A power line self-powered monitoring device

Abstract

The application provides a power transmission line self-powered monitoring device, and relates to the technical field of line monitoring. The device comprises a monitoring assembly, a photovoltaic assembly, a flying assembly and a clamping assembly which are installed on a cable. The monitoring assembly comprises a monitoring lower shell, the upper side of the monitoring lower shell is detachably connected with a monitoring upper shell, a friction nanogenerator, a monitoring element, an energy storage battery and an inverter are arranged in the monitoring lower shell, the monitoring element comprises a wireless transmitting circuit, a monitoring sensor and a voltage stabilizing circuit, the lower part of the monitoring lower shell is symmetrically provided with an expansion inclined surface, the middle part of the monitoring lower shell is provided with an adaptive channel, and the two ends of the monitoring lower shell are provided with clamping cavities. The flying assembly, the monitoring assembly and the clamping assembly can be quickly installed on the cable, and can be quickly repaired and replaced, so that the replacement efficiency is high and the operation is safer.

Description

Technical Field

[0001] This invention relates to the field of line monitoring technology, specifically to a self-powered monitoring device for power transmission lines. Background Technology

[0002] In order to provide early warnings about the condition of power transmission lines and prevent them from being affected by environmental factors such as icing, lightning strikes, and galloping, monitoring devices are needed to monitor the temperature, strain, and vibration of the transmission lines to provide early warnings.

[0003] In related technologies, such as the power grid transmission line self-powered monitoring device with announcement number CN215646367U, there is a housing, the central axis of which is a hollow structure; the housing is composed of an upper housing and a lower housing, the upper housing has a first cavity, the lower housing has a second cavity, one side of the upper housing and one side of the lower housing are hinged to each other, the hinge axis is parallel to the central axis of the housing, and the other side of the upper housing and the other side of the lower housing are connected to each other by a lock and structure.

[0004] Since power grid transmission lines are typically 6-60 meters high, the aforementioned monitoring devices usually require manual climbing for installation. If the monitoring devices malfunction, manual climbing is still required for replacement, making the operation time-consuming, labor-intensive, and very inconvenient. Summary of the Invention

[0005] To address the shortcomings of existing technologies, this invention provides a self-powered monitoring device for power transmission lines, which solves the problems of time-consuming and labor-intensive installation and maintenance, and low operational efficiency of existing monitoring devices.

[0006] To achieve the above objectives, the present invention provides the following technical solution: a self-powered monitoring device for transmission lines, comprising a monitoring component installed on a cable, the monitoring component including a lower monitoring shell, an upper monitoring shell detachably connected to the upper part of the lower monitoring shell, the lower monitoring shell housing a triboelectric nanogenerator, a monitoring element, an energy storage battery, and an inverter, and further comprising: The monitoring device includes a wireless transmission circuit, a monitoring sensor, and a voltage stabilizing circuit. The lower part of the monitoring lower shell is symmetrically provided with an expansion slope, the middle part of the monitoring lower shell is provided with an adapter channel, and the two ends of the monitoring lower shell are provided with clamping cavities. A photovoltaic module, wherein the photovoltaic module is disposed on the outer surface of the monitoring module, and is used to convert light energy into electrical energy; A flight component, located on top of the monitoring component, is used to provide flight functionality for the entire system; The clamping assembly, located within the clamping cavity, is used to clamp the cable. With the included flight assembly, monitoring assembly, and clamping assembly, the cable can be quickly installed and repaired / replaced, resulting in high efficiency and safer operation. The photovoltaic assembly converts solar energy into electrical energy, eliminating the need for external power supply and facilitating long-term use.

[0007] Preferably, the lower surface of the monitoring upper shell is fixedly connected with an edge sealing gasket and a middle sealing gasket. The photovoltaic module includes a main photovoltaic panel, a secondary photovoltaic panel, and a side photovoltaic panel. The main photovoltaic panel is installed on the monitoring upper shell, the secondary photovoltaic panel is installed on the flight component, and the side photovoltaic panel is installed on the side of the monitoring lower shell.

[0008] Preferably, the flight assembly includes a flight frame and a remote controller fixedly mounted on the top of the monitoring lower shell. A support arm is fixedly connected to the side of the flight frame. A receiver is installed inside the flight frame. A flight motor is fixedly mounted on the support arm. A blade is fixedly connected to the output end of the flight motor. A central block is fixedly connected to the middle of the flight frame. A camera is mounted on the central block.

[0009] Preferably, the clamping assembly includes a fixed plate fixedly installed in the clamping cavity, an arc-shaped plate symmetrically fixedly connected to the lower part of the fixed plate, a driving component installed on the fixed plate, an arc-shaped groove provided on the arc-shaped plate, an inner clamping jaw and an outer clamping jaw slidably connected on the two arc-shaped grooves respectively, a locking component provided between the inner clamping jaw and the outer clamping jaw, and the driving component simultaneously driving the inner clamping jaw and the outer clamping jaw to move and close along a circular trajectory.

[0010] Preferably, the driving component includes an inner micro-controlled motor and an outer micro-controlled motor fixedly mounted on a fixed plate. An inner gear is fixedly connected to the output end of the inner micro-controlled motor, and an outer gear is fixedly connected to the output end of the outer micro-controlled motor. Teeth are provided on the arc surfaces of the inner and outer grippers. The inner gear meshes with the teeth of the inner gripper, and the outer gear meshes with the teeth of the outer gripper.

[0011] Preferably, the inner gripper includes two inner jaws, with an inner connecting frame fixedly connected to the upper part of the two inner jaws. An inner abutting post is fixedly connected to the inner connecting frame. An inner slider is fixedly connected to the side of the inner jaw. A insertion jaw is fixedly connected to the lower part of the inner connecting frame. The inner slider slides in cooperation with an arc-shaped sliding groove on one side. An inner abutting block is fixedly connected to the bottom of the inner jaw. A contact element is slidably connected inside the inner abutting block. A pushing block is fixedly connected to one end of the contact element that extends into the inner abutting block. A return spring is fixedly connected between the pushing block and the inner abutting block. A lifting block is slidably connected to the upper part of the inner abutting block. The lifting block and the pushing block are in contact with each other through a pushing surface. An arc-shaped block is fixedly connected to the side of the lifting block away from the contact element.

[0012] Preferably, the outer gripper includes two outer claws, with an outer frame fixedly connected to the top of the two outer claws, an outer abutment post fixedly connected to the outer frame, an outer abutment block fixedly connected to the bottom of the outer claws, an outer slider fixedly connected to the outer claws, the outer slider slidingly engaging with an arc-shaped groove on one side, and a socket fixedly connected to the outer side of the outer claws.

[0013] Preferably, the locking component includes a protective cylinder fixedly installed on the socket, an electromagnet fixedly installed inside the protective cylinder, a slide block slidably connected inside the protective cylinder, a permanent magnet fixedly connected to the side of the slide block near the electromagnet, the permanent magnet having opposite magnetic properties to the energized electromagnet, a locking spring provided between the slide block and the electromagnet, a locking block fixedly connected to the end of the slide block away from the permanent magnet passing through the side wall of the protective cylinder, and a locking slot adapted to the locking block provided on the pin.

[0014] This invention provides a self-powered monitoring device for power transmission lines. It has the following advantages: 1. The present invention uses photovoltaic modules to convert light energy into electrical energy, eliminating the need for additional power supply and facilitating long-term use.

[0015] 2. The present invention, through the design of flight components, monitoring components and clamping components, can be quickly installed on cables and can be quickly repaired and replaced, with high replacement efficiency and safer operation.

[0016] 3. The present invention provides a stable clamping force through the clamping components, which facilitates installation on the monitoring cable. Attached Figure Description

[0017] Figure 1 This is an overall perspective view of the present invention; Figure 2 This is a side view of the present invention; Figure 3 This is a three-dimensional view of the disassembled state of the present invention; Figure 4 This is a perspective view of the flight component of the present invention; Figure 5 This is a perspective view of the monitoring component of the present invention; Figure 6 This is a perspective view of the clamping assembly and cable clamping state of the present invention; Figure 7 This is a perspective view of the clamping assembly of the present invention in its open state; Figure 8 This is a perspective view of the clamping assembly of the present invention in its closed state; Figure 9 This is a split perspective view of the clamping component of the present invention; Figure 10 This is a perspective view of the external gripper of the present invention; Figure 11 This is a perspective view of the inner gripper of the present invention; Figure 12 This is a cross-sectional perspective view of the locking component of the present invention; Figure 13 This is a perspective view of the inner gripper of the present invention from another angle; Figure 14 This is a schematic diagram of the lifting block portion of the present invention; Figure 15 This is a perspective view of the lifting block and the arc-shaped block of the present invention.

[0018] The components include: 1. Photovoltaic module; 2. Flight module; 3. Monitoring module; 4. Cable; 5. Clamping module; 101. Sub-photovoltaic panel; 102. Main photovoltaic panel; 103. Side photovoltaic panel; 201. Support arm; 202. Flight motor; 203. Blade; 204. Flight frame; 205. Center block; 206. Camera; 301. Monitoring lower shell; 302. Triboelectric nanogenerator; 303. Monitoring component; 304. Monitoring upper shell; 305. Expansion ramp; 306. Adapter channel; 307. Edge sealing gasket; 308. Middle sealing gasket; 501. Fixing plate; 502. Inner gripper; 503. Outer gripper; 504. Socket; 505. Locking component; 506. Insertion claw; 507. Inner micro... 508. External micro-controlled motor; 509. Arc plate; 510. Arc-shaped slide groove; 511. Internal gear; 512. External gear; 5031. External frame; 5032. External abutment post; 5033. External claw; 5034. External slider; 5035. External abutment block; 5021. Internal frame; 5022. Internal abutment post; 5023. Internal claw; 5024. Internal slider; 5025. Internal abutment block; 5051. Locking block; 5052. Slide carriage; 5053. Permanent magnet; 5054. Locking spring; 5055. Electromagnet; 5056. Protective cylinder; 601. Contact element; 602. Lifting block; 603. Pushing block; 604. Return spring; 605. Pushing surface; 6021. Arc block. Detailed Implementation

[0019] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0020] like Figures 1-15As shown, this embodiment of the invention provides a self-powered monitoring device for transmission lines, including a monitoring component 3 installed on a cable 4. The monitoring component 3 includes a lower monitoring shell 301, and an upper monitoring shell 304 is detachably connected to the upper part of the lower monitoring shell 301. The lower monitoring shell 301 contains a triboelectric nanogenerator 302, a monitoring element 303, an energy storage battery, and an inverter. It also includes: refer to Figure 3 During monitoring operations, the monitoring component 3 is continuously installed on the cable 4 for a period of time to ensure that the monitoring component 3 can continuously monitor the cable 4 and also to provide the necessary conditions for the triboelectric nanogenerator 302 to generate electricity. The triboelectric nanogenerator 302 is an energy conversion device based on the principles of triboelectric charging and electrostatic induction, which can convert minute mechanical energy into electrical energy and maximize the utilization of the mechanical energy of the transmission line, such as by using a vertical contact-separation type triboelectric nanogenerator. The triboelectric nanogenerator 302 has multiple functions to maximize the utilization of mechanical energy and improve power generation efficiency. The energy storage battery is used to store the electrical energy generated by the triboelectric nanogenerator 302 and the photovoltaic module 1 for convenient subsequent use of electrical energy. The monitoring lower shell 301 and the monitoring upper shell 304 can be detachably connected by screws and clips, which is convenient for disassembly and replacement and is simple and reliable to operate. The inverter is used to convert the DC power generated by the photovoltaic module 1 into AC power, which can provide AC power.

[0021] The monitoring component 303 includes a wireless transmission circuit, a monitoring sensor, and a voltage stabilizing circuit. The lower part of the monitoring lower shell 301 is symmetrically provided with an expansion slope 305. The middle part of the monitoring lower shell 301 is provided with an adapter channel 306. The two ends of the monitoring lower shell 301 are provided with clamping cavities. The lower surface of the monitoring upper shell 304 is fixedly connected with an edge sealing gasket 307 and a middle sealing gasket 308. refer to Figure 5The wireless transmission circuit is used to wirelessly transmit environmental parameters such as temperature, tilt angle, and vibration. Wireless communication methods include the sensor's built-in 5G / NB-IoT communication module 23 (e.g., 5G, NB-IoT), 2G / 3G / 4G / 5G, WIFI, Bluetooth, LoRa, LoRawan, Zigbee, etc. Monitoring sensors include a temperature sensor and a tilt sensor. The temperature sensor uses a DS18B20 thermocouple temperature sensor, and the tilt sensor uses an SCL3300-D01 tilt sensor. Vibration parameters can be directly obtained from the electrical signal output by the triboelectric nanogenerator 302. Dynamic sensing data; the clamping cavities are located at both ends of the monitoring lower shell 301, and are independent to avoid affecting the monitoring function and ensure the stable operation of the clamping assembly 5; the edge sealing gasket 307 and the middle sealing gasket 308 can seal the monitoring lower shell 301 and the monitoring upper shell 304 to prevent damage to the internal electrical components; the voltage stabilizing circuit is used to ensure voltage stability and ensure that the power of the photovoltaic module 1 can be utilized; viewed from the side view, the symmetrical expansion ramp 305 is V-shaped, which can increase the range of cable 4 entering, making it easier for cable 4 to enter the adapter channel 306, reducing the difficulty of finding the position of cable 4, and making flight operation easier.

[0022] Photovoltaic module 1 is disposed on the outer surface of monitoring module 3 and is used to convert light energy into electrical energy. Photovoltaic module 1 includes a main photovoltaic panel 102, a secondary photovoltaic panel 101, and a side photovoltaic panel 103. The main photovoltaic panel 102 is installed on the upper shell 304 of the monitoring module, the secondary photovoltaic panel 101 is installed on the flight module 2, and the side photovoltaic panel 103 is installed on the side of the lower shell 301 of the monitoring module. refer to Figure 3 , Figure 1 The main photovoltaic panel 102, the auxiliary photovoltaic panel 101, and the side photovoltaic panel 103 can increase the area of ​​light exposure and improve the conversion efficiency of light energy into electrical energy. The side photovoltaic panel 103 can receive the light from the tilted side. In order to adjust the voltage and current output of the photovoltaic panel, a corresponding controller can be added to avoid overcharging or over-discharging of the energy storage battery.

[0023] Flight component 2 is located on top of monitoring component 3 and is used to provide flight functionality for the whole. Flight component 2 includes a flight frame 204 and a remote controller that are fixedly installed on the top of the monitoring lower shell 301. A support arm 201 is fixedly connected to the side of the flight frame 204. A receiver is installed inside the flight frame 204. A flight motor 202 is fixedly installed on the support arm 201. A blade 203 is fixedly connected to the output end of the flight motor 202. A center block 205 is fixedly connected to the middle of the flight frame 204. A camera 206 is installed on the center block 205. refer to Figure 2 , Figure 3 , Figure 4During flight operations, the operator transmits relevant control commands via remote control. The receiver inside the flight frame 204 receives the relevant signals and then controls the corresponding flight motor 202 to work. By controlling the speed of the flight motor 202, actions such as ascent, descent, and turning can be achieved. The camera 206 can directly capture images of the middle position of the flight frame 204 and transmit them to the remote control via a wireless transmission circuit to assist in operating the overall flight maneuvers.

[0024] The clamping assembly 5 is disposed in the clamping cavity and is used to clamp the cable 4. The clamping assembly 5 includes a fixed plate 501 fixedly installed in the clamping cavity. An arc plate 509 is symmetrically fixedly connected to the lower part of the fixed plate 501. A driving component is installed on the fixed plate 501. An arc groove 510 is provided on the arc plate 509. An inner jaw 502 and an outer jaw 503 are slidably connected on the two arc grooves 510 respectively. A locking component 505 is provided between the inner jaw 502 and the outer jaw 503. The driving component simultaneously drives the inner jaw 502 and the outer jaw 503 to move and close along a circular trajectory. refer to Figure 6 When the clamping component 5 is carried by the flying component 2 to the power transmission line cable, the driving component is powered on and can simultaneously drive the inner clamp 502 and the outer clamp 503 to move and close along the circular trajectory, and use the locking component 505 to lock it, ensuring that the whole can be firmly fixed on the cable 4, realizing the function of rapid installation; similarly, it can also be quickly removed, which is suitable for maintenance and replacement work.

[0025] The driving components include an inner micro-control motor 507 and an outer micro-control motor 508 fixedly mounted on a fixed plate 501. An inner gear 511 is fixedly connected to the output end of the inner micro-control motor 507, and an outer gear 512 is fixedly connected to the output end of the outer micro-control motor 508. Teeth are provided on the arc surfaces of the inner jaw 502 and the outer jaw 503. The inner gear 511 meshes with the teeth of the inner jaw 502, and the outer gear 512 meshes with the teeth of the outer jaw 503. refer to Figure 9 , Figure 8 When the internal micro-control motor 507 and the external micro-control motor 508 are powered on, they can drive the internal gear 511 and the external gear 512 to rotate respectively. The internal gear 511 and the external gear 512 can drive the internal gripper 502 and the external gripper 503 to move, so as to realize the function of closed clamping.

[0026] The inner jaw 502 includes two inner jaws 5023. An inner frame 5021 is fixedly connected to the upper part of the two inner jaws 5023. An inner abutment post 5022 is fixedly connected to the inner frame 5021. An inner slider 5024 is fixedly connected to the side of the inner jaw 5023. A insertion jaw 506 is fixedly connected to the lower part of the inner frame 5021. The inner slider 5024 slides with an arc-shaped groove 510 on one side. An inner abutment block 5025 is fixedly connected to the bottom of the inner jaw 5023. refer to Figure 11 There are three inner abutment posts 5022, which are arc-shaped and used to cooperate with the outer abutment post 5032 to limit the position of the closed state and prevent excessive movement when closed. The inner slider 5024 slides with the arc-shaped slide groove 510 on one side to ensure the stability of the movement of the inner claw 5023. The inner side of the inner claw 5023 is provided with a rubber pad (not shown) to improve the clamping friction. The inner abutment block 5025 is used to cooperate with the outer abutment block 5035 to limit the position of the open state and prevent excessive movement when open. The insertion claw 506 is used to cooperate with the socket 504 to facilitate locking operation.

[0027] A contact member 601 is slidably connected inside the inner abutment block 5025. A push block 603 is fixedly connected to one end of the contact member 601 that extends into the inner abutment block 5025. A return spring 604 is fixedly connected between the push block 603 and the inner abutment block 5025. A lifting block 602 is slidably connected to the upper part of the inner abutment block 5025. The lifting block 602 and the push block 603 are in contact with each other through the push surface 605. An arc-shaped block 6021 is fixedly connected to the side of the lifting block 602 away from the contact member 601. refer to Figure 13 , Figure 14 In the clamping state, the outer abutment block 5035 of the outer jaw 503 will squeeze the contact member 601, overcoming the elastic force of the return spring 604, and drive the push block 603 to move. The push block 603 and the lifting block 602 are in contact with each other through the push surface 605. The push surface 605 is an inclined surface, which can push the lifting block 602 to rise, so that the lifting block 602 abuts against the outer surface of the cable, improving the clamping firmness and making it suitable for cables with smaller diameters 4. The side of the lifting block 602 has a protruding part, which can limit the extreme position of the lifting block 602's rise. When the contact member 601 is not under force, the push block 603 returns to its original position under the action of the return spring 604, and the lifting block 602 returns to its original position under the action of gravity. The lifting block 602 can be elongated to increase the contact area. The arc-shaped block 6021 is located inside the inner jaw 5023 in the retracted state and can be driven to rise synchronously by the lifting block 602 to further increase the contact area between the clamping assembly 5 and the cable 4.

[0028] The outer jaw 503 includes two outer jaws 5033. An outer frame 5031 is fixedly connected to the top of the two outer jaws 5033. An outer abutment post 5032 is fixedly connected to the outer frame 5031. An outer abutment block 5035 is fixedly connected to the bottom of the outer jaws 5033. An outer slider 5034 is fixedly connected to the outer jaws 5033. The outer slider 5034 slides in cooperation with an arc-shaped groove 510 on one side. A socket 504 is fixedly connected to the outer side of the outer jaws 5033. refer to Figure 10There are three outer abutment posts 5032, which are arc-shaped and are used to cooperate with the inner abutment post 5022 to limit the position of the closed state and prevent excessive movement when closed. The outer abutment posts 5032 are used to cooperate with the inner abutment block 5025 to limit the position of the open state and prevent excessive movement when open. The outer slider 5034 slides with the arc-shaped slide groove 510 on one side to ensure the stability of the movement of the outer claw 5033. The inner side of the outer claw 5033 is provided with a rubber pad (not shown) to improve the clamping friction.

[0029] The locking component 505 includes a protective cylinder 5056 fixedly installed on the socket 504. An electromagnet 5055 is fixedly installed inside the protective cylinder 5056. A slide 5052 is slidably connected inside the protective cylinder 5056. A permanent magnet 5053 is fixedly connected to one side of the slide 5052 near the electromagnet 5055. The permanent magnet 5053 has the opposite magnetism to the energized electromagnet 5055. A locking spring 5054 is provided between the slide 5052 and the electromagnet 5055. A locking block 5051 is fixedly connected to one end of the slide 5052 away from the permanent magnet 5053 through the side wall of the protective cylinder 5056. A locking slot adapted to the locking block 5051 is provided on the claw 506. refer to Figure 12 , Figure 9 During the locking operation, when the pawl 506 is inserted into the socket 504, the energized electromagnet 5055 is de-energized, and the magnetic force it generates disappears. The elastic force generated by the compressed locking spring 5054 can push the slide 5052 and the locking block 5051 to extend. The locking block 5051 is engaged in the locking slot on the pawl 506, which can lock the pawl 506 and ensure a secure closed state. When locking is not required, the electromagnet 5055 is energized and can generate magnetic force to attract the permanent magnet 5053, thereby driving the slide 5052 and the locking block 5051 to retract, thus releasing the locking state.

[0030] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A self-powered monitoring device for transmission lines, comprising a monitoring component (3) mounted on a cable (4), the monitoring component (3) comprising a lower monitoring shell (301), an upper monitoring shell (304) detachably connected above the lower monitoring shell (301), and the lower monitoring shell (301) containing a triboelectric nanogenerator (302), a monitoring element (303), an energy storage battery, and an inverter, characterized in that, Also includes: The monitoring component (303) includes a wireless transmission circuit, a monitoring sensor, and a voltage stabilizing circuit. The lower part of the monitoring lower shell (301) is symmetrically provided with an expansion slope (305). The middle part of the monitoring lower shell (301) is provided with an adapter channel (306). The two ends of the monitoring lower shell (301) are provided with clamping cavities. A photovoltaic module (1) is disposed on the outer surface of the monitoring module (3) and is used to convert light energy into electrical energy; Flight component (2), which is located on top of monitoring component (3) and is used to provide flight function for the whole; A clamping assembly (5) is disposed in a clamping cavity for clamping a cable (4). The clamping assembly (5) includes a fixed plate (501) fixedly installed in the clamping cavity. An arc plate (509) is symmetrically fixedly connected to the lower part of the fixed plate (501). A driving component is installed on the fixed plate (501). An arc groove (510) is provided on the arc plate (509). An inner jaw (502) and an outer jaw (503) are slidably connected on the two arc grooves (510). A locking component (505) is provided between the inner jaw (502) and the outer jaw (503). The driving component simultaneously drives the inner jaw (502) and the outer jaw (503) to move and close along a circular trajectory. The inner jaw (502) includes two inner jaws (5023). An inner frame (5021) is fixedly connected to the upper part of the two inner jaws (5023). An inner abutment post (5022) is fixedly connected to the inner frame (5021). An inner slider (5024) is fixedly connected to the side of the inner jaw (5023). A pin (506) is fixedly connected to the lower part of the inner frame (5021). The inner slider (5024) slides with a side arc-shaped groove (510). An inner abutment block (5025) is fixedly connected to the bottom of the inner jaw (5023). A contact element (601) is slidably connected inside the inner abutment block (5025). A push block (601) is fixedly connected to one end of the contact element (601) that extends into the inner abutment block (5025). 03), a return spring (604) is fixedly connected between the push block (603) and the inner abutment block (5025). A lifting block (602) is slidably connected to the upper part of the inner abutment block (5025). The lifting block (602) and the push block (603) are in contact with each other through the push surface (605). An arc-shaped block (6021) is fixedly connected to the side of the lifting block (602) away from the contact member (601). The outer jaw (503) includes two outer jaws (5033). An outer frame (5031) is fixedly connected to the top of the two outer jaws (5033). An outer abutment post (5032) is fixedly connected to the outer frame (5031). An outer abutment block (5035) is fixedly connected to the bottom of the outer jaw (5033).

2. The self-powered monitoring device for transmission lines according to claim 1, characterized in that: The lower surface of the monitoring upper shell (304) is fixedly connected with an edge sealing gasket (307) and a middle sealing gasket (308). The photovoltaic module (1) includes a main photovoltaic panel (102), a secondary photovoltaic panel (101), and a side photovoltaic panel (103). The main photovoltaic panel (102) is installed on the monitoring upper shell (304), the secondary photovoltaic panel (101) is installed on the flight component (2), and the side photovoltaic panel (103) is installed on the side of the monitoring lower shell (301).

3. The self-powered monitoring device for transmission lines according to claim 1, characterized in that: The flight assembly (2) includes a flight frame (204) and a remote controller fixedly installed on the top of the monitoring lower shell (301). A support arm (201) is fixedly connected to the side of the flight frame (204). A receiver is installed inside the flight frame (204). A flight motor (202) is fixedly installed on the support arm (201). A blade (203) is fixedly connected to the output end of the flight motor (202). A center block (205) is fixedly connected to the middle of the flight frame (204). A camera (206) is installed on the center block (205).

4. The self-powered monitoring device for transmission lines according to claim 1, characterized in that: The driving component includes an inner micro-control motor (507) and an outer micro-control motor (508) fixedly mounted on a fixed plate (501). The output end of the inner micro-control motor (507) is fixedly connected to an inner gear (511), and the output end of the outer micro-control motor (508) is fixedly connected to an outer gear (512). The inner jaw (502) and the outer jaw (503) are both provided with teeth on their arc surfaces. The inner gear (511) meshes with the teeth of the inner jaw (502), and the outer gear (512) meshes with the teeth of the outer jaw (503).

5. The self-powered monitoring device for transmission lines according to claim 4, characterized in that: An outer slider (5034) is fixedly connected to the outer claw (5033), and the outer slider (5034) slides in cooperation with the arc-shaped groove (510) on one side. A socket (504) is fixedly connected to the outer side of the outer claw (5033).

6. The self-powered monitoring device for transmission lines according to claim 5, characterized in that: The locking component (505) includes a protective cylinder (5056) fixedly installed on the socket (504). An electromagnet (5055) is fixedly installed inside the protective cylinder (5056). A slide (5052) is slidably connected inside the protective cylinder (5056). A permanent magnet (5053) is fixedly connected to one side of the slide (5052) near the electromagnet (5055). The permanent magnet (5053) has the opposite magnetism to the energized electromagnet (5055). A locking spring (5054) is provided between the slide (5052) and the electromagnet (5055). A locking block (5051) is fixedly connected to one end of the slide (5052) away from the permanent magnet (5053) through the side wall of the protective cylinder (5056). A locking slot adapted to the locking block (5051) is provided on the claw (506).

Images