57results about How to "Conducive to integrated development" patented technology

The invention discloses a comprehensive management system for scenic regions. The comprehensive management system comprises an intelligent terminal, at least one data center and at least one positioning terminal; the intelligent terminal comprises a marketing promotion terminal or / and a service terminal or / and an industrial management terminal; the positioning terminal is used for collecting static position data of scenic spots and facilities in scenic regions; the positioning terminal is further used for collecting dynamic position data of touring vehicles, tourists and team tourists; the data center is for obtaining business information data and geographic information data; the data center performs centralized database-establishment and management according to the business information data and the geographic information data; the data center is provided with corresponding an industrial management module, a service module and a marketing promotion module according to the business information data and the geographic information data; the marketing promotion terminal establishes marketing promoting activities with the data center through the marketing promotion module; the industrial management terminal establishes industrial management activities with the data center through the industrial management module; and the service terminal establishes service activities with the data center through the service module.

The invention discloses a field effect transistor gas sensor and an array preparation method thereof. The field effect transistor (FET) gas sensor is a gate-sensitive FET gas sensor with a gate electrode modified by quantum dots, and a gate-sensitive electrode layer (5) of the FET gas sensor is of a two-layer composite structure or of a single-layer structure made of a composite material. The two-layer composite structure comprises a metal film layer and a quantum dot layer deposited on the surface of the metal film layer. The single-layer structure made of a composite material is specificallya single-layer structure made of a composite material formed by combining quantum dots and a metal or metalloid material. According to the invention, improvement is made on the internal composition and structure of the gate-sensitive FET, the corresponding preparation method and the like, quantum dots are used as a gate electrode and a gas sensitive layer at the same time, and the bias voltage ofthe gate electrode and the channel modulation effect are regulated and controlled by utilizing the adsorption characteristic of a quantum dot gate-sensitive electrode to different gases. A room-temperature gas sensor with high sensitivity, low power consumption and high selectivity can be obtained, and low-concentration target gases (such as H2) can be detected.

The invention relates to a low-temperature cofiring multilayer piezoelectric ceramic. The main material composition is as follows: yPb(ZrxTi(1-x))O3-(1-y-z)Pb(Mn1 / 3Sb2 / 3)O3-zPb(Zn1 / 3Nb2 / 3)O3, in addition, a proper amount of CuO is added as a fluxing agent to realize multilayer film low-temperature sintering, wherein the x value accounts for 0.40%-0.60%, the y value accounts for 0.60%-0.88%, the z value accounts for 0.02%-0.1%, and the weight percentage of CuO is 0%-0.05%. A multilayer film is prepared by adopting a tape casting method; the high-density multilayer piezoelectric ceramic is obtained by carrying out glue arrangement between 110 DEG C and 500 DEG C and carrying out low-temperature sintering at 830-850 DEG C; the appearance d33 of the piezoelectric multilayer film ceramic with a three-layer structure is more than or equal to 875 Pc / N by being tested through pressure point property and is far more than the d33 value (306 Pc / N) of a single-layer ceramic with same components. The low-temperature cofiring multilayer piezoelectric ceramic disclosed by the invention realizes the low-temperature sintering, prevents the problem of environment pollution caused by the high energy consumption, high cost, component deviation and PbO volatilization of high-temperature sintering, is excellent in piezoelectric property, achieves the d33 more than or equal to 875 Pc / N, the dielectric constant at 3000-6000 and the electromechanical coupling coefficient K31 more than or equal to 0.56 and meets the requirements of a multilayer piezoelectric ceramic device.

The invention discloses an ultrasonic-probe self-adaption matching system. The ultrasonic-probe self-adaption matching system comprises a probe parameter obtaining unit used for obtaining probe parameters of an ultrasonic probe, a probe-driving-parameter obtaining unit used for obtaining probe driving parameters of the ultrasonic probe according to the probe parameters and a driving unit used fordriving the ultrasonic probe according to the probe driving parameters. The invention also discloses an ultrasonic-probe self-adaption matching method. According to the ultrasonic-probe self-adaptionmatching method and system, the probe driving parameters are obtained through the probe parameters, the ultrasonic probe is driven according to the probe driving parameters, the self-adaption matchingproblem of the ultrasonic probe and an ultrasonic-diagnostic-equipment master unit is solved, and the application flexibility of ultrasonic diagnostic equipment is improved; universal using of the ultrasonic probe can be achieved, societal medical resources are effectively saved, integrated development of ultrasonic diagnosis industries is promoted, and the technical level of the ultrasonic-diagnostic-equipment master unit and the technical level of the ultrasonic probe are improved.

The invention discloses a chip embedded-type encapsulation structure with a reinforcing structure and an encapsulation method of the same, which belong to the technical field of semiconductor encapsulation. The chip embedded-type encapsulation structure with the reinforcing structure comprises chip single bodies and a thin film encapsulating body, wherein one or more than one chip single bodies are embedded from the back face into the thin film encapsulating body, the upper surfaces of the chip single bodies and the upper surface of the thin film encapsulating body are covered by an insulated thin film layer I, an opening of the insulated thin film layer I is disposed in the upper surface of a chip electrode, a re-wiring metal layer is formed on the upper surface of the insulated thin film layer, the re-wiring metal layer is respectively electrically connected to the chip electrodes, an input end / output end is disposed on the outmost layer of the re-wiring metal layer, a connecting part is formed at the input end / output end, and the back face of the thin film encapsulating body is equipped with a silicon substrate reinforcing plate. The encapsulation method disclosed by the invention reduces thicknesses of products, increases product reliability and realizes the multi-chip encapsulation structure through wafer-level technological forming.

Eye movements and / or physiological characteristics of a user viewing a subject are detected and quantified to produce data to determine one or more details that is or was observable in the scene or image of which the user may or may not be consciously aware. Eye movement data includes the number of times a user looks at each area of a subject (“fixation number”), the length or duration of the fixation (“fixation duration value”), the number of times a user returns to look at a particular area (“fixation repeats”), and additionally any changes to pupil size based on dilation / constriction (“pupil size”). Physiological characteristic data includes heart rate, pulse or skin conductance. Advantageously, the system and methods may be used for a variety of purposes including evaluation improvement and training.

The invention relates to an integrated two-dimension execution mechanism for space optical camera focal plane adjustment, comprising a focal adjustment unit and a bias current adjustment unit, wherein the focal adjustment unit comprises an eccentric shaft, a stepping motor, a worm, a worm gear, a worm case bearer, a sliding block seat, an encoder bearer, a focusing encoder, a focusing pedestal and a mechanism outer frame. The bias current adjustment unit comprises a worm, a screw rod shaft, a worm gear, a pedestal, a shifting fork, a bias current adjustment encoder, an optical axis, a nut and a stepping motor, a shifting fork seat, a focal plane, and a focusing base. The invention is applied in the integrated two-dimension execution mechanism for adjusting the focal plane of the space optical camera, and promotes the integration development of the optical sensor and provides technology support to the space product integration development.

The present invention discloses a data transmission method, system, and device, which can be applied in a unified frame structure under a paired spectrum and also under an unpaired spectrum through definition. In the transmission mode of the paired spectrum, downlink data on a downlink sub-frame in the unified frame structure can be carried on a downlink carrier for transmission, and uplink data on an uplink sub-frame can be carried on an uplink carrier for transmission; and in the transmission mode of the unpaired spectrum, data on each sub-frame in the unified frame structure is carried on the same carrier for transmission, so that converging of the paired spectrum and the unpaired spectrum is achieved, thereby facilitating the converged development of TDD and FDD.

The invention provides charging control method, device and equipment and an electric vehicle. The charging control method comprises the steps that power supply status information is obtained; a whole vehicle status signal collected by an electric vehicle management device is obtained; and if the power supply status information and the whole vehicle status signal meet the charging conditions, a charging control signal is sent to a vehicle-mounted charger, and the vehicle-mounted charger charges the vehicle. According to the charging control method, the slow-charging control section of the electric vehicle is simplified, uniform dispatch is conducted, and the charging reliability and safety of the electric vehicle are improved; the design of the vehicle-mounted charger can be simplified, the vehicle-mounted charger is simplified into a power part from a part in charge of control and power in the prior art, the cost and development difficulty of the vehicle-mounted charger are reduced, consistent development of all part developers is facilitated, and integrated development of a power part of the vehicle-mounted charger is facilitated.

The embodiment of the invention provides a method and device for measuring the speed and distance based on an OFDM signal. The method comprises the steps that a radio frequency signal obtained after the OFDM time domain baseband signal is converted is transmitted, wherein the OFDM time domain baseband signal comprises a transmission time frequency resource element matrix; at the transmission position of transmitting the radio frequency signal, an echo signal formed in the mode that the radio frequency signal is scattered and overlaid through all to-be-detected objects is received; a receivingtime frequency resource element matrix is extracted from the echo signal; based on the transmission time frequency resource element matrix and the receiving time frequency resource element matrix, anenvironment state sensing matrix is calculated; based on time domain discrete Fourier transform and frequency domain inverse discrete Fourier transform, the environment state sensing matrix is transformed, and a target matrix is obtained; based on a two-dimensional speed distance sensing graph expressed by a modular matrix of the target matrix, the relative speeds and relative distances of all theto-be-detected objects are determined. By adopting the scheme, the resolution ratio of measuring the speed and distance by using the OFDM signal is increased.

The invention discloses a micro-fluidic chip based on MHD control. The micro-fluidic chip is invented based on Ac MHD driving technology; a three layer structure is adopted; the first layer is a PDMS cover plate layer 16, is provided with electrode connection columns 12, an injection port 19, and an observing port 20 hole; the second layer is micro-channel layer 17 comprising an Ac MHD driving pump 11, a micro channel 15, a liquid storage chamber 21, and a detection chamber 22, wherein the Ac MHD driving pump 11 comprises the electrode connection columns 12, electrodes 13, and a micro solenoid coil 14 right below a micro channel 15; the third layer is quartz glass slice 18 provided with a groove via caving, and the groove is used for accommodating the micro solenoid coil 14. In applications, samples or reagents are injected into different liquid storage chambers 21, and flow into a preset detection chamber 22 for analysis under the control of Ac MHD driving pump, multipath simultaneous detection can be realized, detection efficiency is increased, and the micro-fluidic chip possesses practical application value.

The present invention discloses a wide incident angle sub-wavelength underwater sound unidirectional transmission device and a transmission control method thereof. Acoustics metamaterials are constructed, and in a condition that the thickness of the acoustics metamaterials is smaller than the wavelength of an incident sound wave, the asymmetric transmission of the wide incident angle incident sound wave is achieved; the acoustics metamaterials are formed by coupling one-dimensional flow / solid type diffraction acoustic grating and a cascading flow / solid type superlattice, the cascading flow / solid type superlattice is formed by cascading two flow / solid type diffraction acoustic gratings with different materials; the acoustics metamaterials are obvious in the asymmetric transmission effect oflow-frequency incident sound wave with 44-62 degrees, the highest commutating ratio can reach 1012, the asymmetric transmission frequency band of the acoustics metamaterials is wide, and the acoustics metamaterials have waveform preservation at the sub-wavelength area. The wide incident angle sub-wavelength underwater sound unidirectional transmission device is simple in structure and easy to prepare, facilitate promotion of the development of the mini-type and the integration of the underwater sound energy flow control device, and has important application values special in the fields of underwater communication and signal transmission.

The invention discloses a rural text travel development potential evaluation method. The method comprises the following steps: S1, constructing a rural text travel development potential evaluation index system; s2, carrying out dimensionless processing on the rural text travel development potential evaluation indexes; s3, determining the comprehensive weight of the evaluation factors by adopting a subjective and objective comprehensive weighting method; S4, determining the rural verbal travel development potential of the evaluation object. According to the method, 27 rural verbal travel development potential evaluation index systems including four criteria of culture resources, tourism resources, development environments and supporting facilities are constructed, and the rural verbal travel development potential evaluation method is put forward for the first time; on the basis of objective data of a village and town level, the difficulty that partial data of a village and town scale market is incomplete is overcome; according to the evaluation method, a subjective and objective combination weighting method combining an entropy evaluation method, a simple correlation coefficient method and an analytic hierarchy process is applied, the situation that objective weighting is insufficient in existing rural tourism potential evaluation research is improved, and the overlapping influence of indexes is reduced.

The invention discloses a super capacitor with an impact sensor function and application, and belongs to the technical field of super capacitors. The super capacitor adopts a structure with multiple laminated layers. Each laminated layer is formed by sequentially laminating a positive electrode, a piezoelectric PVDF film and a negative electrode. According to the structure with multiple laminated layers, every two laminated layers are laminated according to positive electrodes and negative electrodes, and the current collectors of the two positive electrodes and the two negative electrodes are laminated together, so that the multiple laminated layers are connected in series and then are encapsulated in a shell to form the super capacitor with the impact sensing function. According to the invention, the piezoelectric PVDF film is implanted into a gap between electrodes of the super capacitor, so when the basic capacitance function is kept, the super capacitor is integrated with a sensing function for impact overload; and multiple device functions are integrated in a single device, so the integrated development of a complex system is facilitated, and the application occasion of the super capacitor is expanded.

The invention discloses a ship intelligent navigation control system stable and reliable in information transmission, which comprises a ship end system, a communication link, a shore end system and an intelligent monitoring device, and is characterized in that the ship end system and the shore end system realize data receiving and transmitting sharing through the communication link, and a data basis is provided for realizing intelligent navigation, energy consumption management, fault diagnosis and remote control functions of a ship; the communication link comprises a ship-end communication terminal arranged on the ship-end system and a shore-end communication terminal arranged on the shore-end system, and communication link switching devices are arranged between the ship-end system and the ship-end communication terminal and between the shore-end system and the shore-end communication terminal. And the communication link switching device is used for evaluating the quality of the communication link and switching the communication link to the optimal communication link in a manual or automatic mode. The invention further discloses an operation control method of the system.

The invention belongs to the system technical field of storing electric energy, and discloses a space electromagnetic energy collection system and a method based on AM / FM and TV signals, which are composed of an energy source, namely AM / FM dispersed in space, a space electromagnetic energy of TV signals, an energy collection module and a load. The energy collection module collects the space electromagnetic energy of AM / FM and TV signal, and through a certain circuit conversion, to achieve the energy storage, and provides the corresponding interface, connected with the load, to power the load.The invention can realize the system energy self-sufficiency, ensure the continuous and uninterrupted work of the system, and is not influenced by the insufficient energy. At the same time, it realizes the recycling of energy and saves resources. Collect and utilize the electromagnetic energy of AM / FM and TV signal which widely exist in the space to realize the recycling utilization of energy andsave resources; So that the equipment is not limited to the lack of power, easy to miniaturization of equipment, integrated development.

The invention relates to a city-class intelligent parking comprehensive management system based on an information technology. The city-class intelligent parking comprehensive management system comprises city parking resources, an intelligent parking management subsystem and a subsystem external component; information between the intelligent parking management subsystem and the subsystem external component can be exchanged in real time; the intelligent parking management subsystem is composed of four modules and seven sub-modules for information collection, processing, exchange and publishing;and the subsystem external component comprises a city-class intelligent traffic platform, and data of the city-class intelligent traffic platform and the intelligent parking management subsystem are exchanged to form a data closed loop. Through the city-class intelligent parking comprehensive management system, the city parking resources are rationally dispatched, utilized and constructed, and thus intelligent transportation integrated development is promoted.

The invention discloses a coherent laser ranging chip and a system thereof, tThe chip comprises a substrate, and a light source modulation unit, a transceiving unit, a mixing conversion unit and a waveguide which are prepared on the substrate, and the light source modulation unit; the transceiving unit and the mixing conversion unit are connected through the waveguide; the light source modulationunit is used for outputting modulated signal light and reference light, and the signal light passes through the transceiving unit and then irradiates a target object to form reflected signal light; and the mixing conversion unit is used for receiving the reference light and the reflected signal light, and converting and detecting the reference light and the reflected signal light to obtain a ranging signal. According to the invention, the substrate is adopted, the light source modulation unit, the transceiving unit and the mixing conversion unit are prepared and formed on the substrate to complete the acquisition of a target object ranging signal, and the waveguide formed on the substrate is adopted to achieve the transmission of an optical signal among the units. Therefore, a chip can beadopted to realize acquisition of a ranging signal, and miniaturization and chip formation of coherent ranging are achieved.

The invention provides a JCD integrated device integrated with VDMOS and a preparation method thereof, and belongs to the technical field of power semiconductor integration. The manufacturing of JFET,CMOS and VDMOS on the same chip is realized by the invention for the first time; meanwhile, passive elements such as a poly capacitor, a poly resistor and a poly diode can be integrated with the JFET, CMOS and VDMOS to form a circuit. The advantages of high-switch speed and high voltage resistance of the VDMOS, excellent simulation characteristics, low-noise characteristics, temperature stabilityand anti-radiation capability of the JFET devices, high integrality of the CMOS part and the like are integrated by the invention; meanwhile, high flexibility is brought to the power circuit design.The whole process provided by the invention uses relatively few mask templates; the process level reusability is high; the manufacturing cost control is facilitated; the high-low-voltage compatibility, high performance, high efficiency and high reliability are realized on a limited chip area; the chip manufactured by using the JCD integration technology has good comprehensive performance and is favorable for the development of the single chip power system integration.

The invention discloses a Chinese-style cheese hotpot condiment and a preparation method thereof. The preparation method of the Chinese-style cheese hotpot condiment comprises the following steps of: taking 40-50 % by weight of cheese, 23-26% by weight of edible oil, 7-8% by weight of cooking wine, 9-11% by weight of fermented glutinous rice, 4-6% by weight of rock sugar, 3-4% by weight of salt, 0.4-0.6% by weight of aginomoto, 0.4-0.6% by weight of chicken powder and 0-3% by weight of spice, and boiling for 3-5minutes at 60-130 DEG C, wherein the content of the final total solids is 60-80g / 100g, the acid value is 0-4mg / g, the peroxidation value is 0-312.5meq / kg, and the optimum ratio of the solid to water in the compounding process is 1:3. The Chinese-style cheese hotpot condiment is soft and pure in taste, proper in creamy flavor, rich in nutrition and unique in flavor and taste.

The invention discloses a selenium-rich naan and a preparation method thereof, and belongs to the technical field of food. The selenium-rich naan disclosed by the invention comprises the following raw materials: selenium-rich wheat flour, selenium-rich wheat germs, yeast, table salt, milk, eggs, vegetable oil and sesame. The selenium-rich naan prepared by the preparation method not only endows traditional naan with nutritional functions, but also can effectively supplement selenium elements to human bodies; moreover, a new thought is provided for research and development of the naan, the variety of naan products is enriched, and diversification of the Xinjiang naan products is promoted.

The invention provides an intelligent water intake and drainage pipeline assembly based on the Internet of things and a management system thereof. The intelligent water intake and drainage pipeline assembly structurally comprises a water intake and drainage pipeline assembly, a background main control console, an automatic calculation module, an information input module, a processor, an automaticalarm module and a handheld mobile controller, wherein the water intake and drainage pipeline assembly is connected with the background main control console, the background main control console is connected with the processor, the processor is connected with the automatic calculation module, the information input module and the automatic alarm module, and the handheld mobile controller is connected with the water intake and drainage pipeline assembly, the background main control console and the automatic alarm module in a wireless mode. The intelligent water intake and drainage pipeline assembly has the advantages that 1) mechanized automatic irrigation is adopted, the water is efficiently utilized, and water and soil erosion is effectively reduced; 2) the management efficiency is greatlyimproved, and the manpower resource input and labor cost are reduced; and 3) remote, automatic and large-scale management is achieved.

The invention belongs to the technical field of material preparation, and particularly discloses a preparation method and application of a porous titanium alloy material modified by a plasma spraying composite coating. The preparation method comprises the following steps that (1) pretreating the titanium alloy material: specifically, subjecting a titanium alloy sheet to sand blasting roughening treatment for standby application; (2) carrying out ball milling and granulation; (3) preparing a coating by atmospheric plasma spraying: clamping the pretreated titanium sheet on a metal cylinder, and spraying a composite powder in the step (2) onto the titanium sheet by using a plasma spraying method; and after spraying, naturally cooling to room temperature, sequentially carrying out ultrasonic cleaning on the coating by using absolute ethyl alcohol and deionized water, and sterilizing by using a high-pressure steam sterilization method for later use. The method is mainly used for preparing the porous titanium alloy material, and the problem that in the prior art, after a metal bone substitute material is implanted into a human body, cytotoxicity is large, and inconvenience is easily caused to a patient is solved.

The invention relates to an integrated two-dimensional actuator applied to the adjustment of the focal plane of a space optical camera, including: a focusing unit and a bias flow unit; wherein, the focusing unit includes: an eccentric shaft, a stepping motor, a worm, a worm wheel, and a worm Box support, slider seat, encoder support, focusing encoder, focusing base and mechanism frame; bias current adjustment unit includes: worm, screw shaft, worm wheel, base, shift fork, bias current adjustment encoder , optical axis, nut and stepping motor, fork seat, focal plane, focusing base. The integrated two-dimensional actuator applied to the adjustment of the focal plane of the space optical camera of the present invention promotes the integrated development of optical remote sensors and provides technical support for realizing the development of aerospace products in the direction of integration.

The invention provides a prefabricated embedded coil pipe composite ecological wall heat storage and release system which comprises a south side heat collection module, a north side heat release module and a pipeline flow system, and the south side heat collection module comprises a south side decoration layer, a south side main body wall, a south side heat preservation layer, a heat storage layer, a heat collection plate, a heat collection coil pipe and a PC plate which are sequentially arranged from inside to outside; the north side heat release module comprises a north side decoration layer, a heat release coil pipe, a north side main body wall, a north side heat preservation layer and a plaster layer which are sequentially arranged from inside to outside; the pipeline flow system comprises a conveying pipeline and a circulating water pump, and the conveying pipeline is used for connecting the heat collection coil pipe and the heat release coil pipe. By means of the pipeline flow system and the composite wallboard structure, good heat collection and storage performance can be obtained, and the effective utilization of solar radiant heat is achieved. The system has good heat release performance, heat can be effectively conveyed into a room, the indoor temperature is increased, the heat supply duration is greatly shortened, and primary energy consumption is reduced.

A double-clad SPR temperature sensor relates to a liquid-filled D-type hollow-core double-clad optical fiber SPR temperature sensor, which belongs to the field of optical communication and optical fiber devices, and is an expansion of the SPR-based optical fiber temperature sensor, and its principle is simple , high sensitivity, small structure, light weight, relatively simple, flexible and low cost in manufacturing process, suitable for temperature detection in various environments. The liquid-filled D-type hollow-core double-clad fiber SPR temperature sensor is coated with a metal film (4) on the inner wall of the D-type hollow core area (3) of the special D-type hollow-core double-clad fiber, and filled with high-temperature light coefficient of the liquid material. Using the thermo-optic effect of the filled liquid material, when the external temperature changes, its refractive index will change greatly, resulting in a large shift and change of the corresponding SPR loss spectrum, so as to achieve the purpose of high-sensitivity temperature measurement.

The invention provides a foldable loudspeaker box with a damping function, which comprises a shell, a base and a cover body, wherein the shell is provided with a PCB board and a telescopic assembly used for driving the shell to extend and retract; the telescopic assembly is provided with a telescopic fixing frame; a camera module is arranged on the PCB board; a rotating key, which is in contact communication with the PCB board, and an imaging key are arranged on the shell; the PCB board is in communication connection with the camera module; the base comprises a base body and a fixing frame; the base body and the fixing frame are fixedly installed together; a mounting groove used for mounting the shell is formed in the top end of the base body; the mounting groove is uniformly formed in thetop surface of the base body; and the cover body is detachably arranged at the top of the shell. The foldable loudspeaker box has a good damping effect, so that the generated vibration can be effectively cancelled; meanwhile, the loudspeaker box is convenient to fix; due to a foldable design, space can be saved, and multiple transformation modes exist; and real-time panoramic monitoring can be realized.

The invention provides a flat top pulse strong magnetic field generating device and method for a terahertz gyrotron, including: before discharging the magnet, charging and storing energy to the supercapacitor bank and the first high-voltage capacitor bank; when discharging the magnet, firstly controlling the first high voltage The capacitor bank discharges the magnet; when it is detected that the magnet current reaches the set value, the multi-phase interleaved parallel DC / DC converter starts to work, and the super capacitor bank discharges the magnet through the multi-phase interleaved parallel DC / DC converter, according to the first high voltage The terminal voltage of the capacitor bank and the magnet current are state-controlled, and the duty cycle of the PWM control signal of the multi-phase interleaved parallel DC / DC converter is changed to perform negative feedback control on the magnet current to offset the influence of the voltage drop of the supercapacitor bank and the increase of the internal resistance of the magnet , to stabilize the magnet current at the set value; when the set flat-top duration is reached or an abnormal situation occurs, the multi-phase interleaved parallel DC / DC converter is turned off. The invention improves the comprehensive performance of the flat-top pulsed magnetic field.

The invention provides a miniature free piston generator with a compound combustion chamber structure. The miniature free piston generator comprises a hydraulic cylinder and a temperature difference power generation device; a first miniature free piston power device is located on an axis of a machine body, and a plurality of second miniature free piston power devices are uniformly distributed in the circumferential direction of the axis of the machine body; a plurality of air inlets and a generator exhaust port are formed in the machine body, and the exhaust port of the generator communicateswith an inner cavity of the machine body; the hydraulic cylinder comprises a first piston rod, a second piston rod and a hydraulic cavity, wherein the hydraulic cavity is connected with the machine body, the first piston rod and the plurality of second piston rods are arranged in the hydraulic cavity, and a piston body of the first miniature free piston power device is in linkage with the first piston rod; piston bodies of the second miniature free piston power devices are in linkage with a second piston rod; and the temperature difference power generation device is arranged in the machine body. According to the generator, mechanical energy of piston movement can be directly converted into electric energy so as to obtain a relatively high energy conversion rate; and preheating is carried out on the mixed incoming air by utilizing high-temperature waste gas.

The invention provides an offshore wind power unit foundation. The offshore wind power unit foundation comprises a foundation body and an artificial fish reef; the artificial fish reef comprises a pouring jacket; the pouring jacket is a container and surrounds the foundation body; and a plurality of holes penetrating through the wall of the container are formed in each of the vertical side face and the top of the pouring jacket. Compared with related technologies, the offshore wind power unit foundation provided by the invention has the advantages that aiming at the characteristic of isolated layout of the wind power unit foundation, a set of pouring jacket which can adapt to the type and size of a single-pile type foundation is researched to form the artificial fish reef; for reducing the influence of seawater flow on oviposition and rest of fishes, a stable and quiet environment is provided for the oviposition and rest of the fishes by designing energy dissipation hemispheroids; the economy, practicability and function maximization of the artificial fish reef are achieved; and the integrated development of the offshore wind power unit foundation and the artificial fish reef is promoted.