54results about How to "To achieve the purpose of charging" patented technology

The invention discloses a mobile phone charger based on thermoelectric power generation. The mobile phone charger comprises a thermoelectric power generation module, a boosting module, a driving module, an isolation rectifying circuit and an isolation sampling module, wherein the thermoelectric power generation module utilizes a plurality of serially connected or parallelly connected thermoelectric power generation sheets to generate one low voltage under the condition of a certain temperature difference; the boosting module is connected with the output end of the thermoelectric power generation module to enable the low voltage to be boosted to a high voltage; the driving module is connected with the output end of the boosting module so as to enable the high voltage output by the boosting module to be converted into stable alternating current to be output; the isolation rectifying circuit is connected with the output end of the driving module so as to perform isolation rectification on alternating current output of the driving module to generate stable output to be output through an output interface; the isolation sampling module feeds the output back to the driving module to perform dynamic regulation so as to stabilize the voltage after sampling isolation is performed on the output of the isolation rectifying circuit. The mobile phone charger based on the thermoelectric power generation utilizes the thermoelectric power generation principle, adopts reasonable heat-conduction and heat-dissipation devices and boosting and voltage-stabilizing circuits, achieves the purpose of mobile phone charging, and is particularly suitable for outdoors and field emergent service.

The invention provides a network convergence method and a network convergence system. The network convergence method comprises the following steps that: a wireless communication terminal detects the current network environment, accesses a wireless local area network (WLAN) if detecting the WLAN, and accesses a time division-synchronization code division multiple access (TD-SCDMA) network if not detecting the WLAN. By the technical scheme, the aim of surfing the internet can be easily fulfilled, the rate is higher and the user experience is better particularly under the WLAN, the complementarity of the TD-SCDMA and the WLAN on service provision capability and network coverage can be effectively realized, the aims of encrypted authentication and charging are fulfilled, and the operation efficiency and the operation quality are improved.

The invention discloses a high-current direct-current connecting device which comprises a plug assembly, a socket assembly, and a connecting box used for fixing the socket assembly and connected with a cable of a battery pack. The plug assembly and the socket assembly are in one-to-one correspondence. The plug assembly comprises a plug shell, a jack contact piece, a pressing plate, a compression nut and a connecting nut. The socket assembly is fixed into the connecting box, and comprises a socket shell, a second sealing washer, a pin contact piece and a socket insulation sleeve. Quick and safe butt joint between a direct-current power supply and the battery pack is realized under a direct-current high-current condition, and the purpose of charging the battery pack through the direct-current power supply is achieved.

The invention discloses a multifunctional solar carport which comprises four supports and a ceiling supported by the supports, wherein one or two supports are of telescopic structures; the ceiling is of a folding structure and is formed by butting long sides of multiple rectangular plates through hinge shafts; the cross section of the ceiling is like sequentially connected V shapes; more than two solar panels are respectively arranged on parallel sides of every two adjacent V-shapes and are connected in parallel or in series to form a solar square matrix component; two power cords are respectively led from the positive electrode and the negative electrode of the solar square matrix component; the positive power cord is simultaneously and sequentially connected with a counter current preventing diode and a solar controller; an electric wire connected from the solar controller and the negative power cord form a charging wire of an electrombile. According to the multifunctional solar carport disclosed by the invention, the application range of the solar carport is greatly widened; the charging efficiency and the cooling process are greatly improved; a manufacturing technology is simple; the pertinence of the carport is improved, and the popularization range of the carport is widened.

The invention discloses a wireless charging pile of an electric automobile based on electromagnetic force and a charger, and relates to a wireless charging technique of the electric automobile, which aims at solving the problems of inconvenience and unsafety when the electric automobile is charged by the existing charging device of the electric automobile via the connecting cable. The wireless charging pile comprises a charging pile controller and a plurality of charging interfaces, wherein each charging interface comprises an electromagnet and a telescopic mechanism; each electromagnet is fixedly arranged on the corresponding telescopic mechanism; the charging pile controller is used for controlling the engaging and disengaging of an electromagnet power source; the charger comprises a charger body and an induction coil; the charger body is used for converting the current produced by the induction coil into electric energy required by the electric automobile. The wireless charging pile and the charger have the advantages that by utilizing the electromagnetic principle, the electric energy is converted into a magnetic field in the charging pile, the magnetic field changes, and the current is produced in the induction coil, so as to reach the purpose of charging for the electric automobile; the charging by connecting with the cable is not needed, so that the convenience and safety are realized; a plurality of electric automobiles can be simultaneously charged by one charging pile, so that the utilization rate of the charging pile is realized.

The invention belongs to the technical field of wireless charging, and discloses a wireless charging device, system and method, a mobile terminal and a storage medium. The wireless charging device comprises an internal charging system which is installed in an external metal frequency selection box body and used for achieving wireless charging. The four side faces and the top face of the metal frequency selection box body are all band-pass type frequency selection surfaces. A multi-antenna subsystem of the internal charging system comprises N antenna units, wherein N is an integer greater than1. The antenna unit adopts an oscillator antenna, a microstrip patch antenna, a waveguide slot antenna, a spiral antenna or a dielectric resonator antenna; and the N antenna units of the multi-antennasubsystem are uniformly arranged on the inner sides of the four side surfaces of the metal frequency selection box body in a two-dimensional annular manner or are arranged on the three-dimensional curved surface of the whole inner side of the metal frequency selection box body. According to the invention, simultaneous wireless charging of a plurality of mobile communication devices with differentbrands, different device types and different placement modes can be realized, normal communication can be realized, and the device has the advantages of high transmission efficiency, stable transmission, environmental protection and the like.

The invention discloses an energy storage system for charging an electric vehicle. The energy storage system comprises a power supply network, wherein the power supply network is connected with a charger with an energy storage device; the charger with the energy storage device is connected with the electric vehicle and comprises a charger body which is connected with the power supply network and the electric vehicle; the charger is also connected with the energy storage device; and the energy storage device is controlled through a micro control unit. The energy storage device is added to the front end of an existing direct-current charging system; when the power network is powered off, the electric energy of the energy storage device is input into the direct-current charging system, so that uninterruptible power supply of an electric vehicle charging system is achieved; when the power network is normal, the electric energy is directly input into the direct-current charging system from a bypass; and meanwhile, when the energy storage device is short of electricity, the control unit transmits a signal and a switch at an input end of the energy storage device is turned off, so that the target of charging the energy storage device is achieved.

The invention discloses an intelligent peak-shaving energy-saving power supply which comprises an intelligent modulation controller, a DSP (Digital Signal Processor) controller, an isolation transformator T, a bidirectional inverter NB and an electrical energy memory unit, wherein, the intelligent modulation controller is connected with a commercial power circuit and used for detecting the voltage of the commercial power circuit and then sending the control signals to the DSP controller; the DSP controller is connected with the intelligent modulation controller and the bidirectional inverter NB, receives the control signals sent by the intelligent modulation controller, and controls the working state of the bidirectional inverter NB according to the control signals; and the bidirectional inverter NB is connected with the electrical energy memory unit and is also connected with the commercial power circuit through the isolation transformator T. The intelligent peak-shaving energy-saving power supply can adjust power network peak-valley balance and improves the stability of an electric power system.

The invention discloses an automatic charging platform for an unmanned aerial vehicle, which relates to the technical field of unmanned aerial vehicles. The automatic charging platform for an unmannedaerial vehicle comprises a bottom plate and an unmanned aerial vehicle, wherein a bottom box is fixedly installed at the top of the bottom plate, fixing plates are fixedly installed on the front sideand the rear side of the top of the bottom box, a rotating plate is rotatably connected between the ends of the two fixing plates, a cylinder is fixedly installed in the center of the top of the bottom box, and a plug is fixedly installed on the peripheral side face of the cylinder; the side face of the bottom box is rotationally connected with a hydraulic cylinder, and the output end of the hydraulic cylinder is rotationally connected with the bottom of the rotating plate; a trapezoidal block is fixedly installed at the top of the rotating plate; sliding grooves are formed in the top of therotating plate and located in the two sides of the trapezoidal block; and a Z-shaped plate is fixedly installed at the top of the trapezoidal block. The rotating plate rotates to drive the unmanned aerial vehicle to rotate, so that the electric connecting piece and the socket at the top of the unmanned aerial vehicle are connected with the plug, the charging purpose is achieved, personnel participation is not needed in the charging process of the device, the automation degree is increased, and manpower output is reduced.

The invention belongs to the field of quick pay, which relates to a quick pay system, particularly to a market quick pay system and a use method of the market quick pay system. The market quick pay system comprises: a database for storing coding information of an article; a data transmission module for inputting and receiving pay information of the article; a displaying module for receiving pay information of the article via the data transmission module and displaying the coding information of the paid article and the specific amount to pay according to the stored information in the database; and a transaction module for paying the price of the article. Compared with the prior art, the advantages and positive effects of the invention lie in that the invention provides the market quick pay system, which enables a client to finish the final pay transaction of an article by herself / himself, and the purpose of charging free of person is realized, so that the cost of a shopping center is reduced, and the work efficiency is improved.

The invention discloses a charging method for a vehicle. The charging method comprises the following steps that whether a charging pile is in the heating mode or not is judged; if the charging pile is in the heating mode, a power battery is heated after a heating relay is closed; and after heating is completed, if the heating relay is disconnected and a quick-charging cathode relay and a fast-charging negative relay are closed, the charging pile is controlled to charge the power battery. According to the charging method for the vehicle, detecting for voltage at both ends of the power battery is not required when the power battery is heated, the power battery is directly charged, so that safety of charging is improved, and reliability of charging is effectively guaranteed. The invention also discloses a charging device of the vehicle and the charging pile.

An embodiment of the invention provides a mobile terminal which comprises a battery, a small plate and a front shell. The small plate is fixed onto the front shell, the battery comprises a protection circuit board and a cell which are communicated, the battery is placed on the front shell, the protection circuit board is positioned on one side close to the small plate, a conducting part is arranged on the protection circuit board, a contact is arranged at one end of the conducting part, the conducting part penetrates the space between the small plate and the front shell, and the contact is exposed from the front shell. The mobile terminal is used for solving the problems that more space of a small plate is occupied in a desktop charging mode and antenna layout is affected in the prior art.

The invention provides a wearable terminal, comprising a shell and an OLED (Organic Light Emitting Diode) display screen and a solar thin film which are arranged on the shell; the solar thin film is arranged under the OLED display screen; the shell is provided with preset slots; the OLED display screen and the solar thin film are embedded into the preset slot of the shell; the solar thin film is used for absorbing sunlight transmitting through the OLED display screen, converting the sunlight into electric energy, and transmitting the electric energy to an energy storage battery of the wearable terminal. The aim of charging the wearable terminal by a solar charging technique is realized, and the surface of the wearable terminal is not increased and the product miniaturization of the wearable terminal is facilitated.

The invention discloses a transportation system of an unmanned restaurant. The transportation system comprises a track device, a track changing device, multiple dining cars and a recovery device, wherein the track device comprises a conveying track and an external track, the track changing device comprises a track changing bracket, a first track, a second track, a track changing seat and a track changing moving mechanism, each dining car comprises a car frame, a placement frame, a driving mechanism, multiple pulleys and a dining car material pushing mechanism, the recovery device comprises a recovery car, and the recovery car comprises a car frame, a recovery bucket, a lifting mechanism and multiple pulleys. The transportation system of the unmanned restaurant has the advantages that the unmanned service and self-service of restaurants are achieved, and the purpose of reducing time and manpower is achieved.

The invention discloses an aerial photography flight device for land protection monitoring, the aerial photography flight device comprises a sub-aircraft, the outer wall of the sub-aircraft can be connected with a master aircraft, when the sub-aircraft is in a low-power condition, the sub-aircraft sends a signal to a terminal, and a ground worker sends the master aircraft to the sub-aircraft site when receiving the signal well, so that the ground worker can take off the aerial photography flight device; the child machine stops at an original position and hovers in the air after sending out a signal, when the capturing module on the mother machine captures the capturing module on the child machine, aerial clamping and connection with the child machine are completed, the opening and closing assembly on the child machine opens the charging port of the upper machine shell, the mother machine enables a charging wire to go deep into the connecting cylinder and be electrically connected with the connector, and then the child machine stops in the air after sending out the signal. And after charging connection, the delay module delays to transmit a command to the control module under pre-programming, so that the control module is matched with the contraction assembly to drive the wings to retract, the purpose of air charging is achieved, the trouble that the sub-aircraft returns to charge under the condition of low power supply is avoided, and the working efficiency is improved.

The invention belongs to the technical field of quantitative charging, and relates to an emulsion explosive quantitative charging device. The emulsion explosive quantitative charging device comprisesa supporting bottom plate. A containing groove is formed in the supporting bottom plate. Outer supporting columns are fixedly connected to the two sides of the inner wall of the containing groove, andsecond grooves are formed in the outer supporting columns. Compression springs are fixedly connected to the side faces of the inner walls of the second grooves, inner supporting columns are fixedly connected to the other ends of the compression springs, and clamping plates are fixedly connected to the other ends of the inner supporting columns. A mounting groove is formed in the bottom of the containing groove, a gravity sensor is arranged in the mounting groove, and two vibration motors are fixedly connected to the bottom of the supporting bottom plate. The emulsion explosive quantitative charging device has the beneficial effects that a first motor is arranged, the first motor works, the output shaft of the first motor can drive a first rotating shaft to rotate, then stirring rods can be driven to rotate, and therefore uniform stirring of emulsion explosive raw materials can be achieved.

The invention belongs to the technical field of wire rollers, and particularly relates to a motor-controlled automatic walking and unreeling and tipping prevention wire roller for electricity. The wire roller comprises an adjusting mechanism, a walking mechanism and a trigger mechanism, wherein the adjusting mechanism and the trigger mechanism are mounted on the walking mechanism. The wire roller has the functions of automatically walking and unreeling wires, automatically adapting to and adjusting driving torque, and preventing tipping due to nonuniform roller stress, and protecting the environment; the adjusting mechanism has the function of automatically adjusting driving force of a motor according to the ground condition; and the walking mechanism has the function of driving the wire roller to move to automatically unreel the wires.

The invention provides an air conditioning refrigeration circulating system and an air conditioner, which can solve the problem brought by different coolant demand quantities by refrigeration and heating cycle in the prior art. The technical scheme is as follows: the air conditioning refrigeration circulating system comprises a compressor, a condenser, a four-way valve, a throttling device and an evaporimeter, wherein all components are connected by an online pipeline; the air conditioning refrigeration circulating system is also provided with a balance tank which is communicated with the outlet tube of the condenser via pipelines; and the body of the balance tank contacts with the E tube of the four-way valve. The invention utilizes the principles of degree of supercooling and degree of superheat, parts of coolant are stored in the balance tank during refrigeration circulation without participating in the refrigeration circulation, and parts of coolant participate in the refrigeration circulation during heat generation so as to obtain the purpose of balancing the filling amount of the coolant for refrigeration and heat generation.

The invention discloses an intelligent charging device for a plant protection unmanned aerial vehicle, and belongs to the technical field of unmanned aerial vehicle charging. The intelligent charging device is characterized by comprising a charging contact and a power supply platform which are matched with the unmanned aerial vehicle, and the charging contact is connected with the power supply platform to charge the unmanned aerial vehicle; the power supply platform comprises a box body, a rechargeable power supply device is arranged in the box body, a charging groove matched with the charging contact is formed in the center of the top of the rechargeable power supply device, and landing grooves used for containing an unmanned aerial vehicle landing gear are formed in the two sides of the top of the rechargeable power supply device. A trigger mechanism is arranged in the landing groove, an electrifying mechanism used in cooperation with the charging groove is further arranged in the rechargeable power supply device, the trigger mechanism triggers the electrifying mechanism to enable the rechargeable power supply device to electrify the charging contact, the charging difficulty of the plant protection unmanned aerial vehicle can be reduced, and the charging efficiency is improved.

The invention provides an electric vehicle charging pile and a charging method. Electric vehicles are favored by more and more people; people use the electric vehicles more and more frequently on short trips; and however, the electric vehicles need charging, and communities lack charging piles for the electric vehicles at present. The method comprises a device body (1). The lower portion of the device body is fixedly connected with a device base (2); a group of bolts (3) fixedly connected with the ground penetrate through the device base; the upper portion of the device body is fixedly connected with a rainhat (4); the lower portion of the rainhat is provided with an inductor (5); the inductor is provided with a magnetic card reader (6) and a microprocessor (7); the device body is moveablyconnected with a sliding base (9) on a charging base (8); the charging base is provided with a 220V socket (10) and a USB interface (11); the device body is internally provided with a commercial power cable (12); and the commercial power cable is provided with an on-off switch (13). The electric vehicle charging pile and the charging method are used for charging the electric vehicles.

The invention relates to the field of motors, and discloses a brushless direct-current variable frequency motor and a control system using the brushless direct-current variable frequency motor. The brushless direct-current variable frequency motor comprises a stator of an exciting winding and a rotor, and a trapezoid groove is formed in the inner surface of the rotor; a plurality of RbFeB magnets of the same nature are arranged inside the trapezoid groove; an iron core with an omega-shaped groove is arranged on the outer surface of the stator. The brushless direct-current variable frequency motor has the advantages of being large in power and saving energy. The control system using the brushless direct-current variable frequency motor comprises a microprocessor, a motor frequency converter, a display controller, an electronic differential, a vehicle speed setting and memory module, an electric vacuum pump braking power-assisting control system, an electric oil pump steering wheel power-assisting control system and a battery charger. When the control system using the brushless direct-current variable frequency motor is used by a motor vehicle, power is large, energy is saved, and environment is protected.

The embodiment of the invention relates to the field of wireless charging, and discloses a wireless charging transmission method and system, a charging device and electronic equipment. The wireless charging transmission method is applied to the charging device and comprises the steps that the charging signal is modulated and the modulation signal is acquired, wherein the modulation signal is the charging signal carrying the data to be transmitted; and the modulation signal is transmitted to the electronic equipment so that the electronic equipment is enabled to perform wireless charging and demodulate the data to be transmitted carried in the modulation signal after receiving the modulation signal, and the charging device is enabled to perform wireless charging to the electronic equipmentand also transmit the data to the electronic equipment.

The invention discloses a dish supplying and taking away system for a self-service restaurant. The dish supplying and taking away system comprises a track device, a track changing device, a pluralityof dining carts, a dish supplying lifting platform and a dish taking away device; the track device comprises a conveying track and an outer track; the track changing device comprises a track changingbracket, a first track, a second track, a track changing seat and a track changing moving mechanism; the dining carts include cart frames, placing frames, driving mechanisms, a plurality of pulleys and dining cart material pushing mechanisms; the dish supplying lifting platform includes a base, an electric telescopic rod and a dish supplying material pushing mechanism; and the dish taking away device comprises a plurality of dish taking away hanging baskets, the dish taking away hanging baskets include dish taking away pushing cylinders, dish taking away pushing rods, pushing cylinder fixing seats and hanging basket bodies. The dish supplying and taking away system has the beneficial effects that the unmanned service and self-service of restaurants are realized, and the purposes of savingtime and saving manpower are achieved.

The invention discloses a network camera control device, comprising a device main body, a camera device, a device base and a connecting device, wherein the top of the device main body is movably connected with the camera device; the bottom of the device main body is fixedly connected with the device base; the top of the device base is fixedly connected with the connecting device; the middle part of a transparent protective layer is fixedly connected with an aperture; one side of the front of the device base is fixedly connected with a power indicator; a transparent protective layer is connected to the front surface of the camera device in an embedded manner; the transparent protective layer reflects the protectiveness of the device; the aperture reflects the monitoring accuracy of the device; the power supply indicating lamp reflects the warning property of the device; the recorder reflects the monitoring comprehensiveness of the device; the camera device reflects the efficiency and convenience of signal processing of the device; and the device base reflects the fixity and detachability of the device, and the connecting device reflects the adjustability of the monitoring angle of the device, is suitable for being used by the network camera control device, and has a wide development prospect in the future.

A solar charger for charging a power battery is provided, comprising: a photo-sensitive unit configured to detect light intensity; a charging unit configured to receive a voltage transformed from solar energy and to boost the voltage for charging the power battery; a switch unit coupled between the charging unit and the power battery and configured to disconnect the charging unit from the power battery or connect the charging unit with the power battery; and a control unit coupled to each of the photo-sensitive unit, the switch unit, and the charging unit, and configured to switch on the charging unit and the switch unit when the light intensity is higher than a first predetermined value to charge the power battery.

An inflatable multi-functional conductive rubber charging plug, comprising an airbag charging head on the upper part of the charging plug, the outer wall of the airbag charging head is vertically densely covered with conductive metal copper wires; The airbag is provided with a vent switch; the lower part of the charging plug is provided with a charger connection port, and there is a vent switch on the casing. When the vent switch is pressed, the charging plug can be easily removed. It can be connected with inflatable ports of different ports, replacing a set of charging plugs currently on the market, and is easy to carry.

The invention discloses an electric vehicle charger. The electric vehicle charger comprises a power supply grid which is connected with an electric vehicle through a charger. An energy storage unit isconnected between the power supply grid and the charger. The energy storage unit is controlled by a control unit. The energy storage unit is connected in parallel to the existing DC charging system.When the grid is powered off, the electric energy of the energy storage unit is input to the DC charging system so as to realize uninterruptible power supply to an electric vehicle charging system. When the grid operates normally, the electric energy is directly input to the DC charging system through a bypass circuit, and when there is not enough electric energy in the energy storage unit, the control unit emits a signal to close the switch at the input end of the energy storage unit to charge the energy storage unit.