CN203848890U - Card type ultrasonic fluid flow measuring device - Google Patents
Card type ultrasonic fluid flow measuring device Download PDFInfo
- Publication number
- CN203848890U CN203848890U CN201420273092.6U CN201420273092U CN203848890U CN 203848890 U CN203848890 U CN 203848890U CN 201420273092 U CN201420273092 U CN 201420273092U CN 203848890 U CN203848890 U CN 203848890U
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- Prior art keywords
- ultrasonic
- drive link
- runner
- fluid flow
- fluid
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- Expired - Lifetime
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- 239000012530 fluid Substances 0.000 title claims abstract description 49
- 238000005259 measurement Methods 0.000 claims description 28
- 230000003750 conditioning effect Effects 0.000 claims description 16
- 230000011514 reflex Effects 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 abstract description 6
- 230000010365 information processing Effects 0.000 abstract 2
- 238000009434 installation Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000002604 ultrasonography Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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Abstract
Provided is a card type ultrasonic fluid flow measuring device. A flow channel passing-through part is a plane plate body with a fluid passing-through hole formed in the center. A transmission rod is inserted at the upper end of the flow channel passing-through part through a mounting hole, and the lower end of the transmission rod extends into the flow channel passing-through part and is fixedly connected with a measuring arm. The measuring arm is fixedly provided with an ultrasonic transducer, and a signal reflection piece is arranged on the inner wall of the flow channel passing-through part. The lower end of the transmission rod is provided with a positioning groove, and a positioning block is arranged on the mounting hole of the flow channel passing-through part. When the measuring arm is made to rotate to the position parallel to the flowing direction of fluid along with the transmission rod, and the positioning groove and the positioning block are placed in the same horizontal position, the positioning groove and the positioning block are opposite in direction and are clamped with each other. The upper portion of the transmission rod is connected with an ultrasonic flow information processing device, and the signal output end of the ultrasonic transducer is connected into the information input end of the ultrasonic flow information processing device. Compared with the prior art, the card type ultrasonic fluid flow measuring device has the advantages of being small in size, easy to mount, convenient and practicable to use, and suitable for measuring of fluid tubes of different calibers.
Description
Technical field
The utility model relates to a kind of fluid ultrasonic measuring device, especially a kind of card form ultrasonic fluid flow measurement device applicable to water meter, flowmeter.
Background technology
Mobile gas, the liquid of ultrasonic measurement is the new technology of Developing in fields of measurement.Measuring principle, to reach and measure the object object that flows, must measure at object flow direction hyperacoustic variable quantity of streamwise.So require ultrasound quantity sensor will have certain distance at object flow direction on mounting design, measuring accuracy requires higher, and measuring distance mounting distance is larger.So in order to guarantee ultrasonic measurement index, general ultrasonic measuring device all design and installation is realized measurement function on one section of pipeline section.
In the various ultrasonic device for measuring of applying at present on market, the length of its measurement mechanism (referring to mounting flange spacing dimension) is all generally 4 ~ 1.5 times of caliber, and volume ratio is larger.The measurement length that is the ultrasonic transducer measurement direction of flow direction of existing all fluid ultrasonic measuring devices is all less than the length that detects body.
Summary of the invention
The purpose of this utility model be to provide a kind of simple in structure, volume is little, precision is high and be applicable to that different tube diameters is installed and the card form ultrasonic fluid flow measurement device of operation.
The utility model solves the technical scheme that prior art problem adopts: a kind of card form ultrasonic fluid flow measurement device, comprises that runner passes through portion and ultrasonic flow signal conditioning package; Described runner is by being provided with fluid centered by portion by the plane plate in hole, and described fluid is by the consistent concentric circles of Kong Weiyu fluid caliber to be measured; Runner is plugged with drive link by the upper end of portion by mounting hole, and described runner is stretched into by being fixedly connected with in portion and with gage beam in the lower end of drive link, on described gage beam, is fixed with ultrasonic transducer, and described runner is provided with signal reflex sheet by the inwall of portion; The lower end of described drive link is provided with locating slot, runner is provided with locating piece by the mounting hole place of portion, when the described gage beam that makes that and if only if turns to and locating slot parallel with fluid flow direction and locating piece and is positioned at same level position with described drive link, and the mutually clamping relative with described locating piece direction of described locating slot; The top of described drive link is connected with ultrasonic flow signal conditioning package, and the signal output part of described ultrasonic transducer is connected into the information input terminal of ultrasonic flow signal conditioning package by wire.
Take described drive link and be provided with two ultrasonic transducers as rotational symmetry in the lower end of described gage beam, described signal reflex sheet is located at described runner by the bottom of portion's inwall.
Described drive link is hollow lever, and by wire, the inside by described drive link is connected with the signal input part of ultrasonic flow signal conditioning package the signal output part of described ultrasonic transducer.
Described runner is provided with reference column by the upper end of portion, described reference column is hollow cylinder and is connected with the mounting hole of described runner by portion upper end, the upper end of described reference column is equipped with setscrew nut, described drive link stretches into described runner by the inside of portion by setscrew nut, reference column and mounting hole successively, the outside surface of described drive link is provided with threaded portion, and described threaded portion is positioned at when described locating slot is with locating piece on the corresponding drive link the in during state in mutual clamping and described setscrew nut position.
The upper port of described reference column is provided with leakproof seal circle around.
Described reference column is provided with pilot hole.
Described ultrasonic flow signal conditioning package comprises ultrasonic water meter, flowmeter.
Described runner is flange-like disc by portion, and the thickness of described flange-like disc is less than the diameter of fluid caliber to be measured.
The beneficial effects of the utility model are: the utility model is simple in structure, compared to existing pipeline section type ultrasonic measurement equipment, the utility model is by structural improvement, the measurement length that makes ultrasonic transducer measure direction of flow direction is greater than the length of detected body, thereby the ultrasonic transducer of having broken existing fluid ultrasonic measuring device is measured the measurement length of direction of flow direction and is all less than body length present situation, make the volume of device become former pipeline section type volume nearly 1/8 ~ 1/16, save material, cost, install simple, easy to use and reliable, practical usefulness is high, and can reach certain measuring accuracy requirement.This device can the measurement fluid body for different bores in.In the fluid measurement products such as the utility model is particularly useful for water meter, flowmeter.
Accompanying drawing explanation
Fig. 1 is the structural representation that the utility model loads in front inoperative is installed.
Fig. 2 is the side view of Fig. 1.
Fig. 3 is the partial enlarged drawing of the I portion of Fig. 2.
Fig. 4 is the structural representation of the utility model under in running order.
Fig. 5 is the side view of Fig. 4.
Fig. 6 is the partial enlarged drawing of the II portion of Fig. 5.
In figure: 1-runner passes through portion, 2-driving member, 3-setscrew nut, 4-gage beam, 5-leakproof seal circle, 6-ultrasonic flow signal conditioning package, 7-signal reflex sheet, 8-ultrasonic transducer, 9-fluid passes through hole, 10-locating slot, 11-locating piece, 12-reference column, 13-threaded portion, 14-pilot hole.
Embodiment
Below in conjunction with the drawings and the specific embodiments, the utility model is described:
Fig. 1 and Fig. 2 are structural representation and the side views that the utility model loads in front inoperative is installed.As shown in Figure 1-2, a kind of card form ultrasonic fluid flow measurement device, comprises that runner passes through portion 1 and ultrasonic flow signal conditioning package (as accepted ultrasonic water meter, the flowmeter of ultrasonic signal); Runner is by being provided with fluid by the plane plate in hole 9 centered by portion 1, as shown in Figure 1, runner is flange-like disc by portion 1, and wherein, fluid is the concentric circles consistent with fluid caliber to be measured by hole 9; The mounting hole that the lower end of drive link 2 is offered by portion 1 upper end by runner stretches into runner by portion 1 and be fixedly connected with gage beam 4, take drive link 2 and be provided with two ultrasonic transducers 8 as rotational symmetry in the lower end of gage beam 4, for coordinating, make ultrasound wave by V word path transmission, signal reflex sheet 7 is preferably located at runner by the bottom of portion's 1 inwall; The lower end of drive link 2 is provided with locating slot 10, runner is provided with locating piece 11 by the mounting hole place of portion 1, when the gage beam 4 that makes that and if only if turns to and locating slot 10 parallel with fluid flow direction and is positioned at same level position with locating piece 11 with drive link 2, locating slot 10 relative with locating piece 11 directions (shown in Fig. 3-4); The top of drive link 2 is connected with ultrasonic flow signal conditioning package 6.Drive link 2 is hollow lever, and by wire, the inside by drive link 2 is connected with the signal input part of ultrasonic flow signal conditioning package 6 signal output part of ultrasonic transducer 8.
When the utility model is during in installment state, because the center of runner by portion 1 is provided with circular fluid by hole 9, in order to prevent because the position of gage beam 4 not being limited to the damage that causes gage beam 4, therefore at runner, the upper end by portion 1 arranges reference column 12, reference column 12 is for hollow cylinder and be connected with the mounting hole of runner by portion 1 upper end, and drive link 2 stretches into runner by the inside of portion 1 by reference column 12 and mounting hole.Upper port at reference column 12 is provided with leakproof seal circle 5(as shown in Figure 3 around), the effect of this leakproof seal circle is, when the utility model is during in installment state, utilize rubbing action between leakproof seal circle 5 and the body of rod of drive link 2 to limit for the position of drive link 2, effectively prevented the damage of gage beam 4, when when the utility model is in running order, because fluid is communicated with reference column 12 by portion 1, leakproof seal circle 5 can effectively prevent that fluid from overflowing (as shown in Figure 6).
When the utility model is in running order, the position for firm fixed conveyor bar 2, is equipped with setscrew nut 3 in the upper end of reference column 12, and drive link 2 stretches into runner by the inside of portion 1 by setscrew nut 3, reference column 12 and mounting hole successively.The outside surface of drive link 2 is provided with threaded portion 13, and threaded portion 13 is positioned at when locating slot 10 is with locating piece 11 on the corresponding drive link 2 the in during state in mutual clamping and setscrew nut 3 positions.When the utility model is during in installment state, the part that now drive link 2 exposes reference column 12 does not have screw thread, is now close to and coordinates leakproof seal circle 5 fixing, and setscrew nut 3 is now inoperative.And when the utility model is in running order, in rotation, draw after drive link 2, after locating slot and locating piece connect and fix, make gage beam 4 in measuring position, now drive link 2 exposes the part lengthening of reference column 12, and threaded portion 13 is positioned on the position corresponding with setscrew nut 3, now tightens setscrew nut 3, just locked the measuring position of screw drive bar 2 with gage beam place.When locating slot 10 is with locating piece 11 during the state in mutual clamping, make drive link 2 due to the effect of being threaded with setscrew nut 3 of the clamping effect between locating slot 10 and locating piece 11 and threaded portion 13, by drive link 2 strong fixs in the working depth that is suitable for ultrasonic transducer 8.
On reference column 12, be provided with pilot hole 14, for runner is fixed on to fixed object by portion 1, to increase the stable degree of whole device.
Fig. 3-4th, Fig. 3 is structural representation and the side view of the utility model under in running order.In conjunction with Fig. 1-2, the course of work of the present utility model is as follows:
The utility model is when inoperative and installment state, the gage beam 4 that ultrasonic transducer 8 is housed is gone to the position parallel with flange face with drive link 2, thereby make volume of the present utility model effectively be contracted to a plane, make its thickness flange thickness approximate, make length of the present utility model be less than caliber, be convenient to install, during installation, at runner, by the fluid of portion 1, by 9 places, hole, two sections of fluid circuits to be measured are connected, and made the fluid after connection by fluid, to pass through hole 9 completely; And when installing this device and need to work, by rotary pulling drive link 2, make gage beam half-twist, be that gage beam 4 opens by fluid flow direction, and lift to the position of locating piece 11, now, be positioned at the locating slot 10 of drive link 2 lower ends relative with locating piece 11 directions and connect and fix together, at this moment, gage beam is consistent with the flow direction of fluid, effective active length of measuring is elongated, and reaching testing requirement distance, the measurement length that makes ultrasonic transducer measure direction of flow direction is greater than the length of detected body.In measuring process, a ultrasonic transducer 8 on its gage beam with certain angular emission ultrasonic signal after, reflection through signal reflex sheet 7, ultrasound wave will be received by another ultrasonic transducer 8 by V word path, thereby complete hyperacoustic measurement, the output terminal of ultrasonic transducer 8 transfers to ultrasonic flow signal conditioning package 6(water meter or flowmeter by wire by drive link 2 by signal) after, by ultrasonic flow signal conditioning package 6 output displays.
In a word, the utility model changes by the locations of structures changing under different operating state, has realized the requirement that extends fluid measurement length.Little in the installation dimension (length of device) of this device of off working state, by rotating outer drawing, allow gage beam along the parallel expansion of flow direction, the installation dimension of this device (length of device) is large in working order, and has guaranteed the precision of measuring.
Above content is in conjunction with concrete optimal technical scheme further detailed description of the utility model, can not assert that concrete enforcement of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field, without departing from the concept of the premise utility, can also make some simple deduction or replace, all should be considered as belonging to protection domain of the present utility model.
Claims (8)
1. a card form ultrasonic fluid flow measurement device, comprises that runner passes through portion and ultrasonic flow signal conditioning package; It is characterized in that, described runner is by being provided with fluid centered by portion by the plane plate in hole, and described fluid is by the consistent concentric circles of Kong Weiyu fluid caliber to be measured; Runner is plugged with drive link by the upper end of portion by mounting hole, and described runner is stretched into by being fixedly connected with in portion and with gage beam in the lower end of drive link, on described gage beam, is fixed with ultrasonic transducer, and described runner is provided with signal reflex sheet by the inwall of portion; The lower end of described drive link is provided with locating slot, runner is provided with locating piece by the mounting hole place of portion, make when described gage beam turns to and locating slot parallel with fluid flow direction and locating piece and is positioned at same level position with described drive link and the mutually clamping relative with described locating piece direction of described locating slot; The top of described drive link is connected with ultrasonic flow signal conditioning package, and the signal output part of described ultrasonic transducer is connected into the information input terminal of ultrasonic flow signal conditioning package by wire.
2. a kind of card form ultrasonic fluid flow measurement device according to claim 1, it is characterized in that, take described drive link and be provided with two ultrasonic transducers as rotational symmetry in the lower end of described gage beam, described signal reflex sheet is located at described runner by the bottom of portion's inwall.
3. a kind of card form ultrasonic fluid flow measurement device according to claim 1, it is characterized in that, described drive link is hollow lever, and by wire, the inside by described drive link is connected with the signal input part of ultrasonic flow signal conditioning package the signal output part of described ultrasonic transducer.
4. a kind of card form ultrasonic fluid flow measurement device according to claim 1, it is characterized in that, described runner is provided with reference column by the upper end of portion, described reference column is hollow cylinder and is connected with the mounting hole of described runner by portion upper end, the upper end of described reference column is equipped with setscrew nut, described drive link passes through setscrew nut successively, reference column and mounting hole stretch into described runner by the inside of portion, the outside surface of described drive link is provided with threaded portion, described threaded portion is positioned at when described locating slot is with locating piece on the corresponding drive link the in during state in mutual clamping and described setscrew nut position.
5. a kind of card form ultrasonic fluid flow measurement device according to claim 4, is characterized in that, the upper port of described reference column is provided with leakproof seal circle around.
6. a kind of card form ultrasonic fluid flow measurement device according to claim 4, is characterized in that, described reference column is provided with pilot hole.
7. according to a kind of card form ultrasonic fluid flow measurement device described in claim 1 or 3, it is characterized in that, described ultrasonic flow signal conditioning package comprises ultrasonic water meter, flowmeter.
8. a kind of card form ultrasonic fluid flow measurement device according to claim 1, is characterized in that, described runner is flange-like disc by portion, and the thickness of described flange-like disc is less than the diameter of fluid caliber to be measured.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420273092.6U CN203848890U (en) | 2014-05-27 | 2014-05-27 | Card type ultrasonic fluid flow measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420273092.6U CN203848890U (en) | 2014-05-27 | 2014-05-27 | Card type ultrasonic fluid flow measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203848890U true CN203848890U (en) | 2014-09-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420273092.6U Expired - Lifetime CN203848890U (en) | 2014-05-27 | 2014-05-27 | Card type ultrasonic fluid flow measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203848890U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105784034A (en) * | 2016-04-30 | 2016-07-20 | 李长征 | Flange-embedded and foldable ultrasonic direct-injection type fluid flow measuring device |
| CN105973324A (en) * | 2016-05-05 | 2016-09-28 | 汇中仪表股份有限公司 | Sheet type measuring sensor for ultrasonic water meters, heat meters and flow meters and use method of measuring sensor |
| CN109870202A (en) * | 2017-12-01 | 2019-06-11 | 北京新水源景科技股份有限公司 | Card form flowmeter |
-
2014
- 2014-05-27 CN CN201420273092.6U patent/CN203848890U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105784034A (en) * | 2016-04-30 | 2016-07-20 | 李长征 | Flange-embedded and foldable ultrasonic direct-injection type fluid flow measuring device |
| CN105973324A (en) * | 2016-05-05 | 2016-09-28 | 汇中仪表股份有限公司 | Sheet type measuring sensor for ultrasonic water meters, heat meters and flow meters and use method of measuring sensor |
| CN106066197A (en) * | 2016-05-05 | 2016-11-02 | 汇中仪表股份有限公司 | A kind of Ultrasonic water meter, hotlist, flowmeter measurement sensor and using method thereof |
| CN109870202A (en) * | 2017-12-01 | 2019-06-11 | 北京新水源景科技股份有限公司 | Card form flowmeter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |