CN212422744U

CN212422744U - Air conditioner refrigerating system and automobile

Info

Publication number: CN212422744U
Application number: CN202021730119.1U
Authority: CN
Inventors: 高威敏; 卢文杰; 吴金; 陈立伟; 姜筱华; 单丰武
Original assignee: Jiangxi Jiangling Group New Energy Automobile Co Ltd
Current assignee: Jiangxi Jiangling Group New Energy Automobile Co Ltd
Priority date: 2020-08-18
Filing date: 2020-08-18
Publication date: 2021-01-29
Anticipated expiration: 2030-08-18

Abstract

The utility model provides an air-conditioning refrigeration system and an automobile, wherein the system comprises a condenser, a compressor, a first expansion valve, a second expansion valve, two three-way joints and a heat exchanger, the air-conditioning refrigeration system is connected through an air-conditioning pipeline, and the air-conditioning pipeline comprises an air suction pipe, an exhaust pipe and a high-pressure pipe; one three-way joint is connected with the first expansion valve, the second expansion valve and the condenser, the other three-way joint is connected with the first expansion valve, the second expansion valve and the compressor, and the compressor and the condenser are connected through an exhaust pipe, so that the air-conditioning refrigeration system forms two refrigeration loops; one refrigeration loop comprises a compressor, a condenser, a three-way joint, a first expansion valve and a three-way joint which are connected in sequence; the other refrigerating loop comprises a compressor, a condenser, a three-way joint, a second expansion valve and a three-way joint, the second expansion valve is further connected with a heat exchanger, and the heat exchanger is connected with a water cooling pipeline. The utility model discloses can dispel the heat to the battery package, optimize its service condition, promote life.

Description

Air conditioner refrigerating system and automobile

Technical Field

The utility model relates to an auto-parts field, in particular to air conditioner refrigerating system and car.

Background

With the rapid development of economy, the increment of automobiles is increased year by year, and new energy automobiles occupy more and more important positions in the field of automobiles.

Compared with the traditional fuel automobile, the new energy automobile adopts the electric power energy as the power supply, the power is strong, the noise is little, maintain advantages such as low cost, however adopt the electric energy as the influence that the vehicle power energy often can accompany the continuation of the journey problem, especially appear the problem that the continuation of the journey mileage reduces after using certain cycle, its main cause reason is because the battery package is as energy supply module, in the course of the work, can accompany the phenomenon of generating heat, nevertheless because the battery package is located the position and have certain waterproof nature requirement, so that the battery package is in comparatively sealed environment, the heat is difficult to disperse, when the battery package is under the high temperature state for a long time, the cycle of its self loss will shorten greatly, so that the decay of vehicle duration is accelerated.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an air conditioner refrigerating system for carry out the heat transfer for the battery package, with the operational environment who optimizes the battery package, thereby the weak process that the battery package slows down.

The utility model provides an air-conditioning refrigeration system, which comprises a condenser, a compressor, a first expansion valve, a second expansion valve, two three-way joints and a heat exchanger, wherein the air-conditioning refrigeration system is connected through an air-conditioning pipeline; one of the three-way joints is respectively connected with the first expansion valve, the second expansion valve and the condenser, the other three-way joint is respectively connected with the first expansion valve, the second expansion valve and the compressor, and the compressor and the condenser are connected through the exhaust pipe, so that the air-conditioning refrigeration system forms two refrigeration loops; one of the refrigeration circuits includes the compressor, the condenser, the three-way joint, the first expansion valve, and the three-way joint, which are connected in sequence; the other refrigerating loop comprises the compressor, the condenser, the three-way joint, the second expansion valve and the three-way joint, the second expansion valve is further connected with a heat exchanger, and the heat exchanger is connected with a water cooling pipeline.

Furthermore, a stop valve is arranged between the first expansion valve and the three-way joint.

Further, the air-conditioning pipeline comprises an air suction pipe, an exhaust pipe and a high-pressure pipe, the air-conditioning pipeline connecting the condenser to the first expansion valve and the second expansion valve is the high-pressure pipe, and the air-conditioning pipeline connecting the first expansion valve and the second expansion valve to the compressor is the air suction pipe.

Further, the air conditioner pipeline comprises an aluminum pipe and a rubber pipe connected with the aluminum pipe, and the aluminum pipe is fixedly connected with the rubber pipe through a fastener.

Furthermore, a tri-state pressure switch is arranged on the air-conditioning pipeline and is arranged on one side of the fastening piece.

Furthermore, the water cooling pipeline is arranged in a shape like Chinese character 'chuan'.

Furthermore, a filling port and a liquid sight glass are arranged on the refrigerating circuit.

The utility model provides an air conditioner refrigerating system, the refrigeration circuit through adopting three way connection to fall into two pipelines with the pipeline of air conditioner, one of them pipeline is exported to the cockpit of car, the pipeline that another pipeline was separated by three way connection passes through second expansion valve flow direction heat exchanger, be connected rather than the water-cooling pipeline of being connected through the heat exchanger, so that the water-cooling pipeline carries out the heat absorption to the battery package, reach the effect purpose that the control battery package is the temperature value, thereby the operational environment temperature of battery package has been improved, make the life of battery package obtain the extension.

The utility model also provides a car, and the battery package of this car carries out the temperature regulation and control through foretell air conditioner refrigerating system to the technical problem of battery package durability in the use has been optimized to this car.

Drawings

Fig. 1 is a schematic flow chart of an air conditioning refrigeration system according to a first embodiment of the present invention;

fig. 2 is a schematic structural view of an air-conditioning refrigeration system according to a first embodiment of the present invention;

FIG. 3 is a schematic view of the hollow modulating cooling system of FIG. 2 in a reverse configuration;

FIG. 4 is an enlarged view of the structure of portion I of FIG. 3;

fig. 5 is an enlarged view of the structure of the heat exchanger in fig. 2.

Description of the main elements

Air-conditioning refrigeration system	10	Air suction pipe	11
				Exhaust pipe	12	High-pressure pipe	13
Water-cooling pipeline	14	Fastening piece	15
				Three-state pressure switch	16	Filling port	17
Liquid viewing mirror	18	Condenser	20
				Compressor	30	Heat exchanger	40
Heat exchange fin	41	Water circulation pipeline connector	42
				High-pressure pipe interface	43	Suction pipe interface	44
Three-way joint	50	First expansionValve with a valve body	60
				Second expansion valve	70	Stop valve	80

The following detailed description of the invention will be further described in conjunction with the above-identified drawings.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. Several embodiments of the invention are given in the accompanying drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured 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. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

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 invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 to 5, in order to provide an air-conditioning and refrigeration system 10 according to an embodiment of the present invention, the air-conditioning and refrigeration system 10 specifically includes a condenser 20, a compressor 30, two three-way joints 50 of a heat exchanger 40, a first expansion valve 60, and a second expansion valve 70, and the air-conditioning and refrigeration system is connected by an air-conditioning pipeline, which includes an air suction pipe 11, an air discharge pipe 12, and a high-pressure pipe 13;

specifically, one of the three-way joints 50 is connected to the first expansion valve 60, the second expansion valve 70 and the condenser 20, and the other three-way joint 50 is connected to the first expansion valve 60, the second expansion valve 70 and the compressor 30. Wherein, the compressor 30 and the condenser 20 are connected through the exhaust pipe 12, so that the air-conditioning refrigeration system forms two refrigeration loops; one of the refrigeration circuits includes a compressor 30, a condenser 20, a three-way joint 50, a first expansion valve 60, and a three-way joint 50, which flow through in sequence; the other refrigerating circuit comprises a compressor 30, a condenser 20, a three-way joint 50, a second expansion valve 70 and the three-way joint 50, in addition, the second expansion valve 70 is also connected with a heat exchanger 40, and the heat exchanger 40 is connected with a water cooling pipeline 14.

Specifically, one of the two refrigeration loops of the air-conditioning refrigeration system 10 is used for regulating and controlling the temperature in the conventional driving cabin, and the other refrigeration loop is connected with the heat exchanger 40, so that the water in the water-cooling pipeline 14 connected with the heat exchanger 40 is cooled through heat exchange, and the water-cooling pipeline 14 flows towards the battery pack, so that the sealed cavity for placing the battery pack is cooled.

The utility model discloses the air conditioner refrigerating system 10 that the first embodiment provided still is equipped with a stop valve 80 between first expansion valve 60 and the three way connection 50, and is concrete the utility model discloses in the first embodiment, stop valve 80 locates on the pipeline of high-pressure pipe 13, through the stop valve 80 that sets up so that pressurize, trade the pipe, overhaul the operation such as.

Further, the air-conditioning pipelines from the compressor 30 to the condenser 20 to the first expansion valve 60 and the second expansion valve 70 are high-pressure pipes 13, the compressor 30 outputs a high-temperature high-pressure refrigerant to the condenser for condensation to form a low-temperature high-pressure refrigerant, the low-temperature high-pressure refrigerant is transmitted to the heat exchanger 40 connected with the second expansion valve 70 through the high-pressure pipes 13 for heat exchange, and the low-temperature high-pressure refrigerant finally flows to the compressor 30 through the suction pipe 12 after the heat exchange.

Referring to fig. 3, in order to provide the heat exchanger 40 according to the first embodiment of the present invention, the heat exchanger includes a heat exchanging plate 41 and two water circulation pipe joints 42 disposed at two ends of the lower side of the heat exchanging plate 41, the water circulation pipe joints are used for being connected to the water cooling pipe 14, and the upper end of the heat exchanging plate 41 is further provided with a high pressure pipe joint 43 and an air suction pipe joint 44, which are respectively connected to the high pressure pipe 13 and the air suction pipe 11.

Further, the air conditioner pipeline includes the aluminum pipe and the rubber tube of being connected with the aluminum pipe, and the aluminum pipe passes through 15 fixed connection of fastener with the rubber tube, the utility model discloses the air conditioner refrigerating system 10 that the first embodiment provided, its pipeline adopt aluminum pipe and rubber tube cooperation to use, and the characteristic that its elastic potential energy of rubber tube through setting up is high has optimized the damping performance of this air conditioner refrigerating system 10 pipeline to avoid adopting the full aluminum pipe because the drawback that the vibration production was broken.

In addition, a three-state pressure switch 16 is arranged on the air conditioning pipeline, specifically, the three-state pressure switch is arranged at a position close to the fastening member 15, and the three-state pressure switch 16 is used for checking the pressure value of the current position so as to check whether refrigerant overflow and leakage occur at the position of the fastening member 15.

Furthermore, a filling port 17 and a liquid observation mirror 18 are arranged on the refrigeration loop and are respectively used for filling the refrigerant and observing whether the refrigerant needs to be supplemented.

The utility model provides an air conditioner refrigerating system 10, its water cooling pipeline 14 is the circuitous setting of river style of calligraphy (not shown) in battery package position to strengthen the heat absorption performance to battery package position.

In the air-conditioning refrigeration system 10 newly provided in practical use, one refrigeration loop is connected with the heat exchanger 40 through the three-way joint 50, so that the heat exchanger 40 can be connected with the water cooling pipeline 40 and can perform a heat exchange function on the water cooling pipeline 40, and the purpose of adjusting the temperature of the battery pack is achieved; operations such as pressurization, pipe replacement, maintenance and the like of the air-conditioning refrigeration system 10 are realized through the arranged stop valve 80; the aluminum pipe and the rubber pipe are connected in a matched mode to optimize the vibration resistance of the air conditioner pipeline.

The utility model provides an adopt above-mentioned air conditioner refrigerating system 10's car is still provided, through adopting above-mentioned air conditioner refrigerating system 10 to strengthen the heat-sinking capability to this car battery package, and then optimize this car in the technical problem of use battery package durability.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. The air-conditioning refrigeration system is characterized by comprising a condenser, a compressor, a first expansion valve, a second expansion valve, two three-way joints and a heat exchanger, wherein the air-conditioning refrigeration system is connected through an air-conditioning pipeline;

one of the three-way joints is respectively connected with the first expansion valve, the second expansion valve and the condenser, the other three-way joint is respectively connected with the first expansion valve, the second expansion valve and the compressor, and the compressor and the condenser are connected through an exhaust pipe, so that the air-conditioning refrigeration system forms two refrigeration loops;

one of the refrigeration circuits includes the compressor, the condenser, the three-way joint, the first expansion valve, and the three-way joint, which are connected in sequence; the other refrigerating loop comprises the compressor, the condenser, the three-way joint, the second expansion valve and the three-way joint, the second expansion valve is further connected with a heat exchanger, and the heat exchanger is connected with a water cooling pipeline.

2. An air conditioning refrigeration system as recited in claim 1 further including a shut off valve between said first expansion valve and said tee fitting.

3. An air conditioning refrigeration system according to claim 1 wherein said air conditioning piping includes an air suction pipe, an air discharge pipe and a high pressure pipe, said air conditioning piping connecting said condenser to said first expansion valve and said second expansion valve being said high pressure pipe, said air conditioning piping connecting said first expansion valve and said second expansion valve to said compressor being said air suction pipe.

4. An air conditioning refrigeration system as set forth in claim 1 wherein said air conditioning piping comprises an aluminum pipe and a rubber pipe connected to said aluminum pipe, said aluminum pipe and said rubber pipe being fixedly connected by a fastener.

5. An air conditioning refrigeration system as recited in claim 4 wherein said air conditioning duct has a tri-state pressure switch disposed on a side of said fastener.

6. An air-conditioning refrigeration system as claimed in claim 1, wherein the water cooling pipeline is arranged in a Chinese character 'chuan' shape.

7. An air conditioning refrigeration system as recited in claim 1 wherein said refrigeration circuit is provided with a fill port and a sight glass.

8. An automobile, wherein a battery pack is arranged on the automobile, and the automobile is provided with the air-conditioning refrigeration system according to any one of claims 1 to 7, and the battery pack is cooled by the air-conditioning refrigeration system.