CN202385443U - Wind guiding blades capable of realizing uniform heat dissipation of power cabinet - Google Patents
Wind guiding blades capable of realizing uniform heat dissipation of power cabinet Download PDFInfo
- Publication number
- CN202385443U CN202385443U CN2011205244413U CN201120524441U CN202385443U CN 202385443 U CN202385443 U CN 202385443U CN 2011205244413 U CN2011205244413 U CN 2011205244413U CN 201120524441 U CN201120524441 U CN 201120524441U CN 202385443 U CN202385443 U CN 202385443U
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- wind
- power cabinet
- guide vane
- wind guide
- air inlet
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Abstract
The utility model discloses wind guiding blades capable of realizing the uniform heat dissipation of a power cabinet; a group of wind guiding blades are respectively arranged at an air inlet that each fan faces towards; each group of wind guiding blades at least comprise two blades; and when each blade is blown up by the wind, the inclining angles are different, so that the wind guiding capability is realized. According to the wind guiding blades, the turning angle of the wind can be effectively reduced when the wind is subjected to local resistance, the reduction of the wind speed is mitigated, the wind blown on the surfaces of all heating elements and components is uniform when the power cabinet works, the overall heat dissipation effect in the power cabinet can be improved, the aging of the elements and the component caused by heat accumulation is effectively prevented, so that the power cabinet works more safely and more reliably.
Description
Technical field
The utility model relates to a kind of wind guide vane of realizing each element Homogeneouslly-radiating in the power cabinet, makes power cabinet in the process of operation, and the wind speed that each components and parts surface that generates heat is blown over is even, belongs to electrical technology field.
Background technology
In view of the large current characteristic of power cabinet can produce a large amount of heat, long-term accumulated can cause in the power cabinet heating components and parts such as controllable silicon to burn out.Therefore in power cabinet, must be provided with stable cooling system, just can the operation steady in a long-term of guaranteed output cabinet.As shown in Figure 1, power cabinet is that heating components and parts 1 are placed air channel 2 usually, with air flow in the big capacity blower fan 3 acceleration air channels 2, the heat that heating components and parts 1 distribute is seen off by air outlet 4.
Be the reliability of guaranteed output cabinet internal heat generation components and parts heat radiation, the two blower fans of configuration in power cabinet normally have only typhoon machine operation usually, and an other typhoon machine is as subsequent use.For preventing the appearance of the situation of leaking out; Influence radiating effect, need be in the air channel 2 air inlet 5 places establish an air port and switch blade 6, when a fan operation; Blade 6 is switched in the air port can swing to the other end under the blast effect; Thereby play 2 effects of airtight air channel, the blower fan oral area of having avoided wind never to move is missed, and helps the heat radiation of components and parts in the whole air channel.
Though switching the blade mode, existing air port can prevent effectively that the situation of leaking out from occurring, and also exists some problems simultaneously.Shown in arrow points among Fig. 1; The wind that blower fan blows out at first directly blows on the heating components and parts at position a place through air inlet 5, receives vertical local resistance to change direction then, and b, d disperse to both sides through the position; Arrive the both sides, air channel, receive once more vertical local resistance break-in through the position c, e to air outlet.Can be found out that by Fig. 2 the wind speed at position a place is the highest, heat dispersion is best; The a place in the position owing to receive the local resistance influence, causes break-in after the wind speed at position b, d place reduces; B, arrival both sides, air channel, d place receive local resistance to influence the generation break-in to wind once more through the position, and when in-position c, e place, wind speed reduces once more.The wind direction that blade is switched in the air port changes all near 90
o
Because heating components and parts surface wind speed differs greatly, and therefore also can cause its radiating efficiency that very big-difference is arranged.The radiating effect that the components and parts surface wind speed is little is poor, and aging speed is very fast, needs in time to change, otherwise will make power cabinet have certain potential safety hazard.
The utility model content
The utility model technical problem to be solved provides a kind of wind guide vane of realizing each components and parts Homogeneouslly-radiating in the power cabinet, and each element ability Homogeneouslly-radiating avoids occurring the problem of individual metablocks device because of radiating effect difference easy ageing in the guaranteed output cabinet.
For solving the problems of the technologies described above; The utility model provides a kind of wind guide vane of realizing the power cabinet Homogeneouslly-radiating; It is characterized in that, every typhoon machine towards the air inlet place one group of wind guide vane is set respectively, comprise two blades at least in every group of said wind guide vane.
Comprise two typhoon machines in the power cabinet, two groups of said wind guide vanes be symmetricly set on respectively said two typhoon machines towards said air inlet place.
Comprise four blades that stiff end is horizontal word order in every group of said wind guide vane.
Three fixed axis that are used for fixing said four vanes fixed ends are set, wherein, are fixed on the same said fixed axis near the stiff end of two blades of inboard.
Said three fixed axis are divided into four sections with the air inlet at place, and said four blades lead to tackling the wind that each section air inlet blows into respectively.
Blade near the outside is 30-40 ° by wind time-out and horizontal plane angle through air inlet, and rest blade is 70-80 ° by wind time-out and the horizontal plane angle through air inlet.
Lee face every said blade lean angle position is provided with position-limitting pin.
It is the wind guide vane that possesses the wind guide function that the utility model switches Blade Design with air port of the prior art, and the wind guide vane comprises the little blade of several piece.When every blade was blown up, the angle of inclination was different, had therefore possessed the wind guidance capability.
Because wind produces break-in when receiving local resistance, the break-in angle is big more, and air loss is big more; Wind speed reduces also the fastest; Therefore, under the constant situation of the design of power of fan, air channel and heat radiation elements, reduce wind changes direction when receiving local resistance angle; Can effectively suppress reducing of wind speed, improve the radiating efficiency of power cabinet components and parts.The wind guide vane can effectively reduce the break-in angle of wind when receiving local resistance, reduces the reduction of wind speed, thereby improves the radiating effect of power cabinet internal heat generation components and parts.
The beneficial effect of the utility model:
The utility model provides a kind of wind guide vane of realizing power cabinet internal heat generation components and parts Homogeneouslly-radiating; Can effectively reduce the break-in angle of wind when receiving local resistance, reduce the reduction of wind speed, the guaranteed output cabinet is in the process of operation; The wind speed that each components and parts surface that generates heat is blown over is even; Can improve radiating effect whole in the power cabinet, effectively prevent the component aging that heat history causes, ensure the more safe and reliable operation of power cabinet.
Description of drawings
Fig. 1 is that the blade sketch map is switched in the power cabinet air port in the prior art;
Fig. 2 is the wind guide vane sketch map of the utility model;
Fig. 3 is the track sketch map behind the wind process wind guide vane;
Fig. 4 is the Lower Half enlarged drawing of Fig. 2.
Embodiment
Below in conjunction with accompanying drawing the utility model is further described.Following examples only are used for more clearly explaining the technical scheme of the utility model, and can not limit the protection range of the utility model with this.
As shown in Figure 2, the utility model provides a kind of wind guide vane of realizing the power cabinet Homogeneouslly-radiating.
Heating components and parts 1 place air channel 2 in the power cabinet, with air flow in the big capacity blower fan 3 acceleration air channels 2, the heat that heating components and parts 1 distribute are seen off by air outlet 4.The two blower fans of configuration normally have only typhoon machine operation in the power cabinet, and an other typhoon machine is as subsequent use.In the air channel 2 air inlet 5 places establish wind guide vane 10, two typhoon machines towards air inlet 5 places be symmetrical set two groups of wind guide vanes 10.At least comprise two blades in every group of wind guide vane 10.In the present embodiment four little blades 11,12,13,14.Through emulation and test of many times; Preferable scheme is that blade 11 is 30-40 ° by wind time-out and horizontal plane angle through air inlet 5; Blade 12,13,14 is 70-80 ° by wind time-out and the horizontal plane angle through air inlet 5; Under such design angle, the wind guidance capability improves the most obvious, and the heat dispersion of corresponding power cabinet improves also the most remarkable.
Shown in arrow points among Fig. 3, through the wind in air inlet 5 entering air channels 2, wind direction changes wind when running into local resistance through the track behind the blade, but the break-in angle is all much smaller than 90
o, and the wind direction variation that blade is switched in the big air port of a slice in the prior art is all near 90
o, therefore, to compare air port of the prior art and switch blade, the wind that gets into air channel 2 through the blade of the utility model is more even, and wind speed deceleration effect is not obvious relatively, more helps the heat radiation of power cabinet heating components and parts.
Angle of inclination when being blown up for assurance wind guide vane meets the requirements, and can on blade 11,12,13,14 optimum tilt angle position lee faces, position-limitting pin 15 be set respectively, can reach the wind guide effect of expectation, and is as shown in Figure 4.
The above only is the preferred implementation of the utility model; Should be understood that; For those skilled in the art; Under the prerequisite that does not break away from the utility model know-why, can also make some improvement and distortion, these improvement and distortion also should be regarded as the protection range of the utility model.
Claims (7)
1. the wind guide vane that can realize the power cabinet Homogeneouslly-radiating is characterized in that, every typhoon machine towards the air inlet place one group of wind guide vane is set respectively, comprise two blades at least in every group of said wind guide vane.
2. the wind guide vane of realizing the power cabinet Homogeneouslly-radiating according to claim 1 is characterized in that, comprises two typhoon machines in the power cabinet, two groups of said wind guide vanes be symmetricly set on respectively said two typhoon machines towards said air inlet place.
3. the wind guide vane of realizing the power cabinet Homogeneouslly-radiating according to claim 1 and 2 is characterized in that, comprises four blades that stiff end is horizontal word order in every group of said wind guide vane.
4. the wind guide vane of realizing the power cabinet Homogeneouslly-radiating according to claim 3; It is characterized in that; Three fixed axis that are used for fixing said four vanes fixed ends are set, wherein, are fixed on the same said fixed axis near the stiff end of two blades of inboard.
5. the wind guide vane of realizing the power cabinet Homogeneouslly-radiating according to claim 4 is characterized in that, said three fixed axis are divided into four sections with the air inlet at place, and said four blades lead to tackling the wind that each section air inlet blows into respectively.
6. the wind guide vane of realizing the power cabinet Homogeneouslly-radiating according to claim 3; It is characterized in that; Blade near the outside is 30-40 ° by wind time-out and horizontal plane angle through air inlet, and rest blade is 70-80 ° by wind time-out and the horizontal plane angle through air inlet.
7. the wind guide vane of realizing the power cabinet Homogeneouslly-radiating according to claim 2 is characterized in that, the lee face every said blade lean angle position is provided with position-limitting pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205244413U CN202385443U (en) | 2011-12-15 | 2011-12-15 | Wind guiding blades capable of realizing uniform heat dissipation of power cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205244413U CN202385443U (en) | 2011-12-15 | 2011-12-15 | Wind guiding blades capable of realizing uniform heat dissipation of power cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202385443U true CN202385443U (en) | 2012-08-15 |
Family
ID=46633908
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205244413U Expired - Lifetime CN202385443U (en) | 2011-12-15 | 2011-12-15 | Wind guiding blades capable of realizing uniform heat dissipation of power cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202385443U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106376300A (en) * | 2016-08-25 | 2017-02-08 | 山东理工大学 | Grain harvester cleaning fan |
| CN111082327A (en) * | 2019-12-13 | 2020-04-28 | 北京博大光通物联科技股份有限公司 | Power distribution cabinet |
| CN111885882A (en) * | 2020-07-15 | 2020-11-03 | 国电南瑞科技股份有限公司 | Fully-closed power electronic equipment radiating shell |
-
2011
- 2011-12-15 CN CN2011205244413U patent/CN202385443U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106376300A (en) * | 2016-08-25 | 2017-02-08 | 山东理工大学 | Grain harvester cleaning fan |
| CN111082327A (en) * | 2019-12-13 | 2020-04-28 | 北京博大光通物联科技股份有限公司 | Power distribution cabinet |
| CN111082327B (en) * | 2019-12-13 | 2022-04-15 | 北京博大光通物联科技股份有限公司 | Power distribution cabinet |
| CN111885882A (en) * | 2020-07-15 | 2020-11-03 | 国电南瑞科技股份有限公司 | Fully-closed power electronic equipment radiating shell |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120815 |
|
| CX01 | Expiry of patent term |