CN205124225U - Photovoltaic contravariant rack - Google Patents
Photovoltaic contravariant rack Download PDFInfo
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- CN205124225U CN205124225U CN201520867095.7U CN201520867095U CN205124225U CN 205124225 U CN205124225 U CN 205124225U CN 201520867095 U CN201520867095 U CN 201520867095U CN 205124225 U CN205124225 U CN 205124225U
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- photovoltaic inversion
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Abstract
The utility model discloses a photovoltaic contravariant rack, including sealed rack, still include phase transition heat abstractor, phase transition heat abstractor including set up in interior machine in the sealed rack with set up in the outer outer machine of sealed rack, the intercommunication is equipped with conducting pipe between interior machine and the outer machine. Through having add phase transition heat abstractor, phase transition heat abstractor includes that interior machine is quick -witted with outward, and through the conducting pipe intercommunication between interior machine and the outer machine. In the course of the work, the heat in the sealed rack is absorbed to interior chance, transmits for outer machine through conducting pipe, because outer machine sets up outside sealed rack, consequently the outer machine heat of coming the conduction distributes the rack outside to realize the circumstances of the temperature reduction in the sealed rack.
Description
Technical field
The utility model relates to inverter technology field, particularly relates to a kind of photovoltaic inversion rack.
Background technology
The power electronic equipments such as outdoor high-power photovoltaic inverter adopt straight-through Duct design usually, namely the air in atmosphere outside is driven directly to enter rack through air inlet by blower fan, air flows through heat-generating electronic elements, radiator etc. and carries out heat convection afterwards, air heat absorption becomes hot-air, hot-air is discharged to atmosphere outside by air outlet, realizes the object of inverter heat radiation.As shown in Figure 1 and Figure 2, straight-through air channel is divided into again " L " type air channel and " Z " type air channel, and oppositely " L " type and oppositely " Z " type air channel (air channel reverse flow).The advantage of this kind of radiating mode is that cost is low, easily realizes.Certainly, shortcoming is also apparent.Directly contact heat radiation because extraneous air directly enters interior of equipment cabinet to electronic component, dust storm, dust, salt fog, humidity etc. will be difficult to avoid on the impact of electronic device.These unfavorable factors can affect the service behaviour, life-span etc. of electronic device, even make inverter that irreversible fault occurs, must carry out periodic cleaning to interior of equipment cabinet and safeguard the normal work that could maintain electronic device, but this turn increases the O&M cost of inverter virtually.Therefore, being sealed by rack is the effective means avoiding all adverse effects.But rack sealing can make again the heat radiation of rack bad, causes temperature to raise, equally also can affect the operation of inverter.
Therefore, how sealing cabinet temperature can be reduced, be the technical problem that skilled person needs solution badly.
Utility model content
In view of this, the utility model provides a kind of photovoltaic inversion rack, can realize the situation to sealing cabinet cooling, and this structure is simple, and product cost is lower.
For solving the problems of the technologies described above, the utility model provides a kind of photovoltaic inversion rack, comprise sealing cabinet, also comprise phase-change heat radiating device, described phase-change heat radiating device comprises the outer machine being arranged at interior machine in described sealing cabinet and being arranged at outside described sealing cabinet, and described interior machine is provided with conducting tube with being communicated with between outer machine.
Preferably, described interior machine comprises the affixed fan inside of its side and be arranged at the internal exchanger of its opposite side of being arranged at, and described internal exchanger is communicated with bottom described conducting tube.
Preferably, described outer machine comprises the affixed external fan of its side and be arranged at the external heat exchanger of its opposite side of being arranged at, and described external heat exchanger is communicated with described conducting tube top.
Preferably, described conducting tube comprises steam pipe and liquid back pipe; Described steam pipe top is communicated with described external heat exchanger top, and described steam pipe bottom is communicated with described internal exchanger top; Described liquid back pipe top is communicated with described external heat exchanger bottom, and described liquid back pipe bottom is communicated with described internal exchanger bottom.
Preferably, described sealing cabinet comprises setting sealing air duct in the inner and closed chamber, and by ventilation hole and return port between described sealing air duct and described closed chamber, described interior machine is affixed to be arranged on described ventilation hole.
Preferably, also comprise backflow fan, described backflow fan is affixed to be arranged on described return port.
Preferably, described conducting tube is provided with seal through described sealing cabinet place.
Preferably also comprise the open rack being at least a common surface with described sealing cabinet.
Preferably, described open rack is provided with air-inlet window and radiator fan.
Preferably, described interior machine is evaporator, and the internal part in described evaporator and described sealing cabinet is fitted.
Photovoltaic inversion rack provided by the utility model, has set up phase-change heat radiating device, and described phase-change heat radiating device comprises interior machine and outer machine, and is communicated with by conducting tube between described interior machine and outer machine.In the course of the work, interior chance absorbs the heat in sealing cabinet, passes to outer machine by conducting tube, because outer machine is arranged at outside sealing cabinet, because machine, by conducting the heat of coming, is dispersed into rack outside in addition, thus realize the situation of the temperature reduction in sealing cabinet.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment, simple introduction is done below by the accompanying drawing used required in embodiment, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is " L " type air duct machine cabinet schematic diagram in existing photovoltaic DC-to-AC converter rack;
Fig. 2 is " Z " type air duct machine cabinet schematic diagram in existing photovoltaic DC-to-AC converter rack;
Fig. 3 be phase-change heat radiating device in photovoltaic inversion rack provided by the utility model face structural representation;
Fig. 4 is the side-looking structural representation of the phase-change heat radiating device in photovoltaic inversion rack provided by the utility model;
Fig. 5 is photovoltaic inversion cabinet structure schematic diagram provided by the utility model;
Fig. 6 is the structural representation of rectilinear sealing air duct photovoltaic inversion rack provided by the utility model;
Fig. 7 is the structural representation of " L " provided by the utility model shape sealing air duct photovoltaic inversion rack;
Fig. 8 is the structural representation of the photovoltaic inversion rack of ventilation hole provided by the utility model bottom sealing air duct;
Fig. 9 is the structural representation that interior machine provided by the utility model tiltedly puts formula photovoltaic inversion rack;
Figure 10 is the structural representation having additional the photovoltaic inversion rack of draft chamber provided by the utility model;
Figure 11 is the structural representation that reeded photovoltaic inversion rack is established at top provided by the utility model;
Figure 12 is the photovoltaic inversion cabinet structure schematic diagram that sealing cabinet provided by the utility model and open rack combine between the higher and lower levels;
Figure 13 is the photovoltaic inversion interior of equipment cabinet structural representation that sealing cabinet provided by the utility model and open rack combine between the higher and lower levels;
Figure 14 is the structure front view schematic diagram of the another kind of embodiment of photovoltaic inversion rack phase-change heat radiating device provided by the utility model;
Figure 15 is the structure rearview schematic diagram of the another kind of embodiment of photovoltaic inversion rack phase-change heat radiating device provided by the utility model;
Figure 16 is sealing cabinet provided by the utility model and the photovoltaic inversion cabinet structure schematic diagram of vertical combination about open rack.
In accompanying drawing, arrow represents the direction of gas flow; 1 is sealing cabinet, and 21 is outer machine, and 211 is external heat exchanger, and 212 is external fan, and 213 is wind scooper; 22 is interior machine, and 221 is internal exchanger, and 222 is fan inside, 23 is steam pipe, and 24 is liquid back pipe, and 25 is evaporator, 251 is evaporator backplate, and 3 is seal, and 4 is sealing air duct, 5 is backflow fan, and 6 is draft chamber, and 61 is scavenger fan, 7 is open rack, and 71 is air-inlet window, and 72 is radiator fan, 8 is internal part, and 9 is evaporator backplate, and 91 is IGBT element.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making under creative work prerequisite, and the every other embodiment obtained, all belongs to the utility model protection range.
In order to make those skilled in the art person understand the utility model scheme better, below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Please refer to Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8, Fig. 9, Figure 10, Figure 11, Figure 12 and Figure 13, Fig. 1 is " L " type air duct machine cabinet schematic diagram in existing photovoltaic DC-to-AC converter rack; Fig. 2 is " Z " type air duct machine cabinet schematic diagram in existing photovoltaic DC-to-AC converter rack; Fig. 3 be phase-change heat radiating device in photovoltaic inversion rack provided by the utility model face structural representation; Fig. 4 is the side-looking structural representation of the phase-change heat radiating device in photovoltaic inversion rack provided by the utility model; Fig. 5 is photovoltaic inversion cabinet structure schematic diagram provided by the utility model; Fig. 6 is the structural representation of rectilinear sealing air duct photovoltaic inversion rack provided by the utility model; Fig. 7 is the structural representation of " L " provided by the utility model shape sealing air duct photovoltaic inversion rack; Fig. 8 is the structural representation of the photovoltaic inversion rack of ventilation hole provided by the utility model bottom sealing air duct; Fig. 9 is the structural representation that interior machine provided by the utility model tiltedly puts formula photovoltaic inversion rack; Figure 10 is the structural representation having additional the photovoltaic inversion rack of draft chamber provided by the utility model; Figure 11 is the structural representation that reeded photovoltaic inversion rack is established at top provided by the utility model; Figure 12 is the photovoltaic inversion cabinet structure schematic diagram that sealing cabinet provided by the utility model and open rack combine between the higher and lower levels; Figure 14 is the structure front view schematic diagram of the another kind of embodiment of photovoltaic inversion rack phase-change heat radiating device provided by the utility model; The structure rearview schematic diagram of the another kind of embodiment of photovoltaic inversion rack phase-change heat radiating device that Figure 15 provides for utility model; Figure 16 is sealing cabinet provided by the utility model and the photovoltaic inversion cabinet structure schematic diagram of vertical combination about open rack.
A kind of photovoltaic inversion rack provided by the utility model, comprise sealing cabinet 1, also comprise phase-change heat radiating device, the outer machine 21 that described phase-change heat radiating device comprises the interior machine in described sealing cabinet 1 of being arranged at 22 and is arranged at outside described sealing cabinet 1, described interior machine 22 is provided with conducting tube with being communicated with between outer machine 21.
It should be noted that, phase-change heat utilizes material phase-state change, discharges the technology of latent heat, be called phase-change heat.
In the present embodiment, phase-change heat radiating device is exactly the principle adopting phase-change heat, can the liquid of phase transformation when being provided with in conducting tube, interior machine 22 absorbs the heat in sealing cabinet 1, heating liquid in conducting tube is become steam, and the liquid in conducting tube becomes in the process of gaseous state from liquid state, a large amount of heats can be absorbed.Steam can be followed conducting tube and be entered outer machine 21, outer machine 21 is outside because being arranged at sealing cabinet 1, the temperature of outer machine 21 will lower than interior machine 22, steam outside machine 21 place be subject to cold after, again be converted to liquid, follow conducting tube and again flow into interior machine 22, so just the temperature in sealing cabinet 1 can be realized cooling.
In order to optimize above-described embodiment further, described interior machine 22 comprises the affixed fan inside 222 being arranged at its side and the internal exchanger 221 being arranged at its opposite side, and described internal exchanger 221 is communicated with bottom described conducting tube.The rotation of fan inside 222, can accelerate the gas flow in sealing cabinet 1, and the every nook and cranny in sealing cabinet 1 can be made to be dispelled the heat all uniformly, avoids the situation generation occurring that heat radiation is uneven.Internal exchanger 221 is the heats for absorbing in sealing cabinet 1, then by heat conduction to the liquid in conducting tube, make liquid conversion be steam.
In the course of the work, as shown in Figure 5, the rotary seal rack 1 inner air circulation of fan inside 222, flow through internal exchanger 221, internal exchanger 221 absorbs heat, and heating liquid is converted into steam, steam enters outer machine 21 by conducting tube, after machine 21 is converted into liquid outside, in again being flowed into by conducting tube in machine 22, again carry out evaporative cooling circulation.This has just carried out effective cooling to sealing cabinet 1 inside.
Further again, described outer machine 21 comprises and is affixedly arranged at the external fan 212 of its side and is arranged at the external heat exchanger 211 of its opposite side, and described external heat exchanger 211 is communicated with described conducting tube top.External fan 212 is mainly used in accelerating the circulation of external heat exchanger 211 ambient air, the heat that external heat sink is given out fast away from, reach the object to external heat sink fast cooling.
In the course of the work, follow conducting tube when steam and enter external heat exchanger 211, steam in external environment, is converted into liquid by the heat loss in steam by external heat exchanger 211 again, again carries out evaporative cooling circulation in flowing in machine 22.
In the present embodiment, also disclose a kind of concrete manifestation form of conducting tube, described conducting tube comprises steam pipe 23 and liquid back pipe 24; Described steam pipe 23 top is communicated with described external heat exchanger 211 top, and described steam pipe 23 bottom is communicated with described internal exchanger 221 top; Described liquid back pipe 24 top is communicated with described external heat exchanger 211 bottom, and described liquid back pipe 24 bottom is communicated with described internal exchanger 221 bottom.After liquid rotating changes into steam, upwards can rise and enter steam pipe, because the top of steam pipe 23 is communicated with external heat exchanger 211, after entering external heat exchanger 211, by the cooling of external heat exchanger 211, again change into liquid, liquid can enter internal exchanger 221 from by liquid back pipe 24 again, again carries out transpiration-cooled circulation.
Further, wherein in order to improve heat exchange efficiency, internal exchanger 221 and external heat exchanger 211 preferably adopt parallel-flow heat exchanger.Certainly, other heat exchanger also can be adopted to carry out heat exchange process, in the present embodiment, this is not limited.
In order to again optimize above-described embodiment, described sealing cabinet 1 comprises setting sealing air duct 4 in the inner and closed chamber, and by ventilation hole and return port between described sealing air duct 4 and described closed chamber, described interior machine 22 is affixed to be arranged on described ventilation hole.By arranging sealing air duct 4, in sealing cabinet 1, effectively forming the Efficient Cycle of air-flow, make the air-flow in sealing cabinet 1 flow fast to greatest extent, to reach the object of fast cooling, and effectively avoid the situation generation of dispelling the heat uneven.
In the course of the work, fan inside 222 on interior machine 22 extracts the gas of higher temperature in closed chamber by ventilation hole, then when the internal exchanger 221 on interior machine 22, internal exchanger 221 is by the heat absorption in gas, its gas is made to be converted into the lower gas of temperature, arriving return port place through sealing air duct 4, entering closed chamber finally by return port, so just reaching the object to sealing room temperature lowering.And due to the flow direction effectively planning gas, the effect not only achieving fast cooling also reaches the object of lowering temperature uniform.Certainly, as shown in Figure 6, also only the internal exchanger 221 on interior machine 22 can be arranged at disposed at air vent, not need fan inside 222 to be also arranged at disposed at air vent, do not affect normal cooling-down effect.
Further again, also comprise backflow fan 5, described backflow fan 5 is affixed to be arranged on described return port.Cold air in sealing air duct 4 can pump in closed chamber by backflow fan 5 fast, accelerates cooling rate further.
Wherein, described conducting tube is provided with seal 3 through described sealing cabinet 1 place.Because conducting tube needs the outside entering sealing cabinet 1 through sealing cabinet 1, therefore in order to make the sealing effectiveness in sealing cabinet 1 unaffected, setting up seal 3 at conducting tube through the place of sealing cabinet 1, having this ensures that thered the sealing in sealing cabinet 1.
In above embodiment, it should be noted that therefore the preferred outer machine 21 by phase-change heat radiating device is arranged at sealing cabinet 1 top because steam has the character upwards flowed, what make that phase-change heat radiating device can be larger reaches radiating effect.Further, wherein seal shape and the position of air duct 4, also have the position of ventilation hole and return port, be not changeless, diversified form can be set to according to different situations and custom.As sealing air duct 4 is arranged at sealing cabinet 1 leftmost side, ventilation hole is arranged at the position near sealing cabinet 1 top inner wall, the length of conducting tube can be reduced like this, shorten the time required for evaporative cooling circulation, accelerate the cooling rate of sealing cabinet 1 inside.
When air pipe is vertically arranged, return port can be arranged near sealing cabinet 1 bottom interior wall place, as shown in Figure 6, after arranging like this, cold air in sealing air duct 4 can effectively be delivered to bottom sealing cabinet 1 by backflow fan 5, and the hot gas in sealing cabinet 1 can rise, flow out from disposed at air vent.Doing so avoids the uneven situation of cooling to occur.Certainly, if sealing air duct 4 is set to " L " shape, also return port can be arranged at tail end bottom " L " shape, as shown in the figure 7, be conducive to sealing cabinet 1 inside like this and form large airflow circulating, abundant disturbance and cycle heat exchange can be carried out to inner air.
As shown in Figure 8, also can, by the location swap of ventilation hole and return port, the form of blowing be adopted to dispel the heat fan inside 222.First, gas higher for the temperature in closed chamber is extracted out by backflow fan 5, and send in sealing air duct 4, after the heat absorption of internal exchanger 221, the gas of cooling is blown in closed chamber by fan inside 222 again, realizes cooling-down effect in closed chamber.
Certainly, when running into the impact of the object arrangement mode in closed chamber, when needing interior machine 22 to be directly arranged in closed chamber, as shown in Figure 9, interior machine 22 can be arranged at sealing cabinet 1 top, slant setting, and angle of inclination is preferably greater than 30 °, and fan inside 222 preferably adopts air-draft-type heat radiation.First internal exchanger 221 can directly by gas cooled higher for closed chamber head temperature, the gas of cooling is extracted out and is sent in sealing air duct 4 by fan inside 222, again by being arranged at the backflow fan 5 bottom air duct on sidewall, cold air is sent into the bottom of closed chamber, so also can realize the cooling phenomenon to closed chamber.
When occurring that sealing cabinet 1 external environment condition does not allow to arrange outer machine 21, isolation on sealing cabinet 1 can be arranged draft chamber 6, described draft chamber 6 does not communicate with other position of sealing cabinet 1, ventilating opening and exhaust outlet is provided with in described draft chamber 6, described outer machine 21 is affixed is arranged at ventilating opening place, described exhaust ports is also affixed is provided with scavenger fan 61, as shown in Figure 10.In the course of the work, in the cold air suction draft chamber 6 that ventilating opening goes out by external fan 212, make the cooling processing that its external heat exchanger 211 realizes entirety, the gas after being then heated is discharged by the scavenger fan 61 being arranged at exhaust ports.In the present embodiment, because have employed scavenger fan 61, therefore also can not adopt external fan 212, its cooling-down effect is unaffected.
Certainly, can also arrange groove at sealing cabinet 1 top, as shown in figure 11, described outer machine 21 is arranged in described groove, and described groove is highly equal with described outer machine 21.So just can not increase additional space and outer machine 21 is set, work under being applicable to multiple environment.
In the novel specific embodiment of this enforcement, also comprise the open rack 7 being at least a common surface with described sealing cabinet 1.As shown in figure 12, the photovoltaic inversion rack that a kind of sealing cabinet 1 and open rack 7 combine, wherein, the bottom of photovoltaic inversion rack is open rack 7, can by having moisture resistance, assembly that corrosion resistance is higher is positioned in the rack of Kaifeng, parts poor to outbalance and moisture resistance, resistance to corrosion are positioned in sealing cabinet 1, this reduces the size of sealing cabinet 1, effectively improve the radiating effect in sealing cabinet 1.Wherein, in order to further pick up speed is dispelled the heat, multiple phase-change heat radiating device can be set at the top of sealing cabinet 1.
In order to optimize above-described embodiment further, described open rack 7 is provided with air-inlet window 71 and radiator fan 72.Air-inlet window 71 not only can play into wind action, effectively can also stop entering of a part of dust storm or grieshoch; High temperature in open rack 7 and moisture, by the mode of outside exhausting, are extracted out by radiator fan 72, improve the gas flow rates in the rack 7 of Kaifeng further, thus realize the cooling to Kaifeng rack 7 faster.
In utility model one specific embodiment, described interior machine 22 is evaporator 25, and described evaporator 25 is fitted with the internal part 8 in described sealing cabinet 1.Fitted by the internal part 8 of evaporator 25 directly and in sealing cabinet 1, the heat that internal part 8 produces can directly pass to on evaporator 25, and evaporator 25 transfers heat to outer machine, is discharged by outer machine.Temperature transmission speed in this sealing cabinet 1 just accelerated, the effective radiating rate improved in sealer 1 cabinet.
Wherein, it will be understood by those skilled in the art that, multiple internal part 8 is provided with in photovoltaic inversion rack, wherein be mainly for IGBT element and inverter module, its IGBT element at work, can produce higher temperature, the internal part therefore in sealing cabinet 1 at least should comprise IGBT element and inverter module.
Preferred IGBT element is closely set on described evaporator 25 outer wall, and the heat that such IGBT element produces directly will be absorbed by evaporator 25.
Certainly, wherein in order to protect and make change heat abstractor better work, phase-change heat radiating device also comprises, evaporator backplate and the wind scooper be arranged on outer machine, as shown in Figure 14 and Figure 15.
When by the bottom of photovoltaic inversion rack for open rack 7 time, its internal reference is once arranged, and as shown in figure 13, is arranged at by interior machine 22 in the inverter module in described sealing cabinet 1, and other not too important internal part 8 can be arranged in open rack 7.
Certainly, sealing cabinet 1 can also vertically side by side can also be arranged with open rack 7, as shown in figure 13, its technique effect played can manipulate above-described embodiment, no longer repeats in the present embodiment.
In the embodiment above, because have employed backflow fan 5 in sealing cabinet 1, therefore also can not adopt fan inside 222, also can reach same effect.
Photovoltaic inversion rack provided by the utility model, first by adopting sealing cabinet 1, effectively improve the degree of protection of photovoltaic inversion rack, effectively can prevent the adverse effect that photovoltaic inversion interior of equipment cabinet electronic component and equipment occur dust stratification, make moist and corrode, work under photovoltaic inversion rack so just can be made to be applicable to multiple environment, as desert area or the coastal foggy area of many dusts.Further, have employed phase-change heat radiating device, this phase change device achieves the situation of cycle down heat by interior machine 22, outer machine 21 and the conducting tube arranged, and does not need any driving, does not have moving component, can reduce the failure rate of photovoltaic inversion rack.Effectively save maintenance cost, and effectively raise the useful life of product.
Above photovoltaic inversion rack provided by the utility model is described in detail.Apply specific case herein to set forth principle of the present utility model and execution mode, the explanation of above embodiment just understands method of the present utility model and core concept thereof for helping.Should be understood that; for those skilled in the art; under the prerequisite not departing from the utility model principle, can also carry out some improvement and modification to the utility model, these improve and modify and also fall in the protection range of the utility model claim.
Claims (10)
1. a photovoltaic inversion rack, it is characterized in that, comprise sealing cabinet (1), also comprise phase-change heat radiating device, described phase-change heat radiating device comprises the interior machine (22) that is arranged in described sealing cabinet (1) and is arranged at described sealing cabinet (1) outer machine (21) outward, and described interior machine (22) is provided with conducting tube with being communicated with between outer machine (21).
2. photovoltaic inversion rack as claimed in claim 1, it is characterized in that, described interior machine (22) is evaporator (25), and described evaporator (25) is fitted with the internal part (8) in described sealing cabinet (1).
3. photovoltaic inversion rack as claimed in claim 1, it is characterized in that, described interior machine (22) comprises and is affixedly arranged at the fan inside (222) of its side and is arranged at the internal exchanger (221) of its opposite side, and described internal exchanger (221) is communicated with bottom described conducting tube.
4. photovoltaic inversion rack as claimed in claim 3, it is characterized in that, described outer machine (21) comprises and is affixedly arranged at the external fan (212) of its side and is arranged at the external heat exchanger (211) of its opposite side, and described external heat exchanger (211) is communicated with described conducting tube top.
5. photovoltaic inversion rack as claimed in claim 4, it is characterized in that, described conducting tube comprises steam pipe (23) and liquid back pipe (24); Described steam pipe (23) top is communicated with described external heat exchanger (211) top, and described steam pipe (23) bottom is communicated with described internal exchanger (221) top; Described liquid back pipe (24) top is communicated with described external heat exchanger (211) bottom, and described liquid back pipe (24) bottom is communicated with described internal exchanger (221) bottom.
6. the photovoltaic inversion rack as described in claim 1-5 any one, it is characterized in that, described sealing cabinet (1) comprises setting sealing air duct (4) in the inner and closed chamber, by ventilation hole and return port between described sealing air duct (4) and described closed chamber, described interior machine (22) is affixed to be arranged on described ventilation hole.
7. photovoltaic inversion rack as claimed in claim 6, is characterized in that, also comprise backflow fan (5), described backflow fan (5) is affixed to be arranged on described return port.
8. photovoltaic inversion rack as claimed in claim 7, is characterized in that, described conducting tube is provided with seal (3) through described sealing cabinet (1) place.
9. photovoltaic inversion rack as claimed in claim 8, is characterized in that, also comprise the open rack (7) being at least a common surface with described sealing cabinet (1).
10. photovoltaic inversion rack as claimed in claim 9, it is characterized in that, described open rack (7) is provided with air-inlet window (71) and radiator fan (72).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520867095.7U CN205124225U (en) | 2015-10-29 | 2015-10-29 | Photovoltaic contravariant rack |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520867095.7U CN205124225U (en) | 2015-10-29 | 2015-10-29 | Photovoltaic contravariant rack |
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| CN205124225U true CN205124225U (en) | 2016-03-30 |
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| CN201520867095.7U Active CN205124225U (en) | 2015-10-29 | 2015-10-29 | Photovoltaic contravariant rack |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110785067A (en) * | 2019-11-11 | 2020-02-11 | 北京机械设备研究所 | Closed space phase change heat dissipation device and closed space phase change heat dissipation method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110785067A (en) * | 2019-11-11 | 2020-02-11 | 北京机械设备研究所 | Closed space phase change heat dissipation device and closed space phase change heat dissipation method |
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