111results about How to "Stable conduction" patented technology

The purpose of the present invention is to provide an electrical connector capable of stable conduction and of minimizing sliding friction as much as possible even when a contact load is small. This electrical connector (1) comprises a male connector (2) and a female connector (3) connected so as to be capable of engaging / disengaging with one another. The male connector (2) is provided with a male tab (11), and the female connector (3) is provided with a housing part (21) into which the male tab (11) is inserted. The housing part (21) is provided with a contact part (30) and a holding part (31) for compressing the male tab (11), and electrically connected to one another. A projection (40) is provided on the contact part (30) and / or the holding part (31). The male tab (11) is provided with a recess (41) capable of accommodating the projection (40). The contact part (30), the holding part (31) and the projection (40) are configured as one component.

A superconducting electric motor includes: a rotor rotatably arranged; a stator arranged in a radial direction of the rotor to face the rotor; and a refrigerator having at least one narrow tube that flows low-temperature refrigerant inside. The stator has a plurality of superconducting coils wound at a radial end portion of a stator core and formed of a superconducting wire material. The at least one narrow tube has a core penetrating portion that is provided to penetrate through the stator core. Alternatively, the refrigerator has a plurality of narrow tubes, and at least part of each narrow tube is provided in the stator core. Connecting portions that are refrigerant supply / drain connecting portions at both ends of each of the plurality of narrow tubes are provided on both axial sides of the stator at opposite sides in a diametrical direction with respect to a rotation central axis of the rotor.

A connection structure for connecting a display module and a printed substrate is provided, which is appropriate for use in mass production of electronic devices such as a cellular phone in which, while a thin mounting is desired, many components have to be mounted on the printed substrate and the display module is required to be mounted in predetermined space on the printed substrate. The liquid crystal module is provided with a pin electrode on an external connection terminal of its COF, and fixed to a housing in a folded state with respective rear surfaces of the COF and a liquid crystal panel facing each other. A holding member for engaging the printed substrate and holding the printed substrate is formed on the housing. When the holding member engages the printed substrate, the liquid crystal module is fixed to the printed substrate, and at the same time, the pin electrode of the COF and a through hole electrode of the printed substrate are electrically connected.

The invention discloses a laser trigger vacuum switch and a trigger system apparatus thereof. The laser trigger vacuum switch comprises a closed housing, a first electrode main member and a second electrode main member. The first electrode main member comprises an arcing electrode, a first electrode flange, a first electrode platform and a focusing mirror. The second electrode main member comprises an arcing electrode, a second electrode flange, a second electrode platform and a target electrode. The trigger system apparatus mainly comprises a computer, a converter, a switch circuit board, a laser and the laser trigger vacuum switch. The laser trigger vacuum switch has a working voltage as high as 30 kV and a working current as high as 500 kA. The problems of difficult trigger high voltage isolation, trigger stability, short service life and the like by use of electric pulses in the prior art are solved, the laser trigger energy can be effectively reduced, and the time delay and jittering of a switch device are improved. The laser of the trigger system apparatus realizes miniaturization completely, a matched laser system is greatly simplified, and a special power supply device, a special water cooling machine and a special laser collimation system are unnecessary.

The invention relates to an electroplating clamp which comprises a main clamp and an auxiliary clamp which are integrated through a pin roll, a main chuck and an auxiliary chuck, a main clamp handle and an auxiliary clamp handle, wherein the main chuck and the auxiliary chuck are opposite to each other and are formed on the front end of the electroplating clamp, the main clamp handle and the auxiliary clamp handle are opposite to each other and are formed on the rear end of the electroplating clamp, an elastic element is arranged between the main clamp handle and the auxiliary clamp handle so that the main chuck and the auxiliary clamp can get close, each of the main chuck and the auxiliary chuck is covered with an insulation jacket, an electrode conduction contact surface is formed between the main chuck and the auxiliary chuck, and the insulation jackets surrounding the periphery of the electrode conduction contact surface form a relatively clamping ring edge. The electroplating clamp has the beneficial effect that electrode conduction is not influenced because a clamp nozzle is isolated from the outside during use, has the advantages of simple structure, long service life and high conduction efficiency, and can fully guarantee the electroplating quality of a circuit board.

[Problems] To provided an adhesive composition for semiconductor that permits handling without an occurrence of cracking or peeling off even when being flexed, that at the time of laminating, permits laminating on the electrode side of a semiconductor wafer provided with bump electrodes of which bump electrodes have a narrow pitch and a high pin proportion, that at the time of dicing, permits a high-speed cutting without any dicing dust contamination or defect, and that facilitates detection of alignment marks at the time of dicing and flip chip assembly.[Means for Solving Problems] There is provided an adhesive composition for semiconductor comprising an organic-solvent-soluble polyimide (a), an epoxy compound (b) and a hardening accelerator (c), wherein per 100 wt parts of the epoxy compound (b), there are contained 15 to 90 wt parts of the organic-solvent-soluble polyimide (a) and 0.1 to 10 wt parts of the hardening accelerator (c), wherein the epoxy compound (b) contains a compound being liquid at 25° C. under 1.013×105 N / m2 and a compound being solid at 25° C. under 1.013×105 N / m2, and wherein a ratio of compound being liquid based on all the epoxy compounds is 20 wt % or more and 60 wt % or less.

A latch relay includes a frame, a bobbin installed in the frame and having a coil wound therearound, first and second yokes provided as magnetic bodies, a rotary mover rotating in a clockwise direction or in a counterclockwise direction between head portions of the first and second yokes, first and second fixed contactors installed to be spaced apart from one another and parallel to each other within the frame, a movable contactor having one end connected to the second fixed contactor, a transmission lever having one end coupled to one side of the rotary mover to make a vertical movement, a support member fixedly installed on one side of the transmission lever, and an elastic member providing contact force such that the movable contactor is brought into contact with the first fixed contactor or separated from the first fixed contactor, while moving according to a movement of the transmission lever.

The invention discloses a preparation method of a positive electrode of a lithium battery. According to the method, modified lithium nickel manganese oxide is adopted as a positive active material, so that the chemical stability is good, the capacity is high, the positive electrode can be well matched with an aqueous electrolyte; the reaction rate of side reaction is suppressed; the resistance of the overall positive electrode can be reduced by a conductive agent; and meanwhile, a conductive path among positive active material particles is strengthened. The material of a positive current collector is selected from one of a carbon-based material, a metal or an alloy. The carbon-based material is adopted as the positive current collector for the method, so that the positive electrode can play a role in stably collecting and conducting electrons in battery charging and discharging processes, and does not participate in battery reaction; and stable performance of the battery is ensured.

The present invention discloses a wiring connection device for a pin slot segmented busbar in a generator set. The structure of the wiring connection device comprises: a rotor shaft cap, a collector plate socket, pin segment slots, an interlocking frame ring, a busbar tube, an electromagnetic coil barrel, and a fin heat sink cover; the rotor shaft cap is nested inside the hub of the collector plate socket; there are two pin segment slots, and the pin segment slots are closely attached to the right side of the collector plate socket; and the pin segment slots are electrically connected with theelectromagnetic coil barrel through the collector plate socket. According to the technical scheme of the present invention, the ratchet shaving ring is matched with the wiring hemispherical cap, theinsulating shell of the busbar tube is scraped off by the triangular shaving blade through the upper and lower parts of the ladder frame plate holding out against the inner van frame ring, the penetration of the copper screw into the rubber square tube to contact the solder ball cap of the dome cavity is facilitated, contact points of the multi-angle circular section are formed, the busbar circuitcan be directly connected and convenient segmentation can be achieved, a low-cost segmented wiring effect can be achieved, looseness during maintenance can be avoided, and the connection effect of the contact ball cap guiding the segment pins can be achieved.

A mounting board of the invention includes: an insulative base; a plurality of first conductive elements provided on the insulative base and having lands; a plurality of second conductive elements disposed on the lands; a plurality of solder pieces each disposed on each of the second conductive elements; and an electronic component which includes electrode sections each contacting each of the solder pieces, wherein the first conductive elements are made from a first element that contains at least silver; the second conductive elements are made from a second element that contains at least copper; and the solder pieces are made from a third element that contains at least tin.

The invention relates to a mold motor. A stator (3) comprises leads (14) connected with a coil (32), terminals (12) connected with the leads (14), and a terminal holder (11) for keeping the leads (14) and the terminals (12) and fixed on insulating members (34). A pair of mutually-opposed sides (11m,11n) of the terminal holder (11) comprises a first lead holding groove (11b) and a second lead holding groove (11b) for inserting the leads (14). One end part of the leads (14) is configured in the first lead holding groove (11b). The insulating members (34) has walls (37) covering the first lead holding groove (11b).

The invention discloses a tree-root-like anchor rod and an installation method. The anchor rod comprises a main anchor rod and a sleeve body; one end, extending into soil mass, of the main anchor rod is fixedly connected with a fixed sleeve; the fixed sleeve is sleeved with a movable sleeve; the movable sleeve is sleeved with a spring; the spring is compressed and fixed between the fixed sleeve and the movable sleeve; the lower end of the fixed sleeve is fixedly connected with a base sleeve; an outward openable strut section is arranged between the movable sleeve and the base sleeve, and two ends of the strut section respectively prop up the movable sleeve and the base sleeve; and a clip strip which can clamp the movable sleeve and the base sleeve is arranged at the outer wall of the movable sleeve in a penetrating and inserting way, strain gages are attached to the outer wall of the movable sleeve and the inner wall of the sleeve body inlaying into the soil mass, the clip strip and the strain gages are all connected with a control device, and a wire ring is twined on the clip strip. The elongation of the anchor rod is increased, thus the anchor rod can adapt to sudden disaster, can automatically monitor the deformation of an anchorage body and implements an emergency response so as to effectively prevent the anchorage body from falling off from the soil mass.

An adhesive composition for semiconductor containing an organic-solvent-soluble polyimide (a), an epoxy compound (b) and a hardening accelerator (c), wherein per 100 wt parts of the epoxy compound (b), there are contained 15 to 90 wt parts of the organic-solvent-soluble polyimide (a) and 0.1 to 10 wt parts of the hardening accelerator (c), wherein the epoxy compound (b) contains a compound being liquid at 25° C. under 1.013×105 N / m2 and a compound being solid at 25° C. under 1.013×105 N / m2, and wherein a ratio of compound being liquid based on all the epoxy compounds is 20 wt % or more and 60 wt % or less.

A coaxial connector and a method for providing a normal force in an electrical connector. The coaxial connector includes a first terminal having a first contact portion and a second terminal having a second contact portion. Before an external device is inserted into the coaxial connector for the first time, the first contact portion and the second contact portion form a first relative positional relationship. After the external device is disengaged from the coaxial connector, the second contact portion urges against the first contact portion upwards to form a third relative positional relationship. The third relative positional relationship is different from the first relative positional relationship.

An electrical connector connecting a male connector and a female connector in a freely engageable and detachable manner includes, a male tab is provided at the male connector; a housing part where the male tab is inserted is provided at the female connector; a contact piece and a beat piece to hold and press the male tab to enable electrical connection are provided at the housing part; and a protrusion is provided at least at one of the contact piece and the beat piece, and a recessed part capable of accepting the protrusion is provided at the male tab, wherein the contact piece, the beat piece, and the protrusion are constituted to be one component.

A substrate of the present invention is provided with: a laminated wiring board wherein a conductive layer is formed; a through hole penetrating the laminated wiring board; a through hole plating (7)electrically connected to the conductive layer; and a metal piece (10) disposed on the inner side of the through hole plating (7). In the side surface of the metal piece (10), a protruding section (8)directly in contact with the through hole plating (7), and a separated section (9) at a position separated from the through hole plating (7) are formed, and a space surrounded by the separated section (9) and the through hole plating (7) is covered with a metal plating film (13), and the inside of the plating film (13) is filled with a filling material (14).

The invention relates to an automobile LED headlamp which comprises a base plate, LED chips arranged on the base plate and a fixed heat conduction barrel; the base plate is a metal plate subjected to electric heating separation treatment; the two side faces of the base plate are printed with circuits, and the circuits are connected with the LED chips; the thickness of the base plate is 0.8-2 mm, the two sides of the base plate are each provided with a heat conduction copper plate, and the heat conduction copper plates are in seamless connection with the base plate; the fixed heat conduction barrel is provided with a fixing hole, and the heat conduction copper plates and the base plate are inserted into the fixing hole. By means of the design manner, the traditional manner of automobiles that two base plates provided with LED chips are assembled back to back is avoided, and the thickness of the base plate can be reduced so that the light pattern generated by the LED chips can be close to that of a traditional halogen lamp.

The invention discloses a weak current system wire connector, and the connector comprises a power connection end, an end replacement box and a first heat dissipation block; the bottom of the power connection end is fixedly connected with a fixed plate, and the bottom of the fixed plate is fixedly connected with the end replacement box through screws; and the bottom of the end replacement box is fixedly connected with the first heat dissipation block. The invention relates to the technical field of wire connectors. According to the weak current system wire connector, the fixed plate is arrangedat the bottom of the power connection end, and the power connection end can be detached from the end replacement box through the screws, so that the power connection end is convenient to replace, thereby solving a problem that an electric connection copper pin is liable to be bent when the wire connector is in use and the head of the wire connector cannot be stably buckled. By fixedly connectinga rubber sealing ring to the top of the end replacement box and fixedly connecting a magnetic sealing ring to the top of the power connection end, the problems that water easily enters the power connection end of an existing wire connector, the safety accidents are easily caused in the using process and a circuit is easily short-circuited are solved.

The invention relates to an electrochemical reactor for continuous copper electrodeposition at high current densities with copper sulfate electrolytes, which comprises devices and systems of functional means that are linked and operated in line, thereby forming a “triad”, for standardising operational conditions in a series of operative parallel reactors. The triad, installed in each existing or new electrolytic container, comprises: a gentle electrolyte agitation system (AGSEL) with means for pulsing control of the aeration volume diffused by bubbling directed into each inter-cathodic space; a “duo” of systems linked in line, which comprises a system of removable anode covers (CAR) for containing, confining and coalescing the acid mist; and an acid mist recycling system (SIRENA) that captures non-coalesced electrolyte aerosols and condenses the steam, returning same to the process, while the pollutants of the gaseous fluid from the reactor are substantially diluted.

To provide a thermal switch capable of reducing conduction resistance and having a high reliability. The thermal switch has a housing 1, a fixed contact 3 arranged at the inner bottom of the housing, a bimetal piece 5 which has a reversing part 5a capable of reversing according to temperatures and in which a movable contact 6 for contacting and separating from the fixed contact 3 is fixed at one end side, and a fixed terminal 4 to which the other end side of the bimetal piece 5 is fixed in cantilever form by being overlapped and which is arranged at the inner bottom of the housing 1. Projected parts 6a, 6b are provided at the contact face opposed to the movable contact 6 or the fixed contact 3, and when the movable contact 6 inclines at the swinging movement of the bimetal piece 5 immediately before reversing, the movable contact 6 is made to incline with the vicinity of the projected parts 6a, 6b as a fulcrum.

The invention provides an illumination driving circuit which is coupled between an alternating circuit input and a non-resistiveness light-emitting load. The illumination driving circuit comprises a light-dimmer module, a rectifier module, a fixed leakage circuit and a pulse leakage circuit. The light-dimmer module is coupled with the alternating circuit input to generate a periodical drive signal, and the periodical drive signal comprises a plurality of periodical drive pulses. The rectifier module rectifies the periodical drive signal and sends the rectified periodical drive signal to a positive pole side of the non-resistiveness light-emitting load. The fixed leakage circuit continually draws a continuous leakage current from the positive pole side of the non-resistiveness light-emitting load in the duration of the drive pulses. The pulse leakage circuit transiently draws a pulse leakage current from the positive pole side of the non-resistiveness light-emitting load at trigger time points of the drive pulses.

A capacitance-detection pressure switch and pressure sensor that, in the connection between a diaphragm used as one electrode and a signal line for detecting a signal from the diaphragm, can ensure stable conduction without exerting an influence on operating characteristics of the diaphragm. A capacitance-detection type pressure switch of the present invention includes a metallic diaphragm that is displaced in response to a change in pressure of an operating medium supplied from a conduit, a movable electrode connected electrically to the diaphragm, a fixed electrode provided at an atmospheric pressure side of the diaphragm opposing the conduit, and an insulating film ensuring insulation between the fixed electrode and the diaphragm, wherein an electrode contact portion for connection to the movable electrode is formed as at least one projection extending toward an exterior on a part of the outer periphery of the diaphragm.

The invention provides an intelligent dehydration device for corrugated paper production which comprises a bottom plate, supporting beams, a transverse plate, supporting rods, a corrugated paper waterabsorption frame structure, an auxiliary extrusion drying frame structure, a corrugated paper extrusion water outlet frame structure, a rotary cleaning frame structure, a support, a cross beam, a transmission roller, a conveying belt, driving motors, a rotary motor and a control box. The supporting beams are welded to the left side and the right side of the upper part of the rear end of the bottom plate; the transverse plate is connected to the upper parts of the front ends of the supporting beams through bolts; the supporting rods are in bolted connection to the left side of the upper part of the bottom plate; and the corrugated paper water absorption frame structure is arranged on the upper parts of the inner sides of the support rods. The intelligent dehydration device for corrugated paper production provided by the invention has the beneficial effects that through the arrangement of a rolling roller, the conveying belt and sponge mats, the rolling roller drives the conveying beltto rotate to guide corrugated paper to move leftwards, meanwhile, the sponge mats can absorb residual water in the corrugated paper, so that secondary dehydration of the corrugated paper is facilitated, the residual water in the corrugated paper is sucked out, and a dehydration effect of the equipment on the corrugated paper is improved.

The purpose of the present invention is to provide a shift register circuit and a display panel that appropriately control the back-gate voltage of a transistor using a simple configuration at low cost. Each of a plurality of shift register (SR) in a shift register circuit (1) includes an output circuit (100), a charge-discharge circuit (200), a first power supply terminal (S2) for supplying the charge-discharge circuit (200) with a constant voltage, and at least one back-gate voltage generation circuit (300). The output circuit (100) or the charge-discharge circuit (200) includes at least onetransistor (Q1) having a back-gate electrode. The back-gate voltage generation circuit (300) includes a back-gate node (N2). The back-gate node (N2) is connected to the back-gate electrode of the transistor (Q1). The back-gate voltage generation circuit (300) changes the voltage of the back-gate node (N2) in accordance with the voltage of the gate electrode of the transistor (Q1), and the first power supply terminal (S2) supplies the back-gate voltage generation circuit (300) with a drive voltage.

The invention belongs to the field of oil and gas well fracturing, and discloses a clustering selective firing bridge shooting combined operation perforating module. The perforating module comprises aplurality of perforators and a plurality of detonator bins, and the perforators and the detonator bins are sequentially connected in a staggered mode; each perforator comprises a perforator shell, abullet carrier, a bullet carrier positioning device, a bullet carrier supporting device and a detonating cord, each detonator bin comprises a detonator bin shell and a detonator, and a contact pin isarranged at one end of the detonator. The wire-free design of the whole perforating module is achieved through a disc-shaped contact, the bullet carrier positioning device, the bullet carrier supporting device and the contact pin, the step of connecting wires inside a perforator, between the perforator and the detonator and between the detonator and a through wire when the bridge shooting combinedoperation perforating module is assembled on site is omitted, then the operation steps are simplified, the assembling efficiency is improved, the safety of the whole process is guaranteed, a side hole is not needed, and therefore the sealing aging is improved.

The invention provides a scanning circuit, an organic light-emitting display device and a driving method of organic light-emitting display device. The scanning circuit comprises a first driving circuit, a second driving circuit, an output unit and an isolating transistor, wherein the first driving circuit is used for generating a first-stage voltage according to signals of a first input end, a second input end, a third input end and a first power supply; the second driving circuit is used for generating a second-stage voltage according to the first-stage voltage and signals of a second input end and a second power supply; the output unit is used for generating an output signal according to the first-stage voltage, the second-stage voltage, the first power supply and a signal of a third input end; and the isolating transistor is connected between the first power supply and the output unit. According to the scanning circuit, the problems that the power consumption of the organic light-emitting display device is increased due to a relatively large leak current between the first power supply and the output signal is overcome.