68results about How to "Eliminate short circuit" patented technology

The invention discloses a UWB (ultra wide band) array antenna, and mainly solves a problem that the bandwidth of a conventional array antenna is limited by the bandwidth of an antenna unit. The antenna comprises a dipole antenna array plate (1), a resistor-type frequency selection surface plate (2), a grounding plate (3) and a feed Balun (4). The antenna array plate consists of a plurality of dipole radiation periodic units, and each dipole radiation periodic unit comprises a dipole arm (111), a metal via hole (112) and a dielectric plate (113), wherein the dipole arms (111) are arranged on the upper and lower surfaces of the antenna array plate in a cross manner. The resistor-type frequency selection surface unit consists of a resistor paster and a dielectric plate, wherein the resistor paster consists of a square ring paster, a circular ring, and a rhombus paster. Through the close coupling between units, the reflection coefficient of the antenna at the band from 0.63GHz to 4.6GHz is less than or equal to -6dB, and the array bandwidth can be increased to 7.3 frequency multiplications. The antenna is used for FOPEN radars and through-the-wall imaging radars.

The invention discloses cutting equipment of a flexible thin film solar cell. The cutting equipment comprises an uncoiling mechanism, a conveying mechanism, a scoring mechanism, a cutting mechanism, a finished product coiling mechanism, a leftover coiling mechanism and a control system, wherein the control system is used for controlling the respective work of the uncoiling mechanism, the conveying mechanism, the scoring mechanism, the cutting mechanism, the finished product coiling mechanism and the leftover coiling mechanism. The invention also discloses a method for cutting the flexible thin film solar cell by the cutting equipment. The method comprises the following steps of uncoiling a cell to be cut, receiving and conveying the cell to be cut by the conveying mechanism, sequentially scoring and cutting the cell to be cut, coiling the obtained finished product by the finished product coiling mechanism, and coiling the cut leftovers by the leftover coiling mechanism. The cutting equipment and the cutting method have the advantages that the short-circuiting of the thin film solar cell caused by cutting can be thoroughly avoided by the cutting method; the automation degree is high, and the qualified rate of the flexible thin film solar cell and the production efficiency are improved; the material consumption amount is little, and the production cost is low; and the splitting process is simple, the equipment is simple, and the operation is convenient.

The invention relates to a liquid crystal display panel and a restoring method thereof. The liquid crystal display panel comprises an array substrate, a colored film substrate and signal leads on the array substrate, wherein restoring wires overlapped with the signal leads are arranged among the signal leads. The restoring method comprises: cutting off two ends of a shorted signal lead out of an applying range of a hermetical rim substratum by a laser beam, so as to ensure that two ends of the cut point are not communicated electrically; and then, dotting the overlapped area of the signal leads and the corresponding restoring wires by the laser beam, so as to puncture an insulating layer between each signal lead and each corresponding restoring wire, and melt and combine the signal lead and the corresponding restoring wire together, thereby communicating the signal lead and the corresponding restoring wire electrically. The liquid crystal display panel eliminates adverse display caused by short circuit between the signal lead and a gold ball particle through cutting off the shorted signal lead and utilizing the mode of continuing transferring signals by the restoring wire, thereby improving the yield of the liquid crystal display panel.

The invention provides a novel ultra-wideband tight coupling array, comprising a first matching layer, a second matching layer, an antenna array board, a frequency selection surface board and a feeding balun array. The antenna array board is positioned directly above the frequency selection surface board. The antenna array plate comprises a plurality of dipole radiation periodic units, each dipoleradiation periodic unit comprises a dipole arm, a coupling metal patch and an antenna dielectric plate; The frequency selective surface plate includes a plurality of frequency selective surface units, the dipole arm is composed of two first metal patches, the coupling metal patch includes two second metal patches, and each frequency selective surface unit is composed of two four-fold circular ring patches, a hexagonal star gap patch and two layers of frequency selective surface dielectric plates. A frequency selective surface is used to eliminate short-circuit points, the VSWR is less than 3in the frequency range of 1.14 GHz to 11.2 GHz, and the array bandwidth can be increased to 9.8 octaves, which can be used in communication and satellite tracking radar systems.

A hair dressing device that utilizes low voltage from a pair of batteries to generate temperature needed for curling and straightening the hair comprises an upper body and a lower body, each having an outer side and an inner side. A heating plate is mounted on the inner side of the lower body facing the upper body. At least one heating element is mounted on the heating plate to generate heat utilizing high precision printing at high temperature. An insulating member is interposed between the at least one heating element and the heating plate to eliminate short circuit. The lower body is coupled to the upper body around a hinge section. A thermal sensor and a controller are incorporated in the hair dressing device to monitor and control the temperature of the heating plate. The hair dressing device can be connected and disconnected from power using an ON / OFF switch.

The invention discloses a round silicon thin film solar cell and a fabrication method thereof. The cell is composed of cell units connected in series, and takes a transparent substrate as a substrate, comprises a front electrode layer, a silicon thin film layer, a back electrode layer and a back paint layer which are stacked up in sequence. The round silicon thin film solar cell is characterized in that working faces of the cell units are formed by laser scribing, an external envelope takes an arc shape, a working face inside the cell is composed of n serially connected cell units which have equal effective area, n is not less than 2, at least two shielding lines and a laser scribing line or a dot-and-dash line which connects a positive electrode and a negative electrode are arranged between the positive electrode and the negative electrode of the cell, and the width between the positive electrode and the negative electrode is 0.03-0.10mm. The fabrication method adopts advanced laser marking technology, can scribe the cell units with fan-shaped or irregular figures, has high precision, and causes the width of an invalid region inside the solar cell to decrease from 0.5-1.8mm to 0.03-0.20mm, thus enlarging the effective working area of the cell.

The invention discloses a socket module. The socket module comprises an upper cover and a lower cover, wherein the edge of the upper cover is provided with a convex clamping pin; the lower edge of the upper cover is provided with an annular wiring hole, an L wire clamping hole, a PE wire clamping hole and an N wire clamping hole. The socket module also comprises a PE elastic sheet, an N elastic sheet and an L elastic sheet; the PE elastic sheet, the N elastic sheet and the L elastic sheet are inserted in the corresponding positions inside the upper cover; the lower cover is internally provided with support pillars; and two opposite edges of the lower cover are respectively provided with buckles and wire clamping hole adjusting blocks. The quick punching clamping-type connection is low in resistance, reliable, durable, stable and small in temperature rise, and fire risks are eliminated; hidden electrical dangers such as short circuit and contact oxidation are eliminated; single-point power fault is eliminated, and the power-off range due to multi-point fault is reduced; no broken connection points exist in the whole bus, and connection is firm and nodes are clean; over high temperature rise is avoided, and fire risks do not exist; power distribution reliability is high; the appearance size is small, the height and the thickness of the shell can be controlled in the 1U standard and space can be effectively saved.

The invention discloses a silencing box body for a box-type transformer with a modular structure. The silencing box body comprises a double-layer top cover module, a resonant sound absorbing wall body and a door connected below the double-layer top cover module, a silencing fence, a bottom beam, and a box body foundation provided with an inflow air silencer, wherein the bottom beam, the silencing fence and the box body foundation are fixed together through a positioning connecting rod; and the entire transformer box body is modularized, and comprises four parts. Due to the adoption of the silencing box body, large-scale production can be realized, and convenience is brought to transportation and field installation; meanwhile, convenience is brought to subsequent maintenance; and in particular, when the transformer is required to be overhauled, only a top cover is required to be detached, and the transformer is hoisted out of the box body, so that the cost is lowered.

The invention discloses an ammonia synthesis reactor and an ammonia synthesis technology. The ammonia synthesis reactor comprises an outer barrel and an inner barrel, wherein the inner barrel is separated into a plurality of sections of regions through sealing heads in the height direction; each section of region is internally correspondingly provided with a catalyst basket; heat exchange devicesare arranged in the catalyst basket in part of the regions; unreacted gas is heated so that reaction gas is cooled; a condition that a catalyst is deactivated is effectively avoided and the utilization period of the catalyst is long.

A package for a power storage device includes at least one laminated packaging material 1 having first and second sections. The packaging material includes a metallic foil layer, a heat-resistant resin layer, and a heat-fusible resin layer. In a state in which the heat-fusible resin layers of the first and second sections are faced, peripheral edges thereof are heat-sealed to form a storage chamber 40 for accommodating a device main body. One of the sections is extended outside the storage chamber 40 to form a conductive flange 26, 31 having an exposed heat-fusible resin layer. The conductive flange is provided with an external conductive section in which the heat-fusible resin layer is partially removed to expose the metallic foil layer. The packaging material having the external conductive section 27,32 is provided with an internal conductive section 28,33 in the storage chamber in which the heat-fusible resin layer is partially removed to expose the metallic foil layer.

The invention provides a probe short-circuit prevention structure which is an insulated separation structure; each separation structure can be embedded in a probe body or a corresponding position of a probe seat, which is at the interval of the probes, thus causing each probe to have the efficacy of mutual separation when in use.

The invention relates to an electrode plate of battery and the lithium battery with said electrode plate. Wherein, the four angles of said electrode plate all are smooth curve angles. With said inventive electrode plate, when coiling or layering the anode plate, baffle film and the cathode plate to form the electrode core, the short circuit or micro short circuit of battery caused by breaking the baffle film with four shape angles can be avoided, to improve the safety of battery.

The invention discloses a control circuit of an inverter welding machine. The control circuit comprises a master control circuit and an output circuit, and the master control circuit and the output circuit are connected. The control circuit of the inverter welding machine further comprises an adhesion preventing circuit used for preventing adhesion between a welding rod and a workpiece. The control circuit of the inverter welding machine has the advantage that the welding rod can be avoided from being adhered with the workpiece.

The present invention relates to a frequency-variable driven washing machine, which is characterized by that in said washing machine the electric network power supply is converted into variable frequency and two-phase power source whose time lag is equal to 1 / 4 cycle to drive two-phase symmetrical winding motor of space phase difference Pi / 2 electric angle. Its one technical scheme is as follows: electric network power source is converted into variable frequency power source by means of rectifying-filtering circuit and inversion circuit, its rectifying-filtering circuit is formed from positive half-wave rectification filtering circuit and negative half-wave rectification filtering circuit and has a common end with power supply circuit of electric network, and its inversion icrcuit is double half wave 4 unit, and its uses existent washing machine motor. It possesses the excellent performance of symmetrical motor, and its structure is simplified and cost is reduced.

In a discharge device for performing streamer discharge between a discharge electrode (41) including a plurality of discharge parts (61) and a counter electrode (42) including a plurality of counter parts (62) confronting the discharge parts (61), a resistor (60) is provided in a current carrying path between power source means (45) and the discharge parts (61).

The invention relates to a treatment process for the edge of a coated-type alkaline accumulator pole piece and auxiliary edge-covering equipment. The process comprises the following steps of: covering an alkali-resistant insulating material having a width of 2-10 mm on the edge of foamed nickel by an automatic edge-covering machine before filling active substances in a cell pole piece preparing raw material namely foamed nickel; and compressing the part of the foamed nickel covered by the alkali-resistant insulating material until the thickness of the part is less than 1.5 mm; and finally filling the active substances in the edge-covered foamed nickel. After the process method is adopted, because the burred edge of the foamed nickel is covered by the smooth insulating material, the edge has no need to be trimmed during the subsequent machining; and because the burred edge of the foamed nickel is covered by the smooth insulating material, the edge cannot be damaged during the subsequent machining for the pole piece, and a powder in the pole piece cannot fall off, so that the problems of short circuit and low voltage caused by the burrs on the edge of the pole piece and the powder falling-off of the edge during the use process of the accumulator are eliminated.

The invention discloses a spray drying tower. A hot gas enters from the bottom of the drying tower and is output from the top, to-be-dried materials entering the drying tower from the side face in a spraying mode are dried and then are output from the bottom of the drying tower in a powdery mode, and the drying tower comprises an upper tower body, a straight cylinder section and a lower tower body. The upper tower body is a conical barrel body which is provided with an outlet in the top and is reduced in diameter upwards, and the dried gas is discharged from the outlet in the top of the uppertower body; the straight cylinder section extends vertically downwards from the lower end of the upper tower body, the straight cylinder section comprises a first straight cylinder section and a second straight cylinder section which are equal in axial length from top to bottom, a circle of short spray guns are annularly arranged on the inner wall of the first straight cylinder section, and a circle of long spray guns are annularly arranged on the inner wall of the second straight cylinder section; a central spray gun is arranged on the inner wall of the middle of the straight cylinder section, the lower tower body is in a cone shape with the diameter shrunk downwards, and a hot gas distributor is arranged on the cross section of the top of the lower tower body.

Provided is an optical pickup device with which a short-circuit can be released from above and below. The optical pickup device (15) is provided with: a housing (15B) formed by ejecting a resin material in a prescribed shape; an actuator (15D) that is positioned on the top surface of the housing (15B) so as to hold an objective lens (17); a circuit board (15A) that is fixed to the main surface of the housing (15B); and a connector (15C) that is attached to the top surface of the circuit board (15A). A second short-circuit part (25) and a first short-circuit part (24) are disposed on the top surface and the bottom surface of the circuit board (15A), and a built-in light-emitting chip is protected from electrostatic discharge damage by shorting either one of the short-circuit parts.

The invention relates to an insulation processing method for a high-voltage motor group braided wire, belonging to the technical field of motors. The insulation processing method for the high-voltagemotor group braided wire sequentially comprises an insulation working procedure jointing with the working procedures of wiring, bending, wire transposition and intrabundle gelling. The insulation processing method for the high-voltage motor group braided wire is characterized by adopting a transposition way of 360 degrees from a motor stator wire rod line to the end part, and a stator wire rod copper lead braided wire adopts a structure of double-terylene glass yarn pocket covering and sintering a sintered copper flat wire structure for insulation. The invention has the advantages of simple process, small insulation thickness, high puncture strength and low manufacture cost of the braided wire, favorable machine unit running effect, and the like and can prevent a wire rod intrabundle shortcircuit and improve the insulation quality of the stator wire rod braided wire.

The invention discloses a preparation method of an anion acceptor type single-ion conductor flame-retardant gel polymer electrolyte, which comprises the following steps: (1) uniformly stirring and mixing allyl boronic acid pinacol ester, trimethylolpropane triacrylate, pentaerythritol tetramercaptoacetate, propylene carbonate and benzoin dimethyl ether until the components are completely dissolvedto obtain a solution A; (2) dripping the solution A obtained in the step (1) on an electrostatic spinning PVDF (Polyvinylidene Fluoride) membrane, uniformly infiltrating, transferring to ultravioletlight, and carrying out ultraviolet light polymerization reaction, so as to obtain an anion acceptor type single ion conductor flame-retardant gel polymer membrane; and (3) completely soaking the anion receptor type single ion conductor flame-retardant gel polymer membrane obtained in the step (2) in an electrolyte mixed solution to obtain the anion receptor type single ion conductor flame-retardant gel polymer electrolyte. The invention also provides the anion acceptor type single-ion conductor flame-retardant gel polymer electrolyte prepared by adopting the preparation method.

The invention discloses an entrained-flow bed gasifier comprising a gasification chamber and a radiant syngas cooler which can be connected with the bottom of the gasification chamber in a detachable manner, wherein a main process burner is arranged at the top of the gasification chamber; the gasification chamber is provided with a furnace body; a plurality of rows of sub-process burners are arranged on the outer wall of the furnace body; a hearth is arranged in the furnace body; a gasification chamber cooling wall is arranged between the furnace body and the hearth; an outer-layer cooling wall and an inter-layer cooling wall are arranged on the outer wall and at the center axis of the radiant syngas cooler respectively; and a slag pool is arranged at the bottom of the radiant syngas cooler and communicates with a circulating water pipeline for supplementing slag pool circulation water into the slag pool. The entrained-flow bed gasifier provided by the invention has the advantages of high in gasification effectiveness, high in safety, clean, environmentally friendly, easy and convenient to operate and fast to start and stop.

The invention relates to an MTM anti-fuse structure on a through hole and a preparation process thereof. The structure comprises a substrate and a device layer on the substrate. The device layer is pressed and covered by a fuse sealing body which is internally provided with a fuse lower electrode. A fuse upper electrode is arranged outside the fuse sealing body and is just above the fuse lower electrode. An anti-fuse dielectric structure and an anti-fuse bottom layer blocking body are arranged between the fuse upper electrode and the fuse lower electrode. The anti-fuse bottom layer blocking body coats the top end of the fuse lower electrode in the fuse sealing body. The anti-fuse dielectric structure is supported on the anti-fuse bottom layer blocking body, and the fuse upper electrode is supported on the anti-fuse dielectric structure. The structure of the MTM anti-fuse structure is compact, the times of lithography can be reduced, the process operation is simple, the process cost is reduced, the integration degree is raised, and the reliability of anti-fuse is improved.

The invention discloses an inner machine of an air conditioner, which comprises a housing, an evaporator, a draught fan, and an electric control box, wherein an air inlet and an air outlet are formed in the housing; an air passage communicated with the air inlet and the air outlet are arranged inside the housing; the electric control box is positioned at the outer part, next to the air outlet, of the air passage; and more than one air holes are formed in a baffle between the electric control box and the air passage. According to the inner machine of the air conditioner provided by the invention, the air holes, communicated with the air passage, are formed in the baffle of the electric control box to well solve the condensation problem of the electric control box and avoid the serious humidity environment for electric components, and therefore, the reliability is greatly improved; potential safety hazards, such as short circuit of the electric components, water seepage inside the electric control box and the like are eliminated; and the processing process that the air holes are formed in the baffle is simple.

The invention discloses a low-capacity nickel-hydrogen secondary battery and an assembly method thereof. The low-capacity nickel-hydrogen secondary battery comprises a steel case and a polar group, wherein, the polar group consists of a positive electrode, a negative electrode and a membrane, and is characterized in that: a substrate is arranged at the bottom of the steel casing; the assembly method of the low-capacity battery comprises the following steps: (1). assembling the steel casing: the steel case is well placed in a material case regularly with the mouth upwards, the substrate is arranged on the steel casing and then the substrate is pushed to the bottom of the steel case by a tool; (2). assembling the rear end: a wound polar group is put into the steel casing where the substrate is placed in the step (1), and then groove rolling, glue coating, spot welding, alkali injection, and sealing and assembly procedures are performed; (3) high-temperature laying: the assembled battery in the step (2) is laid with the head part of the battery downwards at high temperature; (4) formation: the formation is performed after high-temperature laying in the step (3) for 48 hours. The assembly method is simple and convenient, and the low-capacity nickel-hydrogen secondary battery obtained by adopting the assembly method is characterized by low cost and good battery performance.

A method for forming piezoelectric transducers for inkjet printheads includes: forming at least one piezoelectric layer on a substrate; forming at least one electrode pattern by depositing a conductive material on an exposed surface of the at least one piezoelectric layer; and forming a plurality of individual piezoelectric elements from the at least one piezoelectric layer before or after the forming of the at least one electrode pattern.