Smoke automatic detection device for fire engineering

Abstract

The utility model belongs to the field of detection, particularly relates to an automatic smoke detection device for fire-fighting engineering, and aims to solve the problem that the sensitivity of an alarm is reduced due to the fact that the smoke inlet of an existing smoke alarm can generate dust or accumulate foreign matters in the long-term use process, and the smoke inlet effect of the smoke inlet becomes poor. The mounting seat is fixedly connected to a wall surface through bolts, an annular frame is fixedly connected to the top of the mounting seat, an alarm is mounted in the annular frame, four groups of arc-shaped smoke inlet holes are annularly formed in the top of the alarm, a clamping assembly is arranged in the annular frame, and a cleaning assembly is arranged at the top of the alarm and used for cleaning the inner walls of the arc-shaped smoke inlet holes. The alarm is hung in the annular frame through the L-shaped groove, meanwhile, the alarm is conveniently and quickly mounted and dismounted, the hanging stability of the alarm is improved through the sliding block, the inner wall of the arc-shaped smoke inlet hole is cleaned through the cleaning cotton, and the device is easy to operate and high in practicability.

Description

Technical Field

[0001] The utility model relates to the technical field of detection, in particular to an automatic smoke detection device for fire engineering. Background Art

[0002] Smoke alarm is actually another name for smoke sensor. Smoke alarm achieves fire prevention by monitoring the concentration of smoke. It is generally divided into combustible gas alarm and non-combustible gas alarm.

[0003] During the long-term use of the smoke alarm, dust or foreign matter will inevitably accumulate at the smoke inlet of the smoke alarm, which will deteriorate the smoke intake effect of the smoke inlet and reduce the sensitivity of the smoke alarm. Therefore, this document discloses an automatic smoke detection device for fire engineering. Utility Model Content

[0004] The purpose of the utility model is to solve the problem in the prior art that the smoke inlet of the smoke alarm will generate dust or accumulate foreign matter during long-term use, which makes the smoke intake effect of the smoke inlet worse, thereby causing the alarm sensitivity to decrease, and to propose an automatic smoke detection device for fire engineering.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] An automatic smoke detection device for fire engineering, comprising a mounting base fixedly connected to a wall by bolts, and further comprising:

[0007] An annular frame, fixedly connected to the top of the mounting base;

[0008] An alarm is installed in the ring frame;

[0009] Four sets of arc-shaped smoke inlet holes are opened in a ring shape on the top of the alarm to facilitate smoke to float into the alarm;

[0010] The snap-on assembly is located in the annular frame to facilitate installation and removal of the alarm;

[0011] The cleaning component is arranged on the top of the alarm and is used for cleaning the inner wall of the arc-shaped smoke inlet hole.

[0012] In a possible design, the snap-on assembly includes a plurality of L-shaped grooves formed in a ring shape on the top of the ring frame, and a plurality of card blocks that snap-fit ​​with the plurality of L-shaped grooves are fixedly connected in a ring shape to the bottom of the alarm.

[0013] In a possible design, a groove is formed on the top wall of each L-shaped groove, a slider is slidably connected in the groove, and a same spring is fixedly connected between the top wall of the groove and the top of the slider.

[0014] In a possible design, the bottom of the sliding block is provided with a curved surface.

[0015] In a possible design, the cleaning assembly includes a rotating rod rotatably connected to the top of the alarm, the outer wall of the rotating rod is annularly provided with four connecting rods, and the bottom of the connecting rod is fixed with a cleaning cotton used in conjunction with the arc-shaped smoke inlet hole.

[0016] In a possible design, an arc-shaped through hole is opened in the outer wall of the alarm, and one of the connecting rods passes through the alarm, and a handle is fixedly connected to one end of the connecting rod on the outer wall of the alarm.

[0017] In the present application, when the alarm needs to be installed, first align the block on the outer wall of the alarm with the L-shaped groove of the annular frame, move the alarm upward so that the block contacts the top wall of the L-shaped groove, and then turn the alarm to the right. The block will contact the curved surface of the slider, causing the slider to give way and the spring to be in a compressed state. When the block is located on the right side of the slider, the slider is reset under the action of the spring, thereby increasing the stability of the alarm when it is hung. If the inner wall of the arc-shaped smoke inlet hole needs to be cleaned, turn the handle, and the handle drives the rotating rod to rotate through one of the connecting rods, so that the four connecting rods rotate around the center of the rotating rod at the same time, and the cleaning cotton at the bottom of the connecting rod cleans the inner wall of the arc-shaped smoke inlet hole.

[0018] In the utility model, the automatic smoke detection device for fire engineering realizes the limit of the mounted alarm through the clamping assembly;

[0019] In the utility model, the automatic smoke detection device for fire engineering achieves the cleaning effect of the inner wall of the arc-shaped smoke inlet hole through the cleaning component;

[0020] In the utility model, an L-shaped groove is provided so that the alarm can be hung in the annular frame, which also facilitates the rapid installation and disassembly of the alarm. A snap-on assembly is provided to increase the stability of the alarm hanging, and cleaning cotton is provided to clean the inner wall of the arc-shaped smoke inlet hole. The device is simple to operate and highly practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a three-dimensional diagram of the main structure of an automatic smoke detection device for fire engineering proposed by the utility model;

[0022] Figure 2 This is a three-dimensional diagram of the mounting base structure of an automatic smoke detection device for fire engineering proposed by the utility model;

[0023] Figure 3 This is a three-dimensional diagram of the structure of a clamping assembly for an automatic smoke detection device for fire engineering proposed by the utility model;

[0024] Figure 4 This is a three-dimensional diagram of the cleaning component structure of an automatic smoke detection device for fire engineering proposed by the utility model;

[0025] Figure 5 This is a stereoscopic diagram of a cleaning cotton for an automatic smoke detection device for fire engineering proposed by the utility model.

[0026] In the figure: 1. mounting base; 2. annular frame; 3. alarm; 4. arc-shaped smoke inlet; 5. L-shaped groove; 6. block; 7. groove; 8. slider; 9. spring; 10. connecting rod; 11. rotating rod; 12. cleaning cotton; 13. arc-shaped through hole; 14. handle. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0028] Example 1

[0029] Reference Figure 1-Figure 5 A detection device includes a mounting base 1 fixedly connected to a wall surface by bolts, a ring frame 2 fixedly connected to the top of the mounting base 1, an alarm 3 installed in the ring frame 2, the alarm 3 can be the same as the smoke alarm body in the announcement number CN219318068U file, four groups of arc-shaped smoke inlet holes 4 are arranged in a ring shape at the top of the alarm 3, which is convenient for smoke to float into the alarm 3, and a clamping assembly is arranged in the ring frame 2 to facilitate the installation and removal of the alarm 3. The clamping assembly includes a plurality of L-shaped grooves 5 arranged in a ring shape at the top of the ring frame 2, and a plurality of clamping blocks 6 that are clamped and matched with the plurality of L-shaped grooves 5 are fixedly connected in a ring shape at the bottom of the alarm 3. Align the clamping block 6 on the outer wall of the alarm 3 with the L-shaped groove 5 of the ring frame 2 and move it upward, and then rotate the alarm 3 to make it hang in the L-shaped groove 5.

[0030] In one aspect of this embodiment, referring to Figure 3 The top wall of each L-shaped groove 5 is provided with a groove 7, a slider 8 is slidably connected in the groove 7, and a spring 9 is fixedly connected between the top wall of the groove 7 and the top of the slider 8. When the slider 8 moves upward in the groove 7, the spring 9 is in a compressed state, and when the bottom of the slider 8 is flush with the opening of the groove 7, the alarm 3 is rotated to allow the slider 8 to limit the alarm 3, so that the alarm 3 is hung in the L-shaped groove 5 more stably.

[0031] In one aspect of this embodiment, referring to Figure 3The bottom of the slider 8 is provided with an arc surface. When the alarm 3 rotates in the L-shaped groove 5, the block 6 on the outer wall of the alarm 3 first contacts the arc surface of the slider 8, so that the slider 8 gives way, which is convenient for the clamping of the alarm 3.

[0032] The present application can be used in the field of fire engineering smoke, and can also be applied to other fields of the present application.

[0033] Example 2

[0034] refer to Figure 1 , Figure 4 , Figure 5 , improved on the basis of Example 1: an automatic smoke detection device for fire engineering, which is used in the field of fire engineering smoke, also includes a cleaning component, which is arranged on the top of the alarm 3 and is used to clean the inner wall of the arc-shaped smoke inlet hole 4. The cleaning component includes a rotating rod 11 rotatably connected to the top of the alarm 3, and the outer wall of the rotating rod 11 is annularly provided with four connecting rods 10, and the bottom of the connecting rod 10 is fixed with a cleaning cotton 12 used in conjunction with the arc-shaped smoke inlet hole 4. Rotate the rotating rod 11, the rotating rod 11 drives the connecting rod 10 to rotate around the center of the rotating rod 11, and the cleaning cotton 12 at the bottom of the connecting rod 10 will clean the inner wall of the arc-shaped smoke inlet hole 4.

[0035] In one aspect of this embodiment, referring to Figure 4 The outer wall of the alarm 3 is provided with an arc-shaped through hole 13, and one of the connecting rods 10 passes through the alarm 3, and a handle 14 is fixedly connected to one end of the connecting rod 10 located on the outer wall of the alarm 3. If the rotating rod 11 is directly rotated by hand, when the cleaning cotton 12 at the bottom of the connecting rod 10 cleans the inner wall of the arc-shaped smoke inlet hole 4, the dust on the inner wall of the arc-shaped smoke inlet hole 4 may fall directly onto the palm. By arranging the handle 14 on the outer wall of the alarm 3, the handle 14 is turned by hand to drive the rotating rod 11 to rotate, thereby preventing dust from falling onto the palm.

[0036] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. An automatic smoke detection device for fire engineering, comprising a mounting base (1) fixedly connected to a wall surface by bolts, characterized in that: Also includes: An annular frame (2) fixedly connected to the top of the mounting base (1); An alarm (3) is installed in the annular frame (2); Four groups of arc-shaped smoke inlet holes (4) are arranged in a ring shape on the top of the alarm (3) to facilitate smoke to float into the alarm (3); A snap-on assembly is arranged in the annular frame (2) to facilitate installation and removal of the alarm (3); A cleaning component is arranged on the top of the alarm (3) and is used to clean the inner wall of the arc-shaped smoke inlet hole (4).

2. The automatic smoke detection device for fire engineering according to claim 1 is characterized in that: The snap-fit ​​assembly comprises a plurality of L-shaped grooves (5) formed in an annular shape and arranged on the top of the annular frame (2); the bottom of the alarm (3) is fixedly connected in an annular shape with a plurality of clamping blocks (6) that snap-fit ​​with the plurality of L-shaped grooves (5).

3. The automatic smoke detection device for fire engineering according to claim 2 is characterized in that: A groove (7) is formed on the top wall of each L-shaped groove (5), a sliding block (8) is slidably connected in the groove (7), and a spring (9) is fixedly connected between the top wall of the groove (7) and the top end of the sliding block (8).

4. The automatic smoke detection device for fire engineering according to claim 3 is characterized in that: The bottom of the sliding block (8) is provided with an arc-shaped surface.

5. The automatic smoke detection device for fire engineering according to claim 1 is characterized in that: The cleaning assembly comprises a rotating rod (11) rotatably connected to the top of the alarm (3); the outer wall of the rotating rod (11) is provided with four connecting rods (10) in a ring shape; and a cleaning cotton (12) for use with the arc-shaped smoke inlet hole (4) is fixedly provided at the bottom of the connecting rod (10).

6. The automatic smoke detection device for fire engineering according to claim 5 is characterized in that: An arc-shaped through hole (13) is formed on the outer wall of the alarm (3), and one of the connecting rods (10) passes through the alarm (3). A handle (14) is fixedly connected to one end of the connecting rod (10) located on the outer wall of the alarm (3).

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