CN202792704U - Air-side heat exchanger, air-cooled heat pump unit and air-conditioning system - Google Patents

Abstract

The utility model discloses an air-side heat exchanger and an air-cooled heat pump unit and an air-conditioning system provided with the air-side heat exchanger. The set first heat exchange part and the second heat exchange part, the third heat exchange part respectively connected to the first heat exchange part and the second heat exchange part, and one end connected to the second heat exchange part, and the other end connected to the second heat exchange part A fourth heat exchange portion extending in the direction of the heat exchange portion. The utility model increases the area of the return air surface of the fin heat exchange plate, thereby increasing the heat exchange area of the fin heat exchange plate, and further improving the heat exchange efficiency of the wind side heat exchanger.

Description

Air side heat exchanger, air-cooled heat pump unit and air conditioning system

technical field

The utility model relates to the technical field of air conditioning, in particular to an air-side heat exchanger, an air-cooled heat pump unit and an air-conditioning system.

Background technique

In the prior art, the air-cooled heat pump unit includes several single units, and the single unit includes at least two fluorine circulation units, and the wind-side heat exchangers in every two fluorine circulation units share the same fan. The wind-side heat exchanger includes a first fin heat exchange plate of the first fluorine circulation unit, a second fin heat exchange plate of the second fluorine circulation unit and a connecting plate, the first fin heat exchange plate, the second fin heat exchange plate The sheet heat exchange plate and the connecting plate are enclosed to form a cylinder with openings at both ends, and the above-mentioned fan is accommodated in the cylinder. Since the column includes the first finned heat exchange plate, the second finned heat exchange plate and the connecting plate, the air return surfaces of the first finned heat exchange plate and the second finned heat exchange plate are relatively small, resulting in The heat exchange efficiency of the wind side heat exchanger is low.

Utility model content

The main purpose of the utility model is to provide a wind-side heat exchanger, aiming at improving the heat exchange efficiency of the wind-side heat exchange.

In order to achieve the above object, the utility model provides a wind-side heat exchanger, which is arranged in the air-cooled heat pump unit, the wind-side heat exchanger includes a finned heat exchange plate, and the finned heat exchange plate includes a first The heat exchange part and the second heat exchange part, the third heat exchange part respectively connected to the first heat exchange part and the second heat exchange part, and one end connected to the second heat exchange part, and the other end connected to the first heat exchange part The fourth heat exchange part extending in the direction.

Preferably, the inner surfaces of the first heat exchange part, the second heat exchange part, the third heat exchange part and the fourth heat exchange part are set as plane or curved surfaces.

Preferably, the parts where the first heat exchange part, the second heat exchange part, the third heat exchange part and the fourth heat exchange part are connected to each other are provided with rounded corners.

Preferably, the wind-side heat exchanger further includes a connection plate, a bottom plate, a fan and an air deflector, and the finned heat exchange plate and the connection plate are enclosed to form a column with openings at both ends; the bottom plate is fixed on the bottom of the column, and close the opening at the bottom of the column; the fan is accommodated in the column and is located at the top of the column; the wind deflector is fixed on the top of the column, and Adapted to the opening at the top of the column, the air deflector is provided with an air outlet adapted to the fan.

The utility model also provides an air-cooled heat pump unit. The air-cooled heat pump unit includes at least two air-side heat exchangers. gap; the wind-side heat exchanger includes a finned heat exchange plate, and the finned heat exchange plate includes a first heat exchange portion and a second heat exchange portion oppositely arranged, and the first heat exchange portion and the second heat exchange portion The third heat exchange part is connected to the parts respectively, and the fourth heat exchange part is connected to the second heat exchange part at one end and extends toward the first heat exchange part at the other end.

Preferably, the width of the gap is larger than 50mm.

The utility model also provides an air-conditioning system, which includes an air-cooled heat pump unit, the air-cooled heat pump unit includes at least two air-side heat exchangers, and a The air return gap of the finned heat exchange plate; the wind-side heat exchanger includes a finned heat exchange plate, and the finned heat exchange plate includes a first heat exchange part and a second heat exchange part arranged oppositely, and the first heat exchange part and the first heat exchange part The heat exchange part is connected to the third heat exchange part with the second heat exchange part respectively, and the fourth heat exchange part is connected with the second heat exchange part at one end and extends toward the first heat exchange part at the other end.

The utility model sets the finned heat exchange plate structure in the prior art as the first heat exchange part and the second heat exchange part which are oppositely arranged, and respectively connects the first heat exchange part and the second heat exchange part through the third heat exchange part. The second heat exchange part is connected to the second heat exchange part at one end, and the fourth heat exchange part extends toward the first heat exchange part at the other end. Therefore, the return air area of the fin heat exchange plate can be effectively increased, thereby increasing the heat exchange area of the fin heat exchange plate, and further improving the heat exchange efficiency of the wind side heat exchanger.

Description of drawings

Fig. 1 is the front view of the first embodiment of the wind side heat exchanger of the present invention;

Fig. 2 is a schematic diagram of the three-dimensional structure of the wind-side heat exchanger in Fig. 1;

Fig. 3 is a schematic cross-sectional structure diagram along the A-A direction of the wind-side heat exchanger in Fig. 1;

Fig. 4 is a schematic diagram of the arrangement structure of the wind-side heat exchanger in the first embodiment of the air-cooled heat pump unit of the present invention.

The realization of the purpose of the utility model, functional characteristics and advantages will be further described in conjunction with the embodiments and with reference to the accompanying drawings.

Detailed ways

It should be understood that the specific embodiments described here are only used to explain the utility model, and are not intended to limit the utility model.

Referring to Fig. 1 to Fig. 3, Fig. 1 is a front view of the first embodiment of the wind-side heat exchanger of the present invention, Fig. 2 is a schematic diagram of the three-dimensional structure of the wind-side heat exchanger in Fig. 1, and Fig. 3 is a diagram of the wind-side heat exchange in Fig. 1 Schematic diagram of the cross-sectional structure of the device along the A-A direction. The air-side heat exchanger provided in this embodiment is arranged in an air-cooled heat pump unit, and includes finned heat exchange plates 10 . The finned heat exchange plate 10 includes a first heat exchange portion 101 and a second heat exchange portion 102 disposed opposite to each other, a third heat exchange portion 103 respectively connected to the first heat exchange portion 101 and the second heat exchange portion 102, and One end is connected to the second heat exchange portion 102 , and the other end is a fourth heat exchange portion 104 extending toward the first heat exchange portion 101 .

In this embodiment, one end of the first heat exchange part 101 is respectively connected to the second heat exchange part 102 through the third heat exchange part 103, and the other end of the second heat exchange part 102 is connected to one end of the fourth heat exchange part 104, The other end of the fourth heat exchange portion 104 extends toward the first heat exchange portion 101 . Wherein the first heat exchange part 101, the second heat exchange part 102 and the third heat exchange part 103 can constitute a U-shaped fin heat exchange plate, and on the basis of the U-shaped heat exchange plate, the second heat exchange 102 is also connected with a second heat exchange plate. The four heat exchange parts 104 reduce the area of the connecting plate 20 , thus effectively increasing the overall heat exchange area of the finned heat exchange plate 10 .

The utility model sets the structure of the finned heat exchange plate 10 in the prior art as a first heat exchange part 101 and a second heat exchange part 102 which are oppositely arranged, and respectively connects the first heat exchange part 103 through the third heat exchange part 103. One end of the heat part 101 and the second heat exchange part 102 is connected to the second heat exchange part 102 , and the other end is a fourth heat exchange part 104 extending toward the direction of the first heat exchange part 101 . Therefore, the return air area of the fin heat exchange plate 10 can be effectively increased, thereby increasing the heat exchange area of the fin heat exchange plate 10 , and further improving the heat exchange efficiency of the wind-side heat exchanger.

It should be noted that, the gap distance between the above-mentioned first heat exchange part 101 and the fourth heat exchange part 104 can be set according to actual needs, which is not further limited here.

Specifically, the wind-side heat exchanger also includes a finned connecting plate 20, a bottom plate 30, a fan 40, and an air guide plate 50, wherein the finned heat exchange plate 10 and the connecting plate 20 are enclosed to form a column with openings at both ends. 1; the bottom plate 30 is fixed on the bottom of the column 1 and closes the opening at the bottom of the column 1; the fan 40 is accommodated in the column 1 and is located on the top of the column 1; the wind deflector 50 is fixed on the column 1 and is adapted to the opening at the top of the column 1 , the air deflector 50 is provided with an air outlet 501 adapted to the fan 40 .

In this embodiment, the finned heat exchange plate 10 has a first end plate, a second end plate, and refrigerant heat exchange tubes passing through the first end plate and the second end plate and connected to copper tubes. One end of the connecting plate 20 is attached and fixedly connected to the first end plate of the finned heat exchange plate 10 , and the other end is attached and fixedly connected to the second end plate of the finned heat exchange plate 10 , so that the finned heat exchange plate 10 Together with the connecting plate 20, a column structure with two ends penetrating is formed. Specifically, the connection plate 20 can be fixed on the first end plate and the second end plate of the finned heat exchange plate 10 by means of screw fastening.

It should be noted that one end of the first heat exchange part 101 is connected to the third heat exchange part 103, and the other end forms the first end plate; one end of the fourth heat exchange part 104 is connected to the second heat exchange part 102, and the other end forms the first end plate; One end forms the aforementioned second end plate.

The bottom plate 30 is larger than the bottom opening of the column 1 formed by the fin heat exchange plate 10 and the connection plate 20 , and the column 1 is attached and fixedly connected to the bottom plate. In this embodiment, appropriate threaded through holes can be provided on the bottom plate 30, the connecting plate 20 and the first end plate of the finned heat exchange plate 10, and the bottom plate 30 can be fixed to the bottom of the column body 1 by means of screw fastening. .

The fan 40 includes a bracket 401, a motor 402 and a fan blade 403, wherein the bracket 401 is fixed on the bottom plate 30, the motor 402 is fixedly connected to the bracket 401, the motor 402 is fixedly connected to the fan blade 403 through a rotating shaft, and makes the fan blade 403 It is located on the top of the column 1 and facing the air outlet 501 .

During operation, under the action of the rotation of the fan 40, the gas inside the column 1 flows out from the air outlet 501, so that the air pressure inside the column 1 is low; Pass through the finned heat exchange plate 10 , exchange heat with the refrigerant in the finned heat exchange plate 10 , enter the interior of the column 1 , and then flow out from the air outlet 501 under the rotation of the fan 40 .

Specifically, the inner surfaces of the first heat exchange part 101 , the second heat exchange part 102 , the third heat exchange part 103 and the fourth heat exchange part 104 may be arranged as a plane or a curved surface.

In this embodiment, the parts connecting the first heat exchange part 101 , the second heat exchange part 102 , the third heat exchange part 103 and the fourth heat exchange part 104 can also be set as rounded corners. Specifically, the connection between the first heat exchange part 101 and the third heat exchange part 103 is set at rounded corners, the connection between the third heat exchange part 103 and the second heat exchange part 102 is set at rounded corners, and the second heat exchange part 102 and the The connection part of the fourth heat exchange part 104 is provided with rounded corners. Since the connecting parts of the first heat exchange part 101, the second heat exchange part 102, the third heat exchange part 103 and the fourth heat exchange part 104 are rounded, the corners of the above-mentioned refrigerant heat exchange tubes can be rounded , which is more conducive to the circulation of the refrigerant in the refrigerant heat exchange tube.

Referring to FIG. 4 , the schematic diagram of the arrangement structure of the wind-side heat exchangers in the first embodiment of the air-cooled heat pump unit is shown. The utility model also provides an air-cooled heat pump unit, the air-cooled heat pump unit includes at least two air-side heat exchangers, and there is a gap between the adjacent two air-side heat exchangers for the return air of the above-mentioned fin heat exchange plate , the structure of the wind-side heat exchanger can refer to the above, and will not be repeated here. Due to the adoption of the aforementioned wind-side heat exchanger, the heat exchange capacity of the wind-side heat exchanger is improved, thereby improving the performance of the air-cooled heat pump unit.

It should be noted that the width of the gap between the above-mentioned two adjacent air-side heat exchangers can be set as required, and the width L of the gap is preferably L greater than 50mm, which is more conducive to the adjacent two air-side heat exchangers. Return air.

The utility model also provides an air-conditioning system, the air-conditioning includes an air-cooled heat pump unit, the air-cooled heat pump unit includes at least two air-side heat exchangers, and there are fins between the adjacent two air-side heat exchangers For the air return gap of the hot plate, the structure of the wind-side heat exchanger can be referred to above, and will not be repeated here. Due to the adoption of the aforementioned wind-side heat exchanger, the heat exchange capacity of the wind-side heat exchanger is improved, thereby improving the performance of the air-conditioning system, which is more suitable for people to use.

The above are only preferred embodiments of the present utility model, and are not intended to limit the patent scope of the present utility model. Any equivalent structure or equivalent process conversion made by using the description of the utility model and the contents of the accompanying drawings, or directly or indirectly used in other related All technical fields are all included in the scope of patent protection of the utility model in the same way.

Claims (7)

1. air side heat exchanger, be arranged in the Air-Cooled Heat Pump Unit, it is characterized in that, comprise the fin heat exchanger plates, this fin heat exchanger plates comprise the first heat exchange section of being oppositely arranged be connected heat exchange section, with this first heat exchange section be connected the 3rd heat exchange section that heat exchanging part is not connected, and an end is connected with the second heat exchange section, the other end is to the 4th heat exchange section that the first heat exchange section direction is extended.

2. air side heat exchanger as claimed in claim 1 is characterized in that, the inner surface of described the first heat exchange section, the second heat exchange section, the 3rd heat exchange section and the 4th heat exchange section is plane or curved surface setting.

3. air side heat exchanger as claimed in claim 1 or 2 is characterized in that, described the first heat exchange section, the second heat exchange section, the interconnective position of the 3rd heat exchange section and the 4th heat exchange section are the fillet setting.

4. air side heat exchanger as claimed in claim 1 or 2 is characterized in that, also comprises connecting plate, base plate, blower fan and wind deflector, and described fin heat exchanger plates and connecting plate enclose the cylinder that formation one has both ends open; Described base plate is fixed in the bottom of described cylinder, and seals the opening of this cylinder bottom; Described blower fan is placed in the cylinder and is positioned at the top of this cylinder; Described wind deflector is fixed in the top of cylinder and adaptive with the opening at this cylinder top, and described wind deflector is provided with the air outlet adaptive with described blower fan.

5. an Air-Cooled Heat Pump Unit is characterized in that, comprises at least two such as each described air side heat exchanger in the right 1 to 4, and has the gap for described fin heat exchanger plates return air between adjacent two air side heat exchangers.

6. Air-Cooled Heat Pump Unit as claimed in claim 5 is characterized in that, the width in described gap is greater than 50mm.

7. an air-conditioning system is characterized in that, comprises such as right 5 or 6 described Air-Cooled Heat Pump Unit.

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