A heat dissipation cooling mechanism for power inverter used in wind farm

Abstract

The utility model relates to the technical field of electric power equipment, and discloses a heat dissipation and cooling mechanism for an electric frequency converter for a wind farm, comprising a mounting frame, a fin, a fixing bolt, a handle and a rapid heat dissipation component, wherein the fin is arranged inside the mounting frame, the fixing bolt is arranged on the top of the mounting frame, the handle is fixedly connected to one side of the mounting frame, the rapid heat dissipation component is installed on the outside of the fin, the rapid heat dissipation component comprises an outer shell, a dust shield, a movable frame, a moving block, a cleaning scraper, a driving component, a support frame and a fan, and the outer shell is screwed to the outside of one end of the fin. The heat dissipation and cooling mechanism for an electric frequency converter for a wind farm, by installing a fan in the outer shell, accelerates the heat conduction of the fin through the action of the fan, thereby improving the heat dissipation efficiency of the electric frequency converter, and by setting the dust shield, dust is prevented from entering the inner part of the outer shell and adhering to the outside of the fin, thereby reducing the heat dissipation efficiency of the fin.

Description

Technical Field

[0001] The utility model relates to the technical field of electric power equipment, in particular to a heat dissipation and cooling mechanism for an electric power frequency converter used in a wind farm. Background Art

[0002] A power inverter is a device that converts fixed-frequency AC power into adjustable-frequency AC power. It is also called a variable-frequency speed regulator. It is one of the indispensable equipment in modern industrial production. Its main function is to achieve power speed regulation of the motor by adjusting the output voltage frequency, thereby accurately controlling the production process. The power inverter is mainly composed of a rectifier, an intermediate capacitor, an inverter and a control device.

[0003] According to publication number CN219577618U, a heat dissipation and cooling mechanism for an electric frequency converter for a wind farm is disclosed, including a baffle and bolts, a control structure is connected to the bottom of the front side of the baffle, fins are equidistantly inserted on the front side of the baffle, and round openings are equidistantly processed on the tops of the fins. The screw is driven to rotate by a handle in the control structure, and the rotating screw drives the sleeve to move backward. The moving sleeve cooperates with the bottom plate to drive the fin to move through the baffle toward the inside of the electric frequency converter for the wind farm, so that the rear end surface of the fin fits with the internal parts of the electric frequency converter for the wind farm, and then the handle is stopped to adjust the insertion depth of the fin to ensure that the fin fits with the internal parts of the electric frequency converter, ensure the internal heat dissipation and cooling of the electric frequency converter, and ensure the normal use of the internal part of the electric frequency converter.

[0004] However, the above device still has shortcomings. The heat dissipation of the power inverter is achieved by installing the fins inside the power inverter and conducting heat through the fins. However, the heat dissipation efficiency is low when the fins are used alone to dissipate heat. It cannot solve the heat generated by the long-term and high-intensity operation of the power inverter. Therefore, an external heat sink is needed to assist the fins in dissipating heat to improve the heat dissipation effect of the power inverter. Utility Model Content

[0005] The utility model aims to provide a heat dissipation and cooling mechanism for a power frequency converter used in a wind farm, so as to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a heat dissipation cooling mechanism for an electric frequency converter for a wind farm, comprising a mounting frame, fins, fixing bolts, a handle and a rapid heat dissipation component, wherein the fins are arranged inside the mounting frame, the fixing bolts are arranged on the top of the mounting frame, the handle is fixedly connected to one side of the mounting frame, and the rapid heat dissipation component is installed on the outside of the fins.

[0007] The rapid heat dissipation component includes a shell, a dust shield, a movable frame, a moving block, a cleaning scraper, a driving component, a support frame and a fan. The shell is screwed to the outside of one end of the fin, the dust shield is arranged at one end inside the shell, the movable frame is fixedly connected to one end outside the shell, the moving block is movably connected to the inside of the movable frame, the cleaning scraper is fixedly connected to one end of the moving block, the driving component is arranged at the other end outside the shell, the support frame is fixedly connected to the inside of the shell, and the fan is arranged inside the support frame. By installing the fan in the shell, the heat conduction of the fin is accelerated through the action of the fan, thereby improving the heat dissipation efficiency of the power inverter. By setting the dust shield, dust is prevented from entering the inside of the shell and adhering to the outside of the fin, thereby reducing the heat dissipation efficiency of the fin.

[0008] Preferably, the driving component includes a shell, a rotating screw, a lifting block, a transmission member and a driving motor. The shell is fixedly connected to the outside of the outer shell, the rotating screw is rotatably connected to the inside of the shell, the lifting block is threadedly connected to the outside of the rotating screw, the transmission member is arranged at the bottom of the rotating screw, and the driving motor is arranged at the top of the other end of the transmission member. The driving motor drives the rotating screw to rotate through the transmission of the transmission member, and then drives the lifting block to lift and lower.

[0009] Preferably, one end of the lifting block is fixedly connected to the cleaning scraper, so that the lifting block drives the cleaning scraper to move up and down on the dust baffle plate to clean the dust on the dust baffle plate, thereby ensuring the air inlet and outlet effect of the dust baffle plate.

[0010] Preferably, there are two handles, which are respectively connected to two sides of the mounting frame, so that the installation and movement of the device can be facilitated by the two handles.

[0011] Preferably, mounting holes are provided at four corners of the mounting frame, and the device is mounted on the power inverter through the four mounting holes to dissipate heat inside the power inverter.

[0012] Preferably, the width of the cleaning scraper is greater than the width of the dust baffle plate, ensuring that the cleaning scraper can effectively clean the dust on the dust baffle plate when moving.

[0013] Preferably, a fixing hole is provided on the top of the fin, and the fixing hole is consistent with the size of the fixing bolt, which is used to adjust the position of the fin.

[0014] Preferably, a sealing plate is provided on the back of the housing, and the sealing plate is used to seal the gaps between the fins to prevent dust from entering.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] 1. The wind farm uses a power inverter heat dissipation cooling mechanism, which installs a fan in the housing. Through the action of the fan, the heat conduction of the fins is accelerated, thereby improving the heat dissipation efficiency of the power inverter. The dust shield is set to prevent dust from entering the housing and adhering to the outside of the fins to reduce the heat dissipation efficiency of the fins.

[0017] 2. The wind farm uses an electric inverter heat dissipation cooling mechanism, which drives the cleaning scraper to move up and down on the dust baffle through the lifting block to clean the dust on the dust baffle and ensure the air inlet and outlet effect of the dust baffle. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 This is a front schematic diagram of the rapid heat dissipation component of the utility model;

[0020] Figure 3 This is a schematic diagram of the back side of the rapid heat dissipation component of the utility model;

[0021] Figure 4 It is a schematic diagram of the internal structure of the driving component of the utility model.

[0022] In the figure: 1. mounting frame; 2. fin; 3. fixing bolt; 4. handle; 5. rapid heat dissipation component; 101. housing; 102. dust shield; 103. movable frame; 104. moving block; 105. cleaning scraper; 106. driving component; 107. supporting frame; 108. fan; 110. housing; 111. rotating screw; 112. lifting block; 113. transmission member; 114. driving motor. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figure 1-4The utility model provides a technical solution: a heat dissipation and cooling mechanism for an electric frequency converter for a wind farm, comprising a mounting frame 1, fins 2, fixing bolts 3, handles 4 and a rapid heat dissipation component 5. The fins 2 are arranged inside the mounting frame 1, the fixing bolts 3 are arranged on the top of the mounting frame 1, the handles 4 are fixedly connected to one side of the mounting frame 1, the rapid heat dissipation component 5 is installed on the outside of the fins 2, there are two handles 4, which are respectively connected to the two sides of the mounting frame 1, and the two handles 4 can facilitate the installation and movement of the device. The four corners of the mounting frame 1 are provided with mounting holes, and the device is installed on the electric frequency converter through the four mounting holes for dissipating heat inside the electric frequency converter. The top of the fin 2 is provided with a fixing hole, and the fixing hole is consistent in size with the fixing bolt 3, which is used to adjust the position of the fin 2.

[0025] The rapid heat dissipation component 5 includes a shell 101, a dust shield 102, a movable frame 103, a moving block 104, a cleaning scraper 105, a driving component 106, a support frame 107 and a fan 108. The shell 101 is screwed to the outside of one end of the fin 2, the dust shield 102 is arranged at one end inside the shell 101, the movable frame 103 is fixedly connected to one end outside the shell 101, the moving block 104 is movably connected to the inside of the movable frame 103, the cleaning scraper 105 is fixedly connected to one end of the moving block 104, the driving component 106 is arranged at the other end outside the shell 101, the support frame 107 is fixedly connected to the inside of the shell 101, and the fan 108 is provided. 108 is arranged inside the support frame 107. By installing the fan 108 in the shell 101, the heat conduction of the fin 2 is accelerated through the action of the fan 108, thereby improving the heat dissipation efficiency of the power inverter. The dust shield 102 is set to prevent dust from entering the shell 101 and adhering to the outside of the fin 2 to reduce the heat dissipation efficiency of the fin 2. The width of the cleaning scraper 105 is greater than the width of the dust shield 102, ensuring that the cleaning scraper 105 can effectively clean the dust on the dust shield 102 when moving. A sealing plate is set on the back of the shell 101, and the sealing plate is used to seal the gap between the fins 2 to prevent dust from entering.

[0026] The driving component 106 includes a shell 110, a rotating screw rod 111, a lifting block 112, a transmission member 113 and a driving motor 114. The shell 110 is fixedly connected to the outside of the outer shell 101, the rotating screw rod 111 is rotatably connected to the inside of the shell 110, the lifting block 112 is threadedly connected to the outside of the rotating screw rod 111, the transmission member 113 is arranged at the bottom of the rotating screw rod 111, and the driving motor 114 is arranged at the top of the other end of the transmission member 113. The driving motor 114 drives the rotating screw rod 111 to rotate through the transmission of the transmission member 113, and then drives the lifting block 112 to move up and down. One end of the lifting block 112 is fixedly connected to the cleaning scraper 105, so the lifting block 112 drives the cleaning scraper 105 to move up and down on the dust baffle 102, cleans the dust on the dust baffle 102, and ensures the air inlet and outlet effect of the dust baffle 102.

[0027] When in use, the fin 2 is installed inside the electric inverter through the mounting frame 1, and then the position of the fin 2 is adjusted to ensure that the fin 2 can effectively dissipate heat, and then the fan 108 is started to cooperate with the fin 2 to dissipate heat for the electric inverter, and the dust shield 102 is set to prevent dust from entering the inside of the shell 101, resulting in poor heat dissipation, and then the driving motor 114 is used to drive the rotating screw 111 to rotate, and then the lifting block 112 drives the moving block 104 to move on the dust shield 102, and the dust adhering to the dust shield 102 is cleaned to prevent dust from blocking the dust shield 102 and affecting the heat conduction and heat dissipation of the fin 2.

[0028] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A heat dissipation and cooling mechanism for a power inverter for a wind farm, comprising a mounting frame (1), fins (2), a fixing bolt (3), a handle (4) and a rapid heat dissipation component (5), characterized in that: The fin (2) is arranged inside the mounting frame (1), the fixing bolt (3) is arranged on the top of the mounting frame (1), the handle (4) is fixedly connected to one side of the mounting frame (1), and the rapid heat dissipation component (5) is installed outside the fin (2); The rapid heat dissipation component (5) comprises a housing (101), a dust shield (102), a movable frame (103), a moving block (104), a cleaning scraper (105), a driving component (106), a support frame (107) and a fan (108); the housing (101) is screwed to the outside of one end of the fin (2); the dust shield (102) is arranged at one end inside the housing (101); the movable frame (103) is fixedly connected to one end outside the housing (101); the moving block (104) is movably connected to the inside of the movable frame (103); the cleaning scraper (105) is fixedly connected to one end of the moving block (104); the driving component (106) is arranged at the other end outside the housing (101); the support frame (107) is fixedly connected to the inside of the housing (101); and the fan (108) is arranged inside the support frame (107).

2. The heat dissipation and cooling mechanism for a wind farm power inverter according to claim 1, characterized in that: The driving component (106) comprises a housing (110), a rotating screw (111), a lifting block (112), a transmission member (113) and a driving motor (114); the housing (110) is fixedly connected to the outside of the outer shell (101); the rotating screw (111) is rotatably connected to the inside of the housing (110); the lifting block (112) is threadedly connected to the outside of the rotating screw (111); the transmission member (113) is arranged at the bottom of the rotating screw (111); and the driving motor (114) is arranged at the top of the other end of the transmission member (113).

3. A heat dissipation and cooling mechanism for a wind farm power inverter according to claim 2, characterized in that: One end of the lifting block (112) is fixedly connected to the cleaning scraper (105).

4. The heat dissipation and cooling mechanism for a wind farm power inverter according to claim 1, characterized in that: There are two handles (4), which are respectively connected to two sides of the mounting frame (1).

5. The heat dissipation and cooling mechanism for a wind farm power inverter according to claim 1, characterized in that: The four corners of the mounting frame (1) are provided with mounting holes.

6. The heat dissipation and cooling mechanism for a wind farm power inverter according to claim 1, characterized in that: The width of the cleaning scraper (105) is greater than the width of the dust baffle (102).

7. The heat dissipation and cooling mechanism for a wind farm power inverter according to claim 1, characterized in that: The top of the fin (2) is provided with a fixing hole, and the fixing hole is consistent in size with the fixing bolt (3).

8. The heat dissipation and cooling mechanism for a wind farm power inverter according to claim 1, characterized in that: A sealing plate is provided on the back side of the housing (101).

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