67results about How to "Prevent Static Interference" patented technology

The embodiment of the invention provides a multi-chip packaging structure and a multi-chip packaging method. n chips are sequentially stacked and arrayed on a chip loading platform; moreover, each chip partially covers the chip of the lower layer, so that a pad of the chip of the lower layer is exposed; a second bonding lead connects the pad on one chip to the pad on the other chip; and a first bonding lead connects the pad to a pin, accordingly, a minimum packaging area is obtained, moreover, the lengths of the first bonding lead and the second bonding lead are shortest, the powder loss which is caused by the self resistances of the bonding leads is lowered, and the reliability of the lead bonding is improved.

The invention provides a liquid crystal panel with the electrostatic protective effect and a manufacturing method thereof; at least one substrate of the liquid crystal panel is respectively provided with a plurality of driving IC pin pad and a soft sheet connection pad; a wiring is respectively arranged between each pin pad and the corresponding soft sheet connection pad; the substrate is provided with a common-ground metal layer opposite to the wiring so that a static discharge route is respectively formed between the special wiring and the grounding and a surge generated by static influence can be eliminated, therefore, the problem of messy code on the picture caused by static interference can be solved.

The invention relates to a refrigerator, a door for the same and a disassembling method for a display control assembly of the refrigerator. The door comprises a panel, a door lining, an embedded box and the display control assembly, wherein the panel is provided with a hollowed-out window; a mounting opening which is opposite to the hollowed-out window is formed in the front end of the embedded box; the embedded box is arranged between the panel and the door lining; the display control assembly is provided with a touch display screen, a mounting plate rack for fixing the touch display screen and a front cover plate arranged on the front side of the mounting plate rack; the touch display screen, the mounting plate rack and the front cover plate which are configured as a whole body successively pass through the hollowed-out window and the mounting opening and are mounted in the embedded box from front to back; the front cover plate is detachably connected with the mounting plate rack in a clamped manner; and the mounting plate rack is also detachably connected with the embedded box in a clamped manner. The disassembling method comprises the following steps of relieving clamped connection between the front cover plate and the mounting plate rack and disassembling the front cover plate from the mounting plate rack; and relieving clamped connection between the mounting plate rack and the embedded box and disassembling the mounting plate rack and the touch display screen from the inside of the embedded box. The refrigerator comprises a refrigerator body and the door.

The invention discloses a printed circuit board. The printed circuit board comprises a first protection layer, a first shielding layer, a circuit layer, a second shielding layer and a second protection layer, which are successively laminated. The circuit layer comprises a data signal line and a grounding line. The grounding line is electrically connected with the first shielding layer and the second shielding layer. The peripheral side faces of the printed circuit board comprise an input face, an output face and a non connection face. A first shielding region which is not covered by the first protection layer is formed in a position near the non connection face of the first shielding layer. A second shielding region which is not covered by the second protection layer is formed in a position near the non connection face of the second shielding layer. The printed circuit board comprises a shielding support which is electrically connected with the first shielding region or/and the second shielding region and covers the non connection face. The printed circuit board is capable of preventing static interference. The invention also discloses a mobile terminal.

The invention relates to an anti-static communication tower for mobile Internet 5G communication. The anti-static communication tower for the mobile Internet 5G communication comprises bonding piecesand a mounting block, a fixing base is mounted on the upper portion of the bonding pieces, and first fixing screws are arranged on the inner side of the fixing base. Second fixing screws are disposedon the right side of the first fixing screws, telescopic blocks are mounted on the left side of a mounting block, and the mounting block is located above the fixing base. A top block is fixed to the upper portion of the mounting block, and a limit block is mounted on the left side of the top block. The anti-static communication tower for the mobile Internet 5G communication has the beneficial effects that through installation of a tower body, an anti-static layer, jacks, a sleeve block and a warning light, the anti-static layer can prevent the anti-static communication tower from being interfered by static electricity after being mounted, even if a static interference source device exists around the anti-static communication tower, signals can also be transmitted completely, the working efficiency of the anti-static communication tower is enhanced, and through arrangement of the jacks, climbing of a maintenance worker is facilitated and is more convenient, the maintenance time of the maintenance worker is saved, and the warning light can automatically flash at night.

The invention discloses a stretch- and fatigue-resistant shielding soft data cable which comprises eight metal conductor units and an aramid reinforcement element, wherein the metal conductor units comprise aramid fiber arranged at the centers, inner conducting layers and outer conductor layers; four symmetric insulated wire pairs are twisted around the outer surface of the aramid reinforcement element to form a cable core; a second polytetrafluoroethylene layer longitudinally wraps the outer surface of the cable core, gaps between the second polytetrafluoroethylene layer and the four symmetric insulated wire pairs are filled with a plurality of cotton yarns, a cotton fiber thread is wound around the outer surface of the second polytetrafluoroethylene layer to form a buffer sliding layer, the winding direction of the cotton fiber thread is opposite to the twisting direction of the four symmetric insulated wire pairs, a plurality of metal wires are wound around the outer surface of the buffer sliding layer in parallel to form a metal shielding layer, the winding direction of the metal wires in the metal shielding layer is opposite to that of the cotton fiber thread, and a third polytetrafluoroethylene layer wraps the outer surface of the metal shielding layer. The stretch- and fatigue-resistant shielding soft data cable has the advantages of low friction coefficient, softness, stretch resistance and no friction static generation, and stable structural and electrical performance after frequent moving still can be guaranteed.

The invention discloses a portable photoelectric effect detector including a detector body, a wire box, a radiator, a wire mesh and a front cover plate, one side of the detector body is provided with a wire box, the upper surface of the detector body is provided with a display screen folding groove, and the front cover plate is installed at the inner side position, close to a handle, of the front surface of the detector body. The structure is scientific and reasonable, the use is safe and convenient, the appearance structure of the detector is optimized, the detection data can be visually seen by workers, the detection efficiency of the workers can be improved, the handle and an antislip sleeve are arranged to make the detector portable, the radiator is arranged to increase the heat radiation intensity of the detector, and flame retardation moisture absorbing cotton is arranged to make the environment in the detector dry and to prevent static interference inside the detector as well. The portable photoelectric effect detector is simple in structure and convenient to use, and improves the service life of the detector.

The invention belongs to the field of garment fabric and particularly relates to an antistatic blended yarn. The antistatic blended yarn is formed by blending the following components in mass percent: 20-30 percent of cotton fiber, 40-60 percent of viscose and 15-22 percent of polyamide fiber, wherein the polyamide fiber is antistatic pretreated polyamide fiber. According to the blended yarn disclosed by the invention, the problem of electrostatic interference in the wearing process of synthetic fiber fabric is solved, so that synthetic fiber and the fabric thereof have durability and antistatic property; not only is the antistatic property of the fabric improved but also the potential safety hazard is lowered.

The present invention discloses an optical film and a display device including a polarizer film and a conductive layer. The polarizing film has a first surface and a second surface on the opposite side of the first surface. The conductive layer is on the surface. The thickness of the conductive layer is between 2 [miu] and 10 [miu], and the sheet resistance is substantially between 10 ohm/sqr and 10 ohm/sqr.

A high-voltage brushless DC generator structure, including a stator, a brushless rotor, an excitation assembly, a pulley, and a shaft; one end of the heat dissipation shell is connected to the front heat dissipation end cover, the other end is connected to the rear heat dissipation end A stator, a brushless rotor, and an excitation assembly are arranged between the heat dissipation end covers, the heat dissipation fan is installed outside the rear heat dissipation end cover, and the fan guard is placed outside the heat dissipation fan and connected with the rear heat dissipation end cover. The present invention adopts the structure that the cooling fan is installed on the outside of the rear heat dissipation end cover to avoid electrostatic interference on the generator; the front heat dissipation end cover, the rear heat dissipation end cover and the heat dissipation housing form a sealed structure, which can effectively isolate the washing water from entering the generator; The heat dissipation shell, the front heat dissipation end cover, and the rear heat dissipation end cover are all equipped with radial heat dissipation ribs to increase the heat dissipation area; the whole motor and the engine are made to vibrate at the same frequency through the base installation method on the heat dissipation shell, and the belt pulley The transmission mode can effectively absorb the vibration and shock of the engine.

A composite electronic jacquard interceptor includes pin axle, swing arm, spring, guiding block, electromagnet, saw shape slot with convex, hanging hook, and casing. Comparing with current technology, said invention has advantages of 1, simple structure with small arm swing range and high work frequency, 2, no electrostatic interference due to adopting plastic hook, 3, small magnetic gap, 4, energy saving due to the more windings turns and low voltage.

The invention discloses an anti-fatigue high speed data cable for a mechanical arm. The cable comprises eight metal conductor units and an aramid reinforcer, wherein the metal conductor units comprise aramid fibers, and first stannum-copper alloy conductors and first oxygen-free copper conductors which are twisted on the external surfaces of the aramid fibers; second stannum-copper alloy conductors and second oxygen-free copper conductors are twisted on the external surfaces of internal conductive layers; a second polytetrafluoroethylene layer longitudinally wraps the external surface of a cable core; a plurality of cotton yarns are filled in gaps between the second polytetrafluoroethylene layer and four symmetric insulated wire pairs; a cotton fiber wire is wound on the external surface of the second polytetrafluoroethylene layer to form a buffer sliding layer; a winding direction of the cotton fiber wire is opposite to twisting directions of the four symmetric insulated wire pairs; a plurality of metal wires are wound on the external surface of the buffer sliding layer side by side to form a metal shielding layer; winding of the metal wires in the metal shielding layer is opposite to that of the cotton fiber wire; and a third polytetrafluoroethylene layer wraps the external surface of the metal shielding layer. The cable is small in friction coefficient, soft and anti-tensile, does not generate friction static, and can still ensure stable structure and electrical performance after frequent movement.

The invention relates to the technical field of automobile steering wheel assembly, in particular to an assembly processing line and an assembly process of a left gear lever handle for an automobile steering wheel. The assembly processing line used for assembling the left gear lever handle comprises a pre-assembling assembly, a rotary assembling assembly, an adsorption press-fitting assembly and alocking and pressing assembly which are sequentially arranged according to the assembling sequence of the left gear lever handle, through combined use of the pre-assembling assembly, the rotary assembling assembly, the adsorption press-fitting assembly and the locking and pressing assembly, machined parts can be automatically assembled in each assembling step, so that manual operation is reduced,the assembling precision and the assembling quality are improved, the technical problem of low assembling precision caused by manual factors in the assembling process is solved, and the defective rate is effectively reduced.

The invention provides a method for producing a carpet by using waste clothes. The method comprises the following steps: step 1, producing tufting base cloth; step 2, producing a liner layer; and step 3, producing a tufting layer. The step 1 comprises the following steps: carrying out pre-treatment, disinfection, first-path crushing, foreign matter treatment, second-path crushing, carding, cutting-off and mixing on the dried waste clothes in sequence to prepare staple fibers; immersing the staple fibers into an antistatic agent to be immersed for 10-20 minutes and mixing the staple fibers into high molecular weight polyethylene fibers, wherein the mass ratio of the staple fibers to the high molecular weight polyethylene fibers is (3-5) to 1; and taking non-woven cloth produced by a spun-laced method as a first base cloth layer, wherein the thickness of the non-woven cloth is 0.3mm-0.8mm so that the electrostatic interference is avoided and the high-quality non-woven cloth is produced. Furthermore, in the step 3, the staple fibers are used as second tufting and the waste clothes are effectively utilized and are organically added into a production process of the carpet; and the method provided by the invention is simple and has low cost and a very great market prospect.

The invention discloses a portable mist sprayer for an oil-moving plant-protection unmanned aerial vehicle, and belongs to the technical field of agricultural machinery. The portable mist sprayer includes a fuel tank, a drug tank, a pump, an air cylinder, an exhaust pipe, a metal pipe, a first spray head, an insulated pipe, a drug delivery hose, an oil conveying pipe, an electrostatic device and asecond spray head, wherein the drug tank is connected with the pump, the pump is connected with the metal pipe through a drug delivery hose, one end of the oil conveying pipe is connected with the oil tank, the other end of the oil conveying pipe is connected with the air cylinder, the air cylinder is connected with the exhaust pipe, the first spray head is arranged in the exhaust pipe, one endof the metal pipe is connected with the drug tank, the other end of the metal pipe is connected with the first spray head, an outlet end of the exhaust pipe is connected to the insulated pipe, the insulated pipe is connected with the electrostatic device, and the electrostatic device is provided with the second spray head. The portable mist sprayer for the oil-moving plant-protection unmanned aerial vehicle of the present invention is portable, can load a large weight of a liquid drug and is high in liquid drug spraying efficiency.

The invention relates to novel laser engraving unit equipment which comprises a machine body, a machine cover and the like. The novel laser engraving unit equipment is characterized by further comprising a photoelectric receiver, a slag collecting groove, a photoelectric transmitter, a buzzer, a full-automatic electrostatic eliminator and an exhaust fan; and the machine cover is installed above the machine body and is provided with an observation opening, the photoelectric transmitter is installed on one side of the observation opening, a control table is installed on one side of the machine body, the full-automatic electrostatic eliminator is installed on one side of the control table, and the photoelectric receiver is installed on one side of the control table. By means of the exhaust fan, chippings and dust can be sucked into the slag collecting groove, equipment aging caused by too much dust is avoided, meanwhile, waste slag is more easily removed, and a large amount of cleaning time is saved; in the engraving process, the photoelectric transmitter will transmit photoelectric signals continuously, if the machine cover is not closed, the photoelectric receiver cannot receive the photoelectric signals, the buzzer is triggered to make a sound and give out an alarm, and a worker is prompted that the machine cover is not closed; and the full-automatic electrostatic eliminator can automatically eliminate surrounding static, and static interference is avoided.

The invention provides a circuit board drilling and etching process. An optimized circuit board is used to etch a former time drilling and etching process, after the selection of a drill in each time, drill holes which need to be the processed by the drill are all completed, and the replacement of the drill to carry out the second time of drilling is not needed. The heat conduction effect of a pressing plate is good, the heat radiation is good, the insulation performance is good, the electrostatic interference during the processing can be effectively avoided, the stability in the processing can be ensured, and the quality of a produced product is improved further.

The invention provides a key circuit board. The key circuit board comprises bonding pads which are arranged on the key circuit board, wherein the bonding pads comprise a central bonding pad and a peripheral bonding pad which is arranged at the periphery of the central bonding pad; the central bonding pad is electrically connected to a keyboard signal input port of a processing chip through a first conducting wire; and the peripheral bonding pad is electrically connected to a keyboard signal output port of the processing chip through a second conducting wire. The invention also provides a keyboard and a mobile phone. In the mode, the technical scheme provided by the invention can effectively prevent electrostatic interference so as to guarantee circuit safety.

The invention discloses a colorful firecracker which comprises an outer cylinder and an inner cylinder installed on the inner side of the outer cylinder. A mud plug is arranged on the bottom of the outer cylinder. A propellant powder layer is arranged on the portion, above the mud plug, of the inner side of the outer cylinder. The propellant powder layer is in press fitting with the inner cylinder. The inner side of the inner cylinder is filled with effective powder. The colorful firecracker further comprises an antistatic paperboard arranged on the portion, on the bottom of the inner cylinder, of the outer cylinder. A detonating pipe is arranged in the center of the antistatic paperboard in a penetrating manner. The two ends of the detonating pipe communicate with the inner cylinder and the propellant powder layer. The inner side of the detonating pipe is filled with saltpeter guide powder. A spiral groove is formed in the exterior of an inner pipe. The exterior of the inner pipe is coated with an antistatic coating. According to the colorful firecracker, the situation that the propellant powder layer and the effective powder are influenced by static electricity can be avoided, inaddition, by means of colorful powder, the periphery of the detonating portion can be well decorated in the daytime, meanwhile, hydrogen can assist secondary shining of the effective powder, and thedecorating effect is good.

The invention discloses a coplanar differential pressure sensor, and relates to the technical field of pressure sensing. The coplanar differential pressure sensor comprises a sensor body, pressure sensing faces and a chip assembly. The sensor body is provided with a lower end face; two grooves are formed in the lower end face; and the pressure sensing faces comprise the first pressure sensing faceand the second pressure sensing face which are arranged in the grooves correspondingly and used for sensing fluids with different pressures. The chip assembly is provided with a sensor chip; the sensor chip is provided with a positive pressure end and a negative pressure end; the positive pressure end communicates with the first pressure sensing face to detect the pressure sensed by the first pressure sensing face; and the negative pressure end communicates with the second pressure sensing face to detect the pressure sensed by the second pressure sensing face. By arranging the mutually coplanar pressure sensing faces on the sensor body, the pressure error caused by the fact that as for a traditional differential pressure sensor, the pressure sensing faces are not on the same plane is avoided, and the accuracy of a measurement result is guaranteed.

The invention discloses an LED chip production technology. During a machining process, constant temperature drying is employed and lasts for 30 minutes at the temperature of 75 DEG C. At this temperature, moisture on a support can be quickly evaporated, and the structure of the support can not be destroyed. Before chip expansion, a chip is pre-heated at the pre-heating temperature of 50 DEG C. The pre-heating enables the chip structure soft, and in the expansion process, the shape is easy to change. A wood vacuum suction nozzle is used to suck the LED chip up and move. The wood suction nozzle can prevent damage to the surface of the LED chip compared with the condition in which a steel nozzle may scratch a current diffusion layer on the chip surface. The pre-heating is carried out before the pressure welding at the temperature of 220 DEG C. Before the pressure welding, a welder is preheated so as to continuously keep the pressure welding temperature during the pressure welding process. Antistatic packages are employed for finished products. Circuit systems in the chips are easily interfered by the static so as to make the chips unstable, thus the antistatic packages can effectively prevent the static interference.

The invention discloses a thermodynamic mist spray device of a plant protection unmanned aerial vehicle. The thermodynamic mist spray device comprises a framework, a pesticide liquid supply portion and more than two thermodynamic mist spray units. Pesticide liquid can be delivered to the thermodynamic mist spray units by the pesticide liquid supply portion, the thermodynamic mist spray units are of identical structures, the pesticide liquid supply portion is arranged on the framework, the thermodynamic mist spray units comprise pesticide liquid leading-in pipes, spray nozzles, mist spray leading-out pipes, heat-insulation protection portions, spiral heat conduction pipes, metal pipes and gas tanks, the spiral heat conduction pipes are positioned between the pesticide liquid leading-in pipes and the mist spray leading-out pipes, the pesticide liquid leading-in pipes extend into the pesticide liquid supply portion, the mist spray leading-out pipes extend into the spray nozzles, the gas tanks are positioned beside the pesticide liquid supply portion, the metal pipes are communicated with the gas tanks and extend into cavities formed by the spiral heat conduction pipes, the heat-insulation protection portions are provided with cavities for accommodating the spiral heat conduction pipes, and the spiral heat conduction pipes are arranged in the heat-insulation protection portions. The thermodynamic mist spray device of the plant protection unmanned aerial vehicle has the advantages that the thermodynamic mist spray device is of the structure, accordingly, noise generated when the plant protection unmanned aerial vehicle works can be lowered, and the efficiency of spray operation can be improved.