11 results about "Cylindrical conductor" patented technology

The invention provides a connector capable of stably holding a cylindrical conductor in a housing hole by ensuring a press-in distance while suppressing an increase in the amount of material for forming a housing to a small extent. A connector (10) according to one aspect of the present invention is provided with: a housing (11) having a housing hole (15); and an outer conductor (21), which is a cylindrical conductor and is received in the receiving hole by being press-fitted. The housing hole of the housing has an inlet end portion (15a) and an outlet end portion (15b), the inlet end portion (15a) being one of the two axial end portions of the housing hole, and the outlet end portion (15b) being the other of the two axial end portions of the housing hole. The outer conductor is inserted into the receiving hole from the inlet end. The outer conductor has a press-fit protrusion (33) protruding toward the outer peripheral side. The outer conductor is fixed to the receiving hole by the press-fitting protrusion being recessed into the inner peripheral surface of the receiving hole. The housing hole (15) has an extension portion (17) that extends from the outlet end portion (15b) to the outside in the axial direction of the housing hole (15). The press-fit protrusion (33) is recessed into the extension (17).

This utility model relates to the field of circuit breaker technology, specifically disclosing a low-voltage distributed photovoltaic miniature circuit breaker, including a circuit breaker body and a guide rail. The clamping components include an integrally formed end plate and a flat plate. The end plate has a through hole in the middle for connection with a fixing bolt. The bottom surface of the flat plate is slidably engaged with the top and bottom surfaces of the circuit breaker body. A semi-cylindrical shell is located at the front of the lower side of the two semi-circular grooves on both sides of the middle of the bottom surface of the flat plate. A cylindrical conductor is located near the rear end of the semi-cylindrical shell. The wire end shell with an opening in the wall includes a conductive column shell and front and rear conical shells connected to the front and rear ends of the conductive column shell. A semi-circular groove and a semi-conical groove are respectively located on both sides of the middle of the top and bottom surfaces of the circuit breaker body. An arc-shaped conductive sheet is nested near the rear end of the semi-circular groove. Screw holes are located at the top and bottom of the front wall of the circuit breaker body. This design effectively solves the problems of inconvenient wiring and lack of terminal protection structure in low-voltage distributed photovoltaic miniature circuit breakers.

The utility model relates to the technical field of electrical connection of a high-temperature gas cooled reactor, and discloses a terminating structure for connecting an electrical penetration assembly, which is characterized in that a flat and straight surface arranged on a semi-cylindrical conductor is attached to a flat and straight surface of a semi-cylindrical structure on a binding post of the electrical penetration assembly, and the semi-cylindrical conductor and the binding post are connected through a first fastener; one end of the transition section is connected with the semi-cylindrical conductor, and the other end is connected with the flat section; the flat and straight faces of the two wiring noses are attached to the flat and straight faces of the two sides of the flat plate section respectively, and the wiring noses and the flat plate section are connected through second fasteners. According to the invention, the semi-cylindrical conductor is attached to the flat and straight surface of the semi-cylindrical structure on the binding post of the electrical penetration assembly, and the flat and straight surfaces of the two wiring noses are respectively attached to the flat and straight surfaces of the two sides of the flat plate section, so that the contact area of wiring is increased, the two wiring noses are reliably arranged, and the risk of heating and burnout of the terminating part is remarkably reduced.

This invention discloses a female terminal that can suppress the enlargement of the female terminal and cope with the increase in current, and can also suppress the risk of deformation when manufacturing the contact spring part. The female terminal (10) includes: a main body part (20) having a connecting part (16) that is conductively connected to other components and a hollow cylindrical conductor part (18); and a contact forming part (22) conductively assembled to the cylindrical conductor part (18), the cylindrical conductor part (18) having a male terminal insertion port (26) opening towards one end, and the contact forming part (22) having: a frame part (52) assembled to the inner surface of the wall part (30, 32, 34, 35) of the cylindrical conductor part (18). 36); and the contact spring part (54), which is held in the frame part (52), protrudes toward the inside of the frame part (52), and is pressed against the male terminal (12) inserted from the male terminal insertion port (26). The welding part (80) provided on the outer surface (64) of the frame part (52) of the contact forming part (22) overlaps with and is welded to each other with the welding part (38) provided on the inner surface (36) of the wall part (30, 32, 34, 35) of the cylindrical conductor part (18) of the main body part (20).

The present invention relates to a portable device and method for restoring the cylindricity of a generator conductor. In particular, a method for restoring the cylindricity of a generator conductor, in particular a turbine generator conductor, wherein the conductor is a cylindrical conductor coupled to a first stator bar joint of a generator; the method comprising the steps of: a) providing a portable device provided with a turning tool; b) releasing the coupling between the first stator bar joint and the conductor; c) coupling the portable turning device to the conductor, wherein the conductor is still coupled to the generator; d) turning the conductor.

The present invention provides a gas-insulated switchgear in which energization is sufficient at a portion that moves while in a contacting state.　This gas-insulated switchgear comprises: a first movable contact (19) which is provided in the interior of a movable-side cylinder conductor (17), contacts a movable-side rod (21), is electrically connected to the movable-side rod (21), and moves in a contact / separation direction together with the movable-side rod (21); and a second movable contact (20) which is provided in the interior of the movable-side cylinder conductor (17), contacts the inner surfaces of the first movable contact (19) and the movable-side cylinder conductor (17), is electrically connected to the first movable contact (19), and moves in the contact / separation direction together with the movable-side rod (21) and the first movable contact (19) while contacting the movable-side cylinder (17).

The present invention discloses a female terminal capable of suppressing or preventing separation of a contact pressure application spring from a contact spring part with a small number of components and a small number of assembly man-hours.　A female terminal 10 includes a body part 18 having a cylindrical conductor part 16, and a contact forming metal fitting 20 assembled to the cylindrical conductor part 16. The contact forming metal fitting 20 includes a front assembly part 36, a rear assembly part 38, and a pair of contact spring parts 42 held on the front assembly part 36. A contact pressure application spring 102 is assembled to each contact spring part 42 for urging the respective contact spring parts 42 in directions approaching each other. A separation prevention piece 44 for preventing separation of the contact pressure application spring 102 is provided at the rear assembly part 38 of the contact forming metal fitting 20 to protrude therefrom. The separation prevention piece 44 allows assembly of the contact pressure application spring 102 to the contact spring part 42 in the contact forming metal fitting 20 before assembly. In an assembled state of the contact forming metal fitting 20, the separation prevention piece 44 is disposed at a separation prevention position S to overlap the contact pressure application spring 102 in projection in the axial direction of the cylindrical conductor part 16.

The application relates to a calculation method of the capacitance between a permanent magnet synchronous motor stator coil and a stator core. N winding coils of the same size arranged side by side in front of the stator core are regarded as ideal cylindrical conductors, one of the conductors and other two conductors adjacent to the one conductor are taken as a model for calculating the capacitance value between a single winding coil and the stator core, and the three adjacent conductors are conductor 1, conductor 2 and conductor 3 in turn. The calculation process comprises the following steps: step 1, calculating the coordinates of equivalent line charges of the three conductors; step 2, calculating the spatial potential distribution in the region x<‑D based on the mirror charge method and the superposition theorem; step 3, calculating the potential on the surface of the conductors; step 4, calculating the capacitance value of the conductor 2 to the stator core in the three-conductor model; and step 5, calculating the total capacitance of the winding to the stator core. The calculation method is simple, and the calculation result can be used as a supplement and a comparison of the calculation result of the commercial software without the need of purchasing and learning the commercial software.

A female terminal is disclosed that can suppress or prevent the detachment of the contact pressure spring from the contact spring portion with a small number of parts and assembly steps. [Solution] The female terminal 10 comprises a main body 18 having a cylindrical conductor portion 16 and a contact forming fitting 20 assembled to the cylindrical conductor portion 16. The contact forming fitting 20 has a front assembly portion 36, a rear assembly portion 38, and a pair of contact spring portions 42 held by the front assembly portion 36. Each contact spring portion 42 is fitted with a contact pressure spring 102 that biases each contact spring portion 42 toward each other. A detachment prevention piece 44 is provided protruding from the rear assembly portion 38 of the contact forming fitting 20 to prevent the detachment of the contact pressure spring 102. The detachment prevention piece 44 allows the contact pressure spring 102 to be assembled to the contact spring portion 42 in the contact forming fitting 20 before assembly, and in the assembled state of the contact forming fitting 20, the detachment prevention piece 44 is positioned at a detachment prevention position S where it overlaps with the contact pressure spring 102 in the axial projection of the cylindrical conductor portion 16.

The application relates to the technical field of electric connectors, and particularly discloses a double-end thread and cone compression electric connector structure and an assembling method, which are used for the connection of two cylindrical conductors and comprise a connector middle body, shafts arranged on the two sides of the connector middle body and coaxially connected with the two cylindrical conductors respectively, and locking assemblies sleeved on the outer cylindrical surfaces of the shafts and used for locking the shafts and the cylindrical conductors; the locking assemblies are arranged in one-to-one correspondence with the cylindrical conductors; the locking assemblies comprise nuts sleeved on the outer cylindrical surfaces of the shafts, outer conical tubes which are sleeved on the outer cylindrical surfaces of the shafts, located on the sides of the nuts away from the connector middle body and cut into two halves, and inner conical tubes which are sleeved on the outer cylindrical surfaces of the shafts and matched with the outer conical tubes. The application can effectively realize the connection between cylindrical conductors made of different materials and avoid the loosening of the cylindrical conductors.

The utility model discloses a connector terminal assembly for heavy current, which comprises a male terminal and a female terminal matched with the male terminal, the male terminal comprises a cylindrical conductor, and the connector terminal assembly is characterized in that the female terminal comprises a circular-tube-shaped conductor, the circumferential tube wall of the circular-tube-shaped conductor is provided with continuous spiral hollow grooves, the inner diameter of the circular-tube-shaped conductor is smaller than the outer diameter of the cylindrical conductor, and the outer diameter of the circular-tube-shaped conductor is smaller than the outer diameter of the cylindrical conductor. A cutting groove which is communicated with or coincides with the front end of the spiral hollow-out groove is formed in the ring wall of the front end of the circular-tube-shaped conductor; when the cylindrical conductor is inserted into the circular-tube-shaped conductor, the circular-tube-shaped conductor is expanded under the action of the spiral hollow-out groove to wrap the cylindrical conductor, so that the inner circumferential surface of the circular-tube-shaped conductor is tightly attached to the outer circumferential surface of the cylindrical conductor to form surface-to-surface contact. Compared with a line contact type matching structure of a male terminal and a female terminal of a traditional connector terminal assembly, the connector terminal assembly of the utility model can effectively reduce the contact resistance, thereby realizing the improvement of the current-carrying capability of the connector on the premise of not changing materials and not increasing the material consumption.