69results about How to "Avoid work overload" patented technology

The invention relates to a processing method applicable to network video monitoring of a digital light processing (DLP) multi-screen splicing display wall. In the method, each display unit is provided with a built-in personal computer (PC) which performs single-image and multi-image signal processing on a remote-end IP camera signal, and the processing process comprises the following steps: a network camera is started; the display unit of the built-in PC is started; the built-in PC in the display unit automatically starts a client; the display unit monitors and plays the camera signal; a built-in splicing processor of the DLP multi-screen splicing display wall finishes image splicing and amplifies, minifies and moves the signal; the DLP multi-screen splicing display wall displays the processed signal; and multi-channel signals are displayed by repeating the steps. Compared with the prior art, the method of the invention has low cost, is simple in construction and can ensure infinite increase of the number of monitoring signal sources along with digital matrix functions, and the like.

The invention relates to a solar assisted heat pump heater and a control method. The heater comprises a heat pump system, wherein the heat pump system comprises a blow expansion type evaporator, a compressor, a condenser and an electronic expansion valve and is used for allowing cold media to flow, and the condenser is arranged in a water tank and / or outside the water tank, so that the cold media flowing through the evaporator are subjected to heat exchange with water in the water tank; temperature sensors for detecting temperature of the flowing cold media are arranged on an air suction pipeline and an air exhaust pipeline of the compressor respectively. When the temperature Tr of the water tank is lower than a set value T1, corresponding electronic expansion valve opening is obtained according to a temperature detection value of an air suction end of the compressor; when the temperature Tr of the water tank is higher than the set value T1, the corresponding electronic expansion valve opening is obtained according to a temperature detection value of an air exhaust end of the compressor. According to the device and the method, indexing control is adopted according to the water temperature of the water tank during heating of the heat pump, so that the control precision of the electronic expansion valve is higher in a preparation process, the heating efficiency is improved, and the energy consumption is reduced.

The invention provides network equipment and a power consumption control method thereof. The network equipment comprises a plurality of power supply units, a central processing unit and a substrate management controller, wherein the power supply units supply power to the central processing unit, and each power supply unit is provided with a rated power; and the substrate management controller is used for detecting whether all the power supply units normally work or not, and when one or more of the power supply units are detected to be incapable of normally supplying power, the power consumption of the central processing unit is correspondingly regulated by the substrate management controller so as to be equal to the total power supplied by the remained power supply units for normally supplying power.

The invention provides an electrical appliance management system which is used for electrical appliance management of electrical appliances. The electrical appliance management system comprises a main manager, at least one tail end connected with the main manager through a signal connection mode and a control panel, and the electrical appliances are electrically and correspondingly connected with the tail end one by one. The invention further provides an electrical appliance management method of the electrical appliance management system, and the electrical appliance management method comprises an overload protection mode, a newly-added electrical appliance protection mode and a timing on-and-off mode. When a single electrical appliance breaks down, the electrical appliance management system can effectively judge faulted electrical appliances and adopt real-time and effective measures.

The invention discloses stirring equipment used for municipal construction. The equipment comprises an equipment body. A feeding barrel is arranged on the upper side of the equipment body. A feeding hopper is arranged at the left end of the upper side of the feeding barrel. A feeding mechanism is arranged in the feeding barrel and comprises a feeding screw and a screw blade arranged on the outer wall of the feeding screw. The left end of the feeding screw is connected with a motor. A pre-crushing mechanism is arranged on a right section of the feeding barrel. According to the stirring equipment used for municipal construction, automatic feeding can be achieved, raw materials are pre-crushed in the feeding process, the stirring efficiency is improved, circulating flowing of concrete is achieved through vertical moving of vibro-rammers and the guiding effect of an inner barrel, stirring screws are used for stirring the concrete and driving the concrete to rise in the stirring process, and the stirring effect is greatly improved; and in addition, a damping bracket can be used for achieving effective shock absorption and prevention, and the service life of the stirring equipment is prolonged.

The invention discloses a job scheduling method and system for airport ground service personnel, computer equipment and a storage medium, and relates to the technical field of airport ground scheduling. The method comprises the following steps: acquiring historical scheduling data and a flight schedule of an airport; carrying out pre-scheduling on the airport ground service personnel based on the historical scheduling data and the flight schedule the airport, and generating a pre-scheduling plan; when flights enter a range of X meters of the airport, generating a job schedule based on the pre-scheduling plan; and scheduling the airport ground service personnel according to the job schedule. According to the invention, scheduling is carried out according to the job schedule, the ground service personnel can be allocated more scientifically, task time and task load are distributed to each ground service person in a balanced mode, and time for waiting for task execution is shortened while the situation that the working intensity is overloaded is avoided; and on the premise of ensuring task load and task quality, the utilization rate of ground service personnel is improved, and labor cost is saved.

A heat dissipator having heat pipes includes a heat-conducting base, a first heat pipe and a second heat pipe. The heat-conducting base has an accommodating trough. After the first heat pipe is accommodated in the accommodating trough, it is deformed so as to abut against the inner wall face of the accommodating trough. Further, the second heat pipe and the first heat pipe are provided in the same accommodating trough, and the second heat pipe is overlapped vertically on the first heat pipe. As a result, the second heat pipe is deformed so as to abut against the first heat pipe and the interior of the accommodating trough, thereby enhancing the heat-conducting performance of the heat dissipator.

The invention provides a particle material drying robot which comprises a feeding mechanism, a stoving mechanism arranged on the rear portion of the feeding mechanism, a drying mechanism arranged on the upper portion of the drying mechanism, a discharging mechanism arranged on the rear portion of the stoving mechanism, and a control mechanism in signal connection with the feeding mechanism, the stoving mechanism, the drying mechanism and the discharging mechanism. To avoid the phenomena that in the prior art, drying efficiency is low and energy consumption is high during drying, the stoving mechanism is used for stoving materials, the feeing mechanism and the discharging mechanism are used for feeding and outputting the materials, the drying mechanism is used for rapidly recovering moisture in the materials, energy conversion and recovery are achieved while moisture is condensed and falls through a heat exchanger, and the drying effect is guaranteed while rapid drying is achieved.

The invention discloses a mobile detecting device applied to power monitoring. The device comprises a stroke pipe. A cable is inserted in the middle of a cavity in the stroke pipe. The cable is sleeved by a detecting trolley. A through hole is arranged in the middle of the detecting trolley. The cable is inserted into the through hole. Insertion holes are arranged in left and right sides in the detecting trolley. A detecting rod is inserted in each insertion hole. A ball is movably inlaid in the end, which contacts the cable, of each detecting rod. Limiting cavities are arranged in the middleof the left and right sides of each insertion hole. Each detecting rod is fixedly connected with a limiting ring on the outer side of a limiting cavity. A compression spring is fixedly connected between a limiting ring and the side wall of a limiting cavity. According to the mobile detecting device applied to power monitoring, elastic blocks are arranged to protect the device on the detecting trolley; and the detecting rods and laser displacement sensors are arranged to detect whether the cable works normally.

The invention relates to a control method and system for automobile air conditioner inner and outer circulation modes. The control method comprises the steps that the working mode of an air conditioner system is detected; the state of a compressor is detected; the air blowing mode of the air conditioner system is detected; the power state of an engine is judged; whether the conditions a, b, c and d are met at the same time or not is judged, if yes, the inner and outer circulation modes are adjusted into the inner mode, and if not, the current circulation modes are kept, wherein the condition a is that the air conditioner system is in the automatic mode, the condition b is that the compressor is in the start state, the condition c is that the air blowing mode is a non-window-blowing mode or a non-window-blowing foot-blowing mode, and the condition d is that the engine is in the power insufficient mode. According to the control method and system for the automobile air conditioner inner and outer circulation modes, the engine is prevented from working with overloads, and the service life of the engine is prolonged.

The invention relates to a pipeline composite dredging dust removal device and a dredging dust removal method using the same. The pipeline composite dredging dust removal device comprises a drilling part and a supporting walking part, wherein the drilling part comprises a spiral drill rod, a middle drill rod, stirring blades and a conical drill bit, and the supporting walking part comprises a front end supporting seat, a rear end supporting seat, a walking oil cylinder and walking wheels. The spiral drill rod is adopted and combined with the multiple groups of progressive stirring blades on the middle drill rod, so that the whole dredging work can be carried out, deposits and dust of the inner wall of a pipeline can be effectively removed, grading stirring can be carried out, and the overload work can be avoided; and a progressive structure is used and combined with the walking wheels by a walking device, and when the dredging operation is not carried out, the walking device advances quickly by the walking wheels, and when the dredging operation is carried out, the walking device advances by the progressive structure, and the walking wheels are controlled to participate in work according to the pressure of the walking oil cylinder, so that the working efficiency can be improved, and enough travel pushing force can be provided.

The invention relates to the technical field of railway vehicles and discloses a stepless adjusting quasi-zero stiffness central suspension device. The stepless adjusting quasi-zero stiffness centralsuspension device comprises a bogie and a fixing plate; a supporting plate is slidingly connected to the internal wall of the bogie; moving grooves matched with the two ends of the supporting plate are formed in the internal wall of the bogie; two symmetrically distributed slide grooves are fixedly formed in the upper surface of the supporting plate; slide blocks are slidingly connected to the internal walls of the two slide grooves; first arc plates are mutually and fixedly connected to the upper surfaces of the two slide blocks; and second arc plates are fixedly connected to the lower surfaces of the first arc plates. According to the stepless adjusting quasi-zero stiffness central suspension device, through two-stage shock absorption, the shock absorbing effect of the stepless adjustingquasi-zero stiffness central suspension device can be effectively improved, the vehicle body taking comfort can be improved, overload working of the stepless adjusting quasi-zero stiffness central suspension device can be effectively avoided, the service life of the stepless adjusting quasi-zero stiffness central suspension device can be prolonged, the buffering spring changing process of the stepless adjusting quasi-zero stiffness central suspension device is simple, convenient and fast, time and labor are saved, and the maintenance efficiency of the stepless adjusting quasi-zero stiffness central suspension device is enhanced.

The invention relates to a working height adjusting and control system and method for a rotary tillage tool of a rotary cultivator. The system comprises a control box, an angle sensor, a rotating speed sensor, a reverse gear sensor and a control button. The control box comprises a shell, a waterproof ring, a shell cover, a controller and a signal cable connector. The angle sensor is installed on the side face of the rotary tillage tool of the rotary cultivator, and the angle sensor is connected with the controller through the signal cable connector. The rotating speed sensor is installed beside a fly wheel of an engine of the rotary cultivator and connected with the controller through the signal cable connector. The reverse gear sensor is installed beside an advancing and reverse gear switching mechanism of the rotary cultivator. The control button is connected with controller through the signal cable connector. The controller is connected with an ascending electronic control valve and a descending electronic control valve which are arranged on the rotary tillage tool of the rotary cultivator. The invention further includes the working height adjusting and control method for the rotary tillage tool of the rotary cultivator. By means of the working height adjusting and control system and method, the working height of the rotary tillage tool of the rotary cultivator can be effectively adjusted under different working conditions, operation is easy and convenient, and the use effect is good.

The invention discloses a mixing device with a damping bracket for plastic production. The mixing device comprises a body, wherein a feeding cylinder is arranged on the upper side of the body; a feeding mechanism is arranged in the feeding cylinder and comprises a feeding screw and a screw blade arranged on the outer wall of the feeding screw; and a pre-crushing mechanism is arranged on a right section of the feeding cylinder and comprises four semispherical grooves symmetrically formed in the outer wall of the feeding cylinder, rolling cutting rotary shafts arranged at the centers of the semispherical grooves and rolling cutting blades arranged on the outer walls of the rolling cutting rotary shafts. The mixing device with a damping bracket for plastic production disclosed by the invention can realize automatic feeding; in the feeding process, the raw materials are pre-crushed, the crushing effect is good while the efficiency is high, and the stirring effect is good while the efficiency is high; the materials at the bottom in the body can be stirred and mixed, and the working efficiency of the mixer is improved; and the additional damping bracket can realize effective damping and shock prevention, and the service life of the mixer is prolonged.

The invention relates to the technical field of hat production devices, and particularly discloses a shaping device for hat production. The shaping device comprises a worktable and a lifting platform.Columns are fixed at the left and right ends of the worktable, and the top ends of the columns are provided with a conveyor belt in the rotating mode. The conveyor belt is provided with positioning holes. A first air box, an air compressor and a heating device are fixedly installed under the worktable, and the air compressor is communicated with the first air box and the heating device. A casingis fixed on the worktable, a cylinder is fixedly mounted at the top end of the casing, a lifting rod is arranged in the cylinder and connected with an upper mold and a rack, a gear is rotatably connected in the casing, and a rack is fixed on the lifting platform. The lifting platform is provided with a rotating seat and a first motor. The upper surface of the lifting platform is provided with a cold lower mold and a hot lower mold, and the cold lower mold and the hot lower mold are communicated with the first air box and the heating device. The shaping device has the advantages of simple structure, easy operation, high degree of automation, high energy utilization rate, small volume, light weight, economical use and easy manufacture and promotion.

The invention relates to a double-system circulation water cooling device. The device comprises a cooling unit, a freezing unit and a control unit, wherein the cooling unit comprises a first cooling tower, a second cooling tower, a cooling water tank and two workshop circulating water supply pipes; the first cooling tower and the second cooling tower separately communicate with workshop circulating water return water, the cooling water tank separately communicates with the first cooling tower and the second cooling tower, and the workshop circulating water supply pipes separately communicate with the cooling water tank; and the freezing unit comprises a freezing machine, a plate type heat exchanger, a cooling water circulation water pipe and a freezing water circulation water pipe. Compared with the prior art, the double-system circulation water cooling device has the advantages that the freezing unit can be automatically started or closed through a temperature sensor and an electric controller according to circulating water cooling temperature requirements; different circulating water cooling quantity requirements can be met, and working modes can be flexibly switched according to the variation of actual production requirements; the refrigerating quantity of the freezing unit is reasonably utilized, and coordination between production requirements and energy consumption reduction is realized; and the device is great in working stability and long in service life.

The invention discloses a household electrical appliance working monitoring method and device. The method comprises steps that the actual load power of a circuit branch is acquired according to the required working power of each household electrical appliance working simultaneously on the same circuit branch of the household power grid; the actual load power is compared with the preset maximum load power of the circuit branch; the actual load power is greater than the maximum load power, an electricity limit exceeding message is sent to a user, the household electrical appliances of the circuit branch are partially controlled according to a preset power adjustment mode, and the actual load power of the circuit branch is made to be smaller than the maximum load power. The method is advantaged in that according to the load capability of the circuit branch of the household power grid, the related household electrical appliances are controlled for work, on the condition that the householdelectrical appliances are guaranteed to continuously provide functional service, over-load work of the circuit branch is avoided, and electricity safety is guaranteed.

An environment protection type energy-saving hydraulic auxiliary power system for the hoisting machines (hoist, winder, elevator, fork truck, etc) is composed of hydraulic power system, hydraulic energy accumulator, hydraulic channel controller and timing power controller. It features that when the cargo is lifting, the hydraulic energy in hydraulic energy accumulator is used for boosting, and when the cargo is staying in sky, and its potential energy is converted to hydraulic energy and then stored in accumulator.

An environment protection type energy-saving auxiliary hydraulic power system is composed of hydraulic power system, hydraulic energy accumulator, hydraulic loop controller, speed sensor, position sensor and ECU. When the car is starting or accelerated, the accumulated energy can be used. When the car is decelerated or braked, its inertial kinetic energy can be accumulated.

The invention discloses an electric management device for household appliances, which comprises a plastic shell, a plug, a control panel, an LCD (Liquid Crystal Display) display screen and an electronic control circuit. The electronic control circuit comprises a power supply circuit, a power line network bridging module, a processor, an LCD control circuit and a key processing circuit, wherein the processor is provided with a program memory; the program memory is provided with an electric management program, and the electric management program is provided with a communication receiving protocol, a communication transmitting protocol, an electric quantity metering module, a priority level management module, an electric scheduler module and an electric appliance management library. The communication receiving protocol is provided with an electric appliance transmitting ID (Identification) code, an information receiving code, an electric appliance parameter and a receiving check code; the communication transmitting protocol is provided with an electric appliance receiving ID code, an information transmitting code and a transmitting check code; and the control panel and the LCD display screen are used for key input and information display. The device can dynamically manage the electricity utilization situation of the household appliances, thereby avoiding dangers caused by overload of electricity utilization.

The invention discloses to a level shift driving power detection radio frequency module for a smart home, relating to the field of radio frequency modules and solving a problem of working control of the radio frequency module. The interference current and the temperature drift can be effectively avoided through a level shift driving differential control signal, and a control effect is accurate. The level shift driving power detection radio frequency module comprises an antenna matching circuit, a directional coupler, a balun circuit, a power detection circuit, a power circuit, a voltage conversion circuit, a processing chip and a level shift driving circuit, wherein a signal of the antenna matching circuit is divided into two ways through the directional coupler, one way is converted to a one-way signal to a power detection signal circuit through the balun circuit, a detection signal is transmitted to the processing chip, and the working condition of the radio frequency module is determined according to a voltage worksheet in a storage of the processing chip to enable a user to know the current working condition of equipment, so that an amplifier and other accessory equipment in the module can be prevented from overloading, the service life of the radio frequency module is prolonged, and the faulty operation to radio frequency equipment is prevented.

The invention provides a method for controlling shutdown of an auxiliary engine of clutchless hybrid electric vehicle brakes. The method includes: if a vehicle meets the engine stop condition, calculating to acquire brake demand torque TB1 of a first brake, demand torque TE1 of a small motor and demand torque TE2 of a large motor through a vehicle torque distribution module under the condition that a second brake (B2) is opened; enabling the brake torque of the first brake to reach TB1 by adjusting current of a solenoid valve, and respectively sending TE1 and TE2 to corresponding small-motor controller and large-motor controller through a vehicle controller and controlling the corresponding small motor and the large motor to perform execution; allowing an engine to go into flameout, and when rotational speed of the engine is smaller than a first preset threshold A, locking the first brake (B1) by enlarging the current of the solenoid value through the vehicle controller to complete shutdown of the engine and allow the vehicle to go into pure electric mode. The method is simple and feasible, shutdown efficiency of the engine can be improved, and service life of the first brake can be prolonged.

The invention provides a motor protection device with overload protection, and relates to the technical field of motor equipment. The motor protection device comprises a driven shaft, clamping grooveswhich are uniformly distributed are formed in the inner side of the driven shaft, an output shaft is clamped on the inner wall of the driven shaft, and electromagnets I which are uniformly distributed are fixedly connected to the middle part of the output shaft. According to the motor protection device with overload protection, the clamping blocks are matched with the electromagnets I for use; when the motor is suddenly jammed, the electromagnets are energized, the magnetic blocks I can move towards the middle part of the output shaft under the action of opposite attraction and drive the movable block to move towards the middle part, the limiting block can shrink into the clamping block under the action of the third spring, at the moment, the clamping block can stretch out and draw back in the output shaft and retract into the output shaft under the action of the first magnetic block, the output shaft can freely rotate in the driven shaft, and thus the effect of protecting the motor is achieved, overload work of the motor is avoided, the service life of the motor is effectively prolonged, and the production cost is reduced.

The invention discloses a non-contact elevator reservation control method and system, an elevator and a storage device, and belongs to the field of elevator control. The iris recognition technology is adopted at a barrier gate entrance guard for personnel identity information recognition without card swiping or fingerprint contact or taking off masks, people do not directly exposed or make contact with public articles in the whole process, and the infection risk is effectively reduced; besides, elevator reservation is carried out when people pass through the entrance guard, floor information is called, and a good protection effect can also be kept when people take the elevator; and, when part of people do not enter the reserved elevator, secondary identity recognition can be carried out through a recognition device at the entrance of the elevator to cancel the reserved floor and reserve another elevator at the same time, on one hand, the phenomenon that the original elevator stops at the reserved floor in vain can be avoided, on the other hand, another elevator can be reserved in a non-contact mode, and the health and safety of elevator passengers are guaranteed while the elevator running efficiency is improved.

The invention discloses a multi-motor load balanced distribution system and method of a laser engraving machine. One or more processing areas are obtained by arranging partition boundaries on a workpiece to be processed. Processing task distribution is carried out according to the processing areas. Moving tracks corresponding to driving motors are generated according to a processing task, and therefore a laser head is controlled to engrave the workpiece according to the moving tracks. By partitioning the workpiece to be processed and reasonably distributing the processing task for the drivingmotors, overload work of any driving motor is avoided, the engraving accuracy and reliability of the laser engraving machine are guaranteed, and the service life of the machine is prolonged.

The invention relates to the technical field of ship equipment, and discloses a ship berthing chain stopper which comprises a base, the upper end of the base is movably sleeved with a threaded rod, one end of the threaded rod is fixedly connected with an adjusting nut, and the two sides of the middle of the adjusting nut are in threaded connection with a first nut and a second nut correspondingly. the bottoms of the first nut and the second nut are fixedly connected with speed limiting plates. Through the arrangement of the speed limiting plates and the friction blocks, when anchoring is needed, the speed limiting plates on the two sides move towards the middle by rotating the adjusting nuts, at the moment, the cable lifter can freely rotate for anchoring, the anchor chain can drive the cable lifter to synchronously rotate due to the fact that the protruding blocks clamp the chain links of the anchor chain in the intervals of the protruding blocks, and in the rotating process of the cable lifter, the chain links of the anchor chain are clamped by the friction blocks. The friction blocks stretch out under the action of centrifugal force, once the downslide speed of the anchor chain is too high, the centrifugal force borne by the friction blocks is larger, the friction blocks stretch out more till the friction blocks make contact with and rub against the inner sides of the speed limiting plates, the cable lifter can be decelerated, the rotating speed of the cable lifter is prevented from being too high, and an anchor gear is protected.

The invention relates to the technical field of power supply and distribution of regional power systems, and discloses a charging scheduling system and a control method thereof. An electric mobile orderly charging intelligent scheduling control system comprises a cluster controller (2) and a regional power supply (7), wherein power main loops of a plurality of alternating current charging piles (1) are connected with a power line of the cluster controller (7), communication links of the charging piles (1) are connected with the cluster controller (2) via a communication module (6), P6 and P4 are detected and compared via the cluster controller (7), and thus the charging piles are controlled and scheduled. According to the system provided by the invention, the cluster controller receives information of charging modes of the charging piles, schedules priorities of the charging piles according to the set charging modes of the charging piles, and meanwhile reasonably adjusting overall load power for charging the electric mobiles, thus avoiding overloaded working of the regional power supply.

The invention is applicable to the technical field of coal screening and separation, and provides a multifunctional screening device for a coal mine. The multifunctional screening device comprises a device body, wherein a receiving system is arranged on the upper portion of the device body, a screening system and a control system are arranged in the device body, the screening system is connected with a driving system, and a pressure sensing system is arranged in the screening system; the pressure sensing system comprises movable plates located in grooves, each movable plate is located on the lower portion of a coal screening roller, second sliding grooves are formed in the two vertical side face walls of the inner side of each groove, second sliding blocks are arranged at the two ends of each movable plate, the second sliding blocks are movably connected with the interiors of the second sliding grooves, and a plurality of elastic elements are arranged on the lower portion of each movable plate; and a pressure sensor is arranged on the lower portions of the elastic elements of each movable plate. Therefore, the multifunctional screening device is simple in structure and reliable in design, overload work of the device can be prevented, the service life of the device is prolonged, coal ash can be effectively reduced, the screening efficiency is improved, the sieve length is shortened, and resources are saved.

The invention provides a motor protecting device based on electromagnetic attraction and turbid liquid limiting, and relates to the technical field of motors. The device comprises a shell. The left side of the shell is movably connected with a gear. The right side of the gear is engaged with a sliding barrel. The inner wall of the left side of the sliding barrel is fixedly connected with two symmetrical positive plates. The inner wall of the right side of the sliding barrel is fixedly connected with two symmetrical negative plates. According to the motor protecting device based on electromagnetic attraction and turbid liquid limiting, a dielectric plate is used with the positive plates and the negative plates cooperatively, when glass rises and falls to a limit state, the sliding barrel slides to the top or the bottom, and at the moment, an electromagnet which is in the same direction of the sliding barrel generates magnetism, a movable block is moved towards the electromagnet by attracting a magnetic block, after the movable block moves to the same direction, the opposite area of the positive plates and the negative plates is decreased to the minimum by the dielectric plate, at this moment, the circuit voltage is smaller than the minimum circuit voltage of a resistor, a circuit is in an open state, a motor is effectively protected, and overwork of the motor is avoided.