High-efficiency heat-dissipation high-power frequency converter shell and frequency converter thereof

Abstract

The high-efficiency heat-dissipation high-power frequency converter shell comprises a shell body, a heat-dissipation channel is arranged in the shell body, an air inlet and an air outlet which are communicated with the heat-dissipation channel are respectively arranged on two sides of the shell body, an air outlet piece is arranged at the air outlet, and the heat-dissipation channel is communicated with the heat-dissipation channel. An air compression channel is arranged in the heat dissipation channel and located between the air inlet and the air outlet, a radiator is arranged in the air compression channel, and a component extending space is arranged in the heat dissipation channel and located between the air inlet and the air compression channel. The high-efficiency heat-dissipation high-power frequency converter housing is large in size, can realize the installation of electronic components of a high-power frequency converter, can also realize high-efficiency heat dissipation, and ensures the long-time work of the frequency converter.

Description

Technical Field

[0001] The utility model relates to the technical field of frequency converters, and more specifically to a high-efficiency heat-dissipating large-power frequency converter housing and its frequency converter. Background Art

[0002] A frequency converter mainly consists of rectification (AC to DC), filtering, inversion (DC to AC), a braking unit, a driving unit, a detection unit, a microprocessing unit, etc. The frequency converter adjusts the voltage and frequency of the output power supply by the on-off of the internal IGBT, provides the required power supply voltage according to the actual needs of the motor, and thus achieves the purpose of energy saving and speed regulation. In addition, the frequency converter also has many protection functions, such as overcurrent, overvoltage, overload protection, etc. With the continuous improvement of industrial automation, frequency converters have been widely used.

[0003] At present, there are significant conflicts among existing frequency converters in terms of volume, heat dissipation, and cost, and it is impossible to achieve all of them at the same time. When considering performance, the volume is relatively large, and when considering cost, the temperature of the frequency conversion is relatively high, and it cannot work for a long time. Summary of the Utility Model

[0004] Aiming at the deficiencies of the prior art, the utility model provides a high-efficiency heat-dissipating large-power frequency converter housing and its frequency converter. The high-efficiency heat-dissipating large-power frequency converter housing has a relatively large volume, can realize the installation of electronic components of the large-power frequency converter, and can also achieve efficient heat dissipation to ensure the long-term operation of the frequency converter.

[0005] To achieve the above object, the utility model provides the following technical solutions:

[0006] A high-efficiency heat-dissipating large-power frequency converter housing includes a housing. A heat dissipation channel is arranged inside the housing. An air inlet and an air outlet communicated with the heat dissipation channel are respectively arranged on both sides of the housing. An air outlet member is arranged at the air outlet. An air compression channel is arranged in the heat dissipation channel between the air inlet and the air outlet. A radiator is arranged in the air compression channel. A component insertion space is arranged in the heat dissipation channel between the air inlet and the air compression channel.

[0007] Furthermore, the radiator includes a radiator housing and a plurality of heat dissipation fins arranged inside the radiator housing. There is a flow space between the plurality of heat dissipation fins.

[0008] Furthermore, guide wind plates are arranged on the sides of the air compression channel facing the air inlet and the air outlet.

[0009] Furthermore, a plurality of grid holes are arranged at the air inlet of the housing.

[0010] Furthermore, a component installation space is arranged above the heat dissipation channel inside the housing.

[0011] Further, an installation plate is provided at the air outlet of the housing, and the air outlet is arranged on the installation plate.

[0012] Further, the air outlet member is a cooling fan.

[0013] A frequency converter includes a number of components and a high-efficiency heat-dissipating high-power frequency converter housing, and a number of components are all installed in the housing.

[0014] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0015] 1. By providing a component insertion space between the air inlet and the air compression channel in the heat dissipation channel of the present utility model, all important components with serious heat generation can be installed and inserted into the component insertion space, ensuring that important components are cooled through the air duct, and extending the service life of the components;

[0016] 2. Through the air suction type heat dissipation air duct, the noise of the air duct is effectively reduced;

[0017] 3. By providing an air compression channel and a wind guide plate, the wind guide plate is used to guide the air entering the heat dissipation channel into the air compression channel. At the same time, the flow rate of the compressed air passing through the radiator will increase, making the heat dissipation efficiency higher and achieving efficient heat dissipation. Description of the Drawings

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model, the following will briefly introduce the drawings required for the description of the embodiments. Obviously, the following drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings, where:

[0019] Figure 1 It is a structural schematic diagram of a high-efficiency heat-dissipating high-power frequency converter housing Figure 1 ;

[0020] Figure 2 It is a structural schematic diagram of a high-efficiency heat-dissipating high-power frequency converter housing Figure 2 。

[0021] The marks in the figure are: 1. Housing; 2. Heat dissipation channel; 3. Air inlet; 4. Grille hole; 5. Air outlet; 6. Installation plate; 7. Radiator housing; 8. Heat sink; 9. Wind guide plate; 10. Component insertion space; 11. Component installation space. Detailed Embodiments

[0022] In the description of the present utility model, it should be noted that for orientation terms, such as the terms "center", "lateral (X)", "longitudinal (Y)", "vertical (Z)", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., the indicated orientation and positional relationship are based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and should not be construed as limiting the specific protection scope of the present utility model.

[0023] In addition, such terms as "first" and "second" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance or implicitly specifying the quantity of technical features. Thus, the features defined as "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present utility model, the meanings of "several" and "a number of" are two or more, unless otherwise specifically and clearly defined.

[0024] An efficient heat dissipation high-power frequency converter housing 1, as Figure 1-2 shown, includes a housing 1. A heat dissipation channel 2 is provided inside the housing 1. An air inlet 3 and an air outlet 5 communicating with the heat dissipation channel 2 are respectively provided on both sides of the housing 1. An air outlet member is provided at the air outlet 5. An air compression channel is provided between the air inlet 3 and the air outlet 5 inside the heat dissipation channel 2. A radiator is provided inside the air compression channel. A component insertion space 10 is provided between the air inlet 3 and the air compression channel in the heat dissipation channel 2.

[0025] Preferably in this embodiment, the radiator includes a radiator housing 7 and a number of heat dissipation fins 8 provided inside the radiator housing 7. There is a flow space between the number of heat dissipation fins 8.

[0026] Preferably in this embodiment, guide plates 9 are provided on the sides of the air compression channel facing the air inlet 3 and the air outlet 5. By providing the guide plates 9, the air flowing into the heat dissipation channel 2 is guided to ensure that the air flowing into the heat dissipation channel 2 stably enters the air compression channel.

[0027] Preferably in this embodiment, a number of grille holes 4 are provided at the air inlet 3 of the housing 1, so as to protect the air inlet 3 through the number of grille holes 4 and prevent sundries from entering the air inlet 3.

[0028] Preferably in this embodiment, a component installation space 11 is provided above the heat dissipation channel 2 inside the housing 1.

[0029] Preferably, in this embodiment, an installation plate 6 is provided at the air outlet 5 of the housing 1, and the air outlet 5 is arranged on the installation plate 6. The air outlet member is installed by setting the installation plate 6.

[0030] Preferably, in this embodiment, the air outlet member is a cooling fan, and the cooling fan is installed on the installation plate 6, so as to draw air out of the heat dissipation channel 2 through the fan to achieve heat dissipation.

[0031] A frequency converter includes a number of components and a high-efficiency heat dissipation high-power frequency converter housing 1, and a number of components are all installed in the housing 1.

[0032] Working principle:

[0033] 1. In the present invention, a component insertion space 10 is provided between the heat dissipation channel 2 at the air inlet 3 and the air compression channel, so that all important components with serious heat generation can be installed and inserted into the component insertion space 10, ensuring that important components are cooled through the air duct, and prolonging the service life of the components;

[0034] 2. Through the air suction type heat dissipation air duct, the noise of the air duct is effectively reduced;

[0035] 3. By setting the air compression channel and the air deflector 9, the air deflector 9 is used to guide the air entering the heat dissipation channel 2 into the air compression channel. At the same time, the flow rate of the compressed air passing through the radiator will increase, making the heat dissipation efficiency higher and achieving efficient heat dissipation.

[0036] The above is only the preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments. All technical solutions falling within the idea of the present invention belong to the protection scope of the present invention. It should be noted that for those of ordinary skill in the art, without departing from the principle of the present invention, several improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. An efficient heat dissipation high-power frequency converter housing, characterized in that: It includes a housing, a heat dissipation channel is provided inside the housing, an air inlet and an air outlet communicated with the heat dissipation channel are respectively provided on two sides of the housing, an air outlet member is provided at the air outlet, an air compression channel is provided between the air inlet and the air outlet in the heat dissipation channel, a radiator is provided in the air compression channel, and a component insertion space is provided between the air inlet and the air compression channel in the heat dissipation channel.

2. The high-efficiency heat-dissipating high-power frequency converter housing according to claim 1, wherein: The radiator includes a radiator housing and a plurality of heat dissipation fins arranged inside the radiator housing, and there is a flow space between the plurality of heat dissipation fins.

3. The high-efficiency heat-dissipating high-power frequency converter housing according to claim 1, wherein: Air guide plates are provided on the sides of the air compression channel facing the air inlet and the air outlet.

4. The high-efficiency heat dissipation high-power frequency converter housing according to claim 1, wherein: A plurality of grille holes are provided at the air inlet of the housing.

5. The high-efficiency heat-dissipating high-power frequency converter housing according to claim 1, wherein: A component installation space is provided above the heat dissipation channel inside the housing.

6. The high-efficiency heat dissipation high-power frequency converter housing according to claim 1, wherein: An installation plate is provided at the air outlet of the housing, and the air outlet is provided on the installation plate.

7. The high-efficiency heat-dissipating high-power frequency converter housing according to claim 1, wherein: The air outlet member is a cooling fan.

8. A frequency converter, characterized in that: It includes a plurality of components and a high-efficiency heat dissipation high-power frequency converter housing according to any one of claims 1-7, and the plurality of components are all installed inside the housing.

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