CN218446334U

CN218446334U - Vehicle-mounted camera module

Info

Publication number: CN218446334U
Application number: CN202221514614.8U
Authority: CN
Inventors: 罗小平; 李旭斌
Original assignee: Shenzhen Longhorn Automotive Electronic Equipment Co Ltd
Current assignee: Shenzhen Longhorn Automotive Electronic Equipment Co Ltd
Priority date: 2022-06-17
Filing date: 2022-06-17
Publication date: 2023-02-03
Anticipated expiration: 2032-06-17

Abstract

The embodiment of the utility model provides a vehicle-mounted camera module, be equipped with the casing in equipment hole including one end, wear to locate with the link the equipment is downthehole and go into the optical end and stretch out the outside camera lens of casing and assemble in the outside just external power supply of casing is with the heating element of camera lens, the income optical end lateral wall of camera lens is being close to income plain noodles department along radial evagination formation bulge loop, the bulge loop leans on the holding tank has been seted up to the terminal surface of income plain noodles one end, heating element pastes and establishes on the groove diapire of holding tank, it has sealing colloid and will still to fill in the holding tank heating element is sealed to be fixed in the holding tank. This embodiment can effectively realize the heating to the camera lens, and whole small simultaneously assembles the convenience.

Description

Vehicle-mounted camera module

Technical Field

The embodiment of the utility model provides a relate to on-vehicle camera technical field, especially relate to an on-vehicle camera module.

Background

At present, when cold or fog and snow weather, water fog or frost can exist on the income light lens of the income light end of the camera lens of vehicle-mounted camera and be fuzzy, lead to the unable normal image acquisition of vehicle-mounted camera, for this reason, be provided with the camera lens heating device who is used for heating the defrosting defogging to the camera lens on vehicle-mounted camera's the camera lens usually.

The existing lens heating device for the vehicle-mounted camera mainly covers a layer of protective glass with a resistance wire on the outer side of a lens of the vehicle-mounted camera, and the resistance wire generates heat when being electrified to evaporate water mist or frost.

However, in practical implementation, the inventor finds that the lens heating device occupies a relatively large volume, which is not favorable for the miniaturization design of the vehicle-mounted camera, and the assembly is relatively troublesome; in addition, the light transmittance or the reflectivity of the protective glass covering the outer side of the lens is low, so that the imaging quality of the vehicle-mounted camera is easily affected.

SUMMERY OF THE UTILITY MODEL

The embodiment of the utility model provides a technical problem who solves provides a vehicle-mounted camera module, can effectively realize the heating to the camera lens, and is whole small simultaneously, and the equipment is convenient.

In order to solve the technical problem, an embodiment of the utility model provides a following technical scheme: the utility model provides an on-vehicle camera module, includes that one end is equipped with the casing in equipment hole, wears to locate with the link the equipment is downthehole and go into the optical end and stretch out the outside camera lens of casing and assemble in the outside just external power supply of casing is in order to heat the heating element of camera lens, the income optical end lateral wall of camera lens is being close to income plain noodles department along radial evagination formation bulge loop, the bulge loop leans on the holding tank has been seted up to the terminal surface of income plain noodles one end, the heating element pastes and establishes on the groove bottom wall of holding tank, it has sealed colloid and will still to fill in the holding tank heating element is sealed to be fixed in the holding tank.

Further, the accommodating groove is an annular groove arranged around the central axis of the lens; the heating element is a heating ring assembled in the ring groove.

Furthermore, the heating ring is formed by bending a section of flexible heating belt with a preset length around the central axis of the convex ring.

Furthermore, the vehicle-mounted camera module further comprises a protective sleeve with a through hole in the middle, the protective sleeve is correspondingly sleeved on the outer sides of the lens and the convex ring, the bottom end of the protective sleeve is fixed relative to the shell, and the light inlet end of the lens and the top of the convex ring extend out of an orifice at the top end of the through hole of the protective sleeve.

Furthermore, an inner annular edge covering the notch of the accommodating groove is formed at the top end orifice of the through hole.

Furthermore, a barb is arranged at the bottom of the inner wall of the protecting sleeve, a clamping groove is correspondingly formed in the outer side wall of one end, provided with the assembling hole, of the shell, and when the protecting sleeve is assembled on the shell, the barb correspondingly hooks and buckles the clamping groove.

Furthermore, one end of the shell, which is provided with the assembling hole, is provided with a positioning step close to the periphery, the bottom of the inner wall of the protective sleeve is convexly provided with a positioning convex strip, the bottom end of the protective sleeve is sleeved on the positioning step of the shell, and the bottom end surface and the positioning convex strip are respectively abutted to the bottom step surface and the side step surface of the positioning step.

Furthermore, a power line for connecting with an external power supply is led out from the top surface of the heating element, and a plug port is further arranged at the tail end of the power line.

Furthermore, at least one side face of the shell is provided with a wiring notch at the positioning step, the top end of the wiring notch is in butt joint with the wiring notch, the bottom end of the wiring notch extends to a wiring groove of the bottom end face of the shell, a positioning convex column is arranged at the bottom outlet of the wiring groove, a power line is sequentially arranged along the wiring notch and the wiring groove and extends out of the bottom outlet of the wiring groove, the power line is further bound with the positioning convex column, and a wiring groove cover plate covering the notch of the wiring groove is arranged at the bottom end of the protective sleeve in an extending mode towards the bottom end direction of the shell.

Furthermore, the vehicle-mounted camera module further comprises a PCB which is assembled in the shell, one side plate surface of the PCB faces to the assembling hole, a photosensitive chip which is attached to the side plate surface of the PCB facing to the assembling hole and is right opposite to the assembling hole, and a wire harness which is connected with the PCB and is led out from the bottom end of the shell and used for transmitting electric power and signals, wherein the part of the power line, which extends out of the shell, is bound with the wire harness.

After the technical scheme is adopted, the embodiment of the utility model provides an at least, following beneficial effect has: the embodiment of the utility model provides a income light end lateral wall through the camera lens sets up the bulge loop being close to income plain noodles department, wherein paste heating element and establish on the bulge loop is close to the groove diapire of the holding tank of income plain noodles one side, when the heating element who assembles in the holding tank of bulge loop generates heat under external power source's power supply, the heat that heating element produced can be fast by the bulge loop transmission to the camera lens on, and then detach water smoke or frost on the income plain noodles of camera lens through the heating camera lens, and utilize sealing colloid to fill in the holding tank, can effectively realize fixing heating element, realize the sealing and water-proof to heating element simultaneously, whole equipment is convenient, it is also relatively less to occupy the volume.

Drawings

Fig. 1 is a schematic view of a split structure of an optional embodiment of the vehicle-mounted camera module of the present invention.

Fig. 2 is a schematic view of an assembly structure of an optional embodiment of the vehicle-mounted camera module of the present invention.

Fig. 3 is a schematic cross-sectional view of an alternative embodiment of the vehicle-mounted camera module of the present invention.

Fig. 4 is a schematic structural view of the protection cover according to an optional embodiment of the vehicle-mounted camera module of the present invention.

Detailed Description

The present application will now be described in further detail with reference to the accompanying drawings and specific examples. It is to be understood that the following illustrative embodiments and description are only intended to illustrate the present invention, and are not intended to limit the present invention, and features in the embodiments and examples may be combined with each other in the present application without conflict.

As shown in fig. 1-3, an optional embodiment of the present invention provides a vehicle-mounted camera module, including one end of the casing 1 with the assembly hole 10, with the link wear to locate in the assembly hole 10 and the light entering end 30 stretches out the outside camera lens 3 of the casing 1 and assemble in the outside and external power supply of the casing 1 is with the heating element 5 of the camera lens 3, the light entering end 30 outer wall of the camera lens 3 forms the convex ring 32 along the radial outward bulge near the light entering face, the convex ring 32 leans on the terminal surface of the light entering face one end has seted up the holding tank 321, the heating element 5 is pasted and established on the tank wall of the holding tank 321, the holding tank 321 is filled with the sealing colloid 323 and will the heating element 5 is sealed and fixed in the holding tank 321.

The embodiment of the utility model provides a income light end 30 lateral wall through camera lens 3 sets up bulge loop 32 being close to income plain noodles department, wherein paste heating element 5 and establish on bulge loop 32 is close to the groove diapire of the holding tank 321 of income plain noodles one side, when heating element 5 in holding tank 321 of bulge loop 32 generates heat under external power source's power supply, the heat that heating element 5 produced can be fast by bulge loop 32 transmission to camera lens 3 on, and then detach the water smoke or the frost on the income plain noodles of camera lens 3 through heating camera lens 3, and utilize sealing colloid 323 to fill in holding tank 321, can effectively realize fixing heating element 5, realize the waterproof seal to heating element 5 simultaneously, whole equipment is convenient, it is also relatively less to occupy the volume.

In an alternative embodiment of the present invention, as shown in fig. 1, the accommodating groove 321 is an annular groove disposed around a central axis of the lens 3; the heating element 5 is a heating ring assembled in the ring groove 321. In this embodiment, the holding groove 321 adopts the annular, and the corresponding heating element 5 adopts the heating ring, and the heating ring can evenly heat the camera lens 3 from the circumference of camera lens 3, and the heating effect is better.

In an alternative embodiment of the present invention, the heating ring 5 is formed by bending a flexible heating band with a predetermined length around the central axis of the protruding ring 32. In the embodiment, the flexible heating belt is adopted to bend and form the heating ring 5, the design structure is relatively simple, and the production and the manufacture are easy. In specific implementation, the flexible heating belt can be formed by adopting a resistance wire with certain plasticity.

In an optional embodiment of the present invention, as shown in fig. 1, fig. 3 and fig. 4, the vehicle-mounted camera module further includes a protection cover 6 having a through hole 60 in the middle, the protection cover 6 is correspondingly sleeved on the lens 3 and the outer side of the convex ring 32 and the bottom end portion and the housing 1 are relatively fixed, the light entering end 30 of the lens 3 and the top of the convex ring 32 all extend from the top hole opening of the through hole 60 of the protection cover 6. In this embodiment, the protective sleeve 6 is further arranged to be sleeved outside the lens 3 and the convex ring 32 and fixed relative to the housing 1, so that the lens 3 and the convex ring 32 inside can be effectively protected.

In an alternative embodiment of the present invention, as shown in fig. 3, the top end opening of the through hole 60 is further formed with an inner annular edge 601 covering the notch of the receiving groove 321. In this embodiment, through setting up interior border 601, utilize the interior border 601 of lag 6 to cover the notch of holding tank 321, further promote the safeguard effect.

In an optional embodiment of the present invention, as shown in fig. 1 and 4, a barb 62 is disposed at the bottom of the inner wall of the protecting jacket 6, a clamping groove 12 is correspondingly disposed on the outer side wall of the end of the casing 1 where the assembling hole 10 is disposed, and when the protecting jacket 6 is assembled on the casing 1, the barb 62 is correspondingly hooked in the clamping groove 12. In this embodiment, the fastening and the fastening of the clamping groove 12 and the barb 62 are used to quickly mount and fix the protective sleeve 6 and the housing 1.

In an optional embodiment of the present invention, as shown in fig. 1, fig. 3 and fig. 4, a positioning step 14 is disposed at a peripheral position of one end of the casing 1 having the assembling hole 10, a positioning protruding strip 64 is convexly disposed at a bottom portion of an inner wall of the protecting jacket 6, the protecting jacket 6 is sleeved at the positioning step 14 of the casing 1 with a bottom end, and abuts against a bottom step surface and a side step surface of the positioning step 14 with the bottom end surface and the positioning protruding strip 64, respectively. In this embodiment, the positioning protruding strips 64 of the protecting jacket 6 are respectively abutted to the bottom step surface and the side step surface of the positioning step 14, so that circumferential positioning of the protecting jacket 6 and the shell 1 can be effectively realized, and the protecting jacket 6 is prevented from being easily dislocated and separated from the shell 1 after being installed.

In an optional embodiment of the present invention, as shown in fig. 1, a power line 50 for connecting with the external power source is further led out from the top surface of the heating element 5, and a plug port 52 is further provided at the end of the power line 50. In this embodiment, the power cord 50 is provided, and the plug port 52 is provided at the end of the power cord 50, so that the heating element 5 can be conveniently connected to an external power source, and power supply can be effectively obtained.

In an optional embodiment of the present invention, as shown in fig. 1 and 3, at least one side of the housing 1 is in the positioning step 14 has further been provided with a routing notch 16 and a top end and the routing notch 16 is butted against the bottom end and extends to the wiring groove 18 of the bottom end surface of the housing 1, the bottom exit of the wiring groove 18 is provided with a positioning convex pillar 19, the power line 50 sequentially follows the routing notch 16 and the wiring groove 18 is arranged and extends from the bottom exit of the wiring groove 18, the power line 50 is further bound with the positioning convex pillar 19, the bottom of the protection cover 6 is further faced the bottom direction of the housing 1 extends to be provided with a wiring groove cover plate 66 covering the notch of the wiring groove 18. In this embodiment, the routing notch 16 and the routing groove 18 are used to form a routing channel for the power line 50 to pass through, so as to facilitate the arrangement of the power line 50; but also binding the power line 50 with the positioning convex column 19, further realizing the fixation of the power line 50; in addition, the groove cover plate 66 is arranged to cover the notch of the wiring groove 18, so that the power line 50 is prevented from protruding outwards, the overall layout is optimized, the power line 50 in the wiring groove 18 is protected, in addition, the wiring cover plate 66 only covers the notch of the wiring groove 18, and the phenomenon that the wiring cover plate 66 generates overlarge images on the heat dissipation of the vehicle-mounted camera is avoided.

In an optional embodiment of the present invention, as shown in fig. 3, the vehicle-mounted camera module further includes a PCB 7 assembled in the housing 1 and having a side plate facing toward the assembly hole 10, a board attached to the PCB 7 facing toward the assembly hole 10, a board surface of the PCB 7 facing toward the assembly hole 10 being directly opposite to the photosensitive chip 8 at the assembly hole 10, and a wiring harness 9 connected to the PCB 7 and leading out from the bottom end of the housing 1 for transmitting power and signals, and the portion of the power line 50 extending out of the housing 1 and the wiring harness 9 are bound to each other. In this embodiment, the tail end of the power line 50 is bound to the harness 8 of the vehicle-mounted camera, so that the common wiring and fixing can be realized, and the power supply of the vehicle-mounted camera can be used for supplying power to the heating element 5.

The embodiments of the present invention have been described with reference to the accompanying drawings, but the present invention is not limited to the above-mentioned embodiments, which are only illustrative and not restrictive, and those skilled in the art can make many forms without departing from the spirit and scope of the present invention, and these forms are within the scope of the present invention.

Claims

1. The utility model provides an on-vehicle camera module, includes that one end is equipped with the casing in equipment hole, wears to locate with the link the equipment is downthehole and go into the optical end and stretch out the outside camera lens of casing and assemble in the casing is outside and external power supply is in order to heat the heating element of camera lens, a serial communication port, the income optical end lateral wall of camera lens is being close to income plain noodles department along the radial evagination and forms the bulge loop, the bulge loop leans on the terminal surface of income plain noodles one end has seted up the holding tank, the heating element pastes and establishes on the groove bottom wall of holding tank, it has sealed colloid and will still to fill in the holding tank heating element is sealed to be fixed in the holding tank.

2. The vehicle camera module of claim 1, wherein said receiving groove is an annular groove disposed around a central axis of said lens; the heating element is a heating ring assembled in the ring groove.

3. The vehicle camera module of claim 2, wherein said heat ring is formed by bending a length of flexible heat-generating tape of a predetermined length around a central axis of said convex ring.

4. The vehicle camera module of claim 2, further comprising a protective sheath having a through hole in a middle portion thereof, wherein the protective sheath is correspondingly disposed on an outer side of the lens and the convex ring, a bottom end portion of the protective sheath is fixed to the housing, and both the light incident end of the lens and a top portion of the convex ring extend from a top opening of the through hole of the protective sheath.

5. The vehicle camera module of claim 4, wherein the top port of the through-hole is further formed with an inner annular edge covering the notch of the receiving groove.

6. The vehicle camera module of claim 4, wherein a barb is disposed at a bottom portion of an inner wall of the protective sheath, a locking groove is correspondingly disposed at an outer side wall of an end of the housing where the assembling hole is disposed, and the barb is correspondingly locked in the locking groove when the protective sheath is assembled on the housing.

7. The camera module of claim 4 or 5, wherein the end of the housing having the assembling hole is provided with a positioning step near the periphery, and the bottom of the inner wall of the shield is provided with a positioning protrusion, and the shield is sleeved at the positioning step of the housing with a bottom end and abuts against the bottom step surface and the side step surface of the positioning step with the bottom end surface and the positioning protrusion, respectively.

8. The vehicle camera module according to claim 7, wherein a power line for connecting with the external power supply is further led out from the top surface of the heating element, and a plug-in port is further provided at a terminal of the power line.

9. The vehicle camera module according to claim 8, wherein at least one side of the housing further has a wiring gap at the positioning step and a wiring groove with a top end abutting against the wiring gap and a bottom end extending to the bottom end surface of the housing, a bottom outlet of the wiring groove is provided with a positioning protrusion, the power cord is sequentially routed along the wiring gap and the wiring groove and extends from the bottom outlet of the wiring groove, the power cord is further bound with the positioning protrusion, and a bottom end of the protective cover further has a wiring groove cover plate extending toward the bottom end of the housing and covering the opening of the wiring groove.

10. The camera module of claim 8, further comprising a PCB board assembled in the housing with a side facing the assembling hole, a photo sensor chip attached to a side of the PCB board facing the assembling hole, and a wire harness connected to the PCB board and led out from a bottom end of the housing for transmitting power and signals, wherein a portion of the power line extending out of the housing is bound to the wire harness.