CN214844295U

CN214844295U - Tunnel air quality monitoring device

Info

Publication number: CN214844295U
Application number: CN202121557415.0U
Authority: CN
Inventors: 胡娟; 杨波
Original assignee: China Road and Bridge Corp
Current assignee: China Road and Bridge Corp
Priority date: 2021-07-09
Filing date: 2021-07-09
Publication date: 2021-11-23
Anticipated expiration: 2031-07-09

Abstract

The utility model discloses a tunnel air quality monitoring device, which comprises an upper cover body and an L-shaped box, wherein a detection tank is arranged between the upper cover body and the L-shaped box, one side of the upper cover body is provided with an air inlet, the lower end part of the L-shaped box is provided with a first cavity, the upper end part of the L-shaped box is provided with a second cavity, a lower spiral carbon rod is arranged in the first cavity, an upper spiral carbon rod is arranged in the second cavity, and the lower spiral carbon rod and the upper spiral carbon rod correspond to a fan arranged at the intersection of the first cavity and the second cavity; this air quality monitoring devices goes up circulating fan's both ends and respectively is connected with a cavity, has all placed spiral carbon pole in each cavity, and spiral carbon pole can adsorb the steam in the cavity, makes the air current keep dry state, improves electric elements's in the fan working life, can dismantle the mode person of facilitating the use who connects simultaneously and clean the change, convenient practicality.

Description

Tunnel air quality monitoring device

Technical Field

The utility model relates to a tunnel construction technical field specifically is a tunnel air quality monitoring devices.

Background

During tunnel construction, the air quality in the tunnel needs to be monitored in real time by using the air detection device, so that safe operation is realized. Traditional air quality monitoring devices, including the gas storage chamber, gas storage chamber one end is connected with the fan, is equipped with gas sensor and alarm controller in the gas storage chamber, and monitoring devices monitors the air quality through gas sensor and alarm controller. Because the tunnel is in humid environment, air humidity is higher, when carrying out air detection, gaseous back of following the fan and discharging, steam is very easily in remaining in the fan and forming the dirt to influence the working life of circuit element in the fan, it is difficult to clean moreover. In this regard, improvements are needed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a tunnel air quality monitoring devices to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a tunnel air quality monitoring device comprises an upper cover body and an L-shaped box, wherein a detection tank is arranged between the upper cover body and the L-shaped box, an air inlet is formed in one side of the upper cover body, and the air inlet is communicated with an upper port of the detection tank;

the lower end part of the L-shaped box is provided with a first cavity communicated with the lower port of the detection tank, the upper end part of the L-shaped box is provided with a second cavity, the second cavity is vertically staggered with the first cavity and communicated with the first cavity, and the first cavity is communicated with an exhaust port arranged on one side of the upper cover body;

be equipped with down spiral charcoal pole in the first cavity, lower spiral charcoal pole can dismantle with L type box through establishing the first installation stopper in L type box one side and be connected, is equipped with spiral charcoal pole in the second cavity, goes up spiral charcoal pole and can dismantle with L type box through the last spiral charcoal pole of establishing on last lid top and be connected, and lower spiral charcoal pole and last spiral charcoal pole are corresponding with the fan of establishing the junction at first cavity and second cavity.

Preferably, the outer ring of the lower spiral carbon rod body is wound with a spirally arranged movable carbon structural member, and the movable carbon structural member positioned on the lower spiral carbon rod is arranged below the communication position of the detection tank and the first cavity.

Preferably, the outer ring of the upper spiral carbon rod body is wound with an active carbon structural member which is spirally arranged, and the active carbon structural member on the upper spiral carbon rod body extends into the exhaust port.

Preferably, one end of each of the first mounting plug and the second mounting plug is arranged in the first cavity and the second cavity respectively, the outer wall of one end of each of the first mounting plug and the second mounting plug, which is located in the first cavity and the second cavity, is provided with a threaded surface, and the threaded surface is in threaded fit with the cavity wall of each of the first cavity and the second cavity.

Preferably, the connecting end of the fan and the first cavity is an air inlet end, the connecting end of the fan and the second cavity is an air outlet end, and filter screens are arranged at the ports of the air inlet end and the air outlet end.

Preferably, the support frame is installed to L type box utensil lower extreme, and the support frame includes the mount pad, and the mount pad bottom is equipped with three supporting leg at least, and the terminal surface is articulated with the supporting leg under the mount pad, and the mount pad up end can be dismantled with L type box utensil and be connected.

Preferably, the bottom end of the supporting leg is provided with a supporting leg, the lower end of the supporting leg is provided with a gasket, and the upper end of the supporting leg is hinged to the bottom end of the supporting leg.

Compared with the prior art, the beneficial effects of the utility model are that: this air quality monitoring devices goes up circulating fan's both ends and respectively is connected with a cavity, has all placed spiral carbon pole in each cavity, and spiral carbon pole can adsorb the steam in the cavity, makes the air current keep dry state, improves electric elements's in the fan working life, can dismantle the mode person of facilitating the use who connects simultaneously and clean the change, convenient practicality.

Drawings

Fig. 1 is a schematic structural diagram of a tunnel air quality monitoring device.

Fig. 2 is a schematic structural diagram of a detection tank in a tunnel air quality monitoring device.

Fig. 3 is a schematic structural diagram of a lower spiral carbon rod in a tunnel air quality monitoring device.

In the figure: 1. an upper cover body; 2. an L-shaped box; 3. a mounting seat; 4. supporting legs; 5. a support leg; 6. a detection tank; 7. a first mounting plug; 8. a second mounting plug; 9. an air inlet; 10. an exhaust port; 11. a first chamber; 12. a second chamber; 13. a lower spiral carbon rod; 14. an upper spiral carbon rod; 15. a fan; 16. filtering with a screen; 17. thread surfaces.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Referring to fig. 1-3, in an embodiment of the present invention, a tunnel air quality monitoring device includes an upper cover 1 and an L-shaped box 2, a detection tank 6 is disposed between the upper cover 1 and the L-shaped box 2, an air inlet 9 is disposed on one side of the upper cover 1, and the air inlet 9 is communicated with an upper port of the detection tank 6; be equipped with gas sensor and alarm controller on detecting jar 6, gas sensor installs and detects 6 interior gases of detecting jar in detecting jar 6, and alarm controller installs and is used for receiving the information of gas sensor feedback and makes the warning outside detecting jar 6.

The lower end part of the L-shaped box 2 is provided with a first cavity 11, the first cavity 11 is communicated with the lower port of the detection tank 6, the upper end part of the L-shaped box 2 is provided with a second cavity 12, the second cavity 12 is vertically staggered with the first cavity 11 and is communicated with the first cavity 11, and the first cavity 11 is communicated with an exhaust port 10 arranged on one side of the upper cover body 1;

a lower spiral carbon rod 13 is arranged in the first cavity 11, the lower spiral carbon rod 13 is detachably connected with the L-shaped box 2 through a first mounting plug 7 arranged on one side of the L-shaped box 2, an upper spiral carbon rod 14 is arranged in the second cavity 12, the upper spiral carbon rod 14 is detachably connected with the L-shaped box 2 through an upper spiral carbon rod 14 arranged at the top end of the upper cover body 1, and the lower spiral carbon rod 13 and the upper spiral carbon rod 14 correspond to a fan 15 arranged at the junction of the first cavity 11 and the second cavity 12; fan 15 begins work, make through first cavity 11 and detect jar 6 interior production negative pressure, the air that comes from the external world detects in getting into detection jar 6 through air inlet 9, get into and detect jar 6 interior back through first cavity 11 entering filter screen 16, then discharge from gas vent 10 through second cavity 12, the air is around fan 15, can absorb moist steam in first cavity 11 and the second cavity 12 under spiral carbon pole 13 and the effect of last spiral carbon pole 14 down, helical structure's active carbon structure spare, can increase the area of contact of air current and spiral carbon pole 13 and last spiral carbon pole 14 down, improve the adsorption effect of steam, can not bring the influence to gas discharge speed simultaneously.

A movable carbon structural member spirally arranged is wound on the outer ring of the lower spiral carbon rod 13 body, and the movable carbon structural member positioned on the lower spiral carbon rod 13 is arranged below the communication part of the detection tank 6 and the first chamber 11; the outer ring of the upper spiral carbon rod 14 is wound with an active carbon structural member which is spirally arranged, and the active carbon structural member positioned on the upper spiral carbon rod 14 extends into the exhaust port 10;

one ends of the first mounting plug 7 and the second mounting plug 8 are respectively arranged in the first cavity 11 and the second cavity 12, the outer walls of the first mounting plug 7 and the second mounting plug 8 at the inner ends of the first cavity 11 and the second cavity 12 are provided with threaded surfaces 17, and the threaded surfaces 17 are in threaded fit with the cavity walls of the first cavity 11 and the second cavity 12; lower spiral charcoal pole 13 and last spiral charcoal pole 14 wear to establish in first cavity 11 and second cavity 12, and lower spiral charcoal pole 13 can be dismantled with L type box utensil 2 through first installation stopper 7 and be connected, goes up spiral charcoal pole 14 and opens to dismantle with L type box utensil 2 through second installation stopper 8 and is connected, and screw-thread fit's mode, the person of easily using changes spiral charcoal pole 13 and last spiral charcoal pole 14 down.

The connection end of the fan 15 and the first chamber 11 is an air inlet end, the connection end of the fan 15 and the second chamber 12 is an air outlet end, and the port parts of the air inlet end and the air outlet end are both provided with a filter screen 16.

The lower end of the L-shaped box 2 is provided with a support frame, the support frame comprises an installation base 3, the bottom end of the installation base 3 is at least provided with three support legs 4, the lower end face of the installation base 3 is hinged with the support legs 4, and the upper end face of the installation base 3 is detachably connected with the L-shaped box 2; the bottom end of the supporting leg 4 is provided with a supporting leg 5, the lower end of the supporting leg 5 is provided with a gasket, and the upper end of the supporting leg 5 is hinged with the bottom end of the supporting leg 4; l type box utensil 2 passes through bolt spare and can dismantle with the support frame to be connected, and the support frame is the tripod, and during the laying, each supporting leg 4 with the support frame opens, and the height is placed to control L type box utensil 2.

Utility model's theory of operation: the L-shaped box 2 is installed at the upper end of the support frame through a bolt, each support leg 4 of the support frame is opened, the placement height of the L-shaped box 2 is controlled, the fan 15 starts to work, negative pressure is generated in the detection tank 6 through the first cavity 11, air from the outside enters the detection tank 6 through the air inlet 9 for detection, enters the detection tank 6 and then enters the filter screen 16 through the first cavity 11, and then is exhausted from the air outlet 10 through the second cavity 12, and the air can absorb moisture in the first cavity 11 and the second cavity 12 under the action of the lower spiral carbon rod 13 and the upper spiral carbon rod 14 before and after flowing through the fan 15; spiral carbon pole can adsorb the steam in the cavity, makes the air current keep dry state, improves electric elements's in the fan working life, can dismantle the mode person of facilitating the use who connects simultaneously and clean the change, convenient practicality.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention.

Claims

1. A tunnel air quality monitoring device comprises an upper cover body (1) and an L-shaped box (2), and is characterized in that a detection tank (6) is arranged between the upper cover body (1) and the L-shaped box (2), an air inlet (9) is formed in one side of the upper cover body (1), and the air inlet (9) is communicated with an upper port of the detection tank (6);

a first cavity (11) is formed in the lower end of the L-shaped box (2), the first cavity (11) is communicated with a lower port of the detection tank (6), a second cavity (12) is formed in the upper end of the L-shaped box (2), the second cavity (12) is vertically staggered with the first cavity (11) and is communicated with the first cavity (11), and the first cavity (11) is communicated with an exhaust port (10) formed in one side of the upper cover body (1);

be equipped with down spiral charcoal pole (13) in first cavity (11), spiral charcoal pole (13) can be dismantled with L type box utensil (2) through establishing first installation stopper (7) in L type box utensil (2) one side down and be connected, be equipped with spiral charcoal pole (14) in second cavity (12), it can dismantle with L type box utensil (2) and be connected to go up spiral charcoal pole (14) through establishing last spiral charcoal pole (14) on last lid (1) top, spiral charcoal pole (13) and last spiral charcoal pole (14) are corresponding with fan (15) of establishing the junction of first cavity (11) and second cavity (12) down.

2. The tunnel air quality monitoring device according to claim 1, wherein a movable carbon structural member is spirally wound around the body of the lower spiral carbon rod (13), and the movable carbon structural member on the lower spiral carbon rod (13) is arranged below a communication part of the detection tank (6) and the first chamber (11).

3. The tunnel air quality monitoring device according to claim 1, characterized in that the upper spiral carbon rod (14) is wound with spirally arranged active carbon structural members on the outer circumference, and the active carbon structural members on the upper spiral carbon rod (14) extend into the exhaust port (10).

4. The tunnel air quality monitoring device according to claim 1, wherein one end of each of the first mounting plug (7) and the second mounting plug (8) extends into the first chamber (11) and the second chamber (12), the end of each of the first mounting plug (7) and the second mounting plug (8) located in the first chamber (11) and the second chamber (12) is provided with a threaded surface (17), and the threaded surface (17) is in threaded fit with the wall of each of the first chamber (11) and the second chamber (12).

5. The tunnel air quality monitoring device according to claim 1, wherein a connection end of the fan (15) and the first chamber (11) is an air inlet end, a connection end of the fan (15) and the second chamber (12) is an air outlet end, and a port of each of the air inlet end and the air outlet end is provided with a filter screen (16).

6. The tunnel air quality monitoring device according to claim 1, wherein a support frame is installed at the lower end of the L-shaped box (2), the support frame comprises an installation seat (3), at least three support legs (4) are arranged at the bottom end of the installation seat (3), the lower end face of the installation seat (3) is hinged to the support legs (4), and the upper end face of the installation seat (3) is detachably connected with the L-shaped box (2).

7. A tunnel air quality monitoring device according to claim 6, characterized in that a support leg (5) is arranged at the bottom end of the support leg (4), a gasket is arranged at the lower end of the support leg (5), and the upper end of the support leg (5) is hinged with the bottom end of the support leg (4).