CN202267500U - Measuring tube of ultrasonic heat meter - Google Patents

Measuring tube of ultrasonic heat meter Download PDF

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Publication number
CN202267500U
CN202267500U CN2011203870037U CN201120387003U CN202267500U CN 202267500 U CN202267500 U CN 202267500U CN 2011203870037 U CN2011203870037 U CN 2011203870037U CN 201120387003 U CN201120387003 U CN 201120387003U CN 202267500 U CN202267500 U CN 202267500U
Authority
CN
China
Prior art keywords
wall
reflector plate
sensor mounting
measuring tube
ultrasonic
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN2011203870037U
Other languages
Chinese (zh)
Inventor
沈安邦
汤天顺
李宁
周虹
马鹏飞
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
MEIZHOU ZHENSHENG MODERN AGRICULTURAL EQUIPMENT CO., LTD.
Original Assignee
NINGBO JINGCHENG METER CO Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by NINGBO JINGCHENG METER CO Ltd filed Critical NINGBO JINGCHENG METER CO Ltd
Priority to CN2011203870037U priority Critical patent/CN202267500U/en
Application granted granted Critical
Publication of CN202267500U publication Critical patent/CN202267500U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses a measuring tube of an ultrasonic heat meter, which comprises a guide tube, two ultrasonic sensor installation holes are arranged on the tube wall of the guide tube, the number of reflection pieces arranged on the inner wall of the guide tube is odd and is at least three, the head reflection piece and the tail reflection piece face the two sensor installation holes, and the other reflection pieces are staggered on the inner wall of the guide pipe on one side of the two sensor installation holes and the inner wall of the guide tube opposite to the sensor installation holes. The measuring tube of the ultrasonic heat meter is capable of reducing the height of the reflection pieces, reducing effect of reflection pieces on the flow inside the guide tube, improving measurement accuracy and preventing impurity deposition.

Description

The ultrasonic calorimeter measuring tube
Technical field
The utility model relates to the ultrasonic calorimeter measuring tube, relates in particular to a kind of ultrasonic calorimeter measuring tube that the polylith reflector plate is set on the measuring tube inwall.
Background technology
Ultrasonic calorimeter or ultrasonic flow meter are to be principle with " velocity contrast method "; Measure the instrument of pipe inner fluid flow; Mainly be made up of measuring tube, counter, ultrasonic sensor, transducer etc., be provided with the reflector plate of reflection supersonic wave in the measuring tube, Chinese patent CN201020240071.6 discloses a kind of type ultrasonic calorimeter flow tube of handling through turbulent flow capable of washing; Mainly constitute by straight tube body, current import and export, transducer mounting pipe, temperature sensor mounting pipe, reflector plate and reflector plate mounting pipe; As shown in Figure 1, the tube wall of straight tube body 1 is provided with two ultrasonic transducer mounting pipe 2, on the straight tube body inwall of the offside of transducer mounting pipe 2, reflector plate 3 is set; The transducer ultrasonic waves transmitted signal of installing in the transducer mounting pipe 2 is behind 3 liang of secondary reflections of reflector plate; Received by another transducer,, go out flow velocity, the flow of straight tube body inner fluid by COMPUTER CALCULATION according to the difference of velocity of propagation in the different in flow rate medium of signal.
The weak point of above-mentioned existing measuring tube is: the angle of reflector plate and straight tube body axis is 45 °, and promptly the pitch angle of reflector plate is 45 °, and reflector plate exceeds the center of body; Stop the circulation of body inner fluid, form whirlpool, influence flow velocity and measuring accuracy; Reflector plate is arranged with reflector plate support 4; Reflector plate support 4 stops fluid flow inside, and deposits impurity easily in the outside of support, therefore is necessary to improve.
Summary of the invention
The purpose of the utility model provides a kind of ultrasonic calorimeter measuring tube, it can reduce reflector plate height, reduce reflector plate to the influence of flow in the conduit, improve measuring accuracy, prevent the impurity deposition.
To achieve these goals; The technical scheme that the utility model adopted is: the ultrasonic calorimeter measuring tube comprises conduit; Have two ultrasonic sensor mounting holes on the tube wall of conduit; The piece number that reflector plate is set on the pipe inner wall is odd number and is at least three, and wherein two reflector plates of head and the tail are over against two sensor mounting holes, and all the other reflector plates are arranged on the pipe inner wall of two the sensor mounting hole one sides pipe inner wall relative with the sensor mounting hole alternately.
The piece number of said reflector plate is preferably three.
The axis of two sensor mounting holes and the axis of conduit are preferably in the plane.
Reflector plate is embedded in the pipe inner wall, pipe inner wall and inlay and adopt streamlined chamfered transition between the position of reflector plate.
After adopting said structure, the beneficial effect of the utility model is: because at least three reflector plates are set, be arranged on two sensor mounting holes over against two reflector plates; During reflection ultrasonic signal, the angle of incident ray and reflected ray is less than 90 °, so the angle between the axis of reflector plate and conduit just the angle of reflector plate and catheter wall less than 45 °; The angle of inclination that is reflector plate is less; The height of reflector plate reduces, and has reduced the influence of reflector plate to flow velocity, flow, improves measuring accuracy; Reflector plate is embedded in the pipe inner wall, can save the space in the conduit, further reduces the influence of reflector plate to flow velocity; Adopt streamlined chamfered transition, resistance suffered when making fluid flow through here is little, can not form whirlpool herein; It is unobstructed to flow, and impurity is difficult in this deposition.
Description of drawings
Fig. 1 is the structural representation of existing measuring tube.
Fig. 2 is the structural representation that three reflector plates are set in the utility model examples measure pipe.
Fig. 3 is the structural representation that five reflector plates are set in another examples measure pipe of the utility model.
Embodiment
Below in conjunction with accompanying drawing the utility model is further specified.
Embodiment 1; Ultrasonic calorimeter measuring tube as shown in Figure 2; Comprise conduit 10, the internal circulation fluid has two ultrasonic sensor mounting holes 20 on the tube wall of conduit 10; Ultrasonic flow transducer and ultrasonic transducer etc. are installed in the sensor mounting hole 20; Three reflector plates 30,31 are set on conduit 10 inwalls, and wherein two reflector plates 30 are arranged on the relative pipe inner wall of two sensor mounting holes 20, and face sensor mounting hole 20; Another piece reflector plate 31 is arranged in the middle of two sensor mounting holes 20 and is positioned on the pipe inner wall, and just these three reflector plates are staggered is distributed between two sensor mounting holes 20 on the pipe inner wall relative with sensor mounting hole 20.Ultrasonic signal is from 20 emissions of sensor mounting hole; After 30,31 triple reflections of three reflector plates, signal is received by ultrasonic transducers of installing in another sensor mounting hole 20, so the angle between the axis of reflector plate 30 and conduit 10 just the angle of reflector plate 30 and catheter wall less than 45 °; The angle of inclination that is reflector plate is little; Reduce the height of reflector plate 30, reduce the influence of 30 pairs of flow velocitys of reflector plate, improve measuring accuracy.
The axis of the axis of two sensor mounting holes 20 and conduit 10 is in a plane, and promptly the axis of two sensor mounting holes 20 and conduit 10 is on a section.
Reflector plate 30,31 is embedded in the pipe inner wall, has saved the space in the conduit 10, and pipe inner wall and inlay between the position of reflector plate and adopt streamlined inclined-plane 40 transition is avoided forming vortes interference flow velocity and measuring accuracy at this, and it is unobstructed to flow, and prevents the impurity deposition.
Embodiment 2, and is as shown in Figure 3, and the distance between two sensor mounting holes 20 is constant; Five reflector plates are set in the conduit 10, and two reflector plates 30 are arranged on the relative pipe inner wall of two sensor mounting holes 20, and over against sensor mounting hole 20; On its excess-three piece reflector plate 32,33,34 is staggered the pipe inner wall that to be distributed between two sensor mounting holes 20 relative with sensor mounting hole 20; Further feature is identical with embodiment 1, and like this, ultrasonic signal is received behind five secondary reflections; The incident ray of each reflection and the angle of reflected ray are littler; Make that reflector plate 30 and pipe inner wall angle are also littler, the reflector plate height is lower, and is littler to the influence of flow rate.
Obviously; Polylith emission sheet can be set between two sensor mounting holes 20, and reflector plate is staggered is distributed between two sensor mounting holes 20 on the pipe inner wall relative with sensor mounting hole 20, and wherein two reflector plates 30 are over against two sensor mounting holes 20; Owing to the distance between two sensor mounting holes 20 is constant; Ultrasound wave is by repeatedly reflection, and the angle between incident ray and the reflected ray is littler, and just the pitch angle of reflector plate 30 is littler; It highly further reduces, and is also littler to the influence of flow rate.

Claims (4)

1. ultrasonic calorimeter measuring tube; Comprise conduit; Have two ultrasonic sensor mounting holes on the tube wall of conduit, reflector plate is set on the pipe inner wall, it is characterized in that: the piece number of said reflector plate is odd number and is at least three; Wherein two reflector plates of head and the tail are over against two sensor mounting holes, and all the other reflector plates are arranged on the pipe inner wall of two the sensor mounting hole one sides pipe inner wall relative with the sensor mounting hole alternately.
2. ultrasonic calorimeter measuring tube according to claim 1 is characterized in that: said reflector plate is three.
3. ultrasonic calorimeter measuring tube according to claim 1 and 2 is characterized in that: the axis of said two sensor mounting holes and the axis of conduit are in a plane.
4. ultrasonic calorimeter measuring tube according to claim 1 and 2 is characterized in that: said reflector plate is embedded in the pipe inner wall, pipe inner wall and inlay and adopt streamlined chamfered transition between the position of reflector plate.
CN2011203870037U 2011-10-12 2011-10-12 Measuring tube of ultrasonic heat meter Expired - Fee Related CN202267500U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011203870037U CN202267500U (en) 2011-10-12 2011-10-12 Measuring tube of ultrasonic heat meter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011203870037U CN202267500U (en) 2011-10-12 2011-10-12 Measuring tube of ultrasonic heat meter

Publications (1)

Publication Number Publication Date
CN202267500U true CN202267500U (en) 2012-06-06

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN2011203870037U Expired - Fee Related CN202267500U (en) 2011-10-12 2011-10-12 Measuring tube of ultrasonic heat meter

Country Status (1)

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CN (1) CN202267500U (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103913198A (en) * 2013-01-04 2014-07-09 段桂利 Short column type flow sensor with embedded reflector
CN108871476A (en) * 2017-05-12 2018-11-23 克洛纳有限公司 Ultrasonic flowmeter
CN109489867A (en) * 2019-01-11 2019-03-19 久茂自动化(大连)有限公司 A kind of household heating calorimeter scale
WO2020150945A1 (en) * 2019-01-21 2020-07-30 青岛积成电子股份有限公司 Ultrasonic water metering module structure and ultrasonic water meter

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103913198A (en) * 2013-01-04 2014-07-09 段桂利 Short column type flow sensor with embedded reflector
CN108871476A (en) * 2017-05-12 2018-11-23 克洛纳有限公司 Ultrasonic flowmeter
CN108871476B (en) * 2017-05-12 2021-10-29 克洛纳有限公司 Ultrasonic flowmeter
CN109489867A (en) * 2019-01-11 2019-03-19 久茂自动化(大连)有限公司 A kind of household heating calorimeter scale
WO2020150945A1 (en) * 2019-01-21 2020-07-30 青岛积成电子股份有限公司 Ultrasonic water metering module structure and ultrasonic water meter

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
C56 Change in the name or address of the patentee

Owner name: NINGBO JINGCHENG TECHNOLOGY CO., LTD.

Free format text: FORMER NAME: NINGBO JINGCHENG METER CO., LTD.

CP01 Change in the name or title of a patent holder

Address after: 315032 No. 188, Lane 65, Beihai Road, Jiangbei investment pioneering zone, Zhejiang, Ningbo

Patentee after: NINGBO JINGCHENG TECHNOLOGY CO., LTD.

Address before: 315032 No. 188, Lane 65, Beihai Road, Jiangbei investment pioneering zone, Zhejiang, Ningbo

Patentee before: Ningbo Jingcheng Meter Co., Ltd.

C56 Change in the name or address of the patentee
CP03 Change of name, title or address

Address after: Jiangbei District in Zhejiang province 315032 Ningbo city forest Mulu No. 168

Patentee after: MEIZHOU ZHENSHENG MODERN AGRICULTURAL EQUIPMENT CO., LTD.

Address before: 315032 No. 188, Lane 65, Beihai Road, Jiangbei investment pioneering zone, Zhejiang, Ningbo

Patentee before: NINGBO JINGCHENG TECHNOLOGY CO., LTD.

CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20120606

Termination date: 20191012

CF01 Termination of patent right due to non-payment of annual fee