CN217227403U

CN217227403U - Dust removal and water prevention structure of electronic exterior rearview mirror

Info

Publication number: CN217227403U
Application number: CN202220921522.5U
Authority: CN
Inventors: 相斌斌; 罗木新; 李辉
Original assignee: Huizhou Foryou General Electronics Co Ltd
Current assignee: Huizhou Foryou General Electronics Co Ltd
Priority date: 2022-04-20
Filing date: 2022-04-20
Publication date: 2022-08-19
Anticipated expiration: 2032-04-20

Abstract

The utility model discloses a dust removal waterproof structure of an electronic exterior rearview mirror, which comprises a shell, wherein the shell comprises a front shell, an upper shell and a lower shell, the front shell is provided with an inwards concave first groove, and the middle part of the first groove is provided with a camera opening matched with a streaming media camera module; the lower side edge of the first groove is provided with an air outlet facing the camera shooting opening, the lower shell is provided with an air inlet facing the rear, and a transition type air duct is connected between the air inlet and the air outlet. The utility model has the advantages of reasonable design, the utility model discloses only need adopt natural wind can realize removing dust, waterproof function, and need not to increase any power accessory, reduce cost, energy-concerving and environment-protective.

Description

Dust removal and water prevention structure of electronic exterior rearview mirror

Technical Field

The utility model relates to an electron outside rear-view mirror technical field especially relates to an electron outside rear-view mirror dust removal waterproof construction.

Background

The rearview mirror of the existing vehicle is usually the traditional optical rearview mirror, the shape and the size of the visual field reflected by the optical rearview mirror are invariable all the time, the visual angle of the optical reflector is small, the blind area is large, the visual effect at night is not good, and great traffic hidden trouble is caused for the vehicle running. Therefore, in order to obtain a larger visual field, people develop an electronic outside rearview mirror, so that the wider visual field can be conveniently collected, the front and rear environments can be safely considered when the electronic outside rearview mirror is driven to turn, but the mirror surface of the electronic outside rearview mirror or the mirror surface of the ordinary optical rearview mirror is easily polluted by dust, and in addition, when the electronic outside rearview mirror is in rainy and snowy weather during driving, water and fog are easily accumulated on the mirror surface, the visual field is seriously influenced, and safety accidents are caused.

For the above problems, people are also constantly searching for solutions therein, for example, the top of the housing of the ordinary sight glass is provided with an air inlet and outlet structure, and a wind pressure injection mode is adopted to achieve a waterproof effect, but the ordinary sight glass has the characteristic of large and irregular mirror surface area, so that the air inlet is provided with the top, the injection range is small, and adverse factors of incomplete coverage exist, meanwhile, the mirror body is generally installed inside the edge of the housing, and the air inlet and outlet structure is arranged at the upper end, so that the air duct bending phenomenon can occur, the wind energy loss is easily caused, and in addition, the air inlet structure is also easily damaged; the electronic exterior mirror is additionally provided with related accessories, such as a fan, a pipeline and the like, so that a waterproof function is realized, however, in the mode, the additional new accessories are additionally arranged, the structure is complicated, the counter weight is increased, and the manufacturing cost is increased.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an electron outside rear-view mirror dust removal waterproof construction to solve the technical problem who mentions in the above-mentioned background art.

In order to achieve the above object, the technical solution of the present invention provides a dust-removing waterproof structure for an electronic exterior rearview mirror, which comprises a housing, wherein the housing comprises a front shell, an upper shell and a lower shell, the front shell is provided with an inwardly recessed first groove, and the middle part of the first groove is provided with a camera opening matched with a streaming media camera module; the lower side edge of the first groove is provided with an air outlet facing the camera shooting opening, the lower shell is provided with an air inlet facing the rear, and a transition type air duct is connected between the air inlet and the air outlet.

Furthermore, the shape of the first groove is designed to be annular, the number of the air outlets is designed to be a plurality, and the air outlets are arranged on the edge of the lower left side of the first groove in a crossed manner, so that the distances between the air outlets and the air inlet are different.

Furthermore, the left lower side edge of the first groove is also provided with a plurality of air guide grooves, one ends of the air guide grooves are respectively connected with the plurality of air outlets, and the other ends of the air guide grooves are connected with the camera shooting opening.

Furthermore, the air guide groove and the camera shooting opening are arranged on the bottom surface of the first groove, and the air outlet is arranged on the side wall of the first groove.

Further, the diameter of the air guide groove is the same as the aperture of the air outlet, and the aperture of the air outlet is set to be 3mm +/-1 mm.

Furthermore, the front shell is further provided with a second concave groove which is concave inwards, the shape of the second concave groove is a concave surface which is gradually reduced from the outside to the inside, and the first concave groove is arranged in the second concave groove.

Further, an included angle of 101 degrees +/-3 degrees is formed between the bottom surface and the side wall of the first groove; an included angle of 134 degrees +/-3 degrees is formed between the upper side wall of the second groove and the upper side wall of the first groove, and an included angle of 150 degrees +/-3 degrees is formed between the lower side wall of the second groove and the lower side wall of the first groove.

Further, transition type wind channel integrated into one piece is in the medial surface of inferior valve, the air intake sets up the bottom surface at the inferior valve, the air intake is waist shape hole, the air intake upwards is certain contained angle with the horizontal plane.

Furthermore, a main framework is further arranged in the shell, the main framework is fixedly installed on the lower shell, and the streaming media camera module is fixedly installed on the main framework.

Furthermore, the front shell is connected with the lower shell in a buckling mode, the streaming media camera module is in clearance fit with the front shell, and the upper shell is detachably mounted above the lower shell.

To sum up, the application the technical scheme of the utility model, following beneficial effect has: the utility model has the advantages of reasonable design, downside edge through first recess is equipped with towards the open-ended air outlet of making a video recording, the inferior valve is equipped with towards the air intake at rear, be connected with transition type wind channel between air intake and the air outlet, thereby at the in-process that the vehicle went, natural wind will be at the air intake, transition type wind channel and air outlet guide in proper order flow to first recess in, this natural wind removes dust to the streaming media camera module of the opening part of making a video recording in first recess, water repellent, and the transition type wind channel from bottom to top of connecting the air intake can also be to the free discharge of remaining ponding from air intake department in the first recess, from this can know, the utility model discloses only need adopt natural wind can realize removing dust, waterproof function, and need not to increase any power accessories, and the cost is reduced, and is energy-concerving and environment-protective.

Drawings

Fig. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic cross-sectional view taken along section line A-A of FIG. 1;

fig. 3 is a rear view structure diagram of the present invention;

fig. 4 is a front view of the front shell of the present invention;

fig. 5 is a schematic cross-sectional structure view of the first and second grooves of the front housing according to the present invention;

fig. 6 is a partially enlarged structural view of the first groove of the front case of the present invention;

fig. 7 is a rear view schematic diagram of the front shell of the present invention;

fig. 8 is a schematic top view of the lower case of the present invention;

fig. 9 is a bottom view of the lower case of the present invention;

fig. 10 is a schematic perspective view of the front and lower shells of the present invention;

fig. 11 is a schematic bottom view of the upper case of the present invention;

description of the reference numerals: 1-a streaming media camera module; 2-front shell, 201-first groove, 202-camera shooting opening, 203-air outlet, 204-air guide groove, 205-second groove; 3-upper shell; 4-lower shell, 401-air inlet, 402-transition type air duct; 5-main framework.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, but do not constitute a limitation to the scope of the present invention.

In the present invention, for the sake of clearer description, the following explanation is made: the observer is observing in the face of fig. 1, the left side of the observer is set as the right side, the right side of the observer is set as the left side, the front side of the observer is set as the back side, the back side of the observer is set as the front side, the upper side of the observer is set as the top side, and the lower side of the observer is set as the bottom side, it should be noted that the terms "front end", "rear end", "left side", "right side", "middle part", "top" and "bottom" in the text indicate the orientation or position relationship to be the orientation or position relationship based on the drawings, and it is only for the convenience of clearly describing the present invention, but not to indicate or suggest that the structure or component indicated by the terms must have a specific orientation, be constructed in a specific orientation, and therefore, should not be construed as a limitation of the present invention. Furthermore, the terms "first," "second," "third," and "fourth" are used merely for purposes of clarity or simplicity of description and are not to be construed as indicating or implying relative importance or quantity.

Referring to fig. 1 to 11, the embodiment provides a dust-removing and waterproof structure for an electronic exterior rearview mirror, which includes a housing, the housing includes a front housing 2, an upper housing 3, and a lower housing 4, the front housing 2 is provided with an inwardly recessed first groove 201, and the middle of the first groove 201 is provided with a camera opening 202 matched with a streaming media camera module 1; the lower side edge of the first groove 201 is provided with an air outlet 203 facing the camera opening 202, the lower shell 4 is provided with an air inlet 401 facing the rear, and a transition type air duct 402 is connected between the air inlet 401 and the air outlet 203. The function is as follows: the downside edge through first recess is equipped with the orientation open-ended air outlet of making a video recording, the inferior valve is equipped with the air intake towards the rear, be connected with transition type wind channel between air intake and the air outlet, thereby at the in-process that the vehicle went, natural wind will be at the air intake, transition type wind channel and air outlet guide in proper order flow to first recess in, this natural wind removes dust to the streaming media camera module of the opening part of making a video recording in first recess, water repellent, and the transition type wind channel from bottom to top of connecting the air intake can also be from air intake department free discharge to remaining ponding in the first recess, from this can know, the utility model discloses only need adopt natural wind can realize removing dust, waterproof function, and need not to increase any power accessory, reduce cost, energy-concerving and environment-protectively.

Specifically, referring to fig. 4 to 7, the first groove 201 is shaped like a ring, the number of the air outlets 203 is set to be several, and the air outlets 203 are arranged at the lower left edge of the first groove 201 in a crossing manner, so that the distances between the air outlets 203 and the air inlet 401 are different. The function is as follows: because every air outlet is different with the distance in air intake center, consequently the ventilation strength of every air outlet differs, thereby forms the wind pressure difference in annular first recess region and produces the vortex state, can cover whole camera lens surface more.

Specifically, the left lower side edge of the first groove 201 is further provided with a plurality of air guide grooves 204, one ends of the plurality of air guide grooves 204 are respectively connected with the plurality of air outlets 203, and the other ends of the plurality of air guide grooves 204 are connected with the camera shooting opening 202. The function is as follows: the air guide groove is connected with the air outlet, so that natural air can directly reach the surface of the lens under the guide of the air guide groove, and the dust removal effect is better.

Specifically, the air guide groove 204 and the camera opening 202 are disposed on the bottom surface of the first groove 201, and the air outlet 203 is disposed on the side wall of the first groove 201. Preferably, the air outlets 203 are circular holes, are arranged in a cross manner, and are uniformly distributed in the circumferential area of 1/4.

Specifically, the diameter of the air guide groove 204 is the same as the aperture of the air outlet 203, and the aperture of the air outlet 203 is set to 3mm ± 1mm, preferably, 3 mm.

Specifically, the front case 2 is further provided with a second groove 205 recessed inward, the shape of the second groove 205 is a concave surface gradually narrowing from the outside to the inside, and the first groove 201 is provided in the second groove 205. The function is as follows: compared with a simple concave shell, when rainwater slides to a bent part, the rainwater can directly drop to the lower concave surface of the second groove according to a designed bending angle and is not easy to slide into a camera (namely a streaming media camera module) mounting position, so that the rainwater is more effectively prevented from dropping onto a lens, and the front shell belongs to one-time water avoidance; and the design of the air duct from top to bottom also plays a role of autonomous drainage, and belongs to secondary water avoidance.

Specifically, referring to fig. 5, the bottom surface and the side wall of the first groove 201 have an included angle of 101 ° ± 3 °; an included angle of 134 degrees +/-3 degrees is formed between the upper side wall of the second groove 205 and the upper side wall of the first groove 201, an included angle of 150 degrees +/-3 degrees is formed between the lower side wall of the second groove 205 and the lower side wall of the first groove 201, and the waterproof effect is better due to the included angles.

Specifically, referring to fig. 8 to 9, transition type wind channel 402 integrated into one piece is in the medial surface of inferior valve 4, and air intake 401 sets up in the bottom surface of inferior valve 4, and air intake 401 is waist shape hole, and air intake 401 is upwards to be certain contained angle with the horizontal plane, and this angle is relevant with rear-view mirror inferior valve molding, and the inferior valve windward side because of this scheme is comparatively gentle again, the air intake set up with the direction of travel the same can, can more favorable guide natural wind under the state of traveling. Preferably, the air inlet 401 is a kidney-shaped hole with a size of 27 × 6 mm.

Specifically, referring to fig. 2, a main frame 5 is further disposed in the housing, the main frame 5 is fixedly mounted on the lower housing 4, and the streaming media camera module 1 is fixedly mounted on the main frame 5. Preferably, the main frame 5 is attached to the lower case 4 by means of screws and engagement, and the media camera module 1 is attached to the main frame 5 by means of self-tapping screws.

Specifically, referring to fig. 10 to 11, the front shell 2 is connected to the lower shell 4 in a snap-fit manner, the streaming media camera module 1 is in a clearance fit with the front shell 2, the upper shell 3 is detachably mounted above the lower shell 4, and the detachable mounting may be in a screw or snap-fit manner. The method can be selected according to actual needs.

To sum up, the utility model discloses following technological effect can be obtained:

the structure is simplified, the structure is more stable and is not easy to damage, the sight is not shielded, and the secondary water-avoiding effect can be achieved;

natural wind is adopted, any power fittings are not required to be added, the cost is reduced, and the energy is saved and the environment is protected;

this scheme structure produces the vortex phenomenon, and the dust removal effect is more obvious, and top-down's wind channel setting mode also can obviously play the function of drainage.

The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations are also considered as the protection scope of the present invention.

Claims

1. The utility model provides an electron outside rear-view mirror dust removal waterproof construction, includes the casing, its characterized in that: the shell comprises a front shell (2), an upper shell (3) and a lower shell (4), the front shell (2) is provided with a first concave groove (201), and the middle part of the first concave groove (201) is provided with a camera opening (202) matched with the streaming media camera module (1); the lower side edge of the first groove (201) is provided with an air outlet (203) facing the camera shooting opening (202), the lower shell (4) is provided with an air inlet (401) facing the rear, and a transition type air duct (402) is connected between the air inlet (401) and the air outlet (203).

2. The electronic exterior mirror dedusting waterproof structure according to claim 1, characterized in that: the shape of the first groove (201) is designed to be annular, the number of the air outlets (203) is designed to be a plurality, and the air outlets (203) are arranged on the edge of the lower left side of the first groove (201) in a crossed mode, so that the distances between the air outlets (203) and the air inlets (401) are different.

3. The electronic exterior mirror dust removal waterproof construction of claim 2, characterized in that: the left lower side edge of the first groove (201) is also provided with a plurality of air guide grooves (204), one ends of the air guide grooves (204) are respectively connected with a plurality of air outlets (203), and the other ends of the air guide grooves are connected with the camera shooting opening (202).

4. The electronic exterior mirror dust removal waterproof construction of claim 3, characterized in that: the air guide groove (204) and the camera shooting opening (202) are arranged on the bottom surface of the first groove (201), and the air outlet (203) is arranged on the side wall of the first groove (201).

5. The electronic exterior mirror dust removal waterproof construction of claim 3, characterized in that: the diameter of the air guide groove (204) is the same as the aperture of the air outlet (203), and the aperture of the air outlet (203) is set to be 3mm +/-1 mm.

6. The electronic exterior mirror dust-removal waterproof structure according to any one of claims 1 to 5, characterized in that: the front shell (2) is further provided with a second groove (205) which is recessed inwards, the second groove (205) is a concave surface which is gradually reduced from the outside to the inside, and the first groove (201) is arranged in the second groove (205).

7. The electronic exterior mirror dust removal waterproof construction of claim 6, characterized in that: an included angle of 101 degrees +/-3 degrees is formed between the bottom surface and the side wall of the first groove (201); an included angle of 134 degrees +/-3 degrees is formed between the upper side wall of the second groove (205) and the upper side wall of the first groove (201), and an included angle of 150 degrees +/-3 degrees is formed between the lower side wall of the second groove (205) and the lower side wall of the first groove (201).

8. The electronic exterior mirror dust-removal waterproof structure according to any one of claims 1 to 5 and 7, wherein: transition type wind channel (402) integrated into one piece is in the medial surface of inferior valve (4), air intake (401) set up the bottom surface at inferior valve (4), air intake (401) are waist shape hole, air intake (401) upwards are certain contained angle with the horizontal plane.

9. The electronic exterior mirror dust-removal waterproof structure according to any one of claims 1 to 5 and 7, wherein: still be equipped with main frame (5) in the casing, main frame (5) installation is fixed in inferior valve (4), streaming media camera module (1) installation is fixed in main frame (5).

10. The electronic exterior mirror dust-removal waterproof structure according to any one of claims 1 to 5 and 7, wherein: preceding shell (2) link to each other with inferior valve (4) buckle, streaming media camera module (1) and preceding shell (2) clearance fit, epitheca (3) demountable installation is in the top of inferior valve (4).