CN220368757U - Image pickup device and vehicle - Google Patents

Abstract

The utility model discloses an image pickup device and a vehicle, wherein the image pickup device comprises: the lens is fixedly connected with the shell, and the shell is provided with a containing cavity; the heating element and the heat dissipation assembly are arranged in the accommodating cavity, the heat dissipation assembly comprises a first heat dissipation piece and a second heat dissipation piece, the first heat dissipation piece is connected with one side, close to the lens, of the heating element, and the second heat dissipation piece is connected with one side, far away from the lens, of the heating element; the first heat dissipation piece is provided with a first heat dissipation fin extending towards the direction of the lens, and the second heat dissipation piece is provided with a second heat dissipation fin extending away from the direction of the lens. Therefore, the heat exchange device can exchange heat with air rapidly, guide air flow, guide heat in the accommodating cavity out of the shell rapidly, effectively improve heat dissipation efficiency and heat dissipation effect, and improve reliability and safety of the camera device.

Description

Image pickup device and vehicle

Technical Field

The utility model relates to the technical field of camera heat dissipation, in particular to an imaging device and a vehicle.

Background

With the rapid development of the vehicle-mounted camera industry, the requirements on pixels of cameras are higher and higher. Because the chip in the camera of high pixel is highly integrated, its work produces more heat, in order to maintain the normal work of camera, need in time dispel the heat.

In the prior art, heat dissipation is generally performed by adopting modes of increasing the contact area of a heat dissipation element and a shell, adopting high-heat-conductivity shell materials, increasing the overall dimension of a camera and the like, and the heat dissipation efficiency of the heat dissipation modes is lower, so that the heat dissipation requirement of the high-pixel camera cannot be met, the chip is caused to have super junction temperature, and the camera is easy to work abnormally.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, an object of the present utility model is to provide an imaging device capable of self-radiating heat with better heat radiation performance.

The utility model further provides a vehicle adopting the imaging device.

An image pickup apparatus according to an embodiment of the present utility model includes: the lens is fixedly connected with the shell, and the shell is provided with a containing cavity; the heating element and the heat dissipation assembly are arranged in the accommodating cavity, the heat dissipation assembly comprises a first heat dissipation piece and a second heat dissipation piece, the first heat dissipation piece is connected with one side, close to the lens, of the heating element, and the second heat dissipation piece is connected with one side, far away from the lens, of the heating element; the first heat dissipation piece is provided with a first heat dissipation fin extending towards the direction of the lens, and the second heat dissipation piece is provided with a second heat dissipation fin extending away from the direction of the lens.

According to the imaging device provided by the embodiment of the utility model, the imaging device is suitable for the accurate heat dissipation of the high-pixel imaging device, the application range is enlarged, the heat of the heating element can be rapidly led out by arranging the first heat dissipation piece and the second heat dissipation piece on the two opposite sides of the heating element respectively, the first heat dissipation fins are arranged on the first heat dissipation piece, the second heat dissipation fins are arranged on the second heat dissipation piece, the air can be rapidly exchanged with the air, the air flow can be guided, the heat in the accommodating cavity can be rapidly led out of the shell, the heat dissipation efficiency and the heat dissipation effect are effectively improved, and the reliability and the safety of the imaging device are improved.

In some embodiments, the first heat sink comprises: the heat-conducting plate is provided with a mounting position, and the plurality of first heat-radiating fins are arranged at intervals in the circumferential direction of the mounting position.

The plurality of first radiating fins are provided with fins extending along the radial direction of the first heat conducting plate, fins extending along the axial direction of the first heat conducting plate and fins extending along the circumferential direction of the first heat conducting plate.

In some embodiments, the second heat sink comprises: the projection profile of the second heat conduction plate in the radial direction of the shell is polygonal, and the projection profile of the second heat conduction plate is positioned inside the projection profile of the heating element.

Specifically, the second heat dissipation fins have bending fins and fins extending along the radial direction of the second heat conduction plate.

In some embodiments, the housing has a main body and a cover detachably mounted on the main body, the cover is provided with a mounting hole, an extension is provided at the periphery of the mounting hole, and at least part of the lens protrudes into the extension.

Specifically, the main body is provided with a plurality of side plates, and each side plate is provided with a plurality of air vents which are arranged at intervals.

Further, the shell further comprises a ventilation film fixed on the side plate, and the ventilation film is arranged corresponding to the ventilation opening.

In some embodiments, the camera device further comprises a fan mounted on the housing.

The vehicle according to the embodiment of the utility model comprises the image pickup device in the embodiment, and the image pickup device is connected with a vehicle controller through a connecting piece.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

fig. 1 is a split schematic diagram of an image pickup apparatus according to an embodiment of the present utility model;

fig. 2 is a schematic structural view of an image pickup apparatus according to an embodiment of the present utility model;

fig. 3 is a rear view of the image pickup apparatus according to the embodiment of the present utility model;

FIG. 4 is a cross-sectional view taken along the direction A in FIG. 3;

FIG. 5 is a schematic view of a first heat sink according to an embodiment of the present utility model;

FIG. 6 is a schematic structural view of a second heat sink according to an embodiment of the present utility model;

fig. 7 is a side view of a second heat sink according to an embodiment of the present utility model.

Reference numerals:

the image pickup apparatus 100 is configured to,

the lens barrel 10 is configured to receive a lens barrel,

the housing 20 is configured to be positioned over the opening,

the cover 21, the extension 211,

the body 22, side plates 221, vents 2211, mounting posts 2212, grooves 2213, back plate 222,

the air-permeable membrane 23,

a heating element 30, a first heating chip 31, a second heating chip 32,

the heat sink assembly 40,

the first heat sink 41, the first heat conductive plate 411, the mounting locations 4111, the first heat dissipation fins 412,

second heat sink 42, second heat conductive plate 421, first side 4211, second side 4212, sloped segment 42121, vertical segment 42122, second heat sink fin 422, bent fin 4222, sloped fin 42221, vertical fin 42222,

fan 50, connector 60, and thermally conductive sheet 70.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

An image pickup apparatus 100 according to an embodiment of the present utility model is described below with reference to fig. 1 to 7.

As shown in fig. 1 and fig. 4 to 7, an image capturing apparatus 100 according to an embodiment of the present utility model includes: lens 10, housing 20, heating element 30 and heat dissipation assembly 40.

The lens 10 is fixedly connected with the shell 20, and the shell 20 is provided with a containing cavity; the heating element 30 and the heat dissipation assembly 40 are arranged in the accommodating cavity, the heat dissipation assembly 40 comprises a first heat dissipation piece 41 and a second heat dissipation piece 42, the first heat dissipation piece 41 is connected with one side, close to the lens 10, of the heating element 30, the second heat dissipation piece 42 is connected with one side, far away from the lens 10, of the heating element 30, wherein the first heat dissipation piece 41 is provided with a first heat dissipation fin 412 extending towards the direction of the lens 10, and the second heat dissipation piece 42 is provided with a second heat dissipation fin 422 extending towards the direction far away from the lens 10.

Specifically, the housing 20 has a rectangular structure, the lens 10 is connected to the front side of the housing 20, and may be fixedly connected by a threaded connection, a fastening connection, or other means, and the housing 20 defines a receiving cavity in which the heating element 30, the heat dissipating assembly 40, and other components may be received. The heat dissipation component 40 is attached to the heating element 30 and is used for guiding out heat generated by the operation of the heating element 30, the heat dissipation component 40 is composed of a first heat dissipation element 41 and a second heat dissipation element 42, the first heat dissipation element 41 and the second heat dissipation element 42 are respectively arranged on two opposite sides of the heating element 30, and the heat generated by the operation of the heating element 30 is transferred to the first heat dissipation element 41 and the second heat dissipation element 42.

It should be noted that, the first heat dissipation fins 412 and the second heat dissipation fins 422 are in a sheet structure, and have a larger contact area with air, so that the contact area is larger, and the heat can be quickly exchanged with the air, the first heat dissipation fins 412 and the second heat dissipation fins 422 extend towards the direction away from the heating element 30, so as to dissipate heat into the air away from the heating element 30, and the first heat dissipation fins 412 and the second heat dissipation fins 422 can guide the air flow to make the hot air in the accommodating cavity discharge out of the housing 20.

According to the image pickup device 100 of the embodiment of the utility model, the image pickup device 100 is suitable for the accurate heat dissipation of the high-pixel image pickup device 100, the application range is enlarged, the heat of the heating element 30 can be rapidly led out by respectively arranging the first heat dissipation part 41 and the second heat dissipation part 42 on two opposite sides of the heating element 30, the first heat dissipation fins 412 are arranged on the first heat dissipation part 41, the second heat dissipation fins 422 are arranged on the second heat dissipation part 42, the heat can be rapidly exchanged with air, the air flow can be guided, the heat in the accommodating cavity can be rapidly led out of the shell 20, the heat dissipation efficiency and the heat dissipation effect are effectively improved, and the reliability and the safety of the image pickup device 100 are improved.

As shown in fig. 1 and 5, in some embodiments, the first heat sink 41 includes: the first heat conducting plate 411 and a plurality of first heat radiating fins 412, wherein the first heat conducting plate 411 is provided with a mounting position 4111, and the plurality of first heat radiating fins 412 are arranged at intervals in the circumferential direction of the mounting position 4111.

Specifically, a first heat-conducting plate 411 and a heat-generating element 30 are disposed between the first heat-conducting plate 411 and the heat-generating element 30, the first heat-generating chip 31 is attached to a central position of a side, close to the lens 10, of the heat-generating element 30, a side, close to the heat-generating element 30, of the first heat-conducting plate 411 is attached to a side, close to the lens 10, of the heat-generating element 30, a mounting position 4111 is formed in the position, corresponding to the first heat-generating chip 31, of the first heat-conducting plate 411, the mounting position 4111 penetrates through the first heat-conducting plate 411, the first heat-generating chip 31 is matched in the mounting position 4111, a plurality of first heat-dissipating fins 412 are disposed at intervals on a side, far from the heat-generating element 30, of the first heat-conducting plate 411, a heat-dissipating channel is formed between the adjacent first heat-dissipating fins 412, heat generated by the heat-generating element 30 is transferred to the first heat-dissipating fins 412, and the heat is dissipated to the air in the heat-dissipating channel through the first heat-dissipating fins 412.

In this way, the heat of the heating element 30 can be transferred to the first heat dissipation member 41 more quickly, and the plurality of first heat dissipation fins 412 are disposed in the circumferential direction of the mounting position 4111, so as to form a heat dissipation channel, which is beneficial to quick heat exchange, improves heat dissipation efficiency, and can improve heat dissipation uniformity.

As shown in fig. 5, specifically, the plurality of first heat dissipation fins 412 have fins extending radially along the first heat conduction plate 411, fins extending axially along the first heat conduction plate 411, and fins extending circumferentially along the first heat conduction plate 411.

It should be noted that, the extending directions of the plurality of first heat dissipation fins 412 are different, fins extending along the radial direction of the first heat conduction plate 411 are disposed on two sides of the radial direction of the mounting location 4111, fins extending along the axial direction of the first heat conduction plate 411 are disposed on two sides of the axial direction of the mounting location 4111, and extend from the edge of the mounting location 4111 toward the edge of the first heat conduction plate 411, and the edge of the first heat conduction plate 411 is provided with fins having a shape consistent with the shape of the periphery thereof. The plurality of first heat dissipation fins 412 are disposed opposite to each other centering on the axis of the first heat conduction plate 411. In this way, the heat dissipation directions of the plurality of first heat dissipation fins 412 are different, and the heat dissipation area and the heat dissipation effect can be increased.

As shown in fig. 1 and 6-7, in some embodiments, the second heat sink 42 includes: the projection profile of the second heat conductive plate 421 in the radial direction of the housing 20 is polygonal, and the projection profile of the second heat conductive plate 421 is located inside the projection profile of the heating element 30.

Specifically, one side of the second heat-conducting plate 421 close to the heating element 30 is attached to one side of the heating element 30 far away from the lens 10, a second heating chip 32 is disposed between the heating element 30 and the second heat-conducting plate 421, one side of the second heating chip 32 close to the heating element 30 is attached to the heating element 30, one side of the second heating element 30 far away from the heating element 30 is connected with a heat-conducting sheet 70, the heat-conducting sheet 70 is connected with the second heat-conducting plate 421, a plurality of second heat-dissipating fins 422 are disposed at intervals on one side of the second heat-conducting plate 421 far away from the heating element 30, a heat-dissipating channel is formed between the adjacent second heat-dissipating fins 422, and after heat generated by the heating element 30 is transferred to the second heat-conducting plate 421, the heat is further transferred to the second heat-dissipating fins 422, and the heat is dissipated into air in the heat-dissipating channel through the second heat-dissipating fins 422.

It should be noted that, the area of the second heat-conducting plate 421 is smaller than that of the heating element 30, the second heat-conducting plate 421 has a first side 4211 and a second side 4212, wherein the first side 4211 is parallel to the heating element 30, the second side 4212 is bent and arranged, and includes two inclined sections 42121 and a vertical section 42122, the vertical section 42122 is parallel to one end of the second heat-conducting plate 421, the vertical section 42122 is located at the middle position, two ends of the vertical section 42122 are respectively connected with one inclined section 42121, and an included angle between the vertical section 42122 and the two inclined sections 42121 is the same.

In this way, the heat of the heating element 30 can be transferred to the second heat dissipation member 42, and the plurality of second heat dissipation fins 422 are arranged to form a heat dissipation channel, so that the rapid heat exchange is facilitated, the heat dissipation efficiency is improved, and the second heat dissipation member 42 is arranged to be polygonal and the area of the second heat dissipation member is smaller than that of the heating element 30, so that an avoidance space can be formed to avoid other components, so that the space layout is more reasonable.

As shown in fig. 6 and 7, in particular, the plurality of second heat dissipation fins 422 have bending fins 4222 and fins extending radially along the second heat conductive plate 421.

It should be noted that, the extending directions of the plurality of second heat dissipation fins 422 are different, the second heat conduction plate is provided with a plurality of fins which are spaced apart from each other and extend radially along the second heat conduction plate, and a plurality of bending fins 4222 which are spaced apart from each other are provided at a position close to the second side.

It should be noted that, the bent fin 4222 is composed of an inclined fin 42221 and a vertical fin 42222, the bent fin 4222 located at the second side is identical to the shape of the second side, the length of the vertical fin 42222 is gradually increased toward the first side, the length of the inclined fin 42221 is gradually decreased, and the centers of the vertical fins 42222 of the other bent fins 4222 except the bent fin 4222 located at the second side are broken to form two vertical fins with shorter lengths. The fins extending radially along the second heat-conducting plate 421 are spaced from the bent fins 4222 adjacent thereto, and the projection profile of the plurality of fins extending radially along the second heat-conducting plate 421 with respect to the first side plate 221 coincides with the projection profile of the vertical fins 42222 adjacent thereto with respect to the first side edge.

By the arrangement, the space on the second heat conducting plate 421 can be more reasonably utilized, so that more second heat radiating fins 422 are arranged on the second heat conducting plate 421, the heat radiating area is further increased, and the heat radiating directions of the plurality of first heat radiating fins 412 are different, so that the heat radiating effect can be improved.

As shown in fig. 1-2 and 4, in some embodiments, the housing 20 has a main body 22 and a cover 21, the cover 21 is detachably mounted on the main body 22, the cover 21 is provided with a mounting hole, an extension 211 is provided on the periphery of the mounting hole, and at least a part of the lens 10 extends into the extension 211.

Specifically, the cover 21 is a front side of the housing 20, and is connected with the main body 22 to form a rectangular housing 20, a mounting hole is provided in the center of the cover 21, the mounting hole penetrates through the cover 21, an extension portion 211 is further provided on the cover 21, the extension portion 211 is configured as a cylindrical sleeve, one end of the extension portion 211 is connected with the cover 21 and is located in the circumferential direction of the mounting hole, the other end of the extension portion extends in a direction away from the main body 22 (i.e., forwards), and the lens 10 is mounted on the front side of the cover 21, and one end of the extension portion 211 extends into the extension portion 211. The arrangement is simple in structure and convenient to install, the extension part 211 is arranged to be convenient for fixing the lens 10, the lens 10 can be better protected, and the safety of the lens 10 is improved.

As shown in fig. 1, specifically, the main body 22 has a plurality of side plates 221, and each side plate 221 has a plurality of ventilation ports 2211 disposed at intervals.

Specifically, the main body 22 has four side plates 221, and the four side plates 221 are spliced to form four sides of the housing 20, and each side plate 221 is provided with a plurality of air vents 2211, and the shape of the air vents 2211 is not limited, and may be wave-shaped, linear, circular, or the like.

It should be noted that, the air port 2211 is communicated with the accommodating cavity, air outside the housing 20 may enter the accommodating cavity through the air port 2211, and air in the accommodating cavity may also be discharged through the air port 2211 to form air convection, so that air in the accommodating cavity may exchange with air outside the housing 20, and during the air exchange process, heat generated by the operation of the heating element 30 in the accommodating cavity is dissipated and discharged outside the housing 20.

Like this, through setting up the air vent 2211, can make hold the intracavity portion and realize air convection with the outside to take away the heat that holds in the chamber, further promoted heat dispersion, can realize quick heat dissipation.

As shown in fig. 1, further, the housing 20 further includes a ventilation film 23 fixed to the side plate 221, and the ventilation film 23 is disposed corresponding to the ventilation port 2211.

Specifically, a ventilation film 23 is correspondingly arranged on each side plate 221, a groove 2213 is formed in each side plate 221, the grooves 2213 are correspondingly arranged in the area where the side plates 221 are provided with the ventilation openings 2211, the ventilation film 23 is attached in the grooves 2213, the ventilation film 23 can play a role in waterproof ventilation, the ventilation film 23 is correspondingly arranged in the ventilation openings 2211, the inside of the accommodating cavity can be ensured to exchange with the outside air, and the outside water vapor dust can be prevented from entering the accommodating cavity.

As shown in fig. 1, in some embodiments, the image capture device 100 further includes a fan 50 mounted to the housing 20. The fan 50 erects outside curb plate 221, and the curb plate 221 outside of connecting fan 50 is equipped with erection column 2212, and fan 50 passes through the fastener to be fixed on erection column 2212, and fan 50 and hold the chamber intercommunication, and it can blow the air that holds the intracavity to the drive holds the air flow in the intracavity, and then takes away the heat that holds the intracavity, like this, can increase the velocity of flow that holds intracavity air through setting up fan 50, has further promoted the heat dispersion.

As shown in fig. 1 to 3, a vehicle according to an embodiment of the present utility model includes an image pickup apparatus 100 in the above-described embodiment, and the image pickup apparatus 100 is connected to a vehicle controller through a connection member 60. The casing 20 further comprises a backplate 222, the backplate 222 is arranged opposite to the cover 21, the backplate 222 is the rear side of the casing 20, one end of the connecting piece 60 is connected with the backplate 222, the other end of the connecting piece 60 is connected with the vehicle controller, the fan 50 is provided with a wire harness, the wire harness is also connected to the vehicle controller, the camera device 100 is provided with a detecting piece, the heating element 30 is provided with a thermistor, when the detecting piece detects that the heat of the heating element 30 exceeds a set heat threshold value, the detecting piece transmits a signal to the vehicle controller through the connecting piece 60, the vehicle controller controls the fan 50 to work so as to rapidly lead out the heat in the accommodating cavity, the autonomous heat dissipation of the camera device 100 is realized, and the heat dissipation performance is improved.

In the description of the present utility model, it should be understood that the terms "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element in question must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

In the description of the utility model, a "first feature" or "second feature" may include one or more of such features.

In the description of the present utility model, "plurality" means two or more.

In the description of the utility model, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, and may also include the first and second features not being in direct contact but being in contact with each other by another feature therebetween.

In the description of the utility model, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature.

In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. An image pickup apparatus, comprising:

a lens;

the lens is fixedly connected with the shell, and the shell is provided with an accommodating cavity;

a heating element;

the heat dissipation assembly is arranged in the accommodating cavity and comprises a first heat dissipation part and a second heat dissipation part, the first heat dissipation part is connected with one side, close to the lens, of the heat generation element, and the second heat dissipation part is connected with one side, far away from the lens, of the heat generation element;

the first heat dissipation piece is provided with a first heat dissipation fin extending towards the direction of the lens, and the second heat dissipation piece is provided with a second heat dissipation fin extending away from the direction of the lens.

2. The image pickup apparatus according to claim 1, wherein the first heat sink includes: the heat-conducting plate is provided with a mounting position, and the plurality of first heat-radiating fins are arranged at intervals in the circumferential direction of the mounting position.

3. The image pickup apparatus according to claim 2, wherein the plurality of first heat radiation fins have fins extending radially along the first heat conduction plate, fins extending axially along the first heat conduction plate, and fins extending circumferentially along the first heat conduction plate.

4. The image pickup apparatus according to claim 1, wherein the second heat sink includes: the projection profile of the second heat conduction plate in the radial direction of the shell is polygonal, and the projection profile of the second heat conduction plate is positioned inside the projection profile of the heating element.

5. The image pickup device according to claim 4, wherein the plurality of second heat dissipation fins have bent fins and fins extending radially along the second heat conduction plate.

6. The image pickup apparatus according to claim 1, wherein the housing has a main body and a cover body detachably mounted on the main body, the cover body is provided with a mounting hole, and an extension portion is provided at an outer periphery of the mounting hole, and at least part of the lens protrudes into the extension portion.

7. The imaging apparatus according to claim 6, wherein the main body has a plurality of side plates, each side plate having a plurality of ventilation openings disposed therein at intervals.

8. The image capturing apparatus of claim 7, wherein the housing further comprises a gas permeable membrane secured to the side plate, the gas permeable membrane being disposed in correspondence with the vent.

9. The image pickup apparatus according to claim 1, further comprising a fan mounted on the housing.

10. A vehicle, characterized by comprising: the camera device of any one of claims 1-9, which is connected to a vehicle controller via a connection.