296results about How to "Easy to carry and install" patented technology

A remote monitoring system that includes a portable measuring device that can be coupled to a portable wireless gateway. The portable measuring device obtains measurements including physiological data, movement data and ambient measurements and provides these measurements to the portable wireless gateway. The portable wireless gateway can interface with a networked personal computer through an USB connector. Once interfaced to the computer, the measurement data can be loaded into the computer and delivered to a central system through the networked personal computer. The system enables the monitoring of a user's medical information to allow diagnostics of the user.

The invention relates to an industrial robot kinematics calibration system. The industrial robot kinematics calibration system comprises a measuring device arranged at the tail end of a robot and further comprises a calibration device and a data processing device which are arranged in the robot work space. According to the device, cost is reduced, carrying and using are convenient, and the devicecan be applied to online rapid calibration of a robot on the work site. A measuring coordinate system is established on the measuring device, and the robot is calibrated; and through a method, calibration of robot body geometric parameter errors, and the conversion relation among a robot coordinate system, the measuring coordinate system and a calibration coordinate system can be achieved at the same time.

The invention discloses an embedded computer vision detection fatigue driving method. The method includes shooting a head picture of a driver, and carrying out face recognition and tracking; carryingout key point positioning, recording the feature points of eyes and mouth, and converting the feature points into a two-dimensional array, calculating the aspect ratio of the eyes and the mouth through a formula; according to the characteristics of different drivers' eyes, setting an aspect ratio threshold value of the eyes and the mouth, the frame aspect ratio threshold value of blinking generated by the condition that the continuous length-to-width ratio is smaller than the threshold value, and the frames of yawning generated by the condition that the continuous length-to-width ratio is greater than the threshold value; comparing the blinking times in a certain period with a normal standard value, and combining the yawning times, determining whether the driver is in the fatigue state, ifyes, starting a voice alarm device to carry out the voice prompt. The infrared night vision camera is adopted, and a picture can be shot clearly at night. The method is simple in step, high in operability, simple in device, convenient to install and carry and capable of realizing good fatigue driving detection.

The invention provides a test instrument for mechanical property of soil based on bainite instrument, i.e., a tester for a soil pressure bearing and shearing test. The tester comprises an angular displacement sensor shaft coupler, a U-shaped seat, a displacement sensor, a weight, a displacement sensor shell guide rail, a weight base, an upper sliding shaft, a pressing / twisting combined sensor, a lower sliding shaft, a shearing ring / pressing plate, an angular displacement sensor, a pair of twisting wrench gloves, a thrust ball bearing, a retainer ring, a supporting seat, a limiting bolt, a clamping lug, a shaft sleeve and a triangular support. A measuring method comprises the four steps; the pressure bearing and shearing properties of soil can be measured respectively by using the instrument; and main mechanical parameters of the soil can be obtained after an obtained pressure bearing property curve and a shearing property curve are treated. The tester is not only simple in structure and easy to operate, but also precise in measurement, easy to carry and mount and good in stability and reliability.

The invention discloses a resistance spot welding quality evaluation device. A welding parameter detection and welding point quality evaluation system with an STM 32 single chip microcomputer as a development platform is adopted, an embedded development technology is adopted, problems of signal isolation and the like are considered, the welding current, electrode pressure, voltage among electrodes and electrode displacement signals in the work process of a spot welding machine are collected, data are processed, then the characteristic quantity of a signal time domain is extracted, the data are input to an expert system, and on-line evaluation is conducted on the welding point quality through inference of the expert system.

The invention discloses an experimental device for roughness and an erosion quantity of a slope surface and a using method of the experimental device. The experimental device is characterized by comprising a water supplier, a connection hose, an overflow box, a water isolation plate and a water collecting tank, wherein a water filling port with a piston A and an air exhaust pipe B are arranged above the water supplier; a water outlet valve C is arranged on the side wall of the bottom of the water supplier; a valve D is arranged at the bottom of the overflow box; a flow guide plate E is arranged on one side below the overflow box; a valve F is arranged at the bottom of the water collecting tank; a flow guide plate G is arranged above the water collecting tank; the valve C of the water supplier is connected with the valve D of the overflow box through the connection hose; and the flow guide plate E of the overflow box is connected with the flow guide plate G of the water collecting tank through the water isolation plate. The water collecting tank is used for collecting water from a measurement region, and the water is guided into a measurement cylinder through the valve F at the bottom of the water collecting tank, so that the flow-out water amount within unit time can be measured. The experimental device can be used for measuring the roughness and erosion quantity of slope surfaces under various outdoor topographic conditions and evaluating the impact resistance of the slope surface; and the device is easy to use and convenient to mount and carry.

The invention discloses a brake positioning control method for an engine. When an engine needs to normally work, one end of a braking rocker arm is separated from a braking cam, and the other end of the braking rocker arm is separated from a braking pad. When the engine needs to be braked, gaps between the breaking rocker arm and the braking cam and between the breaking rocker arm and the braking pad can be eliminated. The invention also discloses a positioning mechanism for the engine brake. The a positioning mechanism is composed of a braking cam, a braking rocker arm, a rocker arm shaft, a braking press cake, a vent valve and a braking rocker arm positioning mechanism, wherein the braking rocker arm is installed on the rocker arm shaft in a swinging way; one end of the braking rocker arm approaches to the braking cam, and the other end of the braking rocker arm approaches to the braking press cake; and the braking press cake is a braking piston, or the elephant foot pat of an engine, a valve bridge and a rocker arm. The positioning mechanism is integrated in the vent valve system of the engine to prevent the braking rocker arm, the braking cam, the braking press cake and other engine components from being suddenly collided, thereby realizing stably switch between the braking state and normal working state of the engine. The engine with the braking rocker arm positioning structure occupies small area and is convenient to install and carry.

The invention discloses an elevating communication base station and belongs to the technical field of communication base stations. The elevating communication base station comprises an computer room, a base, a support frame, a driving device, an elevating tower and an antenna. The elevating tower is connected with the support frame on the base, the antenna is arranged on the top of the elevating tower and the computer room is arranged on the base and in the support frame; the elevating tower comprises a tower body and an elevating assembly; the tower body comprises a base section, a first moving section and a second moving section which are hollow and sequentially arranged in a sleeved mode, wherein the base section and the first movable section are provided with transmission components respectively and the transmission can be realized between the components, so that the first moving section and the second moving section can relatively be unfolded or folded. The elevating method of a screw rod is relatively adopted here. The elevating communication base station adopts a multi-stage transmission mode and avoids that the single screw rod is too long in length and high in production cost when the multi-stage elevating is achieved. The disassembly and installation of the screw rod are needed every time while the station is frequently moved to avoid that the screw rod is too long to affect the transportation after the elevating tower is folded.

The invention relates to a shipborne automatic water quality sampler, which mainly includes a sample collector and a sample storage box. The sample collector is composed of a support frame, a suspension device, a sample suction device, a sampling bucket and a controller. The sample storage box consists of a storage box body, a sample bottle and a sample splitter. The sample collector and sample storage box of the shipborne automatic water quality sampler adopts a split structure, can be suitable for installation and use by various manned and unmanned ships. Water quality samples of different depths can be collected into a designated sample bottle automatically, thus improving the automation level and sampling efficiency of water quality sampling work. The sampling bucket has a sampling way identical to manual sampling, a water sample at the position where the bucket is located can be acquired precisely, and the objectivity and accuracy of the sampling result can be effectively guaranteed.

The invention relates to the field of traffic safety management, in particular to a safety prewarning system for road operating personnel. A road situation monitoring device of the safety prewarning system performs information collection on vehicles entering a detection range to obtain the coordinate information of the corresponding vehicles; if the vehicle enters an operation area to possibly affect the safety of the operating personnel in the operation area, a judgment module sends a warning signal to an execution module, and a boundary warning device indicates a boundary of the operation area according to the warning signal sent out from the execution module to warn a vehicle driver to decelerate and avoid the operation area; if the vehicle enters the operation area, the judgment modulesends the warning signal to the execution module to give an alarm to the operating personnel in the operation area so as to take response measures in time, so that a situation that the operating personnel are injured is reduced; the safety of construction operation is improved; and a traffic accident possibility is reduced.

The invention discloses a device for measuring a contour line of a pipe wall thickened section of a drill rod. The device comprises a measuring platform and a control part; a tensile displacement sensor, a tilt sensor and a stepper motor are arranged on the measuring platform; the control part comprises a lower computer, an upper computer, a display and a control panel; the lower computer is respectively connected with the upper computer, the display and the control panel simultaneously; and the lower computer is also connected with the tensile displacement sensor, the tilt sensor and the stepper motor simultaneously. The invention also discloses a method for measuring the contour line of the pipe wall thickened section of the drill rod. The method comprises the following steps of: measuring original data consisting of a linear displacement quantity and an angular displacement quantity by using the device to obtain a set of linear displacement-angular displacement coordinate data points at each sampling moment; connecting the series of coordinate points in sequence to form a measurement contour of the section to be measured of a bus of the drill rod; and performing data processingto obtain a measurement value of the contour line of the pipe wall thickened section of the drill rod. By the device and the method, the precision is guaranteed, and the measurement efficiency is remarkably improved.

A fluid magnetic cleaning device for removing fluid harmful substance by the magnetic particle is disclosed. It can be used for removing the harmful molecule, molecular aggregate, cell and other mini particles in blood, in particular for removing the harmful protein(like low density lipoprotein ), virus(like AIDS virus) and cell(like tumor cell). The cleaning device is integrated into a chip material as a fluid assembly with a fluid inlet and a fluid outlet. The end of the fluid inlet is connected with a pump(2), and the output end of the pump is connected with the inlet end channel selector(41) and a fluid pool(9) of the fluid reacting chamber. On the inlet end and outlet end, soft magnetic net or fence shape barrier are provided separately, active magnet microsperes are installed in the center of the fluid pool and a magnet control device is provided outside of the fluid pool. The output end of the fluid pool connects to the triple valve, while the output end of the channel selector connects to the purified fluid output.

The invention discloses an insulator metamorphic detection robot mechanism. The mechanism comprises mobile units and a detection element, and least two mobile units are adopted and mutually connected into a whole to form a mobile mechanism surrounding an insulator chain. Each mobile unit comprises a hook surface frame with the hollowed-out middle, a cam mechanism is arranged on one side of the hook surface frame, a parallelogram mechanism is arranged on the cam mechanism, a driving device is mounted on the parallelogram mechanism, clamping jaws are arranged on the parallelogram mechanism, and a crawler belt type guide mechanism is arranged on the hook surface frame in the radial direction of insulators. Disassembling and assembling can be conducted, operators can carry and mount the mechanism conveniently, operation is relatively safe and reliable, and the crawler belt type guide mechanisms achieving the guiding function make flexible contact with the insulator chain, so that abrasion of the surfaces of the insulators in the guiding process is avoided; and the mechanism can well adopt to errors of the insulators, the mechanism is reasonable in structure design, stable in operation, capable of detecting horizontal, overhung and oblique insulator chains and wide in application range.

The invention relates to a tool for dismounting a break-brake spring. The tool comprises at least two supporting rods, the supporting rods are used for being fixedly connected with a spring shell of the spring to be dismounted, the axes of the supporting rods extend in the compression direction of a close-brake spring, the supporting rods are sleeved with a compression spring supporting plate capable of moving in the direction of the axes of the supporting rods, the compression spring supporting plate is provided with a bottom face used for jacking and pressing a compression spring plate to compress the break-brake spring and a top face away from the bottom face, a connecting sleeve penetrating hole is formed in the compression spring supporting plate and used for enabling a connecting sleeve on a close-brake spring device to completely penetrate through the compression spring supporting plate from the bottom face of the compression spring supporting plate to the top face of the compression spring supporting plate, and the supporting rods are provided with drive structures used for driving the compression spring supporting plate to move in the compression spring direction and locking structures used for preventing the compression spring supporting plate from moving reversely under the action of the break-brake spring after the compression spring supporting plate moves in place. The tool is simple in structure, convenient to mount and carry and convenient to use, the compression distance of the break-brake spring is not limited, good universality is achieved, and the tool can be suitable for field debugging.

The invention relates to a focal point positioning device for an astronomical telescope. The focal point positioning device for the astronomical telescope comprises a bearing platform, spectroscope lenses, reflector lenses and three screw rods, wherein the bearing platforms can be rotated around a shaft; the spectroscope lenses are arranged above the shaft; the reflector lenses are arranged on the bearing platform; the three screw rods are arranged on the bearing platform and are distributed at angles of 120 DEG mutually; the screw rods and the reflector lenses are positioned on the same linear optical path and are distributed on both sides of the spectroscope lenses respectively; sliding seats which can be moved back and forth along the screw rods are sleeved on the screw rods; and the spectroscope lenses and the reflector lenses are arranged on the sliding seats respectively through adjustable lens bases. The focal point positioning device is convenient to assemble and carry, focusing light sources can be selected according to the wavelength of detection signals of a laser radar, optical paths are finely tuned by the two-dimensional adjustable lens bases, and the spatial distribution of three beams of parallel light is adjusted through an operating crank of the sliding seat and an operating crank of a turntable, so that the three beams of parallel light enters an objective lens of the astronomical telescope to be focused, focus points are rapidly and accurately positioned, and the focal point positioning device is easy to use, low in cost and is convenient to fix and operate.

The invention discloses a high-speed and heavy-duty replaceable triangular crawler wheel assembly. The high-speed and heavy-duty replaceable triangular crawler wheel assembly comprises a rubber crawler, a supporting frame, a driving wheel, guiding wheels, tensioning guiding wheels, tensioning devices and load-bearing wheels. The outer ring of the high-speed and heavy-duty replaceable triangular crawler wheel assembly is covered with the rubber crawler. The driving wheel, the guiding wheels, the tensioning guiding wheels, the tensioning devices and the load-bearing wheels are arranged on the supporting frame. The driving wheel is located at the upper portion of the rubber crawler and is connected with a chassis wheel shaft. The guiding wheels and the tensioning guiding wheels are located atthe two ends of the bottom of the rubber crawler, and the load-bearing wheels are arranged on the middle of the rubber crawler. The tensioning devices comprise oil cylinders, energy accumulators andtensioning wheel connecting frames. The oil cylinders are connected with the energy accumulators to form gas-liquid springs. The oil cylinders are connected to oil cylinder seats of the supporting frame, the lower ends of the tensioning wheel connecting frames are connected with the supporting frame to form hinge points, the tensioning guiding wheels are arranged on the middles of the tensioning wheel connecting frames, and the oil cylinders are connected with the upper ends of the tensioning wheel connecting frames. The high-speed and heavy-duty replaceable triangular crawler wheel assembly is simple and reasonable in structure, good in stability, capable of realizing fast replacement and assembling, capable of meeting the requirements of high-speed and heavy-duty, and capable of improving the ability of vehicles to deal with complex geological conditions, such as muddy and soft conditions.

The invention relates to a portable uniform correcting device for PET equipment and a correcting method of the portable uniform correcting device. The portable uniform correcting device comprises a PET machine frame and a scanning bed; a scanning hole is formed in the PET machine frame; a detector is arranged in the PET machine frame; the detector has a circular scanning view; the portable uniform correcting device is arranged on the top surface, close to the PET machine frame, of the scanning bed; the portable uniform correcting device comprises a rotating shaft, a rotating arm and a radiating source rod; the rotating shaft can drive the radiating source rod to rotate by 360 degrees at the constant speed through the rotating arm; the radiating source rod is arranged on the lateral side of the rotating arm; the radiating source rod extends into the scanning hole of the PET machine frame and can rotate along the hole wall of the scanning hole; the axis of the rotating shaft coincides with the axis of a round ring of a scanning view hole; and the axis of the radiating source rod is parallel to the axis of the rotating shaft. The portable uniform correcting device is simple in structure, convenient to carry and install, easy to operate, high in accuracy, short in correcting time and wide in application scale.

The disclosed all-weather dual-camera laser speed measuring and quoting device comprises: a laser speed velometer and a color digital camera both on one side of the case, and a controller connected with former pieces by wire, wherein the included angle between the velometer and camera is between 0deg and 0.075deg, the camera composes by a close-up digital camera and an overall digital camera arranged from upper to lower, and the velometer composes by a laser emitter and a receiver. This invention applies its controller to operate the cameras for fast and accurate images, and fit to all weather work.

The invention provides a mobile phone chaperone device and wireless communication system and communication method, wherein the mobile phone chaperone device comprises: a radio-frequency processing unit for communicating with mobile phone in the way of radio-frequency; at least one user identification module card unit for storing and processing the user identification module card information interacted with the mobile phone according to user identification module interface protocol; a control processing unit being connected with the radio-frequency processing unit and the user identification module card unit and for controlling the mobile phone communication request received by the radio-frequency processing unit to read the user identification module card information and transfering the user identification module card information interacted with the mobile phone to the mobile phone by the radio-frequency processing unit. The invention can realize multi SIM-cards application on present mobile phone and the change of the present mobile phone is little.

The invention discloses a high efficiency solar energy sea water desalting device. The high efficiency solar energy sea water desalting device comprises a dish-type condenser with a line focusing function, a column type steam generator with a vacuum sandwich layer, nanometer particles with a nuclear shell doubled-layer structure and a sleeve-type heat exchanger, wherein a focusing shaft of the dish-type condenser and a center shaft of the column type steam generator are coincided; sea water to be processed is contained in the column type steam generator, and nanometer particles are distributed in sea water in the column type steam generator; a sea water inlet is formed on the upper part of the side wall of a sleeve of the sleeve-type heat exchanger, a sea water outlet is formed in the lower part of the side wall of the sleeve, and the sea water outlet is communicated with the bottoms of the side walls of the column type steam generator through a sealing pipeline; and the upper end of an inner pipe of the sleeve-type heat exchanger are communicated with the top of the column type steam generator, and an opening arranged on the lower end of the sleeve-type heat exchanger is utilized as a fresh water outlet. The high efficiency solar energy sea water desalting device provided by the invention is utilized, the nanometer particles which are distributed in sea water realizes a direct fluid internal heating mode, the reflection and heat resistance loss are reduced, and the heating efficiency is improved.

The invention discloses a detection device of dust concentration, which includes: a deposition resistor, a cantilever beam, a glass substrate, a tapered electrode and a silicon substrate. An end surface of the cantilever beam is connected fixedly to the end surface of the silicon substrate. The deposition resistor is arranged on the top of a contact position of the cantilever beam and the silicon substrate and is used for connecting the cantilever beam to the silicon substrate. The two ends of the deposition resistor are led out by metal wires. The tapered electrode is fixedly connected to the upper surface of the silicon substrate. A Ti / Cu alloy layer is arranged on the surface of the tapered electrode. The glass substrate is arranged over the tapered electrode and is provided with through holes. The surface of the glass substrate is coated by nickel. The invention also discloses a detection method of dust concentration. The device and the method can avoid the problem of large size and slow response of a conventional device. The device is portable and is quick in response.

The invention discloses a face recognition detection health diagnosis device, including a device main body, upper and lower rotation motors, left and right rotation motors and an upper computer. The device main body is provided with a millimeter wave antenna, a signal processing module, a camera, a face recognition module, a DSP processor A, a DSP processor B, APP software, a display module, a memory module and a WIFI module. Based on the ability to detect a person 's heartbeat and breathing, a multi-person face recognition function is added, so that the device can be intelligently defined anddesignated, no more blind sounding. The device realizes the automatic follow-up monitoring type of observing the real-time situation of the detected person through arrangement of the upper and lowerrotation motors, left and right rotation motors. The device is small in volume, convenient to carry and install, suitable for wide application of family type and hospital type, simple in operation, perfect in function, and realizes the non-contact intelligent health detection for the intensive care, the elderly living alone and the heart disease patients, and the like.

The invention discloses an automobile-mounted emergency life ring. The emergency life ring comprises a structure part (3), a hole is formed in the upper end face of the structure part (3), an inflating button (1) is arranged in the hole and connected with a firing pin (8), a spring (2) is arranged at the lower end of the inflating button (1), a percussion cap (7) and a fuze (6) are sequentially arranged below the firing pin (8), the fuze (6) is connected with an igniting chamber (5), an igniter is contained in the igniting chamber (5), the igniting chamber (5) is communicated with a reaction chamber filled with gas generating substances (4), and the two sides of the reaction chamber are communicated with an air bag (9). The automobile-mounted emergency life ring can be placed in a storage box in an automobile, or a shell and an automobile door or an automobile seat are designed into a whole to place the life ring in a concealed mode, and the life ring is taken out when needed. The problems that a solid life ring is inconvenient to carry and mount on the automobile, and as an existing inflating life ring needs an inflating tool for inflation, the existing inflating life ring cannot be used for escape when the automobile falls into water or is in other emergency circumstances are solved.

The invention discloses a high-precision movable environment data acquisition device which comprises a movable external enclosure and a circuit board arranged in the movable external enclosure. An environment data acquisition unit, a CPU (Central Processing Unit) module, a data storage unit, a LED (Light-Emitting diode) display unit, a power supply unit, a data download unit and a data communication interface are arranged on the circuit board, wherein the CPU module is used for carrying out quantitative analysis processing on information acquired by the environment data acquisition unit; the LED display unit is controlled by the CPU module and is used for synchronously displaying quantitative analysis results of all monitoring parameters; the data download unit and the data communication interface are respectively connected with the CPU module; and the environment data acquisition unit comprises a sensor group consisting of a plurality of sensors and a data acquisition module connected with the sensor group. The high-precision movable environment data acquisition device has simple structure and reasonable design, is simple and convenient to use and operate, is convenient to move, has high practical value and wide application range. The practical requirement for carrying out processing of synchronously acquiring, storing, downloading and accurately analyzing on environment parameters can be met.

The badminton footwork training equipment of the present invention relates to the training equipment of badminton technique. The intelligent guiding badminton footwork training equipment device of the present invention is composed of a camera module, a portable microcomputer and two laser projection modules. The device uses two laser projection modules to project the boundary of the badminton court and all or part of the important points required for training on the field; the device uses the sound playback device of the portable microcomputer to play the sound and send out badminton footwork to the trainees. Training passwords, instructing the trainees to step on the basic points of the badminton footwork training field according to the passwords; using the camera module instead of human eyes to obtain the moving images of the trainees under the guidance of the passwords; and analyzing the actions of the trainees through the image processing program of the portable microcomputer Deviation, give guidance prompt information. The invention has the advantages of being easy to carry and install, and giving trainees professional hints.

The invention discloses an automatic curtain reeling type LED display screen. The automatic curtain reeling type LED display screen comprises a motor, a winding roller, a flexible circuit board with the top end fixed to the winding roller and a plurality of LED dot matrix units welded to the flexible circuit board. The dot matrix units are arranged on the flexible circuit board in parallel from top to bottom; the dot matrix units are completely contained in grooves in the flexible circuit board in a fixed mode; and the motor is in transmission connection with a winding shaft and is connected with a rotating speed adjustor. According to the automatic curtain reeling type LED display screen, the LED dot matrix units are fixed to the flexible circuit board and are contained through the winding shaft so that the automatic curtain reeling type LED display screen can be conveniently installed and carried. In addition, the motor is adopted for controlling, automatic curtain reeling can be achieved, and the area is controllable in size.

The invention discloses a battery mounting and carrying device of a new energy automobile, and belongs to the field of new energy automobiles. The battery mounting and carrying device for the new energy automobile comprises a bottom plate, wherein a first groove and a second groove are formed in the bottom of the bottom plate; a mounting plate is connected in the first groove, a threaded rod is rotationally connected to the top of the mounting plate, a nut seat which is in threaded connection with the threaded rod is fixedly connected to the outer wall of the top of the bottom plate, and a sliding block is connected to the top of the threaded rod; a battery frame is fixedly connected to the top of the bottom plate, a sliding plate is connected in the battery frame in a sliding mode, the end, away from the sliding block, of the sliding plate penetrates through the battery frame and is connected with a sliding rod, and the outer walls of the sliding rod and the sliding block are providedwith inclined planes matched with each other; and a roller is connected in the second groove. According to the battery mounting and carrying device for the new energy automobile, a battery can be conveniently mounted and carried, and the battery in the battery frame can be clamped while being mounted, so that the connection of the battery is stabler, and therefore the battery mounting and carrying are more rapid and convenient.

The invention discloses a multilayer anisotropic puncture type conductive fabric adhesive and an FPC reinforcing shielding structure using the same, wherein the conductive fabric adhesive comprises anupper conductive adhesive layer, a lower conductive adhesive layer and an ultra-thin conductive fabric layer formed between the upper conductive adhesive layer and the lower conductive adhesive layer; the thickness of the upper conductive adhesive layer is 15-25[mu]m, and the thickness of the lower conductive adhesive layer is 35-45[mu]m; the upper and lower conductive adhesive layers comprise metal conductive particles, wherein the metal conductive particles are at least two kinds of a tree branch shape, a chain shape, a needle shape, a slice shape and a sphere shape, and particle sizes of the metal conductive particles are 40-100[mu]m; and the thickness of the ultra-thin conductive fabric layer is 5-15[mu]m. According to the adhesive, the characteristics of an extremely good grounding effect and an electromagnetic shielding effect, high electrical property, excellent bonding strength, excellent tin soldering property, excellent reliability, excellent flame resistance and the like can be achieved by combining with a reinforcing material and an EMI film under the condition that the FPC does not have a reserved grounding hole, and in addition, the production process can be reduced,and the production cost can be lowered.

An electric propeller includes a motor and a propeller. An output shaft of the motor is closely connected with the propeller. The electric propeller further includes a propeller main body casing, a propeller rotating device, a lithium battery, a lifting hook assembly, a waterproof circuit control box and a wireless remote control circuit arranged in the waterproof circuit control box. The propeller main body casing is composed of a main panel and two side panels symmetrically arranged on the two sides of the main panel. The propeller rotating device includes a steering support, a large gear, asmall gear, a hollow gear tray and a gear tray cover and a direct current speed reduction small motor. The lifting hook assembly includes a front hanging plate and a rear hanging ring. The lithium battery is connected with the wireless remote control circuit and mounted at the bottom of the waterproof circuit control box. The wireless remote control circuit controls a working state of the motor and the direct current speed reduction small motor. The main panel is further provided with a power main switch. The electric propeller has the advantages of being small in size, light and convenient to carry and install and facilitating operation.