CN206134476U - Smoothing reactor - Google Patents

Smoothing reactor Download PDF

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Publication number
CN206134476U
CN206134476U CN201621213141.2U CN201621213141U CN206134476U CN 206134476 U CN206134476 U CN 206134476U CN 201621213141 U CN201621213141 U CN 201621213141U CN 206134476 U CN206134476 U CN 206134476U
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Prior art keywords
coil
conductive
magnetic core
smoothing reactor
hole
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CN201621213141.2U
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Chinese (zh)
Inventor
刘达贵
周文全
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Sichuan Injet Electric Co Ltd
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Sichuan Injet Electric Co Ltd
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Priority to CN201621213141.2U priority Critical patent/CN206134476U/en
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Abstract

The utility model discloses a smoothing reactor, including coil, magnetic core and installed part, wherein, the coil is the surface and keeps apart the conductive metal piece after handling through insulating material, the multilayer annular structure that forms through the mode of stromatolite coiling, and its structure is compacter, has reduced the volume, and because the coil adopts conductive metal piece current -carrying capacity big, many circles winding inductance value is big moreover. The magnetic core cover is established and is circled on line simultaneously to the magnetic core is fixed through the installed part on passing the electrically conductive radiator of coil through -hole. Because the input conductor is regarded as to the electrically conductive radiator with the exterior structure, avoids using extra conductor, has saved the cost, the electrically conductive radiator of exterior structure passes the coil through -hole in addition, has reduced the installation complexity, still utilizes electrically conductive radiator to dispel the heat to coil and magnetic core simultaneously, improves the radiating effect.

Description

Smoothing reactor
Technical Field
The utility model relates to a reactor technical field, in particular to smoothing reactor that current-carrying capacity is big, inductance is big, be convenient for heat dissipation and installation and with low costs.
Background
The smoothing reactor is widely applied to a rectified direct current loop and used for filtering, limiting short-circuit current and the like. In the prior art, the heat is usually radiated by adopting an air cooling or water cooling mode, however, the adoption of the air cooling mode is easy to cause heat radiation failure due to fan failure or influence the heat radiation effect due to dust accumulation; the water cooling mode is adopted, and the coil is cooled by the water through a copper pipe (such as a water-cooled reactor with the patent number of 201420367920.2), so that the defects of small current-carrying capacity, large volume and easy water leakage of a water joint exist.
In addition, the existing low-voltage direct-current power supply mostly adopts a heat radiator to radiate a power device, and simultaneously, the low-voltage direct-current power supply also can be used as a conductive busbar output by the power supply, and the reactor is usually serially sleeved on the heat radiator.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: the heat dissipation device aims at the problems of small load flow, small inductance, unsatisfactory heat dissipation effect, inconvenience in installation, large volume, high cost and the like in the prior art.
In order to achieve the above object of the present invention, the present invention provides a smoothing reactor, which comprises a coil, a magnetic core and a mounting member, wherein,
the coil is of a multilayer annular structure formed by laminating and winding conductive metal sheets with surfaces subjected to insulation material isolation treatment, and a through hole of the coil is used for penetrating into a conductive radiator of an external structure; the coil is cooled by the conductive cooling body.
The magnetic core is sleeved on the coil, and the mounting piece is used for fixing the magnetic core on the conductive heat radiation body penetrating through the coil through hole.
According to a specific embodiment, the end of the conductive metal sheet in the coil through hole is connected with a first conductive block as one end of a smoothing reactor, and the end of the conductive metal sheet outside the coil is connected with a second conductive block as the other end of the smoothing reactor; the first conductive block is used for being electrically connected with a conductive heat radiator penetrating through the coil through hole.
According to a specific embodiment, the connection manner of the conductive metal sheet and the first conductive block and the second conductive block, respectively, and the connection manner of the first conductive block and the conductive heat sink of the external structure are one of welding, screw connection, or riveting.
According to a specific embodiment, the magnetic cores include a pair of U-shaped magnetic cores, wherein one end of each of the two U-shaped magnetic cores is butted in the through hole of the coil, the other end of each of the two U-shaped magnetic cores is butted outside the coil, and at least one air gap is formed between the butted ends of the two U-shaped magnetic cores by arranging an insulating sheet.
According to a specific embodiment, an air gap between the butted ends of the two U-shaped magnetic cores is filled with glue.
According to a specific embodiment, the U-shaped magnetic core is made of one of amorphous, ultra-microcrystalline, ferrite or silicon steel, preferably amorphous.
According to a specific embodiment, the mounting member is disposed along a surface of the magnetic core, and two ends of the mounting member are fixed on the conductive heat sink of the external structure through screws for pressing the magnetic core.
According to a specific embodiment, the coil through-hole has a shape of one of a rectangle, a circle, and a rounded rectangle.
Compared with the prior art, the beneficial effects of the utility model
The utility model discloses an among the smoothing reactor, the coil is the electrically conductive sheetmetal after insulating material isolation processing of surface, and the multilayer annular structure that forms through the mode of stromatolite coiling, its structure is compacter, has reduced the volume, moreover because the coil adopts electrically conductive sheetmetal, its current-carrying capacity is big. Meanwhile, the magnetic core is sleeved on the coil with the multilayer structure, and the inductance is increased relative to a single-turn coil. In addition, the magnetic core is fixed on the conductive radiator penetrating through the coil through hole through the mounting piece, the cost is saved as the conductive radiator of the external structure is used as a connecting conductor, the conductive radiator of the external structure penetrates through the coil through hole, the installation complexity is reduced, meanwhile, the conductive radiator is used for radiating the coil and the magnetic core, and the radiating effect is improved.
Description of the drawings:
FIG. 1 is a schematic illustration of the present invention in use;
fig. 2 is a schematic front structural view of the present invention;
fig. 3 is a schematic diagram of the explosion structure of the present invention.
List of reference numerals
1-coil, 2-first conductive block, 3-second conductive block, 4-magnetic core, 5-mounting piece, 6-conductive heat sink and 10-conductive metal sheet.
Detailed Description
The present invention will be described in further detail with reference to the following detailed description. However, it should not be understood that the scope of the above-mentioned subject matter is limited to the following embodiments, and all the technologies realized based on the present invention are within the scope of the present invention.
Fig. 1 is a schematic view of the present invention in application; wherein, the utility model discloses a smoothing reactor includes coil 1, magnetic core 4 and installed part 5.
The coil 1 is a multilayer annular structure formed by laminating and winding conductive metal sheets 10 with surfaces subjected to insulation material isolation treatment. The coil is more compact in structure, the size is reduced, and the cross section area of the coil is larger than that of a common lead due to the fact that the coil is made of the conductive metal sheet, so that the current-carrying capacity of the coil is larger. Furthermore, the through-hole of the coil is used for penetrating the conductive heat sink 6 of the external structure.
Meanwhile, the magnetic core 4 is sleeved on the coil 1 formed by the multilayer conductive metal sheet in a laminated winding mode, and the large inductance is increased relative to a single-turn coil; and the magnetic core 4 is fixed to a conductive heat sink 6 passing through the through hole of the coil 1 by a mounting member 5.
In the utility model discloses in, the coil is the electrically conductive sheetmetal after insulating material isolation processing of surface, and the multilayer annular structure that forms through the mode of stromatolite coiling, its structure is compacter, has reduced the volume, and because the coil adopts electrically conductive sheetmetal, its current-carrying capacity is big moreover. Meanwhile, the magnetic core is sleeved on the coil and is fixed on the conductive heat radiator penetrating through the coil through hole through the mounting piece. The conductive radiator with the external structure is used as the connecting conductor, so that the use of additional conductors is reduced, the cost is saved, the conductive radiator with the external structure penetrates through the coil through hole, the installation complexity is reduced, and meanwhile, the conductive radiator is used for radiating the coil and the magnetic core, so that the radiating effect is improved.
In implementation, the end part of the conductive metal sheet 10 positioned in the through hole of the coil 1 is connected with the first conductive block 2 to serve as one end of the smoothing reactor, and the end part of the conductive metal sheet 10 positioned outside the coil 1 is connected with the second conductive block 3 to serve as the other end of the smoothing reactor; the first conductive block 2 is used for electrically connecting with a conductive heat sink 6 penetrating through a through hole of the coil 1.
Specifically, the conductive metal sheet 10 is connected to the first conductive block 2 and the second conductive block 3 by welding, screwing, or riveting. And the first conductive block 2 is connected with the conductive heat sink 6 of the external structure by welding, screwing or riveting.
In another aspect, the present invention provides a cooling channel inside the conductive heat sink 6 of the external structure, and the heat is taken away by the cooling liquid in the cooling channel. Thereby, in using, further promote the utility model discloses a radiating effect.
The front structure schematic diagram and the explosion structure schematic diagram of the present invention shown in fig. 2 and fig. 3, respectively; the magnetic cores 4 include a pair of U-shaped magnetic cores, wherein one end of each of the two U-shaped magnetic cores is butted with the other end of each of the two U-shaped magnetic cores in the through hole of the coil 1, and the other end of each of the two U-shaped magnetic cores is butted with the other end of the coil 1 outside the coil 1. And an insulating sheet is arranged between the butted ends of the two U-shaped magnetic cores, and at least one air gap is formed through the insulating sheet.
When the implementation, fill the colloid between the butt joint's of two U type magnetic cores, and then promote the connection effect between the U type magnetic core. The U-shaped magnetic core of the utility model is made of one of amorphous material, ultra-microcrystal, ferrite or silicon steel.
The utility model discloses in, installed part 5 sets up along the surface of magnetic core 4 to the fix with screw is passed through on the electrically conductive radiator 6 of exterior structure at the both ends of installed part 5, is used for compressing tightly magnetic core 4.
The utility model discloses in, the coil through-hole is the shape of one of rectangle, circular or fillet rectangle. Of course, the shape and size of the coil through hole are not limitations of the present invention.
While the present invention has been described in detail with reference to the embodiments, the present invention is not limited to the embodiments, and various modifications and changes can be made by those skilled in the art without departing from the spirit and scope of the claims of the present application.

Claims (7)

1. A smoothing reactor comprises a coil, a magnetic core and a mounting piece, and is characterized in that: wherein,
the coil is of a multilayer annular structure formed by laminating and winding conductive metal sheets with surfaces subjected to insulation material isolation treatment, and a through hole of the coil is used for penetrating into a conductive radiator of an external structure;
the magnetic core is sleeved on the coil, and the mounting piece is used for fixing the magnetic core on the conductive heat radiation body penetrating through the coil through hole.
2. The smoothing reactor according to claim 1, wherein an end portion of the conductive metal piece located in the coil through hole is connected to a first conductive block as one end of the smoothing reactor, and an end portion of the conductive metal piece located outside the coil is connected to a second conductive block as the other end of the smoothing reactor; the first conductive block is used for being electrically connected with a conductive heat radiator penetrating through the coil through hole.
3. The smoothing reactor of claim 2, wherein the conductive metal sheets are connected to the first and second conductive blocks, respectively, and the first conductive block is connected to the conductive heat sink of the external structure by one of welding, screwing, or riveting.
4. The smoothing reactor according to claim 1, wherein said magnetic cores comprise a pair of U-shaped magnetic cores, wherein one ends of each of said two U-shaped magnetic cores are butted in said through hole of said coil, the other ends thereof are butted outside said coil, and at least one air gap is formed between the butted ends of said two U-shaped magnetic cores by providing an insulating sheet.
5. The smoothing reactor of claim 4, wherein an air gap between abutting ends of said two U-shaped magnetic cores is filled with glue.
6. The smoothing reactor according to claim 1 or 2, wherein the mount is provided along a surface of the magnetic core, and both ends of the mount are fixed to a conductive heat sink of an external structure by screws for pressing the magnetic core.
7. The smoothing reactor of claim 1, wherein the coil through-hole is in the shape of one of a rectangle, a circle, or a rounded rectangle.
CN201621213141.2U 2016-11-10 2016-11-10 Smoothing reactor Active CN206134476U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201621213141.2U CN206134476U (en) 2016-11-10 2016-11-10 Smoothing reactor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201621213141.2U CN206134476U (en) 2016-11-10 2016-11-10 Smoothing reactor

Publications (1)

Publication Number Publication Date
CN206134476U true CN206134476U (en) 2017-04-26

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201621213141.2U Active CN206134476U (en) 2016-11-10 2016-11-10 Smoothing reactor

Country Status (1)

Country Link
CN (1) CN206134476U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111627686A (en) * 2020-07-02 2020-09-04 襄阳德辉电气有限公司 Manufacturing method of water-cooling smoothing reactor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111627686A (en) * 2020-07-02 2020-09-04 襄阳德辉电气有限公司 Manufacturing method of water-cooling smoothing reactor

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