Tractor air conditioner cooling system

Abstract

The utility model relates to the technical field of agricultural machinery, in particular to a tractor air conditioner cooling system which comprises an air conditioner cooling system body, the air conditioner cooling system body at least comprises a compressor and a condenser, the condenser is fixedly installed right in front of the compressor, and an input port of the compressor is fixedly connected with an output port of an evaporator through a low-pressure pipeline. According to the tractor air conditioner cooling system, the high-pressure pipeline is adjusted to extend out of the cab rear stand column from a traditional arrangement mode, so that the problem that the appearance of the pipeline is not attractive after the pipeline extends out of the front stand column is solved; and the middle of the high-pressure pipeline and the middle of the low-pressure pipeline at the front end of the cab are connected through the quick connectors, the quick connectors are convenient to connect and disassemble, during disassembly, only the external sleeves of the connectors need to be pulled by hands, the connector plugs and the connector bodies are quickly separated, and fluid is automatically sealed without leakage.

Description

TECHNICAL FIELD

[0001] The utility model relates to agricultural machinery technical field especially is a tractor air conditioning cooling system. BACKGROUND

[0002] The tractor air conditioning cooling system is an important component to ensure its normal operation, the high pressure pipeline and low pressure pipeline in traditional tractor air conditioning cooling system are inconvenient to disassemble, not only this, the high pressure pipeline and low pressure pipeline in traditional tractor air conditioning cooling system are easy to cause cooling liquid loss to cause economic loss and environmental pollution problem when disassembling, in view of this, provide a tractor air conditioning cooling system. SUMMARY

[0003] The main purpose of the utility model is to provide a tractor air conditioning cooling system to solve the problems raised in the background art.

[0004] In order to achieve the above object, according to one aspect of the utility model, a tractor air conditioning cooling system is provided, comprising air conditioning cooling system, the air conditioning cooling system at least includes compressor and condenser, the condenser is fixedly installed at the front of compressor, the compressor input is fixedly connected with evaporator output through low pressure pipeline, the low pressure pipeline is fixedly provided with low pressure pipeline quick connector in the middle, the evaporator side wall is fixedly installed with expansion valve, the condenser one end is fixedly provided with desiccator near the edge, the desiccator output is fixedly connected with expansion valve through high pressure pipeline, and the high pressure pipeline is fixedly provided with high pressure pipeline quick connector in the middle.

[0005] As a preferred technical scheme of the utility model: the compressor one end is fixedly installed with pulley, the compressor is fixedly connected with evaporator through pipeline, and the compressor output is fixedly connected with condenser input through pipeline.

[0006] As a preferred technical scheme of the utility model: the condenser is rectangular structure, the condenser is used for heat dissipation to high temperature and high pressure refrigerant gas transported from the compressor and is cooled into liquid refrigerant, and the condenser output is fixedly connected with desiccator input through pipeline.

[0007] As a preferred technical scheme of the utility model: the desiccator is cylindrical structure, and the desiccator is used for removing water and impurities in liquid refrigerant.

[0008] As a preferred technical scheme of the utility model: the expansion valve is fixedly installed before the input of evaporator, one side of the expansion valve is fixedly connected with high pressure pipeline, and the expansion valve is used for converting liquid refrigerant into low temperature and low pressure fog-shaped refrigerant.

[0009] As a preferred technical scheme of the utility model: the evaporator is rectangular, the evaporator is fixedly installed at the top of the cab, and a blower is fixedly arranged on one side of the evaporator, the blower is used for blowing the gas on the surface of the evaporator into the cab.

[0010] As a preferred technical scheme of the utility model: the low-pressure pipeline quick connector and the high-pressure pipeline quick connector are respectively used for the direct connection between two low-pressure pipelines and the direct connection between two high-pressure pipelines, the low-pressure pipeline quick connector and the high-pressure pipeline quick connector all comprise a sleeve and a plug, the plug is fixedly installed in the low-pressure pipeline quick connector and the high-pressure pipeline quick connector, and the sleeve is slidably clamped outside the low-pressure pipeline quick connector and the high-pressure pipeline quick connector.

[0011] Compared with the prior art, the utility model has the following beneficial effects:

[0012] In the tractor air conditioning cooling system, the high-pressure pipeline and the low-pressure pipeline are connected by the quick connector in the middle of each pipeline, the quick connector is convenient to connect and disassemble, when disassembling, only the sleeve outside the connector needs to be pulled by hand, the plug of the connector is quickly separated from the connector body and automatically seals the fluid and does not leak. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is one of tractor air conditioning cooling system schematic diagrams in the preferred embodiment of the utility model;

[0014] Figure 2 It is the second tractor air conditioning cooling system schematic diagram in the preferred embodiment of the utility model;

[0015] Figure 3 It is the third tractor air conditioning cooling system schematic diagram in the preferred embodiment of the utility model;

[0016] Figure 4 It is the high-pressure pipeline quick connector structure schematic diagram in the preferred embodiment of the utility model; Figure 3 It is the structure A local enlarged schematic diagram in the preferred embodiment of the utility model;

[0017] Figure 5 It is the pipeline and evaporator connecting structure schematic diagram in the preferred embodiment of the utility model;

[0018] Figure 6 It is the high-pressure pipeline quick connector structure schematic diagram in the preferred embodiment of the utility model.

[0019] ILLUSTRATIVE DESCRIPTION:

[0020] 1 compressor; 2 condenser; 3 dryer; 4 high pressure pipeline; 5 high pressure pipeline quick connector; 6 low pressure pipeline quick connector; 7 expansion valve; 8 evaporator; 9 low pressure pipeline; 10 blower; 11 pulley; 12 air conditioning cooling system; 13 sleeve; 14 plug. DETAILED DESCRIPTION

[0021] In order to further illustrate the technical means and effects taken by the utility model to achieve the predetermined utility model purposes, the specific embodiments, structures, features and effects according to the utility model will be described in detail as follows in combination with the drawings and preferred embodiments.

[0022] Please refer to Figures 1-6 The embodiment aims to provide a tractor air conditioning cooling system, which comprises an air conditioning cooling system 12, the air conditioning cooling system 12 at least comprising a compressor 1 and a condenser 2, the condenser 2 being fixedly installed in front of the compressor 1, an input of the compressor 1 being fixedly connected with an output of an evaporator 8 through a low pressure pipeline 9, a low pressure pipeline quick connector 6 being fixedly arranged in the middle of the low pressure pipeline 9, an expansion valve 7 being fixedly installed on a side wall of the evaporator 8, a dryer 3 being fixedly arranged at an edge of one end of the condenser 2, an output of the dryer 3 being fixedly connected with the expansion valve 7 through a high pressure pipeline 4, and a high pressure pipeline quick connector 5 being fixedly arranged in the middle of the high pressure pipeline 4.

[0023] One end of the compressor 1 is fixedly installed with a pulley 11, the pulley 11 being driven to rotate by a crankshaft of an engine, two pulleys 11 being connected through a belt drive, so that the engine crankshaft drives the compressor 1, the compressor 1 being fixedly connected with the evaporator 8 through a pipeline, the compressor 1 being used for compressing low-temperature and low-pressure refrigerant gas in the evaporator 8 into high-temperature and high-pressure refrigerant gas with a pressure of 1.7 Mpa and a temperature of 70 DEG C, an output of the compressor 1 being fixedly connected with an input of the condenser 2 through a pipeline.

[0024] The condenser 2 is of a rectangular structure, the condenser 2 being used for radiating and cooling the high-temperature and high-pressure refrigerant gas transported from the compressor 1 into liquid refrigerant with a temperature of 50 DEG C and a pressure of about 1.7 Mpa, the condenser 2 being provided with an S-shaped condensing circuit, so that the refrigerant gas can be better radiated, and an output of the condenser 2 being fixedly connected with an input of the dryer 3 through a pipeline.

[0025] The dryer 3 is of a cylindrical structure, the dryer 3 being used for removing water and impurities in the liquid refrigerant, so as to avoid water blockage, ice blockage or dirt blockage of the air conditioning cooling system.

[0026] The expansion valve 7 is fixedly installed in front of the input port of the evaporator 8, one side of the expansion valve 7 is fixedly connected with the high-pressure pipeline 4, the expansion valve 7 converts the liquid refrigerant into low-temperature and low-pressure mist refrigerant with a pressure of 0.1 Mpa and a temperature of 1-5℃ through throttling, and the expansion valve 7 sprays the low-temperature and low-pressure mist refrigerant into the evaporator 8, the mist refrigerant can better exchange heat with the outside in the evaporator 8, the mist has a larger surface area, so that the heat exchange efficiency is improved.

[0027] The evaporator 8 is rectangular, the evaporator 8 is fixedly installed on the top of the cab, and one side of the evaporator 8 is fixedly provided with the air blower 10, the air blower 10 is used for blowing the gas on the surface of the evaporator 8 into the cab, because of absorbing heat, the refrigerant gas reaches the evaporator outlet when the temperature rises to about 5℃, the compressor 1 continuously operates, and the vaporized refrigerant is sucked into the compressor 1, so that the above working process is continuously circulated.

[0028] The low-pressure pipeline quick connector 6 and the high-pressure pipeline quick connector 5 are respectively used for direct connection between two low-pressure pipelines 9 and direct connection between two high-pressure pipelines 4, the low-pressure pipeline quick connector 6 and the high-pressure pipeline quick connector 5 both include a sleeve 13 and a plug 14, the plug 14 is fixedly installed in the low-pressure pipeline quick connector 6 and the high-pressure pipeline quick connector 5, the sleeve 13 is fixedly installed outside the low-pressure pipeline quick connector 6 and the high-pressure pipeline quick connector 5, the plug 14 is inserted into the sleeve 13, the outer wall protrusions of the plug 14 are matched with the inner wall recesses of the sleeve 13, when the plug 14 is completely inserted into the sleeve 13, the plug 14 extrudes the rubber sealing ring in the sleeve 13, the rubber sealing ring is deformed and fills the gap between the plug 14 and the sleeve 13, the outer wall of the sleeve 13 is fixed by a bolt, the plug 14 and the sleeve 13 are fixed, the pipelines are connected by the quick connector, the quick connector is convenient to connect and disassemble, when disassembling, only the sleeve 13 outside the connector needs to be pulled by hand, the rubber sealing ring returns to the original state to seal the pipeline port, the outer wall protrusions of the plug 14 are separated from the inner wall recesses of the sleeve 13, the connector plug 14 and the connector body are quickly separated and automatically seal the fluid to prevent leakage.

[0029] The utility model discloses in specific use, engine crankshaft drives compressor 1 rotation through transmission pulley, inhales low temperature low pressure refrigerant gas from evaporator 8, and it is compressed into high temperature high pressure refrigerant gas of pressure 1.7Mpa temperature 70 DEG C, along pipeline delivery to condenser 2, and refrigerant gas enters condenser 2 after heat dissipation temperature drops to 50 DEG C, becomes liquid refrigerant of pressure 1.7Mpa or so, then along pipeline enters drier 3, removes moisture and impurity, then after high pressure pipeline 4 delivery to evaporator 8 before the expansion valve 7 of inlet, through expansion valve 7 throttling becomes low temperature low pressure mist refrigerant of pressure 0.1Mpa, temperature 1-5 DEG C, and sprays into evaporator 8, and refrigerant boils and vaporizes in evaporator 8 and absorbs the heat in surrounding air, thereby make evaporator 8 and surrounding air temperature reduce, and evaporator 8 always keeps low temperature, and air blower 10 blows air to evaporator 8 surface and makes air cooling become cold air and sends into cab, because absorbs heat, refrigerant gas reaches evaporator 8 export when temperature rises to 5 DEG C or so, and compressor 1 does not stop running work, and vaporized refrigerant is inhaled again by compressor 1, thereby continuously circulates above-mentioned working process.

[0030] The above, only the preferred embodiment of the utility model, not any form on the restriction of the utility model, although the utility model has disclosed as above with preferred embodiment, however not to limit the utility model, any person skilled in the art, when can utilize the technical content disclosed above makes a little more change or modification is equivalent variation equivalent embodiment, but as long as not departing from the technical scheme of the utility model, according to the technical essence of the utility model, any brief introduction modification, equivalent variation and modification of above embodiment, all still belong to the range of the utility model technical scheme.

Claims

1. A tractor air conditioning cooling system, comprising an air conditioning cooling system (12), characterized in that: The air conditioning cooling system (12) includes at least a compressor (1) and a condenser (2). The condenser (2) is fixedly installed in front of the compressor (1). The inlet of the compressor (1) is fixedly connected to the outlet of the evaporator (8) through a low-pressure pipe (9). A low-pressure pipe quick connector (6) is fixedly installed in the middle of the low-pressure pipe (9). An expansion valve (7) is fixedly installed on the side wall of the evaporator (8). A dryer (3) is fixedly installed near the edge of one end of the condenser (2). The outlet of the dryer (3) is fixedly connected to the expansion valve (7) through a high-pressure pipe (4). A high-pressure pipe quick connector (5) is fixedly installed in the middle of the high-pressure pipe (4).

2. The tractor air conditioning cooling system according to claim 1, characterized in that: One end of the compressor (1) is fixedly equipped with a pulley (11). The compressor (1) is fixedly connected to the evaporator (8) through a pipe. The output port of the compressor (1) is fixedly connected to the input port of the condenser (2) through a pipe.

3. The tractor air conditioning cooling system according to claim 1, characterized in that: The condenser (2) has a rectangular structure. The condenser (2) is used to dissipate heat from the high-temperature and high-pressure refrigerant gas transported from the compressor (1) and cool it into liquid refrigerant. The outlet of the condenser (2) is fixedly connected to the inlet of the dryer (3) through a pipe.

4. The tractor air conditioning cooling system according to claim 1, characterized in that: The dryer (3) has a cylindrical structure and is used to remove moisture and impurities from the liquid refrigerant.

5. The tractor air conditioning cooling system according to claim 1, characterized in that: The expansion valve (7) is fixedly installed in front of the inlet of the evaporator (8). One side of the expansion valve (7) is fixedly connected to the high-pressure pipeline (4). The expansion valve (7) is used to convert liquid refrigerant into low-temperature and low-pressure mist refrigerant.

6. The tractor air conditioning cooling system according to claim 1, characterized in that: The evaporator (8) is rectangular and is fixedly installed on the top of the cab. A blower (10) is fixedly installed on one side of the evaporator (8) and is used to blow the gas on the surface of the evaporator (8) into the cab.

7. The tractor air conditioning cooling system according to claim 1, characterized in that: The low-pressure pipe quick connector (6) and the high-pressure pipe quick connector (5) are used for direct connection between two low-pressure pipes (9) and direct connection between two high-pressure pipes (4), respectively. The low-pressure pipe quick connector (6) and the high-pressure pipe quick connector (5) both include a sleeve (13) and a plug (14). The plug (14) is fixedly installed inside the low-pressure pipe quick connector (6) and the high-pressure pipe quick connector (5). The sleeve (13) is slidably engaged with the outside of the low-pressure pipe quick connector (6) and the high-pressure pipe quick connector (5).

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