Fan system, air conditioner outdoor unit and heat exchange method of air conditioner outdoor unit

A technology of fan system and air conditioner external unit, applied in heating mode, air conditioner system, machine/engine, etc., can solve the problems of reducing heat exchange effect of heat exchanger, weakening heat exchange effect of heat exchanger, attenuation of air volume, etc. The effect of improving working ability and working efficiency, improving working ability and working efficiency, and enhancing the ability of resistance

Inactive Publication Date: 2016-05-04
GREE ELECTRIC APPLIANCES INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When the air conditioner outdoor unit is used in a building, it will encounter some extremely harsh environments, such as a relatively small space, a relatively closed periphery, resulting in large air circulation resistance, etc.; and after a period of use, some long-term running In some cases, for example, there is a lot of dust or frost on the heat exchanger, which hinders air circulation
All of these have led to an increase in the resistance of the network management system for the operation of the fan. According to the characteristic curve of the fan, the air volume provided by the fan will be greatly attenuated at this time, thereby weakening the heat exchange effect of the heat exchanger.
[0004] To sum up, the inventor of the present invention believes that the above-mentioned existing air-conditioning external unit and the fan system on it have at least the following problems: when the air-conditioning external unit is used for a period of time or in a harsh environment, the fan system on it The air volume provided will be greatly attenuated, thereby reducing the heat transfer effect of the heat exchanger

Method used

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  • Fan system, air conditioner outdoor unit and heat exchange method of air conditioner outdoor unit
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  • Fan system, air conditioner outdoor unit and heat exchange method of air conditioner outdoor unit

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Embodiment 1

[0053] Such as image 3 As shown, this embodiment provides a fan system, and the fan system is applied to an external unit of an air conditioner. Specifically, the fan system in this embodiment includes at least two fan blades (such as image 3 The blower fan system of the shown air conditioner external unit comprises two fan blades, i.e. fan blade 24 and fan blade 25) and motor 23. Wherein, each blade includes multiple blades. The motor 23 is connected with the fan blades for driving the fan blades to rotate. Wherein, when the fan system is used on the external unit of the air conditioner, it performs work on the airflow at least twice to realize heat exchange between the external airflow and the heat exchanger in the external unit of the air conditioner.

[0054] Compared with the fan system applied to the external unit of the air conditioner in the prior art, the fan system in this embodiment includes at least two fan blades, which perform work on the air flow at least t...

Embodiment 2

[0056] Such as image 3 , Figure 4 and Figure 5 As shown, preferably, this embodiment provides a fan system. Compared with Embodiment 1, there are two fan blades in the fan system in this embodiment, namely the first fan blade 24 and the second fan blade 25 . Moreover, when the fan system is working, the rotation directions of the first fan blade 24 and the second fan blade 25 are opposite.

[0057] In the blower system of this embodiment, two first fan blades 24 and second fan blades 25 with opposite rotation directions are arranged so that the first fan blades 24 and the second fan blades 25 assist each other, that is, one of them is an upstream fan blade, The other is the downstream fan blade, while the upstream fan blade is the front guide vane of the downstream fan blade, and the downstream fan blade is the rear guide vane of the upstream fan blade, so as to realize the double-stage work done by the fan system on the air flow.

[0058] In this embodiment, the structu...

Embodiment 3

[0062] Such as image 3 As shown, this embodiment provides a fan system. Compared with Embodiment 2, one end of the motor 23 in the fan system of this embodiment is provided with a drive shaft. Wherein, both the first fan blade 24 and the second fan blade 25 are installed on the drive shaft, and the first fan blade 24 is located between the motor 23 and the second fan blade 25 .

[0063] In this embodiment, the first blade 24 and the second blade 25 rotate in opposite directions.

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Abstract

The invention relates to a fan system, an air conditioner outdoor unit and a heat exchange method of the air conditioner outdoor unit, and belongs to the technical field of air conditioners. According to the mainly adopted technical scheme, the fan system comprises at least two fan blades and a motor, wherein each fan blade comprises a plurality of blade bodies. The motor is connected with the fan blades and used for driving the fan blades to rotate. The fan system is applied to the air conditioner outdoor unit and used for carrying out acting on airflow at least two times, so that heat exchange between external airflow and a heat exchanger in the air conditioner outdoor unit is carried out. The air conditioner outdoor unit comprises the fan system. According to the heat exchange method of the air conditioner outdoor unit, the fan system is adopted, so that heat exchange between the external airflow and the heat exchanger in the air conditioner outdoor unit is carried out. The fan system, the air conditioner outdoor unit and the heat exchange method of the air conditioner outdoor unit are mainly used for improving the acting ability and efficiency of the fan system on the airflow and ensuring the recirculation air volume generated by the fan system, so that the heat exchange effect of the heat exchanger of the air conditioner outdoor unit is improved.

Description

technical field [0001] The invention relates to the technical field of air conditioning, in particular to a fan system, an air conditioner external unit and a heat exchange method for the air conditioner external unit. Background technique [0002] The existing air conditioner external unit is mainly composed of a refrigeration system, a fan system, and a control system. Among them, such as figure 1 As shown, the refrigeration system mainly includes a compressor 15 , a heat exchanger 14 and copper pipes for connecting the compressor 15 and the heat exchanger 14 . The fan system mainly includes a set of fans, the air outlet grille 13 and the air duct formed by the outer casing of the air conditioner; wherein, a set of fans of the existing fan system mainly includes a fan blade 12 and a motor 11, that is, a single-stage fan blade acting. Among them, the motor 11 drives the fan blade 12 to rotate clockwise or counterclockwise around the motor 11 axis; the blades of the fan b...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F04D25/08F04D29/32F24F1/06F24F1/16
CPCF04D25/082F04D29/327F24F1/06F24F1/16
Inventor 刘中杰龙斌华曹雷张苏北曹锋
Owner GREE ELECTRIC APPLIANCES INC
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