CN101117969B - Vibration-proof structure of series fan - Google Patents
Vibration-proof structure of series fan Download PDFInfo
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- CN101117969B CN101117969B CN2006101040779A CN200610104077A CN101117969B CN 101117969 B CN101117969 B CN 101117969B CN 2006101040779 A CN2006101040779 A CN 2006101040779A CN 200610104077 A CN200610104077 A CN 200610104077A CN 101117969 B CN101117969 B CN 101117969B
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Abstract
The present invention relates to a vibration reducing structure of a series connected fan. The series connected fan at least comprises two fan frames, a vibration reducing component is arranged between the surfaces at the vibration reducing combination of the fan frames, and the vibration reducing component must be made of elastic material of vibration absorbing and vibration damping. When the impeller rotators inside the fan frame run, the base frequency of the vibration of the two fan rotators can be damped and absorbed by the vibration reducing component of the present invention, thereby avoiding serious resonance effect and the vibration noise caused by mutual affect, and maintaining the optimum effect and the service life of the system.
Description
Technical field
The present invention relates to the anti-vibration structure of tandem fan, be meant a kind of applying to after the windy fan series combination especially, can solve because the anti-vibration structure of the tandem fan of two above impeller rotor running generation resonance effect.
Background technique
Two static pressure that above fan series connection is produced can reach twice, and add a tandem fan under the condition of zero air quantity, can increase air quantity in the higher static pressure system, so tandem fan can reach best radiating effect for the system of HR high resistance.
Fan running is bound to produce vibration, just strong, weak difference, in general, the fan that static pressure is high more, fan is big more, caused vibration is also serious more, and the vibration not only can produce noise, also can reduce the stability of a system, cause the electrical assembly contact of internal system to do sth. in advance tired and aging, shorten lifetime of system.
As shown in Figure 1, tandem fan includes at least and is provided with the portion that buckles that is in correspondence with each other 11 and catching groove 12 between two fan frames, 10, the two fan frames 10 separately, makes the clip combination of can connecting of two fan frames 10.
The aforementioned tandem fan of commonly using is direct contact series combination between the two fan frames 10, so have following shortcoming:
1, the resonance situation is serious after 10 series connection of two fan frames: the design principle of motor torsion running itself will inevitably produce vibration, tandem fan particularly, when the impeller rotor of two fan frames, 10 inside rotates running simultaneously, under the fundamental vibration frequency reciprocal effect of two impeller rotors, can cause two fan frames 10 to produce serious resonance effect, and system can directly be conducted and have influence on to this resonance effect, causes system can't bring into play its best efficiency.
2, resonance effect causes the lost of life of system: resonance effect not only can influence the effect of whole system, is in for a long time when system under the environment of vibration, also can quicken tired the reaching of doing sth. in advance of its internal electrical components contact and wear out, and shortens lifetime of system.
3, vibrating noise is serious: resonance effect is also supervened huge noise simultaneously, and is very big to the level of noise assessment influence of entire system.
Therefore, if will thoroughly solve the resonance problem of above-mentioned tandem fan framework, keep the optimal efficacy and the life-span of system, must take more positive buffering and keep away vibration means, reduce the fundamental vibration frequency of tandem fan framework, avoid vibratory output reciprocal effect, the transmission of the running of impeller rotor, therefore, the anti-vibration structure of a kind of tandem fan of active development is very urgent.
Summary of the invention
At the problems referred to above, main purpose of the present invention is to provide a kind of anti-vibration structure of tandem fan, and it can solve the resonance effect that two above impeller rotor runnings produce.
For achieving the above object, the anti-vibration structure of a kind of tandem fan provided by the present invention, tandem fan comprises and has two fan frames at least, it is characterized in that: be provided with between the face of described fan frame series combination and the face and keep away the assembly that shakes, and described keep away the assembly that shakes must be by making with the elastic material of absorbing and buffering vibration.
In the technological scheme of the invention described above, described material of keeping away the assembly that shakes can adopt that rubber, bubble are continuous, a kind of in sponge or the excellent power glue.
In the above technological scheme of the present invention, described shape of keeping away the assembly that shakes is the shape of the junction plane of corresponding fan frame.
In the above technological scheme of the present invention, described fan frame inside is provided with for the containing space of inserting the impeller rotor, described containing space one side is provided with pedestal, described pedestal connects to one by rib and described fan frame, and be equipped with a drive unit on the described pedestal, to order about described impeller rotor rotation.
In the above technological scheme of the present invention, the shape that described shape of keeping away the assembly that shakes is corresponding described pedestal and less than described pedestal, and described pedestal outside end face is provided with shallow grooves, inserts for the described assembly that shakes of keeping away.
In the above technological scheme of the present invention, be provided with the portion that buckles and the catching groove that is in correspondence with each other between the described fan frame separately, for series combination.
Adopt technique scheme, when the impeller rotor of fan frame inside turns round, utilization of the present invention keeps away the shock-absorbing properties of the assembly that shakes, can reduce the fundamental vibration frequency of two impeller rotors, and buffering, absorb its vibratory output, avoid the fundamental vibration frequency reciprocal effect of two impeller rotors, avoid causing serious resonance effect and vibrating noise, keep the optimal efficacy and the life-span of system.
Description of drawings
Fig. 1 is a decomposing schematic representation of commonly using structure;
Fig. 2 is first kind of decomposing schematic representation of implementing kenel of the present invention;
Fig. 3 is second kind of decomposing schematic representation of implementing kenel of the present invention.
Embodiment
The present invention relates to a kind of anti-vibration structure of tandem fan, wherein tandem fan is in series by the fan more than at least two, and be provided with in each adjacent fan frame junction and keep away the assembly that shakes, utilization keeps away the buffering of the assembly that shakes itself and absorbs vibration characteristics, isolated, as to reduce tandem fan fundamental vibration frequency.
Promptly enumerating two kinds of practice of the present invention below describes in the embodiment and the conjunction with figs. of double fan series connection.
As shown in Figure 2, the tandem fan that the present invention implemented comprises to have at least and is provided with the portion that buckles that is in correspondence with each other 11 and catching groove 12 between two fan frames, 10, the two fan frames 10 separately, makes the clip combination of can connecting of two fan frames 10.
The present invention is provided with between the face of two fan frames, 10 series combination and face and keeps away the assembly 20 that shakes, keep away the assembly 20 that shakes the corresponding pedestal 13 of shape shape and must not be greater than pedestal 13, and be provided with shallow grooves 21 at two fan frames 10 pedestal 13 outside end faces in correspondence with each other, make and keep away the assembly 20 that shakes and to be placed between two shallow grooves 21, and pulled fixing by two pedestals, 13 folders.
Keeping away the assembly 20 that shakes must select for use with the elastic material of absorbing and buffering vibration and make, for example: rubber, bubble silk floss, sponge, excellent power glue ... therefore when the impeller rotor of two fan frames, 10 inside turns round simultaneously, the vibratory output that the rotation of two impeller rotors is produced just can completely cut off by the absorption that keeps away the assembly 20 that shakes, buffering, the fundamental vibration frequency that makes two impeller rotors can reciprocal effect, avoids producing resonance effect and noise.
Through experimental test, commonly use the tandem fan of structure, be benchmark with rotating speed input 15000rpm, rotating speed output 14000rpm, measured vibration-testing numerical value is:
Vibration speed value is Acc_0.5G:0.00947m/s
The vibration acceleration value is Acc_0.5G:17.2m/ (s2)
The present invention is a benchmark with rotating speed input 15000rpm, rotating speed output 14000rpm with the tandem fan identical with commonly using structure equally, and measured vibration-testing numerical value is:
Vibration speed value is Acc_0.5G:0.00349m/s
The vibration acceleration value is Acc_0.5G:8.89m/ (s2)
By above test result as can be known, the assembly 20 that shakes of keeping away of the present invention allows the vibration velocity of tandem fan integral body descend 63%, vibration acceleration has descended 48%, so the present invention can effectively completely cut off, cushion the fundamental vibration frequency of two impeller rotors really, the fundamental vibration frequency that makes two impeller rotors can reciprocal effect, avoids producing resonance effect and noise.
In addition, as shown in Figure 3, be the another kind of kenel of implementing of the present invention, keep away between the face and face that the assembly 22 that shakes is arranged at two fan frames, 10 series combination equally, and the shape of keeping away the assembly 22 that shakes is the shape of the junction plane of corresponding two fan frames 10, when two fan frames, 10 series combination, can pull fixing with keeping away assembly 22 folders that shake simultaneously, isolated to absorb, as to cushion two impeller rotors fundamental vibration frequency avoids reciprocal effect to cause serious resonance effect.
The anti-vibration structure of tandem fan of the present invention is compared with the aforementioned structure of commonly using, can learn that characteristics of the present invention include at least:
1, slowing down vibration, no resonance effects: the present invention takes positive buffering and keeps away vibration means, keep away the assembly that shakes in each adjacent fan frame junction setting, utilization keeps away the buffering of the assembly that shakes itself and absorbs vibration characteristics, isolated, as to reduce tandem fan fundamental vibration frequency avoids fan to produce serious resonance because of the reciprocation of fundamental vibration frequency.
2, keep optimal efficacy and the life-span of system: the fundamental vibration frequency of keeping away the assembly available buffer that shakes, absorption tandem fan, avoid causing resonance effects, therefore no longer be subjected to the vibratory output impact of impeller rotor running when system, can bring into play the best efficiency of system, and keep normal service life.
3, no resonance noise: keep away and shake that assembly not only can completely cut off, buffering vibration, anti-locking system produces resonance effects, and then avoids producing resonance noise.
The above only is better enforcement kenel of the present invention, and the equivalent structure that all application specification of the present invention, claims or accompanying drawing are done changes, and all should be included in the scope of patent protection of the present invention.
Claims (6)
1. the anti-vibration structure of a tandem fan, tandem fan includes two fan frames at least, it is characterized in that: the face and the face of described fan frame series combination respectively are provided with a pedestal, described pedestal connects to one by rib and described fan frame, be provided with between the face of described fan frame series combination and the face and keep away the assembly that shakes, and described keep away the assembly that shakes must be by making with the elastic material of absorbing and buffering vibration.
2. the anti-vibration structure of tandem fan according to claim 1 is characterized in that: described material of keeping away the assembly that shakes can adopt that rubber, bubble are continuous, a kind of in sponge or the excellent power glue.
3. the anti-vibration structure of tandem fan according to claim 1, it is characterized in that: described shape of keeping away the assembly that shakes is the shape of the junction plane of corresponding fan frame.
4. the anti-vibration structure of tandem fan according to claim 1 is characterized in that: described fan frame inside is provided with for inserting the containing space of impeller rotor, and is equipped with a drive unit on the described pedestal, to order about described impeller rotor rotation.
5. as the anti-vibration structure of tandem fan as described in the claim 4, it is characterized in that: the shape that described shape of keeping away the assembly that shakes is corresponding described pedestal and less than described pedestal, and described pedestal outside end face is provided with shallow grooves, inserts for the described assembly that shakes of keeping away.
6. the anti-vibration structure of tandem fan according to claim 1 is characterized in that: be provided with the portion that buckles and the catching groove that is in correspondence with each other between the described fan frame separately, for series combination.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006101040779A CN101117969B (en) | 2006-08-01 | 2006-08-01 | Vibration-proof structure of series fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006101040779A CN101117969B (en) | 2006-08-01 | 2006-08-01 | Vibration-proof structure of series fan |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101117969A CN101117969A (en) | 2008-02-06 |
| CN101117969B true CN101117969B (en) | 2010-12-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2006101040779A Expired - Fee Related CN101117969B (en) | 2006-08-01 | 2006-08-01 | Vibration-proof structure of series fan |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101929475A (en) * | 2009-06-26 | 2010-12-29 | 富准精密工业(深圳)有限公司 | Fan combination |
| TWI493111B (en) * | 2010-11-29 | 2015-07-21 | Sunonwealth Electr Mach Ind Co | Series-connected motor unit and a fan utilizing the same |
| CN102662457A (en) * | 2012-03-30 | 2012-09-12 | 浪潮电子信息产业股份有限公司 | Server resonance weakening method |
| CN106837836B (en) * | 2016-11-22 | 2019-08-06 | 奇鋐科技股份有限公司 | Tandem fan structure |
| CN112392754A (en) * | 2020-11-03 | 2021-02-23 | 深圳市宝迪凯科技有限公司 | Fan with series structure |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5208730A (en) * | 1991-06-27 | 1993-05-04 | Compaq Computer Corporation | Computer cooling fan vibration isolation apparatus |
| CN2349390Y (en) * | 1998-09-30 | 1999-11-17 | 台达电子工业股份有限公司 | Fan |
| CN2458442Y (en) * | 2000-11-20 | 2001-11-07 | 协禧电机股份有限公司 | DC brushless fan spindle bumper |
| CN2625958Y (en) * | 2003-05-14 | 2004-07-14 | 元山科技工业股份有限公司 | Shock suction and combination device for heatradiating fan and baseplate |
| CN1584340A (en) * | 2003-08-20 | 2005-02-23 | 建准电机工业股份有限公司 | Series mold set of radiating fan |
| DE202005005939U1 (en) * | 2005-04-13 | 2005-06-16 | Thoma, Peter | Vibration damped mounting for equipment especially cooling fan inside PC has an elastic mounting frame between the item and the mounting plate |
| CN2720777Y (en) * | 2004-06-21 | 2005-08-24 | 鸿富锦精密工业（深圳）有限公司 | Radiating device |
| CN1807900A (en) * | 2005-01-17 | 2006-07-26 | 奇鋐科技股份有限公司 | Fan module |
| CN2934684Y (en) * | 2006-08-01 | 2007-08-15 | 建凖电机工业股份有限公司 | Vibration-proof structure of tandem fan |
-
2006
- 2006-08-01 CN CN2006101040779A patent/CN101117969B/en not_active Expired - Fee Related
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5208730A (en) * | 1991-06-27 | 1993-05-04 | Compaq Computer Corporation | Computer cooling fan vibration isolation apparatus |
| CN2349390Y (en) * | 1998-09-30 | 1999-11-17 | 台达电子工业股份有限公司 | Fan |
| CN2458442Y (en) * | 2000-11-20 | 2001-11-07 | 协禧电机股份有限公司 | DC brushless fan spindle bumper |
| CN2625958Y (en) * | 2003-05-14 | 2004-07-14 | 元山科技工业股份有限公司 | Shock suction and combination device for heatradiating fan and baseplate |
| CN1584340A (en) * | 2003-08-20 | 2005-02-23 | 建准电机工业股份有限公司 | Series mold set of radiating fan |
| CN2720777Y (en) * | 2004-06-21 | 2005-08-24 | 鸿富锦精密工业（深圳）有限公司 | Radiating device |
| CN1807900A (en) * | 2005-01-17 | 2006-07-26 | 奇鋐科技股份有限公司 | Fan module |
| DE202005005939U1 (en) * | 2005-04-13 | 2005-06-16 | Thoma, Peter | Vibration damped mounting for equipment especially cooling fan inside PC has an elastic mounting frame between the item and the mounting plate |
| CN2934684Y (en) * | 2006-08-01 | 2007-08-15 | 建凖电机工业股份有限公司 | Vibration-proof structure of tandem fan |
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| Publication number | Publication date |
|---|---|
| CN101117969A (en) | 2008-02-06 |
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Address after: The new Taiwan China Ya Lu Kaohsiung City No. 30 Lane 296 Patentee after: Sunonwealth Electric Machine Industry Co.,Ltd. Address before: Are Chinese Taiwan 802 Kaohsiung City No. 120 Lingya District 12 floor Patentee before: Sunonwealth Electric Machine Industry Co.,Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101229 |
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| CF01 | Termination of patent right due to non-payment of annual fee |