CN104246533A - Vehicle ultrasonic sensor apparatus, and method for assembling vehicle ultrasonic sensor apparatus - Google Patents
Vehicle ultrasonic sensor apparatus, and method for assembling vehicle ultrasonic sensor apparatus Download PDFInfo
- Publication number
- CN104246533A CN104246533A CN201380020607.XA CN201380020607A CN104246533A CN 104246533 A CN104246533 A CN 104246533A CN 201380020607 A CN201380020607 A CN 201380020607A CN 104246533 A CN104246533 A CN 104246533A
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- China
- Prior art keywords
- ultrasonic sensor
- bumper
- holding member
- antivibrating parts
- vehicle
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
- G01S7/521—Constructional features
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/004—Mounting transducers, e.g. provided with mechanical moving or orienting device
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
- B60R19/02—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
- B60R19/48—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects combined with, or convertible into, other devices or objects, e.g. bumpers combined with road brushes, bumpers convertible into beds
- B60R19/483—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects combined with, or convertible into, other devices or objects, e.g. bumpers combined with road brushes, bumpers convertible into beds with obstacle sensors of electric or electronic type
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
- G01S15/88—Sonar systems specially adapted for specific applications
- G01S15/93—Sonar systems specially adapted for specific applications for anti-collision purposes
- G01S15/931—Sonar systems specially adapted for specific applications for anti-collision purposes of land vehicles
- G01S2015/937—Sonar systems specially adapted for specific applications for anti-collision purposes of land vehicles sensor installation details
- G01S2015/938—Sonar systems specially adapted for specific applications for anti-collision purposes of land vehicles sensor installation details in the bumper area
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Abstract
A vehicle ultrasonic sensor apparatus is provided with an ultrasonic sensor including an ultrasonic vibrator, and a holder member for housing the ultrasonic sensor. The ultrasonic sensor is mounted at a predetermined location of a vehicle bumper having an outer surface exposed to the outside and an inner surface positioned on the opposite side to the outer surface. At the predetermined location of the bumper, a bumper hole is provided in a front end direction from the inner surface toward the outer surface. The holder member has a holder member hole in the front end direction. A first portion of the ultrasonic sensor is housed in the bumper hole, while a second portion is housed in the holder member hole. The inner surface of the bumper includes a contact surface in contact with the holder member. The holder member is made of an elastic material and is integrated with an antivibration member which covers at least a part of a side surface of the ultrasonic sensor, with the second portion of the ultrasonic sensor housed in the holder member hole. The antivibration member includes a protruding end portion protruding beyond the contact surface of the bumper in the front end direction in such a manner as to be fitted in the bumper hole.
Description
Technical field
The present invention is based on the Japanese publication 2012-099052 CLAIM OF PRIORITY of application on April 24th, 2012, quote its contents at this.
The present invention relates to the assemble method of vehicle ultrasonic sensor apparatus and vehicle ultrasonic sensor apparatus.
Background technology
In the past, being known to a kind of vehicle bumper for being formed with through hole, and the assembled ultrasonic sensor apparatus of the mode of sensing detection can being carried out via through hole according to sensor element.
Such as, Patent Document 1 discloses after a kind of inner side of vehicle bumper of part being formed with through hole installed the holding member with pipe portion by bonding grade, by the module of ultrasonic sensor being inserted the pipe portion of this holding member, carry out the technology of the module to vehicle bumper assembling ultrasonic sensor.Thus, even if also change can not be caused, so designability can not reduce to the outside surface design of vehicle bumper owing to installing holding member.
Further, in patent documentation 1, also disclose the through hole by ultrasonic sensor being inserted into vehicle bumper, until the head of the module of ultrasonic sensor be positioned at the outside surface of vehicle bumper almost same plane till, obtain good outward appearance.
In addition, generally in order to limit the direction that ultrasound wave is transmitted, the antivibrating parts of known utilization suppression vibration covers the face beyond the face wanting the direction of carrying out sensing detection in multiple of the ultrasonic oscillator that ultrasonic sensor possesses.
But, in the technology disclosed in patent documentation 1, due to when holding member being fixed on bumper by bonding grade, while look around the vehicle bumper of the part being formed with through hole from outside, while from inner side by fixing holding member such as bonding grade, so be difficult to make the center of the through hole of vehicle bumper consistent with the axle in the pipe portion of holding member.In addition, if the axis deviation in the pipe portion of the center of through hole and holding member, even if then insert the module of ultrasonic sensor to holding member, also easily produce the unfavorable condition that cannot be inserted into the through hole of vehicle bumper.
In order to obtain good outward appearance, need the gap of the radial direction of the through hole reduced when ultrasonic sensor being inserted into through hole.In addition, when utilizing antivibrating parts to cover ultrasonic sensor, the gap of the through hole produced after needing to reduce that antivibrating parts is inserted into through hole.But because this gap is less, the permissible value that the position between the axle in the center of the through hole of vehicle bumper and the pipe portion of holding member is departed from is less, so the module of ultrasonic sensor becomes more difficult to the assembling of vehicle bumper.
Patent documentation 1: Japanese Unexamined Patent Application Publication 2001-527480 publication
Summary of the invention
The present invention proposes in view of the foregoing, its object is to, be provided in and ultrasonic sensor be inserted into the through hole being arranged at vehicle bumper when carrying out the assembling to vehicle bumper, good outward appearance can be obtained, and hold the assemble method of easy-to-assemble vehicle ultrasonic sensor apparatus and vehicle ultrasonic sensor apparatus.
The vehicle ultrasonic sensor apparatus that the 1st aspect of the present invention relates to possesses: have the ultrasonic sensor of ultrasonic oscillator and accommodate the holding member of described ultrasonic sensor.Described ultrasonic sensor is installed in the predetermined portion of the bumper of vehicle, and described bumper has the inside of the outside surface being exposed to outside and the opposition side being positioned at described outside surface.Be provided with from described the inside towards the bumper hole of the direction of described outside surface that is the through described bumper of front extreme direction in the predetermined portion of described bumper.The Part I of described ultrasonic sensor is accommodated in described bumper hole.The inside of described bumper has the surface of contact connected with the face just right with the inside of described bumper of described holding member.Described holding member is provided with the retention feature apertures at the through described holding member of described front extreme direction.The Part II of described ultrasonic sensor is housed in described retention feature apertures.Described holding member is made up of resilient material and integrated with antivibrating parts, covers the side of this ultrasonic sensor at least partially under the state that this antivibrating parts is accommodated in described retention feature apertures at the Part II of described ultrasonic sensor.Described antivibrating parts has to the outstanding nose portion of described front extreme direction.Described nose portion is according to the mode being embedded in described bumper hole, also more outstanding to described front extreme direction than the surface of contact of described bumper.
According to above-mentioned vehicle ultrasonic sensor apparatus, when ultrasonic sensor being inserted into the through hole being arranged at vehicle bumper and assembling to vehicle bumper, good outward appearance can not only be obtained, and assembling also becomes easy.
Other modes of the present invention relate to the method that the vehicle ultrasonic sensor apparatus described first method related to is assembled into the inside assembling of the bumper of the described vehicle being provided with through hole, it comprises: be embedded in described bumper hole according to the nose portion of the described antivibrating parts integrated with described holding member, and the mode that the face just right with the inside of described bumper of described holding member and the inside of described bumper connect installs described holding member; With described ultrasonic sensor is contained in described retention feature apertures until the vibration plane of described ultrasonic sensor and the outside surface of described bumper are positioned at roughly same plane.
According to the assemble method of above-mentioned vehicle ultrasonic sensor apparatus, when ultrasonic sensor being inserted into the through hole being located at vehicle bumper and assembling to vehicle bumper, good outward appearance can not only be obtained, and assembling also becomes easy.
Accompanying drawing explanation
With reference to accompanying drawing and according to following detailed record, meeting definitely above-mentioned purpose of the present invention and other objects, feature and advantage.For this accompanying drawing,
Fig. 1 is the partial sectional view of the brief configuration representing the ultrasonic sensor apparatus that embodiments of the present invention 1 relate to.
Fig. 2 represents the vibration plane of bumper outside surface, ultrasonic oscillator, the schematic diagram with the outer shape of the nose portion of outer peripheral face antivibrating parts.
Fig. 3 (a) to Fig. 3 (c) is the schematic diagram for being described for the assemble method of vehicle bumper ultrasonic sensor apparatus.
Fig. 4 is the partial sectional view of the brief configuration representing the ultrasonic sensor apparatus that embodiments of the present invention 2 relate to.
Fig. 5 is the partial sectional view be described for the retainer protruding end of the retainer to embodiment 2.
Embodiment
Below, accompanying drawing is utilized to be described embodiments of the present invention.
(embodiment 1)
Fig. 1 is the partial sectional view of the brief configuration of the ultrasonic sensor apparatus 100 representing embodiment 1.As shown in Figure 1, ultrasonic sensor apparatus 100 comprises ultrasonic sensor 10, retainer 20, double faced adhesive tape 30, outer peripheral face antivibrating parts 40 and shell 50.Ultrasonic sensor apparatus 100 carries out action as the vehicle ultrasonic sensor apparatus that the present invention relates to.
Ultrasonic sensor 10 possesses transmission ultrasound wave and receives hyperacoustic ultrasonic oscillator 11, back side antivibrating parts 12 after being reflected by barrier.In the present embodiment, ultrasonic oscillator 11 is provided by microphone.Ultrasonic sensor 10 is assembled into the predetermined portion of vehicle bumper 200, such as, use as radar for backing car or angle measurement radar.As ultrasonic sensor 10, as long as use the structure of known equipment.Vehicle bumper 200 has the inside 200b of the outside surface 200c exposed in outside and the opposition side being positioned at outside surface 200c.Below, being provided with the predetermined portion of bumper 200 of ultrasonic sensor 10, the extended line along the distance (thickness of bumper) from the outside surface 200c of bumper to the inside 200b is called axis of reference.That is, in predetermined portion, if the outside surface 200c of bumper 200 and the inside 200b less parallel, then axis of reference is orthogonal with outside surface 200c and the inside 200b.Below, along axis of reference, relative vehicle direction is toward the outer side called lateral direction, relative vehicle is called direction, inner side (or inboard direction) towards the direction of inner side.Further, because the direction of the surperficial 200c toward the outside of the inside 200b from bumper is also relative to the direction of vehicle towards end, so also referred to as front extreme direction.
The housing of such as microphone 11 forms conducting film by the surface at metal material, insulating material and the parts with electric conductivity are formed.In the present embodiment, as an example, the housing of microphone 11 is formed by aluminium, and vibration plane 11a is rounded.
Back side antivibrating parts 12 is elastic bodys of the vibrationproof for alleviating the vibration that microphone 11 produces.As back side antivibrating parts 12, as long as such as use the structure of the rubber such as silicon rubber.Back side antivibrating parts 12 according to cover microphone 11 with the mode in the face of vibration plane 10a opposition side, be such as bonded in ultrasonic sensor 10 by the bonding agent etc. of silicon system.
Retainer 20 is the inside 200b being installed in the vehicle bumper 200 being provided with through hole (hereinafter referred to as the bumper hole) 200a formed along axis of reference, relative to vehicle bumper 200, ultrasonic sensor 10 is remained on the parts of assigned position.Retainer 20 plays function as holding member.Retainer 20 is formed by the material that spring rate is lower than outer peripheral face antivibrating parts 40.Such as, as long as the structure structure that formed by resins such as polybutylene terephthalates (PBT) of retainer 20.
Retainer 20 is roughly formed to outstanding cylindrical portion 20c by the plate-like portion 20b just right with the inside 200b of vehicle bumper 200 with from this plate-like portion 20b to inward side along axis of reference.In addition, in the through hole (hereinafter referred to as keeper bore 20a) being arranged at above-mentioned cylindrical portion 20c along described axis of reference, receive a part for ultrasonic sensor 10.As shown in Figure 1, under the state being installed in the predetermined portion of the bumper 200 of vehicle at ultrasonic sensor 10, a part (Part I) is incorporated in bumper hole 200, and other positions (Part II) is incorporated in keeper bore 20a.Keeper bore 20a plays function as retention feature apertures.
The central shaft of keeper bore 20a and the inside (inside the bumper) 200b of vehicle bumper 200.In addition, the nose portion 40a of outer peripheral face antivibrating parts 40 described later is to the chimeric direction of bumper hole 200a and axis of reference less parallel.In addition, as the direction that retainer 20 is installed to bumper 200 installation direction along axis of reference toward the outer side direction (front extreme direction).
Double faced adhesive tape 30 is the fixed parts for retainer 20 being fixed on vehicle bumper 200.As long as such as double faced adhesive tape 30 by be bonded in the described plate-like portion 20b of retainer 20 in advance with the bumper of vehicle bumper 200 inside the structure in the just right face of 200b.
In addition, in the present embodiment, illustrate the structure using double faced adhesive tape 30 retainer 20 to be fixed on vehicle bumper 200, but might not be confined to this.Such as, also can be by bonding agent etc., retainer 20 is fixed on the structure of vehicle bumper 200 except double faced adhesive tape, can also be by welding or spraying the structure combining and retainer 20 is fixed on vehicle bumper 200.
Outer peripheral face antivibrating parts 40 is elastic bodys of the vibrationproof of the vibration that the ultrasonic oscillator 11 for alleviating ultrasonic sensor 10 produces.As outer peripheral face antivibrating parts 40, as long as such as use the formation of the rubber such as silicon rubber.In addition, as outer peripheral face antivibrating parts 40, can be the formation adopting the material identical with back side antivibrating parts 12, also can be the formation adopting unlike material.
Outer peripheral face antivibrating parts 40 such as integrally formed with retainer 20 (such as inlay be shaped or two look shapings etc.) in the inner peripheral surface of keeper bore 20a.More specifically, when outer peripheral face antivibrating parts 40 is configured to ultrasonic sensor 10 to be accommodated in keeper bore 20a, cover the periphery (in other words side) of the radial direction of the keeper bore 20a in microphone 11.
Thus, outer peripheral face antivibrating parts 40, when ultrasonic sensor 10 is accommodated in keeper bore 20a, suppresses the vibration of the side of ultrasonic sensor 10.In addition, for the object of the vibration of the side of suppression ultrasound wave outer sensor 10, in technology in the past, wait the antivibrating parts such as silicon rubber is integrated with the side of ultrasonic sensor 10 by bonding, but in this application, antivibrating parts is not integrated with the side of ultrasonic sensor 10, and outer peripheral face antivibrating parts 40 is integrated with retainer 20 side.
Wherein, can be throughout not integrated with the antivibrating parts structure in the whole face of the side of ultrasonic sensor 10, also can be not integrated with the antivibrating parts structure of a part in the side of ultrasonic sensor 10.That is, be the structure integrated with retainer 20 to the antivibrating parts covered at least partially of whole of the side of ultrasonic sensor 10 or side.When the structure that antivibrating parts is not integrated with a part for the side of ultrasonic sensor 10, when ultrasonic sensor 10 is accommodated in keeper bore 20a, for the region of retainer 20 side being positioned at the region corresponding with this antivibrating parts, it also can be the structure that outer peripheral face antivibrating parts 40 is not set.
In addition, outer peripheral face antivibrating parts 40 abuts chimeric mode according to the opening edge portion of bumper hole 200a, and than the face connected with vehicle bumper 200 of retainer 20, along axis of reference, direction is projecting toward the outer side.That is, the installation direction to vehicle bumper 200 along retainer 20 is outstanding.Below, the face abutted with retainer 20 in the inside 200b of bumper 200 is called surface of contact.Outer peripheral face antivibrating parts 40 plays function as antivibrating parts.
As an example, hole shape and the aperture of the hole shape of keeper bore 20a and aperture and bumper hole 200a are configured to roughly the same, and outer peripheral face antivibrating parts 40 is extended to be set as along the inner peripheral surface of keeper bore 20a and gives prominence to towards described installation direction than bumper contact.
Below, nose portion 40a is called than bumper contact towards the part that described installation direction is outstanding by outer peripheral face antivibrating parts 40.Wherein, the face just right with the inside 200b of vehicle bumper 200 of the part of above-mentioned bumper contact face i.e. the described tabular of retainer 20.
More specifically, when outer peripheral face antivibrating parts 40 is provided in and nose portion 40a is embedded in bumper hole 200a and retainer 20 is installed on vehicle bumper 200, the front end of nose portion 40a is positioned at and the outside surface of vehicle bumper 200 (hereinafter referred to as bumper outside surface) 200c roughly same plane.
In addition, till the part being accommodated in keeper bore 20a in outer peripheral face antivibrating parts 40 is set to the midway of keeper bore 20a, to produce the clear area of specified length at keeper bore 20a with described installation direction reverse direction side.
In the present embodiment, illustrate structure integrally formed to retainer 20 and outer peripheral face antivibrating parts 40, but might not be confined to this.Such as, also can be after retainer 20 is shaped, by bonding agent etc., outer peripheral face antivibrating parts 40 is installed on the structure (hereinafter referred to as variation 1) of retainer 20.
Shell 50 is frameworks of assembled ultrasonic sensor 10, roughly by the approximate box like of the not shown circuit substrate of collecting main part and formed from the bottom surface sections of the casing of this main part to anti-open side with the peristome of the outstanding and assembled ultrasonic sensor 10 of cylindrical shape.In FIG, for convenience's sake, illustrate only a part for the peristome of shell 50.
Ultrasonic sensor 10 is by being gently pressed into the peristome of shell 50 with back side antivibrating parts 12 for front and being assembled in shell 50.In addition, shell 50 becomes the structure be fixed when ultrasonic sensor 10 inserts a certain amount of to peristome.
Such as, can be that recess, protuberance are provided with to shell 50 and back side antivibrating parts 12, so that ultrasonic sensor 10 is fitted together to and the structure that is fixed when the peristome of shell 50 inserts a certain amount of.In addition, also can be set as certain degree of depth by the peristome of shell 50, the structure be fixed when ultrasonic sensor 10 is inserted a certain amount of to peristome.
As an example, the hole shape of the periphery of the peristome of shell 50 and aperture are configured to the shape roughly the same with keeper bore 20a and aperture.And, when the peristome of the shell 50 by assembling ultrasonic sensor 10 inserts keeper bore 20a, the front end of the peristome of shell 50 and be set to keeper bore 20a midway till outer peripheral face antivibrating parts 40 hook and be fixed.
In addition, be set to the outer peripheral face antivibrating parts 40 till the midway of keeper bore 20a and the peristome of the shell 50 of structure that is fixed when ultrasonic sensor 10 inserts a certain amount of to be set as and to meet following condition.Specifically, when the front end of the peristome of the shell 50 by assembling ultrasonic sensor 10 be inserted into nose portion 40a is embedded in bumper hole 200a and is installed to the keeper bore 20a of retainer 20 of vehicle bumper 200, vibration plane (that is, the vibration plane of the ultrasonic sensor 10) 11a being arranged to microphone 11 is positioned at and bumper outside surface 200c roughly same plane and being fixed.
The ultrasonic sensor apparatus 100 of formation like this is can carry out the mode of sensing detection via bumper hole 200a, the state being configured in the inside of bumper hole 200a with a part for ultrasonic sensor 10 is fixed and uses.That is, ultrasonic sensor apparatus 100 can not carry out hyperacousticly sending ripple and by ripple via vehicle bumper 200 ground.And under this stationary state, as mentioned above, the vibration plane 11a of bumper outside surface 200c and ultrasonic oscillator 11 is positioned at roughly same plane.
In addition, the outer shape of the vibration plane 11a of bumper outside surface 200c and ultrasonic oscillator 11 becomes concentrically ringed relation as shown in Figure 2.Wherein, in the present embodiment, except the vibration plane 11a of bumper outside surface 200c and ultrasonic oscillator 11, the nose portion 40a of outer peripheral face antivibrating parts 40 is also positioned at roughly same plane, and respective outer shape becomes concentrically ringed relation.
Next, Fig. 1 and Fig. 3 (a) ~ assemble method of Fig. 3 (c) to ultrasonic sensor apparatus 100 relative vehicle bumper 200 is used to be described.
First, first retainer 20 is installed for the vehicle bumper 200 being provided with bumper hole 200a.Specifically, with the front end of the nose portion 40a of outer peripheral face antivibrating parts 40 for front, along axis of reference in outward direction (front extreme direction) from the inside 200b of vehicle bumper 200 be inserted into bumper hole 200a (with reference to Fig. 3 (a)).Now, due to the nose portion 40a elastic deformation of outer peripheral face antivibrating parts 40, so can be pressed into towards the outside surface 200c of vehicle bumper 200 under the state of the contact internal walls of nose portion 40a and bumper hole 200a.
Then, by nose portion 40a along axis of reference in outward direction (front extreme direction) be pressed into bumper hole 200a, until the described bumper contact face of retainer 20 connects with 200b inside the bumper of vehicle bumper 200.So, the double faced adhesive tape 30 bonded with bumper contact face also with bumper inside 200b bond, retainer 20 is fixed in vehicle bumper 200 (with reference to Fig. 3 (b)).Operation is hereto equivalent to holding member installation procedure.
After retainer 20 is fixed on vehicle bumper 200, the front end of the peristome assembling the shell 50 of ultrasonic sensor 10 is inserted into the keeper bore 20a of retainer 20.That is, with vibration plane 11a for front and along axis of reference in outward direction (front extreme direction) ultrasonic sensor 10 is inserted into the keeper bore 20a (with reference to Fig. 3 (c)) of retainer 20.
And, under the vibration plane 11a of vehicle bumper outside surface 200c, the ultrasonic sensor 10 and nose portion 40a of outer peripheral face antivibrating parts 40 is positioned at approximate conplane state, the front end of the peristome of shell 50 and be set to keeper bore 20a midway till outer peripheral face antivibrating parts 40 hook and be fixed, ultrasonic sensor 10 is maintained at assigned position (with reference to Fig. 1).That is, the state that ultrasonic sensor 10 is fixed in vehicle bumper 200 is become.This operation is equivalent to ultrasonic sensor collecting operation.
According to above structure, owing to being provided with outer peripheral face antivibrating parts 40 in the mode chimeric with bumper hole 200a at retainer 20, so by making this outer peripheral face antivibrating parts 40 (being specifically nose portion 40a) be embedded in bumper hole 200a, can easily carry out the location of retainer 20 relative to bumper hole 200a.
In addition, owing to being provided with outer peripheral face antivibrating parts 40 in the mode of the periphery covering ultrasonic sensor 10 when ultrasonic sensor 10 being contained in keeper bore 20a, if so make outer peripheral face antivibrating parts 40 be embedded in bumper hole 200a, then keeper bore 20a aligns with the center of bumper hole 200a.Therefore, by ultrasonic sensor 10 being contained in retention feature apertures under the state making outer peripheral face antivibrating parts 40 be embedded in bumper hole 200a, ultrasonic sensor 10 can being easily inserted into bumper hole 200a and being fixed.That is, directly ultrasonic sensor 10 can be inserted into bumper hole 200a, vehicle ultrasonic sensor apparatus becomes easy to the layout of bumper 200.
And, because outer peripheral face antivibrating parts 40 is elastic bodys, can differently be pressed into bumper hole 200a with rigid body, thus do not need when new use the locating structure of rigid body to carry out the location of holding member relative to bumper hole 200a required chimeric gap.In addition, do not need at the tool using the rigid body such as metal bar, chimeric gap required when carrying out the location of bumper hole 200a with the through hole of the holding member of ultrasonic sensor 10 yet.Therefore, also can prevent the position of chimeric gap value from departing from.
In addition, because the bumper contact face that with vehicle bumper connect of outer peripheral face antivibrating parts 40 than retainer 20 is given prominence to, so under the state ultrasonic sensor 10 being received into the retainer 20 being installed on vehicle bumper, outer peripheral face antivibrating parts 40 and ultrasonic sensor 10 can only be seen from the outside of vehicle bumper 200 in the region of bumper hole 200a.Ultrasonic sensor 10 is covered around, so be inserted in the same manner as the outward appearance of the situation of bumper hole 200a and can obtain good outward appearance with ultrasonic sensor accurately can being located because outer peripheral face antivibrating parts 40 is generally set as.
In addition, in the outward appearance of vehicle bumper 200, because bumper outside surface 200c, ultrasonic sensor 10 (being specifically vibration plane 11a) and outer peripheral face antivibrating parts 40 (being specifically nose portion 40a) are positioned at roughly same plane, so be inserted in the same manner as the outward appearance of the situation of bumper hole 200a and can obtain good outward appearance with the general ultrasonic sensor being wound with antivibrating parts in periphery accurately can being located.
(embodiment 2)
The present invention is not limited to above-mentioned embodiment 1, and following embodiment 2 is also contained in technical scope of the present invention.Below, accompanying drawing is used to be described this embodiment 2.Fig. 4 is the partial sectional view of the brief configuration of the ultrasonic sensor apparatus 101 representing embodiment 2.Wherein, for convenience of explanation, give identical Reference numeral for the parts with the function identical with the parts that represent in the figure that the explanation of above-mentioned embodiment 1 uses, come that the description thereof will be omitted.
As shown in Figure 4, ultrasonic sensor apparatus 101 is same with ultrasonic sensor apparatus 100, is made up of ultrasonic sensor 10, retainer 20, double faced adhesive tape 30, outer peripheral face antivibrating parts 40 and shell 50.Therefore, ultrasonic sensor apparatus 101 also carries out action as vehicle ultrasonic sensor apparatus.Ultrasonic sensor apparatus 101, except the shape difference of a part for retainer 20 and outer peripheral face antivibrating parts 40, is the structure same with the ultrasonic sensor apparatus 100 of embodiment 1.Below, the shape of the distinctive retainer 20 of ultrasonic sensor apparatus 101 and outer peripheral face antivibrating parts 40 is described.
The retainer 20 of embodiment 2 is with the difference of the retainer 20 of embodiment 1, to have according to abutting with the opening edge portion of bumper hole 200a chimeric mode than above-mentioned bumper contact face also towards nose portion (hereinafter referred to as the retainer protruding end) 20d (reference Fig. 5) that the installation direction of retainer 20 is given prominence to.This retainer protruding end 20d plays function as holding member jut.Wherein, the retainer 20 of embodiment 2 is also positioned at outer circumferential side than outer peripheral face antivibrating parts 40.
The retainer protruding end 20d of embodiment 2 is configured to compared with the nose portion 40a of outer peripheral face antivibrating parts 40 less from giving prominence to of above-mentioned bumper contact face, and front end is covered by outer peripheral face antivibrating parts 40.
In other words, the retainer 20 of embodiment 2 is provided in the part at least except the region of the front end from nose portion 40a to the length of regulation in the region of the outer peripheral face antivibrating parts 40 of embodiment 1, more outstanding than the central side of structure also to keeper bore 20a of embodiment 1.
On the other hand, for outer peripheral face antivibrating parts 40, compared with the region of the outer peripheral face antivibrating parts 40 of embodiment 1, cut down retainer 20 amount more outstanding to the central side of keeper bore 20a than the structure of embodiment 1 and arranged.
In addition, for outer peripheral face antivibrating parts 40, from the front end of retainer protruding end 20d to the front end of nose portion 40a, be set up the above-mentioned Length Quantity be added with the length of the radial direction of the front end of retainer protruding end 20d by the length of the radial direction in region of cutting down.
The footpath of the inner peripheral surface of cylindric outer peripheral face antivibrating parts 40 is same with embodiment 1, can cover the periphery of ultrasonic sensor 10 when ultrasonic sensor 10 being accommodated in keeper bore 20a.
According to above structure, outer peripheral face antivibrating parts 40 (being specifically nose portion 40a) can be made to be embedded in bumper hole 200a, and, make the retainer protruding end 20d of retainer 20 also be embedded in bumper hole 200a.
When only making outer peripheral face antivibrating parts 40 be embedded in bumper hole 200a, because outer peripheral face antivibrating parts 40 is elastic body, so when masterpiece is used for above-mentioned direction, bumper contact face, there is outer peripheral face antivibrating parts 40 and bend and depart from chimeric possibility.On the other hand, when making retainer protruding end 20d also be embedded in bumper hole 200a, because retainer 20 is made up of the material that spring rate is lower than outer peripheral face antivibrating parts 40, even if so when masterpiece is used for above-mentioned direction, bumper contact face, is also difficult to flexure and not easily departs from chimeric.
In addition, in the structure of embodiment 2, because the front end of retainer protruding end 20d is also covered by outer peripheral face antivibrating parts 40, so in the outward appearance of vehicle bumper 200, bumper outside surface 200c, ultrasonic sensor 10 (being specifically vibration plane 11a) and outer peripheral face antivibrating parts 40 (being specifically nose portion 40a) are positioned at roughly same plane.Therefore, by the structure of embodiment 2, also good outward appearance can be obtained.
In the above-described embodiment, exemplified with the situation making keeper bore 20a, the shape of bumper hole 200a is circle, but this might not be confined to.Such as, also thought of the present invention can be applied when becoming other shapes such as rectangle.Wherein, when making keeper bore 20a, the shape of bumper hole 200a is when being the shape beyond circle, as long as according to when ultrasonic sensor 10 is accommodated in keeper bore 20a, cover the mode of the periphery of this ultrasonic sensor 10 in the direction intersected vertically with the installation direction of retainer 20, retainer 20 is arranged to the structure of outer peripheral face antivibrating parts 40.
In accordance with embodiment to invention has been description, but the present invention is not limited to this embodiment, structure.The present invention also comprises the distortion in various variation, equivalency range.Further, various combination, mode, even only comprise one of them key element, for more than these key elements or other following combinations, mode also belong to category of the present invention, thought range.
Claims (6)
1. a vehicle ultrasonic sensor apparatus, possesses: have the ultrasonic sensor (10) of ultrasonic oscillator (11) and accommodate the holding member (20) of described ultrasonic sensor, wherein,
Described ultrasonic sensor is installed in the predetermined portion of the bumper (200) of vehicle,
Described bumper has the inside (200b) of the outside surface (200c) being exposed to outside and the opposition side being positioned at described outside surface,
Be provided with from described the inside towards the bumper hole (200a) of the direction of described outside surface that is the through described bumper of front extreme direction in the predetermined portion of described bumper,
The Part I of described ultrasonic sensor is accommodated in described bumper hole,
The inside of described bumper has the surface of contact connected with the face just right with the inside of described bumper of described holding member,
Described holding member is provided with the retention feature apertures (20a) at the through described holding member of described front extreme direction,
The Part II of described ultrasonic sensor is accommodated in described retention feature apertures,
Described holding member is made up of resilient material and integrated with antivibrating parts (40), the side of this ultrasonic sensor is covered at least partially under the state that this antivibrating parts (40) is accommodated in described retention feature apertures at the Part II of described ultrasonic sensor
Described antivibrating parts has the nose portion (40a) outstanding to described front extreme direction,
Described nose portion is according to the mode being embedded in described bumper hole, also more outstanding to described front extreme direction than the surface of contact of described bumper.
2. vehicle ultrasonic sensor apparatus according to claim 1, is characterized in that,
Described holding member is integrated with antivibrating parts, covers the whole of the side of this ultrasonic sensor under the state that this antivibrating parts is accommodated in described retention feature apertures at the Part II of described ultrasonic sensor.
3. vehicle ultrasonic sensor apparatus according to claim 1 and 2, is characterized in that,
Described holding member is made up of the resilient material that the spring rate of the resilient material than described antivibrating parts is low,
This holding member has according to the mode being embedded in described bumper hole from the surface of contact of the described bumper holding member jut (20d) outstanding to described front extreme direction,
The front end of described holding member jut than the front end of the described nose portion of described antivibrating parts closer to the surface of contact of described bumper,
Described antivibrating parts covers the front end of the holding member jut of described holding member.
4. vehicle ultrasonic sensor apparatus as claimed in any of claims 1 to 3, is characterized in that,
Described antivibrating parts and described holding member integrally formed.
5. vehicle ultrasonic sensor apparatus as claimed in any of claims 1 to 4, is characterized in that,
The nose portion of described antivibrating parts is embedded in described bumper hole,
Under the state that described holding member is installed in described bumper, the front end of described nose portion and the outside surface of described bumper are positioned at roughly same plane.
6. the assemble method of a vehicle ultrasonic sensor apparatus, vehicle ultrasonic sensor apparatus in Claims 1 to 5 described in any one is assembled into the inside of the bumper of the described vehicle being provided with through hole, the feature of the assemble method of described vehicle ultrasonic sensor apparatus is, comprising:
Be embedded in described bumper hole according to the nose portion of the described antivibrating parts integrated with described holding member, the mode that the face just right with the inside of described bumper of described holding member and the inside of described bumper connect installs described holding member; With
Described ultrasonic sensor is contained in described retention feature apertures until the vibration plane (11a) of described ultrasonic sensor and the outside surface of described bumper are positioned at roughly same plane.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012-099052 | 2012-04-24 | ||
| JP2012099052A JP5849848B2 (en) | 2012-04-24 | 2012-04-24 | Ultrasonic sensor device for vehicle and method for assembling ultrasonic sensor device for vehicle |
| PCT/JP2013/002597 WO2013161221A1 (en) | 2012-04-24 | 2013-04-17 | Vehicle ultrasonic sensor apparatus, and method for assembling vehicle ultrasonic sensor apparatus |
Publications (2)
| Publication Number | Publication Date |
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| CN104246533A true CN104246533A (en) | 2014-12-24 |
| CN104246533B CN104246533B (en) | 2016-08-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201380020607.XA Active CN104246533B (en) | 2012-04-24 | 2013-04-17 | Vehicle ultrasonic sensor apparatus and the assemble method of vehicle ultrasonic sensor apparatus |
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| Country | Link |
|---|---|
| JP (1) | JP5849848B2 (en) |
| CN (1) | CN104246533B (en) |
| WO (1) | WO2013161221A1 (en) |
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| CN110612458A (en) * | 2017-05-16 | 2019-12-24 | 三菱电机株式会社 | Ultrasonic sensor device and obstacle detection device |
| CN111406223A (en) * | 2017-11-28 | 2020-07-10 | 株式会社电装 | Ultrasonic sensor |
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| JP6413657B2 (en) * | 2014-11-04 | 2018-10-31 | 株式会社デンソー | Ultrasonic sensor mounting structure and retainer |
| CN108032824A (en) * | 2017-12-27 | 2018-05-15 | 清华大学苏州汽车研究院（吴江） | A kind of knob vehicle-mounted ultrasonic wave sensor fixing device |
| HUE054740T2 (en) | 2018-11-26 | 2021-09-28 | Motherson Innovations Co Ltd | Sensor mounting for a sensor of a motor vehicle and cladding component of a motor vehicle with such a sensor mounting |
| JP7519781B2 (en) * | 2020-02-13 | 2024-07-22 | ジェコー株式会社 | Sensor fixing member for vehicle and method for manufacturing the same |
| CN116762362A (en) | 2021-01-26 | 2023-09-15 | 株式会社电装 | ultrasonic sensor |
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Also Published As
| Publication number | Publication date |
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| CN104246533B (en) | 2016-08-24 |
| JP5849848B2 (en) | 2016-02-03 |
| WO2013161221A1 (en) | 2013-10-31 |
| JP2013228225A (en) | 2013-11-07 |
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