53 results about "Contact electrification" patented technology

A tactile sensor for sensing touch from a human finger includes a triboelectric layer and includes a material that becomes electrically charged after being in contact with the finger. The first side of a first conductive layer is in contact with the second side of triboelectric layer. The first side of a dielectric layer is in contact with the first conductive layer and the second side of the dielectric layer is in contact with a second conductive layer. When the triboelectric layer becomes electrically charged after being in contact with the finger, the first conductive layer and the second conductive layer are subjected to an electric field, which has a first field strength at the first conductive layer and a second field strength, different from the first field strength, at the second conductive layer. A plurality of tactile sensors can be arranged as a keyboard.

Provided are a photoreceptor of an electophotographic system satisfactorily high in resistance to contamination with a developer or corona products and durability to a contact electrification unit or a cleaning blade and capable of preventing occurrence of film defects in the production, and a process cartridge and an image forming apparatus in which a good image quality can be obtained over a long period of time. The photoreceptor includes a conductive substrate and a silicon compound-containing layer located on the substrate and containing a cyclic siloxane compound and/or derivatives thereof. The cyclic siloxane compound has a cyclic structure containing a repeating unit represented by formula (1) wherein A<1 >and A<2>, which may be the same or different, each represent a monovalent organic group.

The invention discloses a chip burning checking method, which comprises the following steps that S1, users set required burning checking parameters on burning checking equipment; S2, the burning checking equipment carries out detection; S3, the chip sequence number ID (identity) is sequentially subjected to reading, calculation, burning and checking; S4, chips subjected to the sequence number ID checking are sequentially subjected to file byte data reading, calculation, burning and checking; S5, the chips subjected to the file byte data checking are subjected to burning state protection bit calculation and checking. The chip burning checking method has the advantages that the communication mode is converted into a parallel mode from a serial mode, the burning-while-checking-verifying multi-channel single comparison mode is adopted, abnormal burning links are discovered in time, abnormal test channels are judged in time, the integral testing efficiency of the burning checking is improved, the channel contact electrification condition is effectively distinguished, the reverse insertion and mistake insertion of the channels can be prevented, and the occurrence of quality accidents caused by plate taking error can be effectively avoided.

The present invention relates to the technical field of plugs and sockets for electrical appliances. Disclosed are a surface contact plug and socket, comprising a matching plug and socket; a plug contact piece connected with a plug electric wire is arranged on the lower surface of the plug; and a socket contact piece connected with a socket electric wire is arranged on the upper surface of the socket; when the plug is inserted into the socket, the plug contact piece vertically or obliquely meets the socket contact piece to cause surface contact electrification. The surface contact plug and socket of the present invention employ surface contact between contact pieces, enlarge the contact area and improve current transmission capacity since the plug and socket are of the same size, and therefore the contact is always reliable, and the more the plug and the socket are used, the more reliable the contact is.

A charged probe and an electric field measuring method are provided. The probe can be charged with single electricity on single nano particle attached on the top of the probe tip being a charged probe and the probe is applicable for measuring the electric fields of object in the nano scale. The probe comprises an insulating tip base, a cantilever and a single nano-particle. The cantilever is arranged for supporting the insulating tip base and the single nano-particle is configured on the erosion plane. After conducting contact electrification method to charge the electric nano particle, the single nano-particle will be charged with fixed number of single electrical charge. Then, the amount of the fixed number of single electrical charge is calculated by the virtual image charge calculation method. The charged probe can be used to measure the electric fields distribution by tapping mode or f-d curve measurement.

The invention provides a back-gate field effect transistor based on contact electrification. The back-gate field effect transistor comprises the components of a conductive substrate; an insulating layer which is formed on the front surface of the conductive substrate; a field effect transistor assembly which comprises a channel layer, a drain electrode, a source electrode and a gate electrode; and a friction electrification assembly. The friction electrification assembly comprises the components of a static friction layer which is formed on the lower surface of the gate electrode; a movable friction layer which is separated from the static friction layer and is arranged parallelly with the static friction layer; and a second conductive layer which is formed outside the movable friction layer and is electrically connected with the source electrode, wherein the static friction layer and the movable friction layer are arranged at different positions of a friction electrode set. In response to the function of an external force, the static friction layer and the movable friction layer can be repeatedly switched between a separating state and a contacting state. According to the back-gate field effect transistor, an electrostatic potential which is generated by a friction electrification machine is used as a gate electrode gate signal of the back-gate field effect transistor, thereby realizing control for transportation characteristic of carriers in a semiconductor.

The invention provides a key, and a keyboard which comprises a plurality of keys. The key comprises a key shell, an electrostatic generator element which is arranged below the key shell and can produce electric energy by utilizing a contact electrification effect, and a key sensing element, wherein the position of the key shell corresponds to that of the key sensing element; and when the key shell is pressed, an electric signal is produced by the electrostatic generator element while a key signal is produced by the sensing element. The key and the keyboard provided by the invention have the advantage that the mechanical energy produced when the key shell is pressed is converted to electric energy on the premise that normal operation of the key is not influenced.

An x-ray source includes an enclosing vessel, a first roller arranged at least partially within the enclosing vessel, a second roller arranged at least partially within the enclosing vessel and to be in rolling contact with the first roller, and a drive assembly operatively connected to at least one of the first and second rollers. The drive assembly causes the first and second rollers to rotate while in contact to bring portions of the first and second rollers into and out of contact within the enclosing vessel as the first and second rollers rotate. The first roller has a surface at least partially of a first triboelectric material and the second roller has a surface at least partially of a second triboelectric material, the first triboelectric material having a negative triboelectric potential relative to the second triboelectric material. The enclosing vessel is structured to provide a controlled atmospheric environment, and the first triboelectric material, the second triboelectric material and the controlled atmospheric environment are selected such that rolling contact between the first and second rollers produces x-rays.

Provided is a probe microscope for measuring a surface potential of a sample, including a contact electrification mechanism (circuit (C)) for bringing an electroconductive probe device into contact with a surface of the sample and applying a voltage in the contact state to induce electrification on the surface of the sample, and a potential measuring mechanism (circuit (K)) for measuring the surface potential of the sample caused by the contact electrification mechanism in a non-contact state of the electroconductive probe device and the surface of the sample, wherein the electrification induced by the contact electrification mechanism and the measurement of the surface potential by the potential measuring mechanism alternate in time series while the voltage applied during the contact is gradually changed, thereby measuring a correlation between the applied voltage and the surface potential.

The invention discloses a triboelectric three-dimensional flexible tactile sensor which comprises arrayed triboelectric three-dimensional flexible tactile sensing units, and each tactile sensing unitis composed of an insulating flexible inverted circular truncated cone, a metal electrode, a flexible covering layer, a flexible middle layer, a flexible bottom layer and a lead. The insulating flexible inverted circular truncated cone serves as a three-dimensional tactile force sensing structure and can convert external contact forces of different modes and sizes into corresponding deformation. Atriboelectric pair composed of the insulating flexible inverted circular truncated cone and the metal electrode converts the deformation into an electric signal through contact electrification and electrostatic coupling effects, and self-powered and high-sensitivity measurement of three-dimensional contact force including contact positive stress and slip shearing force is achieved. The triboelectric three-dimensional flexible tactile sensor is simple in overall structure and easy to manufacture, and array expansion of the tactile sensing units can be facilitated through the high-symmetry structure. The triboelectric three-dimensional flexible tactile sensor is excellent in comprehensive performance and can be popularized and applied to the fields of robot tail end dexterous hands, artificial limbs, surgical manipulators and the like.

An electrostatic power generation fiber comprising a thread-shaped core that comprises a conductive component; a charge building-inducting-tunneling layer on the core that comprises a contact electrification material. An embodiment of the present invention is directed to an electrostatic power generation fiber comprising: (a) a thread-shaped core that comprises a conductive component; and (b) a charge building-inducting-tunneling layer on the core that comprises a contact electrification material; wherein electrical charge, formed via contact electrification of the charge building-inducting-tunneling layer, travels along the core, which during electrostatic power generation the core is a constituent of an electrical network.

The invention provides an organic tribotronics transistor. The organic tribotronics transistor comprises a substrate, an organic thin-film transistor formed above the substrate and a frictional nano generator formed below the substrate. The frictional nano generator comprises a static friction portion formed at the lower surface of the substrate and a movable friction portion arranged opposite to the static friction portion, wherein one of the static friction portion and the movable friction portion is electrically connected with a source electrode of the organic thin-film transistor, and the other is electrically connected with a grid electrode of the organic thin-film transistor. The organic tribotronics transistor utilizes electrostatic potential generated by a frictional generator to act as a gate electrode gate signal so as to realize regulation and control for transport characteristics of carriers in a semiconductor, thereby having good regulation and control characteristics, and realizing a brand new mode of regulating and controlling light emission of a device through mechanical input. Based on the organic tribotronics transistor, the invention further provides a contact electrification gate-controlled light-emitting device.

The invention relates to an energy storage type friction nanometer generator capable of efficiently capturing intermittent motion energy. Continuous operation and output can be achieved under single excitation. The invention provides an energy storage type friction nanometer generator capable of efficiently capturing intermittent motion energy. The energy storage type friction nanometer generatorcomprises a cylinder, a flywheel component, a coil spring, a push rod component, an upper end cover, a lower end cover, a transmission component, a base fixing bolt, a shell fixing bolt, a power management base, a cylinder bolt, a cylinder cover bolt and a cylinder cover. The coil spring and the flywheel have a certain energy storage effect, the flywheel can slowly release energy and can achieve long-time rotation; friction materials installed on the flywheel and electrodes evenly distributed on the inner wall of the shell form a friction power generation unit, continuous sweeping type friction is conducted along with rotation of the flywheel, based on the contact electrification principle and the electrostatic induction principle, external circuits of the electrodes can generate alternating current signals, and energy is led out through the power supply management base. Therefore, the energy storage type friction nanometer generator capable of efficiently capturing the intermittent motion energy can convert mechanical energy of accidental mechanical impact or biological energy of foot treading into electric energy.

The invention provides a friction electronics phototransistor and a composite energy collector applying the friction electronics phototransistor. According to the friction electronics phototransistor, a contact-separate type friction nanogenerator is coupled of a field effect phototransistor, the photoelectric conversion characteristic in the field effect phototransistor can be regulated and controlled by using the electrostatic potential generated by contact electrification, the conventional gate voltage is replaced and regulation and control of the photoelectric conversion characteristic of the device can be realized so that the friction electronics phototransistor becomes a novel friction photoelectronics device. According to the composite energy collector, the field effect phototransistor and the wind-powered friction nanogenerator are coupled, and the output voltage of the wind-powered friction nanogenerator acts as the internal gate voltage for regulating and controlling the performance of the light energy collector so that simultaneous collection of light energy and wind energy can be realized, the output performance of the composite energy collector can be enhanced and the friction electronics phototransistor and the composite energy collector have important application prospect.

The invention discloses a non-contact electrification concealed wire recognizing device. The non-contact electrification concealed wire recognizing device comprises alternating current electric field detecting units, signal processing units and concealed wire position recognizing units, the alternating current electric field detecting units are of a plane array type structure, namely, the alternating current electric field detecting units are placed on a plane in an array mode, each electric field detecting unit is connected with one signal conditioning unit, the signal processing units receive output signals of the signal conditioning units to scan a plane array periodically and carry out coherent processing on known open wire signals, then the position of an electrification alternating current wire is judged, the concealed wire position recognizing units receive the position information of the signal processing units, and accordingly the position information of an electrification concealed wire is displayed. The electrification concealed wire is measured through an array sensor, coherent processing is carried out on the signals, and the effect on the measuring result from the outside electromagnetic interference is avoided. Meanwhile, the position and the direction of the electrification concealed wire can be accurately displayed through a plane array type display unit, and a safety guarantee is brought to power construction.

The invention relates to a pull-and-pressing type full-stroke energy harvesting friction-piezoelectric-electromagnetic composite generator. The composite generator is characterized by realizing continuous operation and output under one-time excitation, and can efficiently collect random irregular mechanical movement energy in the nature. The pull-and-pressing type full-stroke energy harvesting friction-piezoelectric-electromagnetic composite generator comprises an upper shell, a lower shell, a base assembly, a flywheel assembly, a bolt, an upper cover plate assembly and a pressing plate assembly; and the flywheel assembly has a certain energy storage function and can rotate for a long time. As a flywheel rotates, a friction material performs continuous sweeping type friction on an electrode, so that electric energy is generated based on a contact electrification principle and an electrostatic induction principle; and mechanical movement energy harvesting efficiency can be improved through electromagnetic power generation and piezoelectric power generation. Therefore, with the pull-and-pressing type full-stroke energy harvesting friction-piezoelectric-electromagnetic composite generator adopted, random irregular mechanical movement energy can be converted into electric energy efficiently.

The invention discloses an armature rustproof power protection control device of a water dispenser contact switch. The device structurally comprises a square box shell cover, an intelligent seat, an arc bottom baffle, an unidirectional switch valve, a water receiving groove, a supporting cushion groove seat and an inner container electric control cabinet. The armature rustproof power protection control device of the water dispenser contact switch has the advantages that it is achieved that the intelligent seat is matched with the inner container electric control cabinet, the emission phenomenon of moisture humidification is formed by introducing water into an inner groove through the intelligent seat, at this moment, an armature sliding frame is pressed against a contact end tube, an armature frame block is provided with clamping cover strip plates in a gourd shape, the clamping cover strip plates are utilized to have an effect of full contact electrification through covering, the heating evapotranspiration effect on the water vapor is excellent due to the aluminum thermal conductivity of a hood cover in the period, the dehumidification is significant, the internal environment homoiothermy is improved, drying and dewatering care of clamping abutting and flanging prevention is also formed for concave iron blocks, the flexibility of movable contact bridge connection of the integral maintenance armature is achieved, the water prevention and electric leakage prevention situation of an internal short-circuit contact switch during power-off protection is improved, and the on-offcircuit effect of an electromagnetic relay is optimized.

The invention discloses a proximity sensor. The proximity sensor comprises a four-core wire, a sealing plug, a back plug, an LED small PCBA, a main board PCBA, a spring, a magnetic core bracket, a magnetic core, a coil bobbin and a metal shell. The coil bobbin, the magnetic core and the magnetic core bracket are cooperatively connected to avoid the problem of faulty products because the magnetic core and the coil are in contact electrification and the magnetic core is in contact electrification with the metal shell, the main board PCBA is elastically connected with the coil bobbin, the magnetic core and the magnetic core bracket through the spring, namely the tolerance is absorbed and the magnetic core is close to an induction surface so as to improve the measurement precision; a potentiometer can be adjusted externally to avoid the product being defective due to some uncontrollable factors to result in poor product quality. The product is returned to normal use through regulation of the potentiometer and is subjected to design in a once gluing mode after assembling so as to improve the production efficiency and improve the product stability.

The invention discloses a sound insulation barrier with a self-power-generation function. The sound insulation barrier comprises a sound insulation wall, a contact electrification part, a plurality of transverse partition plates sequentially arranged from top to bottom, and a plurality of side partition plates sequentially arranged from left to right, wherein the contact electrification part, the transverse partition plates and the side partition plates are arranged in the sound insulation wall and connected to form a plurality of sealed space units; a light ball is arranged in each space unit; the contact electrification part is vertically arranged, and an acute angle is formed between each transverse partition plate and the contact electrification part; each light ball is supported by the corresponding transverse partition plate which forms the space unit where the light ball is located, and can separably abut against the contact electrification part which forms the space unit where the light ball is located; each light ball is provided with a first contact electrification layer which makes contact with the contact electrification part for electrification. When the sound insulation wall is vibrated due to wind pressure or sound waves, the first contact electrification layers are separated from and make contact with the contact electrification part to generate electric charge output.