WO2021232415A1

WO2021232415A1 - Vehicle-mounted anti-explosion camera device

Info

Publication number: WO2021232415A1
Application number: PCT/CN2020/091846
Authority: WO
Inventors: 欧阳剑毅
Original assignee: 深圳市锐明技术股份有限公司
Priority date: 2020-05-22
Filing date: 2020-05-22
Publication date: 2021-11-25
Also published as: CN213442357U

Abstract

Disclosed is a vehicle-mounted anti-explosion camera device, the vehicle-mounted anti-explosion camera device comprising an anti-explosion housing (10), a camera assembly (20), a light supplement assembly (30) and a mounting plate (40), wherein a first window (10a) and a second window (10b) are provided in an outer wall of the anti-explosion housing (10), and a first mounting groove (10c) and a second mounting groove (10d) are provided in an inner wall of the anti-explosion housing (10) in a recessed manner; the mounting plate (40) is mounted on an inner side of the anti-explosion housing (10) and seals an opening end of the first mounting groove (10c) and an opening end of the second mounting groove (10d); and the first mounting groove (10c) and the second mounting groove (10d) are not in communication with each other, such that the camera assembly (20) is not affected when light sources of the light supplement assembly (30) are obscured. Where the light sources do not affect one another, both the camera assembly (20) and the light supplement assembly (30) can be placed in an accommodation space of the anti-explosion housing (10), such that the overall volume is smaller so as to be applied in different mounting environments.

Description

Vehicle explosion-proof camera device

Technical field

This application relates to the technical field of vehicle-mounted equipment, and in particular to a vehicle-mounted explosion-proof camera device.

Background technique

With the development of economy, road transportation of dangerous goods is increasing day by day. However, due to the lack of real-time, dynamic and effective monitoring and management of the whole process of dangerous goods transportation, dangerous goods transportation accidents frequently occur, causing people’s lives and property. It has caused huge losses and will cause serious pollution to the surrounding environment. Therefore, the establishment and improvement of a real-time dynamic monitoring and early warning system for dangerous goods transportation vehicles can realize real-time dynamic monitoring, early warning and alarm, safety management and analysis, and auxiliary emergency rescue of vehicles, personnel, environment and the state of dangerous goods during the whole transportation process. Minimize dangerous goods transportation accidents and their hazards.

An explosion-proof camera device is a camera device that can withstand explosions, and is often used in environments where explosions may occur, such as gas stations, tank trucks, and hazardous chemical vehicles. In order to ensure the imaging effect, supplementary light is required during the shooting. In order to prevent light leakage, the supplementary light component of the explosion-proof camera device and the camera lens are set in different cavities. This arrangement method can prevent the stray light emitted by the supplementary light component from directly entering Into the lens and cause the image to be unclear.

However, arranging the supplementary light component and the camera lens in different cavities respectively causes the overall volume of the explosion-proof camera device to be relatively large, and it is difficult to flexibly adapt to different installation environments.

Summary of the invention

technical problem

The purpose of the embodiments of the present application is to provide a vehicle-mounted explosion-proof camera device, which aims to solve the problem that the existing explosion-proof camera device has a large overall volume and cannot adapt to different installation environments.

The solution to the problem

Technical solutions

In order to solve the above technical problems, the technical solutions adopted in the embodiments of this application are:

A vehicle-mounted explosion-proof camera device includes an explosion-proof housing with an accommodating space, a camera assembly and a supplementary light assembly all arranged in the accommodating space, and a mounting board for fixing the camera assembly and the supplementary light assembly. The outer side wall of the explosion-proof housing is provided with a first window and a second window adjacent to the first window. The inner side wall of the explosion-proof housing is recessed to form a first installation groove communicating with the first window, and a recess is formed to connect to the second window The connected second installation slot. The mounting plate is installed on the inside of the explosion-proof housing and blocks the open end of the first mounting groove and the open end of the second mounting groove. The lens of the camera assembly is inserted on the mounting plate and faces the first window, and the lamp cap of the supplementary light assembly is inserted through On the mounting plate and facing the second window.

In one embodiment, the vehicle-mounted explosion-proof camera device includes a first explosion-proof glass, and the first explosion-proof glass is arranged in the first installation groove.

In an embodiment, a first gasket is provided on the mounting plate, and the first gasket abuts against the first explosion-proof glass.

In an embodiment, a first waterproof adhesive layer is provided between the first gasket and the side wall of the first installation groove.

In an embodiment, the vehicle-mounted explosion-proof camera device includes a second explosion-proof glass, and the second explosion-proof glass is arranged in the second installation groove.

In an embodiment, a second gasket is provided on the mounting plate, and the second gasket abuts against the second explosion-proof glass.

In an embodiment, a second waterproof glue layer is provided between the second gasket and the side wall of the second installation groove.

In one embodiment, the camera assembly includes a first PCB board mounted on the mounting board and a camera lens mounted on the first PCB board and passing through the mounting board.

In one embodiment, the lamp replacement assembly includes a second PCB board mounted on the mounting board and an infrared lamp set mounted on the second PCB board and passing through the mounting board.

In one embodiment, the explosion-proof housing includes a front housing and a rear housing buckled with the front housing.

In one embodiment, the rear shell includes a main body and a plug-in part provided on the main body, and the front shell has a first flameproof end surface that abuts against the main body and abuts against the plug-in part. The second explosion-proof end face that leans against.

In an embodiment, an annular groove is provided on the main body, the annular groove surrounds the plug-in portion, and a sealing ring is provided in the annular groove.

In one embodiment, the outer side of the main body protrudes outward to form an installation tube for the tail wire to be inserted, and a tail wire waterproof plug is arranged in the installation tube.

In one embodiment, the inner side wall of the front shell or the inner side wall of the rear shell is provided with a desiccant pack and a tablet for fixing the desiccant pack.

In one embodiment, the vehicle-mounted explosion-proof camera device further includes a U-shaped vertical mounting bracket, and two vertical sections of the vertical mounting bracket are respectively connected to opposite sides of the front shell.

In one embodiment, both vertical sections of the vertical mounting bracket are provided with a first installation hole for the pivot screw to pass through, and a first arc hole for the fixing screw to pass through.

In one embodiment, the vehicle-mounted explosion-proof camera device further includes a U-shaped side-mounted bracket, and two vertical sections of the side-mounted bracket are respectively connected to opposite sides of the front shell.

In one embodiment, both vertical sections of the side mounting bracket are provided with a second mounting hole for the pivot screw to penetrate, and a second arc hole for the fixing screw to penetrate.

In one embodiment, the horizontal section of the side mounting bracket is provided with a notch structure for the tail wire to pass through.

The beneficial effects of the invention

Beneficial effect

The beneficial effect of the vehicle-mounted explosion-proof camera device provided by the embodiment of the present application is that the first installation groove and the second installation groove are opened on the explosion-proof housing, and the two are not connected to each other. When the mounting plate blocks the two mounting grooves, the first mounting groove and the mounting plate are enclosed to form a first accommodating cavity for accommodating the lens of the camera assembly, and at the same time, the second mounting groove and the mounting plate are enclosed to form a accommodating light supplement The second accommodating cavity of the lamp cap of the component, in this way, the light source of the supplementary light component is only in the second accommodating cavity, and the first accommodating cavity also plays a role of separation and isolation. To sum up, under the condition that the light sources do not affect each other, the camera assembly and the supplementary light assembly can be placed in the accommodating space of the explosion-proof housing at the same time, so that the overall volume is more compact to adapt to different installation environments.

Brief description of the drawings

Description of the drawings

In order to more clearly describe the technical solutions in the embodiments of the present application, the following will briefly introduce the accompanying drawings that need to be used in the embodiments or exemplary technical descriptions. Obviously, the accompanying drawings in the following description are only of the present application. For some embodiments, those of ordinary skill in the art can obtain other drawings based on these drawings without creative work.

FIG. 1 is an exploded view of a vehicle-mounted explosion-proof camera device provided by an embodiment of the present application;

2 is a cross-sectional view of the front shell of the vehicle-mounted explosion-proof camera device provided by an embodiment of the present application;

3 is a cross-sectional view of a vehicle-mounted explosion-proof camera device provided by an embodiment of the present application;

4 is a schematic structural diagram of a rear case of a vehicle-mounted explosion-proof camera device provided by an embodiment of the present application;

5 is a schematic structural diagram of a vehicle-mounted explosion-proof camera device provided by an embodiment of the present application;

Fig. 6 is another schematic structural diagram of a vehicle-mounted explosion-proof camera device provided by an embodiment of the present application.

Invention embodiment

Embodiments of the present invention

In order to make the purpose, technical solutions, and advantages of this application clearer and clearer, the following further describes the application in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, and are not used to limit the present application.

It should be noted that when a component is referred to as being "fixed to" or "installed on" another component, it can be directly on the other component or indirectly on the other component. When a component is said to be "connected" to another component, it can be directly or indirectly connected to the other component. The terms "upper", "lower", "left", "right", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for ease of description, and do not indicate or imply the device referred to. Or the element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be construed as a limitation of the present application. For those of ordinary skill in the art, the specific meaning of the above terms can be understood according to specific conditions. The terms "first" and "second" are only used for ease of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features. The meaning of "plurality" means two or more than two, unless otherwise specifically defined.

In order to illustrate the technical solutions of the present application, detailed descriptions are given below in conjunction with specific drawings and embodiments.

Please refer to FIGS. 1 to 3, the vehicle explosion-proof camera device provided by the present application includes an explosion-proof housing 10 with an accommodating space, a camera assembly 20 and a supplementary light assembly 30 all arranged in the accommodating space, and a fixed camera assembly 20 and the mounting plate 40 of the light-filling assembly 30. The outer side wall of the explosion-proof housing 10 is provided with a first window 10a and a second window 10b adjacent to the first window 10a, and the inner side wall of the explosion-proof housing 10 is recessed to form a first installation groove 10c communicating with the first window 10a, And the recess forms a second mounting groove 10d communicating with the second window 10b. The mounting plate 40 is installed inside the explosion-proof housing 10 and blocks the open end of the first mounting groove 10c and the open end of the second mounting groove 10d. Here, the open end refers to the side of the mounting groove facing away from the window. The lens of the camera assembly 20 passes through the mounting plate 40 and faces the first window 10a, and the lamp cap of the supplementary light assembly 30 passes through the installation plate 40 and faces the second window 10b.

In the vehicle explosion-proof camera device of the present application, a first installation groove 10c and a second installation groove 10d are opened on the explosion-proof housing 10, and the two are not connected to each other. When the mounting plate 40 blocks the two mounting grooves, the first mounting groove 10c and the mounting plate 40 enclose a first accommodating cavity for accommodating the lens of the camera assembly 20, and at the same time, the second mounting groove 10d surrounds the mounting plate 40 The second accommodating cavity of the lamp cap of the supplementary light assembly 30 is formed together. In this way, the light source of the supplementary light assembly 30 is only in the second accommodating cavity, and the first accommodating cavity also functions as a separation and isolation. In summary, under the condition that the light sources do not affect each other, the camera assembly 20 and the supplementary light assembly 30 can be placed in the accommodating space of the explosion-proof housing 10 at the same time. In this way, the overall volume is more compact to adapt to different installation environments.

1 to 3, in one embodiment, the vehicle-mounted explosion-proof camera device includes a first explosion-proof glass 51, and the first explosion-proof glass 51 is disposed in the first installation groove 10c. That is, the first window 10a is sealed by the first explosion-proof glass 51. Specifically, a first gasket 52 is provided on the mounting plate 40, and the first gasket 52 abuts against the first explosion-proof glass 51. Use the first gasket 52 to fill the space to prevent the first explosion-proof glass 51 from shaking due to external forces, and leave a space between the lens of the camera assembly 20 and the first explosion-proof glass 51 to prevent the first explosion-proof glass 51 from directly acting on the lens . In addition, the first gasket 52 can further function as a light shield.

Referring to FIG. 3, in one embodiment, a first waterproof adhesive layer 53 is provided between the first gasket 52 and the side wall of the first installation groove 10c. Understandably, water seepage is prevented from entering the explosion-proof housing 10 from the first window 10a.

1 to 3, in one embodiment, the vehicle-mounted explosion-proof camera device includes a second explosion-proof glass 61, and the second explosion-proof glass 61 is disposed in the second installation groove 10d. That is, the second window 10b is sealed by the second explosion-proof glass 61. Specifically, a second gasket 62 is provided on the mounting plate 40, and the second gasket 62 abuts against the second explosion-proof glass 61. Use the second gasket 62 to fill the space to prevent the second explosion-proof glass 61 from shaking due to external forces, and to leave a space between the lamp cap of the supplementary light assembly 30 and the second explosion-proof glass 61 to prevent the second explosion-proof glass 61 from directly acting on Lamp holder. In addition, the second gasket 62 can further prevent light leakage.

Referring to FIG. 3, in one embodiment, a second waterproof adhesive layer 63 is provided between the second gasket 62 and the side wall of the second installation groove 10d. Understandably, water seepage is prevented from entering the explosion-proof housing 10 from the second window 10b.

1 and 3, in one embodiment, the camera assembly 20 includes a first PCB board 21 mounted on the mounting board 40 and a camera lens mounted on the first PCB board 21 and passing through the mounting board 40 twenty two. Here, the camera component 20 has a BSD blind spot detection function. By monitoring the driver's blind spot, using deep learning target detection algorithms and tracking algorithms, it can accurately identify behaviors that have a risk of collision with pedestrians, bicycles, battery cars and other targets during the driving process. Send out alarm voice signals separately from pedestrians to reduce the tragedy caused by the rolling of blind spots. Understandably, the first PCB board 21 is connected to the mounting board 40 through mounting posts, and is separated from the first explosion-proof glass 51 on opposite sides of the mounting board 40. The camera lens 22 is welded to the first PCB board 21, and the front end of the camera lens 22 passes through the mounting board 40.

1 and 3, in one embodiment, the light supplement assembly 30 includes a second PCB board 31 mounted on the mounting board 40 and a second PCB board 31 mounted on the second PCB board 31 and passing through the mounting board 40 Infrared lamp group 32. Understandably, the second PCB board 31 is connected to the mounting board 40 through mounting posts, and is separated from the second explosion-proof glass 61 on opposite sides of the mounting board 40. The infrared lamp group 32 is welded to the second PCB board 31, and the front end of the infrared lamp group 32 passes through the mounting board 40. Here, according to actual usage requirements, the number of lamp beads of the infrared lamp group 32 may be two, three, or even more.

Please refer to FIG. 1, in one embodiment, the explosion-proof housing 10 includes a front housing 11 and a rear housing 12 buckled with the front housing 11. In this way, it is convenient to disassemble and assemble and facilitate the installation of internal components.

Continuing to refer to FIGS. 1 to 3, the rear shell 12 includes a main body 121 and a plug-in portion 122 provided on the main body 121. The front shell 11 has a first flameproof end surface 11a that abuts against the main body 121 and abuts against the plug-in portion 122. Leaning on the second flameproof end surface 11b. Understandably, the plug-in portion 122 is a structural part of the rear shell 12 extending into the front shell 11, and after the plug-in portion 122 extends into the front shell 11, the end surface of the front shell 11 abuts against the main body 121, and this end surface is the first A flameproof end surface 11a; at the same time, the inner wall of the front shell 11 abuts against the outside of the plug-in portion 122, and the inner wall is the second flameproof end surface 11b. In this way, the connection area between the front shell 11 and the rear shell 12 is increased, and the connection stability between the two is improved. Furthermore, the fixing screw is inserted through the main body 121 and screwed into the first flameproof end surface 11a.

3, in one embodiment, the main body 121 is provided with an annular groove 12a, the annular groove 12a surrounds the insertion portion 122, and a sealing ring 12b is provided in the annular groove 12a. Understandably, water seepage is prevented from entering the explosion-proof housing 10 from the gap between the front shell 11 and the rear shell 12.

Referring to FIG. 3, in one embodiment, the outer side of the main body 121 protrudes outward to form a mounting tube 12c for the tail wire to be inserted into, and a tail wire waterproof plug 12d is provided in the mounting tube 12c. Understandably, the external tail wire enters the explosion-proof housing 10, so that installation space is required between the tail wire and the installation tube 12c, and therefore, the tail wire is blocked by the waterproof plug 12d. Specifically, the outline of the tail line waterproof plug 12d is adapted to the internal space of the installation tube 12c, and at the same time, the tail line can be threaded.

Referring to Fig. 4, in one embodiment, the inner side wall of the front shell 11 or the inner side wall of the rear shell 12 is provided with a desiccant pack 13 and a press sheet 14 for fixing the desiccant pack 13. It is understandable that the moisture in the explosion-proof housing 10 is absorbed by the desiccant pack 13 to prevent the camera lens 22 of the camera assembly 20 from being blurred due to the moisture.

Please refer to FIG. 5, in one embodiment, the vehicle explosion-proof camera device further includes a U-shaped vertical mounting bracket 70, two vertical sections of the vertical mounting bracket 70 are respectively connected to opposite sides of the front shell 11. It is understandable that the explosion-proof housing 10 can be erected on the installation platform through the vertical mounting bracket 70 to support the explosion-proof housing 10. Specifically, both vertical sections of the vertical mounting bracket 70 are provided with a first mounting hole 70a for the pivot screw to penetrate, and a first arc hole 70b for the fixing screw to penetrate. Here, the pivot screw passes through the first mounting hole 70a, so that the explosion-proof housing 10 rotates around the pivot screw to achieve angle adjustment; and the fixing screw passes through the first arc-shaped hole 70b to achieve rotation angle fixation.

Please refer to FIG. 6, in another embodiment, the vehicle explosion-proof camera device further includes a U-shaped side mounting bracket 80, and two vertical sections of the side mounting bracket 80 are respectively connected to opposite sides of the front shell 11. Understandably, the explosion-proof housing 10 can be adapted to the side-mounted requirements through the side-mounted bracket 80. Specifically, the two vertical sections of the side mounting bracket 80 are each provided with a second mounting hole 80a for the pivot screw to pass through, and a second arc-shaped hole 80b for the fixing screw to pass through. Here, the pivot screw passes through the second mounting hole 80a, so that the explosion-proof housing 10 rotates around the pivot screw to achieve angle adjustment; and the fixing screw passes through the second arc-shaped hole 80b to achieve rotation angle fixation.

Please refer to FIG. 6, the horizontal section of the side mounting bracket 80 is provided with a notch structure 80c for the tail wire to pass through. That is, the peripheral tail wire is routed through the gap structure 80c.

The above are only optional embodiments of the present application, and are not used to limit the present application. For those skilled in the art, this application can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of this application shall be included in the scope of the claims of this application.

Claims

A vehicle-mounted explosion-proof camera device is characterized in that it comprises an explosion-proof housing with an accommodating space, a camera assembly and a supplementary light assembly that are all arranged in the accommodating space, and are used to fix the camera assembly and the supplementary A mounting board for an optical component, the outer side wall of the explosion-proof housing is provided with a first window and a second window adjacent to the first window, and the inner side wall of the explosion-proof housing is recessed to be connected to the first window The first installation groove is connected with the second window, and the second installation groove is recessed to form a second installation groove communicated with the second window. The installation plate is installed inside the explosion-proof housing and blocks the open end and At the open end of the second mounting groove, the lens of the camera assembly is penetrated through the mounting plate and faces the first window, and the lamp cap of the light supplement assembly is penetrated through the mounting plate and faces the first window. Two windows.
The vehicle-mounted explosion-proof camera device according to claim 1, wherein the vehicle-mounted explosion-proof camera device comprises a first explosion-proof glass, and the first explosion-proof glass is provided in the first installation groove.
The vehicle explosion-proof camera device according to claim 2, wherein a first gasket is provided on the mounting plate, and the first gasket abuts against the first explosion-proof glass.
The vehicle explosion-proof camera device according to claim 3, wherein a first waterproof glue layer is provided between the first gasket and the side wall of the first installation groove.
The vehicle-mounted explosion-proof camera device according to claim 1, wherein the vehicle-mounted explosion-proof camera device comprises a second explosion-proof glass, and the second explosion-proof glass is provided in the second installation groove.
The vehicle explosion-proof camera device according to claim 5, wherein a second gasket is provided on the mounting plate, and the second gasket abuts against the second explosion-proof glass.
The vehicle-mounted explosion-proof camera device according to claim 6, wherein a second waterproof glue layer is provided between the second gasket and the side wall of the second installation groove.
The vehicle-mounted explosion-proof camera device according to claim 1, wherein the camera assembly comprises a first PCB board mounted on the mounting board, and a first PCB board mounted on the first PCB board and passing through the Mount the camera lens of the board.
The vehicle-mounted explosion-proof camera device according to claim 1, wherein the repair light assembly includes a second PCB board mounted on the mounting board, and a second PCB board mounted on the second PCB board and passing through it. The infrared light group of the mounting board is described.
The vehicle-mounted explosion-proof camera device according to claim 1, wherein the explosion-proof housing comprises a front housing and a rear housing engaged with the front housing.
The vehicle explosion-proof camera device according to claim 10, wherein the rear housing includes a main body and a plug-in part provided on the main body, and the front housing has a first explosion-proof An end surface, and a second flameproof end surface that abuts against the plug-in part.
The vehicle-mounted explosion-proof camera device according to claim 11, wherein the main body is provided with an annular groove, the annular groove surrounds the plug-in portion, and a sealing ring is provided in the annular groove.
The vehicle-mounted explosion-proof camera device according to claim 11, wherein the outer side of the main body protrudes outward to form an installation pipe for the tail wire to be inserted, and a tail wire waterproof plug is provided in the installation pipe.
The vehicle-mounted explosion-proof camera device according to claim 10, wherein the inner side wall of the front housing or the inner side wall of the rear housing is provided with a desiccant pack and a tablet for fixing the desiccant pack.
The vehicle-mounted explosion-proof camera device according to claim 10, wherein the vehicle-mounted explosion-proof camera device further comprises a U-shaped vertical mounting bracket, and two vertical sections of the vertical mounting bracket are respectively connected to the front Opposite sides of the shell.
The vehicle explosion-proof camera device according to claim 15, wherein the two vertical sections of the vertical mounting bracket are both provided with a first mounting hole for the pivot screw to pass through, and a second mounting hole for the fixing screw to pass through. A curved hole.
The vehicle-mounted explosion-proof camera device according to claim 10, wherein the vehicle-mounted explosion-proof camera device further comprises a U-shaped side-mounted bracket, and two vertical sections of the side-mounted bracket are respectively connected to the front Opposite sides of the shell.
The vehicle explosion-proof camera device according to claim 17, wherein the two vertical sections of the side mounting bracket are each provided with a second mounting hole for the pivot screw to pass through, and a second mounting hole for the fixing screw to pass through. Two curved holes.
The vehicle-mounted explosion-proof camera device according to claim 17, wherein the horizontal section of the side mounting bracket is provided with a notch structure for the tail wire to pass through.