83results about How to "Stable electrical contact" patented technology

An electrophysiological sensor, weak electrical signal conditioning circuit and method for controlling the circuit as provided. The sensor includes rigid filiform conducting nanostructures connected to a conducting substrate and operable to penetrate an organic tissue. The circuit includes an instrumentation amplifier with an input connected to a first electrode in contact with a first area of a medium, and a second input; a voltage generating device connected to an electrode in contact with a second area of the medium for applying a continuous reference signal to it; a compensator, electrically insulated from the device, for compensating the direct current offsets of a weak electrical signal received by the first electrode, generating a signal with a reference voltage with a value which can be modified by a control system, and supplying it to the second input. A method is also provided for controlling the circuit.

A safe socket with stable power supply comprises a socket body (9) and a soleplate (90) which can be slidingly installed in a slide groove (19) of the socket body (9) along a left and right direction. The soleplate (90) is provided with an execution motor (91). A rotor of the execution motor (91) is connected to a screw (95) in a power connection mode. The screw (95) is cooperated with a screw hole in a transverse wall component (8) in the socket body (9). A left end wall of the soleplate (90) is fixedly connected to a power supply guide post (74) which slidingly passes through and forms sliding fit with a slide hole arranged in the transverse wall component (8). The power supply guide post (74) is used for jointing a power supply hole (60) in a plug (6) which is inserted into a jack of the socket body (9) so as to provide power. On each power supply guide post (74), a compression spring (71) is arranged between a side surface of the transverse wall component (8), which faces towards the execution motor (91), and a stator of the execution motor.

The invention discloses a multifunctional internally-installed tire pressure sensor. The sensor comprises a valve nozzle formed in the outer side of a tire and a sensor body arranged in the tire; a detection chip which is electrically connected with a PCB and used for detecting the pressure of the tire is arranged at the position, in the direction facing the groove bottom, of the PCB, and a gas groove for storing gas of the tire is embedded in the bottom end of the detection chip; an open hole communicated with the tire is formed in the bottom of a second containing groove, the open hole is connected with the gas groove through sealing silica gel, and then a sealed gas cavity is defined by the open hole, the gas groove and the sealing silica gel; the detection chip detects gas pressure in the sealed gas cavity to obtain gas pressure of the tire; a positive electrode elastic sheet is arranged on a battery positive electrode piece, and a negative electrode elastic sheet is arranged on a battery negative electrode piece; and after the battery positive electrode piece and the battery negative electrode piece are fixed to a button battery, the positive electrode elastic sheet and the negative electrode elastic sheet penetrate the second containing groove to be fixed to the PCB and are electrically connected with the PCB. The multifunctional internally-installed tire pressure sensor is accurate in tire pressure detection result, rapid and convenient to dismount and mount, and good in electric contact performance.

A novel power supply safety socket comprises a socket body and an installation seat (90), wherein the installation seat (90) can be arranged in a sliding groove (19) of the socket body (9) in a left-right sliding way and is provided with an execution motor (91), a rotor of the execution motor (91) is in power linkage with a screw rod (95), the screw rod (95) is matched with a screw hold in a cross wall part (8) in the socket body (9), a left end wall of the installation seat (90) is fixedly connected with power supply guide columns (74) which penetrate through and are matched with a sliding hole arranged in a cross wall part (8) in a sliding way, the power supply guide columns (74) are used for connecting with power supply holes in a plug (6) inserted into a jack of the socket body (9) for supplying power, and on each power supply guide column (74), a compression spring (71) is arranged between the side surface, facing the execution motor (91), of the cross wall part (8) and a stator of the execution motor.

The invention discloses an electrical connector. The electrical connector comprises a bottom plate and a floating plate; the bottom plate is used for providing a base for mounting; the floating plateis movably mounted on the surface of the bottom plate through an elastic component; elastic pole columns for electrical connection are mounted on the floating plate; the floating plate is elasticallyfixed onto the bottom plate, so that the floating plate can horizontally move relative to the bottom plate so as to adapt to the longitudinal movement of a battery; and the retractable elastic pole columns can be in plugging connection with the battery, so that the floating plate can adapt to the transverse movement of the battery. With the above electrical connector adopted, stable electrical contact can be ensured constantly when the battery is moving or shaking, and a charging effect can be improved.

The invention provides an intelligent thermostatic health shoe, breaking through the configuration form of a traditional shoe. When making steps, a wear will step on a step generator; in particular, an elastic insulating housing is stepped so that it deforms, a compression part is driven to compress a piezoceramic generating element so that is generates electricity, a storage battery is charged after a transformation rectifier performs transformation and rectification, and the storage battery powers an information processing device, a heating device and a temperature detection device. When the temperature detection device detects that interior temperature of the shoe is lower than a set temperature lower limit, the information processing device wound control the heating device for heating so as to increase the interior temperature of the shoe and to keep a foot of the wearer warm; when the temperature detection device detects that the interior temperature of the shoe is higher than a set temperature upper limit, the information processing device wound control the heating device to stop heating so that the interior temperature of the shoe stops rising, thus ensuring that the interior temperature of the shoe is in a reasonable range suitable for human foot feeling temperature and giving wearing comfort.

A conductive contact unit includes plate-like conductive contacts for electrically connecting different circuitries. Each conductive contact includes a first contacting element to be brought in physical contact with one circuitry, a second contacting element to be brought in physical contact with another circuitry, an elastic element, between the first contacting element and the second contacting element, a first connecting element that connects the elastic element and the first contacting element, and a second connecting element that connects the elastic element and the second contacting element and that has an opening. The conductive contact unit also includes a conductive contact holder including first guiding grooves and second guiding grooves facing the first guiding grooves. The conductive contact holder holds the conductive contacts with both longitudinal outside ends of each conductive contact being slidably engaged with the first and the second guiding grooves.

The present invention discloses a novel nightlight with a simple structure. A non-opaque light output panel is disposed on a casing. A plurality of first lamp beads is directly welded onto a control circuit board. The light emitted by the first lamp beads is guided into a light output panel after refracting or reflecting by a light guide member, which facilitates transmission of light and allows uniform and soft light outputted from the light output panel. The nightlight has the advantages of convenient use, easy manufacture and assembly and low manufacturing cost.

An electric operating fuse wire protector without electricity failure comprises a conductor gripper capable of being electrically connected with a single-phase conductor entering end of a circuitry to be repaired and gripping a single-phase conductor, an insulated supporting bar which is fixedly connected with the conductor gripper, a fixed contact which is electrically connected with the single-phase conductor entering end of the circuitry to be repaired, a supporting bracket which is arranged on the lower end of the insulated supporting bar and is connected with the insulated supporting bar, and a fuse protector tube which is connected with the supporting bracket and is movably and freely contacted and electrically connected with the fixed contact. The lower end of the fuse protector tube is electrically connected with a single-phase conductor entering end of an energy supply user. An exchanging and closing fuse wire protector of a connected conduction wire can protect equipment in a phase circuitry and repairers working with electricity in case that overvoltage electric current enters, when the operations of repair, exchange, and the like of a 10kV electricity transmission circuitry and the fuse protector of the 10kV electricity transmission circuitry without electricity failure are carried out, serious potential safety hazard problems such as the abnormal operation of the circuitry, the damage of the equipment, the casualty accident of workers, and the like are avoided, and the working strength of operating workers is also reduced.

Provided is a flat tubular solid oxide fuel cell stack, and more particularly, a flat tubular solid oxide fuel cell stack in which a connection member is interposed between a plurality of fuel cells to smoothly supply air and increase a contact area, in order to enable a stable electrical contact.

The invention discloses a silicon-carbon particle used for a negative electrode of a lithium battery, belonging to the technical field of silicon material preparation. Includes spherical carbon particles and spherical silicon particles, and the particle size ratio of silicon particles to carbon particles is 0.6-1: 4-6, a plurality of silicon particles are connected to the surface layer of the carbon particles; Wherein, the spherical silicon particles comprise a spherical simple silicon inner core, the surface of the spherical simple silicon inner core is coated with an outer silicon oxide layer, and a plurality of holes are penetrated and distributed on the outer silicon oxide layer; The silicon particle structure of the present invention, which is favorable for fully mixing with graphiteto form spherical structure, The spherical wrapping structure formed with carbon particles makes the combination of silicon particles and carbon particles more stable. During the charging and discharging process, the silicon-carbon particles formed on the current collector are not easy to peel off from the current collector and form new solid electrolyte layer, which improves the electrochemical performance of lithium batteries.

The invention discloses a Si-Sn composite material used for a Li-ion battery anode and a preparation method thereof. The composite anode material is of a Sn-fiber-wound Si particle composite structure and composed of two elements Si and Sn, wherein the Si content is 20-70at.% and the balance is Sn. According to the preparation method of the composite anode material, Si and Sn powder are mixed and the mixed powder is ball milled by using a high-energy ball milling method in an argon atmosphere; under the action of high-energy impact, metal Sn particles deform seriously, are subjected to cold welding and torn to form Sn fibers; through further ball milling, fiber-structured ductile-phase metal Sn formed after high-energy ball milling and Si particles smashed under high-energy impact in the ball milling process are composited to form a Sn-fiber-wound Si particle composite structure. The novel Sn-fiber-wound Si composite material is simple in preparation process and low in cost; in addition, the composite material is novel and unique in structure and excellent in electrochemical performance and therefore has excellent application prospect.

The invention provides a back contact solar cell module production method and a back contact solar cell module, and relates to the technical field of solar photovoltaics. The back contact solar cell module production method comprises the steps of providing a conductive connection film, wherein the conductive connecting film comprises an adhesive layer and a wire group adhered to one side of the adhesive layer, the wire group comprises a plurality of wires which are arranged at intervals, and each wire comprises a wire body and a hot melting conducting layer located on the surface of the wire body; sequentially arranging the plurality of back contact solar cells in columns to obtain a back contact solar cell column; stacking the side, provided with the wire group, of the conductive connecting film on the back surface of the back contact solar cell sheet column to form a solar cell string precursor; and laminating the solar cell string precursor, a cover plate and a packaging film layer,so that the hot melting conductive layer is melted to be electrically connected with the wire body and an electrode of the back contact solar cell. According to the invention, the connection strengthof the wire group and the back contact solar cells is enhanced, and the positioning complexity is reduced.

The invention is applicable to the field of electric appliances and provides a rocker switch. The rocker switch comprises a support part and a rocker component in contact fit with the support part andis characterized in that the rocker component comprises a contact, a rocker body and a clamp part located on the rocker body; the clamp part is coordinated with the support end of the support part toprevent discontinuous contact caused by the displacement of the rocker component on the support part when the rocker switch is switched on or switched off. The rocker switch has the advantages that the clamp part is coordinated with the support end of the support part, so that the rocker plate can be firmly coordinated with the support part, electric contact stability is achieved, and discontinuous contact, caused by the displacement of the rocker component on the support part when a user presses the switch, between the rocker plate and the support part is avoided.

A connector for connecting to an electrical cable includes a retaining member for aligning and retaining the electrical cable. The holding part has a main body part and a rod part. The body portion has a plurality of fixing portions for fixedly holding the rod member. The cable is securely clamped between the body portion and the bar member.

The invention provides a plug-in type bus duct, a plug-in unit, a plug-in type bus system and an installation tool. The bus duct comprises a housing and multiple bus units arranged in the housing. A first opening in which the plug-in unit can be inserted is arranged in the bottom of the housing. Each bus unit comprises an insulation assembly arranged in the housing and a conductive assembly. A second opening is arranged in the top of each insulation assembly. Each conductive assembly is arranged in and surrounded by the corresponding insulation assembly. A conductive structure which is in electric contact with a plug-in head, which is vertically inserted in the corresponding second opening, of a plug-in unit is arranged in a part, facing the corresponding second opening, of the corresponding conductive assembly. The invention also relates to the plug-in unit which is matched with the plug-in type bus duct, the plug-in type bus system formed by the plug-in type bus duct and the plug-in unit cooperatively, and an auxiliary installation tool. In the plug-in type bus system, the plug-in unit is in upwards vertical plug-in connection with the bus duct and the plug-in unit is directly hung in the bus duct, so the connection stress is balanced, the electric contact is firm, and the plug-in bus system is not liable to loose, and high in reliability and safety.

The invention relates to aluminum profile machining equipment, in particular to a multifunctional aluminum profile anodic oxidation hanging tool. The hanging tool comprises a hanging tool body and a hanging tool insertion strip installed on the hanging tool body. The function part of the hanging tool insertion strip is inserted into the inner wall of an aluminum profile tube so that the aluminum profile tube can be hung on the hanging tool. Different hanging tool insertion strips can be selected according to aluminum profile tubes of different sections in a corresponding mode, in this way, the hanging tool is tightly attached to the inner wall of the aluminum profile tube, and shaking in the oxidization process is reduced so as to guarantee stable electric contact between an electrode and the aluminum profile tube.