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60results about How to "Play a detection role" patented technology

Method for dynamic acquisition and transmission of wireless data

The invention discloses a method for dynamic acquisition and transmission of wireless data. In a data acquisition process of the method, the time interval for data acquisition is dynamically adjusted, according to the change threshold of data acquisition. In a data storing process, the time interval and opportunity for data storing is dynamically adjusted according to the change threshold of data acquisition. In a data sending process, the opportunity for data sending is dynamically adjusted according to the acquisition value alarming threshold and changing rate alarming threshold of data acquisition. Dynamically increasing or reducing data sampling frequency without increasing power consumption of wireless equipment is realized based on data abnormity degree. Alarm information is timely sent by determination of dynamic data acquisition abnormity, so that managers can maintain equipment as early as possible. Wireless data bulk sent is reduced, and the power consumption of wireless monitoring equipment is reduced. The process state information of entire detected equipment can be monitored without increasing the total transmission data bulk.
Owner:北京必创科技股份有限公司

Automatic welding mold for automobile steering system parts

The invention belongs to the technical field of automobile steering system tools, and particularly relates to an automatic welding mold for automobile steering system parts. The automatic welding mold comprises a work table and is characterized in that the front face of the work table is rectangular, sliding frames are arranged on the work table and close to the two long edges of the work table respectively, and L-shaped grooves are formed in the bottoms of the inner sides of the sliding frames; a double-stroke locating cylinder is arranged on the work table and close to one short edge of the work table, the double-stroke locating cylinder is connected with a welding workpiece seat through an output shaft, the welding workpiece seat comprises a sliding bottom plate and a workpiece frame, a workpiece groove is formed in the workpiece frame, the two ends of the sliding bottom plate extend out of the workpiece frame to form L-shaped structures matched with the L-shaped grooves of the sliding frames, and the welding workpiece seat is arranged between the two sliding frames in a sliding mode through the L-shaped structures. The automatic welding mold can play a role of detecting workpiece clamping holes.
Owner:HUZHOU IRON FORCE METAL PROD

Air conditioner and refrigerant leakage detection method and device of air conditioner

ActiveCN110173814AAvoid the risk of not being able to effectively detect whether the refrigerant is leakingThere are few types of useMechanical apparatusSpace heating and ventilation safety systemsEngineering
The invention discloses an air conditioner and a refrigerant leakage detection method and device of the air conditioner. The method comprises the following steps that a first concentration of gas in air is obtained; and according to the first concentration of the gas, the refrigerant leakage of the air conditioner is identified. According to the refrigerant leakage detection method of the air conditioner, the use type of a sensor is reduced, and the detection cost is reduced; and meanwhile, the risk that refrigerant leakage cannot be effectively detected due to the fact that the refrigerant sensor is used by mistake is avoided, and simpleness and easy realization are achieved.
Owner:GD MIDEA AIR-CONDITIONING EQUIP CO LTD +2

Gas-type tensile testing machine used for rod-shaped metal

The invention discloses a gas-type tensile testing machine used for rod-shaped metal. The tensile testing machine comprises a main control housing; the bottom of the main control housing is provided with a support plate structure; the main control housing and the support plate structure are combined to form an integral structure; the bottom of the support plate structure is fixedly provided with a fixing plate; the internal part of the main control housing is provided with a moving space; a spacing hole structure is arranged on the main control housing on one side of the moving space; a sealing column is arranged on the main control housing on one side of the spacing hole structure; the center of one end surface of the sealing column is provided with a main sealing rubber pad. The gas-type tensile testing machine is taken as a technical measuring equipment of known metal mechanical properties; detection effect is achieved via preset of air pressure; when the air pressure is larger than a preset air pressure, further compression is avoided, so that accurate detection is realized using simple equipment at low cost; the gas-type tensile testing machine is relatively low in cost, long in service life, and relatively high in practicality.
Owner:安徽华科实业有限公司

Enclosed horizontal battery structure

The invention relates to an enclosed horizontal battery structure, and belongs to the technical field of a method or an apparatus for directly converting chemical energy into electric energy. The structure comprises a pressure frame and a sealing frame; polar plates are piled up in the pressure frame, and a separator plate is piled up between every two polar plates, the bottom wall of the pressureframe is provided with a spring plate, the polar plates are arranged on the spring plate, the top wall of the pressure frame is opened with a spring leaf, and the polar plate, the spring leaf and thespring plate are pressed against; the upper end of the spring leaf is fixedly connected with a marking pen, a nib of the marking pen is slidably connected to an inner wall of the sealing frame, the bottom of the sealing frame is fixedly connected to an air bag, the air bag is opened with an air inlet and an air outlet, and the air inlet and the air outlet are provided with non return valves; thebottom of the sealing frame is slidably connected with two pressure plates, the pressure plates are symmetrically arranged along a central axis of the spring plate, and a spring is connected between the pressure frame and the sealing frame. The horizontal battery can effectively prolong service life of the battery and improve utilization rate of the horizontal battery.
Owner:GUANGZHOU ZHUOYUE POWER NEW ENERGY CO LTD

Pneumatic gear shifting control device and gear shifting control method of automated mechanical transmission

The invention discloses a pneumatic gear shifting control device and gear shifting control method of an automated mechanical transmission. The pneumatic gear shifting control device comprises a gear shifting cylinder shell, and a gear shifting shaft is mounted in the gear shifting cylinder shell; a rotating gear shifting mechanism used for gear shifting is arranged at one end of the gear shifting shaft; a pneumatic gear selecting mechanism used for gear selecting is arranged at the other end of the gear shifting shaft; and a gear shifting head is mounted on the gear shifting shaft. According to the pneumatic gear shifting control device, the gear shifting shaft is directly controlled to achieve corresponding gear shifting action based on a rotating cylinder, the problem about accurately controlling gear shifting force, gear shifting and neutral gear return positions is solved, the size is small, and the structure is simple.
Owner:HUBEI UNIV OF AUTOMOTIVE TECH

Protection device for internally installing magnetostrictive displacement sensor

The invention discloses a protection device for internally installing a magnetostrictive displacement sensor. The protection device comprises a base and a cylinder body, a supporting plate is arrangedover the base, an installation groove is formed in the bottom end of the supporting plate, an adjusting mechanism is arranged between the installation groove and the base, a protection shell is arranged above the supporting plate, the four corners at the bottom end of the protection shell are fixedly connected with the upper end of the supporting plate through supporting legs, the cylinder body is located in the protection shell, a protection mechanism is arranged between the cylinder body and the inner wall of the protection shell, the cylinder body is located in the protection mechanism, atriggering mechanism is arranged at the output end of the cylinder body, and a wiring hole is formed in the side, close to the tail of the cylinder body, of the protection shell. The protection devicehas the advantages that the cylinder body and the sensor are both located in the protection shell and cannot be directly exposed outside, and the cylinder body is not in direction contact with external objects either, so that the phenomenon that the cylinder body and the sensor are directly impacted externally and consequently damaged can be well avoided, and thus the service life and the use performance of the cylinder body and the sensor are ensured.
Owner:谷雨

Detection medium and preparation method thereof and diamond detector

The invention relates to a detection medium and a preparation method thereof and a diamond detector. The preparation method comprises the following steps: providing a monocrystalline diamond matrix; carrying out laser direct writing on the surface of the diamond matrix, so that the diamond is converted into a graphite layer in situ, wherein the surface of the graphite layer is lower than the surface of the diamond matrix to form a groove extending from the surface of the diamond matrix to the graphite layer, the width of the groove ranging from 1 micrometer to 60 micrometers, the depth of thegroove ranging from 20 micrometers to 100 micrometers, and the length of the groove being not smaller than 1 / 4 of the shortest size of the surface of the diamond matrix; and epitaxially growing a single crystal diamond layer on the diamond matrix, and enabling the single crystal diamond layer to at least cover the graphite layer to obtain the detection medium. In the detection medium obtained by the invention, the monocrystalline diamond layer plays a detection role, so that the effective area of the diamond for detection response is increased; and when the detection medium is applied to the diamond detector, the sensitivity of the diamond detector to external responsive signals can be improved.
Owner:NINGBO INST OF MATERIALS TECH & ENG CHINESE ACADEMY OF SCI

Welding inspection ruler inspection device

The invention discloses a welding inspection ruler inspection device. The device comprises a box body and a detection platform arranged in the box body, and an angle parameter detection device, a height gauge indication error measurement device, a depth parameter detection device, a width gauge indication error measurement device, a gap gauge indication error measurement device, a surface roughness difference measurement device and an up-down distance measurement device are detachably and intensively arranged on the detection platform. According to the invention, a large number of standard appliances are integrated on the detection platform, so that the calibration preparation time is greatly reduced, the working efficiency is improved, the whole device is convenient to take, place and carry, the positions of the standard appliances are relatively fixed, errors caused by human factors are reduced, the detection time is shortened, and the detection precision is improved.
Owner:河北省计量监督检测研究院廊坊分院

Isolation sealing device of viscous fluid conveyor

The invention discloses an isolation sealing device of a viscous fluid conveyor, and aims to provide the viscous fluid conveyor with a good isolation sealing performance. The invention provides the technical scheme point that the isolation sealing device of the viscous fluid conveyor comprises a sealing assembly and a bearing box arranged at one end of the sealing assembly, wherein a left shaft neck and a right shaft neck symmetrical to each other are arranged at one end, close to the sealing assembly, of the bearing box; a left sealing component provided with a left shaft neck sealing surfaceand a right sealing component provided with a right shaft neck sealing surface are symmetrically arranged on the sealing assembly; the left shaft neck passes through the left shaft neck sealing surface; the right shaft neck passes through the right shaft neck sealing surface; the sealing assembly and the bearing box form an isolation chamber during installation; one end, far away from the bearingbox, of a sealing seat is a conveying chamber; and a pressure difference is formed between the conveying chamber and the isolation chamber. According to the isolation sealing device of the viscous fluid conveyor provided by the invention, the isolation chamber is arranged between the conveying chamber and the bearing box, and a pressure difference is formed between the isolation chamber and eachspace of the device, so that liquid in each component can be only unidirectionally leaked into the isolation chamber, and an isolation sealing performance is improved.
Owner:WUXI VOCATIONAL & TECHN COLLEGE

Wire and cable clamping and testing device

The invention discloses a wire and cable clamping and testing device. The wire and cable clamping and testing device comprises a machine body, wherein a supporting plate is arranged at the bottom partof the machine body; a bottom plate is fixedly arranged at the bottom part of the supporting plate; a cavity is formed in the machine body; a limiting hole is formed in the left side of the cavity; asealing column is arranged at the left side of the limiting hole; a sealing gasket is arranged on the right side surface of the sealing column; a sliding plate is arranged in the cavity; a first sealing ring is arranged on the side surface of the sliding plate; a cross rod is fixedly arranged on the right side surface of the sliding plate; the cross rod penetrates through the limiting hole, the sealing gasket, the sealing column and the machine body. The cable clamping and testing device is simple in structure and low in cost, is capable of conveniently testing the strength of leather, and islong in service life and high in practicability.
Owner:广州一德智能科技有限公司

Rod metal stretching machine

The invention discloses a rod metal stretching machine which comprises a main control shell body, wherein a supporting plate structure is arranged at the bottom of the main control shell body and is in integral structure with the main control shell body, a fixed plate is fixed to the bottom of the supporting plate structure, a movement space is arranged in the main control shell body, a limiting hole structure is arranged on the main control shell body and on one side of the movement space, a sealing column is arranged on the main control shell body and on one side of the limiting hole structure, and a main sealing pad is arranged in the center of one end face of the sealing column. The rod metal stretching machine disclosed by the invention can be used as technical detection equipment ofknown metal mechanical properties; by means of presetting air pressure, a detection effect is achieved; when air pressure is larger than the preset air pressure, a further compression effect is avoided; thus, an accurate detection effect can be achieved under the premise that equipment is simple and cost is low; furthermore, the rod metal stretching machine has the advantages of lower use cost, higher long service life and stronger high practicability.
Owner:广州一恒科技有限公司

Machining equipment based on tool automatic replacement

The invention relates to the technical field of automation equipment, in particular to machining equipment based on tool automatic replacement. The machining equipment comprises a rack, a workbench mounted on the surface of the rack, a robot mounted on the workbench, and a tool holder mounted on the workbench and located on one side of the robot; one or more sets of machining tools are stored on the tool holder; the driving end of the robot is connected with a connecting part which is provided with a vacuum chuck, and the machining tools are provided with assembling chucks to be connected withthe vacuum chuck; and a machining platform used for machining stored parts is mounted on the workbench, and the machining platform is located on one side of the robot. The robot can replace the toolsat will to conduct machining in the part machining process, thus the machining efficiency of the parts is greatly improved, manpower for tool replacement is saved, and the production efficiency is improved.
Owner:广东钮铂尔科技有限公司

Wire and cable test device

The invention discloses a wire and cable test device. The wire and cable test device comprises a machine body, wherein a support plate is arranged at the bottom of the machine body, a bottom plate isarranged at the bottom of the support plate, a cavity is formed inside the machine body, a movement limiting hole is formed in the left side of the cavity, a sealing column is arranged on the left side of the movement limiting hole, a sealing pad is arranged on the right side face of the sealing column, a sliding plate is arranged inside the cavity, a first sealed ring is arranged on the side faceof the sliding plate, a cross bar is fixedly installed on the right side face of the sliding plate, and the cross bar passes through the movement limiting hole, the sealing pad, the sealing column and the machine body. The wire and cable test device has the advantages of simple structure, low cost, capability of conveniently measuring strength of leather, long service life and high practicality.
Owner:广州一德智能科技有限公司

Automatic monitoring apparatus for preventing side running of belt conveyer

An automatic monitoring device for preventing deviation of belt conveyor relates to a device for protecting the belt of a continuously operating belt conveyor. In the automatic monitoring device, a block roll bracket is arranged on the truss of the belt conveyor, a block roll is arranged on the block roll bracket, the truss is provided with a slipping switch with a probe, a detecting block of theslipping switch is arranged on the block roll and is aligned with the probe of the slipping switch, and the slipping switch is provided with a wire which is connected with a signal lamp. The automatic monitoring device requires no operator to monitor the belt at site, but automatically monitors the belt deviation of the belt conveyor, thus preventing the belt in operation from being hung up and automatically correcting the belt.
Owner:中国水利水电第七工程局有限公司

A measuring device for the inner hole of a bearing sleeve

The invention provides a bearing sleeve inner hole measuring device and belongs to the technical field of bearings. The bearing sleeve inner hole measuring device solves the technical problem that in the prior art, produced bearings cannot be detected, so that bearing quality and the pass rate cannot be guaranteed, and production cost is increased. The technical scheme is that the bearing sleeve inner hole measuring device comprises a base. A fixed base, a movable base and a control mechanism are sequentially installed on the base, a clamping mechanism is arranged on one side of the fixed base next to the movable base, a detection rod is axially installed on the clamping mechanism, the movable base is provided with a detection support and a support, the detection support is provided with a detection hole, the detection hole and the detection rod are coaxial, the pore diameter of the detection hole is larger than the external diameter of the detection rod, the control mechanism is connected with the movable base and controls the movable base to move on the base, and the detection rod can move along with the movable base to penetrate through the detection hole. A bearing sleeve is detected, product quality and the pass rate are improved, the service life of the bearing sleeve is prolonged, and production cost is greatly reduced.
Owner:宁波恒力汽配轴承有限公司

Brake air pipe pressure detection device

A brake air pipe pressure detection device disclosed by the present invention comprises a barometer, a fixing frame is fixedly arranged at the lower end of the barometer, a connecting pipe is fixedly arranged in the middle of the lower end of the barometer, a tensioning mechanism is arranged in the fixed frame, and the tensioning mechanism comprises a telescopic rod, a tensioning wheel, a connecting rod and a guide wheel; a plurality of telescopic rods are evenly and fixedly arranged on the side wall of the inner side of the fixing frame, tensioning wheels are movably arranged at the ends, away from the side wall of the inner side of the fixing frame, of the telescopic rods through rotating shafts, the outer portions of the tensioning wheels are attached to the outer side surfaces of the connecting pipes, and connecting rods are fixedly arranged on the two sides of the lower ends of the telescopic rods in the fixing frame. The brake air pipe pressure detection device is good in use effect, a high-speed train inspector can conveniently detect the pressure of a high-speed train brake air pipe, and meanwhile the connecting pipe for detection can be conveniently stretched when used and can be conveniently stored when not used.
Owner:无锡市远恒机械制造有限公司

Novel leather spinning device

The invention discloses a novel leather spinning device which comprises a main body, wherein a vertical plate is arranged at the bottom of the main body; a seat body is fixed at the bottom of the vertical plate; a chamber is arranged in the main body; an anti-skid hole is formed on the left side of the chamber; a tight sealing column is arranged on the left side of the anti-skid hole; a tight sealing pad is arranged on the right side surface of the tight sealing column; a sliding plate is arranged in the chamber; a first tight sealing ring is arranged on the side surface of the sliding plate;a push-pull rod is fixed on the right side surface of the sliding plate; the push-pull rod penetrates through the anti-skid hole, the tight sealing pad, the tight sealing column and the main body. Thedevice disclosed by the invention has the advantages of simple structure, low cost, long service life and strong practicability and can conveniently test the leather strength.
Owner:何振辉

A PLC safety real-time monitoring method and system

The invention provides a PLC safety real-time monitoring method and system. The technical scheme of the present invention analyzes the various inputs and outputs of the PLC, and sets the safety detection rules according to the value ranges and associated logical relations of the various inputs and outputs, and stores them in the real-time monitoring module; when the PLC is running, Use the real-time monitoring module to monitor the various inputs and outputs of the PLC according to the safety detection rules, and report to the police in time when abnormalities occur, so as to ensure the safe operation of the PLC system. The technical scheme of the present invention can prevent PLC safety problems caused by abnormal changes in pin configurations, and can also detect abnormalities in the process of executing programs in PLCs. Compared with existing safe PLCs, the safety protection of PLCs can be further strengthened, so that the PLC system has Greater security.
Owner:ZHENGZHOU XINDA JIEAN INFORMATION TECH

Multi-specification circuit breaker coil element test jig

The invention relates to the technical field of test and especially relates to a multi-specification circuit breaker coil element test jig. The multi-specification circuit breaker coil element test jig comprises a base, a cover plate and corresponding locating shafts arranged in the base. The base is provided with a lower locating hole, a convex bench and a corresponding lower detection hole. Thecover plate is provided with an upper locating hole, an upper detection hole and a groove corresponding to the convex bench. The diameters of the locating shafts are set to detect internal diameters of corresponding coils; and the convex bench and the groove are same in height, and are cooperated to detect length of the corresponding coils. Each locating shaft finishes inner diameter measurement of each specification of coil and positioning in the vertical direction, so that each locating shaft serves as measuring basis for each detected coil, and the locating shafts also play roles of positioning support, guiding and balance in the overall structure.
Owner:ZHEJIANG YONGJI ELECTRIC CO LTD

Valve core displacement-variable control device for construction machinery

The invention provides a valve core displacement-variable control device for construction machinery. The device comprises a lower protective frame, a heat dissipation plate, a liquid inlet end, a display screen, a conveying pipe, a second pressure detector, an adjusting switch, a transmission part, an adjusting gear, a mounting base, a controller, a valve body, an upper shell cover, a hand wheel,a driven metering wheel and a metering panel; the upper surface of the lower protective frame is connected to the lower surface of an upper protective frame in a welded mode; the heat dissipation plate is connected to the front sides of the lower protective frame and the upper protective frame in a sliding mode; the liquid inlet end penetrates through a left side plate of the lower protective frame to be fixedly connected to a flow monitor; the left side of the conveying pipe is fixedly connected to an outlet in the right side of the flow monitor; the input end of the second pressure detectoris fixedly connected to the right end of the conveying pipe, and the output end of the second pressure detector is fixedly connected to a liquid outlet end. a guide rod of the adjusting switch is fixedly connected to the surface of the heat dissipation plate; the detector can measure the hydraulic pressure and the flow of the valve body; and when the hydraulic pressure is unstable, a hydraulic loop is possibly influenced, and then the valve body can be controlled to be turned off.
Owner:武汉艾络特科技有限公司

Automatic separating and feeding device for steaming trays and control method of automatic separating and feeding device

The invention discloses an automatic separating and feeding device for steaming trays and a control method thereof.The automatic separating and feeding device comprises conveying platforms, transferring tools, a tool plate and a separating and grabbing tool, the conveying platforms comprise the first conveying platform and the second conveying platform, and the transferring tools comprise the first transferring tool and the second transferring tool; the first conveying platform, the first transferring tool, the second conveying platform and the second transferring tool are sequentially connected end to end to form a closed loop, tool plates are sequentially conveyed on the first conveying platform, the first transferring tool, the second conveying platform and the second transferring tool, and the separating and grabbing tool is arranged beside the second conveying platform and corresponds to the tool plates on the second conveying platform. The separating and grabbing tool is matched with the first conveying platform, the first transferring tool, the second conveying platform and the second transferring tool, automatic conveying and automatic material distribution are achieved, and therefore manpower is saved, and the feeding time is saved.
Owner:ZHEJIANG YITIAN INTELLIGENT KITCHEN ELECTRICITY CO LTD

Rubber material device

The invention discloses a rubber material device. The rubber material device comprises a machine body, wherein a support plate is arranged at the bottom part of the machine body; a base is fixedly arranged at the bottom part of the support plate; the interior of the machine body is provided with a cavity; a limiting hole is formed in the left side of the cavity; a sealing column is arranged at theleft side of the limiting hole; a sealing gasket is arranged at the right side surface of the sealing column; a slide conveying plate is arranged in the cavity; a first sealing ring is arranged at the side surface of the slide conveying plate; a transverse shaft is fixedly arranged at the right side surface of the slide conveying plate, and penetrates through the limiting hole, the sealing gasket, the sealing column and the machine body. The rubber material device has the advantages that the structure is simple, the cost is low, the strength of leather can be conveniently detected, the service life is long, and the practicality is strong.
Owner:韦华新

Gas type tensile testing machine for rod metal

The invention discloses a gas type tensile testing machine for rod metal. The gas type tensile testing machine comprises a main control shell body, wherein a supporting plate structure of an integrated structure with the main control shell body is arranged at the bottom of the main control shell body, a fixed plate is fixed to the bottom of the supporting plate structure, a movement space is arranged in the main control shell body, a limiting hole structure is arranged on the main control shell body and on one side of the movement space, a sealing column is arranged on the main control shell body and on one side of the limiting hole structure, and a main sealing pad is arranged in the center of one end face of the sealing column. The gas type tensile testing machine disclosed by the invention can be used as technical detection equipment of known metal mechanical properties; by means of presetting air pressure, a detection effect is achieved; when air pressure is larger than preset airpressure, a further compression effect is avoided; thus, an accurate detection effect can be achieved under the premise that equipment is simple and cost is low; furthermore, the gas type tensile testing machine has the advantages of lower use cost, higher long service life and stronger high practicability.
Owner:广州一恒科技有限公司

A high-voltage switch and a water purifier using the high-voltage switch

The invention relates to the field of water purifiers, and discloses a high-pressure switch and a water purifier using the high-pressure switch. The high-pressure switch comprises a water pipe connector (1), and further comprises a fixing part (26) and a sensor, wherein a water flow channel (11) is arranged in the water pipe connector (1); the sensor is used for detecting water pressure in the water flow channel (11) and outputting a water pressure signal, is arranged in the water pipe connector (1), is fixed by the fixing part (26), and comprises a sensor diaphragm (21) and a conversion circuit board (22); one side of the sensor diaphragm (21) communicates with the water flow channel (11); a sensor circuit (23) connected with the conversion circuit board (22) is printed on the other side of the sensor diaphragm (21); and a signal output line (24) is arranged on the conversion circuit board (22). As the pressure sensor is arranged in the high-pressure switch disclosed by the invention, any pressure value within a pressure range can be detected by the pressure sensor; not only can components in a water path be controlled, but also the detecting function can be achieved; and the high-pressure switch further has the advantages of being small in size, easy to mount, and the like.
Owner:ZHEJIANG QINYUAN WATER TREATMENT S T

FPC and PCB bonding electrical performance detection method

The invention discloses an FPC and PCB bonding electrical performance detection method, and the method comprises the following steps that an engineering drawing of FPC bonding PINs is established, and first golden fingers corresponding to the number of PINs are designed according to the specification of glass; a plurality of impedance test bonding PIN loops with a non-display function are arranged in the first golden fingers, and every two adjacent first golden fingers are electrically connected through the corresponding PIN loops; a PCB bonding PIN engineering drawing is established, the second golden fingers of the PCB bonding PIN correspond to the first golden fingers of the FPC bonding PIN in a one-to-one mode, and the two ends, corresponding to each impedance test bonding PIN loop, in the second golden fingers are each provided with a test bonding pad; the designed and produced FPC and PCB are bound; voltage is applied to the test bonding pad at one end of each impedance test bonding PIN loop by using a probe jig, and loop current I of the test bonding pad at the other end is tested; the resistance value of the single bonding PIN is calculated by R = V / I / 2 ; and whether the single bonding PIN is qualified or not is judged according to a calculation result.
Owner:SHENZHEN TXD TECH CO LTD
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