1287results about How to "Solve the fragile" patented technology

The invention relates to a smokeless air fryer which finishes the cooking of foods and does not exhaust smoke by utilizing the high-speed hot air circulation technology. The smokeless air fryer comprises an air fryer fixed body and an air fryer movable body, wherein a top-driven power supply switch is arranged on one side of the lower end surface of a boss part at the front part of the air fryer fixed body, and a timer is arranged at the boss part; a top-driven boss is arranged on one side of the upper end surface of a handle of the air fryer movable body, and the handle is in locking and opening matching with an object containing mesh basket; the top-driven boss is in top-driven opening and closing matching with the top-driven power supply switch on one side of the lower end surface of the boss part of the air fryer fixed body; a planer screw type electric heating tube is arranged below hot air blades of the air fryer fixed body, a power supply joint of the planer screw type electric heating tube is connected with the inner wall of the air fryer fixed body through a connection assembly, and a tube body of the planer screw type electric heating tube is elastically connected with the inner wall of the air fryer fixed body through a tension spring; and the center of the bottom of an oil collecting backflow pot of the air fryer movable body is in an arc bulge shape, and the wall circumference and the bottom of the oil collecting backflow pot are in an arc shape.

The invention discloses a positioning and navigation system of an indoor robot, comprising an optical label transmitter, a wireless module, a motion control module, a motion mechanism, an optical label detector, a positioning navigation module and a wireless module, wherein the optical label transmitter is used for forming an optical label on the fixed surface, and the position of the optical label in the fixed surface corresponds to the position of the robot in the motion area in a one-to-one manner; the wireless module is used for receiving navigation signals; the motion control module is used for generating corresponding drive control signals according to the received navigation signals; the motion mechanism is used for operating and driving the robot to move according to the drive control signals; the optical label detector is used for detecting the optical label and determining a coordinate of the optical label; the positioning navigation module is used for positioning the position of the robot in the motion area according to the coordinate of the optical label, and generating navigation signals according to a target position and the position planning and the corrected moving path of the robot; and the wireless module is used for sending the navigation signals. The invention also discloses a method applying the system. The method and the system are accurate in positioning, flexible in route planning and lower in cost.

The invention discloses a hydraulic-drive four-leg robot. The modular hydraulic-drive four-leg robot has the advantages that the hydraulic-drive four-leg robot is good in dynamic balance and high in topographical adaptability, loading capacity and cost performance, and is in a modular and bionic structural design, four leg shapes can be switched over by means of quickly assembling and disassembling subassemblies, the modular hydraulic-drive four-leg robot is multipurpose, and merits and shortcomings of various leg shapes are verified by experiments at a physical prototype stage; each single leg is provided with two leg sections, has three degrees of freedom and comprises a hip joint and thigh assembly, a knee joint and shank assembly and a side sway assembly; a side sway and connecting block combining form is adopted for each thigh portion according to a bionic principle, so that sufficient rigidity and strength are guaranteed, the hydraulic-drive four-leg robot can bear a load stably while the weight of the robot is reduced to the greatest extent, and sufficient activity space for hydraulic cylinders is guaranteed; shank portions comprise foot-end rubber pads and passive retractable bidirectional spring shock absorption mechanisms, and instant impact force generated when the robot is in contact with the ground can be effectively buffered and absorbed under multiple shock absorption actions; problems of limited service lives of components and vulnerability of electronic elements such as foot-end force sensors due to the fact that impact force disappears and springs are rebounded quickly when an existing robot leaves the ground can be solved by the aid of the bidirectional spring mechanisms.

The invention provides an online and intelligent optical cable monitoring and fault positioning system based on a GIS platform. The online and intelligent optical cable monitoring and fault positioning system comprises a monitoring unit and a positioning unit, wherein the monitoring unit comprises an intelligent diagnosis mainframe, a diagnosis unit and a PC terminal display unit, the intelligent diagnosis mainframe comprises a central processing unit and an optical time domain reflectometer module, an optical path switching module and an optical power monitoring module connected with the central processing unit, the diagnosis unit comprises a power module and a light source device, an optical coupling module and an optical protection module connected with the power module, and the positioning unit comprises a fault locator arranged in an optical cable. Information is processed by calling optical cable information in time, and meanwhile the system can flexibly utilize a geographic information system (GIS) technology, adopts rack-type integration, and is high in integration level, good in stability and high in expandability. When breakdown occurs, the system can clearly display fault GPS points and fault types, maintainers can perform accurate positioning through a GIS map, and accordingly the maintenance efficiency is improved.

The invention discloses a four-layer water capsule used for cigarettes and a manufacturing method of the four-layer water capsule. According to the four-layer water capsule used for cigarettes, water-soluble essence serves as an inner layer in the capsule, water serves as a solvent to dilute the essence, sodium alga acid complex compounds serve as the middle layer to wrap the water and the essence, waxy material serves as the third layer to prevent possible permeation of the water in the capsule, and sodium alga acid also serves as raw materials for the outermost layer to form a protection film so that cracking of the waxy layer can be reduced and the efficiency of adding the capsule to cigarettes can be improved. The manufacturing method of the four-layer water capsule includes the steps of wrapping a cigarette additive in a special rubber sheet and manufacturing the capsule through a dropping method. Dropping pills of the cigarette additive are manufactured through a dropping mechanism, used for filter tips and wrapped in tobacco bundles, and the additive or the essence is exposed when the four-layer water capsule is used and pinched broken by hand. The method is simple and practicable in process, simple in device, capable of being directly used for cigarette machining and convenient to popularize and apply. Raw materials are wide in source and low in cost.

The invention relates to lycium ruthenicum tablets and a production method thereof. The lycium ruthenicum tablets are prepared by taking lycium ruthenicum as a raw material, selecting, washing, extracting, centrifuging for separation, performing membrane concentration, performing vacuum concentration, weighing, drying, grinding, mixing, pelletizing, drying, straightening and tabletting. The purpose of the invention is to solve the problems of high procyanidine loss and high organic solvent residue content when the lycium ruthenicum tablets are produced by a traditional method. The production method is simple and low in cost, the extraction rate of procyanidine reaches more than 92%, and the prepared lycium ruthenicum tablets are convenient to carry, high in added value and free from organic solvent residues.

The invention discloses double-network ionic gel with stimulation responsiveness and self repairability. Ionic liquid serves as a substrate, P(VDF-co-HFP) is used as a physical cross-linking network,dynamic covalent bond cross-linked PMA (polymethacrylate) copolymer serves as a chemical cross-linking network, and the two polymer cross-linking networks penetrate mutually to form a double network.Under synergistic effects of the double network, the ionic gel is excellent in mechanical performance, thermal stability and ionic conductivity. In addition, due to containing of reversible dynamic covalent bonds, self repairability under stimulation of light, thermal and the like can be realized. The ionic gel can be widely applied to lithium ion battery solid-state polyelectrolyte materials, gasseparation membranes, flexible electric devices, electrochemical sensors and the like.

The three dimensional measuring device used in the dental field and aimed at measuring in the absence of projection of active or structured light, includes an image-capturing device and data-processor for images. The image-capturing device is capable of simultaneously, or almost simultaneously, capturing at least two images, one of which is totally or partially included in the other one. The included image describes a narrower field than that of the other one, and has a higher accuracy than that of the other one.

The invention discloses a rigid-flexible combined circuit board and a manufacturing method thereof and belongs to the technical field of printed circuit boards. The manufacturing method comprises the steps of manufacturing of flexible core boards, manufacturing of rigid core boards, manufacturing of rigid-flexible sub-boards and depth-controlling and groove-milling; the manufacturing step of the flexible core boards comprises the steps of: (1) drilling holes: choosing flexible boards with two copper layers having thicknesses of H1 and H2, in which H1 is less than H2); and drilling blind holes on the copper surface with the thickness of H1 by a laser drill; (2) plating holes; and (3) circuits; the manufacturing step of the rigid-flexible core boards comprises laminating the flexible core boards and the rigid core boards with non-flowing prepregs; the depth-controlling and groove-milling step comprises performing depth-controlling and groove-milling to open windows and expose the flexible zones. According to the rigid-flexible combined circuit board and the manufacturing method thereof, the difficulty of drilling blind holes on the flexible substrate is reduced to lay a foundation for realizing mass production of the rigid-flexible combined circuit boards. The rigid-flexible combined circuit board prepared by the method has the advantages of high accuracy and dimension stability of the blind holes, good uniformity of surface copper and good flexibility of flexible zones.

The invention discloses a method for preparing an epoxy and polyvinyl chloride (PVC) composite flexible faced material, which comprises the following steps of: preparing an epoxy coating by weighing, baiting and stirring, uniformly coating the epoxy coating on the surface of glass fiber cloth of a PVC glass fiber composite coating through a coater, then baking for 15 to 20 minutes at the temperature of between 90 and 120 DEG C, and finally cooling, trimming and coiling to obtain the epoxy and PVC composite flexible faced material. Specific raw materials and proportion of the raw materials are adopted in the method; and the produced epoxy and PVC composite flexible faced material has excellent physical and chemical properties of epoxy resin such as abrasion resistance, scouring resistance, grease dirt resistance, ageing resistance, strong chemical resistance, strong adhesive force and the like. Because the PVC coating with good flexibility is used as a bottom material coating, flexibility and easy sticking property of the faced material are increased. By using glass fibers as a material skeleton, the material is further enhanced, and the problems of frangibility, easy cracking and the like of most faced materials are solved.

The invention discloses a shaft detection method and a device for a magnetic suspension system. The shaft detection method for the magnetic suspension system comprises steps that, a displacement of a shaft deviating from the center position in the magnetic suspension system is detected; whether a fault that the shaft bumps a protection bearing exists is determined according to the detection result; when the fault that the shaft bumps the protection bearing exists is determined, a motor in the magnetic suspension system is controlled to stop rotation. Through the shaft detection method, the magnetic suspension system can be avoided from being damaged.

The invention discloses a control method of an electric automobile energy-saving air-conditioner based on semiconductor refrigeration. A plurality of semiconductor refrigeration slice sets are arranged in the electric automobile energy-saving air-conditioner. The method includes the steps that S1, when the actual temperature of the interior of an automobile greatly differs from a set temperature and the temperature change rate is larger than a first preset value or when the automobile is started, the semiconductor refrigeration slice sets are started one by one until all the semiconductor refrigeration slice sets are started completely, and the starting time interval between every two semiconductor refrigeration slice sets is 1-5 seconds. The electric automobile energy-saving air-conditioner based on semiconductor refrigeration enables semiconductor refrigeration equipment to work stably and to be switched quickly in a heating mode and in a refrigeration mode conveniently, and is small in energy consumption. Meanwhile, the invention provides the control method of the electric automobile energy-saving air-conditioner.

The invention relates to a sponge composite metallic organic framework material for adsorption separation and belongs to the technical field of materials. According to the invention, a two-step in-situ growth method is adopted for loading MOFs (metallic organic framework material) into a duct in a sponge carrier. The MOFs is synthesized from following organic ligands and metal salts, wherein the organic ligands include pyrazine, trimesic acid, terephthalic acid, 2,5-dihydroxyterephthalic acid, and the metal salts include cupric fluosilicate, magnesium nitrate, zirconium chloride, cupric nitrate, chromic nitrate, ferric nitrate, aluminum nitrate and hydrates thereof. According to a preparation method provided by the invention, a large amount of MOFs loaded in the duct in the sponge carriercan be realized; MOFs load rate is high; load is stable; the defects of fragility and easiness in loss of MOFs powder can be overcome; a breakthrough experiment proves that the material provided by the invention has the characteristics of high CO2-absorbing capacity, high adsorption separation selectivity, stable adsorption separation property, and the like.

The invention discloses a soft package lithium ion battery, which comprises a battery cell. The battery cell comprises a pole shank, an electrolyte and a shell enwrapping and heat-sealing the pole shank, wherein the electrolyte is sealed in the shell; and after the shell enwraps and heat-seals the pole shank, the battery cell forms a pair of hems, a pole lug outlet edge and two side edges, the bottom corner at the intersection of the hems and the two side edges is a round corner which is formed through further hot pressing. The invention simultaneously discloses a method for manufacturing thesoft package battery. After the shell performs heat seal to form the battery cell, the bottom corner at the intersection of the hems and the two side edges is heat-sealed again. By adopting the schemeof the invention, the problem that the bottom corner is easy to crack in the process of manufacturing the soft package lithium ion battery is solved successfully. The method is simple, is convenientto implement, has low cost, and can practically solve the problem of complex film cracking at the bottom corner of the battery.

The invention belongs to the technical field of printed circuit boards and discloses a semi-flexible circuit board and a preparation method thereof. The preparation method includes manufacturing of a rigid auxiliary board, manufacturing of a semi-flexible core board, laminating of a main board, manufacturing of an outer layer of the main board and a windowing procedure. Manufacturing of the rigid auxiliary board includes: (1) manufacturing an inner-layer circuit of a rigid core board; (2) adopting a flowing type prepreg for laminating the rigid core board to make the rigid auxiliary board, and pressing the prepreg and temporary copper foils onto a surface, adjacent to the semi-flexible core board, of the inner-layer circuit; (3) removing the temporary copper foils by etching; (4) milling grooves. In the procedure of laminating of the main board, the rigid auxiliary board and the semi-flexible core board are laminated by the aid of a non-flow type prepreg. Therefore, a dielectric layer between the rigid auxiliary board and the semi-flexible core board is made by means of twice lamination, interlayer binding force between the rigid auxiliary board and the semi-flexible core board is guaranteed while glue overflowing in a semi-flexible area is reduced, and the problem of proneness to glue overflowing in the prior art is solved.

The invention discloses a computer mainframe box with a function of fast heat dissipation. The mainframe box includes a fixing box, a sliding groove is formed in the bottom of the inner wall of the fixing box, and the top of the inner wall of the fixing box is fixedly connected with a motor through a support, wherein the output shaft of the motor is fixedly connected with a first belt pulley through a coupling, the surface of the first belt pulley is in transmission connection with a second belt pulley through a belt, and the middle portion of the second belt pulley is provided with a rotating shaft in a penetrated mode; the bottom end of the rotating shaft is fixedly connected with a turntable. The invention relates to the technical field of computers. The computer mainframe box with the function of the fast heat dissipation solves the problems of low heat dissipation speeds and poor heat dissipation effects in the existing computer mainframes nowadays. Moreover, the computer mainframe box can conduct heat dissipation on a computer mainframe in time to prevent the mainframe from being easily broken, improve the work efficiency of the computer mainframe, prolong the service life of the computer mainframe, avoid causing unnecessary troubles to people, and ensure that economic losses do not occur on people. The computer mainframe box is simple in structure and easy to operate.

The invention relates to a reservoir seepage-proofing geomembrane tiered structure and a construction method thereof. For solving the technical problems, the invention provides the reservoir seepage-proofing geomembrane tiered structure and the construction method featuring simple structure, small engineering quantity, convenient construction and convenient examination and reparation, good safe reliability, excellent seepage-proofing effect, good endurance performance and geomembrane hard to be damaged. The technical solutions for solving the problem is as follows: the reservoir seepage-proofing geomembrane tiered structure has a slag fill layer on the bottom of the reservoir, a lower supporting transition layer, a lower supporting cushion layer, a geomembrane seepage-proofing layer, and an upper protective layer are arranged from the bottom to the top the slag fill layer on the bottom of the reservoir in sequence. The reservoir seepage-proofing geomembrane tiered structure has the characteristics that soil engineering straw mats are arranged between the lower supporting cushion layer and the geomembrane seepage-proofing layer. The reservoir seepage-proofing geomembrane tiered structure and the construction method of the invention can be used to water resources and hydropower, municipal environmental geomembrane seepage-proofing engineering.

The invention discloses an X-ray electronic device detection system which comprises a case, a two-dimensional moving worktable arranged in the case, an X-axis stepping motor and a Y-axis stepping motor which drive the two-dimensional moving worktable to move, an X-ray generator arranged below the two-dimensional moving worktable, an X-ray image intensifier arranged above the two-dimensional moving worktable, wherein the two-dimensional moving worktable mainly consists of a bearing sliding plate, a movable table rack, a longitudinal sliding rail, a longitudinal belt, a transverse sliding rail, a transverse belt and a fixing frame; a movable table rack moving and limiting device mainly consists of two metal proximity sensors, a metal sheet and a controller. With the adoption of a bearing sliding plate moving and limiting device and the movable table rack moving and limiting device, movement of the worktable is limited, so that the machine is safe and reliable in operation, and the service lives of the belts and the stepping motors are prolonged.

The invention discloses a low-pressure casting motor shell spiral waterway sand core cleaning machine and an operating method thereof. The sand core cleaning machine comprises a vibration table module, an overturning and rotating module and a pneumatic sand washover module. The vibration table module comprises a joist steel base, a sand storage metal plate box, a working panel, and vibrating motors arranged at two sides of the sand storage metal plate box. A pressing device is fixedly arranged on the working panel; the overturning and rotating module comprises an overturning module, a three-jaw chuck and a rotating module; the overturning module drives a turbo-worm to move through a motor; the rotating module is driven through a gear motor; and control guide rails in an X axis and a Z axisare arranged on the pneumatic sand washover module. Firstly, a workpiece is clamped manually and overturned through the overturning module, the rotating module and a vibrating module jointly act to clean sand, and final sand cleaning treatment is carried out through pneumatic sand washover. The low-pressure casting motor shell spiral waterway sand core cleaning machine provided by the invention replaces manual sand-cleaning, so that manpower and material resources are saved, the workpiece damage caused by manual errors is reduced, and the production efficiency is improved.

The invention comprises a convenient beehive consisting of a nest frame support, degummed covering cloth, a powder-removing cover, a pollen box, a connector, a plug-in nest frame, an integrated nest frame and a wax nest foundation with hanging rings, and is characterized in that the powder-removing cover is erected on a box leak powder grate pedal, and pollen and honey water are leaked into the pollen box at the bottom part via a powder grate; the beehive is connected in a multi-tooth hook group for rough adjustment, and a thread of a spiral crowbar is used for fine adjustment and tight prying; the nest frame is integrally formed, laps of the plug-in nest frame are integrated with edge strips, the upper and the lower hanging rings at two ends of the was nest foundation are hung on wide hanging hooks in two edge strip bare cover type mouths, an upper beam and a lower beam are also tightened when being inserted in an upper groove and a lower groove of two edge strips, and a regulating buckle which is not tightened is buckled in the group; the upper beam is thin, the grooves are formed on the edge strips and the lower beam for mounting a plastic nest foundation; the laps are integrated with a frame distance clamp, a lower slope is connected with the upper beam, a frame and the top part of the nest frame support push against each other and compressed by a bee separating plate and a cover frame without gaps, and the frame distance is standard and difficult to kill bees due to extrusion and avoid the bees from stinging people; pull handles are arranged at the top ends of the laps, thereby being convenient to grab outside the beehive; and the degummed covering cloth with holes is used for covering the bees, thereby collecting more gum and realizing fast degumming. The convenient beehive can improve the effectiveness by a plurality of times and is applicable to world beekeeping.

On a baseboard, a sliding platform and a positioning device are set up; a vision detection device is mounted on the sliding platform via a connecting piece; said positioning device comprises a clamp assembly whose central width can be adjusted and whose height can raise up or fall down; the vision detection device, sliding platform and positioning device are respectively driven by a driven source; the driven source drive the movable detection head in the vision detection device and the clamp assembly to move.

The invention discloses a rotating die cutting device, comprising a frame body, an upper knife roll and a lower knife roll fixed on the frame body, an upper bearing sleeve and a lower bearing sleeve respectively installed on two ends of the upper knife roll and the lower knife roll, and an upper slide block and a lower slide block respectively connected with the upper bearing sleeve and the lower bearing sleeve, wherein the rotating die cutting device further comprises a pressurizing mechanism and a pressure release mechanism; the pressurizing mechanism is matched with the upper bearing sleeve through the upper slide block; the pressurizing mechanism applies a downward force to the upper knife roll; the pressure release mechanism comprises a pressure release rod and a first elastic piece; the first elastic piece is installed on the pressure release rod; the pressure release rod is connected with the upper slide block or the lower slide block; and the first elastic piece applies an upward force to the upper knife roll by the pressure release rod. The distance between the upper knife roll and the lower knife roll is conveniently adjusted by the coordination of the pressurizing mechanism and the pressure release mechanism; in actual using process, the rotating die cutting device is quick to detach and high in repeated mounting precision without detaching the bearing sleeves when the knife rolls are grinded again; the rotating die cutting device is not only beneficial for keeping the precisions of knife rolls, and simultaneously the mounting efficiency is also largely increased.

A round gear box, which relates to a new type round speed-shifting mechanism. A shrouding disc is connected with the engine, which is connected with a H-shape carrier, a fixed rack in the internal plane of the shrouding disc is connected with a fixed flat plate, a rotating disc is on the outside, which is provided with internal teeth, central outside is provided with output shaft hull, the H-shape carrier is connected with the casing, the output shaft hull passes through the casing incircle, the input shaft passes through the center of discs, a drive gear is fixed on the input shaft between the H-shape carrier and the fixed flat plate, a plurality of mid-gears are provided in periphery of the drive gear, and a plurality of lifting speed gears are provided outside of the mid-gears, a shift pulling plate out of the machine actuates a shifting wheel on the input shaft, a shift pressboard is actuated to press a isolation steel ball, different lifting speed gears are made up-down to do open-close movement with the inner teeth of the rotating disc, and speed transmission is realized via the output shaft hull. Cost of the invention is low, structure is simple, slewing range is wide, which is durable, and can be conjoined with engines, it is easy to operate, it can also be used without engaging apparatus, physical property of the round body is prior than the square body, which can realize the simplest and practical manual shifting, automatic shifting, manual-auto integral shifting and button-press shifting.

The invention discloses a display device with an NFC function. The display device comprises a display panel, wherein NFC antenna routing is integrally arranged in the display device; the NFC antenna routing is positioned on one side, with a display surface, of the display panel, and is made from transparent conductor materials. According to the display device disclosed by the invention, the NFC antenna routing is integrally arranged in the display device, made from the transparent conductor materials and positioned on the display surface close to the display panel, so that the sensitivity of an NFC signal is high and the reliability of the NFC signal is high; the NFC antenna routing is not liable to damage and deviate; the NFC antenna routing is made from the transparent conductor materials, so that the NFC antenna routing can be placed in a display area, and the design of a narrow frame of a die set is facilitated.

The invention discloses a 2.5D glass treatment process, a mobile phone glass screen structure and a mobile phone, belongs to the field of mobile phones and treatment methods thereof, and aims to solve the problems of cracking, low reliability and the like in existing 2.5D glass for mobile phones. The 2.5D glass treatment process provided by the invention at least comprises a step of molding a plastic frame on edges of 2.5D glass to be treated in an injection way. The 2.5D glass treatment process is adopted in the mobile phone glass screen structure provided by the invention. The mobile phone provided by the invention comprises the mobile phone glass screen structure. Through adoption of the 2.5D glass treatment process, the reliability of the glass can be enhanced. Moreover, the 2.5D glass treatment process is simple, and convenient to operate. The mobile phone glass screen structure and the mobile phone are long in service lives, high in reliability and high in appearance fineness.

The present invention discloses an epitaxial and integrated high-contrast grating external cavity surface emitting laser. A common oxidized vertical cavity surface emitting laser (VCSEL) has polarization indeterminacy or instability phenomenon phenomena caused by anisotropy of oxidization limiting layer materials and anisotropy of active region material gains of the common oxidized vertical cavitysurface emitting laser, and a traditional external cavity line width narrowing method is always complex and low in integration level, and is not helpful for a chip level design. The method for growthof a phase matching layer and a cavity length matching layer is employed to prolong the cavity length of the VCSEL, and a dielectric layer with a low refractive index is formed in one epitaxy mode and is taken as a grating support layer and a grating dielectric layer; and moreover, the grating dielectric layer is etched to form grating microstructures, and therefore, the line width is narrowed while light polarization is achieved.

The invention discloses a current sampling circuit and a current range judging device thereof, which are used for current measurement of a transformer neutral point. The current range judging device comprises a preprocessing circuit, an absolute-value circuit, N comparison circuits and N isolating circuits. According to the invention, the measurement result of a Hall current sensor with maximum range in the current sampling circuit is input into the comparison circuits, the comparison result is directly input into an I / O (Input / output) port of a controller through the isolating circuits, and the range of the current measurement is directly judged by reading the electrical level of the I / O port, in this way, problems, such as that the Hall current sensor with small range can be easily damaged, the sampling circuit and the range judgment are more complex and processing time is too long, in the prior art are solved.

The invention relates to a sub-depot flow-guiding type solar water heater water tank with simple structure and good insulating and energy-saving effects, comprising a water tank body and a vacuum pipe, wherein the water tank body is connected with the vacuum pipe; the water tank body is provided with a water inlet and a water outlet; the water inlet is provided with an automatic water supplying device; an exhaust valve is arranged above or on the side wall of the water tank body; the water tank body is internally divided into a heating depot and a water storing depot by a heat insulating device; the water inlet is positioned at the water storing depot and the water outlet is positioned at the heating depot; the heat insulating device is provided with a flow-guiding pipe communicating the heating depot and the water storing depot; the exhaust valve is respectively arranged above or on the side wall of the heating depot and the water storing depot; and the water inlet is provided with the automatic water supplying device. The solar water heater water tank is designed in a sub-depot manner, stores heat and heats in the sub-depot manner, and separates transmission of the water temperature of the two depots by the heat insulating device; an electric heating device heats the heating depot, and play the roles of saving energy and protecting environment, wherein the heated amount is same as the used amount;, thus solving the difficulty that the electricity amount is large when electric heating is started in winter and cloudy and rainy days.