CN219458878U - Stator structure and pulse generator - Google Patents
Stator structure and pulse generator Download PDFInfo
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- CN219458878U CN219458878U CN202320236748.6U CN202320236748U CN219458878U CN 219458878 U CN219458878 U CN 219458878U CN 202320236748 U CN202320236748 U CN 202320236748U CN 219458878 U CN219458878 U CN 219458878U
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- layer coil
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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Abstract
The utility model relates to the technical field of generators, in particular to a stator structure and a pulse generator, wherein the stator structure comprises: the stator winding is provided with a multi-phase coil; each phase coil is provided with a first layer coil edge and a second layer coil edge; the first layer coil edge and the second layer coil edge are axially arranged; the first ends of the non-in-phase first layer coil sides are connected through a collecting ring, and the second ends are connected with a first discharge output circuit; the third end of the coil edge of the second layer which is not in phase is connected with the other collector ring, and the fourth end is connected with a second discharge output circuit; the first end is arranged on the same side as the third end, and the second end is arranged on the same side as the fourth end; the pulse generator includes: a stator structure. The stator winding adopts a semi-open winding, and the collector ring is arranged at the end part to replace the traditional stator winding end part, so that the effective utilization of the axial space is realized; the counter potential of the pulse generator is higher, the inductance of the stator winding is smaller, the internal resistance is lower, and the discharge performance of the pulse generator is obviously improved.
Description
Technical Field
The utility model relates to the technical field of generators, in particular to a stator structure and a pulse generator.
Background
A high-speed inertial energy storage pulse generator is a special pulse power source with high power density and high energy storage density far higher than conventional capacitive or battery-type pulse power sources. The high-speed inertial energy storage pulse generator utilizes the compensation principle and the magnetic flux compression principle to greatly weaken the inductance of an armature winding, so that short-time large pulse current is obtained, and the high-speed inertial energy storage pulse generator has strong performance advantages. At present, the excitation mode of the pulse generator mainly comprises two modes of electric excitation and permanent magnet excitation. Compared with a permanent magnet excitation mode, the electric excitation mode constructs a strong air-gap magnetic field through rotor excitation current, and realizes conversion of rotor inertia energy storage and armature electric energy output. However, the internal resistance of conventional shaped windings or racetrack windings is high, significantly increasing the volume of the pulse generator.
Disclosure of Invention
Therefore, the technical problem to be solved by the present utility model is how to improve the current situation that the winding internal resistance of the pulse generator is higher and the volume is larger, and based on the above situation, it is necessary to develop a stator structure with lower winding internal resistance.
In order to achieve the above object, the present utility model provides a stator structure adapted to be mounted on a generator, comprising:
a stator support;
the stator winding is arranged on the stator support and is provided with a multi-phase coil; each phase coil is provided with a first layer coil edge and a second layer coil edge; the first layer coil edge and the second layer coil edge are arranged along the axial direction of the generator; the first ends of the non-in-phase first layer coil sides are connected through a collecting ring, and the second ends are connected with a first discharge output circuit; the third end of the non-in-phase second layer coil side is connected with the second discharge output circuit through the other collecting ring, and the fourth end is connected with the second discharge output circuit; the first end and the third end are arranged on the same side, and the second end and the fourth end are arranged on the same side.
Optionally, the stator windings are arranged in an up-down layered and overlapped mode; the first layer coil side is an upper layer winding side; the second layer coil side is a lower layer winding side.
Optionally, the stator windings are arranged in a left-right same layer; the first layer coil side is a left layer winding side; the second layer coil side is the right layer winding side.
Optionally, the stator winding is a single conductor, a flat wire, or a plurality of parallel wires.
Optionally, the stator winding is litz wire.
Optionally, the first discharge output circuit and the second discharge output circuit are one half-wave rectification circuit, two half-wave rectification circuits connected in series, or two half-wave rectification circuits connected in parallel.
Optionally, the stator support is made of a non-magnetic material.
Optionally, the non-magnetically permeable material is fiberglass or resin.
The utility model also provides a pulse generator comprising:
the stator structure is provided with a stator;
a housing within which the stator structure is mounted;
the rotor support is arranged in the stator winding and is arranged on a rotating shaft of the pulse generator;
an excitation element mounted on the rotor support;
the sheath is arranged in the stator winding, and the sheath is sleeved on the periphery of the rotor support.
Optionally, the sheath is made of carbon fiber;
the exciting element is a permanent magnet or an exciting winding.
Compared with the prior art, the technical scheme of the utility model has the following advantages:
1. the utility model provides a stator structure, which is suitable for being installed on a generator and comprises: a stator support; the stator winding is arranged on the stator support and is provided with a multi-phase coil; each phase coil is provided with a first layer coil edge and a second layer coil edge; the first layer coil edge and the second layer coil edge are arranged along the axial direction of the generator; the first ends of the non-in-phase first layer coil sides are connected through a collecting ring, and the second ends are connected with a first discharge output circuit; the third end of the non-in-phase second layer coil side is connected with the second discharge output circuit through the other collecting ring, and the fourth end is connected with the second discharge output circuit; the first end and the third end are arranged on the same side, and the second end and the fourth end are arranged on the same side; according to the technical scheme, the stator winding adopts the semi-open winding, and the collector ring is arranged at the end part to replace the traditional stator winding end part, so that the effective utilization of the axial space is realized, and the space utilization rate is effectively improved; under the limitation of the same stator winding length, compared with the traditional winding form, the counter potential of the generator is higher, the inductance of the stator winding is smaller, the internal resistance is lower, and the discharge performance can be obviously improved.
2. The stator winding is litz wire; by adopting the technical scheme, the skin effect and the proximity effect of the current are slowed down.
3. The utility model provides a pulse generator, comprising: the stator structure is provided with a stator; a housing within which the stator structure is mounted; the rotor support is arranged in the stator winding and is arranged on a rotating shaft of the pulse generator; an excitation element mounted on the rotor support; the sheath is arranged in the stator winding, and the sheath is sleeved on the periphery of the rotor support; according to the technical scheme, the stator winding adopts the semi-open winding, and the collector ring is arranged at the end part to replace the traditional stator winding end part, so that the effective utilization of the axial space is realized, and the space utilization rate is effectively improved; under the limitation of the same stator winding length, compared with the traditional winding form, the counter potential of the pulse generator is higher, the inductance of the stator winding is smaller, the internal resistance is lower, and the discharge performance of the pulse generator can be obviously improved; and the rotor structure is reliably protected by the sheath.
4. The sheath is made of carbon fiber; the exciting element is a permanent magnet or an exciting winding; the application adopts above-mentioned technical scheme, specifically limits the material of sheath, not only protects rotor structure reliably, and weight is littleer moreover, portable.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic cross-sectional view of a pulse generator provided in an embodiment of the present utility model;
FIG. 2 is a schematic diagram of a conventional molded winding in the prior art;
FIG. 3 is a schematic diagram of a conventional racetrack winding in the prior art;
fig. 4 is a schematic structural diagram of an upper layer winding and a lower layer winding according to an embodiment of the present utility model;
fig. 5 is a schematic diagram of a second structure of an upper and lower layer winding according to an embodiment of the present utility model;
fig. 6 is a schematic diagram III of the structure of the upper and lower windings according to the embodiment of the present utility model;
fig. 7 is a schematic structural diagram of an upper and lower layer winding according to an embodiment of the present utility model;
fig. 8 is a schematic diagram of a series connection structure of two half-wave rectification circuits according to an embodiment of the present utility model;
fig. 9 is a schematic partial perspective view of the litz wire according to the embodiment of the present utility model.
Reference numerals illustrate:
1. a stator; 2. a rotor; 3. a housing; 4. a rotating shaft; 5. a stator support; 6. a stator winding; 7. a collecting ring; 8. a sheath; 9. an exciting element; 10. a rotor support; 11. litz wire.
Detailed Description
The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
In addition, the technical features of the different embodiments of the present utility model described below may be combined with each other as long as they do not collide with each other.
Fig. 2 is a schematic structural view of a conventional winding formed in the prior art, and fig. 3 is a schematic structural view of a conventional racetrack winding in the prior art. For a conventional racetrack winding, the total length L of the stator winding is shown in equation (1),
wherein L is e For effective length D o For the outer diameter, k of the stator d The ratio of the inner diameter to the outer diameter of the stator is p, and the number of the poles of the generator is p.
From the formula (1), it is understood that the lower the pole number p is, the smaller the stator outer diameter D o When the length of the end part of the stator winding is larger, the space is occupied, the internal resistance of the generator is obviously increased, and the performance of the generator is seriously affected.
For the pulse generator, the rotor component has the functions of energy storage and electromagnetic conversion, the rotating speed of the rotor is high, the outer diameter is large, the number of poles is 4 or 6, and the influence of the end part of the stator winding is more obvious. Therefore, the utility model aims at the defects that the end part of the traditional conventional forming winding or the racetrack winding occupies space and the inner resistance of the stator winding is increased, adopts a structure similar to a squirrel cage, realizes the effective utilization of the axial space and the replacement of the end part of the stator winding, and achieves the purpose of increasing the discharge capacity of the pulse generator.
One embodiment of a stator structure as shown in fig. 1, 4-9, adapted for mounting on a generator, comprises: a stator support 5 and a stator winding 6 mounted on the stator support 5.
As shown in fig. 1, 4 to 7, the stator winding 6 is provided with a multi-phase coil; each phase coil is provided with a first layer coil edge and a second layer coil edge; the first layer coil edge and the second layer coil edge are both arranged along the axial direction of the generator. The first ends of the non-in-phase first layer coil sides are connected through a collecting ring 7, and the second ends are connected with a first discharge output circuit; the third end of the non-in-phase second layer coil side is connected with the other collector ring 7, and the fourth end is connected with a second discharge output circuit; the first end and the third end are arranged on the same side, and the second end and the fourth end are arranged on the same side. The stator windings 6 are arranged in an up-down layered and overlapped mode; the first layer coil side is an upper layer winding side; the second layer coil side is a lower layer winding side. The stator winding 6 is a single conductor, a flat wire or a plurality of parallel wires. As shown in fig. 9, the stator winding 6 is preferably litz wire 11. The stator support 5 is made of non-magnetic material. Specifically, the non-magnetic conductive material is glass fiber or resin. The stator winding 6 and the collector ring 7 can be encapsulated and wrapped by epoxy resin integrally to form a whole, and then the whole is assembled and fixed with the shell 3.
As shown in fig. 8, the first discharge output circuit and the second discharge output circuit are two half-wave rectification circuits connected in series.
As shown in fig. 1, the present utility model further provides a pulse generator, including: a housing 3, a stator 1 provided in the housing 3, and a rotor 2 provided in the stator 1. The stator 1 includes: the stator structure is provided with a stator; the rotor 2 includes: a rotor support 10 provided inside the stator winding 6, an exciting element 9 mounted on the rotor support 10, and a sheath 8 provided around the outer periphery of the rotor support 10.
The rotor support 10 is arranged on a rotating shaft 4 arranged on the pulse generator; the rotor support 10 is arranged inside the stator winding 6. The sheath 8 is made of carbon fiber; the exciting element 9 is a permanent magnet or an exciting winding.
As an alternative embodiment, the stator windings 6 are arranged in an upper and lower layered lap winding manner; the first layer coil side is an upper layer winding side; the second layer coil side is a lower layer winding side, and the stator winding 6 is replaced by left-right same-layer arrangement; the first layer coil side is a left layer winding side; the second layer coil side is the right layer winding side.
In an alternative embodiment, the first discharge output circuit and the second discharge output circuit are two half-wave rectification circuits connected in series, and the first discharge output circuit and the second discharge output circuit are replaced by one half-wave rectification circuit.
In an alternative embodiment, the first discharge output circuit and the second discharge output circuit are two half-wave rectification circuits connected in series, and the first discharge output circuit and the second discharge output circuit are replaced by two half-wave rectification circuits connected in parallel.
In an alternative embodiment, the sheath 8 is made of carbon fiber, and the sheath 8 is replaced by a high-strength non-magnetic metal material.
It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. And obvious variations or modifications thereof are contemplated as falling within the scope of the present utility model.
Claims (10)
1. A stator structure adapted to be mounted on a generator, comprising:
a stator support (5);
a stator winding (6) mounted on the stator support (5), the stator winding (6) being provided with a multi-phase coil; each phase coil is provided with a first layer coil edge and a second layer coil edge; the first layer coil edge and the second layer coil edge are arranged along the axial direction of the generator; the first ends of the non-in-phase first layer coil sides are connected through a collecting ring (7), and the second ends are connected with a first discharge output circuit; the third end of the non-in-phase second layer coil side is connected with the other collector ring (7), and the fourth end is connected with a second discharge output circuit; the first end and the third end are arranged on the same side, and the second end and the fourth end are arranged on the same side.
2. The stator structure according to claim 1, characterized in that the stator windings (6) are arranged in a stacked, up-and-down arrangement; the first layer coil side is an upper layer winding side; the second layer coil side is a lower layer winding side.
3. The stator structure according to claim 1, characterized in that the stator windings (6) are arranged in the same layer on the left and right; the first layer coil side is a left layer winding side; the second layer coil side is the right layer winding side.
4. A stator structure according to any one of claims 1-3, characterized in that the stator winding (6) is a single conductor, a flat wire or a plurality of parallel wires.
5. A stator structure according to any one of claims 1-3, characterized in that the stator winding (6) is litz wire (11).
6. A stator structure according to any one of claims 1-3, wherein the first and second discharge output circuits are one half-wave rectifier circuit, two half-wave rectifier circuits connected in series, or two half-wave rectifier circuits connected in parallel.
7. A stator structure according to any one of claims 1-3, characterized in that the stator support (5) is of a non-magnetically conductive material.
8. The stator structure of claim 7, wherein the non-magnetically permeable material is fiberglass or resin.
9. A pulse generator, comprising:
a stator structure as claimed in any one of claims 1 to 8;
a housing (3), the stator structure being mounted within the housing (3);
the rotor support (10) is arranged in the stator winding (6), and the rotor support (10) is arranged on a rotating shaft (4) arranged on the pulse generator;
an exciting element (9) mounted on the rotor support (10);
and the sheath (8) is arranged in the stator winding (6), and the sheath (8) is sleeved on the periphery of the rotor support (10).
10. The pulse generator of claim 9, wherein the pulse generator is configured to generate the pulse signal,
the sheath (8) is made of carbon fiber;
the exciting element (9) is a permanent magnet or an exciting winding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320236748.6U CN219458878U (en) | 2023-02-01 | 2023-02-01 | Stator structure and pulse generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320236748.6U CN219458878U (en) | 2023-02-01 | 2023-02-01 | Stator structure and pulse generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219458878U true CN219458878U (en) | 2023-08-01 |
Family
ID=87417894
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320236748.6U Active CN219458878U (en) | 2023-02-01 | 2023-02-01 | Stator structure and pulse generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219458878U (en) |
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2023
- 2023-02-01 CN CN202320236748.6U patent/CN219458878U/en active Active
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