CN203364891U - Ultrasonic water meter - Google Patents
Ultrasonic water meter Download PDFInfo
- Publication number
- CN203364891U CN203364891U CN 201320452332 CN201320452332U CN203364891U CN 203364891 U CN203364891 U CN 203364891U CN 201320452332 CN201320452332 CN 201320452332 CN 201320452332 U CN201320452332 U CN 201320452332U CN 203364891 U CN203364891 U CN 203364891U
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- mounting hole
- hole
- water meter
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- ultrasonic
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Abstract
The utility model relates to an ultrasonic water meter which is characterized by comprising an ultrasonic flow tube (31) and a meter head (32), wherein the meter head (32) is connected with the ultrasonic flow tube (31). The meter head (32) comprises a base (37) connected with the ultrasonic flow tube (31), and a meter head cover (33) arranged on the base (37); a display screen (34) is arranged in a space formed by the base (37) and the meter head cover (33). A circuit board (35) is fixedly arranged under the display screen (34), and a battery (36) is fixedly arranged under the circuit board (35). The ultrasonic water meter has the beneficial effects that the measuring accuracy of fluid can be improved, meanwhile, the pressure loss cannot be caused, and the structure is simple.
Description
Technical field
The utility model relates to a kind of water meter, is specifically related to a kind of Ultrasonic water meter.
Background technology
Water meter is the instrument of measuring discharge, is that the integrated flow of water is measured mostly.Generally be divided into volumetric water meter and velocity type water meter two classes.Record the instrument of tap water water consumption, be contained on water pipe, when the user discharges water, on table, pointer or character wheel rotate and point out the water yield of passing through.
The ultrasonic flow tube of existing water meter is that two installing ports are set on body, two installing port places arrange respectively the ultrasound examination element, in the transmission time between two ultrasound examination elements according to the distance between the ultrasound examination element and ultrasonic signal, measure in the unit interval fluid flow of the body of flowing through.
The center line of flowtube two mounting holes in existing water meter forms V-arrangement or W shape, ultrasonic signal has passed through two secondary reflections, weakened signal, but the quantity of the straight-line segment of process is little, so measuring accuracy is not high, therefore need to be improved flowtube, at first by increase ultrasonic signal the quantity of straight-line segment of process improve the precision of detection; Need again on the other hand to reduce reflection, reduce the pressure loss.
The utility model content
The utility model purpose is to provide a kind of Ultrasonic water meter, and not only accuracy of detection is high, has avoided the pressure loss simultaneously.
For achieving the above object, the utility model provides a kind of Ultrasonic water meter, comprise ultrasonic flow tube and be connected to the gauge outfit on this ultrasonic flow tube, described gauge outfit comprises the base be connected with described ultrasonic flow tube and is arranged on the gauge outfit lid on base, be provided with display screen in the space that described base and gauge outfit lid form, this display screen below sets firmly circuit board, and this circuit board below sets firmly battery.
As preferably: the throttle body in ultrasonic flow tube has throttle orifice on axially, have outward-dipping on described throttle body sidewall and connect the first mounting hole of described throttle orifice, the second mounting hole, the 3rd mounting hole and the 4th mounting hole, wherein said the first mounting hole and the 3rd mounting hole are over against setting, the hole heart line of this first mounting hole and the 3rd mounting hole overlaps, described the second mounting hole and the 4th mounting hole are over against setting, the hole heart line of this second mounting hole and the 4th mounting hole overlaps, the hole heart line of the hole heart line of described the first mounting hole and the 3rd mounting hole and described the second mounting hole and the 4th mounting hole intersects and is X-shaped, at the first mounting hole, the second mounting hole, be respectively equipped with ultrasonic transducer on the 3rd mounting hole and the 4th mounting hole,
As preferably: be provided with four outward-dipping mounting hole seats on described throttle body lateral wall, offer respectively described the first mounting hole, the second mounting hole, the 3rd mounting hole and the 4th mounting hole on four these mounting hole seats.
As preferably: the acute angle angle a between the hole heart line of the hole heart line of described the first mounting hole and the 3rd mounting hole and described the second mounting hole and the 4th mounting hole is 76 °.
As preferably: described throttle orifice comprises the hand-hole section, detection segment and the section of portalling, and described the first mounting hole, the second mounting hole, the 3rd mounting hole and the 4th mounting hole site are in described detection segment.
As preferably: shrink to centre gradually from two ends in the aperture of described hand-hole section and the described section of portalling, and the minimum-value aperture of described hand-hole section and the described section of portalling is identical with the aperture of described test side.
As preferably: described hand-hole section and the described section of portalling are bellmouth, and the tapering β of this bellmouth is 40 °.
The beneficial effects of the utility model are: by this Ultrasonic water meter, can improve the precision of fluid measurement, and loss that simultaneously can build-up of pressure, simple in structure.
The accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
The structural representation that Fig. 2 is ultrasonic flow tube in the utility model.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail:
A kind of Ultrasonic water meter as illustrated in fig. 1 and 2, comprise ultrasonic flow tube 31 and be threaded in the gauge outfit 32 on this ultrasonic flow tube 31, have throttle orifice 2 on throttle body 1 in ultrasonic flow tube 31 is axial, have outward-dipping on described throttle body 1 sidewall and connect the first mounting hole of described throttle orifice 2, the second mounting hole, the 3rd mounting hole and the 4th mounting hole, wherein said the first mounting hole and the 3rd mounting hole are over against setting, the hole heart line of this first mounting hole and the 3rd mounting hole overlaps, described the second mounting hole and the 4th mounting hole are over against setting, the hole heart line of this second mounting hole and the 4th mounting hole overlaps, the hole heart line of the hole heart line of described the first mounting hole and the 3rd mounting hole and described the second mounting hole and the 4th mounting hole intersects and is X-shaped, at the first mounting hole, the second mounting hole, be respectively equipped with ultrasonic transducer 5 on the 3rd mounting hole and the 4th mounting hole, described gauge outfit 32 comprises the base 37 be connected with described ultrasonic flow tube 31 and is arranged on the gauge outfit lid 33 on base 37, be provided with display screen 34 in the space that described base 37 and gauge outfit lid 33 form, these display screen 34 belows set firmly circuit board 35, and these circuit board 35 belows set firmly battery 36.
Described flowtube body 1 two ends, left and right are provided with mounting flange 11,12, and connect described throttle orifice 2 is set on described mounting flange 11,12, and described mounting flange 11,12 is for being installed on the utility model water meter the pipeline needed with ultrasonic throttle device.
Described throttle orifice 2 comprises hand-hole section 21, detection segment 22 and the section of portalling 23, shrink to the inside of described throttle orifice 2 gradually from the end face of described throttle orifice 2 in the aperture of described hand-hole section 21, and the angle β between the maximum diameter of hole of described hand-hole section 21 and the line of minimum-value aperture is 40 °.The minimum-value aperture of described hand-hole section 21 and the described section of portalling 23 is identical with the aperture of described test side.
Be tiltedly installed with laterally zygomorphic four mounting hole seats 3 at the outside surface of the described throttle orifice 2 of described test side 22 and the centerline hole of described throttle orifice 2, offer respectively described the first mounting hole, the second mounting hole, the 3rd mounting hole and the 4th mounting hole on four these mounting hole seats 3, the acute angle angle a between the hole heart line of the hole heart line of wherein said the first mounting hole and the 3rd mounting hole and described the second mounting hole and the 4th mounting hole is 76 °.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection domain of the present utility model.
Claims (7)
1. a Ultrasonic water meter, it is characterized in that: comprise ultrasonic flow tube (31) and be connected to the gauge outfit (32) on this ultrasonic flow tube (31), described gauge outfit (32) comprises the base (37) be connected with described ultrasonic flow tube (31) and is arranged on the gauge outfit lid (33) on base (37), be provided with display screen (34) in the space that described base (37) and described gauge outfit lid (33) form, this display screen (34) below sets firmly circuit board (35), and this circuit board (35) below sets firmly battery (36).
2. Ultrasonic water meter according to claim 1, it is characterized in that: on the throttle body (1) in ultrasonic flow tube (31) is axial, have throttle orifice (2), have outward-dipping on described throttle body (1) sidewall and connect the first mounting hole of described throttle orifice (2), the second mounting hole, the 3rd mounting hole and the 4th mounting hole, wherein said the first mounting hole and the 3rd mounting hole are over against setting, the hole heart line of this first mounting hole and the 3rd mounting hole overlaps, described the second mounting hole and the 4th mounting hole are over against setting, the hole heart line of this second mounting hole and the 4th mounting hole overlaps, the hole heart line of the hole heart line of described the first mounting hole and the 3rd mounting hole and described the second mounting hole and the 4th mounting hole intersects and is X-shaped, at the first mounting hole, the second mounting hole, be respectively equipped with ultrasonic transducer (5) on the 3rd mounting hole and the 4th mounting hole.
3. Ultrasonic water meter according to claim 2, it is characterized in that: be provided with outward-dipping four mounting hole seats (3) on described throttle body (1) lateral wall, on four these mounting hole seats (3), offer respectively described the first mounting hole, the second mounting hole, the 3rd mounting hole and the 4th mounting hole.
4. according to the described Ultrasonic water meter of claim 2 or 3, it is characterized in that: the acute angle angle a between the hole heart line of the hole heart line of described the first mounting hole and the 3rd mounting hole and described the second mounting hole and the 4th mounting hole is 76 °.
5. according to the described Ultrasonic water meter of claim 2 or 3, it is characterized in that: described throttle orifice (2) comprises hand-hole section (21), detection segment (22) and the section of portalling (23), described the first mounting hole, the second mounting hole, the 3rd mounting hole and the 4th mounting hole site are in described detection segment (22).
6. Ultrasonic water meter according to claim 5, it is characterized in that: shrink to centre gradually from two ends in the aperture of described hand-hole section (21) and the described section of portalling (23), and described hand-hole section (21) is identical with the aperture of described test side with the minimum-value aperture of the described section of portalling (23).
7. Ultrasonic water meter according to claim 5, it is characterized in that: described hand-hole section (21) and the described section of portalling (23) are bellmouth, and the tapering β of this bellmouth is 40 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320452332 CN203364891U (en) | 2013-07-26 | 2013-07-26 | Ultrasonic water meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320452332 CN203364891U (en) | 2013-07-26 | 2013-07-26 | Ultrasonic water meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203364891U true CN203364891U (en) | 2013-12-25 |
Family
ID=49812638
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320452332 Expired - Lifetime CN203364891U (en) | 2013-07-26 | 2013-07-26 | Ultrasonic water meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203364891U (en) |
-
2013
- 2013-07-26 CN CN 201320452332 patent/CN203364891U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131225 |
|
| CX01 | Expiry of patent term |