Efficient circulating heat dissipation frequency conversion cabinet
By combining air-cooled and liquid-cooled heat dissipation components and dust-proof blockage structure, the problem of poor heat dissipation effect of existing inverter cabinets is solved, and efficient cooling is achieved in high-temperature environments to ensure the normal operation of the inverter.
Patent Information
- Application Number
- CN202421111055.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-21
- Publication Date
- 2024-12-31
- Estimated Expiration
- 2034-05-21
AI Technical Summary
The existing frequency converter cabinets are equipped with more heat dissipation holes to dissipate heat, and the heat dissipation effect is poor, especially in high temperature weather, which cannot quickly dissipate heat.
Adopt an efficient circulating heat dissipation solution combining air-cooling and liquid-cooling heat dissipation components, and air-cooling cooling is carried out through the motor to drive the fan blades to rotate. At the same time, the cooler and circulation pump drive the condensate circulation to achieve liquid-cooling cooling, and through the reciprocating screw and scraper Structure prevents dust from clogging the heat dissipation holes.
It significantly improves the cooling effect of the inverter, ensures that the inverter is prevented from heating damage in high temperature weather, and cools down simultaneously with air cooling and liquid cooling, enhancing the heat dissipation effect.
Smart Images
Figure CN222283819U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of frequency conversion cabinets, in particular to a high-efficiency circulating heat dissipation frequency conversion cabinet. Background Art
[0002] The frequency converter is a power control device that uses frequency conversion technology and microelectronics technology to control the power supply frequency of the AC motor. The working principle of the frequency converter is to control the power supply frequency of the AC motor by changing the working power supply frequency of the motor. This working mode causes a large amount of heat energy to be generated during operation and cannot be quickly dissipated. The existing frequency converter cabinet dissipates heat by setting up a large number of heat dissipation holes, but the heat dissipation effect is poor. In hot weather, the frequency converter cabinet cannot dissipate heat quickly.
[0003] Based on this, a high-efficiency circulating heat dissipation frequency conversion cabinet is now provided to eliminate the drawbacks of the existing devices. Utility Model Content
[0004] The utility model aims to provide a high-efficiency circulating heat dissipation frequency conversion cabinet to solve the problem that the existing frequency conversion cabinet dissipates heat by setting a large number of heat dissipation holes, but the heat dissipation effect is poor and the frequency conversion cabinet cannot dissipate heat quickly in high temperature weather.
[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:
[0006] A high-efficiency circulating heat dissipation frequency conversion cabinet comprises a frequency conversion cabinet body, the side wall of the frequency conversion cabinet body is rotatably connected to a cabinet door via a hinge, and also comprises an air-cooled heat dissipation component and a liquid-cooled heat dissipation component, the air-cooled heat dissipation component comprises fan blades, a motor, and a rotating shaft, the top wall of the frequency conversion cabinet body is rotatably connected to the rotating shaft via a bearing, the upper surface of the frequency conversion cabinet body is fixedly connected to the motor via a bracket, the part of the rotating shaft located in the frequency conversion cabinet body is fixedly connected to a plurality of fan blades, the output end of the motor is fixedly connected to the rotating shaft, and the liquid-cooled heat dissipation component is arranged in the frequency conversion cabinet body for cooling the inverter with a coolant.
[0007] On the basis of the above technical solutions, the present invention also provides the following optional technical solutions:
[0008] In an optional solution: the two opposite side walls and the top wall of the frequency converter cabinet body are provided with heat dissipation holes, the heat dissipation holes of the opposite side walls of the frequency converter cabinet body are provided with a first dustproof net, the heat dissipation holes of the top wall of the frequency converter cabinet body are provided with a second dustproof net, and the upper surface of the frequency converter cabinet body is provided with an anti-blocking structure to prevent dust from clogging the second dustproof net.
[0009] In an optional scheme: the anti-blocking structure includes a second fixed plate, two second fixed plates are fixedly connected to the upper surface of the frequency converter cabinet body, the two second fixed plates are rotatably connected to a reciprocating screw through a bearing, the two reciprocating screws are fixedly connected to a first bevel gear at one end close to the rotating shaft, the part of the rotating shaft outside the frequency converter cabinet body is fixedly connected to a second bevel gear, the second bevel gear is meshed with the two first bevel gears, and the two reciprocating screws are threadedly connected to a first scraper.
[0010] In an optional solution: the side wall of the second fixed plate away from the rotating axis is fixedly connected to the third fixed plate, the side wall of the third fixed plate away from the second fixed plate is fixedly connected to the first fixed plate, and the reciprocating screw is rotatably connected to the first fixed plate via a bearing.
[0011] In an optional solution: four guide blocks facing each other are fixedly connected to the upper surface of the frequency converter cabinet body, and the side walls of the four guide blocks are each provided with a first scraper groove, and the first scraper is slidably connected to the inner side walls of two opposite first scraper grooves.
[0012] In an optional solution: the two side walls of the first scraper are slidably connected with a second scraper, a plurality of damping springs are fixedly connected between the second scraper and the first scraper, and the second scraper is in contact with the second dustproof net.
[0013] In an optional solution: the liquid cooling heat dissipation component includes a cooler, a circulation pump, and a condenser. The inner wall of the frequency converter cabinet body is fixedly provided with a condenser. Both ends of the condenser extend through and extend outside the frequency converter cabinet body. The outer wall of the frequency converter cabinet body is fixedly connected with a cooler. Both ends of the cooler are fixedly connected to both ends of the condenser. A circulation pump is provided on the condenser, and condensed water is provided in the condenser.
[0014] In an optional solution: four supporting columns facing each other in pairs are fixedly connected to the lower surface of the frequency conversion cabinet body, and anti-slip pads are fixedly connected to the lower surfaces of the four supporting columns.
[0015] Compared with the prior art, the beneficial effects of the present invention are as follows:
[0016] The utility model starts the motor, the motor drives the rotating shaft to rotate, the rotating shaft drives the fan blades to rotate, and the inverter is cooled by air. At the same time, the cooler and the circulating pump are started. The circulating pump drives the condensed water in the condenser tube to circulate. When flowing through the cooler, the cooler cools the condensed water, so that the condensed water continuously brings out the heat in the inverter cabinet body, thereby achieving the effect of cooling the inverter. The air cooling and liquid cooling are carried out at the same time, which improves the cooling effect of the inverter and can prevent the inverter from being damaged by overheating even in high temperature weather.
[0017] The utility model drives the second bevel gear to rotate by rotating the rotating shaft, the second bevel gear drives the two first bevel gears to rotate, the two first bevel gears drive the two reciprocating screws to rotate, the two reciprocating screws drive the two second bevel gears to move back and forth, the two second bevel gears drive the two second scrapers to move back and forth, so that the second scrapers clean the upper surface of the second dustproof net to prevent dust from clogging the fan blades and affecting the heat dissipation of the inverter. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 It is a structural schematic diagram of the utility model.
[0019] Figure 2 This is a first viewing angle diagram of the present invention.
[0020] Figure 3 It is a schematic diagram of the internal structure of the utility model.
[0021] Figure 4 It is a schematic diagram of the anti-blocking structure of the utility model.
[0022] Figure 5 It is a schematic diagram of the explosion structure of the first scraper and the second scraper of the utility model.
[0023] Notes on figure numbers: 1 frequency conversion cabinet body, 2 support column, 3 cooler, 4 circulating pump, 5 condenser, 6 cabinet door, 7 first dustproof net, 8 fan blade, 9 second dustproof net, 10 motor, 11 guide block, 12 first scraper, 13 second scraper, 14 first fixed plate, 15 second fixed plate, 16 first bevel gear, 17 second bevel gear, 18 rotating shaft, 19 third fixed plate, 20 reciprocating screw. DETAILED DESCRIPTION
[0024] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. Example 1
[0025] In one embodiment, Figure 1-Figure 5As shown, a high-efficiency circulating heat dissipation frequency conversion cabinet includes a frequency conversion cabinet body 1, the side wall of the frequency conversion cabinet body 1 is connected to a cabinet door 6 by a hinge, and also includes an air-cooling heat dissipation component and a liquid-cooling heat dissipation component. The air-cooling heat dissipation component includes a fan blade 8, a motor 10, and a rotating shaft 18. The top wall of the frequency conversion cabinet body 1 is connected to the rotating shaft 18 by a bearing, and the upper surface of the frequency conversion cabinet body 1 is fixedly connected to the motor 10 through a bracket. The part of the rotating shaft 18 located in the frequency conversion cabinet body 1 is fixedly connected to a plurality of fan blades 8, and the output end of the motor 10 is fixedly connected to the rotating shaft 18. The liquid-cooling heat dissipation component is arranged in the frequency conversion cabinet body 1, and is used to cool the frequency converter with a coolant. Start the motor 10, the motor 10 drives the rotating shaft 18 to rotate, and the rotating shaft 18 drives the fan blade 8 to rotate, and the frequency converter is cooled by air.
[0026] In one embodiment, Figure 3 As shown, two opposite side walls and the top wall of the frequency conversion cabinet body 1 are provided with heat dissipation holes, the heat dissipation holes of the opposite side walls of the frequency conversion cabinet body 1 are provided with first dustproof nets 7, the heat dissipation holes of the top wall of the frequency conversion cabinet body 1 are provided with second dustproof nets 9, and the upper surface of the frequency conversion cabinet body 1 is provided with an anti-blocking structure to prevent dust from blocking the second dustproof net 9. The first dustproof net 7 and the second dustproof net 9 prevent dust from entering the frequency conversion cabinet body 1, causing damage to the inverter.
[0027] In one embodiment, Figure 4 and Figure 5 As shown, the anti-blocking structure includes a second fixed plate 15, and two second fixed plates 15 are fixedly connected to the upper surface of the frequency conversion cabinet body 1. The two second fixed plates 15 are both rotatably connected to the reciprocating screws 20 through the bearings, and the ends of the two reciprocating screws 20 close to the rotating shaft 18 are fixedly connected to the first bevel gear 16, and the part of the rotating shaft 18 located outside the frequency conversion cabinet body 1 is fixedly connected to the second bevel gear 17, and the second bevel gear 17 is meshed with the two first bevel gears 16, and the two reciprocating screws 20 are threadedly connected to the first scraper 12. The rotation of the rotating shaft 18 drives the second bevel gear 17 to rotate, and the rotation of the second bevel gear 17 drives the two first bevel gears 16 to rotate, and the rotation of the two first bevel gears 16 drives the two reciprocating screws 20 to rotate, and the rotation of the two reciprocating screws 20 drives the two second bevel gears 17 to reciprocate, and the two second bevel gears 17 drive the two second scrapers 13 to reciprocate, so that the second scraper 13 cleans the upper surface of the second dustproof net 9 to prevent dust from clogging the fan blades 8 and affecting the heat dissipation of the frequency converter.
[0028] In one embodiment, Figure 4As shown, the side wall of the second fixing plate 15 away from the rotating shaft 18 is fixedly connected to the third fixing plate 19, and the side wall of the third fixing plate 19 away from the second fixing plate 15 is fixedly connected to the first fixing plate 14, and the reciprocating screw 20 is rotatably connected to the first fixing plate 14 through a bearing. The first fixing plate 14 and the third fixing plate 19 are arranged to strengthen the strength of the reciprocating screw 20 and prevent the reciprocating screw 20 from bending and deformation.
[0029] In one embodiment, Figure 4 As shown, four guide blocks 11 are fixedly connected to the upper surface of the frequency converter cabinet body 1, and the side walls of the four guide blocks 11 are all provided with first scraper grooves, and the first scraper 12 is slidably connected to the inner side walls of the two opposite first scraper grooves. The first scraper 12 is guided by the guide blocks 11 to prevent the first scraper 12 from being deflected after long-term use.
[0030] In one embodiment, Figure 4 and Figure 5 As shown, the side walls of the two first scrapers 12 are slidably connected with the second scraper 13, a plurality of damping springs are fixedly connected between the second scraper 13 and the first scraper 12, and the second scraper 13 abuts against the second dustproof net 9. By arranging a plurality of damping springs between the first scraper 12 and the second scraper 13, the second scraper 13 can better abut against the upper surface of the second dustproof net 9 to scrape off the dust on the upper surface of the second dustproof net 9.
[0031] In one embodiment, Figure 2 and Figure 3 As shown, the liquid cooling heat dissipation component includes a cooler 3, a circulation pump 4, and a condenser 5. The inner wall of the frequency conversion cabinet body 1 is fixedly provided with a condenser 5. Both ends of the condenser 5 extend through and extend to the outside of the frequency conversion cabinet body 1. The outer wall of the frequency conversion cabinet body 1 is fixedly connected with the cooler 3. Both ends of the cooler 3 are fixedly connected to both ends of the condenser 5. The condenser 5 is provided with a circulation pump 4, and condensed water is provided in the condenser 5. The cooler 3 and the circulation pump 4 are started, and the circulation pump 4 drives the condensed water in the condenser 5 to circulate. When the condensed water flows through the cooler 3, the cooler 3 cools the condensed water, so that the condensed water continuously takes out the heat in the frequency conversion cabinet body 1, thereby achieving the effect of cooling the frequency converter. Example 2
[0032] In one embodiment, Figure 1 and Figure 2 As shown, four supporting columns 2 facing each other are fixedly connected to the lower surface of the frequency conversion cabinet body 1, and anti-skid pads are fixedly connected to the lower surfaces of the four supporting columns 2. The anti-skid pads prevent the frequency conversion cabinet body 1 from deflecting.
[0033] The above embodiment discloses a high-efficiency circulating heat dissipation frequency conversion cabinet, which starts the motor 10, drives the rotating shaft 18 to rotate, and the rotating shaft 18 drives the fan blades 8 to rotate, so as to cool the frequency converter by air;
[0034] At the same time, the rotation of the rotating shaft 18 drives the second bevel gear 17 to rotate, the rotation of the second bevel gear 17 drives the two first bevel gears 16 to rotate, the rotation of the two first bevel gears 16 drives the two reciprocating screws 20 to rotate, the rotation of the two reciprocating screws 20 drives the two second bevel gears 17 to move back and forth, and the two second bevel gears 17 drive the two second scrapers 13 to move back and forth, so that the second scrapers 13 clean the upper surface of the second dustproof net 9 to prevent dust from clogging the fan blades 8 and affecting the heat dissipation of the inverter;
[0035] By arranging a plurality of damping springs between the first scraper 12 and the second scraper 13, the second scraper 13 can better contact with the upper surface of the second dustproof net 9 to scrape away dust on the upper surface of the second dustproof net 9;
[0036] The first fixing plate 14 and the third fixing plate 19 are provided to strengthen the strength of the reciprocating screw 20 and prevent the reciprocating screw 20 from bending and deforming.
[0037] The first scraper 12 is guided by the guide block 11 to prevent the first scraper 12 from being deviated due to long-term use;
[0038] Start the cooler 3 and the circulation pump 4. The circulation pump 4 drives the condensed water in the condenser tube 5 to circulate. When flowing through the cooler 3, the cooler 3 cools the condensed water, so that the condensed water continuously takes out the heat in the frequency converter cabinet body 1, thereby achieving the effect of cooling the frequency converter.
[0039] The above is only a specific implementation of the present application, but the protection scope of the present application is not limited thereto. Any person skilled in the art who is familiar with the present technical field can easily think of changes or substitutions within the technical scope disclosed in the present application, which should be included in the protection scope of the present application. Therefore, the protection scope of the present application should be based on the protection scope of the claims.
Claims
1. A high-efficiency circulating heat dissipation frequency conversion cabinet, comprising a frequency conversion cabinet body (1), wherein the side wall of the frequency conversion cabinet body (1) is rotatably connected to a cabinet door (6) via a hinge, and characterized in that: It also includes an air-cooling heat dissipation component and a liquid-cooling heat dissipation component, wherein the air-cooling heat dissipation component includes fan blades (8), a motor (10), and a rotating shaft (18); the top wall of the frequency conversion cabinet body (1) is rotatably connected to the rotating shaft (18) through a bearing, the upper surface of the frequency conversion cabinet body (1) is fixedly connected to the motor (10) through a bracket, the part of the rotating shaft (18) located inside the frequency conversion cabinet body (1) is fixedly connected to a plurality of fan blades (8), the output end of the motor (10) is fixedly connected to the rotating shaft (18), and the liquid-cooling heat dissipation component is arranged inside the frequency conversion cabinet body (1) and is used to cool the frequency converter by cooling liquid.
2. According to claim 1, a high-efficiency circulating heat dissipation frequency conversion cabinet is characterized in that: The two opposite side walls and the top wall of the frequency conversion cabinet body (1) are provided with heat dissipation holes, the heat dissipation holes of the opposite side walls of the frequency conversion cabinet body (1) are provided with first dustproof nets (7), the heat dissipation holes of the top wall of the frequency conversion cabinet body (1) are provided with second dustproof nets (9), and the upper surface of the frequency conversion cabinet body (1) is provided with an anti-blocking structure for preventing dust from blocking the second dustproof net (9).
3. The high-efficiency circulating heat dissipation frequency conversion cabinet according to claim 2 is characterized in that: The anti-blocking structure comprises a second fixed plate (15), two second fixed plates (15) are fixedly connected to the upper surface of the frequency conversion cabinet body (1), the two second fixed plates (15) are both rotatably connected to a reciprocating screw (20) through a bearing, one end of the two reciprocating screws (20) close to the rotating shaft (18) is fixedly connected to a first bevel gear (16), a portion of the rotating shaft (18) located outside the frequency conversion cabinet body (1) is fixedly connected to a second bevel gear (17), the second bevel gear (17) is meshed with the two first bevel gears (16), and the two reciprocating screws (20) are both threadedly connected to a first scraper (12).
4. The high-efficiency circulating heat dissipation frequency conversion cabinet according to claim 3 is characterized in that: A third fixing plate (19) is fixedly connected to a side wall of the second fixing plate (15) away from the rotating shaft (18); a first fixing plate (14) is fixedly connected to a side wall of the third fixing plate (19) away from the second fixing plate (15); and the reciprocating screw (20) is rotatably connected to the first fixing plate (14) via a bearing.
5. The high-efficiency circulating heat dissipation frequency conversion cabinet according to claim 4 is characterized in that: Four guide blocks (11) are fixedly connected to the upper surface of the frequency converter cabinet body (1), and are opposed to each other in pairs. The side walls of the four guide blocks (11) are each provided with a first scraper groove, and the first scraper (12) is slidably connected to the inner side walls of two opposed first scraper grooves.
6. The high-efficiency circulating heat dissipation frequency conversion cabinet according to claim 5 is characterized in that: The side walls of the two first scrapers (12) are slidably connected to a second scraper (13); a plurality of damping springs are fixedly connected between the second scraper (13) and the first scraper (12); and the second scraper (13) abuts against the second dustproof net (9).
7. The high-efficiency circulating heat dissipation frequency conversion cabinet according to claim 6 is characterized in that: The liquid cooling heat dissipation component comprises a cooler (3), a circulation pump (4), and a condenser (5); the condenser (5) is fixedly arranged on the inner wall of the frequency conversion cabinet body (1); both ends of the condenser (5) extend through and extend to the outside of the frequency conversion cabinet body (1); the cooler (3) is fixedly connected to the outer wall of the frequency conversion cabinet body (1); both ends of the cooler (3) are fixedly connected to both ends of the condenser (5); the circulation pump (4) is arranged on the condenser (5); and condensed water is arranged in the condenser (5).
8. The high-efficiency circulating heat dissipation frequency conversion cabinet according to claim 1 is characterized in that: The lower surface of the frequency conversion cabinet body (1) is fixedly connected to four supporting columns (2) which are opposed to each other in pairs, and the lower surfaces of the four supporting columns (2) are all fixedly connected to anti-slip pads.