WO2024036561A1 - Energy storage device and power transmission line monitoring system - Google Patents

Abstract

The embodiments of the present application relate to the technical field of energy storage. Provided are an energy storage device and a power transmission line monitoring system, which improve the energy storage effect of the energy storage device in a harsh environment. The energy storage device provided in the embodiments of the present application comprises an energy storage module and an energy exchange module. The energy storage module comprises a gravity block, and the energy exchange module comprises an electric motor and an electric generator, wherein a crankshaft of the electric motor is in transmission connection with the gravity block so that the electric motor can drive the gravity block to move upwards, and the gravity block can move downwards under the action of its own weight so as to drive the crankshaft of the electric motor to rotate; and the crankshaft of the electric motor is in transmission connection with a crankshaft of the electric generator, so that when the gravity block moves downwards under the action of its own weight to drive the crankshaft of the electric motor to rotate, the crankshaft of the electric motor drives the crankshaft of the electric generator to rotate so that the electric generator generates electricity. According to the embodiments of the present application, the energy storage device is configured to store energy.

Description

An energy storage device and transmission line monitoring system Technical field

This application relates to the field of energy storage technology, and in particular, to an energy storage device and a transmission line monitoring system.

Background technique

In order to ensure the safe and stable operation of transmission lines, transmission lines need to be inspected regularly. For areas with harsh natural environments that are difficult for inspection personnel to reach, online monitoring equipment needs to be installed on the tower to monitor the operation of the transmission lines online. Online monitoring equipment requires power supply, usually using solar panels to provide power and batteries to store power. In the case of insufficient light, the battery provides power. However, in cold areas, because batteries cannot charge and discharge normally in low temperature environments, online monitoring equipment often fails to work properly.

Therefore, energy storage devices in related technologies are prone to the problem of being unable to store and release energy smoothly in harsh environments.

Contents of the invention

In view of this, embodiments of the present application provide an energy storage device and a transmission line monitoring system so that the energy storage device can successfully store and release energy in harsh environments.

The energy storage device provided by the embodiment of the present application includes an energy storage module and an energy conversion module. Among them, the energy storage module includes a gravity block; the energy conversion module includes a motor and a generator. The crankshaft of the motor is drivingly connected to the gravity block, so that the motor can drive the gravity block to move upward, and the gravity block can move downward under the action of its own weight. It drives the crankshaft of the motor to rotate, and the crankshaft of the motor is drivingly connected to the crankshaft of the generator. When the gravity block moves downward under its own weight to drive the crankshaft of the motor to rotate, the crankshaft of the motor drives the crankshaft of the generator to rotate. Make the generator generate electricity.

The energy storage device provided by the embodiments of the present application uses the gravitational potential energy of the gravity block to store and release energy. Compared with chemical batteries, which are less affected by harsh environmental factors such as low temperature, the energy storage device can store energy in harsh environments. The performance of releasing energy can be better guaranteed. During the energy storage process of the energy storage device, the motor drives the gravity block to move upward, the gravity potential energy of the gravity block increases, and the energy is stored in the form of the gravity potential energy of the gravity block. In the process of releasing energy from the energy storage device, the gravitational potential energy of the gravity block is released, that is, the gravity block driven by the motor to a higher position is dropped. During the falling process of the gravity block, the gravity block will drive the motor's shaft to rotate, thereby driving the The rotation of the engine's crankshaft converts gravitational potential energy into electrical energy. The process of storing energy and releasing energy of the energy storage device is realized through mechanical movement. It has a simple structure, high reliability, high energy conversion efficiency, low implementation cost, and is less affected by harsh environmental factors. Therefore, the energy storage device provided by the embodiments of the present application can successfully store and release energy in harsh environments.

Moreover, the energy storage device provided by the embodiments of the present application has the advantages of high reliability and compact structure. The process of converting electrical energy into gravitational potential energy by the energy storage device and the process of converting gravitational potential energy into electrical energy are respectively realized by two components: a motor and a generator. The motor not only drives the gravity block to move upward, but also acts as a generator to generate electricity. The motor cooperates with the generator. It is more convenient to use and implement, and has high reliability. The energy released by gravity is converted into electrical energy. The gravity block is used to drive the shaft of the motor to rotate. The shaft of the motor drives the shaft of the generator to rotate. This method is more convenient to implement. It only needs to connect the generator and the motor for transmission. The structure is simple. compact.

In some optional embodiments of this application, the motor is a hub motor, and the rotor of the hub motor is located outside the stator. The gravity block and the motor are connected through a rope transmission. One end of the rope is wrapped around the rotor, and the other end is connected to the gravity block. The rotor drives the gravity block upward by winding the rope.

In some optional embodiments of the present application, the energy storage device further includes a protective cylinder, and a gravity block is disposed in the protective cylinder. The gravity block can interact with the inner wall of the protective cylinder in the axial direction of the protective cylinder under the action of gravity. Relative motion, the gravity block is formed with a receiving groove along one side of the radial direction of the protective cylinder. Balls are provided in the receiving groove. The side of the ball away from the gravity block extends out of the receiving groove and abuts against the inner wall of the protective cylinder.

In some optional embodiments of the present application, the receiving groove extends along the circumferential direction of the protective cylinder, the number of balls is multiple, and the plurality of balls are arranged along the extension direction of the receiving groove.

In some optional embodiments of this application, the energy storage device further includes a protective barrel and a locking sleeve. Among them, the gravity block is arranged in the protective cylinder. The gravity block can produce relative movement with the inner wall of the protective cylinder in the axial direction of the protective cylinder under the action of gravity. The protective cylinder includes a plurality of protective cylinder sections, and the plurality of protective cylinder sections are along the axis. The protective tubes are detachably connected in sequence to form a protective tube; the locking sleeve is set at the connection between two adjacent protective tube sections to lock the two adjacent protective tube sections, and a convex plate is formed on the outer wall of the locking sleeve. The extended surface of the protective tube has an included angle with the vertical direction of the axial direction of the protective tube.

In some optional embodiments of this application, among the two adjacent protective cylinder sections, an installation groove is formed on one end of one protective cylinder section close to the other protective cylinder section, and the installation groove extends along the circumferential direction of the protective cylinder section. , a flange is formed on the end face of another protective tube section close to the installation groove, the flange extends along the circumferential direction of the protective tube, and the flange snaps into place with the installation groove.

In some optional embodiments of this application, the energy storage device further includes a protective cylinder and a base. Among them, the gravity block is arranged in the protective cylinder, and the gravity block can produce relative movement with the inner wall of the protective cylinder in the axial direction of the protective cylinder under the action of gravity; the base is used to be installed on external equipment, and the motor is arranged on the base On the side, the protective tube is fixedly connected to the lower side of the base. A through hole is formed on the base. The end wall of the upper end of the protective tube surrounds the through hole. The gravity block is connected to the motor through the through hole.

In some optional embodiments of the present application, the motor is installed on the base through a motor base. The motor base includes a first mounting part and a second mounting part. The first mounting part and the second mounting part are oppositely arranged in the through hole. Above, and respectively located on both sides of the central axis of the through hole, the two ends of the motor are respectively arranged on the first mounting part and the second mounting part.

In some optional embodiments of the present application, the electric motor and the generator are transmission connected through a gear mechanism. The gear mechanism includes a first gear and a second gear that mesh with each other. The first gear is sleeved on the crankshaft of the electric motor, and the second gear is sleeved on the crankshaft of the electric motor. The two gears are sleeved on the crankshaft of the generator.

The transmission line monitoring system provided by the embodiment of the present application includes a solar power source, a transmission line monitoring device and an energy storage device provided by any embodiment of the present application. Among them, the solar power source is used to power the electric motor; the generator is used to power the transmission line monitoring device.

The transmission line monitoring system provided by the embodiment of the present application includes the energy storage device provided by the embodiment of the present application. The reliability of the energy storage device for powering the transmission line monitoring device is relatively high, so that the transmission line monitoring system can perform better in harsh environments. of operation.

Description of drawings

Drawings In order to more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the following will briefly introduce the drawings that need to be used in the description of the specific embodiments or the prior art. Obviously, the figures in the following description The drawings illustrate some embodiments of the present invention. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without exerting any creative effort.

Figure 1 is a schematic structural diagram of an energy storage device installed on a pole tower in some embodiments of the present application;

Figure 2 is a schematic structural diagram of the transmission connection between the hub motor and the generator in some embodiments of the present application;

Figure 3 is a schematic structural diagram of a generator in some embodiments of the present application;

Figure 4 is a schematic structural diagram of a gravity block installed in a protective cylinder in some embodiments of the present application;

Figure 5 is a schematic structural diagram of a gravity block in some embodiments of the present application;

Figure 6 is a schematic structural diagram of a locking sleeve in some embodiments of the present application;

Figure 7 is a schematic structural diagram of the protective tube and protective shell installed on the base in some embodiments of the present application;

Figure 8 is a schematic structural diagram of the protective shell installed on the base in some embodiments of the present application;

Figure 9 is a schematic structural diagram of the protective tube installed on the base in some embodiments of the present application;

Figure 10 is a schematic structural diagram of a base in some embodiments of the present application.

Explanation of reference symbols:

01-Pole tower; 02-Earth; 10-Gravity block; 11-Motor; 12-Generator; 13-Rope; 14-Protective cylinder; 141-Protective cylinder section; 1411-Installation groove; 1412-Flange; 15-Ball ; 16-locking sleeve; 161-convex plate; 17-base; 171-through hole; 172-first bolt hole; 173-second bolt hole; 18-motor base; 181-first mounting piece; 1811- Third bolt hole; 182-second mounting piece; 191-first gear; 192-second gear; 20-base; 201-fourth bolt hole; 21-protective shell; 211-fifth bolt hole; a-vertical Straight direction.

Detailed ways

The technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are some, not all, of the embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. The indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present invention and simplifying the description. It does not indicate or imply that the device or element referred to must have a specific orientation or a specific orientation. construction and operation, and therefore should not be construed as limitations of the invention.

In the description of the present invention, it should be noted that, unless otherwise clearly stated and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense. For example, it can be a fixed connection or a detachable connection. Connection, or integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be an internal connection between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood on a case-by-case basis.

In addition, the technical features involved in different embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

Referring to Figure 1, Figure 2 and Figure 3, embodiments of the present application provide a transmission line monitoring system for online monitoring of the operation of the transmission line. The transmission line monitoring system includes energy storage devices, solar power sources and transmission line monitoring devices. Among them, the solar power source is used to power the motor 11, and the generator 12 is used to power the transmission line monitoring device.

Please refer to Figure 1, Figure 2 and Figure 3. The energy storage device provided by the embodiment of the present application includes an energy storage module and an energy conversion module. Among them, the energy storage module includes a gravity block 10, and the energy conversion module includes a motor 11 and a generator 12. The crankshaft of the motor 11 is drivingly connected to the gravity block 10, so that the motor 11 can drive the gravity block 10 to move upward, and the gravity block 10 can The downward movement under the action of its own weight drives the crankshaft of the motor 11 to rotate. The crankshaft of the electric motor 11 is drivingly connected to the crankshaft of the generator 12. When the gravity block 10 moves downward under the action of its own weight to drive the crankshaft of the motor 11 to rotate, The crankshaft of the electric motor 11 drives the crankshaft of the generator 12 to rotate so that the generator 12 generates electricity.

The energy storage device provided by the embodiment of the present application uses the gravitational potential energy of the gravity block 10 to store energy and release energy. Compared with chemical batteries, which are less affected by harsh environmental factors such as low temperature, the energy storage device stores energy in harsh environments. The performance of releasing energy can be better guaranteed. During the energy storage process of the energy storage device, the motor 11 drives the gravity block 10 to move upward, the gravitational potential energy of the gravity block 10 increases, and the energy is stored in the form of the gravitational potential energy of the gravity block 10 . In the process of releasing energy from the energy storage device, the gravitational potential energy of the gravity block 10 is released, that is, the gravity block 10 driven to a higher position by the motor 11 is dropped. During the falling process of the gravity block 10, the gravity block 10 will drive the motor 11. The rotation of the crankshaft drives the rotation of the crankshaft of the generator 12, thereby realizing the conversion of gravitational potential energy into electrical energy. The process of storing energy and releasing energy of the energy storage device is realized through mechanical movement. It has a simple structure, high reliability, high energy conversion efficiency, low implementation cost, and is less affected by harsh environmental factors. Therefore, the energy storage device provided by the embodiments of the present application can successfully store and release energy in harsh environments.

Moreover, the energy storage device provided by the embodiments of the present application has the advantages of high reliability and compact structure. The process of converting electrical energy into gravitational potential energy by the energy storage device and the process of converting gravitational potential energy into electrical energy are respectively realized by two components: the motor 11 and the generator 12. The motor 11 not only drives the gravity block 10 to move upward, but also acts as the generator 12 to generate electricity. The motor 11 and the generator 12 are more convenient to use together and have higher reliability. The energy released by gravity is converted into electrical energy. The gravity block 10 is used to drive the shaft of the motor 11 to rotate, and the shaft of the motor 11 drives the shaft of the generator 12 to rotate. This method is more convenient to realize. It only needs to drive the generator 12 and the motor 11. Just connect, the structure is simple and compact.

In some optional embodiments of this application, the gravity block 10 is made of lead. With such a structure, lead has a higher density and lower cost, so it is a more suitable material for manufacturing the gravity block 10 . In addition, lead is not easy to conduct electricity and heat, and its volatility is smaller in cold environments. It is suitable for use in colder environments and has better safety.

Please refer to Figures 1, 2 and 3. The transmission connection between the gravity block 10 and the motor 11 can be implemented in various forms, such as through a rope 13, a screw, a conveyor belt, a rack and pinion mechanism, a worm gear mechanism, etc. In some optional embodiments of this application, the motor 11 is a hub motor, and the rotor of the hub motor is located outside the stator. The gravity block 10 and the motor 11 are drivingly connected through a rope 13. One end of the rope 13 is wrapped around the rotor, and the other end is Connected to the gravity block 10, the rotor drives the gravity block 10 to move upward by winding the rope 13. In this structural form, the motor 11 and the gravity block 10 are connected by the rope 13. The structure is simple and the implementation is relatively convenient. The rotor wraps around the rope 13 through rotation relative to the stator, driving the gravity block 10 to move upward. The gravity block 10 can also pull the rope 13 under the action of gravity, driving the rotor to rotate in the opposite direction, thereby driving the shaft of the generator 12 to rotate. The wheel hub motor has a high degree of integration, and the wheel hub motor is used to wrap the rope 13. The installation is relatively stable, the reliability is high, the structure is relatively compact, and it is suitable for miniaturization. Moreover, the hub motor is suitable for reverse rotation, so as to drive the generator 12 to rotate driven by the gravity block 10 .

Please refer to Figures 4 and 5. In some optional embodiments of this application, the energy storage device also includes a protective cylinder 14. The gravity block 10 is disposed in the protective cylinder 14. The gravity block 10 can move under the action of gravity. The axial direction of the protective cylinder 14 causes relative movement with the inner wall of the protective cylinder 14. The gravity block 10 is formed with a receiving groove along one radial side of the protective cylinder 14. A ball 15 is provided in the receiving groove. The ball 15 is away from the side of the gravity block 10. The side extends out of the receiving groove and abuts against the inner wall of the protective tube 14 . With such a structure, the gravity block 10 cooperates with the protective tube 14 through the balls 15. The protective tube 14 can protect the gravity block 10, and can also guide the rise and fall of the gravity block 10 to avoid the influence of wind force on the gravity block 10. Shaking down will help reduce energy loss. During the sliding process of the gravity block 10 along the inner wall of the guide cylinder, the rolling of the balls 15 can effectively reduce friction, thereby reducing energy loss.

On this basis, please refer to Figures 4 and 5. In some optional embodiments of this application, the receiving groove extends circumferentially along the protective cylinder 14, and the number of balls 15 is multiple. The plurality of balls 15 are along the receiving groove. The grooves are arranged in the extending direction. In such a structure, the plurality of balls 15 surround the gravity block 10 along the circumferential direction of the protective tube 14, which is beneficial to improving the stability of the movement of the gravity block 10 along the inner wall of the protective tube 14. On this basis, in some optional embodiments of the present application, the number of accommodating grooves is multiple, and the multiple accommodating grooves are arranged along the axial direction of the protective tube 14. Such a structure is conducive to further improving the protection along the direction of the gravity block 10. The smoothness of the movement of the inner wall of the barrel 14. There are many specific implementation forms for arranging the plurality of receiving grooves along the axial direction of the protective tube 14 . For example, in some optional embodiments of the present application, a plurality of receiving grooves may be evenly arranged along the axial direction of the protective cylinder 14 , or the gravity block 10 may be formed with receiving grooves at both ends along the axial direction of the protective cylinder 14 .

It can be understood that, please refer to Figures 4 and 5, when multiple balls 15 are arranged along the extension direction of the accommodation groove, relative to the accommodation groove extending in other directions, the accommodation groove extends along the circumferential direction of the protective tube 14, which is conducive to This makes the centering degree of the gravity block 10 in the protective tube 14 better, which is beneficial to the smooth movement of the gravity block 10 in the protective tube 14 . In some optional embodiments of the present application, the protective tube 14 extends along the vertical direction a. With this structure, the receiving groove extends circumferentially along the protective tube 14 , that is, the extending direction of the receiving groove is perpendicular to the direction of gravity, which is beneficial to the stable installation of the ball 15 in the receiving groove.

Optionally, please refer to Figures 4 and 5. In some embodiments of the present application, the gravity block 10 is cylindrical, the inner cavity of the protective cylinder 14 is cylindrical, and the axis of the gravity block 10 and the axis of the protective cylinder 14 are same. Such a structural form facilitates processing and manufacturing, and is conducive to the smooth movement of the gravity block 10 within the protective tube 14 .

Optionally, please refer to Figures 4 and 5. In some embodiments of this application, the extension direction of the protective tube 14 is the vertical direction a. The vertical direction a is the direction parallel to the direction of gravity. With this structure, the movement of the gravity block 10 in the protective tube 14 is relatively smooth, the frictional resistance it receives is smaller, and the energy loss is smaller.

Optionally, please refer to Figures 4 and 5. In some embodiments of this application, the material of the protective tube 14 is aluminum alloy. Aluminum alloy is lighter in weight, lower in cost, and loses less when rusted, so it is more suitable to be used to make the protective tube 14.

Please refer to Figures 4, 5 and 6. In some optional embodiments of this application, the energy storage device also includes a protective cylinder 14 and a locking sleeve 16. Among them, the gravity block 10 is arranged in the protective tube 14. The gravity block 10 can produce relative movement with the inner wall of the protective tube 14 in the axial direction of the protective tube 14 under the action of gravity. The protective tube 14 includes a plurality of protective tube sections 141, and multiple protective tube sections 141. The protective tube sections 141 are detachably connected in sequence along the axial direction to form the protective tube 14; the locking sleeve 16 is set at the connection of two adjacent protective tube sections 141 to lock the two adjacent protective tube sections 141. A protruding plate 161 is formed on the outer wall of the locking sleeve 16 , and an angle is formed between the extended surface of the protruding plate 161 and the vertical direction of the axial direction of the protective tube 14 . Optionally, in some embodiments of the present application, the extended surface of the convex plate 161 is parallel to the axial direction of the protective tube 14 .

Please refer to Figure 4, Figure 5 and Figure 6. The protective tube 14 adopts a multi-segment form to facilitate transportation and installation. The convex plate 161 on the locking sleeve 16 can interfere with the airflow around the protective tube 14 to a certain extent, so as to slow down the wind vibration phenomenon caused by the excessive length of the protective tube 14. The length of the locking sleeve 16 is smaller than that of the protective barrel section 141. Compared with arranging the convex plate 161 on the protective barrel section 141, arranging the convex plate 161 on the locking sleeve 16 is beneficial to reducing the distance between the protective barrel section 141 and the lock. Tightly sleeved 16' storage space for easy transport.

Optionally, please refer to FIGS. 4 , 5 and 6 . In some embodiments of the present application, the number of convex plates 161 is multiple, and the plurality of convex plates 161 are evenly distributed along the circumferential direction of the locking sleeve 16 . Such a structure is conducive to further reducing and slowing down the wind vibration phenomenon caused by the excessive length of the protective tube 14. On this basis, in some optional embodiments of the present application, in order to facilitate processing and manufacturing, the number of convex plates 161 is four.

It should be explained that, please refer to Figures 4, 5 and 6. The length of the locking sleeve 16 and the length of the protective tube section 141 both refer to the axial length. The locking sleeve 16 locks the two adjacent protective cylinder sections 141 through the friction between its inner wall and the outer wall of the protective cylinder section 141. The ends of the two adjacent protective cylinder sections 141 that are close to each other pass through the locking sleeve 16 axially. The two ends extend into the locking sleeve 16. In some optional embodiments of this application, the locking sleeve 16 is a hoop.

It should be explained that, please refer to Figures 4, 5 and 6. Each protective tube section 141 has a cylindrical structure, and multiple protective tube sections 141 are sequentially connected through their axial ends to form the protective tube 14.

Please refer to Figure 4. In some optional embodiments of the present application, among the two adjacent protective tube sections 141, an installation groove 1411 is formed on one end of one protective tube section 141 close to the other protective tube section 141. The groove 1411 extends along the circumferential direction of the protective tube section 141. A flange 1412 is formed on the end surface of the other protective tube section 141 close to the installation groove 1411. The flange 1412 extends along the circumferential direction of the protective tube 14. The flange 1412 is in contact with the installation Slot 1411 snaps into place. With such a structure, two adjacent protective tube sections 141 are connected through snap fit between the mounting groove 1411 and the flange 1412, which is beneficial to improving the reliability of the connection.

Please refer to Figures 7, 8 and 9. In some optional embodiments of this application, the energy storage device also includes a protective cylinder 14 and a base 17. Among them, the gravity block 10 is arranged in the protective cylinder 14, and the gravity block 10 can produce relative movement with the inner wall of the protective cylinder 14 in the axial direction of the protective cylinder 14 under the action of gravity; the base 17 is used to be installed on external equipment, and the motor 11 is provided on the upper side of the base 17, and the protective tube 14 is fixedly connected to the lower side of the base 17. In some optional embodiments of this application, the upper end of the protective tube 14 is welded to the lower side of the base 17. A through hole 171 is formed on the base 17 , and the end wall of the upper end of the protective tube 14 surrounds the through hole 171 . In some optional embodiments of the present application, the circumferential contour of the through hole 171 is consistent with the circumferential contour of the inner cavity of the protective tube 14 . Same as the outline. The gravity block 10 is drivingly connected to the motor 11 through the through hole 171 . With this structure, the base 17 provides a reliable installation position for the motor 11 . Moreover, the upper end of the protective tube 14 is connected with the through hole 171, and the gravity block 10 extends into the protective tube 14 through the through hole 171, so that the positions of the motor 11 and the protective tube 14 are conveniently designed to be close, which is beneficial to improving the reliability of the structure.

On this basis, please refer to Figures 7, 8 and 9. In some optional embodiments of the present application, the base 17 has a plate-like structure, and the through hole 171 penetrates the plate-like structure along the thickness direction of the plate-like structure. . The base 17 has a plate-like structure, which facilitates processing and installation, facilitates the installation and arrangement of the motor 11, and also facilitates the installation of the base 17 on external equipment.

Please refer to Figures 7, 8 and 9. In some optional embodiments of the present application, a first bolt hole 172 is formed on the base 17, and the first bolt hole 172 is used for passing fasteners. Firmware is used to firmly connect the base 17 to external devices. In some optional embodiments in this application, the external device may be a pole tower 01 erected on the ground 02 .

Please refer to Figures 7, 8 and 9. In some optional embodiments of this application, a protective shell 21 is also included. The protective shell 21 is fixedly connected to the base 17, and the motor 11 is located in the protective shell 21. On this basis, in some optional embodiments of the present application, a second bolt hole 173 is formed on the base 17 , a third bolt hole 211 is formed on the protective shell 21 , and the second bolt hole 173 is connected with the third bolt hole 211 . The bolt holes 211 are provided correspondingly, and the second bolt hole 173 and the corresponding third bolt hole 211 are used for passing fasteners so that the protective shell 21 is installed on the base 17 . In some optional embodiments of the present application, there are four second bolt holes 173 and four third bolt holes 211 .

Please refer to Figures 2, 7, 8 and 9. In some optional embodiments of this application, the motor 11 is installed on the base 17 through the motor base 18. The motor base 18 includes a first mounting member 181 and a The second mounting part 182, the first mounting part 181 and the second mounting part 182 are arranged oppositely above the through hole 171, and are respectively located on both sides of the central axis of the through hole 171. Both ends of the motor 11 are respectively arranged on the first mounting part 181. with the second mounting member 182. In this structure, the motor 11 is disposed above the through hole 171 , which facilitates the gravity block 10 to be connected to the crankshaft of the motor 11 through the through hole 171 . Both ends of the motor 11 are fixed to the base 17 through the first mounting part 181 and the second mounting part 182 respectively, so that the installation stability of the motor 11 is relatively high.

It should be explained that the two ends of the motor 11 refer to the two ends of the motor 11 along the axial direction of the motor shaft. The two ends of the motor 11 are respectively provided on the first mounting part 181 and the second mounting part 182, so that the motor 11 The crankshaft is located above the through hole 171.

Please refer to Figures 2, 7, 8 and 9. In some optional embodiments of the present application, a plurality of fourth bolt holes 1811 are formed on the motor base 18, and the plurality of fourth bolt holes 1811 surround the through The hole 171 is provided, and the fourth bolt hole 1811 is used for passing fasteners to install the motor base 18 on the base 17 .

Please refer to Figure 10. In some optional embodiments of this application, the energy storage device also includes a base 20. The upper side of the base 20 is fixedly connected to the lower end of the protective tube 14. The connection method may be welding, etc., and the base 20 is The lower end is fixed on the tower 01. Such a structure makes the installation of the protective tube 14 more stable. In some optional embodiments in this application, a fifth bolt hole 201 is formed on the base 20 , and a fastener is inserted through the fifth bolt hole 201 to fix the fifth bolt hole 201 to the tower 01 . In some optional embodiments in this application, the number of fifth bolt holes 201 is four, and the four fifth bolt holes 201 are evenly distributed along the circumferential direction of the protective tube 14 .

Please refer to Figure 2. In some optional embodiments of this application, the motor 11 and the generator 12 are transmission connected through a gear mechanism. The gear mechanism includes a first gear 191 and a second gear 192 that mesh with each other. The first gear 191 The second gear 192 is sleeved on the crankshaft of the electric motor 11 , and the second gear 192 is sleeved on the crankshaft of the generator 12 . With such a structure, the transmission connection is simple and reliable, the processing and installation are relatively convenient, and the transmission efficiency is high. The operator can control the transmission ratio of the gear mechanism to obtain appropriate output power from the engine. In some optional embodiments of this application, the diameter of the first gear 191 is larger than the diameter of the second gear 192. Such a structure allows the crankshaft of the generator 12 to obtain a higher rotational speed driven by the electric motor 11. , thereby obtaining higher power generation efficiency.

Please refer to Figure 2. On the basis that the motor 11 and the generator 12 are connected through a gear mechanism, in some optional embodiments of the present application, the generator 12 can be disposed on the first mounting part 181 or the second mounting part. 182 on. Such a structure makes it convenient to place the motor 11 and the generator 12 closer, and the utilization rate of the motor base 18 is higher. The structure is simple and compact, and processing and installation are relatively convenient.

Obviously, the above-mentioned embodiments are only examples for clear explanation and are not intended to limit the implementation. For those of ordinary skill in the art, other different forms of changes or modifications can be made based on the above description. An exhaustive list of all implementations is neither necessary nor possible. The obvious changes or modifications derived therefrom are still within the protection scope of the present invention.

Claims (10)

An energy storage device including: Energy storage modules, including gravity blocks; The energy conversion module includes a motor and a generator. The crankshaft of the motor is drivingly connected to the gravity block, so that the motor can drive the gravity block to move upward, and the gravity block can move upward under the action of its own weight. The downward movement drives the crankshaft of the electric motor to rotate, and the crankshaft of the electric motor is drivingly connected to the crankshaft of the generator. When the gravity block moves downward under its own weight to drive the crankshaft of the electric motor to rotate, The crankshaft of the electric motor drives the crankshaft of the generator to rotate so that the generator generates electricity. The energy storage device according to claim 1, wherein the motor is a hub motor, the rotor of the hub motor is located outside the stator, the gravity block and the motor are connected through a rope transmission, and one end of the rope is wound around The other end of the rotor is connected to the gravity block, and the rotor drives the gravity block to move upward by winding the rope. The energy storage device according to claim 1, further comprising a protective cylinder, the gravity block is arranged in the protective cylinder, and the gravity block can interact with the protective cylinder in the axial direction under the action of gravity. The inner wall of the protective cylinder generates relative motion, and the gravity block is formed with a receiving groove along one side of the protective cylinder in the radial direction. Balls are provided in the receiving groove, and the balls are on the side away from the gravity block. Extends out of the receiving groove and abuts against the inner wall of the protective cylinder. The energy storage device according to claim 3, wherein the receiving groove extends along the circumferential direction of the protective cylinder, the number of the balls is multiple, and the plurality of balls are arranged along the extension direction of the receiving groove. . The energy storage device according to claim 1, further comprising: Protective cylinder, the gravity block is arranged in the protective cylinder, the gravity block can produce relative movement with the inner wall of the protective cylinder in the axial direction of the protective cylinder under the action of gravity, the protective cylinder includes A plurality of protective tube sections, the plurality of protective tube sections are detachably connected in sequence along the axial direction to form the protective tube; A locking sleeve is set at the connection between two adjacent protective cylinder sections to lock the two adjacent protective cylinder sections. A convex plate is formed on the outer wall of the locking sleeve, and the convex plate is formed on the outer wall of the locking sleeve. The extended surface of the plate has an included angle with the vertical direction of the axial direction of the protective tube. The energy storage device according to claim 5, wherein among the two adjacent protective cylinder sections, an end of one protective cylinder section close to the other protective cylinder section is formed with a mounting groove, and the mounting groove Extending along the circumferential direction of the protective tube section, a flange is formed on the end surface of the other end of the protective tube section close to the installation groove. The flange extends along the circumferential direction of the protective tube. The flange Snap fit with the installation slot. The energy storage device according to claim 1, further comprising: Protective cylinder, the gravity block is arranged in the protective cylinder, and the gravity block can produce relative movement with the inner wall of the protective cylinder in the axial direction of the protective cylinder under the action of gravity; A base for installation on external equipment, the motor is arranged on the upper side of the base, the protective tube is fixedly connected to the lower side of the base, a through hole is formed on the base, and the The end wall of the upper end of the protective tube surrounds the through hole, and the gravity block is drivingly connected to the motor through the through hole. The energy storage device according to claim 7, wherein the motor is installed on the base through a motor base, the motor base includes a first mounting part and a second mounting part, the first mounting part and the The second mounting part is arranged relatively above the through hole and is located on both sides of the central axis of the through hole. The two ends of the motor are respectively arranged on the first mounting part and the second mounting part. . The energy storage device according to any one of claims 1 to 8, wherein the motor and the generator are transmission connected through a gear mechanism, the gear mechanism includes a first gear and a second gear that mesh with each other, so The first gear is sleeved on the crankshaft of the electric motor, and the second gear is sleeved on the crankshaft of the generator. A transmission line monitoring system, which includes: The energy storage device according to any one of claims 1 to 9; A solar power source for powering the electric motor; A transmission line monitoring device, the generator is used to supply power to the transmission line monitoring device.

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