CN102831716A - Low-voltage-loss column type ultrasonic heat meter for prepayment spherical expansion chamber - Google Patents
Low-voltage-loss column type ultrasonic heat meter for prepayment spherical expansion chamber Download PDFInfo
- Publication number
- CN102831716A CN102831716A CN2012103067790A CN201210306779A CN102831716A CN 102831716 A CN102831716 A CN 102831716A CN 2012103067790 A CN2012103067790 A CN 2012103067790A CN 201210306779 A CN201210306779 A CN 201210306779A CN 102831716 A CN102831716 A CN 102831716A
- Authority
- CN
- China
- Prior art keywords
- expansion chamber
- ultrasonic
- spherical expansion
- column
- base table
- 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.)
- Pending
Links
Images
Landscapes
- Measuring Volume Flow (AREA)
Abstract
The invention discloses a low-voltage-loss column type ultrasonic heat meter for a prepayment spherical expansion chamber, belonging to the technical field of heat meters. According to the low-voltage-loss column type ultrasonic heat meter, the defects of complex production and assembly work procedures and difficulty in control over the production quality in a basic meter of a bracket type ultrasonic heat meter in the prior art as well as greater voltage loss and lower measurement precision in the bracket type ultrasonic heat meter are overcome. The low-voltage-loss column type ultrasonic heat meter mainly comprises a basic meter body, a sensor mounting hole is formed in one end of a water outlet of the basic meter body; a spherical expansion chamber A and a spherical expansion chamber B are arranged on the basic meter body; ultrasonic transducers are respectively arranged at tops of the spherical expansion chamber A and the spherical expansion chamber B; an ultrasonic reflecting column A and an ultrasonic reflecting column B are respectively arranged at the bottoms of the spherical expansion chamber A and the spherical expansion chamber B; integrators are arranged on the ultrasonic transducers; and a reflecting surface A and a reflecting surface B are respectively arranged at top ends of the ultrasonic reflecting column A and the ultrasonic reflecting column B and are opposite to each other. The low-voltage-loss column type ultrasonic heat meter disclosed by the invention is mainly used for metering heat supplied to dwelling houses and enterprises and institutions.
Description
Technical field
The invention belongs to the calorimeter technical field, specifically, relate in particular to the spherical expansion chamber low pressure loss of a kind of pre-payment column ultrasonic calorimeter.
Background technology
Present most ultrasonic heat energy meter adopts stent-type, also has few partial heat energy table to attempt adopting the fluxoid formula.Stent-type ultrasonic heat energy meter comparative maturity comparatively speaking wherein; Obtained using widely; This ultrasonic heat energy 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 realizes that through support itself undergauge of hot duct improves the speed of current, thereby improves the precision of measuring.This scheme can satisfy among the heat energy table industry standard CJ128-2007 of nation-building portion flowmeter designing requirement partly basically.But from the production aspect, the parts of stent-type ultrasonic heat energy meter are many with the material category that relates to, 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, crushing is bigger; The heat energy table industry standard CJ128-2007 of nation-building portion requires crushing can not surpass 25kP, and the crushing of rack-like structures generally between 18-25kP, causes bigger pressure to hot duct; The 2nd, current are from the gap of support and hot duct, to pass through in the rack-like structures, cause near the flow field of ultrasonic reflections eyeglass extremely unstable, are difficult to improve the measurement degree of stability, and the measuring accuracy under small flow rate is lower.Present calorimeter on the market is the back payment type basically, and the user when this collects paying the fees of user to Thermal Corp, causes great inconvenience according to using how much paying the fees according to actual amount of heat.
Summary of the invention
In order to solve the base table of prior art medium-height trestle formula ultrasonic heat energy meter; Production and assembly complex procedures, the quality of production are difficult to control; And the crushing that the stent-type ultrasonic heat energy meter receives is bigger, and measuring accuracy is lower, simultaneously; The defective of not having the heat energy table of pre-paid type on the market the invention provides the spherical expansion chamber low pressure loss of a kind of pre-payment column ultrasonic calorimeter.
The present invention realizes through following technical scheme:
The spherical expansion chamber low pressure loss of a kind of pre-payment column ultrasonic calorimeter; Comprise the base table body, the base table body is provided with water inlet and water delivering orifice, and an end of base table body upper water-out mouth is provided with the sensor mounting hole; The base table body is provided with spherical expansion chamber first and spherical expansion chamber second; Spherical expansion chamber first and spherical expansion chamber second top are respectively equipped with ultrasonic transducer, and the bottom is respectively equipped with ultrasonic reflections column first and ultrasonic reflections column second, and ultrasonic transducer is provided with integraph; Said 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.
An end of water inlet is provided with by-pass valve control on the base table body.
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 invention has the beneficial effects as follows:
Be provided with spherical expansion chamber in the position of ultrasonic reflections column; To have reduced near the turbulent flow influence the ultrasonic reflections column; Reduce the generation of eddy current; Improve measuring stability and accuracy, and the diameter of spherical expansion chamber is when being 1.6 times of base table body diameter, measuring stability and accuracy are the highest;
Ultrasonic reflections column lower surface is processed into vertical hobboing cutter line effect; Utilize the different features 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, makes tight non-loosening is installed;
Be implemented in the break-make control action of water under the meterage condition through by-pass valve control; Through the flow sensor interface on the integraph, temperature sensor interface, communication interface, IC-card interface and Electric Machine Control interface realize flow detection, temperature detection, communicate by letter, the charging control function;
The present invention adopts the mode that the ultrasonic reflections column is set in the spherical expansion chamber, and cost reduces, and stability is better, and dependable performance has also been cancelled support, makes fluid can pass through the base table body smoothly, thereby has reduced the pressure loss of base table body; For hot duct, can effectively reduce system load.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is a base table main body structure synoptic diagram;
Fig. 3 is that the A-A of Fig. 2 is to semisectional view.
Water inlet in the drawings, 1; 2, base table body; 3, by-pass valve control; 4, spherical expansion chamber first; 5, reflection vizard; 6, ultrasonic reflections column first; 7, spherical expansion chamber second; 8, reflecting surface second; 9, ultrasonic reflections column second; 10, water delivering orifice; 11, ultrasonic transducer; 12, integraph; 13, sensor mounting hole.
Embodiment
Below in conjunction with accompanying drawing the present invention is described further:
The spherical expansion chamber low pressure loss of a kind of pre-payment column ultrasonic calorimeter; Comprise base table body 2; Base table body 2 is provided with water inlet 1 and water delivering orifice 10, and an end of water inlet 1 is provided with by-pass valve control 3 on the base table body 2, and an end of water delivering orifice 10 is provided with sensor mounting hole 13; Base table body 2 is provided with spherical expansion chamber first 4 and spherical expansion chamber second 7, and the diameter of spherical expansion chamber first 4 and spherical expansion chamber second 7 is 1.6 times of base table body 2 diameters; Spherical expansion chamber first 4 is respectively equipped with ultrasonic transducer 11 with spherical expansion chamber second 7 tops; The bottom is respectively equipped with ultrasonic reflections column first 6 and ultrasonic reflections column second 9; Ultrasonic transducer 11 is provided with integraph 12; Said ultrasonic reflections column first 6 is respectively equipped with reflection vizard 5 and reflecting surface second 8 with ultrasonic reflections column second 9 tops, and reflection vizard 5 and reflecting surface second 8 are in opposite directions; Said reflection vizard 5 is 45 ° of slopes with reflecting surface second 8; Base table body 2 adopts brass to make; Ultrasonic reflections column first 6 is equipped with vertical hobboing cutter line with ultrasonic reflections column second 9 bottoms, and ultrasonic reflections column first 6 adopts stainless steel to be made with ultrasonic reflections column second 9.
The present invention when mounted, ultrasonic reflections column first 6 environment temperature during with 9 assemblings of ultrasonic reflections column second is below 5 ℃, the angle of the axis of reflecting surface and ultrasonic reflections column is 45 °; Ultrasonic reflections column first 6 is respectively installed in spherical expansion chamber first 3 and the spherical expansion chamber second 8 through extruding with ultrasonic reflections column second 10; The height of ultrasonic reflections column confirms according to the specification of base table body 2, make the ultrasonic reflections column be installed in the spherical expansion chamber after, the center of its reflecting surface is on the axis of base table body 2.
The present invention in use; Be used through the Pt1000 of overmatching temperature sensor with two; Wherein a Pt1000 temperature sensor is placed in the backwater path of hot duct; Another Pt1000 temperature sensor is connected with sensor mounting hole 13 through signal wire one end, and the other end is connected with temperature sensor interface on the integraph 12; Sensor mounting hole 13 is the Pt1000 temperature sensor interface; Ultrasonic transducer 11 is installed in the spherical expansion chamber first 3 and spherical expansion chamber second 8 on the base table body 2, and the signal wire of ultrasonic transducer 11 is connected with the flow measurement interface line of integraph 12; Communication interface on the integraph 12 connects outside M-BUS communication line; The IC-card interface reads the heat that the user buys; The break-make that the Electric Machine Control interface is handled by-pass valve control 3 according to the 3V or the 5V voltage of motor output; Because velocity of propagation and the temperature of ultrasound wave in water has relation; Temperature is high more; Hyperacoustic velocity of propagation is fast more, for calculated flow rate more accurately, reduces the influence of fluid temperature (F.T.); The calculated value of the temperature value modified flow rate that in the computation process of integraph 12, need read according to temperature sensor in the sensor mounting hole 13, and the form of this modified value with parameter be pre-stored in the data-carrier store of integraph 12.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; Ultrasonic transducer emission ultrasound wave on the spherical then expansion chamber second 8 receives signal by the ultrasonic transducer on the spherical expansion chamber 3.Ultrasound wave can be accelerated to propagate when downbeam, and ultrasound wave can delay transit when countercurrent direction, utilizes mistiming between the concurrent-countercurrent can converse the flow velocity of liquid, further can calculate the flow of water outlet; Integraph 12 goes out the temperature value of heating installation water inlet end through the temperature sensor measurement in the mounting hole 13; Read the temperature value of heating installation water side through the other end of pairing temperature sensor; Calculate the temperature difference, integraph 12 calculates the calorie value that the user uses according to the above-mentioned temperature difference and flow number.
Claims (4)
1. the spherical expansion chamber low pressure loss of pre-payment column ultrasonic calorimeter; Comprise base table body (2); Base table body (2) is provided with water inlet (1) and water delivering orifice (10); It is characterized in that: an end of base table body (2) upper water-out mouth (10) is provided with sensor mounting hole (13); Base table body (2) is provided with spherical expansion chamber first (4) and spherical expansion chamber second (7); Spherical expansion chamber first (4) and spherical expansion chamber second (7) top are respectively equipped with ultrasonic transducer (11), and the bottom is respectively equipped with ultrasonic reflections column first (6) and ultrasonic reflections column second (9), and ultrasonic transducer (11) is provided with integraph (12); Said ultrasonic reflections column first (6) and ultrasonic reflections column second (9) top are respectively equipped with reflection vizard (5) and reflecting surface second (8), and reflection vizard (5) and reflecting surface second (8) are in opposite directions.
2. the spherical expansion chamber low pressure loss of pre-payment according to claim 1 column ultrasonic calorimeter, it is characterized in that: the end that base table body (2) is gone up water inlet (1) is provided with by-pass valve control (3).
3. the spherical expansion chamber low pressure loss of pre-payment according to claim 1 and 2 column ultrasonic calorimeter, it is characterized in that: base table body (2) adopts brass to make; Ultrasonic reflections column first (6) and ultrasonic reflections column second (9) bottom are equipped with vertical hobboing cutter line, and ultrasonic reflections column first (6) and ultrasonic reflections column second (9) adopt stainless steel to be made.
4. the spherical expansion chamber low pressure loss of pre-payment according to claim 3 column ultrasonic calorimeter, it is characterized in that: the diameter of spherical expansion chamber first (4) and spherical expansion chamber second (7) is 1.6 times of base table body (2) diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103067790A CN102831716A (en) | 2012-08-27 | 2012-08-27 | Low-voltage-loss column type ultrasonic heat meter for prepayment spherical expansion chamber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103067790A CN102831716A (en) | 2012-08-27 | 2012-08-27 | Low-voltage-loss column type ultrasonic heat meter for prepayment spherical expansion chamber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102831716A true CN102831716A (en) | 2012-12-19 |
Family
ID=47334824
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012103067790A Pending CN102831716A (en) | 2012-08-27 | 2012-08-27 | Low-voltage-loss column type ultrasonic heat meter for prepayment spherical expansion chamber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102831716A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103837265A (en) * | 2014-03-14 | 2014-06-04 | 天津万华股份有限公司 | Integrated prepayment type ultrasonic heat meter |
| CN108601554A (en) * | 2015-06-03 | 2018-09-28 | 蒙特非奥里医疗中心 | Low-strength focusing ultrasonic for treating cancer and transfer |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2036106U (en) * | 1988-04-26 | 1989-04-19 | 严培森 | High speed table octavo folding machine |
| CN101706332A (en) * | 2009-11-20 | 2010-05-12 | 曲宝源 | Battery-powered ultrasonic heat energy meter with low pressure loss and full flux |
| CN201795820U (en) * | 2010-08-20 | 2011-04-13 | 威海米特智能仪表有限公司 | Base table of ultrasonic flow meter |
| CN201993837U (en) * | 2010-11-29 | 2011-09-28 | 河南新天科技股份有限公司 | Integrated IC (integrated circuit) card ultrasonic heat meter structure |
| EP2423648A1 (en) * | 2010-08-31 | 2012-02-29 | Kamstrup A/S | Ultrasonic flow meter with insert fixed by locking finger |
| CN202255698U (en) * | 2011-10-08 | 2012-05-30 | 宁波科坚仪表有限公司 | Ultrasonic wave calorimeter straight tube section structure |
| CN202795577U (en) * | 2012-08-27 | 2013-03-13 | 曲宝源 | Low-pressure-lose column type ultrasonic heat meter of prepaid spherical expansion chamber |
-
2012
- 2012-08-27 CN CN2012103067790A patent/CN102831716A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2036106U (en) * | 1988-04-26 | 1989-04-19 | 严培森 | High speed table octavo folding machine |
| CN101706332A (en) * | 2009-11-20 | 2010-05-12 | 曲宝源 | Battery-powered ultrasonic heat energy meter with low pressure loss and full flux |
| CN201795820U (en) * | 2010-08-20 | 2011-04-13 | 威海米特智能仪表有限公司 | Base table of ultrasonic flow meter |
| EP2423648A1 (en) * | 2010-08-31 | 2012-02-29 | Kamstrup A/S | Ultrasonic flow meter with insert fixed by locking finger |
| CN201993837U (en) * | 2010-11-29 | 2011-09-28 | 河南新天科技股份有限公司 | Integrated IC (integrated circuit) card ultrasonic heat meter structure |
| CN202255698U (en) * | 2011-10-08 | 2012-05-30 | 宁波科坚仪表有限公司 | Ultrasonic wave calorimeter straight tube section structure |
| CN202795577U (en) * | 2012-08-27 | 2013-03-13 | 曲宝源 | Low-pressure-lose column type ultrasonic heat meter of prepaid spherical expansion chamber |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103837265A (en) * | 2014-03-14 | 2014-06-04 | 天津万华股份有限公司 | Integrated prepayment type ultrasonic heat meter |
| CN103837265B (en) * | 2014-03-14 | 2016-09-14 | 天津万华股份有限公司 | A kind of pre-payment type ultrasonic calorimeter of integral type |
| CN108601554A (en) * | 2015-06-03 | 2018-09-28 | 蒙特非奥里医疗中心 | Low-strength focusing ultrasonic for treating cancer and transfer |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102680034B (en) | Device for measuring flow by means of ultrasonic waves | |
| CN201724700U (en) | Measurement pipe section for ultrasonic flowmeter/calorimeter converter with beam function | |
| CN202002684U (en) | Metering device with wide measuring range | |
| CN203443704U (en) | Supersonic wave calorimeter | |
| CN107367305B (en) | Torque flowmeter and working method thereof | |
| CN102831716A (en) | Low-voltage-loss column type ultrasonic heat meter for prepayment spherical expansion chamber | |
| CN204064392U (en) | A kind of bubble method liquid level emasuring device | |
| CN202795577U (en) | Low-pressure-lose column type ultrasonic heat meter of prepaid spherical expansion chamber | |
| CN102829831A (en) | Base table of low-pressure-drop upright post type ultrasonic flow meter with spherical expansion cavities | |
| CN202216726U (en) | Rotary current regulator | |
| CN101349581A (en) | Insert type flow measuring device based on MEMS sensor | |
| CN201262559Y (en) | Plug-in flow measuring device based on MEMS sensor | |
| CN202304909U (en) | Cleanable through-type W reflection-type ultrasonic tube section structure | |
| CN209280059U (en) | A kind of ultrasonic type gas-liquid two-phase measuring device | |
| CN202793481U (en) | Upright post type ultrasonic flowmeter base table with spherical expansion cavities and low pressure loss | |
| CN209589149U (en) | A kind of pulp conveying metering device | |
| CN202795576U (en) | Prepayment small-caliber ultrasonic intelligent water meter | |
| CN103035070B (en) | Small-diameter ultrasonic intelligent water meter | |
| CN202693159U (en) | Reflection-type ultrasonic calorimeter flow tube | |
| CN206177382U (en) | Pipeline section formula ultrasonic water meter | |
| CN206339271U (en) | A kind of high precision wireless ultrasonic liquid flow meter | |
| CN202599570U (en) | Metering device for ultrasonic heat meter in low-column reflection mode | |
| CN102426039B (en) | Rotary current stabilizer | |
| CN102831717A (en) | Intelligent small-caliber prepayment ultrasonic water meter | |
| CN202485836U (en) | Ultrasonic calorimeter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20121219 |