CN206951533U - A kind of amphibious PZT (piezoelectric transducer) - Google Patents
A kind of amphibious PZT (piezoelectric transducer) Download PDFInfo
- Publication number
- CN206951533U CN206951533U CN201720717756.7U CN201720717756U CN206951533U CN 206951533 U CN206951533 U CN 206951533U CN 201720717756 U CN201720717756 U CN 201720717756U CN 206951533 U CN206951533 U CN 206951533U
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- CN
- China
- Prior art keywords
- pzt
- amphibious
- bearing bracket
- piezoelectric transducer
- drive end
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Transducers For Ultrasonic Waves (AREA)
Abstract
A kind of amphibious PZT (piezoelectric transducer) is the utility model is related to, includes drive end bearing bracket, rear end cap, it is characterised in that drive end bearing bracket cooperatively forms closing inner chamber with rear end cap by screw thread;Regulation spring, wireless type pressure sensor, insulation board, electrode slice and piezoelectric ceramic piece are placed in closing inner chamber;Regulation spring, insulation board, electrode slice and piezoelectric ceramic piece are provided with concentric circle holes and are sleeved on drive end bearing bracket, and the top of drive end bearing bracket is equipped with wireless type pressure sensor display screen.Thus, from the point of view of external structure, coordinate for the sealing of drive end bearing bracket and rear end cap, therefore the work that may be implemented under liquid environment;From the point of view of internal structure, effectively piezoelectric ceramic piece can be avoided to cause rupture due to unbalance stress as the prestressed offer of piezoelectric ceramics by the use of spring is adjusted, can more improve the working characteristics of transducer;The utility model overall structure is simple, is easily installed, is easy to carry, is advantageous to improve production efficiency and operating efficiency.
Description
Technical field
It the utility model is related to a kind of transducer, more particularly to a kind of amphibious PZT (piezoelectric transducer).
Background technology
PZT (piezoelectric transducer) is a kind of device for changing energy, can realize the conversion of the mechanical energy from electric energy to ultrasonic vibration,
In ultrasonic cleaning, it is ultrasonically treated in the application of constant power ultrasound, PZT (piezoelectric transducer) is even more penetrated high-power as realization to medium good fortune
Element for the purpose of acoustic energy.
Traditional PZT (piezoelectric transducer) mainly applies fastening force to pre-stressed bolt with digital display spanner and piezoelectricity is made pottery to reach
The adjustment of porcelain prestressing force size, but the prestressing force size of the piezoelectric ceramics of every suit PZT (piezoelectric transducer) differs, and
Piezoelectric ceramic piece often causes rupture because the prestressing force being applied to thereon is uneven, and this requires every suit piezoelectric energy-conversion
Device must be equipped with corresponding digital display spanner, so have a strong impact on production and the service efficiency of transducer.
PZT (piezoelectric transducer) is as a kind of multi-field middle element used, and its working environment is diversified, and this is allowed for
PZT (piezoelectric transducer) can not only use in dry conditions, ensure the use that it can be in moistening even into liquid-type again,
And the piezoelectric ceramics of conventional PZT (piezoelectric transducer) is an exposure in air more, or traditional PZT (piezoelectric transducer) is used into waterproofer
Used after tool parcel in liquid environment, therefore, it is difficult to meet above-mentioned requirements.
Defect in view of the above, the design people are actively subject to research and innovation, to found a kind of amphibious PZT (piezoelectric transducer),
Make it with more the value in industry.
Utility model content
To solve the problems, such as techniques described above, the purpose of this utility model is to provide a kind of amphibious PZT (piezoelectric transducer).
Amphibious PZT (piezoelectric transducer) of the present utility model, includes drive end bearing bracket, rear end cap, electrode slice, piezoelectric ceramic piece, and it is special
Sign is also to include spring, wireless type pressure sensor, wireless type pressure sensor display screen, insulation board;On the drive end bearing bracket
Surface is provided with rectangular channel, and the wireless type pressure sensor display screen is fixedly arranged in the drive end bearing bracket rectangular channel;The drive end bearing bracket
Coordinate with the rear end cap for screw thread, form closed inner chamber;The insulation board is provided with rectangular opening, the wireless type pressure sensing
Device is fixedly arranged in the insulation board rectangular opening;The spring, the insulation board, the electrode slice, the piezoelectric ceramic piece are put
In the closing inner chamber and it is provided with concentric circle holes and is sleeved on the drive end bearing bracket.
Further, above-mentioned amphibious PZT (piezoelectric transducer), wherein, the spring is prestressing force adjusting part.
Further, above-mentioned amphibious PZT (piezoelectric transducer), wherein, the rear end cap is provided with center circular groove.
Further, above-mentioned amphibious PZT (piezoelectric transducer), wherein, the rear end cap sidewall symmetry is provided with wire guide.
Further, above-mentioned amphibious PZT (piezoelectric transducer), wherein, the rear end cap is exponential type rear end cap.
Further, above-mentioned amphibious PZT (piezoelectric transducer), wherein, the regulation spring, the diameter one of the insulation board
Cause.
Further, above-mentioned amphibious PZT (piezoelectric transducer), wherein, the electrode slice intersects company with the piezoelectric ceramic piece
Connect, and it is glued by adhesive between adjacent component.
Further, above-mentioned amphibious PZT (piezoelectric transducer), wherein, the electrode slice omits than the piezoelectric ceramic piece diameter
Big 8~10mm.
Further, above-mentioned amphibious PZT (piezoelectric transducer), wherein, the drive end bearing bracket scribbles with the rear end cover outer wall
Nanometer titanium dioxide coating.
The beneficial effects of the utility model are:
(1) by the use of adjust spring as piezoelectric ceramics it is prestressed provide it is possible to prevente effectively from piezoelectric ceramic piece due to stress
It is uneven and cause rupture, improve the working characteristics of transducer.
(2) traditional digital display spanner is replaced using wireless type pressure sensor, avoids and process screw thread deep hole in drive end bearing bracket
Complicated procedures of forming, and more accurately realize the monitoring to prestressing force size.
(3) reaching transducer by the sealing cooperation between drive end bearing bracket and rear end cap can be in the work in liquid environment.
(4) the utility model overall structure is simple, is easily installed, is easy to carry, is advantageous to improve production efficiency and work
Efficiency.
Brief description of the drawings
Fig. 1 be the utility model proposes piezoelectric ceramic transducer structure chart.
Fig. 2 is along A-A cutting plane in Fig. 1.
The implication of each reference is as follows in figure:
The rear end cap 3 of 1 drive end bearing bracket 2 adjusts spring
The wireless type pressure sensor display screen of 4 insulation board, 5 wireless type pressure sensor 6
The positive terminal head of 7 electrode slice, 8 piezoelectric ceramic piece 9
The wire guide of 10 negative terminal 11
Embodiment
Below in conjunction with the accompanying drawings and embodiment the present invention is described further.
Piezoelectric ceramic transducer as shown in Figure 1, external structure include drive end bearing bracket 1 and rear end cap 2, its it is unusual
In drive end bearing bracket 1 is provided with internal thread, and rear end cap 2 is provided with external screw thread, drive end bearing bracket 1 is engaged and is formed using screw thread with rear end cap 2
Inner chamber, regulation spring 3, insulation board 4, electrode slice 7, piezoelectric ceramic piece 8 are provided with concentric circle holes, and are installed on drive end bearing bracket 1
With the inner chamber of rear end cap 2.Wire guide 11 is provided with the sidewall symmetry of rear end cap 2, treats that positive connector lug 9 exports with negative connector lug 10
Afterwards, wire guide 11 is sealed.
Utilize this external structure, it is possible to achieve transducer is being dried and the use under two kinds of environment of liquid.
From the point of view of the preferable embodiment of the utility model, prestressing force adjusting part is not set in outside, but it is sharp
Prestressing force is got a desired effect with regulation spring 3, to cause prestressed value more accurate, introduce wireless type pressure again
Force snesor 5 and wireless type pressure sensor display screen 6.
In view of the stability of installation, it can be regulation spring 3, insulation board that drive end bearing bracket 1 is arranged into structure as depicted
4th, electrode slice 7 and piezoelectric ceramic piece 8 provide positioning action;In view of that can realize good piezo-electric effect, electrode slice 7 is made pottery than piezoelectricity
Bigger 8~the 10mm of diameter of ceramics 8.
Rear end cap 2 is set into exponentially shape is located based on the shape factor in view of exponential horn and amplification coefficient
Between stairstepping and cone, the advantages of having stairstepping and conical horn concurrently.
Operation principle of the present utility model is as follows:
Drive end bearing bracket 1 is fed, makes the compression adjustment spring 3 of drive end bearing bracket 1, regulation spring 3 to the application of insulation board 4 by acting on masterpiece
For the prestressing force to piezoelectric ceramic piece 8 so that piezoelectric ceramic piece 8 is in compressive state, so that the surface of piezoelectric ceramic piece 8 produces
Electric charge, so as to realize the process that mechanical energy is converted into electric energy;One electricity is applied to positive pole connector lug 9 and negative terminal 10
So that miniature deformation occurs for the surface of piezoelectric ceramic piece 8, so as to realize electric energy to mechanical transformation of energy.In advance should in said process
The size of power can accurately be shown by wireless type pressure sensor display screen 6.Treat that positive terminal first 9 exports with negative terminal 10
Afterwards, wire guide 11 is sealed using rubber piston, it is possible to achieve work of the transducer under liquid environment.
To the character express of utility model works principle more than, separately with reference to accompanying drawing from the point of view of, using the utility model
Possess advantages below:
1st, by the use of adjust spring as piezoelectric ceramics it is prestressed provide it is possible to prevente effectively from piezoelectric ceramic piece due to stress
It is uneven and cause rupture, improve the working characteristics of transducer.
2nd, traditional digital display spanner is replaced using wireless type pressure sensor, avoided in drive end bearing bracket processing screw thread deep hole
Complicated procedures of forming, and more accurately realize the monitoring to prestressing force size.
3rd, reaching transducer by the sealing cooperation between drive end bearing bracket and rear end cap can be in the work in liquid environment.
4th, the utility model overall structure is simple, is easily installed, is easy to carry, is advantageous to improve production efficiency and work is imitated
Rate.
Finally it should be noted that described above is only to illustrate optimal technical scheme of the present utility model, it is not used to limit
The utility model processed, it is noted that if enlightened for those skilled in the art by it, without departing from this reality
On the premise of with new technique principle objective, some improvement and modification made also should be regarded as the scope of protection of the utility model.
Claims (8)
1. a kind of amphibious PZT (piezoelectric transducer), including the drive end bearing bracket (1) of transducer and rear end cap (2);It is characterized in that:The front end
Lid (1) is matched somebody with somebody by screw thread with rear end cap (2) and merges to form closing inner chamber;The rear end cap is internally provided with regulation spring (3);Institute
Regulation spring (3) is stated to be close to insulation board (4);The insulation board (4) is close to electrode slice (7);The electrode slice (7) and piezoelectricity
Potsherd (8) interconnection.
2. amphibious PZT (piezoelectric transducer) according to claim 1, it is characterised in that:The drive end bearing bracket (1) is mounted with wireless type pressure
Force snesor display screen (6).
3. amphibious PZT (piezoelectric transducer) according to claim 1, it is characterised in that:The regulation spring (3) is adjusted as prestressing force
Save component.
4. amphibious PZT (piezoelectric transducer) according to claim 1, it is characterised in that:Rear end cap (2) sidewall symmetry is provided with
Wire guide (11).
5. amphibious PZT (piezoelectric transducer) according to claim 1, it is characterised in that:The insulation board (4) is provided with wireless type pressure
Force snesor (5).
6. amphibious PZT (piezoelectric transducer) according to claim 1, it is characterised in that:The regulation spring (3) and the insulation board
(4) diameter is consistent.
7. amphibious PZT (piezoelectric transducer) according to claim 1, it is characterised in that:The regulation spring (3), the insulation board
(4), the electrode slice (7) is provided with concentric circle holes and is sleeved on the drive end bearing bracket (1) with the piezoelectric ceramic piece (8),
It is placed in the closing inner chamber.
8. amphibious PZT (piezoelectric transducer) according to claim 1, it is characterised in that:The electrode slice (7) is than the potsherd (8)
Bigger 8mm~the 10mm of diameter.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201720717756.7U CN206951533U (en) | 2017-06-08 | 2017-06-08 | A kind of amphibious PZT (piezoelectric transducer) |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201720717756.7U CN206951533U (en) | 2017-06-08 | 2017-06-08 | A kind of amphibious PZT (piezoelectric transducer) |
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Publication Number | Publication Date |
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CN206951533U true CN206951533U (en) | 2018-02-02 |
Family
ID=61384959
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CN201720717756.7U Expired - Fee Related CN206951533U (en) | 2017-06-08 | 2017-06-08 | A kind of amphibious PZT (piezoelectric transducer) |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113663897A (en) * | 2021-07-21 | 2021-11-19 | 陕西师范大学 | Rectangular through hole front cover plate broadband longitudinal vibration transducer |
-
2017
- 2017-06-08 CN CN201720717756.7U patent/CN206951533U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113663897A (en) * | 2021-07-21 | 2021-11-19 | 陕西师范大学 | Rectangular through hole front cover plate broadband longitudinal vibration transducer |
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Legal Events
Date | Code | Title | Description |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180202 Termination date: 20190608 |