CN214464635U - Miniature water flow generator - Google Patents
Miniature water flow generator Download PDFInfo
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- CN214464635U CN214464635U CN202023084541.7U CN202023084541U CN214464635U CN 214464635 U CN214464635 U CN 214464635U CN 202023084541 U CN202023084541 U CN 202023084541U CN 214464635 U CN214464635 U CN 214464635U
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Abstract
The utility model discloses a miniature rivers generator aims at providing one kind and not only can improve mounting structure compactness, and the magnetic ring is transmitted to that the drive power of rivers effect on the impeller can be more stable moreover to drive the magnetic ring and rotate, realize miniature rivers generator electricity generation. The magnetic ring type impeller comprises a casing, an impeller and a magnetic ring, wherein the impeller is rotatably arranged in the casing through a shaft, one end of the impeller is provided with an annular boss, the magnetic ring is sleeved on the annular boss and is fixed on the annular boss, and the magnetic ring and the impeller are coaxially distributed.
Description
Technical Field
The utility model relates to a generator, concretely relates to miniature rivers generator.
Background
The miniature water flow generator is an energy-saving and environment-friendly novel product, is often applied to a water flow pipeline, generates electricity by utilizing water flow power in the pipeline to provide electric energy for products such as intelligent bathrooms, intelligent water meters and intelligent irrigation instruments, has the characteristics of energy conservation, environmental protection, no pollution and the like, and is widely utilized. The existing micro water flow generator generally comprises a casing, an impeller, a magnetic ring, a coil, a claw pole, a shaft and the like, wherein the shaft is rotatably arranged on the casing through a bearing, the impeller is fixed at one position on the shaft, the magnetic ring is fixed at the other position on the shaft, when water flows through the micro water flow generator, the impeller is driven to rotate, the impeller drives the shaft to rotate, and the shaft drives the magnetic ring to rotate, so that power generation by utilizing water flow power is realized. The structure of the current miniature water flow generator has the following defects that because the impeller is fixed at one position on the shaft and the magnetic ring is fixed at the other position on the shaft, the impeller and the magnetic ring are respectively positioned and fixed at specific positions on the shaft, the installation is inconvenient, and the compactness of the installation structure of the impeller and the magnetic ring is not improved; the impeller is fixed on the shaft and fixed at any position of the shaft, which is fixed on the shaft together with the magnetic ring, the poor fixation can affect the transmission of power to the magnetic ring by the impeller, the rotating speed of the magnetic ring is affected, and the power generation efficiency is further affected; or the magnetic ring and the shaft are fixed badly, and the magnetic ring slips on the shaft, so that the rotating speed of the magnetic ring can be directly influenced, and the generating efficiency is influenced.
For example, the chinese patent application No. CN 2014103889667, the name of the utility model is a miniature water flow generator, and the impeller and the magnetic ring in the miniature water flow generator of this case are fixed on different positions of the shaft respectively, which also has the above disadvantages.
On the other hand, in the existing micro water flow generator, one side surface of the claw pole facing the magnetic ring is an arc surface, the arc surface and the outer peripheral surface of the magnetic ring are coaxially distributed, a gap is formed between the arc surface and the outer peripheral surface of the magnetic ring, and the gap is very small and is generally about 50 filaments; because the side surface of the claw pole facing the magnetic ring is an arc surface and the gap between the arc surface and the magnetic ring is very small, a certain resistance can be generated in the process of high-speed rotation of the magnetic ring to influence the rotation speed of the magnetic ring, thereby influencing the power generation efficiency, and especially influencing the power generation efficiency more obviously under the conditions of low water pressure and low water flow speed.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a first purpose is in order to provide a miniature rivers generator, and it not only can improve mounting structure compactness, and the magnetic ring can be transmitted to in more stable transmission to the drive power of rivers effect on the impeller moreover to drive the magnetic ring and rotate, realize the electricity generation of miniature rivers generator.
The utility model discloses another purpose on first purpose basis is in order to provide a miniature rivers generator, and it can reduce the high-speed pivoted in-process of magnetic ring, the resistance between magnetic ring and the claw utmost point to make miniature rivers generator can be applicable to and use under lower water pressure and the velocity of water condition.
The technical scheme of the utility model is that:
a miniature water flow generator comprises a casing, an impeller and a magnetic ring, wherein the impeller is rotatably arranged in the casing through a shaft, an annular boss is arranged at one end of the impeller, the magnetic ring is sleeved on the annular boss and fixed on the annular boss, and the magnetic ring and the impeller are coaxially distributed.
The miniature water flow generator is characterized in that one end of the impeller is provided with the annular boss, the magnetic ring is fixed on the annular boss, and therefore when the miniature water flow generator is installed, the magnetic ring can be firstly sleeved on the annular boss and fixed on the annular boss, the magnetic ring and the impeller are connected into a whole, and then the impeller is installed on the shaft;
more importantly, as the magnetic ring is fixed on the annular boss of the impeller, as long as the installation of the magnetic ring and the annular boss is stable and reliable, the driving force of the water flow acting on the impeller can be stably transmitted to the magnetic ring, so as to ensure that the magnetic ring and the impeller synchronously rotate, and realize the power generation of the miniature water flow generator, and even if the impeller and the shaft relatively rotate, the rotating speed of the magnetic ring cannot be influenced; compared with the prior art that the impeller and the magnetic ring are respectively fixed on the shaft, the impeller is fixed on the shaft and is fixed at any position in the shaft with the magnetic ring, poor fixation can be caused, the impeller can be influenced to transmit power to the magnetic ring, the rotating speed of the magnetic ring is influenced, and the power generation efficiency is further influenced, the miniature water flow generator can enable water flow driving force acting on the impeller to be transmitted to the magnetic ring more stably, so that the magnetic ring is driven to rotate, and power generation of the miniature water flow generator is realized.
On the other hand, compared with the prior art that the magnetic ring is fixed on the shaft, the scheme that the magnetic ring is sleeved on the annular boss (the annular boss is sleeved on the shaft) can effectively increase the inner diameter of the magnetic ring, and the influence on the power generation efficiency of the miniature water flow generator is the outer diameter of the magnetic ring (the change of the inner diameter of the magnetic ring does not influence the power generation efficiency).
Preferably, the magnetic ring further comprises a claw pole, one side surface of the claw pole facing the magnetic ring is a plane, and a gap is formed between the plane and the outer peripheral surface of the magnetic ring. Compared with the prior art that one side face of the claw pole facing the magnetic ring is an arc face, and the arc face and the outer peripheral face of the magnetic ring are coaxially distributed, in the scheme, the side face of the claw pole facing the magnetic ring is a plane, and the outer peripheral face of the magnetic ring is the arc face, so that the space between the claw pole and the outer peripheral face of the magnetic ring can be increased under the condition that the minimum distance between the claw pole and the outer peripheral face of the magnetic ring is not changed, and therefore in the process of reducing the high-speed rotation of the magnetic ring, the resistance between the magnetic ring and the claw pole is reduced, and the miniature water flow generator can be suitable for being used under the conditions of lower water pressure and lower water flow speed.
Preferably, the plane is parallel to the axis of the magnetic ring, and the minimum gap between the plane and the outer peripheral surface of the magnetic ring is 30-60 filaments.
Preferably, one of the inner wall of the magnetic ring and the outer wall of the annular boss is provided with an axial projection, the other is provided with an axial groove, and the axial projection is matched with the axial groove, so that the magnetic ring and the annular boss cannot rotate relatively. Therefore, the magnetic ring and the annular boss can not rotate relatively through the matching of the axial convex block and the axial groove, so that the water flow driving force acting on the impeller is transmitted to the magnetic ring more stably, and the synchronous rotation of the magnetic ring and the impeller is ensured.
Preferably, the magnetic ring is connected with the annular boss in an adhesive bonding mode. Therefore, the magnetic ring can be prevented from axially moving on the annular boss, and the magnetic ring is stably fixed on the annular boss of the impeller.
Preferably, one end of the magnetic ring abuts against the end of the impeller. Therefore, the stability of the magnetic ring fixed on the annular boss of the impeller can be further improved, and the structural compactness of the magnetic ring and the impeller can be improved.
Preferably, one end of the impeller facing the magnetic ring is provided with a positioning convex ring extending towards the magnetic ring, and one end of the magnetic ring abuts against the end face of the positioning convex ring.
Preferably, both ends of the shaft are rotatably disposed on the housing through bearings, respectively.
Preferably, the bearing is an oil bearing or a stainless steel bearing. The oil-retaining bearing is simple in structure, oxidation corrosion can be avoided under the environment contacting with water, and the friction force of the shaft rotation can be further reduced, so that the miniature water flow generator can be suitable for being used under the conditions of lower water pressure and lower water flow speed.
Preferably, the casing comprises a base, a cover plate pressing plate, a coil framework and a framework pressing plate, wherein the coil framework and the framework pressing plate are located between the base and the cover plate, one end of the coil framework is connected with the base in a sealing mode, the other end of the coil framework is connected with the cover plate in a sealing mode, the cover plate is located between the coil framework and the cover plate pressing plate, the cover plate pressing plate and the cover plate are fixed on the coil framework in a locking mode through bolts, an annular flange is arranged at one end, facing the base, of the coil framework and located between the framework pressing plate and the base, the framework pressing plate and the annular flange are fixed on the base in a locking mode through bolts, an impeller cavity is arranged in the base, a magnetic ring cavity is arranged in the coil framework and communicated with the magnetic ring cavity, the impeller is located in the impeller cavity, and the magnetic ring is located in the magnetic ring cavity.
Preferably, the micro water flow generator further comprises: the electric energy output line is used for outputting the electric energy generated by the miniature water flow generator; the power storage device comprises a power storage box arranged on the shell, a battery charger arranged in the power storage box and a rechargeable battery arranged on the battery charger, wherein the battery charger is provided with a power input line, and the power input line is connected with a power output line. Therefore, the electric energy generated by the miniature water flow generator can be directly stored in the rechargeable battery through the electric energy output line, the electric energy input line and the battery charger, and the electric appliances in the water flow pipeline system are supplied with power through the rechargeable battery, for example, the electric appliances such as the electromagnetic valve are supplied with power. On the other hand, directly set up the casing at miniature rivers generator with electric storage device, make electric storage device and casing be connected and become a whole, can also make things convenient for electric storage device's placing and fixed, need not additionally to set up the structure of fixed electric storage device to electric storage device's fixed stability is better.
Preferably, the casing includes the base, is equipped with the slot on the lateral wall of base, be equipped with on the lateral wall of electricity storage box with slot complex grafting piece, the grafting piece is inserted and is established in the slot. Therefore, the power storage device can be inserted into the slot through the inserting block and connected with the shell into a whole; the plug-in block can be pulled out from the slot, and the power storage device is separated from the shell, so that the power storage device can be maintained or replaced conveniently.
The utility model has the advantages that:
firstly, not only can improve mounting structure compactness, the drive power that rivers acted on the impeller can more stable transmission to the magnetic ring moreover to drive the magnetic ring and rotate, realize miniature rivers generator electricity generation.
And secondly, the resistance between the magnetic ring and the claw pole in the process of high-speed rotation of the magnetic ring can be reduced, so that the miniature water flow generator can be suitable for being used under the conditions of lower water pressure and lower water flow speed.
Drawings
Fig. 1 is an exploded view of a micro water current generator according to a first embodiment of the present invention.
Fig. 2 is an axonometric view of a micro water current generator according to a first embodiment of the present invention.
Fig. 3 is a top view of a micro water flow generator according to a first embodiment of the present invention.
Fig. 4 is a schematic cross-sectional view taken along line a-a in fig. 3.
Fig. 5 is a schematic structural view of the miniature water flow generator according to the second embodiment of the present invention before assembling the power storage device.
Fig. 6 is a schematic structural view of the assembled power storage device of the miniature water current generator according to the second embodiment of the present invention.
In the figure:
the device comprises a machine shell 1, a base 1.1, a coil framework 1.2, a framework pressing plate 1.21, a cover plate 1.3, a cover plate pressing plate 1.31, a protective cover 1.4, a water inlet 1.5, a water outlet 1.6, a slot 1.7 and an electric energy output line 1.8;
the impeller 2, the annular boss 2.1, the axial lug 2.2 and the positioning convex ring 2.3;
a shaft 3;
a magnetic ring 5, an axial groove 5.1;
a coil 6;
a bearing 7;
a seal ring 8;
the device comprises a power storage device 9, a power storage box 9.1, a plug-in block 9.2, a rechargeable battery 9.3, an electric energy input wire 9.4 and a battery box cover 9.5.
Detailed Description
To make the objects, technical solutions and advantages of embodiments of the present invention clearer, the embodiments of the present invention are clearly explained and illustrated below with reference to the accompanying drawings, but the following embodiments are only preferred embodiments of the present invention, not all embodiments. Based on the embodiments in the embodiment, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention.
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present solution, and are not construed as limiting the present solution.
These and other aspects of embodiments of the invention will be apparent with reference to the following description and attached drawings. In the description and drawings, particular embodiments of the invention have been disclosed in detail as being indicative of some of the ways in which the principles of the embodiments of the invention may be practiced, but it is understood that the scope of the embodiments of the invention is not limited thereby. On the contrary, the embodiments of the invention include all changes, modifications and equivalents coming within the spirit and terms of the claims appended hereto.
In the description of the present invention, it is to be understood that the terms "thickness", "upper", "lower", "horizontal", "top", "bottom", "inner", "outer", "circumferential", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and simplification of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., and "a plurality" means one or more unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
The first embodiment is as follows: as shown in fig. 1, 2, 3 and 4, a micro water flow generator includes a casing 1, an impeller 2 and a magnetic ring 5. The impeller is rotatably disposed within the housing by a shaft 3. One end of the impeller is provided with an annular boss 2.1. The magnetic ring 5 is sleeved on the annular boss and fixed on the annular boss. The magnetic ring and the impeller are distributed coaxially. In this embodiment, the annular boss is sleeved on the shaft.
The miniature water flow generator of the embodiment is characterized in that one end of the impeller is provided with the annular boss, and the magnetic ring is fixed on the annular boss, so that when the miniature water flow generator is installed, the magnetic ring can be firstly sleeved on the annular boss and fixed on the annular boss, the magnetic ring and the impeller are connected into a whole, and then the impeller is installed on the shaft;
more importantly, as the magnetic ring is fixed on the annular boss of the impeller, as long as the installation of the magnetic ring and the annular boss is stable and reliable, the driving force of the water flow acting on the impeller can be stably transmitted to the magnetic ring, so as to ensure that the magnetic ring and the impeller synchronously rotate, and realize the power generation of the miniature water flow generator, and even if the impeller and the shaft relatively rotate, the rotating speed of the magnetic ring cannot be influenced; compared with the prior art that the impeller and the magnetic ring are respectively fixed on the shaft, the impeller is fixed on the shaft and is fixed at any position in the shaft with the magnetic ring, poor fixation can be caused, the impeller can be influenced to transmit power to the magnetic ring, the rotating speed of the magnetic ring is influenced, and the power generation efficiency is further influenced, the miniature water flow generator can enable water flow driving force acting on the impeller to be transmitted to the magnetic ring more stably, so that the magnetic ring is driven to rotate, and power generation of the miniature water flow generator is realized.
On the other hand, compared with the prior art in which the magnetic ring is fixed on the shaft, in the embodiment, the magnetic ring is sleeved on the annular boss (the annular boss is sleeved on the shaft), which effectively increases the inner diameter of the magnetic ring, and what affects the power generation efficiency of the micro water flow generator is the outer diameter of the magnetic ring (the change of the inner diameter of the magnetic ring does not affect the power generation efficiency).
Specifically, the micro water flow generator further comprises a coil 6 and a claw pole 4. The casing includes protection casing 1.4, base 1.1, apron 1.3, apron clamp plate 1.31, is located coil skeleton 1.2 and skeleton clamp plate 1.21 between base and the apron. One end of the coil framework is hermetically connected with the base, specifically, one end of the coil framework, which faces the base, is provided with an annular flange, the annular flange is positioned between the framework pressing plate and the base, the framework pressing plate and the annular flange are locked and fixed on the base through bolts, and a sealing ring 8 is arranged between the end surface of the coil framework and the base; the other end and the apron sealing connection of coil skeleton, specifically, the apron is located between coil skeleton and the apron clamp plate, and apron clamp plate and apron pass through bolt locking to be fixed on coil skeleton's the other end, and is equipped with sealing washer 8 between another terminal surface of coil skeleton and the apron. In this embodiment, the cover plate pressing plate is an annular pressing plate, and the cover plate pressing plate is a metal pressing plate. In this embodiment, the framework pressing plate is also an annular pressing plate, the annular pressing plate is composed of two semicircular pressing plates, and the framework pressing plate is a metal pressing plate.
An impeller cavity is arranged in the base, a water inlet 1.5 and a water outlet 1.6 are arranged on the outer wall of the base, and the water inlet and the water outlet are respectively communicated with the impeller cavity. A magnetic ring cavity is arranged in the coil framework, and the impeller cavity is communicated with the magnetic ring cavity. The impeller is located in the impeller cavity. The magnetic ring is located in the magnetic ring cavity. The coil is sleeved outside the coil framework and fixed on the coil framework, and the claw poles are fixed on the coil framework.
The protective cover is sleeved on the coil framework, and the coil framework and the cover plate are covered in the protective cover.
The two ends of the shaft are rotatably arranged on the casing through bearings 7 respectively, specifically, the shaft penetrates through the impeller cavity and the magnetic ring cavity, one end of the shaft is rotatably arranged on the inner wall of the base through the bearings, and one end of the shaft is rotatably arranged on the inner wall of the coil framework through the bearings.
In this embodiment, the impeller, the annular boss, the shaft, the bearing and the magnetic ring are coaxially distributed.
In this embodiment, the impeller and the annular boss are of an integrally formed structure, but the impeller and the annular boss can also be manufactured in a split manner and then welded into a whole.
Further, the bearing 7 is an oil bearing or a stainless steel bearing. Of course the bearings may also be ball bearings or other bearings. The oil-retaining bearing is simple in structure, oxidation corrosion can be avoided under the environment contacting with water, and the friction force of the shaft rotation can be further reduced, so that the miniature water flow generator can be suitable for being used under the conditions of lower water pressure and lower water flow speed.
Further, as shown in fig. 1 and 4, a side surface of the claw pole 4 facing the magnetic ring is a plane 4.1, and a gap is provided between the plane and the outer peripheral surface of the magnetic ring. Compared with the prior art that one side face of the claw pole facing the magnetic ring is an arc face, and the arc face and the outer peripheral face of the magnetic ring are coaxially distributed, in the scheme, the side face of the claw pole facing the magnetic ring is a plane, and the outer peripheral face of the magnetic ring is the arc face, so that the space between the claw pole and the outer peripheral face of the magnetic ring can be increased under the condition that the minimum distance between the claw pole and the outer peripheral face of the magnetic ring is not changed, and therefore in the process of reducing the high-speed rotation of the magnetic ring, the resistance between the magnetic ring and the claw pole is reduced, and the miniature water flow generator can be suitable for being used under the conditions of lower water pressure and lower water flow speed.
The plane is parallel to the axis of the magnetic ring, and the minimum gap between the plane and the outer circumferential surface of the magnetic ring is 30-60 filaments, in this embodiment, the minimum gap between the plane and the outer circumferential surface of the magnetic ring is 50 filaments (i.e. 0.5 mm).
Furthermore, as shown in fig. 1, one of the inner wall of the magnetic ring and the outer wall of the annular boss is provided with an axial projection 2.2, the other is provided with an axial groove 5.1, and the axial projection is matched with the axial groove, so that the magnetic ring and the annular boss are tightly matched and cannot rotate relatively. For example, the inner wall of the magnetic ring is provided with an axial groove, and the outer wall of the annular boss is provided with an axial lug; or the inner wall of the magnetic ring is provided with an axial convex block, and the outer wall of the annular boss is provided with an axial groove. In this embodiment, the inner wall of the magnetic ring is provided with an axial groove, and the outer wall of the annular boss is provided with an axial projection. Therefore, the magnetic ring and the impeller can not rotate relatively through the matching of the axial convex block and the axial groove, so that the water flow driving force acting on the impeller is transmitted to the magnetic ring more stably, and the synchronous rotation of the magnetic ring and the impeller is ensured.
The magnetic ring is connected with the annular boss through bonding agent. Therefore, the magnetic ring can be prevented from axially moving on the annular boss, and the magnetic ring is stably fixed on the annular boss of the impeller. Certainly, the annular boss can also be provided with a snap spring, and the magnetic ring is positioned between the snap spring and the end face of the impeller so as to limit the magnetic ring through the snap spring and avoid the magnetic ring from moving axially on the annular boss.
Further, as shown in fig. 4, one end of the magnetic ring 5 abuts against the end of the impeller. Therefore, the stability of the magnetic ring fixed on the annular boss of the impeller can be further improved, and the structural compactness of the magnetic ring and the impeller can be improved. Specifically, one end of the impeller facing the magnetic ring is provided with a positioning convex ring 2.3 extending towards the magnetic ring, and one end of the magnetic ring is abutted against the end face of the positioning convex ring.
In a second embodiment, the remaining structure of the present embodiment refers to the first embodiment, and the difference therebetween is that:
as shown in fig. 5 and 6, the micro water flow generator further includes an electric power output line 1.8 and an electric power storage device 9. The electric energy generated by the micro water flow generator is output through an electric energy output line 1.8. The electricity storage device 9 comprises an electricity storage box 9.1 arranged on the machine shell, a battery charger arranged in the electricity storage box and a rechargeable battery 9.3 arranged on the battery charger. The battery charger is provided with a power input line 9.4 which is connected with a power output line. Therefore, the electric energy generated by the miniature water flow generator can be directly stored in the rechargeable battery through the electric energy output line, the electric energy input line and the battery charger, and the electric appliances in the water flow pipeline system are supplied with power through the rechargeable battery, for example, the electric appliances such as the electromagnetic valve are supplied with power. On the other hand, directly set up the casing at miniature rivers generator with electric storage device, make electric storage device and casing be connected and become a whole, can also make things convenient for electric storage device's placing and fixed, need not additionally to set up the structure of fixed electric storage device to electric storage device's fixed stability is better.
Specifically, the power output line is fixed on the casing, and the output of power output line is equipped with the output connector, and the input of power input line is equipped with the input connector, and the grafting that input connector and output connector can the split links to each other.
Store up electricity box and casing integrated into one piece, perhaps store up electricity box and casing and pass through bolt or buckle and be connected, in this embodiment, be equipped with slot 1.7 on the lateral wall of base, be equipped with on the lateral wall of storage electricity box with slot complex grafting piece 9.2, the grafting piece is inserted and is established in the slot, store up in electricity box inserts through the grafting piece and establish in the slot, install the accumulate device on the casing. Therefore, the power storage device can be inserted into the slot through the inserting block and connected with the shell into a whole; the plug-in block can be pulled out from the slot, and the power storage device is separated from the shell, so that the power storage device can be maintained or replaced conveniently. The slot is a dovetail groove or a T-shaped groove, and the inserting block is correspondingly a dovetail block or a T-shaped block.
One end of the electricity storage box is opened, and the rechargeable battery is placed into the electricity storage box through the opening at one end of the electricity storage box. One end opening of the electricity storage box is covered by a battery box cover 9.5, and the battery box cover is connected with the electricity storage box through a buckle or a bolt.
The above, only be the utility model discloses a preferred embodiment, it is not right the utility model discloses do any restriction, all according to the utility model discloses the technical entity all still belongs to any simple modification, change and equivalent transformation of doing above embodiment the utility model discloses technical scheme's protection scope.
Claims (9)
1. A miniature water flow generator comprises a casing, an impeller and a magnetic ring, wherein the impeller is rotatably arranged in the casing through a shaft, and the miniature water flow generator is characterized by also comprising claw poles, wherein one end of the impeller is provided with an annular boss, the magnetic ring is sleeved on the annular boss and is fixed on the annular boss, and the magnetic ring and the impeller are coaxially distributed; one side surface of the claw pole facing the magnetic ring is a plane, and a gap is formed between the plane and the outer peripheral surface of the magnetic ring.
2. The miniature water flow generator as claimed in claim 1, wherein the plane is parallel to the axis of the magnetic ring, and the minimum gap between the plane and the outer circumferential surface of the magnetic ring is 30-60 filaments.
3. A miniature water current generator as claimed in claim 1 or 2, wherein one of the inner wall of said magnetic ring and the outer wall of said annular boss is provided with an axial projection, and the other is provided with an axial groove, and said axial projection is fitted with said axial groove, so that said magnetic ring and said annular boss cannot rotate relatively.
4. The miniature water flow generator as claimed in claim 1 or 2, wherein the magnetic ring and the annular boss are bonded together by adhesive.
5. A miniature hydroelectric generator as claimed in claim 1 or claim 2 in which one end of the magnetic ring abuts against the end of the impeller.
6. The miniature water current generator as claimed in claim 5, wherein a positioning protrusion ring extending in the direction of the magnetic ring is provided at one end of the impeller facing the magnetic ring, and one end of the magnetic ring abuts against an end surface of the positioning protrusion ring.
7. The micro water flow generator according to claim 1 or 2, wherein the housing comprises a base, a cover plate pressing plate, a coil frame and a frame pressing plate, the coil frame and the frame pressing plate are arranged between the base and the cover plate, one end of the coil frame is hermetically connected with the base, the other end of the coil frame is hermetically connected with the cover plate, the cover plate is positioned between the coil framework and the cover plate pressing plate, the cover plate pressing plate and the cover plate are locked and fixed on the coil framework through bolts, one end of the coil framework, which faces the base, is provided with an annular flange, the annular flange is positioned between the framework pressing plate and the base, the framework pressing plate and the annular flange are locked and fixed on the base through bolts, an impeller cavity is arranged in the base, a magnetic ring cavity is arranged in the coil framework, and the impeller cavity is communicated with the magnetic ring cavity, the impeller is positioned in the impeller cavity, and the magnetic ring is positioned in the magnetic ring cavity.
8. The micro water current generator according to claim 1 or 2, further comprising:
the electric energy output line is used for outputting the electric energy generated by the miniature water flow generator;
the power storage device comprises a power storage box arranged on the shell, a battery charger arranged in the power storage box and a rechargeable battery arranged on the battery charger, wherein the battery charger is provided with a power input line, and the power input line is connected with a power output line.
9. The micro water flow generator as claimed in claim 8, wherein the housing comprises a base, a slot is formed on an outer sidewall of the base, and an insertion block matched with the slot is formed on an outer sidewall of the electricity storage box and inserted into the slot.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2020219346619 | 2020-09-07 | ||
| CN202021934661 | 2020-09-07 |
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| CN214464635U true CN214464635U (en) | 2021-10-22 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112555088A (en) * | 2020-09-07 | 2021-03-26 | 金华市捷欣智能科技有限公司 | Miniature water flow generator |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112555088A (en) * | 2020-09-07 | 2021-03-26 | 金华市捷欣智能科技有限公司 | Miniature water flow generator |
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