CN112923611A

CN112923611A - Evaporation device of vehicle air conditioner and commercial locomotive

Info

Publication number: CN112923611A
Application number: CN202110196882.3A
Authority: CN
Inventors: 纪旭日; 李明洋; 王振宝; 陈超; 候庆林; 卢甲甲
Original assignee: Hisense Group Holding Co Ltd
Current assignee: Sandian China Automobile Air Conditioning Co ltd
Priority date: 2021-02-22
Filing date: 2021-02-22
Publication date: 2021-06-08

Abstract

The application discloses an evaporation device of a vehicle air conditioner, which comprises a sealed shell, wherein an evaporator is arranged in the sealed shell, the bottom of the evaporator is supported on the bottom wall of the sealed shell, and the top of the evaporator is abutted against the top wall of the sealed shell; the sealed shell is provided with an air inlet at one side of the bottom wall of the sealed shell and an air outlet at the other side of the bottom wall of the sealed shell; the evaporator is obliquely arranged towards one side of the air inlet. The structural design of the evaporation device can increase the windward and heat exchange area of the evaporator, and on the other hand, the top and the bottom of the evaporator can realize uniform heat exchange, so that the overall heat exchange effect is effectively improved. In addition, this application still discloses a commercial locomotive.

Description

Evaporation device of vehicle air conditioner and commercial locomotive

Technical Field

The application relates to the technical field of air conditioners, in particular to an evaporation device of an air conditioner for a vehicle. The application also relates to a commercial locomotive.

Background

Overhead parking air conditioner evaporation system assembly is because of receiving driver's cabin skylight size and the restriction of the whole height of overhead parking air conditioner, evaporation system assembly part size is all smaller usually, there is the evaporation fan evaporation system assembly part inside, the evaporimeter, the air outlet part, the return air inlet part, it will lead to the space to arrange very compactly to contain these four parts in the narrow and small space, the conventional design of evaporimeter is straight-line vertical, evaporimeter overall dimension also can be smaller, the evaporimeter wind field is the lower business turn over, can lead to the wind field that the evaporimeter passes through very inhomogeneous this moment, thereby lead to the whole heat transfer of evaporimeter inhomogeneous, the evaporation effect is poor, reduce whole parking air conditioning system's refrigerating capacity and driver's result of use.

The conventional mode of putting of evaporimeter is vertical placing in overhead parking air conditioner evaporimeter assembly, and the air gets into from the air intake, is sent into the air outlet by evaporating fan behind the evaporimeter, and the wind field through the evaporimeter is mainly concentrated in the bottom part this moment, and the position wind field on evaporimeter top can be very not good, leads to the evaporation effect of evaporimeter top portion can be very poor, and refrigeration effect can worsen. In addition, due to the narrow installation space, the area of the evaporator facing the wind and exchanging heat is small, and therefore the refrigeration effect is also influenced.

Disclosure of Invention

The technical problem that this application will solve is for providing a vehicle air conditioner's evaporation plant, and this evaporation plant's structural design can increase the windward and the heat transfer area of evaporimeter on the one hand, and on the other hand can make the top and the bottom of evaporimeter realize even heat transfer to effectively improve holistic heat transfer effect. In addition, another technical problem to be solved by the present application is to provide a commercial locomotive.

In order to solve the technical problem, the present application provides an evaporation device of a vehicle air conditioner, the evaporation device includes a sealed housing, an evaporator is disposed inside the sealed housing, a bottom of the evaporator is supported on a bottom wall of the sealed housing, and a top of the evaporator abuts against a top wall of the sealed housing;

the sealed shell is provided with an air inlet at one side of the bottom wall of the sealed shell and an air outlet at the other side of the bottom wall of the sealed shell; the evaporator is obliquely arranged towards one side of the air inlet.

In one embodiment, the bottom wall of the sealed enclosure is formed with a water-receiving tray of generally U-shaped cross-section in which the bottom of the evaporator is supported.

In one specific embodiment, a first support section and a second support section protrude from the interior of the water receiving tray frame, the height of the second support section is smaller than that of the first support section, and the second support section is positioned on one side, close to the air inlet, of the first support section;

the bottom of the evaporator is obliquely supported on the first support section and the second support section.

In one embodiment, the water receiving tray is internally provided with a splash guard positioned below the inclined length side of the evaporator.

In one embodiment, the bottom of the evaporator abuts against the top wall of the sealed housing through a gasket.

In one embodiment, the evaporator is inclined at an angle of less than or equal to 25 °.

In a specific embodiment, the evaporator further includes an evaporator fixing frame, and an end portion of the evaporator is fixed to the bottom wall of the sealed housing through the evaporator fixing frame.

In a specific embodiment, a fixed end plate is arranged at an end of the evaporator, and the evaporator is fixedly connected with the evaporator fixing frame through the fixed end plate.

In a specific embodiment, the evaporator fixing frame comprises a right-angle triangular support, the length side of the evaporator is supported by a hypotenuse support of the right-angle triangular support, and the right-angle triangular support is supported and fixed on the bottom wall of the sealed shell by a right-angle side support of the right-angle triangular support.

In one embodiment, the bevel bracket is further connected with a bevel support portion for supporting a corresponding length side of the evaporator.

In one embodiment, an end of the slope supporting part is protruded beyond a length side of the evaporator so that the fixed end plate is fixedly coupled to the end of the slope supporting part by a screw.

In a specific embodiment, a positioning column is arranged on the bottom wall of the sealing shell, and the right-angle side support is provided with a positioning hole matched with the positioning column; the right-angle side support is further fixedly connected to the bottom wall of the sealed shell through screws.

In addition, in order to solve the above technical problem, the present application further provides a commercial locomotive, including a sunroof; the commercial locomotive further comprises an air conditioner evaporation device for the vehicle, which is described in any one of the above; the evaporation device is arranged outside the skylight through the sealed shell, and the air inlet and the air outlet are arranged opposite to the skylight.

The technical effects of the embodiments of the present application are described below:

in one embodiment, the application provides an evaporation plant of vehicle air conditioner, evaporation plant includes sealed enclosure, sealed enclosure's inside is equipped with the evaporimeter, the bottom support of evaporimeter in sealed enclosure's diapire, the top butt of evaporimeter in sealed enclosure's roof. It should be noted that the bottom wall portion of the sealed housing, i.e., the portion providing support for the evaporator, may be another component separate from the sealed housing or may be an integral part of the sealed housing.

In prior art, because the conventional mode of putting of evaporimeter is vertical in the overhead parking air conditioner evaporimeter assembly, the air gets into from the air intake, is sent into the air outlet by the evaporation fan behind the evaporimeter, and the wind field through the evaporimeter is mainly concentrated in the bottom part this moment, and the position wind field on evaporimeter top can be very not good, leads to the evaporation effect of evaporimeter top portion can be very poor, and refrigeration effect can worsen. In addition, due to the narrow installation space, the area of the evaporator facing the wind and exchanging heat is small, and therefore the refrigeration effect is also influenced.

In the invention, because the evaporator is obliquely arranged, the evaporator is obliquely arranged instead of being vertically arranged, condensed water on the fins is prevented from dropping into the cab due to bumping in the running process of a vehicle, the inclination angle is generally not more than 25 degrees, the vertical direction size of the evaporator can be increased by the evaporator placing method, the effect of increasing the heat exchange area is achieved, the windward area of the evaporator can be increased, the included angle between the evaporator and the wind field is increased, the wind field passing through the evaporator is greatly improved, and the whole wind field is greatly superior to the vertically arranged mode.

Suppose when the evaporator is vertically arranged, its height is L, and evaporator inclination is alpha, and the evaporator increases windward area ratio and increases heat transfer area ratio this moment and be: (L/cos α -L) ÷ Lx 100%, taking the α value of 25 ° as an example, the increased frontal area ratio and the increased heat exchange area ratio are: (L/cos 25-L) ÷ Lx100% ═ 11.1%, the evaporator windward area and the heat transfer area all increase 11.1% this moment, again because the whole wind field through the evaporator is improved this moment, the evaporation effect becomes excellent, so the whole refrigeration effect of evaporation system can become better a lot, be favorable to improving the whole refrigerating capacity of air conditioner, the improvement of refrigerating capacity can make cooling speed faster, thereby reach better cooling effect, improve the result of use of air conditioner.

In conclusion, the structural design of the evaporation device provided by the application can increase the windward and heat exchange area of the evaporator on the one hand, and on the other hand can realize uniform heat exchange at the top and the bottom of the evaporator, so that the overall heat exchange effect is effectively improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.

Fig. 1 is a simplified structural schematic diagram of an evaporation apparatus of an air conditioner for a vehicle according to an exemplary embodiment of the present application;

fig. 2 is a schematic physical structure view of an evaporation apparatus of the vehicle air conditioner of fig. 1;

FIG. 3 is an exploded view of the vehicle air conditioner of FIG. 2;

FIG. 4 is a schematic view of an evaporator and an evaporator fixing frame of the vehicle air conditioner of FIG. 3;

FIG. 5 is a schematic view illustrating an installation structure of an evaporator mount of the vehicle air conditioner of FIG. 3;

fig. 6 is a schematic view showing a structure in which an evaporator of the air conditioning device for vehicles of fig. 3 is mounted to a bottom wall of a hermetic case.

Wherein, the corresponding relations between the component names and the reference numbers in fig. 1 to fig. 6 are as follows:

a sealed shell 100, an air inlet 101, an air outlet 102,

Evaporator 200, gasket 201;

the water receiving tray frame 300, the first support section 301, the second support section 302 and the splash-proof component 303;

the evaporator fixing frame 400, a right-angle side bracket 401, a bevel side bracket 402 and a bevel supporting part 403; a positioning hole 404 and a second fixing hole 405;

a fixed end plate 500, a first fixed hole 501;

a base 600;

the skylight 700.

Detailed Description

In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention.

In some of the flows described in the present specification and claims and in the above figures, a number of operations are included that occur in a particular order, but it should be clearly understood that these operations may be performed out of order or in parallel as they occur herein, with the order of the operations being indicated as 101, 102, etc. merely to distinguish between the various operations, and the order of the operations by themselves does not represent any order of performance. Additionally, the flows may include more or fewer operations, and the operations may be performed sequentially or in parallel. It should be noted that, the descriptions of "first", "second", etc. in this document are used for distinguishing different messages, devices, modules, etc., and do not represent a sequential order, nor limit the types of "first" and "second" to be different.

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 6, fig. 1 is a simplified structural schematic diagram of an evaporation device of an air conditioner for a vehicle according to an exemplary embodiment of the present application; fig. 2 is a schematic physical structure view of an evaporation apparatus of the vehicle air conditioner of fig. 1; FIG. 3 is an exploded view of the vehicle air conditioner of FIG. 2; FIG. 4 is a schematic view of an evaporator and an evaporator fixing frame of the vehicle air conditioner of FIG. 3; FIG. 5 is a schematic view illustrating an installation structure of an evaporator mount of the vehicle air conditioner of FIG. 3; fig. 6 is a schematic view showing a structure in which an evaporator of the air conditioning device for vehicles of fig. 3 is mounted to a bottom wall of a hermetic case.

In an embodiment, as shown in fig. 1 and 2, the evaporation apparatus of the air conditioner for the vehicle provided by the present application includes a sealed enclosure 100, an evaporator 200 is disposed inside the sealed enclosure 100, a bottom of the evaporator 200 is supported on a bottom wall of the sealed enclosure 100, and a top of the evaporator 200 abuts on a top wall of the sealed enclosure 100. It should be noted that the bottom wall portion of the sealed enclosure 100, i.e., the portion for supporting the evaporator 200, may be another component separate from the sealed enclosure 100, or may be an integral part of the sealed enclosure 100. As shown in fig. 2, the hermetic container 100 is supported by a base 600.

As shown in fig. 1 and 2, the sealed housing 100 has an air inlet 101 formed at one side of a bottom wall thereof, and an air outlet 102 formed at the other side of the bottom wall thereof; the evaporator 200 is disposed to be inclined toward one side of the intake port 101.

In the prior art, because the conventional placing mode of the evaporator 200 in the overhead parking air-conditioning evaporator 200 assembly is vertical, air enters from the air inlet 101 and is sent into the air outlet 102 by the evaporation fan after passing through the evaporator 200, at the moment, the air field passing through the evaporator 200 is mainly concentrated on the bottom part, the air field at the top end of the evaporator 200 is poor, the evaporation effect of the top part of the evaporator 200 is poor, and the refrigeration effect is poor. In addition, due to the narrow installation space, the area of the evaporator 200 facing the wind and exchanging heat is small, thereby affecting the cooling effect.

In the invention, because the evaporator 200 is obliquely arranged, the evaporator 200 is obliquely arranged instead of being vertically arranged, condensed water on fins is prevented from dropping into the cab due to bumping in the running process of a vehicle, the inclination angle is generally not more than 25 degrees, the vertical size of the evaporator 200 can be increased by the method for arranging the evaporator 200, the effect of increasing the heat exchange area is achieved, the windward area of the evaporator 200 can be increased, the included angle between the evaporator 200 and the wind field is increased, the wind field passing through the evaporator 200 is greatly improved, and the whole wind field is greatly superior to the vertically arranged mode.

Assuming that the height of the evaporator 200 is L when the evaporator 200 is vertically arranged, after the sealing is performed by the inclined placement method as in fig. 1 and 2, the inclination angle of the evaporator 200 is α, and at this time, the ratio of the area of the evaporator 200 facing the wind and the ratio of the area of the evaporator 200 for heat exchange are increased as follows: (L/cos α -L) ÷ Lx 100%, taking the α value of 25 ° as an example, the increased frontal area ratio and the increased heat exchange area ratio are: (L/cos 25-L) ÷ Lx100% ═ 11.1%, this moment evaporimeter 200 windward area and heat transfer area all increase 11.1%, again because the whole wind field through evaporimeter 200 obtained improving this moment, the evaporation effect becomes excellent, so the whole refrigeration effect of evaporating system can become well a lot, be favorable to improving the whole refrigerating capacity of air conditioner, the improvement of refrigerating capacity can make cooling speed faster, thereby reach better cooling effect, improve the result of use of air conditioner.

To sum up, the structural design of the evaporation device provided by the application can increase the windward and heat exchange area of the evaporator 200 on the one hand, and on the other hand can realize uniform heat exchange at the top and the bottom of the evaporator 200, thereby effectively improving the overall heat exchange effect.

In the above embodiments, further designs may be made. For example, as shown in fig. 2, the bottom wall of the sealed casing 100 is formed with a water receiving tray 300 having a substantially U-shaped cross section, and the bottom of the evaporator 200 is supported in the water receiving tray 300.

In the above structure, the water receiving tray frame 300 can support the evaporator 200 on the one hand and can receive water on the other hand, thereby preventing water drops from dropping into the cab.

Further, as shown in fig. 2, a first support section 301 and a second support section 302 protrude from the inside of the water pan rack 300, the height of the second support section 302 is smaller than that of the first support section 301, and the second support section 302 is located on one side of the first support section 301 close to the air inlet 101; the bottom of the evaporator 200 is supported obliquely on the first and

second support sections

301 and 302.

In the above structure, since two support sections are provided, and the two support sections are higher and lower, the inclined support of the evaporator 200 can be well achieved.

Further, as shown in fig. 2 and 3, a splash guard 303 is provided inside the water tray 300 under the inclined length side of the evaporator 200. The splash guard 303 may be a sponge. In the structure, water in the water receiving tray frame 300 is splashed to the wall surface of the water receiving tray frame 300 due to the reasons of braking, acceleration, bumping and the like, the structure can effectively play a role of buffering, and the water is prevented from leaking into the cockpit from the air outlet 101 or the air inlet 102.

In any of the above embodiments, as shown in fig. 2, the bottom of the evaporator 200 abuts on the top wall of the hermetic container 100 through the gasket 201. Through the sealing gasket 201 and the evaporator 200, the sealing shell 100 is divided into a left part and a right part, so that the air entering from the air inlet 101 enters the right side of the sealing shell 100 after all the air passes through the evaporator 200 for heat exchange, and the heat exchange performance is further improved.

In any of the above embodiments, in order to prevent the water droplets from directly dropping on the evaporator 200, the angle at which the evaporator 200 is inclined may be set to be less than or equal to 25 °, and the design may be such that the water droplets flow down the evaporator 200 instead of dropping in free fall.

In any of the above embodiments, the fixing structure of the evaporator 200 may also be specifically designed.

For example, as shown in fig. 3 to 6, the evaporator 200 further includes an evaporator fixing bracket 400, and an end portion of the evaporator 200 is fixed to the bottom wall of the hermetic container 100 by the evaporator fixing bracket 400. As shown in fig. 4, a fixed end plate 500 is provided at an end of the evaporator 200, and the evaporator 200 is fixedly connected to the evaporator fixing frame 400 via the fixed end plate 500.

In the above structure, when the fixing is performed, the fixing end plate 500 is first fixed to the evaporator 200, and then the fixing end plate 500 is fixed to the evaporator fixing frame 400. Specifically, the fixing end plate 500 is provided with a first fixing hole 501, and screws pass through the first fixing hole 501 to be mounted on the evaporator fixing frame 400.

Specifically, in the above technical solution, the evaporator fixing frame 400 may be specifically designed. For example, as shown in fig. 5 and 6, the evaporator mount 400 includes a right-angled triangular bracket, which supports the lengthwise side of the evaporator 200 with its hypotenuse bracket 402, and is supported and fixed to the bottom wall of the hermetic container 100 with its hypotenuse bracket 401.

In the above structure, a stable triangular support can be provided by the right-angle triangular support. Specifically, the angled leg bracket 402 supports the length of the evaporator 200 on its side and the angled leg bracket 401 is supported and secured to the bottom wall of the hermetic enclosure 100. It should be noted that the side of the evaporation length refers to the side of the evaporator 200 facing the air inlet 101.

Further, as shown in fig. 5 and 6, the bevel bracket 402 is further connected with a bevel support 403, and the bevel support 403 is used for supporting the corresponding length side of the evaporator 200. This structural design enables better support of the evaporator 200.

Further, as shown in fig. 6, the end of the slope supporting part 403 exceeds the length side of the evaporator 200, so that the fixed end plate 500 is fixedly coupled with the end of the slope supporting part 403 by a screw. This kind of structural design can realize the fixed mounting between fixed end plate 500 and inclined plane supporting part 403 very conveniently.

Furthermore, as shown in fig. 6, a positioning column is disposed on the bottom wall of the sealed housing 100, and the right-angle side bracket 401 is provided with a positioning hole 404 matched with the positioning column; the support 401 is further fixedly attached to the bottom wall of the sealed enclosure 100 by screws. In this kind of structure, through the cooperation of reference column and locating hole 404, can very conveniently realize the location between right angle limit support 401 and the sealed enclosure 100 diapire fixed. Specifically, the square-edge bracket 401 is provided with a second fixing hole 405, and the second fixing hole 405 is fixedly mounted on the bottom wall of the sealed housing 100.

In addition, the present application also provides a commercial locomotive comprising a sunroof 700; the commercial locomotive also comprises an air conditioner evaporation device for the vehicle in any one embodiment; the evaporation device is arranged outside the skylight 700 through the sealed shell 100, and the air inlet 101 and the air outlet 102 are arranged opposite to the skylight 700. Other parts of the commercial locomotive may be referred to in the art and will not be described in detail herein.

Reference throughout this specification to "embodiments," "some embodiments," "one embodiment," or "an embodiment," etc., means that a particular feature, component, or characteristic described in connection with the embodiment is included in at least one embodiment. Thus, appearances of the phrases "in various embodiments," "in some embodiments," "in at least one other embodiment," or "in an embodiment," or the like, throughout this specification are not necessarily all referring to the same embodiment. Furthermore, the particular features, components, or characteristics may be combined in any suitable manner in one or more embodiments. Thus, without limitation, a particular feature, component, or characteristic illustrated or described in connection with one embodiment may be combined, in whole or in part, with a feature, component, or characteristic of one or more other embodiments. Such modifications and variations are intended to be included within the scope of the present application.

Moreover, those skilled in the art will appreciate that aspects of the present application may be illustrated and described in terms of several patentable species or situations, including any new and useful combination of processes, machines, manufacture, or materials, or any new and useful improvement thereon. Accordingly, various aspects of the present application may be embodied entirely in hardware, entirely in software (including firmware, resident software, micro-code, etc.) or in a combination of hardware and software. The above hardware or software may be referred to as "data block," module, "" engine, "" terminal, "" component, "or" system. Furthermore, aspects of the present application may be represented as a computer product, including computer readable program code, embodied in one or more computer readable media.

It is to be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that an article or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The above description is merely exemplary of the present application and is presented to enable those skilled in the art to understand and practice the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. The evaporation device of the vehicle air conditioner is characterized by comprising a sealed shell, wherein an evaporator is arranged in the sealed shell, the bottom of the evaporator is supported on the bottom wall of the sealed shell, and the top of the evaporator is abutted against the top wall of the sealed shell;

2. An evaporator unit for a vehicle air conditioner as set forth in claim 1, wherein the bottom wall of the sealed casing is formed with a water receiving tray having a substantially U-shaped cross-sectional shape, and the bottom of the evaporator is supported in the water receiving tray.

3. The evaporation device of air conditioner for vehicle as claimed in claim 2, wherein the inside of the water receiving tray frame is protruded with a first supporting section and a second supporting section, the height of the second supporting section is smaller than that of the first supporting section, and the second supporting section is located at one side of the first supporting section near the air inlet;

4. An evaporator unit for vehicle air conditioners as claimed in claim 3, wherein the water receiving tray is internally provided with a water splash prevention part located below the inclined length side of the evaporator.

5. An air conditioner evaporation apparatus for a vehicle as claimed in any one of claims 1 to 4, wherein a bottom portion of said evaporator abuts against a top wall of said hermetic enclosure through a gasket.

6. An air conditioner evaporating device for a vehicle as claimed in any one of claims 1 to 4, wherein the evaporator is inclined at an angle of 25 ° or less.

7. An air conditioner evaporating unit for vehicle as claimed in any one of claims 1 to 4, wherein said evaporator further includes an evaporator fixing bracket, and an end portion of said evaporator is fixed to a bottom wall of said hermetic case by said evaporator fixing bracket.

8. An air conditioner evaporator unit for vehicle as set forth in claim 7, wherein said evaporator is provided at its end with a fixed end plate, and said evaporator is fixedly connected to said evaporator fixing frame through said fixed end plate.

9. An air conditioner evaporating unit for vehicle as claimed in claim 8, wherein said evaporator mount includes a right-angled triangular bracket, said right-angled triangular bracket supporting the length side of said evaporator with its hypotenuse bracket, said right-angled triangular bracket being supported and fixed to the bottom wall of said sealed housing with its hypotenuse bracket.

10. An air conditioner evaporating unit for vehicle as claimed in claim 9, wherein said inclined bracket is further connected with an inclined support portion for supporting a corresponding length side of said evaporator.

11. An air conditioner evaporating unit for vehicle as claimed in claim 10, wherein the end of the inclined plane supporting part is protruded beyond the length side of the evaporator so that the fixing end plate is fixedly coupled to the end of the inclined plane supporting part by means of a screw.

12. An air conditioner evaporation device for a vehicle as claimed in claim 8, wherein a positioning post is provided on the bottom wall of the sealed housing, and the right-angled side bracket is provided with a positioning hole engaged with the positioning post; the right-angle side support is further fixedly connected to the bottom wall of the sealed shell through screws.

13. A commercial locomotive comprising a sunroof; characterized in that the commercial locomotive further comprises a vehicular air conditioning evaporator unit as claimed in any one of claims 1 to 12; the evaporation device is arranged outside the skylight through the sealed shell, and the air inlet and the air outlet are arranged opposite to the skylight.