CN216904634U - Double-drive alternating current-direct current generator - Google Patents
Double-drive alternating current-direct current generator Download PDFInfo
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- CN216904634U CN216904634U CN202220550075.7U CN202220550075U CN216904634U CN 216904634 U CN216904634 U CN 216904634U CN 202220550075 U CN202220550075 U CN 202220550075U CN 216904634 U CN216904634 U CN 216904634U
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Abstract
The utility model relates to a double-drive alternating current-direct current generator, which is provided with an alternating current stator and an alternating current rotor, and also provided with a direct current stator, a direct current rotor and a rectifying system, wherein the alternating current stator can cut a magnetic field generated by the alternating current rotor in the rotating process of a rotating shaft and output generated alternating current through a binding post of a shell, the direct current stator can cut the magnetic field generated by the direct current rotor in the rotating process of the rotating shaft and generate alternating current, and the rectifying system can convert the alternating current into direct current and output the generated direct current through the binding post of the shell, so that the double-drive alternating current-direct current generator can simultaneously output the alternating current and the direct current in the operating process.
Description
Technical Field
The utility model relates to the technical field of generators, in particular to a double-drive alternating current-direct current generator.
Background
Because most of the existing markets are dc generators (see the disc-type magnetizing dc generator disclosed in patent CN201510324790.3 for specific structure) or ac generators (see the automotive ac generator disclosed in patent CN202022033171.8 for specific structure), when ac and dc power needs to be used simultaneously, two ac generators or two dc generators need to be used for generating power, and then the power generated by one of the two ac generators is converted into another form of power. However, in actual use, this method is not only very inconvenient, but also takes up a large space.
Therefore, a double-drive alternating current and direct current generator is needed to solve the problem that the existing generator cannot output alternating current and direct current at the same time.
SUMMERY OF THE UTILITY MODEL
In view of the above, a need exists to provide a dual-drive ac/dc generator to solve the problem that the existing generator cannot output ac power and dc power simultaneously.
The utility model provides a double-drive alternating current-direct current generator which comprises a shell, a rotating shaft, an alternating current stator, an alternating current rotor, a direct current stator, a direct current rotor, an exciter and a rectification system, wherein the shell is provided with a plurality of permanent magnet groups;
the rotating shaft, the alternating current stator, the alternating current rotor, the direct current stator, the direct current rotor and the exciter are all arranged inside the shell, wherein the alternating current stator and the direct current stator are fixedly connected with the shell, the rotating shaft is rotatably connected with the shell, and the alternating current rotor and the direct current rotor are fixedly connected with the rotating shaft;
the exciter is electrically connected with the alternating current rotor and the direct current rotor so as to provide exciting current for the alternating current rotor and the direct current rotor, the direct current stator is electrically connected with the input end of the rectifying system, and the output ends of the rectifying system and the alternating current stator are electrically connected with the wiring terminal of the shell.
Further, the exciter includes an excitation stator, an excitation rotor, and a rotating rectifier, the excitation stator is configured to generate a magnetic field, the excitation rotor is electrically connected to an input end of the rotating rectifier, and an output end of the rotating rectifier is electrically connected to the ac rotor and the dc rotor to provide excitation current to the ac rotor and the dc rotor.
Further, the exciter further comprises an alternating current voltage regulator and a direct current voltage regulator;
the sampling end of the alternating current voltage regulator is electrically connected with the alternating current stator, the sampling end of the direct current voltage regulator is electrically connected with the direct current stator, and the output ends of the alternating current voltage regulator and the direct current voltage regulator are electrically connected with the excitation stator so as to supply power to the excitation stator.
Furthermore, the windings in the direct current stator are a first winding and a second winding which are independent of each other, the first winding and the second winding are both electrically connected with the input end of the rectification system, and the difference between the first winding and the second winding is 30 degrees in electrical angle.
Further, the first winding and the second winding are both star windings.
Further, the first winding and the second winding are both double-layer windings.
Furthermore, the rectification system comprises a six-phase rectifier, three phases of the first winding and the second winding are respectively electrically connected with six bridge arms of the six-phase rectifier, an anode output end of the six-phase rectifier is electrically connected with an anode binding post of the shell, and a cathode output end of the six-phase rectifier is electrically connected with a cathode binding post of the shell.
Furthermore, the double-drive alternating current-direct current generator further comprises a filter circuit, the input end of the filter circuit is electrically connected with the output end of the rectifying system, the output end of the filter circuit is electrically connected with the wiring terminal of the shell, and the filter circuit is used for filtering the current output by the rectifying system.
Further, the filter circuit comprises a first capacitor, a first resistor, a second capacitor and a second resistor;
the one end of first electric capacity with filter circuit's positive output end and the one end electricity of first resistance are connected, the other end of first electric capacity with filter circuit's negative pole output, the one end of second electric capacity, the one end of second resistance and the negative terminal electricity of casing is connected, the other end of first resistance with the other end of second electric capacity, the other end of second resistance and the positive terminal electricity of casing is connected.
Further, the winding of the alternating current stator is a double-layer winding.
Compared with the prior art, the double-drive alternating current-direct current generator provided by the utility model has the beneficial effects that: the double-drive alternating current-direct current generator is provided with an alternating current stator and an alternating current rotor, and is also provided with a direct current stator, a direct current rotor and a rectifying system, wherein the alternating current stator can cut a magnetic field generated by the alternating current rotor in the rotating process of the rotating shaft and output the generated alternating current by a binding post of the shell, the direct current stator can cut the magnetic field generated by the direct current rotor in the rotating process of the rotating shaft and generate the alternating current, the rectifying system can convert the alternating current into the direct current and output the generated direct current by the binding post of the shell, and therefore the double-drive alternating current-direct current generator can simultaneously output the alternating current and the direct current in the operating process.
Drawings
FIG. 1 is a schematic structural diagram of a preferred embodiment of a dual-drive AC/DC generator provided by the present invention;
FIG. 2 is an electrical schematic diagram of a preferred embodiment of the dual drive AC/DC generator provided in accordance with the present invention;
FIG. 3 is an electrical schematic diagram of a preferred embodiment of a DC stator and a rectification system in a dual drive AC/DC generator according to the present invention;
fig. 4 is a circuit diagram of a preferred embodiment of a filter circuit in the dual-drive ac/dc generator provided by the present invention.
Detailed Description
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate preferred embodiments of the utility model and together with the description, serve to explain the principles of the utility model and not to limit the scope of the utility model.
Referring to fig. 1 and 2, the present invention provides a dual-drive ac/dc generator, which includes a housing 1, a rotating shaft 2, an ac stator 3, an ac rotor 4, a dc stator 5, a dc rotor 6, an exciter 7, and a rectification system 8.
In the present embodiment, the ac stator 3 and the ac rotor 4 are both an ac stator and an ac rotor in an existing ac generator, the dc stator 5 and the dc rotor 6 are both an ac stator and an ac rotor in an existing dc generator, the exciter 7 is a common exciter in the prior art, such as a dc exciter and an ac exciter, and the rectifier system 8 is a rectifier circuit or a rectifier for converting ac power into dc power in an existing dc generator, but the ac stator 3, the ac rotor 4, the dc stator 5, the dc rotor 6, the exciter 7, and the rectifier system 8 may have other structures or components in other embodiments, and the present invention is not limited thereto.
The rotating shaft 2, the alternating current stator 3, the alternating current rotor 4, the direct current stator 5, the direct current rotor 6 and the exciter 7 are all arranged inside the shell 1, wherein the alternating current stator 3 and the direct current stator 5 are pressed inside the shell 1, the rotating shaft 2 is rotatably connected with the shell 1, and the alternating current rotor 4 and the direct current rotor 6 are pressed on the rotating shaft 2.
The exciter 7 is electrically connected to the ac rotor 4 and the dc rotor 6, and the exciter 7 may supply an exciting current to the ac rotor 4 and the dc rotor 6 during an operation of the dual-drive ac/dc generator (i.e., during a normal power generation process), so that the ac rotor 4 and the dc rotor 6 generate a magnetic field after receiving the exciting current, and further the ac stator 3 and the dc stator 5 may respectively cut the magnetic field generated by the ac rotor 4 and the dc rotor 6 and generate an induced current during a rotation process of the rotating shaft 2.
The direct current stator 5 is electrically connected with an input end of the rectifying system 8, an output end of the rectifying system 8 is electrically connected with a direct current wiring terminal of the shell 1, and an output end of the alternating current stator 3 is electrically connected with an alternating current wiring terminal of the shell 1.
After the alternating current stator 3 and the direct current stator 5 generate the induced current, the alternating current stator 3 outputs the generated induced current from the alternating current terminal of the housing 1, and the direct current stator 5 transmits the induced current to the rectifying system 8, so that the rectifying system 8 converts the received induced current into the direct current and outputs the direct current terminal of the housing 1.
Compared with the prior art, the double-drive alternating current-direct current generator provided by the utility model has the beneficial effects that: the double-drive alternating current and direct current generator is provided with an alternating current stator 3 and an alternating current rotor 4, and is also provided with a direct current stator 5, a direct current rotor 6 and a rectifying system 8, wherein the alternating current stator 3 can cut a magnetic field generated by the alternating current rotor 4 in the rotating process of the rotating shaft 2 and output the generated alternating current by a binding post of the shell 1, the direct current stator 5 can cut a magnetic field generated by the direct current rotor 6 in the rotating process of the rotating shaft 2 and generate alternating current, the rectifying system 8 can convert the alternating current into direct current and output the generated direct current by the binding post of the shell 1, and therefore the double-drive alternating current and direct current generator can simultaneously output the alternating current and the direct current in the operating process.
With continued reference to fig. 1 and 2, in a more specific embodiment, the exciter 7 includes an exciting stator 71, an exciting rotor 72, and a rotating rectifier 73, the exciting stator 71 is used for generating a magnetic field, the exciting rotor 72 is electrically connected to an input terminal of the rotating rectifier 73 to transmit induced current generated to the rotating rectifier 73, and an output terminal of the rotating rectifier 73 is electrically connected to the ac rotor 4 and the dc rotor 6 to transmit the induced current to the ac rotor 4 and the dc rotor 6 (i.e., to supply exciting current to the ac rotor 4 and the dc rotor 6).
It should be noted that, in the present embodiment, the excitation stator 71 may be either a permanent magnet stator or an excitation stator, and the present invention is not limited to this.
With continued reference to fig. 2, the exciter 7 further comprises an ac voltage regulator 74 and a dc voltage regulator 75, as a preferred embodiment. The sampling end of the ac voltage regulator 74 is electrically connected to the ac stator 3, the sampling end of the dc voltage regulator 75 is electrically connected to the dc stator 5, and the output ends of both the ac voltage regulator 74 and the dc voltage regulator 75 are electrically connected to the excitation stator 71 to supply power to the excitation stator 71.
In the operation process of the dual-drive ac/dc generator, the ac voltage regulator 74 and the dc voltage regulator 75 may respectively collect output currents of the ac stator 3 and the dc stator 5, and adjust an excitation current provided to the excitation stator 71 according to the collected currents, thereby ensuring stability of the ac and dc currents output by the dual-drive ac/dc generator.
Referring to fig. 3, as a preferred embodiment, the windings in the dc stator 5 are a first winding 51 and a second winding 52 that are independent of each other, the first winding 51 and the second winding 52 are both electrically connected to the input end of the rectifying system 8, and the difference between the first winding 51 and the second winding 52 is 30 ° in electrical angle. The structure can increase the number of the rectification phases of the rectification system 8 in the rectification process, so that the pulse coefficient and the ripple coefficient of the direct current output by the double-drive alternating current-direct current generator are smaller (namely, the quality is higher).
In a preferred embodiment, the first winding 51 and the second winding 52 are both star windings. Compared with the first winding 51 and the second winding 52 which are delta windings in other embodiments, the first winding 51 and the second winding 52 which are star windings in this embodiment can eliminate higher harmonics and prevent the generation of a circulating current.
In a more specific embodiment, the first winding 51 and the second winding 52 are both double-layer windings.
Referring to fig. 3, in a more specific embodiment, the rectifying system 8 includes a six-phase rectifier 81, three phases (i.e., U-phase, V-phase, and W-phase) of the first winding 51 and the second winding 52 are respectively electrically connected to six arms of the six-phase rectifier 81, a positive output end of the six-phase rectifier 81 is electrically connected to a positive terminal of the housing 1, and a negative output end of the six-phase rectifier 81 is electrically connected to a negative terminal of the housing 1, so as to output the rectified dc power from the dc terminal of the housing 1.
As a preferred embodiment, the dual-drive ac/dc generator further includes a filter circuit, an input end of the filter circuit is electrically connected to an output end of the rectifier system 8, an output end of the filter circuit is electrically connected to the terminal of the housing 1, and the filter circuit can filter the current output by the rectifier system 8, so that the quality of the dc output by the dual-drive ac/dc generator can be further improved.
Referring to fig. 4, in a more specific embodiment, the filter circuit includes a first capacitor C1, a first resistor R, a second capacitor C2, and a second resistor RL;
one end of the first capacitor C1 is electrically connected to the positive output end of the filter circuit and one end of the first resistor R, the other end of the first capacitor C1 is electrically connected to the negative output end of the filter circuit, one end of the second capacitor C2, one end of the second resistor RL and the negative terminal of the housing 1, and the other end of the first resistor R is electrically connected to the other end of the second capacitor C2, the other end of the second resistor RL and the positive terminal of the housing 1.
In a more specific embodiment, the windings of the ac stator 3 are double layer windings.
For a better understanding of the present invention, the following detailed description of the present invention is made with reference to fig. 1 to 4:
during the operation of the double-drive alternating current-direct current generator, the exciter 7 can provide exciting current to the alternating current rotor 4, so that the alternating current rotor 4 generates a magnetic field after receiving the exciting current, then, during the process that the alternating current rotor 4 rotates along with the rotating shaft 2, the alternating current stator 3 can cut the magnetic field generated by the alternating current rotor 4 to generate induced current, and then, the alternating current stator 3 can transmit the induced current to an alternating current terminal of the shell 1, so that a worker can obtain alternating current through the alternating current terminal;
meanwhile, the exciter 7 may further provide an exciting current to the dc rotor 6, so that the dc rotor 6 generates a magnetic field after receiving the exciting current, then the dc stator 5 cuts the magnetic field generated by the dc rotor 6 to generate an induced current in a process that the dc rotor 6 rotates along with the rotating shaft 2, then the dc stator 5 transmits the induced current to the rectifying system 8, so that the rectifying system 8 converts the induced current into a direct current, then the rectifying system 8 transmits the direct current to the filter circuit, so that the filter circuit filters the input direct current, and then the filter circuit transmits the filtered direct current to the dc terminal of the housing 1, so that a worker can obtain the direct current through the dc terminal.
In summary, the double-drive alternating current/direct current generator provided by the utility model has the following beneficial effects:
on one hand, the double-drive alternating current-direct current generator is provided with an alternating current stator and an alternating current rotor, and is also provided with a direct current stator, a direct current rotor and a rectifying system, wherein the alternating current stator can cut a magnetic field generated by the alternating current rotor in the rotating process of the rotating shaft and output the generated alternating current through a binding post of the shell;
on the other hand, two sets of mutually independent windings with the difference of 30-degree electrical angles are arranged in the direct-current stator, and the windings can enable the pulse coefficient and the ripple coefficient of direct current output by the double-drive alternating-current and direct-current generator to be smaller (namely higher in quality) by increasing the number of rectification phases of a rectification system;
on the other hand, the double-drive alternating current and direct current generator is also provided with a filter circuit, and the filter circuit can filter direct current output by the rectifier system, so that the quality of the direct current output by the double-drive alternating current and direct current generator can be further improved.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention.
Claims (10)
1. A double-drive alternating current-direct current generator is characterized by comprising a shell, a rotating shaft, an alternating current stator, an alternating current rotor, a direct current stator, a direct current rotor, an exciter and a rectifying system;
the rotating shaft, the alternating current stator, the alternating current rotor, the direct current stator, the direct current rotor and the exciter are all arranged inside the shell, wherein the alternating current stator and the direct current stator are fixedly connected with the shell, the rotating shaft is rotatably connected with the shell, and the alternating current rotor and the direct current rotor are fixedly connected with the rotating shaft;
the exciter is electrically connected with the alternating current rotor and the direct current rotor so as to provide exciting current for the alternating current rotor and the direct current rotor, the direct current stator is electrically connected with the input end of the rectifying system, and the output ends of the rectifying system and the alternating current stator are electrically connected with the wiring terminal of the shell.
2. The dual drive ac/dc generator of claim 1, wherein the exciter comprises an excitation stator for generating the magnetic field, an excitation rotor electrically connected to an input of the rotating rectifier, and a rotating rectifier having an output electrically connected to the ac and dc rotors for providing excitation current to the ac and dc rotors.
3. The dual drive ac/dc generator of claim 2, wherein the exciter further comprises an ac voltage regulator and a dc voltage regulator;
the sampling end of the alternating current voltage regulator is electrically connected with the alternating current stator, the sampling end of the direct current voltage regulator is electrically connected with the direct current stator, and the output ends of the alternating current voltage regulator and the direct current voltage regulator are electrically connected with the excitation stator so as to supply power to the excitation stator.
4. The dual drive ac/dc generator of claim 1, wherein the windings of the dc stator are independent first and second windings, the first and second windings are electrically connected to the input of the rectifier system, and the first and second windings differ in electrical angle by 30 °.
5. The dual drive ac/dc generator of claim 4, wherein the first and second windings are both star-shaped windings.
6. The dual drive ac/dc generator of claim 4, wherein the first winding and the second winding are both double layer windings.
7. The double-drive alternating current-direct current generator according to claim 4, wherein the rectification system comprises a six-phase rectifier, three phases of the first winding and the second winding are respectively electrically connected with six bridge arms of the six-phase rectifier, a positive output end of the six-phase rectifier is electrically connected with a positive terminal of the shell, and a negative output end of the six-phase rectifier is electrically connected with a negative terminal of the shell.
8. The dual drive ac/dc generator of claim 1, further comprising a filter circuit, wherein an input of the filter circuit is electrically connected to an output of a rectifier system, an output of the filter circuit is electrically connected to a terminal of the housing, and the filter circuit is configured to filter the current output by the rectifier system.
9. The dual drive ac/dc generator of claim 8, wherein the filter circuit comprises a first capacitor, a first resistor, a second capacitor, and a second resistor;
the one end of first electric capacity with filter circuit's positive output end and the one end electricity of first resistance are connected, the other end of first electric capacity with filter circuit's negative pole output, the one end of second electric capacity, the one end of second resistance and the negative terminal electricity of casing is connected, the other end of first resistance with the other end of second electric capacity, the other end of second resistance and the positive terminal electricity of casing is connected.
10. The dual drive ac/dc generator of claim 1, wherein the windings of the ac stator are double layer windings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220550075.7U CN216904634U (en) | 2022-03-14 | 2022-03-14 | Double-drive alternating current-direct current generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220550075.7U CN216904634U (en) | 2022-03-14 | 2022-03-14 | Double-drive alternating current-direct current generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216904634U true CN216904634U (en) | 2022-07-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220550075.7U Active CN216904634U (en) | 2022-03-14 | 2022-03-14 | Double-drive alternating current-direct current generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216904634U (en) |
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2022
- 2022-03-14 CN CN202220550075.7U patent/CN216904634U/en active Active
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