Frequency converter heat radiation structure

By designing a heat dissipation structure that integrates cooling box, coolant circulation and fan in the inverter, the problem of poor heat dissipation effect in the existing technology is solved, significantly improving the heat dissipation effect and service life of the inverter, and maintaining the coolant Cleanliness.

CN222322065UActive Publication Date: 2025-01-07ZHEJIANG TIANCUN TECH CO LTD
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Patent Information

Application Number
CN202421074877.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-17
Publication Date
2025-01-07
Estimated Expiration
2034-05-17

AI Technical Summary

Technical Problem

The heat dissipation structure of the existing inverters has poor heat dissipation effect when the power is high and when the summer is hot, which affects its reliability and service life.

Method used

A heat dissipation structure including a cooling box, adjustment groove, sliding hole, fixing seat, threaded column, nut, heat sink, motor, heat dissipation fan, cooling pipe, pressurized water pump, filter plate and ventilation rack are designed, and circulated through the coolant The combination with the fan improves the heat dissipation effect, and the inverter is fixed by adjusting the bolts and clamping rods.

Benefits of technology

It effectively improves the heat dissipation effect of the inverter under high power and high temperature conditions, extends its service life, and maintains the cleanliness of the coolant through the design of the filter plate and ventilation rack.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a frequency converter heat dissipation structure, and relates to the technical field of frequency converter heat dissipation. Protective doors are symmetrically and rotationally connected to the left side and the right side of the front end of the main body, and handles are mounted on the protective doors; a cooling box is fixedly connected to the bottom of the rear side of the main body, adjusting grooves are symmetrically formed in the left side and the right side of the interior of the main body, adjusting blocks are slidably connected to the interiors of the adjusting grooves, and sliding holes are formed in the adjusting blocks. Cooling liquid in a main body cooling box is pumped into a main body through a booster water pump, the temperature in the main body is better reduced through the cooling liquid and a heat dissipation fan, the heat dissipation effect of the device is improved when the frequency converter power is large and in hot days in summer, and the problems that part of existing frequency converters are simple in heat dissipation structure, low in heat dissipation efficiency and the like are solved. And when the power of the frequency converter is relatively high and in hot days in summer, the heat dissipation effect of the frequency converter is relatively poor.
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Description

Technical Field

[0001] The utility model relates to the technical field of inverter heat dissipation, and in particular to an inverter heat dissipation structure. Background Art

[0002] As a converter, the inverter will generate a certain amount of power consumption during operation, and the consumed electrical energy is generally converted into heat. If the heat cannot be dissipated in time, the reliability and service life of the inverter will be greatly reduced, and the stable operation of the inverter will be directly affected. However, the heat dissipation structure of some existing inverters is relatively simple, and can only rely solely on cooling fans for heat dissipation. When the inverter power is large and it is hot in summer, the heat dissipation effect of the inverter is poor. Utility Model Content

[0003] The disclosed embodiment relates to a heat dissipation structure for a frequency converter, which enables the device to provide a better heat dissipation effect when the frequency converter power is large and the weather is hot in summer.

[0004] In a first aspect of the present disclosure, a frequency converter heat dissipation structure is provided, which specifically includes: a main body; a protective door is symmetrically connected to the left and right sides of the front end of the main body, and a handle is installed on the protective door; a cooling box is fixedly connected to the bottom of the rear side of the main body, and adjustment grooves are symmetrically provided on the left and right sides of the interior of the main body, and an adjustment block is slidably connected to the inside of the adjustment groove, and a sliding hole is provided on the adjustment block; a fixed seat is slidably connected to the inside of the sliding hole, and a threaded column is fixedly connected to the rear side of the fixed seat; a nut is threadedly connected to the threaded column of the fixed seat, and the inner side of the threaded column nut of the fixed seat fits the two sides of the sliding hole; a window is provided on the rear side of the main body, and a heat sink is installed in the window of the main body; a sewage outlet is provided at the bottom of the cooling box on the rear side of the main body, and a square hole is provided at the top of the cooling box on the rear side of the main body; the square hole four of the cooling box of the main body A fixing hole is opened in a surrounding shape around the body, and a thread is provided inside the fixing hole; a thread is provided inside the drain outlet, and a sealing plug is installed inside the drain outlet; an electric motor is installed inside the main body, and the motor circuit is connected to a power supply; the motor shaft of the electric motor is fixedly connected to the heat dissipation fan, and the heat dissipation fan is rotatably connected to the inside of the main body; a cooling pipe is installed inside the main body, and a water inlet pipe is provided at the bottom of the cooling pipe, and the water inlet pipe is located at the bottom of the main cooling box; a booster water pump is installed on the water inlet pipe, and the booster water pump circuit is connected to the power supply; a through hole is opened on the left side of the top of the main cooling box, and a threaded hole is opened on the right side of the main cooling box; a filter plate is installed inside the main cooling box, and a guide rod is fixedly connected to the left side of the filter plate; a ventilation frame is slidably connected to the square hole of the cooling box of the main body, and fixed blocks are installed around the ventilation frame in a surrounding shape;

[0005] The upper and lower sides of the adjusting block are symmetrically provided with threaded holes, and the threaded holes of the adjusting block are internally threadedly connected with adjusting bolts, and the tops of the adjusting bolts fit into the inside of the adjusting grooves;

[0006] The inverter is installed on the fixing seat, and threaded holes are symmetrically opened on the left and right sides of the fixing seat, and a clamping rod is installed inside the threaded hole of the fixing seat; the clamping rod is provided with threads, and the clamping rod is threadedly connected to the inside of the threaded hole of the fixing seat;

[0007] The sealing plug is provided with threads, and the sealing plug is threadedly connected to the inside of the sewage outlet.

[0008] In at least some embodiments, a ventilation duct is installed on the main body, and the front side of the ventilation duct is located at the air outlet of the heat dissipation fan, and the rear side of the ventilation duct is located at the top end of the cooling box at the rear side of the main body.

[0009] In at least some embodiments, a spray pipe is installed on the top of the cooling pipe, and the spray pipe is located on the top of the main cooling box.

[0010] In at least some embodiments, a threaded rod is rotatably connected to the right side of the filter plate, and the threaded rod of the filter plate is threadedly connected to the inside of a threaded hole on the right side of the main cooling box.

[0011] In at least some embodiments, a threaded hole is formed on the fixing block, and a fixing bolt is threadedly connected inside the threaded hole of the fixing block, and the fixing bolt of the fixing block is also threadedly connected inside the fixing hole.

[0012] The utility model provides a frequency converter heat dissipation structure, which has the following beneficial effects:

[0013] In the present invention, the position of the adjusting block is fixed by adjusting the bolt, and then the position of the fixing seat is adjusted. Then the clamping rod is rotated according to the model of the frequency converter, and the frequency converter is fixed inside the device by using the threaded connection between the clamping rod and the fixing seat.

[0014] In addition, the coolant in the main cooling box is pumped into the interior of the main body through a booster water pump, and the temperature inside the main body is better cooled by the coolant and the heat dissipation fan, thereby improving the heat dissipation effect of the device when the frequency converter power is large and it is hot in summer. Then the coolant circulates inside the cooling pipe for a circle and is discharged from the spray pipe located on the top of the main cooling box to cool the coolant for heat exchange. At the same time, the ventilation pipe can guide the wind blown by the heat dissipation fan to the bottom of the spray pipe to better cool the coolant. After the coolant has been used for a period of time, the fixing bolts of the fixing block can be adjusted to remove the ventilation frame, and then the threaded rod of the filter plate can be rotated to raise the position of the filter plate to clean the impurities in the coolant in the main cooling box. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solution of the embodiment of the present utility model, the drawings of the embodiment will be briefly introduced below.

[0016] The drawings described below only relate to some embodiments of the present invention and are not intended to limit the present invention.

[0017] In the attached picture:

[0018] Figure 1 A schematic diagram of a fixed seat shaft of the present application is shown;

[0019] Figure 2 The overall axial schematic diagram of the present application is shown;

[0020] Figure 3 The schematic diagram of the adjustment slot shaft of the present application is shown;

[0021] Figure 4 The schematic diagram of the cooling tube axis of the present application is shown;

[0022] Figure 5 This application shows Figure 4 A schematic diagram of the enlarged axial view of the middle A area;

[0023] Figure 6 This application shows Figure 4 Middle B area enlarged axial view schematic diagram;

[0024] Figure 7 A schematic diagram of the motor shaft of the present application is shown.

[0025] Reference numerals list

[0026] 1. Main body; 101. Protective door; 102. Adjustment slot; 103. Adjustment block; 1031. Adjustment bolt; 1032. Sliding hole; 104. Fixed seat; 1041. Clamping rod; 105. Heat sink; 106. Drain port; 1061. Sealing plug; 107. Fixing hole; 108. Ventilation pipe;

[0027] 2. Electric motor; 201. Cooling fan;

[0028] 3. Cooling pipe; 301. Water inlet pipe; 302. Booster water pump; 303. Spray pipe;

[0029] 4. Filter plate;

[0030] 5. Ventilation rack; 501. Fixing block. DETAILED DESCRIPTION

[0031] In order to make the purpose, technical solution and advantages of the practical embodiment clearer, the technical solution of the practical embodiment will be clearly and completely described below in conjunction with the drawings of the practical embodiment. Obviously, the described embodiment is a part of the practical embodiment, not all of the embodiments. Based on the described practical embodiment, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this practical embodiment.

[0032] Example 1: Please refer to Figures 1 to 7 :

[0033] The utility model proposes a frequency converter heat dissipation structure, comprising: a main body 1; a protective door 101 is symmetrically rotatably connected to the left and right sides of the front end of the main body 1, and a handle is installed on the protective door 101; a cooling box is fixedly connected to the bottom of the rear side of the main body 1, and adjustment grooves 102 are symmetrically arranged on the left and right sides of the interior of the main body 1, and an adjustment block 103 is slidably connected to the interior of the adjustment groove 102, and a sliding hole 1032 is opened on the adjustment block 103; a fixed seat 104 is slidably connected to the interior of the sliding hole 1032, and a threaded column is fixedly connected to the rear side of the fixed seat 104; a threaded connection is arranged on the threaded column of the fixed seat 104 The main body 1 is connected with a nut, and the inner side of the threaded column nut of the fixing seat 104 fits the two sides of the sliding hole 1032; a window is provided on the rear side of the main body 1, and a heat sink 105 is installed in the window of the main body 1; a sewage outlet 106 is provided at the bottom of the rear cooling box of the main body 1, and a square hole is provided at the top of the rear cooling box of the main body 1; a fixing hole 107 is provided around the square hole of the cooling box of the main body 1, and a thread is provided inside the fixing hole 107; a thread is provided inside the sewage outlet 106, and a sealing plug 1061 is installed inside the sewage outlet 106; a motor 2 is installed inside the main body 1, and the circuit of the motor 2 is connected to the power supply; the electric The motor shaft of the motor 2 is fixedly connected to the cooling fan 201, and the cooling fan 201 is rotatably connected to the inside of the main body 1; a cooling pipe 3 is installed inside the main body 1, and a water inlet pipe 301 is provided at the bottom of the cooling pipe 3, and the water inlet pipe 301 is located at the bottom of the cooling box of the main body 1; a booster water pump 302 is installed on the water inlet pipe 301, and the booster water pump 302 line is connected to the power supply; a through hole is provided on the left side of the top of the cooling box of the main body 1, and a threaded hole is provided on the right side of the cooling box of the main body 1; a filter plate 4 is installed inside the cooling box of the main body 1, and a guide rod is fixedly connected to the left side of the filter plate 4; a filter plate 4 is slidably connected to the square hole of the cooling box of the main body 1 The ventilation frame 5 is provided with a fixing block 501 in a surrounding shape on all sides of the ventilation frame 5; threaded holes are symmetrically provided on the upper and lower sides of the adjusting block 103, and an adjusting bolt 1031 is threadedly connected inside the threaded hole of the adjusting block 103, and the top of the adjusting bolt 1031 fits the inside of the adjusting groove 102; a frequency converter is installed on the fixing seat 104, and threaded holes are symmetrically provided on the left and right sides of the fixing seat 104, and a clamping rod 1041 is installed inside the threaded hole of the fixing seat 104; the clamping rod 1041 is provided with threads, and the clamping rod 1041 is threadedly connected inside the threaded hole of the fixing seat 104.

[0034] In the disclosed embodiment, the position of the adjustment block 103 is fixed by adjusting the bolt 1031, and then the position of the fixing seat 104 is adjusted. Then, the clamping rod 1041 is rotated according to the model of the inverter, and the inverter is fixed inside the device by utilizing the threaded connection between the clamping rod 1041 and the fixing seat 104.

[0035] Embodiment 2, on the basis of embodiment 1, a thread is provided on the sealing plug 1061, and the sealing plug 1061 is threadedly connected to the inside of the sewage outlet 106; a ventilation pipe 108 is installed on the main body 1, and the front side of the ventilation pipe 108 is located at the air outlet of the heat dissipation fan 201, and the rear side of the ventilation pipe 108 is located at the top of the cooling box on the rear side of the main body 1; a spray pipe 303 is installed on the top of the cooling pipe 3, and the spray pipe 303 is located at the top of the cooling box of the main body 1; a threaded rod is rotatably connected to the right side of the filter plate 4, and the threaded rod of the filter plate 4 is threadedly connected to the inside of the threaded hole on the right side of the cooling box of the main body 1; a threaded hole is opened on the fixing block 501, and the threaded hole of the fixing block 501 is threadedly connected to a fixing bolt, and the fixing bolt of the fixing block 501 is also threadedly connected to the inside of the fixing hole 107 The coolant in the cooling box of the main body 1 is pumped into the interior of the main body 1 through the booster water pump 302, and the temperature inside the main body 1 is better cooled by the coolant and the heat dissipation fan 201, thereby improving the heat dissipation effect of the device when the frequency converter power is large and it is hot in summer. Then, the coolant circulates inside the cooling pipe 3 for a circle and is discharged from the spray pipe 303 located at the top of the cooling box of the main body 1, thereby cooling the coolant for heat exchange. At the same time, the ventilation pipe 108 can guide the wind blown out by the heat dissipation fan 201 to the bottom of the spray pipe 303, thereby better cooling the coolant. After the coolant has been used for a period of time, the fixing bolts of the fixing block 501 can be adjusted to remove the ventilation frame 5, and then the threaded rod of the filter plate 4 can be rotated to raise the position of the filter plate 4 to clean the impurities in the coolant in the cooling box of the main body 1.

[0036] The working principle of this embodiment is as follows: first, the position of the adjustment block 103 is fixed by adjusting the bolt 1031, then the position of the fixing seat 104 is adjusted, and then the clamping rod 1041 is threadedly connected to the fixing seat 104 to fix the frequency converter inside the device;

[0037] Then, the coolant in the cooling box of the main body 1 is pumped into the interior of the main body 1 through the booster water pump 302, and the coolant is discharged from the spray pipe 303 located at the top of the cooling box of the main body 1 after circulating inside the cooling pipe 3 for a circle. At the same time, the ventilation pipe 108 can guide the wind blown out by the cooling fan 201 to the bottom of the spray pipe 303. When there are many impurities in the coolant in the cooling box of the main body 1, the threaded rod of the filter plate 4 can be rotated to raise the position of the filter plate 4, and then the ventilation frame 5 can be removed to remove the impurities from the filter plate 4.

[0038] In this article, there are a few points to note:

[0039] 1. The drawings of the embodiments of the present disclosure only involve structures related to the embodiments of the present disclosure, and other structures may refer to general designs.

[0040] 2. In the absence of conflict, the embodiments of the present disclosure and the features therein may be combined with each other to obtain new embodiments.

[0041] The above are only specific embodiments of the present disclosure, but the protection scope of the present disclosure is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed in the present disclosure, which should be included in the protection scope of the present disclosure. Therefore, the protection scope of the present disclosure should be based on the protection scope of the claims.

Claims

1. A frequency converter heat dissipation structure, comprising: The main body is characterized in that: the left and right sides of the front end of the main body are symmetrically connected to the protective doors for rotation, and the protective doors are equipped with handles; the bottom of the rear side of the main body is fixedly connected to the cooling box, and the left and right sides of the interior of the main body are symmetrically provided with adjustment grooves, and the interior of the adjustment grooves is slidably connected with adjustment blocks, and the adjusting blocks are provided with sliding holes; the interior of the sliding holes is slidably connected with a fixed seat, and the rear side of the fixed seat is fixedly connected with a threaded column; the threaded column of the fixed seat is threadedly connected with a nut, and the inner sides of the threaded column and nut of the fixed seat fit the two sides of the sliding hole; a window is provided on the rear side of the main body, and a heat sink is installed in the window of the main body; a sewage outlet is provided at the bottom of the cooling box on the rear side of the main body, and a square hole is provided at the top of the cooling box on the rear side of the main body; the square hole of the cooling box of the main body is surrounded by a fixed hole, and the interior of the fixing hole is provided with a thread; the drain outlet is provided with a thread, and a sealing plug is installed inside the drain outlet; an electric motor is installed inside the main body, and the motor circuit is connected to the power supply; the motor shaft of the electric motor is fixedly connected to the cooling fan, and the cooling fan is rotatably connected to the inside of the main body; a cooling pipe is installed inside the main body, and a water inlet pipe is provided at the bottom of the cooling pipe, and the water inlet pipe is located at the bottom of the main cooling box; a booster water pump is installed on the water inlet pipe, and the booster water pump circuit is connected to the power supply; a through hole is opened on the left side of the top of the main cooling box, and a threaded hole is opened on the right side of the main cooling box; a filter plate is installed inside the main cooling box, and a guide rod is fixedly connected to the left side of the filter plate; a ventilation frame is slidably connected to the square hole of the cooling box of the main body, and fixed blocks are installed around the ventilation frame in a surrounding shape.

2. The inverter heat dissipation structure according to claim 1, characterized in that: The upper and lower sides of the adjusting block are symmetrically provided with threaded holes, and the threaded holes of the adjusting block are internally threadedly connected with adjusting bolts, and the tops of the adjusting bolts fit the inside of the adjusting grooves.

3. The inverter heat dissipation structure according to claim 1, characterized in that: The inverter is installed on the fixing seat, and threaded holes are symmetrically opened on the left and right sides of the fixing seat, and a clamping rod is installed inside the threaded hole of the fixing seat; the clamping rod is provided with threads, and the clamping rod is threadedly connected inside the threaded hole of the fixing seat.

4. The inverter heat dissipation structure according to claim 1, characterized in that: The sealing plug is provided with threads, and the sealing plug is threadedly connected to the inside of the sewage outlet.

5. The inverter heat dissipation structure according to claim 1, characterized in that: A ventilation pipe is installed on the main body, and the front side of the ventilation pipe is located at the air outlet of the heat dissipation fan, and the rear side of the ventilation pipe is located at the top end of the cooling box at the rear side of the main body.

6. The inverter heat dissipation structure according to claim 1, characterized in that: A spray pipe is installed on the top of the cooling pipe, and the spray pipe is located on the top of the main cooling box.

7. The inverter heat dissipation structure according to claim 1, characterized in that: The right side of the filter plate is rotatably connected with a threaded rod, and the threaded rod of the filter plate is threadedly connected inside a threaded hole on the right side of the main cooling box.

8. The inverter heat dissipation structure according to claim 1, characterized in that: The fixing block is provided with a threaded hole, and a fixing bolt is threadedly connected inside the threaded hole of the fixing block, and the fixing bolt of the fixing block is also threadedly connected inside the fixing hole.