CN104764499A - Ultrasonic flowmeter - Google Patents
Ultrasonic flowmeter Download PDFInfo
- Publication number
- CN104764499A CN104764499A CN201510180331.2A CN201510180331A CN104764499A CN 104764499 A CN104764499 A CN 104764499A CN 201510180331 A CN201510180331 A CN 201510180331A CN 104764499 A CN104764499 A CN 104764499A
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- China
- Prior art keywords
- mount pad
- catoptron
- eyeglass
- locating surface
- shell fragment
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Abstract
The invention discloses an ultrasonic flowmeter. The ultrasonic flowmeter comprises a flow tube and a positioning screw. A measuring tube section, a reflector installation base and a reflection lens are arranged in the flow tube. The ultrasonic flowmeter is characterized in that the reflector installation base is formed by a left reflector installation base body and a right reflector installation base body, female buckles and left positioning rib plates are arrayed at the right end of the left reflector installation base body, male buckles and right positioning rib plates are arrayed at the left end of the right reflector installation base body, the measuring tube section is arranged in the female buckles, the male buckles, the left positioning rib plates and the right positioning rib plates which are buckled together, the left end of the measuring tube section abuts against the right positioning face of the left reflector installation base body, the right end of the measuring tube section abuts against the left positioning face of the right reflector installation base body, and the positioning screw is in threaded connection with the flow tube, then penetrates through top ends of semicircular positioning grooves and abuts against the measuring tube section. The ultrasonic flowmeter has the advantages of being novel in structure, convenient to install, accurate in positioning, precise in measuring, rapid to disassemble, convenient to maintain and the like.
Description
Technical field
The present invention relates to flow measurement technology field, specifically a kind of ultrasonic flow meter.
Background technology
At present, in the measurement of ultrasonic calorimeter and water flow, the two ends being mainly placed on tested pipeline by a pair or multipair ultrasonic transducer realize, ultrasonic flow meter is the principle utilizing ultrasound wave to propagate in a liquid, by record sound wave forward, reverse propagation speed differential and calculate the flow velocity of fluid, then calculate flow by being integrated in integral formula in PCB chip.As long as hyperacoustic circulation way has direct projection and reflection, reflective catoptron and the fixing of measuring tube are mainly fixed on tubular body by reflecting body mount pad, the version of reflecting body mount pad mainly contains 1. three joint distributings, namely 2 reflecting bodys and measuring tube are separated from each other, and there is reflecting body and locate not easily shortcoming accurately; 2. two lobes are clipping, namely reflecting body mount pad is divided into two lobes in the middle of axially, and reflecting body and measuring tube are clamped in centre by two lobe reflecting body mount pads, there are two lobe mount pads and easily staggers and produce the shortcoming in gap;
In addition, owing to measuring pipeline section, mainly two lobes are clipping, the half that namely can combine along a longitudinal defiber by two form, and catoptron is clamped in centre by the catoptron mount pad of two half in left and right, fixes catoptron by the shape of catoptron mounting groove and catoptron bearing extension.This location structure is complicated, is not easy to the cleaning of installation and late reflection mirror, maintenance.
In order to solve the technical matters that reflecting optics is convenient to clean, through retrieval, CN202501878U discloses the utility model patent of a ultrasonic calorimeter flow tube, CN201508256U discloses the utility model that a kind of utility model of Cleanable flow rate measuring pipe of ultrasonic calorimeter and CN201724699 disclose a kind of Cleanable flow rate measuring pipe of ultrasonic calorimeter through turbulent flow process, the deficiency of above-mentioned patent is: complex structure, production cost is high, need during cleaning all to take out, complex operation, because reflecting optics is combined on catoptron bar through gluing, therefore, cannot clean catoptron thoroughly and safeguard.
Summary of the invention
The object of the invention is to solve above-mentioned the deficiencies in the prior art, provide a kind of novel structure, easy for installation, accurate positioning, measurement accurately, dismantle ultrasonic flow meter quick, easy to maintenance.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of ultrasonic flow meter, comprise flow body and dog screw, measurement pipeline section is provided with in described flow body, catoptron mount pad and reflecting optics, described reflecting optics is arranged on catoptron mount pad, it is characterized in that described catoptron mount pad is made up of left reflection minor mount pad and right reflection mirror mount pad, described left reflection minor mount pad right-hand member is provided with right locating surface, described right locating surface periphery Circle-Array shows at least two master card buttons, described right reflection mirror mount pad left end is provided with left locating surface, described left locating surface periphery Circle-Array shows at least two sub-buckles, described left reflection minor mount pad is through the subcard buckle of master card button and right reflection mirror mount pad and fixing, described measurement pipeline section be located at mutually card and master card button, in subcard button, the right locating surface of left end and left reflection minor mount pad is inconsistent, the left locating surface of right-hand member and right reflection mirror mount pad is inconsistent, described left reflection minor mount pad is fixedly connected with measuring tube through dog screw respectively with right reflection mirror mount pad, reach accurate positioning, easy for installation, measure accurate effect.
The present invention can show at least one left location gusset at described right locating surface periphery Circle-Array, described left locating surface periphery Circle-Array shows at least one right location gusset, described left location gusset and right location gusset extend respectively vertically, and the left location gusset on described left reflection minor mount pad contacts with the gusset side, right location on described right reflection mirror mount pad, on the surface of contact of described left location gusset and right location gusset, correspondence is provided with half round locating grooves respectively, described flow body is after dog screw is threaded, through the half round locating grooves of left location gusset and right location gusset, top is inconsistent with measurement pipeline section outer wall, to make dog screw, left reflection minor mount pad and right reflection mirror mount pad are positioned at the fixed position of flow body, substantially increase left reflection minor sheet and the exact position of right reflection mirror sheet on measuring tube, reach accurate positioning further, easy for installation, measure accurate effect.
The present invention can be provided with catoptron shell fragment between the lens mounting face of catoptron mount pad and reflecting optics, described catoptron shell fragment is made up of stator and spring leaf, described spring leaf one end intersects with stator and is fixedly connected with, the other end and stator tilt along certain angle, described lens mounting face is provided with lens mounting face side described in eyeglass pickup groove and is provided with eyeglass insertion groove, described lens mounting face bottom is provided with locating surface under eyeglass, top is provided with locating surface on eyeglass, described reflecting optics inserts groove through eyeglass and is inserted in eyeglass pickup groove, the fixing contact of lower end locating surface under eyeglass, the fixing contact of upper end locating surface on eyeglass, and catoptron shell fragment one end fixing through the back side withstands on catoptron installed surface inwall, the other end is positioned laterally in eyeglass pickup groove through the tensile force of spring leaf, reach quick for installation, fixing reliable, easy-to-dismount effect.
The present invention can be provided with catoptron shell fragment detent at described eyeglass pickup groove opposite side, and described reflecting optics is fixed in catoptron shell fragment detent through stator, substantially increases the stability of reflecting optics.
Master card button of the present invention is that the trapezoidal chuck be oppositely arranged by two snap arm paralleled and two snap arm ends is formed, described subcard button is made up of the arrow-shaped card lance of kelly and kelly end, when master card button and subcard button block mutually and time, the card lance of subcard button be inserted in that master card buckles between two snap arm and two chuck, reach convenient to disassembly, radial location acts on accurately.
The present invention vertically can be provided with locating stop piece respectively at the stator two ends of described catoptron shell fragment, and described reflecting optics is fixed on the stator of catoptron shell fragment through locating stop piece, reaches convenient fixing further, installation, dismounting act on efficiently.
The present invention owing to adopting said structure, have novel structure, easy for installation, accurate positioning, measurement accurately, dismantle the advantages such as quick, easy to maintenance.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention (removing measuring tube and dog screw).
Fig. 2 is the decomposition texture schematic diagram of Fig. 1.
Fig. 3 is the cut-open view of Fig. 1.
Fig. 4 is complete section structural representation of the present invention.
Fig. 5 is the cut-open view of A-A in Fig. 3.
Fig. 6 is the decomposing schematic representation of catoptron in the present invention.
Reference numeral: left reflection minor mount pad 1, right reflection mirror mount pad 2, master card button 3, left location gusset 4, subcard button 5, right location gusset 6, half round locating grooves 7, measure pipeline section 8, reflecting optics 9, catoptron shell fragment 10, spring leaf 11, stator 12, eyeglass pickup groove 13, eyeglass insert groove 14, locating surface 16, lens mounting face 17, locating stop piece 18, flow body 19, dog screw 20 on locating surface 15, eyeglass under eyeglass.
Embodiment:
Below in conjunction with accompanying drawing, the present invention is further described:
As shown in drawings, a kind of ultrasonic flow meter, comprise flow body 19 and dog screw 20, be provided with in described flow body and measure pipeline section 8, catoptron mount pad and reflecting optics 9, described reflecting optics is arranged on catoptron mount pad, structure on described flow body is same as the prior art, this does not repeat, it is characterized in that described catoptron mount pad is made up of left reflection minor mount pad 1 and right reflection mirror mount pad 2, described left reflection minor mount pad 1 right-hand member is provided with right locating surface, described right locating surface periphery Circle-Array shows at least two master card buttons 3, described right reflection mirror mount pad 2 left end is provided with left locating surface, described left locating surface periphery Circle-Array shows at least two sub-buckles 5, described left reflection minor mount pad 1 blocks through the subcard button 5 of master card button 3 with right reflection mirror mount pad 2 and fixes, described measurement pipeline section 8 be located at mutually card and master card button 3, in subcard button 5, the right locating surface of left end and left reflection minor mount pad 1 is inconsistent, the left locating surface of right-hand member and right reflection mirror mount pad 2 is inconsistent, described left reflection minor mount pad is fixedly connected with measuring tube through dog screw respectively with right reflection mirror mount pad 2, reach accurate positioning, easy for installation, measure accurate effect.
The present invention can show at least one left location gusset 4 at described right locating surface periphery Circle-Array, described left locating surface periphery Circle-Array shows at least one right location gusset 6, described left location gusset 4 and right location gusset 6 extend respectively vertically, and the left location gusset 4 on described left reflection minor mount pad 1 contacts with gusset 6 side, right location on described right reflection mirror mount pad 2, on the surface of contact of described left location gusset 4 and right location gusset 6, correspondence is provided with half round locating grooves 7 respectively, described flow body is after dog screw is threaded, through the half round locating grooves of left location gusset 4 and right location gusset 6, top is inconsistent with measurement pipeline section 8 outer wall, to make dog screw, left reflection minor mount pad 1 and right reflection mirror mount pad 2 are positioned at the fixed position of flow body, substantially increase left reflection minor sheet and the exact position of right reflection mirror sheet on measuring tube, reach accurate positioning further, easy for installation, measure accurate effect.
The present invention can be respectively equipped with catoptron shell fragment 10 between the lens mounting face 17 of left reflection minor mount pad 1 and right reflection mirror mount pad 2 and reflecting optics, described catoptron shell fragment 10 is made up of stator 12 and spring leaf 11, described spring leaf 11 one end intersects with stator 12 and is fixedly connected with, the other end and stator 12 tilt along certain angle, described lens mounting face 17 is provided with eyeglass pickup groove 13, described lens mounting face 17 side is provided with eyeglass and inserts groove 14, described lens mounting face 17 bottom is provided with locating surface 15 under eyeglass, top is provided with locating surface 16 on eyeglass, described reflecting optics 9 inserts groove 14 through eyeglass and is inserted in eyeglass pickup groove 13, lower end is the fixing contact of locating surface 15 under eyeglass, upper end is the fixing contact of locating surface 16 on eyeglass, and catoptron shell fragment 10 one end fixing through the back side withstands on catoptron installed surface 17 inwall, the other end is positioned laterally in eyeglass pickup groove through the tensile force of spring leaf 11, reach quick for installation, fixing reliable, easy-to-dismount effect.
The present invention can be provided with catoptron shell fragment detent at described eyeglass pickup groove 13 opposite side, and described reflecting optics 9 is fixed in catoptron shell fragment 10 detent through stator 12, substantially increases the stability of reflecting optics 9.
Master card button 3 of the present invention is that the trapezoidal chuck be oppositely arranged by two snap arm paralleled and two snap arm ends is formed, described subcard button 5 is made up of the arrow-shaped card lance of kelly and kelly end, when master card button 3 and subcard button 5 phase card and time, the card lance of subcard button 5 is inserted in master card and buckles between two snap arm of 3 and two chuck, reach convenient to disassembly, radial location acts on accurately.
The present invention can vertically be provided with locating stop piece 18 respectively at stator 12 two ends of described catoptron shell fragment 10, described reflecting optics 9 is fixed on the stator 12 of catoptron shell fragment 10 through locating stop piece 18, reaches convenient fixing further, installation, dismounting act on efficiently.
The present invention when mounted, catoptron shell fragment 10 is clamped on reflecting optics 9, also be fixed on reflecting optics 9 by welding manner, reflecting optics 9 with catoptron shell fragment 10 is inserted in eyeglass pickup groove 13 along the eyeglass insertion groove 14 of left reflection minor mount pad 1 and/or right reflection mirror mount pad 2 respectively, make the fixing contact of locating surface 15 under eyeglass of the lower end of reflecting optics 9, upper end is the fixing contact of locating surface 16 on eyeglass, and catoptron shell fragment 10 one end fixing through the back side withstands on left reflection minor mount pad 1 and/or right reflection mirror mount pad 2 inwall respectively, the other end is positioned laterally in eyeglass pickup groove 13 through the tension force of the spring leaf of catoptron shell fragment lower end, reflecting optics 9 is made firmly to be arranged on left reflection minor mount pad 1 and right reflection mirror mount pad 2, solve the installation difficulty of fixed clamp catoptron, decrease assembly work, reduce production cost, greatly facilitate the maintenance in later stage, then, the master card button 3 of left reflection minor mount pad 1 and left location gusset 4 are enclosed within the left part measuring pipeline section 8, the subcard button 5 of right reflection mirror mount pad 2 and right location gusset 6 are enclosed within the right part measuring pipeline section 8 simultaneously, axially promote right reflection mirror mount pad 2, be inserted in master card button 3 by subcard button 5, measurement pipeline section 8 is fixed between left reflection minor mount pad 1 and right reflection mirror mount pad 2, again the left reflection minor mount pad 1 of the entirety after installation and right reflection mirror mount pad 2 are encased in flow body with measurement pipeline section 8, after being threaded with flow body by dog screw, through two half round locating grooves 7 of left location gusset 4 and right location gusset 6, pipeline section 8 will be measured, left reflection minor mount pad 1 and right reflection mirror mount pad 2 are positioned at the ad-hoc location of flow body, reach compact conformation, easy for installation, accurate positioning, measure accurate effect.
When needs clean, unclamp dog screw, extract out in measuring tube and be mounted to the overall left reflection minor mount pad 1 with measurement pipeline section and right reflection mirror mount pad 2, the dirt of first wiping lens surface, again reflecting optics 9 is promoted from inserting outside groove 14 to eyeglass in catoptron pickup groove 13, reflecting optics 9 is under thrust, catoptron shell fragment 10 is below extruded, make it fast and left reflection minor mount pad 1 and/or right reflection mirror mount pad 2 quick separating, then the periphery of reflecting optics 9 and left reflection minor mount pad 1 and/or right reflection mirror mount pad 2 are cleaned completely, reach installation, disassembly, cleaning conveniently act on.
The present invention owing to adopting said structure, have novel structure, easy for installation, accurate positioning, measurement accurately, dismantle the advantages such as quick, easy to maintenance.
Claims (6)
1. a ultrasonic flow meter, comprise flow body and dog screw, measurement pipeline section is provided with in described flow body, catoptron mount pad and reflecting optics, described reflecting optics is arranged on catoptron mount pad, it is characterized in that described catoptron mount pad is made up of left reflection minor mount pad and right reflection mirror mount pad, described left reflection minor mount pad right-hand member is provided with right locating surface, described right locating surface periphery Circle-Array shows at least two master card buttons, described right reflection mirror mount pad left end is provided with left locating surface, described left locating surface periphery Circle-Array shows at least two sub-buckles, described left reflection minor mount pad is through the subcard buckle of master card button and right reflection mirror mount pad and fixing, described measurement pipeline section be located at mutually card and master card button, in subcard button, the right locating surface of left end and left reflection minor mount pad is inconsistent, the left locating surface of right-hand member and right reflection mirror mount pad is inconsistent, described left reflection minor mount pad is fixedly connected with measuring tube through dog screw respectively with right reflection mirror mount pad.
2. a kind of ultrasonic flow meter according to claim 1, it is characterized in that described right locating surface periphery Circle-Array shows at least one left location gusset, described left locating surface periphery Circle-Array shows at least one right location gusset, described left location gusset and right location gusset extend respectively vertically, and the left location gusset on described left reflection minor mount pad contacts with the gusset side, right location on described right reflection mirror mount pad, on the surface of contact of described left location gusset and right location gusset, correspondence is provided with half round locating grooves respectively, described flow body is after dog screw is threaded, through the half round locating grooves of left location gusset and right location gusset, top is inconsistent with measurement pipeline section outer wall.
3. a kind of ultrasonic flow meter according to claim 1 and 2, it is characterized in that being provided with catoptron shell fragment between the lens mounting face of described catoptron mount pad and reflecting optics, described catoptron shell fragment is made up of stator and spring leaf, described spring leaf one end intersects with stator and is fixedly connected with, the other end and stator tilt along certain angle, described lens mounting face is provided with eyeglass pickup groove, described lens mounting face side is provided with eyeglass and inserts groove, described lens mounting face bottom is provided with locating surface under eyeglass, top is provided with locating surface on eyeglass, described reflecting optics inserts groove through eyeglass and is inserted in eyeglass pickup groove, the fixing contact of lower end locating surface under eyeglass, the fixing contact of upper end locating surface on eyeglass, and catoptron shell fragment one end fixing through the back side withstands on catoptron installed surface inwall, the other end is positioned laterally in eyeglass pickup groove through the tensile force of spring leaf.
4. a kind of ultrasonic flow meter according to claim 3, it is characterized in that described eyeglass pickup groove opposite side is provided with catoptron shell fragment detent, described reflecting optics is fixed in catoptron shell fragment detent through stator.
5. a kind of ultrasonic flow meter according to claim 1, it is characterized in that described master card button is that the trapezoidal chuck be oppositely arranged by two snap arm paralleled and two snap arm ends is formed, described subcard button is made up of the arrow-shaped card lance of kelly and kelly end, when master card button and subcard button block mutually and time, the card lance of subcard button be inserted in that master card buckles between two snap arm and two chuck.
6. a kind of ultrasonic flow meter according to claim 3, it is characterized in that the stator two ends of described catoptron shell fragment are vertically provided with locating stop piece respectively, described reflecting optics is fixed on the stator of catoptron shell fragment through locating stop piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510180331.2A CN104764499B (en) | 2015-04-16 | 2015-04-16 | Ultrasonic flowmeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510180331.2A CN104764499B (en) | 2015-04-16 | 2015-04-16 | Ultrasonic flowmeter |
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| Publication Number | Publication Date |
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| CN104764499A true CN104764499A (en) | 2015-07-08 |
| CN104764499B CN104764499B (en) | 2018-03-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510180331.2A Active CN104764499B (en) | 2015-04-16 | 2015-04-16 | Ultrasonic flowmeter |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105973327A (en) * | 2016-07-12 | 2016-09-28 | 汇中仪表股份有限公司 | Ultrasound flow sensor and assembling method thereof |
| CN105973326A (en) * | 2016-07-12 | 2016-09-28 | 汇中仪表股份有限公司 | Ultrasound flow sensor structure and assembling positioning method thereof |
| WO2017041990A1 (en) * | 2015-09-09 | 2017-03-16 | Danfoss A/S | Two part reflector holder for an ultrasonic flow sensor |
| CN117490782A (en) * | 2023-12-29 | 2024-02-02 | 福建哈德仪表有限公司 | Turbine flowmeter capable of preventing magnetic interference |
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| CN203010076U (en) * | 2012-10-20 | 2013-06-19 | 史在恒 | Rapid joint |
| CN103983316A (en) * | 2014-06-03 | 2014-08-13 | 威海市天罡仪表股份有限公司 | Bullet type flow stabilizer |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017041990A1 (en) * | 2015-09-09 | 2017-03-16 | Danfoss A/S | Two part reflector holder for an ultrasonic flow sensor |
| CN108027262A (en) * | 2015-09-09 | 2018-05-11 | 丹佛斯有限公司 | Two parts reflector retainer for ultrasonic flow transducer |
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| CN117490782A (en) * | 2023-12-29 | 2024-02-02 | 福建哈德仪表有限公司 | Turbine flowmeter capable of preventing magnetic interference |
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| CN104764499B (en) | 2018-03-30 |
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