CN102789662A - Ultrasonic wave IC card water meter and heat meter - Google Patents
Ultrasonic wave IC card water meter and heat meter Download PDFInfo
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- CN102789662A CN102789662A CN2012102485807A CN201210248580A CN102789662A CN 102789662 A CN102789662 A CN 102789662A CN 2012102485807 A CN2012102485807 A CN 2012102485807A CN 201210248580 A CN201210248580 A CN 201210248580A CN 102789662 A CN102789662 A CN 102789662A
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Abstract
The invention provides an ultrasonic wave IC card water meter and an ultrasonic wave heat meter. A meter case (37) is made into a U-pipe shape, a water inlet and a water outlet which are provided with internal threads are arranged at the top of the U-shaped pipe in the horizontal direction; one of the water inlet and the water outlet is provided with a valve pipe used for containing a through hole ball (23) and a seal piece of the through hole ball (23); a through horizontal pipe is arranged at the bottom of the U-shaped pipe in the horizontal direction and in the direction parallel to a water inlet pipe and a water outlet pipe, internal threads are arranged at the two ends of the through horizontal pipe, a speed measurement pipe (30) is inserted into the through horizontal pipe of the U-shaped pipe, an ultrasonic wave transducer assembly is arranged at the two ends of the horizontal pipe of the U-shaped pipe, an inlet pipe(1), the through hole ball (23) and an outlet pipe (20) are sequentially arranged on the inlet and outlet of the meter case (37); and then an upper meter case cover (4) and a lower meter case cover (38) are used to wrap a signal measurement base meter assembly in a seal manner, and a groove-shaped seal ring (7) is arranged on the opening edge of an electron and valve electronic control seal box (3) and is sealed by a seal top cover (6) with a wedge-shaped vertical edge.
Description
Technical field:
The invention belongs to tap water measuring instrument and thermal metering instrument, relate in particular to a kind of ultrasound I C card water meter and heat energy table.
Background technology:
At present, be used for the IC-card water meter and the heat energy table in various places, generally adopt current to promote impeller and carry out the mode of mechanical rotation and the mode of ultrasonic measurement water velocity.The then more modes that adopt ultrasound wave to survey water velocity of the employing mechanical system that water meter is more, heat energy table more.Mechanical system is because there are problems such as wearing and tearing in rotatable parts such as its impeller, and its serviceable life is comparatively very brief.And just there are advantages such as life-span length in the mode of ultrasonic measurement water velocity.
The mode that is used for the ultrasonic measurement water velocity of water meter and heat energy table at present; Be divided into ultrasound wave direct-injection type and reflective again; Because reflective need are fixing one or two reflecting surface on hyperacoustic path; These reflectings surface are easy to polluted and reduce reflection potential, thus commonplace be to adopt the mode of direct projection to do ultrasound wave water meter and heat energy table.
And the water meter and the heat energy table that adopt the hyperacoustic mode of direct projection to make at present; Major part all adopts ultrasonic transducer is loaded on the pitot tube both sides; Hyperacoustic like this travel path then just has certain angle with the flow path of water; Ultrasound wave is just had only the component identical with the ultrasonic propagation direction just to have effect by the influence of current, thereby has reduced ultrasound wave by the amplitude of water currents, that is to say that this mode has reduced the precision and the sensitivity of ultrasonic measurement water velocity.
In addition; Present ultrasound wave water meter and heat energy table; The bore of the current pitot tubes that great majority adopt is basic identical with the nominal bore of this table, thereby makes the flow velocity of water in the current pitot tube can not get improving, also be reduction its to one of reason of water velocity measuring accuracy and sensitivity.Simultaneously, because current pitot tube great majority all are to adopt metal material processing to become, the surface is comparatively coarse, and the homogeneity of water flows is also had certain influence.
Be exactly in addition; At present the great majority transducer fixed covers that adopt metals or plastics to make fix and seal the ultrasound piezoelectric potsherd; And these transducer fixed covers can not effectively prevent its surperficial scaling and gather the rust deposite in the water, lose normal propagation so transducer face is easy to fouling and receive action of ultrasonic waves.
Another one is exactly that the signal wire that is connected ultrasonic transducer and temperature probe of present most ultrasound wave water meter and heat energy table all is exposed to outside the watchcase, thereby is easy to artificially or all of a sudden destroyed, and makes it lose normal function of measuring.
The present invention provides a solution; It can use the IC-card water meter that ultrasound wave makes and the measuring accuracy and the sensitivity of heat energy table to be improved; And the outside surface of its transducer can scaling with gather rust deposite; The signal wire that connects ultrasonic transducer and temperature probe simultaneously is closed in the watchcase cover, thereby its signal wire can not receive artificial under the situation of not destroying the watchcase cover or unexpected destruction, and when preset value uses up in table; Electric control valve can be closed automatically, and the automatically controlled part of its control circuit board and supplying cell and valve all is sealed in electronics and the automatically controlled seal box of valve.
Summary of the invention:
The present invention is achieved in that it is that watchcase type of making U is tubular; Top, horizontal direction at its U-shaped pipe is done female intake-outlet; A mouth is done the valved tube of adorning through hole ball and seal thereof therein, does female side pipe in the side direction of valved tube; Bottom transverse and water inlet pipe and water outlet pipe direction side by side at its U-shaped pipe have been made the perforation transverse tube; And done internal thread at its two ends; With done the side siphunculus at its transverse tube wall; And done internal thread at this side siphunculus tail end, and done the side siphunculus at the vertical tube side outer wall of its U-shaped pipe, also done internal thread at this side siphunculus tail end.In the perforation transverse tube of U-shaped pipe, be inserted with pitot tube, the internal diameter of pitot tube is littler than the bore of importing and exporting, and the sidewall of pitot tube also done side opening, and this side opening is aimed at the side siphunculus endoporus on the horizontal siphunculus.Pack at the two ends of the transverse tube of U-shaped pipe ultrasonic transducer assembly and it being compressed with the transducer gland nut; The ultrasonic transducer assembly then is that the ultrasound piezoelectric potsherd is packed in the transducer fixed cover; The electrode of ultrasound piezoelectric potsherd is connected with the signal line plate with thin wire; The signal line plate is connected with the ultrasonic signal line again, with hardening agent such as epoxy resin the space of transducer fixed cover inner tail end is cured sealing then; And the transducer fixed cover is the interior sky made from teflon, and wall has been done concavo-convex step or internal thread within it.In the side siphunculus of the vertical tube side outer wall of U-shaped pipe, insert and be fixed with hermetically temperature probe.In the side siphunculus of the perforation transverse tube of U-shaped pipe, pack into level electrode assemblies and compress and seal with gland nut; Its level electrode assemblies is with the nonmetal electrode shell of making; And one or more pairs of conductive electrodes are housed within it; Conductive electrode is connected with the electrode signal line, with epoxy resin the space of afterbody in it is cured sealing then.At import and export of the watchcase induction pipe of packing into, between it with importing and exporting the O-ring seal sealing; Made the spring sealed circle of packing into earlier in the valved tube at another of its watchcase; The valve sealing ring of packing into then; The sealing inserts of in the side pipe of valved tube, packing into valve rod is housed in advance again seals with the inserts O-ring seal between sealing inserts and the valved tube side pipe, seals with little O-ring seals between valve rod and the sealing inserts; Afterwards the fluting of through hole ball is inserted in the bottom of valve rod; The outlet of packing at last, the sealing between outlet and the watchcase realizes with importing and exporting O-ring seal, and packed in advance in the outlet spring sealed circle and valve sealing ring; Be connected with output gear in electronics and the automatically controlled seal box of valve at the top of valve rod, output gear again with a plurality of reduction gearing engagements, and first order reduction gearing is connected with motor; Use the signal measurement base table assembly of making more than watchcase cover and the following table clamshell general then wraps up with sealing; At the opening of electronics and the automatically controlled seal box of valve along the flute profile O-ring seal is housed, this flute profile O-ring seal with the top pressure closure that the wedge stile is arranged under the compressing of screw with control circuit board and the complete seal box of supplying cell in electronics and the automatically controlled seal box of valve.
During use; Current are after the import entering of watchcase; Vertical tube along the U-shaped pipe gets into bottom perforation transverse tube again, gets into pitot tube then, because the internal diameter of pitot tube is littler than the bore of the import and export of watchcase; So water flow velocity all will improve a lot; And be fixed in connect the transverse tube two ends the ultrasonic transducer assembly over against axis at pitot tube, so ultrasound wave water meter and the measured hyperacoustic propagation time difference of heat energy table are increased greatly, thereby its measuring accuracy and sensitivity are improved greatly.
The transducer fixed cover of ultrasonic transducer assembly is made with polytetrafluoroethylmaterial material; Mainly be in order to prevent above that scaling and to gather rust deposite; Because this material of teflon is because very fine and smooth and can not pile up incrustation scale and rust deposite, thereby prolonged the normal serviceable life of its water meter made and heat energy table greatly; In its transducer fixed cover, doing irregular step or internal thread, mainly is for hardening agent such as injection ring epoxy resins in it and after solidifying, and improves the adhesion of hardening agent and its transducer fixed cover.The purpose of inserting temperature probe at the vertical tube place of the U-shaped pipe of watchcase is in order to measure the temperature of the current of the heat energy table of flowing through in real time, so that calculate the employed thermal energy of user.In the side siphunculus of the perforation transverse tube of the U-shaped pipe of watchcase bottom, insert the level electrode assemblies two purposes are arranged: one of which, fixing pitot tube can not be pushed it and is shifted under the streamflow regime of high speed; Its two, expose electrode in pitot tube and be the state of not conducting each other when anhydrous state; And when in pitot tube, being full of water, will become the state of mutual conduction between the electrode through water, control circuit board just can judge whether this water meter or heat energy table are in normal installation water flowing state through these two states.The accessories such as through hole ball of in valved tube, packing into mainly are in order to form valve.After the preset value in the table uses up; Automatically controlled circuit board promptly provides the electric current of a direction to motor; Motor rotates and drives the reduction gearing rotation, drives valve rod through output gear afterwards and rotates, and drives the through hole ball at last and rotates; Rectilinear when through hole ball and water (flow) direction, under the interaction of valve sealing ring and through hole ball, current are blocked; Signal measurement base table assembly is used the purpose that watchcase cover and following table clamshell are closed, and is to let all signal wires all no longer be exposed to outer and artificially or all of a sudden damaged easily.The opening that the flute profile O-ring seal is put in electronics and the automatically controlled seal box of valve has the top pressure closure of wedge stile through screw electronics and the automatically controlled seal box of valve to be made a seal box that is isolated from the outside fully along also using; Make the automatically controlled part of supplying cell and control circuit board and valve no longer arranged any connection, thereby supplying cell and control circuit board and valve electric control part branch are well protected with the external world.
Description of drawings:
Fig. 1 is a main pseudosection of the present invention
Fig. 2 is the main pseudosection of signal measurement base table assembly
Fig. 3 is the main pseudosection of watchcase
Fig. 4 is the main pseudosection of level electrode assemblies
Fig. 5 is the main pseudosection of electrode shell
Fig. 6 is the vertical view of Fig. 5
Fig. 7 is the main pseudosection of ultrasonic transducer assembly
Fig. 8 is the main pseudosection of transducer fixed cover
Fig. 9 is the vertical view of Fig. 8
Figure 10 is the main pseudosection that the top pressure closure of wedge stile is arranged
Figure 11 is the vertical view of Figure 10
Figure 12 is the front view of flute profile O-ring seal
Figure 13 is the top plan view of Figure 12
Figure 14 is the main pseudosection of pitot tube
Figure 15 is the vertical view of Figure 14
Among the figure: 1, induction pipe; 2, import and export O-ring seal; 3, the automatically controlled O-ring seal of electronics and valve; 4, go up the watchcase cover; 5, supplying cell; The top pressure closure that 6, the wedge stile is arranged; 7, flute profile O-ring seal; 8, temperature probe; 9, motor; 10, battery tamper screw; 11, control circuit board; 12, reduction gearing; 13, gear case cover plate; 14, large sealing packing ring; 15, valve rod; 16, little O-ring seals; 17, output gear; 18, sealing inserts; 19, inserts O-ring seal; 20, outlet; 21, spring sealed circle; 22, valve sealing ring; 23, through hole ball; 24, transducer gland nut; 25, ultrasonic signal line; 26, hardening agent; 27, signal line plate; 28, ultrasound piezoelectric potsherd; 29, transducer fixed cover; 30, pitot tube; 31, level electrode assemblies O-ring seal; 32, conductive electrode; 33, electrode shell; 34, electrode signal line; 35, electrode assembling packing ring; 36, gland nut; 37, watchcase; 38, following table clamshell.
Embodiment:
The present invention is achieved in that it is that watchcase (37) type of making U is tubular; Top, horizontal direction at its U-shaped pipe is done female intake-outlet; A mouth is done the valved tube of adorning through hole ball (23) and seal thereof therein, does female side pipe in the side direction of valved tube; Bottom transverse and water inlet pipe and water outlet pipe direction side by side at its U-shaped pipe have been made the perforation transverse tube; And done internal thread at its two ends; With done the side siphunculus at its transverse tube wall; And done internal thread at this side siphunculus tail end, and done the side siphunculus at the vertical tube side outer wall of its U-shaped pipe, also done internal thread at this side siphunculus tail end.In the perforation transverse tube of U-shaped pipe, be inserted with pitot tube (30), the internal diameter of pitot tube (30) is littler than the bore of importing and exporting, and the sidewall of pitot tube (30) also done side opening, and this side opening is aimed at the side siphunculus endoporus on the horizontal siphunculus.Pack at the two ends of the transverse tube of U-shaped pipe ultrasonic transducer assembly and it being compressed with transducer gland nut (24); The ultrasonic transducer assembly then is that ultrasound piezoelectric potsherd (28) is packed in the transducer fixed cover (29); The electrode of ultrasound piezoelectric potsherd (28) is connected with signal line plate (27) with thin wire; Signal line plate (27) is connected with ultrasonic signal line (25) again, with hardening agent such as epoxy resin (26) space of transducer fixed cover (29) inner tail end is cured sealing then; And transducer fixed cover (29) is the interior sky made from teflon, and wall has been done concavo-convex step or internal thread within it.In the side siphunculus of the vertical tube side outer wall of U-shaped pipe, insert and be fixed with hermetically temperature probe (8).In the side siphunculus of the perforation transverse tube of U-shaped pipe, pack into level electrode assemblies and compress and seal with gland nut (36); Its level electrode assemblies is with the nonmetal electrode shell (33) of making; And one or more pairs of conductive electrodes (32) are housed within it; Conductive electrode (32) is connected with electrode signal line (34), with epoxy resin the space of afterbody in it is cured sealing then.At import and export of watchcase (37) induction pipe (1) of packing into, between it with importing and exporting O-ring seals (2) sealing; Made the spring sealed circle (21) of packing into earlier in the valved tube at another of its watchcase (37); The valve sealing ring (22) of packing into then; The sealing inserts (18) of in the side pipe of valved tube, packing into again valve rod (15) being housed in advance; Seal with inserts O-ring seal (19) between sealing inserts (18) and the valved tube side pipe; Seal with little O-ring seals (16) between valve rod (15) and the sealing inserts (18), afterwards the fluting of through hole ball (23) is inserted in the bottom of valve rod (15), the outlet (20) of packing at last; Sealing between outlet (20) and the watchcase (37) realizes with importing and exporting O-ring seal (2), and packed in advance in the outlet (20) spring sealed circle (21) and valve sealing ring (22); Be connected with output gear (17) in electronics and the automatically controlled seal box of valve (3) at the top of valve rod (15), output gear (17) again with a plurality of reduction gearing (12) engagement, and first order reduction gearing (12) is connected with motor (9); Use the signal measurement base table assembly of making more than watchcase cover (4) and following table clamshell (38) general then wraps up with sealing; At the opening of electronics and the automatically controlled seal box of valve (3) along flute profile O-ring seal (7) is housed, this flute profile O-ring seal (7) with the top pressure closure (6) that the wedge stile is arranged under the compressing of screw with the complete seal box of control circuit board (11) and supplying cell (5) in electronics and the automatically controlled seal box of valve (3).
During use; Current are after the import entering of watchcase (37); Vertical tube along the U-shaped pipe gets into bottom perforation transverse tube again, gets into pitot tube (30) then, because the internal diameter of pitot tube (30) is littler than the bore of the import and export of watchcase (37); So water flow velocity all will improve a lot; And be fixed in connect the transverse tube two ends the ultrasonic transducer assembly over against axis in pitot tube (30), so ultrasound wave water meter and the measured hyperacoustic propagation time difference of heat energy table are increased greatly, thereby its measuring accuracy and sensitivity are improved greatly.
The transducer fixed cover (29) of ultrasonic transducer assembly is made with polytetrafluoroethylmaterial material; Mainly be in order to prevent above that scaling and to gather rust deposite; Because this material of teflon is because very fine and smooth and can not pile up incrustation scale and rust deposite, thereby prolonged the normal serviceable life of its water meter made and heat energy table greatly; In its transducer fixed cover (29), doing irregular step or internal thread, mainly is for hardening agent (26) such as injection ring epoxy resins in it and after solidifying, and improves the adhesion of hardening agent (26) and its transducer fixed cover (29).The purpose of inserting temperature probe (8) at the vertical tube place of the U-shaped pipe of watchcase (37) is in order to measure the temperature of the current of the heat energy table of flowing through in real time, so that calculate the employed thermal energy of user.In the side siphunculus of the perforation transverse tube of the U-shaped pipe of watchcase bottom, insert the level electrode assemblies two purposes are arranged: one of which, fixing pitot tube (30) can not be pushed it and is shifted under the streamflow regime of high speed; Its two, be the state of not conducting each other when exposing electrode in pitot tube (30) at anhydrous state; And when in pitot tube (30), being full of water, will become the state of mutual conduction between the electrode through water, control circuit board (11) just can judge whether this water meter or heat energy table are in normal installation water flowing state through these two states.The through hole ball accessories such as (23) of in valved tube, packing into mainly is in order to form valve.After the preset value in the table uses up; Automatically controlled circuit board (11) promptly provides the electric current of a direction to motor (9); Motor (9) rotates and drives reduction gearing (12) rotation, drives valve rod (15) through output gear (17) afterwards and rotates, and drives through hole ball (23) at last and rotates; Rectilinear when through hole ball (23) and water (flow) direction, under the interaction of valve sealing ring (22) and through hole ball (23), current are blocked; Signal measurement base table assembly is used the purpose that watchcase cover (4) and following table clamshell (38) are closed, and is to let all signal wires all no longer be exposed to outer and artificially or all of a sudden damaged easily.The opening that flute profile O-ring seal (7) is put in electronics and the automatically controlled seal box of valve (3) has the top pressure closure (6) of wedge stile through screw electronics and the automatically controlled seal box of valve (3) to be made a seal box that is isolated from the outside fully along also using; Make supplying cell (5) and control circuit board (11) and the automatically controlled part of valve no longer arranged any connection, thereby supplying cell (5) and control circuit board (11) and valve electric control part branch are well protected with the external world.
Claims (2)
1. ultrasound I C card water meter and heat energy table; It is characterized in that: type of making U is tubular with watchcase (37); In the perforation transverse tube of U-shaped pipe, be inserted with pitot tube (30), the ultrasonic transducer assembly of packing at the two ends of the transverse tube of U-shaped pipe is at import and export of watchcase (37) induction pipe (1) of packing into; Made the spring sealed circle (21) of packing into earlier in the valved tube at another of its watchcase (37); The valve sealing ring (22) of packing into then, the sealing inserts (18) of in the side pipe of valved tube, packing into valve rod (15) being housed in advance is equipped with little O-ring seals (16) on valve rod (15); Afterwards the fluting of through hole ball (23) is inserted in the bottom of valve rod (15); The outlet (20) of packing at last, in outlet (20), packed into spring sealed circle (21) and valve sealing ring (22), use then watchcase cover (4) and following table clamshell (38) will more than the signal measurement base table assembly made be closed; Flute profile O-ring seal (7) is equipped with on opening edge at electronics and the automatically controlled seal box of valve (3), and this flute profile O-ring seal (7) uses the top pressure closure (6) that the wedge stile is arranged with its sealing.
2. ultrasound I C card water meter according to claim 1 and heat energy table; It is characterized in that: the top, horizontal direction at its U-shaped pipe is done female intake-outlet; A mouth is done the valved tube of adorning through hole ball (23) and seal thereof therein, does female side pipe in the side direction of valved tube; Bottom transverse and water inlet pipe and water outlet pipe direction side by side at its U-shaped pipe have been made the perforation transverse tube; And done internal thread at its two ends; With done the side siphunculus at its transverse tube wall; And done internal thread at this side siphunculus tail end, and done the side siphunculus at the vertical tube side outer wall of its U-shaped pipe, also done internal thread at this side siphunculus tail end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210248580.7A CN102789662B (en) | 2012-07-18 | 2012-07-18 | Ultrasound I C card water meter and heat energy meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210248580.7A CN102789662B (en) | 2012-07-18 | 2012-07-18 | Ultrasound I C card water meter and heat energy meter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102789662A true CN102789662A (en) | 2012-11-21 |
| CN102789662B CN102789662B (en) | 2016-05-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210248580.7A Active CN102789662B (en) | 2012-07-18 | 2012-07-18 | Ultrasound I C card water meter and heat energy meter |
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| Country | Link |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106652211A (en) * | 2016-12-21 | 2017-05-10 | 杨启梁 | Smart card water meter |
| EP3449224B1 (en) * | 2016-04-28 | 2022-04-06 | Kamstrup A/S | A water meter platform |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3643955B1 (en) * | 2018-10-26 | 2022-10-19 | REHAU Industries SE & Co. KG | Shut-off valve for installation in a conduit system for a medium, especially in a building installation |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201993839U (en) * | 2011-02-24 | 2011-09-28 | 河南新天科技股份有限公司 | Large-diameter wireless ultrasonic heat meter and IC card controller |
| CN202120358U (en) * | 2011-03-05 | 2012-01-18 | 赵凤兴 | Ultrasonic prepay heat meter |
| JP2012116517A (en) * | 2010-11-30 | 2012-06-21 | Fuji Electric Retail Systems Co Ltd | Beverage supplying device |
-
2012
- 2012-07-18 CN CN201210248580.7A patent/CN102789662B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012116517A (en) * | 2010-11-30 | 2012-06-21 | Fuji Electric Retail Systems Co Ltd | Beverage supplying device |
| CN201993839U (en) * | 2011-02-24 | 2011-09-28 | 河南新天科技股份有限公司 | Large-diameter wireless ultrasonic heat meter and IC card controller |
| CN202120358U (en) * | 2011-03-05 | 2012-01-18 | 赵凤兴 | Ultrasonic prepay heat meter |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3449224B1 (en) * | 2016-04-28 | 2022-04-06 | Kamstrup A/S | A water meter platform |
| EP4036531A1 (en) * | 2016-04-28 | 2022-08-03 | Kamstrup A/S | A water meter platform |
| EP4043840A1 (en) * | 2016-04-28 | 2022-08-17 | Kamstrup A/S | A water meter platform |
| CN106652211A (en) * | 2016-12-21 | 2017-05-10 | 杨启梁 | Smart card water meter |
| CN106652211B (en) * | 2016-12-21 | 2019-02-22 | 杨启梁 | Smart card water meter |
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| Publication number | Publication date |
|---|---|
| CN102789662B (en) | 2016-05-04 |
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Denomination of invention: Ultrasonic IC card water meter and heat meter Effective date of registration: 20220118 Granted publication date: 20160504 Pledgee: Agricultural Bank of China Limited Changde branch Pledgor: HUNAN CHANGDE WATER METER MANUFACTURE Co.,Ltd. Registration number: Y2022980000559 |
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