Top type all-in-one electromechanical air conditioner universal for multiple vehicle types

Abstract

The invention relates to a universal top-type all-in-one electromechanical air conditioner for multiple vehicle types. The universal top-type all-in-one electromechanical air conditioner comprises outdoor and indoor units, the outdoor unit comprises an outdoor unit shell, a heat dissipation component, a refrigeration component, a refrigerant pipe and a compressor are arranged in the outdoor unit shell, a partition structure for separating the heat dissipation component from the refrigeration component is arranged in the outdoor unit shell, and a refrigeration side and a heat dissipation side are formed; an inner air inlet channel and an inner air outlet channel are formed in the portion, on the refrigeration side, of the outer unit shell at intervals, and an inner circulation air channel is formed by the inner air inlet channel, the inner air outlet channel and the inner space of the portion, on the refrigeration side, of the outer unit shell. The refrigeration component comprises an evaporator and an evaporation fan, and the evaporation fan and the evaporator are sequentially arranged in the inner circulation air duct in the airflow direction; a flow guide water retaining cover is arranged in the outer machine shell and located between the inner air outlet channel and the evaporator so as to prevent air flowing through the evaporator from bringing condensate water on the evaporator into the inner air outlet channel. The top type all-in-one machine can prevent condensate water of the evaporator from flowing out of the inner air outlet in a blowing mode, and the size of the top type all-in-one machine is effectively controlled.

Description

Technical Field

[0001] The present invention belongs to the technical field of air treatment equipment suitable for a passenger compartment or a cargo compartment of a vehicle, and in particular relates to a roof-type integrated electromechanical air conditioner universal for multiple vehicle types. Background Art

[0002] A roof-mounted all-in-one parking air conditioner is installed on the top of the cab (or skylight) of some vehicles to regulate the cabin air temperature. Part of it is exposed outside the cab, while part extends into the cab through an opening. The portion extending into the cab is typically equipped with an internal air inlet, an internal air outlet, and a control panel, while the portion exposed outside the cab typically has cooling inlet and outlet vents. The main components of a roof-mounted all-in-one parking air conditioner include a housing, an evaporator, an internal circulation fan, a condenser, a cooling fan, and a compressor, installed within the housing. It offers excellent integration and is easy to install and use.

[0003] Typical existing roof-mounted all-in-one parking air conditioners can be found in Chinese patent applications CN217099605U and CN214492456 U. Taking the technical solution disclosed in CN 214492456 U as an example, in the direction of the airflow in the internal refrigeration cycle, the air in the cab is sucked in from the inner air inlet, flows through the evaporator for heat exchange, reaches the fan, and is then blown out by the fan toward the inner air outlet. This type of refrigeration, in which air is sucked in and flows through the evaporator, is called the "suction" type. The advantage is that the flow rate of the sucked air when flowing through the evaporator is low, and the condensed water generated on the evaporator surface during heat exchange is not easy to separate from the evaporator surface with the airflow, making it easy to simply set up a water collection pan under the evaporator to collect and drain the condensed water. The disadvantage is that the air flow rate through the evaporator is low, the wind pressure is low, the cold air heat exchange is insufficient, and the cooling effect on the cab is insufficient.

[0004] There is also another type of parking air conditioner top-mounted integrated unit with an internal refrigeration cycle airflow direction in the prior art. Please refer to the technical solution disclosed in Chinese patent application CN 115366608 A. In the airflow direction of the internal refrigeration cycle, the fan sucks air from the cab, and after reaching the fan, it is blown out toward the evaporator by the fan. The high-speed airflow undergoes heat exchange through the evaporator, and then returns to the cab from the internal air outlet. This form of sucking air and blowing it toward the evaporator to achieve heat exchange and refrigeration is called a "blowing" form. The advantage is that the gas pressure flowing through the evaporator is high, which has a better cooling effect on the cab; but the gas pressure flowing through the evaporator increases, and the condensed water produced on the evaporator surface is easily blown away in a parabolic shape along the airflow direction. If the internal air outlet is located within the length range of the evaporator where the condensed water is blown away in a parabolic shape, as shown in the attached figure in CN115366608A, Figure 2As shown, the condensed water will easily drip out from the inner air outlet, affecting the use; if the inner air outlet is located outside the length range of the evaporator condensed water being blown away in a parabolic trajectory, then the inner air outlet is far away from the evaporator, which will cause the length of the parking air conditioner to increase, resulting in increased costs and reduced applicability of installation.

[0005] To address this issue, existing solutions, such as those disclosed in Chinese patent application CN213291915U, extend the airflow path after the evaporator and create a volute-shaped loop above the refrigeration chamber, then looping around to the inner air outlet below. This prevents condensed water blown onto the evaporator by the fan and carried away from it from flowing out through the inner air outlet. However, this long airflow path increases the height of the parking air conditioner, increasing the height of the roof-mounted portion and creating greater wind resistance. CN114435072A proposes a thinner roof-mounted parking air conditioner with a minimal exposure, but it is an improved solution for a "suction" system.

[0006] Therefore, how to prevent the evaporator condensate from flowing out from the internal air outlet in the "blowing" mode and effectively control the volume (length, width, and height) of the parking air conditioner still needs to be developed and improved.

[0007] Common parking air conditioner water retaining structures, such as Chinese patent applications CN117533097A and CN218805084U, all involve waterproof baffles, water collection trays and other anti-leakage forms, but they are all used in the "suction" form when the condensed water is relatively controlled. The water collection tray in CN218805084U also has an extended inclined support portion. In this solution, the air flow inhaled by the cross-flow fan passes through the evaporator, bypasses the top of the cross-flow fan, and then blows to the inner air outlet below. The inclined support portion only provides support for the cross-flow fan used by it. Summary of the Invention

[0008] In view of the above-mentioned deficiencies in the prior art, the technical problem to be solved by the present invention is to provide a top-mounted integrated electromechanical air conditioner that is universal for multiple vehicle models, thereby preventing the evaporator condensate from flowing out from the inner air outlet in the "blowing" mode and effectively controlling the volume of the parking air conditioner.

[0009] In order to solve the above technical problems, the present invention adopts the following technical solutions: A roof-mounted integrated electromechanical air conditioner that is common to multiple models and includes both an outdoor unit and an indoor unit; The outdoor unit includes an external housing, a heat dissipation component, a refrigeration component, and a compressor connected to the heat dissipation component and the refrigeration component via a refrigerant pipe. The external housing is provided with a partition structure that separates the heat dissipation component from the refrigeration component, so that the space portion of the external housing where the refrigeration component is located forms a cooling side, and the space portion of the external housing where the heat dissipation component is located forms a heat dissipation side. An inner air inlet channel and an inner air outlet channel are provided on the outer shell of the cooling side, and the inner air inlet channel, the inner air outlet channel and the inner space of the outer shell of the cooling side form an inner circulation air duct; The refrigeration component includes an evaporator and an evaporation fan. In the internal circulation air duct, the evaporation fan and the evaporator are arranged in sequence according to the air flow direction from the internal air inlet channel to the internal air outlet channel. The evaporation fan inhales air from the internal air inlet channel and blows it toward the evaporator. The air flows through the evaporator and then flows out from the internal air outlet channel. A water guide shield is provided inside the outer housing, and is located between the inner air outlet channel and the evaporator to prevent the air flowing through the evaporator from bringing the condensed water on the evaporator into the inner air outlet channel; The outer shell is provided with a guide channel for guiding the condensed water in the refrigeration side.

[0010] To further improve the above technical solution, the inner air outlet channel is located on a side of the evaporator away from the evaporating fan.

[0011] Furthermore, the inner air outlet channel is opened on the bottom wall of the outer shell, and the edge of the inner air outlet channel in the cooling side is higher than the position where the guide channel is connected to the cooling side; The deflector and water shield protrusion is formed on the inner surface of the bottom wall of the outer shell, and extends upward and toward the inner air outlet channel, so that the evaporator condensate brought out by the air flowing through the evaporator falls on the side of the deflector and water shield away from the inner air outlet channel.

[0012] Furthermore, the inner air outlet channel is extended in the length direction of the evaporator, the length of the guide and water shield is greater than the extended length of the inner air outlet channel, and both ends extend beyond the inner air outlet channel.

[0013] Furthermore, the edge of the inner air outlet channel protrudes toward the inner side of the outer casing to form a circle of water retaining ring, and the straight section of the water retaining ring close to the evaporator side continues to extend upward to form the guide water retaining cover.

[0014] Furthermore, the upwardly extending free end of the diversion and water shield completely covers the upper part of the inner air outlet channel.

[0015] Furthermore, there is a distance between the upwardly extending free end of the diversion and water shield and the inner wall of the opposite outer casing.

[0016] Furthermore, the cross section of the diversion and water shield is arc-shaped, with the convex side facing the evaporator.

[0017] Furthermore, the upward extension height of the guide water shield is not less than 1 / 2 of the height of the evaporator.

[0018] Furthermore, the inner surface of the bottom wall of the outer casing on the side of the guide water shield facing the evaporator gradually rises in a direction away from the guide water shield to form an inclined surface, and the evaporator is located above the inclined surface.

[0019] Furthermore, the evaporator is inclined toward the side of the flow guide water shield.

[0020] Furthermore, the evaporator is inclined at an angle of 5-15° relative to the vertical.

[0021] Furthermore, the highest point of the diversion water shield is not lower than the vertical middle position of the evaporator.

[0022] Furthermore, the heat dissipation components include a condenser and a condenser cooling fan. The evaporator, evaporator fan, compressor, condenser, and condenser cooling fan are arranged in sequence in the front-to-back direction of the outer housing, with the heavier compressor positioned in the middle, thereby balancing the center of gravity and providing enhanced vibration resistance during use. The condenser cooling fan draws air through the compressor, also facilitating heat dissipation.

[0023] Furthermore, the evaporator adopts a double-layer parallel flow core, the length direction of which corresponds to the width direction of the outer casing; The evaporation fan adopts a double-axis centrifugal fan, the axial direction of which corresponds to the width direction of the outer casing; The compressor is an electric compressor, and its axial direction corresponds to the width direction of the outer casing; The condenser adopts a double-layer flat tube structure condenser, the length direction of which corresponds to the width direction of the outer shell, and the width direction is vertical.

[0024] Furthermore, the outer housing includes an air conditioning base plate and an air conditioning cover snap-fitted to the air conditioning base plate, and the heat dissipation component and the compressor are both mounted on the air conditioning base plate. The evaporator and evaporation fan are also installed on the air conditioner base plate. The internal air inlet and outlet channels are both opened on the bottom plate of the air conditioner. The inner air inlet channel is located below the evaporating fan. The guide channel is opened on the air conditioner bottom plate.

[0025] Furthermore, an evaporator cover is connected to the air conditioner base plate, and the partition structure is formed by the evaporator cover, and the compressor is located outside the evaporator cover.

[0026] Furthermore, the diversion channel is symmetrically opened on the air-conditioning base plate, and the condensed water is discharged to the outside of the evaporator cover and the middle water level on the air-conditioning base plate to facilitate heat dissipation; the diversion channel continues to extend symmetrically backward behind the middle water level, and a low-level drainage hole is opened through the rear end of the air-conditioning base plate. The opening height of the low-level drainage hole is flush with the bottom wall height of the diversion channel and the middle water level. At the front position inside the diversion channel, a high-level drainage hole is also opened through the air-conditioning base plate, and the opening height of the high-level drainage hole is higher than the bottom wall of the diversion channel.

[0027] Compared with the prior art, the present invention has the following beneficial effects: The top-mounted integrated electric air conditioner of the present invention is universal for multiple vehicle models and can prevent evaporator condensate from flowing out of the inner air outlet in the "blowing" mode, and effectively controls the volume of the top-mounted integrated unit. The length, width and height dimensions are well controlled and suitable for installation in various vehicle models.

[0028] Specifically, the evaporator fan draws air in from the inner air inlet duct. After reaching the evaporator fan, it continues to be blown toward the evaporator by the evaporator fan. The high-speed airflow undergoes heat exchange through the evaporator before flowing out of the inner air outlet duct. Because a deflector and water shield is specially set between the inner air outlet duct and the evaporator, even if the high-speed airflow blown toward the evaporator by the evaporator fan undergoes heat exchange through the evaporator and removes condensed water from the evaporator, the deflector and water shield can prevent the airflow from further carrying condensed water into the inner air outlet duct, blocking the condensed water, and the airflow bypasses the deflector and water shield and flows out of the inner air outlet duct. The outdoor unit cooperates with the indoor unit, and the indoor unit's inner air inlet is connected to the inner air inlet duct, and the inner air outlet is connected to the inner air outlet duct. When in use, it can prevent the condensed water of the evaporator from flowing out from the inner air outlet in the "blowing" form. The condensed water is designed to be diverted to the diversion channel and discharged from the refrigeration side; because of the presence of the diversion water shield, the inner air outlet channel can be located on the side of the evaporator away from the evaporating fan, effectively controlling the volume of the top-type all-in-one machine, and the height and length dimensions are well controlled.

[0029] Thanks to its compact structure, small size, and powerful cooling capacity, this roof-mounted, integrated electromechanical air conditioner, universal across multiple models, can be installed in the cabs of a wide variety of vehicles, including but not limited to tricycles, light trucks, heavy (large) trucks, and low-speed electric vehicles. Simply create a corresponding through-hole in the cab roof (if a skylight is available, use the same location as the existing one; if the existing skylight is too large, replace the existing roof panel and create the corresponding through-hole in the replacement panel) to match the dimensions of the outdoor unit to the indoor unit. Installation is complete, with no interior paneling required.

[0030] It is not limited to parking and can be used while driving or parking.

[0031] The present invention is a roof-mounted, integrated electromechanical air conditioner universally applicable to multiple vehicle types. To achieve high cooling efficiency, compact size, and light weight, the air conditioner is designed to meet the indoor cooling needs of various vehicles, including heavy trucks, light trucks, tricycles, and electric four-wheeled vehicles. The air conditioner comprises an evaporator, evaporating fan, compressor, condenser, and condenser cooling fan, arranged in sequence along the front-to-back direction of the exterior housing. Based on this arrangement, a "blowing" refrigeration cycle is also required. Furthermore, the evaporator utilizes a double-layer parallel flow core, with its length aligned with the width of the exterior housing. The evaporating fan utilizes a dual-axis centrifugal fan, with its axial direction aligned with the width of the exterior housing. The compressor utilizes an electric compressor, with its axial direction aligned with the width of the exterior housing. The condenser utilizes a double-layer flat tube structure, with its length aligned with the width of the exterior housing, with its width oriented vertically and mounted at 90° to the air conditioner baseplate through a fan housing. The condenser cooling fan utilizes two ultra-thin, small-diameter motors arranged side by side. Through a series of systematic and specialized designs, the air conditioner achieves both high cooling capacity and compact size, thus achieving universal performance. The heavy compressor is located in the middle to balance the center of gravity and reduce vibration. In this "blowing" mode, a special water deflector is designed to prevent evaporator condensation from flowing out of the inner air outlet, ensuring a good user experience. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] Figure 1 This is a schematic structural diagram of a roof-mounted integrated electromechanical air conditioner that is universal for multiple vehicle models according to a specific embodiment; Figure 2 for Figure 1 Bottom view of Figure 3 for Figure 1 Right view of; Figure 4 for Figure 3 Middle AA section view (arrows in the figure indicate the direction of air flow in the internal circulation); Figure 5 for Figure 4 A schematic diagram of removing the indoor unit based on the above; Figure 6 A three-dimensional diagram of a roof-mounted integrated electromechanical air conditioner that is universal for multiple vehicle models according to a specific embodiment; Figure 7 This is an exploded view of a roof-mounted integrated electromechanical air conditioner that is universal for multiple vehicle models according to a specific embodiment; Figure 8 This is a schematic diagram of the connection of refrigerant pipes in a roof-mounted integrated electric air conditioner that is universal for multiple vehicle models according to a specific embodiment; Figure 9 A perspective view of an air conditioning base plate in a top-mounted integrated electromechanical air conditioner universal for multiple vehicle models according to a specific embodiment (the arrow in the figure indicates the air inlet direction of the evaporating fan); Figure 10A three-dimensional view of the air-conditioning base plate of the top-mounted integrated electromechanical air-conditioning system common to multiple vehicle models according to a specific embodiment, from another perspective; Figure 11 A top view of an air conditioning base plate in a top-mounted integrated electromechanical air conditioner that is universal for multiple vehicle models according to a specific embodiment; Figure 12 A three-dimensional diagram of an inner housing of a top-mounted integrated electric air conditioner that is universal for multiple vehicle models according to a specific embodiment; Figure 13 A perspective view of an evaporator cover in a top-mounted integrated electromechanical air conditioner that is universal for multiple vehicle models according to a specific embodiment; Figure 14 A perspective view of the evaporator cover of a top-mounted integrated electromechanical air conditioner common to multiple vehicle models in a specific embodiment, from another perspective; Figure 15 A perspective view of the inner housing of a top-mounted integrated electric air conditioner common to multiple vehicle models in a specific embodiment, from another perspective; Figure 16 A three-dimensional diagram showing another perspective of the refrigeration component of a top-mounted integrated electromechanical air conditioner that is universal for multiple vehicle models according to a specific embodiment; Figure 17 This is a schematic diagram of the dimensions of the roof-mounted integrated electromechanical air conditioner applicable to multiple vehicle models in this application; Figure 18 This is a schematic diagram of the dimensions of Yuneng's parking air conditioners currently on the market; Figure 19 This is a schematic diagram of the dimensions of Haier's parking air conditioner currently on the market; Figure 20 This is a schematic diagram of the dimensions of Gree's parking air conditioners currently on the market; Figure 21 A three-dimensional diagram of a roof-mounted integrated electromechanical air conditioner with the air conditioner cover removed, which is universal for multiple vehicle models according to the embodiment; Figure 22 for Figure 21 A three-dimensional image of a mid-top all-in-one unit with the evaporator cover removed; Figure 23 A schematic diagram of the structure of the two upper volutes separated from the integrated evaporator cover and the fixed upper cover corresponding to the upper half of the motor mounting base being fastened and connected to the air conditioner base plate; Figure 24 A schematic diagram of the structure of the cover body portion of the integrated evaporator cover; Among them, the outdoor unit 100, the indoor unit 200, the cooling side 300, the heat dissipation side 400, the outer casing 1, the air conditioner bottom plate 11, the inner air inlet channel 111, the inner air outlet channel 112, the diversion water shield 113, the diversion channel 114, the low-level drainage hole 1141, the high-level drainage hole 1142, the water retaining ring 115, the water level 116, the inclined surface 117, the middle sinking level 118, the support installation point 119, the air conditioner outer cover 12, the outer air inlet 121, the outgoing air outlet 122, the heat dissipation component 2, the condenser 21, the cold Condenser cooling fan 22, fan cover 23, support ear 24, refrigeration component 3, evaporator 31, 90-degree outlet H-shaped expansion valve 311, evaporating fan 32, refrigerant pipe 4, compressor 5, partition structure 6, evaporator outer cover 61, inner machine shell 211, inner air inlet 212, inner air outlet 213, control panel 214, partition plate 215, bolting point 216, air outlet air guide foam tube 7, evaporator mounting position 101, evaporating fan mounting position 102, compressor mounting position 103, heat dissipation component mounting position 104. DETAILED DESCRIPTION

[0033] The specific embodiments of the present invention will be further described in detail below with reference to the accompanying drawings.

[0034] See Figures 1-8 , a specific embodiment of a multi-car roof-mounted integrated electromechanical air conditioner includes an outdoor unit 100 and an indoor unit 200; The outdoor unit 100 includes an external housing 1, in which a heat dissipation component 2, a refrigeration component 3, and a compressor 5 connected to the heat dissipation component 2 and the refrigeration component 3 via a refrigerant pipe 4 are provided. A partition structure 6 is provided in the external housing 1 to separate the heat dissipation component 2 from the refrigeration component 3, so that the space in the external housing 1 where the refrigeration component 3 is located forms a cooling side 300, and the space in the external housing 1 where the heat dissipation component 2 is located forms a heat dissipation side 400; of course, the refrigerant pipe 4 must pass through or bypass the partition structure for connection. An inner air inlet channel 111 and an inner air outlet channel 112 are spaced apart on the outer casing 1 of the cooling side 300. The inner air inlet channel 111, the inner air outlet channel 112 and the inner space of the outer casing 1 of the cooling side 300 form an inner circulation air duct. The refrigeration component 3 includes an evaporator 31 and an evaporation fan 32. In the internal circulation air duct, the evaporation fan 32 and the evaporator 31 are arranged in sequence according to the air flow direction from the internal air inlet channel 111 to the internal air outlet channel 112. The evaporation fan 32 draws air from the internal air inlet channel 111 and blows it toward the evaporator 31. After flowing through the evaporator 31, the air flows out from the internal air outlet channel 112, thereby forming a refrigeration cycle in the form of blowing air. A water guide cover 113 is provided in the outer housing 1. The water guide cover 113 is located between the inner air outlet channel 112 and the evaporator 31 to prevent the air flowing through the evaporator 31 from bringing the condensed water on the evaporator 31 into the inner air outlet channel 112. See Figure 10 and Figure 11 The outer casing 1 is provided with a guide channel 114 for guiding the condensed water in the cooling side 300, which is generally located on the side and can play a connecting and guiding role, and guide the condensed water to a direction other than the indoor unit 200. The specific form is not limited.

[0035] In the embodiment, the roof-mounted integrated electric air conditioner is universal for multiple vehicle models. The evaporating fan 32 draws air from the inner air inlet channel 111. After reaching the evaporating fan 32, the air is continuously blown out toward the evaporator 31 by the evaporating fan 32. The high-speed airflow undergoes heat exchange through the evaporator 31, and then flows out from the inner air outlet channel 112. Since a flow guide and water shield 113 is specially provided between the inner air outlet channel 112 and the evaporator 31, even if the high-speed airflow blown toward the evaporating fan 32 by the evaporating fan 32 undergoes heat exchange through the evaporator 31, and takes away the condensed water on the evaporator 31, the flow guide and water shield 113 can prevent the airflow from further bringing the condensed water into the inner air outlet channel 112. The flow guide and water shield 113 blocks the condensed water, and the airflow bypasses the flow guide and water shield 113 and flows out from the inner air outlet channel 112. It can be understood that the outdoor unit 100 cooperates with the indoor unit 200, which can be seen in FIG. Figure 12 The inner air inlet 212 of the indoor unit 200 is connected to the inner air inlet channel 111, and the inner air outlet 213 is connected to the inner air outlet channel 112. When in use, it can prevent the condensed water of the evaporator 31 from flowing out of the inner air outlet 213 in the "blowing" mode. The condensed water is designed to be diverted to the diversion channel 114 and discharged from the cooling side 300; because of the presence of the diversion water shield 113, please continue to refer to Figure 3-Figure 5 , the internal air outlet channel 112 can be arranged on the side of the evaporator 31 away from the evaporating fan 32. There is no need to extend the air flow channel after the evaporator, and surround it in a volute shape to the top of the refrigeration chamber, and then surround it to the rear of the internal air inlet on the side of the evaporator facing the evaporating fan to discharge air, as in the technical solution disclosed in Chinese patent application CN213291915U. This solution can effectively control the volume of the top-type all-in-one machine, and the height and length dimensions are well controlled. Due to its compact structure, small size and strong cooling capacity, this top-type all-in-one electric air conditioner that is universal for multiple vehicle models can be suitable for installation in various vehicle models, including but not limited to installation in the cabs of tricycles, light trucks, heavy (large) trucks and low-speed electric vehicles.

[0036] During implementation, the relative positions of the inner air inlet duct 111, evaporator 31, evaporating fan 32, and inner air outlet duct 112 only need to meet the requirements. The inner air inlet duct 111 and inner air outlet duct 112 can be located at a non-bottom surface of the outer housing 1, and connected to the inner air inlet 212 and inner air inlet duct 111 of the indoor unit 100 respectively via external pipes. Generally speaking, the inner air inlet duct 111 and inner air outlet duct 112 are still located at the bottom surface of the outer housing 1 to facilitate connection with the indoor unit 100.

[0037] Please continue to see Figure 3-Figure 5 , wherein the inner air outlet channel 112 is opened on the bottom wall of the outer casing 1, and the edge of the inner air outlet channel 112 on the cooling side 300 is higher than the position where the guide channel 114 is connected to the cooling side 300; the guide water shield 113 is protruded and formed on the inner surface of the bottom wall of the outer casing 1, and extends upward and toward the direction of the inner air outlet channel 112, so that the condensed water of the evaporator 31 brought out by the air flowing through the evaporator 31 falls on the side of the guide water shield 113 facing away from the inner air outlet channel 112.

[0038] In this way, the guide water shield 11 extends upward at an angle to cover the space above the inner air outlet channel 112, thereby improving the water blocking effect. The condensed water falls on the side of the guide water shield 113 facing away from the inner air outlet channel 112, flows to the lower part of the outer casing on the refrigeration side 300, and is discharged from the guide channel 114, thereby preventing the accumulated water from increasing to exceed the edge of the inner air outlet channel 112 on the refrigeration side 300 and overflowing from the inner air outlet channel 112.

[0039] See Figure 9 and Figure 10 The inner air outlet channel 112 extends in the length direction of the evaporator 31 , the length of the guide water shield 113 is greater than the extension length of the inner air outlet channel 112 , and both ends exceed the inner air outlet channel 112 .

[0040] In this way, the length direction of the inner air outlet channel 112 corresponds to the length direction of the evaporator 31, and the air flowing through the evaporator 31 can easily flow out from the inner air outlet channel 112, thereby better ensuring the air flow and cooling effect. The two ends of the guide water shield 113 extend beyond the inner air outlet channel 112, effectively exerting the water-blocking effect. During implementation, the length direction of the evaporator actually corresponds to the width direction of the outer casing, and is also the left-right direction of the outer casing. When installed on the vehicle body, it also corresponds to the width direction, left-right direction, or horizontal direction of the vehicle body. The front-to-back direction of the outer casing is also the length direction of the outer casing. When installed on the vehicle body, it corresponds to the length direction, front-to-back direction, or longitudinal direction of the vehicle body.

[0041] Among them, the edge of the inner air outlet channel 112 protrudes toward the inner side of the outer casing 1 to form a circle of water retaining ring 115. The straight section of the water retaining ring 115 on the side close to the evaporator 31 continues to extend upward to form the diversion water retaining cover 113. The side of the straight section on the other side away from the evaporator 31 is a gradually inclined surface with a slope, which is shown as an arc in this embodiment. It can facilitate the flow of air and reduce air flow resistance to a certain extent. The inner surface of the bottom wall of the outer casing 1 around the water retaining ring 115 forms a water receiving level 116 for water accumulation on the cooling side 300, and the diversion channel 114 is connected to it. The height of the water retaining ring 115 is higher than the position where the diversion channel 114 is connected to the water receiving level 116.

[0042] See Figure 4 、 Figure 5 and Figure 10 The upwardly extending free end of the diversion and water shield 113 completely covers the upper part of the inner air outlet channel 112 .

[0043] In this way, the condensed water on the higher surface of the evaporator 31 is prevented from falling into the inner air outlet channel 112 when being blown away in a parabola along the air flow direction, thereby better ensuring the water blocking effect of the guide water shield 113.

[0044] There is a distance between the upwardly extending free end of the diversion and water shield 113 and the inner wall of the outer casing 1 opposite thereto to allow air circulation.

[0045] In this way, the air flow blown by the evaporating fan 32 toward the evaporator 31 undergoes heat exchange through the evaporator 31, flows over the guide water shield 113, bypasses the spacing space between the free end of the guide water shield 113 and the inner wall of the relative outer machine shell 1, and then flows out from the internal air outlet channel 112, effectively ensuring the smooth flow of the internal circulation air duct.

[0046] The cross section of the flow guide and water shield 113 is arc-shaped, with the convex side facing the evaporator 31 .

[0047] In this way, the inner circulation air duct portion between the upper portion of the inner air outlet channel 112 and the diverter and water shield 113 has more space. When the air bypasses the space between the free end of the diverter and water shield 113 and the inner wall of the outer housing 1 and enters the inner circulation air duct portion between the upper portion of the inner air outlet channel 112 and the diverter and water shield 113, the diverter and water shield 113 has a concave inner arc shape, which is also conducive to guiding the air to the inner air outlet channel 112 below.

[0048] The upward extension height of the flow guide and water shield 113 is not less than 1 / 2 of the height of the evaporator 31 .

[0049] In this way, the water blocking effect and the air circulation effect below the diversion and water blocking cover 113 are guaranteed.

[0050] Among them, the inner surface of the bottom wall of the outer casing 1 on the side of the diversion water shield 113 facing the evaporator 31 gradually rises in the direction away from the diversion water shield 113, forming an inclined surface 117. The evaporator 31 is located above the inclined surface 117 to receive the condensed water and guide it to the water receiving level 116. It can be understood that the water retaining ring 115 and the two ends of the diversion water shield 113 are spaced apart from the inner wall of the refrigeration side 300, forming a channel for the condensed water to flow from the inclined surface 117 to the water receiving level 116. The evaporator 31 can be installed in the refrigeration side 300 horizontally in the length direction and vertically in the width direction, but it is preferred that the evaporator 31 be inclined toward the side of the diversion water shield 113. The airflow blown out by the evaporating fan 32 toward the evaporator 31 can flow smoothly through the evaporator 31 and undergo heat exchange, thereby ensuring the air flow effect.

[0051] Specifically, the evaporator 31 is tilted 5-15 degrees relative to the vertical and is perpendicular to the inclined surface 117. Although the evaporator 31 is placed in a fixed position higher than the base of the diversion and water shield 113, the highest point of the diversion and water shield 113 is generally not lower than the vertical middle position of the evaporator 31, effectively ensuring the water blocking effect.

[0052] Please continue to see Figure 7 and Figure 10 In this embodiment, the outer housing 1 includes an air conditioning base plate 11 and an air conditioning cover 12 that is snap-fitted to the air conditioning base plate 11. The air conditioning cover 12 is snap-fitted to the air conditioning base plate 11 and fastened by screws spaced around it. The heat dissipation component 2 and the compressor 5 are both mounted on the air conditioning base plate 11. The evaporator 31 and the evaporation fan 32 are also installed on the air conditioning base plate 11. The inner air inlet channel 111 and the inner air outlet channel 112 are both opened on the air conditioner base plate 11. The inner air inlet channel 111 is located below the evaporation fan 32. The guide channel 114 is opened on the air conditioner base plate 11 .

[0053] Please continue to see Figure 5 and Figure 7 , wherein the air conditioner base plate 11 is connected to an evaporator cover 61, and the partition structure 6 is formed by the evaporator cover 61. The evaporator cover 61 is snap-fitted to the air conditioner base plate 11 and fastened by screws spaced around it. The compressor 5 is located outside the evaporator cover 61, and the internal space of the evaporator cover 61 is the cooling side 300. Figure 8 and Figure 21A notch is provided on one side of the evaporator outer cover 61 for connecting the inlet and outlet of one side of the evaporator 31 to a 90-degree H-shaped expansion valve 311, and the inlet and outlet refrigerant pipes 4 are connected through the 90-degree H-shaped expansion valve 311, which can save lateral space and avoid the refrigerant pipe 4 being directly connected and then bent backward, which requires a larger lateral space size.

[0054] Please continue to see Figure 7 and Figure 12 The heat dissipation component 2 includes a condenser 21 and a condenser heat dissipation fan 22. The condenser heat dissipation fan 22 is installed on a fan cover 23 and is fixedly connected to the air conditioner base plate 11 through the fan cover 23. The condenser 21 is fixedly connected to the fan cover 23; the indoor unit 200 includes an inner machine housing 211, an air outlet air guide foam tube 7, an inner air inlet 212, an inner air outlet 213 and a control panel 214.

[0055] Evaporator 31 utilizes a double-layer parallel flow core; its length is 440 mm, height is 115 mm, and thickness is 32 mm. Its volume is three-fifths that of existing expansion-tube cores. To ensure versatility, the outer dimensions of evaporator 31 remain unchanged. For installation in a small cab with low cooling capacity requirements, evaporator 31 utilizes 12 widely spaced flat tubes, achieving a cooling capacity of 1800 W in a small space. For installation in a larger cab with high cooling capacity requirements, evaporator 31 utilizes 15 closely spaced flat tubes, achieving a cooling capacity of 2600 W in a larger space.

[0056] The evaporation fan 32 adopts a double-axis centrifugal fan, which can be seen in Figure 9 and Figure 10 The air conditioning base plate 11 is integrated with the lower half of the evaporation fan 32, that is, the lower half of the double lower volute and the motor mounting base, which are all integrally injection molded on the air conditioning base plate 11. Figure 13 and Figure 14 The two upper volutes and the fixed upper cover corresponding to the upper half of the motor mounting base are integrally formed on the evaporator cover 61. The evaporator 31 is also provided with two fixed positions at the lower end at both ends of the inclined surface 117 of the air conditioning base plate 11. The evaporator cover 61 is integrated with a fixing slot for the upper end of the evaporator 31. The evaporator 31 and the evaporating fan 32 are first placed on the air conditioning base plate 11. When the evaporator cover 61 is fixed to the air conditioning base plate 11 with a number of screws spaced around it, the evaporator 31 and the evaporating fan 32 are both fastened and fixed in the cooling side 300. The internal circulation channel is formed in the evaporator cover 61, which has a good sealing effect. The gap between the lower and upper volutes forms an air intake space, which can be seen in the figure. Figure 9 The arrows in the figure indicate that this will promote the balance of wind pressure on both sides and reduce noise.

[0057] When implementing, please refer to Figure 5 、 Figure 21 and Figure 22 , the inner air outlet channel 112 is located at the front, the inner air inlet channel 111 is located behind the inner air outlet channel 112, the compressor 5 is located behind the evaporator outer cover 61, the condenser 21 is located behind the compressor 5, and the condenser cooling fan 22 is at the rear, arranged front to back. The weight of the compressor 5 is much greater than that of other components. The compressor 5 is installed in the middle position on the air conditioner base plate 11. Only with this layout can the center of gravity of the entire all-in-one machine be balanced and the vibration resistance be strong. In other words, specifically with respect to the structure of the air conditioner base plate 11, the air conditioner base plate 11 is provided with an inner air inlet channel 111 and an inner air outlet channel 112. The air conditioner base plate 11 is also provided with an evaporator mounting position 101, an evaporator fan mounting position 102, a compressor mounting position 103, and a heat dissipation component mounting position 104. The compressor mounting position 103 and the heat dissipation component mounting position 104 are the bosses and holes on the air conditioner base plate 11, so that the corresponding components can be placed and connected by bolting. In the front and rear directions of the air-conditioning base plate 11, the inner air outlet channel, the evaporator mounting position, the evaporating fan mounting position, the compressor mounting position and the heat dissipation component mounting position are arranged in sequence from front to back, and the front and rear positions of the inner air inlet channel correspond to the evaporating fan mounting position; on the air-conditioning base plate 11, the deflector and water shielding cover is arranged between the inner air outlet channel and the evaporator mounting position; the air-conditioning base plate 11 is also provided with a circle of evaporator outer cover snap-fit grooves, and the inner air inlet channel, the deflector and water shielding cover, the inner air outlet channel, the evaporator mounting position and the evaporating fan mounting position are all located in the evaporator outer cover snap-fit grooves.

[0058] It can be understood that in order to facilitate the operation of the heat dissipation component 2, the air conditioner cover 12 is symmetrically provided with external air inlets 121 on both side walls, and two external air outlets 122 corresponding to the two condenser heat dissipation fans 22 are provided on the rear wall of the outer shell 1. Figure 3 and Figure 6 During operation, the two condenser cooling fans 22 rotate, and air enters from the external air inlets 121 on the two sides of the air conditioner outer cover 12. The air is sucked into the high-temperature and high-pressure condenser by the fan blades driven by the motors of the two condenser cooling fans 22 for heat dissipation, achieving excellent heat dissipation effect, thereby meeting the cooling capacity and heat exchange requirements of vehicles of different sizes synchronously.

[0059] Compressor 5 is an electric compressor, either a scroll compressor or a rotary compressor. If the capacity or power generation of the vehicle's battery is insufficient to support the power consumption of compressor 5, an external mechanical compressor can be used. Simply run a branch refrigerant pipe from the low-pressure pipe of the evaporator 31 and the intake pipe of the condenser 21, and connect it to the mechanical compressor to create a dual-purpose structure. This is very suitable for installation in vehicles with limited space.

[0060] The condenser 21 is installed in the heat dissipation side 400 with its length direction horizontal and its width direction vertical. The condenser 21 is fixed to the fan housing 23 through two ears 24 at both ends. The fan housing 23 is fixed to the support mounting point 119 designed for the air conditioner base plate 11 through two connection points at both ends. Figure 10 and Figure 16 In order to reduce the volume, the condenser cooling fan 22 adopts a small-diameter ultra-thin motor design. The condenser 21 adopts a double-layer design, which reduces the space size by half. The condenser cooling fan 22 with double fan blades intelligently controls the speed and heat dissipation air volume to adapt to the heat exchange required for large and small cabs and space cooling. Specifically, the condenser 21 adopts a double-layer flat tube, and the smallest D-shaped manifold and the liquid filter device are welded as a whole. It is not a so-called "double-layer condenser" realized by series connection of two identical models on the market. The length of the condenser is 540mm and the height is 200mm; the height limit is reasonable, which effectively controls the overall height size of the top-type integrated electromechanical air-conditioning outdoor unit 100 that is common to multiple models and has good applicability. In general, the length and width of the outer casing do not exceed 3 times the height.

[0061] See Figure 10 and Figure 11 The guide channel 114 is symmetrically arranged on the air-conditioning base plate 11. An intermediate water level 118 is provided on the air-conditioning base plate 11. The condensed water is discharged to the intermediate water level 118. Both are configured (or grooved) by the raised partitions on the inner wall of the air-conditioning base plate 11 to form the guide channel 114 and the intermediate water level 118. The evaporator cover buckling groove on the aforementioned air-conditioning base plate 11 is also formed (or grooved) by the raised partitions on the air-conditioning base plate 11. The relatively low position within the inner partition of the evaporator cover buckling groove is the water receiving level 116. The partition forming the evaporator cover buckling groove and the corresponding position buckled with the edge of the evaporator cover 61 are correspondingly provided with a notch. The partition forming the guide channel 114 is connected to the notch, so that the guide channel 114 is connected to the water receiving level 116. The middle water level 118 is located vertically at the installation position of the compressor 5, below the compressor 5 and in front of the condenser 21, so that it can be used for cooling in a high-temperature environment. Under the attraction of the dual fans of the condenser cooling fan 22, the hot air passes through the cold air above the middle water level 118, which is beneficial for cooling the condenser 21. The accumulated condensed water can also cool the compressor, reduce the heat load of the compressor 5, and achieve energy-saving effect.

[0062] Here is another introduction to the flow of condensed water. Inside the evaporator cover 61, a diversion water shield 113 is set under the blowing refrigeration cycle; during operation: 1. Part of the condensed water of the evaporator 31 naturally drips onto the inclined surface 117 due to gravity, flows from the gap between the two ends of the diversion water shield 113 and the evaporator cover 61 to the water receiving level 116, and is then discharged from the diversion channel 114; 2. The condensed water carried away by the air flowing through the evaporator 31 falls on the side of the diversion water shield 113 facing the evaporator 31, flows down naturally along the curved surface, flows from the gap between the two ends of the diversion water shield 113 and the evaporator cover 61 to the water receiving level 116, and is then discharged from the diversion channel 114; 3. The condensed water formed on the inner wall of the evaporator cover 61 due to the temperature difference will also naturally flow down and flow to the water receiving level 116, and then be discharged from the diversion channel 114. The diversion channel 114 extends rearward. After the condensed water is discharged from the cooling side through the diversion channel 114, it flows along the diversion channel 114 and flows through the intermediate sinking level 118. The condensed water may be completely used for cooling at the intermediate sinking level 118 and exhausted, and no further drainage is required. The diversion channel 114 continues to extend rearward symmetrically behind the intermediate sinking level 118, and a low-level drainage hole 1141 is opened at the rear end of the air conditioner base plate 11. The opening height of the low-level drainage hole 1141 is flush with the bottom wall height of the diversion channel 114 and the intermediate sinking level 118, so that the condensed water can be further drained if it is not exhausted after being used for cooling at the intermediate sinking level 118. In addition, a high-level drainage hole 1142 is provided at the front position of the guide channel 114, penetrating the air-conditioning base plate 11. The opening height of the high-level drainage hole 1142 is higher than the bottom wall of the guide channel 114, and lower than the height of the partition forming the guide channel 114. When the condensed water level in the guide channel 114 is too high (including when the vehicle is tilted forward), the high-level drainage hole 1142 participates in drainage and plays a function similar to an "overflow hole", ensuring that the condensed water can always be effectively discharged.

[0063] During installation, a corresponding mounting hole is opened on the cab roof. The horizontal and vertical dimensions of the mounting hole are smaller than those of the indoor unit 200. The bottom surface of the air-conditioning base plate 11 of the outdoor unit 100 is in contact with the upper surface of the cab roof. On the upper surface of the cab roof, a necessary annular sealing gasket is provided between the periphery of the mounting hole and the bottom surface of the air-conditioning base plate 11 to prevent water seepage. The inner air inlet channel 111 and the inner air outlet channel 112 on the air-conditioning base plate 11 are both located at the position of the mounting hole and are connected to the mounting hole. The inner housing 211 of the indoor unit 200 is in the cab and is buckled and mounted on the lower surface of the cab roof, covering the mounting through hole. The upper surface of the inner housing 211 is in contact with the lower surface of the cab roof, and the screw (not shown in the figure) connected and extending from the air conditioning base plate 11 can be seen. Figure 15, through the multiple bolt connection points 216 designed on the inner shell 211, connect the nuts from the bottom, and tighten the indoor unit 200 and the outdoor unit 100 to the cab roof. The inner air inlet 212 on the inner shell 211 is located below and connected to the inner air inlet channel 111, and the inner air outlet 213 on the inner shell 211 is located below and connected to the inner air outlet channel 112. In order to effectively separate the inlet and outlet air of the inner circulation channel, a partition plate 215 is provided on the inner side of the inner shell 211, between the inner air inlet 212 and the inner air outlet 213, as shown in FIG. Figure 15 Since the installation through hole also has a certain length (i.e. the thickness of the cab roof), in order to avoid the cross-flow of air in and out in the installation through hole, the inner air outlet channel 112 of the air-conditioning base plate 11 and the inner air outlet 213 of the inner housing 211 are connected and communicated through the air outlet air guide foam tube 7 in the installation through hole, which effectively separates the air in and out. The air outlet air guide foam tube 7 can be a tube with its upper and lower ends sleeved on the outside of the corresponding end channel, or it can be embedded on the inside of the corresponding end channel. The air outlet air guide foam tube 7 is prepared in accordance with actual installation needs. The material of the air outlet air guide foam tube 7 is a lightweight material such as a foam board. It can be a whole or can be spliced together on four sides. Of course, in order to simplify the structure, the air outlet air guide foam tube 7 can also leave only one side, that is, the side extending from the top of the partition plate 215, which can play the role of separating the internal circulation air in and out.

[0064] Synchronous reference Figures 17-20 , and the existing patent application CN112078329A, about the comparison of external dimensions: The other products in the comparative examples above represent existing roof-mounted parking air conditioners. These are characterized by their large size and weight, making them recommended only for use when parked with a dedicated battery. Hence, they are called parking air conditioners. During normal driving, the vehicle's built-in air conditioning system is used. If the vehicle's built-in air conditioning system is used after parking, the engine must be kept running to maintain battery power, resulting in high fuel consumption and poor economic efficiency. If a conventional parking air conditioner is used while driving, the vibrations of a 40-kilogram rooftop unit, combined with the vibrations of the vehicle in motion, can be so severe that they can easily damage its internal components. Currently, the internal components of parking air conditioners are typically repurposed from household air conditioners, making them unsuitable for the jarring conditions of driving. Therefore, existing parking air conditioners are also called parking air conditioners.

[0065] Furthermore, current parking air conditioners, designed to meet the cooling needs of heavy trucks, are bulky and heavy, making them unsuitable for small trucks, three-wheeled electric vehicles, battery-powered vehicles, and other similar vehicles. Customers are eager for a versatile, all-in-one unit that is compact, lightweight, and capable of meeting the cooling needs of both large and small vehicles, suitable for both driving and parked use. The multi-vehicle roof-mounted all-in-one electric air conditioner of this application meets these needs. Its compact size, lightweight, and cooling capacity meet the cooling needs of both large and small vehicles, suitable for both driving and parked use, and its intelligent variable frequency control technology ensures low cost and simple installation, allowing one person to install it on the roof.

[0066] If heating is required, the evaporator fins can be removed and a PTC heater installed in the gap. This allows switching between cooling and heating functions without occupying the evaporator space. Alternatively, the PTC can be installed separately in the air outlet duct. This is particularly suitable for small cabs. Large vehicles require more heating power, making PTC unsuitable, but existing parking heaters are available.

[0067] As an alternative, see Figure 23 and Figure 24 The two upper volutes and the fixed upper cover corresponding to the upper half of the motor mounting base are injection molded separately and are no longer integrally molded on the evaporator cover 61. During assembly, after installing the evaporating fan 32, it is first fastened and connected to the air conditioner base plate 11, and then fastened and connected to the evaporator cover 61 to form a partition structure. In this form, the shape of the evaporator cover 61 is regular and flat, which makes it convenient to stick insulation material on the outer surface of the evaporator cover 61.

[0068] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and are not limiting. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention may be modified or replaced by equivalents without departing from the purpose and scope of the technical solutions of the present invention, which should all be included in the scope of the claims of the present invention.

Claims

1. A roof-mounted integrated electromechanical air conditioner applicable to multiple vehicle models, characterized by: Includes outdoor unit and indoor unit; The outdoor unit includes an external housing, which includes an air-conditioning base plate and an air-conditioning outer cover; a cooling component including an evaporator and an evaporating fan; a heat dissipation component including a condenser, a condenser heat dissipation fan and a fan cover; air-conditioning pipes and a compressor; a partition structure is further provided to separate the heat dissipation component and the cooling component, so that the space portion in the external housing where the cooling component is located forms a cooling side, and the space portion in the external housing where the heat dissipation component is located forms a heat dissipation side; the evaporator, the evaporating fan, the compressor, the condenser, the condenser heat dissipation fan and the fan cover are sequentially arranged in the front-to-back direction of the external housing; The length and width of the outer casing shall not exceed 3 times the height; An inner air inlet channel and an inner air outlet channel are provided on the outer casing on the cooling side, and the inner air inlet channel, the inner air outlet channel and the inner space of the outer casing on the cooling side form an inner circulation air duct; in the inner circulation air duct, the evaporating fan and the evaporator are arranged in sequence according to the air flow direction from the inner air inlet channel to the inner air outlet channel, the evaporating fan draws air from the inner air inlet channel and blows it toward the evaporator, and the air flows through the evaporator and then flows out from the inner air outlet channel, so as to form a refrigeration cycle in the form of blowing air; A water diversion shield is provided inside the outer housing. The water diversion shield is located between the inner air outlet channel and the evaporator. Firstly, it is used to prevent the air flowing through the evaporator from bringing the condensed water on the evaporator into the inner air outlet channel; secondly, it divides the condensed water on the evaporator into two paths. A diversion channel for draining out the condensed water in the refrigeration side is provided on the outer casing; the diversion channel is symmetrically provided on the air-conditioning base plate, and the condensed water is discharged to the outside of the refrigeration side and the middle sinking level on the air-conditioning base plate, and the middle sinking level is located below the compressor; the diversion channel continues to extend symmetrically backward behind the middle sinking level, and a low-level drainage hole is provided through the rear end of the air-conditioning base plate, and the opening height of the low-level drainage hole is flush with the bottom wall height of the diversion channel and the middle sinking level. In the front position inside the diversion channel, a high-level drainage hole is also provided through the air-conditioning base plate, and the opening height of the high-level drainage hole is higher than the bottom wall of the diversion channel.

2. A roof-mounted integrated electromechanical air conditioner that is universal for multiple vehicle models, characterized by: Includes outdoor unit and indoor unit; The outdoor unit includes an external housing, a heat dissipation component, a refrigeration component, and a compressor connected to the heat dissipation component and the refrigeration component via a refrigerant pipe. The external housing is provided with a partition structure that separates the heat dissipation component from the refrigeration component, so that the space portion of the external housing where the refrigeration component is located forms a cooling side, and the space portion of the external housing where the heat dissipation component is located forms a heat dissipation side. An inner air inlet channel and an inner air outlet channel are provided on the outer shell of the cooling side, and the inner air inlet channel, the inner air outlet channel and the inner space of the outer shell of the cooling side form an inner circulation air duct; The refrigeration component includes an evaporator and an evaporation fan. The evaporation fan and the evaporator are sequentially arranged in the inner circulation air duct according to the air flow direction from the inner air inlet channel to the inner air outlet channel. The evaporation fan draws air from the inner air inlet channel and blows it toward the evaporator. After passing through the evaporator, the air flows out from the inner air outlet channel to form a refrigeration cycle in the form of blowing air. The heat dissipation component includes a condenser and a condenser heat dissipation fan; in the front-to-back direction of the outer shell, the evaporator, the evaporation fan, the compressor, the condenser and the condenser heat dissipation fan are arranged in sequence; A water guide shield is provided inside the outer housing, and is located between the inner air outlet channel and the evaporator to prevent the air flowing through the evaporator from bringing the condensed water on the evaporator into the inner air outlet channel; The outer shell is provided with a guide channel for guiding the condensed water in the refrigeration side.

3. The roof-mounted integrated electric air conditioner applicable to multiple vehicle types according to claim 2, characterized in that: The evaporator adopts a double-layer parallel flow core, the length direction of which corresponds to the width direction of the outer shell; The evaporation fan adopts a double-axis centrifugal fan, the axial direction of which corresponds to the width direction of the outer casing; The compressor is an electric compressor, and its axial direction corresponds to the width direction of the outer casing; The condenser adopts a double-layer flat tube structure condenser, the length direction of which corresponds to the width direction of the external unit casing and the width direction is vertical; the condenser and the condensing and cooling fan are installed in the external unit casing through a fan cover, and the condensing and cooling fans are two arranged side by side along the length direction of the condenser and are driven by two small-diameter ultra-thin motors respectively.

4. The roof-mounted integrated electric air conditioner applicable to multiple vehicle types according to claim 2, characterized in that: The inner air outlet channel is located on a side of the evaporator away from the evaporating fan.

5. The roof-mounted integrated electric air conditioner applicable to multiple vehicle types according to claim 4, characterized in that: The inner air outlet channel is opened on the bottom wall of the outer shell, and the edge of the inner air outlet channel on the cooling side is higher than the position where the guide channel communicates with the cooling side; The deflector and water shield protrusion is formed on the inner surface of the bottom wall of the outer shell, and extends upward and toward the inner air outlet channel, so that the evaporator condensate brought out by the air flowing through the evaporator falls on the side of the deflector and water shield away from the inner air outlet channel.

6. The roof-mounted integrated electric air conditioner applicable to multiple vehicle types according to claim 5, characterized in that: The inner air outlet channel is extended in the length direction of the evaporator, the length of the guide water shield is greater than the extension length of the inner air outlet channel, and both ends extend beyond the inner air outlet channel.

7. The roof-mounted integrated electric air conditioner applicable to multiple vehicle types according to claim 6, characterized in that: The edge of the inner air outlet channel protrudes toward the inner side of the outer shell to form a circle of water retaining ring, and the straight section of the water retaining ring close to the evaporator side continues to extend upward to form the deflector water retaining cover.

8. The roof-mounted integrated electric air conditioner applicable to multiple vehicle types according to claim 5, characterized in that: The upwardly extending free end of the diversion and water shield completely covers the upper portion of the inner air outlet channel; There is a distance between the upwardly extending free end of the diversion and water shield and the inner wall of the outer casing opposite thereto to allow air circulation; The cross section of the diversion water shield is arc-shaped, with the convex side facing the evaporator.

9. The roof-mounted integrated electric air conditioner applicable to multiple vehicle types according to claim 7, characterized in that: The inner surface of the bottom wall of the outer casing on the side of the guide water shield facing the evaporator gradually rises in a direction away from the guide water shield to form an inclined surface, and the evaporator is located above the inclined surface.

10. The roof-mounted integrated electric air conditioner applicable to multiple vehicle types according to claim 9, characterized in that: The evaporator is tilted toward the water guide shield.

11. The roof-mounted integrated electric air conditioner applicable to multiple vehicle types according to claim 5, characterized in that: The outer housing includes an air conditioning base plate and an air conditioning cover that is buckled and connected to the air conditioning base plate. The heat dissipation component and the compressor are both mounted on the air conditioning base plate. The evaporator and evaporation fan are also installed on the air conditioner base plate. The internal air inlet and outlet channels are both opened on the bottom plate of the air conditioner. The inner air inlet channel is located below the evaporating fan. The guide channel is opened on the air conditioner bottom plate.

12. The roof-mounted integrated electric air conditioner applicable to multiple vehicle types according to claim 11, characterized in that: An evaporator cover is connected to the air conditioner base plate, and the partition structure is formed by the evaporator cover. The compressor is located outside the evaporator cover.

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