摘要:
A conductor-equipped conductive thin film sheet 1 includes a conductive thin film sheet 2 and a metallic piece 8. The conductive thin film sheet 2 is composed of a conductive layer 4 and an insulating layer 7. The metallic piece 8 is superposed on the insulating layer 7 and is partially bonded to the conductive layer 4 by ultrasonic welding. In this configuration, when the sheet is wound around an electric wire, noise can be surely dissipated. A shield harness using the conductive thin film is also disclosed.
摘要:
The cable-enrolling conductive thin-film sheet 1 consists of a conductive thin film 2 and an insulated cable 3. The conductive thin film 2 has a conductor layer 4 and first and second insulating layers 5, 6. The first insulating layer 5 is laminated on one face of the conductor layer 4, while the second insulating layer 6 is laminated on the other face of the conductor layer 4. The insulated cable 3 has an electrically conductive core wire 10 and an insulating sheath 11 covering the core wire 10. The insulated cable 3 laid on the first insulating layer 5 is partially welded to the sheet 2 by ultrasonic welding to obtain the cable-enrolling conductive thin-film sheet 1. The first insulating layer 5 is welded to be secured to the sheath 11, and the conductor layer 4 is mechanically connected to the core wire 10 by the ultrasonic welding.
摘要:
A flat shield harness includes a flat harness including a plurality of first conductive cores arranged in parallel and an insulating cladding which clads the first conductive cores; a thin film sheet having a thin film conductive layer; and an electric wire including a second conductive core and a second cladding which clads the second core. The thin film sheet is wound around the outer periphery of the flat harness with its ends superposed in a width direction of the flat harness, the electric wire is superposed on the ends, and the conductive layer at the ends of the thin film sheet at the ends is bonded to the second core. In this configuration, the flat shield harness can surely dissipate externally the noise which is about to invade the core of an electric wire and suppress an increase in the cost in the wire harness to be assembled.
摘要:
The present invention provides a joining method of metal plates, which can connect two metal plates without a projection in a surface of the metal plates and a gap, and a joined unit having metal plates which are connected without a projection in a surface of the metal plates and a gap between the metal plates. The joined unit has a pair of metal plates. One of the metal plates has a hole, and another metal plate has a projection having a height less than a thickness of the one of the metal plates. The projection passes through the hole, the one of the metal plates is placed on the other of the metal plates each other, and a central part of an end surface of the projection is crushed in the hole. Thereby, the metal plates are joined to each other, and the joined unit can be provided.
摘要:
[Problem] To provide a metal connecting method and a metal connecting device to prevent a shot-circuit between the core wire and the shield portion by preventing the insulating inner coat from melting, and to surely connect the shield portion and the conductive member to each other.[Means for solving problem]The ground terminal 4 is wound around an outer periphery of the coaxial cable 3. A portion of the ground terminal 4 wound around the coaxial cable 3 is clipped between the pair of electrodes 11, 12. While the pair of electrodes 11, 12 is pressed in a direction close to each other, a current is applied to the pair of electrodes 11, 12. The current of a predetermined current value is applied for a predetermined time so that the insulating outer coat 34 is heated more than the melting point of the insulating outer coat 34, the braided wire 33 and the ground terminal 4 are connected to each other, and the insulating inner coat 32 is heated less than the melting point of the insulating inner coat 32.
摘要:
The object is to provide a method of connecting covered wires mutually which can solve increasing cost. Each of the covered wires 2, 3 is comprised of a conductor 4, 10 and a cover 5, 11. The covered wires 2, 3 are connected to each other by ultrasonic welding. An ultrasonic welding machine includes a chip and an anvil. The covered wires 2, 3 are placed between the chip and the anvil. The chip is located with the length of its cross section disposed along the length of the other covered wire 3. The chip and the anvil are pushed toward each other and the chip is vibrated. Friction heat is generated between the covered wires 2, 3. The covers 5, 11 are adhered together and the conductors 4, 10 are bonded to each other by ultrasonic welding.
摘要:
In a first metal plate 10 in which a first hole 16 is formed, a second metal plate 12 in which a second hole 18 is formed and a third metal plate 11 which is sandwiched between the first metal plate 10 and the second plate 12 and in which a third hole 17 is formed, a first protruding portion 13 is provided integrally with the first metal plate 10, and a second protruding portion 14 is provided integrally with the third metal plate 11. The first protruding portion 13 extends from part of an end face of the first metal plate 10 which defines the first hole 16 and is bent towards the third metal plate 11 so as to fit into the third hole 17. The second protruding portion 14 extends from part of an end face of the third metal plate 11 which defines the third hole 17 and is bent towards the second metal plate 12 so as to fit into the second hole 18. Metal joined portions 19 are formed in which the first protruding portion 13 and the end face of the third metal plate 11 which defines the third hole 17 are joined together and the second protruding portion 14 and the end face of the second metal plate 12 which defines the second hole 18 are joined together. The first metal plate 10, the second metal plate 12 and the third metal plate 11 are stacked one on another. The first protruding portion 13 has the same shape as that of the second protruding portion 14 and is stacked on the second protruding portion 12.
摘要:
A miniaturized metal joint body and an apparatus for manufacturing the metal joint body to be improved about strength are provided. By cutting three overlapped metal sheets along a first cutting line and a pair of second cutting lines extending so as to intersect the first cutting line at each end of the first cutting line and pressing areas surrounded with the first cutting line and the pair of second cutting lines and each of a pair of bending lines connecting both ends of the pair of second cutting lines, each of the pairs of projecting members is formed so as to project in a pressing direction of arrow Z.
摘要:
It is an object of the present invention to provide a composite metal sheet having remarkably enhanced electrical property and reliability, a method for preparing the same composite metal sheet, and a device for preparing the same composite metal sheet. Specifically, the present invention provides a composite metal sheet produced by joining two metal sheets together, comprising: a projection formed by cutting the two metal sheets along a cutting line and pressing an area surrounded by the cutting line and a reference line in the two metal sheets, with the two metal sheets overlapping each other, with the reference line remaining uncut, with the cutting line extending from and communicating with both terminals of the reference line while forming a predetermined shape together with the reference line, and with the projection formed at one portion of the area in response to pressure applied to the area; hole generated by forming the projection in the two metal sheets; and a joint disposed between an outer peripheral cutting face of the projection and an inner peripheral cutting face of the hole.
摘要:
A high-side variable current source and a high-side transistor are provided in series between a supply power terminal of a control circuit and a gate of a switching transistor. A low-side variable current source and a low-side transistor are provided in series between the gate of the switching transistor and a ground terminal. A slew rate controller controls the current value of at least one of the high-side and low-side variable current sources according to the state of a setting terminal. A switching power supply device has a plurality of output transistors connected in parallel with one another and a controller that generates control signals turning on and off the output transistors at a predetermined frequency so as to generate a desired output voltage from an input voltage and supply the output voltage to a load. The controller determines which output transistor to drive according to the magnitude of the load.