24results about How to "Realize the charging function" patented technology

The utility model provides a vehicle-mounted power supply circuit and a vehicle, the vehicle-mounted power supply circuit comprises a DCDC conversion circuit, the DCDC conversion circuit comprises a secondary side first conversion sub-circuit and an anti-reverse connection device, the anti-reverse connection device is arranged between a low-voltage positive electrode and a low-voltage negative electrode of the secondary side first conversion sub-circuit, and the secondary side first conversion sub-circuit is connected with the anti-reverse connection device; according to the utility model, when the reverse connection of the low-voltage positive electrode and the low-voltage negative electrode occurs due to misoperation, the reverse connection can be timely switched off, the circuit fault probability is reduced, and the requirements on the overcurrent capability and the conduction impedance of the MOS tube are reduced, so that the cost of the MOS tube is reduced.

The utility model discloses a power supply circuit and a disinfection box, and relates to the technical field of disinfection boxes. The disinfection box comprises a disinfection circuit, and the power supply circuit comprises an alternating current power supply input end, a rectification filter circuit, a switching power supply circuit and a wireless charging circuit. Wherein the alternating-current power supply input end can input an alternating-current power supply and can be connected with a mains supply and other high-power power supplies, and the rectification filter circuit converts the input alternating-current power supply into a direct-current power supply, filters the direct-current power supply and outputs the direct-current power supply. The switching power supply circuit can carry out voltage conversion on the direct-current power supply output by the rectification filter circuit and then output the direct-current power supply so as to meet the voltage requirement required by the disinfection circuit and supply power to the disinfection circuit. The wireless charging circuit can obtain a power supply from the rectification filter circuit and convert the power supply into a wireless charging signal to be output so as to charge a charging device. The power supply circuit is connected with an alternating current power supply with higher power, and can provide high power output to the disinfection circuit and the wireless charging circuit at the same time.

The utility model provides a supporting device of display equipment, which comprises a horizontally arranged first rotating mechanism, a telescopic mechanism which is connected to one side of the first rotating mechanism and protrudes above the first rotating mechanism, and a second rotating mechanism which is connected to the outer side of the telescopic mechanism in parallel, the second rotating mechanism comprises a second rotating base connected with the display device, a third driving mechanism fixedly connected with the second rotating base and supporting the second rotating base to rotate and a charging device arranged on the second rotating base in a penetrating mode, and the outer side of the charging device makes contact with the display device. The supporting device of the display equipment is compact in structure and high in execution reliability, and a user can adjust the rotating angle of the display equipment located on the outer side of the telescopic mechanism and fixed to the second rotating base in the vertical direction according to requirements; meanwhile, the display device can be charged through the charging device of the supporting device.

The utility model relates to the technical field of Bluetooth earphones, and more specifically relates to a multifunctional voice control charger baby neck-hanging Bluetooth earphone comprising a neck-hanging line, a first housing, a first cover, a first battery, a second housing, a second cover, a second battery, a first earplug, a second earplug, a voice control module and a Bluetooth module. A first shell and a second shell are arranged at the two ends of the neck hanging line respectively, a first battery is detachably installed in the first shell through a first cover, a second battery is detachably installed in the second shell through a second cover, a sound control module is arranged on the first shell, and a Bluetooth module is arranged on the second shell. According to the utility model, left and right symmetry is adopted, the left and right batteries are arranged to prolong the use time of the earphone and realize the charging function, so that a user can select power supply ports in different directions according to personal habits, the use comfort is provided, and the functions of music switching or pausing, air conditioner control and the like can be realized through the sound control module; and the convenience is greatly improved.

A fitness treadmill is characterized by comprising a lifting handle, a detachable running device and a frame, a driving device and a driving wheel are arranged at the rear end of the frame, and a steering wheel is arranged at the lower end of the lifting handle; the driving device comprises a direct-current motor and a clutch, and the output end of the direct-current motor is connected with the clutch; a differential mechanism is arranged on the driving shaft and is connected with the clutch through a chain; the detachable running device comprises a mounting frame and foot driving wheels, and a plurality of foot driving wheels are arranged in the mounting frame from front to back; rotating gears sleeve rotating shaft ends, penetrating through the rotating shaft holes, of one sides of the foot driving wheels, and the rotating gears of the adjacent foot driving wheels are mutually connected through chains; a reversing gear is further rotationally arranged at the end of the rotating shaft of the foot driving wheel located at the rearmost end and connected with the reverser through a chain. A generator is further arranged in the detachable running device, and a rotating shaft on the other side of the foot driving wheel located at the foremost end is connected with the generator through a gear and a chain in a matched mode; the generator is electrically connected with the direct-current motor; and a running belt is wrapped outside the foot driving wheel.

The invention discloses a micro module based on a charging pile street lamp power supply intelligent adjustment technology, and relates to the technical field of charging pile street lamp power supply intelligent adjustment, and the micro module comprises a charging pile street lamp body, a solar power generation unit, a commercial power supply unit, an energy storage unit, an intelligent power supply management unit, an illumination control unit, a charging pile unit and a safety protection unit. The existing intelligent adjustment technology based on charging pile street lamp power supply generally lacks an efficient energy management mechanism, resulting in the problem of power resource waste or unbalanced distribution and the like. An intelligent power supply management unit and a safety protection unit carry out analysis control. The voltage and current fluctuation is monitored, so that the power supply stability of the power grid is guaranteed, and the energy consumption and loss in the power supply and charging process are reduced; besides, the intelligent management unit can rapidly switch power supply modes under abnormal conditions, so that the stability and the continuity of the system are ensured, and the reliability and the safety of the whole system are greatly improved.

The present invention relates to an on-board quick-change box assembly, an on-board quick-change battery assembly and a new energy vehicle. The on-board quick-change box assembly is used to connect a power battery system and a vehicle, and includes a shell; a high-voltage connection end, the high-voltage connection end is arranged on the shell, and the high-voltage connection end is used to connect the high-voltage connector of the power battery system; a low-voltage connection end, the low-voltage connection end is arranged on the shell, and the low-voltage connection end is used to connect the low-voltage connector of the power battery system; a quick-change connection end, the quick-change connection end is arranged on the shell, and the quick-change connection end is used to connect the power end of the vehicle, and the high-voltage connection end and the low-voltage connection end are respectively connected to the quick-change connection end. By using the on-board quick-change box assembly, the power battery system can be separated from the vehicle, and the charging time is saved and the cost of subsequent maintenance is reduced without changing the original battery system design.

The invention relates to the technical field of voltage sampling, and discloses a control circuit, method and control equipment for sampling voltage, the circuit comprises a sampling control circuit and a main circuit, the first end of the sampling control circuit is electrically connected with the first end of the main circuit, and the second end of the sampling control circuit is used for accessing a driving signal; the third end is used for being electrically connected with a battery management system, the second end of the main circuit is used for accessing a pre-charging switch signal, the fourth end of the sampling control circuit and the third end of the main circuit are both used for being grounded, and the pre-charging switch signal is received through the main circuit; the working mode of the main circuit is controlled according to the pre-charging switch signal; and executing a preset control operation on the sampling control circuit according to the working mode of the main circuit. It can be seen that before voltage sampling, the sampling control circuit can be pre-charged through the main circuit so as to improve the sampling current output by the sampling control circuit in the subsequent voltage sampling process, and therefore the voltage sampling speed can be improved, and the sampling time can be shortened.

The utility model discloses a heat dissipation adjustable flat plate shell, which belongs to the technical field of flat plate shells and comprises a shell body, a heat dissipation opening is arranged on the back face of the shell body, an inclined supporting plate is rotatably connected to the back face of the shell body, a fan is installed at the center of the inclined supporting plate, and negative pressure pipes which are symmetrical about the fan are fixedly connected inside the inclined supporting plate. And the surface of the fan is fixedly connected with storage rings which are oppositely arranged. By arranging the shell, the inclined supporting plate and the fan, when the tablet computer is used, the inclined supporting plate is turned over to achieve the inclined supporting effect on the shell, then the inclined supporting effect of the tablet computer is achieved, heat dissipation holes are opened at the same time, heat dissipation of the tablet computer is facilitated, in hot weather, the fan can be turned on, the heat dissipation efficiency of the tablet computer is improved, and the heat dissipation efficiency of the tablet computer is improved. By arranging an inclined supporting plate, a negative pressure pipe and a rubber ring, the inclined supporting plate is firmly adsorbed on a table top, so that the tablet computer can realize a charging function without occupying the table top.

The utility model relates to the technical field of bone conduction earphone magnetic attraction charging, in particular to a magnetic attraction and charging integrated bone conduction earphone charging assembly and a bone conduction earphone. The magnetic attraction and charging integrated bone conduction earphone charging assembly comprises a charging seat and a charging head, the charging seat comprises at least one first charging needle and at least one second charging needle, and the second charging needle is made of a magnetic metal material. The charging head comprises at least one third charging needle and at least one magnetic column, the outer surface of the magnetic column is plated with a metal layer, and the magnetic column is used for being matched with the second charging needle on the charging base in a magnetic attraction mode. According to the utility model, through the charging scheme that the second charging needle made of the magnetic material is used to replace a magnet, the first charging needle and the second charging needle are used to realize the charging function, the space occupation of the built-in magnet is reduced, and the magnet does not need to be placed in the earphone body, so that the shell of the bone conduction earphone does not need to increase the magnet avoiding thickness. And the machine body is smaller and thinner.

This invention provides a USB master-slave mode power hardware switching circuit for an industrial control board SOC, belonging to the field of embedded hardware circuit design technology. It includes: a first transistor, a second transistor, a third transistor, a first resistor, a second resistor, a third resistor, a fourth resistor, a fifth resistor, and a USB connector. The power pin of the USB connector is connected to the emitter of the first transistor, its collector is connected to the OTG detection pin through the fourth resistor, the detection pin is grounded through the fifth resistor, its base is connected to the collector of the second transistor through the second resistor, and its base is connected to the identification pin through the first resistor. The base of the third transistor is connected to one end of the third resistor, and its other end is connected to the identification pin. The emitter of the third transistor is connected to the board's power supply, and its collector is connected to the power pin of the USB connector. This invention integrates multiple functions such as program download, communication with a host computer, and USB flash drive data reading and writing on a single USB interface.

The utility model provides a vehicle charger cup holder with atmosphere lamp belongs to vehicle cup holder field, including cup holder body, charging assembly and atmosphere lamp subassembly, the surface of cup holder body is equipped with two and places the hole, the utility model discloses: install charging chip module in the inside of the plug -in post, the contact end of the tab terminal both sides of charging chip module bottom is outwardly protruding and is inserted in the inside of the reserved hole, when the plug -in post is inserted into the car lighter, the tab terminal is the power supply for charging chip module, the surface of cup holder body is equipped with the mounting hole, the USB TYPEA charging mouth and USB TYPEC charging mouth of the middle part of charging chip module surface installation, correspond to install in the mounting hole, through the fast charging protocol management chip processing output 3.6V~12V with fast charging negotiation adjustment to USB TYPEA charging mouth and USB TYPEC charging mouth, the charging electronic product is connected to USB TYPEA charging mouth or USB TYPEC charging mouth with the charging line and realizes the charging function, improves the practicality of cup holder.

The utility model discloses a kind of compatible charging electronic equipment, including a circuit board, overvoltage protection circuit, charging circuit and compatible circuit are equipped on the circuit board;The compatible circuit connects overvoltage protection circuit and charging circuit;The overvoltage protection circuit exports power supply voltage after overvoltage protection to the input voltage inputted from outside, compatible circuit is switched automatically between the output charging voltage after voltage reduction and output charging voltage according to the voltage of power supply voltage, and carries out anti-backflow protection;Charging circuit charges according to charging voltage.By control module voltage automatic identification and switch to corresponding module, select voltage reduction or directly output 5V charging voltage, different input voltage charging function can be realized, the problem that existing charging circuit cannot be compatible with different input voltage simultaneously is solved.

The present application provides a charging device, which relates to the technical field of electronic devices. In the present application, a shell assembly has a first end and a second end, and is used to carry and place a near-eye display device. The shell assembly is provided with a protrusion on one side, and a recessed portion on the other side. The shell assembly is provided with a receiving cavity, and the receiving cavity is located between the first end and the protrusion. A receiving groove is provided on the surface of the shell assembly, and the circuit system is installed on the shell assembly. The circuit system includes a first electrical interface provided in the receiving groove. When a near-eye display device is placed on the shell assembly, the receiving groove is used to accommodate the device body of the near-eye display device, and the receiving cavity is used to accommodate the optical waveguide lens of the near-eye display device. The first electrical interface is electrically connected to the device body to charge the near-eye display device. The present application can realize the function of the shell assembly carrying and placing the near-eye display device and the charging function. In addition, it can facilitate the miniaturization of the charging device and enhance the appearance expression of the product.

The utility model provides a charging and discharging system and a power device of an open winding motor, and the charging and discharging system comprises a battery unit and an inverter unit which are connected with each other, and the inverter unit comprises a first converter and a second converter which are connected to the two ends of a three-phase stator winding of the open winding motor. The first converter and the second converter are of a three-phase three-bridge-arm structure; a bridge arm circuit unit and a transformer are further arranged, the direct-current end of the bridge arm circuit unit is connected with the battery unit, the alternating-current end of the bridge arm circuit unit is connected with a secondary winding of the transformer, and a primary winding of the transformer is connected with alternating current input. The charging and discharging system is high in integration degree, an independent charging unit is omitted, and the charging requirements of electric cars with different voltage platforms can be met.

The invention discloses an automatic guided vehicle charging device which comprises a charging pile and a vehicle-mounted charging device. Wherein an upper-layer electrode plate and a lower-layer electrode plate are arranged around the charging pile, the upper-layer electrode plate is connected with a positive electrode of a power supply through a wire, and the lower-layer electrode plate is connected with a negative electrode of the power supply through a wire; the vehicle-mounted charging device is provided with a first electrode plate and a second electrode plate, the first electrode plate is attached to an upper-layer patch of the vehicle-mounted charging device and connected with a positive electrode of a battery of the automated guided vehicle, and the second electrode plate is attached to a lower-layer patch of the vehicle-mounted charging device and connected with a negative electrode of the battery of the automated guided vehicle. A baffle on one side of a protective shell of the vehicle-mounted charging device makes contact with a charging pile ring shell, the protective shell moves along a guide groove under the action of external force, a spring and a guide rod, and a first electrode plate and a second electrode plate are exposed; and the automatic guide trolley continuously moves until the first electrode plate is connected with the upper-layer electrode plate and the second electrode plate is connected with the lower-layer electrode plate, so that the charging connection action is completed, and the charging function is realized.

This utility model discloses an electrical connector assembly, including a female connector and a male connector. The female connector includes a female body, several female terminals fixed to the female body, and a female housing housing the female body. The female body has a mating cavity recessed inward from its front end. The male connector includes a male body, several male terminals fixed to the male body, and a male housing supporting the male body. The male body is housed within the mating cavity. The female terminals have sheet-like elastic arms fixed to the inner peripheral wall of the mating cavity, and the male terminals have sheet-like contact arms exposed to the outer peripheral wall of the male body. Both the elastic arms and the contact arms are evenly arranged circumferentially, and the elastic arms have contact portions protruding radially inward into the mating cavity. When the male connector is screwed onto the female connector, the contact portions of the female terminals elastically abut against the contact arms of the male terminals, allowing the portable device to be stably fixed inside the vehicle and enabling the charging function of the portable device.

The utility model discloses a multipath double-open anti-electric shock protection device based on electric vehicle charging and discharging, and relates to the technical field of electric vehicles, the multipath double-open anti-electric shock protection device based on electric vehicle charging and discharging comprises a control box, the control box is provided with a protection mechanism for protecting the control box, and the protection mechanism is provided with an electric shock protection mechanism for protecting the control box. The protection mechanism comprises a plug, a socket, a gun head and a three-pole double-throw switch, the three-pole double-throw switch is located between the control box and the gun head, the three-pole double-throw switch and the control box are connected through an L-OUT line and an N-OUT line, and the plug and the control box are connected through an L line and an N line. By arranging the discharge selection resistor, the charging speed of the battery or the capacitor can be controlled, too fast or too slow charging can be avoided, the service life of the battery or the capacitor can be prolonged, and the battery or the capacitor can be prevented from being overcharged by selecting a proper resistance value through the proper discharge selection resistor.

The invention provides an intelligent control display station for engineering machinery. The intelligent control display station comprises an upper cover, a lower cover, a key board, a key circuit board and a display, wherein the key board, the key circuit board and the display are mounted on the upper cover; the cover adopts a light guide cavity structure to realize no optical crosstalk, and adopts an external USB interface to realize intelligent upgrading and charging functions; the key panel, the metal plate mounting plate, the pressing rivet stud and the upper cover are assembled and connected through internal screws, a screw-free state of the appearance is achieved, and the mounting plate and the upper cover are pressed through the polyurethane foaming adhesive tape to achieve a high protection level. The direction knob, the speed knob and the handle are installed on the control console surface, the state can be displayed through the intelligent displayer, the displayer protection cover can be turned over at any angle through the damping gasket, and the protection cover and the upper cover are opened and closed through the cylindrical buckle.

The present invention relates to the field of bicycle technology, and more specifically to an intelligent bicycle light with adjustable brightness, comprising a housing, a photosensitive mechanism, an operating mechanism, a charging mechanism, a shock absorbing mechanism, a quick-connect mechanism and a fixing mechanism; the photosensitive mechanism comprises a photosensitive groove, a light sensor and a first transparent plate; the photosensitive groove is arranged at the top of the housing along the height direction of the housing; the light sensor is fixedly arranged at the bottom of the photosensitive groove; and the first transparent plate is fixedly arranged at the upper part of the housing provided with the photosensitive groove. By arranging the photosensitive groove, the light sensor and the first transparent plate, the present application realizes that the bicycle light can automatically adjust the brightness according to the sky light while ensuring the technical requirement of its simple structure.

The invention discloses a DC configurable power load test method and device based on inverter technology, belonging to the technical field of new energy technology, comprising: determining a loading power mode; setting power according to a module, and sending corresponding information to a power management module; the power management module enters a load mode, simulating a constant voltage or constant current load process of a battery pack on a charging pile; in the charging process, receiving information from a front-end interaction module in real time, and the power management module performs input and output power calibration through meter data; the inverter load module determines the load state according to the collected DC information output by the charging pile and performs corresponding processing; the DC configurable power load test method and device based on inverter technology utilize the power management module design to complete the design of an electric vehicle simulated battery load end, realize the adjustment process of the electric vehicle load charging power, improve the flexibility of the system from the hardware aspect, and make the output power detection of the vehicle charging pile more flexible.

The application relates to the technical field of vehicle-mounted tools, and provides a vehicle-mounted flashlight assembly and a vehicle. The vehicle-mounted flashlight assembly comprises a flashlight body and a storage charging part arranged on a base component in a vehicle cabin. A charging socket is arranged on the tail end surface of the flashlight body. The storage charging part comprises a storage groove formed on an external plate body of the base component and a charging unit arranged in the base component. Corresponding to the charging socket, charging pins are arranged on the bottom plate body of the storage groove and connected to the charging unit. The flashlight body can be inserted into the storage groove, and the charging pins are in plug connection with the charging socket. The vehicle-mounted flashlight assembly can realize the connection of a charging circuit when the flashlight body is placed in the storage groove, facilitates the charging of the flashlight body, and is beneficial to improving the use convenience of the vehicle-mounted flashlight in terms of taking, placing and charging.

The utility model discloses a lithium battery charge -discharge management system based on kinetic energy recovery, its characterized in that, including kinetic energy recovery power generation module, external quick charging module, lithium battery management module, external discharge module and user interactive module, kinetic energy recovery power generation module and external quick charging module are connected with lithium battery management module through charging switch and selection circuit, lithium battery management module is connected with external discharge module through discharge switch circuit, user interactive module inputs control signal to charging switch and selection circuit, discharge switch circuit and external discharge module, realizes man -machine interaction, kinetic energy recovery power generation module includes permanent magnet synchronous motor, rectifier circuit and kinetic energy recovery intensity intelligent regulation and control circuit, the utility model realizes the function that charges with the fluctuation high voltage power supply that permanent magnet synchronous motor kinetic energy recovery generates.