CN104614026A - Base meter of ultrasonic heat meter or ultrasonic water meter - Google Patents

Base meter of ultrasonic heat meter or ultrasonic water meter Download PDF

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Publication number
CN104614026A
CN104614026A CN201510044553.1A CN201510044553A CN104614026A CN 104614026 A CN104614026 A CN 104614026A CN 201510044553 A CN201510044553 A CN 201510044553A CN 104614026 A CN104614026 A CN 104614026A
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China
Prior art keywords
meter
ultrasonic
table body
flow distribution
water
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CN201510044553.1A
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Chinese (zh)
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CN104614026B (en
Inventor
蒋友旺
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Zhejiang Youheng Valve Co Ltd
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Zhejiang Youheng Valve Co Ltd
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Priority to CN201510044553.1A priority Critical patent/CN104614026B/en
Publication of CN104614026A publication Critical patent/CN104614026A/en
Application granted granted Critical
Publication of CN104614026B publication Critical patent/CN104614026B/en
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Abstract

The invention discloses a base meter of an ultrasonic heat meter or an ultrasonic water meter. The base meter comprises a meter body. The meter body is of a straight pipe structure, and the two ends of the meter body are through. Two ultrasonic reflecting devices are arranged in the meter body and communicated with the outer end face of the meter body. Each ultrasonic reflecting device comprises supports, energy converters, conical flow distribution rods and oblate flow distribution blades. The energy converters are arranged in the conical flow distribution rods. The oblate flow distribution blades are evenly distributed on the corresponding conical flow distribution rods, and the oblate flow distribution blades and the corresponding conical flow distribution rods are of an integrated structure. Each conical flow distribution rod is fixedly arranged on the corresponding support and connected with the outer portion of the meter body through a through hole in the support. The base meter has the advantages that the structure is simple; the conical flow distribution rods can effectively reduce pressure loss in a pipe section, so disturbance of water flow is reduced; the oblate flow distribution blades can achieve the flow stabilization effect and improve the measuring accuracy.

Description

Ultrasonic calorimeter or essentic-water-meter
Technical field
The invention belongs to calorimeter or water meter accessory technical field, especially relate to a kind of ultrasonic calorimeter or essentic-water-meter.
Background technology
At present, the base table on ultrasonic calorimeter and ultrasonic water meter, its structure is that an X-type is done in base table side, then transducer and ultrasonic reflections device is fixed on it is inner; But the passage in base table easily destroys by the pipe segment structure of this X-shaped, causes certain disturbance to current, and this disturbance can cause ultrasonic reflections device unstable to the measurement of current.And the base table of existing ultrasonic calorimeter and ultrasonic water meter in it pipe be latus rectum, and the reflective distance of X-type is very short, is so just difficult to ensure calorimeter and the precision of water meter in rill situation; Its processing of base table being exactly this structure is in addition comparatively complicated; Although the existing base table also having some straight tubes, but the ultrasonic reflections apparatus structure in these base tables adopts rectangle structure mostly, passage major part in pipeline section can be blocked by this rectangular ultrasonic reflections device, thus cause crushing to increase, certain disturbance can be caused to current simultaneously, make side precision not high; Therefore be necessary to be improved.
Summary of the invention
The disturbance that the object of the invention is the deficiency existed for above-mentioned prior art, provide a kind of ultrasonic calorimeter or essentic-water-meter, it has structure and processing is simple, cause current is few and measure feature accurately.
To achieve these goals, the technical solution adopted in the present invention is: a kind of ultrasonic calorimeter or essentic-water-meter, comprise table body, described table body is the through straight tube structure in both ends, the inside of described table body is provided with two ultrasonic reflections devices, and described ultrasonic reflections device is communicated with the outer face of table body; Described ultrasonic reflections device comprises support, transducer, the circular arrangements of diverter rods of cone and oblate shunting leaf; Described transducer is arranged in the circular arrangements of diverter rods of cone; Described oblateness shunting leaf is evenly distributed in the circular arrangements of diverter rods of cone and it is for integral type structure; The circular arrangements of diverter rods of described cone to be fixedly installed on support and to be connected with table external body by the through hole on support.
The outer face of described table body offers integraph installation portion.
Described oblateness shunting leaf is three, and it is evenly distributed in the circular arrangements of diverter rods of cone.
Described support is provided with O-ring seal with the junction of table body.
Described table body is provided with PT1000 installation portion.
Adopt after said structure, the present invention compared to the prior art advantageously: structure of the present invention is simple, bores circular arrangements of diverter rods and can effectively reduce crushing in pipeline section, the disturbance of current is diminished; And oblate shunting leaf can realize steady flow result, improve the precision measured; The interior pipe of table body is variable-diameter structure, can accelerate flow like this when rill, improves the degree of accuracy measured.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is inner structure schematic diagram of the present invention.
Fig. 3 is ultrasonic reflections apparatus structure schematic diagram of the present invention.
Embodiment
The following stated is only preferred embodiment of the present invention, and therefore do not limit protection scope of the present invention, below in conjunction with drawings and Examples, the present invention is further described.
Embodiment, is shown in shown in Fig. 1 to Fig. 3: a kind of ultrasonic calorimeter or essentic-water-meter, comprises table body 10 and ultrasonic reflections device, and table body 10 be the through straight tube structure in both ends, makes to process comparatively simple like this; The interior pipe of table body 10 is the variable-diameter structure that aperture, two ends is greater than middle aperture, and this structure can accelerate water flow when rill, allows the precision measured be improved.Ultrasonic reflections device is two, and one of them carries out signal Launch Operation, and another carries out Signal reception operation, and the inner face distance between stream oriented device is between 50mm ~ 1000mm, and the use according to reality needs to determine corresponding distance.Ultrasonic reflections device lays respectively at the intersection of pipe varying diameter portion in table body 10, and is communicated with the outer face of table body 10, can be connected like this, to carry out various operation with the parts of some outsides.
Described ultrasonic reflections device comprises support 20, transducer, the circular arrangements of diverter rods 21 of cone and oblate shunting leaf 22; Support 20 is positioned at the intersection of table body 10 pipe varying diameter portion, and its inner face is close to the end face of intersection; The head bore of the circular arrangements of diverter rods 21 of described cone is less than tail end bore, such current by time can effectively reduce the crushing in pipeline section, the disturbance of current is diminished.Boring circular arrangements of diverter rods 21 is hollow structure inside, and transducer is positioned at the hollow bulb of boring circular arrangements of diverter rods 21, and the electric wire on it is communicated to the outer face of table body 10, to facilitate the conversion carrying out energy.The hollow bulb of boring in circular arrangements of diverter rods 21 is communicated with its side end face, is convenient to transducer like this and puts into; The opening part of boring circular arrangements of diverter rods 21 offers screw thread and step 1, screw thread is bolted with sealing nut 40, step 1 is glued with O-ring seal 30, and end face and the O-ring seal 30 of sealing nut 40 are fitted; Can prevent current from penetrating into inside and impacting transducer like this.Oblate shunting leaf 22 is evenly distributed in the circular arrangements of diverter rods 21 of cone and it is integral type structure, and oblate shunting leaf 22 is 2 ~ 4, and general to select 3 be good; Due to its special oblate structure, it can realize preferably steady flow result to oblate shunting leaf 22, improves the precision measured.The other end and the support 20 of described oblateness shunting leaf 22 are conjoined structure, and the circular arrangements of diverter rods 21 of cone can be allowed like this to be connected on support 20.The breach 201 support 20 offering through hole and be communicated with through hole, described through hole runs through the oblateness being positioned at its underpart to be shunted leaf 22 and is communicated with the inside of the circular arrangements of diverter rods 21 of cone, namely the electric wire of such transducer is connected to outside by through hole and breach 201, makes use convenient.
Described through hole and the screw on table body 10 are connected by screw locates, and described screw is provided with two O-ring seals 30, and one of them O-ring seal 30 is positioned on the step 2 202 of support 20 through hole, and another is positioned at the screw of table body 10; O-ring seal 30 not only can reach good sealing effectiveness, prevent current from overflowing into from being spirally connected and impacting transducer, and the O-ring seal 30 in support 20 can also play good positioning action, prevents support 20 at work from producing shaking phenomenon.There is the through hole run through, as long as the electric wire on transducer passes the through hole in screw again and can be connected with the parts in the external world, to use after being connected to breach 201 place in described screw.
The outer face of described table body 10 offers integraph installation portion 11 and PT1000 installation portion 12, and integraph installation portion 11 can make different shapes as required, in the ordinary course of things position groove-like; And PT1000 installation portion 12 is positioned on the ultrasonic reflections device limit of signal receiving end, with easy to use.

Claims (6)

1. a ultrasonic calorimeter or essentic-water-meter, comprise table body (10), described table body (10) is the through straight tube structure in both ends, the inside of described table body (10) is provided with two ultrasonic reflections devices, and described ultrasonic reflections device is communicated with the outer face of table body (10); It is characterized in that: described ultrasonic reflections device comprises support (20), transducer, the circular arrangements of diverter rods (21) of cone and oblate shunting leaf (22); Described transducer is arranged in the circular arrangements of diverter rods of cone (21); Described oblateness shunting leaf (22) is evenly distributed on that the circular arrangements of diverter rods of cone (21) is upper and it is integral type structure; The circular arrangements of diverter rods of described cone (21) is fixedly installed on support (20) and the through hole passed through on support (20) and table body (10) outside and is connected.
2. ultrasonic calorimeter according to claim 1 or essentic-water-meter, is characterized in that: the interior pipe of described table body (10) is variable-diameter structure, and ultrasonic reflections device is positioned at the intersection of varying diameter portion.
3. ultrasonic calorimeter according to claim 1 and 2 or essentic-water-meter, is characterized in that: the outer face of described table body (10) offers integraph installation portion (11).
4. ultrasonic calorimeter according to claim 3 or essentic-water-meter, is characterized in that: described oblateness shunting leaf (22) is three, and it is evenly distributed on the circular arrangements of diverter rods of cone (21).
5. ultrasonic calorimeter according to claim 4 or essentic-water-meter, is characterized in that: described support (20) is provided with O-ring seal (30) with the junction of table body (10).
6. ultrasonic calorimeter according to claim 5 or essentic-water-meter, is characterized in that: described table body (10) is provided with PT1000 installation portion (12).
CN201510044553.1A 2015-01-28 2015-01-28 Ultrasonic calorimeter or essentic-water-meter Active CN104614026B (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105444924A (en) * 2015-12-24 2016-03-30 清华大学 Ultrasonic heat meter

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201795821U (en) * 2010-08-20 2011-04-13 周岳建 Ultrasonic flowmeter
CN202083423U (en) * 2011-05-13 2011-12-21 程波 Ultrasonic heat energy meter with flat elliptical channel
CN202547830U (en) * 2012-04-17 2012-11-21 合肥瑞纳表计有限公司 Ultrasonic reflecting mirror and ultrasonic calorimeter provided with same
CN202974354U (en) * 2012-09-29 2013-06-05 泉州七洋机电有限公司 Novel measurement tube for ultrasonic heat meter
EP2725327A1 (en) * 2012-10-29 2014-04-30 Kamstrup A/S Ultrasonic flow meter with reflector surface with reduced symmetry
CN204535791U (en) * 2015-01-28 2015-08-05 浙江友恒阀门有限公司 Ultrasonic calorimeter or essentic-water-meter

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201795821U (en) * 2010-08-20 2011-04-13 周岳建 Ultrasonic flowmeter
CN202083423U (en) * 2011-05-13 2011-12-21 程波 Ultrasonic heat energy meter with flat elliptical channel
CN202547830U (en) * 2012-04-17 2012-11-21 合肥瑞纳表计有限公司 Ultrasonic reflecting mirror and ultrasonic calorimeter provided with same
CN202974354U (en) * 2012-09-29 2013-06-05 泉州七洋机电有限公司 Novel measurement tube for ultrasonic heat meter
EP2725327A1 (en) * 2012-10-29 2014-04-30 Kamstrup A/S Ultrasonic flow meter with reflector surface with reduced symmetry
CN204535791U (en) * 2015-01-28 2015-08-05 浙江友恒阀门有限公司 Ultrasonic calorimeter or essentic-water-meter

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105444924A (en) * 2015-12-24 2016-03-30 清华大学 Ultrasonic heat meter

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