CN204884800U - Reactor of low noise - Google Patents
Reactor of low noise Download PDFInfo
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- CN204884800U CN204884800U CN201520434756.7U CN201520434756U CN204884800U CN 204884800 U CN204884800 U CN 204884800U CN 201520434756 U CN201520434756 U CN 201520434756U CN 204884800 U CN204884800 U CN 204884800U
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Abstract
The utility model relates to an electric system passive component technical field especially relates to a reactor of low noise. It includes first magnetic core post, second magnetic core post, last folder, lower folder, winding and three skeleton, combination department in every skeleton of first magnetic core post and second magnetic core post forms first air gap portion, there is the interval and forms interstice portion between first magnetic core post or second magnetic core post and the skeleton, first air gap portion sets up porous air gap board and first embedment material layer, porous air gap board through first embedment material layer respectively with first magnetic core post and second magnetic core support connnection, interstice portion sets up second embedment material layer, adopt the reactor of this structure, it can be under long -time operating mode environment, effectively restraines the noise of reactor. And, its simple structure, low in production cost is honest and clean. Its fine satisfy the low noise demand in, can satisfy current demand and large -scale production.
Description
Technical field
The utility model relates to electrical system passive device technical field, relates to a kind of reactor of low noise in particular.
Background technology
In general in field of track traffic as low-floor railcar super capacitor charging station, electric automobile field is as the reactor in hybrid vehicle.Because its big current and high-frequency thereof can produce very large noise.The people's ear sensitive range being mainly distributed in 50Hz-20kHz of noise, therefore needs the noise suppressing this reactor.
A stem stem or iron yoke is formed by strip silicon steel sheet closed assembly at the usual of this type of reactor existing, and then directly or through air gap splicing or the core construction connecting into needs, because leakage flux causes vibration between the silicon steel sheet of closed assembly and between the silicon steel sheet core body of air gap, silicon steel sheet magnetic hysteresis is flexible causes core vibration, thus produces noise.When vibrating excited frequency or acoustic excitation frequency equals the natural frequency of the cavity that gap is formed between iron core and winding, reactor will produce cavity resonance, make reactor Noise enhancement.Therefore final result noise problem will be started with from these two aspects.
At present on the market for the solution of reactor noise, substantially only considered the noise at iron core air gap place, set about from the bonding agent used between air gap, by using high Shore hardness, the bonding agent of high-adhesive-strength solves the noise problem of reactor.But manufacture in use procedure in reality, there is following problem, can inevitably there is silicon steel sheet antirust oil in bonding agent bonding plane, dust, residual impregnating varnish, make adhesive strength not or adhesive failure, under operating mode, after certain hour, bonded adhesives is bonding in addition can reduce, there is partial exfoliation, the phenomenon that loosely organized noise increases.But in field of track traffic as low-floor railcar super capacitor charging station, electric automobile field as the reactor used in hybrid vehicle not only noise comparatively place use much bigger, and to its reliability, the requirement of durability also wants large in more general field of employment, this kind of solution party is by meeting field of track traffic as low-floor railcar super capacitor charging station, and electric automobile field is as the demand of the reactor used in hybrid vehicle.
This problem needs change badly.
Utility model content
The utility model is in order to overcome the deficiencies in the prior art, and its object aims to provide a kind of reactor of low noise, and it under long work condition environment, can effectively suppress the noise of reactor.And its structure is simple, low production cost.It can meet current demand and large-scale production while well meeting low noise demand.
In order to solve above-mentioned technical problem, the basic technical scheme that the utility model proposes is:
A reactor for low noise, in particular, comprises the first core post, the second core post, upper clamping piece, lower clamping piece, winding and three skeletons; Described upper clamping piece clamps the first core post, and lower clamping piece clamps the second core post; Described first core post is inserted from each described skeleton one end, and the second core post is inserted from each described skeleton other end, and the first core post and the second core post form the first air gap portion in each intraskeletal junction; First core post or have interval between the second core post and skeleton and form interstice portion; Described winding is distributed in the first core post and the second core post respectively; Described first air gap portion is communicated with interstice portion, and the first air gap portion arranges porous air gap plate and the first Embedding Material layer, and described porous air gap plate is connected with the first core post and the second core post respectively by the first Embedding Material layer; Described interstice portion arranges the second Embedding Material layer; The Shore hardness of described first Embedding Material layer and the second Embedding Material layer is greater than ShoreA80, and thermal conductivity is greater than 0.4W/mK, and adhesive strength is greater than 10Mpa.
Further, described porous air gap plate adopts aluminium oxide ceramics porous air gap plate.
Further, described first core post and the second core post all adopt E-type magnetic stem stem.
Further, described first core post or the second core post are formed by silicon steel sheet closed assembly.
Further, the thickness of described silicon steel sheet is 0.27-0.35mm.
Further, described first Embedding Material layer or the second Embedding Material layer are epoxy resin layer or organosilicon glue-line or layer of polyurethane.
The beneficial effects of the utility model are:
1, by arranging porous air gap plate and the first Embedding Material layer in the first air gap portion, second Embedding Material layer is set in interstice portion, tight tightly close by the fill gaps between core post and winding coil of first Embedding Material layer and the second Embedding Material layer, and the first Embedding Material layer after filling and the second Embedding Material layer Shore hardness are greater than ShoreA80, thermal conductivity is greater than 0.4W/mK, adhesive strength is greater than 10Mpa, and therefore, reactor of the present utility model has excellent low noise characteristic.
2, the first air gap portion arranges porous air gap plate, and during toward the first air gap portion Embedding Material, porous air gap plate can play the effect of rest, is convenient to Embedding Material and enters air gap inside.And porous air gap plate also can increase the contact area of Embedding Material and the first core post and the second core post, thus the space of filling between core post and winding coil is tighter.
Accompanying drawing explanation
Fig. 1 is the reactor schematic diagram of the utility model specific embodiment.
Fig. 2 is the porous air gap plate schematic diagram of the utility model specific embodiment.
Fig. 3 is that Fig. 1 is along BB " the reactor schematic diagram analysed and observe of direction.
Enlarged drawing when Fig. 4 is the reactor Embedding Material of the utility model specific embodiment.
Embodiment
Be described further below with reference to accompanying drawing 1 to accompanying drawing 4 pairs of the utility model, but protection range of the present utility model should do not limited with this.For convenience of description and understand the technical solution of the utility model, below illustrate that the orientation that the noun of locality used all is shown with accompanying drawing is as the criterion.
As shown in Figure 1, the reactor of the utility model specific embodiment comprises the first core post 10, second core post 11, upper clamping piece 12, lower clamping piece 13, winding 14 and three skeletons 15.Described upper clamping piece 12 clamps the first core post 10, and lower clamping piece 13 clamps the second core post 11.Described first core post 10 is inserted from each described skeleton 15 one end, and the second core post 11 is inserted from each described skeleton 15 other end, and the first core post 10 and the junction of the second core post 11 in each skeleton 15 form the first air gap portion 100.First core post 10 or have interval between the second core post 11 and skeleton 15 and form interstice portion 101; Described winding 14 is distributed in the first core post 10 and the second core post 11 respectively; Described first air gap portion 100 is communicated with interstice portion 101, and the first air gap portion 100 arranges porous air gap plate 50 and the first Embedding Material layer 51, and described porous air gap plate 50 is connected with the first core post 10 and the second core post 11 respectively by the first Embedding Material layer 51; Described interstice portion 101 arranges the second Embedding Material layer 52; The Shore hardness of described first Embedding Material layer 51 and the second Embedding Material layer 52 is greater than ShoreA80, and thermal conductivity is greater than 0.4W/mK, and adhesive strength is greater than 10Mpa.As shown in Figure 2, wherein, described porous air gap plate 50 adopts aluminium oxide ceramics porous air gap plate, and aluminium oxide ceramics has good conductibility, mechanical strength and heat-resisting quantity.Therefore, porous air gap plate 50, under reactor is in the environment of operating mode, can be good at opposing from the temperature of magnetic core and the disturbance of whole device.Described first core post 10 and the second core post 11 all adopt E-type magnetic stem stem, and the first core post or the second core post are formed by silicon steel sheet closed assembly, and wherein, the thickness of described silicon steel sheet is 0.27-0.35mm.The thickness of silicon steel sheet can set according to the working condition of reactor.Described first Embedding Material layer 51 or the second Embedding Material layer 52 are epoxy resin layer or organosilicon glue-line or layer of polyurethane.
As shown in Figure 3 and Figure 4, the forming process of the first Embedding Material layer 51 and the second Embedding Material layer 52 is as described below:
1, the assembling of reactor is conventionally completed;
2, use silicagel pad seal between one end 1000 of skeleton 15, and by the other end 1001 upward, according to dosing technology Embedding Material poured into and fill up the first air gap portion 100 and interstice portion 101, because which form the first Embedding Material layer 51 and the second Embedding Material layer 52.During toward the first air gap portion 100 Embedding Material, porous air gap plate 50 can play the effect of rest, and therefore porous air gap plate 50 can be convenient to Embedding Material and enter air gap inside.And porous air gap plate 50 adds the contact area of Embedding Material and the first core post 10 and the second core post 11, thus the space of filling between core post and winding coil is tighter.
Note in operating process gap to be filled up, then by overall for reactor baking and curing, after potting material cure, the performance of the first Embedding Material layer 51 and the second Embedding Material layer 52 meets Shore hardness > ShoreA80, thermal conductivity > 0.4W/mK, adhesive strength > 10Mpa.Therefore, the reactor of the utility model specific embodiment has excellent low noise characteristic.
The announcement of book and instruction according to the above description, the utility model those skilled in the art can also change above-mentioned execution mode and revise.Therefore, the utility model is not limited to embodiment disclosed and described above, also should fall in the protection range of claim of the present utility model modifications and changes more of the present utility model.In addition, although employ some specific terms in this specification, these terms just for convenience of description, do not form any restriction to the utility model.
Claims (6)
1. a reactor for low noise, is characterized in that: comprise the first core post, the second core post, upper clamping piece, lower clamping piece, winding and three skeletons; Described upper clamping piece clamps the first core post, and lower clamping piece clamps the second core post; Described first core post is inserted from each described skeleton one end, and the second core post is inserted from each described skeleton other end, and the first core post and the second core post form the first air gap portion in each intraskeletal junction; First core post or have interval between the second core post and skeleton and form interstice portion; Described winding is distributed in the first core post and the second core post respectively; Described first air gap portion is communicated with interstice portion, and the first air gap portion arranges porous air gap plate and the first Embedding Material layer, and described porous air gap plate is connected with the first core post and the second core post respectively by the first Embedding Material layer; Described interstice portion arranges the second Embedding Material layer; The Shore hardness of described first Embedding Material layer and the second Embedding Material layer is greater than ShoreA80, and thermal conductivity is greater than 0.4W/mK, and adhesive strength is greater than 10Mpa.
2. the reactor of a kind of low noise according to claim 1, is characterized in that: described porous air gap plate adopts aluminium oxide ceramics porous air gap plate.
3. the reactor of a kind of low noise according to claim 1, is characterized in that: described first core post and the second core post all adopt E-type magnetic stem stem.
4. the reactor of a kind of low noise according to claim 3, is characterized in that: described first core post or the second core post are formed by silicon steel sheet closed assembly.
5. the reactor of a kind of low noise according to claim 4, is characterized in that: the thickness of described silicon steel sheet is 0.27-0.35mm.
6. the reactor of a kind of low noise according to claim 1, is characterized in that: described first Embedding Material layer or the second Embedding Material layer are epoxy resin layer or organosilicon glue-line or layer of polyurethane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520434756.7U CN204884800U (en) | 2015-06-23 | 2015-06-23 | Reactor of low noise |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520434756.7U CN204884800U (en) | 2015-06-23 | 2015-06-23 | Reactor of low noise |
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| Publication Number | Publication Date |
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| CN204884800U true CN204884800U (en) | 2015-12-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520434756.7U Expired - Fee Related CN204884800U (en) | 2015-06-23 | 2015-06-23 | Reactor of low noise |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106169364A (en) * | 2016-07-28 | 2016-11-30 | 郑洪华 | A kind of three winding single-circuit transformer and manufacture method thereof |
| CN106448998A (en) * | 2016-11-11 | 2017-02-22 | 北方民族大学 | Annular electric reactor and device |
| CN108962547A (en) * | 2017-05-22 | 2018-12-07 | 杭州能坊电气有限公司 | A kind of reactor and application method of the two-layer equation based on inductance capacitance technology |
| CN110060851A (en) * | 2019-04-17 | 2019-07-26 | 深圳市斯比特电子有限公司 | A kind of integrally formed coil inductance |
| CN111462991A (en) * | 2020-04-17 | 2020-07-28 | 株洲市希玛特变电工有限公司 | Reactor based on column iron silicon steel sheet slotting process |
| CN112017854A (en) * | 2020-09-22 | 2020-12-01 | 广州视源电子科技股份有限公司 | Inductance device and manufacturing method thereof |
-
2015
- 2015-06-23 CN CN201520434756.7U patent/CN204884800U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106169364A (en) * | 2016-07-28 | 2016-11-30 | 郑洪华 | A kind of three winding single-circuit transformer and manufacture method thereof |
| CN106448998A (en) * | 2016-11-11 | 2017-02-22 | 北方民族大学 | Annular electric reactor and device |
| CN108962547A (en) * | 2017-05-22 | 2018-12-07 | 杭州能坊电气有限公司 | A kind of reactor and application method of the two-layer equation based on inductance capacitance technology |
| CN110060851A (en) * | 2019-04-17 | 2019-07-26 | 深圳市斯比特电子有限公司 | A kind of integrally formed coil inductance |
| CN111462991A (en) * | 2020-04-17 | 2020-07-28 | 株洲市希玛特变电工有限公司 | Reactor based on column iron silicon steel sheet slotting process |
| CN112017854A (en) * | 2020-09-22 | 2020-12-01 | 广州视源电子科技股份有限公司 | Inductance device and manufacturing method thereof |
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Addressee: Patent director of Shenzhen baoyinglong Motor Manufacturing Co., Ltd Document name: payment instructions |
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| CF01 | Termination of patent right due to non-payment of annual fee |
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| CF01 | Termination of patent right due to non-payment of annual fee |