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79results about How to "No increase in power consumption" patented technology

Charge pump circuit and working method using its non-volatile storage

Traditional charge pump circuit for generating positive and negative voltages, without high voltage outputs. There is a provided a charge pump circuit comprising: a first reverse current prevention circuit connected between an external power supply and a first internal node; a first output node, connected to the first internal node, for outputting a first output potential; a second reverse current prevention circuit connected between a second power supply node receiving ground potential and a second internal node; power supply node for receiving a first power supply potential; a first reverse current prevention means connected between the first power supply node and a first internal node; a first output node, connected to the first internal node, for outputting a first output potential; and power supply generation means, connected between the first internal node and second internal node, for enhancing the potential of the second internal node as compared to that of the first internal node, wherein the power supply generation means is formed on or within a semiconductor substrate, and includes a diode element provided so as to flow a current from the first internal node to the second internal node, and a capacitor having one electrode connected to the first and second nodes, and the other electrode provided with a clock signal. thereby enabling higher outputs on both positive and negative voltages.
Owner:MITSUBISHI ELECTRIC CORP

Perforated plate fresh air introducing and purifying device

The invention discloses a perforated plate fresh air introducing and purifying device and belongs to the technical field of air energy recycling and high efficiency energy saving in ventilation equipment. The device comprises a perforated plate purifying, energy recycling and heating core, a fresh air machine, an exhaust fan and an electric cabinet, wherein the size of the perforated plate purifying, energy recycling and heating core is 160mm*160mm to 350mm*350mm; the perforated plate purifying, energy recycling and heating core comprises 45 to 2400 pieces of perforated plate semi-closed conductive combinations and corrugated pieces; each perforated plate semi-closed conductive combination comprises a perforated plate, conductive bands, purifying copper sheets A and B, and heating copper sheets A and B; a square hole shaped fresh air channel with the side length being 1 to 20mm is formed in the perforated plate; the conductive bands are printed or sprayed on the two outer surfaces of the perforated plate; the purifying copper sheets A and B and the heating copper sheets A and B are respectively adhered to the two ends of the conductive bands on the two outer surfaces of the perforated plate; the perforated plate semi-closed conductive combinations and the corrugated pieces form 90 degrees and are assembled alternately and crosswise. The perforated plate fresh air introducing and purifying device has the benefits that new pollutant, such as ozone and the like, is not produced, energy can be efficiently recycled, condensation cannot be produced when the device is used in cold regions, and meanwhile the purification efficiency is high.
Owner:NINGBO DONGDA AIR CONDITIONING EQUIP

Quick-response low-dropout regulator

The invention relates to a quick-response low-dropout regulator. The quick-response low-dropout regulator comprises a band-gap reference, an operational amplifier, a feedback resistor string and a power tube, wherein the band-gap reference is used for generating reference voltage Vref and inputting the reference voltage to a negative input end of the operational amplifier, the feedback resistor string is connected with a positive input end of the operational amplifier, one end of the feedback resistor string is connected with a leak end of the power tube, the other end of the feedback resistor string is grounded, a source end of the power tube is connected with a power source VDD, and a grid end of the power tube is connected with the output end of the operational amplifier. The quick-response low-dropout regulator further comprises a reference voltage generation circuit, an NMOS (N-channel metal oxide semiconductor) transistor M1 and a PMOS (P-channel metal oxide semiconductor) transistor M2, wherein the input end of the reference voltage generation circuit is connected with the band-gap reference, the reference voltage generation circuit is used for generating reference voltage vbn and vbp. The quick-response low-dropout regulator solves the technical problem of high power consumption of an existing low-dropout regulator LDO, and too much voltage drop and overshoot is avoided by adding a part of auxiliary circuit.
Owner:XI AN UNIIC SEMICON CO LTD

Image processing method and device

The invention discloses an image processing method and device. The method comprises the steps that when it is determined that the polarity of a polar signal of a to-be-displayed image of this frame is the same as that of a polar signal of a to-be-displayed image of the previous frame according to received to-be-displayed images of all the frames and the to-be-displayed image of this frame is static relative to the to-be-displayed image of the previous frame, reducing processing is performed on the grey scale of the to-be-displayed image of this frame according to a preset first compensation corresponding relation. Reducing processing compensation is performed on the grey scale of the to-be-displayed image of the frame of which the polarity of the polar signal is reversed when the static image is displayed, that is, the to-be-displayed image of the frame of which the polarity of the polar signal is the same as that of the polar signal of the to-be-displayed image of the previous frame, therefore, on the condition that the common voltage for image displaying and the display refreshing frequency do not need to be changed, the image flickering problem caused by the overcharging phenomenon which possibly occurs when the static image is displayed can be avoided to the maximum limit, and the side effects such as power dissipation increasing and the nonuniform image quality cannot be brought about.
Owner:BOE TECH GRP CO LTD +1

Efficient refrigerating system based on cold accumulation and supercooling

The invention relates to an efficient refrigerating system based on cold accumulation and supercooling. The efficient refrigerating system comprises a compressor, a condenser, a first throttling device, a cold accumulation module, a three-way valve, a second throttling device, an evaporator and an electromagnetic valve. The compressor is provided with an exhaust port, a first suction port and a second suction port. The exhaust port of the compressor is sequentially connected with the condenser, the first throttling device, the cold accumulation module and an inlet of the three-way valve through a connecting pipe. A first outlet of the three-way valve is connected with the second suction port of the compressor through a connecting pipe. A second outlet of the three-way valve is sequentially connected with the second throttling device, the evaporator and the first suction port of the compressor through a connecting pipe. An inlet of the first throttling device communicates with the second outlet of the three-way valve through a connecting pipe provided with the electromagnetic valve. Compared with the prior art, the cold accumulation module serves as the fifth major component of the refrigerating system, the system always works with the economical refrigerating amount, the cold accumulation technology and the improvement of the supercooling degree of the refrigerating system are combined, and the capability and efficiency of the refrigerating system are improved.
Owner:TONGJI UNIV

Transparent flip smartphone standby power-saving system and method

The invention provides a transparent flip smartphone standby power-saving system and a method. The system includes a mobile phone central processing unit (CPU), a microcontroller, a POWER button, a display drive module, a display screen, a transparent flip cover, a low brightness background display module and a high brightness background display module. The display screen is arranged below the transparent flip cover, and the mobile phone CPU is connected with the display drive module through the microcontroller. The display drive module is connected with the display screen through the low brightness background display module and the high brightness background module. The low brightness background display module and the high brightness background display module are utilized to light the display screen in a matched mode respectively according to different operations of users, when the users only need to check the time, a calendar and other operations, the low brightness background display module is correspondingly driven, and the screen is enabled to be in a low power consumption state; when the users need to carry out mobile phone procedure operations, the high brightness background display module is driven, and the screen is enabled to be in a high power consumption state, so that the time and the calendar are convenient to check for the users and the power consumption cannot be increased.
Owner:SHENZHEN GIONEE COMM EQUIP

Flexible configuration device for multiplexing functional pin and implementation method of flexible configuration device

The invention discloses a flexible configuration device for a multiplexing functional pin and an implementation method of the flexible configuration device. The device comprises a level setting module and an isolation module, wherein the level setting module is used for completing configuration of a hardware configuration signal and comprises resistors R1 and R2 and a switching device SW1; the resistors R1 and R2 are connected in series between a power source and the multiplexing functional pin; the resistor R1 is connected with the power source, and the resistor R2 is connected with the multiplexing functional pin; one end of the switching device SW1 is connected with the ground, and the other end of the switching device SW1 is connected with the joint of the resistors R1 and R2; and the isolation module is a switching device SW2, one end of the switching device SW2 is connected with the joint of the multiplexing functional pin and the resistor R2, and the other end of the switching device SW2 is connected with an opposite device. By the adoption of a combination circuit comprising the level configuration module composed of the two resistors and one switch and the isolation module composed of one switch, the problems of chip adjustment and testing and maintenance inconvenience are solved, and meanwhile the universality of the multiplexing functional pin as GPIO is not limited.
Owner:GUANGZHOU HUIRUI SITONG INFORMATION SCI & TECH CO LTD

Communication device and method of NFC-based low-power-consumption irrigation facility

The invention discloses a communication device and method of an NFC-based low-power-consumption irrigation facility. The communication device comprises a master control MCU, a magnetic driving valve and a voltage stabilizing and boosting circuit and further comprises an NFC storage unit for receiving regulation and control parameter update, wherein the master control MCU is respectively connected with the magnetic driving valve and the voltage stabilizing and boosting circuit, the NFC storage unit performs internal data transmission with the master control MCU through an internally-integrated I2C communication interface and is connected with an external sensing antenna through an internally-integrated RF interface. When the communication device and method performs the irrigation regulation and control parameter update, the NFC storage unit in the device, namely a target device is in a radio frequency card simulation mode, a radio frequency field is not required to be produced, a load modulation technology is adopted to return irrigation parameters to an NFC initiation device, meanwhile irrigation parameter writing-in can be quickly performed through the NFC initiation device, and set timely update of the irrigation parameters is achieved. Therefore, when an energy capture function of the NFC storage unit is in a working state, the NFC storage unit can provide redundant caught energy for work of other devices.
Owner:SOUTH CHINA AGRI UNIV

High-efficiency washing machine

The invention provides a high-efficiency washing machine mainly comprising a machine box, a program control device, a motor, a temperature sensor and a water heater system of air energy, wherein the machine box has two water source inlets; one water source inlet is a cold water source of tap water; the water heater system of air energy provides a hot water source for the washing machine; the temperature sensor has two sensing probes; one sensing probe is positioned at a hot water outlet of the water heater system of air energy and the other sensing probe is positioned in the machine box; the program control device can control the temperature ranges of the two probes; the temperature sensor can sense the temperatures of the two probes; if the temperature is overhigh, cold water automatically enter; and the motor drives the machine box for washing and drying. Warm water produced by the water heater system of air energy is used as the hot water source for washing. The temperature of the hot water produced by the water heater system of air energy is ranged from 55 DEG C to 60 DEG C and the temperature is generally controlled below 40 DEG C after the hot water is sensed by the sensing probes and is mixed with the cold water. Therefore, a cleaning effect is better and the power consumption is not increased.
Owner:吴江市宇欣电器有限公司

Cooling device of LED array device

The invention discloses a cooling device of an LED array device. The cooling device comprises multiple pipe-shaped evaporators, a condensation chamber, heat dissipating manifolds and a center heat dissipating manifold; the condensation chamber includes a cylindrical main body opened in the top and a circular cover plate; the circular cover plate includes a conical condensation top inwards recessed; multiple heat dissipating manifolds are inserted in the conical condensation top; the pipe-shaped evaporators are spaced on a main body baseplate of the condensation chamber in an array form, and penetrate through substrates to extend among LED arrays; phase changeable working mediums are filled in the pipe-shaped evaporators; the top of a heat dissipating part is fixedly connected with the center heat dissipating manifold; the center heat dissipating manifold includes a center heat conducting part, a bridge part and a heat transfer flange connected integrally; the heat transfer flange is fixed on a mounting plate of an illuminating device; and the center heat conducting part is fixedly connected with the heat dissipating part. The cooling device of the LED array device solves the technical difficulties of quick heat dissipation and uniform heat dissipation with low cost and simple structure.
Owner:盐城市新亚自控设备股份有限公司 +1

Digital-analog converter with high signal noise distortion ratio

The invention relates to a digital-analog converter with a high signal noise distortion ratio. The digital-analog converter comprises a two-order dynamic component matching and modulating module, a switched capacitor array, an adder and a low-pass filter; the two-order dynamic component matching and modulating module is used for matching and modulating digital signals into 128-bit digital signals; the switched capacitor array is used for converting the digital signals input by the two-order dynamic component matching and modulating module, into voltage signals; the adder is used for adding the voltage signals input by the switched capacitor array; the low-pass filter is used for filtering a total voltage signal input by the adder. The switched capacitor array is composed of 64 switched capacitor units. According to the technical scheme, by means of selecting device array units through digital signals subjected to high-order modulation, device selection and positioning is achieved through pointer signals, mismatch signals are reshaped and suppressed, the mismatch noise in the analog output signals of the digital-analog converter is filtered through the low-pass filter, the noise is substantially removed from signal baseband, and key dynamic performance parameters of the digital-analog converter are increased.
Owner:XIDIAN UNIV

Method and device for combined production of ammonia synthesis gas and SNG by fixed bed crushed coal pressurization and gasification

The invention discloses a method for combined production of ammonia synthesis gas and SNG by fixed bed crushed coal pressurization and gasification; raw coal gas is subject to a CO shift step, a low-temperature methanol washing step, and a liquid nitrogen washing step, and then is delivered to an ammonia synthetic step for ammonia synthesis, and a by product of SNG is obtained in the liquid nitrogen washing step. The method omits a complicated methane conversion working section in a traditional synthesis gas production process by using a liquid nitrogen washing device and low-temperature separation technology; inert gas in the synthesis gas is removed, and the methane fraction is separated into liquid methane; finally the synthesis gas is reheated and flows out of a cold box, and reaches the specification for artificial natural gas (SNG) as clean energy. In addition, raw material gas is subject to purification and methane separation, which not only reduces the influence of inert gas in a synthetic loop, reduces waste gas discharge, but also causes no addition of additional mobile equipment, realizes combined production of synthetic ammonia and SNG, and has significant economic and social benefits. The invention also discloses a device used in the method.
Owner:SHANGHAI INT ENG CONSULTING

Water heater for electromagnetic cooker

The invention relates to an improved water heater structure. According to the conventional electromagnetic cooker heating principle, high-frequency electromagnetic coils and dense calandria are combined to form the water heater for the electromagnetic cooker; two pieces of dense calandria are close to two sides of a group of high-frequency coils, dipolar magnetic fields generated by the coils quickly collide with stainless irons of the calandria to generate high heat which is then immediately taken away by flowing water in the calandria, the water enters at a lower position, turns a corner rightwards and leftwards along an inner pipe and flows out at a higher position, moreover, the water is connected to a lower position of the calandria at the other side through a water pipe and enters, adsorbs the heat when flowing along the inner pipe, flows out at a higher position, then flows into a second group of electromagnetic coil with the like combination and enters at a lower position of the calandria assembly, wherein water that flows out at the higher position has the temperature up to 60 DEG C and needs to be connected to a water pipe tee; and a bather can select the appropriate temperature after the water meets tap water. The electromagnetic water heater has the advantages that: 1. the electricity is saved, which is one third electricity consumption of the common water heater; 2. the use is very convenient, hot water comes when opening a water switch; and 3. the magnetic thermogenesis is adopted without electricity leakage and power dead for ever.
Owner:萧志杰
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