1546results about How to "Monitor temperature in real time" patented technology

The invention provides a fast treating device of biodegradable garbage, which mainly comprises a double-layer horizontal type cylinder body, a stirring device, a heating device, a ventilating device, a condensate water-collecting device, a condensate water-recharging device and a biological filtering and deodorizing device, wherein the double-layer horizontal type cylinder body is used for loading garbage; the stirring device is provided with a stirring shaft with a blade, and the stirring shaft is penetrated through the whole cylinder body; the heating device is used for heating up the garbage, leading the temperature of the garbage to be fast raised, and keeping the temperature within a certain range; the ventilating device is used for supplying the oxygen required by the biodegradation of the garbage and carrying out some steam (or steam); the condensate water-collecting device and the condensate water-recharging device are used for removing the generated steam and recharging and replenishing water under the condition that the garbage in the cylinder body is dried; and the biological filtering and deodorizing device is used for removing bad smell generated when biodegrading the garbage. The cylinder body is internally provided with a temperature sensor, a humidity sensor and an oxygen sensor, wherein the sensors are controlled by a garbage automatic control device; and the control device controls the heating device, the ventilating device and a percolate-recharging device according to the detecting values of the sensors. The fast treating device does not need to add strains, can not generate percolate, has fast fermentation speed, generates less bad smell, has no pollution emission, and has high automated operation degree.

The invention provides a household electricity intelligent management system. A sensor is used for monitoring the indoor personnel situation, the temperature, the humidity, light brightness and the like in a real-time mode. According to the acquisition of data like the temperature, whether relevant electric appliances are turned on or not is determined, and the temperature value when the relevant electric appliances run is determined. A working period of each electric appliance can also be set, before each relevant electric appliance is turned on, whether the current time is located in the working period of each electric appliance or not is preferentially judged, and if the current time is not in the working period, the electric appliances can not be turned on. According to the corresponding relation between the set electricity prices and periods, and the corresponding relation between the electricity consumption and the electricity prices, after the electricity consumption of each electric appliance is obtained, the total electricity consumption and the electricity consumption in each period are calculated, whether the total electricity consumption exceeds the preset value or not is judged, if the total electricity consumption exceeds the preset value, a prompt is sent to a user through an alarm module, the user is informed of the current electric consumption and the electric charge situation, and some electric appliances are turned off according to the preset electricity consumption weight of the electric appliances. The household electricity intelligent management system can effectively manage the household electric appliances and save electric energy when used.

The invention relates to the field of electric power system monitoring, in particular to a cable 10kV high voltage ring main unit remote monitoring and control system which is used for conducting real-time monitoring of operation conditions of power distribution facilities and distribution cable lines, realizing early warning and alarming of abnormal and failure states and postmortem analysis after accidents, and controlling and regulating the operating environment of equipment through remote operation. According to the cable 10kV high voltage ring main unit remote monitoring and control system, grid smart operation management serves as the target, various on-line monitoring techniques are integrated, and monitoring cameras, a fan and solar equipment are installed in a switching station; the system can be used for checking the information of the monitoring cameras in the switching station in real time, monitoring the operating state of the fan, realizing the early warning and alarming of the abnormal and failure states and the postmortem analysis after the accidents, realizing dynamic evaluation of health conditions of the equipment, and realizing remote operation control over monitoring of the equipment; a multi-dimensional display technology is combined, safe and reliable operation capacity of a distribution network is enhanced, trouble shooting efficiency and maintenance efficiency are improved, and therefore a complete set of grid visual monitoring system is formed.

A tester used for simulating wear-out and vibration of main movable parts on internal combustion engine consists of master driving system formed by air cylinder, piston ring, piston, crankshaft, inlet and outlet of high pressure air; state monitoring system formed by pressure transducer and vibration transducer on bearing base, oil monitoring transducer and temperature transducer as well as vibration transducer on machine rack, and dynamic transducer on crankshaft. It is featured as utilizing high pressure air to simulate explosion pressure in air cylinder and to simulate operation condition causing wear-out and vibration of cylinder sleeve and piston ring pair in said engine.

The invention discloses a device for detecting the leak rate of a sealing ring. The device for detecting the leak rate of the sealing ring comprises a ring flange, a flange which is connected with the ring flange in a sealing way, and an inner sealing groove and an outer sealing groove which are arranged between the ring flange and a flange cover, wherein a sealing ring to be detected is arranged in the inner sealing groove, and a standard sealing ring is arranged in the outer sealing groove; an annular leak detection groove and a gas cavity are arranged at a contact part of the ring flange and the flange cover, and the annular leak detection groove is arranged between the outer sealing groove and the inner sealing groove and is communicated with an external leak detection pipe without leakage; and the gas cavity is arranged at the center of the flange and is communicated with a cylinder arranged outside the flange without leakage. The device has the advantages of compact structure, small volume, and convenience and quickness in heating, and the problem that the traditional detection device is difficultly applied to the detection of the leak rate of the sealing ring in high-pressure and high-temperature environments can be solved.

The invention discloses a windable electric ignition and monitoring system for in-situ combustion, which comprises a gas injection tubular column (16) arranged at the lower part of a wellhead (7), and a coiled tubing (25) capable of being inserted into the gas injection tubular column (16) along an axis of the gas injection tubular column (16) downwards, wherein the coiled tubing (25) is internally provided with an electric igniter (21) and an igniter temperature measurement device (22) for monitoring the electric igniter (21); the electric igniter (21) and the igniter temperature measurement device (22) are connected with a signal acquisition control cabinet (12) outside the wellhead (7) by a power and temperature measurement cable (24) arranged in the coiled tubing (25); the electric igniter (21) comprises a cylindrical sheath (27); and the sheath (27) is internally provided with electric heating wires (28) and insulation packing (30). Since the electric ignition device is arranged in the coiled tubing, the electric ignition device can be wound and unwound quickly by winding and unwinding the coiled tubing, and the operating efficiency is improved greatly.

The invention discloses an experimental device and method of super heavy oil reservoir steam-nitrogen-viscosity reducer composite steam stimulation. The device comprises an injection system, a model system, a constant-temperature control system, an output metering system and a data collection system. The injection system comprises a steam injection device, a gas buffer device, a viscosity reducer injection device and an oil and water saturation device which are connected in parallel, and the outlet ends of all the devices are connected with the model system. The model system is arranged in the constant-temperature control system, the inlet end of the model system is connected with the injection system, and the outlet end of the model system is connected with the output metering system. The output metering system comprises a return pressure control device and an ultrasonic oil and water separating and metering device, one end of the return pressure control device is connected with an outlet of the model system, and the other end of the return pressure control device is connected with the ultrasonic oil and water separating and metering device. The data collection system comprises a pressure sensor, a temperature sensor, a flowmeter, an electronic scale, a computer data collection system and a data analysis system, and the computer data collection system and the data analysis system achieve data collection and calculation.

The invention discloses a high-speed spindle on-line automatic balancing experiment system. A spindle is arranged on a spindle positioning seat; a magnetic grid encoder is arranged on a bearing on the inner side of the spindle; displacement sensors are arranged the outer sides of two ends of the spindle; on-line dynamic balance devices are arranged at two ends of the spindle; balance water ponds in the on-line dynamic balance devices are arranged on a spindle rotor; a water gun is fixed on an experiment shock absorption platform; a spindle unbalance simulation devices is fixed on end faces of two sides of the spindle rotor through threads; the displacement sensors are connected with a high-speed synchronous data acquisition instrument through a charge amplifier; a photoelectric sensor is connected with the high-speed synchronous data acquisition instrument; and the magnetic grid encoder is connected with a high-speed synchronous counting card through a 1Vpp signal conditioning module. An industrial control computer is connected with an on-line automatic balancing device controller through a universal serial bus. Through the high-speed spindle on-line automatic balancing experiment system, high-speed spindle on-line automatic balancing experiment can be realized, and the system has the characteristics of high speed, accuracy and integrated level and the like.

The invention discloses a method for controlling power consumption. The method comprises the steps that an intelligent power consumption control center monitors the situation of staff, temperature, humidity, photometric brightness and the like indoors in real time by using a control sensor, and the intelligent power consumption control center determines whether related electric appliances are started up or not and the temperature value of running of the related electric appliances by acquiring temperature data and other data; furthermore, the working periods of the electric appliances can be set, before one related electric appliance is started up, whether current time is within the working periods of the electric appliance or not is judged preferentially, and the electric appliance is not started up if not; besides, according to the corresponding relationships between set electricity prices and time periods, and according to the corresponding relationships between power consumption and electricity prices, total power consumption and periodic power consumption are calculated after the power consumption of all the electric appliances are acquired; whether the total power consumption exceeds a preset value or not is judged, if yes, a warning module is used for sending a prompt to a user, and the user is informed of the current power consumption and electric charges; according to the preset power consumption weight of all the electric appliances, some of the electric appliances are shut down. According to the method for controlling the power consumption, the household appliances can be effectively managed, and electric energy is saved.

The invention relates to a running state monitoring and arc protecting system for a switch cabinet, which belongs to the monitoring and relay protection field of electric equipment. The system consists of a host machine and a slave machine which are both controlled by a DSP (Digital Signal Processor) and adopt field bus communication. A digital temperature sensor is used for monitoring the temperature in the switch cabinet; and an ultraviolet sensor is used for detecting partial discharge in the switch cabinet and ultraviolet rays emitted by short circuit arcs. The system has the characteristics that temperature rise or partial discharge caused by abnormal operation of the switch cabinet can be detected and a warning signal can be given out immediately to prevent the switch cabinet from short troubles. If the switch cabinet is suddenly short-circuited, the system can immediately detect the ultraviolet rays emitted by the arcs, rapidly transmit information through an advanced field bus and quickly and selectively clear faults.

The invention discloses an intelligent diagnosis method and an on-line monitoring system for electrified railway contact network cable clamp overheat fault. The fault on-line monitoring system consists of a remote data server, a remote monitoring computer, a train monitoring computer, a general packet ratio service (GPRS) data concentrator and wireless terminal modules distributed on a contact network, wherein the wireless terminal modules are used for detecting the cable clamp temperature, the ambient temperature, the ambient humidity and the contact network current; and the remote data server finishes intelligent diagnosis and disposal of the cable clamp overheat fault according to the acquired real-time data and historical data and issues the real-time acquisition result and the diagnosis result to the remote monitoring computer. The invention mainly solves the problem that the electrified railway contact network cable clamp overheat fault occurs frequently and is difficult to monitor effectively, so that the state of the contact network cable clamp and the fault development state can be monitored continuously on line, and furthermore, contact network overheat accident is avoided, and operation safety of the train is guaranteed.

The invention discloses a high-efficiency energy-saving mine multi-stage fan station ventilation monitoring technology system. Intake fan stations (1) are arranged in the intake sections of a mine, return fan stations (2) are arranged in the return air sections, air consumption fan stations (3) are arranged in the air consumption sections, and a ground main mine monitoring room (4) is arranged on the ground surface of the mine. A multi-stage fan station ventilation network calculation program is developed to carry out numerical calculation on the ventilation parameters of the ventilation system, such as ventilation resistance, the blowing rates of fans of the fan stations, wind pressure, efficiency and total power; the number of fan station stages and the locations of the fan stations are determined; fan models are chosen, and the blowing rates are regulated; and a remote centralized multi-stage fan station monitoring system and an underground on-line atmospheric environment monitoring system are constructed. The pressure-equalizing ventilation of each mine ventilation network section can be realized, air leakage is reduced, the starting and stopping of the fans of the intake fan stations, the return fan stations and the air consumption fan stations in the mine can be remotely controlled, the variable-frequency speed regulation of the fans is realized, the system can perform inverted ventilation, parameters, such as the operating states of the fans, the blowing rates and wind pressure of the fans, motor bearing temperatures and power factors, can be monitored in real time, and the underground ventilation environment can be monitored in real time and on line.

The invention discloses an electrified on-line monitoring and protecting device for an intelligent high-voltage vacuum circuit breaker. The electrified on-line monitoring and protecting device for the intelligent high-voltage vacuum circuit breaker comprises a hall current sensor, a differential transformer displacement transducer, a pressure sensor and a wireless temperature sensor, wherein a signal output end of the hall current sensor is connected with an A / D (Analog to Digital) converter I; a signal output end of the differential transformer displacement transducer is connected with an A / D converter II; a contact switch port is connected with an optoelectronic isolation module; a signal output end of the pressure sensor is connected with a vacuum degree monitor; and the A / D converter I, the A / D converter II, the optoelectronic isolation module and the vacuum degree monitor are respectively connected with a central processing unit; the central processing unit is connected with an RS485 communication module and a displayer; and the wireless temperature sensor is in wireless communication connection with a temperature collector in the central processing unit. The electrified on-line monitoring and protecting device for the intelligent high-voltage vacuum circuit breaker has strong antijamming capability, high monitoring accuracy, strong stability, and reliable safeguard procedures.

The invention provides a preheating method and device suitable for powder laying type additive manufacturing, and belongs to the technical field of additive manufacturing. A movable type plane heating plate capable of covering a whole powder bed is arranged over the powder bed, the mounting height of the plane heating plate is slightly larger than a powder laying device, in the powder laying process, the powder bed and parts are preheated, after powder laying is finished, a plane light source is closed and put away, and the phenomenon that in the machining process, the plane heating plate blocks a high-energy beam is avoided. In the heating process, a temperature measuring sensor is used for monitoring the temperature of the powder bed in real time, a control system is adopted to implement feedback control over preheating of the powder bed according to the temperature monitoring result, full-breadth covering type heating is adopted, and the powder bed and formed parts are subject to high-temperature, efficient and unifier preheating. The invention further provides the device achieving the above method. The method is wide in application material and high in expansibility and is particularly suitable for powder laying type additive manufacturing of multiple large-breadth high-energy beams.

The invention relates to the field of electric vehicles, in particular to an electric vehicle intelligent charging system. The electric vehicle intelligent charging system comprises a charging regulation and control hub, a charging pile and a charging socket, wherein a real-time regulation and control system and a charging transaction information storage unit are arranged in the charging regulation and control hub; the charging pile is provided with a charging main control system, an information recognition system, a man-machine interaction system, a charging detecting regulation and control system, a charging pile monitoring system, a safety protection system, a billing system and a communication unit; the real-time regulation and control system, the charging main control system and the charging detecting regulation and control system are sequentially connected on a circuit between a power supply grid and the charging socket in sequence; the information recognition system is connected with a currency recognition unit and an IC card information reading unit; and the man-machine interaction system is used for inputting or outputting information through a touch display screen, charging pile audio output equipment and a miniature printer. The electric vehicle intelligent charging system has complete functions, is safe and reliable, and can perform real-time monitoring and effective control on charging condition of each electric vehicle.

The invention provides an earthworm bioreactor and an organic waste treatment method. The earthworm bioreactor comprises a reactor box body, an organic waste distributing device, an earthworm dung output device, a forced ventilation system, an expansion bracket, an illuminator and an external central regulation and control system, wherein the expansion bracket is connected above the reactor box body; the illuminator is arranged above the reactor box body; distributing wheel tracks which are connected with the organic waste distributing device in a sliding manner are connected to upper edges on both sides of the reactor box body; the earthworm dung output wheel track which is connected with the earthworm dung output device in a sliding manner is arranged inside the reactor box body, and isfixed on the reactor box body; the forced ventilation system is connected on the outer side wall of the reactor box body; a heating interlayer is arranged below the bottom of the reactor box body; and the organic waste distributing device, the earthworm dung output device, the forced ventilation system, the illuminator and a radiating device are connected with the external central regulation and control system. By the earthworm bioreactor, earthworms can be propagated quickly while organic wastes are treated to a great limit.

The invention relates to the technical field of engineering machinery, in particular to a cooling system and a control method thereof. The cooling system comprises a controller, temperature sensors, a pulse width modulation (PWM) direct-current speed controller, thermostats, fans and a rotation speed sensor. All heat dissipation modules are independently provided with the temperature sensors, the thermostats and the fans. The temperature sensor can monitor the temperatures of all the heat dissipation modules in real time. The controller gives out a control signal to the PWM direct-current speed controller according to a temperature signal. The PWM direct-current speed controller can adjust the thermostats of all the heat dissipation modules to be turned on or turned off and can also adjust the rotation speeds of the fans according to the control signal. In this way, a complete machine is reasonably controlled to dissipate heat in real time, all the heat dissipation modules of the complete machine are kept in the most ideal temperature ranges all the time, meanwhile, the power consumption of the fans is reduced to the greatest extent, and the efficiency of the complete machine is improved.

The invention relates to a built-in tire pressure sensor which is mounted in an automobile tire and used for detecting the pressure and temperature inside the automobile tire. The built-in tire pressure sensor comprises a shell, a circuit board accommodated in the shell, a battery connected with the circuit board and a sensor body, wherein a locating component is arranged on the shell and is fixedly connected with the shell into a whole, a hole through which a fixing component penetrates to be connected with an inflating valve is formed in the locating component, and the inner wall surface, facing the inflating valve, of the locating component is a concave curved surface. When the tire pressure sensor is assembled, the inflating valve and the inner wall surface of the locating component are in tight fit, the fixing component penetrates through the hole in the locating component to be fixedly connected to the inflating valve; since the inner wall surface, acting on the inflating valve, of the locating component is a spherical surface, the tire pressure sensor can rotate relative to the inflating valve and is still in tight fit with the inflating valve; therefore, by adjusting the angle of the tire pressure sensor, the tire pressure sensor can come into tight fit with assembly interfaces of different tires without swinging or rotating so as to monitor temperature, pressure and the like in the tires in real time.

The invention discloses an adjustable-crack type temporary plugging acid fracturing steering performance testing device and an evaluation method, and belongs to the technical field of the petrochemical industry. The adjustable-crack type temporary plugging acid fracturing steering performance testing device includes a water storage tank, a plunger pump, an acid liquid tank, an adjustable simulatedcrack device, a filtrate metering electronic balance, and a computer control system which are sequentially connected. According to the adjustable-crack type temporary plugging acid fracturing steering performance testing device, a simulated crack is adjustable in size and form, and a parallel crack and a wedge-shaped crack of 0.5-8mm can be simulated; and both the simulated crack and temporary plugging acid liquid are heated to simulate the formation temperature, and the effect law of the crack size, shape, and the formation temperature on the temporary plugging effect can be studied. The effect of temporary plugging is mainly evaluated in performance by observing the change of upstream and downstream pressure difference, the filter loss, and the formation position of bridge blinding.

The invention relates to an intelligent diving lithium battery pack with a pressure compensating device and a preparation method thereof, belonging to the field of lithium ions. A battery pack case is internally provided with a plurality of monomer lithium batteries connected in series and in parallel, a battery management system as well as a pressure compensating device consisting of a case, an oil filling valve, watertight sockets, a compensating leather bag, a check valve and a protective cover. Positive and negative lugs of each monomer lithium battery are provided with pole columns which are riveted on the lugs of the monomer lithium batteries through a riveting structure; the battery pack in the case is electrically connected by connecting busbars among the pole columns on the tops of the adjacent monomer batteries; the compensating leather bag is arranged above the case and surrounds a closed space together with the case; the periphery of the compensating leather bag is in a form of a gauffer; the check valve is arranged on the top of the compensating leather bag; and the storage battery case and the lithium batteries are free from appearance deformation and performance damage. The intelligent diving lithium battery pack has the advantages of long service life, high specific flow, high safety and low cost, and can meet the requirements for deep-diving equipment.

The invention relates to a device and method for achieving laser rapid molding of superhigh molecular weight polymer. The device comprises a laser emission end, a press roll, an infrared thermometer, a signal processing device and a master control system. The laser emission end is used for emitting a laser beam used for irradiating and melting superhigh molecular weight polymer powder. The press roll is used for compacting the superhigh molecular weight polymer in the sintering position of the laser beam. The infrared thermometer is used for monitoring temperature changes of the sintering position. The signal processing device is used for feeding back a technological parameter adjusting signal to the master control system according to a temperature signal. The master control system controls the laser emission end and the press roll according to the technological parameter adjusting signal. The method comprises the steps of powder pre-laying, parameter presetting, sintering compacting, real-time control and molding finishing. According to the device and method, air holes can be effectively prevented from being formed in molded parts; the situation that the superhigh molecular weight polymer is oxidized and decomposed due to excess temperature or heat accumulation is avoided; therefore, high-quality molding of the superhigh molecular weight polymer is achieved, and good molding of the superhigh molecular weight polymer is achieved.

The invention provides a fuel real-time monitoring and recycle device of a fuel cell vehicle. The fuel real-time monitoring and recycle device comprises a main hydrogen supply pipeline and a hydrogen recycle pipeline, wherein the main hydrogen supply pipeline is used for adjusting pressure, temperature and humidity of hydrogen at an air outlet of the device by devices such as a temperature sensor, a heating device, a pressure regulation valve group and a pressure sensor, monitoring state quantity of the hydrogen in real time and calculating mass of the consumed hydrogen by an algorithm, and the hydrogen recycle pipeline is used for separating moisture and air from the hydrogen discharged out of the air outlet of the device, pressurizing the remaining hydrogen and then combining the remaining hydrogen to the main hydrogen supply pipeline. The main hydrogen supply in the device provided by the invention can be used for monitoring the temperature, the pressure and the flowing quantity of the hydrogen in real time and calculating the consumed hydrogen quantity by the algorithm, the pressure and the flowing quantity of the hydrogen at an inlet can be adjusted by the pressure regulation valve group, the temperature of the hydrogen at the inlet can be adjusted by the heating device, so that the optimal working condition of a fuel cell is reached.

The invention relates to the field of medical appliances, and discloses an intelligent automatic insulin injection pen. The injection pen comprises a pen cap (1), a piston (2) arranged in the pen cap (1) and a control system, wherein the piston (2) is connected with a drive rod (3); the control system comprises a singlechip (5) and a servo motor (4); the singlechip (5) is used for controlling operation of the servo motor (4); the servo motor (4) is connected with the piston (2) by virtue of the drive rod (3), and is used for controlling movement of the piston (2). The intelligent automatic insulin injection pen has the advantages of accurately controlling the insulin injection dosage, reminding users of taking medicines, reminding users the rest dosage of insulin, controlling the insulin storage temperature and prompting users to carry the insulin injection pen for outdoors.

The invention discloses a tobacco conservation method suitable for disinsection, mold prevention and alcoholization of stored goods such as tobacco leaves, tobacco shreds and tobacco stems. The purposes of preventing insects and avoiding cross infection are achieved through heat sealing; the tobacco temperature and humidity are monitored through a wireless temperature and humidity monitoring probe arranged in a tobacco pile and a tobacco bale core; temperature and humidity monitoring data is wirelessly transmitted to a PC (personal computer) data collection terminal, and a temperature and humidity integrated machine is controlled to be started and stopped through an automatic integrated circuit control technology if tobacco temperature and humidity monitoring situations deviate from interval temperature and humidity conditions set by a PC according to the interval temperature and humidity conditions set by the PC, so that the tobacco leaves are conserved under the set temperature and humidity conditions that the humidity is 50-65RH and the temperature is 22-27 DEG C; moreover, the method can be used for effectively reducing the usage frequency of aluminum phosphate and ensuring an insecticidal effect.

The invention discloses a porous medium penetration slip-casting multi-parameter monitoring device and a test method thereof. The monitoring device comprises a slip-casting apparatus, which his connected to an inlet cabin. The inlet cabin is connected to one end of a connection steel pipe through connecting pieces, and the other end of the steel pipe is connected to an outlet cabin through connecting pieces. A joint position of the inlet cabin and the steel pipe and a joint position of the outlet cabin and the steel pipe are both provided with filter plates. The steel pipe is provided with a press measuring device. Slurry discharge pipes are connected at the bottom of the steel pipe, and a volume measuring apparatus is disposed below each slurry discharge pipe and positioned above a weighing apparatus. The filter plate of the outlet cabin is connected with a screw, and the screw is provided with a lower packing box. The outlet cabin is equipped with a flow measuring apparatus. The monitoring device helps to solve the problem of monitoring key parameters during porous medium penetration slip-casting. Compared with conventional research, the monitoring device has the advantages that various parameters can be monitored, the monitoring precision is high, the boundary effect of the device can be eliminated, and the device is adjustable in dimension and simple to operate.

The invention discloses an intelligent power surfboard and belongs to the technical field of surfboards. The intelligent power surfboard comprises a board body unit capable of floating on water, a power unit, a control unit and a propelling unit. The control unit comprises a handle, a handle pull line, a rubber sleeve, an air inlet and outlet pipe and a battery box. With the heading direction of the surfboard as the benchmark, a cavity is formed in a board body, an opening of the cavity is formed in the upper surface of the board body, the power unit is contained in the cavity, a front cover plate is detachably fixed to the hollow cavity in a covering mode, a gear steering device is arranged on a gasoline engine, the power unit transmits power to the propelling unit, the propelling unit propels the surfboard to move forwards, and the control unit controls the output power of the power unit and the heading direction of the surfboard. According to the surfboard, a user can know related parameters of the surfboard engine at any time, the functional defects of an existing surfboard are overcome, and it can be ensured that the user is in a suitable environment all the time.

The invention provides a DC charging machine with a charging gun temperature monitoring module and a temperature control method of the DC charging machine. The charging machine includes a main controller and a human-computer interactive display screen, a card swiping module, a power supply module, a charging gun temperature monitoring module, a power module, an insulation detection and discharge module and a DC power meter all connected with the main controller. The charging gun temperature monitoring module comprises a single-chip microcomputer and a debugging downloading unit, an acquisition control unit, a power conversion unit, a CAN1 bus and a CAN2 bus all connected with the single-chip computer which is connected with the charging gun through the CAN1 bus and connected with the main controller through the CAN2 bus. The power conversion unit is connected with the power supply module, and the acquisition control unit is connected with a K1 contactor, a K2 contactor and the charging gun separately. The charging gun temperature monitoring module can upgrade a charging gun of an existing charging pile, and through the technical scheme above, a temperature control method can be realized, which can effectively monitor the working temperature of the charging gun so as to ensure a safe and intelligent environment for a user.

The invention discloses an experimental table of a wind-driven generator pitching slewing support, comprising an axial loading frame, an axial force-loading cylinder, two same-specification pitching slewing supports to be experimented, a large gear, a left connecting board, a right connecting board, a slewing support-mounting base, an overturning moment loading arm, an overturning moment loading cylinder, a power-driving module and a radial force-loading cylinder. The invention can simulate the operation state of a wind-driven generator pitching slewing support under various complicated loads in a vertical mounting state, detect the starting moment of the pitching slewing support, monitor the resistance moment, roller abrasion amount, lubricant temperature and vibration signals in operation in real time and estimate the fatigue service life of the pitching slewing support.

The invention discloses a real-time water sample acquiring system which comprises a towed body arranged in a sampling water area, a water sampling pipe, a water sampling device, a hydrological parameter detector and a location device, wherein the water inlet end of the water sampling pipe is arranged on the front end of the towed body; the water sampling device is communicated with the water outlet end of the water sampling pipe, and is used for acquiring a water sample through the water sampling pipe; the hydrological parameter detector is used for detecting hydrological parameters of the sampling water area; and the location device is used for obtaining geographical location information of the sampling water area. The real-time water sample acquiring system can be used for acquiring a water sample suitable for trace analysis, can continuously work when a ship is in a sailing state and can also be used for recording hydrological data and location information of the water sample in real time. The invention also provides a real-time water sample acquiring method. According to the invention, hydrological data such as temperature, salinity and depth are monitored in real time while the water sample is acquired, and a real-time and synchronous water sampling sailing track is obtained through a global positioning system and data acquisition. The system and the method meet the requirement of trace analysis sampling and dynamic continuous sampling and further provide detailed real-time sailing track and hydrological information.

The invention discloses an intelligent electricity exchange cabinet. The intelligent electricity exchange cabinet comprises a power exchange cabinet body, a battery, a control bin chamber is arranged on the cabinet body of the power exchange cabinet, a control unit is arranged in the control bin, a battery containing bin is arranged on the power change cabinet body, an electromagnetic anti-theft device is arranged in the battery containing bin, the electromagnetic anti-theft and dismounting device is electrically connected with the control unit, a charging connector is arranged in the battery containing bin, a temperature detector is arranged in the battery containing bin, the temperature detector is electrically connected with the control unit, the battery is arranged in the battery containing bin, an adsorption device is arranged at the bottom of the battery, and a charging interface is arranged at the top of the battery. According to the intelligent electricity exchange cabinet, the user can place the non-electric battery in the electricity exchange cabinet for safe charging and can quickly replace the battery with full electricity, so that the continuous endurance of the electric vehicle can be realized; the temperature in the battery containing bin can be monitored in real time through the set temperature detector, so that an accident that an overcharge heating explosion occurs when the battery is charged is avoided; due to the arrangement of the electromagnetic anti-theft device, the battery can be protected from being stolen, and the safety of the battery is effectively protected.