High-position toxic and harmful gas detection device

Abstract

The utility model discloses a high-position poisonous and harmful gas detection device, which relates to the technical field of gas detection and comprises a detection box body, an air inlet pipeline and an air outlet pipeline are respectively communicated and connected with two sides of the detection box body, and a main board is arranged on the front side in the detection box body. A sealing plate is arranged at the position, corresponding to the detection box body, of the outer side of the main board, an air inlet fan is arranged on one side of the inner side end of the main board, a detection assembly is arranged on the other side of the inner side end of the main board, and a warning lamp set is arranged in the middle of the outer side end of the main board. The warning lamp set penetrates through the sealing plate and extends to the outer side of the detection box body, an air inlet notch is formed in the outer side end of the air inlet pipeline, and fixing hoops are arranged on the outer surface of the air inlet pipeline and the outer surface of the air outlet pipeline. The poisonous and harmful gas detection device is more comprehensive in sampling, and deviation of detection results is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to gas detection technical field, concretely relates to a high position toxic and harmful gas detection device. BACKGROUND

[0002] There can be a variety of toxic and harmful gases in the water conveyance tunnel, these gases not only constitute a threat to the health of construction and operation personnel, but also can cause safety accidents such as explosion or fire, common toxic and harmful gases include carbon monoxide, hydrogen sulfide, methane and the like, in addition, there can be harmful gases such as carbon dioxide, nitrogen oxides in the tunnel, long-term exposure can cause damage to the respiratory system and nervous system, in order to ensure safety, gas monitoring equipment needs to be installed in the tunnel, real-time detection of gas concentration, and equipped with a ventilation system to dilute and exclude harmful gases, through scientific management and technical means, the risk brought by toxic and harmful gases can be effectively reduced, and the safety of tunnel construction and operation is guaranteed. The conventional toxic and harmful gas detection device in the water conveyance tunnel is usually arranged on the ground, and collects and detects the surrounding gas, since different gases have different densities, the toxic and harmful gas with lower density can remain in the upper air of the tunnel, so that the sampling of the toxic and harmful gas detection device is not comprehensive enough, and the detection result deviates. SUMMARY

[0003] The utility model discloses a high position toxic and harmful gas detection device to solve the conventional toxic and harmful gas detection device in the water conveyance tunnel in the background art mentioned above is usually arranged on the ground, and the surrounding gas is collected and detected, since different gases have different densities, the toxic and harmful gas with lower density can remain in the upper air of the tunnel, so that the sampling of the toxic and harmful gas detection device is not comprehensive enough, and the detection result deviates.

[0004] To achieve the above object, the utility model provides the following technical scheme: a high position toxic and harmful gas detection device, including detection box, the both sides of detection box are connected with air inlet pipeline and air outlet pipeline respectively, the inside front side of detection box is equipped with mainboard, the outside of mainboard and the position corresponding with detection box are equipped with sealing plate, the inside end one side of mainboard is equipped with air inlet fan, the inside end other side of mainboard is equipped with detection assembly, the outside end middle position of mainboard is equipped with warning light group, warning light group penetrates sealing plate and extends to the outside of detection box, the outside end of air inlet pipeline is equipped with air inlet cutout, the outer surface of air inlet pipeline and air outlet pipeline is equipped with fixed clamp.

[0005] Preferably, the air inlet fan is fixedly connected with the mainboard by bolts, the fixed support is arranged between the detection assembly and the mainboard, the fixed support is fixedly connected with the mainboard by bolts, and the air inlet pipe, the air inlet fan, the detection assembly and the air outlet pipe are coaxially arranged.

[0006] Preferably, the fixing hoop comprises a rear fixing hoop and a front fixing hoop, a middle position of the rear fixing hoop is provided with a fixing expansion bolt, and the rear fixing hoop and the front fixing hoop are bolt-connected to fix the air inlet pipe and the air outlet pipe.

[0007] Preferably, the detection box is a square structure with an opening arranged at the front side, and the side length dimension of the detection box is consistent with the outer diameter dimension of the air inlet pipe and the air outlet pipe.

[0008] Preferably, the main plate is fixedly connected with the sealing plate through bolts, and the sealing plate is fixedly connected with the front side of the detection box through bolts.

[0009] Compared with the prior art, the utility model has the advantages that the toxic and harmful gas detection device is arranged in the water conveying tunnel on the ground, different gases have different densities, and the toxic and harmful gas with low density can be stored in the upper air of the tunnel, the surrounding air is collected and detected by arranging the toxic and harmful gas detection device at the upper end of the tunnel, the sampling of the toxic and harmful gas detection device is more comprehensive, and the deviation of the detection result is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0010] Figure 1 It is the main structure of the utility model isometric sectional view;

[0011] Figure 2 It is the main structure of the utility model is the front view schematic diagram;

[0012] Figure 3 It is the main structure of the utility model is the top view sectional view;

[0013] Figure 4 It is the main structure of the utility model is the left view sectional view;

[0014] Figure 5 It is the main structure of the utility model is the left view schematic diagram.

[0015] In the drawing: 1-detection box, 2-air inlet pipe, 3-air outlet pipe, 4-main plate, 5-sealing plate, 6-air inlet fan, 7-detection component, 8-warning light group, 9-air inlet cutout, 10-fixing hoop, 1001-rear fixing hoop, 1002-front fixing hoop, 11-fixing support, 12-fixing expansion bolt. DETAILED DESCRIPTION

[0016] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative efforts fall within the scope of the present application.

[0017] Please refer to Figures 1-5 The utility model provides a high position toxic and harmful gas detection device, including detection box 1, the both sides of detection box 1 are connected with air inlet pipeline 2 and air outlet pipeline 3 respectively, the inside front side of detection box 1 is equipped with mainboard 4, the outside of mainboard 4 and the position corresponding with detection box 1 are equipped with sealing plate 5, the inside end one side of mainboard 4 is equipped with air inlet fan 6, the inside end other side of mainboard 4 is equipped with detection assembly 7, the outside end middle position of mainboard 4 is equipped with warning light group 8, warning light group 8 penetrates sealing plate 5 and extends to the outside of detection box 1, the outside end of air inlet pipeline 2 is equipped with air inlet cutout 9, the outer surface of air inlet pipeline 2 and air outlet pipeline 3 is equipped with fixed hoop 10.

[0018] When using, set air inlet pipeline 2 and air outlet pipeline 3 at both ends of detection box 1, make air inlet pipeline 2, detection box 1 and air outlet pipeline 3 three components into a whole connected, set the whole of air inlet pipeline 2, detection box 1 and air outlet pipeline 3 into the upper end of tunnel through fixed hoop 10, set air inlet fan 6 and detection assembly 7 on mainboard 4 respectively, air inlet fan 6 is close to air inlet pipeline 2 one side, detection assembly 7 is close to air outlet pipeline 3 one side, set sealing plate 5 on the outside of mainboard 4, sealing plate 5 is sealedly connected with detection box 1, thereby seal setting mainboard 4 into the inside of detection box 1, the air of being detected is input into the inside of detection box 1 under the action of air inlet fan 6 through air inlet pipeline 2, detect the air through detection assembly 7, the air after completing detection is output outward through air outlet pipeline 3, set warning light group 8 on the outside of sealing plate 5, when detection assembly 7 detects toxic and harmful gas, warning light group 8 sends out sound and light warning, set air inlet cutout 9 on the outside of air inlet pipeline 2, air inlet cutout 9 opening faces the outside, avoid that the dust of tunnel wall surface is absorbed into the inside of detection box 1.

[0019] The air inlet fan 6 is fixedly connected with the main plate 4 through bolts, a fixed support 11 is arranged between the detection assembly 7 and the main plate 4, the fixed support 11 is fixedly connected with the main plate 4 through bolts, the air inlet pipeline 2, the air inlet fan 6, the detection assembly 7 and the air outlet pipeline 3 are coaxially arranged, the detection assembly 7 is arranged on the main plate 1 through the fixed support 11, and the air inlet pipeline 2, the air inlet fan 6, the detection assembly 7 and the air outlet pipeline 3 are arranged on the same axis.

[0020] The fixing hoop 10 comprises a rear fixing hoop 1001 and a front fixing hoop 1002, a fixed expansion bolt 12 is arranged through the middle position of the rear fixing hoop 1001, the rear fixing hoop 1001 and the front fixing hoop 1002 are fixedly connected through bolts and are used for clamping and fixing the air inlet pipeline 2 and the air outlet pipeline 3, the rear fixing hoop 1001 is fixedly arranged on the upper end of the side wall of the tunnel through the fixed expansion bolt 12, and the air inlet pipeline 2 and the air outlet pipeline 3 are clamped and fixed through the rear fixing hoop 1001 and the front fixing hoop 1002.

[0021] The detection box 1 is a square structure with an opening arranged on the front side, the side length of the detection box 1 is consistent with the outer diameter of the air inlet pipeline 2 and the air outlet pipeline 3, and the detection box 1, the air inlet pipeline 2 and the air outlet pipeline 3 are designed to be of the same size, so that the overall structure consistency is guaranteed, and the smoothness of air inlet is guaranteed.

[0022] The main plate 4 is fixedly connected with the sealing plate 5 through bolts, and the sealing plate 5 is fixedly connected with the front side of the detection box 1 through bolts, so that the main plate 4 is fixedly arranged on the detection box 1 through the sealing plate 5, and the main plate 4 is sealedly arranged in the detection box 1.

[0023] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A high position toxic and harmful gas detection device, characterized in that: The utility model relates to a detection box, including detection box (1), two sides of detection box (1) are connected with air inlet pipeline (2) and air outlet pipeline (3) respectively, the inside front side of detection box (1) is equipped with mainboard (4), the outer side of mainboard (4) and the position corresponding with detection box (1) are equipped with sealing plate (5), the inner side end one side of mainboard (4) is equipped with air inlet fan (6), the inner side end other side of mainboard (4) is equipped with detection assembly (7), the outer side end middle position of mainboard (4) is equipped with warning light group (8), warning light group (8) penetrates sealing plate (5) and extends to the outside of detection box (1), the outer side end of air inlet pipeline (2) is equipped with air inlet cutout (9), and the outer surface of air inlet pipeline (2) and air outlet pipeline (3) is equipped with fixed ferrule (10).

2. The high-position toxic and harmful gas detection device according to claim 1, characterized in that: Air inlet fan (6) is fixedly connected with mainboard (4) through bolt, and fixed support (11) is arranged between detection assembly (7) and mainboard (4), fixed support (11) is fixedly connected with mainboard (4) through bolt, and air inlet pipeline (2), air inlet fan (6), detection assembly (7) and air outlet pipeline (3) are coaxially arranged.

3. The high-position toxic and harmful gas detection device according to claim 1, characterized in that: Fixed ferrule (10) includes rear fixed ferrule (1001) and front fixed ferrule (1002), middle position of rear fixed ferrule (1001) is equipped with fixed expansion bolt (12) penetratingly, and rear fixed ferrule (1001) and front fixed ferrule (1002) are fixed to air inlet pipeline (2) and air outlet pipeline (3) by bolt connection.

4. The high-position toxic and harmful gas detection device according to claim 1, characterized in that: Detection box (1) is the cube structure of front side setting opening, and the side length size of detection box (1) is consistent with the outer diameter size of air inlet pipeline (2) and air outlet pipeline (3).

5. The high-level toxic and harmful gas detection device according to claim 1, characterized in that: Mainboard (4) is fixedly connected with sealing plate (5) through bolt, and sealing plate (5) is fixedly connected with the front side of detection box (1) through bolt.

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