CN212324615U - Cabinet heat radiation structure and power supply system - Google Patents
Cabinet heat radiation structure and power supply system Download PDFInfo
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- CN212324615U CN212324615U CN202021087451.0U CN202021087451U CN212324615U CN 212324615 U CN212324615 U CN 212324615U CN 202021087451 U CN202021087451 U CN 202021087451U CN 212324615 U CN212324615 U CN 212324615U
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Abstract
The utility model discloses a rack heat radiation structure and electrical power generating system. The power supply system contains at least one power module, and rack heat radiation structure is used for electrical power generating system, and rack heat radiation structure includes the rack cabinet body, and the cabinet body comprises top cap, base, left and right sides curb plate, preceding cabinet door and back cabinet door etc. be equipped with the vent on the preceding cabinet door of the cabinet body and back cabinet door, separates into a plurality of cavitys from the top cap to between the base in the internal portion of cabinet, and every cavity is used for installing power module, all leave the space between preceding cabinet door, the back cabinet door of the cavity and the cabinet body be equipped with the division board between the back cabinet door of the cavity and the cabinet body, the enclosure space is constituteed with the back cabinet door of the cabinet body to the division board, forms independent heat dissipation wind channel, and the hot-blast air. The cabinet heat dissipation structure can form an independent air channel to prevent short circuit of the air channel, so that the purpose of improving the heat dissipation efficiency of the power supply system is achieved, and the reliability and the service life of the power supply system are effectively improved.
Description
Technical Field
The utility model relates to a high-power electrical power generating system technical field, concretely relates to rack heat radiation structure and electrical power generating system.
Background
With the development of power electronic technology, various electronic devices have more and more demands on high-power, high-current and high-reliability power supply systems, and the adoption of a plurality of modularized power supplies for parallel operation to output high power and high current is an important direction for the development of power supply technology. The modularized power supply can be flexibly configured, each power supply module only processes small power, and each power supply module unit averagely bears total electric and thermal stress, so that the stress borne by a single unit is reduced, the power level of elements in each unit circuit can be correspondingly reduced, the power density is improved, a redundancy technology can be applied, the reliability of a power supply system is improved, and more scenes are provided for supplying power to an electronic device by the power supply cabinet assembled with a plurality of modularized power supplies. In addition, the service environment of the power supply equipment is hot, the requirements on the shell protection grade of part of the power supply equipment are high, and the protection grade needs to reach IP44 or above. In the prior art, the louver is punched through the sheet metal in the ventilation opening of the equipment shell, so that the protection grade of the IP44 shell is difficult to achieve; the air duct in the equipment is not subjected to thermal isolation, the heat source in the equipment is not subjected to dispersed layout, the air in the equipment is not subjected to heat exchange treatment and the like, and the heat is difficult to be efficiently taken away in the case of high-power supply equipment, so that the stable operation of the equipment is influenced.
SUMMERY OF THE UTILITY MODEL
The above-mentioned problem that prior art's heat radiation structure exists is adopted in the electrical power generating system heat dissipation in order to solve high-power electronic equipment, the utility model provides a novel rack heat radiation structure and electrical power generating system promote the radiating effect, reduce the electrical power generating system temperature rise.
In order to achieve the above purpose, the utility model provides a heat dissipation structure of a cabinet, which is used for a power supply system, the power supply system comprises at least one power supply module, the power supply module is provided with an air inlet and an exhaust fan, the heat dissipation structure of the machine cabinet comprises a machine cabinet body, wherein the machine cabinet body is provided with a top cover, a base, a left side plate, a right side plate, a front cabinet door and a rear cabinet door, the front cabinet door and the rear cabinet door of the cabinet body are provided with ventilation openings, the interior of the cabinet body is divided into a plurality of cavities from the top cover to the base, each cavity is used for installing a power supply module, a space is reserved between each cavity and the front cabinet door and the rear cabinet door of the cabinet body, the partition plate is arranged between the cavity and the rear cabinet door of the cabinet body, the partition plate and the rear cabinet door of the cabinet body form a closed space to form an independent heat dissipation air duct, and hot air drawn out by the power module fan can only be discharged through a vent on the rear cabinet door of the cabinet body.
Further, the cavity with still be equipped with false panel between the preceding cabinet door of the cabinet body, false panel and the preceding cabinet door constitution enclosure space of the cabinet body let the internal cold air of inflow cabinet can only get into power module's air intake, prevent simultaneously that power module heat dissipation from leading to the hot-air backward flow that produces in the cavity reentries power module's air intake.
Further, a woven net is further installed on the base of the cabinet body of the cabinet and serves as a ventilation opening at the bottom of the cabinet body.
Furthermore, the front cabinet door and the rear cabinet door of the cabinet body of the cabinet adopt air filters as ventilation openings.
The utility model also provides a power supply system, power supply system contain at least one power module, and power module is equipped with air intake and exhaust fan, still includes above-mentioned scheme rack heat radiation structure.
The utility model adopts the above technical scheme, the effective effect of bringing is: the isolation plate is arranged in the cabinet body of the cabinet, so that an independent air channel can be formed to prevent the short circuit of the air channel, and the purpose of improving the heat dissipation efficiency of the power supply module is achieved; the dummy panel is arranged in the cabinet body of the cabinet, so that hot air in the cavity in the cabinet body of the cabinet can be prevented from flowing back to the air inlet of the power module, and the aim of improving the heat dissipation efficiency of the power module is fulfilled; the front ventilation opening and the rear ventilation opening formed by standard air filters in the market are arranged on the front cabinet door and the rear cabinet door of the cabinet body of the machine cabinet, so that the front ventilation opening and the rear ventilation opening formed by punching shutters through sheet metal on the front cabinet door and the rear cabinet door of the cabinet body of the traditional machine cabinet are replaced, and the machine cabinet has the characteristics of beautiful appearance, convenience in installation and use, protection grade reaching IP44 and above, large air inlet and outlet area, small wind resistance and the like; the bottom ventilation opening is arranged on the base of the cabinet body of the cabinet, so that air enters the bottom ventilation opening and forms an effective chimney effect with the rear ventilation opening of the cabinet body of the cabinet, and the temperature of the cavity in the cabinet body of the cabinet is further reduced in a natural air convection mode, so that the purpose of improving the heat dissipation efficiency of the power module is achieved. The power supply system adopts a power supply modular design, the expansion configuration is flexible, the power supply module unit averagely bears the total electric and thermal stress, the internal temperature rise of the power supply system is reduced on the whole, and the heat dissipation efficiency is improved. Overall, adopt the utility model discloses heat radiation structure's electrical power generating system compares with current electrical power generating system and has the appearance pleasing to the eye, advances, air-out area is big, characteristics such as windage is little, the radiating efficiency height, both reached IP44 shell protection level, also solved the difficult problem of high-power electrical power generating system heat dissipation, effectively improved the reliability and the life of equipment.
Drawings
Fig. 1 is the gas flow direction principle schematic diagram of the cabinet heat dissipation structure of the present invention.
Fig. 2 is a basic view of an embodiment of the heat dissipation structure of the cabinet of the present invention.
Fig. 3 is a sectional view taken along the line a-a in fig. 2.
Fig. 4 is a right side view of the power supply system according to the embodiment of the present invention after the front cabinet door is removed.
Fig. 5 is a left side view of the power supply system according to the embodiment of the present invention after the rear cabinet door is removed.
In the figure: 1. a vent on the front cabinet door; 2. a vent on the cabinet base; 3. a cabinet body; 4. a vent on the rear cabinet door; 5. a separator plate; 6. a power supply module; 7. a dummy panel; 8. a fan on the power module; 9. the air inlet groove on the power module.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention is further described in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention. Furthermore, the technical features mentioned in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
As shown in fig. 2 to 3, in the embodiment, the cabinet body 3 of the cabinet heat dissipation structure includes a vent 1 on the front cabinet door, a vent 2 on the base of the cabinet body, and a vent 4 on the rear cabinet door; the cabinet body 3 is provided with a partition plate 5 and a dummy panel 7. The cabinet body 3 is made of high-quality cold-rolled steel plates with the thickness of 2mm, and is formed by numerical control punching, bending and welding. The front cabinet door of the cabinet body 3 is provided with an air filter as a vent 1 on the front cabinet door, and the protection grade can reach IP44 and above; the rear cabinet door of the cabinet body 3 is provided with an air filter as a vent 4 on the rear cabinet door, and the protection grade can reach IP44 and above; the base of the cabinet body 3 of the cabinet is used as a ventilation opening 2 on the base of the cabinet body through a mounting woven net, and the isolation plate 5 and the dummy panel 7 are fixedly mounted in the cabinet body 3.
As shown in fig. 4 and 5, in the embodiment, 5 identical power modules 6 are in current-sharing parallel operation, each power module 6 bears total electric and thermal stress on average, a rectangular air inlet groove is formed in the front of each power module 6, and a fan is arranged behind each power module 6 to realize forced air cooling and air draft.
The schematic diagram of the flow direction principle of the air flowing through the heat dissipation structure of the cabinet is shown in fig. 1, and particularly shown in fig. 3, cold air outside the cabinet body 3 enters the cabinet body 3 through the ventilation opening 1 on the front cabinet door, flows into the power module 6 through the air inlet groove 9 on the power module, exchanges heat inside the power module 6, and then is exhausted by the fan 8 on the power module to exhaust hot air inside the power module; after the hot air exhausted by the power module 6 passes through the isolation plate 5 and forms a closed space with the rear cabinet door of the cabinet body 3, the hot air can only be exhausted from the ventilation opening 4 on the rear cabinet door. Secondly, cold air gets into in the cavity of the rack cabinet body 3 through vent 2 on the cabinet body base, vent 2 on the cabinet body base and vent 4 on the back cabinet door form effectual "chimney" effect, can effectively reduce the interior temperature of the cavity of the rack cabinet body 3 through the natural convection mode of air. The isolation plate 5 plays a role in preventing hot air exhausted by the fan 8 on the power module from being retained in the cavity of the cabinet body 3 of the cabinet, and the hot air exhausted by the fan 8 on the power module can be efficiently exhausted through the vent 4 on the rear cabinet door, so that the temperature in the cavity of the cabinet body 3 of the cabinet is reduced, and the aim of reducing the working environment temperature of the power module 6 is fulfilled; the dummy panel 7 plays a role in preventing hot air generated in the cavity of the cabinet body 3 of the cabinet from flowing back to the air inlet groove 9 on the power module due to the heat dissipation of the power module 6; the false panel 7 can also let the outside cold air of the cabinet body 3 pass through the vent 1 on the front cabinet door, and only can flow into the power module 6 through the air inlet slot 9 on the power module, so as to achieve the purpose of reducing the working environment temperature of the power module 6.
Based on the foregoing, the utility model discloses a power supply system's heat radiation structure and contain power supply system of this structure has simple structure, simple to operate, and the radiating efficiency is high, effectual, has solved the difficult, protection level of high-power supply system heat dissipation and has reached IP44 and above problem, is worth promoting. The foregoing illustrates and describes the principles, general features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above embodiments.
Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. The utility model provides a rack heat radiation structure for electrical power generating system, electrical power generating system contain at least one power module, and power module is equipped with air intake and exhaust fan, its characterized in that: the cabinet heat radiation structure comprises a cabinet body, wherein the cabinet body is provided with a top cover, a base, a left side plate, a right side plate, a front cabinet door and a rear cabinet door, ventilation openings are formed in the front cabinet door and the rear cabinet door of the cabinet body, a plurality of cavities are separated from the top cover to the base in the cabinet body, each cavity is used for installing a power supply module, a space is reserved between the cavity and the front cabinet door and the rear cabinet door of the cabinet body, a partition plate is arranged between the cavity and the rear cabinet door of the cabinet body, a closed space is formed by the partition plate and the rear cabinet door of the cabinet body, an independent heat radiation air channel is formed, and hot air taken out by a power supply module fan can only.
2. The cabinet heat dissipation structure of claim 1, wherein: a dummy panel is arranged between the cavity and the front cabinet door of the cabinet body, the dummy panel and the front cabinet door of the cabinet body form a closed space, and cold air outside the cabinet body of the cabinet can only flow into the power module through the air inlet of the power module after flowing into the cabinet body through the ventilation opening on the front cabinet door of the cabinet body; meanwhile, the hot air generated in the cavity is prevented from flowing back due to heat dissipation of the power supply module and flows into the power supply module through the air inlet of the power supply module.
3. The cabinet heat dissipation structure of claim 1, wherein: the base of the cabinet body of the cabinet is also provided with a woven net as a ventilation opening at the bottom of the cabinet body.
4. The cabinet heat dissipation structure of claim 1, wherein: the front cabinet door and the rear cabinet door of the cabinet body of the cabinet adopt air filters as ventilation openings.
5. The utility model provides a power supply system, includes at least one power module, and power module is equipped with air intake and exhaust fan, its characterized in that: the cabinet heat dissipation structure of any one of claims 1 to 4 is further included.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021087451.0U CN212324615U (en) | 2020-06-13 | 2020-06-13 | Cabinet heat radiation structure and power supply system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021087451.0U CN212324615U (en) | 2020-06-13 | 2020-06-13 | Cabinet heat radiation structure and power supply system |
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| Publication Number | Publication Date |
|---|---|
| CN212324615U true CN212324615U (en) | 2021-01-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021087451.0U Active CN212324615U (en) | 2020-06-13 | 2020-06-13 | Cabinet heat radiation structure and power supply system |
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| CN (1) | CN212324615U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112867366A (en) * | 2021-02-19 | 2021-05-28 | 阳光电源股份有限公司 | Cabinet air duct, cabinet assembly and photovoltaic inverter |
-
2020
- 2020-06-13 CN CN202021087451.0U patent/CN212324615U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112867366A (en) * | 2021-02-19 | 2021-05-28 | 阳光电源股份有限公司 | Cabinet air duct, cabinet assembly and photovoltaic inverter |
| US11871548B2 (en) | 2021-02-19 | 2024-01-09 | Sungrow Power Supply Co., Ltd. | Cabinet air duct, cabinet assembly and photovoltaic inverter |
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