79results about How to "Reduce useless power consumption" patented technology

A portable telephone of the present invention comprises a casing, a LCD 18 and a key input device 20 disposed on a surface of the casing. The casing has a microphone 17 for delivering speech, a speaker 16 for receiving speech, a backlight 19 for lighting a screen of the LCD 18, a key light device 21 for lighting a manipulation surface of the key input device 20, and a control circuit 15 incorporated therein. The control circuit 15 checks whether a speech delivery signal input from the microphone 17 is a voice signal. If the speech delivery signal is a voice signal, display operation of the LCD 18 is set to OFF and both the backlight 19 and the key light device 21 are turned off. If the signal is not a voice signal, display operation of the LCD 18 is set to ON. Consequently, useless power consumption is reduced.

The invention provides an operation control method, an operation control device, an air conditioner and a storage medium. The operation control method comprises the following steps that an operation command of a specified heating mode is responded, and an indoor fan is controlled to rotate reversely so as to enable air to be fed from an air outlet; and working condition parameters of the air conditioner are detected to meet the preset air outlet condition, the indoor fan is controlled and adjusted to rotate forwards so as to discharge the air from the air outlet. According to the technical scheme, an airflow is formed through the driving of the indoor fan and is blown to an indoor heat exchanger so as to accelerate the heating of the indoor heat exchanger so that the duration of cold prevention air can be shortened, the air outlet efficiency of the heating air supply can be improved, useless power consumption generated in the operation process of an outdoor unit can be reduced, and therapid heating requirement can be met as well by shortening the duration of the cold prevention air.

The embodiment of the invention provides a wireless connection building method and device, a terminal device, an application server and a system. The method includes the steps that the terminal device scans graphic codes through the method that a first application calls a graph scanning device; an SSID of a wireless AP borne in the graphic codes is determined; the SSID is sent to a first application server; when the first application server determines that the wireless AP corresponding to the SSID is in the accessible state, the wireless AP accessible information sent by the first application server is received, and the request information for building wireless connection is sent to the wireless AP according to the SSID; when the first application server determines that the wireless AP corresponding to the SSID is in the inaccessible mode, the inaccessible information of the wireless AP sent by the first application server is received, and the request information for building wireless connection and sent to the wireless AP is canceled. By means of the wireless connection building method and device, the terminal device, the application server and the system, the times of sending useless requests for building the connection relation, by the terminal device can be reduced, and the useless power consumption generation of the terminal device is reduced.

A battery pack comprises a molded resin portion which holds a part of or the whole of battery inserted thereto, and an externally exposed output terminal. The battery pack further comprises an insulating block which is provided with a breaker mechanism for cutting-off current flow when an over-current flows. The insulating block is held by being inserted in the molded resin portion. The insulating block holds the output terminal on its surface. The output terminal held by the insulating block is held at a prescribed position so as to be externally exposed from the molded resin portion.

The invention discloses an electronic control module communication method and a device and a vehicle with the same. The electronic control module communication method comprises the steps that a wakeup request of at least one function module corresponding to at least one electronic control module of a plurality of electronic control modules is received; network requirement managing message is sent to activate a CAN bus, so that the multiple electronic control modules can acquire corresponding network message from the CAN bus; and after the preset time for sending the network requirement managing message, the electronic control module which operates according to the network message among the multiple electronic control modules releases the CAN bus, so that unoperated electronic control modules enter a dormant state. According to the electronic control module communication method, the CAN bus can be released in time, so that useless power consumption of other electronic control modules can be avoided, useless power consumption of the vehicle is reduced, and energy resources are saved.

An image forming apparatus includes a power supply unit supplying power to a plurality of components, the power supply unit including a first power mode and a second power mode, the second power mode supplying less power than the first power mode, a control unit controlling which power mode the power supply unit uses, an authentication unit performing a user authentication when power is supplied from the power supply unit in the second power mode and an authentication request received in the second power mode, and a sending unit sending a request signal requesting the control unit to shift the power supply unit to the first power mode when the authentication unit succeeds in the user authentication, wherein the control unit controls the power supply unit to shift from the second power mode to the first power mode upon receipt of the request signal.

The invention discloses a heat type wind speed and direction sensor based on the substrate transfer process and a packaging method of the heat type wind speed and direction sensor. While the heat type wind speed and direction sensor is completely compatible with a traditional CMOS process, a ceramic substrate and a sensing chip are bonded through a heat conducting adhesive colloid, and after a silicon substrate is removed through corrosion or grinding, conduction of heat generated by heating elements of the sensor in a silicon-based chip can be completely removed; meanwhile, a sensing structure is located between the ceramic substrate and a silicon dioxide layer, due to the fact that the silicon dioxide layer has extremely low heat conduction coefficients and the ceramic substrate has large heat condition coefficients, a vast majority of heat generated by the heating elements is conducted upwards through heat conducting adhesive and the ceramic substrate and conducts heat exchange with the external environment through the forced heat convection effect, a vast majority of heat is used for sensing the change of the wind speed and direction in the external environment, heat losses caused by the heat conduction effect are small, and the sensor can acquire large sensitive signals under the low power consumption condition.

The electromagnetic water heater consists of electromagnetic heating converter, sensors, casing, metal water pipe, magnetic ferrite strip, water pipe skeleton, heat conducting medium passage, electromagnetic coil, coil skeleton, reflux pipe, afterheat absorber, pump, screw propeller, heat sink, motor, great power transistor IGBT, circuit board, isolating board, LED panel, functional switch, etc. The present invention has optimal work performance of the electromagnetic elements, raised heat efficiency, no electromagnetic interference and other advantages.

An ideal filament preheat technique in flourescence lamp is supplied by an adjusting circuit, an output circuit and a control circuit. At the filament preheating stage, an adequate preheating voltage is provided for the filament of the lamp tube, and the voltage cross over both ends of the lamp tube is reduced, thereby preventing glow current in preheating. When the preheating stage is finished and starting stage begins, the voltage between both ends of the lamp tube increases simultaneously, and then reaches a break-down voltage of the lamp tube, then the lamp tube is lit to enter a normal operation stage, the preheating voltage of the filament is cutoff under the control circuit, so as to save the filament power consumption. Therefore, the efficiency of the electronic ballast is improved, and the operation life of the flourescent lamp tube is extended.

The invention provides a rotary compressor and a heat pump system with the rotary compressor. The rotary compressor comprises a shell, a cylinder, a crank shaft, a piston and a sliding sheet. The cylinder is arranged in the shell, and a cylinder cavity and a sliding sheet groove are formed in the cylinder. The crank shaft passes through the cylinder cavity, and is provided with an eccentric portion which is located in the cylinder cavity. The piston is of a hollow structure, and sleeves the eccentric portion. The sliding sheet is arranged in the sliding sheet groove in a reciprocating sliding mode, and the front end of the sliding sheet makes contact with the peripheral wall of the piston. By the adoption of the rotary compressor, the weight of the piston can be greatly reduced, the piston cost is reduced, the balance weight of a main counterbalance of the compressor can be reduced by half, the eccentric mass of the compressor is reduced to improve the reliability of the compressor, the useless power consumption generated by high-speed running of the piston is also reduced, and the performance of the compressor is improved.

The invention discloses a pure rolling contact structure with low noise and low abrasion loss for a rail transit wheel and a guiding rail. The pure rolling contact structure comprises column-shaped wheels (7) and rolling guiding components (6), wherein, the outer round surfaces of the column-shaped wheels (7) are in contact with the upper surface of the guiding rail; the rolling guiding components (6) are assembled on a bracket (17) fixedly connected with a vehicle chassis and / or a wheel shaft; and the rolling guiding components (6) are in rolling contact with the inner side surfaces of the guiding rail. In the invention, the sliding contact between the wheels and the guiding rail is changed into the rolling contact, so that the structure is safer, and beneficial to overcome the defects such as high noise, high abrasion and the like in the existing contact manners.

The invention relates to a sonar PMW transmitting circuit. The sonar PMW transmitting circuit processes input signal source signals and then outputs the processed signal source signals to an energy converter. The frequency of the signal source signals ranges from 6 kHz to 9 kHz. A power source supplies power to the sonar PMW transmitting circuit. The sonar PMW transmitting circuit comprise a power amplifying circuit, a lowpass filtering circuit and a matching circuit, and the power amplifying circuit, the lowpass filtering circuit and the matching circuit are connected in series in sequence. An SA12 power amplifier adopted by the sonar PMW transmitting circuit is a PWM power amplifier, analog signals are converted into switching signals with an adjustable duty ratio, continuously variable filtered output level can be obtained just by changing the duty ratio of the signals, and therefore the working efficiency of the PWM power amplifier is greatly higher than that of a purely linear power amplifier. The sonar PMW transmitting circuit can transmit coded phase-modulated signals of various frequencies, well restrain reverberation, resist interference and complete tactic communication contact work.

Provided is an additional data generating system capable of adding information transmission effect to an output based on output data by means of an output based on additional data. The additional data generating system is provided with a source section (1) for supplying an output signal, an operation control unit (4) for obtaining output data from the output signal, a first output section (5) forperforming output based on the output data, an additional data generating section (3) for generating additional data which emphasizes the characteristic element of the output from the first output section, a second output section (6) for performing output based on the additional data, and an operation section (2) for outputting an operation signal which varies the output data to the operation control unit.

The invention discloses a crankshaft for a compressor and the compressor with the crankshaft. The crankshaft comprises a first steel pipe, a second steel pipe, an upper thrust wall and a lower thrust wall. The first steel pipe is suitable for being sleeved with a rotor to be driven by the rotor to rotate. The second steel pipe is arranged on the first steel pipe in a sleeving manner, and the center axis of the second steel pipe deviates from the center axis of the first steel pipe. A piston is suitable for being arranged on the peripheral wall of the second steel pipe in a sleeving manner. The upper thrust wall is located at the top of the second steel pipe and arranged on the first steel pipe in a sleeving manner. The lower thrust wall is located at the bottom of the second steel pipe and arranged on the first steel pipe in a sleeving manner. According to the crankshaft, the weight of the crankshaft can be greatly lowered, the cost of the crankshaft is reduced, and the balance weight of a main balance block of the compressor can be reduced. Meanwhile, the steel pipes are high in strength, rigidity and wear resistance, and bearing wearing is reduced. Meanwhile, the eccentric mass of the compressor is lowered, the reliability of the compressor is improved, useless power consumption generated during high-speed running of the crankshaft is reduced, and the performance of the compressor is improved.

The invention belongs to the field of aluminum alloy wheel casting, and discloses an automation liquid adding system specially used for achieving quantitative casting of powerful casting of the aluminum alloy wheels. The system is composed of a three-freedom-degree robot and a liquid adding pouring cup integrated with the automatic liquid adding control function, the automatic quantitative weighing function, the automatic temperature measuring function, the filtering function and the material liquid heat preservation function, and is characterized in that a tapered plug type switch with an air cylinder as power is invented, and automatic opening and automatic closing for molten aluminum casting are achieved; as a tension sensor is arranged between an arm and a cylinder upper over, automatic weighing of molten aluminum is achieved; a filter net device convenient to assemble and disassemble is arranged at the bottom of the liquid adding pouring cup; a molten aluminum temperature measuring device is arranged on a cylinder cover, and a temperature compensation heating device is arranged between an inner cylinder and an outer cylinder. By means of the automation liquid adding system, the automatic weighing function, the automatic opening-closing function, the molten aluminum filtering function, the temperature monitoring function, the molten aluminum heat preservation function and the automatic distributing and carrying function are integrated, and the important practical value is achieved in casting production automation.

The invention discloses a shaping machine provided with bidirectional planing assemblies. The shaping machine comprises a base, a machine body, working tables, feeding mechanisms, a pillar, a ram, asliding chute, the planing assemblies, a servo motor and a transmission assembly, wherein the machine body is arranged in the middle of the top of the base; the feeding mechanisms are arranged on thetwo sides of the machine body; the working tables are mounted on the feeding mechanisms; the pillar is arranged between the working tables and the base; the ram is mounted above the machine body; a sliding rail is arranged at the bottom of the ram; the sliding chute matched with the sliding rail is formed in the top of the machine body; and the planing assemblies are mounted on the two sides of the ram. According to the shaping machine, the same planing assemblies, feeding mechanisms and working tables are arranged at the two ends of the ram, and the transmission assembly is cooperated to pushthe ram so as to process two workpieces in one process, so that the working efficiency is high; and in addition, the working tables can be widened and lengthened, so that the larger workpiece can bemachined without additionally arranging new equipment, and the cost is lowered.

The present invention provides a power converter apparatus which reduces power loss in a diode bridge element in order to achieve energy saving. The power converter apparatus is equipped with two diode bridge elements, and reduces power loss in respective diodes by connecting two input terminals of the one diode bridge element to one AC input terminal of the power converter apparatus, connecting two input terminals of the another diode bridge element to another AC input terminal, connecting a positive pole output terminal to respective positive pole output terminals of the two diode bridge elements and a positive electrode terminal of a capacitor, and connecting a negative pole output terminal to respective negative pole output terminals of the two diode bridge elements, and a negative electrode terminal of the capacitor.

The invention relates to the field of microelectronics and in particular to a high-power LED linear constant-current driving control chip comprising a DC bus, a plurality of LED lamp beads in series and parallel relationships, and a plurality of external power tubes, wherein the DC bus is connected to the first end of a first LED lamp bead and the drain of a JFET; the gate of the JFET is grounded;the source of the JFET is connected to the input end of a power splitter; the VDD output end of the power splitter is used as a power supply of other function modules inside the chip; the GV output end of the power splitter is connected to the first end of a thermistor and the gate of the external power tube; and the reference voltage output end of a band-gap reference module is connected to thereference voltage input end of the power splitter and the positive input end of a first operational amplifier. The high-power LED linear constant-current driving control chip improves the reliabilityof the whole system by using dual temperature protection design. A cascode structure composed of the external power MOS transistor and the in-chip internal power adjustment transistor reduces uselesspower consumption and improves the efficiency of the whole system.

The invention discloses a supercharger capable of changing the compression ratio. The supercharger comprises a gas inlet pipe, an exhaust pipe, a shell, a first rotor, a second rotor, a gear set and abelt pulley; and meanwhile, the invention discloses an engine compression ratio regulation technology, and the engine compression ratio regulation technology comprises the following specific regulation steps that S1, an exhaust port of the exhaust pipe is connected to an engine gas inlet in series; S2, a gas inlet baffle or / and a gas outlet baffle is / are adjusted to pre-compress gas entering an engine air cylinder; and S3, the gas inlet baffle or / and the gas outlet baffle is / are readjusted, and thus the pressure of the gas entering the engine air cylinder is different from the pressure of thegas entering the engine air cylinder in the step S2 so as to regulate the engine compression ratio. According to the supercharger capable of changing the compression ratio, application of the supercharger to an engine and a regulation method, the engine compression ratio is changed by adjusting the gas inlet pre-compression ratio under the situation of not changing the engine structure, and engine performance is improved in a low-cost mode.

An object of the invention is to provide a power supply controller for stopping an output of a power supply portion without adding a new circuit in the combined electronic equipment, and dispensing with ON / OFF operation of a power supply each time for every electronic equipment. The supply of power is controlled by supplying a control signal from a body CPU to voltage conversion circuits for supplying voltages having different levels to corresponding functional blocks, and the voltage conversion circuit for supplying a voltage having a level corresponding to a non-used functional block is controlled to be turned OFF, thereby reducing power consumption.

The present invention provides an audio player comprising a memory card 1, reproduction circuit 2, microcomputer 3, DSP 4, and headphone output terminal 7. The microcomputer 3 extracts bit rate information from audio data in reproduction of audio data. Every time the microcomputer extracts the bit rate information, the microcomputer feeds a frequency control signal to the DSP 4 corresponding to the bit rate information. The DSP 4 performs a specified signal processing at a frequency corresponding to the frequency control signal fed from the microcomputer 3. This suppresses the shortening of a cell life due to useless power consumption.

The invention relates to a general electric appliance energy-saving technique for changing the monitor (display) method of 220V alternative current power supply, comprising: serially connecting a buttons switch K (as graph 2) having a normal-open contactor into the serial circuit between the light emitting diode and the current limiting resistance of a monitor circuit (as graph 1) of general 22V alternative current power supply. At normal state, since the contactor of the button switch is normally open, the light emitting diode LED will not be turned on, and for detecting the communication state of a power supply, the button switch K can be pressed to close the contactor, the indicator lamp LED (light emitting diode) is turned on, to represent that the power supply is communicated. After detection, the button switch K is returned, the contactor automatically breaks, and the detection circuit quits working state. The detection on the working state of 220V power supply is changed from real-time detection to random detection, thereby mostly reducing useless work of monitor circuit and accelerating energy-saving effect. The general electric appliance energy-saving technique can prolong the service life of the components in the monitor circuit and reduce fault rate.

A plasma display panel (PDP) including a plurality of cavities within a barrier structure is disclosed. In one embodiment, the PDP includes i) an upper substrate, ii) a lower substrate facing the upper substrate, iii) the barrier structure disposed between the upper substrate and the lower substrate and defining discharge cells, iv) upper discharge electrodes arranged at intervals within the barrier structure and each surrounding at least parts of the discharge cells, v) lower discharge electrodes arranged at intervals within the barrier structure, located under the upper discharge electrode, and each surrounding at least parts of the discharge cells, and vi) phosphor layers disposed over the discharge cells. According to one embodiment of the present invention, ineffective power consumption can be reduced and heat generated in the discharge cells can be effectively dissipated.

The invention discloses a system for reducing PLC power consumption and interference and a method thereof. The system comprises an intelligent electric meter and an HPLC single-phase carrier module, wherein a signal output end of the intelligent electric meter is connected with a signal input end of the HPLC single-phase carrier module to form an intelligent electric meter device; and the HPLC single-phase carrier module is connected with a power amplifier PA by means of a digital-to-analog converter DAC and a first power supply management module DCDC1 in sequence; the intelligent electric meter, the first power supply management module and a second power supply management module DCDC2 are connected with a voltage source; and a voltage input end of the first power supply management moduleis connected with the voltage source. In combination with other structures or methods, the system and the method effectively avoid the defects that interference is brought to other HPLC-based carrierelectric meter modules due to overlarge transmitting power since the power consumption is increased when an HPLC-based carrier electric meter module is close to near field communication of a concentrator in the prior art.

The invention provides a pure electric driving system for a loader and the loader. The pure electric driving system for the loader comprises a walking motor driving system, a working motor driving system and a whole vehicle controller; the walking motor driving system comprises a first motor controller, the first motor controller is connected with a walking motor, the walking motor is connected with a gearbox, and the gearbox is connected with a front axle and / or a rear axle of the loader; and the working motor driving system comprises a second motor controller, the second motor controller is connected with a working motor, the working motor is connected with a hydraulic pump, and the hydraulic pump is connected with the loader. According to the pure electric driving system for the loader and the loader, the walking function and the working function of the loader are relatively independent, power distribution is facilitated, energy consumption is reduced, and energy is saved.