CN111371282A - Magnetic fluid electromagnetic induction electricity taking device - Google Patents
Magnetic fluid electromagnetic induction electricity taking device Download PDFInfo
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- CN111371282A CN111371282A CN202010175036.9A CN202010175036A CN111371282A CN 111371282 A CN111371282 A CN 111371282A CN 202010175036 A CN202010175036 A CN 202010175036A CN 111371282 A CN111371282 A CN 111371282A
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K44/00—Machines in which the dynamo-electric interaction between a plasma or flow of conductive liquid or of fluid-borne conductive or magnetic particles and a coil system or magnetic field converts energy of mass flow into electrical energy or vice versa
- H02K44/08—Magnetohydrodynamic [MHD] generators
- H02K44/12—Constructional details of fluid channels
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Abstract
The invention discloses a magnetofluid electromagnetic induction electricity taking device which comprises a liquid storage shell, wherein magnetic liquid is filled in the liquid storage shell, one end of the liquid storage shell is provided with a puncture joint outside a belt ring, the other end of the liquid storage shell is provided with a belt ring sealing sleeve, and the end part of the liquid storage shell, which is connected with the belt ring sealing sleeve, is also fixedly provided with a puncture joint inside the belt ring. The device adopts magnetic fluid to carry out electromagnetic induction and gets the electricity, and magnetism is strong, and appearance shape plasticity is strong, and application scope is wider.
Description
Technical Field
The utility model belongs to the technical field of electric power electric distribution automation, concretely relates to magnetic fluid electromagnetic induction gets electric installation.
Background
In the technical field of power and electric power distribution automation, requirements for modifying power grid power equipment (such as overhead transmission cables, ring main units, electric control cabinets and the like) to be equipped with intelligent wireless data measurement and control sensing devices are continuously expanded, and the application of a low-power CT power taking mode related to the intelligent wireless data measurement and control sensing devices (such as temperature measurement front-end sensing units) is very wide.
The current electromagnetic induction device with the low-power CT power taking mode mainly has the following two power taking modes:
firstly, adopting an induction electricity-taking pattern formed by winding an ultrathin permalloy soft iron belt for multiple circles;
and secondly, adopting an induction electricity-taking pattern surrounded by hard magnetic ring threading.
The inventor finds that the wireless power-taking measurement and control unit device is refitted and assembled in a high-voltage electric field, so that the device not only has severe safety requirements on the electrical insulation performance and the installation form structure of the induction power-taking patterns, but also has the following problems:
1. the permalloy soft iron belt multi-layer winding mode is adopted, and the overlapping position of the iron belt multi-turn winding is large, so that the magnetic induction efficiency of CT electricity taking is low, the electromagnetic induction sensitivity and the data accuracy of the wireless data measurement and control sensing device are greatly influenced, and effective electromagnetic induction intensity can be generated only if the working current for generating induction is required to be more than 3A;
2. the application of the induction electricity taking mode of the hard magnetic ring threading and encircling is greatly limited due to the adoption of the induction electricity taking mode of the hard magnetic ring threading and encircling, the fact that the field environment of some electric power equipment does not have safe and reliable transformation space, or the field assembling work such as equipment transformation, threading and encircling of a power supply wire and the like is not allowed.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide the magnetic fluid electromagnetic induction electricity taking device which adopts magnetic fluid to carry out electromagnetic induction electricity taking, has strong magnetism, strong appearance plasticity and wider application range.
In order to achieve the purpose, the invention is realized by the following technical scheme:
in a first aspect, the embodiment of the invention provides a magnetic fluid electromagnetic induction electricity taking device which comprises a liquid storage shell, magnetic liquid is filled in the liquid storage shell, one end of the liquid storage shell is provided with a puncture joint with an outer ring, the other end of the liquid storage shell is provided with a sealing sleeve with a ring, and the end part of the liquid storage shell, which is connected with the sealing sleeve with the ring, is also fixedly provided with the puncture joint with the ring.
As a further technical scheme, the outer puncture joint with the ring and the inner puncture joint with the ring are both provided with sharp-pricked structures.
As a further technical scheme, the puncture joint outside the belt ring can be inserted into the belt ring sealing sleeve to form a ring-shaped structure, and the puncture joint inside the belt ring punctures the liquid storage shell and is in contact with the magnetic liquid.
As a further technical scheme, the outer piercing connector with the ring and the sealing sleeve with the ring are sealed by gluing.
As a further technical scheme, the belt ring outer puncturing joint and the belt ring sealing sleeve are fixedly connected with the liquid storage shell.
As a further technical scheme, the belt ring outer puncture joint, the belt ring sealing sleeve and the liquid storage shell are of an integrated structure.
As a further technical scheme, magnetic induction structure is established to stock solution shell periphery cover, and magnetic induction structure has the stock solution chamber, is equipped with magnetic liquid in the stock solution chamber, and magnetic induction structure sets up annotates the liquid hole and is used for pouring into magnetic liquid.
As a further technical scheme, the puncture joint in the belt ring is arranged in the belt ring sealing sleeve; the liquid storage shell is in a belt shape, and the liquid storage shell, the belt ring outer penetrating joint and the belt ring sealing sleeve are made of plastic materials.
In a second aspect, the embodiment of the invention further provides a magnetic fluid electromagnetic induction power taking device, which comprises a liquid storage shell, wherein magnetic liquid is filled in the liquid storage shell, and the liquid storage shell is provided with a liquid injection hole for injecting the magnetic liquid; the liquid storage shell is of an annular structure.
As a further technical scheme, the liquid storage shell is formed by splicing a plurality of arc-shaped shells, and each arc-shaped shell is a closed cavity and is filled with magnetic liquid.
The beneficial effects of the above-mentioned embodiment of the present invention are as follows:
1. according to the structural principle of the electricity taking device disclosed by the invention, the magnet made of the magnetic material such as solid ferrosilicon alloy, soft magnetic ferrite or permalloy can be replaced by the magnet made of the magnetic material with the same volume in household appliances, industries, military affairs, medical treatment and the like which need to design, manufacture and use CT electricity taking or power line induction-free electricity taking. The magnet of the magnetic liquid structure has the characteristics that the magnetism is stronger than that of a solid magnet, the appearance can be designed according to the installation structure, the plasticity is strong, and the loop magnetism is adjustable.
2. According to the structural principle of the electricity taking device disclosed by the invention, the manufacturing and use of the magnetofluid electromagnetic induction electricity taking (CT electricity taking) belt ring device are expanded, so that the magnetofluid electromagnetic induction electricity taking (CT electricity taking) belt ring device not only can replace solid magnetic materials such as most iron-silicon alloy, soft magnetic ferrite, permalloy and the like applied in soft magnetic materials, but also has the social and economic benefits of simple manufacturing process and reduced material production pollution, and has the beneficial effects of protecting environment, saving energy and protecting environment.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the invention and together with the description serve to explain the invention and not to limit the invention.
Fig. 1 is a schematic view of a power take-off device according to embodiment 1 of the present invention;
fig. 2 is a schematic view of a power take-off device in embodiment 2 of the present invention;
fig. 3 is a schematic structural composition diagram of a power taking device in embodiment 1 of the present invention;
fig. 4 is a schematic view of a power take-off device according to embodiment 3 of the present invention;
in the figure: 100-magnetic liquid belt, 101-magnetic liquid, 102-liquid storage shell, 103-belt ring outer puncture joint, 104-belt ring sealing sleeve, 105-belt ring inner puncture joint, 106-magnetic induction structure, 107-liquid injection hole; 200-magnetic liquid ring, 201-liquid injection hole.
Detailed Description
It is to be understood that the following detailed description is exemplary and is intended to provide further explanation of the invention as claimed. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the invention. As used herein, the singular forms "a", "an", and/or "the" are intended to include the plural forms as well, unless the invention expressly state otherwise, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof;
for convenience of description, the words "up", "down", "left" and "right" in the present invention, if any, merely indicate correspondence with up, down, left and right directions of the drawings themselves, and do not limit the structure, but merely facilitate the description of the invention and simplify the description, rather than indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention.
As introduced in the background art, the defects exist in the prior art, and in order to solve the technical problems, the invention provides a magnetic fluid electromagnetic induction power taking device.
Example 1:
in a typical embodiment of the present invention, a magnetic fluid electromagnetic induction power-taking device may be in a shape of a belt, as shown in fig. 1, or in a shape of a ring, as shown in fig. 2;
the belt-shaped electricity-taking device in fig. 1 is a magnetic liquid belt 100, and as shown in fig. 3, the magnetic liquid belt 100 is composed of a magnetic liquid 101, a liquid storage shell 102, a belt ring outer puncture connector 103, a belt ring sealing sleeve 104 and a belt ring inner puncture connector 105.
The magnetic liquid 101 is filled in the liquid storage shell 102, one end of the liquid storage shell 102 is provided with a belt ring outer puncture connector 103, the other end of the liquid storage shell 102 is provided with a belt ring sealing sleeve 104, the end part of the liquid storage shell 102 connected with the belt ring sealing sleeve 104 is also fixedly provided with a belt ring inner puncture connector 105, and the belt ring inner puncture connector 105 is arranged in the belt ring sealing sleeve 104.
The puncture connector 103 with the ring outer part and the sealing sleeve 104 with the ring outer part are fixedly connected with the liquid storage shell 102, and the three parts can also be arranged into an integrated structure.
The puncture joint with the outer ring and the puncture joint with the inner ring are both provided with sharp-pricked structures.
The liquid storage shell 102, the belt ring outer puncture joint 103 and the belt ring sealing sleeve 104 can be made of plastic materials such as polyester films (PET films) and the like, and the appearance can be designed and manufactured into the electric belt ring with the same shape as the permalloy soft iron belt.
The PET film is generally applied to the thickness of 0.12mm, and has the characteristics of excellent mechanical property, high rigidity, hardness and toughness, puncture resistance, friction resistance, high temperature resistance, low temperature resistance, chemical resistance, oil resistance, air tightness and voltage insulation resistance.
When the magnetofluid electromagnetic induction electricity taking (CT electricity taking) device is used on site, the magnetofluid electromagnetic induction electricity taking (CT electricity taking) device can be used in several ways:
1. winding the magnetic liquid belt 100 on the power taking cable for multiple circles, and forming a magnetic loop through electromagnetic induction among the multiple circles of magnetic liquid belts to form a structure equivalent to a permalloy soft iron belt CT power taking ring;
2. firstly winding a circle of magnetic liquid belt 100 on a power taking cable, then inserting a belt ring outer puncture joint 103 into a belt ring sealing sleeve 104 for gluing and sealing, meanwhile, butting the belt ring outer puncture joint 103 with a belt ring inner puncture joint 105, and puncturing the magnetic liquid 101 in a liquid storage shell 102 by the belt ring inner puncture joint 105, so that a magnetic liquid closed-loop magnetic circuit state is formed, and a practical magnetic liquid electromagnetic induction power taking (CT power taking) belt ring structure can be formed;
3. the belt-shaped CT electricity taking structure device designed and manufactured by adopting magnetofluid electromagnetic induction electricity taking (CT electricity taking) technology is directly used for replacing the CT electricity taking structure device manufactured by adopting solid magnetic materials such as iron-silicon alloy, soft magnetic ferrite or permalloy and the like.
According to the related data, the application technology of the magnetic liquid (magnetofluid) has been a lot of mature technical application results and products in industries of industry, medical treatment, military and the like all over the world for decades. The magnetic properties of the magnetic liquid are basically characterized in that: the particles that make up the suspension of the magnetic liquid are ferromagnetic or ferrimagnetic, but the ferromagnetic or ferrimagnetic particles in the magnetic liquid are usually smaller than the critical dimension of the monodomain, and above a certain temperature, the magnetic moments of the particles will be randomly oriented under the action of thermal motion, so that the particles behave like paramagnetic molecules, which differ from paramagnetic molecules in that they contain about 10 of these particles5Atoms ferromagnetically coupled to each other, so that the magnetic liquid tends to exhibitSuperparamagnetism, namely the characteristics of no remanence, zero coercive force and strong magnetism.
Therefore, compared with a solid magnet with the same volume, the magnet of the magnetic liquid structure has the characteristics that the magnetism is stronger than that of the solid magnet, and the appearance shape plasticity is strong. The magnetic fluid is applied to CT power taking, and has the advantages of material substitution, application structure substitution and the like.
Example 2:
the annular electricity-taking device shown in fig. 2 is a magnetic liquid ring 200, and the magnetic liquid ring 200 may be an in-ring liquid storage integral volume ring structure, that is, formed by an annular liquid storage shell, magnetic liquid is contained in the annular liquid storage shell, and the annular liquid storage shell is provided with a liquid injection hole 201, and the liquid injection hole 201 is used for injecting the magnetic liquid.
The magnetic liquid ring 200 can also be formed into a magnetic ring structure consisting of 2 semi-rings of independent sealed inner liquid storage structures or a plurality of independent segmented rings. Each segmented ring body is provided with an independent sealed liquid storage shell, magnetic liquid is filled in the liquid storage shell, and the liquid storage shell is provided with a liquid injection hole.
When in use, the annular CT electricity taking structure device designed and manufactured by adopting the magnetofluid electromagnetic induction electricity taking (CT electricity taking) technology can be directly used to replace the CT electricity taking structure device manufactured by adopting solid magnetic materials such as iron-silicon alloy, soft magnetic ferrite or permalloy and the like.
The shape of the electricity taking device can be set to be any shape so as to adapt to different devices or products.
Example 3:
as shown in fig. 4, based on embodiment 1, a magnetic induction structure 106 is additionally disposed on the periphery of the liquid storage housing 102, the magnetic induction structure 106 is sleeved on the periphery of the liquid storage housing 102, the magnetic induction structure 106 has a liquid storage cavity, magnetic liquid is contained in the liquid storage cavity, and the magnetic induction structure 106 is provided with a liquid injection hole 107 for injecting the magnetic liquid.
The magnetic induction structure is only arranged around the liquid storage shell by one circle, and a winding mode of multiple circles is not needed, so that the magnetism of the magnetic fluid loop in the magnetic fluid ring is enhanced by the structure, and the magnetic induction intensity is enhanced.
By referring to the structural principle and the application appearance schematic diagram of the magnetofluid medium electromagnetic induction electricity taking (CT electricity taking) belt ring device disclosed by the disclosure, a person skilled in the art can apply more technical innovation products in the aspects of designing and manufacturing the magnetofluid CT electricity taking belt ring device or product, and the application and development of technical transformation and innovation in the CT electricity taking field are promoted.
According to the basic composition principle of the electricity taking device disclosed by the invention, in the instruments and equipment needing CT electricity taking for household appliances, industry, military affairs, medical treatment and the like, a magnetic fluid electromagnetic induction electricity taking (CT electricity taking) belt ring device which has the characteristics of stronger magnetism than a solid magnet with the same volume, no remanence, zero coercive force and strong appearance shape plasticity is designed and manufactured.
When the magnetic fluid CT electricity taking device is used on site, the magnetic fluid 102 in the liquid storage shell 101 can be pre-filled and then inserted into a closed-loop magnetic fluid loop on site for application, as in embodiment 1; the device structure with the liquid injection hole in the figures 2 and 4 can also be designed and manufactured, such as the embodiment 2 and the embodiment 3, so that the magnetic liquid can be injected on site when the device is installed on site.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The magnetic fluid electromagnetic induction electricity taking device is characterized by comprising a liquid storage shell, magnetic liquid is filled in the liquid storage shell, one end of the liquid storage shell is provided with a belt ring outer puncture connector, the other end of the liquid storage shell is provided with a belt ring sealing sleeve, and the end part of the liquid storage shell, which is connected with the belt ring sealing sleeve, is fixedly provided with a belt ring inner puncture connector.
2. The magnetic fluid electromagnetic induction power taking device as claimed in claim 1, wherein the outer puncture connector with the ring and the inner puncture connector with the ring are both provided with a spike-shaped structure.
3. The magnetic fluid electromagnetic induction power taking device according to claim 2, wherein the puncture connector outside the ring belt can be inserted into the ring belt sealing sleeve to form a ring-shaped structure, and the puncture connector inside the ring belt punctures the liquid storage shell and is in contact with the magnetic liquid.
4. The magnetic fluid electromagnetic induction power taking device as claimed in claim 3, wherein the band ring outer puncture joint and the band ring sealing sleeve are in adhesive sealing.
5. The magnetic fluid electromagnetic induction power taking device as claimed in claim 1, wherein the outer puncture connector with the ring and the sealing sleeve with the ring are fixedly connected with the liquid storage shell.
6. The magnetic fluid electromagnetic induction power taking device as claimed in claim 5, wherein the belt ring outer piercing connector, the belt ring sealing sleeve and the liquid storage shell are of an integrated structure.
7. The magnetofluid electromagnetic induction power taking device according to claim 1, wherein the magnetic induction structure is sleeved on the outer periphery of the liquid storage shell, the magnetic induction structure is provided with a liquid storage cavity, magnetic liquid is filled in the liquid storage cavity, and the magnetic induction structure is provided with a liquid injection hole for injecting the magnetic liquid.
8. The magnetic fluid electromagnetic induction power taking device as claimed in claim 1, wherein the belt ring inner puncture connector is arranged inside the belt ring sealing sleeve; the liquid storage shell is in a belt shape, and the liquid storage shell, the belt ring outer penetrating joint and the belt ring sealing sleeve are made of plastic materials.
9. A magnetofluid electromagnetic induction electricity taking device is characterized by comprising a liquid storage shell, wherein magnetic liquid is filled in the liquid storage shell, and the liquid storage shell is provided with a liquid injection hole for injecting the magnetic liquid; the liquid storage shell is of an annular structure.
10. The magnetic fluid electromagnetic induction power taking device according to claim 9, wherein the liquid storage shell is formed by splicing a plurality of arc-shaped shells, and each arc-shaped shell is a closed cavity and contains magnetic liquid.
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CN202010175036.9A CN111371282B (en) | 2020-03-13 | 2020-03-13 | Magnetic fluid electromagnetic induction electricity taking device |
PCT/CN2020/132498 WO2021179695A1 (en) | 2020-03-13 | 2020-11-28 | Magnetic fluid electromagnetic induction power drawing device |
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CN202010175036.9A CN111371282B (en) | 2020-03-13 | 2020-03-13 | Magnetic fluid electromagnetic induction electricity taking device |
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CN111371282B CN111371282B (en) | 2021-05-25 |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN112506247A (en) * | 2020-12-04 | 2021-03-16 | 广东电网有限责任公司江门供电局 | Intelligent Internet of things early warning and dehumidification system |
WO2021179695A1 (en) * | 2020-03-13 | 2021-09-16 | 山东兰动智能科技有限公司 | Magnetic fluid electromagnetic induction power drawing device |
CN113972809A (en) * | 2021-10-27 | 2022-01-25 | 山东兰动智能科技有限公司 | Magnetic fluid natural circulation power generation device and method utilizing thermal energy |
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CN112506247A (en) * | 2020-12-04 | 2021-03-16 | 广东电网有限责任公司江门供电局 | Intelligent Internet of things early warning and dehumidification system |
CN113972809A (en) * | 2021-10-27 | 2022-01-25 | 山东兰动智能科技有限公司 | Magnetic fluid natural circulation power generation device and method utilizing thermal energy |
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