CN201527288U - Piezo-electricity ultrasonic transducer for liquid flow meters - Google Patents
Piezo-electricity ultrasonic transducer for liquid flow meters Download PDFInfo
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- CN201527288U CN201527288U CN2009202502079U CN200920250207U CN201527288U CN 201527288 U CN201527288 U CN 201527288U CN 2009202502079 U CN2009202502079 U CN 2009202502079U CN 200920250207 U CN200920250207 U CN 200920250207U CN 201527288 U CN201527288 U CN 201527288U
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Abstract
The utility model relates to a piezo-electricity ultrasonic transducer for liquid flow meters. The piezo-electricity ultrasonic transducer comprises a piezo-ceramic wafer and a cable, and further comprises a stainless steel outer sleeve, an insulating sleeve, a metal card, a spring, a metal thin round disc, a clamp spring, a waterproof ring and a cable head, wherein, the piezo-ceramic wafer is arranged on the inner bottom surface of the stainless steel outer sleeve; the insulating sleeve is placed in the stainless steel outer sleeve in such a manner that the bottom end of the insulating sleeve is buckled with the piezo-ceramic wafer; the metal card is placed on the piezo-ceramic wafer and the insulating sleeve; one end of the spring is placed on the metal card; the metal thin round disc and the clamp spring are placed in the stainless steel outer sleeve in sequence; the metal thin round disc is connected with the other end of the spring; the clamp spring is fixedly clamped with the stainless steel outer sleeve; the cable is inserted into the cable head; the reticular copper wires of the cable is fastened with the cable head; the conductor of the cable extends out of the cable head; the cable head is fastened with the stainless steel outer sleeve through the waterproof ring; and one end of the cable head passes through the clamp spring and the conductor of the cable, and is connected with the metal thin round disc. The utility model has a simple structure and provides convenience for realizing the consistency of sensors.
Description
Technical field
The utility model relates to a kind of ultrasonic transducer, particularly relates to a kind of piezoelectric ultrasonic transducer that is used for liquid flowmeter.
Background technology
Ultrasonic transducer is the core ingredient of various ultrasonic devices, and the ability of its emission, acknowledge(ment) signal directly affects the height of whole ultrasonic device measuring precision.The design of ultrasonic transducer inner structure directly affects the ability that it transmits and receives signal again.Mainly be to do damping block in the existing ultrasonic transducer structure with the potpourri of pouring epoxy resin and hardening agent, the mixing ratio regular meeting of epoxy resin and hardening agent influences the curing situation that damping block absorbs hyperacoustic effect and potpourri, reach on best acoustically effective and the solidification effect ratio and be difficult to control, can not guarantee when disposing potpourri simultaneously that ratio is just the same, the consistance of the transducer after the pouring is difficult to guarantee like this.The connected mode of wiring normally directly is welded on the piezoelectric ceramic wafer, can influence the distribution of sound field like this, and then influences the performance of ultrasonic transducer.
Summary of the invention
In view of the deficiency that prior art exists, the utility model provides a kind of piezoelectric ultrasonic transducer of new construction.
The utility model for achieving the above object, the technical scheme of being taked is: a kind of piezoelectric ultrasonic transducer, comprise piezoelectric ceramic wafer, cable, it is characterized in that: also comprise stainless steel outer sleeve, insulation sleeve, Metallic card, spring, the metal foil disk, jump ring, water proof ring and cable splice, described stainless steel outer sleeve inner bottom surface is provided with piezoelectric ceramic wafer, described insulation sleeve places interior its bottom of stainless steel outer sleeve and piezoelectric ceramic wafer to be interlockingly connected, described Metallic card places on piezoelectric ceramic wafer and the insulation sleeve, described spring one end places on the Metallic card, described metal foil disk, jump ring places in the stainless steel outer sleeve successively, the metal foil disk is connected with the spring other end, jump ring and stainless steel outer sleeve connect and fix, described cable inserts in the cable splice, netted copper cash of cable and cable splice are fixed, cable core stretches out outside the cable splice, and described cable splice is fixed by water proof ring and stainless steel outer sleeve, and cable splice one end passes the jump ring cable core and is connected with the metal foil disk.
The beneficial effects of the utility model are: simple in structure, be easy to realize the consistance of sensor; After metal foil disk and jump ring are loaded onto, wafer has been played the effect of being fixed, be beneficial to the eliminating that quantitatively reaches bubble of couplant between wafer and stainless steel outer sleeve like this, what play damping action is chemical materials such as spring rather than epoxy resin, has overcome the doubt shortcoming of the ratio that mould material brought; Lead-in wire conducts electricity by conductive pieces such as metal foil disk, spring, Metallic cards, having overcome lead-in wire and being welded direct on the wafer influence to wafer sound field branch.
Description of drawings
Fig. 1 is a structural representation of the present utility model and as Figure of abstract.
Fig. 2 is a stainless steel outer sleeve synoptic diagram of the present utility model.
Fig. 3 is an insulation sleeve synoptic diagram of the present utility model.
Fig. 4 is a Metallic card synoptic diagram of the present utility model.
Fig. 5 is a cable splice synoptic diagram of the present utility model.
Embodiment
Shown in Fig. 1～5, piezoelectric ultrasonic transducer comprises piezoelectric ceramic wafer 2, cable 10, also comprises stainless steel outer sleeve 1, insulation sleeve 3, Metallic card 4, spring 5, metal foil disk 6, jump ring 7, water proof ring 8 and cable splice 9.Stainless steel outer sleeve 1 is cylindric, is provided with a circle angle 1-1 at tube port position, is provided with one section screw thread 1-2 with the junction of angle 1-1, is provided with a circle draw-in groove 1-3 on the tube inwall of screw thread end.Insulation sleeve 3 is a cylinder, adopts the polysulfones material, is provided with the protruding 3-1 of a circle near the lower end in 3 of insulation sleeves.Metallic card 4 is the short cylinder of the band end and upper edge 4-1, adopts stainless steel.Cable splice 9 is provided with groove 9-2 for its periphery of T shape right cylinder, groove 9-2 lower end right cylinder is provided with screw thread 9-3, cable splice 9 centers are provided with through hole 9-1, be fixed with metal sleeve 9-4 at through hole 9-1 end opening, the metal disk 9-5 that metal sleeve 9-4 bottom is adhesively fixed and has mesopore, the rubber blanket 9-6 that is adhesively fixed and has mesopore on the metal disk 9-5 bottom surface, rubber blanket 9-6 bottom surface snapping has the taper copper sheet 9-7 of mesopore.
At first add an amount of couplant to stainless steel outer sleeve 1 inner bottom surface, again piezoelectric ceramic wafer 2 is placed stainless steel outer sleeve 1 bottom, need couplant to carry out transition between one electrode surface of piezoelectric ceramic wafer 2 and stainless steel outer sleeve 1 bottom, couplant plays transition impedance and gets rid of the effect of bubble, has reduced hyperacoustic acoustic attenuation; Insulation sleeve 3 places in the stainless steel outer sleeve 1, and protruding 3-1 and piezoelectric ceramic wafer 2 that 3 interior lower ends of insulation sleeve are provided with snap together, and plays and the insulation of stainless steel outer sleeve 1 and the effect of restriction piezoelectric ceramic wafer 2 positions on every side; Metallic card 4 is placed bottom in the insulation sleeve 3, and the upper edge 4-1 of Metallic card 4 is pressed on the insulation sleeve projection 3-1, and the end disc of Metallic card 4 contacts with an electrode surface of piezoelectric ceramic wafer 2 and plays electric action, and insulation sleeve is played fixation; Spring 5 one ends are placed on the Metallic card 4, at first play electric action, secondly play damping action under impaction state, absorb the ultrasound wave of chip back surface, the 3rd plays the effect that compresses Metallic card 4, helps the stationkeeping of each part; Metal foil disk 6, jump ring 7 are placed in the stainless steel outer sleeve 1 successively, metal foil disk 6 is connected with the contact of spring 5 other ends, jump ring 7 is in open mode, and jump ring 7 places on 1 inwall of stainless steel outer sleeve and connects and fixes in the draw-in groove 1-3, and spring 5 is played spacing fixation; Go external insulation sleeve to insert among the through hole 9-1 on the cable splice 9 on 10 groups on cable, netted copper cash 10-1 of cable and metal sleeve 9-4 are adhesively fixed, cable core 10-2 passes metal disk 9-5 successively, rubber blanket 9-6, taper copper sheet 9-7, cable core 10-2 being curved the right angle makes taper copper sheet 9-1 be connected on the rubber blanket 9-6 again, water proof ring 8 is installed among the groove 9-2 on the cable splice 9, cable splice 9 is passed through on the screw thread precession stainless steel outer sleeve 1, one end of cable splice 9 passes jump ring 7, cable core 10-2 contacts with metal foil disk 6 and is connected, in the process of cable splice 9 precessions, cable core 10-2 on the cable splice 9 metal foil disk 6 to pressing down, give spring 5 pressure, spring 5 can better play damping action and the effect of fixing its below part like this, the netted copper cash 10-1 of cable contacts with the outer wall of stainless steel outer sleeve 1 by cable splice 9 and is communicated with the electrode surface of piezoelectric ceramic wafer 2, cable core 10-2 like this, the netted copper cash 10-1 of cable has been added in piezoelectric ceramic wafer 2 two ends simultaneously, loads pumping signal can for piezoelectric ceramic wafer 2.
Claims (5)
1. piezoelectric ultrasonic transducer, comprise piezoelectric ceramic wafer (2), cable (10), it is characterized in that: also comprise stainless steel outer sleeve (1), insulation sleeve (3), Metallic card (4), spring (5), metal foil disk (6), jump ring (7), water proof ring (8) and cable splice (9), described stainless steel outer sleeve (1) inner bottom surface is provided with piezoelectric ceramic wafer (2), described insulation sleeve (3) places in the stainless steel outer sleeve (1), its bottom and piezoelectric ceramic wafer (2) are interlockingly connected, described Metallic card (4) places on piezoelectric ceramic wafer (2) and the insulation sleeve (3), described spring (5) one ends place on the Metallic card (4), described metal foil disk (6), jump ring (7) places in the stainless steel outer sleeve (1) successively, metal foil disk (6) is connected with spring (5) other end, jump ring (7) connects and fixes with stainless steel outer sleeve (1), described cable (10) inserts in the cable splice (9), the netted copper cash of cable (10-1) is fixing with cable splice (9), cable core (10-2) stretches out outside the cable splice (9), described cable splice (9) is fixing by water proof ring (8) and stainless steel outer sleeve (1), and cable splice (9) one ends pass jump ring (7) cable core (10-2) and are connected with metal foil disk (6).
2. piezoelectric ultrasonic transducer according to claim 1, it is characterized in that: described stainless steel outer sleeve (1) is cylinder, be provided with angle (1-1) at tube port position, the junction of angle (1-1) is provided with one section screw thread (1-2), is provided with draw-in groove (1-3) on the tube inwall of screw thread end.
3. piezoelectric ultrasonic transducer according to claim 1 is characterized in that: described insulation sleeve (3) adopts the polysulfones material for cylindric, is provided with a circle projection (3-1) near the lower end in insulation sleeve (3) tube.
4. piezoelectric ultrasonic transducer according to claim 1 is characterized in that: described Metallic card (4) is the short cylinder of the band end and upper edge (4-1), adopts stainless steel.
5. piezoelectric ultrasonic transducer according to claim 1, it is characterized in that: described cable splice (9) is a T shape right cylinder, its periphery is provided with a circle groove (9-2), groove (9-2) lower end right cylinder is provided with screw thread (9-3), the center is provided with through hole (9-1), be fixed with metal sleeve (9-4) at through hole (9-1) end opening, metal sleeve (9-4) bottom fixedly has the metal disk (9-5) of mesopore, the rubber blanket (9-6) that is adhesively fixed and has mesopore on metal disk (9-5) bottom surface, rubber blanket (9-6) bottom surface snapping has the taper copper sheet (9-7) of mesopore.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202502079U CN201527288U (en) | 2009-11-12 | 2009-11-12 | Piezo-electricity ultrasonic transducer for liquid flow meters |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202502079U CN201527288U (en) | 2009-11-12 | 2009-11-12 | Piezo-electricity ultrasonic transducer for liquid flow meters |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201527288U true CN201527288U (en) | 2010-07-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202502079U Expired - Lifetime CN201527288U (en) | 2009-11-12 | 2009-11-12 | Piezo-electricity ultrasonic transducer for liquid flow meters |
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| Country | Link |
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| CN (1) | CN201527288U (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102097093A (en) * | 2010-11-26 | 2011-06-15 | 中国科学院声学研究所 | Deepwater wideband spherical transducer |
| CN102322902A (en) * | 2011-05-31 | 2012-01-18 | 际华三五零二职业装有限公司 | Ultrasonic probe for vortex street flow meter |
| CN102708851A (en) * | 2012-06-25 | 2012-10-03 | 唐山海通电子有限公司 | Transmitting-receiving underwater transducer |
| CN102706436A (en) * | 2012-05-16 | 2012-10-03 | 北京工业大学 | Point focusing ultrasonic transducer used for detecting wave speed of surface wave |
| CN102793567A (en) * | 2012-09-12 | 2012-11-28 | 天津迈达医学科技有限公司 | Scanning probe for skin ultrasonic image diagnosis |
| CN103090915A (en) * | 2013-01-21 | 2013-05-08 | 大连环岛仪表有限公司 | Transducer capable of being directly applied to various ultrasonic flow meters |
| CN104466876A (en) * | 2013-09-25 | 2015-03-25 | 丹尼尔测量和控制公司 | Transducer cable assembly and flow meter employing same |
| CN105209864A (en) * | 2013-05-03 | 2015-12-30 | 恩德斯+豪斯流量技术股份有限公司 | Coupling element, ultrasonic transducer and ultrasonic flow meter |
| CN108194458A (en) * | 2017-12-21 | 2018-06-22 | 爱德森（厦门）电子有限公司 | A kind of structural health ultrasonic monitoring couplant passive hydraulic device |
| CN109724571A (en) * | 2018-12-18 | 2019-05-07 | 陕西迈拓克能源科技有限公司 | Energy converter is used in a kind of mapping of river |
| CN110206552A (en) * | 2019-06-21 | 2019-09-06 | 中国电建集团成都勘测设计研究院有限公司 | Pressure sensitive system for rock tunnel(ling) machine shield body |
| CN115138548A (en) * | 2022-06-30 | 2022-10-04 | 南京航空航天大学 | Embedded composite piezoelectric ultrasonic transducer suitable for concrete, forming process and embedded support structure |
-
2009
- 2009-11-12 CN CN2009202502079U patent/CN201527288U/en not_active Expired - Lifetime
Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102097093B (en) * | 2010-11-26 | 2012-11-21 | 中国科学院声学研究所 | Deepwater wideband spherical transducer |
| CN102097093A (en) * | 2010-11-26 | 2011-06-15 | 中国科学院声学研究所 | Deepwater wideband spherical transducer |
| CN102322902A (en) * | 2011-05-31 | 2012-01-18 | 际华三五零二职业装有限公司 | Ultrasonic probe for vortex street flow meter |
| CN102706436A (en) * | 2012-05-16 | 2012-10-03 | 北京工业大学 | Point focusing ultrasonic transducer used for detecting wave speed of surface wave |
| CN102708851A (en) * | 2012-06-25 | 2012-10-03 | 唐山海通电子有限公司 | Transmitting-receiving underwater transducer |
| CN102793567A (en) * | 2012-09-12 | 2012-11-28 | 天津迈达医学科技有限公司 | Scanning probe for skin ultrasonic image diagnosis |
| CN103090915A (en) * | 2013-01-21 | 2013-05-08 | 大连环岛仪表有限公司 | Transducer capable of being directly applied to various ultrasonic flow meters |
| CN103090915B (en) * | 2013-01-21 | 2015-03-18 | 大连环岛仪表有限公司 | Transducer capable of being directly applied to various ultrasonic flow meters |
| US9897471B2 (en) | 2013-05-03 | 2018-02-20 | Endress + Hauser Flowtec Ag | Coupling element, ultrasonic transducer and ultrasonic flow meter |
| CN105209864A (en) * | 2013-05-03 | 2015-12-30 | 恩德斯+豪斯流量技术股份有限公司 | Coupling element, ultrasonic transducer and ultrasonic flow meter |
| CN104466876A (en) * | 2013-09-25 | 2015-03-25 | 丹尼尔测量和控制公司 | Transducer cable assembly and flow meter employing same |
| CN104466876B (en) * | 2013-09-25 | 2019-04-02 | 丹尼尔测量和控制公司 | CA cable assembly, terminal assembly and flowmeter |
| CN108194458A (en) * | 2017-12-21 | 2018-06-22 | 爱德森（厦门）电子有限公司 | A kind of structural health ultrasonic monitoring couplant passive hydraulic device |
| CN108194458B (en) * | 2017-12-21 | 2019-12-13 | 爱德森（厦门）电子有限公司 | Passive hydraulic means of healthy ultrasonic monitoring couplant of structure |
| CN109724571A (en) * | 2018-12-18 | 2019-05-07 | 陕西迈拓克能源科技有限公司 | Energy converter is used in a kind of mapping of river |
| CN109724571B (en) * | 2018-12-18 | 2021-04-06 | 赵杰 | Transducer for river surveying and mapping |
| CN110206552A (en) * | 2019-06-21 | 2019-09-06 | 中国电建集团成都勘测设计研究院有限公司 | Pressure sensitive system for rock tunnel(ling) machine shield body |
| CN110206552B (en) * | 2019-06-21 | 2024-04-19 | 中国电建集团成都勘测设计研究院有限公司 | Pressure sensing system for shield body of tunnel boring machine |
| CN115138548A (en) * | 2022-06-30 | 2022-10-04 | 南京航空航天大学 | Embedded composite piezoelectric ultrasonic transducer suitable for concrete, forming process and embedded support structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100714 |
|
| CX01 | Expiry of patent term |