WO2011027201A1 - 超音波センサ - Google Patents
超音波センサ Download PDFInfo
- Publication number
- WO2011027201A1 WO2011027201A1 PCT/IB2010/002129 IB2010002129W WO2011027201A1 WO 2011027201 A1 WO2011027201 A1 WO 2011027201A1 IB 2010002129 W IB2010002129 W IB 2010002129W WO 2011027201 A1 WO2011027201 A1 WO 2011027201A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- ultrasonic sensor
- circuit board
- housing
- sensor according
- sealing plate
- Prior art date
Links
Classifications
-
- 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
-
- 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
Definitions
- the present invention relates to an ultrasonic sensor that is mounted on a vehicle and used for obstacle detection and the like.
- a hollow housing 10 1 having an opening on one surface, and a transmitting / receiving element in which a transmitting / receiving surface on which ultrasonic transmission / reception is performed is exposed on the other surface of the housing 10 1 1 0 2 and a circuit board 1 0 3 on which an electronic circuit for processing an ultrasonic signal received in a housing 1 0 1 and transmitted / received via a transmission / reception element is mounted, and a transmission / reception element 1 0 2 and the circuit board 1 0 3 electrically connected to the wiring 1 0 4, a cover member 1 0 5 covering the opening of the housing 1 0 1, one end welded to the circuit board 1 0 3 etc.
- an ultrasonic sensor having a terminal 106 connected to a power supply terminal (not shown) connected at the other end.
- the said ultrasonic sensor when used for vehicles, the said ultrasonic sensor is installed in a place with high possibility of getting wet, such as a bumper and a front grill, and intense vibration. For this reason, in many conventional ultrasonic sensors, the housing 10 1 in which the circuit board 10 3 is accommodated is filled with a hydrophobic material 10 7 (silicon or the like) having hydrophobicity and elasticity. Yes. As a result, a configuration that ensures the required high water resistance and vibration resistance has become common (see, for example, Patent Document 1).
- a hydrophobic material 10 7 silicon or the like
- Patent Document 1 Japanese Patent Laid-Open Publication No. 2 025-2 4 3 5 1
- filling the filler 10 7 as in the conventional configuration not only increases the weight and cost, but also the circuit board 1 0 3 housed in the housing 1 0 1 due to its presence. Distortion may occur, and there is a possibility that a crack may occur in a soldered portion between the electronic component mounted on the circuit board 10 3.
- the detection area characteristics of the sensor will change before and after the filling.
- there is an external load accompanying thermal expansion and contraction of the filling material 107 there is an external load accompanying thermal expansion and contraction of the filling material 107, and as a change in detection area characteristics before and after filling,
- One example is the narrowing of the detection area.
- the drying process takes a lot of time, and in this respect, there is still room for improvement.
- the present invention has been made in view of the above-described reasons.
- An ultrasonic sensor that suppresses the increase in strikes, prevents the occurrence of distortion of the electronic circuit board, and shortens the manufacturing time is provided.
- a transmission / reception element that transmits / receives ultrasonic waves
- a housing having an element housing portion for accommodating a wave element, and a substrate housing portion having an opening for housing a circuit board, and having a communication hole for communicating the element housing portion and the substrate housing portion.
- a conducting means for electrically connecting the wave transmitting / receiving element and the circuit board through the communication hole, wherein the board housing portion is sealed by a lid member covering the opening.
- An ultrasonic sensor is provided.
- the substrate storage portion is sealed by the lid member, so that the waterproofness of the substrate storage portion can be easily secured, and furthermore, it is not necessary to fill the substrate storage portion with a filler.
- the lid member may be covered with the opening and welded to the housing.
- the lid member is welded to the housing, whereby the waterproofness of the substrate storage portion can be improved.
- the lid member may be laser-welded to the housing.
- the lid member is welded to the housing by a laser, whereby the waterproofness of the substrate storage portion can be enhanced.
- the lid member may be ultrasonically welded to the housing.
- the lid member is ultrasonically welded to the housing, so that the water resistance of the substrate storage portion can be increased.
- the lid member may be covered with the opening and bonded to the housing.
- a seal member may be interposed between the lid member and the opening periphery of the substrate storage portion. According to this configuration, the waterproofness of the substrate storage portion can be further improved.
- the communication hole may be closed with an adhesive.
- the adhesive is not filled in the board housing part but only in the communication hole, it is possible to suppress an increase in weight and cost, and to prevent the circuit board from being distorted. Manufacturing time can be shortened.
- the substrate housing portion may be formed with a concave portion having an opening at one end of the communication hole on the bottom surface, and at least the communication hole may be filled with an adhesive.
- the adhesive can be easily filled into the through-hole, and the waterproofing of the board storage portion can be achieved.
- the sex can be improved.
- one end of the communication hole may be opened on a bottom surface of the substrate storage portion, an annular rib may be provided around the communication hole, and at least the communication hole may be filled with an adhesive.
- the adhesive can be easily filled into the through-hole, and the waterproofness of the substrate storage portion can be further enhanced.
- the communication hole may be blocked by a sealing plate having a through hole through which the conducting means passes.
- the sealing plate may be welded to the wave transmitting / receiving element.
- moisture can be prevented from entering from the element storage portion to the substrate storage portion through the through hole of the sealing plate, and the waterproofness of the substrate storage portion can be maintained.
- the sealing plate may be laser-welded to the wave transmitting / receiving element.
- the waterproofness of the substrate storage portion can be further improved.
- the sealing plate may be ultrasonically welded to the wave transmitting / receiving element.
- the waterproofness of the substrate storage portion can be further improved.
- the sealing plate may be welded to the housing.
- the sealing plate may be laser welded to the housing.
- the waterproofness of the substrate storage portion can be further improved.
- the sealing plate may be ultrasonically welded to the housing.
- the waterproofness of the substrate storage portion can be further improved.
- the sealing plate may be bonded to the wave transmitting / receiving element after being temporarily fixed to the wave transmitting / receiving element by welding.
- the sealing plate may be bonded to the housing after being temporarily fixed to the housing by welding.
- the assembly accuracy of the sealing plate can be increased by welding, and the waterproof property of the substrate housing portion can be further enhanced by the adhesive.
- a seal member may be interposed between at least one of the sealing plate and the wave transmitting / receiving element and between the sealing plate and the housing.
- the waterproof property of the substrate storage portion can be further enhanced.
- the sealing plate may be formed with a protrusion that is gripped by an operator when the ultrasonic sensor is assembled. According to this configuration, the sealing plate can be easily assembled.
- the protrusion may support a circuit board.
- the protrusion may be welded to the circuit board to fix the circuit board.
- the circuit board is disposed opposite to the bottom surface of the substrate storage portion, and the substrate storage portion guides the circuit board from the opening of the substrate storage portion to a predetermined position on the bottom surface side of the substrate storage portion.
- a member may be provided.
- the circuit board can be easily accommodated in a predetermined position in the board accommodating portion.
- a support rib that supports the circuit board and a welding rib that is welded to the circuit board and sandwiches the circuit board together with the support rib may be formed in the board housing portion.
- the circuit board can be more stably fixed by holding the circuit board between the support rib and the welding rib.
- the board housing part is formed with a support rib for supporting the circuit board
- the lid member is provided with a pressing projection extending from the top plate of the lid member to the support rib side, together with the support rib
- the circuit board may be sandwiched and fixed.
- a transmission / reception element for transmitting / receiving ultrasonic waves; a circuit board on which an electronic circuit for processing an ultrasonic signal transmitted / received via the transmission / reception element is mounted; and an element for storing the transmission / reception element
- a housing portion having a housing portion and an opening for housing a circuit board; a housing in which a communication hole that communicates between the element housing portion and the substrate housing portion is formed; and a through hole that passes through the communication hole.
- FIG. 1 shows a cross-sectional view of an ultrasonic sensor according to Embodiment 1 of the present invention.
- FIGS. 2A and 2B show a wave transmitting / receiving element included in the ultrasonic sensor according to Embodiment 1
- FIG. 2A shows a front view
- FIG. 2B shows a cross-sectional view.
- FIGS. 3A and 3B show a cover of the ultrasonic sensor according to Embodiment 1
- FIG. 3A shows a front view
- FIG. 3B shows a cross-sectional view.
- FIGS. 4A and 4B are enlarged views of main parts of the ultrasonic sensor according to the first embodiment.
- FIG. 6 shows a cross-sectional view of the ultrasonic sensor according to the first embodiment.
- FIG. 7 shows a cross-sectional view of another embodiment of the ultrasonic sensor according to the first embodiment.
- FIG. 8 shows a cross-sectional view of an ultrasonic sensor according to Embodiment 2 of the present invention.
- FIG. 9 is a sectional view of another form of the ultrasonic sensor according to the second embodiment.
- FIG. 10 shows a cross-sectional view of an ultrasonic sensor according to Embodiment 3 of the present invention.
- FIG. 11 shows a cross-sectional view of an ultrasonic sensor according to Embodiment 4 of the present invention.
- FIG. 12 shows a cross-sectional view of the ultrasonic sensor according to Embodiment 4 provided with a terminal cover.
- FIG. 13 shows a cross-sectional view of an ultrasonic sensor in a conventional example.
- the ultrasonic sensor includes a transmission / reception element 1 that transmits and receives ultrasonic waves, a cover 2 that covers a surface other than the transmission / reception surface of the transmission / reception element 1, and a transmission / reception element 1
- Circuit board 3 on which an electronic circuit for processing an ultrasonic signal transmitted / received via the antenna is mounted, an element storage part 41 for storing the transmission / reception element 1, and an opening 4 2a.
- the circuit board 3 is accommodated in the circuit board 3 and the circuit board 4 is provided.
- the housing 4 in which the communication hole 4 3 is formed to connect the element storage 4 1 and the circuit board 4 2 is closed, and the communication hole 4 3 is closed.
- a sealing plate 5 to be connected, an external connection terminal 6 having one end connected to the circuit board 3 and the other end connected to an external terminal (not shown), and an opening in the board housing part 42
- a lid member 7 for covering the part.
- the wave transmitting / receiving element 1 includes a piezoelectric element (not shown), a case 11 1 in which the piezoelectric element is housed, a spacer 1 2 attached to the case 11 1, and a spacer. 1
- the base 1 3 is laminated to 1 2, and one end is electrically connected to the piezoelectric element, and the other end is connected to the connection terminal (wiring) 1 4 protruding outside the case 11 1.
- Case 11 is formed in a substantially cylindrical shape from polybutylene terephthalate colored in black. One surface is used as an ultrasonic wave transmitting / receiving surface with a piezoelectric element housed inside.
- the spacer 12 is formed in a substantially disc shape from a silicon resin and is attached to the other surface of the case 11.
- the spacer 12 is provided to absorb ultrasonic waves transmitted from the piezoelectric element to the other surface of the case 11.
- the base 13 is formed in a substantially disk shape and is stacked on the spacer 12.
- connection terminal 14 One end of the connection terminal 14 is connected to the electrode of the piezoelectric element, and the other end is drawn out through the case 11, the spacer 12 and the base 13.
- the cover 2 is formed in a substantially cylindrical shape with one surface opened from an elastic material, and surrounds the periphery of the wave transmitting / receiving element 1.
- the other surface of the cover 2 is fitted with a through hole 2 a through which the connection terminal 14 of the transmission / reception element 1 passes and a positioning rib 13 a protruding from the base 13.
- Positioning 3 ⁇ 4 2 b is drilled respectively.
- a protrusion 2 c is formed on the outer peripheral surface of the cover 1 along the outer peripheral surface.
- a protrusion 2 d for positioning toward the outer side is formed on the peripheral edge of the opening of the cover 1. Is formed.
- the outer diameter of the portion where the protrusion 2 c is formed in the cover 2 is substantially equal to the inner diameter of the element housing portion 41, and the outer diameter of the portion where the positioning protrusion 2 d is formed (one end of the cover 2). Is larger than the inner diameter of the element housing 41.
- the circuit board 3 is housed in the board housing portion 42 2 through the opening 4 2 a and connected to the connection terminal 14 that passes through the communication hole 43.
- the housing 4 is adjacent to the substrate storage part 42 with the substantially hollow box-type substrate storage part 42 having an opening 42a on one side, and the other surface (partition wall 44) of the substrate storage part 42 being sandwiched.
- the element housing part 4 1 is inserted into a position where the projection 2 d of the cover 2 is assembled to the force of the wave receiving element 1 force cover 2 and the position where the projection 2 d comes into contact with the peripheral edge of the opening of the element housing part 4 1.
- the wave transmitting / receiving element 1 is fixed in the element accommodating portion 41 by the protrusion 2 c of the cover 2 being pressed against the inner wall of the element accommodating portion 41.
- a shield material 4 2 1 for blocking electromagnetic waves from the outside is provided on the inner wall by simultaneous molding with the housing 4, and a guide 4 2 2 is formed on each of the pair of opposed inner walls. Has been.
- the guide 4 2 2 is formed in a substantially prismatic shape, and the tip part thereof is inward from the periphery of the opening 4 2 a.
- An inclined portion 4 2 2 a that is inclined toward the surface is formed.
- the circuit board 3 is opened along the guide 4 2 2 in the opening 4 of the board housing part 4 2. 2a Guided into the board storage section 42 from 2a and easily placed in the specified position on the bottom side.
- a rod-like support rib 4 2 3 and a rod-like weld rib 4 2 4 are formed from the bottom surface of the substrate housing portion 42, respectively.
- the circuit board 3 is placed in a state where the peripheral edge of the one side of the circuit board 3 abuts.
- the welding rib 4 2 4 is formed in an abbreviated shape by being bent at the tip when it is welded to the circuit board 3, and as shown in FIG. It is welded to the surface side periphery. As a result, the circuit board 3 is sandwiched and fixed between the support ribs 4 2 3 and the welding ribs 4 2 4.
- the sealing plate 5 is formed in a substantially rectangular plate shape from a white (translucent) polybutylene terephthalate, and a recess 51 is formed in the approximate center thereof. . That is, the sealing plate 5 includes a recess 51 and a flange 52 formed on the opening periphery of the recess 51.
- a recess 4 2 b is formed on the bottom surface of the substrate housing portion 42, one end of the communication hole 4 3 is opened on the bottom surface of the recess 4 2 b, and the sealing plate 5 connects the recess 51 with the communication hole 4. It is provided in the recess 4 2 b in a state where it is fitted in 3. Further, a through hole 51a is formed in the bottom surface of the recess 51 in the sealing plate 5, and the connection terminal 14 of the wave transmitting / receiving element 1 is inserted into the through hole 51a.
- the sealing plate 5 is joined to the bottom surface of the concave portion 4 2 b of the substrate housing portion 42 by the ultrasonic welding or the laser welding.
- the welding method is not limited to ultrasonic welding or laser welding, but may be vibration welding or the like. Further, instead of welding, bonding with an adhesive may be performed. As a result, the gap between the sealing plate 5 and the housing 1 is closed.
- the sealing plate 5 has a bottom surface of the recess 51 that passes through the communication hole 4 3 and the insertion hole 2 a of the cover 2 and contacts the bottom surface (base 13) of the wave transmitting / receiving element 1. 1 3 is joined with ultrasonic welding, laser welding or vibration welding, or using an adhesive. As a result, the gap between the sealing plate 5 and the wave transmitting / receiving element 1 is closed.
- the external connection terminal 6 is integrally formed with the housing 4 by insert molding, passes through the outer wall of the housing 4, and one end of the external connection terminal 6 projects into the outer cylindrical surface of the housing 4. The other end protrudes into the board housing part 42.
- one end of the external connection terminal 6 is connected to an external terminal (not shown), and the other end protrudes from the bottom surface of the board housing part 42 and is electrically connected to the circuit board 3 by soldering or the like.
- the circuit board 3 receives power supply via the external connection terminal 6 and outputs a driving pulse signal to the wave transmitting / receiving element 1, and the wave receiving / receiving element 1 receiving the driving pulse signal transmits an ultrasonic wave.
- the transmitting / receiving element 1 receives the reflected wave from the obstacle of the transmitted ultrasonic wave and sends the received signal to the circuit board 3
- the circuit board 3 calculates the distance from the output of the drive pulse signal to the input of the received signal to the obstacle, and outputs the calculation result via the external connection terminal 6 to the control circuit. Etc.
- the lid member 7 is made of white (translucent) polybutylene terephthalate, and has a substantially rectangular flat plate-like top plate 7 1 and a peripheral edge of the top plate 71 so as to be substantially perpendicular to the top plate 71.
- the extended portion 72 is extended, and is covered with the opening 42 a of the substrate storage portion 42 with the top plate 71 facing the bottom surface of the substrate storage portion 42.
- the lid member 7 is hermetically joined by ultrasonic welding or laser welding between the top plate 71 and the peripheral edge portion of the opening 42a in the substrate storage portion 42.
- the welding method is not limited to ultrasonic welding or laser single welding, and may be vibration welding or the like. Also, instead of welding, bonding with an adhesive may be performed.
- the sealing plate 5 is welded to the housing 4 and the transmitting / receiving element 1 to close the communication hole 43, and the lid member 7 is welded to the housing 4.
- the opening 42 2 a of the substrate storage portion 42 is closed, and the substrate storage portion 42 is sealed.
- the ultrasonic sensor it is not necessary to fill the substrate storage portion 42 with a filler in order to prevent the circuit substrate 3 from being wetted while ensuring waterproofness.
- distortion of the circuit board 3 can be prevented and manufacturing time can be shortened.
- the sealing plate 5 when the sealing plate 5 is joined to the housing 4 and the wave transmitting / receiving element 1, first, the sealing plate 5 is temporarily fixed to the housing 4 and the wave transmitting / receiving element 1 in advance by welding, and thereafter The adhesive 8 is poured into the recess 4 2 b and the adhesive 8 is filled from the bottom surface of the recess 51 in the sealing plate 5 to the vicinity of the opening of the recess 4 2 b, thereby increasing the fixing accuracy of the sealing plate 5.
- the waterproof property of the substrate storage portion 42 can be further enhanced.
- the circuit board 3 is fixed by being sandwiched between the support ribs 4 2 3 and the welding ribs 4 2 4 welded to the circuit board 3, but as shown in FIG.
- the pressing projection 7 1 a facing the support rib 4 2 3 is extended from the top plate 7 1 of the board, and the circuit board 3 is sandwiched and fixed between the pressing projection 7 1 a and the supporting rib 4 2 3 May be.
- the lid member 7 is installed over the opening 4 2 a of the board housing part 42
- the pressing projection 7 1 a force is applied to the circuit board 3 together with the supporting ribs 4 2 4 in the pressed state.
- the circuit board 3 is supported and fixed.
- the ultrasonic sensor in the present embodiment does not have the sealing plate 5 and the communication hole 4 3 is an adhesive.
- the ultrasonic sensor in the first embodiment is different from the ultrasonic sensor according to the first embodiment in that it is blocked only by 9.
- Other configurations are the same as those in the first embodiment, and thus the same reference numerals are given and description thereof is omitted.
- the base 1 3 is placed on the side of the substrate storage portion 42 through the through hole 2a and the communication hole 43 of the cover 2. Is exposed.
- the adhesive 9 flows from the recess 4 2 b into the communication hole 4 3 having a small opening, and the base from the recess 4 2 b.
- the adhesive 9 can be easily and reliably filled up to 1 3.
- the adhesive 9 is filled in at least the communication hole 43 and the communication hole 43 is closed. As a result, the space between the substrate storage portion 42 and the element storage portion 41 is closed, and the intrusion of moisture from the element storage portion 41 to the substrate storage portion 42 via the communication hole 43 is prevented.
- the opening 4 2 a of the substrate storage portion 42 is closed by welding the lid member 7 and the housing 4 after the lid member 7 is covered, and the opening 4 2 Moisture permeation into the substrate housing part 42 is prevented via a.
- the ultrasonic sensor according to the present embodiment also has a waterproof structure sealed by the substrate housing portion 4 2 force lid member 7 and the adhesive 9.
- the concave portion 4 2 b is formed on the bottom surface of the substrate storage portion 42 and the adhesive 9 is poured into the concave portion 4 2 b.
- an annular rib 4 2 c surrounding the opening periphery may be provided on the periphery of the opening of the communication hole 43.
- the adhesive 9 is poured into the communication hole 4 3 through the opening of the rib 42c, and the communication 9 is filled with the adhesive 9 so that the communication hole 4 3 is filled.
- the substrate housing part 42 can be sealed by closing the 43.
- the ultrasonic sensor in the present embodiment is different from the ultrasonic sensor in the first embodiment in that the protrusion 52a is formed on the flange 52 of the sealing plate 5, as shown in FIG. .
- Other configurations are the same as those in the first embodiment, and thus, common reference numerals are used and description thereof is omitted.
- the sealing plate 5 Since the sealing plate 5 is a small component, the sealing plate 5 force ⁇ the recessed portion 4 2 b to be assembled is a narrow portion surrounded by the inner wall of the substrate storage portion 4 2. The assembly work of 5 was difficult.
- the protrusion 5 2 a protrudes from the flange portion 5 2 of the sealing plate 5 toward the circuit board 3, and when the sealing plate 5 is assembled to the recess 4 2 b The operator can easily assemble by gripping the protrusion 5 2 a and workability is improved.
- the protrusion 5 2 a supports the circuit board 3 by having the tip abutting against the circuit board 3 when the circuit board 3 is assembled. As a result, it is not necessary to separately lose the support ribs 4 2 3 that support the circuit board 3, and the structure of the ultrasonic sensor can be simplified. Furthermore, the protrusions 5 2 a that support the circuit board 3 are welded to the circuit board 3, so that it is not necessary to provide separate welding ribs 4 2 4 and the structure of the ultrasonic sensor is further simplified. can do.
- the ultrasonic sensor according to the present embodiment does not have the sealing plate 5 and the surface of the circuit board 3 is coated with an insulating coating. It is different from the sensor.
- Other configurations are the same as those in the first embodiment, and thus the same reference numerals are given and description thereof is omitted.
- the circuit board 3 is connected by soldering in a state where the external connection terminal 6 and the connection terminal 14 are threaded. L is formed, and the circuit board 3 is coated with a silicon material 32 at a portion excluding the peripheral edge of the terminal through hole to be soldered.
- the silicon material 32 is coated on the surface of the circuit board 3, but the coating material is not limited to this, and a coating material such as Hiyumi Seal (registered trademark) may be used.
- the external connection terminals 6 and the connection terminals which are respectively soldered to the circuit board 3 through the terminal insertion holes, are formed around the opening peripheries of the terminal insertion holes.
- a terminal cover 3 1 is provided to cover 1 4 by a predetermined length from the surface of the circuit board 3.
- the ultrasonic sensor according to the present embodiment does not need to be filled with the filler in the substrate housing part 42, it is possible to suppress an increase in weight and cost, and to prevent the circuit board 3 from being distorted. In addition, the manufacturing time can be shortened.
- the circuit board 3 is waterproofed by the insulating coating and the terminal cover 31, it is necessary to consider the sealing performance when the lid member 7 is welded to the housing 1. As a result, the welding time can be shortened and the number of work steps can be reduced.
- the waterproofness of the circuit board 3 can be further improved.
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (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
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
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US13/393,870 US9176220B2 (en) | 2009-09-02 | 2010-08-31 | Ultrasonic sensor |
CN201080038521.6A CN102576074B (zh) | 2009-09-02 | 2010-08-31 | 超声波传感器 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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JP2009-202878 | 2009-09-02 | ||
JP2009202878A JP5075171B2 (ja) | 2009-09-02 | 2009-09-02 | 超音波センサ |
Publications (1)
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WO2011027201A1 true WO2011027201A1 (ja) | 2011-03-10 |
Family
ID=43648927
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/IB2010/002129 WO2011027201A1 (ja) | 2009-09-02 | 2010-08-31 | 超音波センサ |
Country Status (4)
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US (1) | US9176220B2 (ja) |
JP (1) | JP5075171B2 (ja) |
CN (1) | CN102576074B (ja) |
WO (1) | WO2011027201A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102692623A (zh) * | 2011-03-22 | 2012-09-26 | 松下电器产业株式会社 | 超声波传感器 |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012198107A (ja) * | 2011-03-22 | 2012-10-18 | Panasonic Corp | 超音波センサ |
JP2012198106A (ja) * | 2011-03-22 | 2012-10-18 | Panasonic Corp | 超音波センサ |
KR101883948B1 (ko) * | 2012-02-03 | 2018-08-30 | 현대모비스 주식회사 | 센서 조립체 및 이의 조립 방법 |
CN103674088A (zh) * | 2012-09-25 | 2014-03-26 | 同致电子企业股份有限公司 | 堆叠式超声波传感器装置 |
US20140096609A1 (en) * | 2012-10-08 | 2014-04-10 | Tung Thih Electronic Co., Ltd. | Ultrasonic sensor device and method for assembling the same |
CN103809181A (zh) * | 2012-11-13 | 2014-05-21 | 同致电子企业股份有限公司 | 嵌合式超声波传感器装置及其组装方法 |
JP6183739B2 (ja) * | 2012-11-13 | 2017-08-23 | パナソニックIpマネジメント株式会社 | 超音波センサ |
DE102013217892A1 (de) * | 2012-12-20 | 2014-06-26 | Continental Teves Ag & Co. Ohg | Elektronische Vorrichtung und Verfahren zur Herstellung einer elektronischen Vorrichtung |
DE102014212720A1 (de) * | 2013-07-01 | 2015-01-08 | Continental Teves Ag & Co. Ohg | Sensor mit abdichtender Beschichtung |
CN104678377A (zh) * | 2013-11-27 | 2015-06-03 | 法雷奥汽车内部控制(深圳)有限公司 | 超声波传感器及其制造方法 |
JP2016085047A (ja) * | 2014-10-23 | 2016-05-19 | 三菱電機株式会社 | 超音波センサ |
KR102018439B1 (ko) * | 2017-12-11 | 2019-09-05 | 김정길 | 초음파센서 조립체 |
DE102018102784B4 (de) | 2018-02-08 | 2023-09-21 | Valeo Schalter Und Sensoren Gmbh | Verfahren und Vorrichtung zum Verbinden zweier Bauteile, sowie deren Verwendung |
CN111220711A (zh) * | 2018-11-26 | 2020-06-02 | 英业达科技有限公司 | 防水超音波扫描仪 |
TWI682170B (zh) * | 2018-12-04 | 2020-01-11 | 英業達股份有限公司 | 防水超音波掃描器 |
JP7393881B2 (ja) | 2019-06-17 | 2023-12-07 | 株式会社アイシン | ソナーユニット |
DE102022124937A1 (de) * | 2022-09-28 | 2024-03-28 | Valeo Schalter Und Sensoren Gmbh | Ultraschallsensor für ein kraftfahrzeug, kraftfahrzeug und herstellungsverfahren für einen ultraschallsensor |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003214902A (ja) * | 2002-01-25 | 2003-07-30 | Yazaki Corp | 回転検出センサ |
JP2007281999A (ja) * | 2006-04-10 | 2007-10-25 | Denso Corp | 超音波センサ |
WO2009154170A1 (ja) * | 2008-06-20 | 2009-12-23 | パナソニック電工 株式会社 | 超音波センサ |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5832559B2 (ja) * | 1979-07-04 | 1983-07-13 | 株式会社 モリタ製作所 | 空中超音波パルスの伝送方式並びにこれに用いる超音波送受波具 |
US4709359A (en) * | 1982-06-28 | 1987-11-24 | Magnovox Government And Industrial Electronics Company | End weighted reed sound transducer |
DE3933474C2 (de) * | 1989-10-06 | 1994-01-27 | Endress Hauser Gmbh Co | Füllstandsmeßgerät |
RU2127873C1 (ru) * | 1997-09-15 | 1999-03-20 | Николай Иванович Балин | Ультразвуковой датчик уровня жидкости |
JP3991936B2 (ja) | 2003-06-30 | 2007-10-17 | 松下電工株式会社 | 超音波送受波器 |
JP4438667B2 (ja) * | 2005-03-29 | 2010-03-24 | 株式会社デンソー | 超音波センサ及び超音波振動子 |
JP2007114182A (ja) * | 2005-09-22 | 2007-05-10 | Denso Corp | 超音波センサの取付け構造 |
US7722525B2 (en) * | 2007-05-24 | 2010-05-25 | Otologics, Llc | Lateral coupling of an implantable hearing aid actuator to an auditory component |
US8014167B2 (en) * | 2007-09-07 | 2011-09-06 | Seagate Technology Llc | Liquid crystal material sealed housing |
-
2009
- 2009-09-02 JP JP2009202878A patent/JP5075171B2/ja active Active
-
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Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003214902A (ja) * | 2002-01-25 | 2003-07-30 | Yazaki Corp | 回転検出センサ |
JP2007281999A (ja) * | 2006-04-10 | 2007-10-25 | Denso Corp | 超音波センサ |
WO2009154170A1 (ja) * | 2008-06-20 | 2009-12-23 | パナソニック電工 株式会社 | 超音波センサ |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102692623A (zh) * | 2011-03-22 | 2012-09-26 | 松下电器产业株式会社 | 超声波传感器 |
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CN102576074B (zh) | 2014-07-09 |
JP5075171B2 (ja) | 2012-11-14 |
CN102576074A (zh) | 2012-07-11 |
US20120176866A1 (en) | 2012-07-12 |
US9176220B2 (en) | 2015-11-03 |
JP2011053109A (ja) | 2011-03-17 |
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