CN108282988A - A kind of heat exchanging air duct system for power control cabinet - Google Patents
A kind of heat exchanging air duct system for power control cabinet Download PDFInfo
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- CN108282988A CN108282988A CN201810266345.XA CN201810266345A CN108282988A CN 108282988 A CN108282988 A CN 108282988A CN 201810266345 A CN201810266345 A CN 201810266345A CN 108282988 A CN108282988 A CN 108282988A
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- Prior art keywords
- outlet
- wind
- cabinet
- duct
- power control
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Classifications
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
- H05K7/20136—Forced ventilation, e.g. by fans
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The present invention relates to a kind of heat exchanging air duct systems for power control cabinet,Belong to power control cabinet heat extraction wind-guiding technical field,Including heat exchanger,The Z-shaped bending air duct in longitudinal section and at least two-stage horizontal duct,Heat exchanger is by blowing mouth to being sent into cold wind inside cabinet,And hot wind is pumped to cabinet outside by inlet scoop,Bending air duct includes wind feeding section,Changeover portion and wind outlet section,The outlet end of the wind outlet section is the main air outlet in bending air duct,The changeover portion is equipped with time air outlet,The arrival end height of rear class horizontal duct is less than the outlet end height of prime horizontal duct,The present invention is exported by multiple cold wind,Ensure that cold wind can be admitted to the different zones of cabinet,Improve cooling scavenging efficiency,Structure novel,In addition,At least two-stage horizontal duct can be monolithically integrated in the bottom surface or side of cabinet,The use of cabinet inner space is not influenced,Heat exchange suitable for all kinds of sealing power control cabinets cools down,High financial profit,It is highly practical.
Description
Technical field
The invention belongs to power control cabinet heat extraction wind-guiding technical fields, relate in particular to a kind of heat exchanging air duct for power control cabinet
System.
Background technology
With New Energy Industry, the materials such as crystal silicon material, semiconductor, magnetic material and sapphire is driven to cut industry
Rapid development, corresponding cutting equipment application field is increasingly extensive, to propose higher want to dust-proof, the heat dissipation of power control cabinet
It asks.Currently, a large amount of cutting processing environment there are humidity it is big, dust is more phenomena such as, power control cabinet needs high-protection level.Power control cabinet
Hermetically sealed mode is taken at dust-proof aspect, air-conditioning and exhaust fan mechanism are used in terms of heat dissipation, still, using air-conditioning heat dissipation pole
Condensed water easily is generated because the temperature difference is big, electrical equipment short circuit is caused even to damage.
To prevent from generating condensed water in cabinet, air-conditioning is substituted using heat exchanger at present.Heat exchanger is mounted on outside power control cabinet
Side, lower outlet are blown a cold wind in cabinet, and upper outlet reduces to realize air circulation in cabinet in cabinet from cabinet interior suction hot wind
Temperature.But heat exchanger is limited to self structure and can only realize effective heat exchange in heat exchanger nearside, and it is empty to there is heat exchange
Between small, problem that heat transfer effect is poor, lead to that automatically controlled in-cabinet temperature is high and heat exchanger is persistently operated at full capacity, cause energy consumption
The problems such as high, temperature high point is alarmed.
Invention content
For various deficiencies of the prior art, to solve the above-mentioned problems, on the basis of maintaining power control cabinet original structure,
Inventor adds heat exchanging air duct system in the bottom surface of cabinet or side, the side being combined with multistage horizontal duct using bending air duct
Simultaneously multiple cold wind outlets are arranged in formula, have not only made full use of the idle space inside cabinet, but also achieve significant heat transfer effect.
To achieve the above object, the present invention provides the following technical solutions：
A kind of heat exchanging air duct system for power control cabinet, including：
Heat exchanger is located on the outside of the cabinet of power control cabinet, by the blowing mouth positioned at bottom of cabinet bulk to inside cabinet
It is sent into cold wind, and hot wind is pumped to cabinet outside by the inlet scoop at the top of cabinet；
The Z-shaped bending air duct in longitudinal section comprising wind feeding section, changeover portion and wind outlet section, the arrival end of the wind feeding section
Face blowing mouth is arranged, and the changeover portion is arranged along vertical direction, and top is connected to the outlet end of wind feeding section, bottom and
The arrival end of wind outlet section is connected to, and the outlet end of the wind outlet section is the main air outlet in bending air duct, and main air outlet is along level
Direction and to the direction outlet air far from blowing mouth, the changeover portion is equipped with time air outlet；
And at least two-stage horizontal duct, the arrival end of rear class horizontal duct are connected to the outlet end of prime horizontal duct,
And the arrival end height of rear class horizontal duct is less than the outlet end height of prime horizontal duct, is located at the horizontal duct of most prime
Arrival end is connected to main air outlet.
Further, the wind feeding section and wind outlet section are set as arc structure.
Further, the deflector being connected with changeover portion is equipped at the secondary air outlet, the deflector is lower flow-guiding structure,
There are the gaps for time air outlet between its bottom and changeover portion.
Further, the height of the secondary air outlet is the 1/5~1/3 of blowing open height, and the height of the main air outlet is extremely
Few is 2 times of time outlet air open height.
Further, the arrival end height of rear class horizontal duct is the 2/3~4/5 of the outlet end height of prime horizontal duct.
Further, detachably connect between the bending air duct and most prime horizontal duct and adjacent two-stage horizontal duct
It connects, and junction is equipped with rubber pad.
Further, at least two-stage horizontal duct is located at the bottom surface or side of cabinet.
Further, the horizontal duct is equipped with 2-5 grades.
The beneficial effects of the invention are as follows：
Using bending air duct in such a way that multistage horizontal duct is combined, the cold wind that heat exchanger is provided is sent into cabinet
Portion, meanwhile, by main air outlet, the height of the outlet end of secondary air outlet, the arrival end of rear class horizontal duct and prime horizontal duct
Degree difference forms multiple cold wind outlets, ensures that cold wind can be admitted to the different zones of cabinet, improves cooling scavenging efficiency, and structure is new
Grain husk does not influence the use of cabinet inner space in addition, at least two-stage horizontal duct can be monolithically integrated in the bottom surface or side of cabinet,
Heat exchange suitable for all kinds of sealing power control cabinets cools down, and high financial profit is highly practical.
Description of the drawings
Fig. 1 is the overall structure diagram of the present invention；
Fig. 2 is bending air duct and horizontal duct combination schematic diagram.
In attached drawing：1- cabinets, 2- heat exchangers, 3- blowing mouths, the inlet scoops 4-, 5- bendings air duct, 501- wind feeding sections, 502-
Changeover portion, 503- wind outlet sections, the outlet end of 504- wind feeding sections, 6- horizontal ducts, 7- horizontal ducts, 8- horizontal ducts, 9- are electrical
Element, 10- deflectors, 11- main air outlets, 12- air outlet, the first air outlets of 13-, the second air outlets of 14-；
Arrow direction indicates wind direction in Fig. 1-Fig. 2.
Specific implementation mode
It is right with reference to the attached drawing of the present invention in order to make those skilled in the art more fully understand technical scheme of the present invention
Technical scheme of the present invention carries out clear, complete description, and based on the embodiment in the application, those of ordinary skill in the art exist
The other similar embodiments obtained under the premise of not making creative work, shall fall within the protection scope of the present application.
In addition, the direction word mentioned in following embodiment, such as "upper" "lower" " left side " " right side " etc. are only the directions of refer to the attached drawing, because
This, the direction word used is for illustrative and not limiting the invention.
Embodiment one：
As shown in Figs. 1-2, a kind of heat exchanging air duct system for power control cabinet, including the cabinet 1 of power control cabinet, heat exchanger 2,
Bending air duct 5 and horizontal duct.Electrical equipment 9 is equipped in the cabinet 1, bottom offers blowing mouth 3, and top offers
Inlet scoop 4.The heat exchanger 2 is located at the outside of cabinet 1, by blowing mouth 3 to being sent into cold wind inside cabinet 1, and passes through suction
Hot wind is pumped in air port 4 to 1 outside of cabinet, to form air circulation inside cabinet 1, reaches cooling ventilation effect.
In order to expand heat transfer space, improve heat transfer effect, inventor is by bending air duct 5 and horizontal duct, by heat exchange
The cold wind that device 2 provides is sent into inside cabinet 1.Preferably, the longitudinal section in the bending air duct 5 is Z-shaped comprising wind feeding section
501, changeover portion 502 and wind outlet section 503,504 face blowing mouth 3 of the arrival end setting of the wind feeding section, for introducing cold wind
Bending air duct 5, the changeover portion 502 are arranged along vertical direction, for changing the transmission direction of cold wind, meanwhile, the inlet air
Section 501 and wind outlet section 503 are set as arc structure, to reduce windage.The outlet at the changeover portion 502 top and wind feeding section 501
End connection, bottom are connected to the arrival end of wind outlet section 503, and the outlet end of the wind outlet section 503 is the main outlet air in bending air duct 5
Mouthfuls 11, and main air outlet 11 is along horizontal direction and to the direction outlet air far from blowing mouth 3, in addition, being set on the changeover portion 502
There is secondary air outlet 12, in order to avoid the cold wind blown out from time air outlet 12 is directly siphoned away by heat exchanger 2 by inlet scoop 4, institute
It is lower flow-guiding structure to state deflector 10, i.e., the top of deflector 10 is connected with changeover portion 502, between bottom and changeover portion 502
There are for time gap of 12 outlet air of air outlet.
In order to effectively control the air output of main air outlet 11 and time air outlet 12, the height of secondary air outlet 12 is set as drying
The height of main air outlet 11 is set at least to 2 times of time 12 height of air outlet by the 1/5~1/3 of 3 height of mouth.That is, from
The major part that blowing mouth 3 imports cold wind flows through main air outlet 11, and only fraction flows through time air outlet 12 and is directly entered cabinet
Body 1, to leaning on the electrical equipment 9 of 2 side of heat exchanger to cool down in cabinet 1.
The cold wind for flowing through main air outlet 11 reaches inside horizontal duct, and the horizontal duct is at least provided with 2 grades, preferably 2-
5 grades.Arrival end positioned at the horizontal duct of most prime is connected to main air outlet 11, for cold wind to be imported inside horizontal duct,
The arrival end of rear class horizontal duct is connected to the outlet end of prime horizontal duct, i.e., adjacent two-stage horizontal duct is connected.In order to
Ensure that cold wind can be admitted to the different zones of cabinet 1, the arrival end height of rear class horizontal duct is set smaller than by inventor
The outlet end height of prime horizontal duct, the i.e. arrival end of rear class horizontal duct and the outlet end of prime horizontal duct form height
Difference, that is to say, that the outlet end of prime horizontal duct is divided into the first air outlet 13 and the second air outlet 14, from prime level
The cold wind of air duct blowout is divided into two parts, wherein a part flows through the first air outlet 13 and enters in rear class horizontal duct, another portion
Shunting is directly entered cabinet 1 through the second air outlet 14, cools down to the electrical equipment 9 positioned at the region.Preferably, rear class
The arrival end height of horizontal duct is the 2/3~4/5 of the outlet end height of prime horizontal duct, that is to say, that from prime level
Most of cold wind of air duct blowout enters rear class horizontal duct.
In the present embodiment, horizontal duct includes horizontal duct 6, horizontal duct 7 and horizontal duct 8, wherein horizontal duct 6
Arrival end be connected to main air outlet 11, the outlet end of horizontal duct 8 close to side of the cabinet 1 far from heat exchanger 2, meanwhile,
Horizontal duct 6, horizontal duct 7 outlet end be divided into the first air outlet 13 and the second air outlet 14, and main air outlet 11, it is secondary go out
The outlet end of air port 12,2 the first air outlets, 13,2 the second air outlets 14 and horizontal duct 8 is used as cold wind to export, and borrows
Help multiple cold wind outlets that cold wind is sent into the different zones of cabinet 1, squeezing electrical equipment 9 into the cold wind inside cabinet 1 generates
Hot-air, so that hot-air is risen to the top of cabinet 1, hot-air is pumped to heat exchanger 2 by heat exchanger 2 by inlet scoop 4
It is internal simultaneously cooling, the circulatory system of hot and cold gas is formed, realizes that power control cabinet integrally cool down ventilation purpose, improves cooling ventilation and imitates
Rate, structure novel.In some other embodiment, horizontal duct can be accordingly increased or decreased according to the inner space of cabinet 1
The length of series and horizontal duct.
In addition, be detachably connected between the bending air duct 5 and most prime horizontal duct and adjacent two-stage horizontal duct,
And junction is equipped with rubber pad, easy to repair and dismounting.In the present embodiment, at least two-stage horizontal duct is located at cabinet 1
Bottom surface, in some other embodiment, horizontal duct may be additionally located at the side of cabinet 1, be made to 1 inner space of cabinet with reducing
With influence, meanwhile, the heat exchanging air duct system is applicable to the heat exchange cooling of all kinds of sealing power control cabinets, such as numerical control machine tool electric control cabinet
(case), communication apparatus power control cabinet (case), programme-controlled exchange, heavy-duty machinery operation and control cabinet (case), measuring instrument switch board (case),
Electric machining Mechanical course cabinet (case) etc., high financial profit is highly practical.
The present invention is described in detail above, described above, only the preferred embodiments of the invention, when cannot
Limit the scope of the present invention, i.e., it is all according to the made equivalent changes and modifications of the application range, it all should still belong to covering scope of the present invention
It is interior.
Claims (8)
1. a kind of heat exchanging air duct system for power control cabinet, which is characterized in that including：
Heat exchanger is located on the outside of the cabinet of power control cabinet, by the blowing mouth positioned at bottom of cabinet bulk to being sent into inside cabinet
Cold wind, and hot wind is pumped to cabinet outside by the inlet scoop at the top of cabinet；
The Z-shaped bending air duct in longitudinal section comprising wind feeding section, changeover portion and wind outlet section, the arrival end face of the wind feeding section
Blowing mouth is arranged, and the changeover portion is arranged along vertical direction, and top is connected to the outlet end of wind feeding section, bottom and outlet air
The arrival end connection of section, the outlet end of the wind outlet section is the main air outlet in bending air duct, and main air outlet is along horizontal direction
And to the direction outlet air far from blowing mouth, the changeover portion is equipped with time air outlet；
And at least two-stage horizontal duct, the arrival end of rear class horizontal duct are connected to the outlet end of prime horizontal duct, and after
The arrival end height of grade horizontal duct is less than the outlet end height of prime horizontal duct, is located at the entrance of the horizontal duct of most prime
End is connected to main air outlet.
2. a kind of heat exchanging air duct system for power control cabinet according to claim 1, which is characterized in that the wind feeding section and
Wind outlet section is set as arc structure.
3. a kind of heat exchanging air duct system for power control cabinet according to claim 1, which is characterized in that the secondary air outlet
Locate to be equipped with the deflector being connected with changeover portion, the deflector is lower flow-guiding structure, and there are for secondary between bottom and changeover portion
The gap of air outlet.
4. according to a kind of any heat exchanging air duct systems for power control cabinet of claim 1-3, which is characterized in that described time
The height of air outlet is the 1/5~1/3 of blowing open height, and the height of the main air outlet is at least 2 times of time outlet air open height.
5. a kind of heat exchanging air duct system for power control cabinet according to claim 4, which is characterized in that rear class horizontal duct
Arrival end height be prime horizontal duct outlet end height 2/3~4/5.
6. a kind of heat exchanging air duct system for power control cabinet according to claim 5, which is characterized in that the bending air duct
It is detachably connected between most prime horizontal duct and adjacent two-stage horizontal duct, and junction is equipped with rubber pad.
7. a kind of heat exchanging air duct system for power control cabinet according to claim 5, which is characterized in that at least two-stage
Horizontal duct is located at the bottom surface or side of cabinet.
8. a kind of heat exchanging air duct system for power control cabinet according to claim 7, which is characterized in that the horizontal duct
Equipped with 2-5 grades.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810266345.XA CN108282988B (en) | 2018-03-28 | 2018-03-28 | Heat exchange air duct system for electric control cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810266345.XA CN108282988B (en) | 2018-03-28 | 2018-03-28 | Heat exchange air duct system for electric control cabinet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108282988A true CN108282988A (en) | 2018-07-13 |
| CN108282988B CN108282988B (en) | 2023-10-13 |
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ID=62810774
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810266345.XA Active CN108282988B (en) | 2018-03-28 | 2018-03-28 | Heat exchange air duct system for electric control cabinet |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109757085A (en) * | 2019-01-25 | 2019-05-14 | 西南石油大学 | Tapered gradual-enlargement type forced air cooling system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| Publication number | Publication date |
|---|---|
| CN108282988B (en) | 2023-10-13 |
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