CN102800467A - Alternating-current reactor - Google Patents
Alternating-current reactor Download PDFInfo
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- CN102800467A CN102800467A CN2012103129015A CN201210312901A CN102800467A CN 102800467 A CN102800467 A CN 102800467A CN 2012103129015 A CN2012103129015 A CN 2012103129015A CN 201210312901 A CN201210312901 A CN 201210312901A CN 102800467 A CN102800467 A CN 102800467A
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- phase coil
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- stationary seat
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Abstract
The invention discloses an alternating-current reactor, comprising a three-phase coil, a PCB (Printed Circuit Board) fixing seat, a resistor fixing plate, and a coil fixing seat, wherein the coil fixing seat is arranged between the resistor fixing plate and the three-phase coil and is fixed on the resistor fixing plate; the coil fixing seat is provided with a clamping slot matched with the outline of the three-phase coil; the alternating-current resistor further comprises a fixing mechanism which is used for fixing the three-phase coil onto the coil fixing seat. The alternating-current reactor disclosed by the invention has the advantages that the three-phase coil is firmly fixed on the coil fixing seat, so that mechanical vibrations are generated difficulty, and the stability of the resistor is enhanced; because flexible fixing clips are sued for fixing the three-phase coil, the three-phase coil is difficult to damage, so that the insulation performance of the three-phase coil is better; and the alternating-current reactor is simple in structure, convenient to use, good in heat-radiating performance, easy to realize and suitable for popularization and use.
Description
Technical field
The present invention relates to a kind of electric equipment, be specifically related to a kind of AC reactor.
Background technology
At present; In electric equipment, AC reactor is a kind of electric elements commonly used, and AC reactor is installed in the frequency converter input; Can suppress the humorous wave direction electrical network transmission that frequency converter produces; Reduce of the interference of the harmonic wave of frequency converter generation to other electric equipment, and the unusual fluctuations of restriction line voltage and the impulse current on the electrical network, its influence reduced to frequency converter.
In U.S. Pat 6900715, disclosed a kind of reactor; Referring to Fig. 1, shown in Figure 2, comprise three-phase coil 1 (interior is iron core, outward around enamelled wire); Reach the PCB holder 2 that electrically connects with this three-phase coil; Three-phase coil 1 is fixed on the reactor fixed head 4 through claw 3, is provided with a pcb board in the said PCB holder 2, and this PCB holder 2 is used to protect splicing ear and filter capacitor on the pcb board etc.; What fix with said PCB holder 2 is a reactor fixed head 4, and this reactor fixed head 4 is fixed on whole reactor on the frequency converter shell.
Above-mentioned reactor adopts coil of two claw chuckings, and not enough below existing in actual use: ⑴ is if claw intensity is too little, and then card is not firm, and coil is easy to generate mechanical oscillation; ⑵ if claw intensity is too big, and then easily that three-phase coil is outside enamelled wire scratches, and can cause the insulating properties of three-phase coil too poor; ⑶ the too poor problem of insulating properties in order to mention before solving need one go on foot dipping lacquer again with the reactor that assembles, and increase its insulating capacity, but assembling process will be complicated, and cost also can correspondingly increase; ⑷ three-phase coil just needs to use 6 claws, and part is more, and assembling process is complicated; ⑸ after claw is fixed three-phase coil, also need because bolt passes from coil inside, occupy a large amount of coil inside spaces, the radiating effect of coil is reduced greatly with bolt with interfixing between the claw.
Summary of the invention
The object of the invention provides a kind of AC reactor, through the improvement to structure, has improved the stability of reactor, and insulating properties and thermal diffusivity are better, and assembling is comparatively simple.
Technical scheme of the present invention is: a kind of AC reactor; Comprise three-phase coil, PCB holder and reactor fixed head; Said three-phase coil is arranged at said reactor fixed head top, and said PCB holder is fixed in said reactor fixed head bottom, and said AC reactor also comprises a coil stationary seat; Said coil stationary seat is arranged between said reactor fixed head and the said three-phase coil, and is fixed on the said reactor fixed head; Offer the draw-in groove that cooperates with said three-phase coil outline on the said coil stationary seat, said AC reactor comprises that also one is used for said three-phase coil is fixed in the fixed mechanism on the said coil stationary seat.
Further technical scheme; Said fixed mechanism comprises three fixed card that cooperate with said three-phase coil; Said three fixed card are outside, and said fixed card one end is connected with said coil stationary seat through screw through fixedly horizontal stripe connection, and the other end is connected with said coil stationary seat engaging.
Further technical scheme, said fixed card one end is provided with cutting, is engaged in said coil stationary seat one end with said cutting and offers slot, and said cutting is inserted in and constitutes described engaging connection in the said slot.
Further technical scheme, the vertical trip that also is provided with of said fixed card upper center with said fixed card direction, two ends of said trip are respectively to said three-phase coil direction bending.
In the technique scheme, AC reactor is made up of three-phase coil, reactor fixed head and PCB holder, and three-phase coil is arranged on reactor fixed head top; The connection of PCB holder is arranged on reactor fixed head bottom, between reactor fixed head top and three-phase coil, sets up a coil stationary seat, and the upper surface of this coil stationary seat offers the draw-in groove that matches with the three-phase coil exterior contour; Make three-phase coil can be placed in the draw-in groove; Be difficult for to produce mechanical oscillation, three fixed card are arranged at the top of three-phase coil respectively and with three-phase coil top chucking, fixed card can adopt flexible material to constitute; Like polyamide; Fixed card one end utilizes screw to be anchored on the coil stationary seat, and the other end is connected with the engaging of coil stationary seat through transplanting a cutting, thereby coil firmly is fixed on the coil stationary seat; Outside three fixed card also is connected with fixedly horizontal stripe, can increase the intensity of fixed card.
Advantage of the present invention is:
1. the present invention is through setting up a coil stationary seat between reactor fixed head and three-phase coil; Coil stationary seat upper surface offers the draw-in groove that cooperates with the three-phase coil outline; And cooperation is provided with a fixed mechanism; Thereby can three-phase coil firmly be fixed on the coil stationary seat, be difficult for producing mechanical oscillation, improve the stability of reactor;
2. fixed mechanism of the present invention is through the fixing three-phase coil of flexible fixed card, and fixed card one end is connected with the coil stationary seat through screw, and the other end leads to engage with the coil stationary seat and is connected, and not fragile three-phase coil makes that the insulating properties of three-phase coil is better;
3. the present invention is through the fixing three-phase coil of fixed card, and the parts that adopted as compared with the past are less, assembles comparatively simply, and cost is also lower, and thermal diffusivity is also better;
4. the present invention is simple in structure, and is easy to use, and is easy to realize, is fit to promote the use of.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the present invention is further described:
Fig. 1 is the stereogram of prior art.
Fig. 2 is the front view of prior art.
Fig. 3 is the stereogram of the preferred embodiment of the present invention.
Fig. 4 is the front view of the preferred embodiment of the present invention.
Fig. 5 is the cutaway view of the preferred embodiment of the present invention.
Fig. 6 is the explosive view of the preferred embodiment of the present invention.
Wherein: 1, three-phase coil; 2, PCB holder; 3, claw; 4, reactor fixed head; 5, three-phase coil; 6, PCB holder; 7, reactor fixed head; 8, coil stationary plate; 9, draw-in groove; 10, fixed card; 11, fixing horizontal stripe; 12, screw; 13, transplant a cutting; 14, trip.
Embodiment
Extremely shown in Figure 6 referring to Fig. 3; The preferred embodiment of the present invention has disclosed a kind of AC reactor; Comprise three-phase coil 5, PCB holder 6 and reactor fixed head 7; Said three-phase coil 5 is arranged at said reactor fixed head 7 tops, and said PCB holder 6 is fixedly connected on said reactor fixed head 7 bottoms.Consistent with prior art, be provided with a pcb board in the said PCB holder 6, this PCB holder 6 is used to protect splicing ear and filter capacitor on the pcb board etc.; Said reactor fixed head 7 is used for whole reactor is fixed on the frequency converter shell.
Said AC reactor also comprises a coil stationary seat 8, and said coil stationary seat 8 is arranged on the said reactor fixed head 7 and between the said three-phase coil 5, and is fixed on the said reactor fixed head 7.
Specifically, offer the draw-in groove 9 that matches with said three-phase coil 5 outlines on the said coil stationary seat 8, said three-phase coil 5 can place in it.Also be provided with the fixed mechanism that cooperates with said three-phase coil 5 on the said coil stationary seat 8.Said fixed mechanism comprises three fixed card 10 that cooperate with said three-phase coil 5; Said three fixed card, 10 outside warps fixedly horizontal stripe 11 connect; Said fixed card 10 1 ends are connected with said coil stationary seat 8 through screw 12, and the other end is connected with said coil stationary seat 8 engagings; Said fixed card 10 1 ends are provided with transplants a cutting 13, is engaged in said coil stationary seat 8 one ends with said cutting 13 and offers slot, and said cutting is inserted in and constitutes described engaging connection in the said slot; The vertical trip 14 that also is provided with said fixed card direction of said fixed card 10 upper center, two ends of said trip 14 to said three-phase coil direction bending, are used for the position of further limiting said three-phase coil 5 respectively.
The fixed card 10 of the preferred embodiment of the present invention adopts the polyamide material to make, and it has certain elasticity.During assembling, will transplant a cutting earlier and the slot engaging, accomplish the assembling of coil stationary seat 8.Then that PCB holder 6 and reactor fixed head 7 is fixing in advance, then the coil stationary seat 8 that assembles is fixed on the reactor fixed head 7.Then three-phase coil 5 is placed in the draw-in groove 9 of coil stationary seat 8; Three fixed card 10 are positioned over the top of three-phase coil respectively and three-phase coil top are tightened; Be specially: an end of fixed card 10 has adopted to transplant a cutting and has engaged with slot, and the other end uses screw 12 to be anchored on the coil stationary seat.Because fixed card 10 has certain elasticity, make it well to be complementary with the top of said three-phase coil 5, so just can three-phase coil be fixed on the coil stationary seat firmly.At last, through reactor fixed head 7 whole AC reactor is fixed on the frequency converter shell.The general employing of fixed connection in the said process is threaded, and specifically can adopt bolt nut or the like.
The foregoing description only is explanation technical conceive of the present invention and characteristics, and its purpose is to let the personage who is familiar with this technology can understand content of the present invention and enforcement according to this, can not limit protection scope of the present invention with this.All equivalences of doing according to spirit of the present invention change or modify, and all should be encompassed within protection scope of the present invention.
Claims (4)
1. AC reactor; Comprise three-phase coil (5), PCB holder (6) and reactor fixed head (7); Said three-phase coil (5) is arranged at said reactor fixed head (7) top; Said PCB holder (6) is fixed in said reactor fixed head (7) bottom; It is characterized in that: said AC reactor also comprises a coil stationary seat (8), and said coil stationary seat (8) is arranged between said reactor fixed head (7) and the said three-phase coil (5), and is fixed on the said reactor fixed head (7); Offer the draw-in groove (9) that cooperates with said three-phase coil (5) outline on the said coil stationary seat (8), said AC reactor comprises that also one is used for said three-phase coil (5) is fixed in the fixed mechanism on the said coil stationary seat (8).
2. a kind of AC reactor according to claim 1; It is characterized in that: said fixed mechanism comprises three fixed card (10) that cooperate with said three-phase coil (5); Said three fixed card (10) are outside through fixedly horizontal stripe (11) connection; Said fixed card (10) one ends are connected with said coil stationary seat (8) through screw (12), and the other end is connected with said coil stationary seat (8) engaging.
3. a kind of AC reactor according to claim 2; It is characterized in that: said fixed card (10) one ends are provided with cutting (13); Be engaged in said coil stationary seat (8) one ends with said cutting (13) and offer slot, said cutting (13) is inserted in and constitutes described engaging connection in the said slot.
4. a kind of AC reactor according to claim 1; It is characterized in that: the vertical trip (14) that also is provided with said fixed card (10) direction of said fixed card (10) upper center, two ends of said trip (14) are respectively to said three-phase coil direction bending.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103129015A CN102800467A (en) | 2012-08-30 | 2012-08-30 | Alternating-current reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103129015A CN102800467A (en) | 2012-08-30 | 2012-08-30 | Alternating-current reactor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102800467A true CN102800467A (en) | 2012-11-28 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012103129015A Pending CN102800467A (en) | 2012-08-30 | 2012-08-30 | Alternating-current reactor |
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| Country | Link |
|---|---|
| CN (1) | CN102800467A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109273206A (en) * | 2018-10-19 | 2019-01-25 | 伊顿智能动力有限公司 | For supporting the holder device, inductor arrangement and uninterruptible power supply of inductor |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06325958A (en) * | 1993-05-13 | 1994-11-25 | Tokin Corp | Geared choke coil |
| US20040104800A1 (en) * | 2002-05-31 | 2004-06-03 | Vacon Oyj | Fastening device |
| US20040113733A1 (en) * | 2002-05-31 | 2004-06-17 | Vacon Oyj | Fastening device for toroidal choking coil |
| CN202585068U (en) * | 2012-08-30 | 2012-12-05 | 伟肯(苏州)电气传动有限公司 | Alternating-current reactor |
-
2012
- 2012-08-30 CN CN2012103129015A patent/CN102800467A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06325958A (en) * | 1993-05-13 | 1994-11-25 | Tokin Corp | Geared choke coil |
| US20040104800A1 (en) * | 2002-05-31 | 2004-06-03 | Vacon Oyj | Fastening device |
| US20040113733A1 (en) * | 2002-05-31 | 2004-06-17 | Vacon Oyj | Fastening device for toroidal choking coil |
| CN202585068U (en) * | 2012-08-30 | 2012-12-05 | 伟肯(苏州)电气传动有限公司 | Alternating-current reactor |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109273206A (en) * | 2018-10-19 | 2019-01-25 | 伊顿智能动力有限公司 | For supporting the holder device, inductor arrangement and uninterruptible power supply of inductor |
| EP3640961A1 (en) * | 2018-10-19 | 2020-04-22 | Eaton Intelligent Power Limited | Bracket mechanism for supporting an inductor, an inductor device, and an uninterruptible power supply |
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Application publication date: 20121128 |