410 results about "Charge effect" patented technology

The invention discloses an adapter. A mobile terminal is charged through a data line, and a source end connector is used for receiving required charging voltage and required charging current from the mobile terminal. A control unit is used for obtaining the charging voltage and the charging current. The control unit is used for comparing the charging voltage and the charging current with the required charging voltage and the required charging current respectively, and a control signal is generated when the charging voltage and the charging current are different from the required charging voltage and the required charging current. A PWM (Pulse-Width Modulation) driving module is used for adjusting an output pulse signal according to the control signal so as to control the start frequency of a switch unit and change a third alternating current, and thus the charging voltage and the charging current are adjusted to the required charging voltage and the required charging current. In the charging process of the adapter, the adapter outputs voltage and current matched with the required charging voltage and the required charging current of the mobile terminal, and thus the charging effect of the mobile terminal is better.

The invention discloses a heterodimeric FC (fragment crystallizable) modification method based on a charge network and a preparation method of heterodimeric proteins. The modification method is characterized by establishing a charge interaction network and mutating one or more interfacial amino acids based on interaction of heavy-chain CH3 two-arm amino acids of the FC and modifying the amino acids in the CH3 domains through charge effect, thus weakening self interactions of the domains (which is beneficial to forming homodimers) and enhancing the interactions between the domains ( which is beneficial to forming heterodimers) and finally selecting sense mutation. The invention also relates to heterodimeric proteins prepared by the preparation method, independent polypeptides forming the heterodimeric FC and nucleotide sequences coding the polypeptides.

The invention discloses a drive control unit, a drive circuit and a drive control method of a display substrate. The drive control unit comprises a time schedule controller and a delay controller, wherein time schedule controller sends sequential control signals to the delay controller, the delay controller is used for regulating the sequential control signals according to impedance of a drive signal wire connected with pixel points of the display substrate, and real charge duration of the pixel points is within a preset duration range. According to the drive control unit, the drive circuit and the drive control method, the sequential control signals of the pixel points are changed according to positions of the pixel points on a liquid crystal panel, the sequential control signals of pixel points in different positions are different, charge time errors caused by signal wire delay are compensated by the different sequential control signals, and consistency of charge effects of the pixel points in the different positions of the liquid crystal panel is guaranteed.

The invention provides a liquid crystal display panel and a driving method thereof. The 4j grid scanning line and the (4j-3) grid scanning line are set to be odd-number frame grid scanning lines, the (4j-1) grid scanning line and the (4j-2) grid scanning line are set to be even-number frame grid scanning lines, first red subpixels (R1), first green subpixels (G1) and first blue subpixels (B1) are electrically connected to the odd-number frame grid scanning lines, second red subpixels (R2), second green subpixels (G2) and second blue subpixels (B2) are electrically connected to the even-number frame grid scanning lines, odd-number frame scanning and even-number frame scanning are conducted by the odd-number frame grid scanning lines and the even-number frame grid scanning lines respectively, data signal delay can be effectively weakened, the charging effect of all the subpixels is ensured, light fringes of the liquid crystal display panel of the double grid line structure in the display process are eliminated, signal inversion frequency and the driving power consumption of the liquid crystal display panel are reduced.

The present invention discloses a novel ferroelectric transistor design using a resistive oxide film in place of the gate dielectric. By replacing the gate dielectric with a resistive oxide film, and by optimizing the value of the film resistance, the bottom gate of the ferroelectric layer is electrically connected to the silicon substrate, eliminating the trapped charge effect and resulting in the improvement of the memory retention characteristics. The resistive oxide film is preferably a doped conductive oxide in which a conductive oxide is doped with an impurity species. The doped conductive oxide is most preferred to be In2O3 with the dopant species being hafnium oxide, zirconium oxide, lanthanum oxide, or aluminum oxide.

The invention discloses a general rapid intelligent charger and a charging method thereof, mainly comprising a power module, a battery test analysis module, a charging parameter regulation and dynamic control module, an integrated control test module, a charging module and an indication module. Adopting a single chip as a control unit, the charger incorporates four storage battery charging control processes of pre-charging control, rapid charging control, supplementary charging control and trickle charging control to realize the whole process control of charging execution circuit, thus greatly improving the charging effect and effectively prolonging the actual life of battery. The charger can also identify different battery types, adjust the charging procedures of the controller according to the optimum charging curve automatically and charge different types of storage batteries.

Modified silicon-on-insulator (SOI) substrates having a trap rich layer, and methods for making such modifications. The modified regions eliminate or manage accumulated charge that would otherwise arise because of the interaction of the underlying trap rich layer and active layer devices undergoing transient changes of state, thereby eliminating or mitigating the effects of such accumulated charge on non-RF integrated circuitry fabricated on such substrates. Embodiments retain the beneficial characteristics of SOI substrates with a trap rich layer for RF circuitry requiring high linearity, such as RF switches, while avoiding the problems of a trap rich layer for circuitry that is sensitive to accumulated charge effects caused by the presence of the trap rich layer, such as non-RF analog circuitry and amplifiers (including power amplifiers and low noise amplifiers).

The invention discloses a method for generating and controlling charging and discharging pulses of a pulse charging device. The invention belongs to a pulse charging technology based on a switch power supply. In order to innovate the conventional mode that a pulse voltage is rectified and filtered into a direct current voltage and the direct current voltage is then converted into a pulse in outputting of the charging pulse by adopting the pulse charging technology of a foreign special charging control integrated circuit, and to solve the problem that a switch transformer is adopted to output pulse charging and to generate the discharging pulse simultaneously, a method for adopting a secondary winding of the switch transformer to output the pulse charging and introduce outputting of the charging pulse to trigger a single steady-state circuit which is formed on the basis of a time-base circuit to convert into outputting of the discharge pulse which is alternated simultaneously with the charging pulse in a temporary steady state is provided, and the method for automatically regulating a control end voltage of the time-base circuit to control the discharge pulse and improving the conventional charging control circuit and a voltage stabilizing circuit to control the charging pulse is provided. The method provided by the invention is applied to charging of a lead acid battery, and charging effects on other batteries are required for further test.

In a phase-locked battery charge system, the structure its circuit is similar to a phase-locked loop; by means of its specific auto-tracking and auto-locking capabilities, a complete battery charge process can be accomplished automatically in the order of bulk current charge, variable current charge, and float charge. Therefore, this invention features with its simple circuit structure, good charge current, and assured safe charge effect.

The invention discloses a capacitive charging DC breaker. The capacitive charging DC breaker comprises an auxiliary branch and a primary branch, which are connected with each other in parallel, wherein the auxiliary branch is formed by connecting a first mechanical switch and a power electronic device valve bank in series; and the primary branch is formed by connecting DC capacitors and a diode valve bank in series. A DC fault current is isolated through the charging effect of a DC to each DC capacitor during a DC fault period. A reclosing instruction is sent out only when the condition that a line side current of the DC breaker is higher than a threshold is detected in the reclosing process. The invention further discloses the DC breaker. The primary branch is formed by connecting multiple groups of DC capacitors which are connected with one another in series and the mechanical switches in parallel. The invention further discloses a control method for carrying out fast reclosing on the DC breaker correspondingly. The defect that inductance-capacitance oscillation is easily formed by the DC capacitors and line inductor of the existing DC breaker can be avoided; opening and closing of the DC fault current are stable and reliable; and fast reclosing can be achieved.

The invention provides an electric automobile charging / discharging / storing integral station power flow three-level converter. A control part controls the working of circuits at all levels through a grading coordination control strategy, a first-level alternating current (AC) / direct current (DC) circuit alternating side is connected to an electric network, a direct current side is connected to a total direct current bus, the alternating current of the electric network is converted to the stable direct current and is output to the total direct current bus, a second-level DC / DC circuit high-voltage side is connected to the total direct current bus, a low-voltage side is connected to a corresponding branch direct current bus, the direct current of the total direct current bus is converted to finer direct current which can meet charging requirements of different cells and is output to a corresponding branch direct current bus, a third-level DC / DC circuit high-voltage side is connected to a corresponding branch direct current bus, a low-voltage side is connected to a storage battery group, and the storage battery group is controlled to charge / discharge evenly, finely and reasonably. The cell group can charge and discharge evenly, the best charging effect is achieved and the circulation service life of cells is improved.

The invention provides a display driving circuit, a display device and a display driving method. The display driving circuit comprises a timing control unit, a modulation unit and a beveling unit, wherein the timing control unit is connected with the modulation unit, and used for generating row selection signals, first control signals and second control signals based on a preset clock signal; the first control signals comprises a beveling width signal and a beveling depth signal; the second control signals comprise a width modulation signal and / or a depth modulation signal; the modulation unit is connected with the beveling unit, and used for modulating the row selection signals into the first control signals within an active level time period according to the second control signals; the beveling unit is used for beveling grid voltage signals according to the first control signals modulated by the modulation unit before outputting the grid voltage signals. Therefore, through adoption of the display driving circuit, the display device and the display driving method, the problem of a significant difference in charging effect among pixels connected to different rows of grid scanning lines in the prior art can be solved, and improvement of the display effect is facilitated.

The invention provides a pixel charge method and a pixel charge circuit. The method comprises the following steps: a first driving signal is output to turn on an active switch of an N scan line so that N pixels are precharged and charged; a second driving signal is output to turn on a switch of an (N+1) scan line so that (N+1) pixels are precharged and charged; and the first driving signal and the second driving signal have no chamfers during a period before the corresponding pixels are precharged and during a period after the corresponding pixels are precharged, the first driving signal and the second driving signal have chamfers during a period before the corresponding pixels are charged, and the second driving signal is output before the N pixels are charged. The two driving signals drive the adjacent two rows of the scan lines to charge the pixels, the other row of the scan lines is precharged when one row of the scan lines is charged, and no chamfers exit during a certain period before and after precharge is finished. Therefore, active switches are fully turned on when precharge of the pixels ends and the pixels start to be actually charged, the actual charge process is not affected, and charge effects of the pixels are improved.

The invention discloses a method for extracting Dendranthema indium leaves and application of an extractive thereof in cigarettes, and belongs to the technical field of cigarette flavors. The method for extracting the Dendranthema indium leaves comprises the following steps: (1) crushing the leaves into coarse powder; (2) performing enzymolyisis on the coarse powder of the Dendranthema indium leaves; (3) extracting volatile oil completely from the mixed feed liquid after enzymolyisis to obtain a yellow transparent oily matter, dissolving the oily matter into ethanol to obtain extracting solution A; (4) filtering the remained mixed feed liquid after extraction of the volatile oil, evaporating the filtrate to dryness to obtain dry extract, and drying the filtration residue in an oven at low temperature; and (5) combining the dry extract with the residue, and refluxing and extracting the dry extract and the residue to obtain an extracted perfume material B. The extracting solution A is flavored in a ratio of 0.01-0.08 percent; and the extracted perfume material B is prepared into solution, and is charged in a ratio of 0.05-0.2 percent. The method is simple and easy to implement, and the extracted perfume material has good flavoring and charging effects on the cigarettes.

A metallic compound hybridized nanophosphor layer, in which the metallic compound is metallic oxide or metallic sulfide. The metallic compound hybridized nanophosphor layer is prepared in consideration of physical, mechanical, and chemical stabilities. The metallic compound hybridized nanophosphor layer has an excellent light scattering effect and high durability against damage from ion-bombardment. In addition, the charging effect caused by V-UV vacuum-ultraviolet ray can be considerably reduced. Thus, the metallic compound hybridized nanophosphor layer is very suitable for various display devices having high efficiency and high resolution. Accordingly, a display device using the metallic compound hybridized nanophosphor layer shows high performance and long lifetime. The method of forming the metallic compound hybridized nanophosphor layer is a low temperature layer forming process through which a thin film-type layer can be formed at low temperature. Therefore, a phosphor layer having physical, mechanical, and chemical stabilities can be formed at low cost.

The invention discloses a method for rejecting the central potential drift of a three-phase four-bridge arm three-level inverter. The SVPWM vector of the three-phase four-bridge arm three-level inverter is reduced from the traditional three-dimension to a plane, the switch statuses of the first three bridge arm and the fourth bridge arm are separately selected, the vector table of the first three bridge arm three-level space is made full use of to select a zero vector and a length vector, small vectors are used in pairs while mid-sized vectors can not be used directly, neighboring vectors are combined into mid-sized vectors, and the switch status of the fourth bridge arm is selected according to the principle of the offset between the charge effect and the discharge effect of a capacitor. The algorithm is simple and easy to be realized, and can not only contain asymmetric load but also realize that the average value of the current which passes through the neutral point of a DC (direct current) side capacitor is strictly being zero under any load power factors and modulation ratio, thus effectively rejecting the drift of neutral point potential. No sample current is required in the algorithm, thus reducing the requirement of the system to the neutral point of the DC side capacitor. An open-loop control and a closed-loop control are respectively available.

The invention discloses a four-roller coal cutter adopting a double-roller cutting parts. The four-roller coal cutter comprises a right cutting part and a left cutting part which have the same structure, a right drawing part and a left drawing part which have the same structure, a right traveling part and left traveling part which have the same structure, as well as a middle control cabinet, wherein each cutting part comprises two cutting rollers, namely a dextrorotary cutting roller and a laevorotatory cutting roller; the rotation directions of each dextrorotary cutting roller and each laevorotatory cutting roller are opposite. According to the coal cutter adopting double- roller cutting part, provided by the invention, the two rollers are arranged on each cutting part, so that the total coal accommodating ratio is increased; the rotation directions of every two cutting rollers are opposite, so that the radial ejection of a coal block can be effectively prevented, and coal charging is further facilitated; the coal cutting and charging efficiency is greatly improved, the cutting teeth utilization ratio is improved, the service life of the whole machine is prolonged, the operation of the whole machine is stable, the coal charging effect is excellent, and the failure rate is low.

Integrated circuits (ICs) that avoid or mitigate creation of changes in accumulated charge in a silicon-on-insulator (SOI) substrate, particularly an SOI substrate having a trap rich layer. In one embodiment, a FET is configured such that, in a standby mode, the FET is turned OFF while maintaining essentially the same VDS as during an active mode. In another embodiment, a FET is configured such that, in a standby mode, current flow through the FET is interrupted while maintaining essentially the same VGS as during the active mode. In another embodiment, a FET is configured such that, in a standby mode, the FET is switched into a very low current state (a “trickle current” state) that keeps both VGS and VDS close to their respective active mode operational voltages. Optionally, S-contacts may be formed in an IC substrate to create protected areas that encompass FETs that are sensitive to accumulated charge effects.

A slice-groove type new energy vehicle consists of a power receiving slice which is automatically and intelligently controlled and a charging groove on a midline of a road, wherein the charging groove on the midline of the road does not occupy too much space on the road and not affect the traffic and the appearance of a city; and the charging groove is a large power supply unit consisting of numerous small power supply units. When the slice-groove type new energy vehicle runs at the middle of the charging groove, a charging groove tracking indicator light in a cab is automatically turned on, and the power receiving slice is automatically inserted into the charging groove for charging. When the slice-groove type new energy vehicle leaves the charging groove or changes lanes to left or right, the power receiving slice is automatically controlled to be in a storage state. The slice-groove type new energy vehicle is subjected to processes of identification, charging, billing and accumulating when passing each of the small power supply units. The time at which the slice-groove type new energy vehicle runs on the charging groove on the midline of the road is the time of charging, and crowded motor vehicles on urban roads are like an "oversized parking lot". The slice-groove type new energy vehicle makes full use of valuable resources of the urban roads and converts disadvantages into advantages; in addition, not only the working efficiency and charging effect of the slice-groove type new energy vehicle but also the economic efficiency is improved.

The invention provides a BSIM3 HCI reliability model which is applied to MOSFET electrical simulation. The model provides a method for calculating output characteristics after the degradation of a transistor impacted by HCI effect according to bias voltage exerting time of MOSFET in a bias voltage condition. The method comprises the following steps: Conditions of the transistor impacted by hot carrier degradation effect and the occurred variation on bias voltage exerting time are considered on the basis of standard BSIM3 model, and meanwhile, parameters of seven standard BSIM3 model are redefined as follows: a long channel threshold voltage Vth0 under a condition of zero Vbs, first-order body effect factor of threshold voltage K1, the mobility ratio under zero offset electric field Mu0, mobility ratio decay effector Muc, channel length modulation parameter of silicon charge effect A0, grid-bias voltage modulation parameter of silicon charge effect Ags and silicon bias voltage modulation parameter Keta of silicon charge effect.

The invention discloses a wireless charging device with a charging priority judging function and a charging method of the wireless charging device. The wireless charging device comprises a wireless charging emitting end unit and a plurality of wireless charging receiving end units, and further comprises an emitting end wireless communication module and an emitting end data acquiring regulating mechanism, a receiving end wireless communication module and a receiving end data acquiring regulating mechanism, wherein the emitting end data acquiring regulating mechanism is electrically connected with the wireless charging emitting unit and the emitting end wireless communication module respectively; the receiving end data acquiring regulating mechanism is electrically connected with the wireless charging receiving unit and the receiving end wireless communication module respectively; and the emitting end data acquiring regulating mechanism and the receiving end data acquiring regulating mechanism are in wireless communication with the receiving end wireless communication module by virtue of the emitting end wireless communication module to realize data communication. The wireless charging device with the charging priority judging function has the advantages that acquiring, regulating and charging effects of charging parameters are good, and the charging priority ranking can be made according to a multi-receiving-end condition that possibly appears in a wireless charging process.

The invention relates to a device and method for ground-based simulation experimentation of charging effect of a high altitude satellite material and belongs to the field of measurement. The device comprises a shielded chamber, a vacuum chamber, an electron accelerator, a shielding case, a plasma source, a sample table, an insulation washer, a vacuum pumping system, a three-dimensional transmission mechanism, an oscilloscope, an impulse current probe, a non-contact potentiometer, a camera and an adjustable power source. The method comprises the following steps: starting the vacuum pumping system to vacuumize the vacuum chamber; starting the plasma source to simulate a GEO track plasma charging environment; starting the electron accelerator to simulate a GEO track high-energy electron charging environment; and utilizing the impulse current probe and the oscilloscope to monitor the transient discharge impulse of a material sample, utilizing the non-contact potentiometer to monitor the surface electric potential of the material specimen sample, and utilizing the camera to record the secondary discharge phenomenon. Through the adoption of the electron accelerator and the plasma source, the charging environment of a high track in a magnetic substorm can be simulated well; and the device and the method are suitable for measuring the charging effect of various satellite materials.

The invention relates to a method for preparing a prostaglandin E1 lipid microsphere injection of a charging non-homogeneous phase (comprising a water phase, an oil / water interfacial film phase and an oil phase) dispersion system, of which the surface of the lipid microsphere can be charged with positive electricity or negative electricity. The prostaglandin E1 is alprostadil, of which the chemical structure comprises a basic skeleton of 20-carbon fatty acid with a 5-carbon ring and two side chains, wherein one side chain is provided with a hydrophilic carboxylic acid group, so that the prostaglandin E1 has the characteristic of light surface activity action. By utilizing the characteristic, and according to the formula and the preparation process provided in the invention, the prostaglandin E1 has an unique drug-carrying mode in a solution of lipid microsphere with the non-homogeneous phase dispersion system, and the prepared lipid microsphere injection is fundamentally different from an alprostadil injection(Kaishi, and is prepared by adopting the technology of the Japanese business corporation LTT Bio-Pharma Co., Ltd. already sold in markets, and the difference lies in that the drug-carrying mode is completely different, the content of degradation products in the preparation such as impurities is more than 50 percent lower than that of in the Kaishi, so that the prostaglandin E1 lipid microsphere injection and the alprostadil injection are fundamentally different. The invention relates to a method for preparing the prostaglandin E1 lipid microsphere injection and the drug-carrying characteristics thereof in a three-phase system; in the formula, 0.0001 to 0.1 weight portion of prostaglandin E1 is used as a drug, the prostaglandin E1 is added with auxiliary materials for medical purpose to prepare the prostaglandin E1 lipid microsphere injection, and the auxiliary materials for medical purpose comprises the following materials in portion by weight: 5 to 20.

The present invention discloses a novel ferroelectric transistor design using a resistive oxide film in place of the gate dielectric. By replacing the gate dielectric with a resistive oxide film, and by optimizing the value of the film resistance, the bottom gate of the ferroelectric layer is electrically connected to the silicon substrate, eliminating the trapped charge effect and resulting in the improvement of the memory retention characteristics. The resistive oxide film is preferably a doped conductive oxide in which a conductive oxide is doped with an impurity species. The doped conductive oxide is most preferred to be In2O3 with the dopant species being hafnium oxide, zirconium oxide, lanthanum oxide, or aluminum oxide.

A method is proposed for etching patterns in an etching body (18), in particular cut-outs in a silicon body (18) exactly defined in a lateral manner, using a plasma (14). In this context, a high-frequency-pulsed high-frequency power is at least temporarily coupled into the etching body (18) via an at least temporarily applied high-frequency a.c. voltage. This coupled, high-frequency-pulsed high-frequency power is further modulated at a low frequency, in particular clocked. The proposed method opens a wide process window for varying the etching parameters in the implemented plasma etching process, and is especially suitable for etching patterns in silicon using high mask selectivity and high etching rates for simultaneously minimized charge effects, in particular with respect to notching on the dielectric boundary surface.

The invention relates to a method for preparing microfiber hemostatic collagen sponge. The method comprises the following steps of: aggregating collagen molecules by the charge effect by adjusting pH, temperature and the salt concentration of collagen protein solution, freeze-drying the obtained and assembled collagen, then preparing into the collagen protein sponge, and then carrying out thermal crosslinking to obtain the microfiber hemostatic collagen sponge. The microfiber hemostatic collagen sponge prepared by adopting the method has uniform porous structure, good hydrophilic performance, high mechanical strength and degradation resistance and good hemostatic performance, and the defects that the traditional collagen sponge is easy in degradation, poor in mechanical property, easy in collapse in the application process and difficult in maintenance of the inherent form and the like are solved. The preparation method is simple and feasible, and is stable in process, and the prepared microfiber hemostatic collagen sponge can be widely applied in hemostasis and restoration of wounds of burns, traumas and surgical operation, and has good application prospect.

The invention discloses a charging method and a charging system of a smart mobile terminal. According to the method and system, when the smart mobile terminal is monitored to be connected with a power unit, charging preprocessing is performed on the smart mobile terminal, and the charging preprocessing includes memory cleaning and / or hardware state optimization. By the method and the system, the problems that a battery can only be fully charged but the charging time cannot be shortened in the prior art are solved, power consumption in the charging process is reduced, charging time is shortened effectively, and charging effect is improved.

Modified silicon-on-insulator (SOI) substrates having a trap rich layer, and methods for making such modifications. The modified regions eliminate or manage accumulated charge that would otherwise arise because of the interaction of the underlying trap rich layer and active layer devices undergoing transient changes of state, thereby eliminating or mitigating the effects of such accumulated charge on non-RF integrated circuitry fabricated on such substrates. Embodiments retain the beneficial characteristics of SOI substrates with a trap rich layer for RF circuitry requiring high linearity, such as RF switches, while avoiding the problems of a trap rich layer for circuitry that is sensitive to accumulated charge effects caused by the presence of the trap rich layer, such as non-RF analog circuitry and amplifiers (including power amplifiers and low noise amplifiers).

The invention relates to a charging method and system for an electric automobile. The charging method for the electric automobile includes the following steps that charging demand information of the electric automobile connected with a charging pile is read, and multiple charging schemes of various time-priced value combinations corresponding to the electric automobile are calculated according to the charging demand information and a preset pricing function model, wherein the time-priced value combinations refer to charging time periods for charging the electric automobile by the charging pile and priced values corresponding to the charging time periods; the charging schemes are sent to user terminal equipment to be displayed, and a selected scheme selected by a user in the charging schemes is read; output parameters of the charging pile are set according to the selected scheme, and the charging pile is controlled to charge the electric automobile according to the output parameters; the electric automobile can be charged in order, load distribution of a corresponding automobile charging system is balanced, and the charging effect of the electric automobile is improved.

The invention relates to a charging device for a mechanical three-dimensional garage. The charging device comprises a plug assembly located on an electric automobile carrying board and a socket assembly located on a parking space track. The plug assembly comprises a fixing block fixed to the electric automobile carrying board, a charging gun plug hole is formed above the fixing block, a plug fixing board is arranged on one side of the fixing block, and a positioning hinge pin and a plug are arranged on the plug fixing board. The socket assembly comprises a fixing piece fixed to the parking space track, a socket fixing board is arranged on one side face of the fixing piece, a socket and a positioning sleeve are arranged on the socket fixing board, the socket is connected to a charging manager through a cable, the socket is matched with the plug, and the positioning sleeve is matched with the positioning hinge pin. The charging gun plug hole formed above the fixing block is used for being connected with a charging gun, and the positioning hinge pin on the plug fixing board is used for positioning the plug and the socket. Due to cooperation between the positioning hinge pin and the positioning sleeve, not only can the plug and the socket be positioned, but also the phenomenon that the charging effect is affected because of shakes between the plug and the socket can be avoided.