CN206207687U - A kind of induced draft structure of cabinet air-conditioner - Google Patents

Abstract

The utility model discloses an air induction structure of a cabinet type air conditioner, which belongs to the technical field of air conditioners. The cabinet type air conditioner includes a casing and a fan part arranged in the casing. The casing has an air inlet duct and an air outlet duct. The wind structure includes: an air induction channel, the air inlet end of the air induction channel is connected to the exhaust end of the fan part, and the air outlet end of the air induction channel is connected to the air outlet air channel of the casing; the axial flow fan is located on the Between the air outlet air duct of the air conditioner and the air outlet end of the induced air duct, the axial flow fan is an axial flow fan driven to rotate by the air flow, and the axial flow fan is arranged coaxially with the air outlet air duct. The axial flow fan arranged in the air duct of the utility model can be rotated under the drive of the air flow driven by the centrifugal fan. During the rotation process, the air flow can be guided to turn and transported to the air outlet, thereby reducing the easy occurrence of the turning part of the air duct. The problem with eddy currents.

Description

Air-inducing structure of a cabinet air conditioner

technical field

The utility model relates to the technical field of air conditioners, in particular to an air induction structure of a cabinet type air conditioner.

Background technique

The cabinet air conditioner is a kind of split air conditioner, which has the advantages of high power and strong wind, and is usually suitable for large-area living rooms; most of the existing cabinet air conditioners use centrifugal fans for circulating air, and the indoor air is supplied by The air inlet enters the centrifugal fan, then transports it to the heat exchanger for heat exchange, and finally recirculates to the indoor environment through the air outlet; during the air circulation process inside the cabinet air conditioner, most of the power of the air flow comes from the centrifugal fan , since the air inlet and outlet of the cabinet air conditioner are mostly arranged horizontally, while the air duct inside the air conditioner is arranged vertically, so when the air flow flows in the air duct of the cabinet air conditioner, the position near the air outlet will be forced to turn due to the air flow. Problems such as eddy currents may occur, affecting the flow of air in the cabinet air conditioner.

Utility model content

The embodiment of the utility model provides an air induction structure of a cabinet air conditioner. In order to provide a basic understanding of some aspects of the disclosed embodiments, a brief summary is presented below. This summary is not an overview, nor is it intended to identify key/critical elements or delineate the scope of these 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 one aspect of the embodiment of the present invention, an air induction structure of a cabinet air conditioner is provided. The cabinet air conditioner includes a casing and a fan part arranged in the casing. The casing has an air inlet duct and an air outlet duct. , the fan part includes an exhaust end and an air suction end connected with the air inlet duct of the air conditioner. The air outlet end of the duct is connected to the air outlet duct of the casing; the axial flow fan is located between the air outlet air duct of the air conditioner and the air outlet end of the air induction duct, and the axial flow fan is a shaft driven by the airflow to rotate. A flow fan, and the axial flow fan is arranged coaxially with the air outlet duct.

Further, the air outlet end of the air-introducing air channel faces the fan blade on one side of the axial flow fan, and the air outlet direction of the air outlet end of the air-introducing air channel is perpendicular to the axial direction of the axial flow fan, which is used to make the axial flow fan Rotate in the direction of the wind.

Further, the air outlet end of the induced air duct is located on the back side of the axial fan, and the air outlet direction of the air outlet end of the induced air duct is parallel to the axial direction of the axial fan.

Further, a mounting bracket is provided on the inner wall of the air outlet duct, and the axial flow fan is suspended in the air outlet duct through the installation bracket.

Further, a mounting bracket is provided on the inner wall of the air outlet end of the induced air duct, and the axial flow fan is suspended at the air outlet end through the installation bracket.

Further, the mounting bracket has a shock-absorbing component; the shock-absorbing component includes one or more of the following components: a shock-absorbing block, a shock-absorbing spring, and a shock-absorbing washer.

Further, the cross-sectional area of the air duct adjacent to the air outlet end of the induced air duct gradually shrinks.

Further, the outer port of the air outlet duct of the casing is provided with a filter screen or a grille.

Further, the air induction duct and the air outlet duct have an integral structure.

The technical solution provided by the embodiment of the utility model may include the following beneficial effects:

The axial flow fan arranged in the air duct of the utility model can be rotated under the drive of the air flow driven by the centrifugal fan. During the rotation process, the air flow can be guided to turn and transported to the air outlet, thereby reducing the easy occurrence of the turning part of the air duct. The problem of eddy current; the axial flow fan provided by the utility model is driven by the airflow of the air conditioner itself, without installing an additional driving device, which is energy-saving and environmentally friendly, and reduces production costs.

It should be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the present invention.

Description of drawings

The accompanying drawings, which are incorporated in the specification and constitute a part of the specification, illustrate embodiments consistent with the present utility model, and are used together with the specification to explain the principle of the utility model.

Fig. 1 is a schematic diagram showing the interior back side of a cabinet air conditioner according to an exemplary embodiment;

Fig. 2 is a schematic view of the right side of the interior of the cabinet air conditioner according to an exemplary embodiment;

Fig. 3 is a partial schematic view of part A in the embodiment of Fig. 2 .

detailed description

The following description and drawings illustrate specific embodiments of the invention sufficiently to enable those skilled in the art to practice them. The examples merely represent possible variations. Individual components and functions are optional unless explicitly required, and the order of operations may vary. Portions and features of some embodiments may be included in or substituted for those of other embodiments. The scope of embodiments of the present invention includes the full scope of the claims, and all available equivalents of the claims. Herein, various embodiments may be referred to by the term "utility model", individually or collectively, for convenience only, and if in fact more than one utility model is disclosed, it is not intended to automatically limit the scope of the application For any single utility model or utility model concept. In this document, relational terms such as first and second etc. are used only to distinguish one entity or operation from another without requiring or implying any actual relationship or relationship between these entities or operations. order. Furthermore, the term "comprises", "comprises" or any other variation thereof is intended to cover a non-exclusive inclusion such that a process, method or apparatus comprising a set of elements includes not only those elements but also other elements not expressly listed element. Various embodiments herein are described in a progressive manner, each embodiment focuses on the differences from other embodiments, and the same and similar parts of the various embodiments may be referred to each other. As for the structures, products, etc. disclosed in the embodiments, since they correspond to the parts disclosed in the embodiments, the description is relatively simple, and for relevant parts, please refer to the description of the method part.

As shown in Figures 1-3, the utility model provides an air induction structure of a cabinet-type air conditioner. The cabinet-type air conditioner includes a casing 1 and a fan part 4 located on the casing 1. The upper and lower parts of the casing 1 are respectively An air inlet and an air outlet are provided, and the fan unit 4 is arranged at the lower part of the casing 1 close to the air inlet. The air outlet duct 7, the blower unit 4 includes an air cavity with a built-in centrifugal fan, and the air cavity is provided with an exhaust end and an air suction end, wherein the air suction end communicates with the air inlet air duct 6 of the air conditioner, thereby passing through the centrifugal fan. The negative pressure suction generated by the rotation of the fan introduces the air from the air inlet duct 6 into the air chamber, and discharges the inhaled air to the exhaust end through centrifugal force, thereby providing driving force for the circulation of air inside the air conditioner; the above process , the air generally flows in the horizontal direction between the air inlet and the air inlet end of the air cavity, and after the centrifugal fan discharges the air to the exhaust end, the flow direction of the air is converted to a longitudinal flow, as in the embodiment. flow in a bottom-up direction.

The utility model adds an air induction structure between the air outlet and the centrifugal fan of the fan part 4, which is used to reduce the vortex caused by the change of the direction of the air duct when the air flow flows from the exhaust end of the fan part 4 to the air outlet. , turbulent flow and other issues, the air induction structure specifically includes:

Induction air duct 2, the air inlet end of the induction air duct 2 is connected to the exhaust end of the fan part 4, the air outlet end of the induction air duct 2 is connected to the air outlet duct 7 of the casing 1, the induction air duct 2 and the The air outlet duct 7 jointly constitutes the airflow flow path of the airflow between the fan part 4 and the air outlet. The airflow is diverted at the junction of the air induction duct 2 and the air outlet air duct 7, and its flow direction is changed from horizontal to vertical; The air duct 2 is formed by surrounding the baffle plate and the casing 1 .

The axial flow fan 3 is located between the air outlet duct 7 of the air conditioner and the air outlet end of the air induction duct 2, that is, the connecting part of the above air outlet air duct 7 and the induction air duct 2, the axial flow fan 3 is the axial flow fan 3 driven by the airflow, so that the air flow from the induced air duct 2 can be turned and guided during the rotation of the axial flow fan 3, so as to reduce the occurrence of problems such as eddy current and turbulent flow; the axial flow fan 3 It is arranged coaxially with the air outlet duct 7 so that the air outlet direction of the axial flow fan 3 is consistent with the extension direction of the air outlet duct 7 .

The working process of the utility model is: when the air conditioner is in standby mode, both the centrifugal fan and the axial fan 3 are in a static state, and there is no air circulation driven by the centrifugal fan in the air inlet duct 6, the air intake duct 2 and the air outlet duct 7 flow; when the air conditioner is turned on, the centrifugal fan starts to rotate, and the air in the air inlet duct 6 is transported to the drainage duct, and the air flow flowing to the outlet end of the drainage duct drives the axial flow fan 3 to start rotating. After reaching the stability, the flow rate of the air flow in the air flow channel is also stable, and then the axial flow fan 3 driven by the air flow also rotates at a fixed speed range. Due to the characteristics of the axial flow fan 3 itself, the rotation of its blades can affect The air on the peripheral side or the rear side is guided, and the airflow is blown out along the axial direction of the axial flow fan 3; therefore, after the axial flow fan 3 installed at the joint position of the air induction duct 2 and the air outlet duct 7 starts to rotate, When the air flows through the joint position of the air-introducing air duct 2 and the air outlet duct 7, the axial flow fan 3 can play a certain guiding role, so that the air flow can realize a smooth transition transition at the joint position, thereby reducing the air flow caused by the air duct. Forced steering may cause problems such as eddy current and turbulent flow at the corner of the steering part.

In one embodiment of the present utility model, the air outlet end of the induced air duct 2 is located at the lower part of the axial flow fan 3, and the air outlet end of the induced air duct 2 faces the fan blade on one side of the axial flow fan 3, and the air outlet The air outlet direction of the air outlet end of the air duct 2 is perpendicular to the axial direction of the axial fan 3, so that when the air flow flows to the air outlet end of the air duct 2, it can directly blow to the blades of the axial fan 3, To enable the axial flow fan 3 to start rotating quickly and reach a stable operating state, it should be noted that the direction of the air outlet corresponding to the axial flow fan 3 needs to be determined in advance according to the type of left-handed or right-handed axial flow fan 3, so that The axial flow fan 3 is capable of rotating in the wind outlet direction.

In another embodiment of the present utility model, the air outlet end of the air duct 2 is inverted L-shaped, and is located on the back side of the axial flow fan 3, and the flow direction of the airflow blown along the air outlet end is parallel to the axial flow fan. 3 in the axial direction, that is, the air flow is converted from longitudinal flow to lateral flow at the air outlet end of the air duct 2. In order to reduce the problems such as eddy current and turbulent flow that may occur at the corner of the air outlet end, the axial flow fan 3 It is arranged close to the corner of the inverted L shape, so that during the rotation of the axial fan 3 , the guided airflow can be turned in an approximately arc-shaped flow direction at the corner, and then the airflow is delivered to the air outlet duct 7 .

In one embodiment of the present utility model, the inner wall of the air outlet duct 7 is provided with a mounting bracket 8, specifically, the installation bracket 8 includes a support member connected with the inner wall of the air outlet duct 7, and a connection with the axial flow fan 3. The adapter piece connected by the rotating shaft, the adapter piece is fixed on the support piece, preferably, the support piece and the adapter piece are both made of high-strength materials, and can be designed as a rod-shaped shape that occupies less space, thereby reducing The blocking effect on the airflow in the air duct; the axial flow fan 3 is suspended and installed in the air outlet air duct 7 through the mounting bracket 8, and can realize stable rotation driven by the airflow with a relatively fast wind speed.

The inner wall of the air outlet end of the induced air duct 2 is provided with a mounting bracket 8, specifically, the mounting bracket 8 includes a support member connected to the inner wall of the induced air duct 2, and an adapter connected to the shaft of the axial flow fan 3, The adapter is fixed on the support. Preferably, both the support and the adapter are made of high-strength materials, and can be designed in a rod-like shape that occupies less space, thereby reducing the impact on the airflow in the air duct. ; The axial flow fan 3 is suspended and installed in the air duct 2 through the mounting bracket 8, and can be driven by the airflow with a relatively fast wind speed to achieve stable rotation.

Since the axial flow fan 3 will generate vibration during its own rotation, in order to reduce the transmission of vibration to the body of the cabinet air conditioner, the utility model is provided with a shock absorbing component on the mounting bracket 8. Specifically, the shock absorbing component includes one or more of the following components Several kinds: shock absorbing blocks, shock absorbing springs and shock absorbing washers.

In one embodiment of the present utility model, the cross-sectional area of the air duct near the air outlet end of the induced-air duct 2 gradually shrinks, and its cross-section is trumpet-shaped or tapered. The flow in the channel, thereby increasing the flow rate of the air flowing through the axial fan 3, and accelerating the axial fan 3 to reach a stable operating state.

Preferably, in order to reduce dust and other impurities in the indoor environment entering the cabinet air conditioner along the air outlet, causing problems such as dust collection and wear of the axial fan 3, the utility model is installed on the outer port of the air outlet duct 7 of the casing 1 With strainer or grill.

In order to facilitate the overall processing and molding of the internal air duct of the cabinet type air conditioner, the air intake duct 2 and the air outlet duct 7 of the utility model are designed as an integrated structure, and the inner wall of the air duct is provided with a mounting bracket 8 for fixing the axial flow fan 3 Mounting holes, brackets, etc.

It should be understood that the present invention is not limited to the processes and structures described above and shown in the accompanying drawings, and various modifications and changes can be made without departing from the scope thereof. The scope of the invention is limited only by the appended claims.

Claims (10)

1. An air induction structure of a cabinet-type air conditioner, the cabinet-type air conditioner comprises a casing (1) and a fan part (4) arranged in the casing (1), and the casing (1) has an air inlet Road (6) and air outlet air duct (7), the fan part (4) includes an exhaust end and an air suction end communicated with the air inlet air duct (6) of the air conditioner, it is characterized in that the air intake Wind structures include: An air duct (2), the air inlet end of the air duct (2) is connected to the exhaust end of the fan part (4), and the air outlet end of the air duct (2) is connected to the The air outlet duct (7) of the casing (1); An axial flow fan (3), the axial flow fan (3) is located between the air outlet air duct (7) of the air conditioner and the air outlet end of the air induction duct (2), the axial flow fan ( 3) is an axial flow fan (3) driven by airflow to rotate, and the axial flow fan (3) is arranged coaxially with the air outlet duct (7). 2. The air induction structure according to claim 1, characterized in that, the air outlet end of the air induction duct (2) faces the fan blade on one side of the axial flow fan (3), and the air induction The air outlet direction of the air outlet end of the air duct (2) is perpendicular to the axial direction of the axial flow fan (3), and is used to make the axial flow fan (3) rotate in the direction of wind outlet. 3. The air induction structure according to claim 1, characterized in that, the air outlet end of the air induction duct (2) is located on the back side of the axial flow fan (3), and the air induction duct The air outlet direction of the air outlet end of (2) is parallel to the axial direction of the axial flow fan (3). 4. The air induction structure according to claim 1, characterized in that a mounting bracket (8) is provided on the inner wall of the air outlet duct (7), and the axial flow fan (3) passes through the mounting bracket (8) Suspended and arranged in the air outlet duct (7). 5. The air induction structure according to claim 1, characterized in that, a mounting bracket (8) is provided on the inner wall of the air outlet end of the air induction duct (2), and the axial flow fan (3) passes through the The installation bracket (8) is suspended from the air outlet end. 6. The wind induction structure according to claim 4 or 5, characterized in that, the mounting bracket (8) has shock absorbing components. 7. The wind-inducing structure according to claim 6, wherein the shock-absorbing component comprises one or more of the following components: a shock-absorbing block, a shock-absorbing spring, and a shock-absorbing washer. 8. The air-inducing structure according to claim 1, characterized in that, the cross-sectional area of the air-inducing air duct (2) adjacent to the air outlet end gradually shrinks. 9. The air induction structure according to claim 1, characterized in that, a filter screen or a grill is provided on the outer port of the air outlet duct (7) of the casing (1). 10. The wind induction structure according to claim 1, characterized in that, the air induction duct (2) and the air outlet duct (7) are integrally structured.