Magnetic fluid device for deicing of power transmission line

By using a magnetohydrodynamic device to drive the de-icing blades to rotate using the magnetic field of the power transmission line, the problems of high cost and high energy consumption in power transmission line de-icing are solved, achieving low-cost and high-efficiency de-icing effect.

CN223472021UActive Publication Date: 2025-10-24XIHUA UNIV +1
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Patent Information

Application Number
CN202422725342.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-07
Publication Date
2025-10-24
Estimated Expiration
2034-11-07

AI Technical Summary

Technical Problem

Existing technologies for preventing icing on power transmission lines suffer from high maintenance costs and high energy consumption.

Method used

A magnetohydrodynamic device is used, including a fixed ring, a de-icing plate, and a protrusion. The magnetic field generated by the power transmission line drives the de-icing plate to rotate. De-icing is achieved through the contact and relative movement between the de-icing plate and the ice and snow.

Benefits of technology

It reduces the maintenance cost of de-icing, reduces energy consumption, and effectively prevents power line failures caused by snow and ice accumulation.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a magnetic fluid device for deicing a power transmission line, belongs to the technical field of deicing of the power transmission line, and solves the technical problem that the deicing cost of the power transmission line is high at present. The magnetofluid device for deicing the power transmission line comprises a fixed ring, a deicing piece and a bulge, wherein the fixed ring is sleeved on the power transmission line; the de-icing piece is rotatably mounted on the fixing ring and extends in the radial direction of the fixing ring, one side of the de-icing piece abuts against the power transmission line, and the de-icing piece rotates in the axial direction of the power transmission line so as to de-ice the power transmission line; the protrusion is installed on the side, close to the power transmission line, of the de-icing piece, a cavity is formed in the protrusion, and the cavity is filled with magnetic fluid. Therefore, the magnetic fluid device for deicing the power transmission line pushes the deicing sheet to rotate to deice the power transmission line through the magnetic field generated during power transmission of the power transmission line, the maintenance cost is reduced, and the energy consumption is low.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of transmission line deicing, especially relates to a magnetic fluid device for transmission line deicing. BACKGROUND

[0002] With the rapid development of China's economy, people's living standards are improving, at the same time, the rapid rise of electricity load also brings great pressure to China's power industry. With the wide application of electric power in the global field, countries pay great attention to the production, conversion and transportation of electric power, and the theme of pursuing high efficiency production, low loss transportation and high efficiency utilization of electric power continues throughout the energy power industry.

[0003] In actual operation, the transmission line icing and snowing will occur, which will increase the arc of the electric wire and reduce the distance between the electric wire and other lines, thereby causing short circuit tripping accident, and in severe cases, it will also cause wire breakage and pole and tower falling accidents.

[0004] At present, the main means for preventing the icing of the transmission line are solid icing coating anti-icing and transmission line current deicing. The solid icing coating anti-icing reduces the adhesion strength of the ice and the snow on the overhead line, however, the solid anti-icing coating needs to be regularly maintained and updated to ensure its anti-icing effect, and the coating material cost and labor cost are high. The transmission line current deicing is to apply high current density transmission current in the line, and the joule heat generated by the current flowing through the line impedance makes the ice layer on the line warm and melt. The current deicing technology needs to consume a large amount of electric energy. Although the solid anti-icing coating and the transmission line current deicing both alleviate the icing problem, they have limitations such as high maintenance cost and high energy consumption. UTILITY MODEL CONTENTS

[0005] The utility model provides a kind of magnetic fluid device for transmission line deicing, to solve the technical problem of current transmission line deicing high cost.

[0006] The utility model realizes by the following technical scheme: a kind of magnetic fluid device for transmission line deicing, including fixed ring, deicing piece and protrusion, wherein fixed ring is set on the transmission line;Deicing piece is rotatably installed on the fixed ring, and the deicing piece extends along the radial direction of the fixed ring, and the side of the deicing piece is in abutment with the transmission line, and the deicing piece rotates along the axial direction of the transmission line to deice the transmission line;Protrusion is installed on the side of the deicing piece close to the transmission line, and the protrusion is provided with cavity, and the cavity is filled with magnetic fluid.

[0007] Optionally, the thickness of the deicing piece gradually decreases from the middle to both sides of the deicing piece, and both sides of the deicing piece are in abutment with the transmission line.

[0008] Optionally, the number of the fixed rings is two, and the two ends of the deicing sheet are rotatably installed on the fixed rings.

[0009] Optionally, the device further comprises an inner ring rotatably installed on any one of the fixed rings, and one end of the deicing sheet is installed on the inner ring, and the inner ring rotates along the axial direction of the fixed ring to drive the deicing sheet to deice the power transmission line.

[0010] Optionally, a sliding groove is formed on the side of the fixed ring close to the inner ring, and the end of the deicing sheet away from the inner ring is slidably installed in the sliding groove, and the deicing sheet slides along the sliding groove.

[0011] Optionally, the device further comprises a connecting line, one end of the connecting line is installed on the fixed ring, and the other end of the connecting line is installed on the power transmission line to fix the fixed ring on the power transmission line.

[0012] Optionally, the deicing sheet is a permanent magnet.

[0013] Optionally, a plurality of the magnetic fluid devices are provided, and the plurality of magnetic fluid devices are uniformly distributed along the extension direction of the power transmission line.

[0014] Compared with the prior art, the device has the following beneficial effects:

[0015] The device comprises a fixed ring, a deicing sheet and a protrusion, the fixed ring is sleeved on the power transmission line, the deicing sheet is rotatably installed on the fixed ring, the deicing sheet extends along the radial direction of the fixed ring, one side of the deicing sheet abuts against the power transmission line, and the deicing sheet rotates along the axial direction of the power transmission line to deice the power transmission line, the protrusion is installed on the side of the deicing sheet close to the power transmission line, the protrusion is internally provided with a cavity, and the cavity is filled with magnetic fluid.

[0016] Through the above structure, in the device, when the power transmission line transmits power, a circular magnetic field around the wire in the circumferential direction is generated around the power transmission line, under the action of the magnetic field, the magnetic fluid moves along the direction of the magnetic field, thereby pushing the protrusion to rotate along the axial direction of the power transmission line, under the driving of the protrusion, the deicing sheet rotates along the axial direction of the power transmission line, thereby abutting against and moving relative to the ice and snow on the power transmission line, so that the ice and snow on the power transmission line is gradually removed, the effect of reducing the load of the power transmission line is achieved, and the possibility of the power transmission line being broken due to the gradual accumulation of ice and snow is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained from these drawings without creative labor.

[0018] Figure 1 is a structural schematic view of a magnetic fluid device for deicing power lines provided by the present application;

[0019] Figures 2-4 is a sectional view of a magnetic fluid device for deicing power lines provided by the present application;

[0020] Figure 5 is Figure 2 the enlarged structural schematic view of the A area in the figure.

[0021] In the figure:

[0022] 1-fixed ring; 11-slideway; 2-ice removing sheet; 3-protrusion; 4-magnetic fluid; 5-inner ring; 6-connection line. DETAILED DESCRIPTION

[0023] In the description of the present application, it should be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0024] The terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, unless otherwise specified, the meaning of "a plurality of" is two or more.

[0025] In the description of the present application, it should be noted that unless otherwise specified and limited, the terms "mounting", "connecting", "connecting" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0026] In order to make the objects, technical solutions and advantages of the present application clearer, the technical solutions of the present application will be described in detail below. Obviously, the described embodiments are only some of the embodiments of the present application, not all. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work belong to the scope of protection of the present application.

[0027] Embodiments

[0028] The utility model provides a kind of for transmission line deicing magnetic fluid device, solve current transmission line deicing cost high technical problem.The magnetic fluid device for transmission line deicing comprising fixed ring 1, deicing piece 2 and protrusion 3, wherein:

[0029] Fixed ring 1 is sleeved on transmission line, fixed ring 1 can be fixed on transmission line by way of clamp, fixed rope etc., to ensure that it does not loosen or fall off in working process, the size of fixed ring 1 can be specifically designed according to the diameter of transmission line, so that fixed ring 1 is better fixed on transmission line.

[0030] Deicing piece 2 is rotationally installed on fixed ring 1, and deicing piece 2 is in strip shape, extends along the radial direction of fixed ring 1, i.e. the extension direction of deicing piece 2 is parallel to the radial direction of transmission line, and the number of deicing piece 2 can be set to multiple according to use demand, and multiple deicing piece 2 is evenly distributed around fixed ring 1 to improve deicing efficiency, and one end of deicing piece 2 is connected to fixed ring 1 by bearing, pin shaft or other rotating connection mode, so that deicing piece 2 can rotate freely along the axial direction of transmission line, and in the rotating process, one side of deicing piece 2 abuts against transmission line, and the ice and snow attached to transmission line is equivalent to moving by deicing piece 2, so as to remove the ice and snow attached to transmission line.

[0031] Protrusion 3 is installed on the side of deicing piece 2 close to transmission line, and the cavity is provided in protrusion 3, and magnetic fluid 4 is filled in the cavity of protrusion 3, under the action of magnetic field, the magnetic particles in magnetic fluid 4 will arrange and move along the direction of magnetic field, when transmission line is powered, a circular magnetic field will be generated around transmission line, and the magnetic field interacts with magnetic fluid 4 in protrusion 3, under the action of magnetic field, the magnetic particles in magnetic fluid 4 will move along the direction of magnetic field, since the magnetic field generated by transmission line is circular, therefore the magnetic particles in magnetic fluid 4 will move along the direction of this circular magnetic field, and the movement of magnetic fluid 4 will push protrusion 3 to rotate along the axial direction of transmission line, since protrusion 3 is fixedly connected with deicing piece 2, therefore the rotation of protrusion 3 will drive deicing piece 2 to rotate together, with the rotation of deicing piece 2, deicing piece 2 abuts against and moves relative to the ice and snow on transmission line, so as to gradually shovel off the ice and snow on transmission line.

[0032] Through the above structure, the magnetic fluid 4 device for deicing the power transmission line provided by the utility model, when the power transmission line is transmitting power, the power transmission line generates a circular magnetic field around the wire, under the action of the magnetic field, the magnetic fluid 4 moves along the direction of the magnetic field, thereby driving the convex 3 to rotate along the axial direction of the power transmission line, under the driving of the convex 3, the deicing sheet 2 rotates along the axial direction of the power transmission line, thereby abutting against and moving relative to the ice and snow on the power transmission line, thereby gradually shoveling the ice and snow on the power transmission line, achieving the effect of reducing the load of the power transmission line, and reducing the possibility of the power transmission line being broken due to the gradual accumulation of ice and snow.

[0033] An optional embodiment of the embodiment is as follows: the thickness of the deicing sheet 2 gradually decreases along the circumferential direction of the power transmission line from the middle part of the deicing sheet 2 to both sides, so that the two side edges of the deicing sheet 2 are more sharp, thereby being more easily in contact with the surface of the power transmission line and cutting into the ice and snow layer to clean the ice and snow, since both sides of the deicing sheet 2 abut against the power transmission line, the two sides of the deicing sheet 2 can clean the ice and snow on the power transmission line regardless of the direction in which the deicing sheet 2 rotates, and the use is more convenient.

[0034] An optional embodiment of the embodiment is as follows: the number of the fixing rings 1 is two, the two fixing rings 1 are oppositely arranged, the two ends of the deicing sheet 2 are rotatably installed on the fixing rings 1, and the distance between the two fixing rings 1 can be specifically adjusted according to the use requirement, so that the two ends of the deicing sheet 2 can be installed on the two fixing rings 1, to meet the deicing operation on the power transmission line, the two fixing rings 1 can prevent the deicing sheet 2 from falling off or deviating during the operation, and can also ensure that the deicing sheet 2 maintains a constant distance from the power transmission line, to better deice the power transmission line.

[0035] An optional embodiment of the embodiment is as follows: in order to better rotate the deicing sheet 2, the magnetic fluid 4 device for deicing the power transmission line further comprises an inner ring 5, the inner ring 5 is rotatably installed on any fixing ring 1, the inner ring 5 can freely rotate along the axial direction of the fixing ring 1, the inner ring 5 is rotatably installed on the fixing ring 1 through a bearing or the like, so that the inner ring 5 can rotate relative to the fixing ring 1, one end of the deicing sheet 2 is installed on the inner ring 5, to ensure that the deicing sheet 2 can rotate with the inner ring 5, when the power transmission line is powered, the magnetic field generated around the power transmission line moves the magnetic fluid 4 in the deicing sheet 2 or the inner ring 5, thereby driving the deicing sheet 2 to drive the inner ring 5 to rotate along the axial direction of the fixing ring 1, and gradually removing the ice and snow along with the rotation of the deicing sheet 2.

[0036] An optional embodiment of the embodiment is as follows: a sliding groove 11 is formed on the other side of the fixed ring 1 close to the inner ring 5, the size of the sliding groove 11 can be determined according to the use requirement, the sliding groove 11 should ensure that the deicing piece 2 can smoothly slide inside, and the sliding groove 11 can guide the movement of the deicing piece 2, so as to ensure that the deicing piece 2 can rotate around the axis of the power transmission line.

[0037] An optional embodiment of the embodiment is as follows: in order to better fix the fixed ring 1, the magnetic fluid 4 device for deicing the power transmission line further comprises a connecting line 6, one end of the connecting line 6 is installed on the fixed ring 1, and the other end is installed on the power transmission line, the connecting line 6 is used for firmly fixing the fixed ring 1 on the power transmission line, and the connecting line 6 is made of high-strength materials such as steel wire, metal rope, such as steel wire rope, synthetic fiber rope or metal chain, so as to stably fix the fixed ring 1 and the power transmission line, and reduce the falling or deviation of the fixed ring 1.

[0038] An optional embodiment of the embodiment is as follows: the deicing piece 2 is a permanent magnet, under the magnetic field action of the permanent magnet, the magnetic fluid 4 moves to the direction close to the permanent magnet, so as to better push the deicing piece 2 to deice under the magnetic field action of the power transmission line.

[0039] An optional embodiment of the embodiment is as follows: a plurality of magnetic fluid 4 devices are arranged, and the plurality of magnetic fluid 4 devices are uniformly distributed along the extension direction of the power transmission line.

[0040] In summary, in the magnetic fluid 4 device for deicing the power transmission line, the fixed ring 1 is fixed on the power transmission line through the connecting rope, when the power transmission line transmits power, a circular magnetic field around the power transmission line is generated, under the action of the magnetic field, the magnetic fluid 4 moves along the direction of the magnetic field, so as to push the protrusion 3 to rotate along the axis of the power transmission line, under the driving of the protrusion 3, the deicing piece 2 rotates in the sliding groove 11 along the axis of the power transmission line, so as to abut and relatively move with the ice and snow on the power transmission line, thereby gradually shoveling the ice and snow on the power transmission line, achieving the effect of reducing the load of the power transmission line, and reducing the possibility of gradually accumulating ice and snow to break the power transmission line. Therefore, the magnetic fluid 4 device for deicing the power transmission line pushes the deicing piece 2 to rotate to deice the power transmission line through the magnetic field generated when the power transmission line transmits power, thereby reducing the maintenance cost and reducing energy consumption.

[0041] The above is only a specific implementation manner of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art can easily think of changes or replacements within the technical range disclosed in the utility model, which should be covered in the protection scope of the utility model. Therefore, the protection scope of the utility model should be subject to the protection scope of the claims.

Claims

1. A magnetic fluid device for de-icing of power lines, characterized in that, The utility model relates to a transmission line deicing device, comprising: a fixed ring sleeved on the transmission line; an ice-removing sheet rotatably installed on the fixed ring, the ice-removing sheet extending along the radial direction of the fixed ring, one side of the ice-removing sheet abutting against the transmission line, the ice-removing sheet rotating along the axial direction of the transmission line to remove ice on the transmission line; a protrusion installed on the side of the ice-removing sheet close to the transmission line, the protrusion having a cavity filled with magnetic fluid.

2. A magnetic fluid device for de-icing power lines according to claim 1, characterized in that, The thickness of the ice-removing sheet gradually decreases from the middle part to both sides, and both sides of the ice-removing sheet abut against the transmission line.

3. A magnetic fluid device for de-icing power lines according to claim 1, wherein, The number of the fixed rings is two, and both ends of the ice-removing sheet are rotatably installed on the fixed rings.

4. A magnetic fluid device for de-icing power lines according to claim 3, wherein, Further comprising: an inner ring rotatably installed on any one of the fixed rings, one end of the ice-removing sheet being installed on the inner ring, the inner ring rotating along the axial direction of the fixed ring to drive the ice-removing sheet to remove ice on the transmission line.

5. A magnetic fluid device for de-icing power lines according to claim 4, wherein, A sliding groove is formed on the side of the fixed ring close to the inner ring, and the end of the ice-removing sheet away from the inner ring is slidably installed in the sliding groove, the ice-removing sheet sliding along the sliding groove.

6. A magnetic fluid device for de-icing power lines according to claim 4, wherein, Further comprising: a connecting line having one end installed on the fixed ring and the other end installed on the transmission line to fix the fixed ring on the transmission line.

7. A magnetic fluid device for de-icing power lines according to claim 1, wherein The ice-removing sheet is a permanent magnet.

8. A magnetic fluid device for de-icing power lines according to claim 1, wherein, A plurality of magnetic fluid devices are provided, and the plurality of magnetic fluid devices are uniformly distributed along the extension direction of the transmission line.