33results about How to "Short trace" patented technology

The invention relates to a receiving module that can be used for laser radar, comprising: a PCB substrate, the PCB substrate has a first side and a second side; a photoelectric sensor array, including a plurality of photoelectric sensors, and the photoelectric sensor array is arranged on the the first side of the PCB substrate; and a readout chip, the readout chip is arranged on the second side of the PCB substrate, and is coupled to the photoelectric sensor array, configured to receive and read the photoelectric sensor output of the photosensors in the array.

The invention discloses a method and a device for controlling two cameras in a master / slave mode in a wireless terminal, which are used for solving the technical problem in the prior art of mutual interference because a data bus is shared by the sensors of the two cameras. In the invention, the sensors of the two cameras are connected in the master / slave mode by a bridging method, and data signals thereof are separated through a multiplex switch; and different channels are opened according to the requirement of a processor; therefore, when one camera is used by a user, the electrical connection can be prevented from being formed between the data signal of the other camera and the main processor so as to avoid the mutual interference and reduce the occupation of the resource of the main processor.

The invention relates to a receiving module that can be used for a laser radar. The receiving module comprises a PCB substrate which is provided with a first side and a second side; a photoelectric sensor array including a plurality of photoelectric sensors and arranged on the first side of the PCB substrate; and a readout chip disposed on the second side of the PCB substrate, coupled to the photoelectric sensor array, and configured to receive and read output of the photoelectric sensors in the photoelectric sensor array.

The invention relates to material loading equipment for a thermal treatment furnace. The equipment comprises a frame, a rail component which is arranged on the frame, a hopper which can vertically ascend and descend along the rail component, a transmission mechanism, a travel control device which is in transmission connection with the transmission mechanism and a motor, wherein the transmission mechanism comprises a pair of first chain wheels which is coaxially arranged and is in transmission connection with the motor; each first chain wheel is wound with a chain; each chain is provided with two end parts; and one end part is connected with the hopper, and the other end part is suspended downwards. In the equipment, only one pair of chain wheels and one transmission shaft are required; one end of each chain is connected with the hopper, and the other end of the chain moves around the chain wheel on the upper side and then is freely suspended, so that cost can be reduced, and the structure can be simplified; the tensity of the chains are not required to be adjusted; and a stepping motor is used for driving the transmission shaft to rotate and concentrating the travel control deviceon the upper side of the material loading equipment, the material loading hopper can be precisely controlled to stop at a certain height through the triggering of a plurality of cams, electric wires have short routing paths, and the equipment is easy to maintain and repair.

The invention discloses a highly-integrated electrical control board and an electrical appliance. The control board includes a first substrate and a second substrate, wherein the first substrate and the second substrate are disposed opposite to each other; a strong current element which is disposed on a side surface, close to the second substrate, of the first substrate and comprises a highly-integrated intelligent power module which integrates a compressor intelligent power module and a fan intelligent power module; a weak current element which is disposed one a side surface, closes to the first substrate, of the second substrate and includes a micro-control unit. The strong current element is electrically connected with the weak current element, and a packaging material is disposed between the first substrate and the second substrate. The electrical control board has higher long-term use reliability, longer service life, and lower manufacturing cost.

The invention discloses a grid driving circuit. In a display stage, in response to a low potential of a second voltage end, first and second control modules disconnect a third voltage end from a first output end; in a touch control stage, in response to a high potential of the second voltage end, the first and second control modules connect the third voltage end with the first output end; and thus, each scanning unit is provided with the first and second control modules, in the touch control stage, the first control module keeps the first output end in the low potential and the second control module keeps a second output end in the low potential, so that a capacitive coupling effect between grid lines and touch control electrodes in a touch control display panel used by the grid driving circuit is weakened, the precision of touch control detection is improved, added lines are short and narrow, an occupied frame is small in the area, and a narrow frame can be realized.

The application discloses a laser radar. The laser radar in the present application comprises a main shaft, a radar rotor, a base, a first mainboard, a second mainboard, an angle measuring assembly, apower supply assembly and a communication assembly. The first mainboard is fixedly arranged relative to the radar rotor and is arranged around a main shaft, and the second mainboard is fixedly arranged relative to the base and is closer to the base than the first mainboard; the angle measuring assembly, the power supply assembly and the communication assembly are disposed between the first mainboard and the second mainboard, and at least a portion of the angle measuring assembly, at least a portion of the power supply assembly, and at least a portion of the communication assembly are disposedaround the main shaft; a first measuring module, a first power supply module and a first communication module are fixedly arranged relative to the radar rotor, and a second measuring module, a secondpower supply module and a second communication module are fixedly arranged relative to the radar stator. The laser radar can shorten the traces of each module, facilitate installation and maintenance, and improve the mechanical reliability of the laser radar.

According to the embodiment, the invention discloses a gate drive circuit. In the gate drive circuit, first control modules respond to signals of first signal en and second signal ends, and in a touch control stage, third voltage ends and first output ends are conducted by virtue of the first control modules; second control modules respond to the signals of the first signal ends and the second signal ends, and in the touch control stage, the third voltage ends and the second output ends are conducted by virtue of the second control modules; therefore, by arranging the first and the second control modules in various canning units, in the touch control stage, the first output ends are controlled at a low potential by virtue of the first control modules, and meanwhile, the second output ends are controlled at a low potential by virtue of the second control modules, so that a capacity coupling action between various gate lines and a touch control electrode in a touch control display panel applied to the gate drive circuit is weakened, and touch control detection precision is enhanced; and an added cable is relatively short, relatively narrow and relatively small in occupied bezel area; therefore, the gate drive circuit is conducive to implementation of a narrow bezel.

The invention relates to doubling process step equipment in spinning machinery and particularly relates to a novel doubling groove drum and a manufacturing process thereof. The existing superplastic alloy groove drum has the defects that the superplastic alloy groove drum has poor gas bulging forming effect, and is less prone to gas bulging forming, a chromium coating on the surface of the groove drum is thin, has bubbles and is easy to peel off, the surface roughness is not smooth, the material impact toughness is poor, the superplastic alloy groove drum can not ensure that a groove curve and edge angles can not be formed according to stipulations, the routing in a doubling state is inconsistent and bent, a sliver has more pilling and hair feather, a spider web becomes wide and shows crescent type overlap / a small spider web occurs frequently, the groove drum can vibrate under high-speed operation conditions, and the routing is not fast. The invention provides the novel doubling groove drum and the manufacturing process thereof, and the structure can improve a traditional smelting process and overcome the defects of the existing superplastic alloy groove drum by optimizing the groove curve on a groove drum body, and adding a trace misch metal element component in the manufacturing process.

The invention discloses an LED display screen capable of rising and falling. The LED display screen comprises a control system, an LED screen body, an LED screen body lifting system and a power supply system. The LED screen body comprises a plurality of display units. Each display unit comprises a plurality of LED lamp strips. The LED screen body lifting system comprises a horizontal guide rail, a vertical guide rail, two lifting trolleys, trusses and an auxiliary device. The horizontal guide rail is used for dragging and guiding the lifting trolleys in the horizontal direction. The vertical guide rail is used for lifting all the trusses. The trusses move along the horizontal guide rail and the vertical guide rail. The two ends of the trusses are provided with the lifting trolleys respectively. The auxiliary device is used for fixing the LED lamp strips. At least two lamp strips are transversely arranged on each truss. The power supply system comprises an AC cable and an AC / DC conversion module. The display screen can rise and fall in a timed mode according to demands of a user, and video information can be displayed in real time without influencing the attractive appearance of a building.

The invention discloses an optical module and solves the problem of PCB wiring difficulty in the prior art. The optical module comprises a circuit board, a lens assembly and a fiber adapter corresponding to the lens assembly, wherein the driving chip of the lens assembly communicates with electric signal interfaces on a specific position area on the circuit board to reduce intersects of communicating channels between the electric signal interfaces on the specific position area and the driving chip. The electric signal interfaces on the specific position area are determined according to the types of the optical assemblies driven by the driving chip, and types and arrangement of each electric signal interface on the circuit board. A jumper wire device of the lens assembly communicates with the fiber adapter through an optical fiber ribbon. The sequence of the optical fiber ribbon accessing to the channels on the jumper wire device side is different from the sequence of the optical fiber ribbon accessing to the channels on the fiber adapter side. The optical module accesses the electric signal interfaces on the specific position area to the driving chip, which reduces or eliminates intersects of PCB wirings.

The embodiment of the invention discloses a packaging module and electronic equipment, a first surface and a second surface of a PCB (Printed Circuit Board) in the packaging module are respectively covered with a plastic packaging layer, a conductive pin is electrically connected with the PCB, the conductive pin is arranged in the plastic packaging layer in a penetrating manner along the stacking direction of the PCB and the plastic packaging layer, and a part of the conductive pin is exposed out of the outer surface of the plastic packaging layer. When the packaging module is electrically interacted with other elements, the PCB outputs or inputs electricity through the conductive pins. Therefore, there is no need to reserve a through hole in the packaging side edge of the packaging module, the packaging module can be arranged at a position closer to the chip, and the wiring between the packaging module and the chip is short. Furthermore, the size of the electronic equipment is reduced, and the power distribution loss of the electronic equipment is reduced.

The invention discloses a region division method and device for a photovoltaic power station, and the method comprises the steps: carrying out the region division of the photovoltaic power station based on the arrangement information of the photovoltaic power station, obtaining a plurality of preliminary divided regions, and based on the adjacent relation between the preliminary divided regions and a first preset region capacity, carrying out capacity matching on the plurality of preliminary division areas to obtain a plurality of first optimization areas, and processing the plurality of first optimization areas to obtain a plurality of second optimization areas based on the adjacent relation among the first optimization areas, the adjacent relation of the photovoltaic string and the adjacent relation of the block, and when the capacities of all the second optimization areas reach the second preset area capacity, determining the second optimization areas as target optimization areas. According to the method, the regions are divided based on the arrangement information of the photovoltaic power stations, so that the photovoltaic group strings in the regions are adjacent, the capacity of each region is controllable by carrying out capacity matching on the regions, in addition, the aggregation degree of each region is the highest while the adjacent group strings in the regions are ensured, and the region division efficiency can be improved.

The invention discloses a control system for a lifting LED display screen. The control system comprises multiple display units arranged on guide rails, receiving cards arranged on the display units, sending cards arranged on a control chamber of the LED display screen, and a video player. Each display unit comprises multiple LED light bars and a truss and further comprises distance sensors, a speed sensor and proximity switches. The sending cards are used for receiving video information sent by the video player and converting the video information into a mode recognized by the receiving cards. The receiving cards are used for sending the video information to the LED light bars so as to be displayed. The sending cards can control the LED display screen according to information of the speed sensors, the distance sensors and the proximity switches, the LED display screen can be kept in a non-working state in the ascending and descending processes, a lifting system and a display system cannot work at the same time, and flexibility and safety of the lifting LED display screen are improved.

The invention belongs to the technical field of IGBT driving, and provides an IGBT parallel driving adaptive circuit. In the circuit, one end of a resistor R1 is electrically connected with the collector electrode of a first IGBT, one end of a resistor R5 is electrically connected with the collector electrode of a second IGBT, and the other end of the resistor R1 is electrically connected with theother end of the resistor R5; one end of a resistor R2 is electrically connected with the gate electrode of the first IGBT, one end of a resistor R6 is electrically connected with the gate electrodeof the second IGBT, and the other end of the resistor R2 is electrically connected with the other end of the resistor R6; and one end of a resistor R3 is electrically connected with the emitter electrode of the first IGBT, one end of a resistor R7 is electrically connected with the gate electrode of the second IGBT, and the other end of the resistor R3 is electrically connected with the other endof the resistor R7. The currents can be balanced dynamically, the switching time of the IGBTs is balanced, and a gate electrode loop of a parallel unit is optimized, so that a lead wire of the gate electrode loop is shorter, the loop area is small, the impedance of a driving loop is low, and the anti-jamming capability is good.

The invention discloses a built-in type switch cabinet. The built-in type switch cabinet comprises a cabinet body and a circuit breaker. The cabinet body is provided with a front cabinet plate; the cabinet body is internally provided with a three-phase static contact unit; the static contact unit comprises an upper static contact and a lower static contact; the upper static contact is electrically connected with a main busbar; the lower static contact is electrically connected with a branch busbar; the circuit breaker is provided with a three-phase moving contact unit; the moving contact unit comprises an upper moving contact and a lower moving contact; the three-phase static contact unit is arranged in tandem; the three-phase moving contact unit is arranged in tandem; the circuit breaker can be pushed into the cabinet body from the front of the cabinet and can move to the left and right between a test position and a work position; each phase of moving contact unit and each phase of static contact unit of the circuit breaker at the work position are contacted and electrically connected; and the front cabinet plate is provided with an observation window. The advantages are as follows: user operation is carried out in front of the cabinet, contact states can be observed through the observation window during operation, good isolation or contact is ensured, safety hidden risks are avoided, the performance is improved, the cost is reduced, and the reliability and safety are improved.

The invention discloses a laser radar. The laser radar comprises a main shaft, a radar rotor, a base, a first main board, a second main board, an angle measurement assembly, a power supply assembly and a communication assembly. The first main board is fixedly arranged relative to the radar rotor and surrounds the main shaft, and the second main board is fixedly arranged relative to the base and iscloser to the base than the first main board; the angle measuring assembly, the power supply assembly and the communication assembly are located between the first main board and the second main board, and at least one part of the angle measuring assembly, at least one part of the power supply assembly and at least one part of the communication assembly are arranged around the main shaft; the first measurement module, the first power supply module and the first communication module are fixedly arranged relative to the radar rotor, and the second measurement module, the second power supply module and the second communication module are fixedly arranged relative to the radar stator. According to the invention, the wiring of each module can be shortened, the installation and maintenance are convenient, and the mechanical reliability of the laser radar is improved.

The invention relates to doubling process step equipment in spinning machinery and particularly relates to a novel doubling groove drum and a manufacturing process thereof. The existing superplastic alloy groove drum has the defects that the superplastic alloy groove drum has poor gas bulging forming effect, and is less prone to gas bulging forming, a chromium coating on the surface of the groove drum is thin, has bubbles and is easy to peel off, the surface roughness is not smooth, the material impact toughness is poor, the superplastic alloy groove drum can not ensure that a groove curve and edge angles can not be formed according to stipulations, the routing in a doubling state is inconsistent and bent, a sliver has more pilling and hair feather, a spider web becomes wide and shows crescent type overlap / a small spider web occurs frequently, the groove drum can vibrate under high-speed operation conditions, and the routing is not fast. The invention provides the novel doubling groove drum and the manufacturing process thereof, and the structure can improve a traditional smelting process and overcome the defects of the existing superplastic alloy groove drum by optimizing the groove curve on a groove drum body, and adding a trace misch metal element component in the manufacturing process.

The invention provides a semiconductor structure and a chip packaging method. The semiconductor structure comprises a substrate, a first chip and a second chip, wherein the first chip and the second chip are arranged on the substrate in parallel; wherein the first chip and the second chip are interconnected directly through a lead bonding process; moreover, for the pins, where high-speed signals need to pass, between the first chip and the second chip, the pins are configured to be oppositely arranged and are connected through parallel routing. According to the embodiment of the invention, through a lead bonding technology between chips, the circuit is shorter in routing, small in occupied space, better in performance of high-speed signals, free of too much change in cost, and even lower in cost. Compared with 2.5 D and 3D packaging, the cost of the embodiment is much lower, the requirement for manufacturing equipment is not high, and the method is very suitable for large-scale production.

The invention discloses an LED display screen capable of rising and falling. The LED display screen comprises a control system, an LED screen body, an LED screen body lifting system and a power supply system. The LED screen body comprises a plurality of display units. Each display unit comprises a plurality of LED lamp strips. The LED screen body lifting system comprises a horizontal guide rail, a vertical guide rail, two lifting trolleys, trusses and an auxiliary device. The horizontal guide rail is used for dragging and guiding the lifting trolleys in the horizontal direction. The vertical guide rail is used for lifting all the trusses. The trusses move along the horizontal guide rail and the vertical guide rail. The two ends of the trusses are provided with the lifting trolleys respectively. The auxiliary device is used for fixing the LED lamp strips. At least two lamp strips are transversely arranged on each truss. The power supply system comprises an AC cable and an AC / DC conversion module. The display screen can rise and fall in a timed mode according to demands of a user, and video information can be displayed in real time without influencing the attractive appearance of a building.

The invention provides a semiconductor packaging structure, which comprises a first interconnection structure layer, a first chip layer and a second chip layer, wherein the first chip layer is located on the surface of one side of the first interconnection structure layer, the first chip layer comprises a plurality of first chips, and the front surfaces of the first chips in the first chip layer face the first interconnection structure layer and are electrically connected with the first interconnection structure layer; the second chip layer is located on the surface of the side, back to the first chip layer, of the first interconnection structure layer, the second chip layer comprises a plurality of second chips, and the front surfaces of the second chips in the second chip layer face the first interconnection structure layer and are electrically connected with the first interconnection structure layer; and the front faces of the second chips in the first chip layer and the second chip layer face the first interconnection structure layer, and opposite welding is achieved through the first interconnection structure layer. The opposite surfaces of the chips needing to be butted are directly welded, line transmission loss can be effectively reduced, compared with solder ball welding, the thickness of the first interconnection structure layer between the chips is relatively thin, and the overall thickness of the packaging structure can be effectively reduced.

The invention discloses a control system for a lifting LED display screen. The control system comprises multiple display units arranged on guide rails, receiving cards arranged on the display units, sending cards arranged on a control chamber of the LED display screen, and a video player. Each display unit comprises multiple LED light bars and a truss and further comprises distance sensors, a speed sensor and proximity switches. The sending cards are used for receiving video information sent by the video player and converting the video information into a mode recognized by the receiving cards. The receiving cards are used for sending the video information to the LED light bars so as to be displayed. The sending cards can control the LED display screen according to information of the speed sensors, the distance sensors and the proximity switches, the LED display screen can be kept in a non-working state in the ascending and descending processes, a lifting system and a display system cannot work at the same time, and flexibility and safety of the lifting LED display screen are improved.

The invention discloses a built-in type switch cabinet. The built-in type switch cabinet comprises a cabinet body and a circuit breaker. The cabinet body is provided with a front cabinet plate; the cabinet body is internally provided with a three-phase static contact unit; the static contact unit comprises an upper static contact and a lower static contact; the upper static contact is electrically connected with a main busbar; the lower static contact is electrically connected with a branch busbar; the circuit breaker is provided with a three-phase moving contact unit; the moving contact unit comprises an upper moving contact and a lower moving contact; the three-phase static contact unit is arranged in tandem; the three-phase moving contact unit is arranged in tandem; the circuit breaker can be pushed into the cabinet body from the front of the cabinet and can move to the left and right between a test position and a work position; each phase of moving contact unit and each phase of static contact unit of the circuit breaker at the work position are contacted and electrically connected; and the front cabinet plate is provided with an observation window. The advantages are as follows: user operation is carried out in front of the cabinet, contact states can be observed through the observation window during operation, good isolation or contact is ensured, safety hidden risks are avoided, the performance is improved, the cost is reduced, and the reliability and safety are improved.

According to the embodiment, the invention discloses a gate drive circuit. In the gate drive circuit, first control modules respond to signals of first signal en and second signal ends, and in a touch control stage, third voltage ends and first output ends are conducted by virtue of the first control modules; second control modules respond to the signals of the first signal ends and the second signal ends, and in the touch control stage, the third voltage ends and the second output ends are conducted by virtue of the second control modules; therefore, by arranging the first and the second control modules in various canning units, in the touch control stage, the first output ends are controlled at a low potential by virtue of the first control modules, and meanwhile, the second output ends are controlled at a low potential by virtue of the second control modules, so that a capacity coupling action between various gate lines and a touch control electrode in a touch control display panel applied to the gate drive circuit is weakened, and touch control detection precision is enhanced; and an added cable is relatively short, relatively narrow and relatively small in occupied bezel area; therefore, the gate drive circuit is conducive to implementation of a narrow bezel.

The invention discloses a household appliance. The household appliance comprises a display portion and / or an operating portion, a function portion, a hood structure arranged on the outer side of the function portion and an electric control panel. The hood structure at least comprises a front hood and a rear hood. The electric control panel is arranged on the rear side of the rear hood. The displayportion and / or the operating portion are / is arranged on the front hood and electrically connected with the electric control panel. According to the household appliance provided by the invention, thefront hood space is fully utilized, user operation is facilitated, in addition, routing is simple, and the production efficiency is improved.

The invention discloses an optical module, which is used to solve the problem of difficult PCB routing in the prior art. The optical module of the present invention includes: a circuit board, a lens assembly, and an optical fiber adapter corresponding to the lens assembly; the drive chip of the lens assembly is communicated with the electrical signal interface of the designated position area on the circuit board, so as to reduce the number of electrical signal interfaces and drive points in the designated position area. The crossing of the communication channels of the chip; among them, the electrical signal interface of the designated position area is determined according to the type of optical components driven by the driver chip, the type and arrangement of each electrical signal interface on the circuit board; the jumper device of the lens component and the optical fiber adapter pass through The optical fiber ribbon is connected, wherein the sequence of channels on the side where the optical fiber ribbon is connected to the jumper device is different from the sequence of channels on the side where the optical fiber ribbon is connected to the optical fiber adapter. The above-mentioned optical module connects the electrical signal interface of the specified location area to the driver chip, so that the PCB traces have no crossover or less crossover.

The application discloses a laser radar. The laser radar in the present application comprises a main shaft, a radar rotor, a base, a first mainboard, a second mainboard, an angle measuring assembly, apower supply assembly and a communication assembly. The first mainboard is fixedly arranged relative to the radar rotor and is arranged around a main shaft, and the second mainboard is fixedly arranged relative to the base and is closer to the base than the first mainboard; the angle measuring assembly, the power supply assembly and the communication assembly are disposed between the first mainboard and the second mainboard, and at least a portion of the angle measuring assembly, at least a portion of the power supply assembly, and at least a portion of the communication assembly are disposedaround the main shaft; a first measuring module, a first power supply module and a first communication module are fixedly arranged relative to the radar rotor, and a second measuring module, a secondpower supply module and a second communication module are fixedly arranged relative to the radar stator. The laser radar can shorten the traces of each module, facilitate installation and maintenance, and improve the mechanical reliability of the laser radar.

The invention discloses a patch antenna structure with an adjustable directional diagram. The patch antenna structure comprises a metal floor. A feed patch is connected to the metal floor and is provided with a first feeder line, a feeding point connected to the first feeder line, a second feeder line, and a second feeding point connected to the second feeder line. The first feeder line and the second feeder line intersect at a node, wherein the length of the first feeder line between the node and the first feeding point is equal to that of the second feeder line between the node and the second feeding point. A switching component for changing the relative phase between the first feeding point and the second feeding point is disposed in the first feeder line and / or the second feeder line.The invention also discloses an antenna feeder board. The patch antenna structure with an adjustable directional diagram and the antenna feeder board of the invention can switch or scan two directional diagrams by using one antenna, are simplified in design, low in cost, and reasonable in structural design, effectively control the direction of the circuit, and have less influences on the radiationdirectional diagram.

The invention relates to material loading equipment for a thermal treatment furnace. The equipment comprises a frame, a rail component which is arranged on the frame, a hopper which can vertically ascend and descend along the rail component, a transmission mechanism, a travel control device which is in transmission connection with the transmission mechanism and a motor, wherein the transmission mechanism comprises a pair of first chain wheels which is coaxially arranged and is in transmission connection with the motor; each first chain wheel is wound with a chain; each chain is provided with two end parts; and one end part is connected with the hopper, and the other end part is suspended downwards. In the equipment, only one pair of chain wheels and one transmission shaft are required; one end of each chain is connected with the hopper, and the other end of the chain moves around the chain wheel on the upper side and then is freely suspended, so that cost can be reduced, and the structure can be simplified; the tensity of the chains are not required to be adjusted; and a stepping motor is used for driving the transmission shaft to rotate and concentrating the travel control deviceon the upper side of the material loading equipment, the material loading hopper can be precisely controlled to stop at a certain height through the triggering of a plurality of cams, electric wires have short routing paths, and the equipment is easy to maintain and repair.