CN214267304U

CN214267304U - Automobile air conditioner with low refrigerant flow sound

Info

Publication number: CN214267304U
Application number: CN202023077716.1U
Authority: CN
Inventors: 钱文强; 刘鎏; 胡曲; 陈一博; 孙业圣; 崔厚明
Original assignee: Yuxin Automotive Thermal Management Technology Co Ltd
Current assignee: Yuxin Automotive Thermal Management Technology Co Ltd
Priority date: 2020-12-19
Filing date: 2020-12-19
Publication date: 2021-09-24
Anticipated expiration: 2030-12-19

Abstract

The utility model discloses a low refrigerant flow sound's vehicle air conditioner, including evaporimeter core, casing, heat preservation clay, bypass expansion valve, liquid inlet and outlet pipe, blower motor and sealing rubber ring, be equipped with evaporimeter core and blower motor in the casing, and evaporimeter core is located the right side of blower motor, evaporimeter core upper end is connected with bypass expansion valve through liquid inlet and outlet pipe, and be equipped with heat preservation clay on the liquid inlet and outlet pipe, and heat preservation clay and liquid inlet and outlet pipe are all in the casing, and the junction of casing and liquid inlet and outlet pipe is equipped with sealing rubber ring, through wrapping up rated weight and the heat preservation clay that easily glues on the drain pipe, leave the clearance that is not less than 3mm between liquid inlet and outlet pipe and the casing after wrapping up the heat preservation clay, prevent the contact of liquid inlet and outlet pipe and casing, and can reduce noise and penetrating power effectively through sealing rubber ring and preceding enclosing sealing, promote NVH performance, the device has the characteristics of simple noise reduction mode, easy realization, strong universality, low cost and the like.

Description

Automobile air conditioner with low refrigerant flow sound

Technical Field

The utility model relates to an automobile air conditioner technical field specifically is an automobile air conditioner of low refrigerant flow sound.

Background

The invention discloses a method for reducing flowing sound of a refrigerant of an automobile air conditioner, which has the function of improving or eliminating the flowing sound of the refrigerant of the automobile air conditioner during starting, closing or running.

The automobile air conditioning system mainly comprises a blower motor, an HVAC air conditioning box, a condenser, an expansion valve, system pipelines and the like, abnormal sound is easily generated due to two-phase flow of a refrigerant in the system in the initial stage of operation of the air conditioning refrigeration system, along with the development of the automobile industry, people have higher and higher requirements on the comfort of the environment in an automobile, especially in the current stage of rapid development of a new energy automobile, the abnormal sound in a driving cabin is more obvious and prominent, the comfort of a driver and passengers is seriously influenced, and therefore, the reduction of the refrigerant flow sound of the air conditioning system has very important significance on the whole automobile, especially on new energy automobile types.

Disclosure of Invention

The to-be-solved technical problem of the utility model is to overcome current defect, provide a vehicle air conditioner of low refrigerant flow sound, through assembly bypass expansion valve and parcel heat preservation clay, can effectively solve the problem in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a low refrigerant flow sound's vehicle air conditioner, including the evaporimeter core, a housing, the heat preservation clay, bypass expansion valve, advance the drain pipe, blower motor and sealing rubber ring, be equipped with evaporimeter core and blower motor in the casing, and the evaporimeter core is located blower motor's right side, evaporimeter core upper end is connected with bypass expansion valve through advancing the drain pipe, and be equipped with the heat preservation clay on advancing the drain pipe, and the heat preservation clay with advance the drain pipe and all in the casing, and the casing is equipped with sealing rubber ring with the junction of advancing the drain pipe.

Furthermore, the heat preservation clay is rated weight, and the heat preservation clay surface is equipped with the film, and is equipped with the clearance that is not less than 3mm between the business turn over liquid pipe and the casing of parcel heat preservation clay.

Furthermore, two groups of partition plates are arranged on the horizontal plane of the shell, which is positioned on the left side of the evaporator core, and the two groups of partition plates on the shell are positioned between the liquid inlet pipe and the liquid outlet pipe.

Furthermore, the front side of the evaporator core is provided with a warm air core, a corresponding warm air shell is arranged above the warm air core, the right side of the warm air shell is provided with a circulation box shell, the circulation box shell is positioned above the blower motor, the evaporator shell is arranged outside the evaporator core, and the lower end of the evaporator shell is provided with a drain pipe.

Furthermore, the joints of the pipeline end parts of the bypass expansion valve and the warm air core body and the shell are provided with front wall sealing sponge.

Compared with the prior art, the beneficial effects of the utility model are that: this vehicle air conditioner of low refrigerant flow sound, through the heat preservation clay of parcel rated weight on evaporator core body drain pipe, the heat preservation clay is easily pasted, and can be used to carry out the product upgrade on the product of volume production, at the in-process of parcel heat preservation clay, leaves the clearance that is not less than 3mm between advancing drain pipe and the casing after will wrapping up, prevents to advance the contact of drain pipe and casing to avoid the abnormal sound that probably produces.

Drawings

FIG. 1 is a schematic view of the interior of the structure of the present invention;

FIG. 2 is a partial schematic view of the structure of the present invention;

fig. 3 is a schematic view of the structure and appearance of the present invention.

In the figure: the heat-preservation air conditioner comprises an evaporator core body 1, a shell body 2, heat-preservation daub 3, a bypass expansion valve 4, a liquid inlet and outlet pipe 5, a blower motor 6, a sealing rubber ring 7, a warm air core body 8, an evaporator shell body 9, a water outlet pipe 10, a front wall sealing sponge 11, a circulation box shell 12 and a warm air shell 13.

Detailed Description

The technical solution 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 some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a low refrigerant flow noise automobile air conditioner, including evaporator core 1, body 2, heat preservation daub 3, bypass expansion valve 4, enter drain pipe 5, blower motor 6 and seal rubber ring 7, there are evaporator core 1 and blower motor 6 in the body 2, and the evaporator core 1 locates at the right side of blower motor 6, the upper end of the evaporator core 1 is connected with bypass expansion valve 4 through entering drain pipe 5, and enter the drain pipe 5 and have heat preservation daub 3, and heat preservation daub 3 and enter the drain pipe 5 and all in body 2, and the body 2 has seal rubber ring 7 with entering the junction of the drain pipe 5, the evaporator core 1 is the low core flow resistance, the input end of the blower motor 6 is electrically connected with output end of the external power, the seal rubber ring 7 has a sealing function to the air conditioner on the one hand, in order to prevent the outflow of the condensed water inside the air conditioner and avoid the air leakage inside the body, on the other hand and avoid the collision between entering the drain pipe 5 and the body 2, the device has the protection effect on the liquid inlet and outlet pipes 5 and also avoids causing certain abnormal sound, the heat-insulating cement 3 has the rated weight, the outer surface of the heat-insulating cement 3 is provided with a film to ensure that the shape of the heat-insulating cement 3 under the high-temperature condition does not change, a gap which is not less than 3mm is arranged between the liquid inlet and outlet pipes 5 and the shell 2 wrapping the heat-insulating cement 3 to prevent the abnormal sound caused by the bases of the liquid inlet and outlet pipes 5 and the shell 2, the shell 2 is internally provided with two groups of partition plates on the horizontal plane on the left side of the evaporator core 1, the two groups of partition plates on the shell 2 are positioned between the liquid inlet and outlet pipes 5 and have the positioning effect on the evaporator core 1 during assembly, the front side of the evaporator core 1 is provided with a warm air core 8, a corresponding warm air shell 13 is arranged above the warm air core 8, the right side of the warm air shell 13 is provided with a circulating box shell 12, and the circulating box shell 12 is positioned above the blast motor 6, the outside of the evaporator core body 1 is provided with an evaporator shell body 9, the lower end of the evaporator shell body 9 is provided with a drain pipe 10, in the running process of an air conditioner, air in a vehicle enters a circulation box shell body 12, then the air is blown into a warm air core body 8 and the evaporator core body 1 through a blower motor 6, cold and heat exchange is carried out through the warm air core body 8 and the evaporator core body 1, and gas after the cold and heat exchange is blown into the vehicle through a warm air shell body 13, so that the cooling and heating effects of the automobile air conditioner are completed, front wall sealing sponges 11 are arranged at the connection positions of the pipeline end parts of the bypass expansion valve 4 and the warm air core body 8 and the shell body 2, the front wall sealing sponges 11 can effectively reduce noise, reduce the penetrating power of the noise and improve the NVH performance, and the device has the characteristics of simple noise reduction mode, easiness in implementation, strong universality, low cost and the like.

When in use: the evaporator core 1 of the device is an evaporator core 1 with low flow resistance, then the evaporator core 1 is connected with a bypass expansion valve 4 through a liquid inlet and outlet pipe 5, heat-insulating cement 3 is wrapped on the liquid inlet and outlet pipe 5, a gap not smaller than 3mm is left between the liquid inlet and outlet pipe 5 and a shell 2 after wrapping the heat-insulating cement 3, the evaporator core 1 is prevented from contacting with the liquid inlet and outlet pipe 5 and the shell, so abnormal sound possibly generated is avoided, a separation plate for separating the liquid inlet and outlet pipe 5 is arranged on the left side of the shell 2 fixedly connected with the evaporator core 1 to avoid the abnormal sound generated by collision between the liquid inlet and outlet pipe 5, a sealing rubber ring 7 is arranged at the joint of the shell 2 and the liquid inlet and outlet pipe 5, the sealing rubber ring 7 has a certain sealing effect on one hand for the inside of an air conditioner to prevent condensed water from flowing out and air leakage inside the shell, and on the other hand, friction collision between the liquid inlet and outlet pipe 5 and the shell 2 is avoided, the automobile air conditioner has the advantages that the automobile air conditioner has a protection effect on the liquid inlet and outlet pipe 5, certain abnormal sound is avoided, in the running process of the air conditioner, air in the automobile enters the circulation box shell 12, then the air is blown into the warm air core body 8 and the evaporator core body 1 through the blower motor 6, cold and heat exchange is conducted through the warm air core body 8 and the evaporator core body 1, and gas after the cold and heat exchange is blown into the automobile through the warm air shell body 13, so that the refrigeration and heating effects of the automobile air conditioner are achieved, and the noise and the penetrating power can be effectively reduced through the front wall sealing sponge 11 arranged at the joint of the pipeline end part of the bypass expansion valve 4 and the warm air core body 8 and the shell body 2, and the NVH performance is improved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a low refrigerant flow sound's vehicle air conditioner, includes evaporimeter core (1), casing (2), heat preservation clay (3), bypass expansion valve (4), business turn over liquid pipe (5), blower motor (6) and rubber gasket (7), its characterized in that: be equipped with evaporimeter core (1) and blower motor (6) in casing (2), and evaporimeter core (1) is located the right side of blower motor (6), evaporimeter core (1) upper end is connected with bypass expansion valve (4) through advancing drain pipe (5), and advances to be equipped with on drain pipe (5) heat preservation clay (3), and heat preservation clay (3) and advance drain pipe (5) and all in casing (2), and casing (2) and the junction of business turn over liquid pipe (5) are equipped with sealing rubber ring (7).

2. The air conditioner for a vehicle with low refrigerant flow noise as claimed in claim 1, wherein: the heat-preservation daub (3) is of rated weight, the outer surface of the heat-preservation daub (3) is provided with a film, and a gap which is not less than 3mm is arranged between the liquid inlet and outlet pipe (5) wrapping the heat-preservation daub (3) and the shell (2).

3. The air conditioner for a vehicle with low refrigerant flow noise as claimed in claim 1, wherein: two groups of partition plates are arranged on a horizontal plane on the left side of the evaporator core body (1) in the shell (2), and the two groups of partition plates on the shell (2) are positioned between the liquid inlet and outlet pipes (5).

4. The air conditioner for a vehicle with low refrigerant flow noise as claimed in claim 1, wherein: the front side of the evaporator core (1) is provided with a warm air core (8), a corresponding warm air shell (13) is arranged above the warm air core (8), the right side of the warm air shell (13) is provided with a circulating box shell (12), the circulating box shell (12) is positioned above the blower motor (6), the evaporator shell (9) is arranged outside the evaporator core (1), and the lower end of the evaporator shell (9) is provided with a drain pipe (10).

5. The air conditioner for a vehicle with low refrigerant flow noise as claimed in claim 1, wherein: front wall sealing sponge (11) is arranged at the joint of the pipeline end parts of the bypass expansion valve (4) and the warm air core body (8) and the shell (2).