CN215722109U

CN215722109U - Pose-adjustable portable multispectral fire video image acquisition device

Info

Publication number: CN215722109U
Application number: CN202121978011.9U
Authority: CN
Inventors: 钟晨; 田智嘉
Original assignee: Shenyang Fire Research Institute of MEM
Current assignee: Shenyang Fire Research Institute of MEM
Priority date: 2021-08-23
Filing date: 2021-08-23
Publication date: 2022-02-01
Anticipated expiration: 2031-08-23

Abstract

The utility model relates to the technical field of fire video image acquisition, in particular to a portable multispectral fire video image acquisition device with adjustable pose, which comprises a frame body, an installation platform, a high-definition camera, a thermal infrared imager, a non-light-supplementing thermal imaging network camera and a light-supplementing thermal imaging network camera; the high-definition camera, the thermal infrared imager, the non-light-supplementing type thermal imaging network camera and the light-supplementing type thermal imaging network camera can be detachably arranged on the mounting platform, and the mounting platform is arranged above the frame body; synchronous adjustment of the roll angle and the pitch angle of the high-definition camera, the thermal infrared imager, the non-light-supplementing thermal imaging network camera and the light-supplementing thermal imaging network camera is realized through the mounting platform; the height adjustment of the mounting platform is realized through the frame body. The device can realize the integrated installation of a plurality of video image acquisition devices, and the synchronous regulation and feedback of the poses such as height, pitch angle, roll angle and the like, and can meet the requirements of scene fire video image data acquisition.

Description

Pose-adjustable portable multispectral fire video image acquisition device

Technical Field

The utility model relates to the technical field of fire video image acquisition, in particular to a portable multispectral fire video image acquisition device with an adjustable pose.

Background

In the technical field of video image fire detection and identification, algorithm research needs to be carried out based on fire video image data in various typical scenes. Therefore, the construction of a video image database of a fire scene is of great significance to research in the related field.

In the construction of a video image database, in order to obtain more real and comprehensive fire image characteristics, a multispectral video image acquisition scheme is required to be adopted, and various cameras of different types and different wave bands such as visible light, thermal imaging, infrared light supplement and the like are used for synchronous acquisition.

Most of the existing video image acquisition equipment adopts a single camera device, multispectral contrast data acquisition required by construction of a fire video image database is difficult to meet, the acquisition equipment often does not have pose adjustment and pose feedback capabilities after erection and installation, is inconvenient for alignment and relative pose data recording of different fire starting point positions, and is inconvenient for movement, carrying, installation and other aspects of the equipment.

SUMMERY OF THE UTILITY MODEL

In view of the defects and shortcomings of the prior art and the fact that the requirements of on-site fire video image data acquisition in the research process cannot be met, the utility model provides the portable multispectral fire video image acquisition device with the adjustable pose.

In order to achieve the purpose, the utility model adopts the main technical scheme that:

the utility model provides a pose-adjustable portable multispectral fire video image acquisition device which comprises a frame body, an installation platform, a high-definition camera, a thermal infrared imager, a non-light-supplementing thermal imaging network camera and a light-supplementing thermal imaging network camera; the high-definition camera, the thermal infrared imager, the non-light-supplementing type thermal imaging network camera and the light-supplementing type thermal imaging network camera can be detachably arranged on the mounting platform, and the mounting platform is arranged above the frame body; synchronous adjustment of the roll angle and the pitch angle of the high-definition camera, the thermal infrared imager, the non-light-supplementing thermal imaging network camera and the light-supplementing thermal imaging network camera is realized through the mounting platform; the height adjustment of the mounting platform is realized through the frame body.

Further, the support body includes altitude mixture control telescopic link and angle modulation footing, and the top and the mounting platform of altitude mixture control telescopic link are connected, and the bottom and the angle modulation footing of altitude mixture control telescopic link are connected.

Furthermore, the height adjusting telescopic rod comprises a plurality of sections of first rod bodies which are nested with each other, and two adjacent sections of the first rod bodies are fixed through locking parts.

Further, the angle adjustment footing includes many connecting rods, and the upper end and the altitude mixture control telescopic link of connecting rod are articulated, the lower extreme and the ground contact of connecting rod.

Furthermore, a clamping piece is arranged at one end of the connecting rod, which is hinged with the height adjusting telescopic rod, and the clamping piece moves up and down relative to the connecting rod; one end of the clamping piece is clamped with the hinged position of the height adjusting telescopic rod and the connecting rod, or one end of the clamping piece is not in contact with the hinged position of the height adjusting telescopic rod and the connecting rod.

Furthermore, the connecting rod comprises a plurality of sections of second rod bodies which are nested with each other, and two adjacent sections of second rod bodies are fixed through locking parts.

Further, the mounting platform comprises a roll angle adjusting assembly, a pitch angle adjusting assembly and a camera mounting plate, the roll angle adjusting assembly is arranged below the pitch angle adjusting assembly, the lower end of the roll angle adjusting assembly is connected with the upper end of the frame body, and the upper end of the pitch angle adjusting assembly is connected with the camera mounting plate.

Further, the mounting platform comprises a roll angle adjusting assembly, a pitch angle adjusting assembly and a camera mounting plate, the roll angle adjusting assembly is arranged above the pitch angle adjusting assembly, the lower end of the pitch angle adjusting assembly is connected with the upper end of the frame body, and the upper end of the roll angle adjusting assembly is connected with the camera mounting plate.

Further, the roll angle adjusting assembly comprises a first rotating shaft and a cover body sleeved outside the first rotating shaft, the first rotating shaft is connected with the cover body through a first fastening bolt, and scales are arranged on the first rotating shaft along the circumferential direction.

Further, the pitch angle adjusting assembly comprises a supporting seat, two supporting plates arranged on the supporting seat and a rotating plate arranged between the two supporting plates, the upper portion of the supporting plate is connected with the rotating plate through a second rotating shaft, the lower portion of the supporting plate is connected with the rotating plate through a second fastening bolt, and scales are arranged on the supporting plate.

The utility model has the beneficial effects that: the portable multispectral fire video image acquisition device with the adjustable pose has a multispectral fire video image acquisition function, and can be used for storing each part in a portable suitcase after being split, and can be quickly assembled after reaching a specified acquisition place. The device can realize the integrated installation of a plurality of video image acquisition devices, and through the synchronous regulation and feedback of poses such as height, pitch angle, roll angle and the like, the alignment of different fire point positions and the recording of relative pose data are realized, and the requirements of scene fire video image data acquisition can be met.

Drawings

Fig. 1 is a front view of a portable multi-spectral fire video image acquisition device with an adjustable pose.

Fig. 2 is a side view of the portable multi-spectral fire video image acquisition device with an adjustable pose.

Fig. 3 is a cross-sectional view at a in fig. 2 of the present invention.

Fig. 4 is a front view of the mounting platform of the present invention.

Fig. 5 is a side view of the mounting platform of the present invention.

In the figure: 1. a frame body; 11. a height adjusting telescopic rod; 111. a first rod body; 112. a locking member; 12. an angle adjusting foot; 121. a connecting rod; 1211. a second rod body; 122. a clamping piece; 123. an articulation member; 2. mounting a platform; 21. a roll angle adjustment assembly; 211. a first rotating shaft; 212. a cover body; 213. a first fastening bolt; 22. a pitch angle adjusting assembly; 221. a supporting seat; 222. a support plate; 223. a rotating plate; 224. a second rotating shaft; 225. a second fastening bolt; 23. a camera mounting plate; 3. a high-definition camera; 4. a thermal infrared imager; 5. a non-light supplement type thermal imaging network camera; 6. fill-up type thermal imaging network camera.

Detailed Description

For the purpose of better explaining the present invention and to facilitate understanding, the present invention will be described in detail by way of specific embodiments with reference to the accompanying drawings.

Example 1:

referring to fig. 1 and 2, the utility model provides a portable multispectral fire video image acquisition device with an adjustable pose. The device comprises a frame body 1, a mounting platform 2, a high-definition camera 3, a thermal infrared imager 4, a non-light-supplementing type thermal imaging network camera 5 and a light-supplementing type thermal imaging network camera 6. The high-definition camera 3, the thermal infrared imager 4, the non-light-supplement thermal imaging network camera 5 and the light-supplement thermal imaging network camera 6 are detachably arranged on the mounting platform 2, and the mounting platform 2 is arranged above the frame body 1. Synchronous adjustment of the roll angle and the pitch angle of the high-definition camera 3, the thermal infrared imager 4, the non-light-supplement thermal imaging network camera 5 and the light-supplement thermal imaging network camera 6 is realized through the mounting platform 2; the height adjustment of the mounting platform 2 is realized through the frame body 1.

Specifically, support body 1 includes altitude mixture control telescopic link 11 and angle modulation footing 12, and the top and the mounting platform 2 of altitude mixture control telescopic link 11 are connected, and the bottom and the angle modulation footing 12 of altitude mixture control telescopic link 11 are connected. The arrangement of the height adjusting telescopic rod 11 and the angle adjusting bottom foot 12 can realize that the device is convenient to assemble and carry.

The height adjusting telescopic rod 11 includes a plurality of sections of first rod bodies 111 nested with each other, and two adjacent sections of the first rod bodies 111 are fixed by a locking member 112. The locking member 112 may be a locking bolt or a locking nut. Specifically, in the present embodiment, there are four sections of the first rod 111, and the diameter of the first rod 111 gradually decreases from bottom to top, that is, the first rod 111 of the next section is sleeved outside the first rod 111 of the previous section. Except for the uppermost section of the first rod body 111, a bolt hole is formed in the upper portion of each section of the first rod body 111, and a locking bolt penetrates through the bolt hole and abuts against the inner section of the first rod body 111, so that the two sections of the first rod bodies 111 are fixed. When the locking bolt is loosened, the height of the first rod body 111 can be adjusted, and after the height is adjusted, the locking bolt is screwed down to fix the two sections of the first rod body 111.

Wherein the angle adjustment foot 12 comprises a plurality of connecting rods 121. The upper end of the connecting rod 121 is hinged to the height adjusting telescopic rod 11 through a hinge 123, and the lower end of the connecting rod 121 is in contact with the ground. The connecting rod 121 includes a plurality of sections of second rod 1211 nested into each other, and two adjacent sections of second rod 1211 are fixed by a locking member 112, and the locking member 112 may be a locking bolt or a locking nut. Connecting rod 121 and the articulated one end of height adjustment telescopic link 11 are provided with joint 122, and joint 122 can reciprocate for connecting rod 121. Specifically, referring to fig. 3, a through hole for installing the clamping member 122 is opened at the upper portion of the connecting rod 121, a spring abutting against the clamping member 122 is arranged in the through hole, and the clamping member 122 can move relative to the connecting rod 121 under the action of an external force under the action of the spring. The hinge member 123 is provided with a protrusion below the hinge point, and the protrusion may be zigzag or square for being clamped with the clamping member 122. When joint 122 is under the effect of spring, when being in not receiving external force effect state, connecting rod 121 rotates certain angle for height adjustment telescopic link 11 after, the protruding joint on one end of joint 122 and the articulated elements 123 to make connecting rod 121 small-angle rotate. When the clip 122 moves downward along the through hole of the connecting rod 121 under the action of external force, one end of the clip 122 is not in contact with the hinge 123, so that the connecting rod 121 can rotate at a large angle. The number of the connecting rods 121 is three, so that the whole device can be more stable. The present invention adjusts the general inclination angle of the entire apparatus by adjusting the rotation angle of each connecting rod 121.

Specifically, referring to fig. 4 and 5, the mounting platform 2 includes a roll angle adjustment assembly 21, a pitch angle adjustment assembly 22, and a camera mounting plate 23. Wherein, roll angle adjusting assembly 21 is fixed to be set up in the below of pitch angle adjusting assembly 22, and the lower extreme of roll angle adjusting assembly 21 and the upper end fixed connection of support body 1, the upper end and the camera mounting panel 23 fixed connection of pitch angle adjusting assembly 22. The high-definition camera 3, the thermal infrared imager 4, the non-light-supplement thermal imaging network camera 5 and the light-supplement thermal imaging network camera 6 are detachably arranged above the camera mounting plate 23, so that the device is convenient to mount and dismount and convenient to carry. The camera mounting plate 23 is an L-shaped plate, and can more stably fix the high-definition camera 3, the thermal infrared imager 4, the non-light supplement type thermal imaging network camera 5, and the light supplement type thermal imaging network camera 6. The present invention adjusts the precise tilt angle of the entire device by adjusting the angle of rotation of the pitch angle adjustment assembly 22.

The roll angle adjusting assembly 21 includes a first rotating shaft 211 and a cover 212 covering the first rotating shaft 211. The lower end of the first rotating shaft 211 is fixed to the upper end of the height adjusting telescopic rod 11 of the frame body 1, and the upper end of the first rotating shaft 211 is connected to the cover body 212 through a first fastening bolt 213. Scales are arranged on the first rotating shaft 211 along the circumferential direction, and arrow marks for indicating the scales are arranged on the cover body 212, so that the rolling angle of the rotation of the camera can be observed conveniently. The top of the cover 212 is fixedly connected to the pitch angle adjusting assembly 22, a bolt hole is formed in the side of the cover 212, and a first fastening bolt 213 passes through the bolt hole and abuts against the first rotating shaft 211, so as to fix the first rotating shaft 211 and the cover 212.

The pitch angle adjusting assembly 22 includes a support base 221, two support plates 222 disposed on the support base 221, and a rotating plate 223 disposed between the two support plates 222. The bottom surface of the supporting seat 221 is fixed to the cover 212 of the roll angle adjusting unit 21, and two supporting plates 222 are disposed on two sides of the top surface of the supporting seat 221. The upper portion of the support plate 222 is connected to the pivoting plate 223 by a second pivoting shaft 224 so that the pivoting plate 223 is pivotable with respect to the support plate 222. The lower portion of the support plate 222 is coupled with the rotating plate 223 by a second fastening bolt 225 to fix the support plate 222 and the rotating plate 223. The support plate 222 is provided with a scale, and the rotating plate 223 is provided with an arrow mark for indicating the scale, so as to observe the tilt angle of the camera rotation. Specifically, the upper portion of the rotating plate 223 is a circular ring structure, a semicircular arm concentric with the circular ring structure is arranged outside the circular ring structure, a semicircular hollowed-out slideway is formed between the semicircular arm and the circular ring structure, and a second fastening bolt 225 is arranged in the hollowed-out slideway, so that the rotating plate 223 can rotate relative to the supporting plate 222.

Specifically, the high-definition camera 3 and the thermal infrared imager 4 store video image data in an internal memory card. The non-supplementary lighting type thermal imaging network camera 5 and the supplementary lighting type thermal imaging network camera 6 upload video image data to the video image acquisition software through a data line and an exchanger. The power supplies of the non-supplementary lighting thermal imaging network camera 5 and the supplementary lighting thermal imaging network camera 6 are supplied with direct current DC24V, and data are transmitted by a network cable.

Example 2:

the mounting platform 2 of the present invention includes a roll angle adjustment assembly 21, a pitch angle adjustment assembly 22, and a camera mounting plate 23. The roll angle adjusting assembly 21 is fixedly arranged above the pitch angle adjusting assembly 22, the lower end of the pitch angle adjusting assembly 22 is fixedly connected with the upper end of the frame body 1, the upper end of the roll angle adjusting assembly 21 is fixedly connected with the camera mounting plate 23, and the high-definition video camera 3, the thermal infrared imager 4, the non-light-supplement thermal imaging network video camera 5 and the light-supplement thermal imaging network video camera 6 are arranged above the camera mounting plate 23. The other structure is the same as that of embodiment 1.

Claims

1. A portable multispectral fire video image acquisition device with an adjustable pose is characterized by comprising a frame body (1), an installation platform (2), a high-definition camera (3), a thermal infrared imager (4), a non-light-supplementing thermal imaging network camera (5) and a light-supplementing thermal imaging network camera (6); the high-definition camera (3), the thermal infrared imager (4), the non-light-supplement thermal imaging network camera (5) and the light-supplement thermal imaging network camera (6) are detachably arranged on the mounting platform (2), and the mounting platform (2) is arranged above the frame body (1); synchronous adjustment of the roll angle and the pitch angle of the high-definition camera (3), the thermal infrared imager (4), the non-light-supplementing type thermal imaging network camera (5) and the light-supplementing type thermal imaging network camera (6) is achieved through the mounting platform (2); the height of the mounting platform (2) is adjusted through the frame body (1).

2. The pose-adjustable portable multispectral fire video image acquisition device according to claim 1, wherein the frame body (1) comprises a height adjusting telescopic rod (11) and an angle adjusting footing (12), the top end of the height adjusting telescopic rod (11) is connected with the mounting platform (2), and the bottom end of the height adjusting telescopic rod (11) is connected with the angle adjusting footing (12).

3. The pose-adjustable portable multispectral fire video image acquisition device according to claim 2, wherein the height adjusting telescopic rod (11) comprises a plurality of sections of first rod bodies (111) which are nested with each other, and two adjacent sections of the first rod bodies (111) are fixed through locking pieces (112).

4. The pose-adjustable portable multispectral fire video image acquisition device according to claim 2, wherein the angle adjusting footing (12) comprises a plurality of connecting rods (121), the upper ends of the connecting rods (121) are hinged to the height adjusting telescopic rods (11), and the lower ends of the connecting rods (121) are in contact with the ground.

5. The pose-adjustable portable multispectral fire video image acquisition device according to claim 4, wherein a clamping piece (122) is arranged at one end, hinged to the height adjusting telescopic rod (11), of the connecting rod (121), and the clamping piece (122) moves up and down relative to the connecting rod (121); one end of the clamping piece (122) is clamped with the hinged part of the height adjusting telescopic rod (11) and the connecting rod (121), or one end of the clamping piece (122) is not in contact with the hinged part of the height adjusting telescopic rod (11) and the connecting rod (121).

6. The pose-adjustable portable multispectral fire video image acquisition device according to claim 4, wherein the connecting rod (121) comprises a plurality of sections of second rod bodies (1211) which are nested with each other, and two adjacent sections of second rod bodies (1211) are fixed through a locking piece (112).

7. The pose-adjustable portable multispectral fire video image acquisition device according to claim 1, wherein the mounting platform (2) comprises a roll angle adjusting assembly (21), a pitch angle adjusting assembly (22) and a camera mounting plate (23), the roll angle adjusting assembly (21) is arranged below the pitch angle adjusting assembly (22), the lower end of the roll angle adjusting assembly (21) is connected with the upper end of the frame body (1), and the upper end of the pitch angle adjusting assembly (22) is connected with the camera mounting plate (23).

8. The pose-adjustable portable multispectral fire video image acquisition device according to claim 1, wherein the mounting platform (2) comprises a roll angle adjusting assembly (21), a pitch angle adjusting assembly (22) and a camera mounting plate (23), the roll angle adjusting assembly (21) is arranged above the pitch angle adjusting assembly (22), the lower end of the pitch angle adjusting assembly (22) is connected with the upper end of the frame body (1), and the upper end of the roll angle adjusting assembly (21) is connected with the camera mounting plate (23).

9. The pose-adjustable portable multispectral fire video image acquisition device according to claim 7 or 8, wherein the roll angle adjusting assembly (21) comprises a first rotating shaft (211) and a cover body (212) sleeved outside the first rotating shaft (211), the first rotating shaft (211) is connected with the cover body (212) through a first fastening bolt (213), and scales are arranged on the first rotating shaft (211) along the circumferential direction.

10. The pose-adjustable portable multispectral fire video image acquisition device according to claim 7 or 8, wherein the pitch angle adjusting assembly (22) comprises a supporting seat (221), two supporting plates (222) arranged on the supporting seat (221), and a rotating plate (223) located between the two supporting plates (222), the upper portion of each supporting plate (222) is connected with the corresponding rotating plate (223) through a second rotating shaft (224), the lower portion of each supporting plate (222) is connected with the corresponding rotating plate (223) through a second fastening bolt (225), and scales are arranged on the corresponding supporting plates (222).