CN106710797A - Novel high-frequency denoising apparatus for reactors and transformers - Google Patents

Novel high-frequency denoising apparatus for reactors and transformers Download PDF

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Publication number
CN106710797A
CN106710797A CN201611245782.0A CN201611245782A CN106710797A CN 106710797 A CN106710797 A CN 106710797A CN 201611245782 A CN201611245782 A CN 201611245782A CN 106710797 A CN106710797 A CN 106710797A
Authority
CN
China
Prior art keywords
shell
cover plate
inner casing
seal cover
magnetic conduction
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201611245782.0A
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Chinese (zh)
Inventor
李文奇
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ANHUI HUAZHENG ELECTRIC Co Ltd
Original Assignee
ANHUI HUAZHENG ELECTRIC Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by ANHUI HUAZHENG ELECTRIC Co Ltd filed Critical ANHUI HUAZHENG ELECTRIC Co Ltd
Priority to CN201611245782.0A priority Critical patent/CN106710797A/en
Publication of CN106710797A publication Critical patent/CN106710797A/en
Pending legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/02Casings
    • H01F27/025Constructional details relating to cooling
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/02Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
    • F16F15/04Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/06Mounting, supporting or suspending transformers, reactors or choke coils not being of the signal type
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/08Cooling; Ventilating
    • H01F27/22Cooling by heat conduction through solid or powdered fillings
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/33Arrangements for noise damping

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Regulation Of General Use Transformers (AREA)

Abstract

The invention provides a novel high-frequency denoising apparatus for reactors and transformers and relates to the technical field of high-frequency denoising. The novel high-frequency denoising apparatus for reactors and transformers comprises a body provided with a closed non-magnetically-permeable shell outside; the closed non-magnetically-permeable shell includes an inner shell and an outer shell; the top of the inner shell is provided with an inner seal cover plate, and the sidewall and bottom of the inner shell and the inner seal cover plate at the top are evenly provided with fixing barrels; a damping device and a fastening bolt are mounted in each fixing barrel; each damping device includes a damping plate, an elastic part and a fixing block arranged in sequence; the top of the outer shell is provided with an outer seal cover plate; denoising material fills between the inner shell and the outer shell, and both the inner seal cover plate and the outer seal cover plate are provided with wire outgoing holes; both a connection structure between the inner seal cover plate and the inner shell and a connection structure between the outer seal cover plate and the outer shell are of stepped seal structure; the bottom of the closed non-magnetically-permeable shell is provided with a heat transfer rod; noise pollution under high frequency in reactors and transformers can be effectively reduced by the apparatus, and damping and cooling are achieved.

Description

A kind of Novel reactor, transformer medium-high frequency denoising device
Technical field
The present invention relates to medium-high frequency noise reduction technology field, and in particular to a kind of Novel reactor, transformer medium-high frequency noise reduction Device.
Background technology
Reactor, transformer are a kind of common power equipments, operationally, are often produced because of the vibration of iron core and coil Than larger noise.Noise produced by transformer not only results in environmental pollution, interference and the life of influence people, work and Study etc.;But also the healthy of the mankind can be endangered, for example make one impaired hearing, headache, dreaminess, failure of memory, influence Children's intelligence development etc..In consideration of it, should take measures effectively to reduce the noise produced by transformer.In the prior art The main noise that iron core generation is reduced by reducing iron core magnetic flux density or the propagation by using cover body stop sound, The noise reduction that these modes can be played while increased production cost is also relatively limited.
If China Patent No. is CN201510307431.7, the day for announcing is disclosed in the patent of invention of on 08 19th, 2015 A kind of noise reducing apparatus for transformer, including cover body, acoustic damping materials, acoustic damping materials be arranged on cover body outside wall surface and/or On internal face;Transformer, cover body is located at the outside of transformer.The invention by cover body is located at transformer outside and Acoustic damping materials are provided with cover body, using the sound absorption of acoustic damping materials, noise are accommodated in cover body to avoid noise transmission, one Determine to be improve in degree the work quietness of transformer, but the sealing of the invention is poor, its noise reduction limitation, especially in middle height Under frequency operating mode, the invention implementation result is poor.
The content of the invention
(1) technical problem for solving
In view of the shortcomings of the prior art, the invention provides a kind of Novel reactor, transformer medium-high frequency denoising device, lead to Cross reactor or it is manometric it is outside closing not magnetic conduction shell is set, its principle of noise reduction be from sound source damping, from sound Inhaled in communication process and made an uproar, further by closing the propagation of the not housing block noise of magnetic conduction shell, effectively reduced reactor, become The noise pollution of depressor, while internal structure design of the invention is conducive to the heat in reactor and the transformer course of work Evacuate and derive, the effect to equipment cooling is also served to a certain extent.
(2) technical scheme
To realize object above, the present invention is achieved by the following technical programs:
A kind of Novel reactor, transformer medium-high frequency denoising device, including device body, the outside of described device body is provided with envelope Close not magnetic conduction shell;Magnetic conduction shell does not include inner casing and shell for described closing;Described inner casing top is provided with interior sealing cover plate, Fixed cylinder is evenly arranged with the described interior sealing cover plate of the side wall, bottom and top of described inner casing;Described fixed cylinder Damping device and fastening bolt are inside installed, described damping device includes vibration damper plate, elastic component and fixed block successively, described Fastening bolt be connected with described fixed block, described vibration damper plate is connected with described device body;Described cover top portion is set There is external seal cover plate;It is filled with acoustic damping materials between described inner casing and described shell, described interior sealing cover plate and described External seal cover plate on be provided with wire hole;It is attachment structure between described interior sealing cover plate and described inner casing, described External seal cover plate and described shell between attachment structure be stairstepping sealing structure;Described closing not magnetic conduction shell Bottom is provided with heat conductive rod.
Further, sound deadening coating is scribbled on described inner casing and described interior sealing cover plate inwall.
Further, sealing is strengthened using fluid sealant at described stairstepping sealing structure and described wire hole.
Further, the surface that described vibration damper plate is connected with described device body is provided with rubber shock-absorbing device, described Another surface of vibration damper plate be connected with described elastic component.
Further, length of the length of described fixed block more than described fixed cylinder.
Further, thickness of shell of the length of described fastening bolt more than described inner casing.
Further, described heat conductive rod length is more than the described thickness for closing not magnetic conduction shell, its lower surface and institute The bottom outer surface of the shell stated is in one plane.
(3) beneficial effect
The invention provides a kind of Novel reactor, transformer medium-high frequency denoising device, compared to prior art, with Lower beneficial effect:
(1) magnetic conduction shell can not play very good cut-off effect to sonic propagation of making an uproar for the closing that the present invention is used, while energy Enough resistance external electromagnetic factor influences the normal work of the power equipments such as reactor or transformer.
(2) present invention, can largely by propagation by filling acoustic damping materials between inner casing and shell Noise absorbent, effectively reduces sonic propagation of making an uproar.
(3) inside/outside seal cover board of the invention is connected by stairstepping sealing structure with housing, is ensureing its sealing While convenient assembly problem of the present apparatus on reactor or transformer, for operating personnel provide enough assembling skies Between.
(4) present invention, can not only the effectively damping at sound source by setting fixed cylinder and damping device on inner casing Noise reduction, additionally it is possible to certain space is supported between device body and inner casing for cross-ventilation, then will be closed not by heat conductive rod Heat in magnetic conduction shell takes outside to, and the normal work to reactor or transformer serves certain protective effect.
(5) present invention also leaves corresponding wire hole on inside/outside seal cover board, to equipment such as reactor or transformers Facilitate its wiring while noise reduction and coordinate other electrical equipments to use.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing The accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are only this Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is cross-sectional view of the invention;
Fig. 2 is the partial schematic diagram of stairstepping sealing structure of the invention;
Fig. 3 is the structural representation of damping device of the invention;
Label in figure is represented respectively:1- device bodies;2- closes not magnetic conduction shell;3- inner casings;4- shells;5- noise reductions;6- is fixed Cylinder;7- damping devices;7a- vibration damper plates;7b- elastic components;7c- fixed blocks;8- fastening bolts;9- wire holes;10- external seal lids Plate;11- interior sealing cover plates;12- stairstepping sealing structures;13- heat conductive rods.
Specific embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is A part of embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art The every other embodiment obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
Embodiment:
A kind of Novel reactor of the present embodiment, transformer medium-high frequency denoising device, including device body 1, the outside of device body 1 sets It is equipped with closing not magnetic conduction shell 2;Magnetic conduction shell 2 does not include inner casing 3 and shell 4 for closing;The top of inner casing 3 is provided with interior sealing cover plate 11, it is evenly arranged with fixed cylinder 6 on the interior sealing cover plate 11 of the side wall, bottom and top of inner casing 3;It is provided with fixed cylinder 6 and is subtracted Shake device 7 and fastening bolt 8, damping device 7 include vibration damper plate 7a, elastic component 7b and fixed block 7c successively, fastening bolt 8 with Fixed block 7c is connected, and vibration damper plate 7a is connected with device body 1;The top of shell 4 is provided with external seal cover plate 10;Between inner casing 3 and shell 4 Filled with acoustic damping materials 5, wire hole 9 is provided with interior sealing cover plate 11 and external seal cover plate 10;Interior sealing cover plate 11 and interior Attachment structure between shell 3, the attachment structure between external seal cover plate 10 and shell 4 are stairstepping sealing structure 12;Closing The bottom of magnetic conduction shell 2 is not provided with heat conductive rod 13;Sound deadening coating is scribbled on inner casing 3 and the inwall of interior sealing cover plate 11;Stairstepping Strengthen sealing using fluid sealant at sealing structure 12 and wire hole 9;The surface that vibration damper plate 7a is connected with device body 1 is provided with rubber Beam, another surface of vibration damper plate 7a is connected with elastic component 7b;Length of the length of fixed block 7c more than fixed cylinder 6;Fastening Thickness of shell of the length of bolt 8 more than inner casing 3;The length of heat conductive rod 13 more than closing not magnetic conduction shell 2 thickness, its lower surface with The bottom outer surface of shell 4 is in one plane.
During installation, damping device 7 is arranged in fixed cylinder 6, inner casing 3 is arranged on outside reactor or transformer, Damping device 7 is fitted with reactor or transformer, screw fastening bolt 8, draw the external connection of reactor or transformer And the gap at wire hole 9 is sealed, and cover interior sealing cover plate 11 and seal, heat conductive rod 13 is installed, and by the seam of installation place Gap sealant sealing, then acoustic damping materials 5 are filled between inner casing 3 and shell 4, cover external seal cover plate 10 and use fluid sealant Further sealing.
It should be noted that herein, such as first and second or the like relational terms are used merely to a reality Body or operation make a distinction with another entity or operation, and not necessarily require or imply these entities or deposited between operating In any this actual relation or order.And, term " including ", "comprising" or its any other variant be intended to Nonexcludability is included, so that process, method, article or equipment including a series of key elements not only will including those Element, but also other key elements including being not expressly set out, or also include being this process, method, article or equipment Intrinsic key element.In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that Also there is other identical element in process, method, article or equipment including the key element.
The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations;Although with reference to the foregoing embodiments The present invention has been described in detail, it will be understood by those within the art that:It still can be to foregoing each implementation Technical scheme described in example is modified, or carries out equivalent to which part technical characteristic;And these modification or Replace, do not make the spirit and scope of the essence disengaging various embodiments of the present invention technical scheme of appropriate technical solution.

Claims (7)

1. a kind of Novel reactor, transformer medium-high frequency denoising device, including device body, it is characterised in that described device body it is outer Portion is provided with closing not magnetic conduction shell;Magnetic conduction shell does not include inner casing and shell for described closing;Described inner casing top is provided with Interior sealing cover plate, fixed cylinder is evenly arranged with the side wall of described inner casing, bottom and described interior sealing cover plate;Described consolidates Damping device and fastening bolt are installed, described damping device includes vibration damper plate, elastic component and fixed block successively in safety barrel, Described fastening bolt is connected with described fixed block, and described vibration damper plate is connected with described device body;Described cover top portion It is provided with external seal cover plate;Be filled with acoustic damping materials between described inner casing and described shell, described interior sealing cover plate and Wire hole is provided with described external seal cover plate;Attachment structure between described interior sealing cover plate and described inner casing, Attachment structure between described external seal cover plate and described shell is stairstepping sealing structure;Described closing not magnetic conduction The bottom of shell is provided with heat conductive rod.
2. it is as claimed in claim 1, it is characterised in that to scribble suction on described inner casing and described interior sealing cover plate inwall Sound coating.
3. it is as claimed in claim 1, it is characterised in that to be used at described stairstepping sealing structure and described wire hole Fluid sealant strengthens sealing.
4. it is as claimed in claim 1, it is characterised in that the surface that described vibration damper plate is connected with described device body is provided with rubber Glue beam, another surface of described vibration damper plate is connected with described elastic component.
5. it is as claimed in claim 1, it is characterised in that length of the length of described fixed block more than described fixed cylinder.
6. it is as claimed in claim 1, it is characterised in that the length of described fastening bolt is thick more than the housing of described inner casing Degree.
7. it is as claimed in claim 1, it is characterised in that described heat conductive rod length is more than the described thickness for closing not magnetic conduction shell Degree, the bottom outer surface of its lower surface and described shell is in one plane.
CN201611245782.0A 2016-12-29 2016-12-29 Novel high-frequency denoising apparatus for reactors and transformers Pending CN106710797A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201611245782.0A CN106710797A (en) 2016-12-29 2016-12-29 Novel high-frequency denoising apparatus for reactors and transformers

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Application Number Priority Date Filing Date Title
CN201611245782.0A CN106710797A (en) 2016-12-29 2016-12-29 Novel high-frequency denoising apparatus for reactors and transformers

Publications (1)

Publication Number Publication Date
CN106710797A true CN106710797A (en) 2017-05-24

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108389683A (en) * 2017-12-26 2018-08-10 铜陵日科电子有限责任公司 A kind of sound-absorbing transformer case
CN110173409A (en) * 2019-06-04 2019-08-27 合肥尚康电子科技有限公司 A kind of denoising device for oxygenerator

Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB648697A (en) * 1939-03-11 1951-01-10 Establissements Merlin & Gerin Improvements in cooling arrangements for electrical transformers
JPH05175053A (en) * 1991-12-25 1993-07-13 Hitachi Ltd Dry-type transformer
CN1123950A (en) * 1994-11-30 1996-06-05 雷光民 Heat pipe radiator for transformer
CN202444369U (en) * 2012-02-17 2012-09-19 郭达 Motor silencer
CN203966735U (en) * 2014-08-05 2014-11-26 红旗集团温州变压器有限公司 A kind of novel transformer
CN204167043U (en) * 2014-10-31 2015-02-18 国家电网公司 A kind of transformer
CN204204556U (en) * 2014-09-25 2015-03-11 山东亿九电气发展有限公司 A kind of low noise audio amplifier becomes housing
CN204516551U (en) * 2015-04-22 2015-07-29 华夏恒业变压器有限公司 A kind of half iron core dry-type series reactor
CN205016883U (en) * 2015-09-24 2016-02-03 江西广能电气设备有限公司 Low noise audio amplifier of easy installation becomes
CN105355364A (en) * 2015-11-19 2016-02-24 铜陵瑞博电子科技有限公司 Soundproof transformer
CN205140674U (en) * 2015-10-27 2016-04-06 国网天津静海供电有限公司 Transformer for distributed generator
CN205230715U (en) * 2015-11-15 2016-05-11 重庆南瑞博瑞变压器有限公司 Novel transformer
CN205793781U (en) * 2016-05-24 2016-12-07 深圳市荣泰自动化技术有限公司 Controller that security performance is high
CN206451563U (en) * 2016-12-29 2017-08-29 安徽华正电气有限公司 A kind of Novel reactor, transformer medium-high frequency denoising device

Patent Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB648697A (en) * 1939-03-11 1951-01-10 Establissements Merlin & Gerin Improvements in cooling arrangements for electrical transformers
JPH05175053A (en) * 1991-12-25 1993-07-13 Hitachi Ltd Dry-type transformer
CN1123950A (en) * 1994-11-30 1996-06-05 雷光民 Heat pipe radiator for transformer
CN202444369U (en) * 2012-02-17 2012-09-19 郭达 Motor silencer
CN203966735U (en) * 2014-08-05 2014-11-26 红旗集团温州变压器有限公司 A kind of novel transformer
CN204204556U (en) * 2014-09-25 2015-03-11 山东亿九电气发展有限公司 A kind of low noise audio amplifier becomes housing
CN204167043U (en) * 2014-10-31 2015-02-18 国家电网公司 A kind of transformer
CN204516551U (en) * 2015-04-22 2015-07-29 华夏恒业变压器有限公司 A kind of half iron core dry-type series reactor
CN205016883U (en) * 2015-09-24 2016-02-03 江西广能电气设备有限公司 Low noise audio amplifier of easy installation becomes
CN205140674U (en) * 2015-10-27 2016-04-06 国网天津静海供电有限公司 Transformer for distributed generator
CN205230715U (en) * 2015-11-15 2016-05-11 重庆南瑞博瑞变压器有限公司 Novel transformer
CN105355364A (en) * 2015-11-19 2016-02-24 铜陵瑞博电子科技有限公司 Soundproof transformer
CN205793781U (en) * 2016-05-24 2016-12-07 深圳市荣泰自动化技术有限公司 Controller that security performance is high
CN206451563U (en) * 2016-12-29 2017-08-29 安徽华正电气有限公司 A kind of Novel reactor, transformer medium-high frequency denoising device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108389683A (en) * 2017-12-26 2018-08-10 铜陵日科电子有限责任公司 A kind of sound-absorbing transformer case
CN110173409A (en) * 2019-06-04 2019-08-27 合肥尚康电子科技有限公司 A kind of denoising device for oxygenerator

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Application publication date: 20170524