10results about How to "Efficient power supply" patented technology

The utility model discloses a ship low-carbon power device coupled with wind and light pressure storage. The ship low-carbon power device comprises a photovoltaic power generation device; a wind power generation device; the supercritical carbon dioxide Brayton cycle device comprises a compression structure, an intercooler, a high-pressure storage tank, a reheater, a turbine and a low-pressure storage tank which are sequentially connected to form a carbon dioxide circulation loop. Wherein the number of the reheaters is at least two, and the reheaters comprise the first reheater and the second reheater which are sequentially arranged in the flowing direction of carbon dioxide; the diesel engine is used for supplying power to a power grid on the ship and the compression structure; the output ends of the photovoltaic power generation device and the wind power generation device are respectively connected with the power grid and the compression structure; the first turbine and the second turbine are connected with a power grid; and the second reheater is connected with a flue gas output port of the diesel engine so as to recover waste heat in the flue gas. The ship low-carbon power equipment coupled with wind, light and pressure storage can realize stable supply of ship electric power while reducing carbon and pollution.

The invention discloses a barbecue grill and a barbecue mechanism, and belongs to the technical field of barbecue supplies, the barbecue grill comprises a main machine part and a supporting part, the area between the main machine part and the supporting part forms a barbecue area, the supporting part is used for supporting the root of a barbecue stick, and the main machine part is provided with a barbecue stick tip positioning part, a rotary power transmission part and a rotary power input part; a motor mounting area is further arranged on the supporting part, a transmission shaft mounting hole is formed in the motor mounting area, a driving motor is mounted on the face, back to the barbecue area, of the motor mounting area, and a transmission shaft is mounted in the transmission shaft mounting hole. The barbecuing mechanism comprises a driving motor, a transmission shaft and a grill, one end of the transmission shaft is connected with the driving motor, and the other end of the transmission shaft is connected with the rotary power input part. The driving motor is installed on the face, away from the barbecue area, of the supporting part, so that the driving motor can be closer to an operator, the operator can operate the driving motor more conveniently and does not need to wind to the position of the main machine part for operation, and operation complexity is reduced.

A new energy mobile charging vehicle device disclosed by the present invention comprises a mobile platform, a box-type transformer, a charging pile and a plurality of groups of stabilizing assemblies, the box-type transformer comprises a high-voltage chamber, a transformer chamber and a low-voltage chamber, the high-voltage chamber, the transformer chamber and the low-voltage chamber are all installed at the top of the mobile platform, and the stabilizing assemblies are arranged on the top of the mobile platform. And the two motors are symmetrically mounted on two sides of the mobile platform. Therefore, the stabilizing assembly drives the supporting arm through the hydraulic cylinder, so that the supporting head can stably support the mobile platform, the stability of the overall structure is enhanced, the overall device ensures efficient, safe and stable power supply through reasonable layout, the charging process is efficient and reliable, and stable operation in various environments can be achieved; according to the invention, a user can rapidly realize electric power charging when needed, damage to electric power equipment can be avoided, the service life of the equipment is prolonged, and the convenience and safety of new energy charging service are improved.

The present invention relates to the technical field of flue-cured tobacco planting, in particular to a flue-cured tobacco-rice-green manure rotation planting method and a transplanting device thereof, wherein the planting method specifically comprises the following steps: first, sowing and raising seedlings of flue-cured tobacco, after raising seedlings, using a transplanting device to transplant and plant the flue-cured tobacco seedlings on a field where ridges have been formed, and harvesting tobacco leaves after the flue-cured tobacco matures; secondly, planting late rice after tobacco leaf harvesting, sowing astragalus 20-25 days before late rice harvesting; then, turning over and returning the fields after astragalus is in full bloom in mid-April of the following year, and planting the first-season rice. The present invention is beneficial to increasing the organic matter content of the cultivated layer soil by introducing astragalus, realizing the combination of cultivated land use and maintenance and improved fertilization, improving the fertility of tobacco field soil, and achieving four crops and four harvests in two years through the cyclic planting of flue-cured tobacco, late rice, astragalus and regenerated rice.

The utility model provides an electric heavy truck inverter power supply which comprises a power battery, a pre-charging resistor, a first capacitor and a DC / AC inverter transformation circuit, the power battery is connected with a first relay switch, a fuse and the DC / AC inverter transformation circuit in series to form a main loop, and the DC / AC inverter transformation circuit is connected with the first capacitor in parallel. The pre-charging resistor is connected in series with the second relay switch and then connected in parallel with the first relay switch; the DC / AC inverter transformation circuit is used for converting the high-voltage direct current of the power battery into 220V alternating current; and the power battery, the first capacitor C1 and the DC / AC inverter transformation circuit are integrated in the all-in-one controller. The DC / AC inversion transformation circuit is integrated in the all-in-one controller of the electric heavy truck, a thick cable does not need to be added to a starting battery to take electricity, low-voltage power distribution balance of an original truck is not affected, the risk that the starting battery feeds electricity due to electricity utilization does not exist, and the safety coefficient of the truck is higher.

The invention relates to a BIPV photovoltaic isolation wall energy storage control method, system and device and a medium, and belongs to the technical field of photovoltaic isolation wall energy storage, and the energy storage control method comprises the steps: obtaining the generating capacity data of a photovoltaic module and the charging and discharging state data of an energy storage device; obtaining an energy storage priority index based on the generating capacity data and the charging and discharging state data; acquiring operation state monitoring data of the high-voltage power grid; obtaining a power grid load pressure index based on the operation state monitoring data; inputting the power grid load pressure index and the energy storage priority index into a pre-constructed power supply scheduling model, and generating a scheduling control strategy according to an output result of the power supply scheduling model; and performing scheduling control on the photovoltaic isolation wall system according to the scheduling control strategy, and adjusting the charging and discharging operation of the energy storage device. According to the invention, the discontinuity of photovoltaic power generation and the dynamic change of the power grid load are fully considered, and the safety, stability and reliability of the whole safety protection system are improved through intelligent regulation and control.

The invention provides a method and a system for inspecting the consistency of single storage battery packs of a power system, and the method comprises the steps: carrying out the AC impedance test of a to-be-tested battery, and obtaining the ohm internal resistance value of the battery through fitting analysis; calculating the local reachable density of the battery ohm internal resistance value composition sample by using a local abnormal factor algorithm; and determining a local abnormal factor according to the determined local reachable density, and outputting a result, thereby performing consistency evaluation on the sample. According to the method, the technical problems that the current available capacity and residual life of the storage battery cannot be accurately evaluated by adopting time domain data, regular capacity checking operation is still needed, and the accuracy and effectiveness of storage battery evaluation are low are solved.

The application discloses a transmission device for power communication and relates to the field of cable bridges, which comprises a plurality of groove type bridges, the groove type bridges are connected with each other through connecting assemblies, mounting top plates are arranged on the top surfaces of the groove type bridges, wire laying plates are arranged at the inner bottoms of the groove type bridges, wire pressing assemblies and condensing assemblies are mounted on the mounting top plates, a plurality of air vents are formed in the two side surfaces of the groove type bridges, the two side interiors of the groove type bridges are hollow, and closing assemblies are mounted in the two side interiors of the groove type bridges. In the application, the connecting assemblies, the wire pressing assemblies, the condensing assemblies and the closing assemblies are matched, finally, the problems, such as insufficient heat dissipation protection of traditional bridges, moisture air intrusion into the bridges in humid and cold areas, and damage of water vapor to wire rods and bridge components, are solved, and the installation efficiency, cable operation stability and safety of the power communication transmission device are improved.

The invention relates to the technical field of power supply, and discloses a power supply module, which comprises an input unit, a power conversion power supply and an output unit, the input unit is used for filtering and rectifying alternating current of a first external voltage level and outputting direct current of the first voltage level; the power supply conversion unit is connected with the input unit and is used for converting the input direct current of the first voltage level into direct current of different voltage levels suitable for working of the CPS controller; and the output unit is connected with the power supply conversion unit and is used for respectively filtering the direct current of different voltage levels and outputting the filtered direct current of different voltage levels. Through multi-stage filtering and direct current output of different voltage levels, high-stability output of the power supply module can be ensured, and meanwhile, the requirement of each module in the CPS controller for voltage can be met.

The utility model relates to a kind of heat pump water heater power supply control circuit, belong to heat pump control technical field.Through respectively adopting commercial power rectification, PFC and boost module and photovoltaic drive and photovoltaic boost module, so that two power supply can be adjusted to the required voltage of DC bus synchronously.In addition, by measuring output voltage and adjusting the proportion of output voltage and open-circuit voltage, efficient cooperation and stable power supply between power supply are realized, and then power supply for compressor using photovoltaic is realized.