CN207325222U - The transmitter acoustic-electrical transducer of ultrasonic water meter, heat energy meter - Google Patents
The transmitter acoustic-electrical transducer of ultrasonic water meter, heat energy meter Download PDFInfo
- Publication number
- CN207325222U CN207325222U CN201720914055.2U CN201720914055U CN207325222U CN 207325222 U CN207325222 U CN 207325222U CN 201720914055 U CN201720914055 U CN 201720914055U CN 207325222 U CN207325222 U CN 207325222U
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- China
- Prior art keywords
- transducer
- current stabilization
- piezo
- transducer housing
- electric crystal
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Abstract
Transducer is the utility model is related to, is specifically a kind of ultrasonic water meter, the transmitter acoustic-electrical transducer of heat energy meter.Including transducer housing, piezo-electric crystal, piezo-electric crystal is placed in transducer housing inner cavity, and transducer housing inner wall is close in one side of piezo-electric crystal, filled with screen pad of eliminating the noise between another side of piezo-electric crystal and transducer housing inner wall；Lateral circular claw is provided with the lateral wall of the transducer housing of neighbour's noise elimination screen pad side, current stabilization element in cone tubular structure is housed by the lateral circular claw, flowed to by medium, current stabilization element in face of medium flow to when be current stabilization rectifier, be current stabilization line device when being flowed to along medium.Compared with prior art, piezo-electric crystal sends ultrasound to the utility model to both sides, and the ultrasound of side is shielded, outwards do not propagated by anti squeal shim, can be eliminated noise, be reduced the disturbing factor inside flowmeter；Possess current stabilization rectification and beam function, media flow is tended to current stabilization state.
Description
Technical field
Transducer is the utility model is related to, is specifically a kind of ultrasonic water meter, the transmitter acoustic-electrical transducer of heat energy meter.
Background technology
At present, the transmitter transducer of ultrasonic water meter, heat energy meter, is measured by sending and receiving ultrasonic wave
Flow velocity and flow of tube fluid etc., still, present most transducer in the reception feedback to ultrasonic wave, ultrasonic wave
Loss is big, and measurement precision is greatly affected.
Utility model content
A kind of transmitter the technical problem to be solved by the present invention is to provide ultrasonic water meter, heat energy meter is changed with acoustic-electric
Can device, its can stabilization of fluidized, eliminate noise jamming, so as to lift the measurement precision of transducer.
The utility model solves the technical solution that its technical problem uses：
The transmitter acoustic-electrical transducer of a kind of ultrasonic water meter, heat energy meter, including transducer housing, piezo-electric crystal, pressure
Transistor is placed in transducer housing inner cavity, and transducer housing inner wall, another side of piezo-electric crystal are close in one side of piezo-electric crystal
Filled with screen pad of eliminating the noise between face and transducer housing inner wall；Set on the lateral wall of the transducer housing of neighbour's noise elimination screen pad side
Lateral circular claw is equipped with, the current stabilization element in cone tubular structure is equipped with by the lateral circular claw, by medium flow field
To, current stabilization element in face of medium flow to when be current stabilization rectifier, be current stabilization line device when being flowed to along medium.
Using the utility model of above-mentioned technical proposal, compared with prior art, beneficial effect is：
Piezo-electric crystal sends ultrasound to both sides, and screen pad of eliminating the noise shields the ultrasound of side, does not outwards propagate, can eliminate miscellaneous
Sound, reduces internal interference factor, makes ultrasonic water meter or heat energy meter measurement more accurate；Current stabilization element is cone, compared to existing
There is the planar structure on fluid flow direction more to make fluid stable, cone reduces the resistance of fluid flowing, makes stream
Body tends to current stabilization.
Further, the preferred case of the utility model is：
Set on the lateral wall of the transducer housing of neighbour's piezo-electric crystal side fluted.Groove makes transducer housing local
It is thinning, be conducive to penetrating for sound wave.
Transducer housing upper end is provided with the Access Division being connected with shell of transducer, is provided with the Access Division convex
Platform, gasket displacement structure is formed by the boss on Access Division.
Transducer housing upper end outside diameter is more than the outside diameter of transducer housing main part, correspondingly, on shell of transducer
Transducer mounting hole is more than the outside diameter of transducer housing main part, and transducer housing integrally can be by changing on shell of transducer
Energy device mounting hole is inserted in transmitter enclosure body.
Acoustic-electrical transducer is symmetrical, opposite a pair of of arrangement in transmitter, steady on one of acoustic-electrical transducer
Fluid element is current stabilization rectifier, and the current stabilization element on another acoustic-electrical transducer is current stabilization line device, current stabilization rectifier and current stabilization
The central axes of line device are overlapped with the tubular structure central axes of shell of transducer.
Brief description of the drawings
Fig. 1 is the structure diagram of the utility model embodiment；
Fig. 2 is the mounting structure schematic diagram that transducer is used for two transducers during transmitter；
Fig. 3 is the A-A sectional views in Fig. 1；
In figure：Transducer housing 1；Access Division 101；Boss 102；Groove 2；Piezo-electric crystal 3；Eliminate the noise and shield pad 4；Lateral annulus
Shape claw 5；Current stabilization rectifier 6, transducer housing inner cavity 7, current stabilization line device 8.
Embodiment
The utility model is described in detail with reference to the accompanying drawings and embodiments.
Referring to Fig. 1 to Fig. 3, a kind of ultrasonic water meter, the transmitter acoustic-electrical transducer of heat energy meter, by transducer housing 1,
Piezo-electric crystal 3, eliminate the noise screen pad 4, current stabilization rectifier 6, current stabilization line device 8 are formed, and piezo-electric crystal 3 is placed in transducer housing inner cavity 7,
It is close to the inner wall of transducer housing 1, another side of piezo-electric crystal 3 and the inner wall of transducer housing 1 in 3 one sides of piezo-electric crystal
Between filled with eliminate the noise screen pad 4, piezo-electric crystal 3, eliminate the noise screen pad 4 just be full of transducer housing inner cavity 7 lower space；Neighbour
Lateral circular claw 5 is provided with the lateral wall for the transducer housing 1 that screen of eliminating the noise pads 4 sides, passes through lateral circular claw 5
Equipped with the current stabilization element in cone tubular structure.
When acoustic-electrical transducer is used for transmitter, using symmetrical, opposite a pair of of arrangement, flowed to by medium, one of them
Current stabilization element on acoustic-electrical transducer in face of medium flow direction be current stabilization rectifier 6, the current stabilization element on another acoustic-electrical transducer
Be current stabilization line device 8 along medium flow direction, current stabilization rectifier 6 and be current stabilization line device 8 central axes with shell of transducer 1
The central axes of tubular structure overlap.
Fluted 2 are set on the lateral wall of the transducer housing 1 of 3 side of neighbour's piezo-electric crystal.Groove 2 is set, can be made
1 wall thickness of transducer housing herein is thinning, is conducive to penetrating for sound wave, reduces the ultrasound of ultrasonic transmission between acoustic-electrical transducer
Ripple loses, and further improves the measuring accuracy of ultrasonic water meter, heat energy meter.
1 upper end of transducer housing is provided with the Access Division 101 being connected with shell of transducer, is provided with Access Division 101 convex
Platform 102, gasket displacement structure can be formed by boss 102 on Access Division 101, make to realize between transducer and transmitter
It is tightly connected.
1 upper end outside diameter of transducer housing is more than the outside diameter of 1 main part of transducer housing, correspondingly, on shell of transducer
Transducer mounting hole be more than the outside diameter of 1 main part of transducer housing, transducer housing 1 is overall can be by shell of transducer
Transducer mounting hole insert in transmitter enclosure body.Structure as setting, that is, facilitate the installation of transducer housing 1, also allow for
The installation of current stabilization element.
The above descriptions are merely preferred embodiments of the present invention, not the utility model is done any type of
Limitation, any content without departing from technical solutions of the utility model, according to the technical essence of the utility model to above example
Any simple modification, equivalent change and modification done, belongs to the scope of technical solutions of the utility model.
Claims (5)
1. the transmitter acoustic-electrical transducer of a kind of ultrasonic water meter, heat energy meter, including transducer housing, piezo-electric crystal, piezoelectricity
Crystal is placed in transducer housing inner cavity, it is characterised in that：It is close to transducer housing inner wall, piezo-electric crystal in one side of piezo-electric crystal
Filled with screen pad of eliminating the noise between another side and transducer housing inner wall；Outside the transducer housing of neighbour's noise elimination screen pad side
Lateral circular claw is provided with side wall, the current stabilization element in cone tubular structure is equipped with by the lateral circular claw,
Flowed to by medium, current stabilization element in face of medium flow to when be current stabilization rectifier, be current stabilization line device when being flowed to along medium.
2. the transmitter acoustic-electrical transducer of ultrasonic water meter according to claim 1, heat energy meter, it is characterised in that：Closely
Set on the lateral wall of the transducer housing of adjacent piezo-electric crystal side fluted.
3. the transmitter acoustic-electrical transducer of ultrasonic water meter according to claim 1, heat energy meter, it is characterised in that：Change
Energy device housing upper end is provided with the Access Division being connected with shell of transducer, boss is provided with the Access Division, by described
Boss gasket displacement structure is formed on Access Division.
4. the transmitter acoustic-electrical transducer of ultrasonic water meter according to claim 3, heat energy meter, it is characterised in that：Change
Energy device housing upper end outside diameter is more than the outside diameter of transducer housing main part, correspondingly, the transducer installation on shell of transducer
Hole is more than the outside diameter of transducer housing main part, and transducer housing integrally can be by the transducer mounting hole on shell of transducer
Insert in transmitter enclosure body.
5. the transmitter acoustic-electrical transducer of ultrasonic water meter according to claim 1, heat energy meter, it is characterised in that：Sound
Electric transducer is symmetrical, opposite a pair of of arrangement in transmitter, and the current stabilization element on one of acoustic-electrical transducer is steady
Flow rectifier, the current stabilization element on another acoustic-electrical transducer are current stabilization line device, in current stabilization rectifier and current stabilization line device
Axis is overlapped with the tubular structure central axes of shell of transducer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720914055.2U CN207325222U (en) | 2017-07-26 | 2017-07-26 | The transmitter acoustic-electrical transducer of ultrasonic water meter, heat energy meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720914055.2U CN207325222U (en) | 2017-07-26 | 2017-07-26 | The transmitter acoustic-electrical transducer of ultrasonic water meter, heat energy meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207325222U true CN207325222U (en) | 2018-05-08 |
Family
ID=62376783
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720914055.2U Expired - Fee Related CN207325222U (en) | 2017-07-26 | 2017-07-26 | The transmitter acoustic-electrical transducer of ultrasonic water meter, heat energy meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207325222U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107234052A (en) * | 2017-07-26 | 2017-10-10 | 王琰 | The transmitter acoustic-electrical transducer of ultrasonic water meter, heat energy meter |
-
2017
- 2017-07-26 CN CN201720914055.2U patent/CN207325222U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107234052A (en) * | 2017-07-26 | 2017-10-10 | 王琰 | The transmitter acoustic-electrical transducer of ultrasonic water meter, heat energy meter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180508 Termination date: 20190726 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |