89results about How to "Normal service life" patented technology

The invention discloses an intelligent unlocking method and an intelligent unlocking device and an independent battery. By the intelligent unlocking method, the technical problem that the user identity authentication is incomplete during the opening and closing process of existing lockset is solved. The method comprises the following steps: integrating identifying information in the independent battery; electrically connecting the independent battery and a frame circuit; and uploading the identifying information through the frame circuit. While simplifying software and hardware configuration for the authentication process, completion of the authentication process is satisfied and potential hazard caused by faults of a mobile terminal is avoided. Meanwhile, the battery is protected by the user, and normal service life can be achieved. The invention also involves an intelligent unlocking device and an independent battery.

The invention discloses a refrigeration heat pump type frostless air conditioning outdoor unit. The refrigeration heat pump type frostless air conditioning outdoor unit includes an outdoor unit housing, an evaporator, a fan, an intermediate partition plate, a compressor and frequency conversion electrical control module space, a frequency conversion electrical control box, and a compressor. An air induction channel air inlet is arranged in a fan air outlet, a plane formed by the fan air outlet is used as a projection plane, projections of a plane formed by the air induction channel air inlet and the plane formed by the fan air outlet on the projection plane form an overlapped plane, an air induction channel passes through the intermediate partition plate and communicates with the compressor and frequency conversion electrical control module space; an air collection cover is arranged on the outdoor unit housing of the compressor and frequency conversion electrical control module space; the air collection cover is connected to a heating air supplying duct; air outflowing from the fan enters the compressor and frequency conversion electrical control module space through the air induction air channel, flows through the compressor and the frequency conversion electrical control box, and then enters the air collection cover to be conveyed to an evaporator air inlet side by the heating air supplying duct, and flows out. The refrigeration heat pump type frostless air conditioning outdoor unit can achieve frostless heating, can cool the compressor frequency electrical control module, is large in evaporation capacity and heating capacity, and is high in air conditioning energy efficiency.

The invention discloses a dampproof storage box of a precise power supply instrument. The dampproof storage box comprises a box body, a box cover is arranged at the top of the box body, an instrument supporting plate is arranged at the bottom of the box body, and an inner cavity of the box body is divided into a storage cavity and a moisture absorption cavity through the instrument supporting plate. The instrument supporting plate is provided with supporting-plate ventilation holes communicated with the storage cavity and the moisture absorption cavity. A drawer hole is formed in the side wall, corresponding to the moisture absorption cavity, of the box body. A moisture absorption drawer stretching into the moisture absorption cavity is inserted in the drawer hole, the moisture absorption drawer and the drawer hole are arranged in a sealed mode, and moisture absorbents are arranged in the moisture absorption drawer. The precise power supply instrument is precise and heavy, and a plurality of storage boxes are stacked together during storage; by means of the dampproof storage box, the moisture absorbents can be replaced under the circumstance that the storage box and the instrument do not need to be moved, the instrument can be placed in the box for any period of time, and the reliability and the normal service life of the precise power supply instrument are guaranteed.

The invention provides an express delivery sending and taking system. The system comprises an APP terminal, an intelligent express delivery box, a central server and an express delivery box sending and taking terminal. The APP terminal is communicated and connected with the central server and transmits a delivery address and other information to the central server. The intelligent express deliverybox is used to store express delivery items, communicate with and connect the central server, and can transmit information of packaging, positions and the like, can receive a central server instruction and has a secret key input function. The express delivery box sending and taking terminal is used for conveying and recycling the intelligent express delivery box and receiving the instruction of the central server. The intelligent express delivery box can be sent to the assigned position of a user, such as a home door or an office door and the like. A problem of difficult delivery in the lastmile is well solved, and the user can conveniently receive express delivery and can conveniently send the express delivery and so on. The sending and taking efficiency of the express delivery is increased, the sending and taking are convenient, cost is low, and convenience and intelligence are greatly increased.

The invention relates to the technical field of sport equipment, and discloses a ball serving device for sports fixed-point shooting training. The ball serving device comprises an upper machine shell,wherein a ball inlet pipeline is fixedly connected to the middle of the top end of the upper machine shell in a sleeved mode. Each rolling wheel at the bottom end of a traditional ball serving machine is changed into a universal wheel, so that the four corners of the bottom end of the ball serving machine are provided with universal wheels respectively, and the stability of the ball serving machine in the moving process is guaranteed; a guide wheel is arranged in the middle of the bottom end of the ball serving machine, and a rotating shaft movably sleeved with a power system is arranged at the top end of the guide wheel, so that the power system can adjust the rotating speed of the rotating shaft through a preset track so as to adjust the rotating angle of the guide wheel; and when the power system controls the universal wheels to move, the ball serving machine moves along the offset direction of the guide wheel, so that the ball serving machine can adjust the ball serving position,and the comprehensive capability of an athlete is improved by training the reaction capacity of the athlete, and the reasonability and the reliability of the ball serving machine are improved.

The invention provides a nut paste processing method of a food processer. The method includes the following steps of braking and crushing, wherein in the braking step, a heating plate is used for heating nuts in a cup body until the nuts are cooked, and in the crushing step, a motor drives a crushing blade to rotate so as to crush the nuts in the cup body. The food processor is used for preparingnut paste, compared with a traditional household making method, the method is more convenient and faster, preparation steps are few, required utensils are few, the preparation process is pleasant, pleasure obtained by users in the preparation process is greatly increased, and the DIY fun of the users is increased. Meanwhile the heating plate is arranged at the lower end of the cup body, the heating plate includes a heating plate body and a heating pipe arranged on the side wall of the heating plate body, in this way, the nuts on the bottom are not burnt, the nuts are heated from the side face,the nuts can thus be heated more uniformly, it is ensured that the nuts are cooked, have no scorched flavor and also can produce strong nut fragrance, and therefore the made nut paste is more delicious and mellow.

The invention discloses an air conditioner energy output regulating method and an air conditioner. The air conditioner comprises a compressor, a four-way valve, a gas-liquid separator, an outdoor heat exchanger, an indoor heat exchanger, a shunt loop and a controller. One end of the shunt loop is connected between the output end of the compressor and the input end of the four-way valve, and the other end of the shunt loop is connected between the backflow end of the four-way valve and the input end of the compressor. The controller is used for controlling the shunt loop to be electrified or closed. The air conditioner energy output regulating method comprises the following steps that whether energy output of the compressor during operation of the air conditioner is excessive or not is judged by the controller; and if the energy output of the compressor is excessive, the shunt loop is electrified by the controller until the energy output of the compressor returns to normal. According to the air conditioner energy output regulating method and the air conditioner, electrification and closure of the shunt loop can be automatically controlled according to the actual working state of the air conditioner, and excessively output coolants are timely shunted, so that the technical problems that the service life is shortened and the reliability is reduced due to overclock operation of the compressor are solved.

The invention provides a recyclable express box capable of automatically pricing and a using method thereof. The recyclable express box comprises a box body and a box cover, and further comprises a pricing module for automatically pricing expressed objects in the express box, wherein a power supply module, a wireless communication module, a display control module and an electronic lock electrically connected with the display control module are arranged in the box cover; the wireless communication module is in communication connection with a central server; a locking part matched with the electronic lock is arranged in the box body; the pricing module comprises a pricing chip and a weighing unit electrically connected with the pricing chip; and the weighing unit is arranged on the bottom ofthe box body. The express box can be repeatedly used, so that environmental pollution is reduced; and the weighing unit can realize automatic pricing, and convenience and intelligent property when the express box is used are improved, so that the express box is applied and popularized very well.

The invention provides a mechanical arm and a garbage transport truck and belongs to the field of environmental sanitation vehicles. The mechanical arm comprises a clamping mechanism, a turning mechanism and weighing device, wherein the clamping mechanism is connected with the turning mechanism which can drive the clamping mechanism to rotate; the clamping mechanism is used for clamping a garbage can and comprises a rack, a first drive device, a fixed pressing frame and a movable pressing frame; the fixed pressing frame is fixedly connected with the rack; the movable pressing frame is rotationally connected with the rack; the first drive device is used for driving the movable pressing frame to rotate and enabling the movable pressing frame to get close to or get away from the fixed pressing frame; and the weighing device is arranged on the movable pressing frame. When the clamping mechanism clamps the garbage can and rotates under the action of the turning mechanism, the garbage can abut against the weighing device. In the pouring process of the garbage can, the weighing device can measure the weight of the garbage can, and the mechanical arm is prevented from being damaged by overloads. The garbage transport truck comprising the mechanical arm has a weighing function, and the normal service life of the garbage transport truck can be ensured.

A farmhouse cauldron steam recovery system is provided with a farmhouse cauldron and a steam removal device. A sealing ring is arranged between a cauldron cover of the farmhouse cauldron and a cauldron body. One end of the cauldron cover is hinged to the cauldron body, the other end of the cauldron cover is provided with a lock mechanism, and the cauldron cover is provided with a steam exhaust port, a backflow port, a pressure warning device, an exhaust valve and a safety valve. The steam removal device is provided with a box shell, a water storage chamber and a cooling chamber are arranged in the box shell, a water inlet pipe and a drainage pipe are installed in the water storage chamber, the cooling chamber is provided with an inlet and an outlet, the inlet is connected with the steam exhaust port through a steam pipe, the outlet is connected with the backflow port through a backflow pipe, and a decompression valve is installed on the top of the cooling chamber; heating pieces and a filter tank are installed on the steam pipe; the steam removal device is further provided with a mixing box, a small steam power machine and a hand-operated air blower, the small steam power machine is in power connection with the steam pipe and in power connection with the hand-operated air blower, the box shell is provided with a small refrigerator and a storage battery, the water inlet pipe is provided with a water pipe power generator, and the box shell is provided with an air pressure thermometer.

The controller for inhibiting the temperature of display screen is used to maintain the environment temperature of the display screen in the preset temperature level and to avoid the display screen operating in abnormal temperature so as to ensure the service life. The control unit of the present invention is connected to one temperature sensing unit to detect the environment temperature and to output one temperature signal to the control unit, and compares the temperature signal and the preset value to determine the drive voltage to the cold cathode tube, so as to make the display screen operate in optimal environment temperature.

The invention discloses a device and method for pressing rubber joints to an electric motor. The device comprises a bottom plate, a pressing block, a pressing sleeve, a first guide plate, a second guide plate, a clamping plate and a guide bar, wherein the bottom plate, the first guide plate, the second guide plate and the clamping plate are sequentially arranged in spaced and coaxial modes; the guide bar is arranged in the bottom plate, the first guide plate, the second guide plate and the clamping plate in a penetrating mode; a space for containing rubber joint installation holes is reserved between the second guide plate and the clamping plate; the pressing block is arranged in the position, facing one side of the bottom plate, of the first guide plate; the pressing sleeve is arranged in the through hole of the first guide plate in a penetrating mode and makes contact with the pressing block; and the pressing sleeve is provided with inner holes used for containing the flat portions of one end of the rubber joints. When the joints are to be pressed, a stress application mechanism arranged between the bottom plate and the first guide plate is used for transferring pressing force to the rubber joints sequentially through the pressing block and the pressing sleeve, the pressing block, the pressing sleeve and the first guide plate move towards the side where the second guide plate is located, and accordingly the rubber joints are pressed into the rubber joint installation holes. The device and method can achieve the technical purpose of directly pressing the rubber joints onto the electric motor.

The invention discloses a leveling device of a lifting device of an aerator. The leveling device of the lifting device of the aerator comprises a round pipe clamp, a leveling device body, a lifting rod, a supporting column and a lifting unit. The leveling device of the lifting device of the aerator blows a fan disc through an external air pipe to promote the fan disc to rotate, the rotation of thefan disc ejects an extrusion ball, the ejected extrusion ball extrudes an action extrusion pad, a torrent exhaust pipe continuously spirally moves, spiral movement is carried out through water flow,the floating ball type aerator is skewed in the transportation process, horizontal water flow force exists to make a balance with the skewed force of the floating ball type aerator, so that the floating ball type aerator does not skew into the water, and it is guaranteed that the floating ball type aerator cannot be damaged by electricity. The supporting is stabilized by rubber pads, and the two sides of the circular tube clamp are locked by shrinking and stabilizing ladder plates, so that the circular pipe clamp does not swing during rising, it is guaranteed that the compact oxide film outside a supporting rod cannot be damaged, and the supporting rod can reach the normal service life.

The invention relates to an automatic steering integrated control device of a fire engine. The automatic steering integrated control device comprises a steering rod, a gear transmission mechanism, an oil storage tank, an oblique support and a limit support mechanism, wherein, the gear transmission mechanism comprises a transition sleeve with a shaft shoulder, a gear connecting plate, a steering rod gear, a transition gear and a motor; the transition sleeve is fixed on the steering rod; the steering rod gear is arranged on the transition sleeve; the gear connecting plate is sheathed on the transition sleeve and can relatively rotate; a transition shaft and the motor are arranged on the gear connecting plate; the steering rod gear is meshed with a driving gear on the motor through the transition gear arranged on the transition shaft; the oil storage tank is arranged on the bottom surface of the gear connecting plate and is hermetically connected with the steering rod; the limit support mechanism comprises a limit rod and more than two support rods which are arranged on the oblique support; a guide rod is arranged in a limit slot of the gear connecting plate; and the support rods prop against the bottom of the gear connecting plate. The automatic steering integrated control device has the advantage that the engagement position of a drive gear pair does not need to be adjusted after a head frame is maintained, thus keeping transmission efficiency.

The invention discloses a stabilizing smoothening and rotary grinding device for capacitor tank sealing equipment. The structure of the device comprises a punching seat, a stabilizing smoothening and rotary grinding device body, a sealing head and a machine body. According to the device, a multi-rail plate is driven to rotate through a floating shaft rounding about a grooved pipe, and thus force is stored in a guide plate; air pressure in the guide plate increases to push a pneumatic rotating wheel to drive a flying ball to rotate at high speed; an elastic cushion at the side edge is extruded through the flying ball in transverse rotating, and meanwhile, the shaking force is consumed by the flying ball in transverse rotating, so that spring copper cannot be inclined during sealing, and a capacitor can reach normal service life; and meanwhile, a core covering structure of the capacitor is stable, and the capacitor is prevented from exploding due to unstable core covering structure during use; burrs at a connecting part of a gluing cover plate of a variable-capacity vacuum capacitor can be removed through a fine pyramid on a grinding cone pulley in a rotary grinding manner, so that the nice appearance of the variable-capacity vacuum capacitor is ensured, and moreover, the circumstance that workers are punctured by the burrs can be avoided.

The invention discloses an extended-range electric vehicle energy management control method which comprises the following steps: according to the power requirement of a whole vehicle, referring to a universal characteristic curve graph of an engine, respectively selecting a working point when the engine is in light, medium and high loads, and respectively defining the selected three working pointsas a working point 1, a working point 2 and a working point 3 of a range extender, wherein the engine output powers corresponding to the three working points are P1, P2 and P3; according to the performance of the power battery, setting two battery SOC trigger points, namely SOC_high and SOC_low; setting two vehicle speed triggering points, namely Vhigh and Vlow, according to the power performanceof the whole vehicle; and S3, according to different power battery SOC values and current vehicle speed values, taking the battery SOC trigger point and the vehicle speed trigger point selected in the step S2 as references, combining the accelerator pedal state and road slope information, switching working points of an engine, and carrying out energy distribution on the whole vehicle under different loads.

The invention provides a telescopic lip brush and belongs to the field of cosmetic applicators. The telescopic lip brush comprises a telescopic handle, a brush head and a lifting device, wherein the lifting device is arranged in the telescopic handle; the telescopic handle comprises a movable body and a fixing tube sleeving outside the movable body; the lifting device comprises a gear, a first rack and a second rack; the first rack and the second rack are arranged along the telescopic direction of the telescopic handle; the gear is rotatably connected with the movable body; the first rack and the second rack are meshed with the gear; the first rack is fixed to the fixing tube; the second rack is connected with the movable body in a sliding manner; the brush head is fixed to the second rack. Through relative movement between the movable body in the telescopic handle and the fixing tube, the brush head can be retracted in the handle; the outside interference on the brush head can be avoided; the cleanliness and the normal service life of the telescopic lip brush can be ensured.

The invention provides a getting-on-and-off stepping device and an automobile and belongs to the technical field of automobiles. The getting-on-and-off stepping device comprises a base, a folding mechanism, a first driving device, a limiting body, a limiting piece and a second driving device. The folding mechanism comprises a first connecting rod, a second connecting rod and a stepping plate. Thefirst connecting rod, the second connecting rod, the stepping plate and the base constitute a parallelogram mechanism. The first driving device is used for driving the first connecting rod to rotate relative to the base. The limiting body is fixed to the base and provided with a limiting groove. The limiting groove comprises a first linear groove which is provided with a clamping end. The limitingpiece and the stepping plate are movably connected. The limiting piece comprises a clamping part. The second driving device is used for driving the limiting piece to move relative to the stepping plate. When the stepping plate is located on the a limiting position, the second driving device can drive the limiting piece to move to enable the clamping part to be clamped into the first linear groove; and after stepping force is applied to the stepping plate, the first driving device does not need to bear external force, so that the first driving device is not prone to being damaged.

The invention discloses a comfortable rosewood chair which comprises a chair back, a seat plate, chair legs and handrails, wherein the chair back is connected with the seat plate by a rotating shaft, and can rotate within a certain angle relative to the seat plate; each handrail consists of an armrest rod and a support rod; connecting parts between the armrest rods and the support rods adopt separate structural design; one end of each armrest rod is fixedly connected with the chair back; and one end of each support rod is fixedly connected with the seat plate. The comfortable rosewood chair is reasonable in structural design; an angle between the chair back and the seat plate of the rosewood chair is adjustable, so that use requirements of people in different states are met, and a more comfortable working state is provided for the people; in addition, the angle between the chair back and the seat plate is convenient to adjust; the stability performance of the rosewood chair after adjustment is excellent; and the normal service life of the rosewood chair can be ensured.

The invention relates to a building-based reinforced concrete structure detection system and method. The building-based reinforced concrete structure detection system comprises a movement system, a detection system and an adjustment system; the moving system comprises a first connecting rod, one end of the first connecting rod is connected with a first rotating shaft, the other end of the first connecting rod is connected with a second rotating shaft, the first rotating shaft is hinged to the first fixing block, and the second rotating shaft is connected with the output end of a driving motor; the adjusting system comprises a second fixing block, a plurality of guide rods are arranged on the second fixing block, compression blocks are arranged on the guide rods, and springs are arranged on the compression blocks. The system can adapt to reinforced concrete with different shapes and different diameters by adjusting the form so as to detect the reinforced concrete, the detection is not influenced by the length of the reinforced concrete, the system can perform internal-to-external extension detection on the reinforced concrete with different diameters, and a luminous body emits detection light to the periphery, when the system passes through each detection position, all-around detection can be carried out on the position, and the detection efficiency is higher.

The invention discloses a mobile working platform integrating power distribution operation and maintenance, which includes a cab, one side of the cab is fixedly connected with a compartment, and the bottom of the cab and the compartment are both movably connected with wheels, and the two sides of the top of the compartment are The lighting device is fixedly connected, the inner wall of the compartment is fixedly connected with a vertical partition, and the two sides of the vertical partition are respectively fixedly connected with a first transverse partition and a second transverse partition, and the bottom of the inner wall of the compartment is located on the right side of the vertical partition. The side is fixedly connected with a base plate, the base plate is slidably connected with an operating panel, and the top of the inner wall of the compartment is movably connected with a first door plate through a central axis. The integrated mobile work platform for power distribution operation and maintenance facilitates the use of users, shortens the time for taking and working, improves work efficiency, ensures the normal service life of the equipment, and prevents equipment from being lost to the country and enterprises. Cause economic losses, improve the efficiency of use, and better achieve the effect of lighting.

The invention provides a software refresh control method and device and Internet of Vehicles equipment, which are applied to the technical field of automobiles. According to the invention, after a refresh instruction is obtained, the current SOC values of a target data packet and a storage battery are obtained, when target software corresponding to the target data packet is calculated and refreshed according to the target data packet, according to the electric quantity threshold of the storage battery, the size relationship between the current SOC value of the storage battery and the electricquantity threshold of the storage battery is compared, and if the current SOC value is not smaller than the electric quantity threshold of the storage battery, the target software is refreshed. According to the software refresh control method and device and the Internet of Vehicles equipment provided by the invention, the electric quantity of the storage battery is assessed before each piece of software is refreshed, and the target software is refreshed on the premise that the current SOC value of the storage battery is not smaller than the electric quantity threshold of the storage battery, so that deep discharge of the storage battery caused by software upgrading is avoided, and the normal service life of the storage battery is ensured.

The invention discloses a transformer balancing device for a distributed new energy power distribution network, and relates to the field of transformers. In view of the problem that the increase in internal heat of an existing transformer causes damage to internal electrical components, the following scheme is put forward, namely, the transformer balancing device comprises a transformer body and amounting plate, symmetrically-arranged cooling fins are installed on the two sides of the transformer body, the bottom end of the transformer body is connected with a base, a sliding groove is formedin the top end of the mounting plate, two symmetrically-arranged sliding blocks are connected in a sliding manner into the sliding groove, and an adjusting rod is rotationally mounted between the inner walls of the two sides of the sliding groove. According to the invention, transformers with different sizes can be mounted in a balanced manner, buffer protection can be provided for transformers,and dust on a filter plate and an electrostatic adsorption plate can be removed. Therefore, the ventilation efficiency of the filter plate can be improved, the heat dissipation efficiency can be improved, the balance of heat production and heat dissipation can be achieved as much as possible, and normal service life of electrical components in the transformer is guaranteed.

The invention discloses a new energy vehicle quick charging pile with an electric leakage protection function. A moisture-proof bottom plate is included. A charging cabinet body is fixedly connected to an upper surface of the moisture-proof bottom plate, a storage battery containing cavity, a charging wire winding cavity and a motor cavity are arranged in the charging cabinet body, a storage battery is fixedly connected to an inner bottom wall of the storage battery containing cavity, and a charging wire winding roller is rotatably connected to the inner wall of the charging wire winding cavity through a ball bearing. According to the new energy vehicle quick charging pile with the electric leakage protection function, an n-shaped fixing frame and a rainproof plate are arranged; rainwatercan be prevented from entering the charging gun containing cavity; by arranging a sealing cover, rainwater can be prevented from entering a touch operation display screen; and by arranging a photovoltaic solar panel, a rain shielding plate and a rain shielding fence plate, the rainwater can be prevented from entering the charging cabinet body, and sunlight can be prevented from directly irradiating the charging cabinet body so that erosion of sunlight or rainwater to the charging cabinet body is reduced, and a normal service life of the charging cabinet body is guaranteed.

The invention discloses a power supply monitoring device convenient to maintain, and belongs to the technical field of power supply monitoring, the power supply monitoring device comprises a box body, a first cavity is formed in the box body, a pushing mechanism is clamped on the upper surface of the inner wall of the first cavity, a cam is lapped on the upper surface of the pushing mechanism, and a driving mechanism is fixedly connected to the front surface of the cam. According to the power supply monitoring device convenient to maintain, the first electromagnetic valve, the sliding sleeve, the clamping rod and the clamping hole are arranged, the first electromagnetic valve is controlled to be opened, the second electromagnetic valve is controlled to be closed, the driving mechanism is controlled to work, and when the piston plate moves downwards in the first cavity, the clamping rod moves out of the clamping hole. Compared with the existing power supply monitoring device, the device can be disassembled without repeatedly operating the screw by using an auxiliary tool, so that the operation is relatively simple, a worker can quickly disassemble the power supply monitoring device, and the worker can conveniently maintain the device.

The invention provides a block splicing type PC component universal mold. The block splicing type PC component universal mold comprises corner mold blocks and side mold blocks. Each corner mold blockis provided with a first connecting surface and a second connecting surface vertical to the first connecting surface, wherein a female connecting part is arranged on the first connecting surface, anda male connecting part is arranged on the second connecting surface. Each side mold block is provided with a first connecting end and a second connecting end, wherein the second connecting end is theend, away from the first connecting end, of the side mold block, a female connecting part is arranged on the end face of the first connecting end, and a male connecting part is arranged on the end face of the second connecting end. The male connecting parts can be embedded into the female connecting parts to be detachably connected with the female connecting parts. Maintenance is convenient, as side molds and corner modes are standard products, under the condition that one side mold cannot meet the production requirements, the side mold is directly replaced with another side mold, side molds do not need to be machined and manufactured again, a large amount of time is saved, and a large amount of time is reduced; and the mold is easy to detach, it is only needed to firstly detach the cornermold blocks and then move the side mold blocks with a tool, it is not needed to mechanically knock or hydraulically forcedly detach the mold blocks, and therefore a large amount of labor is saved.

The invention discloses a washing machine. The washing machine comprises a water inlet device, the water inlet device comprises a water inlet and a water outlet, the washing machine further comprisesa foam detecting device, the foam detecting device emits a measurement signal to the water inlet device, the height of foams in the water inlet device is determined according to the receiving time ofan echo signal, and a control device of the washing machine controls the water inlet flow of the water inlet device according to the height of foams detected by the foam detecting device. In the washing machine, the foam detecting device is additionally arranged in the water inlet device, in this way, the foams are effectively prevented from overflowing from the water inlet device, contaminating ashock absorber or other components and rusting the interior of the washing machine, and then the normal service life of the washing machine is guaranteed.

The invention relates to an anti-collision traveling core head. The anti-collision traveling core head comprises a core head body which is provided with a large head end and a small head end, and a transitional surface is formed between the large head end and the small head end; the core head body is of the structure that the two ends are communicated; an anti-collision rod used for counteracting collapsing force generated when the core head body collides with other traveling core heads in the drawing process is arranged in a through hole formed in the core head body; the two ends of the anti-collision rod protrude out of the core head body. According to the anti-collision traveling core head, by additionally arranging the anti-collision rod in the core head, the core head does not directly make contact with the other traveling core heads when the traveling core head is collided, and the phenomenon that the traveling core head is damaged in advance when the traveling core head does not reach the end of the service life is prevented from occurring.