CN1923571A - Waterproof case for in-vehicle camera - Google Patents

Waterproof case for in-vehicle camera Download PDF

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Publication number
CN1923571A
CN1923571A CNA200610128072XA CN200610128072A CN1923571A CN 1923571 A CN1923571 A CN 1923571A CN A200610128072X A CNA200610128072X A CN A200610128072XA CN 200610128072 A CN200610128072 A CN 200610128072A CN 1923571 A CN1923571 A CN 1923571A
Authority
CN
China
Prior art keywords
mentioned
case
case portion
vehicle camera
retaining wall
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CNA200610128072XA
Other languages
Chinese (zh)
Inventor
井本政善
小池正敏
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sumitomo Wiring Systems Ltd
AutoNetworks Technologies Ltd
Sumitomo Electric Industries Ltd
Original Assignee
Sumitomo Wiring Systems Ltd
AutoNetworks Technologies Ltd
Sumitomo Electric Industries Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sumitomo Wiring Systems Ltd, AutoNetworks Technologies Ltd, Sumitomo Electric Industries Ltd filed Critical Sumitomo Wiring Systems Ltd
Publication of CN1923571A publication Critical patent/CN1923571A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60RVEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R11/00Arrangements for holding or mounting articles, not otherwise provided for
    • B60R11/04Mounting of cameras operative during drive; Arrangement of controls thereof relative to the vehicle
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60RVEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R13/00Elements for body-finishing, identifying, or decorating; Arrangements or adaptations for advertising purposes
    • B60R13/06Sealing strips
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/50Constructional details
    • H04N23/51Housings
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/57Mechanical or electrical details of cameras or camera modules specially adapted for being embedded in other devices

Abstract

A waterproof case for an in-vehicle camera includes a front case part and a rear case part, and houses imaging means such as the imaging device therein. A packing member is set between the front case part and the rear case part, and waterproofs and seals the space therebetween. A water-stop wall part is protrudingly formed on a flange part which is an attaching portion of the rear case part at a peripheral of the packing member. A concave part, into which the water-stop wall part can be fitted, is formed on an opening peripheral part which is an attaching portion of the front case part.

Description

Waterproof case for in-vehicle camera
Technical field
The present invention relates to be used to make the water repellant technology of the outdoor in-vehicle camera of car that is arranged on.
Background technology
Known have a following technology: utilize the in-vehicle camera that is arranged at outside vehicle, to the scenery of vehicle periphery, especially dead angle area is made a video recording, and it is shown on the indoor read out instrument of car.
Such in-vehicle camera is set at the car body outside, therefore needs very strong water resistance.
As existing waterproof construction, be generally following structure: between as the preceding case of the shell of in-vehicle camera and rear cabinet, clip sealing member, and be screwed two casees.
Yet above-mentioned existing waterproof construction is, with the sealing member compression and make it structure between preceding case and rear cabinet, therefore can form small gap at the junction surface of preceding case and rear cabinet.So under situations such as high Pressure-washing apparatus, spraying water with high pressure directly to be flushed to sealing member.So because this hydraulic pressure, sealing member is extruded to inside, the possibility that exists water resistance to descend.
Summary of the invention
Therefore, the object of the present invention is to provide a kind of waterproof case for in-vehicle camera and camera apparatus of water resistance excellence.
Waterproof case for in-vehicle camera of the present invention is set at outside vehicle, has: casing, constitute by the 1st case portion and the 2nd case portion, and accommodate image unit; And sealing element, between above-mentioned the 1st case portion and above-mentioned the 2nd case portion, with water-proff packing between above-mentioned the 1st case portion and the 2nd case portion, the part between above-mentioned the 1st top and above-mentioned the 2nd case portion is provided with and prevents from the anti-stop element of the water inlet of the water inlet of outside in above-mentioned sealing element.
And the anti-stop element of above-mentioned water inlet also can have: water retaining wall portion is highlighted the periphery of the above-mentioned sealing element at the junction surface that is formed on above-mentioned the 1st case portion; With bear recess, be formed in the 2nd case portion, above-mentioned water retaining wall portion can be embedded into above-mentioned bearing in the recess.
And, also can be so that above-mentioned the 1st case portion and above-mentioned the 2nd case portion keep the mode of stable position relation, above-mentioned water retaining wall portion is embedded into above-mentioned bearing in the recess.
In addition, preferably, the camera lens that above-mentioned the 1st case portion has the pick-up lens that keeps in-vehicle camera keeps tube portion.
In addition, preferably, the camera lens that above-mentioned the 2nd case portion has the pick-up lens that keeps in-vehicle camera keeps tube portion.
In addition, preferably, the anti-stop element of above-mentioned water inlet is located at the periphery of above-mentioned sealing element.
In addition, preferably, form the sealing member accepting groove on any one party of above-mentioned the 1st case portion and the 2nd case portion, above-mentioned sealing element is housed in the above-mentioned sealing member accepting groove with the state that overflows from above-mentioned sealing member accepting groove.
In addition, preferably, by above-mentioned the 1st case portion of screw retention and the 2nd case portion.
In addition, preferably, above-mentioned water retaining wall portion is outstanding discontinuously from the junction surface of above-mentioned the 1st case portion.
The invention effect
In-vehicle camera water-tight device in according to the present invention, between the 1st case portion and the 2nd case portion, be provided with the anti-stop element of water inlet that prevents from the outside to the water inlet of sealing element, therefore under situations such as high Pressure-washing apparatus, can effectively prevent to spray water with high pressure and wait direct flushing sealing element.Thus, can obtain excellent water resistance.
And stop element is prevented in above-mentioned water inlet, has: water retaining wall portion, be formed from the junction surface of the junction surface of above-mentioned the 1st case portion and above-mentioned the 2nd case portion any one, outstanding in the circumferential position of above-mentioned sealing member; With bear recess, be formed on another junction surface, can embed above-mentioned water retaining wall portion, therefore can reduce the gap between the junction surface of the junction surface of the 1st case portion and the 2nd case portion as far as possible, make it miniaturization when obtaining excellent water resistance.
And then, so that the mode that the position that above-mentioned the 1st case portion and above-mentioned the 2nd case portion keep stable concerns, above-mentioned water retaining wall portion is embedded into above-mentioned bearing in the recess, thereby can effectively prevents the problem that causes because of two casees position relation change, for example change of field range.
Description of drawings
Fig. 1 is the lateral plan of the camera apparatus of expression present embodiment with watertight caisson.
Fig. 2 is that the part of this watertight caisson of expression is cut section-drawing.
Fig. 3 is a decomposition diagram of seeing this watertight caisson from oblique the place ahead.
Fig. 4 is a decomposition diagram of seeing this watertight caisson from oblique rear.
The specific embodiment
Below, the waterproof case for in-vehicle camera and the camera apparatus of embodiments of the present invention described.Fig. 1 is the lateral plan of expression camera apparatus with watertight caisson, and Fig. 2 is that the part of this watertight caisson of expression is cut section-drawing, and Fig. 3 is a decomposition diagram of seeing this watertight caisson from oblique the place ahead, and Fig. 4 is a decomposition diagram of seeing this watertight caisson from oblique rear.And for convenience of description, side (lens side) is the front side, face side (imaging apparatus side) is that rear side describes to make a video recording to look like.
And, be suitable for the in-vehicle camera 10 of this watertight caisson 20, for example be set at front part of vehicle, rear portion, the sidepiece external body of waiting for bus.And, made a video recording in the left side side of the broad area that comprises front part of vehicle left and right sides side, rear view of vehicle zone, vehicle or zone, right side side etc.
This watertight caisson 20 has: casing 21, and it is by constituting as the front case part 22 of the 1st case portion with as rear cabinet portion 30 these two parts of the 2nd case portion; With sealing element 40.In addition, in two case portions 22,30, accommodate and be fixed with image unit.
Here, image unit has imaging apparatus 12 and pick-up lens 14.
Imaging apparatus 12 for example is made of mono-CCD etc.This imaging apparatus 12 is mounted on the substrate 13, is formed with the treatment circuit of driving circuit of comprising imaging apparatus 12 etc. on substrate 13.This substrate 13 is accommodated on the desired location that is fixed in the desired location that comprises in the front case part 22, the casing 21 in desired location in the rear cabinet portion 30, thus imaging apparatus 12 is accommodated the desired location of being fixed in the watertight caisson 20.In addition,, be drawn out to the outside, and be connected with power supply and control unit, read out instrument etc. via the distribution lead division that is formed at rear cabinet portion 30 with these substrate 13 bonded assembly distributions.
Pick-up lens 14 is to be designed to for example, be made of the compound lens that a plurality of lens are combined importing to lens in the imaging apparatus 12 from the light as the perimeter of shooting object with desired characteristics.Usually, in the camera that vehicle-surroundings is made a video recording, pick-up lens 14 has wide-angle lens or fish eye lens etc. can be to the characteristic of wide shooting, so that can make a video recording to wider range.
This pick-up lens 14 is accommodated the camera lens that is fixed in front case part 22 and is kept in the tube portion 28, and is maintained on the fixed position of face side of imaging apparatus 12.Like this, imaging apparatus 12 can be by 14 pairs of outside scenery shootings of pick-up lens.
Front case part 22 is formed by resin etc., has preceding box main body portion 23 and camera lens and keeps tube portion 28.
Preceding box main body portion 23 is formed the roughly basket of side's side (rear side) opening.And the side wall portion 24 around preceding box main body portion 23 has the preset thickness size, as should before on the opening circumference 23a of rear side at junction surface of box main body portion 23, be formed with following sealing member accepting groove 23b, bear recess 26, screw 24h etc.
It is the parts that keep above-mentioned pick-up lens 14 that camera lens keeps tube portion 28.Here, camera lens keeps tube portion 28 to be formed roughly tubular, its inner space and preceding box main body 23 interior connections of portion.This camera lens keeps fixedly maintaining above-mentioned pick-up lens 14 in the tube portion 28.
Rear cabinet portion 30 is formed by resin etc., has rear cabinet main part 32 and flange part 34.
Rear cabinet main part 32 is formed the roughly basket of side's side (front side) opening.And, on the opening circumference of rear cabinet main part 32, be formed with the flange part 34 of general square shape ring-type as the junction surface in the mode of giving prominence to foreign side.So that the anterior end surface of this flange part 34 and above-mentioned before the rear side end face posture in opposite directions of box main body portion 23, with above-mentioned front case part 22 and rear cabinet portion 30 zoariums, and between is formed for accommodating the receiving space of the roughly cubic of above-mentioned image unit.
And, go up in the appropriate location (position that refers to 4 angles here) of flange part 34 and to form screw insertion hole 35h, and in the opening circumference 23a of preceding box main body portion 23 with on each cooresponding position of screw insertion hole 35h, form screw 24h.Then, as mentioned above, under the state that makes front case part 22 and rear cabinet portion 30 zoariums, make screw insert logical screw insertion hole 35h respectively, and screw togather fastening, fixing thus and keep above-mentioned fit state with screw 24h.In addition, the zoarium of rear cabinet portion 30 and front case part 22 is not limited to aforesaid screw and screws togather fasteningly, also can utilize other various fixing meanss such as fastening structure, adhesives to carry out.
In addition, between front case part 22 and rear cabinet portion 30, dispose sealing element 40.And, by carrying out water-proff packing between 40 pairs of front case parts 22 of sealing parts and the rear cabinet portion 30.
More specifically, sealing element 40 is formed by elastomeric elements such as rubber, is formed with the corresponding ring-type of opening circumference 23a of front case part 22, is the general square shape ring-type here.And, be formed with the sealing member accepting groove 23b of general square shape ring-type at its peripheral direction of end face upper edge of the opening circumference 23a of front case part 22.In addition, sealing element 40 is formed in the thickness of the degree (referring to only overflow a certain amount of degree) of overflowing under the state that is contained in sealing member accepting groove 23b here.And, before above-mentioned under the state of box main body portion 23 and rear cabinet main part 32 zoariums, sealing element 40 with compressive state between opening circumference 23a and flange part 34.Thus, anti-watery by sealing element 40 with being sealed between opening circumference 23a and the flange part 34.
And,, be provided with the water inlet that prevents from the water inlet of outside in sealing element 40 and prevent stop element at the gap portion of preceding box main body portion 23 and rear cabinet main part 32.
Here, the anti-stop element of water inlet has: the outstanding water retaining wall portion 36 that forms on the end face of the flange part 34 of rear cabinet portion 30 sides; With on the end face of the opening circumference 23a of above-mentioned front case part 22 sides, form bear recess 26.
Water retaining wall portion 36 is formed on the end face of flange part 34 as follows: along the bearing of trend of sealing element 40, the outer circumferential side that is positioned at sealing parts 40 is also outstanding.Here, water retaining wall portion 36 on 4 limits of flange part 34, has 4 projecting strip part 36a that extend with linearity along its bearing of trend respectively, and in each bight of flange part 34, water retaining wall portion 36 disconnects.And each projecting strip part 36a is formed at: in the end face of flange part 34, than position that should the above-mentioned sealing element 40 of butt more by on the position of outer circumferential side.
Bear on the end face of opening circumference 23a that recess 26 is formed on front case part 22, and be formed the ditch shape that can embed above-mentioned water retaining wall portion 36.Bearing recess 26 here, has and cooresponding 4 the chase 26a of the shape for lugs of above-mentioned each projecting strip part 36a.These chases 26a has following shape: under the fit state of preceding box main body portion 23 and rear cabinet main part 32, so that its position relation keeps stable, and seamlessly embed above-mentioned projecting strip part 36a.Like this, so that front case part 22 and rear cabinet portion 30 keeps the mode of stable position relation, water retaining wall portion 36 is embedded into bears in the recess 26.And, do not need all projecting strip part 36a seamlessly to be embedded among each chase 26a, for example, as long as have under the state of the outer lateral side butt of the outer lateral side of each projecting strip part 36a and each chase 26a, embed wait, each projecting strip part 36a is embedded into the single-piece embedded structure among the groove 26a, the position that can make front case part 22 and rear cabinet portion 30 keep stable concerns and gets final product.
In the watertight caisson 20 that so constitutes, under the fit state of above-mentioned front case part 22 and rear cabinet portion 30, sealing element 40 is the compression shape between opening circumference 23a and flange part 34.And, by sealing parts 40, be sealed into preceding box main body portion 23 and rear cabinet main part 32 anti-watery.And at the outer circumferential side of sealing element 40, water retaining wall portion 36 is embedded into bears recess 26.
Therefore, under situations such as high Pressure-washing apparatus, in the front case part 22 of watertight caisson 20 and the bonding part of rear cabinet portion 30, even when high pressure water washing, because this high pressure water runs into water retaining wall portion 36 earlier, so high pressure water is difficult to directly be flushed to sealing element 40.Therefore, the skew of the sealing element 40 that causes by high pressure water etc. can be effectively prevented, excellent water resistance can be obtained.
And because in the bonding part of front case part 22 and rear cabinet portion 30, therefore assembling water retaining wall portion 36 and bear recess 26 etc. compares with the structure that miscellaneous part prevents high pressure water is set in addition, can make the formation miniaturization.
Particularly,, therefore can reduce the gap between front case part 22 and rear cabinet portion 30 junction surfaces as far as possible, obtain excellent water resistance owing to be that water retaining wall portion 36 is embedded into the structure of bearing in the recess 26.
And,, therefore can effectively prevent the problem that causes because of two case portions, 22,30 positions relation because under the state that makes the stable position relation of front case part 22 and 30 maintenances of rear cabinet portion, water retaining wall portion 36 is embedded into bears in the recess 26.
That is, suppose, for example utilized the camera apparatus of this watertight caisson, be installed to the situation of car body by the carriage that is installed on rear cabinet portion 30.Here, the image unit that comprises above-mentioned imaging apparatus 12 and pick-up lens 14 is fixed in front case part 22.Then, even concern with regular position that in rear cabinet portion 30 during the position deviation of rear cabinet portion 30 and front case part 22, the position of above-mentioned image unit also can be from regular position deviation with respect to car body under the situation about being installed on the car body.Therefore, the position deviation of rear cabinet portion 30 and front case part 22 can cause the skew of image pickup scope.So, by being embedded into, above-mentioned water retaining wall portion 36 bears in the recess 26, and make the position relation of two case portions 22,30 stable, can keep stable field range, can realize the stability of quality.
And Shuo Ming example is in the present embodiment, and water retaining wall portion 36 disconnects in each bight of flange part 34, promptly, water retaining wall portion 36 example that one week gave prominence to discontinuously at the junction surface, but for example, water retaining wall portion 36 also can be outstanding continuously in the mode of surrounding full week of junction surface.At this moment, on all directions in full week of junction surface, all can prevent high hydraulic pressure flushing sealing element 40, can obtain more excellent water resistance.
And the example that illustrates in the present embodiment is to form water retaining wall portion 36 in rear cabinet portion 30 sides, and form the example bear recess 26 in front case part 22 sides, but also can in the side-prominent formation water retaining wall of front case part portion, form the recess that bears that can embed this water retaining wall portion in rear cabinet portion side in contrast.
And then the example that illustrates in the present embodiment is that water retaining wall portion 36 does not have outer open country and is embedded into the example that bears in the recess 26, but not necessarily must be like this.For example, also can be following structure: bear the bottom or the outer openings of recess 26, the leading section or the outer lateral side of water retaining wall portion 36 are exposed to the outside.

Claims (9)

1. waterproof case for in-vehicle camera that is arranged at outside vehicle,
Have: casing, constitute by the 1st case portion and the 2nd case portion, accommodate image unit; With
Sealing element, between above-mentioned the 1st case portion and above-mentioned the 2nd case portion, with water-proff packing between above-mentioned the 1st case portion and the 2nd case portion,
Part between above-mentioned the 1st case portion and above-mentioned the 2nd case portion is provided with the water inlet that prevents from the water inlet of outside in above-mentioned sealing element and prevents stop element.
2. waterproof case for in-vehicle camera as claimed in claim 1, wherein,
The anti-stop element of above-mentioned water inlet has:
Water retaining wall portion is highlighted the periphery of the above-mentioned sealing element at the junction surface that is formed on above-mentioned the 1st case portion; With
Bear recess, be formed in the 2nd case portion,
Above-mentioned water retaining wall portion can be embedded into above-mentioned bearing in the recess.
3. waterproof case for in-vehicle camera as claimed in claim 2 wherein, so that above-mentioned the 1st case portion and above-mentioned the 2nd case portion keep the mode of stable position relation, is embedded into above-mentioned bearing in the recess with above-mentioned water retaining wall portion.
4. waterproof case for in-vehicle camera as claimed in claim 2, wherein, the camera lens that above-mentioned the 1st case portion has the pick-up lens that keeps in-vehicle camera keeps tube portion.
5. waterproof case for in-vehicle camera as claimed in claim 2, wherein, the camera lens that above-mentioned the 2nd case portion has the pick-up lens that keeps in-vehicle camera keeps tube portion.
6. waterproof case for in-vehicle camera as claimed in claim 1, wherein, the anti-stop element of above-mentioned water inlet is located at the periphery of above-mentioned sealing element.
7. waterproof case for in-vehicle camera as claimed in claim 1, wherein, form the sealing member accepting groove on any one party of above-mentioned the 1st case portion and the 2nd case portion, above-mentioned sealing element is housed in the above-mentioned sealing member accepting groove with the state that overflows from above-mentioned sealing member accepting groove.
8. waterproof case for in-vehicle camera as claimed in claim 1, wherein, by above-mentioned the 1st case portion of screw retention and the 2nd case portion.
9. waterproof case for in-vehicle camera as claimed in claim 2, wherein, above-mentioned water retaining wall portion is outstanding discontinuously from the junction surface of above-mentioned the 1st case portion.
CNA200610128072XA 2005-09-02 2006-09-01 Waterproof case for in-vehicle camera Pending CN1923571A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2005254416 2005-09-02
JP2005254416A JP2007062670A (en) 2005-09-02 2005-09-02 Waterproofing case for car-mounted camera and camera device

Publications (1)

Publication Number Publication Date
CN1923571A true CN1923571A (en) 2007-03-07

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ID=37775994

Family Applications (1)

Application Number Title Priority Date Filing Date
CNA200610128072XA Pending CN1923571A (en) 2005-09-02 2006-09-01 Waterproof case for in-vehicle camera

Country Status (4)

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US (1) US20070051646A1 (en)
JP (1) JP2007062670A (en)
CN (1) CN1923571A (en)
DE (1) DE102006041051A1 (en)

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CN102308571A (en) * 2009-02-23 2012-01-04 京瓷株式会社 Imaging module
CN103841307A (en) * 2012-11-27 2014-06-04 江苏东方汽车装饰件总厂 Waterproof and shockproof automobile camera shell assembly
CN104105622A (en) * 2012-02-02 2014-10-15 伊利诺斯工具制品有限公司 Vehicle camera-securing assembly
CN107206937A (en) * 2014-12-31 2017-09-26 金泰克斯公司 Backsight vehicle camera
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CN102308571B (en) * 2009-02-23 2014-04-02 京瓷株式会社 Imaging module
CN104105622A (en) * 2012-02-02 2014-10-15 伊利诺斯工具制品有限公司 Vehicle camera-securing assembly
CN103841307A (en) * 2012-11-27 2014-06-04 江苏东方汽车装饰件总厂 Waterproof and shockproof automobile camera shell assembly
CN107206937A (en) * 2014-12-31 2017-09-26 金泰克斯公司 Backsight vehicle camera
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CN111853436A (en) * 2019-04-26 2020-10-30 佳能株式会社 Camera pan-tilt equipment

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DE102006041051A1 (en) 2007-03-22
JP2007062670A (en) 2007-03-15
US20070051646A1 (en) 2007-03-08

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Application publication date: 20070307