CN222564238U - High-efficient radiating assembly of group's cluster formula dc-to-ac converter - Google Patents
High-efficient radiating assembly of group's cluster formula dc-to-ac converter Download PDFInfo
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- CN222564238U CN222564238U CN202421239126.XU CN202421239126U CN222564238U CN 222564238 U CN222564238 U CN 222564238U CN 202421239126 U CN202421239126 U CN 202421239126U CN 222564238 U CN222564238 U CN 222564238U
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Abstract
本实用新型涉及逆变器技术领域，具体为组串式逆变器的高效散热组件，包括逆变器本体，逆变器本体的后侧贯穿设有第一导热板，第一导热板的后侧设有多个第一散热翅片，第一散热翅片的后侧开设有多个U形口，逆变器本体内壁左右两侧均贯穿设有半导体制冷片，逆变器本体内壁左侧的底部设有循环气流组件。该组串式逆变器的高效散热组件，当温度传感器检测到逆变器本体内的温度达到其设定的阈值时，控制器对输入的电信号进行分析和处理后控制半导体制冷片和风扇工作，半导体制冷片对逆变器本体的内部进行降温处理，风扇可以使逆变器本体内部的空气产生流动，使半导体制冷片产生的冷气快速扩散，从而提高降温效果。
The utility model relates to the technical field of inverters, specifically to an efficient heat dissipation component of a string inverter, comprising an inverter body, a first heat conducting plate is provided through the rear side of the inverter body, a plurality of first heat dissipation fins are provided on the rear side of the first heat conducting plate, a plurality of U-shaped openings are provided on the rear side of the first heat dissipation fins, semiconductor cooling sheets are provided through the left and right sides of the inner wall of the inverter body, and a circulating airflow component is provided at the bottom of the left side of the inner wall of the inverter body. In the efficient heat dissipation component of the string inverter, when the temperature sensor detects that the temperature inside the inverter body reaches the set threshold value, the controller controls the semiconductor cooling sheet and the fan to work after analyzing and processing the input electrical signal, the semiconductor cooling sheet performs cooling treatment on the inside of the inverter body, and the fan can make the air inside the inverter body flow, so that the cold air generated by the semiconductor cooling sheet is quickly diffused, thereby improving the cooling effect.
Description
Technical Field
The utility model relates to the technical field of inverters, in particular to a high-efficiency heat dissipation assembly of a string-type inverter.
Background
With the increasing popularity of distributed energy sources, string inverters are becoming particularly important due to their multiple string-parallel advantage in photovoltaic power stations and distributed power generation systems. Such inverters are capable of converting direct current generated by a plurality of photovoltaic modules or wind power generation sets into alternating current that may be incorporated into a power grid. However, under continuous operation and high load conditions, the power devices inside the inverter generate a large amount of heat. If the heat cannot be timely and effectively dissipated, the device will overheat, the efficiency of the inverter will be affected, and even faults will be caused or the service life will be reduced. This problem is particularly pronounced in high temperature environments or in locations where heat dissipation conditions are poor.
The patent with the publication number of CN211183818U discloses a string type inverter with dustproof and excellent heat dissipation performance, which comprises an inverter box body, wherein string type inverter elements are arranged in the inverter box body, dust boards are arranged at the positions, close to the bottoms, of the inner walls of the inverter box body, U-shaped mounting plates are arranged at the bottoms of the inner walls of the inverter box body, three groups of high-speed mute fans which are symmetrically distributed are arranged at the bottoms of the inner walls of the U-shaped mounting plates and close to the edges of the two sides, a plurality of air inlets which are uniformly distributed at intervals are formed in the bottoms of the inverter box body, and triangular air outlet pieces which are symmetrically distributed are arranged at the tops of the two sides of the inverter box body. This have group's cluster formula dc-to-ac converter of dustproof and good heat dispersion concurrently can blow the heat dissipation in to the dc-to-ac converter box through high-speed silence fan for the radiating of inverter component heat can prevent through the dust guard that the dust from entering into in the dc-to-ac converter box.
The prior art mentioned above realizes the heat dissipation in the inverter box through high-speed silence fan to utilize the dust guard to block the dust, but in the abominable outdoor environment that the dust is more, the limitation of this kind of design becomes obvious. The fan is easy to damage and influence the heat dissipation efficiency, and the dust guard and the filter plate are easy to block, so that the running stability of the system is reduced, and the maintenance cost is increased. The damage of the fan and the decrease of the dustproof performance can lead to the temperature rise in the box body, so that the aging process of the electronic element is accelerated, the overall performance and the service life of the string inverter are seriously influenced, and in view of the problem, the efficient heat dissipation assembly of the string inverter is provided.
Disclosure of utility model
The present utility model is directed to a high-efficiency heat dissipation assembly for a string inverter, so as to solve the problems set forth in the above-mentioned background art.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
The high-efficiency heat dissipation assembly of the string type inverter comprises an inverter body, wherein a first heat conduction plate penetrates through the rear side of the inverter body, a joint of the first heat conduction plate and the inverter body is bonded by high-temperature-resistant waterproof glue in a water-sealing mode, a plurality of first heat dissipation fins which are arranged in a left-right equidistant mode are arranged on the rear side of the first heat conduction plate, the contact surface between the rear side of the first heat conduction plate and air can be enlarged by the plurality of first heat dissipation fins, and therefore heat dissipation effect is improved, a plurality of U-shaped openings which are arranged in an up-down equidistant mode are formed in the rear side of the first heat dissipation fins, air flow can penetrate through the side faces of the plurality of first heat dissipation fins, and heat dissipation on the first heat dissipation fins is facilitated;
The middle parts of the left side and the right side of the inner wall of the inverter body are respectively provided with a semiconductor refrigerating sheet in a penetrating way, the joint of the semiconductor refrigerating sheets and the inverter body is bonded by adopting high-temperature-resistant waterproof glue in a water-sealing way, the heating surfaces of the two semiconductor refrigerating sheets are respectively provided with a second heat-conducting plate, and the refrigerating surfaces of the semiconductor refrigerating sheets are positioned in the inverter body, so that the interior of the inverter body is cooled;
The bottom of the left side of the inner wall of the inverter body is provided with a circulating air flow component, the circulating air flow component comprises a U-shaped seat fixedly connected to the bottom of the left side of the inner wall of the inverter body, the top of the U-shaped seat is provided with a vent, the top of the U-shaped seat is provided with a fan at the position of the vent, and the fan can enable air in the inverter body to flow, so that cold air generated by a semiconductor refrigerating sheet is rapidly diffused, and the cooling effect is improved;
The front side of the inverter body is detachably connected with a front side plate through bolts, and the rear side of the front side plate is provided with a temperature sensor and a controller.
Preferably, the front side of the first heat conducting plate is provided with a plurality of heat conducting strips which are distributed in a left-right equidistant mode, and the side surface of the heat conducting strip is provided with a plurality of round holes which are distributed in an up-down equidistant mode, so that heat in the inverter body is transferred to the first heat conducting plate.
Preferably, silicone grease is filled between the second heat conducting plate and the semiconductor refrigerating sheet, so that heat conducting efficiency is improved, a plurality of second radiating fins which are arranged in a front-back equidistant mode are arranged on one side, away from the semiconductor refrigerating sheet, of the second heat conducting plate, heat radiating effects of the second heat conducting plate are improved, and a plurality of strip-shaped holes are formed in the side faces of the second radiating fins, so that air flow can pass through the side faces of the second radiating fins, and heat dissipation on the second radiating fins is facilitated.
Preferably, the top of U-shaped seat is equipped with the rectangle and goes out the tuber pipe, makes the air current concentrate output, is favorable to producing circulating air flow, the fan is located the rectangle and goes out the tuber pipe, the rectangle goes out the top of tuber pipe inner wall and is equipped with the protection network, avoids having the article to drop to the rectangle and goes out in the tuber pipe, plays the guard action to the fan.
Preferably, the semiconductor refrigerating sheet, the fan and the temperature sensor are respectively and electrically connected with the controller through wires, the temperature in the inverter body is detected in real time through the temperature sensor, when the temperature detected by the temperature sensor reaches a set threshold value, the temperature sensor transmits detected electric signals to the controller through the wires, the controller analyzes and processes the input electric signals and then controls the semiconductor refrigerating sheet and the fan to work, and the working time of each time can be set to be 20-40 minutes, so that the temperature in the inverter body is ensured to be reduced.
Preferably, the top of dc-to-ac converter body inner wall is equipped with detachable drying box, drying box has placed the drier in bags in, a plurality of air vents have all been seted up to drying box's left and right sides, make the air current can pass in the drying box, and the drier in bags can be with the moisture absorption in the air current, makes the inside dryness that keeps of dc-to-ac converter body.
Preferably, the rear side of dc-to-ac converter body inner wall just is close to the position at top and is equipped with two fixed longitudinal bars that are bilateral symmetry and set up, the top of dry box left and right sides all is equipped with the hanging block, circular logical groove has been seted up to the front side of hanging block, two fixed longitudinal bars are located two circular logical inslot respectively, the dismouting of dry box of being convenient for.
Preferably, the left and right sides edge of dc-to-ac converter body rear side all is equipped with L shape mounting bracket, set up the mounting hole that supplies the bolt to pass on the L shape mounting bracket, make things convenient for dc-to-ac converter body and support mounting.
Compared with the prior art, the utility model has the beneficial effects that:
1. The high-efficiency heat dissipation assembly of the series inverter is characterized in that the front side of the first heat conduction plate is provided with a plurality of heat conduction fins, so that heat in the inverter body is transferred to the first heat conduction plate, the contact surface between the rear side of the first heat conduction plate and air can be increased by the plurality of first heat dissipation fins, the heat dissipation effect is improved, the heat in the inverter body can be transferred to the outside, the heat dissipation effect is realized, and the maintenance times can be effectively reduced due to the adoption of a closed heat dissipation structure.
2. When the temperature sensor detects that the temperature in the inverter body reaches the set threshold value, the temperature sensor conveys the detected electric signals to the controller through the lead, the controller analyzes and processes the input electric signals and then controls the semiconductor refrigerating sheet and the fan to work, the semiconductor refrigerating sheet cools the inside of the inverter body, the fan can enable air in the inverter body to flow, and cold air generated by the semiconductor refrigerating sheet is rapidly diffused, so that the cooling effect is improved.
3. The top of the U-shaped seat is provided with a rectangular air outlet pipe, so that air flow is intensively output, circulating air flow is generated, the fan is positioned in the rectangular air outlet pipe, the top of the inner wall of the rectangular air outlet pipe is provided with a protective net, and objects are prevented from falling into the rectangular air outlet pipe, so that the fan is protected.
4. The high-efficiency heat dissipation assembly of the series inverter comprises a drying box, wherein a bagged drying agent is placed in the drying box, and a plurality of ventilation holes are formed in the left side and the right side of the drying box, so that air flow can pass through the drying box, and the bagged drying agent can absorb moisture in the air flow, so that the inside of an inverter body is kept dry.
Drawings
FIG. 1 is a schematic view of a first view angle structure of the present utility model;
FIG. 2 is a schematic diagram of an overall second view structure according to the present utility model;
FIG. 3 is a schematic view of a portion of the structure of the present utility model;
FIG. 4 is a second schematic diagram of a portion of the structure of the present utility model;
FIG. 5 is a schematic view of a recycle gas stream assembly according to the present utility model;
fig. 6 is a schematic view showing an assembled structure of a semiconductor refrigeration sheet and a second heat conductive plate according to the present utility model;
FIG. 7 is a schematic view of a first heat conducting plate structure according to the present utility model;
fig. 8 is a schematic view of a structure of a drying box according to the present utility model.
The heat-conducting plate comprises a main body of an inverter, 10, a fixed vertical rod, 11, an L-shaped mounting frame, 2, a front side plate, 3, a first heat-conducting plate, 30, a heat-conducting sheet, 300, a round hole, 31, a first heat-radiating fin, 310, a U-shaped opening, 4, a semiconductor refrigerating sheet, 5, a temperature sensor, 6, a controller, 7, a circulating air flow assembly, 70, a U-shaped seat, 700, an air vent, 71, a fan, 72, a rectangular air outlet pipe, 73, a protective net, 8, a drying box, 80, a hanging block, 800, a round through groove, 81, an air vent, 9, a second heat-conducting plate, 90, a second heat-radiating fin, 900 and a strip-shaped hole.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
Referring to fig. 1-8, the present utility model provides a technical solution:
The high-efficiency heat dissipation assembly of the string type inverter comprises an inverter body 1, wherein a first heat conduction plate 3 is arranged on the rear side of the inverter body 1 in a penetrating manner, a high-temperature-resistant waterproof glue is adopted at the joint of the first heat conduction plate 3 and the inverter body 1 for sealing and bonding, a plurality of first heat dissipation fins 31 which are arranged in a left-right equidistant manner are arranged on the rear side of the first heat conduction plate 3, the contact surface between the rear side of the first heat conduction plate 3 and air can be enlarged by the plurality of first heat dissipation fins 31, so that the heat dissipation effect is improved, a plurality of U-shaped openings 310 which are arranged in an up-down equidistant manner are formed on the rear side of the first heat dissipation fins 31, so that air flow can pass through the side surfaces of the plurality of first heat dissipation fins 31, and heat dissipation on the first heat dissipation fins 31 is facilitated;
the middle parts of the left side and the right side of the inner wall of the inverter body 1 are respectively provided with a semiconductor refrigerating sheet 4 in a penetrating way, the joint of the semiconductor refrigerating sheets 4 and the inverter body 1 is bonded by adopting high-temperature-resistant waterproof glue in a water-sealing way, the heating surfaces of the two semiconductor refrigerating sheets 4 are respectively provided with a second heat-conducting plate 9, and the refrigerating surfaces of the semiconductor refrigerating sheets 4 are positioned in the inverter body 1, so that the interior of the inverter body 1 is cooled;
The bottom of the left side of the inner wall of the inverter body 1 is provided with a circulating air flow assembly 7, the circulating air flow assembly 7 comprises a U-shaped seat 70 fixedly connected to the bottom of the left side of the inner wall of the inverter body 1, an air vent 700 is formed in the top of the U-shaped seat 70, a fan 71 is arranged at the top of the U-shaped seat 70 and positioned at the position of the air vent 700, and the fan 71 can enable air in the inverter body 1 to flow, so that cold air generated by the semiconductor refrigerating sheet 4 is rapidly diffused, and the cooling effect is improved;
The front side of the inverter body 1 is detachably connected with a front side plate 2 through bolts, and the rear side of the front side plate 2 is provided with a temperature sensor 5 and a controller 6.
In this embodiment, the front side of the first heat conducting plate 3 is provided with a plurality of heat conducting fins 30 arranged in a left-right equidistant manner, the side surface of the heat conducting fin 30 is provided with a plurality of round holes 300 arranged in a vertical equidistant manner, the contact surface between the heat conducting fin 30 and the air inside the inverter body 1 is increased, and the heat inside the inverter body 1 is transferred to the first heat conducting plate 3.
Specifically, silicone grease is filled between the second heat-conducting plate 9 and the semiconductor refrigerating sheet 4, so that the heat conduction efficiency is improved, a plurality of second heat-radiating fins 90 which are arranged in a front-back equidistant mode are arranged on one side, away from the semiconductor refrigerating sheet 4, of the second heat-conducting plate 9, the heat-radiating effect of the second heat-conducting plate 9 is improved, a plurality of strip-shaped holes 900 are formed in the side face of the second heat-radiating fins 90, air flow can pass through the side face of the second heat-radiating fins 90, and heat dissipation on the second heat-radiating fins 90 is facilitated.
Further, the top of the U-shaped seat 70 is provided with a rectangular air outlet pipe 72, so that air flow is intensively output, circulating air flow is generated, the fan 71 is positioned in the rectangular air outlet pipe 72, the top of the inner wall of the rectangular air outlet pipe 72 is provided with a protective net 73, and objects are prevented from falling into the rectangular air outlet pipe 72, so that the fan 71 is protected.
Further, the semiconductor refrigerating sheet 4, the fan 71 and the temperature sensor 5 are respectively and electrically connected with the controller 6 through wires, the temperature in the inverter body 1 is detected in real time through the temperature sensor 5, when the temperature detected by the temperature sensor 5 reaches a set threshold value, the temperature sensor 5 transmits detected electric signals to the controller 6 through wires, the controller 6 analyzes and processes the input electric signals and then controls the semiconductor refrigerating sheet 4 and the fan 71 to work, and the working time of each time can be set to 20-40 minutes, so that the temperature in the inverter body 1 is ensured to be reduced.
Further, the top of the inner wall of the inverter body 1 is provided with a detachable drying box 8, bagged drying agents are placed in the drying box 8, and a plurality of ventilation holes 81 are formed in the left side and the right side of the drying box 8, so that air flow can pass through the drying box 8, and the bagged drying agents can absorb moisture in the air flow, so that the inside of the inverter body 1 is kept dry.
Further, the rear side of the inner wall of the inverter body 1 and the position close to the top are provided with two fixed longitudinal rods 10 which are symmetrically arranged left and right, the top of the left side and the right side of the drying box 8 is provided with hanging blocks 80, the front side of each hanging block 80 is provided with a circular through groove 800, and the two fixed longitudinal rods 10 are respectively positioned in the two circular through grooves 800, so that the drying box 8 can be conveniently disassembled and assembled.
Further, the left side edge and the right side edge of the rear side of the inverter body 1 are respectively provided with an L-shaped mounting frame 11, and mounting holes for bolts to pass through are formed in the L-shaped mounting frames 11, so that the inverter body 1 and the bracket are convenient to mount.
When the efficient heat dissipation assembly of the string inverter of this embodiment is used, under normal conditions, heat in the inverter body 1 is transferred to the first heat conduction plate 3 through the plurality of heat conduction plates 30, the first heat conduction plate 3 transfers heat to the plurality of first heat dissipation fins 31, thereby transferring heat to the outside rapidly, when the temperature sensor 5 detects that the temperature in the inverter body 1 reaches the set threshold value, the temperature sensor 5 transmits the detected electric signal to the controller 6 through a wire, the controller 6 analyzes and processes the input electric signal and then controls the semiconductor refrigeration plate 4 and the fan 71 to work, the semiconductor refrigeration plate 4 cools the inside of the inverter body 1, the fan 71 can enable air in the inside of the inverter body 1 to flow, cold air generated by the semiconductor refrigeration plate 4 is quickly diffused, thereby improving the cooling effect, meanwhile, the desiccant in the drying box 8 can absorb moisture in the air flow, the inside of the inverter body 1 is kept dry, the time of each time of working of the semiconductor refrigeration plate 4 and the fan 71 is set to 20-40 minutes, and the temperature in the inverter body 1 is ensured to be reduced.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (8)
1. The efficient heat dissipation assembly of the string type inverter comprises an inverter body (1) and is characterized in that a first heat conduction plate (3) is arranged on the rear side of the inverter body (1) in a penetrating mode, a plurality of first heat dissipation fins (31) which are distributed in a left-right equidistant mode are arranged on the rear side of the first heat dissipation fins (31), a plurality of U-shaped ports (310) which are distributed in a vertical equidistant mode are formed in the rear side of the first heat dissipation fins, semiconductor refrigerating sheets (4) are arranged on the middle portions of the left side and the right side of the inner wall of the inverter body (1) in a penetrating mode, second heat conduction plates (9) are arranged on the heating surfaces of the two semiconductor refrigerating sheets (4), a circulating airflow assembly (7) is arranged at the bottom of the left side of the inner wall of the inverter body (1), the circulating airflow assembly (7) comprises a U-shaped seat (70) which is fixedly connected to the bottom of the left side of the inner wall of the inverter body (1), a fan (71) is arranged on the top of the U-shaped seat (70), a fan (700) is arranged at the top of the U-shaped seat, a position of the fan (700) located at the top of the U-shaped seat, and a front side of the inverter (1) is connected with a front side plate (2) through a front sensor (5).
2. The efficient heat dissipation assembly of the string inverter of claim 1, wherein a plurality of heat conducting fins (30) which are distributed in a left-right equidistant manner are arranged on the front side of the first heat conducting plate (3), and a plurality of round holes (300) which are distributed in an up-down equidistant manner are formed in the side face of the heat conducting fin (30).
3. The efficient heat dissipation assembly of the string inverter of claim 1, wherein silicone grease is filled between the second heat conduction plate (9) and the semiconductor refrigerating sheet (4), a plurality of second heat dissipation fins (90) which are arranged in a front-back equidistant mode are arranged on one side, away from the semiconductor refrigerating sheet (4), of the second heat conduction plate (9), and a plurality of strip-shaped holes (900) are formed in the side face of each second heat dissipation fin (90).
4. The efficient heat dissipation assembly of the string inverter of claim 1, wherein a rectangular air outlet pipe (72) is arranged at the top of the U-shaped seat (70), the fan (71) is positioned in the rectangular air outlet pipe (72), and a protective net (73) is arranged at the top of the inner wall of the rectangular air outlet pipe (72).
5. The efficient heat dissipation assembly of the string inverter as claimed in claim 1, wherein the semiconductor refrigerating sheet (4), the fan (71) and the temperature sensor (5) are electrically connected with the controller (6) through wires respectively.
6. The efficient heat dissipation assembly of the string inverter of claim 1, wherein a detachable drying box (8) is arranged at the top of the inner wall of the inverter body (1), bagged drying agents are placed in the drying box (8), and a plurality of ventilation holes (81) are formed in the left side and the right side of the drying box (8).
7. The efficient heat dissipation assembly of the string type inverter of claim 6, wherein two fixing longitudinal rods (10) which are symmetrically arranged left and right are arranged at the rear side of the inner wall of the inverter body (1) and close to the top, hanging blocks (80) are arranged at the tops of the left side and the right side of the drying box (8), circular through grooves (800) are formed in the front side of each hanging block (80), and the two fixing longitudinal rods (10) are respectively located in the two circular through grooves (800).
8. The efficient heat dissipation assembly of the string type inverter of claim 1, wherein L-shaped mounting frames (11) are arranged at the edges of the left side and the right side of the rear side of the inverter body (1), and mounting holes for bolts to pass through are formed in the L-shaped mounting frames (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421239126.XU CN222564238U (en) | 2024-06-03 | 2024-06-03 | High-efficient radiating assembly of group's cluster formula dc-to-ac converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421239126.XU CN222564238U (en) | 2024-06-03 | 2024-06-03 | High-efficient radiating assembly of group's cluster formula dc-to-ac converter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222564238U true CN222564238U (en) | 2025-03-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202421239126.XU Active CN222564238U (en) | 2024-06-03 | 2024-06-03 | High-efficient radiating assembly of group's cluster formula dc-to-ac converter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222564238U (en) |
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2024
- 2024-06-03 CN CN202421239126.XU patent/CN222564238U/en active Active
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