CN216814402U - Air conditioner - Google Patents
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- CN216814402U CN216814402U CN202220030077.3U CN202220030077U CN216814402U CN 216814402 U CN216814402 U CN 216814402U CN 202220030077 U CN202220030077 U CN 202220030077U CN 216814402 U CN216814402 U CN 216814402U
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Abstract
本实用新型提供一种空调器，提高对电器盒的散热效果，进而提高内部电器件的使用可靠性和空调器的运行可靠性。所述空调器包括室外机，所述室外机内设有压缩机、室外换热器、室外风机和电器盒，电器盒上设有进风口、出风口和引风风道；引风风道位于电器盒外部，包括风道进风口和风道出风口，风道出风口与进风口连通。通过在电器盒外部设置引风风道，起到导风作用，室外风机工作时，通过引风风道能够较为方便地在相对有限的室外机壳体空间中向电器盒内引入未经换热器换热的风，此部分风温度相对较低，从而可以提高对电器盒内的电器件的散热效果，满足对电器件快速散热的要求，进而提高电器件的使用可靠性和空调器的运行可靠性。
The utility model provides an air conditioner, which improves the heat dissipation effect on an electrical box, thereby improving the use reliability of internal electrical components and the operation reliability of the air conditioner. The air conditioner includes an outdoor unit, and the outdoor unit is provided with a compressor, an outdoor heat exchanger, an outdoor fan and an electrical box, and the electrical box is provided with an air inlet, an air outlet and an air duct; The outside of the electrical box includes an air duct air inlet and an air duct air outlet, and the air duct air outlet is communicated with the air inlet. By setting an air duct outside the electrical box to guide the wind, when the outdoor fan is working, the air duct can easily introduce unheated heat into the electrical box in the relatively limited housing space of the outdoor unit through the air duct. This part of the air has a relatively low temperature, which can improve the heat dissipation effect of the electrical components in the electrical box, meet the requirements for rapid heat dissipation of the electrical components, and thus improve the reliability of the electrical components and the operation of the air conditioner. reliability.
Description
Technical Field
The utility model relates to the technical field of air conditioners, in particular to the structural improvement of an outdoor unit.
Background
At present, the air conditioner is used more and more widely, and the requirement on the installation position of the outdoor unit of the air conditioner is smaller and smaller. In order to meet market demands, many air conditioner manufacturers make articles on the size of the outdoor unit, and air conditioners with small frame bodies and large capacity are also a trend, and meanwhile, the articles are also taken as means for showing the design level and occupying the market by all the manufacturers.
Under the condition that the small frame body is large in number, the power and the running current of the unit are increased, the heating of the electric device is increased, the service life of the electric device is greatly influenced, and the temperature rise of the electric box becomes a new difficulty; meanwhile, the upper limit of the temperature of the operation range required by the unit is higher and higher, the influence of the air temperature on the temperature rise in the electric appliance box is larger and larger, and the operation condition is worse and worse. Therefore, when the air conditioner operates, the heat of electric devices (a driving plate, a main control plate, an IGBT, an IPM, a rectifier bridge, a diode and the like) in the electric box needs to be radiated.
The traditional heat dissipation mode of the electrical box is air-cooled heat dissipation, namely, air passing through a heat exchanger is guided to an air-cooled radiator to dissipate heat of electrical devices in the electrical box; however, when the ambient temperature is high, the temperature of the air passing through the heat exchanger is high, and the heat of the electrical box cannot be well dissipated, so that the internal electrical devices are too high in temperature, and are shut down or even burnt out.
In view of this, how to design an outdoor unit, the utility model aims to achieve effective heat dissipation of an electrical box to improve the operation reliability of the outdoor unit.
SUMMERY OF THE UTILITY MODEL
The utility model provides an air conditioner, which improves the heat dissipation effect on an electric appliance box, and further improves the use reliability of internal electric appliances and the operation reliability of the air conditioner.
In some embodiments of the present application, the air conditioner includes an outdoor unit, a compressor, an outdoor heat exchanger, an outdoor fan and an electrical box are disposed in the outdoor unit, an electrical device is disposed in the electrical box, and an air inlet, an air outlet and an induced air duct are disposed on the electrical box; the induced air duct is used for introducing air which is not subjected to heat exchange of the outdoor heat exchanger into the electric appliance box, is positioned outside the electric appliance box and comprises an air duct air inlet and an air duct air outlet, and the air duct air outlet is communicated with the air inlet.
Through set up the induced air wind channel in the electrical apparatus box outside, outwards extended a part with the electrical apparatus box in other words, outdoor fan during operation, can be comparatively conveniently introduce the wind that does not the heat exchanger heat transfer in the relatively limited off-premises station casing space through the induced air wind channel in to the electrical apparatus box, this partial wind temperature is relatively lower to can improve the radiating effect to the electrical part in the electrical apparatus box, satisfy the quick radiating requirement of electrical part, and then improve the operational reliability of the use reliability of electrical part and air conditioner.
In some embodiments of this application, induced air wind channel is including the air inlet section and the air-out section that communicate each other, be an contained angle between air inlet section and the air-out section, the wind channel air intake is established the head end of air inlet section, the wind channel air outlet is established the end of air-out section.
In some embodiments of the present application, the duct inlet faces away from the outdoor heat exchanger.
In some embodiments of this application, induced air wind channel is including the air inlet section and the air-out section of intercommunication each other, be an contained angle between air inlet section and the air-out section.
In some embodiments of the present application, a grille is formed in the air inlet of the air duct.
In some embodiments of the present application, a plurality of first clamping portions are disposed on the periphery of the air inlet, a plurality of second clamping portions are correspondingly disposed on the periphery of the air outlet of the air duct, and the first clamping portions and the second clamping portions cooperate to clamp the induced air duct on the electrical box.
In some embodiments of the present application, the air inlet and the air outlet are located on a set of opposite sides of the electrical box.
In some embodiments of the present application, the outdoor heat exchanger is a U-shaped heat exchanger, and includes a left side portion corresponding to a left side plate of the outdoor unit casing, a rear side portion corresponding to a rear back plate of the outdoor unit casing, and a right side portion corresponding to a right side plate of the outdoor unit casing, the compressor, the outdoor fan, and the electrical box are all located in an installation cavity enclosed by front side plates of the outdoor heat exchanger and the outdoor unit casing, and the air inlet of the air duct is located in front of the left side portion or the right side portion.
The electric appliance box is positioned at the top of the outdoor unit and on the right side above the outdoor fan, the air outlet is positioned on the left side plate of the electric appliance box, and the air inlet and the air inducing duct are positioned on the right side plate of the electric appliance box.
In some embodiments of the present application, the air inlet and the air guiding duct are located at a front end of a right side plate of the electrical box, and an additional air inlet is formed on a front side plate of the electrical box.
In some embodiments of the present application, the top surface of the electrical box is open and is provided with a box cover, and the box cover is buckled with the electrical box and has a gap therebetween.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of an air conditioner according to an embodiment;
FIG. 2 is an assembly schematic diagram of an appliance box and an induced air duct of an air conditioner according to an embodiment;
FIG. 3 is an exploded view of FIG. 2;
fig. 4 is a perspective view of an induced air duct of an air conditioner according to an embodiment.
Reference numerals:
10-a housing; 20-a compressor; 30-an outdoor heat exchanger; 31-left lateral part; 32-posterior lateral section; 33-right side; 40-outdoor fan; 50-an electrical box; 51-an air inlet; 52-air outlet; 53-additional air inlet; 60-an electrical device; 70-an induced draft duct; 71-air duct air inlet; 72-air duct air outlet; 73-air intake section; 74-air outlet section; 75-a grid; 76-a second snap-in portion; 80-mounting chamber.
Detailed Description
The technical scheme of the utility model is clearly and completely described in the following with reference to the accompanying drawings. In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The present embodiment provides an air conditioner that performs a cooling and heating cycle of the air conditioner by using a compressor, a condenser, an expansion valve, and an evaporator. The cooling and heating cycle includes a series of processes involving compression, condensation, expansion, and evaporation to cool or heat an indoor space.
The low-temperature and low-pressure refrigerant enters the compressor, the compressor compresses the refrigerant gas in a high-temperature and high-pressure state, and the compressed refrigerant gas is discharged. The discharged refrigerant gas flows into the condenser. The condenser condenses the compressed refrigerant into a liquid phase, and heat is released to the surrounding environment through the condensation process.
The expansion valve expands the high-temperature and high-pressure liquid-phase refrigerant condensed in the condenser into a low-pressure liquid-phase refrigerant. The evaporator evaporates the refrigerant expanded in the expansion valve and returns the refrigerant gas in a low-temperature and low-pressure state to the compressor. The evaporator can achieve a refrigerating effect by heat exchange with a material to be cooled using latent heat of evaporation of a refrigerant. The air conditioner can adjust the temperature of the indoor space throughout the cycle.
The outdoor unit of the air conditioner refers to a portion of a refrigeration cycle including a compressor, an outdoor heat exchanger, and an outdoor fan, the indoor unit of the air conditioner includes a portion of an indoor heat exchanger and an indoor fan, and a throttling device (e.g., a capillary tube or an electronic expansion valve) may be provided in the indoor unit or the outdoor unit.
The indoor heat exchanger and the outdoor heat exchanger serve as a condenser or an evaporator. The air conditioner performs a heating mode when the indoor heat exchanger serves as a condenser, and performs a cooling mode when the indoor heat exchanger serves as an evaporator.
The indoor heat exchanger and the outdoor heat exchanger are switched to be used as a condenser or an evaporator, a four-way valve is generally adopted, and specific reference is made to the arrangement of a conventional air conditioner, which is not described herein any more.
The refrigeration working principle of the air conditioner is as follows: the compressor works to enable the interior of the indoor heat exchanger (in the indoor unit, the evaporator at the moment) to be in an ultralow pressure state, liquid refrigerant in the indoor heat exchanger is rapidly evaporated to absorb heat, air blown out by the indoor fan is cooled by the coil pipe of the indoor heat exchanger to become cold air which is blown into a room, the evaporated and vaporized refrigerant is compressed by the compressor, is condensed into liquid in a high-pressure environment in the outdoor heat exchanger (in the outdoor unit, the condenser at the moment) to release heat, and the heat is dissipated into the atmosphere through the outdoor fan, so that the refrigeration effect is achieved by circulation.
The heating working principle of the air conditioner is as follows: the gaseous refrigerant is pressurized by the compressor to become high-temperature and high-pressure gas, and the high-temperature and high-pressure gas enters the indoor heat exchanger (the condenser at the moment), is condensed, liquefied and released heat to become liquid, and simultaneously heats indoor air, so that the aim of increasing the indoor temperature is fulfilled. The liquid refrigerant is decompressed by the throttling device, enters the outdoor heat exchanger (an evaporator at the moment), is evaporated, gasified and absorbs heat to form gas, absorbs the heat of outdoor air (the outdoor air becomes cooler) to form gaseous refrigerant, and enters the compressor again to start the next cycle.
Referring to fig. 1 to 4, according to some embodiments of the present disclosure, an air conditioner includes an outdoor unit including a casing 10, and a compressor 20, an outdoor heat exchanger 30, an outdoor fan 40, and an electrical box 50 disposed in the casing 10, wherein an electrical device 60 is disposed in the electrical box 50, and an air inlet 51, an air outlet 52, and an air guide duct 70 are disposed on the electrical box 50.
The compressor 20 is used for compressing a refrigerant, the outdoor heat exchanger 30 is used for flowing and heat exchanging of the refrigerant, and the compressor 20 and the outdoor heat exchanger 30 are connected with an indoor heat exchanger in the indoor unit of the air conditioner to form a refrigerating loop for flowing of the refrigerant.
The outdoor fan 40 is used for driving air to flow and exchange heat with the outdoor heat exchanger 30; the electric devices 60 in the electric box 50 are generally a driving module and an electric control module for controlling the operation of the compressor 20 and the outdoor fan 30, and are disposed on the bottom plate of the electric box 50 in a flat manner.
The induced air duct 70 is used for introducing air which is not subjected to heat exchange by the outdoor heat exchanger 30 into the electrical box 50, the induced air duct 70 is located outside the electrical box 50 and comprises a duct air inlet 71 and a duct air outlet 72, and the duct air outlet 72 is communicated with the air inlet 51 on the electrical box 50.
Specifically, the induced air duct 70 is equivalent to extending a part of the electrical box 50 outward, and by reasonably setting the shape of the induced air duct 70, the induced air duct can conveniently extend to an area capable of avoiding the heat exchanger in a relatively limited space of the outdoor unit casing, so that when the outdoor fan 40 works, the induced air which is not subjected to heat exchange by the outdoor heat exchanger 30 is guided, enters the induced air duct 70 through the air duct air inlet 71, and then enters the electrical box 50 through the air duct air outlet 72 and the air inlet 51, so that the temperature of the part of the air introduced into the electrical box 50 is relatively low, and the heat dissipation effect of the electrical device 60 can be improved.
In order to enable the induced air duct 70 to smoothly introduce low-temperature air that does not pass through the outdoor heat exchanger 30 and reduce space occupation as much as possible, as shown in fig. 3 and 4, in some embodiments of the present application, the induced air duct 70 includes an air inlet section 73 and an air outlet section 74 that are communicated with each other, an air duct air inlet 71 is disposed at a head end of the air inlet section 73, an air duct air outlet 72 is disposed at a tail end of the air outlet section 74, that is, the air duct air inlet 71 is an air inlet of the air inlet section 73, and the air duct air outlet 72 is an air outlet of the air outlet section 74; in addition, an included angle is formed between the air inlet section 73 and the air outlet section 74, that is, the induced air duct 70 is bent, so that the induced air duct 70 extends to an area capable of avoiding the heat exchanger in a relatively limited space of the outdoor unit casing, so as to smoothly introduce low-temperature air that does not pass through the outdoor heat exchanger 30.
The air duct inlet 71 and the air inlet 51 are both far away from the outdoor heat exchanger 30, so that the heat dissipation air entering the air duct inlet is low-temperature air which does not pass through the outdoor heat exchanger 30.
The air inlet 71 of the induced air duct 70 is formed with a grid 75, which may be a strip grid or a mesh grid, to prevent insects from entering the electrical box 50 through the induced air duct 70, thereby avoiding the electrical device 60 from being burned out due to short circuit.
The air guiding duct 70 and the sheet metal shell of the electrical box 50 are fixed by a buckle, so that the air guiding duct is convenient to disassemble and assemble. Specifically, as shown in fig. 3 and 4, a plurality of first fastening portions (not shown) are disposed on the periphery of the air inlet 51, a plurality of second fastening portions 76 are correspondingly disposed on the periphery of the air duct outlet 71, and the first fastening portions and the second fastening portions 76 cooperate to fasten the air duct 70 to the sheet metal side plate of the electrical box 50. Wherein, first joint portion is the draw-in groove in this embodiment, and second joint portion 76 is the buckle, and induced air duct 70 can be the injection molding to second joint portion 76 injection moulding.
In some embodiments of the present application, as shown in fig. 3, the air inlet 51 and the air outlet 52 are located on a set of opposite side surfaces of the electrical box 50, so that the air inlet and the air outlet of the electrical box 50 are smooth, which is beneficial to increasing the wind speed and dissipating heat, in this embodiment, the electrical box 50 is rectangular, and the air inlet 51 and the air outlet 52 are located on two opposite side surfaces of the electrical box 50 that are far away from each other, so as to prolong the heat dissipation airflow circulation path and further improve the heat dissipation effect.
In some embodiments of the present application, the outdoor heat exchanger 30 is a U-shaped heat exchanger, and includes a left side portion 31 disposed corresponding to the left side plate of the casing 10, a rear side portion 32 disposed corresponding to the rear back plate of the casing 10, and a right side portion 33 disposed corresponding to the right side plate of the casing 10, the compressor 20, the outdoor fan 40, and the electrical box 50 are all located in the installation cavity 80 defined by the outdoor heat exchanger 30 and the front side plate of the casing 10, and the air inlet 71 is located at the front side of the left side portion or the right side portion.
Specifically, the outdoor heat exchanger 30 is a U-shaped heat exchanger, and each internal structural component and system pipeline of the outdoor unit are all arranged in the installation cavity 100, so that a middle partition plate can be omitted, the heat exchange area of the heat exchanger is increased, and the capacity is improved; meanwhile, the air duct inlet 71 is located at the front side of the left side portion 31 or the right side portion 33, so that non-heat exchange air can be introduced while avoiding the outdoor heat exchanger 30, air subjected to heat exchange by the outdoor heat exchanger 30 can be prevented from directly entering the electrical box 50 through the induced air duct 70, and the influence of the heat exchanger on the temperature rise of the electrical box is reduced, for example, the air duct inlet 71 of the induced air duct 70 can be specifically located at the front side of the right side portion 33 of the outdoor heat exchanger 30.
In some embodiments of the present application, for the electrical box 50, it is specifically located at the top of the casing 10 and above the outdoor fan 40, the air outlet 52 is located on the left side plate of the electrical box 50, and the air inlet 51 and the induced air duct 70 are located on the right side plate of the electrical box 50.
Further, as shown in fig. 3, the air inlet 51 and the induced air duct 70 are located at a front end of a right side plate of the electrical box 50, that is, near a front side plate of the electrical box 50, to be as far away from the outdoor heat exchanger as possible, to introduce the low-temperature heat-dissipating air that is not heat-exchanged by the outdoor heat exchanger 30; meanwhile, an additional air inlet 53 is formed on the front side plate of the electric appliance box 50. Therefore, when the outdoor fan 40 works, on one hand, air which is not subjected to heat exchange by the outdoor heat exchanger 30 enters the induced air duct 70 through the air duct air inlet 71 to dissipate heat of the electrical box 50; on the other hand, the additional air inlet 53 can introduce the heat dissipating air into the electrical box 50, and the heat dissipating air introduced from the air inducing duct 70 without heat exchange interacts with the heat dissipating air introduced from the additional air inlet 53, which is beneficial to increase the air speed entering the electrical box 50, thereby being beneficial to heat dissipation. The direction of the heat dissipation airflow at the electrical box 50 of the present embodiment is shown by the hollow arrow in fig. 1.
In addition, the top surface of the electrical box 50 is open and is provided with a box cover (not shown), the box cover is buckled and connected with the electrical box 50, and a gap is formed between the box cover and the electrical box 50, so that the air flow requirement and the rainproof and insect-proof requirements can be met; the box cover and the electrical box are connected in a buckling mode (for example, the matching of a buckle and a clamping groove) without being fixed by screws, and the disassembly is convenient.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. The utility model provides an air conditioner, includes the off-premises station, be equipped with compressor, outdoor heat exchanger, outdoor fan and electrical apparatus box in the off-premises station, be provided with electric part, its characterized in that in the electrical apparatus box:
the electric appliance box is provided with an air inlet, an air outlet and an induced air duct;
the induced air duct is used for introducing air which is not subjected to heat exchange of the outdoor heat exchanger into the electric appliance box, is positioned outside the electric appliance box and comprises an air duct air inlet and an air duct air outlet, and the air duct air outlet is communicated with the air inlet.
2. The air conditioner according to claim 1, wherein:
the induced air wind channel comprises an air inlet section and an air outlet section which are communicated with each other, an included angle is formed between the air inlet section and the air outlet section, the wind channel air inlet is arranged at the head end of the air inlet section, and the wind channel air outlet is arranged at the tail end of the air outlet section.
3. The air conditioner according to claim 1, wherein:
and the air inlet of the air duct deviates from the outdoor heat exchanger.
4. The air conditioner according to claim 1, wherein:
and a grid is formed in the air inlet of the air duct.
5. The air conditioner according to claim 1, wherein:
the air inlet is provided with a plurality of first clamping parts on the periphery, the air outlet of the air duct is correspondingly provided with a plurality of second clamping parts on the periphery, and the first clamping parts and the second clamping parts are matched to clamp and fix the induced air duct on the electrical box.
6. The air conditioner according to claim 1, wherein:
the air inlet and the air outlet are positioned on a group of opposite side surfaces of the electric appliance box.
7. The air conditioner according to any one of claims 1 to 6, wherein:
the outdoor heat exchanger is a U-shaped heat exchanger and comprises a left side part which is arranged corresponding to a left side plate of the outdoor machine shell, a rear side part which is arranged corresponding to a rear back plate of the outdoor machine shell and a right side part which is arranged corresponding to a right side plate of the outdoor machine shell, the compressor, the outdoor fan and the electric appliance box are all arranged in an installation cavity which is formed by the outdoor heat exchanger and a front side plate of the outdoor machine shell in an enclosing mode, and the air inlet of the air duct is arranged on the front side of the left side part or the right side part.
8. The air conditioner according to claim 7, wherein:
the electric appliance box is positioned at the top of the outdoor unit and on the right side above the outdoor fan, the air outlet is positioned on the left side plate of the electric appliance box, and the air inlet and the air inducing duct are positioned on the right side plate of the electric appliance box.
9. The air conditioner according to claim 8, wherein:
the air inlet and the air inducing duct are positioned at the front end of the right side plate of the electrical box, and an additional air inlet is formed in the front side plate of the electrical box.
10. The air conditioner according to claim 1, wherein:
the top surface of the electrical appliance box is open and is provided with a box cover, the box cover is buckled and connected with the electrical appliance box, and a gap is formed between the box cover and the electrical appliance box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220030077.3U CN216814402U (en) | 2022-01-07 | 2022-01-07 | Air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220030077.3U CN216814402U (en) | 2022-01-07 | 2022-01-07 | Air conditioner |
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| Publication Number | Publication Date |
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| CN216814402U true CN216814402U (en) | 2022-06-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202220030077.3U Active CN216814402U (en) | 2022-01-07 | 2022-01-07 | Air conditioner |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2025043874A1 (en) * | 2023-08-31 | 2025-03-06 | 广东美的制冷设备有限公司 | Air conditioner |
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2022
- 2022-01-07 CN CN202220030077.3U patent/CN216814402U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2025043874A1 (en) * | 2023-08-31 | 2025-03-06 | 广东美的制冷设备有限公司 | Air conditioner |
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