CN111380113B

CN111380113B - Air conditioner

Info

Publication number: CN111380113B
Application number: CN201811638416.0A
Authority: CN
Inventors: 徐佳; 王定远; 王飞; 刘德昌; 王大伟
Original assignee: Qingdao Haier Air Conditioner Gen Corp Ltd; Qingdao Haier Smart Technology R&D Co Ltd; Haier Smart Home Co Ltd
Current assignee: Qingdao Haier Air Conditioner Gen Corp Ltd; Qingdao Haier Smart Technology R&D Co Ltd; Haier Smart Home Co Ltd
Priority date: 2018-12-29
Filing date: 2018-12-29
Publication date: 2021-05-25
Anticipated expiration: 2038-12-29
Also published as: CN111380113A

Abstract

The invention discloses an air conditioner, and belongs to the technical field of air conditioners. The air conditioner comprises an outdoor unit, a sound insulation board, an electric control box, a water tank and a radiator, wherein the electric control box is internally provided with a frequency conversion module; the water tank is fixedly connected to the lower side of the electric control box, a first air inlet is formed in one side of the water tank, a first air outlet is formed in the other side of the water tank, and a water inlet is formed in the water tank; the radiator is connected with the electric control box; the sound-proof board divides the outdoor unit into a compressor cavity and a fan cavity, the first air inlet is communicated with one side of the compressor cavity, and the first air outlet is communicated with one side of the fan cavity. By adopting the embodiment, the heat dissipation capability is greatly increased, and the cooling effect is improved.

Description

Air conditioner

Technical Field

The invention relates to the technical field of air conditioners, in particular to an air conditioner.

Background

With the continuous development of the variable frequency air conditioner technology, the variable frequency module of the air conditioner external unit generates heat more and more seriously, and the reliability of the air conditioner is seriously influenced by the heat dissipation problem of the variable frequency module.

At present, most of the heat radiation of the frequency conversion module of the air conditioner external unit is optimally spread around the radiator body,

the heat dissipation area is increased by increasing the height of the fins, the number of the fins and the like. However, due to the limitation of the structural space of the air conditioner external unit, the optimized space of the radiator body is very small, and secondly, the bypass airflow of the main fan of the external unit is heated by the condenser, so that the temperature is high, and the heat dissipation of the frequency conversion module of the air conditioner external unit is very limited.

Disclosure of Invention

The embodiment of the invention provides an air conditioner. The following presents a simplified summary in order to provide a basic understanding of some aspects of the disclosed embodiments. This summary is not an extensive overview and is intended to neither identify key/critical elements nor delineate the scope of such embodiments. Its sole purpose is to present some concepts in a simplified form as a prelude to the more detailed description that is presented later.

According to an embodiment of the present invention, there is provided an air conditioner.

In some optional embodiments, the air conditioner comprises an outdoor unit, a sound insulation board, an electric control box with a frequency conversion module arranged inside, a water tank and a radiator arranged in the water tank; the water tank is fixedly connected to the lower side of the electric control box, a first air inlet is formed in one side of the water tank, a first air outlet is formed in the other side of the water tank, a water inlet is further formed in the water tank, a second air inlet is formed in one end of the electric control box, and a second air outlet is formed in the other end of the electric control box; the radiator is connected with the electric control box; the sound insulation board divides the outdoor unit into a compressor cavity and a fan

And the first air inlet is communicated with the second air outlet, the second air inlet is communicated with one side of the compressor cavity, and the first air outlet is communicated with one side of the fan cavity.

By adopting the optional embodiment, condensed water or other cold water generated by the air conditioner is introduced into the water tank through the water inlet, one end of the radiator is immersed into the condensed water or other cold water, the radiator conducts heat generated in the electric control box out and guides the temperature into water to achieve the purpose of cooling, on the other hand, in the working process of the outdoor unit, the fan cavity generates negative pressure to drive air flow to enter from the first air inlet of the water tank to cool the radiator in the water tank, the air flow can accelerate evaporation of water, the temperature is further cooled by utilizing evaporation heat absorption, and further, the purpose of efficient cooling is achieved, the first air inlet of the water tank is communicated with the second air outlet of the electric control box, namely, the first air inlet is connected with the compressor cavity through the inner space of the electric control box, when the outdoor unit works, the fan cavity generates negative pressure, the air flow in the compressor cavity can enter through the second air inlet, the water tank passes through the interior of the electric control box, the heat generated by the electric control box is cooled for the first time, then the water tank is filled with the first air inlet through the second air outlet, the radiator is cooled, and the heat generated by the electric control box is cooled for the second time, so that the cooling effect is further improved.

Optionally, an electronic component mounting area is arranged on one side, close to the second air inlet, inside the electric control box, one side, close to the second air outlet, inside the electric control box is connected with the radiator, and the frequency conversion module inside the electric control box is mounted at a position where the radiator is connected with the electric control box. By adopting the embodiment, because the heat productivity of the frequency conversion module is large, the heat productivity of the electronic element installation area is small, the air flow firstly cools the electronic element installation area after passing through the second air inlet, and then cools the frequency conversion module, so that the heat emitted by the frequency conversion module is prevented from influencing the electronic element installation area, and the stable operation of the electronic element is ensured.

Optionally, a printed board is arranged inside the electric control box, and covers the electronic element mounting area and the connection position of the radiator and the electric control box. By adopting the embodiment, the electronic element arranged in the electronic element mounting area and the frequency conversion module arranged at the connecting position of the radiator and the electric control box are sealed by covering the printed board, so that the electronic element and the frequency conversion module are completely isolated from the gas with higher humidity, and the reliable operation of the air conditioner is ensured.

Alternatively, the electronic component mounting area is connected to the heat sink through a heat conductive sheet. By adopting the embodiment, the heat emitted in the electronic component mounting area is better transferred to one end of the radiator, so that the radiating efficiency is improved.

Optionally, a radiator fixing end is arranged on the electric control box, and the electric control box is connected with the radiator through the radiator fixing end. By adopting the embodiment, the radiator is connected with the electric control box through the fixed end of the radiator, so that the radiator can be replaced, and good heat transfer efficiency between the electric control box and the radiator is ensured.

Optionally, the fixed end of the heat sink is an open slot structure, and the heat sink penetrates through the open slot structure to be communicated with the inside of the electric control box. By adopting the embodiment, the radiator is directly inserted into the electric control box and can be directly contacted with the heat inside the electric control box, so that the heat of the electric control box is conducted out by the radiator better.

Optionally, the heat sink comprises a base and fins, the fins being immersed in the water bath, the base being connected to the electrical control box. By adopting the embodiment, the fins are utilized to increase the area of the radiator and increase the radiating efficiency of the radiator.

Optionally, the base is attached to the electric control box, and a sealing gasket is arranged between the periphery of the base and the fixed end of the electric control box. By adopting the embodiment, the sealing performance of the connection between the base of the radiator and the electric control box is ensured, the sealing performance of electric control parts such as a frequency conversion module, an electronic element and the like arranged in the electric control box can be ensured, the electric control parts are completely isolated from gas with higher humidity, and the reliable operation of the air conditioner is ensured.

Optionally, the fins are oriented in line with the direction of the airflow. With the alternative embodiment, the wind resistance is reduced, so that the airflow passing through the fins can smoothly circulate and take away the heat on the fins.

Optionally, the printed board has the same size as the electronic control box, the electronic component mounting area inside the electronic control box and the connecting position of the radiator and the electronic control box are completely covered, and the printed board is coated with a waterproof coating. By adopting the embodiment, the electronic element arranged in the electronic element mounting area and the frequency conversion module arranged in the connection position covering area of the radiator and the electric control box are completely sealed by the printed board, and the frequency conversion module has better waterproofness, so that the frequency conversion module is completely isolated from gas with higher humidity, and the reliable operation of the air conditioner is ensured.

Optionally, the outdoor unit further comprises a water pipe, one end of the water pipe penetrates through the shell of the outdoor unit and is fixed on the shell of the outdoor unit, the penetrating part of the water pipe is connected with air conditioner condensate water, and the other end of the water pipe is communicated with the water inlet. Adopt this embodiment, utilize the water pipe can be better and insert the water source to utilize the comdenstion water that air conditioner self operation produced as the water source, utilize the lower characteristic of comdenstion water self temperature, better to the air current through supplementary heat abstractor cool down.

Optionally, one end of the water pipe penetrating through the outdoor unit is provided with a thread and a positioning ring, the thread is provided with a fixing nut, and the positioning ring and the fixing nut clamp the casing wall of the outdoor unit therebetween. By adopting the embodiment, the water pipe can be better fixed on the outdoor unit shell, and the installation and the disassembly are convenient.

By adopting the optional embodiment, condensed water or other cold water generated by the air conditioner is introduced into the water tank, one end of the radiator is immersed in the condensed water or other cold water, the radiator conducts heat generated in the electric control box out and guides the temperature into water, so as to achieve the purpose of cooling, on the other hand, when the outdoor unit works, the fan cavity generates negative pressure, air flow in the compressor cavity enters through the second air inlet, passes through the inside of the electric control box, cools the heat generated by the electric control box for the first time, then flows into the first air inlet through the second air outlet, enters into the water tank, directly blows the radiator to cool the radiator, blows moisture in the water tank to accelerate evaporation of moisture, absorbs partial heat by evaporation, further cools the radiator, namely, cools the heat generated by the electric control box for the second time, so as to greatly increase the heat dissipation capacity, improving the cooling effect.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the invention, as claimed.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.

FIG. 1 is a schematic diagram illustrating an alternative embodiment of an air conditioner according to an exemplary embodiment;

FIG. 2 is a schematic diagram illustrating an alternative embodiment of a sink for an air conditioner in accordance with an exemplary embodiment;

FIG. 3 is a schematic diagram illustrating an alternative embodiment of an electrical control box of an air conditioner in accordance with an exemplary embodiment;

FIG. 4 is a schematic diagram illustrating an alternative embodiment of an air conditioner electrical control box coupled to a sink in accordance with an exemplary embodiment;

FIG. 5 is a schematic diagram illustrating an alternative embodiment of an air conditioner electrical control box coupled to a heat sink in accordance with an exemplary embodiment;

FIG. 6 is a schematic diagram illustrating an alternative embodiment of a radiator of an air conditioner in accordance with an exemplary embodiment;

FIG. 7 is a schematic diagram illustrating an alternative embodiment of a water tube of an air conditioner according to an exemplary embodiment;

fig. 8 is a schematic structural view illustrating an alternative embodiment of a water pipe connection structure of an air conditioner according to an exemplary embodiment.

Detailed Description

The following description and the drawings sufficiently illustrate specific embodiments of the invention to enable those skilled in the art to practice them. Other embodiments may incorporate structural, logical, electrical, process, and other changes. The examples merely typify possible variations. Individual components and functions are optional unless explicitly required, and the sequence of operations may vary. Portions and features of some embodiments may be included in or substituted for those of others. The scope of embodiments of the invention encompasses the full ambit of the claims, as well as all available equivalents of the claims. Embodiments may be referred to herein, individually or collectively, by the term "invention" merely for convenience and without intending to voluntarily limit the scope of this application to any single invention or inventive concept if more than one is in fact disclosed. Herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, or apparatus. Without further limitation, by statement

The recitation of "comprising an … …" does not exclude the presence of additional identical elements in the process, method, or apparatus that comprises the elements. The embodiments are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. As for the methods, products and the like disclosed by the embodiments, the description is simple because the methods correspond to the method parts disclosed by the embodiments, and the related parts can be referred to the method parts for description.

The terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" herein "

The positional or positional relationships indicated are based on those shown in the drawings and are for convenience of description and simplicity of description only, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention.

In the description herein, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may include, for example, mechanical or electrical connections, communications between two elements, direct connections, and indirect connections via intermediary media, where the specific meaning of the terms is understood by those skilled in the art as appropriate.

Fig. 1 and 2 show an alternative embodiment of the air conditioner.

In this optional embodiment, an air conditioner includes an outdoor unit 100, a baffle 200, an electric control box 300 having a frequency conversion module therein, a water tank 400, and a heat sink 310 disposed in the water tank 400; the water tank 400 is fixedly connected to the lower side of the electric control box 300, a first air inlet 401 is arranged on one side of the water tank 400, a first air outlet 402 is arranged on the other side of the water tank 400, and a water inlet 403 is also arranged on the water tank 400; the heat sink 310 is connected with the electronic control box 300; the baffle 200 divides the outdoor unit 100 into two parts, i.e., a compressor chamber 101 and a fan chamber 102, and the first air inlet 401 is communicated with one side of the compressor chamber 101 and the first air outlet 402 is communicated with one side of the fan chamber 102.

Adopt this optional embodiment, let in the comdenstion water or other cold water that air conditioner self produced in to basin 400 through water inlet 403, with radiator 310 one end submergence in comdenstion water or other cold water, radiator 310 conducts the heat that produces in with automatically controlled box 300 and comes out and with the leading-in aquatic of temperature, reach the purpose of cooling, on the other hand is at off-premises station 100 working process, fan chamber 102 produces the negative pressure, drive the air current and get into from basin 400's first air intake 401, cool down radiator 310 in the basin 400, and the air current can accelerate the evaporation of moisture, utilize the evaporation heat absorption further to cool down, and then through the purpose that reaches high-efficient cooling.

Optionally, the water tank 400 is fixedly connected to the lower side of the electric control box 300, and the water tank 400 is directly fixed to the lower side of the electric control box 300 through various fixing connection modes such as screw fixation, sealant fixation and welding, or the water tank 400 and the electric control box 300 are directly of an integrally formed structure. With this embodiment, the stability of the fixation between the water tank 400 and the electronic control box 300 can be ensured.

Optionally, the first outlet 402 may function as a spillway. With this embodiment, when the water tank 400 is full of water, the excess water can flow out from the first outlet 402, i.e. the overflow.

Fig. 3, 4, 5 and 6 show an alternative structure of the electric control box and the radiator of the air conditioner.

In this alternative embodiment, one end of the electronic control box 300 is provided with a second air inlet 301, the other end of the electronic control box 300 is provided with a second air outlet 302, the second air outlet 302 is communicated with the first air inlet 401, and the second air inlet 301 is communicated with one side of the compressor cavity 101. By adopting the embodiment, the first air inlet 401 of the water tank 400 is communicated with the second air outlet 302 of the electronic control box 300, which is equivalent to that the first air inlet 401 is connected with the compressor cavity 101 through the inner space of the electronic control box 300, when the outdoor unit 100 works, the fan cavity 102 generates negative pressure, the air flow in the compressor cavity 101 can enter through the second air inlet 301, and passes through the interior of the electronic control box 300 to cool down the heat generated by the electronic control box 300 for the first time, and then flows into the first air inlet 401 through the second air outlet 302, and enters the water tank 400 to cool down the radiator 310, that is, the heat generated by the electronic control box 300 is cooled down for the second time, thereby further increasing the cooling effect.

Optionally, an electronic component mounting area 303 is disposed on a side of the inside of the electronic control box 300 close to the second air inlet 301, a side of the inside of the electronic control box 300 close to the second air outlet 301 is connected to the heat sink 310, and the frequency conversion module in the electronic control box 300 is mounted at a position where the heat sink 310 is connected to the electronic control box 300. By adopting the embodiment, because the heat productivity of the frequency conversion module is large, the heat productivity of the electronic element installation area 303 is small, the electronic element installation area 303 is cooled firstly after the airflow passes through the second air inlet 301, and then the frequency conversion module is cooled, so that the heat emitted by the frequency conversion module is prevented from influencing the electronic element installation area 303, and the stable operation of the electronic element is ensured.

Optionally, a printed board 305 is provided inside the electronic control box 300, and the printed board 305 covers the electronic component mounting region 303, and the connection position of the heat sink 310 and the electronic control box 300. With this embodiment, the electronic component mounted on the electronic component mounting area 303 and the heat sink are covered with the printed board 305

310 is sealed with the frequency conversion module installed at the connection position of the electric control box 300, so that the frequency conversion module is completely isolated from the gas with higher humidity, and the reliable operation of the air conditioner is ensured.

Alternatively, the printed board 305 has the same size as the inside of the electronic control box 300, the electronic component mounting area 303 inside the electronic control box 300, and the connection position of the heat sink 310 and the electronic control box 300 are completely covered, and the printed board 305 is coated with a waterproof coating. With this embodiment, by printing the board

305 completely seals the electronic components installed in the electronic component installation area 330 and the frequency conversion module installed at the connection position of the radiator 310 and the electronic control box 300, and has better waterproof performance, so that the frequency conversion module is completely isolated from the gas with higher humidity, and the reliable operation of the air conditioner is ensured.

Optionally, the electronic components mounted in the electronic component mounting area 303 and the inverter module mounted at the connecting portion of the heat sink 310 and the electronic control box 300 are connected to the printed board 305, and the printed board 305 serves as a circuit for the electronic components and the inverter module.

Alternatively, the electronic component mounting region 303 is connected to the heat sink 310 through a heat conductive sheet. With this embodiment, the heat emitted in the electronic component mounting region 303 is better transferred to one end of the heat sink 310, thereby improving the heat dissipation efficiency. The heat-conducting fin is respectively and tightly connected with the electronic element arranged in the electronic element mounting area 303 and the radiator 310 through sealant, so that the heat-conducting efficiency is effectively improved.

Optionally, a heat sink fixing end 304 is disposed on the electronic control box 300, and the electronic control box 300 is connected to the heat sink 310 through the heat sink fixing end 304. With this embodiment, the heat sink 310 is connected to the electronic control box 300 through the heat sink fixing end 304, so that the heat sink 310 can be replaced, and good heat transfer efficiency between the electronic control box 300 and the heat sink 310 is ensured.

Optionally, the heat sink fixing end 304 is an open slot structure, and the heat sink 310 passes through the open slot structure to communicate with the inside of the electrical control box 300. With this embodiment, the heat sink 310 is directly inserted into the electronic control box 300, and can directly contact with the heat inside the electronic control box 300, so as to better utilize the heat sink 310 to conduct the heat of the electronic control box 300.

Optionally, the base 311 of the heat sink 310 is larger than the open slot of the fixed end 304 of the heat sink, and the heat sink passes through the open slot from the inside of the electrical control box 300, so that the base 311 covers the open slot of the fixed end 304 of the heat sink.

Optionally, the heat sink 310 includes a base 311 and a rib 312, the rib 311 being submerged in the water tank 400, the base 311 being connected to the electronic control box 300. With this embodiment, the fins 312 increase the area of the heat sink 310, increasing the heat dissipation efficiency of the heat sink 310.

Optionally, the base 311 is attached to the electrical control box 300, and a sealing gasket is disposed between the periphery of the base 311 and the fixed end of the electrical control box 300. By adopting the embodiment, the tightness of the connection between the base 311 of the heat sink 310 and the electronic control box 300 is ensured, and the connection between the heat sink 310 and the electronic control box 300 can be ensured to be more compact, so that the heat conduction effect between the heat sink 310 and the electronic control box 300 is improved.

Optionally, the fins 312 are oriented in a direction that is consistent with the direction of airflow. With this alternative embodiment, the wind resistance is reduced, allowing smooth flow of air across the rib 312, and removing heat from the rib 312. Drawing (A)

Fig. 7 and 8 show an alternative embodiment of the water pipe of the air conditioner.

In this alternative embodiment, the air conditioner further includes a water pipe 103, one end of the water pipe 103 penetrates through the casing of the outdoor unit 100 and is fixed on the casing of the outdoor unit 100, the penetrating part is connected to the condensed water of the air conditioner, and the other end of the water pipe 103 is communicated with the water inlet 403. Adopt this embodiment, utilize water pipe 103 can be better and insert the water source to utilize the comdenstion water that air conditioner self operation produced as the water source, utilize the lower characteristic of comdenstion water self temperature, better cool down the air current through supplementary heat abstractor 400.

Alternatively, the end of the water pipe 103 penetrating through the outdoor unit 100 is provided with a screw 106 and a fixing ring 107, the screw 106 is provided with a fixing nut 108, and the casing wall of the outdoor unit 100 is clamped between the fixing ring 107 and the fixing nut 108. With this embodiment, the water pipe 103 can be better fixed to the outdoor unit 100 casing, and is easy to install and remove.

The present invention is not limited to the procedures and structures that have been described above and shown in the drawings, and various modifications and changes may be made without departing from the scope thereof. The scope of the invention is limited only by the appended claims.

Claims

1. An air conditioner comprises an outdoor unit, a sound insulation board and an electric control box, wherein a frequency conversion module is arranged in the electric control box; the water tank is fixedly connected to the lower side of the electric control box, a first air inlet is formed in one side of the water tank, a first air outlet is formed in the other side of the water tank, a water inlet is further formed in the water tank, a second air inlet is formed in one end of the electric control box, and a second air outlet is formed in the other end of the electric control box; the radiator is connected with the electric control box; the sound insulation board divides the outdoor unit into a compressor cavity and a fan cavity, the first air inlet is communicated with the second air outlet, the second air inlet is communicated with one side of the compressor cavity, and the first air outlet is communicated with one side of the fan cavity.

2. The air conditioner as claimed in claim 1, wherein an electronic component mounting area is provided at a side of the interior of the electrical control box adjacent to the second air inlet, the side of the interior of the electrical control box adjacent to the second air outlet is connected to the heat sink, and the frequency conversion module in the electrical control box is mounted at a position where the heat sink is connected to the electrical control box.

3. The air conditioner according to claim 2, wherein a printed board is provided inside the electric control box, the printed board covering the electric component mounting area, and a connection position of the heat sink and the electric control box.

4. The air conditioner according to claim 2, wherein said electronic component mounting area is connected to said heat sink through a heat conductive sheet.

5. The air conditioner as claimed in claim 1, wherein a radiator fixing end is provided on the electric control box, and the electric control box is connected with the radiator through the radiator fixing end.

6. The air conditioner as claimed in claim 5, wherein the fixing end of the heat sink is an open slot structure, and the heat sink is communicated with the inside of the electric control box through the open slot structure.

7. The air conditioner according to any one of claims 1 to 6, wherein said heat sink includes a base and a rib, said rib being immersed in said water tank, said base being connected to said electrical control box.

8. The air conditioner according to claim 7, wherein said base is attached to said electric control box, and a sealing gasket is provided around said base and between said base and a fixed end of said electric control box.

9. An air conditioner according to claim 7 wherein said fins are oriented in a direction which is aligned with the direction of air flow.