CN216953471U - Wide-angle flow guide grid, heat exchanger with wide-angle flow guide grid and air conditioning system - Google Patents

Abstract

The utility model discloses a wide-angle flow guide grid, a heat exchanger with the wide-angle flow guide grid and an air conditioning system with the wide-angle flow guide grid. Wherein the wide angle guide grid includes: the guide vanes are arranged in concentric circles and are horn-shaped, and the guide vanes are used for being connected with the fixing rib plates of the guide vanes. According to the air-out characteristics of heating and refrigerating, the air-out mode can be adjusted so as to achieve the effects of balanced, soft and quick indoor refrigerating/heating; the cold air/hot air direct blowing human body is avoided, and good experience is brought to the user.

Description

Wide-angle flow guide grid, heat exchanger with wide-angle flow guide grid and air conditioning system

Technical Field

The utility model relates to refrigeration equipment, in particular to a rotatable wide-angle flow guide grating for controlling air outlet, a heat exchanger with the same and an air conditioning system with the same.

Background

At present, the air outlet mode of the central air conditioner in the market mainly adopts a top air outlet mode. That is, the air outlet is mainly arranged on the ceiling and discharges air downwards, and the cold air/hot air is guided to all directions by the air discharge guide vanes. The existing air guide device has certain wind sweeping dead angles for indoor space, so that the problem of uneven refrigerating/heating effect of the indoor space is easily caused. In addition, the air outlet mode direction of the indoor space is more single, the phenomenon that cold air/hot air is directly blown to a human body is easy to occur, the refrigerating/heating effect is hard and not soft, and bad experience is brought to users.

Therefore, how to overcome the defects of the traditional air conditioner evaporator that the air outlet of cold air/hot air is directly blown, and the cooling/heating effect is hard, unbalanced and not soft is a problem to be solved in the industry urgently.

SUMMERY OF THE UTILITY MODEL

The utility model provides a wide-angle flow guide grid with balanced, soft and quick air outlet, a heat exchanger and an air conditioning system with the wide-angle flow guide grid, aiming at solving the problems of the existing traditional air conditioning evaporator that the air outlet of cold air/hot air is directly blown, and the refrigerating/heating effect is hard, unbalanced and not soft.

The utility model provides a wide-angle flow guide grid which comprises a plurality of horn-shaped flow guide plates arranged in concentric circles and fixing rib plates used for connecting the flow guide plates.

Preferably, the fixed rib plates are multiple and protrude out of the outer side face formed by the flow deflector.

Preferably, the fixing rib plate extends to the radial direction of the wide-angle flow guide grid and is bent to the same direction.

Preferably, the inner end of the fixed rib plate is connected to a sleeve excircle.

Preferably, the sleeve is connected with a motor shaft of the grid motor.

A heat exchanger comprises an air pipe, reinforcing ribs arranged in the air pipe, a wide-angle flow guide grid, a grid motor and fan blade motors for the heat exchanger, wherein the fan blade motors are fixed on the reinforcing ribs.

The utility model also provides a heat exchanger which comprises an air pipe and a fan blade motor. The air pipe is internally provided with a reinforcing rib, and the wide-angle flow guide grid can be rotatably connected to the outer side surface of the reinforcing rib.

Preferably, the fan blade motor is fixedly connected to the inner side surface of the reinforcing rib.

The utility model provides a central air-conditioning system which comprises a heat exchanger.

The utility model arranges an air pipe at the air exhaust side of the heat exchanger of the central air-conditioning system, the air inlet of the air pipe is sleeved on the heat exchanger and the fins thereof, the air pipe is internally provided with fan blades and a fan blade motor, and the air exhaust port of the air pipe is provided with a rotatable wide-angle flow-guiding grating. After the air conditioner is started, the fan blades suck air into the air pipe after the air is subjected to heat exchange with the fins of the heat exchanger in the air pipe, and the air subjected to heat exchange is conveyed into an indoor space through a wide-angle flow guide grid arranged at an outlet of the air pipe. Because the effect of the horn-shaped guide vanes arranged in concentric circles can diffuse and discharge the wind to the periphery as much as possible, the important thing is that the bent fixed rib plate can further stir and break up the wind outlet through the rotation of the wide-angle guide grid, so that the cold wind/hot wind can be uniformly distributed in all directions of the indoor space. According to the air-out characteristics of heating and refrigerating, the air-out mode can be adjusted to achieve the effects of balanced, soft and quick space refrigerating/heating; the cold air/hot air is prevented from directly blowing the human body, and good experience is brought to the user.

Drawings

FIG. 1 is an exploded schematic view of an embodiment of a heat exchanger of the present invention having a wide angle flow directing grid;

FIG. 2 is a schematic structural diagram of an embodiment of a wide-angle air guide grid of the present invention;

FIG. 3 is a schematic structural view of the air duct of the present invention;

FIG. 4 is a schematic view of the air flow effect in the heating mode of the heat exchanger according to the present invention;

fig. 5 is a schematic diagram illustrating the air flow effect in the cooling mode of the heat exchanger according to the embodiment of the present invention.

Detailed Description

The utility model is further illustrated by the following examples and figures.

As shown in fig. 1, an embodiment of a heat exchanger provided by the present invention, that is, an evaporator with a wide-angle flow-guiding grille for a central air-conditioning system, is mainly assembled by a grille nut 1, a wide-angle flow-guiding grille 2, a grille motor 3, a grille motor bolt 4, an air duct 5, a fan blade motor 6, a motor bolt 7, an evaporator fan blade 8, a fan blade nut 9, an evaporator, and fins 10. The evaporator and the fins 10 are connected with an air-conditioning refrigerant system, fixed at an air inlet of the air pipe 5 and fixed on the upper part of an indoor ceiling together with the air pipe 5. And the fan blade motor 6 is fixed inside the air pipe 5, when the evaporator fan blade 8 is driven to rotate, air is sucked into the air pipe 5 after exchanging heat with the evaporator and the fins 10, and is discharged through the wide-angle flow guide grid 2 arranged at the air outlet of the air pipe 5.

As shown in fig. 2, an embodiment of the wide-angle air guide grid 2 provided by the present invention is provided, where the wide-angle air guide grid 2 includes a plurality of horn-shaped air guide vanes 21 arranged in concentric circles, and a fixing rib 22 for connecting and positioning the air guide vanes 21. In this embodiment, the fixing rib plates 22 are multiple, for example, six, and protrude out of the outer side surface of the plane formed by the flow deflector 21, that is, the outer side edge of the flow deflector 21 is embedded in the inner side edge of the fixing rib plate 22, so that the outer side edge of the fixing rib plate 22 protrudes out of the outer side edge of the flow deflector 21. The fixing ribs 22 extend from the center of the deflector 21 in the radial direction thereof, and each fixing rib 22 is bent in the same direction. The inner ends of the fixing rib plates 22 are connected to the excircle of a sleeve 23, and the sleeve 23 is connected with a motor shaft of the grille motor 3. As shown in fig. 3, a reinforcing rib 51 is provided in the air outlet of the air duct 5, such as a cross reinforcing rib 51 with a circular plate in the middle (see fig. 1), and the wide-angle grille 2 is connected to the outer side surface (the side facing the air outlet of the air duct 5) of the reinforcing rib 51 through the grille motor 3, so that the wide-angle grille 2 can be driven to rotate by turning on the grille motor 3. Further, a blade motor 6 for driving the evaporator blade 8 to rotate is fixed to an inner surface (a surface facing the evaporator and the fin 10) of the rib 51. The flow deflector 21 of the wide-angle flow guiding grid 2 is trumpet-shaped, and the outward end is a large port, namely the flow deflector 21 is opened outwards for a certain angle. After heat exchange between the evaporator and the fins 10, the air can be diffused and discharged to the periphery as much as possible due to the action of the plurality of horn-shaped guide vanes 21 arranged in concentric circles. In addition, the outer side edge of the bent fixed rib plate 23 protruding out can further stir and break up the outlet air through the rotation of the wide-angle flow guide grid 2, so that the cold air/hot air is uniformly distributed in all directions of the indoor space.

The evaporator provided by the utility model is used for three-dimensional air supply of a central air-conditioning system, and can achieve the effect of indoor balanced air outlet and temperature regulation mainly through the following two modes:

as shown in fig. 4, in the heating mode of the air conditioner, the density of the hot air discharged from the heat exchanger 20 is low compared to the low-temperature indoor air, and the air conditioner has an auto-rising effect in the relatively low-temperature indoor air. In this mode, the grille motor 3 is not driven, the air exhausted by the heat exchanger 20 is expanded at a certain angle to blow downwards, the hot air blown downwards automatically rises slowly due to lightness, namely the hot air blows downwards and then rises upwards, and therefore the effect of indoor balanced heating can be achieved. The arrows in fig. 4 show the schematic effect of the diffusion of the hot air blown out by the evaporator.

As shown in fig. 5, when the air conditioner enters the cooling mode, the cold air discharged from the heat exchanger 20 has a high density and continuously sinks in the relatively high-temperature indoor air, the cold air discharged from the heat exchanger 20 is diffused at about 120 degrees, and the corner cold air in the indoor space is not easily delivered in a short time, so that the cooling effect is difficult to be balanced. At this time, the grid motor 3 is started to drive the wide-angle flow guide grid 2 to rotate, and the discharged cold air is further stirred and scattered, so that part of the discharged cold air can be transversely blown and then is downwards settled from the corner of the indoor space. Thereby allowing the cool indoor air to be uniformly diffused. The arrows in fig. 5 show the schematic effect of the diffusion of the cool air blown out by the evaporator.

According to the air outlet characteristics of heating and refrigerating, the air outlet mode can be adjusted, namely, a client can select the heating or refrigerating mode to operate, and different powers or rotating speeds can be selected, so that the effects of balanced, soft and quick space refrigerating/heating are achieved, cold air/hot air is prevented from directly blowing a human body, and a good experience feeling is brought to the user.

The above description is only exemplary of the present invention and should not be taken as limiting the utility model, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. A wide-angle flow guide grid is characterized by comprising a plurality of horn-shaped flow guide plates arranged in a concentric circle and a plurality of fixing rib plates used for connecting the flow guide plates, wherein the fixing rib plates protrude out of the outer side surface formed by the flow guide plates; the fixed rib plates extend towards the radial direction of the wide-angle flow guide grid and are bent towards the same direction.

2. The wide-angle air guide grid according to claim 1, wherein the inner ends of the fixing ribs are connected to a sleeve excircle.

3. The wide angle air guide grille of claim 2 wherein the sleeve is connected to a motor shaft of a grille motor.

4. A heat exchanger comprises an air pipe and a fan blade motor, and is characterized in that reinforcing ribs are arranged in the air pipe, and the wide-angle flow guide grid as claimed in any one of claims 1 to 3 can be rotatably connected to the outer side faces of the reinforcing ribs.

5. The heat exchanger of claim 4, wherein the fan blade motor is fixedly connected to the inner side surface of the reinforcing rib.

6. An air conditioning system comprising a heat exchanger according to claim 4 or 5.

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