An overhead conductor energy collection device

By installing electromagnetic inductance components and springs on overhead conductors, the problem of low energy conversion efficiency in existing technologies is solved, enabling effective energy conversion and collection in cloudy and rainy weather. It is applicable to both AC and DC conductors and suppresses vibration.

CN110994518BActive Publication Date: 2025-10-21STEJT GRID ELEKTRIK PAUER INZHINIRING RISERCH INSTITYUT KO LTD +1
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Patent Information

Application Number
CN201911193056.2
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2019-11-28
Publication Date
2025-10-21
Estimated Expiration
2039-11-28

AI Technical Summary

Technical Problem

Existing technologies cannot effectively absorb and convert the energy of wind-induced vibrations in overhead conductors, especially light wind vibrations and icing, which leads to insufficient power supply to online monitoring equipment during prolonged rainy weather or on DC overhead conductors.

Method used

An energy collection device consisting of an electromagnetic inductance component, a charging circuit, and overhead wires for the first and second springs within a hollow protective shell is used. Vibration energy is converted into electrical energy through the electromagnetic inductance component, and stiffness and damping are optimized using nonlinear energy groove theory to suppress wind vibration and icing.

Benefits of technology

It enables energy conversion and collection from overhead conductors during prolonged rainy weather, providing power to online monitoring equipment. It is applicable to both AC and DC overhead conductors, improving conductor damping and suppressing vibration.

✦ Generated by Eureka AI based on patent content.

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Abstract

The application provides an overhead conductor energy collection device, which comprises a hollow protective shell (1), an electromagnetic mutual inductance assembly, a charging circuit, a first spring (2) and a second spring (3) in the protective shell (1); the charging circuit is connected with the electromagnetic mutual inductance assembly; the electromagnetic mutual inductance assembly is connected with the inner wall of the protective shell (1) through the first spring (2) and the second spring (3) respectively; the electromagnetic mutual inductance assembly is used for converting the vibration energy into electric energy; the energy in the process of breeze vibration or conductor dancing can be absorbed, the mechanical energy is converted into electric energy, the function of improving the damping of the conductor itself and inhibiting the breeze vibration and the ice dancing is achieved; the energy collection device is suitable for not only the AC overhead conductor but also the DC overhead conductor.
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Description

Technical Field

[0001] The present invention relates to the technical field of disaster prevention and reduction of power grids, and in particular to an overhead conductor energy collection device. Background Art

[0002] Currently, the most common equipment used to monitor the operating status of overhead lines is an online transmission line monitoring device. The online monitoring and energy supply device includes solar panels and batteries, or an inductive power supply device and batteries. Due to size and weight limitations, online monitoring and energy supply devices including solar panels and batteries are mostly installed on towers. Prolonged rainy weather can lead to slow energy conversion, making it impossible to effectively power equipment installed on overhead lines. Furthermore, online monitoring and energy supply devices including inductive power supply devices and batteries, due to their extremely low energy acquisition efficiency, are unable to perform long-term, high-frequency monitoring of AC overhead lines and are unusable on DC overhead lines.

[0003] Wind-induced vibration of overhead conductors is a common phenomenon. It primarily includes breeze vibration (5Hz-120Hz), sub-span oscillation (1Hz-3Hz), ice dance (0.1Hz-3Hz), and wind deflection. Breeze vibration and ice dance exhibit distinct vertical vibration characteristics, particularly breeze vibration, which persists over a long period of time. However, because breeze vibration is mechanical energy and their frequency domain characteristics differ significantly, existing resonant structures are unable to absorb and convert this energy. Summary of the Invention

[0004] In order to overcome the deficiency of the above-mentioned prior art that energy absorption and conversion cannot be achieved, the present invention provides an overhead conductor energy collection device, comprising a hollow protective shell (1), an electromagnetic mutual induction component located in the protective shell (1), a charging circuit, a first spring (2) and a second spring (3); the charging circuit is connected to the electromagnetic mutual induction component, and the electromagnetic mutual induction component is connected to the inner wall of the protective shell (1) through the first spring (2) and the second spring (3), respectively. The electromagnetic mutual induction component is used to convert vibration energy into electrical energy, and can not only absorb energy in the process of breeze vibration or conductor dancing and convert mechanical energy into electrical energy, but also has the function of improving the conductor's own damping and suppressing breeze vibration and ice-covered dancing.

[0005] In order to achieve the above-mentioned object of the invention, the present invention adopts the following technical solutions:

[0006] The present invention provides an overhead conductor energy collection device, comprising a hollow protective shell (1), an electromagnetic mutual inductance component located in the protective shell (1), a charging circuit, a first spring (2), and a second spring (3);

[0007] The charging circuit is connected to an electromagnetic mutual induction component, which is connected to the inner wall of the protective shell (1) via a first spring (2) and a second spring (3), respectively. The electromagnetic mutual induction component is used to convert vibration energy into electrical energy.

[0008] The electromagnetic mutual inductance component is located in the middle of the protective shell (1) and is vertically arranged with respect to the first spring (2) and the second spring (3), and its height is equal to the height of the hollow portion of the protective shell (1).

[0009] The electromagnetic mutual induction component includes an induction coil and a permanent magnet;

[0010] There are two induction coils, which are fixed to the upper wall and the lower wall inside the protective shell (1) respectively. The permanent magnet is arranged in the two induction coils. The permanent magnet is horizontally connected to the centers of the two end surfaces of the protective shell (1) through a first spring (2) and a second spring (3);

[0011] The height of the permanent magnet is 95% to 105% of the height of the induction coil, and its aspect ratio is 2.5 to 5;

[0012] The two induction coils have the same height, and both have a height that is 30% of the height of the hollow portion of the protective shell (1). The diameters of both have a diameter that is 1.1 to 1.2 times the horizontal width of the permanent magnet.

[0013] There are two permanent magnets, one end of each of the two permanent magnets is fixed to the upper wall and the lower wall at the middle position inside the protective shell (1), and the other end of each permanent magnet is placed in the induction coil, and the induction coil is horizontally connected to the center of the two end surfaces of the protective shell (1) through the first spring (2) and the second spring (3);

[0014] The height of the permanent magnet is equal to the height of the hollow portion of the protective shell (1), and its aspect ratio is 5 to 10;

[0015] The height of the induction coil is 20% to 80% of the height of the hollow portion of the protective shell (1), and the diameter thereof is 1.1 to 1.2 times the horizontal width of the permanent magnet.

[0016] The charging circuit includes a battery and a circuit board;

[0017] The battery and the circuit board are fixed on the inner wall of the protective shell (1), and the battery is connected to the induction coil via the circuit board.

[0018] The height of the hollow portion of the protective shell (1) is 5 to 20 cm, its length is greater than the height of the hollow portion, and its thickness is 5 to 10 mm.

[0019] The permanent magnet is cylindrical or rectangular; the horizontal width is 5 to 20 mm;

[0020] The protective shell (1) is made of aluminum alloy or carbon steel;

[0021] The material of the permanent magnet is iron.

[0022] The first spring (2) and the second spring (3) are both cylindrical springs or conical springs, and both have the same length and rigidity.

[0023] The linear stiffness of the energy collecting device is determined based on the preload and length of the first spring (2) / second spring (3), and the cubic stiffness thereof is determined based on the preload, length and stiffness of the first spring (2) / second spring (3).

[0024] The linear stiffness of the energy collecting device is determined by the following formula:

[0025]

[0026] Wherein, k1 is the linear stiffness of the energy collecting device, f is the preload force of the first spring (2) / the second spring (3), and l is the length of the first spring (2) / the second spring (3).

[0027] The cubic stiffness of the energy collecting device is determined by the following formula:

[0028]

[0029] Wherein, k3 is the cubic stiffness of the energy collecting device, and k is the stiffness of the first spring (2) / the second spring (3).

[0030] The electromagnetic mutual induction component and the first spring (2), the first spring (2) and the protective shell (1), the electromagnetic mutual induction component and the second spring (3), and the second spring (3) and the protective shell (1) are all connected in the form of welding or hanging rings.

[0031] Compared with the closest existing technology, the technical solution provided by the present invention has the following beneficial effects:

[0032] The overhead wire energy collection device provided by the present invention comprises a hollow protective shell (1), an electromagnetic mutual induction component located in the protective shell (1), a charging circuit, a first spring (2) and a second spring (3); the charging circuit is connected to the electromagnetic mutual induction component, and the electromagnetic mutual induction component is connected to the inner wall of the protective shell (1) through the first spring (2) and the second spring (3), respectively. The electromagnetic mutual induction component is used to convert vibration energy into electrical energy, and can not only absorb energy during breeze vibration or conductor dancing and convert mechanical energy into electrical energy, but also has the function of improving the conductor's own damping and suppressing breeze vibration and ice-covered dancing;

[0033] The present invention determines the linear stiffness and cubic stiffness of the energy collecting device based on the nonlinear energy trough theory, effectively utilizing the wind-induced vibration energy of the conductor;

[0034] The energy collection device provided by the present invention can realize the conversion of mechanical energy generated by wind-induced vibration into electrical energy in rainy weather for a long time, and collect the converted electrical energy to power equipment installed on overhead wires;

[0035] The energy collecting device provided by the present invention is applicable not only to overhead AC conductors, but also to overhead DC conductors. BRIEF DESCRIPTION OF THE DRAWINGS

[0036] Figure 1 This is a schematic diagram of the installation of an overhead conductor energy collector device according to an embodiment of the present invention;

[0037] Figure 2 This is a structural diagram of an overhead conductor energy collection device according to an embodiment of the present invention;

[0038] Figure 3 This is another structural diagram of the overhead conductor energy collection device in an embodiment of the present invention;

[0039] Figure 4 This is a diagram showing the principle of geometric nonlinearity in an embodiment of the present invention;

[0040] In the figure, 1. protective shell, 2. first spring, 3. second spring, 4. overhead wire, 5. third permanent magnet, 6. first induction coil, 7. second induction coil, 8. first permanent magnet, 9. third induction coil, 10. second permanent magnet, 11. energy collection device, 12. connecting plate. DETAILED DESCRIPTION

[0041] The present invention will be described in further detail below with reference to the accompanying drawings.

[0042] Example 1

[0043] Embodiment 1 of the present invention provides an overhead conductor energy collecting device, such as Figure 1 As shown, the energy collecting device 11 is welded to the connecting plate 12, and the connecting plate 12 is fixed to the overhead conductor 4 through a wire clamp, or the connecting plate 12 is fixed to the spacer rod through a wire clamp, thereby realizing the conversion and collection of mechanical energy generated by the wind-induced dancing of the overhead conductor into electrical energy.

[0044] The energy collection device provided in Example 1 of the present invention includes a hollow protective shell 1, an electromagnetic mutual inductance component located in the protective shell 1, a charging circuit, a first spring 2 and a second spring 3;

[0045] The charging circuit is connected to the electromagnetic mutual inductance component, which is connected to the inner wall of the protective shell 1 through the first spring 2 and the second spring 3 respectively. The electromagnetic mutual inductance component is used to convert vibration energy into electrical energy.

[0046] The electromagnetic mutual inductance component is located in the middle of the protective shell 1 and is vertically arranged with respect to the first spring 2 and the second spring 3 . The height of the electromagnetic mutual inductance component is equal to the height of the hollow portion of the protective shell 1 .

[0047] like Figure 2 As shown, the electromagnetic mutual induction component includes an induction coil and a permanent magnet; there are two induction coils, namely Figure 2 The first induction coil 6, the second induction coil 7, and the permanent magnet have one, namely Figure 2 The first permanent magnet 8, the upper end of the first induction coil 6 and the lower end of the second induction coil 7 are respectively fixed to the upper wall and the lower wall inside the protective shell 1, the lower end of the first induction coil 6 and the upper end of the second induction coil 7 are both free ends, and the first permanent magnet 8 is arranged in the two induction coils, that is, the upper end of the first permanent magnet 8 is placed inside the lower end of the first induction coil 6, and the lower end thereof is placed inside the upper end of the second induction coil 7.

[0048] The first permanent magnet 8 is horizontally connected to the centers of the two end surfaces of the protective shell 1 through the first spring 2 and the second spring 3;

[0049] The charging circuit includes a battery and a circuit board;

[0050] The battery and the circuit board are fixed on the inner wall of the protective shell 1 , and the battery is connected to the first induction coil 6 and the second induction coil 7 through the circuit board.

[0051] The height of the hollow portion of the protective shell 1 is 5 to 20 cm, the length thereof is greater than the height of the hollow portion, and the thickness thereof is 5 to 10 mm.

[0052] The first permanent magnet 8 is cylindrical or rectangular with a width of 5 to 20 mm;

[0053] The height of the first permanent magnet 8 is 95% to 105% of the height of the first induction coil 6 / the second induction coil 7, and its aspect ratio is 2.5 to 5;

[0054] The first induction coil 6 and the second induction coil 7 are both cylindrical spiral windings. The first induction coil 6 and the second induction coil 7 are equal in height, and both are 30% of the height of the hollow portion of the protective shell 1. The diameters of both are 1.1 to 1.2 times the width of the first permanent magnet 8.

[0055] The material of the protective shell 1 is aluminum alloy or carbon steel;

[0056] The first permanent magnet 8 is made of iron.

[0057] The first spring 2 and the second spring 3 are both cylindrical springs or conical springs, and the lengths and stiffnesses of the two are equal.

[0058] The Nonlinear Energy Sink (NES) theory is a novel vibration absorber technology developed based on dynamic vibration absorbers. By modifying the linear stiffness and damping of traditional vibration absorption systems (e.g., introducing a nonlinear spring into a traditional damped spring oscillator system), it aims to broaden the vibration absorption frequency range and improve the vibration reduction effect. The optimized nonlinear vibration absorber can absorb the vibration energy of the main structure over a wide frequency range, while also offering low added mass, strong adaptability, and excellent economic efficiency.

[0059] Example 1 of the present invention determines the linear stiffness and cubic stiffness of the energy collector based on NES. The advantage of geometric nonlinearity is that the nonlinear characteristics can be realized by using linear springs. The specific geometric nonlinear principle diagram is as follows: Figure 4 As shown, Figure 4 Where f is the preload of the first spring 2 and the second spring 3, l is the length of the first spring 2 and the second spring 3, F is the resultant external force of the energy collection device, Δs is the displacement of the first permanent magnet 8, and Δl is the axial extension of the first spring 2 and the second spring 3. Figure 4 The relationship expressed is as follows:

[0060]

[0061] In the above formula, the left side of the equal sign is the force vector triangle, and the right side is the deformation triangle.

[0062] The corresponding geometric relationship is:

[0063] l 2 +Δs 2 =(l+Δl) 2

[0064] Joint and l 2 +Δs 2 =(l+Δl) 2 , eliminating Δl, we get:

[0065]

[0066] Will Do Taylor expansion near the origin Δs = 0, retaining the first cubic terms, and we have:

[0067]

[0068] Therefore, it can be seen that the linear stiffness of the energy collecting device is determined based on the preload force and length of the first spring 2 / second spring 3 , and its cubic stiffness is determined based on the preload force, length and stiffness of the first spring 2 / second spring 3 .

[0069] The linear stiffness of the energy collecting device is determined by the following formula:

[0070]

[0071] Wherein, k1 is the linear stiffness of the energy collecting device, f is the preload force of the first spring 2 / the second spring 3, and l is the length of the first spring 2 / the second spring 3.

[0072] The cubic stiffness of the energy collecting device is determined by the following formula:

[0073]

[0074] Wherein, k3 is the cubic stiffness of the energy collecting device, and k is the stiffness of the first spring 2 / the second spring 3.

[0075] The electromagnetic mutual inductance component and the first spring 2 , the first spring 2 and the protective shell 1 , the electromagnetic mutual inductance component and the second spring 3 , and the second spring 3 and the protective shell 1 are all connected in the form of welding or hanging rings.

[0076] The energy collecting device provided in Example 1 of the present invention can not only absorb energy generated during breeze vibration or conductor dancing and convert mechanical energy into electrical energy, but also, while converting energy into electrical energy for use by online monitoring equipment, the energy collecting device can also improve the conductor's own damping and suppress breeze vibration and dancing.

[0077] Example 2

[0078] Embodiment 2 of the present invention provides an overhead conductor energy collecting device, such as Figure 1 As shown, the energy collecting device 11 is welded to the connecting plate 12, and the connecting plate 12 is fixed to the overhead conductor 4 through a wire clamp, or the connecting plate 12 is fixed to the spacer rod through a wire clamp, thereby realizing the conversion and collection of mechanical energy generated by the wind-induced dancing of the overhead conductor into electrical energy.

[0079] The energy collection device provided in embodiment 2 of the present invention includes a hollow protective shell 1, an electromagnetic mutual inductance component located in the protective shell 1, a charging circuit 5, a first spring 2 and a second spring 3;

[0080] The charging circuit 5 is connected to the electromagnetic mutual inductance component, which is connected to the inner wall of the protective shell 1 through the first spring 2 and the second spring 3 respectively. The electromagnetic mutual inductance component is used to convert vibration energy into electrical energy.

[0081] The electromagnetic mutual inductance component is located in the middle of the protective shell 1 and is vertically arranged with respect to the first spring 2 and the second spring 3 . The height of the electromagnetic mutual inductance component is equal to the height of the hollow portion of the protective shell 1 .

[0082] Electromagnetic mutual induction components include induction coils and permanent magnets, such as Figure 3 As shown, the induction coil has one, namely Figure 3 The third induction coil 9 in the embodiment has two permanent magnets, namely Figure 3The second permanent magnet 10 and the third permanent magnet 5;

[0083] One end of each of the second permanent magnet 10 and the third permanent magnet 5 is respectively fixed to the upper wall and lower wall in the middle position inside the protective shell 1, and the other end of each is placed in the induction coil. Specifically, the upper end of the second permanent magnet 10 is fixed to the upper wall in the middle position inside the protective shell 1, and the lower end of the second permanent magnet 10 is located inside the upper end of the third induction coil 9. The lower end of the third permanent magnet 5 is fixed to the lower wall in the middle position inside the protective shell 1, and the upper end of the third permanent magnet 5 is located inside the lower end of the third induction coil 9.

[0084] The induction coil is horizontally connected to the centers of the two end surfaces of the protective shell 1 through the first spring 2 and the second spring 3 .

[0085] The charging circuit 5 includes a battery and a circuit board;

[0086] The battery and the circuit board are fixed on the inner wall of the protective shell 1 , and the battery is connected to the third induction coil 9 through the circuit board.

[0087] The height of the hollow portion of the protective shell 1 is 5 to 20 cm, the length thereof is greater than the height of the hollow portion, and the thickness thereof is 5 to 10 mm.

[0088] The second permanent magnet 10 and the third permanent magnet 5 are both cylindrical or rectangular; they have the same size, a width of 5 to 20 mm, a height equal to the height of the hollow portion of the protective shell 1, and an aspect ratio of 5 to 10.

[0089] The third induction coil 9 is a cylindrical spiral winding, the height of which is 20% to 80% of the height of the hollow portion of the protective shell 1 , and the diameter of which is 1.1 to 1.2 times the horizontal width of the second permanent magnet 10 .

[0090] The material of the protective shell 1 is aluminum alloy or carbon steel;

[0091] The second permanent magnet 10 and the third permanent magnet 5 are both made of iron.

[0092] The first spring 2 and the second spring 3 are both cylindrical springs or conical springs, and the lengths and stiffnesses of the two are equal.

[0093] The Nonlinear Energy Sink (NES) theory is a novel vibration absorber technology developed based on dynamic vibration absorbers. By modifying the linear stiffness and damping of traditional vibration absorption systems (e.g., introducing a nonlinear spring into a traditional damped spring oscillator system), it aims to broaden the vibration absorption frequency range and improve the vibration reduction effect. The optimized nonlinear vibration absorber can absorb the vibration energy of the main structure over a wide frequency range, while also offering low added mass, strong adaptability, and excellent economic efficiency.

[0094] Example 2 of the present invention determines the linear stiffness and cubic stiffness of the energy collector based on NES. The advantage of geometric nonlinearity is that the nonlinear characteristics can be realized by using linear springs. The specific geometric nonlinear principle diagram is as follows: Figure 4 As shown, Figure 4 Where f is the preload of the first spring 2 and the second spring 3, l is the length of the first spring 2 and the second spring 3, F is the resultant external force of the energy collection device, Δs is the displacement of the third induction coil 9, and Δl is the axial extension of the first spring 2 and the second spring 3. Figure 4 The relationship expressed is as follows:

[0095]

[0096] In the above formula, the left side of the equal sign is the force vector triangle, and the right side is the deformation triangle.

[0097] The corresponding geometric relationship is:

[0098] l 2 +Δs 2 =(l+Δl) 2

[0099] Joint and l 2 +Δs 2 =(l+Δl) 2 , eliminating Δl, we get:

[0100]

[0101] Will Do Taylor expansion near the origin Δs = 0, retaining the first cubic terms, and we have:

[0102]

[0103] Therefore, it can be seen that the linear stiffness of the energy collecting device is determined based on the preload force and length of the first spring 2 / second spring 3 , and its cubic stiffness is determined based on the preload force, length and stiffness of the first spring 2 / second spring 3 .

[0104] The linear stiffness of the energy collecting device is determined by the following formula:

[0105]

[0106] Wherein, k1 is the linear stiffness of the energy collecting device, f is the preload force of the first spring 2 / the second spring 3, and l is the length of the first spring 2 / the second spring 3.

[0107] The cubic stiffness of the energy collecting device is determined by the following formula:

[0108]

[0109] Wherein, k3 is the cubic stiffness of the energy collecting device, and k is the stiffness of the first spring 2 / the second spring 3.

[0110] The electromagnetic mutual inductance component and the first spring 2 , the first spring 2 and the protective shell 1 , the electromagnetic mutual inductance component and the second spring 3 , and the second spring 3 and the protective shell 1 are all connected in the form of welding or hanging rings.

[0111] The energy collecting device provided in Example 2 of the present invention can not only absorb energy generated during breeze vibration or conductor dancing and convert mechanical energy into electrical energy, but also, while converting energy into electrical energy for use by online monitoring equipment, the energy collecting device also has the function of improving the conductor's own damping, suppressing breeze vibration and dancing.

[0112] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention rather than to limit it. Ordinary technicians in the relevant field can still modify or replace the specific implementation methods of the present invention with equivalents by referring to the above embodiments. Any modifications or equivalent replacements that do not depart from the spirit and scope of the present invention are within the scope of protection of the claims of the present invention to be approved.

Claims

1. An overhead conductor energy collection device, characterized in that: It comprises a hollow protective shell (1), an electromagnetic mutual inductance component located in the protective shell (1), a charging circuit, a first spring (2), and a second spring (3); The charging circuit is connected to an electromagnetic mutual induction component, and the electromagnetic mutual induction component is connected to the inner wall of the protective shell (1) through a first spring (2) and a second spring (3), respectively. The electromagnetic mutual induction component is used to convert vibration energy into electrical energy; The first spring (2) and the second spring (3) are both cylindrical springs or conical springs, and both have the same length and stiffness; The linear stiffness and cubic stiffness of the energy collector are determined based on the nonlinear energy trough (NES) theory, and the nonlinear characteristics are realized using linear springs. The linear stiffness of the energy collecting device is determined based on the preload force and length of the first spring (2) / the second spring (3), and the cubic stiffness thereof is determined based on the preload force, length and stiffness of the first spring (2) / the second spring (3); The linear stiffness of the energy collecting device is determined by the following formula: Wherein, k1 is the linear stiffness of the energy collecting device, f is the preload force of the first spring (2) / the second spring (3), and l is the length of the first spring (2) / the second spring (3); The cubic stiffness of the energy collecting device is determined by the following formula: Wherein, k3 is the cubic stiffness of the energy collecting device, and k is the stiffness of the first spring (2) / the second spring (3).

2. The overhead conductor energy collection device according to claim 1, characterized in that: The electromagnetic mutual inductance component is located in the middle of the protective shell (1) and is vertically arranged with respect to the first spring (2) and the second spring (3), and its height is equal to the height of the hollow portion of the protective shell (1).

3. The overhead conductor energy collector according to claim 1, wherein: The electromagnetic mutual induction component includes an induction coil and a permanent magnet.

4. The overhead conductor energy collector according to claim 3, characterized in that: There are two induction coils, which are fixed to the upper wall and the lower wall inside the protective shell (1) respectively. The permanent magnet is arranged in the two induction coils. The permanent magnet is horizontally connected to the centers of the two end surfaces of the protective shell (1) through a first spring (2) and a second spring (3); The height of the permanent magnet is 95% to 105% of the height of the induction coil, and its aspect ratio is 2.5 to 5; The two induction coils have the same height, and both have a height that is 30% of the height of the hollow portion of the protective shell (1). The diameters of both have a diameter that is 1.1 to 1.2 times the horizontal width of the permanent magnet.

5. The overhead conductor energy collector according to claim 3, characterized in that: There are two permanent magnets, one end of each of the two permanent magnets is fixed to the upper wall and the lower wall at the middle position inside the protective shell (1), and the other end of each permanent magnet is placed in the induction coil, and the induction coil is horizontally connected to the center of the two end surfaces of the protective shell (1) through the first spring (2) and the second spring (3); The height of the permanent magnet is equal to the height of the hollow portion of the protective shell (1), and its aspect ratio is 5 to 10; The height of the induction coil is 20% to 80% of the height of the hollow portion of the protective shell (1), and the diameter thereof is 1.1 to 1.2 times the horizontal width of the permanent magnet.

6. The overhead conductor energy collection device according to claim 3, characterized in that: The charging circuit includes a battery and a circuit board; The battery and the circuit board are fixed on the inner wall of the protective shell (1), and the battery is connected to the induction coil via the circuit board.

7. The overhead conductor energy collector according to claim 2, characterized in that: The height of the hollow portion of the protective shell (1) is 5 to 20 cm, its length is greater than the height of the hollow portion, and its thickness is 5 to 10 mm.

8. The overhead conductor energy collector according to claim 3, wherein: The permanent magnet is cylindrical or rectangular, and its horizontal width is 5-20 mm.

9. The overhead conductor energy collector according to claim 3, wherein: The protective shell (1) is made of aluminum alloy or carbon steel; The material of the permanent magnets is iron.

10. The overhead conductor energy collector according to claim 1, wherein: The electromagnetic mutual induction component and the first spring (2), the first spring (2) and the protective shell (1), the electromagnetic mutual induction component and the second spring (3), and the second spring (3) and the protective shell (1) are all connected in the form of welding or hanging rings.

Citation Information

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