CN211981633U - Power generation system - Google Patents
Power generation system Download PDFInfo
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- CN211981633U CN211981633U CN202020785791.4U CN202020785791U CN211981633U CN 211981633 U CN211981633 U CN 211981633U CN 202020785791 U CN202020785791 U CN 202020785791U CN 211981633 U CN211981633 U CN 211981633U
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- rectifier
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Abstract
The utility model discloses a power generation system, including cooling module, generator set spare and rectifier subassembly, cooling module includes the cooling casing, the cooling casing has a holding chamber, be formed with at least partial cladding in the inner wall of cooling casing the cooling runner that the holding chamber set up, the circulation has the coolant liquid in the cooling runner, generator set spare includes the generator, the generator is located the holding intracavity, the rectifier subassembly include with the rectifier that the generator electricity is connected, the rectifier install extremely the lateral wall of cooling casing, and correspond the cooling runner sets up. The cooling liquid can take away the heat emitted by the generator and the rectifier simultaneously in the flowing process, so that the generator and the rectifier share one set of cooling assembly, the size and the weight of the cooling assembly can be reduced, the manufacturing cost is reduced, and the system is simpler and more reliable to maintain.
Description
Technical Field
The utility model relates to a power generation technical field, in particular to power generation system.
Background
At present, with the development of power electronic devices and the stability advantage of a direct current power system, the direct current power grid is increasingly applied to an independent micro power grid system and a large power grid system. The existing independent micro direct current power grid is communicated, a micro-grid generator and a rectifier are of a split structure, a generator body and a cooling system of the rectifier are also independent, and the whole power generation system is large in occupied volume, high in manufacturing cost and difficult in system maintenance.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a power generation system aims at solving the big problem of the shared volume of present power generation system.
In order to achieve the above object, the present invention provides a power generation system, including:
the cooling assembly comprises a cooling shell, the cooling shell is provided with a containing cavity, a cooling flow channel at least partially covering the containing cavity is formed in the inner wall of the cooling shell, and cooling liquid flows in the cooling flow channel;
the generator assembly comprises a generator, and the generator is arranged in the accommodating cavity; and the number of the first and second groups,
and the rectifier assembly comprises a rectifier electrically connected with the generator, and the rectifier is mounted on the outer side wall of the cooling shell and arranged corresponding to the cooling flow channel.
Optionally, the cooling assembly further comprises a cooling line, wherein,
the cooling pipeline comprises a first cooling pipeline section which is arranged in the cooling shell and extends upwards along the axial direction of the accommodating cavity, and an inner cavity of the first cooling pipeline section forms at least part of the cooling flow channel; and/or the presence of a gas in the gas,
the cooling pipeline comprises a second cooling pipeline section which is arranged in the cooling shell and extends along the circumferential direction of the containing cavity, and at least part of the cooling flow channel is formed in the inner cavity of the second cooling pipeline section.
Optionally, the first cooling pipeline sections are arranged in a plurality, and are arranged at intervals along the circumferential direction of the accommodating cavity, and the first cooling pipeline sections are mutually communicated.
Optionally, the plurality of second cooling pipeline sections are arranged at intervals in the axial direction of the accommodating cavity, and two adjacent second cooling pipeline sections are communicated with each other.
Optionally, a flow channel inlet and a flow channel outlet are formed on the cooling flow channel corresponding to the cooling housing;
the cooling assembly further comprises:
a storage tank for storing a cooling fluid, the storage tank having a fluid inlet and a fluid outlet;
the liquid inlet pipeline is communicated with the liquid inlet and the runner inlet;
the liquid return pipeline is communicated with the liquid outlet and the runner outlet; and the number of the first and second groups,
and the water pump is arranged on the liquid inlet pipeline and used for pumping the cooling liquid in the storage tank into the cooling flow channel through the liquid inlet.
Optionally, the liquid inlet pipeline has a mounting pipe section between the water pump and the runner inlet;
the cooling assembly further comprises a refrigerator, and the cold end of the refrigerator is arranged on the mounting pipe section.
Optionally, the rectifier is provided in plurality and is arranged at intervals along the circumferential direction of the cooling shell.
Optionally, the accommodating cavity is provided with an opening in a penetrating manner;
the generator assembly further comprises a connecting line structure, one end of the connecting line structure is used for being electrically connected with the electric output end of the generator, and the other end of the connecting line structure extends out of the accommodating cavity along the opening and is used for being electrically connected with the rectifier.
Optionally, the outer side surface of the cooling shell is convexly provided with a plurality of heat dissipation ribs which are arranged at intervals along the circumferential direction of the cooling shell, and the heat dissipation ribs and the rectifier are arranged at intervals.
Optionally, the generator assembly further includes a generator base disposed in the accommodating cavity, and the generator base is used for fixedly mounting the generator.
The technical scheme of the utility model in, the generator is located the holding intracavity, the rectifier install extremely the lateral wall of cooling housing, be formed with at least partial cladding in the inner wall of cooling housing the cooling runner that the holding chamber set up, the circulation has the coolant liquid in the cooling runner for the coolant liquid can take away simultaneously the generator with the heat that the rectifier gived off, thereby make the generator with one set of cooling module of rectifier sharing can reduce cooling module's volume and weight, reduction in manufacturing cost make the maintenance of system more succinct reliable simultaneously.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic perspective view of an embodiment of a power generation system provided by the present invention.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 100 | |
12 | |
| 11 | |
22 | |
| 111 | Containing |
31 | Rectifier |
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that, if the present invention relates to a directional indication, the directional indication is only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture, and if the specific posture is changed, the directional indication is changed accordingly.
In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
At present, with the development of power electronic devices and the stability advantage of a direct current power system, the direct current power grid is increasingly applied to an independent micro power grid system and a large power grid system. High-power generator systems with rectifying loads are important power generation devices of a direct-current power grid, and a step-up transformer is usually arranged between the large power grid and a generator, so that the generator is not directly connected with a rectifier. The existing independent micro direct current power grid usually does not need a step-up transformer, and a generator can be directly connected with a rectifier. Meanwhile, the microgrid generator and the rectifier are of a split structure, the generator body and the rectifier usually adopt liquid cooling devices, and cooling systems of the generator body and the rectifier are also independent. The multiphase generator system is beneficial to reducing the capacity of each phase and increasing the power consumption quality of a direct current power grid, so that the multiphase generator system with rectification loads is also a mainstream power generation topological structure in a microgrid. The split structure and the independent liquid cooling device of the generator inevitably lead to the defects of large volume and weight, high manufacturing cost, difficult system maintenance and the like of the power generation system.
In view of this, the utility model provides a power generation system, this device make the generator and the rectifier in the generator system who takes rectification load share one set of cooling device, can reduce system cooling device's volume and weight, reduce manufacturing cost and can make the system maintenance succinct more reliable. Fig. 1 is an embodiment of a power generation system provided by the present invention.
Referring to fig. 1, a power generation system 100 includes a cooling assembly, a generator assembly and a rectifier assembly, the cooling assembly includes a cooling housing 11, the cooling housing 11 has an accommodating cavity 111, a cooling channel 12 at least partially covering the accommodating cavity 111 is formed in an inner wall of the cooling housing 11, a cooling liquid flows through the cooling channel 12, the generator assembly includes a generator disposed in the accommodating cavity 111, the rectifier assembly includes a rectifier 31 electrically connected to the generator, and the rectifier 31 is mounted to an outer side wall of the cooling housing 11 and disposed corresponding to the cooling channel 12.
The technical scheme of the utility model in, the generator is located in the holding chamber 111, rectifier 31 install extremely the lateral wall of cooling housing 11, be formed with at least partial cladding in the inner wall of cooling housing 11 the cooling runner 12 that holding chamber 111 set up, the circulation has the coolant liquid in the cooling runner 12 for the coolant liquid can take away simultaneously at the in-process that flows the generator with the heat that rectifier 31 gived off, thereby makes the generator with one set of cooling module is shared to rectifier 31, can reduce cooling module's volume and weight, reduction in manufacturing cost make the maintenance of system more succinct reliable simultaneously.
Further, the cooling assembly further includes a cooling pipeline, wherein the cooling pipeline includes a first cooling pipeline section that is disposed in the cooling housing 11 and extends in the axial direction of the accommodating cavity 111, and an inner cavity of the first cooling pipeline section forms at least part of the cooling flow channel 12; and/or the cooling pipeline comprises a second cooling pipeline section which is arranged in the cooling shell 11 and extends along the circumferential direction of the accommodating cavity 111, and an inner cavity of the second cooling pipeline section forms at least part of the cooling flow channel 12. That is, the utility model discloses do not restrict cooling flow channel 12's mode of formation can be followed circumference extension, also can be along radial extension, the utility model discloses in, can set up the edge extend in the axial of holding chamber 111 first cooling pipe section, also can set up the edge the circumference of holding chamber 111 is extended second cooling pipe section still can set up simultaneously first cooling pipe section with second cooling pipe section. So as to realize the flowing of the cooling liquid, thereby absorbing the heat emitted by the generator and the rectifier 31 in the flowing process of the cooling liquid and realizing the heat radiation effect.
Further, the cooling flow channel 12 may be disposed along the wall surface of the cooling housing 11 in a serpentine shape, specifically, the first cooling pipe sections are disposed in a plurality, and are disposed at intervals in the circumferential direction of the accommodating cavity 111, and the first cooling pipe sections are communicated with each other. The contact area of the cooling flow passage 12 with the generator and the rectifier 31 is increased, so that the cooling effect is better.
The cooling flow channel 12 may also be annularly disposed around the wall surface of the cooling housing 11, specifically, the second cooling pipeline sections are disposed in a plurality, and are spaced in the axial direction of the accommodating cavity 111, and two adjacent second cooling pipeline sections are communicated with each other. With such an arrangement, the contact area between the cooling flow channel 12 and the generator and the rectifier 31 is increased, so that the cooling effect is better.
In order to achieve the cooling effect, the cooling flow passage 12 is formed with a flow passage inlet and a flow passage outlet corresponding to the cooling housing 11, and the cooling assembly further includes a storage tank, a liquid inlet pipeline, a liquid return pipeline, and a water pump: the storage tank is used for storing cooling liquid and is provided with a liquid inlet and a liquid outlet; the liquid inlet pipeline is communicated with the liquid inlet and the runner inlet; the liquid return pipeline is communicated with the liquid outlet and the runner outlet, and the water pump is arranged on the liquid inlet pipeline and used for pumping the cooling liquid in the storage box into the cooling runner 12 through the liquid inlet. And a water path circulation of cooling liquid is formed, and the heat of the generator and the rectifier 31 is taken away through the continuous flowing of the cooling liquid, so that the purpose of heat dissipation is realized.
In another embodiment of this scheme, the cooling module further includes a plurality of connecting pipes disposed along the circumferential direction of the cooling housing 11 at intervals, the plurality of connecting pipes jointly form the cooling flow channel 12, and the plurality of connecting pipes are not communicated with each other, and both ends of each connecting pipe are communicated with the liquid inlet and the liquid outlet. So set up, guarantee that the flow of coolant liquid is smooth and easy, improve the speed of flow.
In addition, the liquid inlet pipeline is provided with a mounting pipe section between the water pump and the runner inlet; the cooling assembly further comprises a refrigerator, and the cold end of the refrigerator is arranged on the mounting pipe section. The cooling liquid passes through the generator and the rectifier 31, the temperature of the cooling liquid is increased due to a large amount of heat, the cooling effect is reduced, and the low-temperature state of the cooling liquid in the storage tank is ensured and the cooling effect is ensured by arranging the refrigerator.
It should be noted that the cooling liquid of the cooling assembly can also be conveyed in a single direction, i.e. without forming a closed loop, but such an arrangement would increase the number of processes, which will not be described in detail herein.
Further, the generator is a multi-phase generator, that is, a generator can draw a plurality of currents, and in order to enhance the versatility of the power generation system 100, in the present embodiment, the plurality of rectifiers 31 are provided and are spaced apart along the circumferential direction of the cooling housing 11. A plurality of said rectifiers 31 may handle a plurality of alternating currents.
In order to make the overall wiring of the power generation system 100 simple, in this embodiment, the accommodating cavity 111 has an opening; the generator assembly further comprises a connecting line structure, one end of the connecting line structure is used for being electrically connected with the electric output end of the generator, and the other end of the connecting line structure extends out of the accommodating cavity 111 along the opening and extends along the outer side surface of the cooling shell 11 to be electrically connected with the rectifier 31. Therefore, the connecting line structure is neat in arrangement, concise in appearance and space-saving.
Further, rectifier 31 is equipped with a plurality ofly, and follows the circumference interval of cooling casing 11 sets up, the connecting wire structure has a plurality ofly, and is a plurality of the one end of connecting wire structure all is used for the electricity to be connected the generator, the other end respectively with a plurality of rectifier 31 electricity is connected. The generator is a multiphase generator, namely, a generator can lead out a plurality of strands of current, and the arrangement is more reasonable in layout.
In addition, in order to enhance the heat dissipation effect, in this embodiment, a plurality of heat dissipation ribs are disposed on the outer side surface of the cooling housing 11 at intervals along the circumferential direction of the cooling housing 11, and the plurality of heat dissipation ribs and the rectifier 31 are disposed in a staggered manner. The heat dissipation ribs play a role in assisting heat dissipation.
In order to make the space layout more compact, the generator assembly further comprises a generator base 22 arranged in the accommodating cavity 111 for fixedly mounting the generator. The cooling housing 11 is fixedly mounted on the generator base 22. The space is saved by the arrangement, so that the overall layout is compact.
The above only be the preferred embodiment of the utility model discloses a not consequently restriction the utility model discloses a patent range, all are in the utility model discloses a conceive, utilize the equivalent structure transform of what the content was done in the description and the attached drawing, or direct/indirect application all is included in other relevant technical field the utility model discloses a patent protection within range.
Claims (10)
1. A power generation system, comprising:
the cooling assembly comprises a cooling shell, the cooling shell is provided with a containing cavity, a cooling flow channel at least partially covering the containing cavity is formed in the inner wall of the cooling shell, and cooling liquid flows in the cooling flow channel;
the generator assembly comprises a generator, and the generator is arranged in the accommodating cavity; and the number of the first and second groups,
and the rectifier assembly comprises a rectifier electrically connected with the generator, and the rectifier is mounted on the outer side wall of the cooling shell and arranged corresponding to the cooling flow channel.
2. The power generation system of claim 1, wherein the cooling assembly further comprises a cooling circuit, wherein,
the cooling pipeline comprises a first cooling pipeline section which is arranged in the cooling shell and extends upwards along the axial direction of the accommodating cavity, and an inner cavity of the first cooling pipeline section forms at least part of the cooling flow channel; and/or the presence of a gas in the gas,
the cooling pipeline comprises a second cooling pipeline section which is arranged in the cooling shell and extends along the circumferential direction of the containing cavity, and at least part of the cooling flow channel is formed in the inner cavity of the second cooling pipeline section.
3. The power generation system according to claim 2, wherein the first cooling pipe section is provided in plurality and spaced apart from each other in a circumferential direction of the housing chamber, and the plurality of first cooling pipe sections are communicated with each other.
4. The power generation system according to claim 2, wherein the second cooling pipe section is provided in plurality and spaced apart in the axial direction of the housing chamber, and adjacent two of the second cooling pipe sections communicate with each other.
5. The power generation system of claim 1, wherein the cooling flow passage is formed with a flow passage inlet and a flow passage outlet on the cooling housing in correspondence;
the cooling assembly further comprises:
a storage tank for storing a cooling fluid, the storage tank having a fluid inlet and a fluid outlet;
the liquid inlet pipeline is communicated with the liquid inlet and the runner inlet;
the liquid return pipeline is communicated with the liquid outlet and the runner outlet; and the number of the first and second groups,
and the water pump is arranged on the liquid inlet pipeline and used for pumping the cooling liquid in the storage tank into the cooling flow channel through the liquid inlet.
6. The power generation system of claim 5, wherein the inlet line has a mounting tube section between the water pump and the flow channel inlet;
the cooling assembly further comprises a refrigerator, and the cold end of the refrigerator is arranged on the mounting pipe section.
7. The power generation system of claim 1, wherein the rectifier is provided in plurality and spaced circumferentially of the cooling housing.
8. The power generation system of claim 1, wherein the housing cavity has an opening therethrough;
the generator assembly further comprises a connecting line structure, one end of the connecting line structure is used for being electrically connected with the electric output end of the generator, and the other end of the connecting line structure extends out of the accommodating cavity along the opening and is used for being electrically connected with the rectifier.
9. The power generation system of claim 1, wherein a plurality of heat dissipating ribs are projected from an outer surface of the cooling casing and spaced from the rectifier.
10. The power generation system of claim 1, wherein the generator assembly further comprises a generator base disposed within the receiving cavity for fixedly mounting the generator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020785791.4U CN211981633U (en) | 2020-05-12 | 2020-05-12 | Power generation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020785791.4U CN211981633U (en) | 2020-05-12 | 2020-05-12 | Power generation system |
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| Publication Number | Publication Date |
|---|---|
| CN211981633U true CN211981633U (en) | 2020-11-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020785791.4U Active CN211981633U (en) | 2020-05-12 | 2020-05-12 | Power generation system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115051512A (en) * | 2022-06-17 | 2022-09-13 | 江苏华源防爆电机有限公司 | Permanent magnet motor |
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2020
- 2020-05-12 CN CN202020785791.4U patent/CN211981633U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115051512A (en) * | 2022-06-17 | 2022-09-13 | 江苏华源防爆电机有限公司 | Permanent magnet motor |
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