CN206321285U - The ultrasonic water meter that a kind of high precision low pressure is damaged - Google Patents
The ultrasonic water meter that a kind of high precision low pressure is damaged Download PDFInfo
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- CN206321285U CN206321285U CN201621472775.XU CN201621472775U CN206321285U CN 206321285 U CN206321285 U CN 206321285U CN 201621472775 U CN201621472775 U CN 201621472775U CN 206321285 U CN206321285 U CN 206321285U
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- ultrasonic water
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Abstract
The utility model provides the ultrasonic water meter that a kind of high precision low pressure is damaged, including transducer installs body, transducer, end cap, mainboard module, table cover and flow steadying grid；The two ends that transducer installs body carry tubaeform necking down；Transducer installs body water inlet and is provided with flow steadying grid, and the inside diameter hoop of the current stabilization piece of flow steadying grid along the tubaeform necking down is uniform, and the maximum inner diameter of the tubaeform necking down is the nominal diameter of water meter.Transducer of the present utility model installs body and employs necking down design, and is provided with fluid intake flow steadying grid, and the water meter after necking down reduces fluid and passes through diameter, the current stabilization piece of flow steadying grid can guide fluid to flow to, improve rate of flow of fluid, flowing more rule is easy to ultrasonic water meter to measure.
Description
Technical field
The utility model is related to a kind of ultrasonic water meter, particularly one kind and carries high-precision ultrasonic water meter.
Background technology
Current mechanical water meter is the rotation by water impeller, linkage gear rotary metering water.The pressure loss compared with
Greatly.Ultrasonic water meter be by detect ultrasonic wave acoustic beam with it is equidistant when, due to water following current and adverse current produce spread speed
Raw change and the time difference produced, analyze and process water outlet flow velocity so as to further calculating a kind of new-type water of the flow of water outlet
Table.Internal no-movable part is without flow blocking element, no pressure loss.Flow stability of the water in body is low, to ultrasonic beam
Propagation is also easy to produce interference, influence measurement.
The content of the invention
The utility model makes ultrasonic wave to solve problem above there is provided the ultrasonic water meter that a kind of high precision low pressure is damaged
Water meter is the lowest class △ p10 in the pressure loss, and improves measurement accuracy.
The utility model solve key technical problem technical scheme be：The ultrasonic water meter that a kind of high precision low pressure is damaged,
Body, transducer, end cap, mainboard module, table cover and flow steadying grid are installed including transducer；
Storehouse is vertically installed in the middle part that the transducer installs body provided with mainboard, and the transducer installs the two ends of body
With tubaeform necking down；
The inside that the transducer installs body is intersected with its axis, the oblique erecting bed symmetrically provided with 2 pairs of transducers,
The transducer erecting bed is provided with mounting hole, and the transducer is fixed in mounting hole by screw thread pressure pad and O-ring sealing,
The outermost end of the mounting hole is by the end cap seal；
The transducer erecting bed is communicated to mainboard provided with threading hole and installs storehouse, and transducer signal line is connect by threading hole
Enter mainboard and storehouse is installed；It is the sealing space formed by drain pan, table cover that the mainboard, which installs storehouse, and the table cover sealing is fixed on described
Drain pan upper end, inside is provided with mainboard module, collection and calculation process for data；
The water inlet that the transducer installs body is provided with flow steadying grid, and flow steadying grid has 6-8 current stabilization pieces, current stabilization piece
Longitudinal section to be streamlined, inside diameter hoop of the current stabilization piece along the tubaeform necking down is uniform.
Further, the material that the transducer installs body is nodular cast iron, and length is national standard length.
Further, it is the sealing space formed by drain pan, table cover that the mainboard, which installs storehouse, and the table cover sealing is fixed on
The drain pan upper end；Set gradually in battery, mainboard module and buffering plain cushion, the drain pan and also set from bottom to top in the drain pan
There is the sealing station being adapted with the mainboard module, the sealing station is provided with sealing plain cushion.
Further, the inner distance away from the transducer signal surface of emission of the flow steadying grid is 25-40mm, further
Preferably 30mm；
Further, the maximum inner diameter of the tubaeform necking down be water meter nominal diameter, minimum diameter/maximum inner diameter=
0.75-0.85, ratio is more preferably 0.8.
During utility model works：Ultrasonic water meter is faced, current are flowed into from the left side of ultrasonic water meter, are pacified with transducer
The direction of arrow marked on tubulature body is identical, and two pairs of transducers is located at the upstream and downstream of current, when water flows, upstream respectively
Transducer send ultrasonic wave, after being received by downstream transducer, downstream transducer sends ultrasonic wave, is connect by upstream transducer
Receive, because upstream transducer transmitting ultrasonic wave is downbeam, downstream transducer transmitting ultrasonic wave is countercurrent direction, the flowing of water
Ultrasonic propagation time is set to occur minor variations, the change in propagation time is proportional to the flow velocity of liquid, during zero delivery, two pairs of sensings
Device mutually launches identical with the time needed for receiving sound wave, and when liquid flows, the acoustic transit time of countercurrent direction is more than
The acoustic transit time of downbeam.
Beneficial effect：Because transducer installs the design that body employs necking down, the water meter after necking down reduces stream
Body by when diameter, and the current stabilization piece being provided with fluid intake in flow steadying grid, flow steadying grid can guide fluid to flow to, and make
Rate of flow of fluid is improved, flowing more rule, is easy to ultrasonic water meter to measure；And the water meter of internal diameter is reduced, with straight-through body
Water meter compare, Reynolds number reduction of the water in body, when Reynolds number is smaller, the influence of viscous force stream field is more than inertia,
The disturbance of flow velocity can decay because of viscous force in flow field, and flow of fluid is stable, the more conducively measurement of ultrasonic water meter.
Brief description of the drawings
Fig. 1 is overall schematic of the present utility model；
Fig. 2 is entirety sectional view of the present utility model；
Fig. 3 is another sectional view of the present utility model；
Fig. 4 is that the utility model mainboard installs chamber structure schematic diagram；
Wherein, 1, transducer installs body；2nd, table cover；3rd, flow steadying grid；4th, battery；5th, mainboard module；6th, transducer；7th, hold
Lid；8th, plain cushion is sealed；9 buffering plain cushions.
Embodiment
Embodiment 1
The ultrasonic water meter that a kind of high precision low pressure is damaged, including transducer install body 1, transducer 6, end cap 7, mainboard mould
Block 5, table cover 2 and flow steadying grid 3；
Storehouse is vertically installed in the middle part that the transducer installs body 1 provided with mainboard, and the transducer installs the two of body 1
End carries tubaeform necking down；
The inside that the transducer installs body 1 is intersected with its axis, the oblique installation symmetrically provided with 2 pairs of transducers
Platform, the transducer erecting bed is provided with mounting hole, and the transducer 6 is fixed on installation by screw thread pressure pad and O-ring sealing
In hole, the outermost end of the mounting hole is sealed by the end cap 7；
The transducer erecting bed is communicated to mainboard provided with threading hole and installs storehouse, and transducer signal line is connect by threading hole
Enter mainboard and storehouse is installed；It is the sealing space formed by drain pan, table cover that the mainboard, which installs storehouse, and the sealing of table cover 2 is fixed on institute
Drain pan upper end is stated, inside is provided with mainboard module 5, collection and calculation process for data；
The water inlet that the transducer installs body is provided with flow steadying grid, and flow steadying grid 3 has 6 current stabilization pieces, current stabilization piece
The section of longitudinal direction is streamlined, and current stabilization piece is uniform along the tubaeform necking down inside diameter hoop.
The material that the transducer installs body 1 is nodular cast iron, and length is 200mm.
It is the sealing space formed by drain pan, table cover 2 that the mainboard, which installs storehouse, and the sealing of table cover 2 is fixed on the bottom
Shell upper end；Battery, mainboard module 5 and buffering plain cushion 9 are set gradually in the drain pan from bottom to top, be additionally provided with the drain pan with
The adaptable sealing station of the mainboard module 5, the sealing station is provided with sealing plain cushion 8.
The inner distance away from the transducer signal surface of emission of the flow steadying grid 3 is 25mm；
The maximum inner diameter of the tubaeform necking down is the nominal diameter of water meter, minimum diameter/maximum inner diameter=0.75.
Embodiment 2
The ultrasonic water meter that a kind of high precision low pressure is damaged, including transducer install body 1, transducer 6, end cap 7, mainboard mould
Block 5, table cover 2 and flow steadying grid 3；
Storehouse is vertically installed in the middle part that the transducer installs body 1 provided with mainboard, and the transducer installs the two of body 1
End carries tubaeform necking down；
The inside that the transducer installs body 1 is intersected with its axis, the oblique installation symmetrically provided with 2 pairs of transducers
Platform, the transducer erecting bed is provided with mounting hole, and the transducer 6 is fixed on installation by screw thread pressure pad and O-ring sealing
In hole, the outermost end of the mounting hole is sealed by the end cap 7；
The transducer erecting bed is communicated to mainboard provided with threading hole and installs storehouse, and transducer signal line is connect by threading hole
Enter mainboard and storehouse is installed；It is the sealing space formed by drain pan, table cover that the mainboard, which installs storehouse, and the sealing of table cover 2 is fixed on institute
Drain pan upper end is stated, inside is provided with mainboard module 5, collection and calculation process for data；
The water inlet that the transducer installs body is provided with flow steadying grid, and flow steadying grid 3 has 8 current stabilization pieces, current stabilization piece
The section of longitudinal direction is streamlined, and current stabilization piece is uniform along the tubaeform necking down inside diameter hoop.
The material that the transducer installs body 1 is nodular cast iron, and length is 500mm.
It is the sealing space formed by drain pan, table cover 2 that the mainboard, which installs storehouse, and the sealing of table cover 2 is fixed on the bottom
Shell upper end；Battery, mainboard module 5 and buffering plain cushion 9 are set gradually in the drain pan from bottom to top, be additionally provided with the drain pan with
The adaptable sealing station of the mainboard module 5, the sealing station is provided with sealing plain cushion 8.
The inner distance away from the transducer signal surface of emission of the flow steadying grid 3 is 40mm；
The maximum inner diameter of the tubaeform necking down is the nominal diameter of water meter, minimum diameter/maximum inner diameter=0.85.
Embodiment 2
The ultrasonic water meter that a kind of high precision low pressure is damaged, including transducer install body 1, transducer 6, end cap 7, mainboard mould
Block 5, table cover 2 and flow steadying grid 3；
Storehouse is vertically installed in the middle part that the transducer installs body 1 provided with mainboard, and the transducer installs the two of body 1
End carries tubaeform necking down；
The inside that the transducer installs body 1 is intersected with its axis, the oblique installation symmetrically provided with 2 pairs of transducers
Platform, the transducer erecting bed is provided with mounting hole, and the transducer 6 is fixed on installation by screw thread pressure pad and O-ring sealing
In hole, the outermost end of the mounting hole is sealed by the end cap 7；
The transducer erecting bed is communicated to mainboard provided with threading hole and installs storehouse, and transducer signal line is connect by threading hole
Enter mainboard and storehouse is installed；It is the sealing space formed by drain pan, table cover that the mainboard, which installs storehouse, and the sealing of table cover 2 is fixed on institute
Drain pan upper end is stated, inside is provided with mainboard module 5, collection and calculation process for data；
The water inlet that the transducer installs body is provided with flow steadying grid, and flow steadying grid 3 has 8 current stabilization pieces, current stabilization piece
The section of longitudinal direction is streamlined, and current stabilization piece is uniform along the tubaeform necking down inside diameter hoop.
The material that the transducer installs body 1 is nodular cast iron, and length is 300mm.
It is the sealing space formed by drain pan, table cover 2 that the mainboard, which installs storehouse, and the sealing of table cover 2 is fixed on the bottom
Shell upper end；Battery, mainboard module 5 and buffering plain cushion are set gradually in the drain pan from bottom to top, be additionally provided with the drain pan with
The adaptable sealing station of the mainboard module 5, the sealing station is provided with sealing plain cushion.
The inner distance away from the transducer signal surface of emission of the flow steadying grid 3 is 30mm；
The maximum inner diameter of the tubaeform necking down is the nominal diameter of water meter, minimum diameter/maximum inner diameter=0.8.
Claims (7)
1. the ultrasonic water meter that a kind of high precision low pressure is damaged, it is characterised in that install body including transducer, transducer, end cap,
Mainboard module, table cover and flow steadying grid；
Storehouse is vertically installed in the middle part that the transducer installs body provided with mainboard, and the two ends that the transducer installs body are carried
Tubaeform necking down；
The inside that the transducer installs body is intersected with its axis, the oblique erecting bed symmetrically provided with 2 pairs of transducers, described
Transducer erecting bed is provided with mounting hole, and the transducer is fixed in mounting hole by screw thread pressure pad and O-ring sealing, described
The outermost end of mounting hole is by the end cap seal；
The transducer erecting bed is provided with threading hole, and transducer signal line accesses mainboard by threading hole and installs storehouse；The master
It is the sealing space formed by drain pan, table cover that plate, which installs storehouse, and the table cover sealing is fixed on the drain pan upper end, and inside is provided with master
Plate module, collection and calculation process for data；
The water inlet that the transducer installs body is provided with flow steadying grid, and flow steadying grid has 6-8 current stabilization pieces, and current stabilization piece is along institute
The inside diameter hoop for stating tubaeform necking down is uniform.
2. ultrasonic water meter as claimed in claim 1, it is characterised in that the mainboard installs storehouse to be formed by drain pan, table cover
Sealing space, table cover sealing is fixed on the drain pan upper end；Battery, mainboard are set gradually in the drain pan from bottom to top
The sealing station being adapted with the mainboard module is additionally provided with module and buffering plain cushion, the drain pan, the sealing station is provided with
Seal plain cushion.
3. ultrasonic water meter as claimed in claim 1, it is characterised in that the transducer is installed the material of body and cast for ball milling
Iron.
4. ultrasonic water meter as claimed in claim 1, it is characterised in that the inner of the flow steadying grid is launched away from transducer signal
The distance in face is 25-40mm, more preferably 30mm.
5. ultrasonic water meter as claimed in claim 4, it is characterised in that the inner of the flow steadying grid is launched away from transducer signal
The distance in face is 30mm.
6. ultrasonic water meter as claimed in claim 1, it is characterised in that the maximum inner diameter of the tubaeform necking down is water meter
Nominal diameter, minimum diameter/maximum inner diameter=0.75-0.85.
7. ultrasonic water meter as claimed in claim 6, it is characterised in that the value of the minimum diameter/maximum inner diameter is 0.8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621472775.XU CN206321285U (en) | 2016-12-30 | 2016-12-30 | The ultrasonic water meter that a kind of high precision low pressure is damaged |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621472775.XU CN206321285U (en) | 2016-12-30 | 2016-12-30 | The ultrasonic water meter that a kind of high precision low pressure is damaged |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206321285U true CN206321285U (en) | 2017-07-11 |
Family
ID=59260518
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621472775.XU Active CN206321285U (en) | 2016-12-30 | 2016-12-30 | The ultrasonic water meter that a kind of high precision low pressure is damaged |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206321285U (en) |
-
2016
- 2016-12-30 CN CN201621472775.XU patent/CN206321285U/en active Active
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