Multifunctional alarm for gas detection

Abstract

The utility model belongs to the field of alarms, and particularly relates to a multifunctional alarm for gas detection, which comprises a back plate, an alarm is fixedly mounted on the front surface of the back plate, a shell is slidably connected to the outer side of the back plate, and an alarm lamp is fixedly connected to the upper end of the alarm. The upper end of the alarm is fixedly connected with two exhaust pipes which are symmetrically distributed, the lower end of the alarm is fixedly provided with an air inlet cover, the lower end of the air inlet cover is fixedly connected with an air inlet box, and an active air inlet mechanism is arranged in the air inlet box. According to the utility model, the gas inlet box, the filter box, the miniature fan and other structures are additionally arranged on the back plate, so that airflow in the environment can be input into the alarm for detection through the miniature fan in the daily monitoring process, and the sensitivity of gas detection can be effectively improved; and air flow can be filtered by a filter box and a sponge block, so that dust can be prevented from entering the alarm.

Description

Technical Field

[0001] The utility model relates to the technical field of alarms, in particular to a multifunctional alarm for gas detection. Background Art

[0002] According to the patent authorization announcement number: CN 205451406 U, a new multifunctional gas alarm is proposed. The utility model discloses a new multifunctional gas alarm, including a shell, a data input interface is provided on one side of the shell, and an alarm signal output interface is provided on the other side of the shell. The shell is provided with a display, an indicator light group, a control button and a placement slot, a buzzer is provided in the placement slot, and a GPS positioning module, a wireless communication module, an alarm signal generation module, a data processing module, a data acquisition module, a leakage detector and a relay are provided in the shell. The data input interface is connected to the data acquisition module, and the data acquisition module is connected to the data processing module. The data processing module is respectively connected to the display, the indicator light group, the control button, the buzzer, the GPS positioning module, the wireless communication module, the alarm signal generation module, the leakage detector and the relay. The utility model can alarm and locate the position of the alarm, has many functions and a simple structure.

[0003] However, during the use of the alarm in the prior art, the gas leaking can only enter the alarm through the airflow, and the alarm can only be sounded when the gas concentration in the environment reaches a certain level, which affects the sensitivity of the alarm. In addition, the shell is not easy to disassemble during the daily maintenance of the alarm, which affects the maintenance efficiency of the alarm. Therefore, it is necessary to improve the prior art. Utility Model Content

[0004] The utility model aims to provide a multifunctional alarm for gas detection, which solves the problems of low detection sensitivity and low maintenance efficiency of the alarm.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a multifunctional alarm for gas detection, comprising a back plate, an alarm is fixedly installed on the front side of the back plate, a shell is slidably connected to the outer side of the back plate, an alarm light is fixedly connected to the upper end of the alarm, two symmetrically distributed exhaust pipes are fixedly connected to the upper end of the alarm, an air intake hood is fixedly installed on the lower end of the alarm, an air intake box is fixedly connected to the lower end of the air intake hood, an active air intake mechanism is arranged inside the air intake box, guide rails are fixedly connected to the left and right sides of the front side of the back plate, a sliding frame is slidably connected to the inner side of the guide rails, the sliding frame is fixedly connected to the shell, the lower end of the shell contacts with an end cover, the upper end of the end cover is fixedly connected to a fixing plate, the fixing plate is slidably connected to a connecting rod, the end of the connecting rod away from the fixing plate is fixedly connected to a round head column, and a spring is arranged on the outer side of the connecting rod.

[0006] Preferably, the warning light is slidably connected to the shell, the exhaust pipe is slidably connected to the shell, and the shell is slidably connected to the guide rail, and the warning light can emit red light for warning.

[0007] Preferably, the air inlet box is fixedly connected to the back plate, the air inlet box is slidably connected to the outer shell, the air inlet box is slidably connected to the end cover, the round head column is snap-fitted to the outer shell, and the round head column can limit the end cover.

[0008] Preferably, one end of the spring one is fixedly connected to the round head column, and the other end of the spring one is fixedly connected to the fixing plate, and the spring one can drive the round head column to automatically reset through elastic force.

[0009] Preferably, the active air intake mechanism includes a micro fan, the interior of the air intake hood is fixedly connected to the micro fan, the interior of the air intake box is slidably connected to a filter box, the interior of the filter box is filled with a sponge block, the left and right ends of the filter box are slidably connected to square rods, one end of the square rod away from the filter box is fixedly connected to a limiting frame, and a spring 2 is provided on the outside of the square rod. The sponge block can filter dust in the air to prevent dust from entering the interior of the alarm.

[0010] Preferably, the limit frame is clamped with the air inlet box, one end of the second spring is fixedly connected to the filter box, and the other end of the second spring is fixedly connected to the limit frame, and the second spring can drive the limit frame to automatically reset through elastic force.

[0011] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0012] 1. The utility model adds structures such as an air intake box, a filter box and a micro fan on the back panel. During daily monitoring, the airflow in the environment can be input into the interior of the alarm for detection through the micro fan, thereby effectively improving the sensitivity of gas detection. The airflow can be filtered through the filter box and the sponge block to prevent dust from entering the interior of the alarm.

[0013] 2. The utility model adds guide rails, end covers, round-headed columns and other structures on the back panel, and the sliding frame on the inner side of the shell can slide into the inside of the guide rail to limit the shell, and then the round-headed columns on the end covers can limit the shell again. When disassembly is required, the end cover can be removed by simply separating the round-headed columns from the shell. After disassembly, the shell can be easily slid off the back panel, thereby making the shell more convenient and effectively improving the maintenance efficiency of the alarm. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a three-dimensional diagram of the overall structure of the utility model;

[0015] Figure 2 For the utility model Figure 1 A stereogram of the siren;

[0016] Figure 3 For the utility model Figure 1 A perspective view of a housing;

[0017] Figure 4 For the utility model Figure 1 A front cross-sectional view of

[0018] Figure 5 For the utility model Figure 4 A magnified view of the structure of part A;

[0019] Figure 6 For the utility model Figure 4 Enlarged view of the structure of part B.

[0020] In the figure: 1. back plate; 2. alarm; 3. housing; 4. alarm light; 5. exhaust pipe; 6. air intake hood; 7. air intake box; 8. active air intake mechanism; 9. guide rail; 10. sliding frame; 11. end cover; 12. fixing plate; 13. connecting rod; 14. round head column; 15. spring one; 81. micro fan; 82. filter box; 83. sponge block; 84. square rod; 85. limit frame; 86. spring two. DETAILED DESCRIPTION

[0021] 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 the embodiments. 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.

[0022] See also Figure 1-6 A multifunctional alarm for gas detection comprises a back plate 1, an alarm 2 is fixedly mounted on the front of the back plate 1, a shell 3 is slidably connected to the outer side of the back plate 1, an alarm light 4 is fixedly connected to the upper end of the alarm 2, two symmetrically distributed exhaust pipes 5 are fixedly connected to the upper end of the alarm 2, an air intake hood 6 is fixedly mounted on the lower end of the alarm 2, an air intake box 7 is fixedly connected to the lower end of the air intake hood 6, an active air intake mechanism 8 is arranged inside the air intake box 7, guide rails 9 are fixedly connected to the left and right sides of the front of the back plate 1, a sliding frame 10 is slidably connected to the inner side of the guide rails 9, the sliding frame 10 is fixedly connected to the shell 3, the lower end of the shell 3 contacts with an end cover 11, a fixed plate 12 is fixedly connected to the upper end of the end cover 11, a connecting rod 13 is slidably connected to the inner side of the fixed plate 12, a round head column 14 is fixedly connected to the end of the connecting rod 13 away from the fixed plate 12, and a spring 15 is arranged on the outer side of the connecting rod 13.

[0023] See also Figure 1-6 The alarm light 4 is slidably connected to the outer shell 3, the exhaust pipe 5 is slidably connected to the outer shell 3, the outer shell 3 is slidably connected to the guide rail 9, the alarm light 4 can emit a red light for warning, the air intake box 7 is fixedly connected to the back plate 1, the air intake box 7 is slidably connected to the outer shell 3, the air intake box 7 is slidably connected to the end cover 11, the round head column 14 is clamped with the outer shell 3, the round head column 14 can limit the end cover 11, one end of the spring 15 is fixedly connected to the round head column 14, the other end of the spring 15 is fixedly connected to the fixed plate 12, and the spring 15 can drive the round head column 14 to automatically reset through elastic force.

[0024] See also Figure 1-6 The active air intake mechanism 8 includes a micro fan 81, the interior of the air intake cover 6 is fixedly connected with the micro fan 81, the interior of the air intake box 7 is slidably connected with a filter box 82, the interior of the filter box 82 is filled with a sponge block 83, and the left and right ends of the filter box 82 are slidably connected with a square rod 84, and one end of the square rod 84 away from the filter box 82 is fixedly connected to a limiting frame 85, and a spring 86 is arranged on the outside of the square rod 84. The sponge block 83 can filter dust in the air to prevent dust from entering the interior of the alarm 2. The limiting frame 85 is clamped with the air intake box 7, one end of the spring 86 is fixedly connected to the filter box 82, and the other end of the spring 86 is fixedly connected to the limiting frame 85. The spring 86 can drive the limiting frame 85 to automatically reset through elastic force.

[0025] The specific implementation process of the utility model is as follows: when in use, the micro fan 81 is started, the micro fan 81 generates suction, and the suction is transmitted to the outside of the housing 3 through the filter box 82. The airflow enters the interior of the air inlet box 7 under the action of the suction, and then is filtered by the filter box 82 and the sponge block 83. The filtered airflow enters the interior of the air inlet cover 6, and enters the interior of the alarm 2 through the air inlet cover 6, so that the gas in the environment can be actively detected in real time, which can effectively improve the sensitivity of the device;

[0026] When the alarm 2 needs to be repaired, the end cover 11 is moved downward, and the end cover 11 drives the round head column 14 to move downward and compress the spring 15. When the round head column 14 is separated from the shell 3, the end cover 11 can be removed from the shell 3, and then the shell 3 can be removed from the back plate 1, so that the alarm 2 can be easily repaired.

[0027] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A multifunctional alarm for gas detection, comprising a back plate (1), characterized in that: An alarm (2) is fixedly mounted on the front of the back plate (1); a housing (3) is slidably connected to the outer side of the back plate (1); an alarm light (4) is fixedly connected to the upper end of the alarm (2); two symmetrically distributed exhaust pipes (5) are fixedly connected to the upper end of the alarm (2); an air intake hood (6) is fixedly mounted on the lower end of the alarm (2); an air intake box (7) is fixedly connected to the lower end of the air intake hood (6); an active air intake mechanism (8) is arranged inside the air intake box (7); and the left and right sides of the front of the back plate (1) are fixedly mounted. A guide rail (9) is fixedly connected thereto, a sliding frame (10) is slidably connected inside the guide rail (9), the sliding frame (10) is fixedly connected to the shell (3), the lower end of the shell (3) contacts an end cover (11), the upper end of the end cover (11) is fixedly connected to a fixing plate (12), the fixing plate (12) is slidably connected inside thereto a connecting rod (13), one end of the connecting rod (13) away from the fixing plate (12) is fixedly connected to a round head column (14), and a spring (15) is arranged on the outer side of the connecting rod (13).

2. A multifunctional alarm for gas detection according to claim 1, characterized in that: The warning light (4) is slidably connected to the housing (3), the exhaust pipe (5) is slidably connected to the housing (3), and the housing (3) is slidably connected to the guide rail (9).

3. A multifunctional alarm for gas detection according to claim 1, characterized in that: The air inlet box (7) is fixedly connected to the back plate (1), the air inlet box (7) is slidably connected to the outer shell (3), the air inlet box (7) is slidably connected to the end cover (11), and the round head column (14) is snap-fitted to the outer shell (3).

4. A multifunctional alarm for gas detection according to claim 1, characterized in that: One end of the spring one (15) is fixedly connected to the round head column (14), and the other end of the spring one (15) is fixedly connected to the fixing plate (12).

5. A multifunctional alarm for gas detection according to claim 1, characterized in that: The active air intake mechanism (8) comprises a micro fan (81), the interior of the air intake cover (6) is fixedly connected to the micro fan (81), the interior of the air intake box (7) is slidably connected to a filter box (82), the interior of the filter box (82) is filled with a sponge block (83), the left and right ends of the filter box (82) are slidably connected to square rods (84), one end of the square rod (84) away from the filter box (82) is fixedly connected to a limiting frame (85), and a second spring (86) is arranged on the outside of the square rod (84).

6. A multifunctional alarm for gas detection according to claim 5, characterized in that: The limiting frame (85) is clamped with the air inlet box (7), one end of the second spring (86) is fixedly connected to the filter box (82), and the other end of the second spring (86) is fixedly connected to the limiting frame (85).

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