Impregnation device for impregnating bodies, in particular wound goods, impregnation plant and method for operating at least one impregnation device

Abstract

Impregnation device (2) for impregnating bodies (4), in particular wound materials, with at least one holding device (6) having at least one holding means (8) on which a body (4), in particular a wound material, can be fixed, with at least one first working area (10) in which at least the body (4) can be fixed on the holding means (8) and in which the body (4) can be released from the holding means (8) again, with at least one second working area (12) in which at least one impregnation container (14) is arranged which is filled with a fluid impregnating the body (4), with at least one transfer device (16) by which the holding means (8) can be transferred from the first working area (10) to the second working area (12) and back, and with at least one electric heating unit (18) comprising at least one contact means (20) fixed in or on the holding means (8),the body (4) can be manually or automatically connected or connected in the arrangement of the body (4) fixed on the holding means (8) with at least one phase connection (22) of the body (4), which can be continuously and without interruption connected or connected to a power supply of the electric heating unit (18) when the holding means (8) is transferred from the first working area (10) to the second working area (12), and by which the body (4) can be electrically heated continuously and without interruption in the first working area (10) and in the second working area (12), wherein the transfer device (16) comprises at least one bearing unit (30) comprising a rotary axis (28), wherein the transfer of the at least one holding means (8) from the first working area (10) to the second working area (12) comprises a rotary or oscillating movement about the rotary axis (28) of the bearing unit (30), characterized by at least one lifting / lowering device (34),comprising at least one first lifting / lowering means (36) in the first working area (10) by which the body (4) is movable, in particular liftable, along a first direction of movement (38) onto the holding means (8), and comprising at least one second lifting / lowering means (40) in the second working area (12) by which the impregnation container (14) is movable, in particular liftable, along a second direction of movement (42) onto the body (4), and the body (4) is arrangable in the fluid, wherein the first direction of movement (38) and the second direction of movement (42) are parallel to the axis of rotation (28) of the bearing unit (30).

Description

[0001] The invention relates to an impregnation device for impregnating bodies, in particular wound materials, with at least one holding device comprising at least one holding means on which a body, in particular a wound material, can be fixed, with at least one first working area in which at least the body can be fixed on the holding means and in which the body can be released from the holding means again, with at least one second working area in which at least one impregnation container is arranged which is filled with a fluid impregnating the body, with at least one transfer device by which the holding means can be transferred from the first working area to the second working area and back, and with at least one electric heating unit comprising at least one contact means fixed in or on the holding means.a holding device which, in the arrangement of the body fixed on the holding device, can be connected manually or automatically to at least one phase connection of the body, which, during the transfer of the holding device from the first working area to the second working area, can be continuously and without interruption connected to a power supply of the electric heating unit, and by which the body can be electrically heated continuously and without interruption in the first working area and in the second working area, wherein the transfer device comprises at least one bearing unit comprising a rotary axis, wherein the transfer of the at least one holding device from the first working area to the second working area comprises a rotary or oscillating movement about the rotary axis of the bearing unit, an impregnation plant with such a holding device and a method for operating at least one such impregnation device.

[0002] It is known to impregnate components, especially wound materials for electrical machines such as laminated cores with windings, to reduce the movement of individual conductors that occurs during operation. For this purpose, a component, particularly a wound material, is immersed in an impregnation station into an impregnation tank containing the impregnating fluid. To improve the impregnation result, the component is preheated or heated to a desired temperature before and / or during immersion.

[0003] The resulting solidification and bonding of the individual components of the winding, especially the winding wires and insulation, enables the winding to withstand the mechanical forces generated during operation. Furthermore, this protects the winding insulation against the ingress of moisture, dust, corrosive substances, and chemicals. Finally, the thermal conductivity is improved, allowing the heat from the conductors to be transferred to the lamination core without excessive temperature difference.

[0004] Impregnation devices for impregnating bodies are known in which the bodies are first preheated at a heating station. These heating stations can include ovens in which the bodies can be heated by conduction, radiation, and / or induction.

[0005] From WO 2018 / 059 731 A1, a method for impregnating bodies is known in which several bodies are first preheated to a desired temperature at a heating station by means of inductive heating. Subsequently, these bodies are transported to an impregnation station operating with electrical heating and are further heated there by means of electrical heating. Following this, the bodies are impregnated simultaneously and together and, after impregnation, transported away from the impregnation station.

[0006] From US 2 442 183 A an impregnation device is known in which bodies to be impregnated, which are suspended above a dipping basin, are moved into the dipping basin by means of a pivoting movement about a horizontally extending axis.

[0007] From DE 196 31 474 C1 an impregnation device is known in which bodies to be impregnated, which are moved on a rail above a dipping tank in a translational direction, are moved by raising the dipping tank and lowering the body to be impregnated.

[0008] In known methods, a disadvantage has been found to be that the workpieces must be disconnected from a power source when moving from one station to the next, for example, from a heating station to an impregnation station. This necessitates reconnecting to the power source in a subsequent process step. This can lead to data loss, unreliable process control, variations in the fill factor and thickness of the impregnation layer on the workpieces, and / or damage or destruction of the impregnation. Furthermore, arcs can occur at the individual processing stations, which can compromise the process and reduce the station's lifespan.

[0009] One object of an embodiment of the invention is to propose an impregnation device, an impregnation plant and a method for operating at least one impregnation device in which the impregnation of bodies is improved.

[0010] This problem is solved in an impregnation device mentioned above by comprising at least one lifting / lowering device, which includes at least one first lifting / lowering means in the first working area, by which the body can be moved, in particular lifted, onto the holding means along a first direction of movement, and which includes at least one second lifting / lowering means in the second working area, by which the impregnation container can be moved, in particular lifted, onto the body along a second direction of movement, and the body can be arranged in the fluid, wherein the first direction of movement and the second direction of movement run parallel to the axis of rotation of the bearing unit.

[0011] Because the body is continuously and uninterruptedly connected to the electric heating unit in the position fixed to the holding device, the body, and especially the material being wound, can be electrically heated continuously and without interruption. This has the advantage that the body only needs to be connected to the electric heating unit once, and repeated disconnection and reconnection are avoided. This prevents data loss and damage to or destruction of the impregnation. Furthermore, the risk of arcing during reconnection is reduced. The sum of these advantages increases the reliability of the process control with the impregnation device described above.

[0012] The body in question may be a wound component, in particular a rotor or a stator, for an electric machine.

[0013] In such a case, the at least one body can be automatically secured to the at least one holding device as soon as the body is positioned in the impregnation device. Furthermore, the impregnation of the body can also be automated by providing the second lifting / lowering device.

[0014] Because the lifting / lowering device comprises the first lifting / lowering element and the second lifting / lowering element, the holding element can be guided by the transfer device in a horizontal plane without requiring the holding element to be moved along the first and / or second direction of movement. This simplifies the impregnation device.

[0015] The first and second directions of movement can be parallel to each other. Furthermore, the first and second directions of movement can be parallel to a vertical line.

[0016] The transfer device allows the at least one holding element to be moved arbitrarily from the first working area to the second working area. This can, for example, involve a linear or curved movement.

[0017] The bearing unit encompassing the axis of rotation allows for a 180° rotation via the transfer device, which pivots from the first working area to the second working area by this 180°. This enables the power supply to the electrical heating unit, for example, via a cable, further increasing process reliability and secure contact. The axis of rotation can, for example, involve transferring the holding element in a substantially horizontal plane.

[0018] To determine the optimal current strength of the power supply, it proves advantageous if the impregnation device has at least one control unit comprising at least one sensor means, by which an electrical resistance of the body can be detected or determined when arranged on the holding means and / or when connected to the at least one contact means of the electric heating unit, in particular a winding resistance (R20 value) of the body can be detected, and by which a current strength of the power supply can be adjusted on the basis of the detected or determined electrical resistance.

[0019] The resistance value of R20 can be determined by an initial measurement of current and voltage when cold.

[0020] Furthermore, in one embodiment of the impregnation device, the control unit includes an automatic or manually operated input device with which at least one temperature of the body can be set. This ensures that the body is not overheated and that a sufficiently high temperature is reached to achieve a high-quality impregnation process.

[0021] To connect the contact element fixed to the holding device to at least one phase terminal of the body for continuous and uninterrupted connection to the power supply of the electric heating unit, the contact can be made, for example, by screwing, clamping with spring force and / or by means of an eccentric or toggle clamp. This can be done automatically or manually.

[0022] For example, it is conceivable that when the body is fixed to the holding device, the contact medium and the phase connection of the body are simultaneously and automatically connected to each other.

[0023] Furthermore, contacting can include pneumatic, hydraulic and / or electrical clamping.

[0024] In principle, it is conceivable that the body can be fixed to the holding device in any desired manner. It proves advantageous if the impregnation device comprises at least one lifting / lowering device, which includes at least one first lifting / lowering element in the first working area, by which the body can be moved, in particular lifted, onto the holding device along a first direction of movement, and which includes at least one second lifting / lowering element in the second working area, by which the impregnation container can be moved, in particular lifted, onto the body along a second direction of movement, and the body can be arranged in the fluid.

[0025] In such a case, the at least one body can be automatically secured to the at least one holding device as soon as the body is positioned in the impregnation device. Furthermore, the impregnation of the body can also be automated by providing the second lifting / lowering device.

[0026] Because the lifting / lowering device comprises the first lifting / lowering element and the second lifting / lowering element, the holding element can be guided by the transfer device in a horizontal plane without requiring the holding element to be moved along the first and / or second direction of movement. This simplifies the impregnation device.

[0027] The first and second directions of movement can be parallel to each other. Furthermore, the first and second directions of movement can be parallel to a vertical axis. In one embodiment of the impregnation device, the first and second directions of movement are parallel to the axis of rotation of the bearing unit.

[0028] In principle, it is conceivable that only one object is processed by the impregnation device. To reduce the processing time of an impregnation device, it proves advantageous if the impregnation device comprises at least two holding means, at least one transfer device, and at least two contact means, wherein each contact means is assigned to a holding means, and wherein at least one holding means can be arranged in the first working area, at least one holding means can be arranged in the second working area, and wherein, when transferring one of the at least two holding means from the first working area to the second working area, a transfer of at least one further holding means from the second working area to the first working area is included.

[0029] By processing the processes in parallel, the required number of impregnation containers is halved. Furthermore, the body in the first working area can be electrically preheated while the body in the second working area is being impregnated.

[0030] Because the workpieces are continuously and uninterruptedly connected to the electrical heating unit, high process stability and data security are ensured even during parallel processing. In particular, data transfer from the first work area to the second work area and the subsequent plausibility check are eliminated.

[0031] Furthermore, embodiments of the impregnation device are conceivable in which the number of holding elements and the number of contact elements are multiples of two. For example, impregnation devices with two, four, six, eight, or more holding elements and contact elements, as well as electrical heating units, can be provided. In such cases, it proves particularly advantageous if all holding elements and contact elements are assigned a common transfer device. In this case, the impregnation device is designed in a carousel-like configuration between the first and second working areas. In the first holding area, the bodies can then be fixed to and released from the holding elements and electrically heated, while in the second working area they can be impregnated.

[0032] This allows for more compact processing compared to conventional impregnation devices and reduces the space or footprint required. In this way, productivity can be increased or at least maintained at the same level on the same or a reduced footprint.

[0033] A suitable embodiment of the impregnation device comprises at least four holding means, a transfer device and at least four contact means, wherein each contact means is assigned to a holding means and wherein at least two holding means can be arranged in the first working area, at least two holding means can be arranged in the second working area and wherein the transfer of the at least two holding means from the first working area to the second working area comprises a transfer of the at least two further holding means from the second working area to the first working area.

[0034] In principle, it is conceivable that the impregnation container could be of any size, provided that it has a minimum size by which at least one body can be arranged in the impregnation container.It proves advantageous if, in the second working area, each body can be assigned or is assigned an impregnation container which, viewed transversely to the direction of movement of the second lifting / lowering device, has a width at least 1.1 to 5 times, in particular 1.3 to 2 times, the width of the body viewed transversely to the direction of movement of the second lifting / lowering device, or if, in the second working area, all bodies can be assigned or are assigned a common impregnation container which, viewed transversely to the direction of movement of the second lifting / lowering device, has a width at least 1.1 to 5 times, in particular 1.3 to 2 times, the sum of the widths of both bodies viewed transversely to the direction of movement of the second lifting / lowering device, plus the distance between any two spaced-apart bodies.

[0035] This allows for a compact design of the impregnation container. Furthermore, this enables a homogeneous distribution of the impregnating fluid, and in particular a homogeneous temperature distribution.

[0036] Compared to known impregnation devices, this reduces the number of diving sites.

[0037] In one embodiment of the impregnation device, it is advantageous if the impregnation device comprises at least one protective housing in which at least one of the at least one first working area and at least one of the at least one second working area are arranged, and which includes at least one first access means, such as a door, through which the first working area is accessible from the outside, and which includes at least one second access means, such as a door, through which the second working area is accessible from the outside.

[0038] This makes the first and second work areas easily accessible from the outside.

[0039] The accessibility of the first and second work areas via the first access means and the second access means, respectively, allows one work area to be serviced or inspected while processing continues in the other work area.

[0040] In such a case, even if a malfunction occurs, only the affected work area can be serviced, while the other work area continues to operate.

[0041] In a further development of the latter embodiment, the impregnation device can comprise at least one piping and pumping system through which the fluid impregnating the body can be conveyed or pumped into the impregnation container and which can be arranged inside or outside the protective housing.

[0042] In principle, it is conceivable that the body is exclusively impregnated in the second working area. Furthermore, it is conceivable that the body can also be cleaned in the second working area. In such a case, one embodiment of the impregnation device provides at least one cleaning unit that can be arranged, or is arranged, in the second working area and that includes at least one cleaning device by which at least one of the at least one body can be cleaned after being placed in the impregnation container.

[0043] In such a case, the body can be cleaned above the basin. Providing a cleaning unit in the second work area can further improve the production of an impregnated body. In particular, if at least two holding devices are provided, with at least one holding device in the first work area and at least one holding device in the second work area, a body can be impregnated and cleaned in the second work area while, in the first work area, the body is electrically preheated to a predetermined temperature. This reduces unused dwell times.

[0044] In principle, it is conceivable that the impregnation device, in particular the first working area, is loaded and / or unloaded manually. It proves advantageous if the impregnation device includes at least one manual or automatic loading and unloading unit by which the first working area can be loaded and / or unloaded with at least one body.

[0045] The manual loading and unloading unit can include, for example, a manual lifting device, a crane, or hoist. The automatic loading and unloading unit can include a workpiece carrier / pallet system, which may additionally or alternatively include a roller, chain, belt, or conveyor belt.

[0046] In conventional impregnation devices, the workpieces undergo the same treatment in batches. For example, eight workpieces are heated and then impregnated simultaneously. This results in time losses during loading and unloading of the impregnation device. By providing a loading and unloading unit, the impregnation device can be loaded and unloaded while at least one workpiece is undergoing a processing step, such as impregnation. This reduces overall processing times.

[0047] To further facilitate loading and unloading the impregnation device, one embodiment of the impregnation device provides that the transfer device includes at least one translational means by which the at least one holding means can be moved and locked transversely to the axis of rotation. The translational means can, for example, be designed like a rail or a trolley.

[0048] To increase the number of bodies that can be processed simultaneously, the problem is solved by an impregnation system with at least one impregnation device having at least one of the aforementioned features. In this case, the impregnation system can be modular and, for example, include several impregnation devices for the parallel processing of two, four, six, eight, or more bodies each.

[0049] Finally, the problem is solved by a method for operating at least one impregnation device having at least one of the aforementioned features, comprising the following steps: a. Securing at least one body to a holding means and connecting the phase terminal of the body to the contact means of the electrical heating unit secured to the holding means; b. Detecting or determining an electrical resistance of the body, when arranging it on the holding device and / or when connecting it to the at least one contact means of the electric heating unit, in particular a winding resistance (R20 value) of the body, by the control unit and setting a current strength of the current supply, and measuring the voltage c. Continuous and uninterrupted electrical heating of the body by the electric heating unit; d. Transferring the holding agent from the first working area to the second working area by means of the transfer device and impregnating the body in the impregnation container; e. Transferring the holding means from the second working area to the first working area by means of the transfer device and releasing the body from a holding means and the phase connection of the body from the contact means of the electrothermal unit fixed on the holding means.

[0050] Step a, namely securing the at least one body to a holding device and connecting the phase terminal of the body to the contact means of the electrical heating unit fixed to the holding device, can be preceded by arranging the body in the impregnation device. In such a case, a body can be introduced into the impregnation device and moved onto the holding device by means of a first lifting / lowering device along the first direction of movement and secured there.

[0051] The continuous and uninterrupted electrical heating of the body by the electric heating unit can, for example, include preheating the body in the first working area.

[0052] Analogous to step a., step e. may include releasing the body from the holding device by means of the first lifting / lowering device of the lifting / lowering unit.

[0053] Impregnating the body may involve moving a second lifting / lowering element of the lifting / lowering unit towards the body.

[0054] The following describes the inventive method as well as further possible process steps of further developments of the aforementioned method in other words: The first lifting / lowering element transfers the body vertically upwards to the holding element of the clamping device. Upon contact of the body with the holding element, the holding element closes automatically and secures the body. Simultaneously, contact is made between the body's phase terminal and the contact element of the electrical heating unit, which is fixed to the holding element. During this process, the control unit performs a plausibility check, in particular determining a so-called R20 value (winding resistance) and comparing it to the contacted body.

[0055] The body is then preheated using electrical preheating.

[0056] In a subsequent step, the holding device is transferred from the first working area to the second working area by the transfer unit. In the second working area, the impregnation container is moved towards the body by a second lifting / lowering device, thereby immersing the body in the impregnating fluid. As the impregnation container is lowered by the lifting / lowering device, the body is cleaned by the cleaning unit's cleaning device. Afterwards, the holding device is transferred back from the second working area to the first working area by the transfer unit.

[0057] The transfer from the first working area to the second working area, or vice versa, preferably involves a 180° rotation. During this process, the holding element swings from the first working area to the second working area.

[0058] As soon as the holding device returns to the first working area, the body is picked up by the first lifting / lowering element of the lifting / lowering device and moved away from the holding device for removal from the impregnation unit. At the same time, the contact between the electric heating unit and the body is interrupted. Until shortly before the contact is interrupted, the body can be continuously and uninterruptedly heated by the electric heating unit.

[0059] Further features, details and advantages of the invention will become apparent from the attached patent claims, the graphic representation and the following description of preferred embodiments of the impregnation device and the method.

[0060] The drawing shows: Fig. 1 A side view of a first embodiment of the impregnation device; Fig. 2 A top view of the embodiment of the impregnation device according to Fig. 1; Fig. 3 A side view of a second embodiment of the impregnation device; Fig. 4 A top view of the second embodiment of the impregnation device according to Fig. 3; Fig. 5 A schematic flowchart of a method according to the invention.

[0061] The figures show two embodiments of an impregnation device, designated overall by reference numeral 2, for impregnating bodies 4, in particular wound materials. In the embodiments shown in the figures, the impregnation device 2 comprises a holding device 6, which has a plurality of holding elements 8. A body 4 can be secured to each holding element 8.

[0062] The impregnation device 2 comprises a first working area 10 in which at least the body 4 can be fixed to and released from the holding means 8. Furthermore, the impregnation device 2 comprises a second working area 12 in which at least one impregnation container 14 can be arranged and filled with a fluid for impregnating the body 4. The impregnation device 2 also comprises a transfer device 16 by which the at least one holding means 8 can be transferred from the first working area 10 to the second working area 12 and back. Finally, the impregnation device 2 comprises a current heating unit 18, which includes at least one contact means 20 fixed to the holding means 8 and which is manually or automatically connected to at least one phase connection 22 of the body 4 in the arrangement of the body 4 fixed to the holding means 8.The electric heating unit 18 is continuously and without interruption connected to a power supply via the contact means 20 at the phase connection 22 during the transfer of the holding means 8 from the first working area 10 and the second working area 12 and back. The electric heating unit 18 allows the body 4 to be electrically heated continuously and without interruption in both the first working area 10 and the second working area 12.

[0063] To adjust the required current strength of the power supply, the impregnation device 2 comprises a control unit 26 including at least one sensor means 24, by which, in particular, an electrical resistance of the body 4 can be detected when it is positioned on the holding means 8 and / or when it is connected to the at least one contact means 20 of the electrical heating unit 18. The electrical resistance of the body 4 can, in particular, include a winding resistance (R20 value) of the body 4.

[0064] In the embodiments shown in the figures, the transfer device 16 comprises at least one bearing unit 30 comprising a rotary axis 28, by which the transfer of the at least one holding means 8 from the first working area 10 to the second working area 12 and vice versa comprises a rotary or pendulum movement about the rotary axis 28.

[0065] Fig. Figure 2 shows a second embodiment of the impregnation device 2, in which the transfer device 16 additionally comprises a translation means 32 by which the at least one holding means 8 can be moved transversely to the axis of rotation 28.

[0066] To bring the body 4 into engagement with the holding means 8 in the first working area 10, the impregnation device 2 comprises a lifting / lowering device 34 with a first lifting / lowering element 36, which is movable along a first direction of movement 38 onto the holding means 8. Furthermore, the lifting / lowering device 34 comprises a second lifting / lowering element 40, which is movable along a second direction of movement 42 and which is arranged in the second working area 12 to move the impregnation container 14 towards the body 4. In order to be able to clean the body 4 after impregnation, the impregnation device 2, in the embodiments shown in the figures, comprises a cleaning unit 46 comprising at least one cleaning device 44. This cleaning unit is also arranged in the second working area 12.

[0067] The Fig. 1 and Fig. Figure 2 shows a first embodiment of the impregnation device 2, in which the holding device 6 comprises two holding elements 8. This allows two bodies 4 to be arranged on the holding elements 8 of the holding device 6. By providing two holding elements 8 of the holding device 6, one holding element 8 is always arranged in the first working area 10 and at least one holding element 8 of the holding device 6 is arranged in the second working area 12. This allows for parallel processing. The parallel processing can, for example, include electrically heating the body 4 in the first working area 10, impregnating the body 4 in the second working area 12, and cleaning the body 4 in the second working area 12 after impregnation. By rotating about the axis of rotation 28 of the bearing unit 30, the holding elements 8 can then exchange their positions. Furthermore, it is shown from the embodiment according to Figure 2 that... Fig. 1 and Fig. 2 shows that the impregnation device 2 is surrounded by a protective housing 48. This is accessible from the outside via access means 50, such as doors.

[0068] The Fig. 3 and Fig. Figure 4 shows a second embodiment of the impregnation device 2, in which an automatic loading and unloading unit 52 is provided, by which the first working area 10 can be automatically loaded and / or unloaded with at least one body 4.

[0069] Based on the schematic flowchart according to Fig. Section 5 below presents an exemplary embodiment of a method for operating an impregnation device 2. Reference is made here to the information contained in the Fig. Reference is made to the components and assemblies shown in sections 1 to 4.

[0070] In a first step 100, at least one body 4 is fixed to at least one holding means 8 of the holding device 6 and the phase connection 22 of the body 4 is connected to the contact means 20 of the electrical heating unit 18 fixed to the holding means 8.

[0071] Step 100 can be preceded by manual or automatic loading of the impregnation device 2 with bodies 4.

[0072] In a subsequent step 101, the control unit 26 detects an electrical resistance of the body 4 as soon as the body 4 is fixed to the holding means 8 and / or as soon as the contact means 20 of the electrical heating unit 18 is in contact with the phase connection 22 of the body 4.

[0073] In a subsequent step 102, the body 4 is continuously and uninterruptedly heated electrically by the electric heating unit 18.

[0074] In a subsequent step 103, the holding agent 8 is transferred from the first working area 10 to the second working area 12 by the transfer device 16 and the body 4 is impregnated in the impregnation container 14.

[0075] In a final step 104, the holding means 8 is transferred back to the first working area 10 and the body 4 is released from the holding means 8, whereby at the same time the phase connection 22 of the body 4 is released from the contact means 20 of the electrical heating unit 18 which is fixed to the holding means 8.

[0076] The features of the invention disclosed in the foregoing description, in the claims and in the drawing can be essential in the realization of the invention in its various embodiments, both individually and in any combination. Reference symbol list 2 Impregnation device 4 bodies 6 Holding device 8 Holding devices 10 first work area 12 second work area 14 impregnation containers 16 Transfer facility 18 electric heating units 20 contact agents 22 phase connection 24 sensor devices 26 Control unit 28 Rotary axis 30 storage units 32 translation tools 34 Lifting / lowering device 36 first lifting / lowering device 38 first direction of movement 40 second lifting / lowering device 42 second direction of movement 44 Cleaning device 46 cleaning units 48 protective housings 50 access devices 52 Loading and unloading units

Claims

[1] Impregnation device (2) for impregnating bodies (4), in particular wound materials, with at least one holding device (6) having at least one holding means (8) on which a body (4), in particular a wound material, can be fixed, with at least one first working area (10) in which at least the body (4) can be fixed on the holding means (8) and in which the body (4) can be released from the holding means (8) again, with at least one second working area (12) in which at least one impregnation container (14) is arranged which is filled with a fluid impregnating the body (4), with at least one transfer device (16) by which the holding means (8) can be transferred from the first working area (10) to the second working area (12) and back, and with at least one electric heating unit (18) comprising at least one contact means (20) fixed in or on the holding means (8),the body (4) can be manually or automatically connected or connected in the arrangement of the body (4) fixed on the holding means (8) with at least one phase connection (22) of the body (4), which can be continuously and without interruption connected or connected to a power supply of the electric heating unit (18) when the holding means (8) is transferred from the first working area (10) to the second working area (12), and by which the body (4) can be electrically heated continuously and without interruption in the first working area (10) and in the second working area (12), wherein the transfer device (16) comprises at least one bearing unit (30) comprising a rotary axis (28), wherein the transfer of the at least one holding means (8) from the first working area (10) to the second working area (12) comprises a rotary or oscillating movement about the rotary axis (28) of the bearing unit (30), , characterized byat least one lifting / lowering device (34) comprising at least one first lifting / lowering means (36) in the first working area (10) by which the body (4) is movable, in particular liftable, along a first direction of movement (38) onto the holding means (8), and comprising at least one second lifting / lowering means (40) in the second working area (12) by which the impregnation container (14) is movable, in particular liftable, along a second direction of movement (42) onto the body (4), and the body (4) is arrangable in the fluid, wherein the first direction of movement (38) and the second direction of movement (42) are parallel to the axis of rotation (28) of the bearing unit (30). [2] Impregnation device (2) according to claim 1, characterized byat least one control unit (26) comprising at least one sensor means (24), by which an electrical resistance of the body (4) can be detected or determined when arranged on the holding means (8) and / or when connected to the at least one contact means of the electric heating unit (18), in particular a winding resistance (R20 value) of the body (4) can be detected, and by which a current strength of the current supply can be adjusted on the basis of the detected electrical resistance. [3] Impregnation device (2) according to claim 1 or 2, characterized by at least two holding means (8), by a transfer device (16) and by at least two contact means (20), wherein each contact means (20) is assigned to a holding means (8) and wherein at least one holding means (8) can be arranged in the first working area (10), at least one holding means (8) can be arranged in the second working area (12) and wherein, when transferring one of the at least two holding means (8) from the first working area (10) to the second working area (12), a transfer of the at least one further holding means (8) from the second working area (12) to the first working area (10) is included. [4] Impregnation device (2) according to at least one of the preceding claims, characterized byat least four holding means (8), a transfer device (16) and at least four contact means (20), wherein each contact means (20) is assigned to a holding means (8) and wherein at least two holding means (8) can be arranged in the first working area (10), at least two holding means (8) can be arranged in the second working area (12) and wherein the transfer of the at least two holding means (8) from the first working area (10) to the second working area (12) includes a transfer of the at least two further holding means (8) from the second working area (12) to the first working area (12). [5] Impregnation device (2) according to at least one of the preceding claims, characterized by, that in the second working area (12) each body (4) is assigned or associated with an impregnation container (14) which, viewed transversely to the direction of movement (38) of the second lifting / lowering means (40), has a width at least 1.1 to 5 times, in particular 1.3 to 2 times, the width of the body (4) viewed transversely to the direction of movement (42) of the second lifting / lowering means (40), or that in the second working area (12) all bodies (4) are assigned or associated with a common impregnation container (14) which, viewed transversely to the direction of movement (42) of the second lifting / lowering means (40), has a width at least 1.1 to 5 times, in particular 1.3 to 2 times, the sum of the widths of both bodies (4) viewed transversely to the direction of movement of the second lifting / lowering means (40), plus the distance between each pair of Bodies spaced apart from each other (4) encompass each other. [6] Impregnation device (2) according to at least one of the preceding claims, characterized byat least one protective enclosure (48) in which at least one of the at least one first working area (10) and at least one of the at least one second working area (12) is arranged and which includes at least one first access means (50), such as a door, through which the first working area (10) is accessible from the outside, and which includes at least one second access means (50), such as a door, through which the second working area (12) is accessible from the outside. [7] Impregnation device (2) according to claim 6, characterized by at least one piping and pumping system through which the fluid impregnating the body (2) can be conveyed or pumped into the impregnation container (14) and which can be arranged or is arranged inside or outside the protective housing (48). [8] Impregnation device (2) according to at least one of the preceding claims, characterized byat least one cleaning unit (46) which can be arranged or is arranged in the second working area (12) and which includes at least one cleaning device (44) by which at least one of the at least one body (4) can be cleaned after being arranged in the impregnation container (14). [9] Impregnation device (12) according to at least one of the preceding claims, characterized by at least one manual or automatic loading and unloading unit (52) by which the first working area (10) can be loaded and / or unloaded with at least one body (4). [10] Impregnation device (2) according to at least one of the preceding claims, characterized by , that the transfer device (16) comprises at least one translation means (32) by which the at least one holding means (8) can be moved and fixed transversely to the axis of rotation (28). [11] Impregnation plant with at least one impregnation device (2) according to any one of claims 1 to 10. [12] Method for operating at least one impregnation device (2) according to any one of claims 1 to 10 comprising the steps: a. Fixing at least one body (4) to a holding means (8) and connecting the phase terminal (22) of the body (4) to the contact means (20) of the electrothermal unit (18) fixed to the holding means (8); b. Detecting or determining an electrical resistance of the body (4) when arranging it on the holding means (8) and / or when connecting it to the at least one contact means (20) of the electrical heating unit (18), in particular a winding resistance (R20 value) of the body (4), by the control unit (26) and setting a current strength of the current supply; c. Continuous and uninterrupted electrical heating of the body (4) by the electric heating unit (18); d. Transferring the holding agent (8) from the first working area (10) to the second working area (12) by means of the transfer device (16) and impregnating the body (4) in the impregnation container (14); e. Transferring the holding means (8) from the second working area (12) to the first working area (10) by means of the transfer device (16) and releasing the body (4) from a holding means (8) and the phase connection (22) of the body (4) from the contact means (20) of the electrothermal unit (18) fixed to the holding means (8).

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