CN218525420U - Reactor iron core and reactor device - Google Patents
Reactor iron core and reactor device Download PDFInfo
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- CN218525420U CN218525420U CN202122390442.XU CN202122390442U CN218525420U CN 218525420 U CN218525420 U CN 218525420U CN 202122390442 U CN202122390442 U CN 202122390442U CN 218525420 U CN218525420 U CN 218525420U
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Abstract
The utility model discloses a reactor iron core and a reactor device, wherein the reactor iron core comprises an E-shaped sheet, the E-shaped sheet is provided with a middle column and side columns positioned at two sides of the middle column, and the height of the middle column is less than that of the side columns; the top of center pillar is provided with the column sheet, leaves first air gap between column sheet and the center pillar, and the top of column sheet flushes with the top of limit post and forms the butt plane, and butt plane top is provided with I type piece, leaves second air gap between I type piece and the butt plane. The reactor device comprises a coil, a fixed clamping piece and a reactor iron core; the coil is sleeved on the middle post and the post piece; the fixing clamp is adapted to fix the I-piece to the E-piece. The utility model discloses a reactor iron core and reactor device, its air gap thickness is moderate, need not to use high magnetic conduction iron core, has satisfied the continuous requirement of electric current, has guaranteed the electric energy quality when reduction in production cost.
Description
Technical Field
The utility model relates to an electrical equipment technical field especially relates to a reactor iron core and reactor device.
Background
The direct current reactor is applied between direct current rectification and inversion links of a frequency conversion system of a control cabinet, and is mainly used for limiting alternating current components on direct current, keeping rectification current continuous, reducing current pulse values, enabling the inversion links to operate more stably, improving power factors of a frequency converter, improving power quality, effectively protecting an elevator motor and enabling the elevator motor to operate stably and reliably.
Conventionally, as shown in fig. 1, an iron core of a dc single-phase reactor generally employs EI-type silicon steel sheets, and is separated by an air gap 3 between an E-type silicon steel sheet 1 and an I-type silicon steel sheet 2, thereby forming a magnetic circuit with the air gap 3. The coil is embedded into the center column of the E-shaped silicon steel sheet 1, the I-shaped silicon steel sheet 2 presses the air gap 3 on the E-shaped silicon steel sheet 1, and the EI silicon steel sheet and the coil are fixed through the fixing piece, so that the whole filter reactor is formed.
Therefore, the air gap 3 of the filter reactor is only arranged between the E-shaped silicon steel sheet 1 and the I-shaped silicon steel sheet 2, and the air gap 3 can reduce the magnetic saturation of the iron core, so that the inductance value is changed slightly when different magnetizing currents are used. Properly reduce the inductance increase when air gap thickness makes minimum load current to satisfy the continuous requirement of electric current, guarantee the electric energy quality, nevertheless because inductance value is injectd, single air gap 3 thickness is great, and is difficult to adjust, can only solve through using high magnetic conduction iron core, leads to the filter reactor device with high costs.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model discloses an one of the purposes lies in providing a reactor iron core, the utility model discloses a second of the purposes lies in providing a reactor device, and its air gap thickness is moderate, need not to use high magnetic conductivity iron core, has satisfied the continuous requirement of electric current, has guaranteed electric energy quality when reduction in production cost.
The utility model discloses an one of the purpose adopts following technical scheme to realize:
a reactor core, comprising: the E-shaped sheet is provided with a middle column and side columns positioned on two sides of the middle column, and the height of the middle column is smaller than that of the side columns; the top of center pillar is provided with the column sheet, leave first air gap between column sheet and the center pillar, the top of column sheet flushes with the top of limit post and forms the butt plane, butt plane top is provided with I type piece, leave the second air gap between I type piece and the butt plane.
Further, a first insulating paper or a first insulating plate is arranged between the column piece and the center column to form the first air gap.
Further, a second insulating paper or a second insulating plate is arranged between the I-shaped sheet and the abutting plane to form the second air gap.
Furthermore, the E-shaped sheet and the I-shaped sheet are both silicon steel sheets.
The purpose of the utility model is realized by adopting the following technical scheme:
a reactor device, characterized by comprising: a coil, a fixing clip, and a reactor core; the coil is sleeved on the middle post and the post sheet; the securing clamp is adapted to secure the I-plate to the E-plate.
Furthermore, two first through holes are formed in the I-shaped sheet, and two second through holes are formed in the E-shaped sheet; the fixed clamping piece comprises four bolts and four connecting pieces; the connecting piece is provided with a mounting hole and an iron core fixing hole; the connecting pieces are arranged at two ends of the first through hole, and the first through hole and the iron core fixing holes of the connecting pieces are positioned on the same straight line; the first through hole and the corresponding iron core fixing hole are internally provided with the bolt; the connecting pieces are arranged at two ends of the second through hole, and the second through hole and the mounting holes of the connecting pieces are positioned on the same straight line; the bolts are arranged in the second through holes and the corresponding mounting holes.
Compared with the prior art, the beneficial effects of the utility model reside in that: compared with the high-permeability iron core, the two air gaps with proper thickness can also obtain an inductance value matched with a system, so that the requirement of current continuity is met, the electric energy quality is guaranteed, and the cost is reduced.
Drawings
FIG. 1 is a schematic diagram of a prior art reactor core;
fig. 2 is a schematic diagram of a reactor core in the present invention;
fig. 3 is a schematic diagram of the reactor device of the present invention.
In the figure: 1. e-shaped silicon steel sheets; 2. i-type silicon steel sheets; 3. an air gap; 4. e-shaped sheets; 41. a center pillar; 42. side columns; 43. a second through hole; 5. a column sheet; 6. a type I plate; 61. a first through hole; 7. a first air gap; 8. a second air gap; 9. a coil; 100. a bolt; 200. connecting sheets; 201. mounting holes; 202. and an iron core fixing hole.
Detailed Description
In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Example one
As shown in fig. 2, there is shown a reactor core including an E-shaped piece 4, the E-shaped piece 4 having a center pillar 41 and side pillars 42 located at both sides of the center pillar 41, the center pillar 41 having a height smaller than that of the side pillars 42; the top of the center pillar 41 is provided with a pillar piece 5, a first air gap 7 is reserved between the pillar piece 5 and the center pillar 41, the top of the pillar piece 5 is flush with the top of the side pillar 42 to form a butting plane, an I-shaped piece 6 is arranged above the butting plane, and a second air gap 8 is reserved between the I-shaped piece 6 and the butting plane. Specifically, a first insulating paper or a first insulating plate may be provided between the pillar piece 5 and the center pillar 41 to form the first air gap 7; likewise, a second insulating paper or plate may be placed between the I-shaped piece 6 and the abutment plane to form a second air gap 8. Wherein the height of the center pillar 41 is equal to the height of the pillar piece 5. The E-shaped sheet 4 and the I-shaped sheet 6 are both silicon steel sheets.
The utility model discloses a reactor iron core is by original E type silicon steel sheet 1 and the combination of I type silicon steel sheet 2, become E type sheet 4, the column sheet 5, the combination of I type sheet 6, original one air gap that forms in E type silicon steel sheet 1 and the combination department of I type silicon steel sheet 2 becomes to form first air gap 7 and form second air gap 8 in column sheet 5 and the combination department of I type sheet 5 in E type sheet 4 and the combination department of column sheet 5 promptly, compare in only an air gap, first air gap 7 and second air gap 8 can set up thinner (thickness is moderate promptly), so, compare in using high magnetic conduction iron core, the air gap that sets up two equal thickness can obtain the inductance value that matches with the system equally, thereby satisfy the continuous requirement of electric current, guarantee electric energy quality, and the cost is reduced. In addition, through the first insulating paper or the first insulating board that use different thickness can be very convenient the thickness capacity of the first air gap 7 of regulation, through the second insulating paper or the second insulation board that use different thickness can be very convenient the thickness capacity of the second air gap 8 of regulation, promptly the utility model discloses a reactor iron core can be very convenient adjust the air gap moderate to thickness to make its inductance value phase-match with the system.
Example two
As shown in fig. 3, a reactor arrangement is shown, which comprises a coil 9, a stationary clamping member and a reactor core according to the first embodiment. The coil 9 is sleeved on the middle post 41 and the post piece 5; the fixing clamp is adapted to fix the I-plate 6 to the E-plate 4. Specifically, the I-shaped sheet 6 is provided with two first through holes 61, and the E-shaped sheet 4 is provided with two second through holes 43; the fixing clamp includes four bolts 100, and four connecting pieces 200; the connecting sheet 200 is provided with a mounting hole 201 and an iron core fixing hole 202; connecting pieces 200 are arranged at two ends of the first through hole 61, and the first through hole 61 and an iron core fixing hole 202 of the connecting piece 200 are positioned on the same straight line; bolts 100 are arranged in the first through holes 61 and the corresponding iron core fixing holes 202; connecting pieces 200 are arranged at two ends of the second through hole 43, and the second through hole 43 and the mounting hole 201 of the connecting piece 200 are positioned on the same straight line; bolts 100 are provided in the second through holes 43 and the corresponding mounting holes 201.
The utility model discloses an among the reactor device, through bolt 100 and connection piece 200 locking between I type piece 6 and the E type piece 4, I type piece 6 compresses tightly post piece 5 on center pillar 41 this moment, and the cover of coil 9 is established on center pillar 41 and post piece 5 for whole reactor device connects into a whole.
Because the utility model discloses a reactor device has adopted the reactor iron core of embodiment one, so it need not to use high magnetic conduction iron core equally, just can satisfy the continuous requirement of electric current, has guaranteed the electric energy quality in reduction in production cost.
The above is only the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and all the same principles are included in the protection scope of the present invention.
Claims (6)
1. A reactor core, comprising: the E-shaped sheet is provided with a middle column and side columns positioned on two sides of the middle column, and the height of the middle column is smaller than that of the side columns; the top of center pillar is provided with the column piece, leave first air gap between column piece and the center pillar, the top of column piece flushes with the top of limit post and forms the butt plane, butt plane top is provided with I type piece, leave second air gap between I type piece and the butt plane.
2. The reactor core according to claim 1, characterized in that: a first insulating paper or a first insulating plate is arranged between the column piece and the middle column to form the first air gap.
3. The reactor core according to claim 1, characterized in that: and a second insulating paper or a second insulating plate is arranged between the I-shaped sheet and the abutting plane to form the second air gap.
4. The reactor core according to claim 1, characterized in that: the E-shaped sheet and the I-shaped sheet are both silicon steel sheets.
5. A reactor device, characterized by comprising: a coil, a fixing clip, and the reactor core according to any one of claims 1 to 4; the coil is sleeved on the middle column and the column sheet; the securing clamp is adapted to secure the I-plate to the E-plate.
6. The reactor device according to claim 5, characterized in that: the I-shaped sheet is provided with two first through holes, and the E-shaped sheet is provided with two second through holes; the fixed clamping piece comprises four bolts and four connecting pieces; the connecting piece is provided with a mounting hole and an iron core fixing hole; the connecting pieces are arranged at two ends of the first through hole, and the first through hole and the iron core fixing hole of the connecting piece are positioned on the same straight line; the bolts are arranged in the first through holes and the corresponding iron core fixing holes; the connecting pieces are arranged at two ends of the second through hole, and the second through hole and the mounting holes of the connecting pieces are positioned on the same straight line; the bolts are arranged in the second through holes and the corresponding mounting holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122390442.XU CN218525420U (en) | 2021-09-29 | 2021-09-29 | Reactor iron core and reactor device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122390442.XU CN218525420U (en) | 2021-09-29 | 2021-09-29 | Reactor iron core and reactor device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218525420U true CN218525420U (en) | 2023-02-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122390442.XU Active CN218525420U (en) | 2021-09-29 | 2021-09-29 | Reactor iron core and reactor device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218525420U (en) |
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2021
- 2021-09-29 CN CN202122390442.XU patent/CN218525420U/en active Active
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