Classifications

• • H—ELECTRICITY
  • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • H02K—DYNAMO-ELECTRIC MACHINES
  • H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
  • H02K11/04—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for rectification
  • H02K11/049—Rectifiers associated with stationary parts, e.g. stator cores
  • H02K11/05—Rectifiers associated with casings, enclosures or brackets

Definitions

• the invention relates to a rectifier device and an electrical machine with a rectifier device according to the invention according to the preamble of the independent claim.
• Known rectifier devices such as are known, for example, from European patent EP 0 960 464 B1, are not known for any special connections which are led away from the circuit board, for example, axially outward. In these embodiments, it is disadvantageous that certain voltage signals from the circuit board can not be tapped directly from outside.
• Main claim has the advantage that by providing a bolt-like connection to one of the web conductor of the rectifier device, a connection is present from which electrical signals can be tapped.
• the web guide has a U-shaped bolt receptacle on which the bolt-like connection is added, it is possible, for example, from simple wires in favorable way to provide a suitable holding device for the bolt-like connection.
• connection between receiving socket and bolt receptacle Quality of the connection between receiving socket and bolt receptacle. It is made possible here by a kind of fit, which almost positively receives the receiving socket.
• a further advantageous embodiment is given when the bolt-like connection has a bolt portion which follows the receiving socket and is seated on the U-shaped bolt receptacle. This design results in a kind of stage in which the web conductor is accommodated suitable.
• the bearing surface between the web guide and bolt-like connection is at least doubled and thus a contact resistance is particularly low.
• the connection point can be made particularly strong, since the contact surfaces are relatively large.
• Bolt recording passed to the wiring board, but they would already passed to a good extent on the form-fitting contour in the enclosure of insulating material, so that a particularly good power dissipation takes place.
• Outer diameter is greater than that of the receiving nozzle and / or the following on the receiving neck bolt portion, this is for example perforated contact tabs a large-scale support on the bolt-like connection possible.
• the electric machine with the rectifier device according to the invention has a protective cap which covers the rectifier device on the one hand and on the other hand, the bolt-like connection protrudes through an opening of the protective cap. This allows attachment of a tab on this bolt-like connection from outside the electrical machine.
• Figure 1 is a perspective view of the invention
• Rectifier device Figure 2 is a plan view of the invention
• FIGS. 4a to 4d show a connection in different embodiments
• FIG. 5 shows a connection with superimposed bar conductors
• Figure 6 schematically a protective cap and the passing
• FIG. 7 shows schematically an electrical machine
• FIG. 8 shows an alternative embodiment of
• the rectifier device 10 consists of a plate-shaped plus heat sink 27 and a minus heat sink 28 made of thermally conductive metal, preferably aluminum.
• the two superimposed heat sink 27 and 28 are electrically insulated from each other by a spacer 29 and together with a arranged on the upper heat sink 27 interconnection plate 30 in layers on a front region of a not shown here rear shell half bearing shield - A -
• a plurality of minus diodes 31 are pressed into preferably fluted bores with their anode connection, wherein the minus heat sink 28 for dissipating the heat loss from the minus diodes 31 is to be fastened flat on the front side of the rear shell half.
• a plurality of positive diodes 32 are pressed in on the cathode side in the positive heat sink 27.
• the interconnection plate 30, the plus heat sink 27, the spacer 29 and the negative heat sink 28 are screwed one above the other by fastening screws 36 on the front side of the rear shell half of the electric machine.
• FIG. 2 shows the rectifier construction device 10 in a front view.
• the three web guides 33x, 33y and 33z embedded in the wiring board 30 are clearly visible here.
• a bridge rectifier circuit is connected, for example via the web conductor 33x, between a minus diode 3 Ix and a plus diode
• a bridge rectifier circuit is connected between the minus diode 31z and the plus diode 32z by the land conductor 33z. Furthermore, a bridge rectifier circuit is connected between the minus diodes 3 Iy and the plus diode 32y by the land conductor 33y. All three land conductors are of course electrically separated from each other in this wiring board 30. As shown in Figure 2, it is provided that the web conductor 33y carries the bolt-like connection 48.
• a rectifier device 10 with a plus heat sink 27, which carries at least one plus diode 32x, 32y, 32z and provided with a negative heat sink 28, which carries at least one negative diode 3 Ix, 3 Iy, 31z, wherein a spacer element 29 from an insulating material 70 is provided, that the positive heat sink 27 and the minus heat sink 28 electrically separates.
• the rectifier device 10 also has a wiring plate 30 which has at least one conductor element, by which the at least one positive diode 32x, 32y, 32z is connected to the at least one negative element. Diode 3 Ix, 3 Iy, 31z is connected in a bridge rectifier circuit.
• the conductor element is a web conductor 33, which electrically contacts and carries the bolt-like connection 48.
• FIG. 3a shows the web conductor 33y in a sectional view in a plan view. Clearly, a U-shaped bolt receptacle 50 is shown here.
• FIG. 3b shows the web conductor 33y in a sectional view in a side view. As shown later, the bolt-like terminal 48 is received at this U-shaped Bolzenholziiahme.
• the bolt-like connection 48 can be designed differently overall. As in figure
• this may for example have a so-called receiving socket 53 which is inserted into the U-shaped bolt receptacle 50, Figure 4b.
• the receiving socket 53 is followed by a bolt portion 55 with which the bolt-like connection 48 is seated on the U-shaped bolt receptacle 50.
• Both the form-fitting contour 58 and the at least one conductor element of the interconnection plate 30 are surrounded by the insulating material 70, wherein the insulating material 70 surrounds the form-fitting contour 58, Figure 4c.
• the receiving socket 53 at least indirectly follows a collar 60, the outer diameter is greater than that of the receiving socket 53 and / or the following on the receiving socket 53 bolt portion 55. At least indirectly means here that between the collar 60 and the receiving socket 53rd for example, the bolt portion 55 is. On the other hand, this also means that between the
• FIG. 4d shows a variant of the bolt-like connection 48.
• This has here on the one hand the bolt portion 55, with which this is fixed on the web conductor 33y.
• the bolt portion 55 is followed by the collar 60, this collar 60, the screw thread 62 and then with a relation to the screw thread 62 reduced outside diameter, a cylindrical pin 65, which is intended to receive attachable parts.
• This pin 65 may alternatively be provided as well as in the embodiment of Figure 4a.
• FIG. 5 shows an example of an installation in which the bolt-like connection 48 according to the exemplary embodiment according to FIG. 4d is connected to a web conductor 33y.
• the web conductor 33y is substantially initially U-shaped, as already mentioned above, this U-shape starting from a first plane 80 into a second plane
• the web conductor 33 y thus runs in two different planes, which are related to an axis of the generator or of the rotor.
• the web conductor 33y is arranged above another web conductor, here in the example namely the web conductor 33x.
• the web conductor 33y is materially connected to the bolt-like connection 48, wherein welding or soldering is preferred.
• a protective cap 90 covers the rectifier device.
• the bolt-like connection 48 projects through an opening 92 of the protective cap 90.
• FIG. 7 illustrates in a highly schematic manner an electrical machine 100 which carries a rectifier device 10 according to the invention, which is covered by a protective cap 90.
• the rectifier construction device 10 does not necessarily have to be constructed such that the spacer element 29 and the interconnection plate 30 must be structurally separated.
• the interconnection plate 30 can simultaneously take over the function of a spacer element 29 and then be arranged between the negative heat sink 28 and the positive heat sink 27, wherein the interconnection plate 30 again correspondingly has a bolt-like connection 48, which in this case first protrudes through the plus heat sink 27,
• the negative heat sink can also be realized by a bearing plate of the electric machine. In this case, the other parts of the rectifier device 10 would be placed on the bearing plate.

Landscapes

• Engineering & Computer Science (AREA)
• Power Engineering (AREA)
• Rectifiers (AREA)

Applications Claiming Priority (2)

Publications (1)

Family

ID=35058828

Family Applications (1)

Country Status (7)

Families Citing this family (7)

Family Cites Families (10)

• 2004
  • 2004-08-21 DE DE102004040595A patent/DE102004040595A1/de not_active Withdrawn
• 2005
  • 2005-08-17 RU RU2007110188/09A patent/RU2007110188A/ru not_active Application Discontinuation
  • 2005-08-17 EP EP05771785A patent/EP1782523A1/de not_active Ceased
  • 2005-08-17 BR BRPI0514512-0A patent/BRPI0514512A/pt not_active IP Right Cessation
  • 2005-08-17 CN CNA2005800282736A patent/CN101006634A/zh active Pending
  • 2005-08-17 US US11/571,065 patent/US20090167122A1/en not_active Abandoned
  • 2005-08-17 WO PCT/EP2005/054061 patent/WO2006021539A1/de active Application Filing

Non-Patent Citations (1)

Also Published As

Similar Documents

Legal Events