Integrated heat dissipation shell for inverter

Abstract

The invention relates to the technical field of heat dissipation structures, and discloses an integrated heat dissipation shell for an inverter, and the shell comprises an outer shell, heat dissipation fins, a wind power drive, and a diversion assembly. The heat dissipation fins are arranged on the outer shell in the transverse direction, and a heat dissipation channel is formed between every two adjacent heat dissipation fins. The wind power driver is installed on the outer shell and located below the heat dissipation fins, and wind flow provided by the wind power driver upwards enters the heat dissipation channel. The flow guide assembly comprises a plurality of groups of flow guide pieces which are arranged in the transverse direction, an insertion hole for the heat dissipation fins to be inserted is formed between every two adjacent flow guide pieces, and the flow guide assembly is matched with the heat dissipation fins in an inserted mode through the insertion holes so that the flow guide pieces can enter the heat dissipation channels. According to the invention, the improvement of the heat dissipation efficiency and the maintenance of the operation reliability of the inverter shell can be balanced.

Description

Technical Field

[0001] The present application relates to the technical field of heat dissipation structures, and in particular to an integrated heat dissipation housing for an inverter. Background Art

[0002] Currently, the housing of an outdoor inverter usually has heat dissipation fins. In order to improve the heat dissipation effect, the housing of some outdoor inverters also cooperates with wind drive to blow air to the heat dissipation fins to improve the heat dissipation effect.

[0003] The existing arrangement of wind drive and heat sink fins is divided into vertical arrangement and horizontal arrangement. In vertical arrangement, the heat dissipation gap formed between the heat sink fins is vertically opposite to the wind drive, so that foreign objects in the outdoor environment can easily fall into the wind drive through the heat dissipation gap, causing interference to the operation of the wind drive and causing mechanical failure. In horizontal arrangement, the heat dissipation gap formed between the heat sink fins is horizontally opposite to the wind drive, and the wind drive is not easily interfered by foreign objects. However, this layout requires a large space to be reserved on both sides of the inverter to ensure air circulation, which limits the space utilization of the inverter when deployed in parallel. At the same time, due to the natural rise of hot air, its heat dissipation efficiency is relatively low.

[0004] With respect to the above-mentioned related technologies, it is difficult to strike a balance between improving heat dissipation performance and maintaining operational reliability in the casing of the existing inverter, and an integrated heat dissipation casing that can block foreign matter and improve heat dissipation efficiency is urgently needed. Summary of the invention

[0005] In order to strike a balance between improving the heat dissipation performance of an inverter housing and maintaining operational reliability, the present application provides an integrated heat dissipation housing for an inverter.

[0006] The present application provides an integrated heat dissipation housing for an inverter, which adopts the following technical solution: An integrated heat dissipation housing for an inverter, comprising an outer shell, heat dissipation fins, a wind drive and a guide assembly; the heat dissipation fins are arranged on the outer shell in a transverse direction, and a heat dissipation channel is formed between two adjacent heat dissipation fins; the wind drive is installed on the outer shell and located below the heat dissipation fins, and the wind flow provided by the wind drive enters the heat dissipation channel upward; The air guide assembly includes a plurality of groups of air guide members arranged in a transverse direction, and a plug hole for the heat dissipation fin to be plugged in is formed between two adjacent air guide members, and the air guide assembly is plugged and matched with the heat dissipation fin through the plug hole so that the air guide member enters the heat dissipation channel; Each group of the guide members includes a first shielding section, a ventilation section, and a second shielding section connected in sequence; the first shielding section is located above the ventilation section, and the ventilation section has ventilation holes that penetrate from top to bottom, and an air outlet that connects the ventilation holes with the external environment is formed between the first shielding section and the heat dissipation fins; the second shielding section is opposite to the air outlet, and the second shielding section extends downwardly in a direction away from the ventilation section, and the vertical orthographic projection of the first shielding section and the second shielding section together can cover the vertical orthographic projection of the heat dissipation channel; Among them, one end of the second shielding section away from the ventilation section exceeds or is flush with the side of the heat dissipation fin away from the outer shell, and a rotating piece is hinged on the end of the second shielding section away from the ventilation section; the rotating piece blocks the upper surface of the second shielding section, and the free end of the rotating piece is close to the ventilation section and can swing up and down.

[0007] By adopting the above technical solution, through the horizontally arranged heat dissipation fins and the wind drive located below, in conjunction with the guide component, it is possible to shield the wind drive to limit impurities from falling into the wind drive while achieving upward ventilation and heat dissipation, thereby effectively improving the heat dissipation efficiency and preventing foreign objects in the outdoor environment from falling into the wind drive, thereby achieving a balance between improving the heat dissipation performance of the inverter casing and maintaining operational reliability.

[0008] Optionally, the guide member also includes a connecting section, which is connected between the first shielding section and the ventilation section, and the opposite side walls of the connecting section respectively abut against two adjacent heat dissipation fins, and an end of the connecting section connected to the ventilation section is higher than an end of the connecting section connected to the first shielding section.

[0009] By adopting the above technical solution, the connecting section increases the height difference between the first shielding section and the ventilation section, so that the impurities and dust falling on the first shielding section are not easily moved to the ventilation section.

[0010] Optionally, a travel column that passes through the second shielding section downward is connected to the rotating piece, and a travel hole is provided on the second shielding section for the travel column to swing together with the rotating piece.

[0011] By adopting the above technical solution, the rotating piece can achieve flexible up and down swinging through the cooperation of the stroke column and the stroke hole, and can automatically adjust the position according to the change of wind flow, thereby further improving the heat dissipation effect.

[0012] Optionally, the rotating piece has a first position and a second position corresponding to itself, and the rotating piece swings between the first position and the second position under the control of wind flow; The first position is characterized by the rotating piece abutting against the upper surface of the shielding section; the second position is characterized by the travel column abutting against the end of the travel hole away from the ventilation section to limit the rotating piece from continuing to rotate upward. At this time, a separation cavity is formed between the rotating piece and the upper surface of the shielding section, and the wind flow can enter the separation cavity through the travel hole.

[0013] By adopting the above technical solution, the rotating piece can swing between the first position and the second position according to the wind flow control, achieving a dynamic balance between the heat dissipation and foreign body prevention functions. In the second position, the wind can enter the separation chamber through the travel hole, further enhancing the heat dissipation effect.

[0014] Optionally, a blocking piece is hingedly connected to one end of the ventilation section close to the connecting section, and when the rotating piece is in the first position, the free end of the blocking piece can naturally hang down on the upper surface of the rotating piece; when the rotating piece is in the second position, the blocking piece can be pushed by the wind flow to rotate upward, so that a channel for the wind flow in the separation chamber to pass through appears between the blocking piece and the rotating piece; The blocking piece is hinged to the ventilation section via a limiting member, and the limiting member can limit the rotation range of the blocking piece so that when the blocking piece is rotated upward to a maximum angle, the free end of the blocking piece is still lower than the hinged end of the blocking piece.

[0015] By adopting the above technical solution, the blocking sheet can block the space between the free end of the rotating sheet and the connecting section to further improve the dust blocking effect.

[0016] Optionally, the free end of the rotating piece and the connecting section are both in the shape of an arc coaxial with the hinged end of the rotating piece, and the free end of the rotating piece is always in contact with the arc surface of the connecting section; The free end of the rotating piece is connected to a guide piece, the connecting section is provided with a guide groove for the guide piece to be embedded in and rotate with the rotating piece, and the connecting section is provided with an air outlet penetrating the connecting section on the inner wall of the guide groove; when the rotating piece is in the first position, the guide piece blocks the air outlet; when the rotating piece is in the second position, the air outlet is connected to the separation chamber.

[0017] By adopting the above technical solution, the cooperation between the guide piece and the guide groove enables the rotating piece to rotate more stably, while realizing the shielding and connection functions of the air outlet.

[0018] Optionally, the first shielding section includes a horizontal portion and an inclined portion, the horizontal portion extends along a horizontal plane, the inclined portion is located between the horizontal portion and the ventilation section, and the inclined portion extends obliquely downward from a direction away from the horizontal portion toward a direction close to the outer shell; The insertion hole extends on the inclined portion to the boundary between the horizontal portion and the extension portion, and the horizontal portions between adjacent flow guide members are sequentially connected and commonly abut against the upper surface of the heat dissipation fin.

[0019] By adopting the above technical solution, the horizontal portion abuts against the heat dissipation fins, so that the guide assembly can be hung on the heat dissipation fins, thereby improving the convenience of installing the guide assembly.

[0020] Optionally, the guide member further includes an extension section, wherein the extension section extends downward from an end of the horizontal portion away from the inclined portion into the heat dissipation channel, and the extension section is vertically opposite to the second shielding section.

[0021] By adopting the above technical solution, the design of the extension section further enhances the anti-foreign matter performance of the guide piece, while optimizing the wind flow path and improving the heat dissipation efficiency.

[0022] Optionally, the guide assembly further includes a reinforcement member, which simultaneously connects one end of all the second shielding segments away from the first shielding segment, and the reinforcement member abuts against a side of the heat dissipating fin away from the outer shell.

[0023] By adopting the above technical solution, the reinforcement piece enhances the overall stability of the guide assembly.

[0024] Optionally, the integrated heat dissipation housing further comprises a baffle shell, which is mounted on the housing body and together with the housing body encloses the heat dissipation fins, and the baffle shell has a plurality of through holes for connecting the air outlet at a position opposite to the air outlet.

[0025] By adopting the above technical solution, the enclosure shell can further improve the anti-foreign matter performance of the heat dissipation shell, and at the same time, by cooperating with the air outlet, the wind can flow out of the heat dissipation channel smoothly.

[0026] In summary, the present application includes at least one of the following beneficial effects: 1. By arranging the heat dissipation fins in the horizontal direction and cooperating with the wind drive located below, a good heat dissipation effect is achieved. At the same time, the first shielding section and the second shielding section effectively prevent foreign objects in the outdoor environment from falling into the wind drive, thereby reducing the possibility of mechanical failure. This not only improves the heat dissipation requirements of the inverter, but also improves its operating reliability; 2. The rotating blade can automatically adjust its position according to the change of wind flow, achieving a dynamic balance between heat dissipation and foreign body protection. When the wind flow increases, the rotating blade can open more ventilation area to improve the heat dissipation efficiency; when the wind flow decreases or foreign objects approach, the rotating blade can close or reduce the ventilation area to prevent foreign objects from entering. In addition, the rotating blade can shake off the dust on itself when vibrating to improve the heat dissipation effect of the rotating blade. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is a structural schematic diagram of Embodiment 1 of the present application; Figure 2 This is a schematic diagram of the structure after the enclosure shell is hidden in the first embodiment of the present application; Figure 3 is a schematic structural diagram of the flow guide assembly in Example 1 of the present application; Figure 4 is a side view of the guide assembly when the rotating piece in the first embodiment of the present application is in the first position; Figure 5 is a schematic diagram of the wind flow direction in Example 1 of the present application; Figure 6 It is a schematic diagram of the structure of the enclosure shell in the first embodiment of the present application; Figure 7 yes Figure 3 A schematic diagram of the enlarged structure at A in the middle; Figure 8 is a structural schematic diagram of the guide assembly when the rotating piece is in the second position in the first embodiment of the present application; Fig. 9 is a side view of the guide assembly when the rotating piece in the first embodiment of the present application is in the second position; Fig.10 is a schematic structural diagram of the flow guide assembly when the rotating piece is in the second position in the second embodiment of the present application; Fig.11 yes Fig.10 Cross-section at the middle BB; Fig.12 yes Fig.11 Schematic diagram of the enlarged structure at point C in the middle.

[0028] Explanation of the accompanying drawings: 1. outer shell; 2. heat dissipation fins; 3. wind drive; 4. heat dissipation channel; 5. guide member; 51. first shielding section; 511. horizontal portion; 512. inclined portion; 52. ventilation section; 53. second shielding section; 54. connecting section; 55. abutting section; 56. extension section; 6. plug hole; 7. ventilation hole; 8. air outlet; 9. rotating plate; 10. stroke column; 11. stroke hole; 12. separation chamber; 13. blocking plate; 14. limiting member; 141. hinge seat; 142. hinge shaft; 143. limiting portion; 15. guide plate; 16. guide groove; 17. air outlet; 18. reinforcement member; 19. enclosure shell; 20. through hole; 21. air outlet chamber; 22. movable groove. DETAILED DESCRIPTION

[0029] The following combination Figures 1 to 12 This application is described in further detail.

[0030] Embodiment 1:

[0031] The present application embodiment discloses an integrated heat dissipation housing for an inverter. Figure 1 and Figure 2 The integrated heat dissipation housing for the inverter includes a housing 1, heat dissipation fins 2, a wind drive 3, a guide assembly and a surrounding shell 19.

[0032] The outer shell 1 is in the shape of a directional box, and a heating element (not shown in the figure) is installed in the outer shell 1. There are multiple heat dissipation fins 2, each of which is in the shape of a square sheet and fixed to the outer surface of the outer shell 1. The sheet surface of each heat dissipation fin 2 extends vertically, and multiple heat dissipation fins 2 are evenly spaced and distributed on the outer shell 1 in the horizontal direction, and a vertically extending heat dissipation channel 4 is formed between two adjacent heat dissipation fins 2. A mounting seat for installing a wind drive 3 extends outward from the bottom of the outer shell 1. The wind drive 3 is installed on the mounting seat and is located directly below the heat dissipation fins 2, so as to provide the heat dissipation fins 2 with a cold wind flow that enters the heat dissipation channel 4 upward, and the installation range of the wind drive 3 is within the range covered by the heat dissipation fins 2. Among them, the wind drive 3 in this embodiment is a fan.

[0033] Reference Figure 2 and Figure 3 , the guide assembly is hung on the heat dissipation fin 2 and plugged with the heat dissipation fin 2. The guide assembly includes a guide member 5 and a reinforcement member 18; the guide member 5 has multiple groups, and the multiple groups of guide members 5 are arranged along the distribution direction of the heat dissipation fin 2, and the reinforcement member 18 connects all the guide members 5 at the same time. There is a plug hole 6 for plugging a single heat dissipation fin 2 between two adjacent groups of guide members 5, and the guide assembly is plugged with the upper part of the heat dissipation fin 2 through the plug hole 6, so that the guide member 5 and the heat dissipation fin 2 are arranged alternately.

[0034] Reference Figure 3 and Figure 4 Specifically, each group of guide members 5 includes a first shielding section 51, an abutting section 55, a ventilation section 52, a connecting section 54 and a second shielding section 53 connected in sequence. The first shielding section 51 includes a horizontal portion 511 and an inclined portion 512. The horizontal portion 511 extends horizontally. The horizontal portions 511 on adjacent guide members 5 are connected. The horizontal portions 511 of all guide members 5 form a rectangular strip extending along the distribution direction of the guide members 5. The inclined portion 512 is in the shape of a rectangular strip. One end of the inclined portion 512 is connected to one end of the horizontal portion 511. At the same time, the inclined portion 512 extends downward in a direction away from the horizontal portion 511, and the angle between the inclined portion 512 and the horizontal portion 511 is an obtuse angle.

[0035] The abutting section 55 is connected to the bottom end of the inclined portion 512 and is in the shape of a square sheet extending vertically. The ventilation section 52 is in the shape of a long strip, one end of which is connected to the bottom end of the abutting section 55. At the same time, the ventilation section 52 extends downwardly in a direction away from the abutting section 55, and the ventilation section 52 is located directly below the first shielding section 51. The ventilation section 52 is provided with a ventilation hole 7. The connecting section 54 is in the shape of a square sheet, one end of which is connected to the bottom end of the ventilation section 52. At the same time, the end of the connecting section 54 away from the ventilation section 52 is connected to the second shielding section 53, and the end of the connecting section 54 connected to the ventilation section 52 is higher than the end of the connecting section 54 connected to the second shielding section 53. The second shielding section 53 is in the shape of a long square strip, one end of which is connected to the bottom end of the connecting section 54. At the same time, the second shielding section 53 extends downwardly in a direction away from both the connecting section 54 and the ventilation section 52. Thus, the air guide member 5 encloses and forms an air outlet cavity 21 whose opening is located at one side of the air guide member 5 .

[0036] Among them, a plug hole 6 is formed between two adjacent inclined portions 512, between two adjacent abutting sections 55, between two adjacent ventilation sections 52, between two adjacent connecting sections 54, and between two adjacent second shielding sections 53, and the widths of the inclined portions 512, the abutting sections 55, the connecting sections 54, and the second shielding sections 53 along the distribution direction of the guide member 5 are consistent with the width of the heat dissipation channel 4, and a ventilation hole 7 connected to the plug hole 6 is opened on the ventilation section 52, and the ventilation hole 7 passes through the ventilation section 52 from top to bottom.

[0037] More preferably, the reinforcing member 18 is in the shape of a long strip extending along the arrangement direction of the air guide members 5 , and the reinforcing member 18 is fixedly connected to the bottom ends of all the second shielding sections 53 at the same time.

[0038] Reference Figure 2 and Figure 4 When the air guide assembly is installed, the air guide assembly is inserted between the heat dissipation fins 2 through the insertion hole 6, so that the horizontal portion 511 abuts against the top surface of the heat dissipation fins 2, and the air guide assembly is hung on the heat dissipation fins 2 through the horizontal portion 511. At the same time, the inclined portion 512 is inclined downward toward the direction close to the outer shell 1, the abutting section 55 abuts against the side of the outer shell 1 connected to the heat dissipation fins 2, the ventilation section 52 and the second shielding section 53 are both inclined downward away from the outer shell 1, and the end of the second shielding section 53 away from the connecting section 54 extends out of the side of the heat dissipation fins 2 away from the outer shell 1, the reinforcement member 18 abuts against the side of the heat dissipation fins 2 away from the outer shell 1, and the air outlet cavity 21 faces the side of the heat dissipation fins 2 away from the outer shell 1.

[0039] It should be noted that one end of the horizontal portion 511 away from the inclined portion 512 is opposite to the second shielding segment 53 in the vertical direction, so that the vertical projection of the first shielding segment 51 and the second shielding segment 53 can cover the vertical projection of the heat dissipation channel 4, so as to block the falling impurities and dust, so that the falling impurities and dust are not easy to fall into the wind drive 3.

[0040] Reference Figure 2 and Figure 4 The air outlet 8 connected to the air outlet cavity 21 is formed between the top of the side of the heat dissipation channel 4 away from the outer shell 1 and the end of the horizontal portion 511 away from the inclined portion 512. The air outlet 8 connected to the air outlet cavity 21 is also formed between the top of the side of the heat dissipation channel 4 away from the outer shell 1 and the side of the second shielding section 53 away from the outer shell 1. Figure 5 Therefore, when the wind drive 3 starts to operate and generates an upward wind flow, the wind flow passes upward through the ventilation holes 7 into the air outlet cavity 21 and is discharged to the external environment from the air outlet 8. The inclination of the second shielding section 53, the ventilation section 52 and the inclined portion 512 all guide the wind flow.

[0041] Reference Figure 1 and Figure 6 , and for the enclosure shell 19, the enclosure shell 19 is in a square box shape with an opening facing the outer shell 1. When the enclosure shell 19 is installed, the enclosure shell 19 is sleeved with the heat dissipation fins 2 in the horizontal direction, and the top of the enclosure shell 19 abuts against the top surface of the horizontal portion 511, while shielding the top surface of the heat dissipation fins 2. The side of the enclosure shell 19 opposite to the surface of the outer shell 1 abuts against the side of the reinforcement 18 away from the outer shell 1, while shielding the side of the heat dissipation fins 2 away from the outer shell 1. The shell of the enclosure shell 19 has a clearance hole for making way for the fan, and the top of the enclosure shell 19 is locked to the outer shell 1 and the horizontal portion 511 at the same time by bolts, and the side of the enclosure shell 19 abutting against the reinforcement 18 is locked to the reinforcement 18 by bolts, so as to position the guide assembly while installing the enclosure shell 19.

[0042] The enclosure shell 19 and the outer shell 1 together enclose the heat dissipation fins 2 to direct the airflow upward. The top of the enclosure shell 19 and the side of the enclosure shell 19 opposite to the outer shell 1 are provided with through holes 20 connected to the air outlet 8 in an array at positions relative to the air outlet 8. The airflow at the air outlet 8 flows to the external environment through the through holes 20. The through holes 20 can be circular or elongated, and in this embodiment, they are preferably elongated horizontally.

[0043] Reference Figure 2 and Figure 3 Furthermore, the guide member 5 further includes an extension section 56, which is fixed to one end of the horizontal portion 511 away from the connecting section 54. At the same time, the extension section 56 extends vertically downward, and a plug hole 6 is formed between adjacent extension sections 56. The extension section 56 itself is also provided with a plurality of holes for ventilation. The wind flow passing through the ventilation section 52 upward is guided by the inclined portion 512 and then flows downward under the shielding of the extension section 56, so as to expand the range of the wind flow passing through the surface of the heat dissipation fin 2 and improve the heat dissipation effect.

[0044] Reference Figure 2 and Figure 3 Furthermore, the air guide assembly is also made of a material capable of conducting heat, and the heat dissipation fins 2 can transfer heat to the air guide assembly to expand the heat dissipation area. Since some dust will fall onto the second shielding section 53 through the through hole 20 and the air outlet 8 and accumulate, affecting the heat dissipation effect, in order to remove dust from the second shielding section 53, a rotating piece 9 is hinged on one end of the second shielding section 53 away from the connecting section 54 through a pin shaft, and the rotating axis of the rotating piece 9 is parallel to the distribution direction of the heat dissipation fins 2, and the rotating piece 9 is also made of a material capable of conducting heat.

[0045] Reference Figure 2 and Figure 3 The rotating sheet 9 is in the shape of a square sheet, and the opposite sides of the rotating sheet 9 are respectively in contact with the opposite surfaces of the two adjacent heat dissipation fins 2. The free end of the rotating sheet 9 is close to the connecting section 54, and the rotating sheet 9 is located above the second shielding section 53, so that the rotating sheet 9 shields the second shielding section 53, so that the dust accumulates on the rotating sheet 9.

[0046] Reference Figure 7 and Figure 8 A downwardly extending stroke column 10 is fixed to the lower surface of the rotating piece 9, and a stroke hole 11 for the stroke column 10 to pass through is opened on the second blocking section 53 along the extending direction of the second blocking section 53. When the rotating piece 9 rotates, the stroke column 10 can move in the stroke hole 11.

[0047] Reference Figure 2 and Figure 8 When the wind drive 3 blows air upward, it will give the travel column 10 and the rotating piece 9 a force to swing upward around the hinged end of the rotating piece 9, so that the rotating piece 9 will swing up and down, so as to shake off the dust on the rotating piece 9 to the hinged end of the rotating piece 9 and fall from the through hole 20 to the outside of the enclosure shell 19.

[0048] Reference Figure 4 and Fig. 9 In order to limit the swing stroke of the rotating piece 9, the rotating piece 9 has a first position and a second position corresponding to itself, and the rotating piece 9 swings between the first position and the second position.

[0049] Reference Figure 4 and Figure 8 Specifically, when the rotating piece 9 is in the first position, the rotating piece 9 is not pushed upward by the wind flow, and the rotating piece 9 is subjected to its own gravity so that the lower surface of the rotating piece 9 abuts against the upper surface of the second blocking section 53. At this time, the inclined extension direction of the length of the rotating piece 9 is consistent with the second blocking section 53, and the rotating piece 9 blocks the travel hole 11, so that dust is not easy to enter the travel hole 11.

[0050] Reference Figure 8 and Fig. 9When the rotating piece 9 is in the second position, the free end of the rotating piece 9 is close to the top of the connecting section 54, the lower surface of the rotating piece 9 is separated from the upper surface of the second shielding section 53 to form a separation chamber 12, and the stroke column 10 abuts against the end of the stroke hole 11 away from the connecting section 54, thereby limiting the rotating piece 9 from continuing to rotate upward. At the same time, the wind can enter the separation chamber 12 through the stroke hole 11 to dissipate heat for the rotating piece 9 and the second shielding section 53.

[0051] Reference Figure 7 and Figure 8 Furthermore, in order to improve the dust blocking effect, it is necessary to close the space between the free end of the rotating piece 9 and the connecting section 54. In this embodiment, the connecting section 54 extends vertically, and a blocking piece 13 is hingedly connected to one end of the ventilation section 52 close to the connecting section 54. The blocking piece 13 is in a square sheet shape, and the hinge axis 142 line of the blocking piece 13 is parallel to the hinge axis 142 line of the rotating piece 9, and the extension width of the blocking piece 13 is consistent with the extension width of the connecting section 54, and the blocking piece 13 extends downwardly in a direction away from the ventilation section 52.

[0052] Reference Figure 4 and Figure 7 When the rotating piece 9 is in the first position, the blocking piece 13 can be naturally dropped on the upper surface of the rotating piece 9 by the action of its own gravity, thereby shielding the space between the rotating piece 9 and the connecting section 54. When the rotating piece 9 is blown upward by the wind, the rotating piece 9 can push the blocking piece 13 to rotate upward as well.

[0053] Reference Figure 8 and Fig. 9 When the rotating piece 9 is in the second position and cannot continue to rotate upward, the blocking piece 13 can still be pushed by the airflow in the separation chamber 12 to rotate upward, so that a channel for the airflow to leave the separation chamber 12 is formed between the blocking piece 13 and the rotating piece 9 to realize the circulation of the airflow.

[0054] Reference Figure 7 It should be noted that the blocking piece 13 cooperates with the limiting member 14, the blocking piece 13 is hinged to the ventilation section 52 through the limiting member 14, and the limiting member 14 can limit the rotation range of the blocking piece 13. Specifically, the limiting member 14 includes a hinge seat 141, a hinge shaft 142 and a limiting portion 143. The hinge seat 141 is fixed to the ventilation section 52, the hinge shaft 142 rotates in the hinge seat 141, the limiting portion 143 is fixedly connected between the hinge shaft 142 and the blocking piece 13, and the hinge seat 141 is provided with a moving groove 22 for the limiting portion 143 to extend out.

[0055] Reference Figure 7 and Fig. 9When the blocking piece rotates until the limiting portion 143 abuts against the inner top wall of the movable groove 22, the free end of the blocking piece is still lower than the hinged end of the blocking piece, so that when the wind flows through the blocking piece and the rotating piece 9, the blocking piece guides the wind flow obliquely downward, so that the wind flow can dissipate the heat for the part of the heat sink 2 close to the rotating piece 9, thereby improving the uniformity of heat dissipation.

[0056] The implementation principle of an integrated heat dissipation housing for an inverter in the embodiment of the present application is as follows: the first shielding section 51 and the second shielding section 53 jointly shield the falling impurities and dust to protect the wind drive 3. When the wind drive 3 blows, the wind flow is guided to the air outlet 8 through the ventilation section 52 to the external environment, and the wind flow drives the rotating piece 9 to swing, so as to drive the dust on the rotating piece 9 to leave the air outlet 8.

[0057] Embodiment 2:

[0058] The difference between this embodiment and the first embodiment is that the method of sealing the space between the free end of the rotating piece 9 and the connecting section 54 is different.

[0059] Reference Fig.10 , Fig.11 and Fig.12 Specifically, in this embodiment, the connecting section 54 is an arc-shaped structure extending coaxially with the hinge axis 142 of the rotating piece 9, and the free end of the rotating piece 9 is also an arc-shaped structure coaxially with the hinge axis 142 of the rotating piece 9, and the free end of the rotating piece 9 abuts against the arc surface of the connecting section 54 to close the space between the free end of the rotating piece 9 and the connecting section 54, thereby preventing dust from entering between the rotating piece 9 and the second shielding section 53. When the rotating piece 9 is in the second position, the free end of the rotating piece 9 still abuts against the arc surface of the connecting section 54.

[0060] A guide piece 15 is fixedly connected to the free end of the rotating piece 9. The guide piece 15 is in the shape of an arc-shaped piece coaxial with the hinge axis 142 of the rotating piece 9, and the upper end of the guide piece 15 exceeds the upper surface of the rotating piece 9. A guide groove 16 for the guide piece 15 to abut against the side of the connecting section 54 for the rotating piece 9 to abut is provided. When the rotating piece 9 swings, the guide piece 15 swings together in the guide groove 16 to improve the guiding and sealing properties between the rotating piece 9 and the connecting section 54.

[0061] In addition, in order to improve the fluidity of the air flow, the connecting section 54 is provided with an air port 17 penetrating two opposite sides thereof on the inner wall of the guide groove 16. When the rotating piece 9 is in the first position, the guide piece 15 blocks the air port 17, and when the rotating piece 9 is in the second position, the guide piece 15 leaves the air port 17, the air port 17 is opened and communicated with the separation chamber 12, and the air flow in the separation chamber 12 can flow to the ventilation section 52 through the air port 17.

[0062] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. An integrated heat dissipation housing for an inverter, characterized in that: The invention comprises an outer shell (1), heat dissipation fins (2), a wind drive (3) and a flow guide assembly; the heat dissipation fins (2) are arranged on the outer shell (1) in a transverse direction, and a heat dissipation channel (4) is formed between two adjacent heat dissipation fins (2); the wind drive (3) is installed on the outer shell (1) and is located below the heat dissipation fins (2), and the wind flow provided by the wind drive (3) enters the heat dissipation channel (4) upwards; The flow guide assembly comprises a plurality of groups of flow guide members (5) arranged in a transverse direction, a plug hole (6) for plugging the heat dissipation fin (2) is formed between two adjacent flow guide members (5), and the flow guide assembly is plugged and matched with the heat dissipation fin (2) through the plug hole (6) so that the flow guide member (5) enters the heat dissipation channel (4); Each group of the air guide members (5) comprises a first shielding section (51), a ventilation section (52) and a second shielding section (53) which are connected in sequence; the first shielding section (51) is located above the ventilation section (52); the ventilation section (52) has a ventilation hole (7) which passes through the ventilation hole (7) from top to bottom; an air outlet (8) which connects the ventilation hole (7) with the external environment is formed between the first shielding section (51) and the heat dissipation fin (2); the second shielding section (53) is opposite to the air outlet (8), and the second shielding section (53) extends downwardly in a direction away from the ventilation section (52); the vertical projection of the first shielding section (51) and the second shielding section (53) together can cover the vertical projection of the heat dissipation channel (4); The end of the second shielding section (53) away from the ventilation section (52) is beyond or flush with a side of the heat dissipating fin (2) away from the outer shell (1), and a rotating piece (9) is hingedly connected to the end of the second shielding section (53) away from the ventilation section (52); the rotating piece (9) shields the upper surface of the second shielding section (53), and the free end of the rotating piece (9) is close to the ventilation section (52) and can swing up and down.

2. The integrated heat dissipation housing for an inverter according to claim 1, characterized in that: The guide member (5) further comprises a connecting section (54), the connecting section (54) being connected between the first shielding section (51) and the ventilation section (52), the opposite side walls of the connecting section (54) respectively abutting against two adjacent heat dissipation fins (2), and an end of the connecting section (54) connected to the ventilation section (52) being higher than an end of the connecting section (54) connected to the first shielding section (51).

3. The integrated heat dissipation housing for an inverter according to claim 2, characterized in that: The rotating piece (9) is connected to a travel column (10) that passes through the second blocking section (53) downwards, and the second blocking section (53) is provided with a travel hole (11) for the travel column (10) to swing along with the rotating piece (9).

4. The integrated heat dissipation housing for an inverter according to claim 3, characterized in that: The rotating piece (9) has a first position and a second position corresponding to itself, and the rotating piece (9) swings between the first position and the second position under the control of wind flow; The first position is characterized by the rotation piece (9) abutting against the upper surface of the shielding section; the second position is characterized by the travel column (10) abutting against an end of the travel hole (11) away from the ventilation section (52) to limit the rotation piece (9) from continuing to rotate upwards, at which time a separation chamber (12) is formed between the rotation piece (9) and the upper surface of the shielding section, and the wind flow can enter the separation chamber (12) through the travel hole (11).

5. The integrated heat dissipation housing for an inverter according to claim 4, characterized in that: A blocking piece (13) is hingedly connected to one end of the ventilation section (52) close to the connecting section (54); when the rotating piece (9) is in the first position, the free end of the blocking piece (13) can naturally hang down on the upper surface of the rotating piece (9); when the rotating piece (9) is in the second position, the blocking piece (13) can be pushed by the wind flow to rotate upward, so that a channel for the wind flow in the separation chamber (12) to pass through appears between the blocking piece (13) and the rotating piece (9); The blocking piece (13) is hinged to the ventilation section (52) via a limiting member (14); the limiting member (14) is capable of limiting the rotation range of the blocking piece (13), so that when the blocking piece (13) is rotated upward to a maximum angle, the free end of the blocking piece (13) is still lower than the hinged end of the blocking piece (13).

6. The integrated heat dissipation housing for an inverter according to claim 4, characterized in that: The free end of the rotating piece (9) and the connecting section (54) are both in the shape of an arc coaxial with the hinged end of the rotating piece (9), and the free end of the rotating piece (9) is always in contact with the arc surface of the connecting section (54); The free end of the rotating piece (9) is connected to a guide piece (15); the connecting section (54) is provided with a guide groove (16) for the guide piece (15) to be embedded and rotate together with the rotating piece (9); and the connecting section (54) is provided with an air outlet (17) penetrating the connecting section (54) on the inner wall of the guide groove (16); when the rotating piece (9) is in the first position, the guide piece (15) blocks the air outlet (17); when the rotating piece (9) is in the second position, the air outlet (17) is communicated with the separation chamber (12).

7. The integrated heat dissipation housing for an inverter according to claim 1, characterized in that: The first shielding section (51) comprises a horizontal portion (511) and an inclined portion (512), the horizontal portion (511) extending along a horizontal plane, the inclined portion (512) being located between the horizontal portion (511) and the ventilation section (52), and the inclined portion (512) extending obliquely downwardly from a direction away from the horizontal portion (511) towards a direction close to the outer shell (1); The insertion hole (6) extends on the inclined portion (512) to the boundary between the horizontal portion (511) and the extension portion, and the horizontal portions (511) between adjacent flow guide members (5) are sequentially connected and abut against the upper surface of the heat dissipation fin (2) together.

8. The integrated heat dissipation housing for an inverter according to claim 7, characterized in that: The guide member (5) further comprises an extension section (56), the extension section (56) extending downward from one end of the horizontal portion (511) away from the inclined portion (512) into the heat dissipation channel (4), and the extension section (56) is vertically opposite to the second shielding section (53).

9. The integrated heat dissipation housing for an inverter according to claim 1, characterized in that: The flow guide assembly further comprises a reinforcement member (18), wherein the reinforcement member (18) simultaneously connects one end of all the second shielding segments (53) away from the first shielding segment (51), and the reinforcement member (18) abuts against a side of the heat dissipation fin (2) away from the outer shell (1).

10. The integrated heat dissipation housing for an inverter according to claim 1, characterized in that: The integrated heat dissipation housing further comprises a baffle shell (19), wherein the baffle shell (19) is mounted on the housing body (1) and together with the housing body (1) encloses the heat dissipation fins (2), and the baffle shell (19) has a plurality of through holes (20) for connecting to the air outlet (8) at a position opposite to the air outlet (8).

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