CN103292893A - Novel ultrasonic sensor - Google Patents
Novel ultrasonic sensor Download PDFInfo
- Publication number
- CN103292893A CN103292893A CN2013101860335A CN201310186033A CN103292893A CN 103292893 A CN103292893 A CN 103292893A CN 2013101860335 A CN2013101860335 A CN 2013101860335A CN 201310186033 A CN201310186033 A CN 201310186033A CN 103292893 A CN103292893 A CN 103292893A
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- China
- Prior art keywords
- pcb board
- ultrasonic sensor
- rubber cushion
- transducing sheet
- metal shell
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- Transducers For Ultrasonic Waves (AREA)
Abstract
The invention discloses a novel ultrasonic sensor comprising a metal shell with a transduction sheet accommodating cavity arranged at the bottom. A PCB (printed circuit board) installing cavity is arranged above the transduction sheet accommodating cavity in the metal shell, a transduction sheet is arranged in the transduction sheet accommodating cavity, a rubber mat is arranged in the PCB installing cavity, a PCB connected with the transduction sheet is fixedly clamped in the rubber mat, and an electrode pin is arranged on the PCB. With the novel ultrasonic sensor, the PCB with the electrode pin fixed inside is fixedly arranged in the rubber mat of the metal shell; the metal shell can position the rubber mat, and the rubber mat can position the PCB, so that the electrode pin can be positioned accurately, and the position of the electrode pin of the ultrasonic sensor is more accurate. The invention relates to the field of ultrasonic sensors.
Description
Technical field
The present invention relates to a kind of ultrasonic sensor.
Background technology
At present, the electrode of most of ultrasonic sensors is drawn and is divided into twisted wire and electrode pin two big classes, extraction electrode is in free state in placement and silica gel solidification process, can't guarantee the degree of accuracy of contact conductor position, cause the client must improve its fastness by welding in use, also can influence later stage mounting or dismounting conveniency simultaneously.
Though the fraction ultrasonic probe is also arranged on the market now, has higher positional precision in its electrode pin position, the assembling of can pegging graft is used, but mostly such ultrasonic sensor is to adopt the method that increases silica gel sheath or silicagel pad in the outside of sensor metal shell to fix the outer electrode pin base, with the high position precision that guarantees stitch.This type of ultrasonic sensor has caused product to use inconvenience because the increase of silica gel sheath or silicagel pad has changed the external dimensions structure of product, thereby influenced the product versatility.
Summary of the invention
For addressing the above problem, the invention provides the higher new type ultrasonic sensor of a kind of electrode pin positional precision.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of new type ultrasonic sensor, comprise that the bottom is provided with the metal shell that the transducing sheet is put the chamber, the top that is positioned at transducing sheet storing chamber in the metal shell also is provided with the pcb board installation cavity, the transducing sheet is put in the chamber and is provided with the transducing sheet, in the pcb board installation cavity rubber cushion is installed, fixing in the rubber cushion has the pcb board that links to each other with the transducing sheet, and pcb board is provided with electrode pin.
Be further used as the improvement of technical solution of the present invention, the pcb board installation cavity is across the transducing sheet and puts the top, chamber, and the length of pcb board installation cavity is put the width in chamber greater than the transducing sheet.
Be further used as the improvement of technical solution of the present invention, the pcb board installation cavity is to be positioned at the transducing sheet in the metal shell to put both sides, top, chamber groove respect to one another.
Be further used as the improvement of technical solution of the present invention, the height of groove is greater than the thickness of rubber cushion.
Be further used as the improvement of technical solution of the present invention, the two ends in the rubber cushion are provided with draw-in groove, and pcb board is embedded in the rubber cushion by draw-in groove.
Be further used as the improvement of technical solution of the present invention, be placed with the acoustical cotton layer on the transducing sheet, the bottom of rubber cushion and acoustical cotton interlayer are provided with packing material.
Be further used as the improvement of technical solution of the present invention, the top of the inherent rubber cushion of pcb board installation cavity is provided with packing material.
Beneficial effect of the present invention: this new type ultrasonic sensor will fixedly have the pcb board of electrode pin to be fixedly mounted in the interior rubber cushion of metal shell, by metal shell the location of rubber cushion and rubber cushion are realized electrode pin accurate localization more the location of pcb board, made that the positional precision of electrode pin of ultrasonic sensor is higher.
Description of drawings
The invention will be further described below in conjunction with accompanying drawing:
Fig. 1 is embodiment of the invention one-piece construction synoptic diagram;
Fig. 2 is the diagrammatic cross-section of metal shell in the embodiment of the invention;
Fig. 3 is metal shell vertical view in the embodiment of the invention;
Fig. 4 is the cross-sectional view of rubber cushion in the embodiment of the invention;
Fig. 5 is embodiment of the invention rubber cushion vertical view.
Embodiment
With reference to Fig. 1～Fig. 5, the present invention is a kind of new type ultrasonic sensor, comprise that the bottom is provided with the metal shell 1 that the transducing sheet is put chamber 11, the top that is positioned at transducing sheet storing chamber 11 in the metal shell 1 also is provided with pcb board installation cavity 12, the transducing sheet is put in the chamber 11 and is provided with transducing sheet 3, rubber cushion 2 is installed in the pcb board installation cavity 12, and fixing in the rubber cushion 2 has the pcb board 4 that links to each other with transducing sheet 3, and pcb board 4 is provided with electrode pin 5.
This new type ultrasonic sensor will fixedly have the pcb board 4 of electrode pin 5 to be fixedly mounted in the rubber cushion 2 in the metal shell 1, location by 1 pair of rubber cushion 2 of metal shell and the location of 2 pairs of pcb boards 4 of rubber cushion realize electrode pin 5 accurate localization more, makes that the positional precision of electrode pin 5 of ultrasonic sensor is higher.
As the preferred embodiment of the present invention, pcb board installation cavity 12 is across the transducing sheet and puts 11 tops, chamber, and the length of pcb board installation cavity 12 is put the width in chamber 11 greater than the transducing sheet.
As the preferred embodiment of the present invention, pcb board installation cavity 12 is put both sides, 11 top, chamber groove 13 respect to one another for being positioned at the transducing sheet in the metal shell 1.
As the preferred embodiment of the present invention, the height of groove 13 is greater than the thickness of rubber cushion 2.
As the preferred embodiment of the present invention, the two ends in the rubber cushion 2 are provided with draw-in groove 21, and pcb board 4 is embedded in the rubber cushion 2 by draw-in groove 21.
Rubber cushion 2 in this ultrasonic sensor fixes pcb board 4 by the draw-in groove 21 at two ends, and come pcb board 4 is realized six point locations by the hole clipping that arranges on projection 22 and the rubber cushion 2 that stops of both sides, guaranteed the accuracy of assembling, avoided contacting of pcb board 4 and 1 of metal shell simultaneously, the vibration that makes metal shell 1 sidewall produce when 3 work of transducing sheet is propagated and can be inhibited, to guarantee the performance of product.
As the preferred embodiment of the present invention, be placed with acoustical cotton layer 6 on the transducing sheet 3,6 on the bottom of rubber cushion 2 and acoustical cotton layer are provided with packing material.
As the preferred embodiment of the present invention, the top of pcb board installation cavity 12 inherent rubber cushions 2 is provided with packing material.
By the metal shell 1 inner ledge structure that adopts at ultrasonic sensor, place the inside that the pcb board 4 that is connected with electrode pin 5 is embedded metal shell 1, sealing then, under the prerequisite that does not change the product shape dimensional structure, guaranteed the high position precision of electrode pin 5, and the versatility of product external structure.
Certainly, the invention is not limited to above-mentioned embodiment, those of ordinary skill in the art also can make equivalent variations or replacement under the prerequisite of spirit of the present invention, the modification that these are equal to or replacement all are included in the application's claim institute restricted portion.
Claims (7)
1. new type ultrasonic sensor, it is characterized in that: comprise that the bottom is provided with the metal shell (1) that the transducing sheet is put chamber (11), the top that is positioned at transducing sheet storing chamber (11) in the described metal shell (1) also is provided with pcb board installation cavity (12), described transducing sheet is put in the chamber (11) and is provided with transducing sheet (3), rubber cushion (2) is installed in the described pcb board installation cavity (12), fixing in the described rubber cushion (2) has the pcb board (4) that links to each other with transducing sheet (3), and described pcb board (4) is provided with electrode pin (5).
2. new type ultrasonic sensor according to claim 1 is characterized in that: described pcb board installation cavity (12) is across the transducing sheet and puts top, chamber (11), and the length of described pcb board installation cavity (12) is put the width in chamber (11) greater than the transducing sheet.
3. new type ultrasonic sensor according to claim 1 and 2 is characterized in that: described pcb board installation cavity (12) is put top, chamber (11) both sides grooves respect to one another (13) for being positioned at the transducing sheet in the metal shell (1).
4. new type ultrasonic sensor according to claim 3, it is characterized in that: the height of described groove (13) is greater than the thickness of rubber cushion (2).
5. new type ultrasonic sensor according to claim 1 and 2 is characterized in that: the two ends in the described rubber cushion (2) are provided with draw-in groove (21), and described pcb board (4) is embedded in the rubber cushion (2) by draw-in groove (21).
6. new type ultrasonic sensor according to claim 1 and 2 is characterized in that: be placed with acoustical cotton layer (6) on the described transducing sheet (3), be provided with packing material between the bottom of described rubber cushion (2) and acoustical cotton layer (6).
7. new type ultrasonic sensor according to claim 3, it is characterized in that: the top of the inherent rubber cushion of described pcb board installation cavity (12) (2) is provided with packing material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310186033.5A CN103292893B (en) | 2013-05-17 | 2013-05-17 | A kind of ultrasonic sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310186033.5A CN103292893B (en) | 2013-05-17 | 2013-05-17 | A kind of ultrasonic sensor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103292893A true CN103292893A (en) | 2013-09-11 |
| CN103292893B CN103292893B (en) | 2016-08-10 |
Family
ID=49094142
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310186033.5A Active CN103292893B (en) | 2013-05-17 | 2013-05-17 | A kind of ultrasonic sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103292893B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20220260712A1 (en) * | 2019-06-04 | 2022-08-18 | Tdk Electronics Ag | Ultrasonic Transducer and Method for Producing an Ultrasonic Transducer |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0755920A (en) * | 1993-08-13 | 1995-03-03 | Matsushita Electric Works Ltd | Drip-proof type ultrasonic microphone |
| CN101055313A (en) * | 2006-04-10 | 2007-10-17 | 株式会社电装 | Ultrasonic sensor |
| JP4304556B2 (en) * | 1999-12-03 | 2009-07-29 | 株式会社村田製作所 | Ultrasonic sensor |
| CN202693079U (en) * | 2012-06-21 | 2013-01-23 | 广州市番禺奥迪威电子有限公司 | Ultrasonic sensor for liquid level measurement |
| CN203259174U (en) * | 2013-05-17 | 2013-10-30 | 广州市番禺奥迪威电子有限公司 | Novel ultrasonic wave sensor |
-
2013
- 2013-05-17 CN CN201310186033.5A patent/CN103292893B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0755920A (en) * | 1993-08-13 | 1995-03-03 | Matsushita Electric Works Ltd | Drip-proof type ultrasonic microphone |
| JP4304556B2 (en) * | 1999-12-03 | 2009-07-29 | 株式会社村田製作所 | Ultrasonic sensor |
| CN101055313A (en) * | 2006-04-10 | 2007-10-17 | 株式会社电装 | Ultrasonic sensor |
| CN202693079U (en) * | 2012-06-21 | 2013-01-23 | 广州市番禺奥迪威电子有限公司 | Ultrasonic sensor for liquid level measurement |
| CN203259174U (en) * | 2013-05-17 | 2013-10-30 | 广州市番禺奥迪威电子有限公司 | Novel ultrasonic wave sensor |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20220260712A1 (en) * | 2019-06-04 | 2022-08-18 | Tdk Electronics Ag | Ultrasonic Transducer and Method for Producing an Ultrasonic Transducer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103292893B (en) | 2016-08-10 |
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| C06 | Publication | ||
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| CB02 | Change of applicant information |
Address after: 511400, Dongsheng Industrial Zone, east ring street, Guangzhou, Guangdong, Panyu District 9 Applicant after: Prestige sensing Science and Technology Co., Ltd. of Guangdong Audi Address before: 511400, Dongsheng Industrial Zone, east ring street, Guangzhou, Guangdong, Panyu District 9 Applicant before: Guangzhou Panyu Aodiwei Electronic Co., Ltd. |
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| COR | Change of bibliographic data | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |