92results about How to "Achieve self-supply" patented technology

The invention discloses a ship vibration energy acquisition and intelligent monitoring device based on a frictional nano-generator, which comprises a base, a frictional nano-generator, an integrated circuit and a display screen, and is characterized in that the frictional nano-generator comprises a spring, a silicone model, an upper electrode, a lower electrode and a wire, and has dual functions of performing frictional power generation and converting vibration signals into electric signals. The ship vibration energy acquisition and intelligent monitoring device does not need a battery or an external power supply, and can provide power for sensors thereof continuously. The ship vibration energy acquisition and intelligent monitoring device can operate with a small amount of electric energy, thereby not only reducing resources and energy consumed by manufacturing the battery, but also being capable of reducing the waste of electric power and realizing self power supply. The ship vibration energy acquisition and intelligent monitoring device can calculate the frequency and amplitude of ship vibration according to the output voltage waveform of the generator, and forms comparison with the vibration frequency under a normal operating state of the ship so as to monitor abnormal vibration, thereby facilitating the ship management staff to timely inspect and maintain abnormally vibrating electromechanical equipment of the ship, and realizing visualization of the ship vibration.

The invention discloses a green ecotypical toilet which comprises an excrement and urine separation system, an excrement decomposing and treating system (2), a urine purifying system (3), an ecological wetland (7) and a clear water backflow system (4), wherein the excrement and urine separation system at least comprises an excrement and urine separator (1); an excrement outlet of the excrement andurine separator (1) is communicated with an inlet of the excrement decomposing and treating system (2), and an urine outlet of the excrement and urine separator (1) is communicated with an inlet of the urine purifying system (3); outlets of the excrement decomposing and treating system (2) and the urine purifying system (3) are both communicated with an input end (71) of the ecological wetland (7); and an output end (72) of the ecological wetland (7) is connected with the clear water backflow system (4). Compared with the prior art, the invention respectively degrades excrement and urine intoreusable clear water more sufficiently and complete, and realizes the self recycling use of the water system and the recycling use of light energy and wind energy, thereby achieving the purposes of no discharge, no pollution, clean and sanitary environment, environmental protection and energy saving.

The invention discloses a compound damping adjustable self-energy-supply type active suspension actuator. A system of the actuator comprises an actuator body and an actuator control system. The actuator body comprises a working cylinder, an oil storage cylinder, an upper sealing end cover, an electromagnetic compression valve, a compensation valve, a hollow piston rod, a direct current brushless motor, a piston, an electromagnetic rebound valve and a circulating valve; the actuator control system comprises the actuator controller and an electric energy storage circuit; the input end of the actuator controller is connected to a unsprung mass speed transmitter and a sprung mass speed transmitter; the electric energy storage circuit comprises a rectifier, a first energy fed branch and an energy fed adjusting circuit connected to the rectifier as well as a second energy fed branch and a third energy fed branch connected to the energy fed adjusting circuit in circuit; the invention also discloses a control method of the compound damping adjustable self-energy-supply type active suspension actuator. The actuator disclosed by the invention is fast in active control respond speed, preciseto control, more in electric energy generated by fed energy, high in energy conversion ratio and wide in application prospect.

The invention provides a triphenylamine self-powered electrochromic material, namely a compound (4-((4-(N, N-dimethylamine)phenyl)(phenyl)amino)benzyl)phosphonic acid and a synthesis method thereof. The invention also provides a self-powered electrochromic device containing the triphenylamine derivative. The novel triphenylamine derivative electrochromic material provided by the invention has double performance of photoelectric conversion and electrochromism; and the device consisting of the compound can realize the self-powering feature, namely that the device absorbs light energy and converts the light energy into electric energy for driving the device to change color. The novel device is simple in structure, low in preparation cost, green and environment-friendly and the like, and can be applied to the fields of buildings, automobiles, displays and the like.

The invention provides an on-line arrester monitoring device with a self-energy-taking function. The device comprises a CPLD (complex programmable logic device), a power supply unit, and a lighting stroke number acquisition unit of the arrester, wherein the output terminal of the CPLD is connected with a remote computer through optical fiber, the power supply unit is connected to two ends of the arrester through a rectifier and stores energy to both a second capacitor and a third capacitor through the arrester, and the stored energy are subjected to DC / DC conversion and used for supplying electricity. The monitoring device utilizes the characteristics of the arrester, utilizes the concepts of capacitor energy storage and low-voltage transformation to realize the self-energy-supply of a communication chip and solves the problem of difficult energy supply to an online monitoring interface module of the arrester.

The invention discloses a series-connection-type energy reclaiming hybrid active suspension actuator and a control method thereof. The series-connection-type energy reclaiming hybrid active suspensionactuator comprises an actuator body and an actuator control system. The actuator body comprises a valve-type magnetorheological damper mechanism and a power transmission mechanism; the valve-type magnetorheological damper mechanism comprises a liquid storage cylinder barrel, a working cylinder barrel, a sealing end cover, a piston rod, a piston, a stretching adjusting valve, a circulating valve,magnetorheological liquid, a compression adjusting valve, a compensation valve, a guiding seat and an oil seal; the power transmission mechanism comprises a motor mounting seat, a direct-current brushless motor, a ball lead screw, a ball lead screw nut and a sleeve; and the actuator control system comprises an actuator controller and an electric energy storage circuit. The control method of the series-connection-type energy reclaiming hybrid active suspension actuator comprises the steps of firstly, data collection and synchronous transmission, and secondly, data analysis processing and controlling. The design is novel and reasonable, and implementing is convenient; better damping can be achieved, and sufficient electric energy consumed during energy reclaiming can further be generated; and using is convenient, the using prospects are wide, and using and popularizing are facilitated.

Embodiments of the invention provide a biogas slurry treatment system and method and relate to the field of sewage treatment. The system includes an electrolysis treatment unit, an artificial wetland treatment unit and a backflow unit. Heavy metal ions in biogas slurry are removed at an electrolysis pool cathode plate (2) in the electrolysis treatment unit through flocculation. The biogas slurry treated by the electrolysis treatment unit is fed into the artificial wetland treatment unit, nitrate nitrogen in the biogas slurry is converted into nitrogen and removed through denitrification in an anaerobic zone (6), and a microbial battery is formed when the artificial wetland treatment unit works and supplies the electrolysis treatment unit with power. According to the system and the method, heavy metals in the biogas slurry are removed through biogas slurry treatment by the electrolysis treatment unit, the removing efficiency of total nitrogen in the biogas slurry is increased through biogas slurry treatment by the artificial wetland treatment unit, and the artificial wetland treatment unit supplies the electrolysis treatment unit with power, thus reducing the running cost.

The invention discloses a water quality monitoring system for a water area of a scenic spot. The water quality monitoring system comprises a monitoring center and a remote node. The remote node comprises a bearing floater which is arranged on water surface. The bearing floater is internally provided with a chamber. The chamber is internally provided with a piezoelectric cantilever beam. An insulated lantern ring is fixedly arranged on the piezoelectric cantilever beam. A pull bar is arranged below the insulated lantern ring. A through hole which corresponds with the pull bar is arranged at the lower part of the bearing floater. A sealing mechanism is arranged between the pull bar and the through hole. The lower end of the pull bar is fixedly connected with waterbed through a rope body. The piezoelectric cantilever beam is connected with a power supply management unit. The power supply management unit is connected with a monitoring unit, a processor unit and a communication unit. The water quality monitoring system has functions of covering wave energy to electric energy, satisfying a requirement of electric power for monitoring the water quality of the water area and creating a necessary condition for wireless monitoring of the water quality. Simple structure and relatively small size are realized. Relatively high power generation efficiency on small machines is obtained. Sufficient power generating amount can be ensured for use by the monitoring equipment.

The invention provides a self-powered electrorheological elastomer damper which comprises an insulating shell, a pressing rod, an upper pressing plate, piezoelectric ceramic, a lower pressing plate, multiple electrode plates and electrorheological elastomers. A through hole is formed in the top of the insulating shell, the pressing rod penetrates the through hole, the upper pressing plate, the lower pressing plate, the electrode plates and the electrorheological elastomers are mounted in an inner cavity of the insulating shell, insulating paper is arranged between the pressing rod and the upper pressing plate, the piezoelectric ceramic is disposed between the upper pressing plate and the lower pressing plate, the electrode plates are disposed in the inner cavity of the insulating shell, insulating paper is arranged between the lower pressing plate and the electrode plates, one electrorheological elastomer is arranged between each two adjacent electrode plates, the upper pressing plate and the lower pressing plate are connected with the electrode plates through leads respectively, and the two electrode plates corresponding to a same electrorheological elastomer are connected with the upper pressing plate and the lower pressing plate respectively. The piezoelectric ceramic which is cylindrical is adopted for power generation, so that a strong electric field can be provided for the electrorheological elastomers, and self powering of the damper is realized; the self-powered electrorheological elastomer damper can adapt to vibrating environment better to realize vibration inhibiting.

The invention discloses an intelligent control system for parking spot locks. The intelligent control system comprises a parking spot lock low-power-consumption Bluetooth part, a parking spot lock micro programmed control unit (MCU), a parking spot control circuit, a power supply control circuit and a low-voltage parking spot lock motor, wherein the parking spot lock low-power-consumption Bluetooth part is used for sending and receiving signals; the parking spot lock MCU is used for controlling the parking spot lock low-power-consumption Bluetooth part to send and receive data and commands; the parking spot control circuit is used for receiving the commands from the parking spot lock MCU and responding to the commands from the parking spot lock MCU to control motions of the low-voltage parking spot lock motor; the low-voltage parking spot lock motor is used for driving the parking spot locks under the control of the parking spot control circuit to enable the parking spot locks to be unlocked or locked; the power supply control circuit is used for transforming output voltage from a direct-current power supply into first low voltage applicable to the parking spot lock MCU and the parking spot control circuit. As the low-voltage parking spot lock motor is used for driving the parking spot locks, power consumption is low; besides, a solar cell is arranged so that self energy supply can be achieved.

The invention discloses a photovoltaic time-controlled automatic irrigation system which comprises a photovoltaic device, an irrigation device, an irrigation pipeline, a switching assembly and a control device, wherein the photovoltaic device comprises a photovoltaic assembly, an accumulator, an inverter, a frequency converter and a voltage booster; the irrigation device comprises a water storage container; the irrigation pipeline is connected with an external water source and the water storage container, so as to irrigate; the switching assembly is arranged on the irrigation pipeline, and different water flow paths are formed in the irrigation pipeline by opening and closing the switching assembly; the control device comprises a controller and a microcomputer time-controlled switch, the controller is used for controlling the switching assembly to open or close, power is supplied to the irrigation device and the control device by the photovoltaic device, and the microcomputer time-controlled switch is connected to the controller, so as to control the irrigation device to start and stop in multiple time periods. According to the photovoltaic time-controlled automatic irrigation system, solar energy is reasonably utilized, and unattended operation, automatic energy supply, closed cycle and automatic irrigation of crops are realized.

The invention discloses a compound vibration energy collector based on piezoelectricity and static electricity and relates to a vibration energy collecting device. The compound vibration energy collector based on piezoelectricity and static electricity can be used for realizing the self-adaption, high-efficiency and wideband collection of environment vibration energy, is self-energizing and is provided with a support frame, a mass block, a hollow connecting plate, an upper capacitance plate, a lower capacitance plate, a piezoelectric piece group and an energy collecting circuit or is provided with a support frame, a mass block, a hollow connecting plate, an upper capacitance plate, a lower capacitance plate, a piezoelectric piece group and an energy collecting circuit.

The invention discloses a ball screw type self-energized semi-active suspension actuator. The ball screw type self-energized semi-active suspension actuator comprises an actuator body and an actuatorcontrol system. The actuator body comprises an upper shell, a lower shell, a lead screw shaft, a first transmission shaft, a second transmission shaft, an output shaft, a direct current brushless motor, a ball screw, a lead screw fixing nut, a lead screw shaft gear, a first transmission shaft first gear, a first transmission shaft ratchet wheel, a first transmission shaft second gear, a second transmission shaft gear, an output shaft first gear, an output shaft second gear, a lead screw nut and a cross-shaped connector. The actuator control system comprises an actuator controller, a computer,a vehicle speed sensor, a road surface unevenness displacement sensor, an unsprung mass displacement sensor, a sprung mass displacement sensor and an actuator speed sensor. The invention further discloses a control method of the ball screw type self-energized semi-active suspension actuator. By adopting the ball screw type self-energized semi-active suspension actuator, a large amount of inertia loss is avoided, the energy feedback efficiency is improved, and the working stability and the reliability are high.

The invention discloses a wave energy and solar energy seawater desalination and salt production apparatus, which comprises an energy capture device, an energy storage voltage stabilization device, areverse osmosis device and a residual energy recovery device, wherein the energy capture device, the energy storage voltage stabilization device, the reverse osmosis device and the residual energy recovery device are sequentially connected through pipelines, the energy storage voltage stabilization device comprises M stages of energy storage voltage stabilization pipelines sequentially arranged side by side, the inlet ends of the two adjacent stages of the energy storage voltage stabilization pipelines are connected by connecting pipes, various connecting pipes form a N-stage connecting pipe,each stage of the connecting pipe is provided with a sequence valve, the outlet ends of the M stages of the energy storage voltage stabilization pipelines are collected to a voltage stabilization water outlet total pipe, pressure stabilized seawater is input into the reverse osmosis device through the voltage stabilization water outlet total pipe, each stage of the energy storage voltage stabilization pipeline is provided with an energy storage device and a pressure reducing valve, and the set output pressures of the M pressure reducing valves of the M stages of the energy storage voltage stabilization pipelines are sequentially increased. Compared with the apparatus in the prior art, the apparatus of the present invention has advantages of stable water production and energy saving.

The invention belongs to the photoelectric device technology field and especially discloses a manufacturing method of a two-dimensional ordered TiO2 nanometer well film and an application in a self-energized photoelectric device. In the invention, firstly, a two-dimensional ordered TiO2 nanometer well film is manufactured; and then the manufactured TiO2 nanometer well film is taken as a substrate so as to manufacture a heterojunction compound with inorganic-substance layered NiO organic semiconductor polyaniline; and a self-energized photoelectric detector is constructed. The method comprises the following steps of anodic oxidation, physical stripping, heating calcinations, low temperature hydrothermal treatment, in situ polymerization and the like. In the invention, a complex and expensive manufacturing technology of the photoelectric device is avoided and rapid construction of a large-scale device can be realized; a photovoltaic effect of a p-n junction is used, under zero-bias driving, photon-generated carriers are rapidly separated under a built-in potential effect, self-energized performance of the device is realized and a light current is stable and a response speed is fast; and for ultraviolet light, good selection performance is possessed, and the photoelectric detector can be served as an energy-saving high frequency detector and a high-frequency photoelectric converter and can be applied in the fields of optical communication, military, medical treatment, photoelectric storage and the like.

The invention discloses an electro-hydraulic integrated type self-energy supplying active suspension actuator which comprises an actuator main body and an actuator controller, wherein the actuator main body comprises a piston barrel, a piston, an upper piston rod, a lower piston rod, an upper lug ring, a lower lug ring, an upper piston barrel end cover, a lower piston barrel end cover, an upper sleeve, an upper guide base, an upper oil seal, a first sealing ring, a lower sleeve, a lower guide base, a lower oil seal, a second sealing ring and a hydraulic oil; a check valve set, a hydraulic motor module and a brushless direct current motor are embedded into the piston; the check valve set comprises a flow valve, a compression valve, a compensation valve and a rebound valve; the hydraulic motor module comprises a hydraulic motor shell, a shaft sleeve, a first gear, a second gear and a third gear. The invention also discloses a control method for the electro-hydraulic integrated type self-energy supplying active suspension actuator. The electro-hydraulic integrated type self-energy supplying active suspension actuator is novel and reasonable in design, convenient in realization and low in cost; the suspension actuator can be under the optimal vibration attenuation state; the driving smoothness and the operation stability of the vehicle can be more effectively promoted.

The invention provides a self-powered flexible gas sensor. The self-powered flexible gas sensor comprises a flexible substrate, a gas sensing array and a flexible nanogenerator, wherein a groove is formed in the flexible substrate; an array gas sensor is arranged at the bottom of the groove; a cavity is formed in one side of the groove; the peripheral wall of the cavity is coated with a frictionalpower generating layer; the cavity is filled with liquid metal; a long strip-shaped metal electrode, and a conductive wire connected with the long strip-shaped metal electrode and the liquid metal are arranged at the bottom of the groove and between the groove and the cavity. The self-powered flexible gas sensor solves the problem that at present, the gas sensor cannot be applied in a flexible state; through structural improvement and arrangement of the cavity and the flexible nanogenerator, real-time interaction between gas to be detected and the outside world is achieved, a basis is provided for endowing a wearable device with a gas sensing function, and the nanogenerator further achieves self-powder to a certain degree.

The invention discloses a control system of an integrated self-energized active suspension actuator. The control system comprises an active control system and an energy recovery system, wherein the active control system comprises an actuator, a vehicle speed sensor, a road surface unevenness sensor, an unsprung mass displacement sensor, a sprung mass displacement sensor, an actuator speed sensor and a road surface unevenness detector; and the energy recovery system comprises a driver module, a rectification filtration module, a boosting module, a first metal oxide semiconductor (MOS) switch module, a second MOS switch module, an energy storage module, an open circuit voltage (OCV) detection module, a control module and a control circuit power supply module. The control system is applied toa heavy-duty commercial vehicle, integrates an air spring, a spiral spring and a linear motor, can effectively reduce the stiffness of a suspension system, reduces the deviation frequency of the suspension system, can carry out active control, adjusts the damping of the suspension system according to the operating conditions, and improves the smoothness and control stability. In addition, vibration energy recovery can be carried out, and system self-energization is achieved without the need to consume external energy.

The invention relates to a self-energized up and down adjusting equipment for euphausia superba beam trawling. The equipment includes a pair of up and down adjusting devices symmetrically arranged ona beam. Each of the up and down adjusting devices includes a fairing, a protective cover, a propeller water current generator, a bidirectional driving motor, a rotary screw, a lifting and lowering connector and a fin. The protective cover is connected with the rear end of the fairing. The propeller water current generator is arranged inside the fairing. The bidirectional driving motor is driven bythe propeller water current generator. Two ends of the rotary screw are arranged on the protective cover, wherein the two ends are along the vertical direction and can rotate bidirectionally. The rotary screw is driven by the bidirectional driving motor. The lifting and lowering connector is arranged on the rotary screw in a thread structure. The front end of the fin is horizontal and both sidesof the fin are rotationally connected with the protective cover separately. The rear end of the fin is connected with the lifting and lowering connector and is driven to adjust the angle of the fin through the lifting and lowering movement of the lifting and lowering connector. The self-energized up and down adjusting equipment provide by the invention can realize the controllable and self-energized active lifting and lowering adjustment of the beam trawling.

An energy-saving-oriented self-energizing control method for a car active suspension system, relates to the field of energy-saving control for car active suspension systems, and solves the problem about high energy consumption of the active suspension system. The method comprises the followings: as per performance indexes required by the active suspension system, designing a feedback controller of the active suspension system; based on the status of a motor and the charge-discharge condition of a power source, dividing the motor into three working areas; according to the self-energizing criterion, determining whether or not the active suspension system is capable of self energizing; if yes, computing to obtain the value of the pattern variable gamma, and determining the working area of the motor and the operating mode of the suspension according to the value of gamma; according to the operating mode of the suspension, designing corresponding operating circuit for each suspension mode, and according to the relationship between the variable resistance Rvar and the desired current i* in the circuit of the motor under each operating mode of the suspension system, switching to the corresponding operating circuit to realize switching among operating modes of the suspension system and changing of the current direction, thus realizing self-energizing control. The method disclosed in the invention is applicable to self-energizing control in other occasions.

The invention discloses a method and a system for preparing synthetic oil by using miniaturized biomass based on a mobile platform. According to the method, a biomass raw material gasifying unit, a synthesis gas purifying converting unit and a fischer-tropsch synthesis unit which are successively connected with each other are integrally arranged on the mobile platform, the mobile platform is flexibly transported to a biomass distribution site or a preset processing place according to the requirement and then the synthetic oil production process is directly performed on the mobile platform. The system comprises the biomass raw material gasifying unit, the synthesis gas purifying converting unit and the fischer-tropsch synthesis unit which are integrally arranged on the mobile platform, wherein the biomass raw material gasifying unit is used for gasifying the biomass; the synthesis gas purifying converting unit is used for purifying and converting the rough synthesis gas; the fischer-tropsch synthesis unit is used for performing fischer-tropsch synthesis on the synthesis gas after the synthesis gas is purified and converted. The system is moved through the mobile platform, the production is performed on the mobile platform and the system has the characteristics of microminiaturization, mobility, economical and feasible effect, flexibility and convenience.

The invention relates to the technical field of motion counting sensors, in particular to a multifunctional motion counting sensor based on a friction nano-generator. When a human body moves, a friction nano-generator collects energy generated by movement and sends out an electric signal; the voltage is judged through a signal detection circuit; the human body motion posture is judged; detected signals 0 and 1 are input into a single-chip microcomputer 1, the single-chip microcomputer 1 transmits the signals to a Bluetooth master module, the Bluetooth master module and a Bluetooth slave moduleachieve wireless communication; the signals are transmitted to a single-chip microcomputer 2 through the Bluetooth slave module; and finally a display screen is controlled to display the walking stepnumber and the running step number respectively. Peripheral circuits of the single-chip microcomputer 1 and the single-chip microcomputer 2 are respectively composed of power supply circuits, crystaloscillators and reset circuits, and the whole system and the display screen are initialized through the reset circuit of the single-chip microcomputer 2. The multifunctional motion counting sensor issimple in structure, excellent in performance and stable in system, and self-energizing is achieved.

The invention provides an MEMS-based interdigital gap beam structure energy collector and a manufacturing method thereof. At present, in an MEMS technique energy recycling researching process, the problem of manufacturing a PZT film on a micrometer scale gap cantilever beam exists, and achievement of mass production of energy collectors is restricted. The method comprises the steps that a top PZT composite film beam and two bottom support silicon beams are provided, and the two ends of the top PZT composite film beam and the two ends of each bottom support silicon beam are connected with mass blocks and fixing blocks respectively, wherein the top PZT composite film beam comprises a PZT beam layer, an upper metal electrode and a lower metal electrode, the upper metal electrode is connected with the upper layer of the PZT beam layer, and the lower metal electrode is connected with the lower layer of the PZT beam layer. The MEMS-based interdigital gap beam structure energy collector is used for micro-electronic mechanical devices.

The invention relates to the technical field of energy supply and discloses a pipeline metering system to achieve the self-power supply of the pipeline metering system and accordingly improve the working stability of the pipeline metering system and reduce the operation and maintenance costs. The pipeline metering system includes a pipeline, a turbine, a transmission mechanism, a power generationmechanism, a metering transceiver and a flow meter, wherein there is a fluid inside the pipeline during working, the turbine and the flow meter are installed inside the pipeline in sequence in the fluid flow direction, the fluid drives the turbine to rotate, the turbine is connected to the power generation mechanism through the transmission mechanism, the power generation mechanism is electricallyconnected to one end of the metering transceiver, the other end of the metering transceiver is connected to the flow meter to receive flow information, and the metering transceiver transmits the flowinformation through wireless communication.

The invention discloses a self-regulation heating belt combined coextrusion device. The device comprises a machine head base, a mold core base and a mold core set; and the mold core set is mounted onthe mold core base. The device is characterized in that the mold core set comprises a first mold core, a second mold core and a third mold core coaxially arranged; a first runner is formed between thefirst mold core and the second mold core; a second runner is formed between the second mold core and the third mold core; and a third runner is formed between the third mold core and the machine headbase. The self-regulation heating belt combined coextrusion device further comprises a temperature control device; the temperature control device comprises a temperature detecting device and a controller; the temperature detecting device is in communication connection with the controller; and an energy collecting device is arranged on the temperature detecting device. The device saves the energy,and can realize self energy supply of the temperature detecting device.

The invention provides a low power consumption wireless sensor network design method based on the self-powered technology. The specific process is as follows: dividing wireless nodes into multiple subnets, and forming a planar peer-to-peer mesh network among the nodes in each subnet, for each subnet, after a stable cluster structure is formed according to routing rules of an LEACH protocol, collecting, by a cluster node, an information table of member nodes to construct a neural network; searching for samples matching cluster member information in a sample database for training, and obtainingneural network parameters of cluster members and the cluster node; sending, by the cluster member nodes, information subject to fusion processing to the cluster node according to the constructed neural network; performing, by the cluster node, fusion processing on the received information, and then transmitting a small number of feature values of reaction information to other subnets to perform further data fusion processing; and integrating interfaces of plurality of energy collection self-powered devices on the node.

The invention provides an electrochemical system with a near-zero energy consumption display device, a preparation method and a display method. The electrochemical system comprises a first pole piece, a second pole piece and electrolyte, a conducting layer and a dielectric layer are sequentially arranged on the surface of the first pole piece in a stacked mode, and at least one through hole set is formed in the dielectric layer. In the charging and discharging process of the battery, the structural characteristics of the active material in the battery are utilized, and the active material is regulated and controlled to be orderly deposited and deembedded on the pre-designed through hole group template, so that the visible spectrum response is dynamically regulated and controlled, and a color-adjustable display device is realized; according to the invention, two functions of display and energy supply are combined into one, a self-driven display device is realized through mutual charging and discharging among different pixels, and the device integrating an electrochemical system and self-driven near-zero-energy-consumption display provides possibility for a highly-integrated ultra-small low-energy-consumption chip device in the future.

The invention relates to a self-powered vehicle speed measurement and overspeed photographing evidence obtaining system which comprises a first energy collection belt, a second energy collection belt and a central control rod, the two energy collection belts are installed at preset positions of a road surface, and the distance between the two energy collection belts is a set value s; each of the two energy collection belts comprises a plurality of fully-sealed power generation units which are connected in series or in parallel. The two energy collecting belts are electrically connected with the central control rod in a wired mode after being connected in series or in parallel, the center control rod is installed at the preset position of a road, a power management module, a center control module and a wireless transmission module are installed in the central control rod, a snapshot camera is installed at the top of the central control rod, and the power management module is electrically connected with the central control module, the snapshot camera and the wireless transmission module, and provides continuous power supply for the central control module, the snapshot camera and the wireless transmission module so as to realize system self-energization; according to the invention, the speed of the vehicle can be monitored, green, environment-friendly and sustainable energy can be provided for the work of the whole system, the self energy supply of the system is realized, and the energy supply problem of the current speed measurement photographing device is solved.

The invention discloses a bracket for monitoring the structural stability of a tunnel and a corresponding monitoring method thereof. The bracket comprises a plurality of arch-shaped brackets and a power supply, wherein the arch-shaped brackets are arranged in parallel along the length direction of the tunnel, and each arch-shaped bracket is vertical to the length direction of the tunnel and clingsto the inner wall of the tunnel; a plurality of stress sensors are arranged on one side, close to the inner wall of each arch-shaped bracket; and each strain sensor is connected to a communicator, and each communicator is in signal connection to data collection equipment. The method comprises the following steps acquiring strain data collected by each stress sensor is acquired by virtue of data collection equipment; carrying out difference on each strain data and preserved initial strain data of each stress sensor, and screening strain data in which a difference result exceeds a preset threshold value; and acquiring the position information of the inner wall of a corresponding tunnel according the screened strain data. According to the bracket, the unmanned and real-time monitoring of thedeformation of the inner wall of the tunnel can be realized, and the bracket is simple in structure and low in cost.