36results about How to "Avoid power loss" patented technology

This utility model discloses an EHC control system, including a power supply, an EHC heating wire, and a controller. The positive terminal of the power supply is connected to one end of the EHC heating wire, and the negative terminal of the power supply and the other end of the EHC heating wire are grounded, forming a power circuit for the EHC heating wire. It also includes a switching component, which is connected in series across the two ends of the EHC heating wire and connected to both the power supply and the controller. The switching component controls the on / off state of the power circuit of the EHC heating wire. This solution, by using a switching component between the power circuit and the controller, effectively avoids short circuits caused by component damage without affecting circuit operation. Furthermore, the structure is simple, requiring no additional modules, and effectively protects the circuit at a very low cost.

This invention belongs to the field of pharmaceutical wastewater treatment technology, and particularly relates to an ultrasonic-coupled electrochemical pretreatment device and method for high-concentration antibiotic production wastewater. The device consists of an ultrasonic treatment first reactor, an electrochemical second reactor, and a flocculation sedimentation third reactor connected in series via pipelines. The first reactor is equipped with a wall-mounted ultrasonic transducer; the second reactor contains a stabilizing electrode and a sacrificial electrode, and multiple disc aerators are installed at the bottom; the third reactor contains an overflow trough, inclined tube packing, and an electromagnet. This invention can achieve efficient desorption and mineralization degradation of adsorbed antibiotics in suspended solids in production wastewater, reduce antibiotic and degradation product residues in flocs, and eliminate toxic effects on subsequent biological treatment processes.

This application discloses a control method, device, equipment, and storage medium for an on-board electrical system, belonging to the field of vehicle control technology. The control method for the on-board electrical system includes: after the vehicle enters a sleep state, acquiring the static current in the vehicle's on-board electrical system based on a first duration of the sleep state; comparing the static current with a set value and detecting abnormal current in the static current based on the comparison result; if the abnormal current meets a reset condition, performing a power cycle reset operation on the load circuit of the load device corresponding to the abnormal current in the on-board electrical system. By performing a power cycle reset operation when the abnormal current in the static current meets the reset condition, this application can monitor the operating status of each load device in the on-board electrical system after the vehicle enters a sleep state, preventing the vehicle's battery from entering a depleted state and helping to ensure energy safety when the vehicle is in a sleep state.

The utility model relates to the field of dimming drive circuits, and particularly discloses an LED analog-digital hybrid dimming drive circuit, which comprises an MCU controller and a dimming drive chip, the low-side output end of the dimming drive chip is electrically connected with a power switch element, the power switch element is electrically connected with the negative electrode of an LED lamp through an inductance element, and the power switch element is electrically connected with the negative electrode of the LED lamp through the inductance element. The PWM output end of the MCU controller outputs digital signals to the PWM input end of the dimming driving chip, a digital-to-analog conversion integrating circuit is arranged between the IO output end of the MCU controller and the ADJ input end of the dimming driving chip, and the IO output end of the MCU controller outputs digital signals to the digital-to-analog conversion integrating circuit. The digital-to-analog conversion integrating circuit converts the digital signal into an analog signal and transmits the analog signal to the ADJ input end of the dimming driving chip.

This invention relates to the field of motor technology and discloses a high-power-density permanent magnet motor for unmanned aerial vehicles (UAVs). The motor includes a stator with a winding section and a frequency conversion section. The winding section is arranged in a ring array around the center of the stator, allowing for different coil combinations on a single winding. The winding section includes slots A, B, and C. Slot A is located on the inner wall of the stator, while slots B and C are located on the stator itself. The inner wall of the stator also has inlet holes A, B, and C. Inlet holes A and B communicate with slot A, and inlet holes B and B communicate with slot B. The motor employs a wide-range speed control to adapt to UAV operating conditions, featuring a six-speed adjustment function. The rated speed ranges from 8 r / min (8 Hz) to 48 r / min (48 Hz), and the speed ratio can reach 1:8 during weak field operation. This allows for precise matching of the power requirements of different stages of UAV operation, such as takeoff, cruise, and high-speed flight, achieving full operating condition coverage without motor replacement.

The utility model relates to the technical field of electric bicycle accessories, in particular to a damping supporting assembly of a folding electric bicycle. According to the technical scheme, the device comprises a top cover and a limiting mechanism arranged at the bottom end of the top cover, the limiting mechanism comprises a limiting seat fixedly connected to the bottom end of the top cover, a rotating ring is arranged on the outer wall of the limiting seat in a limiting rotation mode, a plurality of telescopic rods are fixedly connected to the bottom end of the rotating ring, and fixing rings penetrate through the bottom ends of the telescopic rods; a damping mechanism is arranged at the bottom end of the fixing ring, a connecting mechanism is arranged at the top end of the top cover, the damping mechanism comprises a piston rod fixed to the bottom end of the fixing ring, and the outer wall of the piston rod is sleeved with a damping spring. The damping supporting assembly of the folding type electric bicycle has the advantages that it is guaranteed that power is efficiently transmitted to the damping supporting assembly and the wheels from the bicycle frame, power loss caused by loosening of parts is avoided, and convenience is brought to folding and using of a user.

The present application relates to the technical field of new energy vehicles, in particular to a vehicle low-voltage power supply system and an electric vehicle. The present application comprises a storage battery and a DC / DC, one end of the DC / DC is used for connecting a power battery, the other end is connected with the storage battery and a low-voltage load, and is used for charging the storage battery and supplying power to the low-voltage load. The storage battery is connected with emergency loads and 24-hour constant power equipment through a low-voltage power supply circuit. If the power battery and the DC / DC are normal, the DC / DC converts high-voltage direct current of the power battery into low-voltage direct current to supply power to the low-voltage load. If the power battery or the DC / DC fails, the storage battery supplies power to the emergency loads and the 24-hour constant power equipment. The present application not only ensures normal power supply to the emergency loads and the 24-hour constant power equipment of the vehicle, guarantees the stability and reliability of the low-voltage power supply of the vehicle, but also has low system cost and simple structure.

The present disclosure provides a power supply circuit, a power supply, a vehicle, a control method and a storage medium, the power supply circuit comprising an energy storage capacitor, a switch assembly and a power battery pack assembly; wherein when the vehicle is powered off, the second end of the switch assembly and the second end of the power battery pack assembly are in an attracted state, and the third end of the switch assembly and the first end of the vehicle controller are in a disconnected state; and when the vehicle is powered on, the second end of the switch assembly and the second end of the power battery pack assembly are in a disconnected state, and the third end of the switch assembly and the first end of the vehicle controller are in an attracted state. The power supply circuit of the present disclosure can effectively avoid the battery depletion caused by the long-term parking of the vehicle, and at the same time, the adverse phenomenon of the sulfurization reaction of the battery does not occur, ensuring the safety in use.

The present disclosure relates to the technical field of centrifugal pump matching tool, and provides a leakage-proof sealing device for centrifugal pump installation, which comprises an outer sleeve, an inner sleeve arranged in the inner part of the outer sleeve, a sealing assembly arranged in the inner part of the outer sleeve, and a lateral connecting assembly arranged on the lateral wall of the outer sleeve and the inner sleeve; a rotating wheel is sleeved on the connecting shaft, and the rotating wheel is in close contact with the inner part of the inner cavity. Through the above technical scheme, the problem that the sealing material is easily worn out due to the continuous friction between the pump shaft and the shaft seal material during high-speed rotation in the prior art, thereby reducing the sealing performance and causing the liquid to leak from the gap between the shaft and the pump shell is solved. The traditional packing seal often uses materials such as graphite wire and hemp rope. When these materials are used to face the high-speed rotating pump shaft, the wear rate is extremely fast, not only frequent maintenance and replacement are required, but also the liquid leakage is difficult to effectively prevent, and there is also the technical problem of environmental pollution.

The utility model discloses a cooling mechanism of gasoline engine water pump, including mounting bracket still include: handle is provided with two groups, two groups handle respectively set up in one side of mounting bracket, the upper end of mounting bracket all is fixedly connected with a plurality of connecting frame, a plurality of the upper end fixedly connected with water tank of connecting frame, the outer periphery fixedly connected with the protection board of water tank, cooling assembly, fixedly set up in the bottom of water tank, is used for the cooling of gasoline engine water pump operation to it. In the utility model, the atomizing sheet in the water spray pipe disperses water into water mist, compared with traditional air cooling, its latent heat of vaporization is big, can take away the engine surface heat, in high temperature environment, avoid the power drop and the part wear and tear because of overheating, the continuous water circulation prevents the temperature rise, the water circulation system of motor drive, ensure that the heat dissipation medium temperature is lower than the engine temperature.

The invention relates to the technical field of radio frequency microwave circuits, and provides a millimeter wave coaxial radial three-path power synthesis amplifier, a three-path power divider circuit comprises a first coaxial line and three first circuit units, and a three-path power combiner circuit comprises a second coaxial line and three second circuit units. The number of the rectangular waveguide connection conversion circuits is the same as that of the second circuit units, the positions of the rectangular waveguide connection conversion circuits and the positions of the second circuit units are in one-to-one correspondence, and each rectangular waveguide connection conversion circuit is correspondingly connected with one first circuit unit and one second circuit unit and used for achieving signal transition transmission between the two circuit units; the power amplifier chip is directly arranged on the second circuit unit, amplified signals do not need to be converted through an additional guided wave structure, three paths of power are directly synthesized, and the technical indexes of higher synthesis efficiency and larger synthesis output power can be obtained; and the power loss caused by synthesis only by structure conversion after output of the amplifier in the prior art is avoided.

The utility model provides a piston with prevent leaking structure belongs to piston technical field, including piston body, is equipped with two groups of piston ring grooves on the piston body, is equipped with first piston ring and second piston ring respectively in two groups of piston ring grooves, is equipped with accommodating cavity in first piston ring, is equipped with support tendon in accommodating cavity, is equipped with spiral flow guide channel and supplementary chamber in second piston ring, spiral flow guide channel and supplementary chamber intercommunication, there is auxiliary piece between first piston ring and second piston ring, auxiliary piece and piston body slidingly connected, is equipped with fixed sheet below second piston ring, fixed sheet and piston body fixed connection, fixed sheet and auxiliary piece one side all are equipped with apron. The device sets up two groups of piston ring grooves on the piston body, and installs first piston ring and second piston ring respectively among them, so that the user can cope with the problem of the heat expansion of the part and the change of the sealing gap caused by the high temperature of the engine, and the sealing stability of the device is improved.

The application discloses a power control method, device and equipment of a vehicle and a storage medium, and belongs to the technical field of vehicle control. The method comprises the following steps: acquiring the SOC of a power battery of the vehicle, wherein the SOC of the power battery is the percentage of the remaining power of the power battery in the total power; acquiring the power control mode of the vehicle, wherein the power control mode comprises a default mode, a long-distance driving mode, an energy-saving mode or a charging mode; determining the working state of the engine of the vehicle according to the SOC of the power battery and the power control mode, wherein the working state of the engine comprises that the engine performs power compensation or the engine stops power compensation; and determining whether the power battery is compensated by the engine and how the power battery is compensated by the engine according to the SOC of the power battery and the power control mode. The fuel economy is ensured while the power of the hybrid vehicle is ensured, the power of the power battery is kept in a normal range, and the vehicle is prevented from being powered off.

The utility model discloses a maglev train storage battery charging and discharging control system, and relates to the field of maglev train storage battery control. According to the utility model, the storage battery power supply emergency load is subdivided into the critical load and the non-critical load, and after the storage battery has low capacity or low voltage, the non-critical load and the critical load can be cut off in sequence according to program judgment, thereby ensuring that the storage battery only has lowest consumption under the condition of lower capacity, prolonging the service time, indirectly protecting the battery, and improving the safety of the storage battery. The service life is prolonged.

This application discloses a method, apparatus, device, and storage medium for controlling a storage battery, belonging to the field of vehicle control technology. The method includes: acquiring a first detection result indicating whether the vehicle is in a static parking state; based on the first detection result indicating the vehicle is in a static parking state, acquiring the current value of the vehicle's battery at a reference frequency; a control area control unit (ZCU) acquiring the minimum current value among the current values ​​acquired within a first reference time period; based on the minimum current value being greater than a first reference threshold, incrementing a reference value by one, the reference value being used for statistical analysis of whether the current value is greater than the first reference threshold; and based on the reference value being greater than a second reference threshold, controlling the ZCU to put the vehicle network and controller into a reference power consumption state. By detecting the magnitude of the battery's static current, the loss of battery power is controlled, thereby preventing battery depletion.

A power generation and injection lock-in combining system and adjustment method are disclosed, belonging to the field of radio frequency and microwave power technology. The power generation and injection lock-in combining system includes an external signal source, N power units, a power combining network, and a dynamic adjustment module. The external signal source is connected to the output terminals of the N power units, providing a unified reference signal and injecting the reference signal into each power unit. The power combining network is connected to the output terminals of the N power units, superimposing the output signals of the N power units into a single signal. One part of this signal is used as a high-power output, and the other part is sent to the dynamic adjustment module through a directional coupler. The dynamic adjustment module performs real-time detection of the output of the power combining network through the directional coupler and the outputs of the N power units through the directional coupler, and adjusts the power and phase of each power unit according to the real-time detected power and phase to ensure that the power and phase of each power unit are consistent.

This application discloses an integrated coupled inductor, relating to the field of inductor technology. The integrated coupled inductor of this application includes a first iron core, a second iron core, and a core cover stacked together. A first coil is disposed between the first and second iron cores, and a second coil is disposed between the second iron core and the core cover. The integrated coupled inductor of this application allows the stacked first and second iron cores and the core cover to be combined into a single structure, effectively reducing the volume of the coupled inductor. Simultaneously, the first and second coils are respectively disposed on opposite sides of the second iron core, effectively eliminating interference between the first and second coils and preventing additional power loss and signal crosstalk in the coupled inductor.

The utility model discloses a double-control fan speed regulation system and an automobile crane, the double-control fan speed regulation system comprises a fan motor, a hydraulic pump and a pressure control assembly, the hydraulic pump is arranged to be a constant pressure variable pump with output pressure changing in proportion, and the hydraulic pump comprises a pump body and a flow control assembly, the pump body is used for pumping hydraulic oil to the fan motor and provided with a swash plate capable of adjusting output flow, the flow control assembly comprises a variable piston and a flow adjusting valve, the variable piston is used for driving the swash plate, one cavity of the variable piston is communicated with an outlet of the pump body through a flow control oil way, and the flow adjusting valve is arranged on the flow control oil way. The pressure control assembly comprises a proportional pressure reducing valve, the proportional pressure reducing valve is used for adjusting the input oil pressure of the fan motor, and compared with an existing scheme, the dual-control fan speed regulating system can more accurately meet the load requirement, and power loss caused by a high-pressure overflow mode is avoided.

The utility model discloses a multi-mode low-medium frequency noise reduction silencer. Noise reduction of an exhaust system is achieved mainly through multi-stage cooperation of an expansion cavity, a Helmholtz cavity and an elastic damper. During working, most airflow enters the third cavity through the air inlet main pipe, and a small part of airflow enters the second cavity through the air inlet bypass pipe, so that the airflow of the air inlet main pipe enters an expansion cavity formed by the second cavity and the third cavity, and meanwhile, part of sound enters the first cavity through the air inlet bypass pipe; therefore, the first cavity forms a Helmholtz resonant cavity; secondly, after entering an expansion cavity composed of a second cavity and a third cavity, the airflow pushes away an elastic damper through the airflow and then enters a middle reducer pipe, after passing through the middle reducer pipe, part of the high-frequency airflow enters a fourth cavity through a third micropore structure of the middle reducer pipe, noise of the high-frequency airflow is absorbed through silencing cotton, and the noise of the high-frequency airflow is reduced; and part of the air flow enters the fifth chamber, enters the air outlet pipe through the fifth chamber, passes through the transition pipe through the air outlet pipe and finally flows out of the bag eliminating body.

The application relates to the technical field of hydrogen energy automobile safety monitoring, and particularly discloses a vehicle-mounted hydrogen leakage low-power-consumption detection method and a monitoring device. When a vehicle key switch is located at an ON position, hydrogen leakage and sensor state are continuously monitored; when the vehicle key switch is not located at the ON position, a controller first performs hydrogen leakage detection and sensor state detection once, and then enters a cycle of'sleeping - timing self-awakening single detection - sleeping again', so that the power consumption is significantly reduced. The controller stores information of each detection, and covers previously stored information. When a driver starts the vehicle, the controller is awakened, if the latest stored dangerous information is not empty, the vehicle is prohibited from starting through CAN messages and an alarm is given, and the awakening is kept until the danger is removed. The application realizes hydrogen safety monitoring of a hydrogen energy vehicle key switch during a period when the key switch is not located at the ON position through a low-power-consumption hydrogen leakage monitoring device.

This invention discloses a multi-voltage power supply management and control method for mine environmental monitoring, relating to the field of mine power management technology. The method uses a PLC controller to synchronously collect data from the main power supply, backup power supply, auxiliary power supply, transformer, battery management system, and mine environmental parameters. These environmental parameters include at least methane concentration, smoke concentration, temperature, humidity, water level, and ventilation status. Based on the collected data, an environmental risk index and a power demand index are constructed, and the operating status is classified into normal, warning, emergency, and critical levels. This allows for optimal switching between the main, backup, and auxiliary power supply paths. This method enables coordinated control of mine environmental risks and power management, reduces switching impact, ensures continuous online operation of mine monitoring, communication, alarm, and interlocking links, and improves the safety and continuity of mine power supply.

This invention discloses a control method for a multi-source power supply system, the multi-source power supply system, and an energy storage container. When the output power of the photovoltaic power supply system is sufficient to provide the load power, the photovoltaic power supply system supplies power to the load and uses the remaining power to charge the energy storage system. When the output power of the photovoltaic power supply system is insufficient and the mains power is normal, the mains power supply system assists in supplying power to the load and charging the energy storage system. When the output power of the photovoltaic power supply system is insufficient and the mains power is abnormal, if the state of charge of the energy storage system is not lower than a first preset threshold, the energy storage system discharges to assist in supplying power; otherwise, the diesel generator power supply system is activated to simultaneously supply power to the load and charge the energy storage system. Prioritizing the use of the photovoltaic power supply system for both power supply and charging, and directly replenishing the energy storage system when it is depleted, avoids energy storage system depletion, ensures uninterrupted power supply to the load, and prioritizes the absorption of the output power of the photovoltaic power supply system, thereby improving the system's power supply reliability and energy utilization efficiency.

The utility model provides a kind of freight goods lifting device, belong to goods lifting technical field, including lifting mechanism, including several provide lifting power air cylinder, fixed mounting in several air cylinder output end's connecting frame, and fixed mounting in the connecting frame top and for the lifting plate of goods placement;Automatic clamping mechanism, including for the goods clamping fixed on lifting plate limiting component, and the adjusting component of being convenient for the limiting of different specifications goods, the limiting component includes several movable mounting in the vertical plate of lifting plate bottom, hinged in the transmission plate of vertical plate surface.The utility model is cooperated with adjusting component by limiting component, realizes automatic clamping limiting using goods self weight, to ensure the stability in lifting process, solve the problem that traditional lifting device relies on additional power (electric or manual) drive limiting mechanism, both avoid power loss, improve operation efficiency.

This invention discloses an intelligent solar tracking photovoltaic system and control method based on dual-mode adjustment, belonging to the field of intelligent control technology for photovoltaic power generation. The system includes a sensing module, a control module, an execution module, and a storage module. The control method includes data acquisition, mode judgment and switching, parameter calculation, execution actions, parameter verification and fine-tuning steps, and also integrates dynamic threshold updates, battery power adaptation, low-energy consumption maintenance in strong winds, and remote control functions. This invention achieves synergistic optimization of solar tracking accuracy and response speed. Through the mode-based coordination of solar tracking and vibration reduction, and dynamic adaptation to multiple operating conditions, it improves the power generation efficiency, operational stability, and ease of operation of the photovoltaic system, while reducing equipment losses and energy consumption.

The utility model belongs to the technical field of polishing devices, and particularly relates to a high-stability and high-efficiency polishing device which comprises an integrated cavity, a servo motor and a voice coil motor, the voice coil motor is fixedly connected with one side of the integrated cavity, the output end of the voice coil motor is fixedly connected with a fixed pulley, and a steel cable is wound on the fixed pulley; the bottom of the steel cable is fixedly connected with a low-type heavy-load square locking type sliding block, and one side of the integrated cavity is provided with a low-type heavy-load square locking type guide rail corresponding to the low-type heavy-load square locking type sliding block. One side of the low-type heavy-load square locking type sliding block is fixedly connected with a servo motor, and the output end of the servo motor is fixedly connected with a coupler. The integrated cavity does not contain mechanical connection structures such as screws and pins, the situation that the whole frame of the device is loosened due to the long-time high-pressure and high-vibration machining environment is fundamentally avoided, the maintenance difficulty is greatly lowered, and the long-term machining stability is guaranteed.

This application provides a hybrid power system and a vehicle, including an engine; a generator, the output end of which is connected to the generator; a differential having two differential power output ends, each differential power output end being connected to a wheel on that side via a half-shaft; the output end of the generator being connected to the differential; a first drive assembly and a second drive assembly, respectively connected to the half-shafts of the two wheels to drive the wheels on both sides; and a power switching assembly, the first input end of which is connected to the engine, the second input end of which is connected to the generator, and the output end of which is connected to the differential. The power switching assembly includes at least one opening and closing device, which is used to selectively engage the engine, generator, and differential to achieve different power output modes to cope with different driving conditions, thereby optimizing the structure of the hybrid power system and reducing the overall vehicle cost.

The utility model discloses a card pressure electric wire branch connector for junction box belongs to electric wire connection technical field. The connector is mainly by the upper connecting body and lower connecting body of carding composition, and the lower connecting body is the U shape injection molding structure of embedding elastic metal sheet, is equipped with dry line groove and card slot, and the upper connecting body is the I shape injection molding structure, and the integrated terminal cavity, screw via hole and separation gap, and the copper terminal, pointed end screw, flat end screw and branch line end cover are used in collocation. The utility model adopts the upper and lower card pressure type assembly structure, and adapts the narrow installation space of junction box, and realizes the conductive communication through the pointed end screw puncture dry line insulation, and need not cut off the power supply dry line. Single device can complete phase, zero, ground three wire branch connection, effectively prevents dry line joint power loss, reduces copper material waste, simplifies wiring installation process, promotes construction efficiency and wiring quality consistency, can be widely applied to the lighting distribution scene of pipe -through junction box.

The utility model discloses a kind of diesel engine post-processing urea mixers structure of inhibiting PN increase, including heat shield, mixer cylinder, upper cyclone pipe, mixing cavity, lower cyclone pipe, broken mesh plate, nozzle base, gas outlet mixing blade plate and gas outlet spoiler;The outside cover of mixer cylinder is equipped with heat shield;Mixing cavity is provided in the mixer cylinder, and the upper end of mixing cavity is connected with upper cyclone pipe, and lower end is connected with the lower cyclone pipe;Broken mesh plate is provided in mixing cavity;Broken mesh plate is arranged at the junction of mixing cavity and lower cyclone pipe;Nozzle base is provided on the mixer cylinder, and nozzle base is located above upper cyclone pipe;Gas outlet end of mixer cylinder is sequentially provided with gas outlet mixing blade plate and gas outlet spoiler.The utility model passes through cyclone structure and aperture plate structure, while solving urea crystallization problem, does not cause PN increase, and meet the requirements of exhaust flow field uniformity, pollutant conversion efficiency, pollutant emission etc.

The invention discloses a low-voltage electricity supplement control system and method based on new energy commercial vehicle fleet management, and relates to the field of vehicle management, and the system comprises a cloud scheduling platform which is used for setting an electricity supplement strategy, receiving a vehicle signal, judging an electricity supplement state, issuing an electricity supplement starting / stopping instruction, collecting electricity supplement data, and generating a report; the vehicle TBOX is used for receiving a cloud charging strategy, collecting a vehicle related signal, uploading the vehicle related signal to the cloud, forwarding a cloud instruction to the HCU controller, feeding back a charging state and executing an offline charging strategy; the HCU controller is used for receiving the charging instruction forwarded by the TBOX, controlling the DCDC converter to be powered on / powered off, monitoring the charging state and feeding back the charging state to the TBOX; the DCDC converter is used for converting high-voltage electricity of the power battery into low-voltage electricity and supplementing electricity to the low-voltage storage battery; and the mobile phone APP is used for receiving the power supply state push, displaying the power supply progress, issuing a manual power supply instruction and receiving a fault prompt.