18results about How to "Guaranteed output power" patented technology

The invention discloses a networked photovoltaic power generation energy storage system, relates to the technical field of photovoltaic energy storage, and is used for charging control of a rechargeable battery, overcurrent protection during charging control of the rechargeable battery and automatic voltage stabilization through a feedback pin. The demodulator is used for transmitting demodulated data to the charging controller for processing; the control module is used for controlling the voltage regulation precision and the voltage regulation range of the voltage regulation module, processing a receiving power request fed back by the demodulation module in time, and outputting a control signal to the voltage regulation module according to requirements, so as to realize multi-gear voltage precise regulation; the load power detection module and the load voltage and current detection circuit are additionally arranged at the load, the load power and the voltage and current are uploaded to the monitoring system, it is ensured that the output of the inverter does not exceed the limit value, then the output power of the photovoltaic power supply is ensured, countercurrent is effectively avoided, and energy is saved.

The utility model discloses an optical fiber coupling device, and relates to the technical field of optical fiber coupling, the optical fiber coupling device comprises a pedestal, a material storage assembly, a coupling structure and a carrying assembly, and a coupling station and a material storage station are arranged along the length direction of the pedestal; the material storage assembly is arranged at the material storage station and comprises a plurality of coupling material trays and a stacking piece, the coupling material trays are used for fixing the optical fibers, the mode stripper and the collimator, and the stacking piece is used for automatically stacking the coupling material trays; the coupling structure is arranged at the coupling station and comprises a positioning tool piece, a bare fiber adapter and an adjusting piece, the positioning tool piece is used for fixing the coupling tray, and the bare fiber adapter is used for fixing one end of the optical fiber so as to output a light source to the optical fiber and the mode stripper. According to the technical scheme of the utility model, through the arrangement of related structures, the adjustment of the coupling position of each material in the optical fiber coupling process can be realized, the automation degree is high, and the inspection efficiency can be effectively improved while the coupling precision is fully ensured.

The invention discloses air purification equipment for efficient photocatalytic degradation of volatile organic compounds in the technical field of air purification, which comprises a shell, a controller is embedded in the top end of the shell, an air inlet cavity and an air outlet cavity are formed in the shell from bottom to top, an air inlet and an air outlet are formed in the surface of the shell, and concentration sensors are mounted on the inner walls of the air inlet and the air outlet. A catalytic channel is arranged in the shell, a plurality of ultraviolet lamps are installed on the inner wall of the catalytic channel, a visible light assembly is installed on the top of the shell, a filtering assembly is installed in the air outlet cavity, an air inlet fan is installed in the air inlet cavity, and a driving assembly is installed in the shell. And the controller is used for receiving the indoor light intensity data and the harmful gas concentration data, performing linkage analysis on the two data and adjusting output parameters of the ultraviolet lamp. According to the invention, the output power of the ultraviolet lamp is automatically and conveniently adjusted according to the harmful gas concentration and the indoor light intensity, so that the real-time purification rate of the equipment is controlled, and the energy consumption is reduced while the air is effectively purified.

The invention discloses an ordered charging control system and method based on network communication, and belongs to the technical field of ordered charging control. The method comprises the steps of obtaining charging pile operation data in a station, power utilization data in the station and station output power threshold data, and calculating total controllable power P, direct current charging pile controllable power M and alternating current charging pile controllable power N; the operation data of the charging pile in the station comprises the current output power P1 of the charging pile and the output power P2 of the charging pile; when the current output power P1 of the charging pile is larger than the output power P2 of the charging pile, the power is limited; when the current output power P1 of the charging pile is smaller than or equal to the output power P2 of the charging pile, the power is released; and based on the size relation between the total controllable power P and the sum of the direct current charging pile controllable power M and the alternating current charging pile controllable power N, respectively determining the output power of each charging pile under different working conditions when the power is released and the power is limited.

A brake control device and method with output voltage ramp start, which relates to the field of elevator control, includes a first rectifier filter circuit, a switch power supply, a brake power supply control relay, a brake voltage control circuit, a second rectifier filter circuit, a chopper output circuit, an output filter circuit, an output voltage acquisition circuit and an output current acquisition circuit. The brake power supply control relay adopts two safety relays to control the neutral line and the live line of the mains input respectively. The feedback contact signal of the safety relay is output to the input end of the elevator main control board to ensure that when the relay contact is fused, the elevator main control board can report the elevator fault and stop running to ensure the safety of the elevator operation; the chopper output circuit and the output filter circuit effectively ensure the output power of the brake power supply, which can increase the rated output power of the original component and improve the power of the entire brake voltage output. The output voltage acquisition circuit adopts a resistor voltage divider, and the output current acquisition circuit adopts a milliohm resistor for sampling.

The present invention relates to the field of power supply and heating, and provides a gas power generation and heating equipment and a control method thereof, comprising a gas generator set, a first water pipe, a heat exchanger, and a second water pipe connected in sequence to form a first loop, wherein the first loop circulates the jacket water of the gas generator set; the electric heater, a third water pipe, a heat exchanger, and a fourth water pipe are connected in sequence to form a second loop, wherein the second loop circulates heating water for residents; the absolute value of the length difference between the third water pipe and the fourth water pipe is less than 10% of the length of the third water pipe; when the water temperature at the electric heater is less than a second preset threshold value, the electric heater is used to heat the heating water; and the electric power of the electric heater is provided by the gas generator set. The above scheme can improve the heating efficiency.

The invention discloses a heating mold and application of a hot forming process thereof.The mold comprises a workbench, a water cooling plate, a lower mold assembly and an upper mold assembly, the workbench is arranged on a machining equipment platform, the lower mold assembly is arranged on the machining equipment platform, and the upper mold assembly is arranged on the lower mold assembly; the water cooling plate is arranged on the upper die assembly, and the top of the water cooling plate is connected with a machining equipment sliding block. The die is suitable for common press equipment, complex transformation and addition of a water cooling system are not needed, the common press equipment and the hot forming die are isolated, and the equipment is prevented from being damaged by high temperature. The mold adopts the mica plate for heat preservation and heat insulation, rapid loss of temperature is avoided, the temperature stability of the mold can be guaranteed, and then the machining effect is guaranteed. Temperature field finite element analysis can be carried out according to ANSYS, repeated iteration adjustment is carried out, the temperature of a temperature control area is determined, and it is guaranteed that the temperature of all molded surfaces meets the process requirement.

The present application relates to gas power generation and solar heat utilization technical field, disclose a kind of gas-light heat complementary power generation and CO2 capture collaborative control system and method, including light heat collection and power generation unit, heat storage unit, gas power generation unit, carbon dioxide capture unit and collaborative control system.Light heat collection and power generation unit converges solar radiation energy;Heat storage unit stores and releases heat energy;Gas power generation unit exports high-temperature flue gas and steam;Carbon dioxide capture unit utilizes reboiler to capture carbon dioxide in flue gas.The present application adjusts heat exchange device and low-pressure steam extraction valve by collaborative control system, so that reboiler receives the heat energy released by heat storage unit and the steam heat energy extracted by gas power generation unit.The present application utilizes heat storage unit to relieve light heat resource fluctuation, realizes the flexible switching and complement of carbon dioxide capture heat source between solar energy and gas waste heat, guarantees the continuity of capture process, reduces the influence of capture energy consumption on gas unit power generation power.

The utility model discloses a packaging adhesive film and a photovoltaic module. The packaging adhesive film comprises a wavelength conversion layer and an ultraviolet cut-off layer, when the packaging adhesive film is used for packaging the battery piece, the wavelength conversion layer is attached to the panel, the ultraviolet cut-off layer is attached to the battery piece, and the wavelength conversion layer can convert ultraviolet light with the wavelength smaller than 380 nm into visible light and infrared light with the wavelength of 380-1200 nm. The photovoltaic module comprises a battery piece and the packaging adhesive film, and the packaging adhesive film is used for packaging the battery piece. According to the packaging adhesive film, most of ultraviolet rays are converted into visible light or infrared light through the wavelength conversion layer, then residual ultraviolet light is absorbed and cut off through the ultraviolet cut-off layer, and the ultraviolet absorbent only absorbs light of an ultraviolet band, so that the packaging adhesive film has no influence on the visible light and the infrared light, the performance of a photovoltaic module can be guaranteed, and the service life of the photovoltaic module is prolonged. And the output power of the photovoltaic module can be ensured, and the stability and reliability of the photovoltaic module are improved.

The invention designs an ammonia hydrogen rotor machine based on passive pre-combustion chamber jet ignition and a control method, belongs to the field of internal combustion engines, and particularly relates to an ammonia gas storage tank connected with an ammonia nozzle through an ammonia gas pressure reducing valve, a hydrogen storage tank connected with the ammonia nozzle through a hydrogen pressure reducing valve, and an ammonia hydrogen nozzle arranged in a gas inlet channel. A jet flow spraying hole is formed in the passive pre-combustion chamber and communicates with the main combustion chamber, and the spark plug is arranged in the passive pre-combustion chamber to ignite the ammonia-hydrogen-air mixed gas. By means of cooperative control over the ammonia-hydrogen fuel proportion, regulation and control over the reaction activity of mixed gas in a cylinder are achieved, abnormal combustion is inhibited through the low reaction activity of ammonia, and therefore the power density of a rotor machine is improved; the passive pre-combustion chamber is arranged and jet ignition is combined, so that the ignition stability of low-temperature mixed gas is guaranteed, the turbulent combustion process is accelerated, and the combustion stability and heat efficiency of the rotor machine are improved.

The present invention discloses a radio frequency power amplifier for vehicle networking communication, comprising an input four-way differential phase shift distribution and bias network, a first differential double-stacked amplifier, a second differential double-stacked amplifier, a third differential double-stacked amplifier, a fourth differential double-stacked amplifier, an inter-stage four-way differential matching and bias network, and an output four-way differential phase shift synthesis and bias network. The core architecture of the present invention adopts the high power and high gain characteristics of the double-stacked amplification network composed of field effect tubes in the radio frequency microwave band, and at the same time utilizes the good parasitic parameter suppression of the differential amplifier in the microwave frequency band, combined with the good power back-off efficiency characteristics of the double-stage Doherty drive amplification structure, so that the entire power amplifier obtains good high gain, high back-off efficiency and high power output capability.

The embodiment of the utility model discloses a power control double-path switching circuit for a double-path output power supply power supply and a power supply. The circuit comprises an optocoupler PC1A, a resistor R1, an optocoupler PC1B, a resistor R2, a resistor R3, a reference chip U1, a resistor R4 and a DCDC chip U2. An anode of the optocoupler PC1A is connected with VOUT1 + of the first output, one end of the resistor R2, a power input end Vin and an input pin VIN of the DCDC chip U2, and the other end of the resistor R2 is connected with one end of the resistor R1 and a reference electrode of the reference chip U1. According to the utility model, the second output is adjusted in a real-time feedback mode, the power of the second output is reduced when the power of the main output is too large in the first output and the second output, the output power of the first output is ensured, the reliable operation of the main output is realized, and the self-adaptive power distribution is realized by the two outputs. And falling or turn-off during transient power change of the main circuit is avoided.

The utility model discloses a tablet personal computer structure with four groups of loudspeakers, which comprises a frame and a support, four sound outlets are arranged on the frame, a first flat cable is electrically connected onto the frame, the frame is sleeved on the outer side of the support, a circuit board is mounted on the support, the first flat cable is electrically connected with the circuit board, four mounting grooves are arranged on the support, and the four mounting grooves are communicated with the first flat cable. A second flat cable is arranged in the mounting groove, the second flat cable is electrically connected with the circuit board, an audio mechanism is mounted in the mounting groove and comprises a loudspeaker and a contact block, the loudspeaker and the contact block are both connected with the mounting groove, the loudspeaker is electrically connected with the circuit board, the contact block is electrically contacted with the second flat cable, one end of the contact block penetrates through the sound outlet, and the other end of the contact block is electrically connected with the circuit board. A first frame amount is arranged between the contact block and the sound outlet. According to the tablet computer structure with the four groups of loudspeakers, the loudspeakers shielded by the hands of a user are turned off, and meanwhile, the audio output function of the loudspeakers which are not shielded is kept, so that the overall sound effect quality of equipment is guaranteed.

The invention relates to the technical field of semiconductor lasers, in particular to an external cavity grating ring-added ultra-narrow linewidth laser, which comprises a laser gain chip; the low-light-energy-loss BRAGG grating optical waveguide is arranged on the right side of the laser gain chip and is in coupling butt joint with the laser gain chip; the low-light-energy-loss annular resonant optical waveguide is arranged on the front side of the low-light-energy-loss BRAGG grating optical waveguide; the left end of the laser gain chip is provided with a high reflection (HR) film, and the right end of the laser gain chip is provided with an anti-reflection (AR) film. According to the invention, a laser architecture design is formed by three units of a laser gain chip, a low-light-energy-loss BRAGG grating optical waveguide and a low-light-energy-loss annular resonant optical waveguide, and a filtering and ultra-narrow linewidth feedback structure unit is formed by close-range coupling of the low-light-energy-loss BRAGG grating optical waveguide and the low-light-energy-loss annular resonant optical waveguide.

The backboard comprises a body, an installation part and a fixing part, the installation part and the fixing part are arranged on the two opposite sides of the body respectively, an installation groove used for installing a battery module is formed in the installation part, and the depth of the installation groove is smaller than or equal to the thickness of the battery module. According to the technical scheme, the technical problems that a traditional photovoltaic module is too large in body weight, single in use scene and prone to generating a hot spot effect due to the fact that accumulated dust is blocked are effectively solved.

The present invention relates to a solar cell assembly and a method for using the same, as well as a power station. The solar cell assembly includes: a first edge, a second edge opposite to the first edge, a positive electrode and a negative electrode respectively arranged near the first edge and near the second edge, a battery array including a first battery group near the first edge and a second battery group near the second edge and connected in series with the first battery group, a first junction box connected in parallel with the first battery group, and a second junction box connected in parallel with the second battery group. The first junction box includes a first positive electrode connection terminal and a first negative electrode connection terminal, the second junction box includes a second positive electrode connection terminal and a second negative electrode connection terminal, a positive electrode connector is connected to the first positive electrode connection terminal or the second positive electrode connection terminal, and a negative electrode connector is connected to the first negative electrode connection terminal or the second negative electrode connection terminal, so as to avoid the abnormal operation of the first battery group or the second battery group causing the junction box or the solar cell assembly to burn out, thereby ensuring the output power of the solar cell assembly.

This invention discloses a scalable power very low frequency (VLF) transmitter device and its control method. It consists of multiple individual cabinets, with multiple units sharing a single main control system, facilitating expansion and allowing for power level adjustments, improved waveform quality, and reduced output waveform harmonics. The input terminals of multiple individual power cabinets can be connected in parallel to DC or AC power supplies, and the output terminals are connected in series to the load. Each cabinet includes a switching module, a voltage conversion module, an adjustable voltage module, multiple switching signal modules, multiple multi-tap high-frequency transformers, and a corresponding number of bypass switches. The unique design of the switching signal modules facilitates online expansion and replacement. The high-frequency transformers are multi-tap high-frequency transformers; adjusting the tap positions allows for graded adjustable output voltage after multiple units are connected in parallel. The main control system includes a command control unit, a stepped waveform generation and expansion unit, a storage unit, and a communication unit. The main control system can multiply the comparison value and pulse quantity based on the individual unit comparison value using interpolation methods to provide pulse signals to the switching signal modules.

The invention provides an output control method and device, a controller and an inverter, and is applied to the controller of the inverter, the method comprises the steps that a power generation plan is received and stored, and the power generation plan comprises a plurality of output control values and a starting moment for executing power control; if an adjacent moment before a target moment is reached, a storage address of a target output control value is determined based on the starting moment and the target moment, the target moment is an execution moment corresponding to the target output control value, and the target output control value belongs to the multiple output control values; querying the target output control value based on the storage address; and when the target moment is reached, outputting corresponding output power based on the target output control value. According to the method, the control efficiency of the output power can be improved.