CN205039045U - Reactor iron core structure with side board - Google Patents
Reactor iron core structure with side board Download PDFInfo
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- CN205039045U CN205039045U CN201520707928.3U CN201520707928U CN205039045U CN 205039045 U CN205039045 U CN 205039045U CN 201520707928 U CN201520707928 U CN 201520707928U CN 205039045 U CN205039045 U CN 205039045U
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- silicon steel
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- side panel
- steel part
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Abstract
The utility model discloses a reactor iron core structure with side board, including two at least silicon steel, silicon steel comprises the silicon steel sheet of a plurality of range upon range of settings, and each silicon steel arranges and sets up, forms the air gap between two adjacent silicon steel, be provided with the air gap board in the air gap, it is fixed with the silicon steel bonding that the air gap board passes through the adhesive, its characterized in that, silicon steel's both sides face is provided with the side board respectively, and laterally the board scribbles the adhesive with silicon steel's faying face, makes silicon steel's the bonding that the both sides face is firm with the side board become a whole, the side board seals air gap both ends and fixed with each silicon steel both ends bonding simultaneously, air gap board length is less than silicon steel length, laterally forms the recess on board and silicon steel's the adhesive surface. The utility model discloses a set up the side board, very big suppression the vibration at the silicon steel outside or air gap both ends, fabulous the noise reduction effect has.
Description
Technical field
The utility model relates to iron core reactor field, in particular a kind of reactor iron core structure with side panel.
Background technology
In modernization industry, iron core reactor is as the indispensable vitals of field of power electronics, in the harmonic suppression circuit being widely used in power transmission electric network or power compensating circuit, be also widely used in the filter circuit in the fields such as electric locomotive, marine vessel, new forms of energy, UPS, resonant circuit or current-limiting circuit etc. simultaneously.In practical application, the electric current flowing through iron core reactor is not only the sine-wave current of 50Hz or 60Hz, and often containing abundant harmonic wave (150Hz ~ 2kHz), high frequency modulated ripple (1kHz ~ 20kHz) etc.Due to structure and its application restriction of iron core reactor, reactor can produce various noise, abnormal sound, vibration etc. in real work, and this is that people are insufferable.
Traditional reactor iron core structure generally comprises at least two symmetrically arranged silicon steel parts, and this silicon steel part is formed by multiple silicon steel sheet is stacked.In order to adjust inductance value and guarantee the linearity of inductance value, usually single or multiple air gap plate is provided with in the gap between two silicon steel parts, and in order to suppress the noise of reactor, traditional way is that folded by two or many folded silicon steel sheets utilize epoxy resin bonding to fix with air gap plate, places silicon steel sheet vibration displacement generation noise.This way inhibits the noise of reactor to a certain extent, but because traditional air gap plate is generally arranged in the gap between two silicon steel parts, the adhesive surface consistent size of its size and stacked silicon steel sheet, the air gap plate of this structure is when bonding, can only be held into epoxy resin in a small amount, therefore its bonding effect is poor.Meanwhile, only utilize the air gap plate in the gap be arranged between two silicon steel parts to be fixed silicon steel part, its fixed effect is poor, cannot suppress the vibration produced outside silicon steel part.In order to reduce product noise, also have and whole reactor is adopted epoxy sealing, but this can increase product cost and volume undoubtedly, and be unfavorable for heat radiation.
Therefore, prior art has yet to be improved and developed.
Utility model content
The purpose of this utility model is to provide a kind of reactor iron core structure with side panel, is intended to the noise reducing reactor.
After deliberation, in the magnetic field of alternation, the Ji Li of the stacked silicon steel part generation noise of the core of reactor after dipping lacquer is from outside to inside, that is, first the silicon steel sheet of outside loosens and is subjected to displacement, and vibration appears in silicon steel sheet in the magnetic field of alternation, thus produces noise; And then, the silicon steel sheet displacement of outside and vibration can drive inner silicon steel sheet to produce displacement and vibration, accumulate over a long period, and in layer inside loosens phenomenon in the same way, thus occurs the aggravation of noise.Especially at the two ends of air gap, due to edge flux effect, the impact that the vibrative probability in two sides of silicon steel sheet and vibration produce is inner much larger than air gap.In order to solve this problem, the utility model optimizes the structure of iron core, proposes a kind of reactor iron core structure with side panel completely newly.
The technical solution of the utility model is as follows: a kind of reactor iron core structure with side panel, comprise at least two silicon steel parts, described silicon steel part is made up of the silicon steel sheet of multiple stacked setting, each silicon steel part spread configuration, air gap is formed between two adjacent silicon steel parts, air gap plate is provided with in described air gap, described air gap plate is adhesively fixed by adhesive and silicon steel part, wherein, the two sides of described silicon steel part are respectively arranged with side panel, adhesive is used to be bondd the side of each silicon steel part on the side panels, described side panel is closed air gap two ends and is adhesively fixed with each silicon steel part two ends simultaneously, described air gap plate length is less than silicon steel part length, the adhesive surface of side panel and silicon steel part forms groove, same, binding agent can be covered with whole groove, further reduction noise.The base reason arranging side panel reduction reactor noise is, when there is potential displacement in the magnetic field of silicon steel sheet at alternation, due to two sides of silicon steel part and side panel strong bonded as a whole, stop its displacement, prevent vibration, avoid or reduce product noise, its effect adopts the effect of epoxy sealing similar to by whole stem stem, but really reduces small product size and cost.Arranging of side panel can the vibration that produces of the side (especially the two ends of air gap) of extraordinary suppression silicon steel part, noise when utilizing the reactor of fabrication of iron core of the present utility model to work is reduced greatly, stability and the life-span of reactor work are simultaneously greatly improved, its life at least one times.
Further, the adhesive surface of side panel and silicon steel part is matsurface.The setting of matsurface makes can hold more adhesive between side panel and silicon steel part, can improve the steadiness of both bondings, has great facilitation to reduction noise.
Further, side panel is fibre insulation board.Fiber insulation intralamellar part has many tiny gaps, especially surface is through the fibre insulation board of polishing, and the gap on its surface is more, and these fine gap not only have certain noise reduction, be conducive to holding more adhesive, the steadiness that raising side panel and silicon steel part bond simultaneously.
Further, the end face of silicon steel sheet is provided with burr, and after each silicon steel sheet stacked formation silicon steel part, the burr direction of each silicon steel sheet end face is consistent.This set structure, can ensure between each silicon steel sheet closely stacked, substantially seamless on the one hand, improve lamination coefficient and homogeneity of product, the silicon steel part dimensional accuracy that processing obtains is high, is conducive to enhancing product performance; On the other hand, the consistent burr in direction can be better adhesively fixed by adhesive and air gap plate or side panel, is conducive to the steadiness improving silicon steel part and air gap plate or side panel bonding, has the effect reducing finished product reactor noise preferably simultaneously.
The utility model is opened and is disclosed this manufacture craft with the reactor iron core structure of side panel, comprises the following steps:
A, processing cutting silicon steel sheet, the cut direction of each part silicon steel sheet is consistent, and the burr direction that silicon steel sheet cutting is obtained is consistent;
B, by stacked for multiple silicon steel sheet formation silicon steel part, utilize adhesive tape to bundle preliminary fixing, the silicon steel part obtained is consistent with the burr direction of each silicon steel sheet on the adhesive surface that air gap plate or side panel bond;
C, making air gap plate and side panel, polish to side panel, make the adhesive surface of side panel and silicon steel part coarse;
D, smear adhesive to the adhesive surface of air gap plate, air gap plate is placed in the air gap of two silicon steel parts, the extruding of silicon steel part is made it to be adhesively fixed with air gap plate;
E, smear adhesive to the adhesive surface of side panel, side panel is sticked to the side of silicon steel part, begin to take shape core structure, special equipment is utilized to carry out consolidation to six of iron core stem stem faces, extruding force is moderate, makes adhesive be filled in empty place between side panel and silicon steel part two sides, is also filled in air gap plate both ends groove simultaneously and infiltrates in silicon steel part, after to be bonded dose of solidification, obtain reactor iron core structure.Its effect adopts the effect of epoxy sealing similar to by whole stem stem, but really reduces small product size and cost.
In practical application, adhesive can adopt adhesive on the market, such as, adopt epoxy (epoxy resin) or acrylic adhesive.
The utility model is in order to improve the effect that is adhesively fixed of adhesive, propose a kind of new type bonding agent, this adhesive not only bond properties is good, and penetration is strong, this adhesive has good thermal endurance and electromagnetic shielding performance simultaneously, the production and application of very applicable core of reactor.Concrete, the composition of adhesive, according to listed as parts by weight, comprising: epoxy resin 15 ~ 20 parts, Fructus Gleditsia extract 0.5 ~ 1 part, promoter 0.5 ~ 1.5 part.In practical application, the preparation method of Fructus Gleditsia extract is as follows: get Gleditsia officinalis fruit, pulverizes, add the clear water that quality is crushed material 5 ~ 8 times, stir after 30 minutes and heat 20 minutes, heating-up temperature is 55 DEG C ~ 70 DEG C, leave standstill and be cooled to room temperature, filter and obtain Fructus Gleditsia extract.
Preferably, after silicon steel part, air gap plate and side panel are bonded, be placed in environment baking 30 ~ 60min that temperature is 55 DEG C ~ 65 DEG C, adhesive is solidified completely.In practical application, baking temperature is unsuitable too high, avoids the activity destroying Fructus Gleditsia extract.
In practical application, for improving the curing efficiency of epoxy resin, improve the combination degree of epoxy resin and Fructus Gleditsia extract simultaneously, also add promoter in adhesive of the present utility model, this promoter is one or more mixing in altax P-30, promoter EP-184, triethanolamine, promoter K-61B or accelerant C T-152X.
The beneficial effects of the utility model: the utility model, by arranging side panel, inhibits outside silicon steel part greatly or the vibration at air gap two ends, has fabulous Noise Reduction.Its effect adopts the effect of epoxy sealing similar to by whole stem stem, but really reduces small product size and cost, compares epoxy sealing due to not totally-enclosed so be more conducive to heat radiation.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model reactor iron core structure.
Fig. 2 is the structural representation of the reactor iron core structure after being adhesively fixed.
Fig. 3 is the reactor iron core structure sketch with multiple silicon steel part.
Embodiment
For making the purpose of this utility model, technical scheme and advantage clearly, clearly, referring to the accompanying drawing embodiment that develops simultaneously, the utility model is further described.
Embodiment 1
Present embodiment discloses a kind of reactor iron core structure with side panel, as illustrated in fig. 1 and 2, comprise two silicon steel parts 100, this silicon steel part 100 is made up of the silicon steel sheet of multiple stacked setting, two silicon steel parts 100 be arranged in parallel, form air gap 102 between two silicon steel parts 100, be provided with air gap plate 200 in this air gap 102, air gap plate 200 is adhesively fixed (not drawing the adhesive on air gap plate in figure) by adhesive and silicon steel part 100.The two sides of silicon steel part 100 are fixed with side panel 400 by adhesive 300, side panel 400 is closed air gap 102 two ends and is adhesively fixed with each silicon steel part two ends simultaneously, see Fig. 1 and 2, by side panel 400 being arranged on this specific position, just can realize closed air gap 102 two ends and ensure that side panel 400 is connected with each silicon steel sheet end winding support of composition silicon steel part 100 simultaneously, improve the steadiness of each silicon steel sheet, reach fabulous noise reduction.In practical application, air gap plate 200 length is less than silicon steel part 100 length, and side panel 400 with the adhesive surface of silicon steel part 100 form groove 500(see Fig. 2), when bonding, the existence of groove 500 can hold more adhesive, improves noise reduction further.Arranging of side panel 400 can the vibration that produces of the side (especially the two ends of air gap) of extraordinary suppression silicon steel part 100, noise when utilizing the reactor of fabrication of iron core of the present utility model to work is reduced greatly, stability and the life-span of reactor work are simultaneously greatly improved, its life at least one times.
The adhesive of the present embodiment adopts traditional adhesive (i.e. epoxy resin).
Side panel 400 in the present embodiment adopts glass plate, and this glass pane surface is smooth.
The present embodiment also discloses this manufacture craft with the reactor iron core structure of side panel, comprises the following steps:
A, processing cutting silicon steel sheet, the cut direction of each part silicon steel sheet is consistent, and the burr direction that silicon steel sheet cutting is obtained is consistent;
B, by stacked for multiple silicon steel sheet formation silicon steel part 100, utilize adhesive tape 101 to bundle preliminary fixing, the silicon steel part 100 obtained is consistent with the burr direction of each silicon steel sheet on the adhesive surface that air gap plate 200 or side panel 400 bond;
C, making air gap plate 200 and side panel 400;
D, smear adhesive to the adhesive surface of air gap plate 200, air gap plate 200 is placed in the air gap 102 of two silicon steel parts 100, silicon steel part 100 extruding is made it to be adhesively fixed with air gap plate 200;
E, smear adhesive to the adhesive surface of side panel, side panel is sticked to the side of silicon steel part, begin to take shape core structure, six faces of core structure are extruded, extruding force is consistent, make adhesive fill air gap plate both ends groove 500 and infiltrate in silicon steel part, after to be bonded dose of solidification, obtaining reactor iron core structure.
In practical application, the core structure of reactor can also include multiple silicon steel part 100 and form with multiple air gap plate 200, side panel 400 core structure formed, and see Fig. 3, concrete needs is selected according to the product demand of reactor.
Embodiment 2
The present embodiment is basic identical with embodiment 1, unlike, the side panel 400 in the present embodiment is matsurface with the adhesive surface of silicon steel part 100.
Embodiment 3
The present embodiment is basic identical with embodiment 1, unlike, the side panel 400 in the present embodiment is fibre insulation board, and fibre insulation board rough surface, has many burrs.
Embodiment 4
The present embodiment is basic identical with embodiment 1, unlike, the composition of the adhesive in the present embodiment, according to listed as parts by weight, comprising: epoxy resin 18 parts, Fructus Gleditsia extract 0.8 part, promoter 1 part.In practical application, the preparation method of Fructus Gleditsia extract is as follows: get Gleditsia officinalis fruit, pulverizes, add the clear water that quality is crushed material 5 ~ 8 times, stir after 30 minutes and heat 20 minutes, heating-up temperature is 55 DEG C ~ 70 DEG C, leave standstill and be cooled to room temperature, filter and obtain Fructus Gleditsia extract.
Preferably, after silicon steel part, air gap plate and side panel are bonded, be placed in environment baking 30 ~ 60min that temperature is 55 DEG C ~ 65 DEG C, adhesive is solidified completely.In practical application, baking temperature is unsuitable too high, avoids the activity destroying Fructus Gleditsia extract.
In practical application, for improving the curing efficiency of epoxy resin, improve the combination degree of epoxy resin and Fructus Gleditsia extract, also add promoter in adhesive, this promoter is altax P-30 and accelerant C T-152X is that 1:1.2 mixes with mass ratio simultaneously.
Comparative example 1
This comparative example is the traditional reactor iron core structure consistent size of structure (in this structural requirement and the embodiment 1), its production technology is as follows: by stacked for silicon steel sheet composition silicon steel part, leaching insulating varnish is carried out to silicon steel part, then the insulating varnish of the adhesive surface of silicon steel part is ground off, utilize epoxy resin two pieces of silicon steel parts and air gap plate (ganoid glass plate) to be adhesively fixed.
Utilize the core structure of embodiment 1 ~ 4 and comparative example 1 to make and obtain reactor, label is 1 ~ No. 5 reactor respectively, the noise of these reactors is measured, concrete method of measurement is: be placed in by reactor (internal environment noise is 35dB) in same noise testing room, identical power current and high frequency modulated ripple electric current are added to reactor, TES1350A tester is utilized to carry out noise testing to each reactor, the measuring position of each reactor requires consistent, record test data, obtains following form.
Can obtain drawing a conclusion from above table data:
The data of (1) No. 1 reactor and No. 5 reactors compare, find that core structure of the present utility model is better relative to the inhibition of traditional core structure to noise, as time goes by, the noise of No. 1 reactor just increases slowly, and the noise of No. 5 reactors starts sharply to increase.
The data of (2) No. 1 reactors and No. 2 reactors compare, and find that the adhesive surface of side panel is arranged to matsurface, are improved to the inhibitory action of noise.
The data of (3) No. 1 reactors and No. 3 reactors compare, and find that side panel adopts shaggy fibre insulation board, are improved to the inhibitory action of noise.
The data of (4) No. 1 reactors and No. 4 reactors compare, and find to use the adhesive that the utility model proposes can reduce the noise of reactor further.
Should be understood that; application of the present utility model is not limited to above-mentioned citing; for those of ordinary skills, can be improved according to the above description or convert, all these improve and convert the protection range that all should belong to the utility model claims.
Claims (4)
1. the reactor iron core structure with side panel, comprise at least two silicon steel parts, described silicon steel part is made up of the silicon steel sheet of multiple stacked setting, each silicon steel part spread configuration, air gap is formed between two adjacent silicon steel parts, air gap plate is provided with in described air gap, described air gap plate is adhesively fixed by adhesive and silicon steel part, it is characterized in that, the two sides of described silicon steel part are respectively arranged with side panel, scribble adhesive at the faying face of side panel and silicon steel part, make the two sides of silicon steel part and side panel firmly be bonded to an entirety; Described side panel is closed air gap two ends and is adhesively fixed with each silicon steel part two ends simultaneously, and described air gap plate length is less than silicon steel part length, and the adhesive surface of side panel and silicon steel part forms groove.
2. the reactor iron core structure with side panel according to claim 1, is characterized in that, the adhesive surface of described side panel and silicon steel part is matsurface.
3. the reactor iron core structure with side panel according to claim 2, is characterized in that, described side panel is fibre insulation board.
4. the reactor iron core structure with side panel according to claim 1, is characterized in that, the end face of described silicon steel sheet is provided with burr, and after each silicon steel sheet stacked formation silicon steel part, the burr direction of each silicon steel sheet end face is consistent.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520707928.3U CN205039045U (en) | 2015-09-14 | 2015-09-14 | Reactor iron core structure with side board |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520707928.3U CN205039045U (en) | 2015-09-14 | 2015-09-14 | Reactor iron core structure with side board |
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| CN205039045U true CN205039045U (en) | 2016-02-17 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105185533A (en) * | 2015-09-14 | 2015-12-23 | 广东新昇电业科技股份有限公司 | Reactor iron core structure with side panels and fabrication process of reactor iron core structure |
| CN112735779A (en) * | 2020-12-29 | 2021-04-30 | 大连理工大学 | Novel iron core reactor considering force compensation |
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2015
- 2015-09-14 CN CN201520707928.3U patent/CN205039045U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105185533A (en) * | 2015-09-14 | 2015-12-23 | 广东新昇电业科技股份有限公司 | Reactor iron core structure with side panels and fabrication process of reactor iron core structure |
| CN112735779A (en) * | 2020-12-29 | 2021-04-30 | 大连理工大学 | Novel iron core reactor considering force compensation |
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