WO2017030079A1 - Cooling device - Google Patents
Cooling device Download PDFInfo
- Publication number
- WO2017030079A1 WO2017030079A1 PCT/JP2016/073691 JP2016073691W WO2017030079A1 WO 2017030079 A1 WO2017030079 A1 WO 2017030079A1 JP 2016073691 W JP2016073691 W JP 2016073691W WO 2017030079 A1 WO2017030079 A1 WO 2017030079A1
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- WIPO (PCT)
- Prior art keywords
- air
- duct
- air flow
- electric blower
- blower
- Prior art date
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K11/00—Arrangement in connection with cooling of propulsion units
- B60K11/06—Arrangement in connection with cooling of propulsion units with air cooling
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P5/00—Pumping cooling-air or liquid coolants
- F01P5/02—Pumping cooling-air; Arrangements of cooling-air pumps, e.g. fans or blowers
- F01P5/06—Guiding or ducting air to, or from, ducted fans
Definitions
- the present disclosure relates to a cooling device.
- a duct is formed for guiding the air flow introduced from the opening portion of the front grille and passing through the radiator to the lower side of the rear portion of the traveling engine after passing through the periphery of the exhaust manifold. According to this, the exhaust manifold can be cooled by the air flow passing through the radiator passing around the exhaust manifold.
- the exhaust manifold in an automobile in which the exhaust manifold is disposed on the front side with respect to the traveling engine, the exhaust manifold can be cooled by an air flow.
- the front engine room is reduced and the air passage in the front engine room is narrowed. For this reason, the air permeability in the front engine room may be reduced, and heat may be accumulated on the rear side in the vehicle traveling direction with respect to the traveling engine in the front engine room.
- This disclosure is intended to provide a cooling device that cools a predetermined part of a front engine room of an automobile.
- the cooling device includes a blower disposed on the front side in the vehicle traveling direction with respect to the traveling engine in the front engine room, and a front from the front side in the vehicle traveling direction of the front opening of the front engine room.
- the present invention is applied to an automobile including a shroud that forms an introduction flow path that guides an air flow that flows in through an opening to a blower.
- the cooling device is disposed downstream of the air blower in the air flow direction and opened to the air blower, the air outlet opened to a predetermined portion of the front engine room, and the air blower introduced from the air blower.
- a duct that forms an air flow path for allowing the air flow to flow to the air outlet is provided, and a predetermined portion is cooled by the air flow blown from the air outlet.
- the front opening is an opening that opens the front engine room forward in the vehicle traveling direction.
- the downstream side in the air flow direction with respect to the blower means the downstream side in the main flow direction with the largest air volume among the air flows blown out from the blower.
- FIG. 1st Embodiment It is a figure which shows the whole structure of the cooling module in 1st Embodiment. It is a perspective view which shows the electric blower and duct in FIG. It is a top view which shows the electric blower and duct in FIG. It is a side view which shows the electric blower and duct in FIG. It is a figure which shows the electrical constitution of the cooling module of 1st Embodiment. It is a flowchart which shows the fan control process by the electronic controller of FIG. It is a top view which shows the electric blower and duct in 2nd Embodiment. It is a side view which shows the electric blower and duct in FIG. It is a side view of the cooling module of 3rd Embodiment. It is a side view of the cooling module of 4th Embodiment. It is a side view of the cooling module of 5th Embodiment. It is a flowchart which shows the fan control processing by the electronic controller of 6th Embodiment.
- FIG. 1 shows a first embodiment of an automotive cooling module 10 to which a cooling device of the present disclosure is applied.
- the cooling module 10 of the present embodiment is disposed between the front grille opening 2 and the traveling engine 3 in the front engine room 1 of the automobile.
- the front grill opening 2 is an opening that opens forward from the front engine room 1 in the vehicle traveling direction of the front grill in the front grill of the automobile.
- the front engine room 1 is a space that is disposed on the front side in the vehicle traveling direction with respect to the passenger compartment of the automobile and is mounted with the traveling engine 3.
- the cooling module 10 includes a capacitor 20, a radiator 30, an electric blower 40, a shroud 50, and a duct 60.
- the capacitor 20 is arranged on the rear side in the vehicle traveling direction with respect to the front grill opening 2.
- the condenser 20 constitutes a refrigeration cycle device for an air conditioner that circulates refrigerant together with a compressor, a pressure reducing valve, and an evaporator, and heats the high-pressure refrigerant discharged from the compressor with outside air (hereinafter referred to as outside air). It is an exchanger.
- the radiator 30 is disposed behind the capacitor 20 in the vehicle traveling direction.
- the radiator 30 is a heat exchanger that cools the cooling water of the traveling engine 3 with outside air.
- the radiator 30 is disposed upstream of the electric blower 40 in the air flow direction in the introduction flow path 50a.
- the introduction flow path 50 a is an air passage for guiding the air flow sucked from the front grill opening 2 and flowing into the introduction flow path 50 a through the condenser 20 and the radiator 30 to the electric blower 40.
- the air flow direction in the introduction flow path 50a is the flow direction of the main flow having the largest air volume among the plurality of air flows flowing through the introduction flow path 50a.
- the electric blower 40 is disposed on the rear side in the vehicle traveling direction with respect to the radiator 30 in the front engine room 1.
- the electric blower 40 generates an air flow that allows the condenser 20 and the radiator 30 to pass through the front grille opening 2 from the front in the vehicle traveling direction of the automobile.
- the electric blower 40 includes a fan 40a and a fan case 40b that houses the fan 40a.
- the fan 40a sucks an air flow from the introduction flow path 50a and blows it out to the traveling engine 3 side.
- the fan 40a of this embodiment is driven by an electric motor.
- An axial fan is used as the fan 40a of this embodiment.
- the shroud 50 is a casing that forms an introduction flow path 50 a for guiding the air flow sucked from the front grill opening 2 through the condenser 20 and the radiator 30 to the electric blower 40.
- the shroud 50 is formed so as to block the space between the condenser 20 and the radiator 30 and the space between the radiator 30 and the electric blower 40 from the vehicle width direction and the vertical direction.
- the duct 60 forms an air inlet 61, an air outlet 62, and an air flow path 60a.
- the air flow path 60 a is a space through which an air flow flows between the air inlet 61 and the air outlet 62.
- the duct 60 is arranged on the heaven region improvement side with respect to the traveling engine 3.
- the duct 60 corresponds to a cooling device.
- the air inlet formation part 61a which forms the air inlet 61 among the ducts 60 is connected to the upper end part of the electric blower 40, as shown in FIG.1, FIG.2, FIG.3 and FIG. Specifically, the air inlet forming portion 61 a of the duct 60 is connected to the fan case 40 b of the electric blower 40.
- a fastening member such as a screw is used for fixing between the air inlet forming portion 61a of the duct 60 and the fan case 40b of the present embodiment.
- the air inlet 61 opens toward the electric blower 40 (that is, toward the front side in the vehicle traveling direction) on the downstream side of the electric blower 40 in the air flow direction.
- the air inlet 61 is disposed between the electric blower 40 and the cylinder head 3 a of the traveling engine 3. That is, the air inlet 61 is disposed between the electric blower 40 and the upper portion of the traveling engine 3.
- the air outlet 62 is opened toward the exhaust manifold 5 side.
- the downstream side of the air flow with respect to the electric blower 40 means the downstream side in the mainstream flow direction with the largest air volume in the air flow blown out from the electric blower 40.
- the exhaust manifold 5 is a manifold that collects a plurality of exhaust passages connected to the traveling engine 3 into one exhaust pipe that exhausts exhaust gas from the traveling engine 3.
- the exhaust manifold 5 is arranged behind the traveling engine 3 in the front engine room 1 in the vehicle traveling direction.
- a turbocharger turbine and a catalyst device are arranged in addition to the exhaust manifold 5 behind the traveling engine 3 in the vehicle traveling direction.
- the catalyst device is a device that purifies harmful components in exhaust gas blown out from the traveling engine 3 by reduction and oxidation.
- the turbocharger extracts rotational energy from the internal energy of the exhaust gas blown out from the traveling engine 3 by the turbine, operates the compressor by this rotational energy, generates compressed air, and supplies the compressed air to the intake port of the traveling engine 3.
- a turbocharger turbine is a device that extracts rotational energy from the internal energy of exhaust gas.
- the cooling module 10 includes an electronic control device 90.
- the electronic control unit 90 includes a microcomputer, a memory, and the like.
- the electronic control device 90 is a well-known electronic control device that operates with power supplied from the in-vehicle battery 91.
- This memory is a non-transitional physical storage medium.
- the electronic control unit 90 performs fan control processing according to a computer program stored in the memory.
- the electronic control unit 90 controls the electric motor of the electric blower 40 based on the switch signal of the ignition switch 92, the detected value of the water temperature sensor 102, and the detected value of the oil temperature sensor 103. .
- the water temperature sensor 102 detects the temperature of engine cooling water that cools the traveling engine 3.
- the oil temperature sensor 103 detects the temperature of the engine oil.
- the engine oil is used to lubricate each component constituting the traveling engine 3 and to cool the traveling engine 3.
- the ignition switch 92 is a power switch that turns the traveling engine 3 on and off (that is, starts and stops).
- the electric blower 40 includes an electric motor that rotationally drives the fan 40a in the fan case 40b.
- the electronic control unit 90 executes the computer program according to the flowchart of FIG.
- step S200 the electronic control unit 90 determines whether or not the traveling engine 3 (denoted as ENG in FIG. 6) is operating based on the output signal of the ignition switch 92.
- the ignition switch 92 When the ignition switch 92 is on, it is determined that the traveling engine 3 is operating (that is, ON), and YES is determined in step S200.
- step S205 the following determinations (1) and (2) are performed.
- (1) based on the detection value of the water temperature sensor 102, it is determined whether or not the temperature of the engine coolant flowing through the radiator 30 is equal to or higher than a predetermined temperature.
- (2) based on the detection value of the refrigerant pressure sensor 104, it is determined whether or not the refrigerant pressure on the refrigerant inlet side of the capacitor 20 is equal to or higher than a predetermined value.
- step S205 when the temperature of the engine cooling water is equal to or higher than the predetermined temperature and when the refrigerant pressure on the refrigerant inlet side of the capacitor 20 is equal to or higher than the predetermined value, YES is determined in step S205. Accordingly, the electric blower 40 is operated in step S210. For this reason, the electric blower 40 sucks an air flow introduced through the front grill opening 2, the condenser 20, and the radiator 30 from the front side in the vehicle front-rear direction of the automobile and blows it out to the traveling engine 3 side. As a result, the airflow introduced from the front side in the vehicle longitudinal direction of the automobile through the front grille opening 2 is guided by the shroud 50 and passes through the condenser 20, the radiator 30, and the electric blower 40. For this reason, the traveling engine 3 is cooled by the airflow that passes through the electric blower 40 from the introduction flow path 50a and flows to the traveling engine 3 side.
- step S220 the electronic control unit 90 determines whether or not the traveling engine 3 has transitioned from the operating state to the stopped state based on the output signal of the ignition switch 92. Specifically, it is determined whether or not the ignition switch 92 has changed from an on state to an off state.
- step S220 when the ignition switch 92 changes from the on state to the off state, YES is determined in step S220.
- step S230 the electric blower 40 is stopped after a certain period. That is, when the traveling engine 3 stops, the operation of the electric blower 40 is continued for a certain period thereafter, and then the electric blower 40 is stopped. Thereafter, the process returns to step S200.
- step S200 when the ignition switch 92 is turned off, it is determined that the traveling engine 3 is stopped, NO. Thereafter, the process returns to step S200.
- step S220 when the ignition switch 92 is kept on and the running engine 3 continues to operate, it is determined as NO. In this case, the operation of the electric blower 40 is continued and the process returns to step S200.
- the electric blower 40 starts to operate according to a combination of the operating state of the traveling engine 3 and other conditions. Thereafter, when the traveling engine 3 stops, the electric blower 40 continues to operate for a certain period of time thereafter, but then the electric blower 40 stops.
- the electronic control unit 90 determines NO in step S205, so that the electric blower 40 stops are maintained.
- the electronic control unit 90 turns the electric blower 40 on. Stop.
- the vehicle traveling wind as an air flow passes through the front grill opening 2, the condenser 20, the radiator 30, and the electric blower 40 from the front side in the vehicle front-rear direction as the vehicle travels.
- a part of the air flow flowing in this way flows into the air flow path 60 a of the duct 60 through the air inlet 61.
- the airflow that has flowed into the air flow path 60a is blown out from the air outlet 62 to the exhaust manifold 5 side. Therefore, the exhaust manifold 5, the catalyst device, and the turbocharger turbine can be cooled by the airflow by the airflow blown from the air outlet 62 of the duct 60.
- the vehicle traveling wind passing through the electric blower 40 the remaining vehicle traveling wind other than the air flow flowing through the air inlet 61 of the duct 60 flows to the front side of the traveling engine 3 in the vehicle traveling direction. For this reason, the vehicle traveling wind can cool the front side of the traveling engine 3 in the vehicle traveling direction.
- the electric blower 40 sucks the vehicle traveling wind introduced through the front grill opening 2, the condenser 20, and the radiator 30 from the front side in the vehicle longitudinal direction of the automobile and blows it out to the traveling engine 3 side.
- a part of the blown vehicle traveling wind flows into the air flow path 60 a of the duct 60 through the air inlet 61.
- the vehicle traveling wind that has flowed into the air flow path 60 a is blown out from the air outlet 62 to the exhaust manifold 5 side.
- the remaining vehicle traveling wind other than the air flow that flows to the air inlet 61 of the duct 60 flows to the front side of the traveling engine 3 in the vehicle traveling direction.
- the electronic control unit 90 operates the electric blower 40 for a certain period.
- the electric blower 40 sucks the air flow introduced through the front grille opening 2, the condenser 20, and the radiator 30 from the front side in the vehicle longitudinal direction of the automobile and blows it out to the traveling engine 3 side.
- a part of this blown air flow flows into the air flow path 60 a of the duct 60 through the air inlet 61.
- the airflow that has flowed into the air flow path 60a is blown out from the air outlet 62 to the exhaust manifold 5 side.
- the remaining air flow other than the air flow flowing to the air inlet 61 of the duct 60 flows to the front side in the vehicle traveling direction of the traveling engine 3. Thereafter, the electronic control unit 90 stops the electric blower 40.
- the exhaust manifold 5, the catalyst device, and the turbocharger turbine can be cooled by the air flow.
- an air flow that passes through the front grille opening 2, the condenser 20, the radiator 30, and the electric blower 40 from the front side in the vehicle traveling direction of the automobile is generated.
- the radiator 30 can be cooled by the air flow. In this way, it is possible to cool a predetermined portion such as the exhaust manifold 5 while securing the amount of air passing through the radiator 30.
- the cooling module 10 includes the duct 60 disposed on the downstream side in the air flow direction with respect to the electric blower 40.
- the duct 60 is disposed between the electric blower 40 and the cylinder head 3 a of the traveling engine 3 and opens to the electric blower 40 side, and the air outlet 62 opens to the exhaust manifold 5 side of the front engine room 1. And form.
- the duct 60 forms an air flow path 60a that allows the air flow introduced from the air inlet 61 to flow to the air outlet 62 side.
- the air flow that has passed through the electric blower 40 from the introduction flow channel 50 a is guided into the air flow channel 60 a of the duct 60 through the air inlet 61, and this guided air flow is transmitted from the air outlet 62 to the front engine room 1.
- the exhaust manifold 5 can be blown out. Therefore, the exhaust manifold 5, the catalyst device, the turbocharger turbine, and the like can be cooled.
- the exhaust manifold 5, the catalyst device, and the turbocharger turbine of the present embodiment correspond to predetermined portions of the present disclosure.
- the electric blower 40 sucks and blows out the vehicle traveling wind flowing through the introduction flow path 50a when the vehicle travels. For this reason, it is possible to increase the amount of air flowing from the introduction flow path 50a to the exhaust manifold 5 through the electric blower 40 and the duct 60. For this reason, the cooling performance of the exhaust manifold 5 or the like can be improved.
- the electronic control unit 90 makes a YES determination in step S205.
- the electric blower 40 is operated. For this reason, the exhaust manifold 5 can be cooled by blowing the air flow that has passed through the electric blower 40 toward the exhaust manifold 5 through the duct 60.
- the electronic control unit 90 when the traveling engine 3 is stopped, the electronic control unit 90 operates the electric blower 40 for a certain period. For this reason, the electronic control unit 90 operates the electric blower 40 at the time of so-called dead soak in which the traveling engine 3 is stopped after the traveling engine 3 is overloaded. Also in this case, the air flow from the electric blower 40 can be blown out to the exhaust manifold 5 side through the duct 60 to cool the exhaust manifold 5 and the like.
- the exhaust manifold 5 and the like can be cooled by the air flow blown from the duct 60, the amount of heat radiated from the exhaust manifold 5 and the like to the peripheral components can be reduced. For this reason, the temperature of components around the exhaust manifold 5 and the like can be lowered. Therefore, it is possible to reduce the number of heat shield plates used to block radiant heat and to reduce the heat resistance of components.
- FIG. 7 is a top view showing the duct 60 and the electric blower 40 in the cooling module 10 of the second embodiment
- FIG. 8 is a side view showing the duct 60 and the electric blower 40 in the second embodiment.
- the air inlet 61 of the duct 60 is disposed away from the electric blower 40 on the downstream side in the air flow direction with respect to the electric blower 40.
- the air inlet forming portion 61 a that forms the air inlet 61 in the duct 60 is not connected to the fan case 40 b of the electric blower 40.
- the air inlet forming portion 61 a of the duct 60 is disposed away from the fan case 40 b on the downstream side in the air flow direction with respect to the electric blower 40. Also in this embodiment, the same effect as that of the first embodiment can be obtained.
- FIG. 9 is a side view of the cooling module 10 of the present embodiment.
- the cooling module 10 according to the present embodiment is the same as the cooling module 10 according to the first embodiment, except that the duct 60 is provided with outlets 60c and 60d. For this reason, the outlets 60c and 60d of the duct 60 will be described below, and descriptions of other configurations will be omitted.
- the same reference numerals as those in FIG. 3 denote the same components.
- the air outlets 60c and 60d are opened from the inside of the air flow path 60a to the outside of the duct 60 between the air inlet 61 and the air outlet 62 of the duct 60.
- the blower outlets 60c and 60d are located on the heaven region improvement side with respect to each component to be cooled (not shown). Examples of each component to be cooled include an alternator, a waste gate valve, and other components.
- the air outlet 60d is disposed on the air outlet 62 side with respect to the air outlet 60c.
- the present embodiment configured as described above, when the vehicle is traveling, as the vehicle traveling wind that has passed through the front grill opening 2, the capacitor 20, the radiator 30, and the electric blower 40 from the front side in the vehicle front-rear direction of the vehicle. A part of the air flow is introduced into the air flow path 60a of the duct 60 through the air inlet 61 and blown out from the air outlet 62 to the exhaust manifold 5 side.
- the air outlets 60 c and 60 d that are opened from the air flow path 60 a to the outside of the duct 60 are provided. Therefore, by blowing an air flow from the outlets 60c and 60d to each component to be cooled, various types of components to be cooled other than the exhaust manifold 5 can be spot-cooled.
- the fourth embodiment is modified so that the duct 60 includes one air inlet 61 and two air outlets 62 with respect to the first embodiment.
- FIG. 10 is a side view showing the duct 60 of the cooling module 10 in the fourth embodiment.
- the duct 60 of this embodiment includes branch ducts 64d and 64c.
- the branch ducts 64d and 64c each form an air outlet 62.
- the upstream sides of the branch ducts 64 d and 64 c in the air flow direction are connected to form one air inlet 61. That is, the duct 60 is formed such that the branch ducts 64d and 64c branch from the air inlet 61 side of the duct 60, respectively.
- the branch ducts 64c and 64d divert the air flow sucked from one air inlet 61 as indicated by the arrow Kb and guide it to the respective air outlets 62. For this reason, an air flow can be blown off to each of a plurality of parts to be cooled.
- FIG. 11 is a side view showing the duct 60 of the cooling module 10 in the fifth embodiment.
- the air outlet 62 of the duct 60 of the present embodiment opens toward the vehicle width direction of the traveling engine 3 in the front engine room 1. Specifically, the air outlet 62 of the duct 60 opens toward the battery 70, for example.
- the battery 70 of the present embodiment corresponds to a predetermined part of the present disclosure.
- the battery 70 is arranged in the vehicle width direction of the traveling engine 3 in the front engine room 1. For this reason, the duct 60 blows an air flow from the air outlet 62 to the battery 70. Therefore, even when it is not possible to secure an air passage through which the air flow blown from the electric blower 40 is sufficiently circulated to the battery 70, the battery 70 is cooled by the air flow blown directly from the duct 60 to the battery 70. be able to.
- FIG. 12 is a flowchart showing fan control processing by the electronic control unit 90.
- the electronic control unit 90 executes the computer program according to the flowchart of FIG. In the steps denoted by the same reference numerals in FIGS. 12 and 6, the same processing is performed. 12 includes step S230A in place of step S230 with respect to FIG.
- the electronic control unit 90 of this embodiment determines YES in step S220 when the ignition switch 92 changes from the on state to the off state. At this time, in step S230A, the electric blower 40 is stopped immediately, that is, within a period much shorter than the above-described fixed period.
- the electric blower 40 can be stopped when the ignition switch 92 changes from the on state to the off state.
- the exhaust manifold 5 and the like can be sufficiently cooled by the vehicle travel wind passing through the duct 60. For this reason, even if the electric blower 40 is stopped after the traveling engine 3 is stopped, a problem (that is, heat damage) due to heat does not occur in the exhaust manifold 5 and its peripheral components. Therefore, the so-called “after cooling” in which the operation of the electric blower 40 is continued after the traveling engine 3 is stopped becomes unnecessary.
- radiator 30 that cools the engine coolant as the heat medium is used as the on-vehicle heat exchanger.
- an oil cooler for cooling engine oil as a heat medium may be used instead of this.
- the example in which the front grille opening 2 is provided on the front side in the vehicle traveling direction with respect to the radiator 30 has been described.
- the following may be used. That is, if the front grille opening 2 is an opening communicating from the front engine room 1 to the front grille in the vehicle traveling direction, the front grille opening 2 is offset in the vehicle width direction with respect to the radiator 30. You may arrange.
- the front opening of the present disclosure is the front grill opening 2 formed in the front grill
- the front opening may be formed in a part of the automobile other than the front grille. That is, the front opening may be disposed at a portion other than the front side in the vehicle traveling direction with respect to the front engine room 1.
- the front opening may be formed in a trunk lit that closes the front engine room 1 from the Tenchi region improvement side.
- the air outlets 60c and 60d are arranged on the heaven region improvement side with respect to each component to be cooled.
- the air outlets 60c and 60d may be arranged in the vehicle width direction with respect to each component to be cooled.
- the present invention is not limited to this, and the number of air outlets that open from the inside of the air flow path to the outside of the duct 60 may be one or two. Further, the number of the outlets may be three or more.
- the air inlet 61 of the duct 60 may be arranged on the downstream side of the air flow with respect to the electric blower 40 and on the heaven region improvement side with respect to the traveling engine 3.
- downstream side of the air flow with respect to the electric blower 40 means the downstream side in the mainstream flow direction with the largest air volume among the air flows blown out from the electric blower 40.
- the air inlet 61 of the duct 60 may be disposed between the electric blower 40 and the traveling engine 3 and on the lower side in the vertical direction with respect to the cylinder head 3a of the traveling engine 3.
- the predetermined part of the present disclosure is the exhaust manifold 5, the catalyst device, and the turbocharger turbine.
- the predetermined part of the present disclosure is the battery 70.
- the present invention is not limited to this, and may be as follows.
- a part other than the exhaust manifold 5, the catalyst device, the turbocharger turbine, and the battery 70 may be a predetermined part of the present disclosure (that is, an object to be cooled).
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Abstract
Description
図1に本開示の冷却装置が適用される自動車用の冷却モジュール10の第1実施形態を示す。 (First embodiment)
FIG. 1 shows a first embodiment of an
上記第1実施形態では、ダクト60のうち空気入口61を形成する空気入口形成部61aを、電動送風機40のファンケース40bに接続した例について説明した。第2実施形態では、これに代えて、図7、図8に示すように、ダクト60の空気入口形成部61aがファンケース40bから離すように配置される。 (Second Embodiment)
In the first embodiment, the example in which the air
本第3実施形態では、上記第1実施形態の冷却モジュール10のダクト60に吹出口60c、60dを設けて、エキゾーストマニホールド5以外の被冷却部品を冷却する例について説明する。 (Third embodiment)
In the third embodiment, an example will be described in which
本第4実施形態は、上記第1実施形態に対して、ダクト60が1つの空気入口61と2つの空気出口62とを備えるように変更されている。 (Fourth embodiment)
The fourth embodiment is modified so that the
上記第1~第4実施形態では、ダクト60の空気出口62を走行用エンジン3に対して車両進行方向後側に向けて開口した例について説明した。第5実施形態では、これに代えて、フロントエンジンルーム1のうち走行用エンジン3に対して車両幅方向(すなわち車両左右方向)にダクト60の空気出口62が開口する。 (Fifth embodiment)
In the first to fourth embodiments, the example in which the
上記第1実施形態では、イグニッションスイッチ92がオン状態からオフ状態に変化したとき、一定期間の間に亘って電動送風機40の動作が継続してから電動送風機40が停止した例について説明した。これに代えて、本第6実施形態では、イグニッションスイッチ92がオン状態からオフ状態に変化したとき、電動送風機40が停止する例について説明する。 (Sixth embodiment)
In the said 1st Embodiment, when the
(1)上記第1~第6実施形態では、走行用エンジン3が稼働しているとき電動送風機40を作動させる例について説明した。これに加えて、自動車の速度が所定速度以上である高速走行時に電動送風機40を停止させるようにしてもよい。 (Other embodiments)
(1) In the first to sixth embodiments, the example in which the
Claims (7)
- フロントエンジンルーム(1)のうち走行用エンジン(3)に対して車両進行方向前側に配置される送風機(40)と、前記フロントエンジンルームのフロント開口部(2)の車両進行方向前側から前記フロント開口部を通して流入される空気流を前記送風機に導く導入流路(50a)を形成するシュラウド(10)とを備える自動車に適用される冷却装置であって、
前記送風機に対して前記空気流の流れ方向の下流側に配置されて前記送風機に開口する空気入口(61)と、前記フロントエンジンルームのうち所定部位に開口する空気出口(62)と、前記空気入口を通して前記送風機から導入される空気流を前記空気出口に流通させる空気流路(60a)とを形成するダクト(60)を備え、前記空気出口から吹き出される前記空気流により前記所定部位を冷却する冷却装置。 A blower (40) disposed on the front side in the vehicle traveling direction with respect to the traveling engine (3) in the front engine room (1), and the front from the front side in the vehicle traveling direction of the front opening (2) of the front engine room. A cooling device applied to an automobile comprising a shroud (10) forming an introduction flow path (50a) for guiding an air flow flowing through an opening to the blower,
An air inlet (61) that is disposed downstream of the blower in the flow direction of the air flow and opens to the blower, an air outlet (62) that opens to a predetermined portion of the front engine room, and the air A duct (60) that forms an air flow path (60a) for flowing an air flow introduced from the blower through the inlet to the air outlet, and cooling the predetermined portion by the air flow blown from the air outlet; Cooling system. - 前記空気入口は、前記送風機と前記走行用エンジンの間に位置する請求項1に記載の冷却装置。 The cooling device according to claim 1, wherein the air inlet is located between the blower and the traveling engine.
- 前記ダクトのうち前記空気入口と前記空気出口の間には、前記空気流路内から空気流を吹き出す吹出口(60c、60d)が形成されている請求項1または2に記載の冷却装置。 The cooling device according to claim 1 or 2, wherein an air outlet (60c, 60d) for blowing an air flow from the air flow path is formed between the air inlet and the air outlet of the duct.
- 前記ダクトは、前記空気出口をそれぞれ形成する複数の分岐ダクト(64c、64d)を備え、
前記複数の分岐ダクトのそれぞれの前記空気流の流れ方向の上流側は、接続されて前記空気入口を形成している請求項1ないし3のいずれか1つに記載の冷却装置。 The duct includes a plurality of branch ducts (64c, 64d) that respectively form the air outlets;
The cooling device according to any one of claims 1 to 3, wherein an upstream side of each of the plurality of branch ducts in an air flow direction is connected to form the air inlet. - 前記ダクトのうち前記空気入口を形成する空気入口形成部(61a)は、前記送風機に接続されている請求項1ないし4のいずれか1つに記載の冷却装置。 The cooling device according to any one of claims 1 to 4, wherein an air inlet forming portion (61a) that forms the air inlet of the duct is connected to the blower.
- 前記空気入口は、前記送風機から離れている請求項1ないし4のいずれか1つに記載の冷却装置。 The cooling device according to any one of claims 1 to 4, wherein the air inlet is separated from the blower.
- 前記所定部位はエキゾーストマニホールド(5)である請求項1ないし6のいずれか1つに記載の冷却装置。 The cooling device according to any one of claims 1 to 6, wherein the predetermined portion is an exhaust manifold (5).
Priority Applications (3)
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CN201680047193.3A CN107921861A (en) | 2015-08-20 | 2016-08-11 | Cooling device |
DE112016003786.4T DE112016003786T5 (en) | 2015-08-20 | 2016-08-11 | cooler |
JP2017535512A JPWO2017030079A1 (en) | 2015-08-20 | 2016-08-11 | Cooling system |
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Cited By (3)
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WO2017170432A1 (en) * | 2016-04-01 | 2017-10-05 | 株式会社デンソー | Cooling module |
JP2019043498A (en) * | 2017-09-07 | 2019-03-22 | トヨタ自動車株式会社 | Engine cover |
EP3578402A4 (en) * | 2017-03-24 | 2020-01-15 | Mazda Motor Corporation | Upper structure for engine |
Families Citing this family (1)
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CN114475225B (en) * | 2022-01-15 | 2023-10-27 | 重庆长安汽车股份有限公司 | Engine decorative cover and vehicle |
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CN107921861A (en) | 2018-04-17 |
DE112016003786T5 (en) | 2018-05-09 |
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