CN218512266U

CN218512266U - Monitoring device for smoke concentration in tunnel

Info

Publication number: CN218512266U
Application number: CN202222909813.5U
Authority: CN
Inventors: 李松柏; 莫小丽; 胡福南
Original assignee: Guangzhou Urban Construction Planning And Design Institute Co ltd
Current assignee: Guangzhou Urban Construction Planning And Design Institute Co ltd
Priority date: 2022-11-02
Filing date: 2022-11-02
Publication date: 2023-02-21
Anticipated expiration: 2032-11-02

Abstract

The utility model relates to a tunnel technical field just discloses a monitoring devices for smog concentration in tunnel, including passing through the cigarette device, it is provided with fixed establishment and installs in tunnel's encircleing a jade or jade part below to pass through cigarette device top, it openly is provided with water conservancy diversion mechanism to pass through the cigarette device, it includes the layer of passing through the cigarette, hangs knot, smoke alarm to pass through the cigarette device, it sets up in tunnel and encircles jade or jade part below to pass through the cigarette layer, hang knot fixed connection in the middle of passing through cigarette layer top, hang knot top center and seted up the locating hole, smoke alarm fixed connection is in passing through cigarette layer bottom, fixed establishment includes jib, nut one, mount pad, nut two, expansion bolts and protection shield. This a monitoring devices for smog concentration in tunnel can monitor the smog concentration in the tunnel, and the convenience is to the monitoring in the tunnel, discovers the hidden danger in advance, is convenient for in time deal with to the flue through concatenation formation helps the discharge of smog.

Description

Monitoring device for smoke concentration in tunnel

Technical Field

The utility model relates to a tunnel technical field specifically is a monitoring devices for smog concentration in tunnel.

Background

Tunnels are engineering structures buried in the ground and are a form of human use of underground space. The structure of the tunnel comprises two parts, namely a main building and accessory equipment. The main building consists of a tunnel body and a tunnel door, the auxiliary equipment comprises a car-avoiding tunnel, fire-fighting equipment, emergency communication and water-proof and drainage equipment, and the long tunnel is also provided with special ventilation and lighting equipment.

The utility model discloses a be CN 208384052U's an on-line monitoring device for cable in tunnel, including main line post joint, first line post, fault detector, second line post, vice line post joint, nut and switch, the fault detector both ends are connected with first line post and second line post respectively, and the both ends of first line post and second line post have set gradually main line post joint and vice line post joint, and the series connection installs the pilot lamp on the second line post, be provided with humidity display and humidity transducer on the fault detector respectively, the small-bore end that main line post joint and vice line post connect has second spring leaf and first spring leaf fixed mounting in proper order, the end of first spring leaf and second spring leaf is located the switch casing, and is provided with the switch on the switch casing. The utility model discloses a realized the on-line monitoring to cable in the tunnel, and humidity among the ability real-time detection environment has simple structure, convenient to use, the effectual advantage of investigation.

Above-mentioned an on-line monitoring device for cable in tunnel can not detect and report to the police smog concentration in the tunnel, can not in time discover and in time discharge fume when meetting the condition of a fire, can improve to this problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a monitoring devices for smog concentration in tunnel 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: the utility model provides a monitoring devices for smog concentration in tunnel, is including passing through cigarette device, it is provided with fixed establishment and installs in the arch jade of tunnel below through fixed establishment to pass through cigarette device top, it openly is provided with water conservancy diversion mechanism to pass through cigarette device.

The smoke ventilation device comprises a smoke ventilation layer, a hanging buckle and a smoke alarm, the smoke ventilation layer is arranged below the arch wall of the tunnel, the hanging buckle is fixedly connected to the middle of the top of the smoke ventilation layer, a positioning hole is formed in the center of the top of the hanging buckle, and the smoke alarm is fixedly connected to the bottom of the smoke ventilation layer.

Preferably, the fixing mechanism comprises a hanging rod, a first nut, a mounting seat, a second nut, an expansion bolt and a protection plate, the bottom of the hanging rod is inserted into a positioning hole in the top of the hanging buckle, the bottom of the first nut is connected to the bottom of the hanging rod in a threaded mode, the bottom of the mounting seat is inserted into the top of the hanging rod in a threaded mode, the two nuts are connected to the top end of the hanging rod in a threaded mode and located on the inner side of the mounting seat, the expansion bolt is provided with four parts which are respectively inserted into four corners of the mounting seat, and the protection plate is sleeved on the outer portion of the hanging rod.

Preferably, the flow guide mechanism comprises a closed unit and a ventilation unit, the closed unit is fixedly installed on the front surface of the top of the smoke permeable layer, and the ventilation unit is arranged in the middle of the closed unit.

Preferably, the sealing unit comprises a sealing plate and a flange, the sealing plate is arranged between the front face of the top of the smoke permeable layer and the arch wall, and the flange is fixedly connected to the bottom of the back face of the sealing plate.

Preferably, the ventilation unit comprises a fixing rod and a fan, the ventilation opening is formed in the middle of the sealing plate, the fixing rod is fixedly connected to the sealing plate and located on the inner ring of the ventilation opening, and the fan is fixedly connected to the inner ring of the ventilation opening through the fixing rod.

Preferably, the smoke alarm is provided with two smoke alarms which are respectively positioned at the left side and the right side of the bottom of the smoke permeable layer so as to monitor the smoke concentration of different areas.

Preferably, it is the concatenation unit to pass through cigarette device, fixed establishment and water conservancy diversion mechanism, can carry out repeated concatenation according to tunnel length to the top forms the flue in the tunnel, is convenient for discharge fume.

Preferably, the smoke alarm is electrically connected to a control system in an external control center for real-time monitoring.

Preferably, the smoke permeable layer is formed by laminating a plurality of layers of mesh plates made of heat-resistant materials, is firm and breathable, and is convenient for smoke to penetrate through.

Compared with the prior art, the utility model provides a monitoring devices for smog concentration in tunnel possesses following beneficial effect:

1. this a monitoring devices for smog concentration in tunnel can monitor the smog concentration in the tunnel, and the convenience is to the monitoring in the tunnel, discovers the hidden danger in advance, is convenient for in time deal with to the flue through concatenation formation helps the discharge of smog.

2. This a monitoring devices for smog concentration in tunnel, because it is lighter than the top layer commonly used to pass through the cigarette layer, consequently can install the monitoring facilities of other aspects to unified connection control center makes the monitoring more comprehensive.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;

FIG. 3 is a schematic view of the front cross-sectional structure of the present invention;

FIG. 4 is an enlarged view of the structure at B in FIG. 3;

fig. 5 is a schematic front structural view of the middle fixing mechanism of the present invention.

In the figure: 1. a smoke permeable device; 101. a smoke permeable layer; 102. hanging a buckle; 2. a fixing mechanism; 201. a boom; 202. a first nut; 203. a mounting seat; 204. a second nut; 205. an expansion bolt; 206. a protection plate; 3. a flow guide mechanism; 301. closing the plate; 302. a flange; 303. a vent; 304. fixing the rod; 305. a fan.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides a monitoring devices for smog concentration in tunnel, including passing through cigarette device 1, it includes and passes through cigarette layer 101 to pass through cigarette device 1, suspension clasp 102, smoke alarm, it sets up in tunnel hunch jade below to pass through cigarette layer 101, it is formed by the otter board pressfitting of multilayer heat-resisting material preparation to pass through the cigarette layer, it is solid and ventilative, so that smog pierces through, suspension clasp 102 fixed connection is in the middle of passing through cigarette layer 101 top, the locating hole has been seted up at suspension clasp 102 top center, smoke alarm fixed connection is in passing through cigarette layer 101 bottom, smoke alarm is provided with two altogether and is located the left side and the right side of passing through cigarette layer 101 bottom respectively, so that monitor the smog concentration in different regions, smoke alarm electric connection is in the central control system of external control, so that real-time monitoring.

It installs in the hunch jade wall below in the tunnel to pass through cigarette device 1 top and be provided with fixed establishment 2 and pass through fixed establishment 2, fixed establishment 2 includes jib 201, nut one 202, mount pad 203, two 204 nuts, expansion bolts 205 and protection shield 206, peg graft in the locating hole at suspension buckle 102 top in jib 201 bottom 201, a 202 threaded connection of nut is in jib 201 bottom, peg graft in jib 201 top in mount pad 203 bottom, two 204 threaded connection of nut are in jib 201 top and lie in the mount pad 203 inboardly, expansion bolts 205 is provided with four and pegs graft respectively in the four corners of mount pad 203, protection shield 206 cup joints in jib 201 outside.

It is provided with guiding mechanism 3 to pass through cigarette device 1 openly, guiding mechanism 3 includes closed unit and ventilation unit, closed unit fixed mounting is in passing through cigarette layer 101 top openly, closed unit includes shrouding 301 and edge of a wing 302, shrouding 301 sets up and passes through cigarette layer 101 top openly and encircles between the jade, edge of a wing 302 fixed connection is in shrouding 301 back bottom, ventilation unit sets up in closed unit middle part, ventilation unit includes dead lever 304 and fan 305, shrouding 301 middle part has been seted up vent 303, dead lever 304 fixed connection is in shrouding 301 and is located vent 303 inner circle, fan 305 passes through dead lever 304 fixed connection in vent 303 inner circle, it is 1 to pass through cigarette device 1, fixed mechanism 2 and guiding mechanism 3 are the concatenation unit, can carry out repeated concatenation according to tunnel length, thereby top forms the flue in the tunnel, be convenient for discharge fume, this device can monitor the smog concentration in the tunnel, conveniently to the monitoring in the tunnel, discover hidden danger in advance, in time the reply, and the flue that forms helps the discharge of smog.

In the actual operation process, when the device is used, the mounting seat 203 is fixed on the arch wall of a tunnel through the expansion bolts 205, the smoke permeable layer 101 is installed at the bottom of the mounting seat 203 through the hanging rods 201 and is fastened through the first nuts 202 and the second nuts 204, finally the protective plate 206 is used for enclosing and fixing, the smoke permeable layer 101 is spliced along the arch wall of the tunnel and is fixed on the arch wall through the fixing mechanism 2, so that a top layer flue is formed, the two ends of the flue are sealed through the sealing plates 301 after extending to a tunnel opening, the two ends of the flue are installed and fixed on the top of the smoke permeable layer 101 through the flanges 302, and when the device is in operation, the fans 305 at the two ends of the flue can drive airflow, so that smoke in the flue is discharged.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. The term "comprising", without further limitation, means that the element so defined is not excluded from the group consisting of additional identical elements in the process, method, article, or apparatus that comprises the element.

Claims

1. A monitoring devices for smoke concentration in tunnel, including passing through cigarette device (1), its characterized in that: the top of the smoke permeable device (1) is provided with a fixing mechanism (2) and is arranged below an arch wall of the tunnel through the fixing mechanism (2), and the front of the smoke permeable device (1) is provided with a flow guide mechanism (3);

it includes through cigarette layer (101), suspension clasp (102), smoke alarm to pass through cigarette device (1), it sets up in tunnel arch jade or jade wall below to pass through cigarette layer (101), suspension clasp (102) fixed connection is in the middle of passing through cigarette layer (101) top, the locating hole has been seted up at suspension clasp (102) top center, smoke alarm fixed connection is in passing through cigarette layer (101) bottom.

2. A monitoring device for smoke concentration in a tunnel according to claim 1, wherein: the fixing mechanism (2) comprises a hanging rod (201), a first nut (202), a mounting seat (203), a second nut (204), an expansion bolt (205) and a protection plate (206), wherein the bottom of the hanging rod (201) is inserted into a positioning hole in the top of the suspension buckle (102), the first nut (202) is in threaded connection with the bottom end of the hanging rod (201), the bottom of the mounting seat (203) is inserted into the top of the hanging rod (201), the second nut (204) is in threaded connection with the top end of the hanging rod (201) and is located on the inner side of the mounting seat (203), the expansion bolt (205) is provided with four bolts which are respectively inserted into four corners of the mounting seat (203), and the protection plate (206) is sleeved outside the hanging rod (201).

3. A monitoring device for smoke concentration in a tunnel according to claim 2, wherein: the diversion mechanism (3) comprises a closed unit and a ventilation unit, the closed unit is fixedly installed on the front side of the top of the smoke permeable layer (101), and the ventilation unit is arranged in the middle of the closed unit.

4. A monitoring device for smoke concentration in a tunnel according to claim 3, wherein: the sealing unit comprises a sealing plate (301) and flanges (302), the sealing plate (301) is arranged between the top front face of the smoke permeable layer (101) and the arch wall, and the flanges (302) are fixedly connected to the bottom of the back face of the sealing plate (301).

5. A monitoring device for smoke concentration in a tunnel according to claim 4, wherein: the ventilation unit comprises a fixing rod (304) and a fan (305), a ventilation opening (303) is formed in the middle of the sealing plate (301), the fixing rod (304) is fixedly connected to the sealing plate (301) and located in an inner ring of the ventilation opening (303), and the fan (305) is fixedly connected to an inner ring of the ventilation opening (303) through the fixing rod (304).

6. A monitoring device for smoke concentration in a tunnel according to claim 1, wherein: the smoke alarm is provided with two smoke alarms and is respectively positioned on the left side and the right side of the bottom of the smoke permeable layer (101).

7. A monitoring device for smoke concentration in a tunnel according to claim 5, wherein: the smoke permeable device (1), the fixing mechanism (2) and the flow guide mechanism (3) are all spliced units.

8. A monitoring device for smoke concentration in a tunnel according to claim 1, wherein: the smoke alarm is electrically connected to a control system in the external control center.