Photovoltaic power generation array fault emergency isolation protection structure
By using mechanical isolation structure and special materials in the emergency isolation and protection structure of the photovoltaic power generation array, combined with components such as SMA drive lock pin release mechanism, limit mechanism, rotary isolation structure, anti-fall buffer mechanism and dry powder fire extinguishing structure, the problems of low detection accuracy and reliability and high maintenance costs in the existing technology are solved, and rapid response to faults, effective isolation of photovoltaic panels and suppression of fires, adapt to harsh environments, and safe and stable operation of the photovoltaic power generation array is achieved.
Patent Information
- Application Number
- CN202510021785.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-07
- Publication Date
- 2025-04-25
AI Technical Summary
The existing photovoltaic power generation array fault emergency isolation protection structure has low detection accuracy and reliability in harsh environments, high maintenance costs and complex structures, and cannot quickly and efficiently achieve comprehensive isolation and handling of faults.
Using mechanical isolation structures and special materials, the SMA drives the lock pin release mechanism, limiting mechanism, rotary isolation structure, anti-fall buffer mechanism and dry powder fire extinguishing structure to quickly respond to faults, effectively isolate photovoltaic panels, suppress the occurrence of fires, and adapt to harsh environments.
It realizes rapid response to faults, effectively isolate photovoltaic panels, suppresses the occurrence of fires, adapts to harsh environments, has a compact and reasonable structure, is convenient to maintain and is low in cost, ensuring the safe and stable operation of the photovoltaic power generation array.
Smart Images
Figure CN119891927A_ABST
Abstract
Description
Technical Field
[0001] The present invention belongs to the technical field of photovoltaic power generation array fault emergency isolation protection, and in particular relates to a photovoltaic power generation array fault emergency isolation protection structure. Background Art
[0002] Photovoltaic array, referred to as PV array, refers to a system composed of multiple photovoltaic components in a certain electrical connection method (such as series, parallel or series-parallel combination). These components are made of photovoltaic materials and can directly convert sunlight into electrical energy. Photovoltaic array is the core part of solar photovoltaic power generation system, responsible for collecting and converting solar energy to meet electricity demand. Photovoltaic array fault emergency isolation protection structure refers to a structure or mechanism in the photovoltaic system that can quickly cut off the connection between the faulty part and the rest of the system when a fault is detected in the power generation array or its components, prevent the fault from expanding, and protect the safety of personnel and equipment.
[0003] The existing photovoltaic array fault emergency isolation protection structure has the following disadvantages when in use:
[0004] 1. Traditional photovoltaic array protection measures usually rely on complex electronic sensor systems and automatic control devices to detect photovoltaic panel faults, and use electric or hydraulic transmission mechanisms to isolate and extinguish faulty photovoltaic panels. However, these electronic devices and transmission mechanisms are easily affected by factors such as temperature, humidity, dust, and electromagnetic interference in harsh outdoor environments, resulting in reduced accuracy and reliability of fault detection, and even misjudgment or failure.
[0005] 2. Electric or hydraulic transmission mechanisms require external power supply, which is not convenient for timely normal operation in some remote areas or emergency situations. In addition, their high maintenance cost and complex structure are not conducive to long-term stable operation. In addition, when dealing with photovoltaic panel failures, the existing protection structures often have complex coordination between components and cannot quickly and efficiently achieve comprehensive isolation and processing of faults, making it difficult to meet the safety requirements of photovoltaic power generation arrays in actual operation. Summary of the invention
[0006] The purpose of the present invention is to provide an existing photovoltaic power generation array fault emergency isolation protection structure, which has the advantages of adopting a mechanical isolation structure and special materials, having the characteristics of rapid response to faults, effective isolation of photovoltaic panels, efficient suppression of fires, adaptability to harsh environments, compact and reasonable structure, easy maintenance and low cost, etc., to comprehensively ensure the safe and stable operation of the photovoltaic power generation array.
[0007] The above technical objectives of the present invention are achieved through the following technical solutions: a photovoltaic power generation array fault emergency isolation protection structure, comprising a box and a photovoltaic structure, the inner wall of the box is bolted with a rotating rod, the bottom of the photovoltaic structure is bolted with a connecting assembly, the inner wall of the connecting assembly is rotatably connected to the surface of the rotating rod, the top of the box is bolted with a support frame, the inner wall of the support frame is movably connected to a limiting mechanism, the surface of the limiting mechanism is plugged into the inner wall of the photovoltaic structure, the inner wall of the photovoltaic structure is bolted with an SMA-driven lock pin release mechanism, the surface of the SMA-driven lock pin release mechanism is plugged into the inner wall of the limiting mechanism, the inner wall of the box is bolted with a rotating assembly, the inner wall of the rotating assembly is fixedly connected with a rotating isolation structure, the inner wall of the box is bolted with an anti-fall buffer mechanism, the bottom of the box is bolted with a dry powder fire extinguishing structure, the front side of the dry powder fire extinguishing structure is provided with an output assembly, and the inner wall of the dry powder fire extinguishing structure is rotatably connected with an anti-sedimentation assembly.
[0008] By adopting the above technical solution, by setting up a box, a support frame, an SMA-driven locking pin release mechanism, a limiting mechanism, a rotating component, an anti-fall buffer mechanism, a dry powder fire extinguishing structure, an output component and an anti-precipitation component, when the photovoltaic structure is abnormally high in temperature and continues, based on the thermal sensitivity of the SMA-driven locking pin release mechanism, it quickly contracts to release the restriction on the limiting mechanism, and then quickly releases the photovoltaic structure. The whole process is highly automated and responsive, effectively preventing the further deterioration and spread of the fault, enhancing the timeliness and accuracy of responding to sudden faults, and minimizing the scope and degree of the impact of the fault on the photovoltaic power generation array. In the isolation protection link, the photovoltaic structure tilts backwards to trigger the rotating isolation structure to rotate according to the lever principle and cover the top of the box, forming a physical isolation barrier, effectively preventing the internal fault hidden dangers from spreading outward, and ensuring The safety and stability of the surrounding environment and other normal operating parts of the photovoltaic power generation system, the setting of the anti-fall buffer mechanism effectively buffers the impact force of the photovoltaic structure tipping over, reduces the risk of damage to the photovoltaic structure due to collision, extends the service life of the photovoltaic structure, and ensures the continuous and efficient operation of the photovoltaic power generation array. The dry powder fire extinguishing structure can be quickly started when the temperature of the photovoltaic structure continues to rise abnormally, and the fire extinguishing medium can be accurately sprayed onto the surface of the photovoltaic structure to effectively curb the occurrence and development of fire. The anti-precipitation component rotates regularly under the drive of the output component to effectively prevent the dry powder from agglomerating, and always maintains the good performance and reliability of the dry powder fire extinguishing structure, providing a guarantee for responding to fire risks, and improving the defense capability and safety of the photovoltaic power generation array in the face of various faults and emergencies, and promoting the steady development and wide application of photovoltaic power generation technology under complex working conditions.
[0009] The present invention is further configured as follows: the limiting mechanism includes a limiting rod, a reset block and a tension spring, the side of the limiting rod close to the tension spring is fixedly connected to the tension spring, the side of the tension spring close to the inner wall of the support frame is fixedly connected to the support frame, the surface of the limiting rod is slidably connected to the inner wall of the support frame, the rear side of the reset block is bolted to the front side of the limiting rod, the surface of the limiting rod is plugged into the inner wall of the photovoltaic structure, the inner wall of the limiting rod is plugged into the surface of the SMA drive lock pin release mechanism, and the surface of the reset block is movably connected to the inner wall of the support frame.
[0010] By adopting the above technical solution, a limit rod, a reset block and a tension spring are set. The tension spring provides a stable reset elastic force for the limit rod, so that it can be tightly inserted into the photovoltaic structure and the support frame under normal conditions, ensuring the stable installation and positioning of the photovoltaic structure, and effectively preventing the accidental displacement of the photovoltaic structure due to external vibrations and other factors, thereby ensuring the structural stability and safety of the photovoltaic power generation array during normal operation. When the SMA drives the locking pin release mechanism to release the restriction on the limit rod, the tension spring can quickly pull the limit rod to rebound and quickly disengage from the connection with the photovoltaic structure, thereby realizing the rapid release of the photovoltaic structure, so that the photovoltaic structure can respond to the fault state in time and tilt backwards. This rapid response mechanism based on mechanical elastic force improves the response speed of the entire protective structure to faults and reduces the delay in fault handling.
[0011] The present invention is further configured as follows: the SMA driven lock pin release mechanism includes a fixed block, an SMA coil, a slider, a movable block and a pin rod, the surface of the fixed block is bolted to the inner wall of the photovoltaic structure, the bottom of the fixed block is fixedly connected to the top of the SMA coil, the bottom of the SMA coil is fixedly connected to the top of the movable block, the slider is bolted to the movable block on one side close to the movable block, the surface of the slider is slidably connected to the inner wall of the photovoltaic structure, the top of the pin rod is bolted to the bottom of the movable block, the surface of the pin rod is movably connected to the inner wall of the photovoltaic structure, and the surface of the pin rod is plugged into the inner wall of the limit rod.
[0012] By adopting the above technical scheme, a fixed block, an SMA coil, a slider, a movable block and a pin rod are set, and an SMA-driven lock pin release mechanism composed of the fixed block, the SMA coil, the slider, the movable block and the pin rod fully utilizes the shape memory characteristics of the SMA coil. At room temperature, the SMA coil maintains a certain shape and state, so that the pin rod is stably inserted into the limit rod to maintain the limit state of the photovoltaic structure. When the photovoltaic structure is abnormally high in temperature, the SMA coil contracts rapidly and transmits force to the pin rod through the movable block and the slider, so that the pin rod is quickly pulled out of the limit rod. The entire process does not require a complex external control system and energy supply, but is achieved only by changes in the physical properties of the material itself. It has extremely high reliability and stability, effectively avoiding possible failures and misjudgments of electronic sensors in harsh environments, ensuring that the isolation protection mechanism of the photovoltaic structure can be triggered in a timely and accurate manner at critical moments, and greatly improving the safety and emergency response capabilities of the photovoltaic power generation array in the face of high temperature failures.
[0013] The present invention is further configured as follows: the rotating assembly includes a fixing frame and a bearing assembly, the inner wall of the bearing assembly is fixedly connected to the surface of the rotating isolation structure, the surface of the bearing assembly is fixedly connected to the inner wall of the fixing frame, and the surface of the fixing frame is bolted to the inner wall of the box body.
[0014] By adopting the above technical solution, a fixing frame and a bearing assembly are set up, and a rotating assembly composed of the fixing frame and the bearing assembly provides a stable and flexible rotation support for the rotating isolation structure. The bearing assembly can effectively reduce the friction of the rotating isolation structure during the rotation process, so that the rotating isolation structure can quickly and smoothly follow the lever principle to rotate at the moment when the photovoltaic structure topples over, ensuring that it can accurately cover the top of the box to form a reliable physical isolation barrier. The firm bolting of the fixing frame and the box ensures the stability of the rotating assembly when it is subjected to the rotation impact of the rotating isolation structure and the influence of the external environment, thereby improving the reliability and effectiveness of the entire rotating isolation structure in the isolation protection link, preventing further contact between the faulty photovoltaic structure and the external environment, and reducing potential safety risks.
[0015] The present invention is further configured as follows: the rotating isolation structure includes a rotating shaft, a side plate and a protective plate, the top of the protective plate is bolted to the bottom of the side plate, the surface of the rotating shaft is bolted to the inner wall of the protective plate, and the surface of the rotating shaft is fixedly connected to the inner wall of the bearing assembly.
[0016] By adopting the above technical solution, a rotating shaft, side panels and protective panels are arranged. When the protective panels cover the top of the box, they can effectively block the heat and flames generated by the faulty photovoltaic structure from spreading outward, preventing the fire from spreading. The side panels provide stable side protection for the protective panels. The cooperation between the rotating shaft and the bearing assembly enables the rotating isolation structure to quickly respond to the tipping action of the photovoltaic structure and quickly realize the isolation function, thereby improving the isolation efficiency of the rotating isolation structure for faults and ensuring the safe operation of the photovoltaic power generation system.
[0017] The present invention is further configured as follows: the protective plate includes a surface layer, a heat insulation layer is provided on the surface of the surface layer, a fireproof layer is provided on the surface of the heat insulation layer, the heat insulation layer is made of aerogel material, and the fireproof layer is made of high temperature resistant fireproof coating.
[0018] By adopting the above technical scheme, the protective plate is set as a multi-layer structure, which enhances the performance of the protective plate. The surface layer can withstand a certain degree of physical impact and wear, protect the internal insulation layer and fireproof layer from direct damage by the external environment, and extend the service life of the protective plate. The insulation layer of the aerogel material has extremely low thermal conductivity, which can effectively prevent the transfer of heat, greatly reduce the impact of the high temperature generated by the faulty photovoltaic structure on the external environment, reduce the possibility and degree of harm of fire, and the fireproof layer of the high temperature resistant fireproof coating can quickly form a dense fireproof barrier when encountering flames to prevent the spread of flames, further enhancing the fireproof performance and safety of the entire photovoltaic array fault emergency isolation protection structure.
[0019] The present invention is further configured as follows: a counterweight block is bolted to the rear side of the photovoltaic structure, and a rubber pad is bolted to the rear side of the counterweight block.
[0020] By adopting the above technical solution, by setting a counterweight block and a rubber pad, the counterweight block on the rear side of the photovoltaic structure uses the principle of gravity. When a fault occurs, when the limit mechanism releases the restriction on the photovoltaic structure, it can accelerate the process of the photovoltaic structure tipping backward, so that it can quickly break away from the connection with other normal photovoltaic panels, avoid further spread of the fault, and improve the speed and efficiency of fault isolation. The setting of the rubber pad can play a buffering role when the counterweight block contacts or collides with other components, reduce the damage to the components caused by the impact force, protect the counterweight block and the components in contact with it, and extend the service life of the equipment. At the same time, it also reduces the noise generated by the collision, which is beneficial to the stable operation and maintenance of the photovoltaic power generation array.
[0021] The present invention is further configured as follows: the anti-fall buffer mechanism includes a flexible pad, a buffer assembly and a mounting plate, the bottom of the mounting plate is bolted to the inner wall of the box, the bottom of the buffer assembly is bolted to the top of the mounting plate, and the top of the buffer assembly is bolted to the bottom of the flexible pad.
[0022] By adopting the above technical scheme, by arranging flexible pads, buffer components and mounting plates, reliable buffer protection is provided for the tipping of the photovoltaic structure. When the photovoltaic structure tips backward into the box, it first contacts the flexible pads, which can absorb part of the impact force, and then the impact force is further dispersed and mitigated by the buffer components, thereby effectively avoiding damage to the photovoltaic structure due to hard collision with internal components of the box during the tipping process. The firm connection between the mounting plate and the box ensures the stability of the anti-fall buffer mechanism when it is subjected to impact, ensures the effective performance of its buffer function, and reduces the maintenance and replacement costs of the photovoltaic structure.
[0023] The present invention is further configured as follows: the dry powder fire extinguishing structure includes a fire extinguishing box, a transmission pipe and a mechanical thermal induction nozzle, the top of the fire extinguishing box is bolted to the bottom of the box body, the right side of the transmission pipe is fixedly connected to the left side of the fire extinguishing box, the surface of the mechanical thermal induction nozzle is clamped to the inner wall of the box body, and the left side of the mechanical thermal induction nozzle is fixedly connected to the right side of the transmission pipe.
[0024] By adopting the above technical solution, by setting up a fire extinguishing box, a transmission pipe and a mechanical thermal induction nozzle, when the temperature of the photovoltaic structure in the box continues to rise abnormally due to a fault, the mechanical thermal induction nozzle can quickly sense the temperature change and start, and accurately spray the fire extinguishing powder in the fire extinguishing box to the surface of the photovoltaic structure through the transmission pipe, so as to put out possible fires in time, effectively curb the spread of fires, and reduce the losses caused by fires to photovoltaic power generation arrays. The large-capacity design of the fire extinguishing box can store enough fire extinguishing powder to ensure that there is enough fire extinguishing medium to put out the fire when it occurs. The transmission pipe ensures that the fire extinguishing powder can be quickly and smoothly transported to the mechanical thermal induction nozzle, thereby improving the response speed and fire extinguishing efficiency of the fire extinguishing system.
[0025] The present invention is further configured as follows: the anti-precipitation component includes a drive shaft and a breaking up component, the front side of the drive shaft is bolted to the rear side of the output component, the inner wall of the breaking up component is bolted to the surface of the drive shaft, and the surface of the drive shaft is rotatably connected to the inner wall of the fire extinguisher box.
[0026] By adopting the above technical solution, a drive shaft and a dispersion component are set, and the anti-precipitation component composed of the drive shaft and the dispersion component can effectively solve the problem of precipitation and agglomeration of fire extinguishing powder in the dry powder fire extinguishing structure. Under normal circumstances, the output component drives the drive shaft to rotate, and drives the dispersion component to rotate in the fire extinguishing box, so as to regularly stir and disperse the fire extinguishing powder to prevent the fire extinguishing powder from agglomerating due to long-term standing, thereby ensuring that the fire extinguishing powder can maintain good fluidity and dispersibility when needed. This enables the fire extinguishing powder to pass smoothly through the transmission pipe and be evenly sprayed out from the nozzle, thereby improving the reliability and stability of the fire extinguishing effect, ensuring that the dry powder fire extinguishing structure can normally play a fire extinguishing role at critical moments, and enhancing the ability of the fire extinguishing box to deal with fire risks.
[0027] In summary, the present invention has the following beneficial effects:
[0028] 1. By setting up an SMA-driven lock pin release mechanism and a limit mechanism, when the photovoltaic structure has an abnormally high temperature and it lasts, based on the thermal sensitivity of the SMA-driven lock pin release mechanism, it quickly contracts to release the restriction on the limit mechanism, and then quickly releases the photovoltaic structure. The whole process is highly automated and responsive, effectively preventing the further deterioration and spread of the fault, enhancing the timeliness and accuracy of responding to sudden faults, and minimizing the scope and extent of the impact of the fault on the photovoltaic power generation array. In the isolation protection link, the photovoltaic structure tilts backward to trigger the rotating isolation structure to rotate and cover the top of the box according to the lever principle, forming a physical isolation barrier, effectively preventing the internal fault hidden dangers from spreading outward, and ensuring the safety and stability of the surrounding environment and other normal operating components of the photovoltaic power generation system. The setting of the anti-fall buffer mechanism effectively buffers the impact force of the photovoltaic structure tipping over, reduces the risk of damage to the photovoltaic structure due to collision, extends the service life of the photovoltaic structure, and ensures the continuous and efficient operation of the photovoltaic power generation array;
[0029] 2. By setting up a dry powder fire extinguishing structure and an anti-precipitation component, the dry powder fire extinguishing structure can be quickly activated when the temperature of the photovoltaic structure continues to rise abnormally, and the fire extinguishing medium can be accurately sprayed onto the surface of the photovoltaic structure, effectively curbing the occurrence and development of the fire. The anti-precipitation component rotates regularly under the drive of the output component to effectively prevent the dry powder from agglomerating, always maintaining the good performance and reliability of the dry powder fire extinguishing structure, providing a guarantee for responding to fire risks, and improving the defense capability and safety of photovoltaic power generation arrays in the face of various faults and emergencies, and promoting the steady development and wide application of photovoltaic power generation technology under complex working conditions. BRIEF DESCRIPTION OF THE DRAWINGS
[0030] Figure 1 It is a schematic diagram of the overall structure of the present invention;
[0031] Figure 2 It is a schematic diagram of the box structure of the present invention;
[0032] Figure 3 It is a schematic diagram of the photovoltaic structure of the present invention;
[0033] Figure 4 It is a schematic diagram of the support frame structure of the present invention;
[0034] Figure 5 It is a schematic diagram of the structure of the SMA driven lock pin release mechanism of the present invention;
[0035] Figure 6 It is a schematic diagram of the rotating rod structure of the present invention;
[0036] Figure 7 It is a schematic diagram of the structure of the rotary isolation structure of the present invention;
[0037] Figure 8 It is a schematic diagram of the surface structure of the present invention;
[0038] Fig. 9 It is a structural schematic diagram of the anti-fall buffer mechanism of the present invention;
[0039] Fig.10 It is a schematic diagram of the dry powder fire extinguishing structure of the present invention;
[0040] Fig.11 It is a schematic diagram of the structure of the anti-sedimentation component of the present invention;
[0041] Fig.12 It is a schematic diagram of the structure of the counterweight block of the present invention.
[0042] Figure numerals: 1, box body; 2, SMA drive lock pin release mechanism; 201, fixed block; 202, SMA coil; 203, slider; 204, movable block; 205, pin rod; 3, limit mechanism; 301, limit rod; 302, reset block; 303, tension spring; 4, rotating assembly; 401, fixed frame; 402, bearing assembly; 5, rotating isolation structure; 501, rotating shaft; 502, side plate; 503, protective plate; 503a, surface layer; 503b , thermal insulation layer; 503c, fireproof layer; 6, anti-fall buffer mechanism; 601, flexible pad; 602, buffer assembly; 603, mounting plate; 7, dry powder fire extinguishing structure; 701, fire extinguishing box; 702, transmission pipe; 703, mechanical thermal induction nozzle; 8, anti-precipitation assembly; 801, drive shaft; 802, breaking up assembly; 9, photovoltaic structure; 10, rotating rod; 11, connecting assembly; 12, supporting frame; 13, output assembly; 14, counterweight block; 15, rubber pad. DETAILED DESCRIPTION
[0043] The present invention is further described in detail below in conjunction with the accompanying drawings.
[0044] Embodiment 1:
[0045] refer to Figure 1-12A photovoltaic power generation array fault emergency isolation protection structure includes a box body 1 and a photovoltaic structure 9. The inner wall of the box body 1 is bolted with a rotating rod 10. The bottom of the photovoltaic structure 9 is bolted with a connecting component 11. The inner wall of the connecting component 11 is rotatably connected to the surface of the rotating rod 10. The top of the box body 1 is bolted with a supporting frame 12. The inner wall of the supporting frame 12 is movably connected to a limiting mechanism 3. The surface of the limiting mechanism 3 is plugged into the inner wall of the photovoltaic structure 9. The inner wall of the photovoltaic structure 9 is bolted with an SMA-driven locking pin release mechanism 2. The surface of the SMA-driven locking pin release mechanism 2 is plugged into the inner wall of the limiting mechanism 3. The inner wall of the box body 1 is bolted with a rotating component 4. The inner wall of the rotating component 4 is fixedly connected There is a rotating isolation structure 5, the inner wall of the box body 1 is bolted with an anti-fall buffer mechanism 6, the bottom of the box body 1 is bolted with a dry powder fire extinguishing structure 7, the front side of the dry powder fire extinguishing structure 7 is provided with an output component 13, and the inner wall of the dry powder fire extinguishing structure 7 is rotatably connected with an anti-precipitation component 8. By arranging the box body 1, the support frame 12, the SMA-driven lock pin release mechanism 2, the limiting mechanism 3, the rotating component 4, the anti-fall buffer mechanism 6, the dry powder fire extinguishing structure 7, the output component 13 and the anti-precipitation component 8, when the photovoltaic structure 9 has an abnormally high temperature and it lasts, based on the thermal sensitivity of the SMA-driven lock pin release mechanism 2, it quickly contracts to release the restriction on the limiting mechanism 3, and then quickly releases the photovoltaic structure 9. The photovoltaic structure 9 is released, and the whole process is highly automated and responsive, which effectively prevents the further deterioration and spread of the fault, enhances the timeliness and accuracy of responding to sudden faults, and minimizes the scope and degree of the fault's impact on the photovoltaic power generation array. In the isolation protection link, the photovoltaic structure 9 tilts backward to trigger the rotating isolation structure 5 to rotate according to the lever principle and cover the top of the box 1, forming a physical isolation barrier, effectively preventing the internal fault hidden dangers from spreading outward, and ensuring the safety and stability of the surrounding environment and other normal operating components of the photovoltaic power generation system. The setting of the anti-fall buffer mechanism 6 effectively buffers the impact of the photovoltaic structure 9 tilting, reducing the damage of the photovoltaic structure 9 caused by collision. The fire extinguishing device 7 can effectively prevent the occurrence and development of fires, and can also effectively prevent the occurrence and development of fires. The anti-precipitation component 8 rotates regularly under the drive of the output component 13, which effectively prevents the dry powder from agglomerating, and always maintains the good performance and reliability of the dry powder fire extinguishing structure 7, providing a guarantee for responding to fire risks, improving the defense capability and safety of the photovoltaic power generation array in the face of various faults and emergencies, and promoting the steady development and wide application of photovoltaic power generation technology under complex working conditions.
[0046] like Figure 5As shown, the limiting mechanism 3 includes a limiting rod 301, a reset block 302 and a tension spring 303. The side of the limiting rod 301 close to the tension spring 303 is fixedly connected to the tension spring 303, and the side of the tension spring 303 close to the inner wall of the support frame 12 is fixedly connected to the support frame 12. The surface of the limiting rod 301 is slidably connected to the inner wall of the support frame 12, the rear side of the reset block 302 is bolted to the front side of the limiting rod 301, the surface of the limiting rod 301 is plugged into the inner wall of the photovoltaic structure 9, the inner wall of the limiting rod 301 is plugged into the surface of the SMA driven lock pin release mechanism 2, and the surface of the reset block 302 is movably connected to the inner wall of the support frame 12. By setting the limiting rod 301, the reset block 302 and the tension spring 303, the tension spring 303 provides a stable The reset elastic force enables it to be tightly inserted into the photovoltaic structure 9 and the support frame 12 under normal conditions, ensuring the stable installation and positioning of the photovoltaic structure 9, effectively preventing accidental displacement of the photovoltaic structure 9 due to external vibrations and other factors, and ensuring the structural stability and safety of the photovoltaic power generation array during normal operation. When the SMA drives the locking pin release mechanism 2 to release the restriction on the limit rod 301, the tension spring 303 can quickly pull the limit rod 301 to rebound and quickly disengage from the connection with the photovoltaic structure 9, thereby realizing the rapid release of the photovoltaic structure 9, so that the photovoltaic structure 9 can respond to the fault state in time and tip backwards. This rapid response mechanism based on mechanical elastic force improves the response speed of the entire protective structure to faults and reduces the delay in fault handling.
[0047] like Figure 5As shown, the SMA driven lock pin release mechanism 2 includes a fixed block 201, an SMA coil 202, a slider 203, a movable block 204 and a pin 205. The surface of the fixed block 201 is bolted to the inner wall of the photovoltaic structure 9, the bottom of the fixed block 201 is fixedly connected to the top of the SMA coil 202, the bottom of the SMA coil 202 is fixedly connected to the top of the movable block 204, the slider 203 is bolted to the movable block 204 on one side close to the movable block 204, the surface of the slider 203 is slidably connected to the inner wall of the photovoltaic structure 9, the top of the pin 205 is bolted to the bottom of the movable block 204, the surface of the pin 205 is movably connected to the inner wall of the photovoltaic structure 9, and the surface of the pin 205 is plugged into the inner wall of the limiting rod 301. By setting the fixed block 201, the SMA coil 202, the slider 203, the movable block 204 and the pin 205, the fixed block 201, the SMA coil 202, the slider 203, the movable block 204 and The SMA driven lock pin release mechanism 2 composed of the pin rod 205 makes full use of the shape memory characteristics of the SMA coil 202. At room temperature, the SMA coil 202 maintains a certain shape and state, so that the pin rod 205 is stably inserted into the limit rod 301 to maintain the limit state of the photovoltaic structure 9. When the photovoltaic structure 9 reaches an abnormally high temperature, the SMA coil 202 shrinks rapidly and transmits force to the pin rod 205 through the movable block 204 and the slider 203, so that it is quickly pulled out of the limit rod 301. The entire process does not require a complex external control system and energy supply, but only relies on the changes in the physical properties of the material itself. It has extremely high reliability and stability, effectively avoiding possible failures and misjudgments of electronic sensors in harsh environments, ensuring that the isolation protection mechanism of the photovoltaic structure 9 can be triggered in a timely and accurate manner at critical moments, greatly improving the safety and emergency response capabilities of the photovoltaic power generation array in the face of high temperature failures.
[0048] like Figure 7As shown, the rotating component 4 includes a fixing frame 401 and a bearing assembly 402, the inner wall of the bearing assembly 402 is fixedly connected to the surface of the rotating isolation structure 5, the surface of the bearing assembly 402 is fixedly connected to the inner wall of the fixing frame 401, and the surface of the fixing frame 401 is bolted to the inner wall of the box body 1. By setting the fixing frame 401 and the bearing assembly 402, the rotating component 4 composed of the fixing frame 401 and the bearing assembly 402 provides a stable and flexible rotation support for the rotating isolation structure 5. The bearing assembly 402 can effectively reduce the friction of the rotating isolation structure 5 during the rotation process, so that the rotating isolation structure 5 can rotate quickly and smoothly according to the lever principle at the moment when the photovoltaic structure 9 falls over, ensuring that it can accurately cover the top of the box body 1 to form a reliable physical isolation barrier. The firm bolting of the fixing frame 401 and the box body 1 ensures the stability of the rotating component 4 when it is subjected to the rotation impact of the rotating isolation structure 5 and the influence of the external environment, thereby improving the reliability and effectiveness of the entire rotating isolation structure 5 in the isolation protection link, preventing the faulty photovoltaic structure 9 from further contact with the external environment, and reducing potential safety risks.
[0049] like Figure 7 As shown, the rotating isolation structure 5 includes a rotating shaft 501, a side plate 502 and a protective plate 503. The top of the protective plate 503 is bolted to the bottom of the side plate 502, the surface of the rotating shaft 501 is bolted to the inner wall of the protective plate 503, and the surface of the rotating shaft 501 is fixedly connected to the inner wall of the bearing assembly 402. By setting the rotating shaft 501, the side plate 502 and the protective plate 503, the protective plate 503 can effectively block the heat and flame generated by the faulty photovoltaic structure 9 from diffusing outward when covering the top of the box body 1, thereby preventing the fire from spreading. The side plate 502 provides stable side protection for the protective plate 503. The cooperation between the rotating shaft 501 and the bearing assembly 402 enables the rotating isolation structure 5 to quickly respond to the tipping action of the photovoltaic structure 9 and quickly realize the isolation function, thereby improving the isolation efficiency of the rotating isolation structure 5 for faults and ensuring the safe operation of the photovoltaic power generation system.
[0050] like Figure 8As shown, the protective plate 503 includes a surface layer 503a, a heat insulation layer 503b is arranged on the surface of the surface layer 503a, and a fireproof layer 503c is arranged on the surface of the heat insulation layer 503b. The material of the heat insulation layer 503b is aerogel material, and the material of the fireproof layer 503c is a high temperature resistant fireproof coating. The protective plate 503 is a multi-layer structure, which enhances the performance of the protective plate 503. The surface layer 503a can resist a certain degree of physical impact and wear, and protect the internal heat insulation layer 503b and the fireproof layer 503c from the external environment. Direct destruction, extending the service life of the protective plate 503, the thermal insulation layer 503b of the aerogel material has extremely low thermal conductivity, which can effectively prevent the transfer of heat, greatly reducing the impact of the high temperature generated by the faulty photovoltaic structure 9 on the external environment, reducing the possibility and degree of harm of fire, and the fireproof layer 503c of the high-temperature resistant fire-retardant coating can quickly form a dense fire barrier when encountering a flame, preventing the spread of the flame, and further enhancing the fireproof performance and safety of the entire photovoltaic array fault emergency isolation protection structure.
[0051] like Fig.12 As shown, a counterweight 14 is bolted to the rear side of the photovoltaic structure 9, and a rubber pad 15 is bolted to the rear side of the counterweight 14. By setting the counterweight 14 and the rubber pad 15, the counterweight 14 on the rear side of the photovoltaic structure 9 utilizes the principle of gravity. When a fault occurs, after the limiting mechanism 3 releases the restriction on the photovoltaic structure 9, it can accelerate the process of the photovoltaic structure 9 tipping backward, so that it can quickly break away from the connection with other normal photovoltaic panels, avoid further spread of the fault, and improve the speed and efficiency of fault isolation. The setting of the rubber pad 15 can play a buffering role when the counterweight 14 contacts or collides with other components, reduce the damage to the components caused by the impact force, protect the counterweight 14 and the components in contact with it, and extend the service life of the equipment. At the same time, it also reduces the noise generated by the collision, which is beneficial to the stable operation and maintenance of the photovoltaic power generation array.
[0052] like Fig. 9As shown, the anti-fall buffer mechanism 6 includes a flexible pad 601, a buffer component 602 and a mounting plate 603. The bottom of the mounting plate 603 is bolted to the inner wall of the box body 1, the bottom of the buffer component 602 is bolted to the top of the mounting plate 603, and the top of the buffer component 602 is bolted to the bottom of the flexible pad 601. By arranging the flexible pad 601, the buffer component 602 and the mounting plate 603, reliable buffer protection is provided for the tipping of the photovoltaic structure 9. When the photovoltaic structure 9 tips backward into the box body 1, it first contacts the flexible pad 601, which can absorb part of the impact force, and then the impact force is further dispersed and mitigated by the buffer component 602, effectively avoiding damage to the photovoltaic structure 9 due to hard collision with the internal components of the box body 1 during the tipping process. The firm connection between the mounting plate 603 and the box body 1 ensures the stability of the anti-fall buffer mechanism 6 when it is subjected to impact, ensures the effective performance of its buffering function, and reduces the maintenance and replacement cost of the photovoltaic structure 9.
[0053] Brief description of the use process: By setting up the SMA-driven lock pin release mechanism 2 and the limit mechanism 3, when the photovoltaic structure 9 has an abnormally high temperature and it lasts, based on the thermal sensitivity of the SMA-driven lock pin release mechanism 2, it quickly contracts to release the restriction on the limit mechanism 3, and then quickly releases the photovoltaic structure 9. The whole process is highly automated and responsive, effectively preventing the further deterioration and spread of the fault, enhancing the timeliness and accuracy of responding to sudden faults, and minimizing the scope and degree of the impact of the fault on the photovoltaic power generation array. In the isolation protection link, the photovoltaic structure 9 tilts backward to trigger the rotating isolation structure 5 to rotate and cover the top of the box 1 according to the lever principle, forming a physical isolation barrier, effectively preventing the internal fault hidden dangers from spreading outward, and ensuring the safety and stability of the surrounding environment and other normal operating components of the photovoltaic power generation system. The setting of the anti-fall buffer mechanism 6 effectively buffers the impact force of the photovoltaic structure 9 tilting, reduces the risk of damage to the photovoltaic structure 9 due to collision, extends the service life of the photovoltaic structure 9, and ensures the continuous and efficient operation of the photovoltaic power generation array.
[0054] Embodiment 2:
[0055] refer to Figure 10-11The dry powder fire extinguishing structure 7 includes a fire extinguishing box 701, a transmission pipe 702 and a mechanical thermal induction nozzle 703. The top of the fire extinguishing box 701 is bolted to the bottom of the box body 1, the right side of the transmission pipe 702 is fixedly connected to the left side of the fire extinguishing box 701, the surface of the mechanical thermal induction nozzle 703 is clamped to the inner wall of the box body 1, and the left side of the mechanical thermal induction nozzle 703 is fixedly connected to the right side of the transmission pipe 702. By setting the fire extinguishing box 701, the transmission pipe 702 and the mechanical thermal induction nozzle 703, when the photovoltaic structure 9 in the box body 1 causes the temperature to continue to rise abnormally due to a fault, the mechanical thermal induction nozzle The nozzle 703 can quickly sense the temperature change and start, and the fire extinguishing powder in the fire extinguishing box 701 is accurately sprayed onto the surface of the photovoltaic structure 9 through the transmission tube 702, so as to put out the possible fire in time, effectively curb the spread of the fire, and reduce the damage caused by the fire to the photovoltaic power generation array. The large-capacity design of the fire extinguishing box 701 can store enough fire extinguishing powder to ensure that there is enough fire extinguishing medium to put out the fire when it occurs. The transmission tube 702 ensures that the fire extinguishing powder can be quickly and smoothly transported to the mechanical thermal sensing nozzle 703, thereby improving the response speed and fire extinguishing efficiency of the fire extinguishing system.
[0056] like Fig.11 As shown, the anti-precipitation component 8 includes a drive shaft 801 and a scattering component 802. The front side of the drive shaft 801 is bolted to the rear side of the output component 13, the inner wall of the scattering component 802 is bolted to the surface of the drive shaft 801, and the surface of the drive shaft 801 is rotatably connected to the inner wall of the fire extinguishing box 701. By setting the drive shaft 801 and the scattering component 802, the anti-precipitation component 8 composed of the drive shaft 801 and the scattering component 802 can effectively solve the problem of precipitation and agglomeration of the fire extinguishing powder in the dry powder fire extinguishing structure 7. Under normal circumstances, the output component 1 The driving shaft 801 is driven to rotate, driving the scattering assembly 802 to rotate in the fire extinguishing box 701, and the fire extinguishing powder is regularly stirred and scattered to prevent the fire extinguishing powder from agglomerating due to long-term standing, and to ensure that the fire extinguishing powder can maintain good fluidity and dispersion when it is needed. This allows the fire extinguishing powder to pass through the transmission pipe 702 smoothly and be evenly sprayed from the nozzle, thereby improving the reliability and stability of the fire extinguishing effect, ensuring that the dry powder fire extinguishing structure 7 can normally play a fire extinguishing role at a critical moment, and enhancing the ability of the fire extinguishing box 701 to cope with fire risks.
[0057] Brief description of the use process: By setting up the dry powder fire extinguishing structure 7 and the anti-precipitation component 8, the dry powder fire extinguishing structure 7 can be quickly activated when the temperature of the photovoltaic structure 9 continues to rise abnormally, and the fire extinguishing medium can be accurately sprayed onto the surface of the photovoltaic structure 9, effectively curbing the occurrence and development of the fire. The anti-precipitation component 8 rotates regularly under the drive of the output component 13, effectively preventing the dry powder from agglomerating, and always maintaining the good performance and reliability of the dry powder fire extinguishing structure 7, providing a guarantee for dealing with fire risks, improving the defense capability and safety of the photovoltaic power generation array in the face of various faults and emergencies, and promoting the steady development and wide application of photovoltaic power generation technology under complex working conditions.
[0058] This specific embodiment is merely an explanation of the present invention and is not a limitation of the present invention. After reading this specification, those skilled in the art may make non-creative modifications to the present embodiment as needed. However, as long as they are within the scope of the claims of the present invention, they are protected by the patent law.
Claims
1. A photovoltaic power generation array fault emergency isolation protection structure, comprising a box (1) and a photovoltaic structure (9), characterized in that: The inner wall of the box (1) is bolted with a rotating rod (10), the bottom of the photovoltaic structure (9) is bolted with a connecting assembly (11), the inner wall of the connecting assembly (11) is rotatably connected to the surface of the rotating rod (10), the top of the box (1) is bolted with a supporting frame (12), the inner wall of the supporting frame (12) is movably connected to a limiting mechanism (3), the surface of the limiting mechanism (3) is plugged into the inner wall of the photovoltaic structure (9), the inner wall of the photovoltaic structure (9) is bolted with an SMA driven locking pin releasing mechanism (2), the SMA The surface of the driving lock pin release mechanism (2) is plugged into the inner wall of the limiting mechanism (3); the inner wall of the box (1) is bolted with a rotating assembly (4); the inner wall of the rotating assembly (4) is fixedly connected with a rotating isolation structure (5); the inner wall of the box (1) is bolted with an anti-fall buffer mechanism (6); the bottom of the box (1) is bolted with a dry powder fire extinguishing structure (7); the front side of the dry powder fire extinguishing structure (7) is provided with an output assembly (13); the inner wall of the dry powder fire extinguishing structure (7) is rotatably connected with an anti-sedimentation assembly (8).
2. A photovoltaic power generation array fault emergency isolation protection structure according to claim 1, characterized in that: The limiting mechanism (3) comprises a limiting rod (301), a reset block (302) and a tension spring (303); a side of the limiting rod (301) close to the tension spring (303) is fixedly connected to the tension spring (303); a side of the tension spring (303) close to the inner wall of the support frame (12) is fixedly connected to the support frame (12); a surface of the limiting rod (301) is slidably connected to the inner wall of the support frame (12); a rear side of the reset block (302) is bolted to a front side of the limiting rod (301); a surface of the limiting rod (301) is plugged into the inner wall of the photovoltaic structure (9); the inner wall of the limiting rod (301) is plugged into the surface of the SMA driven lock pin release mechanism (2); and a surface of the reset block (302) is movably connected to the inner wall of the support frame (12).
3. A photovoltaic power generation array fault emergency isolation protection structure according to claim 2, characterized in that: The SMA driven lock pin release mechanism (2) comprises a fixed block (201), an SMA coil (202), a slider (203), a movable block (204) and a pin rod (205); the surface of the fixed block (201) is bolted to the inner wall of the photovoltaic structure (9); the bottom of the fixed block (201) is fixedly connected to the top of the SMA coil (202); the bottom of the SMA coil (202) is fixedly connected to the top of the movable block (204); the side of the slider (203) close to the movable block (204) is bolted to the movable block (204); the surface of the slider (203) is slidably connected to the inner wall of the photovoltaic structure (9); the top of the pin rod (205) is bolted to the bottom of the movable block (204); the surface of the pin rod (205) is movably connected to the inner wall of the photovoltaic structure (9); and the surface of the pin rod (205) is plugged into the inner wall of the limit rod (301).
4. A photovoltaic power generation array fault emergency isolation protection structure according to claim 1, characterized in that: The rotating assembly (4) comprises a fixing frame (401) and a bearing assembly (402), wherein the inner wall of the bearing assembly (402) is fixedly connected to the surface of the rotating isolation structure (5), the surface of the bearing assembly (402) is fixedly connected to the inner wall of the fixing frame (401), and the surface of the fixing frame (401) is bolted to the inner wall of the housing (1).
5. A photovoltaic power generation array fault emergency isolation protection structure according to claim 4, characterized in that: The rotating isolation structure (5) comprises a rotating shaft (501), a side plate (502) and a protective plate (503), wherein the top of the protective plate (503) is bolted to the bottom of the side plate (502), the surface of the rotating shaft (501) is bolted to the inner wall of the protective plate (503), and the surface of the rotating shaft (501) is fixedly connected to the inner wall of the bearing assembly (402).
6. A photovoltaic power generation array fault emergency isolation protection structure according to claim 5, characterized in that: The protective plate (503) comprises a surface layer (503a), a heat insulation layer (503b) is arranged on the surface of the surface layer (503a), a fireproof layer (503c) is arranged on the surface of the heat insulation layer (503b), the heat insulation layer (503b) is made of aerogel material, and the fireproof layer (503c) is made of high temperature resistant fireproof coating.
7. A photovoltaic power generation array fault emergency isolation protection structure according to claim 1, characterized in that: A counterweight (14) is bolted to the rear side of the photovoltaic structure (9), and a rubber pad (15) is bolted to the rear side of the counterweight (14).
8. A photovoltaic power generation array fault emergency isolation protection structure according to claim 1, characterized in that: The anti-fall buffer mechanism (6) comprises a flexible pad (601), a buffer component (602) and a mounting plate (603); the bottom of the mounting plate (603) is bolted to the inner wall of the box body (1); the bottom of the buffer component (602) is bolted to the top of the mounting plate (603); and the top of the buffer component (602) is bolted to the bottom of the flexible pad (601).
9. A photovoltaic power generation array fault emergency isolation protection structure according to claim 1, characterized in that: The dry powder fire extinguishing structure (7) comprises a fire extinguishing box (701), a transmission pipe (702) and a mechanical thermal induction nozzle (703); the top of the fire extinguishing box (701) is bolted to the bottom of the box body (1); the right side of the transmission pipe (702) is fixedly connected to the left side of the fire extinguishing box (701); the surface of the mechanical thermal induction nozzle (703) is clamped to the inner wall of the box body (1); and the left side of the mechanical thermal induction nozzle (703) is fixedly connected to the right side of the transmission pipe (702).
10. A photovoltaic power generation array fault emergency isolation protection structure according to claim 9, characterized in that: The anti-precipitation component (8) comprises a driving shaft (801) and a scattering component (802), the front side of the driving shaft (801) is bolted to the rear side of the output component (13), the inner wall of the scattering component (802) is bolted to the surface of the driving shaft (801), and the surface of the driving shaft (801) is rotatably connected to the inner wall of the fire extinguishing box (701).