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A switchable well cementation sliding sleeve based on fracturing of separate layers comprises an outer barrel, an upper joint and a lower joint are installed at the upper end and the lower end of the barrel respectively, a fracturing port is formed in the side wall of the upper portion of the outer barrel, and an upper center pipe, an upper connection sleeve, a lower center pipe and a lower connection sleeve are installed inside the outer barrel. The switchable well cementation sliding sleeve based on fracturing of the separate layers is not provided with a ball seat, so a full bore of the inner wall can be maintained, fracturing fluid can flow back in time, and the construction period is shortened. The well cementation sliding sleeve is set in the upper center pipe through a bottom packer, downward pushing force big enough can be generated in the process of annular or continuous tubing pressing, so the upper center pipe can overcome shearing force of corresponding shearing dowels and move downwards, and therefore the fracturing port of the well cementation sliding sleeve can be opened.

The invention discloses a clamp pressure cooker retractable structure. The problem that a clamp is prone to self-restoration exists in an existing clamp-type pressure cooker commonly, in addition, a cooker body and a cooker cover can be pressurized under the condition that the cooker body and the cooker cover are not fully buckled by the clamp, and danger exists when the existing clamp-type pressure cooker is used improperly. The clamp pressure cooker retractable structure is characterized in that a first connecting rod located beside an opening button is fixedly connected with a sliding block, a sliding block spring is arranged between the outer end of the sliding block and the end of a sliding groove, and an arc-shaped transmission piece is arranged between the inner end of the sliding block and the opening button; a second connecting rod located beside a closing button is fixedly connected with a stop pin base, and a stop pin capable of moving up and down and self-resetting is installed on the stop pin base; a locking portion used in cooperation with the bottom of the closing button is formed on the upper portion of the stop pin. By means of the clamp pressure cooker retractable structure, the self-reset of the clamp is avoided, the pressure cooker can not be pressurized under the condition that the cooker body and the cooker cover are not fully buckled by the clamp, and the safety when the pressure cooker is used is improved.

The invention discloses an automatic battery quick replacement system and method for electric vehicles. The system comprises a battery bin arranged at the lower part of a vehicle body, a battery box and a lifting platform. The sides of the battery bin are provided with a plurality lifting lugs; the sides of the battery box are provided with a plurality of spring bolts with pulling ropes; the lifting platform is provided with a plurality of unlocking / locking rods; and the mounting and dismounting of the battery box are realized through the mutual coordination of the lifting platform, the unlocking / locking rods, the spring bolts and the lifting lugs. When a battery is dismounted, the lifting platform supports the battery box, the unlocking / locking rods jack the pull ropes to separate the bolts from the lifting lugs, and the lifting platform descends together with the battery box so as to separate the battery box from the batter bin. When the battery is mounted, the battery box is jacked to be in place of the battery bin by the lifting platform, the unlocking / locking rods descend to loose the pull ropes, and the bolts are closed and penetrate through the lifting lugs by virtue of the tension of the spring so that the battery box is connected with the battery bin; meanwhile, a socket on the battery box is automatically in plugging connection with a plug on the battery bin. The automatic battery quick replacement system is convenient and reliable and can meet the requirement for automatic and rapid replacement of the battery box of an electric vehicle.

The invention discloses a small caution fire extinguishing robot facing to initial fire. A mobile platform device includes a chassis body, two sets of wheels and suspension modules; the chassis body is a rectangular frame structure; the two sets of wheels are respectively mounted at the front and back ends of the chassis body through the suspension modules; a holder is arranged at the middle part of the chassis body; detecting and alarm devices are mounted on the holder; the holder is respectively controlled by a P-axle motor and a Y-axle motor to realize adjustment of two degrees of rotating freedom of pitch and yaw axles; a fire extinguishing device includes a storage tank and a nozzle; the storage tank is mounted at the back end of the chassis body; a fire extinguishing agent is filled in the storage tank; the storage tank is connected with a nozzle through a movable hose; and the nozzle is fixed on the holder, and is towards the front side. The small caution fire extinguishing robot facing to initial fire is high in automation degree, can be remotely operated by staff, and is safer and more reliable.

The invention discloses an automatic cover-flipping device for a toilet cover plate, which comprises a casing and the cover plate hinged to the casing, wherein the cover plate is composed of a seat ring and a panel; and the casing is formed by the assembling of an upper casing and a lower casing, and is characterized in that a connection rod / an automatic cover-flipping mechanism connected with one side of the seat ring / the panel is arranged on one side of the casing, and an automatic cover-flipping mechanism / a connection rod connected with the other side of the seat / the panel is arranged on the other side of the casing; and automatic cover-flipping mechanisms comprises gear sets, and motors, electromagnetic clutches, and torque balance elements connected in sequence through the gear sets. The control method comprises two control manners of manual triggering and auto-induction triggering to control the up / down of the cover plate, wherein the two control manners all run in the power-up state. The device is convenient to operate, comfortable and practical, mute, high in intelligence and product quality, and suitable for various intelligent toilets and intelligent toilet covers.

The invention discloses a mobile terminal and a starting up method thereof. The starting up method comprises that: when the mobile terminal is in a power-off state, an acceleration sensor is triggered to send an interrupt signal to a baseband chip of the mobile terminal; and after the baseband chip receives the interrupt signal, the mobile terminal is started up. Through the technical scheme, the mobile terminal is quickly started up.

The request discloses an electric equipment control device and a method. The device comprises a controllable switch, a communication unit and a control unit. The controllable switch is connected between the alternating current power supply end and the load end of a power supply path of the electric equipment. The communication unit is used for receiving the control signal sent by a user control terminal. The control unit is used for connecting or disconnecting the controllable switch according to the control signal received by the communication unit. By applying the above technical scheme, theuser can directly use the control terminal to control the power supply of the electric equipment and realize complete closing and opening of the electric equipment by disconnecting or connecting theelectric equipment and the power supply. Compared with the prior art, by applying the technical scheme provided by the request, optimum control of the power dissipation of the electric equipment can be realized and potential electric safety hazards of the electric equipment can be reduced on the premise of not needing the user to plug and unplug the power supply of the electric equipment manually.

The invention provides an intelligent car key system based on the internet and a controlling method. The intelligent car key system comprises a mobile terminal, a server, a controller and an execution unit, wherein the server is used for storing car identity information and recognizing identities, the controller is arranged in a car, and the execution unit is used for opening or closing car doors according to instructions of the controller. The mobile terminal comprises a fingerprint recognition module used for unlocking the car doors by means of fingerprint verification, and a communication module. A smartphone is utilized for installing a corresponding APP, fingerprint recognition authentication to the car is achieved, and car door opening and car starting are achieved; the system can replace an existing intelligent key completely, all functions of an intelligent key are achieved, and therefore the trouble caused when a car owner forgets to carry the key can be avoided; moreover, control over multiple cars can be achieved, all members in a family owning multiple cars can use the cars only by adopting mobile phones, and restriction of the number and carrying of the keys is avoided.

The invention discloses a recycled concrete aggregate screening device. According to the technical scheme, the recycled concrete aggregate screening device comprises a support frame and a machine body; the machine body includes a shell, and a screen body rotationally connected into the shell and slantly arranged; one end of the shell is connected with a feed hopper; screen holes are distributed in the screen body; the support frame is provided with a driving mechanism for driving the screen body to rotate; mounting bars are fixed in the shell; push rods corresponding to the screen holes are axially arranged; push balls with apertures larger than that of the screen holes are fixed at the end parts of the push rods; first springs for pushing the push rods to keep the push balls recessed in the screen holes are arranged between the push rods and the mounting bars; and when aggregates are blocked in one part of screen holes, the push balls are continuously recessed in all the screen holes in the rotating process of the screen body to push the aggregates blocked in the screen holes into the screen body, so that the cleaning of the aggregates blocked in the screen holes is more conveniently realized, and the screen body is kept in an excellent screening state.

The invention discloses a touch structure, a touch display panel and a touch display device. The touch structure comprises a plurality of first electrodes and a plurality of second electrodes which are arranged being insulated with the first electrodes in a cross mode; the first electrodes and the second electrodes are connected with corresponding signal transmission wires; the signal transmission wires are used for transmitting touch signals to the corresponding first electrodes or the second electrodes; at least one electrode in a set which is formed by the first electrodes and the second electrodes is an electrode which can be closed; at least a part of the electrode which can be closed is a portion which can be closed; a switch unit is arranged between the portion which can be closed and the corresponding signal transmission wire; the switch unit is used for controlling on and off between the portion which can be closed and the corresponding single transmission wire. According to the technical scheme of the touch structure, the switch unit is arranged between the portion which can be closed and the corresponding signal transmission wire, so that on and off between the portion which can be closed and the corresponding signal transmission wire can be controlled and opening or closing of the touch function inside the area which is corresponding to the portion which can be closed is achieved.

The invention discloses an intelligent goods selling system and goods selling method. The system comprises a server and automatic goods selling machines; each automatic goods selling machine is connected with the server through a communication unit; and the automatic goods selling machine comprises a main control module used for controlling a working process of the automatic goods selling machineand coordinating work among circuit modules, a display module used for displaying display data sent by the main control module, a goods delivery module used for receiving an instruction of the main control module to finish a goods delivery action, and a mobile communication terminal used for receiving an instruction sent by the server and finishing online shopping. According to the method and thesystem, online and offline intercommunication can be finished, so that the consumer experience is improved; meanwhile, the logistics time and cost of the online shopping are shortened and reduced; consumers can get goods immediately on the automatic goods selling machines after the online shopping, so that the purchase is more convenient; and the method and the system can be widely applied to thefield of automatic goods selling.

The invention provides a circumferential axial negative pressure impact speeding-up tool. The speeding-up tool comprises an outer barrel, a fixed valve seat, a fixed valve block, a movable valve block, an impact barrel, an impact hammer, a reversing valve and a ball bearing, wherein a main valve and a control valve which are mutually in reversing control are arranged in the tool, the inner wall surface of the impact barrel and the outer wall surface of the impact hammer form the main valve, the inner wall surface of the impact hammer and the outer wall surface of the reversing valve form the control valve, the impact hammer and the reversing valve reciprocate when being driven by drilling fluid, a movable-fixed valve group is also arranged in the tool, a movable valve is fixedly connected with the impact hammer, and the movable-fixed valve realizes opening and closing of a central runner by virtue of swinging of the impact hammer. By adopting the structure, the speeding-up tool provided by the invention has the beneficial effects that one circumferential and high-frequency impact is applied to a drill bit by virtue of reciprocating impact of the impact hammer, and stick-slip vibration phenomenon of the drill bit is obviously improved; a drilling column runner is periodically opened and closed by virtue of the movable-fixed valve group, an instant negative pressure pulse is formed at shaft bottom, chip hold down and repeated breaking are reduced, negative pressure pulse well drilling is realized, and mechanical drilling rate is improved.

The invention discloses unpacking equipment of a robot. The unpacking equipment comprises a feed platform, the robot, an unpacking manipulator and a folding machine, wherein the feed platform is usedfor feeding and supplying materials; the robot is connected with the unpacking manipulator so as to drive the unpacking manipulator to take the materials and open cartons above the folding machine under the overturning action of a vacuum chuck; and the folding machine is matched with the robot so as to press and fold large and small hinges of the cartons. The invention further discloses an unpacking method. The unpacking method comprises the steps that the unpacking manipulator is driven to grab the cartons by the robot, the manipulator is driven to put the cartons above the folding machine and open the cartons by the robot, and the robot is matched with the folding machine so as to press and fold the large and small hinges at the bottoms of the cartons. Compared with the prior art, the feed process is simple and convenient, continuous material taking and supplying can be realized, and the unpacking efficiency is greatly improved. The unpacking equipment of the robot has the characteristic of flexibility in production and is suitable for unpacking various cartons of different specifications.

The invention discloses a pressure cooking appliance. The pressure cooking appliance comprises a pot body, a pot cover, a locking assembly for locking the pot cover and the pot body, a heater for heating the pot body, a cooler used for cooling the pot body and / or the pot cover and a controller. The controller is connected with the locking assembly, the heater and the cooler, obtains a midway uncovering point, starts the cooler at the midway uncovering point to conduct cooling to enable the locking assembly to end locking between the pot body and the pot cover when the pressure in the pressure cooking appliance to be smaller than or equal to a preset pressure. By means of the pressure cooking appliance, the cooler is used for rapidly reducing the pressure in the pressure cooking appliance to reach the safe pressure of midway uncovering, the aim of rapidly opening the pot cover is accordingly achieved in the cooking process, and the requirements of a user are met. The invention further discloses a control method of the pressure cooking appliance and another pressure cooking appliance.

The invention provides a microfluidic valve and a microfluidic chip. The microfluidic valve comprises a base, a sleeve, a rotor and micro-columns, wherein the base is provided with micropores; the sleeve is arranged on the base; the rotor is rotatablely sheathed on one end of the sleeve away from the base; the rotor, sleeve and base are matched to form a stirring cavity; the micropores can be communicated with the stirring cavity; and the micro-columns are arranged on the rotor and positioned in the stirring cavity, and can seal the micropores. The microfluidic valve provided by the invention can implement the on-off state of the micropores on the base through the rotation of the rotor, and can also implement stirring and mixing on the liquid in the stirring cavity; and therefore, the microfluidic valve has the functions of flow path on-off and fluid stirring, thereby reducing the number of components installed on the microfluidic chip and further being convenient for assembly.

The invention relates to the field of beef processing, in particular to beef processing equipment. The beef processing equipment comprises a workbench, a power mechanism and a processing mechanism. The processing mechanism comprises a connecting rod, a hammerhead, clamping jaws, hollow transverse rods and storage tubes. The connecting rod is connected to the power mechanism, one end of the connecting rod is abutted against a cam, and the other end of the connecting rod is hinged to the hammerhead. One end of each clamping jaw is hinged to the hammerhead, a hinge column is hinged to the middle of each clamping jaw, and the lower end of each clamping jaw is made of an elastic material and abutted against the workbench in movement. The transverse rods are provided with slide grooves, and the hinge columns are positioned in the slide grooves respectively. Each storage tube is arranged at one end, close to the hammerhead, of the corresponding transverse rod, and the other end of each transverse rod is connected to the workbench through a vertical rod. A retaining plate is slidably connected in a cavity of each transverse rod, one end of each retaining plate is connected to the corresponding hinge column, and the other end of each retaining plate extends into the corresponding storage tube. The beef processing equipment is provided for solving the problem of workload increase caused by moving of a hammer plate in application of existing processing equipment to meat paste processing.

The invention provides a scissor door hinge and a vehicle, and relates to the technical field of vehicles. The scissor door hinge is used for connecting a vehicle door of the vehicle with a vehicle body and driving the vehicle door to be opened and closed, and comprises a driving assembly used for driving the vehicle door to rotate in a vertical plane, and a limiting assembly connected with the driving assembly and the vehicle body, and used for limiting the movement track of the vehicle door, wherein the limiting assembly is arranged to drive the driving assembly to change the movement track of the vehicle door driven by the driving assembly when the driving assembly drives the vehicle door to rotate in a first preset direction in the vertical plane after receiving the instruction of opening the vehicle door, so that the driving assembly drives the vehicle door to move to a first limit position along a preset track in a second preset direction, and then the vehicle door is opened. The scissor door hinge is simple in structure, and small in size and occupied space, opening and closing for the scissor door are realized only by virtue of the driving assembly and the limiting assembly, the scissor door is unique in track during opening and closing, and the opening process or the closing process is smooth.

The invention provides a preparation method of hydrogen and oxygen co-doped graphene, and relates to a preparation technique of a graphene film, in particular to a preparation technique of a hydrogen and oxygen co-doped graphene film. The preparation method comprises the steps of synthesizing an intermediate film by a hydrothermal process, transferring an intermediate and carrying out heat treatment technique on a substrate transferred with the intermediate. The preparation of the hydrogen and oxygen co-doped graphene film with adjustable thickness, controllable conductivity and semiconductorproperty can be realized by the technique.

The embodiment of the invention provides a startup circuit and electronic equipment, and relates to the field of circuits. The startup circuit is used for realizing startup of the electronic equipment through remote control equipment when a remote control circuit is in a non-working state. The circuit comprises a power supply unit, a main circuit control unit, a startup control unit and a first capacitor, wherein the input end of the startup control unit is connected with the output end of the power supply unit; the charging end of the startup control unit is connected with the first capacitor; the output end of the startup control unit is connected with the main circuit control unit; the startup control unit is used for receiving a light signal of a startup signal transmitted by the remote control equipment and converting the light signal into an electric signal for charging the first capacitor in order to start the startup control unit by the first capacitor; the startup control unit is used for triggering the startup of the main circuit control unit during startup.

The invention discloses an improved invention of a silicon oil fan clutch, which is essentially characterized in that a control component is composed of an executing unit, a temperature sensor and an ECU. The executing component and the temperature sensor are respectively connected with the ECU. In the invention, as a previous thermal sensitive spiral and bimetal spring temperature detector is modified into an electronic temperature sensor for detecting the temperature, and then the detected temperature is fed back to the ECU (an electronic controller unit) which rapidly sends out an order to cause the executing unit to be operated after distinguishing treatment, an oil inlet is opened and closed rapidly and precisely by a valve. Compared with the prior art, the invention has outstanding substantive features and obvious progress.

The invention relates to the technical field of parking management methods, and discloses a precise parking management method which comprises a server and a parking space lock. A camera and a controller are arranged on the parking space lock, the camera is used for recognizing license plate number information of a vehicle, and the controller is used for recognizing whether the vehicle needs to beparked in a parking space or not and whether the vehicle leaves the parking space or not and controlling opening and closing of the parking space lock. When the vehicle is driven into the set range ofthe parking space lock, the camera shoots the license plate number of the vehicle, recognizes the shot license plate information and uploads the information to the server; after the server receives the license plate information and carries out accurate parking judgment, the server sends an unlocking instruction to the parking space lock, the parking space lock is unlocked, and then a vehicle is parked in; after the vehicle is driven away from the parking space, the controller identifies driving-away information and uploads the driving-away information to the server, and the controller controls the parking space lock to be closed; manual operation is not needed, unlocking of the parking space lock can be achieved, parking is simple and time-saving, intelligent management of the parking space is achieved, and the parking space lock is suitable for parking in public places and special parking spaces.

The invention relates to a locking mechanism for a chassis battery of an electric passenger car, which comprises an electric lock combined device and a battery hanging combined device matched with the electric lock combined device, wherein a torque is output to the electric lock combined device by a motor and the electric lock combined device is driven by a worm gear, thereby realizing the releasing and the locking between a worm gear arc-shaped slot and a battery combined hook. With the help of the releasing and the locking of the mechanism, the battery hanging combined device assembled witha battery is used for fixing or separating the battery with or from the electric passenger car. The locking mechanism for the chassis battery of the electric passenger car has the advantages of high automation degree, high reliability, strong matching property and low demand on operation skills, and can be used for quickly fixing or separating the battery with or from the electric passenger car.

Provided is a ventilator integrated on a lower transverse keel of a unitized curtain wall. The ventilator integrated on the lower transverse keel of the unitized curtain wall solves the problems that in the prior art, energy waste is caused by irregular ventilation, and the external decorative effect of a curtain wall is influenced. The ventilator integrated on the lower transverse keel of the unitized curtain wall is technically characterized in that a ventilator body which is composed of a shell body, a cross-flow fan and end plates is integrated in the lower transverse keel, the lower transverse keel comprises a cavity closing channel with ventilation openings, a sectional material of a V-shaped groove, and a housing body used for fixing the cross-flow fan, the included angle between the horizontal plane and the V-shaped groove is 45 degrees, the cross-flow fan is fixedly arranged in the V-shaped groove, a long-strip-shaped through hole of the upper ventilation opening of the cavity closing channel and a hole formed in the position corresponding to a stagger ventilation hole of a movable baffle are the same, closing and opening of the cavity closing channel are achieved through relative movement between the movable baffle and the end face, with the upper ventilation opening, of the cavity closing channel, and a detachable pinch plate with an air outlet is arranged on the inner side of a lower transverse keel chamber. The ventilator integrated on the lower transverse keel of the unitized curtain wall is reasonable in structural design, facilitates cleaning, maintenance and replacement of the internal fan, achieves regular ventilation of buildings, achieves the purpose of energy saving, and ensures uniformity of the decorative effect of the unitized curtain wall.

A cam-driven type intermittent feeding fodder smashing device comprises a base, a smashing tank, a rotating baffle, a first drive motor, a first cam, fixed smashing plates, a left smashing plate and aright smashing plate; the smashing tank is arranged on the base; the rotating baffle is rotationally installed on a fixed baffle through a rotating shaft; the fixed smashing plates are fixedly installed on the inner walls of the left side and the right side in the smashing tank through screws; and the left smashing plate and the right smashing plate are installed on a sliding shaft in an interference fit mode. The cam-driven type intermittent feeding fodder smashing device can achieve intermittent feeding, at the same time, the left smashing plate and the right smashing plate move towards thefixed smashing plates intermittently, accordingly continuous squeezing and smashing effects are achieved, discharging and smashing are conducted at the same time, and the situation that fodder is notsufficiently smashed as being discharged too much at a time is effectively avoided; and meanwhile, continuous pressing and squeezing can greatly improve the fodder smashing effect, the fodder can besmashed more sufficiently, and compared with manual grinding, more time and labor are saved, the structure is simple, and practicability is high.

The invention provides an improved HID electronic ballast and a lighting device with the same. The HID electronic ballast provides the energy required for turning on an HID lamp by using serially-connected high-capacity electrolytic capacitors which serve as energy storage elements, and ensures that the current provided increases correspondingly with the load power, that is, the capacities of the capacitors increase with the load power, and besides, the voltage and current are increased, so as to achieve the effect of turning on the HID lamp.

The invention belongs to the field of platform screen doors of high-speed railways / intercity railways and discloses a high-speed railway platform door based on a dislocation structure and a control method thereof. The high-speed railway platform door comprises at least two slide rails which are parallel to each other and are arranged in the length direction of the platform edge, and a plurality ofmovable unit doors which are provided with driving units and are capable of sliding along the respective slide rails are arranged on the slide rails; and each movable unit door comprises a bearing plate at the bottom and a door body unit vertically arranged on the bearing plate, a moving wheel and guide sliding blocks are arranged on the bearing plate, the bearing plate is arranged in each sliding rail through the guide sliding blocks in a sliding mode, the moving wheel is driven via each driving unit to drive the whole movable unit door to move on the ground of the platform in the directionof the sliding rails. The high-speed railway platform door is based on the dislocation structure, a plurality of movable unit doors are arranged on a plurality of rows of slide rails in a staggered manner, and the door opening position is adjusted in real time according to the specification of the incoming vehicle type so as to adapt to various vehicle types on the high-speed railway platform.

The invention discloses an intelligent curtain, wherein a cross beam with threaded outer surface is arranged between a top plate and a sliding rod, and the cross beam is driven to rotate by a drivingdevice, so that a driving member moves on the cross beam, and then the curtain body is pulled or pushed by a pulling rod, thereby realizing the opening and closing of the curtain body and being convenient to use. When the intelligent curtain is in use, according to the control instruction received by the controller, the driving device is controlled to drive the cross beam to rotate forward or reverse, and the curtain body is pulled to move in the direction of the electromagnet by the driving member and the drawing rod, or the curtain body is pushed to move in the direction of the vertical bracket, thereby realizing the automatic opening and closing of the curtain. In addition, when it is necessary to deploy the curtain for shading or windshielding, the movable end of the curtain body can be fixed by utilizing the characteristics of magnets and electromagnets so as to improve the sealing effect of the curtain body and avoid the movable end of the curtain body from being blown up by thewind, thereby affecting the use effect.

The invention relates to a rotation type valve which comprises a pipeline, a rotary valve plate and a fixed valve plate. The fixed valve plate is connected with the inner wall of a pipeline end head, fixed flow holes are formed in the fixed valve plate, and deflect from the central axis of the fixed valve plate; an annular bearing sleeves is arranged on the outer end of the pipeline end head in a sleeving mode, the rotary valve plat is arranged on the annular bearing; rotary flow holes are formed in the rotary valve plate, the rotary flow holes and the fixed flow holes are coaxially arranged, and the apertures of the rotary flow holes are the same as that of the fixed flow holes. Through the rotation of the rotary valve plate relative to the fixed valve plate, the rotary flow holes and the fixed flow holes coincide or intersect, thus the fluid in the valve opens and closes. Most control parts of the valve are arranged inside of the valve, the occupied exterior space of the valve is small, the problem of collision of people or items during the operation is avoided, thus the safety is ensured, unnecessary injuries are reduced. The rotation type valve is simple in structure and convenient to operate.

The invention discloses a method and a system for realizing page hopping by means of a customized URL (Uniform Resource Locator) in a mobile client, and relates to the technical field of page hopping. The method comprises the following steps: a server side sends a hopping-required page URL character string to the mobile client according to a customized URL format negotiated with the mobile client; the mobile client judges whether the character string can be parsed after receiving the page URL character string in the customized URL format; ending the step if not; parsing the character string if yes; fetching a functional part required to be realized and a hopping-required page name part, and performing authentication; ending the step once a certain part does not pass the authentication; and opening a page according to the parsed hopping-required page name part and a hopping-required page path part if all parts pass the authentication, so as to complete the page hopping. According to the method disclosed by the invention, the hopping of arbitrary page can be realized, repeated configurations are not needed, and the method is convenient, quick, time-saving and labor-saving.

The invention discloses a wet-and-dry dual-purpose floor brush for a vacuum cleaner. The wet-and-dry dual-purpose floor brush comprises a floor brush body the bottom of which is provided with at leastone dust suction port and a wet-type floor mopping device, and the wet-type floor mopping device comprises a bottom plate used for installing a mopping cloth and a liquid supply tank which is locatedat the upper side of the bottom plate and used for supplying clean liquid to the mopping cloth; several liquid outlet holes are formed in the bottom plate, an air inlet communicated with the outsideis formed in the liquid supply tank, the bottom of the liquid supply tank is provided with a liquid outlet which is in fluid communication with the liquid outlet holes, the liquid outlet is provided with a valve for opening and closing the liquid outlet, an action part capable of being operated by a user is arranged outside the liquid supply tank, and the user can operate actions of the action part to open or close the liquid outlet through transmission arrangement of the action part and the valve. In this way, the user can timely close the liquid outlet of the liquid supply tank after finishing using the floor mop, so that the liquid is prevented from continuing to flow towards the ground.