CN101000254A - Inner guide multifunction digital water meter - Google Patents
Inner guide multifunction digital water meter Download PDFInfo
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- CN101000254A CN101000254A CN 200710004138 CN200710004138A CN101000254A CN 101000254 A CN101000254 A CN 101000254A CN 200710004138 CN200710004138 CN 200710004138 CN 200710004138 A CN200710004138 A CN 200710004138A CN 101000254 A CN101000254 A CN 101000254A
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Abstract
The invention relates to inner guiding multifunctional digital water meter adopted energy saving and green mechanical-electrical integration design. Its features are that it adopts dry type inner flow guiding, liquid crystal digital screen single display, and sets inner flow guiding and gravity valve eyelet-hole jetting dripping proof device, buoyancy force breather valve device, electromagnetism guiding valve device, and electrical effect transducer. It has the advantages of simple structure, small volume, light weight, long useful life, low failure rate, good stability etc. It can greatly increase water meter sensitivity and precision, control minimum flow rate at 0.003m3 per hour, breakaway flow rate at 0.003m3 per hour. Thus it can be widely used in varieties of cold water meter, hot water meter, heat energy meter, IC card intelligent meter, remote control water meter.
Description
Technical field
The invention belongs to fluid control metering field; relate to a kind of energy-conserving and environment-protective Electromechanical Design of adopting; can be widely used in various cold water meters, hot water gauge, heat energy table, IC-card intelligence table, Long-distance Control water meter, particularly a kind of inner guide multifunction digital 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, mechanical fault height, defectives such as anhydrous air flow mistake metering.China is the country, particularly China western part, northern territory that World Freshwater Resources lacks, 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.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.In order to solve the difficulty of checking meter, the problem of difficult charge, popularization plan of IC-card intellectual water meter and all-purpose card plan have all been formulated in each big and medium-sized cities, the whole nation, domestic relevant R﹠D institution develops and has developed the IC-card intellectual water meter of multiple model, but all adopt old-fashioned conventional water meter as base table, install magnetic sensor additional, the single-chip microcomputer instrument bin, electrical ball valve and liquid crystal indicator, the IC-card intellectual water meter of producing is owing to exist measuring accuracy low, display precision is low, the initiating flow is big, the valve closing leakage rate is big, the power consumption height, the failure rate height, shortcomings such as cost height are difficult to popularize in an all-round way application on a large scale.
Summary of the invention
The present invention has overcome the defective of above-mentioned existence, and purpose provides a kind of energy-conserving and environment-protective Electromechanical Design that adopts, and can be widely used in the inner guide multifunction digital water meter of various cold water meters, hot water gauge, heat energy table, IC-card intelligence table, Long-distance Control water meter.
Inner guide multifunction digital water meter content Description of the present invention:
Inner guide multifunction digital water meter of the present invention, it is characterized in that: water conservancy diversion, the single demonstration of liquid crystal digital screen in the inner guide multifunction digital water meter employing dry type, and be provided with interior water conservancy diversion and weight valve orifice jet antidrip device, buoyancy breather valve device, electromagnetic pilot valve gear and field effect sensor.
Interior water conservancy diversion and weight valve orifice jet antidrip device, it is the big inlet opening 7 that is provided with by in kuppe 5, little inlet opening 8, big pod apertures 9, little pod apertures 10, gravity valve pocket 11 and gravity spool 12 are formed, the top of kuppe 5 is fixed in the watchcase 1 by gland 2, be provided with big inlet opening 7 in the bottom of kuppe 5, little inlet opening 8 and gravity valve pocket 11, top is provided with impeller cavity apopore 16, impeller 14 is housed in impeller cavity 13,13 times logical big pod apertures 9 of impeller cavity, little pod apertures 10, go up logical impeller cavity apopore 16, impeller cavity apopore 16 is arranged on a plurality of inclined holes of kuppe 5 upper lateral parts; Big inlet opening 7 times water flowing tables ante-chamber 4, upward logical gravity valve pocket 11, little inlet opening 8 times water flowing tables ante-chamber 4, upward logical little pod apertures 10; Gravity valve pocket 11 is arranged on the circular cylindrical cavities of big 7 tops, inlet opening in the kuppe 5, its down logical big inlet opening 7, logical outward big pod apertures 9, in gravity spool 12 is housed, gravity spool 12 is strengthened for disk, is provided with the branch flow cone in the center of bottom.
Buoyancy breather valve device: be to be provided with breather valve air admission hole 19 for the pipe shape at upper side by the buoyancy ventilation valve body that on watchcase 1, is provided with 18, the top is provided with breather valve vent port 20, the bottom is provided with breather valve inlet opening 21, the centre is the ventilation valve pocket, buoyancy ventilation valve body 18 is fixed on the housing of watchcase 1, breather valve air admission hole 19 outer water flowing table ante-chambers 4, in air valve chamber all, breather valve vent port 20 times is the air valve chamber all, last water flowing table back cavity 23, water meter back cavity 23 is the cavitys that formed by the water meter case rear portion, and upward logical impeller cavity apopore 16 is divided into water meter back cavity apopore 43, breather valve inlet opening 21 outer water flowing table ante-chambers 4, on air valve chamber all, ventilation spool 22 is housed in the ventilation valve pocket, ventilation spool 22 is right cylinders of a hollow.
Electromagnetic pilot valve body 24 in the electromagnetic pilot valve gear is fixed on watchcase 1 top by gland 2,25 times logical leather cups of the electromagnetic pilot valve pocket chamber 40 that in electromagnetic pilot valve body 24, forms, outer water flowing table ante-chamber 4 and drainpipe 44, the electromagnetic priority valve water-intake small pipe 26 outer water flowing table back cavities 23 that electromagnetic pilot valve body 24 is provided with, interior energising magnetic guide valve pocket 25; Energising magnetic guide valve pocket 25 in the electromagnetic priority valve water outlet tubule 27, logical outward drainpipe 44 is at small offence filter screen 28 of outer setting of electromagnetic priority valve water inlet aperture 26 collar extensions; At electromagnetic pilot valve pocket 25 internal fixation electromagnetic generator 29 is arranged, power lead 30 is connected with the solenoid of electromagnetic generator 29, electromagnetic generator 29 is the double seal sleeve pipe, in the middle of two sleeve pipes is solenoid, interior pipe is the slideway of magnet sliding axle 31, magnet sliding axle 31 is columned cavitys of back-end closure, the magnet of interior dress lateral pole, the front portion is a sheet, there is hook the end, can hook the pressure arm of the pressure spring 33 that is assemblied on the pressure spring seat 32, the pressure arm of pressure spring 33 is pressed on the slideway that sticks up bar 35, sticking up shaft bar 34 is fixed on electromagnetic pilot valve pocket 25 inwalls, stick up bar 35 and be contained on the central shaft that sticks up shaft bar 34 tops, be provided with two holes, corresponding electromagnetic priority valve water-intake small pipe 26 internal orifices of the hole heart and electromagnetic priority valve water outlet tubule 27 internal orifices in the both sides of sticking up bar 35, rubber packing 36 is set in the two side holes of sticking up bar 35, and the stainless steel in rubber packing 36 centers inserts respectively in electromagnetic priority valve water-intake small pipe 26 internal orifices and electromagnetic priority valve water outlet tubule 27 internal orifices from dredging filament 37; The bottom of rubber cup 39 is sealing surfaces, be embedded with therebetween and strengthen the stainless steel pad, top is fixed on the bottom of electromagnetic pilot valve body 24, the center of rubber cup 39 corresponding water meter back cavity apopore 43, in rubber cup 39, form leather cup chamber 40, logical leather cup chamber 40 under the paddle hole of leather cup chamber, on the magnetic guide valve pocket 25 of switching on; Outer setting electromagnetic priority valve safety valve 42 at electromagnetic pilot valve body 24 is fixed on the outer wall of electromagnetic pilot valve body 24, interior energising magnetic guide valve pocket 25, outer water flowing table back cavity 23; Water meter back cavity apopore 43 below rubber cup 39, last water flowing table back cavity 23, logical outward drainpipe 44.
The field effect sensor: field effect sensor housing 45 by up and down two bowls constitute; be fixed on the center at kuppe 5 tops; one center pit and three wire guides are arranged at top; the fine setting screw is arranged at the bottom; discoidal escapement 46 is fixed on the central shaft 49; be fixed with horizontal polar ring shape magnet 48 below; the foil electret 47 of two symmetries is fixed on top; central shaft 49 is fixed on and wears field effect sensor housing 45 center pits in the escapement 46 in the heart; in wear wiring board 50; following top jewel bearing 54; a line of induction 51 is respectively established in both sides below wiring board 50, connects the receiving pole of field effect transistor 52 respectively, and lead 53 passes the wire guide internal wiring road plate 50 of field effect sensor housing 45; extension instrument storehouse single-chip microcomputer, tin hat 56 is assemblied on the center pit on field effect sensor housing 45 tops.
At the serious offense filter screen 6 that the bottom of kuppe 5 is provided with, be fixed on the bottom of kuppe 5;
Inner guide multifunction digital water meter of the present invention, changed the graceful formula water meter one-piece construction of volt, water conservancy diversion, the single demonstration of liquid crystal digital screen in the employing inner guide multifunction digital water meter employing dry type in the table, and be provided with interior water conservancy diversion and weight valve orifice jet antidrip device, buoyancy breather valve device, electromagnetic pilot valve gear and field effect sensor.Have simple in structure, volume is little, in light weight, to water quality requirement do not limit, characteristics such as long service life, failure rate are low, good stability, improved the sensitivity and the precision of water meter greatly, antidrip is effective, minimum flow can be controlled at 0.003m
3/ hour, initiating flow 0.003m
3/ hour, anhydrous gas is not by measuring, save electric energy.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 an inner guide multifunction digital water meter one-piece construction synoptic diagram
Fig. 2 is a flow-guiding structure synoptic diagram in the water meter front portion
Fig. 3 is that kuppe bottom weight valve is opened top plan view
Fig. 4 is interior water conservancy diversion and weight valve orifice jet antidrip apparatus structure synoptic diagram
Fig. 5 is that kuppe bottom weight valve is closed top plan view
Fig. 6 is the anterior buoyancy breather valve of a water meter structural representation
Fig. 7 is water meter rear portion electromagnetic priority valve opening figure
Fig. 8 is water meter rear portion electromagnetic priority valve closed condition figure
Fig. 9 is a field effect sensor construction synoptic diagram.
Embodiment
It is to realize like this that inner guide multifunction digital water meter of the present invention has changed the graceful formula water meter one-piece construction of volt.Water conservancy diversion, the single demonstration of liquid crystal digital screen in the inner guide multifunction digital water meter employing dry type, and be provided with interior water conservancy diversion and weight valve orifice jet antidrip device, buoyancy breather valve device, electromagnetic pilot valve gear and field effect sensor.Do below in conjunction with accompanying drawing and to specify.
See Fig. 1, watchcase 1 can adopt stainless steel, brass, cast iron to make as required, and its contour structure size meets national standard.In watchcase 1, be provided with water inlet pipe 3, water meter ante-chamber 4, water meter back cavity 23 and drainpipe 44, be provided with two macropores that built-up member is used on the top of watchcase 1, gland 2 cooperates with two macropores on watchcase 1 top, be used to seal the fixed table inner part, the center pit on the gland 2 is used for lead and penetrates gland 2.One end of water inlet pipe 3 communicates with water meter ante-chamber 4, and the other end of water inlet pipe 3 communicates with the off-balancesheet feed pipe.
See water conservancy diversion and weight valve orifice jet antidrip device in Fig. 2～Fig. 5, it is the big inlet opening 7 that is provided with by in kuppe 5, little inlet opening 8, big pod apertures 9, little pod apertures 10, gravity valve pocket 11 and gravity spool 12 are formed, the top of kuppe 5 is fixed in the watchcase 1 by gland 2, be provided with big inlet opening 7 in the bottom of kuppe 5, little inlet opening 8 and gravity valve pocket 11, top is provided with impeller cavity apopore 16, impeller 14 is housed in impeller cavity 13, impeller 14 is made up of a plurality of blades, be designed to skirt shape in the bottom of blade, top is fixed with ring-shaped magnet 15, in the bottom of central shaft 49 jewel bearing 54 is set, rotate under can promoting at the current of rotation, ring-shaped magnet 15 rotates synchronously for the escapement 46 that lateral pole can drive in the galvanomagnetic effect sensor 17,13 times logical big pod apertures 9 of impeller cavity, little pod apertures 10, go up logical impeller cavity apopore 16, impeller cavity apopore 16 is arranged on a plurality of inclined holes of kuppe 5 upper lateral parts.At the serious offense filter screen 6 that the bottom of kuppe 5 is provided with, be fixed on the bottom of kuppe 5, can the water that enter in big inlet opening 7 and the little inlet opening 8 be filtered, bigger foreign material can not be entered in the impeller cavity.Big inlet opening 7 times water flowing tables ante-chamber 4, upward logical gravity valve pocket 11, little inlet opening 8 times water flowing tables ante-chamber 4, upward logical little pod apertures 10.Big pod apertures 9 is arranged on gravity valve pocket 11 outer a plurality of inclined holes of placing, and interior logical gravity valve pocket 11, logical outward impeller cavity 13 can make the water generates rotary water current that enters in the impeller cavity 13 promote impeller 14 and rotate.10 times logical little inlet openings 8 of little pod apertures, the inclined hole on the logical outward impeller cavity 13 can make the current that enter in the impeller cavity 13 produce local jet, promotes impeller 14 and rotates.
Current enter water meter water inlet pipe 3, water meter ante-chamber 4 by feed pipe, enter big inlet opening 7 by serious offense filter screen 6, gravity spool 12 upwards waves under the promotion of current, expose big pod apertures 9, current produce rotary water current by big pod apertures 9 and enter in the impeller cavity 13, promote impeller 14 and rotate, last current enter water meter back cavity 23 by impeller cavity apopore 16.Under the situation of miniflow, current can not make gravity spool 12 hike up, and can not enter big inlet opening 7, can only enter impeller cavity 13 by little inlet opening 8, little pod apertures 10.Press aperture speedup characteristic, the water that enters impeller cavity 13 by little pod apertures 10 can produce local jet, promotes impeller 14 and rotates, and the sensitivity that has improved impeller 14 greatly reaches the purpose that reduces the minimum flow leakproof.
See Fig. 6, buoyancy breather valve device: the buoyancy ventilation valve body that is provided with on watchcase 1 18 is provided with breather valve air admission hole 19 for the pipe shape at upper side, the top is provided with breather valve vent port 20, the bottom is provided with breather valve inlet opening 21, the centre is the ventilation valve pocket, and buoyancy ventilation valve body 18 is fixed on the housing of watchcase 1.Breather valve air admission hole 19 outer water flowing table ante-chambers 4, interior air valve all chamber, breather valve vent port 20 times is the air valve chamber all, last water flowing table back cavity 23, water meter back cavity 23 is by the cavity that forms in the water meter case, upward logical impeller cavity apopore 16 is divided into water meter back cavity apopore 43.Breather valve inlet opening 21 outer water flowing table ante-chambers 4, on air valve chamber all, ventilation spool 22 is housed in the ventilation valve pocket, ventilation spool 22 is right cylinders of a hollow, has certain buoyancy, can wave up and down with the variation of water level.
Buoyancy breather valve device has overcome the insoluble design defect of old-fashioned water meter, as when cutting off the water, surplus water in water pipe and the water meter refluxes in the water supply line, along with decline of water table, ventilation spool 22 also arrives buoyancy ventilation valve body 18 belows with decline of water table, breather valve air admission hole 19, breather valve vent port 20 are opened, but still can have some water in the bottom of water meter ante-chamber 4, and the water water level is higher than big inlet opening 7, the little inlet opening 8 that is provided with in kuppe 5.When resuming water supply, the air that at first enters in the water meter can not directly enter big inlet opening 7, the little inlet opening 8 that is provided with in the kuppe 5, can only directly enter water meter back cavity 23 by breather valve air admission hole 19, the breather valve vent port of opening 20.When current enter water meter ante-chamber 4, along with water level raises, ventilation spool 22 rises, and seals breather valve vent port 20, and current can not pass through breather valve vent port 20, can only pass through big inlet opening 7, little inlet opening 8, reaches ventilation and does not measure, the purpose of water flowing metering.
See Fig. 7, Fig. 8, electromagnetic pilot valve body 24 in the electromagnetic pilot valve gear is fixed on watchcase 1 top by gland 2,25 times logical leather cups of the electromagnetic pilot valve pocket chamber 40 that in electromagnetic pilot valve body 24, forms, outer water flowing table ante-chamber 4 and drainpipe 44, the electromagnetic priority valve water-intake small pipe 26 outer water flowing table back cavities 23 that electromagnetic pilot valve body 24 is provided with, interior energising magnetic guide valve pocket 25; Energising magnetic guide valve pocket 25 in the electromagnetic priority valve water outlet tubule 27, logical outward drainpipe 44 at small offence filter screen 28 of outer setting of electromagnetic priority valve water-intake small pipe 26 collar extensions, can carry out fine filtering to the water that enters in the electromagnetic pilot valve pocket 25.At electromagnetic pilot valve pocket 25 internal fixation electromagnetic generator 29 is arranged, power lead 30 is connected with the solenoid of electromagnetic generator 29, electromagnetic generator 29 is the double seal sleeve pipe, in the middle of two sleeve pipes is solenoid, interior pipe is the slideway of magnet sliding axle 31, magnet sliding axle 31 can laterally slide in slideway, magnet sliding axle 31 is columned cavitys of back-end closure, the magnet of interior dress lateral pole, the front portion is a sheet, there is hook the end, can hook the pressure arm that is assemblied in the pressure spring 33 in the pressure spring seat 32, the pressure arm of pressure spring 33 is pressed on the slideway that sticks up bar 35, can laterally slide with magnet sliding axle 31, sticking up shaft bar 34 is fixed on electromagnetic pilot valve pocket 25 inwalls, sticking up bar 35 is contained on the central shaft that sticks up shaft bar 34 tops, but easy on and off tilting, be provided with two holes in the both sides of sticking up bar 35, corresponding electromagnetic priority valve water-intake small pipe 26 internal orifices of the hole heart and electromagnetic priority valve water outlet tubule 27 internal orifices, rubber packing 36 is set in the two side holes of sticking up bar 35, can under the pressure arm effect of pressure spring 33, seal electromagnetic priority valve water-intake small pipe 26 internal orifices or electromagnetic priority valve water outlet tubule 27 internal orifices, stainless steel in rubber packing 36 centers inserts respectively in electromagnetic priority valve water-intake small pipe 26 internal orifices and electromagnetic priority valve water outlet tubule 27 internal orifices from dredging filament 37, can with stick up bar 35 stick up the bar slideway about in the of 38 tilting move up and down, reach from the mediation effect; The bottom of rubber cup 39 is sealing surfaces, be embedded with therebetween and strengthen the stainless steel pad, top is fixed on the bottom of electromagnetic pilot valve body 24, the center of rubber cup 39 corresponding water meter back cavity apopore 43, rubber cup 39 can be gone up the down spring motion, in rubber cup 39, form leather cup chamber 40,41 times logical leather cups of paddle hole chamber, leather cup chamber 40, on the magnetic guide valve pocket 25 of switching on; Outer setting electromagnetic priority valve safety valve 42 at electromagnetic pilot valve body 24 is fixed on the outer wall of electromagnetic pilot valve body 24, interior energising magnetic guide valve pocket 25, outer water flowing table back cavity 23; Water meter back cavity apopore 43 below rubber cup 39, last water flowing table back cavity 23, logical outward drainpipe 44.
Rechargeable card is inserted instrument bin, also can adopt radio-frequency card, single-chip microcomputer commander reversing switch is covert, and moment by power lead 30 to electromagnetic generator 29 power supplies once, solenoid moment generation reversed magnetic field.Magnet sliding axle 31 is under the effect of electromagnetic field, drive the pressure arm motion backward rapidly of pressure spring 33, at the effect of the pressure spring 33 bar 35 reverse tiltings that have a downwarp, rubber packing 36 is pushed down electromagnetic priority valve water-intake small pipe 26 internal orifices, open electromagnetic priority valve water outlet tubule 27 internal orifices simultaneously, under the effect of hydraulic pressure, rubber cup 39 is upwards done the elastic force motion, water in the leather cup chamber 40 is extruded into electromagnetic pilot valve pocket 25, and enter drainpipe 44, the electromagnetic pilot opening of valves by the electromagnetic priority valve water outlet tubule of opening 27.
When sticking up bar 35 tiltings, dredge 37 pairs of electromagnetic priority valve water-intake small pipe 26 internal orifices of filament and electromagnetic priority valve water outlet tubule 27 internal orifices certainly and dredge once automatically.
Under the situation of outage, magnet sliding axle 31 stop motions, but the pressure arm of pressure spring 33 should be able to be positioned to stick up bar slideway 38 sloping lower extreme points guarantee to stick up bar 35 under the situation of the fluctuation of current and pipe vibration, can tilting, have the effect of self-locking.
Flowing water flow can make electromagnetic priority valve water outlet tubule 27 produce negative pressure in drainpipe 44, so electromagnetic pilot valve pocket 25 and hydraulic pressure in the leather cup chamber 40 is significantly less than the hydraulic pressure in the water meter back cavity 23, can guarantee that leather cup 39 is in opening.
Electromagnetic priority valve has reversibility, as reverse reflux, will make valve be in closed condition when leather cup 39 is opened.When feed pipe is cut off the water, surplus water in the water pipe refluxes to water meter, electromagnetic priority valve is in closed condition, current can not flow back to water supply line by water meter back cavity apopore 43, this moment, drainpipe 44 pressure were greater than the hydraulic pressure in the water meter back cavity 23, the water that refluxes can only reflux in electromagnetic pilot valve pocket 25 and leather cup chamber 40 by electromagnetic priority valve water outlet tubule 27, pressure is excessive may to rise brokenly by leather cup 39, generation for fear of this situation, outer setting electromagnetic priority valve safety valve 42 at electromagnetic pilot valve body 24 can be emitted water when electromagnetic pilot valve pocket 25 internal pressures are big, reach the purpose of decompression, avoid leather cup 39 to damage.
When the water user charges into two cubic metres of water consumption less thaies in the single-chip microcomputer, single-chip microcomputer will be supplemented with money User Alarms prompting speed on LCDs, supplement with money before the water yield uses up purchasing as the user, and water meter continues to supply water.Charge into water consumption in the single-chip microcomputer when using up as the water user, in time do not supplement with money, single-chip microcomputer commander reversing switch is covert, moment to electromagnetic generator 29 power supplies once, solenoid moment generation and original opposite magnetic field, make magnet sliding axle 31 drive the pressure arm of pressure spring 33 rapidly rapidly to front slide, stick up bar 35 reverse tilting under the effect of pressure spring 33, rubber packing 36 is sealed electromagnetic priority valve water outlet tubule 27 internal orifices, open electromagnetic priority valve water-intake small pipe 26 internal orifices simultaneously, under the effect of hydraulic pressure, rubber cup 39 belows produce negative pressure, and leather cup 39 is inhaled to water meter back cavity apopore 43, water in the water meter back cavity 23 is inhaled into electromagnetic pilot valve pocket 25 and leather cup chamber 40 by electromagnetic priority valve water-intake small pipe 26, when the water in the leather cup chamber 40 was full of, leather cup 39 was sealed water meter back cavity apopore 43, and electromagnetic priority valve is closed.
See Fig. 9, the field effect sensor: field effect sensor housing 45 by up and down two bowls constitute, be fixed on the center at kuppe 5 tops, one center pit and three wire guides are arranged at top, the fine setting screw is arranged at the bottom, discoidal escapement 46 is fixed on the central shaft 49, be fixed with horizontal polar ring shape magnet 48 below, the foil electret 47 of two symmetries is fixed on top, when escapement 46 whenever circles, can produce 4 class acoustical signals to inductive coil, the ring-shaped magnet of fixing below escapement 46 48 can drive escapement 46 and rotate synchronously with impeller 14.Central shaft 49 is fixed on and wears field effect sensor housing 45 center pits in the escapement 46 in the heart; in wear wiring board 50; following top jewel bearing 54; a line of induction 51 is respectively established in both sides below wiring board 50; the receiving pole that connects field effect transistor 52 respectively; lead 53 passes the wire guide internal wiring road plate 50 of field effect sensor housing 45; extension instrument storehouse single-chip microcomputer; fine adjustment screw 55 cooperates with fine setting screw on the field effect sensor housing 45; in order to adjust the distance between the foil electret 47 and the line of induction 51; make it to be in best sense state; tin hat 56 is assemblied on the center pit on galvanomagnetic effect sensor housing 45 tops, can play the close and protect effect to the part of inside.
The field effect sensor is to utilize the sound principle of induction, the foil electret of handling through polarization 47 can produce very high charged particles, can be by the sound foil electret 47 that receives according to sound size, frequency height vertical tremor, make distance generation respective change with field effect transistor 52 induction points, field effect transistor 52 can receive correspondent voltage to be changed, variation by voltage can make field effect transistor 52 semiconductors produce, conductor, semiconductor, the multiple trickle field effect of insulator reach the purpose that signal is exported.With the variable in distance of foil electret 47 with big or small vertical tremor that just produces of sound and the generation of field effect transistor 52 induction points, the voice signal of induction field effect transistor 52 outputs, change the foil electret 47 that is fixed on the escapement 46 into and rotate the horizontal periodic distance variation that produces, reach the purpose of field effect transistor 52 output electric pulse signals with escapement 46.
Current promote impeller 14 and rotate, ring-shaped magnet 15 on the impeller 14 is corresponding with ring-shaped magnet 48 on the escapement 46, therefore escapement 46 is followed impeller 14 and is rotated synchronously, the related escapement that causes 46 of impeller 14 shakes and foil electret 47 shakes that cause for fear of the current fluctuation that causes because of the hydraulic pressure instability when the water not and pipe vibration, be in the line of induction 51 belows as foil electret 47, then may cause the output error signal.The present invention adopts the design of foil electret 47, the line of induction 51 and field effect transistor 52, escapement 46 whenever circles, two foil electrets 47 that are contained on the escapement 46 will produce 4 far and near distances variations with two lines of induction 51 of wiring board 50 belows, and field effect transistor 52 is by lead 53 4 electric impulse signals of single-chip microcomputer output in instrument bin.Single-chip microcomputer can be revised at the revolution graph of errors of initiating flow, boundary flow, flow commonly used, maximum flow impeller 14, can stick into the unlimited correction of row by calibration to the individual error of every table again, therefore has high measuring accuracy.
Claims (8)
1, a kind of inner guide multifunction digital water meter, it is characterized in that: water conservancy diversion, the single demonstration of liquid crystal digital screen in the inner guide multifunction digital water meter employing dry type, and be provided with interior water conservancy diversion and weight valve orifice jet antidrip device, buoyancy breather valve device, electromagnetic pilot valve gear and field effect sensor.
2, inner guide multifunction digital water meter according to claim 1, it is characterized in that: water conservancy diversion and weight valve orifice jet antidrip device in described, it is the big inlet opening (7) that is provided with by in kuppe (5), little inlet opening (8), big pod apertures (9), little pod apertures (10), gravity valve pocket (11) and gravity spool (12) are formed, the top of kuppe (5) is fixed in the watchcase (1) by gland (2), be provided with big inlet opening (7) in the bottom of kuppe (5), little inlet opening (8) and gravity valve pocket (11), top is provided with impeller cavity apopore (16), impeller (14) is housed in impeller cavity (13), the down logical big pod apertures (9) of impeller cavity (13), little pod apertures (10), go up logical impeller cavity apopore (16), impeller cavity apopore (16) is arranged on a plurality of inclined holes of kuppe (5) upper lateral part; Big inlet opening (7) is water flowing table ante-chamber (4) down, upward logical gravity valve pocket (11), and little inlet opening (8) are water flowing table ante-chamber (4) down, upward logical little pod apertures (10); Gravity valve pocket (11) is arranged on the circular cylindrical cavity of top, big inlet opening (7) in the kuppe (5), its down logical big inlet opening (7), logical outward big pod apertures (9), in gravity spool (12) is housed, gravity spool (12) is strong for disk, is provided with the branch flow cone in the center of bottom.
3, inner guide multifunction digital water meter according to claim 1, it is characterized in that: described buoyancy breather valve device: be to go up the buoyancy ventilation valve body (18) that is provided with at watchcase (1) to be provided with breather valve air admission hole (19) at upper side for the pipe shape, the top is provided with breather valve vent port (20), the bottom is provided with breather valve inlet opening (21), the centre is the ventilation valve pocket, buoyancy ventilation valve body (18) is fixed on the housing of watchcase (1), breather valve air admission hole (19) outer water flowing table ante-chamber (4), in air valve chamber all, air valve chamber all under the breather valve vent port (20), last water flowing table back cavity (23), water meter back cavity (23) is the cavity that forms in water meter case, go up logical impeller cavity apopore (16), divide into water meter back cavity apopore (43), breather valve inlet opening (21) outer water flowing table ante-chamber (4), on air valve chamber all, ventilation spool (22) is housed in the ventilation valve pocket, and ventilation spool (22) is the right cylinder of a hollow.
4, inner guide multifunction digital water meter according to claim 1, it is characterized in that: the electromagnetic pilot valve body (24) in the described electromagnetic pilot valve gear is fixed on watchcase (1) top by gland (2), the electromagnetic pilot valve pocket (25) that forms in electromagnetic pilot valve body (24) is logical leather cup chamber (40) down, outer water flowing table ante-chamber (4) and drainpipe (44), electromagnetic priority valve water-intake small pipe (26) the outer water flowing table back cavity (23) that electromagnetic pilot valve body (24) is provided with, interior energising magnetic guide valve pocket (25); Energising magnetic guide's valve pocket (25) in the electromagnetic priority valve water outlet tubule (27), logical outward drainpipe (44) is at a little screen pack of outer setting (28) of electromagnetic priority valve water-intake small pipe (26) collar extension; At electromagnetic pilot valve pocket (25) internal fixation electromagnetic generator (29), power lead (30) is connected with the solenoid of electromagnetic generator (29), electromagnetic generator (29) is the double seal sleeve pipe, in the middle of two sleeve pipes is solenoid, interior pipe is the slideway of magnet sliding axle (31), magnet sliding axle (31) is the columned cavity of back-end closure, the magnet of interior dress lateral pole, the front portion is a sheet, there is hook the end, hook the pressure arm that is assemblied in the pressure spring (33) in the pressure spring seat (32), the pressure arm of pressure spring (33) is pressed on the slideway that sticks up bar (35), sticking up shaft bar (34) is fixed on electromagnetic pilot valve pocket (25) inwall, sticking up bar (35) is contained on the central shaft that sticks up shaft bar (34) top, be provided with two holes in the both sides of sticking up bar (35), corresponding electromagnetic priority valve water-intake small pipe (26) internal orifice of the hole heart and electromagnetic priority valve water outlet tubule (27) internal orifice, rubber packing (36) is set in the two side holes of sticking up bar (35), and the stainless steel in rubber packing (36) center inserts respectively in electromagnetic priority valve water-intake small pipe (26) internal orifice and electromagnetic priority valve water outlet tubule (27) internal orifice from dredging filament (37); The bottom of rubber cup (39) is a sealing surface, be drilled with therebetween and strengthen the stainless steel pad, top is fixed on the bottom of electromagnetic pilot valve body (24), the corresponding water meter back cavity apopore (34) in the center of rubber cup (39), in rubber cup (39), form leather cup chamber (40), logical leather cup chamber (40) under the paddle hole of leather cup chamber, on the magnetic guide valve pocket (25) of switching on; Outer setting electromagnetic priority valve safety valve (42) at electromagnetic pilot valve body (24) is fixed on the outer wall of electromagnetic pilot valve body (24), interior energising magnetic guide valve pocket (25), outer water flowing table back cavity (23); Water meter back cavity apopore (43) in the below of rubber cup (39), last water flowing table back cavity (23), logical outward drainpipe (44).
5 inner guide multifunction digital water meters according to claim 1; it is characterized in that: described field effect sensor: field effect sensor housing (45) by up and down two bowls constitute; be fixed on the center at kuppe (5) top; one center pit and three wire guides are arranged at top; the fine setting screw is arranged at the bottom; discoidal escapement (46) is fixed on the central shaft (49); be fixed with horizontal polar ring shape magnet (48) below; the foil electret (47) of two symmetries is fixed on top; central shaft (49) is fixed on and wears field effect sensor housing (45) center pit in the escapement (46) in the heart; in wear wiring board (50); following top jewel bearing (54); a line of induction (51) is respectively established in both sides below wiring board (50); the receiving pole that connects field effect transistor (52) respectively; lead (53) passes the wire guide internal wiring road plate (50) of field effect sensor housing (45), extension instrument storehouse single-chip microcomputer, and tin hat (56) is assemblied on the center pit on field effect sensor housing (45) top.
6, according to claim 1,2 described inner guide multifunction digital water meters, it is characterized in that: described impeller (14) is made up of a plurality of blades, be designed to skirt shape in the bottom of blade, top is fixed with ring-shaped magnet (15), and jewel bearing (54) is set in the bottom of central shaft;
7, according to claim 1,2 described inner guide multifunction digital water meters, it is characterized in that: the serious offense filter screen (6) that described bottom at kuppe (5) is provided with is fixed on the bottom of kuppe (5);
8, according to claim 1,2 described inner guide multifunction digital water meters, it is characterized in that: described big pod apertures (9) is arranged on the outer a plurality of inclined holes placed of gravity valve pocket (11), interior logical gravity valve pocket (11), outer logical impeller cavity (13), the down logical little inlet opening (8) of little pod apertures (10), the inclined hole on the logical outward impeller cavity (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100041389A CN100449273C (en) | 2006-07-08 | 2007-01-01 | Inner guide multifunction digital water meter |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200610047176.8 | 2006-07-08 | ||
| 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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101000254A true CN101000254A (en) | 2007-07-18 |
| CN100449273C CN100449273C (en) | 2009-01-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2007100041389A Expired - Fee Related CN100449273C (en) | 2006-07-08 | 2007-01-01 | Inner guide multifunction digital water meter |
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| Country | Link |
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| CN (1) | CN100449273C (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101949719A (en) * | 2010-07-07 | 2011-01-19 | 宁波东海仪表水道有限公司 | Water-gas separation device |
| CN106017578A (en) * | 2016-07-06 | 2016-10-12 | 孙恩新 | Full-digital waterproof intelligent water meter with high-precision radio frequency card |
| CN108177306A (en) * | 2017-12-27 | 2018-06-19 | 苏州华控注胶技术有限公司 | A kind of flow passage structure for effectively reducing plastic emitting tube inlet extruding force |
| CN110567539A (en) * | 2019-09-20 | 2019-12-13 | 长春工业大学 | grid dislocation type triboelectric float flowmeter |
| CN110567535A (en) * | 2019-09-20 | 2019-12-13 | 长春工业大学 | Turning plate type triboelectric rotor flow meter |
| CN110567540A (en) * | 2019-09-20 | 2019-12-13 | 长春工业大学 | Triboelectric remote transmission float flowmeter |
| CN111024172A (en) * | 2019-12-31 | 2020-04-17 | 江花集团有限公司 | Wireless intelligent remote water meter based on Internet of things and monitoring method thereof |
| CN112991625A (en) * | 2021-05-19 | 2021-06-18 | 天津赛恩能源技术股份有限公司 | Matrix type valve control water meter system and valve control method thereof |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2651855Y (en) * | 2003-11-18 | 2004-10-27 | 孙恩新 | Electronic counter |
| CN2651544Y (en) * | 2003-11-18 | 2004-10-27 | 孙恩新 | Electromagnetic control guiding valves |
| CN2660488Y (en) * | 2004-04-06 | 2004-12-01 | 北京业诺科技有限公司 | Dripping metering water flowmeter |
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- 2007-01-01 CN CNB2007100041389A patent/CN100449273C/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101949719A (en) * | 2010-07-07 | 2011-01-19 | 宁波东海仪表水道有限公司 | Water-gas separation device |
| CN101949719B (en) * | 2010-07-07 | 2012-03-28 | 宁波东海仪表水道有限公司 | Water-gas separation device |
| CN106017578A (en) * | 2016-07-06 | 2016-10-12 | 孙恩新 | Full-digital waterproof intelligent water meter with high-precision radio frequency card |
| CN108177306A (en) * | 2017-12-27 | 2018-06-19 | 苏州华控注胶技术有限公司 | A kind of flow passage structure for effectively reducing plastic emitting tube inlet extruding force |
| CN110567539A (en) * | 2019-09-20 | 2019-12-13 | 长春工业大学 | grid dislocation type triboelectric float flowmeter |
| CN110567535A (en) * | 2019-09-20 | 2019-12-13 | 长春工业大学 | Turning plate type triboelectric rotor flow meter |
| CN110567540A (en) * | 2019-09-20 | 2019-12-13 | 长春工业大学 | Triboelectric remote transmission float flowmeter |
| CN110567540B (en) * | 2019-09-20 | 2020-10-23 | 长春工业大学 | Triboelectric remote transmission float flowmeter |
| CN111024172A (en) * | 2019-12-31 | 2020-04-17 | 江花集团有限公司 | Wireless intelligent remote water meter based on Internet of things and monitoring method thereof |
| CN111024172B (en) * | 2019-12-31 | 2021-08-13 | 江花集团有限公司 | Wireless intelligent remote water meter based on Internet of things and monitoring method thereof |
| CN112991625A (en) * | 2021-05-19 | 2021-06-18 | 天津赛恩能源技术股份有限公司 | Matrix type valve control water meter system and valve control method thereof |
| CN112991625B (en) * | 2021-05-19 | 2021-07-27 | 天津赛恩能源技术股份有限公司 | Matrix type valve control water meter system and valve control method thereof |
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|---|---|
| CN100449273C (en) | 2009-01-07 |
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Assignee: Anshan Xin Hong Yuan Technology Co., Ltd. Assignor: Sun Enxin Contract record no.: 2011210000023 Denomination of invention: Inner guide multifunction digital water meter Granted publication date: 20090107 License type: Common License Open date: 20070718 Record date: 20110325 |
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Application publication date: 20070718 Assignee: Liaoning Hong Yuan Technology Co., Ltd. Assignor: Sun Enxin Contract record no.: 2016210000028 Denomination of invention: Inner guide multifunction digital water meter Granted publication date: 20090107 License type: Exclusive License Record date: 20160922 |
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