CN212380255U - High-heat-dissipation low-magnetic-leakage smoothing reactor - Google Patents
High-heat-dissipation low-magnetic-leakage smoothing reactor Download PDFInfo
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- CN212380255U CN212380255U CN202021444695.XU CN202021444695U CN212380255U CN 212380255 U CN212380255 U CN 212380255U CN 202021444695 U CN202021444695 U CN 202021444695U CN 212380255 U CN212380255 U CN 212380255U
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- 238000009499 grossing Methods 0.000 title claims abstract description 16
- 230000017525 heat dissipation Effects 0.000 claims abstract description 13
- 238000004804 winding Methods 0.000 claims abstract description 13
- 230000008878 coupling Effects 0.000 abstract description 4
- 238000010168 coupling process Methods 0.000 abstract description 4
- 238000005859 coupling reaction Methods 0.000 abstract description 4
- 239000006185 dispersion Substances 0.000 abstract description 2
- 239000007787 solid Substances 0.000 abstract description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a high heat dissipation low magnetic leakage smoothing reactor, which comprises a fixing plate and i, the inboard of fixed plate is provided with the reactor magnetic core, the outer wall of reactor magnetic core closely twines there is the winding group, the through-hole that link up is seted up at the center of reactor magnetic core, the both ends lock of through-hole has the end cover with reactor magnetic core looks rigid coupling, the end cover outside solid cover has the connecting cover, connecting cover and fixed plate looks rigid coupling, the bleeder vent has been seted up on the fixed plate, the bleeder vent sees through the end cover and connects the lid and communicate with each other with the through-hole. This low magnetic leakage smoothing reactor of high heat dissipation can all carry out the uniform heat dissipation to the magnetic core of reactor and winding group, and the wholeness improves the heat dispersion of reactor.
Description
Technical Field
The utility model relates to a reactor technical field specifically is a low magnetic leakage smoothing reactor of high heat dissipation.
Background
The smoothing reactor is used in a direct current loop after rectification. The number of pulses in the rectifier circuit is always limited, and there is always a ripple in the output rectified voltage. This ripple is often detrimental and needs to be suppressed by the smoothing reactor. The converter stations of the direct current transmission are all provided with smoothing reactors, so that the output direct current is close to the ideal direct current. Smoothing reactors are also indispensable in direct current-fed thyristor electrical drives. The smoothing reactor and the direct current filter form a direct current harmonic wave filtering loop on the direct current side of the high-voltage direct current converter station. The smoothing reactor is generally connected in series between a direct current output end of each pole converter and a direct current line, and is one of important devices of a high-voltage direct current converter station.
The structure of smoothing reactor is upper and lower fixed plate, two magnetic cores of fixed plate internal fixation, the winding of magnetic core outside winding, when in actual use, because the magnetic core is closely wrapped up the winding, inside heat can not be scattered outward, though set up the vent on the casing of reactor, still can not cool down to magnetic core and winding inside, only can give off the heat by the reactor surface, and then the heat that leads to the reactor is very high, very easily leads to the reactor to damage under the long-time operating condition.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a low magnetic leakage smoothing reactor of high heat dissipation to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a high heat dissipation low magnetic leakage smoothing reactor, includes the fixed plate, the inboard of fixed plate is provided with the reactor magnetic core, the outer wall of reactor magnetic core closely twines there is the winding group, the through-hole that link up is seted up at the center of reactor magnetic core, the both ends lock of through-hole has the end cover with reactor magnetic core looks rigid coupling, the end cover outside solid cover has the connecting cover, the connecting cover is with fixed plate looks rigid coupling, the bleeder vent has been seted up on the fixed plate, the bleeder vent sees through the end cover and the connecting cover communicates with each other with the through-hole.
Preferably, the outer side wall of the reactor magnetic core is provided with a heat radiation fin.
Preferably, the radiating fins are provided with strip-shaped grooves in a cross shape, and the surfaces of the radiating fins are uniformly provided with holes.
Preferably, the thickness of the heat dissipation fin is 0.5 mm.
Preferably, the outer side of the fixing plate is provided with a groove, and the air holes are formed in the groove.
Compared with the prior art, the beneficial effects of the utility model are that: this low magnetic leakage smoothing reactor of high heat dissipation can all carry out the uniform heat dissipation to the magnetic core of reactor and winding group, dispels the heat from inside to outside, and the wholeness improves the heat dispersion of reactor, makes the reactor can use for a long time.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the through hole structure of the present invention;
FIG. 3 is a schematic view of the groove structure of the present invention;
fig. 4 is a schematic view of the structure of the heat dissipation fin of the present invention.
In the figure: 1. reactor magnetic core, 2, winding group, 3, radiating fin, 4, fixed plate, 5, through-hole, 6, end cover, 7, connection lid, 8, recess, 9, bar groove, 10, trompil, 11, bleeder vent.
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 work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: a high-heat-dissipation low-magnetic-leakage flat wave reactor comprises a fixing plate 4, wherein a reactor magnetic core 1 is arranged on the inner side of the fixing plate 4, and a winding group 2 is tightly wound on the outer wall of the reactor magnetic core 1;
the center of the reactor magnetic core 1 is provided with a through hole 5, the two ends of the through hole 5 are buckled with end covers 6 fixedly connected with the reactor magnetic core 1, the outer side of each end cover 6 is fixedly sleeved with a connecting cover 7, each connecting cover 7 is fixedly connected with a fixing plate 4, each fixing plate 4 is provided with a vent hole 11, each vent hole 11 is communicated with the corresponding through hole 5 through the corresponding end cover 6 and the corresponding connecting cover 7, through the arrangement design, heat at the center of the reactor magnetic core 1 can be directly dissipated to the outside of the upper end and the lower end through the corresponding through hole 5, heat dissipation is facilitated, the outer side of each fixing plate 4 is provided with a groove 8, each vent hole 11 is arranged in each groove 8, and the entering airflow is convenient;
the lateral wall of reactor magnetic core 1 is provided with radiating fin 3, radiating fin 3's thickness is 0.5mm, radiating fin 3 is last to be the cross and has seted up bar groove 9, radiating fin 3's surperficial equipartition has trompil 10, make the heat in winding group 2 pass through fin 3 outside transmission through setting up radiating fin 3, and through the design of bar groove 9, make inside and external gas can communicate with each other, improve the thermal diffusivity, the design of trompil 10 not only can material saving, the heat of assembling of being convenient for more.
The working principle is as follows: during operation, heat at the center of the reactor magnetic core 1 is directly dissipated to the outside of the upper end and the lower end through the through hole 5, meanwhile, outside air can enter the through hole 5, the heat at the center of the reactor is dissipated, meanwhile, the heat in the winding group 2 is transmitted outwards through the fins 3, and the strip-shaped grooves 9 enable the inside air to be communicated with the outside air, so that the heat dissipation performance is improved.
In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a high heat dissipation low magnetic leakage smoothing reactor, includes fixed plate (4), the inboard of fixed plate (4) is provided with reactor magnetic core (1), the outer wall of reactor magnetic core (1) closely twines has winding group (2), its characterized in that: the reactor is characterized in that a through hole (5) is formed in the center of the reactor magnetic core (1), end covers (6) fixedly connected with the reactor magnetic core (1) are buckled at two ends of the through hole (5), connecting covers (7) are fixedly sleeved on the outer sides of the end covers (6), the connecting covers (7) are fixedly connected with a fixing plate (4), air holes (11) are formed in the fixing plate (4), and the air holes (11) are communicated with the through hole (5) through the end covers (6) and the connecting covers (7).
2. The high-heat-dissipation low-leakage flat wave reactor according to claim 1, characterized in that: and the outer side wall of the reactor magnetic core (1) is provided with radiating fins (3).
3. The high-heat-dissipation low-leakage flat wave reactor according to claim 2, characterized in that: the radiating fins (3) are cross-shaped and provided with strip-shaped grooves (9), and holes (10) are uniformly distributed on the surfaces of the radiating fins (3).
4. The high-heat-dissipation low-leakage flat wave reactor according to claim 2, characterized in that: the thickness of the radiating fins (3) is 0.5 mm.
5. The high-heat-dissipation low-leakage flat wave reactor according to claim 1, characterized in that: the outer side of the fixing plate (4) is provided with a groove (8), and the air holes (11) are formed in the groove (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021444695.XU CN212380255U (en) | 2020-07-21 | 2020-07-21 | High-heat-dissipation low-magnetic-leakage smoothing reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021444695.XU CN212380255U (en) | 2020-07-21 | 2020-07-21 | High-heat-dissipation low-magnetic-leakage smoothing reactor |
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| Publication Number | Publication Date |
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| CN212380255U true CN212380255U (en) | 2021-01-19 |
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| CN202021444695.XU Active CN212380255U (en) | 2020-07-21 | 2020-07-21 | High-heat-dissipation low-magnetic-leakage smoothing reactor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114156900A (en) * | 2021-11-24 | 2022-03-08 | 江苏现代电力科技股份有限公司 | Modular low pressure SVG, APF structure |
-
2020
- 2020-07-21 CN CN202021444695.XU patent/CN212380255U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114156900A (en) * | 2021-11-24 | 2022-03-08 | 江苏现代电力科技股份有限公司 | Modular low pressure SVG, APF structure |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A high heat dissipation and low leakage magnetic smoothing reactor Granted publication date: 20210119 Pledgee: Agricultural Bank of China Dandong Yalujiang Branch Pledgor: LIAONING XINJUN ELECTRICAL Co.,Ltd. Registration number: Y2024980010293 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |