CN209657979U - A kind of noise reduction damping dry-type transformer - Google Patents

A kind of noise reduction damping dry-type transformer Download PDF

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Publication number
CN209657979U
CN209657979U CN201920744378.0U CN201920744378U CN209657979U CN 209657979 U CN209657979 U CN 209657979U CN 201920744378 U CN201920744378 U CN 201920744378U CN 209657979 U CN209657979 U CN 209657979U
Authority
CN
China
Prior art keywords
noise reduction
silencing cavity
draft chamber
type transformer
dry
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.)
Expired - Fee Related
Application number
CN201920744378.0U
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Chinese (zh)
Inventor
苏同海
杜士昌
丁宏祥
樊佃志
崔恩壮
马飞
方安东
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.)
SHANDONG LUSHENG ELECTRICAL EQUIPMENT CO Ltd
Original Assignee
SHANDONG LUSHENG ELECTRICAL EQUIPMENT 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 SHANDONG LUSHENG ELECTRICAL EQUIPMENT CO Ltd filed Critical SHANDONG LUSHENG ELECTRICAL EQUIPMENT CO Ltd
Priority to CN201920744378.0U priority Critical patent/CN209657979U/en
Application granted granted Critical
Publication of CN209657979U publication Critical patent/CN209657979U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model provides a kind of dry-type transformer with noise reduction shock-absorbing function, it include: transformer body, it is characterized in that, transformer body is externally provided with noise reduction shell, noise reduction sheath top plate is connected by lifting spring at the top of transformer body, transformer body bottom is set on noise reduction shell bottom plate by damper;Noise reduction shell is equipped with heat dissipation muffler.Influence of the vibration to noise when the utility model reduces dry-type transformer operation;The air of noise control interior of shell is radiated by heat dissipation muffler with external air currents, the silencing cavity of heat dissipation muffler is irregularly arranged, it is connected to the ladder-like setting of hush pipe of left draft chamber and right draft chamber, sound-absorbing effect is obvious, effectively reduces dry-type transformer to extraneous noise effect.

Description

A kind of noise reduction damping dry-type transformer
Technical field
The utility model belongs to field of transmission equipment more particularly to a kind of noise reduction damping dry-type transformer.
Background technique
Dry-type transformer just refers to transformer that iron core and winding are not immersed in insulating oil since dry-type transformer has The advantages that fire prevention, non-maintaining, overload capacity is strong, long service life, so being widely used in local lighting, skyscraper, airport With the places such as harbour CNC mechanical equipment.
But there is a problem of that noise is excessive when dry-type transformer operation;Noise will affect the daily life of people around, very Harmful influence extremely is caused on the health of people.
Summary of the invention
Noise is big when for the problem that the operation of prior art dry-type transformer, influences people's health around, this is practical It is novel that a kind of dry-type transformer with noise reduction shock-absorbing function is provided, reduce the noise of dry-type transformer.
To reach this purpose, the utility model includes: transformer body, and transformer body is externally provided with noise reduction shell, transformation Device bodies top connects noise reduction sheath top plate by lifting spring, and transformer body bottom is set to noise reduction shell by damper On bottom plate;
Noise reduction shell is equipped with heat dissipation muffler.
Preferably, heat dissipation muffler includes: silencing cavity, hush pipe, spacing board, ventilation hole, sound absorbing layer;
Left draft chamber in irregular shape and right draft chamber are isolated by spacing board inside silencing cavity, are in rank on spacing board Scalariform is equipped with multiple hush pipes, and left draft chamber is connected to by hush pipe with right draft chamber;
The left draft chamber side and right draft chamber side of silencing cavity are equipped with ventilation hole;
Noise reduction cavity wall, noise reduction inside pipe wall are equipped with muffle coating.
Preferably, the ventilation hole of the left draft chamber side of silencing cavity is located at noise reduction shell exterior;
The ventilation hole of the right draft chamber side of silencing cavity is located at noise reduction interior of shell.
Preferably, the left draft chamber side of silencing cavity leading portion is equipped with ventilation hole;
The right draft chamber side of silencing cavity back segment is equipped with ventilation hole;
Silencing cavity back segment is oppositely arranged with silencing cavity leading portion.
Preferably, silencing cavity leading portion is set to noise reduction shell exterior;
Silencing cavity back segment is set to noise reduction interior of shell.
Preferably, damper includes: upper backup pad, lower supporting plate, damping spring, limit telescopic bar;
It is equipped with multiple limit telescopic bars between upper backup pad and lower supporting plate, damping spring is surrounded with outside limit telescopic bar.
The utility model has the beneficial effects that:
Dry-type transformer ontology is set in noise control shell by the application by lifting spring and damper, is reduced dry type and is become Influence of the vibration to noise when depressor is run;The air of noise control interior of shell is carried out by heat dissipation muffler and external air currents Heat dissipation, the silencing cavity for the muffler that radiates irregularly are arranged, and are connected to the ladder-like setting of hush pipe of left draft chamber and right draft chamber, inhale Audio fruit is obvious, and noise reduction cavity wall and noise reduction inside pipe wall are equipped with sound absorbing layer, enhance sound-absorbing effect, effectively reduce dry Formula transformer is to extraneous noise effect.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, for ordinary skill people For member, without creative efforts, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the utility model section schematic diagram.
Fig. 2 is the utility model heat dissipation muffler diagrammatic cross-section.
In figure, 1, dry-type transformer ontology, 2, noise control shell, 3, lifting spring, 4, heat dissipation muffler, 401, right ventilation Room, 402, left draft chamber, 403, spacing board, 404, hush pipe, 405, ventilation hole, 5, damper, 501, upper backup pad, 502, limit Position telescopic rod, 503, lower supporting plate, 504, damping spring.
Specific embodiment
In order to make those skilled in the art more fully understand the technical solution in the utility model, below in conjunction with this reality With the attached drawing in new embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that The described embodiments are only a part of the embodiments of the utility model, instead of all the embodiments.Based on the utility model In embodiment, every other implementation obtained by those of ordinary skill in the art without making creative efforts The range of the utility model protection all should belong in example.
The present embodiment provides a kind of noise reduction damping dry-type transformer, transformer damping noise reduction and absorbing sound and lowering noise two ways phase In conjunction with elimination dry-type transformer is to extraneous noise jamming.As shown in Figure 1, the present embodiment includes: transformer body 1, transformer Ontology 1 is externally provided with noise reduction shell 2, passes through lifting connection 2 top plate of noise reduction shell of spring 3, transformer body at the top of transformer body 1 1 bottom is set on 2 bottom plate of noise reduction shell by damper 5;Noise reduction shell 2 is equipped with multiple heat dissipation mufflers 4.
Noise reducing muffle can ventilation and heat and noise reduction effect.In the present embodiment, as shown in Fig. 2, heat dissipation noise reduction Device 4 includes: silencing cavity, hush pipe 404, spacing board 403, ventilation hole 405, sound absorbing layer;
Left draft chamber 402 and right draft chamber 401 in irregular shape are isolated by spacing board 403 inside silencing cavity, Stepped on partition 403 to be equipped with multiple hush pipes 404, the length of hush pipe 404 is different, and left draft chamber 402 is by disappearing Sound tube 404 is connected to right draft chamber 401;402 side of left draft chamber and 401 side of right draft chamber of silencing cavity are equipped with ventilation hole 405;And noise reduction cavity wall, 404 inner wall of hush pipe are equipped with muffle coating.The ventilation of 402 side of left draft chamber of silencing cavity Hole 405 is located at outside noise reduction shell 2;The ventilation hole 405 of 401 side of right draft chamber of silencing cavity is located inside noise reduction shell 2;Drop When the air circulation inside shell 2 of making an uproar, left and right draft chamber is flowed through by ventilation hole 402.By the irregular setting of silencing cavity, disappear The stair-stepping setting of sound tube, and length is different, convenient for filtering the noise of different frequency.Sound absorbing layer is made of sound-absorbing material It forms, improves the noise reduction effect of noise reducing muffle.
In order to reach better noise reduction effect, ventilation hole 405 is respectively arranged at 402 side of left draft chamber of silencing cavity leading portion With 401 side of right draft chamber of silencing cavity back segment;Silencing cavity back segment is oppositely arranged with silencing cavity leading portion.Silencing cavity leading portion is set to Outside noise reduction shell 2;Silencing cavity back segment is set to inside noise reduction shell 2.So set, left and right can be adequately flowed through when air circulation Draft chamber, noise reduction effect are more preferable.
In the present embodiment, damper 5 includes: upper backup pad 501, lower supporting plate 503, damping spring 504, limit telescopic bar 502;
It is equipped with multiple limit telescopic bars 502 between upper backup pad 501 and lower supporting plate 503, is surround outside limit telescopic bar 502 There is damping spring 504.
Although by reference to attached drawing and combining the mode of preferred embodiment that the utility model is described in detail, this Utility model is not limited to this.Under the premise of not departing from the spirit and essence of the utility model, those of ordinary skill in the art The embodiments of the present invention can be carried out with various equivalent modifications or substitutions, and these modifications or substitutions all should be practical at this In novel covering scope/anyone skilled in the art within the technical scope disclosed by the utility model, can Change or replacement are readily occurred in, should be covered within the scope of the utility model.Therefore, the protection model of the utility model Enclosing shall be subject to the protection scope of the claim.

Claims (6)

1. a kind of noise reduction damping dry-type transformer, comprising: transformer body (1), which is characterized in that transformer body (1) peripheral hardware Have noise reduction shell (2), noise reduction shell (2) top plate, transformer body are connected by lifting spring (3) at the top of transformer body (1) (1) bottom is set on noise reduction shell (2) bottom plate by damper (5);
Noise reduction shell (2) is equipped with heat dissipation muffler (4).
2. noise reduction damping dry-type transformer according to claim 1, which is characterized in that
Heat dissipation muffler (4) includes: silencing cavity, hush pipe (404), spacing board (403), ventilation hole (405), sound absorbing layer;
It is isolated into left draft chamber (402) in irregular shape and right draft chamber (401) by spacing board (403) inside silencing cavity, Stepped on spacing board (403) to be equipped with multiple hush pipes (404), left draft chamber (402) passes through hush pipe (404) and right ventilation Room (401) connection;
Left draft chamber (402) side and right draft chamber (401) side of silencing cavity are equipped with ventilation hole (405);
Noise reduction cavity wall, hush pipe (404) inner wall are equipped with muffle coating.
3. noise reduction damping dry-type transformer according to claim 2, which is characterized in that
It is external that the ventilation hole (405) of left draft chamber (402) side of silencing cavity is located at noise reduction shell (2);
It is internal that the ventilation hole (405) of right draft chamber (401) side of silencing cavity is located at noise reduction shell (2).
4. noise reduction damping dry-type transformer according to claim 2, which is characterized in that
Left draft chamber (402) side of silencing cavity leading portion is equipped with ventilation hole (405);
Right draft chamber (401) side of silencing cavity back segment is equipped with ventilation hole (405);
Silencing cavity back segment is oppositely arranged with silencing cavity leading portion.
5. noise reduction damping dry-type transformer according to claim 4, which is characterized in that
It is external that silencing cavity leading portion is set to noise reduction shell (2);
It is internal that silencing cavity back segment is set to noise reduction shell (2).
6. noise reduction damping dry-type transformer according to claim 1, which is characterized in that
Damper (5) includes: upper backup pad (501), lower supporting plate (503), damping spring (504), limit telescopic bar (502);
Multiple limit telescopic bars (502) are equipped between upper backup pad (501) and lower supporting plate (503), limit telescopic bar (502) is outside It is surrounded with damping spring (504).
CN201920744378.0U 2019-05-21 2019-05-21 A kind of noise reduction damping dry-type transformer Expired - Fee Related CN209657979U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920744378.0U CN209657979U (en) 2019-05-21 2019-05-21 A kind of noise reduction damping dry-type transformer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920744378.0U CN209657979U (en) 2019-05-21 2019-05-21 A kind of noise reduction damping dry-type transformer

Publications (1)

Publication Number Publication Date
CN209657979U true CN209657979U (en) 2019-11-19

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201920744378.0U Expired - Fee Related CN209657979U (en) 2019-05-21 2019-05-21 A kind of noise reduction damping dry-type transformer

Country Status (1)

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CN (1) CN209657979U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111163605A (en) * 2020-01-16 2020-05-15 钱丰 Communication cabinet with noise reduction function

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111163605A (en) * 2020-01-16 2020-05-15 钱丰 Communication cabinet with noise reduction function

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20191119

CF01 Termination of patent right due to non-payment of annual fee