Air conditioner and electric reactor heat dissipation structure thereof

Abstract

The utility model discloses an air conditioner and an electric reactor heat dissipation structure thereof, a middle partition plate is fixed in a shell and divides an inner cavity of the shell into a fan cavity and a compressor cavity, a mounting seat of an electric reactor is fixedly connected with the middle partition plate, and the electric reactor is located in the compressor cavity; a heat dissipation opening is formed in the middle partition plate, a mounting seat of the electric reactor blocks the heat dissipation opening, and part of the mounting seat of the electric reactor is exposed in the fan cavity through the heat dissipation opening; and a sealing piece is arranged between the electric reactor and the middle partition plate. Through the arrangement, the mounting seat of the electric reactor is directly exposed in the fan cavity in a large area through the heat dissipation opening, so that the electric reactor can be ensured to have enough heat dissipation area; and the reactors are arranged in the compressor cavity, so that installation and wiring are convenient, and a plurality of reactors can be conveniently arranged at the same time.

Description

Technical Field

[0001] The utility model relates to the field of heat pump air conditioners, in particular to an air conditioner and a reactor heat dissipation structure thereof. Background Art

[0002] The inverters of variable frequency heat pump units and air conditioner units are connected to reactors to reduce harmonic currents or improve the inverter's anti-surge interference characteristics. The reactor is generally connected in series to the input, and the entire machine current will flow through the reactor, so the heat generated by the reactor will be particularly high, generally reaching 90 to 130°C. High temperature affects the reliability of other components of the whole machine and its own life. Therefore, in the structural design of variable frequency heat pumps or air conditioners, the installation position design of the reactor is a difficult point. An unreasonable design will affect the reliability of the whole machine. At present, some manufacturers put the reactor under the fan: heat dissipation is easy, but the production process is complicated, multiple processes are added, and there is a risk of water ingress; some manufacturers hang the reactor on the middle partition: the process is simple, but there is no air duct, heat dissipation is difficult, and the reactor bakes the electric control box, affecting the reliability of other components.

[0003] The prior art with the publication number CN214664856U discloses a reactor box, an air conditioner outdoor unit and an air conditioner, wherein the reactor box is used for the air conditioner outdoor unit, the air conditioner outdoor unit comprises a shell and a middle partition plate arranged in the shell, an air outlet is provided on the middle partition plate, and the reactor box comprises: a box body, a receiving cavity for receiving the reactor, and a first heat dissipation port and a second heat dissipation port both connected to the receiving cavity, the first heat dissipation port and the second heat dissipation port are arranged opposite to each other, and the second heat dissipation port is arranged to connect to the air outlet. The reactor box is arranged in the fan cavity, and the fan in the fan cavity rotates to drive the air flow from the compressor cavity to the fan cavity, that is, the air flow flows from the compressor cavity, the air outlet, the second heat dissipation port, the receiving cavity, the first heat dissipation port and the fan cavity in sequence.

[0004] The existing technology has the following problems: 1) After the fan is started, the heat in the compressor cavity will be discharged as the air flows through the reactor, and the reactor is installed in the fan cavity. Due to the temperature difference between the fan cavity and the compressor cavity, condensed water will be generated on the middle partition, and the condensed water will flow through the reactor with the air. If there is too much condensed water on the reactor for a long time, it will be corroded and damaged; 2) The reactor needs to maintain a distance from the fan blades, and the reactor box is covered with several sheets of sheet metal. The installation process is very complicated and has sequence constraints, which affects the overall production and assembly efficiency. Utility Model Content

[0005] In order to solve the problem in the prior art that reactors are difficult to install and prone to corrosion, the utility model aims to provide an air conditioner and a reactor heat dissipation structure thereof, which can meet the heat dissipation requirements of the reactor and are easy to install.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical solutions: a reactor heat dissipation structure, a middle partition is fixed in the shell and divides the inner cavity of the shell into a fan cavity and a compressor cavity, the mounting seat of the reactor is fixedly connected to the middle partition, and the reactor is located in the compressor cavity; a heat dissipation port is opened on the middle partition, the heat dissipation port is blocked by the mounting seat of the reactor, and part of the mounting seat of the reactor is exposed to the fan cavity through the heat dissipation port; a seal is arranged between the reactor and the middle partition.

[0007] Preferably, the sealing member is provided with an opening, and the opening on the sealing member matches the heat dissipation opening of the middle partition.

[0008] Preferably, the mounting base is fixed to the middle partition plate by screws.

[0009] Preferably, the heat dissipation opening is hexagonal.

[0010] Preferably, the sealing member comprises a sponge.

[0011] Preferably, the coil of the reactor is exposed in the compressor cavity.

[0012] Preferably, a fan is installed in the fan cavity, the evaporator is installed at the rear side of the fan, and the front baffle is installed at the front side of the fan; after the fan is started, air enters from the evaporator and then is discharged from the front baffle, and takes away the heat of the reactor through the heat dissipation port.

[0013] Preferably, the middle partition is provided with a plurality of heat dissipation openings, and the plurality of heat dissipation openings correspond one-to-one to the plurality of reactors.

[0014] An air conditioner comprises the above reactor heat dissipation structure.

[0015] Preferably, a frequency converter is also included, the frequency converter is fixedly connected to the middle partition, and part of the frequency converter is located in the fan cavity.

[0016] The beneficial effects of the technical solution of the utility model are as follows: the mounting base of the reactor is directly exposed to the fan cavity over a large area through the heat dissipation port, which can ensure that the reactor has sufficient heat dissipation area; and the reactor is arranged in the compressor cavity, which is convenient for installation and wiring, and facilitates the simultaneous arrangement of multiple reactors. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of the heat dissipation structure of the reactor;

[0018] Figure 2 It is a schematic diagram of the connection structure between the middle partition and the reactor;

[0019] Figure 3 Schematic diagram of the connection structure between the reactor and the seal.

[0020] Figure numerals: 1. outer shell; 2. middle partition; 21. heat dissipation port; 3. compressor cavity; 4. front baffle; 5. reactor; 51. mounting seat; 52. connecting hole; 6. inverter; 7. seal; 71. opening. DETAILED DESCRIPTION

[0021] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0022] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0023] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, unless otherwise specified, "plurality" means two or more, unless otherwise clearly defined.

[0024] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0025] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature. Example

[0026] like Figures 1 to 3 A reactor heat dissipation structure is shown, wherein a middle partition plate 2 is fixed in a housing 1 and divides the inner cavity of the housing 1 into a fan cavity and a compressor cavity 3, a mounting base 51 of a reactor 5 is fixedly connected to the middle partition plate 2, and the reactor 5 is located in the compressor cavity 3;

[0027] The middle partition plate 2 is provided with a heat dissipation opening 21 , and the mounting seat 51 of the reactor 5 blocks the heat dissipation opening 21 , and part of the mounting seat 51 of the reactor 5 is exposed to the fan cavity through the heat dissipation opening 21 ; a seal 7 is provided between the reactor 5 and the middle partition plate 2 .

[0028] With such arrangement, the mounting base 51 of the reactor 5 is directly exposed to the fan cavity over a large area through the heat dissipation opening 21, thus ensuring that the reactor 5 has sufficient heat dissipation area; and the reactor 5 is arranged in the compressor cavity 3, which is convenient for installation and wiring.

[0029] In this embodiment, the sealing member 7 is provided with an opening 71 , and the opening 71 on the sealing member 7 matches the heat dissipation opening 21 of the middle partition plate 2 .

[0030] In this embodiment, the mounting seat 51 is fixed to the middle partition plate 2 by screws. Specifically, four connection holes 52 are provided on the mounting seat 51, and the screws pass through the connection holes and are threadedly connected to the middle partition plate 2; further, the heat dissipation port 21 is a hexagon, so that the heat dissipation hole avoids the screws and ensures sufficient heat dissipation area.

[0031] In other embodiments, the heat dissipation opening 21 may also be in other deformable shapes.

[0032] In this embodiment, the sealing member 7 includes a sponge, and an opening 71 is provided on the sponge, and the opening 71 on the sponge matches the heat dissipation opening 21 of the middle partition 2. In this way, the sponge can effectively absorb water vapor and has sufficient deformation stroke, thereby ensuring the sealing between the middle partition 2 and the reactor 5.

[0033] In other embodiments, the sealing member 7 may also be a rubber pad.

[0034] In this embodiment, a plurality of heat dissipation openings 21 are provided on the middle partition plate 2 , and the plurality of heat dissipation openings 21 correspond one-to-one to the plurality of reactors 5 .

[0035] In this embodiment, a fan is installed in the fan cavity, the evaporator is installed at the rear side of the fan, and the front baffle 4 is installed at the front side of the fan; after the fan is started, air enters from the evaporator and then is discharged from the front baffle, and the air takes away the heat of the reactor 5 through the heat dissipation port 21.

[0036] An air conditioner comprises the above reactor 5 heat dissipation structure, and also comprises a frequency converter 6, the frequency converter 6 is fixedly connected to the middle partition plate 2, part of the frequency converter 6 is located in the fan cavity, and part of the frequency converter 6 is located in the compressor cavity 3.

[0037] The test structure of the heat pump air conditioner using the above structure is as follows:

[0038] The test data is as follows:

[0039] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0040] Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are illustrative and cannot be understood as limitations on the present invention. Ordinary technicians in the field can change, modify, replace and modify the above embodiments within the scope of the present invention without departing from the principles and purpose of the present invention.

Claims

1. A reactor heat dissipation structure, wherein a middle partition (2) is fixed in a housing (1) and divides the inner cavity of the housing (1) into a fan cavity and a compressor cavity (3), characterized in that: The mounting base (51) of the reactor (5) is fixedly connected to the middle partition plate (2), and the reactor (5) is located in the compressor cavity (3); A heat dissipation opening (21) is provided on the middle partition plate (2), the mounting seat (51) of the reactor (5) blocks the heat dissipation opening (21), and a portion of the mounting seat (51) of the reactor (5) is exposed to the fan cavity through the heat dissipation opening (21); A sealing member (7) is provided between the reactor (5) and the middle partition plate (2).

2. A heat dissipation structure of a reactor (5) according to claim 1, characterized in that: The sealing member (7) is provided with an opening (71), and the opening (71) on the sealing member (7) matches the heat dissipation opening (21) of the middle partition plate (2).

3. A heat dissipation structure of a reactor (5) according to claim 1, characterized in that: The mounting seat (51) is fixed on the middle partition plate (2) by means of screws.

4. A heat dissipation structure of a reactor (5) according to claim 1, characterized in that: The heat dissipation opening (21) is hexagonal.

5. A heat dissipation structure of a reactor (5) according to claim 1, characterized in that: The sealing member (7) comprises a sponge.

6. A heat dissipation structure of a reactor (5) according to claim 1, characterized in that: The coil of the reactor (5) is exposed in the compressor chamber (3).

7. A reactor (5) heat dissipation structure according to claim 1, characterized in that: A fan is installed in the fan cavity, the evaporator is installed at the rear side of the fan, and the front baffle (4) is installed at the front side of the fan; after the fan is started, air enters from the evaporator and is then discharged from the front baffle (4), and the air takes away the heat of the reactor (5) through the heat dissipation port (21).

8. A reactor (5) heat dissipation structure according to claim 1, characterized in that: The middle partition plate (2) is provided with a plurality of heat dissipation openings (21), and the plurality of heat dissipation openings (21) correspond one-to-one to the plurality of reactors (5).

9. An air conditioner, characterized in that: A reactor (5) heat dissipation structure comprising any one of claims 1 to 8.

10. An air conditioner according to claim 9, characterized in that: It also includes a frequency converter (6), the frequency converter (6) is fixedly connected to the middle partition plate (2), and a portion of the frequency converter (6) is located in the fan cavity.

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