132results about How to "High structural integration" patented technology

The invention belongs to the technical field of bionic robots, and particularly relates to an underactuated lightweight human-simulated five-finger dexterous hand. The underactuated lightweight human-simulated five-finger dexterous hand comprises a palm, five fingers, five finger bending and extension driving mechanisms, five rope transmission mechanisms and a thumb rotation driving mechanism, wherein the five fingers include a thumb, an index finger, a middle finger, a ring finger and a little finger which are installed on the palm in sequence by virtue of fixed seats; the five finger bendingand extension driving mechanisms are respectively installed on the five fixed seats and are respectively used for supplying power to the bending and extension of the five fingers; the five rope driving mechanisms are respectively installed in the five fingers and are connected with the corresponding finger bending and extension driving mechanisms, and the fingers are driven to bent and extend bythe finger bending and extension driving mechanisms through the rope driving mechanisms so as to form underactuation; and the thumb rotation driving mechanism is installed in the palm and is used fordriving the thumb to rotate. The underactuated lightweight human-simulated five-finger dexterous hand has the characteristics of the simple and compact structure, light weight, low cost, modular design, easiness in removal and replacement, high integration level, multiple degrees of freedom, small size, flexibility, good stability and the like, and the size of the underactuated lightweight human-simulated five-finger dexterous hand is similar to that of a hand.

An integrating sphere transmission radiometer for ontrack spectrum radiation absolute calibration for a remote sensor belongs to the field of ontrack spectrum radiation calibration for a remote sensor. The radiometer comprises an integrating sphere main body, an optical filter detector module and a photoelectric measuring module. The integrating sphere main body is equipped with two openings inside. Reflected light enters, through the two openings, the optical filter detector module and the photoelectric measuring module that are fixed outside the integrating sphere main body. Diffuse reflection paint coats the inside of the integrating sphere main body. The integrating sphere transmission radiometer has the capability of measuring low-power signals in a highly precise manner, exhibits the stable performance for a long period of time, and can serve as a standard space ontrack traceablility low temperature radiometer. The integrating sphere transmission radiometer has the characteristics of converting a power reference into a radiance reference and exhibiting high resolution and low uncertainty reference transmission, so the problem of high-precision ontrack traceablility to SI spectrum radiance absolute calibration for an imaging spectrometer, a satellite remote sensor load and the like is well solved.

The invention relates to a humidification system and method for a fuel cell, and a fuel cell system. The humidification system comprises a voltage and current sensor, which is connected with the poweroutput end of a fuel cell stack and used for collecting the output current and the output voltage of the fuel cell stack; an air flow meter, which is arranged on an air inlet pipeline of an air supply system of a fuel cell stack system and used for collecting air flow signals entering the fuel cell stack; an exhaust tail gas circulation valve, with one end connected with the outlet of the air supply system of the fuel cell stack system and the other end connected with the air inlet of an air compressor of the air inlet pipeline; and a humidity controller, which is separately connected with the voltage and current sensor, the air flow meter and the exhaust tail gas circulation valve and used for estimating the internal resistance of the fuel cell stack according to the output current and the output voltage of the fuel cell stack and adjusting the openness of the exhaust tail gas circulation valve according to both the internal resistance of the fuel cell stack and the flow of air entering the fuel cell stack. Compared with the prior art, the humidification system of the invention has the advantages of high integration level, low cost, small size and the like.

The invention discloses a grinding device for anti-corrosion pipeline production, and relates to the technical field of grinding. The grinding device comprises a base and further comprises a grinding assembly arranged on the base, the grinding assembly comprises a fixing frame fixedly installed on the base, one side of the fixing frame is connected with a multi-mode grinding mechanism, the multi-mode grinding mechanism comprises an end grinding disc rotationally connected to the fixing frame, the end grinding disc rotates to grind the end of an anti-corrosion pipeline, the side, away from the fixing frame, of the end grinding disc is connected with an inner and outer wall grinding device, the inner and outer walls of the pipeline are ground through the inner and outer wall grinding device, and a second driving part used for driving the multi-mode grinding mechanism is fixedly arranged on the fixing frame. According to the grinding device for anti-corrosion pipeline production, by arranging a pipeline clamping mechanism, the anti-corrosion pipeline can be rapidly clamped and fixed, by arranging the end grinding disc and the inner and outer wall grinding device, the end, the inner wall and the outer wall of the pipeline can be rapidly and selectively ground, the grinding efficiency is high, the structural integration degree is high, and the occupied space is small.

The invention provides a coaxial-type dual-motor electric drive axle. According to the coaxial-type dual-motor electric drive axle, the power of a whole vehicle cannot be interrupted in the gear shifting process of an electric vehicle, the driving comfort and safety are guaranteed, dual motors can achieve driving through gear combinations with the different speed ratios by means of a speed changer, the structural integration level is high, and installation is convenient. The coaxial-type dual-motor electric drive axle comprises a differential and a first wheel and a second wheel which are arranged on the two sides of the differential respectively; the two output sides of the differential are connected with the first wheel and the second wheel through half shafts respectively, a main speed reducing gear is connected to an input ring gear of the differential in a meshed and sleeving mode, the two half shafts are sleeved with a corresponding first motor and a corresponding second motor respectively, both a first motor shaft of the first motor and a second motor shaft of the second motor are a hollow shaft, the corresponding half shafts penetrate through the center of the first motor shaft and the center of the second motor shaft respectively, the output end of the first motor shaft is sleeved with a first input gear, and the output end of the second motor shaft is sleeved with a second input gear.

The invention discloses a purification method for oilfield reinjection water. According to the method, at least one level of membrane filtration treatment is carried out on oilfield produced water through a cellular carrier type inorganic carbon membrane component so as to prepare the reinjection water suitable for low permeability and extra-low permeability oil reservoirs, wherein the filter precision of the membrane component for membrane filtration treatment is 0.001-100mu m. The purification method has high filtration accuracy, the membrane flux of the compound carbon membrane carrier is large, the capacity of the membrane in resisting oil contamination is strong, the integration level of the structure of the membrane core is high, the quality of the prepared reinjection water is stable, and fine filtrated oilfield reinjection water meets the requirement of the reinjection water for the oil reservoirs in low permeability and extra-low permeability block, and meets the A-grade standard of 'recommended index and analysis method for quality of oil reservoir injection water of clastic rock' (SY / T 5329-94).

The invention provides logging equipment and a coring and sampling method. The logging equipment comprises a main body, a sampling mechanism, a coring mechanism and an electronic control device. The sampling mechanism comprises a probe and a first push and backup arm retractably arranged on the two opposite sides of the main body. The coring mechanism comprises a coring drilling bit and a second push and backup arm retractably arranged on the two opposite sides of the main body. The electronic control device is used for controlling the main body, the sampling mechanism and the coring mechanismto carry out the sampling and coring operations, wherein the second push and backup arm can be used as a reverse push and backup arm of the sampling mechanism, and the first push and backup arm can be used as a reverse push and backup arm of the coring mechanism. According to the logging equipment and the coring and sampling method, the logging equipment which can complete coring and sampling operations at the same time by going down to a well once is achieved, and the first push and backup arm and the second push and backup arm can be correspondingly used for carrying out reverse push and backup operations, and the self-clamping-removal operation in the coring and sampling process is realized respectively. The logging equipment is easy and convenient to operate, the logging efficiency iseffectively improved, and the cost is reduced.

The invention discloses a coaxial type electric drive axle suitable for an electrombile. The coaxial type electric drive axle comprises a motor, a planetary reducer, a clutch and a differential mechanism. The motor, the planetary reducer and the differential mechanism are arranged coaxially and sequentially. The motor communicates with the planetary reducer. The planetary reducer is of an adjustable speed ratio structure. The clutch is arranged between the planetary reducer and the differential mechanism and is used for switching on and switching off a power transmission chain. The planetary reducer comprises a one-level planetary reducer and a two-level planetary reducer. One end of the one-level planetary reducer is connected with the motor. The other end of the one-level planetary reducer is connected with a two-level planetary reducer gear. The one-level planetary reducer and the two-level planetary reducer form the adjustable speed ratio structure. Output of different torque is achieved by adjusting the speed ratio. The coaxial type electric drive axle is compact in structure, high in integration level and high in transmission efficiency, transmitted torque is large, and the shell structure is simple.

The invention discloses a liquid-cooled board card module for multipoint temperature monitoring. The liquid-cooled board card module comprises a runner cover plate, a cooling board module, a sensor flexible assembly, a heat-conducting colloid, a heat-conducting copper plate and a circuit board card. The liquid-cooled board card module provided by the invention adopts a structure combining the cooling board module, the sensor flexible assembly, the heat-conducting colloid, the heat-conducting copper plate and the circuit board card, wherein a sensing signal plug of the circuit board card is connected with a sensing signal socket of the sensor flexible assembly in a plug-in way; a plurality of heating devices of the circuit board card correspond to a plurality of bulges of the heat-conducting copper plate and heat-conducting nodes of the sensor flexible assembly in a one-to-one correspondence way. The liquid-cooled board card module for multipoint temperature monitoring provided by the invention solves the problem of carrying out multipoint monitoring and heat radiating on a chip and the heating devices on a printed board, and has the advantages of high structure integration level, multiple monitoring points, good heat radiating effect and high universality.

The invention discloses a storage and taking tank body of a building delivery system. The storage and taking tank body comprises a shell, a rotary storage cabinet and a mechanical hand used for grabbing packages. The rotary storage cabinet and the mechanical hand used for grabbing packages are arranged in the shell. The shell is provided with a storage port and a taking port. A plurality of storage boxes with different sizes are evenly distributed on the rotary storage cabinet. The rotary storage cabinet is connected with a driving mechanism. The mechanical hand is located on the inner side wall of the shell, and a driving sliding mechanism is connected to the mechanical hand. The mechanical hand relatively moves on the inner side wall of the shell under the effect of the driving sliding mechanism. The outer side wall of the shell is further provided with an information input end. By means of reasonable structure arrangement of the storage cabinet and storage and taking mechanism components, intelligent storage is achieved, the phenomenon that storage cabinet resources are not enough or storage cabinet resources are wasted in the prior art is avoided, good storage cabinet using service is provided for users, and the storage and taking tank body is simple in structure, small in space occupation rate, high in utilization rate and good in using value.

The invention discloses a purifying method of condensed water. The purifying method comprises the steps of adopting a honeycomb-shaped carrier type inorganic carbon membrane assembly to carry out at least one stage of membrane filtering treatment on high-temperature condensed water, wherein the filtering accuracy of the membrane assembly treated by membrane filtering is 0.001-100mum, and preparing the boiler supplementing water suitable for recycling. The purifying method disclosed by the invention has the advantages that the filtering accuracy is high, the membrane flux of a honeycomb-shaped carrier type membrane core is large, the impact resistance of incoming water is strong, the resistance to oil pollution is strong, the integration level of the membrane core structure is high, the preparation method is simple, a complex online discrimination system is not needed, and the prepared condensed water is stable in quality and high in temperature, meets the requirement on water quality of the boiler supplementing water and saves a great amount of heat.

The invention relates to a fresh air temperature and humidity control system which comprises an outdoor control part and an indoor control part which communicate with each other. The outdoor control part comprises a compressor, a four-way valve and a first heat exchanger; and the indoor control part comprises a second heat exchanger, a third heat exchanger and a switching valve. A fresh air conditioner comprises the fresh air temperature and humidity control system. A fresh air dehumidification air temperature control method is suitable for the fresh air temperature and humidity control system or the fresh air conditioner; the control system monitors the outlet air temperature tc and the return air temperature t through a temperature sensor; and the control method comprises a constant-temperature dehumidification method and an isothermal dehumidification method. According to the control system and the fresh air conditioner provided by the invention, the functions are complete, the structural integration degree is high, the energy efficiency is high, refrigeration, heating and dehumidification of fresh air can be achieved, the dehumidification effect is good, the air outlet temperature cannot be too high or too low, the somatosensory comfort degree is good, the temperature of dehumidified outlet air can be further adjusted through the control method, and the somatosensory comfort degree is improved.

The invention discloses a wavelength-tunable directly modulated silicon-based external cavity laser. A reflective semiconductor optical amplifier of the directly modulated external cavity laser is connected to a phase shifter through a silicon-based spot size converter and then is connected to an input end of a narrow passband filter; an output end of the narrow passband filter is connected to theinput end of a micro-ring modulator; a download end of the micro-ring modulator is connected to the input end of a first reflector; and a through end of the micro-ring modulator is connected to a second reflector. According to the wavelength-tunable directly modulated silicon-based external cavity laser, a filter structure is formed through cursor effects of the narrow passband filter and the micro-ring modulator to obtain laser light with a wide tuning range and a narrow linewidth, and meanwhile, output light is modulated. The micro-ring modulator has dual functions of filtering and modulating and has the advantages of high structure integration, low manufacturing cost and low energy consumption.

The invention relates to a cylindrical steel shell battery and a manufacturing method thereof, and belongs to the technical field of energy storage power batteries of new energy automobiles. The battery comprises a positive electrode cover plate, a positive electrode collector plate assembly, a full-tab roll core, a steel shell, a negative electrode collector plate assembly and a negative electrode cover plate, the negative electrode cover plate is located at the negative electrode end of the steel shell, the full-tab roll core welded with the positive electrode collector plate assembly and the negative electrode collector plate assembly is located in the steel shell, the positive electrode cover plate is located at the positive electrode end of the steel shell, the positive electrode collector plate assembly and the periphery of the positive electrode cover plate are sealed by laser welding, and the negative electrode collector plate assembly and the periphery of the negative electrode cover plate are sealed by laser welding. According to the invention, the large-current charge-discharge performance of the battery can be improved, battery accessories are simplified, the cost is reduced, the space of inactive substances in the battery is reduced, the volumetric specific energy and gravimetric specific energy of the battery are improved, a sealed formation process is realized, formation gas can be eliminated, the structure of formation equipment is simplified, and the environment control cost is reduced. The working environment is clean and pollution-free.

The invention provides an electric drive axle decelerating after output of coaxial dual motors. In a shifting process of an electric automobile, power of the whole automobile cannot be interrupted, and comfort and safety of automobile traveling are ensured. The electric drive axle comprises a differential mechanism, a first wheel and a second wheel, wherein the first wheel and the second wheel are respectively arranged on two sides of the differential mechanism; two output sides of the differential mechanism are connected with the first wheel and the second wheel through half shafts; the differential mechanism comprises a main reduction gear; a first motor and a second motor correspondingly sleeve the two half shafts respectively; a first motor shaft of the first motor and a second motor shaft of the second motor are hollow shafts; the corresponding half shafts respectively penetrate in the center of the first motor shaft and the center of the second motor shaft; two input gears are fixedly mounted at a corresponding output end, which is close to the differential mechanism, of each motor shaft, the corresponding positions of each two input gears are respectively connected with two corresponding output gears in an engaged manner, and each two output gears are fixedly mounted on the same output shaft.

The invention belongs to the technical field of metal material processing, and relates to a device of a multi-field coupling refined metal solidification structure and a refining process thereof. An induction coil generates a thermocouple effect to heat molten metal, a temperature recorder records the molten metal temperature detected by a thermocouple, after the molten metal is melted, a stirringrod is descended ,a rotating speed controller is turned on to carry out mechanical stirring on the molten metal, an electrode is descended, a pulse power supply is turned on, pulse current is introduced into the molten metal, the pulse power supply, a rotating speed controller and an induction heating instrument are used for adjusting the pulse current size, the stirring speed of the stirring rodand the heating speed of the induction coil, and an electric field, a force field, a thermal field and a magnetic field are coupled in a multi-field mode and act on the molten metal together, so thatthe nucleation is promoted, the dendritic crystal is broken, and refined grains are refined; the device structure of the multi-field coupling refined metal solidification structure is highly integrated, so that the molten metal processing process is optimized, the processing time is shortened, the cost is saved, and meanwhile the problem that existing molten metal refining processing technology is single is solved.

The invention relates to a construction method and device of a metadata model, computer equipment and a storage medium, and the method comprises the steps: enabling the computer equipment to obtain type domains of unstructured data of various business domains of an enterprise and a first association relationship among the type domains, and then constructing a data association model according to the business domains, the type domains and the first association relationship; And obtaining metadata of the unstructured data according to a preset tetrahedral model, and then adding the metadata intothe data association model to construct a metadata model. By adopting the method, the integration level of the metadata model can be higher, the maintenance is easier, and the construction efficiencyof the model is improved.

The invention discloses a range extender system which is used for charging a storage battery and providing power for a whole car through a motor. The range extender system comprises an underframe, anengine, an air intake system, a heat dissipation system and an electrical system. The air intake system, the heat dissipation system and the electrical system are all closely integrated in an internalspace of the underframe. The range extender system provided by the invention is high in integration degree and small in occupied space.

The invention discloses an oxidation reaction system for preparing 3-amino-4-methoxybenzanilide, which can realize steam heating and condensation cooling in the same jacket, greatly reduce the complexity of heating and cooling equipment of a reaction kettle and reduce the occupied area of the equipment. Nitrogen oxide treatment equipment is tightly attached to the outer side of the reaction kettle, so that the structural integration degree is high; the equipment is close to an exhaust port, long-distance conveying is not needed during waste treatment, gas temperature reduction is avoided, heat energy dissipated out of the reaction kettle can be fully utilized, the catalytic decomposition effect of a nitrogen oxide catalytic decomposition module is improved, and the tail gas safety is improved. The system is further provided with an alkali liquor absorption tank which can absorb nitrogen dioxide and hydrogen chloride gas which are not treated completely, and the tail gas safety is further improved. A controller automatically controls all valves and equipment to automatically complete control and treatment of the whole reaction process and the emergency process, manual operation isnot needed, the efficiency is improved, and meanwhile operators are protected against threats of waste gas, high temperature and explosion hidden dangers.

The invention discloses a feeding module and a bottle cleaning and beverage brewing machine, and the bottle cleaning and beverage brewing machine comprises: a feeding module which is used for arranging bottles to be cleaned and conveying the bottles to be cleaned to a cleaning module one by one; abase module which is used for driving the cleaning module to rotate and supplying water and air to thecleaning module; acleaning module which is used for cleaning the bottles; atransferring module which is used for transferring and rotating the bottles; astorage module which is used for storing the cleaned bottles and inputting the bottles into the brewing module one by one; and the brewing module which is used for injecting water into the bottles one by one and used for brewing beverage powder and completing brewing of the beverage. The feeding module and the bottle cleaning and beverage brewing machine integrate bottle cleaning and automatic milk brewing functions, is relatively simple in structure and small in size, can be suitable for small and medium-sized pet farms, infant welfare homes, small and medium-sized beverage shops and the like, and basically realize automation in the whole process, so that the labor cost can be greatly reduced, the beverage quality can be effectively controlled, and the quality stability is guaranteed.

The invention belongs to the technical field of vote counting machines, and discloses an intelligent vote counting all-in-one (AIO) machine. The AIO machine comprises a high speed reader, a data processing terminal, which is arranged above the high speed reader, and a paper out chamber arranged in the paper outlet of the high speed reader; wherein the paper out chamber has a telescoping structure and comprises lateral plates. Compared with the prior art, the AIO machine has the advantages that the data processing terminal and the high speed reader are integrated, the integration degree is high, the stability is strong, and more direct sense and better operation experience are provided for the users. Furthermore, the paper out chamber is provided with a telescoping plate and a baffle plate, the length of the telescoping plate can be adjusted according to the size of a vote, and thus the AIO machine is suitable for various votes. Moreover, the paper out chamber can be folded and stored in a groove, the occupied space is small, and the storage is convenient. Two sides of the paper out chamber are provided with a lateral plate along the paper out direction, the votes can be guided, and the disorder of votes can be avoided. The lateral plates are positioned by an L shaped plate, the structure is simple, the cost is low, and the folding and unfolding are simple and labor-saving.

The invention relates to a vehicle rear frame assembly, which comprises a rear side wall inner plate casting and a top cover rear cross beam connected to the rear side wall inner plate casting. The rear side wall inner plate casting comprises a rear side wall inner plate and a D column joint which are cast into a whole, and the top cover rear cross beam is connected to the rear side wall inner plate casting through the D column joint. According to the vehicle rear frame assembly, the casting process design is adopted, a plurality of parts in the prior art are integrated, the structural integration degree is high, the number of the parts is reduced, and the assembling precision is improved.

The invention relates to a communication early-warning machine which solves technical problems that existing communication early-warning machines are large in size, high in power consumption, low in integration level and incapable of setting warning priorities. The machine comprises a master control unit, a power module, a key processing unit, a GPRS / GSM (general packet radio service / global system for mobile communications) module, an audio mixing unit, a speech synthesis unit, an interphone module, a microphone processing unit, a recording and playback unit, a power amplification module and a frequency modulation transmission station, wherein the master control unit is provided with an SPI (serial peripheral interface), and the GPRS / GSM module, the speech synthesis unit and the recording and playback unit are connected with the SPI respectively; the audio mixing unit is connected with the GPRS / GSM module; the speech synthesis unit, the interphone module and the microphone processing unit are arranged between the audio mixing unit and the master control unit respectively; the recording and playback unit, the power amplification module and the frequency modulation transmission station are connected with the audio mixing unit respectively; the speech synthesis unit comprises an XFS4041A chip and an XFS4041B chip. The machine is widely applied to prevention and treatment engineering of water conservancy, meteorology, geological disasters and the like.

The invention belongs to the related field of material conveying and quality monitoring, and discloses a flexible film tension deviation rectification control system which comprises a tension measuring roller, a deviation rectification frame, a driving mechanism, a driving motor and a deviation rectification controller, wherein the tension measuring roller is jointly formed by a total tension detection unit and a tension distribution detection unit which are connected into a whole horizontally, and measures to obtain total tension and tension distribution signals during conveying of the flexible film; the deviation rectification controllers calculates a control voltage corresponding to output based on the tension distribution signal and controls the driving motor to rotate by a corresponding corner, so as to drive the driving mechanism to rotate synchronously; and the deviation rectification frame converts the rotating movement of the driving mechanism into the deviation rectification action of the tension measuring roller, thus completing the overall deviation rectification process. According to the invention, not only can synchronous high-precision measurement on total tension and tension distribution be realized, but also deviation rectification control can be realized based on the tension distribution signal, and correspondingly, the quality and precision of final deviation rectification control can be remarkably improved.

The invention discloses a high-integration charger power unit. The high-integration charger power unit comprises a frame, a water-cooling substrate arranged on the frame and a power unit arranged on the water-cooling substrate. The power unit comprises an inverter circuit, a rectifying circuit, an RC absorption loop, an inverter input composite busbar, an AC output composite busbar and a rectifying composite busbar; the inverter input composite busbar is used for connecting direct current input of the inverter circuit, the AC output composite busbar is used for connecting alternating current output of the inverter circuit, and the rectifying composite busbar is used for connecting the rectifying circuit with an absorption capacitor of the RC absorption loop. According to the invention, theinverter circuit, the full-wave rectification circuit and an anti-reverse circuit are integrated into one power device, the product structure integration level is high, and the problems of the largeproduct volume, the high cost and the complex wiring are solved.

The invention discloses a freshwater generation device. The device comprises an air inlet pipe, a submerged type condensation pipe set and a freshwater collection barrel, the submerged type condensation pipe set is fixedly connected to the lower portion of the air inlet pipe and communicated with the air inlet pipe, an air inlet is formed in the top of the air inlet pipe, the freshwater collecting barrel is communicated with the bottom of the submerged type condensation pipe set, an air outlet pipe is arranged on the top of the freshwater collection barrel, and an outlet of the air outlet pipe is higher than the submerged type condensation pipe set. Freshwater is obtained from air by means of the temperature difference, and the basic physiological requirements of people in the activity implementation process in a water-free area can be met. Accordingly, few parts are used, processing and assembling are easy, and the integration level is high, so that the structure is simple, carrying and transferring are easy, the device is very suitable for a small team to use, the mobility of steam action is improved conveniently, manufacturing is easy, the capital investment in production is small, and the operation and maintenance cost in the use process is low, so that the cost is low, the use cost-benefit ratio is high, and the device has the advantages of being easy to install, low in energy consumption and flexible in usage mode.

The invention discloses an instantaneous current control system of a hybrid energy storage power supply, and belongs to the field of DC power supply energy storage. The control system comprises a hybrid energy storage power supply, a DC / AC inverter, a current detection module, a digital control module and a voltage detection module, wherein the current detection module is used for detecting a current of a load and sending the current to the digital control module, the voltage detection module is used for detecting port voltages of a storage battery pack and a supercapacitor bank in the hybrid energy storage power supply and sending the port voltages to the digital control module, the digital control module is used for driving the DC / AC inverter according to the port voltages of the storage battery pack and the supercapacitor bank and an instantaneous current required by the load, and the hybrid energy power supply is used for providing the instantaneous current for the DC / AC inverter. A steady-state current is output through the storage battery pack, a peak current is output through the supercapacitor, the running ranges of the port voltages of the storage battery pack and the supercapacitor bank are fully considered, and the system has the advantages of high efficiency, high controllability and longer service lifetime, and is applicable to an occasion of an impact load.

The invention relates to a double-closed-magnetic-circuit bend electromagnetic track transfer guide device which comprises a guide motion part and an electromagnetic excitation source part. The electromagnetic excitation source part is composed of two electromagnets, an upper bend magnetic conductive track, a lower bend magnetic conductive track and a middle spacer ring. The upper bend magnetic conductive track and the lower bend magnetic conductive track are in a vertical installation structure form and are bonded to the middle spacer ring to form a whole through epoxy glue and fastened to the end face on one side of an outer track through screws, and therefore the upper bend magnetic conductive track and the lower bend magnetic conductive track become a part of the outer track. By the adoption of the device, track transfer of a locomotive when running on a bend is achieved, and guidance is stable and controllable.

The invention relates to a compact type high-propelling-ratio underwater robot comprising a robot main body, propulsion devices, an illumination device and a power supply device. A first seal ring is arranged between a hemispherical cover and a flange, a second seal ring is arranged between the flange and a cabin body, and a gland, the hemispherical cover, the flange and the cabin body are fixed into a sealed whole through bolts, so that the seal performance of the cabin body of the robot is guaranteed. A shell of the vertical propulsion device is adopted to integrate a horizontal propeller, a vertical propeller and the illumination device, the overall structures of the propellers are more compact, so that the size of the underwater robot is smaller, and additionally, through a handle design on the cabin body, much convenience is achieved. A novel ROVMAKER underwater motor is adopted, so that the submerged depth is larger, corrosion resistant capacity is very high, safety and reliability are achieved. Meanwhile, because the compact type high-propelling-ratio underwater robot is small in size and good in seal performance, the overall structure of the compact type high-propelling-ratio underwater robot has the advantages of small size, good airtightness and high propelling ratio.

The invention relates to the multichannel video long distance transmission method technology field and especially relates to a reactor pressure vessel bolt hole multi-camera video inspection device. The device comprises cameras, a multi-camera fixing support, a connection support, a data fusion plate, a connection line and a data transmission light cable. The cameras are successively and vertically arranged on the multi-camera fixing support from top to bottom. The multi-camera fixing support is mechanically and fixedly connected to the data fusion plate through the connection support. A plurality of data lines are correspondingly arranged between the cameras and the data fusion plate so that images collected by the cameras are transmitted to the data fusion plate through the data lines. The data fusion plate transmits fused data to a control terminal through an optical fiber cable for processing. In the invention, the miniature industrial cameras with a high definition are verticallyarranged, the integrated level of a photographic mechanism is increased, the structure is simplified, simultaneously the structure of the device has high fault tolerance and maintainability compared with the structure in which the cameras and data are fused and integrated.