CN221429381U - Air conditioning unit for vehicle - Google Patents

Abstract

The utility model discloses an air conditioning unit for a vehicle, which comprises a shell, wherein a condensing cavity and an electric control cavity which are separated are arranged in the shell; the condensing cavity is internally provided with a condensing fan, the electric control cavity is internally provided with an electric control box, the electric control box is provided with a box body air inlet hole and a box body air outlet hole, the electric control cavity is also internally provided with an air guide cover, and two openings of the air guide cover are respectively communicated with the box body air outlet hole and the condensing cavity; under the drive of the condensing fan, the gas in the electric control box can enter the air guide cover through the box body air outlet hole and is guided to the condensing cavity. According to the utility model, the air guide cover communicated with the electric control box and the condensation cavity is arranged, so that the condensation fan can be used as a power driving source for driving gas in the electric control cavity to flow, hot air at the electric control box can be directly pumped away by means of the condensation fan, heat dissipation of the electric control box is realized, and even if a special heat dissipation air machine for the electric control box is not additionally arranged on the shell, the heat dissipation requirement of the electric control box can be met, thereby reducing the cost of an air conditioner unit and the occupied space of equipment.

Description

Air conditioning unit for vehicle

Technical Field

The utility model relates to the technical field of air conditioners, in particular to an air conditioning unit for a vehicle.

Background

The air conditioning unit for the vehicle comprises a shell, wherein a condensing cavity, an electric control cavity and an evaporating cavity are arranged in the shell. Wherein, be provided with automatically controlled box in the automatically controlled chamber, automatically controlled box can produce a large amount of heats in the course of the work, consequently need dispel the heat to automatically controlled box. At present, one heat dissipation mode of the electric control box is that an air inlet and an air outlet which are communicated with the electric control cavity are formed in the outer wall of the electric control cavity, and a heat dissipation fan is additionally arranged at the air outlet so as to lead out hot air to the lower part of an air conditioner base through the heat dissipation fan and further diffuse the hot air to ambient air, so that heat dissipation of the electric control box is realized.

In carrying out the utility model, the inventors have found that there are at least the following problems in the prior art:

In the heat dissipation mode, the additional heat dissipation fan is needed, so that the cost of the air conditioning unit is increased, and the additionally installed heat dissipation fan occupies space.

Disclosure of utility model

In view of the above, an object of the present utility model is to provide an air conditioning unit for a vehicle, which can reduce the cost of the air conditioning unit and reduce the occupied space of equipment.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

The air conditioning unit for the vehicle comprises a shell, wherein a condensing cavity and an electric control cavity which are separated are arranged in the shell; the condensing cavity is internally provided with a condensing fan, the electric control cavity is internally provided with an electric control box, the electric control box is provided with a box body air inlet hole and a box body air outlet hole, the electric control cavity is also internally provided with a wind scooper, and two openings of the wind scooper are respectively communicated with the box body air outlet hole and the condensing cavity;

Wherein: under the drive of the condensing fan, the gas in the electric control box can enter the air guide cover through the box body air outlet hole and is guided to the condensing cavity.

Preferably, the condensation chamber and the electric control chamber are adjacently arranged in the shell and are separated by a first partition; one opening of the air guide cover is communicated with the through hole on the first partition plate and then communicated with the condensation cavity.

Preferably, the bottom plate of the shell is provided with a heat dissipation hole, and the air guide cover is also communicated with the heat dissipation hole.

Preferably, a first vent hole communicated with the electric control cavity is further formed in the side plate of the shell.

Preferably, the side plate of the shell comprises a first side plate and a second side plate which are oppositely arranged, and the first side plate, the second side plate and a plurality of partition plates in the shell are matched to separate the electric control cavity and the condensation cavity; the first side plate and the second side plate are respectively provided with a first ventilation hole, and the first side plate and the second side plate are respectively provided with a second ventilation hole communicated with the condensation cavity.

Preferably, a bottom plate and/or a side plate of the shell are provided with a condensation cavity vent hole communicated with the condensation cavity;

wherein: and under the drive of the condensing fan, external gas can enter the condensing cavity through the condensing cavity vent hole.

Preferably, in the condensation cavity, a plurality of condensation fans are centrally arranged to form a fan set, and two condensers are respectively arranged at two sides of the fan set; the top surface of the condenser gradually inclines downwards along the direction away from the condensing fan; and a top plate of the shell is provided with a condensing cavity air inlet hole opposite to the condenser and a condensing cavity air outlet hole opposite to the condensing fan.

Preferably, an evaporation cavity separated from the condensation cavity and the electric control cavity is arranged in the shell; an evaporation fan is arranged in the evaporation cavity, part of the bottom plate of the shell is of an inclined plate which is obliquely arranged, the inclined plate is positioned below the evaporation cavity, a wind feeding hole is formed in the inclined plate, and a wind opening of the evaporation fan is in butt joint with the wind feeding hole;

Wherein: and under the drive of the evaporation fan, the gas in the evaporation cavity can be obliquely discharged through the air supply hole.

Preferably, an evaporation cavity separated from the condensation cavity and the electric control cavity is arranged in the shell; the bottom plate of casing is located the part of evaporation chamber below sets up the return air hole, be equipped with the filter screen on the return air hole, still be equipped with evaporimeter and gas purifier in the evaporation chamber, external gas is through the return air hole gets into after the evaporation chamber, can pass through earlier gas purifier flows to again the evaporimeter.

Preferably, an evaporation cavity separated from the condensation cavity and the electric control cavity is arranged in the shell; the outside of the shell is also provided with a fresh air valve which is correspondingly communicated with the evaporation cavity;

The fresh air valve is provided with a fresh air fan, and external fresh air can enter the evaporation cavity through the fresh air valve under the driving of the fresh air fan.

Compared with the prior art, the air conditioning unit for the vehicle has the following advantages:

The utility model provides an air conditioning unit for a vehicle, which comprises a shell, wherein a condensing cavity and an electric control cavity which are separated are arranged in the shell; the condensing cavity is internally provided with a condensing fan, the electric control cavity is internally provided with an electric control box, the electric control box is provided with a box body air inlet hole and a box body air outlet hole, the electric control cavity is also internally provided with an air guide cover, and two openings of the air guide cover are respectively communicated with the box body air outlet hole and the condensing cavity; under the drive of the condensing fan, the gas in the electric control box can enter the air guide cover through the box body air outlet hole and is guided to the condensing cavity. According to the air conditioning unit for the vehicle, the air guide cover communicated with the electric control box and the condensation cavity is arranged, so that the condensation fan can be used as a power driving source for driving air in the electric control cavity to flow, hot air at the electric control box can be directly pumped away by means of the condensation fan, heat dissipation of the electric control box is achieved, and even if a special heat dissipation fan for the electric control box is not additionally arranged on the shell, heat dissipation requirements of the electric control box can be met, cost reduction is facilitated, and occupied space of equipment is reduced.

In summary, the air conditioning unit for the vehicle provided by the utility model does not need an additional special cooling fan for the electric control box, so that the cost of the air conditioning unit can be reduced, and the occupied space of equipment can be reduced.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present utility model, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.

FIG. 1 is a top view of an embodiment of an air conditioning unit for a vehicle according to the present utility model after a roof panel is hidden;

FIG. 2 is a schematic view of an embodiment of an air conditioning unit for a vehicle according to the present utility model after a roof is hidden;

FIG. 3 is a schematic diagram showing a gas flow between an electric control chamber and a condensing chamber in an embodiment of an air conditioning unit for a vehicle according to the present utility model;

FIG. 4 is a block diagram of a guide hood portion of an embodiment of an air conditioning unit for a vehicle according to the present utility model;

FIG. 5 is a schematic view showing the flow of air through a portion of a guide hood according to an embodiment of the present utility model;

FIG. 6 is a schematic bottom view of an embodiment of an air conditioning unit for a vehicle according to the present utility model in the electric control chamber and the condensing chamber;

FIG. 7 is a schematic view showing the flow of air at the bottom of the electric control chamber and the condensing chamber in an embodiment of the air conditioning unit for a vehicle according to the present utility model;

FIG. 8 is a schematic top view of an embodiment of an air conditioning unit for a vehicle according to the present utility model in an evaporation chamber portion;

Fig. 9 is a schematic bottom view of an evaporation chamber portion of an embodiment of an air conditioning unit for a vehicle according to the present utility model.

Reference numerals:

the device comprises a shell 1, a bottom plate 11, an inclined plate 111, side plates 12, a first side plate 13, a second side plate 14, a first partition plate 15 and a second partition plate 16;

A condensation cavity 2, a condenser 21, a condensation fan 22, a second ventilation hole 23 and a third ventilation hole 24;

The device comprises an electric control cavity 3, an electric control box 31, a box body air outlet 311, a compressor 32, a gas-liquid separator 33, a fan speed regulating box 34, a first ventilation hole 35, an air guide cover 36, a first cover 361, a second cover 362 and a heat dissipation hole 37;

The air conditioner comprises an evaporation cavity 4, an air purifier 41, a plate heat exchanger 42, a first expansion valve 43, an evaporation fan 44, a PTC heater 45, a second expansion valve 46, an evaporator 47, a fresh air valve 48, a high-pressure junction box 49, a return air hole 410 and an air supply hole 411.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The utility model provides an air conditioning unit for a vehicle, which can reduce the cost of the air conditioning unit and the occupied space of equipment on the basis of meeting the heat dissipation requirement of an electric control box.

The air conditioning unit for the vehicle provided by the utility model can be applied to a tram, more specifically to Yun Ba vehicles (also called rubber-tyred trams), and is generally embedded and installed on the top of a cloud bus. In a first embodiment of the air conditioning unit for a vehicle, referring to fig. 1 to 9, the air conditioning unit for a vehicle includes a housing 1, and the housing 1 may be formed of a top plate, a bottom plate 11, and a plurality of side plates 12 between the top plate and the bottom plate 11 and define an inner cavity.

As shown in fig. 1 and 2, a condensing chamber 2, an electric control chamber 3 and an evaporating chamber 4 which are separated from each other are arranged in a shell 1. Preferably, three cavities of the condensation cavity 2, the electric control cavity 3 and the evaporation cavity 4 are sequentially arranged along the first direction X, the cavities are conveniently divided, the cavities are separated by a plurality of partition boards, specifically, the condensation cavity 2 and the electric control cavity 3 are separated by a first partition board 15, and the electric control cavity 3 and the evaporation cavity 4 are separated by a second partition board 16. Of course, in other embodiments, the condensation chamber 2, the electric control chamber 3, and the evaporation chamber 4 may be arranged in the housing 1 in other manners, such as a triangular arrangement.

As shown in fig. 2, a condensing fan 22 and a condenser 21 are provided in the condensing chamber 2. The electric control cavity 3 is provided with a compressor 32, an electric control box 31, a gas-liquid separator 33 and a fan speed regulating box 34. The evaporation chamber 4 is provided with an evaporation fan 44, an evaporator 47, a first expansion valve 43, and a second expansion valve 46. In this embodiment, two condensers 21 and two evaporators 47 are respectively provided, and the compressor 32, the two condensers 21, the first expansion valve 43, the second expansion valve 46, and the two evaporators 47 are connected by a pipeline to form a main refrigeration circuit for satisfying the cooling requirement in the vehicle, and of course, the air conditioning unit for the vehicle also has a heating function, and a four-way reversing valve needs to be added, and the connection mode refers to the prior air conditioning technology.

As shown in fig. 3 to 5, the electronic control box 31 is provided with a box body air inlet hole and a box body air outlet hole 311. Wherein, the box body air inlet hole can be arranged in the electric control cavity 3 for air in the electric control cavity 3 to enter the electric control box 31, or the box body air inlet hole can be directly connected with the opening on the shell 1. The electric control cavity 3 is also provided with a wind scooper 36, and two openings of the wind scooper 36 are respectively communicated with the box body wind outlet 311 and the condensation cavity 2. Wherein: under the driving of the condensing fan 22, the gas in the electric control box 31 can enter the air guide cover 36 through the box body air outlet 311 and is guided to the condensing cavity 2. Preferably, the electric control box 31 is provided with a box body cooling fan, and the box body cooling fan can exhaust hot air of the electric control box 31 through the box body air outlet 311.

In this embodiment, by providing the air guiding cover 36 that communicates the electric control box 31 and the condensation chamber 2, the condensation fan 22 can be used as a power driving source for driving the air in the electric control chamber 3 to flow, so that the hot air at the electric control box 31 can be directly pumped away by means of the condensation fan 22 to realize the heat dissipation of the electric control box 31, and even if the special heat dissipation fan for the electric control box 31 is not additionally arranged in the casing 1, the heat dissipation requirement of the electric control box 31 can be met, which is beneficial to reducing the cost and the occupied space of the equipment.

In summary, the air conditioning unit for the vehicle provided by the utility model does not need an additional special cooling fan for the electric control box, so that the cost of the air conditioning unit can be reduced, and the occupied space of equipment can be reduced.

Further, as shown in fig. 5, an opening of the air guiding cover 36 is connected to the through hole on the first partition plate 15, and then connected to the condensation chamber 2, so that the structure is simple, the assembly is convenient, and the occupied space of the air guiding cover 36 in the condensation chamber 2 can be reduced. Preferably, the through holes may be provided directly opposite to the condensing fan 22. Of course, in other embodiments, the air guiding hood 36 may also extend into the interior of the condensation chamber 2.

Further, as shown in fig. 5 to 7, the bottom plate 11 of the housing 1 is provided with a heat dissipation hole 37, the air guiding cover 36 is further provided with another opening for abutting against the heat dissipation hole 37, that is, the air guiding cover 36 is further communicated with the heat dissipation hole 37, and the hot air discharged from the air outlet 311 of the box body can be discharged from the housing 1 through the air guiding cover 36 and the heat dissipation hole 37 and then discharged to the lower part of the air conditioning base to dissipate heat to the environment, so that the heat dissipation efficiency of the electric control cavity 3 is further improved.

The structure of the air guide cover 36 can be adaptively set according to the azimuth relation between the electric control box 31 and the condensation chamber 2. Alternatively, as shown in fig. 5, the air guiding cover 36 includes a first cover 361 and a second cover 362 sequentially arranged along a first direction X, the box air outlet 311 of the electronic control box 31 is located on an end face in a second direction Y perpendicular to the first direction X, an opening of the first cover 361 on an end face in the second direction Y is in butt joint communication with the box air outlet 311, a bottom opening is in butt joint communication with the heat dissipating hole 37, an end face opening in the first direction X is in butt joint communication with an end face opening of the second cover 362 in the first direction X, and another end face opening of the second cover 362 in the first direction X is in communication with the condensation chamber 2.

Further, as shown in fig. 3 and 4, the side plate 12 of the casing 1 is further provided with a first ventilation hole 35 which is communicated with the electric control cavity 3, and gas can enter and flow out of the electric control cavity 3 through the first ventilation hole 35 to exchange heat with the electric control box 31 in the electric control cavity 3, wherein hot air after heat exchange can flow out of the electric control cavity 3 through the first ventilation hole 35 to take away heat around the electric control box 31.

Among them, it is preferable that, as shown in fig. 1 and 2, among the side plates 12 of the housing 1, a first side plate 13 and a second side plate 14 are included which are disposed opposite to each other, specifically, the first side plate 13 and the second side plate are arranged at intervals in the second direction Y. The first side plate 13 and the second side plate 14 are respectively provided with a first ventilation hole 35 so as to improve the gas circulation efficiency between the electric control cavity 3 and the external gas.

Wherein, preferably, a plurality of first vent holes 35 are provided on both the first side plate 13 and the second side plate 14. More specifically, the electric control chamber 3 is defined by the first side plate 13, the second side plate 14, and the first partition 15 and the second partition 16 within the housing 1, and a portion of both the first side plate 13 and the second side plate 14 between the first partition 15 and the second partition 16 may extend over the first ventilation hole 35.

Further, as shown in fig. 3, 6 and 7, the bottom plate 11 and/or the side plate 12 of the casing 1 is provided with a condensation chamber vent hole communicating with the condensation chamber 2. Under the drive of the condensing fan 22, external air can enter the condensing cavity 2 through the condensing cavity vent hole, so that hot air in the environment can be pumped into the condensing cavity 2 through the condensing cavity vent hole, and the heat dissipation efficiency is improved.

Among them, preferably, as shown in fig. 3 and 6, the condensing chamber vent hole includes a second vent hole 23 provided on the side plate 12 and a third vent hole 24 provided on the bottom plate 11, and a plurality of second vent holes 23 and third vent holes 24 may be provided. Specifically, the third ventilation holes 24 are provided on the bottom plate 11 and are provided in a lower region of the condensing fan 22. Of course, in other embodiments, only the second ventilation holes 23 or the third ventilation holes 24 may be provided.

Preferably, the condensation chamber vent hole is disposed at the boundary of the condensation chamber 2 near the electric control chamber 3, as shown in fig. 3 and 6, the second vent hole 23 and the third vent hole 24 are disposed near the first partition 15, so that the condensation chamber vent hole can more efficiently assist the electric control box 31 in heat dissipation. As shown in fig. 3, the hot air flowing out of the electric control chamber 3 through the first ventilation hole 35 can be pumped into the condensation chamber 2 through the second ventilation hole 23 by the condensation fan 22 and then discharged out of the housing 1, and meanwhile, as shown in fig. 6 and 7, the hot air discharged into the environment through the heat dissipation hole 37 in the electric control box 31 can be brought to the condensation chamber 2 through the third ventilation hole 24 by the condensation fan 22 and then discharged out of the housing 1, so that the temperature inside the electric control chamber 3 is reduced and does not rise gradually.

Further, as shown in fig. 1 and 2, in the condensation chamber 2, a plurality of condensation fans 22 are centrally disposed to form a fan set, two condensers 21 are respectively disposed at two sides of the fan set, and the top surfaces of the condensers 21 are gradually inclined downward along a direction away from the condensation fans 22. That is, in the condensation chamber 2, the portion near the side plate 12 of the housing 1 is lower for the condenser 21, and a large space is left for gas to enter the condensation chamber 2 from the second ventilation holes 23 on the side plate 12.

Specifically, a top plate of the casing 1 is provided with a condensation cavity air inlet hole opposite to the condenser 21 for external air to enter the condensation cavity 2 to exchange heat with the condenser 21, and a top plate of the casing 1 is also provided with a condensation cavity air outlet hole opposite to the condensation fan 22 for air to flow out of the condensation cavity 2.

Wherein, optionally, in the interval direction (i.e. the second direction Y) of the first side plate 13 and the second side plate 14, a plurality of condensing fans 22 are centrally arranged to form a fan set, and two condensers 21 are respectively arranged at two sides of the fan set. In addition, the first side plate 13 and the second side plate 14 are provided with second ventilation holes 23 communicated with the condensation chamber 2. At this time, the two condensers 21 are arranged in an eight shape on two sides of the condensation chamber 2, so that not only the air inlet requirement of the air inlet hole of the condensation chamber can be met, but also enough space can be reserved at the condenser 21 for air inlet for the second air outlet hole 23, and under the action of the condensation fan 22, part of hot air flowing out of the electric control chamber 3 can smoothly enter the condensation chamber 2 through the second air outlet hole 23, and then flows out of the air outlet hole of the condensation chamber after passing through the condenser 21.

Preferably, as shown in fig. 1, the fan set includes a plurality of condensing fans 22, and each condensing fan 22 is staggered in the first direction X and the second direction Y, so that the space in the condensing cavity 2 can be fully utilized to install more condensing fans 22.

Further, as shown in fig. 2, 8 and 9, in the evaporation chamber 4, the evaporator 47 and the evaporation fan 44 are disposed on the bottom plate 11 of the housing 1, and the bottom plate 11 is provided with a return air hole 410 corresponding to the evaporator 47 and an air supply hole 411 corresponding to the evaporation fan 44, and the air in the vehicle can enter the evaporation chamber 4 through the return air hole 410, be discharged through the air supply hole 411 under the action of the evaporation fan 44, and be returned to the vehicle.

As shown in fig. 8 and 9, the bottom plate 11 of the housing 1 is preferably partially configured as an inclined plate 111 disposed obliquely, and the inclined plate 111 is located below the evaporation chamber 4. The inclined plate 111 is provided with a blowing hole 411, and the air inlet of the evaporation fan 44 is abutted to the blowing hole 411. The air in the evaporation chamber 4 can be discharged obliquely through the air supply hole 411 by the driving of the evaporation fan 44. Through the slope setting of air supply hole 411, can cooperate the interior wind channel overall arrangement of car, simultaneously, compare in the straight air-out of air supply hole 411 department, the noise that the slope air-out produced is less, can reduce the windage, has equivalent to increasing the amount of wind, still has simultaneously and falls the noise effect concurrently.

Further, as shown in fig. 8 and 9, the return air hole 410 is provided with a filter screen, and preferably, the filter screen is detachably fixed to the housing 1, so as to be convenient for disassembly and cleaning, and convenient for maintenance and replacement. The evaporation chamber 4 is also provided with a gas purifier 41 (or called air purifier), and the gas purifier 41 is specifically arranged above the filter screen. After entering the evaporation chamber 4 through the return air hole 410, the external air can flow to the evaporator 47 through the air purifier 41.

Because the air return hole 410 is provided with the filter screen, in the process that the gas in the vehicle enters the evaporation cavity 4 through the air return hole 410, the gas can firstly pass through the filter screen, the impurities such as flocculent objects or large particle objects are filtered by the filter screen, then enter the gas purifier 41, the gas purifier 41 disinfects and disinfects the gas, then passes through the evaporator 47, and is sent back into the vehicle by the evaporation fan 44. By the arrangement, clean gas can be obtained, and therefore the quality of gas in the vehicle can be effectively improved. Wherein, the filter screen is detachable filter screen.

Further, as shown in fig. 2, a fresh air valve 48 is further disposed on the outer side of the housing 1 and is communicated with the evaporation cavity 4, and the fresh air valve 48 is used for introducing external fresh air into the evaporation cavity 4 to provide fresh air for the interior of the vehicle. The fresh air valve 48 is provided with a fresh air fan, external fresh air can enter the evaporation cavity 4 through the fresh air valve 48 under the driving of the fresh air fan, and the fresh air fan can increase fresh air quantity, so that the fresh air requirement in the vehicle can be better met.

Wherein, optionally, in the evaporation cavity 4, a plurality of evaporation fans 44 are disposed at two ends in the second direction Y, two evaporators 47 are disposed in the middle of the evaporation cavity 4 and sequentially arranged along the second direction Y, the air outlet side of each evaporator 47 is located at the end far from the other evaporator 47 in the second direction Y, and a PTC heater 45 is disposed at the air outlet side of each evaporator 47.

In the evaporation chamber 4, a gas cleaner 41, a plate heat exchanger 42, a first expansion valve 43, a second expansion valve 46, and a high-pressure junction box 49 are provided between the two evaporators 47. The plate heat exchanger 42 is connected in parallel with the evaporator 47, i.e. the pipeline from the outlet end of the condenser 21 is divided into two paths, one path is connected with the evaporator 47, the other path is connected with the plate heat exchanger 42, a first expansion valve 43 is arranged on the pipeline between the condenser 21 and the evaporator 47, and a second expansion valve 46 is arranged on the pipeline between the condenser 21 and the plate heat exchanger 42. The plate heat exchanger 42 can be used for connecting a battery heat dissipation system to meet the heat dissipation requirement of a battery, and the specific working principle can refer to the existing air conditioning unit technology with the battery heat management function.

The air conditioning unit for the vehicle performs optimal design on the structure of the electric control cavity 3 of the air conditioner, and the condensing fan 22 assists the electric control box 31 to dissipate heat so as to reduce the temperature in the electric control cavity 3:

The side plate 12 of the shell 1 is provided with a second ventilation hole 23 communicated with the condensation cavity 2 and a first ventilation hole 35 communicated with the electric control cavity 3, the first ventilation hole 35 can allow external gas to flow into the electric control cavity 3, the gas flowing into the electric control cavity 3 from the outside can exchange heat with the electric control box 31, the heat-exchanged hot air flows out of the electric control cavity 3 so as to take away heat around the electric control box 31, part of the hot air flowing out of the electric control cavity 3 can enter the condensation cavity 2 through the second ventilation hole 23 under the action of the condensation fan 22, and the hot air passes through the condenser 21 and is discharged to the outside of the air conditioner by the condensation fan 22, so that the internal temperature of the electric control cavity 3 is reduced and cannot rise gradually;

the air outlet hole 311 of the electric control box is connected with the radiating hole 37 of the bottom plate 11 of the shell 1 through the second cover 362, so that the box body radiating fan of the electric control box 31 can discharge hot air to the lower part of the air conditioner base through the radiating hole 37, radiate the hot air to the environment, and part of the hot air is brought to the outside by the condensing fan 22 through the third ventilating hole 24 corresponding to the bottom of the condensing cavity 2;

Through setting up the first cover body 361 with automatically controlled box air outlet 311 and the second cover body 362 intercommunication, the through-hole intercommunication on the first baffle 15 between first cover body 361 and condensation chamber 2 and the automatically controlled chamber 3 borrows condensation fan 22, directly sucks the hot air of automatically controlled box 31 away, discharges in the external environment.

It will be understood that when an element is referred to as being "fixed" to another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. Furthermore, in the description of the present utility model, unless otherwise indicated, the meaning of "a plurality", "a plurality of groups" is two or more.

The terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," and the like refer to an orientation or positional relationship based on that shown in the drawings, merely for convenience of description and to simplify the description, and do not denote or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be construed as limiting the utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model.

In the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, and identical and similar parts between the embodiments are all enough to refer to each other.

The air conditioning unit for a vehicle according to the present utility model is described in detail above. The principles and embodiments of the present utility model have been described herein with reference to specific examples, the description of which is intended only to facilitate an understanding of the method of the present utility model and its core ideas. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the utility model can be made without departing from the principles of the utility model and these modifications and adaptations are intended to be within the scope of the utility model as defined in the following claims.

Claims (10)

1. The air conditioning unit for the vehicle is characterized by comprising a shell (1), wherein a condensing cavity (2) and an electric control cavity (3) which are separated are arranged in the shell (1); a condensing fan (22) is arranged in the condensing cavity (2), an electric control box (31) is arranged in the electric control cavity (3), a box body air inlet hole and a box body air outlet hole (311) are formed in the electric control box (31), an air guide cover (36) is also arranged in the electric control cavity (3), and two openings of the air guide cover (36) are respectively communicated with the box body air outlet hole (311) and the condensing cavity (2);

Wherein: under the drive of the condensing fan (22), the gas in the electric control box (31) can enter the air guide cover (36) through the box body air outlet hole (311) and is guided to the condensing cavity (2).

2. Air conditioning unit for vehicles according to claim 1, characterized in that said condensation chamber (2) and said electric control chamber (3) are arranged adjacent in said housing (1) and are separated by a first partition (15); one opening of the air guide cover (36) is communicated with the through hole on the first partition plate (15) and then communicated with the condensation cavity (2).

3. The air conditioning unit for a vehicle according to claim 1, wherein the bottom plate (11) of the housing (1) is provided with a heat radiation hole (37), and the air guide cover (36) is further communicated with the heat radiation hole (37).

4. The air conditioning unit for a vehicle according to claim 1, wherein a first vent hole (35) communicating with the electric control chamber (3) is further provided on a side plate (12) of the housing (1).

5. The air conditioning unit for vehicles according to claim 4, characterized in that the side plates (12) of the housing (1) comprise a first side plate (13) and a second side plate (14) which are arranged oppositely, and the first side plate (13) and the second side plate (14) are matched with a plurality of partition boards in the housing (1) to separate the electric control cavity (3) from the condensation cavity (2); the first vent holes (35) are formed in the first side plate (13) and the second side plate (14), and the second vent holes (23) communicated with the condensation cavity (2) are formed in the first side plate (13) and the second side plate (14).

6. The air conditioning unit for a vehicle according to claim 1, wherein a bottom plate (11) and/or a side plate (12) of the housing (1) are provided with a condensation chamber vent hole communicating with the condensation chamber (2);

Wherein: and under the drive of the condensing fan (22), external gas can enter the condensing cavity (2) through the condensing cavity vent hole.

7. The air conditioning unit for a vehicle according to claim 1, characterized in that, in the condensation chamber (2), a plurality of the condensation fans (22) are centrally arranged to form a fan unit, and two condensers (21) are respectively provided on both sides of the fan unit; the top surface of the condenser (21) is gradually inclined downwards along the direction away from the condensing fan (22); and a top plate of the shell (1) is provided with a condensing cavity air inlet hole opposite to the condenser (21) and a condensing cavity air outlet hole opposite to the condensing fan (22).

8. The air conditioning unit for a vehicle according to any one of claims 1 to 7, characterized in that an evaporation chamber (4) separated from the condensation chamber (2) and the electric control chamber (3) is provided in the housing (1); an evaporation fan (44) is arranged in the evaporation cavity (4), a part of the bottom plate (11) of the shell (1) is of an inclined plate (111) which is obliquely arranged, the inclined plate (111) is positioned below the evaporation cavity (4), a wind feeding hole (411) is formed in the inclined plate (111), and a wind port of the evaporation fan (44) is in butt joint with the wind feeding hole (411);

wherein: the air in the evaporation cavity (4) can be obliquely discharged through the air supply hole (411) under the driving of the evaporation fan (44).

9. The air conditioning unit for a vehicle according to any one of claims 1 to 7, characterized in that an evaporation chamber (4) separated from the condensation chamber (2) and the electric control chamber (3) is provided in the housing (1); the bottom plate (11) of casing (1) is located the part of evaporation chamber (4) below sets up return air hole (410), be equipped with the filter screen on return air hole (410), still be equipped with evaporimeter (47) and gas purifier (41) in evaporation chamber (4), external gas is through return air hole (410) get into after evaporation chamber (4), can pass through earlier gas purifier (41) flow to evaporimeter (47).

10. The air conditioning unit for a vehicle according to any one of claims 1 to 7, characterized in that an evaporation chamber (4) separated from the condensation chamber (2) and the electric control chamber (3) is provided in the housing (1); a fresh air valve (48) communicated with the evaporation cavity (4) is further arranged on the outer side of the shell (1);

The novel air valve (48) is provided with a novel air fan, and external novel air can enter the evaporation cavity (4) through the novel air valve (48) under the driving of the novel air fan.