45results about How to "Achieve power consumption" patented technology

In case of driving each of light emitting parts of a surface emitting laser, each of light emitting parts is made to be in forward-bias state and switches appropriately change bias voltage, which is lower than laser oscillation threshold voltage, and drive voltages, which are not less than the laser oscillation threshold voltage to directly apply the changed voltage to each of drive ends of the light emitting parts. Whereby, each of light emitting parts is driven.

A method and apparatus are disclosed for supplying power in electronic equipment. Thus the apparatus comprises at least one electronic component and a power supply unit that provides power to the electronic component. The power supply unit incorporates a detector that is responsive to the power output level from the power supply unit increasing beyond a predetermined limit. If this limit is breached, the power supply unit outputs a delay signal to the electronic component. This delay signal then causes the electronic component to reduce its power consumption (such as by performing dummy operations), thereby avoiding an overload on the power supply unit.

In case of driving each of light emitting parts of a surface emitting laser, each of light emitting parts is made to be in forward-bias state and switches appropriately change bias voltage, which is lower than laser oscillation threshold voltage, and drive voltages, which are not less than the laser oscillation threshold voltage to directly apply the changed voltage to each of drive ends of the light emitting parts. Whereby, each of light emitting parts is driven.

The invention provides a gas sensor based on TMDCs-SFOI heterojunction and a preparation method thereof. The gas sensor takes two-dimensional transition metal sulfide TMDCs as a gas sensitive layer and a semiconductor film on an insulator SFOI as a conductive channel; after TMDCs are contacted with SFOI, due to the Fermi level difference, electrons are transferred from the high Fermi level side tothe low Fermi level side, thereby generating space charge regions on both sides of the heterojunction and forming a p-n junction; when gas molecules to be detected are adsorbed on the surface of theTMDCs and charge transfer occurs between the gas molecules to be detected and the TMDCs, the concentration of carriers in the TMDCs is changed, a p-n junction potential barrier is changed, the width of the space charge region in the SFOI is changed, and finally the resistance of the conductive channel is changed, so that the gas to be detected is sensed. According to the gas sensor based on TMDCs-SFOI heterojunction and the preparation method thereof, the gas sensitive layer is separated from the conductive channel, meanwhile, the high sensitivity of the two-dimensional TMDCs to adsorbed gas molecules is utilized, and a gas detector is beneficial to achieving high sensitivity and high reliability and can be directly integrated on a semiconductor chip together with the mature traditional semiconductor device process.

The invention discloses a method to prepare perchlorate by electrolyzation. Make the electrobaths is greater than or equal to 3 in series become a group and arrange according to graded position difference, make the electrolyte flow from the high-position electrobath to the highest-position one, after electrolyzed, overflow into next one for electrolyzation, then overflow into next one, and electrolyzed in the final one to obtain the finished electrolyte, and control the conversion within 65-85%, to use the finished electrolyte to produce perchlorate product. It improves the current efficiency by above 15%, each ton of perchlorate can reduce electric consumption by 800kw.h, and the output of the perchlorate can be raised by 15% above.

The invention belongs to the field of automation and control engineering, and in particular relates to a gapless automatic switching device for an intelligent dual direct-current power supply with a power supply state monitoring function. The gapless automatic switching device consists of a resistor, a light emitting diode, a diode, a voltage stabilizing tube, a voltage comparator, a field effect tube, a high-precision high-current power switch, a reverser, a microcontroller and a controller area network (CAN) transceiver. By using the gapless automatic switching device, a power supply is switched without a gap, so that a direct current is provided uninterruptedly. A control part adopts an enhanced metal-oxide-semiconductor field-effect transistor (MOSEFT) as a voltage for driving, so that power consumption of an original system is not increased basically when the gapless automatic switching device works. After a switching action is finished, an auxiliary power supply supplies power to equipment through the high-precision high-current power switch, so that the energy loss is extremely low. The aim of remotely monitoring the working state of the power supply can be fulfilled by programming the microcontroller and by the transmission function of the CAN transceiver. Therefore, the invention has the advantages that the gapless automatic switching device is high in efficiency, simple and reliable in circuit, low in cost and energy consumption, high in adaptability, and favorable to remote monitoring.

The invention discloses an SoC chip. The chip comprises a PCU, a DMA controller, a power domain module and a memory, wherein the PCU is used for monitoring a power consumption event and sending initial address information corresponding to the power consumption event to the DMA controller; the DMA controller is used for executing descriptor corresponding operation of the descriptor linked list based on the initial address information; the memory is used for storing the descriptor linked list, the backup state data and the cache data; and the power supply domain module is used for adjusting thepower consumption state under the control of the PCU and/or DMA controller. According to the SoC chip, on the basis of the PCU, the DMA controller and the memory, power consumption control over the granularity of the power domain module can be achieved without extra software intervention, flexible configuration can be achieved, power consumption management requirements of different complex scenescan be met, and the power consumption of the SoC chip can be effectively reduced. The invention also discloses a power consumption control method and a readable storage medium, which have corresponding technical effects.

The invention discloses a programmable power-on reset system which comprises a low-dropout regulator, an RC oscillator, a partial voltage stabilizer, an A/D converter and a counter control and judgment logic module, wherein the low-dropout regulator is used for converting a battery voltage into a supply voltage which is required by a controlled circuit, and outputting the supply voltage to the partial voltage stabilizer as a voltage to be detected; the RC oscillator is used for producing a clock signal; the partial voltage stabilizer is used for outputting partial voltage, voltage stabilization and filtration of the voltage to be detected to the A/D converter; the A/D converter is used for converting a voltage signal to be detected into a digital signal, and outputting the digital signal to the counter control and judgment logic module; the counter control and judgment logic module is used for comparing the output of the A/D converter with a programmable digital code, timing the time when the voltage to be detected is higher than a programmable power on threshold, and outputting a correct control signal according the results of timing and comparing.

The invention discloses an FPGA equipment management system which comprises hardware equipment (a universal processor, a BMC, a communication bus, a power supply controller, a fan controller, an adjustable clock, an electronic switch, a temperature sensor and the like, wherein the universal processor and the BMC are the core of the system, other accessories are selectable) and management software. The hardware equipment is connected through leading wires on a printed-circuit board or flat cables in a machine box. The management software operates on the universal processor. A user has an access to the management system through a network interface, and long-distance management on an FPGA is completed. The FPGA in the single machine box can be managed effectively, compared with the prior art, the management method of the FPGA in the single machine box is greatly simplified through the system, and the efficiency of application development on the FPGA in the single machine box is improved.

The invention provides a pure electric vehicle three-electric system integration test method and a test bench, and the method comprises the steps: obtaining the operation data of a drive motor under different working conditions, taking the operation data as the target data, and carrying out the power consumption and performance test of a three-electric system on the test bench at different temperatures of a power battery system. The experiment table comprises a whole vehicle three-electric system module which is tested hardware equipment of a whole vehicle; the dynamometer module is used for carrying out a working condition simulation test on the whole vehicle three-electric system module; and the environment temperature simulation module is connected with the whole vehicle three-electricity system module and is used for simulating different environment temperatures of a power battery system of the three-electricity system module. The problems that in the prior art, when a real vehicle is debugged, the number of wire harness and program faults is large, and the faults are difficult to process are effectively solved, complex working condition simulation tests at different temperatures can be completed in the design stage, whole vehicle design indexes are verified in advance, and the development efficiency is improved.

The invention relates to a system for realizing a network security control function based on a wireless sensor in a transformer substation, and the system comprises a wireless sensor and a wireless data collection terminal, and each of the wireless sensor and the wireless data collection terminal is both of a star network structure without a relay node. The invention also relates to a method for realizing the network security control function based on the wireless sensor in the transformer substation. By adopting the system and the method for realizing the network security control function based on the wireless sensor in the transformer substation, the characteristic of micro-power operation of the wireless sensor is fully considered, and the control management of the network security is systematically designed. The method is characterized in that secret key management is automatically generated by software based on the unique code of the MCU and can only be read by a programming tool,each sensor has an independent secret key, a secret key generator is not needed, and the method is quick, convenient, safe, low in cost and free of extra power consumption.

The invention provides a data acquisition system based on FSK, wherein a two-grade star-shaped network is utilized. In a first-grade star-shaped network, nodes are connected through Lora or NB-IoT technology. For a local aggregation part, FSK technology is utilized for realizing second-grade star-shaped connection, and main nodes of the second-grade star-shaped network is used as sub nodes in the first-grade star-shaped network. The main nodes of the second-grade star-shaped network are connected with the first-grade star-shaped network, thereby realizing a purpose of data transmission.

The invention discloses a refrigerating device, a constant-speed compressor system and a starting running low-power-consumption control circuit of the constant-speed compressor system. The constant-speed compressor system comprises a starter and a main control panel. The starting running low-power-consumption control circuit comprises a first controllable switch unit arranged on the main control panel, a second controllable switch unit arranged on the main control panel, and a control chip arranged on the main control panel, wherein the first controllable switch unit is connected with a constant-speed compressor through the starter; the second controllable switch unit is connected with the constant-speed compressor through the starter; the control chip is used for controlling the second controllable switch unit to be closed at first when receiving a starting instruction of the constant-speed compressor, controlling the first controllable switch unit to be closed to connect an alternating current power source to supply power to the constant-speed compressor after the second controllable switch unit is closed, and controlling the second controllable switch unit to be opened to cut off a power supply loop of a PTC resistor in the starter after the constant-speed compressor is started, and the purpose of zero power consumption of the starter is achieved when the constant-speed compressor runs.

The invention discloses a high-efficiency heat exchange fire grate of a heat-conducting oil furnace, comprising a heat exchange tube in a structure, wherein the heat exchange is connected in parallel between a lower communicated horizontal tube and an upper communicated horizontal tube, and is formed like a fire grate; an oil inlet and an oil outlet are respectively arranged on the lower communicated horizontal tube and the upper communicated horizontal tube; the heat exchange tube is a compound sleeve tube structure; an internal sleeve tube is a blind tube which has a closed end and which is located on an inner wall of an external sleeve tube by means of an end bracket. The fire grate provided by the invention also ensures flow speed of heat-conducting oils in the tube under the condition that rigidity of the heat exchange tube is ensured so as to reach provisions of related state standards.

The invention discloses an LED lighting device comprising a lamp body and a lamp box. The lamp box is internally provided with a cavity for holding the lamp body embedded in the cavity, and the lamp body is removably connected to the lamp box, and comprises LED lamps, a control circuit board and lamp cups; a plurality of LED lamps are provided, and separately fixed to the control circuit board uniformly, and the LED lamps are connected to the control circuit board electrically; the control circuit board is connected to an external power supply electrically; a plurality of lamp cups are provided, and separately cover the exteriors of the corresponding LED lamps one by one; and the bottoms of the lamp cups are fixed to the control circuit board. The LED lamps are used as light sources, and the service life of the overall device can be prolonged; the power consumption is reduced, and the lamp cups additionally arranged separately correspond to the LED lamps and play a role in focusing; the light intensity of the overall device is improved greatly, and energy waste is farthest reduced.

The invention provides an optical signal positioning device, a method and a system and belongs to the photoelectric signal technology field. The device comprises an optical signal sending module and an optical signal processing module. The optical signal sending module and the optical signal processing module form optical coupling. The optical signal sending module is installed on an object to bemeasured. The optical signal sending module is used for determining whether the moving speed of the object to be measured satisfies a preset condition. If the moving speed of the object to be measuredsatisfies the preset condition, through positioning a light source, positioning light is emitted, and through at least two light sources, flare light is emitted. The optical signal processing moduleis used for acquiring the positioning information of the object to be measured according to the collected poisoning light and determining the position change condition of the object to be measured according to the at least two paths of collected flare light and the positioning information. The optical signal sending module emits the flare light according to the moving speed so as to realize the control of power consumption. The optical signal processing module collects the flare light sent by the optical signal sending module on the object to be measured so that the object to be measured is accurately identified, positioned and tracked in middle and long distances.

The invention discloses a circuit for switching the working mode of a charge pump under an on-load condition without power failure and an implementation method of the circuit. The invention mainly aims to solve the problem that an existing charge pump needs to be shut down and restarted when switching the different working modes of the charge pump. The circuit of the invention comprises an input power source control switch S_in_vx, a capacitor CX, a current source I _ PD2, a subtracter SUB 1, a subtracter SUB 2, a multiplying unit MUL 1, a multiplying unit MUL 2, an operational amplifier OP1,an operational amplifier OP 2, a passive current limiting circuit, voltage clamping circuits A1, A2 and A3, a voltage clamping and current limiting circuit and the like which are all connected with the VX pin of a charge pump chip. According to the circuit and the implementation method of the circuit provided by the invention, different connection modes of an input power source and an output loadin the circuit of the charge pump chip can be realized through switching on and switching off switches, so that the charge pump can present different working modes, and therefore, the working modes ofthe charge pump can be realized under an on-load condition without power failure. Thus, the method has high use value and popularization value.

The invention provides a circuit which comprises a current source which is serially connected with a load between two terminals of application of first direct-current voltage, an element is used for limiting the voltage spanning the load, and the circuit is used for controlling the value of current in the current source by using current flowing in the element. Due to the adoption of the circuit, the power consumption of the current source for supplying power to the load can be optimized, and the load to be supplied with power does not need to be modified.

The invention provides a logic operation circuit, a differential amplification circuit and an electronic equipment. The logic operation circuit comprises at least one differential logic operation circuit, the differential logic operation circuit comprising: a logic network module comprising a first logic network unit and a second logic network unit with complementary logical functions, the input signals of the first logic network unit and the second logic network unit form differential signals, and the first logic network unit and the second logic network unit are used for realizing a preset logic function according to the input signals and outputting an operation result; the differential amplification module comprises a first input end, a second input end, a first output end and a second output end, the first input end and the second input end are respectively connected with the output ends of the first logic network unit and the second logic network unit, and the first output end and the second output end form a differential output end; and the amplifier is used for amplifying the operation result and outputting a logic operation result. Side channel attacks can be prevented, the data safety is improved, and the circuit power consumption is reduced.

The invention provides a flow guiding device for cooling turbine inlet working substance. The device comprises a body axially confined between a combustion chamber and a turbine. An annular cavity isformed inside the body, and a plurality of working substance channels guiding the working substance from the combustion chamber to the turbine are formed in the annular cavity. The working substance channels comprise at least tapered sections, wherein flow guiding plates on both sides are gradually approached. The flow guiding plates on both sides are fixedly connected to the inner and outer surfaces of the annular cavity. The device has the advantages that the working substance flows into a turbine inlet after accelerated cooling through the working substance channels, so that the restrictionof the turbine blade thermal load on the outlet temperature of the combustion chamber is removed. In addition, the initial velocity of the working substance entering the turbine inlet is higher, theefficiency of the turbine stage is improved, greater thrust is generated, the output during the start-up phase SFC is reduced, and power consumption of the gas turbine is reduced.

The invention belongs to the technical field of refrigeration, and provides a low-power-consumption jet type refrigerating system equipped with a thermal driving pump. The system comprises a jet type refrigeration cycle and a heat collection cycle. The jet type refrigeration cycle comprises a high-pressure container, a generator, an ejector, an evaporator, a condenser, a liquid storage device, a mixing chamber, the thermal driving pump, an electronic expansion valve, a mass flow meter, an adjustable valve and the like, wherein the high-pressure container is mainly used for generating the high-pressure gas. The heat collection cycle mainly adopts low-grade heat energy to serve as a heat source to heat a heat-carrying agent, then the heat-carrying agent is driven by a water pump to exchange heat with working media in the high-pressure container and the generator, and energy transfer is achieved. Compared with the prior art, the system has the advantages that the low-pressure liquid-phase working media can be effectively driven by the high-pressure gas-phase working media; and the thermal driving pump is adopted in the jet type refrigerating system to replace a mechanical pump, so that high-efficiency operation of all parts in the system is ensured, and no pump and the low power consumption of the jet type refrigerating system are really realized.