186results about How to "Reduce work impact" patented technology

The invention discloses a compact relativity backward wave oscillator (RBWO) with an adjustable low-frequency-range frequency, and the oscillator provided by the invention is used for solving the problems that the RBWO size in a low frequency range is great, and the output microwave frequency is hard to adjust. The compact RBWO is in rotational symmetry with respect to a central axis, and composed of a cathode base, a cathode, an anode outer barrel, a stop neck, a slow wave structure, an inner conductor, a collector, a microwave output port, a solenoid field, two rows of supporting rods, a mode converter, a radiation port and a sealing plate; the slow wave structure is composed of five slow wave blades, the inner surface of each slow wave blade is in a trapezoid structure; the left end face of the collector is provided with an annular groove; the left end of the mode converter is cylindrical, and the right end of the mode converter is in a tapered structure; the radiation port is cylindrical, the left end of the radiation port is in a tapered structure and the right end of the radiation port is cylindrical; the sealing plate is pressed on the radiation port; and the frequency of the output microwave is adjusted by virtue of adjusting the semi-diameter R3 of the inner conductor. The compact RBWO has the advantages of compact structure and convenient and adjustable work frequency, thereby being beneficial to outputting a long pulse of the microwave.

The invention relates to microwave source devices in the technical field of high-power microwaves and provides a wave-band-cross mechanical frequency modulation relativity back wave oscillator. The wave-band-cross mechanical frequency modulation relativity back wave oscillator comprises a cathode seat, a cathode, an anode outer cylinder, a cut-off neck, a slow wave structure, an inner conductor, a collector, a microwave output and a solenoidal magnetic field. The inner conductor is a cylinder, by adjusting the length of the inner conductor, the frequency of outputting microwaves can be adjusted, and outputting of wave-band-cross microwaves is achieved. An annular groove is formed in the collector, and a supporting rod is fixed on the anode outer cylinder. The wave-band-cross mechanical frequency modulation relativity back wave oscillator has the advantages that by adjusting the length of the inner conductor, frequency can jump between L wavebands and S wavebands, the adjusting manner is simple, the frequency in the wavebands can be adjusted, the bandwidth in the L-waveband frequency is adjusted by 7% or so, and the bandwidth in the S-waveband frequency is adjusted by 2% or so. The outer radius of a slow-wave vane can have a low value, and miniaturization is achieved. A groove structure is reserved at the left end of the collector, reflection of the tail end of the device can be increased, and achieving long-pulse outputting of the wavebands is facilitated.

The invention discloses a continuous type traction power supply system based on multilevel converters connected in parallel. The continuous type traction power supply system is formed by connecting multiple continuous traction power supply substations in parallel and establishing networks. Traction networks of every two adjacent substations are directly connected, so that a continuous traction power supply network is formed. Each continuous traction power supply substation is composed of an input step-down transformer which is connected to a three-phase power grid, one or more multi-level three phase-single phase alternating current-direct current-alternating current converters which are connected in parallel and are connected with the output end of the input step-down transformer and an output boosting transformer connected with the converters and the traction network. By the adoption of the continuous type traction power supply system based on the multilevel converters connected in parallel, active power can be absorbed from the three-phase power grid and provided for the traction networks, and active power can also be absorbed from the traction networks and fed back to the three-phase power grid, each substation has the characteristic of a controllable voltage source, so that continuous traction network power supply to an electrified railway can be achieved, electricity phase splitting is thoroughly eliminated, and the electricity quality is greatly improved. Due to the fact that the structure that the multilevel converters are connected in parallel is arranged in each substation, the capacity is increased, and the reliability and the redundancy of the traction power supply system can be well improved.

The invention discloses a voltage regulator and a reference voltage generating circuit thereof. The voltage regulator comprises a reference voltage generating circuit, a comparator, a driving unit and a feedback unit, wherein the input end of the driving unit is connected with the output end of the comparator; the output end of the driving unit serves as the output end of the voltage regulator; the input end of the feedback unit is connected with the output end of the driving unit; the output end of the feedback unit is connected with the first input end of the comparator; the reference voltage generating circuit comprises a first voltage dividing unit and a second voltage dividing unit; the first voltage dividing unit is used for dividing a first voltage in the working mode of a load unit to generate a first reference voltage input to the second input end of the comparator; the second voltage dividing unit is used for dividing a second voltage in the standby mode of the load unit to generate a second reference voltage input to the second input end of the comparator; and the second reference voltage is greater than the first reference voltage. According to the invention, the influence of amplitude perturbation on the work of the load unit can be lowered, and the floor area of a decoupling capacitor is small.

The invention discloses a repeatable connecting and separating device. The repeatable connecting and separating device comprises a shell, a motor, a driving part, a locking hook, a guide part and pinshafts, wherein the motor is installed on the shell, the locking hook, the driving part and the shell sleeve the guide part in sequence, after the pin shafts are fixedly connected with the locking hook, the two ends of the pin shafts protrude on the surface of the locking hook, one ends of the pin shafts are clamped into first curve grooves of the guide part, and the other ends of the pin shafts are clamped into second curve grooves of the driving parts; the shell is fixedly connected with the guide part; the motor drives the driving part to rotate horizontally, the driving part horizontally rotates to make the pin shafts relatively move in the second curve grooves of the driving part, and meanwhile, the relative motion of the pin shafts is limited by the first curve grooves of the guide part; the pin shafts drive the locking hook to stretch out of or draw back from the shell; the locking hook is used for locking or unlocking an outer connecting and separating device. A fastening separating device of a modularized spacecraft comprises a compressing releasing device and the repeatable connecting and separating device.

The invention relates to a radar device and a control method. The device comprises a controller, a transmitter, a transmitting antenna and a receiver; the device further comprises a controllable attenuator, and a first signal input end of the controllable attenuator is connected with a signal output end of the transmitter; a second signal input end of the controllable attenuator is connected with a second signal output end of the controller; a signal output end of the controllable attenuator is connected with a signal input end of the transmitting antenna; a signal output end of the receiver is connected with a signal input end of the controller; the transmitter generates a detecting signal, and the detecting signal is transmitted to the controllable attenuator; the controllable attenuator adjusts power of the detecting signal sent to the transmitting antenna according to a control signal of the controller; and the controller determines an interference signal according to an echo signal received by the receiver, and adjusts the detecting signal of the transmitter according to the interference signal. Mutual interferences between radar devices in the same area can be prevented, and detection performance is improved.

The invention relates to a double rubber combined oil seal forming die and a forming method thereof. The double rubber combined oil seal forming die comprises an upper die, a middle die, a lower die, a die core and a rubber pressurized die, wherein, the lower die, the upper die and the middle die are combined so as to form a first rubber cavity in an encircling manner, and the upper die and the die core supported by the lower die are combined so as to form a second rubber cavity in an encircling manner; an oil seal support framework arranged in the first rubber cavity is connected with a rubber sealign rib of the lower die in a supporting manner; the second rubber cavity is shaped in advance and then is arranged inside the second rubber cavity formed on the upper inclined surface of the die core; and after first rubbers are filled in a rubber injection cavity of the upper die the first rubbers are injected to the first rubber cavity by the rubber pressurized die through the rubber injection cavity, a first rubber body is processed through vulcanization shaping and secondary vulcanization according to a conventional rubber vulcanization shaping method. The combined oil seal forming die with the double rubbers and the forming method thereof have the advantages as follows: the operation of the die forming technology is simple, the finished product ratio is high, the oil seal structure that is formed in an injection compressing manner is more compact, and the service life of the oil seal can be prolonged.

The invention relates to a hand-operated back-washing filter with a filter screen. The hand-operated back-washing filter is composed of a sewage draining assembly, a water inlet cavity, a middle cavity and a filter cavity, wherein the sewage draining assembly comprises a sewage draining pipe, a handle, a sealing cover and a sewage inlet, the sewage draining pipe penetrates through the center of the water inlet cavity to reach the top end of the filter cavity, the middle cavity is in a hollow plum-column shape arranged symmetrically by taking the sewage draining pipe as a center, a sewage draining channel is arranged in the middle cavity, and the filter cavity is composed of a shell and multiple filter elements. When the filter works, the sealing cover is positioned at the middle part of two openings on the bottom surface of the water inlet cavity, the sewage inlet is closed by a side wall of the middle cavity, and at the moment, source water enters the filter elements to be filtered; impurities are accumulated in the filter element, when the difference of the inlet pressure and the outer pressure reaches the designed upper limit value, the handle is rotated, the sealing cover seals one opening on the bottom surface of the water inlet cavity, the sewage inlet is justly communicated with the sewage draining channel, and the filter element is in a back-flushing state. The hand-operated back-washing filter has compact structure and low manufacture cost, each filter element can perform back flushing independently, sewage drainage is performed in a nonstop manner, the impact on the normal operation of the system is little and the working efficiency is high.

The invention provides a secondary box structure of a planet wheel system of a speed changing box. According to the technical scheme, the secondary box structure comprises a oblique-tooth planet wheel system of a secondary box and a secondary box synchronizer, wherein the secondary box synchronizer is located in front of the planet wheel system. The secondary box structure of the planet wheel system of the speed changing box has the beneficial effects that the structure is simple and the design is reasonable; the secondary box synchronizer is located in front of the planet wheel system, so that the length of an output shaft of a planet frame is shortened, and the stressing condition of the output shaft is improved; and the planet wheel system adopts oblique teeth to improve the bearing capability of a gear.

The invention relates to marine monitoring equipment, in particular to an acoustic releaser and a releasing method thereof. The acoustic releaser comprises a control main machine, a releasing nut, a hanging frame, a rope bin, a rope, a rope drum cover and a floating ball. The control main machine comprises a main machine outer shell and a machine core. An acoustic transmission hole is formed in the main machine outer shell. The machine core comprises a drum body and an acoustic transducer, a circuit board, a battery, a motor and an output shaft, wherein the acoustic transducer, the circuit board and the battery are arranged in the drum body. The acoustic transducer is connected with the circuit board. The circuit board is connected with the direct-current motor. The direct-current motor is connected with the output shaft. The output shaft is connected with the releasing nut. The main machine outer shell and the rope bin are each in a drum shape. The rope bin and the main machine outer shell are parallelly fixed. The rope drum cover is movably connected with the rope bin. One end of the rope is connected with the hanging frame. The other end of the rope penetrates through the rope bin, and the other end of the rope and the control main machine are fixed together. The tow ends of the hanging frame are correspondingly and fixedly connected with the rope drum cover and the releasing nut. The floating ball is installed on the control main machine or the hanging frame.

The present invention discloses an electrified railway three-phase photovoltaic DC side energy storage system and a control method thereof. A three-phase access mode is used by a photovoltaic power generation system, and an energy storage device is connected to a photovoltaic direct-current side. The operating mode selection is carried out according to real-time detection data and a processing result, and combined with traction load characteristics, a strategy of self-generation and use and extra power for grid is used. When a traction load is detected, a self-generation and use mode is used,when the power is supplied to the load, extra electric energy is stored in energy storage equipment, and an effect of 'peak-load shifting' is achieved. When an electric arm idle load is detected, themode is switched to an extra power for grid mode, and photovoltaic and energy storage equipment transmits electric energy to a grid at the same time. The reasonable dissipation of photovoltaic energycan be realized, a discarded electric quantity is reduced, at the same time, a configured energy storage capacity is reduced, and the economic efficiency of the system is improved.

This invention discloses an intelligent bathing control system based on cloud task scheduling. The system comprises a cloud server, a plurality of clients, and a plurality of intelligent bathing devices, such as the water heater and the bathtub, and the like. The system is framed through a cloud system, so that family members and other friends thereof can remotely control the intelligent bathing devices through clients; when the family members cannot remotely control the intelligent bathing devices, the family members can entrust other friends to control; according to the trust degree of the family members and the friends, cloud task commands can be filtered and scheduled; the intelligent bathing devices can be delegated to be controlled; and simultaneously, the control safety is improved; a plurality of same remote task commands from a plurality of users can be selected; thus, unnecessary task transmission and network overhead can be reduced; unnecessary consumption of the intelligent bathing devices can be avoided; and the accuracy for executing the remote control to the intelligent bathing devices can be improved.

The invention relates to a method and a system for automatic and quick start for power-off of a unit as well as an air conditioner. The method comprises steps as follows: the operation state of a unit is detected, and operation parameters of the unit at the moment of power-off are recorded when the unit is powered off; when the unit is powered on, power-off faults are eliminated, and the unit enters the quick start phase; and when real-time working parameters of the unit reach the operation parameters at the moment of power-off, the quick start phase is ended, and the unit enters the normal operation state. With the method and the system, the function of automatic and quick start after power-off is increased, and the unit automatically enters the quick start phase under the conditions that the power-off time and the unit power-on temperature after power-on meet preset start conditions, so that the unit reaches the working parameters at the moment of power-off again, the restart time after power-off of the unit is shortened, and the load of the unit is prevented from fluctuating.

The invention discloses a rotor position detection device for a brushless DC motor or an AC permanent magnet synchronous motor. The device comprises a rotor angle position double-redundancy detectiondevice arranged outside the brushless DC motor or the AC permanent magnet synchronous motor, a rotary transformer signal conditioning circuit unit and a magnetic-rotation encoder level signal conditioning unit which are connected to the rotor angle position double-redundancy detection device, and a digital signal processor connected to the rotary transformer signal conditioning circuit unit and the magnetic-rotation encoder level signal conditioning unit, wherein the rotor position double-redundancy detection device is formed by a rotary transformer assembly and a magnetic rotation encoder assembly. Compared with the prior art, the requirements for rotor position detection of the brushless DC motor and the AC permanent magnet synchronous motor can be met at the same time, and meanwhile, the device has a commutation level signal of the brushless DC motor and a high-precision angle position resolution and zero-position re-adjustment capability. A system can still obtain the correct rotorangle under a condition of sensor failure, so that the reliability of the system is improved.

The present invention discloses an intelligent control system of lighting device(s), pertaining to the technical field of intelligent device(s) of lighting system(s). The system can solve the problemsof the conventional electrical lighting device(s), for example, the conventional electrical lighting device(s) emit the same light intensity when an operator of no matter what type of work is at work, so that the using value of the electrical lighting device(s) is not fully utilized. The system comprises the lighting device(s), wherein the lighting device(s) can emit the light intensities of different lighting levels; a data transmission device used for transmitting work number(s) corresponding to the type(s) of work and work position(s) corresponding to the type(s) of work; a central processor; a lighting device positioning device used for positioning the position(s) of the lighting device(s); a lighting level database, wherein the lighting level database stores the position(s) positioned by the lighting device positioning device and the lighting level(s) corresponding to the work number(s); and a lighting device control device used for controlling the lighting level(s) correspondingto the lighting device(s) located at the corresponding work position(s). The intelligent control system of the lighting device(s) can improve the energy utilization rate of the lighting device(s).

The invention discloses an adjustable mouth opening trainer, and belongs to the field of medical auxiliary instruments. The adjustable mouth opening trainer comprises two semi-arc supporting rods, two connecting rods and a connecting shaft, one end of each connecting rod is fixedly connected with one end of the corresponding supporting rod, the other end of each supporting rod is bent towards the direction perpendicular to the arc plane of the supporting rod to form a bending part, one bending part is provided with a semicircular upper tooth support, the other bending part is provided with a U-shaped lower tooth support, the connecting positions of the two connecting rods and the supporting rods are connected through the connecting shaft in a rotating mode, a spring is arranged between the two connecting rods, one connecting rod is provided with a caliper with scales, the other connecting rod is provided with a shifting sheet, and the shifting sheet is connected with the caliper in a clamping mode. The adjustable mouth opening trainer is reasonable in design, is used for preventing a patient from getting the complication about difficult mouth opening and treating the complication, improves the curative effect, and is capable of measuring and gradually increasing the mouth opening degree of the patient and convenient to use. The adjustable mouth opening trainer can be used when the patient sleeps at night, normal sleeping is not affected, the effect on daytime working from mouth opening training is reduced, the adjustable mouth opening trainer is more comfortable, effective and suitable for being popularized and used.

The invention discloses a prevention and control method for deep pressure relief and shallow reinforcing of an advanced coal body of a rock burst mine. The prevention and control method comprises thefollowing steps of constructing a pressure relief chamber at an interval of L2 within a range L1 + L2 away from a cutting hole before stoping of a working surface, advancing L2 for the working surfaceafter stoping, continuously constructing a next pressure relief chamber at the interval of L2, through mutual cooperation of the front pressure relief chamber and the rear pressure relief chamber ina structural unit, enabling a pressure relief project to be transferred to a deep part, so that roadway shallow surrounding rock damage caused by the pressure relief project is reduced; and through mutual cooperation of supporting bodies and inner and outer grouting holes in a reinforcing project, enabling an integral grouting reinforcement area to be formed between a front pressure relief hole and a rear pressure relief hole. According to the prevention and control method, the contradiction between rock burst prevention and control of a small coal pillar gob-side roadway and roadway supporting can be effectively solved, high stress borne by a shallow coal body of the working face gob-side roadway is transferred to the deep part, and shallow grouting reinforcement, pressure relief and reinforcement engineering are moved into the pressure relief chambers, so that the influence on the normal work of the working face is further reduced.

The invention provides a dampproof anti-shock electrical cabinet. The electrical cabinet comprises a cabinet door and a cabinet body, and also comprises a temperature sensor, a fan, a dampproof layer, an anti-shock layer, a humidity sensor, a controller and a dehumidifier, wherein the temperature sensor, the humidity sensor, the controller and the dehumidifier are arranged on the inner side of the cabinet body; the fan is arranged on one side of the cabinet body; the temperature sensor, the humidity sensor, the dehumidifier and the fan are electrically connected with the controller; the dampproof layer is arranged below the cabinet body; and the anti-shock layer is arranged below the dampproof layer. The dampproof anti-shock electrical cabinet has the beneficial effects of simple structure, reasonable design, and good dampproof anti-shock effect.

An electromagnetic control valve for a variable displacement compressor is mainly composed of valve parts, electromagnet parts and pressure sensing parts which are arranged on the same axis. The electromagnet parts are arranged between the valve parts and the pressure sensing parts, and each valve part comprises a valve body and a valve element arranged in the valve body, wherein the opening end of the lower end of the valve body is connected with a valve element support plate in an interference fit mode, the lower end of the valve element is contained in a middle through hole formed in the valve element support plate, and an inner cavity of the valve body is provided with multiple through holes which are used for communicating the exhaust pressure, the suction pressure and the crank pressure; the electromagnet parts can generate an electromagnetic force used for driving the adjacent valve element arranged over the electromagnet parts to move after being powered on; the pressure sensing parts can also generate a force used for driving the valve element to move due to the change of the suction pressure. The electromagnetic control valve for the variable displacement compressor has the advantages of being reasonable in structure, capable of improving the control precision and being used for the variable displacement compressor without a clutch, beneficial for the lightweight design of a car and the like.

The invention claims a device and a method for tracking processor address data. The device comprises a data collection device, a trigger device, a synchronization information generating device, a data packet generating device, a data packet storing device and a data packet deriving device. The method comprises the following steps of: converting processor address data information into a processor address data packet according to a predetermined triggering condition and synchronously generating the synchronization information corresponding to the current processor address data information; storing the converted processor address data packet and the generated synchronization information; and deriving the processor address data packet and the synchronization information according to an external command. In the device and the method for tracking processor address data, the real-time collection and the quick derivation of the processor address data information are realized, the actual work influence on the processor is reduced, and it is more convenient for the research personnel to find the design deficiency on a hardware, analyze a system bottleneck and optimize programs.

The invention discloses an RFID (radio frequency identification) passive sensing device for measuring the temperature of the cable head conductor of a ring main cabinet. The device comprises an RFID passive sensor, an RFID temperature reader antenna and an RFID temperature reader; the RFID passive sensor comprises a passive temperature measuring mechanism and an electromagnetic shielding mechanism, wherein the passive temperature measuring mechanism includes a first housing, an RFID tag, a temperature sensor, and a temperature measuring contact; the RFID temperature reader includes a second housing, an integrated sealing cover, a wireless transmitting / receiving module, an external communication module, a controller, a storage battery and a display screen; and the RFID temperature reader antenna and the controller are connected with each other. The RFID (radio frequency identification) passive sensing device for measuring the temperature of the cable head conductor of the ring main cabinet of the invention has the advantages of reasonable structure, simple structure, convenient use, strong anti-interference capacity, small size, high stability, convenient installation, long readingdistance, high safety, high reliability and the like. With the device of the invention adopted, the problem of potential safety hazards during the measurement of the temperature of the cable head conductors of ring network cabinets in the prior art can be solved.

The invention relates to a fan lightning protection device, in particular to a fan blade lighting protection device. The device comprises a fan blade and a lightning arrester installed on the fan blade. The tip of the fan blade is sleeved with an electric conduction cap, the inner surface of the electric conduction cap is attached to the outer surface of the tip, the electric conduction cap is connected with the fan blade in a fastened mode, and the back of the electric conduction cap and the lightning arrester are connected in an electric conduction mode and assembled in a fastened mode. The fan blade lightning protection device has the advantages of being capable of effectively protecting the tip of the fan blade from being damaged by lightning, good in lightning protection effect, simple in structure, easy and convenient to install and use and good in safety performance.

The invention discloses a self-water-cooled energy-saving motor for a centrifugal pump. The energy-saving motor comprises a base. A bottom plate is fixedly connected with the upper surface of the basethrough a bolt. A motor body is fixedly mounted on the upper surface of the bottom plate. A pump body is further fixedly mounted on the upper surface of the base and located on the right side of thebottom plate. The pump body comprises a pump cover. A groove is formed in the pump cover. A mechanical seal is fixedly mounted in the groove. A rotary shaft is fixedly sleeved with the interior of themechanical seal. The right end face of the mechanical seal is attached to the inner bottom wall of the groove. The right end of the rotary shaft penetrates through the pump cover and extends to the right side of the pump cover. According to the self-water-cooled energy-saving motor, by winding a heat exchange pipe on the outer surface of the motor body, water extracted into the pump body during operation of the centrifugal pump can flow through the heat exchange pipe and absorbs heat generated by the motor during operation, the working temperature of the motor is lowered, the energy consumption of the motor is reduced, the radiating effect is good, and the energy conservation effect is achieved.

The embodiment of the invention provides a message processing method and device, network equipment comprises a plurality of MDCs, and the network equipment receives a first message belonging to the first MDC; whether the first token number in the token buckets of the first MDC is smaller than a preset first threshold value or not is judged, the first sum value of the token numbers in the token buckets of the multiple MDCs is smaller than or equal to the total token number in the network equipment, and the token number in the token bucket of each MDC is determined according to the CPU time occupied by the MDC; and if the first token number is smaller than the first threshold value, discarding the first message. By applying the technical scheme provided by the embodiment of the invention, the problem that the normal work of other MDCs is influenced when one or more MDCs in the network equipment are subjected to network attack can be solved.

The invention discloses a refrigerator with an air duct coated with an antiseptic and odourless coating and a purification control method thereof. The refrigerator comprises a box body and an air ductassembly, a compartment is arranged in the box body, the air duct assembly communicates with the compartment , and at least one part of the air duct assembly is coated with the antiseptic and odourless coating. The technical scheme provided by the invention can effectively solve the problem that the refrigerator in the prior art either needs to add some additional devices to realize a sterilization function, occupies the original space of the refrigerator, or uses the antiseptic coating but cannot take into account the scope and cost.

The invention discloses a collection method and a collection device for coal mine ventilation air methane. The collection device comprises a transitional pipeline and an air collection pipeline, wherein the transitional pipeline is a reducer pipe of which the diameter is reduced gradually; the large end of the transitional pipeline is connected to an air collection opening which is adjacent to the streamline ending position of an outlet on the outer side of a diffuser of a main ventilator of a mine; and the air collection pipeline is connected to an outlet at the small end of the transitional pipeline. In the collection device, the air collection pipeline collects ventilation air methane by utilizing the loss of the kinetic energy of the ventilation air methane under the guiding action of the transitional pipeline, so the normal work condition of the coal mine main ventilator is not influenced, new energy consumption is also not formed, the utilization rate of coal mine methane is improved, and a greenhouse gas effect is avoided. The collection device has a simple structure, is convenient to use, low in collection cost and high in recovery benefit, and can be widely suitable for collecting the ventilation air methane discharged from the diffuser of the coal mine main ventilator.

The invention discloses an online calibration method of indicator diagram test equipment and a connection structure thereof. In the invention, one standard indicator diagram test equipment is installed on an oil pumping unit tested by online indicator diagram test equipment which needs to be calibrated so that the standard indicator diagram test equipment and the online indicator diagram test equipment can simultaneously collect a load and displacement data of the oil pumping unit during normal working under a same test working condition. Therefore, a standard indicator diagram can be obtained through testing by using the standard indicator diagram test equipment and an online indicator diagram can be obtained through testing by using the online indicator diagram test equipment. A difference of two data can be obtained after comparing the data of the standard indicator diagram with the data of the online indicator diagram. According to the difference, the online indicator diagram test equipment can be calibrated. In the invention, investment is small, a working efficiency high, operation is convenient and calibration precision is high. An influence on the oil pumping unit is small. A labor intensity of operation personnel can be substantially reduced. The method and the connection structure have many other advantages.

The invention discloses a cloud task scheduling-based intelligent heating control system. The system comprises a cloud server, a plurality of user sides and intelligent heating equipment. Through a cloud system architecture, the system enables family members and friends thereof to control the intelligent heating equipment remotely through the user sides; when the family members cannot control the intelligent heating equipment remotely, the family members can entrust the friends to control; cloud task commands are filtered and scheduled according to the trust degrees of the family members and the friends; while the entrusting control of the intelligent heating equipment is realized, the control safety is improved; meanwhile a plurality of identical remote task commands from a plurality of users are selected, the unnecessary task transmission and network overhead are reduced, the unnecessary loss of the intelligent heating equipment is avoided, and the accuracy of remote control of the intelligent heating equipment is improved.

The embodiment of the invention discloses a federal learning method, device and equipment. According to the scheme, the method comprises the following steps: determining a plurality of client groups obtained by clustering according to the similarity between clients and representative clients in the client groups; sending a training request to the client group by the representative client; receiving training data of a part of clients in the client group fed back by the representative client, wherein the part of clients are determined by a pre-trained elastic uploading prediction model according to client states; and determining gradient data through the training data, and sending the gradient data to the representative client, so that the clients in the client group perform gradient updating.

The invention discloses an experimental heating device. The experimental heating device comprises a base, a water cooling base, a heating piece, a first shielding layer, a second shielding layer and an upper cover. The water cooling base is arranged on the base, and the upper cover is arranged on the water cooling base. A heating piece installing groove is formed in the upper end face of the water cooling base, the heating piece is installed on the heating piece installing groove, and the heating piece is connected with an external power source through a circuit. The first shielding layer is arranged on the lower end face of the upper cover, and a containing space is reserved between the heating piece and the first shielding layer. Observation holes are formed in the middle of the first shielding layer and the middle of the upper cover. A circulating water pipeline is arranged in the water cooling base, and a circulating water inlet and a circulating water outlet are formed in the side wall of the water cooling base. The second shielding layer is arranged between the base and the water cooling base. The water cooling structure is adopted for cooling the device, heat radiation of the device to surroundings is reduced through the shielding layers, heat transfer between the device and the external structure is accelerated through the base, heat gathering is avoided, and therefore the influences of heat transfer on normal work of a scanning electron microscope in the heating process are effectively reduced.