DE102014114649A1 - Air pipeline and cooling system for a vehicle - Google Patents

Abstract

A cooling system for a vehicle according to an exemplary embodiment of the invention comprising at least two air ducts formed on respective sides of an outside air intake opening 22 that introduces outside air into the front of a vehicle to an engine room, and which inputs outside air into the front of the vehicle the outside air toward a wheel W to flow out and a central low-temperature radiator 26, which is arranged in the outside air inlet opening 22 and which is adapted to release heat from coolant to air.

Description

Cross-reference to related application

The present application claims the priority and utility of Korean Patent Application 10-2013-0158187 , filed with the Korean Patent Office on December 18, 2013, the entire contents of which are incorporated herein by reference.

Background of the invention

a) Field of the invention

The present invention relates to an air piping and a cooling system for a vehicle (eg, a motor vehicle). More particularly, the present invention relates to an air duct and a cooling system for a vehicle for improving cooling performance and aerodynamic performance.

b) description related technique

In general, an air duct is a passage through which air passes, and is a pipe for guiding air to parts / sections requiring air from a part / section through which air can easily flow inward.

For example, there is an air duct which carries air sucked into an internal combustion engine and an air duct for cooling a brake system.

Recently, techniques have been developed for maintaining the temperature of an internal combustion engine and minimizing fuel consumption at the time of initial starting of the internal combustion engine.

However, the cooling of an internal combustion engine may not be performed well, the fuel consumption may be degraded during high-speed driving, and thermal damage may be generated to components disposed in the periphery of a high-temperature exhaust passage, if only the method of obtaining the temperature an internal combustion engine is performed. Further, the power for cooling an internal combustion engine and the fuel consumption may be degraded, and the heat / heat damage may become serious if air flowing through a radiator grille meets auxiliary devices disposed in the periphery of the internal combustion engine.

The above information disclosed in this Background section is only for the purpose of facilitating the understanding of the general background of the invention and should not be taken as information that constitutes the prior art known to those skilled in the art.

Explanation of the invention

The present invention has been made in an effort to provide an air duct and a cooling system for a vehicle, which have advantages of improving the cooling performance.

Further, the invention has been made in an effort to provide an air duct and a cooling system for a vehicle having another advantage of improving aerodynamic performance by countering interference / interference / collision of a vehicle body, accessories, a wheel and the like components the airflow (from, for example, hot grille air).

An air duct for a vehicle (eg, a motor vehicle) according to an exemplary embodiment of the present invention may include: a front piping connected to (at) both sides of an outside air intake port to supply outside air into the front of a vehicle to an engine compartment (FIG. Engine room), arranged and formed to admit outside air into the front of a vehicle, a rear pipe which is relocated / rearward relative thereto (to / to the front pipe), so that air flowing over the front pipe , passes through it, and a pipe outlet through which the air which has flowed over the rear pipe is discharged. The two front pipelines (eg, also front pipelines) disposed on both sides of the outside air inlet port may be bent so that their extension / extension curves form a streamline shape at the front / front of the vehicle.

The two rear pipes may be gradually bent more to lead in front of each wheel (s) and face (there) toward the rearward / rearward direction of the vehicle (eg, facing the wheels) to be).

A guide plate (eg, including a plurality of guide plates, such as guide vanes) that guides a direction of airflow / airflow such that the airflow is directed to the wheel may be provided / disposed at the tubing exit.

The guide plate may guide a direction of airflow / airflow such that air / air flowing through the tubing outlet / tubing outlet forms an air curtain in front of the wheel / front of the wheel and may function to cause air / air forms an air curtain on the front of the wheel, directed at a set angle / set angle for maximizing an effect of the air curtain on the side surface of the wheel.

A low temperature radiator may be disposed between the front pipe and the rear pipe, and the low temperature radiator may be cooled by air passing over and passing through the front pipe and the rear pipe (through the low temperature radiator).

A cooling system for a vehicle (eg, a motor vehicle) according to an exemplary embodiment of the present invention may include: at least two air ducts formed on respective sides of an outside air inlet opening that introduces outside air into the front of a vehicle to an engine room; Introducing outside air into the front of the vehicle to let the outside air flow out to a wheel, a central / low temperature low-temperature radiator disposed in the outside air intake port and adapted to discharge heat of a coolant (cooling water) into the air; a high temperature radiator disposed in / on the outside air inlet port and adapted to discharge heat of a coolant (cooling water) into the air, a first low temperature radiator disposed in / within one of the at least two air ducts and adapted t is a second low-temperature radiator, which is arranged in / within the other of the at least two air ducts and which is adapted / adapted to release heat from coolant into the air, a turbocharger, which generates compressed air to supply the compressed air to an internal combustion engine, an intercooler (e.g. B. intercooler), which cools the compressed air generated by the turbocharger by using coolant which has flowed through at least one of the first and the second low-temperature radiator, a compressor which generates compressed refrigerant to the compressed refrigerant to a To supply air conditioning, a condenser, which cools the compressed refrigerant, which is generated by the compressor by using coolant, which has flowed over at least one of the first and the second low-temperature radiator, and a water pump, which pumps coolant, so that the coolant over circulating / circulating the intercooler and the condenser.

Coolant which flows over the first and the second low-temperature radiator, z. B. Heat exchange with air, which passes through the air duct, in which the first and the second Niedrigtemperaturradiator respectively / respectively arranged.

The intercooler and the condenser may be disposed near an internal combustion engine on the rear side / rear of the outside air intake port. The cooling system may further include a first coolant passage connecting the intercooler to the condenser, a second coolant passage connecting the intercooler to the first low temperature radiator, a third coolant passage connecting the first low temperature radiator to the second low temperature radiator, a fourth coolant passage containing the first coolant passage second low temperature radiator connects to the condenser, a fifth coolant passage branched from the third coolant passage to be connected to the second coolant passage, and a sixth coolant passage branched from the fourth coolant passage to be connected to the third coolant passage be. Coolant may be pumped and circulated along one direction to flow / pump from the first coolant passage to the second coolant passage from the cooling water pump.

The third coolant passage may be adapted to pass over the high temperature radiator between the first low temperature radiator and the second low temperature radiator.

The third coolant passage may be adapted to pass over the central low temperature radiator between the first low temperature radiator and the second low temperature radiator.

A ball valve for selectively supplying coolant passing through the first coolant passage to the second coolant passage or the fifth coolant passage may be disposed on the second coolant passage and connected to the fifth coolant passage (eg, the latter may communicate with the second coolant passage be connected).

The ball valve can z. Example, be operated by detecting the temperature of the coolant and may connect the first coolant passage with the second coolant passage when the temperature of the coolant is equal to or greater than one predetermined temperature and may connect the first coolant passage with the fifth coolant passage when the temperature of the coolant is less than the predetermined temperature.

The ball valve may be connected to a controller that performs electrical / electronic control, and the controller may be connected to a temperature sensor provided to detect the temperature of the coolant flowing into the ball valve, and the controller may provide information obtained via the coolant temperature from the temperature sensor to electrically control the ball valve.

The ball valve may include: a housing which is a valve body, a ball disposed in the housing, a sensor portion / detection portion which changes shape according to the temperature of the coolant flowing into the housing, and an actuator which forms the ball rotated by varying the shape of the sensor section. The first coolant passage may be connected to the second coolant passage, or the first coolant passage may be connected to the fifth coolant passage, according to the rotation of the ball.

A ball valve for selectively supplying coolant passed through the third coolant passage to the fourth coolant passage or to the sixth coolant passage may be disposed at the third coolant passage and connected to the sixth coolant passage (eg, the latter may communicate with the first coolant passage third Kühlmittepassage be connected).

The ball valve may be actuated by detecting the temperature of the coolant and may connect the third coolant passage to the fourth coolant passage when the temperature of the coolant is equal to or greater than a predetermined temperature and may connect the third coolant passage to the sixth coolant passage when the temperature of the first coolant passage Coolant is less than the predetermined temperature.

The ball valve may be connected to a controller that performs electrical (eg, electronic) control, and the controller may be connected to a temperature sensor provided to detect the temperature of the coolant entering the ball valve flows, and the controller may obtain information about the coolant temperature from the temperature sensor to electrically control the ball valve.

The ball valve may include a housing which is a valve body, a ball disposed in the housing, a sensor portion (eg, detection portion) that changes shape according to the temperature of the coolant flowing into the housing, and an actuator which rotates the ball by varying the shape of the sensor section. The third coolant passage may be connected to the fourth coolant passage, or the third coolant passage may be connected to the sixth coolant passage, according to the rotation of the ball.

The water pump may be disposed on the first coolant passage between the intercooler and the condenser, and a check valve may be disposed between the water pump and the condenser to prevent backflow of coolant.

Brief description of the drawing

1 FIG. 12 is a schematic diagram of a refrigeration system according to an exemplary embodiment of the present invention. FIG.

2 FIG. 12 is a schematic diagram of a refrigeration system according to another exemplary embodiment of the present invention. FIG.

3 Fig. 12 is a schematic diagram showing an example of a ball valve usable for an exemplary embodiment of the present invention.

4 Fig. 12 is a schematic diagram showing another example of a ball valve usable for another exemplary embodiment of the present invention.

5 to 12 12 show operational diagrams of a refrigeration system according to an exemplary embodiment of the present invention.

LIST OF REFERENCE NUMBERS

1, 2

cooling system

10

first air pipeline

11

second air pipe

12

Front pipeline (front pipeline)

14

rear pipeline

16

Pipe outlet (pipe outlet)

18

guide plate

20

first low temperature radiator

21

second low-temperature radiator

22

External air inlet port

 24

wheel well

26

central low temperature radiator

28

High-temperature radiator

29

damper

30

intercooler

 31

rear intercooler

32

turbocharger

40

rear capacitor

 42

compressor

50

water pump

52

check valve

60, 62, 64, 65, 66 and 68

first, second, third, fourth, fifth and sixth coolant passages

70a

first ball valve

 70b

second ball valve

71

casing

 72

Bullet

72a

Inlet connection passage

72b

discharge communication passage

72c

Temperature sensor passage

73

actuator housing

73a

Rotary shaft / rotating shaft insertion portion

74

first outlet passage

75

intake passage

 76

second outlet passage

77

Rotating shaft / rotating shaft

 77a

connecting portion

78

sensor section

78a, 78b

Sensor section fixing

79

actuator

80

control device

90

temperature sensor

Detailed description of the embodiments

An exemplary embodiment of the present invention will be described below in detail with reference to the accompanying drawings.

1 FIG. 12 is a schematic diagram of a refrigeration system according to an exemplary embodiment of the present invention. FIG.

As in 1 shown has a cooling system 1 according to an exemplary embodiment of the present invention to an outside air inlet opening 22 and an air pipe 10 and 11 ,

The outside air inlet opening 22 is an air passage which receives outside air at the front / front of a vehicle to flow through a grille / radiator grille (not shown) into an engine room.

Air passing through the outside air inlet 22 happens, cools an intercooler 30 , a low-temperature radiator 26 and a high temperature radiator 28 and enters the engine compartment. That is, the intercooler 30 , the low temperature radiator 26 and the high temperature radiator 28 are at the outside air inlet 22 arranged. The intercooler 30 is a device for cooling air which enters a turbocharger 32 flows in, the high-temperature radiator 28 is a device for discharging heat from high-temperature coolant, which flows through an engine E, to the air, the low-temperature radiator 26 is a device for discharging the remaining heat of the low-temperature coolant (eg, in air) by separately providing to the high-temperature radiator 28 , Further, the turbocharger 32 is set up to drive a turbine by obtaining exhaust gas or outside air and supplying high-temperature compressed air to cylinders of the engine E for increasing the output of the engine E. Further, when the air density becomes high, the intake efficiency of the cylinders becomes Combustion efficiency and fuel efficiency of the internal combustion engine improves, and carbon dioxide production is simultaneously reduced when the intercooler 30 the high temperature air coming from the turbocharger 32 is compressed, cools.

For a motor vehicle / vehicle are the intercooler 30 , the low temperature radiator 26 , the high temperature radiator 28 and the turbocharger 32 well known to those skilled in the art, so a detailed description thereof will be omitted.

The air piping 10 and 11 are on both sides of the outside air inlet 22 arranged. That is, the cooling system 1 has at least two air pipes 10 and 11 on. 1 shows two air pipes 10 and 11 , This will be (hereinafter) the one of the two air pipes 10 and 11 "First air pipeline 10 Called and becomes the other of the two air pipes 10 and 11 "Second air pipeline 11 " called.

The first and second air pipes 10 and 11 each have a front pipe 12 (Front pipe), a rear pipe 14 and a pipe outlet 16 ,

The front pipeline 12 is a section which is relatively forward of the first and second air ducts 10 and 11 is formed to admit the outside air in / on a front of a vehicle. Further, the front pipe is 12 formed to be bent more gradually toward the inside of the vehicle or with respect to a front direction of the vehicle, so that an extension line / extension of the front pipe 12 the first air pipe 10 and an extension line of the front pipe 12 the second air pipe 11 form a streamline shape in / at the front of the vehicle (eg because of the gradual / gradual deflection). Further, since the front piping 12 forms a streamline shape, the air resistance (the same) can be minimized. Therefore, the front pipe 12 Outside air at least substantially turbulence-free in the front / at the front of a vehicle on both sides of the outside air inlet opening 22 let in. That is, the aerodynamic performance with regard to air passing through the front piping 12 passed through is improved.

The rear pipe 14 is a section which is relatively further back from the first and second air ducts 10 and 11 is arranged, so that air, which over the front pipeline 12 has flowed (passed) through / passed through. Further, the rear pipe is 14 formed to be gradually bent more toward the outside of a vehicle, in the direction of the rearward direction of the vehicle (facing), so that an extension line / extension of the rear pipe 14 the first air pipe 10 and an extension line / extension course of the rear pipe 14 the second air pipe 14 form a streamline shape in the front of the vehicle. Further, the rear pipe is 14 , which is bent to the outside of the vehicle, directed to a wheel W. That is, the rear pipe 14 minimizes air resistance and directs airflow to the wheel W. Here, the wheel W z. B./z. B. naturally a front wheel.

The pipe outlet (eg pipe outlet) 16 is formed such that air, which over the rear pipe 14 flows, passes through / passes through it. Furthermore, the pipe outlet 16 adapted / furnished so that air from the first and second air duct 10 and 11 (over him) emanates. Further, a guide plate 18 at / in the pipe outlet 16 arranged to flow the air to the wheel W / lead.

The guide plate 18 carries a flow / flow direction of air, which through the pipe outlet 16 flows. The pipe outlet 16 is integral with a wheel arch 24 educated. That is, the guide plate 18 is at the wheel arch 24 assembled. Here is the wheel arch 24 a part of a vehicle body / vehicle body to form a housing which covers the wheel W.

The guide plate 18 carries a stream / flow of air such that air / air passing through the piping outlet 16 flows through it, forming an air curtain at the front of the wheel W. Further, the guide plate 18 provided such that the air forming the air curtain in front of the wheel W is directed at a set angle (a) to the side surface of the wheel W. Further, the set angle (a) may be predetermined by the skilled person in that a maximum effect for the air curtain is achieved.

In the 1 are a width direction associated line L1 and a length direction associated line L2 of the vehicle body shown for visual representation of the set angle (a) by which the air is directed to the / with respect to the side surface of the wheel W. In other words shows 1 in that the line L1 associated with the width direction of the vehicle body perpendicularly intersects the line L2 associated with the length direction of the vehicle body, and the direction by which the air is directed toward the side surface of the wheel W and the line L2 associated with the length direction form an angle enclosed therewith, which is the set angle (a).

A low temperature radiator 20 and 21 may further (respectively one) in the inside / in the first and the second air pipe 10 respectively. 11 be arranged. Furthermore, the low-temperature radiator leads 20 and 21 , which respectively in the first and in the second air pipe 10 and 11 is arranged, a cooling function by using air, which through the first and the second air duct 10 and 11 hindurchpassiert. The low temperature radiator 20 and 21 , which respectively in the first and in the second air pipe 10 and 11 is an apparatus for discharging remaining heat from the low-temperature refrigerant / s by separately providing (the low-temperature radiator) to the high-temperature radiator 28 like the low temperature radiator 26 , which at the outside air inlet opening 22 is arranged. For a better understanding and ease of description, the low temperature radiator will be used 26 , which at / in the outside air inlet opening 22 is arranged (hereinafter) "central low-temperature radiator 26 "Called, and any low-temperature radiator 20 and 21 , which in the first and the second air pipe 10 and 11 is respectively "first Niedrigtemperaturradiator 20 "And" second low-temperature radiator 21 " called.

The intercooler 30 is z. A water-cooled intercooler or an air-cooled intercooler according to the type of cooling. As described above, the intercooler 30 z. B. an air-cooled intercooler.

In the case of the air-cooled intercooler 30 is arranged in the front / at the front of the internal combustion engine E, it is first or first air-cooled from the outside. Therefore, the cooling efficiency of the intercooler 30 be improved at a low speed and / or low load of the internal combustion engine E, so that the internal combustion engine E, a cooling and reactivity of the intercooler 30 not very necessary. On the other hand, in a high load state of the engine E, the engine cooling performance may be degraded when the flow of outside air due to interference by the intercooler 30 is disturbed. In particular, the response behavior of the intercooler 30 be deteriorated at high speed and / or high load of the engine E, because a length of the pipe, which is the intercooler 30 with the engine E and the turbocharger 32 connects, is long.

2 FIG. 12 is a schematic diagram of a refrigeration system according to another exemplary embodiment of the present invention. FIG.

As in 2 shown has a cooling system 200 According to another exemplary embodiment of the present invention, a central low-temperature radiator 26 , a high temperature radiator 28 , an air damper 29 , a first low temperature radiator 20 , a second low-temperature radiator 21 , a rear intercooler 31 , a turbocharger 32 , a rear capacitor 40 , a compressor 42 , a water pump 50 , a check valve 52 , Coolant passages (eg coolant lines) 60 . 62 . 64 . 65 . 66 and 68 and a ball valve 70a and 70b ,

The description regarding the central low-temperature radiator 26 and the high temperature radiator 28 is the same as the basic components of the cooling system 1 according to an exemplary embodiment of the present invention, which with reference to 1 are described so that a repeated description of these components is omitted below.

The air damper 29 is a device for opening / closing an air passage. Further, the air damper 29 disposed between the radiator grill / grille and a cooling fan (not shown) and functions to selectively control the flow of air / flow of air into the outside air inlet port 22 enters, closes. The central low-temperature radiator 26 and the high temperature radiator 28 are between the air damper 29 and the cooling fan.

The air, which over the radiator grille (eg radiator grille), the air damper 29 , the central low-temperature radiator 26 , the high-temperature radiator 28 and the cooling fan flows, cools the engine E, or is supplied as an intake air to an engine E when the air damper 29 the outside air inlet opening 22 opens. Furthermore, the air damper closes 29 , which is arranged between the radiator grille and the cooling fan, the outside air inlet opening 22 in the event that combustion engine cooling is not required. The air damper 29 may be an active air damper that selectively opens or closes so that the engine room (engine room) selectively receives outside air in / at the front of a vehicle according to a driving state of an internal combustion engine E.

The low-temperature radiators 20 and 22 are each in the first air pipe 10 and / or. in the second air pipe 11 arranged, and the rear intercooler 31 , the turbocharger 32 , the rear capacitor 40 , the compressor 42 and the water pump 50 are at the rear of the / at the rear of the first air duct 10 and the second air pipe 11 arranged.

The low temperature radiator 20 is the low temperature radiator 20 which is in the first air pipe 10 is arranged.

The second low-temperature radiator 21 is the low temperature radiator 21 which is in the second air pipe 11 is arranged.

The rear intercooler 31 is the water cooled intercooler 31 , which is close to the combustion engine 11 in the rear part (eg behind) of the first air pipeline 10 is arranged.

The turbocharger 32 is a turbocharger 32 , which with the rear intercooler 31 is connected and which is arranged near the internal combustion engine E.

The rear capacitor 40 is a water cooled condenser 40 which is located near the engine E at the rear (eg, at a rear portion and / or eg rearward) of the second air duct 11 is arranged.

The compressor 42 is a compressor 42 , which with the rear capacitor 40 is connected and which is disposed near the engine E to supply compressed refrigerant to an air conditioner. Further, the refrigerant, which about the compressor 42 flows, cooled by coolant, which flows through the rear condenser 40 flows while the refrigerant over the rear condenser 40 flows. The capacitor 40 , which is a device for liquefying liquid vapor (eg also for securing electrical capacity), and the compressor 42 , which is a device for compressing air and increasing the pressure (the intake air), are well known to those skilled in the art, so a detailed description will be omitted.

The water pump 50 pumps coolant between the rear intercooler 31 and the rear capacitor 40 ,

The check valve 52 is between the water pump 50 and the rear capacitor 40 arranged to prevent a return of coolant.

The coolant passages 60 . 62 . 64 . 65 . 66 and 68 are formed such that the coolant via the first Niedrigtemperaturradiator 20 , the second low-temperature radiator 21 , the rear intercooler 31 and the rear capacitor 40 circulates by removing the coolant from the water pump 50 is pumped. Furthermore, the coolant passages 60 . 62 . 64 . 65 . 66 and 68 a first, a second, a third, a fourth, a fifth and a sixth coolant passage 60 . 62 . 64 . 65 . 66 and 68 on.

The first coolant passage 60 connects the rear intercooler 31 and the rear capacitor 40 , which are arranged near the engine E. Further, the water pump 50 and the check valve 52 on the first coolant passage 60 arranged.

The second coolant passage 62 connects the rear intercooler 31 and the first low temperature radiator 20 , Further, the ball valve 70a on / in the second coolant passage 62 arranged. An end of the first low-temperature radiator 20 , which with the second coolant passage 62 may be an outer portion of the first low-temperature radiator 20 which is located relatively close to the wheel W. For a better understanding and to facilitate the description, the ball valve 70a , which at / in the second coolant passage 62 is arranged, "first ball valve 70a " called.

The third coolant passage 64 connects the first low-temperature radiator 20 and the second low temperature radiator 21 , Further, the third coolant passage is 64 adapted / set up to use the central low temperature radiator 26 or the high temperature radiator 28 between the first low temperature radiator 20 and the second low temperature radiator 21 to be or to get lost. This means, 2 shows that the third coolant passage 64 is arranged to pass over the central low-temperature radiator 26 to be / to run, but it is not limited to this. Further, the ball valve 70b arranged on / in the third coolant passage 64 between the central low-temperature radiator 26 and the second low temperature radiator 21 , The other end of the first low-temperature radiator 20 and the one end of the second low temperature radiator 21 , which with the third coolant passage 64 can be connected, an inner portion of the first low-temperature radiator 20 and / or. of the second low temperature radiator 21 which is relatively far (away) to (from) the wheel W is arranged. For a better understanding and to facilitate the description, the ball valve 70b , which at / in the third coolant passage 64 is arranged "second ball valve 70b " called.

The fourth coolant passage 65 connects the second low-temperature radiator 21 and the rear capacitor 40 , The other end of the second low-temperature radiator 24 , which with the fourth coolant passage 65 may be an outer portion of the second low-temperature radiator 21 which is positioned relatively close to the wheel W.

The fifth coolant passage 66 is from the third coolant passage 64 between the first low temperature radiator 20 and the low temperature central radiator 26 arranged to with the first ball valve 70a to be connected, which at / in the second coolant passage 64 is arranged.

The sixth coolant passage 68 is from the fourth coolant passage 65 branched off to the second ball valve 70b connected in / on the third coolant passage 64 between the central low-temperature radiator 26 and the second low temperature radiator 21 is arranged.

3 FIG. 12 is a schematic diagram showing an example of a ball valve usable for another exemplary embodiment of the present invention; and FIG 4 Fig. 12 is a schematic diagram illustrating the other example of a ball valve to be used for another exemplary embodiment of the present invention.

As in the 3 and 4 shown, the ball valve 70a and 70b a housing 71 , a ball 72 and an actuator 79 on.

The housing 71 is a valve body of the ball valves 70a and 70b , which is designed such that coolant flows in (through it) and / or flows out.

The ball 72 is rotatable in the housing 71 arranged.

The actuator 79 Passes power / electrical power / electric current to the ball 72 to rotate.

The housing 71 forms an inlet passage 75 , a first outlet passage 74 , a second outlet passage 76 and an actuator housing 73 ,

The intake passage 75 is formed such that coolant into the housing 71 flows. Further, the intake passage 75 always open, regardless of the ball 72 - rotation.

The first outlet passage 74 and the second exhaust passage 76 are formed such that coolant, which in the housing 71 through the inlet passage 75 enters, either through the first outlet passage 74 or through the second outlet passage 76 out of the case 71 flows. Further, the first exhaust passage 74 and the second exhaust passage 76 selectively opened or closed by the rotation of the ball 72 , That is, one of the first outlet passage 74 and the second exhaust passage 76 can be closed, and the other from the first outlet passage 74 and the second exhaust passage 76 can be open, depending on the rotation of the ball 72 , Further, coolant passing through the inlet passage 75 flows in, through each open from the first outlet passage 74 and the second exhaust passage 76 emanated / flowed out.

The actuator housing 73 is formed such that the actuator 79 arranged / recorded in this.

The ball 72 forms an inlet connection passage 72a , an outlet connection passage 72b and a turning shaft 77 (eg a rotary shaft 77 ).

The inlet connection passage 72a is formed such that the inlet passage 75 with the inside of the ball 72 is / is connected. Further, the inlet connection passage stands 72a always in connection with the inlet passage 75 , regardless of the rotation of the ball 72 ,

The outlet connection passage 72b is formed so as to communicate with the inlet connection passage 72a and is configured to selectively communicate with the first exhaust passage 74 or the second exhaust passage 76 is connected according to the rotation of the ball 72 ,

The rotation shaft 77 connects the ball 72 and the actuator 79 , Further receives the ball 72 (electrical) power from the actuator (s) 79 through the rotation shaft 77 , That is, the ball 72 is rotated based on the rotation / rotation of the rotary shaft 77 if the actuator 79 the turning shaft 77 rotates.

According to an example of the ball valve 70a and 70b regarding 3 points the actuator 79 a rotary shaft insertion section 73a , a sensor section 78 and a connection section 77a on, and the ball 72 further forms a temperature sensor passage 72c (eg temperature detection passage).

The rotary sheep insertion section 73a is integral with the actuator housing 73 formed or is on the actuator housing 73 attached. Further, the turning shaft 77 rotatable in the Drehschafteinsetzabschnitt 73a used. A bearing (not shown) may be interposed between the rotary shaft insertion portion 73a and the (in) used rotary shaft 77 be interposed according to desired design of a professional, around the turning shaft 77 easy to turn / rotate.

The sensor section 78 is configured to detect the temperature of the coolant / s and to vary its shape according to the detected temperature. Furthermore, the sensor section 78 provided to the rotation shaft 77 to rotate / rotate by varying its (the sensor section 78 ) Shape. A shape memory alloy or a bimetal can be used as a sensor section 78 be used. The shape memory alloy is an alloy whose shape is varied by external force and whose shape is returned to its original shape by heat, and the bimetal is an element formed by adhering two kinds of thin metal panels whose thermal expansion coefficients are very different from each other. and which is adapted to control a device according to the temperature by utilizing the property that the shape of a metal changes with heat. The shape memory alloy and the bimetal are well known to those skilled in the art, so a detailed description of the application of such a sensor portion 78 is omitted.

The connecting section 77a connects the sensor section 78 and the turning shaft 77 , so the rotation shaft 77 according to a shape of the sensor portion 78 is varied. Further, the connecting portion 77a integral with the turning shaft 77 trained or is at the turning shaft 77 attached. For example, the connection section 77a in a Cylindrical shape formed, which is concentric with the rotary shaft 77 , and the sensor section 78 is formed in a helical shape, which is the outer periphery of the connecting portion 77a surrounds several times (wrapped). Furthermore, a fastening (fastening device) 78a , which at one end of the sensor section 78 formed as a helical shape is formed on the connecting portion 77a attached / fixed, and a fastening 78b (Fastening device), which at one end of the sensor section 78 is formed on the actuator housing 73 fastened / fixed. Therefore, the connecting portion 77a and the rotation shaft 77 rotated in one direction when a length of the sensor section 78 increases / lengthens according to the temperature of the coolant, and the connecting portion 77a and the rotation shaft 77 are rotated and returned in the other direction when one / the length of the sensor section 78 decreases / shortens according to the temperature of the coolant.

The temperature sensor passage 72c the ball 72 is formed such that a part of the coolant, which in the ball 72 over the intake passage 75 of the housing 71 and the inlet connection passage 72a the ball 72 flows into the actuator housing 73 flows or flows in this. That is, the part of the coolant which (or which) in the ball 72 has flowed, is in the actuator housing 73 through the temperature sensor passage 72c passed through to the sensor section 78 to be in touch. Therefore, the sensor section detects 78 the temperature of the coolant, and the actuator 79 is operated / operated to the ball 72 to turn according to the temperature of the coolant.

According to the other example of the ball valve 70a and 70b regarding 4 is the actuator 79 a device which is electrically controlled, such. B. an electric motor. Further, the actuator 79 with a control device 80 connected, and the control device 80 is with a temperature sensor 90 connected.

The temperature sensor 90 is arranged to the temperature of the coolant, which is in the ball 72 flows in or flows in the, or the coolant, which passes through the inlet passage 75 passed through, to capture.

The control device 80 is provided to provide information about the temperature of the coolant from the temperature sensor 90 to get and to the actuator 79 (accordingly) to control. Further, the actuator rotates / rotates 79 that of the control device 80 driven / driven, the ball 72 in one or the other direction (depending on the detected temperature of the coolant). The control device 80 may be a general electronic control unit (ECU) mounted in the vehicle.

If the actuator 79 is electrically controlled, a different and exact distribution of an amount / amount of flow of the coolant, which from the ball valve 70a and 70b flows out, be realized by a controller such. B. a pulse width modulation (PWM) control.

With reference to the 5 to 12 is the coolant circulation, which is the cooling system 2 realized in accordance with the other exemplary embodiment of the present invention, described in detail.

First, there is the inlet passage 75 , which in the first ball valve 70a is formed, in connection with the second coolant passage 62 , which is the rear intercooler 31 and the first ball valve 70a in the coolant system 2 according to the other exemplary embodiment of the present invention. Further, one is from the first exhaust passage 74 and the second exhaust passage 76 which is in / from the first ball valve 70a are formed, in conjunction with the second coolant passage 62 which is the first ball valve 70a and the first low temperature radiator 20 connects, and the other from the first outlet passage 74 and the second exhaust passage 76 is in connection with the fifth coolant passage 66 , Furthermore, the inlet passage stands 75 , which from / in the second ball valve 70b is formed, in conjunction with the third coolant passage 64 , which is the first low-temperature radiator 20 and the second ball valve 70b combines. Further, one is from the first exhaust passage 74 and the second exhaust passage 76 , which from / in the second ball valve 70b are formed, in conjunction with the third coolant passage 64 which is the second ball valve 70b and the second low temperature radiator 21 connects, and the other from the first outlet passage 74 and the second exhaust passage 76 communicates with the sixth coolant passage 68 ,

The 5 to 12 12 show operational diagrams of a refrigeration system according to another exemplary embodiment of the present invention. Furthermore, the 5 to 8th Drawings showing the operation of the cooling system 2 represent when the air damper 29 the outside air inlet opening 22 opens, and the 9 to 12 are drawings showing the operation of the cooling system 2 show when the air damper 29 the outside air inlet opening 22 closes.

The 5 to 12 show the flow of outside air flowing inside / in a vehicle body by dotted line arrows, and show the flow of the coolant by means of solid line arrows in / on coolant passages 60 . 62 . 64 . 65 . 66 and 68 , which (in turn) are represented by dashed dotted lines, and show the flow of compressed air passing over the turbocharger 32 and the rear intercooler 31 flows, and the flow of refrigerant passing through the compressor 42 and the rear capacitor 40 flows in, by means of solid line arrows.

Like in the 5 shown, the first ball valve 70a operated / operated to the second coolant passage 62 , which is the rear intercooler 31 and the first ball valve 70a connects, with the second coolant passage 62 which is the first ball valve 70a and the first low temperature radiator 20 connects to connect when the temperature of the coolant, which in the first ball valve 70a flows equal to or greater than a predetermined temperature in the state in which the air damper 29 is open so that the outside air through the outside air inlet 22 flows therethrough to cool the engine E. Further, the second ball valve 70b operated / operated to the third coolant passage 64 , which is the first low-temperature radiator 20 and the second ball valve 70b connects, with the third coolant passage 64 which is the second ball valve 70b and the second low temperature radiator 21 connects, when the temperature of the coolant entering the second ball valve 70b inflows, equal to or greater than a predetermined temperature in the state in which the air damper 29 is open so that outside air through the outside air inlet 22 passed through to cool the engine E.

Therefore, coolant circulates by passing sequentially through the first coolant passage 60 , the second coolant passage 62 , the third coolant passage 64 and the fourth coolant passage 65 , In this case, in which the air damper 29 is open and the coolant is circulated / circulated to pass through all of the components adapted to cool the coolant may be the case in which the load of the rear intercooler 31 and the load of the rear capacitor 40 are big.

The load of the rear intercooler 31 and the load of the rear capacitor 40 are described as subdivided into high, medium and low. The high load, the medium load and the low load can be determined / determined by the person skilled in the art. The predetermined temperature of the first ball valve 70a is called (hereinafter) "first predetermined temperature T1", and the predetermined temperature of the second ball valve 70b is called (hereinafter) "second predetermined temperature T2".

As in 6 shown, the second ball valve 70b operated / operated to connect / communicate with the third coolant passage 64 which is the second ball valve 70b and the second low temperature radiator 21 connects, close and around the third coolant passage 64 , which is the first low-temperature radiator 20 and the second ball valve 70 connects, with the sixth coolant passage 68 connect when the temperature of the coolant entering the second ball valve 70b inflow is less than T2 in the state of 5 ,

Therefore, the coolant circulates by passing sequentially through the first coolant passage 60 , the second coolant passage 62 , the third coolant passage 64 and the sixth coolant passage 68 , This case in which the air damper 29 is opened and coolant circulates to circulate over the second low temperature radiator 21 to omit / not to carry out may be the case in which the load of the rear intercooler 31 is big and the load of the rear capacitor 40 is medium.

As in 7 is shown, there (the first) ball valve 70a operated / actuated to connect to the second coolant passage 62 which is the first ball valve 70a and the first low temperature radiator 20 connects, and closes around the second coolant passage 62 , which is the rear intercooler 31 and the first ball valve 70a connects, with the fifth coolant passage 66 connect when the temperature of the coolant, which is in the first ball valve 70a less than T1 is in the state of 5 ,

Therefore, the coolant circulates by passing sequentially through the first coolant passage 60 , the fifth coolant passage 66 , the third coolant passage 64 and the fourth coolant passage 65 , This case in which the air damper 29 is open and coolant circulates to circulate over the first low temperature radiator 20 to omit / not to carry out may be the case in which the load of the rear intercooler 31 is medium and the load of the rear capacitor 40 is high.

As in 8th shown, the first ball valve 70a operated to the second coolant passage 62 , which is the rear intercooler 31 and the first ball valve 70a connects, with the fifth coolant passage 66 to connect, and becomes the second ball valve 70b actuated to the third coolant passage 64 , which is the first low-temperature radiator 20 and the second ball valve 70b connects, with the sixth coolant passage 68 connect when the temperature of the coolant, which is in the first ball valve 70a inflows, is less than T1 and at the same time the temperature of the coolant, which in the second ball valve 70b less than T2 is in the state of 5 ,

Therefore, the coolant circulates sequentially through the first coolant passage 60 , the fifth coolant passage 66 , the third coolant passage 64 and the sixth coolant passage 68 happens. This case in which the air damper 29 is open and the coolant is circulated to circulate over the first and second low temperature radiators 20 and 21 to omit / not to carry out may be the case in which the load of the rear intercooler 31 and the load of the rear capacitor 40 is medium. At this time, an internal combustion engine (for example) is in an idle state.

As in 9 shown are the first ball valve 70a and the second ball valve 70b operated the same as in the description according to 5 when the temperature of the coolant entering the first ball valve 70a inflows, equal to or greater than T1 and if the temperature of the coolant, which in the second ball valve 70b flows in, equal to or greater than T2 is in the state in which the air damper 29 is closed so that outside air is not through the outside air inlet 22 hindurchpassiert.

Therefore, the coolant circulates by passing sequentially through the first coolant passage 60 , the second coolant passage 62 , the third coolant passage 64 and the fourth coolant passage 65 , This case in which the air damper 29 is closed and coolant circulates to pass through all of the components that are arranged to be cooled by coolant, may be the case in which the load of the rear intercooler 31 and the load of the rear capacitor 40 are medium.

As in 10 shown, the second ball valve 70b the same as the description of 6 when the temperature of the coolant entering the second ball valve 70b less than T2 is in the state of 9 ,

Therefore, the coolant circulates by passing sequentially through the first coolant passage 60 , the second coolant passage 62 , the third coolant passage 64 and the sixth coolant passage 68 , This case in which the air damper 29 is closed and coolant circulates to circulate over the second low temperature radiator 21 to omit / not to carry out may be the case in which the load of the rear intercooler 31 is medium and the load of the rear capacitor 40 is low.

As in 11 shown, the first ball valve 70a the same operated as described in the description 7 explains when the temperature of the coolant, which in the first ball valve 70a less than T1 is in the state of 9 ,

Therefore, the coolant circulates by passing sequentially through the first coolant passage 60 , the fifth coolant passage 66 , the third coolant passage 64 and the fourth coolant passage 65 , This case in which the air damper 29 is closed and coolant circulates to circulate over the first low temperature radiator 20 to omit / not to carry out may be the case in which the load of the rear intercooler 31 is low and the load of the rear capacitor 40 is medium.

As in 12 shown, be the first ball valve 70a and the second ball valve 70b operated as described in the description of 8th when the temperature of the coolant entering the first ball valve 70a flows less than T1 and at the same time the temperature of the coolant, which in the second ball valve 70b inflow is less than T2 in the state of 9 ,

Therefore, the coolant circulates by passing sequentially through the first coolant passage 60 , the fifth coolant passage 66 , the third coolant passage 64 and the sixth coolant passage 68 , This case in which the air damper 29 is closed and circulates coolant to circulate over the first and second low-temperature radiators 20 and 21 to omit / not to carry out may be the case in which the load of the rear intercooler 31 and the load of the rear capacitor 40 are low. At this time, the engine is in an idling state (for example).

According to an exemplary embodiment of the present invention, the cooling capacity of air passing through the air duct 10 and 11 passes through, be improved when the shape of the air duct 10 and 11 is formed to minimize the air flow resistance. Furthermore, the aerodynamic performance may be better because of the piping output 16 is formed, so that a power of the air passing through the air duct 10 and 11 passes through and forms an air curtain in front of the wheel W, is improved. Further, various configurations regarding the circulation of the coolant can be realized according to the radiator 20 and 21 , which at the / in the air pipeline 10 and 11 are arranged. Further, a suitable cooling capacity of the internal combustion engine E can be improved according to the circulation of the coolant, which can be variously realized by controlling the ball valves 10a and 10b , and thereby the fuel consumption can be improved.

While the invention has been described in conjunction with various exemplary embodiments, it is to be understood that the invention is not limited to the embodiments disclosed herein, but, in contrast, it is intended that the invention encompass numerous modifications and variations insofar as may be the scope of the appended claims.

QUOTES INCLUDE IN THE DESCRIPTION

This list of the documents listed by the applicant has been generated automatically and is included solely for the better information of the reader. The list is not part of the German patent or utility model application. The DPMA assumes no liability for any errors or omissions.

Cited patent literature

• KR 10-2013-0158187 [0001]

Claims (19)

Air pipeline for a vehicle, comprising: a front pipeline ( 12 ), which on both sides of an outside air inlet ( 22 ), which is arranged for the admission of outside air into a front of a vehicle to an engine compartment, and which is adapted to let the outside air into a front of a vehicle, a rear pipe ( 14 ) which lies relatively behind it, so that air passing over the front piping passes therein, and a piping outlet (FIG. 16 ), over which air, via the rear pipe ( 14 ) has flowed out, both front pipes ( 12 ), which on both sides of the outside air inlet ( 22 ) are formed so that they are bent so that their extension lines form a streamlined shape in the front of the vehicle. Air duct according to claim 1, wherein both rear pipelines ( 14 ) are gradually bent more to point respectively in front of wheels (W) to the rearward direction of the vehicle. Air duct according to claim 2, wherein a guide plate ( 18 ), which guides a direction of the air flow such that the air flow is guided to the wheel (W), at the pipe outlet ( 16 ). Air duct according to claim 3, wherein the guide plate ( 18 ) guides a direction of the air flow such that the air passing through the piping outlet ( 16 ), forms an air curtain in front of the wheel (W), and functions such that the air forming an air curtain in front of the wheel (W) is directed at a set angle ((a)) for maximizing an effect of the air curtain the side surface of the wheel (W). An air duct according to any one of claims 1 to 4, wherein a low temperature radiator ( 20 . 21 ) between the front piping ( 12 ) and the rear pipeline ( 14 ), wherein the low-temperature radiator ( 20 . 21 ) is cooled by the air passing through the front piping ( 12 ) and the rear pipeline ( 14 ) flows through and passes through it. A cooling system for a vehicle, comprising: at least two air ducts located on respective sides of an outside air intake port ( 22 ), which introduces outside air into the front of a vehicle to an engine room, and which introduces outside air into the front of the vehicle to flow outside air to a wheel (W), a central low temperature radiator ( 26 ), which in the outside air inlet ( 22 ), which is arranged to release heat from coolant to the air, a high-temperature radiator ( 28 ), which in the outside air inlet ( 22 ), which is arranged to release heat from coolant to the air, a first low-temperature radiator (US Pat. 20 ) disposed in one of the at least two air ducts and adapted to release heat from coolant to the air, a second low temperature radiator (US Pat. 21 ), which is arranged in the other of the at least two air ducts and which is adapted to release heat of the coolant into the air, a turbocharger ( 32 ), which generates compressed air to supply the compressed air to an internal combustion engine, an intercooler ( 30 ), which compresses the air coming from the turbocharger ( 30 ) is cooled by using coolant flowing over at least one of the first and second low temperature radiators ( 20 . 21 ) has passed a compressor ( 42 ), which generates compressed refrigerant to supply the compressed refrigerant to an air conditioner, a condenser ( 40 ), which contains the compressed refrigerant which flows from the compressor ( 42 ) is cooled by using coolant flowing over at least one of the first and second low temperature radiators ( 20 . 21 ), and a water pump ( 50 ), which pumps the coolant, so that the coolant via the intercooler ( 30 ) and the capacitor ( 40 ) circulates. Cooling system according to claim 6, wherein the coolant, which via the first and the second low-temperature radiator ( 20 . 21 ) exchanges heat with air which passes through the air duct in which the first and second low-temperature radiators ( 20 . 21 ) are arranged respectively. Cooling system according to claim 7, wherein the intercooler ( 30 ) and the capacitor ( 40 ) near an internal combustion engine at a rear side of the outside air intake port (FIG. 22 ), and wherein the cooling system further comprises: a first coolant passage containing the intercooler ( 30 ) with the capacitor ( 40 ), a second coolant passage connecting the intercooler ( 30 ) with the first low temperature radiator ( 20 ), a third coolant passage which connects the first low temperature radiator ( 20 ) with the second low-temperature radiator ( 21 ), a fourth coolant passage containing the second low temperature radiator ( 21 ) with the capacitor ( 40 ), a fifth coolant passage branched from the third coolant passage to be connected to the second coolant passage, and a sixth coolant passage branched from the fourth coolant passage to be connected to the third coolant passage, wherein coolant through the water pump ( 50 ) is pumped and circulated along a direction which starts from the first coolant passage and leads to the second coolant passage. Cooling system according to claim 8, wherein the third coolant passage is arranged to pass over the high-temperature radiator ( 28 ) between the first low temperature radiator ( 20 ) and the second low-temperature radiator ( 21 ) to run. Cooling system according to claim 8 or 9, wherein the third coolant passage is arranged to pass over the central low-temperature radiator ( 26 ) between the first low temperature radiator ( 20 ) and the second low-temperature radiator ( 21 ) to run. Cooling system according to one of claims 8 to 10, wherein a ball valve ( 70a . 70b ) to selectively supply coolant passed through the first coolant passage to the second coolant passage or to the fifth coolant passage at the second coolant passage (FIG. 62 ) is arranged and with which the fifth coolant passage ( 66 ) connected is. Cooling system according to claim 11, wherein the ball valve ( 70a ) is actuated by detecting the temperature of the coolant and the first coolant passage ( 60 ) with the second coolant passage ( 62 ) connects, when the temperature of the coolant is equal to or greater than a predetermined temperature, and the first coolant passage ( 60 ) with the fifth coolant passage ( 66 ) connects when the temperature of the coolant is less than the predetermined temperature. Cooling system according to claim 12, wherein the ball valve ( 70a ) with a control device ( 80 ), which performs an electrical control, and wherein the control device ( 80 ) with a temperature sensor ( 90 ), which is provided to determine the temperature of the coolant which is introduced into the ball valve ( 70a ) flows, and wherein the control device ( 80 ) Information about the coolant temperature of the temperature sensor ( 90 ) receives the ball valve ( 70a ) to control electrically. Cooling system according to claim 12 or 13, wherein the ball valve ( 70a ) comprises: a housing, which is a valve body, a ball ( 72 ), which in the housing ( 71 ) is arranged, a sensor section ( 78 ), which varies its shape according to the temperature of the coolant, which in the housing ( 71 ), and an actuator ( 79 ) which rotates the ball by varying the shape of the sensor section (FIG. 78 ), wherein the first coolant passage ( 60 ) with the second coolant passage ( 62 ) or the first coolant passage ( 60 ) with the fifth coolant passage ( 66 ) is connected according to the rotation of the ball ( 72 ). Cooling system according to one of claims 8 to 14, wherein a ball valve ( 70b ) to selectively remove coolant through the third coolant passage ( 64 ) passes to the fourth coolant passage ( 65 ) or the sixth coolant passage ( 68 ), at the third coolant passage ( 64 ) is arranged, with which the sixth coolant passage ( 68 ) connected is. Cooling system according to claim 15, wherein the ball valve ( 70b ) is operated by detecting the temperature of the coolant and the third coolant passage ( 64 ) with the fourth coolant passage ( 65 ) connects, when the temperature of the coolant is equal to or greater than a predetermined temperature, and the third coolant passage ( 64 ) with the sixth coolant passage ( 68 ) connects when the temperature of the coolant is less than the predetermined temperature. Cooling system according to claim 16, wherein the ball valve ( 70b ) with a control device ( 80 ), which performs electrical control, and wherein the control device ( 80 ) is connected to a temperature sensor which is provided to measure the temperature of the coolant flowing into the ball valve ( 70b ) is detected, the control device ( 80 ) Receives information about the coolant temperature from the temperature sensor to the ball valve ( 70b ) to control electrically. Cooling system according to claim 16 or 17, wherein the ball valve ( 70b ) comprises: a housing ( 71 ), which is a valve body, a ball ( 72 ), which is arranged in the housing, a sensor section ( 78 ), which changes its shape according to the temperature of the coolant, which in the housing ( 71 ), and an actuator ( 79 ), which the ball ( 72 ) rotates by changing the shape of the sensor section ( 78 ), wherein the third coolant passage ( 64 ) with the fourth coolant passage ( 65 ) or the third coolant passage ( 64 ) with the sixth Coolant passage ( 68 ) is connected according to the rotation of the ball ( 72 ). Coolant system according to one of claims 8 to 18, wherein the water pump ( 50 ) at the first coolant passage ( 60 ) between the intercooler ( 30 ) and the capacitor ( 40 ) is arranged, and wherein a check valve ( 52 ) between the water pump ( 50 ) and the capacitor ( 40 ) is arranged to prevent a return flow of coolant.

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