CN218750195U

CN218750195U - Indoor unit of vehicle-mounted air conditioner

Info

Publication number: CN218750195U
Application number: CN202223512386.3U
Authority: CN
Inventors: 李学森
Original assignee: Foshan Nanhai Naixiang Refrigeration Co ltd
Current assignee: Foshan Nanhai Naixiang Refrigeration Co ltd
Priority date: 2022-12-28
Filing date: 2022-12-28
Publication date: 2023-03-28
Anticipated expiration: 2032-12-28

Abstract

The utility model discloses a vehicle-mounted air conditioner indoor unit, which comprises a box body, a micro-channel evaporation core body assembly and a fan, wherein the micro-channel evaporation core body assembly comprises a micro-channel evaporation core body and a throttle valve; the throttle valve is arranged on the left side of the microchannel evaporation core body and is provided with an inlet end and an outlet end, and the inlet end and the outlet end are both communicated with the inside of the microchannel evaporation core body; the microchannel evaporation core and the fan are both arranged in the box body, the microchannel evaporation core is of a semicircular arc shape, the left end and the right end of the microchannel evaporation core are respectively tightly attached to the left side and the right side of the box body, the bottom end of the microchannel evaporation core is tightly attached to the bottom of the box body, a cavity is formed by the microchannel evaporation core and the top of the box body, and the fan is located in the cavity. The application has solved the inside leakproofness of current vehicle air conditioner indoor set not good, leads to the gaseous state refrigerant that the evaporation of the interior liquid refrigerant of evaporation core produced to leak easily outward, influences the problem of the refrigeration effect of the inside air of vehicle air conditioner indoor set.

Description

Indoor unit of vehicle-mounted air conditioner

Technical Field

The utility model relates to a machine technique in the on-vehicle air conditioning specifically is a machine in on-vehicle air conditioning.

Background

The vehicle-mounted air conditioner indoor unit is generally installed in a truck for use, and can adjust the temperature of the environment in the truck and provide a comfortable working environment for truck drivers and passengers. The existing indoor unit of the vehicle-mounted air conditioner is internally provided with a fan and an evaporation core body communicated with a liquid refrigerant, external air is firstly sucked into the indoor unit of the vehicle-mounted air conditioner through the fan and flows through the evaporation core body communicated with the liquid refrigerant to carry out heat exchange to form cold air, and then the cold air is discharged to the outside of the indoor unit of the vehicle-mounted air conditioner. The existing indoor unit of the vehicle-mounted air conditioner has poor airtightness, so that gaseous refrigerant generated by evaporation of liquid refrigerant in the evaporation core is easy to leak, and the refrigeration effect of air in the indoor unit of the vehicle-mounted air conditioner is influenced.

SUMMERY OF THE UTILITY MODEL

To the above defect, the utility model provides an indoor set of vehicle-mounted air conditioner, aim at have solved the inside seal of current indoor set of vehicle-mounted air conditioner not good, lead to the gaseous state refrigerant that the evaporation of the liquid refrigerant in the evaporation core produced to leak outside easily, influence the problem of the refrigeration effect of the inside air of indoor set of vehicle-mounted air conditioner.

To achieve the purpose, the utility model adopts the following technical proposal:

a vehicle-mounted air conditioner indoor unit comprises a box body, a micro-channel evaporation core body assembly and a fan, wherein the micro-channel evaporation core body assembly comprises a micro-channel evaporation core body and a throttle valve, a plurality of air outlet holes are formed in the front side of the box body, and a plurality of air inlet holes are formed in the left side and the right side of the box body respectively;

the throttle valve is arranged on the left side of the microchannel evaporation core body and is provided with an inlet end and an outlet end, and the inlet end and the outlet end are both communicated with the inside of the microchannel evaporation core body; the utility model discloses a box, including box, micro-channel evaporation core, fan, bottom, the micro-channel evaporation core with the fan all set up in the inside of box, the micro-channel evaporation core is the semicircle type, both ends hug closely respectively about the micro-channel evaporation core in the left and right sides of box, the bottom of micro-channel evaporation core hug closely in the bottom of box, the micro-channel evaporation core with the top of box forms the cavity, the fan is located in the cavity.

Preferably, the microchannel evaporation core body comprises a plurality of microchannels and a plurality of radiating fins, the microchannels are sequentially distributed from front to back, and a plurality of radiating fins are arranged between every two adjacent microchannels.

Preferably, the micro-channel evaporation core further comprises shockproof sealing cotton, and the shockproof sealing cotton is respectively arranged on the front side, the rear side and the tops of the left end and the right end of the micro-channel evaporation core.

Preferably, the air-conditioning unit further comprises a top cover, a bottom plate, two side plates, a front plate and a rear plate, wherein the top cover and the bottom plate are respectively arranged at the top and the bottom of the box body, the two side plates are respectively arranged at the left side and the right side of the box body, one of the side plates is provided with a clamping groove, the front plate and the rear plate are respectively arranged at the front side and the rear side of the box body, and the fan is fixed on the front plate.

Preferably, still include a plurality of mounting brackets, the mounting bracket is provided with the mounting hole, the mounting bracket is fixed in respectively the top inboard at both ends about the microchannel evaporation core.

Preferably, the fan comprises a double-shaft motor, a plurality of fan blades, two air ducts and an installation panel, the fan blades are fixed on a driving shaft of the double-shaft fan, the air ducts are arranged outside the fan blades, and the two air ducts are installed on the installation panel.

The technical scheme provided by the embodiment of the application can have the following beneficial effects:

in the scheme, the fan is arranged inside the cavity formed by the micro-channel evaporation core body and the top of the box body, the airtightness inside the box body is enhanced due to the cavity, the gaseous refrigerant generated by evaporation of the liquid refrigerant inside the micro-channel evaporation core body is prevented from leaking outwards, and the improvement of the refrigeration effect of the air inside the vehicle-mounted air conditioner indoor unit is facilitated.

Drawings

FIG. 1 is a schematic view of the internal structure of an indoor unit of a vehicle air conditioner;

FIG. 2 is an enlarged view of a portion of area A of FIG. 1;

FIG. 3 is a front view of an indoor unit of an air conditioner for a vehicle;

FIG. 4 is a partial enlarged view of area B of FIG. 3;

FIG. 5 is a rear view of an indoor unit of a vehicle air conditioner;

fig. 6 is a schematic structural view of the fan.

Wherein, 1, a box body; 2. a microchannel evaporative core assembly; 3. a fan; 4. a cavity; 5. a mounting frame; 11. an air outlet; 12. an air inlet hole; 13. a top cover; 14. a base plate; 15. a side plate; 16. a front plate; 17. a back plate; 21. a microchannel evaporative core; 22. a throttle valve; 31. a double-shaft motor; 32. a fan blade; 33. an air duct; 34. installing a panel; 50. mounting holes; 150. a card slot; 211. a microchannel; 212. a heat sink; 213. shockproof sealing cotton; 221. an inlet end; 222. an outlet end; 340. and (7) air outlet.

Detailed Description

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

In the description of the present invention, it is to be understood that the terms "length", "middle", "upper", "lower", "left", "right", "top", "bottom", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and simplification of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" 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. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "spliced" and "connected" should be interpreted broadly, and may be, for example, a fixed connection, a detachable connection, or an integral connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

A vehicle-mounted air conditioner indoor unit comprises a box body 1, a micro-channel evaporation core body assembly 2 and a fan 3, wherein the micro-channel evaporation core body assembly 2 comprises a micro-channel evaporation core body 21 and a throttle valve 22, a plurality of air outlet holes 11 are formed in the front side of the box body 1, and a plurality of air inlet holes 12 are formed in the left side and the right side of the box body 1 respectively;

the throttle valve 22 is installed on the left side of the microchannel evaporation core body 21, the throttle valve 22 is provided with an inlet end 221 and an outlet end 222, and the inlet end 221 and the outlet end 222 are both communicated with the inside of the microchannel evaporation core body 21; microchannel evaporation core 21 with fan 3 all set up in the inside of box 1, microchannel evaporation core 21 is the semicircle type, both ends hug closely respectively about microchannel evaporation core 21 in the left and right sides of box 1, microchannel evaporation core 21's bottom hug closely in the bottom of box 1, microchannel evaporation core 21 with the top of box 1 forms cavity 4, fan 3 is located in the cavity 4.

The vehicle-mounted air conditioner indoor unit is applied to the inside of a vehicle. As shown in fig. 1, 3 and 4, since the throttle 22 is provided with an inlet end 221 and an outlet end 222, both the inlet end 221 and the outlet end 222 are communicated with the inside of the microchannel evaporation core 21, a liquid refrigerant is introduced into the inlet end 221, and the liquid refrigerant can enter the microchannel evaporation core 21, and since the microchannel evaporation core 21 is semi-circular arc-shaped, the liquid refrigerant can flow back and forth in the microchannel evaporation core 21 and flow out from the outlet end 222. The liquid refrigerant is evaporated into a gaseous refrigerant in the process of flowing back and forth, and the ambient heat is absorbed, so that the refrigeration effect is achieved. In addition, the cooled air is liquefied on the surface of the micro-channel evaporation core 21 to form condensed water, and the semi-arc micro-channel evaporation core 21 facilitates the condensed water to flow to the bottom of the tank 1 and be discharged.

Because the micro-channel evaporation core body 21 and the top of the box body 1 form a cavity 4, the fan 3 is positioned in the cavity 4, the fan 3 is started, air outside the vehicle is sucked by the fan 3 from the air inlet holes 12 and flows through the micro-channel evaporation core body 21 with liquid refrigerant, and the air can exchange heat with evaporated gaseous refrigerant to form cold air. The cold air is discharged into the vehicle from the plurality of air outlet holes 10, so that a comfortable environment can be provided for drivers and passengers.

Further, the throttle valve 22 is disposed to facilitate controlling the flow rate of the liquid refrigerant in the microchannel evaporation core 21, and if the flow rate of the liquid refrigerant is too low, the refrigeration effect of the air is too poor, and the obtained cold air is not cold enough, which affects the environmental experience of the driver and passengers.

In the scheme, the fan 3 is arranged inside the micro-channel evaporation core body 21 and the cavity 4 formed at the top of the box body 1, the airtightness inside the box body 1 is enhanced due to the formation of the cavity 4, the gaseous refrigerant generated by evaporation of the liquid refrigerant inside the micro-channel evaporation core body 21 is prevented from leaking outwards, and the improvement of the refrigeration effect of the air inside the vehicle-mounted air conditioner indoor unit is facilitated.

Preferably, the microchannel evaporation core body 21 includes a plurality of microchannels 211 and a plurality of fins 212, the plurality of microchannels 211 are sequentially distributed from front to back, and a plurality of fins 212 are disposed between two adjacent microchannels 211. In this embodiment, as shown in fig. 1-2, the liquid refrigerant enters the interior of the microchannel evaporation core 21 through the inlet end 221 of the throttle 22, and flows back and forth in the microchannels 211. The arrangement of the plurality of fins 212 is beneficial to the heat dissipation of the microchannel evaporation core 21 because the liquid refrigerant absorbs ambient heat in the process of evaporating into a gaseous state.

Preferably, the micro-channel evaporation core further comprises shockproof sealing cotton 213, and the shockproof sealing cotton 213 is respectively arranged on the front side, the rear side and the top of the left and right ends of the micro-channel evaporation core 21. In this embodiment, as shown in fig. 1, since the fan 3 may vibrate the indoor unit of the vehicle air conditioner during the high-speed operation process, the arrangement of the shockproof sealing cotton 213 is beneficial to reducing the vibration. In addition, the shockproof sealing cotton 213 also has good sealing effect, so as to further improve the sealing performance inside the cavity 4.

Preferably, the air-conditioning cabinet further comprises a top cover 13, a bottom plate 14, two side plates 15, a front plate 16 and a rear plate 17, wherein the top cover 13 and the bottom plate 14 are respectively arranged at the top and the bottom of the cabinet 1, the two side plates 15 are respectively arranged at the left side and the right side of the cabinet 1, one of the side plates 15 is provided with a clamping groove 150, the front plate 16 and the rear plate 17 are respectively arranged at the front side and the rear side of the cabinet 1, and the fan 3 is fixed on the front plate 16. In this embodiment, as shown in fig. 3 to 5, since one of the side plates 15 is provided with a clamping groove 150, it is beneficial to install the microchannel evaporation core assembly 2, so that the throttle valve 22 is located outside the box body 1, and the microchannel evaporation core 21 is located inside the box body 1. Since the fan 3 is fixed to the front plate 16, the discharge of cool air from the air outlet 11 is facilitated.

Preferably, still include a plurality of mounting brackets 5, mounting bracket 5 is provided with mounting hole 50, mounting bracket 5 is fixed in respectively the top inboard at both ends about microchannel evaporation core 21. In this embodiment, as shown in fig. 1, four mounting frames 5 are provided, and every two mounting frames 5 are respectively fixed to the inner sides of the top portions of the left and right ends of the microchannel evaporation core body 21, and since the mounting frames 5 are provided with the mounting holes 50, it is advantageous to use screws to mount the top cover 13 to the mounting holes 50. The four mounting frames 5 are arranged to facilitate the top cover 13 to be mounted more stably.

Preferably, the fan 3 includes a dual-axis motor 31, a plurality of blades 32, two air ducts 33 and a mounting panel 34, the blades 32 are fixed to a driving shaft of the dual-axis fan 31, the air ducts 33 are arranged outside the blades 32, and the two air ducts 33 are both mounted on the mounting panel 34.

In this embodiment, as shown in fig. 6, since the two driving shafts of the double-shaft fan 31 are respectively fixed with the plurality of blades 32, the double-shaft motor 31 is started to drive the plurality of blades 32 to rotate, so that air outside the vehicle can be sucked into the box body 1. The air guide tube 33 is arranged outside the fan blades 32, so that cold air can be sent out of the box body 1 through the air guide tube 33.

Further, the mounting panel 34 is fixed to the front plate 16, the mounting panel 34 is provided with two air outlets 340, the two air outlets 340 are communicated with the air outlet 11 of the front plate 16, and the cold air can come out from the air outlets of the mounting panel 34 and can be sent out of the box body 1 through the air outlet 11 of the front plate 16.

The technical principle of the present invention is described above with reference to specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without any inventive effort, which would fall within the scope of the present invention.

Claims

1. The utility model provides a machine in on-vehicle air conditioning which characterized in that: the micro-channel evaporation core assembly comprises a micro-channel evaporation core and a throttle valve, a plurality of air outlet holes are formed in the front side of the box, and a plurality of air inlet holes are formed in the left side and the right side of the box respectively;

the throttle valve is arranged on the left side of the microchannel evaporation core body and is provided with an inlet end and an outlet end, and the inlet end and the outlet end are both communicated with the inside of the microchannel evaporation core body; the utility model discloses a box, including box, microchannel evaporation core, fan, bottom, cavity, fan, bottom, the microchannel evaporation core with the fan all set up in the inside of box, the microchannel evaporation core is the semicircle type, both ends hug closely respectively about the microchannel evaporation core in the left and right sides of box, the bottom of microchannel evaporation core hug closely in the bottom of box, the microchannel evaporation core with the top of box forms the cavity, the fan is located the cavity.

2. The indoor unit of an air conditioner for a vehicle as claimed in claim 1, wherein: the microchannel evaporation core body comprises a plurality of microchannels and a plurality of radiating fins, the microchannels are sequentially distributed from front to back, and a plurality of radiating fins are arranged between every two adjacent microchannels.

3. An indoor unit of an air conditioner mounted on a vehicle as claimed in claim 1, wherein: the micro-channel evaporation core further comprises shockproof sealing cotton which is respectively arranged on the front side, the rear side and the tops of the left end and the right end of the micro-channel evaporation core.

4. The indoor unit of an air conditioner for a vehicle as claimed in claim 1, wherein: the fan box comprises a box body and is characterized by further comprising a top cover, a bottom plate, two side plates, a front plate and a rear plate, wherein the top cover and the bottom plate are respectively arranged at the top and the bottom of the box body, the side plates are respectively arranged at the left side and the right side of the box body, one of the side plates is provided with a clamping groove, the front plate and the rear plate are respectively arranged at the front side and the rear side of the box body, and the fan is fixed on the front plate.

5. The indoor unit of an air conditioner for a vehicle as claimed in claim 1, wherein: still include a plurality of mounting brackets, the mounting bracket is provided with the mounting hole, the mounting bracket is fixed in respectively the top inboard at both ends about the microchannel evaporation core.

6. The indoor unit of an air conditioner for a vehicle as claimed in claim 1, wherein: the fan comprises a double-shaft motor, a plurality of fan blades, two air guide cylinders and an installation panel, wherein the fan blades are fixed on a driving shaft of the double-shaft motor, the air guide cylinders are arranged outside the fan blades, and the two air guide cylinders are installed on the installation panel.