CN219842073U - Thermal imaging fire detection system - Google Patents

Abstract

The utility model discloses a thermal imaging fire detection system, which comprises a plurality of fire detection mechanisms arranged at two sides of a tunnel; the fire detection mechanism comprises a fixed sleeve, a lifting plate, an arc-shaped plate, a thermal imager, a lifting block, a T-shaped rod and a T-shaped sliding block; the fixed sleeve is provided with a through groove, and the lifting plate is in sliding connection with the fixed sleeve; the arc-shaped plate is detachably connected with the lifting plate, and the top end of the arc-shaped plate is connected with a thermal imager; the lifting block is fixedly connected with the lifting plate and is in sliding connection with the through groove; the lifting block is provided with a T-shaped chute, and the T-shaped sliding block is in sliding connection with the T-shaped chute; the bottom end of the T-shaped rod is fixedly connected with the T-shaped sliding block; a plurality of clamping grooves are formed in two sides of the through groove, and the T-shaped rod is clamped with the clamping grooves; the clamping groove is outwards provided with clamping holes, and a locking bolt is connected in one of the clamping holes in a threaded manner. According to the utility model, the thermal imaging instrument can be lifted to the height position to be installed without the need of climbing operation by a worker, so that the time and the physical strength are saved, and the potential safety hazard in operation is reduced.

Description

Thermal imaging fire detection system

Technical Field

The utility model relates to the technical field of fire detection, in particular to a thermal imaging fire detection system.

Background

The thermal imaging technology refers to that an infrared detector and an optical imaging objective lens are utilized to receive infrared radiation energy distribution patterns of a detected target and reflect the infrared radiation energy distribution patterns onto a photosensitive element of the infrared detector, so that an infrared thermal image is obtained, and the thermal image corresponds to a thermal distribution field of the surface of an object. Thermal infrared imagers are colloquially known as thermal images that convert invisible infrared energy emitted by an object into visible heat. Different colors on the thermal image represent different temperatures of the object under test.

The existing highway tunnel is partially subjected to fire detection and prevention by adopting a thermal imaging technology, and when the fire detection system in the existing tunnel is installed, a plurality of thermal imagers are generally fixedly installed on the side wall of the top of the tunnel, and due to the fact that the installation position is higher, workers need to ascend a height during installation and maintenance, time and labor are wasted, and large potential safety hazards exist.

Disclosure of Invention

According to the thermal imaging fire detection system, the technical problems that when the fire detection system is installed in a tunnel in the prior art, workers are required to ascend, a plurality of thermal imagers can be fixedly installed on the side wall of the top of the tunnel, time and labor are wasted, and a large potential safety hazard exists are solved, the thermal imagers can be lifted to the position where the thermal imagers are required to be installed without the need of the workers to ascend, time and physical strength are saved, and the potential safety hazard in operation is reduced.

The utility model provides a thermal imaging fire detection system, which comprises a plurality of fire detection mechanisms arranged at two sides of a tunnel; the fire detection mechanism comprises a fixed sleeve, a lifting plate, an arc-shaped plate, a thermal imager, a lifting block, a T-shaped rod and a T-shaped sliding block; the fixed sleeve is provided with a through groove along the length direction of the fixed sleeve, and the lifting plate is positioned in the fixed sleeve and is in sliding connection with the inner side of the fixed sleeve; the bottom end of the arc-shaped plate is detachably connected with the top end of the lifting plate, and the top end of the arc-shaped plate is fixedly connected with the thermal imager; one end of the lifting block is inserted into the through groove and fixedly connected with the lifting plate, and the lifting block is in sliding connection with the through groove; the lifting block is provided with a T-shaped chute along the length direction of the lifting block, and the T-shaped sliding block is positioned in the T-shaped chute and is in sliding connection with the T-shaped chute; the bottom end of the T-shaped rod is fixedly connected with the top surface of the T-shaped sliding block; a plurality of clamping grooves are formed in two sides of the through groove at intervals along the length direction of the through groove, and the T-shaped rod can be clamped with two clamping grooves; each clamping groove is outwards provided with a clamping hole, and one clamping hole is internally and spirally connected with a locking bolt.

In one possible implementation manner, the top end of the lifting plate is fixedly connected with a connecting block, the bottom end of the arc plate is provided with a groove, the connecting block is inserted into the groove, the connecting block and the groove are respectively communicated with a first connecting hole and a second connecting hole, and the first connecting hole and the second connecting hole are internally and spirally connected with a connecting bolt.

In one possible implementation, the thermal imaging fire detection system provided by the utility model further comprises a controller and an alarm; the controller and the alarm are arranged at the top of the tunnel; the controller and the alarm are electrically connected with the thermal imagers.

In one possible implementation, the arc surface radian of the arc-shaped plate is the same as the arc surface radian of the tunnel top side wall.

In one possible implementation manner, the bottom end of the fixing sleeve is fixedly connected with a supporting seat.

One or more technical schemes provided by the utility model have at least the following technical effects or advantages:

the utility model adopts a plurality of fire detection mechanisms arranged on two sides of a tunnel, wherein the fire detection mechanisms comprise a fixed sleeve, a lifting plate, an arc-shaped plate, a thermal imager, a lifting block, a T-shaped rod and a T-shaped sliding block; when the thermal imaging device is installed in a tunnel, the thermal imaging device is fixedly installed at the top end of the arc plate, the bottom end of the arc plate and the top end of the lifting plate are connected and fixed into a whole, then the fixing sleeve is integrally erected on the ground and is attached and fixed to the side wall of the tunnel, then the T-shaped rod is lifted upwards, the lifting block can be driven to move upwards through the T-shaped rod and the T-shaped sliding block, the lifting plate and the arc plate are driven to move upwards, the thermal imaging device at the top end of the arc plate is lifted to a required height position according to the height of the tunnel, then the lifting block is supported, the T-shaped rod is moved towards the direction of the fixing sleeve, namely the T-shaped rod and the T-shaped sliding block slide in the T-shaped sliding groove, finally the T-shaped rod enters into a clamping groove at the corresponding height, the lifting block can be integrally overlapped in the clamping groove through the T-shaped rod and the T-shaped sliding block, the lifting plate and the whole can be limited in the vertical direction, and finally the T-shaped rod is screwed into the clamping groove clamped by the locking bolt, so that the T-shaped rod is limited in the horizontal direction, and the T-shaped rod is prevented from falling from the clamping groove; when the thermal imaging instrument is required to be maintained in the later period, the locking bolt is loosened firstly, then the T-shaped rod slides out of the clamping groove, the lifting plate is supported and slowly lowered, the lifting plate and the arc plate are integrally lowered, after the lifting plate is lowered to the lowest position, the bottom end of the arc plate and the top end of the lifting plate are disassembled, the arc plate and the thermal imaging instrument are integrally taken down, and the thermal imaging instrument is convenient to maintain;

when effectively having solved among the prior art when installing fire detection system in the tunnel, need the staff to carry out the operation of ascending a height, just can with a plurality of thermal imaging instruments fixed mounting on the lateral wall at tunnel top, not only waste time and energy, there is great potential safety hazard's technical problem moreover, realized not needing the staff to carry out the operation of ascending a height, just can rise the thermal imaging instrument to the high position that needs to install, saved time and physical power, reduced the potential safety hazard when the operation.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the embodiments of the present utility model or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is an isometric view of a thermal imaging fire detection system according to an embodiment of the present utility model, when a fire detection mechanism is not yet lifted;

FIG. 2 is an enlarged view of a portion of area A of FIG. 1;

FIG. 3 is an isometric view of a fire detection mechanism according to an embodiment of the present utility model, in which a lifting block is lifted to a certain height and a T-shaped rod is clamped in a clamping groove;

FIG. 4 is an enlarged view of a portion of region B of FIG. 3;

FIG. 5 is an isometric view of a T-bar, T-block and lifting block prior to assembly in accordance with an embodiment of the present utility model;

FIG. 6 is an isometric view of a lifting plate and an arcuate plate prior to connection according to an embodiment of the present utility model;

FIG. 7 is an isometric view of the fire detection mechanism of FIG. 1 after lifting;

fig. 8 is a front view of fig. 7.

Reference numerals: 1-tunneling; 2-a fire detection mechanism; 21-fixing sleeve; 22-lifting plates; 23-arc plates; 24-thermal imaging; 25-lifting blocks; a 26-T shaped bar; a 27-T shaped slider; 3-through grooves; 4-T-shaped sliding grooves; 5-clamping grooves; 6-clamping holes; 7-locking a bolt; 8-connecting blocks; 81-a first connection hole; 9-grooves; 91-a second connection hole; 10-connecting bolts; 11-a controller; 12-an alarm; 13-a supporting seat.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the embodiments of the present utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the embodiments of the present utility model and simplify description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. The terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Furthermore, the terms "mounted," "connected," "coupled," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the embodiments of the present utility model will be understood by those of ordinary skill in the art according to specific circumstances.

Referring to fig. 1 to 8, a thermal imaging fire detection system according to an embodiment of the present utility model includes a plurality of fire detection mechanisms 2 disposed at both sides of a tunnel 1; the fire detection mechanism 2 comprises a fixed sleeve 21, a lifting plate 22, an arc-shaped plate 23, a thermal imager 24, a lifting block 25, a T-shaped rod 26 and a T-shaped sliding block 27; the fixed sleeve 21 is provided with a through groove 3 along the length direction thereof, and the lifting plate 22 is positioned in the fixed sleeve 21 and is in sliding connection with the inner side of the fixed sleeve 21; the bottom end of the arc-shaped plate 23 is detachably connected with the top end of the lifting plate 22, and the top end of the arc-shaped plate 23 is fixedly connected with a thermal imager 24; one end of the lifting block 25 is inserted into the through groove 3 and fixedly connected with the lifting plate 22, and the lifting block 25 is in sliding connection with the through groove 3; the lifting block 25 is provided with a T-shaped chute 4 along the length direction of the lifting block, and a T-shaped sliding block 27 is arranged in the T-shaped chute 4 and is in sliding connection with the T-shaped chute 4; the bottom end of the T-shaped rod 26 is fixedly connected with the top surface of the T-shaped sliding block 27; a plurality of clamping grooves 5 are formed on two sides of the through groove 3 at intervals along the length direction of the through groove, and the T-shaped rod 26 can be clamped with two clamping grooves 5; each clamping groove 5 is provided with a clamping hole 6 outwards, and one clamping hole 6 is internally and spirally connected with a locking bolt 7. In the embodiment of the utility model, the length of the lifting plate 22 is not smaller than the length of the fixed sleeve 21, the length of the fixed sleeve 21 is smaller than the height of the side wall of the tunnel 1, and the length dimensions of the fixed sleeve 21, the lifting plate 22 and the arc plate 23 are required to be reasonably selected according to the actual condition of the tunnel 1; in actual installation, firstly, the arc plate 23 and the lifting plate 22 are connected into a whole on the ground, meanwhile, the thermal imager 24 is fixedly installed at the end part of the arc plate 23, which is far away from the lifting plate 22, then the arc plate 23 and the lifting plate 22 are integrally inserted into the fixed sleeve 21, so that the arc plate 23 and the thermal imager 24 face upwards, then, the fixed sleeve 21 is integrally erected on the ground and is adhered and fixed on the side wall of the tunnel 1, afterwards, the T-shaped rod 26 is lifted upwards, the lifting block 25 is driven by the T-shaped rod 26 and the T-shaped sliding block 27 to lift upwards along the through groove 3, the lifting plate 22 and the arc plate 23 are driven by the lifting block 25 to integrally lift the thermal imager 24 at the top end of the arc plate 23 to a required height position according to the height of the tunnel 1 (generally, the cambered surface of the arc plate 23 is lifted to be stopped when being adhered with the cambered surface of the top side wall of the tunnel 1), then, the lifting block 25 is supported firstly, the T-shaped rod 26 is pushed towards the direction of the fixed sleeve 21, namely, the T-shaped rod 26 and the T-shaped sliding block 27 slide in the T-shaped sliding groove 4, finally, the T-shaped rod 26 enters the clamping groove 5 at the corresponding height, the lifting block 25 can be integrally lapped in the clamping groove 5 through the T-shaped rod 26 and the T-shaped sliding block 27, so that the lifting plate 22 and the arc plate 23 can be integrally limited in the vertical direction, finally, the locking bolt 7 is screwed into the clamping groove 5 clamped by the T-shaped rod 26, the limit of the T-shaped rod 26 in the horizontal direction is realized, the T-shaped rod 26 is prevented from sliding from the clamping groove 5, at the moment, the thermal imager 24 is installed at the required height position, then, other thermal imagers 24 are installed along the two sides of the tunnel 1 by the same method, after all the thermal imagers 24 are installed, the condition inside the tunnel 1 can be detected in real time by the thermal imager 24; when the thermal imager 24 needs to be maintained in the later period, the locking bolt 7 is loosened firstly, then the T-shaped rod 26 slides out of the clamping groove 5, then the lifting plate is supported and slowly lowered, the lifting plate 22 and the arc plate 23 can be integrally lowered, after the lifting plate is lowered to the lowest position, the bottom end of the arc plate 23 and the top end of the lifting plate 22 are detached, the arc plate 23 and the thermal imager 24 can be integrally taken down, and the thermal imager 24 is convenient to maintain.

Referring to fig. 6, a connecting block 8 is fixedly connected to the top end of the lifting plate 22, a groove 9 is formed in the bottom end of the arc plate 23, the connecting block 8 is inserted into the groove 9, a first connecting hole 81 and a second connecting hole 91 are respectively formed in the connecting block 8 and the groove 9 in a penetrating manner, and a connecting bolt 10 is connected to the first connecting hole 81 and the second connecting hole 91 in a threaded manner. In the embodiment of the utility model, the connecting block 8 and the groove 9 are specifically arranged, the lifting plate 22 and the arc plate 23 can be spliced together through the splicing fit of the connecting block 8 and the groove 9, and then the lifting plate 22 and the arc plate 23 can be fixedly connected into a whole through the arranged first connecting hole 81, the second connecting hole 91 and the connecting bolt 10, so that the lifting plate 22 and the arc plate 23 are convenient to fix and detach.

Referring to fig. 8, a thermal imaging fire detection system according to an embodiment of the present utility model further includes a controller 11 and an alarm 12; the controller 11 and the alarm 12 are arranged at the top of the tunnel 1; the controller 11 and the alarm 12 are electrically connected to a plurality of thermal imagers 24. In the embodiment of the utility model, the controller 11 and the alarm 12 are specifically required to be arranged, the image data detected by the thermal imager 24 is judged and processed by the controller 11, when the open fire image data appears, the controller 11 can signal the alarm 12, so that the alarm 12 gives out an alarm action, and specifically, the alarm 12 can select the audible and visual alarm 12, so that the personnel in the tunnel 1 can be notified in time.

Referring to fig. 1, 7 and 8, the arc 23 has the same arc as the arc of the top side wall of the tunnel 1. In the embodiment of the utility model, the arc surface radian of the arc-shaped plate 23 is specifically the same as the arc surface radian of the side wall of the top of the tunnel 1, so that the arc-shaped plate 23 can be attached to the arc surface of the side wall of the top of the tunnel 1 when lifted to the highest position, the installation space can be saved, and the stability of the arc-shaped plate 23 after installation can be further improved.

Referring to fig. 2 and 3, a support base 13 is fixedly connected to the bottom end of the fixing sleeve 21. In the embodiment of the utility model, the support seat 13 is further arranged, so that the stability of the fixed sleeve 21 after being installed can be further improved.

The working principle of the thermal imaging fire detection system provided by the embodiment of the utility model is as follows:

in actual installation, firstly, the groove 9 at the bottom end of the arc plate 23 is spliced with the connecting block 8 at the top end of the lifting plate 22 on the ground and is connected into a whole through the connecting bolt 10, meanwhile, the thermal imager 24 is fixedly installed at the top end of the arc plate 23, then the arc plate 23 and the lifting plate 22 are integrally inserted into the fixed sleeve 21, so that the arc plate 23 and the thermal imager 24 face upwards, then the fixed sleeve 21 is integrally erected on the ground and is fixedly attached to the side wall of the tunnel 1, afterwards, the T-shaped rod 26 is lifted upwards, the lifting block 25 is driven by the T-shaped rod 26 and the T-shaped sliding block 27 to lift upwards along the through groove 3, then the lifting plate 22 and the arc plate 23 are driven by the lifting block 25 to integrally move upwards, the cambered surface of the arc plate 23 is lifted to be attached to the cambered surface of the side wall at the top of the tunnel 1, then, the lifting block 25 is firstly supported, meanwhile, the T-shaped rod 26 is pushed towards the direction of the fixed sleeve 21, the T-shaped rod 26 and the T-shaped sliding block 27 slide in the T-shaped sliding groove 4, so that the T-shaped rod 26 finally enters the clamping groove 5 at the corresponding height, the lifting block 25 can be integrally overlapped in the clamping groove 5 through the T-shaped rod 26 and the T-shaped sliding block 27, so that the lifting plate 22 and the arc plate 23 can be integrally limited in the vertical direction, finally the locking bolt 7 is screwed into the clamping groove 5 clamped by the T-shaped rod 26, the limit on the T-shaped rod 26 in the horizontal direction is realized, the T-shaped rod 26 is prevented from sliding off from the clamping groove 5, at the moment, the thermal imager 24 is installed at the position of the required height, then, other thermal imagers 24 are installed along the two sides of the tunnel 1 by the same method, and after all the thermal imagers 24 are installed, the condition inside the tunnel 1 can be detected in real time through the thermal imager 24; when the thermal imager 24 needs to be maintained in the later period, the locking bolt 7 is loosened firstly, then the T-shaped rod 26 slides out of the clamping groove 5, then the lifting plate is supported and slowly lowered, the lifting plate 22 and the arc plate 23 can be integrally lowered, after the lifting plate descends to the lowest position, the connecting bolt 10 between the bottom end of the arc plate 23 and the top end of the lifting plate 22 is detached, and the arc plate 23 and the thermal imager 24 can be integrally taken down, so that the thermal imager 24 is convenient to maintain.

In this specification, each embodiment is described in a progressive manner, and the same or similar parts of each embodiment are referred to each other, and each embodiment is mainly described as a difference from other embodiments.

The above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the present utility model; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced with equivalents; such modifications and substitutions do not depart from the spirit of the utility model.

Claims (5)

1. A thermal imaging fire detection system, characterized by comprising a plurality of fire detection mechanisms (2) arranged at two sides of a tunnel (1);

the fire detection mechanism (2) comprises a fixed sleeve (21), a lifting plate (22), an arc-shaped plate (23), a thermal imager (24), a lifting block (25), a T-shaped rod (26) and a T-shaped sliding block (27);

the fixed sleeve (21) is provided with a through groove (3) along the length direction of the fixed sleeve (21), and the lifting plate (22) is positioned in the fixed sleeve (21) and is in sliding connection with the inner side of the fixed sleeve (21);

the bottom end of the arc-shaped plate (23) is detachably connected with the top end of the lifting plate (22), and the top end of the arc-shaped plate (23) is fixedly connected with the thermal imager (24);

one end of the lifting block (25) is inserted into the through groove (3) and fixedly connected with the lifting plate (22), and the lifting block (25) is in sliding connection with the through groove (3);

the lifting block (25) is provided with a T-shaped chute (4) along the length direction of the lifting block, and the T-shaped sliding block (27) is positioned in the T-shaped chute (4) and is in sliding connection with the T-shaped chute (4);

the bottom end of the T-shaped rod (26) is fixedly connected with the top surface of the T-shaped sliding block (27);

two sides of the through groove (3) are provided with a plurality of clamping grooves (5) at intervals along the length direction of the through groove, and the T-shaped rod (26) can be clamped with two clamping grooves (5) in the T-shaped rod;

each clamping groove (5) is outwards provided with a clamping hole (6), and one clamping hole (6) is internally and spirally connected with a locking bolt (7).

2. The thermal imaging fire detection system according to claim 1, wherein a connecting block (8) is fixedly connected to the top end of the lifting plate (22), a groove (9) is formed in the bottom end of the arc plate (23), the connecting block (8) is inserted into the groove (9), a first connecting hole (81) and a second connecting hole (91) are respectively formed in the connecting block (8) and the groove (9) in a penetrating mode, and a connecting bolt (10) is connected to threads in the first connecting hole (81) and the second connecting hole (91).

3. The thermal imaging fire detection system of claim 1, further comprising a controller (11) and an alarm (12);

the controller (11) and the alarm (12) are arranged at the top of the tunnel (1);

the controller (11) and the alarm (12) are electrically connected with a plurality of thermal imagers (24).

4. The thermal imaging fire detection system according to claim 1, wherein the arc of the arc plate (23) is the same as the arc of the top side wall of the tunnel (1).

5. The thermal imaging fire detection system according to claim 1, wherein the bottom end of the fixing sleeve (21) is fixedly connected with a supporting seat (13).