CN202793481U - Upright post type ultrasonic flowmeter base table with spherical expansion cavities and low pressure loss - Google Patents
Upright post type ultrasonic flowmeter base table with spherical expansion cavities and low pressure loss Download PDFInfo
- Publication number
- CN202793481U CN202793481U CN 201220425085 CN201220425085U CN202793481U CN 202793481 U CN202793481 U CN 202793481U CN 201220425085 CN201220425085 CN 201220425085 CN 201220425085 U CN201220425085 U CN 201220425085U CN 202793481 U CN202793481 U CN 202793481U
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- base table
- spherical expansion
- expansion chamber
- column
- upright post
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Abstract
The utility model discloses an upright post type ultrasonic flowmeter base table with spherical expansion cavities and low pressure loss and belongs to the technical field of a calorimeter and a water meter. The defects of complex production and assembly procedure and difficult control on production quality of a bracket type ultrasonic flowmeter base table, and relatively high pressure loss and relatively low measuring precision of a bracket type ultrasonic flowmeter in the prior art are overcome. The upright post type ultrasonic flowmeter base table mainly comprises a base table body, wherein a water inlet and a water outlet are formed in the base table body; a spherical expansion cavity I and a spherical expansion cavity II are arranged on the base table body; a reflective upright post mounting groove and an energy exchanger mounting hole are formed in both of the spherical expansion cavity I and the spherical expansion cavity II; an ultrasonic reflective upright post I and an ultrasonic reflective upright post II are respectively arranged in the spherical expansion cavity I and the spherical expansion cavity II through the reflective upright post mounting grooves; and a reflective surface I and a reflective surface II are respectively arranged at the top ends of the ultrasonic reflective upright post I and the ultrasonic reflective upright post II and are arranged face to face. The upright post type ultrasonic flowmeter base table is applied to the calorimeter and the water meter.
Description
Technical field
The utility model belongs to calorimeter and water meter technical field, specifically, relates in particular to a kind of spherical expansion chamber low pressure loss column base table of ultrasonic flow meter.
Background technology
Present most ultrasonic flow meter adopts stent-type, also has few part ultrasonic flow meter to attempt adopting the fluxoid formula.Stent-type flowmeter comparative maturity comparatively speaking wherein, be widely used, this ultrasonic flow meter is in straight-through base table body plastic stent to be installed, a pair of ultrasonic reflections eyeglass is installed at the two ends of support, and pass through support itself and realize that the undergauge of pipeline improves the speed of current, thereby improve the precision of measuring.This scheme can satisfy among the heat energy meter industry standard CJ128-2007 of Minstry of Housing and Urban-Rural Development of People Republic of China (MOHURD) substantially to flowmeter designing requirement partly.But from the production aspect, the parts of stent-type ultrasonic flow meter and the material category that relates to are many, and in the production and assembly process of base table, operation is more complicated also, and the reference mark of the quality of production is also more.In addition, from technological layer, adopt rack-like structures, the one, Pressure Loss Ratio is larger, and the standard C J128-2007 of Minstry of Housing and Urban-Rural Development of People Republic of China (MOHURD) requires crushing can not surpass 25kP, and the crushing of rack-like structures generally between 18-25kP, causes larger pressure to pipeline; The 2nd, current are to pass through from the gap of support and pipeline in the rack-like structures, cause near the flow field of ultrasonic reflections eyeglass extremely unstable, are difficult to improve the Measurement sensibility degree, and the measuring accuracy under small flow rate is lower.
The utility model content
Be difficult to control in order to solve prior art medium-height trestle formula base table of ultrasonic flow meter production and assembly complex procedures, the quality of production, and stent-type ultrasonic flow meter crushing is larger, the defective that measuring accuracy is lower, the utility model provide a kind of spherical expansion chamber low pressure loss column base table of ultrasonic flow meter.
The utility model is achieved through the following technical solutions:
A kind of spherical expansion chamber low pressure loss column base table of ultrasonic flow meter, comprise the base table body, the base table body is provided with water inlet and water delivering orifice, the base table body is provided with spherical expansion chamber first and spherical expansion chamber second, be equipped with reflection column mounting groove and transducer mounting hole on spherical expansion chamber first and the spherical expansion chamber second, ultrasonic reflections column first and ultrasonic reflections column second are installed in spherical expansion chamber first and the spherical expansion chamber second by reflection column mounting groove respectively, described ultrasonic reflections column first and ultrasonic reflections column second top are respectively equipped with reflection vizard and reflecting surface second, and reflection vizard and reflecting surface second are in opposite directions.
One end of base table body upper water-out mouth is provided with the temperature sensor mounting hole.
The base table body adopts brass to make; Ultrasonic reflections column first and ultrasonic reflections column second bottom are equipped with vertical hobboing cutter line, and ultrasonic reflections column first and ultrasonic reflections column second adopt stainless steel to be made.
The diameter of spherical expansion chamber first and spherical expansion chamber second is 1.6 times of base table body diameter.
Compared with prior art, the beneficial effects of the utility model are:
Be provided with spherical expansion chamber in the position of ultrasonic reflections column, to have reduced near the turbulent flow impact the ultrasonic reflections column, reduce the generation of eddy current, improve stability and the accuracy of measuring, and when the diameter of spherical expansion chamber was 1.6 times of base table body diameter, stability and the accuracy of measurement were the highest;
Ultrasonic reflections column lower surface is processed into vertical hobboing cutter line effect, utilize the different characteristics of stainless steel and brass hardness, the ultrasonic reflections column is mounted in the spherical expansion chamber, the stainless steel lines of ultrasonic reflections column can extrusion brass table body and is made it distortion, so that tight non-loosening is installed;
The utility model adopts the mode that the ultrasonic reflections column is set in the spherical expansion chamber, cost, and stability is better, and dependable performance has also been cancelled support, makes fluid can pass through smoothly the base table body, thereby has reduced the pressure loss of base table body; For hot duct, can effectively reduce system load.
Description of drawings
Fig. 1 is front view of the present utility model;
Fig. 2 is vertical view of the present utility model;
Fig. 3 is that the A-A of Fig. 1 is to semisectional view.
In the drawings, 1, water inlet; 2, base table body; 3, spherical expansion chamber first; 4, transducer mounting hole; 5, reflection vizard; 6, ultrasonic reflections column first; 7, reflection column mounting groove; 8, spherical expansion chamber second; 9, reflecting surface second; 10, ultrasonic reflections column second; 11, installation of sensors hole; 12, water delivering orifice.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing:
A kind of spherical expansion chamber low pressure loss column base table of ultrasonic flow meter, comprise base table body 2, base table body 2 is provided with water inlet 1 and water delivering orifice 12, one end of base table body 2 upper water-out mouths 12 is provided with installation of sensors hole 11, base table body 2 is provided with spherical expansion chamber first 3 and spherical expansion chamber second 8, the diameter of spherical expansion chamber first 3 and spherical expansion chamber second 8 is 1.6 times of base table body 2 diameters, be equipped with reflection column mounting groove 7 and transducer mounting hole 4 on spherical expansion chamber first 3 and the spherical expansion chamber second 8, ultrasonic reflections column first 6 and ultrasonic reflections column second 10 are installed in spherical expansion chamber first 3 and the spherical expansion chamber second 8 by reflection column mounting groove 7 respectively, described ultrasonic reflections column first 6 and ultrasonic reflections column second 10 tops are respectively equipped with reflection vizard 5 and reflecting surface second 9, and reflection vizard 5 and reflecting surface second 9 are in opposite directions; Base table body 2 adopts brass to make, and ultrasonic reflections column first 6 and ultrasonic reflections column second 10 bottoms are equipped with vertical hobboing cutter line, and ultrasonic reflections column first 6 and ultrasonic reflections column second 10 adopt stainless steel to be made.
The utility model is when making assembling, and the environment temperature during the processing assembling is below 5 ℃, and the angle of the axis of reflecting surface and ultrasonic reflections column is 45 °; Ultrasonic reflections column first 6 and ultrasonic reflections column second 10 are respectively installed in spherical expansion chamber first 3 and the spherical expansion chamber second 8 by extruding, the groove depth of reflection column mounting groove 7 is higher than 1/3rd of ultrasonic reflections column whole height, avoids ultrasonic reflections column first 6 and ultrasonic reflections column second 10 loose or dislocations in the course of work.
The utility model is used with ultrasonic transducer, temperature sensor, ultrasonic calorimeter or ultrasonic water meter integraph in use; Ultrasonic transducer is installed on the transducer mounting hole 4, and temperature sensor is installed in the installation of sensors hole 11.The height of ultrasonic reflections column determines according to the specification of base table body 2, make the ultrasonic reflections column be installed to reflection column mounting groove 7 interior after, the center of its reflecting surface is on the axis of base table body 2; Select as the case may be suitable temperature sensor to be installed on the installation of sensors hole 11, ultrasonic transducer is installed on the transducer mounting hole 4.During work, the ultrasonic transducer emission ultrasound wave on the spherical expansion chamber first 3, the reflection vizard 5 of ultrasound wave on ultrasonic reflections column first 6 reflexes to reflecting surface second 9, receives signal by the ultrasonic transducer on the spherical expansion chamber second 8 at last; And then by the emission of the ultrasonic transducer on the spherical expansion chamber second 8 ultrasound wave, receive ultrasound wave by the ultrasonic transducer on the spherical expansion chamber first 3; Because ultrasound wave can be accelerated to propagate when downbeam, and ultrasound wave is understood delay transit when countercurrent direction, utilize mistiming between the concurrent-countercurrent can converse the flow velocity of liquid, further can calculate the flow of water outlet, answer the temperature value modified flow rate value of temperature sensor measurement in the reference sensor mounting hole 11 during calculated flow rate, improve measuring accuracy.
Claims (4)
1. spherical expansion chamber low pressure loss column base table of ultrasonic flow meter, comprise base table body (2), base table body (2) is provided with water inlet (1) and water delivering orifice (12), it is characterized in that: base table body (2) is provided with spherical expansion chamber first (3) and spherical expansion chamber second (8), be equipped with reflection column mounting groove (7) and transducer mounting hole (4) on spherical expansion chamber first (3) and the spherical expansion chamber second (8), ultrasonic reflections column first (6) and ultrasonic reflections column second (10) are installed in spherical expansion chamber first (3) and the spherical expansion chamber second (8) by reflection column mounting groove (7) respectively, described ultrasonic reflections column first (6) and ultrasonic reflections column second (10) top are respectively equipped with reflection vizard (5) and reflecting surface second (9), and reflection vizard (5) and reflecting surface second (9) are in opposite directions.
2. spherical expansion chamber low pressure loss column base table of ultrasonic flow meter according to claim 1, it is characterized in that: an end of base table body (2) upper water-out mouth (12) is provided with installation of sensors hole (11).
3. spherical expansion chamber low pressure loss column base table of ultrasonic flow meter according to claim 1 and 2 is characterized in that: the making of base table body (2) employing brass; Ultrasonic reflections column first (6) and ultrasonic reflections column second (10) bottom are equipped with vertical hobboing cutter line, and ultrasonic reflections column first (6) and ultrasonic reflections column second (10) adopt stainless steel to be made.
4. spherical expansion chamber low pressure loss column base table of ultrasonic flow meter according to claim 3, it is characterized in that: the diameter of spherical expansion chamber first (3) and spherical expansion chamber second (8) is 1.6 times of base table body (2) diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220425085 CN202793481U (en) | 2012-08-27 | 2012-08-27 | Upright post type ultrasonic flowmeter base table with spherical expansion cavities and low pressure loss |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220425085 CN202793481U (en) | 2012-08-27 | 2012-08-27 | Upright post type ultrasonic flowmeter base table with spherical expansion cavities and low pressure loss |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202793481U true CN202793481U (en) | 2013-03-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220425085 Expired - Fee Related CN202793481U (en) | 2012-08-27 | 2012-08-27 | Upright post type ultrasonic flowmeter base table with spherical expansion cavities and low pressure loss |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202793481U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102829831A (en) * | 2012-08-27 | 2012-12-19 | 曲宝源 | Base table of low-pressure-drop upright post type ultrasonic flow meter with spherical expansion cavities |
-
2012
- 2012-08-27 CN CN 201220425085 patent/CN202793481U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102829831A (en) * | 2012-08-27 | 2012-12-19 | 曲宝源 | Base table of low-pressure-drop upright post type ultrasonic flow meter with spherical expansion cavities |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Shangdong Zhifang Instrument Science & Technology Co., Ltd. Assignor: Qu Baoyuan Contract record no.: 2015370000101 Denomination of utility model: Base table of low-pressure-drop upright post type ultrasonic flow meter with spherical expansion cavities Granted publication date: 20130313 License type: Exclusive License Record date: 20150603 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160616 Address after: 276000 middle of Hubei Road, Shandong, Linyi Patentee after: Shangdong Zhifang Instrument Science & Technology Co., Ltd. Address before: 276000 Shandong city of Linyi province middle road high tech Zone of Shandong science and Technology Intellectual Instrument Technology Co Ltd Patentee before: Qu Baoyuan |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130313 Termination date: 20160827 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |