31results about How to "Reduce the phenomenon of short circuit" patented technology

The invention discloses a fence type anode plate for electrodeposition of nonferrous metals. The fence type anode plate for electrodeposition of the nonferrous metals is characterized in that lead or lead-based complex alloy with the thickness of 2-10mm is compounded on the surface of a rod core to form a composite rod; a corrugated or sawtooth type pattern is drawn on the surface of the composite rod; a conductive ceramic composite coating layer is coated or electrodeposited on the surface of the composite rod; the fence type anode plate is formed by assembling a plurality of the composite rods; and the composite rods are fixed by insulation edge clamping strips and clamped by insulation rivets. By the fence type anode plate for electrodeposition of the nonferrous metals, fluidity of electrolyte solution is improved, concentration polarization of a cathode area is reduced, and deposition amount of cathode metals is increased, so that cathode current efficiency is improved; the fence type anode plate does not bend and deform, and therefore short circuit phenomenon of anode and cathode plates is prevented; and compared with the conventional lead-based alloy anode plate, the conductivity of the fence type anode plate is obviously improved, the tank voltage is reduced by 10%, the material cost is reduced by 20% and the current efficiency is increased by 2-5%.

The display assembly includes one glass substrate, one tape carrier package (TCP) and one protective insulating layer. The glass substrate is provided with a display area, lines and wires connected to one test unit. During test, the display area is connected via lines and wires for the test unit to test on the display area. After test, the wires are blocked and the glass substrate is not connected to the test unit. Only after the blocking area is formed, the protective insulating layer is formed on the glass substrate to cover the blocking area, and TCP is connected electrically with the glass substrate. The present invention can prevent TCP from contacting residual metal in the blocking area and prevent short circuit, and this raises the quality of the display.

The invention provides a liquid crystal display device mother board, which includes a first metal wire and a second metal wire which are across arranged; and also includes a first overlapping region arranged between the first metal wire and the second metal wire, and a first insulation layer for insulating the first metal wire and the second metal wire; the first metal wire is provided with a first bulge which laterally projects, and the second metal wire is provided with a second bulge which laterally projects; free ends of the first bulge and the second bulge are overlapped mutually, and a second overlapping region between the first bulge and the second bulge is provided with a second insulation layer and a semiconductor layer. By arranging the bulges which laterally project at two sides of the two metal wires and the semiconductor layer with electrostatic charge induction characteristic in the second overlapping region of the two bulges, the liquid crystal display device mother board makes the electrostatic charge accumulated on the mother glass board transfer to the second overlapping region of the bulges of the two metal wires, thereby effectively reducing the phenomenon of short circuit of the two metal wires generated in the first overlapping region.

The present invention discloses a battery system with a thermal management function, comprising a housing, a plurality of battery cells and at least one temperature control unit. The plurality of battery cells are provided in the housing. The temperature control unit includes at least one heat sink and a liquid heat exchanger. The heat sink comprises a temperature plate, a heat exchange plate and at least one closed chamber. The temperature plate is connected to the heat exchange plate, and the temperature plate extends between the plurality of battery cells to contact the plurality of battery cells, and the working chamber is provided with a working fluid capable of changing the phase between the two phases. The liquid heat exchanger is in thermal contact with the heat exchange plate, wherein a liquid flows through the inside of the liquid heat exchanger for exchanging heat with the heat exchange plate of the liquid and the heat radiating plate.

The invention discloses a radial adsorption tower. The adsorption tower comprises a tower body, an internal central pipe, a metal wire mesh rolling column and a cross section panel, the central pipe extends into the tower body from a quadrant point of an upper seal head or a lower seal head of the tower body and is fixed on a cross section panel of a tangent line of the lower part or the upper part in the tower body, and a check valve is arranged on the inner side of a tail end pipe of the extending end of the central pipe; a plurality of ventilation channels are formed in the central pipe, and the central pipe is wrapped with a metal wire mesh which is integrally fixed with a pipe body of the central pipe; and the metal wire mesh rolling column is a cylinder formed by rolling a metal wire mesh with the surface coated with an adsorbent coating. The pressure of the adsorption tower is reduced, the volume utilization rate of the tower is improved, and the influence of feeding fluctuation on an adsorbent bed layer and the quality and flow of product gas is reduced. The problems that in the prior art, the gas velocity change affects the performance of the adsorbent, and gas phase entrainment and adsorbent desorption are not thorough are solved, and the better adsorption effect is achieved.

The technical scheme of the invention is realized as follows that: an electrolytic paper for a lightning-stroke-resistant capacitor comprises a pressure-resistant layer paper and an absorption layer paper and is characterized in that the pressure-resistant layer paper wraps the absorption layer paper from the two sides, the pressure-resistant layer paper comprises a plurality of tubular fiber units, and the absorption layer paper comprises a fine cellulose fiber non-woven fabric layer containing fine cellulose fibers and a bast fiber layer. The invention further provides a method for preparingthe electrolytic paper for the lightning-stroke-resistant capacitor. The electrolytic paper has the beneficial effects that the problem of holes of existing electrolytic paper is solved, the short-circuit probability of a capacitor is reduced, and the electrolytic paper is high in overall strength and excellent in high-pressure resistance and moisture permeability.

The invention discloses a soldering tin preheating principle and application. According to the invention, a bonding wire comprises a solder layer and scaling powder arranged in the solder layer, the soldering tin preheating principle is applied to carry out preheating treatment on solder before soldering iron is used for welding tin at a high temperature, and enables the solder to become the soft state after preheating from the solid state before preheating; after the solder layer and the scaling powder arranged in the solder layer are preheated, the solder layer is enabled to become soft from the solid state, and during the high-temperature welding process, the soft solder layer relieves the sharp expansive force of the scaling powder, weakens the power of welding spot explosion caused by instantaneous, rapid and sharp heated expansion of the scaling powder during the welding process, and reduces the phenomenon that welding spot explosion generates tin balls, and the tin balls splash to the surfaces of electronic elements to cause a short circuit. The preheating time, the temperature, the supply current and the power-on or power-off states can be intelligently controlled according to the production demands, the intelligent operation degree is high, the tin ball splashing quantity during welding spot explosion can be controlled and greatly reduced, the operation is very safe, the yield of the electronic elements is high, the quality effect is excellent, and the production cost is lowered.

The invention provides an improved paper-insulated self-adhesive enamelled combined wire, which solves the problems of poor voltage resistance and low safety factor in the existing paper-insulated self-adhesive enamelled combined wire, and can solve the problem of the existing paper-insulated self-adhesive enamelled wire The application of the self-adhesive paint layer of the combined wire is difficult and the processing efficiency is low. It includes at least two enamelled flat wires, at least two enamelled flat wires are assembled along the axial direction and wide surface and covered with a paper insulation layer. A self-adhesive layer is arranged between the acetal paint surfaces of the two enamelled flat wires, which is characterized in that the self-adhesive layer includes a base layer, and the upper and lower surfaces of the base layer are uniformly coated with epoxy resin with self-adhesive effect. resin.

The invention provides a liquid crystal display device mother board, which includes a first metal wire and a second metal wire which are across arranged; and also includes a first overlapping region arranged between the first metal wire and the second metal wire, and a first insulation layer for insulating the first metal wire and the second metal wire; the first metal wire is provided with a first bulge which laterally projects, and the second metal wire is provided with a second bulge which laterally projects; free ends of the first bulge and the second bulge are overlapped mutually, and a second overlapping region between the first bulge and the second bulge is provided with a second insulation layer and a semiconductor layer. By arranging the bulges which laterally project at two sidesof the two metal wires and the semiconductor layer with electrostatic charge induction characteristic in the second overlapping region of the two bulges, the liquid crystal display device mother board makes the electrostatic charge accumulated on the mother glass board transfer to the second overlapping region of the bulges of the two metal wires, thereby effectively reducing the phenomenon of short circuit of the two metal wires generated in the first overlapping region.

The invention provides an air conditioner. The air conditioner comprises an indoor unit, an outdoor unit and a heat dissipation assembly; the indoor unit comprises an indoor heat exchanger and an indoor expansion valve; the outdoor unit comprises a compressor, a four-way valve, an outdoor heat exchanger, an outdoor expansion valve and an electric control box, and a circuit board is arranged in the electric control box; the indoor expansion valve and the outdoor expansion valve are sequentially arranged between the indoor heat exchanger and the outdoor heat exchanger; the compressor is connected with the indoor heat exchanger and the outdoor heat exchanger through the four-way valve to form a refrigerating loop used for circulating flowing of a refrigerant; a refrigerant runner is formed in the heat dissipation assembly, and connected between the indoor expansion valve and the outdoor expansion valve; and the heat dissipation assembly is used for absorbing heat released by the circuit board through the refrigerant flowing in the refrigerating loop. According to the air conditioner, rapid heat dissipation of the circuit board can be achieved, condensation is reduced, the use reliability of the circuit board is improved, and the operation reliability of the air conditioner is improved.

The invention provides a metal gallium cycling electrolysis system. The metal gallium cycling electrolysis system comprises an electrolytic cell, a cooling tank, a minipump, a cooler, an elevated tankand a buffer tank. The electrolytic cell, the cooling tank, the elevated tank and the buffer tank are both of rectangular structures. The electrolytic cell is connected with the cooling tank, the minipump, the cooler, the elevated tank and the buffer tank in series to form a circulation loop. Combined electrolytic strips are mounted on the electrolytic cell and used for electrolyzing a metal gallium stock solution in the electrolytic cell repeatedly. If the metal gallium stock solution is superheated, the metal gallium stock solution can be cooled by turning on a switch valve A located on a three-way port and connected with the cooler and turning off a switch valve A arranged on a pipeline and connected with the minipump and the elevated tank to protect a tank body against damage caused by superheating of the stock solution. The metal gallium cycling electrolysis system can maximize the purity of the metal gallium stock solution, save the manpower and material resources and waste of raw materials and manufacture the maximum profits.

The present invention discloses a temperature instrument convenient to overhaul which structurally comprises a handle, control keys, a display screen and an inductor, the control keys are arranged on the back face of the handle in a sleeving mode, the display screen is installed at the top of the front face of the handle, the inductor is arranged on the back face of the display screen, and due to the fact that liquid is heated and then evaporated into water vapor to rise, the water vapor enters a charging port to be liquefied into water drops; the charging port is protected through the protection mechanism, external hot air flow entering the charging port is reduced, water drops appearing on the outer wall of the guide pipe are reduced, normal contact between the metal guide pipe in the charging port and a charger is facilitated, the short circuit phenomenon is reduced, and normal charging and using of the thermometer are facilitated; the liquid is extruded by the catheter, the liquid in the air bag easily permeates outwards and flows along the interior of the exhaust port, the clamping ball is arranged in the exhaust port and blocks water drops, the situation that the water drops enter the air bag along the exhaust port is reduced, the exhaust speed of the air bag is increased, and the exhaust amount is increased.

The invention provides a Schottky diode. By adopting an electrode layer protection ring technique of a Schottky diode chip, a reverse insulating ability is improved. A reverse leakage current of the Schottky diode is less than or equal to 15 muA and a reverse voltage-during ability is more than or equal to 50 V. The manufacturing process and flow are simplified, the raw materials and energy sources are saved, the manufacturing efficiency is improved and the manufacturing cost is lowered. Corrosion chemicals which will pollute environment are forbidden to use so the environment is protected. A ladder-shaped conical cylinder design of a lead head of the Schottky diode can increase a welding area, as well as decrease a contact area of the Schottky diode chip, reduce the short circuit phenomenon caused by welding and improve the weldability. The Schottky diode chip and the lead head can be effectively and reliably welded, so the extending and bending resistant properties of the Schottky diode are enhanced, the service life thereof is prolonged and the superior product rate is increased.

The invention belongs to the technical field of resistors, specifically a chip resistor, including a resistor body; two groups of concave-shaped slide plates are symmetrically connected to the two sides of the resistor body, and the ends of the slide plates are respectively provided with arc-shaped ends. The cavity formed by the sliding plate and the side of the resistor body is respectively provided with symmetrically distributed metal sheets; and the outer end of one row of metal sheets is provided with a snap-fitting portion, while the outer end of the other row of metal sheets is provided with a card. The joint part is matched with the engaging groove; the present invention welds the resistor body by setting a solder cavity composed of metal sheets, which not only effectively controls the amount of solder liquid, reduces the waste of solder liquid and poor welding of the resistor body, but also It can effectively limit the position of the solder liquid and reduce the short circuit phenomenon of the resistance body during welding, thus greatly improving the stability and effectiveness of the chip resistance during welding and use.

The invention discloses a fence type anode plate for electrodeposition of nonferrous metals. The fence type anode plate for electrodeposition of the nonferrous metals is characterized in that lead or lead-based complex alloy with the thickness of 2-10mm is compounded on the surface of a rod core to form a composite rod; a corrugated or sawtooth type pattern is drawn on the surface of the composite rod; a conductive ceramic composite coating layer is coated or electrodeposited on the surface of the composite rod; the fence type anode plate is formed by assembling a plurality of the composite rods; and the composite rods are fixed by insulation edge clamping strips and clamped by insulation rivets. By the fence type anode plate for electrodeposition of the nonferrous metals, fluidity of electrolyte solution is improved, concentration polarization of a cathode area is reduced, and deposition amount of cathode metals is increased, so that cathode current efficiency is improved; the fence type anode plate does not bend and deform, and therefore short circuit phenomenon of anode and cathode plates is prevented; and compared with the conventional lead-based alloy anode plate, the conductivity of the fence type anode plate is obviously improved, the tank voltage is reduced by 10%, the material cost is reduced by 20% and the current efficiency is increased by 2-5%.

The invention provides a three-dimensional memory and a preparation method thereof. The preparation method of the three-dimensional memory comprises the steps that an insulating layer, a spacer layer, the insulating layer and a sacrificial layer are alternately stacked to form a stacked structure, a channel structure penetrating through the stacked structure is formed, and the channel structure comprises a charge trapping layer formed on the inner wall of the channel structure; and disconnecting the charge trapping layer via the spacer layer.

The invention applies to the transformer field, and discloses a stator of a variable reluctance resolver and the variable reluctance resolver with the stator. The stator of the variable reluctance resolver comprises a stator iron core, an excitation winding, a sine output winding and a cosine output winding, wherein the stator iron core comprises a plurality of stator teeth, the stator teeth comprise odd teeth and even teeth, the excitation winding is wound around all or a part of the stator teeth and forms an excitation coil on each stator tooth where the excitation winding is wound around, the sine output winding is wound around a part of the odd teeth and forms a sine output coil on each odd tooth where the sine output winding is wound around, the cosine output winding is wound around a part of the even teeth and forms a cosine output coil on each even tooth where the cosine output winding is wound around, numbers of turns of all the excitation coils are equal, numbers of turns of all the sine output coils are equal, and numbers of turns of all the cosine output coils are equal. The stator of the variable reluctance resolver simplifies winding production technology and improves reliability of product quality.

The technical solution of the present invention is achieved in the following way: an electrolytic paper for lightning-resistant capacitors, consisting of a pressure-resistant layer paper and an absorbing layer paper, characterized in that: the pressure-resistant layer paper wraps the absorbing layer paper from both sides, The pressure-resistant layer paper includes several tubular fiber units, and the absorbing layer paper includes a fine cellulose fiber non-woven fabric layer containing fine cellulose fibers and a hemp fiber layer; the present invention also provides a method for preparing the above-mentioned anti-lightning A method for using electrolytic paper for capacitors; the beneficial effects of the invention are: the hole problem of the existing electrolytic paper is solved, the short circuit probability of the capacitor is reduced, the overall strength of the electrolytic paper is high, and the high pressure resistance and moisture permeability are relatively excellent.

The invention discloses a soldering tin preheating principle and application. According to the invention, a bonding wire comprises a solder layer and scaling powder arranged in the solder layer, the soldering tin preheating principle is applied to carry out preheating treatment on solder before soldering iron is used for welding tin at a high temperature, and enables the solder to become the soft state after preheating from the solid state before preheating; after the solder layer and the scaling powder arranged in the solder layer are preheated, the solder layer is enabled to become soft from the solid state, and during the high-temperature welding process, the soft solder layer relieves the sharp expansive force of the scaling powder, weakens the power of welding spot explosion caused by instantaneous, rapid and sharp heated expansion of the scaling powder during the welding process, and reduces the phenomenon that welding spot explosion generates tin balls, and the tin balls splash to the surfaces of electronic elements to cause a short circuit. The preheating time, the temperature, the supply current and the power-on or power-off states can be intelligently controlled according to the production demands, the intelligent operation degree is high, the tin ball splashing quantity during welding spot explosion can be controlled and greatly reduced, the operation is very safe, the yield of the electronic elements is high, the quality effect is excellent, and the production cost is lowered.

The invention discloses a light transmittance detection unit of a crystalline silicon wafer defect detection device, which includes a photoelectric coupler used to connect a central processing unit and a light source capable of emitting light with a wavelength of more than 400nm, the light source and the photocoupler Separately arranged on both sides of the silicon chip to be tested, the photosensitive port of the photocoupler is opposite to the light outlet of the light source, the light source illuminates one side of the silicon chip, and the photocoupler receives light from the other side of the silicon chip The optical signal from the side is converted into an electrical signal and then output to process and analyze the electrical signal, thereby obtaining defect data. The invention can not only detect the outer dimension of the silicon wafer, but also effectively detect the hole defect of the silicon wafer, can greatly reduce the phenomenon of battery electrode short circuit, thereby greatly improving the conversion efficiency of the battery, and the detection efficiency is also greatly improved.

A synchronous rectification module power supply combining self-driving and external driving circuits according to the present invention includes input filter circuit, switch circuit, transformer isolation conversion circuit, output rectifying circuit, output filter circuit, feedback circuit, control circuit, self-driving circuit and external drive circuit. The modular power supply of the present invention can effectively improve the output efficiency of the power supply, especially in low-voltage and high-current occasions, and can make the output power more reliable and stable; the drive mode combining external drive and self-drive has relatively low requirements on input conditions. relaxed for a wider input voltage range. The external drive signal and the self-drive drive signal maintain a complementary relationship. When the external drive is turned on, the self-drive is turned off; when the self-drive is turned on, the external drive is turned off, which can effectively prevent the rectifier and freewheeling tube open, a short circuit occurs.

Provided is a touch display device, which includes a touch display substrate and a driving circuit, the touch display substrate includes a plurality of data lines and a plurality of common electrodes,the common electrode is multiplexed into a touch driving electrode in a touch control stage, each common electrode corresponds to a data line, and the driving circuit is used for supplying a displaysignal to the data line in a display stage and supplying a touch signal to the data line corresponding to the common electrode in a touch control stage. The touch display substrate further comprises agating unit corresponding to the common electrode one by one, wherein the gating unit is connected with a corresponding common electrode, a data line corresponding to the common electrode and a common signal terminal, and is used for transmitting a touch signal on the data line to the common electrode in the touch control stage; and conducting the common electrode with the common signal terminalin a display stage. The invention also provides a driving method of a touch display device. The invention can reduce the phenomenon of short circuit between signal wires.

The invention discloses a temperature instrument with convenient maintenance. The structure includes a handle, a control key, a display screen and a sensor. The control key is set on the back of the handle, the display screen is installed on the top of the front of the handle, and the sensor is arranged on the back of the display screen. After the liquid is heated, it evaporates into water vapor and rises, and the water vapor enters the charging port and liquefies into water droplets. The protection mechanism protects the charging port, reduces the external hot air flow into the charging port, and reduces the appearance of water droplets on the outer wall of the conduit, which is beneficial The metal conduit inside the charging port is in normal contact with the charger, reducing the phenomenon of short circuit, which is conducive to the normal charging and use of the thermometer. Because the push piece is squeezed by the conduit, the internal liquid is easy to seep out and flow along the inside of the exhaust port. Flow through the inside of the exhaust port is provided with a stuck ball, the stuck ball blocks the water drops, reducing the water drops entering the inside of the airbag along the exhaust port, which is beneficial to speed up the exhaust speed of the air bag and increase the amount of exhaust.

The invention discloses an automobile door lock electric actuator comprising a box body, as well as a motor, a worm, a first transmission gear and a second transmission gear which are mounted in the box body, wherein a power output shaft of the motor is connected with the worm, the worm is meshed with the first transmission gear, the first transmission gear is meshed with the second transmission gear, a wiring terminal is further arranged on the box body, a conducting wire is led out of the wiring terminal, one end of the conducting wire is electrically connected with an external power supply, and the other end of the conducting wire is electrically connected with the motor. An internal circuit of the automobile door lock electric actuator adopts the conducting wire for connection; compared with the prior art, the wire can be arranged arbitrarily and not constrained by space, the production process steps are simultaneously reduced, the possible short-circuit phenomena caused by poor package and incomplete die cutting during the production process can be reduced, an the stability in product quality is improved.

The present invention discloses a battery system with a thermal management function, comprising a housing, a plurality of battery cells and at least one temperature control unit. The plurality of battery cells are provided in the housing. The temperature control unit includes at least one heat sink and a liquid heat exchanger. The heat sink comprises a temperature plate, a heat exchange plate and at least one closed chamber. The temperature plate is connected to the heat exchange plate, and the temperature plate extends between the plurality of battery cells to contact the plurality of battery cells, and the working chamber is provided with a working fluid capable of changing the phase between the two phases. The liquid heat exchanger is in thermal contact with the heat exchange plate, wherein a liquid flows through the inside of the liquid heat exchanger for exchanging heat with the heat exchange plate of the liquid and the heat radiating plate.

The invention relates to the technical field of computers, and discloses a high-efficiency cooling fan for a computer mainframe, comprising a frame, a mounting block is welded on the surface of the frame, the top of the mounting block is fixedly connected with a screw through a spring, and the top of the frame An adsorption mechanism is provided, the top of the frame is fixedly connected with a collection box, the inner wall of the frame is welded with a cross cover, the surface of the cross cover is fixedly connected with a spiral blade, and the top of the cross cover is provided with a guide mechanism, through The No. 1 magnet on the fan body drives the No. 2 magnet to move, which in turn causes the adsorption mechanism to frictionally generate electricity, so that the dust can be adsorbed. The adsorption mechanism can also allow the dust to enter the collection box for collection, preventing the dust from being absorbed again after being saturated. Blow out and fall on the motherboard, reduce the dust blown into the computer, prevent dust accumulation, reduce the short circuit of the computer motherboard caused by dust, and increase the service life of the computer.

The invention discloses a distributed street lamp control device based on Internet of Vehicles, which structurally comprises a wire, a controller and a control panel, the position, close to the bottom, of the front surface of the controller is connected with the right end of the wire, and the control panel is arranged on the upper surface of the controller. In a rainy environment, along with the gradual increasing of rainwater on the ground, rainwater flows into the controller along the heat dissipation holes, blocking mechanisms are arranged in the heat dissipation holes, heat can be drained and discharged through the blocking mechanisms, external rainwater can be blocked, external rainwater flowing into the shell is reduced, the phenomenon that a circuit in the controller is affected with damp and short circuit occurs is reduced, and normal control and use of the controller are facilitated. Due to the fact that the blocking rod is prone to moving downwards again after entering the opening, the limiting ring arranged on the supporting plate is movably matched with the clamping ball at the top in the opening, the supporting force on the blocking rod can be increased, limiting of the blocking rod is facilitated, the blocking rod is located in the opening, and rainwater can be blocked.

The display assembly includes one glass substrate, one tape carrier package (TCP) and one protective insulating layer. The glass substrate is provided with a display area, lines and wires connected to one test unit. During test, the display area is connected via lines and wires for the test unit to test on the display area. After test, the wires are blocked and the glass substrate is not connected to the test unit. Only after the blocking area is formed, the protective insulating layer is formed on the glass substrate to cover the blocking area, and TCP is connected electrically with the glass substrate. The present invention can prevent TCP from contacting residual metal in the blocking area and prevent short circuit, and this raises the quality of the display.