28results about How to "Reduce security threats" patented technology

The invention provides a safety protection algorithm design method for an industrial control system, which is used for determining a safety protection target and range, determining a key component and a business process and defining a protection boundary. And then risk assessment and threat modeling are carried out, potential threat and attack vectors are identified, and asset vulnerability and risk influence are assessed. Designing a security protection algorithm framework, selecting proper security technology and algorithm, and determining architecture and module composition. Identity authentication modules, data encryption and integrity protection modules, intrusion detection and defense modules and the like are designed in detail, and authentication modes, key management modules, integrity verification modules, intrusion detection algorithms, response strategies and the like are designed. And then realizing and integrating an algorithm, and programming in the system to realize and guarantee the cooperative work among the modules. And the performance and the security of the algorithm are optimized through a function and security test. And finally, deploying the algorithm to the industrial control system, continuously monitoring the operation state and the security situation of the industrial control system, dynamically adjusting the strategy and parameters, and effectively guaranteeing the security of the industrial control system.

The invention provides an offshore floating normal-pressure hydrogen storage photovoltaic power generation method, which adopts a normal-pressure hydrogen bag to store hydrogen, and the normal-pressure hydrogen bag is arranged below a photovoltaic cell panel or on an idle sea surface beside the photovoltaic cell panel; the hydrogen preparation device is communicated with the normal-pressure hydrogen bag and the hydrogen fuel power generation device through a hydrogen pipeline, photovoltaic electric energy is gathered through a photovoltaic wire, and then the electric energy is converted into hydrogen for normal-pressure storage. According to the invention, the continuity and stability of power supply can be ensured, and a new low-cost technical path can be provided for replacing thermal power by photovoltaic power generation.

The invention provides a stud ceramic ring rapid breaking and cleaning device and a construction method. The stud ceramic ring rapid breaking and cleaning device comprises at least two breaking execution units, a hinge transmission unit, a clamping fixed part, a clamping movable part, an anti-sputtering baffle, a first operating rod, a second operating rod and a hose. The crushing execution units are arranged on the lower portion of the inner side of the movable clamping part and the lower portion of the inner side of the fixed clamping part, one end of the hinged transmission unit is connected with the lower end of the anti-sputtering baffle, the other end of the hinged transmission unit is connected with the movable clamping part and the fixed clamping part, and the upper end of the anti-sputtering baffle is connected with the end of the hose. The first operating rod is arranged on the clamping fixed part, and the second operating rod is arranged on the clamping movable part. The ceramic ring crushing device has the beneficial effects that due to the adoption of the technical scheme, through the design of the multiple crushing execution units, pressure can be applied to a ceramic ring from multiple directions at the same time, the crushing speed and efficiency are remarkably improved, and the construction time is shortened; and through the combination of the anti-sputtering baffle and the dust collector, the ceramic ring disintegrating slag is effectively prevented from splashing.

The invention relates to the field of information security, in particular to a vulnerability reachability analysis and detection system based on a calling link JavaScr ipt component, and the system comprises an acquisition module which is used for acquiring a plurality of risk files from a project source code; the construction module is used for constructing an AST syntax tree according to a calling function of a code line in any risk file; the link generation module accesses the AST syntax tree through a traversal technology, obtains a function expression, obtains function calling information based on the function expression so as to construct a basic function calling link, and sequentially identifies and expands the basic function calling link into a multi-level function calling link according to the hierarchical structure of the basic function calling link; and the vulnerability detection module is used for querying by utilizing the vulnerability link rule and the multi-level function calling link, determining that the vulnerability is reachable if a vulnerability calling link fragment is queried, collecting the vulnerability and generating a vulnerability report. And the accuracy of vulnerability detection is improved.

The invention provides a dam monitoring and early warning system based on cloud data, relates to the technical field of dam monitoring and early warning, and aims to perform key monitoring on a high-risk area in a targeted manner by integrating historical data analysis, risk level quantification, scientific early warning threshold setting, data acquisition strategy optimization and a real-time monitoring and quick response mechanism. Monitoring resources are reasonably distributed, operation cost is reduced, intelligent data collection and management are achieved, an automatic multi-stage early warning mechanism is arranged, early warning accuracy and timeliness are improved, safety management and maintenance strategies are optimized, the dam safety management level is improved, potential safety threats are reduced, and the system has good application prospects. And the overall emergency response capability and the disaster prevention and control effect are improved.

The present invention discloses a method and system for realizing unified threat management in a heterogeneous network, and relates to the technical field of unified threat management, including calculating the real-time traffic anomaly coefficient and historical threat risk coefficient of each network or device, and calculating the network risk coefficient of each network or device; parsing the header of a data packet entering the unified threat management, identifying abnormal data packets, counting the number of abnormal data packets per unit time of each network or device, and deeply analyzing the content of the abnormal data packets, and counting the number of malicious data packets per unit time of each network or device; calculating the real-time carrying capacity of the unified threat management according to the real-time average traffic and the number of abnormal data packets of all networks or devices, issuing a data communication restriction warning, calculating the communication risk index of each network or device, and limiting the communication of the corresponding network or device. The communication of high-risk networks or devices can be automatically restricted to prevent malicious traffic from spreading in the network.

The utility model relates to a photovoltaic construction hoisting device, including lifting hook and the corner fixing spare of connection on lifting hook, corner fixing spare includes fixed chassis and the press frame of rotation connection in fixed frame, and press frame is used for with fixed chassis cooperation, to fix on photovoltaic construction fixed block, corner fixing spare still includes one end with fixed chassis rotation connection, the hydraulic rod of another end rotation connection with press frame, and hydraulic rod is used for drive press frame rotation. The technical scheme of the present application has beneficial technical effects: corner fixing spare can be fixed on photovoltaic construction fixed block closely and stably through the cooperation design of fixed chassis and press frame. In the hoisting process, this stable fixing mode effectively avoids photovoltaic module sliding accident caused by shaking or displacement, greatly reduces the security threat to construction personnel and surrounding environment when aerial work, and provides reliable security guarantee for the whole photovoltaic construction process.

The utility model discloses a hammerhead fixing device for an automobile steering knuckle drop hammer test, which relates to the technical field of automobile steering knuckle tests and comprises a base, the top of the base is connected with a top plate through a sliding rod and a support, and a first sliding plate and a second sliding plate are respectively slidably mounted on the sliding rod. A rotating shaft is rotatably mounted between mounting frames fixedly mounted on the front side and the rear side of the first sliding plate, worms are arranged at the two ends of the rotating shaft and are in meshed connection with worm wheels, the worm wheels are fixed to the top of a rotating rod, the rotating rod is rotatably mounted on the first sliding plate, a limiting plate is fixedly mounted at the bottom of the rotating rod, and an electromagnet is mounted at the bottom of the first sliding plate; a mechanical structure composed of the rotating shaft, the worm, the worm gear, the rotating rod, the limiting plate and the like is used for auxiliary fixing. Even if the electromagnet loses magnetic force due to power failure or power system failure, the limiting plate can still limit accidental falling of the impact head from the mechanical level, the double-guarantee effect is achieved, and the risk of accidental falling of the impact head is greatly reduced.

The utility model relates to a high-pressure environment-friendly gas cabinet with a pressure relief knapsack structure, which comprises the pressure relief knapsack structure and a gas cabinet, and the pressure relief knapsack structure is fixed on one side of the gas cabinet far away from an instrument box on the gas cabinet; an upper pile head, a lower pile head, a sensor, a mutual inductor and the like are arranged in the gas cabinet; a partition plate is arranged between the upper pile head and the pressure relief backpack structure; a flow guide buffer area is arranged between the pressure relief opening and the upper pile head, and a pressure relief path is arranged between the pressure relief opening and the lower pile head. The pressure relief knapsack is additionally arranged at the rear part of the cabinet body, the rear part of the upper pile head is separated by the aluminized zinc plate partition plate, and the pressure relief mode directly avoids the upper pile head. The rear pressure relief design is adopted, and the upper pile head is separated. A flow guide channel is additionally arranged between the pressure relief opening and the upper pile head, and airflow is guided to be released to an equipment-free area. Metal protective baffles are additionally arranged on the bus and the cable terminal on the pressure relief path; through the targeted design, the pressure relief function can be achieved, and meanwhile the safety threat to the upper pile head and peripheral equipment is reduced.

The invention discloses an ultra-high-voltage power transmission fireproof iron tower, and relates to the technical field of ultra-high-voltage power transmission. The production method comprises the following steps that a, steel selection is conducted, specifically, steel with the excellent high temperature resistance and the excellent flame retardant property is carefully selected, when the steel encounters the high temperature, the deformation degree is extremely small, the strength reduction amplitude is weak, and the structural stability of the iron tower can be powerfully maintained; through comprehensive utilization of fireproof materials, optimization of structural design and cooperation of strengthening of monitoring and early warning measures, the problems that in the prior art, an ultra-high-voltage transmission fireproof iron tower has some defects in use, the fireproof mode is single, fireproof work is not carried out through comprehensive utilization of the fireproof materials, optimization of the structural design and strengthening of the monitoring and early warning measures are solved; the problems that the fireproof effect is poor, the fireproof performance of the extra-high voltage power transmission fireproof iron tower is reduced, the fire risk is increased, the reliability of power transmission is reduced, and the current market demand cannot be met are solved.

The utility model provides a kind of fireproof gate for material storage, it is related to material storage fire safety field, it includes reel box and curtain plate, the both sides of curtain plate are matched with sealing assembly, sealing assembly includes guide rail, guide rail is fixedly installed at the bottom end of reel box, guide rail inside is provided with guide frame, the side close to curtain plate of guide frame is fixed with sealing rubber strip, fireproof gate for material storage further includes linkage assembly;Linkage assembly includes rotating shaft that is rotatably installed on guide rail, one end of rotating shaft is fixedly connected with first screw rod, first screw rod is transversely arranged and is screwed with guide frame, the other end of rotating shaft extends to the outside of guide rail and is coaxially fixed with gear, gear is engaged with rack, rack is vertically arranged and is fixedly connected with support rod at bottom, the lower end of support rod is fixedly connected with moving frame;The side of moving frame is below curtain plate.The utility model solves the technical problem that the gap between the existing fireproof gate and door frame is reserved, which causes smoke to easily penetrate.

The application discloses a safety device for building composite foundation pile soil sampling operation and relates to the technical field of building construction. The safety device comprises a protection box body placed in a detection hole formed on a foundation and a support frame located above the foundation. A protection door is hinged to one side of the protection box body. A lifting ring is arranged above the protection box body. An electric hoist is arranged at a position close to the protection box body of the support frame. The electric hoist is provided with a lifting rope connected with the lifting ring. Workers enter the protection box body, and the electric hoist installed on the support frame lowers the protection box body into the detection hole formed on the foundation to protect the workers. A protection door is hingedly arranged on one side of the protection box body. After the workers enter the protection box body, the protection door is closed to prevent soil from entering the protection box body when the protection box body encounters hole collapse in the detection hole of the foundation. The protection box body reduces the safety threat caused by hole collapse of the detection hole and upper soil falling to the workers.

The invention discloses an automated information security penetration testing platform, which relates to the field of information security technology. An asset discovery module is combined with active scanning and passive monitoring technologies to automatically identify assets in a network, and classify and sort them. A vulnerability scanning module integrates multiple tools to perform vulnerability scanning on these assets, and evaluates the security of system configuration based on a security baseline. A vulnerability exploitation module simulates vulnerability attack behaviors in a security sandbox, and evaluates their interference with the system. A comprehensive analysis module predicts and divides the security status of the system according to the system configuration and vulnerability impact, and dynamically adjusts the test strategy. When the system is in a low security state, the automated testing module triggers a comprehensive penetration test and issues an early warning, which greatly improves the efficiency and accuracy of the penetration test, can quickly respond to new attack methods, and promptly discover and repair potential security vulnerabilities.

The invention discloses an intelligent outbound method and related equipment, and the method comprises the steps: carrying out the filtering and matching of candidate users in a current outbound period according to a configured outbound rule, generating an outbound user list, creating an outbound task, and transmitting the outbound task to an outbound system; receiving an encrypted recording file and first outbound result details sent by the outbound system, wherein the first outbound result details are user feedback operation details within an outbound period or within a preset time period after the outbound is ended; the encrypted sound recording file is decrypted and analyzed, and second outbound result details are generated, and the second outbound result details are user expression operation details which are determined on the basis of outbound call recording generated after decryption and represent user operation intentions; and according to the first outbound result detail and the second outbound result detail, adjusting and determining a configuration outbound rule for the next outbound period. The intelligent outbound method disclosed by the invention has remarkable advantages in the aspects of guaranteeing data security and improving service flexibility and intelligent level.

The application discloses a brine circulating filtering device for brine chicken processing, which belongs to the technical field of brine filtering and comprises a base frame, a transmission frame fixedly connected to the top end of the base frame and a rotating plate rotatably connected to the inner side of the transmission frame. The brine circulating filtering device comprises a rotating filtering assembly, a plurality of filtering frames vertically and equidistantly distributed inside the second brine barrel and a connecting frame fixedly connected to the filtering frames. The filtering frames are driven by the overturning mechanism to synchronously realize the double actions of "horizontal rotation + vertical movement" in the brine. The contact position of the filter screen and the brine is continuously changed during the rotation process, so that the impurities are prevented from being accumulated in the local position to form "filter cake". The initial position of the filtering frames is arranged at the bottom of the second brine barrel, the filtering frames are gradually lifted along with the injection of the brine, most of the structures are always immersed in the brine, the brine is horizontally and stably filtered through the filter screen and the impact and splashing phenomena during the traditional pouring filtering are avoided.

The invention relates to the technical field of intelligent building safety management, in particular to an abnormal person recognition alarm method based on an intelligent building, which comprises the following steps: acquiring image information acquired by monitoring equipment in the building and user identity information sensed by access control equipment in real time, and setting a cloud database, the image information and the user identity information are distinguished and stored by using a cloud database; according to the invention, through linkage of the monitoring device and the access control device which are deployed in the building, people who enter the intelligent building with unconventional identity verification are continuously monitored, and according to monitoring of the moving path of the people entering the intelligent building, tracking operation is carried out according to a specified tracking target in the image information. Security threats to the smart building are analyzed, and further based on a security threat analysis result, namely monitoring of a moving path, security resources of the smart building are provided to schedule triggering conditions and logic, so that daily operation and use of the smart building are safer.

The invention discloses an SRV6 path confusion method based on pseudo-random curvature diffusion, which comprises the following steps of: monitoring a network state and path topology change in real time, adjusting a path selection strategy, and utilizing a dynamically updated path topology and a pseudo-random curvature diffusion algorithm to enable a data transmission path to have unpredictability in an execution process; by combining the bandwidth, delay, load and other parameters of links, calculating the concealment index of each link and preferentially selecting a path with high concealment for data transmission, potential security threats are avoided, and in cross-domain data transmission, the method further combines cross-domain characteristics and optimizes a path topological structure, so that the data transmission efficiency is improved. The path is difficult to identify; and the deep flow analysis attack is resisted. According to the invention, by dynamically adjusting the connection relation and the topological structure of the path, the security, stability and unpredictability of the network path are realized, and the privacy and security of data transmission are guaranteed.

The present invention discloses a method and system for intelligent analysis and management of security monitoring storage information, which relates to the technical field of intelligent analysis and management of security monitoring storage information, and includes the following steps: reasonably arranging monitoring cameras to ensure full coverage of key areas that require security monitoring, real-time acquisition of images and video data transmitted by monitoring cameras, and pre-processing and storing the acquired images. The present invention monitors the abnormal behavior analysis process in each time window in real time, and the system can perceive abnormal hidden dangers in the analysis process. By setting reference thresholds for the length of the queue to be processed or the image motion blur for comparison and analysis, the system can intelligently determine whether there are abnormal hidden dangers, and then perform corresponding processing. For the abnormalities found, the system adopts an intelligent repair strategy, which improves the real-time nature of abnormal behavior analysis and reduces potential security threats.

The utility model provides a speed reducer gear surface polishing device which relates to the technical field of speed reducer machining and comprises a machining table, the bottom end of the machining table is fixedly connected with an installation frame, the middle of the bottom end of the machining table is fixedly connected with a fixing column, the outer side of the fixing column is slidably connected with a sliding sleeve, and the left side and the right side of the sliding sleeve are both rotatably connected with connecting rods. The other ends of the connecting rods are rotatably connected with fixing rods, the other ends of the fixing rods are fixedly connected with L-shaped rods, hydraulic cylinders are rotatably installed at one ends of the L-shaped rods on the left side and the right side, the other ends of the L-shaped rods are rotatably connected with push-pull rods, and the other ends of the push-pull rods are rotatably connected with connecting blocks. According to the gear grinding device, the stability of a gear in the grinding process is improved, displacement is reduced, the grinding quality is improved, the phenomenon that the gear is damaged due to displacement is reduced, safety threats to operators are reduced, and danger is reduced.

This application provides a TSN system for nuclear power environments. The TSN system includes a TSN switch, on which an environmental monitoring module, a security authentication module, and a scheduling module are deployed. The environmental monitoring module is configured to: monitor the radiation level of the communication environment and send the radiation level data to the security authentication module and the scheduling module; the security authentication module is configured to: perform a security check on the received information; if the security check passes, obtain the security level of the information based on the security level of the terminal device sending the information; select a corresponding encryption algorithm to decrypt the information based on the radiation level to obtain the encapsulated service instructions; the scheduling module is configured to: perform deep packet inspection on the service instructions to obtain the service type matching the service instructions; allocate the service priority of the information corresponding to the service instructions based on the timeliness level of the service type; and map the information to the output queue based on the radiation level, the service priority of the information, and the security level.

The application discloses a tunnel surface subsidence based step-by-step construction device and construction method. The application belongs to the technical field of tunnel construction. The device comprises a plurality of top support molds, a plurality of insertion point type insertion units are arranged between two adjacent top support molds, each top support mold and each insertion point type insertion unit are installed on an assembly beam, a driving type transmission mechanism for driving the top support mold to move along the length direction of the assembly beam is installed on the assembly beam, and a plurality of vertical hydraulic cylinders are installed on the lower end of the assembly beam along the length direction of the assembly beam. The method is to apply the above device to step-by-step reinforcement of the tunnel. The core design of active support, multi-point reinforcement and step-by-step advancement is adopted in the application, so that the whole process of surface subsidence in tunnel construction is realized, and fine control is achieved. The application has stability, high efficiency, safety and economy, and is especially suitable for tunnel construction under complex geological conditions such as karst, and can effectively guarantee the engineering quality and the safety of the surrounding environment.

The utility model provides a photovoltaic module cutting mechanism which is used for trimming a laminated piece and comprises a driving assembly, a hob assembly and a cutter assembly, the hob assembly and the cutter assembly are arranged on the driving assembly, and the hob assembly and the cutter assembly are sequentially arranged front and back in the driving direction of the driving assembly. The hobbing cutter assembly comprises a support and two hobbing cutters elastically arranged on the support, the two hobbing cutters are arranged front and back, each hobbing cutter comprises an installation shaft, a rolling wheel and a cutter set arranged on the rolling wheel, the axial directions of the two rolling wheels are parallel to each other, and the hobbing cutter located on the front side protrudes out of the hobbing cutter located on the rear side in the left-right direction. Through the arrangement, the trimming quality is improved, the subsequent cleaning work is reduced, the labor cost and the safety risk are reduced, and the automation level and the efficiency of photovoltaic module production are greatly improved.

The utility model relates to a water vapor separation device and drinking water equipment applying the same, the water vapor separation device comprises a hollow shell, a water vapor separation device, a water vapor separation device and a water vapor separation device, the shell is provided with a hot water inlet and a vapor exhaust port; the condensation assembly comprises a condensation piece used for condensing water vapor exhausted from the vapor exhaust port, an inlet of the condensation piece is in fluid communication with the vapor exhaust port, and an outlet of the condensation piece is in fluid communication with the interior of the shell. The device has the advantages that the inlet of the condensation part is in fluid communication with the steam exhaust port, and the outlet of the condensation part is in fluid communication with the interior of the shell, so that water vapor exhausted from the steam exhaust port can be condensed through the condensation part, the situation that a user is scalded due to the fact that the water vapor is exhausted outwards is avoided, safety threats to the user are reduced, and user experience is enhanced; in addition, liquefied water obtained after condensation of the condensation part flows back into the shell and is reused, energy is saved, the water utilization rate is increased, and waste of water resources is avoided.

The utility model provides a front floor force transmission structure and a vehicle, and belongs to the technical field of vehicles, a middle channel is connected with a cabin longitudinal beam through a front floor middle channel reinforcing plate connected to the front end of the middle channel, and the rear end of the middle channel is connected to a front row seat mounting cross beam to form a middle force transmission channel; the front end of the front floor middle channel connecting plate is connected to the rear end of the cabin longitudinal beam, and the rear end is connected to the front-row seat mounting cross beam to form a first force transmission channel; the front end of the front floor upper longitudinal beam is connected to the rear end of the cabin longitudinal beam, and the rear end of the front floor upper longitudinal beam is connected to the front row seat installation cross beam to form a second force transmission channel. The front end of the doorsill beam is connected with the cabin longitudinal beam through a torsion box to form a third force transmission channel; and the front floor middle channel reinforcing plate, the torsion box, the doorsill beam, the middle channel, the front floor middle channel connecting plate, the front floor upper longitudinal beam and the front row seat mounting cross beam are encircled to form a multi-ring sleeved closed-loop torsion-resistant framework. The torsion resistance, the crumple deformation resistance and the collision force transmission performance of the whole vehicle can be improved.

The utility model discloses an aluminum alloy outdoor folding table with a reinforcing structure, which belongs to the technical field of folding tables and comprises a table body I and a table body II, half gears are fixedly mounted on sides, close to each other, of the table body I and the table body II, the two groups of half gears are meshed with each other, two groups of connecting rods are hinged between the two groups of half gears, and the two groups of connecting rods are meshed with each other. The two sets of connecting rods are located on the two sides of the two sets of half gears respectively, and positioning blocks are fixedly installed at the bottoms of the first table body and the second table body, so that folding of the supporting legs is facilitated, the size of the folding table is greatly reduced, a user can conveniently store and arrange the folding table, the space utilization rate is increased, the folding table is convenient to carry for travel, and the portability of the folding table is enhanced. According to the folding table, the stability of the folding table in the non-use state is guaranteed, the table can be rapidly converted from the use state to the folding state convenient to carry and store, and the fixing mode can effectively prevent the table body from being accidentally unfolded due to external force factors such as bumping and collision in the carrying or storing process.

The utility model belongs to the technical field of glass fiber reinforced plastic test equipment, and discloses compression test equipment for glass fiber reinforced plastic production, which comprises a support part, a support plate for supporting glass fiber reinforced plastic and an extrusion part for extruding the glass fiber reinforced plastic are mounted on the support part, the extrusion part is positioned above the support plate, and the top of the support plate is fixedly connected with a blocking cover. The top of the blocking cover is open to form a containing cavity for containing the glass fiber reinforced plastic, the extrusion part comprises a hydraulic cylinder, the telescopic end of the hydraulic cylinder is connected with a moving rod, and the circumferential face of the moving rod is fixedly connected with a baffle, so that after a person places the glass fiber reinforced plastic needing to be tested in the blocking cover, the hydraulic cylinder drives the moving rod to move, and the moving rod extrudes glass fiber reinforced plastic fragments in the blocking cover; when glass fiber reinforced plastics are broken, the upper portion of the blocking cover is blocked through the baffle, and therefore the glass fiber reinforced plastics are retained in the containing cavity in the blocking cover and prevented from splashing all around, the safety threat to an operator is reduced, and the safety guarantee of the operator is improved.

The application discloses a kind of automatic water removal systems of propellant, including workbench and cartridge, the workbench is provided with for realizing vacuum pumping extraction component, for realizing the closed cartridge of cartridge and for realizing the transfer component of cartridge movement to extraction component, the extraction component is set on moving assembly, the cartridge is located above extraction component;The cartridge is set as the tubular structure of upper and lower through, and cartridge bottom support is equipped below cartridge for preventing propellant leakage.The water-containing propellant is loaded into cartridge, and the cartridge is moved to the extraction component by the action of transfer component, then the vacuum environment in cartridge is realized under the action of pressing assembly, and finally the water in cartridge is pumped out by the work of extraction component, so as to realize the full-automatic water removal of propellant, reduce the security threat received by worker.

The utility model provides a floating type normal-pressure hydrogen storage photovoltaic power generation system, and the system comprises a normal-pressure hydrogen bag which is disposed on an idle water surface below or beside a photovoltaic cell panel. The hydrogen production machine is communicated with the normal-pressure hydrogen bag and the hydrogen fuel power generation device through a hydrogen pipeline, and photovoltaic electric energy is gathered and concentrated through a photovoltaic wire, so that the electric energy is converted into hydrogen for normal-pressure storage. According to the invention, the continuity and stability of power supply can be ensured, and a new low-cost technical path can be provided for replacing thermal power by photovoltaic power generation.