CN105758476A - Insertion type ultrasonic flowmeter with flushing spray-head and submerged camera - Google Patents
Insertion type ultrasonic flowmeter with flushing spray-head and submerged camera Download PDFInfo
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- CN105758476A CN105758476A CN201610087418.XA CN201610087418A CN105758476A CN 105758476 A CN105758476 A CN 105758476A CN 201610087418 A CN201610087418 A CN 201610087418A CN 105758476 A CN105758476 A CN 105758476A
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- gauge outfit
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- ball valve
- ultrasonic flowmeter
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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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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
- G01L19/0092—Pressure sensor associated with other sensors, e.g. for measuring acceleration or temperature
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
- G01L2019/0053—Pressure sensors associated with other sensors, e.g. for measuring acceleration, temperature
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Fluid Mechanics (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Measuring Volume Flow (AREA)
Abstract
The invention provides an insertion type ultrasonic flowmeter with a flushing spray-head and a submerged camera. The flowmeter comprises a connecting rod, the lower end of the connecting rod is fixed with a flow refection mechanism through a positioning screw, a ball valve is connected to the outer wall of the middle portion of the connecting rod in a sleeving mode, and the upper end of the connecting rod is fixed with a gauge outfit component through a gauge outfit connecting component; a pressure sensor component is arranged between the ball valve and the gauge outfit component and connected with the gauge outfit component and a connecting pipe of the ball valve respectively; the flow reflection mechanism can be arranged in a pipeline and comprises a hollow tubular fixed base, the outer wall of the fixed base is fixed with the lower end of the connecting rod, two ultrasonic sensors are fixed at the upper end of the inner wall of the fixed seat, and two ultrasonic reflectors are fixed at the lower end of the inner wall of the fixed seat; the ultrasonic sensors and the ultrasonic reflectors are located in the same rectangular quadrilateral, and the oblique planes used for reflecting ultrasonic waves are arranged on the opposite end faces of the ultrasonic reflectors. According to the insertion type ultrasonic flowmeter with the flushing spray-head and the submerged camera, installation is easy and reliable, zero adjustment and flow calibration do not need to be conducted on site, and later inspection and maintenance are very convenient.
Description
Technical field
The present invention relates to the field of measuring techniques of flow, particularly relate to a kind of with the plug-type ultrasonic flowmeter of photographic head under Flushing nozzle and liquid.
Background technology
It is known that; conventional flow meters or heat energy meter many employings vane type flow transducer; there is the defects such as structure complexity, service life is short; once the time of use is longer; then certainty of measurement can be gradually lowered; and owing to fluid exists the situation containing impurity, usually can be subject to blocking etc. and have a strong impact on, give and use this to bring loss.Therefore, ultrasonic flowmeter is not owing to having mechanical movable part, and can guarantee that replacement conventional flow meters or heat energy meter under the premise of measuring accuracy.
In prior art, as depicted in figs. 1 and 2, after on-the-spot perforate, the sensor of two ultrasonic flowmeter A1 is installed on pipeline B1, scene carries out zero point debugging and flow calibration, but owing in pipeline, hydraulic pressure is excessive and water velocity is fast, it will cause that zero point debugging and flow calibration are relatively difficult, and make later stage maintenance and safeguard not convenient.
Additionally, the flow reflecting mechanism of existing ultrasonic flowmeter is after a long time use, the easy fouling of its outer surface, affect flow sensing precision.
Additionally, liquid in pipeline is not all carried out the function of Video Detection by existing ultrasonic flowmeter, thus it is unfavorable for that equipment fault is overhauled.
Summary of the invention
Embodiment of the present invention technical problem to be solved is in that, there is provided a kind of with the plug-type ultrasonic flowmeter of photographic head under Flushing nozzle and liquid, the surface of flow reflecting mechanism is rinsed, and there is Video Detection function under liquid, install simple and reliable, do not need scene to carry out zero point debugging and flow calibration, and the later stage overhauls and maintenance is all very convenient.
Embodiments provide a kind of with the plug-type ultrasonic flowmeter of photographic head under Flushing nozzle and liquid, it matches with pipeline, connects assembly including flow reflecting mechanism, positioning screw, ball valve, pressure sensor assembly, gauge outfit assembly, connecting rod and gauge outfit；Wherein,
The lower end of described connecting rod is fixed by described positioning screw and described flow reflecting mechanism, and the outer wall of middle part is socketed with described ball valve, and upper end connects assembly by described gauge outfit and fixes with described gauge outfit assembly；
Described pressure sensor assembly is arranged between described ball valve and described gauge outfit assembly, and its one end is connected with described gauge outfit assembly by conduit, and the other end is connected with the connecting tube on described ball valve；
Described flow reflecting mechanism may be disposed in described pipeline, including fixing seat, two ultrasonic sensors and two ultrasound reflector；Wherein, described fixing seat is hollow tubular, and its outer wall and described connecting rod lower end fix, and inwall upper end is fixed with said two ultrasonic sensor, and inwall lower end is fixed with said two ultrasound reflector；Said two ultrasonic sensor and said two ultrasound reflector are positioned at same right angle tetragon, and all offer the inclined-plane for reflectance ultrasound ripple on the relative end face of said two ultrasound reflector；
nullOn described pipeline, the lower position of fixing seat (11) relative to flow reflecting mechanism (1) is provided with the Flushing nozzle communicated with inner cavity of pipe，This Flushing nozzle includes head body，The first cylindric inner chamber it is provided with in described head body、The axial inner ends being positioned at the first cylindric inner chamber the rotation output cavity communicated with the first cylindric inner chamber、It is positioned at the axial outer end rotating output cavity the shower nozzle cavum laryngis communicated with rotation output cavity、And it is positioned at the axial outer end of shower nozzle cavum laryngis the umbrella water curtain forming cavity communicated with shower nozzle cavum laryngis，The outer face of the cylindric inner chamber of described first is inlet，The outer end of umbrella water curtain forming cavity is shield outlet，The cylindric inner chamber of described first is fixedly installed spinning momentum kuppe，This spinning momentum kuppe includes the circular cone plate of frustum、And the laterally centered baffle plate placed in the middle being sealingly fastened in circular cone plate outer end，The inner of described circular cone plate is circumferentially sealingly fastened on the inner inwall of the first cylindric inner chamber，First cylindric inner chamber is separated into admission chamber and spin stabilization chamber by this circular cone plate and baffle plate placed in the middle jointly，The outer end in spin stabilization chamber is connected with rotating output cavity，The bottom in spin stabilization chamber is by guard seal placed in the middle，The outer end of described circular cone plate offers to connect a pair spinning momentum hole in admission chamber and spin stabilization chamber，It is distributed on circular cone plate about this pair spinning momentum hole and is centrosymmetric cooperation for axle with the centrage of the first cylindric inner chamber，And the centrage in these two spinning momentum holes is parallel to each other and perpendicular with the centrage of the first cylindric inner chamber，This circular cone plate relative to the center of circle of the cross section of place, spinning momentum hole height and position not on the extended line of the centrage in spinning momentum hole；
Being provided with under liquid photographic head relative to the avris of flow reflecting mechanism on described inner-walls of duct, under this liquid, the outer end of photographic head is connected to the video frequency output wire for video signal output.
nullThe Flushing nozzle of this setting，Liquid enters admission chamber from inlet under pressure，Under the stop of plate washer placed in the middle and the compartmentation of circular cone plate outer wall of spinning momentum kuppe，The liquid in admission chamber is made to have higher pressure，Additionally, due to this circular cone plate offers to connect a pair spinning momentum hole in admission chamber and spin stabilization chamber，And relative to the center of circle of cross section of place, spinning momentum hole height and position not on the extended line of the centrage in spinning momentum hole，So that liquid is rotation mode when entering into the bottom in spin stabilization chamber by two spinning momentum holes，Design is expanded again through spin stabilization chamber cone，The form making the liquid stream in this spin stabilization chamber is the inwall along its spin stabilization chamber，The coiling of hollow screw formula rises、External diameter is gradually increased，Constantly accumulation momentum and raising stability，Arrive the outer end in spin stabilization chamber，And be rotated into rotating in output cavity，In rotating output cavity, the helical rotation form of liquid stream obtains stable further，Then from shower nozzle cavum laryngis in rotating、Hollow is also sprayed against inwall extrusion，And then form stable umbrella water curtain along the inwall water conservancy diversion of umbrella water curtain forming cavity.The outer surface of flow reflecting mechanism (1) can be very well rinsed by this umbrella water curtain.
Wherein, it is equipped with sealing gasket between said two ultrasonic sensor and described fixing seat, and fixes each through clamp nut between said two ultrasonic sensor and described fixing seat.
Wherein, described gauge outfit connects assembly between described ball valve and described gauge outfit assembly, including flange, the first locking nut and sealing ring；Wherein,
Described flange and described first locking nut are all socketed on the outer wall of described connecting rod, and described flange can be fixed by the shell of described first locking nut Yu described gauge outfit assembly；
Described sealing ring has at least two, and wherein, at least one sealing ring is arranged between described flange and described connecting rod, and at least one sealing ring is arranged between the shell of described flange and described gauge outfit assembly.
Wherein, described ultrasonic flowmeter also includes connecting the adjustment positioning component between assembly and described ball valve in described gauge outfit, and described connecting rod is reserved with the scale value of distribution in certain rule in described gauge outfit on the outer wall connected between assembly and described ball valve；Wherein,
Described adjustment positioning component includes the first lock sleeve, the second lock sleeve and the second locking nut that are all socketed on described connecting rod outer wall；Wherein, described first lock sleeve can be engaged mutually with described second lock sleeve, and in the groove of the opening upwards being respectively positioned on described ball valve connecting tube and being formed, and by the second locking nut, described first lock sleeve, the second lock sleeve and connecting rod three are locked mutually or unclamp.
Wherein, the conduit being connected between described pressure sensor assembly with described gauge outfit assembly is metal hose.
Wherein, described pressure sensor assembly and described ball valve are provided with right-angle valve between connecting tube.
Wherein, described ultrasonic flowmeter also includes the GPRS wireless communication components that is connected with described gauge outfit assembly.
Implement the embodiment of the present invention, have the advantages that
1, with the plug-type ultrasonic flowmeter of photographic head under Flushing nozzle and liquid by ultrasonic sensor, ultrasound reflector, gauge outfit assembly (such as flow integrator), pressure sensor assemblies etc. are linked to be entirety, can realize dispatching from the factory and carry out before debugging and flow calibration, only need to adjust flow reflecting mechanism during in-site installation and insert the degree of depth and the orientation of pipeline, therefore, do not need re-start debugging and demarcate, this ultrasonic flowmeter is installed simple and reliable, and only need to change flow reflecting mechanism in maintenance process, so that later stage maintenance and maintenance are all very convenient；
2, in flow reflecting mechanism, the position of two ultrasonic sensors is relatively-stationary so that hyperacoustic propagation distance is constant, and this flow reflecting mechanism volume structure is little, therefore not by the impact of on-the-spot perforate error, requires low to in-site installation；
3, connecting rod is provided with adjustment positioning component, and connecting rod is reserved with the scale value of regularity distribution in described gauge outfit on the outer wall connected between assembly and described ball valve, is in that to be conveniently adjusted and control insertion depth and the direction of flow reflecting mechanism；Meanwhile, the positioning screw that bottom is arranged, can prevent from causing the phenomenons such as metering is inaccurate to occur because connecting rod is rocked；
4, pressure sensor assembly can reflect the pressure change in pipeline in time, water supply piping system fault can be judged according to pressure change, GPRS wireless communication components can be passed through simultaneously force value can be passed to backstage in time, it is simple to staff obtains pipeline fault information in time.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, the accompanying drawing used required in embodiment or description of the prior art will be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the premise not paying creative work, the accompanying drawing obtaining other according to these accompanying drawings still falls within scope of the invention.
Fig. 1 is the structure chart that in prior art, ultrasonic flowmeter coordinates with Pipe installing；
Fig. 2 is another structure chart that in prior art, ultrasonic flowmeter coordinates with Pipe installing；
A kind of sectional view coordinated with Pipe installing with the plug-type ultrasonic flowmeter of photographic head under Flushing nozzle and liquid that Fig. 3 provides for the embodiment of the present invention；
The Fig. 4 a kind of planar side view coordinated with Pipe installing with the plug-type ultrasonic flowmeter of photographic head under Flushing nozzle and liquid for providing for the embodiment of the present invention in Fig. 3；
Fig. 5 is the partial sectional view at A place in Fig. 3；
Fig. 6 is the partial sectional view at B place in Fig. 3；
Fig. 7 is the partial sectional view at C place in Fig. 3；
The structure chart of Fig. 8 Flushing nozzle of the present invention；
Fig. 9 is the A-A sectional view of Fig. 8.
In figure, 1-flow reflecting mechanism, 11-fixes seat, 12-ultrasonic sensor, 13-ultrasound reflector, 131-inclined-plane, 2-positioning screw, 3-ball valve, 31-connecting tube, 4-pressure sensor assembly, 5-gauge outfit assembly, 6-connecting rod, 7-gauge outfit connects assembly, 71-flange, 72-the first locking nut, 73-sealing ring, 8-adjusts positioning component, 81-the first lock sleeve, 82-the second lock sleeve, 83-the second locking nut, 9-right-angle valve, 10-GPRS wireless communication components, B2-pipeline.
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention clearly, below in conjunction with accompanying drawing, the present invention is described in further detail.
Direction that the present invention is previously mentioned and position term, for instance " on ", D score, "front", "rear", "left", "right", " interior ", " outward ", " top ", " bottom ", " side " etc., be only the direction with reference to accompanying drawing or position.Therefore, the direction of use and position term are to illustrate and understand the present invention, but not limiting the scope of the invention.
As shown in Fig. 3 to Fig. 9, for in the embodiment of the present invention, what provide is a kind of with the plug-type ultrasonic flowmeter of photographic head under Flushing nozzle and liquid, it matches with pipeline B2, connects assembly 7 including flow reflecting mechanism 1, positioning screw 2, ball valve 3, pressure sensor assembly 4, gauge outfit assembly 14, connecting rod 6 and gauge outfit；Wherein,
The lower end of connecting rod 6 is fixed by positioning screw 2 and flow reflecting mechanism 1, and the outer wall of middle part is socketed with ball valve 3, and upper end connects assembly 7 by gauge outfit and fixes with gauge outfit assembly 14；
Pressure sensor assembly 4 is arranged between ball valve 3 and gauge outfit assembly 14, and its one end is connected with gauge outfit assembly 14 by conduit, and the other end is connected with the connecting tube 31 on ball valve 3；
Flow reflecting mechanism 1 may be disposed in pipeline, including 11, two ultrasonic sensors 12 of fixing seat and two ultrasound reflector 13；Wherein, fixing seat 11 is hollow tubular, and its outer wall and connecting rod 6 lower end fix, and inwall upper end is fixed with two ultrasonic sensors 12, and inwall lower end is fixed with two ultrasound reflector 13；Two ultrasonic sensors 12 and two ultrasound reflector 13 are positioned at same right angle tetragon, and all offer the inclined-plane 131 for reflectance ultrasound ripple on the relative end face of two ultrasound reflector 13.
In embodiments of the present invention, as shown in Figure 5, when ultrasound wave is propagated in a liquid, using two ultrasonic sensors 12 as transmitting terminal and receiving terminal, transmitting terminal can be launched ultrasonic pulse and is mutually reflected receiving end received by two ultrasound reflector 13, receiving terminal also can launch ultrasonic pulse simultaneously, it is mutually reflected by two ultrasound reflector 13 and is launched termination receipts, now along pipeline internal medium downbeam, acoustic wave propagation velocity can increase, along pipeline internal medium countercurrent direction, then acoustic wave propagation velocity can reduce, same propagation distance is made just to have the different propagation times, utilize the difference in propagation time and the relation of tested flow velocity can ask for flow velocity, and then obtain outflow.
In embodiments of the present invention, positioning screw 2 is for the position of fixed connecting rod 6 with flow reflecting mechanism 1, it is prevented that cause metering inaccurate because connecting rod 6 is rocked.
Should be noted that, two ultrasonic sensors 12 and two ultrasound reflector 13 are positioned at same right angle tetragon, be conducive to the precision of time difference between improving hyperacoustic transmitting and receiving, thus ensureing the accuracy of volume computation, the end face that simultaneously two ultrasound reflector 13 are relative all offers inclined-plane 131, thus improving the error amount that ultrasound wave is launched in pipeline and received the time further.Owing to two ultrasonic sensors 12 and two ultrasound reflector 13 are each attached in flow reflecting mechanism 1, can carry out debugging and flow calibration between dispatching from the factory, so make in-site installation more convenient and reliable, as needed maintenance, then only need to dismantle flow reflecting mechanism 1 depot repair.Make later stage maintenance and maintenance all very convenient.
In one embodiment, two ultrasonic sensors 12 and two ultrasound reflector 13 are positioned at same square, and between two ultrasonic sensors 12 and fixing seat 11, be equipped with the sealing gasket for encapsulation process, and fix each through clamp nut between two ultrasonic sensors 12 and fixing seat 11.
Occurring damaging to prevent the water inlet of gauge outfit assembly 14 place, thus encapsulation process need to be carried out, therefore, as shown in Figure 6, gauge outfit connects assembly 7 between ball valve 3 and gauge outfit assembly 14, including flange the 71, first locking nut 72 and sealing ring 73；Wherein,
Flange 71 and the first locking nut 72 are all socketed on the outer wall of connecting rod 6, and flange 71 can be fixed by the shell of the first locking nut 72 with gauge outfit assembly 14；
Sealing ring 73 has at least two, and wherein, at least one sealing ring 73 is arranged between flange 71 and connecting rod 6, and at least one sealing ring 73 is arranged between the shell of flange 71 and gauge outfit assembly 14.
As it is shown in fig. 7, ultrasonic flowmeter also includes connecting the adjustment positioning component 8 between assembly 7 and ball valve 3 in gauge outfit, and connecting rod 6 is reserved with the scale value of distribution in certain rule in gauge outfit on the outer wall connected between assembly 7 and ball valve 3；Wherein, the first lock sleeve the 81, second lock sleeve 82 and the second locking nut 83 that positioning component 8 includes all being socketed on connecting rod 6 outer wall is adjusted；Wherein, the first lock sleeve 81 can be engaged with the second lock sleeve 82 phase, and in the groove of the opening upwards being respectively positioned on ball valve 3 connecting tube 31 and being formed, and by the second locking nut 83, first lock sleeve the 81, second lock sleeve 82 and connecting rod 6 three are locked mutually or unclamped.
This adjustment positioning component 8 can adjust its insertion depth after flow reflecting mechanism 1 inserts pipeline, make connecting rod 6 irremovable specifically by the second locking nut 83 locking, the degree of depth after current locking state down-off reflecting mechanism 1 inserts pipeline is obtained by observing the scale in connecting rod 6, and by unclamping the second locking nut 83, connecting rod 6 be may move, obtain the degree of depth after current releasing orientation down-off reflecting mechanism 1 inserts pipeline again by the scale observed in connecting rod 6.
Further, the conduit being connected between pressure sensor assembly 4 with gauge outfit assembly 14 is metal hose.
Further, pressure sensor assembly 4 and be provided with right-angle valve 9 on ball valve 3 between connecting tube 31, this right-angle valve 9 is easy to regulate the manifold pressure that pressure sensor assembly 4 collects.
Further, ultrasonic flowmeter also includes the GPRS wireless communication components 10 being connected with gauge outfit assembly 14, and force value can be passed to backstage by this GPRS wireless communication components 10 in time, it is simple to staff obtains pipeline fault information in time.
Further, the pipeline described in the present embodiment being provided with relative to the lower position of the fixing seat 11 of flow reflecting mechanism 1 the Flushing nozzle D communicated with inner cavity of pipe, this Flushing nozzle includes head body 5,
nullInclude head body 5，The first cylindric inner chamber 511 it is provided with in described head body、The axial inner ends being positioned at the first cylindric inner chamber the rotation output cavity 512 communicated with the first cylindric inner chamber、It is positioned at the axial outer end rotating output cavity the shower nozzle cavum laryngis 513 communicated with rotation output cavity、And it is positioned at the axial outer end of shower nozzle cavum laryngis the umbrella water curtain forming cavity 514 communicated with shower nozzle cavum laryngis，The outer face of the cylindric inner chamber 511 of described first is inlet 5111，The outer end of umbrella water curtain forming cavity 514 is shield outlet 5141，The cylindric inner chamber 511 of described first is fixedly installed spinning momentum kuppe 52，This spinning momentum kuppe 52 includes the circular cone plate 521 of frustum、And the laterally centered baffle plate placed in the middle 522 being sealingly fastened in circular cone plate 521 outer end，The inner of described circular cone plate 521 is circumferentially sealingly fastened on the inner inwall of the first cylindric inner chamber 511，First cylindric inner chamber 511 is separated into admission chamber 5112 and spin stabilization chamber 5113 by this circular cone plate 521 and baffle plate placed in the middle 522 jointly，The outer end in spin stabilization chamber 5113 is connected with rotating output cavity 512，The bottom in spin stabilization chamber is sealed by baffle plate 522 placed in the middle，The outer end of described circular cone plate 521 offers to connect a pair spinning momentum hole 5211 in admission chamber and spin stabilization chamber，This pair spinning momentum hole about 5211 is distributed on circular cone plate and is centrosymmetric cooperation for axle with the centrage of the first cylindric inner chamber，And the centrage in these two spinning momentum holes 5211 is parallel to each other and perpendicular with the centrage of the first cylindric inner chamber，This circular cone plate 521 relative to the center of circle O of the cross section of place, spinning momentum hole 5211 height and position not on the extended line of the centrage in spinning momentum hole 5211.
The present embodiment further, described inner-walls of duct is provided with under liquid photographic head 17 relative to the avris of flow reflecting mechanism 1, and under this liquid, the outer end of photographic head is connected to the video frequency output wire 171 for video signal output.Under liquid described in the present embodiment, photographic head 17 is preferably commercially available rotary underwater camera, can directly from market purchasing.
Implement the embodiment of the present invention, have the advantages that
1, with the plug-type ultrasonic flowmeter of photographic head under Flushing nozzle and liquid by ultrasonic sensor, ultrasound reflector, gauge outfit assembly (such as flow integrator), pressure sensor assemblies etc. are linked to be entirety, can realize dispatching from the factory and carry out before debugging and flow calibration, only need to adjust flow reflecting mechanism during in-site installation and insert the degree of depth and the orientation of pipeline, therefore, do not need re-start debugging and demarcate, this ultrasonic flowmeter is installed simple and reliable, and only need to change flow reflecting mechanism in maintenance process, so that later stage maintenance and maintenance are all very convenient；
2, in flow reflecting mechanism, the position of two ultrasonic sensors is relatively-stationary so that hyperacoustic propagation distance is constant, and this flow reflecting mechanism volume structure is little, therefore not by the impact of on-the-spot perforate error, requires low to in-site installation；
3, connecting rod is provided with adjustment positioning component, and connecting rod is reserved with the scale value of regularity distribution in described gauge outfit on the outer wall connected between assembly and described ball valve, is in that to be conveniently adjusted and control insertion depth and the direction of flow reflecting mechanism；Meanwhile, the positioning screw that bottom is arranged, can prevent from causing the phenomenons such as metering is inaccurate to occur because connecting rod is rocked；
4, pressure sensor assembly can reflect the pressure change in pipeline in time, water supply piping system fault can be judged according to pressure change, GPRS wireless communication components can be passed through simultaneously force value can be passed to backstage in time, it is simple to staff obtains pipeline fault information in time.
One of ordinary skill in the art will appreciate that all or part of step realizing in above-described embodiment method can be by the hardware that program carrys out instruction relevant and completes, described program can be stored in a computer read/write memory medium, described storage medium, such as ROM/RAM, disk, CD etc..
Above disclosed it is only present pre-ferred embodiments, certainly can not limit the interest field of the present invention, the equivalent variations therefore made according to the claims in the present invention with this, still belong to the scope that the present invention contains.
Claims (7)
1. one kind with the plug-type ultrasonic flowmeter of photographic head under Flushing nozzle and liquid, it matches with pipeline, it is characterized in that, connect assembly (7) including flow reflecting mechanism (1), positioning screw (2), ball valve (3), pressure sensor assembly (4), gauge outfit assembly (14), connecting rod (6) and gauge outfit；Wherein,
The lower end of described connecting rod (6) is fixed by described positioning screw (2) and described flow reflecting mechanism (1), being socketed with described ball valve (3) on the outer wall of middle part, upper end connects assembly (7) by described gauge outfit and fixes with described gauge outfit assembly (14)；
Described pressure sensor assembly (4) is arranged between described ball valve (3) and described gauge outfit assembly (14), its one end is connected with described gauge outfit assembly (14) by conduit, and the other end is connected with the connecting tube (31) on described ball valve (3)；
Described flow reflecting mechanism (1) may be disposed in described pipeline, including fixing seat (11), two ultrasonic sensors (12) and two ultrasound reflector (13)；Wherein, described fixing seat (11) is hollow tubular, its outer wall and described connecting rod (6) lower end fix, and inwall upper end is fixed with said two ultrasonic sensor (12), and inwall lower end is fixed with said two ultrasound reflector (13)；Said two ultrasonic sensor (12) and said two ultrasound reflector (13) are positioned at same right angle tetragon, and all offer the inclined-plane (131) for reflectance ultrasound ripple on the relative end face of said two ultrasound reflector (13)；
nullOn described pipeline, the lower position of fixing seat (11) relative to flow reflecting mechanism (1) is provided with the Flushing nozzle communicated with inner cavity of pipe，This Flushing nozzle includes head body，The first cylindric inner chamber it is provided with in described head body、The axial inner ends being positioned at the first cylindric inner chamber the rotation output cavity communicated with the first cylindric inner chamber、It is positioned at the axial outer end rotating output cavity the shower nozzle cavum laryngis communicated with rotation output cavity、And it is positioned at the axial outer end of shower nozzle cavum laryngis the umbrella water curtain forming cavity communicated with shower nozzle cavum laryngis，The outer face of the cylindric inner chamber of described first is inlet，The outer end of umbrella water curtain forming cavity is shield outlet，The cylindric inner chamber of described first is fixedly installed spinning momentum kuppe，This spinning momentum kuppe includes the circular cone plate of frustum、And the laterally centered baffle plate placed in the middle being sealingly fastened in circular cone plate outer end，The inner of described circular cone plate is circumferentially sealingly fastened on the inner inwall of the first cylindric inner chamber，First cylindric inner chamber is separated into admission chamber and spin stabilization chamber by this circular cone plate and baffle plate placed in the middle jointly，The outer end in spin stabilization chamber is connected with rotating output cavity，The bottom in spin stabilization chamber is by guard seal placed in the middle，The outer end of described circular cone plate offers to connect a pair spinning momentum hole in admission chamber and spin stabilization chamber，It is distributed on circular cone plate about this pair spinning momentum hole and is centrosymmetric cooperation for axle with the centrage of the first cylindric inner chamber，And the centrage in these two spinning momentum holes is parallel to each other and perpendicular with the centrage of the first cylindric inner chamber，This circular cone plate relative to the center of circle of the cross section of place, spinning momentum hole height and position not on the extended line of the centrage in spinning momentum hole；
Being provided with under liquid photographic head (17) relative to the avris of flow reflecting mechanism (1) on described inner-walls of duct, under this liquid, the outer end of photographic head is connected to the video frequency output wire (171) for video signal output.
2. as claimed in claim 1 with the plug-type ultrasonic flowmeter of photographic head under Flushing nozzle and liquid, it is characterized in that, it is equipped with sealing gasket between said two ultrasonic sensor (12) and described fixing seat (11), and fixes each through clamp nut between said two ultrasonic sensor (12) and described fixing seat (11).
3. as claimed in claim 2 with the plug-type ultrasonic flowmeter of photographic head under Flushing nozzle and liquid, it is characterized in that, described gauge outfit connects assembly (7) and is positioned between described ball valve (3) and described gauge outfit assembly (14), including flange (71), the first locking nut (72) and sealing ring (73)；Wherein,
Described flange (71) and described first locking nut (72) are all socketed on the outer wall of described connecting rod (6), and described flange (71) can be fixed by the shell of described first locking nut (72) Yu described gauge outfit assembly (14)；
Described sealing ring (73) has at least two, wherein, at least one sealing ring (73) is arranged between described flange (71) and described connecting rod (6), and at least one sealing ring (73) is arranged between the shell of described flange (71) and described gauge outfit assembly (14).
4. as claimed in claim 3 with the plug-type ultrasonic flowmeter of photographic head under Flushing nozzle and liquid, it is characterized in that, described ultrasonic flowmeter also includes being positioned at described gauge outfit and connects the adjustment positioning component (8) between assembly (7) and described ball valve (3), and described connecting rod (6) is reserved with in certain rule the scale value of distribution on the outer wall being positioned between described gauge outfit connection assembly (7) and described ball valve (3)；Wherein,
Described adjustment positioning component (8) includes the first lock sleeve (81), the second lock sleeve (82) and the second locking nut (83) that are all socketed on described connecting rod (6) outer wall；Wherein, described first lock sleeve (81) can be engaged mutually with described second lock sleeve (82), and be respectively positioned in the groove of the opening upwards that the upper connecting tube (31) of described ball valve (3) is formed, and by the second locking nut (83), described first lock sleeve (81), the second lock sleeve (82) and described connecting rod (6) three locked mutually or unclamp.
5. as claimed in claim 4 with the plug-type ultrasonic flowmeter of photographic head under Flushing nozzle and liquid, it is characterised in that the conduit being connected between described pressure sensor assembly (4) with described gauge outfit assembly (14) is metal hose.
6. as claimed in claim 5 with the plug-type ultrasonic flowmeter of photographic head under Flushing nozzle and liquid, it is characterized in that, between described pressure sensor assembly (4) and the upper connecting tube (31) of described ball valve (3), be provided with right-angle valve (9).
7. as claimed in claim 6 with the plug-type ultrasonic flowmeter of photographic head under Flushing nozzle and liquid, it is characterised in that described ultrasonic flowmeter also includes the G being connected with described gauge outfit assembly (14)] PRS wireless communication components (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610087418.XA CN105758476A (en) | 2016-02-02 | 2016-02-02 | Insertion type ultrasonic flowmeter with flushing spray-head and submerged camera |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610087418.XA CN105758476A (en) | 2016-02-02 | 2016-02-02 | Insertion type ultrasonic flowmeter with flushing spray-head and submerged camera |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105758476A true CN105758476A (en) | 2016-07-13 |
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| CN201610087418.XA Pending CN105758476A (en) | 2016-02-02 | 2016-02-02 | Insertion type ultrasonic flowmeter with flushing spray-head and submerged camera |
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Cited By (1)
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| CN110998246A (en) * | 2017-08-30 | 2020-04-10 | 施耐德电子系统美国股份有限公司 | Vortex flowmeter with injection cleaning port |
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