106results about How to "Avoid the risk of electric leakage" patented technology

The embodiment of the application provides a traffic signal lamp control method and system; the traffic signal lamp control system can be applied to various of application scenes, and has the following features: 1, the traffic signal lamp can be connected to the network via Ethernet port, GPRS, and NB-IoT modes, and communicates with control equipment; 2, the control equipment gives a network order so as to control the signal lamp to be on/off; 3, the signal lamp can detect a lamp color output state in real time and sends the state to the control equipment via the network, and the control equipment determines whether a signal lamp set output state in a crossing has abnormity or not; when the control equipment does not response, the signal lamp set in the crossing can form a network via theinternet, and continuously outputs a pre-stored lamp color output scheme in synergy; 4, if certain signal lamp is cut off from the network or damaged, the signal lamps can all enter a yellow lamp scintillation state.

A clothes dryer (1) is provided with: a heat pump device (7) formed by connecting a compressor (2), a condenser (3), a throttle section (4), and an evaporator (5) by a pipe path (6) so that a refrigerant circulates therethrough; a drying chamber (9) for receiving an object to be dried; and an air flow path (10) for conducting drying air to the drying chamber (9). The clothes dryer (1) is also provided with: a blower (8) for delivering the drying air to the drying chamber (9); a discharge section (15) disposed upwind of the evaporator (5) and discharging cleaning water toward the evaporator (5); a water supply path (16) for supplying the cleaning water to the discharge section (15); and a ground section (13) for discharging electrical charges within the heat pump device (7) to the ground. The ground section (13) is provided so as to be in contact with at least a part of the cleaning water discharged from the discharge section (15).

The present invention discloses a solar cell and preparation method thereof, a battery piece based on a solar cell and a photovoltaic module. Transmitting electrodes on a silicon substrate of a solarcell are a plurality of independent transmitting electrodes, and preset distances are arranged between edges of the adjacent transmitting electrodes; the positive electrode patterns and the negative electrode patterns of a dye-sensitized solar cell are a plurality of independent electrode patterns, and each transmitting electrode corresponds to one independent positive electrode pattern and one independent negative electrode pattern up and down. When the solar cell is sliced, the portion between the edges of the adjacent transmitting electrodes perform cutting for the solar cell to prevent thesolar cell from damaging the pn junction in the slicing process to cause performance degradation of the solar cell and avoid edge leakage and short circuit because the electrode residual slurry afterslicing and the metal powder in the slicing process pollute a notch; and moreover, the notch stress is small to reduce the battery piece fragmenting or subfissure caused by stress releasing and improve the slicing yield and module reliability.

The invention discloses an instant-heating type water dispenser and a water vapor separating device thereof. The water vapor separating device comprises a housing, a hot water outlet nozzle, a hot water inlet nozzle, an upper gas exhaust nozzle, a first water vapor blocking rib, and a second water vapor blocking rib, wherein the housing is formed by connecting an upper cover and a lower cover in asealing node, and is provided with a separating cavity therein; the hot water outlet nozzle is arranged at the first tail end of the lower cover; the hot water inlet nozzle and the upper gas exhaustnozzle are arranged on the upper cover; the first water vapor blocking rib upwards extends from the inner side surface of the lower cover; a hot water circulating hole of a hot water flowing path is formed between the first water vapor blocking rib and the hot water outlet nozzle; the second water vapor blocking rib extends downwards from the inner side surface of the upper cover; the second watersteam blocking rib is positioned between the hot water inlet nozzle and the first water vapor blocking rib; and the lower tail end position of the second water vapor blocking rib is lower than the upper tail end position of the first water vapor blocking rib. The instant-heating type water dispenser is simple in structure, discharges hot water stably, and can prevent splashing while hot water isdischarged to improve use safety.

The invention discloses a system used for heating through solar and electromagnetic heating and having a heat storage function. The system comprises a solar heat collector, an electromagnetic heater, a heat storage body and a heat dissipation unit. With the system, heating is performed through electromagnetic induction in the valley period by the aid of the difference between peak and valley electricity prices, heat is stored in a heat storage unit, the stored heat is used in the peak period, the electromagnetic heater is used for auxiliary heating in the flat period, economical and saving effects are realized, and meanwhile, a grid can be optimized through peak reducing and valley filling.

A piezoresistive pressure sensor includes a substrate and a silicon device layer. The substrate has a cavity. The silicon device layer includes a diaphragm and a support element. A top surface of the diaphragm is connected to a top surface of the support element by one or more side surfaces. A recess of the silicon device layer is defined by the top surface of the diaphragm and the one or more side surfaces. A plurality of piezoresistive regions are on the top surface of the diaphragm, on the one or more side surfaces and on the top surface of the support element. A plurality of conductive regions are on the top surface of the support element. The plurality of conductive regions do not extend to the top surface of the diaphragm. The plurality of piezoresistive regions have a first ion dosage concentration. The plurality of conductive regions have a second ion dosage concentration. The second ion dosage concentration is greater than the first ion dosage concentration.

The invention relates to a chiffon cake. The chiffon cake is formed by stirring chiffon cake premixed flour, eggs and water, wherein the chiffon cake premixed flour contains the following raw materials: white granulated sugar, wheat flour, wheat starch, an emulsifying agent, baking powder and table salt. A preparation method of the chiffon cake comprises the following steps: adding eggs and water into the chiffon cake premixed flour, uniformly mixing, rapidly mixing for about 5 minutes by adopting a stirring device, then adding edible oil, uniformly stirring, putting into an oven at the temperature of 180 DEG C, and baking for about 45 minutes, so that the chiffon cake with mellow taste can be obtained. Besides, the chiffon cake premixed flour is blended in advance when the chiffon cake is prepared, a powder instant drying technology is adopted after mixing and stirring, moisture of starch can be reduced by 2-4% within 5 seconds, the problems that the baking powder loses efficacy and a product cakes are effectively solved, a whole egg beating method is adopted, the complexity of a chiffon cake separate egg beating method is simplified, the chiffon cake preparation time is shortened, the working efficiency is improved, and the effect of a cake prepared by adopting the separate egg beating method is also realized.

The invention discloses a building big data management and control platform, which comprises a control cabinet, an environment monitoring module, a building equipment module and a remote monitoring module, and is characterized in that one side of the control cabinet is fixedly connected with a touch display, the control cabinet comprises a touch display, a management and control unit, an information receiving unit and a communication module, and a storage function is built in the management and control unit; and the environment monitoring module comprises an information transmission unit, a temperature monitoring unit, a humidity monitoring unit, an air quality monitoring unit, an illumination monitoring unit and an entrance guard monitoring unit. According to the invention, the indoor temperature, humidity, air quality, illumination and entrance guard of the building are monitored through the environment monitoring module; the control unit performs logic judgment on the environment monitoring information and generates a control instruction, and the control instruction is transmitted to each piece of equipment in the building equipment module through a wire, so that each piece of equipment in the building equipment module is regulated and controlled, and an environment capable of enabling a human body to feel comfortable is kept indoors.

The invention belongs to the field of refrigerators, and discloses a pipeline system for a refrigerator. The pipeline system comprises a compressor, a condenser, a capillary tube, an evaporator, and aheat-conducting pipeline, wherein the compressor is used for working and pressuring a hot refrigerant of the refrigerator and outputting a gaseous hot refrigerant; the condenser is used for condensing and dissipating the gaseous hot refrigerant; the capillary tube is used for receiving the hot refrigerant from the condenser and reducing the temperature and pressure of the hot refrigerant to forma fluent hot refrigerant; the evaporator is used for receiving the fluent hot refrigerant and enabling the hot refrigerant to exchange heat with the space within the refrigerator; and the heat-conducting pipeline is located near the evaporator and is used for performing one or more in following operation: receiving and transmitting the hot refrigerant from the capillary tube to assist the evaporator in heat exchanging, and receiving and transmitting the hot refrigerant from the condenser to melt frost on the surface of the evaporator. The pipeline system can realize auxiliary refrigeration anddefrosting of the refrigerator, improve the heat exchanging efficiency, eliminate the risk of electric leakage, and reduce the refrigerator cost.

The invention relates to a stereo garage and a charging connection device. The charging connection device comprises a first contact component and a second contact component which are detachably arranged; the first contact component includes a first electrode sliding laterally, and the second contact component includes a second electrode; one of the first contact component and the second contact component is mounted on a vehicle carrier used for bearing the vehicle and driving the same to move; a position adjusting mechanism is arranged between the first contact component and the second touch component so as to drive the first contact component and/or the second contact component to align in position adjustment when the first contact component and the second contact component approach and drive the first electrode to slide lateral to be abutted with the second electrode to be connected when the first contact component and the second contact component continuously approach, and the vehicle on the vehicle carrier is charged. By the arrangement, wiring and charging of a garage are made simpler, impact on parking position precision is reduced, and parking and charging efficiency is improved.

The invention discloses mechanical equipment for making chiffon cake. The mechanical equipment comprises a three-dimensional mixer, a stirring device, a hot air drying system, a flour drying online cooling system, a die and an oven, wherein a discharge port of the three-dimensional mixer conveys the premixed flour of chiffon cake to a feed port of the hot air drying system through a first conveying belt; the hot air drying system conveys the dried premixed flour of chiffon cake to a feed port of the flour drying online cooling system through a second conveying belt; a discharge port of the flour drying online cooling system conveys the cooled premixed flour of chiffon cake to a cup body of the stirring device through a third conveying belt. According to the mechanical equipment, the drying system reduces the moisture of starch to 2-4%, and the problems of baking flour failure and product caking are effectively solved; through the flour drying online cooling system, the flour temperature is reduced to about 20 DEG C through twice cooling by a big cold air blower and a small cold air blower, thus the flour is looser and does not cake easily and has better mouthfeel; and moreover, the mechanical equipment is simple and practical, shortens the cooling time and improves the efficiency.

The invention discloses a technical preparation method of an IBC battery, which comprises the steps of A, performing front texturing and back polishing on an n-type original silicon wafer, the front textured surface ranges between 1 micron and 10 microns in size, the reflectivity of the textured surface is 9%-13%, and the back polishing reflectivity is 30%-45%; B, forming a first doped region at the back, and then performing back selective partition to remove an oxide layer; C, performing partition texturing and etching by using KOH with the mass ratio being 1%-3%, an additive with the mass ratio being 3%-5% and an etching solution with the temperature ranging between 75 DEG C and 85 DEG C, wherein the reflectivity of an etched area is 20%-28%; and then D, forming a second doped region at the back, forming FSF at the front, depositing a passivation layer at the front and the back, and finally selectively forming metal electrodes of a p-region and an n-region at the back. After adopting the method, in the back metal printing process, the p-region and the n-region are distinguished by using the textured surface/polished surface to form surface state contrast, a CCD camera has different spectral responses at different surface states in metal printing, and thus quick and accurate alignment of metal printing is achieved.

The invention discloses a door lock device provided with an electric-control permanent magnetic chuck and a using method of the door lock device. The door lock device comprises a door frame and a doorleaf, wherein the door frame and the door leaf are connected through spring hinges. The electric-control permanent magnetic chuck is mounted on one side of the door frame and is connected with a controller through a cable, and the other end of the controller is connected with a power socket. An attracted plate is inlaid in the position, corresponding to the electric-control permanent magnetic chuck, of the door leaf and is used for being attracted by the electric-control permanent magnetic chuck. The controller is used for controlling magnetization and demagnetization of the electric-controlpermanent magnetic chuck. According to the door lock device provided with the electric-control permanent magnetic chuck and the using method of the door lock device, the door lock device does not needto be maintained in the power-on state all the time, and strong magnetic attraction force can still be kept all the time after the door lock device is powered off so that the door lock device can belocked on the whole and can also be powered off after being magnetized or demagnetized once, and the influence of accidental power-off on the working state of a magnetic lock is avoided. The door lockdevice can be remotely controlled and be manually controlled through a button and has the advantages of being easy to operate, long in service life, not prone to being affected by the environment andthe like.

The invention discloses a vacuum drainage system capable with quick-opening passive vacuum sewage discharge valves and a drainage method. The vacuum drainage system comprises a plurality of sewage collection tanks, a vacuum smashing tank and a vacuum pump; the sewage collection tanks are parallelly connected to one end of a first vacuum pipe through connection pipes, the vacuum smashing tank is connected to the other end of the first vacuum pipe, and the vacuum smashing tank is connected with the vacuum pump through a second vacuum pipe; the vacuum pump is connected with a sewage discharge pipe, the quick-opening passive vacuum sewage discharge valves are arranged in all the sewage collection tanks, and the vacuum sewage discharge valves comprise control tanks, floating tanks and ball conveying tanks which are arranged in the sewage collection tanks; balls are arranged in the ball conveying tanks, the ball conveying tanks can move up and down with the floating tanks along the control tanks, and ball inlets and ball outlets are formed in the control tanks respectively; open-close reset mechanisms with pull rods and driving rods are further arranged in the sewage collection tanks, the pull rods are connected with the constant-closed vacuum sewage discharge valves, and one end of each driving rod extends into the corresponding control tank and is located between the corresponding ball inlet and the corresponding ball outlet.

The invention discloses a preparation method for forming a Split Gate MOSFET (Metal-Oxide-Semiconductor Field Effect Transistor) in one step, and relates to the technical field of semiconductor power devices. The method and the device are used for solving the problem that the preparation cost is increased due to the fact that preparation steps are increased in order to avoid gate poly residues on a linker oxide of a peripheral terminal trench in the preparation of an existing MOSFET (Metal-Oxide-Semiconductor Field Effect Transistor) device. Comprising the following steps: sequentially forming a liner Oxide layer and a source poly layer in a first groove and a second groove; second photoresist layers are formed on the two sides of the top of the second groove, the top of the first groove and the two sides of the top of the first groove, and the source poly layer and the liner oxide layer in the second groove are etched through an etching method; the second photoresist layer is removed, and the liner oxide layer is etched through an etching method; and forming a gate oxide layer and a gate poly layer in the second groove, on the two sides of the top of the second groove, on the top of the first groove and on the two sides of the top of the first groove.

The invention provides a method for preparing a GaN-based inversely-installed thin film structure near-ultraviolet LED. The method comprises the steps of: growing a u-GaN layer, an n-GaN layer, a multi-quantum well layer and a p-GaN layer; forming grooves in the p-GaN layer by means of photolithography and dry etching to expose n-GaN; preparing a p-type ohmic contact layer on the p-GaN layer; preparing a metal barrier layer on the p-type ohmic contact layer; growing an insulating layer on the metal barrier layer and in the grooves, and growing n-GaN ohmic contact electrodes; growing a metal material layer on the insulating layer, and adhering a secondary substrate onto the metal material layer; removing the grown substrate; forming a scribing groove and preparing p welding pads; coarseningu-GaN; and segmenting a chip structure, and completing the preparation of the GaN-based inversely-installed thin film structure near-ultraviolet LED. The method successfully overcomes the technical difficulties of etching process of the u-GaN and N-surface n-GaN ohmic contact, overcomes the electric leakage risk caused by dry grooving and acid grooving, thereby improving the yield and stability of the GaN-based inversely-installed thin film structure near-ultraviolet LED, and is conductive to mass production of chips.

The invention relates to an invisible intelligent mechanical toilet, comprising a foldable conical urinal, which can be switched between a folded state close to the wall surface and an extended state facing the toilet user through rotation; a cover with a raised portion The plate is inserted downwards through the convex part into the conical shape that is gradually stretched to the stretched state; the cleaning system includes the flushing atomizing pipe set on the cover plate and the negative ion booster shower gun set in the interlayer of the raised part Flush pipes; drains, including soft rubber twist-close valves on urinal traps; also include invisible doors. In the present invention, the collapsible conical urinal, the cover plate and the corresponding auxiliary device are arranged, and the invisible door is hidden on the surface of the wall by folding and closing the invisible door after use, so that the toilet becomes a bathroom, a laundry room or a makeup room, and does not occupy the toilet at all The space is easy to clean and completely avoids the long-term odor caused by traditional toilets; it can realize the multi-purpose function, including men's urinals that replace toilets.