CN219221717U

CN219221717U - Infrared smoke sensor

Info

Publication number: CN219221717U
Application number: CN202222920749.0U
Authority: CN
Inventors: 王康军
Original assignee: Wuhan Hanhe Liangyi Technology Co ltd
Current assignee: Wuhan Hanhe Liangyi Technology Co ltd
Priority date: 2022-11-03
Filing date: 2022-11-03
Publication date: 2023-06-20
Anticipated expiration: 2032-11-03

Abstract

The utility model discloses an infrared smoke sensor, belonging to the technical field of infrared smoke sensors; including mounting panel, casing, install the alarm in the outer one side of casing, install infrared photoelectric smoke sensor, controller in the casing respectively, the casing surface is equipped with a plurality of through-holes, be equipped with positioning mechanism between casing and the mounting panel, the casing both sides are equipped with the spacing groove respectively, mounting panel one side is equipped with the fixed block corresponding with the spacing groove respectively, the fixed block is close to casing one side and is equipped with the recess, recess sliding connection has the stopper with spacing groove matched with, stopper one end is equipped with the inclined plane, fixed block one side is equipped with the movable hole with the recess intercommunication, stopper one side is equipped with the movable rod, movable rod one end slides and wears to establish the movable hole and extend to the fixed block external connection has the pull ring. When the infrared smoke sensor is detached, the limit of the shell can be released by pulling the pull rings on the two sides of the shell, then the infrared smoke sensor can be detached, and then the infrared smoke sensor can be replaced, so that the infrared smoke sensor is more convenient and time is saved.

Description

Infrared smoke sensor

Technical Field

The utility model provides an infrared smoke sensor, and belongs to the technical field of infrared smoke sensors.

Background

The fire detector is a device for detecting fire in an automatic fire alarm system. Fire detectors are the "sense organs" of the system that function to monitor the environment for the occurrence of a fire. Once a fire condition exists, the characteristic physical quantity of the fire, such as temperature, smoke, gas, radiation intensity and the like, is converted into an electric signal, and immediately acts to send an alarm signal to a fire alarm controller, an infrared smoke sensor is also one of the fire alarm controllers, the infrared smoke sensor is generally installed on a wall body in a fixing mode such as a screw, a corresponding tool is required when the infrared smoke sensor is required to be detached and replaced, the screw is easy to fall to the ground when detached, and the infrared smoke sensor is inconvenient to detach.

Disclosure of Invention

The infrared smoke sensor provided by the utility model can solve the problem of inconvenient disassembly of the infrared smoke sensor.

In order to solve the problems, the technical scheme provided by the utility model is as follows: the infrared photoelectric smoke sensor is installed in the shell, a plurality of through holes are formed in the surface of the shell, a positioning mechanism is arranged between the shell and the mounting plate, limiting grooves are formed in two sides of the shell, fixing blocks corresponding to the limiting grooves are arranged on one side of the mounting plate respectively, grooves are formed in one side of the fixing blocks close to the shell, limiting blocks matched with the limiting grooves are slidably connected with the grooves, an inclined surface is arranged at one end of each limiting block, movable holes communicated with the grooves are formed in one side of each fixing block, movable rods are arranged on one side of each limiting block, one ends of the movable rods slide to penetrate through the movable holes to be connected with pull rings outside the fixing blocks, springs are connected between the limiting blocks and the grooves, and guide mechanisms are arranged between the limiting blocks and the grooves.

Preferably, the infrared photoelectric smoke sensor is electrically connected with the controller, and the controller is electrically connected with the alarm.

Preferably, the through hole is communicated with the inside of the shell, and the infrared photoelectric smoke sensor can judge the alarm condition through smoke penetrating through the through hole.

Preferably, the positioning mechanism comprises a positioning block arranged on one side of the shell and a positioning groove matched with the positioning block and arranged on one side of the mounting plate, and the positioning mechanism is convenient to quickly align when a new infrared smoke sensor is replaced.

Preferably, the positioning block is in sliding connection with the positioning groove.

Preferably, one end of the limiting block is penetrated with the groove and is in sliding connection with the limiting groove.

Preferably, the guide mechanism comprises guide blocks respectively arranged on two sides of the limiting block and guide grooves respectively arranged on two sides of the groove, the guide blocks are in sliding connection with the guide grooves, and the setting of the guide mechanism can play a guide role on the limiting block.

The utility model has the beneficial effects that: when the infrared smoke sensor is detached, the limit of the shell can be released by pulling the pull rings on the two sides of the shell, then the infrared smoke sensor can be detached, and then the infrared smoke sensor can be replaced, so that the infrared smoke sensor is more convenient and time is saved.

Drawings

Fig. 1 is a schematic diagram of an infrared smoke sensor according to the present utility model.

Fig. 2 is a schematic diagram of the structure of an infrared smoke sensor a according to the present utility model.

(1, a mounting plate, 2, a shell, 3, an alarm, 4, an infrared photoelectric smoke sensor, 5, a controller, 6, a through hole, 7, a positioning block, 8, a positioning groove, 9, a limiting groove, 10, a fixed block, 11, a groove, 12, a limiting block, 13, an inclined plane, 14, a movable hole, 15, a movable rod, 16, a pull ring, 17 and a spring.

Detailed Description

In order to make the technical problems, technical schemes and beneficial effects to be solved by the present application more clear, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the present application.

It will be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

In the description of the present application, the meaning of "a plurality" is two or more, unless explicitly defined otherwise. The meaning of "a number" is one or more than one unless specifically defined otherwise.

In the description of the present application, it should be understood that the terms "center," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships that are based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the present application and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present application.

In the description of the present application, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art as the case may be.

The utility model is further described below with reference to the accompanying drawings.

According to the illustration in fig. 1: the utility model provides an infrared smoke sensor, which comprises: including mounting panel 1, casing 2, alarm 3 is installed to casing 2 outside one side, install infrared photoelectric smoke sensor 4, controller 5 in the casing 2 respectively, the casing 2 surface is equipped with a plurality of through-holes 6, be equipped with positioning mechanism between casing 2 and the mounting panel 1, the casing 2 both sides are equipped with spacing groove 9 respectively, mounting panel 1 one side is equipped with the fixed block 10 corresponding with spacing groove 9 respectively, fixed block 10 is close to casing 2 one side and is equipped with recess 11, recess 11 sliding connection has stopper 12 with spacing groove 9 matched with, stopper 12 one end is equipped with inclined plane 13, fixed block 10 one side is equipped with the movable hole 14 with recess 11 intercommunication, stopper 12 one side is equipped with movable rod 15, movable rod 15 one end slides and wears to establish movable hole 14 and extends to be connected with pull ring 16 outside fixed block 10, be connected with spring 17 between stopper 12 and the recess 11, be equipped with guiding mechanism between stopper 12 and the recess 11.

The infrared photoelectric smoke sensor 4 is electrically connected with the controller 5, and the controller 5 is electrically connected with the alarm 3.

The through hole 6 communicates with the inside of the housing 2.

The positioning mechanism comprises a positioning block 7 arranged on one side of the shell 2, and a positioning groove 8 matched with the positioning block 7 and arranged on one side of the mounting plate 1.

The positioning block 7 is in sliding connection with the positioning groove 8.

One end of the limiting block 12 is penetrated through the groove 11 and is in sliding connection with the limiting groove 9.

The guide mechanism comprises guide blocks respectively arranged on two sides of the limiting block 12 and guide grooves respectively arranged on two sides of the groove 11, and the guide blocks are in sliding connection with the guide grooves.

The principle of the utility model is as follows:

during operation, the mounting plate 1 is mounted on a wall body, the shell 2 of the infrared smoke sensor is partially mounted on the mounting plate 1, the infrared smoke sensor 4 monitors and judges smoke penetrating through the through hole 6, then signals are transmitted to the controller 5, the controller 5 controls the alarm 3 to alarm, when the infrared smoke sensor needs to be replaced, the shell 2 is detached from the mounting plate 1 at first, when the infrared smoke sensor is detached, the pull ring 16 on one side of the fixed block 10 is pulled at first, the pull ring 16 drives the movable rod 15 to slide along the movable hole 14, the movable rod 15 drives the limiting block 12 to leave the limiting groove 9, then the shell 2 can be directly removed from the mounting plate 1, so that the disassembly is completed, when a new infrared smoke sensor is mounted, the positioning block 7 on one side of the shell 2 is aligned with the positioning groove 8, then the shell 2 is pressed towards the mounting plate 1, the inclined surface 13 is extruded by the shell 2, the limiting block 12 enters the groove 11 until the positioning block 7 completely enters the positioning groove 8, and the limiting block 12 is pushed into the limiting groove 9 by the spring 17, and the installation and replacement can be completed.

The utility model and its embodiments have been described above with no limitation, and the actual construction is not limited to the embodiments of the utility model as shown in the drawings. In summary, if one of ordinary skill in the art is informed by this disclosure, a structural manner and an embodiment similar to the technical solution should not be creatively devised without departing from the gist of the present utility model.

Claims

1. An infrared smoke sensor, characterized in that: including mounting panel (1), casing (2), alarm (3) are installed to casing (2) outside one side, install infrared photoelectric smoke sensor (4), controller (5) in casing (2) respectively, casing (2) surface is equipped with a plurality of through-holes (6), be equipped with positioning mechanism between casing (2) and mounting panel (1), casing (2) both sides are equipped with spacing groove (9) respectively, mounting panel (1) one side is equipped with fixed block (10) corresponding with spacing groove (9) respectively, fixed block (10) are close to casing (2) one side and are equipped with recess (11), recess (11) sliding connection has stopper (12) with spacing groove (9) matched with, stopper (12) one end is equipped with inclined plane (13), fixed block (10) one side be equipped with recess (11) intercommunication movable hole (14), stopper (12) one side be equipped with movable rod (15), movable rod (15) one end slip wears to establish movable hole (14) and extends to fixed block (10) outside be connected with (16), be connected with between stopper (11) and spring (17), a guide mechanism is arranged between the limiting block (12) and the groove (11).

2. An infrared smoke sensor according to claim 1, wherein: the infrared photoelectric smoke sensor (4) is electrically connected with the controller (5), and the controller (5) is electrically connected with the alarm (3).

3. An infrared smoke sensor according to claim 1, wherein: the through hole (6) is communicated with the inside of the shell (2).

4. An infrared smoke sensor according to claim 1, wherein: the positioning mechanism comprises a positioning block (7) arranged on one side of the shell (2), and a positioning groove (8) which is arranged on one side of the mounting plate (1) and matched with the positioning block (7).

5. An infrared smoke sensor according to claim 4, wherein: the positioning block (7) is in sliding connection with the positioning groove (8).

6. An infrared smoke sensor according to claim 1, wherein: one end of the limiting block (12) is penetrated with a groove (11) and is in sliding connection with the limiting groove (9).

7. An infrared smoke sensor according to claim 1, wherein: the guide mechanism comprises guide blocks respectively arranged on two sides of the limiting block (12) and guide grooves respectively arranged on two sides of the groove (11), and the guide blocks are in sliding connection with the guide grooves.