CN209247086U - A kind of flow transducer - Google Patents
A kind of flow transducer Download PDFInfo
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- CN209247086U CN209247086U CN201822213295.7U CN201822213295U CN209247086U CN 209247086 U CN209247086 U CN 209247086U CN 201822213295 U CN201822213295 U CN 201822213295U CN 209247086 U CN209247086 U CN 209247086U
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Abstract
The utility model discloses a kind of flow transducers, it is intended to provide a kind of measuring accuracy for improving energy converter, reduce the flow transducer of the testing blind zone of energy converter, its key points of the technical solution are that, including cavity, the cavity is externally provided with the lead for being through to inside cavity, the chip connecting in the cavity with lead, the chip top are equipped with the double-deck matching layer, and the beneath chips are air layer, round ring recess is additionally provided on the chamber outer wall, the circle ring recess two sides are equipped with the chamfering of 0.1mm.
Description
Technical field
The utility model relates to transducing devices field, in particular to a kind of flow transducer.
Background technique
Energy converter refers to the device that electric energy harmony can be converted mutually.In echo depth sounder, Doppler log and acoustic correlation
It is used in tachometer.Convert electric energy to sound energy is known as transmitting transducer;By sound can be converted into electric energy be receive energy converter.
Transmitting and reception energy converter are usually to be used separately, but can also share one.The main performance index of energy converter has: work
Impedance, directive property (launching beam width) and sensitivity when frequency, frequency bandwidth, electroacoustic frequency, resonance frequency etc..By physics
Characteristic and the difference for using material, energy converter can be divided into two classes: magnetostrictive transducer and electrostrictive transducer.The former applies
The magnetostrictive effect of ferromagnetic material, is often made of nickel or dilval;The latter applies electrostriction effect and piezoelectric effect, often
It is made of the media electric material such as barium titanate ceramics and milling lead titanate ceramics.Energy converter is installed on hull bottom, directive property available beams
Width or the half-angle of spread characterize.
Currently, the Chinese patent of Publication No. CN208109196U discloses a kind of ultrasonic flux transducer, it includes
Shell and piezoelectric ceramic piece further include fixing piece, and the inner circumferential of the shell is equipped with internal screw thread, and one end of shell emits equipped with signal
Face, the other end are hatch frame, and the periphery of the fixing piece is equipped with the external screw thread matched with shell internal screw thread, the fixing piece
It is equipped with threading hole and fastener hole, the piezoelectric ceramic piece is pressed in shell by fixing piece.
Although signal decrease will not be occurred by temperature change for this ultrasonic flux transducer ultrasonic flux transducer
Phenomenon improves the stability and anti-interference ability of signal transmission, but often its receiving area is smaller so as to cause reception letter
Number sensitivity deficiency.
Utility model content
The purpose of the utility model is to provide a kind of flow transducers, and having effectively to make transducer bandwidth can
Up to 60%, the transmitting-receiving response of energy converter is effectively improved, the measuring accuracy of energy converter is improved, reduces the testing blind zone advantage of energy converter.
The above-mentioned technical purpose of the utility model has the technical scheme that
A kind of flow transducer, including cavity, the cavity are externally provided with the lead for being through to inside cavity, in the cavity
The chip connecting with lead, the chip top are equipped with the double-deck matching layer, and the beneath chips are air layer, the chamber outer wall
On be additionally provided with round ring recess, the circle ring recess two sides are equipped with the chamfering of 0.1mm.
By using above-mentioned technical proposal, using the technology of the double-deck matching layer, so that transducer bandwidth has up to 60%
Effect improves the transmitting-receiving response of energy converter, improves the measuring accuracy of energy converter, the circle for reducing the testing blind zone of energy converter, while being equipped with
Chamfering on shape slot and circular trough all plays certain increasing action to the entire surface of emission.
Further setting: being additionally provided with expanding unit on the chamber outer wall, the expanding unit includes being located at chamber outer wall
The groove that is equipped with, the round tube being equipped in groove, the flexible plastic plate being sheathed on round tube, on flexible plastic plate
Snap-gauge and the card slot being equipped with below chamber outer wall.
By using above-mentioned technical proposal, the expanding unit being equipped with can be when needed effectively by flexible plastic plate
It routs up, thus effectively expand entire receiving plane, the effective stabilization function for increasing individual, while reducing and receiving blind area.
Further setting: the ring groove height is 3.2mm, diameter 28.2mm.
Further setting: the cavity inner wall to outer wall height is 6mm.
By using above-mentioned technical proposal, height and the height of circular trough of cavity inner wall to emitting surface etc. are bases
The propagation performance of ultrasonic wave is effectively corrected, thus the preferable numerical value reached.
Further setting: the containment portion is additionally provided with the package shell for covering the surface of emission, and the package shell surrounding is set
Have and soft prolongs side.
By using above-mentioned technical proposal, cavity can be effectively protected in the package shell being equipped with, and reduced in transportational process
The factors such as shock influence integrally-built stabilization.
Further setting: outwardly projecting round lines is additionally provided on the outer wall below the cavity.
By using above-mentioned technical proposal, the round lines being equipped with effectively can be covered on housing surface consequently facilitating whole
A user's is affectedly bashful, and increases frictional force, convenient for operation.
In conclusion the utility model has the following beneficial effects: using the double-deck matching layer technology, transducer bandwidth is reachable
60%, the transmitting-receiving response of energy converter is effectively improved, the measuring accuracy of energy converter is improved, reduces the testing blind zone of energy converter, while can
To expand range of receiving, so that whole more accurate and stable.
Detailed description of the invention
Fig. 1 is flow transducer structural schematic diagram.
In figure, 1, cavity；2, lead；3, chip；4, the double-deck matching layer；5, air layer；6, round ring recess；7, chamfering；8,
Expanding unit;81, groove；82, round tube；83, flexible plastic plate；84, snap-gauge；85, card slot；9, shell is wrapped up；10, prolong side；11, circle
Shape lines.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
Embodiment 1: a kind of flow transducer, as shown in Figure 1, including cavity 1, cavity 1, which is externally provided with, to be through to inside cavity 1
Lead 2, the chip 3 connect in cavity 1 with lead 2, and bilayer matching layer 4 is equipped with above chip 3 is sky below chip 3
Gas-bearing formation 5 is additionally provided with round ring recess 6 on 1 outer wall of cavity, while round 6 two sides of ring recess are equipped with the chamfering 7 of 0.1mm, round ring recess
6 height are 3.2mm, and diameter 28.2mm, 1 inner wall of cavity to outer wall height is 6mm.
Expanding unit 8 is additionally provided on 1 outer wall of cavity, expanding unit 8 includes the groove being equipped with positioned at 1 outer wall of cavity;81,
Positioned at groove;The round tube 82 being equipped in 81, round tube 82 are connected to groove by part;On 81 inner wall, so that round tube 82
It is fixed on groove;In 81, and the flexible plastic plate 83 being sheathed on round tube 82, snap-gauge 84 on flexible plastic plate 83 and it is located at chamber
The card slot 85 being equipped with below body 1 outer wall, so as to do not need using when say that flexible plastic plate 83 is hooked in groove;81
It is interior, to be wrapped in groove;81 two sides, thus convenient transportation, and need using when by its turning unfolding, so as to have
The expansion of effect receives the surface of emission, increases whole stabilization function.The package shell 9 for covering the surface of emission is additionally provided with outside cavity 1,
And wrap up shell 9 be surrounded by it is soft prolong side 10, outwardly projecting round lines 11 is additionally provided on the outer wall of 1 lower section of cavity.
Its main operational principle is as follows: at work, using double-deck 4 technology of matching layer, transducer bandwidth is reachable
60%, the transmitting-receiving response of energy converter is effectively improved, the measuring accuracy of energy converter is improved, reduces the testing blind zone of energy converter, set simultaneously
Some expanding units 8 can effectively increase transmitting-receiving cross section, so that whole package shell 9 that is more stable, and being equipped with
Can be effectively protected cavity 1, reduce damage, at the same single soft plastic plate do not need using when can also overturn and wrap two
The groove of side;81, so that reducing impurity enters groove;In 81.
The above embodiments are only the explanation to the utility model, are not limitations of the present invention, ability
Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but
As long as all by the protection of Patent Law in the scope of the claims of the utility model.
Claims (6)
1. a kind of flow transducer, including cavity (1), it is characterised in that: the cavity (1), which is externally provided with, to be through in cavity (1)
The lead (2) in portion, the interior chip (3) connecting with lead (2) of the cavity (1), chip (3) top are equipped with the double-deck matching layer
(4), it is air layer (5) below the chip (3), is additionally provided with round ring recess (6), the ring on cavity (1) outer wall
Slot (6) two sides are equipped with the chamfering (7) of 0.1mm.
2. a kind of flow transducer according to claim 1, it is characterised in that: be additionally provided with expansion on cavity (1) outer wall
Extending apparatus (8), the expanding unit (8) include the groove (81) being equipped with positioned at cavity (1) outer wall, are located in groove (81) and set
Some round tubes (82), the flexible plastic plate (83) being sheathed on round tube (82), the snap-gauge (84) being located on flexible plastic plate (83)
And it is located at the card slot (85) being equipped with below cavity (1) outer wall.
3. a kind of flow transducer according to claim 2, it is characterised in that: it is described circle ring recess (6) be highly
3.2mm, diameter 28.2mm.
4. a kind of flow transducer according to claim 3, it is characterised in that: cavity (1) inner wall to outer wall height
For 6mm.
5. a kind of flow transducer according to claim 4, it is characterised in that: be additionally provided with and be used for outside the cavity (1)
Cover the package shell (9) of the surface of emission, the package shell (9), which is surrounded by, soft prolongs side (10).
6. a kind of flow transducer according to claim 5, it is characterised in that: on the outer wall below the cavity (1) also
Equipped with outwardly projecting round lines (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822213295.7U CN209247086U (en) | 2018-12-26 | 2018-12-26 | A kind of flow transducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822213295.7U CN209247086U (en) | 2018-12-26 | 2018-12-26 | A kind of flow transducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209247086U true CN209247086U (en) | 2019-08-13 |
Family
ID=67535010
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822213295.7U Active CN209247086U (en) | 2018-12-26 | 2018-12-26 | A kind of flow transducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209247086U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109596183A (en) * | 2018-12-26 | 2019-04-09 | 无锡市宇超电子有限公司 | A kind of flow transducer |
-
2018
- 2018-12-26 CN CN201822213295.7U patent/CN209247086U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109596183A (en) * | 2018-12-26 | 2019-04-09 | 无锡市宇超电子有限公司 | A kind of flow transducer |
| CN109596183B (en) * | 2018-12-26 | 2024-04-05 | 无锡市宇超电子有限公司 | Flow transducer |
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