CN218920372U - Inverter with a power supply - Google Patents
Inverter with a power supply Download PDFInfo
- Publication number
- CN218920372U CN218920372U CN202223002941.8U CN202223002941U CN218920372U CN 218920372 U CN218920372 U CN 218920372U CN 202223002941 U CN202223002941 U CN 202223002941U CN 218920372 U CN218920372 U CN 218920372U
- Authority
- CN
- China
- Prior art keywords
- inverter
- coating
- radiating surface
- mass
- polyurethane
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Inverter Devices (AREA)
Abstract
The utility model discloses an inverter, comprising: an outer housing; a support connected with the outer housing; a heat generating device disposed within the outer housing; the outer shell is sprayed with a paint surface for improving solar reflectance, the paint surface comprises a first coating for reflecting and absorbing ultraviolet rays and a second coating for reflecting sunlight, and the second coating covers the first coating; the first coating comprises titanium dioxide, polyurethane and water; the second coating comprises boehmite, polyurethane, and water. Through the arrangement, the reflection capability of the surface of the inverter to sunlight and ultraviolet rays is improved, the temperature in the inverter is reduced, and the safety of the inverter is improved.
Description
Technical Field
The utility model relates to the field of photovoltaic power generation, in particular to an inverter.
Background
Under the macroscopic trend of global carbon emission reduction, the distributed photovoltaic new installation is reversely and supersntrically arranged, the semi-wall Jiangshan of the domestic photovoltaic market is gradually occupied, the proportion of the semi-wall Jiangshan in the year is increased to 64%, the industrial and commercial distributed photovoltaic with the best income is more flame and explosion, and the same proportion is increased by 500%. The distributed photovoltaic all gathers group's serial dc-to-ac converter, and group's serial dc-to-ac converter is generally placed in the open air, and it has good protection level, but the heat dispersion ability is extremely poor, can only solve with the radiating mode of fan to high-power group's serial dc-to-ac converter, not only environmental protection, still has the potential safety hazard.
Disclosure of Invention
In order to solve the defects in the prior art, the utility model aims to provide an inverter capable of improving heat dissipation capacity.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
an inverter includes an outer case; the support piece is connected with the outer shell; the heating device is arranged in the outer shell; the outer shell is sprayed with a paint surface for improving solar reflectance, the paint surface comprises a first coating for reflecting and absorbing ultraviolet rays and a second coating for reflecting sunlight, and the second coating covers the first coating; the first coating comprises titanium dioxide, polyurethane and water; the second coating comprises boehmite, polyurethane, and water.
Further, the ratio between the mass of the titanium pigment and the mass of the polyurethane is 1 or more and 1.6 or less.
Further, the ratio between the mass of boehmite and the mass of polyurethane is 0.3 or more and 0.5 or less.
Further, a ratio of the thickness of the first coating layer to the thickness of the second coating layer is 380 or more and 580 or less.
Further, the second coating layer is provided as a colorless coating layer capable of improving light transmittance.
Further, the outer case includes a first heat radiating surface and a second heat radiating surface, the second heat radiating surface is disposed at a rear side of the inverter, and the first heat radiating surface forms a substantially closed accommodating space around the second heat radiating surface; the end face of one side of the first radiating surface, which is close to the accommodating space, is sprayed with aerogel materials.
Further, the outer shell comprises a first type of material and a second type of material, wherein the first type of material is aluminum, and the second type of material is iron; the first radiating surface is made of a first type of material, and the second radiating surface is made of a second type of material.
Further, a heat dissipation structure is arranged on the second heat dissipation surface, and the heat dissipation structure is basically columnar.
Further, on a projection plane perpendicular to the front-rear direction of the inverter, a projection area formed by the heat dissipation structure around the projection plane along the front-rear direction of the inverter is S1, a projection area formed by the second heat dissipation surface around the projection plane along the front-rear direction of the inverter is S2, and a ratio of S1 to S2 is 0.61 or more and 0.92 or less.
Further, the heat dissipation structure and the second heat dissipation surface are integrally formed and protrude or recess along the front-rear direction of the inverter; or the heat dissipation structure is arranged as a metal pipe which is arranged in a winding way and is filled with cooling liquid.
The multi-layer coating is sprayed on the outer shell of the inverter, so that the reflecting capacity of the inverter to sunlight and ultraviolet rays is improved, the internal temperature of the inverter during working is reduced, and the service life of the inverter is prolonged.
Drawings
Fig. 1 is a schematic diagram of a first view angle of an inverter in an embodiment of the present application.
Fig. 2 is a schematic diagram of a second view angle of the inverter in the embodiment of the present application.
Fig. 3 is a schematic view of a first coating in an embodiment of the present application.
Fig. 4 is a schematic illustration of a second coating in an embodiment of the present application.
Fig. 5 is a schematic view of a second heat dissipating surface in an embodiment of the present application.
Detailed Description
In order to make the present utility model better understood by those skilled in the art, the technical solutions in the specific embodiments of the present utility model will be clearly and completely described with reference to the accompanying drawings in the embodiments of the present utility model.
As shown in fig. 1 and 2, an inverter 100 includes an outer case 11, a support 12, and a heat generating device 13. The outer case 11 is provided as a main body of the inverter 100 for protecting components inside the inverter 100. The support 12 is connected to the outer housing 11 for fixing the outer housing 11. The heat generating device 13 is disposed within the outer housing 11. For clarity of description of the technical solution of the present application, the front side, the rear side, the upper side and the lower side are also defined as shown in fig. 1.
As shown in fig. 3 and 4, as an implementation manner, the outer shell 11 is sprayed with a paint surface 14, and the reflectivity of the outer shell 11 to sunlight is improved through the sprayed paint surface 14, so that the temperature of the inverter 100 is reduced, and the heating device 13 in the inverter 100 is protected. Specifically, the paint 14 includes a first coating 141 and a second coating 142, the first coating 141 covering the surface of the outer case 11, the first coating 141 mainly reflecting sunlight to reduce the temperature inside the inverter 100. The second coating layer 142 covers the first coating layer 141, and the second coating layer 142 is mainly used to absorb and reflect ultraviolet rays, thereby improving reflectivity of the inverter 100. Further, the first coating 141 includes titanium pigment, polyurethane, and a solvent, wherein the solvent may be set as water. In addition, the first coating layer 141 further includes a light stabilizer, an antistatic agent, a mold inhibitor, or the like for protecting the outer case 11, or an auxiliary agent for promoting sufficient mixing of titanium pigment, polyurethane, and a solvent. The titanium dioxide may be rutile titanium dioxide, so that the reflectivity of the second coating 142 to sunlight is improved, and the second coating 142 has higher radiation refrigerating rate.
Specifically, the second coating 142 includes boehmite, polyurethane, and a solvent, wherein the solvent may be provided as water. In addition, the second coating layer 142 further includes a light stabilizer, an antistatic agent, a mold inhibitor, or the like for protecting the outer shell 11, or an auxiliary agent promoting thorough mixing of boehmite, polyurethane, and a solvent. Thereby improving the ultraviolet ray absorption and reflection capability of the second coating layer 142, and simultaneously reducing the solar light absorption rate of the second coating layer 142, thereby reducing the temperature of the inverter 100.
Specifically, the second coating layer 142 is provided as a colorless coating layer, so that when sunlight irradiates the inverter 100, the absorptivity of the second coating layer 142 to sunlight is reduced, and the optical performance of the second coating layer 142 is improved.
As one implementation, in preparing the coating of the first coating 141, the ratio between the mass of titanium pigment and the mass of polyurethane is 1 or more and 1.6 or less. Further, the ratio between the mass of the titanium pigment and the mass of the polyurethane is 1.2 or more and 1.5 or less. Further, the ratio between the mass of titanium pigment and the mass of polyurethane is equal to 1.33. By the arrangement, the reflectivity of the first coating 141 to sunlight is improved, and the first coating 141 is ensured to have higher radiation refrigeration power, so that the temperature in the inverter 100 is reduced.
As one implementation, in preparing the paint of the first coating 141, the ratio between the mass of the titanium white powder and the mass of the solvent is 1 or more and 1.6 or less. Further, the ratio between the mass of the titanium pigment and the mass of the polyurethane is 1.2 or more and 1.5 or less. Further, the ratio between the mass of titanium pigment and the mass of polyurethane is equal to 1.33. By the arrangement, the reflectivity of the first coating 141 to sunlight is improved, and the first coating 141 is ensured to have higher radiation refrigeration power, so that the temperature in the inverter 100 is reduced.
In this embodiment, the ratio between the mass of titanium white, the mass of polyurethane, and the mass of solvent is set to 4:3:3. thereby increasing the reflectivity of the first coating 141 to sunlight and reducing the temperature inside the inverter 100. Wherein, the reflectivity of the first coating 141 to sunlight is greater than or equal to 0.8 and less than or equal to 0.9.
As one implementation, in preparing the coating of the second coating layer 142, the ratio between the mass of boehmite and the mass of polyurethane is 0.3 or more and 0.5 or less. Further, a ratio between the mass of boehmite and the mass of polyurethane is 0.35 or more and 0.45 or less. More specifically, the ratio between the mass of boehmite and the mass of polyurethane is equal to 0.4. By the above arrangement, the reflection and absorption of ultraviolet rays by the second coating layer 142 are improved, and at the same time, the absorptivity of sunlight by the second coating layer 142 is reduced, thereby reducing the temperature inside the inverter 100.
As one implementation, in preparing the coating of the second coating layer 142, the ratio between the mass of boehmite and the mass of the solvent is 0.53 or more and 0.8 or less. Further, a ratio between the mass of boehmite and the mass of the solvent is 0.6 or more and 0.73 or less. More specifically, the ratio between the mass of boehmite and the mass of solvent is equal to 0.67. By the above arrangement, the reflection and absorption of ultraviolet rays by the second coating layer 142 are improved, and at the same time, the absorptivity of sunlight by the second coating layer 142 is reduced, thereby reducing the temperature inside the inverter 100.
In the present embodiment, the ratio between the mass of boehmite, the mass of polyurethane, and the mass of solvent is set to 2:5:3. thereby enhancing the reflection and absorption of ultraviolet light by the second coating 142 and reducing the temperature within the inverter 100.
As shown in fig. 3 and 4, as one implementation, the outer case 11 includes a first heat radiating surface 111 and a second heat radiating surface 112, and the first heat radiating surface 111 and the second heat radiating surface 112 are surrounded by a substantially closed accommodating space 113, and the heat generating device 13 is disposed in the accommodating space 113. Specifically, the second heat radiation surface 112 is provided as a rear end surface of the inverter 100, and the first heat radiation surface 111 is provided as other end surfaces of the inverter 100 than the rear end surface. During the arrangement of the inverter 100, the first heat radiating surface 111 is mainly provided as a sunny surface of the inverter 100, absorbs ultraviolet rays of the sun, and heat radiation through the first heat radiating surface 111, and reflects the ultraviolet rays and the heat radiation of the sun, thereby reducing the internal temperature of the inverter 100, protecting the heat generating device 13 provided in the accommodating space 113. The second heat dissipating surface 112 is provided as a back-and-forth surface of the inverter 100, and heat in the accommodating space 113 is transferred to the outside of the inverter 100 through the second heat dissipating surface 112 by the difference between the inner and outer temperatures of both sides of the second heat dissipating surface 112, thereby reducing the internal temperature of the inverter 100 and protecting the heat generating device 13 provided in the accommodating space 113.
As one implementation, when the first coating layer 141 is substantially uniformly sprayed on the surface of the outer case 11 and the second coating layer 142 is substantially uniformly sprayed on the surface of the first coating layer 141, a ratio between the thickness D1 of the first coating layer 141 and the thickness D2 of the second coating layer 142 is 380 or more and 580 or less. Further, a ratio between the thickness D1 of the first coating layer 141 and the thickness D2 of the second coating layer 142 is 430 or more and 530 or less. More specifically, the ratio between the thickness D1 of the first coating layer 141 and the thickness D2 of the second coating layer 142 is equal to 480. As can be appreciated, since the inverter 100 is disposed outdoors, there is less shielding. With the above arrangement, the water resistance and corrosion resistance of the inverter 100 are improved.
As shown in fig. 3, as one implementation, the outer case 11 includes a first heat radiating surface 111 and a second heat radiating surface 112, and the first heat radiating surface 111 and the second heat radiating surface 112 together constitute the outer case 11 of the inverter 100 for protecting the heat generating device 13 provided in the inverter 100. The second heat radiating surface 112 is disposed at the rear side of the inverter 100, and the first heat radiating surface 111 forms a substantially sealed accommodating space 113 around the second heat radiating surface 112, and the heat generating device 13 is disposed in the accommodating space 113. Specifically, the aerogel material 114 is disposed on an end surface of the first heat dissipating surface 111 near the accommodating space 113, and the aerogel material 114 uniformly covers an end surface of the first heat dissipating surface 111 near the accommodating space 113. The aerogel material 114 and the first heat dissipating surface 111 are connected by an adhesive 115. Thereby reducing the transmission of external heat into the accommodating space 113. In addition, the flame retardant effect of the inverter 100 is enhanced by the aerogel material 114, and the safety of the inverter 100 is enhanced.
In addition, the paint 14 further includes a third coating 143, the third coating 143 being provided as a protective layer, the third coating 143 being substantially uniformly coated over the second coating 142. Specifically, the paint of the third coating layer 143 mainly includes an organic silicon material, thereby improving the waterproof and corrosion resistance of the inverter 100. Further, the first and second coatings 141 and 142 are protected by the third coating 143, thereby preventing the outer case 11 from rusting.
As an implementation, the outer case 11 further includes a first type of material and a second type of material, the first type of material being provided as an iron material, the second type of material being provided as an aluminum material. Specifically, the first heat dissipating surface 111 is provided as a first type of material. The first material is a low thermal conductivity material, so that external heat is prevented from being introduced into the inverter 100 through the first radiating surface 111, the ambient temperature in the inverter 100 is reduced, and the service life of the heating device 13 is prolonged.
Specifically, the second heat dissipating surface 112 is configured as a second type material, where the second type material includes at least characteristics of light weight, corrosion resistance, strong plasticity, and the like, so as to satisfy the protection level requirement of the inverter 100 while dissipating heat inside the accommodating space 113. In addition, the second type of material may also be provided as an aluminum-containing alloy material.
As shown in fig. 5, as an implementation manner, the second heat dissipating surface 112 is provided with a heat dissipating structure 1121, and the heat dissipating structure 1121 is substantially cylindrical, so as to increase a contact area between the second heat dissipating surface 112 and air. Specifically, the heat dissipation structure 1121 and the second heat dissipation surface 112 are integrally formed. The heat radiation structure 1121 may be provided only on an end surface of the second heat radiation surface 112 toward the front side or the rear side of the inverter 100. As another implementation manner, the heat dissipation structures 1121 are respectively disposed on the end surfaces of the front and rear sides of the second heat dissipation surface 112, so as to increase the contact area between the second heat dissipation surface 112 and air and improve the heat dissipation effect of the inverter 100.
As shown in fig. 5, as an implementation, on one projection plane 101 perpendicular to the front-rear direction of the inverter 100, a projection area formed around the projection plane 101 in the front-rear direction of the inverter 100 by the heat radiation structure 1121 is S1, a projection area formed around the projection plane 101 in the front-rear direction of the inverter 100 by the second heat radiation surface 112 is S2, and a ratio between the projection area S1 of the heat radiation structure 1121 and the projection area S2 of the second heat radiation surface 112 is 0.61 or more and 0.92 or less. Further, the ratio between the projected area S1 of the heat dissipation structure 1121 and the projected area S2 of the second heat dissipation surface 112 is 0.69 or more and 0.84 or less. More specifically, the ratio between the projected area S1 of the heat radiation structure 1121 and the projected area S2 of the second heat radiation surface 112 is equal to 0.77. Thereby increasing the contact area between the second heat radiating surface 112 and the air and thus reducing the operating temperature in the inverter 100.
As another implementation manner, the second heat dissipating surface 112 may further increase the heat dissipating effect of the second heat dissipating surface 112 by providing heat dissipating holes, that is, the inverter 100 communicates with the outside through the heat dissipating holes. The size and number of the heat dissipation holes are adjusted according to actual conditions, so that rainwater or sand can be prevented from entering the accommodating space 113 under the condition of optimizing the heat dissipation capacity of the inverter 100.
As another implementation manner, the heat dissipation structure 1121 may be further configured as a metal tube filled with a cooling liquid, and the metal tube is meandered on the second heat dissipation surface 112, so as to increase the contact area between the metal tube and the second heat dissipation surface 112. The heat inside the inverter 100 is absorbed by the coolant inside the metal pipe, thereby lowering the temperature of the inverter 100.
It will be understood that modifications and variations will be apparent to those skilled in the art from the foregoing description, and it is intended that all such modifications and variations be included within the scope of the following claims.
Claims (10)
1. An inverter, comprising:
an outer housing;
a support connected with the outer housing;
a heat generating device disposed within the outer housing;
it is characterized in that the method comprises the steps of,
the outer shell is sprayed with a paint surface for improving solar reflectance, the paint surface comprises a first coating for reflecting and absorbing ultraviolet rays and a second coating for reflecting sunlight, and the second coating covers the first coating; the first coating comprises titanium dioxide, polyurethane and water; the second coating comprises boehmite, polyurethane, and water.
2. The inverter according to claim 1, wherein,
the ratio between the mass of the titanium dioxide and the mass of the polyurethane is more than or equal to 1 and less than or equal to 1.6.
3. The inverter according to claim 1, wherein,
the ratio between the mass of the boehmite and the mass of the polyurethane is 0.3 or more and 0.5 or less.
4. The inverter according to claim 1, wherein,
the ratio of the thickness of the first coating layer to the thickness of the second coating layer is 380 or more and 580 or less.
5. The inverter according to claim 1, wherein,
the second coating is provided as a colorless coating capable of improving light transmission properties.
6. The inverter according to claim 1, wherein,
the outer shell comprises a first radiating surface and a second radiating surface, the second radiating surface is arranged at the rear side of the inverter, and a substantially closed accommodating space is formed around the second radiating surface by the first radiating surface; the end face of the first radiating surface, which is close to one side of the accommodating space, is sprayed with aerogel materials.
7. The inverter according to claim 6, wherein the inverter comprises,
the outer shell comprises a first type of material and a second type of material, wherein the first type of material is aluminum, and the second type of material is iron; the first radiating surface is made of a first type of material, and the second radiating surface is made of a second type of material.
8. The inverter according to claim 6, wherein the inverter comprises,
the second radiating surface is provided with a radiating structure, and the radiating structure is basically columnar.
9. The inverter according to claim 8, wherein,
on a projection plane perpendicular to the front-rear direction of the inverter, a projection area formed around the projection plane by the heat dissipation structure along the front-rear direction of the inverter is S1, a projection area formed around the projection plane by the second heat dissipation surface along the front-rear direction of the inverter is S2, and the ratio of S1 to S2 is greater than or equal to 0.61 and less than or equal to 0.92.
10. The inverter according to claim 8, wherein,
the heat dissipation structure and the second heat dissipation surface are integrally formed and protrude or recess along the front-back direction of the inverter; or the heat dissipation structure is arranged as a metal pipe which is arranged in a winding way and is filled with cooling liquid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223002941.8U CN218920372U (en) | 2022-11-10 | 2022-11-10 | Inverter with a power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223002941.8U CN218920372U (en) | 2022-11-10 | 2022-11-10 | Inverter with a power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218920372U true CN218920372U (en) | 2023-04-25 |
Family
ID=86013895
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223002941.8U Active CN218920372U (en) | 2022-11-10 | 2022-11-10 | Inverter with a power supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218920372U (en) |
-
2022
- 2022-11-10 CN CN202223002941.8U patent/CN218920372U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP3321502B1 (en) | Heat dissipation retaining structure for heat production device, installation method thereof, and wind turbine generator set | |
| CN109103788A (en) | A kind of outdoor power distribution cabinet | |
| US20070224929A1 (en) | Solar Roof-Ventilating Device | |
| JPH0814669A (en) | Solar panel | |
| CN218920372U (en) | Inverter with a power supply | |
| CN108302796B (en) | Heat sink and method for operating a heat sink | |
| CN206555975U (en) | High temperature-proof thermal radiation resistant Rotating fields and industrial and mineral lamp | |
| CN212849541U (en) | Outdoor anti-exposure type AC low-voltage power distribution cabinet | |
| CN209329527U (en) | A kind of high efficiency and heat radiation mechanism for box-type substation | |
| CN207305242U (en) | A kind of charging pile radiator | |
| CN210541403U (en) | Heat conducting fin water tank linkage heat dissipation device for electric mop | |
| CN209415798U (en) | A kind of solar water heater | |
| CN213519328U (en) | Novel photovoltaic cable | |
| CN209626380U (en) | One kind being based on phase-change heat transfer and CO2Novel 18650 battery modules of thermal protection | |
| JP2016031950A (en) | Solar cell module | |
| CN217740630U (en) | Heat insulation container and energy storage system | |
| JP4325180B2 (en) | Interior heat dissipation structure | |
| CN213021070U (en) | Chemical production is with energy-efficient cooling tower | |
| KR20200058813A (en) | Air conditioner outdoor unit cover | |
| KR102596023B1 (en) | Heat Radiation Solar Panel for Building Integrated Photovoltaic Easily Detachable | |
| CN117781382A (en) | High-efficient radiation refrigeration roof | |
| CN112693637B (en) | Thermal control method of hollow frame spacecraft | |
| CN221523979U (en) | Heat-insulating polyurethane color steel sandwich board | |
| CN208579088U (en) | A kind of dual thermal insulation structure of prefabricated cabin | |
| CN219754651U (en) | Reinforced radiator for automobile water tank |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |