749 results about "Inductive charging" patented technology

A power supply circuit and a power supply device, and the power supply circuit includes a bridge switching circuit, a transformer, a resonant circuit, a rectifier circuit. The bridge switching circuit, the transformer, the resonant circuit, and the rectifier circuit are sequentially connected in series. The resonant circuit includes an induction coil connected in series between the transformer and the rectifier circuit. In the case that the inductive coil is connected in series in the circuit, the inductive coil can participate in conductive charging as an inductor in the resonant circuit. Further, the inductive coil can also receive the inductive voltage wirelessly transmitted by the external circuit through electromagnetic induction, and the inductive voltage can be transmitted to the load through the rectifier circuit to achieve inductive charging.

A wireless charger includes an upper housing assembly, a lower housing assembly, a magnetic coil, and a heat sink ring. The upper surface of the lower housing assembly has a groove structure, which is coupled to the upper housing assembly to form a cavity structure. The cavity structure houses the magnetic coil and the heat sink ring. The heat sink ring is nested within and in contact with the magnetic coil. The upper surface of the heat sink ring is coupled to the upper housing assembly. The lower surface of the heat sink ring is coupled to the bottom of the groove structure of the lower housing assembly. When heat from the electronic device is transferred to the upper housing assembly, the heat sink ring can transfer the heat from the upper housing assembly to the bottom of the lower housing assembly, increasing the heat dissipation area of ​​the electronic device and improving the heat dissipation capacity of both the wireless charger and the electronic device.

1. The name of the design product: wireless charger (HT-577-579). 2. The use of the design product: a wireless charger for charging electronic products. 3. The design points of the design product: in the shape of the product. 4. The picture or photo that best indicates the design points: Design 1 perspective view 1. 5. Design 1 is designated as the basic design.

The application provides a static wireless charging auxiliary alignment positioning device and a positioning method. The device comprises a transmitting end device and a receiving end device. The transmitting end device comprises a wireless transmitting plate and a charging pile. The wireless transmitting plate is integrated with a transmitting end power coil, a three-dimensional Hall sensor array and an infrared distance measuring module. The charging pile is internally provided with a servo motor adjusting mechanism, a control unit and a first communication module. The receiving end device comprises a heterogeneous permanent magnet array integrated in a wireless receiving plate, a receiving end power coil and a second communication module. The heterogeneous permanent magnet array is arranged at the periphery of the receiving end power coil. The second communication module is connected with the first communication module through wireless communication. The transmitting end power coil is resonantly matched with the receiving end power coil. The application significantly improves the positioning accuracy and system robustness, and can adapt to the chassis height of different vehicle models to ensure the efficiency and stability of wireless charging.

The utility model discloses an unmanned plane intelligent base station for mine low altitude inspection, including electrical box and cabin, the periphery of electrical box is provided around cabin, and is fixed on the peripheral wall of electrical box, one tray that rotates around electrical box is installed in the cabin close to the bottom side, and the tray is driven with drive arrangement and thus realizes automatic rotation, a plurality of parking aprons are arranged on the tray at equal angles, and the center of the parking apron is embedded with the charging coil assembly of wireless charging device, and the baffle ring is arranged in the parking apron, the top of cabin is provided with the automatic sealing door of upper opening in the position of one of the parking apron, the top of cabin is installed with RTK reference station, is located in the different position of cabin inner wall, and a plurality of UWB anchor point equipment are installed with different height dispersion, the utility model discloses the cabin of surrounding structure, the tray of rotation type, can load multiple unmanned planes at a time, and the utility model discloses the mode of taking turns charging can realize the sustained patrol of unmanned plane to mine low altitude through the group flying.

Embodiments of the present invention disclose a hand-held therapy device and a therapy system. The hand-held device includes a housing having an end face, a side face, and an inclined treatment surface extending between the end face and the side face, a light-transmitting area on the treatment surface, and a phototherapy component disposed in a receiving cavity and aligned with the light-transmitting area to emit therapeutic light. A mounting structure on the housing detachably receives a care-product container. The device incorporates one or more stimulation elements and a battery with a wireless charging coil. The therapy system includes a charging base defining a slot, a second charging coil aligned with the first coil for inductive charging, and a shielding portion that covers the treatment surface during charging.

This utility model belongs to the field of shared power bank technology, specifically relating to a voice-interactive shared power bank. The shared power bank's outer shell incorporates interactive and fixing components, integrating intelligent interaction and convenient charging. The interactive components include a waterdrop screen, a voice interaction module, and a network module, enabling voice-guided rental and cabinet location via a cloud database. The waterdrop screen, combined with a recessed button, supports reading during power outages. A wireless charging coil and magnetic plate provide magnetic fast charging for easy operation. The fixing component adopts an L-shaped structure, using a combination of T-slots, silicone strips, and rotating blocks to securely hold the phone when the user moves. The outer shell has a speaker hole and charging port on the side, an input interface on the bottom, and anti-collision pads on opposite sides to cushion impacts, enhance stability, and ensure the device's safety and durability.

A coil structure applied in the field of wireless charging comprises a circuit board and a conductor. The conductor is arranged on the circuit board. The conductor comprises a plurality of coil turns, an input terminal, an output terminal, and a plurality of first capacitor structures. The coil turns are formed around a center point. The input terminal is connected to a one terminal of the coil turns. The outlet terminal is connected to another terminal of the coil turns. Each of the first capacitor structures is arranged on a corresponding one of the coil turns. Distance between the first capacitor structures and the output terminal is smaller than a distance between the first capacitor structures and the input terminal, and the first capacitor structures do not overlap with the output terminal.

This application relates to the field of electronic circuit technology, and in particular to a wireless charging and discharging circuit, chip, and electronic device. The wireless charging and discharging circuit includes: a charging receiving coil, a charging transmitting coil, a first resonant compensation circuit, a second resonant compensation circuit, a first isolating switch, a second isolating switch, a first bootstrap circuit, a second bootstrap circuit, and a charging control chip. The first end of the charging transmitting coil is connected to the first control pin of the charging control chip, and the first end of the charging receiving coil is also connected to the first control pin of the charging control chip. The wireless charging and discharging circuit provided in this application replaces the two wireless charging chips in related technologies with a structure consisting of a charging receiving coil, a charging transmitting coil, and a charging control chip, enabling wireless charging of electronic devices and reverse wireless charging of styluses, thus saving on hardware costs.

The utility model discloses a three in one wireless charger, include: charging base, first charging subassembly, second charging subassembly, third charging subassembly and power module, and charging base includes first charging area, second charging area and first installation socket, first charging subassembly includes connecting rod and first wireless charger, and the first end of connecting rod is installed in first installation socket, and first wireless charger is installed in the second end of connecting rod, second charging subassembly is installed in first charging area, third charging subassembly is installed in second charging area, and power module is installed in charging base, and power module includes the power supply port of being connected with external power, and power module is connected with first charging subassembly, second charging subassembly and first wireless charger respectively, the utility model provides a three in one wireless charger, can carry out wireless charging for multiple electronic equipment simultaneously.

According to embodiments of the present application, a wireless charging control method of a wireless charging control device for an electric vehicle in motion, the method comprising the steps of: a first control unit detecting that the electric vehicle enters a first zone; the first control unit obtaining vehicle information of the electric vehicle; the first control unit sending the vehicle information of the electric vehicle to a second control unit; the first control unit controlling feeding of a plurality of ground assemblies arranged in the first zone; and the second control unit controlling feeding of a plurality of ground assemblies arranged in a second zone, wherein: each of the step of the first control unit controlling feeding and the step of the second control unit controlling feeding comprises a first input voltage interval, a second input voltage interval and a third input voltage interval executed in sequence; within the first input voltage interval, the input voltage increases over time, and within the third input voltage interval, the input voltage decreases over time; and the first input voltage interval, the second input voltage interval and the third input voltage interval of the second control unit follow the first input voltage interval, the second input voltage interval and the third input voltage interval of the first control unit.

A system for magnetic reorientation is provided to secure and align devices during wireless charging. The system comprises a first device and a second device. The first device includes a power transfer coil configured to transfer power inductively between the first device and the second device; and one or more dock magnets configured to align and secure the second device to the first device during power transfer, wherein the one or more dock magnets are configured to provide reorientation of magnetic polarity based on a magnetic polarity orientation of one or more device magnets located in the second device. The first device is compatible with a plurality of device types including a first device type having a first magnet orientation and a second device type having a second magnet orientation, and the one or more dock magnets are configured to reorient based on the magnet orientation of the first device.

Method for positioning a vehicle (10) having a secondary resonant circuit over a base plate (3) having a primary resonant circuit for inductively charging a vehicle battery (13), wherein the primary coil (4) of the primary resonant circuit and the secondary coil (11) of the secondary resonant circuit are to be positioned on top of each other within a predetermined deviation, wherein several transmitting antennas (S1, S2, S3, S4) are installed in the base plate (3), the extent of which along one axis is greater than along an axis perpendicular to it, and wherein at least one receiving antenna is arranged in the vehicle (10), wherein each transmitting antenna (S1, S2, S3, S4) is connected to a signal generation unit and generates a magnetic field with a predetermined frequency, which is received by the receiving antenna, and an evaluation unit connected to the receiving antenna is designed to evaluate the voltage and / or the current flowing at the receiving antenna with respect to magnitude and phase and, by comparing its course as the vehicle (10) approaches the base plate (3) with predetermined values, to generate signals that indicate the deviation of the actual position of the vehicle (10) from a target position, wherein each transmitting antenna (S1, S2, S3, S4) is formed with a resonant circuit and to deactivate a transmitting antenna (S1, S2, S3, S4) the resonant circuit is detuned.

The embodiment of the application relates to the technical field of wireless charging, and discloses a cover plate and communication equipment, the cover plate comprises a cover plate body, a wireless charging module and a covering film, the cover plate body is provided with an accommodating window, the wireless charging module is embedded in the accommodating window, the wireless charging module comprises a charging coil and a shielding layer, the shielding layer is arranged below the charging coil and is stacked with the charging coil, the shielding layer is tightly embedded with the inner wall of the accommodating window, and the covering film is arranged above the accommodating window and covers the wireless charging module. In the above manner, the distance between the charging coil in the wireless charging module and an external transmitting end can be greatly shortened, and the electromagnetic coupling strength of the system is effectively improved.

The utility model relates to 3C accessory technical field, concretely relates to a mobile power supply. Mobile power supply includes main part and wireless charging panel, and the main part top has the top mounting cavity, and the top mounting cavity installs first wireless charging module group, and the first wireless charging module group upper cover is equipped with the upper cover, be provided with second wireless charging module group in wireless charging panel, the side edge of upper cover is equipped with the connecting opening, and the connecting opening is equipped with the pivot, and the side of wireless charging panel is equipped with the rotary connecting piece, and the rotary connecting piece is connected with the pivot damping rotation, the first side of the side that the rotary connecting piece is at in wireless charging panel is provided with the recess for avoiding, and the recess for avoiding extends along the first side and sets up. Rotating wireless charging panel, wireless charging panel can cover on the upper cover, or rotates and stands up from the upper cover.

1. Name of the product in this design: Universal clamping device for wireless charging (set). 2. Purpose of this design: to clamp a mobile phone and enable wireless charging. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the key design points: Design 1 3D view. 5. Design 1 is designated as the basic design.

The application relates to the technical field of energy storage devices, in particular to a wireless charging device and an energy storage device. The wireless charging device is used for being installed at an opening of a shell of a to-be-connected device, and comprises a mounting cover, a wireless charging module and a movable supporting assembly; the mounting cover is used for being fixedly assembled to an inner wall of the shell and covers the opening; the wireless charging module is accommodated in the opening and movably connected to the mounting cover, and a signal emission surface of the wireless charging module is exposed by the opening; the movable supporting assembly is connected to the mounting cover and the wireless charging module; when the wireless charging module accommodated in the opening is pressed, the movable supporting assembly is used for supporting the wireless charging module to move upward relative to the mounting cover, so that the wireless charging module moves to a first position where the signal emission surface exceeds the opening. In the above manner, when the signal emission surface is close to the to-be-charged device, the protruding part of the to-be-charged device can avoid the shell, and the problem that the to-be-charged device cannot be close to the signal emission surface of the wireless charging module is solved.

This application provides a wireless charging system, a wireless charging device, and related methods, applicable to the field of wireless charging technology. The wireless charging base includes a charging panel, a charging module, a temperature sensor, and a control unit. The charging panel supports a mobile device, forming a first space between the mobile device and one end of the charging panel. The temperature sensor detects the temperature of the first space and sends the temperature data to the control unit. The charging module wirelessly charges the mobile device via the charging panel. The control unit controls the operating state of the charging module based on the temperature data. By using a temperature sensor, the local temperature of the first space can be detected in real time. When a metallic foreign object generates abnormal heat due to induced current, the control unit can promptly adjust the charging module's state, effectively preventing safety risks caused by localized overheating.

A wireless charging method, a transmit end device (40), and a wireless charging device (10, 20, 30) are provided. A charging process between the transmit end device (40) and the wireless charging device (10, 20, 30) may be a cyclic process. To be specific, the transmit end device (40) sends an electromagnetic wave signal to the wireless charging device (10, 20, 30) for charging. The wireless charging device (10, 20, 30) uses a part of the electromagnetic wave signal for charging, feeds back the other part of the electromagnetic wave signal to the transmit end device (40) for amplification, and then uses an amplified electromagnetic wave signal to charge the wireless charging device (10, 20, 30). In this way, the transmit end device (40) and the wireless charging device (10, 20, 30) can reach a stable power range to perform wireless charging, so that charging performance is improved.

The present application relates to the technical field of wireless charging, and particularly relates to a safety interlocking system for infrared laser long-distance wireless charging; through cooperation of spatial distribution of multiple photodiodes and hardware structure, when the light path is invaded by foreign matters, the control circuit can quickly cut off the high-power laser output, and the three-dimensional layout eliminates the spatial blind area of single-point detection, the polarization discrimination element in the transmitting end device and the phase delay element in the receiving end device are combined to construct an optical encryption closed loop, only the light received by the sensor after being inversely reflected to the receiving end rotatable polarization state is allowed, the in-phase polarized light reflected by ordinary mirror foreign matters is effectively blocked, the risk of mirror deception reflection attack in the high-power scene is greatly reduced, and through the pure hardware phase-locked loop frequency decoding circuit, only the reflected light output logic level carrying the preset modulation frequency is output, direct current and low-frequency interference of sunlight and illumination light sources are filtered from the physical layer.

A wireless charging parking space recommendation method is disclosed. The method includes: When a vehicle enters a parking lot, vehicle information is reported to the parking lot. A parking lot server compares and matches the vehicle information with pre-stored wireless charging parking space information, and comprehensively determines, based on the vehicle information, whether an available charging parking space exists in the current parking lot, selects an optimal parking space, and pushes a path to the optimal parking space and a parking manner to a vehicular device. A server, a vehicular device, a system, a vehicle, a computer-readable storage medium, a computer program product, a control unit, and a chip are also disclosed.

Provided are a wireless charging base and a charging system of automatic snow sweeping equipment. The wireless charging base comprises a mounting component and a charging component, an upper end face of the mounting component and a support surface of the wireless charging base are oppositely arranged at a preset included angle, or, the upper end face of mounting component has a first side and a second side, and the distance between the upper end face and the support surface gradually increases from the first side to the second side, so as to be suitable for automatic snow sweeping equipment to move from the first side to the second side.

The utility model discloses a cup cover integrated with support function and wireless charging function, including cover main part and set up in the top of cover main part's support main part, one end of support main part is connected in cover main part, be provided with main control circuit board and the battery of electric connection in cover main part in, be provided with wireless charging transmitting coil and the magnet of the outer periphery of wireless charging transmitting coil of electric connection with main control circuit board in support main part, to make the top surface of support main part form electronic equipment fixed position. Make support main part have support function and wireless charging function simultaneously, and arrange main control circuit board and battery reasonably in cover main part, will not increase the weight of support main part additionally, avoid the cup cover to dump to make the wireless charging function to arrange reasonably in cup cover, and the structure design is ingenious.

The utility model relates to an unmanned plane technical field, and disclose a kind of vehicle-mounted automatic patrol unmanned plane, including flight component, flight component is equipped with lifting type wireless charging component, top protection component and inspection component, flight component includes unmanned plane host body, and unmanned plane host body periphery is equipped with multiple connecting arms, and the end of connecting arm away from unmanned plane host body is equipped with rotor assembly, and the bottom of rotor assembly is equipped with damping support;Flight power is provided by rotor assembly, and damping support is buffered and damped when landing, and unmanned plane is protected.The utility model is lifted by using electric guide rail to drive electric lifting platform, so that wireless induction charger can be automatically docked with vehicle-mounted charging area, realize wireless charging, without manual operation, improve the convenience and automation degree of charging, and then improve the patrol efficiency.

The application discloses a wireless charging module detection device, a production line and a production process, and relates to the technical field of wireless charging module detection devices. The wireless charging module detection device comprises a rotating disc, a plurality of first carriers are circumferentially distributed on the rotating disc, the first carriers are used for carrying wireless charging modules, and the outer side of the rotating disc is sequentially provided with a feeding device, a height measuring group, an electrical measuring group and a discharging device along the rotating direction of the rotating disc. The feeding device is used for carrying the wireless charging modules to be detected to the first carriers. The height measuring group comprises two groups of distance measuring sensors, the two groups of distance measuring sensors are respectively used for detecting the height of the upper surface of a coil assembly and the upper surface of a magnetic plate of the wireless charging module, and the difference between the detection values of the two groups of distance measuring sensors is the height of the coil assembly on the magnetic plate. The electrical measuring group is used for detecting the electrical characteristics of the wireless charging module. The discharging device is used for discharging the wireless charging module on the first carrier. The height measuring group and the electrical measuring group replace manual height measurement and electrical characteristic detection, which is beneficial to improving the detection efficiency and the detection precision.

The present disclosure relates to wireless power systems with charging alerts. A wireless power system has a first electronic device and a second electronic device. The first electronic device can receive power from an alternating current-direct current power converter. A magnetic sensor and / or other sensing circuitry can detect when the second electronic device is attached to the first electronic device. In response to detecting device attachment and receiving power from the power converter, the first electronic device sends a test wireless power signal to the second electronic device. During receipt of the test signal, the second electronic device adjusts a ballast load so that output current from a rectifier in the second electronic device flows through the ballast load. The output of the rectifier is measured and compared to a threshold voltage. If the rectifier output voltage exceeds the threshold, the first electronic device is instructed to alert a user that wireless charging of the second electronic device is starting.

1. Name of the product in this design: Integrated Multifunctional Wireless Charger (CYJ-53). 2. Purpose of this design: for wireless charging of electronic devices, and also includes Bluetooth speaker functionality. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D view 1.

The utility model belongs to the collapsible rear row handrail screen of automobile parts technical field. Including folding support (1), folding support (1) bottom swing joint folding rod spare one end, folding rod spare other end swing joint base (2), folding support (1) bottom is provided with the gap, and the gap is swing connected with the turnover stopper. The recess (3) on the base (2) is arranged with the wireless charging module (4). The collapsible rear row handrail screen, simple structure can adjust rear row handrail screen angle conveniently, and can be taken down and operated separately, is embedded in the rear row handrail after being collected, and the occupied space is reduced.

A power supply circuit and power supply equipment are disclosed. The power supply circuit includes a bridge switching circuit, a transformer, a resonant circuit, and a rectifier circuit. The bridge switching circuit, transformer, resonant circuit, and rectifier circuit are connected in series. The resonant circuit includes an induction coil connected in series between the transformer and the rectifier circuit. With the induction coil connected in series in the circuit, the induction coil can both act as an inductor in the resonant circuit to participate in conductive charging, and simultaneously, the induction coil can receive an induced voltage wirelessly transmitted from an external circuit through electromagnetic induction. This induced voltage can be transmitted to the load through the rectifier circuit to achieve inductive charging.