CN218729269U - Detector - Google Patents

Abstract

The utility model provides a detector, which is used for detecting smoke and comprises a detector main body and a temperature sensing component, wherein the temperature sensing component is independently arranged outside the detector main body and detachably arranged in the detector main body, the temperature sensing component comprises a temperature sensing shell and a temperature sensing control panel, a first accommodating cavity is arranged inside the temperature sensing shell, the temperature sensing control panel is arranged in the first accommodating cavity, and the temperature sensing control panel is electrically connected with the detector main body; through independently setting up the temperature sensing subassembly in the outside of detector main part to set up the temperature sensing control panel in the temperature sensing subassembly, can avoid the heat that the module that generates heat in the detector produced to influence the detection of temperature sensing subassembly promptly, can accomplish timely detection to the temperature variation in the environment again.

Description

Detector

Technical Field

The application relates to the technical field of detection, in particular to a detector.

Background

The detector is usually used for detecting smoke, fire light and temperature generated by object combustion or detecting leaked gas, and when the early warning concentration is reached or a preset range is reached, the detector can give out sound and light alarm, so that the warning effect is achieved; however, the temperature and humidity sensor is integrated in the existing smoke detector to improve the detection precision, but the temperature and humidity sensor is sensitive to temperature, and other components on the integrated control board can generate temperature in the operation process, so that the detection precision of the temperature and humidity sensor is influenced, and the detection precision is greatly interfered.

Disclosure of Invention

Based on this, the utility model provides a detector, this detector are the temperature sensing subassembly of integrated setting promptly to accomplish timely detection to the temperature variation in the environment, make the module of generating heat mutual separation of temperature sensing subassembly and detector again, thereby avoid the heat influence temperature sensing subassembly's that the module of generating heat produced in the detector to detect.

The utility model provides a detector for detect smog, including detector main part and temperature sensing subassembly, the temperature sensing subassembly independently set up in outside the detector main part, and detachably install in the detector main part.

It can be understood that the temperature sensing assembly is independently arranged outside the detector main body, so that the heat generated by the heating module in the detector can be prevented from influencing the detection of the temperature sensing assembly, and the temperature change in the environment can be timely detected.

In an embodiment of the present invention, the temperature sensing assembly includes a temperature sensing housing and a temperature sensing control board, the temperature sensing housing is internally provided with a first accommodating cavity, the temperature sensing control board is disposed in the first accommodating cavity, and the temperature sensing control board is electrically connected to the detector main body.

It can be understood that by arranging the temperature-sensing control board, the temperature-sensing control board can detect temperature and humidity changes in the air and judge whether to alarm according to temperature and humidity conditions.

In an embodiment of the present invention, the temperature-sensing casing includes a temperature-sensing base and a temperature-sensing cover, a first butt-joint portion is disposed on a side portion of the temperature-sensing base, a second butt-joint portion is disposed on the temperature-sensing cover, and the first butt-joint portion and the second butt-joint portion are butted against each other to form a communication channel with a hollow interior.

It can be understood that the communication channel is formed by butting the temperature-sensing base and the temperature-sensing cover body, so that the communication line can pass through the communication channel conveniently.

In an embodiment of the present invention, the end of the first butt-joint portion is provided with a butt-joint buckle, the lateral portion of the detector main body is provided with a buckling groove, and the butt-joint buckle can be buckled into the buckling groove.

It can be understood that, the butt joint buckle is arranged at the end part of the first butt joint part, and the buckling groove is formed in the side part of the detector main body, so that the butt joint buckle can be buckled in the buckling groove, and the temperature sensing component can be detachably mounted on the detector body.

In an embodiment of the present invention, the temperature-sensing base is provided with a plurality of through detection holes, the detection holes communicate with the first accommodating chamber and the external space, and the plurality of detection holes are centrally disposed in the middle of the temperature-sensing base.

It can be understood that a plurality of detection holes are formed, so that the concentration of the external space can be detected through the temperature-sensitive control plate.

In an embodiment of the present invention, the detector main body includes a camera component, the camera component is disposed on the top of the detector main body, the camera component includes a camera housing, a camera and a control panel, a second accommodating chamber is disposed inside the camera housing, the control panel is disposed in the second accommodating chamber, the camera is mounted on the inner wall of the camera housing, and the camera housing corresponds to the camera opening.

It can be understood that the external environment can be photographed by arranging the camera assembly.

The utility model discloses an embodiment, camera subassembly still includes the infrared detection module, infrared set up in the inner wall of camera housing, and correspond the setting of shooting mouth.

It can be understood that the camera can shoot under the dark scene by arranging the infrared detection module.

In an embodiment of the utility model, the detector main part still includes the cigarette and feels the subassembly, the cigarette feel the subassembly set up in the bottom of detector main part, the cigarette feels the subassembly includes that the cigarette feels casing and labyrinth plate, the third holding chamber has been seted up to the casing is felt to the cigarette inside, just the inspection hole has been seted up to the casing is felt to the cigarette, the labyrinth plate set up in the third holding intracavity, and part stretch out the inspection hole.

It will be appreciated that by providing a smoke sensing component, the smoke content in the air can be detected.

The utility model discloses an embodiment, the cigarette is felt subassembly still includes and advances the petticoat pipe, advance the petticoat pipe and set up in the cigarette is felt the casing with between the temperature sensing casing, and enclose and establish the labyrinth stretches out the part of inspection hole, the periphery that advances the petticoat pipe is seted up a plurality of perforating holes that link up, and is a plurality of the perforating hole is followed the periphery that advances the petticoat pipe is evenly laid.

It can be understood that, by arranging the smoke inlet hood, smoke can uniformly enter the labyrinth plate so as to detect air at the periphery.

The utility model discloses an in one embodiment, the subassembly is felt to cigarette still includes the link plate, the link plate is close to relatively the one end that the casing was felt to the cigarette is equipped with joint spare, the casing is felt to the cigarette corresponds joint spare is equipped with the joint groove, joint spare can lock joint to the joint inslot.

It can be understood that, through setting up the link plate, with the link plate installation to predetermineeing the position to feel mutually supporting of casing through link plate and cigarette, make the cigarette feel the casing can joint to the link plate.

Compared with the prior art, the detector is independent of the temperature sensing component of the detector body through the arrangement, so that the temperature change in the environment can be timely detected, the temperature sensing component and the heating module of the detector are mutually separated, and the heat generated by the heating module in the detector is prevented from influencing the detection of the temperature sensing component.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments or the conventional technologies of the present application, the drawings used in the descriptions of the embodiments or the conventional technologies will be briefly introduced below, it is obvious that the drawings in the following descriptions are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic diagram of a detector according to an embodiment of the present disclosure;

FIG. 2 is a schematic view of an exemplary disassembled detector structure provided herein;

FIG. 3 is a schematic view of an exemplary disassembled structure of a probe body according to the present disclosure;

fig. 4 is a schematic structural diagram of a temperature sensing assembly according to an embodiment of the present disclosure.

Reference numerals: 100. a detector; 10. a probe body; 11. a camera assembly; 111. a camera housing; 1111. an upper camera cover; 11111. a shooting port; 1112. a camera base; 112. a camera; 113. a control panel; 114. an infrared detection module; 115. a heat dissipation plate; 12. a smoke detection component; 121. a smoke-sensitive housing; 1211. a smoke sensing upper cover; 12111. detecting the through hole; 1212. a smoke sensing cover body; 12121. a clamping groove; 12122. a fastening groove; 12123. a guide groove; 122. a labyrinth plate; 123. a smoke inlet hood; 1231. a through hole; 124. hanging the plate; 1241. a clamping piece; 20. a temperature sensing component; 21. a temperature-sensitive housing; 211. a temperature-sensitive base; 2111. a first mating portion; 21111. butting buckles; 21112. a detection hole; 212. a temperature-sensitive cover body; 2121. a second docking portion; 22. temperature-sensing control board.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present application more comprehensible, embodiments accompanying the present application are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. This application is capable of embodiments in many different forms than those described herein and that modifications may be made by one skilled in the art without departing from the spirit and scope of the application and it is therefore not intended to be limited to the specific embodiments disclosed below.

It will be understood that when an element is referred to as being "secured to" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used in the description of the present application are for illustrative purposes only and do not represent the only embodiments.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may mean that the first feature is in direct contact with the second feature, or that the first feature and the second feature are in indirect contact via an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in the description of the present application, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 to 4, the present invention provides a detector 100, wherein the detector 100 includes a detector body 10 and a temperature sensing assembly 20, the temperature sensing assembly 20 is independently disposed outside the detector body 10 for independently detecting the temperature to determine whether a fire occurs, and the detector body 10 is used for detecting the smoke concentration and the external dynamic environment.

The utility model discloses an in one embodiment, detector body 10 includes that camera module 11 and cigarette sense subassembly 12, and camera module 11 and cigarette sense subassembly 12 integrated setting, and camera module 11 is used for detecting outside dynamic environment, and cigarette sense subassembly 12 is used for detecting smog concentration.

The camera module 11 includes a camera housing 111, a camera module 11 and a camera control board 113, the camera housing 111 is used for the camera module 11 and the camera control board 113, the camera module 11 is used for monitoring the external environment, and the camera control board 113 is used for integrating the camera module 11 to process the picture shot by the camera module 11.

The camera shooting shell 111 comprises a camera shooting upper cover 1111 and a camera shooting base 1112, the camera shooting base 1112 is roughly in a disc shape, a mounting column is arranged on the camera shooting base 1112 facing the inside of the camera shooting upper cover 1111 in a protruding mode, and the camera shooting control board 113 is installed on the mounting column in a butt joint mode through screws so that the camera shooting control board 113 can be installed in the mounting column in an integrated mode; the camera shooting upper cover 1111 is substantially bowl-shaped, and is tapped to the camera shooting base 1112 so as to isolate the camera shooting assembly 11 from the external space through the cooperation with the camera shooting base 1112, and in order to enable the camera shooting assembly 11 to detect the external space, the camera shooting opening 11111 is provided at a position corresponding to the camera shooting assembly 11 in the camera shooting upper cover 1111.

The camera assembly 11 comprises a camera 112 and an infrared detection module 114, the camera 112 is communicably connected to a camera control board 113, the camera 112 is fixedly mounted to the camera upper cover 1111 and is disposed corresponding to the opening, and can transmit a shot picture to the camera control board 113, so that the camera control board 113 can process the picture shot by the camera 112; the quantity of infrared detection module 114 sets up to two, and two infrared detection modules 114 use camera 112 to set up in upper cover 1111 as the symmetry center symmetry to can be under the condition of dark, camera 112 can image clearly.

So set up, through setting up the lens 112, in order to be able to detect the external dynamic environment; an infrared detection module 114 is arranged to enable the camera 112 to detect the external environment even in the dark; when a fire breaks out, the camera 112 can shoot the flame information in time, so that an alarm can be given in time.

In addition, the camera 112 and the infrared detection module 114 are mounted to the camera upper cover 1111, so that only the camera 112 or the infrared detection module 114 can be replaced when the camera 112 or the infrared detection module 114 is damaged, without replacing the entire camera control board 113 and the camera 112.

It can be understood that the present invention is not limited to the number of infrared detection modules, and in other embodiments, the number of infrared detection modules 114 can be set to one or three, as long as the infrared module can detect the external infrared radiation.

It should be noted that, in order to avoid the camera control board 113 from being damaged due to an excessively high temperature of the camera control board 113 during the operation process, the camera assembly 11 further includes a heat dissipation plate 115, and the heat dissipation plate 115 is fixedly installed on an end surface of the camera control board 113 facing away from the camera 112, so as to dissipate heat of the camera control board 113.

In an embodiment of the present invention, the smoke sensing assembly 12 includes a smoke sensing housing 121, a smoke inlet cover 123 and a labyrinth plate 122, wherein the smoke inlet cover 123 is used to enable the airflow to enter the smoke sensing control panel 113, the smoke sensing housing 121 is used to protect the smoke sensing control panel 113, and the labyrinth plate 122 is used to detect the concentration of smoke in the air.

The smoke sensing shell 121 comprises a smoke sensing upper cover 1211 and a smoke sensing cover 1212, the smoke sensing upper cover 1211 is substantially disc-shaped, the smoke sensing cover 1212 is substantially bowl-shaped, and the smoke sensing cover 1212 can be buckled to the smoke sensing upper cover 1211 and encloses an accommodating space to seal and protect the labyrinth plate 122; in addition, in order to enable the labyrinth plate 122 to detect the smoke concentration in the air, the middle portion of the smoke sensation upper cover 1211 is opened with a detection hole 21112 penetrating through the smoke sensation upper cover 1211, and a portion of the labyrinth plate 122 penetrates through a detection through hole 12111 of the smoke sensation upper cover 1211 to detect the smoke concentration in the air.

So set up, through setting up maze board 122 in order to detect the smog concentration in the air to can detect whether the fire appears and report to the police.

It is understood that the present invention is not limited to the shape of the smoke sensing cover 1212 and the smoke sensing cover 1211, and in other embodiments, the smoke sensing cover 1211 has a square plate structure, the smoke sensing cover 1212 is a cube structure adapted to the smoke sensing cover 1211, and the smoke sensing cover 1212 is hollow inside and can notify the labyrinth plate 122; therefore, as described above, the smoke sensing cap 1212 and the smoke sensing upper 1211 may be engaged with each other to protect the labyrinth plate 122.

Further, in order to enable the portion of the labyrinth plate 122 penetrating through the smoke sensing upper cover 1211 to receive a stable and uniform airflow, in an embodiment of the present invention, the smoke sensing assembly 12 further includes a smoke inlet cover 123, the smoke inlet cover 123 is substantially cylindrical, a plurality of through holes 1231 penetrating through the smoke inlet cover 123 are formed in the periphery of the smoke inlet cover 123, the plurality of through holes 1231 are uniformly arranged along the periphery of the smoke inlet cover 123, and the through holes 1231 extend from one end of the smoke inlet cover 123 to the other end of the smoke inlet cover 123; one end of the smoke inlet hood 123 is abutted against the smoke sensation upper cover 1211, and the other end is abutted against the camera base 1112, so that the portion of the labyrinth plate 122 extending out of the smoke sensation upper cover 1211 is covered, and air can stably and uniformly enter the labyrinth plate 122 through the uniformly opened through holes 1231.

In addition, in order to fix the smoke sensing component 12 and the camera component 11 connected with each other to a preset position, the smoke sensing component 12 further comprises a hanging plate 124, the hanging plate 124 is approximately in a disc shape, a plurality of fixing holes are formed in the hanging plate 124, and the hanging plate 124 can be fixed to the preset position through a fixing mode of a screw fastener; a clamping piece 1241 is arranged inside the hanging plate 124, and a clamping groove 12121 matched with the clamping piece 1241 is arranged at the corresponding bottom of the smoke sensing cover body 1212; when the smoke sensing cover 1212 is connected to the hanging plate 124, the clamping member 1241 can be clamped into the clamping groove 12121, so that the smoke sensing cover 1212 and the hanging plate 124 are fastened to each other.

The detector 100 is usually used for detecting smoke, fire light and temperature generated by object combustion or detecting leaked gas, and when the early warning concentration is reached or a preset range is reached, the detector 100 can give out sound and light alarm, so that the warning effect is achieved; however, the temperature and humidity sensor is integrated in the existing smoke detector to improve the detection accuracy, but the temperature and humidity sensor is sensitive to the temperature, and other components on the integrated control board 113 can generate the temperature in the operation process, so that the detection accuracy of the temperature and humidity sensor is affected, and the detection accuracy is greatly interfered.

To the technical problem, the utility model provides a modified detector 100, this detector 100 are equipped with the temperature sensing subassembly 20 that is independent of detector body 10, can accomplish promptly to the temperature variation in the environment and detect, also can avoid the heat influence temperature sensing subassembly 20's that the module that generates heat in the detector 100 produced detection precision.

In this embodiment, the detector 100 further includes a temperature sensing assembly 20, the temperature sensing assembly 20 includes a temperature sensing housing 21, a temperature sensing control board 22 and a connection line, the temperature control is disposed in an accommodating cavity in the temperature sensing housing 21, the temperature sensing housing 21 is used for protecting and accommodating the control board 113, and the temperature sensing control board 22 is used for detecting temperature variation; one end of the connecting wire is connected to the temperature-sensing control board 22, and the other end is connected to the main body of the detector 100, so as to electrically connect the temperature-sensing control board 22 to the main body of the detector 100.

Specifically, the temperature-sensing housing 21 includes a temperature-sensing base 211 and a temperature-sensing cover 212, the temperature-sensing base 211 is substantially disc-shaped, a first butt portion 2111 is disposed on one side of the temperature-sensing base 211, the temperature-sensing cover 212 is disposed in a hollow cylindrical shape corresponding to the temperature-sensing base 211, the temperature-sensing cover 212 is covered on the temperature-sensing base 211 to form a closed mounting structure for mounting the temperature-sensing control board 22, a second butt portion 2121 is disposed at a position of the temperature-sensing cover 212 corresponding to the first butt portion 2111, and the first butt portion and the second butt portion are mutually buckled to form a hollow communication channel to allow a connection line to be connected to the probe body 10 through the communication channel.

With this arrangement, the temperature-sensitive base 211 and the temperature-sensitive cover 212 can enclose the temperature-sensitive control board 22, and the temperature-sensitive control board 22 is fixedly mounted while being protected by temperature-sensitive control.

Further, in order to enable the temperature sensing assembly 20 to be detachably mounted to the side of the probe body 10; the end of the first docking portion 2111 of the temperature-sensing housing 21 is provided with a docking buckle 21111, in this embodiment, the docking buckle 21111 is provided as a "U" shaped buckle, the camera base 1112 of the probe body 10 is provided with a buckling groove 12122, and the buckling groove 12122 is adapted to the docking buckle 21111, the buckling groove 12122 includes an insertion portion and a locking portion, the insertion portion is recessed along a radial direction, the latching portion can be inserted into the insertion portion along a radial direction, the locking portion is recessed along an axial direction, the "U" shaped buckle can be snapped into the locking portion and can be relatively compressed to lock the first docking portion 2111; in order to stably buckle the "U" shaped buckle into the locking portion, guide grooves 12123 are further formed on both sides of the locking portion along the depth direction of the locking portion, and the first docking portion 2111 is provided with a slide rail corresponding to the guide grooves 12123, and the slide rail can be installed in the guide grooves 12123 and move along the guide grooves 12123, so that the "U" shaped buckle of the first docking portion 2111 can slide into the locking groove by the cooperation of the slide rail and the guide grooves 12123.

With this arrangement, the temperature sensing assembly 20 can be detachably mounted to the camera base 1112 by providing the U-shaped buckle and the buckle groove 12122 that is engaged with the U-shaped buckle, so as to avoid the influence of the temperature of the device in the probe body 10 on the temperature sensing control board 22.

The temperature-sensing control panel 22 is integrated with a temperature and humidity sensor and a microprocessor, the temperature and humidity sensor is communicably and electrically connected with the processor, the temperature and humidity sensor detects the temperature and humidity condition of the external environment, converts the temperature and humidity condition into an electric signal and transmits the electric signal to the microprocessor, the microprocessor converts the transmitted electric signal into a temperature and humidity value, compares the obtained temperature and humidity value with a set value, and gives out a sound alarm when the detected temperature and humidity value is greater than the set value; in addition, in order to enable the temperature and humidity control board 113 to respond timely, one end of the connecting member is electrically connected to the detector 100 main body, and the other end of the connecting member is electrically connected to the temperature and humidity control board 113, so that the temperature and humidity control board 113 can input electric power through a connecting wire.

With such an arrangement, the temperature sensing component 20 is disposed outside the main body of the detector 100, so that the temperature change in the environment can be detected in time, and the detection accuracy of the temperature sensing component 20 can be prevented from being affected by the heat generated by the heating module in the detector body 10.

Note that some non-heat generating components, for example, a CO sensor (carbon monoxide sensor) may be provided in the temperature-sensitive casing 21 so that CO (carbon monoxide) in the air can be detected.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the claims. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present application shall be subject to the appended claims.

Claims (10)

1. A detector is used for detecting smoke and is characterized by comprising a detector main body and a temperature sensing component (20), wherein the temperature sensing component (20) is independently arranged outside the detector main body and is detachably arranged on the detector main body.

2. The detector according to claim 1, wherein the temperature sensing assembly (20) comprises a temperature sensing housing (21) and a temperature sensing control board (22), a first accommodating cavity is formed in the temperature sensing housing (21), the temperature sensing control board (22) is arranged in the first accommodating cavity, and the temperature sensing control board (22) is electrically connected to the detector body.

3. The detector according to claim 2, wherein the temperature-sensing housing (21) comprises a temperature-sensing base (211) and a temperature-sensing cover (212), a first butt joint portion (2111) is arranged at a side portion of the temperature-sensing base (211), a second butt joint portion (2121) is arranged on the temperature-sensing cover (212), and the first butt joint portion (2111) and the second butt joint portion are butted with each other to form a communication channel with a hollow interior.

4. The detector according to claim 3, characterized in that the end of the first docking portion (2111) is provided with a docking catch (21111), the side of the detector body is provided with a catching groove (12122), and the docking catch (21111) can be caught in the catching groove (12122).

5. The detector according to claim 3, wherein the temperature-sensitive base (211) is provided with a plurality of through detection holes (21112), the detection holes (21112) communicate the first accommodating cavity with an external space, and the plurality of detection holes (21112) are intensively arranged in the middle of the temperature-sensitive base (211).

6. The detector according to claim 1, wherein the detector main body comprises a camera assembly (11), the camera assembly (11) is disposed at a top of the detector main body, the camera assembly (11) comprises a camera housing (111), a camera (112) and a control panel (113), a second accommodating cavity is formed in the camera housing (111), the control panel (113) is disposed in the second accommodating cavity, the camera (112) is mounted to an inner wall of the camera housing (111), and the camera housing (111) is provided with a shooting opening (11111) corresponding to the camera (112).

7. The detector according to claim 6, wherein the camera (112) assembly further comprises an infrared detection module (114), and the infrared detection module is disposed on an inner wall of the camera housing (111) and corresponding to the shooting opening (11111).

8. The detector according to claim 6, wherein the detector body further comprises a smoke sensing component (12), the smoke sensing component (12) is disposed at the bottom of the detector body, the smoke sensing component (12) comprises a smoke sensing shell (121) and a labyrinth plate (122), a third accommodating cavity is opened inside the smoke sensing shell (121), the smoke sensing shell (121) is opened with a detection through hole (12111), and the labyrinth plate (122) is disposed inside the third accommodating cavity and partially protrudes out of the detection through hole (12111).

9. The detector according to claim 8, wherein the smoke sensing assembly (12) further comprises a smoke inlet cover (123), the smoke inlet cover (123) is arranged between the smoke sensing shell (121) and the camera shell (111) and encloses a part of the labyrinth plate (122) extending out of the detection through hole (12111), a plurality of through holes (1231) are formed in the periphery of the smoke inlet cover (123), and the plurality of through holes (1231) are uniformly distributed along the periphery of the smoke inlet cover (123).

10. The detector according to claim 8, wherein the smoke detector assembly (12) further comprises a hanging plate (124), a clamping piece (1241) is arranged at one end of the hanging plate (124) relatively close to the smoke detector shell (121), a clamping groove (12121) is arranged on the smoke detector shell (121) corresponding to the clamping piece (1241), and the clamping piece (1241) can be buckled into the clamping groove (12121).

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