CN201859734U - Novel low-noise dry-type iron-core electric reactor - Google Patents
Novel low-noise dry-type iron-core electric reactor Download PDFInfo
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- CN201859734U CN201859734U CN2010205561194U CN201020556119U CN201859734U CN 201859734 U CN201859734 U CN 201859734U CN 2010205561194 U CN2010205561194 U CN 2010205561194U CN 201020556119 U CN201020556119 U CN 201020556119U CN 201859734 U CN201859734 U CN 201859734U
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Abstract
The utility model relates to a novel low-noise dry-type iron-core electric reactor which is entirely compact. The novel low-noise dry-type iron-core electric reactor overcomes the defects that: the existing electric reactor has inside clearance which can easily cause the vibration and the displacement of an iron-core disc and has higher noise, and the reactance value changes, the temperature rise is improved, and the product cost is higher during running process of the existing electric reactor. The novel low-noise dry-type iron-core electric reactor comprises a plurality of groups of independent reactance units parallel to one another; each reactance unit comprises an iron-core column, an epoxy cylinder and a coil winding, wherein each epoxy cylinder is sheathed outside each iron-core column; each coil winding is arranged outside each epoxy cylinder; the clearance is remained between each coil winding and the external wall of each epoxy cylinder; the epoxy resin adhesive is poured into the epoxy cylinders; each epoxy cylinder fixes each iron-core column; and the reactance units are entirely in the compact structure. As the epoxy resin adhesive is filled in the epoxy cylinders, the air clearance is remained between each coil winding and each epoxy cylinder, the iron core discs forming the iron core columns adopt the special structure, and the reactance units are entirely in compact structure, the clearance in the reactance units is eliminated, the vibration and the displacement are reduced, and the noise is lowered.
Description
Technical field
The utility model relates to the reactive power compensator in a kind of electric power system, the novel low-noise sound reactor with T-shaped core that especially a kind of integral body is closely knit.
Background technology
Continuous development along with modern power electronics technology, non-linear electrical equipment puts into operation in electrical network in a large number, caused the harmonic pollution of electrical network more and more serious, simultaneously, there is inductive load in the electrical network in a large number, as motor, transformer and fluorescent lamp etc. all is inductive load, and these inductive loads have seriously reduced the power factor of electrical network in running.Thus, cause the power supply quality of power supply of electrical network to go from bad to worse, and reduce greatly the useful life of power consumption equipment.All are connected in all bigger harm of electric equipment of electrical network to harmonic wave to motor, transformer, milling train, arc furnace etc.; mainly be to produce the harmonic wave supplementary load loss; make the ageing of insulation of the overheated and harmonic wave overvoltage acceleration equipment of apparatus overload; harmonic pollution also can increase the loss of transmission lines such as cable; communication quality there is bigger influence; and when harmonic content is higher, can cause protective relaying device overvoltage protection, overcurrent protection misoperation.At present, most power consumers generally adopt following two kinds of methods to solve the problems referred to above: the first, in distribution system, insert passive filtration unit PPF(Passive Power Filter); The second, the installing FC grouping switching filtering compensation arrangement of holding concurrently in distribution system, iron core reactor are one of requisite elements wherein.
The winding of reactor with T-shaped core is by resin compounded insulating material moulding by casting, with the air is the compound inslation medium, with the iron core cake and the iron yoke that contain non-magnetic gap is flux circuit, iron core cake and gap, iron yoke and winding are the chief components of reactor with T-shaped core, the iron core reactor structure of band gap is owing to the magnetic permeability of iron core relative permeability partly far above resin and air combined insulation, the magnetic circuit magnetic resistance nearly all is made up of gap portion, be the length that the size of magnetic resistance depends primarily on the gap, nonmagnetic substance between discus adopts disk shape high rigidity, the epoxy glass fabric panel material of different-thickness, thickness is generally several millimeters.
Crossing screw type iron-cored cake structure or glass fiber binding-type iron-cored cake structure are adopted in traditional reactor with T-shaped core design, but because the problem of the existence of air gap and iron-cored cake structure itself makes reactor big noise occur in running, the epoxy resin bonded fiber that is used for filling air gap makes cake unshakable in one's determination vibration and offset phenomena occur at the reactor running easily, causes the reactor reactance value to change; The reactor with T-shaped core that traditional approach is produced is complex technical process not only, and product quality is difficult to guarantee, certainly will occur in the reactor long-time running process that noise is big, reactance value changes and the more high phenomenon of temperature rise.
Such as a CN2919480Y patent of Patent Office of the People's Republic of China in bulletin on July 4th, 2007, name is called the epoxy resin dry type iron core reactor, this reactor by reactance winding, iron core, folder, pull bar, compress cushion block and form, three reactance windings that are sleeved on iron core compress cushion block by folder, pull bar and 4 independent support respectively and are fixed as one side by side.There is more gap in this structure reactance winding inside, and therefore vibration and displacement take place easily, and noise is bigger.
Summary of the invention
The utility model has solved existing reactor inside and has existed the gap to cause vibration of iron core cake and displacement easily, noise is bigger, in the running reactance value change, temperature rise increase, the higher shortcoming of product cost, providing a kind of reactor inner is compact structure, no gap, noise is little, the novel low-noise sound reactor with T-shaped core that temperature rise is little.
The technical scheme that its technical problem that solves the utility model adopts is: a kind of novel low-noise sound reactor with T-shaped core, comprise many groups independently reactance unit arranged side by side mutually, reactance unit is connected and fixed with last commentaries on classics yoke and the following yoke that changes respectively by last cushion block and lower cushion block, it is characterized in that reactance unit comprises iron core column, is nested with the epoxy cylinder outside iron core column and is arranged on coil windings outside the epoxy cylinder, leave the gap between coil windings and the epoxy cylinder outer wall, be marked with epoxide-resin glue and secured core post in the epoxy cylinder, reactance unit integral body is compact structure.Iron core column is arranged in the epoxy cylinder, annotate epoxide-resin glue in the epoxy cylinder, like this, epoxide-resin glue just can be fixed with iron core column behind the hot setting, epoxide-resin glue also can penetrate in the slit of iron core cake, epoxide-resin glue can be full of the inner space of whole epoxy cylinder simultaneously, make the inner no gap of iron core column, also very close to each other between epoxy cylinder and the iron core column, the ventilation and heat of coil when the gap between coil windings and the epoxy cylinder is mainly used in the reactor operation, like this, reactance unit is formed a closely knit overall structure, and there is not the gap in inside own, reactor in use, effectively prevented the vibration and the dislocation of iron core cake on the one hand, the noise of product own is smaller on the other hand, and helps controlling the temperature rise of reactor in OK range.
As preferably, iron core column is by coaxial parallel folded mutually the forming of polylith iron core cake, leaves the gap between iron core cake and the iron core cake, is filled with epoxy resin bonded fiber in this gap.Iron core column forms by the iron core cake is overlapping, can reduce the size of iron core column integral manufacturing like this, processing and transport more convenient, fill epoxy resin bonded fiber between iron core cake and the iron core cake, epoxy resin bonded fiber hardness height is the disk shape, can remove the gap between iron core cake and the iron core cake, prevent that the existence in this gap from causing noise, help the integral manufacturing processing of core of reactor simultaneously.
As preferably, described iron core cake integral body is cylindrical, and the iron core cake comprises the polylith non-oriented silicon steel sheet, and non-oriented silicon steel sheet is parallel to each other and is filled with epoxide-resin glue between non-oriented silicon steel sheet.Centre position at the iron core cake is fixed with the colligation of impregnation epoxy glass fiber, and iron core cake overall vacuum impregnation is handled, and not have air gap between each silicon steel sheet that guarantees composition iron core cake, has eliminated the source of reactor noise.Because the non-oriented silicon steel sheet cost is lower, adopt non-oriented silicon steel sheet to carry out product design, can reduce the cost of reactor integral body.
As preferably, take-up strap has the impregnation glass fiber not have the latitude band on the circumference of each iron core cake, and glass fiber does not have in the gap that the colligation of latitude band forms and is filled with epoxide-resin glue.The non-oriented silicon steel sheet of forming the iron core cake not only adopts the impregnated glass fibre colligation to fix, also make and fill oil ring epoxy resins glue between each non-oriented silicon steel sheet by vacuum-latexed technology, guaranteeing does not have air gap between each non-oriented silicon steel sheet, also make the iron core cake become a solid integral body, from having taked to reduce the measure of noise in fact.
As preferably, the height that glass fiber does not have the colligation of latitude band is the 20%-50% of the height of iron core cake, and glass fiber does not have the centre position of latitude band colligation at the iron core cake.The position that glass fiber does not have the colligation of latitude band can change as required.
As preferably, iron core column is by overlapping the forming of several piece iron core cake, and the height of epoxy cylinder is less than the height of iron core column, and the height of the epoxide-resin glue in the epoxy cylinder is less than the height of epoxy cylinder.Height relationships between iron core column, epoxy cylinder and the epoxide-resin glue guarantees can not interfere each other, also can not interfere with upper and lower iron yoke, guarantees the overall dimensions of installing.
As preferably, upper yoke and lower yoke have clamping plate, and stretch out outside the clamping plate end of iron yoke, and the upper end of iron core column contacts with the end of upper yoke, and the lower end of iron core column contacts with the end of lower yoke.Upper yoke and lower yoke adopt clamping plate to grip, and the end of iron yoke is concordant with clamping plate, and the upper end of iron core column links to each other by adjusting epoxy resin bonded fiber with the end of upper yoke, and the lower end of iron core column links to each other by epoxy resin bonded fiber equally with the end of lower yoke.The height of epoxy cylinder can be fixed iron core column by the clamping plate of last lower yoke less than the height of iron core column, also can guarantee the uniformity of the material of filling in the core limb gap simultaneously, and then guarantee that reactance value adheres to specification.
As preferably, the internal diameter of coil windings is greater than the external diameter of epoxy cylinder, and the gap thickness of coil windings between epoxy cylinder is identical.The usefulness of ventilation and heat when the gap can be used as the coil windings operation.Cushion block, lower cushion block and iron core and upper yoke, lower yoke are fixed in the employing, thereby have guaranteed that reactor becomes a firm integral body.Last cushion block, lower cushion block all adopt the cast of top-quality rubber material to form.
As preferably, the two ends up and down of coil windings contact with lower cushion block with last cushion block respectively, and last cushion block and lower cushion block are fixed with upper yoke and lower yoke respectively by bolt.Can be convenient for changing reactance unit with bolt, its versatility is stronger.
The beneficial effects of the utility model are: the inner filling epoxy resin glue of epoxy cylinder, leave air gap between coil windings and the epoxy cylinder, the cake unshakable in one's determination of forming core limb adopts the special construction design, reactance unit is closely knit overall structure, eliminated the gap of reactance unit inside, reduce vibration and displacement, reduced noise.
Description of drawings
Fig. 1 is a kind of structural representation of the utility model;
Fig. 2 is the partial enlarged drawing at I place among the utility model Fig. 1;
Fig. 3 is the vertical view of a kind of iron core column of the utility model;
Among the figure: 1, reactance unit, 2, train wheel bridge, 3, the clamping plate channel-section steel, 4, go up cushion block, 5, epoxy cylinder, 6, epoxide-resin glue, 7, non-oriented silicon steel sheet, 8, the iron core cake, 9, coil windings, 10, the end, 11, epoxy resin bonded fiber, 12, glass fiber do not have the latitude band, 13, lower cushion block, 14, lower plate.
Embodiment
Below by specific embodiment, and in conjunction with the accompanying drawings, the technical solution of the utility model is described in further detail.
Embodiment: a kind of novel low-noise sound reactor with T-shaped core (referring to accompanying drawing 1 accompanying drawing 2), comprise three groups of mutual independently reactance unit 1 arranged side by side, reactance unit is a line and arranges, the two ends of three reactance unit are fixing by train wheel bridge 2 and lower plate 14 respectively, train wheel bridge 2 and lower plate 14 are formed by 3 clampings of two clamping plates channel-section steel, the end 10 of upper yoke and lower yoke reaches outside train wheel bridge and the lower plate, reactance unit 1 comprises iron core column, be nested with the epoxy cylinder 5 outside iron core column and be arranged on coil windings 9 outside the epoxy cylinder, leave the gap between coil windings 9 and epoxy cylinder 5 outer walls, coil windings 9 whole cylindrical pipes, the internal diameter of coil windings is greater than the external diameter of epoxy cylinder, between gap thickness equate, coil windings inside is cast with epoxide-resin glue, the two ends up and down of coil windings 9 are fixing with train wheel bridge 2 and lower plate 14 by last cushion block 4 and lower cushion block 13 respectively, last cushion block 4 and lower cushion block 13 by bolt to clamping plate channel-section steel 3, last cushion block 4 and lower cushion block 13 are rectangular structure, the external diameter of last cushion block and lower cushion block is greater than the internal diameter of coil windings and less than the external diameter of coil windings, iron core column is by 8 iron core cakes, 8 coaxial parallel folded mutually forming, leave the gap between iron core cake 8 and the iron core cake 8, be filled with epoxy resin bonded fiber 11 in this gap, iron core cake 8 is whole cylindrical, iron core cake 8 comprises polylith non-oriented silicon steel sheet 7, non-oriented silicon steel sheet 7 is parallel to each other and is filled with epoxide-resin glue (referring to accompanying drawing 3) between non-oriented silicon steel sheet 7, take-up strap has glass fiber not have latitude band 12 on the circumference of each iron core cake 8, glass fiber does not have in the gap that 12 colligations of latitude band form and is filled with epoxide-resin glue, the height that glass fiber does not have a colligation of latitude band be the iron core cake height 30%, glass fiber does not have the centre position of latitude band colligation at non-oriented silicon steel sheet, the height of epoxy cylinder 5 is less than the height of iron core column, be filled with epoxide-resin glue 6 in the epoxy cylinder, the height of the epoxide-resin glue in the epoxy cylinder is less than the height of epoxy cylinder, the upper end of iron core column contacts with the end of upper yoke, the lower end of iron core column contacts with the end of lower yoke, and reactance unit integral body is filled the back by epoxide-resin glue and formed closely knit overall structure.
Reactance unit forms the structure that integral body is closely knit, has reduced the vibration and the displacement that produce in its course of work, has also reduced noise, does not have latitude band colligation non-oriented silicon steel sheet with glass fiber and can also simplify production process, reduces product cost.
Above-described embodiment is a kind of preferred version of the present utility model, is not the utility model is done any pro forma restriction, also has other variant and remodeling under the prerequisite that does not exceed the technical scheme that claim puts down in writing.
Claims (9)
1. novel low-noise sound reactor with T-shaped core, comprise many groups independently reactance unit arranged side by side mutually, reactance unit is connected and fixed with last commentaries on classics yoke and the following yoke that changes respectively by last cushion block and lower cushion block, it is characterized in that reactance unit comprises iron core column, is nested with the epoxy cylinder outside iron core column and is arranged on coil windings outside the epoxy cylinder, leave the gap between coil windings and the epoxy cylinder outer wall, be marked with epoxide-resin glue and secured core post in the epoxy cylinder, reactance unit integral body is compact structure.
2. novel low-noise sound reactor with T-shaped core according to claim 1 is characterized in that iron core column is by coaxial parallel folded mutually the forming of polylith iron core cake, leaves the gap between iron core cake and the iron core cake, is filled with epoxy resin bonded fiber in this gap.
3. novel low-noise sound reactor with T-shaped core according to claim 2, it is characterized in that described iron core cake integral body is cylindrical, the iron core cake comprises the polylith non-oriented silicon steel sheet, and non-oriented silicon steel sheet is parallel to each other and is filled with epoxide-resin glue between non-oriented silicon steel sheet.
4. according to claim 2 or 3 described novel low-noise sound reactor with T-shaped core, it is characterized in that take-up strap has the impregnation glass fiber not have the latitude band on the circumference of each iron core cake, glass fiber does not have in the gap that the colligation of latitude band forms and is filled with epoxide-resin glue.
5. novel low-noise sound reactor with T-shaped core according to claim 4 is characterized in that the height that glass fiber does not have a colligation of latitude band is the 20%-50% of the height of iron core cake, and glass fiber does not have the centre position of latitude band colligation at the iron core cake.
6. according to claim 1 or 2 or 3 described novel low-noise sound reactor with T-shaped core, it is characterized in that iron core column is by overlapping the forming of several piece iron core cake, the height of epoxy cylinder is less than the height of iron core column, and the height of the epoxide-resin glue in the epoxy cylinder is less than the height of epoxy cylinder.
7. novel low-noise sound reactor with T-shaped core according to claim 6, it is characterized in that upper yoke and lower yoke have clamping plate, stretch out outside the clamping plate end of iron yoke, and the upper end of iron core column contacts with the end of upper yoke, and the lower end of iron core column contacts with the end of lower yoke.
8. according to claim 1 or 2 or 3 described novel low-noise sound reactor with T-shaped core, it is characterized in that the external diameter of the internal diameter of coil windings greater than epoxy cylinder, the gap thickness of coil windings between epoxy cylinder is identical.
9. novel low-noise sound reactor with T-shaped core according to claim 8 is characterized in that the two ends up and down of coil windings contact with lower cushion block with last cushion block respectively, and last cushion block and lower cushion block are fixed with upper yoke and lower yoke respectively by bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205561194U CN201859734U (en) | 2010-10-12 | 2010-10-12 | Novel low-noise dry-type iron-core electric reactor |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010205561194U CN201859734U (en) | 2010-10-12 | 2010-10-12 | Novel low-noise dry-type iron-core electric reactor |
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| CN201859734U true CN201859734U (en) | 2011-06-08 |
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| CN2010205561194U Expired - Fee Related CN201859734U (en) | 2010-10-12 | 2010-10-12 | Novel low-noise dry-type iron-core electric reactor |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103208348A (en) * | 2013-03-15 | 2013-07-17 | 武汉振源电力设备有限公司 | Oil immersed type large mobile serially connected iron core reactor |
| CN104167674A (en) * | 2013-09-22 | 2014-11-26 | 国家电网公司 | Coil-fixing vibration damping device for series iron core reactor of substation |
| CN104377007A (en) * | 2014-12-02 | 2015-02-25 | 中国计量学院 | Novel technology low-noise dry iron core reactor |
| CN105280334A (en) * | 2014-06-25 | 2016-01-27 | 佛山市国电电器有限公司 | Structure of electric reactor |
| CN106971827A (en) * | 2017-05-30 | 2017-07-21 | 朱盖想 | A kind of reactor iron core |
| CN109148099A (en) * | 2018-09-04 | 2019-01-04 | 天津工业大学 | It is a kind of to reduce the device and method for splitting core type reactor and vibrating from ontology |
| CN110289152A (en) * | 2019-07-31 | 2019-09-27 | 山东哈大电气有限公司 | A kind of iron-core reactor structure and its processing method |
| CN110364333A (en) * | 2019-08-19 | 2019-10-22 | 江苏华鹏变压器有限公司 | Iron core and transformer |
| CN112067880A (en) * | 2020-08-20 | 2020-12-11 | 广西柳州特种变压器有限责任公司 | Grouping matching method of iron cakes for self-saturable reactor iron cores of silicon rectifying devices |
| CN112071592A (en) * | 2020-08-31 | 2020-12-11 | 上海西门子医疗器械有限公司 | Reactor and method of manufacturing reactor |
| CN112735779A (en) * | 2020-12-29 | 2021-04-30 | 大连理工大学 | Novel iron core reactor considering force compensation |
-
2010
- 2010-10-12 CN CN2010205561194U patent/CN201859734U/en not_active Expired - Fee Related
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103208348A (en) * | 2013-03-15 | 2013-07-17 | 武汉振源电力设备有限公司 | Oil immersed type large mobile serially connected iron core reactor |
| CN103208348B (en) * | 2013-03-15 | 2015-09-02 | 武汉振源电气股份有限公司 | The removable large-scale series connection iron core reactor of oil immersed type |
| CN104167674A (en) * | 2013-09-22 | 2014-11-26 | 国家电网公司 | Coil-fixing vibration damping device for series iron core reactor of substation |
| CN105280334A (en) * | 2014-06-25 | 2016-01-27 | 佛山市国电电器有限公司 | Structure of electric reactor |
| CN104377007A (en) * | 2014-12-02 | 2015-02-25 | 中国计量学院 | Novel technology low-noise dry iron core reactor |
| CN106971827A (en) * | 2017-05-30 | 2017-07-21 | 朱盖想 | A kind of reactor iron core |
| CN109148099A (en) * | 2018-09-04 | 2019-01-04 | 天津工业大学 | It is a kind of to reduce the device and method for splitting core type reactor and vibrating from ontology |
| CN109148099B (en) * | 2018-09-04 | 2023-09-08 | 天津工业大学 | Device and method for reducing vibration of split core type reactor from body |
| CN110289152A (en) * | 2019-07-31 | 2019-09-27 | 山东哈大电气有限公司 | A kind of iron-core reactor structure and its processing method |
| CN110364333A (en) * | 2019-08-19 | 2019-10-22 | 江苏华鹏变压器有限公司 | Iron core and transformer |
| CN112067880A (en) * | 2020-08-20 | 2020-12-11 | 广西柳州特种变压器有限责任公司 | Grouping matching method of iron cakes for self-saturable reactor iron cores of silicon rectifying devices |
| CN112067880B (en) * | 2020-08-20 | 2023-04-07 | 广西柳州特种变压器有限责任公司 | Grouping matching method of iron cakes for self-saturable reactor iron cores of silicon rectifying devices |
| CN112071592A (en) * | 2020-08-31 | 2020-12-11 | 上海西门子医疗器械有限公司 | Reactor and method of manufacturing reactor |
| 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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Granted publication date: 20110608 Termination date: 20131012 |