35results about How to "Reduce thermal power consumption" patented technology

The invention discloses a charging method adopting USB interfaces, which is characterized in that after detecting voltage input on the power pins of the USB interfaces, a charge control module firstly detects the data pin signals of the USB interfaces and then sets different charge current for the batteries according to the difference of the data pin signals; if detecting that the two data wires of the USB interfaces are at high level, the charge control module sets high current for charging the batteries, or the charge control module sets low current for charging the batteries; the USB interfaces employ voltage of 4.5-5.6V. In the method, under the same low charge voltage, whether the inserted power supply is from the computer or the travel charger is judged by recognizing the data pin signals of the USB interfaces, thus setting different charge current for the batteries, solving the problem that the existing travel chargers have big current and big voltage when charging and reducing the heat power consumption during charging.

The invention discloses a heat insulating cage for a polycrystalline ingot casting furnace, comprising a top plate and a side plate. The heat insulating cage is characterized in that a heat reflecting layer is formed on the inner side of an inner layer of the top plate and / or the side plate, wherein the heat reflecting layer is made of materials which has the characteristic that the reflecting quantity of the heat radiated to the heat reflecting layer is higher than the reflecting quantity of the heat radiated to the inner layer of the top plate and / or the side plate. The heat insulating cage can effectively reflect the heat quantity radiated to the heat insulating cage back to the inner part of the ingot casting furnace, thereby solving the problem of heat waste to a certain degree and reducing heat power consumption. The invention further discloses an ingot casting furnace with the heat insulating cage.

The invention discloses a heat-preservation cylinder, which is used for a single crystal furnace. The heat-preservation cylinder is characterized in that: a heat reflection layer is formed on the inner side of an inner layer of the heat-preservation cylinder, and is made from a material which can reflect more heat incident onto the heat reflection layer than that incident onto the inner layer of the heat-preservation cylinder. The heat-preservation cylinder of the invention can effectively reflect the heat irradiated to the heat-preservation cylinder back into a furnace body again so as to solve the problem of heat waste to a certain extent and reduce heat power consumption. The invention further discloses the single crystal furnace with the heat-preservation cylinder.

An oil-saving piston of internal combustion engine consists of piston skirt section, piston skirt wall and piston ring. It is featured as forming multiple groove and multiple trough hole as well as multiple nonthrough hole at said skirt section of piston then using said groove to provide stored lubrication oil and said through hole to provide supplied lubrication oil as well as said nonthrough hole to provide stored lubrication oil.

The invention provides an anti-flowing backwards protection circuit, which is electrically connected between an input circuit and an output circuit. The anti-flowing backwards protection circuit comprises a reference voltage providing circuit, a voltage comparing circuit and an anti-flowing backwards circuit, wherein the voltage comparing circuit comprises a current detection resistor; the output end of the reference voltage providing circuit is connected with the first input end of the voltage comparing circuit; the negative electrode of the input circuit is connected with the negative electrode of the output circuit via the current detection resistor; feedback voltage is formed on the current detection resistor to act on the second input end of the voltage comparing circuit; and the anti-flowing backwards circuit comprises a P channel MOSFET. Through comparing the reference voltage and the feedback voltage by the voltage comparing circuit, the working state of the P channel MOSFET is controlled through the output end of the voltage comparing circuit, backward flowing current can be prevented from entering the input circuit from the output circuit, and the technical problems of large power consumption and much cooling when a diode is adopted in the prior art to realize backward flowing prevention can be solved.

The invention provides a backlight circuit, and a method and a terminal for controlling the voltage of the backlight circuit. The backlight circuit comprises a luminescent device module, a current control circuit module, a switch power module and a processor, wherein the luminescent device module is serially connected with the current control circuit module; the switch power module provides voltage for the luminescent device module; the processor is used for controlling the output voltage of the switch power module in a backlight starting process, and enables the voltage of the current control circuit module to be equal to or slightly greater than the pre-stored corresponding reference voltage of the current control circuit module under the corresponding brightness level. The using voltage can be automatically controlled according to the backlight brightness level, backlight power consumption can be reduced to the maximum degree on the premise that the user experience is unaffected, so that the purpose of saving energy is achieved, and the endurance ability of the terminal is improved.

This invention relates to rapid update electron parts probe card, which comprises one circuit board, multiple probes and several container sockets, wherein, the circuit board is set with electron circuit connected to the passive elements joints; detect probes is connected to electrical circuit; probe card is to test by detector; each container socket is set with two conductive fix parts on the points to form one container part and at least on open; the container parts are to contain above passive element to connect two fix parts through open to transfer each passive element.

The invention provides a method for reducing the friction between the piston and the cylinder wall of an internal combustion engine, comprising the following steps: (a) constantly guiding the lubricating oil to flow to the surface of the piston skirt through the through hole provided on the piston skirt during the movement of the piston and (b) storing lubricating oil in the groove provided on the piston skirt and the non-through hole of the piston skirt, so that a sufficient amount of lubricating oil is always applied between the cylinder wall of the internal combustion engine and the surface of the piston skirt lubricating oil, and isolate the metal contact between the cylinder wall and the piston skirt, and finally reduce the friction between the piston skirt and the cylinder wall, reduce the internal combustion engine friction work loss, heat power consumption, and improve the internal combustion engine Higher power output, lower fuel consumption, noise and emissions. To achieve the dual benefits of fuel saving and environmental protection. In order to achieve the purpose of the method and steps for reducing the friction between the piston and the cylinder wall of the internal combustion engine, the invention provides a fuel-saving piston of the internal combustion engine, the piston comprising: a piston skirt, a piston skirt wall, and a piston ring. A plurality of grooves are formed in the piston skirt, a plurality of through holes are formed in the piston skirt, and a plurality of non-through holes are formed in the piston skirt. The piston skirt groove provides storage lubricating oil, the piston skirt through hole provides supply lubricating oil, and the piston skirt non-through hole provides storage lubricating oil. The present invention can be widely applied to: internal combustion engines, including vehicles, ships, tanks, generators, mining machinery, compressors and the like. The fuel saving effect and environmental protection benefit are very remarkable.

The invention provides a gas sensor and a preparation method thereof. The gas sensor includes a base and a plurality of gas sensitive elements. The base is provided with a plurality of spaced hollowed-out parts. Each gas sensitive element is disposed in one hollowed-out part. The plurality of gas sensitive elements and the plurality of hollowed-out parts are disposed in one-to-one correspondence,and redundant part on the base is excised simultaneously, so that the base becomes hollowed-out. The hollowed-out base has a decreased area, the heating area of a gas sensitive element array packagingstructure is reduced, and then the thermal power consumption of the gas sensitive element array packaging structure is reduced.

The invention relates to a data acceleration processing system which comprises a processing device, a storage device, an interface device and a control device. And the processing device is used for realizing accelerated operation processing of the data. And the storage device is electrically connected with the processing device and is used for storing the data transmitted by the server. And the interface device is electrically connected with the processing device and is used for realizing data transmission between the processing device and a server. And the control device is used for regulating and controlling the state of the processing device. In the operation process, a large number of operation tasks in the server can be transmitted to the processing device for operation through the interface device. A large amount of cache data may be stored in the storage device during completion of the operation. According to the data acceleration processing system, through cooperation of the processing device, the storage device, the interface device and the control device, the data reading speed and the operation efficiency are improved.

The invention discloses a battery module for improving the charging rate and efficiency of terminal equipment and a working method of the battery modulethereof. The battery module comprises a batterypack composed of a plurality of identical batteries, a battery panel and an external interface. Power supply output management, charging management, electric quantity detection, battery switch controland charging and power supply path switching of the battery module are carried out through a the power supply management circuit on the battery panel. During early-stage high-voltage charging, the batteries are connected in series. T, the charging current of each battery is reduced , and the thermal power consumption of the battery is greatly reduced, so that the heating of the battery is reduced, the contradiction between quick charging and heating is solved, the charging speed of the battery module is increased, the user experience of the terminal equipment is improved, the battery module supports the output of various voltages, and the battery is more flexible to use.

The invention discloses a four-leaf aberration deformation mirror device which belongs to the field of system aberration compensation of optical systems and aims at solving the problems that the mounting and the detection are difficult to perform and the moving rigid body displacement is large in the prior art. The device comprises an optical element, a deformable mirror frame, eight actuators, eight displacement sensors, an upper fixed plate and a lower fixed plate, wherein the optical element and the deformable mirror frame are connected to form a mirror frame component in an adhesion or compression mode; the upper fixed plate and the lower fixed plate are respectively fixed on the deformable mirror frame through screws; four actuators which are distributed at an angle of 90 degrees in the circumferential direction are arranged on the upper fixed plate; four actuators which are distributed at an angle of 90 degrees in the circumferential direction are arranged on the lower fixed plate; the eight actuators on the upper fixed plate and the lower fixed plate are distributed at an angle of 45 degrees; the actuators are arranged along the optical axis of the optical element; input displacement vertically acts on the deformable mirror frame; the eight displacement sensors are respectively arranged on the upper fixed plate and the lower fixed plate and are opposite to the eight actuators.

The invention relates to an astigmatic deformable mirror device, which belongs to the field of system aberration compensation of an optical system and aims to solve the problems of difficulty in processing and manufacturing and large displacement of an introduced rigid body in the prior art. The astigmatic deformable mirror device comprises an optical element, a deformable mirror frame, four actuators, four displacement sensors, an upper fixed plate and a lower fixed plate, wherein the optical element and the deformable mirror frame are connected into a mirror frame assembly in a gluing or compressing mode; the upper fixed plate and the lower fixed plate are fixed on the deformable mirror frame respectively by screws; two actuators which are circumferentially distributed in 180 degrees are arranged on the upper fixed plate, the other two actuators which are circumferentially distributed in 180 degrees are arranged on the lower fixed plate, the four actuators on the upper fixed plate and the lower fixed plate are circumferentially distributed in 90 degrees, the actuators are arranged along the direction of an optical axis of the optical element, and input displacements vertically act on the deformable mirror frame; and the four displacement sensors are respectively arranged on the upper fixed plate and the lower fixed plate and are opposite to the four actuators.

The invention discloses a combined scheduling method and system for communication and clean power supply of a delay-tolerant data commuting traffic network, and the method comprises the steps: constructing a classified and layered space-time alignment model on the basis of an existing communication network, and designing a space-time matching method of a multi-dimensional entity. The integrated scheduling commuting vehicle piggybacking data, the delay-tolerant traffic unloading of the communication network, the wind power photovoltaic power consumption, the piggybacking of the load valley period of the communication network, the clean energy power supply time window and the data of the commuting vehicle based on the time looseness of the delay-tolerant data, and the time-space hierarchical classification matching scheduling, so that the network congestion is relieved, and meanwhile, the time-space hierarchical classification matching scheduling is realized. The industrial value of the clean energy micro-grid is released, the thermal power consumption of a communication network is reduced, and low-carbon or zero-carbon transmission is realized.

The invention provides a boosting circuit and a terminal. The boosting circuit is applied to the terminal having a rechargeable battery; the terminal comprises a battery protection module, a first transistor and a second transistor; a first input end of the boosting circuit is connected with a charging control CO (Carbon Oxide) end of the battery protection module; a second input end of the boosting circuit is connected with a discharge control DO (Dissolved Oxygen) end of the battery protection module; a first output end of the boosting circuit is connected with a control electrode of the first transistor; a second output end of the boosting circuit is connected with the control electrode of the second transistor; and the boosting circuit is used for boosting driving voltages outputted bythe CO end and the DO end in a case where the first transistor and the second transistor are controlled to be switched on so as to reduce the on-resistance of the first transistor and the second transistor. According to the embodiment provided by the invention, the on-resistance of the first transistor and the second transistor can be enabled to be lower and more stable, thereby implementing theeffect of reducing the thermal power consumption of the channel and improving the over-current detection precision.

The invention discloses a piezoelectric ceramic driving device. The piezoelectric ceramics driving device comprises a low voltage amplification circuit and four reverse high voltage operation amplification circuits. The output of the low voltage amplification circuit is connected to input terminals of a first reverse high voltage amplification circuit and a second reverse high voltage amplification circuit. The output terminals of the first reverse high voltage amplification circuit and the second reverse high voltage amplification circuit are connected to a positive electrode of the piezoelectric ceramic input terminals of a third reverse high voltage amplification circuit and a fourth high voltage amplification circuit. The output terminals of the third reverse high voltage amplification circuit and the fourth reverse high voltage amplification circuit are connected to the negative electrode of the piezoelectric ceramic. An input signal flows out through amplification by the low voltage amplification circuit and is inputted into the first reverse high voltage amplification circuit and the second reverse high voltage amplification circuit to go through reverse high voltage amplification and then is inputted into the positive electrode of the piezoelectric ceramic and the input terminals of the third reverse high voltage amplification circuit and the fourth reverse high voltage amplification circuit to go through reverse high voltage amplification and then the input signal is inputted into the negative electrode of the piezoelectric ceramic. As a result, amplified signals which are amplified for hundreds of times are formed on two sides of the piezoelectric ceramics. The piezoelectric ceramics driving device and driving method adopt multiple high voltage operation amplifiers which are connected in parallel to perform output in order to improve output current and reduce the amount of heat generated by each high voltage operation amplifier.

The invention relates to the technology of semiconductors, in particular to a PSOI transverse high-voltage power semiconductor device. The transverse high-voltage MOSFET is characterized in that a second conductive type semiconductor buried layer is introduced below a source end, current carries are prevented from being too concentrated at the source end, power consumption of the device at the source end is reduced, and therefore natural heat effect of the device is improved; even doping is adopted in a first drift region of a second conductive type semiconductor, doping relatively high in concentration is adopted in a second drift region of the second conductive type semiconductor, electrical resistivity of the drift regions can be reduced, specific on-resistance of the device is reduced, and therefore power consumption of the device is reduced, and temperature of the device is lowered. The PSOI transverse high-voltage power semiconductor device has the advantages of being good in self-heating effect, low in on-resistance, high in voltage resistance, small in domain area and the like, and technological difficulty and cost are reduced.

The invention relates to an astigmatic deformable mirror device, which belongs to the field of system aberration compensation of an optical system and aims to solve the problems of difficulty in processing and manufacturing and large displacement of an introduced rigid body in the prior art. The astigmatic deformable mirror device comprises an optical element, a deformable mirror frame, four actuators, four displacement sensors, an upper fixed plate and a lower fixed plate, wherein the optical element and the deformable mirror frame are connected into a mirror frame assembly in a gluing or compressing mode; the upper fixed plate and the lower fixed plate are fixed on the deformable mirror frame respectively by screws; two actuators which are circumferentially distributed in 180 degrees are arranged on the upper fixed plate, the other two actuators which are circumferentially distributed in 180 degrees are arranged on the lower fixed plate, the four actuators on the upper fixed plate and the lower fixed plate are circumferentially distributed in 90 degrees, the actuators are arranged along the direction of an optical axis of the optical element, and input displacements vertically act on the deformable mirror frame; and the four displacement sensors are respectively arranged on the upper fixed plate and the lower fixed plate and are opposite to the four actuators.

The invention discloses an ultraviolet curing color adhesive and a preparation method thereof. The ultraviolet curing color glue comprises the following components in percentage by mass: 45% of polyurethane acrylic resin; 25% of a divinyl monomer; 10% of a filler; 10% of organic toner; 4% of a photoinitiator; 4% of a dispersant; and 2% of glass fiber. The invention has the following beneficial effects: (1) the polyurethane acrylic resin and the divinyl monomer have 100% solid content, solvent volatilization and carbon emission are avoided, and the environment is protected; (2) the curing condition is that an ultraviolet curing lamp is used, the curing speed is high, and the curing can be completed within 3 minutes, so that the thermal power consumption is very low, the production efficiency is improved, and the energy is saved; (3) the whole production device is more compact in design and easy to process, the field area is saved, and the space utilization rate is improved; (4) the formed integrated color glue is good in hardness and acid corrosion resistance.

This invention relates to rapid update electron parts probe card, which comprises one circuit board, multiple probes and several container sockets, wherein, the circuit board is set with electron circuit connected to the passive elements joints; detect probes is connected to electrical circuit; probe card is to test by detector; each container socket is set with two conductive fix parts on the points to form one container part and at least on open; the container parts are to contain above passive element to connect two fix parts through open to transfer each passive element.

The invention provides a novel direct current series excited motor control system and method. The novel direct current series excited motor control system includes a DC power supply UDC, and includesa first branch circuit and a second branch circuit which are connected to the DC power supply UDC in series, wherein the first branch circuit includes a third branch circuit and a fourth branch circuit which are connected in parallel; the third branch circuit includes a first IGBT module and a second IGBT module which are connected in series; and the fourth branch circuit includes a third IGBT module and a fourth IGBT module which are connected in series. The novel direct current series excited motor control system can realize contactless smooth commutation of a direct current series excited motor through an electric power electronic device, can integrate commutation with motor modulation, can reduce the cost and heat dissipation of the system, and can improve the system efficiency.

The invention discloses a motor speed regulation board which comprises a controller, a driving circuit and a switching circuit, the controller outputs a control signal to the driving circuit after receiving an external control signal related to motor speed regulation, and the driving circuit completes chopping by controlling the on-time and the off-time of a switching tube in the switching circuit. And the motor completes speed regulation according to the duty ratio after acquiring a switching signal of the switching circuit. Compared with the prior art, according to the scheme, a filter inductor and a filter capacitor are removed from the speed regulation circuit, meanwhile, the power loss of a filter part is removed, the additional heat power consumption of the system is reduced, and the speed regulation efficiency of the system is improved. Meanwhile, a large-current inductor is not needed for filtering, so that the hardware cost of the speed regulation system is reduced. In addition, the invention further discloses a motor system, the motor system comprises the motor speed regulation plate, and the above beneficial effects can be achieved correspondingly.

The invention discloses a single-line carrier photodetector and a manufacturing method thereof. The photodetector includes a substrate, an epitaxial layer and an electrode, and the epitaxial layer includes an assembly layer, a cliff layer, a conduction layer, and an absorption layer stacked in sequence. and a blocking layer, the absorbing layer adopts graded doped InGaAs, the blocking layer adopts AlxIn1-xAs, 0<x<1. The present invention adopts AlxIn1-xAs material as the barrier layer and the assembly layer; the conduction layer InGaAlAs with graded composition is used to smooth the band gap between InGaAs and InAlAs, realize lattice matching, reduce the dislocation density at the heterogeneous interface and prevent electrons from The aggregation of heterogeneous interfaces accelerates the drift speed of electrons. At the same time, the doping concentration of the assembly layer presents a gradient change. On the one hand, it can effectively weaken the space charge effect, reduce the thermal power consumption of the device, and increase the saturation output current of the device; on the other hand, it can effectively weaken the speed overshoot effect and obtain a small voltage. Depends on bandwidth and better linear response.

This invention relates to one plane light wave heat conductive part micro heating device, which comprises light transmission channel, two contact point connected to outer power to connect light transmission channel through connection arm, wherein, the light transmission channel is of rip light wave guide orderly depositing isolation layer, chip layer, upper pack layer and heat electrode film on underlay; two contact points and connection arm has same layer structure in height direction. The process method comprises steps of etching to form light transmission channel, connection arm and contact point; then using etch method to form micro heating device.

The invention provides a camera drive motor low in power consumption. Multiple elastic parts, which are disposed at two ends of a carrier, of the camera drive motor jointly acts on the carrier to allow the initial state stress of the carrier to be balanced. The carrier is suspended relative to a base by the elastic part disposed at the lower end of the carrier. When the drive motor starts to work, certain displacement, relative to the base, of the initial state of the carrier exists, the carrier starts to move under magnetic field force, idle work of the drive motor in the initial state is avoided, heat power consumption is reduced greatly, the carrier can move bidirectionally in the initial state, the moving journey of the drive motor is increased, and various shooting requirements are satisfied.