257results about How to "Extend power supply time" patented technology

A car driver driving skill practice guiding an examination scoring device comprises a core plate and an interface baseplate connected with the core plate, wherein the core plate comprises a DSP digital processing unit, an embedded MCU micro-controller, a program storage, a data storage and interface connector plugins; the DSP digital processing unit and the embedded MCU micro-controller are taken as the center namely a hardware platform of the device; the DSP digital processing unit is responsible for processing digital audios and digital video so as to obtain state data required by movement locus of an examination vehicle and other information; the embedded MCU micro-controller provides an operation platform for an operating system; and in addition to the interface connector plugins, interfaces containing corresponding interface circuit devices are also arranged on the interface baseplate. A realization method for car driver driving skill practice guiding an examination scoring, by means of the device, can improve the reliability of measurement data of the actual position of the examination car. Therefore, the integration level of functions of the vehicle-mounted equipment is improved, and the purchase and the maintenance cost for the customer are lowered.

The invention relates to 'repulsive magnetic component, full permanent magnetic and full suspending bearing and compound wind power photovoltaic power system', in particular to a magnetic bearing and a wind power system, wherein, the repulsive magnetic component is arranged on a vertical main shaft. The invention is characterized in that the wind power system comprises an upper repulsive body and a lower repulsive body which are formed by homopolar ring permanent magnets; the upper repulsive body is formed by a piece of hollow ring permanent magnet while the lower repulsive body is formed by a piece of inner ring permanent magnet and a piece of outer ring permanent magnet arranged in a certain radial distance from the inner ring permanent magnet; the hollow ring permanent magnet is positioned in the effective magnetic range of the magnetic force of the two pieces of permanent magnets forming the lower repulsive body. By adopting the full permanent and full suspending bearing of the repulsive magnetic component, and arranging a pull-push magnet component at the upper end of a spiral body of a vertical shaft wind turbine and the repulsive magnetic component at the lower end of the spiral body, the full magnetic and full suspending support of the main shaft or a vertical shaft impeller can be realized, thus eliminating all friction of the spiral body of the wind turbine.

The invention discloses a dust collector powered by two battery packs and relates to a power supply circuit of a handhold-type and vertical-type combined dust collector. A first battery pack capable of independently powering is arranged in a handhold-type dust collector body, a second battery pack is arranged in a vertical-type dust collector body, the handhold-type dust collector body and the vertical-type dust collector body are combined, the first battery pack and the second battery pack are parallelly connected to power a vertical-type dust collector, and power supply time of the vertical-type dust collector is effectively prolonged. The invention further discloses a discharging control method of the dust collector. Voltage of the battery packs is detected, and when the battery packs are larger than set voltage difference, power supply of the battery pack smaller in voltage is stopped timely, and damage to the battery packs due to reverse charging is prevented.

A magaluma fuel cell power supply unit is characterized in that the unit consists of a fuel cell stack (20) formed by connection of more than one monomer modified magaluma fuel cells (10) and a control circuit (30). More than one monomer modified magaluma fuel cells (10) combine the fuel cell stack (20) through series connection, parallel connection or series and parallel connection. The monomer modified magaluma fuel cells (10) are jointed with each other by locking or splicing through a concaveconvex structure. The magaluma fuel cell power supply unit can run independently, continues supplying power for a longer time, is convenient in application and simple in maintenance, can supply power normally in the regions without electricity and in the power down mode and is combined by a plurality of magaluma fuel cells.

The invention discloses a beekeeping management and control system, and relates to a beekeeping system. The beekeeping management and control system comprises an intelligent beehive, wherein the intelligent beehive comprises a beehive body, a control module, detection devices and an execution device, the control module is used for receiving detection signals transmitted by the detection devices, comparing the detection signals with set characteristic signals, and outputting control signals to the execution device according to the comparison result, the detection devices comprise the inner detection device and the outer detection device, the inner detection device is installed in the intelligent beehive, and is used for detecting the temperature factor, the sound factor and the pressure factor of the interior of the intelligent beehive, the outer detection device is installed outside the intelligent beehive and is used for detecting the temperature of the exterior of the intelligent beehive, the execution device is installed in the intelligent beehive, and is used for carrying out the control signals output by the control module, the input end of the control module is connected with the output ends of the detection devices, and the output end of the control module is connected with the input end of the execution device. According to the beekeeping management and control system, automation of the whole management and control process of beekeeping can be achieved, labor intensity of beekeeping is greatly reduced, working efficiency is high, the cost is low, and the beekeeping management and control system is easy to popularize and use.

The invention discloses an instantaneous power-down monitoring device and a power-down processing method for a DC power supply, belonging to the technical field of power-down protection of electronic products. The instantaneous power-down monitoring device can monitor a circuit board power supply in real time, provide a power-down signal when the power supply is powered down or powered off, and the device can provide short time power supply for micro-processing chips and power-down protection auxiliary devices in the electronic products; and the power-down processing method is fit for the electronic products utilizing the micro-processing chips, and the power-down processing method completes such power-down protection actions within a short power supply time of the device, for example, data storage, system working state adjustment, alarm information transmission and error information transmission, etc. The device and the method disclosed by the invention are fit for the DC power supply and have the advantages of extensive application range, simplicity in the circuit, low cost and reliability in working, etc.

The invention discloses an impulse type low-power consumption drip irrigation automatic control device, comprising a controller, a timer, an impulse type magnetic valve, a battery and a knob instruction input device, wherein the timer and the magnetic valve are connected with the controller respectively; the battery is connected with the controller, the timer and the magnetic valve respectively; and the instruction input device is connected with the controller and controls the drip irrigation interval period, start time and drip irrigation time by the controller to drive the power on/off states of the magnetic valve so as to realize automatic timing control on drip irrigation. In addition, the invention also discloses a low power consumption drip irrigation automatic control method.

The invention discloses a method for prolonging the accumulator supply feed time. The accumulator is used in base station supply feed. It arranges at least three valve value voltages by the accumulator discharging character, wherein one of the three valve value voltage is a blackout voltage Vd, the other valve value voltages are greater than the blackout voltage Vd; it tests the discharging voltage of the accumulator Vf and compares it with each valve value voltage to quote discharging content of the accumulator and adjust the total power consumption.

The invention discloses an electrostatic spraying streetlamp device capable of eliminating PM2.5 (Particulate Matter 2.5). The device comprises a streetlamp pole, a power supply, a lamp and a high-voltage electrostatic spraying system, wherein the power supply is electrically connected with a light-operated streetlamp controller of the lamp; the lamp is positioned on a lamp arm; the high-voltage electrostatic spraying system comprises a metal nozzle, a DC (Direct Current)-high-voltage DC inverter, a liquid storage tank, a water pump and a spraying controller for controlling the DC-high-voltage DC inverter and a water pump motor to work; the spraying controller is electrically connected with the power supply; the water pump is connected with the metal nozzle through a liquid delivery pipe; the metal nozzle is connected with the positive electrode of the voltage output end of the DC-high-voltage DC inverter; the negative electrode of the voltage output end of the DC-high-voltage DC inverter is grounded. According to the device, illumination is provided; in addition, air can be purified, and PM2.5 in the air can be effectively eliminated; the device can be implemented by modifying and upgrading the conventional streetlamp, and is high in practicability, easy to implement and suitable for wide popularization.

The present invention puts forward a smart lock and a power supply system thereof. The power supply system can supply power through two modes. One mode is characterized in that electric energy is stored on a capacitor C2 after being generated through a hand-operated power generation apparatus and via an energy conversion unit, so as to supply power to a subsequent load. The other mode is characterized in that a power supply control unit selects one pack from battery packs for supplying power to a load by controlling transistor switches Q1 and Q2. When a voltage outputted by the power generation apparatus is higher than a certain threshold value, the power supply system automatically gives priority in use of the electric energy provided by the power generation apparatus. According to the smart lock, a traditional keyboard system is changed into a two-key keyboard system, so that passwords can be entered conveniently in a dark environment without an illumination circuit, thereby greatly reducing power consumption. Through adoption of the smart lock and the power supply system in the present invention, power supply efficiency is improved, power supply time is prolonged, and the system can still continue working through the power generation apparatus in the case that the smart lock is completely out of power, thus the biggest usage inconvenience problem of an electronic smart lock is solved, and the practical value of the smart lock is greatly improved.

The invention belongs to the field of fire fighting and fire monitoring, relates to an intelligent integrated wireless building fire and electrical fire monitoring device and system, and particularlyprovides a Zigbee-networking-based wireless building fire detecting-alarming device and electrical fire detecting-alarming device, a centralized alarming-monitoring unit point based on Zigbee networking and 4G wireless communication, as well as a cloud service platform control system scheme based on the Internet of Things. The intelligent integrated wireless building fire and electrical fire monitoring system comprises three parts, wherein the first part comprises building and electrical fire detecting-alarming nodes positioned at the front end; the second part comprises a centralized alarming-monitoring unit positioned at the middle end; and the third part comprises the Internet of Things, a cloud service platform, as well as a management and mobile monitoring terminal which are positioned at the tail end. The intelligent integrated wireless building fire and electrical fire monitoring device and system provided by the invention have the beneficial effects that through building and electrical fire monitoring nodes, wireless ad-hoc networking can be achieved, and the line investment and the construction cost can be reduced; at the front-end nodes, the onsite environment temperature, the smoke concentration, the electric bus bar, cable and in-cabinet environment temperature, the cable line residual current, and the own power supply voltage level of the intelligent integrated wireless building fire and electrical fire monitoring device can be detected; the detected information can be transmitted to the middle-end centralized alarming-monitoring unit in a wireless manner; andmeanwhile, the detected information can be transmitted to the cloud service platform through the 4G network and then sent to a mobile phone and other mobile terminals of management personnel.

The invention provides a non-contact power supplying device and an elevator. When supplying electric power to the coil unit installed in mobile bodies, such as a riding basket, electric supply time is secured as for a long time as possible. Before one mode of the present invention arrives at a position (electric supply position) in which the coil (50) on the electricity-receiving side carries out a right opposite to the coil (150) on the power transmission side, it measures the gap G of the coil (50) and the metal plate (171), and computes distance of the coil (50) and the coil (150). And based on distance of the coil (50) and the coil (150), control on the power transmission side (setting change etc.) is preliminarily performed before an electric supply start. So, compared with the conventional non-contact power feeding method which controls after a coil on the electricity-receiving side and a coil on the power transmission side carry out a right opposite, electric supply time is securable for a long time.

The invention relates to a solar energy power generation and storage system and a method. The solar energy power generation and storage system comprises a solar panel, a first capacitor, a direct-current/direct-current converter, a controller and a second capacitor, wherein the first capacitor is used for receiving the output electric energy of the solar panel and outputting the electric energy to the direct-current/direct-current converter, the direct-current/direct-current converter is used for adjusting the output voltage of the solar panel and the first capacitor, the controller is used for adjusting the work cycle value of the direct-current/direct-current converter, and the second capacitor is connected with the direct-current/direct-current converter and the controller and used for storing the electric energy generated by the solar panel. The solar energy power generation and storage method comprises the steps as follows: converting the solar energy into electric energy, providing the first capacitor for storing the electric energy converted from the solar energy temporarily, adjusting the voltage of two ends of the first capacitor by the direct-current/direct-current converter, providing the controller for adjusting the work cycle of the direct-current/direct-current converter, and providing the second capacitor for storing the electric power output by the direct-current/direct-current converter.

The invention relates to an intelligent integrated power generation system. The main technical characteristics are as follows: a one-chip microcomputer respectively connected with a solar energy power supply branch, a wind power supply branch, a storage battery power supply branch, a load terminal voltage current detection circuit and a load terminal start stop switch through I/O interfaces; the solar battery power supply branch, the wind power supply branch and an output terminal of the storage battery power supply branch are connected with loads through corresponded relay switch circuits; and output terminals of solar battery power supply branch and the wind power supply branch are respectively connected to the storage battery power supply branch to charge a storage battery. According to the invention, real-time detection is carried out on electric energy states of all power supply branches to switch different power supply modes, so that coordination control on all power supply devices and loads are completed; meanwhile, a solar energy power generation apparatus and a wind energy power generation apparatus can be utilized to charge a storage battery, so that it can be ensured that the system work stably and power supply time is also prolonged; furthermore, the system has characteristics of stable working performance, light weight, high efficient energy conservation, good load effect, good dynamic effect, reliable working performance and stable output and the like.

The invention discloses an automatic replacing device for batteries. The device comprises a box, the top of the box is provided with a rotating disc matched with the box, one side of the box is provided with a socket, the rotating disc is provided with a battery shell, and a battery body is arranged in the battery shell; a rotating rod is arranged on the rotating disc in a penetrating mode, one end of the rotating rod penetrates through the central point of a driven gear and extends into the box, and the end, extending into the box, of the rotating rod is movably connected with the bottom of the inner wall of the box; the surface of the driven gear is meshed with a drive gear, a rotating shaft is arranged at the central point of the drive gear in a penetrating mode, and the bottom of the rotating shaft is fixedly connected with an output shaft of a motor. According to the automatic replacing device for the batteries, the problem that the batteries are manually replaced is avoided, a large amount of time and manpower are saved, and resource waste is avoided; in addition, the device is simple in structure, convenient to operate, high in applicability and suitable for usage and popularization.

The invention discloses a windmill electricity generation self-powered and self-charging device for a battery electric vehicle, and relates to the field of air energy and wind energy utilization. On the basis of a charging and powering control circuit of a battery electromobile, a battery pack of the battery electromobile and a power motor of the battery electromobile, a windmill electricity generation system device and a central control system device are added. The windmill electricity generation self-powered and self-charging device for the battery electric vehicle is characterized in that air energy and wind energy are converted into mechanical energy by the windmill electricity generation system, the mechanical energy is then converted into electric energy by the windmill electricity generation system device, the electric energy is transmitted to a charging and powering control circuit after being adjusted and controlled by the central control system device, the charging and powering control circuit and the battery pack drive the power motor to work, and electricity generation and self powering of a windmill are achieved.

The invention discloses a super capacitor-batteries composite power supply system, which comprises an AC/DC converter, a super capacitor, a two-way DC/DC converter and a battery pack, wherein the AC/DC converter is connected to electric supply, converts an AC into a DC and charges the super capacitor; the super capacitor is connected to the two-way DC/DC converter and electric equipment, supplies electricity to the electric equipment, charges the battery pack through the two-way DC/DC converter and obtains the electricity discharged from the battery pack through the two-way DC/DC converter; the two-way DC/DC converter is connected with the AC/DC converter and the battery pack, and is used for achieving power transferring between the battery pack and the super capacitor; and the battery pack charges the super capacitor through the two-way DC/DC converter and obtains the electricity discharged from a super capacitor module through the two-way DC/DC converter. The super capacitor-batteries composite power supply system is long in power supply time, long in service lifetime and fast to charge, can be used for 500,000-1,000,000 in cycle, and can stably correspond to high-power output states of startup, climbing and the like; the battery pack is an emergency power supply, and is rarely used; and an environment-friendly material is adopted by the super capacitor, so that the environment is not polluted; and the power supply system is safe.

The invention provides a substation maintenance safety risk management and control system based on the Internet of things. The information of transformation equipment in a substation and the equipmentlocation information, safety channel information, entrance and exit information and fence information of the substation are configured into two-dimensional codes which are pasted in the substation. Each equipment information two-dimensional code further includes the operation procedure, operation guide and other information of the equipment. A user can read the operation process and method of each piece of equipment and the safety risk points by using a handheld terminal to scan the two-dimensional code, and can guide the field work clearly and visually. Therefore, the ability of substation operation and maintenance anti-violation management is improved, the purposes of risk control, accident prevention and safety guarantee are achieved, and safety guarantee is provided for field operators. Through the application of the substation risk management and control system, operators can be prevented from touching all kinds of risk points during work. By providing courses about various complex equipment operations, the probability of equipment unlocking operation is reduced, and the safety of operators is guaranteed.

The invention discloses a vehicle-mounted diesel power generation system used in a direct-current power distribution mode and an energy management method of the vehicle-mounted diesel power generation system. The vehicle-mounted diesel power generation system comprises a diesel generator, a diesel generator controller, alternating-current power distribution equipment, an AC (alternating current)/DC (direct current) rectifier, a DC/DC variator, direct-current power distribution equipment, a main control unit and a storage battery pack. According to the current load conditions, a reasonable load adjusting and controlling measure is taken by using the energy management method; while the fuel oil using efficiency of the diesel generator is improved, electric energy can be stored in an efficient charging area of the storage battery pack; in an efficient discharging area of the storage battery pack, the diesel generator is closed, and a load is powered by the storage battery pack; and when energy of the efficient discharging area of the storage battery pack is used up, the diesel generator supplies power for the mode again, and a power distribution control system takes the load adjusting and controlling measure again. The fuel oil using efficiency of the vehicle-mounted diesel power generation system can be improved, and the power supply time of the vehicle-mounted diesel power generation system is prolonged.

The invention provides a method for prolonging the power-on time of an emergency power supply of a base station. The method comprises the following steps that: when detecting that a main power supply is powered off, the base station reports main power supply power-off information of the base station to a base station control module; and the base station control module reduces cell power consumption based on service priority levels according to the main power supply power-off information of the base station. The invention also provides a system for prolonging the power-on time of the emergency power supply of the base station. By utilizing the method or system for prolonging the power-on time of the emergency power supply of the base station, provided by the invention, the running time of the base station can be effectively prolonged.

A high frequency high voltage pulse generator is a pulse driving and emission source which is applied to fields of display measurement, display drive, communication technology and the like. The generator comprise a pulse signal amplification circuit, a MOSFET (Metal Oxide Semiconductor Field Effect Transistor) driving circuit, and a high voltage pulse output circuit which are in serial connection in order. An input terminal of the pulse signal amplification circuit is an input terminal of the generator, and an output terminal of the high voltage pulse output circuit is an output terminal of the generator. An upper end suspension power supply of the MOSFET driving circuit of the generator is formed by a high voltage pulse attenuator, so a positive/negative high frequency pulse which has a duty ratio of 0.005 % in a frame period and meets a technical index is generated in the display measurement, a maintenance pulse which has a duty ratio of 50% and satisfies more than 8 subfields is provided in the display drive, and an emission source pulse which 100% operating efficiency, large power and low loss is outputted in the communication technology.

The invention relates to an overhead power line of an electric power network, in particular to an overhead power line with the functions of automatic protection, sleet covering prevention and automatic sleet melting. The structure of the overhead power line is a system which causes the overhead power line to form a short circuit, the equipment thereof comprises a line temperature-humidity measurement and control device, a microcomputer processing and protection system, a special relay protection device, a line high-voltage circuit breaker, an electric control isolating switch capable of forming the short circuit among conductors, a power source protection control switch, and a power source unit system which is used in short circuit current and comprises the elements such as a high-voltage DC or low-voltage AC current regulation and control device, a current-voltage measurement and control device, a fuse, etc. The first technical scheme of the overhead power line is that the conductors are directly switched on to form short circuit without loads, and then the power is supplied to cause the conductors of the power network to generate heat, thus preventing the line from sleet covering and automatically melting the sleet. The second technical scheme of the overhead power line is that the connection mode of the devices used in the first technical scheme is changed to establish an automatic sleet melting system for sleet covering of the line.