CN206945175U - Ultrasonic heat energy meter transmitter based on current stabilization and backwards to the acoustic-electrical transducer eliminated the noise - Google Patents
Ultrasonic heat energy meter transmitter based on current stabilization and backwards to the acoustic-electrical transducer eliminated the noise Download PDFInfo
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- CN206945175U CN206945175U CN201720914908.2U CN201720914908U CN206945175U CN 206945175 U CN206945175 U CN 206945175U CN 201720914908 U CN201720914908 U CN 201720914908U CN 206945175 U CN206945175 U CN 206945175U
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- transducer
- current stabilization
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- piezo
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Abstract
It the utility model is related to a kind of ultrasonic heat energy meter transmitter based on current stabilization and backwards to the acoustic-electrical transducer eliminated the noise.It is symmetrical in transmitter enclosure body, arrange left and right acoustic-electrical transducer unit in opposite directions, acoustic-electrical transducer unit is made up of transducer housing, piezo-electric crystal, eliminate the noise screen pad, current stabilization element, piezo-electric crystal is placed in transducer housing inner chamber, transducer housing inwall 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 inwall；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, the cone of current stabilization element is current stabilization rectifier when being flowed in face of medium, it is current stabilization line device when being flowed to along medium, the axis of current stabilization element overlaps with the axis of shell of transducer.The utility model can stabilization of fluidized, shielding ultrasound, eliminate clutter, improve pick-up effect.
Description
Technical field
Heat energy meter transmitter is the utility model is related to, it is specifically a kind of based on current stabilization and backwards to the acoustic-electrical transducer eliminated the noise
Ultrasonic heat energy meter transmitter.
Background technology
At present, the acoustic-electrical transducer of the transmitter of heat energy meter, all it is by sending and receiving ultrasonic wave come in measurement pipe
Flow velocity and flow of fluid etc., still, present most acoustic-electrical transducer in the reception feedback to ultrasonic wave, ultrasonic wave
Loss is big, and measurement precision is greatly affected.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of based on current stabilization and backwards to the acoustic-electrical transducer eliminated the noise
Ultrasonic heat energy meter transmitter, the acoustic-electrical transducer of the transmitter can stabilization of fluidized, eliminate clutter, reduce ultrasonic wave loss,
It is possible thereby to improve the effect of transmitter.
The utility model solves the technical scheme that its technical problem uses：
A kind of ultrasonic heat energy meter transmitter based on current stabilization and backwards to the acoustic-electrical transducer eliminated the noise, including transmitter enclosure
Body, transducer unit, transmitter enclosure intracoelomic cavity are tubulose, set on shell of transducer left and right symmetrical transducer mounting hole and
Temp probe seat, left and right acoustic-electrical transducer unit is respectively implanted in transmitter enclosure body by described transducer mounting hole, and
Left and right acoustic-electrical transducer unit is symmetrical, opposite, correlation type arrangement；Each acoustic-electrical transducer unit by transducer housing,
Piezo-electric crystal, eliminate the noise screen pad, current stabilization element are formed, and piezo-electric crystal is placed in transducer housing inner chamber, and one side of piezo-electric crystal is tight
Transducer inner walls are pasted, filled with screen pad of eliminating the noise between another side of piezo-electric crystal and transducer housing inwall；Neighbour disappears
Lateral circular claw is provided with the lateral wall of the transducer housing of sound-screen pad side, is filled by the lateral circular claw
There is the current stabilization element in cone tubular structure, flowed to by medium, the cone of current stabilization element is current stabilization rectifier when being flowed in face of medium,
It is current stabilization line device when being flowed to along medium, the axis of current stabilization element overlaps with the axis of shell of transducer.
Using the utility model of above-mentioned technical proposal, compared with prior art, beneficial effect is：
Symmetrical, opposite, correlation type arrangement the acoustic-electrical transducer unit of two of transmitter, its piezo-electric crystal are sent to both sides
The ultrasound of side is shielded, does not outwards propagate, can eliminate noise, reduce internal interference factor, make ultrasound by ultrasound, screen pad of eliminating the noise
The measurement of ripple heat energy meter is more accurate；It is cone to set current stabilization element, compared to existing plane on fluid flow direction etc.
Structure can more make fluid stable, and cone reduces the resistance of fluid media (medium) flowing, fluid is tended to current stabilization, can improve pick-up
The pick-up effect of device.
Further, preferably case of the present 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 advantageous to penetrating for sound wave.
Transducer housing upper end is provided with the Access Division being connected with shell of transducer, is provided with described Access Division convex
Platform, transducer unit is integrally inserted in transmitter enclosure body by transducer mounting hole, and is stuck in transmitter by described Access Division
On housing, sealing gasket is placed in described boss periphery, compresses sealing gasket by hollow round nut, transducer housing is fixed on into change
Send on device housing, form single fulcrum support structure of acoustic-electrical transducer unit.Single-point support structure can further reduce medium
Flow resistance.
Transducer housing upper end external diameter is more than the external diameter of transducer housing main part, accordingly, on shell of transducer
Transducer mounting hole is more than the external diameter of transducer housing main part, and acoustic-electrical transducer unit integrally can be by shell of transducer
Transducer mounting hole insert in transmitter enclosure body.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model embodiment；
Fig. 2 is shell of transducer structural representation；
In figure：Shell of transducer 1；Current stabilization rectifier 2；Lateral circular claw 3；Transducer housing 4；Eliminate the noise and shield pad 5；Pressure
Electric crystal 6；Groove 7；Current stabilization line device 8；Transducer housing inner chamber 9；Access Division 10；Sealing gasket 11；Boss 12；Hollow round nut
13；Screw 14；Heat energy meter watchcase 15；Transducer mounting hole 16；Temp probe seat 17.
Embodiment
Below in conjunction with the accompanying drawings and the utility model is described in detail in embodiment.
Referring to Fig. 1, Fig. 2, a kind of ultrasonic heat energy meter transmitter based on current stabilization and backwards to the acoustic-electrical transducer eliminated the noise, by
Shell of transducer 1 and left and right acoustic-electrical transducer unit composition, the inner chamber of shell of transducer 1 is tubular cavity, is set on shell of transducer 1
Put left and right symmetrical transducer mounting hole 16 and temp probe seat 17；The upper end of transducer housing 4 is provided with and shell of transducer 1
The Access Division 10 of connection, boss 12 is provided with Access Division 10, and left and right acoustic-electrical transducer unit is overall by passing through left and right transducing
Device mounting hole 16 is inserted in shell of transducer 1, and left and right acoustic-electrical transducer unit is symmetrical, opposite arrangement, and passes through card
Socket part 10 is stuck on shell of transducer 1, and sealing gasket 11 is placed in the periphery of boss 12, and sealing gasket 11 is compressed by hollow round nut 13,
Transducer housing 4 is fixed on shell of transducer 1, forms single fulcrum support structure of acoustic-electrical transducer unit, and makes transducing
Realize and be tightly connected between device and transmitter.
Each acoustic-electrical transducer unit is made up of transducer housing 4, eliminate the noise screen pad 5, piezo-electric crystal 6 and current stabilization element,
Piezo-electric crystal 6 is placed in transducer housing inner chamber 9, and the inwall of transducer housing 4, piezo-electric crystal 6 are close in 6 one sides of piezo-electric crystal
Filled with screen pad 5 of eliminating the noise between another side and the inwall of transducer housing 4；Neighbour, which eliminates the noise, shields the transducer housing 4 of 5 sides of pad
Lateral wall on be provided with lateral circular claw 3, the current stabilization member in cone tubular structure is equipped with by lateral circular claw 3
Part, flowed to by medium, the current stabilization element on left acoustic-electrical transducer unit is current stabilization rectifier 2 in face of medium flow direction, and right acoustic-electric changes
Current stabilization element on energy device unit is along the axis that medium flow direction is current stabilization line device 8, current stabilization rectifier 2 and current stabilization line device 8
Line overlaps with the axis of shell of transducer 1, make transmitter possess current stabilization, to penetrating, backwards to noise elimination function.
Fluted 7 are set on the lateral wall of the transducer housing 4 of the side of neighbour's piezo-electric crystal 6.Groove 7 is set, can be made
The wall thickness of transducer housing 4 herein is thinning, is lost, contributed to reducing the ultrasonic wave of ultrasonic transmission between acoustic-electrical transducer
Improve the measuring accuracy of heat energy meter.
The above-mentioned upper end external diameter of transducer housing 4 is more than the external diameter of the main part of transducer housing 4, accordingly, transmitter
Transducer mounting hole 16 on housing 1 is more than the external diameter of the main part of transducer housing 4, and transducer housing 4 can be by transmitter
Transducer mounting hole 16 on housing 1 is inserted in shell of transducer 1.Installed respectively by two ports of shell of transducer 1 again
Current stabilization rectifier 2 and current stabilization line device 8.
The top of shell of transducer 1 is also provided with the convenient claw structure being connected with heat energy meter watchcase 15, is by screw 14
Quickly transmitter can be connected with heat energy meter.
It is described above, only it is preferred embodiment of the present utility model, 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, belong to the scope of technical solutions of the utility model.
Claims (4)
1. a kind of ultrasonic heat energy meter transmitter based on current stabilization and backwards to the acoustic-electrical transducer eliminated the noise, including shell of transducer,
Transducer unit, transmitter enclosure intracoelomic cavity are tubulose, it is characterised in that：Left and right symmetrical transducer is set on shell of transducer
Mounting hole and temp probe seat, left and right acoustic-electric transducing is respectively implanted in transmitter enclosure body by described transducer mounting hole
Device unit, and left and right acoustic-electrical transducer unit is symmetrical, opposite, correlation type arrangement；Each acoustic-electrical transducer unit is by changing
Energy device housing, piezo-electric crystal, eliminate the noise screen pad, current stabilization element are formed, and piezo-electric crystal is placed in transducer housing inner chamber, piezo-electric crystal one
Transducer housing inwall is close in individual side, filled with screen of eliminating the noise between another side of piezo-electric crystal and transducer housing inwall
Pad；Lateral circular claw is provided with the lateral wall of the transducer housing of neighbour's noise elimination screen pad side, is passed through described lateral round
Ring-type claw is equipped with the current stabilization element in cone tubular structure, is flowed to by medium, the cone of current stabilization element is when being flowed in face of medium
Current stabilization rectifier, it is current stabilization line device, the axis of current stabilization element and the axis weight of shell of transducer when being flowed to along medium
Close.
2. the ultrasonic heat energy meter transmitter according to claim 1 based on current stabilization and backwards to the acoustic-electrical transducer eliminated the noise,
It is characterized in that：Set on the lateral wall of the transducer housing of neighbour's piezo-electric crystal side fluted.
3. the ultrasonic heat energy meter transmitter according to claim 1 based on current stabilization and backwards to the acoustic-electrical transducer eliminated the noise,
It is characterized in that：Transducer housing upper end is provided with the Access Division being connected with shell of transducer, is provided with described Access Division
Boss, transducer unit is integrally inserted in transmitter enclosure body by transducer mounting hole, and is stuck in pick-up by described Access Division
On device housing, sealing gasket is placed in described boss periphery, compresses sealing gasket by hollow round nut, transducer housing is fixed on
On shell of transducer, single fulcrum support structure of acoustic-electrical transducer unit is formed.
4. the ultrasonic heat energy meter transmitter according to claim 1 based on current stabilization and backwards to the acoustic-electrical transducer eliminated the noise,
It is characterized in that：Transducer housing upper end external diameter is more than the external diameter of transducer housing main part, accordingly, on shell of transducer
Transducer mounting hole be more than transducer housing external diameter, acoustic-electrical transducer unit integrally can be by the transducing on shell of transducer
Device mounting hole is inserted in transmitter enclosure body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720914908.2U CN206945175U (en) | 2017-07-26 | 2017-07-26 | Ultrasonic heat energy meter transmitter based on current stabilization and backwards to the acoustic-electrical transducer eliminated the noise |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720914908.2U CN206945175U (en) | 2017-07-26 | 2017-07-26 | Ultrasonic heat energy meter transmitter based on current stabilization and backwards to the acoustic-electrical transducer eliminated the noise |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206945175U true CN206945175U (en) | 2018-01-30 |
Family
ID=61370032
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720914908.2U Expired - Fee Related CN206945175U (en) | 2017-07-26 | 2017-07-26 | Ultrasonic heat energy meter transmitter based on current stabilization and backwards to the acoustic-electrical transducer eliminated the noise |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206945175U (en) |
-
2017
- 2017-07-26 CN CN201720914908.2U patent/CN206945175U/en not_active Expired - Fee Related
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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: 20180130 Termination date: 20190726 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |