CN101706332B - Battery-powered ultrasonic heat energy meter with low pressure loss and full flux - Google Patents
Battery-powered ultrasonic heat energy meter with low pressure loss and full flux Download PDFInfo
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- CN101706332B CN101706332B CN2009102309038A CN200910230903A CN101706332B CN 101706332 B CN101706332 B CN 101706332B CN 2009102309038 A CN2009102309038 A CN 2009102309038A CN 200910230903 A CN200910230903 A CN 200910230903A CN 101706332 B CN101706332 B CN 101706332B
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Abstract
The invention discloses a battery-powered ultrasonic heat energy meter with low pressure loss and full flux, which comprises a basic meter and an ultrasonic heat energy meter integrator, wherein the basic meter comprises a cambered tube, a straight tube-shaped water inlet and a straight tube-shaped water outlet; the cambered tube is cast and formed with stainless steel materials; the straight tube-shaped water inlet and the straight tube-shaped water outlet are arranged at two ends of the cambered tube; stainless steel mirror reflection boards are respectively arranged on the combining site of the cambered tube and the straight tube-shaped water inlet and the combining site of the cambered tube and the straight tube-shaped water outlet, and the stainless steel mirror reflection boards and the central line are arranged at an included angle of 45 degrees; an ultrasonic piezoelectric transducer is arranged in a basic meter cavity and is installed above the reflection boards; the ultrasonic heat energy meter integrator comprises a dial and a large-scale complex programmable logic circuit board; and a battery case, a flow sensor and a temperature probe are arranged below the circuit board. The invention solves the technical problems of large metering error, heavy metal pollution and short service life in the prior art.
Description
Technical field
The invention belongs to heat energy table technical field, relate to a kind of battery-powered ultrasonic heat energy meter with low pressure loss and full flux.
Background technology
Present most heat energy table adopts small-bore mechanical type hot water gauge, be the flow sensor of single channel wet type, among the heat energy table industry standard CJJ128-2000 of the Ministry of Construction requirement of flowmeter part also adopted and the identical requirement of existing hot water gauge properties of product basically as the heat energy table.But the practice of operation in recent years shows, directly adopt the flow sensor of small-bore mechanical type hot water gauge as the heat energy table, exist range narrow and start that flow is too big, there are problems such as magnetic interference, high temperature step-out in hot and cold water coefficient of flow difference, magnetic biography mode, add that the radiator of using in domestic a lot of user family is that the cast iron founding is made, impurity is more, the wearing and tearing of heat energy table base table are bigger, therefore, the intrinsic limitation of mechanical type heat energy list structure and principle aspect is difficult in 3 years calibration interval normally, operation accurately.
Traditional heat energy table base table is the straight tube-like structure, is formed by the casting of brass material, and is inner for reflecting plate being installed, the signal of reflection piezoelectric transducer, mounting bracket in the flowmeter pipeline usually.The base table of this structure has not only influenced the flux of hot water, formation turbulent flow, ultrasound wave effective sound path in liquid shortens easily simultaneously, causes the big problem of error in dipping, but also has the problem of heavy metal pollution; Because the radiator of using in domestic a lot of user families is that the cast iron founding is made mostly, impurity is more, and is bigger to the wearing and tearing of the reflecting plate in the heat energy table base table, influences its serviceable life.
Summary of the invention
The objective of the invention is to solve that prior art exists that error in dipping is big, heavy metal pollution, serviceable life short technical matters,
Provide a kind of battery-powered ultrasonic heat energy meter with low pressure loss and full flux, to overcome the deficiencies in the prior art.
To achieve these goals, battery-powered ultrasonic heat energy meter with low pressure loss and full flux of the present invention, form by base table and ultrasonic heat energy meter integraph, described base table comprises by the arcuation body of stainless steel casting and the straight tube-like entery and delivery port at two ends thereof, be respectively equipped with the stainless steel mirror reflecting plate on arcuation body and the straight tube-like entery and delivery port binding site, stainless steel mirror reflecting plate and center line are 45 ° of angle settings, be provided with the ultrasound piezoelectric transducer in the base table chamber, the ultrasound piezoelectric transducer be installed in reflecting plate above; Described ultrasonic heat energy meter integraph is made up of dial plate and large-scale complex Programmable Logic Device plate, is provided with battery case and flow sensor and temp probe below the circuit board.
Adorn rounded laminar piezoelectric element in the ultrasound piezoelectric transducer, the diameter of piezoelectric element thin slice is 12-13 a times of sheet thickness.
In order to improve the smoothness of base table inner chamber, the base table casting adds man-hour, earlier ceramic core is placed in the corresponding mould, and then with the moulding of stainless steel water one-step casting, ceramic core after the shaping in the broken again base table chamber, the smoothness of cavity wall in the assurance base table, the reflecting surface of reflecting plate is a minute surface, the employing fine grinding technology is made, and adopts laser bonding then on flowmeter base table inner chamber.
The present invention's beneficial effect compared with prior art is:
1, traditional heat energy table base table chamber is a straight tube-like, internal side installation baffle reflection piezoelectric transducer signal, at the base table pipe interior reflecting plate support is installed usually, influenced the flow flux, form turbulent flow in simultaneously in managing easily, sound wave is effectively sound path shortening in liquid.In the base table of the present invention the reflecting plate position being installed is to get connecting portion at arcuation body and straight tube-like entery and delivery port, reflecting plate is welded on the two ends of shape body, be 45 ° of angles with center line, no support, do not have turbulent flow and produce fluid flow fluxoid, low pressure loss, effectively raise the measurement sound path of ultrasound wave in liquid, improved measuring accuracy.
2, traditional heat energy table base table chamber innerly adopts machine work to guarantee the smoothness of inside pipe wall usually, and therefore, operation easier is big.The ceramic core precision casting process is adopted in base table of the present invention chamber, and broken again ceramic core after the moulding guarantees the smoothness of inner-walls of duct, and is therefore, simple to operate.
3, the reflecting surface of the reflecting plate in the base table of the present invention is a minute surface, adopts fine grinding technology to make, and adopts laser welding technology to be welded on the base table then, and minute surface is indeformable.
4, adopt stainless steel to make base table, with respect to the basis brass material, heavy metal free pollutes.
When 5, using, the heat energy table adopts the side mounting means, and reflecting plate is perpendicular to surface level, and during no flow, impurity is not easy to be deposited on the reflecting plate minute surface in the liquid, has improved the serviceable life of heat energy table.
6, in the base table of the present invention chamber for fluxoid designs, no support in the circulation tube chamber, impurity is not easy to stop up base table in the liquid, has improved heat energy table resistance to overturning and serviceable life.
7, the ultrasound piezoelectric transducer adopts the efficient transducer of low-power consumption, the piezoelectric element of ultrasonic transducer is made thin rounded flakes, along thickness vibration, the thin slice diameter surpasses 12 times of thickness, guaranteed the directivity of vibration, piezoelectric element is arranged in the transducer enclosure, has guaranteed the influence that measuring accuracy is not changed by temperature and pressure.
8, adopt the large-scale complex Programmable Logic Device to make the ultrasonic heat energy meter integraph, use back the ring technology and strengthen sound path,, improved the survey reason precision of ultrasonic heat energy meter to increase the time difference.
9, because the ultrasound wave that the ultrasound piezoelectric transducer sends can directly reflex on the minute surface of reflecting plate, avoided the dirt deposition on the minute surface effectively, anti-scaling property is good, can guarantee 2 grades of high precision for a long time, be low to moderate most the initiating flow of 1.0L/h, reduced and leaked the generation of counting, counting phenomenon less, guaranteed the rationality of clearing.
10, the large-scale complex Programmable Logic Device dirty degree of monitoring stream quantity sensor and the duty of temp probe automatically, and send early warning.Simultaneously, adjust the intensity of ultrasonic signal automatically according to monitoring result, the deviation that causes with the influence of the variation that adapts to water quality and incrustation scale keeps the high reliability of operation.When the current bubble exceeds standard, also can give the alarm, and make corresponding adjustment, guarantee that state deteriorating still can reliably working.
11, adopt low power dissipation design, dynamically adjust the ultrasonic measurement frequency according to the flow rate of liquid situation, average current can be low to moderate 28 microamperes, and whole table can use powered battery.
Description of drawings
Accompanying drawing is a structural representation of the present invention.
1 is dial plate among the figure, the 2nd, and large-scale complex Programmable Logic Device plate, the 3rd, water inlet, the 4th, ultrasound piezoelectric transducer, the 5th, water delivering orifice, the 6th, flow sensor and temp probe, the 7th, battery case.
Embodiment
With reference to the accompanying drawings, it is made up of the present invention base table and ultrasonic heat energy meter integraph, base table comprises the straight tube-like entery and delivery port 3,5 by the arcuation body of stainless steel casting and two ends thereof, be respectively equipped with the stainless steel mirror reflecting plate on arcuation body and straight tube-like entery and delivery port 3,5 binding sites, stainless steel mirror reflecting plate and center line are 45 ° of angle settings, be provided with ultrasound piezoelectric transducer 4 in the base table chamber, ultrasound piezoelectric transducer 4 be installed in reflecting plate above; The ultrasonic heat energy meter integraph is made up of dial plate 1 and large-scale complex Programmable Logic Device plate 2, is provided with battery case 7 and flow sensor and temp probe 6 below the circuit board 2; Adorn rounded laminar piezoelectric element in the ultrasound piezoelectric transducer 4, the diameter of piezoelectric element thin slice is 12-13 a times of sheet thickness; During casting processing base table, earlier ceramic core is placed in the corresponding mould, and then with 304 type stainless steel water one-step casting moulding, ceramic core after the shaping in the broken again base table inner chamber, guarantee the smoothness of cavity wall in the base table, the reflecting surface of reflecting plate is a minute surface, adopts fine grinding technology to make, and adopts laser welding technology to be welded on the flowmeter base table inner chamber then.
Heat energy table of the present invention can be used for heating user's metering.Be to launch ultrasound wave mutually by two transducers in the base table, sound wave can be accelerated to propagate when downbeam, and sound wave can delay transit when countercurrent direction.The user is consumed in the certain hour heat and the temperature difference and the flow that advance between the backwater in this section period are proportional, utilize the mistiming between the concurrent-countercurrent can converse the flow velocity of liquid, thereby calculate the flow of hot water.Heat energy table of the present invention is the precision height not only, and overload capacity is strong, and stability and enduring quality are good, and standard machinery formula heat energy table generally has only 3 class precisions, and precision is relatively poor lastingly.Large-scale complex Programmable Logic Device ultrasonic heat energy meter has minimum life-cycle costing, and maintenance cost is also lower.The present invention develops in a healthy way to promoting heat energy table manufacturing industry, for energy savings, builds a conservation-minded society, and has active operation significance.
Claims (2)
1. battery-powered ultrasonic heat energy meter with low pressure loss and full flux, it is characterized in that it is made up of base table and ultrasonic heat energy meter integraph, described base table comprises by the arcuation body of stainless steel casting and the straight tube-like entery and delivery port at two ends thereof, be respectively equipped with the stainless steel mirror reflecting plate on arcuation body and the straight tube-like entery and delivery port binding site, stainless steel mirror reflecting plate and center line are 45 ° of angle settings, be provided with the ultrasound piezoelectric transducer in the base table chamber, the ultrasound piezoelectric transducer be installed in reflecting plate above; Described ultrasonic heat energy meter integraph is made up of dial plate and large-scale complex Programmable Logic Device plate, is provided with battery case and flow sensor and temp probe below the circuit board.
2. battery-powered ultrasonic heat energy meter with low pressure loss and full flux according to claim 1 is characterized in that adorning in the described ultrasound piezoelectric transducer rounded laminar piezoelectric element, and the diameter of piezoelectric element thin slice is 12-13 a times of sheet thickness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102309038A CN101706332B (en) | 2009-11-20 | 2009-11-20 | Battery-powered ultrasonic heat energy meter with low pressure loss and full flux |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102309038A CN101706332B (en) | 2009-11-20 | 2009-11-20 | Battery-powered ultrasonic heat energy meter with low pressure loss and full flux |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101706332A CN101706332A (en) | 2010-05-12 |
| CN101706332B true CN101706332B (en) | 2011-05-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009102309038A Expired - Fee Related CN101706332B (en) | 2009-11-20 | 2009-11-20 | Battery-powered ultrasonic heat energy meter with low pressure loss and full flux |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101907500A (en) * | 2010-08-31 | 2010-12-08 | 哈尔滨圣昌科技开发有限公司 | Ultrasonic heat meter with arc shaped upper part of cross section of inner hole of base meter |
| 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 |
| CN102831717A (en) * | 2012-08-27 | 2012-12-19 | 曲宝源 | Intelligent small-caliber prepayment ultrasonic water meter |
| CN102831716A (en) * | 2012-08-27 | 2012-12-19 | 曲宝源 | Low-voltage-loss column type ultrasonic heat meter for prepayment spherical expansion chamber |
| CN102928032A (en) * | 2012-10-22 | 2013-02-13 | 宁波甬港仪表有限公司 | Intelligent ultrasonic heat flowmeter and installation method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0763717A2 (en) * | 1995-09-13 | 1997-03-19 | IWK Regler und Kompensatoren GmbH | Apparatus for the ultrasonic measurement of flow rate |
| CN2428225Y (en) * | 2000-05-26 | 2001-05-02 | 严卓理 | Emission type high-power supersonic transducer |
| US6536275B1 (en) * | 1997-12-23 | 2003-03-25 | Simmonds Precision Products, Inc. | Ultrasonic transducer for liquid measurement |
| CN101576399A (en) * | 2009-05-08 | 2009-11-11 | 邓鲁坚 | Flow sensor of ultrasonic water meter and heat meter |
| CN201569516U (en) * | 2009-11-20 | 2010-09-01 | 曲宝源 | Low-pressure-loss fluxoid ultrasonic heat meter |
-
2009
- 2009-11-20 CN CN2009102309038A patent/CN101706332B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0763717A2 (en) * | 1995-09-13 | 1997-03-19 | IWK Regler und Kompensatoren GmbH | Apparatus for the ultrasonic measurement of flow rate |
| US6536275B1 (en) * | 1997-12-23 | 2003-03-25 | Simmonds Precision Products, Inc. | Ultrasonic transducer for liquid measurement |
| CN2428225Y (en) * | 2000-05-26 | 2001-05-02 | 严卓理 | Emission type high-power supersonic transducer |
| CN101576399A (en) * | 2009-05-08 | 2009-11-11 | 邓鲁坚 | Flow sensor of ultrasonic water meter and heat meter |
| CN201569516U (en) * | 2009-11-20 | 2010-09-01 | 曲宝源 | Low-pressure-loss fluxoid ultrasonic heat meter |
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| CN101706332A (en) | 2010-05-12 |
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Assignee: Shangdong Zhifang Instrument Science & Technology Co., Ltd. Assignor: Qu Baoyuan Contract record no.: 2011370000598 Denomination of invention: Battery-powered ultrasonic heat energy meter with low pressure loss and full flux Granted publication date: 20110518 License type: Exclusive License Open date: 20100512 Record date: 20111228 |
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