163results about How to "Fast charging" patented technology

The invention discloses a pavement adaptive to a magnetic resonance type dynamic wireless charging system as well as a construction process, a lane and application of the pavement, and belongs to the field of road engineering and road infrastructures. The pavement comprises a lower surface layer, a middle surface layer and an upper surface layer, wherein an input power line of the magnetic resonance type dynamic wireless charging system is distributed on the surface of the middle surface layer, and then a synchronous broken stone sealing layer is adopted to ensure that the input power line is completely embedded; the middle of the upper surface layer is made of pouring asphalt concrete, and two sides are made of wear-resistant asphalt concrete; a transmitting coil of the magnetic resonance type dynamic wireless charging system is embedded in the pouring type asphalt concrete, and the transmitting coil is connected with an input power line. The mechanical compatibility performance of the transmitting coil and the road surface is improved through the special road surface design, the charging efficiency is greatly improved by cooperating with the control system to optimize electric energy input, wireless charging of the vehicle in the high-speed advancing process is finally achieved based on the magnetic resonance coupling principle, and the wireless charging device has the convenient construction technology and the excellent road performance.

The invention discloses an intelligent charger data adjusting system and method based on artificial intelligence, and belongs to the technical field of charger adjustment. When a charger starts to work, charging information and basic information of a charging terminal are collected, and the charging information and the basic information of the charging terminal are preprocessed; according to the basic information of the charging terminal, analyzing the power consumption condition of the charging terminal, forming a battery health state evaluation set, and evaluating the battery health state of the charging terminal; calculating the maximum charging power of the charging terminal, dividing the real-time residual electric quantity of the charging terminal into range intervals, and constructing a charging power distribution model of the charging terminal; the charging power of the charging terminal is adaptively adjusted, the charging terminal is monitored in real time, and abnormal conditions are prompted and subjected to safety adjustment. The evaluation accuracy of the battery health state is improved, the safety of the battery is guaranteed, and the service life of the battery is prolonged.

The invention discloses a quick-charging unmanned aerial vehicle nest charging method and a charging system thereof. The charging system comprises a micro-control processing module, a charging output module and a feedback detection module. Real-time charging data and battery data of a target unmanned aerial vehicle in the charging process are collected through the feedback detection module, fuzzy control parameters are obtained through the micro-control processing module, and based on the fuzzy control parameters and feedback input variables, a fuzzy logic control algorithm is adopted to carry out data processing on the feedback input variables; according to the fast charging unmanned aerial vehicle nest charging system and the charging method thereof, the charging current value of the target unmanned aerial vehicle at the next moment is obtained, a charging control instruction is generated based on the charging current value, finally, the charging control instruction is responded through a charging output module, and charging output is correspondingly carried out on the target unmanned aerial vehicle in the unmanned aerial vehicle nest. The non-linear charging process of the unmanned aerial vehicle can be accurately controlled, and rapid charging is achieved.

The invention relates to the technical field of distribution line inspection, and discloses a distribution line unmanned aerial vehicle nest operation coverage capability evaluation method, which comprises the following steps: S1, planning a geographic information system and an unmanned aerial vehicle route; s2, a multi-mode positioning system; s3, dynamic communication priority adjustment; s4, optimizing the charging rate and the battery; s5, induction charging technology; s6, optimizing the route of the unmanned aerial vehicle; s7, performing unmanned aerial vehicle nest operation strategy and task allocation; s8, application of machine learning and artificial intelligence technologies in coverage capability evaluation; s9, performing real-time fault detection and early warning; the geographic information system and unmanned aerial vehicle route planning comprises the step of acquiring topographic features, building distribution and other information by using the geographic information system. By means of a geographic information system, route planning, multi-mode positioning, dynamic communication priority adjustment and the like, operation and maintenance cost can be reduced, existing resources and technologies are fully utilized, and efficiency, safety and reliability of the unmanned aerial vehicle in distribution line inspection and maintenance work are improved.

The invention relates to the technical field of logistics storage, and discloses a heavy-load storage robot charging pile which comprises a base and a clamping and butt-joint assembly, the clamping and butt-joint assembly is arranged on the base, a lifting plate is fixedly mounted at the bottom of the clamping and butt-joint assembly, lifting guide rods are slidably mounted at the two ends of the lifting plate, and translation plates are fixedly mounted at the bottoms of the lifting guide rods; a translation guide rod is fixedly mounted at the bottom of the translation plate, fixed middle plates are fixedly connected to the two ends of the translation guide rod, and the fixed middle plates are fixedly connected with the base; the clamping butt joint assembly comprises a convex joint and a concave joint, a butt joint guide rod is fixedly arranged at the tail of the convex joint, the butt joint guide rod is connected with a clamping pressing plate in a sliding mode, and a limiting switch sinker bar is further arranged on the clamping pressing plate; according to the invention, automatic centering butt joint of the charging gun head and the charging lead is realized, and the charging gun head and the charging lead are inserted more tightly in combination with the left-right and up-down self-correction effect of the buffer seat made of the damping material, so that the contact resistance is reduced, and large-current charging is ensured.

The utility model provides a battery pack charging system, and belongs to the technical field of battery pack charging. The battery pack charging system comprises a reference voltage module, a comparison module, a charging mode switching module, a charging control module and a voltage detection module, the reference end of the comparison module is connected with the reference voltage module, the output end of the comparison module is connected with the input end of the charging mode switching module, the output end of the charging mode switching module is connected with the control end of the charging control module, and the output end of the charging control module is connected with the battery pack; the input end of the voltage detection module is connected with the feedback end of the charging control module. The output end of the voltage detection module is connected with the input end of the comparison module. And the charging mode switching module is configured to switch the charging mode of the battery pack according to the electric signal output by the comparison module. The charging efficiency of the battery pack can be improved.

The present disclosure relates to a battery structure and an electronic device. The battery structure comprises a battery circuit board and two battery modules. The two battery modules are symmetrically arranged on both sides of the battery circuit board and connected with the battery circuit board. The first end of each flexible circuit board is connected with the battery circuit board, and the second end of each flexible circuit board is arranged to be connected with the mainboard of the electronic device. The first heat dissipation member is located between the two battery modules and is connected with the battery circuit board and the middle frame assembly of the electronic device. In the present disclosure, the plurality of flexible circuit boards are connected with the battery circuit board, and the plurality of flexible circuit boards simultaneously charge the battery modules to realize a fast charging mode, reduce the impedance of each flexible circuit board, and effectively reduce the heat generated by each flexible circuit board. The first heat dissipation member is connected with the battery circuit board and the middle frame assembly of the electronic device, respectively, conducts the heat in the battery circuit board to the middle frame assembly, and further dissipates heat for the battery structure.

An amplifier circuit and a switched capacitor circuit are provided. In an FIA (1), a series circuit of FET (2), capacitor (3), and FET (4) is connected between the power supply and ground. The series circuit of FET (12) and FET (13) is connected between the drain of FET (2) and the high-potential side terminal of the input differential pair (5), and the series circuit of FET (14) and FET (15) is connected between the drain of FET (4) and the low-potential side terminal of the input differential pair (5). The positive-side switch (10) and negative-side switch (11) of FET (4) and the input differential pair (5) are driven by a first clock signal, and FET (15) is driven by a second clock signal that is inverted by the first clock signal. FET (2) is driven by the inverted signal of the first clock signal, and FET (13) is driven by the inverted signal of the second clock signal. The gates of FET (12) and FET (14), which have opposite polarities, are connected to the common-mode voltage terminal (V). cm ).

The invention relates to the technical field of batteries, in particular to a negative electrode active material, a secondary battery and electric equipment.The negative electrode active material has the advantages that under the combined action of metal sulfide distributed in pores of a carbon matrix and a shell layer which is distributed on the surface of the carbon matrix and contains non-metal vanadium compounds, the negative electrode active material is formed; according to the present invention, the specific capacity and the rate capability of the negative electrode active material can be significantly improved, the compaction density of the pole piece can be easily improved, the structural stability of the battery can be significantly improved, the rapid charging and discharging can be achieved, the battery capacity attenuation under the high rate condition can be slowed down, and the cycle life can be prolonged.

The utility model discloses an integrated charging socket for overlarge current, which relates to the field of alternating current and direct current charging sockets and comprises a panel, a rear cover mounted on the panel, a direct current charging module and an alternating current charging module integrated on the panel on the rear cover, and the alternating current charging module comprises a plurality of cable lead-in terminals and loop terminals. The cable lead-in terminal is connected with an external lead-in cable, the cable lead-in terminal comprises a copper pipe and an insulating cap, the insulating cap is injection-molded in the copper pipe to form a rubber coating integrated structure, the direct current charging module comprises a direct current charging shell, an aluminum bar and a direct current terminal, the direct current terminal is arranged in the direct current charging shell, the direct current charging shell is connected with a panel, and the panel is connected with the aluminum bar. The direct current charging shell is provided with a plurality of aluminum bars, the aluminum bars are longitudinally installed, the aluminum bars are connected with the direct current terminals one by one, the loop terminals and the direct current terminals are all of a rubber coating integrated structure, larger current can pass through the direct current charging shell, the charging speed is increased, the structural strength of the terminals is improved, and the risk that a split type insulation cap is broken and falls off in the assembling process is avoided.

The virtual-real interactive digital display cabinet comprises a cabinet body, an interactive display assembly is arranged at the top of the cabinet body, a lifting mechanism is arranged in the cabinet body, a cabinet door is installed on the rear side of the cabinet body, an opening and closing mechanism is arranged on the rear side of the cabinet body, and the opening and closing mechanism comprises an opening and closing assembly and a control assembly. Comprising a sliding rail and a guide plate which are installed on the inner wall of a cabinet body, the surface of the sliding rail is slidably connected with a sliding plate, a sliding groove is formed in the surface of the sliding plate, and the inner surface of the sliding groove enables a clamping rod to slide through a transmission assembly. According to the virtual-real interaction type digital display cabinet, through the arrangement of the opening and closing mechanism, rapid opening and closing operation of the cabinet door is achieved, so that maintenance and replacement of parts in the cabinet body are facilitated, rapid placement and collection of real exhibits of different sizes are facilitated, and the convenience of the virtual-real interaction type digital display cabinet is improved.

The utility model relates to the technical field of chargers, and discloses a constant-voltage and constant-current charger circuit with a lamp turning function, which comprises an EMC (Electro Magnetic Compatibility) filter circuit, a flyback conversion circuit, a constant-voltage and constant-current control circuit, a lamp turning control circuit and an output circuit, the output end of the EMC filter circuit is connected with the input end of the flyback conversion circuit, the output end of the flyback conversion circuit is connected with the input end of the constant-voltage and constant-current control circuit and the input end of the output circuit, and the output end of the constant-voltage and constant-current control circuit is connected with the input end of the lamp turning control circuit. By adopting the EMC filter circuit, the flyback conversion circuit, the constant-voltage and constant-current control circuit, the lamp turning control circuit and the output circuit, the cost can be reduced, the development difficulty can be simplified, the effective multi-stage floating charge and the like can be realized, the constant-voltage and constant-current can realize large-current quick charging, the battery charging time can be shortened, and the battery charging efficiency can be improved. The floating-charge rotary lamp control circuit enables the battery to be fully charged and enables people to see the fully charged state through the rotary lamp.

The utility model provides a rechargeable hearing aid storage box, and belongs to the field of hearing aid equipment, the rechargeable hearing aid storage box comprises an upper cover, a hinge and a box body, the upper cover is hinged to the box body through the hinge, the rechargeable hearing aid storage box further comprises a charging box, a sealing assembly is installed on one side of the charging box, a lithium battery is detachably installed in the charging box, and the end of the sealing assembly abuts against the end of the lithium battery. A first storage groove is formed in the top of the box body, a magnetic structure used for attracting a hearing aid is fixed to the bottom of the first storage groove, a connecting groove is formed in the bottom of the box body, a buckle is fixed to the inner wall of the connecting groove, a buckle hole piece is fixed to the top of the charging box, and the box body is buckled with the buckle hole piece on the charging box through the buckle. The charging box can be charged through the charging hole, the lithium battery can be directly replaced through the sealing assembly, the battery can be quickly replaced, and two charging box charging modes are provided, so that the charging box can have electricity to charge the hearing aid under different conditions, and the practicability is improved.

A battery cell for performing safety testing comprises: a plurality of anodes of a layered structure, a plurality of cathodes of a layered structure, and a plurality of separator layers for electrically insulating the anodes and cathodes, wherein the anode has a centrally arranged anode conductor and a coating with an anode active material arranged on both sides of the anode conductor, wherein the cathode has a centrally arranged cathode conductor and a coating with a cathode active material arranged on both sides of the cathode conductor, wherein at least a pair consisting of a first and a second anode coated on one side and / or a pair consisting of a first and a second cathode coated on one side are provided, wherein the pair consisting of a first and a second anode coated on one side and / or the pair consisting of a first and a second cathode coated on one side are respectively arranged adjacent to each other on their uncoated sides, so that a gap is formed between adjacent uncoated sides of the anode and / or the cathode, for introducing a starting element for initiating a short circuit.

The present application provides a charging method and device, an electronic device and a readable storage medium, the charging method comprising: collecting the state and / or cumulative state information of the battery during the step-by-step constant voltage charging process; determining the first charging cut-off condition of the current step and the target charging voltage of the next step according to the state and / or cumulative state information; wherein the step-by-step constant voltage charging comprises at least two consecutive constant voltage charging steps; and charging the battery for the next step when the state information and / or cumulative state information meets the corresponding first charging cut-off condition. The charging method provided by the present application adjusts the charging voltage and cut-off condition of each charging step according to the real-time state of the battery in each step of the constant voltage charging, thereby avoiding the problem of mismatch between the charging parameters and the actual state of the battery caused by the inaccurate estimated aging state, and can improve the charging speed and reduce safety risks.

This utility model discloses an aluminum busbar integrated charging socket, relating to the field of AC / DC charging sockets. It includes a panel with a back cover. A DC charging module and an AC charging module are integrated on the back cover. The DC charging module includes a DC charging housing, aluminum busbars, and DC terminals. The DC terminals are disposed within the DC charging housing, which is connected to the panel. Multiple aluminum busbars are disposed on the DC charging housing, installed horizontally, and each busbar is connected to a DC terminal. Charging new energy vehicles via the aluminum busbars allows for the transmission of a larger current, thus increasing the charging speed.

The utility model discloses an alternating current and direct current charging socket with overlarge current, which relates to the field of alternating current and direct current charging sockets and comprises a panel, a direct current module and an alternating current module, the direct current module and the alternating current module are mounted on the panel, an aluminum row assembly is arranged on the direct current module, and the direct current module comprises a direct current charging socket mounting plate and an aluminum row male plug. A mounting space is formed between the direct current charging socket mounting plate and the panel, the aluminum bar male plug is arranged in the mounting space, the aluminum bar assembly comprises an aluminum bar mounting shell and aluminum bars, the aluminum bar mounting shell is fixed on the direct current charging socket mounting plate, one end of the aluminum bar mounting shell is provided with a plurality of aluminum bars, and the aluminum bars are fixed on the aluminum bar mounting shell. The aluminum row is longitudinally installed and connected with the aluminum row male plug, the panel is provided with an aluminum row female socket, the aluminum row female socket is matched with the aluminum row male plug in an inserted mode, a new energy automobile is charged through power transmission of the aluminum row, larger current can pass through, and the charging speed is improved.

The utility model discloses a portable non-methane total hydrocarbon sampler, which relates to the technical field of non-methane total hydrocarbon detection and comprises a box body, a first connecting pipe connected to the top of one side of the box body, a hose connected to one end of the first connecting pipe, a sampling gun arranged at one end of the hose, and a first limiting ring connected to the middle of one side of the box body. A second limiting ring is connected to one side of the first limiting ring through a hinge, the sampling gun is arranged between the first limiting ring and the second limiting ring, a storage mechanism is arranged on one side of the box body, and a partition plate is connected to the middle of the box body; the sampling device has the beneficial effects that the position of the sampling gun is limited through the matching of the first limiting ring and the second limiting ring, so that the sampling gun is vertically positioned on one side of the box body, and after sampling is finished, the sampling gun can be quickly collected, the occupied space of the sampling device is reduced, the sampling device is convenient to carry, and a worker can conveniently carry and move the sampling device.

The present disclosure relates to a battery charging method and a vehicle. The method includes: before or during battery charging, using alternating current to self-heat the battery, and determining whether the battery has a tendency to deposit lithium; if the battery has a tendency to deposit lithium, performing a preset first operation on the battery, and the first operation includes: adjusting the AC parameters of the alternating current for self-heating the battery. The method uses alternating current to self-heat the battery before or during battery charging to avoid using external heating, which causes uneven heating of the battery; and, during the heating process, by determining whether the battery has a tendency to deposit lithium, and if there is a tendency to deposit lithium, performing a preset first operation on the battery to ensure that the battery is in a non-lithium deposition state, so as not to affect the battery life. Therefore, the method realizes raising the temperature of the battery by self-heating to increase the safe charging rate of the battery, so as to lay a foundation for using an increased safe charging rate and for accelerating the charging speed of the battery.

The invention relates to a charging pile with an energy storage function and a control adjusting system, the charging pile comprises a charging cabinet, a remote terminal and a power grid, the charging cabinet comprises a charging cabinet, a parameter display screen is fixedly installed on the front side of the charging cabinet, a wire is fixedly installed on the right side of the charging cabinet, and a charging gun is fixedly installed at the tail end of the wire; a controller is fixedly mounted in the charging cabinet, and a current converter is fixedly mounted on the back surface of the charging cabinet; the remote terminal comprises a computer used for operating charging pile control software and a data transmission network. According to the charging pile, in the charging process, external AC is converted into DC, then the DC is subjected to transposition to be supplied to the DC with the voltage required by charging of different electric appliances, the charging pile can be used for new energy automobiles with different requirements conveniently, the charging pile can complete charging of multiple new energy automobiles of different models at the same time, and the charging efficiency is improved. And meanwhile, simultaneous charging is realized by adopting a multi-path control mode, the error is small, and the charging speed is high.

The utility model discloses a 3D honeycomb novel structure of metal ion battery solves battery energy density and quick charge and discharge technical problem, including the positive plate and negative plate of battery are equipped with the ear and base body on, be equipped with a plurality of chambers on the base body, the chamber is regular hexagonal prism cavity structure, and one end is regular hexagon opening, the other end is regular hexagon seal; the base body of positive plate and negative plate the inner chamber wall surface of chamber is adhered to the positive and negative surface active material and constitutes the positive and negative; all the chamber symmetrical two -dimensional topology arrangement constitutes 3D honeycomb structure, the chamber of setting on the base body is single -sided or double -sided chamber structure.

The invention relates to the technical field of energy storage equipment, and discloses an equalizing charging method for an energy storage device, the energy storage device and equipment, and the method comprises the steps: carrying out the pre-charging of the energy storage device, and carrying out the sorting of SoC values of a plurality of energy storage units on each phase of line under the condition that the DC side voltage is stable; performing partial dynamic cutting on the plurality of energy storage units on each phase of line according to the sorting result, and determining that the energy storage device completes pre-charging under the condition that the SoC values of the remaining energy storage units after cutting all reach a preset value; and performing grid-connected operation on the pre-charged energy storage device, performing in-phase equalization control on the plurality of energy storage units on each phase line according to the total SoC mean value and the in-phase SoC mean value of the energy storage device, performing inter-phase equalization control on the energy storage device according to the negative sequence component of the three-phase alternating current power grid, and quickly charging the energy storage device through a power ring. According to the invention, the over-charge or over-discharge phenomenon of individual energy storage units can be avoided, and the reliability of the energy storage device is greatly improved.

An energy storage system according to embodiments disclosed in the present document can include an interface configured to receive charging information of a battery and a power supply request from a plurality of charging devices, and a controller configured to control power supply to a target battery connected to a target charging device among the plurality of charging devices based on the power supply request received from the target charging device, and perform a process for reallocating power supplied to the target battery to a battery connected to at least one charging device other than the target charging device among the plurality of charging devices based on the charging information of the target battery connected to the target charging device.

The invention discloses a wireless charging type self-luminous device and a wireless charging storage box, and relates to the technical field of illumination. The wireless charging device comprises a storage lining which comprises n wireless charging stations, and n is a natural number larger than or equal to 1; the charging unit comprises n wireless charging circuits and wireless light-emitting devices, the wireless charging circuits correspond to the wireless charging stations one by one, and the wireless light-emitting devices can be placed in the wireless charging stations and receive electric energy from the wireless charging circuits. The wireless charging device has the advantages that the wireless charging circuit is directly integrated with the wireless light-emitting device, rapid wireless charging can be achieved, a rope tying hole is reserved to facilitate illumination of a high hanging object, and the defects that the illumination brightness is fixed and the illumination area is limited are overcome.

The invention discloses a charging type swimming pool device and a charging system, the charging type swimming pool device comprises a main body and a controllable magnetic part arranged on the main body, the main body is provided with a charging interface, the controllable magnetic part is arranged close to the charging interface, and the controllable magnetic part is arranged close to the charging interface. The controllable magnetic part is configured to be capable of being switched between a magnetic state and a non-magnetic state. The charging type swimming pool equipment is novel in structure, the controllable magnetic piece capable of being switched between the magnetic state and the non-magnetic state is arranged near the charging interface of the main body, and it is ensured that the charging type swimming pool equipment cannot adsorb any iron chips and other ferromagnetic impurities when working underwater / on the water surface; and during charging, accurate alignment with an external interface of an external charger can be realized, so that a user can quickly charge the charging type swimming pool equipment. A user does not need to frequently clean the charging type swimming pool equipment, the user experience is enhanced, and the problem that the charging interface is in poor contact with an external interface due to adsorption of ferromagnetic impurities is solved.

The invention provides a charger control method and system, and the method comprises the steps: obtaining first battery state data which comprises battery voltage and / or battery temperature; judging whether a preset forced charging condition is met or not according to the first battery state data; when the forced charging condition is met, the charger is controlled to charge a battery in a forced charging mode, and in the forced charging mode, the charging voltage is kept constant to be a preset constant voltage value. According to the invention, when the battery cannot be charged in a normal charging mode, the battery can be charged in a forced charging mode, and the battery is charged in a constant voltage mode in the forced charging mode, so that the battery is prevented from being damaged due to overhigh charging voltage, and the charging safety is improved.

The invention discloses a charging circuit of a battery and an electric vehicle. The charging circuit comprises the battery, a direct current charging interface, a switch tube combination circuit and a heating control contactor. The battery comprises a first part of battery cell and a second part of battery cell which are connected in series through a series node; the switch tube combination circuit is connected between the direct current charging interface and the battery; the heating control contactor is connected between the switch tube combination circuit and the series connection node. When the heating control contactor is conducted and the switch tube combination circuit is configured to be a booster circuit, the switch tube combination circuit is used for charging the battery after boosting the direct current input from the direct current charging interface, and alternately controlling the first part of battery core to discharge and charge the second part of battery core at the same time. Or after the second part of battery cells are discharged, the first part of battery cells are charged. Self-heating of the battery is realized by utilizing internal resistance heating of the battery.

The invention discloses a scheme for solving power of a new energy automobile by driving a generator through an electrolyzed water hydrogen-oxygen mixed gas internal combustion engine, and belongs to a solution of a power source of the new energy automobile. Mixed gas of hydrogen and oxygen generated by water electrolysis enters a combustion chamber of the internal combustion engine and is ignited and combusted by a spark plug to expand to push a piston, and reciprocating piston motion is converted into circumferential rotation motion to drive a generator set to charge a battery pack to drive the generator set, so that a power source of a new energy automobile is provided. The core of the new energy automobile power solution scheme is that water is used for replacing fossil fuel to do work. Water resources on the earth are inexhaustible, the hydrogen-oxygen mixed gas generated by water electrolysis belongs to efficient fuel (superior to gasoline and diesel oil), meanwhile, water is still generated after the hydrogen-oxygen mixed gas is combusted and can be recycled, and zero pollution is achieved. According to the new energy automobile power solution, a lead-acid battery and a super capacitor are selected as power batteries for different product lines.

The application discloses a kind of mobile power supply devices and control methods supporting double-path wireless fast charging, the device includes: input-output module, bidirectional DCDC module, control module, wireless charging module and battery module;The node 1 of bidirectional DCDC module is connected to input-output module via first switch, node 3 is connected to battery module via third switch;The node 2 of wireless charging module is connected to node 1 via second switch, is connected to battery module via fourth switch and third switch;Control module carries out on-off control to first switch, second switch, third switch and fourth switch.Thereby, corresponding charging and discharging path is planned for different charging and discharging modes, other paths are turned off when supplying wireless charging by external power supply, wireless charging module is stably supplied with accurate voltage, to ensure that wireless fast charging can be realized in the case of plugging and not plugging, eliminate the phenomenon that charging is slower after plugging, significantly improve user experience.

The invention relates to an electronic equipment protection shell, electronic equipment, an electronic accessory and a charging method, relates to the technical field of electronic equipment, and aims to improve the charging stability of the electronic accessory. The electronic equipment protection shell comprises a protection shell body, a first connection contact, a second connection contact and an energy processor. The energy processor is arranged in the protection shell body and is coupled with the first connection contact and the second connection contact. The energy processor is configured to generate a first current in response to an external magnetic field. The first connecting contacts and the second connecting contacts are arranged at intervals; the first connecting contact and the second connecting contact are exposed out of the outer surface of the protective shell body so as to transmit the first current to the outside of the protective shell body.