373results about How to "Long working hours" patented technology

The invention discloses a big data deep learning-based stomach cancer pathological diagnosis support system and method. The system comprises an image data obtaining unit, an image data labeling unit, an image database construction unit, a convolutional neural network (CNN) construction unit and a convolutional neural network training unit, wherein the image data obtaining unit is used for obtaining stomach normal tissue slice images and pathological slice images of definite stomach cancer cases as input image data; the image data labeling unit is used for labeling the input image data; the image database construction unit is used for classifying and arranging the labeled image data provided by the image data labeling unit so as to construct a pathological image database; the convolutional neural network (CNN) construction unit is used for constructing a first convolutional neural network model; and the convolutional neural network training unit is used for obtaining an ideal convolutional neural network model. Through the stomach cancer pathological diagnosis support system and method, accurate and efficient intelligent slice reading can be realized so as to assistant the clinical stomach cancer pathological diagnosis work and improve the correctness, work efficiency and work persistent state.

The invention relates to an atmospheric pressure low-temperature plasma jet reactor with preionization structure, which belongs to plasma discharge reactor technical field, and the reactor is characterized in that: the device main body is a millimeter magnitude main silica tube with one open end; a part is arranged above the open end at the lower part with 15 to 25mm, and the part becomes the thinnest at 20mm part, and a ring-shaped electrode is wound on the part; a thin silica tube is connected at the closed end arranged in the inner part thereof through the closed end arranged at the upper part of the silica tube; and a needle electrode is arranged in the thin silica tube. An earthing electrode is arranged below the open end of the main silica tube; and the argon gas is filled into the needle electrode, and the oxygen gas is filled into the main silica tube. The needle electrode and the ring-shaped electrode can be exerted with the same high voltage; the needle electrode discharge can supply the seed electrons for the ring-shaped electrode discharge, and a stable glowing discharge plasma jet is arranged between the ring-shaped electrode and the earthing electrode. The reactor has the beneficial effects that the obtained plasma jet can generate high-concentration chemical activity species, and the reactor has practical value.

The invention provides a Wi-Fi display switching device and method among terminals. The device comprises an HDMI / MHL signal receiving module, a wireless audio / video signal conversion module and a wireless audio / video signal sending module, wherein the HDMI / MHL signal receiving module is used for receiving HDMI / MHL signals output from the HDMI / MHL signal output interfaces of audio / video signal sending terminals, the wireless audio / video signal conversion module is connected to the HDMI / MHL signal receiving module and is used for converting the obtained HDMI / MHL signals into wireless audio / video signals, and the wireless audio / video signal sending module is connected to the wireless audio / video signal conversion module and is used for sending the converted wireless audio / video signals to wireless audio / video signal receiving modules of audio / video signal receiving terminals. The invention further provides a device and method for interaction control over a vehicle-mounted system and smart mobile terminals based on the Wi-Fi display technology. The Wi-Fi display switching device and method among the terminals achieve the fact that wired audio / video signals are converted into the wireless audio / video signals, greatly increase the number of the smart mobile terminals supported by the Wi-Fi display, can further provide a smart mobile terminal charging function while the Wi-Fi display is carried out, and prolong the continuous working hours of devices carrying out interaction control among terminals through the Wi-Fi display.

The invention provides a multi-channel respiratory physiological signal wireless monitoring system, which comprises a sensor, a data acquisition sending terminal, a data receiving terminal and a PC and the sensor, the data acquisition sending terminal, the data receiving terminal and the PC are connected in sequence. The sensor is arranged on a diaphragm signal detection tube or a multi-functional respiratory signal detection tube of a patient; the acquisition sending terminal comprises a power supply module and a multi-channel signal amplifier module, an AD conversion module, an MCU acquisition and a transmission control module and a wireless transmission module, the multi-channel signal amplifier module, the AD conversion module, the MCU acquisition and the transmission control module and the wireless transmission module are connected in sequence. The power supply module is respectively connected with the multi-channel signal amplifier module, the AD conversion module, the MCU acquisition and transmission control module and the wireless transmission module. The receiving terminal comprises a wireless receiving module and an MCU receiving control module which are mutually connected and the MCU receiving control module is connected with the PC. The patient carrying the acquisition sending terminal can transmit 5-channel diaphragm myoelectric signal or cardiac electric signal, 3-channel respiratory pressure and flow signal to a remote monitoring center by the way of wireless, thus achieving the real-time display, storage, analysis and treatment of multi-channel signal.

The invention discloses an efficient powered deicing device for aerial power transmission and distribution cables. The efficient powered deicing device comprises a base, a power unit, a control unit, a running unit and a deicing unit, the power unit, the running unit and the deicing unit are matched in a driving manner and are respectively disposed on the base, the control unit is matched with the power unit in an electrical connection manner, and the deicing unit forms a structure in wrap-around matching with a cable. The efficient powered deicing device is of a wrap-around rotary scraper structure with the running unit which is hung on the cable, and a rotary scraper rotationally scrapes coated ice from the periphery of the cable, is suitable for scraping the coated ice from thin to thick, and is integrally light, lightweight, convenient to operate and high in working efficiency. The efficient powered deicing device is particularly suitable for removing the coated ice of glaze, mixed rime and the like strong in binding force and thick in ice layer, is convenient for mounting, demounting and adjustment on a construction site by the aid of design of multiple scrapper heads and the self-running unit, has the advantages of compact structure, light weight, convenience in remote operate and long continuous working time, and is particularly suitable for deicing operation of aerial power transmission and distribution lines in mountain areas.

The invention is concerned with portable transfusion inspector, relating to a kind of inspecting, control and alarming equipment of transfusion liquid for hospital nurse. It affords a kind of portable transfusion process monitor and control equipment with chargeable battery and small bulk, small weight, low cost and easy operation and installation. Center microprocessor cell connects in parallel with infrared ray sending circuit unit, infrared ray incepting and adjusting circuit unit, drive and checking circuit unit for motor, power management circuit unit, chargeable battery, battery checking circuit unit, key-press circuit unit, indicator light circuit unit, sound circuit unit, compound joint and wireless communication circuit unit. The center microprocessor unit solidifies the monitor method of portable transfusion monitor and fits for the transfusion monitor field, such as hospital, community medical treatment and individual family with good market future.

The present invention discloses a flat-belt driven disc separator, comprising a power part, a driving part, a lubrication system, a working part, a machine part and a control and assisting part. In addition to that the requirements of the function and performance of the separator is satisfied, the driving system is largely simplified, the driving path is brief, the quantity of driving components is largely reduced and the technical requirement of processing is lowered; regular replacement of expensive copper gear wheel, friction drum and other wearing parts is avoided, and as a result, the structure of the complete machine is simplified, the cost of production and use is reduced, the failure rate of the machine is lowered, and the technical performance of the complete machine is improved. The invention can be directly applied to condensing separation of natural rubber, and the invention can also be applied to separating other emulsions; the rotary-drum structure of the invention can overcome the disadvantages of the prior art; the continuous operation time is prolonged and the rotary-drum heating is alleviated; the strength, safety, reliability and maintenance technique are improved. The driving part and the lower machine body can form the driving of a manual slag-discharge separator, a gushing slag-discharge separator and a ring-valve slag-discharge separator and the lower machine body.

A pipeline data collecting and storing detecting device of the technical field of pipeline detection includes a detecting device, a data collecting and storing device, an active connecting device and supporting wheels. The detecting device includes a detecting device housing, a plurality of detecting holes arranged on the side walls of the detecting device housing, a plurality of ultrasonic probes arranged inside of the detecting device housing and the head parts of the ultrasonic probes penetrate the detecting holes correspondingly; and a plurality of supporting wheels arranged on the detecting device housing. The data collecting and storing device includes a collecting device housing, a collecting sealing cabin arranged inside the collecting device housing, a control module arranged inside the collecting sealing cabin and the control module is electrically connected with the ultrasonic probes; a plurality of supporting wheels arranged on the collecting device housing. The active connecting device is connected to the front part of the housing of the data collecting and storing device and the back part of the detecting device housing. The embodiment of the invention has the advantages of simple structure, comprehensive detecting and long continuous working time, which can detect in a long distance.

Specially, the invention is related to neutralization cathode filament in Koffman ion source, and method. Being placed outside ion beam, the neutralization cathode filament can prevent direct sputtering from ion beam. Anode of power supply for neutralization cathode filament is connected to ground, so that filament is at negative potential. Three pieces of filament are in annular ring to round ion beam, and operation modes for switching three pieces of filament in turn are adopted outside ion source. The neutralization cathode filament possesses features of simple structure, long continuous working time, stable operation, and low pollution. The invention is widely applicable to preparing thin film material of ion beam in low energy, and ion beam etching.

The invention relates to an evaluation system and method for the efficacy of synchro-neoadjuvant chemoradiotherapy before the rectal cancer surgery. The evaluation system comprises an image acquisition unit used for acquiring pathological biopsy slice scan images and neoadjuvant chemoradiotherapy treatment pre-MRI images of newly diagnosed locally advanced rectal cancer patients, and classifying the rectal cancer patients into a training set, a check set and a test set, to serve as input image data, an image labeling unit used for respectively labeling the pathological biopsy slice scan imagesand the MRI images of the training set, the check set and the test set, a convolutional neural network constructing unit used for constructing a first convolutional neural network model, and a convolutional neural network model training unit used for obtaining a second convolutional neural network model for evaluating the efficacy of synchro-neoadjuvant chemoradiotherapy before the rectal cancersurgery. The evaluation system for the efficacy of synchro-neoadjuvant chemoradiotherapy before the rectal cancer surgery has multiple advantages such as being high in accuracy, short in time consumption, long in working duration, objective and three-dimensional.

The invention relates to a radio frequency power supply, in particular to a large-power full solid-state radio frequency power supply based on an MOS-FET amplifier, which comprises a signal source, a control circuit, a modulation switch, a wave filter, a primary power amplification circuit, a secondary power amplification power, a synthetic wave filter, a power detector and other modules; and the radio frequency power supply has the advantages that the radio frequency power supply has long service life, long continuous working time, stable power frequency and power and simple operation, does not need preheating, reduces the labor intensity of engineering operators, has high efficiency of the whole machine and also has the functions of standing wave protection and overheating protection.

The invention discloses a solar street lamp intelligent control management system, which is characterized by comprising wireless sensor nodes arranged corresponding to solar street lamps one to one and remote controllers, wherein, the wireless sensor nodes are used for detecting and controlling the operation of single solar street lamp, and executing the operations of turning on or turning off the street lamps by receiving the instructions transmitted by the remote controllers; a plurality of wireless sensor nodes within a certain range construct a local network; and one remote controller is connected with one local network is used for converging the data of the local network, and data is transmitted to the computer in a monitoring center through wireless network and Internet. The system realizes overall intelligent monitoring management of solar street lamps, and replaces manpower polling, thereby increasing management efficiency and saving maintenance cost.

The invention discloses an active and passive compound control system for a hybrid power hydraulic excavator. According to the active and passive compound control system for the hybrid power hydraulic excavator, a control circuit comprises a hydraulic pump A, a hydraulic pump B, a hydraulic pump C, a movable arm cylinder control valve bank, a bucket rod cylinder control valve bank, a bucket control valve, a rotation control valve, a rotating motor control valve bank, a two-position and two-way valve I, a two-position and two-way valve II, a two-position and two-way valve III, a two-position and two-way valve IV, a two-position and two-way valve V, a two-position and two-way valve VI, a two-position and two-way valve VII, a two-position and three-way valve I, a two-position and three-way valve II, an energy accumulator I and an energy accumulator II, an open type control circuit is adopted to serve as the control circuit, the two cavities of a hydraulic cylinder are each controlled through a power source, and the pressure and the flow of each cavity are regulated independently. The active and passive compound control system for the hybrid power hydraulic excavator has the multiple technical advantages that the energy efficiency is high, the degree of integration is high, power consumption is low, power supply redundancy is avoided, a pilot oil source is not needed, the noise is low, and kinetic energy recovery and potential energy recovery are integrated.

The invention discloses a drilling and piling integrated machine. The drilling and piling integrated machine comprises a wheel house, a machine body bearing system, a power system, a hydraulic control system, an equipment supporting system, a drilling system and a piling system. The power system comprises a diesel engine, a clutch and an air compressor. The diesel engine is connected with the clutch through a gear transmission device. The clutch is connected with the air compressor through a conveying belt. The equipment supporting system comprises a gantry bracket, an upper connecting frame and a lower connecting frame. The drilling system comprises a hydraulic motor, a gearbox, a drilling cylinder, a coring drilling bit and a clamp hole drilling bit. The piling system comprises a breaking hammer, a chrome plated rod and a guardrail rod. According to the drilling and piling integrated machine provided by the invention, the diesel engine and the air compressor are connected through the automobile clutch principle, reliable separation of power and the air compressor in the running process of the drilling and piling integrated machine is ensured, and the service life of the air compressor is prolonged; the coring drilling bit and the clamp hole drilling bit are used in a matched mode for the first time in domestic, and the drilling quality and the drilling speed are high.

The invention discloses a cylindrical backwash purifying device comprising a body and a plunger which is arranged in the body and can be connected in an axially sliding manner. The body is provided with a feeding passage and a discharge passage which are connected with a through hole. An outer circle at the front part of the plunger is recessed inwards, and together with the inner wall of the through hole, forms an annular empty cavity which is connected with the feeding passage. The plunger is axially provided with an L-shaped hole, which is connected with the discharge passage, in a direction from the front to the back. A recessed peripheral surface of the plunger is radially provided with a filter hole connected with the annular empty cavity and the L-shaped hole. The recessed peripheral surface of the plunger is connected with a detachable filter screen. A separating bar contacted with the inner wall of the through hole is axially arranged on the plunger and in the annular empty cavity. Semicircular grooves are arranged on the outer surface of the plunger and at two sides of the discharge passage. The cylindrical backwash purifying device has the advantages of reasonable design, simple structure, small volume, large effective filter area, good filter effect, no need of halt during cleaning or filter screen replacement, long continuous work time, high work efficiency and high product quality.

The invention discloses a water surface floating pollutant clearing device and method. The water surface floating pollutant clearing device comprises two floating brush heads, a floating plate and a collecting bin. The two floating brush heads are arranged at the bottom of the front side of the floating plate in a bilaterally symmetrical mode. A bracket, a processor and an air pump are sequentially arranged on the floating plate from left to right. A sweeping motor is located between the bracket and the processor, the collecting bin is located between the processor and the air pump, and the upper portion and the lower portion of the collecting bin are located on the upper side and the lower side of the floating plate correspondingly. Two floats are arranged at the bottoms of the left sideand the right side of the floating plate correspondingly. The water surface floating pollutant clearing method comprises the steps of device entering into water, automatic detecting, gas-jet propulsion, intelligent obstacle avoiding, opposite-sweeping picking, filtering treatment, compression treatment, solar charging and garbage unloading. The water surface floating pollutant clearing device andmethod have the advantages that the clearing efficiency is high, the sustainable working time is long, automation and intellectualization are achieved, and controllability is high.

The invention relates to a turbine typed turbocharged accelerating flue gas desulfurization dust abatement tower, belonging to the field of gas purification technique, which includes a spray pump tower body, a slurry pump that is arranged on the tower from bottom to top and is connected with a slurry outlet at the bottom of the tower, a roots blower that is connected with a fall trachea and is arranged in a liquid storage district at the bottom in the tower, a spray pump pipe arranged over the liquid storage district, a circulating pump that is connected with and arranged in a circulating pipeline communicated with the spray pump pipe, and a demister arranged on the spray pump pipe; a flue gas inlet, a flue gas outlet and a slurry outlet are arranged on the lateral wall, on the top and at the bottom of the lower part of the spray pump tower body; a disturbance pump and a turbine typed turbocharged accelerating flue gas desulfurization dust abatement system are also included, wherein, the disturbance pump is connected with and arranged in the circulating pipeline communicated with the liquid storage district at the bottom of the tower, and the desulfurization dust abatement apparatus is arranged under the spray pump pipe in the tower and over the flue gas inlet. The invention has the advantages that sufficient connection of gas and liquid can be realized and high speed mass transfer can be carried out within the shortest time, in the smallest space and with the minimum liquid-gas ratio, thus improving high dust abatement and desulfurization efficiency with minimum energy consumption.

The invention discloses an environment-friendly waste salvaging device for water body pollution, and belongs to the field of riverway garbage salvaging. The environment-friendly waste salvaging devicefor water body pollution comprises a shell, a box and a front support, the box is arranged on the inner wall of the bottom of the shell, the front support is connected to the side wall of the front end of the shell, an angle adjusting assembly is arranged at the top of the box, the angle adjusting assembly is connected with a telescopic rod, and elastic assemblies are arranged at the two ends ofthe telescopic rod; a collecting net is connected to the bottom of the stretching assembly, a cover plate is arranged at the top of the angle adjusting assembly, two supporting rods are arranged at the top of the cover plate, a vibration assembly is arranged at the tops of the supporting rods, a conveying assembly is arranged between the vibration assembly and the rotating rollers, and a dehydration device, a pollutant classification box and a rotating motor are arranged at the bottom of the shell; according to the device, riverways with different widths can be automatically fished, the bearing capacity of the shell can be increased through dehydration, the continuous working time can be prolonged, and pollutants can be conveniently classified and treated.

The invention relates to a hybrid power engineering machine multi-actuator control system which comprises a double-pump double-loop hydraulic control system. A backpressure adjusting unit, a first conversion control valve, a second conversion control valve, a third conversion control valve, a fourth conversion control valve, a fifth conversion control valve, a sixth conversion control valve and a hydraulic control one-way valve set. According to the hybrid power engineering machine multi-actuator control system, a hybrid power system is additionally arranged, recycling of movable arm potential energy and rotation braking kinetic energy is achieved, integrated control over energy recycling and load difference throttling loss eliminating is achieved, shortcomings in the prior art are effectively eliminated, and the beneficial effects of high energy efficiency, low emission and the like are achieved.

The invention relates to a turbulent ball type turbocharging compound desulfurization dust removal tower, which belongs to the technical field of gas purification and comprises a spraying tower body, a gas inlet, a smoke outlet, a slurry discharger, a slurry discharge pump, a Roots blower, multilayer spraying pipes, an annular separation plate, a circulation pump, a demister, a disturbance pump and a plurality of turbulent ball type turbocharging acceleration smoke gas desulfurization dust removal devices, wherein the turbulent ball type turbocharging acceleration smoke gas desulfurization dust removal devices are arranged in the tower and respectively comprise a casing, a pipeline, upper and lower porous end plates, a turbulent ball and a plurality of blades, the pipeline is fixedly arranged in the center of the casing, the upper and lower porous end plates are respectively arranged at the upper end and the middle part of the casing, the turbulent ball is filled in the space between the upper and lower porous end plates, the blades are arranged between the porous end plates and the pipeline, the upper end of each blade is connected with the inner wall of the casing, the lower end of each blade is connected with the outer wall of the pipeline, and the lower end of the casing is connected with a smoke shielding cover. The turbulent ball type turbocharging compound desulfurization dust removal tower has the advantages that the full gas and liquid contact can be realized under the conditions of the shortest time, the smallest space and the lowest liquid-gas ratio, the high-speed mass transfer is carried out, and the high dust removal and desulfurization efficiency can be improved at the minimum energy consumption.

The invention relates to an aircraft ground comprehensive support trolley integrating the ground high-pressure starting of aircraft engines, the ground ac / dc power supply of aircrafts and the ground air-condition wind supply of aircrafts, comprising a carrying vehicle, a dynamic system, an ac / dc generating set, a compressor, a transmission system, a refrigeration and air conditioning system, and a measurement and control system, etc. The carrying vehicle comprises the refrigeration and air conditioning system, the compressor, a generator, an engine, an engine fuel tank, a speed-changing gear box, a muffler, a water tank radiator, an electrical apparatus control board and an operation displaying device, the dynamic system comprises a diesel engine, a fuel supply system, and a smoke exhaust system, the transmission system comprises a speed-changing gear box and an electronic clutch, etc. And the measurement and control system comprises the measurement of each power supply and gas supply parameter, and the operating logic and the situation control of each equipment. The invention has the advantages of high integration as the invention integrates the functions of aircraft power supply vehicles, high-pressure gas source vehicles and ground air-condition vehicles, etc., together, as well as wide application scope, fast and accurate control, high mobility and high reliability, etc.

The invention relates to a rectal cancer preoperative concurrent neoadjuvant radiotherapy and chemotherapy effect evaluation system and method. The evaluation system comprises: an image acquisition unit for acquiring MRI images before neoadjuvant radiotherapy and chemotherapy for patients with the locally advanced rectal cancer, and dividing the rectal cancer patients into a training set, a checkset and a test sets as input image data; an image annotation unit for performing data annotation on MRI images of the training set, the check set and the test set; a convolutional neural network construction unit for constructing a first convolutional neural network model; and a convolutional neural network model training unit for acquiring a second convolutional neural network model for evaluating the rectal cancer preoperative concurrent neoadjuvant radiotherapy and chemotherapy effect. The rectal cancer preoperative concurrent neoadjuvant radiotherapy and chemotherapy effect evaluation system has many advantages such as high accuracy, short time-consuming, long working duration, objective and three-dimensional result.

The invention discloses a preparation method of a ruthenium-molybdenum dioxide nanojunction and use thereof. The molybdenum dioxide loaded ruthenium nanojunction is prepared by taking a noble metal ruthenium modified molybdenum-based metal organic frame material as a precursor, so that an electrochemical hydrogen evolution catalyst which is high in activity and high in stability is obtained. The dosage of the noble metal is reduced by constructing the nanojunction, and the electrochemical hydrogen evolution catalyst which is high in activity and high in stability in acid and base media is obtained, and the dosage of the noble metal is reduced while the performance of the catalyst is enhanced, and the nanojunction has a good electrocatalytic practical prospect.

The invention discloses an automatic drive robot used in vehicle road tests. The automatic drive robot comprises an execution unit, an environment perception unit, a vehicle running state detection unit, a user interaction unit and a control unit, wherein the environment perception unit is used for detecting the running environment of a vehicle to be tested; the vehicle running state detection unit is used for detecting the running state of the vehicle in real time; the user interaction unit is used for setting correlates of the tests before the road tests are conducted; the control unit comprises a drive control unit and a safety control unit; the drive control unit is used for driving the execution unit to control the running of the vehicle, so that the vehicle to be tested can be tested according to test items preset by a user; and the safety control unit is used for detecting environmental sensor information, vehicle breakdown information and vehicle motion state information, so as to timely find out safety problems and realize safety control over the vehicle. The automatic drive robot can replace manual drive to complete various automobile road tests, and has the advantages of accurate control, long continuous working period, high test efficiency and good repeatability.

The invention relates to a movable electric heating high temperature snow melting and sweeping vehicle. The movable electric heating high temperature snow melting and sweeping vehicle comprises a driving cab of the vehicle, a water collection box arranged on a cross beam of the vehicle, and a snow melting box arranged on the water collection box. The crossbeam between the driving cab and the water collection box is provided with a soft start cabinet, the soft start cabinet is connected with a generator circuit, generators are arranged on the two sides of the lower end face of the crossbeam, and the generators are driven by a vehicle-mounted engine through a power transmission box. A horizontal vehicle beam on the front side of the driving cab is connected with a snow shoveling plate, two ends of the snow shoveling plate are provided with connecting plates, a shaft is arranged between the two connecting plates, and the shaft is provided with snow rolling wheels. The snow shoveling plate is provided with a snow discharge port, the snow discharge port is connected with a snow transport pipe, and the other end port of the snow transport pipe is connected with a snow inlet port of the snow melting box. The bottom face of the snow melting box is an electric heating plate, the electric heating plate is provided with a water drain hole, and the wall of the box body of the snow melting box is provided with a hot wind machine. The movable electric heating high temperature snow melting and sweeping vehicle can utilize the vehicle-mounted electric energy to heat, and has the advantages of low snow melting cost, good snow melting effect, large melt snow storage and long continuous operating time.

The invention provides a leaf vegetable automatic shredding device for agriculture. The device comprises a top plate. A plug is of a hexagonal bolt structure, and the hexagonal incircle diameter of the end face is larger than the inner circle diameter of a cylinder on a connection block. A cutter is of a long strip shape, a column is fixed to the top, and the cutter is placed in a columnar hole inthe bottom end of a cutter rest. A brake shoe is placed at the front end of the cutter rest, and the top face is provided with a thread hole and fixed through a bolt. The top plate is welded to the top side of a side plate, the middle is provided with a stepped rectangular hole, the periphery size of the small hole end is the same as the periphery size of a lifting plate, and the periphery size of the large hole end is the same as the rectangular periphery size of the top of a cutter disc. The structure is simple, manufacturing is easy, the vegetable spurting phenomenon is reduced through dual-layer protection, the automation degree is high, continuous work time is long, large-batch shredding operation can be achieved, the positions of transmission equipment and cutting equipment will notbe affected by spurted vegetables, the cleaning frequency is reduced, the service life of parts is prolonged, and the shredding efficiency is improved.

The invention discloses a robot oriented to space maintenance work, and relates to the field of automatic machinery. The robot can solve the problems of high risk, high operation cost, high labor intensity and low production efficiency of the manual on-orbit service which is mainly performed by astronaut extravehicular operations. The robot comprises telescopic mechanisms, sliding guide rails, guide rail sliding blocks, ball screws, ball screw driving motors and mechanical arms. The telescopic mechanisms are arranged on a working plane; the sliding guide rails are mounted on the top surfaces of the telescopic mechanisms; each of the ball screws is arranged between the corresponding sliding guide rails; screws of the ball screws are connected to output shafts of the ball screw driving motors; the guide rail sliding blocks are mounted on nuts of the ball screws; the guide rail sliding blocks are in cooperative connection with the sliding guide rails; and the mechanical arms are arrangedon the guide rail sliding blocks. The robot oriented to space maintenance work realizes the automatic operation of the space maintenance work and greatly improves the safety of the space maintenance work.

A wireless temperature acquisition device with a reversal connection protection function comprises a single-chip microcomputer, a temperature acquisition module, a wireless data transmit-receive module, a power supply module, a reversal connection prevention protection module and two control switches. The reversal connection prevention protection module is connected between the single-chip microcomputer and the power supply module. The single-chip microcomputer comprises a timer, an AD conversion module and a microprocessor. The microprocessor is connected with the timer and the AD conversion module at the same time. The temperature acquisition module and a wireless communication module are connected with the microprocessor respectively through a control switch. The temperature acquisition module is connected with an input end of the AD conversion module. The wireless data transmit-receive module is connected with the microprocessor. According to the invention, the single-chip microcomputer precisely calculates the working period of each module and controls the power supplying modes of the wireless data transmit-receive module and the temperature acquisition module, so that the power consumption of the system is reduced, the electric energy is saved, and the continuous working time of the device is prolonged; in addition, the reversal connection prevention protection module is connected between the single-chip microcomputer and the power supply module, so that the reliability of the whole device is improved.