CN117872665A

CN117872665A - Camera heat protection device for high-temperature-resistant fire-fighting robot

Info

Publication number: CN117872665A
Application number: CN202410185091.4A
Authority: CN
Inventors: 陈海
Original assignee: Individual
Current assignee: Individual
Priority date: 2024-02-19
Filing date: 2024-02-19
Publication date: 2024-04-12

Abstract

The application relates to a high temperature resistant fire control machine people is with camera heat protection device belongs to the field of industrial camera, and it includes first cooling plate and second cooling plate, the face and the lateral wall laminating butt of camera body of first cooling plate, first cooling channel has been seted up in the first cooling plate, be used for circulating the coolant liquid in the first cooling channel, the second cooling channel has been seted up in the second cooling plate, the second cooling channel is used for the gas circulation, the face and the first cooling plate back of the body of second cooling plate are laminated from the face of one side of camera body. The camera body is cooled in a liquid cooling and air cooling mode, so that the camera can keep stable working performance under a high-temperature environment, high-quality image acquisition and analysis are provided, and the camera body has the advantages of being simple in structure, low in cost, high in protection level and the like.

Description

Camera heat protection device for high-temperature-resistant fire-fighting robot

Technical Field

The application relates to the field of industrial cameras, in particular to a camera heat protection device for a high-temperature-resistant fire-fighting robot.

Background

An industrial camera is equipment for image acquisition and analysis, and is widely applied to the fields of machine vision, medical technology, renewable energy sources, intelligent traffic systems and the like; the traditional industrial camera has the advantages of high resolution, high frame rate, high sensitivity, high dynamic range and the like, and can meet the requirements of various image processing.

The conventional industrial camera has the defects that the problems of hot pixel drift, image noise increase, dynamic range reduction and the like easily occur in a high-temperature environment, and the image quality and analysis precision are affected. And therefore cannot be used in a high temperature environment, even when the external temperature is too high, the camera itself risks melting and even burning.

In the related art, a mode of adding radiating fins on a camera body is adopted to radiate the industrial camera, but the arrangement of the radiating fins greatly increases the structural complexity of the equipment, and the radiating capacity is lower.

Disclosure of Invention

In order to improve the problems, the application provides a camera heat protection device for a high-temperature-resistant fire-fighting robot.

The application provides a high temperature resistant fire control camera heat protection device for robot adopts following technical scheme:

the utility model provides a high temperature resistant fire control camera heat protection device for robot, includes first cooling plate, the face and the lateral wall laminating butt of camera body of first cooling plate, first cooling channel has been seted up in the first cooling plate, be used for circulating the coolant liquid in the first cooling channel.

Through adopting above-mentioned technical scheme, first cooling plate has formed a set of water cooling system outside the camera body, can carry out efficient heat dissipation to the camera body, and the platelike thing encloses after establishing the camera body, and the holistic outward appearance structure of camera is still comparatively succinct.

Preferably, the camera further comprises a second cooling plate, a second cooling channel is formed in the second cooling plate and used for allowing air to circulate, and the plate surface of the second cooling plate is attached to the plate surface of the first cooling plate on the side, away from the camera body, of the first cooling plate.

By adopting the technical scheme, the principle similar to that of the first cooling plate and the first cooling channel is adopted, cold air is introduced into the second cooling channel, and the cold air flow is directly used for cooling the second cooling plate, so that the negative influence of external factors on the first cooling plate is reduced.

Preferably, the camera comprises a camera body, and is characterized by further comprising an outer shell body, wherein the outer shell body is provided with a containing groove, the first cooling plate, the second cooling plate and the camera body are all positioned in the outer shell body, the groove wall of the containing groove is in back-to-back contact with one side plate surface of the camera body with the second cooling plate, an imaging space is formed between the groove bottom of the containing groove and the camera body, a lens of the camera body is positioned in the imaging space, and high-temperature-resistant glass is fixedly connected to the outer shell body and is coaxial with the lens of the camera body.

Through adopting above-mentioned technical scheme, the outer shell surrounds the assembly of camera body, first cooling plate and second cooling plate and places, protects overall structure.

Preferably, an airflow through hole is formed in one side, facing the bottom of the accommodating groove, of the second cooling plate, the second cooling channel is communicated with the imaging space through the airflow through hole, and a temperature sensor is fixedly connected to the bottom or the wall of the accommodating groove and in the imaging space.

Through adopting above-mentioned technical scheme, the air current that circulates in the second cooling channel can make between the gas in the imaging space and the outside air supply continuously carry out gaseous exchange to carry out forced air cooling to the camera lens position, accelerate the heat of camera lens department and discharge.

Preferably, a heat-conducting glue is connected between the first cooling plate and the second cooling plate.

Through adopting above-mentioned technical scheme, first cooling plate and second cooling plate pass through heat conduction glue fixed connection, and heat conduction glue also has good heat conductivity, improves the heat transfer efficiency between its two.

Preferably, the camera body is a cuboid, in projection along the axial direction of the lens, the cross sections of the first cooling plate and the second cooling plate are all L-shaped, a corrugated pipe is fixedly connected between two adjacent first cooling plates or two adjacent second cooling plates, and two adjacent first cooling channels on the first cooling plates or two adjacent second cooling channels on the two adjacent second cooling plates are communicated through the corrugated pipe.

By adopting the technical scheme, the size of the surrounding space between the two first cooling plates or the two second cooling plates is adjustable, and the corrugated pipe also has the characteristic of deformability, so that the bonding compactness between adjacent objects is improved and the influence of the dimensional errors of workpieces is reduced on the premise of ensuring the smoothness of the first cooling channel and the second cooling channel.

Preferably, a tightening tension spring is connected between two adjacent first cooling plates or two adjacent second cooling plates.

By adopting the technical scheme, the tightening springs enable the two first cooling plates or the two second cooling plates to have mutual abutting trend, so that adjacent objects can have automatic abutting capability.

Preferably, the first cooling plate is fixedly connected with a matching rib, the second cooling plate is provided with a matching groove for embedding the matching rib, and the length directions of the matching rib and the matching groove are perpendicular to the axial direction of the lens of the camera body.

Through adopting above-mentioned technical scheme, cooperation bead and cooperation groove are used for making first cooling plate and second cooling plate mutual location, under the mutual butt's of two face circumstances, and the two can be fixed relatively.

Preferably, the tank wall of the accommodating tank is fixedly connected with a limit baffle, the limit baffle is simultaneously abutted to one side of the camera body, the first cooling plate and the second cooling plate, which faces the tank bottom of the accommodating tank, and the bellows are located in the outline of the limit baffle along the axial direction of the lens of the camera body.

Through adopting above-mentioned technical scheme, limit baffle carries out the location relative to the shell body to first cooling plate, second cooling plate and camera body, also can block off the clearance that produces between two first cooling plates and two second cooling plates simultaneously, improves the leakproofness in imaging space.

Preferably, the outer shell is connected with a mounting bolt in a threaded manner, and the second cooling plate is provided with a mounting groove for inserting the end part of the mounting bolt.

By adopting the technical scheme, after the mounting bolts are screwed, the mounting bolts form position limitation on the second cooling plate by taking the outer shell as a basis.

In summary, the present application includes at least one of the following beneficial technical effects:

1. through the arrangement of the first cooling channel and the first cooling plate, the first cooling plate forms a set of water cooling system outside the camera body, so that the camera body can be efficiently radiated, and the overall appearance structure of the camera is still relatively simple after the camera body is surrounded by the plate-shaped object;

2. through second cooling channel and formation of image space intercommunication setting, the air current of circulation in the second cooling channel can make between the gas in the formation of image space and the outside air supply continuously carry out the gas exchange to carry out forced air cooling to the camera lens position, accelerate the heat of camera lens department and discharge.

Drawings

Fig. 1 is a schematic cross-sectional view of an overall structure of a camera thermal protection device for a fire-fighting robot with high temperature resistance according to an embodiment of the present application.

Fig. 2 is a schematic structural diagram of a first cooling plate and a second cooling plate according to a first embodiment of the present application in a form of mounting the first cooling plate and the second cooling plate outside the camera body.

Fig. 3 is a schematic diagram of the overall structure of the cooling mechanism according to the second embodiment of the present application.

Fig. 4 is an exploded view of a structure for embodying the mounting form of the first cooling plate and the second cooling plate outside the camera body in the second embodiment of the present application.

Reference numerals illustrate: 1. a camera body; 11. a lens; 2. a cooling mechanism; 21. a first cooling plate; 211. a first cooling channel; 212. a cooling liquid inlet; 213. a cooling liquid outlet; 214. a pipe joint; 215. matched with the convex edges; 216. a retaining plate; 22. a second cooling plate; 221. a second cooling channel; 222. an air inlet through hole; 223. an air outlet through hole; 224. an air flow through hole; 225. a mating groove; 226. a mounting groove; 23. an outer housing; 231. high temperature resistant glass; 232. a temperature sensor; 233. a receiving groove; 234. an imaging space; 235. installing a bolt; 236. a limit baffle; 24. a bellows; 25. and (5) tightening the tension spring.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-4.

Embodiment one:

the embodiment of the application discloses a camera heat protection device for a high-temperature-resistant fire-fighting robot, which is shown in fig. 1 and comprises a camera body 1 and a cooling mechanism 2, wherein the cooling mechanism 2 is used for cooling the camera body 1 when the camera body works; the cooling mechanism 2 is operated in a liquid cooling mode and an air cooling mode.

As shown in fig. 1 and 2, the camera body 1 is in a cuboid shape, the lens 11 is positioned on one side surface of the camera body, the cooling mechanism 2 comprises four first cooling plates 21 and four second cooling plates 22, the first cooling plates 21 are provided with first cooling channels 211, the second cooling plates 22 are provided with second cooling channels 221, the four first cooling plates 21 are enclosed into a cylinder and sleeved outside the camera body 1, and the first cooling channels 211 on each first cooling plate 21 are sequentially communicated to form a double-thread circulation path; the four second cooling plates 22 also enclose a cylinder, and the second cooling channels 221 on the second cooling plates 22 are sequentially communicated to form a double-thread circulation passage outside the cylinder enclosed by the first cooling plates 21. One side plate surface of the first cooling plate 21 is in contact with the side wall of the camera body 1, and the other side plate surface is in contact with the plate surface of the second cooling plate 22. The plate surfaces of the first cooling plate 21 and the camera body 1 and the second cooling plate 22 are fixedly connected through heat conducting glue.

As shown in fig. 1 and 2, the first cooling passage 211 is for circulating a cooling liquid therein; the second cooling channels 221 are used for gas circulation, wherein the end part of one first cooling plate 21 is provided with a cooling liquid inlet 212 and fixedly connected with a pipe joint 214, the end part of the first cooling plate 21 opposite to the end part is provided with a cooling liquid outlet 213 and fixedly connected with the pipe joint 214, and the cooling liquid inlet 212 and the cooling liquid outlet 213 are respectively communicated with the head end and the tail end of the first cooling channel 211. The cooling liquid is provided by a cooling system of the fire-fighting robot, the cooling system is provided with a water pump, and the cooling liquid continuously enters the first cooling channel 211 through the supercooling liquid inlet 212 under the driving of the water pump, flows out from the cooling liquid outlet 213, and is finally directly discharged to the outside of the robot.

As shown in fig. 1 and 2, the cooling mechanism 2 further includes an outer casing 23, a containing groove 233 is formed in the outer casing 23, the first cooling plate 21, the second cooling plate 22 and the camera body 1 are all located in the outer casing 23, a groove wall of the containing groove 233 contacts with a side plate surface of the second cooling plate 22, which is away from the camera body 1, an imaging space 234 is formed between a groove bottom of the containing groove 233 and the camera body 1, and the lens 11 of the camera body 1 is located in the imaging space 234. The outer shell 23 is fixedly connected with high temperature resistant glass 231, the high temperature resistant glass 231 is coaxial with the lens 11 of the camera body 1, the material is quartz, the quartz also has the heat insulation property, and the thickness of the quartz is at least 6mm. Pipe joints 214 on first cooling plate 21 are each located at an end of first cooling plate 21 on a side remote from imaging space 234. One end of one of the second cooling plates 22, which is remote from the imaging space 234, is connected to a gas cartridge, which communicates with the port of the second cooling passage 221; the same end of the second cooling plate 22 opposite thereto is also connected with a gas header which is also in communication with the port of the second cooling passage 221. The two air pipe heads are respectively connected with two ends of the air pump, wherein one side of the two second cooling plates 22 facing the bottom of the accommodating groove 233 is provided with an air flow through hole 224, the second cooling channel 221 is communicated with the imaging space 234 through the air flow through hole 224, the second cooling channel 221 enters the imaging space 234 through one of the air flow through holes 224, passes through the lens 11, enters the second cooling channel 221 through the other air flow through hole 224, and finally leaves the second cooling plates 22; the gas in the imaging space 234 is exchanged in the whole process, so that the heat dissipation efficiency of the lens 11 part of the camera body 1 is improved.

The implementation principle of the camera heat protection device for the high-temperature-resistant fire-fighting robot is as follows:

the first cooling channel 211 is filled with cooling liquid, the cooling liquid is directly used for cooling the first cooling plate 21, the first cooling plate 21 exchanges heat with the camera body 1, and the camera body 1 is cooled; the second cooling channel 221 is filled with cold air, and the cold air flow is directly used for cooling the second cooling plate 22, and meanwhile, the second cooling channel 221 can exchange gas in the imaging space 234, so that heat of the lens 11 part is reduced, and the lens 11 of the camera body 1 is cooled. The temperature sensor 232 detects the temperature at the imaging space 234 and transmits the detection result to the control system. The working environment temperature of the camera is 600-950 ℃, and as the maximum working temperatures of different industrial cameras have certain differences, the size and shape of the camera body 1 also have certain differences, so the cooling requirements of different camera bodies 1 have differences, according to different cooling requirements, a plurality of different cooling liquids can be selected, and certain differences exist in the flow requirements of the corresponding cooling liquids and the sizes of the first cooling plate 21 and the second cooling plate 22.

Embodiment two:

as shown in fig. 3 and 4, the difference from the first embodiment is that: in this embodiment, there are two first cooling plates 21 and two second cooling plates 22, and in the projection along the axial direction of the lens 11, the cross sections of the first cooling plates 21 and the second cooling plates 22 are L-shaped; a bellows 24 is fixedly connected between the two adjacent first cooling plates 21 or the two adjacent second cooling plates 22, and the first cooling channels 211 on the two adjacent first cooling plates 21 or the second cooling channels 221 on the two adjacent second cooling plates 22 are communicated through the bellows 24. Meanwhile, a tightening tension spring 25 is connected between two adjacent first cooling plates 21 or two adjacent second cooling plates 22, and the tightening tension spring 25 enables the two first cooling plates 21 or the two second cooling plates 22 to have a tendency of mutually abutting, so that the first cooling plates 21 are more closely attached to the camera body 1, and the second cooling plates 22 are more closely attached to the first cooling plates 21.

As shown in fig. 3 and 4, the first cooling plate 21 is fixedly connected with a plurality of matching ribs 215, and the second cooling plate 22 is provided with a plurality of matching grooves 225, and the length directions of the matching ribs 215 and the matching grooves 225 are perpendicular to the axial direction of the lens 11 of the camera body 1. When the first cooling plate 21 and the second cooling plate 22 abut against each other, the fitting rib 215 is fitted into the fitting groove 225, and the first cooling plate 21 and the second cooling plate 22 are relatively fixed. Four limit baffles 236 are fixedly connected to the groove wall of the containing groove 233, and the four limit baffles 236 are respectively positioned at four edges of the inner wall of the outer shell 23; the limit stopper 236 is simultaneously abutted against the camera body 1, the first cooling plate 21, and the second cooling plate 22 toward the side of the bottom of the accommodation groove 233. Along the axial direction of the lens 11 of the camera body 1, the bellows 24 and the tightening tension spring 25 are both located within the outline of the limit stop 236, i.e., the limit stop 236 can improve the sealing of the imaging space 234. A retaining plate 216 is fixedly connected to the plate surface of the first cooling plate 21, and the retaining plate 216 abuts against one side of the camera body 1 facing away from the imaging space 234.

As shown in fig. 3 and 4, the outer case 23 is screw-coupled with a mounting bolt 235, and the second cooling plate 22 is provided with a mounting groove 226 into which an end of the mounting bolt 235 is inserted. Four mounting bolts 235 are respectively arranged on four side walls of the outer shell 23, and the length direction of the mounting bolts is perpendicular to the axial direction of the lens 11. After the second cooling plate 22 abuts against the limit baffle 236, the mounting bolts 235 and the mounting grooves 226 are coaxial; when the mounting bolts 235 are screwed, the mounting bolts 235 form position limitation on the second cooling plate 22 based on the outer shell 23, and meanwhile, the first cooling plate 21 and the camera body 1 are relatively fixed, namely, the detachable mounting and fixing of the cooling mechanism 2 and the camera body 1 are realized.

compared with the first embodiment, the present embodiment is characterized in that the whole cooling mechanism 2 is not fixedly connected by using glue or other substances, the matching and dismounting processes of each part are relatively simple, and the bonding tightness of the camera body 1, the first cooling plate 21 and the second cooling plate 22 is further enhanced, the influence of the dimensional error of the parts is reduced, and meanwhile, the heat conducting glue is reduced, and the heat dissipation efficiency is improved.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims

1. A camera thermal protection device for high temperature resistant fire control robot, its characterized in that: the camera comprises a first cooling plate (21), wherein the plate surface of the first cooling plate (21) is in fit and abutting connection with the side wall of a camera body (1), a first cooling channel (211) is formed in the first cooling plate (21), and cooling liquid is used for flowing in the first cooling channel (211).

2. The camera thermal protection device for a high temperature resistant fire robot of claim 1, wherein: the camera also comprises a second cooling plate (22), wherein a second cooling channel (221) is formed in the second cooling plate (22), the second cooling channel (221) is used for allowing air to circulate, and the plate surface of the second cooling plate (22) is attached to the plate surface of one side, deviating from the camera body (1), of the first cooling plate (21).

3. The camera thermal protection device for a high temperature resistant fire robot of claim 2, wherein: still include shell body (23), holding tank (233) have been seted up on shell body (23), first cooling plate (21), second cooling plate (22) and camera body (1) all are located shell body (23), the cell wall of holding tank (233) and one side face contact that second cooling plate (22) deviate from camera body (1), form imaging space (234) between the tank bottom of holding tank (233) and camera body (1), camera body (1) camera lens (11) are located imaging space (234), fixedly connected with high temperature resistant glass (231) on shell body (23), high temperature resistant glass (231) are coaxial with camera body (1) camera lens (11).

4. A camera thermal protection device for a fire robot of claim 3, wherein: the second cooling plate (22) is provided with an airflow through hole (224) towards one side of the bottom of the accommodating groove (233), the second cooling channel (221) is communicated with the imaging space (234) through the airflow through hole (224), and a temperature sensor (232) is fixedly connected to the bottom or the wall of the accommodating groove (233) and in the imaging space (234).

5. A camera thermal protection device for a fire-fighting robot with high temperature resistance according to any one of claims 2 to 4, wherein: and a heat-conducting adhesive is connected between the first cooling plate (21) and the second cooling plate (22).

6. A camera thermal protection device for a fire-fighting robot with high temperature resistance according to any one of claims 2 to 4, wherein: the camera body (1) is cuboid, in the projection along the axial direction of the lens (11), the cross sections of the first cooling plates (21) and the second cooling plates (22) are L-shaped, a corrugated pipe (24) is fixedly connected between two adjacent first cooling plates (21) or two adjacent second cooling plates (22), and two adjacent first cooling channels (211) on the first cooling plates (21) or two adjacent second cooling channels (221) on the two adjacent second cooling plates (22) are communicated through the corrugated pipe (24).

7. The camera thermal protection device for a high temperature resistant fire robot of claim 6, wherein: a tightening tension spring (25) is connected between two adjacent first cooling plates (21) or two adjacent second cooling plates (22).

8. The camera thermal protection device for a high temperature resistant fire robot of claim 7, wherein: the camera is characterized in that the first cooling plate (21) is fixedly connected with a matching rib (215), the second cooling plate (22) is provided with a matching groove (225) for embedding the matching rib (215), and the length direction of the matching rib (215) and the matching groove (225) is perpendicular to the axial direction of the lens (11) of the camera body (1).

9. The camera thermal protection device for a high temperature resistant fire robot of claim 7, wherein: the camera is characterized in that a limit baffle (236) is fixedly connected to the groove wall of the accommodating groove (233), the limit baffle (236) is simultaneously abutted to one side of the camera body (1), the first cooling plate (21) and the second cooling plate (22) towards the groove bottom of the accommodating groove (233), and the bellows (24) are located in the outline of the limit baffle (236) along the axial direction of the lens (11) of the camera body (1).

10. The camera thermal protection device for a high temperature resistant fire robot of claim 9, wherein: the outer shell (23) is connected with a mounting bolt (235) in a threaded mode, and the second cooling plate (22) is provided with a mounting groove (226) for inserting the end portion of the mounting bolt (235).