An easy-to-install parallel flow condenser for top-mounted split-type passenger car air conditioner

Abstract

The utility model provides an easy-to-install parallel flow condenser for a top-mounted split-type passenger car air conditioner, comprising an inverted trapezoidal protective shell, an upper cover, a T-shaped guide cover and a parallel flow condenser, wherein: the parallel flow condenser is fixedly installed inside the inverted trapezoidal protective shell, and the upper cover is detachably fixedly installed on the inverted trapezoidal protective shell, and the T-shaped guide cover is detachably fixedly installed on the upper cover; the overall arrangement of the utility model is not only convenient for separate disassembly and assembly on the top of the passenger car, but also, after being installed on the roof of the passenger car, in rainy and snowy weather, it can prevent rain and snow from entering the inverted trapezoidal protective shell and contacting the parallel flow condenser, and at the same time can prevent snow from accumulating at the air inlet, thereby avoiding affecting the overall operation, making the overall operation safer and more reliable.

Description

Technical Field

[0001] The utility model belongs to the field of condensers, and in particular relates to an easy-to-install top-mounted split-type parallel flow condenser for passenger car air conditioners. Background Art

[0002] The parallel flow condenser for passenger car air conditioner is a highly efficient and lightweight automotive air conditioner component. The parallel flow condenser is the main heat exchange component in the air conditioning system, and its structure has been significantly improved on the basis of the tube-belt condenser. By further reducing the hydraulic radius of the aluminum flat tube and strengthening the heat transfer on the refrigerant side, and at the same time equipping the two sides of the condenser with headers, the refrigerant channel is designed according to the law that the volume of the refrigerant is continuously reduced from gas to liquid, thereby improving the heat dissipation efficiency.

[0003] However, the existing parallel flow condenser for the easy-to-install top-mounted split-type passenger car air conditioner is used in rainy and snowy weather. Not only is it easy for rain and snow to contact the condenser through the heat dissipation holes of the condenser shell, but snow is also easy to accumulate on the heat dissipation holes. Once frozen, it will affect the normal operation of the equipment.

[0004] Therefore, it is very necessary to invent a parallel flow condenser for an easy-to-install top-mounted split-type passenger car air conditioner. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a technical solution adopted by a parallel flow condenser for a top-mounted split-type passenger car air conditioner that is easy to install: a parallel flow condenser for a top-mounted split-type passenger car air conditioner that is easy to install, comprising an inverted trapezoidal protective shell, an upper cover, a T-shaped guide cover and a parallel flow condenser, wherein: the parallel flow condenser is fixedly installed inside the inverted trapezoidal protective shell, and the upper cover is detachably fixedly installed on the inverted trapezoidal protective shell, and the T-shaped guide cover is detachably fixedly installed on the upper cover;

[0006] Preferably, a plurality of exhaust holes are evenly distributed around the inverted trapezoidal protective shell, and the exhaust holes are connected to the inside of the inverted trapezoidal protective shell;

[0007] Preferably, a plurality of heat dissipation fans are evenly and fixedly installed inside the upper cover, and a plurality of heat dissipation fan air outlet holes corresponding to the air outlets of the heat dissipation fans are evenly opened on the bottom surface of the upper cover, and the heat dissipation fan air outlet holes are connected with the exhaust holes;

[0008] Preferably, a plurality of air inlet holes are evenly distributed on the bottom surface of the T-shaped guide cover transverse plate, and the air inlet holes are connected to the air outlet holes of the heat dissipation fan;

[0009] Preferably, the parallel flow condenser comprises a collecting tube 1, a collecting tube 2 and microchannel aluminum flat tubes, and a plurality of groups of microchannel aluminum flat tubes are evenly distributed and fixed between the collecting tube 1 and the collecting tube 2, each group is provided with three microchannel aluminum flat tubes, and the three microchannel aluminum flat tubes are evenly distributed and overlapped in a horizontal shape; the microchannel aluminum flat tubes are connected with the collecting tube 1 and the collecting tube 2; the collecting tube 2 is provided with a liquid inlet and a liquid outlet, and the liquid inlet and the liquid outlet are connected with the collecting tube 2; the collecting tube 1, the collecting tube 2 and the microchannel aluminum flat tubes are fixedly installed inside an inverted trapezoidal protective shell; it should be noted that the height between the three microchannel aluminum flat tubes is less than the width of a single microchannel aluminum flat tube.

[0010] Preferably, a plurality of ventilation holes are evenly distributed and penetrated through the surfaces of the current collecting pipe 1 and the current collecting pipe 2, and the ventilation holes are not connected to the interior of the current collecting pipe 1 and the current collecting pipe 2.

[0011] Preferably, a plurality of integrated hollow columns are evenly distributed on the circumference of the microchannel aluminum flat tube, and a plurality of annular grooves with the same shape as the microchannel aluminum flat tube are opened between the microchannel aluminum flat tube and the hollow columns; the length of the hollow column is the same as that of the microchannel aluminum flat tube.

[0012] Compared with the prior art, the advantages of the utility model are:

[0013] The overall arrangement of the utility model is not only convenient for disassembly and assembly on the top of the bus separately, but also, after being installed on the roof of the bus, can prevent rain and snow from entering the inverted trapezoidal protective shell and contacting the parallel flow condenser in rainy and snowy weather, and can also prevent snow from accumulating at the air inlet holes, thereby avoiding affecting the overall operation and making the overall operation safer and more reliable. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0015] Figure 2 It is a schematic diagram of the structure of the parallel flow condenser of the utility model.

[0016] Figure 3 It is a schematic diagram of the upper cover opening structure of the utility model.

[0017] Figure 4 It is a partial enlarged structural schematic diagram of point A of the utility model.

[0018] In the figure:

[0019] Inverted trapezoidal protective shell 1, upper cover 2, T-shaped guide cover 3, exhaust holes 4, air inlet holes 5 and parallel flow condenser 6, collecting pipe 1 61, collecting pipe 2 62, microchannel aluminum flat tube 63, liquid inlet pipe port 64, liquid outlet pipe port 65, ventilation hole 66, hollow column 67, ring groove 68, heat dissipation fan air outlet hole 7. DETAILED DESCRIPTION

[0020] In order to enable those skilled in the art to better understand the solution of the utility model, the technical solution in the embodiment of the utility model will be described clearly and completely below. Obviously, the described embodiment is only a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the utility model.

[0021] In the description of the embodiments, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, which are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. In the description of the utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be a connection between the two elements. For ordinary technicians in this field, the specific meanings of the above terms in the utility model can be understood according to specific circumstances.

[0022] The utility model is further described below in conjunction with the accompanying drawings:

[0023] Example

[0024] Reference Figure 1-4 , an easy-to-install top-mounted split-type parallel flow condenser for a passenger car air conditioner, comprising an inverted trapezoidal protective shell 1, an upper cover 2, a T-shaped guide cover 3 and a parallel flow condenser 6, wherein: the parallel flow condenser 6 is fixedly installed inside the inverted trapezoidal protective shell 1, and the inverted trapezoidal protective shell 1 is provided, so that the parallel flow condenser 6 can be protected and easily disassembled and assembled on the roof of the passenger car, and the upper cover 2 is detachably fixedly installed on the inverted trapezoidal protective shell 1, so that the parallel flow condenser 6 can be easily disassembled and assembled separately at a later time, and the T-shaped guide cover 3 is detachably fixedly installed on the upper cover 2, so as to shield and block impurities in the air and rain and snow;

[0025] A plurality of exhaust holes 4 are evenly distributed around the inverted trapezoidal protective shell 1, so that during the driving of the bus, air can enter the inverted trapezoidal protective shell 1 through the exhaust holes 4 facing the front of the bus to perform heat exchange with the parallel flow condenser 6. At the same time, the inverted trapezoidal protective shell 1 is inclined around, so that foreign matter can be reduced from entering the inverted trapezoidal protective shell 1 through the exhaust holes 4, and the exhaust holes 4 are connected to the inside of the inverted trapezoidal protective shell 1; the inverted trapezoidal protective shell 1 is provided with pipe openings corresponding to the liquid inlet pipe opening 64 and the liquid outlet pipe opening 65, so that the liquid inlet pipe opening 64 and the liquid outlet pipe opening 65 are connected to the bus air conditioning system components through pipes;

[0026] Several cooling fans are evenly and fixedly installed inside the upper cover 2, and several cooling fan air outlet holes 7 corresponding to the air outlets of the cooling fans are evenly opened on the bottom surface of the upper cover 2. The cooling fan air outlet holes 7 are connected with the exhaust holes 4 to dissipate heat for the parallel flow condenser 6;

[0027] The bottom surface of the horizontal plate of the T-shaped guide cover 3 is evenly provided with a plurality of air inlet holes 5 to facilitate the air circulation inside the inverted trapezoidal protective shell 1 and prevent impurities and rain and snow from entering the inverted trapezoidal protective shell 1, and the air inlet holes 5 are connected to the heat dissipation fan air outlet holes 7;

[0028] The parallel flow condenser 6 includes a collector 1 61, a collector 2 62 and microchannel aluminum flat tubes 63, and a plurality of groups of microchannel aluminum flat tubes 63 are evenly distributed and fixed between the collector 1 61 and the collector 2 62, each group is provided with three microchannel aluminum flat tubes 63, and the three microchannel aluminum flat tubes 63 are evenly distributed and overlapped horizontally, so that air can flow better between the microchannel aluminum flat tubes 63; the microchannel aluminum flat tubes 63 are connected to the collector 1 61 and the collector 2 62; the collector 2 62 is provided with There is a liquid inlet 64 and a liquid outlet 65, and the liquid inlet 64 and the liquid outlet 65 are connected to the collecting pipe 2 62; the collecting pipe 1 61, the collecting pipe 2 62 and the microchannel aluminum flat tube 63 are fixedly installed inside the inverted trapezoidal protective shell 1; it should be noted that the height between the three microchannel aluminum flat tubes 63 is less than the width of a single microchannel aluminum flat tube 63, and the microchannel aluminum flat tubes 63 do not contact each other, so that the wind resistance can be reduced without increasing the overall thickness, and the overall heat exchange capacity can be improved.

[0029] A plurality of ventilation holes 66 are evenly distributed through the surfaces of the first manifold 61 and the second manifold 62 to facilitate better air circulation, and the ventilation holes 66 are not connected to the interior of the first manifold 61 and the second manifold 62 .

[0030] A number of integrated hollow columns 67 are evenly distributed on the circumference of the microchannel aluminum flat tube 63. The arrangement of the hollow columns 67 can not only replace the heat dissipation fins for better heat dissipation, but also avoid the trouble of welding the heat dissipation fins, thereby preventing the cracking of the welds and avoiding the trouble of easy corrosion of the welds, thereby improving the overall service life and making the whole safer and more reliable. A number of annular grooves 68 with the same shape as the microchannel aluminum flat tube 63 are provided between the microchannel aluminum flat tube 63 and the hollow columns 67; the length of the hollow columns 67 is the same as the length of the microchannel aluminum flat tube 63.

[0031] Utilizing the technical solution described in the utility model, or those skilled in the art designing similar technical solutions inspired by the technical solution of the utility model to achieve the above-mentioned technical effects, all fall within the protection scope of the utility model.

Claims

1. An easy-to-install parallel flow condenser for a roof-mounted split-type passenger car air conditioner, characterized in that: The invention comprises an inverted trapezoidal protective shell (1), an upper cover (2), a T-shaped flow guide cover (3) and a parallel flow condenser (6), wherein: the parallel flow condenser (6) is fixedly mounted inside the inverted trapezoidal protective shell (1), and the upper cover (2) is detachably fixedly mounted on the inverted trapezoidal protective shell (1), and the T-shaped flow guide cover (3) is detachably fixedly mounted on the upper cover (2); A plurality of exhaust holes (4) are evenly distributed around the inverted trapezoidal protective shell (1), and the exhaust holes (4) are connected to the inside of the inverted trapezoidal protective shell (1); A plurality of heat dissipation fans are evenly and fixedly installed inside the upper cover (2), and a plurality of heat dissipation fan air outlet holes (7) corresponding to the air outlet holes of the heat dissipation fans are evenly opened on the bottom surface of the upper cover (2), and the heat dissipation fan air outlet holes (7) are connected to the exhaust holes (4); The bottom surface of the transverse plate of the T-shaped guide cover (3) is evenly provided with a plurality of air inlet holes (5), and the air inlet holes (5) are connected to the air outlet holes (7) of the heat dissipation fan; The parallel flow condenser (6) comprises a first manifold (61), a second manifold (62) and microchannel aluminum flat tubes (63), and a plurality of groups of microchannel aluminum flat tubes (63) are evenly distributed and fixed between the first manifold (61) and the second manifold (62), each group being provided with three microchannel aluminum flat tubes (63), and the three microchannel aluminum flat tubes (63) are evenly distributed and stacked in a horizontal shape; the microchannel aluminum flat tubes (63) are in communication with the first manifold (61) and the second manifold (62); the second manifold (62) is provided with a liquid inlet (64) and a liquid outlet (65), and the liquid inlet (64) and the liquid outlet (65) are in communication with the second manifold (62); the first manifold (61), the second manifold (62) and the microchannel aluminum flat tubes (63) are fixedly installed inside an inverted trapezoidal protective shell (1).

2. The parallel flow condenser for a top-mounted split-type passenger car air conditioner that is easy to install as claimed in claim 1, characterized in that: The surfaces of the current collecting pipe 1 (61) and the current collecting pipe 2 (62) are evenly distributed with a plurality of ventilation holes (66), and the ventilation holes (66) are not connected to the inside of the current collecting pipe 1 (61) and the current collecting pipe 2 (62).

3. The parallel flow condenser for a top-mounted split-type passenger car air conditioner that is easy to install as claimed in claim 1, characterized in that: A plurality of integrated hollow columns (67) are evenly distributed on the circumference of the microchannel aluminum flat tube (63), and a plurality of annular grooves (68) having the same shape as the microchannel aluminum flat tube (63) are provided between the microchannel aluminum flat tube (63) and the hollow columns (67).

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