48results about How to "Reduce signal interference" patented technology

The application relates to a display panel, a preparation method thereof and a display device. The display panel comprises a substrate, an isolation structure, a plurality of light emitting devices, a plurality of first touch electrodes, a plurality of scan lines and a wiring structure on one side of the substrate. The isolation structure comprises a plurality of isolation openings and a plurality of touch openings. The plurality of light emitting devices are arranged in the plurality of isolation openings correspondingly. The plurality of first touch electrodes are arranged in the plurality of touch openings correspondingly. The plurality of scan lines are arranged in a first direction at intervals. Each scan line extends in a second direction. The first direction and the second direction intersect. The wiring structure is connected with a first power supply potential. The wiring structure comprises a plurality of first wires arranged in the first direction at intervals. A film layer where the plurality of first wires are located is between a film layer where the plurality of scan lines are located and a film layer where the first touch electrodes are located. The display panel performance can be improved by adopting the scheme.

The application discloses an enzyme-electron medium micro-nano composite for biosensing and a preparation method and application thereof. A dehydrogenase for electrochemical detection and an electron medium are jointly loaded in a cavity of a carrier, the carrier is contracted through chemical or physical stimulation, and electron medium molecules in the cavity are forced to be distributed around active centers of the dehydrogenase, so that a contractible limited microsphere structure is obtained. The enzyme-electron medium micro-nano composite obtained by the application can significantly improve a response current generated by unit enzyme catalysis, enhance the stability of the enzyme, and effectively prolong the service life of a sensor.

The utility model belongs to the voice interaction technical field discloses a kind of voice interaction devices, it includes sound entry box, sound entry component, sound exit box and sound exit component.Sound entry box is equipped with bunching structure, sound entry component includes microphone, circuit board and first wire, microphone is set to sound entry box, microphone is electrically connected in circuit board by first wire, sound exit box and sound entry box are set in split type, sound exit component includes loudspeaker and second wire, loudspeaker is set to sound exit box, and it is electrically connected in circuit board by second wire, bunching structure is configured as at least part first wire and / or at least part second wire is limited in sound entry box.By the above setting, the voice interaction device of the application can effectively bind cable and reduce the signal interference between microphone and loudspeaker.

The utility model relates to vehicle sensor technical field, and disclose a kind of vehicle over-the-horizon obstacle detection device. Including vehicle body, it is characterized in that, still include: fixed mounting frame, radar signal processing module, millimeter wave radar, the vehicle body bottom is fixedly installed with fixed mounting frame, the inboard of fixed mounting frame is fixedly installed with radar signal processing module, the inboard of fixed mounting frame is fixedly installed with millimeter wave radar, the fixed mounting frame contains frame main body, the frame main body both sides symmetry fixed mounting have steerable wide-angle camera, the steerable wide-angle camera, one end fixed mounting have evenly distributed fifteen mounting frame door, it is favorable to provide impact resistance and anti-deformation mechanical protection, ensure the security of internal precision component under bad road condition, and the mounting frame door installed thereon uses quick release design to facilitate maintenance replacement.

The utility model relates to the technical field of power supplies, and discloses a power supply device with an underneath storage location radiator, which comprises a transverse frame, a cabinet body shell and a needle bed power supply device main body, the cabinet body shell is clamped on the inner wall of the side surface of the transverse frame, the inner wall of the side surface of the cabinet body shell is fixedly connected with an electric control board main body, an adjusting mechanism is arranged on the transverse frame, and the needle bed power supply device main body is fixedly connected with the cabinet body shell. An auxiliary mechanism is arranged on the adjusting mechanism, the adjusting mechanism comprises a lap joint frame, the lap joint frame is fixedly connected to the outer wall of the rear side of the transverse frame, a sliding groove is formed in the inner wall of the top of the lap joint frame, and heat dissipation mounting frames are slidably connected to the inner walls of the left side and the right side of the sliding groove. According to the utility model, through the splicing frame structure in which the transverse frame, the longitudinal frame and the vertical frame are mutually fixed through threads, the layout can be flexibly adjusted according to the number of placed equipment, the space is effectively saved, and the occupied area is reduced; internal equipment is concentrated below the small radiator, a radiating path is optimized by utilizing the lower radiator, and a stable and uniform-temperature environment is formed.

This utility model discloses an ultra-thin stacked structure consisting of a battery, a motherboard, a button bracket, a button board, and a shielding cover. The motherboard has a first connecting surface connected to the battery, and this first connecting surface is a single-sided component. The motherboard is located inside the button bracket, and the button board is located outside the button bracket. The motherboard and the button board are respectively connected to the button bracket. The shielding cover is placed on a second connecting surface of the motherboard, which is opposite to the first connecting surface. This utility model, by adopting a single-sided design and a battery-motherboard mounting design in the battery area, reduces the height of components on the battery side, thereby effectively reducing the overall thickness. The 4G component stacking density is reduced, signal interference is decreased, and the shielding cover design prevents short circuits with taller components during reliability testing, meeting the stringent performance and reliability requirements of 4G communication.

The utility model relates to the field of rock mechanics test and nondestructive testing, in particular to a biaxial test cushion block device for measuring acoustic emission positioning of a structure containing a cavern, which comprises a connecting bottom plate and a cushion block, a connecting hole is arranged on the inner side of the cushion block, a sleeve is fixedly mounted in the connecting hole, a movable block is arranged in the sleeve, and the movable block is connected with the connecting bottom plate. Movable rods are fixedly mounted on the movable blocks, mounting plates are fixedly mounted at the ends, away from the movable blocks, of the movable rods and extend to the outer sides of the sleeves, springs are arranged on the surfaces of the movable rods, and through holes are formed in the surfaces of the mounting plates; the device is reasonable in structural design, can realize rapid installation and disassembly, improves the test efficiency, ensures close contact between the acoustic emission sensor and a rock sample through the spring mechanism, improves the accuracy and stability of signal acquisition, facilitates replacement of cushion blocks or sensor positions of different specifications through modular design, can be repeatedly used, and is suitable for popularization and application. And the method has good economical efficiency and engineering application and popularization prospects.

The application discloses a battery device and a power utilization equipment. The battery device comprises an energy bin and an electrical bin. The energy bin comprises a battery box body and a plurality of battery monomers accommodated in the battery box body. The electrical bin comprises an electrical box body, a mounting rack, a battery management unit and a battery monitoring unit accommodated in the electrical box body, the mounting rack is a one-piece structure, the battery management unit comprises a first circuit board, the battery monitoring unit comprises a second circuit board, and the first circuit board and the second circuit board are both mounted on the mounting rack. By arranging the one-piece mounting rack and mounting the first circuit board of the battery management unit and the second circuit board of the battery monitoring unit on the mounting rack, the mounting rack can be used for uniformly assembling a plurality of electrical components of the electrical bin, the structural level of the electrical bin can be reduced, the structure of the electrical bin can be simplified, the manpower for mounting can be reduced, the work efficiency of the pull line can be improved, and therefore the production rhythm can be accelerated and the production efficiency can be improved.

The utility model discloses a kind of multi-contact mechanism connector of screw interface, comprising: pin connector assembly and jack connector assembly;The pin connector assembly is inserted with jack connector assembly and is sealed under the action of connecting ring and sealing structure.The utility model is through the layout of multiple pin jacks, while meeting the demand of multi-line transmission, effectively reduce the volume of connector, reduce the complexity and occupied space of equipment connection.

The utility model discloses a kind of interlayer interconnection structures for multilayer circuit board in the technical field of circuit board processing, multilayer circuit board includes multiple layer plates, multiple layer plates are integrally formed by once compression, and multiple different depth blind holes are provided on multilayer circuit board, each blind hole extends to set depth from surface layer or bottom layer of multilayer circuit board, the surface of blind hole is provided with conductive layer, and the inside of blind hole is also filled with plug hole medium for making up the current deficiency problem of conductive layer. The utility model solves the defects that interlayer interconnection structure in existing multilayer circuit board is difficult to process, yield is low, cost is difficult to control, etc., greatly reduces the process flow steps of processing, saves processing time, reduces processing cost, improves yield, and the utility model can also make up the problem of insufficient conductive current caused by insufficient copper of mechanical blind hole.

This utility model relates to the field of testing device technology and discloses a testing device for an automotive cockpit controller, comprising: a main cabinet, which is divided into multiple functional layers along a first direction by partitions, the functional layers being suitable for testing at least one function of the automotive cockpit controller; and a darkroom connected to the main cabinet, the darkroom being suitable for forming a dark space; the main cabinet includes: a first side panel, the first side panel being suitable for mounting the object under test for testing in the darkroom. By dividing the main cabinet into multiple functional layers along the first direction, the parallel testing capability of multiple functions of the automotive cockpit controller is realized. This not only optimizes space utilization but also significantly improves testing efficiency, allowing different functional modules to be tested simultaneously, greatly shortening the overall testing cycle. The connection design of the darkroom provides a controllable dark environment for optically related tests, ensuring the reliability and consistency of test data.

The invention discloses a miniaturized ultra wide band antenna, a UWB positioning terminal and a positioning method thereof. The antenna comprises a dielectric substrate, a radiation unit, a grounding plate and an excitation source, wherein the radiation unit, the grounding plate and the excitation source are stacked on the same outer surface of the dielectric substrate; the grounding plate and the radiation unit are arranged at intervals; the excitation source is arranged between the radiation unit and the grounding plate, and is electrically connected with the radiation unit and the grounding plate. The grounding plate and the radiation unit form a radiation loop, a first ultra-wideband pulse electric signal generated by the excitation source is converted into a first electromagnetic pulse signal, and the first electromagnetic pulse signal is emitted to the space; and a second electromagnetic pulse signal reflected by the positioning target in the space is converted into a second UWB pulse electric signal and the second UWB pulse electric signal is transmitted to the excitation source, so that the UWB positioning terminal obtains the positioning information. The antenna is compact in structure and low in cost, the optimal balance among the size, the cost and the regulation compliance is ensured, and the UWB terminal equipment is promoted to develop in a more compact, more economical and more compliant direction.

The utility model relates to the technical field of solenoid valve decoders, and discloses a solar wireless valve controller. The utility model aims to solve the technical problems that a wired decoder in the prior art needs to lay a large number of wires, the labor cost is high, the maintenance is complicated, and the solar energy utilization efficiency is low. The system comprises a controller connected with a plurality of electromagnetic valves, the controller is connected with a motor driving module and a wireless communication module, and the motor driving module comprises two motor driving chips RZ7899 so as to realize double-shaft tracking rotation of a solar panel; the wireless communication module comprises a LoRa radio frequency chip; the input end of the power supply module is connected with the solar panel, and the output end of the power supply module is connected with the energy storage battery; the power supply module further comprises a signal processing circuit, and the signal processing circuit comprises two optical couplers. According to the utility model, automatic control and management of the electromagnetic valve are realized. The efficiency and the reliability of the system are improved, the operation cost is reduced, and remarkable economic and social benefits are achieved.

The embodiment of the utility model discloses a test device, a test circuit and a test system, and relates to the field of test equipment. The testing device comprises a plurality of module modules, a plurality of channel modules, a control circuit, a first simulation module and a second simulation module. The plurality of module modules are arranged in parallel and are correspondingly connected with the plurality of acquisition modules; the plurality of channel modules are connected with the plurality of module modules; the control circuit is used for controlling the plurality of module modules and the plurality of channel modules; the first simulation module is connected with the plurality of channel modules; and the second simulation module is connected with the plurality of module modules. And the control circuit is configured to control the tested module to be communicated with the first simulation module through the plurality of connected channel modules when the tested acquisition module is tested. The testing device can quickly and independently test a single battery module, and the testing efficiency is improved.

The application discloses a kind of high surface natural micropore structure regulation-based high surface withstand voltage polyimide and preparation method and application thereof, belong to high voltage insulating material technical field, after drying diamine is dissolved in solvent A, then add dianhydride, after stirring uniformly, obtain polyamide acid solution;Add pore forming agent again, high-speed stirring is uniformly dispersed, obtain mixed viscous solution C;After coating, drying, imidization high temperature heating, and natural cooling, immerse in liquid B and extract pore forming agent, after drying, obtain high surface natural micropore structure regulation-based high surface withstand voltage polyimide.The polyimide surface has natural pore structure, surface is along the surface of electric field, and the through-hole structure is densely distributed along the surface of electric field, and the electron is easy to drop into the through-hole structure in the jumping multiplication process when flashover, and it is difficult to return to the surface, so that the secondary electron multiplication process is inhibited, the probability of forming secondary electron avalanche is reduced, so as to realize the improvement of surface withstand voltage.

According to the centralized control circuit and the pneumatic comfort system, the centralized control circuit is provided with the master control unit and the slave control unit, so that the master control unit can control the first air source driving module, and meanwhile, the slave control unit can be managed through a protocol so as to control the first air valve driving modules; repeated configuration of hardware is effectively reduced, the slave control unit is simplified in design and only serves as an execution unit, software of the slave control unit can be completely canceled, and the cost of the slave control unit is reduced.

The application discloses a three-dimensional memory device, comprising a substrate, a stack structure arranged on the substrate, and a memory string structure penetrating through the stack structure. The stack structure comprises a plurality of conductive layers and a plurality of dielectric layers arranged alternately. The memory string structure comprises a conductive pillar and a memory layer between the conductive pillar and the stack structure and surrounding the conductive pillar, wherein the memory layer comprises a plurality of first protrusions respectively filled in a plurality of first recesses at the junctions of the conductive layers and the dielectric layers. The application can improve the electrical isolation between memory cells and reduce the signal interference problem between adjacent memory cells during writing or reading.

The utility model relates to the technical field of mass spectrometers, and provides a Faraday cup detection device for xenon isotope, which comprises a receiver shell, a receiver terminal flange and a receiver mechanism, a first through groove matched with the receiver mechanism is formed in the top of the receiver shell, the receiver terminal flange is fixedly connected with the receiver mechanism, the receiver terminal flange is further fixedly connected with the receiver shell, and the receiver mechanism is provided with a plurality of shielding pieces used for grounding. Specific slit spacing is set for deflection of xenon isotope passing ions in a magnetic field, and a grounded shielding sheet is additionally arranged between two Faraday cups, so that mutual interference between the Faraday cups is effectively prevented, and the accuracy of final abundance ratio calculation is improved.

The utility model relates to force sensor technical field, concretely is robot six -dimensional force sensor, including the casing, the casing one side is equipped with the apron, the other side is equipped with the movable end connecting seat, and the movable end connecting seat is connected with robot movable arm, and the casing is away from the movable end connecting seat one side and is connected with the drive end of robot, and the casing middle part is provided with the intermediate body, and the intermediate body outside is equipped with a plurality of elastic beams, and the elastic beam outer end is equipped with the strain gauge. In the robot six -dimensional force sensor, through the elastic beam of intermediate body outside annular equidistance arrangement, the strain gauge of combination outside end installation, form the efficient force - electricity conversion structure, can accurate perception three -dimensional space in the force and the moment change, provide accurate force sense information feedback for robot, effectively promote the operation accuracy of robot in precision assembly, force control polishing etc.

The utility model belongs to switch technical field relates to a full -power or half -power variable power switch, include: alternating current input terminal A, mechanical switch SW1, diode D1 and alternating current output terminal 1. The anode of diode D1 is connected with the pin x of mechanical switch SW1, and the cathode of diode D1 is connected with the pin y of mechanical switch SW1 and the pin 1 of alternating current output terminal respectively. In addition to having the original function of traditional mechanical switch, when switching, the power parameter of the appliance equipment can be automatically switched and changed, directly coping with the different power requirements of the equipment appliance.

The utility model discloses a kind of flexible adaptive type RFID intelligent labels, it is related to RFID intelligent label technical field, including shell and temperature sensor;Shell: inside box groove is slidably installed with box body, the inside of box body is provided with baffle, the box body is separated into installation cavity and electrical device cavity by the baffle, label body is placed in the installation cavity of the box body inside, the inside of the electrical device cavity of the box body inside is installed with processor, this flexible adaptive type RFID intelligent label, by integrating multiple mode installation unit (magnetic attraction, spring clamping, back glue) it is realized to the quick adaptation of different material and curved surface, shell surface is additionally provided with anti-electromagnetic interference layer and wear-resistant coating, combined with sealing protection frame and buffer sponge pad, the durability and reliability of label in complex environment (such as high temperature, vibration, electromagnetic interference) have been significantly improved, solve the problem such as single installation mode of traditional RFID label, poor environmental adaptability and easy to break.

The utility model belongs to the technical field of electrical assembly, and discloses a cable threading structure and an environmental test box. The environment test box comprises a box body and a cable threading structure, the cable threading structure comprises a threading piece, a fixing assembly and a blocking assembly, the threading piece is provided with a threading hole penetrating through the first side wall and the second side wall of the threading piece, a cable can penetrate through the threading hole, the inner wall of the threading hole is provided with a heat insulation piece, the fixing assembly comprises a first fixing piece, a second fixing piece and an attaching piece, and the attaching piece is fixedly connected with the fixing assembly. The first fixing piece and the second fixing piece can be buckled with each other, at least one of the first fixing piece and the second fixing piece is fixedly arranged on the first side wall, the threading hole can be blocked when the first fixing piece and the second fixing piece are buckled, the attaching pieces oppositely arranged on the first fixing piece and the second fixing piece can deform and fix a cable, and the blocking assembly is arranged on the second side wall and used for blocking airflow or impurities from passing through the threading hole. The threading piece is arranged to be a wall face of the box body, and a cable can penetrate into or out of the box body through the cable threading structure. The problems of heat accumulation, air leakage, condensation and signal interference can be solved, and the test reliability of the environment test box is improved.

This invention provides a semiconductor side-mounted package structure and its fabrication method, relating to the field of semiconductor device packaging technology. The package structure includes a substrate, a planar chip, a side-mounted chip, and a molding compound. One side surface of the substrate has spaced-apart mounting areas and side-mounted recesses. The front or back side of the planar chip is mounted in the mounting areas and spaced apart from the side-mounted recesses, and the planar chip is electrically connected to the substrate. The side of the side-mounted chip is mounted in the side-mounted recesses, and the front side of the side-mounted chip is angled to one side surface of the substrate and is electrically connected to the substrate. The molding compound is disposed on the substrate and covers the planar chip and the side-mounted chip. Compared to existing technologies, this invention, compared to multi-chip planar arrangements, allows for differentiation of chip electrical connections and reduces signal interference between chips, thus solving the signal interference problem in terms of performance and reducing package size.

The application discloses a kind of refining ladle conveying pulse positioning device, it is related to refining ladle conveying technical field, including car body base, the bottom of car body base is equipped with walking part, the bottom of car body base is equipped with cable drum mechanism, pulse positioning mechanism is equipped on cable drum mechanism, rotating ring mechanism and mounting plate mechanism are equipped on car body base, a plurality of hydraulic adjusting mechanisms are equipped between rotating ring mechanism and mounting plate mechanism, the upper surface of mounting plate mechanism is fixedly connected with two symmetrical side column clamping plate mechanisms, side edge clamping column mechanism is equipped on mounting plate mechanism, linkage positioning mechanism is equipped between side column clamping plate mechanism and side edge clamping column mechanism, the cable of the cable drum mechanism can be wound by being equipped with, and continuous position feedback and control output can be realized by cooperating pulse positioning mechanism, the accurate positioning of car body base is guaranteed, rotating ring mechanism can drive hydraulic adjusting mechanism to rotate and change position, and the efficiency of refining ladle conveying is improved.

The application relates to a switching control method of an audio signal and a related device thereof, which is applied to an audio input system including at least two SPDIF input channels, and comprises the following steps: receiving a first audio signal input through an SPDIF input channel to obtain a plurality of candidate audio signals; inputting the candidate audio signals into a first switching unit of the corresponding SPDIF input channel respectively, and determining at least one second audio signal from the candidate audio signals through the first switching unit; determining a target input channel from the SPDIF input channels based on a preset switching control strategy and a signal state parameter of the SPDIF input channel; and outputting a target audio signal corresponding to the target input channel to a target receiver. The scheme provided by the application can avoid the influence of large channel crosstalk in the multi-channel SPDIF channel switching mode, and improves the stability of the audio signal.

The utility model is suitable for the technical field of network testers, and provides a network tester, comprising a housing; the circuit board is arranged on the inner wall of the shell; the RJ45 interface is arranged on the circuit board, extends to the outside of the shell and is used for connecting a network cable; the side plate is fixedly mounted on one side of the shell; and the protection mechanism is arranged on the side plate and is used for protecting the RJ45 interface. The network tester provided by the scheme not only can be used for network testing, but also has a protection function for the RJ45 interface, is relatively high in holding stability, is not easy to fall off, and has an auxiliary lighting function.

This invention provides a hybrid bonding structure and bonding method based on an interlocking structure. The hybrid bonding structure includes: a first chip to be bonded, having a silicon oxide layer and a first connector protruding from the silicon oxide layer; and a second chip to be bonded, having a polyimide layer, a recess within the polyimide layer, and a second connector at the bottom of the recess. The surface of the second connector is provided with a first adhesive layer. The materials of the first and second connectors include copper and / or aluminum. The first and second chips to be bonded are configured such that: before bonding, the height difference of the first connector protruding from the oxide layer is greater than the height difference between the top surface of the first adhesive layer and the top surface of the silicon oxide layer; after bonding, the silicon oxide layer and the polyimide layer are connected, and the first connector extends into the recess and is connected to the second connector using the first adhesive layer, thus forming an interlocking structure. This invention is used to optimize the performance of the hybrid bonding process and bonding structure.

This application relates to a method, system, and device for a wireless weighing network. The method includes: intermittently transmitting a weighing signal, wherein the weighing signal is acquired by a weighing sensor; determining whether a response information from a target slave module is received; if a response information from the target slave module is received, activating a processing signal receiving mode to receive a processing signal sent by the target slave module; receiving the processing signal, matching the processing signal to a target address using a full address matching rule, and intermittently transmitting the processing signal matching the target address, wherein the slave module is used to respond to the processing signal and the weighing signal respectively according to the target address to issue response information. This application has the effect of preventing system malfunction when multiple devices simultaneously require wireless network data transmission.

The invention provides a display panel and a display device.The display panel comprises a flexible substrate, an antenna unit, a radio frequency chip and a signal line, the flexible substrate comprises a first area, a second area and a binding area, the second area is arranged on at least one side of the first area in the first direction, and the binding area is arranged on one side of the first area in the second direction; the first area is connected to the second area through a first bending area, the first bending area is used for bending the second area to one side of the first area in the thickness direction, and the first direction, the second direction and the thickness direction intersect in pairs; the plurality of antenna units are arranged in the first area; the radio frequency chip and the antenna unit are located on the same side of the flexible substrate, and the radio frequency chip is arranged in the second area; the signal line is connected to the radio frequency chip and is electrically connected with the antenna unit. The binding area and the second area are arranged on the different sides of the first area, signal interference generated between the binding area and the second area is reduced, and the use performance of the display panel is improved.

The utility model relates to the technical field of electric connection, in particular to a camera connector, which comprises a shell, a power connection assembly and a fixing piece, the shell comprises a base, a plug-in part, a mounting part, a first plug part and a second plug part, the plug-in part and the mounting part are arranged on two opposite sides of the base, the plug-in part is provided with a plug-in groove, the mounting part is provided with a mounting groove, and the first plug part and the second plug part are connected through the plug-in groove. The first plug part is arranged on the plug-in groove, the second plug part is arranged on the mounting groove, the base is provided with a fixing cavity, the first plug part and the second plug part are arranged on the two opposite sides of the fixing cavity, the power connection assembly is arranged in the fixing cavity, and the fixing part is used for fixing the power connection assembly in the fixing cavity. The vehicle-mounted camera connector ensures that the vehicle-mounted camera normally works under various working conditions, reduces the fault occurrence rate, has important significance in improving the stability and durability of the whole vehicle-mounted camera system, and powerfully meets the strict requirement of the vehicle-mounted environment on the high reliability of the camera connector.