CN216268586U

CN216268586U - Automobile refrigerating unit easy to radiate heat

Info

Publication number: CN216268586U
Application number: CN202123146639.5U
Authority: CN
Inventors: 肖黎明; 石长顺
Original assignee: Chongqing Dike Automobile Co ltd
Current assignee: Chongqing Dike Automobile Co ltd
Priority date: 2021-12-15
Filing date: 2021-12-15
Publication date: 2022-04-12
Anticipated expiration: 2031-12-15

Abstract

The utility model discloses an automobile refrigerating unit easy to radiate heat, which comprises a condenser assembly, wherein the condenser assembly comprises a shell which is integrally cuboid, a condenser core, an air collecting cover, a radiating fan, an oil-gas separator and a drying tank are arranged in an installation cavity of the shell, the condenser core, the air collecting cover and the radiating fan are sequentially overlapped from bottom to top, a refrigerant outlet of the oil-gas separator is communicated with a refrigerant inlet of the condenser core, and a refrigerant outlet of the condenser core is connected with a refrigerant inlet of the drying tank; the front side of the shell is distributed with a plurality of first air inlet holes, the left side and the right side of the shell are distributed with a plurality of second air inlet holes, the left side and the right side of the shell are respectively provided with at least one air deflector, the included angle between the windward side of the air deflector and the side surface of the shell is 30-60 degrees, and the air deflector is used for guiding external air flow into the second air inlet holes. The utility model effectively increases the air inlet volume of the condenser in the running process of the refrigerator car and improves the heat dissipation performance of the condenser.

Description

Automobile refrigerating unit easy to radiate heat

Technical Field

The utility model relates to the technical field of refrigerated vehicles, in particular to an automobile refrigerating unit easy to radiate heat.

Background

The refrigerator car is a closed van type special transport vehicle which is provided with a refrigeration air-conditioning system and a heat insulation carriage and is used for transporting frozen, refrigerated or fresh goods, and is commonly used for transporting frozen foods, dairy products, fruits, vegetables, vaccines and medicines and the like.

The refrigerating air conditioning system of the refrigerator car reduces the temperature in the carriage through a refrigerating unit, and the refrigerating unit mainly comprises three parts, namely a compressor, a condenser and an evaporator, and connecting pipelines among the three parts. The compressor compresses low-temperature low-pressure refrigerant gas into high-temperature high-pressure gas, the high-temperature high-pressure gas is conveyed to the condenser, the condenser releases heat to the air, the high-temperature high-pressure refrigerant is condensed into high-pressure medium-temperature liquid, the high-pressure medium-temperature liquid flows to the expansion valve, the expansion valve reduces the pressure of the liquid refrigerant, the low-pressure low-temperature gas-liquid mixture is changed into low-pressure low-temperature gas-liquid mixture, the low-pressure low-temperature gas-liquid mixture enters the evaporator, the low-pressure low-temperature gas-liquid mixture refrigerant is evaporated in the evaporator, heat in the air is absorbed, and therefore the air temperature is reduced.

The condenser is typically mounted outside the refrigerated vehicle compartment and the heat from the condenser core is blown out by an attached fan. However, the condenser of the existing refrigerating unit is usually only provided with an air inlet hole at the front side of the shell, and in the running process of the refrigerator car, especially when the refrigerator car runs under severe working conditions, the air inlet volume of the condenser is insufficient, so that the heat dissipation performance of the refrigerator car is reduced, and the refrigerating effect of the refrigerating air conditioning system is poor.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model provides an automobile refrigerating unit easy to radiate heat, which can solve the problems that the heat radiation performance of a condensing car is reduced and the refrigerating effect of a refrigerating air-conditioning system is poor due to insufficient air intake of a condenser of the refrigerating unit of the refrigerating car in the running process of the refrigerating car in the prior art, particularly when the refrigerating car runs under a severe working condition.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides an automobile refrigerating unit easy to radiate heat, which comprises a condenser assembly, wherein the condenser assembly comprises a shell which is integrally rectangular, an installation cavity is arranged in the shell, a condenser core, a wind collecting cover, a radiating fan, an oil-gas separator and a drying tank are installed in the installation cavity, the condenser core, the wind collecting cover and the radiating fan are sequentially overlapped from bottom to top, a refrigerant outlet of the oil-gas separator is communicated with a refrigerant inlet of the condenser core, and a refrigerant outlet of the condenser core is connected with a refrigerant inlet of the drying tank;

the wind-guiding plate is characterized in that a plurality of first wind inlet holes are distributed in the front side of the shell, a plurality of second wind inlet holes are distributed in the left side and the right side of the shell, at least one wind-guiding plate is further mounted on the left side and the right side of the shell respectively, the included angle between the windward side of the wind-guiding plate and the side face of the shell is 30-60 degrees, and the wind-guiding plate is used for guiding external wind flow into the second wind inlet holes.

Preferably, an included angle between the windward side of the air deflector and the side surface of the shell is 45 °.

Preferably, the left side and the right side of the shell are respectively provided with two air deflectors at intervals, and the air deflectors on the left side and the right side are symmetrically arranged.

Preferably, the air deflector is formed by bending a rectangular metal plate and comprises an air guiding part and an installation part, the installation part is provided with an installation hole, and the air deflector is detachably installed on the shell through a first installation bolt.

Preferably, the housing includes a bottom shell and an upper cover covering the bottom shell, and the bottom shell and the upper cover are connected with each other by a second mounting bolt to define the mounting cavity.

Preferably, the bottom shell comprises a bottom plate, two inner side plates arranged on the left side and the right side of the bottom plate, and a rear supporting plate arranged at the rear end of the bottom plate, wherein two ends of the rear supporting plate are respectively connected with the two inner side plates; the second air inlet hole is formed in the inner side plate, and the air deflector is arranged on the inner side plate.

Preferably, a plurality of third air inlet holes are formed in the bottom plate, and the third air inlet holes are arranged right below the condenser core; and a plurality of fourth air inlet holes are formed in the rear supporting plate.

Preferably, the upper cover comprises a top plate, a front side plate arranged at the front end of the top plate, two outer side plates arranged at the left side and the right side of the top plate, and a rear side plate arranged at the rear end of the top plate, wherein the top plate, the front side plate, the two outer side plates and the rear side plate are integrally formed, the front side plate is arranged in a backward inclined manner, and the outer surface of the front side plate is an arc surface;

the first air inlet holes are formed in the front side plate, the two outer side plates are provided with avoidance ports used for avoiding the air deflector, and the top plate is provided with avoidance holes used for avoiding the cooling fan.

The utility model has the beneficial effects that:

according to the automobile refrigerating unit easy to radiate heat, the first air inlet hole is formed in the front side of the shell of the condenser assembly, the second air inlet holes are formed in the left side and the right side of the shell, the air deflector is arranged for guiding air flow, the air inlet amount of the condenser in the running process of the refrigerator car is effectively increased, more air flow can enter the condenser to exchange heat with the core body of the condenser in the running process of the refrigerator car, the heat radiation performance of the condenser is improved, and the air conditioning refrigeration effect is further improved.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.

Drawings

In order to more clearly illustrate the detailed description of the utility model or the technical solutions in the prior art, the drawings that are needed in the detailed description of the utility model or the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.

FIG. 1 is a schematic perspective view of an automotive refrigeration unit with easy heat dissipation in a preferred embodiment of the present disclosure;

FIG. 2 is a bottom view of FIG. 1;

FIG. 3 is a schematic perspective view of FIG. 1 with the cover removed;

FIG. 4 is a schematic perspective view of the bottom case of FIG. 2;

fig. 5 is a perspective view of the upper cover of fig. 2.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.

It is to be noted that, unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the utility model pertains.

In the description of the present application, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the utility model.

Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

As shown in fig. 1-5, the utility model provides an automobile refrigerating unit easy to dissipate heat, which comprises a condenser assembly, wherein the condenser assembly comprises a casing 1 which is integrally rectangular, a mounting cavity is arranged in the casing 1, a condenser core 2, a wind-collecting cover 3, a heat-dissipating fan 4, an oil-gas separator 5 and a drying tank 6 are arranged in the mounting cavity, the condenser core 2, the wind-collecting cover 3 and the heat-dissipating fan 4 are sequentially stacked from bottom to top and are connected with each other through bolts, the heat-dissipating fan 4 is a suction fan and is used for sucking out heat-exchanged wind in the wind-collecting cover 3 to the outside of a condenser, a refrigerant outlet of the oil-gas separator 5 is communicated with a refrigerant inlet of the condenser core 2 through an air-conditioning pipeline 7, and a refrigerant outlet of the condenser core 2 is connected with a refrigerant inlet of the drying tank 6 through the air-conditioning pipeline 7; the front side of the shell 1 is distributed with a plurality of first air inlet holes 8, the left side and the right side of the shell 1 are distributed with a plurality of second air inlet holes 9, the left side and the right side of the shell 1 are respectively provided with at least one air deflector 10, the included angle alpha between the windward surface of the air deflector 10 and the side surface of the shell 1 is 30-60 degrees, and the air deflector 10 is used for guiding external air flow into the second air inlet holes 9.

Specifically, in the present embodiment, an air-conditioning branch pipe 11 is further connected to the air-conditioning line 7 connecting the condenser core 2 and the gas-oil separator 5, a defrosting solenoid valve 12 for opening and closing the air-conditioning branch pipe 11 is mounted on the air-conditioning branch pipe 11, and when the defrosting solenoid valve 12 is opened, a part of the high-temperature and high-pressure gas passing through the gas-oil separator 5 can be output through the air-conditioning branch pipe 11 for defrosting.

In the embodiment, the automobile refrigeration unit is provided with the first air inlet hole 8 at the front side of the shell 1 of the condenser assembly, the second air inlet holes 9 at the left side and the right side of the shell 1 and the air deflector 10 for guiding air flow, in the refrigeration process, the heat radiation fan 4 is started, air can enter through the first air inlet hole 8 and can enter through the second air inlet hole 9, meanwhile, under the guiding action of the air deflector 10 on the air flow, the air inlet efficiency of the second air inlet hole 9 is improved, after the air entering the installation cavity from the first air inlet hole 8 and the second air inlet hole 9 exchanges heat with the condenser core 2, under the suction force of the heat radiation fan 4, the air is collected by the air collection cover 3 and then is discharged out of the condenser through the heat radiation fan, so that the heat radiation of the condenser is realized, the air inlet amount of the condenser in the refrigeration vehicle running process is effectively increased, and more air flow in the vehicle running process can enter the condenser to exchange heat with the condenser core 2, the heat dispersion of the condenser is improved, and the refrigeration effect of the air conditioner is further improved. The condensation principle of the condenser belongs to the prior art, and is not described in detail herein.

It can be understood that the refrigeration unit may further include other components configured in the refrigeration unit of the existing refrigerator car, such as a compressor, an evaporator, etc., and the connection manner and the working principle of the components such as the compressor, the evaporator, etc. and the condenser assembly belong to the prior art, and are not described herein again.

In one embodiment, the angle α between the windward side of the wind deflector 10 and the side of the housing 1 is 45 °. A large number of experiments prove that when the included angle between the windward side of the air deflector 10 and the side surface of the shell 1 is 45 degrees, the flow guide effect of the air deflector 10 is optimal, and further the air quantity entering the interior of the condenser assembly from the second air inlet hole 9 is maximum, so that the heat dissipation performance of the condenser can be better improved, and the refrigeration effect of the air conditioner is better improved.

In one embodiment, two air deflectors 10 are respectively disposed at intervals on the left and right sides of the housing 1, and the air deflectors 10 on the left and right sides are symmetrically disposed. The two air deflectors 10 are respectively arranged on the two sides at intervals, so that the air inlet amount can be further increased, the air deflectors 10 on the two sides are symmetrically arranged, the air inlet amount on the left side and the right side of the condenser is balanced, and the condenser can uniformly radiate heat.

In one embodiment, the air deflector 10 is formed by bending a rectangular metal plate, and includes an air deflector portion 1001 and a mounting portion 1002, the mounting portion 1002 has a mounting hole, and the air deflector 10 is detachably mounted on the housing 1 by a first mounting bolt 13. The air deflector 10 is integrally formed by bending a metal plate, so that the strength of the air deflector 10 is guaranteed, and the air deflector 10 is mounted on the shell 1 through the first mounting bolt 13, so that the air deflector 10 can be conveniently dismounted and replaced.

In one embodiment, the housing 1 includes a bottom case 101 and an upper cover 102 covering the bottom case 101, and the bottom case 101 and the upper cover 102 are connected to each other by a second mounting bolt 14 to define a mounting cavity. Thus, the upper cover 102 can be opened only by removing the second mounting bolt 14, and further, the components and the like in the mounting cavity can be maintained, thereby improving the convenience of the maintenance of the condenser assembly.

In one embodiment, the bottom case 101 includes a bottom plate 1011, two inner side plates 1012 disposed at left and right sides of the bottom plate 1011, and a rear support plate 1013 disposed at a rear end of the bottom plate 1011, wherein two ends of the rear support plate 1013 are connected to the two inner side plates 1012, respectively; the second air inlet hole 9 is opened on the inner side plate 1012, and the air guiding plate 10 is arranged on the inner side plate 1012. The condenser core 2, the oil-gas separator 5 and the drying tank 6 are all mounted on the base plate 1011.

In one embodiment, the bottom plate 1011 defines a plurality of third air inlet holes 15, and the third air inlet holes 15 are disposed right below the condenser core 2; a plurality of fourth air inlet holes 16 are arranged on the rear supporting plate 1013. Therefore, when the heat radiation fan 4 works, air can be simultaneously fed from the first air inlet hole 8, the second air inlet hole 9, the third air inlet hole 15 and the fourth air inlet hole 16, the air inlet amount of the condenser is further increased, the heat radiation effect on the condenser core body 2 in the condenser is further improved, and the refrigeration effect is improved.

In one embodiment, the upper cover 102 comprises a top plate 1021, a front side plate 1022 arranged at the front end of the top plate 1021, two outer side plates 1023 arranged at the left and right sides of the top plate 1021, and a rear side plate 1024 arranged at the rear end of the top plate 1021, wherein the top plate 1021, the front side plate 1022, the two outer side plates 1023 and the rear side plate 1024 are integrally formed, the strength of the upper cover 102 is ensured, the front side plate 1022 is arranged in a backward inclining manner, the outer surface of the front side plate 1022 is a circular arc surface, and the wind resistance of the refrigerated vehicle during running is reduced; first fresh air inlet sets up on preceding curb plate 1022, is convenient for the air inlet better like this, effectively guarantees the intake of first fresh air inlet, all offers on two outer panels 1023 to be used for dodging avoiding mouthful 10231 of dodging of aviation baffle, offers on roof 1021 to be used for dodging avoiding hole 10211 of radiator fan 4.

In the description of the present invention, numerous specific details are set forth. It is understood, however, that embodiments of the utility model may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the utility model has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention, and they should be construed as being included in the following claims and description.

Claims

1. An automobile refrigerating unit easy for heat dissipation comprises a condenser assembly and is characterized in that,

the condenser assembly comprises a casing which is integrally cuboid, a mounting cavity is arranged in the casing, a condenser core, a wind collecting cover, a cooling fan, an oil-gas separator and a drying tank are mounted in the mounting cavity, the condenser core, the wind collecting cover and the cooling fan are sequentially stacked from bottom to top, a refrigerant outlet of the oil-gas separator is communicated with a refrigerant inlet of the condenser core, and a refrigerant outlet of the condenser core is connected with a refrigerant inlet of the drying tank;

2. The easy-to-dissipate automobile refrigeration unit as set forth in claim 1 wherein the angle between the windward side of the air deflector and the side of the housing is 45 °.

3. The vehicle refrigeration unit easy to dissipate heat according to claim 2, wherein the two air deflectors are disposed at intervals on the left and right sides of the housing, and the air deflectors on the left and right sides are symmetrically disposed.

4. The vehicle refrigeration unit easy to dissipate heat as recited in claim 1 wherein the air deflector is formed by bending a rectangular metal plate and comprises an air deflector portion and a mounting portion, the mounting portion is provided with a mounting hole, and the air deflector is detachably mounted on the housing by a first mounting bolt.

5. The vehicle refrigeration unit facilitating heat dissipation according to any one of claims 1 to 4, wherein the housing includes a bottom shell and an upper cover covering the bottom shell, and the bottom shell and the upper cover are connected to each other by a second mounting bolt to enclose the mounting cavity.

6. The easy-to-dissipate automobile refrigeration unit according to claim 5, wherein the bottom case comprises a bottom plate, two inner side plates disposed at the left and right sides of the bottom plate, and a rear support plate disposed at the rear end of the bottom plate, and two ends of the rear support plate are respectively connected to the two inner side plates; the second air inlet hole is formed in the inner side plate, and the air deflector is arranged on the inner side plate.

7. The automobile refrigerating unit easy for heat dissipation of claim 6, wherein a plurality of third air inlet holes are formed in the bottom plate, and the third air inlet holes are arranged right below the condenser core; and a plurality of fourth air inlet holes are formed in the rear supporting plate.

8. The automobile refrigeration unit easy for heat dissipation of claim 6 or 7, wherein the upper cover comprises a top plate, a front side plate arranged at the front end of the top plate, two outer side plates arranged at the left side and the right side of the top plate, and a rear side plate arranged at the rear end of the top plate, the front side plate, the two outer side plates and the rear side plate are integrally formed, the front side plate is arranged in a backward inclined manner, and the outer surface of the front side plate is an arc surface;