CN207040129U - Photovoltaic DC-to-AC converter and its heat abstractor - Google Patents
Photovoltaic DC-to-AC converter and its heat abstractor Download PDFInfo
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- CN207040129U CN207040129U CN201720953444.6U CN201720953444U CN207040129U CN 207040129 U CN207040129 U CN 207040129U CN 201720953444 U CN201720953444 U CN 201720953444U CN 207040129 U CN207040129 U CN 207040129U
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- evaporator
- photovoltaic
- cavity
- converter
- heat abstractor
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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
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- Photovoltaic Devices (AREA)
Abstract
The utility model discloses a kind of photovoltaic DC-to-AC converter and its heat abstractor, heat abstractor includes：Casing, the box house have multiple cavities；For the evaporator to cool to the cavity；Condenser, flow in the condenser after the medium evaporation in the evaporator, be back to after the medium condensation in the condenser in the evaporator.Heat abstractor provided by the utility model realizes radiating by the phase transformation of medium, heat transfer temperature difference is low, radiating efficiency is high, it is and small volume, in light weight, simple in construction, magnetic device and power device can be arranged on box house using above-mentioned heat abstractor, it need not be arranged on again in air channel, and then the power density of photovoltaic DC-to-AC converter can be greatly improved.
Description
Technical field
Photovoltaic DC-to-AC converter technical field is the utility model is related to, more specifically to a kind of photovoltaic DC-to-AC converter and its is dissipated
Thermal.
Background technology
As photovoltaic DC-to-AC converter volume is less and less, its power density is caused to increased dramatically.By its structure design and radiating
The influence of ability, at present power density reach 1cm3/ W has been the limit of traditional radiator.The magnetic device of photovoltaic DC-to-AC converter
Caloric value is larger, in order to ensure its radiating, it has to is externally disposed in cavity, this modes of emplacement causes space
Waste, it is difficult to improve again to cause power density, and is usually that magnetic device and radiator are placed in parallel in air channel, this
Layout can have been disturbed the flow field of radiator, influence the radiating efficiency of radiator.
In summary, the power density of photovoltaic DC-to-AC converter how is effectively improved, is that current those skilled in the art are badly in need of
Solve the problems, such as.
Utility model content
In view of this, first purpose of the present utility model is to provide a kind of heat abstractor of photovoltaic DC-to-AC converter, the light
The power density of photovoltaic DC-to-AC converter can be effectively improved by lying prostrate the structure design of the heat abstractor of inverter, and of the present utility model the
Two purposes are to provide a kind of photovoltaic DC-to-AC converter for including above-mentioned heat abstractor.
In order to reach above-mentioned first purpose, the utility model provides following technical scheme：
A kind of heat abstractor of photovoltaic DC-to-AC converter, including：
Casing, the box house have multiple cavities；
For the evaporator to cool to the cavity；
Condenser, flowed to after the medium evaporation in the evaporator in the condenser, the medium in the condenser
It is back to after condensation in the evaporator.
Preferably, in the heat abstractor of above-mentioned photovoltaic DC-to-AC converter, the set location of the condenser is higher than the evaporator
Set location.
Preferably, in the heat abstractor of above-mentioned photovoltaic DC-to-AC converter, the top in the casing is provided with described for accommodating
The installation cavity of condenser, air vent, the roof of the casing and side are provided with one in the roof and side wall of the casing
Fan is provided with another in wall.
Preferably, in the heat abstractor of above-mentioned photovoltaic DC-to-AC converter, at least one seal cavity is included in multiple cavitys,
Remaining described cavity in addition to the seal cavity is ventilation housing, and heat exchange through hole is offered on the wall of the ventilation housing.
Preferably, in the heat abstractor of above-mentioned photovoltaic DC-to-AC converter, the side of the evaporator is a cavity and another
Side is another described cavity, and the evaporator separates two adjacent cavitys.
A kind of photovoltaic DC-to-AC converter, including as described above any one of heat abstractor.
Preferably, in above-mentioned photovoltaic DC-to-AC converter, the magnetic device and power device of the photovoltaic DC-to-AC converter are arranged at same
In the individual cavity, and the cavity of the setting magnetic device and power device is seal cavity.
Preferably, in above-mentioned photovoltaic DC-to-AC converter, in the magnetic device and power device are set one of seal cavity
Wall is the side of evaporator.
Preferably, in above-mentioned photovoltaic DC-to-AC converter, the magnetic device and power device are each attached on the evaporator, and
Heat-conducting silicone grease is coated between the magnetic device and the evaporator and between the power device and the evaporator.
Preferably, in above-mentioned photovoltaic DC-to-AC converter, the quantity of the cavity for two and respectively front cavity and rear chamber, the evaporator
Side be that front cavity opposite side is rear chamber, the evaporator separates the front cavity and rear chamber.
The heat abstractor of photovoltaic DC-to-AC converter provided by the utility model includes casing, condenser and evaporator.Wherein, casing
Inside has multiple cavities, i.e. box house is divided into multiple cavities.Evaporator can cool to cavity, evaporator energy
Enough to carry out heat exchange with inside cavity, condenser can be arranged on casing outside or inside, and the medium in evaporator flows after evaporating
Move into condenser, be back to after the medium condensation in condenser in evaporator.
During using heat abstractor provided by the utility model, the magnetic device of photovoltaic DC-to-AC converter and power device can be pacified
In cavity, the medium evaporation in such evaporator absorbs the heat in cavity, and the media flow after evaporation is into condenser
Heat release is condensed, heat is discharged, condensed medium is back in evaporator again to be evaporated to absorb the heat in cavity, so
The heat constantly taken away in cavity is realized in circulation, to realize the radiating to whole photovoltaic DC-to-AC converter.It is provided by the utility model
Heat abstractor realizes radiating by the phase transformation of medium, and heat transfer temperature difference is low, and radiating efficiency is high, and small volume, in light weight, structure is simple
It is single, magnetic device and power device can be arranged on box house using above-mentioned heat abstractor, it is not necessary to again in air channel,
And then the power density of photovoltaic DC-to-AC converter can be greatly improved.
In order to reach above-mentioned second purpose, the utility model additionally provides a kind of photovoltaic DC-to-AC converter, the photovoltaic DC-to-AC converter
Including any of the above-described kind of heat abstractor.Because above-mentioned heat abstractor has above-mentioned technique effect, there is the light of the heat abstractor
Volt inverter should also have corresponding technique effect.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only
It is some embodiments of the utility model, for those of ordinary skill in the art, is not paying the premise of creative work
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the heat abstractor for the photovoltaic DC-to-AC converter that the utility model embodiment provides；
Fig. 2 is the structural representation for the photovoltaic DC-to-AC converter that the utility model embodiment provides；
Fig. 3 is the medium flow graph of the heat abstractor for the photovoltaic DC-to-AC converter that the utility model embodiment provides.
In fig. 1-3：
After 1- casings, 2- air vents, 3- condensers, 4- evaporators, 5-IGBT, 6- inductance, 7- fans, 8- front cavities, 9-
Cavity.
Embodiment
First purpose of the present utility model be to provide a kind of heat abstractor of photovoltaic DC-to-AC converter, the photovoltaic DC-to-AC converter
The structure design of heat abstractor can effectively improve the power density of photovoltaic DC-to-AC converter, and second purpose of the present utility model is
A kind of photovoltaic DC-to-AC converter for including above-mentioned heat abstractor is provided.
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
Refer to Fig. 1-Fig. 3, the heat abstractor of the photovoltaic DC-to-AC converter that the utility model embodiment provides includes casing 1, cold
Condenser 3 and evaporator 4.Wherein, the inside of casing 1 has multiple cavities, i.e., is divided into multiple cavities inside casing 1.Evaporator 4
Heat exchange can be carried out with inside cavity, condenser 3 can be arranged on casing outside or inside, the medium evaporation in evaporator 4
After flow in condenser 3, be back to after the condensation of medium in condenser 3 in evaporator 4.
Using the utility model embodiment provide heat abstractor when, can be by the magnetic device and power of photovoltaic DC-to-AC converter
Device is arranged in cavity, and the evaporation of medium in such evaporator 4 absorbs the heat in cavity, and the media flow after evaporation is to cold
Heat release is condensed in condenser 3, heat is discharged, condensed medium is back in evaporator 4 again to be evaporated to absorb in cavity
Heat, so circulation realize the heat constantly taken away in cavity, to realize the radiating to whole photovoltaic DC-to-AC converter.This practicality is new
The heat abstractor that type provides realizes radiating by the phase transformation of medium, and heat transfer temperature difference is low, and radiating efficiency is high, and small volume, it is in light weight,
It is simple in construction, magnetic device and power device can be arranged on using above-mentioned heat abstractor inside casing 1, it is not necessary to be arranged on again
In air channel, and then the power density of photovoltaic DC-to-AC converter can be greatly improved.
Wherein, the pipeline for flow of media is provided between condenser 3 and evaporator 4, it may be necessary to set on pipeline
Put transfer tube.
Preferably, the set location of condenser 3 can be higher than the set location of evaporator 4, and such medium is cold by evaporating
Solidifying draught head and Action of Gravity Field can be with spontaneous completion heat transfer cycles, without installing transfer tube.
Installation for the ease of condenser 3 is fixed, and the top in casing 1 is provided with the installation cavity for accommodating condenser 3,
Specifically installation cavity can be located at the upside of seal cavity.Further, in order to improve heat exchange efficiency, the roof of casing 1 and side
It is provided with air vent 2 on one in wall, fan 7 is provided with another in the roof and side wall of casing 1.Such fan 7
Effect, the air in installation cavity is excluded from air vent 2, accelerate the speed air flow around condenser 3, condenser 3
The heat distributed can be taken away by air quickly.Specifically, air vent 2 is provided with the roof of casing 1, in the side wall of casing 1
It is provided with fan 7.
Certainly, condenser 3 can also be arranged on the upside of the roof of casing 1 i.e. outside casing 1, be not limited thereto.
At least one seal cavity is included in multiple cavities, remaining cavity in addition to seal cavity is ventilation housing, ventilation
Heat exchange through hole is offered on the wall of cavity.Specifically the magnetic device of photovoltaic DC-to-AC converter and power device can be arranged on annular seal space
In body, remaining part is arranged in ventilation housing, to improve the radiating efficiency of whole photovoltaic DC-to-AC converter.
Preferably, two adjacent cavitys can be separated by evaporator 4.I.e. the side of evaporator be a cavity and
Opposite side is another cavity, fluid sealant is applied around evaporator 4, to reach the purpose of sealing.
Wherein, condenser 3 can be more folding condensers, and evaporator 4 is plate evaporator, so easily facilitates evaporator
4 installation is fixed.Evaporator 4 is fixed by screws in seal cavity, and is sealed in surrounding gluing, and air is in fan 7
Under driving, condenser 3 is flowed through, is discharged from top outlet inlet.Condenser 3 and evaporator 4 can use parallel-flow heat exchanger, have
The advantages that heat exchange efficiency is high, the temperature difference is small, resistance is low, technical maturity.
Based on the heat abstractor provided in above-described embodiment, the utility model additionally provides a kind of photovoltaic DC-to-AC converter, the light
Lying prostrate inverter includes any one heat abstractor in above-described embodiment.Because the photovoltaic DC-to-AC converter is employed in above-described embodiment
Heat abstractor, so the beneficial effect of the photovoltaic DC-to-AC converter refer to above-described embodiment.
Wherein, the magnetic device of photovoltaic DC-to-AC converter and power device can be arranged in same cavity, and set magnetic device
The cavity of part and power device is seal cavity to discharge heat caused by magnetic device and power device in time.Certainly, seal
Other devices can also be installed in cavity, be not limited thereto.
In above-described embodiment, a wall for setting the seal cavity of magnetic device and power device is the side of evaporator 4,
I.e. evaporator separates the seal cavity for setting magnetic device and power device with another cavity, so avoids setting for dividing plate
Put.
Specifically, magnetic device and power device can be each attached on evaporator 4, and magnetic device and evaporator 4 it
Between and power device and evaporator 4 between be coated with heat-conducting silicone grease, to reduce its thermal contact resistance, be allowed to fully contact.Magnetic
Property device and power device can be fitted on evaporator 4, be not limited thereto.
Preferably, magnetic device and power device include inductance and IGBT5 (Insulated Gate Bipolar
Transistor, insulated gate bipolar transistor), certainly, magnetic device and power device can also include other parts, herein
It is not construed as limiting.
Specifically, the quantity of cavity can be two, and two cavitys are respectively front cavity 8 and rear chamber 9, evaporator 4
Side be that front cavity opposite side is rear chamber 9, evaporator 4 separates front cavity and rear chamber 9.Wherein front cavity 8 is sealing
Cavity, magnetic device and power device are arranged in front cavity 8.Wherein, front cavity 8 close to photovoltaic DC-to-AC converter front door, after
Rear Door of the cavity 9 close to photovoltaic DC-to-AC converter.
Each embodiment is described by the way of progressive in this specification of 9 rear chamber of rear chamber 9, and each embodiment emphasis is said
Bright is all the difference with other embodiment, between each embodiment identical similar portion mutually referring to.
The foregoing description of the disclosed embodiments, professional and technical personnel in the field are enable to realize or new using this practicality
Type.A variety of modifications to these embodiments will be apparent for those skilled in the art, determine herein
The General Principle of justice can be realized in other embodiments in the case where not departing from spirit or scope of the present utility model.Cause
This, the utility model is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The most wide scope consistent with features of novelty.
Claims (10)
- A kind of 1. heat abstractor of photovoltaic DC-to-AC converter, it is characterised in that including：Casing (1), the casing (1) is internal to have multiple cavities；For the evaporator (4) to cool to the cavity；Condenser (3), flowed to after the medium evaporation in the evaporator (4) in the condenser (3), the condenser (3) In medium condensation after be back in the evaporator (4).
- 2. the heat abstractor of photovoltaic DC-to-AC converter according to claim 1, it is characterised in that the setting of the condenser (3) Position is higher than the set location of the evaporator (4).
- 3. the heat abstractor of photovoltaic DC-to-AC converter according to claim 2, it is characterised in that the top in the casing (1) It is provided with for accommodating the installation cavitys of the condenser (3), is provided with one in the roof and side wall of the casing (1) logical Air holes (2), fan (7) is provided with another in the roof and side wall of the casing (1).
- 4. the heat abstractor of photovoltaic DC-to-AC converter according to claim 1, it is characterised in that comprising extremely in multiple cavitys A few seal cavity, remaining described cavity in addition to the seal cavity is ventilation housing, is opened on the wall of the ventilation housing Provided with heat exchange through hole.
- 5. the heat abstractor of the photovoltaic DC-to-AC converter according to any one of claim 1-4, it is characterised in that the evaporator (4) side is a cavity and opposite side is another described cavity, and the evaporator (4) is by described in adjacent two Cavity separates.
- 6. a kind of photovoltaic DC-to-AC converter, it is characterised in that including the heat abstractor as any one of claim 1-5.
- 7. photovoltaic DC-to-AC converter according to claim 6, it is characterised in that the magnetic device and power of the photovoltaic DC-to-AC converter Device is arranged in the same cavity, and the cavity of the setting magnetic device and power device is seal cavity.
- 8. photovoltaic DC-to-AC converter according to claim 7, it is characterised in that the close of the magnetic device and power device is set An inwall for sealing cavity is the side of evaporator (4).
- 9. photovoltaic DC-to-AC converter according to claim 8, it is characterised in that the magnetic device and power device are each attached to On the evaporator (4), and between the magnetic device and the evaporator (4) and the power device and the evaporator (4) heat-conducting silicone grease is coated between.
- 10. photovoltaic DC-to-AC converter according to claim 6, it is characterised in that the quantity of the cavity is two and is respectively Front cavity (8) and rear chamber (9), the side of the evaporator (4) are that front cavity opposite side is rear chamber (9), the evaporator The front cavity and rear chamber (9) are separated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720953444.6U CN207040129U (en) | 2017-08-01 | 2017-08-01 | Photovoltaic DC-to-AC converter and its heat abstractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720953444.6U CN207040129U (en) | 2017-08-01 | 2017-08-01 | Photovoltaic DC-to-AC converter and its heat abstractor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207040129U true CN207040129U (en) | 2018-02-23 |
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ID=61463460
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720953444.6U Active CN207040129U (en) | 2017-08-01 | 2017-08-01 | Photovoltaic DC-to-AC converter and its heat abstractor |
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| CN (1) | CN207040129U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110213942A (en) * | 2019-05-31 | 2019-09-06 | 北京无线电测量研究所 | A kind of integrated Liquid cooling chasis and its two-phase heat-transferring method based on two-phase heat transfer |
| CN110230899A (en) * | 2019-06-17 | 2019-09-13 | 阳光电源股份有限公司 | Photovoltaic generating system and its radiator, heat dissipating method |
-
2017
- 2017-08-01 CN CN201720953444.6U patent/CN207040129U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110213942A (en) * | 2019-05-31 | 2019-09-06 | 北京无线电测量研究所 | A kind of integrated Liquid cooling chasis and its two-phase heat-transferring method based on two-phase heat transfer |
| CN110230899A (en) * | 2019-06-17 | 2019-09-13 | 阳光电源股份有限公司 | Photovoltaic generating system and its radiator, heat dissipating method |
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