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1704 results about "External energy" patented technology

Charging to and from a vehicle battery system via a multi-port charging system

A charging system of a vehicle includes a first charge port selectively connectable to a battery system of the vehicle, the first charge port configured to receive electrical power from a power source to charge the battery system, and a second charge port selectively connectable to the battery system of the vehicle, the second charge port connected to a bi-directional charger. The charging system also includes a controller configured to connect the battery system to the first charge port and control a first charging operation to charge the battery system, connect the battery system to the second charge port, and control a second charging operation to supply electrical power to charge an external energy storage system.
Owner:GM GLOBAL TECHNOLOGY OPERATIONS LLC

Low-carbon economic integrated energy system energy planning method based on multi-agent deep reinforcement learning

The invention discloses an energy planning method for a low-carbon economic comprehensive energy system based on multi-agent deep reinforcement learning. The method comprises the following steps: constructing a comprehensive energy system structure including multiple energy forms such as wind power, photovoltaic, electricity-to-gas, combined heat and power generation, energy storage and the like; establishing a carbon emission intensity model of each subsystem based on an energy input and output relationship, and constructing a segmented carbon tax function to quantify the carbon cost; a double-layer two-stage Nash optimization model is designed, and the game relationship between collaboration between subsystems and external energy interaction is considered; the optimization problem is converted into a Markov decision process, and a state, an action and a reward function are defined; a multi-agent TD3 algorithm model is constructed and trained, and strategy stability and robustness are improved through a differential evolution mechanism; and deploying the trained strategy model in an actual system to realize self-adaptive energy planning and scheduling for the carbon economic target. The method has the characteristics of high adaptability, high carbon benefit and excellent intelligent cooperation capability.
Owner:HARBIN INST OF TECH

Novel modularized whole-body carrying system

The invention discloses a novel modularized whole-body carrying system which comprises a trunk module and a lower limb module, the trunk module is used for supporting a trunk and comprises a plurality of rigid elements and elastic elements which are connected with one another, and the lower limb module is connected with the trunk module and comprises a plurality of rigid elements which are connected with one another and elastic elements with trend directions. The lower limbs are supported. According to the novel modularized whole-body carrying system, adaptive design is carried out on the multiple modules according to all characteristics in human body movement, modularized design is adopted, and rapid disassembly, installation and replacement can be achieved; the combination and matching can be realized as required to realize force transmission and load reduction, and the upper body can adapt to different movement actions, so that different tasks can be completed by combining and matching different accessories according to different carrying requirements, the structure is simple, external energy and control are not needed, and the device can adapt to complex and severe environments. And the energy storage structure is used for assisting the whole machine structure in force transmission and component, so that the assisting effect and stability are improved.
Owner:杭州智元研究院有限公司

Impedance scanning device based on grid-side voltage dynamic compensation under three-phase voltage unbalance working condition

The invention provides an impedance scanning device based on network side voltage dynamic compensation under a three-phase voltage imbalance working condition, and relates to the technical field of new energy station power electronic converter topology and control, the device comprises a three-phase rectifier, a direct current bus capacitor, an inverter, a voltage compensation device, a frequency sweeping device, a circuit breaker and a series transformer part, the three-phase rectifier is connected in series with inverters of the voltage compensation device and the frequency sweep device, a secondary side of a series transformer of the voltage compensation device is connected in series with a network side, a secondary side of a series transformer of the frequency sweep device is connected in series with a grid-connected point, and a primary side of the series transformer is connected to the inverters and is coupled to a secondary side of the series transformer; according to the device, the power grid side voltage is rectified through the voltage compensation unit and is compensated to the grid side after being subjected to single-stage inversion transformation, voltage compensation is achieved through the energy of a power grid when the voltage is unbalanced, and an external energy source or an interference source does not need to be introduced. After compensation, the accuracy of the frequency sweeping result is obviously improved.
Owner:YUNNAN ELECTRIC POWER TESTING & RES INST (GRP) CO LTD

Comprehensive energy low-carbon optimization scheduling method and system based on master-slave game

The invention discloses a comprehensive energy low-carbon optimization scheduling method and system based on a master-slave game. The method comprises the following steps: constructing a hydrogen-containing comprehensive energy system model, and inputting data of an external energy supply side, energy conversion and energy storage equipment and a load side to obtain initialized system operation parameters; building a user side model based on the model, generating an initial electricity / heat load demand, calculating a user alternative energy consumption rate and dynamically adjusting an electricity / heat energy conversion ratio in combination with a price difference of real-time electricity and heat prices and user energy consumption behavior characteristics, and forming a new electricity / heat load distribution scheme; the integrated energy operator generates an electricity / heat price signal and formulates a dual excitation strategy, the user aggregator adjusts the user energy load and response strategy according to the signal and the strategy and feeds back the strategy to the integrated energy operator, and the user aggregator and the integrated energy operator adjust bidirectional feedback iteration to solve Stackelberg balance through the electricity / heat price signal and the load to obtain an optimal scheduling scheme. According to the invention, economic low-carbon operation and benefit win-win between subjects can be realized.
Owner:HOHAI UNIV

A high-efficiency underground heat exchanger for medium-deep geothermal wells

The present invention relates to the technical field of geothermal systems, and specifically discloses a buried high-efficiency heat exchanger in a medium-deep geothermal well, comprising: an outer sleeve, an inner sleeve coaxially embedded in the outer sleeve, and a heat storage slow-flow unit located at the lower end of the inner sleeve; the heat storage slow-flow unit effectively separates a heat exchange flow channel and a return flow channel through a flow partition to prevent direct mixing of cold and hot fluids and avoid thermal short circuits; the spiral diverter and the slow-flow unit are used for dynamic adjustment to extend the fluid's underground residence time, enhance turbulence intensity, and improve heat exchange efficiency; the kinetic energy of the fluid is used to drive turbine blades and a rotating shaft to drive the diverter and reciprocating parts to move, and dynamic adjustment of the fluid path can be achieved without external energy; the slow-flow structure and the flexible capsule reduce the impact of the fluid on the formation and reduce reservoir disturbance; the closed-loop design avoids the extraction of groundwater and prevents pollution, and the inner sleeve insulation cavity blocks radial heat transfer and reduces heat loss in the return flow channel.
Owner:SHANDONG QIANSHUI ENERGY SAVING TECH CO LTD

Modular systems for electric wheel assemblies

A modular electric wheel assembly. The assembly including a motor with a rotor in a rotary union with a stator. The motor of the brushless DC type and including a circular rotor rotating about a central axis and including a central hollow axle. The hollow axle configured for coupling with a removable energy source and / or an external energy source and including attachment structures for a plurality of attachments to enable riding by a user or configuration within a parent vehicle such as a bicycle or moped, or use as another machine type, such as a power tool or power generation machine. The rotor configured with a quick-change mechanism through a first ring configured to accept a plurality of removable wheel types and rotatable attachments, enabling a user to select a variety of unique wheel / tire types and configurations for a variety of applications.
Owner:BEAL-BROWN ETHAN CHRISTOPHER

Adjustable intraocular lenses and methods of post-operatively adjusting intraocular lenses

Disclosed are adjustable accommodating intraocular lenses and methods of adjusting accommodating intraocular lenses post-operatively. In one embodiment, an adjustable accommodating intraocular lens comprises an optic portion and a peripheral portion. At least one of the optic portion and the peripheral portion can be made in part of a composite material comprising an energy absorbing constituent and a plurality of expandable components. At least one of a base power and a cylindricity of the optic portion can be configured to change in response to an external energy directed at the composite material.
Owner:ALCON INC

Portable tool for mobile use

A portable tool for mobile use includes a housing, an electric motor located in the housing, an insert shaft on the tool, and a battery. The battery or a terminal for connecting to an external energy source is located in the insert shaft. A mechanically or hydraulically driven movable piston rod is for performing spreading, cutting, lifting, and / or pressing. An electronic device controls and / or regulates the electric motor and includes a printed circuit board with a potting compound on which electronic components are arranged. An electrically conductive on the insert shaft allows a releasable electric contact between the battery and the electronic device of the tool by inserting the battery into the insert shaft. The contact is divided into a first and second surface regions. The first surface region is covered with a nonconductive protective layer, and the second surface region is free of the protective layer.
Owner:LUKAS HYDRAULIK

Adjustable intraocular lenses and methods of post-operatively adjusting intraocular lenses

Disclosed are adjustable accommodating intraocular lenses and methods of adjusting accommodating intraocular lenses post-operatively. In one embodiment, an adjustable accommodating intraocular lens comprises an optic portion and a peripheral portion. At least one of the optic portion and the peripheral portion can be made in part of a composite material comprising an energy absorbing constituent and a plurality of expandable components. At least one of a base power and a cylindricity of the optic portion can be configured to change in response to an external energy directed at the composite material.
Owner:ALCON INC

Portable martial art action correcting device

The invention discloses a portable martial arts action correcting device, and relates to the field of sports equipment, the portable martial arts action correcting device comprises a first binding piece and a second binding piece, the first binding piece and the second binding piece are respectively fixed on the arm and the forearm of a user, the portable martial arts action correcting device further comprises a pull rope, a fixing shell, a winding piece, a limiting assembly and a transmission mechanism, the winding piece is rotationally installed in the fixing shell, and a coil spring is arranged between the winding piece and the fixing shell. According to the portable martial arts motion correcting device, the device is fixed to the arm and the forearm of a user through the first binding piece and the second binding piece, the pull rope and the winding mechanism are integrated in the fixing shell, real-time motion monitoring without external energy dependence is achieved, the transmission mechanism drives the first limiting piece to make contact with the second limiting piece, and motion correcting is achieved. And when the elbow joint is close to a set threshold value, the friction resistance is increased, clear tactile feedback is provided, impact caused by rigid braking is avoided, and a soft constraint protection mechanism is formed.
Owner:李翔

Diamagnetically stabilized magnetically levitated gravimeter and method

The disclosure provides a diamagnetically stabilized magnetically levitated gravimeter and related method that allows measurements of relative gravity in a simple, low power consumption device based on a magnetic levitation principle using permanent magnets instead of using a mechanical spring. The gravimeter uses magnetic forces to balance a float magnet against the force of gravity, allowing for accurate measurements. The gravimeter includes a float magnet that floats between two diamagnetic materials, such as diamagnetic plates, without a need for external energy input due to the interaction between the magnetic forces of the float magnet lifted by the lift magnet but stabilized between upper and lower diamagnetic materials. The gravimeter is less sensitive to drift in response to stresses than a mechanical spring, have a lower temperature sensitivity, and lower energy and power requirements to take similarly reliable gravity measurements, which in turn simplify deployment and prolong operational lifetime.
Owner:BAYLOR UNIVERSITY

Carbon emission trajectory evaluation and optimization method and system based on ARIMA and GA-BP

The invention belongs to the technical field of carbon emission trajectory evaluation and optimization, and discloses a carbon emission trajectory evaluation and optimization method and system based on ARIMA and GA-BP. The two evaluation models are an energy internet carbon emission trajectory evaluation model based on an extended incidence matrix and a whole-process carbon emission trajectory evaluation model based on a comprehensive energy system in the high-carbon emission industry. And an energy internet node carbon emission intensity prediction model based on ARIMA and GA-BP is provided, the model reveals influence factors of node carbon emission intensity, and the carbon emission intensity is accurately predicted. By taking minimization of the whole-process carbon emission trajectory of the high-carbon emission industry as an optimization target and combining the energy consumption characteristics of the flexible load of the high-carbon emission industry, a high-carbon emission industry comprehensive energy system optimization model based on low-carbon demand response is proposed, and response can be made according to the operation state of an external energy internet; and the carbon emission track is minimized by using the flexibility brought by multi-energy complementation, so that deep emission reduction is realized.
Owner:云南省标准化研究院

Flexible self-powered sensor, sign language translation device and sign language translation method

The invention discloses a flexible self-powered sensor, sign language translation equipment and a sign language translation method. The flexible self-powered sensor comprises an upper power generation layer, a lower power generation layer, a supporting block and a wire. The flexible upper power generation layer and the flexible lower power generation layer are attached to the hand of a user as much as possible, the discomfort during wearing is reduced, and the wearing experience is improved; the first flexible friction layer and the second flexible friction layer are used for generating power through friction, so that dependence on external energy is reduced, and the equipment complexity is reduced; when the flexible self-energized sensor is extruded, the distance between the first flexible friction layer and the second flexible friction layer changes, charge distribution in the corresponding electrodes of the first flexible friction layer and the second flexible friction layer is changed based on the electrostatic induction principle, and quantitative analysis can be conducted on changes of hand actions of a user. In addition, the sensor has the characteristics of low cost and simple production process. The invention relates to the technical field of sign language translation.
Owner:SOUTH CHINA UNIV OF TECH

Humidity adjusting material and preparation method thereof

The invention belongs to the technical field of humidity control, and particularly relates to a humidity adjusting material and a preparation method thereof. According to the invention, water provides a dispersion and moisture absorption basic environment for other components, the moisture absorbent and the binder are dissolved in water and then interact with each other to form a system with certain viscosity and moisture absorption capability, and the strong moisture absorption characteristic of the moisture absorbent is combined with the auxiliary moisture absorption and binding effects of the binder, so that the moisture absorption capability of the adjusting material is enhanced. The high water absorption of the water-absorbent resin is cooperated with a system formed by the moisture absorbent and the binder, so that the moisture absorption capacity of the adjusting material is greatly improved, and a formed gel structure is beneficial to stabilizing moisture and realizing the long-term effect of humidity adjustment. The humidity adjusting material provided by the invention can automatically perform moisture absorption or moisture release operation according to the environment humidity without external energy supply, effectively adjusts the environment humidity, and has the advantages of large moisture absorption capacity and high moisture absorption speed.
Owner:NINGBO YONGHENG YAOYAO INTELLIGENT TECH CO LTD

Intelligent monitoring method and system for plastic bag production process

The invention relates to the technical field of intelligent monitoring, in particular to an intelligent monitoring method and system for a plastic bag production process, and the method comprises the following steps: collecting original equipment operation data and production instruction information based on a production line speed sensor and operation state monitoring, generating a preliminary equipment data stream, and storing the preliminary equipment data stream in a database; and applying an energy consumption algorithm to the preliminary equipment data stream, calculating energy consumption of a production unit, and integrating external energy price data to generate an optimized energy use strategy. According to the invention, by adjusting the energy use strategy and optimizing the production process, the production efficiency and resource utilization are obviously improved, the dynamic adjustment of the production speed and the machine load is realized, the energy market change is matched, the energy distribution is more accurate and efficient, and the bottleneck and equipment abnormality in the production process are identified and solved by continuous monitoring and real-time optimization, so that the production efficiency is improved. Equipment operation efficiency and production line performance are greatly improved, and long-term efficiency improvement and cost saving are achieved.
Owner:NANTONG YONGLIAN PACKAGING MATERIALS CO LTD

Luminescent material composition, ink, luminescent device, display panel and display device

The invention discloses a luminescent material composition, ink, a luminescent device, a display panel and a display device. The luminescent material composition comprises a first host material and a second host material, and the second host material is configured to be capable of forming an exciplex under the action of external energy. The luminescent material composition provided by the invention can meet the requirements of products with high comprehensive performance.
Owner:GUANGDONG JUHUA PRINTING DISPLAY TECH CO LTD

Multi-stage coupling chemical looping hydrogen production device and method

The invention provides a multistage coupling chemical looping hydrogen production device. The multistage coupling chemical looping hydrogen production device comprises a first-section reducer, a water vapor oxidation hydrogen production device, a second-section reducer, a methane converter and an air oxidizer, identical first oxygen carriers are arranged in the first-section reducer and the water vapor oxidation hydrogen production device, and identical second oxygen carriers are arranged in the second-section reducer, the methane converter and the air oxidizer; the methane converter is connected with the first-section reducer and is used for conveying synthesis gas after methane conversion to the first-section reducer; the second-section reducer is connected with the methane converter and is used for refluxing carbon dioxide or water vapor or both to the methane converter; the first-section reducer is connected with the second-section reducer and is used for conveying reduction tail gas containing carbon monoxide or hydrogen or the carbon monoxide and the hydrogen to the second-section reducer. Therefore, the invention provides the multistage coupling chemical looping hydrogen production device and method which can realize energy self-sustaining and do not need external energy input.
Owner:HYLOOP TECH (BEIJING) CO LTD

Deoxidizing agent for metal smelting and preparation process thereof

The invention discloses a deoxidizer for metal smelting and a preparation process thereof, and belongs to the technical field of steel for high-strength fasteners, and the deoxidizer comprises aluminum powder, silicon powder, titanium powder, zirconium powder and carbon-coated lanthanum nano powder in a mass ratio of (45-50): (20-25): (15-20): (8-12): (0.2-0.4). In a sol crystallization stage, lanthanum nitrate and a composite ligand form a directionally growing metal organic framework under the assistance of an external field, and a regular pore structure of the metal organic framework provides a nano-scale template for subsequent carbon coating, so that the decomposed organic ligand is gradually carbonized in a segmented heating process and forms a gradient structure; the low-temperature section promotes the carbon layer to be converted from an amorphous state to an ordered state so as to enhance the electron conduction capability, and the high-temperature section forms a through mesoporous network through external energy etching, so that excessive agglomeration of lanthanum nanoparticles is limited, and a controllable release channel is constructed. The preheating and pre-pressurizing process provides support for the nanostructure on the macroscopic scale, and the aluminum powder is softened through low-temperature plastic deformation to fill gaps of the titanium-zirconium powder, so that a compact initial blank structure is formed.
Owner:上海一郎合金材料有限公司

Fullerene / metal organic framework loaded with acetylcholin esterase as well as preparation method and application of fullerene / metal organic framework

The invention relates to the technical field of preparation and application of functional materials, in particular to a fullerene / metal organic framework loaded with acetylcholin esterase as well as a preparation method and application of the fullerene / metal organic framework. The preparation method comprises the following steps: firstly, preparing a fullerene / metal organic framework C60-coated PCN-222 (Fe) nano-enzyme with a space limited environment, and providing a self-cascade amplification strategy without external energy input based on the activities of oxidase-like OXD and peroxidase-like POD of the fullerene / metal organic framework C60-coated PCN-222 (Fe) nano-enzyme; then, the C60 atched PCN-222 (Fe) is combined with acetylcholin esterase AChE by means of molecular interaction, and an AChE / C60 atched PCN-222 (Fe) enzyme-nano enzyme array flow reactor is further developed. The sensor realizes parallel real-time detection and distinguishing of a plurality of organophosphorus pesticides, and has the advantages of wide linear range, high sensitivity and low detection limit. A promising strategy is provided for design of a nano-enzyme and trace pollutant detection system, and a sensing platform is stable in performance, low in price and convenient for commercialized application.
Owner:UNIV OF JINAN

N+1 power supply intelligent control circuit and fault isolation and energy saving system thereof

The invention discloses an n + 1 power supply intelligent control circuit and a fault isolation and energy saving system thereof. The n + 1 power supply intelligent control circuit comprises n main power supply modules, a redundant power supply module, a dynamic energy pool unit, a self-healing isolation unit, an energy efficiency optimization unit and a central control unit, the dynamic energy pool unit is respectively connected with the n main power supply modules, the redundant power supply module and the external energy unit, and is used for integrating the output power of each power supply module to form an adjustable power pool, collecting the power state, health parameters and energy efficiency data of each module in real time and feeding back the power state, health parameters and energy efficiency data to the central control unit; and the output proportions of the modules are dynamically distributed based on instructions of the central control unit. According to the invention, the power supply reliability and fault-tolerant capability are improved, the on-load isolation of the fault module and the rapid reconstruction of the power supply path are realized through the cross connection topology and the pre-isolation mechanism of the matrix type solid-state switch network, and the power supply interruption or large voltage fluctuation caused by the traditional passive isolation is avoided.
Owner:百信信息技术有限公司

Power generation device for preheating by using submerged arc furnace gas power generation tail gas as heat source

The utility model relates to the technical field of metallurgical energy conservation, in particular to a power generation device for preheating by using submerged arc furnace gas power generation tail gas as a heat source, which comprises a submerged arc furnace, a submerged arc furnace gas recovery processing device, a gas generator set, a denitration and desulfurization device and a preheating device, the submerged arc furnace gas recovery processing device is connected with the submerged arc furnace and the gas generator set and used for purifying gas generated by the submerged arc furnace and then sending the purified gas to the gas generator set for power generation, and the denitration and desulfurization device is connected with a tail gas exhaust port of the gas generator set and used for conducting denitration and desulfurization treatment on tail gas generated after power generation. The denitration and desulfurization device is connected with the preheating device and used for feeding tail gas subjected to denitration and desulfurization into the preheating device to preheat materials, and the preheating device is connected with the submerged arc furnace and used for feeding the preheated materials into the submerged arc furnace for smelting, so that energy waste caused by direct emission of high-temperature tail gas generated after power generation is avoided; and the demand on external energy in the preheating process is also reduced.
Owner:INNER MONGOLIA WANGYUAN IND CO LTD +1

Energy-saving steel pipe annealing equipment

The utility model discloses energy-saving steel pipe annealing equipment which comprises a rack, a preheating mechanism, a quenching mechanism and a feeding mechanism are arranged on the rack, a feeding chute is arranged on one side of the preheating mechanism, and the feeding chute is communicated with the preheating mechanism; intermediate frequency equipment is arranged in the rack and connected with the quenching mechanism, a discharging slide way and a feeding slide way are arranged in a heat shielding cover of the preheating mechanism from bottom to top, heat emitted by the quenched steel pipe is used for preheating the steel pipe to be quenched, and therefore the energy utilization efficiency is improved; external energy input required during quenching is also reduced; the heat shield enables heat emitted in the cooling process of the steel pipe to fully preheat the steel pipe to be quenched, the utilization rate of the heat is improved, the preheating effect is further enhanced through the feeding slide way and the discharging slide way which are composed of the supporting rods and the fixing rings, and the whole quenching process is more efficient.
Owner:王宜文

Long-acting test block maintenance equipment

The long-acting test block curing equipment comprises a vortex tube, an air supply mechanism, a first mixing chamber, a second mixing chamber and a curing chamber, and compressed air enters the vortex tube and then is converted into cold and hot airflow; hot air and cold air are generated through the vortex tube, chemical substances are not needed in the temperature control process, external energy does not need to be input either, and excellent environmental protection performance, energy saving performance and safety are achieved. Hot air enters the first mixing chamber through the hot air outlet and can heat the humidifying liquid into hot liquid; the cold air enters the second mixing chamber through the cold air outlet and can cool the humidifying liquid into cold liquid; the liquid with temperature is used for humidification and temperature control after entering the curing chamber, and the temperature directly acts on the test block through the liquid, so that the test block can maintain an effective curing state; in addition, the vortex tube can generate hot air and cold air at the same time, in the temperature adjusting process, temperature changing of the humidifying liquid can be conducted immediately by selecting different mixing chambers, and the applicability is excellent.
Owner:SHANGHAI JIANKE TECHN ASSESSMENT OF CONSTR +1

Method and apparatus for supplying energy to a medical device

An apparatus configured to control transmission of wireless energy supplied to an electrically operable medical device adapted to be implanted in a mammal patient is provided. The apparatus comprises an external energy source adapted to be located outside the mammal patient and comprising an external control unit, the external energy source being adapted to transmit wireless energy, and an internal energy receiver located inside the patient and comprising an internal control unit, the internal energy receiver being adapted to receive the wireless energy, the internal energy receiver being configured to directly or indirectly supply wirelessly received energy to the electrically operable medical device, and a control unit comprising the internal control unit or the external control unit, wherein the electrically operable medical device is adapted to transfer control information to the control unit, the control information being related to an energy adapted for operating the medical device and said control information being adapted to be used to control the receipt of energy.
Owner:FORSELL PETER

Reclaimed water conveying method and system integrating energy recovery and electric energy storage

The invention discloses a reclaimed water conveying method and system integrating energy recovery and electric energy storage, and relates to the technical field of reclaimed water conveying. The method comprises the following specific steps: purifying original wastewater through pretreatment and advanced treatment to obtain reclaimed water; conveying the reclaimed water through an urban reclaimed water pipe network; a hydroelectric generation device is arranged in an urban reclaimed water supply system, gravitational potential energy of water flow in the reclaimed water conveying process is converted into electric energy, and energy recovery is carried out; and the recycled electric energy is stored in the energy storage equipment and is used for the operation of a subsequent reclaimed water conveying system. Energy recovery and electric energy storage are achieved in the reclaimed water conveying process, the energy utilization efficiency is improved, dependence on external energy is reduced by recovering energy in the reclaimed water flowing process, and the conveying cost is reduced.
Owner:YANGTZE RIVER WATER RESOURCES PROTECTION SCI RES INST +1

Photosensitive invisible anti-counterfeiting ceramic ink as well as preparation method and application thereof

The invention belongs to the technical field of ceramic ink, and particularly discloses photosensitive invisible anti-counterfeiting ceramic ink as well as a preparation method and application thereof. The ceramic ink comprises the following raw material components in parts by weight: 35-45 parts of a photosensitive material, 55-60 parts of an organic solvent, 3-8 parts of a dispersing agent and 0.5-1.5 parts of a defoaming agent, wherein the photosensitive material is a rare earth metal oxide. According to the photosensitive invisible anti-counterfeiting ceramic ink, the pure rare-earth metal oxide is used as a photosensitive material, the characteristics that rare-earth elements have an unfilled 4f electron shell layer and 4f electrons are shielded by 5s and 5p electrons on the outer layer are utilized, and when the pure rare-earth metal oxide is excited by external energy, the electrons jump from a ground state energy level to an excited state energy level and then return to the ground state energy level, so that the anti-counterfeiting effect is achieved. An instantaneous luminescence phenomenon can be formed; therefore, the problem of afterglow of a traditional synthetic luminescent material serving as an invisible anti-counterfeiting identification code is solved, and the influence of a photosensitive material on the decorative effect of the ceramic tile is avoided.
Owner:FOSHAN OCEANO CERAMICS +1

Construction machine with DC electrical system

The invention relates to a construction machine comprising an undercarriage, a superstructure rotatably mounted on the undercarriage, and an electrical system. The electrical system comprises a DC circuit, at least one electrical load, and at least one electrical power source and / or interface for connecting an external power source, which are interconnected by the DC circuit. According to the invention, the DC circuit extends to the superstructure and the undercarriage and comprises a superstructure circuit and a substructure circuit, which are interconnected via a DC transmission line extending between the superstructure and the substructure.
Owner:LIEBHERR WERK NENZING

Self-adaptive multi-dimensional vibration reduction support device for bridge and working method of self-adaptive multi-dimensional vibration reduction support device

The invention provides a bridge self-adaptive multi-dimensional vibration reduction support device and a working method, relates to the field of bridges, and aims to solve the technical problems that an existing bridge vibration reduction device is difficult to consider multi-dimensional vibration control and adjustment depends on an external power supply. Vibration mechanical energy is converted into magnetic field energy to act on magnetorheological fluid, a self-adaptive vertical damping adjusting mechanism which does not need external energy and has stronger vibration and larger damping is constructed, and rolling friction energy consumption of friction balls in the transverse vibration reduction assembly and displacement constraint of a limiting ring are combined, so that the vibration reduction effect is improved. The multi-dimensional control over the vertical direction, the horizontal direction and the torsion is achieved through the combined deformation energy dissipation of a vibration reduction spring and a limiting cable in the torsion vibration reduction assembly, the problems that a traditional bridge vibration reduction support is single in function, cannot be adjusted in a self-adaptive mode and fails in power failure are effectively solved, and the anti-vibration safety and the operation stability of the structure in the complex power environment are improved.
Owner:SHANDONG UNIV

Energy-saving water pump capable of stably dissipating heat

The invention is suitable for the technical field of water pumps, and provides a stable heat dissipation energy-saving water pump which comprises a pump body, a water inlet pipe, a water outlet pipe, a pump cover, a water pump motor, a main shaft and a suction structure and further comprises an auxiliary heat dissipation structure, the auxiliary heat dissipation structure comprises a connecting assembly, a discharge and suction assembly and an adjusting assembly, and the connecting assembly comprises a connecting pipe A, a mounting cylinder and a longitudinal pipe. According to the energy-saving water pump capable of stably dissipating heat, the water pump normally carries out water pumping and draining operation and drives the auxiliary heat dissipation structure through water flow of the water pump, so that the flow direction and the flow speed of air around the heat dissipation fins can be changed through flowing of a water source, and the heat exchange efficiency and the heat exchange quality of the heat dissipation fins and external gas are improved; no extra driving source needs to be added, dependence on external energy is reduced, and therefore stable heat dissipation, energy conservation and efficiency improvement of the water pump are achieved, and the device is suitable for water pumps of various types and specifications and has high universality and flexibility.
Owner:ZHEJIANG FENGYUAN PUMP IND