CN2821531Y - Self electricing generation water meter - Google Patents

Self electricing generation water meter Download PDF

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Publication number
CN2821531Y
CN2821531Y CN 200520035375 CN200520035375U CN2821531Y CN 2821531 Y CN2821531 Y CN 2821531Y CN 200520035375 CN200520035375 CN 200520035375 CN 200520035375 U CN200520035375 U CN 200520035375U CN 2821531 Y CN2821531 Y CN 2821531Y
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CN
China
Prior art keywords
water meter
impeller
power generation
self power
generation water
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Expired - Fee Related
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CN 200520035375
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Chinese (zh)
Inventor
王东
刘琳
方浩
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Individual
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Individual
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Priority to CN 200520035375 priority Critical patent/CN2821531Y/en
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Publication of CN2821531Y publication Critical patent/CN2821531Y/en
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Abstract

The utility model discloses a self electricity generation water meter with the functions of self generating electricity, which can generate relatively higher induction electromotive force and can have a compact structure. The utility model comprises a water inlet channel and a water outlet channel which are made of non magnetic conductive materials and are arranged in a shell, impeller wheels arranged in the water inlet channel and the water outlet channel, magnetic poles which are fixedly connected with the impeller wheels, and coils arranged outside a trace of the circular motion of the magnetic poles, wherein the axial line of the impeller wheel is arranged along the axial line direction of the water inlet channel and the water outlet channel; the magnetic poles are arranged at the outline of the impeller wheel and are the bar-shaped magnetic poles extending along the axial direction; the coils are correspondingly arranged along the axial line direction and the peripheral positions of the magnetic poles., the relatively larger induction electromotive force can be obtained to increase the electricity generating efficiency by adding the axial length of the coils and the length of the magnetic poles. With the structure, the magnetism can be effectively and conveniently shielded, and meanwhile, the water meter also has the advantages of compact structure, small volume, and light weight and less materials so as to be convenient for the integral optimization design of products and to be suitable for the adoption to the self electricity generation water meter which generates the electricity by using the rotation of the impeller wheels.

Description

The self power generation water meter
Technical field
The utility model relates to a kind of water meter, especially a kind of self power generation water meter with spontaneous electrical function.
Background technology
At present, along with the development of society and the progress of science and technology, measurement instrument develops towards robotization, intellectuality, electronic direction.Wherein, the self power generation water meter with spontaneous electrical function can be realized the wired or wireless transmission to data, thereby utilize computing machine to carry out automatic intensive data processing, charging etc. by external driver, be the developing direction of following water meter.Existing self power generation water meter generally has two kinds of forms: a kind of is to install magnetic pole additional and add in adjacent separator plates to set subcoil and generate electricity on the impeller of prior mechanical water meter, and the central axis of its impeller is vertical with the Inlet and outlet water passage axis.Another kind of mode is that the mode that installs generator on the Inlet and outlet water passage before and after the prior mechanical water meter additional realizes self power generation.Reason owing to physical construction, the coil dimension in the self power generation water meter of above-mentioned two kinds of forms and the size of magnetic pole all are very restricted, the induction electromotive force that produces when making generating is not high, and the electric energy of generation often is difficult to satisfy the power requirement of full electronic water meter.Same owing to mechanical type water meter profile, this class water meter is difficult to carry out effective magnetic shielding.In use, as long as kicker magnet is placed near the water meter, all can make this class that kicker magnet is installed and the self power generation water meter that can not carry out effective magnetic shielding again can't correctly measure.Defectives such as simultaneously, above-mentioned self power generation water meter also has complex structure, and volume is excessive.
The utility model content
The not high deficiency of induction electromotive force that produces when generating electricity for the central axis self power generation water meter vertical with the Inlet and outlet water passage axis that overcomes existing impeller, technical problem to be solved in the utility model provides a kind of self power generation water meter that produces higher induction electromotive force and compact conformation.
The technical scheme that its technical matters that solves the utility model adopts is: this self power generation water meter comprises Inlet and outlet water passage that setting non-magnet material in the enclosure make to form, be arranged on impeller, the magnetic pole of fixedlying connected with impeller in the Inlet and outlet water passage and be arranged on coil outside the circular motion track of magnetic pole, the axis of impeller is arranged along the axis direction of Inlet and outlet water passage, magnetic pole is the strip magnetic pole that impeller outer profile place is set and extends vertically, and coil is along the corresponding layout with the magnetic pole peripheral position of axis direction.According to the law of electromagnetic induction, the size of induction electromotive force is directly proportional with the time rate of change of magnetic flux by the loop.When wheel speed one timing, by the axial length of increase coil and the length of magnetic pole, can obtain bigger induction electromotive force, improve generating efficiency.
The beneficial effects of the utility model are: owing to adopted the axis of impeller to arrange along the axis direction of Inlet and outlet water passage, magnetic pole is to be arranged on the strip magnetic pole that extends vertically at impeller outer profile place and coil along the corresponding placement technique scheme with the magnetic pole peripheral position of axis direction, make it can pass through to increase the axial length of coil and the length of magnetic pole easily, can obtain bigger induction electromotive force, the electric energy that produces can satisfy the power requirement of full electronic water meter, has overcome the too small defective of induction electromotive force that existing self power generation water meter produces.Magnetic pole is provided with impeller outer profile place, can carry out effective magnetic shielding easily, also have the advantage that compact conformation, volume are little, in light weight, materials are economized simultaneously, be convenient to carry out the optimal design of product integral body, be suitable on the self power generation water meter that the rotation that utilizes impeller is generated electricity, adopting.
Description of drawings
Fig. 1 is a sectional structure synoptic diagram of the present utility model;
Fig. 2 is the cut-open view along Figure 1A-A direction;
Fig. 3 is the outside drawing with the rotating part of impeller one.
Be labeled as among the figure: shell 1, Inlet and outlet water passage 2, impeller 3, magnetic pole 4, coil 5, central shaft 6, support 7, perforate 8, cylindrical shell 9, counting magnetic pole 10, inner casing 11, magnet-sensitive element 12, permanent-magnetic clamp 13, magnetic shielding shell 14, support 17, perforate 18, LCD 20, permanent-magnetic clamp 23.
Embodiment
Below in conjunction with drawings and Examples the utility model is further specified.
As Fig. 1, Fig. 2, shown in Figure 3, self power generation water meter of the present utility model comprises being arranged on shell 1, Inlet and outlet water passage 2, impeller 3, magnetic pole 4 and coil 5.Inlet and outlet water passage 2 is arranged in the shell 1 and adopts non-magnet materials such as copper, engineering plastics to make, and shell 1 and Inlet and outlet water passage 2 can adopt the structure with the one of material, also can adopt the fixedly connected structure of different materials.For easy to make, reduce cost and improve its durability, shell 1 and Inlet and outlet water passage 2 preferably adopt different materials to make respectively and be sealedly and fixedly connected, for example Inlet and outlet water passage 2 is made for copper material, shell 1 adopts ferrous material to make, at this moment, Inlet and outlet water passage 2 can constitute by being made into inner casing 11 cylindraceous.Impeller 3 is arranged in the Inlet and outlet water passage 2, the axis of impeller 3 is arranged along the axis direction of Inlet and outlet water passage 2, the strip magnetic pole of magnetic pole 4 for impeller 3 outline places being set and extending vertically of fixedlying connected with impeller 3, coil 5 is arranged on outside the circular motion track of magnetic pole 4, coil 5 is along axis direction and the corresponding layout of magnetic pole 4 peripheral positions, and coil 5 can be along all or part of covering magnetic pole 4 of axis direction.Coil 5 can be fixed with shell 1 relative position, also can be fixed on other intermediate, but identical with existing self power generation water meter, its coil 5 also should can not rotate with it at interval with the rotating part on the impeller 3.Like this, according to the law of electromagnetic induction,, therefore,, can obtain bigger induction electromotive force by the axial length of increase coil 5 and the length of magnetic pole 4 because the size of induction electromotive force is directly proportional with the time rate of change of magnetic flux by the loop.As from the foregoing, mean speed one timing when impeller 3, increase the axial length of coil 5 and the length of magnetic pole 4, can obtain bigger induction electromotive force, make the electric energy of its generation can satisfy the power requirement of full electronic water meter, the electric energy that coil 5 produces also can be stored in the energy-storage travelling wave tube, and the power supply subassembly uses.
In order to improve the sensitivity of impeller 3 rotations, make it under less streamflow regime, also can produce corresponding rotation, impeller 3 preferably adopts screw type, makes its current that pass through Inlet and outlet water passage 2 all promote impeller 3 rotations with certain pressure on the axial length of whole impeller 3.
The axial location of impeller 3 in Inlet and outlet water passage 2 should be relatively-stationary, therefore impeller 3 can adopt multiple mode axial limiting, for example, can utilize the end face of impeller 3 to cooperate with the axial location of the step surface of Inlet and outlet water passage 2 and realize, be that the spacing sliding friction of end face cooperates between the impeller 3 of this moment and the Inlet and outlet water passage 2.
In order further to improve the sensitivity of impeller 3 rotations, be set with at least one support 7 on the Inlet and outlet water passage 2, impeller 3 is supported on the support 7 by central shaft 6.When adopting a support 7, support 7 can be arranged on the middle part of central shaft 6 of impeller 3 or the optional position at two ends, requires as long as satisfy the support of central shaft 6.But in order to reduce frictional resistance and improve force-bearing situation, the two ends that are preferably in central shaft 6 are provided with two supports 7,17 respectively as supporting.
Support 7,17 can adopt multiple structure and shape to realize, as long as satisfy the requirement that provides support and make current normally to pass through.Make for convenience, support 7,17 can be made into respectively with the plate-like of perforate 8,18, and according to routine, perforate 8,18 can be along amplifying to reduce resistance to water-flow that the periphery of its annular is tried one's best.
In order further to obtain bigger induction electromotive force and further to improve generating efficiency, can adopt the along the circumferential direction even spaced apart mode of a plurality of magnetic poles 4, simultaneously, can also adopt the along the circumferential direction even spaced apart mode of a plurality of coils 5 to realize.Being provided with of a plurality of magnetic poles 4 and a plurality of coil 5 can be adopted separately, but preferably adopts simultaneously, makes it obtain higher induction electromotive force.
Make for convenience and assembling, improve manufacturing process and product, can be on impeller 3 the fixing cylindrical shell 9 made of non-magnet materials such as suit copper, plastics, 4 of the magnetic poles of strip by inlay, mode such as bonding is fixed on the cylindrical shell 9.In addition, cylindrical shell 9 also can adopt permanent magnetic material to make, for example rare earth permanent-magnetic material.The linearity of circumferential surface by the cylindrical shell 9 made at permanent magnetic material carrying out vertically magnetize obtain strip, even spaced apart magnetic pole 4 along the circumferential direction.
For fear of miscount, can fixedly install counting magnetic pole 10 at an end of impeller 3, on the inner casing 11 corresponding, be provided with counting magnetic pole 10 positions two groups along 12, two groups of spaced apart magnet-sensitive elements 12 of circumferential spaced apart magnet-sensitive element preferably along circumferentially being 180 ° of symmetrical distributions.Every group of magnet-sensitive element 12 can be made up of identical sensor, also can be made up of two kinds of different sensors.In order to improve functional reliability, every group of magnet-sensitive element 12 preferably adopts the mode of two kinds of different sensor parallel runnings, for example, behind Hall element and the coils from parallel connection of coils as one group.In the work, recording at least induced signal respectively with 2 groups of magnet-sensitive elements 12 is a complete count pulse, and promptly impeller 3 rotates a circle and produces a count pulse.Because 2 groups of magnet-sensitive elements 12 have enough big space distribution, when counting magnetic pole 10 rests on the close position of a certain group of magnet-sensitive element 12 and makes it to produce induced signal, another group magnet-sensitive element 12 can not produce induced signal, and any induced signal repeatedly that only produces by one group of magnet-sensitive element 12, can not cause the miscount of pulse, this is a kind of very common common mode on circuit design, and concrete circuit setting is repeated no more here.
For reduce current by the time axial force brought to the impeller adverse effect that causes, water side at impeller 3 can be provided with circular permanent-magnetic clamp 13, position at the support 17 of this end relative with permanent-magnetic clamp 13 is provided with permanent-magnetic clamp 23, two permanent-magnetic clamp 13,23 homopolarity positioned opposite, the principle of utilizing same polarity to repel each other, partial offset, reduce current by the time axial force brought to impeller.In order not disturb, count the water inlet end that magnetic pole 10 is preferably disposed on impeller 3 this moment with the permanent-magnetic clamp 13 of offsetting axial force.
In order to make the water meter can operate as normal, prevent in use because the deficiency that the water meter that near the interference of the kicker magnet that exists the water meter causes can't correctly measure the outer magnetic shielding shell 14 that can the suit tubular of coil 5.It is adaptive with size that magnetic shielding shell 14 is preferably the outer surface position of the perforate at center, two ends and the inner casing 11 outside the support 7,17, thereby can carry out the magnetic shielding of maximum magnitude.
Embodiment: as Fig. 1, Fig. 2, shown in Figure 3, self power generation water meter of the present utility model comprises being arranged on shell 1, Inlet and outlet water passage 2, impeller 3, magnetic pole 4 and coil 5.Shell 1 adopts ferrous material to make, and is fixed with the LCD 20 of band circuit board on the outside surface of shell 1.Inlet and outlet water passage 2 is made for copper material, and Inlet and outlet water passage 2 can constitute by being made into inner casing 11 cylindraceous, and inner casing 11 is arranged in the shell 1 and with it and is sealedly and fixedly connected.The two ends of Inlet and outlet water passage 2 are set with two respectively, and the impeller 3 of screw type is supported on the support 7,17 by central shaft 6 respectively with the support 7,17 of the plate-like of perforate 8,18.The axis of impeller 3 arranges along the axis direction of Inlet and outlet water passage 2, on the impeller 3 fixedly 4 of the magnetic poles of suit engineering plastics 9,8 wire of extending vertically of cylindrical shell of making inlay and be fixed on the cylindrical shell 9 and along the circumferential direction evenly arrange at interval.4 coils 5 arrange at interval evenly along the circumferential direction and cover magnetic pole 4 along axis direction that the interconnection of coil 5 makes that the induced electromotive force of each coil is positive superposition.
Water inlet end at impeller 3 fixedly installs counting magnetic pole 10, be provided with two groups along circumferentially being 180 ° of symmetrical distribution magnet-sensitive elements 12 on the inner casing 11 corresponding with counting magnetic pole 10 positions, recording at least induced signal respectively with 2 groups of magnet-sensitive elements 12 is a complete count pulse.In the water side of impeller 3 circular permanent-magnetic clamp 13 is set, the support 17 of permanent-magnetic clamp 13 these ends and permanent-magnetic clamp 13 relative positions are provided with 23, two permanent-magnetic clamps of permanent-magnetic clamp, 13,23 homopolarity positioned opposite.The magnetic shielding shell 14 that outside coil 5, keeps at a certain distance away and be set with tubular.The position of the perforate at center, magnetic shielding shell 14 two ends and the outside surface of the inner casing 11 outside the support 7,17 is adaptive with size, thereby can carry out the magnetic shielding of maximum magnitude.On the circuit board in LCD 20 single-chip microcomputer is housed, except that direct driving LCD 20, single-chip microcomputer also can read the signal of magnet-sensitive element 12, and paired pulses is counted.By the external connection driver, can constitute wired remote transmitting water meter.By wireless transmitter is installed, can constitute radio remote transmitting water meter, its receiving and transmitting signal is directly controlled by single-chip microcomputer.

Claims (15)

1, self power generation water meter, comprise the coil (5) outside the Inlet and outlet water passage (2) that is arranged on the interior non-magnet material making of shell (1) and forms, the circular motion track that is arranged on the impeller (3) in the Inlet and outlet water passage (2), the magnetic pole (4) of fixedlying connected and is arranged on magnetic pole (4) with impeller (3), it is characterized in that: the axis of impeller (3) is arranged along the axis direction of Inlet and outlet water passage (2), the strip magnetic pole of magnetic pole (4) for being arranged on impeller (3) outline place and extending vertically, coil (5) is along axis direction and the corresponding layout of magnetic pole (4) peripheral position.
2, self power generation water meter as claimed in claim 1 is characterized in that: impeller (3) is a screw type.
3, self power generation water meter as claimed in claim 1 is characterized in that: be set with at least one support (7) on the Inlet and outlet water passage (2), impeller (3) is supported on the support (7) by central shaft (6).
4, self power generation water meter as claimed in claim 3 is characterized in that: two supports (7,17) are separately positioned on the two ends of central shaft (6).
5, self power generation water meter as claimed in claim 4 is characterized in that: support (7,17) is the plate-like of band perforate (8,18).
6, self power generation water meter as claimed in claim 1 is characterized in that: a plurality of magnetic poles (4) are along the circumferential direction evenly arranged at interval.
7, self power generation water meter as claimed in claim 1 is characterized in that: a plurality of coils (5) are along the circumferential direction evenly arranged at interval.
8, self power generation water meter as claimed in claim 1 is characterized in that: impeller (3) is gone up fixed cover the cylindrical shell (9) that non-magnet material is made is housed, and magnetic pole (4) is fixed on the cylindrical shell (9).
9, according to the described self power generation water meter of any claim in 1~8, it is characterized in that: Inlet and outlet water passage (2) is made of inner casing cylindraceous (11).
10, self power generation water meter as claimed in claim 9, it is characterized in that: the end at impeller (3) is set with counting magnetic pole (10), and the inner casing (11) corresponding with counting magnetic pole (10) position is provided with two groups along circumferential spaced apart magnet-sensitive element (12).
11, self power generation water meter as claimed in claim 10 is characterized in that: two groups of magnet-sensitive elements (12) are along circumferentially being 180 ° of symmetrical distributions.
12, self power generation water meter as claimed in claim 10 is characterized in that: counting magnetic pole (10) is arranged on the water inlet end of impeller (3).
13, self power generation water meter as claimed in claim 9, it is characterized in that: be provided with circular permanent-magnetic clamp (13) in the water side of impeller (3), the position that the support of this end (17) is relative with permanent-magnetic clamp (13) is provided with permanent-magnetic clamp (23), two permanent-magnetic clamps (13,23) homopolarity positioned opposite.
14, self power generation water meter as claimed in claim 9 is characterized in that: the outer magnetic shielding shell (14) that is set with tubular of coil (5).
15, self power generation water meter as claimed in claim 14 is characterized in that: the outer surface position of the inner casing (11) outside the perforate at magnetic shielding shell (14) center, two ends and the support (7,17) is adaptive with size.
CN 200520035375 2005-09-06 2005-09-06 Self electricing generation water meter Expired - Fee Related CN2821531Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 200520035375 CN2821531Y (en) 2005-09-06 2005-09-06 Self electricing generation water meter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 200520035375 CN2821531Y (en) 2005-09-06 2005-09-06 Self electricing generation water meter

Publications (1)

Publication Number Publication Date
CN2821531Y true CN2821531Y (en) 2006-09-27

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CN 200520035375 Expired - Fee Related CN2821531Y (en) 2005-09-06 2005-09-06 Self electricing generation water meter

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CN (1) CN2821531Y (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102788621A (en) * 2011-05-17 2012-11-21 上海天净管业有限公司 Self power generation electronic water flowmeter
CN104215287A (en) * 2014-09-05 2014-12-17 浙江中合仪表科技有限公司 Self-generating Doppler flow instrument
CN105987721A (en) * 2015-01-27 2016-10-05 深圳市博电电子技术有限公司 Water consumption display system and method
CN107525548A (en) * 2016-06-20 2017-12-29 桓达科技股份有限公司 Self power generation web flowmeters
CN111504409A (en) * 2020-03-17 2020-08-07 广州杰赛科技股份有限公司 Intelligent data acquisition and self-generating integrated device and method
EP3901448A1 (en) * 2019-05-28 2021-10-27 Vuo Power Oy Water meter
CN113847962A (en) * 2021-09-17 2021-12-28 小佩网络科技(上海)有限公司 Intelligent monitoring system for aquarium

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102788621A (en) * 2011-05-17 2012-11-21 上海天净管业有限公司 Self power generation electronic water flowmeter
CN104215287A (en) * 2014-09-05 2014-12-17 浙江中合仪表科技有限公司 Self-generating Doppler flow instrument
CN104215287B (en) * 2014-09-05 2017-10-27 浙江中合仪表科技有限公司 A kind of self power generation Doppler flow instrument
CN105987721A (en) * 2015-01-27 2016-10-05 深圳市博电电子技术有限公司 Water consumption display system and method
CN107525548A (en) * 2016-06-20 2017-12-29 桓达科技股份有限公司 Self power generation web flowmeters
CN107525548B (en) * 2016-06-20 2019-09-06 桓达科技股份有限公司 Self power generation web flowmeters
EP3901448A1 (en) * 2019-05-28 2021-10-27 Vuo Power Oy Water meter
CN111504409A (en) * 2020-03-17 2020-08-07 广州杰赛科技股份有限公司 Intelligent data acquisition and self-generating integrated device and method
CN113847962A (en) * 2021-09-17 2021-12-28 小佩网络科技(上海)有限公司 Intelligent monitoring system for aquarium

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C19 Lapse of patent right due to non-payment of the annual fee
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