CN220359240U - Vehicle-mounted camera and vehicle - Google Patents
Vehicle-mounted camera and vehicle Download PDFInfo
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- CN220359240U CN220359240U CN202321790405.0U CN202321790405U CN220359240U CN 220359240 U CN220359240 U CN 220359240U CN 202321790405 U CN202321790405 U CN 202321790405U CN 220359240 U CN220359240 U CN 220359240U
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- 238000009833 condensation Methods 0.000 claims abstract description 37
- 230000005494 condensation Effects 0.000 claims abstract description 37
- 238000007789 sealing Methods 0.000 claims description 8
- 230000017525 heat dissipation Effects 0.000 claims description 4
- 230000013011 mating Effects 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 description 7
- 230000002349 favourable effect Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000000889 atomisation Methods 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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Abstract
The utility model discloses a vehicle-mounted camera and a vehicle, wherein the vehicle-mounted camera comprises a shell, a circuit board module, a lens and a heat conduction structure; the circuit board module is fixedly arranged on the shell; the lens comprises a lens barrel and a lens, wherein the lens barrel is arranged in the shell, and the lens is embedded in the lens barrel and is provided with a condensation critical surface deviating from the external environment; the heat conduction structure comprises a first heat conduction structure and a second heat conduction structure, the first heat conduction structure is arranged between the lens cone and the shell, and the second heat conduction structure is arranged between the lens cone and the condensation critical surface. The technical scheme of the utility model can solve the problem of air exposure generated in the vehicle-mounted camera.
Description
Technical Field
The utility model relates to the technical field of vehicle-mounted cameras, in particular to a vehicle-mounted camera and a vehicle.
Background
The vehicle-mounted camera is used as an eye of the intelligent automobile, has a great effect on the aspect of auxiliary driving, and provides important visual information. Because the functional requirement on the vehicle-mounted camera is increased, for example, higher definition needs to be realized by lifting the camera pixels, the power consumption of the camera is increased, the air temperature inside the camera is higher than the air temperature outside the camera, and when the temperature difference reaches the dew point temperature, the air exposure is generated inside the camera, so that white atomization is caused in a display picture on a video image, scenery and objects are not seen clearly, and great potential safety hazards exist.
Disclosure of Invention
The utility model mainly aims to provide a vehicle-mounted camera and aims to solve the problem that air dew is generated inside the vehicle-mounted camera.
In order to achieve the above object, the present utility model provides a vehicle-mounted camera, comprising:
a housing;
the circuit board module is fixedly arranged on the shell;
the lens comprises a lens barrel and a lens, wherein the lens barrel is arranged in the shell, and the lens is embedded in the lens barrel and is provided with a condensation critical surface deviating from the external environment; and
the heat conduction structure comprises a first heat conduction structure and a second heat conduction structure, wherein the first heat conduction structure is arranged between the lens cone and the shell, and the second heat conduction structure is arranged between the lens cone and the condensation critical surface.
Optionally, the casing includes first shell portion and second shell portion, first shell portion with the second shell portion connects and forms the acceping chamber that supplies circuit board module installs, first shell portion be equipped with acceping the via hole of chamber intercommunication, the lens cone install in acceping the via hole, and with acceping be equipped with between the pore wall of via hole the first heat conduction structure.
Optionally, the circuit board module is locked in the first shell through screws.
Optionally, the first shell portion is a thermally conductive shell.
Optionally, the second shell portion is a thermally conductive shell;
and/or the outer wall surface of the second shell part is provided with a heat dissipation structure.
Optionally, the lens cone includes first barrel and second barrel, first barrel with be connected with the step between the second barrel, the step has the step face, the lens inlays and locates in the first barrel, and with be equipped with between the step face the second heat conduction structure, the second barrel with be equipped with between the casing the first heat conduction structure.
Optionally, a sealing ring is sandwiched between the step surface and the lens, and the sealing ring is located between the second heat conducting structure and the wall of the first cylinder.
Optionally, the first heat conducting structure and/or the second heat conducting structure are configured as a heat conducting protrusion and a heat conducting groove that are matched.
Optionally, the first and/or second thermally conductive structure is configured as a thermally conductive medium.
The utility model also provides a vehicle comprising the vehicle-mounted camera.
According to the technical scheme, the first heat conducting structure and the second heat conducting structure are arranged in the vehicle-mounted camera, and the first heat conducting structure and the second heat conducting structure are utilized to be arranged at specific positions in the vehicle-mounted camera, namely, the first heat conducting structure is arranged between the lens barrel and the shell, the second heat conducting structure is arranged between the lens barrel and the condensation critical surface, so that a heat conducting path is changed, heat is conducted to the lens, the temperature outside the condensation critical surface is gradually increased, the temperature difference between the inner side and the outer side of the condensation critical surface is reduced, fog is effectively prevented from being generated inside the condensation critical surface, and potential safety hazards are reduced.
Compared with the prior art, through increasing extra heating circuit and relevant components and parts, the application utilizes the heat of the circuit board module of former camera to reduce the difference in temperature of the inside and outside of dew critical surface, has both been favorable to reducing the quantity of circuit, device etc. reduce cost, reduces the whole volume of on-vehicle camera, still is convenient for promote the holistic manufacturing beat of on-vehicle camera, and guarantees on-vehicle camera's reliability of use, reduces the inefficacy risk of on-vehicle camera original function because of extra heating circuit and components and parts that increase lead to.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a cross-sectional view of an embodiment of the vehicle camera of the present utility model.
Reference numerals illustrate:
| reference numerals | Name of the name | Reference numerals | Name of the name |
| 10 | Shell body | 312 | Second cylinder |
| 11 | A first shell portion | 313 | Step |
| 111 | Accommodating via hole | 32 | Lens |
| 12 | A second shell portion | 321 | Critical surface of condensation |
| 20 | Circuit board module | 33 | Sealing ring |
| 30 | Lens | 41 | First heat conduction structure |
| 31 | Lens barrel | 42 | Second heat conduction structure |
| 311 | First cylinder body |
The achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the present utility model, unless specifically stated and limited otherwise, the terms "connected," "affixed," and the like are to be construed broadly, and for example, "affixed" may be a fixed connection, a removable connection, or an integral body; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
It should be noted that, if directional indications (such as up, down, left, right, front, and rear … …) are included in the embodiments of the present utility model, the directional indications are merely used to explain the relative positional relationship, movement conditions, etc. between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are correspondingly changed.
In addition, if there is a description of "first", "second", etc. in the embodiments of the present utility model, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" as it appears throughout is meant to include three side-by-side schemes, for example, "a and/or B", including a scheme, or B scheme, or a scheme that is satisfied by both a and B. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.
The utility model provides a vehicle-mounted camera.
Referring to fig. 1, in an embodiment of the present utility model, the vehicle-mounted camera includes a housing 10, a circuit board module 20, a lens 30, and a heat conducting structure; the circuit board module 20 is fixedly arranged on the shell 10; the lens 30 includes a lens barrel 31 and a lens 32, the lens barrel 31 is mounted on the housing 10, the lens 32 is embedded in the lens barrel 31, and has a condensation critical surface 321 facing away from the external environment; the heat conducting structure comprises a first heat conducting structure 41 and a second heat conducting structure 42, the first heat conducting structure 41 is arranged between the lens cone 31 and the shell 10, and the second heat conducting structure 42 is arranged between the lens cone 31 and the condensation critical surface 321, so that the problem that air is exposed inside the vehicle-mounted camera is solved.
The condensation inside the camera is influenced by the temperature and the relative humidity during the manufacture of the camera and the temperature of the external environment, namely, after the camera is manufactured into a finished product, the surface temperature of the lens 32 close to the outermost side, which is in contact with the external environment, and the temperature difference between the surface temperature of the lens 32, which is away from the condensation critical surface 321 of the external environment, are caused, in other words, the temperature difference between the inner side and the outer side of the lens 32 is changed, so that the condensation inside the camera can be effectively prevented.
The circuit board module 20 can produce heat at the during operation for the air temperature in the casing 10 increases, and then, lead to the inside temperature of the critical surface 321 of dewing of lens 32 to be greater than the outside temperature of critical surface 321 of dewing, i.e. with the surface temperature of external environment contact, the lens 32 produces dew in the critical surface 321 inboard this moment, consequently, through setting up first heat conduction structure 41 and second heat conduction structure 42 in the on-vehicle camera, utilize first heat conduction structure 41 and second heat conduction structure 42 to set up in the concrete setting position in the on-vehicle camera, i.e. first heat conduction structure 41 establishes between lens cone 31 and casing 10, second heat conduction structure 42 establishes between lens cone 31 and critical surface 321 of dewing, change the conduction path of heat, with heat conduction to lens 32, so that the outside temperature of critical surface 321 rises gradually, reduce the inside and outside difference in critical surface 321 of dewing, effectively prevent the inside fog of critical surface 321 of dewing, reduce the appearance of potential safety hazard.
Compared with the prior art, through increasing extra heating circuit and relevant components and parts, this application utilizes the heat of the circuit board module 20 of former camera to reduce the difference in temperature of the inside and outside of dew critical surface 321, both is favorable to reducing the quantity of circuit, devices etc., reduce cost, reduce the whole volume of on-vehicle camera, still be convenient for promote the holistic manufacturing beat of on-vehicle camera, and guarantee the reliability of use of on-vehicle camera, reduce the inefficacy risk of on-vehicle camera original function because of extra heating circuit and components and parts that increase lead to.
According to the technical scheme, the first heat conduction structure 41 and the second heat conduction structure 42 are arranged in the vehicle-mounted camera, and the specific arrangement positions of the first heat conduction structure 41 and the second heat conduction structure 42 in the vehicle-mounted camera are utilized, namely, the first heat conduction structure 41 is arranged between the lens barrel 31 and the shell 10, the second heat conduction structure 42 is arranged between the lens barrel 31 and the condensation critical surface 321, so that a heat conduction path is changed, heat is conducted to the lens 32, the temperature outside the condensation critical surface 321 is gradually increased, the temperature difference between the inner side and the outer side of the condensation critical surface 321 is reduced, fog on the inner side of the condensation critical surface 321 is effectively prevented, and the occurrence of potential safety hazards is reduced.
Compared with the prior art, through increasing extra heating circuit and relevant components and parts, this application utilizes the heat of the circuit board module 20 of former camera to reduce the difference in temperature of the inside and outside of dew critical surface 321, both is favorable to reducing the quantity of circuit, devices etc., reduce cost, reduce the whole volume of on-vehicle camera, still be convenient for promote the holistic manufacturing beat of on-vehicle camera, and guarantee the reliability of use of on-vehicle camera, reduce the inefficacy risk of on-vehicle camera original function because of extra heating circuit and components and parts that increase lead to.
Referring to fig. 1, in an embodiment, the housing 10 includes a first housing part 11 and a second housing part 12, where the first housing part 11 and the second housing part 12 are connected to form a housing cavity for mounting the circuit board module 20, the first housing part 11 is provided with a housing via hole 111 communicating with the housing cavity, the lens barrel 31 is mounted on the housing via hole 111, and the first heat conducting structure 41 is disposed between the lens barrel 31 and a wall of the housing via hole 111, and it is understood that the circuit board module 20 is mounted in the housing 10, where the circuit board module 20 can be mounted on the first housing part 11 and/or the second housing part 12, and the generated heat has three conductive paths, namely: the generated heat is conducted to the first shell 11, and as the first heat conducting structure 41 is arranged between the lens cone 31 and the hole wall of the accommodating through hole 111, and the second heat conducting structure 42 is arranged between the lens cone 31 and the condensation critical surface 321, the first heat conducting structure 41 and the second heat conducting structure 42 are matched, so that the conduction speed of the heat towards the lens cone 31 is accelerated, and meanwhile, the lens 32 is effectively heated, the temperature outside the condensation critical surface 321 is increased, and the temperature difference between the inner side and the outer side of the condensation critical surface 321 is reduced; a second conductive path: the generated heat is conducted to the first shell part 11 and is conducted to the external environment by the first shell part 11, so that the temperature inside the camera is reduced, the temperature inside the condensation critical surface 321 is reduced, and the temperature difference between the inner side and the outer side of the condensation critical surface 321 is reduced; third conductive path: the generated heat is conducted to the external environment through the second shell portion 12, and the temperature inside the condensation critical surface 321 is reduced, thereby reducing the temperature difference between the inside and the outside of the condensation critical surface 321.
Further, in an embodiment, the circuit board module 20 is locked in the first shell 11 by a screw, so that the generated heat is conveniently concentrated and conducted to the first shell 11, part of the heat is conducted to the external environment by the first heat conducting structure 41, the rest of the heat is conducted and heated to the lens 32 by the first heat conducting structure 41 and the second heat conducting structure 42, and meanwhile, the temperature of the inner side and the outer side of the condensation critical surface 321 is adjusted, so that the temperature difference of the inner side and the outer side of the condensation critical surface 321 is reduced.
Specifically, in an embodiment, the first shell 11 is a heat-conducting shell, the first shell 11 may be made of a material with higher heat-conducting efficiency, so that the first shell 11 can absorb and dissipate heat generated by the circuit board module 20, the temperature inside the condensation critical surface 321 is reduced, and meanwhile, part of heat is conducted to the lens 32 through the first heat-conducting structure 41 and the second heat-conducting structure 42, the outside of the condensation critical surface 321 is heated, and the temperature outside the condensation critical surface 321 is increased.
Specifically, in an embodiment, the second shell portion 12 is a heat-conducting shell, and the second shell portion 12 may be made of a material with high heat-conducting efficiency, so that the second shell portion 12 is convenient to absorb and dissipate heat generated by the circuit board module 20, and the temperature inside the condensation critical surface 321 is reduced.
Further, in an embodiment, the heat dissipation structure, such as fins, is disposed on the outer wall surface of the second shell portion 12, which is beneficial to improving the heat dissipation efficiency of the second shell portion 12 by increasing the contact area between the second shell portion 12 and the external environment. And through the cooperation setting of second shell portion 12 for heat conduction casing and heat radiation structure, be favorable to further promoting the radiating efficiency of second shell portion 12, combine first shell portion 11 to be the setting of heat conduction casing, improve the difference in temperature of the inside and outside of dew critical surface 321 to a great extent.
Referring to fig. 1, in an embodiment, the lens barrel 31 includes a first cylinder 311 and a second cylinder 312, a step 313 is connected between the first cylinder 311 and the second cylinder 312, the step 313 has a step surface, the lens 32 is embedded in the first cylinder 311, the second heat conducting structure 42 is disposed between the step surface and the step surface, the first heat conducting structure 41 is disposed between the second cylinder 312 and the housing 10, it can be appreciated that the step 313 abuts against a periphery of the accommodating via hole 111, the second cylinder 312 extends into the accommodating via hole 111, and the first heat conducting structure 41 is disposed between the second cylinder 312 and a wall of the accommodating via hole 111, so that the lens barrel 31 is convenient to be mounted to the first housing portion 11 of the housing 10, and the depth of the lens barrel 31 extending into the accommodating via hole 111 of the first housing portion 11 is limited.
Wherein, be equipped with between lens 32 and the step face the second heat conduction structure 42, and step 313 and first shell portion 11 looks butt, and then, when the heat of first shell portion 11 conducts to second barrel 312 through first heat conduction structure 41, and when conducting to lens 32, the heat of first shell portion 11 still accessible step 313 conducts to the step face to conduct to lens 32 through second heat conduction structure 42, with the heating dew critical surface 321 outside, improve the temperature outside dew critical surface 321, thereby reduce the difference in temperature outside dew critical surface 321.
Referring to fig. 1, in an embodiment, a sealing ring 33 is sandwiched between the step surface and the lens 32, and the sealing ring 33 is located between the second heat conducting structure 42 and the wall of the first cylinder 311, and the vehicle-mounted camera is generally mounted on the outside of the vehicle, so that the sealing ring 33 can reduce the occurrence of moisture entering the lens 30 in the air in a high humidity environment such as rainy environment, and can reduce the influence on the second heat conducting structure 42.
Optionally, in an embodiment, the first heat conducting structure 41 and/or the second heat conducting structure 42 are configured as a heat conducting protrusion and a heat conducting groove, which are matched with each other, so that an effective contact area between the lens barrel 31 and the housing 10 and an effective contact area between the lens barrel 31 and the condensation critical surface 321 can be increased, thereby increasing a heat conducting area and improving heat conducting efficiency. Specifically, the heat conducting protrusions may be annular structures, screw structures, for example, the first heat conducting structures 41 may be mating screw protrusions and screw grooves, or mating ring protrusions and ring grooves. The second heat conductive structure 42 is a mating annular protrusion and groove, etc. The heat conductive protrusion may be provided in plurality.
Optionally, in an embodiment, the first heat conducting structure 41 and/or the second heat conducting structure 42 are configured as a heat conducting medium, and the heat conducting medium is filled between the lens barrel 31 and the housing 10 and between the lens barrel 31 and the condensation critical surface 321, so that a gap between the lens barrel 31 and the housing 10 and a gap between the lens barrel 31 and the condensation critical surface 321 are effectively reduced, and further an effective contact area between the lens barrel 31 and the housing 10 and an effective contact area between the lens barrel 31 and the condensation critical surface 321 are increased, thereby increasing a heat conducting area and improving heat conducting efficiency. The heat conducting medium may be a heat conducting adhesive material.
The utility model also provides a vehicle, which comprises a vehicle-mounted camera, wherein the specific structure of the vehicle-mounted camera refers to the embodiment, and the vehicle adopts all the technical schemes of all the embodiments, so that the vehicle has at least all the beneficial effects brought by the technical schemes of the embodiments, and the description is omitted herein.
The foregoing description is only of the optional embodiments of the present utility model, and is not intended to limit the scope of the utility model, and all the equivalent structural changes made by the description of the present utility model and the accompanying drawings or the direct/indirect application in other related technical fields are included in the scope of the utility model.
Claims (10)
1. A vehicle-mounted camera, comprising:
a housing;
the circuit board module is fixedly arranged on the shell;
the lens comprises a lens barrel and a lens, wherein the lens barrel is arranged in the shell, and the lens is embedded in the lens barrel and is provided with a condensation critical surface deviating from the external environment; and
the heat conduction structure comprises a first heat conduction structure and a second heat conduction structure, wherein the first heat conduction structure is arranged between the lens cone and the shell, and the second heat conduction structure is arranged between the lens cone and the condensation critical surface.
2. The vehicle-mounted camera of claim 1, wherein the housing comprises a first housing part and a second housing part, the first housing part and the second housing part are connected to form a housing cavity for mounting the circuit board module, the first housing part is provided with a housing via hole communicated with the housing cavity, the lens barrel is mounted in the housing via hole, and the first heat conducting structure is arranged between the lens barrel and a hole wall of the housing via hole.
3. The vehicle camera of claim 2, wherein the circuit board module is secured within the first housing portion by screws.
4. The vehicle camera of claim 2, wherein the first housing portion is a thermally conductive housing.
5. The vehicle camera of claim 2, wherein the second housing portion is a thermally conductive housing;
and/or the outer wall surface of the second shell part is provided with a heat dissipation structure.
6. The vehicle-mounted camera of claim 1, wherein the lens barrel comprises a first barrel body and a second barrel body, a step is connected between the first barrel body and the second barrel body, the step is provided with a step surface, the lens is embedded in the first barrel body, the second heat conduction structure is arranged between the lens and the step surface, and the first heat conduction structure is arranged between the second barrel body and the shell.
7. The vehicle camera of claim 6, wherein a sealing ring is sandwiched between the step surface and the lens, and the sealing ring is located between the second heat conducting structure and the wall of the first barrel.
8. The vehicle camera of claim 1, wherein the first and/or second thermally conductive structures are configured as mating thermally conductive protrusions and thermally conductive recesses.
9. The vehicle camera of claim 1, wherein the first and/or second thermally conductive structures are configured as thermally conductive media.
10. A vehicle comprising an onboard camera as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321790405.0U CN220359240U (en) | 2023-07-07 | 2023-07-07 | Vehicle-mounted camera and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321790405.0U CN220359240U (en) | 2023-07-07 | 2023-07-07 | Vehicle-mounted camera and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220359240U true CN220359240U (en) | 2024-01-16 |
Family
ID=89483488
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321790405.0U Active CN220359240U (en) | 2023-07-07 | 2023-07-07 | Vehicle-mounted camera and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220359240U (en) |
-
2023
- 2023-07-07 CN CN202321790405.0U patent/CN220359240U/en active Active
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