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

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 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 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 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 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.