temperature detection mechanism; 4-1. Temperature transmitter; 4-2. Temperature display screen; 5. Smoke pipeline; 5-1. Spray hole; 6. Temperature switch; 7. Smoke generating chamber; 8. Plug-in detector base plate; 9. Controller; 10. Card slot; 11. Main power switch; 12. Universal wheel; 13. Inlet switch; 14. Outlet switch; 15. Observation window. DETAILED DESCRIPTION
[0034] The following is a detailed description of the present invention with reference to the accompanying drawings and specific embodiments. Component models, material names, connection structures, and other features not explicitly described in this technical solution are considered common technical features disclosed in the prior art.
[0035] In this utility model, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be the internal connection of two elements or the interaction relationship between two elements; "up", "down", "left", "right" and the like are only used to indicate relative positional relationships. When the absolute position of the described object changes, the relative positional relationship may also change. For ordinary technicians in this field, the specific meanings of the above terms in this utility model can be understood according to the specific circumstances.
[0036] It should be noted that, in the present invention, relational terms such as first and second, etc. are merely used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply the existence of any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprising a..." do not exclude the presence of other identical elements in the process, method, article or device comprising the elements.
[0037] The present invention will be described in further detail below with reference to specific embodiments.
[0038] Example 1
[0039] like Figures 1 to 8 As shown, in this embodiment, a special detection tool for cleaning a smoke detector is provided, and the detection tool includes a box body 1, a smoke concentration detection mechanism 2, an axial flow fan 3, a temperature detection mechanism 4, a smoke pipeline 5, a temperature switch 6, a smoke generating chamber 7, a plug-in detector base plate 8, a controller 9, a card slot 10, a main power switch 11, a universal wheel 12, an air inlet switch 13, an air outlet switch 14, and an observation window 15.
[0040] The box body 1 is provided with an upper box body door 1-1 and a lower box body door 1-2; the upper box body door 1-1 is arranged above the lower box body door 1-2.
[0041] The smoke concentration detection mechanism 2 is connected to the housing 1 and is used to detect and display the smoke concentration. The smoke concentration detection mechanism 2 includes a smoke detector 2-1 and a smoke display screen 2-2. The smoke detector 2-1 is installed in the housing 1 and is located on the upper wall of the housing 1. The smoke display screen 2-2 is located on the outer surface of the housing 1. In this embodiment, the smoke detector 2-1 is a commercially available product.
[0042] The axial flow fan 3 includes a smoke exhaust fan 3-1 and an air intake fan 3-2; the smoke exhaust fan 3-1 is used for exhausting smoke, and the air intake fan 3-2 is used for intake air; the smoke exhaust fan 3-1 and the air intake fan 3-2 are both connected to the box body 1; the smoke exhaust fan 3-1 is arranged on the upper wall of the box body 1; the smoke exhaust fan 3-1 is arranged on the side wall of the box body 1.
[0043] The temperature detection mechanism 4 is connected to the housing 1 and is used to detect and display the temperature. The temperature detection mechanism 4 includes a temperature transmitter 4-1 and a temperature display screen 4-2. The temperature transmitter 4-1 is disposed within the housing 1, and is located on the interior upper wall of the housing 1; the temperature display screen 4-2 is located on the exterior surface of the housing 1. In this embodiment, the temperature transmitter 4-1 is a commercially available thermal resistor temperature transmitter.
[0044] The temperature switch 6 is arranged in the box body 1 , and the temperature switch 6 is arranged on the upper wall inside the box body 1 .
[0045] The smoke generating chamber 7 is arranged in the box body 1, and the smoke generating chamber 7 is arranged at the bottom of the box body 1; the smoke generating chamber 7 is connected to the smoke pipeline 5; the smoke pipeline 5 is a "non"-shaped pipeline; a spray hole 5-1 is provided on the smoke pipeline 5; the smoke pipeline 5 is arranged in the box body 1, and the smoke detector 2-1 is arranged in the lower half of the box body 1.
[0046] The card slot 10 is provided in the box body 1, and the card slot 10 is provided on the two side walls of the box body 1. The card slots 10 on the two side walls correspond to each other and are located at the same height; the two ends of the plug-in detector base plate 8 are plugged into the card slots 10 on the two side walls; the plug-in detector base plate 8 is used to install the smoke detector to be detected.
[0047] The controller 9 is mounted on the housing 1 and is in communication with the temperature switch 6, smoke detector 2-1, temperature transmitter 4-1, temperature display 4-2, smoke display 2-2, air inlet switch 13, air outlet switch 14, smoke exhaust fan 3-1, air inlet fan 3-2, and main power switch 11. The controller can be a mainstream single-chip microcomputer or a processor with an x86 architecture, an ARM architecture, or a RISC-V architecture.
[0048] The main power switch 11 is arranged on the outer surface of the box 1 .
[0049] In this embodiment, all switches and display screens are commercially available parts, and this application does not improve their working principles and structures.
[0050] The universal wheel 12 is connected to the box body 1 ; the air inlet switch 13 and the air outlet switch 14 are both arranged on the outer surface of the box body 1 .
[0051] The observation window 15 is connected to the box body 1 and is provided on the upper box body door 1 - 1 for observing the alarm light status of the smoke detector to be detected.
[0052] The smoke detectors to be tested can be a variety of different smoke detectors, such as detectors of four brands: Zhonghe Shifu, Lida Huaxin, Xihe, and Xinpulis. According to the shapes of different smoke detectors, different limit structures can be set on the plug-in detector base plate 8, such as Figure 9 As shown, the shape of the smoke detector to be tested matches the shape of the smoke detector to be tested, so that the smoke detector to be tested can be installed. The plug-in detector base plate 8 is engaged with the card slot 10, which facilitates the replacement of different plug-in detector base plates 8 that can be installed with different smoke detectors. The plug-in detector base plate 8 is electrically connected to the smoke detector to be tested through a cable aviation plug. The plug-in detector base plate 8 is provided with multiple through holes to allow smoke to pass through.
[0053] In this embodiment, the smoke generating chamber 7 is a Y09-010 pure water smoke generator. The test smoke generated by the smoke generating chamber 7 adopts a non-toxic, non-sticky, and easily dissipative test smoke body, which avoids the phenomenon of increasing the false alarm rate of the smoke detector after using aerosol testing.
[0054] The communication connection adopts wired connection.
[0055] The working method of the above-mentioned special detection tool after cleaning the smoke detector includes the following steps:
[0056] Open the upper cabinet door 1-1 of the cabinet 1, insert the plug-in detector base plate 8 with the smoke detector to be tested into the card slot 10, connect the base plate cable aviation plug, electrically connect the plug-in detector base plate 8 and the cabinet 1 through the cable aviation plug, and electrically connect the cabinet 1 and the controller 9 through the cable aviation plug. Close the upper cabinet door 1-1 and turn on the main power switch 11;
[0057] The box body 1 has a built-in power supply or an external power supply to provide power to electrical components (including the smoke concentration detection mechanism 2, the axial flow fan 3, the temperature detection mechanism 4, the temperature switch 6, the smoke generating chamber 7, the controller 9, etc.). The smoke detector to be detected obtains power by connecting to the plug-in detector base plate 8 connected to the box body 1. The relevant power supply settings are not improvements of this application and can be achieved by those skilled in the art using existing technologies.
[0058] Turn on the controller 9 and set up the circuit to confirm that the smoke detector to be tested is operating normally; put the smoke detector 2-1 and the temperature transmitter 4-1 into use, turn on the air intake fan 3-2 of the air intake axial flow fan 3, put the smoke generating chamber 7 into operation, and the smoke enters the smoke pipeline 5. The smoke pipeline 5 is a "non"-shaped pipeline, and the smoke is sprayed upward from the spray hole 5-1. When the smoke detected by the smoke detector 2-1 reaches the set threshold, the controller 9 stops the air intake fan 3-2; if the smoke concentration detected by the smoke detector 2-1 exceeds the set threshold, the controller 9 starts the smoke exhaust fan 3-1 until the smoke set threshold is reached. Setting the smoke concentration threshold by the controller 9 is a conventional technical means for those skilled in the art, and this application does not affect the working The principle is improved; if the temperature inside the upper or lower box is too high and reaches the action value of the temperature switch 6, the controller 9 will stop the main power switch 11; the smoke detector to be tested will alarm within the set threshold, and the status of the smoke detector alarm light can be checked from the upper observation window. The smoke detector is commercially available, and it will alarm through the alarm light when it exceeds the set threshold. This is a conventional technical means for those skilled in the art, and this application has not improved the working principle; after the test is completed, the controller 9 is turned off, the main power switch 11 is disconnected, the upper box cabinet door 1-1 is opened, the bottom plate cable aviation plug is removed, the plug-in detector bottom plate 8 is pulled out from the card slot 10, the upper box cabinet door 1-1 is closed, and the tested smoke detector is removed, and the work is completed.
[0059] Example 2
[0060] like Figure 8 As shown, this embodiment, based on the embodiment 1, further includes the following settings:
[0061] The box body 1 includes a box body, a first side wing connected to one side of the box body, and a second side wing connected to the other side of the box body; the main power switch 11, the air inlet switch 13, and the air outlet switch 14 are all connected to the first side wing; the smoke detector 2-1 and the temperature transmitter 4-1 are both connected to the second side wing.
[0062] The above description of the embodiments is intended to facilitate understanding and use of the utility model by those skilled in the art. Those skilled in the art will readily be able to make various modifications to these embodiments and apply the general principles described herein to other embodiments without requiring inventive effort. Therefore, the utility model is not limited to the above-described embodiments. Improvements and modifications made by those skilled in the art based on the disclosure of this utility model without departing from the scope of this utility model should be within the scope of protection of this utility model.
Claims
1. A special detection tool for smoke detectors after cleaning, characterized in that: The detection tool comprises a box (1), a smoke concentration detection mechanism (2), an axial flow fan (3), a temperature detection mechanism (4), a smoke pipeline (5), a smoke generating chamber (7), a plug-in detector base plate (8), and a card slot (10); The smoke concentration detection mechanism (2) is connected to the box (1) and is used to detect and display the smoke concentration; The temperature detection mechanism (4) is connected to the box (1) and is used to detect and display the temperature; The axial flow fan (3) is used for air intake and smoke exhaust, and the axial flow fan (3) is connected to the box (1); The smoke generating chamber (7) is arranged in the box body (1); The smoke generating chamber (7) is connected to the smoke pipeline (5); The smoke pipeline (5) is arranged in the box (1); The card slot (10) is provided in the box body (1); The plug-in detector base plate (8) is snap-connected with the card slot (10), and the plug-in detector base plate (8) is used for installing a smoke detector to be detected.
2. A special inspection tool for cleaning smoke detectors according to claim 1, characterized in that: The box body (1) is provided with an upper box body door (1-1) and a lower box body door (1-2); The upper cabinet door (1-1) is arranged above the lower cabinet door (1-2).
3. The special inspection tool for cleaning smoke detectors according to claim 1, characterized in that: The smoke concentration detection mechanism (2) comprises a smoke detector (2-1) and a smoke display screen (2-2); The smoke detector (2-1) is arranged in the box (1), and the smoke detector (2-1) is arranged on the inner upper wall of the box (1); The smoke display screen (2-2) is arranged on the outer surface of the box body (1).
4. The special inspection tool for cleaning smoke detectors according to claim 1, characterized in that: The axial flow fan (3) comprises a smoke exhaust fan (3-1) and an air intake fan (3-2); The smoke exhaust fan (3-1) and the air intake fan (3-2) are both connected to the box body (1); The smoke exhaust fan (3-1) is used for exhausting smoke, and the air intake fan (3-2) is used for intake air; The smoke exhaust fan (3-1) is arranged on the upper wall of the box body (1); The smoke exhaust fan (3-1) is arranged on the side wall of the box body (1).
5. The special inspection tool for cleaning smoke detectors according to claim 1, characterized in that: The temperature detection mechanism (4) includes a temperature transmitter (4-1) and a temperature display screen (4-2); The temperature transmitter (4-1) is arranged in the box (1), and the temperature transmitter (4-1) is arranged on the upper wall inside the box (1); The temperature display screen (4-2) is arranged on the outer surface of the box body (1).
6. The special inspection tool for cleaning smoke detectors according to claim 1, characterized in that: The detection tool further comprises a temperature switch (6), a main power switch (11), an air inlet switch (13), and an air outlet switch (14); The temperature switch (6) is arranged in the box (1); The main power switch (11) is arranged on the outer surface of the box (1); The air inlet switch (13) and the air outlet switch (14) are both arranged on the outer surface of the box body (1).
7. The special inspection tool for cleaning smoke detectors according to claim 6, characterized in that: The detection tool further comprises a controller (9); The controller (9) is arranged on the box (1); The controller (9) is communicatively connected with the temperature switch (6), the main power switch (11), the air inlet switch (13), the air outlet switch (14), the smoke concentration detection mechanism (2), the axial flow fan (3), and the temperature detection mechanism (4).
8. The special inspection tool for cleaning smoke detectors according to claim 1, characterized in that: The detection tool also includes a universal wheel (12); The universal wheel (12) is connected to the box body (1).
9. The special inspection tool for cleaning smoke detectors according to claim 1, characterized in that: The detection tool further comprises an observation window (15); The observation window (15) is connected to the box body (1), and the observation window (15) is used to observe the state of the alarm light of the smoke detector to be detected.
10. The special inspection tool for cleaning smoke detectors according to claim 1, characterized in that: The smoke pipeline (5) is a "N"-shaped pipeline; The smoke pipeline (5) is provided with a spray hole (5-1).