KR101734281B1 - Condenser for vehicle - Google Patents

Abstract

A vehicle capacitor is disclosed. The compressor for a vehicle according to the present invention includes an expansion valve for expanding a liquid refrigerant, an evaporator for evaporating the refrigerant expanded through the expansion valve through heat exchange with air, and a compressor for receiving and compressing gaseous refrigerant from the evaporator In an air conditioner system including a compressor, a plurality of plates are stacked in order to condense the refrigerant through heat exchange with the refrigerant flowing from the compressor by circulating the cooling water supplied from the radiator provided between the compressor and the expansion valve, A main heat dissipating unit connected to the radiator to circulate the cooling water and circulate the refrigerant supplied from the compressor to condense the refrigerant through mutual heat exchange; A receiver dryer unit which is integrally formed at one end of the main radiator unit and connected to the main radiator unit so as to discharge the liquid refrigerant by removing the gas-liquid separation and moisture of the refrigerant by flowing the refrigerant condensed through the main radiator unit; The main radiator being connected to the main radiator and the main radiator, the main radiator being connected to the main radiator and the main radiator, A supercooled heat dissipating unit for subcooling through mutual heat exchange; And an accumulator part integrally formed at the other end of the main heat dissipating part and the sub-cooled heat dissipating part so as to discharge the low-temperature and low-pressure refrigerant passing through the super-cooled heat dissipating part to only the gaseous refrigerant into the compressor, .

Description

CONDENSER FOR VEHICLE

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a vehicular capacitor, and more particularly, to a vehicular condenser applied with a water cooling type for condensing refrigerant using cooling water.

Generally, the air conditioner system of a car maintains a comfortable indoor environment by keeping the temperature of the automobile room at an appropriate temperature regardless of the temperature change of the outside.

The air conditioner system includes a compressor for compressing a refrigerant, a condenser for condensing and liquefying the refrigerant compressed in the compressor, an expansion valve for rapidly expanding the refrigerant condensed and liquefied in the condenser, and a condenser for evaporating the refrigerant expanded in the expansion valve And an evaporator for cooling the air blown into the room using the latent heat of evaporation of the refrigerant while the air conditioning system is installed.

Here, the condenser is configured to cool compressed high temperature and high pressure gas refrigerant through the outside air flowing into the vehicle during traveling to condense it into low temperature liquid refrigerant.

These condensers are usually connected to the receiver drier and piping to improve condensation efficiency through gas-liquid separation and to remove moisture from the refrigerant.

The condenser of the vehicle is a pin-tube type structure in which the air is radiated to the outside air and the overall size of the condenser is increased in order to increase the cooling performance. Thus, there is a disadvantage that the layout is restricted within a narrow engine room.

In order to solve such a disadvantage, recently, a water-cooled condenser using cooling water as a cooling fluid has been applied to vehicles.

However, since the condenser of the vehicle using the water-cooled type has a lower condensation temperature than the air-cooled type, the condensing efficiency is lowered due to the subcool effect due to the temperature difference with the external temperature being lowered. There is a problem of deterioration.

Further, in order to increase the condensing efficiency or increase the cooling efficiency of the vehicle-use condenser, it is necessary to increase the size of the radiator or to increase the capacity of the cooling fan, thereby increasing the cost and weight, There is a problem that the piping layout of the connection with the dryer becomes complicated.

In the embodiment of the present invention, the refrigerant is condensed using cooling water in a laminated plate type in which a receiver dryer and an accumulator are integrally formed, and the condensed refrigerant is supercooled through mutual heat exchange with the low temperature low pressure gas refrigerant supplied through the evaporator It is possible to eliminate a separate device for further subcooling the condensed refrigerant, thereby reducing the cost of parts and weight by reducing the number of components and the layout of the connecting piping, and by reducing the carcass volume of the receiver dryer to increase the heat radiating area, The cooling efficiency and the overall cooling performance of the vehicle.

The present invention also provides a vehicular condenser in which only the refrigerant in the gaseous state is supplied to the compressor to prevent the compressor from being damaged due to the inflow of the liquid refrigerant, thereby improving the durability of the compressor.

According to one or more embodiments of the present invention, there is provided an air conditioner comprising: an expansion valve for expanding a liquid refrigerant; an evaporator for evaporating the refrigerant expanded through the expansion valve through heat exchange with air; In an air conditioner system including a compressor, a plurality of plates are stacked in order to condense the refrigerant through heat exchange with the refrigerant flowing from the compressor by circulating the cooling water supplied from the radiator provided between the compressor and the expansion valve, A main heat dissipating unit connected to the radiator to circulate the cooling water and circulate the refrigerant supplied from the compressor to condense the refrigerant through mutual heat exchange; A receiver dryer unit which is integrally formed at one end of the main radiator unit and connected to the main radiator unit so as to discharge the liquid refrigerant by removing the gas-liquid separation and moisture of the refrigerant by flowing the refrigerant condensed through the main radiator unit; The main radiator being connected to the main radiator and the main radiator, the main radiator being connected to the main radiator and the main radiator, A supercooled heat dissipating unit for subcooling through mutual heat exchange; And an accumulator part integrally formed at the other end of the main heat dissipating part and the sub-cooled heat dissipating part so as to discharge only the gaseous refrigerant into the compressor by flowing low-temperature low-pressure refrigerant passing through the super-cooled heat dissipating part, And a second connection channel is formed in a lower portion of the main radiator to introduce refrigerant condensed into the receiver drier unit, and the second connection pipe is connected to the main body radiator so that the refrigerant separated from the receiver dryer unit and the moisture- And the third sub-passage is formed in the super-cooled heat dissipating unit so that the low-temperature low-pressure gaseous refrigerant introduced from the evaporator is introduced into the accumulator unit. The main heat-radiating unit, the sub-cooled radiator, and the accumulator unit Upper and lower covers are mounted on the upper and lower sides, respectively, and between the upper and lower covers Intends to provide a vehicle, it characterized in that the capacitor is configured.

The main heat dissipating unit may exchange heat between the cooling water and the refrigerant by counterflow.

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Wherein the supercooled heat dissipating unit includes a refrigerant flow path through which the refrigerant flowing through the second connection path flows from the receiver dryer unit and a gas refrigerant flow path through which the low temperature low pressure gas refrigerant supplied from the evaporator flows, So that it can be subcooled.

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A heat transfer prevention part for preventing heat transfer between the refrigerant passing through the main heat radiating part and the subcooled refrigerant passing through the supercooled heat radiating part may be formed between the main radiator and the subcooling radiator.

The heat transfer prevention part may be filled with nitrogen through a plurality of brazing communication holes formed in a longitudinal direction on one side between the main heat releasing part and the super-cooled heat releasing part.

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The upper cover has a cooling water inlet and a cooling water outlet formed on one side and the other side of the upper cover corresponding to the main radiating portion to allow cooling water to flow in and out from the radiator respectively and a coolant inlet port through which the coolant flows from the compressor is formed on the cooling water outlet side A gas refrigerant outlet connected to the compressor may be formed at one side corresponding to the accumulator portion.

The lower cover is formed at one side of the subcooling heat radiating part close to the receiver dryer part to have a refrigerant outlet formed at one end of the opposite side of the receiver dryer corresponding to the refrigerant inlet port and connected to the expansion valve, A gas refrigerant inlet through which the refrigerant flows can be formed.

The receiver dryer may have a first mounting space formed therein, and an insertion hole may be formed in the lower cover corresponding to the first mounting space.

The desiccant may be inserted into the first mounting space through the insertion hole.

The insertion hole may be provided with a fixing cap to prevent the desiccant inserted in the first mounting space from being separated from the refrigerant, and to prevent the refrigerant introduced into the receiver dryer from leaking to the outside.

The accumulator portion may have a second mounting space in which an accumulator is mounted.

The radiator may be connected to the reservoir tank at a low temperature, and a cooling fan may be installed at the rear of the radiator.

The condenser may be a heat exchanger in which a plurality of plates are stacked.

As described above, according to the vehicle capacitor according to the embodiment of the present invention, the refrigerant is condensed by using the cooling water in the laminated plate type in which the receiver dryer and the accumulator are integrally formed, and the condensed refrigerant is supplied to the low- By supercooling through mutual heat exchange with the gas refrigerant, the cost and weight can be reduced by reducing component parts and layout of the connecting piping.

Further, the refrigerant condensed in the main heat-radiating portion is introduced into the subcooling heat-radiating portion again, and is subcooled by mutual heat exchange with the low-temperature and low-pressure gas refrigerant, thereby eliminating a separate device or pipe for further cooling the condensed refrigerant, Can be prevented.

In addition, by integrally configuring the receiver drier, it is possible to increase the condensing efficiency and cooling efficiency without increasing the size by increasing the heat dissipation area by reducing the internal volume of the condenser, and by improving the overall cooling performance of the vehicle air conditioner system, Can be improved.

In addition, by integrally forming the accumulator, only the gaseous refrigerant is supplied to the compressor to prevent the compressor from being damaged due to the inflow of the liquid refrigerant, and the durability of the compressor can be improved.

1 is a block diagram of a vehicular air conditioning system to which a vehicle capacitor according to an embodiment of the present invention is applied.
2 is a perspective view of a vehicle capacitor according to an embodiment of the present invention.
3 is a sectional view taken along the line AA in Fig.
4 is a cross-sectional view taken along the line BB in Fig.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

It is to be understood that both the foregoing general description and the following detailed description of the present invention are exemplary and explanatory only and are not restrictive of the invention, It should be understood that various equivalents and modifications may be present.

2 is a perspective view of a vehicle capacitor according to an embodiment of the present invention. FIG. 3 is a cross-sectional view taken along line AA of FIG. 2. FIG. And Fig. 4 is a sectional view taken along line BB in Fig.

Referring to the drawings, a vehicular condenser 100 according to an exemplary embodiment of the present invention includes an expansion valve 101 for expanding a liquid refrigerant, a refrigerant expansion valve 101 for evaporating the refrigerant through heat exchange with air, And a compressor (105) for receiving and compressing the refrigerant in a gaseous state from the evaporator (103).

That is, the condenser 100 is provided between the compressor 105 and the expansion valve 101 to circulate the cooling water supplied from the radiator 107 to condense the refrigerant through heat exchange with the refrigerant flowing from the compressor 105 .

The radiator 107 is for low temperature and is connected to the reservoir tank 108, and a cooling fan 109 is provided at the rear.

Here, the vehicle capacitor 100 according to the exemplary embodiment of the present invention is a laminated plate type in which a receiver dryer and an accumulator are integrally formed. The refrigerant is condensed using cooling water, and the condensed refrigerant is supplied through an evaporator 103 Temperature refrigerant of the low-temperature and low-pressure gas refrigerant is supercooled, a separate device for further subcooling the condensed refrigerant can be removed, thereby reducing the cost of components and simplifying the layout of the connecting piping, By reducing the body size of the receiver drier to increase the heat radiation area, the cooling efficiency and the overall cooling performance of the vehicle are improved.

Further, by integrally forming the accumulator, only the gaseous refrigerant is supplied to the compressor to prevent the compressor from being damaged due to the inflow of the liquid refrigerant, thereby improving the durability of the compressor.

1 and 2, the vehicular condenser 100 according to the exemplary embodiment of the present invention includes a main radiator 110, a receiver dryer 130, a supercooled radiator 140, And an accumulator unit 150, which will be described in greater detail below.

The main heat radiating part 110 includes upper and lower covers 111 and 113 and a plurality of plates 115 are stacked between the upper and lower covers 111 and 113.

The main heat radiating part 110 is connected to the radiator 107 to circulate the cooling water, circulates the refrigerant supplied from the compressor 105, and condenses the refrigerant through mutual heat exchange.

The main heat radiating unit 110 counterflows the cooling water and the refrigerant to exchange heat.

In other words, the main heat radiating part 110 is formed by stacking the plates 115 in a staggered fashion so that refrigerant and cooling water flow through the refrigerant flow path 117 and the cooling water flow path 119, As shown in FIG. 3 and FIG. 4, in a state of not being mixed, the heat is exchanged with each other by flowing in a radial direction with respect to each other.

The cooling water inlet 121 and the cooling water outlet 123 through which the cooling water flows in and out from the radiator 107 are provided on one side and the other side of the upper cover 111 in correspondence with the main radiator 110, Respectively.

A coolant inlet port 125 through which the high temperature and high pressure coolant flows from the compressor 105 is formed in the coolant outlet 123. The coolant inlet port 125 is connected to the compressor 105 at one side corresponding to the accumulator part 150, A gas refrigerant outlet 151 is formed.

The refrigerant inlet 125 is formed at one side of the upper cover 111 where the cooling water outlet 123 is formed in a direction opposite to the cooling water inlet 121 so that the flow of the refrigerant and the cooling water is countercurrent.

In the present embodiment, the receiver dryer 130 is integrally formed at one end of the main heat radiating part 110 to remove the refrigerant condensed through the main heat radiating part 110 to remove gas-liquid separation and moisture of the refrigerant, And is interconnected with the main heat sink 110.

In this case, the main heat radiating part 110 is formed with a first connection flow path 127 at a lower portion thereof to cool the refrigerant condensed in the heat exchanging part with the cooling water through the receiver dryer part 130.

The receiver dryer 130 reduces the carcass weight compared with the conventional cylindrical receiver dryer through the receiver dryer formed in the same shape as the condenser 100 and removes a separate pipe.

In the present embodiment, a first mounting space 131 is formed in the receiver dryer unit 130, and an insertion hole 133 (not shown) is formed in the lower cover 113 corresponding to the first mounting space 131. [ Is formed.

The desiccant 135 is inserted into the first mounting space 131 through the insertion hole 133 and the desiccant 135 is heated by the moisture remaining in the condensed refrigerant flowing from the main heat- It will function to remove it.

That is, the desiccant 135 is installed inside the receiver dryer 130 so that the desiccant 135 can be detached and mounted to be replaced through the insertion hole 133 according to the replacement period.

Meanwhile, the desiccant 135 is integrally formed with a filter to filter foreign substances contained in the refrigerant flowing into the receiver dryer unit 130.

That is, the receiver dryer 130 removes the moisture remaining in the refrigerant through the desiccant 135 and filters the foreign matter through the filter, so that foreign matter remaining in the refrigerant flows into the expansion valve 101 .

Thus, the expansion valve 101 is prevented from being clogged by the foreign matter remaining in the inside of the refrigerant.

The insertion hole 133 prevents the desiccant 135 inserted into the first mounting space 131 from being separated and is fixed to prevent the refrigerant introduced into the receiver dryer 130 from leaking to the outside. The cap 137 is mounted.

The subcooling heat radiating part 140 is integrally formed between the main heat radiating part 110 and the receiver dryer part 130 at the lower part of the main heat radiating part 110.

The subcooling heat radiating unit 140 circulates the low temperature low pressure gas refrigerant supplied from the evaporator 103 to subcool the refrigerant flowing through the receiver dryer unit 130 through the heat exchange with the low temperature low pressure gas refrigerant do.

In this embodiment, the supercooled heat dissipating unit 140 includes a second connection channel (not shown) disposed at an upper portion of one end corresponding to the receiver dryer unit 130 so as to introduce the refrigerant separated from the receiver dryer unit 130 and the moisture- 141 are formed.

The subcooling heat dissipation unit 140 includes the refrigerant flow path 117 through which the refrigerant flowing from the receiver dryer unit 130 through the second connection flow path 141 flows and the low temperature low pressure Exchanges the refrigerant condensed through the gas refrigerant passage 143 with the gas refrigerant in the low-temperature and low-pressure state.

That is, the supercooled heat dissipating unit 140 is formed by stacking the respective plates 115 in a stacked manner and interposing the refrigerant flow path 117, which is staggered between the refrigerant flow paths 117 and the gas refrigerant flow path 143, The low-temperature and low-pressure gaseous refrigerant that has passed through the condenser 130 is allowed to flow in a state without being mixed with each other, thereby allowing heat exchange between the refrigerant and the gaseous refrigerant.

The lower cover 113 is connected to the expansion valve 101 by forming a refrigerant outlet 129 at one end of the lower cover 113 opposite to the receiver dryer 130 corresponding to the refrigerant inlet 125.

The lower cover 113 is formed with a gas coolant inlet 147 formed at one side of the subcooling heat radiating part 140 close to the receiver dryer part 130 and through which the gas refrigerant in a low temperature and low pressure state is introduced from the evaporator 103 do.

The supercooled heat dissipation unit 140 is connected to the accumulator unit 150 through a third connection channel 150 at a lower portion of the other end corresponding to the accumulator unit 150 to introduce the low temperature and low pressure gas refrigerant introduced from the evaporator 103 into the accumulator unit 150. [ (145) are formed.

The third connection channel 145 is formed on the opposite side of the second connection channel 141. The third connection channel 145 is connected to the low-temperature low-pressure gas refrigerant introduced into the super-cooled heat radiating unit 140 through the gas coolant inlet 147, And then flows into the accumulator unit 150.

The accumulator unit 150 is installed in the accumulator unit 150 so that the low-temperature low-pressure refrigerant that has passed through the supercooled heat-radiating unit 140 flows into the accumulator unit 150 so that only the gaseous refrigerant is discharged to the compressor 105 through the gas- And the other end of the supercooled heat dissipating unit 140 is interconnected with the supercooled heat dissipating unit 140.

The accumulator 153 has a second mounting space 155 in which the accumulator 153 is mounted and the accumulator 153 is connected to the compressor 105 through the gas refrigerant outlet 151, ).

That is, the accumulator unit 150 is integrally formed at the other end of the main heat dissipating unit 110 and the subcooling heat dissipating unit 140 on the opposite side of the receiver dryer unit 130, and the accumulator 153 mounted therein So that the liquid refrigerant can be prevented from flowing into the compressor 105.

Accordingly, only the gas refrigerant is supplied to the compressor 105 through the accumulator unit 150, so that malfunction and breakage that may occur when the liquid refrigerant flows into the compressor 105 are prevented beforehand, thereby improving durability.

In the present embodiment, the receiver dryer unit 140 is integrally formed on one side of the main heat dissipating unit 110 and the subcooling heat dissipating unit 140, and the main and subcooling heat dissipating units 110 and 140, The refrigerant or the cooling water is prevented from flowing into the rest of the height direction of the condenser 100 except for the first and second connection flow passages 127 and 141.

The accumulator part 150 is integrally formed on the other side of the main heat radiating part 110 and the subcooling heat radiating part 140 and is integrally formed with the condenser (not shown) except for the supercooled heat radiating part 140 and the third connection flow path 145. [ The refrigerant or the cooling water is prevented from flowing into the rest of the height direction of the heat exchanger.

The refrigerant passing through the main heat radiating portion 110 and the subcooled refrigerant passing through the supercooled heat radiating portion 140 are connected to each other between the main heat radiating portion 110 and the subcooling heat radiating portion 140, A heat transfer prevention portion 160 for preventing heat transfer is formed.

The heat transfer prevention part 160 is formed between the main heat releasing part 110 and the subcooling heat releasing part 140 through a plurality of brazing communication holes 151 formed in the lamination of the respective plates 115, As shown in Fig.

When the plates 115 are laminated, the brazing holes 161 discharge gas generated by the welding to the outside to lower the welding defect rate, and nitrogen for forming the heat-transfer preventing portion 160 And is formed to facilitate insertion.

Each of the brazing holes 161 is closed after nitrogen is introduced to form the heat-transfer-preventing portion 150.

The condenser 100 according to the embodiment of the present invention configured as described above comprises a heat exchanger in which a plurality of plates 115 are stacked.

That is, in the vehicular condenser 100 according to the embodiment of the present invention, the cooling water cooled through the radiator 107 flows into the main heat sink 110 through the cooling water inlet 121 .

The introduced cooling water is circulated along the cooling water flow path 119 formed between the plates 115 in the main heat radiating part 110 and discharged through the cooling water discharge port 123 to be supplied to the radiator 107 ).

At this time, the refrigerant is introduced into the main heat radiating part 110 from the compressor 105 through the refrigerant inlet 125, and the refrigerant flows 117 Lt; / RTI >

Accordingly, the main heat radiating part 110 allows the cooling water and the refrigerant flowing into the main heat radiating part 110 to flow counterclockwise while mutually exchanging heat. When the heat exchange is completed, The refrigerant is cooled by the dryer unit 130 and the condensed refrigerant is introduced.

Then, the condensed refrigerant is circulated in a state where it is introduced into the receiver dryer unit 130, and gas-liquid separation is performed. At the same time, the moisture in the refrigerant is removed through the desiccant 135, And flows into the supercooled heat dissipating unit 140 through the connecting flow path 141.

The refrigerant flowing into the supercooled heat dissipation unit 140 circulates along the respective refrigerant flow paths 117 in the supercooled heat dissipation unit 140.

The low-temperature and low-pressure gas refrigerant supplied from the evaporator 103 flows through the gas coolant inlet 147 formed on the lower cover 113 to the subcooling heat- Respectively.

The gas refrigerant flowing into the supercooled heat dissipating unit 140 flows toward the accumulator unit 150 along the gas refrigerant channels 143 and flows into the refrigerant flowing in the respective refrigerant channels 117, Heat exchange occurs.

The gas refrigerant passes through the main heat dissipation unit 140 and the receiver dryer unit 130 and exchanges heat with the refrigerant introduced into the main heat dissipation unit 140 and the refrigerant flowing into the subcooling heat dissipation unit 140 from the receiver dryer unit 130 .

That is, the refrigerant flowing into the supercooled heat dissipating unit 140 flows through the refrigerant outlet 129 and is supplied to the expansion valve 101 while being in a supercooled state by mutual heat exchange with the gas refrigerant.

The gas refrigerant introduced through the gas refrigerant inlet 147 flows into the accumulator unit 150 through the third connection channel 145 after heat exchange in the supercooled heat dissipating unit 140.

The gas refrigerant flowing into the accumulator part 150 passes through the accumulator 153 and is discharged through the gas refrigerant outlet 151 in a state separated from the liquid refrigerant remaining in the accumulator 153. The gas refrigerant discharged through the gas refrigerant outlet 151 And is supplied to the compressor (105) connected thereto.

The receiver dryer part 130 and the accumulator part 150 are integrally formed at one end of the main and subcooling heat radiating parts 110 and 140 so that the separate connecting pipe can be removed, The refrigerant can be circulated without a body by the receiver dryer having the same shape as that of the compressor 100. [

Further, only the gas refrigerant separated from the gas liquid through the accumulator section 150 is supplied to the compressor 105, so that the compressor 105 can be prevented from being damaged or broken, and the durability can be improved.

The main heat dissipating unit 110 and the subcooling heat dissipating unit 140 may prevent mutual heat transfer of the refrigerant by the heat transfer preventing unit 160 to improve the overall condensing efficiency and cooling efficiency of the condenser 100 do.

The main radiator 110, the receiver drier 130, the subcooling radiator 140, and the accumulator 150 may be mounted on the vehicle 100 in accordance with an embodiment of the present invention. The upper and lower covers 111 and 113 are formed by stacking a plurality of plates 115 between the upper and lower covers 111 and 113. However, The main and subcooling heat dissipation units 110 and 140, the receiver dryer unit 130, and the accumulator unit 150 can be configured with only a plurality of plates 115 stacked without the plates 115.

As described above, according to the automotive condenser 100 according to the embodiment of the present invention, the refrigerant is condensed by using the cooling water in the laminated plate type in which the receiver dryer and the accumulator are integrated, and the condensed refrigerant is supplied to the evaporator 103 The refrigerant is supercooled through mutual heat exchange with the low-temperature and low-pressure gas refrigerant supplied through the pipe, thereby reducing the component parts and the layout of the connecting pipe, thereby reducing the cost and the weight.

Further, the refrigerant condensed in the main heat-releasing section 110 is introduced into the super-cooled heat radiating section 140 again, and is subcooled by mutual heat exchange with the low-temperature and low-pressure gas refrigerant. Thus, a separate device for further subcooling the condensed refrigerant, It is possible to prevent the additional cost from being consumed.

In addition, by integrally forming the receiver dryer unit 140, it is possible to increase the heat dissipation area by reducing the internal volume of the condenser 100, thereby improving the condensing efficiency and the cooling efficiency without increasing the size, Cooling performance can be improved.

In addition, by integrally forming the accumulator part 150, only the gaseous refrigerant is supplied to the compressor to prevent the compressor from being damaged due to the inflow of the liquid refrigerant, and the durability of the compressor can be improved.

Thus, the overall commerciality of the capacitor 100 can be improved.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments. It will be understood that various modifications and changes may be made without departing from the scope of the appended claims.

100 ... Capacitor 110 ... Main heat sink
111 ... upper cover 113 ... lower cover
115 ... plate 117 ... refrigerant passage
119 ... cooling water flow path 121 ... cooling water inlet
123 ... Cooling water outlet 125 ... Refrigerant inlet
127 ... first connecting flow passage 129 ... refrigerant outlet port
130 ... Receiver dryer part 131 ... First mounting space
133 ... insertion hole 135 ... desiccant
137 ... fixed cap 140 ... supercooled heat sink
141 ... second connection passage 143 ... gas refrigerant passage
145 ... third connecting passage 147 ... gas refrigerant inlet
150 ... accumulator part 151 ... gas refrigerant outlet
153 ... accumulator 155 ... second mounting space
160 ... Heat transfer prevention part 161 ... Brazing hole

Claims (17)

An air conditioner system comprising an expansion valve for expanding a liquid refrigerant, an evaporator for evaporating the refrigerant expanded through the expansion valve through heat exchange with air, and a compressor for receiving and compressing gaseous refrigerant from the evaporator, And an expansion valve for circulating the cooling water supplied from the radiator to condense the refrigerant through heat exchange with the refrigerant flowing from the compressor,
A main heat dissipating unit connected to the radiator to circulate the cooling water and to circulate the refrigerant supplied from the compressor to condense the refrigerant through mutual heat exchange;
A receiver dryer unit which is integrally formed at one end of the main radiator unit and connected to the main radiator unit so as to discharge liquid refrigerant by removing the gas-liquid separation and moisture of the refrigerant by flowing the refrigerant condensed through the main radiator unit;
The main radiator being connected to the main radiator and the main radiator, the main radiator being connected to the main radiator and the main radiator, A supercooled heat dissipating unit for subcooling through mutual heat exchange; And
And an accumulator portion integrally formed at the other end of the main heat dissipating portion and the sub-cooled heat dissipating portion so as to discharge only the gaseous refrigerant into the compressor by flowing the low temperature low pressure refrigerant passing through the super-cooled heat dissipating portion, However,
The main radiator includes a first connection passage formed at a lower portion thereof for introducing the refrigerant condensed into the receiver dryer portion,
The second connection flow path is formed in the super-cooled heat dissipating unit so as to introduce the gas-liquid separation and moisture-free refrigerant from the receiver dryer unit,
Wherein the super-cooled heat-radiating portion is formed with a third connection passage for allowing the low-temperature low-pressure gas refrigerant introduced from the evaporator to flow into the accumulator portion,
Wherein the main radiator, the receiver dryer, the subcooling radiator, and the accumulator are mounted on upper and lower covers, respectively, and between the upper cover and the lower cover. The method according to claim 1,
The main heat-
Wherein the cooling water and the refrigerant flow counterflow to mutually heat exchange each other. delete delete The method according to claim 1,
The supercooled heat-
A refrigerant flow path through which the refrigerant flowing through the second connection flow path flows from the receiver dryer section and a gas refrigerant flow path through which the low temperature low pressure gas refrigerant supplied from the evaporator flows, And the subcooler is supercooled through the cooling coil. delete The method according to claim 1,
Between the main radiator and the subcooling radiator
And a heat-transfer preventing portion for preventing heat transfer between the refrigerant passing through the main heat-radiating portion and the subcooled refrigerant passing through the super-cooled heat-radiating portion. 8. The method of claim 7,
The heat-
And nitrogen is introduced into the main radiator through a plurality of brazing communication holes formed in a longitudinal direction on one side between the main radiator and the subcooling radiator. delete The method according to claim 1,
The upper cover
A cooling water inlet and a cooling water outlet are formed at one side and the other side of the main radiator corresponding to the main radiator so that cooling water flows in and out from the radiator,
Wherein a coolant inlet port through which the coolant flows from the compressor is formed on the cooling water outlet side, and a gas coolant outlet port connected to the compressor is formed on one side corresponding to the accumulator section. 11. The method of claim 10,
The lower cover
A refrigerant outlet port is formed at one end of the refrigerant inlet port opposite to the receiver dryer port to be connected to the expansion valve,
And a gas refrigerant inlet formed at one side of the subcooling heat dissipating unit adjacent to the receiver dryer unit and through which the gas refrigerant in a low-temperature and low-pressure state flows from the evaporator. The method according to claim 1,
The receiver dryer
Wherein a first mounting space is formed in the first mounting space and an insertion hole is formed in the lower cover corresponding to the first mounting space. 13. The method of claim 12,
In the first mounting space
And a desiccant is inserted through the insertion hole. 14. The method of claim 13,
The insertion hole
Wherein the fixing cap is mounted to prevent the desiccant inserted into the first mounting space from escaping and to prevent the refrigerant flowing into the receiver dryer from leaking to the outside. The method according to claim 1,
The accumulator section
And a second mounting space in which an accumulator is mounted is formed inside the motor-driven condenser. The method according to claim 1,
The radiator
And is connected to the reservoir tank at a low temperature, and a cooling fan is provided at the rear of the condenser. The method according to claim 1,
The capacitor
And a heat exchanger in which a plurality of plates are laminated.

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