CN110108330A - Water meter measurement pipe and ultrasonic water meter - Google Patents
Water meter measurement pipe and ultrasonic water meter Download PDFInfo
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- CN110108330A CN110108330A CN201910483468.3A CN201910483468A CN110108330A CN 110108330 A CN110108330 A CN 110108330A CN 201910483468 A CN201910483468 A CN 201910483468A CN 110108330 A CN110108330 A CN 110108330A
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- Prior art keywords
- pipeline section
- measurement
- reflecting element
- water meter
- transducer
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/66—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by measuring frequency, phase shift or propagation time of electromagnetic or other waves, e.g. using ultrasonic flowmeters
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/66—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by measuring frequency, phase shift or propagation time of electromagnetic or other waves, e.g. using ultrasonic flowmeters
- G01F1/662—Constructional details
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Volume Flow (AREA)
Abstract
The application provides a kind of water meter measurement pipe and ultrasonic water meter.The water meter measurement pipe includes reflecting element component, measurement pipeline section, the first transducer for installing the first ultrasonic transducer installs pipeline section and the second transducer for installing the second ultrasonic transducer installs pipeline section.First transducer installation pipeline section and second transducer installation pipeline section are arranged at intervals on measurement pipeline section along the length extending direction of measurement pipeline section, and are connected to measurement pipeline section.The inner wall of measurement pipeline section is arranged in reflecting element component, reflecting element component includes first reflecting element and the second reflecting element with parabolic reflecting surface, first reflecting element, which is used to the ultrasonic wave that the first ultrasonic transducer is sent being measured the inner wall of pipeline section, reflexes to the second reflecting element, and the second reflecting element is used for ultrasonic reflections to the second ultrasonic transducer.The water meter measurement pipe has the characteristics that measurement accuracy is high, and other than the reflecting element component of setting, remaining reflecting surface is measurement pipeline section inner wall, does not need special processing and fabricating.
Description
Technical field
This application involves flow measurement technical fields, in particular to a kind of water meter measurement pipe and ultrasonic water meter.
Background technique
Current small-bore ultrasonic water meter mostly uses correlation, V-type reflective or U-shaped reflecting type ultrasonic measurement pipe portion
Part.Although aforesaid way also may be implemented to measure, haves the shortcomings that measurement accuracy deficiency.
Summary of the invention
In order to overcome above-mentioned deficiency in the prior art, the embodiment of the present application is designed to provide a kind of water meter measurement pipe
And ultrasonic water meter, two reflecting elements need to can be only installed, and reflected using measurement pipeline section inner wall, that is, can guarantee in water
Effective sound path is maximized when table measurement pipe length limited, which has the characteristics that measurement accuracy is high.
In a first aspect, the embodiment of the present application provides a kind of water meter measurement pipe, including measurement pipeline section, energy converter installation pipeline section and
Reflecting element component,
The measurement pipeline section is linear type pipeline section, straight line and the survey where the water inlet and water outlet of the measurement pipeline section
The length extending direction of buret section is identical；
The energy converter installation pipeline section is arranged at intervals on the measurement pipeline section along the length extending direction of the measurement pipeline section
On, and be connected to the measurement pipeline section, the energy converter installation pipeline section includes first for installing the first ultrasonic transducer
Energy converter installs pipeline section and the second transducer for installing the second ultrasonic transducer installs pipeline section；
The reflecting element component be arranged in it is described measurement pipeline section inner wall, the reflecting element component include the first reflecting element and
Second reflecting element, the ultrasonic wave that first reflecting element is used to send first ultrasonic transducer is through the measurement pipeline section
Inner wall reflex to second reflecting element, second reflecting element is used for ultrasonic reflections to second ultrasonic wave transducer
Device, wherein the face on first reflecting element and the second reflecting element for reflecting ultrasonic wave is parabolic reflecting surface.
Further, the embodiment provided with reference to the above first aspect, the channel measured in pipeline section are cylindric.
Further, the embodiment provided with reference to the above first aspect, first reflecting element and the second reflecting element are
Flake, wherein each reflection path in the transmission path of ultrasonic wave intersects with the central axes of the measurement pipeline section.
Further, the embodiment provided with reference to the above first aspect, first reflecting element and second reflecting element
It is strip, the length direction of first reflecting element and second reflecting element along the measurement pipeline section is arranged described
It measures on the inner wall of pipeline section and is contacted with the inner wall of the measurement pipeline section.
Further, the embodiment provided with reference to the above first aspect, the energy converter installation pipeline section and the measurement pipe
Section vertical connection.
Further, the embodiment provided with reference to the above first aspect, the length extension side of the energy converter installation pipeline section
It is acute angle to the angle between the length extending direction of the measurement pipeline section.
Further, the embodiment provided with reference to the above first aspect, the measurement pipeline section include the first connecting hole, second
The side of the measurement pipeline section is arranged in connecting hole, first connecting hole and second connecting hole；
The first transducer installation pipeline section includes first through hole and the second through-hole, and second through-hole and described first connect
The aperture matching in hole is connect, the first transducer installation pipeline section passes through second through-hole and first connecting hole and the survey
The connection of buret section；
The second transducer installation pipeline section includes third through-hole and fourth hole, and the fourth hole and described second connect
The aperture matching in hole is connect, the second transducer installation pipeline section passes through the fourth hole and second connecting hole and the survey
The connection of buret section.
Further, the embodiment provided with reference to the above first aspect, first connecting hole and second connecting hole
First side of the measurement pipeline section is set, and second side of the measurement pipeline section is arranged in the reflecting element component, wherein described
First side is oppositely arranged with described second side.
Second aspect, the embodiment of the present application provide a kind of ultrasonic water meter, including processor, the first ultrasonic transducer,
Second ultrasonic transducer and the water meter measurement pipe, the first ultrasonic transducer setting are pacified in the first transducer
At tubulature section, second ultrasonic transducer setting at second transducer installation pipeline section, the processor with it is described
First ultrasonic transducer and the second ultrasonic transducer are electrically connected, for according to first ultrasonic transducer and second
The Electric signal processing that ultrasonic transducer is sent obtains flow measurement.
Further, the embodiment provided with reference to the above first aspect, the ultrasonic water meter further include display unit, institute
It states display unit and the processor is electrically connected, for showing the flow measurement.
In terms of existing technologies, the application has the advantages that
The embodiment of the present application provides a kind of water meter measurement pipe and ultrasonic water meter.The water meter measurement pipe include measurement pipeline section,
Energy converter installs pipeline section and reflecting element component.The measurement pipeline section be linear type pipeline section, it is described measurement pipeline section water inlet and go out
Straight line where the mouth of a river is identical as the measurement length extending direction of pipeline section.The energy converter installation pipeline section is along the measurement pipeline section
Length extending direction be arranged at intervals on the measurement pipeline section, and be connected to the measurement pipeline section.The energy converter installing pipe
Section includes installing pipeline section and for installing the second ultrasonic transducer for installing the first transducer of the first ultrasonic transducer
Second transducer install pipeline section.The inner wall of the measurement pipeline section, the reflecting element component packet is arranged in the reflecting element component
Include the first reflecting element and the second reflecting element.First reflecting element is used for the ultrasonic wave for sending first ultrasonic transducer
Inner wall through the measurement pipeline section reflexes to second reflecting element.Second reflecting element is used for ultrasonic reflections to described
Second ultrasonic transducer.Face on first reflecting element and the second reflecting element for reflecting ultrasonic wave is parabolic reflecting surface.
In above-mentioned water meter measurement pipe, since the measurement pipeline section is linear type pipeline section, the inlet port of the measurement pipeline section and water outlet institute
It is identical as the measurement length extending direction of pipeline section in straight line, therefore the water meter measurement pipe pressure loss is minimum, laminar flow domain
Width, the flow point that turbulent flow occurs are high.Also, it is reflected ultrasonic wave using reflecting element component and the inner wall for measuring pipeline section, and reflecting element
Face on the first reflecting element and the second reflecting element in component for reflecting ultrasonic wave is parabolic reflecting surface, which can
Guarantee to reflect ultrasonic wave in a manner of having intersection point with measurement pipeline section central axes, thus may make and measure length of tube in water meter
By in limited time, effective sound path of ultrasonic wave is maximized, to have the characteristics that measurement accuracy is high.Simultaneously as remaining reflecting surface is
Pipeline section inner wall is measured, therefore does not also need special processing and fabricating, the difficulty of processing of the water meter measurement pipe is not high.
For enable application above objects, features, and advantages be clearer and more comprehensible, the application preferred embodiment is cited below particularly, and
Cooperate appended attached drawing, is described in detail below.
Detailed description of the invention
Technical solution in ord to more clearly illustrate embodiments of the present application, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only some embodiments of the application, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is the structural schematic diagram of water meter measurement pipe provided by the embodiments of the present application.
Fig. 2 is the sectional view along A-A of water meter measurement pipe in Fig. 1.
Fig. 3 is reflection schematic diagram in cross section provided by the embodiments of the present application.
Fig. 4 is reflection schematic diagram in longitudinal section provided by the embodiments of the present application.
Fig. 5 is the structural schematic diagram of reflecting element provided by the embodiments of the present application.
Fig. 6 is one of the block diagram of ultrasonic water meter provided by the embodiments of the present application.
Fig. 7 is the two of the block diagram of ultrasonic water meter provided by the embodiments of the present application.
Icon: 10- ultrasonic water meter；100- water meter measurement pipe；110- measures pipeline section；The first connecting hole of 111-；112-
Two connecting holes；114- water inlet；115- water outlet；120- energy converter installs pipeline section；121- first transducer installs pipeline section；
1211- first through hole；122- second transducer installs pipeline section；1221- third through-hole；130- reflecting element component；131- first is anti-
Penetrate part；The second reflecting element of 132-；The first ultrasonic transducer of 141-；The second ultrasonic transducer of 142-；145- processor；147-
Display unit.
Specific embodiment
Below in conjunction with attached drawing in the embodiment of the present application, technical solutions in the embodiments of the present application carries out clear, complete
Ground description, it is clear that described embodiments are only a part of embodiments of the present application, instead of all the embodiments.Usually exist
The component of the embodiment of the present application described and illustrated in attached drawing can be arranged and be designed with a variety of different configurations herein.
Therefore, the detailed description of the embodiments herein provided in the accompanying drawings is not intended to limit below claimed
Scope of the present application, but be merely representative of the selected embodiment of the application.Based on embodiments herein, those skilled in the art
Member's every other embodiment obtained without making creative work, shall fall in the protection scope of this application.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
In the description of the present application, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, or be somebody's turn to do
Application product using when the orientation or positional relationship usually put, be merely for convenience of description the application and simplify description, without
It is that the device of indication or suggestion meaning or element must have a particular orientation, be constructed and operated in a specific orientation, therefore not
It can be interpreted as the limitation to the application.In addition, term " first ", " second ", " third " etc. are only used for distinguishing description, and cannot manage
Solution is indication or suggestion relative importance.
In addition, the terms such as term "horizontal", "vertical", " pendency " are not offered as requiring component abswolute level or pendency, and
It is that can be slightly tilted.It is not to indicate the structure if "horizontal" only refers to that its direction is more horizontal with respect to for "vertical"
It has to fully horizontally, but can be slightly tilted.
In the description of the present application, it is also necessary to which explanation is unless specifically defined or limited otherwise, term " setting ",
" installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be fixedly connected, may be a detachable connection or one
Connect to body；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, it can also be indirect by intermediary
It is connected, can be the connection inside two elements.For the ordinary skill in the art, on being understood with concrete condition
State the concrete meaning of term in this application.
Before present inventor proposes the technical solution in the embodiment of the present application, ultrasonic water meter generally uses U-shaped
Dual reflective measurement pipe, correlation measurement pipe, U-shaped correlation measurement pipe, the reflective measurement pipe of V-type, the reflective measurement pipe of W type.U
Runner center, column meeting choked flow and formation vortex can be stood in type dual reflective measurement pipe there are two column reflecting element, because
And it is big to will lead to liquid in pipe stress injury；And big stream is easy to appear turbulent flow, so that big stream error exceeds standard；Simultaneously in pipe
The deficiency that interior two columns of setting have processing complicated.Although correlation measurement pipe runner is straight-through, the pressure loss is small,
In the identical situation of pipe range, the effective sound path of which is small, and when bore is smaller, measurement accuracy is very low.Though U-shaped correlation measurement pipe
So effectively sound path can achieve maximum, but U-shaped from import to exporting, and cause the pressure loss big.The reflective measurement pipe of V-type is
Through type, the pressure loss is small, but effectively sound path is small.
For defect present in above scheme, be inventor being obtained after practicing and carefully studying as a result,
Therefore, the discovery procedure of the above problem and the solution that hereinafter the embodiment of the present application is proposed regarding to the issue above, all
It should be the contribution that inventor makes the application during the application.
Fig. 1 is please referred to, Fig. 1 is the structural schematic diagram of water meter measurement pipe 100 provided by the embodiments of the present application.The water meter is surveyed
Buret 100 may include measurement pipeline section 110, energy converter installation pipeline section 120 and reflecting element component 130.Energy converter installs pipeline section 120
For installing ultrasonic transducer, the reflecting element component 130 is used for ultrasonic reflections to inner wall, and surpassing inner wall reflection
Sound wave reflexes to ultrasonic transducer, to realize in water meter 100 length limited of measurement pipe, guarantees that effective sound path maximizes, from
And have the characteristics that measurement accuracy is high.As a result, when the bore D (i.e. diameter) for measuring pipeline section 110 is less than 25mm, it can also accomplish
R is more than or equal to 400.Wherein, R indicates the ratio for the maximum value and minimum value that water meter measurement pipe 100 can be measured accurately.L in Fig. 1
Indicate the length of water meter measurement pipe 100, Ls indicates effective sound path.
In the present embodiment, the measurement pipeline section 110 is linear type pipeline section.The measurement pipeline section 110 include water inlet 114 and
Water outlet 115.The measurement pipeline section 110 be connected to by water inlet 114 with a water channel A, and pass through the water outlet 115 and
Another water channel B connection, so that the water flow to be measured for flowing to the measurement pipeline section 110 from water channel A can be through the measurement pipeline section
110, which flow into water supply, passes through B.Wherein, the water inlet 114 and the 115 place straight line of water outlet and the measurement pipeline section 110
It is identical that length extends mode, that is to say, that the measurement pipeline section 110 is through type, and the pressure loss is small.
The energy converter installation pipeline section 120 is arranged at intervals on the survey along the length extending direction of the measurement pipeline section 110
Outer wall in buret section 110, and be connected to the measurement pipeline section 110.The energy converter installation pipeline section 120 includes first transducer
Pipeline section 121 is installed and second transducer installs pipeline section 122, the first transducer installation pipeline section 121 is for installing the first ultrasound
Wave transducer, the second transducer installation pipeline section 122 is for installing the second ultrasonic transducer.Wherein, above-mentioned ultrasonic waves
Energy device is for sending or receiving ultrasonic wave.
The inner wall of the measurement pipeline section 110 is arranged in the reflecting element component 130, and the reflecting element component 130 includes the
One reflecting element 131 and the second reflecting element 132.Pipeline section 121 is corresponding sets for the installation of first reflecting element 131 and the first transducer
It sets, for the ultrasonic wave of the first ultrasonic transducer transmission at the first transducer installation pipeline section 121 will to be mounted on through institute
The inner wall for stating measurement pipeline section 110 reflexes to second reflecting element 132.Second reflecting element 132 is used for will be through the measurement
Ultrasonic reflections after the reflection of 110 inner wall of pipeline section are to the second ultrasonic wave being mounted at second transducer installation pipeline section 122
On energy converter 142.
In the present embodiment, the water meter measurement pipe 100 is led directly to from water inlet 114 to water outlet 115, therefore has pressure
Lose the feature that small, laminar flow domain is wide, the flow of turbulent appearance point is high.Also, due to being carried out using the inner wall of measurement pipeline section 110
Reflection not will be installed other anti-other than installing two reflecting elements (i.e. the first reflecting element 131 and the second reflecting element 132)
Emitter part, therefore also have the characteristics that difficulty of processing is small.And the water meter measurement pipe 100 is limited in length L can make effective sound path
It maximizes, has the characteristics that measurement accuracy is high.
Fig. 1 and Fig. 2 is please referred to, Fig. 2 is the sectional view along A-A of water meter measurement pipe 100 in Fig. 1.In the present embodiment, described
The channel formed by inner wall measured in pipeline section 110 is cylinder, the constant diameter of the cylinder, and inner wall smooth, to guarantee to pass through
The ultrasonic wave of first reflecting element 131 reflection can reflect on back reflection to the second reflecting element 132 at least once through inner wall.
Optionally, 110 hollow cylindrical of pipeline section is entirely measured.
Optionally, the measurement pipeline section 110 can be made of metal material, for example, copper, stainless steel etc., it can also be by non-
Metal material is made.
In the present embodiment, first reflecting element 131 and the second reflecting element 132 are flake.Optionally, described
It is parabolic reflecting surface that one reflecting element 131, which is by the surface for being used to reflect ultrasonic wave on the second reflecting element 132,.The transmission road of ultrasonic wave
Each reflection path in diameter intersects with the central axes of the measurement pipeline section 110.Wherein, transmission path is by multiple reflection path groups
At the central axes are the central axes for measuring channel in pipeline section 110.
Further, first reflecting element 131 and the second reflecting element 132 are strip.First reflecting element 131
And second reflecting element 132 along it is described measurement pipeline section 110 length direction be arranged in it is described measurement pipeline section 110 inner wall along and with
The inner wall contact of the measurement pipeline section 110, to reduce the influence to water flow to be measured.
In the embodiment of the present embodiment, the energy converter installation pipeline section 120 can be arranged in described at a certain angle
Measure 110 outer wall of pipeline section.For example, the energy converter installation pipeline section 120 and 110 vertical connection of measurement pipeline section, alternatively, described
The angle that energy converter is installed between the length extending direction of pipeline section 120 and the length extending direction of the measurement pipeline section 110 is sharp
Angle.Of course, it should be understood that specific angle can be arranged according to the actual situation.Wherein, energy converter installation pipeline section 120 with
Increasing no more than 90 ° of angle with the increase of the diameter of the measurement pipeline section 110 between the measurement pipeline section 110.
Referring once again to Fig. 1, the measurement pipeline section 110 includes the first connecting hole 111, the second connecting hole 112.Described first
Connecting hole 111 and second connecting hole 112 are arranged at the side of the measurement pipeline section 110.The first transducer installation
Pipeline section 121 includes first through hole 1211 and the second through-hole, and second through-hole is matched with the aperture of first connecting hole 111,
The first transducer installation pipeline section 121 passes through second through-hole and first connecting hole 111 and the measurement pipeline section 110
Connection.That is, one end of the first transducer installation pipeline section 121 is provided with the first through hole 1211, the other end is arranged
The second through-hole is stated, making first connecting hole 111 be connected to (for example, in a manner of being overlapped) with second through-hole
Realize the connection of the first transducer installation pipeline section 121 and the measurement pipeline section 110.The second transducer installs pipeline section
122 include third through-hole 1221 and fourth hole, and the fourth hole is matched with the aperture of second connecting hole 112, described
Second transducer is installed pipeline section 122 and is connected by the fourth hole and second connecting hole 112 and the measurement pipeline section 110
It is logical.That is, one end of the second transducer installation pipeline section 122 is provided with the third through-hole 1221, the other end is provided with described
Fourth hole, making second connecting hole 112 be connected to (for example, in a manner of being overlapped) with the fourth hole, Ji Keshi
The connection of existing the second transducer installation pipeline section 122 and the measurement pipeline section 110.Thus, it is ensured that energy converter installs pipeline section
120 are connected to the measurement pipeline section 110.It is alternatively possible to which setting first transducer installs pipeline section 121, the according to actual needs
Two energy converters install the specific location of pipeline section 122, the first reflecting element 131 and the second reflecting element 132.
Further, the first of the measurement pipeline section 110 is arranged in first connecting hole 111 and the second connecting hole 112
Second side of the measurement pipeline section 110 is arranged in side, the reflecting element component 130, and first side and second side are oppositely arranged.
The first ultrasonic transducer, the second ultrasonic transducer and the reflecting element component 130 can be oppositely arranged as a result, there is beauty
It sees, prevent take up the characteristics of excessive space.
Referring to figure 3. and Fig. 4, below by taking the first ultrasonic transducer 141 generates ultrasonic wave as an example, to ultrasonic wave in water meter
Reflection in measurement pipe 100 is illustrated.As shown in figure 3, in cross section, the ultrasonic wave of the first ultrasonic transducer 141 transmission
X-Y plane component (in parallel from top to bottom) through the first reflecting element 131 reflection after, all by the center of circle invest measure pipeline section
Edge on 110 inner walls.As shown in figure 4, the ultrasonic wave sent by the first ultrasonic transducer 141 is in measurement pipeline section 110 in vertical screenshot
Inner wall cylindrical surface center line component (from left to right) in the plane after the reflection of the first reflecting element 131, all along in
Heart line invests measurement 110 inner wall opposite of pipeline section.The ray for crossing measurement 110 inner wall cylindrical surface center line of pipeline section, after inner wall reflects
Still inner wall cylindrical surface center line is crossed.Most afterwards after second reflecting element 132 reflection, by second ultrasonic transducer
142 receive.Ultrasonic wave is completed as a result, propagates overall process from left to right.
In an embodiment of the present embodiment, referring to figure 5., Fig. 5 is reflecting element provided by the embodiments of the present application
Structural schematic diagram.The reflecting element can satisfy formula: Y=X2/ (2D), the i.e. throwing of the first reflecting element 131 and the second reflecting element 132
Object reflecting surface is all satisfied above-mentioned formula.Wherein, D indicates the diameter of measurement pipeline section 110.
Fig. 1 and Fig. 6 is please referred to, Fig. 6 is one of the block diagram of ultrasonic water meter 10 provided by the embodiments of the present application.It is super
Sound wave water meter 10 be by detection ultrasonic wave acoustic beam in water time and tide propagate when because speed changes the time difference generated,
The flow velocity that analysis handles to be discharged, to further calculate a kind of new-type water meter of the flow of water outlet.In the present embodiment, described
Ultrasonic water meter 10 includes that processor 145, the first ultrasonic transducer 141, the second ultrasonic transducer 142 and the water meter are surveyed
Buret 100.The setting of first ultrasonic transducer 141 is at first transducer installation pipeline section 121, second ultrasound
The setting of wave transducer 142, thus can mounting ultrasonic energy converter at second transducer installation pipeline section 122.The processing
Device 145 and first ultrasonic transducer 141 and the second ultrasonic transducer 142 are electrically connected, for according to described first
The Electric signal processing that ultrasonic transducer 141 and the second ultrasonic transducer 142 are sent obtains volume computation.
Further, please refer to Fig. 7, Fig. 7 be ultrasonic water meter 10 provided by the embodiments of the present application block diagram it
Two.The ultrasonic water meter 10 can also include display unit 147.The display unit 147 electrically connects with the processor 145
It connects, the flow measurement sent for showing the processor 145.
In conclusion the embodiment of the present application provides a kind of water meter measurement pipe and ultrasonic water meter.The water meter measurement pipe includes
Measure pipeline section, energy converter installation pipeline section and reflecting element component.The measurement pipeline section is linear type pipeline section, and the measurement pipeline section enters
Straight line where the mouth of a river and water outlet is identical as the measurement length extending direction of pipeline section.The energy converter installation pipeline section is described in
The length extending direction of measurement pipeline section is arranged at intervals on the measurement pipeline section, and is connected to the measurement pipeline section.The transducing
Device installation pipeline section includes installing pipeline section and for installing the second ultrasound for installing the first transducer of the first ultrasonic transducer
The second transducer of wave transducer installs pipeline section.The inner wall of the measurement pipeline section, the reflection is arranged in the reflecting element component
Part component includes the first reflecting element and the second reflecting element.First reflecting element is used to send first ultrasonic transducer
Ultrasonic wave through it is described measurement pipeline section inner wall reflex to second reflecting element.Second reflecting element is used for ultrasonic wave is anti-
It is incident upon second ultrasonic transducer.Face on first reflecting element and the second reflecting element for reflecting ultrasonic wave is parabolic
Reflecting surface.In above-mentioned water meter measurement pipe, due to the measurement pipeline section be linear type pipeline section, the inlet port of the measurement pipeline section with go out
Straight line where the mouth of a river is identical as the length extension defence line of the measurement pipeline section, therefore the water meter measurement pipe pressure loss is minimum, layer
Flow the flow point height that range is wide, and turbulent flow occurs.Also, it is reflected ultrasonic wave using reflecting element component and the inner wall for measuring pipeline section, and
Face on the first reflecting element and the second reflecting element in reflecting element component for reflecting ultrasonic wave is parabolic reflecting surface, and the parabolic is anti-
It penetrates face and can guarantee and reflect ultrasonic wave in a manner of having intersection point with measurement pipeline section central axes, thus may make and measured in water meter
When length of tube is effective, effective sound path of ultrasonic wave is maximized, to have the characteristics that measurement accuracy is high.Simultaneously as remaining is anti-
Face is penetrated as measurement pipeline section inner wall, therefore does not also need special processing and fabricating, the difficulty of processing of the water meter measurement pipe is not high.
The foregoing is merely preferred embodiment of the present application, are not intended to limit this application, for the skill of this field
For art personnel, various changes and changes are possible in this application.Within the spirit and principles of this application, made any to repair
Change, equivalent replacement, improvement etc., should be included within the scope of protection of this application.
Claims (10)
1. a kind of water meter measurement pipe, which is characterized in that pipeline section and reflecting element component are installed including measurement pipeline section, energy converter,
The measurement pipeline section is linear type pipeline section, straight line and the measurement pipe where the water inlet and water outlet of the measurement pipeline section
The length extending direction of section is identical；
The energy converter installation pipeline section is arranged at intervals on the measurement pipeline section along the length extending direction of the measurement pipeline section, and
It is connected to the measurement pipeline section, the energy converter installation pipeline section includes the first transducer for installing the first ultrasonic transducer
Pipeline section is installed and the second transducer for installing the second ultrasonic transducer installs pipeline section；
The inner wall of the measurement pipeline section is arranged in the reflecting element component, and the reflecting element component includes the first reflecting element and second
Reflecting element, the ultrasonic wave that first reflecting element is used to send first ultrasonic transducer is through in the measurement pipeline section
Wall reflexes to second reflecting element, and second reflecting element is used for ultrasonic reflections to second ultrasonic transducer,
Wherein, the face on first reflecting element and the second reflecting element for reflecting ultrasonic wave is parabolic reflecting surface.
2. water meter measurement pipe according to claim 1, which is characterized in that the channel in the measurement pipeline section is cylindric.
3. water meter measurement pipe according to claim 2, which is characterized in that first reflecting element and the second reflecting element are
Flake, wherein each reflection path in the transmission path of ultrasonic wave intersects with the central axes of the measurement pipeline section.
4. water meter measurement pipe according to claim 3, which is characterized in that first reflecting element and second reflecting element
It is strip, the length direction of first reflecting element and second reflecting element along the measurement pipeline section is arranged described
It measures on the inner wall of pipeline section and is contacted with the inner wall of the measurement pipeline section.
5. water meter measurement pipe according to claim 1, which is characterized in that the energy converter installation pipeline section and the measurement pipe
Section vertical connection.
6. water meter measurement pipe according to claim 1, which is characterized in that the length extension side of the energy converter installation pipeline section
It is acute angle to the angle between the length extending direction of the measurement pipeline section.
7. water meter measurement pipe described in any one of -6 according to claim 1, which is characterized in that
The measurement pipeline section includes the first connecting hole, the second connecting hole, and first connecting hole and second connecting hole are arranged
In the side of the measurement pipeline section；
First transducer installation pipeline section includes first through hole and the second through-hole, second through-hole and first connecting hole
Aperture matching, first transducer installation pipeline section passes through second through-hole and first connecting hole and the measurement pipe
Duan Liantong；
Second transducer installation pipeline section includes third through-hole and fourth hole, the fourth hole and second connecting hole
Aperture matching, second transducer installation pipeline section passes through the fourth hole and second connecting hole and the measurement pipe
Duan Liantong.
8. water meter measurement pipe according to claim 7, which is characterized in that first connecting hole and second connecting hole
First side of the measurement pipeline section is set, and second side of the measurement pipeline section is arranged in the reflecting element component, wherein described
First side is oppositely arranged with described second side.
9. a kind of ultrasonic water meter, which is characterized in that including processor, the first ultrasonic transducer, the second ultrasonic transducer
And water meter measurement pipe described in any one of claim 1-8, the first ultrasonic transducer setting are changed described first
At energy device installation pipeline section, the second ultrasonic transducer setting is at second transducer installation pipeline section, the processor
It is electrically connected with first ultrasonic transducer and the second ultrasonic transducer, for according to first ultrasonic transducer
And second ultrasonic transducer send Electric signal processing obtain flow measurement.
10. water meter measurement pipe according to claim 9, which is characterized in that the ultrasonic water meter further includes display unit,
The display unit and the processor are electrically connected, for showing the flow measurement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910483468.3A CN110108330B (en) | 2019-06-04 | 2019-06-04 | Water meter measuring tube and ultrasonic water meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910483468.3A CN110108330B (en) | 2019-06-04 | 2019-06-04 | Water meter measuring tube and ultrasonic water meter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110108330A true CN110108330A (en) | 2019-08-09 |
| CN110108330B CN110108330B (en) | 2024-09-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201910483468.3A Active CN110108330B (en) | 2019-06-04 | 2019-06-04 | Water meter measuring tube and ultrasonic water meter |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112345009A (en) * | 2020-10-29 | 2021-02-09 | 湖南常德牌水表制造有限公司 | Automatic-correction large-caliber ultrasonic water meter and correction method thereof |
| CN112857487A (en) * | 2019-11-27 | 2021-05-28 | 株洲珠华水工业科技开发有限公司 | Ultrasonic water meter with multiple transmission modes |
| CN116182966A (en) * | 2023-03-06 | 2023-05-30 | 青岛乾程科技股份有限公司 | Pipe section for ultrasonic water meter and ultrasonic water meter |
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