65results about How to "Solve the waste of electricity" patented technology

The invention discloses a safety and automatic distribution network cabinet capable of automatic heat dissipation. The safety and automatic distribution network cabinet comprises support legs, wherein a distribution network automatic box body is fixedly connected with top ends of the support legs, a heat dissipation fan is fixedly connected with an inner bottom wall of the distribution network automatic box body, air inlets and a heat dissipation outlet are respectively formed in the inner bottom wall and an inner top wall of the distribution network automatic box body, a protection net and a drying layer are fixedly connected with an inner wall of each air inlet, water blocking rings are fixedly connected with a top end of the heat dissipation outlet, and a filtering net is fixedly connected with an inner wall of the heat dissipation outlet. By the safety and automatic distribution network cabinet, the effect of temperature induction to control heat dissipation on the heat dissipation fin is achieved, and the effect of sensing a temperature in the distribution network cabinet is achieved; and the temperature is risen, alcohol is thermally expanded, a first contact and a second contact are electrically connected, the heat dissipation fan is started, so that the effect of energy saving is achieved, and the problems of electric energy waste and relatively poor rainproof capability of an ordinary distribution network automatic cabinet are effectively solved.

The invention discloses a movable adjustable method of an intelligent monitoring device. The intelligent monitoring device comprises a base. The two ends of the top surface on the inner side of the base are both fixedly connected with electric push rods. The tail ends of the two electric push rods are both fixedly connected to the middle portions of connecting plates. The middle portions of the bottom faces of the two connecting plates are fixedly connected with limiting telescopic rods. The ends, away from the connecting plates, of the two limiting telescopic rods are both fixedly connected with movable devices. The limiting telescopic rods are inserted into buffer springs. One ends of the two buffer springs are fixedly connected to the bottom faces of the connecting plates. The other ends of the two buffer springs are both fixedly connected to the top faces of the movable devices. A driving shaft is fixedly connected between the two movable devices. According to the movable adjustable method of the intelligent monitoring device provided by the invention, a rotation motor and an adjusting motor are matched with each other, the purpose of adjusting the monitoring device is achieved, the method has the advantage that the monitoring device can be moved and adjusted, and the problem that the monitoring range of an existing movable intelligent monitoring device cannot be adjusted is solved.

The invention discloses an air conditioner, a control circuit of the air conditioner and a control method. The control circuit of the air conditioner comprises a bus communication circuit and a bus stealing circuit, wherein the bus communication circuit is connected between a main board of an internal machine and a main board of an external machine of the air conditioner for transferring a start-up control command sent by the main board of the internal machine to the main board of the external machine. The bus stealing circuit which is connected with the bus communication circuit for converting differential signals on the bus communication circuit into voltage signals when the bus communication circuit transmits data, wherein the voltage signals are served as start-up voltage of the main board of the external machine, and a power supply control circuit which is connected between the main board of the external machine and the power supply of an outdoor unit for connecting the main board of the external machine and the power supply of the outdoor unit after the main board of the external machine starts up and disconnecting them when the main board of the external machine stands by. According to the air conditioner, the control circuit of the air conditioner and the control method, power consumption for starting the external machine of the air conditioner can be reduced, and the stand-by power consumption of the air conditioner is reduced.

The invention provides an energy-saving intelligent illumination control device and method. The energy-saving intelligent illumination control device controls opening or closing of indoor illumination devices via indoor brightness and existence of people, and comprises an ambient brightness acquisition module, a human body signal acquisition module, a main-control module and a switch control module, wherein the ambient brightness acquisition module comprises a light dependent resistor and a comparator, and is used for collecting indoor brightness data, and comparing the indoor brightness data with a preset value; the human body signal acquisition module comprises a pyroelectric body infrared sensor, and is used for judging whether people is in a room, and generating a human body signal if people is in the room; the main-control module is connected with the ambient brightness acquisition module and the human body signal acquisition module, and used for activating the ambient brightness acquisition module via the human body signal and generating a control signal as per the compared result of the brightness data and the preset value; the switch control module comprises a plurality of electronic switches which are connected with the main-control module and illumination devices, and controls the on-off state of each illumination device via the control signal.

The invention provides a receiving processing method and apparatus of random access response RAR. The method comprises the following steps: determining the overlapping state of a first physical downlink control channel PDCCH decoding area of a first terminal and a second PDCCH decoding area of a second terminal; when it is determined that the overlapping state of the first PDCCH decoding area and the second PDCCH decoding area is overlapped, closing an RAR window used for receiving RAR of the first terminal; and when it is determined that the overlapping state of the first PDCCH decoding area and the second PDCCH decoding area is not overlapped, opening the RAR window, and receiving the RAR in the RAR window. According to the receiving processing method and apparatus, the RAR window used for receiving RAR is temporarily closed, thereby avoiding mis-decoding the DCI not belonging to the terminal and saving the power consumption of the terminal.

A pressure boosted porous spout belt equipment for farmland and the irrigation method, which is characterized in that it comprises pumping equipment, water delivery equipment and water spraying equipment, and the pumping equipment comprising well diving pump and small-sized centrifugal pump; the water delivery equipment comprising water delivery pipe or balt, delivery valve and delivery triplet or multiple-pass; and the water spraying equipment comprising porous water spraying belt. The invention is characterized by the simple device, good utility, low cost and rational irrigation method, which can solve problem of water and power waste in broad irrigation.

The invention discloses an automatic cooling alarm type computer convenient to move and fix. The computer comprises a computer case; the lower surface of the computer case is fixedly connected with support legs; a cooling outlet and a cooling inlet are respectively formed in the inner bottom wall of the computer case; a lifting hole, a spring hole and a guiding chutes are respectively formed in each support leg; the bottom ends of the lifting holes extent to the bottoms of the support legs; and the inner walls of the lifting holes are communicated with the inner walls of the spring holes. According to the automatic cooling alarm type computer convenient to move and fix, an effect of lifting universal wheels is achieved; when movement is required, steering shafts are rotated, the steering shafts drive brake cams to rotate, and when the surfaces of the brake cams rotate to be vertical to the upper surfaces of support rods, the support rods drive the universal wheels at the bottoms of support columns to extend from antiskid pipes to the ground so as to move the computer case, thereby solving the problem that the computer case is easy to deviate.

The invention discloses a dust-proof power distribution cabinet capable of saving energy and dissipating heat, which comprises a base, wherein the upper surface of the base is fixedly connected with abox body, the bottom of the box body is provided with an air inlet, the top end of the air inlet is fixedly connected with a first fan, the bottom end of the air inlet is fixedly connected with activated carbon, the top of the box body is fixedly connected with a water falling board, the periphery of the water falling board is provided with a shutter in a stamping manner, and the internal part ofthe shutter is fixedly connected with a first filtering screen. The dust-proof power distribution cabinet capable of saving energy and dissipating heat achieves the effects that the power distribution cabinet performs energy-saving heat dissipation according to the temperature condition and that the power distribution cabinet is closed by a dust plate when the first fan, a second fan and a thirdfan do not rotate, thereby completely preventing the dust from getting into the power distribution cabinet, being capable of enabling the internal part of the power distribution cabinet to perform regional heat dissipation, achieving an effect of energy saving, being capable of effectively preventing the box body from getting wet in the rain, and thus effectively solving problems that the small dust gets into the power distribution cabinet and that the electric energy is wasted by heat dissipation.

An infrared induction ceiling lamp comprises an LED light source module capable of emitting light, and further comprises a controller having data analysis and intelligent control functions, an illumination sensor used for detecting external illumination intensity, and an infrared ray detection device used for detecting infrared rays. The controller is connected with the LED light source module, the illumination sensor and the infrared ray detection device. Compared with traditional technologies, the infrared induction ceiling lamp is provided with the controller, the illumination sensor and the infrared ray detection device on the basis of the prior art, solves the unintelligent problems that conventional illuminating lamps waste electric energy and need to be turned on or off with hand, is more convenient to use and saves energy. The invention further provides a monitoring system comprising a camera and the infrared induction ceiling lamp. The infrared induction ceiling lamp comprises the controller, and the controller is connected with the camera. The camera is controlled by the infrared induction ceiling lamp and started to record videos only when external infrared rays change, recording of mass useless videos is avoided, and energy is saved.

The invention provides a tunnel illumination control method and device and an illumination system. The method and device is applied to the illumination system of a tunnel, and the method specificallycomprise the steps of sequentially turning on the illumination lamps having a first preset distance with an automobile when the automobile is detected to have the first preset distance with the entrance of the tunnel; and when the automobile runs in the tunnel, sequentially turning on the lighting lamps which are located in front of the automobile and having first preset distance with the automobile; when the automobile runs in the tunnel and having the distance with the entrance of the tunnel exceeding a second preset distance, turning off the illuminating lamps which are located behind the automobile and having the second preset distance with the automobile. By temporarily turning on the illuminating lamps in front of the automobile and turning off the illuminating lamps behind the automobile in time, the invalid illumination of the illuminating lamps is avoided, and therefore the problem of power waste of the tunnels with smaller traffic volume can be solved.

The invention relates to the field of charging piles, and more particularly to an electric vehicle charging pile containing renewable energy. The electric vehicle charging pile comprises a photovoltaic array, a post body, a street lamp and a storage battery pack. The photovoltaic array is arranged on the top of the post body, the street lamp is arranged on the upper part of the post body, and a fixing pedestal is arranged on the bottom of the post body. The charging pile is arranged in a box body, of which the top front end is provided with a display screen, a charging plug fixing seat of the charging pile is arranged on the box body side cover of the box body, a charging plug is placed on the charging plug fixing seat and connected with a charging joint on the right end of charging pile. The storage battery pack is arranged under the ground, and the photovoltaic array and commercial power supply are connected with the storage battery pack to charge the storage battery pack. The storage battery pack is connected with the street lamp and the charging pile to provide power for the street lamp and the charging pile. A control system is connected in parallel with the output ends of the photovoltaic array, the commercial power supply and the storage battery pack and the input ends of the street lamp and the charging pile, and the control system is connected with the charging pile.

The invention discloses a wireless intelligent power-saving socket. The wireless intelligent power-saving socket comprises a control module, a power timing module, a power switch module, an LED indication circuit, a Zigbee module, an intelligent mobile terminal, a wireless Wifi module, an infrared sensor, a signal detection module, a position detection module and an electric energy calculation module, wherein the power switch module is connected with the control module, the LED indication circuit is connected with the power switch module, the power timing module, the position detection module, the infrared sensor and the signal detection module are all connected with the control module, the mobile terminal comprises a mobile phone, an intelligent watch and a tablet PC, the Zigbee module comprises a Zigbee gateway, the Zigbee gateway is connected with a Wifi route, the Wifi route is connected with an internet, and the Zigbee module is connected with the electric energy calculation module. In the wireless intelligent power-saving socket, the socket can be controlled by the mobile terminal to work, whether the socket is used can be automatically detected, the socket can be intelligently cut off, and effective detection can be performed by more power consumption.

The invention discloses a regulating system for controlling the three-phase imbalance in an electrical transformer district. The regulating system for controlling the three-phase imbalance in the electrical transformer district comprises a data acquisition module, a master controller, a single-phase load phase changing extension set and a three-phase load phase changing extension set; the master controller is connected with each of the single-phase load phase changing extension set and the three-phase load phase changing extension set and is used for controlling the single-phase load phase changing extension set to shift the phase of single phase-loaded single phase current and controlling the three-phase load phase changing extension set to regulate and switch three phase-loaded three-phase current among a phase A, a phase B and a phase C according to the imbalance degree of the three-phase current of a bus on a low voltage side and the imbalance degree of the three-phase current of the bus of each branch acquired by the data acquisition module. The single-phase load phase changing extension set and the three-phase load phase changing extension set are arranged for regulating cooperatively, so that the three-phase imbalance degree of the current of the phase A, the phase B and the phase C of the bus of on the low-voltage side and the three-phase imbalance degree of the currentof the phase A, the phase B and the phase C of the bus of each branch are reduced.

The invention discloses a self-charged general medical diagnosis and treatment integrated box, and belongs to the field of portable medical instruments. The self-charged general medical diagnosis and treatment integrated box comprises an openable and closable box body and a diagnosis and treatment instrument inside the box body, wherein a charge groove into which the diagnosis and treatment instrument is embedded is formed inside the box body; a wireless charge emitting device and a storage battery GB2 are arranged inside the charge groove; a wireless charge receiving device and a rechargeable battery GB1 are arranged inside the diagnosis and treatment instrument; the wireless charging emitting device comprises a wireless emitting coil L1 and an emission sensing circuit; the storage battery GB2 is connected with the wireless emitting coil L1 through the emission sensing circuit; the wireless charge receiving device comprises a wireless receiving coil L2 and a receiving sensing circuit; the wireless receiving coil L2 and the wireless emitting coil L1 are respectively positioned inside corresponding contact surfaces of the diagnosis and treatment instrument and the charge groove; the wireless receiving coil L2 is connected with the rechargeable battery GB1 through the sensing circuit. The self-charged general medical diagnosis and treatment integrated box has the advantages that power can be recharged while the box is used and can be recharged at any time conveniently without a plug wire, thus being efficient and energy-saving.

The embodiment of the invention discloses an energy saving method and a digital television receiving terminal. The method comprises the steps that electric quantity information of a storage battery of the digital television receiving terminal is obtained; according to the electric quantity information of the storage battery of the digital television receiving terminal and information of electricity utilization time periods, the management on the storage battery of the digital television receiving terminal is achieved. The management on the storage battery of the digital television receiving terminal comprises charging management on the storage battery of the digital television receiving terminal or the power supply management of the storage battery of the digital television receiving terminal on the digital television receiving terminal. The energy saving method and the digital television receiving terminal can solve the problem of electric power waste, and the purpose of saving energy is achieved.

The invention relates to the technical field of new energy breeding equipment, and discloses a distributed energy system based on a blockchain technology. The distributed energy system comprises a breeding frame, wherein a fan blade plate is arranged at the outer side of the central part of a second rotating shaft; a sliding plate is connected with and arranged at the rear end of the second rotating shaft; a sliding block is respectively arranged at the upper and lower ends of the sliding plate; a rotating column is arranged at the upper part of the sliding block located at an upper end position; a spring is respectively arranged at the rear end of the sliding plate and the rear end of a water power generation box; and second fixed frames are arranged at the lower end of the water power generation box and located underwater. According to the invention, the fan blade plate drives the second rotating shaft to rotate, and centrifugal forces generated by the fan blade plate driven by different water flow speeds are different, so the fan blade plate pushes a sliding plate to be at different positions on the water power generation box; and connecting rods are driven to move through sliding blocks and a rotating column on the sliding plate, and a guide sleeve guarantees that the connecting rod located at a left end position moves for a large distance, so the movement track of a fish feed in water is guaranteed to fall into a fishing net as much as possible, and waste of the fish feed is further avoided.

The invention relates to the field of automobile control, in particular to an automobile control method. The method includes the steps that the intra-automobile temperature and the extra-automobile temperature are obtained; whether the extra-automobile temperature is higher than a first preset temperature or not is judged; if the extra-automobile temperature is higher than the first preset temperature, whether the temperature difference between the intra-automobile temperature and the extra-automobile temperature is higher than a preset temperature difference or not is judged, if the temperature difference between the intra-automobile temperature and the extra-automobile temperature is higher than the preset temperature difference, the circulation mode of an automobile is automatically switched into an external circulation mode, and if the extra-automobile temperature is not higher than the first preset temperature, whether the extra-automobile temperature is lower than a second presettemperature or not is judged; and if the extra-automobile temperature is lower than the second preset temperature, the circulation mode of the automobile is automatically switched into an internal circulation mode. The invention further relates to an automobile control device which comprises a temperature acquisition module, a judgment module, a detection module and a mode switching module. The temperature reduction rate is increased, and the problems of the low oxygen content in the automobile and the quick electric quantity consumption are solved.

The invention relates to a method for saving power consumption for an oxygen lance cooling water supplying pump. The method is characterized in that the oxygen lance water supply is divided into different periods for water supplying and the water inlet or outlet opening of the oxygen lance cooling water is changed according to the different periods for water supplying, namely, the water flow in the different periods for water supplying is changed. The oxygen lance cooling water supplying pump adopts frequency conversion to adjust the speed, thus reducing the power consumption by the oxygen lance cooling water supplying pump. The method of the invention has the advantages of simple method, consistency with actual situation, practicality and low cost and can solve the problems of the waste of water resources and electricity, thereby being an ideal method for saving power consumption for the oxygen lance cooling water supplying pump.

The invention provides a multi-linkage indoor unit system. The multi-linkage indoor unit system comprises a connecting pipe set, two heat exchanger sets, a throttling element, a valve assembly, a compressor and a throttling pipeline, wherein the connecting pipe set comprises a liquid pipe, an air pipe, a first branch pipe, a second branch pipe and a connecting branch pipe; the valve assembly comprises a first valve, a second valve and a third valve; the compressor and the second valve are arranged in parallel; one end of the throttling pipeline communicates with the first branch pipe which is between the liquid pipe and the corresponding heat exchanger set; the other end of the throttling pipeline communicates with the second branch pipe which is between the third valve and the corresponding heat exchanger set. According to the multi-linkage indoor unit system, the throttling element, the first valve, the second valve and the third valve are closed, and the compressor runs during dehumidifying, and the two heat exchanger sets can be correspondingly used for performing condensing heat exchanging and evaporating heat absorbing, so that the efficient dehumidifying can be achieved on the premise that the environmental temperature is influenced a little, and as a result, the electricity consumption is decreased, and the dehumidifying effect is improved. The invention also provides an air conditioning device and a control method of the multi-linkage indoor unit system.

The invention discloses an LED screen power supply control device and method and belongs to the technical field of circuits. The LED screen power supply control device comprises a box body, a power supply, a system card and an LED lamp panel, wherein the power supply, the system card and the LED lamp panel are arranged in the box body, a control circuit and a switching device are also arranged inthe box body, and the switching device is arranged at the output end of the power supply and used for controlling the on-off of the system card and the LED lamp panel; the control circuit is connectedwith the switching device and is used for controlling the on-off of the switching device; by adding the control circuit in the box body, the on-off of the switching device is controlled, the standbypower consumption of the LED screen is reduced, and the problem that electric energy is wasted when the LED screen is idle is solved.

The present invention provides a siphon emptying triggering device, it includes the valve cylinder, water supply equipment for feeding water to valve cylinder, integrated bucket, siphon pipes and water collecting bucket, the lower cylinder wall of said valve cylinder is opened with water inlet holes, the inner wall of valve cylinder is equipped with movable water inlet hole sealing door, the water inlet hole sealing door is installed corresponding said water inlet holes, said integrated bucket is a groove body, the bottom board of the integrated bucket groove is equipped with water outlet holes, said valve cylinder is installed on the bottom board of said integrated bucket groove, said siphon pipes is U-type pipes which two ends are both open, the siphon pipes are installed in said valve cylinder, one end of siphon pipes s connected with water outlet holes, said water collecting bucket is groove body, the bottom board lower of said water collecting bucket is connected with water discharging pipes, among them, the integrated bucket is installed in the upper of water collecting bucket and the water outlet holes are connected with water collecting bucket; the device uses siphon principle, it can discharge the water in water storage device out automatically and ingeniously, has features of energy-saving, convenient usage, clever structural design.

The invention relates to a control method of an air conditioner. The control method comprises the following steps of based on the current temperature, the current relative humidity and the set temperature of the air conditioner, calculating the current equivalent relative humidity of the current relative humidity under the set temperature and the same moisture content; based on the current temperature, the current equivalent relative humidity, the set temperature and the set relative humidity, calculating the current humidification demand and the current refrigeration demand; calculating a load sudden change rate based on the rated power of the air conditioner, the load power of the current calculation period and the load power of the previous calculation period; and based on the load sudden change rate, the set load sudden change rate, the current humidification requirement and the current refrigeration requirement, calculating the target rotating speed of a compressor and the target rotating speed of a fan, and the compressor and the fan are controlled to operate according to the corresponding target rotating speeds. According to the control method, the problem of electricity waste in the prior art is solved.

The invention discloses adjustable outdoor sport equipment. The adjustable outdoor sport equipment comprises a left support plate and a right support plate. The bottoms of the left support plate and the right support plate are respectively fixedly connected with a fixing seat, and the top ends of the left support plate and the right support plate are fixedly connected with a protection support plate. The upper surface of the protection support plate is fixedly connected with a protection box. Both sides of the upper surface of the protection support plate are fixedly connected with a solar panel through a support rod. The bottom of the inner side of the protection box is fixedly connected with a battery and a fan, the side of the left support plate and the side of the right support plate are respectively provided with a through slot, two guide posts respectively sleeve a guide block, and an adjustment bar is fixedly connected between the two guide blocks. The invention provides an adjustable outdoor sport equipment. The adjustable outdoor sport equipment has the advantage of being capable of adjusting the height of the adjustment bar, can effectively use solar energy to provide power for adjustment of the equipment, and is provided with the fan for blowing air to increase the comfort of a user, has the advantage of night lighting and solves the problem that the outdoor sport equipment cannot be adjusted.

The invention relates to the field of intelligent kitchenware. By aiming at the problem of salt use health, the invention provides an intelligent salt pot. The intelligent salt pot comprises a salt pot body, a salt cover and a base, wherein the salt cover is used for opening or closing the salt pot body; the base is used for placing the salt pot body; the intelligent salt pot further comprises a calculation unit, a detection unit and a control unit; the calculation unit is used for calculating the daily average sodium intake quantity of a user; the detection unit is used for detecting the table salt use state of the user; when the condition that the user uses the table salt is detected, a salt use detection signal is given out; the salt use detection signal comprises a cover opening detection signal and a separation detection signal; the control unit is used for controlling the turned on or off of the calculation unit; when the control unit receives the salt use detection signal, the calculation unit is controlled to be started. The problems of the intelligent salt pot that the calculation of the calculation unit is not timely, and the electric energy is wasted are solved.

The invention relates to the technical field of lighting, in particular to an intelligent lighting control system for a stadium, which comprises a plurality of independent lighting lamp groups, a clock-in terminal and a server, and is characterized in that the lighting lamp groups are arranged above exercise equipment and are electrically connected with the server; and the clock-in terminal is arranged on exercise equipment and is used for collecting clock-in information of a user and sending the clock-in information to the server. The server comprises an equipment use statistics module used for performing statistics on the use condition of each exercise equipment according to the clock-in information in a set first time period; an illuminating lamp group control module used for controlling on and off of an illuminating lamp group corresponding to the exercise equipment according to the control strategy; an equipment wear prediction module used for predicting a first wear degree and a second wear degree; and an equipment position adjusting module used for generating equipment position adjusting information according to the first wear degree and the second wear degree. The problems of low lighting efficiency and waste of electric energy caused by the existing control mode of the lighting lamp groups in the stadium are solved.

The invention provides an active battery pack equalization charging system and charging method, and aims to solve the problems that in the prior art, an equalization circuit adopts passive equalization or active equalization to equalize the voltage of a battery pack, electric energy waste cannot be considered at the same time, and the manufacturing cost cannot be reduced. The active battery pack equalization charging system comprises an equalization controller, a controller, a driving switch assembly and a transformer. The method comprises the following steps: an equalization controller collects voltage information of each battery module in the battery pack;a controller judges and obtains the battery modules needing to be charged in a balanced mode according to the collected voltage information; the controller sends an instruction to the driving switch assembly, and the driving switch assembly conducts the power supply and the transformer; and the power supply charges the battery module needing equalized charging through the transformer. Active equalization is adopted to save electric energy, a charging system is independent of a discharging circuit, the structure is simplified, and the manufacturing cost is reduced.

The invention relates to a high-efficiency hand-operated type dewaterer with a braking device. The upper part of the high-efficiency hand-operated type dewaterer is provided with a top part protecting device, the lower part of the high-efficiency hand-operated type dewaterer is provided with a dewatering device, and a hand-operated type power system consisting of a hand cranking device, a reversing device, a one-way rotary control device and the braking device is arranged between the top part protecting device and the dewatering device; a plurality of grooves are manufactured on a hand crank of the hand cranking device, and bumps which are structurally matched with the grooves on the hand crank are manufactured on the upper surface of a reversing gear disc; a plurality of clamping convex parts are arranged on the inner wall of a one-way rotary disc which is provided with a one-way controller matched with the one-way rotary disc structurally; and the braking device is formed by a braking caliper and a braking button arranged on a top cover. The high-efficiency hand-operated type dewaterer has the advantages that a power source is changed into the hand-operated type power system from an original electric motor, so that the purpose of saving energy is achieved; the hand-operated type power system is internally provided with the one-way rotary control device and the braking device, so that not only is the dewatering performed continuously after the hand crank stops swinging and rotation, but also the dewatering device can stop rotation quickly according to the need, and a user can conveniently take out dewatered clothes in time.

The invention relates to a high-efficiency hand-driven dewaterer. A top protection device is arranged at the lower part of the high-efficiency hand-driven dewaterer. A dewatering device is arranged at the lower part of the high-efficiency hand-driven dewaterer. A hand-driven power system which consists of a handle device, a reversing device, a one-way rotation control device and a brake device is arranged between the top protection device and the dewatering device. A plurality of grooves are manufactured on the handle of the handle device. Convex blocks which are structurally matched with the grooves on the handle are manufactured on the upper surface of a reversing gear plate. A one-way controller which is structurally matched with a one-way turntable is arranged on the one-way turntable, wherein a plurality of clamping bulges are formed on the inner wall of the one-way turntable. The brake device consists of a brake caliper and a brake button which is installed on a top cover. Since the hand-driven power system is used as a power source to replace the original motor, the goal of energy saving is achieved; and since the one-way rotation control device and the brake device are arranged in the hand-driven power system, not only can dehydration be continuously conducted after the handle is stopped from being turned, but also the dehydration device can be rapidly stopped from rotating according to the need and a user can conveniently take out dehydrated and washed clothes in time.