12results about How to "Ensure environmental adaptability" patented technology

The invention discloses an environment-friendly macromolecular modifier PVC (polyvinyl chloride) composition, and belongs to the technical field of polyvinyl chloride materials. The composition comprises the following components in parts by weight: 100 parts of PVC, 1-50 parts of a polycarbonate toughening modifier and 0-30 parts of an auxiliary agent. The polycarbonate toughening modifier with a certain polymerization degree is used as the modifier of the PVC material, the plasticity, toughness, impact resistance and other properties of PVC can be obviously improved, the polycarbonate toughening modifier is a macromolecular polymer and cannot be separated out in the use process, the safety of the PVC material is improved, and the service life of the PVC material is prolonged.

This invention belongs to the field of heavy metal pollution remediation technology, and relates to the preparation and application of a cadmium passivating agent for weakly alkaline soil. The weakly alkaline soil cadmium passivating agent mainly comprises the following components by weight: 30-50 parts of a mineral complex, 40-60 parts of a bioactive component, and 5-15 parts of an auxiliary stabilizer. The mineral complex includes natural sepiolite, calcium-based bentonite, and a polyether-polyester diblock copolymer; the bioactive component includes microbial agents, phosphorus-modified biochar, lecithin, and phosphatidylserine; and the auxiliary stabilizer includes nano-hydroxyapatite and a chitosan-grafted polyaspartic acid complex. This weakly alkaline soil cadmium passivating agent exhibits excellent remediation effects on cadmium in contaminated soil, effectively preventing or reducing the entry of cadmium and other heavy metals into the food chain, and has significant market potential.

The invention relates to the technical field of electromagnetic protection, in particular to an electromagnetic protection device for circuit equipment, which is miniaturized in appearance, simple and reliable in structure, high in environmental adaptability, high in anti-interference capability and comprehensive in protection point subdivision, and integrates line protection, fault indication and electric appliance switch related to integrated aviation special protection devices and push-pull type spring interaction. The working state is clear at a glance, the electrical part and the mechanical part are physically positioned on the front layer and the rear layer in the circuit breaker shell, are separated by a partition plate in the middle and do not interfere with each other, the two chambers are respectively provided with an independent contact structure and are equivalent to series connection in a circuit, short circuit of the circuit can be ensured when any contact is disconnected, and the contact closing action is high in reliability; the circuit breaker has a temperature compensation function, the operating environment temperature can reach-55 DEG C to + 125 DEG C, the circuit breaker has an external force interference resisting function, a button of the circuit breaker is matched with an internal unlocking mechanism through a guide groove, and the functions of internal disconnection and manual disconnection can be achieved.

This patent discloses an easily adjustable assembled CPC collector device, including a CPC support ring, a fixed connecting rod, an adjustable supporting rod, a CPC reflector, a heat collecting tube, a heat collecting tube fixing rope, and a reflector fixing device; the CPC reflector slides and is fixed on the CPC support ring through the reflector fixing device, one end of the heat collecting tube fixing rope is fixedly connected to the end of the heat collecting tube, and the other end is fixedly connected to the reflector fixing device, the CPC support rings are connected by a fixed connecting rod, and the two ends of the fixed connecting rod located below the CPC support ring are respectively connected to the adjustable supporting rod, and the adjustable supporting rod is supported on the ground. The bracket used in the CPC collector device is suitable for fixing different types of CPC collectors, and is convenient for stepless and continuous adjustment of the position, height, collector orientation, CPC direction and shape of the CPC collector, so as to ensure the high solar energy utilization rate and environmental adaptability of the CPC collector. At the same time, the structure is simple, easy to assemble and disassemble, reusable, low cost, beautiful style, and has good promotion potential.

The invention relates to a ground surveillance radar based on an AOB phased array system, and belongs to the technical field of phased arrays. According to the system, by adopting a highly integrated microwave monolithic integrated circuit (MMIC) technology and an advanced phased array technology, the design targets of small size, light weight and low power consumption are achieved, and the environmental adaptability, reliability and anti-interference capability of the radar are remarkably improved. The system innovatively integrates broadband signal processing, digital beam forming and target tracking algorithms, can realize high-precision and real-time detection and monitoring of ground moving targets under complex meteorological conditions, is suitable for various security scenes such as boundary protection, key infrastructure protection and emergency response, and has wide application prospects. And the security and protection monitoring efficiency and security are greatly improved.

This invention discloses a path planning method based on the soft fusion of virtual chemical fields and reinforcement learning, belonging to the field of robot navigation and artificial intelligence technology. The method includes the following steps: constructing a confined space containing obstacles, setting the initial and target positions of the moving subject; constructing a virtual chemical field that attracts the target and repels the obstacle, calculating the field strength characteristics and evolution trend, and scheduling forward movement, fine-tuning, and large-scale turning to generate guiding actions; constructing a reinforcement learning policy model to generate policy actions; introducing an exponential decay soft fusion mechanism to select either a guiding action or a policy action as the final action with decreasing probability; driving the subject to move to a new position, obtaining a reward according to a reward function, and storing the interaction samples in an experience pool; updating the policy model after the samples reach a threshold, repeating until convergence; and generating a collision-free path from the initial position to the target when obstacles change. This invention achieves efficient adaptive collision-free path planning through the soft fusion of biomimetic guidance and reinforcement learning.

This application relates to the field of battery technology, and more particularly to a battery pack. The battery pack includes a housing, a cover, a heat spreader, a cooling component, and multiple battery cells. The housing has mounting slots; the cover is located at the opening of the mounting slot; each battery cell is spaced apart in the mounting slot, and each cell has a shoulder at the end furthest from the bottom of the slot; the heat spreader connects to each shoulder; the cooling component is located on the side of the heat spreader facing away from the shoulder, and a cooling channel is formed inside the cooling component, through which a cooling medium flows to achieve heat exchange with the heat spreader. This battery pack, by incorporating a combined heat dissipation structure of a heat spreader and a cooling component at the shoulder, firstly achieves targeted heat dissipation in this core heat-generating area, reducing heat accumulation at the shoulder from the source, avoiding the generation of thermal island effects, effectively improving the overall thermal management performance of the battery pack, slowing down cell aging, and extending the battery pack's service life.

The invention provides a steel wire seal with a light indication function. The steel wire seal comprises a top cover; the bottom shell is hermetically connected with the top cover to form a cavity; the circuit board is arranged in the cavity, and a main control chip, and an RFID radio frequency circuit, a touch sensing circuit, an indicator lamp driving circuit and a steel wire detection circuit which are electrically connected with the main control chip are integrated on the circuit board; the lock heads are arranged in the bottom shell, one ends of the two lock heads are electrically connected with the steel wire detection circuit through wires, and the other ends of the two lock heads are used for being connected with a locking steel wire to form a conductive loop; the top cover is provided with a light-transmitting area and a touch sensing area, the circuit board is further provided with an indicating lamp electrically connected with the indicating lamp driving circuit and a touch key electrically connected with the touch sensing circuit, the indicating lamp corresponds to the light-transmitting area in position, and the touch key corresponds to the touch sensing area in position. The method has the beneficial effects that the operation convenience, the environmental adaptability and the safety in the logistics and asset management process can be effectively improved.

The invention relates to a floating rice planting mode of a buoy structure, which comprises a plurality of buoys, keel frames are mounted on the buoys, and steel meshes are laid on the keel frames and used for bearing planting cups for planting rice. The planting cup comprises a square planting cup or a round planting cup, and a plastic bag is sleeved in the planting cup; the size of the keel frame is matched with the size of the buoy and the size of the steel mesh. A supporting structure is arranged below the steel mesh and comprises a plurality of square steel pipes which are arranged at intervals of 1m; and the planting cups are distributed on the steel mesh in a rectangular array at intervals. According to the floating rice planting mode of the buoy structure, by adopting the specifically designed buoy and steel mesh structure and combining with the optimized planting cup design, the cost is remarkably reduced, the planting efficiency and the crop yield are improved, and meanwhile the long-term stability and environmental adaptability of a planting platform are guaranteed.

The invention relates to the technical field of communication antennas, in particular to a four-arm helix-based internally and externally nested satellite communication antenna implementation method, which comprises a transmitting antenna, a receiving antenna, a tetrafluoroethylene hollow tube and a PCB (Printed Circuit Board) feed panel, the transmitting antenna comprises four transmitting signal arms, the receiving antenna comprises four receiving signal arms, and the rotating directions of the transmitting antenna and the receiving antenna are opposite; the transmitting antenna and the receiving antenna are arranged in an inner layer and an outer layer according to concentric circles, the transmitting antenna is arranged on an outer ring, and the receiving antenna is arranged on an inner ring. A four-arm spiral structure with opposite rotation directions is adopted, and a transmitting antenna and a receiving antenna are nested and integrated inside and outside in a concentric circle mode, so that integration and structure compactness of the transmitting antenna and the receiving antenna are realized, and a core foundation is laid for miniaturization of whole equipment; meanwhile, the structure can naturally form the radiation characteristics of transmitting left-hand circular polarization and receiving right-hand circular polarization, and the basic requirement of satellite communication for polarization matching is met.

The application provides a DAS signal denoising method, device, medium and product, relates to the technical field of signal processing, and the method comprises the following steps: when a target vibration signal meets an abnormal feature, denoising strategies are executed in turn according to priorities. The execution process comprises the following steps: reference noise data is used to denoise the signal, the denoised signal is input into a neural network classifier, and the maximum classification probability value output by the neural network classifier is used as a denoising score. If the denoising score obtained by a certain strategy exceeds a preset threshold value, subsequent strategies are immediately stopped, and the denoised signal and the classification result corresponding to the strategy are output as the final result. If all the strategies are executed and none of the denoising scores exceeds the threshold value, the signal and the classification result corresponding to the strategy with the highest denoising score are selected as the final result. The scheme solves the technical problem that the denoising effect of a monitoring signal is poor when a spatial reference noise denoising scheme is used for a DAS system that encounters large-scale and continuous environmental noise interference.

This patent discloses a two-stage CPC collector with a spiral vacuum tube, including a spiral CPC vacuum heat collection tube, an outer CPC reflector, and an adjustable support frame; the spiral CPC vacuum heat collection tube is in the groove of the outer CPC reflector, and the two ends of the spiral CPC vacuum heat collection tube and the outer CPC reflector are connected to the adjustable support frame and supported by the adjustable support frame, and the relative positions among the CPC vacuum heat collection tube, the outer CPC reflector, and the adjustable support frame can be changed by adjusting the adjustable support frame. The CPC collector device adopts the design of outer CPC focusing + inner 360-degree CPC focusing, with high heat collection temperature and heat collection efficiency, and good adjustable performance, which is convenient for stepless adjustment of the position, height, CPC direction and shape of the CPC heat collection tube and the reflector, ensuring the high solar energy utilization rate and environmental adaptability of the CPC collector, and at the same time, the structure is simple, easy to assemble and disassemble, reusable, low cost, beautiful style, and has good promotion potential.