Air-breathing smoke-sensing fire alarm device

Abstract

The utility model discloses an air-breathing smoke-sensing fire alarm device, and relates to the technical field of fire alarm. The flash lamp comprises a mounting plate, a shell is fixedly connected to the front face of the mounting plate, a flash assembly is arranged on the front face of the shell, an air inlet is formed in the right side of the shell, a flowing pipe is fixedly connected to the inner wall of the shell, and an air outlet is formed in the left side of the mounting plate; a rotating ring is fixedly connected to the back face of the flash cover, and a round hole is formed in the front face of the shell. According to the utility model, the bell is arranged, specifically, the rotating ring can drive the knocking block to rotate together during rotation, the bell is knocked after the knocking block is in contact with the bell, so that vibration and sound production are generated, the bell can be continuously knocked and sound can be produced by such reciprocating operation, and the volume can be increased by the knocking mode, so that surrounding people can be better reminded; the warning effect can be effectively achieved in a noisy area with few crowds, and safety is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of fire alarm, and particularly relates to an aspiration type smoke fire alarm device. Background Art

[0002] Smoke alarms, also known as fire alarms, mainly achieve an early warning effect by sensing changes in smoke. It is worth noting that smoke alarms cannot prevent the occurrence of fires, but they allow us to detect fires as soon as possible, thereby reducing some losses and avoiding injuries.

[0003] When the existing suction type smoke fire alarm device senses a large amount of smoke, it usually uses an internal speaker to sound. This sounding method can only produce a small sound. In areas with few people or relatively noisy areas, it is not easy for people to notice it, and the warning effect is poor, which can easily miss the best rescue time for the fire. Therefore, we propose an suction type smoke fire alarm device. Utility Model Content

[0004] The purpose of the utility model is to provide an air-suction type smoke fire alarm device, which is provided with a bell, specifically a rotating ring, which drives a striking block to rotate together when it rotates. When the striking block contacts the bell, it will strike the bell, thereby generating vibration and sound. This reciprocating process can make the bell continuously struck and sound. The striking method can increase the volume, thereby better reminding the people around. It can effectively play a warning role in areas with fewer people or more noise, thereby improving safety. It solves the problem that the existing air-suction type smoke fire alarm device has a small sound, is not easy for people to notice in areas with fewer people or more noise, and has a poor warning effect.

[0005] In order to solve the above technical problems, the utility model is realized by the following technical solutions:

[0006] The utility model is an aspiration type smoke fire alarm device, comprising a mounting plate, a housing is fixedly connected to the front of the mounting plate, a flash assembly is arranged on the front of the housing, an air inlet is opened on the right side of the housing, a flow pipe is fixedly connected to the inner wall of the housing, and an air outlet is opened on the left side of the mounting plate;

[0007] The flash assembly includes a flash cover, a swivel is fixedly connected to the back of the flash cover, a circular hole is opened on the front of the shell, the inner wall of the circular hole is rotatably connected to the swivel, and a plurality of knocking blocks are fixedly connected to the outer surface of the swivel. Bells are provided on the left and right sides of the swivel, and the two bells contain the same parts. The bells are provided, specifically, the swivel will drive the knocking blocks to rotate together when it rotates, and when the knocking blocks come into contact with the bells, the bells will be knocked, thereby generating vibration and sound. This reciprocating motion can make the bells continuously knocked and sound, and the knocking method can increase the volume, thereby better reminding the people around, and can effectively serve as a warning in areas with fewer people or in noisy areas, thereby improving safety.

[0008] Furthermore, a bevel gear 1 is provided on the back of the knocking block, the inner wall of the bevel gear 1 is fixedly connected to the outer surface of the swivel, the front of the shell contacts a limiting ring, the inner wall of the limiting ring is fixedly connected to the outer surface of the swivel, an alarm light is provided inside the swivel, and the limiting ring is used to limit the swivel, so that the swivel can rotate more stably to avoid deviation.

[0009] Furthermore, the bell is hemispherical in shape, and an elastic column is fixedly connected to the back of the inner wall of the bell. A spring is sleeved on the outside of the elastic column, and the front of the elastic column is fixedly connected to the front of the inner wall of the shell. The back of the alarm light is fixedly connected to the front of the circulation pipe. A fixing groove is provided on the back of the circulation pipe, and a smoke sensor is fixedly connected to the inner wall of the fixing groove. A fan is provided inside the circulation pipe, and a stabilizing ring is fixedly connected to the front of the circulation pipe. The fan is used to suck external air into the circulation pipe, which is then sensed by the smoke sensor to determine whether there is a fire.

[0010] Furthermore, a support frame is fixedly connected to the back side of the inner wall of the shell, a motor is fixedly connected to the back side of the support frame, a bevel gear 2 is fixedly connected to the front output end of the motor, the bottom of the bevel gear 2 is meshed and connected with the top of the bevel gear 1, and the motor starts to drive the bevel gear 2 to rotate, and the bevel gear 2 drives the rotating ring to rotate through the bevel gear 1.

[0011] Furthermore, a plurality of openings are provided on the outer surface of the flash cover. By setting the flash cover, specifically, the rotating ring will drive the flash cover to rotate together. Since the flash cover is semi-transparent and semi-shielding, the light emitted by the alarm light can flash when the flash cover rotates, thereby further improving the warning effect, and the flashing of the light source can be better discovered by the crowd. The inner wall of the rotating ring is rotatably connected to the outer surface of the stabilizing ring, and the outer surface of the knocking block is in contact with the outer surface of the bell.

[0012] Furthermore, the front side of the spring is fixedly connected to the front side of the inner wall of the shell, the back side of the spring is fixedly connected to the inner wall of the bell, the left side of the circulation tube is interconnected with the air outlet, and the right side of the circulation tube is interconnected with the air inlet. The elastic column and the spring are used to support the bell. Since the elastic column is elastic, the bell can move arbitrarily when it is struck, making it convenient for the knocking block to leave the bell.

[0013] The utility model has the following beneficial effects:

[0014] 1. The utility model arranges a bell, specifically a rotating ring, which drives a striking block to rotate together when it rotates. When the striking block contacts the bell, it strikes the bell, thereby generating vibration and sound. This reciprocating movement can make the bell continuously struck and sound. The striking method can increase the volume, thereby better alerting the people around. It can effectively serve as a warning in areas with fewer people or in noisy areas, thereby improving safety.

[0015] 2. The utility model provides a flash cover, specifically, the rotating ring drives the flash cover to rotate together with it. Since the flash cover is semi-transparent and semi-shielding, the light emitted by the alarm light can flash when the flash cover rotates, thereby further improving the warning effect, and the flashing of the light source can be better discovered by the crowd.

[0016] Of course, any product implementing this utility model does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solution of the embodiment of the utility model, the drawings required for describing the embodiment will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the front cross-sectional structure of the housing of the utility model;

[0020] Figure 3 It is a schematic diagram of the cross-sectional structure of the right side of the housing of the utility model;

[0021] Figure 4 This is a schematic diagram of the cross-sectional structure of the top of the shell of the utility model;

[0022] Figure 5 It is a schematic diagram of the overall structure of the swivel of the utility model.

[0023] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0024] 1. Mounting plate; 11. Shell; 12. Flash assembly; 121. Flash cover; 122. Warning light; 123. Swivel; 231. Bevel gear one; 232. Limiting ring; 233. Knocking block; 124. Bell; 241. Elastic column; 242. Spring; 13. Air inlet; 14. Flow pipe; 141. Smoke detector; 142. Fan; 143. Stabilizing ring; 15. Air outlet; 16. Support frame; 161. Motor; 162. Bevel gear two. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] See also Figure 1-5 As shown, the utility model is an aspirating smoke fire alarm device, comprising a mounting plate 1, a housing 11 is fixedly connected to the front of the mounting plate 1, a flash assembly 12 is arranged on the front of the housing 11, an air inlet 13 is opened on the right side of the housing 11, a flow pipe 14 is fixedly connected to the inner wall of the housing 11, and an air outlet 15 is opened on the left side of the mounting plate 1;

[0027] The flash assembly 12 includes a flash cover 121, a swivel 123 is fixedly connected to the back of the flash cover 121, a circular hole is opened on the front of the shell 11, the inner wall of the circular hole is rotatably connected to the swivel 123, and a plurality of knocking blocks 233 are fixedly connected to the outer surface of the swivel 123. Bells 124 are arranged on the left and right sides of the swivel 123. The two bells 124 contain the same parts. The bells 124 are arranged, specifically, the swivel 123 will drive the knocking blocks 233 to rotate together when it rotates. When the knocking blocks 233 come into contact with the bell 124, the bell 124 will be knocked, thereby generating vibration and sound. This reciprocating movement can make the bell 124 continuously knocked and sound. The knocking method can increase the volume, thereby better reminding the people around, and can effectively serve as a warning in areas with fewer people or in noisy areas, thereby improving safety.

[0028] A bevel gear 231 is arranged on the back of the knocking block 233, and the inner wall of the bevel gear 231 is fixedly connected to the outer surface of the rotating ring 123. The front of the shell 11 contacts the limiting ring 232, and the inner wall of the limiting ring 232 is fixedly connected to the outer surface of the rotating ring 123. An alarm light 122 is arranged inside the rotating ring 123.

[0029] The bell 124 is hemispherical in shape, with an elastic column 241 fixedly connected to the back of the inner wall of the bell 124, a spring 242 sleeved on the outside of the elastic column 241, the front of the elastic column 241 fixedly connected to the front of the inner wall of the shell 11, the back of the alarm light 122 fixedly connected to the front of the flow pipe 14, a fixing groove is provided on the back of the flow pipe 14, a smoke detector 141 is fixedly connected to the inner wall of the fixing groove, a fan 142 is provided inside the flow pipe 14, and a stabilizing ring 143 is fixedly connected to the front of the flow pipe 14.

[0030] The back of the inner wall of the shell 11 is fixedly connected with a support frame 16, the back of the support frame 16 is fixedly connected with a motor 161, the front output end of the motor 161 is fixedly connected with a bevel gear 2 162, and the bottom of the bevel gear 2 162 is meshed with the top of the bevel gear 1 231.

[0031] A plurality of openings are provided on the outer surface of the flash cover 121. By setting the flash cover 121, specifically the rotating ring 123, the flash cover 121 will be driven to rotate together when it rotates. Since the flash cover 121 is semi-transparent and semi-shielding, the light emitted by the alarm light 122 can flash when the flash cover 121 rotates, thereby further improving the warning effect, and the flashing of the light source can be better discovered by the crowd. The inner wall of the rotating ring 123 is rotatably connected to the outer surface of the stabilizing ring 143, and the outer surface of the knocking block 233 is in contact with the outer surface of the bell 124.

[0032] The front side of the spring 242 is fixedly connected to the front side of the inner wall of the shell 11 , the back side of the spring 242 is fixedly connected to the inner wall of the bell 124 , the left side of the circulation tube 14 is interconnected with the air outlet 15 , and the right side of the circulation tube 14 is interconnected with the air inlet 13 .

[0033] A specific application of this embodiment is:

[0034] The mounting plate 1 on the alarm device is installed on the wall by bolts. When in use, the fan 142 inside the circulation tube 14 will start, thereby generating suction, and the external air will enter the circulation tube 14 from the air inlet 13, and the smoke sensor 141 will sense the smoke in the air. The model of the smoke sensor 141 is JTW-GD-TC3121. When the smoke is large, the motor 161 starts to drive the bevel gear 2 162 to rotate, and the alarm light 122 lights up at the same time. The bevel gear 2 162 drives the rotating ring 123 to rotate through the bevel gear 1 231, and the rotating ring 123 rotates on the stabilizing ring 143 to improve stability. At the same time, the rotating ring 123 will drive the knocking block 233 to rotate together when rotating. When the knocking block 233 contacts the bell 124, it will knock the bell 124, thereby The ring 124 is connected to the shell 11 by the elastic column 241 and the spring 242, so that the knocking block 233 can pass through the ring 124 smoothly, and the ring 124 can be reset by the elastic action. The ring 124 can be knocked and sounded continuously in this reciprocating manner, and the knocking method can increase the volume, so as to better remind the people around, and can effectively serve as a warning in areas with fewer people or noisy areas to improve safety. At the same time, the rotating ring 123 will drive the flash cover 121 to rotate when it rotates. Since the flash cover 121 is semi-transparent and semi-shielding, the light emitted by the alarm light 122 can flash when the flash cover 121 rotates, thereby further improving the warning effect, and the flashing of the light source can be better discovered by the crowd, so the alarm work can be completed.

[0035] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0036] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. An aspirating smoke fire alarm device, comprising a mounting plate (1), wherein a housing (11) is fixedly connected to the front of the mounting plate (1), characterized in that: The front of the shell (11) is provided with a flash assembly (12), the right side of the shell (11) is provided with an air inlet (13), the inner wall of the shell (11) is fixedly connected with a flow pipe (14), and the left side of the mounting plate (1) is provided with an air outlet (15); The flash assembly (12) comprises a flash cover (121), the back of the flash cover (121) is fixedly connected to a rotating ring (123), the front of the housing (11) is provided with a circular hole, the inner wall of the circular hole is rotatably connected to the rotating ring (123), the outer surface of the rotating ring (123) is fixedly connected to a plurality of knocking blocks (233), the left and right sides of the rotating ring (123) are both provided with bells (124), and the parts contained in the two bells (124) are the same.

2. The aspirating smoke fire alarm device according to claim 1, characterized in that: A bevel gear 1 (231) is arranged on the back of the knocking block (233), the inner wall of the bevel gear 1 (231) is fixedly connected to the outer surface of the rotating ring (123), the front of the housing (11) contacts a limit ring (232), the inner wall of the limit ring (232) is fixedly connected to the outer surface of the rotating ring (123), and an alarm light (122) is arranged inside the rotating ring (123).

3. The aspirating smoke fire alarm device according to claim 2, characterized in that: The bell (124) is hemispherical in shape, the back of the inner wall of the bell (124) is fixedly connected with an elastic column (241), the outer side of the elastic column (241) is sleeved with a spring (242), and the front side of the elastic column (241) is fixedly connected with the front side of the inner wall of the housing (11).

4. The aspirating smoke fire alarm device according to claim 3, characterized in that: The back of the alarm light (122) is fixedly connected to the front of the circulation tube (14); a fixing groove is provided on the back of the circulation tube (14); a smoke detector (141) is fixedly connected to the inner wall of the fixing groove; a fan (142) is provided inside the circulation tube (14); and a stabilizing ring (143) is fixedly connected to the front of the circulation tube (14).

5. The aspirating smoke fire alarm device according to claim 4, characterized in that: A support frame (16) is fixedly connected to the back of the inner wall of the housing (11), a motor (161) is fixedly connected to the back of the support frame (16), a bevel gear 2 (162) is fixedly connected to the front output end of the motor (161), and the bottom of the bevel gear 2 (162) is meshedly connected to the top of the bevel gear 1 (231).

6. The aspirating smoke fire alarm device according to claim 4, characterized in that: The outer surface of the flash cover (121) is provided with a plurality of openings, the inner wall of the rotating ring (123) is rotatably connected to the outer surface of the stabilizing ring (143), and the outer surface of the striking block (233) is in contact with the outer surface of the bell (124).

7. The aspirating smoke fire alarm device according to claim 5, characterized in that: The front side of the spring (242) is fixedly connected to the front side of the inner wall of the shell (11), the back side of the spring (242) is fixedly connected to the inner wall of the bell (124), the left side of the circulation tube (14) is interconnected with the air outlet (15), and the right side of the circulation tube (14) is interconnected with the air inlet (13).

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