91results about How to "To achieve a conductive connection" patented technology

The invention provides a connection structure of a flexible-package lithium ion battery module. The connection structure comprises at least two battery cores and a busbar and also comprises an insulated grid plate, wherein the at least two battery cores are arranged in parallel; the busbar is arranged above the battery cores and electrically connected with tabs of the battery cores; the insulated grid plate is arranged below the busbar and fixedly assembled relative to the battery cores; tab via holes are formed in the insulated grid plate, are corresponding to the tabs of the battery cores and are used for the tabs to pass through; the tops, upwards passing through the tab via holes, of the tabs are provided with bent parts which are bent and are in tight contact with the upper side surface of the insulated grid plate; the busbar is provided with a lower side surface, and the lower side surface is connected onto the bent parts of the tabs in a pressed way and welded and fixedly connected with the bent parts of the tabs. Since the whole busbar is downwards connected onto the bent parts of the tabs in a pressed way, during actual welding and assembling, a corresponding crimping tool is only needed to downwards press the busbar, and the busbar downwards presses the bent parts of the tabs, thus, the problem that a tab crimping tool is required to be additionally arranged is solved, the assembly process of the battery module is effectively simplified, and product cost is reduced.

The invention provides a vacuum arc-extinguishing chamber, a contact assembly thereof and current coils used for the contact assembly. The current coils comprise two sub coils which extend in the circumferential direction and are disposed in parallel. Each sub coil comprises an upper coil section and a lower coil section which are arranged in an up-down staggered manner and are electrically connected in series. The two lower coil sections are two one-second turns of coil sections which are symmetrically arranged around a central line of the current coils. Each of the two sub coils is a three-fourths turn of coil section formed by a one-fourth turn of coil section and a one-second turn of coil section. The current of each of two parallel branches formed by the two sub coils flows through the circumferential path of the three-fourths turn of coil section, the current path is short, the integral circuit is relatively small, and the upper and lower coil sections are symmetrically arranged around the center of the current coils, so that the distribution of magnetic fields generated by the current coils is relatively uniform.

The invention provides a vacuum arc-extinguishing chamber, a coil-type contact element and a current coil. The current coil comprises two branch coils extending in the circumferential direction and arranged in parallel. Each branch coil comprises an upper coil section and a lower coil section which are distributed to be staggered in an upper direction and a lower direction and in series conductive connection. The two upper coil sections are two half turning coil sections arranged symmetrically with respect to the center line of the current coil. The two lower coil sections of the two branch coils are two quarter turning coil sections arranged symmetrically with respect to the center line of the current coil. Each branch coil is a three-fourths turning coil section formed by the quarter turning coil section and the half turning coil section. A current in each of two parallel connection branches formed by the two branch coils passes by the circumferential path of the three-fourths turning coil section, the current path is short, the whole circuit is small, the upper coil section and the lower coil section are arranged in central symmetry with respect to the center line of the current coil respectively, and thus distribution of the magnetic field generated by the current coil is uniform.

The invention relates to a transformer tester based on a programmable constant current source. A transformer loading clamp comprises a strip-shaped conductive plate serially connected in a load circuit; and two ends of the strip-shaped conductive plate are electrical connection ends, and the middle part is a transformer loading section coated with an insulated layer. The programmable AC constant current source comprises a constant current source circuit module and a current feedback circuit module, wherein the constant current source circuit module completes AC-DC-AC conversion, through carrying out pulse width control on a DC-AC full-bridge inverter circuit, high-voltage small current is acquired, the high-voltage small current outputted by the constant current source circuit module is subjected to voltage reduction and current boosting via a current boosting transformer to be supplied to a load circuit; the duty cycle D of a pulse width modulation driving signal outputted by a single chip microcomputer control unit to the DC-AC full-bridge inverter circuit is controlled to be 20% to 80%; and the current feedback circuit module is used for detecting the magnitude of the current of the load circuit. The transformer tester based on the programmable constant current source has the advantages of fast response speed, high precision and high detection efficiency.

The invention belongs to the motor field and discloses a motor bearing electric corrosion-prevention structure and a plastic packaging brushless direct current motor. The motor bearing electric corrosion-prevention structure includes a rotating shaft, a first bearing installed at one end of the rotating shaft, a first bearing supporting frame which sleeves the first bearing, an electric conduction cover which is in electric conduction connection with the first bearing supporting frame, an elastic electric conduction assembly which is electrically connected between the electric conduction cover and the rotating shaft; the electric conduction cover sleeves the first bearing supporting frame; the rotating shaft is provided with an extension portion which extends out from the interior of the first bearing supporting frame and extends into the electric conduction cover; and the elastic electric conduction assembly is installed in the electric conduction cover and is elastically connected between the electric conduction cover and the extension portion. According to the motor bearing electric corrosion-prevention structure of the invention, the electric conduction cover and the elastic electric conduction assembly are adopted, so that electric conduction connection between an inner peripheral support and an outer peripheral support of the first bearing can be realized, and potential difference between the inner peripheral support and the outer peripheral support of the first bearing can be eliminated, and electric corrosion of the first bearing can be avoided, and the first bearing can have the advantages of low manufacture cost, high shock resistance and high load capacity.

The invention relates to a laminated thin film solar battery. The laminated thin film solar battery includes a substrate as well as a back electrode, a bottom cell, a top cell and a window layer which are arranged on the substrate sequentially; a tunnel junction is arranged between the bottom cell and the top cell; the tunnel junction includes an n+ type semiconductor layer and a p+ type semiconductor layer; the n+ type semiconductor layer contacts with an n type semiconductor layer of the bottom cell; and the p+ type semiconductor layer contacts with a p type semiconductor layer of the top cell. The invention also provides the preparation method of the above structure. According to the laminated thin film solar battery and the preparation method thereof of the invention, the bottom cell and the top cell are connected with each other through the tunnel junction, so that electric conduction connection between the two cells can be realized, and the adjustment of optical transmittance and electrical resistivity can be facilitated compared with a mechanical lamination mode; the appropriate tunnel junction is adopted to achieve continuous growth of the laminated layers, and therefore, compared with the mechanical lamination method, process steps can be reduced, the reliability of the battery can be improved, the overall efficiency of the battery can be improved, and carrier interface recombination can be weakened.

The invention relates to an active optical cable connector, an active optical cable assembly and a photoelectric conversion unit. The active optical cable assembly comprises an active optical cable and active optical cable connectors arranged at two ends of the active optical cable, wherein each active optical cable connector comprises a connector shell assembly and a photoelectric conversion unit arranged in an inner cavity of the connector shell assembly; each photoelectric conversion unit comprises printed boards and a support part arranged between the printed boards, wherein the printed boards are arranged from front to back at an interval; and a fastening device is used for tightening or clamping the printed boards along the front and back direction, so that the printed boards are separated by dismantling the fastening device when the printed boards need to be repaired in the using process, and individual printed boards can be inspected, repaired or exchanged, thereby improving the repair performance of the active optical cable connectors.

The invention relates to an active optical cable assembly and an active optical cable connector. The active optical cable connector comprises a connector shell assembly and a photoelectric conversion unit arranged in an inner cavity of the connector shell assembly, wherein an electric plug in conductive connection with the photoelectric conversion unit is arranged at a front end of the active optical cable connector; a stop structure is arranged in the inner cavity of the connector shell assembly in front of the photoelectric conversion unit; a pressing structure in the inner cavity of the connector shell assembly is used for pressing the photoelectric conversion unit against the stop structure forwards, and the photoelectric conversion unit is clamped and fixed in the inner cavity of the connector shell assembly and is located between the pressing structure and the stop structure; and when the connector is vibrated, the stop structure and the pressing structure bear action force of vibration, so that the conductive connection structure, in conductive connection with the electric plug, of the photoelectric conversion unit is prevented from deforming due to stress, and the problem of conductive failure of the photoelectric conversion unit and the electric plug is solved.

The invention relates to a sound transducer (1) comprising a plurality of single transducers (10), wherein the single transducers (10) have a carrier (12) and a piezoelectrical element (14) with a first electrode (16) and a second electrode (18). According to the invention, the single transducer (10) is adhered to a flexible film (30) in the form of an array, and the surfaces of the single transducers (10) that are not connected to the flexible film (30) are surrounded by an encapsulation material (60) having vibration damping properties. The invention also relates to a method for producing a sound transducer (1) of this type.

The invention provides a bus duct connector comprising a bracket, a pressing strip, a left inclined block, a right inclined block, a left shell and a right shell. The left shell and the right shell are arranged between the left inclined block and the right inclined block. A plurality of middle shells are arranged in parallel between the left shell and the right shell. Contact pieces and elastic spacers are arranged between the shells. The left side of the lower end of the pressing strip is provided with a first inclined plane. The right side of the lower end of the pressing strip is provided with a second inclined plane. The upper end of the left inclined block is provided with a third inclined plane. The upper end of the right inclined block is provided with a fourth inclined plane. The first inclined plane is in contact with the third inclined plane, and the second inclined plane is in contact with the fourth inclined plane. The left side of the lower end of the bracket and the leftinclined block are connected in a leftward and rightward movement way, and the right side of the lower end and the right inclined block are connected in a leftward and rightward movement way. The upper end of the bracket is provided with a downward pressing locking piece. The pressing strip is arranged between the lower pressing locking piece and the inclined block, and the lower pressing lockingpiece is used for driving the pressing strip to move downward so as to drive the left and right inclined blocks to move in the direction close to each other to compress the elastic spacers and enablethe contact pieces to contact with the bus duct copper bar.

The invention relates to an integrated connector for a battery pack and a fuse box circuit breaker module thereof. The fuse box circuit breaker module of the integrated connector for the battery packcomprises an insulating shell which is provided with a fuse installing groove and a circuit breaker connecting groove. The sides close to each other of the fuse installing groove and the circuit breaker connecting groove are provided with notches communicated with the groove ports of the fuse installing groove and the circuit breaker connecting groove. The fuse box circuit breaker module furthercomprises a connection bar which passes through the notches and crosses over between the fuse installing groove and the circuit breaker connecting groove to connect the fuse box and the circuit breaker and a spliced insulator which is spliced with an insulating shell to close the notches. The connection bar is clamped between the insulating shell and the spliced insulator. According to the scheme,the problems that the connector structure is not compact and occupies large space and is unfavorable for miniaturization of the electric vehicle caused by separate arrangement of the fuse box and thecircuit breaker of the connector in the prior art can be solved.

The present invention relates to a handheld machine tool which is provided with at least one cutter driven by an internal combustion engine (2), wherein the internal combustion engine (2) is provided with a crankcase (20) which is at least partially composed of an oil pan (28), wherein the machine tool comprises a housing component (4) which is made of plastic; the oil pan (28) is made of metal and is injected into the housing component (4) of the machine tool; the internal combustion engine (2) is provided with an ignition device which is provided with an ignition module (31). If the ignition module (31) is directly and conductively fixed to the oil pan (28) made of metal, a simple structure of the machine tool can be realized. For manufacturing the machine tool, the invention prescribes that: before injection and packing of the material of the housing component (4) are performed to the oil pan (28), at least one fixing component used for fixing the cutter rack is fixed to the oil pan (28).

The invention relates to an active cable assembly and an active cable connector thereof. The active cable assembly comprises an active cable and active cable connectors arranged at the two ends of the active cable. The active cable connectors consist of electric plugs and photoelectric conversion units in conductive connection with a contact piece of the electric plug; and the electric plugs include electric plug shells extending from front to back. The active cable connectors also include connector shells; and the photoelectric conversion units are arranged in the rear of the electric plug shells and are installed in the inner cavities of the connector shells. Because the photoelectric conversion units are installed in the inner cavities of the connector shells, the dimensions of the photoelectric conversion units are not limited by the electric plugs, so that the photoelectric conversion units with proper dimensions can be set based on practical demands and thus adaptability of the active cable connector can be enhanced.

The invention discloses portable electronic equipment comprising a main body with a notch, a rotating shaft fixedly arranged on at least one wall of a cavity, a rotating body rotatably arranged on the rotating shaft and an input/output interface, wherein the notch extends inwards to form the cavity; the distance from the axes of the rotating shaft to the outer surface of the rotating body is equal to the distance from the axes to the surface of the body with the notch; the input/output interface is arranged on the outer surface of the rotating body; through rotating the rotating body to be in the first state, the input/output interface is hidden at the notch of the main body, and through rotating the rotating body to be in the second state, the input/output interface is exposed at the notch of the main body. Therefore, the input/output interface can be hidden so as to ensure the appearance to be attractive and integral or can be exposed, and thereby, the communication with other electronic equipment can be realized.

The welding torch cable self-rotating device set between the welding torch tail and the cable consists of one rotation body, one conducting connector and one elastic conducting ring. The rotation body has upper end fixed to the cable and upper axial hole for leading out the upper wire feeding hose; the conducting connector has the upper face contacting with the lower face of the rotation body, lower end connected electrically to the welding torch and lower axial hole for leading out the lower wire feeding hose; and the elastic conducting ring connected between the rotation body and the conducting connector. The rotation body may be rotated relatively to the elastic conducting ring to avoid cable twisting for normal welding.

The invention discloses a voice coil motor and a manufacturing method thereof. The manufacturing method of the voice coil motor comprises the steps of providing winding parts, wherein each winding part comprises a support body, and winding columns are arranged on the support body; providing a lower spring, wherein the lower spring comprises at least two spring bodies, and the third connecting position and the fourth connecting position of the support body are electrically connected with different spring bodies of the lower spring respectively; setting a coil on the winding columns of the support body, and enabling the two ends of the coil to be electrically connected with the first connecting position and the second connecting position of the support body respectively; and forming a carrier in an injection molding manner. According to the voice coil motor and the manufacturing method thereof, the coil is electrically connected with the winding parts, and then the winding parts are electrically connected with the lower spring, so that conduction connection between the coil and the lower spring is realized, removal of a varnished wire of the coil is not needed, wire end arrangement by the working staff is avoided, production efficiency is improved and cost is lowered, the problem of exposure of a welding point is avoided, long lasting and firmness of the welding point can be ensured, process difficulty is lowered, and consumption of glue consumable material caused by rubber coating processing can be avoided.

The present invention relates to the field of wires and cables and discloses a connector capable of performing power-on identification, which comprises a first section of connector and a second section of connector, wherein the central positions of the first section of connector and the second section of connector are provided with a through hole capable of penetrating a copper wire; a clamping joint is disposed on the first section of connector; a clamping slot is arranged on the second section of connector; the clamping joint can be inserted to the clamping slot to be fixed; a wire insertingslot is respectively arranged on the end surface where the clamping joint of the first section of connector is located and the end surface where the clamping slot of the second section of connector is located; and the wire inserting slot is used for fixing a copper wire. The connector capable of performing the power-on identification overcomes the problem that the cable connection in the prior art is unsafe and the connection portion is easily detached, avoids the safety hazard at the connection, achieves a seamless connection and prevents electric leakage.

The invention relates to a vacuum arc-extinguishing chamber with a composite contact structure. The vacuum arc-extinguishing chamber comprises: a static contact structure which comprises a static main contact, a static arc contact and a static end corrugated pipe, wherein the static arc contact is movably assembled in the static main contact, and the static end corrugated pipe applies an elastic reset acting force to the static arc contact; and a moving contact structure which comprises a moving main contact, a moving arc contact and a moving end corrugated pipe. The moving arc contact is movably assembled in the moving main contact; and the moving end corrugated pipe applies an elastic reset acting force to the moving arc contact to force the moving arc contact to move towards the static arc contact. The static end corrugated pipe and the moving end corrugated pipe are utilized to enable the static arc contact and the moving arc contact to move relative to the corresponding main contacts, and the protruding amount of the two arc contacts relative to the main contacts is offset by the two arc contacts, so compared with a scheme for offsetting only depending on the movement of the static arc contact, the scheme using the two arc contacts to act can effectively reduce the moving distance of the static arc contact, reduce the overtravel condition of the vacuum arc-extinguishing chamber and lower the requirement for the installation place of the vacuum arc-extinguishing chamber.

The invention relates to a top cover structure of a power lithium ion battery. The top cover structure comprises a top cover plate, a liquid injection hole arranged on the top cover plate, an explosion-proof hole, a first electrode column and a second electrode column, wherein the first electrode column and the second electrode column respectively penetrate through the top cover plate and fixed onthe top cover plate, the first electrode column is electrically connected to the top cover plate, the second electrode column and the top cover plate form insulating connection, the second electrodecolumn is provided with an electrical connection sheet electrically connected to the second electrode column, the top cover plate is further provided with a temperature sensitive switch, the temperature sensitive switch is electrically connected to the top cover plate, the temperature sensitive switch is electrically connected to the electrical connection sheet when the temperature of the top cover plate is equal to or higher than a preset temperature, and the temperature sensitive switch and the electrical connection sheet form broken circuit assembly when the temperature of the top cover plate is lower than the preset temperature.

The invention relates to an active optical cable connector and an active optical cable assembly using the same. The active optical cable connector comprises a connector shell assembly and a photoelectric conversion unit arranged in an inner cavity of the connector shell assembly, wherein a stop structure is arranged in the inner cavity of the connector shell assembly in front of the photoelectric conversion unit; a pressing structure for elastically pressing the photoelectric conversion unit against the stop structure is arranged in the inner cavity of the connector shell assembly behind the photoelectric conversion unit; and the photoelectric conversion unit is elastically pressed in the inner cavity of the connector shell assembly by the pressing structure. According to the connector, the problem that the photoelectric conversion unit cannot be dismantled due to use of mucilage glue is solved; and the photoelectric conversion unit is elastically pressed, and elastic floating force can be provided when the connector is vibrated and the photoelectric conversion unit moves in the inner cavity of the connector shell assembly, so that impact and collision of the photoelectric conversion unit and the connector shell assembly are avoided and the reliability of the connector is improved.

The invention discloses an LED (light emitting diode) lamp utilizing a recycling metal beverage can as a radiating substrate. The LED lamp comprises a lamp head, a lamp cup body, a circuit board on which an LED and a lamp shade are arranged, wherein the lamp head is fixedly connected with one end of the lamp cup body through an insulated plastic shell; the lamp shade is fixedly connected with the other end of the lamp cup body; and the circuit board is connected to the lamp cup body and is accommodated in a cavity surrounded by the lamp cup body and lamp shade; and the recycled metal beverage is directly taken as the lamp body, one end of the metal beverage can serve as a metal installation face connected with the circuit board, the circuit board is copper base plate, and a copper foil layer of a circuit board substrate is fixedly connected with the metal installation face of the metal beverage can through adhesion agent. The recycled metal beverage serves as the lamp cup body, thus the complete metallization structure of an LED is realized, the radiating performance of the LED is improved greatly, the metal beverage can is recycled, and the requirements of low carbon, environmental friendliness and economical efficiency are reached.