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

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 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 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 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.

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.