13results about How to "Reduce current consumption" patented technology

The application discloses a winding structure and a motor adopting the winding structure. The winding structure comprises a plurality of first coils, the plurality of first coils are arranged around an axis of the winding structure, so that the plurality of first coils form at least part of the winding structure; each first coil comprises a plurality of first conductors and a plurality of second conductors. Each first conductor is made of a first material, the first material has electrical conductivity; each second conductor is made of a second material, the second material has magnetic conductivity and electrical conductivity, and the electrical conductivity of the second material is smaller than that of the first material. The plurality of first conductors and the plurality of second conductors are arranged in a preset mode, so that the plurality of first conductors and the plurality of second conductors form a first effective part, a second effective part and an end part of the first coil, and the first effective part and the second effective part are arranged in parallel. Through the above arrangement, the magnetic resistance of the winding structure can be reduced, the magnetic resistance of the whole magnetic circuit can be reduced, and the strength of the air gap magnetic field can be improved.

The invention relates to the technical field of integrated circuits, in particular to a laser radar receiving front-end circuit, an optical circuit and a chip, the circuit comprises a total input end, a total output end, an input module, an intermediate module and an output module, the input module comprises a first input end, a first output end, a first power connection end and a first grounding end; the intermediate module comprises a second input end, a second output end, a second power connection end and a second grounding end; the output module comprises a third input end, a third output end, a third power connection end and a third grounding end; the first input end is electrically connected with the total input end, the first output end is electrically connected with the second input end, the first power connection end is electrically connected with the second grounding end, and the first grounding end is grounded; the second output end is electrically connected with the third input end, and the second grounding end is electrically connected with the third grounding end; the third output end is electrically connected with the total output end, and the third power connection end is connected with a power supply. The circuit is low in power consumption and high in current efficiency.

This invention discloses an automatic switching system, method, and drive circuit for an uninterruptible power supply (UPS) in the field of power electronics. It includes a power module for providing electrical energy to the system; a relay switch unit for controlling the switching of mains power input; an accelerated turn-off unit for accelerating the turn-off of the relay switch unit; a circuit switching unit for switching a high-current drive circuit to a low-current drive circuit after a predetermined delay; and a control module for outputting a high-level signal to control the circuit switching unit to switch the high-current drive circuit to accelerate the closing of the relay switch unit, and outputting a low-level signal to control the accelerated turn-off unit to accelerate the turn-off of the relay switch unit. This invention employs a delayed switching drive design and an accelerated turn-off unit, which significantly simplifies the power supply hardware design, reduces the power requirements of the auxiliary power module, and significantly shortens the relay turn-off time, ensuring the stability and reliability of the UPS during the switching process.

The invention relates to a coating device for applying a flowable medium, in particular a hot-melt adhesive, to a substrate, having a coating valve (13) which has a closure mechanism which opens a metering opening of the coating valve in an open position, so that flowable medium can flow through the metering opening towards the substrate, wherein the closure mechanism can be moved from a closed position, in which it closes the metering opening, into the open position by means of an electromagnet of the coating valve (13), and having a main control unit (17), in particular an SPS (programmable logic controller), which is connected to the coating valve (13) and which provides an electrical output voltage signal in order to control the voltage supply of the electromagnet, in particular periodically, which moves the closure mechanism into the open position and holds it there. The invention is characterized in that a modification unit (19) is arranged between the main control unit (17) and the coating valve (13), which is configured such that it receives, modifies and continues to pass on the output voltage signal of the main control unit (17) to the electromagnet in modified form.

The invention discloses a power grid uninterruptible power supply automatic switching system and method and a driving circuit, and belongs to the technical field of power electronics, and the system comprises a power supply module which is used for providing electric energy for the system; the relay switch unit is used for controlling the on-off of commercial power input; the acceleration turn-off unit is used for accelerating turn-off of the relay switch unit; the circuit switching unit is used for switching the large-current driving loop into a small-current driving loop after a preset time is delayed; and the control module is used for outputting a high-level signal to control the circuit switching unit to switch the large-current driving loop to accelerate the closing of the relay switch unit, and outputting a low-level signal to control the acceleration turn-off unit to accelerate the turn-off of the relay switch unit. The delay switching driving design and the acceleration turn-off unit are adopted, the power supply hardware design can be greatly simplified, the power requirement of the auxiliary power supply module is reduced, meanwhile, the turn-off time of the relay is remarkably shortened, and the stability and reliability of the power grid uninterruptible power supply in the switching process are ensured.

Method 300 for detecting a faulty sub-switch having at least one switching element 206 and at least one actuating element 205 and contained in a switching device 100, the method having the steps: a providing 302 a first switch 119.1 comprising at least one first single-pool-side sub-switch 120 and at least one first vehicle-side sub-switch 122, b providing 304 a second switch 119.2 comprising at least one second single-pool-side sub-switch 124 and at least one second vehicle-side sub-switch 126, c connecting 306 in series at least one first single-pool-side sub-switch 120 with at least one first vehicle-side sub-switch 122 with formation of a first center point 208, d connecting 308 in series at least one second single-pool-side sub-switch 124 with at least one second vehicle-side sub-switch 126 with formation of a second center point 210, e checking 310 whether the voltage drops over the sub-switches 120, 122, 124, 126 are identical, f measuring 312.1 and checking 312.2 the voltage difference 116 between the first center point 208 and the second center point 210.

The present invention discloses a power control device and a control method thereof, comprising: a first delay module, a second delay module, a NAND gate, first to third NAND gates, an input end and an output end; the input end is electrically connected to the input of the first delay module and the input of the second delay module through the first NAND gate; the output of the first delay module is electrically connected to one input of the NAND gate, and the output of the second delay module is electrically connected to the other input of the NAND gate through the second NAND gate; the output of the NAND gate is electrically connected to the output end through the third NAND gate; the input end is used to be electrically connected to the refresh control end of the memory, and the output end is used to be electrically connected to the power supply device of the memory to control the start and shut down of the power supply device. A power control device is added between the refresh control end and the power supply device, so that in the self-refresh action cycle, the power supply device only provides power for a part of the time, and the power supply device is shut down in the other part of the time when the self-refresh action is not actually performed, thereby reducing current consumption.

The utility model relates to the technical field of storage battery overdischarge protection, discloses a low-power-consumption storage battery overdischarge protection circuit, and aims to solve the problems of complex structure and high power consumption of an existing overdischarge protection circuit. According to the scheme, the voltage detection circuit mainly comprises a first resistor, a second resistor, a third resistor, a fourth resistor, a fifth resistor, a sixth resistor, a first transistor, a second transistor, a third transistor and a voltage detection chip, and the first resistor, the second resistor and the third resistor are used for sampling the voltage of the storage battery and inputting the sampled voltage to the voltage detection chip. The first transistor is used for achieving on-off control between the power supply input end of the voltage detection chip and the power supply output end of the storage battery, and the second transistor and the third transistor are used for achieving on-off control between the power supply output end of the storage battery and the load power supply end. The power consumption of the over-discharge protection circuit is reduced, the over-discharge protection effect of the storage battery is improved, and the over-discharge protection circuit is suitable for various storage batteries.

Energy saving can be achieved and the thermal risk caused by temperature rise can be reduced. The solenoid drive control device 100 is configured as follows: a solenoid body 22A that attracts a movable iron core 23A, and the solenoid body 22A supports the movable iron core 23A so that the movable iron core 23A can achieve an attraction position where the movable iron core 23A is attracted by the solenoid body 22A and a non-attraction position where the movable iron core 23A is not attracted by the solenoid body 22A. A photo interrupter 28 is provided, which detects the state of the movable iron core 23A; and a current control unit 51 is provided, which controls the supply current to the solenoid body 22A according to the detection result of the photo interrupter 28, so that the drive current Imax is supplied to the solenoid body 22A when the movable iron core 23A is in the non-attraction position or a position near it, and the holding current Ih less than the drive current Imax is supplied to the solenoid body 22A when the movable iron core 23A is in the attraction position or a position near it.

The invention relates to a device and a method for producing ammonia, comprising an ammonia reactor (2) for producing ammonia (NH3) from syngas, where the syngas comprises hydrogen (H2) and nitrogen (N2), further comprising an electrolyser (3) for producing hydrogen and oxygen from water, where the electrolyser (3) is operated with renewable energy, where the electrolyser (3) is connected to the ammonia reactor (2). The device further comprises a gas turbine (7) operated with hydrogen, the exhaust gas of the gas turbine (7) containing nitrogen (N2) being used to produce the synthesis gas.

The present application provides a heating circuit for a battery, a control method therefor, a battery, and an electric vehicle. A battery includes a first battery bank and a second battery bank, and the heating circuit for a battery includes a switch module, a heating module, and a control module. The switch module is connected to each of the first battery bank and the second battery bank. The heating module is connected to each of the first battery bank, the second battery bank, and the switch module. The control module is connected to each of the switch module and the heating module. The control module is configured to control the switch module to switch the battery to a heating state, and is configured to control the heating module when the battery is in the heating state, such that the first battery bank, the heating module, and the second battery bank form a loop. The loop is used to transfer electricity between the first battery bank and the second battery bank, so as to heat the first battery bank and the second battery bank. In this manner, the heating rate of the battery can be increased.

The invention belongs to the field of advanced agricultural sensing, and particularly relates to a multi-channel photoelectrochemical sensing detection device based on LabVIEW. The device comprises a photoelectrochemical sensor, a lower computer and an upper computer, based on the photoelectrochemical sensor, the technical problem of false positive caused by extra voltage required to be applied to a traditional photoelectrochemical sensing system is solved, and high-sensitivity, high-specificity and trace detection is realized; meanwhile, the photoelectrochemical sensor adopts a multi-channel design, so that the problem that only a single pollutant can be detected is solved. The intelligent detection design with the single-chip microcomputer as the core solves the technical problems that a traditional work station is inconvenient to carry and the detection process is tedious. Wireless information transmission can be carried out for detection results, and the technical problem that the detection results can only be displayed through a display screen is solved; and the technical effects of data acquisition, processing and storage are realized in combination with a LabVIEW upper computer. And communication with equipment such as a smart phone and a computer through the Bluetooth module is also realized, and the application prospect is wide.

The invention discloses an IGBT (Insulated Gate Bipolar Translator) device, which comprises a drift region, a well region, a collector region, an emitter region and a plurality of trench gates which are arranged in parallel and longitudinally penetrate through the well region, the arrangement direction of the trench gates is an X direction, and the extension direction of the trench gates is a Y direction. A first conductive type heavily-doped first doped region and a second conductive type heavily-doped second doped region are formed in the surface region of the drift region at the bottom of the well region, both the first doped region and the second doped region extend along the X direction, and the first doped region and the second doped region are alternately arranged along the Y direction to form a first alternate arrangement structure; the first doped region serves as a carrier storage layer, and the second doped region serves as a charge balance layer of the first doped region. According to the invention, the on-state voltage drop of the device can be reduced, so that the on-state loss of the device is reduced, and the performance of the device is not affected.