Combustible gas alarm device

Abstract

The utility model relates to the technical field of combustible gas detection, in particular to a combustible gas alarm device. The combustible gas alarm device provided by the utility model can enable the gas detector to intermittently sample and detect, prolong the service life of the gas detector and improve the detection precision. A combustible gas alarm device comprises a base, a supporting rod, a protective cylinder, a gas detector, an alarm and the like, the supporting rod is connected to the upper side of the middle of the base, the protective cylinder is connected to the upper side of the supporting rod, the gas detector is connected to the inner side of the left portion of the protective cylinder, and the alarm is connected to the upper side of the left portion of the protective cylinder. According to the utility model, the bevel gear drives the baffle blade to rotate during meshing movement, so that the baffle valve is intermittently opened, and then air intermittently flows to the gas detector, thereby achieving the effects of intermittently sampling and detecting the gas detector, prolonging the service life of the gas detector and improving the detection precision.

Description

Technical Field

[0001] This utility model relates to the field of combustible gas detection technology, and in particular to a combustible gas alarm device. Background Technology

[0002] Combustible gas alarm devices are safety equipment used to detect the concentration of combustible gases in the environment and issue an alarm when the concentration reaches a preset threshold, so as to remind people to take measures to prevent fire or explosion accidents. These devices are widely used in industrial plants, commercial buildings, residences, and other places, and are of great significance in protecting life and property safety.

[0003] Existing combustible gas alarm devices use a gas collection hood to allow air to flow to a gas detector, which then detects the concentration of combustible gas in the air and issues an alarm when the concentration is too high. However, because the gas collection hood is always open, the continuous flow of gas through the gas detector accelerates its aging process, and continuous sampling may cause the gas detector to malfunction, affecting the reliability of the measurement results.

[0004] Therefore, a combustible gas alarm device has now been developed that enables gas detectors to perform intermittent sampling and detection, extending the lifespan of gas detectors and improving detection accuracy. Utility Model Content

[0005] To overcome the shortcomings of existing combustible gas alarm devices, such as the accelerated aging process caused by continuous gas flow through the gas detector and the potential failure of the gas detector due to continuous sampling, which affects the reliability of measurement results, this utility model provides a combustible gas alarm device that enables intermittent sampling and detection of the gas detector, thereby extending the life of the gas detector and improving detection accuracy.

[0006] The technical solution of this utility model is as follows: a combustible gas alarm device, including a base, a support rod, a protective cylinder, a gas detector, an alarm, and a filter blocking assembly. The support rod is connected to the upper side of the middle part of the base, and the protective cylinder is connected to the upper side of the support rod. The gas detector is connected to the inner left side of the protective cylinder, and the alarm is connected to the upper left side of the protective cylinder. The gas detector and the alarm are electrically connected. The protective cylinder is provided with a filter blocking assembly that can filter and block the gas.

[0007] As a preferred technical solution of this utility model, it also includes pins, and multiple pins are snapped onto the base.

[0008] As a preferred technical solution of this utility model, it also includes a gas collection hood, and the gas collection hood is connected to the right side of the protective cylinder.

[0009] As a preferred technical solution of this utility model, the gas collection hood is trumpet-shaped.

[0010] As a preferred technical solution of this utility model, the filter blocking assembly includes an impeller, a bevel gear, a support frame, a cleaning brush, a filter screen, a baffle, and a baffle valve. The impeller is rotatably connected to the upper right side of the protective cylinder, and the bevel gear is connected to the lower side of the impeller. The support frame is connected to the inner right side of the protective cylinder, and the cleaning brush is rotatably connected to the support frame. A bevel gear is also connected to the left side of the cleaning brush. The filter screen is connected to the inner right side of the protective cylinder, and the cleaning brush is rotatably connected to the filter screen. A baffle valve is connected to the middle of the protective cylinder, and a baffle is rotatably connected to the baffle valve. A bevel gear is also connected to the right side of the baffle, and two adjacent bevel gears mesh with each other.

[0011] As a preferred technical solution of this utility model, it also includes an activated carbon plate, and the activated carbon plate is connected to the left side of the protective cylinder.

[0012] Beneficial effects: 1. This utility model uses the meshing motion of bevel gears to drive the baffle to rotate, causing the baffle valve to open intermittently, thereby allowing air to flow intermittently to the gas detector, achieving the effect of enabling the gas detector to sample and detect intermittently, extending the life of the gas detector, and improving the detection accuracy.

[0013] 2. This utility model utilizes the airflow to drive the impeller to rotate, causing the bevel gears to mesh and rotate, which in turn drives the cleaning brush on the support frame to clean the filter screen, thus achieving the effect of automatically cleaning the filter screen and preventing filter screen blockage. Attached Figure Description

[0014] Figure 1 This is a three-dimensional structural diagram of the present invention.

[0015] Figure 2 This is a schematic diagram of the structure of the impeller and other components of this utility model.

[0016] Figure 3 This is a three-dimensional structural diagram of the cleaning brush and other components of this utility model.

[0017] Figure 4 This is a three-dimensional structural diagram of the components of the gas detector of this utility model.

[0018] Figure 5 This is a three-dimensional structural diagram of the components such as the baffle of this utility model.

[0019] The components are: 1-base, 2-pin, 3-support rod, 4-protective cylinder, 5-gas collection hood, 6-impeller, 7-bevel gear, 8-support frame, 9-cleaning brush, 10-filter screen, 11-baffle, 12-baffle valve, 13-gas detector, 14-activated carbon plate, 15-alarm. Detailed Implementation

[0020] The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments, but this is not intended to limit the present invention.

[0021] A combustible gas alarm device, such as Figures 1-5 As shown, the device includes a base 1, pins 2, a support rod 3, a protective cylinder 4, a gas collection hood 5, a gas detector 13, an alarm 15, and a filter blocking assembly. Four pins 2 are fastened to the base 1. The support rod 3 is connected to the upper middle part of the base 1. The protective cylinder 4 is connected to the upper part of the support rod 3. The gas collection hood 5 is connected to the right side of the protective cylinder 4. The gas collection hood 5 is horn-shaped to facilitate gas collection. The gas detector 13 is connected to the inner left side of the protective cylinder 4. The alarm 15 is connected to the upper left side of the protective cylinder 4. The gas detector 13 and the alarm 15 are electrically connected. A filter blocking assembly is provided on the protective cylinder 4.

[0022] like Figures 2-5 As shown, the filter blocking assembly includes an impeller 6, a bevel gear 7, a support frame 8, a cleaning brush 9, a filter screen 10, a baffle 11, a baffle valve 12, and an activated carbon plate 14. The impeller 6 is rotatably connected to the upper right side of the protective cylinder 4, and the bevel gear 7 is connected to the lower side of the impeller 6. The support frame 8 is connected to the inner right side of the protective cylinder 4, and the cleaning brush 9 is rotatably connected to the support frame 8. The bevel gear 7 is also connected to the left side of the cleaning brush 9. The filter screen 10 is connected to the inner right side of the protective cylinder 4, and the cleaning brush 9 is rotatably connected to the filter screen 10. The baffle valve 12 is connected to the middle of the protective cylinder 4, and the baffle 11 is rotatably connected to the baffle valve 12. The bevel gear 7 is also connected to the right side of the baffle 11, and two adjacent bevel gears 7 mesh with each other. The activated carbon plate 14 is connected to the left side of the protective cylinder 4.

[0023] When using this utility model, the base 1 is first fixed to the combustible gas detection area by the pin 2. The support rod 3 supports the protective cylinder 4. When air circulates, air enters the protective cylinder 4 from the gas collection hood 5. The filter 10 intercepts larger impurities in the air. Subsequently, the gas detector 13 detects the concentration of combustible gas in the air. When the air is discharged, the activated carbon plate 14 captures the combustible gas. When the concentration of combustible gas exceeds the standard, the alarm 15 sounds an alarm to remind relevant personnel to take appropriate measures. (The last sentence appears to be incomplete and possibly refers to a separate process: "Air circulates...") The impeller 6 rotates, causing the bevel gear 7 to mesh and drive the cleaning brush 9 on the support frame 8 to rotate and clean the filter screen 10. This automatically cleans the filter screen 10 and prevents it from clogging. When the bevel gear 7 meshes, it drives the baffle 11 to rotate, causing the baffle valve 12 to open intermittently. This allows air to flow intermittently to the gas detector 13, enabling the gas detector 13 to sample and detect intermittently, extending its lifespan and improving detection accuracy.

[0024] The above description is merely a specific embodiment of this utility model, but the protection scope of this utility model is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this utility model should be included within the protection scope of this utility model. Therefore, the protection scope of this utility model should be determined by the scope of the claims.

Claims

1. A combustible gas alarm device, characterized in that: It includes a base (1), a support rod (3), a protective cylinder (4), a gas detector (13), an alarm (15), and a filter blocking assembly. The support rod (3) is connected to the upper middle part of the base (1), the protective cylinder (4) is connected to the upper part of the support rod (3), the gas detector (13) is connected to the inner left side of the protective cylinder (4), and the alarm (15) is connected to the upper left side of the protective cylinder (4). The gas detector (13) and the alarm (15) are electrically connected. The protective cylinder (4) is equipped with a filter blocking assembly that can filter and block the gas.

2. The combustible gas alarm device as described in claim 1, characterized in that: It also includes pins (2), and multiple pins (2) are snapped onto the base (1).

3. A combustible gas alarm device as described in claim 1, characterized in that: It also includes a gas collection hood (5), and the protective cylinder (4) is connected to the right side of the gas collection hood (5).

4. A combustible gas alarm device as described in claim 3, characterized in that: The gas collection hood (5) is trumpet-shaped.

5. A combustible gas alarm device as described in claim 1, characterized in that: The filter blocking assembly includes an impeller (6), a bevel gear (7), a support frame (8), a cleaning brush (9), a filter screen (10), a baffle (11), and a baffle valve (12). The impeller (6) is rotatably connected to the upper right side of the protective cylinder (4), and the bevel gear (7) is connected to the lower side of the impeller (6). The support frame (8) is connected to the inner right side of the protective cylinder (4), and the cleaning brush (9) is rotatably connected to the support frame (8). The bevel gear (7) is also connected to the left side of the cleaning brush (9). The filter screen (10) is connected to the inner right side of the protective cylinder (4). The cleaning brush (9) is rotatably connected to the filter screen (10). The baffle valve (12) is connected to the middle of the protective cylinder (4), and the baffle (11) is rotatably connected to the baffle valve (12). The bevel gear (7) is also connected to the right side of the baffle (11). The two adjacent bevel gears (7) mesh with each other.

6. A combustible gas alarm device as described in claim 5, characterized in that: It also includes an activated carbon plate (14), and the activated carbon plate (14) is connected to the left side of the protective cylinder (4).

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