Outdoor power distribution cabinet lightning protection device

The outdoor power distribution cabinet lightning protection device, driven by a purely mechanical structure and natural environmental energy, solves the problems of lightning rod damage and malfunction, achieves reliable lightning protection under extreme conditions, extends equipment life, and improves lightning protection efficiency.

CN120341718BActive Publication Date: 2025-10-21SHANDONG NANDIAN ELECTRIC POWER CO LTD
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Patent Information

Application Number
CN202510829398.8
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2025-06-20
Publication Date
2025-10-21
Estimated Expiration
2045-06-20

AI Technical Summary

Technical Problem

Traditional outdoor power distribution cabinet lightning rods are susceptible to wind and rain erosion and mechanical collision damage. The lifting structure that relies on external power is prone to failure in extreme weather conditions and is also prone to ineffective operation due to misjudgment of a single meteorological parameter, resulting in serious mechanical wear.

Method used

It adopts a purely mechanical structure combined with air pressure and electromagnetic induction devices. It uses air pressure changes and electromagnetic energy to drive the lightning rod to extend. The automatic extension and reset of the lightning rod is achieved through the counterweight block and U-shaped frame mechanical structure, avoiding dependence on external power supply. The combination of diaphragm-type air pressure sensor and metal induction plate improves accuracy and reliability.

Benefits of technology

To ensure reliable operation of lightning rods in extreme environments, prevent malfunctions, extend equipment life, improve lightning protection efficiency and stability, and reduce mechanical wear.

✦ Generated by Eureka AI based on patent content.

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Abstract

The application relates to the technical field of power distribution cabinet protection, in particular to a lightning protection device for an outdoor power distribution cabinet, which comprises a top plate fixed to the power distribution cabinet, a lightning protection mechanism comprising a protective sleeve fixed to the top plate, a base slidably connected in the protective sleeve, a lightning rod fixed to the base, a cover plate movably installed on the protective sleeve, an extension assembly arranged on the protective sleeve and used for moving the lightning rod, the extension assembly comprising slide rails obliquely arranged on the two sides of the protective sleeve, a frame body fixed to the slide rails, a counterweight slidably connected to the slide rails and used for pulling the lightning rod upwards, the other end of a connecting rope extending into the protective sleeve and connected to the base, a U-shaped frame slidably connected to the slide rails, and a stopper arranged in the U-shaped frame and located at the bottom of the U-shaped frame, wherein the size of air pressure is used to control the stopper to be separated from the U-shaped frame, and a displacement mechanism is arranged on the top plate and used for driving the cover plate to move by electrostatic force. The lightning rod can automatically move out of the protective sleeve, and the power distribution cabinet is protected by lightning protection measures.
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Description

Technical Field

[0001] The present invention relates to the technical field of power distribution cabinet protection, in particular to a lightning protection device for an outdoor power distribution cabinet. Background Art

[0002] As a key outdoor node in the power system, outdoor distribution cabinets face long-term risks of lightning strikes. Traditional lightning rods are exposed to the outdoor environment for a long time, and are affected by wind and rain erosion, mechanical collisions (such as bird roosting, foreign object impacts), and are prone to problems such as needle tip blunting and metal corrosion, resulting in a decrease in lightning induction efficiency. In addition, the lightning rods are extended and retracted using a lifting device. The electric, hydraulic and other driven lifting structures rely on external power or gas sources, which are prone to failure due to lightning-induced grid fluctuations, power outages or extreme climates (such as low temperatures causing increased hydraulic oil viscosity and abnormal air pressure). Electronic control components are easily damaged by interference in strong electromagnetic environments. In addition, they rely on a single meteorological parameter (such as electric field strength or air pressure changes) to trigger. Non-thunderstorm factors such as industrial static electricity emissions and ordinary weather fluctuations can easily lead to misjudgment, causing frequent and ineffective operations of lightning rods and accelerated mechanical loss. Summary of the Invention

[0003] In view of the deficiencies of the prior art, the present invention provides an outdoor distribution cabinet lightning protection device, which has the advantage of protecting the lightning rod and solves the problem of the lightning rod being exposed to the outdoor environment for a long time.

[0004] In order to solve the above technical problems, the present invention provides the following technical solutions:

[0005] The lightning protection device of an outdoor distribution cabinet includes a top plate fixedly connected to the distribution cabinet, the distribution cabinet is provided with a lightning protection mechanism, the lightning protection mechanism includes a protective cover fixedly connected to the top plate, a base is slidably connected in the protective cover, a lightning rod is fixed on the base, a cover is movably installed on the protective cover, and an extension component for moving out the lightning rod is provided on the protective cover, the extension component includes a slide rail obliquely installed on both sides of the protective cover, a frame is fixed on the slide rail, a counterweight block for pulling the lightning rod up is slidably connected on the slide rail, a connecting rope is fixed on the counterweight block, the other end of the connecting rope extends into the protective cover and is connected to the base, both sides of the protective cover are fixed with an outer shell, a U-shaped frame is slidably connected between the slide rail and the outer shell, the U-shaped frame is placed inverted, a block is provided at the bottom of the U-shaped frame in the slide rail, the block is controlled to disengage from the U-shaped frame by the size of the air pressure, and a shifting mechanism is provided on the top plate that drives the cover to move by electrostatic force.

[0006] Preferably, a partition is fixed inside the shell, a spring is fixed between the partition and the block, a U-shaped rod is fixed on the block, the U-shaped rod is tilted, a diaphragm type air pressure sensor is fixed to the bottom of the shell, a diaphragm is provided on the diaphragm type air pressure sensor, and the diaphragm is in contact with the end of the U-shaped rod.

[0007] Preferably, the U-shaped rod is slidably connected to the partition, and the U-shaped frame is slidably connected to the bottom of the slide rail through a slide groove.

[0008] Preferably, a transmission shaft is rotatably mounted on the top plate, a connecting strip fixed to the cover plate is mounted on the transmission shaft, a plurality of fan blades are fixed to the transmission shaft, and the plurality of fan blades are distributed in a ring shape, a bracket is fixed to the top plate, a metal induction plate is obliquely mounted on the bracket, magnetic blocks corresponding to the metal induction plate are fixed to the fan blades, and a blocking column for blocking the cover plate is fixed to the top plate.

[0009] Preferably, the connecting rope is in an inverted U shape, and the highest point of the connecting rope is located at the top of the protective sleeve.

[0010] Preferably, a shell is fixedly connected to the distribution cabinet, a motor 1 is fixedly installed in the shell, a transmission roller is fixedly connected to the output shaft of the motor 1, a transmission rope is connected to the transmission roller to pull the lightning rod on the base to reset, and the end of the transmission rope extends to the inside of the protective cover and is connected to the base.

[0011] Preferably, a support base is fixedly connected to the frame, an electric push rod is fixedly mounted on the support base, and a transmission bar for pushing the U-shaped frame to reset is fixedly connected to the free end of the electric push rod.

[0012] Preferably, the bottom end of the transmission shaft is fixedly connected with a spur gear, the bottom of the top plate is fixedly installed with motor 2, the output end of motor 2 is fixedly connected with an incomplete gear corresponding to the spur gear, and the rotation of the transmission shaft drives the cover plate on the connecting bar to reset.

[0013] Preferably, a blocking rod is fixedly connected to the lightning rod, and the top end of the blocking rod is located above the highest point of the lightning rod.

[0014] Preferably, a controller is installed on the power distribution cabinet, and the controller is located below the top plate.

[0015] By means of the above technical solution, the present invention provides an outdoor distribution cabinet lightning protection device, which has at least the following beneficial effects:

[0016] 1. The outdoor distribution cabinet lightning protection device, the counterweight block slides into the frame, and then the counterweight block pulls the connecting rope to drive the base to rise. The lightning rod rises with the base, allowing the lightning rod to automatically come out of the protective cover, taking lightning protection measures to protect the distribution cabinet.

[0017] 2. The lightning protection device of the outdoor distribution cabinet will significantly increase the electrostatic field intensity near the ground tens of minutes to hours before the formation of thunderstorm clouds. At this time, the cover will be removed in advance to facilitate the extension of the lightning rod. No external power supply or built-in battery is required, avoiding protection failure caused by power outages and ensuring that the lightning rod can still be extended by relying on natural environmental energy in a complete power outage scenario.

[0018] 3. For the lightning protection device of the outdoor distribution cabinet, abnormal changes in air pressure will cause the diaphragm on the diaphragm-type air pressure sensor to deform. When the middle of the diaphragm bulges, the U-shaped rod in contact with it will move outward. Then the U-shaped rod drives the block to move away from the U-shaped frame, and the counterweight block can be moved normally. The trigger signal can avoid false operation in non-thunderstorm weather (such as ordinary wind and rain) and improve the accuracy of the lightning rod extension.

[0019] 4. The outdoor power distribution cabinet lightning protection device converts air pressure changes into mechanical displacement through a purely mechanical structure. It does not require an external power supply and can still work reliably in extreme situations such as power outages caused by lightning, thereby improving the stability of the device in harsh environments.

[0020] 5. The lightning protection device of the outdoor distribution cabinet relies on the electromagnetic energy in the natural environment to work normally, ensuring that the cover can be removed in time under extreme circumstances to allow the lightning rod to extend for lightning protection, thereby improving the reliability of the entire lightning protection device.

[0021] 6. The lightning protection device of the outdoor distribution cabinet can accurately distinguish between real thunderstorm scenes and single-factor interference (such as ordinary wind and rain, industrial static electricity or accidental air pressure fluctuations), avoiding mechanical loss caused by false triggering of the device. It ensures that the lightning rod responds quickly only when it is really needed, and improves the system's anti-interference ability through conditional interlocking, thereby ensuring the effectiveness of lightning protection and extending the service life of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The accompanying drawings described herein are used to provide a further understanding of the present invention and constitute a part of this application:

[0023] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention;

[0024] Figure 2 Schematic diagram of the structure of the lightning protection mechanism of the present invention;

[0025] Figure 3 Schematic diagram of the external connection structure of the counterweight block of the present invention;

[0026] Figure 4 For the present invention Figure 3 A magnified view of point A;

[0027] Figure 5 is a side view of the present invention;

[0028] Figure 6 Schematic diagram of the structure of the shifting mechanism of the present invention.

[0029] Reference numerals:

[0030] 100. Top plate; 101. Controller;

[0031] 200, lightning protection mechanism; 201, protective cover; 202, lightning rod; 203, cover; 204, base; 205, stopper; 206, extension assembly; 2061, slide rail; 2062, counterweight; 2063, connecting rope; 2064, frame; 2065, housing; 2066, U-shaped frame; 2067, stopper; 2068, partition; 2069, spring; 20610, U-shaped rod; 20611, diaphragm-type air pressure sensor; 20612, diaphragm; 207, housing; 208, motor 1; 209, transmission roller; 210, transmission rope; 211, support base; 212, electric push rod; 213, transmission bar;

[0032] 300, shift mechanism; 301, transmission shaft; 302, connecting bar; 303, metal induction plate; 304, fan blade; 305, magnetic block; 306, spur gear; 307, motor 2; 308, incomplete gear; 309, stop column. DETAILED DESCRIPTION

[0033] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0034] Outdoor power distribution cabinets are easily affected by lightning, and it is difficult for staff to maintain them during thunderstorms. Fixed lightning rods are easily damaged by long-term wind and rain. Electric ones require an external power supply and will fail during power outages. They are also prone to getting stuck when exposed to low or high temperatures. In addition, current devices are prone to misjudgment. For example, encountering industrial static electricity or ordinary wind and rain can cause lightning rods to expand and contract randomly, leading to wear of mechanical parts. Complex mechanical structures are also prone to rust and jamming, so a new lightning protection device that is more reliable, does not rely on electricity, and is less prone to failure is needed.

[0035] Example 1:

[0036] Combine Figures 1-4 As shown, the outdoor power distribution cabinet lightning protection device provided by the present invention includes a top plate 100 fixed to the power distribution cabinet, and a lightning protection mechanism 200 is provided on the power distribution cabinet;

[0037] The lightning protection mechanism 200 includes a protective cover 201 fixed to the top plate 100, a base 204 is slidably connected to the protective cover 201, a lightning rod 202 is fixed to the base 204, a cover 203 is movably mounted on the protective cover 201, and an extension component 206 for removing the lightning rod 202 is provided on the protective cover 201. The extension component 206 includes slide rails 2061 obliquely mounted on both sides of the protective cover 201, and a frame 2064 is fixed to the slide rails 2061. The slide rail 2061 is slidably connected to a counterweight block 2062 for pulling the lightning rod 202 up. Both sides of the protective cover 201 are fixed with a shell 2065. A U-shaped frame 2066 is slidably connected between the slide rail 2061 and the shell 2065. The other end of the connecting rope 2063 extends into the protective cover 201 and is connected to the base 204. The slide rail 2061 is slidably connected to a U-shaped frame 2066. The U-shaped frame 2066 is placed in an inverted position. There is a stopper 2067 at the bottom of the U-shaped frame 2066. The stopper 2067 is controlled by the air pressure to separate from the U-shaped frame 2066. Under normal weather conditions, the lightning rod 202 is in the protective cover 201, which can protect the lightning rod 202 from being damaged by other factors. Under thundering weather, the formation of thunderstorms (strong convective weather accompanied by thunder) requires specific meteorological conditions, in which the air pressure will change abnormally. At this time, the stopper 2067 will be released from the U-shaped frame 2066. The bottom of the frame 2066 is moved away, and then the U-shaped frame 2066 will slide downward through the slide groove, so that the U-shaped frame 2066 is moved away from the counterweight block 2062, and then the counterweight block 2062 slides into the frame 2064, and then the counterweight block 2062 pulls the connecting rope 2063 to drive the base 204 to rise. The lightning rod 202 rises with the base 204, so that the lightning rod 202 can automatically come out of the protective cover 201, and the lightning protection measures are taken to protect the power distribution cabinet;

[0038] Lightning weather may be accompanied by power grid fluctuations or even power outages. Using electricity as a power source will cause the lightning rod 202 to be unable to be normally exported. In order to solve the above problem, a displacement mechanism 300 is provided on the top plate 100 for driving the cover plate 203 to move by electrostatic force. The setting of the cover plate 203 can prevent the lightning rod 202 from going out when the electrostatic force does not change. Tens of minutes to hours before the formation of thunderstorm clouds will cause the electrostatic field intensity near the ground to increase significantly. At this time, the cover plate 203 will be removed in advance to facilitate the extension of the lightning rod 202. No external power supply or built-in battery is required, avoiding protection failure caused by power interruption, and ensuring that the lightning rod 202 can still rely on natural environment energy to complete the extension action in a complete power outage scenario.

[0039] The air pressure balance on both sides of the diaphragm 20612 is broken, and the diaphragm 20612 will bend or bulge toward the side with lower pressure due to the pressure difference on both sides, thereby causing deformation, and the air pressure is in a significant and dynamic change process. A partition 2068 is fixedly connected to the shell 2065, and a spring 2069 is fixedly connected between the partition 2068 and the stopper 2067. A U-shaped rod 20610 is fixedly connected to the stopper 2067, and the U-shaped rod 20610 is tilted. A diaphragm-type air pressure sensor 20611 is fixedly connected to the bottom of the shell 2065, and a diaphragm 20612 is provided on the diaphragm-type air pressure sensor 20611. The diaphragm 206 12 fits with the end of the U-shaped rod 20610. Abnormal changes in air pressure will cause the diaphragm 20612 on the diaphragm-type air pressure sensor 20611 to deform. When the middle of the diaphragm 20612 bulges, it will cause the U-shaped rod 20610 in contact with it to move outward. Then the U-shaped rod 20610 drives the block 2067 to move away from the U-shaped frame 2066, and the counterweight block 2062 can be moved normally. Abnormal air pressure is one of the key precursors to the formation of thunderstorms. Using this as a trigger signal can avoid malfunction in non-thunderstorm weather (such as ordinary wind and rain) and improve the accuracy of the extension of the lightning rod 202.

[0040] Furthermore, the U-shaped rod 20610 is slidably connected to the partition 2068, and the U-shaped frame 2066 is slidably connected to the bottom of the slide rail 2061 through a sliding groove. The two ends of the U-shaped frame 2066 are slidably connected to the bottom of the slide rail 2061, and the body of the U-shaped frame 2066 is slidably connected to the upper part of the slide rail 2061 through the sliding groove, so that the U-shaped frame 2066 can move up and down on the slide rail 2061 without separating from the slide rail 2061.

[0041] According to the embodiments, the air pressure change is converted into mechanical displacement through a purely mechanical structure, and no external power supply is required. It can still work reliably in extreme situations such as power outages caused by lightning, thereby improving the stability of the device in harsh environments.

[0042] Example 2:

[0043] Traditional mechanisms require external power (mains electricity, battery) or built-in battery power supply. If there is a power outage, battery exhaustion, or line short circuit (such as overvoltage caused by lightning), the mechanism may fail. In order to solve the above problems, combined with Figure 5 and Figure 6As shown, on the basis of embodiment 1, a transmission shaft 301 is rotatably mounted on the top plate 100, a connecting strip 302 fixed to the cover plate 203 is set on the transmission shaft 301, a plurality of fan blades 304 are fixed to the transmission shaft 301, and the plurality of fan blades 304 are distributed in a ring shape, a bracket is fixed to the top plate 100, a metal induction plate 303 is obliquely mounted on the bracket, a magnetic block 305 corresponding to the metal induction plate 303 is fixed to the fan blade 304, and a blocking column 309 for blocking the cover plate 203 is fixed to the top plate 100. When thunder strikes, the high-frequency strong electromagnetic field generated by lightning makes the metal induction plate The induction plate 303 induces a changing electromotive force, and the metal induction plate 303 acts as a conductor to generate an induced current (eddy current). The magnetic field generated by the current interacts with the magnetic field of the magnet 305. According to Lenz's law, the induced magnetic field hinders the change of magnetic flux, thereby generating a reverse thrust on the magnet 305. Because the metal induction plate 303 is installed at an angle, the thrust is decomposed into a continuous tangential component, which drives the fan blades 304 to drive the transmission shaft 301 to rotate, and then the transmission shaft 301 moves the cover 203 away from the protective sleeve 201, and blocks the cover 203 to prevent it from moving excessively and returning to its original position.

[0044] Specifically, the connecting rope 2063 is in an inverted U shape, and the highest point of the connecting rope 2063 is located at the top of the protective cover 201, which can move the lightning rod 202 to a certain height for normal lightning protection operations.

[0045] According to the embodiment, it can be seen that the normal operation depends on the electromagnetic energy in the natural environment, ensuring that the cover 203 can be removed in time in extreme cases to allow the lightning rod 202 to extend for lightning protection, thereby improving the reliability of the entire lightning protection device.

[0046] Example 3:

[0047] After the lightning weather has passed, in order to ensure that the lightning rod 202 continues to be protected, Figure 5 and Figure 6As shown, on the basis of embodiment 1, a housing 207 is fixedly connected to the power distribution cabinet, a motor 208 is fixedly installed in the housing 207, a transmission roller 209 is fixedly connected to the output shaft of the motor 208, and a transmission rope 210 for pulling the lightning rod 202 to reset is connected to the transmission roller 209. The end of the transmission rope 210 extends to the inside of the protective cover 201 and is connected to the base 204. When the motor 208 is started, the transmission roller 209 is driven to rotate. The rotation of the transmission roller 209 can wind the transmission rope 210, pulling the base 202 to reset. 4 is reset, and at the same time, the base 204 also pulls the counterweight block 2062 to reset through the connecting rope 2063, and then the U-shaped frame 2066 rises to block the counterweight block 2062, and the spring 2069 pushes the block 2067 to insert it into the bottom of the U-shaped frame 2066, completing the reset of the base 204 and the lightning rod 202, and then the motor 208 starts to drive the transmission roller 209 to reverse, so that the transmission rope 210 is in a loose state, and the subsequent base 204 and the lightning rod 202 can rise normally.

[0048] A support base 211 is fixedly connected to the frame 2064, and an electric push rod 212 is fixedly installed on the support base 211. The free end of the electric push rod 212 is fixedly connected to a transmission bar 213 for pushing the U-shaped frame 2066 to reset. The free end of the electric push rod 212 is extended and retracted to push the transmission bar 213 to move, and the transmission bar 213 contacts the two ends of the U-shaped frame 2066 to push it to reset.

[0049] Furthermore, a spur gear 306 is fixedly connected to the bottom end of the transmission shaft 301, and a motor 2 307 is fixedly installed at the bottom of the top plate 100. The output end of the motor 2 307 is fixedly connected to an incomplete gear 308 corresponding to the spur gear 306. The transmission shaft 301 rotates to drive the cover plate 203 on the connecting bar 302 to reset. The motor 2 307 starts to drive the incomplete gear 308 to rotate. The incomplete gear 308 contacts the spur gear 306 to drive the transmission shaft 301 to rotate, and the transmission shaft 301 drives the cover plate 203 on the connecting bar 302 to reset.

[0050] According to the embodiment, when the thunderstorm ends, the diaphragm 20612 on the diaphragm-type air pressure sensor 20611 recovers its shape. When the gap in the middle of the U-shaped frame 2066 and the block 2067 are in the same plane, the spring 2069 pushes the block 2067 to be inserted into the gap, positioning the U-shaped frame 2066 to prevent the counterweight 2062 from sliding diagonally downward.

[0051] Example 4:

[0052] Combine Figure 2 and Figure 5As shown, based on the first embodiment, a blocking rod 205 is fixed to the lightning rod 202, and the top of the blocking rod 205 is located above the highest point of the lightning rod 202. When the cover plate 203 is not removed, the blocking rod 205 first contacts the cover plate 203 to prevent the lightning rod 202 from directly contacting the cover plate 203 and causing damage to it.

[0053] Specifically, a controller 101 is installed on the power distribution cabinet, and the controller 101 is located below the top plate 100 .

[0054] Abnormal changes in air pressure are the key meteorological feature of thunderstorm formation (sudden changes in air pressure associated with severe convective weather), and a significant increase in electrostatic field intensity is an electromagnetic precursor to the approach of thunderstorm clouds (appearing several hours to tens of minutes in advance). The simultaneous presence of the two can accurately distinguish between real thunderstorm scenes and interference from single factors (such as ordinary wind and rain, industrial static electricity, or accidental air pressure fluctuations), avoiding mechanical losses caused by false triggering of the device (such as frequent movement of the counterweight block 2062 and repeated opening and closing of the cover 203), ensuring that the lightning rod 202 responds quickly only when it is really needed, and improving the system's anti-interference capability through conditional interlocking, thereby extending the service life of the equipment while ensuring the effectiveness of lightning protection.

[0055] Through the above embodiment, it can be seen that: when dealing with lightning, the lightning rod 202 is placed in the protective cover 201 under normal weather conditions. Due to the thunderstorm, the static field strength near the ground increases significantly. The metal induction plate 303 induces a changing electromotive force in the high-frequency strong electromagnetic field of the lightning and generates eddy currents. The magnetic field generated by the metal induction plate 303 interacts with the magnetic field of the fan blade 304 and the magnetic block 305. The tilted metal induction plate 303 decomposes the thrust into a continuous tangential component, driving the fan blade 304 to drive the transmission shaft 301 to rotate, and the cover 203 is removed from the protective cover 201. At the same time, the air pressure associated with the thunderstorm The abnormal change causes the diaphragm 20612 of the diaphragm-type air pressure sensor 20611 to deform, pushing the U-shaped rod 20610 to drive the stop block 2067 to move away from the bottom of the U-shaped frame 2066. The U-shaped frame 2066 slides downward through the slide groove to separate from the counterweight block 2062. The counterweight block 2062 slides into the frame 2064 and pulls the connecting rope 2063 to drive the base 204 to rise. The lightning rod 202 extends from the protective cover 201 along with the base 204, completing the transition from the hidden state inside the protective cover 201 to the external extended state, thereby taking lightning protection measures to protect the distribution cabinet.

[0056] It should be noted that the terms "comprises", "includes" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or apparatus that includes a series of elements includes not only those elements, but also includes other elements not explicitly listed, or also includes elements that are inherent to such process, method, article or apparatus.

[0057] While embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions, and variations may be made to these embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. An outdoor power distribution cabinet lightning protection device, comprising a top plate (100) fixedly connected to the power distribution cabinet, characterized in that: The power distribution cabinet is provided with a lightning protection mechanism (200); The lightning protection mechanism (200) includes a protective sleeve (201) fixedly connected to the top plate (100), a base (204) slidably connected in the protective sleeve (201), a lightning rod (202) fixedly connected to the base (204), a cover plate (203) movably mounted on the protective sleeve (201), and a protruding component (206) for removing the lightning rod (202) is provided on the protective sleeve (201); The extending component (206) includes a slide rail (2061) obliquely mounted on both sides of the protective sleeve (201), a frame (2064) fixedly connected to the slide rail (2061), a counterweight (2062) for pulling the lightning rod (202) upward is slidably connected to the slide rail (2061), a connecting rope (2063) fixedly connected to the counterweight (2062), the other end of the connecting rope (2063) extending into the protective sleeve (201) and connected to the base (204), a shell (2065) fixedly connected to both sides of the protective sleeve (201), a U-shaped frame (2066) slidably connected between the slide rail (2061) and the shell (2065), the U-shaped frame (2066) being placed upside down, and a stopper (2067) located at the bottom of the U-shaped frame (2066) is provided in the shell (2065); The top plate (100) is provided with a displacement mechanism (300) for driving the cover plate (203) to move by electrostatic force; A partition (2068) is fixedly connected inside the housing (2065), a spring (2069) is fixedly connected between the partition (2068) and the stopper (2067), a U-shaped rod (20610) is fixedly connected to the stopper (2067), and the U-shaped rod (20610) is tilted. A diaphragm-type air pressure sensor (20611) is fixedly connected to the bottom of the housing (2065), and a diaphragm (20612) is provided on the diaphragm-type air pressure sensor (20611), and the diaphragm (20612) is in contact with the end of the U-shaped rod (20610).

2. The outdoor power distribution cabinet lightning protection device according to claim 1, characterized in that: The U-shaped rod (20610) is slidably connected to the partition (2068), and the U-shaped frame (2066) is slidably connected to the bottom of the slide rail (2061) through a slide groove.

3. The outdoor power distribution cabinet lightning protection device according to claim 1, characterized in that: A transmission shaft (301) is rotatably mounted on the top plate (100), a connecting strip (302) fixedly connected to the cover plate (203) is sleeved on the transmission shaft (301), a plurality of fan blades (304) are fixedly connected to the transmission shaft (301), and the plurality of fan blades (304) are distributed in a ring shape, a bracket is fixedly connected to the top plate (100), a metal induction plate (303) is obliquely mounted on the bracket, a magnetic block (305) corresponding to the metal induction plate (303) is fixedly connected to the fan blade (304), and a blocking column (309) for blocking the cover plate (203) is fixedly connected to the top plate (100).

4. The outdoor power distribution cabinet lightning protection device according to claim 1, characterized in that: The connecting rope (2063) is in an inverted U shape, and the highest point of the connecting rope (2063) is located at the top of the protective sleeve (201).

5. The outdoor power distribution cabinet lightning protection device according to claim 1, characterized in that: The power distribution cabinet is fixedly connected to a housing (207), a motor 1 (208) is fixedly installed in the housing (207), a transmission roller (209) is fixedly connected to the output shaft of the motor 1 (208), and a transmission rope (210) is connected to the transmission roller (209) for pulling the lightning rod (202) on the base (204) to reset. The end of the transmission rope (210) extends into the interior of the protective cover (201) and is connected to the base (204).

6. The outdoor power distribution cabinet lightning protection device according to claim 1, characterized in that: A support base (211) is fixedly connected to the frame (2064), an electric push rod (212) is fixedly mounted on the support base (211), and a transmission bar (213) for pushing the U-shaped frame (2066) to reset is fixedly connected to the free end of the electric push rod (212).

7. The outdoor power distribution cabinet lightning protection device according to claim 3, characterized in that: The bottom end of the transmission shaft (301) is fixedly connected to a spur gear (306), the bottom of the top plate (100) is fixedly installed with a second motor (307), the output end of the second motor (307) is fixedly connected to an incomplete gear (308) corresponding to the spur gear (306), and the transmission shaft (301) rotates to drive the cover plate (203) on the connecting bar (302) to reset.

8. The outdoor power distribution cabinet lightning protection device according to claim 1, characterized in that: A blocking rod (205) is fixedly connected to the lightning rod (202), and the top end of the blocking rod (205) is located above the highest point of the lightning rod (202).

9. The outdoor power distribution cabinet lightning protection device according to claim 1, characterized in that: A controller (101) is installed on the power distribution cabinet, and the controller (101) is located below the top plate (100).

Citation Information

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