CN1884981A - Down-lead type leakproof toothless base meter of digital water meter - Google Patents
Down-lead type leakproof toothless base meter of digital water meter Download PDFInfo
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- CN1884981A CN1884981A CN 200610047176 CN200610047176A CN1884981A CN 1884981 A CN1884981 A CN 1884981A CN 200610047176 CN200610047176 CN 200610047176 CN 200610047176 A CN200610047176 A CN 200610047176A CN 1884981 A CN1884981 A CN 1884981A
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Abstract
The invention relates to a lower guide anti-leak toothless digit water meter base meter, which is characterized in that: it is formed by lower guide anti-leak device, an electret sensor, and an electromagnetic guide valve; the frame is made from stainless steel which comprises front and back chambers; two chambers are through; the upper open is arranged with inner screw; two ends are arranged with outer screw; the upper part of front chamber is arranged with electret sensor, while the lower part is arranged with lower guide anti-leak device; the back chamber is arranged with electromagnetic guide valve. The invention changes the structure of former fordman water meter; the lower guide anti-leak device is arranged with gravity valve porous accelerate anti-leak device; the electromagnetic guide valve is arranged with entrance water porous self dredge, with simple structure and lower weight, to improve the sensitivity and accuracy of water meter; and the minimum flux can be controlled under 2l/hour.
Description
Technical field
The invention belongs to fluid control field, relate to a kind of energy saving and environment friendly Electromechanical Design that adopts, can be widely used in the down-lead type leakproof toothless base meter of digital water meter of various cold water meters, hot water gauge, heat energy table, IC-card intelligence table, Long-distance Control water meter.
Background technology
At present, the water meter of widespread usage also all is the graceful formula water meter of volt of invention before 100 years both at home and abroad, though on material, improve to some extent for many years, on precision, increase, but all fundamentally do not change its original structure, have that measuring accuracy is low, complex structure, volume are big, letter disk show directly perceived, the initiating flow is big, be difficult to reach minimum flow qmin＜6 liter/hour, under the situation of water quality inferiority, be prone to defective such as mechanical fault.China is the country that freshwater resources lack, particularly western, northern territory, and along with the high speed development of industrial or agricultural, the continuous increase of urbanite water consumption amount, imbalance between supply and demand becomes increasingly conspicuous, and water price is also rising steadily.Small number of users is utilized the big shortcoming low discharge stolen water of conventional water meter initiating flow, causes damage to water-supplying unit.Present many cities all at development IC-card intellectual water meter, Long-distance Control water meter with the check meter problem of difficulty, difficult charge of solution, but all adopt conventional water meter as base table, adopt magnetic sensor and electrical ball valve and electronic pilot valve, counting device is dial type and display panel and uses, the IC-card intellectual water meter of producing, Long-distance Control water meter are difficult to apply owing to there are shortcomings such as precision is low, the initiating flow is big, failure rate is high, cost height.
Summary of the invention
The present invention has overcome the defective of above-mentioned existence, purpose provides a kind of energy saving and environment friendly Electromechanical Design that adopts, and can be widely used in the down-lead type leakproof toothless base meter of digital water meter of various cold water meters, hot water gauge, heat energy table, IC-card intelligence table, Long-distance Control water meter.
Down-lead type leakproof toothless base meter of digital water meter content Description of the present invention:
Down-lead type leakproof toothless base meter of digital water meter of the present invention is characterized in that: be made up of the following water conservancy diversion leak-proof device that is provided with in watchcase, electret transducer and electromagnetic priority valve three parts; Watchcase adopts the stainless steel precision casting to be processed into, two cavitys before and after inside has, and front and back two cavitys communicate, the place is provided with internal thread at upper opening, and two ends are provided with external thread, on the top of preceding cavity electret transducer is set, the bottom is provided with down the water conservancy diversion leak-proof device, and electromagnetic priority valve is set in rear chamber.
Kuppe on the following water conservancy diversion leak-proof device is round barrel shape, top and the tipping of kuppe loam cake, and the cavity of formation is an impeller cavity, is provided with serious offense filter screen and little screen pack, inlet opening, gravity spool, pod apertures in the bottom, sidewall is provided with side water conservancy diversion aperture, apopore; The kuppe loam cake is in the form of annular discs, following and kuppe tipping, and top is fixed on the watchcase, and the bottom is provided with central shaft hole; Ring-shaped magnet is tubular, and magnetic pole is laterally, be fixed on impeller above, central shaft hole is divided into two up and down, lower shaft is fixed on pod apertures cover plate center, the top be conical, last top that is fixed on impeller; The watchcase capping has former and later two, cavity before the protecgulum sealing, and fixing kuppe loam cake, leave the hole that electret transducer is installed at the middle part, bonnet sealing rear chamber, and Motionless electromagnetic pilot valve, leave wire guide at the middle part, by interface and inner each chamber of O shape sealing rubber ring sealing watchcase.
In the electret transducer housing, fixedly form by upper and lower two housings, the bottom is provided with adjusting screw, top is provided with three leads, be the line that connects electret induction triode and instrument bin, escapement is fixed on the central shaft, and two electrets are housed above the escapement, electret is sticking two electret films that are fixed on the escapement copper band that are contained in, ring-shaped magnet is housed below escapement, and ring-shaped magnet is cylindrical, lateral pole; Central shaft is that the lower end is tapered, withstands on the jewel bearing, and jewel bearing is contained in the center pit of adjusting screw; Two electret induction triodes in the circuit board are welded, be two lines of induction that form by P.e.c. below, receiving induction pole with electret induction triode links to each other, one utmost point and the output lead of electret induction triode are connected to single-chip microcomputer, and the 3rd utmost point and the ground wire lead of electret induction triode are connected to instrument bin; Last sealing cap is fixed on the top of electret transducer housing.
The inside of electromagnetic pilot valve chest is a cavity, the bottom is provided with leather cup paddle hole and rubber sealing leather cup, below rubber sealing leather cup, be provided with apopore, it is the apopore of watchcase rear chamber, electromagnetic generator is fixed on the bottom of electromagnetic pilot valve chest, in coil is arranged, be connected with power lead, power lead is connected with instrument bin again, inner form tubulose stick up the bar slideway, the magnet sliding axle is housed sticking up on the bar slideway, magnet is equipped with at magnet sliding axle rear portion, the front portion is the sheet hook, hooks the lever arm of spring; Sealing is housed on the bar central shaft sticks up bar sticking up, be provided with the rubber packing in the two side holes of bar is stuck up in sealing, an end of pressure spring is contained on the spring base that is fixed on the electromagnetic priority valve housing bottom, and sealing is stuck up bar and is pressed in and sticks up on the bar slideway.
Down-lead type leakproof toothless base meter of digital water meter of the present invention has changed the graceful formula water meter one-piece construction of volt, promotes the impeller technology for downward type arc hole outwards produces circulation, shows water consumption with electret transducer, single-chip microcomputer calculating, display screen; Be provided with weight valve aperture speedup leak-proof device in the guiding device down; In electromagnetic priority valve, be provided with the Inlet and outlet water aperture from dredger, have simple in structure, characteristics such as volume is little, in light weight, poor to water quality requirement, long service life, failure rate are low, good stability, the sensitivity and the precision of water meter have been improved greatly, antidrip is effective, and minimum flow can be controlled at qmin＜2 liter/hour.Save electric energy, 3 volts of lithium batteries of a joint can guarantee that whole table work is more than 6 years.Antijamming capability is strong, and very strong diamagnetic attacking ability is arranged.Can be widely used in various cold water meters, hot water gauge, heat energy table, IC-card intelligence table, Long-distance Control water meter.
Description of drawings
Fig. 1 is a down-lead type leakproof toothless base meter of digital water meter one-piece construction synoptic diagram
Fig. 2 is pod apertures water (flow) direction figure
Fig. 3 is the electret transducer structural representation
Fig. 4 is the electromagnetic priority valve vertical view
Fig. 5 is electromagnetic priority valve side-looking and opening figure
Fig. 6 is electromagnetic priority valve closed condition figure
Fig. 7 is a skirt-type vane water meter structural representation
Fig. 8 is the structural representation that installs downward type leakproof base table on common multithread Shu Shuibiao additional.
Embodiment
Down-lead type leakproof toothless base meter of digital water meter of the present invention has changed the graceful formula water meter one-piece construction of volt, is made up of the following water conservancy diversion leak-proof device 4, electret transducer 12 and electromagnetic priority valve 13 3 parts that are provided with in watchcase 1; The inside current of original side water conservancy diversion inclined hole are promoted impeller, change into downward type arc hole and outwards produce the design that circulation promotes impeller, and adopt electret transducer, single-chip microcomputer calculating, display screen to show water consumption; Be provided with weight valve aperture speedup leak-proof device in the guiding device down; Being provided with the Inlet and outlet water aperture in electromagnetic priority valve is achieved in that to do below in conjunction with accompanying drawing from dredger and specifies.
See Fig. 1 down-lead type leakproof toothless base meter of digital water meter one-piece construction synoptic diagram and Fig. 2 pod apertures water (flow) direction figure, among the figure: the 1st, watchcase, the 2nd, kuppe, the 3rd, kuppe loam cake, the 4th, following water conservancy diversion leak-proof device, the 5th, impeller, the 6th, side water conservancy diversion aperture, the 7th, inlet opening, the 8th, apopore, the 9th, gravity spool, the 10th, central shaft hole, the 11st, ring-shaped magnet, the 12nd, electret transducer, the 13rd, electromagnetic priority valve, the 14th, watchcase capping, the 15th, O shape sealing rubber ring, the 16th, pod apertures, the 17th, serious offense filter screen, the 18th, little screen pack.
In watchcase 1, be provided with electret transducer 12, following water conservancy diversion leak-proof device 4, electromagnetic priority valve 13 3 parts; Watchcase 1 adopts the stainless steel precision casting to be processed into, two cavitys before and after inside has, front and back two cavitys communicate, the place is provided with internal thread at upper opening, two ends are provided with external thread, on the top of preceding cavity electret transducer 12 is set, the bottom is provided with down water conservancy diversion leak-proof device 4, and electromagnetic priority valve 13 is set in rear chamber.
Kuppe 2 on the following water conservancy diversion leak-proof device 4 is round barrel shape, top and 3 tippings of kuppe loam cake, the cavity that forms is an impeller cavity, is provided with serious offense filter screen 17 and small offence filter screen 18, inlet opening 7, gravity spool 9, pod apertures 16 in the bottom, and sidewall is provided with side water conservancy diversion aperture 6, apopore 8.Kuppe loam cake 3 is in the form of annular discs, following and kuppe 2 tippings, and top is fixed on the watchcase 1, and the bottom is provided with central shaft hole 10.Ring-shaped magnet 11 is tubular, and magnetic pole is laterally, be fixed on impeller 5 above, central shaft hole 10 is divided into two up and down, lower shaft is fixed on pod apertures 16 cover plate centers, the top be conical, last top that is fixed on impeller 5 can be carried out spacing to impeller 5.Watchcase capping 14 has former and later two, and cavity before the protecgulum sealing, and fixing kuppe loam cake 3 leave the hole that electret transducer 12 is installed at the middle part, and bonnet sealing rear chamber, and Motionless electromagnetic pilot valve 13 leave wire guide at the middle part.Interface and inner each chamber by O shape sealing rubber ring 15 sealing watchcases 1.
Current enter the water meter ante-chamber, enter inlet opening 7 by serious offense filter screen 17, under the effect of hydraulic pressure, gravity spool 9 is upwards waved, and open inlet opening 7, and current enter pod apertures 16, water behind the shunting water conservancy diversion enters in the impeller cavity, and the circulation that forms rotation at the chamber wall promotes impeller 5 rotations.Under the situation of miniflow, current can not make gravity spool 9 upwards wave, and the spool that descends slowly and lightly is sealed the inlet opening, and inlet opening 7 is closed, and the current of trace can only enter pod apertures 16 by small offence filter screen 18 and enter in the impeller cavity, directly promote impeller 5 and rotate.The current that promote impeller 5 under the effect of electromagnetic priority valve 13, carry out switch control to the current of flowing through after apopore 8 enters the valve cavity of electromagnetic priority valve 13.
See that Fig. 3 is the electret transducer structural representation, electret transducer 12 is by: electret transducer housing 19, escapement 20, central shaft 21, electret 22, wiring board 23, electret induction triode 24, ring-shaped magnet 25, jewel bearing 26, adjusting screw 27, go up sealing cap 28, lead 29 constitutes, in electret transducer housing 19, fixedly form by upper and lower two housings, the bottom is provided with adjusting screw 27, top is provided with three leads 29, is the line that connects electret induction triode 24 and instrument bin.Escapement 20 is fixed on the central shaft 21, and two electrets 22 are housed above the escapement 20, and electret 22 is to glue to be contained in two electret films that are fixed on escapement 20 copper bands, and ring-shaped magnet 25 is housed below escapement 20, and ring-shaped magnet 25 is cylindrical, lateral pole; Central shaft 21 is that the lower end is tapered, withstands on the jewel bearing 26, and jewel bearing 26 is contained in the center pit of adjusting screw 27, and escapement 20 is freely rotated, and adjusting screw 27 can be adjusted the distance between escapement 20 and the wiring board 23.Two electret induction triodes 24 are welded on wiring board 23, be two lines of induction that form by P.e.c. below, receiving induction pole with electret induction triode 24 links to each other, one utmost point and the output lead of electret induction triode 24 are connected to single-chip microcomputer, and the 3rd utmost point and the ground wire lead of electret induction triode 24 are connected to instrument bin.Last sealing cap 28 is fixed on the top of electret transducer housing 19, is used for sealing and protection central shaft 21.
Electret transducer is to utilize electret 22 sound principle of induction, the electret film of handling through polarization, can because of with the variable in distance of electret induction triode 24 induction pole, produce different continuous electric pulse signals.Electret film is moved up and down under the effect of sound, change electret film into and rotate transverse movement, the distance of the receiving pole of electret induction triode 24 is changed.Because magnet ring on the impeller 5 and the magnet ring linkage on the escapement 20, impeller 5 rotating band movable pendulum wheel 20 under the effect of current rotates with electret 22, constantly approaching with away from the line of induction, reach the purpose of variable in distance.Impeller 5 revolutions are moving can to obtain a pulse signal once week, thereby reaches the purpose of metered flow.The design of two electret induction duotriodes, two lines of induction can be avoided occurring because of escapement vibrates the signal error that causes, two electrets can improve measuring accuracy.
See Fig. 4 electromagnetic priority valve vertical view, side-looking of Fig. 5 electromagnetic priority valve and opening figure, Fig. 6 electromagnetic priority valve closed condition figure, electromagnetic priority valve is by electromagnetic pilot valve chest 30, electromagnetic generator 31, magnet sliding axle 32, bar 33 is stuck up in sealing, rubber packing 34, stick up bar slideway 35, pressure spring 36, spring base 37, stick up bar central shaft 38, stick up bar axle bed 39, water inlet aperture 40, ostium excurrens 41, rubber sealing leather cup 42, leather cup paddle hole 43, apopore 44, power lead 45 constitutes, the inside of electromagnetic pilot valve chest 30 is cavitys, the bottom is provided with leather cup paddle hole 43 and rubber sealing leather cup 42, below rubber sealing leather cup 42, be provided with apopore 44, it is the apopore of watchcase 1 rear chamber, electromagnetic generator 31 is fixed on the bottom of electromagnetic pilot valve chest 30, in coil is arranged, be connected with power lead 45, power lead 45 is connected with instrument bin again, can produce magnetic force during energising, inner form tubulose stick up bar slideway 35, magnet sliding axle 32 is housed sticking up on the bar slideway 35, at the rear portion of sticking up bar slideway 35 magnet is housed, the front portion has hook plate, can hook pressure spring 36 front and back and be free to slide.Sealing is housed on the bar central shaft 38 sticks up bar 33 sticking up, tilting up and down, in sticking up the two side holes of bar 33, sealing is provided with rubber packing 34, the effect of location is arranged pressure spring 36 at the top of rubber packing 34, the bottom of rubber packing 34 is fixed with thin stainless steel wire, inserts water inlet aperture 40, ostium excurrens 41 downwards.Water inlet aperture 40, ostium excurrens 41 can stick up bar 33 motions with sealing.One end of pressure spring 36 is contained on the spring base 37 that is fixed on electromagnetic pilot valve chest 30 bottoms, and sealing is stuck up bar 33 and is pressed in and sticks up on the bar slideway 35, can slide before and after sticking up on the bar slideway 35 with magnet sliding axle 32.
After the power supply moment connection, electromagnetic generator 31 solenoids produce magnetic force, the magnetic pole of coil is identical with magnet sliding axle 32 magnetic poles, and magnet sliding axle 32 drives pressure spring 36 and moves backward, under the effect of pressure spring 36, sealing is stuck up bar 33 and is moved downward, dredge once, rubber packing 34 is sealed into water aperture 40, simultaneously under the situation of outage, pressure spring 36 is located in the end points under the slope, and ostium excurrens 41 is opened simultaneously.Under the effect of hydraulic pressure, the motion of upwards upspringing of rubber sealing leather cup 42, water in rubber sealing leather cup 42 chambeies is extruded, flow in the cavity of electromagnetic pilot valve chest 30, discharge the rear chamber of watchcase 1 by the ostium excurrens of opening 41, electromagnetic priority valve is opened, because current produce negative pressure to ostium excurrens 41, guarantees that rubber sealing leather cup 42 is in opening.The conversion electric power reversing switch, current reversal moment flows, the magnetic pole of coil is opposite with magnet sliding axle 32 magnetic poles, magnet sliding axle 32 drives pressure spring 36 to front slide, bar 33 downward tilting under the effect of pressure spring 36 is stuck up in sealing, and rubber packing 34 sealing ostium excurrenses 41 are under the situation of outage, pressure spring 36 is located in the end points under the slope, and water inlet aperture 40 is opened simultaneously.Under the effect of current, rubber sealing leather cup 42 belows produce negative pressure, rubber is sealed leather cup 42 to be inhaled downwards to apopore 44, form negative pressure in the cavity of electromagnetic pilot valve chest 30, current are by in the cavity of water inlet aperture 40 inflow electromagnetic pilot valve chests 30 and in rubber sealing leather cup 42 cavitys, and electromagnetic priority valve is in closed condition.
See Fig. 7 skirt-type vane water meter structural representation, the present invention is applicable to the water meter higher to accuracy requirement, adopts skirt-type vane water meter structural design, and its impeller 5 is the skirt-type impeller, makes down water conservancy diversion become the form of local interior water conservancy diversion.Current enter the inlet opening, valve open, and current from inside to outside directly promote wheel rotation through pod apertures shunting down, can further improve the sensitivity of impeller 5.
See that Fig. 8 is the structural representation that installs downward type leakproof base table on common multithread Shu Shuibiao additional, under the constant situation of the inner structure of common multithread Shu Shuibiao, increase water conservancy diversion leak-proof device 4, gravity spool 9 and side water conservancy diversion aperture 6 down.When current enter the inlet opening, promote gravity spool 9 and upwards wave, valve open, current are through pod apertures outflow down, and continuation approaching side water conservancy diversion aperture 6 promotes impeller 5 and rotates.Current through down pod apertures and side water conservancy diversion aperture flow out have stability preferably, reduced turbulent flow appearance, the sensitivity that has improved impeller 5.When the rill miniflow, valve closing, current can only flow out by side water conservancy diversion aperture, and promote impeller 5 rotations.Because gravity spool 9 adopts atresia not have a technology, porose leakage that is prone to of axle and stuck phenomenon have been avoided having, initiating flow and failure rate have been reduced, the error of each flow section of water meter that tradition is used is mostly in Gao Qu ± 2%, low district about ± 5%, and the initiating flow is lower than the boundary flow, the present invention can carry the calculated flow rate of high low area, therefore also can partly revise the trueness error in low district.
Claims (6)
1, a kind of down-lead type leakproof toothless base meter of digital water meter is characterized in that: be made up of the following water conservancy diversion leak-proof device (4), electret transducer (12), electromagnetic priority valve (13) three parts that are provided with in watchcase (1); Watchcase (1) adopts the stainless steel precision casting to be processed into, two cavitys before and after inside has, front and back two cavitys communicate, the place is provided with internal thread at upper opening, two ends are provided with external thread, electret transducer (12) is set on the top of preceding cavity, and the bottom is provided with down water conservancy diversion leak-proof device (4), and electromagnetic priority valve (13) is set in rear chamber.
2, down-lead type leakproof toothless base meter of digital water meter according to claim 1, it is characterized in that: the kuppe (2) on the described water conservancy diversion leak-proof device (4) down is round barrel shape, top and kuppe loam cake (3) tipping, the cavity that forms is an impeller cavity, be provided with serious offense filter screen (17) and little screen pack (18), inlet opening (7), gravity spool (9), pod apertures (16) in the bottom, sidewall is provided with side water conservancy diversion aperture (6), apopore (8); Kuppe loam cake (3) is in the form of annular discs, bottom and kuppe (2) tipping, and top is fixed on the watchcase (1), and the bottom is provided with central shaft hole (10); Ring-shaped magnet (11) is tubular, and magnetic pole is laterally, be fixed on impeller (5) above, central shaft hole (10) is divided into two up and down, lower shaft is fixed on pod apertures (16) cover plate center, the top be conical, last top that is fixed on impeller (5); Watchcase capping (14) has former and later two, cavity before the protecgulum sealing, and fixing kuppe loam cake (3), leave the hole that electret transducer (12) is installed at the middle part, bonnet sealing rear chamber, and Motionless electromagnetic pilot valve (13), leave wire guide at the middle part, by interface and inner each chamber of O shape sealing rubber ring (15) sealing watchcase (1).
3, down-lead type leakproof toothless base meter of digital water meter according to claim 1, it is characterized in that: in electret transducer housing (19) by last, following two housings are fixing to be formed, the bottom is provided with adjusting screw (27), top is provided with three leads (29), it is the line that connects electret induction triode (24) and instrument bin, escapement (20) is fixed on the central shaft (21), two electrets (22) are housed above the escapement (20), electret 22 is sticking two electret films that are fixed on escapement (20) copper band that are contained in, ring-shaped magnet (25) is housed below escapement (20), ring-shaped magnet (25) is cylindrical, lateral pole; Central shaft (21) is that the lower end is tapered, withstands on the jewel bearing (26), and jewel bearing (26) is contained in the center pit of adjusting screw (27); Two electret induction triodes (24) are welded on wiring board (23), be two lines of induction that form by P.e.c. below, receiving induction pole with electret induction triode (24) links to each other, one utmost point and the output lead of electret induction triode (24) are connected to single-chip microcomputer, and the 3rd utmost point and the ground wire lead of electret induction triode (24) are connected to instrument bin; Last sealing cap (28) is fixed on the top of electret transducer housing (19).
4, down-lead type leakproof toothless base meter of digital water meter according to claim 1, it is characterized in that: the inside of electromagnetic pilot valve chest (30) is a cavity, the bottom is provided with leather cup paddle hole (43) and rubber sealing leather cup (42), below rubber sealing leather cup (42), be provided with apopore (44), it is the apopore of watchcase (1) rear chamber, electromagnetic generator (31) is fixed on the bottom of electromagnetic pilot valve chest (30), in coil is arranged, be connected with power lead (45), power lead (45) is connected with instrument bin again, inner form tubulose stick up bar slideway (35), magnet sliding axle (32) is housed sticking up on the bar slideway (35), at the rear portion of sticking up bar slideway (35) magnet is housed, the front portion has hook plate, can hook pressure spring ((36)) front and back and be free to slide; Sealing is housed on the bar central shaft (38) sticks up bar (33) sticking up, in sticking up the two side holes of bar (33), sealing is provided with rubber packing (34), one end of pressure spring (36) is contained on the spring base (37) that is fixed on electromagnetic pilot valve chest (30) bottom, and sealing is stuck up bar (33) and is pressed in and sticks up on the bar slideway (35).
5, down-lead type leakproof toothless base meter of digital water meter according to claim 1 is characterized in that: its impeller (5) is the skirt-type impeller.
6, down-lead type leakproof toothless base meter of digital water meter according to claim 1 is characterized in that: under the constant situation of the inner structure of common multithread Shu Shuibiao, increase water conservancy diversion leak-proof device (4), gravity spool (9) and side water conservancy diversion aperture (6) down.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610047176 CN1884981A (en) | 2006-07-08 | 2006-07-08 | Down-lead type leakproof toothless base meter of digital water meter |
| CNB2007100041389A CN100449273C (en) | 2006-07-08 | 2007-01-01 | Inner guide multifunction digital water meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610047176 CN1884981A (en) | 2006-07-08 | 2006-07-08 | Down-lead type leakproof toothless base meter of digital water meter |
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| Publication Number | Publication Date |
|---|---|
| CN1884981A true CN1884981A (en) | 2006-12-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200610047176 Pending CN1884981A (en) | 2006-07-08 | 2006-07-08 | Down-lead type leakproof toothless base meter of digital water meter |
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| CN (1) | CN1884981A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105547392A (en) * | 2016-01-13 | 2016-05-04 | 郭岩冰 | Intelligent integrated sliding-rod valve flowmeter |
| CN106017578A (en) * | 2016-07-06 | 2016-10-12 | 孙恩新 | Full-digital waterproof intelligent water meter with high-precision radio frequency card |
-
2006
- 2006-07-08 CN CN 200610047176 patent/CN1884981A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105547392A (en) * | 2016-01-13 | 2016-05-04 | 郭岩冰 | Intelligent integrated sliding-rod valve flowmeter |
| CN105547392B (en) * | 2016-01-13 | 2018-08-24 | 郭岩冰 | A kind of intelligent integrated slide bar valve flow meter |
| CN106017578A (en) * | 2016-07-06 | 2016-10-12 | 孙恩新 | Full-digital waterproof intelligent water meter with high-precision radio frequency card |
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