CN2401697Y - Air cooling apparatus with silencer for transformer - Google Patents
Air cooling apparatus with silencer for transformer Download PDFInfo
- Publication number
- CN2401697Y CN2401697Y CN 99249024 CN99249024U CN2401697Y CN 2401697 Y CN2401697 Y CN 2401697Y CN 99249024 CN99249024 CN 99249024 CN 99249024 U CN99249024 U CN 99249024U CN 2401697 Y CN2401697 Y CN 2401697Y
- Authority
- CN
- China
- Prior art keywords
- forced air
- ventilator
- silencer
- air cooler
- transformer
- 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
Links
Images
Abstract
The utility model relates to an air cooler with a silencing device for transformers, which comprises a main body of the air cooler, wherein, one side of the main body is provided with an air fan which is surrounded by a ventilating barrel. The utility model is characterized in that the inner wall of the ventilating barrel is provided with a silencer, and the silencer is composed of a layer of porous plate, and a silencing plate arranged between the porous plate and the wall of the ventilating barrel. The utility model can greatly raise the effect of the noise reduction of the air cooler under the condition of not reducing the air pressure and the air speed of the air fan.
Description
The utility model relates to the cooling unit that a kind of transformer is used, and is a kind of transformer forced air cooler that has silencer specifically.
Transformer is a device very important in a kind of power transformating and supplying facility.And, therefore being used for the requisite supporting facility that transformer cooling device then constitutes transformer owing to will inevitably produce a large amount of heats in the work of transformer, this point is then even more important for high-power transformer.
Currently used the most frequently used cooling unit is arranged is a kind of forced air cooler, and it includes the body of cooler, in its body sink is installed, as the cooling tube bundle etc.For intrinsic heat can be come out, and the cooling medium in the sink is cooled off as soon as possible, be provided with fan in a side of body.When forced air cooler is worked, utilize the rotation of fan to derive in this heat of body external.The fan that often need be equipped with a plurality of high wind speeds, big blast for some large-scale transformer could guarantee transformer heat radiation requirement in normal operation.And the fan of these high wind speeds, big blast can produce great noise when rotating, more than noise under the general situation is up to 68dB.This phenomenon is arranged at spacious open-air high-power transformer for some and still can, but then constitute very serious pollution sources for some transformers that must be arranged in the urban district, thereby limited the Environmental Conditions of high-power transformer widely, also constituted the obstacle that power transmission and transformation net in city is built simultaneously.
Noise-reduction method for the transformer air-cooling device is to realize by the method that reduces electric fan wind speed and blast now, and this method can have influence on the radiating effect of forced air cooler undoubtedly.The inventor once repeatedly carried out repeatedly improvement to the structure of the radiating fin of forced air cooler for this reason, and profit is asked under the situation that improves radiating efficiency, by reducing the noise that fan wind speed and blast reduce forced air cooler.But a large amount of evidence, because the noise of forced air cooler is mainly produced by fan, therefore only radiating structure is improved the significantly noise reduction that still can not realize forced air cooler, and also can increase the manufacture cost of forced air cooler to the improvement of radiating structure widely.
The purpose of this utility model is to provide a kind of transformer forced air cooler that has silencer, from reducing the noise viewpoint of fan, under the situation that does not reduce fan wind speed and blast, improves the noise reduction of forced air cooler significantly.
The purpose of this utility model is achieved in that a kind of transformer forced air cooler that has silencer, include a forced air cooler body, one side of its body is provided with fan, this fan is enclosed by ventilator, the inwall that it is characterized in that this ventilator is provided with baffler, this baffler is by one deck porous slab, and the acoustical panel of being located between porous slab and ventilation chimney is formed.
The purpose of this utility model also can realize that the acoustical panel of being located between porous slab and ventilation chimney is to constitute by the porous soft board or by the porous hard scutum by following measure.Also can be provided with the above porous slab of a ring in the described ventilator.Can be provided with support in the ventilator, an end of above-mentioned ring of numbers porous slab is by this support fixation, and the other end is fixed by the screen of air duct opening end.Described ventilator can be by being formed by connecting more than two sections.Its end section is slightly larger than the axial height of fan, all can be provided with the ring of numbers porous slab on other section.Can connect by flange seal between per two sections ventilators.Also can be provided with the above noise reduction ring of a ring in the described ventilator, this noise reduction ring be by two-layer porous slab and therebetween the acoustical panel established of folder constitute.One end of this noise reduction ring is by support fixation, and the other end is fixed by the screen of ventilator opening end.
Working principle of the present utility model and effect are, when rotating under the state of high wind speed and big blast, fan vibrates and the noise of generation by himself, can in air duct, repeatedly clash into the inwall baffler of air duct, and in the process of repeatedly bump, its a part of energy has at first been weakened during the porous slab of the baffler that is provided with on passing the air duct inwall effectively, and the major part of remaining energy is absorbed by the set soft acoustical panel that is made of porous material of porous slab internal layer, by above-mentioned effective noise reduction process, make and reduced widely by the noise that fan produced.
In sum, the effect that the utility model produced is significant, the inventor is through evidence, use the utility model under the situation of identical wind speed and blast, its average sound pressure level can reduce 5--7dB by former sound pressure level, is lower than existing transformer forced air cooler widely, and is lower than the 74dB (A) of NBS JB/T 8352-1996 standard sound level widely, its sound pressure level can be reduced to 53.86dB (A), can satisfy the low noise standard of power transmission and transformation device in the urban district fully.
The explanation of accompanying drawing drawing:
Fig. 1 is first a kind of embodiment's of the present utility model structural representation;
Fig. 2 is second a kind of embodiment's of the present utility model structural representation;
Fig. 3 illustrates the third embodiment's of the present utility model structural representation.
It is as follows to describe the utility model in detail below in conjunction with embodiment and accompanying drawing thereof;
See also shown in Figure 1ly, a kind of transformer forced air cooler that has silencer of the present utility model includes a forced air cooler body 1, and the structure of this body 1 can adopt the structure identical with existing forced air cooler.One side of body 1 is provided with fan 2, and an end of fan 2 is fixed in the body 1, and the flabellum end of fan 2 is convexly set in outside the body 1.The flabellum end of this fan 2 is enclosed by hollow cylinder ventilator 3.
Feature of the present utility model is that the inwall in this ventilator 3 is provided with baffler 4, this baffler 4 is by one deck porous slab 41, and the acoustical panel of being located between porous slab 41 and ventilator 3 inwalls 42 is formed, porous slab 41 is for being laid with the hard plate of micropore 411, its diameter is slightly less than the internal diameter of ventilator 3, and above-mentioned acoustical panel 42 then is located between the inwall of porous slab 41 and ventilator 3.Acoustical panel 42 is that the porous soft board of sound-absorbing effect constitutes by having preferably in the present embodiment, noise reduction cotton that constitutes as glass cloth, felt class, by sound-absorbing material or the like.Its porous slab 41 by hard of this soft acoustical panel is located between the inwall of porous slab 41 and ventilator 3 as propclip, thereby constitutes a kind of baffler 4.And the axial length of ventilator 3 is greater than the axial length of fan 2, and its front end at flabellum forms one section ventilation flue.
The working principle of present embodiment is to be vibrated and the noise of generation by himself when fan 2 rotates under the state of high wind speed and big blast, understand on the inwall that in this section air channel, repeatedly clash into ventilator and be covered with baffler 4, and in the process of repeatedly bump, its a part of energy has at first been weakened when passing the porous slab 41 of ventilator 3 inwalls effectively, and the major part of remaining energy is absorbed by the set soft acoustical panel that is made of porous material of porous slab 41 its internal layers, by above-mentioned effective noise reduction process, make that the noise that is produced by fan 2 has been reduced widely.
Present embodiment can axially be provided with a lengthening section 31 with ventilator 3, prolongs the process of noise reduction with this, and has therefore improved the noise reduction of baffler 4 widely.This lengthening section 31 can be extended by ventilator 3 direct one, also can establish an independent prolonged section 31 as shown in addition, and this lengthening section 31 is connected by flange seal with the ventilation cylindrical shell.The ventilation cylindrical shell elongate structure of this kind connection has good suitability, in its environment that is applied to criteria for noise is had relatively high expectations, then can prolonged section 31 will be added on the ventilation cylindrical shell, and in the less demanding environment for criteria for noise, then can not add lengthening section 31, reduce the forced air cooler user cost with this.
Baffler 4 in the utility model also can constitute (not shown) by the porous hard scutum, and this porous hard scutum is made of its surface and inner porous structure, so its inwall that is posted solid in ventilator 3 that above-mentioned porous slab 41 and acoustical panel 42 can be united two into one constitutes baffler 4.
Fig. 2 illustrates second kind of embodiment of the present utility model, and in the present embodiment, its agent structure is identical with a last embodiment, and its difference is also can be provided with in the ventilator 3 the above porous slab 5 of a ring.Can be provided with support 33 in ventilator 3, the end face of the opening end of ventilator 3 is provided with the jube of conducting, can be installed with the porous slab 5 of ring of numbers ring-type at jube and 33 of supports.The number of rings of porous slab 5 can be determined according to the installation environment of transformer.
In the present embodiment because the setting of porous slab 5, make by the noise that rotation produced of fan inwall increased frequency at this section air channel inner impact air duct, and in the process of repeatedly bump, its energy is constantly being weakened by porous slab 5 and the porous slab 41 of being located at inwall, and the major part of remaining energy is passed porous slab 41 and is absorbed by the set soft acoustical panel that is made of porous material of its internal layer, its noise reduction more is better than first kind of embodiment, generally speaking, present embodiment is more suitable for situation that noise is had relatively high expectations, as is installed on school, transformer in the environment such as hospital.
The ventilator 3 of present embodiment 2 can be by being formed by connecting more than two sections.Its end section is slightly larger than the axial height of fan 2, all can be provided with ring of numbers porous slab 5 on the lengthening section 31.And this lengthening section 31 and intersegmental can the connection by flange seal of the end of ventilator 3.Its effect is identical with embodiment 1, can be satisfied with the demand of different installation environments easily so that the utlity model has splendid suitability, can improve the utilization ratio of equipment again to greatest extent.
Fig. 3 illustrates the 3rd kind of embodiment of the present utility model.In the present embodiment, its agent structure is identical with embodiment 1 and 2, and its difference is also can be provided with in the ventilator 3 the above noise reduction ring 6 of a ring.Can be provided with support 33 in ventilator 3, the end face of the opening end of ventilator 3 is provided with the jube of conducting, can be installed with the noise reduction ring 6 of ring of numbers ring-type at jube and 33 of supports.This noise reduction ring 6 is by two-layer porous slab 61 and be folded with acoustical panel 62 therebetween and form.The number of rings of noise reduction ring 6 can be determined according to the installation environment of transformer.
The setting of present embodiment noise reduction ring 6 can realize best noise reduction, its working principle is same as described above, just noise reduction ring 6 can absorb more energy, its noise reduction more is better than above-mentioned two kinds of embodiments, generally speaking, present embodiment is more suitable for situation that noise is had relatively high expectations, as is installed on the transformer in the environment such as school, hospital.The ventilator 3 of present embodiment 2 can be by being formed by connecting more than two sections.Its end section is slightly larger than the axial height of fan 2, and noise reduction ring 6 is located on the lengthening section 31.The one end is fixedly connected by support 33, and the other end is fixed in the opening end of ventilator.And this lengthening section 31 and ventilator 3 are connected by flange seal.Can make to the utlity model has splendid suitability, be satisfied with the demand of different installation environments, can improve the utilization ratio of equipment again to greatest extent.
Claims (10)
1, a kind of transformer forced air cooler that has silencer, include a forced air cooler body, one side of its body is provided with fan, this fan is enclosed by ventilator, the inwall that it is characterized in that this ventilator is provided with baffler, this baffler is by one deck porous slab, and the acoustical panel of being located between porous slab and ventilation chimney is formed.
2, a kind of transformer forced air cooler that has silencer according to claim 1 is characterized in that the described acoustical panel of being located between porous slab and ventilation chimney is to be made of the porous soft board.
3, a kind of transformer forced air cooler that has silencer according to claim 1 is characterized in that the described acoustical panel of being located between porous slab and ventilation chimney is to be made of the porous hard scutum.
4,, it is characterized in that also can being provided with in the described ventilator the above porous slab of a ring according to claim 2 or 3 described a kind of transformer forced air coolers that have silencer.
5, a kind of transformer forced air cooler that has silencer according to claim 4 is characterized in that can being provided with support in the described ventilator, and an end of above-mentioned ring of numbers porous slab is by this support fixation, and the other end is fixed by the screen of air duct opening end.
6, a kind of transformer forced air cooler that has silencer according to claim 1 is characterized in that described ventilator can be by being formed by connecting more than two sections.
7, a kind of transformer forced air cooler that has silencer according to claim 5 is characterized in that described ventilator can be by being formed by connecting more than two sections, and its end section is slightly larger than the axial height of fan, all can be provided with the ring of numbers porous slab on other section.
8, according to claim 6 or 7 described a kind of transformer forced air coolers that have silencer, it is characterized in that to connect by flange seal between described per two sections ventilators.
9, according to claim 2 or 3 described a kind of transformer forced air coolers that have silencer, it is characterized in that also can being provided with in the described ventilator the above noise reduction ring of a ring, this noise reduction ring be by two-layer porous slab and therebetween the acoustical panel established of folder constitute.
10, a kind of transformer forced air cooler that has silencer according to claim 9, an end that it is characterized in that described noise reduction ring is by support fixation, and the other end is fixed by the screen of ventilator opening end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99249024 CN2401697Y (en) | 1999-10-26 | 1999-10-26 | Air cooling apparatus with silencer for transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99249024 CN2401697Y (en) | 1999-10-26 | 1999-10-26 | Air cooling apparatus with silencer for transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2401697Y true CN2401697Y (en) | 2000-10-18 |
Family
ID=34034083
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 99249024 Expired - Fee Related CN2401697Y (en) | 1999-10-26 | 1999-10-26 | Air cooling apparatus with silencer for transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2401697Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102357438A (en) * | 2011-08-22 | 2012-02-22 | 广东风华环保设备有限公司 | Environment-friendly dust-removing air supply sprayer provided with silencer |
| CN101866648B (en) * | 2009-04-14 | 2013-09-11 | 特变电工衡阳变压器有限公司 | Composite muffling plate and transformer/reactor comprising muffling plate |
| CN106607371A (en) * | 2015-10-22 | 2017-05-03 | 西安品质信息科技有限公司 | Temperature self-adaption ultrasonic washing machine based on sensor |
| CN108507409A (en) * | 2018-05-31 | 2018-09-07 | 山西尚风抑风墙科技有限公司 | A kind of fog gun silencing means |
-
1999
- 1999-10-26 CN CN 99249024 patent/CN2401697Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101866648B (en) * | 2009-04-14 | 2013-09-11 | 特变电工衡阳变压器有限公司 | Composite muffling plate and transformer/reactor comprising muffling plate |
| CN102357438A (en) * | 2011-08-22 | 2012-02-22 | 广东风华环保设备有限公司 | Environment-friendly dust-removing air supply sprayer provided with silencer |
| CN106607371A (en) * | 2015-10-22 | 2017-05-03 | 西安品质信息科技有限公司 | Temperature self-adaption ultrasonic washing machine based on sensor |
| CN108507409A (en) * | 2018-05-31 | 2018-09-07 | 山西尚风抑风墙科技有限公司 | A kind of fog gun silencing means |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN2356165Y (en) | Noise eliminating fan | |
| CN2401697Y (en) | Air cooling apparatus with silencer for transformer | |
| CN206458652U (en) | The silencing means and axial-flow type smoke exhaust fan of a kind of axial-flow type smoke exhaust fan | |
| CN201828165U (en) | Double-curve silencer for cooling tower | |
| CN208126864U (en) | A kind of noise control system applied to thermal power plant Air-Cooling Island | |
| CN210565222U (en) | Novel fan amortization device | |
| CN208183967U (en) | A kind of Novel movable board house | |
| CN110821545A (en) | Self-silencing axial flow fan ventilation system for tunnel | |
| CN220288287U (en) | Cooling tower | |
| CN206786222U (en) | A kind of ventilation shaft | |
| CN207233383U (en) | A kind of array type silencer | |
| CN2554541Y (en) | Air conditioner duct made of multi-hole material | |
| CN111293821A (en) | Ventilation and noise reduction device for air-cooled motor | |
| CN112460076A (en) | Main exhaust fan array type silencer for large air volume and strong mixed noise | |
| CN211739567U (en) | Noise-reduction air-cooled condenser | |
| CN211342993U (en) | Self-silencing axial flow fan ventilation system for tunnel | |
| CN205919458U (en) | Exhaust hood, air -cooled outdoor unit's mounting structure | |
| CN207936787U (en) | A kind of low-noise cooling tower | |
| CN216642273U (en) | Multifunctional container type diesel generator set | |
| CN215111275U (en) | Passenger roller boat tuber pipe silencing device | |
| CN219101723U (en) | Noise-reducing and sound-insulating box for fan equipment | |
| CN218510128U (en) | Low-temperature-resistant speed reducer applied to solar unit | |
| CN215410795U (en) | Internal heat-insulation silencing air pipe | |
| CN218895522U (en) | Central air conditioner fan coil silencer | |
| CN210638573U (en) | Amortization direction type cooling tower |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |