CN204993240U - Compound phase change cooling heat dissipation photovoltaic terminal box device of microflute crowd - Google Patents
Compound phase change cooling heat dissipation photovoltaic terminal box device of microflute crowd Download PDFInfo
- Publication number
- CN204993240U CN204993240U CN201520727142.8U CN201520727142U CN204993240U CN 204993240 U CN204993240 U CN 204993240U CN 201520727142 U CN201520727142 U CN 201520727142U CN 204993240 U CN204993240 U CN 204993240U
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- China
- Prior art keywords
- phase change
- change cooling
- microflute
- composite phase
- junction box
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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
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- Photovoltaic Devices (AREA)
Abstract
The utility model relates to a compound phase change cooling heat dissipation photovoltaic terminal box device of microflute crowd, including the photovoltaic terminal box, set up generate heat device or heat transfer device in the photovoltaic terminal box, still include the compound phase change cooling radiator of microflute crowd, this radiator setting is on the surface that generates heat that generates heat device or heat transfer device. Compared with the prior art, the utility model discloses can reduce the temperature of diode in the photovoltaic terminal box by a wide margin, improve heat -sinking capability, realize that the photovoltaic terminal box rapidly, dispel the heat effectively, has prolonged the life of photovoltaic terminal box, ensure the reliable and safety of photovoltaic module in the use, make its better, more efficient work.
Description
Technical field
The utility model relates to photovoltaic generation technical field of heat dissipation, especially relates to a kind of micro slot group composite phase change cooling heat dissipation photovoltaic junction box device.
Background technology
Photovoltaic junction box, as a vitals of solar module, is collection electrical design, the cross-cutting comprehensive design that combines of Machine Design and material science, for user provide solar module in conjunction with connection scheme.As the connector of solar module, cost shared by terminal box, not as good as 1/10th of battery cost, plays very important effect in solar module.
Along with the fast development of photovoltaic market, the requirement of assembly manufacturer to related components is more and more higher, and the terminal box role as assembly connector is particularly important, and wherein the heat dispersion of terminal box receives especially and pays close attention to widely.Along with the continuity of service time, the not good meeting of terminal box heat dispersion brings negative and even fatal impact to assembly, and other undesirable conditions such as such as EVA delamination, EVA and notacoria accelerated ageing, even can cause assembly to burn phenomenon.In order to useful life and the electrical safety performance of Assurance component, terminal box must possess excellent heat dispersion.
For permanent use angle consideration from now on, design the terminal box of superior heat radiation performance, for user provides safer, reliable high-quality terminal box, the target that Shi Ge great terminal box manufacturer constantly makes great efforts and pursues.
Chinese patent CN102593216A discloses a kind of heat dissipation type photovoltaic terminal box, comprises the photovoltaic junction box base and photovoltaic junction box upper cover that mutually cover, is provided with terminal assemblies, strutting piece and diode in photovoltaic junction box base; Strutting piece is connected with terminal assemblies, and the terminal assemblies being connected with strutting piece is installed in photovoltaic junction box base, and be connected with photovoltaic junction box base by strutting piece, diode is installed between terminal assemblies.Terminal assemblies of the present utility model does not directly contact with photovoltaic junction box base, can prevent terminal assemblies thermal burn photovoltaic junction box base.Each terminal assemblies has through hole near installed surface, forms convection current; Each terminal assemblies front portion has U-type groove to lead to upper space, forms convection current; Effectively expand convection space, rapid heat dissipation, unlikely burn photovoltaic junction box base, reliability is high, but the radiating mode that this patent adopts mainly relies on the space increased in terminal box, utilizes cross-ventilation to reach the object of heat radiation, inherently do not solve the problem of transmission of terminal box heat.
Utility model content
The purpose of this utility model is exactly provide a kind of temperature significantly reducing diode in photovoltaic junction box to overcome defect that above-mentioned prior art exists, improves the micro slot group composite phase change cooling heat dissipation photovoltaic junction box device of heat-sinking capability.
The purpose of this utility model can be achieved through the following technical solutions:
A kind of micro slot group composite phase change cooling heat dissipation photovoltaic junction box device, comprise photovoltaic junction box, be arranged on the heater members in photovoltaic junction box or Thermal Conduction Equipment, also comprise micro slot group composite phase change cooling radiator, this radiator is arranged on the heating surface of heater members or Thermal Conduction Equipment.
Described micro slot group composite phase change cooling radiator is a vacuum seal cavity, is loaded with liquid working substance evaporation and heat-exchange in microflute in cavity, and the steam after evaporation carries out condensation heat at the cold junction of radiator, flows back in the liquid pool in cavity after condensing into liquid.
The heating surface of vacuum tightness cavity inner wall is provided with the microflute group of numerous microflute compositions, and the size of microflute is applicable to forming capillary force, is sucked in microflute by liquid working substance in cavity.
Described microflute is rectangle or trapezoidal.
Described cold junction is the micro groove structure being arranged on vacuum tightness chamber outer wall, relies on air natural cooling.The metal material that material selection thermal conductivity is good, as copper, aluminium, stainless steel etc.
Described liquid working substance is organic liquid or the inorganic liquid with the higher latent heat of vaporization.
Described liquid working substance is distilled water or absolute ethyl alcohol.
Described micro slot group composite phase change cooling radiator is made up of thermal conductive metallic material.
Compared with prior art, the heat-sinking capability that the utility model solves the existence of conventional photovoltaic terminal box is poor, the technical disadvantages such as security reliability is low, provide one and there is high heat radiation flux, noiselessness, idle, safe and reliable heat-obtaining mode, by adopting micro slot group composite phase change cooling heat dissipation technology, photovoltaic junction box is combined with micro capillary groove evaporator, by the thin liquid film evaporation of liquid in microflute group and the heat radiation of micro-scale composite phase-change heat transfer characteristic realization to photovoltaic junction box of thick liquid film boiling, thus the heat conduction that junction box heater members produces is gone out, improve the heat dispersion of terminal box, make it have longer useful life and electric property more completely, significantly reduce the temperature of diode in photovoltaic junction box, improve the heat-sinking capability of photovoltaic junction box, there are market prospects widely.
The micro slot group composite phase change cooling radiator used is a vacuum-tight cavity, its heating surface (microflute group face) fits tightly with the heater members of terminal box, the effect of capillary force is relied on to suck in microflute by liquid working substance, liquid working substance undergoes phase transition by thermal evaporation, becomes gaseous state by liquid rotating, thus is taken away by the heat of heater members, and condense at the cold junction of radiator, again change liquid backflow into in cavity liquid pool, the liquid working substance evaporated is supplemented, reciprocation cycle.The advantage of the application is by the liquid working substance in micro slot group composite phase change cooling radiator, the heat that diodes inside terminal box produces is passed to radiator cold junction by circulation, be passed to the external world by cold junction, solve the hypodynamic technological deficiency of conventional electrical connectors heat radiation energy.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of micro slot group composite phase change cooling radiator.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in detail.
Embodiment
A kind of micro slot group composite phase change cooling heat dissipation photovoltaic junction box device, its structure as shown in Figure 1, comprise photovoltaic junction box 1, be arranged on the heater members in photovoltaic junction box 1 or Thermal Conduction Equipment 3, also comprise micro slot group composite phase change cooling radiator 2, this radiator is arranged on the heating surface of heater members or Thermal Conduction Equipment 3, to dispel the heat in time, promptly.By adopting micro slot group composite phase change cooling heat dissipation technology, photovoltaic junction box is combined with micro capillary groove evaporator, thus the heat conduction that junction box heater members produces is gone out, improve the heat dispersion of terminal box, make it have longer useful life and electric property more completely.
The structure of micro slot group composite phase change cooling radiator 2 as shown in Figure 2, is a vacuum seal cavity, is made up of thermal conductive metallic material.Be loaded with liquid working substance evaporation and heat-exchange in microflute in cavity, the steam after evaporation carries out condensation heat at the cold junction of radiator, flows back in the liquid pool 4 in cavity after condensing into liquid, completes one from heat-obtaining to the duty cycle of outwards heat radiation.The heating surface of vacuum tightness cavity inner wall is provided with the microflute group of numerous microflute 5 compositions, and the size of microflute 5 is applicable to forming capillary force, is sucked in microflute by liquid working substance in cavity.The shape of microflute 5 is rectangle or trapezoidal, and the present embodiment is rectangular configuration.
Cold junction 6, for being arranged on the micro groove structure of vacuum tightness chamber outer wall, relies on air natural cooling.The metal material that material selection thermal conductivity is good, as copper, aluminium, stainless steel etc., by air circulation or naturally cooling.The liquid working substance used is organic liquid or the inorganic liquid with the latent heat of vaporization, such as, can be distilled water or absolute ethyl alcohol.Whole micro slot group composite phase change cooling radiator can be made up of thermal conductive metallic material.
The micro slot group composite phase change cooling radiator that the utility model uses is a vacuum-tight cavity, its heating surface (microflute group face) fits tightly with the heater members of terminal box, the effect of capillary force is relied on to suck in microflute by liquid working substance, liquid working substance undergoes phase transition by thermal evaporation, gaseous state is become by liquid rotating, thus the heat of heater members is taken away, and condense at the cold junction of radiator, again liquid backflow is changed into in cavity liquid pool, the liquid working substance evaporated is supplemented, reciprocation cycle.The advantage of the application is by the liquid working substance in micro slot group composite phase change cooling radiator, the heat that diodes inside terminal box produces is passed to radiator cold junction by circulation, be passed to the external world by cold junction, solve the hypodynamic technological deficiency of conventional electrical connectors heat radiation energy.
Claims (8)
1. a micro slot group composite phase change cooling heat dissipation photovoltaic junction box device, comprise photovoltaic junction box, be arranged on the heater members in photovoltaic junction box or Thermal Conduction Equipment, it is characterized in that, also comprise micro slot group composite phase change cooling radiator, this radiator is arranged on the heating surface of heater members or Thermal Conduction Equipment.
2. a kind of micro slot group composite phase change cooling heat dissipation photovoltaic junction box device according to claim 1, it is characterized in that, described micro slot group composite phase change cooling radiator is a vacuum seal cavity, liquid working substance evaporation and heat-exchange in microflute is loaded with in cavity, steam after evaporation carries out condensation heat at the cold junction of radiator, flows back in the liquid pool in cavity after condensing into liquid.
3. a kind of micro slot group composite phase change cooling heat dissipation photovoltaic junction box device according to claim 2, it is characterized in that, the heating surface of vacuum tightness cavity inner wall is provided with the microflute group of numerous microflute compositions, and the size of microflute is applicable to forming capillary force, is sucked in microflute by liquid working substance in cavity.
4. a kind of micro slot group composite phase change cooling heat dissipation photovoltaic junction box device according to claim 2, it is characterized in that, described microflute is rectangle or trapezoidal.
5. a kind of micro slot group composite phase change cooling heat dissipation photovoltaic junction box device according to claim 2, it is characterized in that, described cold junction is the micro groove structure being arranged on vacuum tightness chamber outer wall, relies on air natural cooling.
6. a kind of micro slot group composite phase change cooling heat dissipation photovoltaic junction box device according to claim 2, it is characterized in that, described liquid working substance is organic liquid or the inorganic liquid with the higher latent heat of vaporization.
7. a kind of micro slot group composite phase change cooling heat dissipation photovoltaic junction box device according to claim 6, it is characterized in that, described liquid working substance is distilled water or absolute ethyl alcohol.
8. a kind of micro slot group composite phase change cooling heat dissipation photovoltaic junction box device according to any one of claim 1-7, it is characterized in that, described micro slot group composite phase change cooling radiator is made up of thermal conductive metallic material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520727142.8U CN204993240U (en) | 2015-09-18 | 2015-09-18 | Compound phase change cooling heat dissipation photovoltaic terminal box device of microflute crowd |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520727142.8U CN204993240U (en) | 2015-09-18 | 2015-09-18 | Compound phase change cooling heat dissipation photovoltaic terminal box device of microflute crowd |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204993240U true CN204993240U (en) | 2016-01-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520727142.8U Expired - Fee Related CN204993240U (en) | 2015-09-18 | 2015-09-18 | Compound phase change cooling heat dissipation photovoltaic terminal box device of microflute crowd |
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| CN (1) | CN204993240U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107204563A (en) * | 2016-03-18 | 2017-09-26 | 清华大学 | A kind of cooling device for solid state laser gain medium |
| CN109003954A (en) * | 2018-08-17 | 2018-12-14 | 大连恒能高导科技有限公司 | Radiator |
-
2015
- 2015-09-18 CN CN201520727142.8U patent/CN204993240U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107204563A (en) * | 2016-03-18 | 2017-09-26 | 清华大学 | A kind of cooling device for solid state laser gain medium |
| CN107204563B (en) * | 2016-03-18 | 2019-09-20 | 清华大学 | A kind of cooling device for solid state laser gain medium |
| CN109003954A (en) * | 2018-08-17 | 2018-12-14 | 大连恒能高导科技有限公司 | Radiator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160120 Termination date: 20170918 |