CN215762016U - Bypass fluid medium generator - Google Patents
Bypass fluid medium generator Download PDFInfo
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- CN215762016U CN215762016U CN202121780835.5U CN202121780835U CN215762016U CN 215762016 U CN215762016 U CN 215762016U CN 202121780835 U CN202121780835 U CN 202121780835U CN 215762016 U CN215762016 U CN 215762016U
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Abstract
The utility model discloses a bypass fluid medium generator which comprises a generator main body, wherein a generator cavity and a fluid medium cavity are arranged in the generator main body, a motor shaft is arranged in the generator cavity, an impeller rotating shaft is arranged in the fluid medium cavity, a partition plate used for sealing and separating the generator cavity and the fluid medium cavity is arranged in the generator main body, a first magnetic part is arranged on the motor shaft, a second magnetic part is arranged on the impeller rotating shaft, and a magnetic coupling structure is formed between the first magnetic part and the second magnetic part. The utility model can realize the sealing of the generator chamber and the fluid medium chamber, realize non-contact transmission by utilizing the magnetic coupling structure and avoid kinetic energy loss caused by dynamic seal friction. The design of the partition plate with the tubular annular wall is adopted, so that the matching structure of the magnetic coupling is more compact, and the reliable and stable magnetic coupling transmission matching is ensured. The neodymium iron boron magnet and the silicon steel-free disc coil are matched to generate electricity more sensitively, the requirement of low-flow-rate continuous power generation can be met, and the kinetic energy utilization rate of the fluid medium is higher.
Description
Technical Field
The utility model relates to a bypass fluid medium generator, and belongs to the technical field of generators.
Background
Electrical energy (Electrical energy) refers to the ability of electricity to perform work in various forms (and is therefore sometimes also called Electrical work). The electric energy is divided into direct current electric energy and alternating current electric energy which can be mutually converted. The electric energy is widely applied to various fields of power, illumination, metallurgy, chemistry, textile, communication, broadcasting and the like, and is the main power for scientific and technical development and national economic leap.
The electric energy used in daily life mainly comes from conversion of other forms of energy, including water energy, internal energy, atomic energy, wind energy, chemical energy, light energy and the like. Electrical energy may also be converted into other desired forms of energy. It can be transmitted over long distances in wired or wireless form. Wherein, the water energy, the wind energy and the light energy belong to green energy sources. Converting the kinetic energy of the fluid medium into electric energy requires the use of a fluid medium generator, which may also be referred to as a hydro generator, which mainly uses the kinetic energy of water to convert into electric energy.
The general hydroelectric generator is a relatively large-sized generator, and along with the development of green energy of society, the hydroelectric generator is more and more miniaturized, and can fully utilize the power of fluid media in life and production, thereby realizing electric energy conversion, realizing electric energy collection and having higher economic value.
The traditional hydroelectric generator generally comprises a generator chamber and a fluid medium circulation chamber, wherein an impeller exists in the fluid medium circulation chamber, a motor shaft exists in the generator chamber, a rotating shaft of the impeller and the motor shaft need linkage matching, and meanwhile, the generator chamber and the fluid medium circulation chamber need relative sealing isolation, so that a large number of sealing matching structures can be designed, thereby ensuring sealing isolation between the generator chamber and the fluid medium circulation chamber in a transmission matching process, and preventing fluid media in the fluid medium circulation chamber from invading into the generator chamber to damage elements such as a coil of the generator. And sealed packing mainly through butt cooperation such as sealing washer, at pivot and motor shaft rotation in-process, sealed friction leads to the kinetic energy loss, leads to the kinetic energy conversion rate to receive great influence, and seal structure is impaired can appear in long-term the use simultaneously. In addition, since the kinetic energy of the fluid medium is changed to some extent, the smaller fluid kinetic energy cannot satisfy the requirement of driving the impeller with larger resistance, and unnecessary energy loss is caused.
Disclosure of Invention
The utility model aims to solve the defects of the prior art, and provides a bypass fluid medium generator aiming at the problems that a sealing structure between a generator chamber and a fluid medium circulation chamber of a traditional hydroelectric generator generates larger obstruction to the rotation of an impeller, the sealing failure is easy to occur and the like.
In order to achieve the purpose, the technical scheme adopted by the utility model is as follows:
a bypass fluid medium generator comprises a generator main body, wherein a generator chamber and a fluid medium chamber with a liquid inlet end and a liquid outlet end are arranged in the generator main body, a motor shaft with free rotary displacement is arranged in the generator chamber, an impeller rotating shaft with free rotary displacement is arranged in the fluid medium chamber,
the generator is characterized in that a partition plate used for hermetically separating the generator cavity and the fluid medium cavity is arranged in the generator body, a first magnetic part is arranged on the motor shaft, a second magnetic part is arranged on the impeller rotating shaft, and a magnetic coupling structure is formed between the first magnetic part and the second magnetic part.
Preferably, a tubular annular wall is arranged on the partition plate, the first magnetic part is a magnetic coupling sleeve positioned on the periphery of the tubular annular wall, and the second magnetic part is a magnetic sleeve ring positioned in the tubular annular wall and sleeved on the impeller rotating shaft.
Preferably, a gap is left between the tubular annular wall and each of the magnetic coupling sleeve and the magnetic collar.
Preferably, the generator body comprises a motor shell and a fluid cavity shell which are detachably matched, and the partition plate is limited and arranged between the motor shell and the fluid cavity shell.
Preferably, a motor support frame is arranged between the partition plate and the motor shell, a motor shaft rotating bearing is arranged on the motor support frame, and a load accommodating cavity for accommodating the first magnetic part is formed between the motor support frame and the partition plate.
Preferably, the fluid chamber housing and the partition plate are respectively provided with a rotary bearing for carrying the impeller rotating shaft.
Preferably, the separator is a stainless steel separator provided with a magnetic flux.
Preferably, a window is arranged on the generator main body, and an endoscope is arranged on the window.
Preferably, the generator main body is provided with an aviation connector which is used for being electrically connected with a generator in the generator cavity.
Preferably, the generator in the generator chamber comprises cooperating neodymium iron boron magnets and silicon steel free disc coils.
The utility model has the following beneficial effects:
1. the generator can realize the sealing of a generator cavity and a fluid medium cavity, and the non-contact transmission is realized by utilizing a magnetic coupling structure formed between a motor shaft and an impeller rotating shaft, so that the kinetic energy loss caused by dynamic seal friction is avoided.
2. The design of the partition plate with the tubular annular wall is adopted, so that the matching structure of the magnetic coupling is more compact, and the reliable and stable magnetic coupling transmission matching is ensured.
3. The neodymium iron boron magnet and the silicon steel-free disc coil are matched with each other to generate electricity more sensitively, and particularly, the neodymium iron boron magnet is matched with the magnetic coupling structure, so that the requirement of low-flow-rate continuous power generation can be met, and the kinetic energy utilization rate of a fluid medium is higher.
4. The whole design is succinct ingenious, easily assembles and maintains, and the demand is carried on in the bypass electricity generation of specially adapted intelligent valve.
Drawings
Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, made with reference to the accompanying drawings in which:
fig. 1 is a schematic cross-sectional view of a bypass fluid medium generator according to the present invention.
Fig. 2 is a schematic structural diagram of a bypass fluid medium generator according to the present invention.
Fig. 3 is a schematic diagram of a bypass fluid medium generator disposed on a hydraulic control valve in accordance with the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and are not limiting of the utility model. It should be noted that, for convenience of description, only the relevant portions of the related inventions are shown in the drawings. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
The utility model provides a bypass fluid medium generator, which comprises a generator main body 1, wherein a generator chamber 2 and a fluid medium chamber 3 with a liquid inlet end 31 and a liquid outlet end 32 are arranged in the generator main body 1, a motor shaft 4 with free rotary displacement is arranged in the generator chamber 2, and an impeller rotating shaft 5 with free rotary displacement is arranged in the fluid medium chamber 3, as shown in fig. 1 and 2.
A partition plate 6 used for hermetically separating a generator chamber 2 and a fluid medium chamber 3 is arranged in the generator body 1, a first magnetic part 40 is arranged on a motor shaft 4, a second magnetic part 50 is arranged on an impeller rotating shaft 5, and a magnetic coupling structure is formed between the first magnetic part 40 and the second magnetic part 50.
The specific implementation process and principle description are as follows:
the fluid medium generator has high requirements on the sealing performance between the motor cavity and the fluid medium cavity, and simultaneously needs to meet the transmission matching between two rotating shafts, so that a dynamic seal structure is adopted for transmission sealing matching, certain friction resistance exists, energy consumption is caused, the power generation efficiency is influenced, and in addition, certain abrasion exists in the dynamic seal.
Aiming at the situation, the design of the generator chamber 2 and the fluid medium chamber 3 sealed and separated by the partition plate 6 is adopted, the fluid medium separation can be realized, and then the first magnetic part 40 on the motor shaft 4 and the second magnetic part 50 on the impeller rotating shaft 5 form a magnetic coupling structure, so that the non-contact coupling transmission is realized, the sealing and separation requirements are met, the magnetic transmission coupling structure has the largest characteristic of breaking the structural form of the traditional coupling besides the function of buffering and vibration absorption of the elastic coupling, the magnetic coupling principle is adopted, the transmission of force and torque can be realized without direct contact between the motor shaft 4 and the impeller rotating shaft 5, the dynamic sealing is changed into static sealing, and the zero leakage is realized.
In a specific embodiment, the partition 6 is provided with a tubular annular wall 60, the first magnetic part 40 is a magnetic coupling sleeve located at the outer periphery of the tubular annular wall, and the second magnetic part is a magnetic collar located in the tubular annular wall and sleeved on the rotating shaft of the impeller. Gaps are respectively reserved among the tubular annular wall, the magnetic coupling sleeve and the magnetic lantern ring.
Specifically, the conventional magnetic transmission coupling generally adopts a flat partition plate to realize separation, so that the first magnetic part 40 and the second magnetic part 50 are required to have certain relative areas, and the volume is larger. The gap between the two parts can ensure no contact, no contact abrasion occurs, and the effective service life is prolonged.
In one embodiment, the generator body 1 includes a motor housing 11 and a fluid chamber housing 12 detachably coupled to each other, and the partition plate 6 is disposed between the motor housing and the fluid chamber housing.
The motor shell 11, the fluid cavity shell 12 and the partition plate 6 are detachably spliced and assembled, so that assembly and forming are easy to realize, assembly is convenient and efficient, and maintenance is convenient.
In one embodiment, a motor support frame 7 is disposed between the partition plate 6 and the motor housing 11, a motor shaft rotating bearing 71 is disposed on the motor support frame 7, and a load accommodating chamber 72 for accommodating the first magnetic part is formed between the motor support frame and the partition plate.
This motor support frame 7 can provide and weigh and carry on, satisfies overall structure intensity demand, and simultaneously, its rotation that satisfies the motor shaft carries on the demand, and holds the carrying space that carries on that the cavity 72 provided first magnetism portion, satisfies its and coil etc. separation demand.
In a specific embodiment, the fluid chamber shell and the partition plate are respectively provided with a rotary bearing for carrying the rotating shaft of the impeller, so that the carrying rotary displacement requirement of the rotating shaft of the impeller is facilitated.
In one embodiment, the spacer 6 is a stainless steel spacer with magnetic flux that provides some structural strength while meeting the magnetic coupling requirement separating the two magnetic sections.
In one embodiment, a window 8 is provided on the generator body, and an endoscope 80 is provided on the window 8. The window 8 is used for peeping the generator chamber 2 for visual inspection and maintenance, and the endoscope 80 is used for providing a certain visual angle and sealing and isolating the window 8.
In a particular embodiment, the generator body 1 is provided with an aeronautical joint 9 for electrical connection with the generator in the generator chamber.
This aviation connects 9 and is used for the electricity generation output electricity to connect, satisfies and connects stable output stable demand.
In a specific embodiment, the generator in the generator chamber 2 includes matched with neodymium iron boron magnet 21 and no silicon steel disc coil 22, utilizes neodymium iron boron magnet 21 and no silicon steel disc coil 22 to generate electricity, can reduce the magnetic resistance behind the load for still satisfy the electricity generation demand under lower speed rivers, the kinetic energy utilization ratio obtains great promotion.
In one embodiment, as shown in fig. 3, the bypass fluid medium generator is disposed on the hydraulic control valve 10, and is communicated with a bypass inlet and outlet waterway of the hydraulic control valve 10 through the inlet end 31 and the outlet end 32 of the fluid medium chamber 3, so as to generate electricity by using the water flow regulated by the bypass water pressure.
Through the above description, it can be found that the bypass fluid medium generator of the utility model can realize the sealing of the generator chamber and the fluid medium chamber, and realize the non-contact transmission by using the magnetic coupling structure formed between the motor shaft and the impeller rotating shaft, thereby avoiding the kinetic energy loss caused by the friction of the dynamic seal. The design of the partition plate with the tubular annular wall is adopted, so that the matching structure of the magnetic coupling is more compact, and the reliable and stable magnetic coupling transmission matching is ensured. The neodymium iron boron magnet and the silicon steel-free disc coil are matched with each other to generate electricity more sensitively, and particularly, the neodymium iron boron magnet is matched with the magnetic coupling structure, so that the requirement of low-flow-rate continuous power generation can be met, and the kinetic energy utilization rate of a fluid medium is higher. The whole design is succinct ingenious, easily assembles and maintains, and the demand is carried on in the bypass electricity generation of specially adapted intelligent valve.
The terms "comprises," "comprising," or any other similar term are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
So far, the technical solutions of the present invention have been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of the present invention is obviously not limited to these specific embodiments. Equivalent changes or substitutions of related technical features can be made by those skilled in the art without departing from the principle of the utility model, and the technical scheme after the changes or substitutions can fall into the protection scope of the utility model.
Claims (10)
1. The utility model provides a bypass fluid medium generator, includes the generator main part, be equipped with the generator cavity in the generator main part and possess the feed liquor end and go out the fluid medium cavity of liquid end, be equipped with the motor shaft that possesses free rotary displacement in the generator cavity, be equipped with the impeller pivot that possesses free rotary displacement in the fluid medium cavity, its characterized in that:
the generator is characterized in that a partition plate used for hermetically separating the generator cavity and the fluid medium cavity is arranged in the generator body, a first magnetic part is arranged on the motor shaft, a second magnetic part is arranged on the impeller rotating shaft, and a magnetic coupling structure is formed between the first magnetic part and the second magnetic part.
2. A bypass fluid medium generator as claimed in claim 1, wherein:
the baffle is provided with a tubular annular wall, the first magnetic part is a magnetic coupling sleeve positioned on the periphery of the tubular annular wall, and the second magnetic part is a magnetic sleeve ring positioned in the tubular annular wall and sleeved on the impeller rotating shaft.
3. A bypass fluid medium generator as claimed in claim 2, wherein:
gaps are respectively reserved among the tubular annular wall, the magnetic coupling sleeve and the magnetic lantern ring.
4. A bypass fluid medium generator as claimed in claim 1, wherein:
the generator body comprises a motor shell and a fluid cavity shell which are detachably connected, and the partition plate is arranged between the motor shell and the fluid cavity shell in a limiting mode.
5. The bypass fluid medium generator of claim 4, wherein:
the motor support frame is arranged between the partition plate and the motor shell, a motor shaft rotating bearing is arranged on the motor support frame, and a containing and loading cavity for containing the first magnetic part is formed between the motor support frame and the partition plate.
6. The bypass fluid medium generator of claim 4, wherein:
and the fluid cavity shell and the partition plate are respectively provided with a rotary bearing for carrying the impeller rotating shaft.
7. A bypass fluid medium generator according to any one of claims 1-6, wherein:
the separator is a stainless steel separator with magnetic flux.
8. A bypass fluid medium generator as claimed in claim 1, wherein:
the generator main body is provided with a window, and the window is provided with an endoscope.
9. A bypass fluid medium generator as claimed in claim 1, wherein:
the generator main body is provided with an aviation connector which is electrically connected with a generator in the generator cavity.
10. A bypass fluid medium generator as claimed in claim 1, wherein:
the generator in the generator chamber comprises a neodymium iron boron magnet and a silicon steel-free disc coil which are matched with each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121780835.5U CN215762016U (en) | 2021-08-02 | 2021-08-02 | Bypass fluid medium generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121780835.5U CN215762016U (en) | 2021-08-02 | 2021-08-02 | Bypass fluid medium generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215762016U true CN215762016U (en) | 2022-02-08 |
Family
ID=80109143
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121780835.5U Active CN215762016U (en) | 2021-08-02 | 2021-08-02 | Bypass fluid medium generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215762016U (en) |
-
2021
- 2021-08-02 CN CN202121780835.5U patent/CN215762016U/en active Active
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