JP2008527703A - Apparatus and method for winding a closed annular core - Google Patents

Abstract

A conventional apparatus and method of this kind is preferably improved in use, in particular so as to avoid the attendant drawbacks as far as possible.
In particular, for manufacturing choke coils or transformers for the KW to MW region, an apparatus for winding a wire such as a metal wire or a metal ribbon around a closed annular core, which is pre-wound first. In an apparatus provided with a winding storage support for winding a wire rod onto an annular core, reel rollers 11, 11 ′, 11 ″ arranged in an annular core alignment mechanism 86 are provided as an annular core alignment means. The annular core alignment surface is geometrically stretched through these separate positions, and the reel-like rollers 11, 11 ′, 11 ″ are selectively located in the first direction X in particular selectively. Configuration that can be changed, and at least one reel-shaped roller 11 can be selectively changed in position independently, particularly in the first direction X, relative to the other reel-shaped rollers 11 ′, 11 ″. Have
[Selection] Figure 32

Description

  The present invention particularly relates to a device for winding a wire, such as a metal wire or a metal ribbon, around a closed annular core, in order to produce a choke coil or transformer for the kilowatt to megawatt range, And then a device comprising at least one winding storage support for winding the wire on the annular core.

High-power annular transformers that can be produced in particular using such a device are, for example, suitable for the distribution of power and are related to so-called oil-filled transformers and dry-type transformers that are currently used as two pillars. And economically advantageous. In fact, in known similar high-power annular transformers, for production, a wire with a hardness corresponding to the circular or ribbon-like cross section that can be used is wound on a pre-manufactured annular core. There are difficulties. A device according to the opening technique for winding a closed annular core for a high-power transformer and a choke coil is known from US Pat. There, the wire is pre-wound on a bobbin roller that passes through the annular core opening with the wire, i.e. on the winding storage bobbin, which is then guided around the annular core to open the opening inside the core. It is intended that the wire be wound and wound on the annular core. The limitation lies in the fact that the size of the bobbin roller, in which the length of the wire is determined, is provided according to the inner cross section inside the annular core. The literature proposes a method of manufacturing a choke coil or transformer having a corresponding conductor cross section for a large capacity, according to which first a spiral first on an annular core cross section with a limited length of reservoir. Windings are provided. Next, in order to provide another winding on the other cross section of the annular core, the annular core and the winding machine are rotated with respect to each other, and then a plurality of windings separated around the circumference of the annular core after multiple windings The winding around the annular core is started using another winding roller so that a star configuration consisting of segments can be formed. This means that a known wire winding machine must be stopped for each other winding roller before a new wire must be installed therein. The reel of wire has a predetermined size, so that the annular core cannot be made smaller than the predetermined size. Further, after winding, adjacent windings or coils must be connected to each other, which can be a source of failure in addition to wasting more time and possibly increasing total copper resistance. The result also shows that. Furthermore, sufficient winding around the annular core cannot be guaranteed, resulting in limitations on, for example, device size, efficiency, etc.
WO / 95/12887

  In view of the above state of the art, the technical problem of the present invention is found as a preferred improvement in use of the device of the kind described at the outset, in particular in order to avoid the attendant drawbacks as far as possible.

  This problem is first and fundamentally solved by claim 1 of the present invention, wherein the winding storage support cuts the annular core alignment surface of the device and can be wound in the device. In the cross section that accommodates the annular profile cross section, the hollow space is surrounded and partially opened in the circumferential direction. This is because, on one side, the winding accumulator support has a relatively large perimeter in cross-section with respect to the annular core profile cross-section, and in this connection eliminates the limitation due to the size of the inner opening of the annular core, For example, a winding storage support for encircling an annular core cross section within the cross section and then unwinding or winding the annular core with the entire cross section, as in the prior art, with its entire cross section This is because it is not necessary to go round and round the opening. The diameter or circumference of the winding reservoir support can be as large as the cross-section relative to the annular core cross-section, for example 2 times, 3 times, or larger. It is an advantage that the storage of a relatively long wire length in the pre-winding support can be stored on the winding storage support, for example even with the wire cross-section or ribbon cross-section required for large capacity transformers. As will become clear. After pre-winding, in which the winding storage support surrounds the cross-section of the annular core, the wire is wound directly or radially inwardly and preferably substantially concentrically around the annular core, with a relatively large cross-section The above-mentioned wire having a is also applied in a preferred manner because of the geometric ratio given by the encircling of the annular core cross section. Preferably, an annular core alignment means can be provided which is suitable for aligning the annular core to which the winding is applied so as to extend into a hollow space in the winding storage support during prewinding or winding. is there. The annular core alignment means is arranged on the outside and / or inside of the winding storage support, and is also particularly suitable for suitably motor driving the annular core in its circumferential direction. As described at the beginning, the circumference of the winding storage support is partially openable or openable with respect to the donut-shaped cross section of the annular core. In such a cross-section of the hollow space present in the winding storage support, a perimeter that can be partially opened or opened is located, and each time it is implemented within the scope of the present invention, the annular core via the winding storage support It is important to understand such perimeters that partially open or fold around the cross section. With respect to a circumference that can be partially opened or opened in cross section, the winding storage support is realized as two or more parts as a device. Through various lengths of reservoirs, which can be considerably longer than conventional winding reservoirs, in various applications, even on thick conductor sections, onto an annular core to form a primary or secondary winding During the winding of the windings, the exchange of the winding reserve is avoided altogether or its frequency is reduced, thus alleviating the disadvantages known in the context of the connected winding segments in the described prior art. Or avoided at all. Preferably, further, an annular core driving means is provided through which the annular core can rotate in the circumferential direction. Preferably, in particular, the annular core drive means comprises three rollers or roller pairs arranged in a triangular configuration in the ring surface of the annular core. At least a single roller or a pair of rollers is variable in position for adjustment with respect to the annular core, or for alignment from the inside or outside of its wall, rotating to drive the annular core to its side It may be connected to the driving means. In connection with the circumferential drive of the annular core, the winding is not simply spirally wound on the annular core from the winding reservoir support, but rather in the desired manner and coiled or helical as required. It is possible to wrap around. In accordance with the present invention, it is necessary to wrap around a closed annular core correspondingly around the desired portion of the circumference of the annular core or the entire circumference of the annular core, in conjunction with a reservoir of length that can be considerably longer. The possibility of winding windings that are achieved even in multiple layers is open. Furthermore, in order to wind a wire around an annular core, it is also possible to provide a winding machine that can rotate a motor around the annular core cross section. This is expediently supported via at least one, in particular a spring or pneumatic or hydraulic means, pressing the wire against this (annular core) in the winding from the winding storage support onto the annular core. It has a possible press roller. Alternatively or in combination, the winding machine has a plurality of, preferably three, bending rollers that bend the wire moving away from the winding storage support in a preferred manner, so that the desired winding around the annular core cross section is achieved. This can be achieved further automatically or, if necessary, aided by a pressing member.

  According to a first preferred embodiment, a winding storage support is provided as a torus-like segment, which segment preferably extends about half with respect to the annular core placement surface, and its core cover is perpendicular to this peripheral direction. It can be opened or partially opened with respect to the cross section located. Furthermore, it is preferred that the torus-like segment has two ring-shaped semi-annular sheaths that are detachable from each other, preferably at a joint that coincides with or is parallel to the ring surface or annular core placement surface. In the detached or opened state, the annular core to be wound is introduced into the chamber inside the semi-annular sheath and then they are interconnected. The annular torus exists as a winding storage support for pre-winding for freely using the wire. Depending on the outer diameter or central diameter of the winding storage support and its circumferential extent in the cross section perpendicular to the circumference of the torus (eg, over a quarter of the circumference, preferably half or three quarters) Thus, a winding storage support suitable for accommodating a considerable length of wire storage is provided. The annular core to which the winding is applied may be aligned, preferably concentrically, in the ring plane and / or in a cross section orthogonal to the hollow torus-like segment. As a result of the concentric arrangement, a ratio that achieves a symmetric, preferably uniform winding, with respect to the cross-section perpendicular to the circumference of the annular core for unwinding or winding the wire from the winding storage support onto the annular core. Achieved. The unwinding or winding of the winding is carried out directly on the annular core, preferably from the hollow torus-like segment, via the winding machine described above, in particular this is done so that the bending radius of the wire continues to decrease. Preferably, the hollow torus-like segment has a sufficiently large hollow cross section to accommodate different annular cores and windings, with respect to the annular core to be wound, which accommodates the cross section of the annular core including the windings wound thereon. The possibility may be determined to be compatible.

  With respect to the first embodiment, a guide unit for guiding the wire to the hollow torus-like segment for pre-winding, the relative position of the wire relative to the pre-bending being relative to the pre-winding radius obtained on the hollow torus. It is more preferable that a plurality of bending rollers that can be adjusted to substantially the same or a substantially large bending radius are provided. In order to process wires with different elastic and plastic properties, the suitability of the guide unit is proposed in this connection, for example by means of bending rollers which can be adjusted relative to one another. Furthermore, it is preferable that the guide unit is adjusted in a direction having a circumferential component of the hollow torus, that is, an annular core alignment surface component or a parallel component, with respect to the supply of the wire to the upper segment of the hollow torus. Then, the wire is entirely bent into a coil shape in advance and guided to the winding storage support or the hollow torus. Suitably, the supply is made out of the tip of the hollow torus-like segment, from itself (segment) onto a spirally pre-bent winding or an annular cover whose free end has a curvature. It is sent out and supplied continuously. Depending on the wire and the content of the prebending, in the prebending, this feeding is automatically performed on the annular torus. Further, if necessary, for example, if the cross section of the wire is thick and / or the restriction on the annular torus-like segment is to be increased, a sliding roller is provided for the annular torus-like segment to assist winding. It may be provided. Further, if necessary, a member for additionally arranging the annular core may be provided in the hollow space of the annular torus segment.

  According to a second preferred embodiment, the winding accumulating support has a plurality of guide members for wires, in particular a plurality of guide rollers assigned to a roller circle, arranged on the circumference, The radial position of the guide member has the possibility of being adjustable via a holding means that can be loosened, in particular via a holding means that can be loosened and moved in a long groove facing the radial direction of the holding surface. Prior to pre-winding of the wire rod to the winding storage support, the winding core is preferably closed, and the annular core has a part of the circumference passing between adjacent guide rollers of the winding storage support. In the hollow space surrounded by the guide rollers, the circumferential portion of the winding storage support is introduced so as to enclose the annular core cross section, which will subsequently be described in more detail in connection with the method according to the invention. Pre-winding may be started. In connection with the apparatus according to the second embodiment, a winding machine used for unwinding or winding the wire around the annular core includes a rotating body having a through hole to surround the annular core cross section, The cross-section surrounding the through hole perpendicularly to the opening axis is designed to open partially or partly to the through hole, in particular half. As in the first preferred embodiment, the winding machine may preferably have motor drive means to achieve rotational movement about the annular core cross section. In the context of a similarly purposeful motor drive means that rotationally drives the annular core in its circumferential direction, it also affects each rotational speed at which the winding is achieved on the annular core at the desired pitch, regardless of the specific embodiment. Alternatively, an electric control means for setting a suitable ratio may be provided.

  Regarding the above rotating body of the winding machine, it can be driven to rotate around the annular core cross-section via the winding unit drive, and the rotating body is pneumatic with respect to the annular core section in the plane of rotation. It is preferable to provide at least one switchable press roller. Preferably, the press roller is mounted on the rotating body off-axis with respect to the rotation axis, and the press roller is switchable via a pneumatic cylinder or lever acting especially on the rotation axis, and is used to store pressure. It is preferred that the matic cylinder has a reverse actuating valve. The wire, i.e. the ribbon or the wire, is thereby wound up spirally or preferably spirally around it under a pneumatic pressure on the annular core via a winding machine. Prior to operation, the pneumatic cylinder is first filled with the desired pressure for each use via the compressed gas pipe, then the compressed gas pipe is removed, and then the pressure of the compressed air in the cylinder is reversed. It is possible to be held constant by the valve. The winding machine can then be driven to rotate the rotating body around the annular core cross section without being hindered, i.e. not restricted by the gas supply. At the end of winding, the pressure in the pneumatic cylinder can be reduced again by the operation of the pneumatic valve so that the press roller leaves the annular core without problems.

  A further aspect which is important within the scope of the invention and possible independent claims is a winding storage support for the device according to the invention having a plurality of guide rollers arranged relative to the roller circle. Concerning the configuration of With this arrangement, it is possible for one or more guide rollers to be connected with guide roller driving means for assisting winding and / or unwinding of the winding reserve. Similarly, in an embodiment having three guide rollers that fall within the frame of the present invention and can be rotated, i.e. not driven, the winding accumulator can be attached to the winding machine or its press roller when unrolled or wound onto the annular core. For each rotation state, a unique and proper circumferential movement with a predetermined inertia is performed in the vicinity of the requested direction, while this circumferential movement may be reduced and improved by driving the motor of the guide roller. The rotating surface of the winding machine is parallel to or identical to the winding storage surface, and the rotating body is entirely or partially inside the winding storage when projected onto the winding storage surface. ,preferable. Since the wire rod is drawn from the radially inner side in the winding storage and supplied to the winding machine, the inner circumference of the winding storage is determined according to the phase position of the press roller that is rotated around the cross section of the annular core via the rotating body. The distance between the wire and the pressing position of the wire in the cross section of the annular core changes depending on time. This is dependent on the time of the piece of wire supplied to the winding machine so that the winding reserve can be rotated in a freely rotatable guide roller for compensation in a self-supporting manner. The length and curvature must be different. Here, the proposed motor drive in turn eliminates or at least reduces the effects of winding reserve inertia. It is also possible for all or only a predetermined part of the guide rollers to be provided with separate drive means, for example electric motors, step motors, etc. However, it could alternatively be a central or so far common drive means. Suitably, the control means, in particular the programming control means and / or the winding unit drive and suitable for achieving the desired, in particular time-varying speed ratio for the winding machine operation and the guide roller operation, and It is also possible to provide a control means for the guide roller driving means. In particular, it is also possible to drive the guide roller not only in different full speeds but also in different directions or different negative signs in a time-dependent manner. Further, the winding unit driving means and / or the guide roller driving means are programmed to control the speed of the driving means for appropriately adjusting the position of the winding wire to the winding machine in a time-dependent manner. It is preferable to provide means for doing this. Therefore, it would be possible for each piece of wire or ribbon extending from the inside of the winding reserve to the winding machine to have a suitable length in adjusting for the time-varying rotational position of the winding machine. A suitable variant is that the control means and / or the adjusting means of the drive means control the speed of the annular core drive means in the desired manner in adjusting the speed of the winding unit drive device and / or the guide roller drive means. It may be in being adjusted to do. In lieu of or in combination with the programming control means, one or more variables that influence the winding, in particular the winding machine, in the case where a suitable characteristic for the speed ratio can be predetermined based on prior experience values Output to the control means and / or adjustment means of the drive means according to the phase position of the winding reserve and / or the annular core and / or the position and passage of the wire between the winding reserve and the winding machine A sensor for generating a signal to be generated may be provided.

  Another aspect, which is of importance as a preferred embodiment within the scope of the invention or within the scope of the independent claims, relates to a winding reserve guide roller assigned to the roller circle. As a result, the rotating shaft of the guide roller is held so as to be changeable in the radial direction of the winding accumulator at the winding accumulator, and in particular, means for generating a spring force for operating the guide roller radially inward is provided. Is possible. Here, under elastic forces, forces generated by, for example, springs and / or by absorbing forces or in a similar manner are inferred. In particular, there is also the possibility of winding or forming the winding reserve from directly inside the roller circle of guide rollers, since the wire is at the outermost position of each of the spiral winding reserves. This is because the guide roller is supplied to a position where the guide roller moves on the outside thereof, and it is also possible here that the guide roller moves radially outward in accordance with an increase in the diameter of the winding storage. The purpose is to provide a guide unit having three rollers, at least one of which is connected to the driving means, for actively feeding the wire to the winding storage support, the rollers being formed by the rollers. They may be assigned to each other such that they pass through a bend through the gap between the two rollers and are further pressed against the drive roller. The formation of the winding reserve on the radially inner side of the guide roller is abandonment of changing the guide roller from the radially inner side to the radially outer side before winding or unwinding from the winding reserve onto the annular core. It has the advantage of making it possible.

  Another aspect of the present invention, which may be important as a preferred embodiment or within the scope of the independent claims, relates to an annular core alignment mechanism of the annular core. Thereby, as the annular core alignment mechanism, the annular core alignment surface is geometrically stretched by being separated from each other, and in particular, there are at least three reel-shaped rollers arranged in the annular core alignment mechanism. Provided, the reel-like rollers are stretched selectively and globally, i.e. at a constant distance from each other, in particular via adjustment of the annular core alignment mechanism, at least in the first direction, in particular by winding reserves. The position of the annular core alignment surface extending from the winding storage surface to be extended can be adjusted in the direction of the cutting line or in a direction parallel thereto, and at least one of the reel-like rollers is independent of the other reel-like rollers. It is possible that the position can be adjusted relative to the first direction. In addition, the reel-like rollers are adjustable in position, ie in a second direction extending in a first direction parallel to or in parallel to the annular core alignment plane at a constant distance from each other. Is also possible. The reel-like roller is mutually in the first direction and / or the second direction relative to the winding machine, ie the device for winding the wire on the reel-like roller, and / or the winding storage support. It is preferable that the position can be adjusted. Furthermore, in order to control at least one of the arrangement driving means for adjusting the overall position of the reel-like roller and the arrangement driving means for adjusting the relative position of the at least one reel-like roller, in particular Memory-programming control means (SPS) or adjusting means may be provided. Said control means or adjusting means preferably achieve or maintain a desired position between the reel-like rollers in which the annular core can be arranged in a winding operation, i.e. in winding the wire around the annular core. And / or may be useful or adjusted to achieve and maintain a desired pressure on the annular core of the reeled roller during the winding operation. The above features provide a series of application possibilities and their advantages, which are described below by way of example, particularly in combination with memory-programming control. Here, the SPS-system may be connected to the rotational drive means and / or the arrangement drive means of the apparatus, in whole or in place, instead of only a predetermined selection. SPS allows for short response times and short alignment times through short cycle times and, for example, servo driven controls that can be provided, for example, for reel roller alignment, even at small machine scales. It offers the additional advantage of being suitable for. Therefore, SPS enables high dynamic characteristics at the same time as high accuracy, and can be used through so-called man-machine interface technology (HMI-technology), and software support means for improving operability. Is useful for SPS and control programming, or panels. Regarding the SPS provided as the control means, individual servo amplifiers used for power control of the servo drive means may be connected via a bus system. Furthermore, a sensor and a safety device for the controlled object, and a hydraulic pressure driving means or a pneumatic driving means provided for each controlled object are considered for use.

  The above control or adjustment is combined with the above alignability or dispositionability of the reel-like roller, and a ribbon material is used as the wire material, and the wire material is wound around the annular core spirally around the winding core. In an important way according to the invention and within the scope of the independent claims, in order to achieve the desired winding pitch, the annular core winding surface is moved laterally, preferably laterally shifted substantially parallel to the annular core. It is possible to be moved along a center line that cuts at the annular surface. Here, as the annular core winding surface, each surface on which the wire is wound on the annular core via a press roller rotating around the annular core section is shown. The adjustment of the annular core wrapping surface possible with respect to the above aspect is preferred because it can provide the desired coil shape, especially when the ribbon material has a large or wide cross section. The above alignment of the annular core wrapping surface with respect to the annular core centerline is accomplished via a suitable alignment adjustment movement of the annular core via the SPS that affects the position drive of the reel-like roller or annular core alignment mechanism. Is possible. Further, for example, one or a plurality of arrangement driving means for adjusting the position of the annular core alignment mechanism in different directions (for example, the X direction and the Y direction), and at least one reel-shaped roller in the table surface Arrangement driving means for adjusting the position relative to the reel-shaped roller may be provided. Alternatively, two arrangement driving means capable of moving the table in two directions in the horizontal plane may be provided for adjusting the position of the annular core alignment mechanism. The alignment of the annular core with respect to the direction perpendicular to the table can be naturally achieved via the guide roller itself, via the contour of the bent cover, etc. As position drive and / or other drive, preferably servo drive can be used. Preferably, the memory programming control means or adjustment means is an annular core drive means, i.e. a drive motor for rotationally driving a reel-like roller used as an annular core alignment means, and / or a winding unit drive device, That is, for example, with respect to the control of the motor for driving the press roller around the annular core cross section and / or the guide roller driving means for winding storage, position drive control for overall or individual position adjustment of the reel-like roller. It may be suitable or adjusted for cooperation with or synchronization with. This is used in the method according to the invention as an annular core alignment means in the winding of the wire around the annular core depending on the circumference of the annular core which is increased by winding or the outer circumference of the winding on the annular core, It is realized that the position of the reel-shaped roller holding the annular core position and / or the desired pressure of the reel-shaped roller with respect to the annular core and the distance between them can be automatically and suitably adjusted. Alternatively or in combination, in winding the wire on the annular core, depending on the circumference of the annular core increased by winding or the circumference of the winding on the annular core, the winding peripheral speed in the annular core winding surface, i.e. In order to keep constant the desired ratio to the speed at which the wire is wound on the annular core in the annular core winding surface, the peripheral speed of the annular core is automatically adjustable in a suitable manner, control or adjustment is realized. The

  Another aspect of the present invention which is important as a preferred embodiment and within the scope of the independent claim is that it can be switched periodically in the winding surface via the switching unit, and is engaged with the winding reservoir from the outside in the radial direction. The present invention relates to a configuration having a winding accumulating press roller that can be switched from the radially inner side to the winding accumulating in the peripheral portion of the guide roller that is rotationally driven. Preferably, the switching unit is an arrangement member, for example, a first pneumatic arrangement member introduced into and removed from the winding storage surface and a second pneumatic means introduced into and released from the inside of the winding storage, preferably Is controllable according to the position of the press roller of the winding machine and / or the signal of at least one sensor for detecting the position or passage of the wire, via memory-programming control or adjustment You may have. Through the winding storage press roller pressed against the guide roller to which the winding storage is rotationally driven, the driving force and the dynamic characteristics of the active winding storage driving means to that extent, the winding storage is the wire rod Peripheral direction with short response time required depending on the geometric ratio and speed ratio of each winding on the annular core and depending on the variable phase position of the press roller It can be improved so that the movement can be achieved. Furthermore, in combination with an active winding storage drive via a winding storage press roller, the wire may bend during the circumferential movement of the wire, especially in the housed inner less stable loop. The risk of damage is avoided. Because the position inside the wire rod from the winding reserve is detected at each predetermined time during the winding process, the winding reserve press roller is required for the winding reserve in the short, preferably short, time required via the switching unit. It is possible to move away from the winding storage surface away from the inner circumference of the wire. After the closest loop or closest position has moved away from the circumference of the winding storage, the winding storage press roller is reintroduced into the winding storage surface and can be newly pressed against the inner circumference of the winding storage. This operation can be repeated in each winding cycle. According to the present invention, at least the guide roller is actively rotated in the winding of the wire from the winding storage having the plurality of guide rollers arranged on the circumference to the annular core. In the winding method on the annular core, which is also important within the scope of the term, in particular, via a memory-programming control (SFS), a winding storage press roller is introduced into the winding storage surface and windings therein Time when the guide roller driven in the radially outer peripheral portion of the reservoir is pressed against the winding reservoir from the radially inner side, and more preferably periodically, the wire is guided to the annular core opening and passes therethrough It is possible to remove from the winding storage surface away from the winding storage surface while switching to the band. In particular, the memory-programming control or adjustment is for synchronization of the winding unit drive and the guide roller drive means, and preferably for adjustment, more preferably, the winding storage press roller presses against the winding storage. It is possible to help to increase the driving speed of the guide roller driving means during a given time period.

  The invention further relates to a method of winding a wire, such as a metal wire, a metal ribbon, etc., around a closed annular core, in particular a method of manufacturing a choke coil or transformer for the kilowatt to megawatt range, wherein the wire is It is pre-wound into a winding reserve and then wound from the winding reserve onto the annular core. A method of this kind is likewise known from US Pat. No. 6,057,059, in which regard further reference is made to the above examples. Starting from here, the task of the present invention is to suitably improve such a method so that the attendant drawbacks are avoided as much as possible. This problem is solved according to the invention first and radically via claim 27, in which the pre-winding of the wire to be wound up is compared to the cross-section of the annular core profile inside the wire. It is contemplated to be realized to form a large hollow cross section and enclose the annular core cross section therein. With regard to the actions and effects provided thereby, please refer to the related examples for the device according to the invention. Preferably, the wire is wound from the winding reservoir radially inward with respect to its central axis, in particular on the annular core while continuously reducing the diameter of the winding. The continuous reduction of the winding radius, i.e. the variation of the winding radius where the spread is lost in the middle of the time, will give a large wire, especially with a cross-section required for use in the kilowatt to megawatt range. For this reason, although appearing as an advantage, the application of such a wire as it has been has been a problem so far, particularly in the context of a closed annular core due to the hardness of the wire. Alternatively or in combination, during unwinding or winding of the wire to or from the winding accumulator or winding accumulator support, the annular core is coiled or spiraled on the annular core in the circumferential direction of the annular core It can be driven continuously so that windings are applied around the shape. In winding, the wire is preferably wound around the circumference of the annular core via a winding machine that rotates around the section of the annular core. Here, in particular, in winding, it is possible that the wire is pressed against the annular core via a press roller provided in the winding machine. Alternatively or in combination, in winding it is possible for the wire to be pre-bent via a bending roller provided on the winding machine and placed on the annular core.

  Preferably, according to a method according to a preferred first variant carried out via a device according to the first preferred embodiment according to the invention, the annular core can be opened in section or partially opened in section. In the hollow space of the winding storage support formed as an upper segment of the hollow torus with a core cover, a part of the periphery can be arranged, especially concentrically, and then the wire is stored and supported by the winding Can be pre-wound on the body. Conveniently, the wire is pre-wound to a bending radius that is small or approximately the same size as the pre-winding radius obtained on the winding storage support before reaching the winding storage support. Can be bent into Further, in the pre-winding, it is preferable that the wire is supplied in a direction having a circumferential component of the winding storage support in order to form a winding storage wound spirally around the winding core.

  With respect to the method according to the second preferred variant, which is carried out via the device according to the second preferred embodiment according to the invention, the wire has a plurality of guide members arranged separately on the circumference, in particular a roller It is possible to pre-wind a winding storage support having a plurality of guide rollers assigned on a circle. After pre-winding, according to the present invention, the guide member or guide roller can be sequentially removed from the inside of the winding reserve and sequentially replaced with respect to the outside of the winding reserve for an alternative support. is there. The winding reserve, i.e. the wire pre-wound on the winding reserve support, can start from the inner free end with respect to the winding reserve support and wrap radially around the annular core directly This also appears as an advantage, especially in the laying of wire conductors with large cross sections, in order to avoid the difficulties otherwise caused by high stiffness. Also, in connection with the method according to the second preferred variant, the pre-winding can be carried out spirally or spirally on the winding reservoir support, if necessary in multiple layers, preferably also in this variant In any case, the pre-winding is realized at least substantially spirally. Preferably, the device according to the second preferred embodiment of the present invention for driving a winding reserve has suitable drive means, and preferably a winding reserve and winding machine to assist winding. It is also possible to have a control device or an adjustment device for setting the ratio of the rotational drive speeds. Correspondingly, in connection with the method according to the second preferred variant according to the invention, the winding reserve is preferably rotationally driven, preferably via a motor, in the winding or unwinding of the wire. It is contemplated that the desired adjustment for the speed at which the machine is driven to rotate will be realized to assist the winding. In the practice of the present invention, each known casting-like annular core is in principle suitable, i.e. an annular core that is particularly bulky or has a so-called winding cross-section. Here, the cross section may be, for example, round or have a polygon or similar shape for each specification. The device or method according to the invention is also suitable for closed annular core alignment, and on the other hand, in principle open, provided with a gap and so on. For the wire rod, materials known to those skilled in the art are considered, and in particular, those having, for example, a round wire cross section or a flat rectangular ribbon cross section are considered. On the one hand, a solid wire, i.e. no insulation coating, is suitable. Here, in order to produce an insulating layer on the annular core, a wire having a generally separate insulating material (eg an insulating ribbon) is preferably wound uniformly on the winding storage support and from there on the whole. It may be wound around the nearest annular core in layers. Furthermore, a wire having an insulating layer or a wire having an insulating coating can be used.

  As a preferred embodiment according to the invention and as another important aspect within the scope of the independent claims, in particular in the method of winding a wire from a winding reservoir to a closed annular core, the wire is wound in multiple layers from the winding reservoir in a spiral shape. Basically, a plurality of layers positioned above and below each other with appropriate alignment accuracy are wound up on the annular core, and the thickness of the cross section is wound at an integral multiple of the cross section thickness of the wire rod in a spiral shape. It is contemplated that at least one wound coil will be formed. Such a method is particularly suitable for wrapping a closed annular core with a conductor having a thick cross section, preferably suitable for coils or transformers for the kilowatt to megawatt range, using one of the devices described above. Yes. A wound coil made by the method according to the invention may have a square or rectangular cross section, for example, whose end length is preferably in the region of mm to cm (e.g. 6-12 cm). The method avoids the difficulties that existed so far in the wrapping of bare or coated wire with a corresponding cross section. These were due to the fact that in order to achieve a high bending force, a correspondingly strong winding device was required. Further, in winding thick conductors, there is a risk of breakage based on large cross-sections, i.e., stresses and tensile forces that appear during peripheral processing, and winding of coated wires with large cross-sections is therefore very expensive. It was. According to the proposal of the present invention in which the wire is wound on the annular core in multiple layers with appropriate alignment accuracy, the wire has a cross-sectional thickness greater than the cross-sectional thickness or contour thickness, in particular at least on a large scale It is preferable that a ribbon material is preferably used. This kind of thin ribbon material made of a conductive material can be suitably deformed, and can be formed into a winding coil having a conductor cross section of a desired thickness by repeating a spiral winding multiple times with a suitable alignment accuracy. is there. When making a square cross section using a ribbon material having a width of 60 mm and a thickness of 0.5 mm, the spiral winding on the annular core is performed 120 turns continuously around the annular core (or similar And a ribbon width of 1 mm in thickness is wound 60 times). In each hoisting rotation to the annular core, the ribbon material is again formed on the spiral winding already provided in the previous rotation with a suitable alignment accuracy in its lateral direction, Is possible. For each selected rotational speed of the annular core as one and the winding machine as the other, a desired number of turns can be achieved over the circumference of the annular core, for example on the order of 10-20 turns. Prior to wrapping the wire around the annular core, in order to achieve layers that are positioned one above the other with at least substantially favorable alignment accuracy, the guide tape is spirally wound along Thus, the guide auxiliary means protrudes radially outward at least in the longitudinal direction and on the sides. The guide tape is preferably made of an electrically insulating material. Through the guide assisting means, the wire, preferably the ribbon, is arranged with suitable alignment accuracy in the lateral direction in winding. An alternative to the guide tape is that the annular core is covered with a hollow torus member that can be opened in cross-section prior to winding, and the outer cover of these protrudes the guide auxiliary means for the wire rod radially outward, and the guide auxiliary means It can be present in a thing which is arranged along the direction of winding and extending at least one spiral at a distance from each other and the wire is wound around the guide auxiliary means while being laterally aligned. Here, depending on the number of turns of winding, a desired number of guide assisting means may be arranged only in the circumferential portion where the annular core cross-sections overlap. Instead, a sensor is used for winding the wire with a suitable alignment accuracy, the sensor signal being dependent on the position of the wire, for example, and a speed ratio of the drive means that is useful for winding with the preferred position accuracy. It is considered to be used for driving control of the winding machine and ring core to achieve. After winding, it is possible that the wire ends formed to make the terminals are separated at at least one position and the ends are separated in position to form the terminals. For example, when a plurality of windings are applied for one annular core coil, the wire end portions may be similarly separated at a plurality of positions over the circumference. The annular core is motor driven (ie, rotated) and the winding machine for the ribbon material rotates around the annular core cross-section at a correspondingly adjusted speed for each desired number of turns of wire. Is possible. Here, the wire may be autonomous and appropriately roll in the circumferential direction, or may be automatically rotated in the above-described manner. Guide aids or guide clauses can also be used as an option for the detection of the rotational speed of the annular core.

  Another aspect of the present invention, which is important as a preferred embodiment or within the scope of the independent claims, relates to a method of winding around an annular core, where the wire is essentially suitable alignment accuracy from the winding reserve. Are wound on the annular core as a plurality of layers wound in a spiral shape while confining the intermediate insulating layer, and are prepared as terminals of a coil in which the start and end of the wire are wound. In relation to this, winding with a suitable alignment accuracy can be performed in the above-described manner. The difference from the alternative method described above in which the wire ends are separated for the manufacture of the terminals is that in the method proposed here there is no corresponding separation and the layers of wire are mutually connected. It is to be connected so as to continue in a line. The conductive wire is preferably provided with an electrically insulating intermediate layer (intermediate insulating layer) in advance, or the insulating intermediate layer is supplied from another winding reservoir for winding around the annular core. It may be. By using this method, preferably on a closed annular core, the electrical effective number of turns is many times the number of turns that can be achieved geometrically with the desired winding pitch in the annular core (for example, twice or 4 times), a spiral wound winding can be applied.

  With regard to the possibility of improving the method according to the invention and in particular its preferred variants, the device according to the invention is also employed in connection with the above description. As described above, various annular coils, particularly closed annular cores, and thick wires (conducting wires or ribbons) commonly used in annular core choke coils for large capacity areas, particularly kilowatt to megawatt areas. Suitable for manufacturing invention to be used. Here, the present invention preferably comprises winding a wire having a hard cross section in a spiral shape or directly in a coil shape from a winding storage support onto an annular core toward a radially inner side while reducing a bending radius. Make it possible. The present invention avoids the difficulties associated with the hardness of these conductors in the prior art. A primary winding that can be composed of a series of conductor coils instead of multi-segment conductors, with a substantial amount of length storage enabled for the winding reserve, and optionally an additional secondary As a result, there is no need for an internal terminal stop and correspondingly poor connection and contact resistance are avoided. Compared to the known technology, the production of the annular coil is simplified and the annular core can be made somewhat more compact, so that, for example, transformers can be made even smaller. Furthermore, the advantage that the closed annular core can be completely wound in a coiled manner in the circumferential direction of the annular core arises, which appears as an advantage in terms of efficiency. In addition, the primary and secondary windings are wound up and down on the annular core with the possibility that this can be performed over the entire circumference of the annular core, if necessary. However, it is also possible to provide a secondary winding that spirally surrounds the inner primary winding, followed by an outer spiral secondary winding.

  The present invention also relates to an annular core choke coil having a closed annular core and at least one winding having a wire wound spirally around the annular core, wherein a conductor of the annular core choke coil is provided. It is contemplated that the cross-section of the partial wire is suitable for the kilowatt to megawatt region. The winding may relate to the annular core surface, preferably over at least the main part of the circumference of the annular core, or substantially over the entire circumference of the annular core.

  Furthermore, the present invention includes a closed annular core, and at least a temporary winding and a secondary winding, respectively, one or both of which has an annular wire spirally wound around the annular core. With regard to transformers, here it is contemplated that the wire cross-section of the conductor portion of at least one primary and / or secondary winding of the annular transformer is suitable in the kilowatt to megawatt range. Conveniently, at least one winding having a cross section suitable for the kilowatt to megawatt region can extend at least a major portion around the annular core or substantially the entire circumference of the annular core with respect to the annular core surface.

  According to another aspect, the present invention relates to an annular core choke coil, in particular comprising an annular core and at least one coil having a wire wound spirally around the annular core, wherein the wire is , With the thickness being greater than the thickness of the wire, in particular forming at least one winding coil wound in a spiral several times the thickness of the wire, while being positioned above and below with substantially favorable alignment accuracy It is wound up to form a plurality of layers made of wire. Preferably, as a wire, the width of the cross section may be larger than the thickness of the cross section, particularly at least in the case of a large configuration (10 times) larger than the thickness of the cross section. This kind of annular core choke coil can also be suitable in the kilowatt to megawatt range with respect to the conductor cross section of the wound coil, even when using very thin and easy to handle wires. In particular, the wound coil can have a rectangular cross section, for example a square cross section with a thickness on the order of a few mm to cm.

  In addition, the present invention provides that the wires are positioned one above the other with substantially favorable alignment accuracy while forming at least one wound coil that is helically wound with a thickness greater than the thickness of the wire. Including an annular transformer wound up in a plurality of layers, wherein the spirally wound winding coil forms the primary winding of the annular transformer and the secondary winding surrounds the primary coil and is in series with each other It has a spiral coil with several wires connected. Preferably, it may have a plurality of spiral coils arranged at substantially equal intervals from one another around the main part around the annular core or substantially the entire circumference of the annular core.

  The present invention further comprises an annular core choke coil having in particular a closed annular core and at least one winding having a wire wound spirally around the annular core, wherein The wire is wound up into a plurality of layers of wire that are positioned above and below each other with substantially preferable alignment accuracy while confining the intermediate insulating layer, and the plurality of layers are connected to each other in series.

  The invention further reveals one or more features already described, in particular with respect to the annular transformer, according to the invention for each spiral coil of the secondary winding made of an insulating material. An annular transformer is included in which the wire is wound on a splittable coil support having a drive gear at the side end. Instead of this or in combination with this, for each spiral coil of the secondary winding, a wire, preferably a wire material, is wound up while achieving a spiral coil cross section that narrows radially outward in a triangular shape. It is also possible.

Hereinafter, the present invention will be more clearly described with reference to the accompanying drawings in which preferred embodiments are illustrated.
FIG. 1 is a perspective view of an apparatus 1 for winding a wire 3 around a closed annular core 2 according to a first preferred embodiment of the present invention. In the illustrated state of use, the annular core 2 around which the wire 3 is wound has already been introduced into the device 1 as described below. The latter has, in accordance with selected embodiments of the present invention, a winding storage support 4 formed as a hollow torus-like segment 5 that extends over a half circumference. A closed annular core 2 is held in the hollow space 6 via an annular core alignment means 7 so as to be concentric and rotatable in the circumferential direction. In order to allow the annular core 2 to be introduced into the position shown, the hollow torus-like segment 5 consists of two annular segment-shaped semi-annular sheaths 5 ′, 5 ″, which have a central end face 8 (if necessary). In addition, a central means (not shown) can also be connected to each other or opened along the connecting portion 9. In order to ensure the connected state shown in the drawing, the distal end of the semi-annular sheath is radially inward. And an outer releasable clasp 10. The hollow torus-like segment 5 is open or closed at its periphery along the connection 9 for attachment and removal of the annular core 2 For the alignment of the annular core 2, as the annular core alignment means 7, there are provided three reel-like rollers 11 whose axes abut against the annular core surface in a triangular support configuration. Of these, two positionally equivalent reel-like rollers 11 are connected to the annular core 2 introduced into the apparatus from the outside in the radial direction via a rotatable and position-fixable fixing machine 12. On the other hand, it is switchable and can be held at a desired position, particularly for adjusting the position of the intermediate reel-shaped roller 11 disposed between them, particularly in relation to the relationship with the outer reel-shaped roller 11. For adjustment, in the selected embodiment, an arrangement adjusting mechanism 13 is provided which is operated by the wheel handle 14 and decelerates naturally, at the position of the reel-like roller adjusted to the cross-section of the selected annular core 2. The annular core 2 is also adjusted and supported in a direction perpendicular to it, ie in the embodiment shown, in the vertical direction as well as on the side of the ring surface. The roller 11 can be adjusted separately according to its own profile, in the embodiment shown, the intermediate reel 11 forces the annular core 2 in the circumferential direction by frictional coupling. It is coupled to a drive motor 15 (see FIG. 4) so as to be driven.In the illustrated use state, the annular core 2 is encircled by the hollow space 6 of the winding storage support 4 and is engaged in half. In the rotational drive in the circumferential direction, the remaining moving part of the annular core is surrounded by the hollow torus segment 5. However, in the selected embodiment, it is not necessarily for the reel roller 11. An annular core alignment means and an annular core drive means are not required at the same time.The device 1 is arranged around the annular core section to wind the wire 3 around the annular core 2. With a rolling possible winding machine 16. As will also be shown in connection with FIGS. 2 to 5 below, this means that the press roller 18 pressed by the spring force of two parallel springs 17 is pressed in order to press the wire 3 against the annular core 2. Have. The press roller 18 is disposed radially inward of the gear rim 19 and is held so as to be rotationally locked. Each of the springs 17 has a gear so that one end is connected to the press roller 18 and the other end can be adjusted in length through a radial opening (not shown in detail in the drawing). It is penetrated by a sliding bolt 20 which extends to the rim. In the illustrated state of use, the annular core 2 passes through a notch 22 provided on the vertical retaining wall 21 and opening upward for access. The vertical holding wall 21 has, at its four corners, a small gear 23 supported so as to mesh with the outer teeth 24 of the gear rim 19 or a guide ring 24 ′ concentric with the outer teeth 24. A support roller 23 ′ is provided which acts integrally and supports the peripheral slots so that the gear rim 19 is properly aligned thereby. The small gear 23 located at the lower end of the notch 22 is connected via a bevel gear to a rotary drive 25 visible in FIG. 4, in the selected embodiment, an electric motor. Through this, the winding machine 16 can be rotationally driven in the peripheral direction around the cross section of the annular core together with the gear rim 19 and the press roller 18. In order to introduce the annular core 2 into the position shown in the figure, the gear rim 19 is configured to be separable, and each of the two divided parts is separated or connected to each other. The gear rim 19 and the press roller 18 which is spring-supported in the radial direction by this means that, as can be seen from FIG. 4 in particular, the wire rod 3 previously wound around the winding storage support 4 or the hollow torus-like segment 5 A winding machine is configured which is wound substantially concentrically on the core 2 and pressed onto the annular core 2 via a spring force. In order to wind the wire 3 around the winding storage support 4 in advance, the device 1 is fixed on the bottom plate 27 like the winding storage support 4, the fixing machine 12, the arrangement adjusting mechanism 13 and the vertical holding wall 21. The guide unit 26 is provided. The guide unit 26 pulls out the wire 3, which is a wire in the embodiment, and further has a drive unit (for example, an electric motor) 28 shown only symbolically in FIG. 3. As shown in FIG. 3, the wire 3 first passes between the two rollers and is then covered by the vertical retaining wall 21 and is therefore indicated by a broken line and identified by the reference numeral 29. As can be seen from the drawing, the process proceeds toward three bending rollers driven through a gear mechanism connected to the rotation drive unit 28. Through this wire bending apparatus, the wire is drawn out from the tip of the hollow torus-like segment used as the winding storage support 4 and placed on the segment, and then stored on the annular core 2. Or it is bent to form a wrappable helical coil. In the self-supporting winding of the wire 3 on the winding storage support, the position of the bending roller 29 is adjusted so that the wire is bent with a pre-winding radius that is approximately the same as or somewhat larger than the annular core cross section in its movement. In particular, lay the foundation. Furthermore, by arranging the bending roller 29 in an inclined arrangement not shown in detail in the drawing, the hollow torus-like segment is formed in a direction in which the wire 3 is slightly inclined with respect to the paper surface, that is, in a direction having a circumferential component of the hollow torus. 5 is led.

  The operation or process of the device 1 described in connection with FIGS. 1 to 5 is as follows. That is, first the annular core 2 is introduced into the device 1 as described, where it is directed to the annular core alignment surface for the hollow winding storage support 4 and is rotatably arranged. Furthermore, the annular core 2 is also arranged in the hollow torus segment 5. Next, the wire 3 is slightly tilted into the hollow torus-like segment 5 used as the winding storage support 4 that is pulled out by the guide unit 26 and bent as described above by the wire bending device including the bending roller 29. In this way, a coiled or spiral winding is formed around the cross section of the winding storage support. The pre-winding or winding reserve formation can be continued until a length sufficient for slower winding on the annular core 2 is wound helically on the winding reserve support 4 as a winding reserve 36. It is. . In the illustrated embodiment, the semi-annular sheaths 5 ', 5 "are further provided at their oppositely arranged parts, i.e. where there are clasps 10 at the end of the cover end, for reinforcement purposes. On the other hand, it has an outward radial projection 30 that is used for the stopper of the spiral wire that is pre-wound, and after the pre-winding, the winding 3 has a winding machine 16 with a press roller 18 and a gear rim 19. Is wound or wound directly on the annular core 2, where it starts from the rear, ie the open end of the winding reserve belonging to the winding machine 16. The end is formed behind the guide unit 26 manually or automatically by loosening the wire 3 and can be sandwiched between the press roller 28 and the annular core 2. Starting from this open end, the wire 3 is pressed. Roller 18 Therefore, the winding machine 16 that is pressed against the annular core 2 and has the press roller 18 is rotated around the section of the annular core in a desired rotation direction D that is visible by a curved arrow in FIG. The speed at which 3 is pulled back from the hollow torus-shaped segment 5 includes, in particular, the diameter ratio between the winding storage support 4 and the annular core 2, the rotational speed of the winding machine 16, and the rotational speed R of the annular core 2 (FIG. 5). Depending on the difference in cross-sectional perimeter between the winding reserve support 4 and the annular core 2, the winding reserve can be unrolled or wound, either autonomously or by motor (with curvature). Rotation around the winding axis can be achieved, depending on the ratio of the above diameters, with a half-wind pre-winding length reserve on the annular core 2 over this entire circumference or if necessary in multiple layers Winding is possible. In order to adapt the position of the roller 11 to the enlarged cross section through the winding 31 on the annular core 2, it is supported by being pressed against the annular core 2 by a spring, for example, in a manner not shown. It's okay.

  As described, the device 1 can be used, for example, to first turn a primary winding, preferably with a thick section and a small number of turns, and then from the outside, more preferably with a thinner section and a larger number of turns. Are applied with a series of conductors. In particular, this can also be carried out for the manufacture of large transformers with closed annular cores and correspondingly large and hard cross-section wires.

  6 to 13 relate to a device 1 according to a second preferred embodiment of the invention, the features corresponding to the function being denoted by the same reference numerals. FIG. 6 shows the device 1 and a closed loop in which a wire 3 which is a ribbon material having a flat cross-section in a selected embodiment pre-wound in a spiral shape on the winding storage support 4 of the device is wound. 2 is a perspective view of the core 2. FIG. The winding storage support 4 has, in this selected embodiment, a plurality of guide rollers 32 which are assigned on the roller circle and are arranged so as to be rotatable with respect to the rotary shaft 33. The guide roller 32 is held on the support wall 24 as a whole on the circumference and can be adjusted in the radial direction. At the same time, the rotary shaft 33 passes through the long groove 35 in the support wall 34 in the radial direction. , Means suitable for the desired radial arrangement (fixing means having, for example, a fixing nut 48 screwed to the screw end 47 of the rotary shaft 33 arranged on the back side of the support wall with respect to the indicated direction of FIG. ) Can be fixed via. In this embodiment, the guide roller 32 of the winding storage support 4 realized from a plurality of portions has a guide surface on the side surface. In the embodiment selected here, the width is substantially equal to the width of the ribbon-like wire 3. As a result, after the closed annular core 2 is mounted in the apparatus 1, the wire 3 is wound in advance on the winding storage support 4 as shown in FIG. The length of the winding storage 36 is obtained. The outer peripheral portion of the winding storage support 4 which serves as a radial support for the winding storage 36 and in the embodiment shown in FIG. It is clear that there is a gap between the guide rollers 32 so that the annular core 2 that is wound before the pre-winding can be aligned at the position shown in the figure. is there. In order to hold the annular core 2 on the alignment surface of the horizontal annular core shown in FIG. 6, it is embodied as the annular core alignment means 7, and is simplified and schematically illustrated, but has the structure and function. Is again provided with a reel-like roller 11 corresponding to the annular core alignment means 7 described in connection with FIGS. In addition, a pivot support 37 is provided so that the segment 38 can be removed or subsequently remounted and re-fixed for mounting or removal of the closed annular core 2 with respect to the pivot support. The pivot support 37 is a sleeve 49 that protrudes distally and is also detached from the segment 38 and is separable, and is surrounded by a radial spacing sufficient for the anticipated winding to be attached to the outer side thereof. And the winding machine 16 is rotatably arranged. The pivot support 37, like the support wall 34, is fixed on the bottom plate 27 and can be adapted to different geometrical requirements or even removable. In order to allow the closed annular core 2 to be attached from the side surface through the gap between the two guide rollers 32, the support wall 34 is provided with a notch 39 having an open end. Similarly (instead of the embodiment of the pivot support 37 shown), this can be used to bring the annular core 2 to the position required for the desired alignment without prior peripheral attachment or removal. A gap may be partially opened in the upper peripheral portion. In order to accommodate the annular core profile cross-section of the closed annular core 2 and the winding wound around it, the multi-part winding reservoir support 4 is within the cross-section cutting the annular core alignment surface described above. A hollow space 6 that partially opens between the guide rollers 32 in the circumferential direction is surrounded at the end. In the operating state shown in FIG. 6, the winding storage 36 that has been wound in advance has a hollow cross-section 6 ′ which is several times larger than the cross-section of the annular core profile on the inside, Enclose inside. Furthermore, the device 1 shown in FIG. 6 for attaching the pre-wound wire 3 to the annular core 2 has a winding machine 16 which can be rotated around the cross-section of the annular core and whose structure and function have not yet been described. . In the embodiment, an annular core alignment means 7 similar to the embodiment of FIGS. 1 to 5 and an annular core drive means that allows the annular core 2 to be driven rotationally in its peripheral direction are used. The annular core driving means, only partially shown, is described in the context of the first preferred embodiment, of which the reel-like roller 11 is driven (see also FIGS. 1-3). It is configured in the same way. 7 and 8 are a front view and a plan view showing the state shown in FIG.

  FIG. 9 explicitly relates to a later operating state or process in the device 1 shown in FIG. At this point, the guide rollers 32 that have been arranged on the inner circumference in the radial direction of the winding storage 36 during the pre-winding are already separated from the support wall 34 one by one. Next, the same long groove 35 is attached to the winding storage 36 again from the outside in the radial direction. This is not shown in detail in the drawing. First, the rotating shaft 33 of one guide roller 32 is screwed on a fixing nut 48 provided on the rear side of the support wall 34 in the indicated direction of FIG. 9, for example. It is removed by turning off from the portion 47 and removed from the long groove 35, and then reinserted into the same long groove 35 from the outside in the radial direction. At this time, the screw end is pressed against the winding reservoir 36 from the outside in the radial direction. It is fixed again by the part 47. Since this replacement is carried out little by little or only at least in a predetermined set of guide rollers, the winding reserve 36 is held for a period of time while the guide rollers of the winding reserve support 4 are stopped. The replacement of the guide roller 32 has the advantage that the wire 3 is now properly unwound from the inside of the winding reservoir 36 radially inward so that it can be wound or wound up on the annular core 2. With regard to the different cross-sections or circumferences of the annular core 2 and the winding storage support 4, the winding storage 36 is free-standing or around, for example, a motor, around its winding axis in unwinding or winding the wire 3 around the annular core 2. Rotation at an appropriate speed is realized by using this, and this is reduced by the support by the rotatable guide roller 32. Within the framework of the present invention, the possibility of giving up the additional drive of the winding machine, if the winding reserve is driven in winding at the corresponding appropriate speed, in principle, irrespective of the specific embodiment There is also a possibility. The state shown in a perspective view in FIG. 9 is shown as a front view and a plan view in FIGS. 10 and 11.

  FIG. 12 shows the same state in the indicated direction XII in FIG. 9, that is, in the direction opposite to that in FIG. It is shown schematically. Then, while the winding machine 16 for winding around the annular core 2 is rotationally driven in the direction indicated by the arrow, the wire 3 that is unwound from the radially inner side of the winding storage 36 is wound on the winding machine 16. It can be seen that the press roller 18 is pressed against the cross section of the annular core 2. The pressing by the press roller 18 is realized via a pneumatic means (for example, elasticity using gas) or a hydraulic means, with adjustable stiffness or elastic force, for example. The winding machine 16 naturally has a rotating body having a passage opening 41 that surrounds the cross section of the annular core. This rotating body can be separated into two at the separation part 42, the two separated parts being separated or separated and then closed again in order to introduce the annular core 2, and a suitable fixing element 43 is Are fixed to each other. FIG. 12 details that the wire 3 is wound around the annular core 2 from the winding reservoir 36 radially inward with respect to its assumed intermediate axis, with the winding diameter continuously decreasing. . For example, a motor (for example, an electric motor) mounted on the pivot support 37 may be used for rotationally driving the winding machine 16 in the arrow direction shown in FIG. 12, for example. Via the described annular core driving means, the annular core 2 is rotated in the circumferential direction, for example, in the direction indicated by the arrow in FIG. Depending on the desired setting of the rotational speed between the winding machine 16 and the annular core 2, it is spirally wound on the annular core 2 as shown in a plan view in FIG. A pitch winding 31 is provided. In the embodiment illustrated in FIGS. 6 to 13, the winding machine 16 is rotatably arranged on a sleeve exiting the pivot support 37 and instead has a corresponding smaller inner opening with an annular core 2. May be accommodated directly.

  FIGS. 14-17 show a device 1 according to another preferred embodiment according to the invention, which basically has the same function as in the embodiment described in connection with FIGS. 6-13. Here, for the sake of convenience, the same reference numerals are used for the above-mentioned support walls (bordered with a one-dot chain line) in the indicated directions in FIG. 16 and FIG. 16 and 17, the guide roller 32 is still attached radially inward with respect to the winding storage 36 in FIG. 16, but in FIG. It is different in that it is attached. First, the pre-winding for forming the winding accumulator 36 supported from the radially inner side may be performed by a method known to those skilled in the art. In the embodiment shown in FIGS. 14 to 17, the winding machine 16 as a rotating body that rotates around the annular core 2 is intended to have a round passage opening 41 that opens parallel to the sides. A plurality of support rollers 45 assigned to the support wall 34 and distributed on the circumference and set on the contour of the winding machine 16 are rotatably provided on the pivot support wall 44. These are motor driven (in a manner not shown in the drawing), preferably to drive the winding machine 16 in the direction of the round arrow with frictional coupling. As in the above-described embodiment, the wire 3 is pressed against the annular core 2 by the press roller 18 that rotates around the cross-section of the annular core at the winding machine 16 so that the desired winding is performed. Further, instead of the press roller 18, a press mechanism or a pulling mechanism may be provided.

  FIG. 18 shows a front view of a device 1 according to another preferred embodiment of the invention, equivalent in structure and function to the above. The winding machine 16 is different in that three bending rollers 46 are provided instead of the press roller 18. Using these, the wire 3 unwound from the inside of the winding storage 36 is bent so as to be wound around the annular core 2 when passing. In the preferred embodiment described in connection with FIGS. 14-18, a similar annular core alignment means, similar to the previous embodiment, is driven by the middle reel-like roller, not further shown. It is provided in a reel-like roller configuration.

  FIG. 19 is a perspective view showing an apparatus 1 according to another preferred embodiment of the present invention for winding the wire 3 around the annular core 2, and corresponds to the above-described embodiment or has the same function. Are denoted by the same reference numerals. The annular core 2 is disposed in the annular core alignment surface above the console 50 via three reel rollers 11 used as the annular core alignment means 7 and is driven to rotate in the outer circumferential direction. A plurality of guide rollers 32 are arranged on the circumference of the support fixing portion 51 in order to form the winding storage support 4, so that a winding storage surface that is stretched and orthogonal to the annular core surface can be formed in the space. . FIG. 19 shows an apparatus for forming a winding reservoir 36 that surrounds the cross-section of the annular core 2 in winding the wire 3 on the winding reservoir support 4. Furthermore, in the embodiment, a guide unit 52 is provided for dynamically supplying the wire to the outer peripheral edge of the spiral winding storage in the radial direction. In the guide unit 52, a three-roller configuration in which one of at least three rollers 53 drives the wire 3 via the electric motor 54 in a manner not shown in detail is important. The rollers 53 are arranged so that the ribbon-like wire selected in the embodiment is plastically deformed with a desired curvature in the passage between the two rollers, and is driven by frictional coupling in this process. FIG. 20 relates to a partial cross-sectional view along a cross section extending behind the console 50. The wire 3 is wound so that the constructed winding storage 36 is located immediately inside the guide roller 32. The guide roller 32 is wound on the winding storage support 4 via the radial slot 55 so that the guide roller 32 can be retracted radially outward when the winding storage increases in the radial direction. It is held so that its position can be changed in the radial direction of the wire (see FIG. 20b). In order to achieve sustained and sufficient support of the winding reservoir 36, there is a means (not shown) at the guide roller 32 that generates a spring force that presses the guide roller radially inward. It is further contemplated that the guide rollers 32 can each be driven in rotation by an electric motor 56, thereby actively assisting in winding and / or unwinding of the winding reserve when necessary. The electric motor 56 is connected to a means (not shown) for controlling and / or adjusting the passage of time of the driving speed.

  FIG. 21 is a perspective view showing the device 1 shown in FIG. 19 with respect to the pre-winding of the winding storage 36, and winding of the wire rod onto the annular core 2 has already begun. Furthermore, FIG. 22 shows a partial cross section again, and FIG. 23 shows a corresponding partial cross section from the rear. In order to wind the wire 3 around the annular core 2, a winding machine 16 equivalent in the basic function to that in the embodiment shown in FIG. 12 is provided. This has a rotating body 57 that surrounds the cross section of the annular core 2 at the central opening 58. In order to arrange the rotating body 57 around the annular core 2 as shown, the screwed peripheral member 57 'is first removed and can be reattached after the desired alignment. The central opening 58 is designed so as to suitably accommodate a winding in which a radial distance is formed between the rotating body 57 and the annular core cross section. The rotating body 57 is held at the illustrated position so as to be rotatable via a plurality of supports 60 distributed along the peripheral edge. In order to rotationally drive the rotator 57, it has a meshing portion 59 (see FIG. 22a) that meshes with a meshing gear 70 that is driven via an electrical winding unit driving device 61 on the outside. Have. The rotating body 57 is provided with a press roller 18 (see FIG. 23 a) that can rotate with respect to the cross section of the annular core 2 in the rotating surface. In particular, the press roller 18 is provided off the center of the rotary shaft 62 held by the rotary body 57, and the rotary rod is disposed behind the rotary body 57 in the indicated direction of FIG. 22a. A rotating cylinder 57 is provided with a pneumatic cylinder 64 that can be rotated around a further rotation point 63. The pneumatic piston 65 has a free end at the outer disk 66 and a press roller 18 at the rotation shaft 62. It is held so as to be driven by pressure while being eccentric. The pneumatic cylinder 64 has a reverse actuating valve 67, as shown in FIG. 22a, to which a compressed air introduction pipe for filling and an exhaust pipe for discharging compressed air if necessary can be connected.

  The rear view according to FIG. 23 clearly shows the state at the beginning of winding of the wire 3 around the annular core 2. The press roller 18 rotates around the cross-section of the annular core 2 surrounded by the winding reservoir 36 in the rotation direction specified together with the rotating body 57 and is unwound from the innermost winding of the winding reservoir 36. Is pneumatically pressed against the cross section of the annular core 2. In the rotation of the press roller, in order to form an arcuate supply 68 extending from the inner circumference of the winding to the annular core 2 depending on either the angular position or the phase position, based on the geometric ratio, A length and a curvature that change to each other occur. Since the guide roller 32 (shown by the broken line in FIG. 23) 32 is arranged so as to be freely rotatable, the winding storage 36 can compensate for a self-supporting rotational movement. In the illustrated embodiment where the guide roller 32 is dynamically driven, compensation for movement of the winding reserve 36 is actively assisted through control and / or regulation. While the wire is wound around the cross-section of the annular core 2 in the described manner, the rotational drive of the annular core 2 is realized in its circumferential direction so that the wire 3 is wound spirally. With respect to the already described embodiments, the spiral winding extends over the entire circumference of the annular core, and in further turns of the annular core 2 one or more of the wires on the spirally wound layer It is possible that the layers are wound with at least substantially proper alignment accuracy.

  FIG. 24 is a plan view of the annular core choke coil 71 when manufactured as described above, according to a preferred embodiment of the present invention. This has a closed annular core 2 with a winding 72 having a wire 3 that is wound spirally around the annular core 2 in the embodiment. The difference is that the wire 3 is formed into a plurality of layers arranged vertically with substantially appropriate accuracy while forming a winding coil 73 wound in a spiral shape whose thickness is several times the thickness of the wire 3. It is that it is wound. For manufacturing, first an insulative guide tape 74 on the annular core 2 is provided with guide auxiliary means 75 on the radially outer side, in the selected embodiment a rod-like pivot-like guide protrusion, along both ends. In addition to suitable adjustment of the rotational speed of the annular core 2 and the winding machine 16, it is possible to achieve the desired appropriate accuracy. Starting from the manufacturing process shown in FIG. 24, the winding coil 73 is removed, and the formed end can be connected to an electrical connection terminal.

  FIG. 25 shows an annular core choke coil 71 according to another preferred embodiment of the present invention. 24 is different from the deformation shown in FIG. 24 in that, instead of the guide tape 74 of the annular core 2, first, the guide auxiliary means 75 protrudes from the outer covering to the peripheral portion of the separable hollow torus portion 76. Is to coat. These are arranged at the upper end and the lower end of the hollow torus part 26 in the cross-sectional view of FIG. 26 (even if only the upper guide assisting means 75 is visible).

  FIG. 27 is a perspective view of an annular core transformer 79 according to a preferred embodiment of the present invention. This relates to an annular core 2 provided with a winding coil 73 wound as a spiral around the circumference and formed as a plurality of layers made of wire rods 3 positioned above and below with suitable alignment accuracy as described above. . Winding coil 73 illustrates the temporary winding of annular core transformer 79. The secondary winding includes a spiral coil 77 having a number of wires 3 and surrounding the primary winding and arranged separately at a distance around the circumference of the annular core 2. In the selected drawing, only a part of the spiral coil 77 is shown, while on the other hand, the helical coil located on the remaining circumference is further provided in another manufacturing process, after which a secondary winding is formed. Swirl coils are connected in series with each other. The spiral coil 77 can also be manufactured using a device selected for the production of the primary winding, in which the annular core 2 is not rotationally driven or is rotationally driven only during the production of a single spiral coil. Shall not be.

  FIG. 28 is a perspective view showing an annular core transformer 79 according to another preferred embodiment of the present invention. This (transformer) has, for example, a closed annular core 2 in which a primary winding 72 is spirally wound up. For the production of the winding 72, the wire 3 is wound up as a plurality of layers 78 which are positioned up and down with substantially preferred alignment accuracy and are spirally wound around the annular core 2. 29 is a cross-sectional view showing that an intermediate insulating layer 80 (not shown in FIG. 28 for simplification) is confined between electrically conductive layers 78 made of wire 3. In the selected example, the wire 3 is previously provided with an adhesive layer 80 on the lower side thereof, and the intermediate insulating layer 80 is confined between the innermost layer 78 and the annular core 2 even during winding. It has become. In the embodiment selected in FIG. 28, the primary winding 72 has 20 windings of 4 layers 78, each of which is electrically isolated so that the total effective number of windings is 80. In the selected example, the ribbon material selected for the primary winding has a cross-sectional width of 20 mm and a cross-sectional thickness of 5.5 mm, typically made of aluminum or an aluminum alloy. FIG. 28 also illustrates that the start end 81 and the end end 82 of the winding 72 are formed by bending the ends with adjacent windings. Instead of the embodiment shown in FIG. 28, for example, to achieve an electrical effective winding equivalent to 80, two turns, each positioned above and below with suitable alignment accuracy, are turned on the annular core 2 by 40 turns. A primary winding 72, wound up, would also be possible. Here, for example, the wire may have a cross-sectional width of 12 mm, a cross-sectional thickness of 6 mm, and may be made of copper or a copper alloy. The annular core 2 illustrated in FIG. 28 typically has an inner diameter of 200 mm and an outer diameter of 400 mm, that is, a cross-sectional diameter of 100 mm. The secondary winding of the annular core transformer 79 shown in FIG. 28 is composed of six spiral coils 77 connected in series. The connection between the spiral coils 77 and the start and end of the secondary winding are as shown in the figure. Not shown for simplicity (but compare to FIGS. 31a, 31b). FIG. 30 schematically illustrates that a spiral coil 77 having a substantially triangular cross section is wound (partially) on a coil support 83 made of an insulating material. In the selected embodiment, for this purpose, a round wire made of copper having a cross-sectional diameter of 1.2 mm is used as the wire, and each spiral coil 77 has 913 turns, so that the secondary winding as a whole has 5478 turns. It has become. At the periphery of the cross section, the coil support 83 is provided with a tip wall 84 having a gear 85 shown in FIG. This makes it possible to rotate the coil support in the desired direction (left or right rotation), in particular in the manner described in German Offenlegungsschrift 2929206A1, in order to wind up the round wire. The contents of this public information are included in the above document, and the purpose and characteristics of this public information are also included in the claims. Within the framework of the present invention, the secondary winding can be introduced into the annular core transformer in various ways. In an isolation transformer in which the primary winding and the secondary winding are slightly different, the secondary winding can be provided by using a winding device similar to that for the primary winding. There are various possibilities for transformers for transformers. Here, preferably, the secondary coil is manufactured as a plurality of single coils wound around the circumference of the annular core and wound up in a spiral shape, that is, spiral coils, each in series or in parallel depending on the specifications. Can be connected to. They can preferably be wound directly and rotatably, for which the winding machines or techniques described in DE 2929206 A1 can be used. For this purpose, a separate coil support 83 is used, which is introduced for forming the primary winding of the annular transformer 79 prior to coil formation and whose halves are fixed to each other. There must be a sufficient gap between the primary winding and the coil support 83 so that the spiral coil 77 can be positioned and simultaneously driven to perform the winding. This driving is performed in mesh with the gear 85 on the tip wall 84 of the coil support 83. Alternatively, other techniques can be used for manufacturing the spiral coil 77.

  FIGS. 31a and 31b each show a cross section of the spiral coil 77 of the annular core transformer 79 shown in FIG. 28, one side by side, in a schematic finish around the circumference of the annular core (not shown). The triangular coil cross section is schematically simplified and shown as a rectangle in FIG. 31a). For each spiral coil 77, the start end is indicated by “A” and the end end is indicated by “E” without showing windings positioned between them. FIG. 31a relates to an embodiment in which the spiral coil 77 is wound in the same rotational direction. In order to achieve the same current direction, as the connection of the spiral coil 77, a connection is made between the radially outer terminal E and the next spiral coil 77 starting end A in the radial direction. FIG. 31b relates to an embodiment in which adjacent spiral coils 77 are wound in opposite rotational directions around the circumference of the annular core. In order to achieve the same current direction, in the connection, a pair of the radially outer end E and the start end A and a pair of the radially inner end E and the start end A are connected to each other alternately.

  FIG. 32 is a perspective view of an apparatus 1 according to another preferred embodiment of the present invention. In this case, the same reference numerals are used for members that are the same as or similar to those in the above-described embodiment in order to improve the visibility. A first variant on the embodiment described in connection with FIGS. 19 and 21 is that three reels whose upper surface extends parallel to the annular core alignment surface and is used as the annular core alignment means 7. The annular core alignment mechanism 86 that supports the rollers can be moved in the operation directions X and Y that are orthogonal to each other relative to the console 50 for position adjustment via an arrangement driving means (not shown). It exists in what is. In addition, the reel-like roller 11 (not shown) can be moved in the alignment direction W along the center line 87 (see FIG. 33) via the arrangement driving means (also not shown). . An annular core 2 supported by reel-like rollers denoted by reference numerals 11, 11 ′, 11 ″ for identification realizes a relative movement with respect to the winding machine 16 in the movement of the annular core alignment mechanism 86. Thus, it can be seen from Fig. 32 that the winding machine 16 having the rotating body 57 and the press roller 18 are firmly held by the support fixing portion 51 of the winding accumulating support 4. It is orthogonal to the annular core alignment surface. In FIG. 33, in which the pointing direction is directed to the direction to be moved, the press roller 18 is moved to wind the wire 3 around the cross-section of the annular core so as to adjust the winding track wound spirally around to a desired pitch. The annular core winding surface 88 is shown in a mounted state in which the annular core winding surface 88 is adjusted in parallel with the center line 87 of the annular core 2 by a distance A. In order to drive rotation, is connected to the electric motor for the rotary drive arranged on the back side in the figure, it transmits the torque to the annular core 2 as an annular core drive means 89.

  Another difference of the device 1 illustrated in FIG. 32 is that the winding storage press roller 90 is in the plane in which the winding storage 36 is stretched via a switching unit 91 illustrated in detail in FIGS. Is pneumatically switched radially inward (or vice versa) relative to the winding reserve, whereby the winding reserve 36 is pushed against the guide roller 32 'driven via the motor 56'. It is. 34 and 35, the switching unit 91 sets the winding storage press roller 90 in the plane of the winding storage 36 and removes it from the first pneumatic arrangement means 92 and the outer periphery of the winding storage. It is shown having a second pneumatic positioning means 93 that moves and leaves. In the embodiment, pneumatic arrangement driving means are provided as the first and second arrangement means 92 and 93, respectively. The second arrangement means 93 is engaged with a pedestal 96 guided to the longitudinal arrangement member 95 via the connecting plate 94. This supports the two vertical arrangement members 97 connected to the first arrangement means 92 and holding the holding plate 98 holding the press roller 90 movably. Due to the improved drive force or moment transfer characteristics of the guide roller 32 ′ improved by the winding accumulator press roller 90, it has a larger electric motor 56 ′ compared to the motor 56 of the normal guide roller 32. . The smaller motor 56 could instead give up entirely, depending on each use and request.

  The functional and preferred method under use of the device 1 described in connection with FIG. 32 is detailed below. In the selected embodiment, arrangement driving means (not shown) for conveying the annular core alignment mechanism 86 in the X and Y directions, and for changing the position of the reel-like roller 11 in the W direction (also shown in the figure). No) arrangement drive means, motor 54, motor 56 ', motor 61, motor for driving reel roller 11' (not shown), and first and second pneumatic arrangements for individual control The means 92, 93 are connected to memory-programming control means (SPS) (not shown). The operation can be started manually. First, the annular core 2 is introduced into holding means composed of three reel-like rollers 11, 11 ′, 11 ″, which is performed using a crane according to the size and weight of the annular core 2. Next, the rear reel-like roller 11 moves in the direction W with respect to the reel-like rollers 11 ′, 11 ″ first until the first desired position or pressing force of the annular core 2 is achieved. Is done. Next, the annular core 2 is moved through the annular core alignment mechanism 86 in the direction of the winding storage support 4 that opens in a fragmentary manner in the periphery (direction X). An annular core alignment mechanism 86, such as the console 50, shown in broken lines or transparent for easy overview in FIG. 32, has a gap between the reel-like rollers 11 ′, 11 ″, The peripheral member 57 ′ that is removable from the rotating body 57 is temporarily removed, and the movement of the annular core alignment mechanism 86 with the annular core 2 can take the position shown in FIG. It is understood that the illustrated winding reserve 36 is not yet there by this time, starting from there, the inner support ring (not shown in FIG. 32) and the lead-in connection ring are connected to the guide. It is mounted between the rollers 32 and 32 'and can be held by the wire 3. The wire 3 which is then guided to the winding storage support 4 is passed through the guide unit 52 through the motor 54 or the magnet. The winding storage 36 is pushed through the motor 54 of the passing wire 3 to the required length in the active drive through the motor 54 of the wire 3 passing through. 32, and is cut when stored, thereby achieving the state shown in Fig. 32. Then, in response to each request, the outer side of the circumference of the introduction connecting ring (not shown) The support ring can be manually attached and the inner support ring can be pulled out.The winding 3 is pulled out from the inside of the winding storage 36 and is wound on the annular core 2 in the winding start direction. 37 is fixed in a fixing means having a fixing band 99 and a clamp 100 shown in detail in Fig. 37. The fixing band 99 is grooved at each clamp half of the clamp 100. A clamp screw, whose thick end is attached in a structural lock manner, with the perpendicularly folded end of the wire being passed through a groove bordered by the clamp half, and the distance between the clamps being held there At the same time, the fixing band 99 is pulled and the wire 3 is firmly fixed in that state, and the winding can be started by an automatic method using SPS. The reel-shaped roller 11 ′ driven by the servo drive starts rotating, and the motor 61 for driving the attachment device (rotating the press roller 18) operates in synchronization with the set speed. When the winding 72 (see FIG. 33) reaches the reel-like roller 11, it moves to the outside in the W direction by the width of the wire 3 in order to maintain a constant pressing pressure. Is done. An annular core alignment mechanism 86 corrects the amount of displacement when the strong reel-shaped rollers 11 ′, 11 ″ reach so as not to be too far from the midpoint of the annular core 2. This is due to the specification or position of the reel-shaped rollers. The winding reserve 36 is not shown in Fig. 33 for the sake of improved appearance, and can be realized via movement in the X and / or Y direction. When the winding 72 arrives at the periphery of the annular core, that is, when the conversion ratio changes, the SPS switches the servo drive for driving the reel-shaped roller 11 ′ as the annular core drive means 89 to a new drive speed. It can be realized via a calculation function of servo processing, for example, via position calculation, etc. During the winding to the annular core 2, the supply of the wire 3 from the winding storage 36 is performed by the press roller 18 of the winding machine 16. Different positions Accordingly, it is realized through the winding storage drive described above, in which the electric motor 56 'drives the winding storage 36 in synchronism with the winding speed of the annular core 2, but the winding storage 36 and press The direction of rotation of the roller 18 is indicated by an arrow, and when the preset position of the press roller 18 illustrated in Fig. 36d is reached, the winding storage press roller 90 passes through the switching unit 91. It is pushed into the winding storage surface and pressed against the winding storage 36 from the inside in the radial direction, so that it is pressed against the driven guide roller 32'.The SPS presses the press roller 90 against the winding storage 36. In this state, it can be re-driven at an increased speed via the electric motor 56 ', and the wire 3 or the arc-shaped supply part 68 is passed through the opening of the annular core 2 forming a bottleneck. (See FIG. 36b), the roller 90 can be separated from the winding storage and removed from the winding storage surface, which is shown in FIG. Can be re-driven at a slower or similar speed, and the wire 3 can be withdrawn from the winding reserve freshly, and the press roller 18 is blocked to that extent by a switchable winding reserve press roller 90. Has a non-circular path around the annular core 2 and effectively avoids stagnation and irreversible wire bending.For further certainty of passage, the passage of the wire is detected using an appropriately positioned proximity sensor. It could also be detected and used with signals for controlling the drive means 56 ′ and the positioning means 92, 93. The cycle illustrated schematically in the series of FIGS. Desired winding on It is repeated with each further individual wrapping until raising is achieved. At the end of winding, the wire 3 is cut off, the peripheral member 57 'is removed, the winding machine 16 is opened, and the control is switched to manual. The removal of the wound annular core 2 begins with the driving of the annular core alignment mechanism 86, and the reel-like roller 11 is actuated, after which the wound annular core 2 is installed in the apparatus using, for example, a crane. 1 is taken out again.

  All the disclosed features (by themselves) form part of the invention. Thus, in the disclosure of the application, the published content of the accompanying / enclosed priority basic document (a copy of the previous application) is also fully incorporated, and with respect to the purpose and characteristics of this document, Within the scope of the following claims.

1 is a perspective view of an apparatus according to a first preferred embodiment of the present invention having a wire wound around an annular core. FIG. It is a side view about the indicating line II of FIG. FIG. 3 is a side view of the instruction line III in FIG. 1, and different from FIG. FIG. 4 is a side view of the indicator line IV in FIG. 2, and different from FIG. 2, pre-winding is started. FIG. 5 is a top view of the instruction line V in FIG. 4, and winding is started unlike FIG. 4. FIG. 6 is a perspective view of a device according to a second preferred embodiment of the present invention having a winding wound around an annular core during prewinding. It is a side view in the instruction | indication line VII of FIG. FIG. 8 is a top view taken along an instruction line VIII in FIG. 7. It is a perspective view of the apparatus shown in FIG. It is a side view in the instruction line X of FIG. It is a top view in the instruction | indication line XI of FIG. It is a side view in the instruction line XII of FIG. FIG. 13 is a top view taken along an instruction line XIII in FIG. 12 and relates to winding. FIG. 6 is a side view of an apparatus according to another preferred embodiment of the present invention having a wire wound around an annular core. FIG. 15 is a top view taken along an instruction line XV in FIG. 14. FIG. 16 is a side view at the instruction line XVI of FIG. 15 and differs with respect to the transparent front wall for simplified illustration. FIG. 16 is a side view on the instruction line XVII in FIG. 15, with respect to a transparent front wall for simplified illustration. It relates to a device according to another preferred embodiment of the dish according to the invention, as shown in FIG. FIG. 6 is a perspective view of an apparatus according to another preferred embodiment of the present invention for winding an annular core. It is sectional drawing in the cut surface XXa-XXa. It is the elements on larger scale of detail XXa of FIG. FIG. 21 is a partially enlarged view of detail XXb in FIG. 20. FIG. 20 is a perspective view of the apparatus illustrated in FIG. 19, with the difference being the winding of the wire from the winding reserve onto the annular core. FIG. 22 is a cross-sectional view taken along a cutting plane XXII-XXII in FIG. 21. It is the elements on larger scale of detail XXIIa of FIG. FIG. 22 is a rear view of the device taken along an instruction line XXIII in FIG. 21. It is the elements on larger scale of detail XXIIIa of FIG. 1 is a top view of an annular core choke coil according to a preferred embodiment of the present invention. It is the elements on larger scale of detail XXIVa of FIG. FIG. 5 is a top view of an annular core choke coil according to another preferred embodiment of the present invention. FIG. 26 is a sectional view taken along a cutting plane XXVI-XXVI in FIG. 25. 1 is a perspective view of an annular core transformer according to a preferred embodiment of the present invention and relates to a manufacturing process. FIG. 6 is a perspective view of an annular core transformer according to another preferred embodiment of the present invention. It is sectional drawing by the cut surface 29 which passes along the coil of the primary winding shown by FIG. FIG. 29 is a partial cross-sectional view of the secondary winding taken along section plane XXX-XXX in FIG. 28. It is a figure which shows typically the possibility of the connection of the spiral coil of the secondary winding of the annular core transformer by this invention shown in FIG. FIG. 6 is a perspective view of an apparatus according to another preferred embodiment of the present invention. FIG. 33 is a schematic top view of a cross section taken along an instruction line XXXIII of the apparatus of FIG. 32. 1 is a perspective view of a switching unit for a winding storage press roller according to a preferred embodiment of the present invention and relates to a first use state; FIG. It is a figure which shows the switching unit shown by FIG. 34, and is related with the 2nd use condition. It is a figure which shows typically the several operation state performed periodically during winding of the wire from a coil | winding storage. FIG. 4 is a perspective view of a closed annular core having a clamp or a retaining ring attached to it for clamping the wire at the beginning of winding.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Apparatus 2 Annular core 3 Wire rod 4 Winding storage support body 5 Hollow torus-like segment 5 ', 5 "Semi-annular sheath 6 Hollow space 6' Hollow cross section 7 Annular core alignment means 8 Center end face 9 Joining part 10 Clasp 11, 11 ', 11 "reel-shaped roller 12 fixing machine 13 arrangement adjusting mechanism 14 handle wheel 15 drive motor 16 winding machine 17 spring 18 press roller 19 gear rim 20 sliding bolt 21 vertical holding wall 22 notch 23 small gear 23', 45 Support roller 24 Outer teeth 24 'Guide ring 25, 28 Rotation drive unit 26, 52 Guide unit 27 Bottom plate 29, 46 Bending roller 30 Radial protrusion 31 Winding 32, 32' Guide roller 33 Rotating shaft 34 Support wall 35 Long groove 36 Winding storage 37 Axis support 38 Segment 39 Notch 41 Passing opening 42 Separation 43 fixing element 44 pivot support wall 47 screw end portion 48 fixing nut 49 sleeve 50 console 51 support fixing portion 53 roller 54, 56, 56 'electric motor 55 radial slot 57 rotating body 57' peripheral member 58 central opening 59 tooth engagement Numeral 60 Support 61 Rotating unit driving device 62 Rotating shaft 63 Rotating point 64 Pneumatic cylinder 65 Pneumatic piston 66 Outer disk 67 Reverse actuating valve 68 Arc-shaped supply unit 70 Toothed gear 71 Annular core choke coil 72 Winding 73 winding coil 74 guide tape 75 guide auxiliary means 76 hollow torus part 77 spiral coil 78 conductive layer 79 annular core transformer 80 intermediate insulating layer 81 start end 82 end 83 coil support body 84 tip wall 85 gear 86 annular core alignment mechanism 87 Centerline 88 Annular core winding Lifting surface 89 Annular core driving means 90 Winding accumulation press roller 91 Switching unit 92, 93 Arrangement means 94 Connecting plate 95 Longitudinal arrangement member 96 Base 97 Vertical arrangement member 98 Holding plate 99 Fixing band 100 Clamp

Claims (57)

In particular, an apparatus for winding a wire, such as a metal wire or a metal ribbon, around a closed annular core to produce a choke coil or transformer for the kilowatt to megawatt range, said apparatus performing pre-winding In an apparatus comprising at least one winding storage support for subsequently winding a wire on the annular core,
The winding storage support (4) cuts the annular core placement surface of the device (1), the annular profile section of the annular core (2) that can be wound in the device (1) A winding device characterized in that it surrounds the hollow space (6) in the cross-section for accommodating the wire and can be partially vacated or vacated in the circumferential direction.   An annular core alignment means (7) is adjusted so that the annular core (2) can be aligned so that it engages through the hollow space (6) of the winding storage support (4). The winding device according to claim 1, wherein the winding device is provided.   An annular core driving means is provided so that the annular core (2) can be rotationally driven in its circumferential direction, and the annular core driving means is divided into a triangular arrangement configuration especially in the ring surface of the annular core (2). The winding device according to claim 1, wherein the winding device has three rollers or roller pairs arranged.   The winding machine (16) rotatable around the annular core section is provided for winding the wire (3) around the annular core (2). The winding apparatus of any one of Claims.   The winding machine (16) has at least a press roller (18) supported via a spring or via a pneumatic means or a hydraulic means. The winding device according to item 1.   6. Winding device according to any one of the preceding claims, characterized in that the winding machine has a plurality, in particular three bending rollers (29, 46).   The winding storage support (4) is formed, in particular, as a hollow torus-like segment (5) that extends over substantially a half circumference, and its core cover is openable or partially vacant with respect to a cross section perpendicular to the circumferential direction. The winding device according to any one of claims 1 to 6, wherein:   Semi-annular sheath (5) in which said hollow torus segment (5) is in the form of two ring segments, in particular a joint (9) in or parallel to the ring face is connectable or openable to each other The winding device according to any one of claims 1 to 7, further comprising: '5 ").   A guide unit (26) for a wire rod (3) is provided for the hollow torus-like segment (5), and the guide unit is positioned with respect to a pre-winding radius in the pre-bending of the wire rod (3). 9. Winding device according to any one of the preceding claims, characterized in that it comprises a bending roller (29) adapted to a pre-bending radius equal to or somewhat larger than the hollow torus (5).   The said guide unit (26) is adjusted in the direction which has the circumferential direction component of a hollow torus in supply of the said wire (3) to the said hollow torus-like segment (5). The winding device according to any one of claims 9 to 9. The winding storage support (4) has a plurality of guide members arranged on the circumference, in particular a plurality of guide rollers (32) assigned to a roller circle;
The radial position of the guide member can be adjusted via a holding means that can be loosened, in particular through a holding means that can be loosened and moved via a long slot facing the radial direction of the holding surface. The winding device according to any one of claims 1 to 10, characterized in that: The winding machine (16) has a rotating body with a through hole (41) to engage the annular core cross-section at the periphery;
The cross-section that the through-hole (41) surrounds perpendicularly to the opening axis is partially or particularly partially open to the through-hole (41). Item 12. The winding device according to any one of Items 11. A rotating body (57) is rotatable around the annular core cross-section via a winding unit drive (61);
The rotary body (57) is provided with at least one press roller (18) that can be switched to the cross-section of the annular core in a rotational plane in a pneumatic manner. 13. The winding device according to any one of items 12. The press roller (18) is attached to the rotating body (57) off center with respect to the rotating shaft (62),
The press roller (18) is rotatable, in particular via a pneumatic cylinder (64) or a pneumatic piston (65) acting off the center and acting on the rotary shaft (62);
The winding device according to any one of claims 1 to 13, wherein the pneumatic cylinder (64) for storing pressure has a reverse operation valve (67).   One or more guide rollers (32) of the winding storage support (4) are connected to a guide roller drive source (56) to assist in winding and / or unwinding of the winding storage (36). The winding device according to any one of claims 1 to 14, wherein the winding device is provided.   Control means for the winding unit drive (61) and / or guide roller drive source (56), in particular program control means such as memory-programming control (SPS), and / or adjusting means are provided, and the desired means The winding device according to any one of claims 1 to 15, wherein the winding device is suitable for attaining a speed ratio with a winding unit drive device and a guide roller drive source that change particularly with time.   The rotating shaft of the guide roller (32) is held by the winding storage support (4) so as to move in the radial direction of the winding, and in particular, the guide roller (32) acts from the inside in the radial direction. The winding device according to any one of claims 1 to 16, further comprising means for generating an actuating spring-like force.   A guide unit (52) having at least three rollers (53), at least one of which is connected to a rotational drive source (54), is provided for supplying the wire (3) to the winding storage support (4). The roller (53) is pressed against the driven roller (53) while the wire (3) is bent and passed by a gap between two rollers formed by the roller (53). The winding device according to any one of claims 1 to 17, wherein the winding devices are arranged mutually. At least three reel-like rollers (11, 11 ′, 11 ″) arranged geometrically on the annular core alignment surface through their separate positions, in particular arranged in the annular core alignment mechanism (86), Provided as an annular core alignment means (7),
The reel-like rollers (11, 11 ′, 11 ″), in particular, extend in the direction of the cutting line of the annular core alignment surface by the winding storage surface stretched by the winding storage (36) or in a parallel direction. , Can be selectively repositioned as a whole in at least one first direction (X),
At least one reel-shaped roller (11) is selectively repositioned independently relative to the other reel-shaped rollers (11 ′, 11 ″), particularly in the first direction (X). The winding device according to any one of claims 1 to 18, wherein the winding device is possible.   A second direction (Y) in which the reel-like rollers (11, 11 ′, 11 ″) extend in the direction of the annular core alignment surface or in a direction parallel to the direction and in particular in a direction perpendicular to the first direction (X). 20) The winding device according to any one of claims 1 to 19, wherein the position can be changed as a whole.   The reel-shaped rollers (11, 11 ′, 11 ″) are relatively in the first direction and / or the relative to the winding machine (16) and / or the winding storage support (4). The winding device according to any one of claims 1 to 20, characterized in that the positions can be mutually changed in the second direction (X, Y). For controlling at least the arrangement drive for changing the overall position of the reel-like rollers (11, 11 ′, 11 ″) and the arrangement drive for changing the relative position of at least one reel-like roller (11); In particular memory-programming control or adjustment means are provided,
A desired position of the annular core (2) that can be aligned between the reel-like rollers (11, 11 ', 11 ") and / or the annular core (2) Suitable to achieve and keep the desired pressure of the reel-like rollers (11, 11 ′, 11 ″) against the winding drive
The winding device according to any one of claims 1 to 21, wherein a servo driving unit is provided as the arrangement driving unit.   In particular, the memory for synchronous control of the driving of the guide roller drive source (56) of the annular core drive means (89) and / or the winding unit drive (61) and / or the winding storage (36) The programming control or adjustment means are suitable in connection with the arrangement drive control means for changing the overall or individual position of the reel-like rollers (11, 11 ′, 11 ″) The winding device according to any one of claims 1 to 22.   The guide roller (32 ') is periodically switched in the winding storage surface via the switching unit (91), and engages with the winding storage (36) from outside in the radial direction and is driven to rotate. 24. A winding storage press roller (90) switchable from the radially inner side to the winding storage (36) is provided at a peripheral portion. Item 1. A winding device according to item 1. The switching unit (91) is provided with placement means, in particular first pneumatic placement means (92) for introduction into and removal from the winding storage surface, to the inner periphery of the winding storage. Second pneumatic arrangement means (93) for introduction and removal therefrom;
The switching unit (91) detects the position of the press roller (18) of the winding machine (16) and / or the position or passage of the wire, in particular via the memory-programming control means or adjusting means. The winding device according to any one of claims 1 to 24, wherein the winding device is controllable in accordance with a signal of at least one sensor.   In particular, the memory-programming control means or adjusting means is adapted to synchronize the winding unit drive device (61) and the guide roller drive means (56, 56 '), in particular the guide roller drive means (56, 56'). ) Driving speed adjustment, in particular increase, is suitable for making the winding accumulator press roller (90) within the time that it is pressed against the winding accumulator (36). The winding device according to any one of claims 1 to 25. A method of manufacturing a choke coil or transformer in the kilowatt to megawatt range, in particular, by winding a wire (3) such as a metal wire or a metal ribbon around a particularly closed annular core (2), wherein the wire (3) In a method of winding and forming a winding reserve (36) from the winding reserve (36) onto the annular core (2),
The pre-winding to the winding reservoir (36) is performed so as to have a hollow cross section (6 ′) larger than the cross section of the annular core profile and surround the cross section of the annular core inside. Winding method.   The wire (3) is wound on the annular core (2) from the winding reservoir (36) radially inward with respect to its intermediate axis, in particular under continuous reduction of the winding radius. The winding method according to claim 27, characterized in that:   The annular core (2) is driven constant in the circumferential direction so that a winding (31) spirally wound on the annular core (2) is formed between the windings. The winding method according to claim 27 or 28.   The said wire (3) is wound around the circumference | surroundings of the said annular core via the winding machine (16) rotated around an annular core cross section in the said winding. The winding method of any one of Claims.   28. The wire rod (3) is pressed against the annular core (2) via a press roller (18) provided in the winding machine (16) in the winding. The winding method according to any one of claims 30 to 30.   In the winding, the wire (3) is bent in advance via a bending roller (29) provided on the winding machine (16) and placed on the annular core (2). The winding method according to any one of claims 27 to 31, wherein the winding method is characterized in that:   In the hollow space (6) of the winding storage support (4) in which the annular core (2) is formed as a hollow torus-like segment (5) having a core cover that can be opened or partially opened in cross section 27 to 32, characterized in that they are arranged circumferentially, in particular concentrically, after which the wire (3) is pre-wound onto the winding storage support (4). The winding method of any one of Claims.   Before the wire (3) reaches the winding storage support (4) in the pre-winding, it is somewhat larger or substantially the same size as the pre-winding radius on the winding storage support. The winding method according to any one of claims 27 to 33, wherein the winding is performed in advance with a pre-bending radius.   In order to realize the winding accumulator (36) wound in a spiral manner in the pre-winding of the wire (3) on the winding accumulating support (4), the circumferential component of the winding accumulating support 35. The winding method according to any one of claims 27 to 34, wherein the winding method is guided in a direction including   On the winding storage support (4), the wire (3) has a plurality of guide members arranged on the circumference, in particular a plurality of guide rollers 32 arranged in one or more roller circles. The winding method according to any one of claims 27 to 35, wherein the winding method is performed in advance.   After the pre-winding, the guide member or the guide roller (32) is sequentially removed from the inside of the winding storage (36) and transferred to the outside of the winding storage (36). The winding method according to any one of claims 27 to 36.   After the setting of the guide member or the guide roller (32), the winding reserve (36) is wound on the annular core (2) starting from its radially inner end. The winding method according to any one of claims 27 to 37.   The wire core (3) is spirally wound from the winding reserve (36) with a substantially appropriate alignment accuracy to form a plurality of layers (78) that are positioned above and below each other. (2) It is characterized in that a wound coil (73) wound in a spiral shape is formed, having a total cross-sectional thickness several times the cross-sectional thickness of the wire (3). The winding method according to any one of claims 27 to 38.   40. The ribbon material according to any one of claims 27 to 39, characterized in that a ribbon material is used as the wire material (3) whose cross-sectional width is larger than the cross-sectional thickness, in particular at least for large configurations. The winding method as described.   Prior to winding the wire (3) onto the annular core (2), the annular core (2) extends along the longitudinal direction at least at both ends thereof, and the guide auxiliary means (75) protrudes radially outward. The winding method according to any one of claims 27 to 40, wherein the winding method is wound spirally by a guide tape (74).   A sensor is used for winding the wire (3) with a preferred alignment accuracy, the signal of which depends on the position of the winding and the control of the annular core (2) and / or the winding machine 42. The method according to any one of claims 27 to 41, characterized in that it is used for the purpose of achieving a speed ratio of the drive of the core or winding machine suitable for winding with a preferred alignment accuracy. The winding method as described.   27. After winding the wire (3) onto the annular core (2), the winding coil (73) is separated at at least one position to produce a connection terminal. The winding method according to any one of claims 42. The annular core (2) is surrounded by a hollow torus (76) from which the guide auxiliary means (75) for the wire (3) protrudes radially outward from its outer cover,
The guide auxiliary means (75) is provided along a path that is spaced from each other and wound at least in a spiral shape, and the wire (3) is disposed on the side of the guide auxiliary means (75) on the hollow torus (76). 45. The winding method according to any one of claims 27 to 43, wherein the winding method is performed while touching. From the winding reservoir (36), the wire (3) forms a plurality of layers (78) positioned one above the other with substantially suitable alignment accuracy while confining the intermediate insulating layer (80). Spirally wound on the annular core (2),
The winding method according to any one of claims 27 to 44, wherein a starting end and a terminating end of the wire (3) are supplied as connection terminals of a continuous winding (72). Ribbon material is used as the wire (3), and is wound spirally from the winding reservoir (36) to the annular core (2),
The annular core winding surface is moved laterally to form a pitch, and in particular substantially parallel to the lateral side with respect to the center line (87) cutting the annular core (2) at its ring surface. The winding method according to any one of claims 27 to 45, wherein the winding method is adjusted so as to shift. In winding the wire (3) onto the annular core (2) from a winding storage support (4) having a plurality of guide rollers (32, 32 ') arranged on the circumference, At least one guide roller (32 ′) is driven to rotate;
In particular, via a memory-programming control, a winding storage press roller (90) is introduced into the winding storage surface where it is driven radially outside the winding storage (36). ) Is pressed against the winding reservoir (36) from the radially inner side, and is periodically and alternately, especially during the time when the wire (3) passes through the ring-shaped opening. 47. A winding method according to any one of claims 27 to 46, characterized in that the winding storage (36) separates and is removed from the winding storage surface.   When winding the wire (3) onto the annular core (2), depending on the circumference of the annular core or the circumference of the winding of the annular core that is increased by the winding, it is used as the annular core alignment means (7). The position and / or spacing of the reel-shaped rollers (11, 11 ′, 11 ″) to be held in a desired position and / or the reel-shaped rollers (11, 11 ′, 11). ") To hold the annular core (2) at a desired pressure and / or to maintain the peripheral speed of the annular core at a desired ratio to the winding peripheral speed at the annular core winding surface, 48. Winding method according to any one of claims 27 to 47, in particular controlled via memory-programming control (SPS). An annular core choke coil having a closed annular core and at least one coil having a wire wound helically around the annular core;
The cross section of the wire (3) fits in the kilowatt to megawatt range with respect to the conductor portion of the annular core choke coil;
An annular core choke coil, characterized in that the coil (31) extends on the annular core surface over at least the main part around the annular core, in particular substantially over the entire annular core. A closed annular core and a primary winding and a secondary winding, each having at least one, one or both of which has a wire wound helically around the annular core;
The cross-section of said wire (3) of at least one primary and / or secondary winding fits in the kilowatt to megawatt range with respect to the conductor part of the annular transformer;
At least one coil (31) having a cross section that fits in the kilowatt to megawatt range, with respect to the annular core surface, at least over the main part of the circumference of the annular core, in particular substantially over the circumference of the entire annular core. An annular core transformer, characterized by spreading. In particular, an annular core choke coil having a closed annular core (2) and at least one coil (72) having a wire (3) spirally wound around said annular core (2),
The wire rod (3) is formed of a plurality of layers (78) made of the wire rod (3) positioned above and below each other with substantially preferable alignment accuracy, and is a wound coil wound around at least one spiral ( 73), and the thickness of the winding coil (73) is larger than the thickness of the wire (3), in particular, several times as thick.   52. An annular core according to claim 49 or 51, characterized in that the wire (3) is provided with a ribbon-like material having a cross-sectional width larger than the cross-sectional thickness, in particular at least in a large configuration. choke coil.   53. A coil according to claim 49, claim 51 or claim 52, characterized in that the winding coil (73) has a cross section in the range of a rectangle, in particular a square and a thickness in the order of mm to 1 cm or several cm. The annular core choke coil as described. In particular, an annular core choke coil having a closed annular core (2) and at least one coil (72) having a wire (3) wound spirally around the annular core (2).
The wire (3) is wound in a plurality of layers (78) composed of the wire (3) positioned above and below each other with substantially preferable alignment accuracy while confining the intermediate insulating layer (80). 54. An annular core choke coil according to claim 49, claim 51, claim 52 or claim 53, wherein the plurality of layers (78) extend in a line. The annular core choke coil (71) according to any one or more of the above claims, wherein the spirally wound winding forms a primary winding,
51. The annular core transformer according to claim 50, wherein the secondary winding includes a spiral coil having several wires and surrounding the primary winding and connected in parallel or in series with each other. vessel.   In each of the spiral coils (77) of the secondary winding, the wire is wound on a coil support (83) that is made of an insulating material and can be divided and has a gear (85) on the side surface side. 56. An annular core transformer as claimed in claim 50 or claim 55.   In each of the spiral coils (77) of the secondary winding, the spiral coil is formed such that the wire, particularly a round wire, becomes narrower from the center line of the coil toward the radially outer side while forming a substantially triangular shape as a whole. 57. An annular core transformer according to claim 50, 55, or 56, wherein the annular core transformer is wound in a cross-section.

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