CN217363623U - Inverter cabinet air duct and inverter - Google Patents
Inverter cabinet air duct and inverter Download PDFInfo
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- CN217363623U CN217363623U CN202220707197.2U CN202220707197U CN217363623U CN 217363623 U CN217363623 U CN 217363623U CN 202220707197 U CN202220707197 U CN 202220707197U CN 217363623 U CN217363623 U CN 217363623U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/56—Power conversion systems, e.g. maximum power point trackers
Abstract
The utility model is suitable for an inverter technical field provides an inverter cabinet wind channel and dc-to-ac converter, and inverter cabinet wind channel includes the rack, is equipped with wind channel, interior storehouse and outer storehouse in the rack, and the wind channel includes to get into the rack middle part and get into downwards by first air intake the first wind channel in outer storehouse is passed through by the second air intake the both sides of rack get into downwards the second wind channel in outer storehouse reaches the inner loop wind channel that is located interior storehouse to all be equipped with the air outlet in rack bottom and the position that interior storehouse and outer storehouse correspond. Compared with the existing inverter cabinet air duct, the second air inlets positioned on the two side walls of the cabinet are added, the air inlet area is increased, and compared with the existing inverter cabinet air duct which is only provided with the air outlet at the corresponding position of the outer bin, the air outlet area is increased, so that the air inlet and the air outlet are smoother; in addition, the heat dissipation problem of each power device in the cabinet is effectively solved through reasonable air duct layout.
Description
Technical Field
The utility model belongs to the technical field of the dc-to-ac converter, especially, relate to an inverter cabinet wind channel and dc-to-ac converter.
Background
For the cabinet provided with the heating device, in order to ensure the effective operation of the heating device, a ventilation opening connected with an external cooler environment is usually arranged inside the cabinet. For example, in a large photovoltaic power station, a photovoltaic inverter is used as an interface device of a solar power generation system and a power grid, the large photovoltaic power station evaluates the gradual realization of internet surfing, and the demand for higher power of the photovoltaic grid-connected inverter is increasingly strong, so that a cabinet provided with electric devices is required to be cooled.
The front door and the rear door of the existing inverter cabinet are provided with air inlets, the air outlet is arranged at the bottom of the cabinet, the area of the air inlets and the area of the air outlet are smaller, and the air inlets and the air outlets are not smooth, so that the heat dissipation effect of the air duct of the cabinet is reduced. In addition, the two-phase flow radiators and the fans on two sides of the existing cabinet are arranged on the outer side of the cabinet, so that two fixing devices need to be additionally arranged on the outer side of the cabinet, the transverse size of the cabinet is increased, and the overall size of the whole cabinet is large.
SUMMERY OF THE UTILITY MODEL
An embodiment of the utility model provides an inverter cabinet wind channel aims at solving the poor problem of current inverter cabinet wind channel radiating effect.
The embodiment of the utility model provides a realize like this, provide an inverter cabinet wind channel, include:
a cabinet;
an air duct is arranged in the cabinet;
an inner bin and an outer bin are arranged below the cabinet;
the cabinet is provided with an air inlet and an air outlet which are connected with the outer bin;
the air inlet includes: the first air inlets are respectively positioned at the front door and the rear door of the cabinet, and the second air inlets are respectively positioned at two opposite side walls of the cabinet;
the positions of the bottom of the machine cabinet, which correspond to the inner bin and the outer bin, are provided with the air outlets;
the wind channel includes: the first air channel enters air from the first air inlet and enters the outer bin downwards, the second air channel enters air from the second air inlet and enters the outer bin downwards, and the internal circulation air channel is positioned in the inner bin.
Still further, still include: locate the first fan group and the second fan group that the rack top set up side by side, and locate the third fan group of rack both sides.
Furthermore, an air partition plate is arranged between the first fan set and the second fan set.
Furthermore, the first fan set and the second fan set both comprise a first side fan set and a second side fan set, and the first side fan set and the second side fan set are symmetrically arranged.
Furthermore, the third fan set comprises an upper layer fan set and a lower layer fan set, the upper layer fan set and the lower layer fan set are arranged in a staggered mode, the upper layer fan set is arranged corresponding to the second air inlet, and the lower layer fan set is arranged corresponding to the inner bin.
Furthermore, a funnel channel is arranged at the bottom of the upper layer fan unit to be communicated with the outer bin.
Still further, still include: the first fan set comprises a plurality of first heat exchangers arranged on the inner side of the first fan set, and a plurality of second heat exchangers arranged on the inner side of the second fan set, wherein the first heat exchangers and the second heat exchangers are arranged in parallel.
Still further, still include: and the upper layer fan set is arranged on the inner side of the third heat exchanger, and the lower layer fan set is positioned on the outer side of the third heat exchanger.
Furthermore, the air inlet device also comprises an air inlet bent pipe which is connected with the cabinet and is arranged at the first air inlet.
The embodiment of the utility model provides a still provide an inverter, include foretell inverter cabinet wind channel and locate main power device in the rack.
The utility model discloses dc-to-ac converter rack wind channel, including the rack, be equipped with wind channel, interior storehouse and outer storehouse in the rack, the wind channel includes by first air intake air to rack middle part and get into downwards the first wind channel in outer storehouse is passed through by the second air intake the both sides of rack get into downwards the second wind channel in outer storehouse to and be located the inner loop wind channel in interior storehouse, and all be equipped with the air outlet in rack bottom and interior storehouse and the position that the outer storehouse corresponds. Compared with the existing inverter cabinet air duct, the second air inlets positioned on the two side walls of the cabinet are added, the air inlet area is increased, and compared with the existing inverter cabinet air duct which is only provided with the air outlet at the corresponding position of the outer bin, the air outlet area is increased, so that the air inlet and the air outlet are smoother; in addition, the heat dissipation problem of each power device in the cabinet is effectively solved through reasonable air duct layout.
Drawings
Fig. 1 is a schematic structural diagram of an inverter cabinet in the prior art;
fig. 2 is a schematic front structural diagram of an inverter cabinet according to an embodiment of the present invention;
fig. 3 is a schematic side view of an inverter cabinet according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of an inverter according to an embodiment of the present invention;
FIG. 5 is an enlarged partial view of the first air chute of FIG. 4;
fig. 6 is a schematic structural diagram of an inverter side wall according to an embodiment of the present invention;
fig. 7 is a schematic structural diagram of a second air duct of the side wall of the inverter according to the embodiment of the present invention;
fig. 8 is a schematic structural diagram of an inner bin duct of an inverter according to an embodiment of the present invention;
fig. 9 is a schematic structural diagram of the first side fan unit according to the embodiment of the present invention.
Description of the reference numerals
1. A cabinet; 11. a first air inlet; 12. a second air inlet; 13. an air outlet; 14. a direct current bin; 15. an inductance bin; 16. an exchange bin; 161. a first internal circulation air duct; 162. a second internal circulation air duct; 17. a funnel channel; 18. a wind-proof plate;
21. a first air duct; 22. a second air duct; 23. a first fan unit; 231. a first side fan unit; 2311. a centrifugal fan; 232. a second side fan set; 24. a second fan unit; 25. a third fan unit; 251. an upper layer fan set; 252. a lower layer fan set;
31. a first heat exchanger; 311. a first condenser; 312. a first evaporator;
32. a second heat exchanger;
33. a third heat exchanger; 331. a third condenser; 332. a third evaporator.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The utility model provides an inverter cabinet air duct, compared with the existing inverter cabinet air duct, the second air inlets positioned on the two side walls of the cabinet are added, the air inlet area is increased, and compared with the existing inverter cabinet air duct, the air outlet is arranged at the position corresponding to the outer bin only, the air outlet corresponding to the inner bin at the bottom of the cabinet is added, so that the air inlet and outlet are smoother; in addition, the heat dissipation problem of each power device in the cabinet is effectively solved through reasonable air duct layout.
Example one
As shown in fig. 2 to 7, the present embodiment provides an inverter cabinet duct, including:
a cabinet 1;
an air duct is arranged in the machine cabinet 1;
an inner bin and an outer bin are arranged below the cabinet 1;
an air inlet and an air outlet which are connected with the outer bin are arranged on the cabinet 1;
the air intake includes: the first air inlets 11 are respectively positioned at the front door and the rear door of the cabinet 1, and the second air inlets 12 are respectively positioned at two opposite side walls of the cabinet 1;
the wind channel includes: a first air duct 21 which is fed by the first air inlet 11 and enters the outer bin downwards, a second air duct 22 which is fed by the second air inlet 12 and enters the outer bin downwards, and an internal circulation air duct which is positioned in the inner bin.
In this embodiment, the upper portion of the front door of the cabinet 1 is provided with 2 first air inlets 11, and the upper portion of the rear door of the cabinet 1 is provided with 2 first air inlets 11. Two side walls of the cabinet 1 are respectively provided with a second air inlet 12.
Furthermore, the first air inlets 11 are provided with air inlet bent pipes connected with the cabinet 1. In the present embodiment, the outside cold air enters the first air duct 21 through the first air inlet 11 through the air inlet bent pipes located at the front door and the rear door.
In the present embodiment, the first air duct 21 and the second air duct 22 are external bin air ducts. The outer bin is inductance bin 15, and there are 2 first wind channels 21, be the wind channel that gets into the rack and blow directly downwards and get into inductance bin 15 from 2 first air intakes 11 that are located the qianmen respectively to and get into rack 1 and blow directly and get into the wind channel of inductance bin 15 downwards from 2 first air intakes 11 that are located the back door. It is understood that a plurality of first air inlets may be provided on the front door or the rear door of the cabinet as required, and the embodiment is not limited in detail.
There are 2 second air ducts 22, which are respectively located at two sides of the cabinet 1. Wherein, a second air inlet 12 is respectively arranged above two opposite side walls of the cabinet 1. In this embodiment, the second air inlet 12 is a louver, and air is introduced through the louver located on two side walls of the cabinet 1.
In this embodiment, a main power device is disposed above the cabinet 1. Cold air enters through the first air inlet 11 and the second air inlet 12 and is directly blown into the inductance cabin 15 through the first air duct 21 and the second air duct 22, so that heat is dissipated for the main power device and the inductance cabin 15 below the cabinet.
The inner bin comprises a direct current bin 14 and an alternating current bin 16 which are arranged on two sides of the inductance bin 15, and the direct current bin 14 and the alternating current bin 16 are sealed bin bodies. The internal circulation air duct includes a direct-current cabin internal circulation air duct and an alternating-current cabin internal circulation air duct, and internal circulation of the direct-current cabin 14 and the alternating-current cabin 16 is achieved respectively. The bottom of the cabinet 1 is provided with air outlets 13 at positions corresponding to the inductance bin 15, the direct current bin 14 and the alternating current bin 16. Compared with the original air outlet 13, the area of the air outlet 13 is increased in the embodiment.
In the inverter cabinet air duct of the embodiment, air is introduced into the middle of the cabinet 1 through the first air inlet 11 and enters the inductance bin 15 downward; and the second air inlet 12 enters the inductance bin 15 downwards through two sides of the cabinet 1; the first air duct 21 and the second air duct 22 are both connected with the air outlet 13, and cold air dissipates heat of the inductance bin 15 through the first air duct 21 and the second air duct 22; compared with the existing inverter cabinet air duct, the second air inlets 11 positioned on the two side walls of the cabinet 1 are added, the air inlet area is increased, and the area of the air outlet 13 is increased, so that the air inlet and the air outlet are smoother; the direct current bin 14 and the alternating current bin 16 are divided into a closed front cavity and a closed back cavity, and a sealed internal circulation air duct is formed in the cavities, so that the electromagnetic shielding efficiency is effectively improved; in addition, through reasonable air duct layout, the heat dissipation problem of each power device in the cabinet 1 is effectively solved.
Example two
Referring to fig. 4, on the basis of the first embodiment, the second embodiment of the present invention provides an inverter cabinet air duct, which further includes a first fan set 23 and a second fan set 24 disposed above the cabinet 1 side by side, and a third fan set 25 disposed on both sides of the cabinet 1.
In this embodiment, the first fan set 23 is located at the front door side first air inlet 11, the second fan set 24 is located at the rear door side first air inlet 11, and the first fan set 23 and the second fan set 24 are aligned.
The first fan set 23 and the second fan set 24 respectively suck cold air from the outside through the first air inlets 11 located at the front and rear door sides, and enter the rear of the first fan set 23 and the second fan set 24, that is, the middle of the cabinet 1. The third fan set 25 is located at the position of the second air inlet 12.
Specifically, the first fan group 23 and the second fan group 24 each include a plurality of centrifugal fans. The 2 groups of centrifugal fans arranged on the front door and the rear door suck cold air into the middle of the cabinet 1, on one hand, the cold air is dissipated for a main power device arranged above the cabinet 1, and on the other hand, the cold air can directly blow the lower inductance cabin 15 downwards through the first air duct 21.
The third fan set 25 comprises a plurality of centrifugal fans, and sucks cold air from the outside through the second air inlet 12, enters the two sides of the cabinet, and blows the cold air downwards and directly into the two sides of the inductance bin 15.
In the inverter cabinet air duct of the embodiment, the first fan unit 23 and the second fan unit 24 which are arranged side by side suck cold air passing through the air inlet into the middle of the cabinet 1, and directly blow the cold air into the inductance cabin 15 below; in addition, through the third fan sets 25 positioned on the two sides of the cabinet, outside cold air is sucked through the air inlets, enters the two sides of the cabinet and is blown downwards and directly enters the two sides of the inductance bin 15, and the temperatures of the main power module and the inductance bin 15 are effectively reduced.
EXAMPLE III
As shown in fig. 4, in addition to the second embodiment, the inverter cabinet air duct according to the third embodiment of the present invention is provided, wherein a wind isolation plate 18 is disposed between the first fan group 23 and the second fan group 24.
In this embodiment, the first fan set 23 and the second fan set 24 are arranged in parallel, and the air separation plate 18 is arranged between the first fan set 23 and the second fan set 24, so as to prevent cold air sucked by the first fan set 23 and the second fan set 24 from impacting or interfering with each other to affect the heat dissipation effect.
Further, the inverter cabinet air duct further comprises a plurality of first heat exchangers 31 arranged inside the first fan set 23, and a plurality of second heat exchangers 32 arranged inside the second fan set 24.
In the present embodiment, each of the first heat exchanger 31 and the second heat exchanger 32 has 3, and is arranged in two rows, and both the first heat exchanger 31 and the second heat exchanger 32 are arranged in alignment. Wherein, the first heat exchanger 31 and the second heat exchanger 32 are both vertically arranged. Specifically, the heat exchanger comprises a condenser and an evaporator, and the condenser is arranged above the evaporator. Taking the first heat exchanger 31 as an example, the first heat exchanger 31 includes a first condenser 311 and a first evaporator 312, and the air baffle 18 is arranged from the top end of the first condenser 311 to the end of the first condenser 311, so that the sucked cold air directly blows the first condenser 311, and the first fan unit 23 and the second fan unit 24 are prevented from influencing each other. Specifically, the height of the louver 18 is equal to the height of the first condenser 311.
In this embodiment, the main power device is disposed on the surface of the first evaporator 312, specifically, cold air is sucked from the outside through the first air inlet 11, and directly blows to the first condenser 311 of the first heat exchanger 31 through the first air duct 21, so as to liquefy the refrigerant inside the first condenser 311 and return liquid, thereby absorbing heat of the main power device on the first evaporator 312. And the wind passing through the first evaporator 312 enters the wind channel of the inductance cabin 15 to blow the inductance downwards, and passes through the air outlet 13 below to prevent dust and wind.
It will be appreciated that the second heat exchanger 32 operates on the same principle as the first heat exchanger 31 and will not be described in detail in this embodiment.
The inverter cabinet of this embodiment, through set up air baffle 18 in the middle of first fan group 23 and second fan group 24, avoid mutual interference and influence, in addition, all be equipped with the heat exchanger in the inboard of first fan group 23 and second fan group 24, utilize the effectual heat that reduces the main power device of heat exchanger to directly blow and get into inductance storehouse 15, guarantee the heat dissipation of main power device on the one hand, on the other hand guarantees the heat dissipation of inductance storehouse 15.
Example four
Referring to fig. 4 and 9, on the basis of the second embodiment, the fourth embodiment of the present invention provides an inverter cabinet air duct, wherein the first fan set 23 and the second fan set 24 both include a first side fan set 231 and a second side fan set 232, and the first side fan set 231 and the second side fan set 232 are symmetrically disposed.
In this embodiment, the first side fan unit 231 includes two centrifugal fans 2311 located on the upper layer and two centrifugal fans 2311 located on the lower layer, wherein the centrifugal fans on the upper layer and the lower layer are respectively aligned, and the first air inlet 11 is located between the centrifugal fans on the upper layer and the centrifugal fans on the lower layer.
It can be understood that the second side fan set 232 is identical in structure to the first side fan set 231.
Referring to fig. 5, in this embodiment, cold air is sucked from the outside through the air inlet bent pipes of the 2 first air inlets 11 located at the front door, and directly blows the first condenser 311 of the first heat exchanger 31 through the first air duct 21, so as to liquefy the refrigerant inside the first condenser 311, and make the liquid flow back, thereby absorbing heat of the main power device on the first evaporator 312. The wind passing through the first condenser 311 enters the wind channel of the inductance cabin 15 and directly blows the inductance downwards, and is prevented from dust and wind through the air outlet 13 below.
It can be understood that the air inlet and the heat dissipation of the back door side of the cabinet 1 are also the same, the second fan unit 24 of the back door side and the first fan unit 21 are the same in structure and are symmetrically arranged, the back door is also provided with 2 first air inlets 11, cold air is sucked from the outside through the 2 first air inlets, and the cold air directly blows to the condenser of the second heat exchanger 32 through the first air duct 21 located in the back door, so that the liquefaction and the liquid backflow of the refrigerant in the condenser are completed, and the heat absorption of the main power device on the evaporator is realized. The air passing through the condenser enters the air channel of the inductance cabin 15 to blow the inductance downwards, and is prevented from dust and air out through the air outlet 13 below.
The inverter cabinet air duct symmetrical layout of this embodiment, wherein, two first air ducts 21 symmetry sets up, are located two second air duct symmetrical layouts of rack both sides, are located the symmetrical setting of first fan group 23 and second fan group 24 of front and back door side in addition, and the wiring of being convenient for is beautifully constructed, and this air duct layout has improved the radiating effect.
EXAMPLE five
Referring to fig. 6 and 7, on the basis of the second embodiment, the inverter cabinet air duct according to the fifth embodiment of the present invention is provided, and the third fan set 25 includes an upper fan set 251 and a lower fan set 252; the upper layer fan set 251 and the lower layer fan set 252 are arranged in a staggered mode, the upper layer fan set 251 corresponds to the second air inlet 12, and the lower layer fan set 252 corresponds to the inner bin.
Further, the inverter cabinet wind channel still includes: and the third heat exchangers 33 are arranged on two sides of the cabinet 1. In this embodiment, both sides of the cabinet 1 are provided with the third heat exchanger 33. The third heat exchanger 33 is vertically disposed, the upper fan group 251 is located inside the third condenser 331 of the third heat exchanger 33, and the lower fan group 252 is located outside the third evaporator 332 of the third heat exchanger 33.
The upper layer fan set 251 includes three centrifugal fans arranged side by side, the upper layer fan set 251 sucks cold air from the outside through a shutter, the cold air enters the second air duct 22, blows the cold air through the third condenser 331, converts a gaseous state of the refrigerant in the third condenser 331 into a liquid state, the liquid refrigerant flows back into the third evaporator 332, circularly absorbs heat, and the sucked cold air enters the second air duct 22, directly blows the inductive cabin 15 downwards, and is dustproof and air-proof through the lower air outlet 13.
The inverter cabinet air duct of this embodiment, all locate 1 inside the rack with the fan and the heat exchanger of 1 both sides of rack, locate the rack outside for current fan and the heat exchanger with both sides, this inverter cabinet overall arrangement is compact has reduced the rack size, and the air duct is more smooth and easy moreover, is favorable to the heat dissipation.
Referring to fig. 8, the lower fan set 252 is an inner bin fan, that is, a fan for realizing inner bin inner circulation. The direct current storehouse inner circulation wind channel and the alternating current storehouse inner circulation wind channel respectively comprise 2 inner circulation wind channels. The lower fan group 252 includes 3 centrifugal fans arranged side by side.
Specifically, taking the lower fan set 252 on one side of the ac warehouse 16 as an example, the ac warehouse 16 is provided with a first internal circulation air duct 161 and a second internal circulation air duct 162. Take the first internal circulation air duct 161 as an example. The lower layer fan set 252 on the left side of the ac warehouse 16 sucks hot air from the inside of the ac warehouse 16, gasifies internal refrigerants through the corresponding third evaporator 332 on the left side of the cabinet, and then enters the corresponding third condenser 331, thereby realizing heat circulation. The cooling air passing through the third evaporator 331 is conveyed downwards to the ac cabin by the impeller of the lower fan set 252, forming a first internal circulation air duct 161.
The same working principle is applied to the second internal circulation air duct 162. The lower fan set 252 on the right side of the ac warehouse 16 sucks hot air from the inside of the ac warehouse 16, gasifies the internal refrigerant through the corresponding third evaporator 332 on the right side of the cabinet, and then enters the corresponding third condenser 331, thereby realizing heat circulation. The cooling air passing through the third evaporator 331 is conveyed downward to the ac compartment by the impeller of the lower fan unit 252, forming a second internal circulation air duct 162.
It is understood that two internal circulation air ducts are also provided in the dc compartment 14, which operate in the same manner as the ac compartment 16, and the present embodiment will not be described in detail.
In the inverter cabinet air duct of the embodiment, through the third fan sets 33 located at both sides of the cabinet 1, on one hand, cold air is sucked from the louver through the upper layer fan set 251, and directly enters the inductance cabin 15 below after passing through the third condenser 331; on the other hand, hot air is sucked from the inner bin through the lower fan set 252, the refrigerant inside is gasified through the third evaporator 332 and enters the third condenser 331, heat circulation of the inner bin is realized, and the temperature of the inner bin is effectively reduced.
EXAMPLE six
Referring to fig. 4, on the basis of the fifth embodiment, the present invention provides an inverter cabinet air duct according to a sixth embodiment, wherein a funnel 17 is disposed below the upper layer fan set 251 to communicate with the inductance bin 15.
In this embodiment, funnel channels 17 are disposed on two sides of the lower portion of the upper layer fan unit 251, and the two funnel channels 17 are disposed opposite to each other to blow the sucked cool air directly into the lower induction cabin 15 through the funnel channels 17.
The inverter cabinet channel of this embodiment, through the funnel passageway 17 that is located both sides, will follow the inspiratory cold wind of shutter, get into inductance storehouse 15 of below through funnel passageway 17 for inductance storehouse 15 heat dissipation to prevent outer storehouse wind channel and interior storehouse wind channel short circuit.
EXAMPLE seven
A seventh embodiment of the present invention provides an inverter, wherein the inverter includes the above-mentioned inverter cabinet air duct and the main power module located in the cabinet 1.
In this embodiment, the main power module 1 is located on the first evaporator 312 of the first heat exchanger 31, sucks in cold air through the first air duct 21, and dissipates heat for the main power module. A capacitor module is arranged in front of the main power module. An inductor, an alternating current side and a direct current side are arranged below the cabinet 1.
The inverter of this embodiment will be located 1 both sides of rack heat exchanger and fan group locate inside rack 1, and inner structure is compact, has reduced the complete machine size, and the maintenance performance is good, and each region is cut apart definitely. Cold air is sucked through first air inlets 11 positioned on the front door and the rear door and second air inlets 12 positioned on the two side walls, so that the cold air is directly blown into an inductance cabin 15 below the cabinet 1; in addition, the positions of the inner bin and the outer bin below the cabinet 1 are provided with air outlets, so that the areas of the air inlets and the air outlets are increased, and the heat dissipation problem of each power device is effectively solved through reasonable air duct layout. The direct current cabin 14 and the alternating current cabin 16 are arranged into sealed front and rear cavities, so that the electromagnetic shielding performance is effectively improved. Moreover, the cabinet 1 is symmetrically distributed, so that the structure is attractive and wiring is convenient.
The utility model discloses an inverter cabinet air duct, including cabinet 1, cabinet 1 is inside to be equipped with wind channel, interior storehouse and outer storehouse, and the wind channel includes that the air enters cabinet 1 middle part and gets into the first air duct 21 that is located cabinet 1 bottom outer storehouse from first air intake 11, gets into the second air duct 22 in outer storehouse and the inner circulation wind channel that is located the interior storehouse from second air intake 12 through the both sides of cabinet 1 downwards; and air outlets 13 are arranged at the bottom of the cabinet 1 and at the positions corresponding to the outer bin and the inner bin. Compared with the existing inverter cabinet air duct, the second air inlets 12 positioned on the two side walls of the cabinet 1 are added, the air inlet area is increased, and compared with the existing inverter cabinet air duct which is only provided with the air outlets at the corresponding positions of the outer bin, the air outlets corresponding to the inner bin at the bottom of the cabinet are added, so that the air inlet and the air outlet are smoother; in addition, the heat dissipation problem of each power device in the cabinet is effectively solved through reasonable air duct layout.
The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. An inverter cabinet air duct, comprising:
a cabinet;
an air duct is arranged in the cabinet;
an inner bin and an outer bin are arranged below the cabinet;
the cabinet is provided with an air inlet and an air outlet which are connected with the outer bin;
the air inlet includes: the first air inlets are respectively positioned at the front door and the rear door of the cabinet, and the second air inlets are respectively positioned at two opposite side walls of the cabinet;
the positions of the bottom of the machine cabinet, which correspond to the inner bin and the outer bin, are provided with the air outlets;
the wind channel includes: the first air duct enters air from the first air inlet and downwards enters the outer bin; the second air duct enters air from the second air inlet and downwards enters the outer bin; and an internal circulation air duct positioned in the internal bin.
2. The inverter cabinet duct of claim 1, further comprising: locate the first fan group and the second fan group that the rack top set up side by side, and locate the third fan group of rack both sides.
3. The inverter cabinet duct of claim 2, wherein a wind barrier is disposed between the first fan set and the second fan set.
4. The inverter cabinet air duct of claim 2, wherein the first fan unit and the second fan unit each comprise a first side fan unit and a second side fan unit, and the first side fan unit and the second side fan unit are symmetrically arranged.
5. The inverter cabinet air duct of claim 2, wherein the third fan set comprises an upper fan set and a lower fan set, the upper fan set and the lower fan set are staggered, the upper fan set corresponds to the second air inlet, and the lower fan set corresponds to the inner bin.
6. The inverter cabinet duct according to claim 5, wherein a funnel is provided at a bottom of the upper-layer fan unit to communicate with the outer bin.
7. The inverter cabinet duct of claim 2, further comprising: the first fan set comprises a plurality of first heat exchangers arranged on the inner side of the first fan set, and a plurality of second heat exchangers arranged on the inner side of the second fan set, wherein the first heat exchangers and the second heat exchangers are arranged in parallel.
8. The inverter cabinet duct of claim 5, further comprising: and the upper layer fan set is arranged on the inner side of the third heat exchanger, and the lower layer fan set is positioned on the outer side of the third heat exchanger.
9. The inverter cabinet duct of claim 1, further comprising an inlet elbow connected to the cabinet and disposed at the first inlet location.
10. An inverter is characterized in that a DC-DC converter is provided,
the inverter cabinet air duct comprises the inverter cabinet air duct as claimed in any one of claims 1 to 9 and a main power device arranged in the cabinet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220707197.2U CN217363623U (en) | 2022-03-29 | 2022-03-29 | Inverter cabinet air duct and inverter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220707197.2U CN217363623U (en) | 2022-03-29 | 2022-03-29 | Inverter cabinet air duct and inverter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217363623U true CN217363623U (en) | 2022-09-02 |
Family
ID=83053244
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220707197.2U Active CN217363623U (en) | 2022-03-29 | 2022-03-29 | Inverter cabinet air duct and inverter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217363623U (en) |
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2022
- 2022-03-29 CN CN202220707197.2U patent/CN217363623U/en active Active
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