60results about How to "Leakage will not occur" patented technology

The invention discloses a transformer without Y capacitor, comprising a magnetic core, a primary main winding, a secondary winding and an auxiliary winding, wherein the primary main winding, the secondary winding and the auxiliary winding are successively winded on the magnetic core. The transformer further comprises a primary shielded winding connected with the primary main winding and a secondary shielded winding connected with the secondary winding, wherein the primary shielded winding and the secondary shielded winding have the same number of loops and the same phase. The invention solvestwo main problems of electromagnetic radiation and electric leakage in a switch power supply at the same time, realizes that the switch power supply can pass an electromagnetic radiation test withoutY capacitor, so the transformer is suitable for products fairly sensitive to leakage current, such as mobile phone chargers.

The invention discloses a roll belt type thin-strip casting-rolling integrated machine and a using method thereof, and belongs to the field of steel casting. The roll belt type thin-strip cast-rollingintegrated machine comprises a tundish, a belt type conveying device, a continuous casting mechanism and a continuous rolling mechanism. The belt type conveying device comprises a conveying steel belt which is obliquely arranged. The tundish, the continuous casting mechanism and the continuous rolling mechanism are all arranged above the conveying steel belt and sequentially arranged from high tolow in the conveying direction of the conveying steel belt. The continuous casting mechanism comprises a water-cooled crystallization roller, and an anastomosis point is formed between the water-cooled crystallization roller and the surface of the conveying steel belt. The continuous rolling mechanism comprises a hot roll, and a rolling gap is formed between the hot roll and the surface of the conveying steel belt. According to the roll belt type thin-strip casting-rolling integrated machine and the using method thereof, casting and rolling are closely combined through process optimization and improvement, the arrangement is more compact, the space occupied by the production line is reduced, the thickness of the thin strip during casting and rolling can be controlled, the occurrence of aloose shrinkage cavity in the thin strip is reduced, and the production efficiency is improved.

The invention provides a three-dimensional memory reading circuit and a word line and bit line voltage configuration method. The method comprises the following steps that: when a three-dimensional memory cell array is subjected to a reading operation, setting all bit lines in the three-dimensional memory cell array as reading unselect bit line voltage through a configuration module, setting all word lines in the three-dimensional memory cell array as reading unselect word line voltage; and after a pulse signal arrives, setting the bit line where a memory cell to be read is positioned as reading voltage Vread, and setting the word line where the memory cell to be read is positioned as 0V, wherein the reading unselect bit line voltage is between Vread / 2 and Vread, and the reading unselect word line voltage is between Vread / 2 and Vread. By use of the method, the voltage of two ends of a semi-gating unit on the bit line can be lowered, the chip of the three-dimensional memory has the advantages of lower power consumption, higher speed and no full-array electricity leakage during a reading operation, and the memory unit which is not selected on the selected word line still keeps semi-gating.

This invention relates to one wireless sensor network point device for animal and plant grow and cultivation indoor chamber, nuclear pollution area, atmosphere and industry spot environment monitor for environment temperature and humidity and atmosphere monitor; in the network, the point work environment is of complex one and independent unit with proper structure and special energy consumption, reliability and life cycle.

The invention relates to a water leakage prevention control device. The water leakage prevention control device comprises a serial connection pipe, a detection component and a control component, wherein the serial connection pipeline is serially connected between a water charging pipeline and a water discharging pipeline; the detection component is used for detecting the water flowing time and thewater flow amount inside the serial connection pipeline; the control component is connected with the detection component; the control component is used for receiving the water flowing time and the water flow amount and stopping the water inside the water charging pipeline from flowing into the water discharging pipeline when the water flowing time reaches a preset time threshold value or when thewater flow amount reaches a preset flow amount threshold value, thereby effectively improving the accuracy of water leakage detection, also controlling and stopping continuous flowing of water in time, and ensuring that no serious water leakage problem occurs.

The invention relates to a processing technique of gelatine glue, in particular relating to an automatic control method of liming and agitating technique in the process of the liming of skeletal grain which is the main raw material of the gelatine glue. The automatic control method of liming and agitating technique comprises (1) initiation step, (2) control mode selection step, (3A) step of choosing the control mode of regular agitation, and (3B) step of choosing an agitation control mode of arbitrarily appointing a lime. The invention has the advantages that the automatic control method of liming and agitating technique of the invention employs PLC control softwares to automatically control regular agitation of 174 limes or respectively and arbitrarily appoints a certain lime to be agitated and the function is realized by the controlling of PLC. The liming technique of the invention is realized by automatic control, which is simple in operation, absolutely replaces the manual agitation, is uniform in agitation and can not result in leaking. The invention is high in automatic level and uniform in agitation of liquid, and can be applied to the agitation procedures in the process of producing the gelatine glue and chemical production.

The invention discloses an extensible socket bar. The extensible socket bar comprises an electric wire, socket bars, a slider, an expansion plate, clamping grooves, a clamping plate, clamping columns, a connecting rod, a return spring and a spring tube, wherein the socket bars include a first socket bar and a second socket bar; the slider is located at the internal bottom end of the first socket bar and connected with the same by use of an adhesive; the expansion plate is located in the center of the top of the slider and connected with the same in a sliding manner; each clamping groove is formed in the top of the expansion plate and in a plate-like circular shape, and a plurality of clamping grooves are orderly arranged from left to right; the clamping plate is located at the internal bottom end of the second socket bar and connected with the same by use of an adhesive; each clamping column is located at the top of the clamping plate and in a cylindrical shape, and a plurality of clamping columns are orderly arranged from left to right; the return spring penetrates through the connecting rod, and located between the first socket bar and the second socket bar, and the return spring, the first socket bar and the second socket bar are fastened to each other. The extensible socket bar is ingenious in structure, powerful in function, and capable of preventing interference of plugging into the socket bar when electrical appliance plugs are large and avoiding the waste of the socket bar in use.

The invention relates to a convenient mounting and dismounting type combined prefabricated template suitable for a building floor descending plate. A main body comprises a template frame formed by mutually connecting the end parts of a combined transverse steel frame plate and a vertical steel frame plate which are prefabricated by square steel plates, and limiting plug pins, a twisted steel bar serves as the limiting plug pins, interconnecting plates with limiting plug pin holes A are fixedly arranged at the two ends of the transverse steel frame plate, limiting plug pin holes B are formed inthe plate faces of the two near ends of the vertical steel frame plate, the limiting plug pins are correspondingly inserted into the limiting plug pin holes A and the limiting plug pin holes B to form a stable steel template, deformation is avoided, limiting is reliable, grout leakage can be avoided, after curing and forming, bonding and interconnection are avoided, corners of concrete are not damaged during template dismounting, the forming precision can be ensured, repairing and chiseling work in the later template dismounting period is avoided, the dismounted template can be recycled, andthe defects that in the prior art, a template is poor in stability and forming effect, the quality is difficult to guarantee, the size deviation is large, the construction cost is high and the like are overcome, and high practicability is achieved.

The invention discloses a feeding device in a wire welding machine. The feeding device comprises a rack; the rack is internally provided with an upper hopper; a discharging adjusting valve for controlling the opening degree of a discharging outlet of the upper hopper is arranged in the upper hopper; a lower hopper is arranged at the position, below the upper hopper, of the rack; the discharging outlet of the upper hopper is connected with a feeding inlet of the lower hopper through a telescopic connection casing pipe assembly; a conveying belt is arranged at the position, below a discharging outlet of the lower hopper, of the rack, and is used for bearing powder conveyed out by the lower hopper and conveying the borne powder to a channel steel belt pulled by a forming unit of the wire welding machine and rolled to be provided with a U-type section; and a guide assembly for smoothly guiding the powder output by the lower hopper to the conveying belt is arranged at the position, betweenthe lower hopper and the conveying belt, of the rack. The feeding device in the wire welding machine has the advantages that (1) the discharging amount of the powder can be effectively controlled, andcontrol and adjustment are convenient; and (2) the powder can be smoothly guided to the conveying belt and does not leak when discharged to the conveying belt, powder waste is reduced, and the production cost of enterprises is effectively reduced.

The invention discloses a sharing charging device provided with a waterproof function and used for a new energy automobile. The sharing charging device comprises a charging device body and a dustbin.The bottom of the dustbin is connected with a fixed base. An insulation layer is arranged at the top of the dustbin. A charging device body is installed at the top of the insulation layer. Wire outgoing ports are formed in the bottom of the surface of the side edges of the charging device body and connected with charging guns through charging wires. A voice broadcasting device is installed on theupper portion of the surface, perpendicular to the sides of the wire outgoing ports, on the other side of the charging device body. The sharing charging device is provided with the dustbin and the insulation layer, garbage generated in the charging rest process can be classified and collected, the environment is protected, urban environment beauty is guaranteed as well, the charging device body islocated at the top of the dustbin, rainwater invasion can be effectively insulated, a short circuit phenomenon happening to the device is avoided, and meanwhile, an electric leakage phenomenon is avoided.

The invention discloses a garbage truck for municipal environmental sanitation cleaning. The garbage truck is characterized in that the upper part of a garbage can is opened, the bottom of the garbagecan is fixedly connected to a truck frame, the front part of the two sides of the truck frame are rotationally connected to side wheels in a bearing mode respectively, a driving wheel is arranged above the rear part of the truck frame, and the driving wheel is fixedly connected to the middle of the driving shaft; the upper part of the driving wheel is fixedly connected to a control rod, a cam isarranged behind the bottom of the garbage can, the cam is fixed to the center of a cam shaft, the two sides of the cam are provided with chain wheels respectively, and the chain wheels are fixedly connected to the cam shaft; the two sides of the driving wheel are also provided with chain wheels, and the chain wheels on the driving shaft and the two chain wheels on the cam shaft are correspondinglyconnected to each other through chains; a bottom plate is arranged below the garbage can, the lower surface of the front part of the bottom plate is hinged to the bottom of the garbage can, the lowersurface of the rear part of the bottom plate abuts against the cam, and a tail cover is arranged at the front part of the garbage can; and the upper end of the tail cover is rotationally connected tothe upper part of the front part of the garbage can, the two sides of the upper part of the tail cover are rotationally connected to the upper ends of connecting rods respectively, and the lower endsof the connecting rods are connected to the two sides of the bottom plate in a rotating mode.

The invention discloses a greenhouse heating device. The device comprises a greenhouse and a heating system, a temperature sensor is arranged in the greenhouse, and the heating system comprises a heater, a water tank, a water pump and a cooling coil, wherein a temperature sensor is arranged at an inlet of the heater, an inlet of the water tank is connected with an outlet of the heater, a temperature sensor is arranged at an outlet of the water tank, a water level sensor is arranged in the water tank, an inlet of the water pump is connected with an outlet of the water tank, the cooling coil isinstalled under the ground of the greenhouse, an inlet of the cooling coil is connected with an outlet of the water pump, and an outlet of the cooling coil is connected with the inlet of the heater. According to the greenhouse heating device, the cooling coil is installed under the ground in the greenhouse, an existing terrestrial heat line can be replaced, planting soil in the greenhouse is heated, the temperature of the soil is raised, and growth of crops is promoted. The heating system is simple in structure, in the cooling coil, water serves as a heat-carrying medium, leakage cannot occur,safety and reliability are achieved, environmental friendliness is achieved, and pollution does not exit.

The invention discloses a no-crushing elevator hopper. The no-crushing elevator hopper comprises a ladder-shaped hopper body, wherein suspension pin bosses are arranged on two end side walls of the ladder-shaped hopper body. Suspension pins are respectively embedded in the suspension pin bosses. A clamp platform is arranged at the front end of the ladder-shaped hopper body. A strengthening flat A is arranged on a side wall of the ladder-shaped hopper body. A circular arc turning boss is arranged at one end of the strengthening flat A. A circular arc discharging boss A is arranged on a side wall, below the strengthening flat A, of the ladder-shaped hopper body. A stiffening beam is arranged between the circular arc turning boss and the circular arc discharging boss A. A guide limiting column is arranged on a side wall, on the same side with the strengthening flat A, of the ladder-shaped hopper body. The no-crushing elevator hopper has the advantages that two adjacent hoppers are in seamless connection, the triangular-prism-shaped clamp platform divides dropped materials into two adjacent hoppers, so that leakage of a gap between two adjacent hoppers is avoided, and the material is prevented from being grinded and broken. The no-crushing elevator hopper is simple in structure, convenient to maintain, low in manufacture cost and long in service life.

An electronic device includes a power plug and a power socket coupled to the power plug. The power plug includes a housing, two plug contacts, one conductive member, two conductive resilient pieces, and two magnetic members. The conductive resilient pieces are positioned in the housing, and are electrically connected to the conductive member. The magnetic members are positioned in the housing, and opposite to the at least two conductive resilient pieces. The power socket includes an inner housing, two socket contacts, and two metal pieces. The inner housing defines an assembly groove to receive the power plug. The metal pieces are positioned in the assembly groove of the inner housing, and are opposite to the magnetic members, such that a magnetic attraction force exerted between the metal pieces and the magnetic member actuates the power plug.

The invention relates to an LED lamp, which has a lampshade and a casing, the lampshade and the casing are connected to each other to define a cavity, and the cooling fins are connected to the inner side of the lampshade or the casing, so that the cooling fins divide the cavity into a cooling cavity and a housing. A light-emitting chamber of a PCB board installed with LED lamp beads, wherein the PCB board is connected to the base plate of the heat sink, and the base plate is configured to have different heat dissipation at different parts of the base plate. The invention also relates to a heat sink and a modular housing for the LED lamp.

The invention provides a three-dimensional memory reading circuit and a word line and bit line voltage configuration method. The method comprises the following steps that: when a three-dimensional memory cell array is subjected to a reading operation, setting all bit lines in the three-dimensional memory cell array as reading unselect bit line voltage through a configuration module, setting all word lines in the three-dimensional memory cell array as reading unselect word line voltage; and after a pulse signal arrives, setting the bit line where a memory cell to be read is positioned as reading voltage Vread, and setting the word line where the memory cell to be read is positioned as 0V, wherein the reading unselect bit line voltage is between Vread / 2 and Vread, and the reading unselect word line voltage is between Vread / 2 and Vread. By use of the method, the voltage of two ends of a semi-gating unit on the bit line can be lowered, the chip of the three-dimensional memory has the advantages of lower power consumption, higher speed and no full-array electricity leakage during a reading operation, and the memory unit which is not selected on the selected word line still keeps semi-gating.